CN216759039U - Double-freedom-degree adjustable clamping tool - Google Patents
Double-freedom-degree adjustable clamping tool Download PDFInfo
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- CN216759039U CN216759039U CN202220226641.9U CN202220226641U CN216759039U CN 216759039 U CN216759039 U CN 216759039U CN 202220226641 U CN202220226641 U CN 202220226641U CN 216759039 U CN216759039 U CN 216759039U
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- clamping jaw
- degree
- bolt
- freedom
- mounting seat
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 238000003754 machining Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a double-freedom-degree adjustable clamping tool, and belongs to the field of machining. Two-degree-of-freedom adjustable clamping tool comprises a clamping jaw mounting seat, a screwing bolt and a cover type nut, wherein the clamping jaw mounting seat comprises a seat body and a mounting hole formed in the seat body, the screwing bolt penetrates through the mounting hole to be matched with the cover type nut, the upper clamping jaw comprises an upper clamping jaw and a lower clamping jaw located below the screwing bolt, the upper clamping jaw is connected with the upper clamping jaw and the lower clamping jaw through the bolt, the upper clamping jaw can rotate around the bolt relative to the lower clamping jaw, the lower clamping jaw is locked by a locking nut, the seat body front side is arranged on the lower clamping jaw through a connecting pin, the upper clamping jaw is attached to a workpiece placed on a supporting platform on the seat body front side, the cover type nut is located on one side of the upper clamping jaw and is in point contact with the back side of the upper clamping jaw, and the clamping jaw mounting seat is fixed on a working table top through a fixing device. The utility model can adapt to the clamping of different inclined planes, can flexibly adjust in the degree of freedom of rotation in two directions and has good locking performance.
Description
Technical Field
The utility model relates to a machining field in the electric power energy industry, in particular to a double-freedom-degree adjustable clamping tool.
Background
The machining of large rotating parts of a steam turbine is often finished on a vertical lathe, the inclination of the rotating surface of different workpieces can affect the clamping mode, a plurality of different tools need to be configured for operation, the assembly and disassembly are frequent, and the workload is increased, but the structure of the rotating surface of part of the workpieces is complex, and particularly for complex cylindrical workpieces with inclined circumferential bands and tangential planes, as shown in fig. 1-2, the common clamping tool cannot meet the clamping requirement.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a double-freedom-degree adjustable clamping tool, which can adjust the inclination of a clamping surface of a clamping jaw by rotating a bolt so as to adapt to the clamping of workpieces with different surface inclinations and is suitable for the clamping of complex cylindrical parts with inclined circumferential surfaces and tangential planes.
In order to solve the technical problem, the utility model adopts the following technical scheme:
two-degree-of-freedom adjustable clamping tool comprises a clamping jaw mounting seat, a screwing bolt and a cover type nut, wherein the clamping jaw mounting seat comprises a seat body and a mounting hole formed in the seat body, the screwing bolt penetrates through the mounting hole to be matched with the cover type nut, the upper clamping jaw comprises an upper clamping jaw and a lower clamping jaw located below the screwing bolt, the upper clamping jaw is connected with the upper clamping jaw and the lower clamping jaw through the bolt, the upper clamping jaw can rotate around the bolt relative to the lower clamping jaw, the lower clamping jaw is locked by a locking nut, the seat body front side is arranged on the lower clamping jaw through a connecting pin, the upper clamping jaw is attached to a workpiece placed on a supporting platform on the seat body front side, the cover type nut is located on one side of the upper clamping jaw and is in point contact with the back side of the upper clamping jaw, and the clamping jaw mounting seat is fixed on a working table top through a fixing device.
According to the further technical scheme, the back face of the upper clamping jaw is in an inner arc shape, the rotating range of the clamping jaw upper block around the bolt is enlarged, and meanwhile, stressed point contact is improved.
According to a further technical scheme, the contact surface of the upper clamping jaw and the workpiece is in a knurled design.
According to a further technical scheme, the contact surface of the upper clamping jaw and the workpiece is inclined.
According to the further technical scheme, a certain distance is reserved between the bottom of the lower clamping jaw and the bottom of the workpiece, so that the bottom of the workpiece is protected.
