CN213410378U - Clamp for processing annular workpiece - Google Patents
Clamp for processing annular workpiece Download PDFInfo
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- CN213410378U CN213410378U CN202022251894.5U CN202022251894U CN213410378U CN 213410378 U CN213410378 U CN 213410378U CN 202022251894 U CN202022251894 U CN 202022251894U CN 213410378 U CN213410378 U CN 213410378U
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- mounting surface
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- annular workpiece
- pressing block
- annular
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Abstract
The utility model discloses a clamp for processing annular workpieces, which comprises a chuck, clamping jaws and pressing blocks, wherein the clamping jaws and the pressing blocks are uniformly distributed along the circumferential direction of the chuck, and the pressing blocks are detachably arranged on the clamping jaws; the clamping jaw is provided with a first mounting surface and a second mounting surface, and the pressing block can be selectively arranged on the first mounting surface and the second mounting surface; the pressing block is provided with a pressing end extending towards the annular workpiece in the radial direction and used for limiting the axial movement of the annular workpiece; the first mounting surface is higher than the second mounting surface and is provided with a radial positioning surface which is used for abutting against the circumferential surface of the annular workpiece. The clamp for processing the annular workpiece clamps the excircle of the annular workpiece through the clamping jaws for positioning, and then processes the end face of the annular workpiece through the pressing block. The clamp can be used for annular workpieces with different diameters, the machining process is safe and reliable, the multi-surface machining of the annular workpieces can be completed by one-time positioning and clamping, and the machining efficiency and the machining precision of the workpieces are improved.
Description
Technical Field
The utility model relates to a lathe clamping device technical field, concretely relates to anchor clamps of processing annular work piece.
Background
The clamp is a process device used for quickly fastening a workpiece to keep a machine tool, a cutter and the workpiece at a correct relative position in machining, is an indispensable part, and also puts high-precision, high-efficiency, economic and other requirements on the clamp along with the development of machine tool technology in the directions of high speed, high efficiency, precision and intelligence. The most common clamp on the lathe is a three-jaw self-centering chuck, when the existing three-jaw chuck clamps an annular workpiece, the contact area between a jaw and the annular workpiece is small, when the annular workpiece is clamped, the annular workpiece is easily deformed by applying a large force, and when the annular workpiece is clamped, the annular workpiece is clamped insecurely by applying a small force, so that the workpiece flies out in the processing engineering, and potential safety hazards exist.
Chinese patent No. CN206811155U discloses a three-jaw chuck clamp for machining round thin-walled workpieces. This three-jaw chuck anchor clamps include the chuck, set up on chuck installation terminal surface and around the three fan-shaped jack catch that chuck center equidistance distributes, the sector middle part of fan-shaped jack catch has convex arch to form inside and outside step on the sector, convex bellied inboard surface and outside all are provided with the flexible bed course on the surface. However, when the three-jaw chuck clamp clamps workpieces with different diameters, when the diameter of the workpiece exceeds the diameter of the workpiece which can be clamped in the deformation range of the flexible cushion layer on the fan-shaped clamping jaws, the contact area between the fan-shaped clamping jaws and the annular workpiece is reduced, the clamping force is too large, the annular workpiece is deformed, the clamping force is too small, the workpiece is clamped and easily flies out, the precision of the workpiece is reduced, the potential safety hazard exists, and if the three-jaw chuck clamp is manufactured according to the workpieces with different diameters, the processing cost of the workpiece can be improved, and the processing efficiency of the workpiece is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an above-mentioned problem to existence among the prior art provides an anchor clamps of processing annular work piece, it is equipped with the briquetting on the jack catch, the briquetting can be according to the difference of the required processing terminal surface of annular work piece, install on the different terminal surfaces of jack catch, when clamping annular work piece, the excircle of accessible jack catch centre gripping annular work piece, because press from both sides the excircle only the location, consequently, do not need very big clamping-force, then press the firm car processing that carries out with the briquetting to the terminal surface of annular work piece, in processing the work piece, the location of jack catch is motionless, only need to remove the different terminal surfaces on the jack catch with the briquetting, alright accomplish the clamping to annular work piece, and to the processing of a plurality of faces of annular. The annular workpiece clamping fixture solves the technical problems that when the fixture clamps annular workpieces with different diameters, the annular workpieces are deformed due to too large clamping force, the workpieces are not firmly clamped due to too small clamping force and are easy to fly out, the precision of the workpieces is reduced, potential safety hazards exist, the machining cost is high, and the machining efficiency is low.
