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

Abstract

The invention discloses a PTC chip assembling jig and PTC chip automatic assembling equipment, the PTC chip assembling jig comprises a bottom plate, the bottom plate is provided with an electrode slice mounting seat and an insulating yellow paper sleeve positioning plate which are distributed front and back, the surface of the electrode slice mounting seat is provided with a first groove and a second groove, the first groove and the second groove are respectively used for embedding an electrode slice, and the insulating yellow paper sleeve positioning plate is arranged in the first groove and the second groove. During assembly, the first groove and the insulation yellow paper sleeve inserting port are located on the same straight line, the height of the electrode slice installation base is adjusted through the jig, the insulation yellow paper sleeve inserting port is flush with the bottom face of the first groove, the electrode slice and the PTC chip are pushed into the insulation yellow paper sleeve, the electrode slice installation base and the insulation yellow paper sleeve positioning plate are assembled, and then the PTC chip is assembled. The assembly of the PTC chip is completed; 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 present invention relates to the technical field of PTC chip assembly, in particular to an assembly jig for PTC chips and automatic assembly equipment for PTC chips. Background Art

[0002] In the existing PTC chip component production process, the 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. The manual assembly efficiency is low, and the 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. Summary of the invention

[0003] The purpose of the present invention is to provide an assembly jig for a PTC chip, adjust the height of an electrode sheet mounting seat, make an insulating yellow paper sleeve insertion interface flush with the bottom surface of a 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 the PTC chip realizes the assembly of the chip and the insulating yellow paper sleeve through two assembly stations by rotating a rotating worktable, thereby improving the assembly efficiency and ensuring the qualified rate.

[0004] The present invention provides the following technical solution: an assembly jig for a PTC chip, comprising a base plate, on which an electrode sheet mounting seat and an insulating yellow paper sleeve positioning plate are arranged in a front-to-rear manner, 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 plug-in 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, and during assembly, the first groove and the insulating yellow paper sleeve plug-in 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, so as to solve the problem of bending and wrinkling of the yellow paper by 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 invention also provides the following technical solution: PTC chip automatic assembly equipment, including a frame, a rotating worktable is fixed on the frame, and eight of the above-mentioned fixtures are evenly fixed on the rotating worktable, and the eight fixtures 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 unloading 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 scheme, 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 centrally 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 and 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 and fixing plate, the output end of the rotating device is connected to the chip stacking turntable, the chip lifting assembly is fixed at the lower end of the lifting and fixing plate, the chip lifting assembly includes a vertical plate fixed at the lower end of the lifting and fixing plate and a lifting module fixed at the side of the vertical plate, a push rod is fixed on the lifting module, the chip lifting assembly is used to lift a piece of PTC chip to the top of the PTC chip holder, and the chip loading assembly grabs the PTC chip onto the fixture.

[0009] According to the above technical scheme, the chip loading assembly includes a column, a transverse slide rail is connected to the column, a transverse slider slides on the transverse slide rail, a transverse cylinder is connected to one side of the transverse slider, the transverse cylinder is fixed on one end of the transverse slide rail and connected to the transverse slider, the transverse cylinder controls the movement of the transverse slider, the side of the transverse 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 fixture.

[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 is slid 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 plate includes a circular plate, one side of the circular plate is formed with a plug-in arm, and the plug-in arm is eccentrically arranged on the circular plate.

