Assembling jig of PTC (Positive Temperature Coefficient) chip and automatic assembling equipment of PTC chip

Abstract

The utility model discloses a PTC chip assembling jig and PTC chip automatic assembling equipment, comprising a base plate, the base plate is provided with an electrode slice mounting seat and an insulation yellow paper sleeve positioning plate which are distributed in a front-back manner, the surface of the electrode slice mounting seat is provided with a first groove and a second groove, and the first groove and the second groove are provided with a first groove and a second groove. The first groove and the second groove are respectively used for embedding an electrode slice, an insulating yellow paper sleeve inserting port is formed in the insulating yellow paper sleeve positioning plate, and during assembly, the first groove and the insulating yellow paper sleeve inserting port are located on the same straight line. Enabling the plugging port of the insulating yellow paper sleeve to be flush with the bottom surface of the first groove, pushing the electrode plate and the PTC chip into the insulating yellow paper sleeve, and completing the assembly of the PTC chip; according to the automatic assembling equipment for the PTC chip, the chip assembly and the insulating yellow paper sleeve are assembled through the rotation of the rotary workbench and the two assembling stations, so that the assembling efficiency is improved, and the qualification rate is also ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of PTC chip assembly, in particular to an assembly jig for a PTC chip and automatic assembly equipment for a PTC chip. Background Art

[0002] In the existing PTC chip component production process, production is generally completed through manual assembly, which is composed of PTC chips, upper and lower distributed electrode sheet components and insulating yellow paper sleeves. Manual assembly efficiency is low, and product consistency is poor. There are human influences and the rework rate is high, which is not conducive to improving production efficiency. Therefore, the organization jig and automatic assembly equipment are designed to improve the production quality and efficiency of the product through automated production. Utility Model Content

[0003] The purpose of the utility model is to provide an assembly jig for PTC chips, adjust the height of the electrode sheet mounting seat so that the insulating yellow paper sleeve insertion interface is flush with the bottom surface of the first groove, push the electrode sheet and the PTC chip into the insulating yellow paper sleeve, and complete the assembly of the PTC chip; the automatic assembly equipment for PTC chips realizes the assembly of the chip and the insulating yellow paper sleeve through the rotation of the rotary worktable through two assembly stations, thereby improving the assembly efficiency and ensuring the qualified rate.

[0004] The utility model provides the following technical solution: an assembly jig for a PTC chip, comprising a base plate, wherein an electrode sheet mounting seat and an insulating yellow paper sleeve positioning plate are arranged in a front-to-rear manner on the base plate, a first groove and a second groove are provided on the surface of the electrode sheet mounting seat, the first groove and the second groove are respectively used to place the electrode sheet, an insulating yellow paper sleeve insertion interface is provided through the surface of the insulating yellow paper sleeve positioning plate, a push rod is inserted in the base plate, the upper end of the push rod is connected to the lower end of the electrode sheet mounting seat, a push plate is provided at the lower end of the push rod, and the push plate is located below the base plate. During assembly, the first groove and the insulating yellow paper sleeve insertion interface are in the same straight line.

[0005] According to the above technical solution, a negative pressure hole is opened on the upper surface of the insulating yellow paper sleeve positioning plate, and the negative pressure hole is connected to the insulating yellow paper sleeve plug interface, solving the problem of yellow paper bending and wrinkling through negative pressure.

[0006] According to the above technical solution, the size of the first groove is smaller than the size of the insulating yellow paper sleeve interface.

[0007] The present utility model also provides the following technical solutions: PTC chip automatic assembly equipment, including a frame, a rotating worktable fixed on the frame, and eight of the above-mentioned jigs evenly fixed on the rotating worktable, the eight jigs corresponding to different workstations, including an electrode sheet loading station, an electrode sheet detection station, a PTC chip loading station, an insulating yellow paper sleeve loading station, a first assembly station, a second assembly station, a blanking station and a residual material detection station, the electrode sheet loading station is used to place the electrode sheet in the first groove and the second groove, the PTC chip loading station is used to place the PTC chip on the electrode sheet in the first groove, the first assembly station is used to place the electrode sheet in the second groove on the PTC chip, and the second assembly station is used to plug the electrode sheet and the PTC chip into the insulating yellow paper sleeve.

