Assembly tool for cam shaft

Abstract

The utility model relates to the technical field of cam shaft tools, in particular to an assembly tool for a cam shaft, which comprises supporting columns, a working table and a cross rod, the working table is arranged at the top ends of the supporting columns, the cross rod is welded and connected between the two supporting columns, a clamping mechanism extending to the outer side is arranged inside the working table, and the clamping mechanism is arranged on the working table. A two-way screw connected through a bearing is arranged in the workbench, and one side of the two-way screw extends to the outer side of the workbench and is connected with a first rotating wheel in a welded mode. The camshaft assembling device has the beneficial effects that a first rotating wheel is rotated to drive a threaded block to move, the threaded block drives a connecting block and a vertical plate to move, and a second rotating wheel can be rotated to drive a gear to rotate, so that the gear can drive a rack to move when rotating, and meanwhile, the rack can drive a clamping plate to move when moving; camshafts of different sizes can be clamped through the assembling tool, and therefore the camshaft can be assembled more conveniently and rapidly.

Description

Technical Field

[0001] The utility model relates to the technical field of camshaft tooling, in particular to an assembly tooling for a camshaft. Background Art

[0002] The camshaft is a component in a piston engine. Its function is to control the opening and closing of the valves. Although the speed of the camshaft in a four-stroke engine is half that of the crankshaft, its speed is usually still very high and it needs to withstand a large torque. Therefore, the design has very high requirements on the strength and support of the camshaft, and its material is generally high-quality alloy steel or alloy steel.

[0003] In the prior art, the camshaft needs to be fixed and the components need to be assembled onto the camshaft so that the camshaft can be assembled by an assembly tool.

[0004] However, the existing camshaft needs to be manually supported and installed during installation, which reduces the accuracy of the camshaft during installation and easily causes the camshaft to be misaligned during installation, thus affecting the quality of the finished product, making it inconvenient to install the camshaft. Utility Model Content

[0005] The purpose of the utility model is to provide an assembly tool for a camshaft to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an assembly tool for a camshaft, comprising a support column, a workbench and a crossbar, wherein the top of the support column is provided with a workbench, and a crossbar is welded between two of the support columns.

[0007] Preferably, the workbench is provided with a clamping mechanism extending to the outside, and the clamping mechanism includes a bidirectional screw, a first rotating wheel, a threaded block, a connecting block, a vertical plate, a gear, a second rotating wheel, a rack and a clamping plate, and the workbench is provided with a bidirectional screw connected by a bearing, one end of the bidirectional screw extending to the outside of the workbench is welded to the first rotating wheel, the surface of the bidirectional screw is threadedly connected with symmetrically distributed threaded blocks, one end of the threaded block is welded to a connecting block extending to the outside of the workbench, and one end of the connecting block is welded to the vertical plate.

[0008] Preferably, a gear is connected to the inside of the vertical plate through a support shaft, and the gear extends through the support shaft to the outside of the vertical plate and is welded to a second rotating wheel at one end, both sides of the gear are meshed with racks, and one end of the rack is welded to a clamping plate.

[0009] Preferably, a guide block is welded to one end of the threaded block away from the connecting block, a guide groove is provided inside the workbench at one end close to the guide block, and the threaded block and the workbench form a sliding structure through the guide block and the guide groove.

[0010] Preferably, a moving mechanism extending to the outside is provided inside the cross bar, and the moving mechanism includes a cavity, an electric push rod, a moving seat, a moving rod and a universal wheel. A symmetrically distributed cavity is opened inside the cross bar, and an electric push rod is installed inside the cavity. A moving seat is provided at the bottom end of the cross bar. The moving rod is rotatably connected to the electric push rod and the moving seat through a hinge seat, and a universal wheel is welded to the bottom end of the moving seat.

[0011] Preferably, an L-shaped rod is welded to the bottom end of the cross bar near the movable seat, a reserved groove is provided inside the movable seat near the L-shaped rod, and the movable seat and the cross bar form a sliding structure through the L-shaped rod and the reserved groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The assembly tool for the camshaft proposed by the utility model rotates the first wheel so that the first wheel can drive the bidirectional screw to rotate when it rotates, so that the bidirectional screw can drive the threaded block to move when it rotates, so that the threaded block can drive the guide block to move inside the guide groove when it moves, so that the threaded block can be more stable when moving, and the threaded block can drive the connecting block to move when it moves, and at the same time, the connecting block can drive the vertical plate to move when it moves, and the second wheel can be rotated so that the second wheel can drive the gear to rotate when it rotates, so that the gear can drive the rack to move when it rotates, and at the same time, the rack can drive the clamping plate to move when it moves, so that when the camshaft is assembled, camshafts of different sizes can be clamped by the assembly tool, thereby making it more convenient to assemble the camshaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a front view cutaway diagram of the utility model;

[0016] Figure 3 It is an enlarged top view of the clamping mechanism of the utility model.

