CN208126947U - A Knob Potentiometer Automatic Assembly Machine - Google Patents

Abstract

The utility model discloses an automatic assembling machine for knob potentiometers, which comprises an assembling table, wherein a fixed disc and a rotary disc are coaxially arranged in the center, and the assembling table is sequentially provided with a rubber shell feeding device, a body feeding device, a fixed ring feeding device, a heat-shrinkable device for fixing the fixed ring and a rubber shell shaft core in a heat-shrinkable manner, a rubber core feeding device, a riveting device for riveting and fixing the rubber core on the rubber shell shaft core, a first terminal feeding device, a second terminal feeding device and an unloading device for separating the assembled knob potentiometers from a jig along the rotating direction of the rotary disc; the edge of the rotary table is provided with a plurality of jigs at equal angle intervals, and the center of the jig is provided with a placing groove for assembling the knob potentiometer. The utility model has reasonable structure, improves the consistency and reliability of the knob potentiometer and ensures the quality of finished products; the body is fixed in the placing groove through the cooperation of the locking block and the clamping block, the assembling precision is improved, and the automatic assembling of the knob potentiometer is realized.

Description

A Knob Potentiometer Automatic Assembly Machine

technical field

The utility model relates to the field of potentiometer assembly equipment, in particular to an automatic assembly machine for knob potentiometers.

Background technique

At present, the base of the knob potentiometer is composed of the first terminal A, the second terminal B, the rubber core C, the fixing ring D, the body E and the plastic shell F (as shown in Figure 3). The rubber shell is first riveted with a brush that is slidingly connected with the carbon sheet. The knob potentiometer needs to fix the body and the rubber shell through the fixing ring and the rubber core, and then assemble the first terminal and the second terminal into the body. Since the body is not Rules, it is easy to rotate and shift in the plastic shell during assembly, making it difficult to assemble the first terminal and the second terminal in place, and it is easy to miss the terminal, resulting in unstable product consistency and reliability after assembly, low production efficiency, and low production efficiency. The cost is high and the rate of defective products is high; there is an urgent need in the market for a rotary potentiometer assembly machine that can improve product consistency and reliability, increase production efficiency, reduce production costs, and reduce labor intensity of workers.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide an automatic assembly machine for knob potentiometers.

In order to achieve the above purpose, the technical solution provided by the utility model is: an automatic assembly machine for knob potentiometers, including an assembly platform with a fixed disk and a turntable arranged coaxially in the center, and the assembly stations are arranged in sequence along the direction of rotation of the turntable There are rubber shell feeding device, body feeding device, fixing ring feeding device, heat shrinking device for fixing the fixing ring and the rubber shell shaft core by heat shrinkage, rubber core feeding device, riveting and fixing the rubber core on the rubber shell shaft The riveting device on the core, the first terminal feeding device, the second terminal feeding device, and the unloading device for separating the assembled knob potentiometer from the jig; the edge of the turntable is provided with multiple The jig, the center of the jig is provided with a slot for assembling the knob potentiometer, two clamping blocks are symmetrically arranged on both sides of the slot along the horizontal direction, and the middle of the clamping block is provided with a locking mechanism for driving the horizontal movement of the clamping block. The body feeding device drives the locking block to drive the clamping block to move into the placement slot to clamp and fix the body in the placement slot, and the unloading device drives the locking block to drive the clamping block to move and reset away from the placement slot.

To further elaborate the scheme, the length direction of the jig is provided with a sliding hole at the position where the clamping block is installed, the sliding hole leads to the placement groove, the locking block is vertically arranged with the clamping block, and the middle of the clamping block is opened There is a through hole for the locking block to pass through, and a guide rod is arranged in the through hole, and a guide groove in the shape of a broken line is formed in the length direction of the locking block, and the guide rod slides along the guide groove to drive the clamping block Move in the horizontal direction.

To further elaborate on the scheme, the plastic shell feeding device includes a plastic shell linear material channel, a plastic shell feeding connection platform, a plastic shell feeding manipulator, and a plastic shell feeding moving assembly arranged in sequence, and the plastic shell feeding connection The table is set on one side of the turntable jig, the plastic shell feeding moving assembly is installed on the fixed plate, and the plastic shell feeding manipulator passes the plastic shell feeding moving assembly between the plastic shell feeding connection table and the jig Move, between the plastic shell feeding moving assembly and the plastic shell feeding manipulator, there is a plastic shell feeding rotary motor that drives the plastic shell feeding manipulator to rotate; The direction of the road is provided with a rubber case feeding separation rod driven by a rubber case separation cylinder, and the center of the rubber case feeding separation rod is formed with a first accommodating groove for accommodating a rubber case; above the plastic case feeding separation rod A rubber shell feeding press plate driven by the first driving cylinder is arranged in parallel, and the end of the plastic shell feeding pressing plate limits the plastic shell in the first accommodation groove.