[0008] According to the above technical solution, the PTC chip loading station includes a chip stacking turntable, a chip lifting assembly and a chip loading assembly. Four groups of stacked PTC chips are symmetrically distributed on the chip stacking turntable. Four PTC chip holders are fixed on the chip stacking turntable. The PTC chip is arranged in the PTC chip holder. A pushing hole is opened on the chip stacking turntable. A lifting fixing plate is fixed at the lower end of the chip stacking turntable. A rotating device is fixed at the lower end of the lifting fixing plate. The output end of the rotating device is connected to the chip stacking turntable. The chip lifting assembly is fixed to the lower end of the lifting fixing plate. The chip lifting assembly includes a vertical plate fixed at the lower end of the lifting fixing plate and a lifting module fixed on the side of the vertical plate. A push rod is fixed on the lifting module. The chip lifting assembly is used to lift a PTC chip to the top of the PTC chip holder, and the chip loading assembly grabs the PTC chip onto the jig.

[0009] According to the above technical solution, the chip loading assembly includes a column, a horizontal slide rail is connected to the column, a horizontal slider slides on the horizontal slide rail, a horizontal cylinder is connected to one side of the horizontal slider, the horizontal cylinder is fixed on one end of the horizontal slide rail and connected to the horizontal slider, the horizontal cylinder controls the movement of the horizontal slider, the side of the horizontal slider is connected to a vertical slide rail, a vertical slider slides on the vertical slide rail, a vertical cylinder is connected to the upper end side of the vertical slide rail, a suction cup mounting plate is connected to the side of the vertical slider, the output end of the vertical cylinder is connected to the suction cup mounting plate, a suction cup is fixed to the lower end of the suction cup mounting plate, and the suction cup grabs the PTC chip onto the jig.

[0010] According to the above technical solution, an insulating yellow paper sleeve vibration plate is also provided on the outside of the frame, and a material guide trough fixing frame is also fixed on the frame, a material guide trough is installed on the material guide trough fixing frame, a linear module is provided on one side of the material guide trough, a rotary cylinder slides on the linear module, and a material receiving plate is connected to the output end of the rotary cylinder, and the material receiving plate is used to transfer the insulating yellow paper sleeve on the material guide trough to the jig, and the insulating yellow paper sleeve is embedded in the jig using the material receiving plate.

[0011] According to the above technical solution, the receiving tray includes a circular disc, one side of the circular disc is formed with a plug-in arm, and the plug-in arm is eccentrically arranged on the circular disc.

[0012] According to the above technical solution, the first assembly station includes a first bracket, a first linear guide rail is fixed on the side of the first bracket, a first lifting cylinder is slidably connected to the first linear guide rail, the output end of the first lifting cylinder is connected to the first slide cylinder, and the output end of the first slide cylinder is connected to a hook claw.

[0013] According to the above technical solution, the second assembly station includes a second bracket, a second linear guide is connected to the side of the second bracket, a second slide cylinder is slidably connected to the second linear guide, and the lower end of the second slide cylinder is connected to a top plate, which is used to push the electrode sheet and chip into the insulating yellow paper sleeve.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0015] (1) By designing a jig, adjust the height of the electrode sheet mounting seat so that the insulating yellow paper sleeve plug interface is flush with the bottom surface of the first groove, push the electrode sheet and the PTC chip into the insulating yellow paper sleeve, and complete the assembly of the PTC chip;

[0016] (2) Using negative pressure adsorption to ensure the inner cavity size, meet the chip component assembly, and solve the problem of bending and wrinkling of the insulating yellow paper sleeve;

