CN109848258A - A kind of bend forming die - Google Patents
A kind of bend forming die Download PDFInfo
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- CN109848258A CN109848258A CN201811439849.3A CN201811439849A CN109848258A CN 109848258 A CN109848258 A CN 109848258A CN 201811439849 A CN201811439849 A CN 201811439849A CN 109848258 A CN109848258 A CN 109848258A
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- die holder
- elastic
- forming die
- bend forming
- frame
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Abstract
The invention discloses a kind of bend forming die, it is used for bending component, and including frame, upper die holder, lower die holder, at least two guiding mechanisms and at least two elastic telescopic parts.Lower die holder opens up the groove for upper die holder insertion, and two guiding mechanisms are separately positioned on the two sides of lower die holder and are mounted on frame.Each guiding mechanism includes two elastic components, respectively two idler wheels corresponding with two elastic components, and part is arranged between two idler wheels.One end of elastic component is mounted on frame, and each idler wheel is mounted on the other end of corresponding elastic component.The top and bottom of part are attached on the excircle of two idler wheels.Two elastic telescopic parts are corresponding at least two guiding mechanisms respectively, and telescopic end is higher than groove, and is mounted on frame.Each elastic telescopic part is arranged between corresponding guiding mechanism and lower die holder, and is located at the lower section of part.The present invention can reduce the friction of part, reduce the moulding mark of molding product.
Description
Technical field
The present invention relates to technical field of mold, in particular to a kind of bend forming die.
Background technique
With social progress and manufacturing development, it is machined in finished product, more and more bending parts, example occurs
Bracket etc. such as the various elastic slices in electric appliance, on automobile.As a kind of mould structure of important kind, bend forming die is wide
It is applied in sheet metal bending molding process generally.
The sheet metal bending molding die being in various forms exists in the prior art；However, being formed for existing sheet metal bending
For mold, in actual sheet metal bending forming process, the structure for being used to bending is all folded block or needle roller bending, this work
Skill drawback is that the appearance of product after forming can be because be caused product to have moulding mark by the reason of friction.
Summary of the invention
Based on this, it is necessary to be directed to problem of the prior art, the present invention provides a kind of novel bend forming die, with slow
The molding product of existing bend forming die institute is solved, appearance can be because be caused product to have moulding mark to be asked by the reason of friction
Topic.
The present invention is implemented with the following technical solutions: a kind of bend forming die is used for bending component, and includes:
Frame；
Upper die holder, installation is on said frame；
Lower die holder, installation on said frame, and open up the groove for upper die holder insertion；The part pre-folds
Turn of bilge position is located at the top of the groove, and the upper die holder is gone up and down in the groove to compress the position that pre-bends, and is rolled over
The curved part；
At least two guiding mechanisms are separately positioned on the two sides of the lower die holder, and install on said frame；Each
Guiding mechanism includes two elastic components, respectively two idler wheels corresponding with two elastic components, and part setting is described two
Between idler wheel；On said frame, each idler wheel is mounted on the other end of corresponding elastic component for one end installation of the elastic component
On；The top and bottom of the part are attached on the excircle of described two idler wheels；And
At least two elastic telescopic parts, it is corresponding at least two guiding mechanisms respectively, and telescopic end is higher than described recessed
Slot, and install on said frame；Each elastic telescopic part is arranged between corresponding guiding mechanism and the lower die holder, and position
In the lower section of the part.
Above-mentioned bend forming die, forming parts push the pre- of part between upper die holder and lower die holder, in upper die holder
When bending part, elastic telescopic part can the retracted downward by the stress of part first, simultaneously because elastic reaction, slows down zero
Stress effect of the part at groove port, to protect part.It is contracted to most in short-term in elastic telescopic part, elastic telescopic part can not subtract
The stress of slow part, upper die holder pushes part at this time, so that part of the part far from the position that pre-bends be by upward stress, and
Idler wheel and elastic component can slow down the stress effect of part, and guarantee that the non-position that pre-bends of part can be protected when carrying out bending
Original state is held, while the vibration of part can also be reduced.Moreover, idler wheel can reduce the friction of part when part is put into mold,
Reduce the moulding mark of molding product.
