CN222494334U

CN222494334U - A camshaft clamping device adapted to different sizes

Info

Publication number: CN222494334U
Application number: CN202421300093.5U
Authority: CN
Inventors: 宋故; 殷杰; 张南; 周长掌
Original assignee: Chongqing Xinxinzhiquan Machinery Manufacturing Co ltd
Current assignee: Chongqing Xinxinzhiquan Machinery Manufacturing Co ltd
Priority date: 2024-06-07
Filing date: 2024-06-07
Publication date: 2025-02-18
Anticipated expiration: 2034-06-07

Abstract

The utility model relates to the technical field of clamping tools, specifically a camshaft clamping device adapted to different sizes, including a U-shaped mounting frame, two coaxially arranged threaded rods are symmetrically rotatably mounted on the inner side of the mounting frame, a connecting shaft is coaxially formed between the ends of the two threaded rods close to each other, the threads on the two threaded rods are in opposite directions, and each threaded rod is threadedly connected with a movable plate, the tops of the two movable plates are limitedly slidably connected to the inner wall of the top of the mounting frame, and the two opposite side surfaces of the bottom of the two movable plates are fixedly connected to the limiting plates. The utility model realizes the clamping of the camshaft by the two movable plates by two coaxial threaded rods symmetrically rotatably mounted in the mounting frame. The coaxially formed connecting shaft between the two threaded rods ensures the synchronization of rotation; the threads on the threaded rods are in opposite directions, so that the two movable plates can move toward or away from each other to adapt to camshafts of different sizes.

Description

Camshaft clamping device suitable for different sizes

Technical Field

The utility model relates to the technical field of clamping tools, in particular to a camshaft clamping device suitable for different sizes.

Background

In machining, auto repair and other related fields, camshafts are an important component. Because of the variety and size of camshafts, it is often necessary to clamp and secure camshafts of different sizes in different operating scenarios. However, conventional clamping tools are often designed to be fixed and are difficult to adapt to camshafts of different sizes, which brings great inconvenience to staff.

Most clamping tools existing in the market at present are designed for camshafts of specific sizes, and when camshafts of different sizes need to be processed, different clamping tools need to be replaced, so that the working efficiency is reduced, and the working cost and the complexity are increased. Also, frequent tool changes may result in tools being lost or damaged, further affecting the workflow. In addition, although some adjustable clamping tools can adapt to camshafts with different sizes to a certain extent, the adjusting process is complex, the operation is inconvenient, the stability is poor, the safety and the stability of the camshafts in the clamping process can not be ensured, and particularly when the precision machining or the detection is carried out, the working quality and the precision can be influenced by any small shaking. In view of this, we propose a camshaft gripping device that accommodates different sizes.

Disclosure of utility model

In order to make up for the defects, the utility model provides a camshaft clamping device which is suitable for different sizes.

The technical scheme of the utility model is as follows:

The utility model provides an adaptation not unidimensional camshaft presss from both sides gets device, is including the mounting bracket that is the U-shaped, the inboard symmetry of mounting bracket rotates installs the threaded rod of two coaxial settings, coaxial integrated into one piece has a connecting axle between the tip that two threaded rods are close to each other, and the screw thread opposite direction on two threaded rods, and equal threaded connection has the fly leaf on every threaded rod, the top of two fly leaves and the spacing sliding connection of top inner wall of mounting bracket, two the equal fixedly connected with limiting plate of opposite both sides face of fly leaf bottom, two hemispherical recess has all been seted up to the inboard of limiting plate to be fixed with first protection pad in hemispherical recess, the bottom sprag structure of two symmetries is installed through the hinge in the middle part of mounting bracket.

As the preferable technical scheme, one of the threaded rod ends rotates to extend to the outer side through the side wall of the mounting frame and is fixedly connected with a knob, and the knob is the same as the standard screw head in size.

As the preferable technical scheme, limit sliding grooves are formed in the inner wall of the top of the mounting frame along the length direction, two limit sliding blocks are arranged in the limit sliding grooves in a sliding mode, and the tops of the movable plates are inserted into the limit sliding grooves and are respectively and fixedly connected to the two limit sliding blocks.

