Small-batch multi-variety electrolytic capacitor aluminum shell automatic production line rapid change device and method thereof

Abstract

The present application relates to the technical field of aluminum shell production equipment, in particular to a small-batch multi-variety electrolytic capacitor aluminum shell automatic production line quick change device and method thereof, comprising a cold pressing system and a horizontal moving assembly horizontally arranged in the production line, the horizontal moving assembly comprising a cylinder, a bearing table arranged on the outer wall of the horizontal moving assembly, a bottom die fixed on the bearing table, and a change mechanism driven by the cylinder. The small-batch multi-variety electrolytic capacitor aluminum shell automatic production line quick change device and method thereof drive the horizontal plate and the multiple insert blocks distributed in the circumference to move synchronously in the radial direction through the transmission part composed of a round pipe, a slide rod and a screw, and form rigid engagement with the limiting groove of the bottom die. Through the multi-point synchronous radial locking structure, the problems of uneven locking force, poor impact resistance and low efficiency depending on manual operation in the traditional way are solved, and the rigidity, quickness and automation of the mold fixing are realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aluminum shell production equipment, in particular to a small-batch multi-variety electrolytic capacitor aluminum shell automatic production line rapid model changing device and method. BACKGROUND

[0002] The small-batch multi-variety electrolytic capacitor aluminum shell automatic production line rapid model changing device is a key equipment to adapt to flexible manufacturing needs. It realizes rapid switching of different specifications of aluminum shell production tasks through modular clamp design, standardized positioning mechanism and intelligent control system, thereby improving equipment utilization and production response speed, effectively solving the efficiency and cost problems brought by multi-variety and small-batch orders, and providing strong support for capacitor manufacturing enterprises to enhance market competitiveness.

[0003] The patent with application number CN202411561179.8 discloses a cylindrical capacitor shell forming device and forming process, which comprises a workbench, a convex mold is arranged at the top of the fixing frame, the output end of the electric push rod penetrates through the bearing frame and is fixedly connected with a concave mold, the top end of the concave mold is fixedly connected with an oil storage box, a extrusion plate is slidably connected in the concave mold, and a plurality of fixedly connected oil supply pipes are embedded in the edge of the extrusion plate. When the extrusion forming work is carried out, the extrusion plate drives the oil supply pipes to extend into the oil storage box. At this time, the lubricating oil in the oil storage box can flow to the inner wall of the concave mold through the oil supply pipes, reducing the friction between the concave mold and the metal plate.

[0004] However, the existing electrolytic capacitor aluminum shell production equipment generally adopts a single-point bolt locking method in the mold fixing link, which has the problems of uneven locking force distribution and poor impact resistance, resulting in displacement of the mold during long-term production and affecting product quality. In addition, during the mold changing process, the mold disassembly, handling and positioning installation are completely dependent on manual operation, which has the problems of frequent human-machine interaction, low mold changing efficiency and operation safety hazards, thereby restricting the production flexibility under the small-batch multi-variety production mode.

[0005] In view of this, we propose a small-batch multi-variety electrolytic capacitor aluminum shell automatic production line rapid model changing device and method. SUMMARY

[0006] The purpose of the present application is to provide a small-batch multi-variety electrolytic capacitor aluminum shell automatic production line rapid model changing device and method. Through the transmission part, the driving of the horizontal plate and the synchronous radial movement of the plurality of plug-in blocks distributed in the circumferential direction, the rigid engagement with the limiting groove of the bottom mold is formed, and the multi-point synchronous radial locking structure is realized, so as to solve the problems raised in the above background technology.

[0007] To achieve the above purpose, on the one hand, the present application provides the following technical scheme:

[0008] The small-batch multi-variety electrolytic capacitor aluminum shell automatic production line rapid model changing device comprises a cold pressing system and a horizontal moving assembly horizontally arranged in the production line, the horizontal moving assembly comprises a gas cylinder, a bearing table arranged on the outer wall of the horizontal moving assembly, a bottom die fixed on the bearing table and a model changing mechanism driven by the gas cylinder.

[0009] The bearing table comprises a reinforcing plate, a pair of transmission parts arranged in the reinforcing plate, a horizontal plate driven by the transmission parts and a plurality of plug blocks moving with the horizontal plate.

[0010] The transmission part comprises a round pipe, a sliding rod rotating with the round pipe and a screw rod sleeved outside the sliding rod.

[0011] Through the above arrangement, the rotating sliding rod drives the screw rod to move horizontally, drives the horizontal plate to move, adjusts the positions of the plurality of plug blocks and realizes the locking control of the bottom die.

