CN106734688B - A kind of drawing material structure of continuous progressive die - Google Patents
A kind of drawing material structure of continuous progressive die Download PDFInfo
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- CN106734688B CN106734688B CN201710071085.6A CN201710071085A CN106734688B CN 106734688 B CN106734688 B CN 106734688B CN 201710071085 A CN201710071085 A CN 201710071085A CN 106734688 B CN106734688 B CN 106734688B
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- spring
- die holder
- lift block
- drawing material
- pin
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Classifications
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- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/06—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by positive or negative engaging parts co-operating with corresponding parts of the sheet or the like to be processed, e.g. carrier bolts or grooved section in the carriers
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
A kind of drawing material structure of continuous progressive die, including material strip, lower die and upper mold；It is characterized in that：Drawing material hole is offered on the leading edge of the material strip both sides；It is provided with lift block on the lower die holder；On lift block a transmission channel is offered corresponding to material strip；Lift block is equipped with a limited step, which is arranged corresponding to the drawing material pin；The upper surface of the limited step between transmission channel vertical range and the step pitch of continuous progressive die match；Upper take off is connected between plate and upper die holder by third spring；The upper die holder is equipped with one and draws material pin, draws and is connected by second spring between material pin and upper die holder, material pin is drawn to be located at the front of lower template；Top on the upper de- plate corresponding to lift block offers evacuation groove；In the transmission direction of material strip, the lift block is located between lower template and drawing material pin；The elastic force of the third spring is more than the elastic force of the first spring, and the elastic force of the first spring is more than the elastic force of second spring.
Description
Technical field
The present invention relates to stamping area more particularly to a kind of drawing material structures of continuous progressive die.
Background technology
Continuous progressive die is made of multiple stations, and each station is associated in order completes different processing, in the primary of punching machine
A series of different punch process are completed in stroke.After one stroke is completed, by punch press feeder according to a fixed step
Away from material strip is moved forward, multiple processes can be completed on a secondary mold in this way.But its intensity when material strip is extremely thin
Deficiency has certain distance between feeder and mold, the material strip meeting sagging deflections between feeder and mold, feeder can not
Smoothly material strip is sent on mold, needless to say material strip is made to be moved forward according to a fixed step pitch, has seriously affected punching press
Efficiency and quality.
Invention content
The purpose of the present invention is to provide a kind of drawing material structures of continuous progressive die.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of drawing material structure of continuous progressive die, including material
Band, lower die and upper mold, lower die include lower die holder and lower template, and lower template is set to above lower die holder, and upper mold includes upper die holder and upper
De- plate, upper de- plate are set to below upper die holder；Its innovation is：
Drawing material hole is offered on the leading edge of the material strip both sides, and material hole is drawn to be spaced apart on the length direction of material strip,
It is adjacent that the distance between material hole and the step pitch of the continuous progressive die is drawn to match；
It is provided with lift block on the lower die holder, is connected by the first spring between lift block and lower die holder, the first spring
It acts on vertical direction；
The lift block is a block member, offers a transmission channel corresponding to material strip on lift block, transmission channel
Height be more than material strip thickness, when the first spring in the raw when, the transmission channel is located at the upper of lower template upper surface
Side；Lift block is equipped with a limited step, which is arranged corresponding to the drawing material pin, corresponds on limited step and draws material
The head of needle offers avoid holes；The upper surface of the limited step is to vertical range and the continuous progressive die between transmission channel
Step pitch match；
Arranged for interval in the vertical direction between the upper de- plate and upper die holder, and pass through between upper de- plate and upper die holder
Three springs connect, and third spring acts on vertical direction；
The upper die holder is equipped with one and draws material pin, draws and is connected by second spring between material pin and upper die holder, second spring
It acts on vertical direction, in the transmission direction of material strip, material pin is drawn to be located at the front of lower template；
Top on the upper de- plate corresponding to lift block offers evacuation groove, avoids the depth of groove and the buoyance lift
Transmission channel to the distance between lift block upper surface matches on block；
In the transmission direction of material strip, the lift block is located between lower template and drawing material pin；
The elastic force of the third spring is more than the elastic force of the first spring, and the elastic force of the first spring is more than the bullet of second spring
Power.
