CN215145433U - Columnar workpiece clamping jaw for linear cutting rotary cutting tool - Google Patents
Columnar workpiece clamping jaw for linear cutting rotary cutting tool Download PDFInfo
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- CN215145433U CN215145433U CN202121764383.1U CN202121764383U CN215145433U CN 215145433 U CN215145433 U CN 215145433U CN 202121764383 U CN202121764383 U CN 202121764383U CN 215145433 U CN215145433 U CN 215145433U
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- 238000005520 cutting process Methods 0.000 title claims abstract description 46
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000009763 wire-cut EDM Methods 0.000 description 1
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Abstract
The utility model discloses a column work piece clamping jaw for rotatory cutting frock of wire-electrode cutting, including fastening nut and chuck, the chuck includes the spliced pole and presss from both sides tight piece around spliced pole one end terminal surface a polylith arc that a week distributes, the fastening nut hole is the shoulder hole, and its big footpath section embolias the tight piece of arc clamp, and the diameter of fastening nut's big footpath section is greater than the diameter that the tight piece inner end of arc clamp belonged to the circle, is less than the diameter that the tight piece outer end of arc clamp belonged to the circle. The utility model discloses can effectively solve current anchor clamps to the poor problem of the fixed effect of column/tube-shape work piece centre gripping to improve the degree of accuracy of rotary cutting.
Description
Technical Field
The utility model relates to a part cutting technical field especially relates to a column work piece clamping jaw for rotatory cutting frock of wire-electrode cutting.
Background
In the manufacturing process of machining parts, the shapes of some parts are narrow through grooves, corner cleaning at the periphery and the like, and the parts cannot be machined by traditional turning and milling, and then the machining is finished by electric sparks, wire cutting and the like. The wire cutting machine uses a moving metal wire as a tool electrode, and pulse current is passed between the metal wire and a workpiece to cut the workpiece by the erosion action of pulse discharge.
The existing linear cutting machine (slow wire moving, medium wire moving and the like) is controlled by two shafts (X, Y) which are vertical to each other and performs wire moving discharge cutting processing. However, for machining a fan-shaped narrow through groove on the upper periphery of a circular shaft-shaped part, as shown in fig. 1, the outer frame of the flexible joint part cannot be directly machined by linear cutting.
In order to solve the above problems, the applicant has designed a device which is applied to a wire-cut electrical discharge machining and can perform rotary machining, but in the rotary machining process, when a workpiece to be machined is a cylindrical or tubular workpiece, such as a flexible gyroscope bolt joint, and the like, and a side wall of the workpiece needs to be machined, the workpiece needs to be clamped and fixed, so that the machining accuracy can be improved. However, no mature technology is available at present, and therefore, it is urgently needed to provide a columnar workpiece clamping jaw for a linear cutting rotary cutting tool.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a column work piece clamping jaw for wire-electrode cutting rotary cutting frock, can effectively solve current anchor clamps to the poor problem of column/tube-shape work piece centre gripping fixed effect to improve rotary cutting's the degree of accuracy.
In order to solve the technical problem, the utility model discloses a technical scheme is like this: a columnar workpiece clamping jaw for a linear cutting rotary cutting tool comprises a fastening nut and a clamping head, wherein the fastening nut is in threaded connection with the clamping head; the chuck comprises a connecting column and a plurality of arc-shaped clamping blocks distributed around one circle of the end face of one end of the connecting column, the diameter of a circle where the inner end of each arc-shaped clamping block is located is smaller than that of a circle where the outer end of each arc-shaped clamping block is located, so that the arc-shaped clamping blocks are integrally horn-shaped, and a gap is formed between every two adjacent arc-shaped clamping blocks; the inner hole of the fastening nut is a stepped hole, the small-diameter section of the fastening nut is provided with an internal thread, the small-diameter section of the fastening nut is connected with the connecting column in a threaded fit mode, the large-diameter section of the fastening nut is sleeved with the arc-shaped clamping block, and the diameter of the large-diameter section of the fastening nut is larger than that of a circle where the inner end of the arc-shaped clamping block is located and smaller than that of a circle where the outer end of the arc-shaped clamping block is located.
