Tool clamp for paint spraying of elevator balancing weight

Abstract

The utility model relates to the technical field of work fixtures, and discloses a work fixture for paint spraying of an elevator balancing weight, the work fixture comprises a bottom plate and a vertical rod, the upper surface of the bottom plate is provided with a mounting groove, the outer wall of the vertical rod is slidably connected to the inner wall of the mounting groove, the upper surface of the bottom plate is provided with a rectangular groove, and the vertical rod is slidably connected to the inner wall of the rectangular groove. A rotating column is rotatably connected to the interior of the vertical rod, a U-shaped frame is fixedly connected to the outer wall of the rotating column, a bidirectional lead screw is rotatably connected to the inner wall of the U-shaped frame, an internal thread sliding block is in threaded connection to the outer wall of the bidirectional lead screw, and the outer wall of the internal thread sliding block is slidably connected to the inner wall of the U-shaped frame; the outer wall of the internal thread sliding block is fixedly connected with a U-shaped block. According to the elevator balancing weight paint spraying device, the position, where paint cannot be sprayed, of the elevator balancing weight is exposed by adjusting the position of the fixing assembly, paint can be sprayed to the position where paint cannot be sprayed, it can be guaranteed that paint spraying is comprehensive and free of dead corners, the overall appearance quality is improved, meanwhile, manual operation is reduced, and working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of tooling and fixture technology, and in particular to a tooling and fixture for painting elevator counterweights. Background Technology

[0002] Elevator counterweights are typically large and heavy, making it difficult to achieve uniform and comprehensive coating by manual spraying, which is also labor-intensive and inefficient. Fixtures can fix the counterweights in a suitable position and, through rotation and movement, allow the paint gun to more easily spray all surfaces of the counterweights, ensuring paint quality.

[0003] A search revealed a painting fixture for elevator counterweights in publication CN221132793U. The fixture includes a base with multiple insertion holes on its top surface. At least two insertion holes contain a lifting component. The lifting end of the lifting component is fixedly connected to the outer ring of a bearing, and the inner ring of the bearing is detachably connected to grippers for holding the counterweight. This invention uses grippers to hold and fix the counterweight. The bearing allows the counterweight held by the grippers to be rotated, enabling painting on different surfaces of the counterweight and improving the ease of painting. The lifting component allows the grippers to be raised and lowered, making it easier to hold the counterweight. By setting grippers in different positions and numbers of insertion holes, the number and relative positions of the grippers can be adjusted, making the grippers suitable for holding and fixing counterweights of different shapes, further improving the ease of use of the painting fixture.

[0004] However, in actual use, when the gripper picks up the elevator counterweight, the area is obscured by the gripping position, making it difficult to paint that part properly. This affects the integrity and uniformity of the paint on the counterweight. The obscured area cannot be protected by the paint layer, leaving not only flaws in appearance but also reducing its corrosion resistance and shortening the service life of the counterweight. Moreover, to deal with these unpainted parts, extra manpower and time are often required for manual touch-up painting, which is inefficient and makes it difficult to ensure the consistency of the touch-up painting effect with the overall paint layer. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a tooling fixture for painting elevator counterweights. It aims to improve the problems in the existing technology where conventional fixtures make it difficult to paint the elevator counterweight due to the obstruction of the clamping position, which affects the integrity and uniformity of the paint, reduces the corrosion resistance and service life, and requires additional manpower and time for manual touch-up painting, and the touch-up effect is difficult to guarantee.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A fixture for painting elevator counterweights includes a base plate and a vertical pole. The upper surface of the base plate has a mounting groove. The outer wall of the vertical pole is slidably connected to the inner wall of the mounting groove. The upper surface of the base plate has a rectangular groove. A rotating column is rotatably connected inside the vertical pole. A U-shaped frame is fixedly connected to the outer wall of the rotating column. A double-acting screw is rotatably connected to the inner wall of the U-shaped frame. An internally threaded slider is threadedly connected to the outer wall of the double-acting screw. The outer wall of the internally threaded slider is slidably connected to the inner wall of the U-shaped frame. A U-shaped block is fixedly connected to the outer wall of the internally threaded slider. A worm gear is fixedly connected to the outer wall of the double-acting screw. A worm is meshed at the tooth end of the worm gear. A fixing block is rotatably connected to the outer wall of the worm. The outer wall of the fixing block is fixedly connected to the outer wall of the U-shaped frame. A handwheel is fixedly connected to the outer wall of the worm. A fixing component is provided inside the U-shaped block.

