CN220128236U - Special-shaped workpiece spherical surface machining tool - Google Patents
Special-shaped workpiece spherical surface machining tool Download PDFInfo
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- CN220128236U CN220128236U CN202321007693.8U CN202321007693U CN220128236U CN 220128236 U CN220128236 U CN 220128236U CN 202321007693 U CN202321007693 U CN 202321007693U CN 220128236 U CN220128236 U CN 220128236U
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- 238000003754 machining Methods 0.000 title claims abstract description 24
- 238000003825 pressing Methods 0.000 claims abstract description 77
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 206010066054 Dysmorphism Diseases 0.000 claims 1
- 206010044565 Tremor Diseases 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a special-shaped workpiece spherical surface machining tool, which belongs to the technical field of mechanical tool clamping equipment and comprises the following components: the fixing seat is provided with a first positioning surface; the balancing weight is arranged on one side of the first positioning surface; the base is arranged on the other side of the first positioning surface; the side surface facing the balancing weight is set to be a second positioning surface; the second positioning surface is provided with a positioning disk which is arranged in a protruding way; the second positioning surface is provided with a plurality of pressing plates distributed around the positioning disc, the side surface of the pressing plate facing the positioning disc is set to be a profiling internal pressure surface, and an adjusting assembly is arranged between the pressing plate and the base; the pressure plate is connected with a tensioning assembly, and the tensioning assembly can drive the pressure plate to move along the direction approaching to or far from the second positioning surface; the counterweight can be designed and adjusted according to the weight of the special-shaped workpiece by utilizing the counterweight block, so that eccentricity is avoided; utilize positioning disk, clamp plate and pressure disk, the clamping special-shaped work piece that can be quick, the clamping is firm, has avoided the problem of trembling the sword in the course of working, has improved machining precision.
Description
Technical Field
The utility model relates to the technical field of mechanical tool clamping equipment, in particular to a special-shaped workpiece spherical surface machining tool.
Background
For certain special-shaped workpieces, such as valve body workpieces shown in fig. 5, which have through holes and more than one spherical surface and special-shaped surface, the valve body workpieces often have larger eccentric mass, are difficult to clamp during processing, have poor clamping stability, and easily generate the problem of knife vibration during processing, so that the processed valve body workpieces are difficult to meet a series of quality requirements such as roughness, form and position tolerance and the like, and the processing is difficult.
Therefore, for the special-shaped workpiece with the spherical surface, designing a machining tool capable of adjusting the counterweight to avoid eccentricity, improving clamping stability and meeting machining precision requirements is a problem to be solved in the prior art.
Disclosure of Invention
For the problems in the prior art, the special-shaped workpiece spherical surface machining tool provided by the utility model has the advantages that the balancing weight can be designed and adjusted according to the weight of the special-shaped workpiece by utilizing the balancing weight, so that the eccentricity is avoided during machining; utilize positioning disk, clamp plate and pressure disk, can be fast effectual clamp special-shaped work piece, the clamping is firm, has avoided the problem of trembling the sword in the course of working, has improved machining precision.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a special-shaped workpiece spherical surface machining tool, which comprises the following components:
the fixing seat is provided with a first positioning surface;
the balancing weight is arranged on one side of the first positioning surface;
the base is arranged on the other side of the first positioning surface; the side surface of the base, facing the balancing weight, is set to be a second positioning surface; the second positioning surface is provided with a positioning disc which is arranged in a protruding way; the second positioning surface is provided with a plurality of pressing plates distributed around the positioning disc, the side surface of the pressing plate facing the positioning disc is set to be a profiling internal pressure surface, and an adjusting assembly capable of adjusting the position of the pressing plate relative to the base is arranged between the pressing plate and the base;
the pressure plate, the pressure plate is connected with the tensioning assembly, the tensioning assembly can drive the pressure plate is along being close to or keep away from the direction of second locating surface.
As a preferable technical scheme, the first positioning surface and the second positioning surface are mutually perpendicular; and/or the balancing weight is fixedly connected with the fixing seat through bolts; and/or the base is welded on the fixed seat, and a reinforcing rib is arranged between the base and the fixed seat; and/or the positioning disc is fixedly connected with the base through bolts.
As a preferable technical scheme, a jacking component is arranged on the first positioning surface and is connected with a jacking block, and the jacking component can drive the jacking block to move along the direction close to or far away from the first positioning surface.
As a preferable technical scheme, the jacking assembly comprises a jacking bolt hole arranged on the first positioning surface, a jacking bolt in threaded connection with the jacking bolt hole is arranged in the jacking bolt hole, the head of the jacking bolt is positioned outside the fixing seat, and the jacking block is fixed on the head of the jacking bolt.
