Multi-axis robot for locking screws on back plate of television

Abstract

The utility model discloses a multi-axis robot for locking screws of a television backboard, which comprises a product transmission line, and a first working frame is arranged on one side of the product transmission line; and the screw locking device comprises a universal mechanical arm arranged at the top of the first working frame, a first mounting plate connected with the universal mechanical arm, and a screw locking mechanism mounted on one side of the first mounting plate. The automatic screw locking machine can realize a series of working procedures such as automatic positioning, screw locking and product detection of products, is high in automation degree and working efficiency, does not need manual intervention, can save labor cost, and is reasonable in overall design, compact in structure, convenient to use and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of automation, in particular to a multi-axis robot used for locking screws on a back plate of a television. Background Art

[0002] Currently, in the screw locking process of the TV back panel, most companies still rely on traditional manual operations or simple automated equipment, which has the following shortcomings:

[0003] 1) Efficiency issue: Manual operation is slow and cannot meet the needs of large-scale production;

[0004] 2) Accuracy problem: Manual operation is easily affected by factors such as operator fatigue and skills, resulting in unstable screw locking accuracy;

[0005] 3) Cost issues: As labor costs rise, the cost of production methods that rely on manual operations gradually increases;

[0006] 4) Space issues: Traditional automation equipment is often bulky and takes up valuable production space;

[0007] 5) Quality control issues: Manual inspection of product quality is inefficient and prone to errors, making it difficult to ensure product consistency. Utility Model Content

[0008] The purpose of the utility model is to provide a multi-axis robot for locking screws on the back panel of a television. The multi-axis robot can realize a series of processes such as automatic positioning of products, locking screws and product testing. It has a high degree of automation and high work efficiency, and does not require manual intervention, which can save labor costs. The overall design is reasonable, the structure is compact, the use is convenient, and the practicability is strong.

[0009] In order to achieve the above purpose, the following technical solutions are adopted:

[0010] A multi-axis robot for locking screws on a TV back panel, comprising:

[0011] A product transmission line, wherein a first working frame is also provided on one side of the product transmission line;

[0012] A screw locking device, the screw locking device comprises a universal mechanical arm arranged on the top of the first workbench, a first mounting plate connected to the universal mechanical arm, and a screw locking mechanism installed on one side of the first mounting plate; the screw locking mechanism comprises a first lifting seat slidably connected to one side of the first mounting plate, an electric screwdriver installed on the first lifting seat, a screwdriver head connected to the electric screwdriver, and a lifting drive mechanism installed on the first mounting plate and connected to the first lifting seat; a first fixed plate is connected to the lower part of one side of the first mounting plate, and a vacuum suction nozzle is also installed at the bottom of the first fixed plate; a vacuum joint for connecting to an external air source is also installed on the vacuum suction nozzle, and the lower part of the screwdriver head is movably inserted in the vacuum suction nozzle;

[0013] An end clamping mechanism is also installed at both ends of one side of the first working frame, and the two end clamping mechanisms are used to clamp and fix the products on the product transmission line.

[0014] Furthermore, a first slide rail is arranged on one side of the first mounting plate in the vertical direction, and the first lifting seat is slidably connected to the first slide rail; the lifting drive mechanism includes a first fixed block connected to the upper part of one side of the first mounting plate, a first lifting cylinder installed on the first fixed block, a first lifting rod connected to the output shaft of the first lifting cylinder, and a first connecting block connected to the first lifting rod; the first connecting block is connected to the first lifting seat.

[0015] Furthermore, the first connecting block is L-shaped, one side of the L-shaped vertical end of the first connecting block is connected to the first lifting seat, and the L-shaped horizontal end of the first connecting block is movably mounted on the outer wall of the first lifting rod; the top and bottom of the first lifting rod are respectively provided with a first limit platform and a second limit platform; the outer wall of the first lifting rod is also provided with a first spring, and the two ends of the first spring are respectively abutted against the top of the L-shaped horizontal end of the first connecting block and the bottom of the first limit platform.