Related content in above-mentioned technical proposal is explained as follows：
1, in said program, " leading edge " refers to that material strip transmission direction both sides are not stamped, and is only used for transmission
Side；" front " in described " in the transmission direction of material strip, material pin being drawn to be located at the front of lower template " refers to the biography of material strip
Direction pointed by defeated direction；" adjacent that the distance between material hole and the step pitch of the continuous progressive die the is drawn to match " work
Be when one draw material pin stretch into one draw material hole in by material strip draw move and complete a punching press, be moved back into die sinking shape in upper mold
It is next to draw material hole that reach the underface for drawing material pin after the initial position of state, in order to draw material pin to again go into drawing
Expect in hole.
2, in said program, the bending part on the lift block corresponding to material strip is provided with the angles R, and the angles R contribute to material strip
Rebound is expected in order to be drawn again.
3, in said program, it is provided with guide pad in the upper mold, corresponds on guide pad and material pin is drawn to offer pilot hole,
Material pin is drawn to be arranged in pilot hole.
4, in said program, there is the drawing material pin ontology and syringe needle, the external dimensions of syringe needle to be less than this in the axial direction
The external dimensions of body, the external dimensions of ontology are more than the size for drawing material hole, and syringe needle is biased to body end and is set close to lift block side
It sets.
5, in said program, lift block is provided with limited block on the lower die holder, the effect of limited block is to limit
The Bottom Runby of lift block processed draws material pin to be exactly completed the drawing material of a step pitch, then not if lift block is come downwards on lower die holder
Limited block is needed also to can reach same effect.
6, in said program, it is provided with guide frame between the lift block and limited block, which includes being oriented to
Column and pilot hole, guide post are set to the lower section of lift block, and pilot hole is opened on limited block, and guide post is arranged in pilot hole；
The lower end of the guide post is connect by the first spring with lower die holder；
Correspond to the first spring on the lower die holder and guide post offers assembling groove.
7, in said program, an evacuation inclined-plane is offered corresponding to material strip on the limited step.
8, in said program, in the transmission direction of material strip, there is a gap between drawing material pin and the lift block, between being somebody's turn to do
Gap is more than the thickness of material strip, and product is dead not by folding when its object is to ensure to complete to draw material upper and lower mould to separate, and has certain resilience,
Material hole will be drawn to be placed in after rebound to draw immediately below material pin, can be drawn and be expected again.
9, in said program, drawing material hole is rectangular through-hole.
10, in said program, the inside dimension for drawing material hole is more than the size for drawing material pin head, facilitates and material pin is drawn to enter
It draws in material hole, theory pull-up material pin is only needed with one step pitch of material strip downlink, but due to drawing the inside dimension in material hole
More than the size for drawing material pin head, could be reached so practical pull-up material pin need to be slightly larger than a step pitch with the stroke of material strip downlink
Expect effect to drawing so that a material strip, material strip one step pitch of equal onwards transmission is often drawn to reach next station.
Operation principle and advantage of the present invention are：Under die opening state, the first spring, second spring and third spring are in certainly
Right state, material strip are arranged in the transmission channel of lift block, and transmission channel is located above lower template, at this point, material strip is suspended in
Between mould and lower die；Then, upper mold pushes, and draws the head of material pin to penetrate in drawing material hole, upper mold continues to push, and draws material pin with material
Band downlink, until drawing material pin touches the limited step of lift block, upper mold continues to push, and material pin is drawn to be pressed onto limiting stand with material strip
On rank, primary drawing material action is completed；Upper mold continues to push, and since the elastic force of the first spring is more than the elastic force of second spring, draws material
Needle is limited step-shaped top and returns upper mold, and upper de- plate is contacted with material strip；Upper mold continues to push, since the elastic force of third spring is more than first
The elastic force of spring, no longer downlink, mold is closed after lift block is forced on lower die holder or limited block；Upper mold continues to push, and completes
Punching press acts.The present invention draws material smooth, and draws one step pitch of material every time, accurate, efficient, is skillfully constructed, practical, is suitable for
It promotes.
Description of the drawings
Fig. 1 is material-strap structure schematic diagram of the embodiment of the present invention；
Fig. 2 is lift block structural schematic diagram of the embodiment of the present invention；
Fig. 3 is die opening state status diagram of the embodiment of the present invention；
Fig. 4 is that the embodiment of the present invention draws material pin head to enter status diagram in drawing material hole；
Fig. 5 is that the embodiment of the present invention draws material pin to touch limited step status diagram；
Fig. 6 is to take off plate in the embodiment of the present invention to touch material strip status diagram；
Fig. 7 is mold closing status diagram of the embodiment of the present invention；
Fig. 8 is the partial enlarged view of Fig. 7；
Fig. 9 is punching press view of the embodiment of the present invention.
In the figures above：1, material strip；11, leading edge；12, material hole is drawn；13, guide hole；21, upper die holder；22, upper de- plate；
221, groove is avoided；23, third spring；24, material pin is drawn；25, second spring；26, guide pad；27, it carries on the back and takes off plate；28, upper clamp plate；
29, upper padding plate；31, lower die holder；32, lower template；33, lower bolster；34, lift block；341, limited step；342, inclined-plane is avoided；
343, transmission channel；35, the first spring；36, guide post；37, limited block.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments：
Embodiment：
Shown in Fig. 1 ~ Fig. 9, a kind of drawing material structure of continuous progressive die, including material strip 1, lower die and upper mold, lower die packet
Lower die holder 31 and lower template 32 are included, lower template 32 is set to 31 top of lower die holder, is provided with down between lower template 32 and lower die holder 31
Backing plate 33, upper mold include upper die holder, and 2 and upper de- plate 22, upper de- plate 22 are set to 21 lower section of upper die holder, upper die holder 21 and upper de- plate 22
Between be disposed with upper padding plate 29, upper clamp plate 28 and the back of the body from top to bottom and take off plate 27.
Drawing material hole 12 is offered on the leading edge 11 of 1 both sides of the material strip, is drawn between expecting hole 12 on the length direction of material strip 1
It is adjacent that the distance between material hole 12 and the step pitch of the continuous progressive die is drawn to match every distribution, it is further opened on leading edge 11
Guide hole 13, guide hole 13 coordinate with the guiding transmission structure on mold, and guiding material strip 1 moves.
It is provided with lift block 34 on the lower die holder 31, is connected by the first spring 35 between lift block 34 and lower die holder 31
It connects, the first spring 35 acts on vertical direction.
The lift block 34 is a block member, offers a transmission channel 343 corresponding to material strip 1 on lift block 34, biography
The height in defeated channel 343 is slightly larger than the thickness of material strip 1 so that material strip 1 can be passed through from transmission channel 343, and not allowed
Easily be hit by a bullet and take off from transmission channel 343, when the first spring 35 in the raw when, the transmission channel 343 is located at lower die
The top of 32 upper surface of plate；Lift block 34 is equipped with a limited step 341, which corresponds to the drawing material pin 24
It is arranged, corresponds on limited step 341 and the head of material pin 24 is drawn to offer avoid holes；The upper surface of the limited step 341 is arrived
Vertical range and the step pitch of continuous progressive die between transmission channel 343 match.
Arranged for interval in the vertical direction between the upper de- plate 22 and upper die holder 21, and upper de- plate 22 and upper die holder 21 it
Between connected by third spring 23, third spring 23 acts on vertical direction.
The upper die holder 21 is equipped with one and draws material pin 24, draws and is connected by second spring 25 between material pin 24 and upper die holder 21
It connects, second spring 25 acts on vertical direction, in the transmission direction of material strip 1, material pin 24 is drawn to be located at the front of lower template 32；
Evacuation groove 221 is offered corresponding to the top of lift block 34 on the upper de- plate 22, avoids the depth of groove 221
The distance between transmission channel 343 on the lift block 34 to 34 upper surface of lift block matches.
In the transmission direction of material strip 1, the lift block 34 is located between lower template 32 and drawing material pin 24.
The elastic force of the third spring 23 is more than the elastic force of the first spring 35, and the elastic force of the first spring 35 is more than second spring
25 elastic force.
Bending part on the lift block 34 corresponding to material strip 1 is provided with the angles R, and the angles R contribute to the rebound of material strip 1, so as to
Expect in being drawn again.
It is provided with guide pad 26 in the upper mold, corresponds on guide pad 26 and material pin 24 is drawn to offer pilot hole, draw material pin
24 are arranged in pilot hole.
