Workpiece assembling device

Abstract

The invention relates to the technical field of copper pin assembly, and mainly discloses a workpiece assembly device which comprises a moving unit, the moving unit comprises a driving seat, and a bottom plate is movably arranged at the top of the driving seat; the mounting unit is arranged on the bottom plate and comprises a guide frame, a fixed seat and a filling assembly, the guide frame is fixed on the bottom plate, the fixed seat and the filling assembly are movably arranged on the guide frame, a workpiece is fixed on the fixed seat, and the workpiece is stored in the filling assembly; the pressing unit comprises a driving cylinder and a pressing head, the pressing head is fixed to a piston rod of the driving cylinder, and the pressing head is used for assembling the workpiece. The device solves the problems that in the prior art, due to uneven manual force application, the pressure of the flat head chisel is easily dispersed into a line and cannot act on a riveting point in a concentrated mode, and the production efficiency is high; and the problem that the contact finger is not firmly fixed often occurs.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of copper pin assembly, and in particular to a workpiece assembly device. BACKGROUND

[0002] In the current pin spring sheet lock riveting field, for the rivet-free riveting assembly of beryllium bronze spring contact fingers and red copper pins, the mainstream adopts a manual operation process. The process uses a transverse flat head chisel as a tool and relies on manual percussion to achieve riveting. The workpiece needs to be manually fed and positioned one by one, and uneven manual force can easily lead to the dispersion of flat head chisel pressure into lines, which cannot be concentrated on the riveting point.

[0003] At the same time, the size of the original pin riveting part is small, and the deformation of the workpiece is difficult to control under manual operation, often causing the contact finger to be not firmly fixed, and the assembly qualification rate is low. In addition, manual feeding and station switching take a long time and cannot adapt to batch production requirements, resulting in low production efficiency and further exacerbating assembly quality fluctuations due to skill differences of operators, which is difficult to meet the standardization and stabilization production requirements of the pin spring sheet lock riveting process. SUMMARY

[0004] Therefore, the technical problem to be solved by the present application is that the existing rivet-free riveting assembly is often manually operated, but uneven manual force can easily lead to the dispersion of flat head chisel pressure into lines, which cannot be concentrated on the riveting point, often causing the contact finger to be not firmly fixed, and the assembly qualification rate is low.

[0005] The above technical problems are solved by the following technical solutions: the present application provides a workpiece assembly device, which comprises a moving unit, the moving unit comprises a driving seat, the top of the driving seat is movably provided with a bottom plate; an installation unit is arranged on the bottom plate, which comprises a guide frame, a fixing seat and a filling assembly, the guide frame is fixed on the bottom plate, the fixing seat and the filling assembly are movably arranged on the guide frame, the workpiece is fixed on the fixing seat, and the workpiece is stored in the filling assembly; a pressing unit comprises a driving cylinder and a pressing head, the pressing head is fixed on the piston rod of the driving cylinder, and the pressing head is used for assembling the workpiece.

[0006] In a preferred embodiment of the workpiece assembly device of the present application: an operation platform is further included, the top of the operation platform is fixedly connected with a mounting bracket, the driving cylinder is fixed on the mounting bracket, and the pressing head faces the operation platform; the driving seat is fixedly connected to the upper surface of the operation platform, the driving seat comprises a base and a moving seat movably fixed on the top of the base, a driving motor is fixed on the side wall of the base, a lead screw is fixedly connected to the output shaft of the driving motor, and the moving seat is threadedly sleeved on the outside of the lead screw.

[0007] In a preferred embodiment of the workpiece assembling device: the bottom plate comprises a butt plate and clamping elastic plates symmetrically fixed on the top of the butt plate, and the guide frame is fixedly arranged between the clamping elastic plates; the clamping elastic plate comprises a first connecting plate and a limiting elastic plate arranged on the top of the first connecting plate, and a first spring is fixedly connected between the first connecting plate and the limiting elastic plate; a pressing plate is fixedly connected to the side wall of the limiting elastic plate; and a clamping groove is symmetrically arranged on the limiting elastic plate.

