Toggle Switch Production Line
By designing an automated toggle switch production line, using vacuum adsorption, hydraulic drive and motor feeding technology, the assembly of shrapnel and lever, the installation of base and stainless steel, and the bending of product pins is realized, solving the problems of low manual operation efficiency and low quality in the existing technology, and achieving efficient automated production.
Patent Information
- Application Number
- CN202411846021.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2044-12-16
AI Technical Summary
During the production process of existing toggle switches, the assembly of shrapnel and lever, the installation of base and stainless steel, and the bending process of product pins mainly rely on manual operations, resulting in low production efficiency and low product quality.
A toggle switch production line is designed, including shrapnel stamping mold, shrapnel assembly module, three-in-one assembly module and cutting bending module, combining belt transmission device and robot transfer device to achieve automated assembly. This production line accurately controls the transmission and assembly of parts through technologies such as vacuum adsorption, hydraulic drive and motor discharging.
It realizes automatic production of toggle switches, improves production efficiency and product qualification rate, replaces manual operation, and improves production efficiency and quality.
Smart Images

Figure CN119314820B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of production equipment for toggle switches, and particularly to a toggle switch production line. Background Art
[0002] The production process of a toggle switch is as follows. First, a spring piece needs to be stamped by a stamping die. Then, the stamped spring piece is installed on a lever. After that, a base and a stainless steel shell are respectively assembled at both ends of the lever to form a complete toggle switch. Finally, the pins of the product are bent to complete the production and assembly of the toggle switch. During this process, the spring piece is stamped using a stamping die, while the subsequent assembly of the spring piece and the lever, the assembly of the base and the stainless steel at both ends of the lever, and the pin bending process of the product are mostly carried out manually. This not only requires a lot of effort and is very time-consuming, greatly affecting the production efficiency, but also the quality of the manually assembled products is not high, affecting the product qualification rate. Summary of the Invention
[0003] An object of the present invention is to provide a toggle switch production line. The present invention can replace manual labor to achieve automatic assembly of toggle switches, assemble multiple components to form a complete toggle switch, and has the advantages of high production efficiency and high qualification rate.
[0004] To achieve the above object, the present invention provides the following technical solution: A toggle switch production line includes an assembly platform. On the assembly platform, there are successively arranged a spring piece stamping die for stamping spring pieces, a spring piece assembly module for assembling the spring pieces on the lever, a three-in-one assembly module for assembling the base and the stainless steel at both ends of the lever with the spring piece installed thereon, and a cutting and bending module for cutting and bending the pins of the assembled product. On the assembly platform, there is also provided a belt transmission device for transporting the lever and a manipulator transfer device for transporting the lever on the belt transmission device to the three-in-one assembly module for assembly.
[0005] By adopting the above technical solution, this toggle switch production line can replace manual labor to achieve automatic assembly of toggle switches, assemble multiple components to form a complete toggle switch, and has the advantages of high production efficiency and high qualification rate.
[0006] The present invention is further configured that the spring assembly module includes a punching assembly mechanism and a spring strip conveying mechanism arranged on an assembly platform; the punching assembly mechanism includes a punching bracket, a first pressing cylinder arranged on the punching bracket, a connecting seat arranged on the protruding end of the first pressing cylinder, an upper tool seat installed on the connecting seat, a tool installed on the upper tool seat, and a lever carrier arranged under the tool for placing a lever group; the spring strip conveying mechanism includes a spring strip transmission track and a first material shifting assembly for moving the spring strip along the direction of the spring strip transmission track, a first flow channel for the product material strip is arranged in the extension direction of the spring strip transmission track, a lower tool seat is arranged on the spring strip transmission track, the lower tool seat is arranged between the tool and the lever carrier, and the lower tool seat is provided with a cutting edge for the tool to pass through to press the spring strip onto the lever group.
[0007] By adopting the above technical solution, the spring sheet material strip is placed on the first flow channel of the spring sheet material strip transmission track, and the spring sheet material strip is driven forward by the first material shifting assembly. When the spring sheet material strip is transported to the blanking mechanism area, the first downward pressing cylinder of the punching mechanism drives the connecting seat downward, the connecting seat drives the upper knife seat downward, the upper knife seat drives the tool downward, the spring sheet material strip is blanked, and the blanked spring sheet is pressed onto the lever assembly through the knife edge of the lower knife seat, so that the blanking and assembly of multiple spring sheets are completed at one time. It can replace manual assembly of the spring sheet and lever of the toggle switch, and has the advantages of high production efficiency and high qualified rate.
[0008] The present invention is further configured such that a vacuum chamber is provided in the upper tool seat, two vacuum ports for installing a vacuum joint are provided on the side of the upper tool seat, the tool is installed at the bottom of the upper tool seat, and a first vacuum hole connected to the vacuum chamber is provided at the bottom of the upper tool seat, and a second vacuum hole connected to the first vacuum hole is vertically provided on the upper edge of the tool.
[0009] By adopting the above technical solution, the independent spring pieces after punching are sucked by vacuum, so that they can be pressed onto the lever assembly accurately and stably.
[0010] The present invention is further configured such that a plurality of lower guide holes are provided through the bottom of the tool, an upper guide hole is provided at one end of the lower guide hole close to the upper tool seat, a limiting step is formed between the upper guide hole and the lower guide hole, a pressure block for compressing the spring sheet material strip is provided through the lower guide hole, one end of the pressure block extending into the upper guide hole is provided with a limiting flange which forms a travel limit with the limiting step when descending, and a first elastic member is also provided in the upper guide hole to provide a downward pre-tightening force to the pressure block.
[0011] By adopting the above technical solution, when the spring sheet material strip is punched, the upper tool holder drives the tool to descend, the pressure block first presses the elastic material strip, and then the tool continues to descend until the spring sheet is punched and cut. It can ensure the stable positioning of the spring sheet material strip when punching the spring sheet, which is more conducive to the cutting of the spring sheet.
[0012] The present invention is further configured such that the tool comprises a plurality of cutter units connected in parallel, and the upper guide hole and the lower guide hole are provided between every two connected cutter units for installing the pressing block.
[0013] By adopting the above technical solution, the disassembly and assembly operations of the pressing blocks are greatly facilitated.
[0014] The present invention is further configured such that the side of the upper tool seat is connected to a plurality of first 匚-shaped connecting members by fasteners, the bottom of the first 匚-shaped connecting members extends inward to support the spring sheet material belt transmission track, and a movable gap is provided between the spring sheet material belt transmission track and the upper tool seat.
[0015] By adopting the above technical solution, a movable gap is set between the spring sheet material belt transmission track and the upper knife seat to provide space for relative movement between the two, which can ensure that the spring sheet material belt is pressed tightly before punching the spring sheet.
[0016] The present invention is further configured such that a plurality of first guide pillars extending vertically are provided on the assembly platform, and a plurality of first guide sleeves matching with the first guide pillars are provided on the upper tool holder.
[0017] By adopting the above technical solution, the stability of the upper knife seat's up and down movement can be improved.
[0018] The present invention is further configured such that the first material shifting assembly includes a first material shifting motor installed on a spring-type material belt transmission track and a plurality of first ratchets interlockingly connected to a motor shaft of the first material shifting motor and used to cooperate with positioning holes on the spring-type material belt.
[0019] By adopting the above technical solution, the first ratchet wheel is driven to rotate by the first material shifting motor, and the spring sheet material belt is dragged to move forward stably, and the stroke control is precise.
