Multi-station pneumatic clamp for milling machine
By designing the clamping and limiting mechanism of multi-station pneumatic fixtures, the problem of workpiece offset in milling machine processing is solved, and four-sided clamping and rectangular plates are achieved, which improves machining stability and accuracy.
Patent Information
- Application Number
- CN202420539846.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-03-20
AI Technical Summary
Common milling machine fixtures can only clamp both sides of the workpiece, resulting in possible offsets during processing, reducing machining accuracy.
A multi-station pneumatic fixture for milling machines is designed, including a clamping mechanism and a limiting mechanism. The clamping mechanism is clamped on all four sides through components such as cylinders, rectangular plates, support frames, movable plates and springs, and through limiting grooves and The limit block ensures that the rectangular plate moves in a straight line and improves stability.
The workpiece is synchronously clamped in four sides, which enhances machining stability, avoids offsets, and improves the milling machine machining accuracy and device practicality.
Smart Images

Figure CN222221891U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamps, in particular to a multi-station pneumatic clamp for a milling machine. Background Art
[0002] Milling machine is a common metal processing equipment, which uses the tool to rotate and move on the workpiece to remove material and form the desired shape and surface. Milling machine is widely used in manufacturing and processing industries in various fields, such as automobile manufacturing, aerospace, mold manufacturing, etc.
[0003] With the development of science and technology, milling machines are gradually applied to multiple fields. During the process of machining workpieces, milling machines usually use fixtures to clamp and limit the workpieces, so as to ensure the stability of the workpiece support and positioning. However, common fixtures can only clamp the two sides of the workpiece, and cannot clamp the four sides of the workpiece synchronously. This may still cause offset, thereby reducing the accuracy of the milling machine during the machining process. Utility Model Content
[0004] The utility model aims to provide a multi-station pneumatic clamp for a milling machine to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above object, the utility model provides the following technical solution: a multi-station pneumatic clamp for a milling machine, comprising an installation box, a clamping mechanism is arranged inside the installation box, a limiting mechanism is arranged on one side of the clamping mechanism, and an installation plate is fixedly connected to the outer wall of the installation box;
[0006] The clamping mechanism includes a cylinder, which is fixedly connected to the bottom of the inner wall of the installation box, a rectangular plate is fixedly connected to the top of the cylinder, a support frame is fixedly connected to the outer side of the rectangular plate, a movable plate is provided on the inner side of the support frame, a connecting plate is provided on the outer side of the movable plate, a connecting block is fixedly connected to one side of the connecting plate, an L-shaped block is fixedly connected to the top of the connecting block, a clamping plate is fixedly connected to one side of the L-shaped block, a fixed block is fixedly connected to the top of the inner wall of the installation box, a sliding rod is fixedly connected to the inner wall of the installation box, and a spring is sleeved on the outer wall of the sliding rod.
[0007] Preferably, a sliding hole is provided inside the connecting block, and the connecting block is slidably connected to the outer wall of the sliding rod through the sliding hole, so that the connecting block can move stably.
[0008] Preferably, the spring is fixedly connected to the inner wall of the installation box, and one end of the spring away from the inner wall of the installation box is fixedly connected to one side of the connecting block, so that the sliding rod can compress the spring.
[0009] Preferably, a long opening is provided on the top of the installation box, and the L-shaped block passes through the long opening, so that the L-shaped block can be moved through the long opening.
[0010] Preferably, the slide rod is fixedly connected to the inner wall of the fixed block, and the slide rod is sleeved on the inner ring of the spring to support the slide rod and the spring.
[0011] Preferably, a long axis 1 is fixedly connected inside the support frame, and the movable plate is rotatably connected to the outer wall of the long axis 1, so that the movable plate can move.
[0012] Preferably, the connecting plate is fixedly connected to the interior of the second long axis, and the movable plate is rotatably connected to the outer wall of the second long axis, so that the movable plate can push the connecting plate to move.
[0013] Preferably, the limiting mechanism includes a support plate, which is fixedly connected to the inner wall of the installation box, and a long block is fixedly connected to the top of the support plate. A limiting groove is provided inside the long block, and the inner wall of the limiting groove is slidably connected to the limiting block, thereby further improving the stability of the device during operation.
[0014] Preferably, four limit blocks are provided, and the four limit blocks are respectively fixedly connected to the outer sides of the rectangular plate to improve the stability of the movement of the rectangular plate.
