LCM (Liquid Crystal Module) welding jig

Abstract

The utility model relates to the technical field of display module welding, in particular to an LCM (Liquid Crystal Module) welding jig, and aims to overcome the defects of low welding quality and low welding efficiency caused by inconvenience in welding direction conversion in the prior art, the following scheme is provided: the LCM welding jig comprises a base, and a first sliding groove is formed in the top of the base; the number of the fixing legs is four, and the four fixing legs are all fixedly installed at the bottom of the base; the rotating shaft is rotationally installed at the top of the base, a rotating disc is fixedly installed at one end of the rotating shaft, and a plurality of pin holes are formed in the rotating disc; the workbench is fixedly mounted at the top of the rotary table, and a groove is formed in the top of the workbench; and the number of the mounting plates is two, the two mounting plates are both fixedly mounted on the inner wall of the bottom of the groove, one side of each mounting plate is provided with a second sliding groove, the welding direction is conveniently converted, and therefore the welding quality and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of display module welding, in particular to an LCM module welding jig. BACKGROUND

[0002] The LCM module welding jig refers to a tool used to assist in welding operations during the production of an LCM module. An LCM module (Liquid Crystal Module) refers to a display assembly composed of fine components such as liquid crystal display devices, connectors, control and drive peripheral circuits, PCB circuit boards, backlight sources, and structural components. In the manufacturing process of an LCM module, a welding jig plays a crucial role in ensuring the positional fixation and precision control of the components during the welding process, thereby improving production efficiency and product quality.

[0003] The patent document with publication number CN217799908U discloses an LCM module welding jig for main FPC welding and welding between LCM modules, which includes a jig body, a welding platform fixed to one end of the jig body, and a product fixing bracket fixed to one side of the jig body. A welding protection cover plate is provided on the welding platform, one end of the welding protection cover plate is rotatably connected to the welding platform, a product slot is formed in the product fixing bracket for placing an LCM product, a notch is formed in one end of the welding protection cover plate close to the product fixing bracket to form a welding area for main FPC welding, and a solder barrier is formed on the edge of the welding protection cover plate close to the product fixing bracket. The utility model can effectively reduce the invasion / residue of solder into the CG cover plate during the welding process, thereby improving the delivery yield.

[0004] The patent document with publication number CN221848929U discloses an LCM module welding jig, which relates to the technical field of display module welding and includes a housing, a bidirectional screw rod, a fixing component, and a clamping component. When welding a regularly shaped LCM module is needed, the first knob can be twisted first. The rotation of the first knob drives the bidirectional screw rod to rotate, thereby driving the first bevel gear to rotate. The rotation of the first bevel gear drives the second bevel gear meshing with it to rotate, thereby realizing the rotation of the symmetrically arranged screw rods in opposite directions. When the clamping component is moved to the appropriate position, the LCM module is placed between the clamping plates, with one side of the LCM module pins facing upwards. Then, the LCM module is clamped using the elastic force of the elastic spring. At this time, the LCM module is in contact with the fixing component.

[0005] However, the above-mentioned LCM module welding jig is not convenient for changing the welding direction, which may result in low welding quality and efficiency. SUMMARY

[0006] The purpose of this invention is to address the shortcomings of existing technologies, such as the inconvenience of changing the welding direction, which leads to low welding quality and efficiency. This invention proposes a welding fixture for LCM modules.

[0007] The LCM module welding fixture provided in this application adopts the following technical solution:

[0008] An LCM module welding fixture, comprising:

[0009] The base has a first sliding groove on its top.

[0010] The base has four fixed legs, all of which are fixedly installed on the bottom of the base.

[0011] A rotating shaft is rotatably mounted on the top of the base, and a turntable is fixedly mounted on one end of the rotating shaft. The turntable has multiple pin holes.

[0012] The workbench is fixedly installed on the top of the turntable, and the top of the workbench has a groove.

[0013] There are two mounting plates, and both mounting plates are fixedly installed on the bottom inner wall of the groove. A second sliding groove is opened on one side of each of the two mounting plates, and a lead screw is rotatably installed in each of the two second sliding grooves.

[0014] The limiting component is rotatably installed in the first slide groove.

