Disclosure of Invention
The invention aims to provide a rotary slide block core pulling mechanism of a refrigerator drawer hand mold, which aims to solve the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: the rotary slide block core pulling mechanism of the refrigerator drawer hand mold comprises a lower mold frame, wherein a first component frame is fixedly connected to the lower mold frame; the die further comprises a sliding block mechanism, a first forming assembly and a second forming assembly, which are all arranged on the lower die frame; when the injection molding drawer is in demolding, the sliding block mechanism moves to be separated from the injection molding drawer, and after the unlocking mechanism triggers the first component to move downwards, the unlocking mechanism continues to move and drives the second component to move to be separated from the injection molding drawer so as to realize demolding; the sliding block mechanism comprises a movable frame and a strip block which are connected onto the lower die frame in a sliding manner, an arc block is connected into the movable frame in a rotating manner through a rotating rod, a protruding assembly is arranged in the arc block, the arc block is connected with the strip block in a rotating manner through a rotating plate, a connecting spring is fixedly connected between the movable frame and the lower die frame, and two sides of the arc block are further provided with abutting assemblies.
As a further description of the above technical solution:
The first forming assembly comprises a second forming frame which is connected in a lower die frame in a sliding manner, and a vertical plate and two connecting plates are fixedly connected in the second forming frame; two fixed blocks are fixedly connected in the lower die frame, a first elastic telescopic rod is fixedly connected between each fixed block and the corresponding connecting plate, a driving groove is formed in each vertical plate, and first clamping units for fixing the corresponding connecting plates are arranged on each fixed block.
As a further description of the above technical solution:
The first clamping unit comprises a clamping rod and a side rod which are connected in a fixed block in a sliding manner, and a linkage bar is rotationally connected between the clamping rod and the side rod; one end fixedly connected with first wedge of side lever, fixedly connected with first spring between first wedge and the fixed block, the elasticity of first spring orders about clamping lever and connecting plate joint cooperation.
As a further description of the above technical solution:
The second forming assembly comprises a third forming frame which is connected in the lower die frame in a sliding manner, and two limiting rods are fixedly connected to the third forming frame; two supporting blocks are fixedly connected in the first component frame, two limiting rods penetrate through the corresponding supporting blocks in a sliding mode and are fixedly connected with the same baffle plate, reset springs are fixedly connected between the baffle plate and the two supporting blocks, and limiting units are arranged on the two supporting blocks.
As a further description of the above technical solution:
The limiting unit comprises a transverse plate fixedly connected to the supporting block, and an inclined surface stop block is connected to the transverse plate in a sliding manner; the limiting rod is fixedly connected with helical teeth, the bottom end of the inclined surface stop block is fixedly connected with a bottom plate, a second spring is fixedly connected between the bottom plate and the transverse plate, the elastic force of the second spring drives the inclined surface stop block to be matched with the helical teeth in a clamping mode, and a second wedge-shaped block is fixedly connected to the bottom plate.
As a further description of the above technical solution:
The unlocking mechanism comprises an unlocking plate which is connected in the lower die frame in a sliding way, and an inclined surface block and two wedge-shaped unlocking blocks are fixedly connected to the unlocking plate; the wedge unlocking blocks are fixedly connected with pushing plates, and the unlocking plates are connected with the strip blocks through transmission assemblies.
As a further description of the above technical solution:
the transmission assembly comprises an auxiliary plate fixedly connected to the long bar, and a cross frame is arranged between the auxiliary plate and the unlocking plate.
As a further description of the above technical solution:
The protrusion assembly comprises a special-shaped block which is connected in the arc-shaped block in a sliding way, and a first metal block is fixedly connected to the special-shaped block; the first electromagnet is fixedly connected in the arc-shaped block, the second elastic telescopic rod is arranged between the arc-shaped block and the special-shaped block, and the locating unit for fixing the special-shaped block is further arranged in the arc-shaped block.
