CN214519022U - Clamp for processing arc surface of workpiece - Google Patents
Clamp for processing arc surface of workpiece Download PDFInfo
- Publication number
- CN214519022U CN214519022U CN202120661478.4U CN202120661478U CN214519022U CN 214519022 U CN214519022 U CN 214519022U CN 202120661478 U CN202120661478 U CN 202120661478U CN 214519022 U CN214519022 U CN 214519022U
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- workpiece
- arc surface
- main body
- taper
- spreader
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Abstract
The utility model discloses an anchor clamps of work piece arc surface processing usefulness, include: the workpiece clamping assembly comprises an elastic clamping sleeve, a taper spreader and a fixing screw, the workpiece is arranged on the inner side of the main body, an insertion hole pointing to the workpiece is formed in the outer side face of the main body, the elastic clamping sleeve is arranged in the insertion hole and extends into a through hole of the workpiece, the taper spreader is arranged in the elastic clamping sleeve, the fixing screw is arranged at the outer end of the elastic clamping sleeve and is connected with the taper spreader, and the taper spreader is pulled outwards to enable the elastic clamping sleeve to expand so as to fix the workpiece. In this way, work piece arc surface adds anchor clamps of usefulness, through installing on the lathe, carry out the car processing of arc surface on a plurality of work pieces simultaneously, production efficiency is high, has ensured the surface quality of arc surface moreover, has reduced the processing cost.
Description
Technical Field
The utility model relates to a processing tool field especially relates to an anchor clamps of work piece arc surface processing usefulness.
Background
Part of the block-shaped workpiece needs to be processed with a section of arc surface on one side. The circular arc surface is not a circular hole, so that the circular arc surface is difficult to clamp on a lathe, the lathe machining cannot be carried out, the workpiece can only be placed on a machining center for milling and forming, and the purchase, operation and maintenance costs of the machining center are high, so that the unit price of the workpiece is influenced.
In addition, the milling of the arc surface through the processing center is time-consuming, the processing time of a single product is as long as 7 minutes, the mass production is difficult to complete in time, the tool marks after milling are obvious, the arc surface is rough, the ideal smooth finish is difficult to achieve, the grinding and polishing are needed, the production cost is high, and the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an anchor clamps of work piece arc surface processing usefulness, realizes the quick processing of work piece arc surface, promotes quality, reduce cost.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a anchor clamps of work piece arc surface processing usefulness includes: the workpiece clamping assembly comprises an elastic clamping sleeve, a taper spreader and a fixing screw, the workpiece is arranged on the inner side of the main body, an insertion hole pointing to the workpiece is formed in the outer side face of the main body, the elastic clamping sleeve is arranged in the insertion hole and extends into a through hole of the workpiece, the taper spreader is arranged in the elastic clamping sleeve, the fixing screw is arranged at the outer end of the elastic clamping sleeve and is connected with the taper spreader, and the taper spreader is pulled outwards to enable the elastic clamping sleeve to expand so as to fix the workpiece.
In a preferred embodiment of the present invention, the workpiece clamping assemblies are distributed in an annular array on the main body.
In a preferred embodiment of the present invention, the main body has a ring structure, and the inner side of the main body is provided with a groove corresponding to the workpiece.
In a preferred embodiment of the present invention, the outer diameter of the elastic clamping sleeve corresponds to the diameter of the through hole.
In a preferred embodiment of the present invention, the elastic jacket has a plurality of slits extending to the end on the outer circle to form a multi-petal structure, and the taper spreader includes a guide rod and a cone, the cone being disposed at the end of the guide rod.
In a preferred embodiment of the present invention, the guide rod is provided with a milled flat surface on both sides, the front end of the elastic jacket is provided with a mounting piece located on the outer side surface of the main body, and the mounting piece is provided with a guide hole corresponding to the cross section of the guide rod.
In a preferred embodiment of the present invention, the back surface of the workpiece is provided with a threaded hole, and the inner side of the main body is provided with a pin corresponding to the threaded hole.