[0016] Furthermore, a first buffer is installed on the first fixed block, and the first buffer is located above the L-shaped vertical end of the first connecting block; the lower part of the first mounting plate is also connected to a second fixed block; a stop rod is also installed on the second fixed block, and the stop rod is located below the L-shaped vertical end of the first connecting block; a silicone plug is also installed at the bottom of the L-shaped vertical end of the first connecting block corresponding to the stop rod.

[0017] Furthermore, it also includes a visual positioning mechanism; the visual positioning mechanism includes a light source connecting frame installed on a first mounting plate, a light source assembly installed at the bottom of the light source connecting frame, a first fixed bracket connected to the top of the light source connecting frame, and a detection camera installed on one side of the first fixed bracket and located above the light source assembly.

[0018] Furthermore, the end clamping mechanism includes an X-axis translation mechanism installed on the first workbench, a Z-axis lifting mechanism connected to the X-axis translation mechanism, a Z-axis lifting plate connected to the Z-axis lifting mechanism, and a first clamping plate connected to the Z-axis lifting plate; one end of the first clamping plate extends toward the top of the product transmission line, and a plurality of first limiting wheels are installed at intervals along the length direction of the bottom of the first clamping plate.

[0019] Furthermore, a first connecting frame is connected to the middle part of one side of the first working frame; one side of the first connecting frame extends upward from the product transmission line, and a plurality of second limiting wheels are installed at intervals on one side of the first connecting frame in the length direction; a second working frame is provided on the other side of the product transmission line, and a Y-axis translation mechanism is installed on the second working frame; the Y-axis translation mechanism is driven and connected to a Y-axis translation plate, and one end of the Y-axis translation plate extends upward from the product transmission line; a second clamping plate is connected to one end of the Y-axis translation plate extending upward from the product transmission line, and a plurality of third limiting wheels are installed at intervals on the bottom length direction of the second clamping plate.

[0020] By adopting the above scheme, the beneficial effects of the utility model are:

[0021] The utility model can realize a series of processes such as automatic positioning of products, screw locking and product testing, has a high degree of automation and high work efficiency, does not require manual intervention, can save labor costs, and has a reasonable overall design, compact structure, easy use and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a structural schematic diagram of the screw locking mechanism of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the end clamping mechanism of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the Y-axis translation mechanism, the Y-axis translation plate, the second clamping plate and the third limiting wheel of the utility model;

[0026] The accompanying drawings illustrate:

[0027] 1. Product transmission line; 2. First working frame; 3. Screw locking device; 4. End clamping mechanism; 5. Visual positioning mechanism; 6. Second working frame; 21. First connecting frame; 22. Second limiting wheel; 41. X-axis translation mechanism; 42. Z-axis lifting mechanism; 43. Z-axis lifting plate; 44. First clamping plate; 45. First limiting wheel; 51. Light source connecting frame; 52. Light source assembly; 53. First fixed bracket; 54. Detection camera; 61. Y-axis translation mechanism; 62. Y-axis translation plate ; 63. Second clamping plate; 64. Third limiting wheel; 301. Universal robot arm; 302. First mounting plate; 303. First lifting seat; 304. Electric screwdriver; 305. Screwdriver head; 306. First fixed plate; 307. Vacuum nozzle; 308. First fixed block; 309. First lifting cylinder; 310. First lifting rod; 311. First connecting block; 312. First spring; 313. First buffer; 314. Second fixed block; 315. Stop rod; 316. Silicone plug. DETAILED DESCRIPTION

[0028] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] Reference Figures 1 to 4 As shown, the utility model provides a multi-axis robot for locking screws on the back panel of a television. In one embodiment, it includes

[0030] A product transmission line 1, wherein a first working frame 2 is also provided on one side of the product transmission line 1;

