CN107838276A - A kind of centrifugal pump casing opposite opened punching die - Google Patents
A kind of centrifugal pump casing opposite opened punching die Download PDFInfo
- Publication number
- CN107838276A CN107838276A CN201711147844.9A CN201711147844A CN107838276A CN 107838276 A CN107838276 A CN 107838276A CN 201711147844 A CN201711147844 A CN 201711147844A CN 107838276 A CN107838276 A CN 107838276A
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- cavity plate
- centrifugal pump
- pump casing
- punching die
- plate
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- 238000004080 punching Methods 0.000 title claims abstract description 50
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 108700003486 Jagged-1 Proteins 0.000 description 1
- 102100032702 Protein jagged-1 Human genes 0.000 description 1
- 108700037966 Protein jagged-1 Proteins 0.000 description 1
- 102100032733 Protein jagged-2 Human genes 0.000 description 1
- 101710170213 Protein jagged-2 Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a kind of centrifugal pump casing opposite opened punching die, belong to field of mechanical technique.It solves the problems, such as that existing punching die can not be punched out to the flange of centrifugal pump casing.This centrifugal pump casing opposite opened punching die; including bottom plate, upper module and the lower module being arranged on bottom plate; lower module includes left cavity plate, right cavity plate and drive device; left cavity plate or/and right cavity plate are slidably arranged on bottom plate and drive lower module die sinking or matched moulds by drive device; left cavity plate and right cavity plate matched moulds have circular opening at present on module; be open lower section left cavity plate and right cavity plate between there is the receiving space of open communication, offer several through holes along the circumference of the opening on the end face of opening.The structure solves traditional punching die and do not possessed is punched out problem to the flange of centrifugal pump casing, greatly improves the processing efficiency of the connecting hole on flange.
Description
Technical field
The invention belongs to field of mechanical technique, is related to a kind of punching die, particularly a kind of centrifugal pump casing opposite opened
Punching die.
Background technology
Punching press is to utilize the mould being arranged on forcing press to apply pressure to material, it is produced separation or plastic deformation,
So as to obtain required part.Punching die is a kind of diel for being punched out to workpiece, has generally comprised module
With lower module, workpiece is placed on lower module during punching, by the cavity plate on the punching pin on upper module and lower module to workpiece
It is punched out.
As shown in specification book accompanying drawing Fig. 6, centrifugal pump casing 15 is cylinder, the outer peripheral face side of centrifugal pump casing 1
Middle part has the bulge 16 of radially evagination, and the upper end of centrifugal pump casing 15 has flange 16, circumferentially offered on flange 16
Several connecting holes 19, the outer end of flange 16 have vertical side 18, and the hole traditional approach of connecting hole 19 is by flange
Come what is obtained, the processing efficiency of connecting hole 19 on flange is low for upper drilling.
At present, Chinese patent net discloses a kind of punching die (application number：201310682022.6), including upper module and
Lower module, upper module include upper bolster, punch fixing plate and punching pin, and the punch fixing plate is arranged on the lower surface of upper bolster,
The punching pin group is located on punch fixing plate, and lower module includes die shoe, lower bolster and peace installed in die shoe upper surface
Cavity plate on lower bolster, the punching pin include the punching pin body to match with the die cavity of cavity plate, and the punching pin enters block and punching
This sub body by integral forming.If the die cavity of cavity plate matches with centrifugal pump casing, because the presence of bulge causes centrifugal pump pump
Shell can not be encased in the die cavity of cavity plate, if the die cavity of cavity plate enables centrifugal pump casing to be encased in cavity plate more than centrifugal pump pump
Die cavity in when, centrifugal pump casing can die cavity inner circumferential rotate and radial deflection, the punching to flange cause huge shadow
Ring, therefore, the punching die of the structure can not be punched out to the flange of centrifugal pump casing.
The content of the invention
The purpose of the present invention is above mentioned problem be present for existing technology, it is proposed that a kind of centrifugal pump casing opposite opened
Punching die, present invention solves the technical problem that being：How to realize and the flange on centrifugal pump casing is punched out.
The purpose of the present invention can be realized by following technical proposal：A kind of centrifugal pump casing opposite opened punching die,
Including bottom plate, upper module and the lower module being arranged on bottom plate, it is characterised in that the lower module includes left cavity plate, right cavity plate
And drive device, the left cavity plate or/and right cavity plate are slidably arranged on bottom plate and drive lower module to mold by drive device
Or matched moulds, the left cavity plate and right cavity plate matched moulds have a circular opening at present on module, left cavity plate below the opening and
There is the receiving space of open communication between right cavity plate, offer several along the circumference of the opening on the end face of the opening
Through hole.
