CN206912279U - Shift of transmission guide block fork shaft hole machined positioning and clamping device - Google Patents
Shift of transmission guide block fork shaft hole machined positioning and clamping device Download PDFInfo
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- CN206912279U CN206912279U CN201720864918.XU CN201720864918U CN206912279U CN 206912279 U CN206912279 U CN 206912279U CN 201720864918 U CN201720864918 U CN 201720864918U CN 206912279 U CN206912279 U CN 206912279U
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- guide block
- positioning
- shaft hole
- fork shaft
- shift
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Abstract
The utility model discloses a kind of shift of transmission guide block fork shaft hole machined positioning and clamping device, including be arranged on lathe chuck center support base and annular be uniformly arranged the clamping unit on lathe chuck；The clamping unit includes radially installed the pawl seat on lathe chuck, described radially inner one end of pawl seat is provided with clamping jaw, the radially inner end face of clamping jaw is provided with the neck for being used for blocking gearshift guide block, and the circumferential positioning structure for circumferentially positioned gearshift guide block is molded between the neck of all clamping units；The fulcrum bearing includes fulcrum bearing body, and one end of the fulcrum bearing body is provided with the positioning hole of connector, the other end provided with guide block of being shifted gears for axially position, and the connector is fixedly connected with the dust cap of lathe chuck.Shift of transmission guide block fork shaft hole machined positioning and clamping device of the present utility model, can be by gearshift guide block Set and Positioning on lathe chuck, you can the processing in fork shaft hole can be disposably completed using lathe.
Description
Technical field
The utility model belongs to mechanical frock clamp art, specifically adds for a kind of shift of transmission guide block fork shaft hole
Work positioning and clamping device.
Background technology
As shown in figure 1, be a kind of existing structural representation of shift of transmission guide block, including gearshift block body 1, gearshift
Block body 1 is provided with fork shaft hole 2, and the periphery wall for block body 1 of shifting gears is provided with gearshift shifting block 3.Shift of transmission guide block is to become
A strength member in fast device gearshift, gearshift guide block drive shift rod, and shift rod drives selector fork, selector fork
Gearshift tooth set is stirred, completes the gear shifting action of speed changer.
The tolerance of fork shaft hole 2 of shift of transmission guide block is H8, and existing processing technology is vertical drill reaming, and bench drill processes one end
Surface chamfer, other end is in the processing of the enterprising driving end face, chamfering of lathe, the last pulling eye on broaching machine, complete fork shaft hole 2 plus
Work.Summary situation, existing fork shaft hole machined technique have that process is more, and required equipment, frock, cutter are more,
The problem of high expensive；And the multiple clamping of workpiece, the sequence that turns cause the crudy in fork shaft hole cannot be guaranteed.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of shift of transmission guide block fork shaft hole machined positioning and clamping
Device, can be by gearshift guide block Set and Positioning on lathe chuck, you can the processing in fork shaft hole can be disposably completed using lathe.
To reach above-mentioned purpose, the utility model provides following technical scheme：
A kind of shift of transmission guide block fork shaft hole machined positioning and clamping device, including it is arranged on the support at lathe chuck center
Seat and annular are uniformly arranged the clamping unit on lathe chuck；
The clamping unit includes radially installed the pawl seat on lathe chuck, and described radially inner one end of pawl seat is provided with
Clamping jaw, the radially inner end face of clamping jaw are provided with the neck for being used for the gearshift block body for blocking gearshift guide block, all institutes
State the circumferential positioning structure being molded between the neck of clamping unit for circumferentially positioned gearshift guide block；
The fulcrum bearing includes fulcrum bearing body, and one end of the fulcrum bearing body is provided with connector, the other end provided with use
In the positioning hole of axially position gearshift guide block, the connector is fixedly connected with the dust cap of lathe chuck.
Further, the connector uses threaded connector.
Further, the inwall of the positioning hole is provided with the chip-removal hole for chip removal.
Further, the chip-removal hole uses kidney-shaped circular hole and annular is uniformly arranged as at least two.
Further, the neck uses V-type neck.
Further, the clamping unit is arranged to two.