[0017] (3) By rotating the rotary table, the chip components and the insulating yellow paper sleeve are assembled through two assembly stations, which improves the assembly efficiency and ensures the qualified rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a three-dimensional diagram of the fixture of the present utility model;

[0020] Figure 2It is a front view of the fixture of the present utility model;

[0021] Figure 3 This is a three-dimensional diagram of the PTC chip automatic assembly equipment of the present utility model;

[0022] Figure 4 This is a three-dimensional diagram of the PTC chip automatic assembly equipment of the present utility model from another perspective;

[0023] Figure 5 This is a three-dimensional diagram of the PTC chip loading station of the utility model;

[0024] Figure 6 This is a front view of the PTC chip loading station of the utility model;

[0025] Figure 7 This is a front view of the insulating yellow paper sleeve loading station of the utility model;

[0026] Figure 8 This is a front view of the material receiving tray of the present utility model;

[0027] Figure 9 This is a three-dimensional diagram of the first assembly station of the utility model

[0028] Figure 10 It is a three-dimensional diagram of the second assembly station of the utility model;

[0029] In the figure: 1. Frame; 20. Rotating worktable; 201. Lifting cylinder; 2. Fixture; 21. Bottom plate; 22. Electrode sheet mounting seat; 221. First groove; 222. Second groove; 23. Insulating yellow paper sleeve positioning plate; 231. Insulating yellow paper sleeve plug interface; 232. Negative pressure hole; 24. Push plate; 241. Push rod; 3. Electrode sheet loading station; 4. Electrode sheet detection station; 5. PTC chip loading station; 51. Chip stacking turntable; 511. PTC chip bracket; 512. Push hole; 513. Lifting fixed plate; 514. Rotating device; 52. Chip lifting assembly; 521. Vertical plate; 522. Lifting module; 523. Push rod; 53. Chip loading assembly; 531. Column; 532. Horizontal slide rail; 5 33. Horizontal slider; 534. Horizontal cylinder; 535. Vertical slide rail; 536. Vertical slider; 537. Vertical cylinder; 538. Suction cup mounting plate; 539. Suction cup; 6. Insulated yellow paper sleeve loading station; 61. Insulated yellow paper sleeve vibration plate; 62. Material guide trough; 63. Material guide trough fixing bracket; 64. Linear module; 65. Rotary cylinder; 66. Material receiving tray; 661. Disc; 662. Connecting arm; 7. First assembly station; 71. First bracket; 72. First linear guide rail; 73. First lifting cylinder; 74. First slide cylinder; 75. Hook; 8. Second assembly station; 81. Second bracket; 82. Second linear guide rail; 83. Second slide cylinder; 84. Top plate; 9. Unloading station; 10. Residual material detection station. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] See also Figure 1 and Figure 2The utility model provides a technical solution: an assembly jig for a PTC chip, comprising a base plate 21, on which are provided an electrode sheet mounting seat 22 and an insulating yellow paper sleeve positioning plate 23 distributed front and back. The insulating yellow paper sleeve positioning plate 23 can move up and down. A first groove 221 and a second groove 222 are provided on the surface of the electrode sheet mounting seat 22. The first groove 221 and the second groove 222 are used to place the electrode sheet respectively. An insulating yellow paper sleeve insertion interface 231 is provided on the surface of the insulating yellow paper sleeve positioning plate 23. The insulating yellow paper sleeve insertion interface 231 is used to embed the insulating yellow paper sleeve. A push rod 241 is inserted into the base plate 21. The upper end of the push rod 241 is connected to the lower end of the electrode sheet mounting seat 22. A push plate 24 is provided at the lower end of the push rod 241. The push plate 24 is located below the base plate 21. During assembly, the push plate 24 is lifted. Drive the push rod 241 to rise and push the electrode sheet mounting seat 22 upward so that the first groove 221 of the electrode sheet mounting seat 22 and the insulating yellow paper sleeve insertion interface 231 are in the same line. When using the fixture, first place the electrode sheet in the first groove 221 and the second groove 222, and then place the PTC chip in the first groove 221 so that the PTC chip is located on the electrode sheet, and then embed the insulating yellow paper sleeve in the insulating yellow paper sleeve insertion interface 231. Next, place the electrode sheet in the second groove 222 in the first groove 221 so that the two electrode sheets are located on the upper and lower surfaces of the PTC chip. Finally, adjust the height of the electrode sheet mounting seat 22 so that the insulating yellow paper sleeve insertion interface 231 is flush with the bottom surface of the first groove 221, push the electrode sheet and the PTC chip into the insulating yellow paper sleeve to complete the assembly of the PTC chip.

