CN106881386A - Remove the mould of punching part plane of thrust burr - Google Patents
Remove the mould of punching part plane of thrust burr Download PDFInfo
- Publication number
- CN106881386A CN106881386A CN201710270588.6A CN201710270588A CN106881386A CN 106881386 A CN106881386 A CN 106881386A CN 201710270588 A CN201710270588 A CN 201710270588A CN 106881386 A CN106881386 A CN 106881386A
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- China
- Prior art keywords
- montant
- hole
- cross bar
- burr
- thrust
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/005—Edge deburring or smoothing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses the mould of removal punching part plane of thrust burr, including punching die body, at the blanking end of punching die body, jagged grinding subassembly is set, rotary driving gear and linear drive device, the burr grinding subassembly includes the montant and cross bar component that are sequentially connected, the montant is located at the lower section of punching die material-dropping hole, the cross bar component is extensible member, and the one end away from montant on the side wall of cross bar component is provided with abrading article, start linear drive device and rotary driving gear, cross bar component enters in material-dropping hole, and contacted with the hole wall of material-dropping hole away from one end of montant in abrading article, the abrading article is ground to the burr on punching hole in piece part wall.The burr for making abrading article to be punched incision position on part is removed.The time cost that labour intensity, part this not only lowers workman make, also improves the uniformity of the configuration of surface after part deburring.
Description
Technical field
The present invention relates to a kind of punching die, and in particular to the mould of removal punching part plane of thrust burr.
Background technology
It is stamping to be used to produce various sheet metal parts as a kind of highly important processing method in modern industry, tool
There are an advantages of many uniquenesses, its profiled member has from heavy and light, rigidity is big, low cost and other advantages, is a kind of other processing method institutes
Can not compare and irreplaceable advanced manufacturing technology.
After operation is punched out to workpiece, workpiece is that the workpiece position that is thrust can produce burr at matched moulds position, these hairs
Piercing the machining accuracy to part, assembly precision, use requirement, reprocessing positioning, safe operation and presentation quality etc. can all produce
The bad influence of life, therefore deburring treatment need to be carried out to the workpiece after punching.
The burr minimizing technology of existing punching part is mainly manual removal.Go in flash removed by hand, not only increase work
The labour intensity of people, also add the time cost of part making.Flash removed is gone to rely primarily on workman manually by hand simultaneously, its master
The property seen is strong, and operation is random, and the uniformity of the configuration of surface after part deburring is poor.
The content of the invention
Present invention aim at the mould for providing removal punching part plane of thrust burr, solve what removal punching by hand was produced
In burr, the time cost that the labour intensity of workman, part make is not only increased, and configuration of surface after part deburring
The problem of uniformity difference.
The present invention is achieved through the following technical solutions：
The mould of punching part plane of thrust burr, including punching die body are removed, is set at the blanking end of punching die body
Burr grinding subassembly, rotary driving gear and linear drive device are equipped with, the burr grinding subassembly includes orthogonal
The montant and cross bar component of connection, the montant are located at the lower section of punching die material-dropping hole, and axis and the material-dropping hole of montant
Axis overlaps, and the one end on the side wall of montant away from cross bar component is connected with rotary driving gear, and rotary the driving fills
Put and drive montant to be rotated around the axis of montant, the linear drive device is located at one end away from cross bar component on montant,
And drive rotary driving gear and montant to be moved along the axis of montant；
The cross bar component is extensible member, and one end away from montant on the side wall of cross bar component is provided with abrading article,
Start linear drive device and rotary driving gear, cross bar component enters in material-dropping hole, and away from montant in abrading article
One end contacts with the hole wall of material-dropping hole, and the abrading article is ground to the burr on punching hole in piece part wall.
Abrading article can be using file, abrasive block, lathe tool even dry sanding paper.In the present invention, the preferred abrasive block of abrading article and
Lathe tool.And in grinding, by adjusting the length of cross bar component, make in abrading article near one end of material-dropping hole hole wall all the time with hole wall
Contact, and under the driving of rotary driving gear and linear drive device, moved to part is punched, and zero will be punched
The burr removal of incision position on part.The time cost that labour intensity, part this not only lowers workman make, also improves zero
The uniformity of the configuration of surface after part deburring.
