Milling clamp tool

By designing a milling fixture, utilizing multi-point positioning and detachable structure, the problem of difficult clamping operation of aerospace workpieces on a five-axis machine tool was solved, improving clamping efficiency and reducing production costs.

CN223656097UActive Publication Date: 2025-12-12DEYANG ZHONGMING CNC MASCH EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422874464.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-12-12
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

In the existing technology, when aerospace workpieces are machined on a five-axis machine tool, the complex structure and internal cavities make clamping operations difficult and inefficient.

Method used

A milling fixture tooling was designed, including a fixed base plate, a tooling back plate, a main support block and a secondary support block. By combining the main clamping parts and the secondary clamping parts, multi-point positioning and clamping of the workpiece can be achieved, adapting to different cavity sizes and depths. Combined with threaded connection and detachable structure, clamping efficiency is improved.

Benefits of technology

It enables stable clamping of workpieces with complex structures, improves clamping efficiency, facilitates machining on three-axis machine tools, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223656097U_ABST
    Figure CN223656097U_ABST
Patent Text Reader

Abstract

The utility model discloses a milling clamp tool which comprises a fixed bottom plate, a tool back plate is arranged on the fixed bottom plate, a first main supporting block is arranged on one side of the front face of the tool back plate in an outward extending mode, and a second main supporting block is detachably arranged on the other side of the front face of the tool back plate. A plurality of secondary supporting blocks are detachably arranged on the front face of the tool back plate and located between the first main supporting block and the second main supporting block, main clamping pieces are oppositely arranged on the first main supporting block and the second main supporting block, and secondary clamping pieces are arranged on the secondary supporting blocks. The clamping device has the advantages that one side of a workpiece is positioned through the main clamping piece on the first main supporting block, then the workpiece is positioned and clamped for the other time through the main clamping piece on the second main supporting block, and after the workpiece is stabilized, the middle of the workpiece is positioned and clamped through the auxiliary clamping piece on the auxiliary supporting block; therefore, stable clamping of the whole workpiece is achieved, clamping is convenient, and clamping efficiency is high.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of fixture and tooling technology, and in particular to a milling fixture and tooling. Background Technology

[0002] A fixture is a device used in mechanical manufacturing to fix a workpiece in the correct position for construction or inspection; it is also called a clamp.

[0003] In the existing technology, workpieces in the aerospace field often need to be processed by five-axis machine tools. Due to their complex structure, large length-to-width ratio, and complex internal cavities, the existing direct clamping methods are difficult to operate and have low clamping efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a milling fixture that solves the problems of difficult operation and low clamping efficiency of existing direct clamping methods for workpieces with complex structures and internal cavities.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A milling fixture includes a fixed base plate, a fixture back plate on the fixed base plate, a first main support block extending outward from one side of the front of the fixture back plate, a second main support block detachably provided on the other side of the front of the fixture back plate, and a plurality of secondary support blocks detachably provided on the front of the fixture back plate between the first and second main support blocks. The first and second main support blocks are provided with main clamping components facing each other, and the secondary support blocks are provided with secondary clamping components.

[0007] Furthermore, the main clamping component includes a main clamping block, the side wall of which is provided with a clamping plate adapted to the workpiece, and the main clamping block is threadedly connected to the main support block.

[0008] Furthermore, the secondary clamping component includes a movable plate, the upper end of which is provided with a clamping platform, and a secondary clamping plate adapted to the secondary support block is inserted into the clamping platform. The movable plate is threadedly connected to the secondary support block.

[0009] Furthermore, the tooling back plate is integrally formed with the fixed base plate, and the first main support block is integrally formed with the tooling back plate.

[0010] Furthermore, the fixed base plate has multiple slots on both sides for bolts to pass through.

[0011] Furthermore, the tooling back plate is equipped with a tool inspection table.

[0012] This utility model has the following advantages: the main clamping component on the first main support block positions one side of the workpiece, and then the main clamping component on the second main support block positions and clamps the workpiece again. After stabilization, the secondary clamping component on the secondary support block positions and clamps the middle part of the workpiece, thereby achieving stable clamping of the entire workpiece. The clamping is convenient and efficient. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the structure of this utility model without the main clamping block and the secondary clamping plate installed.

