Anti-deformation clamp for thin-wall part machining
By designing an anti-deformation fixture, a sliding second clamping plate and an inner support are used to position and support thin-walled parts, solving the problem of deformation of thin-walled parts due to external forces during processing and improving processing quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENGDU COMBO MASCH CO LTD
- Filing Date
- 2025-06-06
- Publication Date
- 2026-05-08
AI Technical Summary
Thin-walled parts are prone to deformation during machining due to the force applied by the vise, which affects the quality.
An anti-deformation clamp was designed, including a mounting base, a first clamping plate and a second clamping plate. The second clamping plate is slidable and equipped with a positioning component and an inner support component. The positioning component positions the part, and the inner support component supports the inner wall of the part to prevent the outer wall from deforming under stress.
It effectively prevents deformation of thin-walled parts during processing and improves processing quality.
Smart Images
Figure CN224209522U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fixture technology, and in particular to an anti-deformation fixture for machining thin-walled parts. Background Technology
[0002] Thin-walled parts are commonly used components in mechanical equipment. For example, thin-walled pipe fittings are frequently used in gas or liquid transportation.
[0003] Thin-walled parts require surface finishing processes such as grinding or drilling during application. A vise is a general-purpose clamp used to hold and fix parts during machining. After the worker fixes the part in the vise, they can drill holes in it. However, some thin-walled pipe fittings have insufficient outer wall strength. When force is applied in the vise, the outer wall of the thin-walled pipe fitting is easily deformed, thus affecting the quality of the fitting. Utility Model Content
[0004] In view of the above problems, this utility model provides a deformation-resistant fixture for machining thin-walled parts.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0006] A deformation-resistant fixture for machining thin-walled parts is provided, comprising a mounting base, on which a first clamping plate and a second clamping plate are spaced apart, with an installation space between the first clamping plate and the second clamping plate for horizontally placing the thin-walled parts, the second clamping plate being slidably mounted on the mounting base along the length of the installation space, the mounting base being provided with a first driving member for driving the second clamping plate to move, the second clamping plate being provided with a positioning member for inserting into one end of the thin-walled parts, and the first clamping plate being provided with an inner support member for inserting into the inner side of the thin-walled parts.
[0007] Furthermore, the positioning component includes a first conical block, which is disposed on the side of the second clamping plate near the first clamping plate. One end of the first conical block is movably inserted into the thin-walled part, and the outer conical wall of the first conical block is in movable contact with the inner edge of the end of the thin-walled part.
[0008] Furthermore, the inner support includes a positioning cylinder disposed on the clamping plate and multiple support plates circumferentially spaced on the side wall of the positioning cylinder. The positioning cylinder is coaxial with the first conical block. The multiple support plates are slidably connected to the positioning cylinder along the radial direction of the positioning cylinder. The positioning cylinder is provided with multiple elastic elements that correspond one-to-one with and drive the support plates to move and approach the axis of the positioning cylinder. The positioning cylinder is also provided with a second driving element that drives the support plates to move and overcomes the elastic force to abut against the inner wall of the thin-walled part.
[0009] Furthermore, the second driving component includes a second conical block and a first screw fixed coaxially. The first screw is coaxially threaded to the inside of the positioning cylinder, and the conical surface of the second conical block slides in contact with the side of the support plate near the axis of the positioning cylinder. A first handle is connected to the end of the first screw away from the second conical block.
[0010] Furthermore, a flexible pad for pressing against the inner wall of the thin-walled part is provided on the side of the support plate away from the axis of the positioning cylinder.
[0011] Furthermore, the positioning cylinder is slidably connected to the first clamping plate of the first conical block along the axial direction. The first clamping plate is provided with a limiting member for restricting the movement of the positioning cylinder. The limiting member includes a second screw. The first clamping plate is provided with a through hole for the positioning cylinder to pass through. A second threaded hole with a size adapted to the second screw is provided through the inner wall of the through hole. The second screw is threadedly connected in the second threaded hole. One end of the second screw is movably abutting against the outer wall of the positioning cylinder. The other end of the second screw is connected to a second handle.
[0012] The beneficial effects of this utility model are as follows: thin-walled parts of the pipe type are horizontally placed between the first clamping plate and the second clamping plate, and the second clamping plate is moved to cooperate with the first clamping plate to clamp and fix the thin-walled parts; during the clamping process, the position of the thin-walled parts on the second clamping plate can be positioned by the positioning member, and the inner support member inserted into the thin-walled parts can support the inner wall of the parts, which has the effect of improving the processing quality of thin-walled parts. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of an anti-deformation fixture for machining thin-walled parts according to an embodiment of this application.
[0014] Figure 2 This is a schematic diagram of another perspective of a deformation-resistant fixture for machining thin-walled parts according to an embodiment of this application.
[0015] Figure 3 This is a cross-sectional view of the first clamping plate of an anti-deformation fixture for machining thin-walled parts according to an embodiment of this application.
[0016] Figure 4 This is a schematic diagram of the inner support structure of an anti-deformation fixture for machining thin-walled parts according to an embodiment of this application.