As the preferred technical scheme, bottom sprag structure includes the mounting panel of passing through hinge with the mounting bracket, and the symmetry setting of two mounting panels, the tip that two mounting panels are close to each other passes through hinge hinged connection at the top of mounting bracket, and the tip that two mounting panels are kept away from each other all is provided with the riser that can reciprocate, and the even integrated into one piece of opposite side of two riser bottoms has the diaphragm.

As the preferable technical scheme, the top of mounting panel is equipped with first bolt, and the tip of first bolt rotates and runs through behind the mounting panel and inside the top of screw thread insertion riser, mounting panel bottom just is located two guiding axle of first bolt both sides fixed connection, and the inside sliding connection in top of riser is inserted to the bottom of two guiding axles.

As the preferable technical scheme, each transverse plate bottom is welded with a connecting block, and the two connecting blocks are connected through a second bolt.

As the preferable technical scheme, every diaphragm top all fixedly connected with second protection pad.

As the preferred technical scheme, the symmetrical welding in mounting bracket top both ends has two fixed bars, every all rotate in the fixed bar and install the movable rod, two the tip that the movable rod kept away from each other extends to the outside of corresponding fixed bar respectively and all coaxial integrated into one piece is fixed and is equipped with the handle.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the clamping of the two movable plates to the cam shaft is realized through the two coaxial threaded rods symmetrically and rotatably arranged in the mounting frame. And the connecting shafts are coaxially and integrally formed between the two threaded rods, so that the rotation synchronism is ensured. The directions of the thread lines on the threaded rods are opposite, so that the two movable plates can move oppositely or reversely to adapt to camshafts with different sizes. The limiting plate and the first protection pad on the movable plate can effectively fix and protect the cam shaft. In addition, the two bottom support structures hinged through the hinge in the middle of the mounting frame provide stable support for the cam shaft.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a second schematic diagram of the overall structure of the present utility model;

FIG. 3 is a third schematic diagram of the overall structure of the present utility model;

FIG. 4 is a schematic view of the bottom support structure of the present utility model.

The meaning of each reference numeral in the figures is:

1. 10 parts of mounting frame, limiting sliding chute, 2 parts of bottom supporting structure, 20 parts of mounting plate, 21 parts of guide shaft, 22 parts of first bolt, 23 parts of vertical plate, 24 parts of transverse plate, 25 parts of second protection pad, 26 parts of connecting block, 27 parts of second bolt, 3 parts of hinge, 4 parts of fixing strip, 40 parts of movable rod, 41 parts of handle, 5 parts of movable plate, 50 parts of limiting plate, 51 parts of first protection pad, 52 parts of limiting sliding block, 6 parts of threaded rod, 60 parts of connecting shaft, 61 parts of knob.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution:

The utility model provides an adaptation not unidimensional camshaft presss from both sides gets device, including being the mounting bracket 1 of U-shaped, the inboard symmetry rotation of mounting bracket 1 is installed two coaxial threaded rods 6 that set up, coaxial integrated into one piece has connecting axle 60 between the tip that two threaded rods 6 are close to each other, the screw thread opposite direction on two threaded rods 6, and equal threaded connection has fly leaf 5 on every threaded rod 6, the top of two fly leaf 5 and the spacing sliding connection of the top inner wall of mounting bracket 1, the equal fixedly connected with limiting plate 50 of opposite both sides face of two fly leaf 5 bottoms, hemispherical recess has all been seted up to the inboard of two limiting plate 50, and be fixed with first protection pad 51 in hemispherical recess, the bottom sprag structure 2 of two symmetries is installed in articulated through hinge 3 in the middle part of mounting bracket 1.

The clamping of the two movable plates 5 to the cam shaft is realized through the two coaxial threaded rods 6 symmetrically and rotatably arranged in the mounting frame 1, and the connecting shaft 60 is coaxially and integrally formed between the two threaded rods 6, so that the synchronism of rotation is ensured. The thread lines on the threaded rods 6 are opposite in direction, so that the two movable plates 5 can move towards and away from each other to adapt to camshafts of different sizes. The limiting plate 50 and the first protective pad 51 on the movable plate 5 can effectively fix and protect the camshaft. Furthermore, the two bottom support structures 2 hinged by the hinge 3 in the middle of the mounting frame 1 can provide stable support for the camshaft.