[0012] According to the above technical solution, the first assembly station includes a first bracket, a first linear guide is fixed on the side of the first bracket, a first lifting cylinder is slidably connected to the first linear guide, 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 a top plate is connected to the lower end of the second slide cylinder, and the top plate is used to push the electrode sheet and the chip into the insulating yellow paper sleeve.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are: (1) By designing a jig, the height of the electrode sheet mounting seat is adjusted so that the insulating yellow paper sleeve insertion interface is flush with the bottom surface of the first groove, and the electrode sheet and the PTC chip are pushed into the insulating yellow paper sleeve to complete the assembly of the PTC chip; (2) Negative pressure adsorption is used to ensure the inner cavity size to meet the chip component assembly requirements, solving the problem of bending and wrinkling of the insulating yellow paper sleeve; (3) The chip assembly and the insulating yellow paper sleeve are assembled through two assembly stations by rotating the rotary table, which improves the assembly efficiency and ensures the qualified rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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: Figure 1 is a three-dimensional diagram of the jig of the present invention; Figure 2 is a front view of the jig of the present invention; Figure 3 is a three-dimensional diagram of the automatic PTC chip assembly equipment of the present invention; Figure 4is a three-dimensional diagram of the automatic PTC chip assembly equipment of the present invention from another perspective; Figure 5 It is a three-dimensional diagram of the PTC chip loading station of the present invention; Figure 6 It is a front view of the PTC chip loading station of the present invention; Figure 7 It is a front view of the insulating yellow paper sleeve loading station of the present invention; Figure 8 It is a front view of the receiving tray of the present invention; Fig. 9 It is a three-dimensional diagram of the first assembly station of the present invention Fig.10 is a perspective view of the second assembly station of the present invention; In the figure: 1, frame; 20, rotating workbench; 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 frame; 64. Linear module; 65. Rotary cylinder; 66. Receiving plate; 661. Disc; 662. Plug-in arm; 7. First assembly station; 71. First bracket; 72. First linear guide rail; 73. First lifting cylinder; 74. First slide cylinder; 75. Claw; 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

[0016] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0017] See also Figure 1 and Figure 2 The present invention provides a technical solution: an assembly jig for a PTC chip, comprising a bottom plate 21, on which are arranged front-to-back distributed electrode sheet mounting seats 22 and insulating yellow paper sleeve positioning plates 23, the insulating yellow paper sleeve positioning plates 23 being able to move up and down, a first groove 221 and a second groove 222 being provided on the surface of the electrode sheet mounting seats 22, the first groove 221 and the second groove 222 being used to place the electrode sheets respectively, an insulating yellow paper sleeve insertion interface 231 being provided through the surface of the insulating yellow paper sleeve positioning plates 23, the insulating yellow paper sleeve insertion interface 231 being used to embed the insulating yellow paper sleeve, a push rod 241 being inserted into the bottom plate 21, the upper end of the push rod 241 being connected to the lower end of the electrode sheet mounting seats 22, a push plate 24 being provided at the lower end of the push rod 241, the push plate 24 being located below the bottom plate 21, during assembly, the push plate 24 is lifted, the belt The push rod 241 rises and pushes 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 the fixture is used, the electrode sheet is first placed in the first groove 221 and the second groove 222, and then the PTC chip is placed in the first groove 221, so that the PTC chip is located on the electrode sheet, and then the insulating yellow paper sleeve is embedded in the insulating yellow paper sleeve insertion interface 231. Next, the electrode sheet in the second groove 222 is placed in the first groove 221, so that the two electrode sheets are located on the upper and lower surfaces of the PTC chip. Finally, the height of the electrode sheet mounting seat 22 is adjusted to make the insulating yellow paper sleeve insertion interface 231 flush with the bottom surface of the first groove 221, and the electrode sheet and the PTC chip are pushed into the insulating yellow paper sleeve to complete the assembly of the PTC chip.

[0018] 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.

[0019] 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.

[0020] like Figure 3 and 4As shown, the present invention also provides a technical solution: a PTC chip automatic assembly device, comprising a frame 1, a rotating worktable 20 is fixed on the frame 1, eight of the above-mentioned fixtures 2 are evenly fixed on the rotating worktable 20, and 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, and the first assembly station 7 is used to place the PTC chip on the second groove 222. The electrode sheet in 22 is placed on the PTC chip, and the second assembly station 8 is used to plug 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 lifting 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 assembly by going through 8 processes in sequence, so that the PTC chip assembly is produced automatically, and the production efficiency and production quality of the PTC chip assembly are improved.