In a preferred embodiment of the present invention, the back surface of the main body is concentrically provided with a connecting flange.
The utility model has the advantages that: the utility model provides an anchor clamps of work piece arc surface processing usefulness through installing on the lathe, carries out the car processing of arc surface on a plurality of work pieces simultaneously, and production efficiency is high, has ensured the surface quality of arc surface moreover, has reduced the processing cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of a fixture for processing a circular arc surface of a workpiece according to the present invention;
fig. 2 is an exploded view of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The workpiece 6 shown in fig. 1 is a hydraulic pipeline connecting flange part on a certain type of engineering machinery, and needs to be machined at an arc position, the monthly demand of the workpiece is 4000, the workpiece is large in quantity, and the requirements on machining quality and efficiency are high.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
the jig for processing the circular arc surface of the workpiece shown in fig. 1 includes: the main part 1 and set up the work piece clamping subassembly on main part 1, the back of main part 1 is provided with flange 5 with one heart, and flange 5 adopts the screw fixation at the main part 1 back, and rethread flange 5 fixes on the lathe.
Every work piece clamping subassembly can realize the installation of 1 work piece 6, in this embodiment, adopts 4 work piece clamping subassemblies, and 4 work piece clamping subassemblies ring array distribute on main part 1, carry out the installation of 4 work pieces 6, promote machining efficiency. The workpiece 6 is arranged on the inner side of the main body 1 and corresponds to the workpiece clamping assemblies one by one, in the embodiment, the main body 1 adopts an annular structure, the dead weight is reduced, and the groove 11 corresponding to the workpiece 6 is formed in the inner side of the main body 1, so that the workpiece 6 is convenient to mount and roughly position.
In addition, 4 threaded holes 61 are formed in the back surface of the workpiece 6, pins 7 corresponding to the threaded holes 61 are arranged on the inner side of the main body 1 (the groove 11), and at least 2 pins 7 correspond to the 4 threaded holes 61 of each workpiece 6, so that the workpiece 6 is prevented from being twisted.
In this embodiment, the workpiece clamping assembly includes an elastic clamping sleeve 3, a taper spreader 2 and a tension screw 4 of M12, the outer side surface of the main body 1 is provided with an insertion hole pointing to the workpiece 6, the elastic clamping sleeve 3 is arranged in the insertion hole and extends into the through hole 62 of the workpiece 6, the front end of the elastic clamping sleeve 3 is integrally provided with a mounting piece 31 located on the outer side surface of the main body 1, and the mounting piece 31 is fixed on the outer side surface of the main body 1 by a screw, so that the structure is firm.
As shown in fig. 2, a plurality of slits 32 extending to the end are formed on the outer circumference of the elastic jacket 3 to form a multi-petal structure, so that when the inner wall of the end is pushed outwards, the elastic jacket 3 expands in the through hole 62 of the workpiece 6, the diameter of the outer circumference of the elastic jacket 3 corresponds to the diameter of the through hole 62, and when the elastic jacket 3 expands, the workpiece 6 is locked.
The taper spreader 2 is arranged in the elastic jacket 3, the taper spreader 2 comprises a guide rod 23 and a cone 21, flat milling surfaces 22 are arranged on two sides of the guide rod 23, and a guide hole corresponding to the section of the guide rod 23 is formed in the mounting piece 31, so that the torsion problem of the guide rod 23 is avoided.
In this embodiment, the cone 21 is disposed at the end of the guide rod 23, and when the taper spreader 2 is pulled outwards, the outer conical surface of the cone 21 contacts the elastic jacket 3, so as to force the elastic jacket 3 to expand and lock the workpiece 6. In this embodiment, the fastening screw 4 is disposed at the outer end of the elastic jacket 3 and connected to the guide rod 23 of the taper spreader 2, and when the fastening screw 4 is screwed down, the taper spreader 2 is pulled outward to expand the elastic jacket 3, so as to fix the workpiece, which is simple and convenient to operate.
