CN206855245U - A kind of fastener for speed-changing box pulling fork processing - Google Patents
A kind of fastener for speed-changing box pulling fork processing Download PDFInfo
- Publication number
- CN206855245U CN206855245U CN201720341165.4U CN201720341165U CN206855245U CN 206855245 U CN206855245 U CN 206855245U CN 201720341165 U CN201720341165 U CN 201720341165U CN 206855245 U CN206855245 U CN 206855245U
- Authority
- CN
- China
- Prior art keywords
- hole
- round platform
- shift fork
- angle bar
- pressing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a kind of fastener for speed-changing box pulling fork processing, including round platform, multiple positioning holes are provided with round platform upper surface, connecting rod is fixedly arranged in the middle of in the lower surface of round platform, angle bar is provided with round platform side, angle bar is provided with mounting surface, and multiple screwed holes are provided with mounting surface, balancing weight is fixed with round platform opposite side；Rectangular through-hole is provided with pressing plate, stud activity coordinates after running through through hole with screwed hole, and side limited block is fixed with the end of mounting surface.Multiple equally distributed positioning holes are provided with round platform, then shift fork is fixed on angle bar by pressing plate, realized using grinding wheel or steel wire hairbrush and shift fork axle hole end surface is quickly polished, connecting rod can be fixed on operating desk, it can also be connected with motor output end, i.e., positioning polishing can be carried out to it according to the concrete model of shift fork, can also carry out rotary-grinding to shift fork, to shorten the shift fork of different model polishing man-hour, its sanding and polishing efficiency is improved.
Description
Technical field
It the utility model is related to auto parts machinery manufacture field, in particular to a kind of fastening dress for speed-changing box pulling fork processing
Put.
Background technology
Automobile gearshift fork is used to promote balladeur train, an annular groove is opened up on balladeur train, the prong of shift fork is caught in
In annular groove, when driver promote gear lever when gear lever drive shift fork axle, shift fork axle drive shift fork, shift fork by promote gear from
And reaching speed change, the place that shift fork is easiest to abrasion is exactly the position of shift fork and the contact of gear annular groove, because gear revolves in high speed
Then shift fork does not turn, shift fork abrasion, or insufficient strength, gear may be caused to hang not in place and lose rank, and or shift fork break.Cause
This, not only needs to ensure the intensity of shift fork in itself, it is also necessary to improve the precision of shift fork when shift fork is processed.In the prior art, exist
Shift fork is molded, grinding process when, generally require specialty chucking device it is fixed, existing chucking device kind
Class is more, and its medium-and-large-sized chucking device clamping dynamics is accurate, and automaticity is high, disadvantage however is that operation and maintenance cost
Height, use complexity；And small-sized chucking device cost is cheap, but easily loosened in clamping process, so that causing
Grinding efficiency reduces.
Utility model content
The purpose of this utility model is to provide a kind of fastener for speed-changing box pulling fork processing, improves the folder of shift fork
Holding force degree, while improve its grinding efficiency.
The purpose of this utility model is achieved through the following technical solutions：
A kind of fastener for speed-changing box pulling fork processing, including round platform, it is provided with the round platform upper surface multiple equal
The positioning hole of even distribution, and connecting rod is fixedly arranged in the middle of in the lower surface of round platform, it is provided with angle bar, the angle bar in the round platform side
The mounting surface perpendicular to round platform upper surface is provided with, and multiple equally distributed screwed holes are provided with the mounting surface, in circle
Platform opposite side is fixed with balancing weight；Also include two pressing plates, rectangular through-hole is provided with the pressing plate, stud activity runs through
Coordinate after through hole with screwed hole, and two nuts of stud are located at the both sides of through hole respectively, in the end of the mounting surface
It is fixed with side limited block normal thereto.