[0008] In a preferred embodiment of the workpiece assembling device: the guide frame is symmetrically fixedly connected with a first sliding rail inside, and the fixing seat is slidingly fixed on the first sliding rail; an installation boss and a lifting piece are fixedly connected to the top of the fixing seat; the lifting piece comprises a second connecting plate and a lifting plate fixed on the top of the second connecting plate; the lifting plate comprises symmetrically arranged main lifting plates; an auxiliary plate is fixedly connected between the main lifting plates; a vertical beam is fixed between the auxiliary plate and the second connecting plate; and a second spring is fixed to one side of the vertical beam close to the installation boss.

[0009] In a preferred embodiment of the workpiece assembling device: a plurality of groups of installation grooves are arrayed on the top of the installation boss, and a disengagement sliding groove is arranged on the installation groove in the vertical direction; the disengagement sliding groove has a groove depth greater than that of the installation groove; and a pushing piece is slidingly clamped in the disengagement sliding groove; a lower embedding groove is arranged in the parallel direction of the disengagement sliding groove, and the lower embedding groove has a groove depth greater than that of the installation groove.

[0010] In a preferred embodiment of the workpiece assembling device: a limiting sliding seat is further slidingly arranged on the top of the fixing seat, and the limiting sliding seat is slidingly clamped in the installation boss; a pressing plate is fixedly connected to one end of the limiting sliding seat; a bulletproof plate is further fixedly connected to the top of the limiting sliding seat; a plurality of groups of pressure pads are arrayed on the bottom end of the bulletproof plate; the pressure pads correspond to the positions of the installation grooves; and the pressing plate abuts against the second spring.

[0011] In a preferred embodiment of the workpiece assembling device: the pushing piece comprises a moving plate, and auxiliary pushing blocks and a rebound connecting plate are fixed to both ends of the moving plate; the moving plate is slidingly clamped in the disengagement sliding groove; a plurality of groups of pushing inclined blocks are arrayed on the top of the moving plate; the positions and numbers of the pushing inclined blocks correspond to those of the installation grooves; a rebound piece is further fixed to the fixing seat away from the auxiliary pushing blocks; the rebound piece comprises a third connecting plate and a third spring fixed to the side wall of the third connecting plate; and the other end of the third spring is fixed to the rebound connecting plate.

[0012] In a preferred embodiment of the workpiece assembling device: handrails are symmetrically fixed to both ends of the top of the fixing seat; clamping blocks are arranged on the bottom of the fixing seat corresponding to the positions of the handrails; and the clamping blocks are slidingly inserted into the clamping grooves.

[0013] In a preferred embodiment of the workpiece assembly device: the filling assembly comprises symmetrically arranged support beams, the support beams are symmetrically fixedly connected to the butt joint plate, a second guide rail is fixedly connected between the support beams, and a filling box is slidably connected to the second guide rail; the filling box comprises a plurality of groups of placement boxes arranged in an array, the placement boxes are open at the top and the bottom, synchronous baffles are fixed between the placement boxes, and a plurality of groups of workpieces are placed in each group of placement boxes.

[0014] In a preferred embodiment of the workpiece assembly device: a lower pressing cover plate is fixedly connected to the top of the filling box, a fourth spring is fixed to the bottom end of the lower pressing cover plate, a synchronous push plate is fixed to the end of the fourth spring, the synchronous push plate can slide in the filling box, and a supporting block is fixedly connected to the top of the lower pressing cover plate; a separation gap is formed in the bottom of the filling box, and a separation plug plate is fixed to one side of the support beam and is inserted into the separation gap in a sliding manner.

[0015] The workpiece assembly device has the following beneficial effects: The device is based on an operation platform and comprises three units: a moving unit, an installation unit, and a pressing unit. The moving unit switches the work position of the bottom plate through a driving motor and a lead screw. The installation unit comprises a guide frame, a fixed seat, and a filling assembly. The filling assembly cooperates with the separation plug plate and the synchronous push plate to quantitatively supply workpieces, and the fixed seat is positioned by the clamping plate. The pressing unit drives the pressing head to realize riveting through a driving cylinder.

