CN102633185A - Elastic rod-type automatic sling - Google Patents

Abstract

The invention relates to an elastic rod-type automatic sling, comprising a casing, a piston rod, an upper pressure cover, an inner pressure cover, a pushing block and an elastic rod, wherein the piston rod is arranged in an installation cavity which is arranged in the casing, the upper pressure cover and the inner pressure cover are fixedly arranged at the upper and lower ends of the installation cavity through screws; the junction between the upper pressure cover and the casing and the junction between a piston of the piston rod and the inner wall of the installation cavity are respectively provided with a sealing ring to form a sealed hollow cavity, and the sealed hollow cavity is further provided with a ventilation hole connected with a cylinder; the other end of the piston rod is provided with the pushing block in a manner of penetrating through the inner pressure cover, a pressure spring is sleeved on the pushing block, and two ends of the pressure spring are pressed against the piston and the inner pressure cover respectively; and two elastic rods capable of bouncing away and returning are further arranged on the lower end of the casing, and a corresponding return recess is arranged on the sidewall of the casing. Therefore, automatic hoisting and transporting for thin-plate porous articles and heavy objects can be realized by the sling, and the sling has a simple structure and low manufacturing cost; in addition, the elastic rods bounce away and return under the control of the cylinder, so that the elastic rod-type automatic sling is high in degree of automation, convenient and simple for operation and stable in performance.

Description

Elastic rod type automatic lifting appliance

[ technical field ] A method for producing a semiconductor device

The invention belongs to the technical field of lifting appliances, and particularly relates to an elastic rod type automatic lifting appliance.

[ background of the invention ]

At present, the existing lifting appliances are generally manufactured by adopting modes such as levers, magnetic force, vacuum, rigging and the like, but none of the lifting appliances is suitable for realizing automatic lifting operation on sheet hole-shaped articles and heavy objects, the lifting operation difficulty is greatly improved, the lifting efficiency is low, and the labor intensity of lifting operators is increased.

[ summary of the invention ]

In order to solve the technical problems in the prior art, the invention provides the elastic rod type automatic lifting appliance which can realize automatic lifting operation of the porous non-metallic articles and heavy objects of the thin plate, and has the advantages of simple structure, low manufacturing cost, high automation degree, simple and convenient operation and stable performance.

The technical scheme adopted by the invention for solving the problems in the prior art is as follows:

an elastic rod type automatic lifting appliance comprises a shell, a piston rod, an upper gland, an inner gland, a push block and an elastic rod; the piston rod is arranged in the mounting cavity, and the upper end and the lower end of the mounting cavity are respectively fixedly connected with the upper gland and the inner gland through screws; sealing rings are arranged at the joint of the upper gland and the shell and the joint of a piston arranged at one end of the piston rod and the inner wall of the installation cavity to form a closed cavity, and the closed cavity is also provided with a vent hole connected with the cylinder; the other end of the piston rod penetrates through the inner gland, the tail end of the piston rod is provided with the push block, the piston rod is further sleeved with a pressure spring, and two ends of the pressure spring are respectively pressed on the piston and the inner gland; the casing lower extreme still two at least can be popped open and withdraw the bullet pole, be equipped with corresponding being used for placing on the casing lateral wall the withdrawal of bullet pole is stepped down.

Further, the elastic rod is rotatably connected to the shell through a pin, the pin penetrates through the elastic rod and the shell, and two elastic ends of the torsion spring are respectively arranged on the elastic rod and the shell.

Furthermore, a group of micro switches for detecting the state of the elastic rod is arranged in the withdrawing abdication position.

Furthermore, the number of the elastic rods is two, and the center line of the elastic rods and the axis of the piston rod are located on the same plane.

The invention has the beneficial effects that:

according to the technical scheme, automatic hoisting operation of the hole-shaped objects and the heavy objects of the thin plate can be realized, the hoisting tool is simple in structure, low in manufacturing cost and easy to popularize and apply, the control of the bouncing and retracting of the bouncing rod by the air cylinder is skillfully realized, the automation degree is high, the use and the operation are more convenient and simpler, and the performance is more stable.

In addition, the microswitch arranged in the retraction abdication of the lifting appliance ensures that the elastic rod is safely ejected or retracted according to requirements, and further improves the safety of lifting operation.

[ description of the drawings ]

Fig. 1 is a schematic cross-sectional structural view of an elastic rod type automatic spreader according to an embodiment of the invention;

fig. 2 is a schematic operation diagram of an automatic elastic rod type lifting appliance for lifting objects according to an embodiment of the invention.

The specification reference numbers indicate:

1. the device comprises a shell, 11, an installation cavity, 12, a retraction abdication device, 2, a piston rod, 21, a piston, 22, a sealing ring, 23, a nut, 24, a pressure spring, 3, an upper gland, 31/41, a screw, 4, an inner gland, 5, a push block, 6, an elastic rod, 61, a pin column, 62, a torsion spring, 7, a closed cavity and 71 vent holes.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and 2:

