CN220408191U - Polishing clamp for special-shaped parts - Google Patents
Polishing clamp for special-shaped parts Download PDFInfo
- Publication number
- CN220408191U CN220408191U CN202321314314.XU CN202321314314U CN220408191U CN 220408191 U CN220408191 U CN 220408191U CN 202321314314 U CN202321314314 U CN 202321314314U CN 220408191 U CN220408191 U CN 220408191U
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- China
- Prior art keywords
- special
- vacuum
- bottom support
- polishing
- shaped part
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- 238000005498 polishing Methods 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 238000001179 sorption measurement Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000007517 polishing process Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011387 rubberized asphalt concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model provides a polishing clamp for special-shaped parts, relates to the technical field of polishing clamps, and solves the technical problem that pressure relief and clamping are unstable during machining of special-shaped lenses in the prior art. The device comprises a connecting device, a clamping seat and a vacuum assembly; the clamping seat is arranged at the lower end of the connecting device, the vacuum component is arranged in the connecting device in a penetrating way, the bottom of the clamping seat is provided with a clamping groove, and the clamping groove is communicated with the vacuum component; the vacuum component is introduced with negative pressure to form vacuum, the special-shaped part is firmly adsorbed in the clamping groove of the clamping seat by the vacuum negative pressure, and the clamping groove is correspondingly matched with the outer side contour of the special-shaped part to avoid pressure relief; meanwhile, the special-shaped part is pushed out of the clamping groove by a certain distance under the action of the polishing liquid in the vacuum assembly, so that the polishing surface of the special-shaped part is fully contacted with the polishing device at the processing position, and the polishing reliability and effectiveness are ensured.
Description
Technical Field
The utility model relates to the technical field of polishing clamps, in particular to a polishing clamp for special-shaped parts.
Background
Common lens polishing is a regular round lens, a special-shaped lens is used as a special type, the special-shaped lens can only be polished by a traditional asphalt rubber plate, a solution is not good for special-shaped parts in a CNC polishing mode, and the phenomenon of pressure relief and infirm clamping can occur when the special-shaped parts are clamped by the traditional CNC polishing clamp, so that the design of the polishing clamp capable of meeting the CNC mode for polishing the special-shaped parts is very necessary.
Disclosure of Invention
The utility model aims to provide a polishing clamp for special-shaped parts, which solves the technical problems of pressure relief and unstable clamping during processing of special-shaped lenses in the prior art. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a polishing clamp for special-shaped parts, which comprises a connecting device, a clamping seat and a vacuum assembly, wherein the connecting device is arranged on the clamping seat; the clamping seat is arranged at the lower end of the connecting device, the vacuum assembly penetrates through the connecting device, the bottom of the clamping seat is provided with a clamping groove, and the clamping groove is communicated with the vacuum assembly.
Preferably, the connecting device comprises a first bottom support and a second bottom support, the second bottom support is arranged at the lower end of the first bottom support, and the clamping seat is detachably sleeved at the lower end of the second bottom support.
Preferably, one end of the first bottom support is provided with a connecting shaft, the other end of the first bottom support is provided with a limiting disc, the lower end of the connecting shaft extends out of the bottom of the first bottom support to form a positioning seat, the second bottom support is arranged at the lower end of the first bottom support, the upper end of the second bottom support is provided with a positioning hole matched with the positioning seat, and the upper surface of the second bottom support is attached to the lower surface of the limiting disc.
Preferably, an annular gasket is arranged at the bottom of the second bottom support, and the annular gasket is located in the clamping groove.
Preferably, the vacuum assembly comprises a vacuum tube and an adsorption cavity, the vacuum tube penetrates through the inner center of the first bottom support, the adsorption cavity is arranged at the lower end of the vacuum tube, and the adsorption cavity is respectively communicated with the vacuum tube and the clamping groove.
Preferably, the vacuum tube comprises a polishing liquid channel, a vacuum channel and a main pipeline, wherein the polishing liquid channel and the vacuum channel are respectively communicated with one end of the main pipeline, and the other end of the main pipeline is communicated with the adsorption cavity.
Preferably, a limit flange is arranged on the second bottom support in the circumferential direction, and the inner wall of the clamping seat is matched with the limit flange.
Preferably, the annular gasket is a rubber material.
According to the special-shaped part polishing clamp provided by the utility model, the clamping seat is fixed at the clamping head of the machine tool by the connecting device, the special-shaped part is clamped in the clamping groove, at the moment, negative pressure is introduced into the vacuum assembly to form vacuum, the special-shaped part is stably adsorbed in the clamping groove of the clamping seat by the vacuum negative pressure, and the clamping groove is correspondingly matched with the outer side contour of the special-shaped part, so that pressure relief is avoided; during polishing, the special-shaped part is placed in the processing part under the adsorption of the vacuum component and the clamping connection of the clamping groove, when the special-shaped part is placed in the processing position, the polishing liquid is introduced after the vacuum negative pressure in the vacuum component is closed, and at the moment, the special-shaped part loses the adsorption force and is pushed out of the clamping groove by a certain distance under the action of the polishing liquid, so that the polishing surface of the special-shaped part is fully contacted with the polishing device at the processing position, the polishing reliability and the polishing effectiveness are ensured, the special-shaped part is limited by the clamping groove, and the error caused by the sliding of the position of the special-shaped part in the polishing process is avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a polishing jig for a special-shaped part according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a polishing jig for a special-shaped part according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a CNC polishing of a card holder and a part in a shaped part according to an embodiment of the present utility model.