Further, the cross bar component includes mounting cylinder coaxial to one another, spring and cross bar, one end of the cross bar
In the centre bore of mounting cylinder, and it is connected with the cylinder bottom of mounting cylinder by spring；
On the mounting cylinder away from centre bore opening and one end is vertical with montant is connected, and fallen between mounting cylinder and montant
Angle；
One end on the side wall of cross bar away from spring is connected with abrading article.Flash removed is gone to be hit by a bullet spring in compressive state.
By compression spring so that abrading article is contacted with material-dropping hole hole wall, meanwhile, the material of part can be punched according to difference
To select the spring of suitable elasticity dynamics or length.When the burr hardness being punched on part end face is big, it is necessary to be cut off
When power is larger, then the larger spring of selectable lengths obtains abrading article to increase the deformation of spring bigger along material-dropping hole
The thrust in aperture, is easy to remove burr by the one end in abrading article near barrel；Meanwhile, reduce linear drive device
Power output, makes the slowly upper shifting of montant and cross bar component, so that the one end in abrading article away from ground slowly removes burr, keeps away
Remove flash removed speed from excessive, when causing to grind away burr, damage is punched on part the face adhered to by burr.
Further, also including bolt, be provided with tapped through hole in mounting cylinder centre bore bottom hole, the tapped through hole with
Centre bore coaxial line, is provided with movable plate, away from bottom hole on the movable plate between spring and mounting cylinder centre bore bottom hole
One end is connected with spring, and the bar portion end of the bolt is connected after passing through tapped through hole with movable plate rotation, and rotating bolt is mobile
Plate is not rotated, but along the axis movement of bolt.
The part such as bolt is set, is to obtain abrading article to adjust the decrement of spring by adjusting movable plate
Required radial thrust so that originally make invention be applied to be unable to material be punched material and various sizes of concave-convex mold.When need
During the deformation of larger spring, swivel bolt makes movable plate be moved to spring；When the deformation of less spring is needed, reversely rotation
Turn bolt, movable plate is moved to the centre bore bottom hole of mounting cylinder.
Further, also including the controller and display that are sequentially connected, it is provided between movable plate and spring and control
The pressure sensor of device processed connection, the pressure sensor can sense the pressure that spring deformation is produced, and by the pressure information
Controller is sent to, controller receives the pressure information for coming from pressure sensor, and the pressure information is shown by display
Show to come.
In order to further improve the accuracy of the decrement of compression spring, there is provided the part such as pressure sensor, can pass through
Whether to judge the decrement of spring suitable, the matter of part plane of thrust is punched beneficial to raising if checking the pressure value shown on display
Amount.The controller preferably single-chip microcomputer with 8501 chips, the preferred DJWX-08 of model of pressure sensor, the preferred LED of display shows
Display screen.
Further, gathering sill is provided with the centre bore hole wall of mounting cylinder, the bearing of trend of the gathering sill is parallel
In the center line of centre bore, sliding block is provided with the side wall of centre bore hole wall on movable plate, is set on the side wall of cross bar
There is guide pad, the sliding block and guide pad coordinate with gathering sill, and capacity is slided along the extension axis of gathering sill.
Further, near the side of material-dropping hole hole wall be arc in the abrading article, and its radius with for punching
The radius of punch-pin is consistent.Because in flash removed is removed, spring is in compressive state, near the side of material-dropping hole hole wall in abrading article
Contacted with hole wall, the side in abrading article near material-dropping hole hole wall is arranged to the arcwall face consistent with the radius of punch-pin, increased
Abrading article and the contact surface for being punched part plane of thrust, the effect of flash removed is gone to strengthen, and improves the quality of plane of thrust.
Further, ball is inlaid with the end face of material-dropping hole hole wall on cross bar component, is crossing the ball centre of sphere
In horizontal cross-section, the ball is inscribed within material-dropping hole.Montant rotation in, on ball cross the centre of sphere horizontal plane on apart from montant most
Remote point is constantly on material-dropping hole hole wall or is punched on the plane of thrust of part, and the setting of ball not only reduces cross bar group
Frictional force between part and hole wall, is additionally favorable for improving stationarity when abrading article is ground.