As a further description of the above technical solution:
The positioning unit comprises a second electromagnet fixedly connected in the arc-shaped block; the arc-shaped block is internally and slidably connected with a second metal block, a positioning rod is fixedly connected to the second metal block, an abutting spring is fixedly connected between the second metal block and the arc-shaped block, and the elastic force of the abutting spring drives the positioning rod to be matched with the abnormal-shaped block in a clamping mode.
As a further description of the above technical solution:
The abutting component comprises a single-side inclined block which is connected to the arc-shaped block in a sliding manner; and a third spring is fixedly connected between the unilateral inclined block and the arc-shaped block, and a single-sided chute is formed in the movable frame.
In the technical scheme, the rotary slide block core pulling mechanism of the refrigerator drawer hand mold has the beneficial effects that:
According to the invention, through the mutual matching among the lower die frame, the first component frame, the sliding block mechanism, the first component assembly, the second component assembly and the unlocking mechanism, the first component frame, the first component assembly and the second component assembly are combined, so that the protruding drawer at the hand-holding position can be subjected to integral molding injection, the molding mode of the protruding position on the traditional refrigerator drawer is improved, the manufacturing steps of the traditional refrigerator drawer are reduced, when the sliding block mechanism moves and pulls out a core, the unlocking mechanism drives the first component assembly to move downwards, then pushes the second component assembly to translate and separate from the protruding position of the drawer, the protruding drawer can be conveniently demoulded, the operation is simple and convenient, and the holding feeling of the demoulded drawer is good when the drawer is used.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the technology disclosed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present invention;
Fig. 2 is a schematic connection diagram of a slider mechanism, a first component, a second component, and an unlocking mechanism according to an embodiment of the present invention;
FIG. 3 is an exploded view of a slider mechanism, a first component, a second component, and an unlocking mechanism according to an embodiment of the present invention;
FIG. 4 is an exploded view of a first component and a second component according to an embodiment of the present invention;
FIG. 5 is a schematic longitudinal section of a slider mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of an arc block structure according to an embodiment of the present invention;
FIG. 7 is a schematic view of a partial longitudinal section of a structure according to an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a partial structure provided by an embodiment of the present invention;
Fig. 9 is a schematic view of a wedge-shaped unlocking block according to an embodiment of the present invention;
FIG. 10 is an enlarged view of FIG. 3 at A;
FIG. 11 is an enlarged view at B in FIG. 5;
FIG. 12 is an enlarged view at C in FIG. 7;
fig. 13 is an enlarged view of D in fig. 8;
fig. 14 is a schematic view of an injection molding refrigerator drawer according to an embodiment of the present invention.
Reference numerals illustrate:
1. A lower die frame; 11. a first component frame; 21. a moving frame; 22. a sliver block; 23. a rotating lever; 24. an arc-shaped block; 25. a rotating plate; 26. a connecting spring; 31. a second component frame; 32. a riser; 33. a connecting plate; 34. a fixed block; 35. a first elastic telescopic rod; 36. a driving groove; 41. a clamping rod; 42. a side bar; 43. a linkage bar; 44. a first wedge block; 45. a first spring; 51. a third component frame; 52. a limit rod; 53. a support block; 54. a baffle; 55. a return spring; 61. a cross plate; 62. a bevel stop; 63. helical teeth; 64. a bottom plate; 65. a second spring; 66. a second wedge block; 71. unlocking plate; 72. a bevel block; 73. wedge unlocking block; 74. a pushing plate; 81. an auxiliary plate; 82. a cross frame; 91. a profiled block; 92. a first metal block; 93. a first electromagnet; 94. a second elastic telescopic rod; 101. a second electromagnet; 102. a second metal block; 103. a positioning rod; 104. abutting against the spring; 111. a single-sided bevel block; 112. a third spring; 113. a single-sided chute.