[0020] The present invention is further configured such that a first cover plate is also installed on the spring sheet material belt transmission track, and a first through hole for the first ratchet wheel to pass through is provided on the first cover plate.
[0021] By adopting the above technical solution, the spring sheet material strip can be limited so that it is always positioned in the first flow channel during the stable transmission process.
[0022] The present invention is further configured such that the three-in-one assembly module includes a lower die mechanism and an upper die mechanism disposed on an assembly platform; the lower die mechanism includes a lower die frame, a cutter seat disposed on the lower die frame, a carrier disposed on the lower die frame above the cutter seat for positioning a dial rod group, a lower die transfer track disposed on the lower die frame below the cutter seat for transferring a stainless steel shell strip, a lower die dialing component disposed on the lower die transfer track for driving the stainless steel shell strip to move, a hydraulic cylinder disposed in the assembly platform, a lower die lifting plate disposed on the extending end of the hydraulic cylinder, and a plurality of cutters mounted on the lower die lifting plate, and a plurality of cutter holes for the cutters to pass through are provided on the cutter seat; the upper die mechanism includes an upper die frame, a second downward pressing cylinder disposed on the upper die frame, an upper die lifting plate disposed on the extending end of the second downward pressing cylinder, an upper die transfer track disposed below the upper die lifting plate for transferring a base strip, an upper die dialing component disposed on the upper die transfer track for driving the base strip to move, and a plurality of ejector pins mounted on the upper die lifting plate for positioning the base strip, and a plurality of first pin holes for the ejector pins to pass through are provided on the upper die transfer track; when the hydraulic cylinder drives the lower die lifting plate to move upward and the second downward pressing cylinder drives the upper die lifting plate to move downward, the cutters cut off the corresponding stainless steel shell and the dial rod and push them onto the base strip.
[0023] By adopting the above technical solution, the stainless steel shell strip is placed on the lower die transfer track, and the lower die dialing component drives the stainless steel shell strip to move forward. The base strip is placed on the upper die transfer track, and the upper die dialing component drives the base strip to move forward. When the corresponding units of the stainless steel shell strip and the base strip are respectively conveyed below and above the carrier equipped with the dial rod group, the hydraulic cylinder drives the lower die lifting plate to move upward, and at the same time, the second downward pressing cylinder drives the upper die lifting plate to move downward. The cutters on the lower die lifting plate punch and cut off the stainless steel shell on the stainless steel shell strip and the dial rod on the dial rod group and push them onto the corresponding base on the base strip, thereby completing the assembly of multiple toggle switches at one time. This assembly process can replace manual operation and has the advantages of high production efficiency and high qualification rate.
[0024] The present invention is further configured such that a punch sleeve is mounted on the lower die lifting plate, a plurality of mounting holes are provided through the punch sleeve, the lower end of the cutter extends into the corresponding mounting hole and is fixed by a plug rod, a suction channel communicating with the mounting hole is provided through the cutter along the length direction, a vacuum plate is mounted at the bottom of the lower die lifting plate, a valve fixing plate is mounted at the bottom of the vacuum plate, a vacuum chamber is provided on one side of the vacuum plate close to the valve fixing plate, a plurality of air holes communicating with the mounting hole are provided at the position of the vacuum plate corresponding to the top of the vacuum chamber, and a joint communicating with the vacuum chamber and used for externally connecting a vacuum pumping device is mounted on the valve fixing plate.
[0025] By adopting the above technical solution, after the cutting knife cuts off the stainless steel shell on the stainless steel shell strip, due to the external vacuum pumping device pumping the vacuum chamber to generate negative pressure, the cutting knife will suck the stainless steel shell, and the stainless steel shell will continue to move upward with the cutting knife to perform the overall assembly process.
[0026] The present invention is further configured such that a plurality of insertion holes for the insertion rods to pass through are transversely and penetratingly provided along the upper edge of the punch sleeve, and arc-shaped slots cooperating with the corresponding insertion rods are respectively provided on both sides of the cutting knife.
[0027] By adopting the above technical solution, the installation of the cutting knife can be realized, the connection structure is simple and reliable, the disassembly and assembly are very convenient, and the insertion holes do not penetrate the air suction channel, reducing the leakage points and making the stability of the cutting knife sucking the stainless steel shell better.
[0028] The present invention is further configured such that the lower die mechanism further includes a spring pressure rod, the fixed end of the spring pressure rod is installed on the lower die lifting plate, and the movable end of the spring pressure rod is connected to the lower die transmission track.
[0029] By adopting the above technical solution, during the blanking process, the stainless steel shell strip can be first pressed on the lower die lifting plate and then blanked, and the blanking is accurate, which can improve the product quality.
[0030] The present invention is further configured such that a plurality of lower die guide columns extending vertically are further provided on the lower die frame, a plurality of first lower die guide sleeves cooperating with the lower die guide columns are provided on the lower die transmission track, and a plurality of second lower die guide sleeves cooperating with the lower die guide columns are provided on the lower die lifting plate.
[0031] By adopting the above technical solution, the stability of the up and down movement of the lower die transmission track and the lower die lifting plate can be improved.
[0032] The present invention is further configured such that a second C-shaped connecting piece is connected to the side of the upper die transmission track through a fastener, the upper end of the second C-shaped connecting piece extends inward to form an upper stroke limit for the upper die lifting plate relative to the upper die transmission track, a chute for the second C-shaped connecting piece to be embedded is provided on the side of the upper die lifting plate, a plurality of pre-tightening springs are clamped between the upper die transmission track and the upper die lifting plate, a first spring groove for the upper end of the pre-tightening spring to be embedded is provided on the upper die lifting plate, and a second spring groove for the lower end of the pre-tightening spring to be embedded is provided on the upper die transmission track.
[0033] By adopting the above technical solution, during the blanking process, the base strip can be first pressed on the upper die lifting plate to position the base strip, and then the product assembly can be realized, which can improve the product quality.
[0034] The present invention is further configured such that a plurality of upper die guide posts extending vertically are further provided on the upper die carrier. A plurality of first upper die guide sleeves cooperating with the upper die guide posts are provided on the upper die transfer track. A plurality of second upper die guide sleeves cooperating with the upper die guide posts are provided on the upper die lifting plate.
[0035] By adopting the above technical solution, the stability of the up-and-down movement of the upper die transfer track and the upper die lifting plate can be improved.
[0036] The present invention is further configured such that the upper die lifting plate includes a second upper mounting plate and a second lower mounting plate. A limiting groove is provided at the bottom of the second upper mounting plate. A plurality of second pin holes for the ejector pins to pass through are provided through the second lower mounting plate, and a limiting needle head extending outward is provided at the upper end of the second pin hole. The limiting needle head is disposed in the limiting groove.
[0037] By adopting the above technical solution, the installation of the ejector pins can be realized. The installation structure is simple and reliable, and the disassembly and assembly are very convenient.
[0038] The present invention is further configured such that the lower die material feeding assembly includes a lower die material feeding motor mounted on the lower die transfer track and a plurality of lower die ratchets linked to the motor shaft of the lower die material feeding motor and cooperating with the positioning holes on the stainless steel shell material belt. The upper die material feeding assembly includes an upper die material feeding motor mounted on the upper die transfer track and a plurality of upper die ratchets linked to the motor shaft of the upper die material feeding motor and cooperating with the positioning holes on the base material belt.
[0039] By adopting the above technical solution, the upper die ratchet and the lower die ratchet are respectively driven by the lower die material feeding motor and the upper die material feeding motor to rotate, and the stainless steel shell material belt and the base material belt are respectively dragged to move forward stably, so as to realize precise stroke control.
