Novel workpiece mounting device

Abstract

The utility model discloses a novel workpiece installation device which comprises a base, a plurality of universal wheels are installed at the bottom of the base, a handle is fixed to one side of the top of the base, a lifting assembly is arranged on the base, a rotating assembly is arranged on the lifting assembly, the rotating assembly is connected with a supporting plate, and a sliding groove is formed in the top of the supporting plate. A pair of sliding blocks is slidably connected into the sliding groove, the top ends of the sliding blocks are connected with clamping plates through rotating shafts, a two-way screw is rotationally connected into the sliding groove, a first motor is fixed to the side of the supporting plate, and an output shaft of the first motor is connected with the end of the two-way screw. According to the special-shaped workpiece clamping device, the special-shaped workpiece is placed between the two clamping plates on the supporting plate, then the first motor is started, the output shaft of the first motor drives the two-way screw to rotate, the two sliding blocks move close to each other, the sliding blocks synchronously drive the clamping plates to move till the clamping plates are attached to the edge of the special-shaped workpiece, and then the special-shaped workpiece can be stably clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of assembly equipment, in particular to a new workpiece mounting device. Background Art

[0002] At present, when installing workpieces for assembly on the undercarriage equipment of subways and other rail vehicles, it is necessary to use tools to lift the workpieces and then install them. The commonly used workpiece lifting device is generally a hydraulic lift equipment.

[0003] In order to solve the problem of "existing equipment is time-consuming and labor-intensive to operate", a Chinese patent with publication number CN219885567U discloses a workpiece installation device, including a cart, a lifting device is arranged on the top of the cart, a first platform is installed on the top of the lifting device, a second platform is rotatably installed above the first platform, a first installation groove is arranged at the center of the top of the first platform, a first drive motor is installed in the first installation groove, the output shaft of the first drive motor is connected to the bottom of the second platform through a rotating shaft, a clamping mechanism for clamping the workpiece is arranged above the second platform, and an annular support assembly is arranged around the outside of the first drive motor between the first platform and the second platform. Although the existing technical problems have been solved, the following problems still exist:

[0004] In this technical solution, only workpieces with very regular shapes can be fixed by two parallel clamps, while many workpieces are actually irregular in shape, which makes it difficult to stably clamp and fix them. Therefore, corresponding improvements are made to address this problem. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a new workpiece mounting device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A new workpiece mounting device includes a base, a plurality of universal wheels are installed at the bottom of the base, a handle is fixed on one side of the top of the base, a lifting assembly is arranged on the base, a rotating assembly is arranged on the lifting assembly, the rotating assembly is connected to a support plate, a slide groove is opened on the top of the support plate, a pair of sliders are slidably connected in the slide groove, a clamping plate is connected to the top of the slider through a rotating shaft, a bidirectional screw is rotatably connected in the slide groove, a first motor is fixed on the side of the support plate, and the output shaft of the first motor is connected to the end of the bidirectional screw.

[0008] Preferably, a pair of ear blocks are fixed on both sides of the top of the support plate, and the ear blocks are connected to the clamping plate through springs.

[0009] Preferably, a connecting rod is rotatably connected to the inner side of the splint, and adjacent ends of the two connecting rods are rotatably connected.

[0010] Preferably, the rotating assembly includes an intermediate plate located below the support plate, the support plate is rotatably connected to the intermediate plate through a column, a second motor is fixed to the intermediate plate, a gear is connected to the output shaft of the second motor, and a gear ring is fixedly sleeved on the column and meshed with the gear.

[0011] Preferably, a plurality of support columns distributed in a circular array are fixed to the bottom of the support plate, a limiting ring is fixed to the top of the middle plate, and the bottom ends of the support columns are located in the limiting ring.

[0012] Preferably, the lifting assembly includes two pairs of left arms and right arms that rotate together, the bottom end of the left arm is rotatably connected to the base, the top end of the right arm is rotatably connected to the middle plate, a pair of first guide grooves are opened at the top of the base, a first guide block is slidably connected in the first guide groove, the bottom end of the right arm is rotatably connected to the first guide block, a pair of second guide grooves are opened at the bottom of the middle plate, a second guide block is slidably connected in the second guide groove, the top end of the left arm is rotatably connected to the second guide block, the top of the base is rotatably connected to an electric push rod, and the output shaft of the electric push rod is rotatably connected to the middle plate.

[0013] The beneficial effects of the utility model are:

[0014] 1. The device is provided with a rotatable clamping plate. The special-shaped workpiece is placed between the two clamping plates on the support plate, and then the first motor is started. The output shaft of the first motor drives the bidirectional screw to rotate, so that the two sliders move closer to each other. The sliders simultaneously drive the clamping plates to move until the clamping plates fit the edges of the special-shaped workpieces. The special-shaped workpiece can be stably clamped, and then the workpiece is lifted to the installation height by the lifting component, and then the support plate is driven to rotate by the rotating component to adjust the angle of the workpiece so that the workpiece can be aligned and installed.