[0031] A screw locking device 3, the screw locking device 3 comprises a universal mechanical arm 301 arranged on the top of the first working frame 2, a first mounting plate 302 connected to the universal mechanical arm 301, and a screw locking mechanism installed on one side of the first mounting plate 302; the screw locking mechanism comprises a first lifting seat 303 slidably connected to one side of the first mounting plate 302, an electric screwdriver 304 installed on the first lifting seat 303, a screwdriver head 305 connected to the electric screwdriver 304, and a lifting drive mechanism installed on the first mounting plate 302 and connected to the first lifting seat 303; a first fixed plate 306 is connected to the lower part of one side of the first mounting plate 302, and a vacuum suction nozzle 307 is also installed at the bottom of the first fixed plate 306; a vacuum joint for connecting to an external air source is also installed on the vacuum suction nozzle 307, and the lower part of the screwdriver head 305 is movably inserted in the vacuum suction nozzle 307;

[0032] An end clamping mechanism 4 is installed at both ends of one side of the first working frame 2 , and the two end clamping mechanisms 4 are used to clamp and fix the product on the product transmission line 1 .

[0033] Continue to refer to Figures 1 to 4As shown, in this embodiment, a push-pull trolley is also included, and the first working frame 2 is installed on the push-pull trolley, and a control box, a computer, etc. are also installed on the push-pull trolley; two groups of universal mechanical arms 301 are provided, and a screw locking mechanism is installed on each of the two groups of universal mechanical arms 301, and the two groups are independent of each other, which can improve work efficiency; a material loading box is arranged at each of the two ends of the top of the first working frame 2, and screws are placed in the material loading box; when working, the two ends of the product transmission line 1 are connected to the upstream and downstream assembly lines, and the upstream assembly line transmits the products that need to be screwed to the product transmission line 1, and the product transmission line 1 then transmits it to the preset work station; Subsequently, the end clamping mechanism 4 clamps the product to a limited position, and the universal robot arm 301 drives the screw locking mechanism to move. The screw locking mechanism absorbs the screw through the vacuum suction nozzle 307 and then moves to the screw hole of the product; the lifting drive mechanism drives the first lifting seat 303 to descend, so that the screw is pressed down into the screw hole through the screwdriver head 305, and then the electric screwdriver 304 is started to execute the screw locking process, and then the above steps are repeated until all the screws are locked; finally, the end clamping mechanism 4 releases the product, and the product transmission line 1 transmits the screwed product to the downstream assembly line, and then waits for the next product to arrive, and repeats this process.

[0034] In one embodiment, a first slide rail is further arranged along the vertical direction on one side of the first mounting plate 302, and the first lifting seat 303 is slidably connected to the first slide rail; the lifting drive mechanism includes a first fixed block 308 connected to the upper part of one side of the first mounting plate 302, a first lifting cylinder 309 installed on the first fixed block 308, a first lifting rod 310 connected to the output shaft of the first lifting cylinder 309, and a first connecting block 311 connected to the first lifting rod 310; the first connecting block 311 is connected to the first lifting seat 303. At the same time, the first connecting block 311 is L-shaped, one side of the L-shaped vertical end of the first connecting block 311 is connected to the first lifting seat 303, and the L-shaped horizontal end of the first connecting block 311 is movably mounted on the outer wall of the first lifting rod 310; the top and bottom of the first lifting rod 310 are respectively provided with a first limit platform and a second limit platform; the outer wall of the first lifting rod 310 is also provided with a first spring 312, and the two ends of the first spring 312 are respectively abutted against the top of the L-shaped horizontal end of the first connecting block 311 and the bottom of the first limit platform.

[0035] When the screwdriver bit 305 is tightening the screw, the first lifting seat 303 will rise under the influence of the reaction force, and then squeeze the first spring 312 through the first connecting block 311, so that the first spring 312 is in a compressed state; and driven by the restoring force of the first spring 312, a downward force can be applied to the first connecting block 311, so that the screwdriver bit 305 is always in a state of pressing down the screw, ensuring the normal progress of the screw tightening process.

