Bearing cap large-torque locking monitoring and testing mechanism
By designing the bearing cover large torque locking monitoring and testing mechanism, the vertical alignment and reliable locking of the screws are achieved by using electric screwdrivers and butterfly screws, the problems of unreliable locking fulcrum and inaccurate torque caused by manual operation are solved, and the problems of unreliable locking fulcrum and inaccurate torque are improved. Production efficiency and quality of injection molded parts.
Patent Information
- Application Number
- CN202421147272.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-24
AI Technical Summary
In the production of injection molded parts, manual operation results in unreliable locking and fulcrum points, not vertically placed screws, and not vertically held screws, resulting in inaccurate test results during inspections. The status of injection molded parts in the same batch is large, with cracked holes and screws Slip without torque and other quality problems.
Design a bearing cover large torque lock monitoring and testing mechanism, including frame, positioning rotation group, cantilever frame group and detector, to achieve vertical alignment and reliable locking of screws through electric screwdrivers and butterfly screws to ensure torque accuracy.
It improves the stability and accuracy of lock-up test, shortens the test time, improves the effectiveness of the injection molding process, reduces the work intensity and cost of quality control personnel, and reduces the occurrence of poor quality.
Smart Images
Figure CN222336748U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a monitoring and testing mechanism, in particular to a large torque locking monitoring and testing mechanism for a bearing cover. Background Art
[0002] In the manufacturing of plastic parts, many parts basically have secondary processing steps, and the shape and position of many parts have functional requirements. They will be assembled with other parts in the later stage, such as snap fit, embedded combination, screw assembly, etc. For injection molded parts that are subsequently cut with self-tapping screws for locking assembly, the diameter of the screw bottom hole is generally designed to be different in size during development. During the production process of injection molded parts, the quality control department set up by the factory will conduct frequent inspections on the manufacture of injection molded parts.
[0003] Normally, for holes with locking requirements, quality control inspectors will use self-tapping screws of the counterpart to perform simulated locking inspections on the injection molded parts. During the test, the inspectors all hold electric screwdrivers, one hand pressing the injection molded part and the other holding the screwdriver to perform simulated locking operations. However, due to pure manual operation, the locking fulcrum is unreliable, the screws are not placed vertically, the screwdriver is not held vertically, the controllable torque range is not standardized, etc., resulting in large differences in the states of the same batch of injection molded parts tested during the inspection, such as cracked apertures, screws slipping and no torque, injection molded parts flying away without being pressed, missing points, etc. The method is unscientific. A large torque locking monitoring and testing mechanism for bearing covers is proposed. Utility Model Content
[0004] The main purpose of the utility model is to provide a large torque locking monitoring and testing mechanism for a bearing cover, so as to solve the problems of manual operation, unreliable locking fulcrum, non-vertical screw placement, non-vertical hand-held screwdriver, etc. proposed in the related art.
[0005] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a bearing cover large torque locking monitoring and testing mechanism is provided, including a frame, a positioning rotation group is fixedly installed on the surface of the frame, the positioning rotation group includes a positioning fixture seat, a plurality of placement grooves are opened inside the positioning fixture seat, a positioning pressure plate is rotatably connected to the surface of the positioning rotation group, a plurality of self-tapping screw holes are opened on the surface of the positioning pressure plate, the positioning pressure plate is fitted with the surface of the placement groove, a cantilever frame group is fixedly installed on the surface of the frame, an electric screwdriver is rotatably connected to the end of the cantilever frame group, and the end of the electric screwdriver is fitted with the surface of the self-tapping screw hole.
[0006] Furthermore, a bearing seat is fixedly installed on the surface of the frame, and the end of the bearing seat is rotatably connected to a positioning fixture seat, a column is fixedly installed on the surface of the positioning fixture seat, a limiting ring is fixedly installed on the end of the column, and a first spring is fixedly installed on the lower surface of the limiting ring, and the other end of the first spring is fixedly connected to the surface of the positioning pressure plate, and the positioning pressure plate is slidably connected to the surface of the column.
[0007] Furthermore, each of the placement slots is provided with screw holes on both sides, and the surface of the positioning plate is provided with two screw holes corresponding to the placement slots. The screw holes on both sides of the placement slots and the screw holes on the surface of the positioning plate are internally threadedly connected with butterfly screws.