As a preferable technical scheme, be equipped with on the balancing weight and compress tightly the subassembly, compress tightly the subassembly and be connected with the briquetting, the briquetting is located the balancing weight with between the base, compress tightly the subassembly and can drive the briquetting is along being close to or keeping away from the direction of second locating surface removes.
As a preferable technical scheme, the compression assembly comprises a compression bolt through hole arranged on the balancing weight, and a compression bolt in threaded connection with the compression bolt through hole is arranged in the compression bolt through hole; the end part of the screw rod of the compression bolt is rotationally connected with the pressing block.
As a preferable technical scheme, the number of the pressing plates is two, and the two pressing plates are symmetrically arranged based on the axis of the positioning disc.
As a preferable technical scheme, the pressing plate is provided with an adjusting hole, the adjusting assembly comprises an adjusting bolt, and the adjusting bolt penetrates through the adjusting hole and is in threaded connection with the base.
As a preferable technical scheme, a supporting groove is formed in the side surface, facing the second positioning surface, of the pressing plate, a supporting bolt in threaded connection with the base is arranged on the second positioning surface, and the head of the supporting bolt is embedded into the supporting groove; the adjusting bolt is located between the supporting bolt and the positioning disc.
As a preferable technical scheme, the pressure plate is provided with a tensioning hole, the tensioning assembly comprises a tensioning screw rod, one end of the tensioning screw rod is fixedly connected with the positioning plate, and the other end of the tensioning screw rod penetrates through the tensioning hole and is in threaded connection with a tensioning nut.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the weight of the balancing weight can be adjusted according to the weight of the special-shaped workpiece, so that the eccentricity is avoided during processing; the positioning disc is matched with the through hole of the special-shaped workpiece to realize preliminary positioning; the pressure plate can clamp the special-shaped workpiece on the second positioning surface; the plurality of pressing plates distributed around the positioning disc are abutted with the spherical surface of the special-shaped workpiece, so that the special-shaped workpiece can be clamped fast and effectively, the clamping is firm, the problem of knife vibration in the machining process is avoided, and the machining precision is improved.
2. When the special-shaped workpiece is required to be dismounted, the special-shaped workpiece can be taken out only by loosening the pressure plate and dismounting the tensioning screw from the positioning plate, so that the dismounting is convenient and quick.
3. The utility model is generally applicable to common machine tool equipment and has strong universality.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of a spherical surface machining tool for a special-shaped workpiece;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is an assembly view of the valve body and like workpieces of FIG. 1;
fig. 5 is a schematic structural view of a valve body type workpiece.
In the figure: the device comprises a 1-fixed seat, a 11-first positioning surface, a 12-jacking bolt hole, a 2-balancing weight, a 21-pressing bolt through hole, a 3-base, a 31-second positioning surface, a 32-positioning disk, a 33-reinforcing rib, a 34-supporting bolt, a 4-pressing plate, a 41-profiling internal pressure surface, a 42-adjusting bolt, a 43-supporting groove, a 5-pressing plate, a 51-tensioning hole, a 52-tensioning screw, a 53-tensioning nut, a 6-jacking block, a 61-jacking bolt, a 7-pressing block, a 71-pressing bolt and an 8-valve body workpiece.
Detailed Description
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Referring to fig. 1-5, an embodiment of a tool for spherical surface machining of a special-shaped workpiece provided by the present utility model includes: the fixed seat 1 is a base of the utility model, and a first positioning surface 11 on the fixed seat 1 can be abutted with the outer wall surface of the valve body workpiece 8; the balancing weight 2 is positioned at one side of the first positioning surface 11, and the balancing weight of the balancing weight 2 can be adjusted according to the weight of the valve body workpiece 8, so that the eccentricity is avoided during processing; the base 3 is arranged opposite to the balancing weight 2 on the first positioning surface 11, a clamping cavity is formed between the base 3 and the balancing weight 2, and the valve body workpiece 8 is placed in the clamping cavity; the second positioning surface 31 on the base 3 faces the balancing weight 2, and the second positioning surface 31 can be abutted with the end surface of the valve body workpiece 8; the second positioning surface 31 is provided with a positioning disc 32 which is arranged in a protruding way, and the part of the positioning disc 32 protruding out of the second positioning surface 31 is disc-shaped and can be embedded into a through hole of the valve body workpiece 8 to initially position the valve body workpiece 8; the plurality of pressing plates 4 are distributed around the positioning disc 32, the shape of the profiling internal pressure surface 41 on the pressing plates 4 is matched with the shape of the outer wall surface of the corresponding position of the valve body workpiece 8, and the position of the pressing plates 4 is adjusted through the adjusting assembly, so that the profiling internal pressure surface 41 can be fully abutted against the outer wall surface of the valve body workpiece 8, and the clamping stability of the valve body workpiece 8 is improved; the pressing plate 5 can tightly press the valve body workpiece 8 on the second positioning surface 31 under the action of the tensioning assembly, and clamp the valve body workpiece 8.