the invention provides an elastic rod type automatic lifting appliance, which comprises ashell 1, apiston rod 2, anupper gland 3, aninner gland 4, apush block 5 and anelastic rod 6, wherein the shell is provided with a piston rod; the upper end and the lower end of theinstallation cavity 11 are respectively fixedly connected with theupper gland 3 and theinner gland 4 through screws (31, 41);sealing rings 22 are arranged at the joints of theupper gland 3 and theshell 1 and the joints of thepiston 21 arranged at one end of thepiston rod 2 and the inner wall of themounting cavity 11 to form a closedcavity 7, and the closedcavity 7 is also provided with avent hole 71 connected with an air cylinder (not shown in the figure); the other end of thepiston rod 2 penetrates through theinner gland 4, the tail end of the piston rod is provided with apush block 5 through anut 23, apressure spring 24 is further sleeved on thepiston rod 2, and two ends of thepressure spring 24 are respectively pressed on thepiston 21 and theinner gland 4; the 1 lower extreme of casing still two can be popped open thebullet pole 6 of withdrawing, and the central line of twobullet poles 6 is located the coplanar with the axle center ofpiston rod 2,bullet pole 6 is rotatably connected oncasing 1 throughround pin post 61, andround pin post 61passes bullet pole 6 andcasing 1 department and still is equipped withtorsional spring 62, and onbullet pole 6 andcasing 1 were located respectively to the two elasticity ends oftorsional spring 62, madebullet pole 6 be in the state of popping open usually, be equipped with corresponding the withdrawal that is used for placingbullet pole 6 on thecasing 1 lateral wall and let aposition 12.

When external compressed air enters the closedcavity 7 through thevent hole 71, thepiston 21 overcomes the acting force (elastic force) of thepressure spring 24 on the piston under the action of air pressure, so that thepiston rod 2 moves downwards in themounting cavity 11, and simultaneously drives thepush block 5 to move downwards, thepush block 5 is contacted with the inner end (namely the end rotationally connected with the shell 1) of theelastic rod 6, and pushes theelastic rod 6 to overcome the elastic force of thetorsion spring 62 and rotate upwards around thepin 61 until thepin 61 is embedded in theretraction abdication 12 on the side wall of theshell 1 and is in a retraction state; conversely, when the compressed air in the closedcavity 7 is exhausted through thevent hole 71, thepiston 21 pushes thepiston rod 2 to move upwards in themounting cavity 11 under the upward acting force of thecompression spring 24 and drives thepush block 5 to move upwards, and simultaneously, under the action of thetorsion spring 62, theelastic rod 6 is ejected from the retraction abdicatingpart 12, rotates downwards around thepin 62 and gives an upward acting force to thepush block 5, and finally, theelastic rod 6 returns to the ejection state.

As shown in fig. 2, when the lifting appliance of the present invention is used to lift an object 8 (such as a sheet hole-shaped or non-metallic object), theelastic rod 6 on the lifting appliance is controlled to retract into the retraction abdication 12 (i.e. a retraction state), then the whole lifting appliance is inserted into theobject 8 from theopening 81 at the upper end of the object, then theelastic rod 6 on the lifting appliance is controlled to eject from theretraction abdication 12 and return to the ejection abdication state, and finally the lifting appliance is lifted upwards to clamp theelastic rod 6 in theobject 8, so that the lifting can be performed; after the lifting is finished, the whole lifting appliance is inserted into the object again, the controlelastic rod 6 is in a retraction state, and the lifting appliance can be pulled out from theopening 81. Therefore, the lifting appliance can automatically lift and transport the sheet hole-shaped objects and heavy objects, has simple structure, low manufacturing cost and easy popularization and application, skillfully realizes the control of the bouncing and retracting of theelastic rod 6 through the cylinder, has high automation degree, is more convenient and simpler to use and operate and has more stable performance.

As a preferred embodiment of the present invention, a set of micro switches 13 for detecting the state of theelastic rod 6 is arranged in theretraction abdication 12 of the lifting appliance, so as to ensure that theelastic rod 6 is safely ejected or retracted as required, and further improve the safety of the lifting operation.

The foregoing is a more detailed description of the present invention in connection with specific preferred embodiments and is not intended to limit the practice of the invention to these embodiments. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (4)

1. The utility model provides an automatic hoist of bullet pole formula which characterized in that: comprises a shell (1), a piston rod (2), an upper gland (3), an inner gland (4), a push block (5) and an elastic rod (6); wherein,

an installation cavity (11) which is communicated up and down is arranged in the shell (1), the piston rod (2) is arranged in the installation cavity (11), and the upper end and the lower end of the installation cavity (11) are respectively fixedly connected with the upper gland (3) and the inner gland (4) through screws (31, 41);

sealing rings (22) are arranged at the joints of the upper gland (3) and the shell (1) and the joints of the piston (21) arranged at one end of the piston rod (2) and the inner wall of the mounting cavity (11) to form a closed cavity (7), and the closed cavity (7) is also provided with a vent hole (71) connected with an air cylinder;

the other end of the piston rod (2) penetrates through the inner gland (4), the tail end of the piston rod is provided with the push block (5), the piston rod (2) is further sleeved with a pressure spring (24), and two ends of the pressure spring (24) are respectively pressed on the piston (21) and the inner gland (4);

the casing (1) lower extreme still two at least can be popped open and withdraw bullet pole (6), be equipped with corresponding being used for placing on casing (1) lateral wall the withdrawal of bullet pole (6) is abducted (12).

2. The automatic spreader of claim 1, wherein: bullet pole (6) are rotatably connected through round pin post (61) on casing (1), just round pin post (61) pass bullet pole (6) and casing (1) department still are equipped with torsional spring (62), torsional spring (62) both ends elasticity are located respectively on bullet pole (6) and casing (1).

3. The automatic spreader of claim 1 or 2, wherein: a group of micro switches (13) for detecting the state of the elastic rod (6) are arranged in the withdrawing abdicating part (12).

4. The automatic spreader of claim 3, wherein: the number of the elastic rods (6) is two, and the center lines of the elastic rods and the axis of the piston rod (2) are located on the same plane.

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