CN207615686U - A kind of Baroclinic scroll chuck - Google Patents
A kind of Baroclinic scroll chuck Download PDFInfo
- Publication number
- CN207615686U CN207615686U CN201721801465.2U CN201721801465U CN207615686U CN 207615686 U CN207615686 U CN 207615686U CN 201721801465 U CN201721801465 U CN 201721801465U CN 207615686 U CN207615686 U CN 207615686U
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- China
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- bayonet
- sliding block
- movable
- mold insert
- bevel gear
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Abstract
The utility model discloses a kind of Baroclinic scroll chucks, including chuck main body, sliding block, bayonet mount, movable bayonet, compressed spring, mold insert, bevel gear, bottom plate；The joint face of bayonet mount and movable bayonet is inclined-plane, movable bayonet is slidably connected with bayonet mount, bayonet mount is fixedly connected with a slide block, compressed spring is equipped between movable bayonet and sliding block, when sliding block drives movable bayonet to clamp workpiece, movable bayonet and the sliding contact of bayonet mount inclined-plane, bayonet mount is through Bevel Gear Transmission, radial centripetal pressure is provided, it is decomposed into radial centripetal power and axial compressive force through the inclined-plane on bayonet mount, and compressed spring gives movable bayonet one reversed axial force, balance between retentivity, movable bayonet is under the action of overcoming elastic force, to one centripetal clamping force of workpiece and an axial compressive force.The fine tuning of scroll chuck clamping force may be implemented in the utility model, clamps back bevel automatic guiding, reduces clamping non-cutting time, improves clamping efficiency.
Description
Technical field
The utility model is related to field of fixtures, relate in particular to a kind of Baroclinic scroll chuck.
Background technology
The processing of jet parts at present, majority use fixed structure, when magnetic platform sucker, common clamping with three-jaw chuck generally to make
It is fixed as special fixture, is processed for single-piece or small lot, the cost for making special fixture is again too high.
When meeting the bad thin type cylindrical parts or plastic parts of some stressing conditions, it may appear that the workpiece damage come by clamp strap
Go bad and process bad problem.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of Baroclinic scroll chucks, and traditional scroll chuck is pressed from both sides
Tool is changed to the Baroclinic fixture of automatic adjustment, increases axial compressive force on the basis of original centripetal clamping force, inclined-plane correcting,
And by compressed spring come automatic fine tuning between centripetal clamping force and axial compressive force, when workpiece stressing conditions are bad, clamping force
When not easy to control, it is possible to reduce the workpiece damage caused by fixture and process the problems such as bad.
To achieve the goals above, the utility model uses following technical scheme：
The utility model provides a kind of Baroclinic scroll chuck, including chuck main body, sliding block, bayonet mount, movable bayonet,
Compressed spring, mold insert, bevel gear, bottom plate.
The chuck main body is cylindrical structure, and the upper surface of chuck main body is equipped with sliding slot, and the bottom of sliding slot is equipped with bar shaped
Hole, the sliding slot are string configuration, and along the radial direction of chuck main body, the sliding slot has 3 for the length direction of sliding slot, institute
It states sliding slot to be uniformly distributed along the circumferencial direction of chuck main body, centre bore, chuck main body is equipped at the central upper portion of chuck main body
Bottom be equipped with bottom plate.
The chuck main body is internally provided with vessel, and vessel is columnar structured, and the top of the vessel is equipped with mold insert, institute
It is columnar structured to state mold insert, and the upper surface of mold insert is equipped with the second flat thread, and lower surface is equipped with straight line and bores tooth, chuck main body
Lateral wall is equipped with trepanning, and the trepanning has 3, is equipped with bevel gear in the trepanning, the bevel gear has 3, the bevel gear
Positioned at the lower section of mold insert, the straight line cone tooth cooperation of bevel gear and mold insert carries out axis bevel gear with axes at right angles transmission.
The sliding slot is equipped with sliding block, and the top of the sliding block is equipped with bayonet mount, and bayonet mount is connected with movable bayonet, described
Bayonet mount is fixed on sliding block, and movable bayonet is slidably connected with bayonet mount, wherein the centripetal face of the bayonet mount is equipped with connection
The lateral surface of slot, the link slot is ramp structure, and the movable bayonet is equipped with lug boss, the lateral surface and protrusion of movable bayonet
The lateral surface in portion is ramp structure, and angle of inclination is consistent with the angle of inclination of the lateral surface of link slot, and lug boss, which is mounted on, to be connected
In access slot, lug boss matches to merge with link slot to be slidably connected, and lug boss can slide up and down in link slot.
The lower part of the sliding block is equipped with the first flat thread, flat by the first flat thread and second between mold insert and sliding block
Face screw-thread fit carries out slip screw transmission, and sliding block can slidably reciprocate along sliding slot, and rotating bevel gear drives mold insert rotation, mold insert
Band movable slider slidably reciprocates along sliding slot.
Wherein, compressed spring is equipped between the movable bayonet and sliding block.
The lateral cross section of the link slot is trapezium structure, which is outer small interior big, centripetal face and company
The lateral surface of access slot is ramp structure, which slopes inwardly from top to bottom, and the upper surface of link slot is equipped with baffle, baffle and company
Access slot is welded and fixed.
Wherein, the bottom of the movable bayonet is equipped with spring eye, is equipped with pipe on the upside of the right part of sliding block, pipe is welded on cunning
On block, the top of pipe is inserted into spring eye, and the top of pipe is equipped with spring fixed hole, and the upper end of compressed spring is fixed on spring
In hole, the lower end of compressed spring is fixed in spring fixed hole, and spring eye is coaxial inner conductor, axis with pipe and spring fixed hole
Heart line is parallel with the lateral surface of lug boss.
Wherein, the lug boss of the movable bayonet can only overcome the elastic force of compressed spring to slidably reciprocate in link slot,
When sliding block drives movable bayonet to clamp workpiece, movable bayonet is driven by bayonet mount and squeezes workpiece, because of the lateral surface of bayonet mount
Lateral surface with link slot is ramp structure, thus bayonet mount to the pressure of movable bayonet resolve into horizontal pressure force and vertically to
Under pressure, when pressure vertically downward be more than compressed spring reaction force when, movable bayonet starts under vertical force
It moves down, while movable bayonet provides a downward pressure to clamped workpiece,
Wherein, the clamping face of the movable bayonet is equipped with miniature sawtooth, and the miniature sawtooth is arc, the clamping face
Intermediate position is additionally provided with groove, and the groove is arcuate structure.
Because movable bayonet and work piece interface are miniature sawtooth, after miniature sawtooth blocks workpiece, give workpiece one horizontal folder
Clamp force and a pressure vertically downward, and then correcting workpiece improve and are distributed to the chucking power of workpiece, makes the clamping of scroll chuck
Effect is more securely, reliably.
Wherein, the lateral surface of the lug boss and the angle of horizontal bottom are 60-85 degree.
Angle between the horizontal plane and inclined-plane of the miniature sawtooth is preferably 60 degree.
In addition, we can judge to press from both sides according to workpiece actual loading situation by observing the downslide size of movable bayonet
Tight situation.The setting up time of each clamping workpiece can also be reduced in this way, improve working efficiency.
The bayonet mount of the utility model and the joint face of movable bayonet are inclined-plane, and movable bayonet is slidably connected with bayonet mount,
Bayonet mount is fixedly connected with a slide block, and compressed spring is equipped between movable bayonet and sliding block, when sliding block drives movable bayonet cooperation
When clamping workpiece, movable bayonet and the sliding contact of bayonet mount inclined-plane, bayonet mount are driven through bevel gear and mold insert, provide one it is radial to
Heart pressure is decomposed into radial centripetal power and axial compressive force through the inclined-plane on bayonet mount, and compressed spring is anti-to movable bayonet one
To axial force, the balance between retentivity, movable bayonet under the action of overcoming elastic force, give one centripetal clamping force of workpiece
With an axial compressive force.The fine tuning of scroll chuck clamping force may be implemented in the utility model, clamps back bevel automatic guiding, reduces dress
Non-cutting time is pressed from both sides, clamping efficiency is improved.
The utility model has the beneficial effects that：The clamping force fine motion for realizing scroll chuck, realizes the fixture to workpiece
Inclined-plane correcting, clamping force is by individual radial centripetal stress to radial centripetal stress and axial bidirectional stress, and the two stress is big
It is small by compressed spring automatic fine tuning, do not have to worry chucking power is inadequate or excessive and defective work piece, reduce clamping non-cutting time, carry
High clamping efficiency.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the stereogram of the utility model.
Fig. 2 is the A-A diagrammatic cross-sections of Fig. 1.
Fig. 3 is the stereogram of chuck main body.
Fig. 4 is the upward view of Fig. 3.
Fig. 5 is the assembling schematic diagram of sliding block, bayonet mount and movable bayonet.
Fig. 6 is the structural schematic diagram of bayonet mount.
Fig. 7 is the structural schematic diagram of movable bayonet.
Specific implementation mode
The technical issues of in order to make the utility model solve, the technical solution of use, acquirement technique effect it can be readily appreciated that
With reference to specific attached drawing, specific embodiment of the present utility model is described further.
As shown in figs. 1-7, the utility model provides a kind of Baroclinic scroll chuck, including chuck main body 1, sliding block 2, card
Mouth seat 3, movable bayonet 4, compressed spring 5, mold insert 6, bevel gear 7, bottom plate 8.
The chuck main body 1 is cylindrical structure, and the upper surface of chuck main body 1 is equipped with sliding slot 101, the bottom of sliding slot 101
Equipped with strip-shaped hole 103, the sliding slot 101 is string configuration, the length direction of sliding slot 101 along chuck main body 1 radial direction side
To, the sliding slot 101 has 3, and the sliding slot 101 is uniformly distributed along the circumferencial direction of chuck main body 1, chuck main body 1 it is upper
Centre bore 102 is equipped at portion center, the bottom of chuck main body 1 is equipped with bottom plate 8, and chuck main body 1 is internally provided with vessel 9, vessel 9
To be columnar structured, the top of the vessel is equipped with mold insert 6, and the mold insert 6 is columnar structured, and the upper surface of mold insert 6 is equipped with
Second flat thread, lower surface are equipped with straight line and bore tooth, and the lateral wall of chuck main body 1 is equipped with trepanning 104, and the trepanning 104 has 3
It is a, bevel gear 7 is equipped in the trepanning 104, the bevel gear 7 there are 3, and the bevel gear 7 is located at the lower section of mold insert 6, bores tooth
Wheel 7 and the straight line cone tooth cooperation of mold insert 6 carry out axis bevel gear with axes at right angles transmission,
The sliding slot 101 is equipped with sliding block 2, and the lower part of sliding block 2 is equipped with the first flat thread 202, mold insert 6 and sliding block 2 it
Between by the first flat thread 202 and the second flat thread cooperation carry out slip screw transmission, sliding block 2 can be along sliding slot 101
Sliding is returned, rotating bevel gear 7 drives mold insert 6 to rotate, and mold insert 6 slidably reciprocates with movable slider 2 along sliding slot 101.
2 top of the sliding block is equipped with bayonet mount 3, and bayonet mount 3 is connected with movable bayonet 4, and the bayonet mount 3 is fixed on sliding block
On 2, movable bayonet 4 is slidably connected with bayonet mount 3, wherein the centripetal face 302 of the bayonet mount 3 is equipped with link slot 303, institute
It states movable bayonet 4 and is equipped with lug boss 401, the lateral surface 403 of movable bayonet 4 and the lateral surface 402 of lug boss 401 are inclined-plane knot
Structure, angle of inclination is consistent with the angle of inclination of lateral surface 301 of link slot 303, and lug boss 401 is mounted in link slot 303,
Lug boss 401 matches to merge with link slot 303 to be slidably connected, and lug boss 401 can slide up and down in link slot 303.
Wherein, compressed spring 5 is equipped between the movable bayonet 4 and sliding block 2.
The lateral cross section of the link slot 303 is trapezium structure, which is outer small interior big, centripetal face
302 and the lateral surface 301 of link slot 303 be ramp structure, which slopes inwardly from top to bottom, link slot 303 it is upper
Face is equipped with baffle 304, and baffle 304 is welded and fixed with link slot 303 (with reference to figure 6).
Wherein, the bottom of the movable bayonet 4 is equipped with spring eye 501, and pipe 201, pipe are equipped on the upside of the right part of sliding block 2
201 are welded on sliding block 2, and the top of pipe 201 is inserted into spring eye 501, and the top of pipe 201 is equipped with spring fixed hole 203,
The upper end of compressed spring 5 is fixed in spring eye 501, and the lower end of compressed spring 5 is fixed in spring fixed hole 203, spring eye
501 with pipe 201 and spring fixed hole 203 be coaxial inner conductor, and axial line is parallel with the lateral surface 402 of lug boss 401.