To further elaborate on the scheme, the body feeding device includes a body linear material channel, a body feeding connection platform, a body feeding manipulator and a body feeding moving assembly arranged in sequence, and the body feeding moving assembly is installed on a fixed plate, A body feeding rotating motor that drives the body feeding manipulator to rotate is provided between the body feeding moving assembly and the body feeding manipulator, and the fixed plate is provided with a lowering cylinder driven by a lower pressure cylinder on both sides of the body feeding manipulator. The pressing rod, the lower pressing rod presses down the locking block of the jig to drive the clamping block to fix the body in the placement groove; the body feeding connection platform is provided with a body feeding separation rod driven by a body separation cylinder, One end of the body feeding separation rod is provided with a second accommodating groove for accommodating a body, and the body feeding moving assembly drives the body feeding manipulator to move between the second accommodating groove and the jig placement groove.

To further elaborate on the scheme, the fixed ring feeding device includes a fixed ring linear material channel arranged in sequence, a fixed ring feeding connection platform located on one side of the turntable jig, a fixed ring feeding manipulator and a fixed ring feeding moving assembly. The fixed ring feeding and connecting platform is provided with a fixed ring feeding separation rod perpendicular to the fixed ring straight material path. The ring feeding moving component drives the fixed ring feeding manipulator to move between the third receiving slot and the jig placing slot.

To further elaborate on the scheme, the rubber core feeding device includes a rubber core linear material channel arranged in sequence, a rubber core feeding connection platform located on one side of the turntable jig, a rubber core feeding manipulator, and a rubber core feeding moving assembly. The rubber core feeding connection table is provided with a rubber core feeding separation rod perpendicular to the rubber core linear material path, and the end of the rubber core feeding separation rod is formed with a fourth accommodating groove for accommodating the rubber core. The core loading moving component drives the rubber core loading manipulator to move between the fourth receiving slot and the jig placement slot.

To further elaborate on the scheme, the riveting device includes a riveting cylinder, a lever, a riveting rubber core and a riveting punch for the rubber shell axis arranged in sequence, a riveting support seat is provided on the assembly table, and the riveting The closing cylinder is fixed on the riveting support base, the middle part of the lever is pivotally connected with the riveting support base as the fulcrum of the lever, and a guide rail for guiding the riveting punch is provided on one side of the riveting support base.

To further elaborate on the scheme, the first terminal feeding device includes a first terminal linear feeder, a first feeding manipulator and a first installation assembly, and a first feeding rack is provided on one side of the first terminal linear feeder, The first loading frame is provided with a first rotating seat driven by a first rotating motor and a first translation assembly that drives the first rotating motor to move linearly, and the first feeding manipulator is installed on the first rotating seat; The first installation assembly includes a first punch and a first bracket arranged above the jig placement slot, the shape of the first bracket matches the placement slot, and the first bracket is opened to lead to the placement slot. The first installation hole of the main body, the fixed plate is provided with a first lifting seat driven by the first lifting cylinder fixedly connected with the first bracket, the first punch is arranged directly above the first installation hole, the The first punch is driven and connected with a first installation cylinder; the end of the first terminal linear channel is provided with a first separation thimble driven by a first separation cylinder that separates adjacent first terminals; the first feeding Driven by the first translation component and the first rotating motor, the manipulator rotates the first terminal in the first terminal linear channel by 90 degrees and places it in the first installation hole, and the first punch pushes the first terminal in the first installation hole. The terminals are pushed onto the body.

