CN209174714U - Punching press shaping equipment for punching press auto pedal - Google Patents
Punching press shaping equipment for punching press auto pedal Download PDFInfo
- Publication number
- CN209174714U CN209174714U CN201821824643.8U CN201821824643U CN209174714U CN 209174714 U CN209174714 U CN 209174714U CN 201821824643 U CN201821824643 U CN 201821824643U CN 209174714 U CN209174714 U CN 209174714U
- Authority
- CN
- China
- Prior art keywords
- sliding block
- punching press
- lower template
- cope plate
- liftout
- 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.)
- Expired - Fee Related
Links
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses a kind of punching press shaping equipment for punching press auto pedal, including upper mold is specific, lower mold, limited block and guiding mechanism；The guiding mechanism includes shear type frame and two slide-and-guide blocks, one of slide-and-guide block is fixed on cope plate, another slide-and-guide block fixes lower template, two slide-and-guide blocks are parallel to each other, the shear type frame includes two connecting rods hinged in X-shaped, one end of one of connecting rod and cope plate are hinged, the other end is slidably matched by a sliding block and the slide-and-guide block in lower template, one end of another connecting rod and lower template are hinged, the other end is slidably matched by another sliding block and the slide-and-guide block on cope plate, mold guiding performance is good, it runs smoothly, conducive to raising product quality.
Description
Technical field
The utility model relates to a kind of punching press shaping equipments for punching press auto pedal.
Background technique
The mode for generalling use punch process for pedal assembly pedal in the prior art passes through punching machine and stamping die pair
Metal tablet, which carries out punching press, makes it generate plastic deformation to obtain, specially first to be pre-machined the metal tablet of limit hole into
Row punch forming, then hole flanging processing is carried out to its hole portion structure, used stamping die and hole flanging mold are equal in the prior art
For traditional structure, it is made of upper die and lower die, cope plate, lower template and die shank, the disadvantage is that: one, mini van pedal assembly
Pedal is the structure that a side punching press is sunk, and is protrusion with corresponding upper mold at punching press sink structures, lower die is recess portion, punching press
The protrusion of upper mold contacts tablet edge first when processing, makes tablet cause deformation uneven because of its edge elder generation stress, strikes out
Product surface quality is poor after type；Two, due to being using cold stamping shaped, in hole flanging processing, the hole portion structure of workpiece is due to multiple
The effect of former power and lock ring are on mold, it is more difficult to take out, operator need to use other auxiliary tools to remove workpiece, and labour is strong
Degree is big, and production efficiency is low；Three, the accumulation of mismachining tolerance is caused by machine-shaping twice, is reduced product qualification rate, is also needed to put into
A large amount of human resources, higher cost, four, the guide frame between upper mold and lower die is Frictional Slipping formula structure, is used
Wear in the process more serious, failure rate is higher, influences going on smoothly for processing, maintenance cost is caused to increase.
Therefore, it is necessary to a kind of auto pedal stamping dies, can carry out punching press to mini van pedal assembly pedal simultaneously
Molding and hole flanging are processed and there is preferable processing performance to be improved production efficiency and product quality with reducing production cost.
Utility model content
For the defects in the prior art, the utility model provides a kind of punch forming for punching press auto pedal and sets
It is standby, punching press and hole flanging two-step are combined, can simultaneously to mini van pedal assembly pedal carry out punch forming and
Hole flanging processing, and be located in lower die to correspond on workpiece and be provided with liftout sliding block at punching press sinking, it can be to the tablet before punching press
It is supported, guarantees that pressure-plate-force is uniform in punching course, mold guiding performance is good, runs smoothly, and is conducive to improve product quality.
The punching press shaping equipment for punching press auto pedal of the utility model, including upper mold is specific, lower mold, limit
Block and guiding mechanism；
The upper mold specifically includes cope plate and upper mold；The cope plate is horizontally disposed, top surface be provided with for punching
The die shank that the die shank of bed is fixedly connected；The upper mold is fixed on the bottom surface of cope plate, and the bottom surface of upper mold forms to be added with workpiece
The corresponding mo(u)ld top half face of the molding surface structure of work and correspond to workpiece upper limit hole position be provided with hole flanging recess portion；
The lower die specifically includes lower template, lower die, liftout sliding block and elastic force apparatus；The lower template level is fixed on punching
Bed workbench；The lower die is fixed on the top surface of lower template, and the position that workpiece upper limit hole is corresponded in lower die is provided with hole flanging
Protrusion；Single-degree-of-freedom is snug fit at lower die and when liftout sliding block is located at lower dead center Shi Qiding the liftout sliding block along the vertical direction
The top surface transition and linkage at face edge and lower die, the top surface of lower die and the top surface of liftout sliding block collectively form with workpiece it is to be processed at
The corresponding lower moulding surface structure of the lower surface configuration of type；The elastic force apparatus is set to below liftout sliding block for being liftout sliding block
There is provided direction upward elastic force；It is each provided with a guide cylinder along the vertical direction positioned at the left and right sides of lower template, is located at upper
Position in template corresponding to guide cylinder is provided with circular hole and is nested in circular hole and fixes and be placed on outside guide cylinder therewith
The guide sleeve that single-degree-of-freedom is slidably connected, guiding set upper side outer wall are provided with step surface structure and by its step surface structures
It is axially positioned at the circular hole of cope plate；The side wall of the guide cylinder is equipped with the rolling for rolling cooperation with guide sleeve inner wall
Wheel；
The guiding mechanism includes shear type frame and two slide-and-guide blocks, and one of slide-and-guide block is fixed on upper mold
Plate, the fixed lower template of another slide-and-guide block, two slide-and-guide blocks are parallel to each other, and the shear type frame includes hinged in X-shaped
Two connecting rods together, one end of one of connecting rod and cope plate are hinged, and the other end passes through in a sliding block and lower template
Slide-and-guide block be slidably matched, one end of another connecting rod and lower template are hinged, the other end pass through another sliding block and upper mold
Slide-and-guide block on plate is slidably matched；Using the deformation principle of shear type frame, cope plate is made relative to lower template to be perpendicular always
Translation is dynamic, effectively realizes the positioning of horizontal direction, and guiding performance is good, runs smoothly, and machining accuracy is high, is conducive to improve product matter
Amount；
The limited block, which is set between cope plate and lower template, is used to support cope plate to terminate punching stroke.
Further, the guiding mechanism is equipped with two groups, and is respectively in the left and right ends of cope plate and lower template；It is whole by
Power performance is good.
Further, the liftout sliding block corresponds on workpiece and is arranged at punching press sinking, and liftout sliding block is located inside lower die, under
The through-hole slided up and down for liftout sliding block is provided on mould, liftout sliding block carries out downslide limit by lower template.
Further, the elastic force apparatus is elastic rubber structure, including plate disposed in parallel I, plate II and is clipped in flat
Elastic rubber between plate I and plate II.
Further, the elastic force apparatus is anchored on the bottom of lower template by screw rod along the vertical direction through its inside
Face, screw rod lower end are provided with the nut for being positioned to elastic force apparatus, also set between elastic force apparatus and liftout sliding block
It is equipped with mandril, the mandril is stepped screw, and the bottom end of stepped screw is against the top surface of plate I, step spiral shell is corresponded in lower template
The position of nail is provided with counterbore, and stepped screw passes through counterbore and is anchored on liftout slider bottom for transmitting the elastic force of elastic force apparatus
Upper sliding limit is carried out to liftout sliding block and to liftout sliding block.
Further, the cope plate and lower template are rectangular flat plate, and the limited block is the diagonal line along lower template
Two limited posts being arranged, limited post lower end insertion lower template are interference fitted connection and axially position, the upper end of limited post therewith
Be provided with axial counterbore, the position on the bottom surface of cope plate corresponding to limited post it is embedded be provided with stop piece, it is described to stop
Stops is round boss structure, and protrusion is used to match with the counterbore of limited post upper end downward.
