CN109985980A - A kind of motorcycle accessories processing Pneumatic press with substrate hold-down function - Google Patents
A kind of motorcycle accessories processing Pneumatic press with substrate hold-down function Download PDFInfo
- Publication number
- CN109985980A CN109985980A CN201711476047.5A CN201711476047A CN109985980A CN 109985980 A CN109985980 A CN 109985980A CN 201711476047 A CN201711476047 A CN 201711476047A CN 109985980 A CN109985980 A CN 109985980A
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- CN
- China
- Prior art keywords
- vertical plate
- pedestal
- plate
- push rod
- fixedly connected
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- 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.)
- Pending
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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
- 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
- B21D43/003—Positioning devices
-
- 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
- B21D53/00—Making other particular articles
- B21D53/86—Making other particular articles other parts for bicycles or motorcycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
- B30B1/38—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure wherein the plungers are operated by pressure of a gas, e.g. steam, air
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a kind of motorcycle accessories processing Pneumatic press with substrate hold-down function, including pedestal, the upper surface of the pedestal is fixedly installed with the first vertical plate and the second vertical plate respectively, the upper surface of first vertical plate and the second vertical plate is fixedly connected to upper plate, upper plate is fixedly installed with cylinder in the middle part of upper surface, the output end of cylinder is fixedly connected with push rod, and upper plate is run through between the first vertical plate and the second vertical plate in the bottom end of the push rod.The motorcycle accessories processing Pneumatic press with substrate hold-down function, the other end of first crossbar and the other end of second crossbar are respectively fixedly connected with the top of the first compression bar and the second compression bar, the bottom end of first compression bar and the second compression bar is fixedly installed with sucker, the bottom of sucker is the bottom of upper module and the half of pedestal distance at a distance from pedestal, the impact force influence caused by plate position generated when punching press is reduced, solves the problems, such as that existing Pneumatic press cannot well position plate.
Description
Technical field
The present invention relates to motorcycle accessories processing technique field, specially a kind of motorcycle accessories with substrate hold-down function adds
Work Pneumatic press.
Background technique
The high pressure gas that Pneumatic press utilizes compressor to generate, is delivered to solenoid valve for compressed gas by pipeline, passes through
Floor push controls the work and return of cylinder to control the movement of solenoid valve, to carry out punching press to the thin plate on workbench
Processing can shear thin plate, punching, blanking, molding, bending, the processes such as riveted, answering in motorcycle accessories processing
With also very generally, when the punch rod of press machine and the web contact of processing, since punch rod speed is fast, strength is big, generation
Impact force may be such that plate moves, and Working position is made to shift, and influence final product quality, existing Pneumatic press is not
It can solve this problem, plate cannot be positioned well in processing.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the motorcycle accessories processing air pressure with substrate hold-down function that the present invention provides a kind of
Punching machine solves the problems, such as that existing Pneumatic press cannot well position plate.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of motor with substrate hold-down function
Vehicle accessory processing Pneumatic press, including pedestal, the upper surface of the pedestal are fixedly installed with the first vertical plate and second respectively and stand
The upper surface of plate, first vertical plate and the second vertical plate is fixedly connected to upper plate, the fixed peace in the middle part of the upper plate upper surface
Equipped with cylinder, the output end of the cylinder is fixedly connected with push rod, and the bottom end of the push rod is through upper plate to the first vertical plate
And second between vertical plate, module slot is offered in the middle part of the base upper surface, the module slot is internally provided with lower module.
The outer surface fixing sleeve of the push rod is connected to fixed block, and the outer surface of the push rod also movable sleeve is connected to loose collar,
The loose collar is located at the underface of fixed block, and the external fixing sleeve of the loose collar is connected to link block, the outside of the push rod
It is also socketed with spring, for the spring between fixed block and link block, the top of the spring and the lower surface of fixed block are solid
Fixed connection, the bottom end of the spring are fixedly connected with the upper surface of link block, and the left and right sides of the link block are fixed respectively
It is connected with first crossbar and second crossbar, the other end of the first crossbar and the other end of second crossbar have been respectively fixedly connected with
The top of first compression bar and the second compression bar, the bottom of the push rod outer surface are provided with external screw thread, set immediately below the push rod
It is equipped with upper module, screw hole is offered in the middle part of the upper module upper surface, the bottom end of the push rod is threadedly coupled with upper module.
Preferably, the upper surface of the pedestal is also provided with annular groove, and the annular groove is located at the outside of module slot,
The annular groove is internally provided with non-slip mat, and the non-slip mat is rubber pad.
Preferably, the first crossbar and second crossbar lower surface are respectively fixedly connected with the first strut and the second strut
The other end of one end, first strut and the second strut is fixedly connected with the outer surface of loose collar.
Preferably, the medial surface of first vertical plate and the second vertical plate offers first sliding groove and second sliding slot respectively, institute
The left and right sides for stating fixed block are respectively welded the first slide bar and the second slide bar, first slide bar and the second slide bar respectively with
First sliding groove and second sliding slot are slidably connected.
Preferably, first vertical plate and the second vertical plate are to refer to symmetrical, first vertical plate with the central axes of pedestal
It is identical with the size of the second vertical plate.
Preferably, the bottom end of first compression bar and the second compression bar is fixedly installed with sucker, the bottom of the sucker with
The distance of pedestal is the bottom of upper module and the half of pedestal distance.
(3) beneficial effect
The present invention provides a kind of motorcycle accessories processing Pneumatic press with substrate hold-down function has following beneficial to effect
Fruit:
(1), the motorcycle accessories processing Pneumatic press with substrate hold-down function, passes through the outer surface fixing sleeve in push rod
It is connected to fixed block, the medial surface of the first vertical plate and the second vertical plate offers first sliding groove and second sliding slot, a left side for fixed block respectively
Right two sides are respectively welded the first slide bar and the second slide bar, and the first slide bar and the second slide bar are sliding with first sliding groove and second respectively
Slot is slidably connected, and when push rod stretches, the first slide bar and the second slide bar is driven to slide in first sliding groove and second sliding slot respectively,
It can be limited for push rod, so that push rod is always held at movement in vertical direction, be not in that direction of motion bias effect punching machine is normal
The case where work, the upper surface of pedestal are also provided with annular groove, and annular groove is located at the outside of module slot, annular groove it is interior
Portion is provided with non-slip mat, and non-slip mat is rubber pad, when the plate of processing is placed on pedestal, can increase sheet material base and bottom
Frictional force between seat, makes plate be not easy to slide on pedestal.
(2), the motorcycle accessories processing Pneumatic press with substrate hold-down function, passes through the external fixing sleeve in loose collar
It is connected to link block, the outside of push rod is socketed with spring, and spring is between fixed block and link block, the top of spring and fixed block
Lower surface be fixedly connected, the bottom end of spring is fixedly connected with the upper surface of link block, and the left and right sides of link block are solid respectively
Surely it is connected with first crossbar and second crossbar, the other end of first crossbar and the other end of second crossbar have been respectively fixedly connected with
The bottom end of the top of one compression bar and the second compression bar, the first compression bar and the second compression bar is fixedly installed with sucker, the bottom of sucker with
The distance of pedestal is the bottom of upper module and the half of pedestal distance, the meeting when push rod, which is moved downward, carries out punching press to plate
Loose collar is driven to move downwardly together, sucker contacts plate surface first, compress plate, spring contraction, the upper module on push rod
Punching press is carried out to plate, plate can be fixed before carrying out punching press, reduces the impact force generated when punching press to plate position
Influence caused by setting solves the problems, such as that existing Pneumatic press cannot well position plate.
Detailed description of the invention
Fig. 1 is cross-sectional view of the present invention；
Fig. 2 is the structural schematic diagram at A of the present invention；
Fig. 3 is the structural schematic diagram of annular groove of the present invention.
In figure: 1 pedestal, 2 first vertical plates, 3 second vertical plates, 4 upper plates, 5 cylinders, 6 push rods, 7 module slots, 8 lower modules, 9 are consolidated
Determine block, 10 loose collars, 11 link blocks, 12 springs, 13 first crossbars, 14 second crossbars, 15 first compression bars, 16 second compression bars, 17
External screw thread, 18 upper modules, 19 screw holes, 20 annular grooves, 21 non-slip mats, 22 first struts, 23 second struts, 24 first sliding grooves,
25 second sliding slots, 26 first slide bars, 27 second slide bars, 28 suckers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of motorcycle accessories processing use with substrate hold-down function
Pneumatic press, including pedestal 1, the upper surface of pedestal 1 are fixedly installed with the first vertical plate 2 and the second vertical plate 3, the first vertical plate 2 respectively
Symmetrical for reference with the central axes of pedestal 1 with the second vertical plate 3, the first vertical plate 2 is identical with the size of the second vertical plate 3, and first is vertical
The upper surface of plate 2 and the second vertical plate 3 is fixedly connected to upper plate 4, and upper plate is fixedly installed with cylinder 5, cylinder in the middle part of 4 upper surface
5 output end is fixedly connected with push rod 6, and the bottom end of push rod 6 is run through between 4 to the first vertical plate 2 of upper plate and the second vertical plate 3,
Module slot 7 is offered in the middle part of 1 upper surface of pedestal, module slot 7 is internally provided with lower module 8, when processing different accessories, energy
It is enough that lower module 8 is taken out to replacement out of module slot 7, meet the process requirements of different accessories, the upper surface of pedestal 1 is also provided with ring
Connected in star 20, annular groove 20 are located at the outside of module slot 7, and annular groove 20 is internally provided with non-slip mat 21, non-slip mat 21
For rubber pad, non-slip mat 21 can be improved the frictional force between plate and pedestal 1, and when processing to plate, plate will not
Easily slide.
The outer surface fixing sleeve of push rod 6 is connected to fixed block 9, and the medial surface of the first vertical plate 2 and the second vertical plate 3 offers respectively
First sliding groove 24 and second sliding slot 25, the left and right sides of fixed block 9 are respectively welded the first slide bar 26 and the second slide bar 27, the
One slide bar 26 and the second slide bar 27 are slidably connected with first sliding groove 24 and second sliding slot 25 respectively, when push rod 6 stretches, will drive
First slide bar 26 and the second slide bar 27 slide in first sliding groove 24 and second sliding slot 25 respectively, can limit for push rod 6, make to push away
Bar 6 is always held at movement in vertical direction, is not in direction of motion offset and influences the case where punching machine works normally, push rod 6
Outer surface also movable sleeve be connected to loose collar 10, loose collar 10 is located at the underface of fixed block 9, the external fixing sleeve of loose collar 10
It is connected to link block 11, the outside of push rod 6 is also socketed with spring 12, and spring 12 is between fixed block 9 and link block 11, spring 12
Top be fixedly connected with the lower surface of fixed block 9, the bottom end of spring 12 is fixedly connected with the upper surface of link block 11, link block
11 left and right sides have been respectively fixedly connected with first crossbar 13 and second crossbar 14, and loose collar 10 can be slided outside push rod 6
Dynamic, first crossbar 13 and 14 lower surface of second crossbar are respectively fixedly connected with one end of the first strut 22 and the second strut 23, the
The other end of one strut 22 and the second strut 23 is fixedly connected with the outer surface of loose collar 10, the first strut 22 and the second strut
23 can reinforce the intensity of first crossbar 13 and second crossbar 14, be able to bear bigger power without breaking down easily, and
The other end of one cross bar 13 and the other end of second crossbar 14 are respectively fixedly connected with the top of the first compression bar 15 and the second compression bar 16
The bottom end of end, the first compression bar 15 and the second compression bar 16 is fixedly installed with sucker 28, and the bottom of sucker 28 is at a distance from pedestal 1
The bottom of upper module 18 and the half of 1 distance of pedestal can be plate when push rod 6 drives loose collar 10 to move downward
Apply it is downward force tight plate, then push rod 6 continues to move downward, the upward sliding on push rod 6 of loose collar 10, and spring 12 is pressed
Contracting, the upper module 18 and web contact of 6 bottom end of push rod are completed punching press, plate can be fixed before carrying out punching press, reduce
The impact force generated when punching press influence caused by plate position, cannot well plate be carried out by solving existing Pneumatic press
The problem of positioning, the sucker 28 on the first compression bar 15 and the second compression bar 16 first and web contact, are capable of the bottom of 6 outer surface of push rod
Portion is provided with external screw thread 17, and the underface of push rod 6 is provided with upper module 18, and upper module offers screw hole in the middle part of 18 upper surface
19, the bottom end of push rod 6 is threadedly coupled with upper module 18, can be very easily to upper module 18 when processing to different accessories
It is replaced, meets different process requirements.
In use, the plate processed will be needed to be placed on the upper surface of pedestal 1, the position for needing to process on plate and lower module
8 is corresponding, when the running of cylinder 5 pushes push rod 6 to move downward, drives the first slide bar 26 and the second slide bar 27 respectively in first sliding groove 24
It is slided in second sliding slot 25, and loose collar 10 is driven to move downward, the sucker 28 on the first compression bar 15 and the second compression bar 16 is first
Elder generation and web contact, for plate apply it is downward force tight plate, push rod 6 continues to move downward, loose collar 10 on push rod 6 to
Upper sliding, spring 12 compress, and the upper module 18 and web contact of 6 bottom end of push rod complete punching press.
In conclusion this has the motorcycle accessories processing Pneumatic press of substrate hold-down function, by the outer surface of push rod 6
Fixing sleeve is connected to fixed block 9, and the medial surface of the first vertical plate 2 and the second vertical plate 3 offers first sliding groove 24 and second sliding slot respectively
25, the left and right sides of fixed block 9 are respectively welded the first slide bar 26 and the second slide bar 27, the first slide bar 26 and the second slide bar 27
It is slidably connected respectively with first sliding groove 24 and second sliding slot 25, when push rod 6 stretches, drives the first slide bar 26 and the second slide bar 27
It is slided in first sliding groove 24 and second sliding slot 25 respectively, can be limited for push rod 6, push rod 6 is made to be always held at vertical direction
Movement is not in the case where direction of motion bias effect works normally, and the upper surface of pedestal 1 is also provided with annular groove 20,
Annular groove 20 is located at the outside of module slot 7, and annular groove 20 is internally provided with non-slip mat 21, and non-slip mat 21 is rubber pad,
When the plate of processing is placed on pedestal 1, the frictional force between sheet material base and pedestal can be increased, be not easy plate the bottom of at
It is slided on seat.
The motorcycle accessories processing Pneumatic press with substrate hold-down function, by being fixedly attached in the outside of loose collar 10
There is link block 11, the outside of push rod 6 is socketed with spring 12, and spring 12 is between fixed block 9 and link block 11, the top of spring 12
End is fixedly connected with the lower surface of fixed block 9, and the bottom end of spring 12 is fixedly connected with the upper surface of link block 11, link block 11
Left and right sides have been respectively fixedly connected with first crossbar 13 and second crossbar 14, the other end and second crossbar 14 of first crossbar 13
The other end be respectively fixedly connected with the top of the first compression bar 15 and the second compression bar 16, the bottom of the first compression bar 15 and the second compression bar 16
End is fixedly installed with sucker 28, and the bottom of sucker 28 is the bottom and the two of 1 distance of pedestal of upper module 18 at a distance from pedestal 1
/ mono-, it will drive loose collar 10 when push rod 6, which is moved downward, carries out punching press to plate and move downwardly together, sucker 28 connects first
Plate surface is touched, plate, spring contraction are compressed, the upper module 18 on push rod 6 carries out punching press to plate, can be before carrying out punching press
Plate is fixed, the impact force influence caused by plate position generated when punching press is reduced, solves existing Pneumatic press
The problem of plate cannot being positioned well.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ", the electricity occurred in this article
Device element is electrically connected with extraneous main controller and 220V alternating current, and main controller can play the routine of control for computer etc.
Know equipment.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of motorcycle accessories processing Pneumatic press with substrate hold-down function, including pedestal (1), the pedestal (1) it is upper
Surface is fixedly installed with the first vertical plate (2) and the second vertical plate (3), the upper table of first vertical plate (2) and the second vertical plate (3) respectively
Face is fixedly connected to upper plate (4), it is characterised in that: is fixedly installed with cylinder (5), institute in the middle part of upper plate (4) upper surface
The output end for stating cylinder (5) is fixedly connected with push rod (6), and the bottom end of the push rod (6) is through upper plate (4) to the first vertical plate
(2) between the second vertical plate (3), offered module slot (7) in the middle part of pedestal (1) upper surface, the module slot (7) it is interior
Portion is provided with lower module (8)；
The outer surface fixing sleeve of the push rod (6) is connected to fixed block (9), and the outer surface also movable sleeve of the push rod (6) is connected to work
Rotating ring (10), the loose collar (10) are located at the underface of fixed block (9), and the external fixing sleeve of the loose collar (10) is connected to company
It connects block (11), the outside of the push rod (6) is also socketed with spring (12), and the spring (12) is located at fixed block (9) and link block
(11) between, the top of the spring (12) is fixedly connected with the lower surface of fixed block (9), the bottom end of the spring (12) and company
The upper surface for connecing block (11) is fixedly connected, and the left and right sides of the link block (11) have been respectively fixedly connected with first crossbar (13)
With second crossbar (14), the other end of the first crossbar (13) and the other end of second crossbar (14) have been respectively fixedly connected with
The bottom on the top of one compression bar (15) and the second compression bar (16), push rod (6) outer surface is provided with external screw thread (17), described to push away
It is provided with immediately below bar (6) upper module (18), is offered screw hole (19) in the middle part of upper module (18) upper surface, it is described to push away
The bottom end of bar (6) is threadedly coupled with upper module (18).
2. a kind of motorcycle accessories processing Pneumatic press with substrate hold-down function according to claim 1, feature exist
In: the upper surface of the pedestal (1) is also provided with annular groove (20), and the annular groove (20) is located at the outer of module slot (7)
Side, the annular groove (20) are internally provided with non-slip mat (21), and the non-slip mat (21) is rubber pad.
3. a kind of motorcycle accessories processing Pneumatic press with substrate hold-down function according to claim 1, feature exist
In: the first crossbar (13) and second crossbar (14) lower surface have been respectively fixedly connected with the first strut (22) and the second strut
(23) other end of one end, first strut (22) and the second strut (23), which is fixed with the outer surface of loose collar (10), to be connected
It connects.
4. a kind of motorcycle accessories processing Pneumatic press with substrate hold-down function according to claim 1, feature exist
In: the medial surface of first vertical plate (2) and the second vertical plate (3) offers first sliding groove (24) and second sliding slot (25) respectively,
The left and right sides of the fixed block (9) are respectively welded the first slide bar (26) and the second slide bar (27), first slide bar
(26) it is slidably connected respectively with first sliding groove (24) and second sliding slot (25) with the second slide bar (27).
5. a kind of motorcycle accessories processing Pneumatic press with substrate hold-down function according to claim 1, feature exist
It with the central axes of pedestal (1) is to refer to symmetrical, first vertical plate (2) in: first vertical plate (2) and the second vertical plate (3)
It is identical with the size of the second vertical plate (3).
6. a kind of motorcycle accessories processing Pneumatic press with substrate hold-down function according to claim 1, feature exist
In: the bottom end of first compression bar (15) and the second compression bar (16) is fixedly installed with sucker (28), the bottom of the sucker (28)
Portion is the bottom of upper module (18) and the half of pedestal (1) distance at a distance from pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476047.5A CN109985980A (en) | 2017-12-29 | 2017-12-29 | A kind of motorcycle accessories processing Pneumatic press with substrate hold-down function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476047.5A CN109985980A (en) | 2017-12-29 | 2017-12-29 | A kind of motorcycle accessories processing Pneumatic press with substrate hold-down function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109985980A true CN109985980A (en) | 2019-07-09 |
Family
ID=67108781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711476047.5A Pending CN109985980A (en) | 2017-12-29 | 2017-12-29 | A kind of motorcycle accessories processing Pneumatic press with substrate hold-down function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109985980A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111790818A (en) * | 2020-07-24 | 2020-10-20 | 黄笃莲 | Stamping die is used in part production |
| CN113231565A (en) * | 2021-06-21 | 2021-08-10 | 芜湖常瑞汽车部件有限公司 | Automobile parts punching press locating device |
| CN113319166A (en) * | 2021-06-04 | 2021-08-31 | 段强华 | Bridge side pipe bending equipment for municipal administration |
| CN115106422A (en) * | 2022-07-14 | 2022-09-27 | 南通长源重工机械有限公司 | Stamping device with pre-positioning function |
-
2017
- 2017-12-29 CN CN201711476047.5A patent/CN109985980A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111790818A (en) * | 2020-07-24 | 2020-10-20 | 黄笃莲 | Stamping die is used in part production |
| CN113319166A (en) * | 2021-06-04 | 2021-08-31 | 段强华 | Bridge side pipe bending equipment for municipal administration |
| CN113231565A (en) * | 2021-06-21 | 2021-08-10 | 芜湖常瑞汽车部件有限公司 | Automobile parts punching press locating device |
| CN115106422A (en) * | 2022-07-14 | 2022-09-27 | 南通长源重工机械有限公司 | Stamping device with pre-positioning function |
| CN115106422B (en) * | 2022-07-14 | 2024-05-14 | 南通长源重工机械有限公司 | Stamping device with predetermined function |
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Application publication date: 20190709 |