Positioning device for automobile camshaft machining

Abstract

The utility model provides a locating device used for automobile camshaft machining, and relates to the camshaft machining technical field, the locating device comprises a placing plate and a clamping jaw, the top end of the placing plate is provided with a fixing block, the front side of the fixing block close to the top end is rotatably connected with a second rotating rod, and the inner part of the fixing block is rotatably connected with a worm; a second rotating rod, a worm gear, the worm and the connecting shaft are arranged, the second rotating rod is rotated, the second rotating rod drives the worm to rotate, the worm is meshed with the worm gear, the worm gear is driven to rotate, and the connecting shaft is driven to rotate along with rotation of the worm gear. The connecting shaft drives the clamping jaw to rotate together and meanwhile drives the cam shaft clamped by the clamping jaw to rotate together, the second rotating rod is rotated in different reverse directions, the clamping jaw is driven to rotate in different directions, the cam shaft is driven to rotate together, and the cam shaft is conveniently machined.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile camshaft processing, in particular to a positioning device used for automobile camshaft processing. 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 (in a two-stroke engine, the speed of the camshaft is the same as the crankshaft), its speed is usually still very high and it needs to withstand a large torque. Therefore, the design of the camshaft has high requirements for strength and support, and its material is generally high-quality alloy steel or alloy steel.

[0003] After searching, the publication number is: CN217750450U, which discloses a cutting and clamping tool for a vertical processing tool for an automobile camshaft, including a base plate, a support plate is arranged on one side of the top of the base plate, a lower pressure plate is arranged on one side of the support plate, a collar is arranged at the bottom of the lower pressure plate, a positioning ring is arranged at the bottom of the collar, a clamping structure is arranged at the top of the base plate, an adjustment structure is arranged at the connection between the support plate and the lower pressure plate, and the clamping structure includes a mounting box, which is arranged at the top of the base plate. The utility model can facilitate users to limit and clamp the two ends of the camshaft respectively, and can limit and clamp camshafts of different lengths to improve the clamping stability and use range of the camshaft. The application has the following shortcomings: when clamping camshafts of different lengths, the position of the camshaft is fixed after clamping, and the processing part cannot be rotated and adjusted. Therefore, a positioning device for automobile camshaft processing is proposed. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a positioning device for automobile camshaft processing, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a positioning device for automobile camshaft processing, including: a placement plate and a clamping jaw, a fixed block is installed on the top of the placement plate, a second rotating rod is rotatably connected to the front of the fixed block near the top position, and a worm is rotatably connected to the inside of the fixed block, and a connecting shaft is rotatably connected to the inside of the fixed block, a worm wheel is installed on the connecting shaft, and the worm wheel is meshed with the worm.

[0006] As a further technical solution of the utility model, one end of the connecting shaft passes through one side of the fixed block and extends to the outside, and a clamp is installed on the end of the connecting shaft extending to the outside of the fixed block, and one end of the second rotating rod extends to the inside of the fixed block and is fixedly connected to the worm gear.

[0007] As a further technical solution of the utility model, a mounting groove is provided inside the placement plate, a threaded rod is rotatably connected in the mounting groove, a connecting block is threadedly connected to the threaded rod, and a sliding block is installed on the top of the connecting block.

[0008] As a further technical solution of the utility model, a sliding groove adapted to the slider is arranged at the middle position of the top end of the placement plate, the slider is slidably connected in the sliding groove, and a fixing plate is installed at the top end of the slider, and a clamping claw is arranged on the side of the fixing plate opposite to the fixed block.

[0009] As a further technical solution of the utility model, a connecting column is rotatably connected to the fixing plate, and one end of the connecting column away from the fixing plate is fixedly connected to the clamping claw.

[0010] As a further technical solution of the utility model, one end of the placement plate is rotatably connected to a first rotating rod, and one end of the first rotating rod extends into the interior of the placement plate and is fixedly connected to one end of the threaded rod.