[0008] The above technical solution involves rotating a bidirectional lead screw inside an internally threaded slider, causing the slider to move and, in turn, moving a fixed component via a U-shaped block. This allows for adjustment of the fixed component's position. The interaction between the worm gear and the fixed block enables the bidirectional lead screw to rotate with self-locking properties, improving stability during use.

[0009] As a further description of the above technical solution:

[0010] The fixing component includes a threaded rod, the outer wall of which is threadedly connected to the inside of the U-shaped block. A handwheel is fixedly connected to the top end of the threaded rod, and a stop is fixedly connected to the bottom end of the threaded rod.

[0011] The above technical solution involves rotating the handwheel to cause the threaded rod to rotate inside the U-shaped block and move, thereby moving the column downwards to fix the elevator counterweight block.

[0012] As a further description of the above technical solution:

[0013] A self-locking motor is fixedly connected inside the upright. The output end of the self-locking motor is rotatably connected inside the upright and fixedly connected to a small gear. The teeth of the small gear mesh with a large gear. The inner wall of the large gear is fixedly connected to the outer wall of the rotating column.

[0014] The above technical solution enables the elevator counterweight block, which is fixed by the fixed component, to rotate.

[0015] As a further description of the above technical solution:

[0016] The outer wall of the upright has a slot, and the interior of the mounting slot has a sliding groove.

[0017] The above technical solution provides space for the inclined card block to move.

[0018] As a further description of the above technical solution:

[0019] The base plate is internally slidably connected to a sliding column, and the outer wall of the sliding column is fixedly connected to a limit block.

[0020] Through the above technical solution, the limiting block fixedly connected to the outer wall of the sliding column can limit the sliding column and at the same time make the spring maintain a certain elasticity.

[0021] As a further description of the above technical solution:

[0022] An inclined plate block is fixedly connected to the outer wall of the sliding column. The outer wall of the inclined plate block is slidably connected to the inner wall of the sliding groove and to the outer wall of the upright.

[0023] Through the above technical solution: during the process of the upright sliding on the inner wall of the installation groove, the outer wall of the upright will contact the outer wall of the inclined block and cause the inclined block to be forced to move outward and slide on the inner wall of the sliding groove.

[0024] As a further description of the above technical solution:

[0025] The outer wall of the inclined card block is slidably connected to the inner wall of the card slot.

[0026] Through the above technical solution, the outer wall of the inclined block can slide into the inner wall of the slot, thereby limiting the position of the upright.

[0027] As a further description of the above technical solution:

[0028] A spring is slidably connected to the outer wall of the sliding column. One end of the spring is fixedly connected to the inner wall of the sliding groove, and the other end of the spring is fixedly connected to the outer wall of the inclined block.

[0029] The above technical solution can prevent the sliding column from rotating during the process of sliding inside the base plate.

[0030] This utility model has the following beneficial effects:

[0031] 1. In this utility model, by adjusting the position of the fixed component, the areas of the elevator counterweight that cannot be painted are exposed. At this time, the areas that cannot be painted can be painted, which can ensure that the painting is comprehensive and without dead corners, improve the overall appearance quality, reduce manual operation, and improve work efficiency.

[0032] 2. In this utility model, by adjusting the distance between the uprights, elevator counterweights of different lengths can be fixed, improving versatility and applicability, and adapting to diverse production needs.

[0033] 3. In this utility model, the rotation of the elevator counterweight is achieved through the mutual cooperation between the self-locking motor, the fixing component, the large gear and the small gear. This not only ensures that the paint layer is fully and evenly covered, improving the painting quality and protective performance, but also isolates the operator from the operation of the heavy object. The self-locking function ensures safety and reduces the risk of safety accidents. Attached Figure Description

[0034] Figure 1 This is a perspective view of a tooling fixture for spraying paint on an elevator counterweight according to the present invention.

[0035] Figure 2 This is a partial structural diagram of the upright of a tooling fixture for painting elevator counterweights proposed in this utility model.

[0036] Figure 3 This is a partial structural diagram of the large gear of a tooling fixture for painting elevator counterweights proposed in this utility model.

[0037] Figure 4 This is a cross-sectional view of the internal structure of the base plate of a tooling fixture for painting elevator counterweights proposed in this utility model.

[0038] Legend:

[0039] 1. Base plate; 2. Mounting slot; 3. Rectangular slot; 4. Upright pole; 5. Rotating column; 6. U-shaped frame; 7. Two-way lead screw; 8. Internal threaded slider; 9. U-shaped block; 10. Worm gear; 11. Fixing block; 12. Handwheel one; 13. Worm; 14. Fixing assembly; 1401. Handwheel two; 1402. Threaded rod; 1403. Abutment; 15. Spring; 16. Inclined locking block; 17. Self-locking motor; 18. Small gear; 19. Large gear; 20. Sliding groove; 21. Sliding column; 22. Slot; 23. Limiting block. Detailed Implementation

[0040] 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.

[0041] Reference Figure 1 , Figure 2 and Figure 3This utility model provides an embodiment of a tooling fixture for painting elevator counterweights, comprising a base plate 1 and a vertical rod 4. The upper surface of the base plate 1 has an installation groove 2. The outer wall of the vertical rod 4 is slidably connected to the inner wall of the installation groove 2. The upper surface of the base plate 1 has a rectangular groove 3. A rotating column 5 is rotatably connected inside the vertical rod 4. A U-shaped frame 6 is fixedly connected to the outer wall of the rotating column 5. A bidirectional lead screw 7 is rotatably connected to the inner wall of the U-shaped frame 6. An internally threaded slider 8 is threadedly connected to the outer wall of the bidirectional lead screw 7. The outer wall of the internally threaded slider 8 is slidably connected to the inner wall of the U-shaped frame 6. A U-shaped block 9 is fixedly connected to the outer wall of the internally threaded slider 8. A worm gear 10 is fixedly connected to the outer wall of the bidirectional lead screw 7. A worm 13 is meshed with the tooth end of the worm gear 10. A fixing block 11 is rotatably connected to the outer wall of the worm 13. The outer wall of the fixing block 11 is fixedly connected to the outer wall of the U-shaped frame 6. A handwheel 12 is fixedly connected to the outer wall of the worm 13. A fixing component 14 is provided inside the U-shaped block 9.

[0042] Specifically, the upright 4 supports the rotating column 5, the U-shaped frame 6 fixes the fixing block 11, the fixing block 11 limits the movement of the worm gear 13, and the worm wheel 10 rotates the worm gear 13. The worm wheel 10 improves the ease of rotating the bidirectional lead screw 7. Through the cooperation between the worm wheel 10 and the fixing block 11, the rotation of the bidirectional lead screw 7 has a self-locking property, that is, the worm wheel 10 can only be rotated by the rotation of the worm gear 13, and thus the bidirectional lead screw 7 can only be rotated by the rotation of the worm gear 13, and the worm gear 13 cannot be rotated by the worm wheel 10, which improves the stability during use.

[0043] Reference Figure 1 , Figure 2 and Figure 3 The fixing component 14 includes a threaded rod 1402, the outer wall of which is threadedly connected to the inside of the U-shaped block 9. A handwheel 1401 is fixedly connected to the top end of the threaded rod 1402, and a stop post 1403 is fixedly connected to the bottom end of the threaded rod 1402.