[0016] The process comprises a filling position and a riveting position. The filling position quantitatively feeds the workpieces into the slot, the riveting position prevents the workpieces from being lifted through a limiting sliding seat, and the driving cylinder applies pressure for riveting. The device can process both sides, and the finished product is taken out by the upper pushing piece. The device solves the problems of low efficiency and uneven force of manual riveting, improves the efficiency and assembly stability, is convenient to operate, is suitable for multiple specifications of workpieces, and supports batch production. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below only relate to some embodiments of the present application, but not limit the present application. Among them: Figure 1 Fig. 1 shows the distribution diagram of the moving unit, the installation unit, and the pressing unit of the workpiece assembly device; Figure 2 Fig. 2 shows the connection diagram of the moving unit and the operation platform of the workpiece assembly device; Figure 3 Fig. 3 shows the structure diagram of the operation platform of the workpiece assembly device; Figure 4 Fig. 4 shows the structure diagram of the fixed seat of the workpiece assembly device; Figure 5The connecting diagram of the limiting slide of the workpiece assembling device and the pushing piece is shown. Figure 6 The partial structure diagram of the limiting slide of the workpiece assembling device is shown. Figure 7 The structure diagram of the pushing piece of the workpiece assembling device is shown. Figure 8 The distribution position diagram of the clamping block of the workpiece assembling device is shown. Figure 9 The structure diagram of the filling assembly of the workpiece assembling device is shown. Figure 10 The sectional view of the filling box of the workpiece assembling device is shown. Figure 11 The workpiece assembling schematic diagram of the workpiece assembling device is shown. DETAILED DESCRIPTION

[0018] In order for those skilled in the art to better understand the present application, the present application will be further described in detail below in conjunction with specific embodiments and drawings.

[0019] The terms used in the present application are those general terms currently widely used in the art in consideration of the functions about the present application, but the terms can be changed according to the intention of those skilled in the art, precedents, or new technology in the art. In addition, specific terms can be selected by the applicant, and in this case, the detailed meaning thereof will be described in the detailed description of the present application. Therefore, the terms used in the specification should not be understood as simple names, but based on the meaning of the terms and the overall description of the present application.

[0020] REFERENCE Figures 1-11 The embodiment provides a workpiece assembling device, which comprises a moving unit 100, the moving unit 100 comprises a driving seat 101, a bottom plate 102 is movably arranged on the top of the driving seat 101, the driving seat 101 is used for driving the bottom plate 102 to move along a preset direction, thereby driving a subsequent installation unit 200 to switch a station, so as to meet the position requirement of "filling - processing - taking" in the assembling process of a workpiece A, wherein the workpiece A comprises a first material piece A1 and a second material piece A2, the second material piece A2 can be matched into a gap in the first material piece A1.

[0021] The mounting unit 200 is arranged on the bottom plate 102, and comprises a guide frame 201, a fixing seat 202 and a filling assembly 203. The guide frame 201 is fixed on the bottom plate 102 to provide sliding guide for the fixing seat 202, so that the fixing seat 202 is prevented from deviating during movement. The fixing seat 202 and the filling assembly 203 are movably arranged on the guide frame 201. The first material piece A1 is fixed on the fixing seat 202 and stored in the filling assembly 203. The filling assembly 203 is used for quantitatively feeding the first material piece A1 to the fixing seat 202, so that the automatic feeding of the first material piece A1 is realized.

[0022] The pressing unit 300 comprises a driving cylinder 301 and a pressing head 302. The pressing head 302 is fixed on the piston rod of the driving cylinder 301. The driving cylinder 301 provides downward driving force for the pressing head 302. The pressing head 302 is used for assembling the first material piece A1. Specifically, the first material piece A1 is pressed by a preset pressure, so that the first material piece A1 is tightly attached to the second material piece A2, and finally the riveting and attaching effect of the metal is realized.

[0023] Further, the workpiece assembling device further comprises an operation platform 400, the top of which is fixedly connected with a mounting bracket 401. The operation platform 400 is provided with a controller, a circuit board and other electrical elements, which are used for controlling the actions of the driving seat 101 and the driving cylinder 301. The mounting bracket 401 provides stable support for the pressing unit 300, so that the pressing head 302 is prevented from shaking during downward pressing. The driving cylinder 301 is fixed on the mounting bracket 401, and the pressing head 302 faces the operation platform 400, so that the pressing head 302 can accurately align the first material piece A1 on the fixing seat 202.

[0024] Specifically, the driving seat 101 is fixedly connected to the upper surface of the operation platform 400. The driving seat 101 comprises a base 101a and a moving seat 101b movably fixed on the top of the base 101a. The base 101a provides mounting basis for the moving seat 101b. The side wall of the base 101a is fixedly connected with a driving motor 101c. The output shaft of the driving motor 101c is fixedly connected with a lead screw. The moving seat 101b is threadedly connected with the lead screw. When the driving motor 101c is started, the lead screw is driven to rotate, and in turn drives the moving seat 101b to move longitudinally along the base 101a, so that the position of the bottom plate 102 is adjusted, the workstations of the fixing seat 202 are switched, and the machining of the workpiece A is further realized.

[0025] Further, the bottom plate 102 comprises a butt joint plate 102a and symmetrical clamping elastic plates 102b fixed on the top of the butt joint plate 102a. The butt joint plate 102a is used for connecting the moving seat 101b and the guide frame 201, so that the force is stably transmitted. The guide frame 201 is fixedly arranged between the clamping elastic plates 102b. The clamping elastic plates 102b are used for temporarily positioning the fixing seat 202, so that the fixing seat 202 is prevented from moving during assembly.

[0026] The clamping elastic plate 102b comprises a first connecting plate 102b-1 and a limiting elastic plate 102b-2 arranged at the top of the first connecting plate 102b-1. The first connecting plate 102b-1 and the limiting elastic plate 102b-2 are fixedly connected with a first spring T1. The first spring T1 provides elastic support for the limiting elastic plate 102b-2, so that the limiting elastic plate 102b-2 has the characteristic of being adjustable by pressing. The side wall of the limiting elastic plate 102b-2 is fixedly connected with a pressing plate 102b-3. The pressing plate 102b-3 facilitates manual adjustment of the position of the limiting elastic plate 102b-2 by the operator, thereby releasing the positioning of the fixing seat 202. The limiting elastic plate 102b-2 is also symmetrically provided with a clamping groove 102b-2a. The clamping groove 102b-2a is used in cooperation with the clamping block at the bottom of the fixing seat 202 to realize the quick positioning of the fixing seat 202.

[0027] The first slide rail 201a is symmetrically fixedly connected in the guide frame 201. The first slide rail 201a adopts a linear slide rail structure to reduce the frictional resistance when the fixing seat 202 slides. The fixing seat 202 is slidably fixed on the first slide rail 201a to ensure that the fixing seat 202 can move stably along the first slide rail 201a, thereby adapting to the position requirements of different assembly processes.

[0028] The fixing seat 202 is fixedly connected with a mounting boss 202a and a lifting piece 202b at the top. The mounting boss 202a provides a placement basis for the first material piece A1. The lifting piece 202b is used to support the first material piece A1 when the filling assembly 203 is filled, thereby avoiding the deviation of the first material piece A1 when it falls. The lifting piece 202b comprises a second connecting plate 202b-1 and a lifting plate 202b-2 fixed at the top end of the second connecting plate 202b-1. The second connecting plate 202b-1 connects the fixing seat 202 and the lifting plate 202b-2. The lifting plate 202b-2 comprises symmetrically arranged main supporting plates 202b-2a. The main supporting plates 202b-2a directly support the first material piece A1. The main supporting plates 202b-2a are fixedly connected with auxiliary plates 202b-2b. The auxiliary plates 202b-2b enhance the structural strength of the lifting plate 202b-2 to avoid deformation after long-term support of the first material piece A1. The auxiliary plates 202b-2b and the second connecting plate 202b-1 are fixedly connected with vertical beams 202b-2c. The vertical beams 202b-2c are fixedly connected with a second spring T2 on the side close to the mounting boss 202a. The second spring T2 provides a reset power for the subsequent limiting slide seat 202c.

[0029] The top of the mounting boss 202a is provided with a plurality of groups of mounting grooves 202a-1, the size of the mounting grooves 202a-1 is matched with the shape of the first material piece A1, so as to ensure that the first material piece A1 is stably placed, and two groups are preferably provided in the embodiment; a disengagement sliding groove 202a-2 is also provided in the direction perpendicular to the groove line of the mounting groove 202a-1, the disengagement sliding groove 202a-2 provides a sliding space for the upper pushing piece 202a-3, the groove depth of the disengagement sliding groove 202a-2 is greater than the groove depth of the mounting groove 202a-1, so as to avoid interference between the upper pushing piece 202a-3 and the first material piece A1 in the mounting groove 202a-1 when the upper pushing piece 202a-3 slides.

