CN211102762U - Spline broach anchor clamps - Google Patents
Spline broach anchor clamps Download PDFInfo
- Publication number
- CN211102762U CN211102762U CN201922197770.0U CN201922197770U CN211102762U CN 211102762 U CN211102762 U CN 211102762U CN 201922197770 U CN201922197770 U CN 201922197770U CN 211102762 U CN211102762 U CN 211102762U
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- broach
- sleeve
- movable sleeve
- matched
- correspondingly
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Abstract
The utility model provides a spline broach anchor clamps, it includes shaft coupling (2), its characterized in that: one end of the coupler (2) is sleeved with a locking nut (1), the other end of the coupler (2) is provided with a broach sleeve (3), the broach sleeve (3) is sequentially sleeved with an auxiliary sleeve (4), a spring (12) and a movable sleeve (6) which are matched correspondingly, a pair of locking cutter blocks (10) are arranged on the broach sleeve (3), the movable sleeve (6) is provided with a groove (6 a) which is matched with the locking cutter blocks (10) correspondingly, and the broach sleeve (3) is further provided with a limit nut (8) which is matched with the movable sleeve (6) correspondingly. The utility model discloses compact structure, easy maintenance fixes a position through this device register keyboard and broach before starting the broach, has still realized the circulation operation simultaneously, places the work piece promptly-processing work piece-takes off the work piece, realizes processing the work piece fast, and save time improves the productivity.
Description
The technical field is as follows:
the utility model relates to a processingequipment of colored keyboard, specifically speaking are exactly a colored key broach anchor clamps.
Background art:
the broaching tool is a high-precision and high-efficiency multi-tooth tool, can machine the inner and outer surfaces of various shapes, and can obtain high machining precision and surface finish.
Because the broach is in linear cutting motion along the axis, the position of the broach must be ensured to be correct when the whole machining is started, otherwise, the precision of the spline of the patterned keyboard is affected, and the quality of the spline disk is not over-qualified, so that defective products and waste products are formed. The position of the broach needs to be corrected and checked before the broach is installed, and the existing broach is complex in correction and check mode, high in labor intensity, difficult to control and easy to damage cutter teeth; the installation is operated by workers, the labor intensity is high, the safety is poor, the assembly quality is not easy to guarantee, and the working efficiency is low.
The utility model has the following contents:
from the utility model discloses be exactly in order to overcome not enough among the prior art, provide a spline broach anchor clamps.
The application provides the following technical scheme:
the utility model provides a spline broach anchor clamps, it includes the shaft coupling, its characterized in that: one end of the coupler is sleeved with a locking nut, the other end of the coupler is provided with a broach sleeve, the broach sleeve is sequentially sleeved with an auxiliary sleeve, a spring and a movable sleeve which are correspondingly matched, a pair of locking cutter blocks are arranged on the broach sleeve in a penetrating mode, the movable sleeve is provided with a abdicating groove which is correspondingly matched with the locking cutter blocks, and the broach sleeve is further provided with a limiting nut which is correspondingly matched with the movable sleeve.
On the basis of the technical scheme, the following further technical scheme can be provided:
a limiting plate is sleeved on the movable sleeve.
An auxiliary plate is sleeved on the coupler.
Utility model advantage:
the utility model discloses compact structure, easy maintenance fixes a position through this device register keyboard and broach before starting the broach, ensures that the broach during operation is in correct position, and the effectual processingquality who ensures the spline dish has still realized the circulation operation simultaneously, places the work piece promptly-processing work piece-takes off the work piece, realizes processing the work piece fast, and save time improves the productivity.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
fig. 3 is a schematic structural view of the middle locking knife block of the present invention.
The specific implementation mode is as follows:
as shown in fig. 1 to 3, a spline broach fixture comprises a coupler 2, the cross section of the coupler 2 is T-shaped, and the coupler 2 comprises a vertical portion 2a and a circular truncated cone portion 2b, through holes are coaxially distributed on the coupler 2, and the through holes penetrate through the vertical portion 2a and the circular truncated cone portion 2 b.
A thread section is arranged at the lower end part of the vertical part 2a, and a locking nut 1 which is correspondingly matched is sleeved on the thread section. A group of first mounting holes 2c distributed axially are uniformly distributed on the circular truncated cone part 2b, an auxiliary plate 13 is sleeved on the vertical part 2a, the diameter of the auxiliary plate 13 is the same as that of the circular truncated cone part 2b, and a group of counter bores 13a corresponding to the first mounting holes 2c are uniformly distributed on the bottom end surface of the auxiliary plate 13.
The top end face of the circular truncated cone part 2b is provided with a circular truncated cone-shaped broach sleeve 3, the broach sleeve 3 comprises a broach circular truncated cone 3d and broach columns 3e coaxially distributed on the broach circular truncated cone 3d, the broach circular truncated cone 3d and the broach columns 3e are of an integrated structure, the diameter of the broach circular truncated cone 3d is larger than that of the broach columns 3e, and a group of second mounting holes 3a corresponding to the first mounting holes 2c are uniformly distributed in the broach circular truncated cone 3d on the outer side of the broach columns 3 e.
And screws are sequentially screwed into the countersunk holes 13a, the first mounting holes 2c and the second mounting holes 3a, and the auxiliary plate 13, the broach sleeve 3 and the coupler 2 are coaxially connected and fixed together. The accessory plate 13 can ensure the utility model discloses the straightness that hangs down in the course of working reduces shaft coupling 2's the production degree of difficulty simultaneously, the 2 counter weights of shaft coupling of being convenient for.