[0032] A negative pressure hole 232 is provided on the upper surface of the insulating yellow paper sleeve positioning plate 23, and the negative pressure hole 232 is connected to the insulating yellow paper sleeve plug interface 231. By providing the negative pressure hole 232, negative pressure is introduced into the assembled PTC component, and the insulating yellow paper sleeve is tightly attached to the surface of the electrode sheet, while making the insulating yellow paper sleeve smoother and wrinkle-free.

[0033] The size of the first groove 221 is smaller than that of the insulating yellow paper sleeve insertion interface 231, so that the size of the insulating yellow paper sleeve is larger than the electrode sheet and the PTC chip, making assembly more convenient and less likely to cause interference between the insulating yellow paper sleeve and the electrode sheet or the PTC chip.

[0034] like Figure 3 and 4As shown, the utility model also provides a technical solution: PTC chip automatic assembly equipment, including a frame 1, a rotating workbench 20 is fixed on the frame 1, and eight of the above-mentioned fixtures 2 are evenly fixed on the rotating workbench 20. The eight fixtures 2 correspond to different stations, including an electrode sheet loading station 3, an electrode sheet detection station 4, a PTC chip loading station 5, an insulating yellow paper sleeve loading station 6, a first assembly station 7, a second assembly station 8, a blanking station 9 and a residual material detection station 10. The electrode sheet loading station 3 is used to place the electrode sheet in the first groove 221 and the second groove 222. The PTC chip loading station 5 is used to place the PTC chip on the electrode sheet in the first groove 221. The first assembly station 7 is used to place the second groove The electrode sheet in 222 is placed on the PTC chip, and the second assembly station 8 is used to insert the electrode sheet and the PTC chip into the insulating yellow paper sleeve. A lifting cylinder 201 is provided under the jig 2 of the first assembly station 7 and the second assembly station 8. The lifting cylinder 201 is fixed on the working surface of the frame 1. The electrode sheet mounting seat 22 is lifted upward by the lifting of the lifting cylinder 201, so that the first groove 221 and the insulating yellow paper sleeve insertion interface 231 are in the same line, which is convenient for pushing the electrode sheet and the PTC chip into the insulating yellow paper sleeve for assembly. The jig 2 completes the assembly of the PTC chip component through 8 processes in sequence, so that the PTC chip component is produced automatically, and the production efficiency and production quality of the PTC chip component are improved.

[0035] like Figure 5 and 6As shown, the PTC chip loading station 5 includes a chip stacking turntable 51, a chip lifting assembly 52 and a chip loading assembly 53. The chip stacking turntable 51 is a rotary platform. Four groups of stacked PTC chips are symmetrically distributed on the chip stacking turntable 51. Four PTC chip holders 511 are fixed on the chip stacking turntable 51. The PTC chips are arranged in the PTC chip holders. A pushing hole 512 is provided on the chip stacking turntable 51. A lifting fixing plate 513 is fixed to the lower end of the chip stacking turntable 51. The lifting fixing plate 513 is installed on the table of the rack 1. A rectangular hole is provided on the table of the rack 1. A rotating device 514 is fixed to the lower end of the lifting fixing plate 513. The output end of the rotating device 514 passes through the lifting fixing plate 513 and is connected to the chip stacking turntable 51. The rotating device 514 is installed in the rectangular hole. The rotating device 514 drives the chip stacking turntable 51 to rotate. The chip lifting assembly 52 is fixed on the lifting fixing plate 513. 13, the chip lifting assembly 52 includes a vertical plate 521 fixed to the lower end of the lifting fixing plate 513 and a lifting module 522 fixed to the side of the vertical plate 521, and a push rod 523 is fixed on the lifting module 522, and the push rod 523 passes through the pushing hole 512 and is pressed on the bottom surface of the PTC chip. The lifting module 522 controls the push rod 523 to lift the PTC chip out of the PTC chip holder. The chip lifting assembly 52 is used to lift a PTC chip to the upper end of the PTC chip holder 511, and the chip loading assembly 53 grabs the PTC chip onto the fixture 2.