The beneficial effects of the utility model are: the punching press shaping equipment for punching press auto pedal of the utility model, it will
Punching press and hole flanging two-step combine, and can carry out punch forming to mini van pedal assembly pedal simultaneously and hole flanging adds
Work, and be located in lower die to correspond on workpiece and be provided with liftout sliding block at punching press sinking, the tablet before punching press can be propped up
Support guarantees that pressure-plate-force is uniform in punching course, and mold guiding performance is good, runs smoothly, and is conducive to improve product quality.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In the accompanying drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the side view of guiding mechanism；
Fig. 3 is lower die actual plane figure.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
It is as shown in Figs. 1-3: the punching press shaping equipment for punching press auto pedal of the present embodiment, including upper mold it is specific, under
Mold, limited block 1 and guiding mechanism；
The upper mold specifically includes cope plate 2 and upper mold 3；The cope plate 2 is horizontally disposed, top surface be provided with for
The die shank 2a that the die shank of punching machine is fixedly connected；The upper mold 3 is fixed on the bottom surface of cope plate 2, and the bottom surface of upper mold 3 is formed and workpiece
It is recessed that the corresponding mo(u)ld top half face of molding surface structure to be processed and the position for corresponding to workpiece upper limit hole are provided with hole flanging
Portion 3a；
The lower die specifically includes lower template 4, lower die 5, liftout sliding block 6 and elastic force apparatus 7；The lower template 4 is horizontal solid
Due to work bench of punch press 14；The lower die 5 is fixed on the top surface of lower template 4, and the position in workpiece upper limit hole is corresponded in lower die 5
It is provided with hole flanging protrusion 5a；Single-degree-of-freedom is snug fit at lower die 5 and when liftout sliding block 6 the liftout sliding block 6 along the vertical direction
The top surface transition and linkage at its top surface edge and lower die 5 when positioned at lower dead center, the top surface of lower die 5 and the top surface of liftout sliding block 6 are common
Constitute lower moulding surface structure corresponding with workpiece molding lower surface configuration to be processed；The elastic force apparatus 7 is set to liftout
For providing direction upward elastic force for liftout sliding block 6 below sliding block 6, elastic force apparatus 7 can be elastic rubber structure, spring or
Hydraulic pressure cylinder assembly is able to achieve the utility model aim；It is each provided with one along the vertical direction positioned at the left and right sides of lower template 4
Guide cylinder 11, the position on cope plate 2 corresponding to guide cylinder 11 are provided with circular hole and are nested in circular hole and fix simultaneously
And it is placed on the guide sleeve 12 that single-degree-of-freedom is slidably connected therewith outside guide cylinder 11, the 12 upper end outer wall of guide sleeve is provided with platform
Terrace structure 12a is simultaneously axially positioned at the circular hole of cope plate 2 by its step surface structure 12a, by guide cylinder 11 and is led
More effective horizontal direction specifically can be carried out relative to lower mold to upper mold to set 12 to limit, can prevent punching machine operation process
In offset specifically occurs due to die shank and upper mold caused by shaking, guarantee the quality of stamped workpieces and the safety of punching course
Property, the side wall of the guide cylinder 11 is equipped with the idler wheel 15 for rolling cooperation with 12 inner wall of guide sleeve；Idler wheel 15 is justified along guiding
For axis of a cylinder to arranged multiple groups, each group has multiple idler wheels 15 and along 11 circumferencial direction arranged of guide cylinder；Idler wheel 15
The outermost of insertion 11 outer wall of guide cylinder and idler wheel 15 slightly protrudes from 11 surface of guide cylinder, each idler wheel rotating around it respectively
Axis single-degree-of-freedom is rotationally connected with guide cylinder；Guide cylinder 11 is rolled by idler wheel 15 and 12 inner wall of guide sleeve to cooperate,
Rather than frictional fit, abrasion is substantially reduced, is prolonged the service life, failure rate is reduced, saves maintenance cost, idler wheel 15 is drum wheel