Wherein, the lug boss 401 of the movable bayonet 4 can only overcome the elastic force of compressed spring 5 in link slot 303
Sliding is returned, when sliding block 2 drives movable bayonet 4 to clamp workpiece, movable bayonet 4 is driven by bayonet mount 3 and squeezes workpiece, because of bayonet
The lateral surface 302 of seat 3 and the lateral surface 301 of link slot 303 are ramp structure, so bayonet mount 3 gives the pressure of movable bayonet 4
Horizontal pressure force and pressure vertically downward are resolved into, when pressure vertically downward is more than the reaction force of compressed spring 5, activity
Bayonet 4 starts to move down under vertical force, while movable bayonet 4 provides a downward pressure to clamped workpiece,
Wherein, the clamping face of the movable bayonet 4 is equipped with miniature sawtooth 404, and the miniature sawtooth 404 is arc, described
The intermediate position of clamping face is additionally provided with groove, and the groove is arcuate structure.
Because movable bayonet 4 and work piece interface are miniature sawtooth 404, after miniature sawtooth 404 blocks workpiece, workpiece one is given
Horizontal-clamping power and a pressure vertically downward, and then correcting workpiece improve and are distributed to the chucking power of workpiece, makes scroll chuck
Clamping effect more securely, it is reliable.
Wherein, the lateral surface 402 of the lug boss 401 and the angle of horizontal bottom are preferably 60-85 degree.
Angle between the horizontal plane and inclined-plane of the miniature sawtooth 404 is preferably 60 degree.
In addition, we can judge to press from both sides according to workpiece actual loading situation by observing the downslide size of movable bayonet 4
Tight situation.The setting up time of each clamping workpiece can also be reduced in this way, improve working efficiency.
The bayonet mount 3 of the utility model is inclined-plane with the joint face of movable bayonet 4, and movable bayonet 4 connects with the sliding of bayonet mount 3
It connects, bayonet mount 3 is fixedly connected with sliding block 2, compressed spring 5 is equipped between movable bayonet 4 and sliding block 2, when 2 drive activity of sliding block
When bayonet 4 is matched for clamping tightly workpiece, movable bayonet 4 and 3 inclined-plane sliding contact of bayonet mount, bayonet mount 3 are passed through bevel gear 7 and mold insert 6
It is dynamic, a radial centripetal pressure is provided, radial centripetal power and axial compressive force are decomposed into through the inclined-plane on bayonet mount 3, and compressed spring 5
Give movable bayonet 4 one reversed axial forces, the balance between retentivity, movable bayonet 4 is given under the action of overcoming elastic force
One centripetal clamping force of workpiece and an axial compressive force.The fine tuning of scroll chuck clamping force may be implemented in the utility model, after clamping
Inclined-plane automatic guiding reduces clamping non-cutting time, improves clamping efficiency.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to the protection scope in claims.
Claims (5)
1. a kind of Baroclinic scroll chuck, it is characterised in that：Including chuck main body, sliding block, bayonet mount, movable bayonet, compression bullet
Spring, mold insert, bevel gear, bottom plate, the chuck main body are cylindrical structure, and the upper surface of chuck main body is equipped with sliding slot, the cunning
Slot has 3, and the bottom of sliding slot is equipped with strip-shaped hole, and chuck main body is internally provided with vessel, and the top of the vessel is equipped with mold insert, institute
It is columnar structured to state mold insert, and the upper surface of mold insert is equipped with the second flat thread, and lower surface is equipped with straight line and bores tooth, chuck main body
Lateral wall is equipped with trepanning, and the trepanning has 3, is equipped with bevel gear in the trepanning, the bevel gear has 3, the bevel gear
Positioned at the lower section of mold insert, the straight line cone tooth cooperation of bevel gear and mold insert carries out axis bevel gear with axes at right angles transmission, and the sliding slot is equipped with
The top of sliding block, the sliding block is equipped with bayonet mount, and bayonet mount is connected with movable bayonet, and the bayonet mount is fixed on sliding block, living
Dynamic bayonet is slidably connected with bayonet mount, wherein the centripetal face of the bayonet mount is equipped with link slot, the lateral surface of the link slot
For ramp structure, the movable bayonet is equipped with lug boss, and the lateral surface of movable bayonet and the lateral surface of lug boss are ramp structure,
The lug boss is mounted in link slot, and lug boss and link slot, which match to merge, to be slidably connected, lug boss can be in link slot on
Lower slider, wherein compressed spring is equipped between the movable bayonet and sliding block.
2. Baroclinic scroll chuck according to claim 1, it is characterised in that：The lower part of the sliding block is equipped with the first plane
Screw thread carries out slip screw transmission between mold insert and sliding block by the first flat thread and the cooperation of the second flat thread, and sliding block can
To slidably reciprocate along sliding slot, rotating bevel gear drives mold insert rotation, mold insert band movable slider to slidably reciprocate along sliding slot.
3. Baroclinic scroll chuck according to claim 1, it is characterised in that：The bottom of the movable bayonet is equipped with spring
The right part upside in hole, sliding block is equipped with pipe, and pipe is welded on sliding block, and the top of pipe is inserted into spring eye, the top of pipe
Equipped with spring fixed hole, the upper end of compressed spring is fixed in spring eye, and the lower end of compressed spring is fixed in spring fixed hole,
Spring eye is coaxial inner conductor with pipe and spring fixed hole, and axial line is parallel with the lateral surface of lug boss.
4. Baroclinic scroll chuck according to claim 1, it is characterised in that：The lateral surface and horizontal base of the lug boss
The angle in face is 60-85 degree.
5. Baroclinic scroll chuck according to claim 1, it is characterised in that：The clamping face of the movable bayonet is provided with
Miniature sawtooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721801465.2U CN207615686U (en) | 2017-12-21 | 2017-12-21 | A kind of Baroclinic scroll chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721801465.2U CN207615686U (en) | 2017-12-21 | 2017-12-21 | A kind of Baroclinic scroll chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207615686U true CN207615686U (en) | 2018-07-17 |
Family
ID=62821933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721801465.2U Active CN207615686U (en) | 2017-12-21 | 2017-12-21 | A kind of Baroclinic scroll chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207615686U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111112663A (en) * | 2019-12-27 | 2020-05-08 | 杭州禾呈科技股份有限公司 | Positioning fixture for star-shaped sleeve |
| CN111168600A (en) * | 2020-02-15 | 2020-05-19 | 浙江嘉丞机械有限公司 | High-efficient low-cost plunger head special fixture |
| CN111390213A (en) * | 2020-04-16 | 2020-07-10 | 胡炜凯 | Numerical control machine tool chuck mechanism with workpiece capable of being popped out quickly |
| CN111618733A (en) * | 2020-07-01 | 2020-09-04 | 长春理工大学 | Water route temperature regulating device of abrasive flow processing |
| CN113275609A (en) * | 2021-05-21 | 2021-08-20 | 苏州中央可锻有限公司 | Special multi-claw floating pressure head for processing cast blank |
-
2017
- 2017-12-21 CN CN201721801465.2U patent/CN207615686U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111112663A (en) * | 2019-12-27 | 2020-05-08 | 杭州禾呈科技股份有限公司 | Positioning fixture for star-shaped sleeve |
| CN111168600A (en) * | 2020-02-15 | 2020-05-19 | 浙江嘉丞机械有限公司 | High-efficient low-cost plunger head special fixture |
| CN111390213A (en) * | 2020-04-16 | 2020-07-10 | 胡炜凯 | Numerical control machine tool chuck mechanism with workpiece capable of being popped out quickly |
| CN111390213B (en) * | 2020-04-16 | 2021-03-26 | 嘉兴华嶺机电设备有限公司 | Numerical control machine tool chuck mechanism with workpiece capable of being popped out quickly |
| CN111618733A (en) * | 2020-07-01 | 2020-09-04 | 长春理工大学 | Water route temperature regulating device of abrasive flow processing |
| CN113275609A (en) * | 2021-05-21 | 2021-08-20 | 苏州中央可锻有限公司 | Special multi-claw floating pressure head for processing cast blank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 523000 No. 6 Xiaganggang Sand Road, Chang'an Town, Dongguan City, Guangdong Province Patentee after: Guangdong Bo Yuan Spray Technology Co., Ltd. Address before: 523000 Gangsha Road, Xiagang Community, Chang'an, Dongguan City, Guangdong Province Patentee before: Dongguan Boyuan spray purification equipment Co., Ltd. |
|
| CP03 | Change of name, title or address |