[0030] The upper pushing piece 202a-3 is slidably connected in the disengagement sliding groove 202a-2, the upper pushing piece 202a-3 is used to push the first material piece A1 out of the mounting groove 202a-1 after the workpiece is assembled, so as to facilitate the operator to take the workpiece; a lower embedding groove 202a-4 is also provided in the parallel direction of the disengagement sliding groove 202a-2, the groove depth of the lower embedding groove 202a-4 is greater than the groove depth of the mounting groove 202a-1, the lower embedding groove 202a-4 provides a sliding space for the second material piece A2, so as to prevent the second material piece A2 on the first surface from being deformed when the second material piece A2 on the first surface is fixed and then processed.

[0031] The top of the fixing seat 202 is also provided with a limiting sliding seat 202c, the limiting sliding seat 202c is slidably connected into the mounting boss 202a, and the mounting boss 202a provides sliding guidance for the limiting sliding seat 202c; the limiting sliding seat 202c is used to limit the first material piece A1 during assembly, so as to avoid that the first material piece A1 is raised by pressure.

[0032] One end of the limiting sliding seat 202c is fixedly connected with an extrusion plate 202c-1, the extrusion plate 202c-1 is used to bear the elastic force of the second spring T2, the top of the limiting sliding seat 202c is also fixedly connected with a bulletproof plate 202c-2, the bulletproof plate 202c-2 is used to block the upward lifting of the first material piece A1, and the bottom end of the bulletproof plate 202c-2 is arrayed with a plurality of groups of pressure pads 202c-2a, the pressure pads 202c-2a are made of elastic material, and rubber is preferably used in the embodiment, so as to avoid that the surface of the first material piece A1 is pressed and injured; the pressure pads 202c-2a correspond to the positions of the mounting grooves 202a-1, so as to ensure that the first material piece A1 in each mounting groove 202a-1 can be stably pressed; the extrusion plate 202c-1 abuts against the end of the second spring T2, the second spring T2 pushes the limiting sliding seat 202c to automatically reset through the extrusion plate 202c-1, so as to ensure that the limiting sliding seat 202c can return to the initial limiting position after each assembly.

[0033] The upper pushing piece 202a-3 includes a moving plate 202a-3a, which provides a mounting base for the upper pushing inclined blocks 202a-3d, and the moving plate 202a-3a is fixed with auxiliary pushing blocks 202a-3b and rebound connecting plates 202a-3c at both ends, the auxiliary pushing blocks 202a-3b facilitate the operator or the external driving mechanism to push the moving plate 202a-3a to slide, and the rebound connecting plates 202a-3c are used for connecting the rebound piece 202d; the moving plate 202a-3a is slidingly clamped into the disengaging sliding groove 202a-2, so as to ensure that the moving plate 202a-3a does not deviate when sliding.

[0034] The moving plate 202a-3a has a plurality of groups of upper pushing inclined blocks 202a-3d arranged on the top, and the angle of the inclined surface of the upper pushing inclined blocks 202a-3d is set to 30°-45°, so as to ensure that the first material piece A1 can be smoothly lifted; the positions and the number of the upper pushing inclined blocks 202a-3d correspond to the mounting grooves 202a-1, so as to ensure that the first material piece A1 in each mounting groove 202a-1 can be synchronously pushed out.

[0035] The disengaging sliding groove 202a-2 is further fixed with the rebound piece 202d on the fixed seat 202 away from the auxiliary pushing block 202a-3b, and the rebound piece 202d is used for driving the upper pushing piece 202a-3 to automatically reset; the rebound piece 202d includes a third connecting plate 202d-1 and a third spring T3 fixed on the side wall thereof, the third connecting plate 202d-1 fixes the rebound piece 202d on the fixed seat 202, the other end of the third spring T3 is fixed with the rebound connecting plate 202a-3c, the third spring T3 pushes the moving plate 202a-3a to reset through the rebound connecting plate 202a-3c, so as to ensure that the upper pushing piece 202a-3 can quickly return to the initial position after pushing out the first material piece A1, and does not affect the placement of the first material piece A1 next time.

