CN106216765B - A kind of modified broaching fixture - Google Patents
A kind of modified broaching fixture Download PDFInfo
- Publication number
- CN106216765B CN106216765B CN201610782096.0A CN201610782096A CN106216765B CN 106216765 B CN106216765 B CN 106216765B CN 201610782096 A CN201610782096 A CN 201610782096A CN 106216765 B CN106216765 B CN 106216765B
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- China
- Prior art keywords
- groove
- turntable
- broaching
- modified
- bottom plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D41/00—Broaching machines or broaching devices characterised only by constructional features of particular parts
- B23D41/06—Broaching machines or broaching devices characterised only by constructional features of particular parts of devices for feeding, clamping, or ejecting workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The present invention discloses a kind of modified broaching fixture, including broaching machine main body, turntable, bottom plate and handle, and installation axle is transversely provided with the broaching machine main body；At least two public grooves are equipped with close to the edge of turntable on the trailing flank of the turntable, for the public affairs groove along the circumferentially disposed of turntable, the leading flank of the bottom plate is equipped with the female groove being adapted to public groove；The public affairs groove is equipped with inserting block, and the female groove is equipped with the inserting groove with the shape of inserting block, location matches.The broaching fixture of the present invention sets female groove, public groove is engaged with female groove to realize the reliable location of turntable and bottom plate by setting public groove on turntable on bottom plate, chucking power in increase processing, the generation of jitter phenomenon is avoided, so as to improve the fineness of machined surface, improves the service life of broaching tool.
Description
Technical field
The present invention relates to a kind of modified broaching fixture, belong to auto parts manufacture field.
Background technology
In auto parts manufacture field, when being processed for the connecting rod of automobile, this processing of broaching fixture can be often used
Utensil is processed connecting rod, when broaching fixture is processed, in precision and process that can be by ensureing resetting
Chucking power to lift the quality of product and service life.Existing broaching fixture includes broaching machine main body, turntable and bottom plate, broaching machine main body
Including broaching tool, broaching tool is used to process part, and after turntable is abutted with bottom plate, broaching tool starts to be processed part, turntable and bottom
Positioned between plate by the frictional force between face and face, and the machine oil on broaching fixture can cause between turntable and panel
Frictional force reduce, this may result in chucking power deficiency in processing, there are jitter phenomenon, so as to cause machined surface coarse, draw
Knife service life reduction.
The content of the invention
For overcome the deficiencies in the prior art, a kind of modified broaching fixture of offer of the invention, the broaching fixture passes through
Public groove is set on turntable, female groove is set on bottom plate, public groove is engaged with female groove to realize the reliable location of turntable and bottom plate, is increased
Chucking power in big processing, avoids the generation of jitter phenomenon, so as to improve the fineness of machined surface, improves the longevity of broaching tool
Life.
Achieving the object of the present invention can be reached by adopting the following technical scheme that：
A kind of modified broaching fixture, including broaching machine main body, turntable, bottom plate and handle, laterally set in the broaching machine main body
There is installation axle, one end of the installation axle is arranged with axle sleeve, and the turntable, bottom plate are sleeved on axle sleeve successively；The handle is set
The other end away from axle sleeve on the mounting shaft is put, cam pair is further sleeved with the installation axle, the cam is secondary to be driven with handle
Connection；At least two public grooves are equipped with close to the edge of turntable on the trailing flank of the turntable, the public affairs groove is set along the circumferential direction of turntable
Put, the leading flank of the bottom plate is equipped with the female groove being adapted to public groove；The public affairs groove is equipped with inserting block, and the female groove is equipped with
The inserting groove of shape, location matches with inserting block.
Preferably, modified broaching fixture further includes the clamp assembly for starting clamping lever and installation axle, it is described
Clamp assembly includes clamping cylinder, connecting plate, the first connecting shaft and the second connecting shaft；The clamping cylinder is fixed on broaching machine main body
On, the side of the connecting plate is fixed on clamping cylinder, the opposite side of the connecting plate, the first connecting shaft, the second connecting shaft
It is sequentially connected with vertically, second connecting shaft is fixed on handle.The setting of clamp assembly can be rocked with shadow to avoid handle
Ring the effect of processing.