In order to solve the technical problem, the utility model is realized by the following technical scheme:
a clamp for processing an annular workpiece comprises a chuck and clamping jaws uniformly distributed along the circumferential direction of the chuck; the clamping jaw is detachably arranged on the clamping jaw; the clamping jaw is provided with a first mounting surface and a second mounting surface, and the pressing block can be selectively arranged on the first mounting surface and the second mounting surface; the pressing block is provided with a pressing end extending towards the annular workpiece in the radial direction and used for limiting the axial movement of the annular workpiece; the first mounting surface is higher than the second mounting surface and is provided with a radial positioning surface, the radial positioning surface is used for abutting against the peripheral surface of the annular workpiece, when the annular workpiece is clamped, the outer circle of the annular workpiece can be clamped through the clamping jaw, the pressing block is used for firmly pressing the end surface of the annular workpiece, the clamping jaw is fixed in the processing of the workpiece, the pressing block is only required to be moved to different end surfaces on the clamping jaw, the clamping of the annular workpiece can be completed, and a plurality of surfaces of the annular workpiece are processed.
Preferably, the radial positioning surface is provided with a flexible cushion layer which is used for being cushioned between the annular workpiece and the clamping jaw, so that the outer peripheral surface of the annular workpiece is prevented from being scratched when being in contact with the clamping jaw, and the attaching degree of the outer peripheral surface of the annular workpiece and the clamping jaw is increased.
Preferably, the radial positioning surface is a curved surface and is used for increasing the fitting degree of the outer circumferential surface of the annular workpiece and the radial positioning surface on the clamping jaw.
Furthermore, the height difference between the first mounting surface and the second mounting surface is smaller than the height of the circumferential surface of the annular workpiece, which is abutted against the radial positioning surface, so that when the pressing block acts on the end surface of the annular workpiece, the pressing block can apply pressing force to the annular workpiece, and the annular workpiece is pressed and fixed.
Furthermore, the first mounting surface is provided with a groove in the radial direction of the chuck, one end of the pressing block, which is far away from the pressing end, is provided with a supporting end, the side of the supporting end is provided with a supporting leg which extends into the groove, so that when the pressing block acts on the end face of the annular workpiece, the pressing block can apply pressing force on the annular workpiece, the annular workpiece is pressed and fixed, and the supporting leg of the supporting end is used for limiting the rotation of the pressing block.
Furthermore, the jaw is provided with a detachable supporting screw rod, the supporting screw rod is selectively arranged on the first mounting surface and the second mounting surface and is abutted against the supporting end, the force of the pressing end of the pressing block acting on the annular workpiece is balanced, and the pressing end can be attached to the end face of the annular workpiece by adjusting the supporting screw rod.
Furthermore, the pressing block is provided with an adjusting bolt, and the adjusting bolt penetrates through a through hole in the pressing block to be selectively connected to the first mounting surface and the second mounting surface and is used for setting and adjusting the pressing block on the clamping jaw.
Furthermore, the pressing block is provided with a plurality of through holes in the same radial direction of the chuck, the adjusting bolts can selectively penetrate through any one of the through holes, different through holes can be selected through the adjusting bolts, and the length of the pressing end of the pressing block extending to the annular workpiece is adjusted.
Furthermore, a plurality of through holes are overlapped together to form a slide way, different positions can be selected on the slide way through adjusting bolts, and the length of the pressing end of the pressing block extending to the annular workpiece is adjusted.
Furthermore, be equipped with continuous superimposed heavy groove on the slide for hide adjusting bolt's spiral shell head, prevent to cut the spiral shell head in the course of working, the accessible selects different heavy grooves simultaneously, stretches out the length to annular work piece to the end that compresses tightly of briquetting and adjusts.