[0036] The fixed seat 202 is further fixed with handrails 202e at both ends of the top, the handrails 202e facilitate the operator to manually adjust the position of the fixed seat 202, and adapt to the assembly requirements in different working conditions; the fixed seat 202 is further provided with clamping blocks 202e-1 at the bottom of the positions corresponding to the handrails 202e, the clamping blocks 202e-1 are slidingly inserted into the clamping grooves 102b-2a, and the clamping blocks 202e-1 and the clamping grooves 102b-2a are matched, so as to realize the temporary positioning of the fixed seat 202 on the guide frame 201, avoid the displacement of the fixed seat 202 in the assembly process, and preferably, four groups of clamping blocks 202e-1 are arranged, which correspond to one group of clamping grooves 102b-2a respectively, and can be fixed when being located at the feeding position and the machining position.

[0037] The filling assembly 203 comprises symmetrical support beams 203a fixedly connected to the butt joint plate 102a, and a second guide rail 203b fixedly connected between the support beams 203a, wherein the second guide rail 203b adopts a slider guide rail structure to ensure smooth sliding of the filling box 203c; the filling box 203c is slidably connected to the second guide rail 203b and can move transversely along the second guide rail 203b, facilitating butt joint or separation with the fixed seat 202.

[0038] The filling box 203c comprises a plurality of groups of placement boxes 203c-1 arranged in an array, which are used to stack and store the first material pieces A1, and the top and bottom ends of the placement boxes 203c-1 are open to facilitate replenishment and falling of the first material pieces A1; a synchronous baffle 203c-2 is fixed between the placement boxes 203c-1 to ensure synchronous movement of each group of placement boxes 203c-1 and avoid deviation of the first material pieces A1; a plurality of groups of first material pieces A1 are placed in each group of placement boxes 203c-1 to meet the feeding demand of batch assembly.

[0039] The filling box 203c is fixedly connected with a downward pressing cover plate 203c-3 at the top, which closes the top opening of the placement boxes 203c-1 to prevent foreign matter from falling in and contaminating the first material pieces A1; a fourth spring T4 is fixed at the bottom end of the downward pressing cover plate 203c-3 to provide a continuous downward pressing force for a synchronous push plate 203c-4; the synchronous push plate 203c-4 is fixed at the end of the fourth spring T4 and can slide in the filling box 203c; under the action of the fourth spring T4, the synchronous push plate 203c-4 pushes the first material pieces A1 to move downward, ensuring that the first material pieces A1 in the placement boxes 203c-1 are always in a state of waiting to fall; the downward pressing cover plate 203c-3 is also fixedly connected with a supporting block 203c-3a at the top, which facilitates manual sliding of the filling box 203c along the second guide rail 203b by the operator.

[0040] The filling box 203c is provided with a separation gap 203c-1a at the bottom, which provides a space for a separation plug plate 203a-1 to be inserted; the separation plug plate 203a-1 is fixed on one side of the support beam 203a and is inserted into the separation gap 203c-1a in a sliding manner; by inserting the separation plug plate 203a-1 into the separation gap 203c-1a, the first material pieces A1 stacked in the placement boxes 203c-1 can be separated into upper and lower parts, and only the lowermost group of first material pieces A1 is allowed to fall into the mounting groove 202a-1 of the fixed seat 202, realizing quantitative delivery of the first material pieces A1 and avoiding simultaneous falling of multiple groups of first material pieces A1 to cause assembly failure.

[0041] In summary, the working principle of the workpiece assembly device for the pin spring sheet lock riveting is as follows: the device is supported on the basis of the operation platform 400, the driving motor 101c of the driving seat 101 drives the screw rod to rotate, the moving seat 101b and the bottom plate 102 are longitudinally moved, the position of the fixed seat 202 is adjusted by manual operation, and then the installation unit 200 is switched between the "filling station" and the "riveting station".

[0042] When at the filling station, the filling assembly 203 stores the workpiece A through the filling box 203c, at this time, the filling box 203c moves to the left until the separation plug plate 203a-1 is separated from the filling box 203c, the first material piece A1 falls onto the lifting piece 202b, and after being caught by the lifting plate 202b-2, the filling box 203c moves to the right again, at this time, the separation plug plate 203a-1 is inserted between the two layers of first material pieces A1.