Preferably, the clamp assembly further includes the adjustment barrel for adjusting connection length, one end of the adjustment barrel
Axis connection is connected with first, the other end of adjustment barrel is connected axis connection with second.The setting of adjustment barrel can stretch clamp assembly
Length, add the scope of application of clamp assembly.
Preferably, it is provided between the connecting plate and adjustment barrel for being fixedly secured the first connecting shaft in connecting plate
On tighten ring.
Preferably, the bearing on the handle with the second connecting shaft is equipped with the sleeve for being used for protecting handle.Sleeve
Set can to avoid the second connecting shaft directly with handle contact and cause to be connected unstable.
Preferably, offering gas hole in the inserting groove of the female groove, the gas hole penetrates into the external world from inserting groove.
The setting of gas hole can prevent iron filings and dust from entering the field of conjugate action and causing location misalignment.
Preferably, the axle sleeve is equipped with mounting ring, the bottom plate is equipped with the base tub being adapted to mounting ring.Installation
Bottom plate can be securely fixed in installation axle by the setting of ring and base tub.
Preferably, be provided with the bearing for turntable being fixed on axle sleeve between the turntable and axle sleeve.
Compared with prior art, the beneficial effects of the present invention are：
1st, broaching fixture of the invention sets female groove, public groove is nibbled with female groove by setting public groove on turntable on bottom plate
Close to realize the reliable location of turntable and bottom plate, the chucking power in increase processing, avoids the generation of jitter phenomenon, so as to improve
The fineness of machined surface, improves the service life of broaching tool；
2nd, the setting of the gas hole in female groove of the invention, can blow the iron filings and dust being scattered on the inserting block of public groove
Fall, the field of conjugate action that public groove is contacted with female groove can be entered to avoid iron filings and dust causes location misalignment；
3rd, clamp assembly of the invention can be by hand by clamping cylinder, connecting plate, the first connecting shaft and the second connecting shaft
Handle is fixed, and handle is rocked to influence the precision of processing during avoiding processing, and adjustment barrel can also be used to adjustment folder
The length of tight component.
Brief description of the drawings
Fig. 1 is the front view of the broaching fixture of the present invention.
Fig. 2 is the profile of the A-A of Fig. 1.
Fig. 3 is the structure diagram to hold down assembly of embodiment 2.
Wherein, 1, broaching machine main body；11st, installation axle；12nd, axle sleeve；121st, mounting ring；13rd, cam pair；2nd, turntable；21st, it is public
Groove；211st, block is inserted；3rd, bottom plate；31st, female groove；311st, inserting groove；312nd, gas hole；32nd, base tub；4th, handle；5th, clamping group
Part；51st, clamping cylinder；52nd, connecting plate；53rd, the first connecting shaft；54th, the second connecting shaft；55th, adjustment barrel；56th, sleeve；57th, twist
Tight ring；6th, bearing.
Embodiment
In the following, with reference to attached drawing and embodiment, the present invention is described further：
Embodiment 1：
With reference to Fig. 1-2, a kind of modified broaching fixture, including broaching machine main body 1, turntable 2, bottom plate 3 and handle 4.
Be transversely provided with installation axle 11 in broaching machine main body 1, one end of installation axle 11 is arranged with axle sleeve 12, turntable 2, bottom plate 3 according to
It is secondary to be sleeved on axle sleeve 12；Handle 4 is arranged on the other end away from axle sleeve 12 in installation axle 11, is further sleeved with installation axle 11 convex
Wheel set 13, cam pair 13 are sequentially connected with handle 4.
Be equipped with four public grooves 21 close to the edge of turntable 2 on the trailing flank of turntable 2, public groove 21 along turntable 2 it is circumferential uniformly
Set, the leading flank of bottom plate 3 is equipped with the female groove 31 being adapted to public groove 21, and the quantity of female groove 31 is also four；Set on public groove 21
There is inserting block 211, female groove 31 is equipped with the inserting groove 311 with the shape of inserting block 211, location matches；The inserting groove of female groove 31
Gas hole 312 is offered in 311, gas hole 312 penetrates into the external world from inserting groove 311.The setting of gas hole 312 can prevent iron
Bits and dust, which enter the field of conjugate action, causes location misalignment.
