A foldable screen hinge concentricity calibration fixture assembly

Abstract

This utility model discloses a concentricity calibration fixture assembly for a folding screen hinge, including a vacuum adsorption stage. A concentricity calibration mechanism is fixedly connected to the upper side of the vacuum adsorption stage. The concentricity calibration mechanism includes a calibration component, a fixed positioning component, and an adjustable positioning component fixedly connected to the upper side of the vacuum adsorption stage. The fixed positioning component includes an adjustment seat fixedly connected to the upper side of the vacuum adsorption stage, and a first positioning element is installed on the adjustment seat. This utility model can achieve automatic concentricity calibration of a folding screen hinge without relying on worker experience, effectively improving the accuracy and quality of folding screen hinge concentricity calibration. The replaceable calibration head facilitates replacement, and the fixed positioning component and adjustable positioning component can be flexibly adjusted to accommodate folding screen hinges of different sizes, effectively improving the flexibility of the calibration fixture.

Description

Technical Field

[0001] This utility model relates to the field of calibration tooling technology, specifically a calibrating tooling assembly for the concentricity of a folding screen hinge. Background Technology

[0002] A foldable screen is a screen that can be folded for use, mainly consisting of two screens and a hinge in the middle. After the existing foldable screen hinges are assembled, their concentricity needs to be calibrated to ensure that the concentricity of the hinges meets the process requirements.

[0003] The existing foldable screen hinge concentricity calibration work requires manual calibration by workers, which relies too much on workers' work experience. Different workers have different calibration quality, resulting in inconsistent calibration quality and thus large calibration errors in the foldable screen hinge. Utility Model Content

[0004] The purpose of this invention is to provide a folding screen hinge concentricity calibration fixture assembly to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] This utility model provides a folding screen hinge concentricity calibration fixture assembly, including a vacuum adsorption stage, and a concentricity calibration mechanism is fixedly connected to the upper side of the vacuum adsorption stage.

[0007] The concentricity calibration mechanism includes a calibration component, a fixed positioning component, and an adjustable positioning component fixedly connected to the upper side of the vacuum adsorption stage. The fixed positioning component includes an adjustment seat fixedly connected to the upper side of the vacuum adsorption stage, on which a first positioning element is mounted. The adjustable positioning component includes a mounting plate fixedly connected to the upper side of the vacuum adsorption stage, on which a first electric actuator is fixedly connected to the vertical side wall. The output end of the first electric actuator is rotatably connected to a second positioning element via a bearing. The calibration component includes a fixed plate fixedly connected to the upper side of the vacuum adsorption stage, on which a second electric actuator is fixedly connected to the vertical side wall. The output end of the second electric actuator is fixedly connected to a mounting base. A replaceable calibration head is mounted on the mounting base. The replaceable calibration head includes a U-shaped plate connected to the mounting base. Mounting grooves are provided on the upper and lower side walls of the U-shaped plate. A first calibration roller is rotatably connected in the mounting grooves. Two connecting blocks are symmetrically fixedly connected to the U-shaped plate. A mounting shaft is fixedly connected between the two connecting blocks. A second calibration roller is rotatably sleeved on the mounting shaft. The two first calibration rollers are located on the upper and lower sides of the second calibration roller, respectively.

[0008] Furthermore, the adjusting seat includes a guide rail fixedly connected to the upper side of the vacuum adsorption table, a movable plate movably sleeved on the guide rail, a fixing block fixedly connected to the vertical side wall of the movable plate, the fixing block being located above the guide rail, and two locking screws threadedly connected to the fixing block, and the first positioning member fixedly connected to the vertical side wall of the movable plate.

[0009] Furthermore, a plug plate is fixedly connected to the side of the U-shaped plate near the mounting base. The plug plate is movably inserted into the mounting base. Both the plug plate and the mounting base have threaded holes, and locking bolts are threaded into the threaded holes.

[0010] Furthermore, the first positioning element includes a first mounting cylinder fixedly connected to the vertical side wall of the movable plate, and a first positioning post is rotatably inserted into the first mounting cylinder.

[0011] Furthermore, the second positioning component includes a second mounting cylinder fixedly sleeved on the output end of the first electric actuator, a motor fixedly inserted inside the second mounting cylinder, and a second positioning pin fixedly connected to the output end of the motor.

[0012] Furthermore, the vertical sidewall of the guide rail is evenly provided with multiple scale grooves, and the vertical sidewall of the moving plate is provided with triangular indicator grooves corresponding to the scale grooves.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This invention utilizes a concentricity calibration mechanism. During the concentricity calibration of the folding screen hinge, the hinge is placed between a first positioning member and a second positioning member. Activating the first electric actuator moves the second positioning member closer to the first positioning member. The cooperation of the first and second positioning members horizontally clamps the folding screen hinge. Activating the motor rotates the second positioning post, which in turn rotates the folding screen hinge. The cooperation of the first and second positioning posts ensures stable rotation of the folding screen hinge. Activating the second electric actuator moves a replaceable calibration head towards the folding screen hinge, allowing the head to be fitted onto the hinge, thus calibrating the first alignment. The first and second calibration rollers are tightly fitted to the folding screen shaft. When the folding screen shaft rotates, the first and second calibration rollers work together to calibrate the folding screen shaft, thereby correcting the concentricity deviation of the folding screen shaft to meet the process requirements. This enables automatic concentricity calibration of the folding screen shaft without relying on worker experience, effectively improving the accuracy and quality of the concentricity calibration. The replaceable calibration head facilitates easy replacement, and the fixed and adjustable positioning components allow for flexible adjustment to accommodate folding screen shafts of different sizes, effectively improving the flexibility of the calibration fixture. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the concentricity calibration mechanism;

[0017] Figure 3 for Figure 1 A schematic diagram of the structure of the calibration component;

[0018] Figure 4 for Figure 1 A schematic diagram of the replaceable calibration head.

[0019] Figure 5 for Figure 1 Schematic diagram of the connection structure between the second electric actuator and the mounting base;

[0020] Figure 6 for Figure 1 A schematic diagram of the structure of the fixed positioning component;

[0021] Figure 7 for Figure 1 A schematic diagram of the adjustable positioning component.

[0022] In the diagram: 1. Vacuum adsorption stage; 2. Concentricity calibration mechanism; 3. Calibration component; 4. Fixed positioning component; 5. Adjustable positioning component; 6. Adjustment seat; 7. First positioning component; 8. Mounting plate; 9. First electric actuator; 10. Second positioning component; 11. Fixing plate; 12. Second electric actuator; 13. Mounting seat; 14. Replaceable calibration head; 15. U-shaped plate; 16. Mounting groove; 17. First calibration roller; 18. Connecting block; 19. Mounting shaft; 20. Second calibration roller; 21. Guide rail; 22. Moving plate; 23. Fixing block; 24. Locking screw; 25. Insert plate; 26. Threaded hole; 27. Locking bolt; 28. First mounting cylinder; 29. ​​First positioning post; 30. Second mounting cylinder; 31. Second positioning post; 32. Scale groove; 33. Triangular indicator groove; 34. Motor. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-7 This utility model provides a folding screen hinge concentricity calibration fixture assembly, including a vacuum adsorption stage 1, and a concentricity calibration mechanism 2 is fixedly connected to the upper side of the vacuum adsorption stage 1.

[0025] The concentricity calibration mechanism 2 includes a calibration component 3, a fixed positioning component 4, and an adjustable positioning component 5, all fixedly connected to the upper side of the vacuum adsorption stage 1. The fixed positioning component 4 includes an adjustment seat 6 fixedly connected to the upper side of the vacuum adsorption stage 1, on which a first positioning element 7 is mounted. The adjustable positioning component 5 includes a mounting plate 8 fixedly connected to the upper side of the vacuum adsorption stage 1, with a first electric actuator 9 fixedly connected to the vertical sidewall of the mounting plate 8. The output end of the first electric actuator 9 is rotatably connected to a second positioning element 10 via a bearing. The calibration component 3 includes a fixed plate 11 fixedly connected to the upper side of the vacuum adsorption stage 1, with a fixed positioning element 7 fixedly connected to the vertical sidewall of the fixed plate 10. A second electric actuator 12 is connected, and the output end of the second electric actuator 12 is fixedly connected to a mounting base 13. A replaceable calibration head 14 is installed on the mounting base 13. The replaceable calibration head 14 includes a U-shaped plate 15 connected to the mounting base 13. The upper and lower side walls of the U-shaped plate 15 are provided with mounting grooves 16. A first calibration roller 17 is rotatably connected in the mounting grooves 16. Two connecting blocks 18 are symmetrically fixedly connected to the U-shaped plate 15. A mounting shaft 19 is fixedly connected between the two connecting blocks 18. A second calibration roller 20 is rotatably sleeved on the mounting shaft 19. The two first calibration rollers 17 are located on the upper and lower sides of the second calibration roller 20, respectively.