[0015] 2. The device is provided with a spring. When the splint is attached to the edge of the special-shaped workpiece, the splint is in an inclined state and the spring undergoes elastic deformation, thereby limiting the maximum rotation angle of the splint to prevent it from rotating excessively. After the clamp is released, the splint can be reset to its initial position and remain in a vertical state.

[0016] 3. The device is provided with connecting rods, and the two connecting rods can block the workpiece at the end with a larger opening formed by the two clamping plates, thereby preventing the workpiece surface from being too smooth and moving out of the clamping range of the clamping plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a new workpiece mounting device proposed by the utility model;

[0018] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of a proposed new workpiece mounting device at point A;

[0019] Figure 3 This is a schematic diagram of the structure of a rotating assembly of a new workpiece mounting device proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the structure above the base of a new workpiece mounting device proposed by the utility model;

[0021] Figure 5 This is a schematic diagram of the bottom structure of an intermediate plate of a novel workpiece mounting device proposed by the utility model.

[0022] In the figure: 1. base; 2. universal wheel; 3. handle; 4. support plate; 5. slide groove; 6. slider; 7. rotating shaft; 8. clamping plate; 9. bidirectional screw; 10. first motor; 11. ear block; 12. spring; 13. connecting rod; 14. middle plate; 15. column; 16. gear ring; 17. second motor; 18. gear; 19. limit ring; 20. support column; 21. left arm; 22. first guide groove; 23. first guide block; 24. right arm; 25. second guide groove; 26. second guide block; 27. electric push rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-5 The invention relates to a novel workpiece mounting device, comprising a base 1, a plurality of universal wheels 2 are mounted at the bottom of the base 1, a handle 3 is fixed on one side of the top of the base 1, a lifting assembly is arranged on the base 1, a rotating assembly is arranged on the lifting assembly, a support plate 4 is connected with a slide groove 5 at the top of the support plate 4, a pair of sliders 6 are slidably connected in the slide groove 5, a clamping plate 8 is connected to the top of the slider 6 through a rotating shaft 7, a bidirectional screw 9 is rotatably connected in the slide groove 5, a first motor 10 is fixed on the side of the support plate 4, an output shaft of the first motor 10 is connected to the end of the bidirectional screw 9, the special-shaped workpiece is placed between the two clamping plates 8 on the support plate 4, and then the first motor 10 is started, and the output shaft of the first motor 10 drives the bidirectional screw 9 to rotate, so that the two sliders 6 move closer to each other, and the slider 6 drives the clamping plate 8 to move synchronously until the clamping plate 8 fits the edge of the special-shaped workpiece, so that the special-shaped workpiece can be stably clamped, and then the workpiece is lifted to the installation height by the lifting assembly, and then the support plate 4 is driven to rotate by the rotating assembly to adjust the angle of the workpiece so that the workpiece can be aligned and installed.

[0025] Furthermore, a pair of ear blocks 11 are fixed on both sides of the top of the support plate 4, and the ear blocks 11 are connected to the clamping plate 8 through springs 12. When the clamping plate 8 is attached to the edge of the special-shaped workpiece, the clamping plate 8 is in an inclined state, and the spring 12 undergoes elastic deformation, thereby limiting the maximum rotation angle of the clamping plate 8 to prevent it from rotating excessively, and after releasing the clamp, the clamping plate 8 can be restored to its initial position and maintain a vertical state.

[0026] Furthermore, a connecting rod 13 is rotatably connected to the inner side of the clamping plate 8, and the adjacent ends of the two connecting rods 13 are rotatably connected. The two connecting rods 13 can block the workpiece at the end with a larger opening formed by the two clamping plates 8, thereby preventing the workpiece surface from being too smooth and moving out of the clamping range of the clamping plate 8.

[0027] Furthermore, the rotating assembly includes an intermediate plate 14 located below the support plate 4, and the support plate 4 is rotatably connected to the intermediate plate 14 through a column 15. A second motor 17 is fixed on the intermediate plate 14, and a gear 18 is connected to an output shaft of the second motor 17. A gear ring 16 meshing with the gear 18 is fixedly sleeved on the column 15. When the second motor 17 is started, the output shaft of the second motor 17 drives the gear 18 to rotate, and the gear 18 meshes to drive the gear ring 16 to rotate, and the gear ring 16 synchronously drives the column 15 and the support plate 4 to rotate.

[0028] Furthermore, a plurality of support columns 20 distributed in a circular array are fixed to the bottom of the support plate 4, a limiting ring 19 is fixed to the top of the middle plate 14, and the bottom ends of the support columns 20 are located in the limiting ring 19. When the support plate 4 rotates, the plurality of support columns 20 are synchronously driven to rotate in the limiting ring 19, thereby supporting the support plate 4 through the support columns 20, thereby improving its stability.

