CN210937204U - Clamp system for machining high-precision eccentric shaft by using numerical control lathe - Google Patents
Clamp system for machining high-precision eccentric shaft by using numerical control lathe Download PDFInfo
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- CN210937204U CN210937204U CN201921927630.8U CN201921927630U CN210937204U CN 210937204 U CN210937204 U CN 210937204U CN 201921927630 U CN201921927630 U CN 201921927630U CN 210937204 U CN210937204 U CN 210937204U
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Abstract
The utility model discloses a fixture system for numerical control lathe processing high accuracy eccentric shaft, including eccentric shaft, three-jaw chuck, base member, regulating body and location bolt, the eccentric shaft has axle A and axle B, base member centre gripping fixed mounting is on three jack catch of three-jaw chuck, it has at least three locating hole A to open on the base member, the left and right sides symmetry division has locating pin hole A on the base member, it has positive deviation locating pin hole group spare A or/and negative deviation locating pin hole group spare A to open on the base member; the central position of the adjusting body is provided with a shaft hole corresponding to the screw through hole, the adjusting body is provided with at least three positioning holes B, the left side and the right side of the adjusting body are symmetrically provided with positioning pin holes B, the adjusting body is provided with a positive deviation positioning pin hole component B or/and a negative deviation positioning pin hole component B, the adjusting body and the base body are connected and fixed through fastening screws, and the shaft A of the eccentric shaft is matched and assembled in the shaft hole of the adjusting body. The utility model discloses the anchor clamps system processing eccentric shaft precision is high, and the precision can reach 0.01mm and stable in size, easily adjust.
Description
Technical Field
The utility model relates to an eccentric shaft part precision finishing technical field especially relates to an anchor clamps system that is used for numerical control lathe to process high accuracy eccentric shaft.
Background
The eccentric shaft part is widely applied in the field of automobiles, the eccentric shaft is machined in a large batch by professional equipment, the equipment investment is large, the machined precision is not high, and the machining of the eccentric shaft part with higher requirements on aviation, aerospace and the like cannot be met. The eccentric shaft processing always troubles the field of mechanical processing, and the traditional processing method is to use four-jaw clamping parts to carry out manual eccentricity on a lathe or a numerical control lathe or to use an eccentric tool to carry out eccentricity.
The traditional lathe is used for processing the defects of the eccentric shaft: the clamping jaws cannot be stably positioned, and the positioning is inaccurate when repeated clamping is carried out, so that the machining precision is low, the efficiency is low, and the size is unstable; and when the size is not good, the precise size fine adjustment cannot be carried out. The defect of the traditional eccentric tool: the initial positioning (the positioning precision is about 0.1mm) can be carried out, and the size fine adjustment cannot be carried out when the size is not good.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the prior art, the utility model aims to provide a fixture system for a numerical control lathe to process a high-precision eccentric shaft, the fixture system has high precision for processing the eccentric shaft, the precision can reach 0.01mm, and the fixture system has stable size and is easy to adjust; the fine adjustment amplitude can be increased and reduced according to the requirement, the clamp is easy to manufacture, the cost is low, and the clamp can replace any machining mode which cannot adjust the eccentric size.
The purpose of the utility model is realized through the following technical scheme:
a clamp system for a numerical control lathe to process a high-precision eccentric shaft comprises the eccentric shaft, a three-jaw chuck, a base body, a regulating body and a positioning bolt, wherein the eccentric shaft is provided with a shaft A and a shaft B, the central axis of the shaft A is parallel to that of the shaft B, the three-jaw chuck is provided with three jaws, the base body is fixedly clamped on the three jaws of the three-jaw chuck, a screw through hole penetrates through the central position of the base body, at least three positioning holes A are formed in the base body, positioning pin holes A matched with the positioning bolt are symmetrically formed in the left side and the right side of the base body respectively, and a positive deviation positioning pin hole assembly A or/and a negative deviation positioning pin hole assembly A are formed in the base body; the central position of the adjusting body is provided with a shaft hole corresponding to the through hole of the screw, the adjusting body is provided with at least three positioning holes B, the left side and the right side of the adjusting body are respectively provided with positioning pin holes B matched with the positioning bolts symmetrically, the adjusting body is provided with a positive deviation positioning pin hole component B or/and a negative deviation positioning pin hole component B, the adjusting body and the base body are fixedly connected through a fastening screw, and the fastening screw sequentially penetrates through the positioning holes B and the positioning holes A in a threaded manner; and the shaft A of the eccentric shaft is matched and assembled in the shaft hole of the adjusting body.
