CN219075402U

CN219075402U - Movable clamping mechanism

Info

Publication number: CN219075402U
Application number: CN202222853751.0U
Authority: CN
Inventors: 李赛虎; 张富成; 徐春雨; 陈小伟; 刘馨
Original assignee: Taiyuan Mining Machinery Precision Casting Co ltd
Current assignee: Taiyuan Mining Machinery Precision Casting Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-05-26
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a movable clamping mechanism, which belongs to the technical field of clamping and comprises a clamping box, wherein an upper cover is fixedly arranged at the upper end of the clamping box, a cavity is formed in the upper cover, a sliding groove is fixedly arranged at one side of the upper end of the clamping box, a first oil cylinder is arranged in the sliding groove, a toothed sliding block is fixedly arranged at the front end of the first oil cylinder, a first large gear is arranged at the upper end of the clamping box, a rotating shaft is fixedly arranged on the inner wall of the first large gear, a half-arc gear is fixedly arranged on the outer wall of the rotating shaft, and a clamping block is arranged at one side of the half-arc gear, which is far away from the toothed sliding block. This enables the position to be moved while achieving high-strength clamping.

Description

Movable clamping mechanism

Technical Field

The utility model relates to a clamping structure, in particular to a movable clamping mechanism, and belongs to the technical field of movable clamping.

Background

The rotary friction welding is a solid welding method which realizes connection by carrying out high-speed friction on a welding surface of a workpiece under pressure to ensure that the temperature of a contact surface and an accessory thereof are increased and diffusion and recrystallization metallurgical reaction on an interface, and is a green, efficient and energy-saving welding method with the widest application prospect in the manufacturing industry at present. The whole production process of the rotary friction welding is very efficient, the realization of high-automation control is relatively easy, the rotary friction welding is particularly suitable for specialized production of large-batch workpieces, and the clamping structure of the conventional rotary friction machine is often simple in structure.

The patent of present patent number (CN 209533173U) proposes a clamp structure, and its device clamping lever is equipped with the clamp shoe towards each other's one side correspondence, the clamp shoe is located first clamp shoe and second clamp shoe are kept away from one side of the stiff end of clamping lever, the clamp shoe with first clamp shoe flushes the setting, but its device can't be practical to the spin friction welding machine, and the required clamp structure of spin friction welding machine needs stronger clamping force, to above-mentioned problem, the utility model provides a movable clamping mechanism makes things convenient for people to use.

Disclosure of Invention

The utility model aims to provide a movable clamping mechanism which can realize high-strength clamping and position movement and solves the technical problem that objects fall due to low clamping degree in the prior art.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a movable clamping mechanism, includes the centre gripping case, the fixed upper cover that is provided with of upper end of centre gripping case, the cavity of having seted up of upper cover, the fixed spout that is provided with in upper end one side of centre gripping case, the inside of spout is provided with first hydro-cylinder, the fixed toothed slider that is provided with in front end of first hydro-cylinder, the upper end of centre gripping case is provided with first gear wheel, the fixed axis of rotation that is provided with of inner wall of first gear wheel, the fixed half arc gear that is provided with of outer wall of axis of rotation, one side that half arc gear kept away from toothed slider is provided with the grip block, one side that the grip block is close to half arc gear is fixed and is provided with the rack, the fixed transmission pivot that is provided with in rear end of first gear wheel, the fixed power transmission gear body that is provided with of outer wall of transmission pivot.

The clamping box is characterized in that a second oil cylinder is arranged on one side of the clamping box, a connecting shaft is fixedly arranged at the output end of the second oil cylinder, a fixed cover is fixedly arranged on the outer wall of the connecting shaft, and a groove is formed in one side of the clamping box.

Further, the half-arc gear is located below the first large gear.

Further, the positions of the rack and the half-arc gear are on the same horizontal line, and the teeth of the rack are meshed with the teeth of the half-arc gear.

Further, the rear end of the force transmission gear body is provided with a second large gear in a meshed mode.

Further, one side of the fixed cover, which is close to the clamping box, is communicated with the inside of the groove, and one side of the fixed cover is provided with a bolt.