Existing broaching fixture is to abut by turntable 2 with the friction of the contact surface of bottom plate 3, and machine is run, installation axle
During 11 rotation, the active force of radial direction is produced between installation axle 11 and turntable 2, bottom plate 3, makes installation axle 11 and turntable 2, bottom plate 3
Between mutually collision produce abrasion, and positioned between turntable 2 and bottom plate 3 by the frictional force between face and face, broaching machine
On machine oil the frictional force between turntable 2 and panel can be caused to reduce, this may result in processing in chucking power deficiency, exist and tremble
Dynamic phenomenon, so as to cause machined surface coarse, broaching tool service life reduction, and plus public groove 21 with after the setting of female groove 31, public groove 21 with
Female groove 31 is engaged to realize the reliable location of turntable 2 and bottom plate 3, increases the chucking power in processing, avoids the hair of jitter phenomenon
It is raw, so as to improve the fineness of machined surface, the service life of broaching tool is improved, and by between installation axle 11 and turntable 2, bottom plate 3
Radial load be changed into active force between public groove 21 and the field of conjugate action of female groove 31, stress point changes, and avoids installation axle
11st, turntable 2, bottom plate 3 are worn.
Axle sleeve 12 is equipped with mounting ring 121, and bottom plate 3 is equipped with the base tub 32 being adapted to mounting ring 121.Mounting ring 121
Bottom plate 3 can be securely fixed in installation axle 11 by the setting with base tub 32.
Be provided with the bearing 6 for turntable 2 being fixed on axle sleeve 12 between turntable 2 and axle sleeve 12, the setting of bearing 6 is same
Turntable 2 is also fixed in installation axle 11 by sample.
Embodiment 2：
With reference to Fig. 3, modified broaching fixture further includes the clamp assembly 5 for starting clamping lever 4 and installation axle 11, presss from both sides
Tight component 5 includes clamping cylinder 51, connecting plate 52, the first connecting shaft 53, the second connecting shaft 54, adjustment barrel 55, sleeve 56, tightens
Ring 57；Clamping cylinder 51 is fixed in broaching machine main body 1, and the side of connecting plate 52 is fixed on clamping cylinder 51, connecting plate 52
Opposite side, the first connecting shaft 53, the second connecting shaft 54 are sequentially connected with vertically, and the second connecting shaft 54 is fixed on handle 4；Adjust
One end of cylinder 55 is connected with the first connecting shaft 53, and the other end of adjustment barrel 55 is connected with the second connecting shaft 54, and adjustment barrel 55 is set
The length of clamp assembly 5 can be stretched by putting, and add the scope of application of clamp assembly 5；Consolidate on handle 4 with second connecting shaft 54
Fixed place is equipped with the sleeve 56 for being used for protecting handle 4, and the setting of sleeve 56 can directly contact to avoid the second connecting shaft 54 with handle 4
And cause to connect unstable；It is provided between 52 and first connecting shaft 53 of connecting plate for the first connecting shaft 53 to be fixedly secured
Ring 57 is tightened on connecting plate 52.
When machine is run, handle 4 can also rock therewith, and the amplitude rocked is excessive directly to be rotated, either hand
Handle 4 is rocked or rotated, and when broaching tool is processed, can cause processing deviation occur, and the setting of clamp assembly 5 can incite somebody to action
Handle 4 is fixed, and handle 4 is rocked to influence the effect of processing during avoiding machine operation.
Other structures, connection mode are identical in embodiment 1.
For those skilled in the art, technical solution that can be as described above and design, make other each
Kind is corresponding to be changed and deforms, and all these change and deform the protection model that should all belong to the claims in the present invention
Within enclosing.
Claims (8)
- A kind of 1. modified broaching fixture, it is characterised in that：Including broaching machine main body, turntable, bottom plate and handle, the broaching machine main body On be transversely provided with installation axle, one end of the installation axle is arranged with axle sleeve, and the turntable, bottom plate are sleeved on axle sleeve successively；Institute State handle and the other end away from axle sleeve on the mounting shaft be set, be further sleeved with cam pair in the installation axle, the cam it is secondary with Handle is sequentially connected；At least two public grooves are equipped with close to the edge of turntable, the public affairs groove is along turntable on the trailing flank of the turntable It is circumferentially disposed, the leading flank of the bottom plate is equipped with the female groove being adapted to public groove；The public affairs groove is equipped with inserting block, the mother Groove is equipped with the inserting groove with the shape of inserting block, location matches.