[0012] The model changing mechanism comprises an electric push rod, a push plate driven by the electric push rod, a protruding rod arranged on the upper and lower ends of the push plate, a pair of parallel plug rods and a driver for driving the round pipe to rotate, and the top surface of one end of the plug rod is provided with an inclined groove.

[0013] Through the above arrangement, when the model changing mechanism moves to the outside of the bearing table, the plug rod is inserted into the bottom die, the push plate moves horizontally, the protruding rod moves along the inclined groove, the plug rod is driven to displace and the bottom die is removed from the bearing table.

[0014] In the technical scheme of the present application, the horizontal moving assembly further comprises a fixed table fixed on the frame in the production line and a pair of guide rails fixedly connected to the outer wall of the fixed table by screws, and the gas cylinder is fixedly connected to the outer wall of the fixed table by bolts.

[0015] Through the above arrangement, the movement basis of the model changing mechanism is constructed, accurate positioning is realized through the driving of the gas cylinder and a stable execution platform is provided for the subsequent dismounting and mounting operation.

[0016] In the technical scheme of the present application, a placing groove for placing the bottom die is formed in the rear wall of the reinforcing plate, a plurality of through holes communicating with the placing groove are formed in the internal space of the reinforcing plate, a plurality of sliding grooves communicating with the placing groove are formed in the front wall of the reinforcing plate, a ring plate is clamped to the front wall of the reinforcing plate and two partition plates are welded in the internal space.

[0017] In the technical scheme of the present application, the round pipe is rotationally connected to the outer wall of the reinforcing plate, a plurality of grooves are formed in the inner side of the pipe wall of the end portion of the round pipe, the sliding rod is welded to the end portion of the round pipe, and the screw rod is threadedly connected to the outer partition plate in the internal space of the reinforcing plate and slides outside the sliding rod.

[0018] The technical scheme of the present application is characterized in that the horizontal plate is slid between two partition plates, the two ends of the horizontal plate are clamped with telescopic rods whose other ends are clamped and fixed with the inner partition plates, the outer side of the telescopic rod is sleeved with a first spring, the plug block is slidably connected in the inner side of the through hole, the front wall of the plug block is further clamped with a push rod whose end passes through the sliding slot, the transmission part further comprises a rotating disc which is rotated in the ring plate, a plurality of push grooves are formed in the rotating disc for the push rod to pass through, and the end of the plug block close to the horizontal plate is fixedly connected with the horizontal plate through bolts.

[0019] The above arrangement realizes multi-point synchronous locking and releasing through the linkage of the transmission part and the plug block, and provides a reliable positioning and fixing solution for rapid mold changing.

[0020] In the technical scheme of the present application, a plurality of limiting grooves corresponding to the positions of the plug blocks and matching in size are formed in the outer ring wall of the bottom die, and a left-right through plug slot is formed in the upper and lower ends of the rear wall of the bottom die.

[0021] This arrangement realizes the function of locking and changing, and provides a necessary structural interface for the accurate positioning and automatic disassembly of the mold.

[0022] In the technical scheme of the present application, the mold changing mechanism further comprises a moving table, the outer wall of the moving table is fixedly connected with the end of the telescopic rod of the air cylinder through bolts, a through slot is formed in the left side and the rear wall of the outer wall of the moving table, the moving table is L-shaped in transverse section and two square plates are welded on the inner wall, and a sliding block is welded on the end of the moving table and slides in the guide rail.

[0023] In the technical scheme of the present application, the electric push rod is fixedly connected on the inner wall of the moving table through a screw, the push plate is clamped and fixed on the end of the telescopic rod of the electric push rod, the convex rod is fixedly welded with the push plate, the plug rod slides in the inner side of the through slot, the end of the plug rod extends into the plug slot and a square groove is formed in the outer wall of the end, the convex strip with arc chamfer is slidably connected in the square groove, and a plurality of second springs are welded on the inner wall of the convex strip and fixed with the inner wall of the square groove.

[0024] The above arrangement converts the transverse pushing force of the electric push rod into the longitudinal ejection force of the bottom die through the inclined slot transmission, and realizes the automatic operation of the stable disassembly of the bottom die from the bearing table.