To further elaborate on the solution, the second terminal feeding device includes a second terminal linear material path, a second feeding manipulator and a second installation assembly, and a second terminal loading rack is provided on one side of the second terminal linear material path, The second loading frame is provided with a second rotating base driven by a second rotating motor and a second translation assembly that drives the second rotating motor to move linearly, and the second feeding manipulator is installed on the second rotating base; The second installation assembly includes a second punch and a second bracket arranged above the jig placement slot, the shape of the second bracket matches the placement slot, and the second bracket is opened to lead to the placement slot. The second mounting hole of the main body, the fixed plate is provided with a second lifting seat driven by the second lifting cylinder fixedly connected with the second bracket, the second punch is arranged directly above the second mounting hole, the The second punch is driven and connected with a second installation cylinder; the end of the linear material path of the second terminal is provided with a second separation thimble driven by a second separation cylinder that separates the adjacent second terminal; the second feeding Driven by the second translation component and the second rotating motor, the manipulator rotates the second terminal in the second terminal linear material channel by 90 degrees and places it in the second installation hole, and the second punch pushes the second terminal in the second installation hole. The terminals are pushed onto the body.

To further elaborate on the scheme, the unloading device includes an unloading elevating seat driven by an unloading lifting cylinder arranged directly under the jig, and an unloading slideway arranged outside the jig, and the upper end of the unloading elevating seat is provided with two A reset thimble that pushes the locking block upwards and resets. A discharge thimble that pushes the assembled knob potentiometer from the placement slot to the discharge chute is arranged between the two reset thimbles. Below the discharge thimble The drive is connected with an unloading drive cylinder; the fixed plate is provided with a stopper on the side opposite to the unloading chute.

The beneficial effect of the utility model is that the structure is reasonable, the consistency and reliability of the knob potentiometer are improved, the quality of the finished product is guaranteed, the production efficiency is improved, the production cost is reduced, the labor intensity is reduced, and the enterprise benefit is improved; The cooperation fixes the body in the placement slot, avoids the incomplete terminal assembly caused by the rotation of the body in the placement slot, improves the assembly accuracy, and realizes the automatic assembly of the knob potentiometer.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a schematic view of the structure of the utility model in top view.

Figure 3 is a schematic diagram of the disassembled structure of the knob potentiometer.

Fig. 4 is a schematic structural view of the turntable jig.

Fig. 5 is a structural schematic diagram of a rubber shell feeding device.

Fig. 6 is a schematic structural view of the body feeding device.

Fig. 7 is a schematic structural view of a fixed ring feeding device.

Fig. 8 is a schematic structural view of a rubber core feeding device.

Fig. 9 is a schematic structural view of the riveting device.

Fig. 10 is a schematic structural view of the first terminal feeding device.

Fig. 11 is a schematic structural view of the second terminal feeding device.

Fig. 12 is a schematic structural view of the unloading device.

In the figure: 1. Rubber shell feeding device; 11. Rubber shell feeding connection platform; 12. Plastic shell feeding separation rod; 13. Plastic shell feeding pressure plate; 14. Plastic shell feeding manipulator; 15. Plastic shell Feeding rotary motor; 16. Rubber shell feeding moving assembly;

2. Body feeding device; 21. Body feeding connecting platform; 22. Body feeding separation lever; 23. Body feeding manipulator; 24. Body feeding rotating motor; 25. Body feeding moving assembly; 26. Lowering pressure rod;

3. Fixed ring feeding device; 31. Fixed ring feeding separation rod; 32. Fixed ring feeding manipulator; 33. Fixed ring feeding connection platform; 34. Fixed ring feeding moving assembly;

4. Heat shrinking device; 5. Rubber core feeding device; 51. Rubber core feeding separation rod; 52. Rubber core feeding connection platform; 53. Rubber core feeding manipulator; 54. Rubber core feeding moving component;

6. Riveting device; 61. Riveting support seat; 62. Riveting cylinder; 63. Lever; 64. Guide rail; 65. Riveting punch;

7. The first terminal feeding device; 71. The first translation assembly; 72. The first rotating seat; 73. The first separation cylinder; 74. The first feeding manipulator; 75. The first lifting seat; 76. The first punch head; 77, the first supporting block;

8. The second terminal feeding device; 81. The second translation component; 82. The second rotating seat; 83. The second feeding manipulator; 84. The second separation cylinder; 85. The second punch; 86. The second lift seat; 87, the second supporting block;

9. Unloading device; 91. Unloading lifting seat; 92. Unloading thimble; 93. Reset thimble; 94. Block; 95. Unloading slide; 10. Assembly table; 101. Fixed plate; 102. Turntable; 103. Jig; 104. Clamping block; 105. Locking block; 106. Placement slot; A. First terminal; B. Second terminal; C. Rubber core; D. Fixing ring; E. Body; F. Glue shell.