[0026] In the above embodiment, when calibrating the concentricity of the folding screen hinge, the folding screen hinge is placed between the first positioning member 7 and the second positioning member 10. The first electric push rod 9 is activated, which moves the second positioning member 10 closer to the first positioning member 7. The cooperation between the first positioning member 7 and the second positioning member 10 allows for horizontal clamping of the folding screen hinge. The motor 34 is activated, which rotates the second positioning post 31. The second positioning post 31 rotates the folding screen hinge. The cooperation between the first positioning post 29 and the second positioning post 31 allows for stable rotation of the folding screen hinge. The second electric push rod 12 is activated, which moves the second electric push rod 1... 2. The replaceable calibration head 14 is moved toward the folding screen shaft, so that the replaceable calibration head 14 is fitted onto the folding screen shaft, and the first calibration roller 17 and the second calibration roller 20 are in close contact with the folding screen shaft. When the folding screen shaft rotates, the first calibration roller 17 and the second calibration roller 20 cooperate to calibrate the folding screen shaft, so that the concentricity of the folding screen shaft with large concentricity deviation can be calibrated to meet the process requirements. The replaceable calibration head 14 is easy to replace, and the fixed positioning component 4 and the adjustable positioning component 5 can be flexibly adjusted, so as to correspond to folding screen shafts of different sizes, effectively improving the flexibility of the calibration fixture.

[0027] The adjusting seat 6 includes a guide rail 21 fixedly connected to the upper side of the vacuum adsorption stage 1. A movable plate 22 is movably sleeved on the guide rail 21. A fixing block 23 is fixedly connected to the vertical side wall of the movable plate 22. The fixing block 23 is located above the guide rail 21. Two locking screws 24 are threadedly connected to the fixing block 23. The first positioning member 7 is fixedly connected to the vertical side wall of the movable plate 22.

[0028] In the above embodiment, during adjustment, loosening the two locking screws 24 releases the locking screws 24 from limiting the fixing of the fixing block 23, and pushing the moving plate 22 allows the moving plate 22 to move on the guide rail 21, thereby adjusting the position of the first positioning member 7. After adjustment, tightening the locking screws 24 again fixes the position of the first positioning member 7.

[0029] A plug plate 25 is fixedly connected to the side of the U-shaped plate 15 near the mounting base 13. The plug plate 25 is movably inserted into the mounting base 13. Both the plug plate 25 and the mounting base 13 are provided with threaded holes 26. Locking bolts 27 are threaded into the threaded holes 26.

[0030] In this embodiment, when replacing the replaceable calibration head 14, the locking bolt 27 is turned to disengage the locking bolt 27 from the threaded hole 26, thereby releasing the locking bolt 27 from limiting and fixing the insert plate 25. The replaceable calibration head 14 is then pulled, causing the replaceable calibration head 14 to drive the insert plate 25 away from the mounting base 13, thus completing the disassembly of the replaceable calibration head 14. This allows for quick replacement of the replaceable calibration head 14 and enables the replacement of different replaceable calibration heads 14 according to different sizes of folding screen hinges, improving the adaptability to different sizes of folding screen hinges.

[0031] The first positioning component 7 includes a first mounting cylinder 28 fixedly connected to the vertical side wall of the movable plate 22, and a first positioning post 29 is rotatably inserted into the first mounting cylinder 28.

[0032] In the above embodiment, the first positioning post 29 is rotatable relative to the first mounting cylinder 28, thereby being able to rotate with the folding screen hinge and avoiding wear on the folding screen hinge.

[0033] The second positioning component 10 includes a second mounting cylinder 30 fixedly sleeved on the output end of the first electric push rod 9. A motor 34 is fixedly inserted into the second mounting cylinder 30, and a second positioning post 31 is fixedly connected to the output end of the motor 34.

[0034] In this embodiment, when in use, the motor 34 is started, the motor 34 drives the second positioning post 31 to rotate, the second positioning post 31 drives the folding screen shaft to rotate, thereby driving the folding screen shaft to rotate at a constant speed.

[0035] The vertical sidewall of the guide rail 21 is evenly provided with a plurality of scale grooves 32, and the vertical sidewall of the moving plate 22 is provided with triangular indicator grooves 33 corresponding to the scale grooves 32.

[0036] In the above embodiment, the triangular indicator groove 33 and the scale groove 32 cooperate with each other to accurately indicate the adjustment stroke of the moving plate 22, thereby improving the adjustment accuracy of the fixed positioning component 4.