A method for processing a circular arc surface of a workpiece comprises the following steps:
as shown in fig. 1, firstly, a chuck on a lathe is removed, then a main body 1 and a lathe spindle are assembled through a connecting flange 5 and fixed by screws, and the axial runout of the main body 1 and the lathe spindle is controlled within 0.05 mm;
installing the workpiece 6 inside the main body 1 so that the elastic collet 3 extends into the through hole 62 of the workpiece 6 and the pin 7 in the main body 1 is inserted into the threaded hole of the workpiece 6, restricting the rotational freedom of the workpiece 6;
tightening the fastening screw 4 to move the taper spreader 2 outwards, gradually spreading the elastic jacket 3 outwards to match with the through hole 62 of the workpiece 6, so as to lock the workpiece 6, and sequentially installing 4 workpieces 6;
after the workpiece 6 is clamped, starting the lathe, and turning the arc surfaces of a plurality of workpieces to obtain an arc surface with a diameter of 114.4 on the workpiece 6;
and after the turning is finished, loosening the fastening screw to disassemble the workpiece, wherein each working hour is 2 minutes.
To sum up, the utility model provides an anchor clamps of work piece arc surface processing usefulness has made things convenient for the clamping and the car processing of work piece, and a plurality of work pieces can be processed in a turning, and production efficiency and high quality have reduced the cost of production.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.
Claims (8)
1. The utility model provides an anchor clamps of work piece arc surface processing usefulness for the clamping of work piece when the arc surface is processed is provided with the through-hole in the work piece, its characterized in that includes: the workpiece clamping assembly comprises an elastic clamping sleeve, a taper spreader and a fixing screw, the workpiece is arranged on the inner side of the main body, an insertion hole pointing to the workpiece is formed in the outer side face of the main body, the elastic clamping sleeve is arranged in the insertion hole and extends into a through hole of the workpiece, the taper spreader is arranged in the elastic clamping sleeve, the fixing screw is arranged at the outer end of the elastic clamping sleeve and is connected with the taper spreader, and the taper spreader is pulled outwards to enable the elastic clamping sleeve to expand so as to fix the workpiece.
2. The clamp for processing the circular arc surface of the workpiece according to claim 1, wherein the workpiece clamping assemblies are distributed on the main body in an annular array.
3. The jig for processing the arc surface of a workpiece according to claim 1, wherein the main body has an annular structure, and a groove corresponding to the workpiece is provided on an inner side of the main body.
4. The jig for machining an arc surface of a workpiece according to claim 1, wherein the outer diameter of the elastic collet corresponds to the diameter of the through hole.
5. The jig for processing the arc surface of a workpiece according to claim 1, wherein the elastic collet has a plurality of slits extending to the distal end on the outer circle thereof to form a multi-lobed structure, and the taper spreader includes a guide rod and a cone disposed at the distal end of the guide rod.
6. The clamp for processing the arc surface of the workpiece according to claim 5, wherein the two sides of the guide rod are provided with milled flat surfaces, the front end of the elastic jacket is provided with an installation piece positioned on the outer side surface of the main body, and the installation piece is provided with a guide hole corresponding to the section of the guide rod.
7. The jig for processing the arc surface of a workpiece according to claim 1, wherein a threaded hole is provided in the back surface of the workpiece, and a pin corresponding to the threaded hole is provided inside the main body.
8. The jig for machining an arc surface of a workpiece according to claim 1, wherein a connecting flange is concentrically provided on a back surface of the main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661478.4U CN214519022U (en) | 2021-04-01 | 2021-04-01 | Clamp for processing arc surface of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661478.4U CN214519022U (en) | 2021-04-01 | 2021-04-01 | Clamp for processing arc surface of workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214519022U true CN214519022U (en) | 2021-10-29 |
Family
ID=78265719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120661478.4U Expired - Fee Related CN214519022U (en) | 2021-04-01 | 2021-04-01 | Clamp for processing arc surface of workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214519022U (en) |
-
2021
- 2021-04-01 CN CN202120661478.4U patent/CN214519022U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211029 |