1, a connecting device; 11. a first shoe; 12. a second shoe; 13. a connecting shaft; 14. a limit disc; 15. a positioning seat; 16. an annular gasket; 17. a limit flange; 2. a clamping seat; 21. a clamping groove; 3. a vacuum assembly; 31. a vacuum tube; 32. an adsorption chamber; 4. and polishing the die.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
Hereinafter, embodiments will be described with reference to the drawings. Furthermore, the embodiments shown below do not limit the summary of the utility model described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the utility model described in the claims.
Referring to fig. 1 to 3, the present embodiment provides a polishing fixture for a special-shaped part, comprising a connecting device 1, a clamping seat 2 and a vacuum component 3; the cassette 2 sets up the lower extreme at connecting device 1, and vacuum assembly 3 runs through the setting in connecting device 1, and cassette 2 bottom is provided with joint groove 21, and joint groove 21 is linked together with vacuum assembly 3.
The connecting device 1 is used for fixing the clamping seat 2 at the clamping head of the machine tool, placing the special-shaped part in the clamping groove 21 for clamping, introducing negative pressure into the vacuum assembly 3 to form vacuum, and firmly adsorbing the special-shaped part in the clamping groove 21 of the clamping seat 2 by the vacuum negative pressure, wherein the clamping groove 21 is correspondingly matched with the outer side contour of the special-shaped part to avoid pressure relief; the polishing mold 4 is arranged below the clamping seat 2, and the surface of the special-shaped part is polished through the polishing mold 4. During polishing, the special-shaped part is placed in the processing part under the adsorption of the vacuum component 3 and the clamping of the clamping groove 21, when the special-shaped part is placed in the processing position, the polishing liquid is introduced after the vacuum negative pressure in the vacuum component 3 is closed, and at the moment, the special-shaped part loses the adsorption force and is pushed out of the clamping groove 21 by a certain distance under the action of the polishing liquid, so that the polishing surface of the special-shaped part is fully contacted with the polishing mold 4 in the processing position, the polishing reliability and the polishing effectiveness are ensured, the clamping groove 21 limits the special-shaped part, and the error caused by the sliding of the position of the special-shaped part in the polishing process is avoided.
As an alternative embodiment, the connecting device 1 comprises a first bottom bracket 11 and a second bottom bracket 12, the second bottom bracket 12 is arranged at the lower end of the first bottom bracket 11, and the clamping seat 2 is detachably sleeved at the lower end of the second bottom bracket 12.
As an alternative embodiment, one end of the first collet 11 is provided with a connecting shaft 13, the other end of the first collet 11 is provided with a limiting disc 14, the lower end of the connecting shaft 13 extends out of the bottom of the first collet 11 to form a positioning seat 15, the second collet 12 is arranged at the lower end of the first collet 11, the upper end of the second collet 12 is provided with a positioning hole matched with the positioning seat 15, and the upper surface of the second collet 12 is attached to the lower surface of the limiting disc 14.
The clamping seat 2 is fixed below the machine tool chuck through the first bottom support 11 and the second bottom support 12, the connecting shaft 13 is fixedly connected with the machine tool chuck, the limiting disc 14 and the positioning seat 15 limit the second bottom support 12 together, the second bottom support 12 and the first bottom support 11 are guaranteed to be tightly attached, the vacuum assembly 3 is enabled to be communicated in an aligned mode through the positioning seat 15, the smoothness of a channel during vacuum adsorption or polishing liquid introduction is guaranteed, and the reliability of special-shaped parts during clamping is further improved.
As an alternative embodiment, the bottom of the second shoe 12 is provided with an annular gasket 16, and the annular gasket 16 is located in the clamping groove 21, and the annular gasket 16 is made of rubber material.
The special-shaped part is protected through the annular gasket 16, collision caused by contact between the special-shaped part and the inner wall of the second bottom support 12 is prevented, support and buffering are provided for the special-shaped part, and damage to the special-shaped part is avoided; meanwhile, the annular gasket 16 has certain elasticity, is more fully attached to the special-shaped part, provides good air tightness in the vacuum adsorption process, and avoids the phenomena of pressure relief and infirm clamping.