[0021] 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 rotating 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 on the lower end of the lifting fixing plate 513 and a lifting module 522 fixed on the side of the vertical plate 521, a push rod 523 is fixed on the lifting module 522, 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 piece of 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.

[0022] 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 slides on 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, an 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, a transverse cylinder 534 controls the movement of the transverse slider 533, and further controls the front and rear position of the suction cup 539, and 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.

[0023] like Figure 7As shown, an insulating yellow paper sleeve vibration plate 61 is also provided on the outside of the frame 1, and the insulating yellow paper sleeve vibration plate 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 seat 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. A receiving tray 66 is connected to the output end of the rotary cylinder 65, 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 fixture 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 fixture 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, so that the insulating yellow paper sleeve is further embedded in the insulating yellow paper sleeve insertion interface 231 to complete the loading of the insulating yellow paper sleeve.

[0024] like Figure 8 As shown, the receiving plate 66 includes a disc 661, and a plug arm 662 is formed on one side of the disc 661. The plug arm 662 is eccentrically set on the disc 661 so that the height of the plug arm 662 on the disc 661 is different, further avoiding the rotation of the plug arm 662 and the interference of the output line of the PTC chip component.

[0025] like Fig. 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, 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 rotating 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 position 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.

[0026] like Fig.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.

[0027] Assembly process: (1) The fixture first places the electrode sheet in the first groove and the second groove at the electrode sheet loading station; (2) Rotate to the next station and turn the fixture to the electrode sheet detection station to detect whether there is an electrode sheet; (3) Rotate to the next station, the fixture rotates to the PTC chip loading station, and places the PTC chip on the electrode sheet in the first groove: (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; (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 onto the PTC chip in the first groove; (6) Rotate to the next station, rotate the fixture to the second assembly station, lift the electrode sheet mounting seat, make the first groove and the insulating yellow paper sleeve insertion interface in the same straight line, use the assembly component to push the electrode sheet and PTC chip into the insulating yellow paper sleeve, and complete the assembly of the PTC chip assembly; (7) Rotate to the next station, and the fixture rotates to the unloading station to complete the unloading of the PTC chip component. (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.

[0028] Finally, it should be noted that the above description is only 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 can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An assembly jig for a PTC chip, including a base plate, characterized in that: The bottom plate is provided with an electrode sheet mounting seat and an insulating yellow paper sleeve positioning plate distributed front and back, 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 plug-in interface is provided through the surface of the insulating yellow paper sleeve positioning plate, a push rod is inserted in the bottom 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 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 plug-in interface. 4.PTC chip automatic assembly equipment, characterized by: It comprises a frame, on which a rotating worktable is fixed, on which eight jigs according to any one of claims 1 to 4 are evenly fixed, 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.

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 and 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 and fixing plate. The output end of the rotating device is connected to the chip stacking turntable. The chip lifting assembly is fixed at the lower end of the lifting and fixing plate. The chip lifting assembly includes a vertical plate fixed at the lower end of the lifting and fixing plate and a lifting module fixed at 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. 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 transverse slide rail is connected to the column, a transverse slider slides on the transverse slide rail, a transverse cylinder is connected to one side of the transverse slider, the transverse cylinder is fixed on one end of the transverse slide rail and connected to the transverse slider, the transverse cylinder controls the movement of the transverse slider, a vertical slide rail is connected to the side of the transverse slider, 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 fixture.

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, 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 is slid 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 fixture.

8. The automatic PTC chip assembly equipment according to claim 7, characterized in that: The receiving plate comprises a circular plate, one side of which is formed with an inserting arm, and the inserting arm is eccentrically arranged on the circular plate.

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 is fixed on the side of the first bracket, a first lifting cylinder is slidably connected to the first linear guide, an output end of the first lifting cylinder is connected to a first slide cylinder, and an output end of the first slide cylinder is connected to a hook.

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 a top plate is connected to the lower end of the second slide cylinder, and the top plate is used to push the electrode sheet and the chip into the insulating yellow paper sleeve.

Images