[0017] In the figure: 1. support column; 2. workbench; 3. cross bar; 4. clamping mechanism; 401. bidirectional screw; 402. first rotating wheel; 403. threaded block; 404. connecting block; 405. vertical plate; 406. gear; 407. second rotating wheel; 408. rack; 409. clamping plate; 5. guide block; 6. guide groove; 7. moving mechanism; 701. cavity; 702. electric push rod; 703. moving seat; 704. moving rod; 705. universal wheel; 8. L-shaped rod; 9. reserved groove. DETAILED DESCRIPTION

[0018] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment 1

[0020] See also Figures 1 to 3 The utility model provides a technical solution: an assembly tool for a camshaft, comprising a support column 1, a workbench 2 and a cross bar 3, the top of the support column 1 is provided with the workbench 2, the cross bar 3 is welded and connected between the two support columns 1, a clamping mechanism 4 extending to the outside is provided inside the workbench 2, the clamping mechanism 4 comprises a bidirectional screw 401, a first rotating wheel 402, a threaded block 403, a connecting block 404, a vertical plate 405, a gear 406, a second rotating wheel 407, a rack 408 and a clamping plate 409, a bidirectional screw 401 connected by a bearing is provided inside the workbench 2, one end of the bidirectional screw 401 extending to the outside of the workbench 2 is welded and connected with the first rotating wheel 402, and the surface of the bidirectional screw 401 is threadedly connected with a pair of A threaded block 403 is distributed, one end of the threaded block 403 is welded to a connecting block 404 extending to the outside of the workbench 2, one end of the connecting block 404 is welded to a vertical plate 405, the interior of the vertical plate 405 is connected with a gear 406 through a support shaft, the gear 406 is provided with a second rotating wheel 407 welded to one end extending to the outside of the vertical plate 405 through a support shaft, both sides of the gear 406 are meshed with a rack 408, one end of the rack 408 is welded to a clamping plate 409, the end of the threaded block 403 away from the connecting block 404 is welded to a guide block 5, a guide groove 6 is provided at one end of the workbench 2 close to the guide block 5, and the threaded block 403 and the workbench 2 form a sliding structure through the guide block 5 and the guide groove 6.

[0021] Embodiment 2

[0022] On the basis of the first embodiment, in order to realize that the assembly tool of the camshaft can be clamped when in use, the first rotating wheel 402 is rotated so that the first rotating wheel 402 can drive the bidirectional screw 401 to rotate when rotating, so that the bidirectional screw 401 can drive the threaded block 403 to move when rotating, so that the threaded block 403 can drive the guide block 5 to move inside the guide groove 6 when moving, so that the threaded block 403 can be more stable when moving, and the threaded block 403 can drive the connecting block 404 to move when moving, and at the same time, the connecting block 404 can drive the vertical plate 405 when moving. The second rotating wheel 407 can be moved and rotated, so that the second rotating wheel 407 can drive the gear 406 to rotate when it rotates, so that the gear 406 can drive the rack 408 to move when it rotates, and the rack 408 can drive the clamping plate 409 to move when it moves, and the clamping plate 409 can drive the stabilizing block connected to one side to move when it moves, so that the clamping plate 409 can be more stable when it moves, so that when the camshaft is assembled, camshafts of different sizes can be clamped by the assembly tooling, so that the camshaft can be assembled more conveniently.

[0023] A moving mechanism 7 extending to the outside is arranged inside the cross bar 3, and the moving mechanism 7 includes a cavity 701, an electric push rod 702, a moving seat 703, a moving rod 704 and a universal wheel 705. A symmetrically distributed cavity 701 is opened inside the cross bar 3, and an electric push rod 702 is installed inside the cavity 701. A moving seat 703 is arranged at the bottom end of the cross bar 3. The moving rod 704 is rotatably connected to the moving seat 703 through a hinge seat. The bottom end of the moving seat 703 is welded to a universal wheel 705. An L-shaped rod 8 is welded to the bottom end of the cross bar 3 near the moving seat 703. A reserved groove 9 is opened on the side of the moving seat 703 near the L-shaped rod 8. The moving seat 703 and the cross bar 3 form a sliding structure through the L-shaped rod 8 and the reserved groove 9.

[0024] Embodiment 3

[0025] On the basis of Example 2, in order to enable the camshaft assembly tool to be moved during use, the electric push rod 702 is started so that the electric push rod 702 can drive the moving rod 704 to move, so that the moving rod 704 can drive the moving seat 703 to move when it moves, and at the same time, the moving seat 703 can move on the surface of the L-shaped rod 8 when it moves, so that the moving seat 703 can be more stable when it moves, and the moving seat 703 can drive the universal wheel 705 to move when it moves, so that the universal wheel 705 can fit the ground when it moves, so that the universal wheel 705 can support the support column 1, and then the assembly tool can be moved, so that the assembly tool can be more convenient when it needs to be used in different positions.

[0026] In actual use, when installing the camshaft, the assembly tool of the camshaft drives the bidirectional screw 401 to rotate by rotating the first wheel 402, so that the bidirectional screw 401 can drive the threaded block 403 to move when it rotates, and the threaded block 403 can drive the connecting block 404 and the vertical plate 405 to move when it moves, and the second wheel 407 can be rotated, so that the second wheel 407 can drive the gear 406 to rotate when it rotates, so that the gear 406 can drive the rack 408 to move when it rotates, and at the same time, the rack 408 can drive the clamping plate 409 to move when it moves, so that when the camshaft is assembled, camshafts of different sizes can be clamped by the assembly tool, which makes it more convenient to assemble the camshaft.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembly tool for a camshaft, comprising a support column (1), a workbench (2) and a crossbar (3), characterized in that: A workbench (2) is arranged at the top of the support column (1), a crossbar (3) is welded between the two support columns (1), a clamping mechanism (4) extending to the outside is arranged inside the workbench (2), and the clamping mechanism (4) comprises a bidirectional screw (401), a first rotating wheel (402), a threaded block (403), a connecting block (404), a vertical plate (405), a gear (406), a second rotating wheel (407), a rack (408) and a clamping plate (409), the A bidirectional screw (401) connected via a bearing is arranged inside the workbench (2); one end of the bidirectional screw (401) extending to the outside of the workbench (2) is welded to a first rotating wheel (402); the surface of the bidirectional screw (401) is threadedly connected to symmetrically distributed thread blocks (403); one end of the thread block (403) is welded to a connecting block (404) extending to the outside of the workbench (2); and one end of the connecting block (404) is welded to a vertical plate (405).

2. The assembly tool for a camshaft according to claim 1, characterized in that: The interior of the vertical plate (405) is connected to a gear (406) via a support shaft, one end of the gear (406) extending to the outside of the vertical plate (405) via the support shaft is welded to a second rotating wheel (407), both sides of the gear (406) are meshedly connected to racks (408), and one end of the rack (408) is welded to a clamping plate (409).

3. The assembly tool for a camshaft according to claim 2, characterized in that: The end of the threaded block (403) away from the connecting block (404) is welded to a guide block (5), and the end of the workbench (2) close to the guide block (5) is provided with a guide groove (6), and the threaded block (403) and the workbench (2) form a sliding structure through the guide block (5) and the guide groove (6).

4. The assembly tool for a camshaft according to claim 1, characterized in that: The cross bar (3) is provided with a moving mechanism (7) extending to the outside, and the moving mechanism (7) comprises a cavity (701), an electric push rod (702), a moving seat (703), a moving rod (704) and a universal wheel (705). The cross bar (3) is provided with symmetrically distributed cavities (701), the electric push rod (702) is installed in the cavity (701), and the bottom end of the cross bar (3) is provided with a moving seat (703). The moving rod (704) is rotatably connected between the electric push rod (702) and the moving seat (703) via a hinge seat, and the bottom end of the moving seat (703) is welded with a universal wheel (705).

5. The assembly tool for a camshaft according to claim 4, characterized in that: An L-shaped rod (8) is welded to the bottom end of the cross bar (3) near the side of the movable seat (703), and a reserved groove (9) is provided inside the movable seat (703) near the side of the L-shaped rod (8). The movable seat (703) and the cross bar (3) form a sliding structure through the L-shaped rod (8) and the reserved groove (9).

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