Compared with the prior art, the utility model has the advantages that: the clamp for processing the annular workpiece can be used for processing annular workpieces with different diameters, and the processing cost is low; when the annular workpiece is clamped, the outer circle of the annular workpiece can be clamped by the clamping jaws for positioning, so that the clamped annular workpiece cannot be deformed; the end face of the annular workpiece is fixed by the pressing block, so that the workpiece is firmly clamped, and the safety is high in the processing process; the processing of a plurality of surfaces of the annular workpiece can be finished by one-time positioning and clamping, and the processing efficiency and the precision of the annular workpiece are improved.
Drawings
Fig. 1 is a schematic structural diagram of a terminal surface of a pressing block clamping workpiece excircle of a clamp for processing an annular workpiece in the first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a terminal surface of an inner circle of a pressing block clamping workpiece of a fixture for processing an annular workpiece in the first embodiment of the present invention.
Fig. 3 is a schematic structural view of the end surface of the outer circle of the pressing block clamping workpiece of the fixture for processing the annular workpiece in the second embodiment of the present invention.
Fig. 4 is a left side sectional view in fig. 3.
Fig. 5 is a schematic structural view of an end face of a pressing block clamping workpiece excircle of the fixture for processing the annular workpiece in the second embodiment of the present invention.
Fig. 6 is a left side sectional view in fig. 5.
The reference numbers are as follows:
1. a chuck; 2. a claw; 21. a first mounting surface; 22. a groove; 23. a radial positioning surface; 24. a second mounting surface; 3. a flexible cushion layer; 4. briquetting; 41. a compression end; 42. a slideway; 43. sinking a groove; 44. a support end; 45. a support leg; 5. an annular workpiece; 6. adjusting the bolt; 7. and supporting the screw rod.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Fig. 1 and fig. 2 are schematic structural diagrams of different end surfaces of a clamp for clamping a workpiece to process an annular workpiece in a first embodiment of the present invention. The embodiment of the utility model provides an in, the anchor clamps of processing annular work piece include chuck 1, follow jack catch 2 and the briquetting 4 of detachably setting on jack catch 2 that 1 circumference equipartition of chuck set up. The jaw 2 is provided with a first mounting surface 21, a second mounting surface 24 and a radial positioning surface 23. The first mounting surface 21 is higher than the second mounting surface 24, and the radial positioning surface 23 is a curved surface and is used for increasing the fit between the outer circumferential surface of the annular workpiece 5 and the radial positioning surface 23 on the clamping jaw 2. The radial positioning surface 23 is abutted against the circumferential surface of the annular workpiece 5, and the flexible cushion layer 3 is arranged on the radial positioning surface 23 and is used for being cushioned between the annular workpiece 5 and the clamping jaw 2, so that the circumferential surface of the annular workpiece 5 is prevented from being scratched when being contacted with the clamping jaw 2, and the attaching degree of the circumferential surface of the annular workpiece 5 and the clamping jaw 2 is increased. The height difference between the first mounting surface 21 and the second mounting surface 24 is smaller than the height of the circumferential surface of the annular workpiece 5 abutting against the radial positioning surface 23, so that when the pressing block 4 acts on the end surface of the annular workpiece 5, the pressing block 4 can apply pressing force to the annular workpiece 5, and the annular workpiece 5 is pressed and fixed. The pressing block 4 is provided with a pressing end 41 extending radially toward the annular workpiece 5 for restricting axial movement of the annular workpiece 5. The pressing block 4 is provided with an adjusting bolt 6, so that the pressing block 4 can be conveniently arranged and adjusted on the clamping jaws 2, and the adjusting bolt 6 penetrates through a through hole in the pressing block 4 and is selectively arranged on the first mounting surface 21 and the second mounting surface 24.
This anchor clamps of processing annular work piece when the annular work piece of clamping, the excircle of accessible jack catch centre gripping annular work piece owing to press from both sides the excircle and only fix a position, consequently need not very big clamping-force, then with the briquetting to the terminal surface of annular work piece firmly car processing, in the processing work piece, the location of jack catch is motionless, only needs to remove the different positions of briquetting on the jack catch, alright completion to the processing of a plurality of faces of annular work piece.