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Referring to fig. 1-14, the rotary slide block core pulling mechanism of a refrigerator drawer hand mold provided in this embodiment includes a lower mold frame 1, where the lower mold frame 1 is an existing apparatus, and not described in detail herein, a first component frame 11 is fixedly connected to the lower mold frame 1, one side of the first component frame 11 may be configured to be an inclined plane or a planar plane, and a specific configuration thereof may be configured according to a shape of an injection molded refrigerator drawer as required; the refrigerator drawer comprises a lower die frame 1, a first forming assembly, a second forming assembly, a sliding block mechanism, a first forming frame 11, a first forming assembly and a second forming assembly, wherein the first forming assembly and the second forming assembly are arranged on the lower die frame 1; when the refrigerator is demoulded, the sliding block mechanism moves to be separated from the injection molding drawer, the unlocking mechanism is used for triggering the first component to move downwards, then the unlocking mechanism continues to move and drives the second component to move to be separated from the injection molding drawer, so that the demould is realized, after the first component moves downwards, a space can be provided for the transverse movement of the second component, the second component is arranged at the bulge of the refrigerator drawer, the bulge of the second component can be separated through the transverse movement of the second component, the direct demould of the formed refrigerator drawer is convenient, and the setting of the scheme can effectively improve the forming mode of the bulge of the refrigerator drawer, and is simple and convenient to operate; the sliding block mechanism comprises a movable frame 21 and a strip block 22 which are slidably connected to the lower die frame 1, the lower die frame 1 is provided with a movable frame 21 and a strip frame movement groove, an arc block 24 is rotatably connected to the movable frame 21 through a rotating rod 23, a protruding component is arranged in the arc block 24, the arc block 24 is rotatably connected with the strip block 22 through a rotating plate 25, a connecting spring 26 is fixedly connected between the movable frame 21 and the lower die frame 1, and abutting components are further arranged at two sides of the arc block 24.
In a further provided embodiment of the present invention, the first component comprises a second component frame 31 slidably connected in the lower mold frame 1, wherein a riser 32 and two connection plates 33 are fixedly connected in the second component frame 31, the second component frame 31 is arranged in an inverted U shape, the riser 32 is arranged at a central position inside the second component frame 31, and the two connection plates 33 are respectively arranged at two sides of the riser 32; two fixed blocks 34 are fixedly connected in the lower die frame 1, a first elastic telescopic rod 35 is fixedly connected between the two fixed blocks 34 and the corresponding connecting plates 33, the connecting plates 33 can be controlled to drive the second forming frame 31 to move vertically through the arrangement of the first elastic telescopic rods 35, driving grooves 36 are formed in the vertical plates 32, the driving grooves 36 are arranged into inclined through grooves, the specific shape of the driving grooves can be seen in the specification of figure 3, first clamping units for fixing the corresponding connecting plates 33 are arranged on the two fixed blocks 34, the stability of the second forming frame 31 can be improved through the arrangement of the first clamping units, the second forming frame 31 and the first forming frame 11 are fixedly kept on the same surface, and the second forming frame 31 slides on one side of the first forming frame 11.
Further, the first clamping unit comprises a clamping rod 41 and a side rod 42 which are slidably connected in the fixed block 34, a linkage bar 43 is rotatably connected between the clamping rod 41 and the side rod 42, grooves for the clamping rod 41 and the side rod 42 to move are formed in the fixed block 34, the clamping rod 41 and the side rod 42 are vertically distributed relatively, and when the side rod 42 is forced to move to the side of the fixed block 34, the clamping rod 41 can be driven to synchronously shrink into the fixed block 34 through the linkage bar 43; one end of the side rod 42 is fixedly connected with a first wedge block 44, a first spring 45 is fixedly connected between the first wedge block 44 and the fixed block 34, the elasticity of the first spring 45 drives the clamping rod 41 to be matched with the connecting plate 33 in a clamping way, a hole matched with the clamping rod 41 can be formed in the connecting plate 33, the connectivity between the clamping rod 41 and the connecting plate 33 is conveniently increased, and the stability of the second combined frame 31 is further improved.