For in the prior art, when carrying out sanding and polishing, chucking device is easy for the axis hole end face of shift fork particularly shift fork
Loosen, and the problems such as grinding efficiency is low, inventor is provided with multiple equally distributed positioning holes on round platform, then will dial
Fork is fixed on angle bar by pressing plate, is realized using grinding wheel or steel wire hairbrush and shift fork axle hole end surface is quickly polished, wherein,
Connecting rod can be fixed on operating desk, can also be connected with motor output end, i.e., it can be entered according to the concrete model of shift fork
Row positioning polishing, can also rotary-grinding be carried out to shift fork, to shorten the shift fork of different model polishing man-hour, improve its polishing and throw
Light efficiency；
In use, angle bar is located at the both sides of round platform with balancing weight respectively, and balancing weight is fixed by a pin in positioning hole,
So that according to specific processing situation, the number of appropriate increase and decrease balancing weight can be carried out and change the position of balancing weight, to ensure to justify
The balance of platform both sides, and angle bar is provided with a mounting surface perpendicular to round platform upper surface, and multiple screwed holes are provided with mounting surface,
Pressing plate is fixed on mounting surface by stud, and two nuts of stud are located at the both sides of through hole respectively, by shift fork
It is placed on mounting surface, by two nuts for adjusting stud so that one end of pressing plate and the main body of shift fork are brought into close contact, and
The different piece of shift fork is fixed respectively for two pressing plates, to ensure stability of the shift fork in processing, facilitates grinding apparatus
Sanding and polishing processing is carried out to it.Wherein, due to being provided with multiple equally distributed screwed holes on mounting surface so that two pressing plates
Position reasonable layout can be carried out according to the concrete shape of shift fork, the clamping dynamics of shift fork is then ensured, with existing clamping
Equipment is compared, and its flexibility greatly improves, while round platform can also keep original place to fix or rotate, to facilitate grinding apparatus to dialling
Two end faces in fork shaft hole synchronize polishing, substantially increase the sanding and polishing efficiency of shift fork.Further, rotated in round platform
When, the side of shift fork can be fixed for the side limited block that mounting surface side is fixed, to avoid shift fork that side occurs when rotated
To displacement.
Multiple internal thread holes to match with positioning hole are provided with the bottom surface of the angle bar, bolt is successively through fixed
It is connected after position hole, internal thread hole with angle bar.Angle bar is connected by bolt with round platform so that position of the angle bar on round platform is real
It is existing adjustable, can be by the way that angle bar be fixed on close to the position of disk border especially for the shift fork that part prong length is larger
On, to reduce the influence that the prong of long length is polished shift fork, the grinding efficiency of shift fork is provided indirectly.
The connecting rod includes contiguous block and support bar, is provided with cavity inside the contiguous block, is provided with contiguous block lower end
The tapped through hole connected with cavity, support bar epimere be provided with axial length be less than tapped through hole hole depth thread segment, thread segment with
The tapped through hole, which coordinates in backward cavity, to be extended, and the projection that section is in arc-shaped is provided with the end face of the thread segment upper end,
And the groove being engaged with projection is provided with cavity upper wall, after rotary supporting rod is until thread segment separates with tapped through hole,
Projection can contact with the groove.
Further to improve the grinding efficiency of shift fork, connecting rod is provided with two working conditions, i.e., in an initial condition, branch
The thread segment of strut epimere protects cooperation all the time with tapped through hole, when needing the positive drive round platform of motor to rotate, the rotation of motor
The hand of spiral of direction and thread segment is on the contrary, can ensure that the circular motion that support bar, contiguous block and round platform synchronize；And
When not needing motor driven circular-rotation, round platform is rotated backward so that thread segment departs from tapped through hole and coordinated, and now connects
Block declines with disk position, and section is in contact in the projection of arc-shaped with groove so that support bar can be sent out with contiguous block, round platform
Raw relative displacement, it is artificial only to stir round platform, i.e., it can realize that circular motion occurs for shift fork fixed on round platform and round platform, greatly
The big flexibility improved in shift fork process.