[0025] In the technical scheme of the present application, the driver comprises a motor fixedly connected to the top surface of the moving table through a screw, a rotating shaft coaxially connected to the output shaft of the motor and extending to the bottom surface of the moving table, a pair of main bevel gears clamped to the outer wall of the rotating shaft, a pair of secondary bevel gears vertically distributed and engaged with the main bevel gears, and a connecting rod clamped to the inner part of the secondary bevel gear and extending to the outside of the moving table, a slot is formed in the end of the connecting rod, and a plug bar with a size matching that of the slot is slidably connected to the slot, a plurality of third springs are welded to the inner wall of the inner wall of the plug bar.

[0026] This arrangement realizes reliable power transmission and rapid docking, and provides a core power source for the locking action.

[0027] In another aspect, the present application also provides a rapid model changing method for an automatic production line of small-batch multi-variety electrolytic capacitor aluminum shells, comprising the following steps:

[0028] S1, first, when it is necessary to rapidly change the aluminum shell mold of the automatic production line, the production line is stopped, the cylinder of the transverse moving assembly is controlled, and the whole changing mechanism is driven to move to a predetermined position outside the bearing table, at this time, the end of the plug rod in the changing mechanism is accurately inserted into the T-shaped slot of the bottom mold, and the end of the connecting rod of the driver is simultaneously inserted into the circular pipe of the transmission part, under the elastic force of the third spring, the end of the plug bar is automatically embedded into the groove in the inner wall of the circular pipe, and a power transmission connection is formed;

[0029] S2, subsequently, the motor of the driver is started, the rotating shaft is driven to rotate, the two connecting rods are synchronously driven to rotate through the meshing transmission of the main bevel gears and the secondary bevel gears, and the circular pipe and the slide rod fixed thereon are synchronously driven to rotate through the cooperation of the connecting rods and the grooves and the plug bars;

[0030] S3, the rotating slide rod drives the screw matched therewith to move outward under the action of the threads of the outer side partition plate, the limiting of the horizontal plate is released, at this time, the first spring built-in is released from the elastic potential energy, the horizontal plate is pushed to displace away from the bottom mold, the plug block fixedly connected to the horizontal plate is retracted into the placement slot from the limiting slot of the bottom mold, and the remaining plug blocks are synchronously retracted through the rotation of the turntable driven by the movement of the lever in the slot of the turntable, so that the circumferential locking of the bottom mold is released;

[0031] S4, then, the electric push rod is controlled to act, the push plate is pushed to move rightwards, the convex rod on the push plate is moved along the inclined slot at the end of the plug rod, the horizontal movement is converted into the vertical displacement of the plug rod, the plug rod is moved backward in the through slot, the bottom mold is smoothly pushed out of the placement slot of the reinforcing plate, and the disassembly of the bottom mold is completed.

[0032] S5, then, the control cylinder drive change type mechanism with the removed bottom die away from the working area of the cold pressing system, the bottom die is taken out from the automatic production line of aluminum shell, the subsequent operator replaces the new bottom die, then according to the reverse order of S4 to S1, reverse operation, the electric push rod is retracted, the new bottom die is placed in the placement groove through the inserting rod, and the driver is reversed, the inserting block is reset and locked, so that the quick installation and fixation of the new mold are completed, and the production line operation is restored.

[0033] Compared with the prior art, the beneficial effects of the present application are:

[0034] 1. The small-batch multi-variety electrolytic capacitor aluminum shell automatic production line quick change device and method, the transmission part composed of a circular tube, a slide rod and a screw rod is driven to drive the radial synchronous movement of the horizontal plate and the plurality of inserting blocks distributed in the circumference, and the limiting groove of the bottom die is formed rigidly engaged, the multi-point synchronous radial locking structure solves the problems of uneven locking force, poor impact resistance and low efficiency of manual operation in the traditional way, realizes the rigidity, quickness and automation of mold fixation.

[0035] 2. The small-batch multi-variety electrolytic capacitor aluminum shell automatic production line quick change device and method, by integrating the driver, the electric push rod and the inserting rod with the inclined groove, a change mechanism integrating power docking, locking release and mold ejection functions is constructed, the seamless transmission of power is realized by using bevel gear transmission and elastic insertion, and the horizontal thrust is converted into accurate ejection force by means of the inclined groove, realizing the full-process automation from power docking to mold removal, solving the problems of frequent human-machine interaction and safety hazards in the traditional mold changing process. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0037] Figure 2 It is a schematic diagram of the partial structure of the present application;

[0038] Figure 3 It is a schematic diagram of the structure of the bearing table in the present application;

[0039] Figure 4 It is a schematic diagram of the structure of the reinforcing plate in the present application;

[0040] Figure 5 It is a schematic diagram of the structure of the transmission part in the present application;