According to the technical scheme, the fixing device comprises calipers, a screw rod and a base, the screw rod is arranged in a clamping groove in the base, the bottom of the base body of the clamping jaw mounting seat is clamped on the screw rod, the clamping jaw mounting seat is mounted on the base through the calipers which are located on one side of the base body and matched with the screw rod, and the screw rod controls the clamping jaw mounting seat to move back and forth.
Advantageous effects
Compared with the prior art, the utility model has the following remarkable advantages:
1. the utility model can meet the clamping of different inclined planes, can flexibly adjust the rotational freedom degrees in two directions at the same time, and has good locking performance.
2. The tool can meet the clamping of complex circumferential surface workpieces such as complex excircle workpieces with inclined circumferential surfaces and tangential planes, has good clamping effect, and is also suitable for clamping of only inclined surface rotary workpieces.
The front end of the clamping jaw mounting seat is provided with a supporting platform capable of placing a workpiece, so that the bottom end face of the workpiece is protected, a certain distance is reserved between the bottom of the clamping jaw and the bottom of the workpiece, and the sharp corner of the edge of the bottom end face of the workpiece is protected from being damaged.
4. The tool has strong universality, the adopted calipers and the adopted base are original tools, the replacement cost is low, the structure is simple, and the assembly and the disassembly are convenient.
Drawings
FIG. 1 is a perspective view of a complex cylindrical workpiece with a circumferential band of tilted, tangential planes;
FIG. 2 is a side elevational view of a complex cylindrical workpiece with a circumferential band of oblique, tangential planes;
FIG. 3 is a front view of the present invention;
FIG. 4 is a perspective view of the present invention;
FIG. 5 is a schematic view of the top jaw and the bottom jaw;
FIG. 6 is a top plan view of the cap nut and top jaw when assembled;
figure 7 is a schematic view of the rotational freedom of the top jaw of the utility model;
fig. 8 is a schematic view of the present invention clamping a workpiece.
The figure is marked with: the clamping jaw type clamping jaw device comprises a clamping jaw mounting seat 1, a screwing bolt 2, a cap-shaped nut 3, a top clamping jaw 4, a bottom clamping jaw 5, a base body 6, a mounting hole 7, a bolt 8, a lock nut 9, a connecting pin 10, a caliper 11, a screw rod 12, a base 13, a workpiece 14, a workbench 15, a base bolt 16, a base 17 and a T-shaped block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
As shown in fig. 3, the adjustable tight frock of clamp of two degrees of freedom, including clamping jaw mount pad 1, screw bolt 2 and cap type nut 4, clamping jaw mount pad 1 include pedestal 6, locate mounting hole 7 on pedestal 6, screw bolt 2 and pass mounting hole 7 and cap type nut 4 cooperation, still include top clamping jaw 4, be located its below lower clamping jaw 5, connect top clamping jaw 4 and lower clamping jaw 5 through bolt 8, top clamping jaw 4 can rotate around bolt 8 for lower clamping jaw 5, through lock nut 9 lock bolt 8, lower clamping jaw 5 locates the pedestal 6 front side through connecting pin 10, top clamping jaw 4 laminates with the work piece of placing on saddle 18 of pedestal 6 front side, cap type nut 4 is located one side of top clamping jaw 4, with the back point contact of top clamping jaw 4, clamping jaw mount pad 1 is fixed in on 15 faces of workstation through fixing device.
The back surface of the upper clamping jaw 4 is in an inner arc shape.
The contact surface of the top clamping jaw 4 and the workpiece 14 is in a knurled design.
The contact surface between the top jaw 4 and the workpiece 14 is inclined.
The bottom of the lower clamping jaw 5 is spaced from the bottom of the workpiece 14.
Fixing device include calliper 11, screw rod 12, base 13, screw rod 12 locate the draw-in groove on base 13 in, the bottom card of the pedestal 6 of clamping jaw mount pad 1 is on screw rod 12, through lie in pedestal 6 one side, with screw 12 pole complex calliper 11 with clamping jaw mount pad 1 install on base 13 to through the fore-and-aft movement of screw rod 12 control clamping jaw mount pad 1.