[0015] Furthermore, each of the two lead screws is threadedly connected to a first moving block, and the two first moving blocks are slidably installed in the two second sliding grooves respectively. Each of the two first moving blocks is fixedly installed with a pressure plate, and a first knob is fixedly installed on one end of one of the two lead screws.

[0016] Furthermore, a first sprocket is fixedly mounted on one of the two lead screws, and the first sprocket engages with a chain. The chain engages with a second sprocket, and the second sprocket is fixedly mounted on the other lead screw of the two lead screws.

[0017] Furthermore, a fixing plate is fixedly installed on the top of the base, and a first transmission shaft is rotatably installed on the fixing plate. A second knob is fixedly installed on one end of the first transmission shaft, and a first bevel gear is fixedly installed on the other end of the first transmission shaft. The first bevel gear meshes with a second bevel gear, and the second bevel gear is fixedly installed on the rotating shaft.

[0018] Furthermore, the limiting component includes a bidirectional lead screw, which is rotatably installed in the first slide groove. Two second moving blocks are threadedly connected to the bidirectional lead screw, and both second moving blocks are slidably installed in the first slide groove. A fixing frame is fixedly installed on each of the two second moving blocks, and a pin is slidably installed on each of the two fixing frames. The two pins are respectively engaged with multiple pin holes.

[0019] Furthermore, a support plate and a support frame are fixedly installed on one side of the base, and a second transmission shaft is rotatably installed on the support plate. A third bevel gear is fixedly installed on one end of the second transmission shaft, and the third bevel gear meshes with a fourth bevel gear. The fourth bevel gear is fixedly installed on a bidirectional lead screw.

[0020] Furthermore, a worm gear is rotatably mounted on the support frame, and the worm gear meshes with a worm wheel. The worm wheel is fixedly mounted on the second transmission shaft, and a foot pedal is fixedly mounted on the worm gear.

[0021] In summary, this application includes at least one of the following beneficial technical effects:

[0022] 1. It can drive two first moving blocks to move through two lead screws, and the two first moving blocks drive two pressure plates to move, thereby clamping and fixing the workpiece through the two pressure plates;

[0023] 2. It can drive the turntable to rotate via the rotating shaft, which in turn drives the entire worktable to rotate, and the worktable drives the workpiece to rotate, making it easy to change the welding direction, thereby improving the quality and efficiency of welding. Attached Figure Description

[0024] Figure 1 This is a front view schematic diagram of an LCM module welding fixture according to Embodiment 1 of this application;

[0025] Figure 2 This is a rear view structural schematic diagram of an LCM module welding fixture according to Embodiment 1 of this application;

[0026] Figure 3 This is a front cross-sectional view of an LCM module welding fixture according to Embodiment 1 of this application;

[0027] Figure 4 This is a side cross-sectional view of an LCM module welding fixture according to Embodiment 1 of this application;

[0028] Figure 5 yes Figure 3 An enlarged schematic diagram of part A in the middle;

[0029] Figure 6 yes Figure 4 An enlarged schematic diagram of part A in the middle.

[0030] Reference numerals in the attached drawings: 1. Base; 2. Rotating shaft; 3. Turntable; 4. Workbench; 5. Mounting plate; 6. Lead screw; 7. First moving block; 8. Pressure plate; 9. First knob; 10. First sprocket; 11. Chain; 12. Second sprocket; 13. Fixing plate; 14. First drive shaft; 15. Second knob; 16. First bevel gear; 17. Second bevel gear; 18. Double-acting lead screw; 19. Second moving block; 20. Fixing frame; 21. Pin; 22. Support plate; 23. Second drive shaft; 24. Third bevel gear; 25. Fourth bevel gear; 26. Support frame; 27. Worm; 28. Worm wheel. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0032] Example 1

[0033] Reference Figures 1-6 An LCM module welding fixture, comprising:

[0034] Base 1, with a first groove on the top;

[0035] The base has four fixed legs, all of which are fixedly installed on the bottom of the base 1.

[0036] A rotating shaft 2 is rotatably mounted on the top of the base 1, and a turntable 3 is fixedly mounted on one end of the rotating shaft 2. The turntable 3 has multiple pin holes.

[0037] The workbench 4 is fixedly installed on the top of the turntable 3, and the top of the workbench 4 has a groove.

[0038] There are two mounting plates 5, and both mounting plates 5 are fixedly installed on the bottom inner wall of the groove. A second sliding groove is opened on one side of each of the two mounting plates 5, and a lead screw 6 is rotatably installed in each of the two second sliding grooves.

[0039] The limiting component is rotatably installed in the first slide groove.

[0040] Specifically, each of the two lead screws 6 is threadedly connected to a first moving block 7, and the two first moving blocks 7 are slidably installed in the two second sliding grooves respectively. Each of the two first moving blocks 7 is fixedly installed with a pressure plate 8, and a first knob 9 is fixedly installed on one end of one of the two lead screws 6.

[0041] Specifically, a first sprocket 10 is fixedly installed on one of the two lead screws 6, and the first sprocket 10 engages with a chain 11. The chain 11 engages with a second sprocket 12, and the second sprocket 12 is fixedly installed on the other lead screw 6.

[0042] Specifically, a fixing plate 13 is fixedly installed on the top of the base 1, and a first drive shaft 14 is rotatably installed on the fixing plate 13. A second knob 15 is fixedly installed on one end of the first drive shaft 14, and a first bevel gear 16 is fixedly installed on the other end of the first drive shaft 14. The first bevel gear 16 meshes with a second bevel gear 17, and the second bevel gear 17 is fixedly installed on the rotating shaft 2.

[0043] Specifically, the limiting component includes a bidirectional lead screw 18, which is rotatably installed in the first slide groove. Two second moving blocks 19 are threadedly connected to the bidirectional lead screw 18, and both second moving blocks 19 are slidably installed in the first slide groove. A fixing bracket 20 is fixedly installed on each of the two second moving blocks 19, and a pin 21 is slidably installed on each of the two fixing brackets 20. The two pins 21 are respectively engaged with multiple pin holes.

[0044] Specifically, a support plate 22 and a support frame 26 are fixedly installed on one side of the base 1, and a second transmission shaft 23 is rotatably installed on the support plate 22. A third bevel gear 24 is fixedly installed on one end of the second transmission shaft 23, and the third bevel gear 24 meshes with a fourth bevel gear 25. The fourth bevel gear 25 is fixedly installed on the bidirectional lead screw 18.

[0045] Specifically, a worm gear 27 is rotatably mounted on the support frame 26, and the worm gear 27 meshes with a worm wheel 28. The worm wheel 28 is fixedly mounted on the second transmission shaft 23, and a foot pedal is fixedly mounted on the worm gear 27.

[0046] The implementation principle of the LCM module welding fixture in this application embodiment is as follows: During use, the workpiece is placed on the workbench 4. The first knob 9 is manually rotated, causing one of the two lead screws 6 to rotate. This lead screw 6 then rotates the first sprocket 10, which in turn rotates the second sprocket 12 via a chain 11. The second sprocket 12 then rotates the other lead screw 6. The two lead screws 6 respectively move the two first moving blocks 7, which in turn move the two pressure plates 8. The two pressure plates 8 clamp and fix the workpiece. At this time, the worker performs the LCM module welding operation. When the worker steps on the foot pedal, the foot pedal rotates the worm gear 27, which in turn rotates the worm wheel 28. The worm wheel 28 then rotates the second drive shaft 23, which in turn rotates the second drive shaft 23. The third bevel gear 24 rotates, driving the fourth bevel gear 25 to rotate. The fourth bevel gear 25 drives the double-acting lead screw 18 to rotate. The double-acting lead screw 18 simultaneously drives the two second moving blocks 19 to move away from each other. The two second moving blocks 19 simultaneously drive the two fixed brackets 20 to move away from each other. The two fixed brackets 20 simultaneously drive the two pins 21 to move away from each other. The two pins 21 separate from the multiple mating pin holes. At this time, the second knob 15 is manually rotated. The second knob 15 drives the first transmission shaft 14 to rotate. The first transmission shaft 14 drives the first bevel gear 16 to rotate. The first bevel gear 16 drives the second bevel gear 17 to rotate. The second bevel gear 17 drives the rotating shaft 2 to rotate. The rotating shaft 2 drives the turntable 3 to rotate. The turntable 3 drives the worktable 4 to rotate as a whole. The worktable 4 drives the workpiece to rotate, which facilitates the change of welding direction, thereby improving the quality and efficiency of welding.

[0047] Example 2

[0048] The difference between this embodiment and Embodiment 1 is that a robotic arm is installed on the top of the base 1, and the welding gun is mounted on the robotic arm. The robotic arm drives the welding gun to work, reducing the workload of the workers.

[0049] Example 3

[0050] The difference between this embodiment and Embodiment 1 is that: two mounting plates 5 are slidably mounted on the bottom inner wall of the groove, and push rod motors are fixedly mounted on both sides of the inner wall of the groove. The output shafts of the two push rod motors are fixedly connected to the two mounting plates 5 respectively. When the two push rod motors are started, the two push rod motors drive the two mounting plates 5 to move relative to each other as a whole. The two mounting plates 5 drive the two lead screws 6 to move relative to each other. The two lead screws 6 drive the two first moving blocks 7 to move relative to each other. The two first moving blocks 7 drive the two pressure plates 8 to move relative to each other, which facilitates the clamping and fixing of workpieces of different sizes and specifications.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A welding fixture for LCM modules, characterized in that: include: The base (1) has a first groove on its top; The base has four fixed legs, and all four fixed legs are fixedly installed on the bottom of the base (1). A rotating shaft (2) is rotatably mounted on the top of the base (1), and a turntable (3) is fixedly mounted on one end of the rotating shaft (2), and the turntable (3) has multiple pin holes. The workbench (4) is fixedly installed on the top of the turntable (3), and the top of the workbench (4) is provided with a groove; There are two mounting plates (5), and both mounting plates (5) are fixedly installed on the bottom inner wall of the groove. A second sliding groove is opened on one side of each of the two mounting plates (5), and a screw rod (6) is rotatably installed in each of the two second sliding grooves. The limiting component is rotatably installed in the first slide groove.

2. The LCM module welding fixture according to claim 1, characterized in that: Both lead screws (6) are threaded with first moving blocks (7), and the two first moving blocks (7) are slidably installed in the two second sliding grooves respectively. Both first moving blocks (7) are fixedly installed with pressure plates (8), and one end of one of the lead screws (6) is fixedly installed with a first knob (9).

3. The LCM module welding fixture according to claim 1, characterized in that: A first sprocket (10) is fixedly mounted on one of the two lead screws (6), and the first sprocket (10) engages with a chain (11). The chain (11) engages with a second sprocket (12), and the second sprocket (12) is fixedly mounted on the other lead screw (6) of the two lead screws (6).

4. The LCM module welding fixture according to claim 3, characterized in that: A fixing plate (13) is fixedly installed on the top of the base (1), and a first transmission shaft (14) is rotatably installed on the fixing plate (13). A second knob (15) is fixedly installed on one end of the first transmission shaft (14), and a first bevel gear (16) is fixedly installed on the other end of the first transmission shaft (14). The first bevel gear (16) meshes with a second bevel gear (17), and the second bevel gear (17) is fixedly installed on the rotating shaft (2).

5. The LCM module welding fixture according to claim 4, characterized in that: The limiting component includes a bidirectional lead screw (18), which is rotatably installed in the first slide groove. Two second moving blocks (19) are threadedly connected to the bidirectional lead screw (18), and both second moving blocks (19) are slidably installed in the first slide groove. A fixing frame (20) is fixedly installed on each of the two second moving blocks (19), and a pin (21) is slidably installed on each of the two fixing frames (20). The two pins (21) are respectively engaged with multiple pin holes.

6. The LCM module welding fixture according to claim 5, characterized in that: A support plate (22) and a support frame (26) are fixedly installed on one side of the base (1), and a second transmission shaft (23) is rotatably installed on the support plate (22). A third bevel gear (24) is fixedly installed on one end of the second transmission shaft (23), and the third bevel gear (24) meshes with a fourth bevel gear (25). The fourth bevel gear (25) is fixedly installed on a two-way lead screw (18).

7. The LCM module welding fixture according to claim 6, characterized in that: A worm gear (27) is rotatably mounted on the support frame (26), and the worm gear (27) meshes with a worm wheel (28). The worm wheel (28) is fixedly mounted on the second transmission shaft (23), and a foot pedal is fixedly mounted on the worm gear (27).

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