In a further provided embodiment of the present invention, the second component includes a third component frame 51 slidingly connected in the lower mold frame 1, the length of the third component frame 51 is greater than the length of the second component frame 31, and the portion of the third component frame 51 located inside the lower mold frame 1 is wider, and the wider portion thereof is provided with a groove, the groove is adapted to the second component frame 31, the second component frame 31 is disposed between the first component frame 11 and the second component frame 31, when the second component frame 31 is completely retracted into the lower mold frame 1, the third component frame 51 moves toward the second component frame 31 side and wraps the second component frame 31, and the third component frame 51 contacts with the protruding side of the refrigerator drawer, through the lateral movement of the third component frame 51, can be separated from the protruding portion of the refrigerator drawer, so as to avoid the blocking of the refrigerator drawer caused by the third component frame 51 when the refrigerator drawer moves upwards and is demolded, and the demolding effect is affected, and two limiting rods 52 are fixedly connected to the third component frame 51; two supporting blocks 53 are fixedly connected in the first component frame 11, two limiting rods 52 are respectively and slidably penetrated through the corresponding supporting blocks 53 and are fixedly connected with the same baffle plate 54, a reset spring 55 is respectively and fixedly connected between the baffle plate 54 and the two supporting blocks 53, holes for the limiting rods 52 to move are formed in the supporting blocks 53, the baffle plate 54 is driven to be close to the supporting blocks 53 by the aid of elasticity of the reset spring 55, and limiting units are respectively arranged on the two supporting blocks 53.
Further, the limiting unit comprises a transverse plate 61 fixedly connected to the supporting block 53, and an inclined stop block 62 is slidably connected to the transverse plate 61; the stop lever 52 is fixedly connected with the helical teeth 63, the bottom end of the inclined surface stop block 62 is fixedly connected with the bottom plate 64, a second spring 65 is fixedly connected between the bottom plate 64 and the transverse plate 61, the elastic force of the second spring 65 drives the inclined surface stop block 62 to be matched with the helical teeth 63 in a clamping manner, one side, far away from the baffle 54, of the inclined surface stop block 62 and the helical teeth 63 is set to be inclined, the other side of the inclined surface stop block is set to be planar, the movement of the stop lever 52 can be limited by arranging the inclined surface stop block 62 to be clamped with the helical teeth 63, and the bottom plate 64 is fixedly connected with a second wedge-shaped block 66.
In the embodiment provided by the invention, the unlocking mechanism comprises an unlocking plate 71 which is slidably connected in the lower die frame 1, and an inclined surface block 72 and two wedge-shaped unlocking blocks 73 are fixedly connected on the unlocking plate 71; the two wedge-shaped unlocking blocks 73 are fixedly connected with a pushing plate 74, the unlocking plate 71 is connected with the strip block 22 through a transmission assembly, the inclined surface block 72 enters the driving groove 36 in the vertical plate 32 in the moving stroke along with the unlocking plate 71, after the unlocking plate 71 enters the driving groove 36, the vertical plate 32 is driven to drive the second component frame 31 to move downwards, one side, away from each other, of the two wedge-shaped unlocking blocks 73 and the bottom are arranged in an inclined surface shape, the specific arrangement shape of the two wedge-shaped unlocking blocks 73 can be seen in fig. 9, when the unlocking plate 71 moves, the wedge-shaped unlocking blocks 73 are firstly driven to move to be in contact with the first wedge-shaped blocks 44 and push the first wedge-shaped blocks 44 to move, and the clamping rod 41 is driven to be separated from the connecting plate 33 under the action of the side rod 42 and the linkage bar 43, at the moment, the inclined surface block 72 enters the driving groove 36 in the vertical plate 32 and drives the vertical plate 32 to drive the unlocked second component frame 31 to move downwards; then the wedge unlocking block 73 continues to move to be in contact with the second wedge block 66, the second wedge block 66 is extruded by the wedge unlocking block 73 and drives the inclined surface stop block 62 to move downwards to be separated from the inclined teeth 63 through the bottom plate 64, at the moment, the pushing plate 74 arranged on the wedge unlocking block 73 pushes the unlocked baffle plate 54 to move, and the third component frame 51 can be driven to synchronously move to be separated from the formed refrigerator drawer through the limiting rod 52, and the pushing plate 74 is arranged in an L shape.