Further, two clamping units are respectively fixed clamping unit and floating clamping unit；
The fixed clamping unit includes radially installed the fixation pawl seat on lathe chuck, the fixed pawl seat radially to
Interior one end is provided with fixed claw；
The floating clamping unit includes radially installed the floating pawl seat on lathe chuck, the floating pawl seat radially to
Interior one end is provided with floating pawl；
Radially inner one end end face of the fixed claw and floating pawl is provided with the neck.
The beneficial effects of the utility model are：
Shift of transmission guide block fork shaft hole machined positioning and clamping device of the present utility model, by annular on lathe chuck
Clamping unit is uniformly arranged, can drive all pawl seats are synchronous to be moved along radial direction using the claw structure of lathe chuck in itself
It is dynamic and then circumferentially positioned using the i.e. achievable gearshift guide block of the neck being arranged on clamping jaw；By setting support base to can be achieved
The axially position of gearshift guide block, fixed in this way, clamping of the gearshift guide block on lathe chuck can be achieved, using lathe chuck
Realization is processed to fork shaft hole, in use, cutter corresponding to installing 2 kinds on lathe saddle, can disposably complete fork shaft hole
Processing.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows
Accompanying drawing illustrates：
Fig. 1 is a kind of structural representation of existing shift of transmission guide block；
Fig. 2 is the structural representation of the utility model shift of transmission guide block fork shaft hole machined positioning and clamping device embodiment
Figure；
Fig. 3 is the structural representation of fixed pawl seat；
Fig. 4 is the structural representation of fixed claw；
Fig. 5 is the structural representation of floating pawl seat；
Fig. 6 is the structural representation of floating pawl；
Fig. 7 is the structural representation of fulcrum bearing.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
The utility model can be better understood from and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Fig. 2 the knot for the utility model shift of transmission guide block fork shaft hole machined positioning and clamping device embodiment
Structure schematic diagram.The shift of transmission guide block fork shaft hole machined positioning and clamping device of the present embodiment, including be arranged in lathe chuck 4
The support base 5 and annular of the heart are uniformly arranged the clamping unit on lathe chuck.Clamping unit includes radially installed in lathe card
Pawl seat on disk, the radially inner one end of pawl seat are provided with clamping jaw, and the radially inner end face of clamping jaw is provided with leads for blocking gearshift
The neck 6 of the gearshift block body 1 of block 7, it is molded between the neck 6 of all clamping units for circumferentially positioned gearshift guide block 7
Circumferential positioning structure.Specifically, the clamping unit of the present embodiment is arranged to two, two clamping units are respectively fixed clamping list
Member and floating clamping unit.Fixed clamping unit includes radially installed the fixation pawl seat 8 on lathe chuck 4, the fixed footpath of pawl seat 8
Fixed claw 9 is provided with to inside one end.Floating clamping unit includes radially installed the floating pawl seat 10 on lathe chuck 4, floats
10 radially inner one end of pawl seat is provided with floating pawl 11.Set on radially inner one end end face of fixed claw 9 and floating pawl 11
There is neck 6, the neck 6 of the present embodiment uses V-type neck.Can be easily real using fixed clamping unit and floating clamping unit
The now Set and Positioning of gearshift guide block 7.Specifically, it is respectively equipped with the fixation pawl seat 8 of the present embodiment and the ground of floating pawl seat 10
The tooth-shape structure 8a and tooth-shape structure 10a coordinated with the helicla flute of lathe chuck 4.
The fulcrum bearing 5 of the present embodiment includes fulcrum bearing body 12, and one end of fulcrum bearing body 12 is provided with connector 13, another
End is provided with the positioning hole 14 for being used for axially position gearshift guide block 7, and connector 14 is fixedly connected with the dust cap of lathe chuck 4.This
The connector 14 of embodiment uses threaded connector, easy disassembly.The inwall of the positioning hole 14 of the present embodiment, which is provided with, to be used to arrange
The chip-removal hole 15 of bits, for discharging caused iron filings in the process of fork shaft hole 2.The chip-removal hole 15 of the present embodiment is justified using kidney-shaped
Hole and annular are uniformly arranged as at least two, and the annular of chip-removal hole 15 of the present embodiment is uniformly arranged as two.