The support block of annular is provided with the support bar, under initial shape body, the lower surface of support block and the cavity
Lower wall contacts.Preferably, being provided with the support block of annular on support bar, can avoid stirring support bar when round platform rotates artificial
Circular runout occurs in cavity, is damaged with preventing generation hard contact between support bar and contiguous block.
Also include Limit screw, and screw is provided with pressing plate, Limit screw both ends coordinate with screw, screwed hole respectively.
Preferably, pressing plate when fixed, removes the fixation of stud, in addition to Limit screw the fastening to pressing plate so that pressing plate
When applying pressure to shift fork and the tie point of angle bar is changed into two from one, balance quality of the increase pressing plate on angle bar, keeps away
Exempt to cause pressing plate unsceptered because shift fork is vibrating caused by polishing, it is ensured that clamping dynamics of the pressing plate to shift fork.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model on mounting surface due to being provided with multiple equally distributed screwed holes so that the position of two pressing plates
Reasonable layout can be carried out according to the concrete shape of shift fork, then ensure the clamping dynamics of shift fork, with existing chucking device phase
Than its flexibility greatly improves, while round platform can also keep original place to fix or rotate, to facilitate grinding apparatus to shift fork axis hole
Two end faces synchronize polishing, substantially increase the sanding and polishing efficiency of shift fork.Further, when round platform rotates, peace
The side of shift fork can be fixed for the side limited block that dress surface side side is fixed, to avoid shift fork that lateral position occurs when rotated
Move；
2nd, angle bar of the present utility model is connected by bolt with round platform so that position of the angle bar on round platform is realized can
Adjust, especially for the shift fork that part prong length is larger, can by the way that angle bar is fixed on the position of disk border, with
Reduce the influence that the prong of long length is polished shift fork, the grinding efficiency of shift fork is provided indirectly；
3rd, the utility model center platen removes the fixation of stud, in addition to Limit screw to pressing plate when fixing
Fastening so that pressing plate to shift fork when applying pressure and the tie point of angle bar is changed into two from one, and increase pressing plate is on angle bar
Balance quality, avoid causing pressing plate unsceptered because shift fork is vibrating caused by polishing, it is ensured that chucking power of the pressing plate to shift fork
Degree.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the utility model structure diagram；
Fig. 2 is the sectional view of support bar.
Mark and corresponding parts title in accompanying drawing：
1- round platforms, 2- positioning holes, 3- balancing weights, 4- sides limited block, 5- shift forks, 6- through holes, 7- studs, 8- pressing plates,
9- Limit screws, 10- angle bar, 11- screwed holes, 12- contiguous blocks, 13- support bars, 14- cavitys, 15- support blocks, 16- projections,
17- grooves.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment includes round platform 1, is provided with the upper surface of round platform 1 multiple equally distributed
Positioning hole 2, and connecting rod is fixedly arranged in the middle of in the lower surface of round platform 1, it is provided with angle bar 10, the angle bar 10 in the side of round platform 1
The mounting surface perpendicular to the upper surface of round platform 1 is provided with, and multiple equally distributed screwed holes 11 are provided with the mounting surface,
The opposite side of round platform 1 is fixed with balancing weight 3；Also include two pressing plates 8, rectangular through-hole 6, stud 7 are provided with the pressing plate 8
Activity coordinates after running through through hole 6 with screwed hole 11, and two nuts of stud 7 are located at the both sides of through hole 6 respectively, in institute
The end for stating mounting surface is fixed with side limited block 4 normal thereto.
In use, angle bar 10 is located at the both sides of round platform 1 with balancing weight 3 respectively, and balancing weight 3 is fixed by a pin to positioning
In hole 2 so that according to specific processing situation, the number of appropriate increase and decrease balancing weight 3 can be carried out and change the position of balancing weight 3,
To ensure the balance of the both sides of round platform 1, and angle bar 10 is provided with a mounting surface perpendicular to the upper surface of round platform 1, is opened on mounting surface
There are multiple screwed holes 11, pressing plate 8 is fixed on mounting surface by stud 7, and two nuts of stud 7 are located at respectively
The both sides of through hole 6, shift fork 5 is placed on mounting surface, by two nuts for adjusting stud 7 so that one end of pressing plate 8 with
The main body of shift fork 5 is brought into close contact, and the different piece of shift fork 5 is fixed respectively for two pressing plates 8, to ensure that shift fork 5 is adding
The stability in man-hour, grinding apparatus is facilitated to carry out sanding and polishing processing to it.Wherein, it is multiple uniform due to being provided with mounting surface
The screwed hole 11 of distribution so that the position of two pressing plates 8 can carry out reasonable layout according to the concrete shape of shift fork 5, then really
The clamping dynamics of shift fork 5 is protected, compared with existing chucking device, its flexibility greatly improves, while round platform 1 can also keep original place
Fixed or rotation, to facilitate grinding apparatus to synchronize polishing to two end faces of the axis hole of shift fork 5, substantially increases shift fork 5
Sanding and polishing efficiency.Further, when round platform 1 rotates, the side limited block 4 that mounting surface side is fixed can be to shift fork 5
Side is fixed, to avoid shift fork 5 that lateral displacement occurs when rotated.
Further, multiple internal thread holes to match with positioning hole 2 are provided with the bottom surface of the angle bar 10, position spiral shell
Bolt is successively connected after positioning hole 2, internal thread hole with angle bar 10.Angle bar 10 is connected by bolt with round platform 1 so that angle
Position of the iron 10 on round platform 1 realize it is adjustable, can be by by angle bar 10 especially for the shift fork 5 that part prong length is larger
It is fixed on the position of disk border, to reduce the influence that the prong of long length is polished shift fork 5, provides shift fork 5 indirectly
Grinding efficiency.
In the present embodiment, the connecting rod includes contiguous block 12 and support bar 13, and cavity is provided with inside the contiguous block 12
14, the tapped through hole 6 connected with cavity 14 is provided with the lower end of contiguous block 12, the epimere of support bar 13 is less than spiral shell provided with axial length
The thread segment of the hole depth of line through hole 6, thread segment coordinates in backward cavity 14 with the tapped through hole 6 to be extended, on the thread segment
Hold end face to be provided with section and be in the projection 16 of arc-shaped, and the groove 17 being engaged with projection 16 is provided with the upper wall of cavity 14, turn
After thread segment separates with tapped through hole 6, projection 16 can contact dynamic support bar 13 with the groove 17.Further to carry
The grinding efficiency of high shift fork 5, connecting rod are provided with two working conditions, i.e., in an initial condition, the screw thread of the epimere of support bar 13
Section protects cooperation all the time with tapped through hole 6, when needing the positive drive round platform 1 of motor to rotate, the rotation direction and thread segment of motor
Hand of spiral on the contrary, i.e. can ensure that the circular motion that support bar 13, contiguous block 12 and round platform 1 synchronize；And it is being not required to
When wanting motor driven circular-rotation, round platform 1 is rotated backward so that thread segment departs from tapped through hole 6 and coordinated, now contiguous block 12
Decline with disk position, section is in contact in the projection 16 of arc-shaped with groove 17 so that support bar 13 and contiguous block 12, round platform
1 can occur relative displacement, artificial only to stir round platform 1, i.e., can realize that shift fork 5 fixed on round platform 1 and round platform 1 occurs
Circular motion, substantially increase the flexibility in the process of shift fork 5.
Preferably, being provided with the support block 15 of annular on support bar 13, can avoid when manually stirring the rotation of round platform 1
Circular runout occurs in the cavity 14 for support bar 13, to prevent from occurring between support bar 13 and contiguous block 12 hard contact by
Damage.
Preferably, pressing plate 8 removes the fixation of stud 7, in addition to Limit screw 9 is to pressing plate 8 when fixing
Fastening so that pressing plate 8 is changed into two with the tie point of angle bar 10 when applying pressure to shift fork 5 from one, and increase pressing plate 8 is at angle
Balance quality on iron 10, avoid causing pressing plate 8 unsceptered because shift fork 5 is vibrating caused by polishing, it is ensured that pressing plate 8 is to shift fork
5 clamping dynamics.
Preferably, also including Limit screw 9, and screw is provided with pressing plate 8, the both ends of Limit screw 9 respectively with screw,
Screwed hole 11 coordinates.So, it is possible to increase balance quality of the pressing plate 8 on angle bar 10, avoid because shift fork 5 is shaking caused by polishing
Move and cause pressing plate 8 unsceptered, it is ensured that clamping dynamics of the pressing plate 8 to shift fork 5.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of fastener for speed-changing box pulling fork processing, including round platform (1), are provided with more in the round platform (1) upper surface
Individual equally distributed positioning hole (2), and it is fixedly arranged in the middle of connecting rod in the lower surface of round platform (1), it is characterised in that：In the round platform
(1) side is provided with angle bar (10), and the angle bar (10) is provided with the mounting surface perpendicular to round platform (1) upper surface, and in the peace
Dress face is provided with multiple equally distributed screwed holes (11), and in round platform (1), opposite side is fixed with balancing weight (3)；Also include two
Pressing plate (8), is provided with rectangular through-hole (6) on the pressing plate (8), stud (7) activity through through hole (6) afterwards and screwed hole
(11) coordinate, and two nuts of stud (7) are located at the both sides of through hole (6) respectively, are fixed in the end of the mounting surface
There is side limited block (4) normal thereto.
A kind of 2. fastener for speed-changing box pulling fork processing according to claim 1, it is characterised in that：
Multiple internal thread holes to match with positioning hole (2) are provided with the bottom surface of the angle bar (10),
Bolt is successively connected after positioning hole (2), internal thread hole with angle bar (10).
A kind of 3. fastener for speed-changing box pulling fork processing according to claim 1, it is characterised in that：
The connecting rod includes contiguous block (12) and support bar (13), and cavity (14) is provided with inside the contiguous block (12), even
Connect block (12) lower end and be provided with the tapped through hole connected with cavity (14),
Support bar (13) epimere is provided with the thread segment that axial length is less than tapped through hole hole depth, and thread segment is matched somebody with somebody with the tapped through hole
Close in backward cavity (14) and extend, the projection (16) that section is in arc-shaped is provided with the end face of the thread segment upper end, and in chamber
Body (14) upper wall is provided with the groove (17) being engaged with projection (16), and rotary supporting rod (13) is until thread segment is sent out with tapped through hole
It is estranged from rear, projection (16) can contact with the groove (17).
A kind of 4. fastener for speed-changing box pulling fork processing according to claim 3, it is characterised in that：
The support block (15) of annular, under initial shape body, the lower surface of support block (15) and institute are provided with the support bar (13)
State the lower wall contact of cavity (14).
A kind of 5. fastener for speed-changing box pulling fork processing according to claim 1, it is characterised in that：
Also include Limit screw (9), and screw be provided with pressing plate (8), Limit screw (9) both ends respectively with screw, screwed hole
(11) coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720341165.4U CN206855245U (en) | 2017-04-01 | 2017-04-01 | A kind of fastener for speed-changing box pulling fork processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720341165.4U CN206855245U (en) | 2017-04-01 | 2017-04-01 | A kind of fastener for speed-changing box pulling fork processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206855245U true CN206855245U (en) | 2018-01-09 |
Family
ID=60817018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720341165.4U Expired - Fee Related CN206855245U (en) | 2017-04-01 | 2017-04-01 | A kind of fastener for speed-changing box pulling fork processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206855245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860923A (en) * | 2019-11-07 | 2020-03-06 | 亚新科（天津）汽车零部件有限公司 | Clamp for machining center of reverse gear hole of gearbox shell |
-
2017
- 2017-04-01 CN CN201720341165.4U patent/CN206855245U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860923A (en) * | 2019-11-07 | 2020-03-06 | 亚新科（天津）汽车零部件有限公司 | Clamp for machining center of reverse gear hole of gearbox shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20200401 |