[0015] Compared with the prior art, the utility model provides a multi-station pneumatic clamp for a milling machine, which has the following beneficial effects:
[0016] 1. The milling machine uses a multi-station pneumatic clamp. Through the clamping mechanism, the corresponding four clamping plates can be moved towards the direction close to the workpiece, and the four sides of the workpiece can be clamped and limited at the same time. Under the elastic action of the spring, the clamping plates can be reset more stably, ensuring the stability of the milling machine during the workpiece processing process, so that it will not easily shake or deviate.
[0017] 2. The milling machine uses a multi-station pneumatic clamp, which ensures the stability of the rectangular plate during the lifting process through the setting of the limit mechanism, so that it can only move along a straight line, further improving the stability of the movement, ensuring that the device can operate better, and enhancing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:
[0019] Figure 1 This is a front view of the structure of the utility model;
[0020] Figure 2This is a top view of the structure of the utility model;
[0021] Figure 3 It is a structural schematic diagram of the clamping mechanism;
[0022] Figure 4 This is a bottom sectional view of the structure of the utility model;
[0023] Figure 5 This is a schematic diagram of the enlarged structure of the long block.
[0024] In the figure: 1. installation box; 2. clamping mechanism; 21. cylinder; 22. rectangular plate; 23. support frame; 24. movable plate; 25. connecting plate; 26. connecting block; 27. L-shaped block; 28. clamping plate; 29. fixed block; 201. slide rod; 202. spring; 3. limiting mechanism; 31. support plate; 32. long block; 33. limiting groove; 34. limiting block; 4. installation plate. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0027] The utility model provides the following technical solutions:
[0028] Embodiment 1
[0029] Combination Figures 1 to 5 A multi-station pneumatic clamp for a milling machine includes an installation box 1, a clamping mechanism 2 is arranged inside the installation box 1, a limiting mechanism 3 is arranged on one side of the clamping mechanism 2, and a mounting plate 4 is fixedly connected to the outer wall of the installation box 1;
[0030] The clamping mechanism 2 includes a cylinder 21, which is fixedly connected to the bottom of the inner wall of the installation box 1, a rectangular plate 22 is fixedly connected to the top of the cylinder 21, a support frame 23 is fixedly connected to the outer side of the rectangular plate 22, a movable plate 24 is arranged on the inner side of the support frame 23, a connecting plate 25 is arranged on the outer side of the movable plate 24, a connecting block 26 is fixedly connected to one side of the connecting plate 25, an L-shaped block 27 is fixedly connected to the top of the connecting block 26, a clamping plate 28 is fixedly connected to one side of the L-shaped block 27, a fixed block 29 is fixedly connected to the top of the inner wall of the installation box 1, a slide rod 201 is fixedly connected to the inner wall of the installation box 1, and a spring 202 is sleeved on the outer wall of the slide rod 201.
[0031] Furthermore, a sliding hole is provided inside the connecting block 26 , and the connecting block 26 is slidably connected to the outer wall of the sliding rod 201 through the sliding hole, so that the connecting block 26 can move stably.
[0032] Furthermore, the spring 202 is fixedly connected to the inner wall of the installation box 1 , and one end of the spring 202 away from the inner wall of the installation box 1 is fixedly connected to one side of the connecting block 26 , so that the slide rod 201 can compress the spring 202 .
[0033] Furthermore, a long opening is provided on the top of the installation box 1, and the L-shaped block 27 passes through the long opening, so that the L-shaped block 27 can be moved through the long opening.
[0034] Furthermore, the slide bar 201 is fixedly connected to the inner wall of the fixed block 29 , and the slide bar 201 is sleeved on the inner circle of the spring 202 , so as to support the slide bar 201 and the spring 202 .
[0035] Furthermore, the support frame 23 is fixedly connected with a long axis 1 inside, and the movable plate 24 is rotatably connected to the outer wall of the long axis 1, so that the movable plate 24 can move.
[0036] Furthermore, the connecting plate 25 is fixedly connected with the second long axis inside, and the movable plate 24 is rotatably connected to the outer wall of the second long axis, so that the movable plate 24 can push the connecting plate 25 to move.
[0037] Embodiment 2
[0038] See also Figures 1 to 5 On the basis of the first embodiment, the limiting mechanism 3 further comprises a support plate 31, the support plate 31 is fixedly connected to the inner wall of the installation box 1, a long block 32 is fixedly connected to the top of the support plate 31, a limiting groove 33 is provided inside the long block 32, and the inner wall of the limiting groove 33 is slidably connected to the limiting block 34, thereby further improving the stability of the device during operation.
