Rotary double-station annular workpiece clamping device

Abstract

The utility model discloses a rotary type double-station annular workpiece clamping device, which relates to the technical field of clamping devices, and comprises a mounting plate and a movable plate, two groups of clamping mechanisms are arranged at the upper end of the movable plate, a rotating mechanism is arranged at the lower end of the mounting plate, each clamping mechanism comprises a concave seat, five groups of arc-shaped push blocks and a fixed round seat, an air cylinder is fixedly installed in the concave base, a protective shell is fixedly installed at the upper end of the concave base, L-shaped arc supporting plates are fixedly installed at one ends of the five sets of arc-shaped pushing blocks, six sets of vertical holes are formed in the upper end of the fixed round base in a penetrating mode, and a long pushing frame base is fixedly installed at the extending end of the air cylinder. And connecting pieces are rotationally mounted on five protruding parts at the upper end of the long push frame seat. According to the annular workpiece clamping device, the annular workpiece can be fixed, the phenomenon of unstable clamping is prevented, it is guaranteed that the annular workpiece cannot deviate, and then the machining precision and efficiency cannot be affected.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping devices, in particular to a rotary double-station annular workpiece clamping device. Background Art

[0002] An annular workpiece is an industrial product with an annular shape, which is widely used in mechanical processing, automobile manufacturing, aerospace and other fields. In the production process, the annular workpiece needs to be clamped and fixed to ensure the processing accuracy and safety. Some common annular workpiece clamping devices include chucks, fixtures, etc.

[0003] In order to improve production efficiency, ensure continuous operation, reduce auxiliary time and improve equipment utilization, some factories will use double-station clamping devices to clamp the annular workpieces, so as to ensure that the processing process can be carried out uninterruptedly and avoid interrupting the production process due to frequent loading and unloading of workpieces. At the same time, it will also be equipped with a rotating mechanism to adjust the position of the two sets of clamping mechanisms to facilitate the processing of the clamped annular workpiece.

[0004] However, in the prior art, the double-station annular workpiece clamping devices on the market are prone to unstable clamping when clamping annular workpieces, which may cause the annular workpiece to shift and directly affect the processing accuracy and efficiency. Therefore, a rotary double-station annular workpiece clamping device is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that when clamping an annular workpiece, it is easy to have an unstable clamping phenomenon, which causes the annular workpiece to deviate and directly affects the processing accuracy and efficiency, and to propose a rotary double-station annular workpiece clamping device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rotary double-station annular workpiece clamping device, comprising a mounting plate and a movable plate, the upper end of the movable plate is provided with two groups of clamping mechanisms, the lower end of the mounting plate is provided with a rotating mechanism, the clamping mechanism comprises a concave seat, five groups of arc-shaped push blocks and a fixed round seat, a cylinder is fixedly installed inside the concave seat, a protective shell is fixedly installed on the upper end of the concave seat, one end of the five groups of arc-shaped push blocks are fixedly installed with an L-shaped arc support plate, six groups of vertical holes are opened through the upper end of the fixed round seat, a long push frame seat is fixedly installed on the protruding end of the cylinder, and five protrusions on the upper end of the long push frame seat are rotatably installed with connecting parts.

[0007] Preferably, the rotating mechanism comprises a telescopic rod and a sliding seat, a rotating shaft is rotatably installed through the upper end of the mounting plate, a gear is fixedly installed on the outer wall of the lower end of the rotating shaft, and one end of the gear is meshed with a toothed plate.

[0008] Preferably, the other ends of the five groups of connecting members are rotatably mounted on one ends of the five groups of arc-shaped push blocks respectively, and the fixed round seat is slidably mounted inside the protective shell.

[0009] Preferably, a slide rail is fixedly mounted on the lower end of the mounting plate, the slide seat is slidably mounted on the slide rail, and one end of the telescopic rod is fixed to the protruding portion of the lower end of the mounting plate.

[0010] Preferably, the five protrusions on the upper end of the long push frame seat are respectively slidably installed inside the five groups of vertical holes, the lower ends of the five groups of arc-shaped push blocks all pass through the protective shell, and are respectively rotatably installed on the five protrusions on the upper end of the fixed round seat, and the lower ends of the two groups of concave seats are fixed to the upper end of the movable plate.

[0011] Preferably, the extended end of the telescopic rod is fixed to one end of the slide seat, and one end of the toothed plate is fixed to one end of the slide seat.