It structure and is contacted with 12 inner wall line of guide sleeve, greatly increases the contact area between 12 inner wall of idler wheel 15 and guide sleeve, improved
Radial bearing capacity；The side wall of guide cylinder 11 is additionally provided with the oil groove for storing lubricating oil；
The guiding mechanism includes shear type frame and two slide-and-guide block 12a, and one of slide-and-guide block 12a is fixed
In cope plate 2, the fixed lower template 4 of another slide-and-guide block 12a, two slide-and-guide block 12a are parallel to each other, the shear type frame
It is hinged by articulated shaft 15 between two connecting rods 11 including two connecting rods 11 hinged in X-shaped；One of them
One end of connecting rod 11 and cope plate 2 are hinged, and the other end is slided by the slide-and-guide block 12a in a sliding block 12 and lower template 4
Cooperation, one end of another connecting rod 11 and lower template 4 are hinged, and the other end passes through the sliding on another sliding block 12 and cope plate 2
Guide pad 12a is slidably matched；Using the deformation principle of shear type frame, cope plate 2 is made relative to lower template 4 to be to move vertically always
It is dynamic, the positioning of horizontal direction is effectively realized, guiding performance is good, runs smoothly, and machining accuracy is high, is conducive to improve product quality；
The limited block 1, which is set between cope plate 2 and lower template 4, is used to support cope plate 2 to terminate punching stroke, incites somebody to action
The impact loading generated in Punching Process acts on the type face of upper mold 2 and lower die 4 in limited block 1, is conducive to
It protects mold not damaged, prolongs the service life.
In the present embodiment, the liftout sliding block 6 corresponds on workpiece to be arranged at punching press sinking, and liftout sliding block 6 is located at lower die 3
Inside is provided with the through-hole slided up and down for liftout sliding block 6 in lower die 3, and liftout sliding block 6 carries out downslide limit by lower template 4,
Liftout sliding block 6 can jack up straight up under the action of elastic force apparatus 7 and be supported on the position being pressurized first on workpiece, when into
It is simultaneously preliminary that can be sandwiched in workpiece between upper mold 3 and liftout sliding block 6 under the supporting role of liftout sliding block 6 when row punch process
Molding, further stamping move down liftout sliding block 6 vertically under pressure by elastic force apparatus compression until liftout sliding block 6 moves down
It is butted on the upper surface of lower template 4 to lower dead center, completes punch forming, workpiece local deformation can be made uniform, stable.
In the present embodiment, the elastic force apparatus 7 is elastic rubber structure, including I 7a of plate disposed in parallel, II 7b of plate
And the elastic rubber 7c being clipped between II 7b of I 7a of plate and plate, each modular construction is simple, is easily worked production, elastic rubber
7c service performance is good, and material source is wide, at low cost.
In the present embodiment, the elastic force apparatus 7 is by being anchored on lower template through its internal screw rod 8 along the vertical direction
4 bottom surface, 8 lower end of screw rod are provided with the nut 9 for being positioned to elastic force apparatus 7, are located at elastic force apparatus 7 and liftout sliding block
Mandril 10 is additionally provided between 6, the mandril 10 is stepped screw, and the bottom end of stepped screw is against the top surface of I 7a of plate, lower die
The position that stepped screw is corresponded on plate 4 is provided with counterbore 4a, and stepped screw is anchored on 6 bottom of liftout sliding block across counterbore 4a and is used for
The elastic force of elastic force apparatus 7 is passed into liftout sliding block 6 and upper sliding limit is carried out to liftout sliding block 6, keeps liftout before punch process sliding
Block 6 can be supported workpiece in a suitable height, and elastic force apparatus 7 can receive the pushing of liftout sliding block 6 by mandril 10
It does work and carries out accumulation of energy, after punch forming, elastic force apparatus 7 discharges its energy and is jacked up liftout sliding block by mandril 10, into
And jack up workpiece, convenient for the taking-up of workpiece, production efficiency can be improved, it is compact-sized, it is small in size, it is convenient for disassembly and assembly.
In the present embodiment, the cope plate 2 and lower template 4 are rectangular flat plate, and the limited block 1 is along lower template 4
Diagonal line setting two limited posts, limited post lower end insertion lower template 4 be interference fitted therewith connection and axially position, limit
The upper end of column is provided with axial counterbore, is provided with stopping corresponding to what the position of limited post embedded on the bottom surface of cope plate 2
Block 13, the stop piece 13 are round boss structure, and protrusion is used to match with the counterbore of limited post upper end downward, are stopped fast
13 are made of polyurethane material, have stronger flexibility, and cushion performance is good, and cope plate 2 and limited post can be prevented because by relatively strong
Shock loading and damage and reduce the noise generated in Punching Process, protect environment.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (6)
1. a kind of punching press shaping equipment for punching press auto pedal, it is characterised in that: mold specific including upper mold, lower, limit
Position block and guiding mechanism；
The upper mold specifically includes cope plate and upper mold；The cope plate is horizontally disposed, top surface be provided with for punching machine
The die shank that die shank is fixedly connected；The upper mold is fixed on the bottom surface of cope plate, the bottom surface of upper mold formed with workpiece it is to be processed at
The corresponding mo(u)ld top half face of the surface structure of type and correspond to workpiece upper limit hole position be provided with hole flanging recess portion；
The lower die specifically includes lower template, lower die, liftout sliding block and elastic force apparatus；The lower template level is fixed on puncher
Make platform；The lower die is fixed on the top surface of lower template, and the position that workpiece upper limit hole is corresponded in lower die is provided with hole flanging protrusion；
Single-degree-of-freedom is snug fit at lower die and its top surface side when liftout sliding block is located at lower dead center to the liftout sliding block along the vertical direction
The top surface transition and linkage on edge and lower die, the top surface of lower die and the top surface of liftout sliding block collectively form to be processed molding with workpiece
The corresponding lower moulding surface structure of lower surface configuration；The elastic force apparatus is set to below liftout sliding block for providing for liftout sliding block
The upward elastic force in direction；It is each provided with a guide cylinder along the vertical direction positioned at the left and right sides of lower template, is located at cope plate
The upper position corresponding to guide cylinder be provided with circular hole and be nested in circular hole fix and be placed on outside guide cylinder therewith it is single from
The guide sleeve being slidably connected by degree, guiding set upper side outer wall are provided with step surface structure and by its step surface structure axial directions
It is positioned at the circular hole of cope plate；The side wall of the guide cylinder is equipped with the idler wheel for rolling cooperation with guide sleeve inner wall；
The guiding mechanism includes shear type frame and two slide-and-guide blocks, and one of slide-and-guide block is fixed on cope plate,
Another slide-and-guide block fixes lower template, and two slide-and-guide blocks are parallel to each other, and the shear type frame includes being hinged on one in X-shaped
Two connecting rods risen, one end of one of connecting rod and cope plate are hinged, and the other end passes through the cunning in a sliding block and lower template
Action-oriented block is slidably matched, and one end of another connecting rod and lower template are hinged, and the other end passes through on another sliding block and cope plate
Slide-and-guide block be slidably matched；
The limited block, which is set between cope plate and lower template, is used to support cope plate to terminate punching stroke.
2. the punching press shaping equipment according to claim 1 for punching press auto pedal, it is characterised in that: the Guiding machine
Structure is equipped with two groups, and is respectively in the left and right ends of cope plate and lower template.
3. the punching press shaping equipment according to claim 2 for punching press auto pedal, it is characterised in that: the liftout is sliding
Block corresponds on workpiece to be arranged at punching press sinking, and liftout sliding block is located inside lower die, is provided in lower die for above and below liftout sliding block
The through-hole of sliding, liftout sliding block carry out downslide limit by lower template.
4. the punching press shaping equipment according to claim 3 for punching press auto pedal, it is characterised in that: the elastic force dress
It is set to elastic rubber structure, including plate I disposed in parallel, plate II and the elastic rubber being clipped between plate I and plate II.
5. the punching press shaping equipment according to claim 4 for punching press auto pedal, it is characterised in that: the elastic force dress
The bottom surface by being anchored on lower template through its internal screw rod along the vertical direction is set, screw rod lower end is provided with for elastic force
The nut that device is positioned is additionally provided with mandril between elastic force apparatus and liftout sliding block, and the mandril is stepped screw,
The bottom end of stepped screw is against the top surface of plate I, and the position that stepped screw is corresponded in lower template is provided with counterbore, and stepped screw is worn
It crosses counterbore and is anchored on liftout slider bottom for the elastic force of elastic force apparatus to be passed to liftout sliding block and is carried out to liftout sliding block
Sliding limit.
6. the punching press shaping equipment according to claim 5 for punching press auto pedal, it is characterised in that: the cope plate
It is rectangular flat plate with lower template, the limited block is under two limited post of the diagonal line of lower template setting, limited post
End insertion lower template is interference fitted connection and axially position therewith, and the upper end of limited post is provided with axial counterbore, is located at cope plate
Bottom surface on correspond to limited post position it is embedded be provided with stop piece, the stop piece is round boss structure, protrusion
Downward for being matched with the counterbore of limited post upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824643.8U CN209174714U (en) | 2018-11-06 | 2018-11-06 | Punching press shaping equipment for punching press auto pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821824643.8U CN209174714U (en) | 2018-11-06 | 2018-11-06 | Punching press shaping equipment for punching press auto pedal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209174714U true CN209174714U (en) | 2019-07-30 |
Family
ID=67363555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821824643.8U Expired - Fee Related CN209174714U (en) | 2018-11-06 | 2018-11-06 | Punching press shaping equipment for punching press auto pedal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209174714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957828A (en) * | 2020-07-07 | 2020-11-20 | 四川丰科汽车部件有限公司 | Pipe beam support forming die marks time |
-
2018
- 2018-11-06 CN CN201821824643.8U patent/CN209174714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957828A (en) * | 2020-07-07 | 2020-11-20 | 四川丰科汽车部件有限公司 | Pipe beam support forming die marks time |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205309038U (en) | Lockpin stamping device | |
| CN202199682U (en) | Lower reinforced plate mould for pedal assembly for miniature coach | |
| CN205496380U (en) | Reinforcing plate stamping die under car | |
| CN209174714U (en) | Punching press shaping equipment for punching press auto pedal | |
| CN203410044U (en) | Press machine of long workbench | |
| CN210080627U (en) | Precision die forging equipment | |
| CN104971993A (en) | Three-purpose rolling die provided with guide columns capable of being moved out and achieving combination and switching of upper die bodies and lower die bodies | |
| CN208195444U (en) | A kind of metal parts punch forming device | |
| CN212839144U (en) | Pressure buffering device of hydraulic machine | |
| CN211539113U (en) | Buffer device for punch press | |
| CN105234275A (en) | Device for machining lower reinforcing plate of automobile | |
| CN214023059U (en) | Calendering anti-flying stamping die for steel backing | |
| CN214080119U (en) | Portable pneumatic press | |
| CN210305348U (en) | Thermoforming deburring stamping die | |
| CN210280332U (en) | Production device for automobile thin-wall part | |
| CN202070674U (en) | Reverse cutting and punching composite die for rail chain link | |
| CN205085270U (en) | Bending device | |
| CN219335611U (en) | Pump cover stamping tool | |
| CN210547777U (en) | Stamping device is used in bearing production | |
| CN216632246U (en) | Porous one shot forming equipment of oil tank end cover | |
| CN212792511U (en) | Bending die capable of retarding indentation on surface of workpiece | |
| CN211567065U (en) | Forging press machine press | |
| CN207170822U (en) | A kind of mobile work platform | |
| CN211539240U (en) | Adjustable die base for producing precision stamping parts | |
| CN213195218U (en) | Metal stamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 Termination date: 20201106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |