Automatic assembling equipment for linear sliding type potentiometers

Abstract

The invention relates to the technical field of potentiometer assembling equipment, in particular to linear sliding type potentiometer automatic assembling equipment which comprises a working platform, a first rotary conveying mechanism and a second rotary conveying mechanism. The first rotary conveying mechanism comprises a first rotary disc rotationally installed at the top end of the working platform and a plurality of first positioning tools installed on the first rotary disc. A push handle assembling mechanism, an electric brush assembling mechanism, a riveting mechanism, an electric brush detecting mechanism, a transferring mechanism and a defective product discharging mechanism are sequentially arranged on the periphery of the outer side of the first rotary conveying mechanism in the rotating direction of the first rotary conveying mechanism. The second rotary conveying mechanism comprises a second rotary disc rotationally installed at the top end of the working platform and a plurality of second positioning tools installed on the second rotary disc. And a shell assembling mechanism, an oiling and shaping mechanism, a rubber-coated carbon plate assembling mechanism, a finished product riveting mechanism and a finished product discharging mechanism are sequentially arranged on the periphery of the outer side of the second rotary conveying mechanism in the rotating direction of the second rotary conveying mechanism, automatic assembling can be achieved, and the working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of potentiometer assembly equipment, in particular to automatic assembly equipment for direct-slide potentiometers. Background Art

[0002] A potentiometer is a resistor element with three terminals and whose resistance value can be adjusted according to a certain change rule. A potentiometer is usually composed of a resistor body and a movable brush. Its main function is to adjust the voltage and current. The working principle is to manually adjust the shaft or the slider to change the position of the moving contact on the resistor body, thereby changing the resistance value between the moving contact and any fixed end, thereby changing the voltage and current.

[0003] Direct slide potentiometer reference Figure 27-28 , including a shell, a push handle, a brush and a rubber-coated carbon sheet. The brush is riveted to the push handle, and then the push handle is placed inside the shell. The rubber-coated carbon sheet is placed on the top of the shell, and finally the edge of the shell is bent to fix it. In the prior art, these accessories are generally assembled manually, and the work efficiency is low. Summary of the invention

[0004] The object of the present invention is to provide an automatic assembly device for a direct-slide potentiometer to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: automatic assembly equipment for straight-slide potentiometers, including a working platform, a first rotating conveying mechanism and a second rotating conveying mechanism respectively installed on both sides of the top of the working platform, the first rotating conveying mechanism including a first turntable rotatably installed on the top of the working platform and a plurality of first positioning tooling installed at the edge of the top of the first turntable, the outer periphery of the first rotating conveying mechanism is sequentially provided with a push handle assembly mechanism, a brush assembly mechanism, a riveting mechanism, a brush detection mechanism, a transfer mechanism and a defective product discharge mechanism along its rotation direction, the second rotating conveying mechanism includes a second turntable rotatably installed on the top of the working platform and a plurality of second positioning tooling installed at the edge of the top of the second turntable, the outer periphery of the second rotating conveying mechanism is sequentially provided with a shell assembly mechanism, an oiling and shaping mechanism, a rubber-coated carbon sheet assembly mechanism, a finished product riveting mechanism along its rotation direction. Mechanism and finished product discharging mechanism, the push handle assembly mechanism is used to place the push handles one by one on the top of the first positioning tooling, the brush assembly mechanism is used to place the brushes one by one on the top of the push handle, the riveting mechanism is used to rivet the brushes and the push handle, the brush detection mechanism is used to check the riveting conditions of the brushes and the push handle, the defective product discharging mechanism is used to discharging the defective products of the brush and the push handle riveting, the shell assembly mechanism is used to place the shells one by one on the top of the second positioning tooling, the oiling and shaping mechanism is used to oil and shape the shell, the transfer mechanism is used to send the good products after the brush and the push handle are riveted at the top of the first positioning tooling to the inside of the shell after oiling and shaping at the top of the second positioning tooling, the rubber-coated carbon sheet assembly mechanism is used to place the rubber-coated carbon sheets on the top of the shell one by one, the finished product riveting mechanism is used to rivet the shell and the rubber-coated carbon sheet, and the finished product discharging mechanism is used to send out the finished product.

[0006] Furthermore, the push handle assembly mechanism includes a first feeder, a first feeding platform, a first manipulator, and a first lifting member and a first linear drive member for adjusting the height and horizontal position of the first manipulator. The first feeder is used to send the push handles to the top of the first feeding platform one by one, and the first manipulator is used to clamp and fix the push handle at one end of the first feeding platform close to the first positioning tooling, and send the push handle to the top of the first positioning tooling through the first lifting member and the first linear drive member.

[0007] Furthermore, the brush assembly mechanism includes a first support platform fixed on the top of the working platform close to the push handle assembly mechanism, a first feeding module that pushes the brush material strip to slide horizontally on the top of the first support platform, a punching and unloading module that punches and separates the brush material strip, a first conveying module that delivers the punched brushes to the top of the first positioning tooling and places them on the top of the push handle, and a waste collection module that punches and collects the waste strip.

[0008] Furthermore, the punching and blanking module includes a first punching head and a limit plate respectively arranged on the upper and lower sides of the brush material strip, and a driving module that drives the first punching head and the limit plate to move synchronously in the opposite direction, the first punching head is adapted to the brush, and the limit plate is used to press the edge of the brush material strip downward, the driving module includes a first movable rod, a second movable rod, a fixed seat, a fourth linear drive member, a first driving plate, a first guide slide hole, a second driving plate and a second guide slide hole, the first movable rod and the second movable rod are respectively fixed to the bottom ends of the first punching head and the limit plate, and the fixed seat is horizontally fixed on the first support Below the platform, the first drive plate and the second drive plate are both horizontally slidably set at the front and rear ends of the fixed seat through a fourth linear drive member, the first guide slide hole and the second guide slide hole are respectively obliquely set on the first drive plate and the second drive plate, and the first guide slide hole and the second guide slide hole are in opposite directions, the first movable rod and the second movable rod are respectively slidably connected with the first guide slide hole and the second guide slide hole through a guide column, and when the fourth linear drive member pushes the first drive plate and the second drive plate to slide horizontally at the front and rear ends of the fixed seat, the first punching head and the limit plate are driven to move synchronously in the opposite direction in the vertical direction.

[0009] Furthermore, the riveting mechanism includes a riveting head that is movably installed above the first positioning tooling through a sixth lifting member, and the riveting head is used to rivet and fix the push handle and the brush downward.

[0010] Furthermore, the shell assembly mechanism includes a second feeder, a second feeding platform horizontally installed on the top of the working platform, a third manipulator for clamping the shell, and a ninth lifting member and a seventh linear drive member for adjusting the height and horizontal position of the third manipulator respectively. The third manipulator clamps and fixes the shell, and the ninth lifting member and the seventh linear drive member send the shell to the top of the second positioning tooling.

[0011] Furthermore, the oiling and shaping mechanism comprises an oiling head and an eighth linear drive component and a tenth lifting component for adjusting the level and height of the oiling head respectively, and the bottom end of the oiling head is adapted to the outer shell.

[0012] Furthermore, the rubber-coated carbon sheet assembly mechanism includes a second supporting platform installed on the top of the working platform close to the transfer mechanism, a second feeding module for pushing the rubber-coated carbon sheet material strip to slide horizontally on the top of the second supporting platform, a shaping module for shaping the terminals of the rubber-coated carbon sheet, a punching and separating module for punching and separating the rubber-coated carbon sheet from the material strip, and a second conveying module for conveying the punched and separated rubber-coated carbon sheet to the top of the second positioning tooling and placing it on the top of the shell.

[0013] Furthermore, the finished riveting mechanism includes a bending head and a sixteenth lifting member that pushes the bending head to move up and down. The bending head is located directly above the second positioning tooling that rotates to the finished riveting mechanism. The sixteenth lifting member pushes the bending head downward to bend the shell and fix it to the rubber-coated carbon sheet.

[0014] Furthermore, the finished product discharging mechanism includes a third feeding platform horizontally installed on the top of the working platform close to the finished product riveting mechanism, a feeding chute arranged on the third feeding platform, a fourth manipulator for clamping and fixing the finished product, and a seventeenth lifting member and an eleventh linear driving member for adjusting the height and horizontal position of the fourth manipulator. The fourth manipulator, the seventeenth lifting member and the eleventh linear driving member clamp and feed the finished product to the inside of the feeding chute. A push plate is horizontally movably installed on one side of the third feeding platform through a twelfth linear driving member. The twelfth linear driving member drives the push plate to slide back and forth horizontally on one side of the feeding chute, pushing the finished product placed on the inner side of the feeding chute to move horizontally inside the feeding chute to the side away from the second rotating conveying mechanism for discharging.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the automatic assembly equipment of the straight-slide potentiometer can automatically rivet and fix the push handle and the brush by setting a first rotating conveying mechanism, a push handle assembly mechanism, a brush assembly mechanism, a riveting mechanism, a brush detection mechanism and a defective product discharging mechanism; and by setting a second rotating conveying mechanism, a defective product discharging mechanism, a shell assembly mechanism, an oiling and shaping mechanism, a rubber-coated carbon sheet assembly mechanism, a finished product riveting mechanism and a finished product discharging mechanism, the shell can be simultaneously loaded and shaped, and then the riveted push handle brush can be placed inside the shell, and finally the rubber-coated carbon sheet can be placed and the shell can be riveted and fixed, thereby realizing automatic assembly and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of a partial top view of the structure of the present invention; Figure 3 This is a schematic diagram of the top view of the working platform of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the push handle assembly mechanism of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the angle adjustment module of the push handle assembly mechanism of the present invention; Figure 6 It is a schematic diagram of the first three-dimensional structure of the brush assembly mechanism of the present invention; Figure 7 It is a schematic diagram of the second three-dimensional structure of the brush assembly mechanism of the present invention; Figure 8It is a schematic diagram of the three-dimensional structure of the first conveying module of the brush assembly mechanism of the present invention; Fig. 9 It is a schematic diagram of the three-dimensional structure of the positioning plug connector of the brush assembly mechanism of the present invention; Fig.10 It is a schematic diagram of the three-dimensional structure of the first feeding module of the brush assembly mechanism of the present invention; Fig.11 It is a schematic diagram of the three-dimensional structure of the punching and blanking module of the brush assembly mechanism of the present invention; Fig.12 It is a schematic diagram of the three-dimensional structure of the riveting mechanism in the present invention; Fig.13 It is a schematic diagram of the three-dimensional structure of the finished riveting mechanism of the present invention; Fig.14 It is a schematic diagram of the three-dimensional structure of the housing assembly mechanism in the present invention; Fig.15 It is a schematic diagram of the first three-dimensional structure of the oiling and shaping mechanism in the present invention; Fig.16 It is a schematic diagram of the second three-dimensional structure of the oiling and shaping mechanism in the present invention; Fig.17 It is a schematic diagram of the three-dimensional structure of the transfer mechanism in the present invention; Fig.18 It is a schematic diagram of the three-dimensional structure of the defective product discharging mechanism in the present invention; Fig.19 It is a schematic diagram of the three-dimensional structure of the rubber-coated carbon sheet assembly mechanism of the present invention; Fig. 20 It is a schematic diagram of the three-dimensional structure of the punching and dividing module of the rubber-coated carbon sheet assembly mechanism of the present invention; Fig.21 It is a schematic diagram of the three-dimensional structure of the second feeding module of the rubber-coated carbon sheet assembly mechanism of the present invention; Fig. 22 It is a schematic cross-sectional structural diagram of the second feeding module of the rubber-coated carbon sheet assembly mechanism of the present invention; Fig.23 It is a schematic diagram of the three-dimensional structure of the finished riveting mechanism of the present invention; Fig.24 It is a schematic diagram of the three-dimensional structure of the bending head of the finished riveting mechanism in the present invention; Fig.25 It is a schematic diagram of the three-dimensional structure of the finished product discharging mechanism in the present invention; Fig.26 It is a schematic diagram of the three-dimensional structure of the third feeding platform of the finished product discharging mechanism in the present invention; Fig. 27 It is a schematic diagram of the riveting structure of the push handle and the brush in the prior art; Fig.28 It is a schematic diagram of the three-dimensional structure of a sliding potentiometer in the prior art.

[0017] In the figure: 1. Working platform; 2. First rotating conveying mechanism; 21. First turntable; 22. First positioning tool; 3. Second rotating conveying mechanism; 31. Second turntable; 32. Second positioning tool; 4. Push handle assembly mechanism; 41. First feeder; 42. First feeder platform; 43. First manipulator; 44. First lifting member; 45. First linear drive member; 46. Angle adjustment module; 461. Gear; 462. Rack; 463. Second linear drive member; 5. Brush assembly mechanism; 51. First support platform; 52. First feeding module; 521. First plug rod; 522. Third linear drive member; 523. Second lifting member; 53. Punching and unloading module; 531. First punching head; 532. Limiting plate; 533. First movable rod; 534. Second movable rod; 535. Fixed seat; 536. Fourth linear drive member; 537. First drive plate; 538. First guide slide hole; 539. Second drive plate; 5310. Second guide slide hole; 54. First conveying module; 541. Positioning plug connector; 542. Fifth linear drive member; 543. Third lifting member; 544. First movable push rod; 545. Fourth lifting member; 55. Waste collection module; 551. Second punching head; 552. Fifth lifting member; 553. First slide groove; 6. Riveting mechanism; 61. Riveting head; 62. Sixth lifting member; 7. Brush detection mechanism; 8. Transfer mechanism; 81. Second manipulator; 82. Seventh lifting member; 83. Sixth linear drive member; 9. Defective product discharging mechanism; 91. Ejector rod; 92. Eighth lifting member; 93. Second chute; 10. Shell assembly mechanism; 101. Second feeder; 102. Second feeder platform; 103. Third manipulator; 104. Ninth lifting member; 105. Seventh linear drive member; 11. Oiling and shaping mechanism; 111. Oiling head; 112. Eighth linear drive member; 113. Tenth lifting member; 12. Rubber coated carbon sheet assembly mechanism; 121. Second support platform; 122. Second feeding module; 1221. Second plug-in rod; 1222. Eleventh lifting member; 1223. Ninth linear drive member; 123. Shaping module; 1231. Lower fixed block; 1232. Upper fixed block; 1233. Twelfth lifting member; 1234. Shaping block; 124. Second conveying module; 1241. Suction head; 1242. Second movable push rod; 1243. Thirteenth lifting member; 1244. Fourteenth lifting member; 1245. Tenth linear drive member; 125. Punching and dividing module; 1251. Third punching head; 1252. Fifteenth lifting member; 1253. Third slide; 13. Finished product riveting mechanism; 131. Bending head; 132. Sixteenth lifting member; 14. Finished product discharging mechanism; 141. Third feeding platform; 142. Feeding chute; 143. Fourth manipulator; 144. Seventeenth lifting member; 145. Eleventh linear driving member; 146. Pushing plate; 147. Twelfth linear driving member. DETAILED DESCRIPTION

[0018] 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. In the description of the present invention, it should be noted that the terms "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In order to make the terms "including" and any variations of them in the specification and claims of the present invention and the above-mentioned drawings, it is intended to cover non-exclusive inclusions.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] Reference Figure 27-28 In this embodiment, the direct-slide potentiometer includes a push handle, a brush, a shell and a rubber-coated carbon sheet. The push handle needs to be riveted and fixed to the brush, and then the push handle is installed inside the shell. The rubber-coated carbon sheet is fixed to the top of the shell so that the push handle can slide horizontally relative to the rubber-coated carbon sheet. By changing the contact position between the brush and the rubber-coated carbon sheet, the resistance value between the moving contact and any fixed end of the rubber-coated carbon sheet is changed, thereby changing the voltage and current.

[0021] See also Figure 1-26 The present invention provides an embodiment: a straight slide potentiometer automatic assembly device, comprising a working platform 1, a first rotating conveying mechanism 2 and a second rotating conveying mechanism 3 respectively installed on both sides of the top of the working platform 1, and referring to the attached Figure 2-3The first rotating conveying mechanism 2 includes a first turntable 21 mounted on the top of the working platform 1 in a clockwise manner and a plurality of first positioning fixtures 22 mounted at the top edge of the first turntable 21. The first positioning fixture 22 is matched with the push handle and is used to fix the push handle. The outer periphery of the first rotating conveying mechanism 2 is provided with a push handle assembly mechanism 4, a brush assembly mechanism 5, a riveting mechanism 6, a brush detection mechanism 7, a transfer mechanism 8 and a defective product discharge mechanism 9 in sequence along its rotation direction. The second rotating conveying mechanism 3 includes a second turntable 31 mounted on the top of the working platform 1 in a clockwise manner and a plurality of second positioning fixtures 32 mounted at the top edge of the second turntable 31. The second positioning fixture 32 is matched with the outer shell and is used to fix the outer shell. The outer periphery of the second rotating conveying mechanism 3 is provided with an outer shell assembly mechanism 10, an oiling and shaping mechanism 11, a rubber-coated carbon sheet assembly mechanism 12, a finished product riveting mechanism in sequence along its rotation direction. 13 and finished product discharging mechanism 14, the push handle assembly mechanism 4 is used to place the push handles one by one on the top of the first positioning fixture 22, the brush assembly mechanism 5 is used to place the brushes one by one on the top of the push handle, the riveting mechanism 6 is used to rivet the brush and the push handle, the brush detection mechanism 7 is used to check the riveting condition of the brush and the push handle, the defective product discharging mechanism 9 is used to discharge the defective products of the brush and the push handle riveting, the shell assembly mechanism 10 is used to place the shell one by one on the top of the second positioning fixture 32, the oiling and shaping mechanism 11 is used to oil and shape the shell, the transfer mechanism 8 is used to send the good products after the brush and the push handle are riveted at the top of the first positioning fixture 22 to the inside of the shell after oiling and shaping at the top of the second positioning fixture 32, the rubber-coated carbon sheet assembly mechanism 12 is used to place the rubber-coated carbon sheets on the top of the shell one by one, the finished product riveting mechanism 13 is used to rivet the shell and the rubber-coated carbon sheet, and the finished product discharging mechanism 14 is used to send the finished product.

[0022] Reference Figure 4-5 The push handle assembly mechanism 4 includes a first feeder 41, a first feeding platform 42, a first manipulator 43, and a first lifting member 44 and a first linear drive member 45 for adjusting the height and horizontal position of the first manipulator 43. The first feeder 41 is used to send the push handles to the top of the first feeding platform 42 one by one, which will not be described in detail here. The first manipulator 43 is used to clamp and fix the push handles at one end of the first feeding platform 42 close to the first positioning fixture 22, and send the push handles to the top of the first positioning fixture 22 through the first lifting member 44 and the first linear drive member 45. The specific structure of the first feeder 41 is the prior art and will not be described in detail here. The top of the first manipulator 43 is provided with an angle adjustment module 46 for adjusting the angle of the push handle, refer to the attached Fig. 27Two positioning protrusions for riveting and fixing with the brush are provided at the top of the push handle, and positioning holes compatible with the two positioning protrusions are provided on the brush. The positioning protrusion needs to be located on the side of the push handle close to the center of the first turntable 21 so that it can be fixed with the brush at the next workstation. Therefore, it is necessary to adjust the angle of the push handle by setting an angle adjustment module 46. Furthermore, a sensor for detecting the position of the positioning protrusion is provided at one end of the first feeding platform 42 close to the first positioning tool 22. The angle adjustment module 46 specifically includes a gear 461 fixed on the top of the first manipulator 43, a rack 462 meshing with the gear 461, and a second linear drive 463 for pushing the rack 462 to move horizontally. The rack 462 is pushed to move horizontally by the second linear drive 463, and then the gear 461 and the first manipulator 43 are pushed to rotate to adjust the angle of the push handle.

[0023] Furthermore, since the push handle is relatively small in size, a sensor for detecting whether there is a push handle on the first positioning tool 22 is also provided on one side of the top of the working platform 1 close to the push handle assembly mechanism 4 .

[0024] Reference Figure 6-11 The brush assembly mechanism 5 includes a first supporting platform 51 fixed on the top of the working platform 1 close to the push handle assembly mechanism 4, a first feeding module 52 for pushing the brush material belt to slide horizontally on the top of the first supporting platform 51, a punching and unloading module 53 for punching and separating the brush material belt, a first conveying module 54 for delivering the punched brushes to the top of the first positioning tool 22 and placing them on the top of the push handle, and a waste collecting module 55 for punching and collecting the waste belt. When working, the first feeding module 52 drives the brush material belt to slide horizontally on the top of the first supporting platform 51, the punching and unloading module 53 punches the brush material belt, the first conveying module 54 delivers the punched brushes to the top of the first positioning tool 22, and the waste collecting module 55 collects the waste belt.

[0025] The brush material strip is generally placed in a roll. In this embodiment, the brush material strip is arranged on one side of the working platform 1 through an unwinding device. The motor drives the material strip roll to automatically rotate and unwind, so that the brush material strip enters the top of the first supporting platform 51 horizontally. Fig.10 The first feeding module 52 includes a first plug-in rod 521, a third linear driving member 522 for adjusting the level and height of the first plug-in rod 521, and a second lifting member 523. The first plug-in rod 521 is adapted to the through hole on the brush material belt. The second lifting member 523 drives the first plug-in rod 521 to be inserted downward into the through hole. The second lifting member 523 pushes the first plug-in rod 521 to move horizontally along the length direction of the brush material belt to realize feeding.

[0026] Reference Figure 10-11The punching and unloading module 53 includes a first punching head 531 and a limit plate 532 respectively arranged on the upper and lower sides of the brush material strip, and a driving module driving the first punching head 531 and the limit plate 532 to move synchronously in the opposite direction. The first punching head 531 is adapted to the brush, and the limit plate 532 is used to press the edge of the brush material strip downward. The driving module includes a first movable rod 533, a second movable rod 534, a fixed seat 535, a fourth linear driving member 536, a first driving plate 537, a first guide slide hole 538, a second driving plate 539 and a second guide slide hole 5310. The first movable rod 533 and the second movable rod 534 are respectively fixed at the bottom ends of the first punching head 531 and the limit plate 532, the fixed seat 535 is horizontally fixed below the first supporting platform 51, and the first driving plate 537 and the second driving plate 539 are both horizontally slidably arranged on the fixed seat 535 through the fourth linear driving member 536. At the front and rear ends, the first guide slide hole 538 and the second guide slide hole 5310 are respectively tiltedly arranged on the first driving plate 537 and the second driving plate 539, and the first guide slide hole 538 and the second guide slide hole 5310 are in opposite directions, that is, one is tilted downward and the other is tilted upward. The first movable rod 533 and the second movable rod 534 are slidingly connected with the first guide slide hole 538 and the second guide slide hole 5310 through the guide column respectively. When the fourth linear driving member 536 pushes the first driving plate 537 and the second driving plate 539 to slide horizontally at the front and rear ends of the fixed seat 535, the first punching head 531 and the limiting plate 532 are driven to move synchronously in opposite directions in the vertical direction, that is, when the first punching head 531 punches the brush upward, the limiting plate 532 presses the edge of the material strip downward to separate the brush from the material strip. When the first punching head 531 moves downward, the limiting plate 532 moves upward synchronously to facilitate the conveying of the material strip.

[0027] Reference Figure 8 The first conveying module 54 includes a positioning plug connector 541 for fixing the brush plug, a fifth linear drive member 542 and a third lifting member 543 for adjusting the horizontal and height positions of the positioning plug connector 541 respectively, and a first movable push rod 544 is provided on the positioning plug connector 541 for moving up and down through a fourth lifting member 545. The bottom end of the first movable push rod 544 is adapted to the brush positioning hole, and is inserted into the brush positioning hole to fix and convey the brush. After being in place, the fourth lifting member 545 drives the first movable push rod 544 to move upward, so that the brush can be removed from the bottom end of the first movable push rod 544 and placed on the top of the push handle.

[0028] Reference Figure 7The waste collection module 55 includes a second punching head 551, a fifth lifting member 552 that pushes the second punching head 551 to move up and down, and a first slide groove 553 installed at an angle downward on one side of the first support platform 51. The second punching head 551 and the fifth lifting member 552 are installed above the higher side of the first slide groove 553. The fifth lifting member 552 drives the second punching head 551 to move downward to cut the waste strip into sections and collect them.

[0029] Reference Fig.12 The riveting mechanism 6 includes a riveting head 61 which is movably mounted on the first positioning fixture 22 through a sixth lifting member 62. The riveting head 61 is used to rivet the push handle and the brush downward. The push handle and the brush after riveting are shown in the attached drawings. Fig. 27 .

[0030] Reference Fig.13 The first positioning fixture 22 drives the push handle and the brush after riveting to rotate to the bottom of the brush detection mechanism 7 to detect whether the two are riveted well. The good products are clamped to the top of the second positioning fixture 32 through the transfer mechanism 8 and placed inside the shell for the next assembly. The defective products are transported to the defective product discharge mechanism 9 for collection as the first turntable 21 rotates.

[0031] Reference Fig.14 The shell assembly mechanism 10 includes a second feeder 101, a second feeding platform 102 horizontally installed on the top of the working platform 1, a third manipulator 103 for clamping the shell, and a ninth lifting member 104 and a seventh linear driving member 105 for adjusting the height and horizontal position of the third manipulator 103 respectively. The third manipulator 103 clamps and fixes the shell, and the ninth lifting member 104 and the seventh linear driving member 105 send the shell to the top of the second positioning fixture 32. The specific structure of the second feeder 101 is the existing technology and will not be described here. It is used to send the shell openings to the top of the second feeding platform 102 one by one. The third manipulator 103 clamps and fixes the shell at the end of the second feeding platform 102, and the ninth lifting member 104 and the seventh linear driving member 105 adjust the positions of the third manipulator 103 and the shell, and send the shell opening upward to the top of the second positioning fixture 32. In order to facilitate positioning, a sensor for detecting the position of the shell is also installed on the top of the second feeding platform 102.

[0032] Reference Figure 15-16The oiling and shaping mechanism 11 includes an oiling head 111 and an eighth linear drive member 112 and a tenth lifting member 113 for adjusting the level and height of the oiling head 111 respectively. The bottom end of the oiling head 111 is a rectangular structure adapted to the outer shell, and a plurality of oil outlet holes are provided at the bottom end. After the oiling head 111 is inserted into the inner part of the outer shell, the outer shell can be flattened to achieve a shaping effect. At the same time, the oiling head 111 is connected to the oil tank through an oil pump. After the oiling head 111 is inserted into the inner part of the outer shell, lubricating oil is injected into the inner part of the outer shell to facilitate the sliding of the push handle inside the outer shell during later use.

[0033] Reference Fig.17 The transfer mechanism 8 includes a second manipulator 81 and a seventh lifting member 82 and a sixth linear driving member 83 for adjusting the height and horizontal position of the second manipulator 81. The second manipulator 81 clamps and fixes the well-riveted push handle and brush and sends them to the inside of the outer shell after oiling and shaping at the top of the second positioning tool 32 through the seventh lifting member 82 and the sixth linear driving member 83.

[0034] Reference Fig.18 The defective product discharging mechanism 9 includes a second chute 93 installed obliquely downward at the top of the working platform 1 close to the transfer mechanism 8 and a push rod 91 movably arranged up and down through an eighth lifting member 92. The push rod 91 is arranged below the first turntable 21, and is used to eject the defective products that have been rotated to the defective product discharging mechanism 9 and collect them inside the second chute 93.