Detailed ways

The specific embodiment of the utility model is introduced with reference to accompanying drawing 1 to accompanying drawing 12.

As shown in Figure 1-12, an automatic assembly machine for knob potentiometers includes an assembly table 10 with a fixed disk 101 and a turntable 102 arranged coaxially in the center, and the assembly table 10 is sequentially provided with plastic shells along the direction of rotation of the turntable 102 Feeding device 1, body feeding device 2, fixing ring feeding device 3, heat shrinking device for fixing the fixing ring and the shaft core of the rubber shell by heat shrinking 4, rubber core feeding device 5, riveting and fixing the rubber core on the glue The riveting device 6 on the shaft core of the shell, the first terminal feeding device 7, the second terminal feeding device 8, the unloading device 9 for disengaging the assembled knob potentiometer from the jig 103; the edge of the turntable 102, etc. A plurality of jigs 103 are arranged at angular intervals, and a slot 106 for assembling the knob potentiometer is opened in the center of the jig 103. Two clamping blocks 104 are arranged symmetrically along the horizontal direction on both sides of the slot 106, and a drive clamp is set in the middle of the clamping block 104. The locking block 105 of the block 104 moves horizontally, the body feeding device 2 drives the locking block 105 to drive the clamping block 104 to move in the placement groove 106 to clamp and fix the body in the placement groove 106, and the unloading device 9 drives the locking block 105 to drive The clamping block 104 moves away from the placement groove 106 and resets.

As shown in Figure 4, the length direction of the jig 103 is provided with a slide hole at the position where the clamp block 104 is installed, the slide hole leads to the placement groove 106, the locking block 105 is vertically arranged with the clamp block 104, and the middle of the clamp block 104 is opened. There is a through hole for the locking block 105 to pass through. A guide rod is arranged in the through hole. A guide groove in a broken line is formed in the length direction of the locking block 105. The guide rod slides along the guide groove to drive the clamping block 104 in the horizontal direction. move up.

As shown in Figure 5, the plastic shell feeding device 1 includes a plastic shell linear material path, a plastic shell feeding connection platform 11, a plastic shell feeding manipulator 14, and a plastic shell feeding moving assembly 16 arranged in sequence. The connecting platform 11 is set on the side of the turntable 102 and the jig 103, the plastic shell feeding moving assembly 16 is installed on the fixed plate 101, and the plastic shell feeding manipulator 14 passes the plastic shell feeding moving assembly 16 on the plastic shell feeding docking station. 11 and the jig 103, between the plastic shell feeding moving assembly 16 and the plastic shell feeding manipulator 14 is provided with a plastic shell feeding rotary motor 15 that drives the plastic shell feeding manipulator 14 to rotate; the plastic shell feeding connection The platform 11 is provided with a rubber case feeding separation rod 12 driven by a rubber case separation cylinder along the direction vertical to the straight line material path of the rubber case, and the center of the rubber case feeding separation rod 12 is formed with a first accommodating groove for accommodating a plastic case; Above the shell feeding separation rod 12, there is a plastic shell feeding press plate 13 driven by the first driving cylinder in parallel, and the end of the plastic shell feeding pressing plate 13 limits the plastic shell in the first accommodation groove.

As shown in Figure 6, the body feeding device 2 includes a body linear material channel, a body feeding connection platform 21, a body feeding manipulator 23 and a body feeding moving assembly 25 arranged in sequence, and the body feeding moving assembly 25 is installed on a fixed On the disc 101, a body feeding rotating motor 24 that drives the body feeding manipulator 23 to rotate is provided between the body feeding moving assembly 25 and the body feeding manipulator 23, and the fixed plate 101 is provided with The lower pressure rod 26 driven by the lower pressure cylinder, the lower pressure rod 26 presses down the locking block 105 of the jig 103 and drives the clamp block 104 to fix the body in the placement groove 106; Body feeding separation rod 22 driven by cylinder, one end of body feeding separation rod 22 is provided with a second accommodation groove for accommodating a body, body feeding moving assembly 25 drives body feeding manipulator 23 in the second accommodation groove and jig 103 Move between placement slots 106.