[0041] Figure 6 It is a schematic diagram of the partial structure of the bearing table in the present application;

[0042] Figure 7 It is a schematic diagram of the structure of the turntable in the present application;

[0043] Figure 8 is a structure sectional view of the bottom die in the present application;

[0044] Figure 9 is a structure sectional view of the bottom die in the present application;

[0045] Figure 10 is a structure sectional view of the bottom die in the present application;

[0046] Figure 11 is a structure sectional view of the bottom die in the present application;

[0047] Figure 12 is a structure sectional view of the bottom die in the present application;

[0048] Figure 13 is a structure sectional view of the bottom die in the present application;

[0049] BRIEF DESCRIPTION OF DRAWINGS

[0050] 100, cold pressing system;

[0051] 200, horizontal moving assembly; 210, fixed table; 220, guide rail; 230, air cylinder;

[0052] 300, bearing table; 310, reinforcing plate; 311, placing groove; 312, through hole; 313, sliding groove; 314, ring plate; 315, partition plate; 320, transmission part; 321, circular tube; 3210, groove; 322, sliding rod; 323, screw rod; 330, horizontal plate; 340, telescopic rod; 350, first spring; 360, insertion block; 370, lever; 380, rotating disc; 381, lever groove;

[0053] 400, bottom die; 410, limiting groove; 420, insertion groove;

[0054] 500, shape changing mechanism; 510, moving table; 511, through groove; 512, square plate; 513, sliding block; 520, electric push rod; 530, push plate; 540, protruding rod; 550, insertion rod; 551, inclined groove; 552, square groove; 560, protruding strip; 570, second spring; 580, driver; 581, motor; 582, rotating shaft; 583, main bevel gear; 584, auxiliary bevel gear; 585, connecting rod; 586, insertion strip; 587, third spring. DETAILED DESCRIPTION

[0055] The technical solutions in the present application will be described clearly and completely below in combination with the drawings in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the present application.

[0056] Referring to Figures 1-2 As shown in the accompanying drawings, the embodiment provides technical solutions:

[0057] The small-batch multi-variety electrolytic capacitor aluminum shell automatic production line rapid model changing device comprises a cold pressing system 100 and a transverse moving assembly 200 arranged horizontally in the production line, the transverse moving assembly 200 comprises a gas cylinder 230, a bearing table 300 arranged on the outer wall of the transverse moving assembly 200, a bottom die 400 fixed on the bearing table 300, and a model changing mechanism 500 driven by the gas cylinder 230.

[0058] Specifically, the transverse moving assembly 200 further comprises a fixed table 210 fixed on the internal frame of the production line and a pair of guide rails 220 fixedly connected to the outer wall of the fixed table 210 by screws, and the gas cylinder 230 is fixedly connected to the outer wall of the fixed table 210 by bolts.

[0059] Further, the fixed table 210 is used to provide a fixed platform for the guide rails 220 and the gas cylinder 230, and the position of the model changing mechanism 500 on the guide rails 220 is adjusted after the gas cylinder 230 is started, which builds the movement basis of the model changing mechanism 500 and realizes accurate positioning through the driving of the gas cylinder 230, thereby providing a stable execution platform for subsequent disassembly and installation operations.

[0060] Referring to Figures 3-7 In the embodiment, the bearing table 300 comprises a reinforcing plate 310, a pair of transmission parts 320 arranged in the reinforcing plate 310, a horizontal plate 330 driven by the transmission parts 320, and a plurality of plug blocks 360 moving with the horizontal plate 330.

[0061] Specifically, the transmission part 320 comprises a circular tube 321, a sliding rod 322 rotating with the circular tube 321, and a screw rod 323 sleeved outside the sliding rod 322, the rotating sliding rod 322 drives the screw rod 323 to move horizontally, thereby driving the horizontal plate 330 to move and adjusting the positions of the plurality of plug blocks 360, so as to realize the locking control of the bottom die 400.

[0062] Further, a placing groove 311 for placing the bottom die 400 is formed in the rear wall of the reinforcing plate 310, a plurality of through holes 312 communicating with the placing groove 311 are formed in the internal space of the reinforcing plate 310, a plurality of sliding grooves 313 communicating with the placing groove 311 are formed in the front wall of the reinforcing plate 310, a ring plate 314 is clamped on the front wall of the reinforcing plate 310, and two partition plates 315 are welded in the internal space of the reinforcing plate 310.