[0035] Reference Figure 19-22 The rubber-coated carbon sheet assembly mechanism 12 includes a second supporting platform 121 installed on the top of the working platform 1 close to the transfer mechanism 8, a second feeding module 122 for pushing the rubber-coated carbon sheet strip to slide horizontally on the top of the second supporting platform 121, a shaping module 123 for shaping the terminals of the rubber-coated carbon sheet, a punching and dividing module 125 for punching and separating the rubber-coated carbon sheet from the strip, and a second conveying module 124 for conveying the punched and separated rubber-coated carbon sheet to the top of the second positioning tool 32 and placing it on the top of the shell. When working, the second feeding module 122 drives the rubber-coated carbon sheet strip to slide horizontally on the top of the second supporting platform 121, the shaping module 123 first bends and shapes the terminals of the strip, and then the punching and dividing module 125 punches and separates the shaped rubber-coated carbon sheet terminals from the strip, and the second conveying module 124 conveys the separated rubber-coated carbon sheet to the top of the second positioning tool 32.

[0036] The rubber-coated carbon sheet material strip is generally placed in a roll. In this embodiment, the rubber-coated carbon sheet material strip is arranged on one side of the working platform 1 through an unwinding device. The motor drives the material strip roll to automatically rotate and unwind, so that the rubber-coated carbon sheet material strip enters the top of the second supporting platform 121 horizontally. Fig.21The second feeding module 122 includes a second plug-in rod 1221 adapted to the rubber-coated carbon sheet material strip and an eleventh lifting member 1222 and a ninth linear driving member 1223 for adjusting the height and horizontal position of the second plug-in rod 1221. The eleventh lifting member 1222 drives the second plug-in rod 1221 to downwardly insert into the through hole at the edge of the material strip. The ninth linear driving member 1223 pushes the second plug-in rod 1221 to move horizontally, thereby driving the material strip to move horizontally at the top of the second supporting platform 121 for feeding.

[0037] Reference Figure 21-22 The shaping module 123 includes a lower fixed block 1231 and an upper fixed block 1232 fixed on the second supporting platform 121. The lower fixed block 1231 is abutted against the bottom of the rubber-coated carbon sheet, and the upper fixed block 1232 is pressed above one side of the terminal of the rubber-coated carbon sheet to limit the position, so that the material strip slides horizontally. A shaping pressing block 1234 is movably installed on the upper fixed block 1232 through the twelfth lifting member 1233. The shaping pressing block 1234 presses the terminal of the rubber-coated carbon sheet to the top of the lower fixed block 1231. The shaping pressing block 1234 and the lower fixed block 1231 cooperate with each other to keep the terminal in a bent state.

[0038] Reference Fig.19 The punching and dividing module 125 includes a third punching head 1251, a fifteenth lifting member 1252 for driving the third punching head 1251 to move up and down, and a third slide groove 1253 arranged on one side of the bottom end of the second support platform 121. The third punching head 1251 is located above the edge of the rubber-coated carbon sheet material strip, and an opening connected to the top of the third slide groove 1253 is penetrated on the second support platform 121. The third punching head 1251 punches downward at the edge of the material strip to cut off the metal wire connected to the edge of the rubber-coated carbon sheet, and the metal wire falls into the third slide groove 1253 for collection.

[0039] Reference Fig. 20 The second conveying module 124 includes a suction head 1241, a second movable push rod 1242 that is movable up and down on the suction head 1241 through a thirteenth lifting member 1243, and a fourteenth lifting member 1244 and a tenth linear driving member 1245 for adjusting the height and horizontal position of the suction head 1241. The suction head 1241 is connected to an air pump. When in use, the suction head 1241 abuts against the top of the rubber-coated carbon sheet to adsorb and fix it. After the carbon sheet is transferred to the top of the outer shell through the fourteenth lifting member 1244 and the tenth linear driving member 1245, the rubber-coated carbon sheet is placed on the top of the outer shell. The thirteenth lifting member 1243 pushes the second movable push rod 1242 to move downward, so that the rubber-coated carbon sheet is separated from the suction head 1241.

[0040] Reference Fig.28 After placing the rubber-coated carbon sheet on the top of the shell, you need to bend both sides of the shell inward to fix the rubber-coated carbon sheet. Figure 23-24The finished riveting mechanism 13 includes a bending head 131 and a sixteenth lifting member 132 that pushes the bending head 131 to move up and down. The bending head 131 is located directly above the second positioning tool 32 that rotates to the finished riveting mechanism 13. The sixteenth lifting member 132 pushes the bending head 131 to move downward to bend the shell and fix it to the rubber-coated carbon sheet.

[0041] Reference Figure 25-26 The finished product discharging mechanism 14 includes a third feeding platform 141 horizontally installed on the top of the working platform 1 near the finished product riveting mechanism 13, a feeding chute 142 arranged on the third feeding platform 141, a fourth manipulator 143 for clamping and fixing the finished product, and a seventeenth lifting member 144 and an eleventh linear driving member 145 for adjusting the height and horizontal position of the fourth manipulator 143. The fourth manipulator 143, the seventeenth lifting member 144 and the eleventh linear driving member 145 clamp and feed the finished product to the inside of the feeding chute 142. A push plate 146 is horizontally movably installed on one side of the third feeding platform 141 through a twelfth linear driving member 147. The twelfth linear driving member 147 drives the push plate 146 to push the finished product. The plate 146 slides back and forth horizontally on one side of the feeding chute 142, pushing the finished product placed on the inner side of the feeding chute 142 to move horizontally inside the feeding chute 142 to the side away from the second rotating conveying mechanism 3 for discharge. The riveted product is clamped and fixed by the fourth manipulator 143, and then sent to the top side of the feeding chute 142 by the seventeenth lifting member 144 and the eleventh linear drive member 145. Then, the pushing plate 146 is pushed to slide horizontally by the twelfth linear drive member 147. Baffles for limiting the top of the finished product are arranged on both sides of the top of the feeding chute 142, so that the finished products are connected in sequence and slide horizontally inside the feeding chute 142, and can be collected after moving to the end of the feeding chute 142.

[0042] In this embodiment, the linear drive component and the lifting component may be specifically a cylinder, the manipulator may be specifically a finger cylinder, and the device further includes a controller for intelligently controlling the actions of each component.

[0043] Working principle: the first rotating disk 21 drives a plurality of first positioning fixtures 22 to rotate synchronously clockwise, the first positioning fixture 22 rotates to the push handle assembly mechanism 4, the push handle assembly mechanism 4 places the push handles on the top of the first positioning fixture 22 one by one, the first positioning fixture 22 rotates to the brush assembly mechanism 5, the brush assembly mechanism 5 places the brush on the top of the push handle, the first positioning fixture 22 rotates to the riveting mechanism 6, the riveting mechanism 6 rivets the push handle and the brush together, the first positioning fixture 22 rotates to the brush detection mechanism 7 to detect whether the brush and the push handle are riveted well, the push handle and the brush with good riveting continue to be assembled, and the defective products are sent out through the defective product discharge mechanism 9; at the same time, the second rotating disk 31 drives a plurality of second positioning fixtures 32 to rotate clockwise, the second positioning fixtures 32 rotate to the shell assembly mechanism 10, the shell assembly mechanism 10 Place the shells one by one on the top of the second positioning fixture 32, the second positioning fixture 32 rotates to the oiling and shaping mechanism 11, the oiling and shaping mechanism 11 oils and shapes the shells, when the second positioning fixture 32 and the first positioning fixture 22 rotate to the transfer mechanism 8, the transfer mechanism 8 places the push handle brush that is well riveted on the top of the first positioning fixture 22 inside the shell after the oiling and shaping on the top of the second positioning fixture 32, the second positioning fixture 32 continues to rotate to the rubber-coated carbon sheet assembly mechanism 12, the rubber-coated carbon sheet assembly mechanism 12 places the rubber-coated carbon sheet on the top of the shell, when the second positioning fixture 32 rotates to the finished product riveting mechanism 13, the finished product riveting mechanism 13 bends the four corners of the top of the shell inward to limit the rubber-coated carbon sheet, and finally the second positioning fixture 32 rotates to the finished product discharging mechanism 14 to deliver the finished product.

[0044] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. Automatic assembly equipment for direct slide potentiometer, characterized by: The invention comprises a working platform (1), a first rotating conveying mechanism (2) and a second rotating conveying mechanism (3) respectively mounted on both sides of the top of the working platform (1), wherein the first rotating conveying mechanism (2) comprises a first rotating disk (21) rotatably mounted on the top of the working platform (1) and a plurality of first positioning fixtures (22) mounted on the top edge of the first rotating disk (21), wherein the outer peripheral edge of the first rotating conveying mechanism (2) is provided with a handle assembly mechanism (4), a brush assembly mechanism (5), a riveting mechanism (6), a brush detection mechanism (7), a transfer mechanism (8) and a defective product discharge mechanism (9) in sequence along the rotation direction thereof, and the second rotating conveying mechanism (3) comprises a second rotating disk (31) rotatably mounted on the top of the working platform (1) and a plurality of second positioning fixtures (32) mounted on the top edge of the second rotating disk (31), wherein the outer peripheral edge of the second rotating conveying mechanism (3) is provided with a shell assembly mechanism (10), an oiling and shaping mechanism (11), a rubber-coated carbon sheet assembly mechanism (12) and a finished product riveting mechanism (13) in sequence along the rotation direction thereof. and a finished product discharging mechanism (14), the push handle assembly mechanism (4) being used to place the push handles one by one on the top of the first positioning fixture (22), the brush assembly mechanism (5) being used to place the brushes one by one on the top of the push handle, the riveting mechanism (6) being used to rivet the brushes and the push handle, the brush detection mechanism (7) being used to check the riveting condition of the brushes and the push handle, the defective product discharging mechanism (9) being used to discharge the defective products of the brush and the push handle riveting, the shell assembly mechanism (10) being used to place the shells one by one on the second The top end of the positioning tool (32), the oiling and shaping mechanism (11) is used to oil and shape the shell, the transfer mechanism (8) is used to send the good product after the brush and the push handle at the top end of the first positioning tool (22) are riveted to the inside of the shell after the oiling and shaping at the top end of the second positioning tool (32), the rubber-coated carbon sheet assembly mechanism (12) is used to place the rubber-coated carbon sheets one by one on the top end of the shell, the finished product riveting mechanism (13) is used to rivet and fix the shell and the rubber-coated carbon sheets, and the finished product discharging mechanism (14) is used to send out the finished product.

2. The automatic assembly equipment for direct-slide potentiometers according to claim 1 is characterized in that: The push handle assembly mechanism (4) comprises a first feeder (41), a first feeding platform (42), a first manipulator (43), and a first lifting member (44) and a first linear drive member (45) for adjusting the height and horizontal position of the first manipulator (43). The first feeder (41) is used to feed the push handles to the top of the first feeding platform (42) one by one. The first manipulator (43) is used to clamp and fix the push handle at one end of the first feeding platform (42) close to the first positioning fixture (22), and feed the push handle to the top of the first positioning fixture (22) through the first lifting member (44) and the first linear drive member (45).

3. The automatic assembly equipment for direct-slide potentiometers according to claim 1 is characterized in that: The brush assembly mechanism (5) comprises a first support platform (51) fixed to the top of the working platform (1) near the push handle assembly mechanism (4), a first feeding module (52) for pushing the brush material strip to slide horizontally on the top of the first support platform (51), a punching and unloading module (53) for punching and separating the brush material strip, a first conveying module (54) for conveying the punched brushes to the top of the first positioning tool (22) and placing them on the top of the push handle, and a waste collection module (55) for punching and collecting the waste material strip.

4. The automatic assembly equipment for direct-slide potentiometers according to claim 3 is characterized in that: The punching and blanking module (53) comprises a first punching head (531) and a limit plate (532) respectively arranged on the upper and lower sides of the brush material strip, and a driving module driving the first punching head (531) and the limit plate (532) to move synchronously in opposite directions. The first punching head (531) is adapted to the brush, and the limit plate (532) is used to press the edge of the brush material strip downward. The driving module comprises a first movable rod (533), a second movable rod (534), a fixed seat (535), a fourth linear driving member (536), a first driving plate (537), a first guide sliding hole (538), a second driving plate (539) and a second guide sliding hole (5310). The first movable rod (533) and the second movable rod (534) are respectively fixed to the bottom ends of the first punching head (531) and the limit plate (532), and the fixed seat (535) is horizontally fixed to the first supporting platform (51). The first driving plate (537) and the second driving plate (539) are both horizontally slidably arranged at the front and rear ends of the fixed seat (535) through a fourth linear driving member (536); the first guide sliding hole (538) and the second guide sliding hole (5310) are respectively obliquely arranged on the first driving plate (537) and the second driving plate (539); the first guide sliding hole (538) and the second guide sliding hole (5310) are in opposite directions; the first movable rod (533) and the second movable rod (534) are respectively slidably connected to the first guide sliding hole (538) and the second guide sliding hole (5310) through a guide column; when the fourth linear driving member (536) pushes the first driving plate (537) and the second driving plate (539) to slide horizontally at the front and rear ends of the fixed seat (535), the first punching head (531) and the limit plate (532) are driven to synchronously move in opposite directions in the vertical direction.

5. The automatic assembly equipment for direct-slide potentiometers according to claim 1 is characterized in that: The riveting mechanism (6) comprises a riveting head (61) movably mounted above the first positioning fixture (22) via a sixth lifting member (62), the riveting head (61) being used to rivet and fix the push handle and the brush downward.

6. The automatic assembly equipment for direct-slide potentiometers according to claim 1, characterized in that: The shell assembly mechanism (10) comprises a second feeder (101), a second feeder platform (102) horizontally mounted on the top of the working platform (1), a third manipulator (103) for clamping the shell, and a ninth lifting member (104) and a seventh linear drive member (105) for adjusting the height and horizontal position of the third manipulator (103), respectively; the third manipulator (103) clamps and fixes the shell, and the ninth lifting member (104) and the seventh linear drive member (105) deliver the shell to the top of the second positioning tool (32).

7. The automatic assembly equipment for direct-slide potentiometers according to claim 1, characterized in that: The oiling and shaping mechanism (11) comprises an oiling head (111), and an eighth linear driving member (112) and a tenth lifting member (113) respectively used for adjusting the level and height of the oiling head (111); the bottom end of the oiling head (111) is adapted to the outer shell.

8. The automatic assembly equipment for direct-slide potentiometers according to claim 1, characterized in that: The rubber-coated carbon sheet assembly mechanism (12) comprises a second support platform (121) mounted on the top of the working platform (1) close to the transfer mechanism (8), a second feeding module (122) for pushing the rubber-coated carbon sheet strip to slide horizontally on the top of the second support platform (121), a shaping module (123) for shaping the terminals of the rubber-coated carbon sheet, a punching and separating module (125) for punching and separating the rubber-coated carbon sheet from the strip, and a second conveying module (124) for conveying the punched and separated rubber-coated carbon sheet to the top of the second positioning tool (32) and placing it on the top of the shell.

9. The automatic assembly equipment for direct-slide potentiometers according to claim 1, characterized in that: The finished product riveting mechanism (13) comprises a bending head (131) and a sixteenth lifting member (132) for pushing the bending head (131) to move up and down, the bending head (131) being located directly above a second positioning tool (32) that is rotated to the finished product riveting mechanism (13), and the sixteenth lifting member (132) pushes the bending head (131) to move downward, thereby bending the outer shell and fixing it to the rubber-coated carbon sheet.

10. The automatic assembly equipment for direct-slide potentiometers according to claim 1, characterized in that: The finished product discharging mechanism (14) comprises a third feeding platform (141) horizontally mounted on the top of the working platform (1) near the finished product riveting mechanism (13), a feeding chute (142) arranged on the third feeding platform (141), a fourth manipulator (143) for clamping and fixing the finished product, and a seventeenth lifting member (144) and an eleventh linear driving member (145) for adjusting the height and horizontal position of the fourth manipulator (143). The fourth manipulator (143), the seventeenth lifting member (144) and the tenth linear driving member (145) are A linear drive member (145) clamps the finished product into the interior of the feeding chute (142); a push plate (146) is horizontally movably installed on one side of the third feeding platform (141) through a twelfth linear drive member (147); the twelfth linear drive member (147) drives the push plate (146) to slide horizontally back and forth on one side of the feeding chute (142), pushing the finished product placed on the inside of the feeding chute (142) to move horizontally inside the feeding chute (142) to a side away from the second rotating conveying mechanism (3) for discharge.

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