Further, a threaded hole is formed in one side of the clamping box, and the output end of the bolt is communicated with the inside of the threaded hole.

Further, the number of the transmission rotating shafts is two, the positions of the two transmission rotating shafts are in the same horizontal line, and the lower ends of the clamping blocks are located in the clamping box to limit and slide.

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

1. according to the utility model, the first oil cylinder controlled inward clamping structure is arranged, the first large gear drives the half-arc gear, so that the rack is driven to move, and the clamping block is driven to clamp, so that the clamping device is applicable to high-strength clamping and is more convenient to apply.

2. According to the utility model, the structure capable of moving the clamping box is arranged, and the second oil cylinder and the structure capable of firmly connecting the second oil cylinder with the clamping box are arranged, so that the connection stability of the device is ensured during the control of the second oil cylinder.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of a movable clamping mechanism according to the present utility model;

FIG. 2 is a schematic elevational view in cross-section of a movable clamping mechanism in accordance with the present utility model;

FIG. 3 is a schematic top-down view of a movable clamping mechanism according to the present utility model;

fig. 4 is an enlarged view at a in fig. 2.

In the figure: 1. a clamping box; 2. an upper cover; 3. a cavity; 4. a chute; 5. a first cylinder; 6. a toothed slider; 7. a first gearwheel; 8. a rotating shaft; 9. a half-arc gear; 10. a clamping block; 11. a rack; 12. a second cylinder; 13. a connecting shaft; 14. a groove; 15. a fixed cover; 16. a bolt; 17. a threaded hole; 101. a transmission rotating shaft; 102. a force transmission gear body; 103. and a second large gear.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the movable clamping mechanism provided in this embodiment includes a clamping case 1, an upper cover 2 is fixedly disposed at an upper end of the clamping case 1, a cavity 3 is provided in an inner portion of the upper cover 2, a chute 4 is fixedly disposed at one side of an upper end of the clamping case 1, the chute 4 is used for facilitating sliding of a toothed sliding block 6, a first cylinder 5 is disposed in the chute 4, the first cylinder 5 pushes the toothed sliding block 6 to move, a toothed sliding block 6 is fixedly disposed at a front end of the first cylinder 5, the toothed sliding block 6 drives a first gearwheel 7 to rotate, a first gearwheel 7 is disposed at an upper end of the clamping case 1, the first gearwheel 7 drives a rotating shaft 8 to rotate, a rotating shaft 8 is fixedly disposed at an inner wall of the first gearwheel 7, the rotating shaft 8 is used for driving a half-arc gear 9 to rotate, a half-arc gear 9 is fixedly disposed at an outer wall of the rotating shaft 8, the half-arc gear 9 is meshed with a rack 11 to drive a clamping block 10, a first cylinder 10 is disposed at a side of the half-arc gear 9 away from the toothed sliding block 6, the clamping block 10 is fixedly disposed at a side of the clamping block 10 near the half-arc gear 9, a first gearwheel 11 is fixedly disposed at a front end of the first gearwheel 7, a first gearwheel 7 is disposed at a rear end of the first gearwheel 7 drives a first gearwheel 101 to rotate, a first gearwheel 101 is fixedly disposed at a second gearwheel 101 to rotate, and a first gearwheel 101 is disposed at a second gearwheel 101 rotates, and a first gearwheel 101 is fixedly disposed at an outer wall of a rotating body rotates.

A second oil cylinder 12 is arranged on one side of the clamping box 1, a connecting shaft 13 is fixedly arranged at the output end of the second oil cylinder 12, a fixed cover 15 is fixedly arranged on the outer wall of the connecting shaft 13, and a groove 14 is formed in one side of the clamping box 1.

In this embodiment, as shown in figures 1-4,

preferably, the half-arc gear 9 is located below the first gearwheel 7.

Preferably, the positions of the rack 11 and the half-arc gear 9 are on the same horizontal line, and the teeth of the rack 11 are meshed with the teeth of the half-arc gear 9, so that the half-arc gear 9 is convenient to drive the rack 11 to move.