As an alternative embodiment, the vacuum assembly 3 includes a vacuum tube 31 and an adsorption cavity 32, the vacuum tube 31 is penetratingly disposed at an inner center of the first base 11, the adsorption cavity 32 is disposed at a lower end of the vacuum tube 31, and the adsorption cavity 32 is respectively communicated with the vacuum tube 31 and the clamping groove 21.
As an alternative embodiment, the vacuum tube 31 includes a polishing liquid passage, a vacuum passage, and a main pipe, the polishing liquid passage and the vacuum passage being respectively communicated with one end of the main pipe, and the other end of the main pipe being communicated with the adsorption chamber 32.
When the special-shaped part is clamped, negative pressure is introduced through the vacuum channel of the vacuum tube 31, and negative pressure vacuum is formed in the vacuum channel, the main pipeline and the adsorption cavity 32 in sequence, so that the special-shaped part is adsorbed, and the adsorption surface of the special-shaped part is increased through the adsorption cavity 32, so that the adsorption is more stable and reliable; after the special-shaped part is placed at the processing position, the vacuum channel is closed, the polishing liquid channel is opened, the polishing liquid sequentially passes through the main pipeline and the adsorption cavity 32 to act on the special-shaped part from the polishing liquid channel, and under the thrust action of the polishing liquid, the special-shaped part is fully contacted with the polishing mold 4, so that the reliability and the effectiveness of polishing are ensured.
As an alternative embodiment, the second shoe 12 is provided with a limit flange 17 in the circumferential direction, and the inner wall of the clamping seat 2 is matched with the limit flange 17.
The position relation of the clamping seat 2 in the axial direction of the second bottom support 12 is positioned through the limiting flange 17, so that the depth of the clamping groove 21 is limited, the phenomenon that the abnormal part cannot be sufficiently polished due to insufficient contact when the abnormal part falls off or is too deep caused by too shallow clamping groove 21 is avoided, the depth of the abnormal part when clamped in the clamping groove 21 is kept in a proper range, and the clamping reliability and the polishing effectiveness in the polishing process of the abnormal part are ensured.
It should be noted that, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used herein for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description herein, it should also be noted that the terms "mounted," "connected," "coupled," and "connected," are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example, unless otherwise specifically indicated and defined; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (4)
1. The special-shaped part polishing clamp is characterized by comprising a connecting device (1), a clamping seat (2) and a vacuum component (3); the clamping seat (2) is arranged at the lower end of the connecting device (1), the vacuum component (3) is arranged in the connecting device (1) in a penetrating way, a clamping groove (21) is formed in the bottom of the clamping seat (2), and the clamping groove (21) is communicated with the vacuum component (3);
the connecting device (1) comprises a first bottom support (11) and a second bottom support (12), the second bottom support (12) is arranged at the lower end of the first bottom support (11), and the clamping seat (2) is detachably sleeved at the lower end of the second bottom support (12);
one end of the first bottom support (11) is provided with a connecting shaft (13), the other end of the first bottom support (11) is provided with a limiting disc (14), the lower end of the connecting shaft (13) extends out of the bottom of the first bottom support (11) to form a positioning seat (15), the second bottom support (12) is arranged at the lower end of the first bottom support (11), the upper end of the second bottom support (12) is provided with a positioning hole matched with the positioning seat (15), and the upper surface of the second bottom support (12) is attached to the lower surface of the limiting disc (14);
an annular gasket (16) is arranged at the bottom of the second bottom support (12), and the annular gasket (16) is positioned in the clamping groove (21);
the vacuum assembly (3) comprises a vacuum tube (31) and an adsorption cavity (32), the vacuum tube (31) penetrates through the inner center of the first bottom support (11), the adsorption cavity (32) is arranged at the lower end of the vacuum tube (31), and the adsorption cavity (32) is respectively communicated with the vacuum tube (31) and the clamping groove (21).
2. The special-shaped part polishing clamp according to claim 1, wherein the vacuum tube (31) comprises a polishing liquid channel, a vacuum channel and a main pipeline, the polishing liquid channel and the vacuum channel are respectively communicated with one end of the main pipeline, and the other end of the main pipeline is communicated with the adsorption cavity (32).
3. The special-shaped part polishing clamp according to claim 1, wherein a limiting flange (17) is circumferentially arranged on the second bottom support (12), and the inner wall of the clamp seat (2) is matched with the limiting flange (17).
4. A special-shaped part polishing clamp as claimed in claim 3, characterized in that the annular washer (16) is of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321314314.XU CN220408191U (en) | 2023-05-26 | 2023-05-26 | Polishing clamp for special-shaped parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321314314.XU CN220408191U (en) | 2023-05-26 | 2023-05-26 | Polishing clamp for special-shaped parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220408191U true CN220408191U (en) | 2024-01-30 |
Family
ID=89649412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321314314.XU Active CN220408191U (en) | 2023-05-26 | 2023-05-26 | Polishing clamp for special-shaped parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220408191U (en) |
-
2023
- 2023-05-26 CN CN202321314314.XU patent/CN220408191U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |