CN108994140A - Drawing mechanism - Google Patents
Drawing mechanism Download PDFInfo
- Publication number
- CN108994140A CN108994140A CN201811007646.7A CN201811007646A CN108994140A CN 108994140 A CN108994140 A CN 108994140A CN 201811007646 A CN201811007646 A CN 201811007646A CN 108994140 A CN108994140 A CN 108994140A
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- CN
- China
- Prior art keywords
- component
- circle
- area
- upper die
- fillet
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 124
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 238000007493 shaping process Methods 0.000 claims abstract description 13
- 230000007704 transition Effects 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 14
- 239000000047 product Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
-
- 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
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a kind of drawing mechanisms, it includes upper die component, lower mold assemblies and drawing portion, each drawing portion includes the upper drawing component and lower drawing component being respectively arranged in upper die component and lower mold assemblies, each upper drawing component includes the upper mold material removing mechanism in upper die component and is sheathed on upper mold material removing mechanism and is fixed on the drawing circle in upper die component, drawing circle inner hole has the drawing fillet bonding pad of arc-shaped transition, its inner sidewall is successively the shaping area of straight-tube shape upwards by drawing fillet bonding pad, the de- material fillet area that arc extends outward, diameter is greater than the straight wall area of shaping area diameter, the de- material mandril fitting area that the first fillet bonding pad and phase outer arcuate that arc extends inwardly extend, both it ensure that better Deep-drawing property played, in turn simplify the processing technology of material discharging rod, increase the drawing circle service life, And keep de- material process more stable, it is suitble to be widely used to promote.
Description
Technical field
The present invention relates to pressure riveting device, in particular to a kind of drawing mechanism.
Background technique
In stamping area, continuous deep drawing mold is common mould-type, and wherein drawing circle is essential drawing parts,
The shape for how reasonably designing drawing circle all has a major impact drawing mechanism, drawing circle service life and stability, traditional drawing
A cone angle is generally connect behind circle forming area, this drawing circle is unfavorable for the performance of material processability and the stabilization of de- material
Property.Therefore, we devise a kind of new drawing coil structures and corresponding drawing mechanism.
Summary of the invention
The object of the present invention is to provide a kind of processing technology for simplifying material discharging rod, increase the drawing circle service life, and makes to take off
Material process more stably drawing mechanism.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of drawing mechanism, be used for by Sheet drawing at
Product with cylindrical groove, groove are in the form of a column, with certain depth and internal diameter, the drawing mechanism include upper die component,
Lower mold assemblies and the drawing portion in the upper membrane module and lower mold assemblies, each drawing portion include being respectively arranged on institute
The upper drawing component and lower drawing component in upper die component and lower mold assemblies are stated, each upper drawing component includes set on described
It upper mold material removing mechanism in upper die component and is sheathed on the upper mold material removing mechanism and is fixed in the upper die component
Drawing circle, between drawing circle lower end surface and its inner sidewall with arc-shaped transition drawing fillet bonding pad, inner sidewall by
Drawing fillet bonding pad be successively upwards straight-tube shape shaping area, outward arc extend de- material fillet area, diameter be greater than at
The de- material mandril that the first fillet bonding pad and phase outer arcuate that the straight wall area of type area diameter, inwardly arc extend extend is matched
Close area；The lower drawing component includes the lower die material removing mechanism that at least there is part to be located in the lower mold assemblies, is arranged in institute
State the drawing formed punch of lower die material removing mechanism.
Optimization, the upper mold material removing mechanism includes the upper mold de- material spring being fixed in the upper die component, upper downslide
The dynamic upper mold spring transfer block for being connected in the upper die component and being mutually fixedly connected with the upper mold de- material spring is fixed on
Material discharging rod below the upper mold spring transfer block and in the upper die component.
Optimization, the upper drawing component further includes being fixed in the upper die component for the drawing circle to be fixed on
Drawing circle fixed block, drawing circle fixing bolt in the upper die component.
Further, the lower die material removing mechanism includes material discharging rod, the material discharging rod and the de- material mandril fitting area mistake
Degree cooperation.
Due to the above technical solutions, the present invention has the following advantages over the prior art: the present invention passes through multiple tracks
The basic structure in secondary drawing portion is similar to traditional drawing mechanism, and drawing portion mainly includes de- material spring, material discharging rod, drawing circle, takes off
Expect that there is the drawing fillet of arc-shaped transition to connect for other supplementary structure parts such as block, drawing formed punch, mandril, this drawing circle inner hole
Area, inner sidewall is by the shaping area that drawing fillet bonding pad is successively straight-tube shape upwards, the de- material fillet that arc extends outward
Area, diameter are greater than the straight wall area of shaping area diameter, the first fillet bonding pad and phase outer arcuate that arc extends inwardly are prolonged
The de- material mandril fitting area stretched both ensure that better Deep-drawing property played, and in turn simplify the processing technology of material discharging rod, increased
The drawing circle service life, and keep de- material process more stable, it is suitble to be widely used to promote.