[0040] The present invention is further configured such that a lower die cover plate is mounted at the upper end of the lower die transfer track, and a lower die through hole for the lower die ratchet to pass through is provided at the lower end of the lower die transfer track. An upper die cover plate is mounted at the lower end of the upper die transfer track, and an upper die through hole for the upper die ratchet to pass through is provided at the upper end of the upper die transfer track.
[0041] By adopting the above technical solution, the lower die cover plate and the upper die cover plate can respectively limit the stainless steel shell material belt and the base material belt, so that they can be stably transported on the corresponding transfer tracks.
[0042] The present invention is further configured such that the cutting and bending module includes a product strip conveying mechanism and a cutting and bending mechanism disposed on the assembly platform; the product strip conveying mechanism includes a product strip transmission track and a third material pushing component for moving the product strip along the extending direction of the product strip transmission track, and a third flow channel for the product strip is provided in the extending direction of the product strip transmission track; the cutting and bending mechanism includes a stamping bracket, a third downward pressing cylinder disposed on the stamping bracket, a downward pressing seat disposed on the extending end of the third downward pressing cylinder, and a plurality of groups of cutting and bending components mounted on the downward pressing seat. The cutting and bending components include a material pressing block located in the middle for pressing the product, terminal pressing blocks located on both outer sides for pressing the terminals, and a cutter bending block disposed between the material pressing block and the terminal pressing blocks. The cutter bending block is fixedly mounted on the downward pressing seat, and the material pressing block and the terminal pressing blocks are movably mounted on the downward pressing seat relative to the cutter bending block up and down.
[0043] By adopting the above technical solution, the product strip is placed on the third flow channel of the product strip transmission track, and the third material pushing component drives the product strip to move forward. When the product strip is conveyed to the area of the cutting and bending mechanism, the third downward pressing cylinder of the stamping component drives the downward pressing seat to descend, and the plurality of groups of cutting and bending components descend. Among them, the material pressing block presses and positions the product, the terminal pressing blocks press and position the terminals, and the cutter bending block acts on the pin part of the product to bend it and separate it from the terminals, completing the separation of multiple toggle switch products at one time. It can replace manual operation for cutting and bending the toggle switch product strip, and has the advantages of high production efficiency and high qualification rate.
[0044] The present invention is further configured such that the downward pressing seat includes a third upper mounting plate and a third lower mounting plate connected together. An opening is provided on the third lower mounting plate for the cutting and bending components to pass through. A first limiting portion is provided on the cutter bending block, and the first limiting portion is clamped between the third upper mounting plate and the third lower mounting plate. A first sliding groove and a second sliding groove for the material pressing block and the terminal pressing blocks to move vertically are provided at the lower end of the third upper mounting plate, and third elastic members for providing a pre-tightening force to the material pressing block and the terminal pressing blocks are provided in both the first sliding groove and the second sliding groove. A second limiting portion for abutting against the upper end of the third lower mounting plate to form a limit when descending is provided at the position of the material pressing block in the first sliding groove, and a third limiting portion for abutting against the upper end of the third lower mounting plate to form a limit when descending is provided at the position of the terminal pressing block in the second sliding groove.
[0045] By adopting the above technical solution, the assembly of the cutting and bending components can be realized, the structure is simple and reliable, which is beneficial to the pre-assembly and the subsequent maintenance operation.
[0046] The present invention is further configured such that a first support portion for supporting the product, a second support portion for supporting the terminals, and a pin slot for the product pins to extend into are provided at a position corresponding to the lower part of the cutting and bending assembly on the product tape transmission track. A convex rib with a trapezoidal cross-section is provided in the pin slot, and a relief groove adapted to the shape of the convex rib is provided at the bottom of the cutting and bending block.
[0047] By adopting the above technical solution, when the cutting and bending block presses down, the pin portion of the product is pressed into the pin slot, causing this portion to be torn and separated from the terminals. When the convex rib in the pin slot fits with the relief groove at the bottom of the cutting and bending block, the bending process of the pin is achieved, and the cutting and bending processes are carried out simultaneously, greatly improving the processing efficiency.
[0048] The present invention is further configured such that a plurality of third guide posts extending vertically are provided on the product tape transmission track, and a plurality of third guide sleeves cooperating with the third guide posts are provided on the pressing seat.
[0049] By adopting the above technical solution, the stability of the up-and-down movement of the pressing seat can be improved.
[0050] The present invention is further configured such that a blanking port is further provided at a position corresponding to the side of the cutting and bending assembly on the product tape transmission track, and a guide plate is further provided at a position corresponding to the lower part of the blanking port on the assembly platform.
[0051] By adopting the above technical solution, the products separated from the product tape after being processed by the cutting and bending mechanism finally enter the blanking port and are guided to the corresponding area by the guide plate, realizing the centralized collection of the products.
[0052] The present invention is further configured such that the third material pushing assembly includes a third material pushing motor installed on the product tape transmission track and a plurality of third ratchets linked to the motor shaft of the third material pushing motor and adapted to cooperate with the positioning holes on the product tape.
[0053] By adopting the above technical solution, the third ratchet is driven to rotate by the third material pushing motor, dragging the product tape to move forward stably with precise stroke control.
[0054] The present invention is further configured such that a third cover plate is further installed on the product tape transmission track, and a third through hole for the third ratchet to pass through is provided on the third cover plate.
[0055] By adopting the above technical solution, the product tape can be limited, so that it is always positioned in the third flow channel during the stable transmission process. Description of the Drawings
[0056] Figure 1 It is a schematic structural diagram of the whole of the present invention; Figure 2Schematic structural diagram of the shrapnel assembly module of the present invention; Figure 3 Partial structural schematic diagram of the shrapnel assembly module of the present invention; Figure 4 is Figure 3 Side view of the structure; Figure 5 is Figure 4 A - A sectional view of Figure 6 Schematic installation structure diagram of the cutting tool in the shrapnel assembly module of the present invention; Figure 7 Partial structural schematic diagram of the cutting tool in the shrapnel assembly module of the present invention; Figure 8 Schematic structural diagram of the triple - combination assembly module of the present invention; Figure 9 First - perspective structural schematic diagram of the lower die mechanism of the triple - combination assembly module of the present invention after removing the hydraulic cylinder; Figure 10 Second - perspective structural schematic diagram of the lower die mechanism of the triple - combination assembly module of the present invention after removing the hydraulic cylinder; Figure 11 Schematic installation structure diagram of the cutting knife in the triple - combination assembly module of the present invention; Figure 12 is Figure 11 Vertical sectional view of the structure; Figure 13 is Figure 11 Horizontal sectional view of the structure; Figure 14 Schematic structural diagram of the carrier with the lever group installed of the present invention; Figure 15 Schematic structural diagram of the upper die mechanism in the triple - combination assembly module of the present invention; Figure 16 Vertical sectional view of the upper die mechanism in the triple - combination assembly module of the present invention; Figure 17 Schematic structural diagram of the cutting and bending module of the present invention; Figure 18 Schematic structural diagram of the product strip transmission track in the cutting and bending module of the present invention; Figure 19 Schematic structural diagram of the cutting and bending assembly in the cutting and bending module of the present invention; Figure 20 Working principle diagram of the cutting and bending process in the cutting and bending module of the present invention; Figure 21 is Figure 20 Enlarged structural schematic diagram of part A in Figure 22 Schematic structural diagram of the guide plate in the cutting and bending module of the present invention.
[0057] In the figure:
[0058] 1. Assembly platform; 2. Shrapnel stamping die; 3. Shrapnel assembly module; 4. Tripartite assembly module; 5. Cutting and bending module; 6. Belt transmission device; 7. Manipulator transfer device; 8. Test conduction device; 302. Blanking and assembly mechanism; 303. Shrapnel tape conveying mechanism; 304. Blanking bracket; 305. First pressing cylinder; 306. Connecting seat; 307. Upper tool holder; 308. Tool; 309. Lever carrier; 310. Shrapnel tape transmission track; 311. First feeding component; 312. First runner; 313. Lower tool holder; 314. Knife edge; 315. Vacuum chamber; 316. Vacuum port; 317. First vacuum hole; 318. Second vacuum hole; 319. Lower guide hole; 320. Upper guide hole; 321. Limiting step; 322. Pressure block; 323. Limiting flange; 324. First elastic part; 325. Cutting tool unit; 326. First C-shaped connecting piece; 327. Activity gap; 328. First guide post; 329. First guide sleeve; 330. First feeding motor; 331. First ratchet; 332. First cover plate; 333. First through hole; 402. Lower die mechanism; 403. Upper die mechanism; 404. Lower die holder; 405. Cutting tool seat; 406. Carrier; 407. Lower die transmission track; 408. Lower die feeding component; 409. Hydraulic cylinder; 410. Lower die lifting plate; 411. Cutting tool; 412. Cutting tool hole; 413. Upper die holder; 414. Second pressing cylinder; 415. Upper die lifting plate; 416. Upper die transmission track; 417. Upper die feeding component; 418. Thimble; 419. First pin hole; 420. Punch sleeve; 421. Mounting hole; 422. Insert rod; 423. Suction channel; 424. Vacuum plate; 425. Air valve fixing plate; 426. Vacuum chamber; 427. Air hole; 428. Connector; 429. Jack; 430. Arc-shaped slot; 431. Spring pressure rod; 432. Lower die guide post; 433. First lower die guide sleeve; 434. Second lower die guide sleeve; 435. Second C-shaped connecting piece; 436. Slide groove; 437. Pre-tightening spring; 438. First spring groove; 439. Second spring groove; 440. Upper die guide post; 441. First upper die guide sleeve; 442. Second upper die guide sleeve; 443. Second upper mounting plate; 444. Second lower mounting plate; 445. Limiting groove; 446. Second pin hole; 447. Limiting needle; 448. Lower die feeding motor; 449. Lower die ratchet; 450. Upper die feeding motor; 451. Upper die ratchet; 452. Lower die cover plate; 453. Lower die through hole; 454. Upper die cover plate; 455. Upper die through hole; 502. Product tape conveying mechanism; 503. Cutting and bending mechanism; 504. Product tape transmission track; 505. Third feeding component; 506. Third runner; 507. Stamping bracket; 508. Third pressing cylinder; 509. Pressing seat; 510. Cutting and bending component; 511. Pressure block; 512. Terminal pressure block; 513. Cutting tool bending block; 514. Third upper mounting plate515. The third lower mounting plate; 516. The through opening; 517. The first limiting portion; 518. The first sliding groove; 519. The second sliding groove; 520. The second limiting portion; 521. The third limiting portion; 522. The first supporting portion; 523. The second supporting portion; 524. The pin groove; 525. The rib; 526. The relief groove; 527. The third guide post; 528. The third guide sleeve; 529. The third feeding motor; 530. The third ratchet; 531. The third cover plate; 532. The third through hole; 533. The blanking port; 534. The guide plate; 535. The third elastic member.; Detailed implementation manners
[0059] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0060] Embodiment: As shown in the attached Figures 1 - 22 figure, the toggle switch production line includes an assembly platform 1, on which there are successively arranged a shrapnel stamping die 2 for stamping shrapnel, a shrapnel assembly module 3 for assembling the shrapnel on the toggle lever, a three-in-one assembly module 4 for assembling the base and stainless steel at both ends of the toggle lever equipped with the shrapnel, and a cutting and bending module 5 for cutting and bending the pins of the assembled product. A test conduction device 8 can be additionally arranged between the three-in-one assembly module 4 and the cutting and bending module 5. When the test conduction device 8 detects a defective product, it will be removed. The assembly platform 1 is also provided with a belt transmission device 6 for transporting the toggle lever and a manipulator transfer device 7 for transporting the toggle lever on the belt transmission device 6 to the three-in-one assembly module 4 for assembly. Among them, the shrapnel stamping die 2, the test conduction device 8, and the belt transmission device 6 are all mature products on the market and are easily available in the market, so their specific structures will not be described in detail here. The manipulator transfer device 7 is composed of a transfer frame, a horizontal electric slide table arranged on the transfer frame, a vertical electric slide table arranged on the horizontal electric slide table, and a finger cylinder arranged on the vertical electric slide table. The toggle lever is transported to the carrier 406 by the manipulator transfer device 7, and then the carrier 406 is pushed into the three-in-one assembly module 4 by a cylinder for assembly.
[0061] As shown in the attached Figures 2 - 7As shown in the figure, the shrapnel assembly module 3 includes a blanking and assembly mechanism 302 and a shrapnel strip conveying mechanism 303 disposed on the assembly platform 1; the blanking and assembly mechanism 302 includes a blanking bracket 304, a first downward pressing cylinder 305 disposed on the blanking bracket 304, a connecting seat 306 disposed on the extending end of the first downward pressing cylinder 305, an upper tool holder 307 mounted on the connecting seat 306, a tool 308 mounted on the upper tool holder 307, and a lever carrier 309 disposed below the tool 308 for placing the lever group; the shrapnel strip conveying mechanism 303 includes a shrapnel strip transmission track 310 and a first dialing component 311 for moving the shrapnel strip along the direction of the shrapnel strip transmission track 310. A first flow channel 312 for the product strip is provided in the extending direction of the shrapnel strip transmission track 310. A lower tool holder 313 is provided on the shrapnel strip transmission track 310. The lower tool holder 313 is disposed between the tool 308 and the lever carrier 309. A cutting opening 314 is provided on the lower tool holder 313 for the tool 308 to pass through and press the shrapnel onto the lever group. Place the shrapnel strip on the first flow channel 312 of the shrapnel strip transmission track 310, and drive the shrapnel strip to advance through the first dialing component 311. When the shrapnel strip is conveyed to the blanking mechanism area, the first downward pressing cylinder 305 of the stamping mechanism drives the connecting seat 306 to descend, the connecting seat 306 drives the upper tool holder 307 to descend, the upper tool holder 307 drives the tool 308 to descend, blank the shrapnel strip, and pass through the cutting opening 314 of the lower tool holder 313 to press the blanked shrapnel on the lever group, thereby completing the blanking and assembly of multiple shrapnels at one time. It can replace manual labor to assemble the shrapnel of the toggle switch with the lever, and has the advantages of high production efficiency and high qualification rate.
[0062] As shown in the attached Figures 2 - 7 figure, a vacuum chamber 315 is provided in the upper tool holder 307. Two vacuum ports 316 for installing vacuum connectors are provided on the side of the upper tool holder 307. Install vacuum connectors on the vacuum ports 316, and externally connect a vacuum device through a pipeline to evacuate the vacuum chamber 315 of the upper tool holder 307 to generate negative pressure. The tool 308 is mounted on the bottom of the upper tool holder 307, and a first vacuum hole 317 communicating with the vacuum chamber 315 is provided at the bottom of the upper tool holder 307. A second vacuum hole 318 communicating with the first vacuum hole 317 is vertically provided through the tool 308. The blanked shrapnel is sucked by vacuum, so as to accurately and stably press it on the lever group.