In a further provided solution of the present invention, the transmission assembly includes an auxiliary plate 81 fixedly connected to the elongated block 22, a cross frame 82 is disposed between the auxiliary plate 81 and the unlocking plate 71, and by disposing the cross frame 82 between the auxiliary plate 81 and the unlocking plate 71, when the auxiliary plate 81 on one side moves along with the elongated block 22, the unlocking plate 71 on the other side can be driven to move synchronously and oppositely, the cross frame 82 rotates in the lower mold frame 1, and the connection manner between the cross frame 82 and the auxiliary plate 81 and the unlocking plate 71 is the prior art, which is not repeated herein.
In the scheme provided by the invention, the bulge assembly comprises the special-shaped block 91 which is slidably connected in the arc-shaped block 24, the special-shaped block 91 is fixedly connected with the first metal block 92, the arc-shaped block 24 is provided with a groove for the special-shaped block 91 to move, and the radian of the holding position of the refrigerator drawer can be increased by arranging the special-shaped block 91, so that the comfort level of the refrigerator drawer during drawing is improved; the first electromagnet 93 is fixedly connected in the arc-shaped block 24, the second elastic telescopic rod 94 is arranged between the arc-shaped block 24 and the special-shaped block 91, the positioning unit for fixing the special-shaped block 91 is further arranged in the arc-shaped block 24, the first electromagnet 93 is connected with an external power supply, after the first electromagnet 93 is electrified, magnetism is generated to overcome the elasticity of the second elastic telescopic rod 94 and the adhesive force of an injection molding piece and the special-shaped block 91, the first metal block 92 is attracted, so that the special-shaped block 91 can be driven to enter the arc-shaped block 24, after the first electromagnet 93 is powered off, the magnetism disappears, the attraction force to the first metal block 92 disappears, at the moment, the second elastic telescopic rod 94 is restored, the special-shaped block 91 can be driven to pop out, and the popped special-shaped block 91 can be fixed through the positioning unit, and the stability of the special-shaped block 91 during injection molding is improved.
In a further aspect of the present invention, the positioning unit includes a second electromagnet 101 fixedly connected to the arc block 24; the arc-shaped block 24 is slidably connected with a second metal block 102, a positioning rod 103 is fixedly connected to the second metal block 102, an abutting spring 104 is fixedly connected between the second metal block 102 and the arc-shaped block 24, the positioning rod 103 is driven to be in clamping fit with the special-shaped block 91 by the elastic force of the abutting spring 104, the second electromagnet 101 is connected with the first electromagnet 93, the second electromagnet 101 and the first electromagnet 93 are electrified synchronously, the second electromagnet 101 is electrified to generate magnetism to overcome the elastic force of the abutting spring 104, the second metal block 102 is attracted, so that the second metal block 102 drives the positioning rod 103 to move to be separated from the arc-shaped block 24, when the first metal block 92 and the second metal block 102 are electrified, the second metal block 102 can generate magnetism earlier than the first metal block 92, and when the power is off, the second metal block 102 can lose magnetism later than the first metal block 92, wherein elastic substances on the second elastic telescopic rod 94 are all made of 304 stainless steel or 316 stainless steel materials by abutting spring 104, and two stainless steels have high austenite contents , and the second electromagnet is not influenced by the first electromagnet 101 and the normal temperature.