The middle upper part of the broach column 3e is provided with first through holes 3c which are coaxially distributed, the lower part of the broach column 3e and the broach circular truncated cone 3d are provided with second through holes 3b, the first through holes 3c and the second through holes 3b are coaxially distributed, and the diameter of the first through holes 3c is smaller than that of the second through holes 3b and are mutually communicated.
A pair of arc-shaped holes 3f are formed in the broach column 3e, the arc-shaped holes 3f are communicated with the middle lower portion of the first through hole 3c, an arc-shaped locking cutter block 10 in sliding fit is arranged in each arc-shaped hole 3f, and the inner arc surface of each arc-shaped locking cutter block 10 is matched with a groove in the broach so as to clamp the broach.
The broach column 3e below the arc-shaped hole 3f is provided with a jack 3h communicated with the upper part of the second through hole 3b, a limit pin 5 is arranged in the jack 3h, and the limit pin 5 can prevent the broach from slipping when being in a free state.
The coaxial cover is equipped with the auxiliary cover 4 that the external diameter is less than broach round platform 3d diameter on broach post 3e, auxiliary cover 4 be its cross section of annular groove structure for L types, its shorter tank bottom one end and the outer disc contact of broach post 3e, its tank bottom and broach round platform 3d upper surface contact, the cover is equipped with spring 12 in the cell wall endotheca of auxiliary cover 4, the lower extreme and the shorter tank bottom contact of spring 12.
A movable sleeve 6 is sleeved on the broach column 3e above the spring 12, and a limit nut 8 correspondingly matched with the movable sleeve 6 is connected on the broach column 3e above the movable sleeve 6 in a threaded manner. A coaxial distributed lower annular groove 6c is arranged on the lower end face of the movable sleeve 6, the outer side of the lower annular groove 6c is sleeved with the outer side of the longer groove wall of the auxiliary sleeve 4 and forms sliding fit with the outer side, and the upper end of the spring 12 is in contact with the bottom of the lower annular groove 6 c. An annular abdicating groove 6a correspondingly matched with the arc-shaped locking cutter block 10 is arranged on the inner wall of the movable sleeve 6 above the lower annular groove 6c, a group of blind holes 6b are evenly distributed on the outer wall of the upper part of the movable sleeve 6, and a circle of annular step 6d is arranged on the movable sleeve 6 above the blind holes 6 b.
The outer side of the movable sleeve 6 is sleeved with a circular truncated cone-shaped limiting plate 11, the upper portion of the limiting plate 11 is provided with an overlapping ring platform 11a correspondingly matched with the annular step 6d, a group of through holes 11b corresponding to the blind holes 6b are evenly distributed on the outer circular surface of the limiting plate 11 below the overlapping ring platform 11a, and the through holes 11 are screwed with connecting screws 7, one ends of which can be inserted into the blind holes 6 b. A group of machine head limiting blocks 9 connected with the limiting plates 11 through screws are evenly distributed on the upper surfaces of the limiting plates 11 outside the lap joint ring table 11 a.
The working process is as follows:
firstly, the utility model discloses assemble in proper order, be connected the screw post on the shaft coupling 2 with the lathe and make it fix on the lathe through lock nut 1. The limiting plate 11 is pressed downwards by using external force, and then the movable sleeve 6 is driven to move downwards, so that the lower end of the movable sleeve 6 is in contact with the bottom of the auxiliary sleeve 4. At the moment, the annular abdicating groove 6a and the locking cutter block 10 are on the same horizontal plane, the spring 12 is compressed and contracted for energy storage, then the lower end of the cutter is inserted into the first through hole 3c, the locking cutter block 10 moves in the arc-shaped hole 3f under the extrusion of the cutter, and a part of the locking cutter block enters the annular abdicating groove 6a, so that the cutter is abdicating.
After the lower end of the cutter is in contact with the limiting pin 5, the spring 12 rebounds to release energy storage to drive the movable sleeve 6 to move upwards when external force is removed, the annular abdicating groove 6a is arranged to be staggered with the locking cutter block 10, the locking cutter block 10 moves radially under the extrusion of the movable sleeve 6 to clamp the cutter, and then the cutter is driven by the machine tool to move to machine the patterned keyboard. The external force can be the manual pressure of an operator or the downward pressing of a lower pressing piece on the machine tool to press the limiting plate 11.
Claims (3)
1. The utility model provides a spline broach anchor clamps, it includes shaft coupling (2), its characterized in that: one end of the coupler (2) is sleeved with a locking nut (1), the other end of the coupler (2) is provided with a broach sleeve (3), the broach sleeve (3) is sequentially sleeved with an auxiliary sleeve (4), a spring (12) and a movable sleeve (6) which are matched correspondingly, a pair of locking cutter blocks (10) are arranged on the broach sleeve (3), the movable sleeve (6) is provided with a groove (6 a) which is matched with the locking cutter blocks (10) correspondingly, and the broach sleeve (3) is further provided with a limit nut (8) which is matched with the movable sleeve (6) correspondingly.
2. A spline broach holder according to claim 1, in which: the movable sleeve (6) is also sleeved with a limiting plate (11).
3. A spline broach holder according to claim 1, in which: an auxiliary plate (13) is sleeved on the coupler (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197770.0U CN211102762U (en) | 2019-12-10 | 2019-12-10 | Spline broach anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197770.0U CN211102762U (en) | 2019-12-10 | 2019-12-10 | Spline broach anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211102762U true CN211102762U (en) | 2020-07-28 |
Family
ID=71709576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922197770.0U Active CN211102762U (en) | 2019-12-10 | 2019-12-10 | Spline broach anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211102762U (en) |
-
2019
- 2019-12-10 CN CN201922197770.0U patent/CN211102762U/en active Active
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