The present invention compared with prior art, has the following advantages and advantages：
1st, the mould of present invention removal punching part plane of thrust burr, in grinding, by adjusting the length of cross bar component, makes mill
One end in cutting members near material-dropping hole hole wall contacts with hole wall all the time, and in rotary driving gear and linear drive device
Under driving, moved to part is punched, and the burr removal of incision position on part will be punched.This not only lowers the labor of workman
The time cost that fatigue resistance, part make, also improves the uniformity of the configuration of surface after part deburring；
2nd, the mould of present invention removal punching part plane of thrust burr, by compression spring so that abrading article and material-dropping hole hole wall
Contact, meanwhile, the material of part can be punched according to difference to select the spring of suitable elasticity dynamics or length.When being punched part
Burr hardness on end face is big, it is necessary to when the power being cut off is larger, then the larger spring of selectable lengths, to increase spring
Deformation makes the abrading article obtain the bigger thrust along material-dropping hole aperture, be easy to by abrading article near one end of barrel by hair
Thorn removal；Meanwhile, the power output of linear drive device is reduced, make the slowly upper shifting of montant and cross bar component, so that abrading article
On burr is slowly removed away from the one end on ground, it is to avoid removal burr speed is excessive, and when causing to grind away burr, damage is rushed
The face adhered to by burr on the part of hole；
3rd, the mould of present invention removal punching part plane of thrust burr, sets the parts such as bolt, is to pass through adjustment movement
Plate makes abrading article obtain required radial thrust to adjust the decrement of spring, so that being originally applied to invention is unable to material
Be punched material and various sizes of concave-convex mold.When the deformation of larger spring is needed, swivel bolt makes movable plate to spring
It is mobile；When the deformation of less spring is needed, bolt is reversely rotated, movable plate is moved to the centre bore bottom hole of mounting cylinder；
4th, the mould of present invention removal punching part plane of thrust burr, in order to further improve the standard of the decrement of compression spring
True property, there is provided the part such as pressure sensor, can judge the decrement of spring by checking the pressure value shown on display
It is whether suitable, the quality of part plane of thrust is punched beneficial to raising；
5th, the mould of present invention removal punching part plane of thrust burr, near the side of material-dropping hole hole wall and hole wall in abrading article
Contact, the arcwall face consistent with the radius of punch-pin is arranged to by the side in abrading article near material-dropping hole hole wall, increases grinding
Part and the contact surface for being punched part plane of thrust, the effect of flash removed is gone to strengthen, and improves the quality of plane of thrust；
6th, the mould of present invention removal punching part plane of thrust burr, the setting of ball not only reduces cross bar component and hole wall
Between frictional force, be additionally favorable for improve abrading article be ground when stationarity.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of burr grinding subassembly；
Fig. 2 is structural representation of the invention；
Fig. 3 is the cross-sectional view of mounting cylinder；
Fig. 4 is the cross-sectional view of cross bar；
Fig. 5 is the top view of abrading article；
Fig. 6 is the enlarged drawing of cross bar component.
Mark and corresponding parts title in accompanying drawing：
1- montants, 2- cross bar components, 3- abrading article, 4- mounting cylinders, 5- springs, 6- cross bars, 7- movable plates, 8- bolts, 9-
Pressure sensor, 10- gathering sills, 11- sliding blocks, 12- guide pads, 13- balls, 14- gears, 15- pneumatic cylinders, 16- fixed plates.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
It is limitation of the invention.
Embodiment 1
As shown in figs 1 to 6, the mould of present invention removal punching part plane of thrust burr, including punching die body, in punching
The blanking end of punch die body sets jagged grinding subassembly, rotary driving gear and linear drive device, the burr
Grinding subassembly includes the montant 1 and cross bar component 2 of orthogonal connection, and the montant 1 is located at the lower section of punching die material-dropping hole,
And the axis of montant 1 overlaps with the axis of material-dropping hole, the one end away from cross bar component 2 and rotary driving on the side wall of montant 1
Device is connected, and the rotary driving gear drives montant 1 to be rotated around the axis of montant 1, the linear drive device position
In the one end on montant 1 away from cross bar component 2, and rotary driving gear and montant 1 is driven to be moved along the axis of montant 1；
The cross bar component 2 is extensible member, and one end away from montant 1 on the side wall of cross bar component 2 is provided with grinding
Part 3, starts linear drive device and rotary driving gear, and cross bar component 2 enters in material-dropping hole, and in abrading article 3 away from
One end of montant 1 contacts with the hole wall of material-dropping hole, and the abrading article 3 is ground to the burr on punching hole in piece part wall.
Abrading article 3 can be using file, abrasive block, lathe tool even dry sanding paper.In the present invention, the preferred abrasive block of abrading article 3
And lathe tool.And in grinding, by adjusting the length of cross bar component 2, make in abrading article 3 near one end of material-dropping hole hole wall all the time with
Hole wall is contacted, and under the driving of rotary driving gear and linear drive device, is moved to part is punched, and will be rushed
The burr removal of incision position on the part of hole.The time cost that labour intensity, part this not only lowers workman make, also improves
The uniformity of the configuration of surface after part deburring.
Embodiment 2
The present invention is on the basis of embodiment 1, the present invention to be further illustrated.
As shown in figs 1 to 6, the mould of present invention removal punching part plane of thrust burr, the cross bar component 2 is included each other
The mounting cylinder 4 of coaxial line, spring 5 and cross bar 6, one end of the cross bar 6 are located in the centre bore of mounting cylinder 4, and by spring 5
It is connected with the cylinder bottom of mounting cylinder 4；
On the mounting cylinder 4 away from centre bore opening and one end is vertical with montant 1 is connected, and mounting cylinder 4 and montant 1 it
Between chamfering；
One end on the side wall of cross bar 6 away from spring 5 is connected with abrading article 3.Flash removed is gone to be hit by a bullet spring 5 in compression shape
State.
By compression spring 5 so that abrading article 3 is contacted with material-dropping hole hole wall, meanwhile, the material of part can be punched according to difference
Expect to select the spring 5 of suitable elasticity dynamics or length.When the burr hardness being punched on part end face is big, it is necessary to be cut off
Power it is larger when, then the larger spring 5 of selectable lengths, makes abrading article 3 obtain bigger edge to increase the deformation of spring 5 and falls
Expect the thrust in hole aperture, be easy to remove burr by the one end in abrading article 3 near barrel；Meanwhile, reduce linear driving
The power output of device, makes the slowly upper shifting of montant 1 and cross bar component 2, so that burr is delayed in the one end in abrading article 3 away from ground
Slow removal, it is to avoid removal burr speed is excessive, when causing to grind away burr, damage is punched on part the face adhered to by burr.
Embodiment 3
The present invention is on the basis of embodiment 2, the present invention to be further illustrated.
As shown in figs 1 to 6, the mould of present invention removal punching part plane of thrust burr, also including bolt 8, in mounting cylinder 4
Tapped through hole, the tapped through hole and centre bore coaxial line are provided with centre bore bottom hole, in spring 5 and the centre bore of mounting cylinder 4
Movable plate 7 is provided between bottom hole, the one end on the movable plate 7 away from bottom hole is connected with spring 5, the bar portion of the bolt 8
End is connected after passing through tapped through hole with the rotation of movable plate 7, and rotating bolt 8, movable plate 7 is not rotated, but along the axis of bolt 8
It is mobile.
Bolt 8 grade part is set, is to make abrading article 3 to adjust the decrement of spring 5 by adjusting movable plate 7
Radial thrust needed for obtaining so that originally make invention be applied to be unable to material be punched material and various sizes of concave-convex mold.
When the deformation of larger spring 5 is needed, swivel bolt 8 makes movable plate 7 be moved to spring 5；When the deformation for needing less spring 5
When, bolt 8 is reversely rotated, movable plate 7 is moved to the centre bore bottom hole of mounting cylinder 4.
Embodiment 4
The present invention is on the basis of embodiment 3, the present invention to be further illustrated.