[0012] Preferably, an auxiliary round seat is welded to the upper end of the mounting plate, a stabilizing ring is rotatably mounted inside the auxiliary round seat, and the upper end of the stabilizing ring is fixed to the lower end of the movable plate.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, by providing a clamping mechanism, with the cooperation of the cylinder, five groups of L-shaped arc support plates, five groups of arc push blocks, a fixed round seat, a long push frame seat and five groups of connecting parts, the outer walls of the five groups of L-shaped arc support plates can be tightly attached to the inner wall of the annular workpiece, and the contact area between the five groups of L-shaped arc support plates and the inner wall of the annular workpiece is increased, so that the annular workpiece can be fixed, the phenomenon of unstable clamping can be prevented, and the annular workpiece can be ensured not to be offset, thereby not affecting the accuracy and efficiency during processing.

[0015] 2. In the utility model, by providing a rotating mechanism, the movable plate can drive the two sets of clamping mechanisms to move under the cooperation of the telescopic rod, the slide seat, the rotating shaft, the gear, the toothed plate and the slide rail, so that the positions of the two sets of clamping mechanisms can be switched, and the two stations can be switched quickly and smoothly, which reduces the time consumption of station switching and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a clamping mechanism of a rotary double-station annular workpiece clamping device proposed by the utility model;

[0017] Figure 2 A partial exploded diagram of a clamping mechanism of a rotary double-station annular workpiece clamping device proposed by the utility model;

[0018] Figure 3 A three-dimensional diagram of a rotating mechanism of a rotating double-station annular workpiece clamping device proposed by the utility model;

[0019] Figure 4 The utility model provides a stereoscopic diagram of a rotary double-station annular workpiece clamping device.

[0020] Legend: 1. Mounting plate; 11. Movable plate; 12. Stabilizing ring; 13. Auxiliary round seat; 2. Clamping mechanism; 21. Concave seat; 22. Cylinder; 23. Protective shell; 24. L-shaped arc support plate; 25. Arc push block; 26. Fixed round seat; 27. Vertical hole; 28. Long push frame seat; 29. ​​Connecting piece; 3. Rotating mechanism; 31. Telescopic rod; 32. Sliding seat; 33. Rotating shaft; 34. Gear; 35. Tooth plate; 36. Slide rail. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1

[0024] like Figure 1As shown in Figure 4, the utility model provides a rotary double-station annular workpiece clamping device, including a mounting plate 1 and a movable plate 11, two groups of clamping mechanisms 2 are arranged on the upper end of the movable plate 11, a rotating mechanism 3 is arranged on the lower end of the mounting plate 1, the clamping mechanism 2 includes a concave seat 21, five groups of arc-shaped push blocks 25 and a fixed round seat 26, a cylinder 22 is fixedly installed inside the concave seat 21, a protective shell 23 is fixedly installed on the upper end of the concave seat 21, an L-shaped arc support plate 24 is fixedly installed on one end of the five groups of arc-shaped push blocks 25, six groups of vertical holes 27 are penetrated at the upper end of the fixed round seat 26, a long push frame seat 28 is fixedly installed on the protruding end of the cylinder 22, and five protruding holes 27 are arranged on the upper end of the long push frame seat 28. The outlet parts are all rotatably installed with connecting pieces 29, and the other ends of the five groups of connecting pieces 29 are respectively rotatably installed on one end of the five groups of arc-shaped push blocks 25. The fixed round seat 26 is slidably installed inside the protective shell 23. The five protrusions at the upper end of the long push frame seat 28 are respectively slidably installed inside the five groups of vertical holes 27. The lower ends of the five groups of arc-shaped push blocks 25 all pass through the protective shell 23 and are respectively rotatably installed on the five protrusions at the upper end of the fixed round seat 26. The lower ends of the two groups of concave seats 21 are fixed to the upper end of the movable plate 11, and an auxiliary round seat 13 is welded to the upper end of the mounting plate 1. A stabilizing ring 12 is rotatably installed inside the auxiliary round seat 13, and the upper end of the stabilizing ring 12 is fixed to the lower end of the movable plate 11.