[0043] The separation plug plate 203a-1 is inserted into the separation gap 203c-1a at the bottom of the filling box 203c to realize the layering of the workpiece A, and the first material piece A1 is pushed downward by the synchronous push plate 203c-4 under the action of the fourth spring T4, and only the first material piece A1 at the lowermost position falls into the installation groove 202a-1, and the lifting piece 202b assists in receiving the workpiece A to prevent deviation.

[0044] Subsequently, the installation unit 200 moves to the riveting station, the clamping block 202e-1 at the bottom of the fixed seat 202 is inserted into the clamping groove 102b-2a of the clamping spring plate 102b to complete positioning, the limiting slide 202c drives the anti-spring plate 202c-2 and the pressing pad 202c-2a to press one end of the workpiece A under the action of the second spring T2, this process can also be manually driven to push the limiting slide 202c, so that the pressing pad 202c-2a can completely press the workpiece A to avoid the workpiece A from being raised during riveting; then the driving cylinder 301 of the pressing unit 300 drives the pressing head 302 to press downward, so that the first material piece A1 and the second material piece A2 are tightly attached to realize riveting without rivets, if double-sided riveting is required, the first material piece A1 is turned over by manual operation, and the above-mentioned riveting steps are repeated; after riveting is completed, the auxiliary push block 202a-3b of the push-up piece 202a-3 is pushed, the moving plate 202a-3a drives the push-up inclined block 202a-3d to eject the finished workpiece in the installation groove 202a-1, the third spring T3 of the rebound piece 202d pushes the push-up piece 202a-3 to reset, and finally the moving unit 100 drives the installation unit 200 to return to the filling station to complete one complete pin spring sheet lock riveting assembly process cycle.

[0045] Finally, it should be pointed out that the above detailed description of the method and device is only an embodiment, and those skilled in the art can modify the embodiment in different ways without departing from the scope of the present application.

Claims

1. A workpiece assembly device, characterized in that: include, The moving unit (100) includes a drive base (101) and a base plate (102) is movably provided on the top of the drive base (101). The installation unit (200) is disposed on the base plate (102) and includes a guide frame (201), a fixed seat (202) and a filling component (203). The guide frame (201) is fixed on the base plate (102), and the fixed seat (202) and the filling component (203) are movably disposed on the guide frame (201). The workpiece (A) is fixed on the fixed seat (202) and the workpiece (A) is stored in the filling component (203). A clamping unit (300) includes a drive cylinder (301) and a clamping head (302). The clamping head (302) is fixed on the piston rod of the drive cylinder (301) and is used to assemble the workpiece (A).

2. The workpiece assembly device according to claim 1, characterized in that: It also includes an operating platform (400), on which a mounting bracket (401) is fixedly connected. The drive cylinder (301) is fixed on the mounting bracket (401), and the clamping head (302) faces the operating platform (400). The drive seat (101) is fixedly connected to the upper surface of the operating platform (400). The drive seat (101) includes a base (101a) and a movable seat (101b) movably fixed on its top. A drive motor (101c) is fixed to the side wall of the base (101a). A lead screw is fixedly connected to the output shaft of the drive motor (101c). The movable seat (101b) is threaded onto the lead screw.

3. The workpiece assembly device according to claim 1 or 2, characterized in that: The base plate (102) includes a butt plate (102a) and snap-fit ​​spring plates (102b) symmetrically fixed on its top, and the guide frame (201) is fixedly disposed between the snap-fit ​​spring plates (102b); The snap-fit ​​spring plate (102b) includes a first connecting plate (102b-1) and a limiting spring plate (102b-2) disposed on its top. A first spring (T1) is fixedly connected between the first connecting plate (102b-1) and the limiting spring plate (102b-2). A pressing plate (102b-3) is fixedly connected to the side wall of the limiting spring plate (102b-2). The limiting spring plate (102b-2) is also symmetrically provided with snap-fit ​​grooves (102b-2a).

4. The workpiece assembly device according to claim 3, characterized in that: The guide frame (201) is symmetrically fixedly connected with a first slide rail (201a), and the fixed seat (202) is slidably fixed on the first slide rail (201a); The top of the fixed base (202) is fixedly connected to a mounting boss (202a) and a lifting member (202b). The lifting member (202b) includes a second connecting plate (202b-1) and a lifting plate (202b-2) fixed at its top. The lifting plate (202b-2) includes symmetrically arranged main support plates (202b-2a). An auxiliary plate (202b-2b) is fixedly connected between the main support plates (202b-2a). A vertical beam (202b-2c) is fixed between the auxiliary plate (202b-2b) and the second connecting plate (202b-1). A second spring (T2) is fixed on the side of the vertical beam (202b-2c) near the mounting boss (202a).