As shown in Figure 7, the fixed ring feeding device 3 includes a fixed ring linear material channel arranged in sequence, a fixed ring feeding connection platform 33 located on one side of the turntable 102 jig 103, a fixed ring feeding manipulator 32 and a fixed ring upper The material moving assembly 34, the fixed ring feeding connection platform 33 is provided with a fixed ring feeding separation rod 31 perpendicular to the fixed ring straight line material path, and the end of the fixed ring feeding separation rod 31 is opened with a third accommodating ring for receiving the fixed ring. Groove, fixed ring feeding movement assembly 34 drives the fixed ring feeding manipulator 32 to move between the third receiving groove and the jig 103 placing groove 106 .

As shown in FIG. 8 , the rubber core feeding device 5 includes a rubber core linear material path arranged in sequence, a rubber core feeding connection table 52 located on the side of the turntable 102 jig 103 , a rubber core feeding manipulator 53 and a rubber core feeding machine. The material moving component 54, the rubber core feeding connection platform 52 is provided with a rubber core material feeding separation rod 51 perpendicular to the rubber core linear material path, and the end of the rubber core material feeding separation rod 51 is opened with a fourth container for accommodating the rubber core. Groove, the rubber core loading moving assembly 54 drives the rubber core loading manipulator 53 to move between the fourth accommodating slot and the jig 103 placing slot 106 .

As shown in Figure 9, the riveting device 6 includes a riveting cylinder 62, a lever 63, a riveting punch 65 for riveting the rubber core and a rubber shell axis arranged in sequence, and a riveting support seat 61 provided on the assembly platform 10 , the riveting cylinder 62 is fixed on the riveting support seat 61, the middle part of the lever 63 is pivotally connected with the riveting support seat 61 as the fulcrum of the lever 63, and one side of the riveting support seat 61 is provided with a guide riveting punch 65 Rail 64.

As shown in FIG. 10 , the first terminal feeding device 7 includes a first terminal linear feeder, a first feeding manipulator 74 and a first installation assembly, and a first feeding rack is provided on one side of the first terminal linear feeder. The first feeding rack is provided with a first rotating base 72 driven by a first rotating motor and a first translation assembly 71 that drives the first rotating motor to move linearly, and the first feeding manipulator 74 is installed on the first rotating base 72; An installation assembly comprises the first punch 76 and the first support block 77 that are arranged on jig 103 placement groove 106 tops, and the shape of first support block 77 matches with placement groove 106, and the first support block 77 is opened to lead to place The first mounting hole of the groove 106 body, the fixed plate 101 is provided with the first lifting seat 75 driven by the first lifting cylinder fixedly connected with the first bracket block 77, the first punch 76 is arranged directly above the first mounting hole, The first punch 76 is driven and connected with a first installation cylinder; the end of the first terminal linear channel is provided with a first separation thimble driven by the first separation cylinder 73 to separate adjacent first terminals; the first feeding manipulator 74 Driven by the first translation assembly 71 and the first rotating motor, the first terminal in the first terminal linear channel is rotated by 90 degrees and placed in the first installation hole, and the first punch 76 pushes the first terminal in the first installation hole Push it onto the body.

As shown in FIG. 11 , the second terminal feeding device 8 includes a second terminal linear material path, a second feeding manipulator 83 and a second installation assembly, and a second terminal feeding rack is provided on one side of the second terminal linear material path. The second loading rack is provided with a second rotating base 82 driven by a second rotating motor and a second translation assembly 81 that drives the second rotating motor to move linearly, and the second feeding manipulator 83 is installed on the second rotating base 82; The second installation assembly includes a second punch 85 and a second bracket 87 that are arranged above the slot 106 of the jig 103. The shape of the second bracket 87 matches the slot 106, and the second bracket 87 is opened to lead to the placement. The second mounting hole of the groove 106 body, the fixed plate 101 is provided with the second lifting seat 86 driven by the second lifting cylinder fixedly connected with the second bracket block 87, the second punch 85 is arranged directly above the second mounting hole, The second punch 85 is driven and connected with a second installation cylinder; the end of the second terminal linear material path is provided with a second separation thimble driven by the second separation cylinder 84 that separates the adjacent second terminal; the second feeding manipulator 83 Driven by the second translation assembly 81 and the second rotating motor, the second terminal in the second terminal linear channel is rotated by 90 degrees and placed in the second mounting hole, and the second punch 85 pushes the second terminal in the second mounting hole Push it onto the body.