[0015] In the diagram, 1-fixed base plate, 2-tooling back plate, 3-first main support block, 4-second main support block, 5-secondary support block, 6-main clamping block, 7-clamping plate, 8-movable plate, 9-clamping platform, 10-secondary clamping plate, 11-slot, 12-tool inspection platform. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0018] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0019] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] refer to Figure 1-2 As shown, one embodiment of this utility model is as follows:

[0023] A milling fixture includes a fixed base plate 1, a fixture back plate 2 on the fixed base plate 1, a first main support block 3 extending outward from one side of the front of the fixture back plate 2, a second main support block 4 detachably provided on the other side of the front of the fixture back plate 2, and a plurality of secondary support blocks 5 detachably provided on the front of the fixture back plate 2 between the first main support block 3 and the second main support block 4. The first main support block 3 and the second main support block 4 are provided with main clamping components opposite to each other, and the secondary support blocks 5 are provided with secondary clamping components.

[0024] The workpiece's cavity opening is pre-placed on the secondary support block 5 and moves towards the tooling back plate. The main clamping component on the first main support block 3 positions one side of the workpiece, and then the main clamping component on the second main support block 4 positions and clamps the workpiece again. After stabilization, the secondary clamping component on the secondary support block 5 positions and clamps the middle part of the workpiece, thus achieving stable clamping of the entire workpiece. The clamping is convenient and efficient, and it is also easy to process on a three-axis machine tool, which helps to reduce production costs.

[0025] Specifically, the main clamping component includes a main clamping block 6, the side wall of which is provided with a clamping plate 7 adapted to the workpiece, and the main clamping block 6 is threadedly connected to the first main support block 3 or the second main support block 4.

[0026] The secondary clamping component includes a movable plate 8, with a clamping platform 9 at the upper end of the movable plate 8. A secondary clamping plate 10 adapted to the secondary support block 5 is inserted into the clamping platform 9, and the movable plate 8 is threadedly connected to the secondary support block 5.

[0027] The number of clamping plates 7 is determined according to the side wall cavity opening of the workpiece; by setting the movable plate 8 in conjunction with the secondary clamping plate 10 inserted on it, it can adapt to different cavity sizes or depths at different positions of the tooling, and has better adaptability.

[0028] Furthermore, the tooling back plate 2 is integrally formed with the fixed base plate 1, and the first main support block 3 is integrally formed with the tooling back plate 2.

[0029] The fixed base plate 1 has multiple slots 11 on both sides for bolts to pass through. The slots 11 facilitate the installation and fixing of the fixed base plate 1 to the machine tool.

[0030] The tooling back plate 2 is equipped with a tool inspection table 12. The tool inspection table 12 is used to verify the machining tools and trajectories to ensure machining quality.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A milling fixture, characterized in that: The fixture includes a fixed base plate, on which a tooling back plate is provided. A first main support block extends outward from one side of the front of the tooling back plate, and a second main support block is detachably provided on the other side of the front of the tooling back plate. Multiple secondary support blocks are detachably provided on the front of the tooling back plate between the first and second main support blocks. Main clamping components are provided opposite to the first and second main support blocks, and secondary clamping components are provided on the secondary support blocks.

2. The milling fixture according to claim 1, characterized in that: The main clamping component includes a main clamping block, the side wall of which is provided with a clamping plate adapted to the workpiece, and the main clamping block is threadedly connected to the main support block.

3. A milling fixture according to claim 1, characterized in that: The secondary clamping component includes a movable plate, the upper end of which is provided with a clamping platform. A secondary clamping plate adapted to the secondary support block is inserted into the clamping platform, and the movable plate is threadedly connected to the secondary support block.

4. A milling fixture according to claim 1, characterized in that: The tooling back plate is integrally formed with the fixed base plate, and the first main support block is integrally formed with the tooling back plate.

5. A milling fixture according to claim 1, characterized in that: The fixed base plate has multiple slots on both sides for bolts to pass through.

6. A milling fixture according to claim 1, characterized in that: The tooling back plate is equipped with a knife inspection table.