Preferably, in this embodiment, one of the threaded rods 6 has an end portion that rotates to extend through the side wall of the mounting frame 1 to the outside and is fixedly connected with a knob 61, and the size of the knob 61 is the same as that of a standard screw. The positions of the two movable plates 5 can be conveniently and manually adjusted through the knob 61 so as to clamp camshafts with different sizes, and the knob 61 has the same size as a standard screw head, so that the operation is convenient.

As a preferred embodiment, the inner wall of the top of the mounting frame 1 is provided with a limiting sliding groove 10 along the length direction, two limiting sliding blocks 52 are slidably arranged in the limiting sliding groove 10, and the tops of the two movable plates 5 are inserted into the limiting sliding groove 10 and are respectively and fixedly connected to the two limiting sliding blocks 52. The arrangement of the limiting sliding groove 10 and the limiting sliding block 52 ensures that the movable plate 5 can keep stable in the moving process, cannot deviate from a preset track, and improves the stability and safety of the device.

As a preference of this embodiment, the bottom supporting structure 2 includes mounting plates 20 hinged to the mounting frame 1 by hinges 3, the two mounting plates 20 are symmetrically arranged, the ends of the two mounting plates 20 close to each other are hinged to the top of the mounting frame 1 by hinges 3, the ends of the two mounting plates 20 far away from each other are respectively provided with a vertical plate 23 capable of moving up and down, and the opposite sides of the bottoms of the two vertical plates 23 are uniformly formed with transverse plates 24. The bottom support structure 2 is formed by a mounting plate 20, risers 23 and cross plates 24 to provide stable support for the camshaft. At the same time, the height of the riser 23 can be adjusted by turning the first bolt 22, so as to accommodate camshafts of different diameters.

As a preferred embodiment, the top of the mounting plate 20 is provided with a first bolt 22, the end of the first bolt 22 is inserted into the top of the vertical plate 23 after penetrating through the mounting plate 20 in a rotating manner, two guide shafts 21 are fixedly connected to the two sides of the mounting plate 20 and positioned on the two sides of the first bolt 22, and the bottoms of the two guide shafts 21 are inserted into the top of the vertical plate 23 to be connected in a sliding manner. The first bolt 22 is rotatably connected with the mounting plate 20 through a bearing, so that the first bolt 22 can only rotate relative to the mounting plate 20 and cannot move up and down. The guide shaft 21 is provided so that the vertical plate 23 can be kept stable during the up-and-down movement without shaking or shifting.

Preferably, in this embodiment, a connection block 26 is welded to the bottom of each cross plate 24, and the two connection blocks 26 are connected by a second bolt 27. The arrangement of the connection block 26 and the second bolts 27 can further fix the two bottom support structures 2, improving the stability and the load-bearing capacity of the device.

Preferably, the top of each cross plate 24 is fixedly connected with a second protection pad 25. The second protection pad 25 can effectively protect the camshaft from damage during the clamping and supporting processes.

As a preferred embodiment, two fixing bars 4 are symmetrically welded at two ends of the top of the mounting frame 1, each fixing bar 4 is rotatably provided with a movable rod 40, and the ends of the two movable rods 40, which are far away from each other, extend to the outer sides of the corresponding fixing bars 4 respectively and are coaxially and integrally formed and fixedly provided with a grip 41. The arrangement of the movable rod 40 and the handle 41 enables the device to move the cam shaft more conveniently after clamping the cam shaft, and improves the working efficiency.

When the camshaft clamping device adapting to different sizes is used, firstly, a user can adjust the positions of the two movable plates 5 by rotating the knob 61 positioned outside the mounting frame 1 according to the size of the camshaft to be clamped. Since the threads on the two threaded rods 6 are opposite in direction and they are coaxially and synchronously rotated by the connecting shaft 60, the two movable plates 5 are simultaneously moved toward or away from each other when the knob 61 is rotated.

When the movable plate 5 moves to a proper position, the limiting plate 50 will limit the cam shaft to be clamped, and the hemispherical groove and the first protection pad 51 on the limiting plate 50 can ensure stable placement of the cam shaft and prevent the cam shaft from being damaged.

Next, the user can further stabilize the camshaft by adjusting the bottom support structure 2. Specifically, the user can adjust the height of the riser 23 by rotating the first bolt 22 so that the top of the cross plate 24 is in close contact with the bottom of the camshaft. The guide shaft 21 can secure the vertical movement of the riser 23 and prevent it from shaking or shifting during adjustment.

When the height of the riser 23 is adjusted properly, the cross plate 24 provides additional support for the camshaft to be clamped. At this time, the second protection pad 25 can effectively protect the camshaft from damage during the clamping and supporting processes.

To further enhance the stability of the device, the user may also connect the two bottom support structures 2 together via the connection blocks 26 and the second bolts 27, thereby improving the load bearing capacity and overall stability of the device.

Finally, when the user needs to move the device, the user can hold the handle 41, and the design makes the device more convenient and faster in clamping and moving the cam shaft, so that the working efficiency is greatly improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a device is got to camshaft clamp that adapts to different sizes, includes mounting bracket (1) that is the U-shaped, its characterized in that, the inboard symmetry of mounting bracket (1) rotates installs threaded rod (6) of two coaxial settings, coaxial integrated into one piece has connecting axle (60) between the tip that two threaded rods (6) are close to each other, screw thread opposite direction on two threaded rods (6), and equal threaded connection has fly leaf (5) on every threaded rod (6), the top of two fly leaf (5) and the spacing sliding connection of top inner wall of mounting bracket (1), two the equal fixedly connected with limiting plate (50) of opposite both sides face of fly leaf (5) bottom, two hemispherical recess has all been seted up to the inboard of limiting plate (50) to be fixed with first protection pad (51) in hemispherical recess, the bottom bearing structure (2) of two symmetries are installed through hinge (3) articulated in the middle part of mounting bracket (1).

2. The camshaft clamping device adapting to different sizes according to claim 1, wherein the end of one threaded rod (6) rotates to extend to the outer side through the side wall of the mounting frame (1), and is fixedly connected with a knob (61), and the size of the knob (61) is the same as that of a standard screw head.

3. The camshaft clamping device adapting to different sizes according to claim 2, wherein limiting sliding grooves (10) are formed in the inner wall of the top of the mounting frame (1) along the length direction, two limiting sliding blocks (52) are arranged in the limiting sliding grooves (10) in a sliding mode, and the tops of the two movable plates (5) are inserted into the limiting sliding grooves (10) and are fixedly connected to the two limiting sliding blocks (52) respectively.

4. The camshaft clamping device according to claim 3, wherein the bottom supporting structure (2) comprises mounting plates (20) hinged with the mounting frame (1) through hinges (3), the two mounting plates (20) are symmetrically arranged, the ends, close to each other, of the two mounting plates (20) are hinged with the top of the mounting frame (1) through the hinges (3), the ends, far away from each other, of the two mounting plates (20) are respectively provided with a vertical plate (23) capable of moving up and down, and transverse plates (24) are uniformly formed on opposite sides of the bottoms of the two vertical plates (23).

5. The camshaft clamping device adapting to different sizes according to claim 4, wherein a first bolt (22) is arranged at the top of the mounting plate (20), the end part of the first bolt (22) is inserted into the inside of the top of the riser (23) after penetrating through the mounting plate (20) in a rotating mode, two guide shafts (21) are fixedly connected to the bottom of the mounting plate (20) and are positioned on two sides of the first bolt (22), and the bottoms of the two guide shafts (21) are inserted into the inside of the top of the riser (23) in a sliding mode.

6. The camshaft clamping device according to claim 5, wherein each of the cross plates (24) has a connecting block (26) welded to the bottom thereof, and the two connecting blocks (26) are connected by a second bolt (27).

7. The camshaft gripping device according to claim 6, wherein the top of each cross plate (24) is fixedly connected with a second protection pad (25).

8. The camshaft clamping device according to claim 7, wherein two fixing bars (4) are symmetrically welded at two ends of the top of the mounting frame (1), movable bars (40) are rotatably installed in each fixing bar (4), and the ends, away from each other, of the two movable bars (40) extend to the outer sides of the corresponding fixing bars (4) respectively and are coaxially and integrally formed and fixedly provided with handles (41).