[0029] Furthermore, the lifting assembly includes two pairs of left arms 21 and right arms 24 that rotate together, the bottom end of the left arm 21 is rotatably connected to the base 1, and the top end of the right arm 24 is rotatably connected to the middle plate 14. A pair of first guide grooves 22 are provided at the top of the base 1, and a first guide block 23 is slidably connected in the first guide grooves 22. The bottom end of the right arm 24 is rotatably connected to the first guide block 23, and a pair of second guide grooves 25 are provided at the bottom of the middle plate 14, and a second guide block 26 is slidably connected in the second guide grooves 25. The top end of the left arm 21 is rotatably connected to the second guide block 26. An electric push rod 27 is rotatably connected to the top of the base 1, and the output shaft of the electric push rod 27 is rotatably connected to the middle plate 14. When the electric push rod 27 is started, the output shaft of the electric push rod 27 is extended to push the middle plate 14 and the support plate 4 upward. The two pairs of left arms 21 and right arms 24 perform scissor-like movements respectively, so that the workpiece can be lifted upward.

[0030] Working principle: Place the special-shaped workpiece between the two clamping plates 8 on the support plate 4, and then start the first motor 10. The output shaft of the first motor 10 drives the bidirectional screw 9 to rotate, so that the two sliders 6 move closer to each other, and the sliders 6 synchronously drive the clamping plates 8 to move until the clamping plates 8 fit to the edge of the special-shaped workpiece, so that the special-shaped workpiece can be stably clamped, and then start the electric push rod 27. The output shaft of the electric push rod 27 extends, pushing the middle plate 14 and the support plate 4 to move upward, and the two pairs of left arms 21 and right arms 24 perform scissor-like movements respectively, so that the workpiece can be lifted up to the installation height, and then start the second motor 17. The output shaft of the second motor 17 drives the gear 18 to rotate, and the gear 18 engages to drive the ring gear 16 to rotate, and the ring gear 16 synchronously drives the column 15 and the support plate 4 to rotate to adjust the angle of the workpiece so that the workpiece can be aligned and installed.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

Claims

1. A novel workpiece mounting device, comprising a base (1), characterized in that: A plurality of universal wheels (2) are installed at the bottom of the base (1); a handle (3) is fixed to one side of the top of the base (1); a lifting assembly is arranged on the base (1); a rotating assembly is arranged on the lifting assembly; the rotating assembly is connected to a support plate (4); a slide groove (5) is provided on the top of the support plate (4); a pair of sliders (6) are slidably connected in the slide groove (5); a clamping plate (8) is connected to the top of the slider (6) via a rotating shaft (7); a bidirectional screw (9) is rotatably connected in the slide groove (5); a first motor (10) is fixed to the side of the support plate (4); an output shaft of the first motor (10) is connected to the end of the bidirectional screw (9).

2. A novel workpiece mounting device according to claim 1, characterized in that: A pair of ear blocks (11) are fixed on both sides of the top of the support plate (4), and the ear blocks (11) are connected to the clamping plate (8) via springs (12).

3. A novel workpiece mounting device according to claim 1, characterized in that: A connecting rod (13) is rotatably connected to the inner side of the clamping plate (8), and adjacent ends of the two connecting rods (13) are rotatably connected.

4. A novel workpiece mounting device according to claim 1, characterized in that: The rotating assembly comprises an intermediate plate (14) located below the support plate (4); the support plate (4) is rotatably connected to the intermediate plate (14) via a column (15); a second motor (17) is fixed to the intermediate plate (14); an output shaft of the second motor (17) is connected to a gear (18); and a gear ring (16) is fixedly sleeved on the column (15) and meshes with the gear (18).

5. A novel workpiece mounting device according to claim 4, characterized in that: A plurality of support columns (20) distributed in a ring array are fixed to the bottom of the support plate (4), a limiting ring (19) is fixed to the top of the middle plate (14), and the bottom ends of the support columns (20) are located inside the limiting ring (19).

6. A novel workpiece mounting device according to claim 4, characterized in that: The lifting assembly comprises two pairs of left arms (21) and right arms (24) that are rotatable together. The bottom end of the left arm (21) is rotatably connected to the base (1), and the top end of the right arm (24) is rotatably connected to the middle plate (14). A pair of first guide grooves (22) are provided at the top of the base (1), and a first guide block (23) is slidably connected in the first guide grooves (22). The bottom end of the right arm (24) is rotatably connected to the first guide block (23). A pair of second guide grooves (25) are provided at the bottom of the middle plate (14), and a second guide block (26) is slidably connected in the second guide grooves (25). The top end of the left arm (21) is rotatably connected to the second guide block (26). The top end of the base (1) is rotatably connected to an electric push rod (27), and the output shaft of the electric push rod (27) is rotatably connected to the middle plate (14).

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