- 2. modified broaching fixture according to claim 1, it is characterised in that：Further include for starting clamping lever and peace The clamp assembly of axis is filled, the clamp assembly includes clamping cylinder, connecting plate, the first connecting shaft and the second connecting shaft；The folder Tight cylinder is fixed in broaching machine main body, and the side of the connecting plate is fixed on clamping cylinder, the opposite side of the connecting plate, the One connecting shaft, the second connecting shaft are sequentially connected with vertically, and second connecting shaft is fixed on handle.
- 3. modified broaching fixture according to claim 2, it is characterised in that：The clamp assembly is further included for adjusting The adjustment barrel of connection length, one end of the adjustment barrel are connected axis connection, the other end of adjustment barrel and the second connecting shaft with first Connection.
- 4. modified broaching fixture according to claim 3, it is characterised in that：Set between the connecting plate and adjustment barrel It is useful for the first connecting shaft being fixedly secured and tightens ring on connecting plate.
- 5. modified broaching fixture according to claim 2, it is characterised in that：The connection of the handle and the second connecting shaft Place is equipped with the sleeve for being used for protecting handle.
- 6. modified broaching fixture according to claim 1, it is characterised in that：Offer and blow in the inserting groove of the female groove Stomata, the gas hole penetrate into the external world from inserting groove.
- 7. modified broaching fixture according to claim 1, it is characterised in that：The axle sleeve is equipped with mounting ring, described Bottom plate is equipped with the base tub being adapted to mounting ring.
- 8. modified broaching fixture according to claim 1, it is characterised in that：Use is provided between the turntable and axle sleeve In the bearing being fixed on turntable on axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782096.0A CN106216765B (en) | 2016-08-30 | 2016-08-30 | A kind of modified broaching fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782096.0A CN106216765B (en) | 2016-08-30 | 2016-08-30 | A kind of modified broaching fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106216765A CN106216765A (en) | 2016-12-14 |
| CN106216765B true CN106216765B (en) | 2018-05-08 |
Family
ID=58073038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610782096.0A Active CN106216765B (en) | 2016-08-30 | 2016-08-30 | A kind of modified broaching fixture |
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| Country | Link |
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| CN (1) | CN106216765B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160874B (en) * | 2021-12-17 | 2023-04-18 | 长沙思胜智能设备有限公司 | Special broaching machine for high-precision ultra-long workpiece |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378186A (en) * | 1978-03-28 | 1983-03-29 | Glaenzer Spicer | Support for broached workpieces |
| CN201009005Y (en) * | 2006-12-22 | 2008-01-23 | 成都发动机（集团）有限公司 | Full-automatic hydraulic pressure fixture of broaching machine |
| CN201333560Y (en) * | 2008-12-19 | 2009-10-28 | 云南西仪工业股份有限公司 | Broaching clamp for processing fractured connecting rods |
| CN101664883A (en) * | 2009-08-28 | 2010-03-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Fixture special for mortise of broaching disc type part |
| JP2016036875A (en) * | 2014-08-07 | 2016-03-22 | 株式会社ジェイテクト | Broach machine and manufacturing method of rack shaft |
| CN206122797U (en) * | 2016-08-30 | 2017-04-26 | 杭州九龙机械制造有限公司 | Improved generation fixture of broaching machine |
-
2016
- 2016-08-30 CN CN201610782096.0A patent/CN106216765B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378186A (en) * | 1978-03-28 | 1983-03-29 | Glaenzer Spicer | Support for broached workpieces |
| CN201009005Y (en) * | 2006-12-22 | 2008-01-23 | 成都发动机（集团）有限公司 | Full-automatic hydraulic pressure fixture of broaching machine |
| CN201333560Y (en) * | 2008-12-19 | 2009-10-28 | 云南西仪工业股份有限公司 | Broaching clamp for processing fractured connecting rods |
| CN101664883A (en) * | 2009-08-28 | 2010-03-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Fixture special for mortise of broaching disc type part |
| JP2016036875A (en) * | 2014-08-07 | 2016-03-22 | 株式会社ジェイテクト | Broach machine and manufacturing method of rack shaft |
| CN206122797U (en) * | 2016-08-30 | 2017-04-26 | 杭州九龙机械制造有限公司 | Improved generation fixture of broaching machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106216765A (en) | 2016-12-14 |
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