CN206241026U - A kind of scrap cutter of blanking die - Google Patents
A kind of scrap cutter of blanking die Download PDFInfo
- Publication number
- CN206241026U CN206241026U CN201621103750.2U CN201621103750U CN206241026U CN 206241026 U CN206241026 U CN 206241026U CN 201621103750 U CN201621103750 U CN 201621103750U CN 206241026 U CN206241026 U CN 206241026U
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- China
- Prior art keywords
- die
- pin
- plate
- cavity
- sliding seat
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Abstract
The utility model discloses a kind of scrap cutter of blanking die, including punch-pin, cavity plate, sliding seat, die shoe, die-pin, cylinder, fixed cover and the first spring installing plate.Because die-pin has driven product to have dropped a certain distance during punching, in punching, die-pin only need to again decline a small distance, and the first time falling head of die-pin and second falling head sum are punching height.When the scrap cutter of blanking die is punched, product only needs to decline second falling head, after the completion of punching, snap-off-distance of the die-pin under the effect of the first compression spring restoring force is also second distance of falling head, shorten relative to snap-off-distance of the die-pin in the prior art under the effect of the first compression spring restoring force, the restoring force that first compression spring is provided also accordingly reduces, so as to reduce the damage caused to covering edge.
Description
Technical field
The utility model is related to metal working technical area, more particularly to a kind of scrap cutter of blanking die.
Background technology
Mould design and manufacture technology is the core technology of modern punching production, with the fast development of modern manufacturing industry, phase
Automobile industry is closed while pursuit production is efficient, safe and reliable, the requirement to spare and accessory parts quality is also increasingly improved, especially core
The quality of heart parts, especially appearance requirement also more and more higher.
Covering in automobile industry has the features such as material is thin, complex-shaped, physical dimension is big and surface quality requirements
High the features such as.The waste material appearance and size of covering is big, and deburring shape is more complicated, it is impossible to using general discharging ring discharging, it is necessary to
After being cut off using scrap cutter, discharging is just convenient and safe.
Scrap cutter of the prior art includes punch-pin and cavity plate, and core rod, punch-pin band moving-mould-core blanking are provided with punch-pin
Product enters cavity plate cut-out waste material.Compression spring is provided with die-pin, when core rod is punched product, product can be with cavity plate one
Rise and decline, core rod rises after the completion of punching, die-pin drives cavity plate to rise under the restoring force effect of compression spring, due to recessed
Mould can swing in uphill process, and the edge and cavity plate inner chamber for causing covering rub, and cause to damage, influence covering
Surface quality.
Therefore, the damage to covering edge during scrap cutter cut-out waste material how is reduced, as this area skill
Art personnel technical problem urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of scrap cutter of blanking die, is cut off in scrap cutter with reducing
To the damage at covering edge during waste material.
To achieve the above object, the utility model provides following technical scheme：
A kind of scrap cutter of blanking die, including：
Punch-pin, the punch-pin is connected by die shank with upper bolster, and the lower end of the punch-pin is provided with core rod；
The cavity plate coordinated with the punch-pin, is provided with the die cavity coordinated with the core rod on the cavity plate；
The sliding seat being connected with the cavity plate lower end, is provided with the cavity opened up along its axis direction in the sliding seat；
Be set in the die shoe of the sliding seat outer wall, the die shoe coordinates with the sliding seat gap, and it is described under
The guide rail for being swung for the sliding seat is provided with die holder, the swaying direction of the sliding seat is along the die shoe
The up and down motion of axis direction and the horizontal movement of the radial direction along the die shoe；
The die-pin that can be slided along the cavity of the die cavity of the cavity plate and the sliding seat, the die-pin includes
The second of the cavity top inwall cooperation of the first die-pin and the sliding seat that coordinate with the mould intracavity wall of the cavity plate is recessed
Mould push rod and the 3rd die-pin being connected with second die-pin；
Positioned at the fixed cover of the sliding seat lower end, the first compression spring, first pressure are provided with the fixed cover
Contracting spring upper end is provided with upper junction plate, and lower end is provided with lower connecting plate, under the upper junction plate and the 3rd die-pin
End connection, the upper junction plate and the lower connecting plate can be slided along the inwall of the fixed cover；
The fixed cover lower end is arranged on for supporting the first spring installing plate of the fixed cover；
Cylinder, the piston rod of the cylinder is connected through the first spring installing plate with the lower connecting plate.
Preferably, in the scrap cutter of above-mentioned blanking die, also include：
The second spring installing plate being arranged in parallel with the first spring installing plate, the first spring installing plate and described
The second compression spring is provided between second spring installing plate.
Preferably, in the scrap cutter of above-mentioned blanking die, it is provided with the punch-pin along the installation of its axis direction
Hole, is provided with the thimble for buffering the punch-pin to the cavity plate impact in the mounting hole.
Preferably, in the scrap cutter of above-mentioned blanking die, the number of the mounting hole is four, and the thimble
Number is four.
It is from above-mentioned technical proposal as can be seen that the scrap cutter of the blanking die that the utility model is provided including punch-pin, recessed
Mould, sliding seat, die shoe, die-pin, fixed cover, upper junction plate, lower connecting plate, the first compression spring, cylinder and the first bullet
Spring installing plate.Upper junction plate, lower connecting plate and the first compression spring constitute an overall structure, can be in the pulling lower edge of cylinder
The inwall for fixed cover is slided.When the scrap cutter of blanking die works, product is placed on the first recessed of die-pin first
The upper surface of mould push rod, cylinder pulls lower connecting plate to move downward first time falling head, upper junction plate, the first compression spring and
Lower connecting plate together along the inwall slide downward first time falling head of fixed cover, die-pin under gravity along
The die cavity of cavity plate moves downward first time falling head, and product declines first time falling head with die-pin together, then
Punch-pin band moving-mould-core declines, and core rod continues to be pressed downward die-pin motion, until the upper surface phase of the lower surface of punch-pin and cavity plate
Support, punch-pin applies downward pressure to cavity plate, cavity plate promotes sliding seat to move realization along the guide rail of die shoe and waste material is rushed
Cut out.Because die-pin has driven product to have dropped first time falling head during punching, in punching, die-pin is only needed again
Decline second falling head, first time falling head is the height of core rod with second falling head sum.In blanking die
Scrap cutter when being punched, product only needs to decline second falling head, and after the completion of punching, die-pin exists
Snap-off-distance under the effect of first compression spring restoring force is also second distance of falling head, relative to prior art concave
Snap-off-distance of the mould push rod under the effect of the first compression spring restoring force shortens, and the restoring force that the first compression spring is provided is also corresponding
Reduce, so as to reduce the damage caused to covering edge.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the punch-pin of the scrap cutter of the blanking die that Fig. 1 is provided for the utility model embodiment；
The scrap cutter of the blanking die that Fig. 2 is provided for the utility model embodiment except the structural representation of punch-pin outer portion
Figure.
1st, punch-pin, 2, sliding seat, 3, die shoe, the 4, first die-pin, the 5, second die-pin, the 6, the 3rd cavity plate top
Bar, 7, cylinder, 8, fixed cover, the 9, first compression spring, the 10, first spring installing plate, 11, second spring installing plate, 12, second
Compression spring, 13, thimble.
Specific embodiment
The utility model discloses a kind of scrap cutter of blanking die, to reduce during scrap cutter cut-out waste material
Damage to covering edge.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Refer to the punch-pin of the scrap cutter of the blanking die that Fig. 1 and Fig. 2, Fig. 1 are provided for the utility model embodiment
Structural representation；The scrap cutter of the blanking die that Fig. 2 is provided for the utility model embodiment except the structure of punch-pin outer portion
Schematic diagram.
The utility model discloses a kind of scrap cutter of blanking die, including punch-pin 1, cavity plate, sliding seat 2, die shoe
3rd, die-pin, cylinder 7, fixed cover 8, upper junction plate, lower connecting plate, the first compression spring and the first spring installing plate 10.
Punch-pin 1 is connected by die shank with upper bolster, and punch-pin 1 is moved together with die shank and upper bolster, and the lower end of punch-pin 1 sets
It is equipped with core rod, core rod is used to controlling scrap cutter to the depth of cut of waste material.
Cavity plate coordinates with punch-pin 1, and the die cavity coordinated with core rod is provided with cavity plate, and core rod is stretched into the die cavity of cavity plate.
Sliding seat 2 is connected with cavity plate lower end, is formed in an entirety, sliding seat 2 and is provided with what is opened up along its axis direction
Cavity, cavity is coaxially arranged with the die cavity of cavity plate, and punch-pin 1 offsets with the end face of cavity plate, and punch-pin 1 applies downward pressure to cavity plate
Power, sliding seat 2 and cavity plate are moved downward simultaneously, and after punching terminates, sliding seat 2 and cavity plate rise simultaneously.
Die shoe 3 is set in the outer wall of sliding seat 2, and die shoe 3 coordinates with the gap of sliding seat 2, and is provided with die shoe 3
For the guide rail swung for sliding seat 2, the swaying direction of sliding seat 2 is up and down motion and edge along the axis direction of die shoe 3
The horizontal movement of the radial direction of die shoe 3, cutting of the upper cutter of punch-pin 1 in four direction is realized.
Die-pin can be slided along the cavity of the die cavity of cavity plate and sliding seat 2, and die-pin includes the die cavity with cavity plate
The second die-pin 5 that the first die-pin 4 and the cavity top inwall of sliding seat 2 that inwall coordinates coordinate and recessed with second
3rd die-pin 6 of the connection of mould push rod 5.
Fixed cover 8 is arranged on the lower end of sliding seat 2, and the middle setting of fixed cover 8 has cavity, the first pressure is provided with cavity
Contracting spring 9, the upper end of the first compression spring 9 is provided with upper junction plate, and lower end is provided with lower connecting plate, upper junction plate, the first pressure
Contracting spring 9 is fixedly connected with lower connecting plate three, and form a whole structure, the synchronous axis oscilaltion along fixed cover 8.
Fixed cover 8 serves fixed and guide effect to upper junction plate, the first compression spring 9 and lower connecting plate.
First spring installing plate 10 is arranged on the lower end of fixed cover 8, for fixed cover 8 and positioned at the top of fixed cover 8
Device is played a supporting role.
The piston rod of cylinder 7 is connected through the first spring installing plate 10 with lower connecting plate, and cylinder 7 drives upper junction plate, the
One compression spring 9 and the synchronous axis oscilaltion along fixed cover 8 of lower connecting plate.
When the scrap cutter of blanking die works, product is placed on first die-pin the first die-pin 4 it is upper
End face, cylinder 7 pulls lower connecting plate to move downward first time falling head, upper junction plate, the first compression spring 9 and lower connecting plate
Together along the inwall slide downward first time falling head of fixed cover 8, die-pin is under gravity along cavity plate
Die cavity moves downward first time falling head, and product declines first time falling head with die-pin together, then the band of punch-pin 1
Moving-mould-core declines, and core rod continues to be pressed downward die-pin motion, until the lower surface of punch-pin 1 offsets with the upper surface of cavity plate, it is convex
Mould 1 applies downward pressure to cavity plate, and cavity plate promotes sliding seat 2 that the punching realized to waste material is moved along the guide rail of die shoe 3.
Because die-pin has driven product to have dropped first time falling head during punching, in punching, die-pin need to only decline again
Second falling head, first time falling head is the height of core rod with second falling head sum.In the useless of blanking die
When material cutting knife is punched, product only needs to decline second falling head, and after the completion of punching, die-pin is first
Snap-off-distance under the effect of compression spring restoring force is also second distance of falling head, relative to cavity plate top in the prior art
Snap-off-distance of the bar under the effect of the first compression spring restoring force shortens, and the restoring force that the first compression spring is provided also accordingly subtracts
It is small, so as to reduce the damage caused to covering edge.
The scrap cutter of the blanking die that this programme is provided also includes：Second be arranged in parallel with the first spring installing plate 10
Spring installing plate 11, is provided with the second compression spring 12 between the first spring installing plate 10 and second spring installing plate 11.
First spring installing plate 10 and second spring installing plate 11 are that the second compression spring 12 provides installation foundation, punching
When, the downward punching press of punch-pin 1, cavity plate and sliding seat 2 are moved downward, and promote fixed cover 8 to move downward, and now fixed cover 8 promotes the
One spring installing plate 10 moves downward the second compression spring 12 of extruding, weakens sliding seat 2 to the impact force of fixed cover 8, plays guarantor
The effect of the scrap cutter of shield punching grinding tool.
Space between first spring installing plate 10 and second spring installing plate 11 is cylinder 7 there is provided installation foundation.
When not cutting, the first die-pin 4 of die-pin is located in the die cavity of cavity plate, and the first die-pin 4 is upper
End face is concordant with the die cavity upper surface of cavity plate, and product is directly placed at the upper surface of the first die-pin 4；
When preparation cuts, cylinder 7 drives upper junction plate to move downward predeterminable range, and die-pin declines under gravity
Predeterminable range, names the predeterminable range for first time falling head herein, and now the core rod of punch-pin 1 does not stretch into the mould of cavity plate also
In chamber, and first time falling head is less than and cuts height；
During cutting, core rod is contacted with product, promotes die-pin to continue to drop to depth of cut, now die-pin
Dropping distance be named as second falling head, first time falling head and second falling head sum are depth of cut,
That is the height of core rod；
After core rod promotes die-pin to drop to depth of cut, the lower surface of punch-pin 1 contacts with the upper surface of cavity plate, punch-pin
1 promotion cavity plate and sliding seat 2 are moved downwardly together, and sliding seat 2 is swung along the guide rail of die shoe 3, are realized to product
Cut.
Die-pin declines first time falling head first, and now the first compression spring 9 is not compressed, and die-pin is in core rod
Promotion under decline second falling head, now the first compression spring 9 compress second distance of falling head.
After the completion of cutting, the distance of die-pin only second falling head of resilience, due to compression stress and the compression of spring
Distance is directly proportional, and in depth of cut under second falling head is obvious in this programme, the compression stress of the first compression spring 9 is also just bright
It is aobvious to reduce, so that the power being applied on product during die-pin second falling head of resilience is reduced to a certain extent,
Also power of the product collision in cavity plate mould intracavity wall is just reduced, such that it is able to effectively reduce the damage to covering.
After the completion of cutting, cylinder 7 promotes lower connecting plate motion, and lower connecting plate promotes the first compression spring 9 and upper junction plate
Motion upwards, upper junction plate promotes die-pin to rise to the upper surface of cavity plate, and now product is pushed to also with die-pin
The upper surface of cavity plate, the motive force that cylinder 7 is provided is a stable power, and product will not be made to be beated in the die cavity of cavity plate, from
And reduce further the damage to covering.
It is provided with along the mounting hole of its axis direction in punch-pin 1, is provided with mounting hole cavity plate is hit for buffering punch-pin 1
The thimble 13 of power is hit, is first that thimble 13 connects with the upper surface of cavity plate when the lower surface of punch-pin 1 contacts with the upper surface of cavity plate
Touch, can effectively slow down the impact force between punch-pin 1 and cavity plate, play a part of to protect cutting mould.
The number of mounting hole is four, and the number of thimble 13 is four, and thimble 13 is symmetrical in the axis both sides of core rod, real
Now to effective dispersion of impact force.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (4)
1. a kind of scrap cutter of blanking die, it is characterised in that including：
Punch-pin (1), the punch-pin (1) is connected by die shank with upper bolster, and the lower end of the punch-pin (1) is provided with core rod；
The cavity plate coordinated with the punch-pin (1), is provided with the die cavity coordinated with the core rod on the cavity plate；
The sliding seat (2) being connected with the cavity plate lower end, the sky opened up along its axis direction is provided with the sliding seat (2)
Chamber；
The die shoe (3) of the sliding seat (2) outer wall is set in, the die shoe (3) coordinates with the sliding seat (2) gap,
And the guide rail for being swung for the sliding seat (2), the swaying direction of the sliding seat (2) are provided with the die shoe (3)
It is the level fortune of the up and down motion along the axis direction of the die shoe (3) and the radial direction along the die shoe (3)
It is dynamic；
The die-pin that can be slided along the cavity of the die cavity of the cavity plate and the sliding seat (2), the die-pin includes
What the first die-pin (4) and the cavity top inwall of the sliding seat (2) coordinated with the mould intracavity wall of the cavity plate coordinated
Second die-pin (5) and the 3rd die-pin (6) being connected with second die-pin (5)；
Positioned at the fixed cover (8) of the sliding seat (2) lower end, the first compression spring (9), institute are provided with the fixed cover (8)
State the first compression spring (9) upper end and be provided with upper junction plate, lower end is provided with lower connecting plate, the upper junction plate and the described 3rd
Die-pin (6) lower end is connected, and the upper junction plate and the lower connecting plate can be slided along the inwall of the fixed cover (8)
It is dynamic；
The fixed cover (8) lower end is arranged on for supporting the first spring installing plate (10) of the fixed cover (8)；
Cylinder (7), the piston rod of the cylinder (7) is connected through the first spring installing plate (10) with the lower connecting plate.
2. the scrap cutter of blanking die according to claim 1, it is characterised in that also include：
The second spring installing plate (11) being arranged in parallel with the first spring installing plate (10), the first spring installing plate
(10) the second compression spring (12) is provided with and the second spring installing plate (11) between.
3. the scrap cutter of blanking die according to claim 1, it is characterised in that is provided with edge in the punch-pin (1)
The mounting hole of its axis direction, is provided with the top for buffering the punch-pin (1) to the cavity plate impact in the mounting hole
Pin (13).
4. the scrap cutter of blanking die according to claim 3, it is characterised in that the number of the mounting hole is four
It is individual, and the number of the thimble (13) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621103750.2U CN206241026U (en) | 2016-09-30 | 2016-09-30 | A kind of scrap cutter of blanking die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621103750.2U CN206241026U (en) | 2016-09-30 | 2016-09-30 | A kind of scrap cutter of blanking die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206241026U true CN206241026U (en) | 2017-06-13 |
Family
ID=58995744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621103750.2U Withdrawn - After Issue CN206241026U (en) | 2016-09-30 | 2016-09-30 | A kind of scrap cutter of blanking die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206241026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623589A (en) * | 2016-09-30 | 2017-05-10 | 东莞市骏信机电科技有限公司 | Waste cutter for blanking mould |
-
2016
- 2016-09-30 CN CN201621103750.2U patent/CN206241026U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623589A (en) * | 2016-09-30 | 2017-05-10 | 东莞市骏信机电科技有限公司 | Waste cutter for blanking mould |
| CN106623589B (en) * | 2016-09-30 | 2018-06-19 | 东莞市骏信机电科技有限公司 | A kind of scrap cutter of blanking die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170613 Effective date of abandoning: 20180619 |
|
| AV01 | Patent right actively abandoned |