In order to better realize the utility model discloses, the utility model discloses still include straining screw, straining screw passes the screw through-hole of base member and the axle A screw thread tensioning connection of eccentric shaft.
The further technical scheme is as follows: the base body is provided with a positive deviation positioning pin hole component A and a negative deviation positioning pin hole component A, and the adjusting body is provided with a positive deviation positioning pin hole component B and a negative deviation positioning pin hole component B; the positive deviation positioning pin hole component A comprises a first positive deviation positioning pin hole component A and a second positive deviation positioning pin hole component A, the first positive deviation positioning pin hole component A comprises two first positive deviation positioning pin holes A, the two first positive deviation positioning pin holes A are symmetrically arranged on the base body, the second positive deviation positioning pin hole component A comprises two second positive deviation positioning pin holes A, and the two second positive deviation positioning pin holes A are symmetrically arranged on the base body; the negative deviation positioning pin hole assembly A comprises a first negative deviation positioning pin hole assembly A and a second negative deviation positioning pin hole assembly A, the first negative deviation positioning pin hole assembly A comprises two first negative deviation positioning pin holes A, the two first negative deviation positioning pin holes A are symmetrically arranged on the base body, the second negative deviation positioning pin hole assembly A comprises two second negative deviation positioning pin holes A, and the two second negative deviation positioning pin holes A are symmetrically arranged on the base body; the positive deviation positioning pin hole component B comprises a first positive deviation positioning pin hole component B and a second positive deviation positioning pin hole component B, the first positive deviation positioning pin hole component B comprises two first positive deviation positioning pin holes B, the two first positive deviation positioning pin holes B are symmetrically arranged on the adjusting body, the second positive deviation positioning pin hole component B comprises two second positive deviation positioning pin holes B, and the two second positive deviation positioning pin holes B are symmetrically arranged on the adjusting body; the second negative deviation positioning pin hole component B comprises a first negative deviation positioning pin hole component B and a second negative deviation positioning pin hole component B, the first negative deviation positioning pin hole component B comprises two first negative deviation positioning pin holes B, the two first negative deviation positioning pin holes B are symmetrically arranged on the adjusting body, the second negative deviation positioning pin hole component B comprises two second negative deviation positioning pin holes B, and the two second negative deviation positioning pin holes B are symmetrically arranged on the adjusting body; the two first positive deviation positioning pin holes A are in one-to-one correspondence with the two first positive deviation positioning pin holes B, the two second positive deviation positioning pin holes A are in one-to-one correspondence with the two second positive deviation positioning pin holes B, the two first negative deviation positioning pin holes A are in one-to-one correspondence with the two first negative deviation positioning pin holes B, and the two second negative deviation positioning pin holes A are in one-to-one correspondence with the two second negative deviation positioning pin holes B.
The further technical scheme is as follows: the two first positive deviation positioning pin holes A are symmetrically arranged on the base body up and down, the two second positive deviation positioning pin holes A are symmetrically arranged on the base body up and down, the two first negative deviation positioning pin holes A are symmetrically arranged on the base body left and right, and the two second negative deviation positioning pin holes A are symmetrically arranged on the base body left and right.
The further technical scheme is as follows: the first positive deviation positioning pin hole B on the adjusting body is a +0.01 deviation adjusting hole, the second positive deviation positioning pin hole B on the adjusting body is a +0.02 deviation adjusting hole, the first negative deviation positioning pin hole B on the adjusting body is a-0.01 deviation adjusting hole, and the second negative deviation positioning pin hole B on the adjusting body is a-0.02 deviation adjusting hole.
Preferably, the base body is provided with four positioning holes a, the four positioning holes a are arranged on the base body in a square shape, the adjusting body is provided with four positioning holes B, the four positioning holes B are arranged on the adjusting body in a square shape, the number of the fastening screws is four, and the four fastening screws, the four positioning holes B and the four positioning holes a are arranged in a one-to-one correspondence manner.
Preferably, the number of the positioning bolts is two.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
(1) the utility model discloses an eccentric shaft part mounting hole precision is high, but accurate positioning eccentric shaft part, and there is the micro-difference in the locating pin hole of each group on base member and the regulating body simultaneously, and this difference size has decided the size of fine setting size to realize finely tuning the function, have more obvious technological breakthrough with the mode of traditional turning eccentric shaft.
(2) The eccentric shaft processing precision of the clamp system of the utility model is high, the precision can reach 0.01mm, and the size is stable and easy to adjust; the fine adjustment amplitude can be increased and reduced according to the requirement, the clamp is easy to manufacture, the cost is low, and the clamp can replace any machining mode which cannot adjust the eccentric size.
Drawings
Fig. 1 is a schematic structural view of the eccentric shaft of the present invention;
FIG. 2 is a schematic structural view of the eccentric shaft mounted by the clamping system of the present invention;
FIG. 3 is a cross-sectional view in the direction of the side of FIG. 2;
FIG. 4 is a schematic structural view of a substrate in the example;
FIG. 5 is a schematic structural view of an adjustment body in the embodiment;
fig. 6 is a partially enlarged schematic view of fig. 3.
Wherein, the names corresponding to the reference numbers in the drawings are:
10-eccentric shaft, 101-shaft A, 102-shaft B, 1-three-jaw chuck, 2-clamping jaw, 3-base body, 31-positioning hole A, 32-positioning pin hole A, 33-first positive deviation positioning pin hole A, 34-second positive deviation positioning pin hole A, 35-first negative deviation positioning pin hole A, 36-second negative deviation positioning pin hole A, 37-screw through hole, 4-adjusting body, 41-positioning hole B, 42-positioning pin hole B, 43-first positive deviation positioning pin hole B, 44-second positive deviation positioning pin hole B, 45-first negative deviation positioning pin hole B, 46-second negative deviation positioning pin hole B, 47-shaft hole, 5-tensioning screw, 6-positioning bolt and 7-fastening screw.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
examples
As shown in fig. 1 to 6, a fixture system for machining a high-precision eccentric shaft by a numerical control lathe comprises an eccentric shaft 10, a three-jaw chuck 1, a tensioning screw 5, a base body 3, an adjusting body 4 and a positioning bolt 6, wherein the eccentric shaft 10 is provided with a shaft a101 and a shaft B102, the central axis of the shaft a101 is parallel to the central axis of the shaft B102 (as shown in fig. 1, the eccentric distance between the shaft a101 and the shaft B102 is a), the three-jaw chuck 1 is provided with three jaws 2, the base body 3 is fixedly clamped on the three jaws 2 of the three-jaw chuck 1, a screw through hole 37 penetrates through the central position of the base body 3, at least three positioning holes a31 are formed in the base body 3, positioning pin holes a32 matched with the positioning bolt 6 are symmetrically formed in the left side and the right side of the base body 3, and a positive deviation positioning pin hole assembly a or/and a negative. The central position of the adjusting body 4 is provided with a shaft hole 47 corresponding to the screw through hole 37, the adjusting body 4 is provided with at least three positioning holes B41, the left side and the right side of the adjusting body 4 are respectively provided with positioning pin holes B42 matched with the positioning bolts 6 symmetrically, and the adjusting body 4 is provided with a positive deviation positioning pin hole component B or/and a negative deviation positioning pin hole component B.