[0036] like Figure 5 As shown, the chip loading assembly 53 includes a column 531, a horizontal slide rail 532 is connected to the column 531, a horizontal slider 533 slides on the horizontal slide rail 532, a horizontal cylinder 534 is connected to one side of the horizontal slider 533, the horizontal cylinder 534 is fixed to one end of the horizontal slide rail 532 and connected to the horizontal slider 533, the horizontal cylinder 534 controls the movement of the horizontal slider 533, a vertical slide rail 535 is connected to the side of the horizontal slider 533, a vertical slider 536 slides on the vertical slide rail 535, and the vertical slider 536 is connected to the vertical slider 536. A vertical cylinder 537 is connected to the side surface of the upper end of the rail 535, a suction cup mounting plate 538 is connected to the side surface of the vertical slider 536, the output end of the vertical cylinder 537 is connected to the suction cup mounting plate 538, a suction cup 539 is fixed to the lower end of the suction cup mounting plate 538, the horizontal cylinder 534 controls the movement of the horizontal slider 533, and then controls the front and rear position of the suction cup 539, the vertical cylinder 537 controls the up and down movement of the suction cup mounting plate 538 and the suction cup 539, adjusts the position of the suction cup 539, and grabs the PTC chip onto the fixture 2.

[0037] like Figure 7As shown, an insulating yellow paper sleeve vibration disk 61 is also provided on the outside of the frame 1, and the insulating yellow paper sleeve vibration disk 61 controls the sequential feeding of the insulating yellow paper sleeve. A material guide trough fixing frame 63 is also fixed on the frame 1, and a material guide trough 62 is installed on the material guide trough fixing frame 63. A linear module 64 is provided on one side of the material guide trough 62. The linear module 64 is connected to the working surface of the frame 1 through a frame. A movable slider is provided on the linear module 64, and a rotary cylinder 65 is fixed on the slider of the linear module 64. The output end of the rotary cylinder 65 is connected to a receiving tray 66, and the rotary cylinder 65 controls the receiving tray 66. The receiving tray 66 is used to transfer the insulating yellow paper sleeve on the material guide trough 62 to the jig 2. When the receiving tray 66 is in the starting state, the end of the receiving tray 66 is located in the material guide trough 62, which is convenient for putting the insulating yellow paper sleeve on the end of the receiving tray 66. Then the rotary cylinder 65 rotates to rotate the receiving tray 66 to one side of the jig 2. Then, the linear module 64 is moved to insert the end of the receiving tray 66 into the insulating yellow paper sleeve insertion interface 231 of the insulating yellow paper sleeve positioning plate 23, and further embed the insulating yellow paper sleeve in the insulating yellow paper sleeve insertion interface 231 to complete the loading of the insulating yellow paper sleeve.

[0038] like Figure 8 As shown, the receiving tray 66 includes a disc 661, and a plug-in arm 662 is formed on one side of the disc 661. The plug-in arm 662 is eccentrically set on the disc 661, so that the height of the plug-in arm 662 on the disc 661 is different, further avoiding the rotation of the plug-in arm 662 and interference with the output line of the PTC chip component.