Detailed description of the invention
Attached drawing 1 is Drawing Die overall structure diagram；
Attached drawing 2 is the first drawing portion closed mode state structural schematic diagram；
Attached drawing 3 is the first drawing portion die opening state structural schematic diagram；
Attached drawing 4 is the second drawing portion closed mode state structural schematic diagram；
Attached drawing 5 is the second drawing portion die opening state structural schematic diagram；
Attached drawing 6 is third drawing portion closed mode state structural schematic diagram；
Attached drawing 7 is third drawing portion die opening state structural schematic diagram；
Attached drawing 8 is the 4th drawing portion closed mode state structural schematic diagram；
Attached drawing 9 is the 4th drawing portion die opening state structural schematic diagram；
Attached drawing 10 is the 5th drawing portion closed mode state structural schematic diagram；
Attached drawing 11 is the 5th drawing portion die opening state structural schematic diagram；
Attached drawing 12 is the 6th drawing portion closed mode state structural schematic diagram；
Attached drawing 13 is the 6th drawing portion die opening state structural schematic diagram；
Attached drawing 14 is novel drawing coil structures schematic diagram.
In the following drawings: 1, the first drawing portion；1-1, the first upper mold de- material spring；1-2, the first upper mold spring transfer block；
1-3, the first material discharging rod；1-4, the first drawing circle；1-5, the first drawing circle fixed block；1-6, the first drawing circle fixing bolt；1-
7, the first de- material block；1-8, the first de- material block limiting gasket；1-9, the first de- material block caging bolt；1-10, the first drawing formed punch；
1-11, the first drawing formed punch mounting blocks；1-12, the first cushion block；1-13, the first mandril；1-14, the first lower die spring transfer block；
1-15, the first lower die de- material spring；2, the second drawing portion；2-1, the second upper mold de- material spring；2-2, the switching of the second upper mold spring
Block；2-3, the second material discharging rod；2-4, the second drawing circle cushion block；2-5, the second drawing circle；2-6, the second drawing circle fixed block；2-7,
Second drawing circle fixing bolt；2-8, the second de- material block limiting gasket；2-9, the second de- material block caging bolt；2-10, second take off
Expect block；2-11, the second drawing formed punch；2-12, the second drawing formed punch mounting blocks；2-13, the second cushion block；2-14, the second mandril；2-
15, the second lower die spring transfer block；2-16, the second lower die de- material spring；3, third drawing portion；3-1, third upper mold de- material bullet
Spring；3-2, third upper mold spring transfer block；3-3, third material discharging rod；3-4, third drawing circle cushion block；3-5, third drawing circle；3-
5-1, drawing fillet area；3-5-2, shaping area；3-5-3, de- material fillet area；3-5-4, straight wall area；3-5-5, the connection of the first fillet
Area；3-5-6, de- material mandril fitting area；3-5-7, the second fillet bonding pad；3-6, third drawing circle fixed block；3-7, third are drawn
Deep circle fixing bolt；3-8, third de- material block limiting gasket；3-9, third de- material block caging bolt；3-10, third de- material block；3-
11, third drawing formed punch；3-12, third drawing formed punch mounting blocks；3-13, third cushion block；3-14, third mandril；3-15, third
Lower die spring transfer block；3-16, third lower die de- material spring；4, the 4th drawing portion；4-1, the 4th upper mold de- material spring；4-2,
Four upper mold spring transfer blocks；4-3, the 4th material discharging rod；4-4, the 4th drawing circle cushion block；4-5, the 4th drawing circle；4-6, the 4th draw
Deep circle fixed block；4-7, the 4th drawing circle fixing bolt；4-8, the 4th de- material block limiting gasket；4-9, the 4th de- material block limit spiral shell
Bolt；4-10, the 4th de- material block；4-11, the 4th drawing formed punch；4-12, the 4th drawing formed punch mounting blocks；4-13, the 4th cushion block；4-
14, the 4th mandril；4-15, the 4th lower die spring transfer block；4-16, the 4th lower die de- material spring；5, the 5th drawing portion；5-1,
Five upper mold de- material springs；5-2, the 5th upper mold spring transfer block；5-3, the 5th material discharging rod；5-4, the 5th drawing circle cushion block；5-5,
5th drawing circle；5-6, the 5th drawing circle fixed block；5-7, the 5th drawing circle fixing bolt；5-8, the 5th de- material block limit pad
Circle；5-9, the 5th de- material block caging bolt；5-10, the 5th de- material block；5-11, the 5th drawing formed punch；5-12, the 5th drawing formed punch
Mounting blocks；5-13, the 5th cushion block；5-14, the 5th mandril；5-15, the 5th lower die spring transfer block；5-16, the 5th lower die de- material
Spring；6, the 6th drawing portion；6-1, the 6th upper mold de- material spring；6-2, the 6th upper mold spring transfer block；6-3, the 6th material discharging rod；
6-4, the 6th drawing circle cushion block；6-5, the 6th drawing circle；6-6, the 6th drawing circle fixed block；The fixed spiral shell of 6-7, the 6th drawing circle
Bolt；6-8, the 6th de- material block limiting gasket；6-9, the 6th de- material block caging bolt；6-10, the 6th de- material block；6-11, the 6th draw
Deep-draw head；6-12, the 6th drawing formed punch mounting blocks；6-13, the 6th cushion block；6-14, the 6th mandril；6-15, the 6th lower die spring
Transfer block；6-16, the 6th lower die de- material spring；7, upper cover plate；8, upper die holder；9, upper padding plate；10, upper clamp plate；11, upper backboard；
12, stripper plate；13, material strip；14, lower template；15, lower bolster；16, lower backboard；17, lower die holder；18, support block；19, lower pallet.
Specific embodiment
The invention will be further described for example shown in reference to the accompanying drawing.
This drawing mechanism is used for Sheet drawing into the product with cylindrical groove, and groove is in the form of a column, and has a depthkeeping
Degree and internal diameter, the drawing mechanism include upper die component, lower mold assemblies and in the upper membrane module and lower mold assemblies
Drawing portion, each drawing portion include the upper drawing component being respectively arranged in the upper die component and lower mold assemblies and lower drawing
Component, each upper drawing component include the upper mold material removing mechanism in the upper die component and are sheathed on the upper mold
On material removing mechanism and the drawing circle that is fixed in the upper die component, there is arc between drawing circle lower end surface and its inner sidewall
The drawing fillet bonding pad of shape transition, inner sidewall by the shaping area that drawing fillet bonding pad is successively straight-tube shape upwards, outward
De- material fillet area, the diameter of side arc extension are greater than the straight wall area of shaping area diameter, the first fillet that arc extends inwardly connects
Connect the de- material mandril fitting area in area and the extension of phase outer arcuate；The lower drawing component includes at least having part positioned at described
Lower die material removing mechanism in lower mold assemblies, the drawing formed punch for being arranged in the lower die material removing mechanism.The upper mold material removing mechanism packet
Include the upper mold de- material spring being fixed in the upper die component, slide up and down be connected in the upper die component and with it is described on
Upper mold spring transfer block that mould de- material spring is mutually fixedly connected is fixed below the upper mold spring transfer block and is located on described
Material discharging rod in membrane module.The upper drawing component further includes being fixed in the upper die component for fixing the drawing circle
In drawing circle fixed block, drawing circle fixing bolt in the upper die component.The lower die material removing mechanism includes material discharging rod, described
Material discharging rod excessively cooperates with the de- material mandril fitting area.
Upper die component from top to bottom includes the upper cover plate being fixedly connected, upper die holder, upper padding plate, upper clamp plate, upper backboard, de- material
Plate.Lower mold assemblies from top to bottom include the lower template being fixedly connected, lower bolster, lower backboard, lower die holder, support block, lower pallet.
In the present embodiment, there are six drawing portions, respectively the first drawing portion, the second drawing portion, third drawing portion, the 4th
Drawing portion, the 5th drawing portion, the 6th drawing portion, the first drawing portion and other drawing portion differences are its tool, and there are two lower dies to take off
Material spring has simultaneously lacked deep circle cushion block, and the first drawing portion, the second drawing portion, third drawing portion, the 4th drawing portion, the 5th drawing
The difference in portion, the drawing circle in the 6th drawing portion, drawing formed punch and correlated parts is only gradually reduced in size, no longer sews state here,
Since every step intensification process is similar, drawing process is further described by taking third step as an example with reference to the accompanying drawing.