Referring to fig. 4 and 5, when the valve body workpiece 8 is clamped by the present utility model, the spherical surface of the valve body workpiece 8 should preferably correspond to the positions of the plurality of pressing plates 4, so as to further improve the clamping stability.
1-4, the first positioning surface 11 and the second positioning surface 31 should be perpendicular to each other, and the first positioning surface 11 and the second positioning surface 31 can respectively position the valve body workpiece 8 in two perpendicular directions, so as to improve the positioning effect; the balancing weights 2 are preferably fixedly connected with the fixing seat 1 through bolts, so that the balancing weights 2 with different weights can be replaced conveniently; the base 3 is preferably fixed on the fixed seat 1 in a welding or bolt connection mode, the reinforcing ribs 33 are arranged between the base 3 and the fixed seat 1, and the reinforcing ribs 33 can further improve the fixing effect between the base 3 and the fixed seat 1; the positioning plate 32 is preferably fixedly connected with the base 3 through bolts, and the positioning plate 32 with proper size can be conveniently selected according to the inner diameter of the through hole of the valve body workpiece 8; further, a positioning groove can be formed in the second positioning surface 31 at a position corresponding to the positioning disc 32, the inner side surface of the positioning groove is set to be a conical surface, and correspondingly, a conical protrusion matched with the positioning groove is arranged at a position corresponding to the positioning disc 32, so that the positioning precision and the connection stability between the positioning disc 32 and the base 3 can be further improved.
In this embodiment, referring to fig. 1 to 3, a tightening assembly is disposed on the first positioning surface 11, and is connected with a tightening block 6, where the tightening assembly can drive the tightening block 6 to move along a direction approaching or separating from the first positioning surface 11, and the tightening block 6 can abut against the abnormal outer wall surface of the valve body workpiece 8 to support and tighten the valve body workpiece 8; further, the jacking assembly comprises a jacking bolt hole 12 arranged on the first positioning surface 11, the jacking bolt hole 12 is arranged along the direction perpendicular to the first positioning surface 11, a jacking bolt 61 in threaded connection with the jacking bolt hole 12 is arranged in the jacking bolt hole 12, the head of the jacking bolt 61 is positioned outside the fixed seat 1, the jacking block 6 is fixed on the head of the jacking bolt 61, the distance between the jacking block 6 and the first positioning surface 11 can be adjusted by rotating the jacking bolt 61, and the jacking block 6 is ensured to be abutted against the special-shaped outer wall surface of the valve body workpiece 8; in other embodiments, the tightening assembly may be a screw, the nut of the screw is fixedly connected with the first positioning surface 11, the tightening block 6 is disposed at the end of the screw, and the tightening block 6 may be abutted against the abnormal outer wall surface of the valve body workpiece 8 by rotating the screw of the screw.
In this embodiment, referring to fig. 1-3, a pressing component is disposed on the counterweight 2, the pressing component is connected with a pressing block 7, the pressing block 7 is located between the counterweight 2 and the base 3, the pressing component can drive the pressing block 7 to move along a direction approaching or separating from the second positioning surface 31, the pressing block 7 can be abutted with an outer wall surface of the valve body workpiece 8, and can assist in supporting the valve body workpiece 8; further, the compression assembly comprises a compression bolt through hole 21 arranged on the balancing weight 2, the compression bolt through hole 21 is arranged along the direction from the balancing weight 2 to the base 3, and a compression bolt 7 in threaded connection with the compression bolt through hole 21 is arranged in the compression bolt through hole; the end part of the screw rod of the compression bolt 7 is rotationally connected with the pressing block 7, the distance between the pressing block 7 and the second positioning surface 31 can be adjusted by rotating the compression bolt 7, and the abutting of the pressing block 7 and the special-shaped outer wall surface of the valve body workpiece 8 is ensured; specifically, the screw rod of the compression bolt 7 and the pressing block 7 can be in rotary connection through a bearing; further, the pressing block 7 is preferably positioned between the first positioning surface 11 and the tensioning screw 52, and the pressing block 7 does not prevent the valve body type workpiece 8 from being dismounted; in other embodiments, the pressing assembly may be a screw, the nut of the screw is fixedly connected with the balancing weight 2, the pressing block 7 is rotationally connected with the end of the screw, and the pressing block 7 can be abutted on the special-shaped outer wall surface of the valve body workpiece 8 by rotating the screw of the screw.
In this embodiment, referring to fig. 1, 2 and 4, two pressing plates 4 are provided, the two pressing plates 4 are symmetrically arranged based on the axis of the positioning disc 32, and the two pressing plates 4 can apply stable and symmetrical pressing force to the spherical surface of the valve body workpiece 8, so as to ensure the clamping effect; in other embodiments, the number of the pressing plates 4 may be set to three or more, and the three or more pressing plates 4 are preferably uniformly distributed around the positioning disc 32, so as to better clamp the valve body workpiece 8.
In this embodiment, referring to fig. 1, 2 and 4, an adjusting hole is formed on the pressing plate 4, the adjusting assembly includes an adjusting bolt 42, the adjusting bolt 42 passes through the adjusting hole and is in threaded connection with the base 3, and the distance between the pressing plate 4 and the second positioning surface 31 can be adjusted by rotating the adjusting bolt 42, so that the contact position between the profiling inner pressure surface 41 and the outer wall surface of the valve body workpiece 8 can be adjusted, and the overall abutting and bonding between the profiling inner pressure surface 41 and the outer wall surface of the valve body workpiece 8 is ensured; further, a supporting groove 43 is formed in the side surface, facing the second positioning surface 31, of the pressing plate 4, a supporting bolt 34 in threaded connection with the base 3 is arranged on the second positioning surface 31, and the head of the supporting bolt 34 is embedded into the supporting groove 43, so that on one hand, the supporting bolt 34 is matched with the supporting groove 43, and the pressing block 7 can be prevented from rotating; in the second aspect, the supporting bolt 34 can play a role in supporting the pressing plate 4, so that the pressing plate 4 can be stably positioned at a specific position, and the pressing plate 4 is ensured to firmly clamp the valve body workpiece 8; preferably, the adjustment bolt 42 should be located between the support bolt 34 and the positioning plate 32.
In this embodiment, referring to fig. 1 to 4, a tensioning hole 51 is provided on the pressure plate 5, the tensioning assembly includes a tensioning screw 52, and the tensioning screw 52 can pass through the through hole of the valve body workpiece 8; one end of the tensioning screw 52 is in detachable fixed connection with the positioning disk 32 in a threaded connection mode, and the valve body workpiece 8 is convenient to detach in a mode of detaching the tensioning screw 52; the other end of the tensioning screw rod 52 passes through the tensioning hole 51 and is in threaded connection with the tensioning nut 53, and the pressure plate 5 can be tightly pressed on the valve body workpiece 8 by rotating the tensioning nut 53 to clamp the valve body workpiece 8; in other embodiments, the tensioning assembly may also be provided as a screw, the nut of the screw is fixedly connected with the positioning disc 32, the pressure plate 5 is fixed on the screw of the screw, and the pressure plate 5 can be tightly pressed on the valve body workpiece 8 by rotating the screw of the screw.
In order to improve the clamping effect, the shapes of the abutting surfaces of the first positioning surface 11, the second positioning surface 31, the positioning disc 32, the pressing disc 5, the jacking block 6 and the pressing block 7 and the valve body workpiece 8 are matched with the shape of the wall surface at the position corresponding to the valve body workpiece 8; rubber layers can be arranged on the abutting surfaces of the first positioning surface 11, the second positioning surface 31, the positioning disc 32, the pressure plate 5, the jacking block 6 and the pressing block 7 and the valve body workpiece 8 respectively; a rubber layer may be provided on the profiling inner pressure surface 41; the rubber layer can improve friction force and clamping effect, and can also avoid colliding or wearing the wall surface of the valve body workpiece 8.
The specific use mode of the utility model is as follows:
referring to fig. 1-4, a fixing base 1 is fixedly connected with a lathe spindle to enable a base 3 to be horizontal; the tensioning nut 53 and the pressure plate 5 are detached from the tensioning screw 52, the valve body workpiece 8 is sleeved on the tensioning screw 52 through the through hole of the valve body workpiece 8, one end of the through hole of the valve body workpiece 8 is sleeved on the positioning disc 32, the pressure plate 5 and the tensioning nut 53 are sequentially installed on the tensioning screw 52, the tensioning nut 53 is rotated to enable the pressure plate 5 to press the valve body workpiece 8, and the valve body workpiece 8 is initially positioned; the positions of the pressing plate 4 on the base 3, the jacking block 6 on the fixing seat 1 and the pressing block 7 on the balancing weight 2 are sequentially adjusted, so that the pressing plate 4, the jacking block 6 and the pressing block 7 are abutted against the valve body workpiece 8, and the valve body workpiece 8 is completely positioned.
When the valve body type workpiece 8 is detached, the pressing plate 4 on the base 3, the jacking block 6 on the fixing seat 1, the pressing block 7 on the balancing weight 2 and the pressing plate 5 are loosened with the valve body type workpiece 8, and then the tensioning screw 52 is detached from the positioning disc 32, so that the valve body type workpiece 8 can be taken out smoothly.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a dysmorphism work piece sphere processing frock which characterized in that includes:
the fixing seat is provided with a first positioning surface;
the balancing weight is arranged on one side of the first positioning surface;
the base is arranged on the other side of the first positioning surface; the side surface of the base, facing the balancing weight, is set to be a second positioning surface; the second positioning surface is provided with a positioning disc which is arranged in a protruding way; the second positioning surface is provided with a plurality of pressing plates distributed around the positioning disc, the side surface of the pressing plate facing the positioning disc is set to be a profiling internal pressure surface, and an adjusting assembly capable of adjusting the position of the pressing plate relative to the base is arranged between the pressing plate and the base;
the pressure plate, the pressure plate is connected with the tensioning assembly, the tensioning assembly can drive the pressure plate is along being close to or keep away from the direction of second locating surface.
2. The special-shaped workpiece spherical surface machining tool according to claim 1, wherein the first positioning surface and the second positioning surface are perpendicular to each other; and/or the balancing weight is fixedly connected with the fixing seat through bolts; and/or the base is welded on the fixed seat, and a reinforcing rib is arranged between the base and the fixed seat; and/or the positioning disc is fixedly connected with the base through bolts.
3. The special-shaped workpiece spherical surface machining tool according to claim 1, wherein a jacking component is arranged on the first positioning surface and is connected with a jacking block, and the jacking component can drive the jacking block to move in a direction close to or far away from the first positioning surface.
4. The special-shaped workpiece spherical surface machining tool according to claim 3, wherein the tightening assembly comprises a tightening bolt hole formed in the first positioning surface, a tightening bolt in threaded connection with the tightening bolt hole is arranged in the tightening bolt hole, the head of the tightening bolt is located outside the fixing seat, and the tightening block is fixed on the head of the tightening bolt.
5. The special-shaped workpiece spherical surface machining tool according to claim 1, wherein the balancing weight is provided with a pressing assembly, the pressing assembly is connected with a pressing block, the pressing block is located between the balancing weight and the base, and the pressing assembly can drive the pressing block to move along a direction close to or far away from the second locating surface.
6. The special-shaped workpiece spherical surface machining tool according to claim 5, wherein the compression assembly comprises a compression bolt through hole arranged on the balancing weight, and a compression bolt in threaded connection with the compression bolt through hole is arranged in the compression bolt through hole; the end part of the screw rod of the compression bolt is rotationally connected with the pressing block.
7. The special-shaped workpiece spherical surface machining tool according to claim 1, wherein two pressing plates are arranged, and the two pressing plates are symmetrically arranged based on the axis of the positioning disc.
8. The special-shaped workpiece spherical surface machining tool according to claim 1 or 7, wherein the pressing plate is provided with an adjusting hole, and the adjusting assembly comprises an adjusting bolt which passes through the adjusting hole and is in threaded connection with the base.
9. The special-shaped workpiece spherical surface machining tool according to claim 8, wherein a supporting groove is formed in the side surface, facing the second positioning surface, of the pressing plate, a supporting bolt in threaded connection with the base is arranged on the second positioning surface, and the head of the supporting bolt is embedded into the supporting groove; the adjusting bolt is located between the supporting bolt and the positioning disc.
10. The special-shaped workpiece spherical surface machining tool according to claim 1, wherein the pressure plate is provided with a tensioning hole, the tensioning assembly comprises a tensioning screw rod, one end of the tensioning screw rod is fixedly connected with the positioning plate, and the other end of the tensioning screw rod penetrates through the tensioning hole and is in threaded connection with a tensioning nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007693.8U CN220128236U (en) | 2023-04-28 | 2023-04-28 | Special-shaped workpiece spherical surface machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007693.8U CN220128236U (en) | 2023-04-28 | 2023-04-28 | Special-shaped workpiece spherical surface machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220128236U true CN220128236U (en) | 2023-12-05 |
Family
ID=88954508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321007693.8U Active CN220128236U (en) | 2023-04-28 | 2023-04-28 | Special-shaped workpiece spherical surface machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220128236U (en) |
-
2023
- 2023-04-28 CN CN202321007693.8U patent/CN220128236U/en active Active
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