Annular workpiece positioning and clamping device for machine tool machining

By designing a combination of a boom, base plate, load-bearing plate and chuck, and utilizing the coordination of a cylinder and a gear rod to achieve precise positioning and clamping of the annular workpiece, the instability problem of traditional devices is solved, processing accuracy and safety are improved, clamping time is reduced, and processing efficiency is increased.

CN223406466UActive Publication Date: 2025-10-03SHANDONG ANODA AUTO PARTS MFG CO LTD
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Patent Information

Application Number
CN202422841819.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-03
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Traditional annular workpiece holding devices are not stable enough and can easily cause surface damage.

Method used

A holding device consisting of a boom, a base plate, a bearing plate and a chuck was designed. The precise positioning and holding of the annular workpiece were achieved through the cooperation of a cylinder and a gear rod. The driving motor was used to control the rotation of the bearing base and the opening and closing of the claws.

Benefits of technology

It improves processing accuracy and safety, reduces clamping time, improves processing efficiency, and reduces the labor intensity of operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an annular workpiece positioning and clamping device for machining of a machine tool. The annular workpiece positioning and clamping device for machining of the machine tool is a device which is specially used for accurately positioning and stably clamping an annular workpiece in machining of the machine tool. The bearing base (3) is arranged below the bottom plate (2) in a triangular rotating mode, air cylinders (4) are arranged on the two faces of the bearing base (3), toothed bars are arranged on the air cylinders (4), and chucks (5) are arranged at the front ends of the air cylinders (4). The clamp has the main functions of ensuring that the machining precision is not influenced by vibration or movement in the machining process of the annular workpiece, and meanwhile ensuring that the workpiece occupies a correct position in the clamp so as to facilitate subsequent machining operations such as cutting and grinding.
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Description

Technical Field

[0001] The utility model relates to the field of machine tool processing, in particular to a holding device for an annular workpiece. Background Art

[0002] Annular workpiece positioning and holding devices for machine tool processing. These devices are a key technology in the field of machine tool processing. With the continuous development and innovation of machine tool processing technology, the design of these devices is also being optimized and improved. By employing advanced fixture design, positioning technology, and holding devices, the machining accuracy, stability, and efficiency of annular workpieces can be further improved, making a significant contribution to the development of the machine tool field. Utility Model Content

[0003] In order to solve the shortcomings of traditional annular workpiece holding devices, such as insufficient stability in holding the annular workpiece and easy surface damage, the present invention designs an annular workpiece positioning and holding device for machine tool processing.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: the annular workpiece positioning and holding device for machine tool processing mainly includes: a boom, a base plate, a bearing plate and a chuck, the base plate is fixedly arranged at the bottom of the boom, a bearing base is rotatably provided on the base plate, the bearing base is rotatably provided in a triangular shape under the base plate, and chucks are fixedly provided on both surfaces of the bearing base, and the chuck is used to perform positioning and holding work on the annular workpiece.

[0005] Through the above technical solution, more accurate limiting work can be performed on the processed parts, and this technical solution is safer and more convenient for manual operation.

[0006] Preferred: A ring-shaped workpiece holding device for machine tool processing, characterized in that the device mainly includes a boom, a base plate, a bearing base, a cylinder and a chuck, the base plate is fixedly arranged at the bottom of the boom, a bearing base is rotatably provided on the base plate, the bearing base is rotatably provided in a triangular shape under the base plate, cylinders are provided on two surfaces of the bearing base, a gear rod is provided on the cylinder, and a chuck is provided at the front end of the cylinder.

[0007] Preferably: the annular workpiece holding device for machine tool processing is characterized in that the surface of the gear rod is arranged with teeth, the gear rod moves through the chuck, the chuck is provided with a circular array of claws, the claws and the chuck are hinged, and a gear is provided at the lower end of the claw for rotation, and the gear and the claw rotate coaxially.

[0008] Preferably, the annular workpiece holding device for machine tool processing is characterized in that the threads on the gear and the rack are engaged, and when the rack is extended, the distance between the jaws increases, and when the rack is shortened, the distance between the jaws decreases.

[0009] Preferably, the annular workpiece holding device for machine tool processing is characterized in that a driving motor is provided on the bearing base, and the driving motor controls the rotation of the bearing base through a shaft drive.

[0010] Beneficial effects: The annular workpiece holding device for machine tool processing mainly includes a boom, a base plate, a load plate, and a chuck. The cooperation of various components can improve processing accuracy. The holding device can achieve rapid clamping and positioning of the workpiece, reducing clamping time and idle tool time, thereby improving processing efficiency. The annular workpiece holding device can be adjusted and optimized according to different processing requirements and workpiece characteristics. The holding device can reduce the labor intensity of the operator while improving the safety of the processing process. The design of the annular workpiece holding device usually takes into account the need for easy maintenance and servicing. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the overall cross section of the utility model;

[0013] Figure 3 It is a side structural diagram of the utility model.

[0014] In the figure, 1 is a boom; 2 is a base plate, 201 is a driving motor; 3 is a bearing base; 4 is an air cylinder, 401 is a gear rod; 5 is a chuck, 501 is a gear, and 502 is a claw. DETAILED DESCRIPTION

[0015] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0016] The following describes the implementation process of the present invention in detail with reference to the accompanying drawings. The embodiments described are only a portion of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting", "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a welded connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, an indirect connection through an intermediate medium, or a connection between the internal parts of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] See also Figure 1-3 As shown in: When using this device, first fix the device to a suitable position through the boom 1. When it is necessary to tighten the annular workpiece, the equipment drives the cylinder 201 to control the extension of the gear rod 401. The gear rod 401 is arranged with teeth. The gear 501 on the claw 502 and the teeth on the gear rod 401 engage to increase the distance between the claws 502. When the annular workpiece is processed, the device is moved forward. After moving to the appropriate position, the cylinder 4 is driven again to shorten the gear rod 401. At this time, the gear 501 will drive the claw 502 to hold the annular workpiece. After completing the holding of the workpiece, the boom 1 is controlled to move backward to remove the workpiece. At this time, the drive motor 201 is controlled to drive the bearing base 3 to rotate and move the claw 502 carrying the annular workpiece to the bottom. The cylinder 4 is controlled to extend the gear rod 401 to release the claw 502 to remove the workpiece to complete this operation. Repeat the above steps to complete the holding of the annular workpiece. After the processing is completed, the drive motor 201 and the cylinder 4 can be turned off.

[0019] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention. The scope of protection claimed in this utility model is defined by the attached claims and their equivalents.

Claims

1. The ring workpiece positioning and holding device for machine tool processing is characterized by The device mainly comprises a boom (1), a base plate (2), a bearing base (3), a cylinder (4) and a chuck (5), wherein the base plate (2) is fixedly arranged at the bottom of the boom (1), the bearing base (3) is rotatably provided on the base plate (2), the bearing base (3) is rotatably provided below the base plate (2) in a triangular shape, the cylinder (4) is provided on two surfaces of the bearing base (3), the cylinder (4) is provided with a gear rod, and the front end of the cylinder (4) is provided with a chuck (5).

2. The annular workpiece positioning and holding device for machine tool processing according to claim 1, characterized in that The toothed rod (401) is provided with tooth patterns arranged on its surface. The toothed rod (401) is movable through the chuck (5). The chuck (5) is provided with claws (502) in a circumferential array. The claws (502) and the chuck (5) are hingedly connected. A gear (501) is provided at the lower end of the claw (502). The gear (501) and the claw (502) rotate coaxially.

3. The annular workpiece positioning and holding device for machine tool processing according to claim 2, characterized in that The teeth on the gear (501) and the gear rod (401) are meshed, and when the gear rod (401) is extended, the distance between the claws (502) increases, and when the gear rod (401) is shortened, the distance between the claws (502) decreases.

4. The annular workpiece positioning and holding device for machine tool processing according to claim 1, characterized in that A driving motor (201) is provided on the bearing base (3), and the driving motor (201) controls the rotation of the bearing base (3) through a shaft drive.