In the process of clamping the columnar part through the chuck, one end of the columnar part is placed between the clamping blocks, then the fastening nut is rotated, in the process of connecting the fastening nut and the chuck through threads, the arc-shaped clamping blocks are gradually sleeved into the fastening nut, the clamping force of the arc-shaped clamping blocks on the columnar part is gradually increased, and the columnar part is clamped; the clamping jaw can effectively clamp a cylindrical workpiece or a cylindrical workpiece; and adopt this work piece clamping jaw, can press from both sides tight to the work piece of different sizes (diameters).
Furthermore, the connecting column is a stepped column, and the arc-shaped clamping block is connected with the end face of the large-diameter section of the stepped column.
Furthermore, the inner hole of the large-diameter section of the fastening nut is a tapered hole, and the diameter of the outer end of the tapered hole is smaller than that of the inner end of the tapered hole; the clamping device can effectively clamp a workpiece with a smaller diameter, and further improves the application range.
Further, a rubber layer is arranged on the inner side of the clamping block; therefore, the clamping effect can be ensured, and the workpiece can be prevented from being damaged.
Furthermore, a connecting hole is formed in the connecting column of the chuck along the axial direction of the chuck and is used for being connected with a worm gear shaft of the linear cutting rotary cutting tool through a connecting screw, and a positioning hole is respectively formed in each of two sides of the connecting hole and is used for being detachably connected with the worm gear shaft of the linear cutting rotary cutting tool through a rotation stopping pin; thereby ensuring that the workpiece clamping jaw can synchronously rotate along with the worm wheel shaft.
Compared with the prior art, the utility model has the advantages of: in the process of clamping the columnar part through the chuck, one end of the columnar part is placed between the clamping blocks, then the fastening nut is rotated, in the process of connecting the fastening nut and the chuck through threads, the arc-shaped clamping blocks are gradually sleeved into the fastening nut, the clamping force of the arc-shaped clamping blocks on the columnar part is gradually increased, and the columnar part is clamped; the clamping jaw can effectively clamp a cylindrical workpiece or a cylindrical workpiece; and adopt this work piece clamping jaw, can press from both sides tight to the work piece of different sizes (diameters).
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The clamping device comprises a clamping block, a connecting column, a connecting nut, a connecting block, a clamping block, a connecting hole and a positioning hole, wherein the clamping block comprises 1 part of a fastening nut, 2 parts of a connecting column, 3 parts of a clamping block, 4 parts of a connecting hole and 5 parts of a positioning hole.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example (b): referring to fig. 1, a columnar workpiece clamping jaw for a linear cutting rotary cutting tool comprises a fastening nut 1 and a chuck, wherein the fastening nut 1 is in threaded connection with the chuck. The chuck includes spliced pole 2 and presss from both sides tight piece 3 around 2 one end terminal surface polylith arcs of spliced pole a week distribution, the diameter that 3 inner ends places the circle of arc presss from both sides tight piece is less than the diameter of outer end place circle, makes the arc press from both sides tight piece 3 wholly to be tubaeform, and has the clearance between the tight piece 3 of adjacent two arcs clamp. Wherein, the inner side of the clamping block 3 is provided with a rubber layer; therefore, the clamping effect can be ensured, and the workpiece can be prevented from being damaged.
The inner hole of the fastening nut 1 is a stepped hole, the small-diameter section of the fastening nut 1 is provided with an internal thread, the small-diameter section of the fastening nut 1 is in threaded fit connection with the connecting column 2, the large-diameter section of the fastening nut is sleeved in the arc-shaped clamping block 3, the diameter of the large-diameter section of the fastening nut 1 is larger than that of a circle where the inner end of the arc-shaped clamping block 3 is located, and is smaller than that of a circle where the outer end of the arc-shaped clamping block 3 is located. In specific implementation, the connecting column 2 is a stepped column, and the arc-shaped clamping block 3 is connected with the end face of the large-diameter section of the stepped column; thus, the rotation and movement of the fastening nut 1 do not affect the clamping block 3, and the contraction clamping of the arc-shaped clamping block 3 is facilitated.
In specific implementation, an inner hole of the large-diameter section of the fastening nut 1 is a tapered hole, and the diameter of the outer end of the tapered hole is smaller than that of the inner end of the tapered hole; the clamping device can effectively clamp a workpiece with a smaller diameter, and further improves the application range.