As shown in Figure 12, the unloading device 9 includes a discharge lifting seat 91 driven by a discharge lifting cylinder arranged directly below the jig 103, a discharge slideway 95 arranged on the outside of the jig 103, and a discharge elevating seat 91. There are two reset thimbles 93 that push the locking block 105 upward to reset at the upper end, and a discharge thimble that pushes the assembled knob potentiometer from the placement groove 106 to the discharge slide 95 is provided between the two reset thimbles 93 92 , the unloading driving cylinder is driven and connected under the unloading thimble 92 ;

The above description does not limit the technical scope of the present utility model in any way. All modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model still belong to the scope of the technical solution of the present utility model.

Claims (10)

1. An automatic assembly machine for knob potentiometers, characterized in that it includes an assembly platform with a fixed disk and a turntable coaxially arranged in the center, and the assembly platform is sequentially provided with a rubber shell feeding device and a body along the direction of rotation of the turntable Feeding device, fixed ring feeding device, heat shrinking device for fixing the fixed ring and the shaft core of the rubber shell by heat shrinkage, rubber core feeding device, riveting device for riveting and fixing the rubber core on the rubber shell shaft core, No. A terminal feeding device, a second terminal feeding device, and an unloading device for disengaging the assembled knob potentiometer from the jig; multiple jigs are arranged at equiangular intervals on the edge of the turntable, and the center of the jig There is a placement slot for assembling the knob potentiometer, two clamping blocks are arranged symmetrically along the horizontal direction on both sides of the placement slot, a locking block is provided in the middle of the clamping block to drive the horizontal movement of the clamping block, and the body feeding device Driving the locking block drives the clamping block to move into the placement slot to clamp and fix the body in the placement slot, and the unloading device drives the locking block to drive the clamping block to move and reset away from the placement slot. 2. A kind of knob potentiometer automatic assembly machine according to claim 1, it is characterized in that, the length direction of said jig is provided with a sliding hole at the position where the clamping block is installed, and said sliding hole leads to a placement groove, The locking block is vertically arranged with the clamping block, and a through hole is formed in the middle of the clamping block for the locking block to pass through. A guide rod is arranged in the through hole, and a longitudinal direction of the locking block is formed with a The guide groove is a broken line, and the guide rod slides along the guide groove to drive the clamp block to move in the horizontal direction. 3. The automatic assembly machine for knob potentiometer according to claim 1, characterized in that, the plastic shell feeding device comprises a plastic shell straight line feeder, a plastic shell feeding connection platform, and a plastic shell upper The material manipulator and the plastic shell feeding moving assembly, the plastic shell feeding connection platform is set on the side of the turntable fixture, the plastic shell feeding moving assembly is installed on the fixed plate, and the plastic shell feeding manipulator passes through the glue The shell feeding moving assembly moves between the plastic shell feeding connecting platform and the jig, and a plastic shell feeding device that drives the plastic shell feeding manipulator to rotate is set between the plastic shell feeding moving assembly and the plastic shell feeding manipulator. Rotating motor; the rubber shell feeding and connecting platform is provided with a rubber shell feeding separation rod driven by a rubber shell separation cylinder along the direction of the vertical plastic shell linear material path, and the center of the rubber shell feeding separation rod is formed with a container A first accommodation slot for a plastic shell; a plastic shell feeding press plate driven by a first drive cylinder is arranged in parallel above the plastic shell feeding separation rod, and the end of the plastic shell feeding pressing plate limits the plastic shell to the first in the holding tank. 4. A kind of knob potentiometer automatic assembly machine according to claim 1, it is characterized in that, said body feeding device comprises the body linear feedway, body feeding connecting platform, body feeding manipulator and body The material feeding moving assembly, the body feeding moving assembly is installed on the fixed plate, the body feeding rotating motor that drives the body feeding manipulator to rotate is arranged between the body feeding moving assembly and the body feeding manipulator, the fixed body feeding manipulator On both sides of the body loading manipulator, there are lower pressing rods driven by the lower pressing cylinder. The lower pressing rod presses down the locking block of the jig and drives the clamping block to fix the body in the placement groove; The material connecting table is provided with a body feeding separation rod driven by a body separation cylinder, and one end of the body feeding separation rod is provided with a second accommodation groove for accommodating a body, and the body feeding moving assembly drives the body feeding manipulator Move between the second receiving slot and the jig placement slot. 5. The automatic assembly machine for knob potentiometer according to claim 1, characterized in that, the fixed ring feeding device comprises a fixed ring linear material path arranged in sequence, a fixed ring feeding device located on one side of the turntable jig The connecting table, the fixed ring feeding manipulator and the fixed ring feeding moving assembly, the fixed ring feeding connection table is provided with a fixed ring feeding separation rod perpendicular to the fixed ring straight line material channel, the fixed ring feeding The end of the separation rod is formed with a third accommodating groove for accommodating the fixed ring, and the fixed ring loading and moving assembly drives the fixing ring feeding manipulator to move between the third accommodating groove and the jig placement groove. 