[0017] Figure 5 This is a schematic diagram of the internal structure of the positioning cylinder of an anti-deformation fixture for machining thin-walled parts according to an embodiment of this application.
[0018] The components are as follows: 1. Mounting base; 11. Slide groove; 2. First clamping plate; 3. Second clamping plate; 4. First driving component; 41. Third screw; 42. Slide seat; 5. Positioning component; 51. First conical block; 6. Inner support component; 61. Positioning cylinder; 62. Support plate; 63. Elastic component; 7. Second driving component; 71. Second conical block; 72. First screw; 8. Flexible pad; 9. Second screw. Detailed Implementation
[0019] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.
[0020] This application discloses an anti-deformation fixture for machining thin-walled parts, referring to... Figure 1 , Figure 2 and Figure 3 The system includes a mounting base 1, on which a first clamping plate 2 and a second clamping plate 3 are spaced apart, with a space between the first clamping plate 2 and the second clamping plate 3 for horizontally placing the thin-walled part. The second clamping plate 3 is slidably mounted on the mounting base 1 along the length of the mounting space. The mounting base 1 is provided with a first driving member 4 for moving the second clamping plate 3. The second clamping plate 3 is provided with a positioning member 5 for inserting into one end of the thin-walled part, and the first clamping plate 2 is provided with an inner support member 6 for inserting into the inside of the thin-walled part.
[0021] In this embodiment, the first driving member 4 includes a third screw 41 and a slide 42. The slide 42 is slidably mounted on the mounting base 1 in a direction parallel to the movement of the second clamping plate 3, and the mounting base 1 has a groove 11 for sliding the slide 42. The third screw 41 is rotatably mounted in the groove 11, and one end of the third screw 41 extends to the outside of the mounting base 1 and is connected to a third handle. The slide 42 has a first threaded hole with a size adapted to the third screw 41.
[0022] When using this fixture, thin-walled tubular parts can be horizontally placed between the first clamping plate 2 and the second clamping plate 3, and the second clamping plate 3 can be moved to cooperate with the first clamping plate 2 to clamp and fix the thin-walled parts. During the clamping process, the positioning member 5 can position the thin-walled parts on the second clamping plate 3, and the inner support member 6 inserted into the thin-walled parts can support the inner wall of the parts. This anti-deformation fixture for machining thin-walled parts, as disclosed in this application, will not apply force to the outer wall of the thin-walled parts and cause deformation when used for machining thin-walled tubular parts, thus improving the machining quality of thin-walled parts.
[0023] Specifically, the positioning component 5 includes a first conical block 51, which is bolted to the side of the second clamping plate 3 near the first clamping plate 2. One end of the first conical block 51 is movably inserted into the thin-walled part, and the outer conical wall of the first conical block 51 is in movable contact with the inner edge of the end of the thin-walled part.
[0024] In this embodiment, when the second clamping plate 3 moves and cooperates with the first clamping plate 2 to clamp and fix the thin-walled part, one end of the first conical block 51 can be inserted into the inner side of the thin-walled part, and the conical outer wall of the first conical block 51 contacts the inner edge of the end of the thin-walled part, so that the thin-walled part and the first conical block 51 are coaxial, thereby achieving the purpose of positioning.
[0025] Reference Figure 4 and Figure 5 The inner support member 6 includes a positioning cylinder 61 mounted on the clamping plate and multiple support plates 62 circumferentially spaced on the sidewalls of the positioning cylinder 61. The positioning cylinder 61 is coaxial with the first conical block 51. The multiple support plates 62 are radially slidably connected to the positioning cylinder 61. Multiple elastic members 63 are provided inside the positioning cylinder 61 to correspond one-to-one with and drive the support plates 62 to move closer to the axis of the positioning cylinder 61. A second driving member 7 is also provided inside the positioning cylinder 61 to drive the support plates 62 to move and overcome the elastic force to abut against the inner wall of the thin-walled part.
[0026] In this embodiment, the elastic element 63 includes multiple springs disposed between the support plate 62 and the inner wall of the positioning cylinder 61. The spring force drives the support plate 62 to move and approach the axis of the positioning cylinder 61. After the first clamping plate 2 and the second clamping plate 3 clamp and position the thin-walled part, the second driving element 7 drives the multiple support plates 62 to move and overcome the spring force, so that one side of the support plate 62 can abut against the inner wall of the thin-walled part, achieving a supporting function.
[0027] Specifically, the second driving component 7 includes a second conical block 71 and a first screw 72 that are coaxially and integrally fixed. The first screw 72 is coaxially threaded to the inside of the positioning cylinder 61, and the conical surface of the second conical block 71 slides in contact with the side of the support plate 62 near the axis of the positioning cylinder 61. A first handle is welded to the end of the first screw 72 away from the second conical block 71.
[0028] In this embodiment, rotating the first screw 72 can drive the second conical block 71 to move axially along the positioning cylinder 61. By moving the second conical block 71 and pressing the support plate 62, the support plate 62 can move and abut against the inner wall of the thin-walled part.
[0029] To prevent the support plate 62 from causing wear on the inner wall of the thin-walled part, a flexible pad 8 is attached to the side of the support plate 62 away from the axis of the positioning cylinder 61 for pressing contact with the inner wall of the thin-walled part.