[0008] Furthermore, a support column is fixedly mounted on the surface of the frame, a first bracket is rotatably connected to the surface of the support column, a second bracket is hinged to the end of the first bracket, and the electric screwdriver is rotatably connected to the end of the second bracket.
[0009] Furthermore, a connecting plate is fixedly mounted on the end of the second bracket, a connecting block is fixedly mounted on the lower surface of the connecting plate, a rotating plate is rotatably connected inside the connecting block, and the electric screwdriver is fixedly mounted inside the rotating plate.
[0010] Furthermore, an insertion rod is slidably connected inside the connecting plate, a fixed block is fixedly installed on the surface of the rotating plate, a second insertion hole is opened on the surface of the fixed block, the insertion rod is movably inserted in the second insertion hole, a sliding groove is opened inside the connecting plate, a slider is fixedly installed on the surface of the insertion rod, the slider is slidably connected in the sliding groove, a second spring is fixedly installed on the lower surface of the slider, and the other end of the second spring is fixedly connected in the sliding groove.
[0011] Furthermore, a positioning pin seat is fixedly installed on the surface of the frame, and the positioning pin seat includes a mounting block, a moving rod is slidably connected inside the mounting block, a plurality of first sockets are provided at the bottom of the positioning fixture seat, the moving rod is movably inserted inside the first sockets, a connecting rod is fixedly installed on the surface of the moving rod, an L-shaped groove is provided on the surface of the mounting block, the connecting rod is slidably connected inside the L-shaped groove, a positioning ring is fixedly installed on the surface of the moving rod, a positioning groove is provided inside the mounting block, the positioning ring is slidably connected inside the positioning groove, a third spring is fixedly installed on the lower surface of the positioning ring, and the third spring is fixedly connected inside the positioning groove.
[0012] Furthermore, a detector is fixedly installed on the surface of the rack.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. The device has a simple structure and is easy to process. It can be operated in conjunction with the process inspection by quality control personnel. It has high accuracy in pre-installation and support, shortens the frequency and completion time of screw locking tests for multi-point small-volume injection molded parts, and makes the simulated assembly locking more stable. At the same time, the corresponding increase in detection time speeds up the start-up efficiency of manufacturing, improves the effectiveness of the injection molding process, increases output, reduces the time cost and labor cost of process monitoring by quality control personnel, improves the quality of process inspection, and effectively prevents various quality defects during pure manual locking monitoring and inspection, and prevents the outflow of batches of defective injection molded parts.
[0015] 2. The auxiliary mechanism ensures the reliability of press-fitting during the locking test, the vertical accuracy of the screw and the injection molded part during the locking action, the effectiveness of the torque benchmark required by the technical requirements, and improves the overall quality.
[0016] 3. The use of large torque locking monitoring and testing auxiliary mechanism reduces the workload of quality control personnel and prevents potential safety hazards in the process. For subsequent similar injection molding projects, as long as the new injection molding positioning and rotating assembly matches the injection molding and the self-tapping screw guide positioning plate is replaced, the technology to improve processing quality and precision can be realized. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the positioning and rotating group of the utility model;
[0019] Figure 3 This is a schematic diagram of the positioning plate structure of the utility model;
[0020] Figure 4 This is a schematic diagram of the cantilever frame structure of the utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the positioning pin seat of the utility model;
[0022] Figure 6 It is an enlarged schematic diagram of the structure at point A of the utility model.
[0023] Illustrations: 1. Frame; 2. Positioning and rotating group; 21. Bearing seat; 22. Positioning fixture seat; 23. Placement slot; 24. Column; 25. Limiting ring; 26. First spring; 27. Screw hole; 28. First plug hole; 3. Positioning pressure plate; 31. Self-tapping screw hole; 32. Butterfly screw; 4. Cantilever frame group; 41. Support column; 42. First bracket; 43. Second bracket; 44. Connecting plate; 45. Insert rod; 46. Sliding slot; 47. Sliding block; 48. Second spring; 5. Electric screwdriver; 51. Rotating plate; 52. Connecting block; 53. Fixed block; 54. Second plug hole; 6. Positioning pin seat; 61. Mounting block; 62. Moving rod; 63. Connecting rod; 64. L-shaped slot; 65. Positioning ring; 66. Positioning slot; 67. Third spring; 7. Detector. DETAILED DESCRIPTION
[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.