Fig. 3, fig. 4, fig. 5 and fig. 6 are a schematic structural diagram and a left side sectional view of different end surfaces of the clamp for clamping the workpiece for processing the annular workpiece according to the second embodiment of the present invention. The embodiment of the utility model provides an in the second, the anchor clamps of processing annular work piece include chuck 1, follow jack catch 2 and the briquetting 4 of detachably setting on jack catch 2 that 1 circumference equipartition of chuck set up. The jaw 2 is provided with a first mounting surface 21, a second mounting surface 24 and a radial positioning surface 23. The first mounting surface 21 is higher than the second mounting surface 24, and the radial positioning surface 23 is a curved surface and is used for increasing the fit between the outer circumferential surface of the annular workpiece 5 and the radial positioning surface 23 on the clamping jaw 2. The radial positioning surface 23 is abutted against the circumferential surface of the annular workpiece 5, and the flexible cushion layer 3 is arranged on the radial positioning surface 23 and is used for being cushioned between the annular workpiece 5 and the clamping jaw 2, so that the circumferential surface of the annular workpiece 5 is prevented from being scratched when being contacted with the clamping jaw 2, and the attaching degree of the circumferential surface of the annular workpiece 5 and the clamping jaw 2 is increased. The height difference between the first mounting surface 21 and the second mounting surface 24 is smaller than the height of the circumferential surface of the annular workpiece 5 abutting against the radial positioning surface 23, so that when the pressing block 4 acts on the end surface of the annular workpiece 5, the pressing block 4 can apply pressing force to the annular workpiece 5, and the annular workpiece 5 is pressed and fixed.
On the first mounting surface 21, a groove 22 is provided in the radial direction of the chuck 1, which facilitates the arrangement of the support screw 7, restricts the rotation of the pressing block 4, and applies pressing force to the annular workpiece 5 when the pressing block 4 acts on the end surface of the annular workpiece 5, thereby pressing and fixing the annular workpiece 5. The pressing block 4 is provided with a pressing end 41 extending radially toward the annular workpiece 5 for restricting axial movement of the annular workpiece 5. The pressing block 4 is provided with a supporting end 44 at one end far away from the pressing end 41, and the side of the supporting end 44 is provided with a supporting leg 45 extending into the groove 22 for limiting the rotation of the pressing block 4. A slideway 42 is arranged on the pressing block 4 along the radial direction of the chuck 1, and a connected and superposed sunk groove 43 is arranged on the slideway 42, so that the length of the pressing end 41 of the pressing block 4 extending to the annular workpiece 5 can be adjusted. The pressing block 4 is provided with an adjusting bolt 6, so that the pressing block 4 can be conveniently arranged and adjusted on the clamping jaws 2, and the adjusting bolt 6 penetrates through a through hole in the pressing block 4 and is selectively arranged on the first mounting surface 21 and the second mounting surface 24. The jaw 2 is provided with a detachable supporting screw 7, the supporting screw 7 can be selectively arranged on the first mounting surface 21 and the second mounting surface 24 according to the arrangement of the pressing block 4 and is abutted against the supporting end 44, the force of the pressing end 44 of the pressing block 4 acting on the annular workpiece 5 is balanced, and the pressing end 41 can be attached to the end surface of the annular workpiece 5 by adjusting the supporting screw 7.
Compared with the first embodiment, the clamp for processing the annular workpiece can adjust the extending length of the pressing block towards the annular workpiece through the slide way on the pressing block and the sinking groove on the slide way, and can adjust the height of the supporting screw rod to enable the pressing end to be attached to the end face of the annular workpiece and balance the force of the pressing end of the pressing block on the annular workpiece.
Some features of the above embodiments may be interchanged and omitted, and the scope of the present invention should not be limited thereto, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are intended to be encompassed by the present invention.
Claims (10)
1. A clamp for processing an annular workpiece comprises a chuck (1) and clamping jaws (2) uniformly distributed along the circumferential direction of the chuck (1); the method is characterized in that: also comprises
The pressing block (4) is detachably arranged on the clamping jaw (2);
wherein the jaw (2) is provided with a first mounting surface (21) and a second mounting surface (24), and the pressing block (4) is selectively arranged on the first mounting surface (21) and the second mounting surface (24); the pressing block (4) is provided with a pressing end (41) extending towards the annular workpiece (5) in the radial direction and used for limiting the axial movement of the annular workpiece (5); the first mounting surface (21) is higher than the second mounting surface (24), a radial positioning surface (23) is arranged, and the radial positioning surface (23) is used for abutting against the peripheral surface of the annular workpiece (5).