[0030] Furthermore, the positioning cylinder 61 is slidably connected to the first clamping plate 2 along the axial direction of the first conical block 51. The first clamping plate 2 is provided with a limiting member for restricting the movement of the positioning cylinder 61. The limiting member includes a second screw 9. The first clamping plate 2 has a through hole for the positioning cylinder 61 to pass through, and a second threaded hole with a size adapted to the second screw 9 is formed through the inner wall of the through hole. The second screw 9 is threadedly connected in the second threaded hole, and one end of the second screw 9 is in movable contact with the outer wall of the positioning cylinder 61. A second handle is welded to the other end of the second screw 9.
[0031] In this embodiment, the operator can move the positioning cylinder 61 according to the length of the thin-walled part to adjust the position of the support plate 62 inside the thin-walled part. After the positioning cylinder 61 has moved, the second screw 9 is rotated and made to abut against the outer wall of the positioning cylinder 61, which can restrict the movement of the positioning cylinder 61.
[0032] The implementation principle of the anti-deformation fixture for processing thin-walled parts according to an embodiment of this application is as follows: When using this fixture, thin-walled parts of the pipe type can be horizontally placed between the first clamping plate 2 and the second clamping plate 3, and the second clamping plate 3 can be moved to cooperate with the first clamping plate 2 to clamp and fix the thin-walled parts; during the clamping process, the position of the thin-walled parts on the second clamping plate 3 can be positioned by the positioning member 5, and the inner support member 6 inserted into the thin-walled parts can support the inner wall of the parts, which has the effect of improving the processing quality of thin-walled parts.
[0033] Those skilled in the art will understand that although preferred embodiments of the present invention have been described, those skilled in the art, once they understand the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention. Clearly, those skilled in the art can make various alterations and modifications to the present invention without departing from its spirit and scope. Thus, if these modifications and modifications of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention also intends to include these modifications and modifications.
Claims
1. A deformation-resistant fixture for machining thin-walled parts, characterized in that: The device includes a mounting base (1), on which a first clamping plate (2) and a second clamping plate (3) are spaced apart. There is an installation space between the first clamping plate (2) and the second clamping plate (3) for horizontally placing thin-walled parts. The second clamping plate (3) is slidably mounted on the mounting base (1) along the length of the installation space. The mounting base (1) is provided with a first driving member (4) for driving the second clamping plate (3) to move. The second clamping plate (3) is provided with a positioning member (5) for inserting into one end of the thin-walled part. The first clamping plate (2) is provided with an inner support member (6) for inserting into the inner side of the thin-walled part.
2. The anti-deformation fixture for machining thin-walled parts according to claim 1, characterized in that: The positioning element (5) includes a first conical block (51), which is disposed on the side of the second clamping plate (3) near the first clamping plate (2). One end of the first conical block (51) is movably inserted into the thin-walled part, and the conical outer wall of the first conical block (51) is in movable contact with the inner edge of the end of the thin-walled part.
3. The anti-deformation fixture for machining thin-walled parts according to claim 2, characterized in that: The inner support member (6) includes a positioning cylinder (61) disposed on the clamping plate and a plurality of support plates (62) circumferentially spaced on the side wall of the positioning cylinder (61). The positioning cylinder (61) is coaxial with the first conical block (51). The plurality of support plates (62) are slidably connected to the positioning cylinder (61) radially. The positioning cylinder (61) is provided with a plurality of elastic members (63) for corresponding to and driving the support plates (62) to move and approach the axis of the positioning cylinder (61). The positioning cylinder (61) is provided with a second driving member (7) for driving the support plates (62) to move and overcome the elastic force to abut against the inner wall of the thin-walled part.
4. The anti-deformation fixture for machining thin-walled parts according to claim 3, characterized in that: The second driving component (7) includes a second conical block (71) and a first screw (72) coaxially fixed. The first screw (72) is coaxially threaded to the inside of the positioning cylinder (61), and the conical surface of the second conical block (71) slides in contact with the side of the support plate (62) near the axis of the positioning cylinder (61). A first handle is connected to the end of the first screw (72) away from the second conical block (71).
5. A deformation-resistant fixture for machining thin-walled parts according to claim 3, characterized in that: The support plate (62) is provided with a flexible pad (8) on the side away from the axis of the positioning cylinder (61) for extrusion contact with the inner wall of the thin-walled part.
6. The anti-deformation fixture for machining thin-walled parts according to claim 3, characterized in that: The positioning cylinder (61) is slidably connected to the first clamping plate (2) of the first conical block (51) along the axial direction. The first clamping plate (2) is provided with a limiting member for restricting the movement of the positioning cylinder (61). The limiting member includes a second screw (9). The first clamping plate (2) is provided with a through hole for the positioning cylinder (61) to pass through. A second threaded hole with a size adapted to the second screw (9) is provided through the inner wall of the through hole. The second screw (9) is threadedly connected in the second threaded hole. One end of the second screw (9) is in movable contact with the outer wall of the positioning cylinder (61). The other end of the second screw (9) is connected to a second handle.