In the scheme provided by the invention, the abutting component comprises a single-side inclined block 111 which is connected to the arc-shaped block 24 in a sliding way, one side of the single-side inclined block 111, which is close to the third combined frame 51, is provided with an inclined plane, and a groove for the single-side inclined block 111 to move is formed in the arc-shaped block 24; a third spring 112 is fixedly connected between the single-side inclined block 111 and the arc-shaped block 24, a single-side inclined groove 113 is formed in the moving frame 21, an inclined surface is formed on one side, close to the third forming frame 51, of the single-side inclined groove 113, after the single-side inclined block 111 enters the single-side inclined groove 113, the inclined surface side of the single-side inclined groove 113 is contacted with the inclined surface side of the single-side inclined block 111, when the single-side inclined block 111 needs to be separated from the single-side inclined groove 113, a certain thrust is needed to be provided for separation, the thrust is larger than the elastic force of the connecting spring 26, and the arc-shaped block 24 can be driven to be separated from the single-side inclined groove 113 only when the arc-shaped block 24 continuously receives the thrust after the moving frame 21 is completely reset.
Working principle: when the refrigerator is in operation, after the lower die frame 1 and the existing upper die frame are spliced and combined, liquid is injected into injection holes in the lower die frame 1 and the existing upper die frame, the liquid flows in a gap between the lower die frame 1 and the upper die frame, and finally, after a complete refrigerator drawer is formed, demoulding operation is needed, the upper die frame is separated from the formed refrigerator drawer by pulling the upper die frame upwards, the first electromagnet 93 and the second electromagnet 101 are electrified, magnetism is generated after the second electromagnet 101 is electrified, the second metal block 102 is driven to drive the positioning rod 103 to move and separate from the arc block 24 by overcoming the elasticity of the abutting spring 104, at the moment, the first electromagnet 93 is electrified to generate magnetism, the elasticity of the first elastic telescopic rod 35 and the adsorption force of an injection part and the special-shaped block 91 are overcome, the first metal block 92 is driven to drive the special-shaped block 91 to separate from the injection part and enter the inside of the arc block 24, at the moment, the long block 22 is driven to move by starting an external driving source, the arc block 24 on the rotating plate 25 is pulled to rotate when the long block 22 moves, the core pulling block 24 on the rotating rod 23 is driven to move from the refrigerator drawer 24 to separate from the arc block 24, and the single-side of the refrigerator block 24 is driven to move to the arc block 24 by pulling the single-side of the arc block 21, and the single-sided refrigerator is continuously moved by the single-sided refrigerator is driven to move, and the arc block is continuously moved to realize the synchronous movement of the arc forming plate (113) by the refrigerator is realized;
The strip block 22 moves while driving the auxiliary plate 81 connected with the bottom of the strip block to move synchronously, the auxiliary plate 81 moves to drive the cross frame 82 to unfold and drive the unlocking plate 71 on the other side to move synchronously, the wedge unlocking block 73 connected with the unlocking plate 71 moves to be in contact with the first wedge block 44 on the side rod 42, the first wedge block 44 is pushed to drive the side rod 42 to move to the fixed block 34, the side rod 42 moves and drives the clamping connection rod 41 to enter the fixed block 34 through the linkage bar 43, the clamping connection rod 41 enters the fixed block 34 and then is separated from the connecting plate 33, the inclined surface block 72 connected with the unlocking plate 71 enters the driving groove 36 on the vertical plate 32 at the moment, the vertical plate 32 is extruded to drive the second component frame 31 to move downwards, the first elastic telescopic rod 35 connected between the fixed block 34 and the connecting plate 33 is driven to deform when the second component frame 31 moves until the second component frame 31 is completely retracted into the lower die frame 1, the wedge unlocking block 73 moves forwards, the side rod 42 is contacted with the second wedge block 66 and is extruded, the second wedge block 66 is pushed to be extruded, the inclined surface block 66 is pushed to be separated from the inclined surface block 54 after the inclined surface block 64 is pushed to move to the inclined surface 54, and the inclined surface block 54 is pushed to move synchronously, and the inclined surface block 54 is separated from the inclined surface 54 is pushed to move, and the inclined surface 54 is separated from the side plate 54 can be separated, and the inclined surface 54 is separated from the side plate 54 is separated.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.