[0036] In addition, a first buffer 313 is installed on the first fixed block 308, and the first buffer 313 is located above the L-shaped vertical end of the first connecting block 311; a second fixed block 314 is also connected to the lower part of the first mounting plate 302; a stop rod 315 is also installed on the second fixed block 314, and the stop rod 315 is located below the L-shaped vertical end of the first connecting block 311; a silicone plug 316 is also installed at the bottom of the L-shaped vertical end of the first connecting block 311 corresponding to the stop rod 315. The first buffer 313 and the stop rod 315 can limit the lifting stroke of the first lifting seat 303 to prevent it from lifting excessively. At the same time, a silicone plug 316 is also provided to buffer the force between the two when the L-shaped vertical end of the first connecting block 311 hits the stop rod 315 to avoid damage.

[0037] In one embodiment, a visual positioning mechanism 5 is also included; the visual positioning mechanism 5 includes a light source connecting frame 51 installed on the first mounting plate 302, a light source assembly 52 installed at the bottom of the light source connecting frame 51, a first fixing bracket 53 connected to the top of the light source connecting frame 51, and a detection camera 54 installed on one side of the first fixing bracket 53 and located above the light source assembly 52. ​​Through the detection camera 54, on the one hand, the holes for locking screws of the product can be located, and the positioning method can be to lock one point at a time, or to lock all points at once. On the other hand, it can travel to the top of all screw holes, take photos and analyze, and determine whether the product is a defective product. If it is a defective product, the machine will alarm and wait for manual processing.

[0038] In one embodiment, the end clamping mechanism 4 includes an X-axis translation mechanism 41 installed on the first workbench 2, a Z-axis lifting mechanism 42 connected to the X-axis translation mechanism 41, a Z-axis lifting plate 43 connected to the Z-axis lifting mechanism 42, and a first clamping plate 44 connected to the Z-axis lifting plate 43; one end of the first clamping plate 44 extends toward the top of the product transmission line 1, and a plurality of first limiting wheels 45 are installed at intervals on the bottom length direction of the first clamping plate 44.

[0039] In this embodiment, the X-axis translation mechanism 41 adopts a motor screw transmission mode, and the Z-axis lifting mechanism 42 adopts a cylinder drive mode; the Z-axis lifting mechanism 42 can drive the first clamping plate 44 to rise to form a avoidance position, so that the product transmission line 1 can connect with the products transmitted by the upstream assembly line and transmit the products with screws locked to the downstream assembly line; the X-axis translation mechanism 41 can drive the first clamping plate 44 to translate, so as to clamp and limit the two ends of the product through the first limiting wheel 45 to facilitate screw locking.

[0040] In addition, in order to ensure the stability of product placement, a first connecting frame 21 is also connected to the middle part of one side of the first working frame 2; one side of the first connecting frame 21 extends upward from the product transmission line 1, and a plurality of second limiting wheels 22 are also installed at intervals on one side of the first connecting frame 21 in the length direction; a second working frame 6 is also provided on the other side of the product transmission line 1, and a Y-axis translation mechanism 61 is also installed on the second working frame 6; the Y-axis translation mechanism 61 is driven and connected to a Y-axis translation plate 62, and one end of the Y-axis translation plate 62 extends upward from the product transmission line 1; a second clamping plate 63 is also connected to one end of the Y-axis translation plate 62 extending upward from the product transmission line 1, and a plurality of third limiting wheels 64 are also installed at intervals on the bottom length direction of the second clamping plate 63.

[0041] The Y-axis translation mechanism 61 adopts a motor screw transmission method, which can drive the second clamping plate 63 to translate, so as to push one side of the product to the second limiting wheel 22 on the first connecting frame 21, and then clamp and limit both sides of the product through the second limiting wheel 22 and the third limiting wheel 64, so as to further improve the placement stability of the product when the screws are locked.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-axis robot for locking screws on a TV back panel, characterized in that: include A product transmission line, wherein a first working frame is also provided on one side of the product transmission line; A screw locking device, the screw locking device comprises a universal mechanical arm arranged on the top of the first workbench, a first mounting plate connected to the universal mechanical arm, and a screw locking mechanism installed on one side of the first mounting plate; the screw locking mechanism comprises a first lifting seat slidably connected to one side of the first mounting plate, an electric screwdriver installed on the first lifting seat, a screwdriver head connected to the electric screwdriver, and a lifting drive mechanism installed on the first mounting plate and connected to the first lifting seat; a first fixed plate is connected to the lower part of one side of the first mounting plate, and a vacuum suction nozzle is also installed at the bottom of the first fixed plate; a vacuum joint for connecting to an external air source is also installed on the vacuum suction nozzle, and the lower part of the screwdriver head is movably inserted in the vacuum suction nozzle; An end clamping mechanism is also installed at both ends of one side of the first working frame, and the two end clamping mechanisms are used to clamp and fix the products on the product transmission line.

2. The multi-axis robot for locking screws on the back panel of a television according to claim 1, characterized in that: A first slide rail is also arranged on one side of the first mounting plate in the vertical direction, and the first lifting seat is slidably connected to the first slide rail; the lifting drive mechanism includes a first fixed block connected to the upper part of one side of the first mounting plate, a first lifting cylinder installed on the first fixed block, a first lifting rod connected to the output shaft of the first lifting cylinder, and a first connecting block connected to the first lifting rod; the first connecting block is connected to the first lifting seat.

3. The multi-axis robot for locking screws on the back panel of a television according to claim 2, characterized in that: The first connecting block is in an L-shaped structure, one side of the L-shaped vertical end of the first connecting block is connected to the first lifting seat, and the L-shaped horizontal end of the first connecting block is movably mounted on the outer wall of the first lifting rod; the top and bottom of the first lifting rod are respectively provided with a first limit platform and a second limit platform; the outer wall of the first lifting rod is also provided with a first spring, and the two ends of the first spring are respectively abutted against the top of the L-shaped horizontal end of the first connecting block and the bottom of the first limit platform.

4. The multi-axis robot for locking screws on the back panel of a television set according to claim 3, characterized in that: A first buffer is also installed on the first fixed block, and the first buffer is located above the L-shaped vertical end of the first connecting block; a second fixed block is also connected to the lower part of the first mounting plate; a stop rod is also installed on the second fixed block, and the stop rod is located below the L-shaped vertical end of the first connecting block; a silicone plug is also installed at the bottom of the L-shaped vertical end of the first connecting block corresponding to the stop rod.

5. The multi-axis robot for locking screws on the back panel of a television set according to claim 1, characterized in that: It also includes a visual positioning mechanism; the visual positioning mechanism includes a light source connecting frame installed on a first mounting plate, a light source assembly installed at the bottom of the light source connecting frame, a first fixed bracket connected to the top of the light source connecting frame, and a detection camera installed on one side of the first fixed bracket and located above the light source assembly.

6. The multi-axis robot for locking screws on a TV back panel according to claim 1, characterized in that: The end clamping mechanism includes an X-axis translation mechanism installed on the first workbench, a Z-axis lifting mechanism connected to the X-axis translation mechanism, a Z-axis lifting plate connected to the Z-axis lifting mechanism, and a first clamping plate connected to the Z-axis lifting plate; one end of the first clamping plate extends toward the top of the product transmission line, and a plurality of first limiting wheels are installed at intervals in the length direction of the bottom of the first clamping plate.

7. The multi-axis robot for locking screws on a TV back panel according to claim 1, characterized in that: A first connecting frame is also connected to the middle part of one side of the first working frame; one side of the first connecting frame extends above the product transmission line, and a plurality of second limiting wheels are installed at intervals on one side of the first connecting frame in the length direction; a second working frame is also provided on the other side of the product transmission line, and a Y-axis translation mechanism is also installed on the second working frame; the Y-axis translation mechanism is driven and connected to a Y-axis translation plate, and one end of the Y-axis translation plate extends toward the top of the product transmission line; a second clamping plate is also connected to one end of the Y-axis translation plate extending toward the top of the product transmission line, and a plurality of third limiting wheels are installed at intervals on the bottom length direction of the second clamping plate.

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