[0011] The utility model provides a positioning device for automobile camshaft processing, which has the following beneficial effects compared with the prior art:

[0012] 1. This design is a positioning device for automobile camshaft processing. By setting a second rotating rod, a worm wheel, a worm and a connecting shaft, the second rotating rod is rotated, and the second rotating rod drives the worm to rotate. The worm is meshed with the worm wheel, driving the worm wheel to rotate. As the worm wheel rotates, the connecting shaft is driven to rotate. The connecting shaft drives the clamping jaw to rotate together, and at the same time drives the camshaft clamped by the clamping jaw to rotate together. The second rotating rod is rotated in different reverse directions to drive the clamping jaw to rotate in different directions, and drive the camshaft to rotate together, so as to facilitate the processing of the camshaft.

[0013] 2. This design is a positioning device for automobile camshaft processing. By setting a first rotating rod, a threaded rod, a connecting block and a sliding block, the first rotating rod is rotated to drive the threaded rod to rotate. When the threaded rod rotates, the connecting block moves on the outside, and the fixed plate is driven to move by the sliding block to adjust the distance between the fixed plate and the fixed block. Camshafts of different lengths are clamped by clamps for processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the overall structure of a positioning device used for automobile camshaft processing;

[0015] Figure 2 A cross-sectional view of the internal structure of a protective plate of a positioning device used in automobile camshaft processing;

[0016] Figure 3 The present invention is a cross-sectional view of the internal structure of a fixed block of a positioning device used for automobile camshaft processing.

[0017] In the figure: 1. placement plate; 2. fixing block; 3. fixing plate; 4. connecting column; 5. clamping claw; 6. first rotating rod; 7. sliding groove; 8. threaded rod; 9. connecting block; 10. sliding block; 11. second rotating rod; 12. connecting shaft; 13. worm; 14. worm wheel. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 The utility model provides a technical solution of a positioning device for automobile camshaft processing, including: a placing plate 1 and a clamping jaw 5, a fixing block 2 is installed on the top of the placing plate 1, a second rotating rod 11 is rotatably connected to the front of the fixing block 2 near the top position, and a worm 13 is rotatably connected inside the fixing block 2, a connecting shaft 12 is rotatably connected inside the fixing block 2, a worm wheel 14 is installed on the connecting shaft 12, the worm wheel 14 is meshed with the worm 13, the second rotating rod 11 is rotated, the second rotating rod 11 drives the worm 13 to rotate, the worm 13 drives the worm wheel 14 to rotate, the worm wheel 14 drives the connecting shaft 12 to rotate when the worm wheel 14 rotates, the connecting shaft 12 drives the clamping jaw 5 to rotate, the camshaft is clamped in the clamping jaw 5, the clamping jaw 5 is an existing clamping component, and the working principle is not described in detail here.

[0020] like Figure 2 and Figure 3 As shown, one end of the connecting shaft 12 passes through one side of the fixed block 2 and extends to the outside, and the end of the connecting shaft 12 extending to the outside of the fixed block 2 is installed with a clamping claw 5, one end of the second rotating rod 11 extends to the inside of the fixed block 2 and is fixedly connected to the worm 13, and a mounting groove is provided inside the placement plate 1, and a threaded rod 8 is rotatably connected in the mounting groove, and a connecting block 9 is threadedly connected to the threaded rod 8, and a slider 10 is installed on the top of the connecting block 9, and a sliding groove 7 adapted to the slider 10 is provided at the middle position of the top of the placement plate 1, and the slider 10 is slidably connected to A fixed plate 3 is installed in the slide groove 7 and on the top of the slider 10. The first rotating rod 6 is rotated, and the first rotating rod 6 drives the threaded rod 8 to rotate. When the threaded rod 8 rotates, the connecting block 9 is driven to move. The first rotating rod 6 is rotated in different directions to drive the threaded rod 8 to rotate in different directions, so that the connecting block 9 reciprocates on the threaded rod 8. When the connecting block 9 moves, the fixed plate 3 is driven to move together through the slider 10, and the distance between the fixed plate 3 and the fixed block 2 is adjusted. The distance between the two clamping jaws 5 is adjusted according to the length of the camshaft.

[0021] like Figure 1 and Figure 2 As shown, a clamping claw 5 is provided on the side of the fixed plate 3 opposite to the fixed block 2, a connecting column 4 is rotatably connected to the fixed plate 3, and one end of the connecting column 4 away from the fixed plate 3 is fixedly connected to the clamping claw 5, and one end of the placing plate 1 is rotatably connected to a first rotating rod 6, and one end of the first rotating rod 6 extends into the interior of the placing plate 1 and is fixedly connected to one end of the threaded rod 8.

[0022] The working principle of the utility model is as follows: one end of the camshaft is inserted into the clamping claw 5 on the fixed block 2, the clamping claw 5 clamps the camshaft, the first rotating rod 6 is rotated, the first rotating rod 6 drives the threaded rod 8 to rotate, when the threaded rod 8 rotates, the outer side of the connecting block 9 moves, when the connecting block 9 moves, the fixing plate 3 is driven to move together through the slider 10, the fixing plate 3 is moved close to the fixing block 2, so that the clamping claw 5 on the fixing plate 3 is clamped at the other end of the camshaft, the camshaft is processed, the second rotating rod 11 is rotated, the second rotating rod 11 drives the worm 13 to rotate, the worm 13 drives the worm wheel 14 to rotate, the worm wheel 14 drives the connecting shaft 12 to rotate, the connecting shaft 12 drives the clamping claw 5 on the fixed block 2 to rotate, the clamping claw 5 on the fixing plate 3 rotates through the connecting column 4, the camshaft is rotated, and different parts of the camshaft are conveniently processed.

[0023] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A positioning device for automobile camshaft processing, comprising: A placement plate (1) and a clamp (5), characterized in that a fixed block (2) is installed at the top of the placement plate (1), a second rotating rod (11) is rotatably connected to the front of the fixed block (2) near the top, and a worm (13) is rotatably connected inside the fixed block (2), a connecting shaft (12) is rotatably connected inside the fixed block (2), a worm wheel (14) is installed on the connecting shaft (12), and the worm wheel (14) is meshed with the worm (13).

2. A positioning device for automobile camshaft processing according to claim 1, characterized in that: One end of the connecting shaft (12) passes through one side of the fixed block (2) and extends to the outside, and a clamping claw (5) is installed on the end of the connecting shaft (12) extending to the outside of the fixed block (2), and one end of the second rotating rod (11) extends to the inside of the fixed block (2) and is fixedly connected to the worm (13).

3. A positioning device for automobile camshaft processing according to claim 1, characterized in that: The placement plate (1) is provided with an installation groove inside, a threaded rod (8) is rotatably connected in the installation groove, a connecting block (9) is threadedly connected to the threaded rod (8), and a sliding block (10) is installed at the top end of the connecting block (9).

4. A positioning device for automobile camshaft processing according to claim 1, characterized in that: A slide groove (7) adapted to the slider (10) is provided at the middle position of the top end of the placement plate (1), the slider (10) is slidably connected in the slide groove (7), and a fixing plate (3) is installed at the top end of the slider (10), and a clamping claw (5) is provided on the side of the fixing plate (3) opposite to the fixing block (2).

5. A positioning device for automobile camshaft processing according to claim 4, characterized in that: A connecting column (4) is rotatably connected to the fixing plate (3), and one end of the connecting column (4) away from the fixing plate (3) is fixedly connected to the clamping claw (5).

6. A positioning device for automobile camshaft processing according to claim 1, characterized in that: One end of the placement plate (1) is rotatably connected to a first rotating rod (6), and one end of the first rotating rod (6) extends into the interior of the placement plate (1) and is fixedly connected to one end of a threaded rod (8).

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