The utility model discloses it has positive deviation locating pin punch combination A and negative deviation locating pin punch combination A to open on preferred base member 3, and it has positive deviation locating pin punch combination B and negative deviation locating pin punch combination B to open on the regulating body 4. As shown in fig. 4, the positive deviation dowel hole assembly a includes a first positive deviation dowel hole assembly a and a second positive deviation dowel hole assembly a, the first positive deviation dowel hole assembly a includes two first positive deviation dowel hole a33, the two first positive deviation dowel hole a33 are symmetrically disposed on the base 3, the second positive deviation dowel hole assembly a includes two second positive deviation dowel hole a34, and the two second positive deviation dowel hole a34 are symmetrically disposed on the base 3. The negative deviation positioning pin hole assembly A comprises a first negative deviation positioning pin hole assembly A and a second negative deviation positioning pin hole assembly A, the first negative deviation positioning pin hole assembly A comprises two first negative deviation positioning pin holes A35, the two first negative deviation positioning pin holes A35 are symmetrically arranged on the base body 3, the second negative deviation positioning pin hole assembly A comprises two second negative deviation positioning pin holes A36, and the two second negative deviation positioning pin holes A36 are symmetrically arranged on the base body 3.
As shown in fig. 5, the positive deviation positioning pin hole assembly B includes a first positive deviation positioning pin hole assembly B and a second positive deviation positioning pin hole assembly B, the first positive deviation positioning pin hole assembly B includes two first positive deviation positioning pin holes B43, the two first positive deviation positioning pin holes B43 are symmetrically disposed on the adjusting body 4, the second positive deviation positioning pin hole assembly B includes two second positive deviation positioning pin holes B44, and the two second positive deviation positioning pin holes B44 are symmetrically disposed on the adjusting body 4. The second negative deviation positioning pin hole assembly B comprises a first negative deviation positioning pin hole assembly B and a second negative deviation positioning pin hole assembly B, the first negative deviation positioning pin hole assembly B comprises two first negative deviation positioning pin holes B45, the two first negative deviation positioning pin holes B45 are symmetrically arranged on the adjusting body 4, the second negative deviation positioning pin hole assembly B comprises two second negative deviation positioning pin holes B46, and the two second negative deviation positioning pin holes B46 are symmetrically arranged on the adjusting body 4.
As shown in fig. 4, two first positive deviation positioning pin holes a33 are vertically symmetrically disposed on the base 3, two second positive deviation positioning pin holes a34 are vertically symmetrically disposed on the base 3, two first negative deviation positioning pin holes a35 are horizontally symmetrically disposed on the base 3, and two second negative deviation positioning pin holes a36 are horizontally symmetrically disposed on the base 3. The two first positive deviation positioning pin holes a33 are arranged in one-to-one correspondence with the two first positive deviation positioning pin holes B43, the two second positive deviation positioning pin holes a34 are arranged in one-to-one correspondence with the two second positive deviation positioning pin holes B44, the two first negative deviation positioning pin holes a35 are arranged in one-to-one correspondence with the two first negative deviation positioning pin holes B45, and the two second negative deviation positioning pin holes a36 are arranged in one-to-one correspondence with the two second negative deviation positioning pin holes B46.
The preferred first positive offset dowel hole B43 on the adjustment body 4 of this embodiment is a +0.01 offset adjustment hole, the second positive offset dowel hole B44 on the adjustment body 4 is a +0.02 offset adjustment hole, the first negative offset dowel hole B45 on the adjustment body 4 is a-0.01 offset adjustment hole, and the second negative offset dowel hole B46 on the adjustment body 4 is a-0.02 offset adjustment hole. When in use, the number of the positioning bolts 6 is two.
