CN212857789U - Precise numerical control lathe positioning fixture - Google Patents
Precise numerical control lathe positioning fixture Download PDFInfo
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- CN212857789U CN212857789U CN202021480255.XU CN202021480255U CN212857789U CN 212857789 U CN212857789 U CN 212857789U CN 202021480255 U CN202021480255 U CN 202021480255U CN 212857789 U CN212857789 U CN 212857789U
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- threaded rod
- sample table
- threaded
- bevel gear
- fixedly connected
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Abstract
The utility model provides a positioning clamp of a precise numerical control lathe, which comprises a sample table, wherein a base is arranged below the sample table, the sample table is fixedly connected with the base through a bracket, a plurality of clamping plates are arranged on the sample table, the clamping plates are arranged in a limiting groove, a threaded rod passes through the bottom of the clamping plates, the threaded rod is arranged under the limiting groove, a threaded through hole is in threaded fit with the threaded rod, fixed blocks are arranged at the two ends of the threaded rod, the threaded rod is rotationally connected with the fixed block at the outer side, the other end of the threaded rod passes through the fixed block at the inner side and is fixedly connected with the middle part of a first helical gear, the first helical gear is arranged above a second helical gear and is matched with the second helical gear, the utility model adopts a plurality of clamping plates to simultaneously move towards the center of the sample table under the driving of the threaded rod, so as to clamp, the clamping effect is good, and a plurality of splint have same motor drive, the energy can be saved, reduce cost.
Description
Technical Field
The utility model relates to an electromagnetic equipment technical field, in particular to accurate numerical control lathe positioning fixture.
Background
In the processing of a precise numerical control lathe, particularly in the special processing of customized non-standard workpieces, due to the action of a cutter and the gravity influence of the workpieces, the workpieces are likely to be eccentric, the processing quality is unqualified, even the whole workpiece is scrapped, the processing cost loss is caused, the workpieces can be fixed on the lathe only by using various fixtures, the existing tool fixture is complex and the processing effect is poor, so that a lathe positioning fixture with simple structure and convenient operation is required in the industry, and the problem facing the industry is solved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a positioning clamp of a precise numerical control lathe, which comprises a sample table, wherein a base is arranged below the sample table, the sample table is fixedly connected with the base through a bracket, a plurality of clamping plates are arranged on the sample table, the clamping plates are arranged in a limiting groove, the limiting groove is distributed on the sample table in a central scattering shape, a threaded rod passes through the bottom of the clamping plate, the threaded rod is arranged under the limiting groove, a threaded through hole is arranged at the bottom of the clamping plate, the threaded through hole is in threaded fit with the threaded rod, fixed blocks are arranged at the two ends of the threaded rod, the threaded rod is rotationally connected with the fixed block at the outer side, the other end of the threaded rod passes through the fixed block at the inner side and is fixedly connected with the middle part of a first bevel gear, the first bevel gear is arranged, and a driving motor is arranged below the second bevel gear.
Preferably, the diameter of the first helical gear is smaller than that of the second helical gear, and the plurality of first helical gears do not collide with each other.
Preferably, the output end of the driving motor is fixedly connected with the middle part of the second bevel gear.
Preferably, a guide rod is arranged between the fixing blocks on the two opposite sides, two ends of the guide rod are fixedly connected with the fixing blocks respectively, and the guide rod penetrates through the bottom of the clamping plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a second helical gear rotates under driving motor's drive, the second helical gear drives first helical gear and rotates, first helical gear drives a plurality of threaded rods and rotates simultaneously, when the threaded rod rotates splint move on the threaded rod under the restriction of guide bar, and when needing the centre gripping work piece, a plurality of splint remove to sample platform center simultaneously under the drive of threaded rod, with the work piece centre gripping, fix a position accurately, a plurality of splint centre gripping simultaneously, and the centre gripping is effectual, and a plurality of splint have same motor drive, the energy can be saved, reduce cost.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a top view of the base;
fig. 4 is a schematic view of the structure of the splint.