[0039] like Figure 9 As shown, the first assembly station 7 includes a first bracket 71, a first linear guide 72 is fixed on the side of the first bracket 71, and a first lifting cylinder 73 is slidably connected to the first linear guide 72. The first linear guide 72 controls the position of the first lifting cylinder 73 on the diameter of the rotary worktable 20. The output end of the first lifting cylinder 73 is connected to the first slide cylinder 74. The first lifting cylinder 73 controls the height position of the first slide cylinder 74. The output end of the first slide cylinder 74 is connected to a claw 75. The first slide cylinder 74 controls the left and right positions of the claw, thereby adjusting the position of the claw 75 so that the claw 75 can accurately grasp the electrode sheet and place the electrode sheet in the second groove 222 in the first groove 221.

[0040] like Figure 10 As shown, the second assembly station 8 includes a second bracket 81, a second linear guide 82 is connected to the side of the second bracket 81, a second slide cylinder 83 is slidably connected to the second linear guide 82, the second linear guide 82 controls the front and rear positions of the second slide cylinder 83, the lower end of the second slide cylinder 83 is connected to a top plate 84, the second slide cylinder 83 controls the height position of the top plate 84, and the top plate 84 is used to push the electrode sheet and the chip into the insulating yellow paper sleeve to complete the assembly of the PTC chip assembly.

[0041] Assembly process:

[0042] (1) The fixture is first placed at the electrode sheet loading station, and the electrode sheet is placed in the first groove and the second groove;

[0043] (2) Rotate to the next station and move the fixture to the electrode sheet detection station to detect whether there is an electrode sheet;

[0044] (3) Rotate to the next station, and the fixture rotates to the PTC chip loading station, and place the PTC chip on the electrode sheet in the first groove:

[0045] (4) Rotate to the next station, the jig rotates to the insulating yellow paper sleeve loading station, and inserts the insulating yellow paper sleeve into the insulating yellow paper sleeve insertion interface of the jig;

[0046] (5) Rotate to the next station, the jig rotates to the first assembly station, and use the assembly component to move the electrode sheet in the second groove to the PTC chip in the first groove;

[0047] (6) Rotate to the next station, rotate the fixture to the second assembly station, lift the electrode sheet mounting seat so that the first groove and the insulating yellow paper sleeve insertion interface are in the same straight line, and use the assembly component to push the electrode sheet and PTC chip into the insulating yellow paper sleeve to complete the assembly of the PTC chip component;

[0048] (7) Rotate to the next station, and the fixture rotates to the unloading station to complete the unloading of the PTC chip component.

[0049] (8) Rotate to the next station, and the fixture rotates to the residual material detection station to complete the residual material detection on the fixture.

[0050] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. The assembly fixture for the PTC chip includes a base plate, characterized by: The bottom plate is provided with an electrode sheet mounting seat and an insulating yellow paper sleeve positioning plate distributed front and back, and a first groove and a second groove are provided on the surface of the electrode sheet mounting seat, and the first groove and the second groove are used to place the electrode sheet respectively. An insulating yellow paper sleeve plug-in interface is provided on the surface of the insulating yellow paper sleeve positioning plate, and a push rod is inserted in the bottom plate, and the upper end of the push rod is connected to the lower end of the electrode sheet mounting seat, and a push plate is provided at the lower end of the push rod, and the push plate is located below the bottom plate. When assembled, the first groove and the insulating yellow paper sleeve plug-in interface are in the same straight line.

2. The PTC chip assembly jig according to claim 1, characterized in that: A negative pressure hole is provided on the upper surface of the insulating yellow paper sleeve positioning plate, and the negative pressure hole is communicated with the insulating yellow paper sleeve plug-in interface.