[0039] Furthermore, four limit blocks 34 are provided, and the four limit blocks 34 are respectively fixedly connected to the outer sides of the rectangular plate 22 to improve the stability of the movement of the rectangular plate 22 .
[0040] In actual operation, when the device is used, first, the staff can install the device at a suitable position of the milling machine through the mounting plate 4, and then start the cylinder 21 to work, so that the cylinder 21 can drive the rectangular plate 22 to rise. At this time, under the mutual cooperation of the long axis 1 and the long axis 2, the movable plate 24 can push the connecting block 26 to slide on the outer wall of the slide rod 201 through the connecting plate 25 and compress the spring 202. Then, the workpiece to be processed by the milling machine is placed on the inner side of the clamping plate 28, and the cylinder 21 is started again to drive the rectangular plate 22 to descend, so that the corresponding four clamping plates 28 can move in the direction close to the workpiece, and the four sides of the workpiece can be clamped and limited at the same time. Under the elastic action of the spring 202, the clamping plate 28 can be better and more stably reset, ensuring the stable performance of the milling machine during the processing of the workpiece, so that it will not easily shake or deviate.
[0041] At the same time, during the movement of the rectangular plate 22, the limit block 34 will be driven to slide stably on the inner wall of the limit groove 33, thereby ensuring the stability of the rectangular plate 22 during the lifting process, so that it can only move along a straight line, further improving the stability of the movement, ensuring that the device can operate better, and enhancing the practicality of the device.
[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
Claims
1. A multi-station pneumatic clamp for a milling machine, comprising a mounting box (1), characterized in that: A clamping mechanism (2) is provided inside the installation box (1), a limiting mechanism (3) is provided on one side of the clamping mechanism (2), and a mounting plate (4) is fixedly connected to the outer wall of the installation box (1); The clamping mechanism (2) comprises a cylinder (21), the cylinder (21) is fixedly connected to the bottom of the inner wall of the installation box (1), the top of the cylinder (21) is fixedly connected to a rectangular plate (22), the outer side of the rectangular plate (22) is fixedly connected to a support frame (23), the inner side of the support frame (23) is provided with a movable plate (24), the outer side of the movable plate (24) is provided with a connecting plate (25), one side of the connecting plate (25) is fixedly connected to a connecting block (26), the top of the connecting block (26) is fixedly connected to an L-shaped block (27), one side of the L-shaped block (27) is fixedly connected to a clamping plate (28), the top of the inner wall of the installation box (1) is fixedly connected to a fixed block (29), the inner wall of the installation box (1) is fixedly connected to a sliding rod (201), and the outer wall of the sliding rod (201) is sleeved with a spring (202).
2. The multi-station pneumatic clamp for a milling machine according to claim 1, characterized in that: A sliding hole is provided inside the connection block (26), and the connection block (26) is slidably connected to the outer wall of the sliding rod (201) through the sliding hole.
3. The multi-station pneumatic clamp for a milling machine according to claim 1, characterized in that: The spring (202) is fixedly connected to the inner wall of the installation box (1), and one end of the spring (202) away from the inner wall of the installation box (1) is fixedly connected to one side of the connection block (26).
4. The multi-station pneumatic clamp for a milling machine according to claim 1, characterized in that: The top of the installation box (1) is provided with a long opening, and the L-shaped block (27) passes through the long opening.
5. The multi-station pneumatic clamp for a milling machine according to claim 1, characterized in that: The slide bar (201) is fixedly connected to the inner wall of the fixed block (29), and the slide bar (201) is sleeved on the inner ring of the spring (202).
6. The multi-station pneumatic clamp for a milling machine according to claim 1, characterized in that: The support frame (23) is fixedly connected to a long axis one inside, and the movable plate (24) is rotatably connected to the outer wall of the long axis one.
7. The multi-station pneumatic clamp for a milling machine according to claim 1, characterized in that: The connecting plate (25) is fixedly connected to the second long axis inside, and the movable plate (24) is rotatably connected to the outer wall of the second long axis.
8. The multi-station pneumatic clamp for a milling machine according to claim 1, characterized in that: The limiting mechanism (3) comprises a support plate (31), the support plate (31) is fixedly connected to the inner wall of the installation box (1), a long block (32) is fixedly connected to the top of the support plate (31), a limiting groove (33) is provided inside the long block (32), and the inner wall of the limiting groove (33) is slidably connected to the limiting block (34).
9. The multi-station pneumatic clamp for a milling machine according to claim 8, characterized in that: Four limit blocks (34) are provided, and the four limit blocks (34) are respectively fixedly connected to the outer side of the rectangular plate (22).