In the shown drawing, the sample table 1, the base 2, the bracket 3, the clamping plate 4, the limiting groove 5, the threaded rod 6, the threaded through hole 7, the fixing block 8, the first bevel gear 9, the second bevel gear 10, the driving motor 11 and the guide rod 12.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1-4, a positioning fixture for a precision numerically controlled lathe comprises a sample stage 1, a base 2 is arranged below the sample stage 1, the sample stage 1 and the base 2 are fixedly connected through a support 3, a plurality of clamping plates 4 are arranged on the sample stage 1, the clamping plates 4 are arranged in a limiting groove 5, the limiting groove 5 is distributed in a central scattering shape, a threaded rod 6 penetrates through the bottom of each clamping plate 4, the threaded rod 6 is arranged right below the limiting groove 5, a threaded through hole 7 is arranged at the bottom of each clamping plate 4, the threaded through hole 7 is in threaded fit with the threaded rod 6, fixing blocks 8 are arranged at two ends of the threaded rod 6, the threaded rod 6 is rotatably connected with the fixing block 8 at the outer side, the other end of the threaded rod 6 penetrates through the fixing block 8 at the inner side and is fixedly connected with the middle part of a first helical gear 9, the first helical gear 9 is arranged above a second helical gear 10, the driving motor 11 is arranged below the second helical gear 10, the diameter of the first helical gear 9 is smaller than that of the second helical gear 10, the plurality of first helical gears 9 do not collide with each other, the output end of the driving motor 11 is fixedly connected with the middle part of the second helical gear 10, a guide rod 12 is arranged between the fixing blocks 8 at two opposite sides, two ends of the guide rod 12 are fixedly connected with the fixing blocks 8 respectively, the guide rod 12 penetrates through the bottom of the clamping plate 4, the guide rod 12 plays a guiding role in the clamping plate 4, the second helical gear 10 rotates under the driving of the driving motor 11, the driving motor 11 is fixed at the middle part of the base 2, the second helical gear 10 drives the first helical gear 9 to rotate, the first helical gear 9 drives the threaded rod 6 to rotate, the threaded through hole 7 at the bottom of the clamping plate 4 is in threaded fit with the threaded rod 6, when the threaded rod 6 rotates, the clamping plate 4 moves on the threaded rod 6 under the limitation of the, when a workpiece needs to be clamped, the clamping plates 4 are driven by the threaded rods 6 to move towards the center of the sample table 1 at the same time, and the workpiece is clamped.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (4)
1. A positioning fixture of a precise numerical control lathe is characterized by comprising a sample table, wherein a base is arranged below the sample table, the sample table is fixedly connected with the base through a bracket, a plurality of clamping plates are arranged on the sample table, the clamping plate is arranged in a limiting groove, the limiting groove is distributed on the sample table in a central scattering shape, the bottom of the clamping plate is penetrated by a threaded rod which is arranged under the limiting groove, the bottom of the clamping plate is provided with a threaded through hole, the threaded through hole is in threaded fit with a threaded rod, two ends of the threaded rod are provided with fixed blocks, the threaded rod is rotationally connected with the fixed blocks on the outer side, the other end of the threaded rod penetrates through the fixed block on the inner side and is fixedly connected with the middle part of the first bevel gear, the first bevel gear is arranged above the second bevel gear and matched with the second bevel gear, and the driving motor is arranged below the second bevel gear.
2. The positioning fixture for the precision numerically controlled lathe according to claim 1, wherein the diameter of the first bevel gear is smaller than that of the second bevel gear, and the first bevel gears do not collide with each other.
3. The positioning fixture of the precise numerical control lathe according to claim 1, wherein the output end of the driving motor is fixedly connected with the middle part of the second bevel gear.
4. The positioning fixture for the precision numerically controlled lathe as claimed in claim 1, wherein a guide rod is disposed between the two opposite side fixing blocks, two ends of the guide rod are respectively fixedly connected with the fixing blocks, and the guide rod passes through the bottom of the clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021480255.XU CN212857789U (en) | 2020-07-24 | 2020-07-24 | Precise numerical control lathe positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021480255.XU CN212857789U (en) | 2020-07-24 | 2020-07-24 | Precise numerical control lathe positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212857789U true CN212857789U (en) | 2021-04-02 |
Family
ID=75216819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021480255.XU Active CN212857789U (en) | 2020-07-24 | 2020-07-24 | Precise numerical control lathe positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212857789U (en) |
-
2020
- 2020-07-24 CN CN202021480255.XU patent/CN212857789U/en active Active
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