[0063] As shown in the attached Figures 2 - 7As shown, a plurality of lower guide holes 319 are provided through the bottom of the cutting tool 308. An upper guide hole 320 is provided at one end of the lower guide hole 319 close to the upper tool holder 307. A limiting step 321 is formed between the upper guide hole 320 and the lower guide hole 319. A pressing block 322 for pressing the elastic strip is arranged through the lower guide hole 319. A limiting flange 323 that forms a stroke limit with the limiting step 321 during downward movement is provided at one end of the pressing block 322 extending into the upper guide hole 320. A first elastic member 324 that provides a downward pre-tightening force to the pressing block 322 is further provided in the upper guide hole 320. The first elastic member 324 can be a spring. During the blanking process of the elastic strip, the upper tool holder 307 drives the cutting tool 308 to descend. The pressing block 322 first presses the elastic strip, and then the cutting tool 308 continues to descend until the elastic sheet is blanked. It can ensure the stable positioning of the elastic strip when blanking the elastic sheet, which is more conducive to the blanking of the elastic sheet.
[0064] As shown in the Figures 2 - 7 attachment, the cutting tool 308 includes a plurality of cutting blade units 325 connected side by side. The upper guide hole 320 and the lower guide hole 319 are provided between every two adjacent cutting blade units 325 for installing the pressing block 322, that is, the cutting tool 308 is assembled from multiple parts. This design greatly facilitates the disassembly and assembly operations of the pressing block 322.
[0065] Among them, the upper tool holder 307 and the cutting tool 308 can be assembled by using screws for fixation or by inserting a rod through both of them.
[0066] As shown in the Figures 2 - 7 attachment, a plurality of first C-shaped connectors 326 are connected to the side of the upper tool holder 307 through fasteners. In this embodiment, the fasteners are screws. The bottom of the first C-shaped connector 326 extends inward to support the elastic strip transmission track 310, and there is a movable gap 327 between the elastic strip transmission track 310 and the upper tool holder 307. A movable gap 327 is provided between the elastic strip transmission track 310 and the upper tool holder 307 to provide a space for their relative movement, which can ensure that the elastic strip is first tightened and then the elastic sheet is blanked.
[0067] As shown in the Figures 2 - 7 attachment, a plurality of first guide posts 328 extending vertically are further provided on the assembly platform 301. A plurality of first guide sleeves 329 that cooperate with the first guide posts 328 are provided on the upper tool holder 307. This design can improve the stability of the up and down movement of the upper tool holder 307.
[0068] As shown in the Figures 2 - 7As shown, the first material feeding component 311 includes a first material feeding motor 330 installed on the shrapnel strip transmission track 310 and a plurality of first ratchets 331 that are linked to the motor shaft of the first material feeding motor 330 and are used to cooperate with the positioning holes on the shrapnel strip. By driving the first ratchet 331 to rotate through the first material feeding motor 330, the shrapnel strip is dragged to move forward stably, and the stroke control is precise.
[0069] As shown in the attached Figures 2 - 7 As shown, a first cover plate 332 is further installed on the shrapnel strip transmission track 310, and a first through hole 333 for the first ratchet 331 to pass through is provided on the first cover plate 332. This design can limit the shrapnel strip so that it is always positioned in the first flow channel 312 during the stable transmission process.
[0070] As shown in the attached Figures 8 - 16As shown, the three-in-one assembly module 4 includes a lower die mechanism 402 and an upper die mechanism 403 disposed on the assembly platform 1; the lower die mechanism 402 includes a lower die carrier 404, a cutter seat 405 disposed on the lower die carrier 404, a carrier 406 disposed on the lower die carrier 404 above the cutter seat 405 for positioning the toggle lever group, a lower die transfer track 407 disposed on the lower die carrier 404 below the cutter seat 405 for transporting the stainless steel shell strip (the lower die transfer track 407 has a lower die runner for guiding the stainless steel shell strip), a lower die stripping assembly 408 disposed on the lower die transfer track 407 for driving the movement of the stainless steel shell strip, a hydraulic cylinder 409 disposed within the assembly platform 401, a lower die lifting plate 410 disposed on the extending end of the hydraulic cylinder 409, and a plurality of cutters 411 mounted on the lower die lifting plate 410. A plurality of cutter holes 412 for the cutters 411 to pass through are provided on the cutter seat 405; the upper die mechanism 403 includes an upper die carrier 413, a second downward pressing cylinder 414 disposed on the upper die carrier 413, an upper die lifting plate 415 disposed on the extending end of the second downward pressing cylinder 414, an upper die transfer track 416 disposed below the upper die lifting plate 415 for transporting the base strip, an upper die stripping assembly 417 disposed on the upper die transfer track 416 (the upper die transfer track 416 has an upper die runner for guiding the base strip) for driving the movement of the base strip, and a plurality of ejector pins 418 mounted on the upper die lifting plate 415 for positioning the base strip. A plurality of first pin holes 419 for the ejector pins 418 to pass through are provided on the upper die transfer track 416; when the hydraulic cylinder 409 drives the lower die lifting plate 410 to move upward and the second downward pressing cylinder 414 drives the upper die lifting plate 415 to move downward, the cutters 411 cut and eject the corresponding stainless steel shell and toggle lever onto the base strip. Place the stainless steel shell strip on the lower die transfer track 407, drive the stainless steel shell strip forward through the lower die stripping assembly 408, place the base strip on the upper die transfer track 416, drive the base strip forward through the upper die stripping assembly 417. When the corresponding units of the stainless steel shell strip and the base strip are respectively transported below and above the carrier 406 equipped with the toggle lever group, the hydraulic cylinder 409 drives the lower die lifting plate 410 to move upward, and at the same time, the second downward pressing cylinder 414 drives the upper die lifting plate 415 to move downward. The cutters 411 on the lower die lifting plate 410 punch and cut the stainless steel shell on the stainless steel shell strip and the toggle lever on the toggle lever group and eject them onto the corresponding base on the base strip, thereby completing the assembly of multiple toggle switches at one time. This assembly process can replace manual operation and has the advantages of high production efficiency and high qualification rate.
[0071] As shown in the appendix Figures 8 - 16As shown, a punch sleeve 420 is installed on the lower die lifting plate 410. A plurality of mounting holes 421 are provided through the punch sleeve 420. The lower end of the cutter 411 extends into the corresponding mounting hole 421 and is fixed by a plug rod 422. An air suction channel 423 communicating with the mounting hole 421 is provided through the cutter 411 along its length direction. A vacuum plate 424 is installed at the bottom of the lower die lifting plate 410. An air valve fixing plate 425 is installed at the bottom of the vacuum plate 424. A vacuum chamber 426 is provided on one side of the vacuum plate 424 close to the air valve fixing plate 425. A plurality of air holes 427 communicating with the mounting hole 421 are provided at the position of the vacuum plate 424 corresponding to the top of the vacuum chamber 426. A connector 428 communicating with the vacuum chamber 426 and used for connecting an external vacuum pumping device is installed on the air valve fixing plate 425. After the cutter 411 cuts off the stainless steel shell on the stainless steel shell strip, due to the external vacuum pumping device pumping the vacuum chamber 426 to generate negative pressure, the cutter 411 will suck the stainless steel shell, and the stainless steel shell will continue to move upward with the cutter 411 to perform the overall assembly process.
[0072] As shown in the Figures 8 - 16 attachment, a plurality of jacks 429 for the plug rod 422 to pass through are provided through the punch sleeve 420 transversely. Arc-shaped slots 430 matching the corresponding plug rods 422 are provided on both sides of the cutter 411. This design can realize the installation of the cutter 411, the connection structure is simple and reliable, the disassembly and assembly are very convenient, and the jack 429 does not penetrate the air suction channel 423, reducing the leakage points and making the stability of the cutter 411 sucking the stainless steel shell better.
[0073] As shown in the Figures 8 - 16 attachment, the lower die mechanism 402 further includes a spring pressure rod 431. The fixed end of the spring pressure rod 431 is installed on the lower die lifting plate 410, and the movable end of the spring pressure rod 431 is connected to the lower die transmission track 407. The spring pressure rod 431 is a mass-produced part and is easily available in the market. It is composed of a moving rod, a fixed rod and a spring arranged between the two. Its specific structure will not be elaborated here in detail. During the blanking process, the stainless steel shell strip can be first pressed on the lower die lifting plate 410 and then blanked, and the blanking is accurate, which can improve the product quality.
[0074] As shown in the Figures 8 - 16 attachment, a plurality of lower die guide columns 432 extending vertically are further provided on the lower die frame 404. A plurality of first lower die guide sleeves 433 matching the lower die guide columns 432 are provided on the lower die transmission track 407. A plurality of second lower die guide sleeves 434 matching the lower die guide columns 432 are provided on the lower die lifting plate 410. This design can improve the stability of the up and down movement of the lower die transmission track 407 and the lower die lifting plate 410.
[0075] As shown in theFigures 8 - 16 As shown, a second C-shaped connecting member 435 is connected to the side of the upper die transfer track 416 through a fastener (the fastener can be a screw). The second C-shaped connecting member 435 is a member with a C-shaped cross-section. The upper end of the second C-shaped connecting member 435 extends inward to form an upper stroke limit for the upper die lifting plate 415 relative to the upper die transfer track 416. A chute 436 for the second C-shaped connecting member 435 to be embedded is provided on the side of the upper die lifting plate 415. A plurality of pre-tightening springs 437 are clamped between the upper die transfer track 416 and the upper die lifting plate 415. A first spring groove 438 for the upper end of the pre-tightening spring 437 to be embedded is provided on the upper die lifting plate 415. A second spring groove 439 for the lower end of the pre-tightening spring 437 to be embedded is provided on the upper die transfer track 416. During the blanking process, the base strip can be first pressed on the upper die lifting plate 415 to position the base strip, and then product assembly can be realized, which can improve the product quality.
[0076] As attached Figures 8 - 16 As shown, a plurality of upper die guide posts 440 extending vertically are further provided on the upper die holder 413. A plurality of first upper die guide sleeves 441 cooperating with the upper die guide posts 440 are provided on the upper die transfer track 416. A plurality of second upper die guide sleeves 442 cooperating with the upper die guide posts 440 are provided on the upper die lifting plate 415. This design can improve the stability of the up and down movement of the upper die transfer track 416 and the upper die lifting plate 415.
[0077] As attached Figures 8 - 16 As shown, the upper die lifting plate 415 includes a second upper mounting plate 443 and a second lower mounting plate 444. A limiting groove 445 is provided at the bottom of the second upper mounting plate 443. A plurality of second needle holes 446 for the ejector pins 418 to pass through are provided through the second lower mounting plate 444, and a limiting needle head 447 extending outward is provided at the upper end of the second needle hole 446. The limiting needle head 447 is arranged in the limiting groove 445. More specifically, the limiting needle head 447 can be designed in a cylindrical shape, and its diameter is larger than the diameter of the ejector pin 418. The depth of the limiting groove 445 is equivalent to the height of the limiting needle head 447. When the second upper mounting plate 443 and the second lower mounting plate 444 are connected together, the upper end of the limiting needle head 447 abuts against the inner end of the limiting groove 445, and the lower end of the limiting needle head 447 abuts against the upper surface of the second lower mounting plate 444. This design can realize the installation of the ejector pin 418, and the installation structure is simple and reliable, and the disassembly and assembly are very convenient.
[0078] As attached Figures 8 - 16As shown, the lower die stock feeding assembly 408 includes a lower die stock feeding motor 448 installed on the lower die transfer track 407 and a plurality of lower die ratchets 449 linked to the motor shaft of the lower die stock feeding motor 448 and used to cooperate with the positioning holes on the stainless steel shell strip; the upper die stock feeding assembly 417 includes an upper die stock feeding motor 450 installed on the upper die transfer track 416 and a plurality of upper die ratchets 451 linked to the motor shaft of the upper die stock feeding motor 450 and used to cooperate with the positioning holes on the base strip. By driving the upper die ratchet 451 and the lower die ratchet 449 to rotate respectively through the lower die stock feeding motor 448 and the upper die stock feeding motor 450, the stainless steel shell strip and the base strip are respectively dragged to move forward stably, achieving precise control of the stroke.
[0079] As shown in the Figures 8 - 16 attachment, an upper die cover plate 452 is installed at the upper end of the lower die transfer track 407, and a lower die through hole 453 for the lower die ratchet 449 to pass through is provided at the lower end of the lower die transfer track 407; an upper die cover plate 454 is installed at the lower end of the upper die transfer track 416, and an upper die through hole 455 for the upper die ratchet 451 to pass through is provided at the upper end of the upper die transfer track 416. The lower die cover plate 452 and the upper die cover plate 454 can respectively limit the stainless steel shell strip and the base strip, enabling them to be stably transported on the corresponding transfer tracks.
[0080] As shown in the Figures 17 - 22As shown in the figure, the cutting and bending module 5 includes a product tape conveying mechanism 502 and a cutting and bending mechanism 503 disposed on the assembly platform 1; the product tape conveying mechanism 502 includes a product tape transmission track 504 and a third material pushing component 505 for moving the product tape along the extension direction of the product tape transmission track 504, and a third flow channel 506 for the product tape is provided in the extension direction of the product tape transmission track 504; the cutting and bending mechanism 503 includes a stamping bracket 507, a third downward pressing cylinder 508 disposed on the stamping bracket 507, a downward pressing seat 509 disposed on the extending end of the third downward pressing cylinder 508, and a plurality of groups of cutting and bending components 510 mounted on the downward pressing seat 509. The cutting and bending component 510 includes a material pressing block 511 located in the middle for pressing the product, terminal pressing blocks 512 located on both outer sides for pressing the terminals, and a cutter bending block 513 disposed between the material pressing block 511 and the terminal pressing blocks 512. The cutter bending block 513 is fixedly mounted on the downward pressing seat 509, and the material pressing block 511 and the terminal pressing blocks 512 are movably mounted on the downward pressing seat 509 relative to the cutter bending block 513 up and down. Place the product tape on the third flow channel 506 of the product tape transmission track 504, and drive the product tape forward through the third material pushing component 505. When the product tape is conveyed to the area of the cutting and bending mechanism 503, the third downward pressing cylinder 508 of the stamping component drives the downward pressing seat 509 to descend, and a plurality of groups of cutting and bending components 510 descend. Among them, the material pressing block 511 presses the product for positioning, the terminal pressing blocks 512 press the terminals for positioning, and the cutter bending block 513 acts on the product pin part to bend it and separate it from the terminal, completing the separation of multiple toggle switch products at one time. It can replace manual operation for cutting and bending the toggle switch product tape, and has the advantages of high production efficiency and high qualification rate.