There is the drawing material pin 24 ontology and syringe needle, the external dimensions of syringe needle to be less than the external ruler of ontology in the axial direction
Very little, the external dimensions of ontology is more than the size for drawing material hole 12, and syringe needle is biased to body end and is arranged close to 34 side of lift block.
Lift block 34 is provided with limited block 37 on the lower die holder 31, the effect of limited block 37 is to limit buoyance lift
The Bottom Runby of block 34 draws material pin 24 to be exactly completed the drawing material of a step pitch, then if lift block 34 is come downwards on lower die holder 31
It does not need limited block 37 and can reach same effect yet.
It is provided with guide frame between the lift block 34 and limited block 37, which includes guide post 36 and be oriented to
Hole, guide post 36 are set to the lower section of lift block 34, and pilot hole is opened on limited block 37, and guide post 36 is arranged in pilot hole.
The lower end of the guide post 36 is connect by the first spring 35 with lower die holder 31；
Correspond to the first spring 35 on the lower die holder 31 and guide post 36 offers assembling groove.
On the limited step 341 an evacuation inclined-plane 342 is offered corresponding to material strip 1.
In the transmission direction of material strip 1, there is a gap, which is slightly larger than between the drawing material pin 24 and lift block 34
The thickness of material strip 1, product is dead not by folding when its object is to ensure to complete to draw material upper and lower mould to separate, and has certain resilience, springs back
Material hole 12 will be drawn to be placed in afterwards to draw immediately below material pin 24, can be drawn and be expected again.
Drawing material hole 12 is rectangular through-hole.
It is described that the inside dimension in material hole 12 is drawn to be more than the size for drawing material pin 24 head, theory pull-up material pin 24 need with
Material strip 1 downlink, one step pitch, but due to drawing the inside dimension in material hole 12 to be more than the size on 24 head of drawing material pin, so real
Border pulls up material pin 24 need to can be only achieved drawing material effect with the stroke of 1 downlink of material strip slightly larger than a step pitch so that often draw primary
Material strip 1, material strip 1 equal onwards transmission, one step pitch, reaches next station.
Shown in Figure 3, under die opening state, the first spring 35, second spring 25 and third spring 23 are in nature shape
State, material strip 1 are arranged in the transmission channel 343 of lift block 34, and transmission channel 343 is located at 32 top of lower template, at this point, material strip 1
It is suspended between upper die and lower die；Then, shown in Figure 4, upper mold pushes, and the head of material pin 24 is drawn to penetrate in drawing material hole 12,
Shown in Figure 5, upper mold continues to push, and draws material pin 24 with 1 downlink of material strip, until drawing material pin 24 touches the limit of lift block 34
Position step 341, shown in Figure 6, upper mold continues to push, and material pin 24 is drawn to be pressed onto on limited step 341 with material strip 1, completes one
Secondary drawing material action；Shown in Figure 7, upper mold continues to push, since the elastic force of the first spring 35 is more than the elastic force of second spring 25,
It draws material pin 24 to be limited step 341 and pushes up back upper mold, upper de- plate 22 is contacted with material strip 1；Shown in Figure 8, upper mold continues to push, by
In third spring 23 elastic force be more than the first spring 35 elastic force, lift block 34 be forced on lower die holder 31 or limited block 37 after not
Downlink again, mold are closed；Shown in Figure 9, upper mold continues to push, and completes punching press action.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of drawing material structure of continuous progressive die, including material strip, lower die and upper mold, lower die includes lower die holder and lower template, under
Template is set to above lower die holder, and upper mold includes upper die holder and upper de- plate, and upper de- plate is set to below upper die holder；It is characterized in that：
Drawing material hole is offered on the leading edge of the material strip both sides, and material hole is drawn to be spaced apart on the length direction of material strip, it is adjacent
The distance between material hole and the step pitch of the continuous progressive die is drawn to match；
The upper die holder is equipped with one and draws material pin, draws and is connected by second spring between material pin and upper die holder, second spring effect
In on vertical direction, in the transmission direction of material strip, material pin is drawn to be located at the front of lower template；
It is provided with lift block on the lower die holder, is connected by the first spring between lift block and lower die holder, the effect of the first spring
In on vertical direction；
The lift block is a block member, offers a transmission channel, the height of transmission channel corresponding to material strip on lift block
More than the thickness of material strip, when the first spring in the raw when, the transmission channel is located at the top of lower template upper surface；It is floating
It rises block and is equipped with a limited step, which is arranged corresponding to the drawing material pin, corresponds on limited step and draws material pin
Head offers avoid holes；Step of the upper surface of the limited step to vertical range and continuous progressive die between transmission channel
Away from matching；
Arranged for interval in the vertical direction between the upper de- plate and upper die holder, and pass through third bullet between upper de- plate and upper die holder
Spring connects, and third spring acts on vertical direction；
Top on the upper de- plate corresponding to lift block offers evacuation groove, avoids on depth and the lift block of groove
Transmission channel to the distance between lift block upper surface matches；
In the transmission direction of material strip, the lift block is located between lower template and drawing material pin；
The elastic force of the third spring is more than the elastic force of the first spring, and the elastic force of the first spring is more than the elastic force of second spring.