3. The PTC chip assembly jig according to claim 1, characterized in that: The size of the first groove is smaller than the size of the insulating yellow paper sleeve interface. 4.PTC chip automatic assembly equipment, characterized by: It comprises a frame, on which a rotating worktable is fixed, and on which eight jigs according to any one of claims 1 to 3 are evenly fixed, and the eight jigs correspond to different workstations, including an electrode sheet loading station, an electrode sheet detection station, a PTC chip loading station, an insulating yellow paper sleeve loading station, a first assembly station, a second assembly station, a blanking station and a residual material detection station, the electrode sheet loading station is used to place the electrode sheet in the first groove and the second groove, the PTC chip loading station is used to place the PTC chip on the electrode sheet in the first groove, the first assembly station is used to place the electrode sheet in the second groove on the PTC chip, and the second assembly station is used to plug the electrode sheet and the PTC chip into the insulating yellow paper sleeve.

5. The automatic PTC chip assembly equipment according to claim 4, characterized in that: The PTC chip loading station includes a chip stacking turntable, a chip lifting assembly and a chip loading assembly. Four groups of stacked PTC chips are symmetrically distributed on the chip stacking turntable. Four PTC chip holders are fixed on the chip stacking turntable. The PTC chip is arranged in the PTC chip holder. A pushing hole is opened on the chip stacking turntable. A lifting fixing plate is fixed at the lower end of the chip stacking turntable. A rotating device is fixed at the lower end of the lifting fixing plate. The output end of the rotating device is connected to the chip stacking turntable. The chip lifting assembly is fixed to the lower end of the lifting fixing plate. The chip lifting assembly includes a vertical plate fixed at the lower end of the lifting fixing plate and a lifting module fixed on the side of the vertical plate. A push rod is fixed on the lifting module. The chip lifting assembly is used to lift a PTC chip above the PTC chip holder, and the chip loading assembly grabs the PTC chip onto the fixture.

6. The automatic PTC chip assembly equipment according to claim 5, characterized in that: The chip loading assembly includes a column, a horizontal slide rail is connected to the column, a horizontal slider slides on the horizontal slide rail, a horizontal cylinder is connected to one side of the horizontal slider, the horizontal cylinder is fixed on one end of the horizontal slide rail and connected to the horizontal slider, the horizontal cylinder controls the movement of the horizontal slider, the side of the horizontal slider is connected to a vertical slide rail, a vertical slider slides on the vertical slide rail, a vertical cylinder is connected to the upper end side of the vertical slide rail, a suction cup mounting plate is connected to the side of the vertical slider, the output end of the vertical cylinder is connected to the suction cup mounting plate, the lower end of the suction cup mounting plate is fixed with a suction cup, and the suction cup grabs the PTC chip onto the jig.

7. The automatic PTC chip assembly equipment according to claim 4, characterized in that: An insulating yellow paper sleeve vibration plate is also provided on the outside of the frame, and a material guide trough fixing frame is also fixed on the frame, and a material guide trough is installed on the material guide trough fixing frame. A linear module is provided on one side of the material guide trough, and a rotary cylinder slides on the linear module. A receiving tray is connected to the output end of the rotary cylinder, and the receiving tray is used to transfer the insulating yellow paper sleeve on the material guide trough to the jig.

8. The automatic PTC chip assembly equipment according to claim 7, characterized in that: The receiving tray comprises a circular tray, one side of which is formed with a plug-in arm, which is biasedly arranged on the circular tray.

9. The automatic PTC chip assembly equipment according to claim 4, characterized in that: The first assembly station includes a first bracket, a first linear guide rail is fixed on the side of the first bracket, a first lifting cylinder is slidably connected to the first linear guide rail, the output end of the first lifting cylinder is connected to the first slide cylinder, and the output end of the first slide cylinder is connected to a hook claw.

10. The automatic PTC chip assembly equipment according to claim 4, characterized in that: The second assembly station includes a second bracket, a second linear guide is connected to the side of the second bracket, a second slide cylinder is slidably connected to the second linear guide, and the lower end of the second slide cylinder is connected to a top plate, which is used to push the electrode sheet and chip into the insulating yellow paper sleeve.

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