Preferably, the rear end of the force transmission gear body 102 is provided with a second large gear 103 in a meshed manner.

Preferably, the side of the fixed cover 15 close to the holding box 1 is led into the groove 14, and the side of the fixed cover 15 is provided with a bolt 16.

Preferably, a threaded hole 17 is formed in one side of the clamping box 1, and the output end of the bolt 16 is led into the threaded hole 17.

Preferably, the number of the transmission rotating shafts 101 is two, the positions of the two transmission rotating shafts 101 are on the same horizontal line, and the lower end of the clamping block 10 is positioned in the clamping box 1 to limit sliding.

The application principle and the application flow of the utility model are as follows: when the clamping device is used, the output end of the second oil cylinder 12 is clamped into the groove 14, the fixed cover 15 is connected with the clamping box 1, the fixed cover 15 is fixedly connected with the side wall of the clamping box 1 through the bolts 16, stable connection is achieved, when an object needs to be clamped, the first oil cylinder 5 pushes the toothed sliding block 6 to move so as to drive the first large gear 7 to move, the rotating shaft 8 is driven to rotate, the half-arc gear 9 is driven to rotate, the teeth of the half-arc gear 9 drive the rack 11 to move, the clamping block 10 moves towards the rear end, the transmission rotating shaft 101 is driven to rotate when the first large gear 7 rotates, the transmission rotating shaft 101 drives the force transmission gear body 102 to rotate, and the second large gear 103 is driven to rotate, so that the two clamping blocks 10 clamp towards the center.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.

Claims

1. The movable clamping mechanism is characterized by comprising a clamping box (1), wherein an upper cover (2) is fixedly arranged at the upper end of the clamping box (1), a cavity (3) is formed in the upper cover (2), a sliding groove (4) is fixedly formed in one side of the upper end of the clamping box (1), a first oil cylinder (5) is arranged in the sliding groove (4), a toothed sliding block (6) is fixedly arranged at the front end of the first oil cylinder (5), a first large gear (7) is arranged at the upper end of the clamping box (1), a rotating shaft (8) is fixedly arranged on the inner wall of the first large gear (7), a half-arc gear (9) is fixedly arranged on the outer wall of the rotating shaft (8), a clamping block (10) is arranged on one side, far away from the toothed sliding block (6), of the clamping block (10), a rack (11) is fixedly arranged on one side, close to the half-arc gear (9), of the clamping block, a transmission rotating shaft (101) is fixedly arranged at the rear end of the first large gear (7), and a transmission shaft (101) is fixedly arranged on the outer wall of the transmission body (101);

one side of the clamping box (1) is provided with a second oil cylinder (12), the output end of the second oil cylinder (12) is fixedly provided with a connecting shaft (13), the outer wall of the connecting shaft (13) is fixedly provided with a fixed cover (15), and one side of the clamping box (1) is provided with a groove (14).

2. A movable clamping mechanism according to claim 1, characterized in that the position of the half-arc gear (9) is located below the first gearwheel (7).

3. A movable clamping mechanism according to claim 1, characterized in that the rack (11) is positioned on the same horizontal line as the half-arc gear (9), the teeth of the rack (11) being in engagement with the teeth of the half-arc gear (9).

4. A movable clamping mechanism according to claim 1, characterized in that the rear end of the force transmission gear body (102) is provided with a second gearwheel (103) in engagement.

5. A movable clamping mechanism according to claim 1, characterized in that the side of the stationary cover (15) close to the holding box (1) opens into the interior of the recess (14), and that the side of the stationary cover (15) is provided with bolts (16).

6. A movable clamping mechanism according to claim 5, characterized in that a threaded hole (17) is provided in one side of the clamping box (1), and the output end of the bolt (16) opens into the threaded hole (17).

7. The movable clamping mechanism according to claim 1, wherein the number of the transmission rotating shafts (101) is two, the positions of the two transmission rotating shafts (101) are positioned on the same horizontal line, and the lower end of the clamping block (10) is positioned in the inner limit sliding of the clamping box (1).