During punching production, upper mold downlink, stripper plate 12 under punching machine effect touch third de- material block 3-10 at first,
Since the intensity of de- material spring 3-1 in third is much larger than the intensity of third lower die de- material spring 3-16, third de- material block 3-10 quilt
It is pressed into lower template 14, while transmitting the force to third mandril 3-14 and third lower die spring transfer block 3-15, make third lower die
De- material spring 3-16 forced compression, third drawing formed punch 3-11 expose third de- material block 3-10, and with the downlink of upper mold, third is produced
Product 13-3 is inserted in third drawing formed punch 3-11, when stripper plate 12 is closed completely with material strip 13 and lower template 14, stripper plate 13
It is no longer moved with upper backboard 11 with respect to lower die, the third drawing circle 3-5 being fixed in upper clamp plate 10 continues to move downward and contact
Third product 13-3, drawing and forming start, and third product 13-3 sequentially enters drawing fillet area 3-5-1 and shaping area 3-5-2, together
When, third material discharging rod 3-3 contact third product 13-3 is simultaneously passed to pressure in third by third upper mold spring transfer block 3-2
Mould de- material spring 3-1, third upper mold de- material spring 3-1 are compressed and store elastic force.When upper mold is run to after bottom dead center, upper mold to
Upper movement, in the incipient stage, under the effect of de- material flat spring, stripper plate 12 is closed completely with material strip 13 and the holding of lower template 14,
Third upper mold de- material spring 3-1 discharges elastic force and pushes third material discharging rod 3-3 that product is released third drawing circle 3-5, needs herein
Illustrate, drawing fillet area 3-5-1, shaping area 3-5-2, de- material fillet area 3-5-3, straight is machined on third drawing circle 3-5
Wall area 3-5-4, the first fillet bonding pad 3-5-5, de- material mandril fitting area 3-5-6, the second fillet bonding pad 3-5-7, drawing circle
Angular region 3-5-1 and shaping area 3-5-2 is used for drawing and forming, and de- material fillet area 3-5-3 main function is conducive to de- material, while third
Material discharging rod 3-3 and de- material mandril fitting area 3-5-6 transition fit, product is not crooked during can be good at guarantee de- material, protects
Demonstrate,prove the stability of de- material.Subsequent third product 13-3 deviates from third drawing circle 3-5, with the continuation uplink of upper mold, stripper plate 12
Material strip 13 is left, third lower die de- material spring 3-16 starts to discharge elastic force promotion third mandril 3-14 uplink, and then pushes third
De- material block 3-10 uplink, the flange face contact of third de- material block 3-10 and third product 13-3 is by product from third drawing formed punch
Deviate from 3-11, drawing and forming terminates.
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 (4)
1. a kind of drawing mechanism is used for Sheet drawing into the product with cylindrical groove, groove is in the form of a column, and is had certain
Depth and internal diameter, the drawing mechanism include upper die component, lower mold assemblies and are set in the upper membrane module and lower mold assemblies
Drawing portion, each drawing portion includes upper drawing component and the drop-down being respectively arranged in the upper die component and lower mold assemblies
Deep component, it is characterised in that: each upper drawing component include upper mold material removing mechanism in the upper die component and
The drawing circle on the upper mold material removing mechanism and being fixed in the upper die component is sheathed on, in drawing circle lower end surface and its
With the drawing fillet bonding pad of arc-shaped transition between side wall, inner sidewall is successively straight-tube shape upwards by drawing fillet bonding pad
Shaping area, outward arc extend de- material fillet area, diameter be greater than shaping area diameter straight wall area, inwardly arc extend
The first fillet bonding pad and phase outer arcuate extend de- material mandril fitting area；The lower drawing component includes at least having
The drawing formed punch for being partially located at the lower die material removing mechanism in the lower mold assemblies, being arranged in the lower die material removing mechanism.
2. drawing mechanism according to claim 1, it is characterised in that: the upper mold material removing mechanism includes being fixed on described
Upper mold de- material spring in membrane module, slide up and down be connected in the upper die component and it is mutually solid with the upper mold de- material spring
Surely the upper mold spring transfer block that connects is fixed on the de- material below the upper mold spring transfer block and being located in the upper die component
Bar.
3. drawing mechanism according to claim 1, it is characterised in that: the upper drawing component further includes being fixed on described
Drawing circle fixed block, drawing circle fixing bolt in membrane module for being fixed on the drawing circle in the upper die component.
4. drawing mechanism according to claim 2, it is characterised in that: the lower die material removing mechanism includes material discharging rod, described
Material discharging rod excessively cooperates with the de- material mandril fitting area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007646.7A CN108994140B (en) | 2018-08-31 | 2018-08-31 | Deep drawing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007646.7A CN108994140B (en) | 2018-08-31 | 2018-08-31 | Deep drawing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108994140A true CN108994140A (en) | 2018-12-14 |
| CN108994140B CN108994140B (en) | 2024-04-19 |
Family
ID=64590487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811007646.7A Active CN108994140B (en) | 2018-08-31 | 2018-08-31 | Deep drawing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108994140B (en) |
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