[0037] Working principle: During the concentricity calibration of the folding screen hinge, the folding screen hinge is placed between the first positioning component 7 and the second positioning component 10. The first electric push rod 9 is activated, which moves the second positioning component 10 closer to the first positioning component 7. The cooperation between the first positioning component 7 and the second positioning component 10 allows for horizontal clamping of the folding screen hinge. The motor 34 is then activated, which rotates the second positioning post 31. The second positioning post 31 rotates the folding screen hinge. The cooperation between the first positioning post 29 and the second positioning post 31 ensures stable rotation of the folding screen hinge. Finally, the second electric push rod 12 is activated. The replaceable calibration head 14 is moved toward the folding screen hinge, so that the replaceable calibration head 14 is fitted onto the folding screen hinge, and the first calibration roller 17 and the second calibration roller 20 are tightly fitted with the folding screen hinge. When the folding screen hinge rotates, the first calibration roller 17 and the second calibration roller 20 cooperate to calibrate the folding screen hinge, thereby calibrating the concentricity of the folding screen hinge with large concentricity deviation to meet the process requirements. The replaceable calibration head 14 is easy to replace, and the fixed positioning component 4 and the adjustable positioning component 5 can be flexibly adjusted to accommodate folding screen hinges of different sizes, effectively improving the flexibility of the calibration fixture.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A folding screen hinge concentricity calibration fixture assembly, comprising a vacuum adsorption stage (1), characterized in that: A concentricity calibration mechanism (2) is fixedly connected to the upper side of the vacuum adsorption stage (1). The concentricity calibration mechanism (2) includes a calibration component (3), a fixed positioning component (4), and an adjustable positioning component (5) fixedly connected to the upper side of the vacuum adsorption stage (1). The fixed positioning component (4) includes an adjustment seat (6) fixedly connected to the upper side of the vacuum adsorption stage (1), and a first positioning element (7) is installed on the adjustment seat (6). The adjustable positioning component (5) includes a mounting plate (8) fixedly connected to the upper side of the vacuum adsorption stage (1), and a first electric push rod (9) is fixedly connected to the vertical side wall of the mounting plate (8). The output end of the first electric push rod (9) is rotatably connected to a second positioning element (10) through a bearing. The calibration component (3) includes a fixed plate (11) fixedly connected to the upper side of the vacuum adsorption stage (1), and the vertical side wall of the fixed plate (11) is fixedly connected to the second positioning element (10). A second electric actuator (12) is connected, and a mounting base (13) is fixedly connected to the output end of the second electric actuator (12). A replaceable calibration head (14) is installed on the mounting base (13). The replaceable calibration head (14) includes a U-shaped plate (15) connected to the mounting base (13). The upper and lower side walls of the U-shaped plate (15) are provided with mounting grooves (16). A first calibration roller (17) is rotatably connected in the mounting groove (16). Two connecting blocks (18) are symmetrically fixedly connected on the U-shaped plate (15). A mounting shaft (19) is fixedly connected between the two connecting blocks (18). A second calibration roller (20) is rotatably sleeved on the mounting shaft (19). The two first calibration rollers (17) are located on the upper and lower sides of the second calibration roller (20), respectively.

2. The folding screen hinge concentricity calibration fixture assembly according to claim 1, characterized in that: The adjusting seat (6) includes a guide rail (21) fixedly connected to the upper side of the vacuum adsorption stage (1). A movable plate (22) is movably sleeved on the guide rail (21). A fixing block (23) is fixedly connected to the vertical side wall of the movable plate (22). The fixing block (23) is located above the guide rail (21). Two locking screws (24) are threaded on the fixing block (23). The first positioning member (7) is fixedly connected to the vertical side wall of the movable plate (22).

3. The folding screen hinge concentricity calibration fixture assembly according to claim 2, characterized in that: A plug plate (25) is fixedly connected to the side of the U-shaped plate (15) near the mounting base (13). The plug plate (25) is movably inserted into the mounting base (13). Threaded holes (26) are provided on both the plug plate (25) and the mounting base (13). Locking bolts (27) are threaded into the threaded holes (26).

4. The folding screen hinge concentricity calibration fixture assembly according to claim 3, characterized in that: The first positioning component (7) includes a first mounting cylinder (28) fixedly connected to the vertical side wall of the movable plate (22), and a first positioning post (29) is rotatably inserted into the first mounting cylinder (28).

5. The folding screen hinge concentricity calibration fixture assembly according to claim 4, characterized in that: The second positioning component (10) includes a second mounting cylinder (30) fixedly sleeved on the output end of the first electric push rod (9), and a motor (34) is fixedly inserted inside the second mounting cylinder (30). The output end of the motor (34) is fixedly connected to a second positioning column (31).

6. The folding screen hinge concentricity calibration fixture assembly according to claim 5, characterized in that: The vertical sidewall of the guide rail (21) is evenly provided with multiple scale grooves (32), and the vertical sidewall of the moving plate (22) is provided with triangular indicator grooves (33) corresponding to the scale grooves (32).

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