The adjusting body 4 and the base body 3 are fixedly connected through a fastening screw 7, and the fastening screw 7 sequentially penetrates through the positioning hole B41 and the positioning hole A31 in a threaded mode. The shaft a101 of the eccentric shaft 10 is fitted in the shaft hole 47 of the adjustment body 4. As shown in fig. 2, the base 3 is provided with four positioning holes a31, the four positioning holes a31 are arranged on the base 3 in a square shape, the adjusting body 4 is provided with four positioning holes B41, the four positioning holes B41 are arranged on the adjusting body 4 in a square shape, the number of the fastening screws 7 is four, and the four fastening screws 7, the four positioning holes B41 and the four positioning holes a31 are arranged in a one-to-one correspondence manner.
As shown in fig. 3, the tightening screw 5 is screwed and tightened with the shaft a101 of the eccentric shaft 10 through the screw through hole 37 of the base body 3.
When the three-jaw chuck 1 of the lathe is used for clamping the base body 3 (after the base body 3 is clamped, the base body 3 is always fixed during subsequent size adjustment), the adjusting body 4 is inserted into any one group of positive deviation positioning pin hole component B or negative deviation positioning pin hole component B on the adjusting body 4 through the two positioning pins 6, meanwhile, the two positioning pins 6 correspondingly penetrate through one group of positive deviation positioning pin hole component A or negative deviation positioning pin hole component A, the base body 3 and the adjusting body 4 are fixed in position, and then the base body 3 and the adjusting body 4 are fastened through the four fastening screws 7. The shaft a101 of the eccentric shaft component is fitted into the shaft hole 47 (i.e., mounting hole) of the adjuster 4, and is fastened and fixed by the fastening screw 5 screwed to the shaft a101 of the eccentric shaft component from the back through the screw through hole 37 of the base body 3. Because the eccentric shaft 10 needs to cooperate with other parts, after other parts are assembled, the eccentric shaft 10 is required to have certain tolerance, because of being applied to the high-precision aviation and aerospace field, it requires that the eccentricity tolerance of the eccentric shaft 10 is in the level of 0.01mm, for example, the eccentricity of the eccentric shaft 10 is in the level of +0.01mm, -0.01mm, +0.02mm, -0.02mm or multiples thereof, the precision that can need to process the eccentric shaft 10 is 0.01mm, need measure once before finishing processing, then choose again the utility model discloses a processing that accords with the required precision is carried out to the anchor clamps system cooperation numerical control lathe. If the actual measurement size of the eccentricity A of the eccentric shaft part processed by the high-precision numerical control lathe (at the moment, the clamp system is not additionally arranged) is smaller than the theoretical design size by 0.01mm, then the additional clamp system is selected to carry out eccentricity fine adjustment processing, two positioning bolts 6 are selected to be inserted into the first positive deviation positioning pin hole A33 and the first positive deviation positioning pin hole B43 (at the moment, the eccentric shaft part can be increased by 0.01mm after the clamp system is additionally arranged), the processing of the high-precision numerical control lathe is finely adjusted, and thus the eccentric shaft part meeting the precision requirement can be processed.
When the eccentric size needs to be adjusted, the four fastening screws 7 are taken down, the two positioning bolts 6 are taken out and inserted into the holes of the positive deviation positioning pin hole assembly B or the negative deviation positioning pin hole assembly B with different sizes engraved on the adjusting body 4, the mounting holes of the eccentric shaft parts correspondingly displace, then the adjusting body 4 and the base body 3 are fastened by the four fastening screws 7, and the size fine adjustment of the eccentric distance is finished.
The sizes of the positive deviation positioning pin hole component B or the negative deviation positioning pin hole component B on the adjusting body 4 and the positive deviation positioning pin hole component A or the negative deviation positioning pin hole component A on the base body 3 are different, the positioning bolt 6 is inserted into different positioning pin holes, meanwhile, the mounting hole of the eccentric shaft part is displaced accordingly, the eccentric size fine adjustment can be completed, and the fine adjustment precision can reach 0.01 mm.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A clamping system for a numerically controlled lathe to machine a high-precision eccentric shaft, comprising an eccentric shaft (10) and a three-jaw chuck (1), wherein the eccentric shaft (10) has a shaft A (101) and a shaft B (102), the central axis of the shaft A (101) and the central axis of the shaft B (102) are parallel to each other, the three-jaw chuck (1) has three jaws (2), and is characterized in that: the three-jaw chuck is characterized by further comprising a base body (3), an adjusting body (4) and a positioning bolt (6), wherein the base body (3) is fixedly clamped on three clamping jaws (2) of the three-jaw chuck (1), a screw through hole (37) penetrates through the center of the base body (3), at least three positioning holes A (31) are formed in the base body (3), positioning pin holes A (32) matched with the positioning bolt (6) are symmetrically formed in the left side and the right side of the base body (3), and a positive deviation positioning pin hole assembly A or/and a negative deviation positioning pin hole assembly A is formed in the base body (3); the central position of the adjusting body (4) is provided with a shaft hole (47) corresponding to the screw through hole (37), the adjusting body (4) is provided with at least three positioning holes B (41), the left side and the right side of the adjusting body (4) are respectively provided with positioning pin holes B (42) matched with the positioning bolts (6) in a symmetrical mode, the adjusting body (4) is provided with a positive deviation positioning pin hole component B or/and a negative deviation positioning pin hole component B, the adjusting body (4) and the base body (3) are fixedly connected through a fastening screw (7), and the fastening screw (7) sequentially penetrates through the positioning holes B (41) and the positioning holes A (31); the shaft A (101) of the eccentric shaft (10) is matched and assembled in the shaft hole (47) of the adjusting body (4).
2. The clamping system for the numerically controlled lathe to machine the high-precision eccentric shaft according to claim 1, wherein: the eccentric shaft further comprises a tensioning screw (5), and the tensioning screw (5) penetrates through a screw through hole (37) of the base body (3) to be in threaded tensioning connection with a shaft A (101) of the eccentric shaft (10).
3. The clamping system for the numerically controlled lathe to machine the high-precision eccentric shaft according to claim 1 or 2, wherein: the base body (3) is provided with a positive deviation positioning pin hole component A and a negative deviation positioning pin hole component A, and the adjusting body (4) is provided with a positive deviation positioning pin hole component B and a negative deviation positioning pin hole component B; the positive deviation positioning pin hole component A comprises a first positive deviation positioning pin hole component A and a second positive deviation positioning pin hole component A, the first positive deviation positioning pin hole component A comprises two first positive deviation positioning pin holes A (33), the two first positive deviation positioning pin holes A (33) are symmetrically arranged on the base body (3), the second positive deviation positioning pin hole component A comprises two second positive deviation positioning pin holes A (34), and the two second positive deviation positioning pin holes A (34) are symmetrically arranged on the base body (3); the negative deviation positioning pin hole assembly A comprises a first negative deviation positioning pin hole assembly A and a second negative deviation positioning pin hole assembly A, the first negative deviation positioning pin hole assembly A comprises two first negative deviation positioning pin holes A (35), the two first negative deviation positioning pin holes A (35) are symmetrically arranged on the base body (3), the second negative deviation positioning pin hole assembly A comprises two second negative deviation positioning pin holes A (36), and the two second negative deviation positioning pin holes A (36) are symmetrically arranged on the base body (3); the positive deviation positioning pin hole component B comprises a first positive deviation positioning pin hole component B and a second positive deviation positioning pin hole component B, the first positive deviation positioning pin hole component B comprises two first positive deviation positioning pin holes B (43), the two first positive deviation positioning pin holes B (43) are symmetrically arranged on the adjusting body (4), the second positive deviation positioning pin hole component B comprises two second positive deviation positioning pin holes B (44), and the two second positive deviation positioning pin holes B (44) are symmetrically arranged on the adjusting body (4); the second negative deviation positioning pin hole component B comprises a first negative deviation positioning pin hole component B and a second negative deviation positioning pin hole component B, the first negative deviation positioning pin hole component B comprises two first negative deviation positioning pin holes B (45), the two first negative deviation positioning pin holes B (45) are symmetrically arranged on the adjusting body (4), the second negative deviation positioning pin hole component B comprises two second negative deviation positioning pin holes B (46), and the two second negative deviation positioning pin holes B (46) are symmetrically arranged on the adjusting body (4); the two first positive deviation positioning pin holes A (33) and the two first positive deviation positioning pin holes B (43) are arranged in a one-to-one correspondence mode, the two second positive deviation positioning pin holes A (34) and the two second positive deviation positioning pin holes B (44) are arranged in a one-to-one correspondence mode, the two first negative deviation positioning pin holes A (35) and the two first negative deviation positioning pin holes B (45) are arranged in a one-to-one correspondence mode, and the two second negative deviation positioning pin holes A (36) and the two second negative deviation positioning pin holes B (46) are arranged in a one-to-one correspondence mode.
4. The clamping system for the numerically controlled lathe to machine the high-precision eccentric shaft as claimed in claim 3, wherein: the two first positive deviation positioning pin holes A (33) are arranged on the base body (3) in a vertically symmetrical mode, the two second positive deviation positioning pin holes A (34) are arranged on the base body (3) in a vertically symmetrical mode, the two first negative deviation positioning pin holes A (35) are arranged on the base body (3) in a laterally symmetrical mode, and the two second negative deviation positioning pin holes A (36) are arranged on the base body (3) in a laterally symmetrical mode.
5. The clamping system for the numerically controlled lathe to machine the high-precision eccentric shaft as claimed in claim 4, wherein: the adjusting device is characterized in that a first positive deviation positioning pin hole B (43) on the adjusting body (4) is a +0.01 deviation adjusting hole, a second positive deviation positioning pin hole B (44) on the adjusting body (4) is a +0.02 deviation adjusting hole, a first negative deviation positioning pin hole B (45) on the adjusting body (4) is a-0.01 deviation adjusting hole, and a second negative deviation positioning pin hole B (46) on the adjusting body (4) is a-0.02 deviation adjusting hole.
6. The clamping system for the numerically controlled lathe to machine the high-precision eccentric shaft according to claim 1, wherein: the improved structure of the positioning structure is characterized in that four positioning holes A (31) are formed in the base body (3), the four positioning holes A (31) are arranged in a square shape on the base body (3), four positioning holes B (41) are formed in the adjusting body (4), the four positioning holes B (41) are arranged in the square shape on the adjusting body (4), the number of the fastening screws (7) is four, and the four fastening screws (7), the four positioning holes B (41) and the four positioning holes A (31) are arranged in a one-to-one correspondence mode.
7. The clamping system for the numerically controlled lathe to machine the high-precision eccentric shaft according to claim 1, wherein: the number of the positioning bolts (6) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921927630.8U CN210937204U (en) | 2019-11-11 | 2019-11-11 | Clamp system for machining high-precision eccentric shaft by using numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921927630.8U CN210937204U (en) | 2019-11-11 | 2019-11-11 | Clamp system for machining high-precision eccentric shaft by using numerical control lathe |
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| Publication Number | Publication Date |
|---|---|
| CN210937204U true CN210937204U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921927630.8U Active CN210937204U (en) | 2019-11-11 | 2019-11-11 | Clamp system for machining high-precision eccentric shaft by using numerical control lathe |
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| CN (1) | CN210937204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666199A (en) * | 2019-11-11 | 2020-01-10 | 成都威诺精密机械有限公司 | Clamp system for machining high-precision eccentric shaft by using numerical control lathe |
-
2019
- 2019-11-11 CN CN201921927630.8U patent/CN210937204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666199A (en) * | 2019-11-11 | 2020-01-10 | 成都威诺精密机械有限公司 | Clamp system for machining high-precision eccentric shaft by using numerical control lathe |
| CN110666199B (en) * | 2019-11-11 | 2024-05-03 | 成都威诺精密机械有限公司 | Clamp system for machining high-precision eccentric shaft by numerical control lathe |
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