[0025] See also Figures 1 to 6 , provided by an embodiment of the utility model, a bearing cover large torque lock monitoring and testing mechanism includes a frame 1, the frame 1 supports the device, a positioning rotation group 2 is fixedly installed on the surface of the frame 1, the positioning rotation group 2 includes a positioning fixture seat 22, the positioning fixture seat 22 can rotate, thereby driving the injection molded part to rotate, facilitating the locking inspection of the injection molded part by multiple self-tapping screws, a plurality of placement grooves 23 are opened inside the positioning fixture seat 22, the injection molded part is placed inside the placement groove 23 to wait for detection, and a positioning pressure plate 3 is rotatably connected to the surface of the positioning rotation group 2, and the positioning pressure plate 3 is opposite to the positioning rotation group 2. The injection molded parts are pressed and fixed to prevent them from shifting during detection. A plurality of self-tapping screw holes 31 are opened on the surface of the positioning plate 3. The self-tapping screws are threadedly inserted into the self-tapping screw holes 31 at the ends of the electric screwdriver 5. The positioning plate 3 fits the surface of the placement groove 23. A cantilever frame group 4 is fixedly installed on the surface of the frame 1. The cantilever frame group 4 adjusts the position height of the electric screwdriver 5 so that the ends of the electric screwdriver 5 and the self-tapping screw holes 31 are in the same vertical plane. The ends of the cantilever frame group 4 are rotatably connected to the electric screwdriver 5, and the ends of the electric screwdriver 5 fit the surfaces of the self-tapping screw holes 31.
[0026] Specifically, a bearing seat 21 is fixedly installed on the surface of the frame 1, and a positioning fixture seat 22 is rotatably connected to the end of the bearing seat 21. A column 24 is fixedly installed on the surface of the positioning fixture seat 22, and a limiting ring 25 is fixedly installed on the end of the column 24. A first spring 26 is fixedly installed on the lower surface of the limiting ring 25, and the other end of the first spring 26 is fixedly connected to the surface of the positioning pressure plate 3, and the positioning pressure plate 3 is slidably connected to the surface of the column 24.
[0027] In the embodiment of the utility model, the positioning plate 3 can be adjusted in height and rotated in position on the surface of the positioning fixture seat 22 by cooperating with the limit ring 25 and the first spring 26, and the column 24 plays a fixing role to prevent the positioning fixture seat 22 from shifting.
[0028] Specifically, each placement slot 23 has screw holes 27 on both sides, and the surface of the positioning plate 3 has two screw holes 27 corresponding to the placement slot 23. The screw holes 27 on both sides of the placement slot 23 and the surface screw holes 27 of the positioning plate 3 are internally threadedly connected with butterfly screws 32.
[0029] In the embodiment of the utility model, after the position of the positioning pressure plate 3 is determined by the arrangement of the butterfly screw 32, the positioning pressure plate 3 can be fixed in position by the arrangement of the butterfly screw 32, thereby facilitating the locking inspection of the injection molded part by the self-tapping screw.
[0030] Specifically, a support column 41 is fixedly mounted on the surface of the frame 1 , a first bracket 42 is rotatably connected to the surface of the support column 41 , a second bracket 43 is hinged to the end of the first bracket 42 , and the electric screwdriver 5 is rotatably connected to the end of the second bracket 43 .
[0031] In the embodiment of the utility model, the first bracket 42 is supported by the provision of the support column 41 , and the first bracket 42 is hinged to the second bracket 43 , so that the electric screwdriver 5 can be adjusted in position.
[0032] Specifically, a connecting plate 44 is fixedly mounted on the end of the second bracket 43 , a connecting block 52 is fixedly mounted on the lower surface of the connecting plate 44 , a rotating plate 51 is rotatably connected inside the connecting block 52 , and the electric screwdriver 5 is fixedly mounted inside the rotating plate 51 .
[0033] In the embodiment of the utility model, through the setting of the connecting plate 44 and the rotating plate 51, when it is necessary to detect the side injection molded parts of the positioning fixture seat 22, the electric screwdriver 5 is rotated to be in the same horizontal plane with the positioning fixture seat 22.
[0034] Specifically, an insertion rod 45 is slidably connected inside the connecting plate 44, a fixed block 53 is fixedly installed on the surface of the rotating plate 51, a second insertion hole 54 is opened on the surface of the fixed block 53, the insertion rod 45 is movably inserted in the second insertion hole 54, a sliding groove 46 is opened inside the connecting plate 44, a slider 47 is fixedly installed on the surface of the insertion rod 45, the slider 47 is slidably connected in the sliding groove 46, a second spring 48 is fixedly installed on the lower surface of the slider 47, and the other end of the second spring 48 is fixedly connected in the sliding groove 46.
[0035] In the embodiment of the utility model, it is necessary to rotate the electric screwdriver 5 from vertical to horizontal, pull out the insertion rod 45 from the inside of the second insertion hole 54, cancel the limit on the fixed block 53 on the surface of the rotating plate 51, and rotate the electric screwdriver 5 from horizontal to vertical, then reinsert the insertion rod 45 into the inside of the second insertion hole 54.
[0036] Specifically, a positioning pin seat 6 is fixedly installed on the surface of the frame 1, and the positioning pin seat 6 includes a mounting block 61, and a moving rod 62 is slidably connected inside the mounting block 61. A plurality of first sockets 28 are provided at the bottom of the positioning fixture seat 22, and the moving rod 62 is movably inserted inside the first sockets 28. A connecting rod 63 is fixedly installed on the surface of the moving rod 62, and an L-shaped groove 64 is provided on the surface of the mounting block 61. The connecting rod 63 is slidably connected inside the L-shaped groove 64. A positioning ring 65 is fixedly installed on the surface of the moving rod 62, and a positioning groove 66 is provided inside the mounting block 61. The positioning ring 65 is slidably connected inside the positioning groove 66. A third spring 67 is fixedly installed on the lower surface of the positioning ring 65, and the third spring 67 is fixedly connected inside the positioning groove 66.
[0037] In the embodiment of the utility model, the moving rod 62 inside the positioning pin seat 6 can move up and down. When the position of the positioning fixture seat 22 is determined, the moving rod 62 moves up to the first plug hole 28 at the bottom of the positioning fixture seat 22, so that the positioning fixture seat 22 can be fixed.
[0038] Specifically, a detector 7 is fixedly mounted on the surface of the frame 1 .
[0039] In the embodiment of the utility model, the detector 7 performs a full-process detection on the locking test of the injection molded part by the self-tapping screws.
[0040] When in use, take the injection molded product, first guide the product into the corresponding placement slot 23 of the product profiling positioning fixture seat 22, then pre-install the corresponding metal hand component on the product, push the self-tapping screw guide positioning pressure plate 3 to the top of the product, align the butterfly screw 32 to the screw hole, tighten the butterfly screw 32, and then hold the electric screwdriver 5 for transfer, move the universal cantilever frame group 4 to the benchmark torque tester group, align the magnetic sleeve of the head of the electric screwdriver 5 with the torque test head of the tester, start the electric screwdriver 5, monitor the torque value of the electric screwdriver 5, confirm the correctness of the torque setting of the electric screwdriver 5, and confirm the accuracy. Finally, move the cantilever frame group 4 to above the guide positioning plate 3, adsorb the corresponding self-tapping screw on the magnetic sleeve, observe and align the inside of the self-tapping screw hole 31 to be tested, press down the electric screwdriver 5, and the screw is introduced into the self-tapping screw hole 31 through the guide plate for alignment. Start the electric screwdriver 5 to lock the test piece, and perform simulated assembly tests on the holes that need to be locked and tested in turn according to the number of test holes. If a side locking test is required, tighten the bolts of the fixed part of the electric screwdriver 5 on the cantilever frame group 4, loosen and rotate the angle of the fixed part, and tighten the bolts after adjustment. When using the matching metal counterparts, simulate the product assembly method and lock the holes in turn.
[0041] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A bearing cap high torque lock monitoring and testing mechanism, comprising a frame (1), characterized in that: A positioning rotating group (2) is fixedly mounted on the surface of the frame (1), the positioning rotating group (2) includes a positioning fixture seat (22), a plurality of placement grooves (23) are provided inside the positioning fixture seat (22), a positioning pressing plate (3) is rotatably connected to the surface of the positioning rotating group (2), a plurality of self-tapping screw holes (31) are provided on the surface of the positioning pressing plate (3), the positioning pressing plate (3) is in contact with the surface of the placement grooves (23), a cantilever frame group (4) is fixedly mounted on the surface of the frame (1), an electric screwdriver (5) is rotatably connected to the end of the cantilever frame group (4), and the end of the electric screwdriver (5) is in contact with the surface of the self-tapping screw hole (31).
2. A bearing cap high torque lock monitoring and testing mechanism according to claim 1, characterized in that: A bearing seat (21) is fixedly mounted on the surface of the frame (1); the end of the bearing seat (21) is rotatably connected to a positioning fixture seat (22); a column (24) is fixedly mounted on the surface of the positioning fixture seat (22); a limiting ring (25) is fixedly mounted on the end of the column (24); a first spring (26) is fixedly mounted on the lower surface of the limiting ring (25); the other end of the first spring (26) is fixedly connected to the surface of the positioning pressure plate (3); and the positioning pressure plate (3) is slidably connected to the surface of the column (24).
3. A bearing cap high torque lock monitoring and testing mechanism according to claim 2, characterized in that: Each of the placement grooves (23) is provided with screw holes (27) on both sides, and the surface of the positioning plate (3) is provided with two screw holes (27) corresponding to the placement grooves (23). The screw holes (27) on both sides of the placement grooves (23) and the surface screw holes (27) of the positioning plate (3) are internally threadedly connected with butterfly screws (32).
4. A bearing cap high torque lock monitoring and testing mechanism according to claim 3, characterized in that: A support column (41) is fixedly mounted on the surface of the frame (1); a first bracket (42) is rotatably connected to the surface of the support column (41); a second bracket (43) is hingedly connected to the end of the first bracket (42); and the electric screwdriver (5) is rotatably connected to the end of the second bracket (43).
5. A bearing cap high torque lock monitoring and testing mechanism according to claim 4, characterized in that: A connecting plate (44) is fixedly mounted on the end of the second bracket (43), a connecting block (52) is fixedly mounted on the lower surface of the connecting plate (44), a rotating plate (51) is rotatably connected inside the connecting block (52), and the electric screwdriver (5) is fixedly mounted inside the rotating plate (51).
6. A bearing cap high torque lock monitoring and testing mechanism according to claim 5, characterized in that: The connecting plate (44) is slidably connected with an insertion rod (45) inside, the rotating plate (51) is fixedly mounted with a fixed block (53) on its surface, the fixed block (53) is provided with a second insertion hole (54) on its surface, the insertion rod (45) is movably inserted inside the second insertion hole (54), the connecting plate (44) is provided with a sliding groove (46), the insertion rod (45) is fixedly mounted with a slider (47) on its surface, the slider (47) is slidably connected inside the sliding groove (46), a second spring (48) is fixedly mounted on the lower surface of the slider (47), the other end of the second spring (48) is fixedly connected inside the sliding groove (46).
7. A bearing cap high torque lock monitoring and testing mechanism according to claim 6, characterized in that: A positioning pin seat (6) is fixedly mounted on the surface of the frame (1), the positioning pin seat (6) comprises a mounting block (61), a moving rod (62) is slidably connected inside the mounting block (61), a plurality of first plug holes (28) are provided at the bottom of the positioning fixture seat (22), the moving rod (62) is movably inserted inside the first plug holes (28), a connecting rod (63) is fixedly mounted on the surface of the moving rod (62), an L-shaped groove (64) is provided on the surface of the mounting block (61), the connecting rod (63) is slidably connected inside the L-shaped groove (64), a positioning ring (65) is fixedly mounted on the surface of the moving rod (62), a positioning groove (66) is provided inside the mounting block (61), the positioning ring (65) is slidably connected inside the positioning groove (66), a third spring (67) is fixedly mounted on the lower surface of the positioning ring (65), and the third spring (67) is fixedly connected inside the positioning groove (66).
8. A bearing cap high torque lock monitoring and testing mechanism according to claim 7, characterized in that: A detector (7) is fixedly mounted on the surface of the frame (1).