The connecting column 2 of the chuck is provided with a connecting hole 4 along the axial direction thereof and is used for being connected with a worm gear shaft of the linear cutting rotary cutting tool through a connecting screw, and two sides of the connecting hole 4 are respectively provided with a positioning hole 5 and are used for being detachably connected with the worm gear shaft of the linear cutting rotary cutting tool through a rotation stopping pin; thereby ensuring that the workpiece clamping jaw can synchronously rotate along with the worm wheel shaft. During assembly, the connecting column 2 of the chuck is connected with the transmission shaft through a connecting screw, two sides of the connecting screw are respectively provided with a rotation stopping pin, and the rotation stopping pins penetrate through the connecting column 2 and then are detachably connected with the transmission shaft; thereby ensuring that the workpiece clamping jaw can synchronously rotate along with the worm wheel shaft; thereby the installation is more convenient, and the rotation of the workpiece clamping jaw can be effectively prevented after the installation.
In the process of clamping the columnar part by the chuck, one end of the columnar part is placed between the clamping blocks 3, then the fastening nut 1 is rotated, in the process of connecting the fastening nut 1 and the chuck through threads, the arc-shaped clamping blocks 3 are gradually sleeved into the fastening nut 1, the clamping force of the arc-shaped clamping blocks 3 on the columnar part is gradually increased, and the columnar part is clamped; the clamping jaw can effectively clamp a cylindrical workpiece or a cylindrical workpiece; and adopt this work piece clamping jaw, can press from both sides tight to the work piece of different sizes (diameters).
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a column work piece clamping jaw for rotatory cutting frock of wire-electrode cutting which characterized in that: the clamping device comprises a fastening nut and a clamping head, wherein the fastening nut is in threaded connection with the clamping head; the chuck comprises a connecting column and a plurality of arc-shaped clamping blocks distributed around one circle of the end face of one end of the connecting column, the diameter of a circle where the inner end of each arc-shaped clamping block is located is smaller than that of a circle where the outer end of each arc-shaped clamping block is located, so that the arc-shaped clamping blocks are integrally horn-shaped, and a gap is formed between every two adjacent arc-shaped clamping blocks; the inner hole of the fastening nut is a stepped hole, the small-diameter section of the fastening nut is provided with an internal thread, the small-diameter section of the fastening nut is connected with the connecting column in a threaded fit mode, the large-diameter section of the fastening nut is sleeved with the arc-shaped clamping block, and the diameter of the large-diameter section of the fastening nut is larger than that of a circle where the inner end of the arc-shaped clamping block is located and smaller than that of a circle where the outer end of the arc-shaped clamping block is located.
2. The cylindrical workpiece clamping jaw for the wire-electrode cutting rotary cutting tool according to claim 1, characterized in that: the connecting column is a stepped column, and the arc-shaped clamping block is connected with the end face of the large-diameter section of the stepped column.
3. The cylindrical workpiece clamping jaw for the wire-electrode cutting rotary cutting tool according to claim 1, characterized in that: the large-diameter section inner hole of the fastening nut is a tapered hole, and the diameter of the outer end of the large-diameter section inner hole is smaller than that of the inner end of the large-diameter section inner hole.
4. The cylindrical workpiece clamping jaw for the wire-electrode cutting rotary cutting tool according to claim 1, characterized in that: the inner side of the clamping block is provided with a rubber layer.
5. The cylindrical workpiece clamping jaw for the wire-electrode cutting rotary cutting tool according to claim 1, characterized in that: the connecting column of the chuck is provided with a connecting hole along the axial direction and is used for being connected with a worm gear shaft of the linear cutting rotary cutting tool through a connecting screw, and two sides of the connecting hole are respectively provided with a positioning hole and are used for being detachably connected with the worm gear shaft of the linear cutting rotary cutting tool through a rotation stopping pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121764383.1U CN215145433U (en) | 2021-07-30 | 2021-07-30 | Columnar workpiece clamping jaw for linear cutting rotary cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121764383.1U CN215145433U (en) | 2021-07-30 | 2021-07-30 | Columnar workpiece clamping jaw for linear cutting rotary cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215145433U true CN215145433U (en) | 2021-12-14 |
Family
ID=79405707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121764383.1U Expired - Fee Related CN215145433U (en) | 2021-07-30 | 2021-07-30 | Columnar workpiece clamping jaw for linear cutting rotary cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215145433U (en) |
-
2021
- 2021-07-30 CN CN202121764383.1U patent/CN215145433U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |