CN213438674U - Positioning tool for grinding eccentric taper hole of tailstock sleeve - Google Patents
Positioning tool for grinding eccentric taper hole of tailstock sleeve Download PDFInfo
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- CN213438674U CN213438674U CN202022324797.4U CN202022324797U CN213438674U CN 213438674 U CN213438674 U CN 213438674U CN 202022324797 U CN202022324797 U CN 202022324797U CN 213438674 U CN213438674 U CN 213438674U
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- cylindrical clamp
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000003825 pressing Methods 0.000 claims description 29
- 238000003754 machining Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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Abstract
The utility model discloses a tailstock sleeve eccentric taper hole grinding is with location frock, its characterized in that: the fixture comprises a hollow cylindrical clamp body (1), a plurality of groups of fixing and supporting mechanisms and adjusting and clamping mechanisms are uniformly distributed in the length direction of the clamp body (1), meanwhile, a positioning pin mechanism is further arranged in the middle of the clamp body (1), each fixing and supporting mechanism comprises a bottom supporting block (2) located at the bottom of the cylindrical clamp body (1), the top end of each bottom supporting block (2) penetrates through a through hole formed in the cylindrical clamp body (1) and is located in an inner cavity of the cylindrical clamp body (1), each fixing and supporting mechanism further comprises a lateral supporting block (3) fixedly connected to the side wall of the cylindrical clamp body (1) through a connecting bolt, and the end portion of each lateral supporting block (3) penetrates through the through hole formed in the cylindrical clamp body (1) and is located in the inner cavity of the cylindrical clamp body (1).
Description
Technical Field
The utility model relates to a frock clamp, especially a tailstock sleeve eccentric taper hole grinding is with location frock.
Background
An eccentric shaft is required to be used on a tailstock sleeve of a machine tool, and meanwhile, the shaft hole of the eccentric shaft needs to be ground. However, since the shaft is eccentric, the machine tool is not easily adjusted during the turning and grinding of the taper hole, and even if the adjustment and calibration are performed with great effort, it is difficult to ensure the machining accuracy and the machining efficiency is low. There is therefore a need for a method or apparatus that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve the above-mentioned not enough that prior art exists, provide a simple structure, design benefit, rationally distributed, can press from both sides tightly, fix a position the eccentric shaft fast, conveniently to grinding's location frock.
The technical solution of the utility model is that: the utility model provides a tailstock sleeve eccentric taper hole grinding is with location frock which characterized in that: the tool comprises a hollow cylindrical fixture body 1, a plurality of groups of fixed supporting mechanisms and adjusting clamping mechanisms are uniformly distributed in the length direction of the fixture body 1, a positioning pin mechanism is arranged in the middle of the fixture body 1,
the fixed supporting mechanism comprises a bottom supporting block 2 positioned at the bottom of the cylindrical clamp body 1, the top end of the bottom supporting block 2 penetrates through a through hole formed in the cylindrical clamp body 1 and is positioned in an inner cavity of the cylindrical clamp body 1, the fixed supporting mechanism further comprises a lateral supporting block 3 fixedly connected to the side wall of the cylindrical clamp body 1 through a connecting bolt, the end part of the lateral supporting block 3 penetrates through the through hole formed in the cylindrical clamp body 1 and is positioned in the inner cavity of the cylindrical clamp body 1,
the adjusting and clamping mechanism comprises a top clamping pressing block 4 and a lateral clamping pressing block 5, the top clamping pressing block 4 and the lateral clamping pressing block 5 are both in threaded connection with threaded holes formed in the cylindrical clamp body 1, one ends of the top clamping pressing block 4 and the lateral clamping pressing block 5, which are positioned outside the cylindrical clamp body 1, are both provided with a driving hexagonal 6, and one side, which is far away from the driving hexagonal 6, penetrates through the threaded holes and is positioned in an inner cavity of the cylindrical clamp body 1,
the lateral supporting block 3, the bottom supporting block 2, the lateral clamping pressing block 5 and the top clamping pressing block 4 are respectively distributed on the three o 'clock direction, the six o' clock direction, the nine o 'clock direction and the twelve o' clock direction of the longitudinal section of the cylindrical clamp body 1,
the positioning pin mechanism comprises a pin sleeve 7 fixedly arranged on the cylindrical clamp body 1, a positioning pin 8 is connected in the pin sleeve 7 in a sliding mode, and the bottom end of the positioning pin 8 penetrates through the pin sleeve 7 and is located in the inner cavity of the cylindrical clamp body 1.
Compared with the prior art, the utility model, have following advantage:
this kind of structural style's eccentric taper hole of tailstock sleeve grinding is with location frock, a structure is simple, design benefit, it is rationally distributed, it is difficult to accurate location and the tight problem of clamp to traditional eccentric shaft, a special structure is designed, it utilizes the supporting shoe that is located three o' clock and six o 'clock directions to support the eccentric shaft, utilize the compact heap of nine o' clock and twelve o 'clock directions to compress tightly the eccentric shaft on eccentric position, utilize the locating pin to restrict its circumferencial direction's degree of freedom simultaneously, thereby realize the fast reading, it is accurate, convenient eccentric location presss from both sides tight operation. The appearance of the eccentric shaft taper hole machining device can greatly improve the machining efficiency and machining precision of the eccentric shaft taper hole and simultaneously reduce the labor capacity of personnel. And the manufacturing process is simple, the manufacturing cost is low, so that the novel LED lamp has multiple advantages, is particularly suitable for popularization and application in the field, and has a very wide market prospect.
Drawings
Fig. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a side view of an embodiment of the invention.
Detailed Description
The following description will explain embodiments of the present invention with reference to the drawings. As shown in fig. 1 and 2: a positioning tool for grinding an eccentric taper hole of a tailstock sleeve comprises a hollow cylindrical clamp body 1, a plurality of groups of fixed supporting mechanisms and adjusting clamping mechanisms are uniformly distributed in the length direction of the clamp body 1, a positioning pin mechanism is arranged in the middle of the clamp body 1,
the fixed supporting mechanism comprises a bottom supporting block 2 positioned at the bottom of the cylindrical clamp body 1, the top end of the bottom supporting block 2 penetrates through a through hole formed in the cylindrical clamp body 1 and is positioned in an inner cavity of the cylindrical clamp body 1, the fixed supporting mechanism further comprises a lateral supporting block 3 fixedly connected to the side wall of the cylindrical clamp body 1 through a connecting bolt, the end part of the lateral supporting block 3 penetrates through the through hole formed in the cylindrical clamp body 1 and is positioned in the inner cavity of the cylindrical clamp body 1,
the adjusting and clamping mechanism comprises a top clamping pressing block 4 and a lateral clamping pressing block 5, the top clamping pressing block 4 and the lateral clamping pressing block 5 are both in threaded connection with threaded holes formed in the cylindrical clamp body 1, one ends of the top clamping pressing block 4 and the lateral clamping pressing block 5, which are positioned outside the cylindrical clamp body 1, are both provided with a driving hexagonal 6, and one side, which is far away from the driving hexagonal 6, penetrates through the threaded holes and is positioned in an inner cavity of the cylindrical clamp body 1,
the lateral supporting block 3, the bottom supporting block 2, the lateral clamping pressing block 5 and the top clamping pressing block 4 are respectively distributed on the three o 'clock direction, the six o' clock direction, the nine o 'clock direction and the twelve o' clock direction of the longitudinal section of the cylindrical clamp body 1,
the positioning pin mechanism comprises a pin sleeve 7 fixedly arranged on the cylindrical clamp body 1, a positioning pin 8 is connected in the pin sleeve 7 in a sliding mode, and the bottom end of the positioning pin 8 penetrates through the pin sleeve 7 and is located in the inner cavity of the cylindrical clamp body 1.
The utility model discloses tailstock sleeve eccentric taper hole grinding is with work process of location frock as follows: firstly, an eccentric shaft 9 needing grinding is placed into an inner cavity of a cylindrical fixture body 1, proper bottom supporting blocks 2 and side supporting blocks 3 are selected in advance according to the specific size, specification and eccentricity degree of the eccentric shaft 9, a plurality of bottom supporting blocks 2 are inserted into the bottom of the cylindrical fixture body 1 through holes, and a plurality of side supporting blocks 3 are fixed on the side portion of the cylindrical fixture body 1 by utilizing connecting bolts,
then, the positioning pin 8 is inserted into the pin sleeve 7, and the end part of the positioning pin 8 is inserted into a key groove which is originally formed on the eccentric shaft 9, namely, the positioning pin 8 limits the degree of freedom of the eccentric shaft 9 in the rotating direction;
then the driving hexagons 6 at the ends of the top clamping pressing block 4 and the lateral clamping pressing block 5 are respectively rotated to drive the two pressing blocks to move towards the direction of the eccentric shaft 9, and under the action of the two pressing blocks and the two supporting blocks, the eccentric shaft 9 and the cylindrical clamp body 1 are relatively fixed, and the axes of the two pressing blocks and the cylindrical clamp body 1 are not overlapped.
The clamp is fixed on a main shaft of a machine tool, the machine tool is started, the main shaft drives the clamp and an eccentric shaft 9 fixed in the clamp to rotate together, and grinding operation of a taper hole on the eccentric shaft 9 is realized by matching with feeding action of a cutter.
Claims (1)
1. The utility model provides a tailstock sleeve eccentric taper hole grinding is with location frock which characterized in that: the tool comprises a hollow cylindrical fixture body (1), a plurality of groups of fixed supporting mechanisms and adjusting clamping mechanisms are uniformly distributed in the length direction of the fixture body (1), a positioning pin mechanism is arranged in the middle of the fixture body (1),
the fixed supporting mechanism comprises a bottom supporting block (2) positioned at the bottom of the cylindrical clamp body (1), the top end of the bottom supporting block (2) penetrates through a through hole formed in the cylindrical clamp body (1) and is positioned in an inner cavity of the cylindrical clamp body (1), the fixed supporting mechanism further comprises a lateral supporting block (3) fixedly connected to the side wall of the cylindrical clamp body (1) through a connecting bolt, the end part of the lateral supporting block (3) penetrates through the through hole formed in the cylindrical clamp body (1) and is positioned in the inner cavity of the cylindrical clamp body (1),
the adjusting and clamping mechanism comprises a top clamping pressing block (4) and a lateral clamping pressing block (5), the top clamping pressing block (4) and the lateral clamping pressing block (5) are in threaded connection with a threaded hole formed in the cylindrical clamp body (1), the ends, located outside the cylindrical clamp body (1), of the top clamping pressing block (4) and the lateral clamping pressing block (5) are provided with a driving hexagonal block (6), one side, far away from the driving hexagonal block (6), penetrates through the threaded hole and is located in the inner cavity of the cylindrical clamp body (1),
the lateral supporting block (3), the bottom supporting block (2), the lateral clamping pressing block (5) and the top clamping pressing block (4) are respectively distributed in the three o 'clock, six o' clock, nine o 'clock and twelve o' clock directions of the longitudinal section of the cylindrical clamp body (1),
the locating pin mechanism comprises a pin sleeve (7) fixedly arranged on the cylindrical clamp body (1), a locating pin (8) is connected in the pin sleeve (7) in a sliding mode, and the bottom end of the locating pin (8) penetrates through the pin sleeve (7) and is located in an inner cavity of the cylindrical clamp body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022324797.4U CN213438674U (en) | 2020-10-19 | 2020-10-19 | Positioning tool for grinding eccentric taper hole of tailstock sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022324797.4U CN213438674U (en) | 2020-10-19 | 2020-10-19 | Positioning tool for grinding eccentric taper hole of tailstock sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213438674U true CN213438674U (en) | 2021-06-15 |
Family
ID=76292344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022324797.4U Active CN213438674U (en) | 2020-10-19 | 2020-10-19 | Positioning tool for grinding eccentric taper hole of tailstock sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213438674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192338A (en) * | 2020-10-19 | 2021-01-08 | 通用技术集团大连机床有限责任公司 | Positioning tool for grinding eccentric taper hole of tailstock sleeve |
| CN115582744A (en) * | 2022-09-09 | 2023-01-10 | 江苏麦博纳传动技术有限公司 | Adjustable positioning fixture for grinding eccentric inner hole of shaft part |
-
2020
- 2020-10-19 CN CN202022324797.4U patent/CN213438674U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192338A (en) * | 2020-10-19 | 2021-01-08 | 通用技术集团大连机床有限责任公司 | Positioning tool for grinding eccentric taper hole of tailstock sleeve |
| CN115582744A (en) * | 2022-09-09 | 2023-01-10 | 江苏麦博纳传动技术有限公司 | Adjustable positioning fixture for grinding eccentric inner hole of shaft part |
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