2. The clamp of claim 1, wherein: the radial positioning surface (23) is provided with a flexible cushion layer (3).
3. The clamp of claim 1 or 2, wherein: the radial positioning surface (23) is a curved surface.
4. The clamp of claim 3, wherein: the height difference between the first mounting surface (21) and the second mounting surface (24) is smaller than the height of the circumferential surface of the annular workpiece (5) abutted against the radial positioning surface (23).
5. The clamp of claim 4, wherein: first installation face (21) is following be provided with recess (22) in the radial direction of chuck (1), briquetting (4) are kept away from the one end that compresses tightly end (41) is equipped with support end (44), support end (44) avris is equipped with to stabilizer blade (45) that extend in recess (22).
6. The clamp of claim 5, wherein: the jaw (2) is provided with a detachable supporting screw rod (7), and the supporting screw rod (7) is selectively arranged on the first mounting surface (21) and the second mounting surface (24) and is abutted to the supporting end (44).
7. The clamp of claim 4 or 6, wherein: the pressing block (4) is provided with an adjusting bolt (6), and the adjusting bolt (6) penetrates through a through hole in the pressing block (4) to be selectively connected to the first mounting surface (21) and the second mounting surface (24).
8. The clamp of claim 7, wherein: the pressing block (4) is provided with a plurality of through holes in the same radial direction of the chuck (1), and the adjusting bolt (6) can selectively penetrate through any one of the through holes.
9. The clamp of claim 8, wherein: a plurality of the through holes are stacked together to form a slideway (42).
10. The clamp of claim 9, wherein: the slideway (42) is provided with a sink groove (43) which is connected and overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022251894.5U CN213410378U (en) | 2020-10-12 | 2020-10-12 | Clamp for processing annular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022251894.5U CN213410378U (en) | 2020-10-12 | 2020-10-12 | Clamp for processing annular workpiece |
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| Publication Number | Publication Date |
|---|---|
| CN213410378U true CN213410378U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022251894.5U Active CN213410378U (en) | 2020-10-12 | 2020-10-12 | Clamp for processing annular workpiece |
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| CN (1) | CN213410378U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346618A (en) * | 2022-01-19 | 2022-04-15 | 哈尔滨汽轮机厂有限责任公司 | Method for machining sealing ring with triangular cross section |
| CN114789414A (en) * | 2022-05-27 | 2022-07-26 | 河北圣昊光电科技有限公司 | Blue membrane anchor clamps |
| CN115011782A (en) * | 2022-06-20 | 2022-09-06 | 南京铭客传动系统有限公司 | Heat treatment device and heat treatment process for transverse weld joint of annular steel strip |
| CN115415932A (en) * | 2022-09-29 | 2022-12-02 | 合肥玖福半导体技术有限公司 | Positioning device for semiconductor wafer processing |
| CN115647720A (en) * | 2022-12-26 | 2023-01-31 | 柳工常州机械有限公司 | Excavator underframe clamp and positioner thereof |
| CN116604344A (en) * | 2023-07-20 | 2023-08-18 | 成都联科航空技术有限公司 | Processing device and method for annular connecting structure crack-stopping groove |
-
2020
- 2020-10-12 CN CN202022251894.5U patent/CN213410378U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346618A (en) * | 2022-01-19 | 2022-04-15 | 哈尔滨汽轮机厂有限责任公司 | Method for machining sealing ring with triangular cross section |
| CN114789414A (en) * | 2022-05-27 | 2022-07-26 | 河北圣昊光电科技有限公司 | Blue membrane anchor clamps |
| CN115011782A (en) * | 2022-06-20 | 2022-09-06 | 南京铭客传动系统有限公司 | Heat treatment device and heat treatment process for transverse weld joint of annular steel strip |
| CN115415932A (en) * | 2022-09-29 | 2022-12-02 | 合肥玖福半导体技术有限公司 | Positioning device for semiconductor wafer processing |
| CN115647720A (en) * | 2022-12-26 | 2023-01-31 | 柳工常州机械有限公司 | Excavator underframe clamp and positioner thereof |
| CN116604344A (en) * | 2023-07-20 | 2023-08-18 | 成都联科航空技术有限公司 | Processing device and method for annular connecting structure crack-stopping groove |
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