2. the drawing material structure of continuous progressive die according to claim 1, it is characterised in that：Correspond to material on the lift block
The bending part of band is provided with the angles R.
3. the drawing material structure of continuous progressive die according to claim 1, it is characterised in that：Guiding is provided in the upper mold
Block corresponds on guide pad and material pin is drawn to offer pilot hole, material pin is drawn to be arranged in pilot hole.
4. the drawing material structure of continuous progressive die according to claim 1, it is characterised in that：The drawing material pin has in the axial direction
There are an ontology and syringe needle, the external dimensions of syringe needle to be less than the external dimensions of ontology, the external dimensions of ontology is more than the ruler for drawing material hole
Very little, syringe needle is biased to body end and is arranged close to lift block side.
5. the drawing material structure of continuous progressive die according to claim 1, it is characterised in that：Correspond on the lower die holder floating
It rises block and is provided with limited block.
6. the drawing material structure of continuous progressive die according to claim 5, it is characterised in that：The lift block and limited block it
Between be provided with guide frame, which includes guide post and pilot hole, and guide post is set to the lower section of lift block, and pilot hole is opened
On limited block, guide post is arranged in pilot hole；
The lower end of the guide post is connect by the first spring with lower die holder；
Correspond to the first spring on the lower die holder and guide post offers assembling groove.
7. the drawing material structure of continuous progressive die according to claim 1, it is characterised in that：Correspond on the limited step
Material strip offers an evacuation inclined-plane.
8. the drawing material structure of continuous progressive die according to claim 1, it is characterised in that：In the transmission direction of material strip,
There is a gap, the gap to be more than the thickness of material strip between drawing material pin and the lift block.
9. the drawing material structure of continuous progressive die according to claim 1, it is characterised in that：The drawing material hole is logical for rectangle
Hole.
10. the drawing material structure of continuous progressive die according to claim 9, it is characterised in that：The inside ruler for drawing material hole
It is very little to be more than the size for drawing material pin head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071085.6A CN106734688B (en) | 2017-02-09 | 2017-02-09 | A kind of drawing material structure of continuous progressive die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071085.6A CN106734688B (en) | 2017-02-09 | 2017-02-09 | A kind of drawing material structure of continuous progressive die |
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| Publication Number | Publication Date |
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| CN106734688A CN106734688A (en) | 2017-05-31 |
| CN106734688B true CN106734688B (en) | 2018-08-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521608A (en) * | 2012-07-06 | 2014-01-22 | 昆山德盛精密模具有限公司 | Multi-station high-precision cold stamping die for in-mold riveting of special ultra-thin materials |
| CN204018517U (en) * | 2014-06-13 | 2014-12-17 | 日佳力机电工业(昆山)有限公司 | A kind of outer automatic hook materials device of mould of punching continuous die |
| EP3031753B1 (en) * | 2014-12-10 | 2017-07-19 | Gefin S.r.l. | Sheet material handling group and spring therefor |
| CN105057487B (en) * | 2015-08-13 | 2019-07-05 | 歌尔股份有限公司 | Hardware dies automatic charging equipment and method |
| CN205763290U (en) * | 2016-06-01 | 2016-12-07 | 东莞竹田金属制品有限公司 | A kind of diel of elongated handware |
| CN206483922U (en) * | 2017-02-09 | 2017-09-12 | 金德精密配件（苏州）有限公司 | A kind of drawing material structure of continuous progressive die |
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