The shift of transmission guide block fork shaft hole machined positioning and clamping device of the present embodiment, by annular equal on lathe chuck
Cloth sets clamping unit, can drive all pawl seats are synchronous to be moved along radial direction using the claw structure of lathe chuck in itself
It is dynamic and then circumferentially positioned using the i.e. achievable gearshift guide block of the neck being arranged on clamping jaw；By setting support base to can be achieved
The axially position of gearshift guide block, fixed in this way, clamping of the gearshift guide block on lathe chuck can be achieved, using lathe chuck
Realization is processed to fork shaft hole, in use, cutter corresponding to installing 2 kinds on lathe saddle, can disposably complete fork shaft hole
Processing.
Embodiment described above is only the preferred embodiment to absolutely prove the utility model and being lifted, the utility model
Protection domain not limited to this.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model
Change, within the scope of protection of the utility model.The scope of protection of the utility model is defined by claims.
Claims (7)
- A kind of 1. shift of transmission guide block fork shaft hole machined positioning and clamping device, it is characterised in that：Including being arranged on lathe chuck The fulcrum bearing and annular at center are uniformly arranged the clamping unit on lathe chuck；The clamping unit includes radially installed the pawl seat on lathe chuck, and described radially inner one end of pawl seat is provided with folder Pawl, the radially inner end face of clamping jaw are provided with the neck for being used for blocking gearshift guide block, the institute of all clamping units State the circumferential positioning structure being molded between neck for circumferentially positioned gearshift guide block；The fulcrum bearing includes fulcrum bearing body, and one end of the fulcrum bearing body is provided with provided with connector, the other end is used for axle To the positioning hole of positioning gearshift guide block, the connector is fixedly connected with the dust cap of lathe chuck.
- 2. shift of transmission guide block fork shaft hole machined positioning and clamping device according to claim 1, it is characterised in that：It is described Connector uses threaded connector.
- 3. shift of transmission guide block fork shaft hole machined positioning and clamping device according to claim 1, it is characterised in that：It is described The inwall of positioning hole is provided with the chip-removal hole for chip removal.
- 4. shift of transmission guide block fork shaft hole machined positioning and clamping device according to claim 3, it is characterised in that：It is described Chip-removal hole uses kidney-shaped circular hole and annular is uniformly arranged as at least two.
- 5. shift of transmission guide block fork shaft hole machined positioning and clamping device according to claim 1, it is characterised in that：It is described Neck uses V-type neck.
- 6. the shift of transmission guide block fork shaft hole machined positioning and clamping device according to claim any one of 1-5, its feature It is：The clamping unit is arranged to two.
- 7. shift of transmission guide block fork shaft hole machined positioning and clamping device according to claim 6, it is characterised in that：Two The clamping unit is respectively fixed clamping unit and floating clamping unit；The fixed clamping unit includes radially installed the fixation pawl seat on lathe chuck, and the fixed pawl seat is radially inner One end is provided with fixed claw；The floating clamping unit includes radially installed the floating pawl seat on lathe chuck, and the floating pawl seat is radially inner One end is provided with floating pawl；Radially inner one end end face of the fixed claw and floating pawl is provided with the neck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720864918.XU CN206912279U (en) | 2017-07-17 | 2017-07-17 | Shift of transmission guide block fork shaft hole machined positioning and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720864918.XU CN206912279U (en) | 2017-07-17 | 2017-07-17 | Shift of transmission guide block fork shaft hole machined positioning and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206912279U true CN206912279U (en) | 2018-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720864918.XU Active CN206912279U (en) | 2017-07-17 | 2017-07-17 | Shift of transmission guide block fork shaft hole machined positioning and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206912279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315102A (en) * | 2019-05-31 | 2019-10-11 | 陕西法士特汽车传动集团有限责任公司 | A kind of floating claw, retarder rotor fixture and its application method |
-
2017
- 2017-07-17 CN CN201720864918.XU patent/CN206912279U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315102A (en) * | 2019-05-31 | 2019-10-11 | 陕西法士特汽车传动集团有限责任公司 | A kind of floating claw, retarder rotor fixture and its application method |
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