[0081] As shown in the attached Figures 17 - 22As shown, the pressing seat 509 includes a third upper mounting plate 514 and a third lower mounting plate 515 connected together, which can be connected by screws. The third lower mounting plate 515 is provided with a through hole 516 for the cutting and bending assembly 510 to pass through. The cutting and bending block 513 is provided with a first limiting portion 517, and the first limiting portion 517 is clamped between the third upper mounting plate 514 and the third lower mounting plate 515. The lower end of the third upper mounting plate 514 is provided with a first sliding groove 518 and a second sliding groove 519 for the pressure block 511 and the terminal pressing block 512 to move vertically. And a third elastic member 535 for providing a pre-tightening force to the pressure block 511 and the terminal pressing block 512 is provided in both the first sliding groove 518 and the second sliding groove 519. The third elastic member 535 can be a spring. The spring acting on the pressure block 511 is a linear spring with a small pressure, and the spring acting on the terminal pressing block 512 is a die spring with a larger pressure. The position of the pressure block 511 in the first sliding groove 518 is provided with a second limiting portion 520 for abutting against the upper end of the third lower mounting plate 515 to form a limit when moving downward. The position of the terminal pressing block 512 in the second sliding groove 519 is provided with a third limiting portion 521 for abutting against the upper end of the third lower mounting plate 515 to form a limit when moving downward. This structure can realize the assembly of the cutting and bending assembly 510, with a simple and reliable structure, which is beneficial to the pre-assembly and subsequent maintenance operations.
[0082] As shown in the Figures 17 - 22 attachment, at the position corresponding to the lower part of the cutting and bending assembly 510 on the product tape transmission track 504, there is a first supporting portion 522 for supporting the product, a second supporting portion 523 for supporting the terminal, and a pin slot 524 for the product pins to extend into and arranged between the first supporting portion 522 and the second supporting portion 523. A rib 525 with a trapezoidal cross-section is provided in the pin slot 524. A relief groove 526 adapted to the shape of the rib 525 is provided at the bottom of the cutting and bending block 513. When the cutting and bending block 513 presses down, the pin part of the product is pressed into the pin slot 524, causing this part to be torn and separated from the terminal. When the rib 525 in the pin slot 524 fits with the relief groove 526 at the bottom of the cutting and bending block 513, the bending process of this pin is realized, and the cutting and bending processes are carried out simultaneously, greatly improving the processing efficiency.
[0083] As shown in the Figures 17 - 22 attachment, a plurality of third guide posts 527 extending vertically are provided on the product tape transmission track 504, and a plurality of third guide sleeves 528 cooperating with the third guide posts 527 are provided on the pressing seat 509. This design can improve the stability of the up and down movement of the pressing seat 509.
[0084] As shown in the Figures 17 - 22As shown, a blanking opening 533 is further provided at a position corresponding to the side of the cutting and bending assembly 510 on the product strip transmission track 504, and a material guiding plate 534 is further provided at a position corresponding to the lower side of the blanking opening 533 on the assembly platform 501. The products separated from the product strip after being processed by the cutting and bending mechanism 503 finally enter the blanking opening 533 and are guided to the corresponding area through the material guiding plate 534, realizing the centralized collection of products.
[0085] As shown in the Figures 17 - 22 attachment, the third material pushing assembly 505 includes a third material pushing motor 529 installed on the product strip transmission track 504 and a plurality of third ratchets 530 linked to the motor shaft of the third material pushing motor 529 and used for cooperating with the positioning holes on the product strip. By driving the third ratchets 530 to rotate through the third material pushing motor 529, the product strip is dragged to move forward stably, and the stroke control is accurate.
[0086] As shown in the Figures 17 - 22 attachment, a third cover plate 531 is further installed on the product strip transmission track 504, and a third through hole 532 for the third ratchet 530 to pass through is provided on the third cover plate 531. The third ratchet 530 passes through the third through hole 532 and cooperates with the positioning holes on the product strip arranged on the third flow channel 506. This design can limit the product strip, so that it is always positioned in the third flow channel 506 during the stable transmission process.
Claims
1. Toggle switch production line, characterized in that: It includes an assembly platform (1), on which there are successively arranged a shrapnel stamping die (2) for stamping shrapnel, a shrapnel assembly module (3) for assembling the shrapnel onto the lever, a three-in-one assembly module (4) for assembling the base and stainless steel onto both ends of the lever with the shrapnel, and a cutting and bending module (5) for cutting and bending the pins of the assembled product. There is also a belt transmission device (6) for transporting the lever on the assembly platform (1) and a manipulator transfer device (7) for transporting the lever on the belt transmission device to the three-in-one assembly module for assembly; The shrapnel assembly module (3) includes a blanking and assembly mechanism (302) and a shrapnel strip conveying mechanism (303) arranged on the assembly platform (1); The blanking and assembly mechanism (302) includes a blanking bracket (304), a first pressing cylinder (305) arranged on the blanking bracket (304), a connecting seat (306) arranged on the extending end of the first pressing cylinder (305), an upper knife seat (307) installed on the connecting seat (306), a cutter (308) installed on the upper knife seat (307), and a lever carrier (309) arranged below the cutter (308) for placing the lever group; The shrapnel strip conveying mechanism (303) includes a shrapnel strip transmission track (310) and a first feeding component (311) for moving the shrapnel strip along the direction of the shrapnel strip transmission track (310). A first flow channel (312) for the product strip is arranged in the extending direction of the shrapnel strip transmission track (310). A lower knife seat (313) is arranged on the shrapnel strip transmission track (310). The lower knife seat (313) is arranged between the cutter (308) and the lever carrier (309). A cutting opening (314) for the cutter (308) to pass through and press the shrapnel onto the lever group is arranged on the lower knife seat (313); The three-in-one assembly module (4) includes a lower die mechanism (402) and an upper die mechanism (403) arranged on the assembly platform (1); The lower die mechanism (402) includes a lower die frame (404), a cutter seat (405) arranged on the lower die frame (404), a carrier (406) arranged above the cutter seat (405) on the lower die frame (404) for positioning the lever group, a lower die transmission track (407) arranged below the cutter seat (405) on the lower die frame (404) for transporting the stainless steel shell strip, a lower die feeding component (408) arranged on the lower die transmission track (407) for driving the stainless steel shell strip to move, a hydraulic cylinder (409) arranged inside the assembly platform (1), a lower die lifting plate (410) arranged on the extending end of the hydraulic cylinder (409), and a plurality of cutters (411) installed on the lower die lifting plate (410). A plurality of cutter holes (412) for the cutters (411) to pass through are arranged on the cutter seat (405); The upper die mechanism (403) includes an upper die holder (413), a second downward pressing cylinder (414) arranged on the upper die holder (413), an upper die lifting plate (415) arranged on the extending end of the second downward pressing cylinder (414), an upper die transmission track (416) arranged below the upper die lifting plate (415) for transmitting the base material tape, an upper die material pushing component (417) arranged on the upper die transmission track (416) for driving the base material tape to move, and a plurality of ejector pins (418) installed on the upper die lifting plate (415) for positioning the base material tape. A plurality of first pin holes (419) for the ejector pins (418) to pass through are arranged on the upper die transmission track (416); When the hydraulic cylinder (409) drives the lower die lifting plate (410) to move upward and the second downward pressing cylinder (414) drives the upper die lifting plate (415) to move downward, the cutter (411) cuts and pushes the corresponding stainless steel shell and the lever onto the base material tape; The cutting and bending module (5) includes a product material tape conveying mechanism (502) and a cutting and bending mechanism (503) arranged on the assembly platform (1).
2. The toggle switch production line according to claim 1, wherein: A vacuum chamber (315) is arranged in the upper tool holder (307). Two vacuum ports (316) for installing vacuum connectors are arranged on the side of the upper tool holder (307). The tool (308) is installed at the bottom of the upper tool holder (307), and a first vacuum hole (317) communicating with the vacuum chamber (315) is arranged at the bottom of the upper tool holder (307). A second vacuum hole (318) communicating with the first vacuum hole (317) is vertically and penetratingly arranged on the tool (308).
3. The toggle switch production line according to claim 2, characterized in that: A plurality of lower guide holes (319) are penetratingly arranged at the bottom of the tool (308). An upper guide hole (320) is arranged at one end of the lower guide hole (319) close to the upper tool holder (307). A limiting step (321) is formed between the upper guide hole (320) and the lower guide hole (319). A pressing block (322) for pressing the shrapnel material tape is penetratingly arranged in the lower guide hole (319). A limiting flange (323) that forms a stroke limit with the limiting step (321) when moving downward is arranged at one end of the pressing block (322) extending into the upper guide hole (320). A first elastic member (324) for providing a downward pre-tightening force to the pressing block (322) is also arranged in the upper guide hole (320); the tool (308) includes a plurality of cutter units (325) connected side by side. The upper guide hole (320) and the lower guide hole (319) are opened between every two adjacent cutter units (325) for installing the pressing block (322); a plurality of first C-shaped connectors (326) are connected to the side of the upper tool holder (307) through fasteners. The bottom of the first C-shaped connector (326) extends inward to support the shrapnel material tape transmission track (310), and a movable gap (327) is arranged between the shrapnel material tape transmission track (310) and the upper tool holder (307).
4. The toggle switch production line according to claim 1, characterized in that: A punch sleeve (420) is installed on the lower die lifting plate (410). A plurality of mounting holes (421) are penetrated through the punch sleeve (420). The lower end of the cutting knife (411) extends into the corresponding mounting hole (421) and is fixed by a plug rod (422). An air suction channel (423) communicating with the mounting hole (421) is penetrated through the cutting knife (411) along the length direction. A vacuum plate (424) is installed at the bottom of the lower die lifting plate (410). An air valve fixing plate (425) is installed at the bottom of the vacuum plate (424). A vacuum chamber (426) is provided on one side of the vacuum plate (424) close to the air valve fixing plate (425). A plurality of air holes (427) communicating with the mounting hole (421) are provided at the position of the vacuum plate (424) corresponding to the top of the vacuum chamber (426). A joint (428) communicating with the vacuum chamber (426) and used for externally connecting a vacuum pumping device is installed on the air valve fixing plate (425). A plurality of jacks (429) for the plug rod (422) to pass through are penetrated through the punch sleeve (420) along the transverse direction. Arc-shaped slots (430) matched with the corresponding plug rods (422) are respectively provided on both sides of the cutting knife (411). The lower die mechanism (402) further includes a spring pressure rod (431). The fixed end of the spring pressure rod (431) is installed on the lower die lifting plate (410), and the movable end of the spring pressure rod (431) is connected with the lower die transfer track (407).
5. The toggle switch production line according to claim 1, wherein: A second U-shaped connecting piece (435) is connected to the side of the upper die transfer track (416) through a fastener. The upper end of the second U-shaped connecting piece (435) extends inwards to form an upper stroke limit for the upper die lifting plate (415) relative to the upper die transfer track (416). A chute (436) for the second U-shaped connecting piece (435) to be embedded is provided on the side of the upper die lifting plate (415). A plurality of pre-tightening springs (437) are clamped between the upper die transfer track (416) and the upper die lifting plate (415). A first spring groove (438) for the upper end of the pre-tightening spring (437) to be embedded is provided on the upper die lifting plate (415). A second spring groove (439) for the lower end of the pre-tightening spring (437) to be embedded is provided on the upper die transfer track (416).
6. The toggle switch production line according to claim 1, wherein: The upper die lifting plate (415) includes a second upper mounting plate (443) and a second lower mounting plate (444). A limiting groove (445) is provided at the bottom of the second upper mounting plate (443). A plurality of second pin holes (446) for the ejector pins (418) to pass through are penetrated through the second lower mounting plate (444), and a limiting pin head (447) extending outwards is provided at the upper end of the second pin hole (446). The limiting pin head (447) is arranged in the limiting groove (445).
7. The toggle switch production line according to claim 1, characterized in that: The product tape conveying mechanism (502) includes a product tape transmission track (504) and a third material pushing component (505) for moving the product tape along the extension direction of the product tape transmission track (504). A third flow channel (506) for the product tape is provided in the extension direction of the product tape transmission track (504). The cutting and bending mechanism (503) includes a stamping bracket (507), a third downward pressing cylinder (508) arranged on the stamping bracket (507), a downward pressing seat (509) arranged on the extending end of the third downward pressing cylinder (508), and multiple groups of cutting and bending components (510) installed on the downward pressing seat (509). The cutting and bending component (510) includes a material pressing block (511) located in the middle for pressing the product, terminal pressing blocks (512) located on both outer sides for pressing the terminals, and a cutter bending block (513) arranged between the material pressing block (511) and the terminal pressing blocks (512). The cutter bending block (513) is fixedly installed on the downward pressing seat (509), and the material pressing block (511) and the terminal pressing blocks (512) are installed on the downward pressing seat (509) so as to be movable up and down relative to the cutter bending block (513).
8. The toggle switch production line according to claim 7, characterized in that: The downward pressing seat (509) includes a third upper mounting plate (514) and a third lower mounting plate (515) connected together. An opening (516) for the cutting and bending component (510) to pass through is provided on the third lower mounting plate (515). A first limiting portion (517) is provided on the cutter bending block (513), and the first limiting portion (517) is clamped between the third upper mounting plate (514) and the third lower mounting plate (515). A first sliding groove (518) and a second sliding groove (519) for the material pressing block (511) and the terminal pressing blocks (512) to move vertically are provided at the lower end of the third upper mounting plate (514). Third elastic members (535) for providing a pre-tightening force to the material pressing block (511) and the terminal pressing blocks (512) are provided in both the first sliding groove (518) and the second sliding groove (519). A second limiting portion (520) for abutting against the upper end of the third lower mounting plate (515) to form a limit when moving downward is provided at the position of the material pressing block (511) in the first sliding groove (518). A third limiting portion (521) for abutting against the upper end of the third lower mounting plate (515) to form a limit when moving downward is provided at the position of the terminal pressing block (512) in the second sliding groove (519). A first supporting portion (522) for supporting the product, a second supporting portion (523) for supporting the terminals, and a pin slot (524) for the product pins to extend into and arranged between the first supporting portion (522) and the second supporting portion (523) are provided at the position of the product tape transmission track (504) corresponding to the lower part of the cutting and bending component (510). A convex rib (525) with a trapezoidal cross-section is provided in the pin slot (524), and a relief groove (526) with a shape adapted to the convex rib (525) is provided at the bottom of the cutter bending block (513).
Citation Information
Patent Citations
Novel tact switch assembling machine
CN102097237A
Automatic assembly machine for seven-pin toggle switch
CN113182800A