The working process of the utility model is as follows:
1. the clamping jaw base 13 is placed on a vertical lathe workbench 15 and is fixed with a T-shaped block 17 through a base bolt 16 in a matched mode, and the T-shaped block serving as an electromagnet is electrified and adsorbed in a T-shaped groove of the workbench to achieve the purpose of fastening; the screw rod is firstly placed into the base before the calipers and the clamping jaw mounting seats are mounted, one end of the screw rod pushes the calipers to be inserted into the clamping grooves of the base, the other end of the screw rod rotates the hexagonal wrench to enable the calipers to completely enter the clamping jaw base, and the bottom of the clamping jaw mounting seat is not provided with threads and can be directly pushed into the clamping grooves of the base.
2. Screwing in the screwing bolt, sleeving the nut and screwing, wherein the end of the nut is provided with a through hole for locking with the screwing bolt, the right end of the screwing bolt is additionally provided with a strong spring before installation, and the thread is preferably selected from standard fine-thread threads.
3. The positions of the upper clamping jaw and the lower clamping jaw are adjusted by adjusting the connecting pin and the bolt, so that the upper clamping jaw is attached to the circumferential surface of the workpiece, the nut is locked at a fixed position, and the bolt is pushed to be screwed, so that clamping is realized. The top clamping jaw is provided with a circular arc surface, the purpose is to increase the rotation range of the top clamping jaw around the shaft I, and simultaneously improve the contact of stress points, and simultaneously the clamping jaw can be generally rotated around the shaft II in figure 6 so as to adapt to clamping of different bevel angles.
Claims (6)
1. Two-degree-of-freedom adjustable clamping tool comprises a clamping jaw mounting seat, a screwing bolt and a cover type nut, wherein the clamping jaw mounting seat comprises a seat body and a mounting hole formed in the seat body, the screwing bolt penetrates through the mounting hole to be matched with the cover type nut, and the two-degree-of-freedom adjustable clamping tool is characterized in that: including the top clamping jaw, be located its below lower clamping jaw, connect top clamping jaw and lower clamping jaw through the bolt, the top clamping jaw can be rotatory around the bolt for the lower clamping jaw, through lock nut lock bolt, the pedestal front side is located through the connecting pin to the lower clamping jaw, the top clamping jaw is laminated with the work piece of placing on the saddle of pedestal front side, the cap type nut is located one side of top clamping jaw, with the back point contact of top clamping jaw, the clamping jaw mount pad is fixed in on the table surface through fixing device.
2. The two-degree-of-freedom adjustable clamping tool according to claim 1, characterized in that: the back surface of the upper clamping jaw is in an inner arc shape.
3. The two-degree-of-freedom adjustable clamping tool according to claim 1, characterized in that: the contact surface of the upper clamping jaw and the workpiece is in a knurled design.
4. The two-degree-of-freedom adjustable clamping tool according to claim 1, characterized in that: the contact surface of the upper clamping jaw and the workpiece is inclined.
5. The two-degree-of-freedom adjustable clamping tool according to claim 1, characterized in that: the bottom of the lower clamping jaw is spaced from the bottom of the workpiece by a certain distance.
6. The two-degree-of-freedom adjustable clamping tool according to claim 1, characterized in that: the fixing device comprises calipers, a screw rod and a base, wherein the screw rod is arranged in a clamping groove in the base, the bottom of a seat body of the clamping jaw mounting seat is clamped on the screw rod, the clamping jaw mounting seat is mounted on the base through the calipers which are positioned on one side of the seat body and matched with the screw rod, and the screw rod is used for controlling the clamping jaw mounting seat to move back and forth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226641.9U CN216759039U (en) | 2022-01-27 | 2022-01-27 | Double-freedom-degree adjustable clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226641.9U CN216759039U (en) | 2022-01-27 | 2022-01-27 | Double-freedom-degree adjustable clamping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216759039U true CN216759039U (en) | 2022-06-17 |
Family
ID=81978320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220226641.9U Active CN216759039U (en) | 2022-01-27 | 2022-01-27 | Double-freedom-degree adjustable clamping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216759039U (en) |
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2022
- 2022-01-27 CN CN202220226641.9U patent/CN216759039U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240306 Address after: No. 47 Central North Road, Gulou District, Nanjing City, Jiangsu Province, 210037 Patentee after: Nanjing Turbine Power Equipment Co.,Ltd. Country or region after: China Address before: 210037 No. 80 North Central Road, Jiangsu, Nanjing Patentee before: NANJING TURBINE & ELECTRIC MACHINERY (Group) Co.,Ltd. Country or region before: China |