Double-station welding machineTechnical Field
The invention relates to a double-station welding machine suitable for automotive interiors.
Background
With the vigorous development of the modern automobile industry, plastics are increasingly used as automobile parts, and parts of plastic assemblies are welded and assembled in various manners. In the art, hot rivet welders are commonly used to join articles made of different materials, which interconnect thermosetting plastics with hot melt plastic articles, plastic articles with metal articles. The existing welding machine is provided with a fixing plate and a hot die plate which are driven by a motor to lift, and only single-station welding can be realized.
For the modern automotive interior manufacturing industry, where manufacturing requirements are increasing, how to increase the equipment beat is an important factor in increasing productivity, and thus, a welding machine capable of realizing dual/multiple stations is required.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a double-station welding machine.
In order to achieve the above object, the following technical scheme is adopted:
the utility model provides a duplex position welding machine, includes horizontal first station portion and vertical second station portion, vertical second station portion locates the end of horizontal first station portion, horizontal first station portion is including locating the lift transfer mechanism at top and locating terminal linking wheel mechanism, lift transfer mechanism can go up and down automatically and reciprocate transfer in the top surface of lift transfer mechanism with between the top, link wheel mechanism follows lift transfer mechanism's top surface reciprocate in between the top with through lift transfer mechanism will initial product lift transfer arrives vertical second station portion and weld, pass through linking wheel mechanism returns the product after welding to the top.
Preferably, the vertical second station part is a hot die mechanism which reciprocates vertically.
Preferably, the vertical second station part is arranged above the horizontal first station part through a guide pillar, a driving lifting layer controlled to lift by a third servo motor is arranged on the guide pillar, a hot die is arranged on the driving lifting layer, and products are welded through the hot die.
Preferably, the foundation top layer has been set firmly on the guide pillar, third servo motor set firmly on the foundation top layer, be equipped with the transmission connecting rod on the third servo motor, the foundation top layer with wear to be equipped with the actuating lever between the drive lift layer, the transmission connecting rod pass through right angle reducer with the actuating lever transmission is connected, and then passes through the third servo motor control the actuating lever is followed vertical direction and is rotated from the axle, the guide pillar with overlap respectively on the actuating lever and be equipped with linear bearing and pass through linear bearing with drive lift layer swing joint, pass through the actuating lever drives the drive lift layer is followed the guide pillar oscilaltion.
Preferably, the bottom end of the vertical second station part is provided with a supporting underframe so as to be arranged above the horizontal first station part.
Preferably, the driving rod is a double screw rod.
Preferably, the linking rotation mechanism comprises a tire membrane conveying plate, a second servo motor and horizontal guide units on two sides, wherein the tire membrane conveying plate is arranged on the horizontal guide units in a sliding mode to convey welded products, the second servo motor is arranged at the tail end of the horizontal first station part, the second servo motor is used for controlling the horizontal guide units to open and close, the horizontal guide units extend towards the starting end of the horizontal first station part, and the tire membrane conveying plate is driven to reciprocate through the horizontal guide units.
Preferably, the horizontal guiding unit comprises guide rails and a driving shaft which are respectively arranged on two sides of the second servo motor and are parallel to each other, the tire membrane conveying plate is slidably arranged on the guide rails, the second servo motor is in transmission connection with the driving shaft through a transmission connecting rod matched with a right-angle speed reducer, a transmission sleeve is sleeved on the driving shaft in a meshed mode, a connecting block is sleeved outside the transmission sleeve, the connecting block is fixedly connected with the tire membrane conveying plate, and further, the tire membrane conveying plate is driven to move along the guide rails in a reciprocating mode through the axial rotation of the driving shaft.
Preferably, the driving shaft is a double screw rod.
Preferably, the engagement wheel rotation mechanism is provided with a bottom bracket to support the guide rail on the top surface of the lifting and transferring mechanism.
Preferably, the lifting transfer mechanism comprises a horizontal transfer unit and the load lifting unit slidingly arranged on the horizontal transfer unit, the load lifting unit is arranged at the beginning end of the horizontal first station part, the horizontal transfer unit is arranged between the tail end and the beginning end of the horizontal first station part, the load lifting unit is driven to reciprocate by the horizontal transfer unit, and the initial product is transferred to the position below the vertical second station part by the load lifting unit.
Preferably, the load lifting unit comprises a load plate, a bottom plate, a load lifting machine and a movable guide post, wherein the load lifting machine is arranged on the bottom plate, the bottom plate is arranged on the horizontal transfer unit, the load plate is arranged on the load lifting machine for bearing initial products, the load lifting machine supports or supports the load plate, one end of the movable guide post is fixedly connected under the load plate, a guide sleeve or a linear bearing is fixedly arranged on the bottom plate, and the other end of the movable guide post penetrates through the guide sleeve and penetrates out of the bottom plate.
Preferably, the horizontal transfer unit comprises a first servo motor, a single driving shaft and double guide rails, wherein the first servo motor is arranged at the tail end of the horizontal first station part, one end of the single driving shaft is connected with the first servo motor through a standard speed reducer, the first servo motor is used for controlling the opening and closing of the single driving shaft, the other end of the single driving shaft is arranged below the bottom plate, a sleeve joint block is fixedly arranged below the bottom plate, the sleeve joint block is meshed and sleeved on the single driving shaft, further, the bottom plate is driven by the single driving shaft, the double guide rails are parallelly arranged on two sides of the single driving shaft, one end of the double guide rails is arranged below the bottom plate and further the load lifting unit is slidably arranged on the double guide rails, the other end of the double guide rails extends to the first servo motor, and the bottom plate is provided with a support.
Preferably, the single driving shaft is a single screw rod.
Preferably, the horizontal first station part and the vertical second station part are installed in a frame box.
The double-station welding machine has the beneficial effects that:
1) When the initial product is lifted and transferred to the vertical second station part through the lifting and transferring mechanism and welded, the welded product is returned to the starting end through the engagement rotating mechanism, so that double-station operation is realized, and the production efficiency is greatly improved;
2) Through the lifting function of the lifting transfer mechanism, in the double-station simultaneous operation process, vertical three-dimensional rotation is realized in a horizontal station structure, and the structural design is ingenious;
3) The structure in the aspect of driving basically adopts a motor, a speed reducer and a screw rod, and has reasonable design and convenient control.
Drawings
Fig. 1 is a schematic diagram of the whole structure of a double-station welder of the present invention.
Fig. 2 is a schematic structural diagram corresponding to the case of the outgoing frame of fig. 1.
Fig. 3 is a schematic structural diagram corresponding to the horizontal first station part in fig. 2.
Fig. 4 is a schematic view of a first view structure corresponding to the lifting and transferring mechanism in fig. 3.
Fig. 5 is a schematic view of another view structure corresponding to fig. 4.
Fig. 6 is a schematic diagram of a usage flow corresponding to fig. 2.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 1 and 2, a double-station welding machine includes a horizontal first station part 1 and a vertical second station part 2 mounted in a frame box 8, the vertical second station part 2 is disposed at the end of the horizontal first station part 1, the horizontal first station part 1 includes a lifting and transferring mechanism 3 disposed at the start end and a linking wheel mechanism 4 disposed at the end, the lifting and transferring mechanism 3 can automatically lift and reciprocate between the start end and the end, the linking wheel mechanism 4 reciprocates between the end and the start end along the top surface of the lifting and transferring mechanism 3, the initial product 9 is lifted and transferred to the vertical second station part 2 by the lifting and transferring mechanism 3 and welded, and the welded product 9 is returned to the start end by the linking mechanism 4. A numerical control box unit 7 is arranged beside the frame box body 8 for controlling the operation of each station part. A bracket structure 6 for supporting each station or mechanism is arranged in the frame box 8.
As shown in fig. 2, the vertical second station part 2 is a hot die mechanism that reciprocates vertically.
Specifically, the vertical second station part 2 is set up above the horizontal first station part 1 through a guide pillar 20, a driving lifting layer 22 controlled to lift by a third servo motor 21 is arranged on the guide pillar 20, a hot die is mounted on the driving lifting layer 22, and the product 9 is welded through the hot die.
The guide post 20 is fixedly provided with a basic top layer 23, the third servo motor 21 is fixedly arranged on the basic top layer 23, the third servo motor 21 is provided with a transmission connecting rod 24, a driving rod 25 is arranged between the basic top layer 23 and the driving lifting layer 22 in a penetrating manner, the transmission connecting rod 24 is in transmission connection with the driving rod 25 through a right angle speed reducer 26, the driving rod 25 is controlled to rotate along the vertical direction by the third servo motor 21, and the guide post 20 and the driving rod 25 are respectively sleeved with a linear bearing 27 and are movably connected with the driving lifting layer 22 through the linear bearings 27, and the driving lifting layer 22 is driven by the driving rod 25 to lift up and down along the guide post 20.
Preferably, a supporting chassis 28 is disposed at the bottom end of the vertical second station 2, and is further disposed above the horizontal first station 1. The driving rod 25 is a double-wire rod.
Referring to fig. 2 and 3, the engagement wheel rotation mechanism 4 includes a tire membrane conveying plate 40, a second servo motor 41, and horizontal guiding units 42 on two sides, the tire membrane conveying plate 40 is slidably disposed on the horizontal guiding units 42 for conveying the welded product 9, the second servo motor 41 is disposed at the tail end of the horizontal first station portion 1, the second servo motor 41 controls the horizontal guiding units 42 to open and close, the horizontal guiding units 42 extend to the start end of the horizontal first station portion 1, and the tire membrane conveying plate 40 is driven to reciprocate by the horizontal guiding units 42.