As shown in figs 1 to 6, the mould of present invention removal punching part plane of thrust burr, the also controller including being sequentially connected
And display, the pressure sensor 9 being connected with controller, the pressure sensor 9 are provided between movable plate 7 and spring 5
The pressure that the deformation of spring 5 is produced can be sensed, and the pressure information is sent to controller, controller is received and comes from pressure biography
The pressure information of sensor 9, and the pressure information is shown by display.
In order to further improve the accuracy of the decrement of compression spring 5, there is provided the grade part of pressure sensor 9, can lead to
Cross and check whether the pressure value of display on display is suitable to judge the decrement of spring 5, and part plane of thrust is punched beneficial to raising
Quality.The controller preferably single-chip microcomputer with 8501 chips, the preferred DJWX-08 of model of pressure sensor 9, display is preferred
LED display.
Embodiment 5
The present invention is on the basis of embodiment 2, the present invention to be further illustrated.
As shown in figs 1 to 6, the mould of present invention removal punching part plane of thrust burr, in the centre bore hole wall of mounting cylinder 4
On be provided with gathering sill 10, the bearing of trend of the gathering sill 10 parallel to centre bore center line, near center on movable plate 7
Sliding block 11 is provided with the side wall of hole hole wall, guide pad 12, the sliding block 11 and guide pad 12 are provided with the side wall of cross bar 6
Coordinate with gathering sill 10, and capacity is slided along the extension axis of gathering sill 10.
Embodiment 6
The present invention is on the basis of embodiment 1, the present invention to be further illustrated.
As shown in figs 1 to 6, the mould of present invention removal punching part plane of thrust burr, near blanking in the abrading article 3
The side of hole hole wall is arc, and its radius is consistent with the radius of the punch-pin for punching.Due in flash removed is removed, spring 5
In compressive state, the side in abrading article 3 near material-dropping hole hole wall contacts with hole wall, material-dropping hole hole will be close in abrading article 3
The side of wall is arranged to the arcwall face consistent with the radius of punch-pin, increases abrading article 3 and is punched the contact of part plane of thrust
Face, the effect of flash removed is gone to strengthen, and improves the quality of plane of thrust.
Embodiment 6
The present invention is on the basis of embodiment 1, the present invention to be further illustrated.
As shown in figs 1 to 6, the mould of present invention removal punching part plane of thrust burr, near blanking on cross bar component 2
Ball 13 is inlaid with the end face of hole hole wall, in the horizontal cross-section for crossing the centre of sphere of ball 13, the ball 13 is inscribed within material-dropping hole.
In the rotation of montant 1, crossed on ball 13 point farthest apart from montant 1 on the horizontal plane of the centre of sphere be constantly on material-dropping hole hole wall or
Person is punched on the plane of thrust of part, and the setting of ball 13 not only reduces the frictional force between cross bar component 2 and hole wall, also profit
The stationarity when grinding of abrading article 3 is improved.
Embodiment 7
The present invention is on the basis of embodiment 1, the rotary driving gear in the present invention to be further illustrated.
As shown in figs 1 to 6, the mould of present invention removal punching part plane of thrust burr, is arranged with and montant 1 on montant 1
The gear 14 of coaxial line, the gear 14 obtains rotary power by gear train and motor, and then drives montant 1 to rotate；
Retractable driving device uses pneumatic cylinder 15, and one end rotary setting near pneumatic cylinder 15 on montant 1 has fixation
Plate 16, montant 1 is rotated, and fixed plate 16 is not rotated, the one end away from montant 1 and the piston-rod end of pneumatic cylinder 15 in fixed plate 16
Connection.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (7)
1. the mould of punching part plane of thrust burr, including punching die body are removed, it is characterised in that：In punching die body
Blanking end sets jagged grinding subassembly, rotary driving gear and linear drive device, and the burr grinding subassembly includes
The montant (1) and cross bar component (2) of orthogonal connection, the montant (1) is positioned at the lower section of punching die material-dropping hole, and montant
(1) axis overlaps with the axis of material-dropping hole, the one end away from cross bar component (2) and rotary driving on the side wall of montant (1)
Device is connected, and the rotary driving gear drives montant (1) to be rotated around the axis of montant (1), and linear the driving fills
Setting in the one end on montant (1) away from cross bar component (2), and rotary driving gear and montant (1) are driven along montant (1)
Axis movement；
The cross bar component (2) is extensible member, and one end away from montant (1) on the side wall of cross bar component (2) is provided with mill
Cutting members (3), starts linear drive device and rotary driving gear, and cross bar component (2) enters in material-dropping hole, and abrading article
(3) one end on away from montant (1) contacts with the hole wall of material-dropping hole, and the abrading article (3) is to the burr on punching hole in piece part wall
It is ground.