[0063] Further, the circular tube 321 is rotationally connected to the outer wall of the reinforcing plate 310, recesses 3210 are formed in the inner side of the tube wall at the end of the circular tube 321, the slide rod 322 is welded at the end of the circular tube 321, and the screw rod 323 is threadedly connected with the outer side of the partition plate 315 inside the reinforcing plate 310 and slides outside the slide rod 322.

[0064] Further, the cross plate 330 slides between the two partition plates 315, the two ends of the cross plate 330 are clamped with telescopic rods 340, the other ends of which are clamped and fixed with the inner partition plate 315, the first spring 350 is sleeved outside the telescopic rod 340, the plug block 360 is slidingly connected inside the through hole 312, the front wall of the plug block 360 is further clamped with the push rod 370, the end of which passes through the sliding groove 313, the transmission part 320 further comprises a rotating disc 380 which rotates in the ring plate 314, a plurality of push grooves 381 are formed in the rotating disc 380 for the push rod 370 to pass through, and the end of the plug block 360 close to the cross plate 330 is fixedly connected with the cross plate 330 through a bolt.

[0065] Further, the placement slot 311 in the reinforcing plate 310 is used to provide a placement interval for the bottom die 400, the through hole 312 is used to facilitate the sliding of the plug block 360, the sliding groove 313 is used to limit the sliding interval of the push rod 370, the ring plate 314 is used to limit the rotation interval of the rotating disc 380, the rotating slide rod 322 in the transmission part 320 drives the screw rod 323 cooperating therewith to move outward under the action of the thread of the outer partition plate 315, thereby releasing the limitation of the cross plate 330, at this time, the built-in first spring 350 releases the elastic potential energy to push the cross plate 330 to displace away from the bottom die, the plug block 360 fixedly connected with the cross plate 330 is driven to move away from the bottom die 400, and at the same time, through the movement of the push rod 370 in the push groove 381 of the rotating disc 380, the rotating disc 380 is rotated to drive the remaining plug blocks 360 to shrink synchronously, thereby releasing the circumferential locking of the bottom die 400, this setting realizes the linkage of the transmission part 320 and the plug block 360 to achieve multi-point synchronous locking and releasing, thereby providing a reliable positioning and fixing solution for rapid mold changing.

[0066] Please refer to Figure 8 In the embodiment, a plurality of limiting grooves 410 corresponding in position and matching in size with the plug blocks 360 are formed in the outer ring wall of the bottom die 400, and a left-right through insertion groove 420 is formed in the upper and lower ends of the rear wall of the bottom die 400, the horizontal cross section of the insertion groove 420 is T-shaped.

[0067] Further, the hole in the center of the outer wall of the bottom die 400 is used to place the aluminum sheet for making the aluminum shell, the limiting groove 410 is used to cooperate with the plug block 360 to limit the position of the bottom die 400, and the insertion groove 420 is used to provide a placement interval for the equipment in the mold changing mechanism 500, this setting realizes the functional docking of locking and mold changing, thereby providing a necessary structural interface for the precise positioning and automatic disassembly of the mold.

[0068] Please see Figures 9-12 As shown, in this embodiment, the molding mechanism 500 includes an electric push rod 520, a push plate 530 driven by the electric push rod 520, protruding rods 540 disposed at the upper and lower ends of the push plate 530, a pair of parallel insert rods 550, and a driver 580 for driving the round tube 321 to rotate. One end of the insert rod 550 has a groove 551 on its top surface. When the molding mechanism 500 moves to the outside of the support platform 300, the insert rod 550 is inserted into the bottom mold 400. After the push plate 530 moves laterally, the protruding rod 540 moves along the groove 551. After driving the insert rod 550 to move, the bottom mold 400 is removed from the support platform 300.

[0069] Specifically, the changing mechanism 500 also includes a moving table 510. The outer wall of the moving table 510 is fixedly connected to the end of the telescopic rod of the cylinder 230 by bolts. The left and rear walls of the outer wall of the moving table 510 are provided with through slots 511 that pass through the inside and outside. The transverse cross section of the moving table 510 is L-shaped and two square plates 512 are welded to the inner wall. A slider 513 that slides in the guide rail 220 is welded to the end of the moving table.

[0070] Furthermore, the electric actuator 520 is fixedly connected to the inner wall of the moving platform 510 by screws, the push plate 530 is snapped and fixed to the end of the telescopic rod of the electric actuator 520, the protruding rod 540 is welded and fixed to the push plate 530, the insert rod 550 slides inside the through groove 511, the end of the insert rod 550 extends into the slot 420 and a square groove 552 is provided on the outer wall of the end, the square groove 552 is slidably connected to the protruding strip 560 with arc-shaped chamfers at both ends, and several second springs 570 are welded and fixed to the inner wall of the square groove 552 on the inner wall of the protruding strip 560.

[0071] Furthermore, by controlling the movement of the electric actuator 520, the push plate 530 is pushed to the right, causing the protruding rod 540 on the push plate to move along the inclined groove 551 at the end of the insert rod 550. This converts the lateral movement into the longitudinal displacement of the insert rod 550, allowing the insert rod 550 to move backward within the through groove 511. This smoothly ejects the bottom mold 400 from the placement groove 311 of the reinforcing plate 310, completing the disassembly of the bottom mold 400. This setting, through the inclined groove transmission, converts the lateral thrust of the electric actuator 520 into the longitudinal ejection force of the bottom mold 400, realizing the automated operation of smoothly disassembling the bottom mold 400 from the support platform 300.

[0072] Please see Figure 13As shown, in the embodiment, the driver 580 comprises a motor 581 fixedly connected to the top surface of the moving table 510 by a screw, a rotating shaft 582 coaxially connected to the output shaft of the motor 581 and extending to the bottom surface of the moving table 510, a pair of main bevel gears 583 clamped to the outer wall of the rotating shaft 582, a pair of auxiliary bevel gears 584 vertically distributed and engaged with the main bevel gears 583, and connecting rods 585 clamped to the inner part of the auxiliary bevel gears 584 and extending to the outside of the moving table 510, a slot is formed in the end of each connecting rod 585, and an insertion bar 586 with a size matching that of the slot 3210 is slidably connected in the slot, and a plurality of third springs 587 are welded to the inner wall of the insertion bar 586 and fixedly connected to the end of the connecting rod 585.

[0073] Further, the motor 581 of the driver 580 is started to drive the rotating shaft 582 to rotate, the main bevel gears 583 and the auxiliary bevel gears 584 are engaged to drive the two connecting rods 585 to synchronously rotate, the connecting rods 585 are driven to synchronously rotate the circular tube 321 and the slide rod 322 fixedly connected thereto through the cooperation of the insertion bar 586 and the slot 3210, and the reliable transmission and rapid docking of power are realized, and the core power source for the locking operation is provided.

[0074] The small-batch multi-specification electrolytic capacitor aluminum shell automatic production line rapid model changing method comprises the following steps:

[0075] S1, first, when it is necessary to rapidly change the aluminum shell mold of the automatic production line, the production line is stopped, the cylinder 230 of the transverse moving assembly 200 is controlled, the whole changing mechanism 500 is driven to move to a predetermined position outside the bearing table 300, at this time, the end of the insertion rod 550 in the changing mechanism 500 is accurately inserted into the T-shaped insertion slot 420 of the bottom mold 400, and the end of the connecting rod 585 of the driver 580 is synchronously inserted into the circular tube 321 of the transmission part 320, under the elastic force of the third spring 587, the end of the insertion bar 586 is automatically embedded in the slot 3210 in the inner wall of the circular tube 321 to form a power transmission connection;

[0076] S2, subsequently, the motor 581 of the driver 580 is started to drive the rotating shaft 582 to rotate, the main bevel gears 583 and the auxiliary bevel gears 584 are engaged to drive the two connecting rods 585 to synchronously rotate, the connecting rods 585 are driven to synchronously rotate the circular tube 321 and the slide rod 322 fixedly connected thereto through the cooperation of the insertion bar 586 and the slot 3210;

[0077] S3, the rotating slide rod 322 drives the screw rod 323 matched with it, so that the screw rod 323 moves outward under the thread action of the outer partition plate 315, and the limiting of the horizontal plate 330 is released. At this time, the built-in first spring 350 releases the elastic potential energy, pushes the horizontal plate 330 to displace away from the bottom die direction, drives the plug-in block 360 fixedly connected with the horizontal plate 330 to shrink from the limiting groove 410 of the bottom die 400 to the inside of the placement groove 311, and simultaneously drives the rotating disc 380 to rotate through the movement of the lever 370 in the rotating groove 381 of the rotating disc 380, and then drives the remaining plug-in blocks 360 to shrink synchronously, so that the circumferential locking of the bottom die 400 is released.

[0078] S4, then, the electric push rod 520 is controlled to act, the push plate 530 is pushed to move rightwards, the convex rod 540 on the push plate is moved along the inclined groove 551 at the end of the plug-in rod 550, the horizontal movement is converted into the longitudinal displacement of the plug-in rod 550, the plug-in rod 550 is moved backward in the through groove 511, the bottom die 400 is smoothly pushed out from the placement groove 311 of the reinforcing plate 310, and the disassembly of the bottom die 400 is completed.

[0079] S5, then, the air cylinder 230 is controlled to drive the changed type mechanism 500 to carry the disassembled bottom die 400 away from the working area of the cold pressing system 100, the bottom die 400 is taken out from the automatic production line of the aluminum shell, the subsequent operator replaces the new bottom die 400, and then the reverse operation is performed according to the reverse order of S4 to S1, the electric push rod 520 is withdrawn, the new bottom die 400 is placed back into the inside of the placement groove 311 through the plug-in rod 550, and the plug-in block 360 is reset and locked through the reverse operation of the driver 580, so that the quick installation and fixation of the new mold are completed, and the production line operation is restored.

[0080] The foregoing description of specific exemplary embodiments of the application is intended to be illustrative only and is not intended to limit the application to the precise forms described. Many modifications and variations are possible in light of the above teachings without departing from the spirit or essential characteristics of the application. The exemplary embodiments were chosen and described in order to explain the principles of the application and its practical application to thereby enable others skilled in the art to best utilize the application and various embodiments with various modifications as are suited to the particular use contemplated. It is intended that the scope of the application be defined by the claims and their equivalents.

Claims

1. A quick changeover device for a small-batch multi-variety electrolytic capacitor aluminum shell automatic production line, comprising a cold pressing system and a transverse moving assembly horizontally arranged in the production line, the transverse moving assembly comprising a pneumatic cylinder, characterized in that: The device comprises a bearing table arranged on the outer wall of the horizontal moving assembly, a bottom die fixed on the bearing table, and a type changing mechanism driven by a gas cylinder. The bearing table comprises a reinforcing plate, a pair of transmission parts arranged inside the reinforcing plate, a horizontal plate driven by the transmission parts, and a plurality of insertion blocks moving with the horizontal plate. The transmission part comprises a circular tube, a sliding rod rotating with the circular tube, and a screw rod sleeved outside the sliding rod. The sliding rod drives the screw rod to move horizontally, and then drives the horizontal plate to move, so as to adjust the position of the plurality of insertion blocks and realize the locking control of the bottom die. The type changing mechanism comprises an electric push rod, a push plate driven by the electric push rod, a protruding rod arranged on the upper and lower ends of the push plate, a pair of parallel insertion rods, and a driver for driving the circular tube to rotate. The insertion rod is inserted into the bottom die when the type changing mechanism moves to the outside of the bearing table. The push plate moves horizontally, and the protruding rod moves along the inclined groove to drive the insertion rod to displace, so as to remove the bottom die from the bearing table.

2. The quick changeover device of the automatic production line for small-batch multi-variety electrolytic capacitor aluminum shells according to claim 1, characterized in that: A plurality of limiting grooves corresponding to the positions of the plurality of insertion blocks are arranged on the outer ring wall of the bottom die.

3. The quick changeover device of the automatic production line for small-batch multi-variety electrolytic capacitor aluminum shells according to claim 2, characterized in that: The horizontal section of the insertion slot is in T shape.

4. The quick changeover device of the automatic production line for small-batch multi-variety electrolytic capacitor aluminum shells according to claim 3, characterized in that: A plurality of grooves are arranged on the inner side of the pipe wall of the end of the circular tube.

5. The quick changeover device of the automatic production line for small-batch multi-variety electrolytic capacitor aluminum shells according to claim 4, characterized in that: The driver comprises a motor fixed on the top surface of the moving table by screws, a rotating shaft coaxially connected to the output shaft of the motor and extending to the bottom surface of the moving table, a pair of main bevel gears clamped to the outer wall of the rotating shaft, a pair of secondary bevel gears vertically distributed and engaged with the main bevel gears, and a connecting rod clamped to the inside of the secondary bevel gear and extending to the outside of the moving table. The end of the connecting rod is slidably connected with an insertion strip matched with the size of the groove. A plurality of third springs are welded to the inner wall of the insertion strip. The horizontal moving assembly further comprises a fixed table fixed to the inner frame of the production line and a pair of guide rails fixed to the outer wall of the fixed table by screws. The gas cylinder is fixedly connected to the outer wall of the fixed table by bolts. A placing groove for placing the bottom die is arranged on the rear wall of the reinforcing plate. A plurality of through holes are arranged in the inner space of the reinforcing plate and communicate with the placing groove. A plurality of sliding grooves are arranged on the front wall of the reinforcing plate and communicate with the placing groove. A ring plate is clamped to the front wall of the reinforcing plate, and two partition plates are welded in the inner space. The circular tube is rotatably connected to the outer wall of the reinforcing plate. The sliding rod is welded to the end of the circular tube. The screw rod is threadedly connected to the outer partition plate in the inner space of the reinforcing plate and slides outside the sliding rod. The horizontal plate slides between the two partition plates. The other end of the telescopic rod is clamped and fixed to the inner partition plate. The insertion block is slidably connected to the inside of the through hole. The transmission part further comprises a rotating disc rotating in the ring plate. A plurality of insertion slots are arranged on the end of the insertion block close to the horizontal plate and are fixedly connected to the horizontal plate by bolts.