5. The workpiece assembly device according to claim 4, characterized in that: The top array of the mounting boss (202a) is provided with several sets of mounting grooves (202a-1), and a release groove (202a-2) is also provided in the direction perpendicular to the groove line of the mounting groove (202a-1). The depth of the release groove (202a-2) is greater than the depth of the mounting groove (202a-1). An upward pusher (202a-3) is slidably engaged within the release groove (202a-2), and a lower embedding groove (202a-4) is also provided in the direction parallel to the release groove (202a-2), the depth of the lower embedding groove (202a-4) being greater than the depth of the mounting groove (202a-1).

6. The workpiece assembly device according to claim 4 or 5, characterized in that: The top of the fixed base (202) is also slidably provided with a limiting slide (202c), and the limiting slide (202c) is slidably engaged with the mounting boss (202a); One end of the limiting slide (202c) is fixedly connected to an extrusion plate (202c-1), and the top of the limiting slide (202c) is also fixedly connected to a bulletproof plate (202c-2). The bottom end of the bulletproof plate (202c-2) is provided with an array of several sets of pressure pads (202c-2a), and the pressure pads (202c-2a) correspond to the positions of the mounting grooves (202a-1). The extrusion plate (202c-1) abuts against the end of the second spring (T2).

7. The workpiece assembly device according to claim 5, characterized in that: The pusher (202a-3) includes a movable plate (202a-3a), with auxiliary push blocks (202a-3b) and spring-loaded connecting plates (202a-3c) fixed at both ends of the movable plate (202a-3a). The movable plate (202a-3a) is slidably engaged with the release groove (202a-2). The top array of the movable plate (202a-3a) has several sets of upward-pushing inclined blocks (202a-3d), and the position and number of the upward-pushing inclined blocks (202a-3d) correspond to the mounting slot (202a-1); The release groove (202a-2) is further fixed on the fixed seat (202) at the end away from the auxiliary push block (202a-3b) with a spring-loaded component (202d). The spring-loaded component (202d) includes a third connecting plate (202d-1) and a third spring (T3) fixed on its side wall. The other end of the third spring (T3) is fixed to the spring-loaded connecting plate (202a-3c).

8. The workpiece assembly apparatus according to any one of claims 4, 5 and 7, characterized in that: The top two ends of the fixed base (202) are also symmetrically fixed with handrails (202e). At the bottom of the fixed base (202) corresponding to the handrails (202e), there is also a locking block (202e-1). The locking block (202e-1) is slidably inserted into the slot (102b-2a).

9. The workpiece assembly apparatus according to any one of claims 4, 5 and 7, characterized in that: The filling assembly (203) includes symmetrically arranged support beams (203a), which are symmetrically fixedly connected to the docking plate (102a). A second guide rail (203b) is fixedly connected between the support beams (203a), and a filling box (203c) is slidably connected to the second guide rail (203b). The filling box (203c) includes several sets of placement boxes (203c-1) arranged in an array. The top and bottom of each placement box (203c-1) are open. A synchronization baffle (203c-2) is fixed between each placement box (203c-1). Each set of placement boxes (203c-1) contains several sets of workpieces (A).

10. The workpiece assembly device according to claim 9, characterized in that: The top of the filling box (203c) is fixedly connected to a lower pressure sealing plate (203c-3), the bottom end of the lower pressure sealing plate (203c-3) is fixedly connected to a fourth spring (T4), the end of the fourth spring (T4) is fixedly connected to a synchronous push plate (203c-4), the synchronous push plate (203c-4) can slide inside the filling box (203c), and the top of the lower pressure sealing plate (203c-3) is also fixedly connected to a support block (203c-3a). The bottom of the filling box (203c) is provided with a partition gap (203c-1a), and a partition plate (203a-1) is fixed on one side of the support beam (203a). The partition plate (203a-1) is slidably inserted into the partition gap (203c-1a).

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