6. The automatic assembly machine for knob potentiometer according to claim 1, characterized in that, the rubber core feeding device includes a rubber core linear material path arranged in sequence, a rubber core feeding material located on one side of the turntable jig The connecting table, the rubber core feeding manipulator and the rubber core feeding moving assembly, the rubber core feeding connecting table is provided with a rubber core feeding separation rod perpendicular to the rubber core linear material path, and the rubber core feeding A fourth accommodating slot for accommodating the rubber core is formed at the end of the separation rod, and the rubber core loading and moving assembly drives the rubber core feeding manipulator to move between the fourth accommodating slot and the jig placement slot. 7. The automatic assembly machine for knob potentiometer according to claim 1, characterized in that, the riveting device includes a riveting cylinder, a lever, a riveting rubber core and a riveting punch for the rubber shell axis arranged in sequence. head, the riveting support seat provided on the assembly platform, the riveting cylinder is fixed on the riveting support seat, the middle part of the lever is pivotally connected with the riveting support seat as the fulcrum of the lever, the riveting A guide rail for guiding the riveting punch is arranged on one side of the support base. 8. The automatic assembly machine for knob potentiometer according to claim 1, characterized in that, the first terminal feeding device comprises a first terminal linear material path, a first feeding manipulator and a first installation assembly, the One side of the linear material path of the first terminal is provided with a first feeding rack, and the first feeding rack is provided with a first rotating seat driven by a first rotating motor and a first translation device that drives the first rotating motor to move linearly. Assemblies, the first loading manipulator is installed on the first rotating seat; the first installation assembly includes the first punch and the first bracket arranged above the jig placement groove, the shape of the first bracket Matched with the placement slot, the first bracket is opened with a first installation hole leading to the placement slot body, and the fixed plate is provided with a first lifting seat driven by a first lifting cylinder fixedly connected to the first bracket , the first punch is arranged directly above the first installation hole, and the first punch is driven and connected with a first installation cylinder; the end of the first terminal linear channel is provided with a The first separation thimble driven by the first separation cylinder; the first feeding manipulator, driven by the first translation assembly and the first rotating motor, rotates the first terminal in the first terminal linear channel by 90 degrees and places it on the first In the installation hole, the first punch pushes and installs the first terminal in the first installation hole onto the body. 9. The automatic assembly machine for knob potentiometer according to claim 1, characterized in that, the second terminal feeding device comprises a second terminal linear material path, a second feeding manipulator and a second installation assembly, the One side of the linear material path of the second terminal is provided with a second feeding rack, and the second feeding rack is provided with a second rotating seat driven by a second rotating motor and a second translation device that drives the second rotating motor to move linearly. Assemblies, the second loading manipulator is installed on the second rotating seat; the second installation assembly includes a second punch and a second bracket arranged above the jig placement groove, the shape of the second bracket Matching with the placement slot, the second bracket is opened with a second mounting hole leading to the body of the placement slot, and the fixed plate is provided with a second lifting seat driven by a second lifting cylinder fixedly connected with the second bracket , the second punch is arranged directly above the second installation hole, and the second punch is driven and connected with a second installation cylinder; the end of the second terminal linear material channel is provided with a The second separation thimble driven by the second separation cylinder; the second feeding manipulator rotates the second terminal in the second terminal linear channel by 90 degrees under the drive of the second translation assembly and the second rotating motor and places it on the second In the installation hole, the second punch pushes and installs the second terminal in the second installation hole onto the body. 10. The automatic assembly machine for knob potentiometer according to claim 1, characterized in that, the unloading device comprises an unloading lifting seat driven by a unloading lifting cylinder arranged directly under the jig, arranged on the jig It has an outer unloading chute, and the upper end of the unloading lifting seat is provided with two reset thimbles that push the locking block upwards to reset, and between the two reset thimbles is a set of knob potentiometers that will be assembled from the placement slot. The discharge thimble is ejected to the discharge chute, and the discharge driving cylinder is driven and connected under the discharge thimble; the fixed plate is provided with a stopper on the side opposite to the discharge chute.