[0044] Specifically, the elevator counterweight is placed inside the U-shaped block 9. Then, the handwheel 1401 is rotated to cause the threaded rod 1402 to rotate inside the U-shaped block 9 and move, thereby driving the abutment 1403 to move downward and fix the elevator counterweight.

[0045] Reference Figure 1 , Figure 2 and Figure 3 A self-locking motor 17 is fixedly connected inside the upright 4. The output end of the self-locking motor 17 is rotatably connected inside the upright 4 and fixedly connected to a small gear 18. The tooth end of the small gear 18 is meshed with a large gear 19. The inner wall of the large gear 19 is fixedly connected to the outer wall of the rotating column 5.

[0046] Specifically, the upright 4 can fix the self-locking motor 17, and the self-locking motor 17 can rotate the small gear 18, which in turn can rotate the large gear 19. The self-locking motor 17 drives the U-shaped frame 6 to rotate through the rotating column 5, thereby causing the elevator counterweight block fixed by the fixing component 14 to rotate.

[0047] Reference Figure 1 , Figure 2 and Figure 4 The outer wall of the upright 4 is provided with a slot 22, and the interior of the mounting slot 2 is provided with a sliding groove 20; the interior of the base plate 1 is slidably connected to a sliding column 21, and the outer wall of the sliding column 21 is fixedly connected to a limit block 23; the outer wall of the sliding column 21 is fixedly connected to a sloped block 16, the outer wall of the sloped block 16 is slidably connected to the inner wall of the sliding groove 20, and the outer wall of the sloped block 16 is slidably connected to the outer wall of the upright 4; the outer wall of the sloped block 16 is slidably connected to the inner wall of the slot 22; the outer wall of the sliding column 21 is slidably connected to a spring 15, one end of the spring 15 is fixedly connected to the inner wall of the sliding groove 20, and the other end of the spring 15 is fixedly connected to the outer wall of the sloped block 16.

[0048] Specifically, the sliding groove 20 inside the base plate 1 provides space for the inclined block 16 to move. The limiting block 23 fixedly connected to the outer wall of the sliding column 21 can limit the sliding column 21 and also make the spring 15 maintain a certain elasticity, so that the spring 15 has enough thrust to push the inclined block 16 into the inner wall of the groove 22 and thus limit the upright 4. One end of the spring 15 is fixedly connected to the outer wall of the inclined block 16, and the other end is fixedly connected to the inner wall of the sliding groove 20 to prevent the sliding column 21 from rotating during the sliding inside the base plate 1.

[0049] Working principle: During use, the elevator counterweight is fixed by the fixing component 14. After painting the counterweight, the areas where the fixing component 14 is fixed are usually not painted. When painting is needed on these areas, the fixing component 14 is released from its tight contact with the counterweight. Then, the handwheel 12 is rotated. The rotation of the handwheel 12 causes the worm gear 13 to rotate inside the fixing block 11, which in turn drives the worm wheel 10 to rotate. The rotation of the worm wheel 10 drives the double-acting screw 7 to rotate inside the U-shaped frame 6, which in turn drives the double-acting screw 7 to rotate inside the internal thread slider 8. During the rotation of the double-acting screw 7 inside the internal thread slider 8, the internal thread slider 8 moves, which in turn drives the fixing component 14 to move via the U-shaped block 9. This adjusts the position of the fixing component 14, exposing the areas of the elevator counterweight that cannot be painted. Painting can then be applied to these areas, ensuring a complete and thorough painting process, improving the overall appearance quality, reducing manual labor, and increasing work efficiency.

[0050] When dealing with elevator counterweights of different lengths, simply align the upright 4 with the mounting slot 2 that matches the length of the elevator counterweight, and then slide the upright 4 into the inner wall of the mounting slot 2. As the upright 4 slides along the inner wall of the mounting slot 2, the outer wall of the upright 4 will contact the outer wall of the inclined block 16, causing the inclined block 16 to move outward and slide along the inner wall of the sliding groove 20. At the same time, it causes the sliding column 21 to move outward and slide inside the base plate 1, causing the spring 15 to contract under force. When the upright 4 slides to the limit of the inner wall of the mounting slot 2, the inclined block 16 will slide into the inner wall of the slot 22 opened on the outer wall of the upright 4, thus removing the force on the inclined block 16. This causes the spring 15, which is in a contracted state, to rebound and push the inclined block 16 completely into the inner wall of the slot 22, completing the adjustment of the distance between the uprights 4. This allows for the fixing of elevator counterweights of different lengths, improving versatility and applicability, and adapting to diverse production needs.

[0051] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A tooling fixture for painting elevator counterweights, comprising a base plate (1) and a vertical pole (4), characterized in that: The upper surface of the base plate (1) is provided with an installation groove (2). The outer wall of the upright (4) is slidably connected to the inner wall of the installation groove (2). The upper surface of the base plate (1) is provided with a rectangular groove (3). The interior of the upright (4) is rotatably connected to a rotating column (5). The outer wall of the rotating column (5) is fixedly connected to a U-shaped frame (6). The inner wall of the U-shaped frame (6) is rotatably connected to a two-way screw rod (7). The outer wall of the two-way screw rod (7) is threadedly connected to an internal thread slider (8). The outer wall of the internal thread slider (8) is slidably connected to... The inner wall of the U-shaped frame (6) is fixedly connected to the outer wall of the internal threaded slider (8), and a U-shaped block (9) is fixedly connected to the outer wall of the double-acting screw (7). A worm wheel (10) is fixedly connected to the outer wall of the worm wheel (10), and a worm (13) is meshed with the tooth end of the worm wheel (10). A fixing block (11) is rotatably connected to the outer wall of the worm (13), and the outer wall of the fixing block (11) is fixedly connected to the outer wall of the U-shaped frame (6). A handwheel (12) is fixedly connected to the outer wall of the worm (13), and a fixing component (14) is provided inside the U-shaped block (9).

2. The tooling fixture for painting elevator counterweights according to claim 1, characterized in that: The fixing component (14) includes a threaded rod (1402), the outer wall of which is threadedly connected to the inside of the U-shaped block (9). A handwheel (1401) is fixedly connected to the top of the threaded rod (1402), and a stop (1403) is fixedly connected to the bottom of the threaded rod (1402).

3. The tooling fixture for painting elevator counterweights according to claim 1, characterized in that: A self-locking motor (17) is fixedly connected inside the upright (4). The output end of the self-locking motor (17) is rotatably connected inside the upright (4) and fixedly connected to a small gear (18). The tooth end of the small gear (18) is meshed with a large gear (19). The inner wall of the large gear (19) is fixedly connected to the outer wall of the rotating column (5).

4. The tooling fixture for painting elevator counterweights according to claim 1, characterized in that: The outer wall of the upright (4) is provided with a slot (22), and the interior of the mounting groove (2) is provided with a sliding groove (20).

5. The tooling fixture for painting elevator counterweights according to claim 1, characterized in that: The base plate (1) is internally slidably connected to a sliding column (21), and the outer wall of the sliding column (21) is fixedly connected to a limit block (23).

6. A tooling fixture for painting elevator counterweights according to claim 5, characterized in that: The outer wall of the sliding column (21) is fixedly connected to an inclined plate (16), the outer wall of the inclined plate (16) is slidably connected to the inner wall of the sliding groove (20), and the outer wall of the inclined plate (16) is slidably connected to the outer wall of the upright (4).

7. A tooling fixture for painting elevator counterweights according to claim 6, characterized in that: The outer wall of the inclined block (16) is slidably connected to the inner wall of the slot (22).

8. A tooling fixture for painting elevator counterweights according to claim 5, characterized in that: A spring (15) is slidably connected to the outer wall of the sliding column (21). One end of the spring (15) is fixedly connected to the inner wall of the sliding groove (20), and the other end of the spring (15) is fixedly connected to the outer wall of the inclined block (16).

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