6. The quick changeover device of an automatic production line for small-batch multi-variety electrolytic capacitor aluminum shells according to claim 5, characterized in that: The changing mechanism further comprises a moving table, an outer wall of the moving table is fixedly connected with an end of the cylinder telescopic rod through bolts, an inner-outer through groove is formed in the left side and the rear wall of the outer wall of the moving table, the moving table is in L shape in transverse section and two square plates are welded on the inner wall, and a sliding block sliding in the guide rail is welded on the end of the moving table.

7. The quick changeover device of an automatic production line for small-batch multi-variety electrolytic capacitor aluminum shells according to claim 6, characterized in that: The electric push rod is fixedly connected on the inner wall of the moving table through screws, the push plate is fixedly connected on the end of the electric push rod telescopic rod through clamping, the convex rod is fixedly welded on the push plate, the inserting rod slides in the inner part of the through groove, the end of the inserting rod extends into the inserting groove and a square groove is formed on the outer wall of the end, two convex strips with arc chamfers formed on the two ends are slidingly connected in the square groove, and a plurality of second springs are welded on the inner wall of the convex strips and fixedly connected with the inner wall of the square groove.

8. The quick change method of the automatic production line for small batch and multi-variety electrolytic capacitor aluminum shell, using the quick change device of the automatic production line for small batch and multi-variety electrolytic capacitor aluminum shell according to claim 7, characterized in that: The method comprises the following steps: S1, first, when the aluminum shell mold of the automatic production line needs to be quickly changed, the production line is stopped, the cylinder of the horizontal moving assembly is controlled, the changing mechanism is driven to move to the predetermined position outside the bearing table, at this time, the end of the inserting rod in the changing mechanism is accurately inserted into the T-shaped inserting groove of the bottom mold, and the end of the connecting rod of the driver is synchronously inserted into the circular pipe of the transmission part, under the elastic force of the third spring, the end of the inserting strip is automatically embedded into the groove in the inner wall of the circular pipe to form a power transmission connection; S2, then, the motor of the driver is started, the rotating shaft is driven to rotate, the two connecting rods are synchronously rotated through the meshing transmission of the main and secondary bevel gears, and the circular pipe and the slide rod fixed thereon are synchronously rotated through the cooperation of the connecting rod and the groove; S3, the rotating slide rod drives the screw rod matched therewith to move outward under the thread action of the outer side partition plate, the limiting of the horizontal plate is released, at this time, the first spring built-in is released from the elastic potential energy, the horizontal plate is pushed to move away from the bottom mold, the inserting block fixedly connected with the horizontal plate is retracted into the placing groove from the limiting groove of the bottom mold, the dial is rotated through the movement of the lever in the dial slot, and the remaining inserting blocks are synchronously retracted, so that the circumferential locking of the bottom mold is released; S4, then, the electric push rod is controlled to act, the push plate is pushed to move rightwards, the convex rod on the push plate moves along the inclined slot at the end of the inserting rod, the horizontal movement is converted into the longitudinal displacement of the inserting rod, the inserting rod moves backward in the through groove, the bottom mold is smoothly pushed out of the placing groove of the reinforcing plate, and the disassembly of the bottom mold is completed; S5, then, the cylinder is controlled to drive the changing mechanism to move away from the working area of the cold pressing system with the disassembled bottom mold, the bottom mold is taken out of the automatic production line of the aluminum shell, after the subsequent operator replaces a new bottom mold, the reverse operation in the reverse order of S4 to S1 is performed, the new bottom mold is placed into the inner part of the placing groove through the retracting of the electric push rod and the inserting rod, and the reverse operation of the driver is performed to push the inserting block to reset and lock, so that the quick installation and fixing of the new mold are completed, and the operation of the production line is restored.

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