Further, the bend forming die further include:
The bottom of the groove is arranged in cushion；
Wherein, when the upper die holder drops to minimum, the bottom at the position that pre-bends is pressed on the cushion.
In part bending molding, cushion can reduce rushing for the groove-bottom of pre-bend position and the lower die holder of part
It hits, and reduces part friction and be damaged or hit impaired.
Further, in each guiding mechanism, two elastic components install one end detachable connection of the idler wheel.
Two elastic components can be such that the elasticity of two elastic components shares, to enhance by detachable connection type
The elastic reaction of guiding mechanism, and there is alternative, it is easy to install and use.
Further, described two elastic components are connected by a detachable structure, and the detachable structure includes point
Two grafting blocks not being arranged on described two elastic components, at least one bolt being screwed into described two grafting blocks.
User of service is when needing to enhance the elasticity of guiding mechanism entirety, it is only necessary to by bolt by two grafting block phases
Even, two elastic components are made to form an entirety, to realize that the elasticity of two elastic components up and down shares.
Further, the elastic component include mounting blocks, the elastic portion that is connected with mounting blocks, the mounting blocks are for installing
Corresponding idler wheel, the elastic portion installation is on said frame.
Elastic portion has elasticity, can reduce vibration of the part in bending, while reducing stress of the part in bending
Effect makes other positions of part keep original state, to improve bending quality.
Further, the elastic component includes pedestal, slide-bar, spring one and sliding block one；It is opened up on the pedestal for institute
State the sliding slot one that sliding block one slides up and down；The slide-bar is arranged in the sliding slot one, and the sliding block is a set of in the slide-bar
On；The spring one is arranged around the slide-bar, and both ends are separately fixed at the bottom wall of the pedestal, on the sliding block one；Institute
Sliding block one is stated for installing corresponding idler wheel.
Sliding block one can be slided along slide-bar, while be slided in sliding slot one, guaranteed the linear elasticity effect of elastic component, made to roll
Wheel can only move on upper and lower direction, prevent part from generating offset in bending.
Further, the elastic telescopic part includes L shape limit plate, locating shaft, spring two and sliding block two；The limit
Plate is installed on said frame, and surrounds the sliding slot two slided up and down for the sliding block two with the lower die holder；It is described fixed
Position axis is mounted on the limit plate, and is located in the sliding slot two；The spring two is arranged around the locating shaft, and both ends
It is separately fixed at the limit plate, on the sliding block two；Two sets of the sliding block is not rolled on the locating shaft in the upper die holder
When the curved part, the height of the sliding block two is higher than the depth of the groove.
When upper die holder pushes part, part is pressed on sliding block two close to the part for the position two sides that pre-bend, and in upper mold
Pressure under the continuing of seat persistently compresses the part that part is located on sliding block two, and spring two can be gone up and play sliding block two, and slow down part
With the impact of lower die holder, and the friction between part and lower die holder is reduced.
Further, the bend forming die further include:
Multiple slide assemblies corresponding with multiple elastic telescopic parts, each slide assemblies include support plate and installation respectively
Multiple rotating members in the support plate；The support plate is mounted on the top of corresponding elastic telescopic part.
Slide assemblies can further decrease the friction between part and lower die holder, while convenient for part is put into upper die holder
Between lower die holder.
Further, each guiding mechanism further includes motor；The motor is mounted on the elastic component, and for driving
The idler wheel rotation, to drive the part mobile.
In user of service's moving parts, rotates motor and idler wheel is driven to rotate, thus pull part mobile, time saving province
Power improves the efficiency of mould bending.
Further, each guiding mechanism further includes crank；The crank is mounted on the elastic component, and is rotated with band
The idler wheel rotation is moved, and drives the part mobile.
In user of service's moving parts, rotate idler wheel by crank, thus pull part mobile, it is time saving and energy saving, it mentions
The efficiency of high mould bending.
Detailed description of the invention
It is more particularly described by the preferred embodiment of the present invention shown in the drawings, the above and other purpose of the present invention, feature
It will be become more fully apparent with advantage.Identical appended drawing reference indicates identical part in all the attached drawings, and not deliberately by real
Size equal proportion scaling in border draws attached drawing, it is preferred that emphasis is shows this purport.
Fig. 1 is a kind of structural schematic diagram of bend forming die of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of another bend forming die of the embodiment of the present invention 1；
Fig. 3 is the structural schematic diagram of the bend forming die of the embodiment of the present invention 2；
Fig. 4 is the enlarged drawing of the region A in Fig. 3；
Fig. 5 is a kind of structural schematic diagram of the runner assembly of the bend forming die in Fig. 3；
Fig. 6 is another structural schematic diagram of the runner assembly of the bend forming die in Fig. 3；
Fig. 7 is the structural schematic diagram of the bend forming die of the embodiment of the present invention 3；
Fig. 8 is the structural schematic diagram of the bend forming die of the embodiment of the present invention 4.
Specific embodiment
To facilitate the understanding of the present invention, below with reference to relevant drawings to being originally described more fully.
It should be noted that it can be directly to separately when an element is considered as " connection " another element
One element and it is in combination be integrated, or may be simultaneously present centering elements.Term as used herein " installation ", " one
End ", " other end " and similar statement are for illustrative purposes only.
Unless otherwise defined, the technology of all technical and scientific terms used herein and the technical field for belonging to this
The normally understood meaning of personnel is identical.Term used in book described herein is intended merely to the mesh of description specific embodiment
, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more relevant listed items
Any and all combinations.
Embodiment 1
Referring to Fig. 1, present embodiments providing a kind of bend forming die, it is used for bending component 17, and including frame
1, upper die holder 13, lower die holder 3, guiding mechanism, elastic telescopic part and cushion 4.
In the present embodiment, the outer profile of frame 1 can be in cuboid, and frame 1 may include bottom plate 8, support column 16 and top
Plate 15.Bottom plate 8 can be placed in ground or other equipment, and support column 16 is mounted on bottom plate 8, and top plate 15 passes through support column
16 are connected with bottom plate 8, to form stable entirety.The middle part of two opposite support columns 16 is respectively provided with locating piece 18, is inciting somebody to action
When part 17 is placed on frame 1, part 17 can be positioned by locating piece 18.The size of frame 1 can according to need progress
Setting, while frame 1 can be made of damping material, to guarantee that frame 1 can be stablized when mold carries out bending.
Upper die holder 13 and lower die holder 3 are installed on frame 1.Lower die holder 3 open up for upper die holder 13 be inserted into groove 5, zero
The position that pre-bends of part 17 is located at the top of groove 5, and upper die holder 13 is gone up and down in groove 5 to compress the position that pre-bends, and bending
Part 17.Upper die holder 13 and lower die holder 3 can use existing die holder, and upper die holder 13 can pass through a hydraulic cylinder 14
It is gone up and down.Hydraulic cylinder 14 is mounted on top plate 15, and lower die holder 3 is mounted on bottom plate 8.In bending component 17, upper die holder 13
Decline and push part 17, the position that makes to pre-bend declines in groove 5, and is molded in groove 5.Wherein, part 17 needs bending
Shape can be configured according to the shape of groove 5 and upper die holder 13, existing structure can be used in those skilled in the art
It is configured.
The quantity at least two of guiding mechanism, two guiding mechanisms are arranged in the two sides of lower die holder 3 and are mounted on frame 1
On.Each guiding mechanism includes two elastic components, two idler wheels 12, and two idler wheels 12 are corresponding with two elastic components respectively.Part
Between 17 two idler wheels 12 of setting, the top and bottom of part 17 are attached on the excircle of two idler wheels 12.The one of elastic component
End is mounted on frame 1, and each idler wheel 12 is mounted on the other end of corresponding elastic component.
In some embodiments, elastic component may include pedestal 21, slide-bar 20, spring 1 and sliding block 1.Pedestal 21
On open up the sliding slot one slided up and down for sliding block 1.Slide-bar 20 is arranged in sliding slot one, and one 19 sets of sliding block on slide-bar 20.
Spring 1 is arranged around slide-bar 20, and both ends are separately fixed at the bottom wall of pedestal 21, on sliding block 1.Sliding block 1 is for pacifying
Fill corresponding idler wheel 12.Sliding block 1 can be slided along slide-bar 20, while be slided in sliding slot one, guarantee the linear bullet of elastic component
Property effect, move idler wheel 12 can only on upper and lower direction, prevent part 17 from generating offset in bending.
In other embodiments, referring to Fig. 2, elastic component may include mounting blocks 23, the bullet that is connected with mounting blocks 23
Property portion 24, for installing corresponding idler wheel 12, elastic portion 24 is mounted on frame 1 mounting blocks 23.Elastic portion 24 has elasticity, can
To reduce vibration of the part 17 in bending, while stress effect of the part 17 in bending is reduced, makes other portions of part 17
Position keeps original state, to improve bending quality.
In the present embodiment, in each guiding mechanism, one end detachable connection of two elastic component installation idler wheels 12.Two
A elastic component can be such that the elasticity of two elastic components shares, to enhance guiding mechanism by detachable connection type
Elastic reaction, and there is alternative, it is easy to install and use.Specifically, two elastic components pass through a detachable structure
It is connected, and detachable structure includes two grafting blocks 10 being separately positioned on two elastic components, is screwed into two grafting blocks 10
In at least one bolt 11.User of service is when needing to enhance the elasticity of guiding mechanism entirety, it is only necessary to will by bolt 11
Two grafting blocks 10 are connected, and two elastic components is made to form an entirety, to realize that the elasticity of two elastic components up and down shares.
The quantity of elastic telescopic part and the quantity of guiding mechanism are identical, and each elastic telescopic part and a guiding mechanism pair
It answers.For elastic telescopic part under natural retracted position, telescopic end is higher than groove 5, and is mounted on frame 1.Each elastic telescopic
Part is arranged between corresponding guiding mechanism and lower die holder 3, and is located at the lower section of part 17.Specifically, elastic telescopic part includes L
Shape limit plate 2, locating shaft 6, spring 27 and sliding block 29.Limit plate 2 is mounted on frame 1, and is surrounded with lower die holder 3 for cunning
The sliding slot two that block 29 slides up and down.Locating shaft 6 is mounted on limit plate 2, and is located in sliding slot two.Spring 27 is around fixed
Position axis 6 is arranged, and both ends are separately fixed at limit plate 2, on sliding block 29.29 sets of sliding block on locating shaft 6, upper die holder 13 not
When bending component 17, the height of sliding block 29 is higher than the depth of groove 5.When upper die holder 13 pushes part 17, part 17 is close to pre-
The part of bending part two sides is pressed on sliding block 29, and the pressure under the continuing of upper die holder 13, is persistently compressed part 17 and is located at cunning
Part on block 29, and spring 27 can be gone up and play sliding block 29, and slow down the impact of part 17 Yu lower die holder 3, and reduce part 17
With the friction between lower die holder 3.
At work, upper die holder 13 pushes the position that pre-bends of part 17, and elastic telescopic part can be answered by part 17 first
Power effect and retracted downward and contracts last are flushed to it with the top of lower die holder 3, can tentatively slow down part 17 at 5 mouthfuls of groove
Stress effect, to protect part 17；And further, it is contracted to most in short-term in elastic telescopic part, elastic telescopic part can not
Slow down the stress of part 17, at this time upper die holder 13 push part 17 so that part 17 far from pre-bend position part by
On stress, and idler wheel 12 and elastic component can slow down the stress effect of part 17, and guarantee the non-position that pre-bends of part 17
It is able to maintain original state when carrying out bending, while the vibration of part 17 can also be reduced.Moreover, when part 17 is put into mold,
Idler wheel 12 can reduce the friction of part 17, reduce the moulding mark of molding product.
The bottom of groove 5 is arranged in cushion 4, and when upper die holder 13 drops to minimum, the bottom at the position that pre-bends is pressed on
On cushion 4.In 17 bending and molding of part, cushion 4 can reduce the groove at the pre-bend position and lower die holder 3 of part 17
The impact at 5 bottoms, and reduce the friction of part 17 and be damaged or hit impaired.
Embodiment 2
Fig. 3 and Fig. 4 is please referred to, a kind of bend forming die is present embodiments provided, increases on the basis of embodiment 1
Multiple slide assemblies are added.Multiple slide assemblies are corresponding with multiple elastic telescopic parts respectively, and each slide assemblies include support plate
25 and multiple rotating members 26.Multiple rotating members 26 are mounted in support plate 25, and rotating member 26 can be using spin, runner etc.
Structure.Support plate 25 is mounted on the top of corresponding elastic telescopic part, and rotating member 26 is supported on elastic telescopic end.
Referring to Fig. 5, being mounted with one group of rotating member 26 in support plate 25, slide assemblies are suitable for relatively narrow part at this time
17.Referring to Fig. 6, being mounted with multiple groups rotating member 26 in support plate 25, with four groups of 26 examples of rotating member in Fig. 6, rotate at this time
Component can be adapted for relatively wide part 17.Wherein, slide assemblies can further decrease between part 17 and lower die holder 3
Friction, while convenient for part 17 is put between upper die holder 13 and lower die holder 3.
Embodiment 3
Referring to Fig. 7, present embodiments providing a kind of bend forming die, electricity is increased on the basis of embodiment 1
Machine 27, and motor 27 belongs to guiding mechanism.Motor 27 is mounted on elastic component, and for driving idler wheel 12 to rotate, to drive zero
Part 17 is mobile.It in user of service's moving parts 17, rotates motor 27 and idler wheel 12 is driven to rotate, so that part 17 be pulled to move
It is dynamic, it is time saving and energy saving, improve the efficiency of mould bending.
Embodiment 4
Referring to Fig. 8, present embodiments providing a kind of bend forming die, increases shake on the basis of embodiment 1
28, crank 28 belongs to guiding mechanism.In user of service's moving parts 17, by artificially shaking crank 28, make 12 turns of idler wheel
It is dynamic, thus pull part 17 mobile, it is time saving and energy saving, improve the efficiency of mould bending.Moreover, manual operation crank 28, can be convenient for
The artificial position for adjusting part 17, facilitates the use of mold.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments invented above described embodiment only expresses, the description thereof is more specific and detailed, but not
It can therefore be construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of bend forming die is used for bending component, and includes:
Frame；
Upper die holder, installation is on said frame；
Lower die holder, installation on said frame, and open up the groove for upper die holder insertion；The part pre-folds turn of bilge
Position is located at the top of the groove, and the upper die holder is gone up and down in the groove to compress pre-bend position, and the bending institute
State part；
It is characterized in that, the bend forming die further include:
At least two guiding mechanisms are separately positioned on the two sides of the lower die holder, and install on said frame；Each guiding
Mechanism includes two elastic components, respectively two idler wheels corresponding with two elastic components, and described two idler wheels are arranged in the part
Between；On said frame, each idler wheel is mounted on the other end of corresponding elastic component for one end installation of the elastic component；Institute
The top and bottom for stating part are attached on the excircle of described two idler wheels；And
At least two elastic telescopic parts, it is corresponding at least two guiding mechanisms respectively, and telescopic end is higher than the groove, and
Installation is on said frame；Each elastic telescopic part is arranged between corresponding guiding mechanism and the lower die holder, and is located at institute
State the lower section of part.
2. bend forming die according to claim 1, which is characterized in that the bend forming die further include:
The bottom of the groove is arranged in cushion；
Wherein, when the upper die holder drops to minimum, the bottom at the position that pre-bends is pressed on the cushion.
3. bend forming die according to claim 1, which is characterized in that in each guiding mechanism, two elastic components
One end detachable connection of the idler wheel is installed.
4. bend forming die according to claim 3, which is characterized in that described two elastic components are detachable by one
Structure is connected, and the detachable structure includes two grafting blocks being separately positioned on described two elastic components, is screwed into institute
State at least one bolt in two grafting blocks.
5. bend forming die according to claim 1, which is characterized in that the elastic component includes mounting blocks and installation
The connected elastic portion of block, the mounting blocks are for installing corresponding idler wheel, and the elastic portion installation is on said frame.
6. bend forming die according to claim 1, which is characterized in that the elastic component includes pedestal, slide-bar, spring
One and sliding block one；The sliding slot one slided up and down for the sliding block one is opened up on the pedestal；The slide-bar is arranged in the cunning
In slot one, and the sliding block is a set of on the slide-bar；The spring one is arranged around the slide-bar, and both ends are separately fixed at
On the bottom wall of the pedestal, the sliding block one；The sliding block one is for installing corresponding idler wheel.
7. bend forming die according to claim 1, which is characterized in that the elastic telescopic part include L shape limit plate,
Locating shaft, spring two and sliding block two；The limit plate installation on said frame, and is surrounded with the lower die holder for the cunning
The sliding slot two that block two slides up and down；The locating shaft is mounted on the limit plate, and is located in the sliding slot two；It is described
Spring two is arranged around the locating shaft, and both ends are separately fixed at the limit plate, on the sliding block two；Two sets of the sliding block
On the locating shaft, when the part described in the non-bending of the upper die holder, the height of the sliding block two is higher than the depth of the groove
Degree.
8. bend forming die according to claim 1, which is characterized in that the bend forming die further include:
Multiple slide assemblies corresponding with multiple elastic telescopic parts respectively, each slide assemblies include support plate and are mounted on institute
State multiple rotating members in support plate；The support plate is mounted on the top of corresponding elastic telescopic part.
9. bend forming die according to claim 1, which is characterized in that each guiding mechanism further includes motor；It is described
Motor is mounted on the elastic component, and for driving the idler wheel to rotate, to drive the part mobile.
10. bend forming die according to claim 1, which is characterized in that each guiding mechanism further includes crank；It is described
Crank is mounted on the elastic component, and is rotated to drive the idler wheel to rotate, and drives the part mobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811439849.3A CN109848258B (en) | 2018-11-29 | 2018-11-29 | Bending forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811439849.3A CN109848258B (en) | 2018-11-29 | 2018-11-29 | Bending forming die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109848258A true CN109848258A (en) | 2019-06-07 |
| CN109848258B CN109848258B (en) | 2020-10-02 |
Family
ID=66890434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811439849.3A Active CN109848258B (en) | 2018-11-29 | 2018-11-29 | Bending forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109848258B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680923A (en) * | 2021-10-27 | 2021-11-23 | 江苏颐柏机械有限公司 | Emergency protection device of metal bending machine |
| CN115139388A (en) * | 2022-06-29 | 2022-10-04 | 山东保丽新型涂料有限公司 | High-strength refractory material pouring forming equipment |
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| CN207288618U (en) * | 2017-09-26 | 2018-05-01 | 芳源企业（上海）有限公司 | Bending mould |
| CN208050731U (en) * | 2018-02-10 | 2018-11-06 | 无锡微研中佳精机科技有限公司 | A kind of bending mechanism of adjustable angle of revolution |
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| JPH0810855A (en) * | 1994-06-29 | 1996-01-16 | Nisshinbo Ind Inc | Shapes bender |
| CN2526098Y (en) * | 2001-12-21 | 2002-12-18 | 高弗实业股份有限公司 | Oil Hydraulic rib bender |
| CN202010734U (en) * | 2011-03-23 | 2011-10-19 | 苏州市艾西依钣金制造有限公司 | Bending forming die |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680923A (en) * | 2021-10-27 | 2021-11-23 | 江苏颐柏机械有限公司 | Emergency protection device of metal bending machine |
| CN113680923B (en) * | 2021-10-27 | 2021-12-28 | 江苏颐柏机械有限公司 | Emergency protection device of metal bending machine |
| CN115139388A (en) * | 2022-06-29 | 2022-10-04 | 山东保丽新型涂料有限公司 | High-strength refractory material pouring forming equipment |
| CN115139388B (en) * | 2022-06-29 | 2024-03-29 | 山东保丽新型涂料有限公司 | High-strength refractory material pouring molding equipment |
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| Publication number | Publication date |
|---|---|
| CN109848258B (en) | 2020-10-02 |
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