[0025] The following is a detailed description of the specific settings and functions of this embodiment. By providing a clamping mechanism 2, the cylinder 22 is started, and the extended end of the cylinder 22 pushes the long push frame seat 28 to move upward. The five protrusions on the long push frame seat 28 move up and down inside the five groups of vertical holes 27, respectively. Since one end of the five groups of connecting members 29 is respectively rotatably matched with one end of the five groups of arc-shaped push blocks 25, the other ends of the five groups of connecting members 29 are respectively rotatably matched with the five protrusions of the long push frame seat 28, so that the long push frame seat 28 drives the five groups of arc-shaped push blocks 25 to move through the five groups of connecting members 29, and then because one end of the five groups of arc-shaped push blocks 25 is respectively connected to the five ends of the fixed round seat 26, the five protrusions of the long push frame seat 28 are respectively rotatably matched. The protruding parts rotate and cooperate, so that one end of the five groups of arc-shaped push blocks 25 is limited on the fixed round seat 26, and the five groups of arc-shaped push blocks 25 can only move on the fixed round seat 26, and the five groups of arc-shaped push blocks 25 will drive the five groups of L-shaped arc support plates 24 to move. At the same time, under the cooperation of the five groups of L-shaped arc support plates 24, the outer walls of the five groups of L-shaped arc support plates 24 are all tightly attached to the inner wall of the annular workpiece, and the contact area between the five groups of L-shaped arc support plates 24 and the inner wall of the annular workpiece is increased, so that the annular workpiece can be fixed, the phenomenon of unstable clamping is prevented, and the annular workpiece is ensured not to be offset, thereby not affecting the accuracy and efficiency during processing;

[0026] By providing two groups of clamping mechanisms 2, with the cooperation of the two groups of clamping mechanisms 2, when one of the workpieces is being processed, the other clamping mechanism 2 can be controlled to clamp the other workpieces. After the workpieces are processed, one workstation can be processing while the other workstation is preparing for loading and unloading the workpieces, which reduces downtime waiting time and greatly improves the overall processing efficiency. At the same time, it ensures that the processing process can be carried out uninterruptedly to avoid interruption of the production process due to frequent loading and unloading of workpieces.

[0027] Embodiment 2

[0028] like Figure 3 and Figure 4 As shown, the rotating mechanism 3 includes a telescopic rod 31 and a slide seat 32. A rotating shaft 33 is rotatably installed through the upper end of the mounting plate 1. A gear 34 is fixedly installed on the outer wall of the lower end of the rotating shaft 33. A toothed plate 35 is meshed at one end of the gear 34. A slide rail 36 is fixedly installed at the lower end of the mounting plate 1. The slide seat 32 is slidably installed on the slide rail 36. One end of the telescopic rod 31 is fixed to the protruding portion of the lower end of the mounting plate 1, the protruding end of the telescopic rod 31 is fixed to one end of the slide seat 32, and one end of the toothed plate 35 is fixed to one end of the slide seat 32.

[0029] The effect achieved by the entire embodiment is that, by providing the rotating mechanism 3, by starting the telescopic rod 31, the extended end of the telescopic rod 31 pushes the slide 32 to move, so that the slide 32 slides on the slide rail 36, and at the same time the slide 32 pushes the toothed plate 35 to move, under the meshing of the toothed plate 35 and the gear 34, and the rotation cooperation of the rotating shaft 33 and the mounting plate 1, the toothed plate 35 pushes the gear 34 to rotate, and the gear 34 drives the rotating shaft 33 to rotate in the middle of the mounting plate 1, and the rotating shaft 33 drives the movable plate 11 to rotate, and then the movable plate 11 drives the two groups of clamping mechanisms 2 to move, so that the positions of the two groups of clamping mechanisms 2 can be switched, and at the same time, the switching between the two stations can be fast and stable, reducing the time consumption of station switching and improving production efficiency;

[0030] With the cooperation of the stabilizing ring 12 and the auxiliary round seat 13, when the movable plate 11 rotates, the movable plate 11 will drive the stabilizing ring 12 to rotate inside the auxiliary round seat 13, which can support the movable plate 11, thereby increasing the stability of the movable plate 11 during rotation, thereby increasing the stability of the two sets of clamping mechanisms 2 during conversion.

[0031] The method of using and the working principle of the present device are as follows: first, install the mounting plate 1 to a suitable position, and then put the annular workpiece on the five groups of L-shaped arc support plates 24. At this time, start the cylinder 22, and the protruding end of the cylinder 22 pushes the long push frame seat 28 to move upward. The five protrusions on the long push frame seat 28 move up and down respectively inside the five groups of vertical holes 27. The long push frame seat 28 drives the five groups of arc-shaped push blocks 25 to move through the five groups of connecting parts 29. One end of the five groups of arc-shaped push blocks 25 is limited on the fixed round seat 26, and the five groups of arc-shaped push blocks 25 can only move on the fixed round seat 26, and the five groups of arc-shaped push blocks 25 will drive the five groups of L-shaped arc support plates 24 to move. At the same time, with the cooperation of the five groups of L-shaped arc support plates 24, the outer walls of the five groups of L-shaped arc support plates 24 are all tightly attached to the inner wall of the annular workpiece, and the contact area between the five groups of L-shaped arc support plates 24 and the inner wall of the annular workpiece is increased, which can The annular workpiece can be fixed, and then the annular workpiece is processed by external equipment. When the annular workpiece is processed, other workpieces are clamped through the above steps. Finally, after the workpiece is processed, the telescopic rod 31 is started, and the extended end of the telescopic rod 31 pushes the slide 32 to move, so that the slide 32 slides on the slide rail 36. At the same time, the slide 32 pushes the toothed plate 35 to move. Under the meshing of the toothed plate 35 and the gear 34, and the rotation cooperation of the rotating shaft 33 and the mounting plate 1, the toothed plate 35 pushes the gear 34 to rotate, and the gear 34 drives the rotating shaft 33 to rotate in the middle of the mounting plate 1, and the rotating shaft 33 drives the movable plate 11 to rotate, so that the movable plate 11 drives the two sets of clamping mechanisms 2 to move, and the positions of the two sets of clamping mechanisms 2 can be converted, and another annular workpiece can be moved to the processing area for convenient processing.

[0032] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A rotary double-station annular workpiece clamping device, comprising a mounting plate (1) and a movable plate (11), characterized in that: Two groups of clamping mechanisms (2) are arranged at the upper end of the movable plate (11), and a rotating mechanism (3) is arranged at the lower end of the mounting plate (1). The clamping mechanism (2) comprises a concave seat (21), five groups of arc-shaped push blocks (25) and a fixed round seat (26). A cylinder (22) is fixedly installed inside the concave seat (21), and a protective shell (23) is fixedly installed at the upper end of the concave seat (21). An L-shaped arc support plate (24) is fixedly installed at one end of the five groups of arc-shaped push blocks (25). Six groups of vertical holes (27) are penetrated at the upper end of the fixed round seat (26). A long push frame seat (28) is fixedly installed at the protruding end of the cylinder (22), and five protrusions at the upper end of the long push frame seat (28) are rotatably installed with connecting pieces (29).

2. A rotary double-station annular workpiece clamping device according to claim 1, characterized in that: The rotating mechanism (3) comprises a telescopic rod (31) and a sliding seat (32); a rotating shaft (33) is rotatably mounted through the upper end of the mounting plate (1); a gear (34) is fixedly mounted on the outer wall of the lower end of the rotating shaft (33); and a toothed plate (35) is meshed at one end of the gear (34).

3. A rotary double-station annular workpiece clamping device according to claim 1, characterized in that: The other ends of the five groups of connecting members (29) are rotatably mounted on one end of the five groups of arc-shaped push blocks (25), and the fixed round seat (26) is slidably mounted inside the protective shell (23).

4. A rotary double-station annular workpiece clamping device according to claim 2, characterized in that: A slide rail (36) is fixedly mounted on the lower end of the mounting plate (1), the slide seat (32) is slidably mounted on the slide rail (36), and one end of the telescopic rod (31) is fixed to the protruding portion at the lower end of the mounting plate (1).

5. The rotary double-station annular workpiece clamping device according to claim 3, characterized in that: The five protrusions at the upper end of the long push frame seat (28) are slidably mounted inside the five groups of vertical holes (27), the lower ends of the five groups of arc-shaped push blocks (25) all pass through the protective shell (23) and are rotatably mounted on the five protrusions at the upper end of the fixed round seat (26), and the lower ends of the two groups of concave seats (21) are fixed to the upper end of the movable plate (11).

6. A rotary double-station annular workpiece clamping device according to claim 4, characterized in that: The extended end of the telescopic rod (31) is fixed to one end of the slide seat (32), and one end of the toothed plate (35) is fixed to one end of the slide seat (32).

7. The rotary double-station annular workpiece clamping device according to claim 1, characterized in that: An auxiliary round seat (13) is welded to the upper end of the mounting plate (1), a stabilizing ring (12) is rotatably mounted inside the auxiliary round seat (13), and the upper end of the stabilizing ring (12) is fixed to the lower end of the movable plate (11).

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