2. it is according to claim 1 removal punching part plane of thrust burr mould, it is characterised in that：The cross bar component
(2) including mounting cylinder (4) coaxial to one another, spring (5) and cross bar (6), one end of the cross bar (6) is located at mounting cylinder (4)
Centre bore in, and be connected with the cylinder bottom of mounting cylinder (4) by spring (5)；
On the mounting cylinder (4) away from centre bore opening and one end is vertical with montant (1) is connected, and mounting cylinder (4) and montant
(1) chamfering between；
One end on the side wall of cross bar (6) away from spring (5) is connected with abrading article (3), goes flash removed to be hit by a bullet spring (5) in compression
State.
3. it is according to claim 2 removal punching part plane of thrust burr mould, it is characterised in that：Also include bolt (8),
Be provided with tapped through hole in mounting cylinder (4) centre bore bottom hole, the tapped through hole and centre bore coaxial line, in spring (5) and
Movable plate (7) is provided between mounting cylinder (4) centre bore bottom hole, the one end away from bottom hole and spring (5) on the movable plate (7)
Connection, the bar portion end of the bolt (8) is connected after passing through tapped through hole with movable plate (7) rotation, and rotating bolt (8) is mobile
Plate (7) is not rotated, but along the axis movement of bolt (8).
4. it is according to claim 3 removal punching part plane of thrust burr mould, it is characterised in that：Also include being sequentially connected
Controller and display, the pressure sensor (9) being connected with controller, institute are provided between movable plate (7) and spring (5)
Stating pressure sensor (9) can sense the pressure that spring (5) deformation is produced, and the pressure information is sent into controller, control
Device receives the pressure information for coming from pressure sensor (9), and the pressure information is shown by display.
5. it is according to claim 3 removal punching part plane of thrust burr mould, it is characterised in that：In mounting cylinder (4)
Gathering sill (10) is provided with centre bore hole wall, the bearing of trend of the gathering sill (10) is being moved parallel to the center line of centre bore
Sliding block (11) is provided with the side wall of centre bore hole wall on dynamic plate (7), guide pad is provided with the side wall of cross bar (6)
(12), the sliding block (11) and guide pad (12) coordinate with gathering sill (10), and capacity is along the extension axis of gathering sill (10)
Slide.
6. it is according to claim 1 removal punching part plane of thrust burr mould, it is characterised in that：The abrading article (3)
The upper side near material-dropping hole hole wall is arc, and its radius is consistent with the radius of the punch-pin for punching.
7. it is according to claim 6 removal punching part plane of thrust burr mould, it is characterised in that：In cross bar component (2)
It is upper to be inlaid with ball (13) on the end face of material-dropping hole hole wall, in the horizontal cross-section for crossing ball (13) centre of sphere, the ball
(13) it is inscribed within material-dropping hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270588.6A CN106881386B (en) | 2017-04-24 | 2017-04-24 | Remove the mold of punching part plane of thrust burr |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270588.6A CN106881386B (en) | 2017-04-24 | 2017-04-24 | Remove the mold of punching part plane of thrust burr |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106881386A true CN106881386A (en) | 2017-06-23 |
| CN106881386B CN106881386B (en) | 2019-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710270588.6A Active CN106881386B (en) | 2017-04-24 | 2017-04-24 | Remove the mold of punching part plane of thrust burr |
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| CN205765374U (en) * | 2016-06-01 | 2016-12-07 | 南昌洪乐汽车配件有限公司 | A kind of efficient automobile punching accessory sanding apparatus |
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| CN106881386B (en) | 2019-03-01 |
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