As shown in fig. 3, the horizontal guiding unit 42 includes a guide rail 43 and a driving shaft 44, which are separately disposed at two sides of the second servo motor 41 and are parallel to each other, the tire membrane conveying plate 40 is slidably disposed on the guide rail 43, the second servo motor 41 is in transmission connection with the driving shaft 44 through a transmission connecting rod 24 and a right angle speed reducer 47, a transmission sleeve 45 is engaged on the driving shaft 44, a connecting block 46 is sleeved outside the transmission sleeve 45, the connecting block 46 is fixedly connected with the tire membrane conveying plate 40, and further, the tire membrane conveying plate 40 is driven to reciprocate along the guide rail 43 by the axial rotation of the driving shaft 44.
Preferably, the driving shaft 44 is a double screw. The engagement wheel rotating mechanism 4 is provided with a bottom bracket 49 to support the guide rail 43 on the top surface of the lifting and transferring mechanism 3.
As shown in fig. 3 to 5, the lifting and transferring mechanism 3 includes a horizontal transferring unit 30 and the load lifting unit 31 slidably disposed on the horizontal transferring unit 30, the load lifting unit 31 is disposed at the start end of the horizontal first station portion 1, the horizontal transferring unit 30 is disposed between the end and the start end of the horizontal first station portion 1, the load lifting unit 31 is driven by the horizontal transferring unit 30 to reciprocate, and the initial product 9 is transferred to the position below the vertical second station portion 2 by the load lifting unit 31.
Referring to fig. 4 and 5, the load lifting unit 31 includes a load plate 32, a bottom plate 33, a load lifter 34, and a movable guide post 35, where the load lifter 34 is mounted on the bottom plate 33, the bottom plate 33 is disposed on the horizontal transfer unit 30, the load plate 32 is disposed on the load lifter 34 to support the initial product 9, one end of the movable guide post 35 is fixedly connected under the load plate 32 by the load lifter 34, a guide sleeve 350 or a linear bearing is fixedly disposed on the bottom plate 33, and the other end of the movable guide post 35 is disposed in the guide sleeve 35 and extends out of the bottom plate 33.
As shown in fig. 5, the horizontal transfer unit 30 includes a first servo motor 36, a single driving shaft 37 and a double guide rail 38, the first servo motor 36 is disposed at the end of the horizontal first station portion 1, one end of the single driving shaft 37 is connected with the first servo motor 36 through a standard speed reducer 38, the first servo motor 36 controls the single driving shaft 37 to open and close, the other end of the single driving shaft 37 is disposed under the bottom plate 33, a sleeve block 39 is fixedly disposed under the bottom plate 33, the sleeve block 39 is engaged and sleeved on the single driving shaft 37, further, the bottom plate 33 is driven by the single driving shaft 37, the double guide rail 38 is disposed on two sides of the single driving shaft 37 in parallel, one end of the double guide rail 38 is disposed under the bottom plate 33, further, the load lifting unit 31 is slidably disposed on the double guide rail 38, the other end of the double guide rail 38 extends toward the first servo motor 36, and the supports are disposed under the first servo motor 36 and the bottom plate 33.
More preferably, the single driving shaft 37 is a single screw.
After having the above structural features, as shown in fig. 2 and 6 (each working position of ABCDE in fig. 6 corresponds to each working position of ABCDE marked in fig. 2), in an actual production workshop, the whole welding machine device of the present invention can weld the front door left and right and the rear door left and right decorative strips (i.e. the initial unwelded product 9) simultaneously, and is a double-station circulation mode, the device can take and place the product 9 while automatically welding, thereby reducing the whole operation period and greatly improving the production efficiency, and the specific process comprises:
a. placing the initially unwelded tire mold product 9 at position a of the lifting and transferring mechanism 3 (as indicated by the flow indicated by the dashed solid arrow in fig. 6);
b. controlling the lifting and transferring mechanism 3 to descend so that the tire mold product 9 descends to the position B;
c. after the lifting and transferring mechanism 3 is translated to the position C, the lifting and transferring mechanism 3 is controlled to lift, so that the product 9 is lifted to the position D;
d. controlling the hot die of the vertical second station part 2 to descend from the position E, and further welding the product 9 at the position D;
e. translating and returning the welded product 9 at the position D to the position A through the engagement rotary mechanism 4, and taking away the welded product 9;
f. controlling the engagement rotary mechanism 4 to retract to the position D, and simultaneously controlling the lifting and transferring mechanism 3 to retract to the position A;
g. repeating the above steps until stopping production.
The examples of the present invention are intended to be illustrative only and not to limit the scope of the claims, and other substantially equivalent substitutions will occur to those skilled in the art and are intended to be within the scope of the present invention.