The present invention operation principle be：The left cavity plate and right cavity plate opening on lower module are driven by drive device, it is left recessed
Mould and right cavity plate, which are opened, is to a certain extent afterwards placed into centrifugal pump casing between left cavity plate and right cavity plate, centrifugal pump casing upper end
The lower surface of flange be resisted against on left cavity plate and right cavity plate upper surface, then pass through the left cavity plate on the lower module of drive device driving
With right cavity plate matched moulds, now, the side wall of opening is bonded with the outer peripheral face of the upper end of centrifugal pump casing, and centrifugal pump casing is located at opening
Downside is partially received in the space formed between left cavity plate and right cavity plate, and the flange on centrifugal pump casing covers through hole,
The structure enables centrifugal pump casing, and by module under firm being positioned at, upper module is pressed in centrifugation under the driving of forcing press
On the flange of pump pump case, upper module and through hole are punched out with merging to flange, and waste material caused by punching is discharged from through hole, are improved
Connecting hole processing efficiency on flange.
In a kind of above-mentioned centrifugal pump casing with opposite opened punching die, the left cavity plate and right cavity plate, which include, to be set
Put base on bottom plate and be fixed on the concave template of base upper end, the side on the concave template opens up jagged one, described
Through hole is opened on concave template, and when the left cavity plate and right cavity plate matched moulds, two concave templates are leant and the combination of two breach one is formed
Described opening.The cross section of breach one is semicircle, and two concave templates lean so that two semicircular breach one during matched moulds
Form circular open.
In a kind of above-mentioned centrifugal pump casing with opposite opened punching die, the side on the base opens up jagged
Two, when the left cavity plate and right cavity plate matched moulds, two bases lean and the combination formation of two breach two can accommodate centrifugal pump casing
Die cavity, the diameter of the die cavity is more than the diameter of opening, and the through hole is connected with die cavity.The through hole of the structure and die cavity phase
Connection causes scrap caused by punching to fall on the bottom plate in die cavity, all round closure of the die cavity, avoids scrap the four of mould
Week is scattered, and realizes the centralized collection to scrap.
In a kind of above-mentioned centrifugal pump casing with opposite opened punching die, the upper surface of the bottom plate corresponds to two bases
The place of leaning offers chip area.Because scrap falls on bottom plate caused by punch process, when left cavity plate and right cavity plate matched moulds,
When between scrap is stuck in two bases against place so that gap be present between two concave templates between two bases, be open
It can not completely close, cause flange can not cover all through hole, influence the punching of flange, after chip area is set, two bases
Scrap between leaning is dropped into chip area, avoid scrap be stuck in two bases lean between situation.
In a kind of above-mentioned centrifugal pump casing with opposite opened punching die, the row of offering on the bottom plate below the opening
Consider hole to be worth doing.Fallen due to scrap caused by punch process on the bottom plate in die cavity, directly can led to the scrap fallen in plate upper surface
Chip-removal hole discharge is crossed, it is convenient that scrap on bottom plate in die cavity is cleared up.
In a kind of above-mentioned centrifugal pump casing with opposite opened punching die, the upper module includes upper bolster, positioned at upper
The elastic component of stripper, connection upper bolster and stripper below die holder and several punchings being fixed on upper bolster lower surface
Head, the middle part of the stripper lower surface have a boss of cylinder, several drifts circumferentially and through boss and with
Through hole corresponds.In actual punch process, upper module is arranged on forcing press by upper bolster, the upper module of forcing press driving to
Lower movement causes cylindrical boss to be pressed on flange, and cylindrical boss ensures rushing to the further positioning of centrifugal pump casing
Do not rotated during pressure；Under the driving of forcing press, upper bolster overcomes the active force of elastic component to continue to move down, and drives
Drift continues traveling downwardly to be punched out to flange.
In a kind of above-mentioned centrifugal pump casing with opposite opened punching die, the elastic component is rubber column and circumferentially cloth
It is equipped with two or more.Elastic component can also be spring.
In a kind of above-mentioned centrifugal pump casing with opposite opened punching die, if being fixed with the lower surface of the upper bolster
Dry the first guide rod, the upper surface of the left cavity plate and the upper surface of right cavity plate offer the first pilot hole, and the left side is recessed
The first pilot hole and the first guide rod correspond when mould and right cavity plate matched moulds.During the upper module of forcing press driving is descending,
First guide rod is initially inserted into the first pilot hole, and the structure plays a part of guiding to the descending of upper module, ensure drift with
Through hole can be accurately aligned.
In a kind of above-mentioned centrifugal pump casing with opposite opened punching die, the drive device includes screw mandrel, is fixed on
Handwheel on screw mandrel left end and the nut block for being fixed on bottom plate and being spirally connected with screw mandrel, it is fixed with the lateral wall of the left cavity plate
Contiguous block, right-hand member and the contiguous block of the screw mandrel are connected, the second pilot hole offered in the horizontal direction on the left cavity plate, institute
State the second guide rod for being fixed with and being extended in the second pilot hole on right cavity plate.The structure by handwheel come rotary screw rod, and then
Drive left cavity plate to be moved axially along screw mandrel, realize die sinking or the matched moulds of left cavity plate and right cavity plate.Inventive drive means may be used also
To drive the die sinking of left cavity plate and right cavity plate or matched moulds by hydraulic mechanism or cam mechanism or Slanted slide block mechanism.
Compared with prior art, centrifugal pump casing opposite opened punching die of the invention has advantages below：Pass through drive
Centrifugal pump casing is positioned on lower module by dynamic device to drive the mode of left cavity plate and the die sinking of right cavity plate and matched moulds to facilitate, then is led to
Cross module to be punched out the flange of centrifugal pump casing, the structure solves traditional punching die and do not possessed to centrifugal pump casing
Flange be punched out problem, greatly improve the processing efficiency of the connecting hole on flange.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the cross-sectional view of the present invention.
Fig. 3 is the dimensional structure diagram for shedding module of the present invention.
Fig. 4 is the dimensional structure diagram of the right cavity plate of the present invention.
Fig. 5 is the dimensional structure diagram of the upper module of the present invention.
Fig. 6 is the dimensional structure diagram of centrifugal pump casing.
In figure, 1, bottom plate；2nd, upper module；3rd, lower module；4th, it is open；5th, through hole；6th, base；7th, concave template；8th, die cavity；9、
Chip area；10th, chip-removal hole；11st, the first guide rod；12nd, the first pilot hole；13rd, contiguous block；14th, the second guide rod；15th, centrifuge
Pump pump case；16th, bulge；17th, flange；18th, side；19th, connecting hole；20th, upper bolster；21st, stripper；22nd, elastic component；23、
Drift；30th, left cavity plate；31st, right cavity plate；32nd, drive device；60th, breach two；70th, breach one；21a, boss；32a, screw mandrel；
32b, handwheel；32c, nut block.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
As depicted in figs. 1 and 2, including bottom plate 1, upper module 2 and the lower module 3 being arranged on bottom plate 1, the lower module 3
Including left cavity plate 30, right cavity plate 31 and drive device 32, the left cavity plate 30 is slidably arranged on bottom plate 1 and passes through drive device
Left cavity plate 30 is realized in the left movement of cavity plate 30 of 32 drivings and right cavity plate 31 molds or matched moulds, when left cavity plate 30 and right 31 matched moulds of cavity plate
There is circular open 4 on lower module 3, there is receiving space between the left cavity plate 30 and right cavity plate 31 of the lower section of opening 4, it is described
On the end face of opening 4 several through holes 5 are offered along the circumference of the opening 4.
Specifically, as shown in Fig. 3, Fig. 4 and Fig. 6, the left cavity plate 30 and right cavity plate 31, which include, is arranged on bottom plate 1
On base 6 and be fixed on the concave template 7 of the upper end of base 6, the side on the concave template 7 opens up jagged 1, described logical
Hole 5 is opened on concave template 7, and when the left cavity plate 30 and right 31 matched moulds of cavity plate, two concave templates 7 lean and one 70 groups of two breach
Close and form described opening 4；Side on the base 6 opens up jagged 2 60, the left cavity plate 30 and the matched moulds of right cavity plate 31
When, two bases 6 lean and the combination of two breach 2 60 forms the die cavity 8 that can accommodate centrifugal pump casing, the diameter of the die cavity 8
More than the diameter of opening 4, the opening 4 and through hole 5 are connected with die cavity 8.During flange punching to centrifugal pump casing, first lead to
Over-driving device 32 drives left cavity plate 30 to move so that opening 4 and die cavity 8 are opened, and opening 4 and die cavity 8 are opened to a certain degree
Centrifugal pump casing 15 is placed between left cavity plate 30 and right cavity plate 31 afterwards, drive device 32 drives the left movement of cavity plate 30 so that opening
Mouth 4 and die cavity 8 close, i.e., left cavity plate 30 and the matched moulds of right cavity plate 31, and now centrifugal pump casing 15 is located at the die cavity 8 of the lower section of opening 4
Interior, the lower surface of the flange 17 of centrifugal pump casing 15 is resisted against on the upper surface of concave template 7, and flange 17 covers through hole 5.
As shown in Figure 5 and Figure 6, the upper module 2 includes upper bolster 20, the stripper 21 positioned at the lower section of upper bolster 20, connected
Several drifts 23 for connecting the elastic component 22 of die holder 20 and stripper 21 and being fixed on the lower surface of upper bolster 20, the elasticity
Part 22 is rubber column and circumferentially has two or more, and the middle part of the lower surface of stripper 21 has the boss of cylinder
21a, several drifts 23 are solid on the lower surface of upper bolster 20 circumferentially and through boss 21a and being corresponded with through hole 5
Surely there are several the first guide rods 11, the upper surface of the left cavity plate 30 and the upper surface of right cavity plate 31 offer the first guiding
Hole 12, the first pilot hole 12 corresponds with the first guide rod 11 when the left cavity plate 30 and right 31 matched moulds of cavity plate.Forcing press drives
Dynamic upper module 2 is descending, and the first guide rod 11, which is inserted into the first pilot hole 12, causes the aligned through holes 5 of drift 23, under boss 21a
End is resisted against on the lower surface of stripper 21 upper end of side 18 while be pressed on 17 upper surface of flange, and the structure is by centrifugal pump
Pump case 15 is positioned on lower module 3, ensures that centrifugal pump casing 15 does not rotate during punching, improves the stabilization of punching
Property, after boss 21a lower end is pressed on 17 upper surface of flange, forcing press driving upper bolster 20 is descending so that drift 23 is from convex
Platform 21a stretch out is pressed on flange 17, drift 23 coordinates with through hole 5 to be punched out to flange 17, waste material caused by punching from lead to
Hole 5 falls on the bottom plate 1 in die cavity 8, avoids scrap from being scattered in mould surrounding, convenient to carry out centralized collection to scrap.
As shown in Figure 3 and Figure 4, the corresponding place of leaning of two base 6 in the upper surface of the bottom plate 1 offers chip area 9, avoids
Scrap is stuck in the place that leans of two bases 6, ensures that two bases 6 can be brought into close contact during matched moulds；The bottom plate 1 of the lower section of opening 4
On offer chip-removal hole 10, the scrap in die cavity 8 can discharge from chip-removal hole 10.
As depicted in figs. 1 and 2, the drive device 32 includes screw mandrel 32a, the handwheel 32b being fixed on screw mandrel 32a left ends
With the nut block 32c for being fixed on bottom plate 1 and being spirally connected with screw mandrel 32a, contiguous block is fixed with the lateral wall of the left cavity plate 30
13, the screw mandrel 32a right-hand member are connected with contiguous block 13, and second offered in the horizontal direction on the left cavity plate 30 is oriented to
Hole, the second guide rod 14 extended in the second pilot hole is fixed with the right cavity plate 31.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more used herein bottom plate 1, upper module 2, lower module 3, opening 4, through hole 5, base 6, concave template 7,
Die cavity 8, chip area 9, chip-removal hole 10, the first guide rod 11, the first pilot hole 12, contiguous block 13, the second guide rod 14, centrifugal pump
Pump case 15, bulge 16, flange 17, side 18, connecting hole 19, upper bolster 20, stripper 21, elastic component 22, drift 23, a left side are recessed
Mould 30, right cavity plate 31, drive device 32, breach 2 60, breach 1, boss 21a, screw mandrel 32a, handwheel 32b, nut block 32c
Deng term, but it is not precluded from the possibility using other terms.Conciliate using these terms just for the sake of more easily description
Release the essence of the present invention；Any additional limitation is construed as all to disagree with spirit of the present invention.
Claims (9)
1. a kind of centrifugal pump casing opposite opened punching die, including bottom plate (1), upper module (2) and it is arranged on bottom plate (1)
Lower module (3), it is characterised in that the lower module (3) includes left cavity plate (30), right cavity plate (31) and drive device (32), institute
State left cavity plate (30) or/and right cavity plate (31) is slidably arranged on bottom plate (1) and drives lower module (3) by drive device (32)
Die sinking or matched moulds, the left cavity plate (30) and right cavity plate (31) matched moulds have circular opening (4) at present on module (3), described
There is the receiving space of open communication, the end of the opening (4) between left cavity plate (30) and right cavity plate (31) below opening (4)
On face several through holes (5) are offered along the circumference of the opening (4).
A kind of 2. centrifugal pump casing opposite opened punching die according to claim 1, it is characterised in that the left cavity plate
(30) and right cavity plate (31) includes the base (6) being arranged on bottom plate (1) and the concave template for being fixed on base (6) upper end
(7), the side on the concave template (7) opens up jagged one (70), and the through hole (5) is opened on concave template (7), the left side
When cavity plate (30) and right cavity plate (31) matched moulds, two concave templates (7) lean and the combination of two breach one (70) forms described opening
(4)。
A kind of 3. centrifugal pump casing opposite opened punching die according to claim 2, it is characterised in that the base
(6) when the side on opens up jagged two (60), the left cavity plate (30) and right cavity plate (31) matched moulds, two bases (6) lean
And two breach two (60) combination formed and can accommodate the die cavity (8) of centrifugal pump casing, the diameter of the die cavity (8) is more than opening
(4) diameter, the through hole (5) are connected with die cavity (8).
A kind of 4. centrifugal pump casing opposite opened punching die according to claim 3, it is characterised in that the bottom plate
(1) corresponding two bases (6) place of leaning in upper surface offers chip area (9).
5. a kind of centrifugal pump casing opposite opened punching die according to Claims 2 or 3 or 4, it is characterised in that described
Chip-removal hole (10) is offered on bottom plate (1) below opening (4).
A kind of 6. centrifugal pump casing opposite opened punching die according to claim any one of 1-4, it is characterised in that institute
Stating module (2) includes upper bolster (20), the stripper (21) below upper bolster (20), connection upper bolster (20) and discharging
The elastic component (22) of plate (21) and several drifts (23) being fixed on upper bolster (20) lower surface, under the stripper (21)
The middle part on surface has the boss (21a) of cylinder, and several drifts (23) are circumferentially and through boss (21a) and with leading to
Hole (5) corresponds.
A kind of 7. centrifugal pump casing opposite opened punching die according to claim 6, it is characterised in that the elastic component
(22) there is for rubber column and circumferentially a two or more.
A kind of 8. centrifugal pump casing opposite opened punching die according to claim 6, it is characterised in that the upper bolster
(20) it is fixed with several the first guide rods (11) on lower surface, the upper surface of the left cavity plate (30) and right cavity plate (31)
When upper surface offers the first pilot hole (12), the left cavity plate (30) and right cavity plate (31) matched moulds the first pilot hole (12) with
First guide rod (11) corresponds.
A kind of 9. centrifugal pump casing opposite opened punching die according to claim any one of 1-4, it is characterised in that institute
Stating drive device (32) includes screw mandrel (32a), the handwheel (32b) being fixed on screw mandrel (32a) left end and is fixed on bottom plate (1)
And the nut block (32c) being spirally connected with screw mandrel (32a), contiguous block (13) is fixed with the lateral wall of the left cavity plate (30), it is described
The right-hand member of screw mandrel (32a) is connected with contiguous block (13), the second pilot hole offered in the horizontal direction on the left cavity plate (30),
The second guide rod (14) extended in the second pilot hole is fixed with the right cavity plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147844.9A CN107838276A (en) | 2017-11-17 | 2017-11-17 | A kind of centrifugal pump casing opposite opened punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147844.9A CN107838276A (en) | 2017-11-17 | 2017-11-17 | A kind of centrifugal pump casing opposite opened punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107838276A true CN107838276A (en) | 2018-03-27 |
Family
ID=61678842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711147844.9A Pending CN107838276A (en) | 2017-11-17 | 2017-11-17 | A kind of centrifugal pump casing opposite opened punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107838276A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091734A (en) * | 2010-11-10 | 2011-06-15 | 吴江巨丰电子有限公司 | Punching lower die |
| CN201906788U (en) * | 2011-01-27 | 2011-07-27 | 重庆理工大学 | Vertical parting casting mould |
| CN203124623U (en) * | 2013-03-08 | 2013-08-14 | 江苏润扬重工有限公司 | Assembling die for producing large ball valves through die forging |
| CN203316568U (en) * | 2013-05-15 | 2013-12-04 | 恩比贝克飞虹汽车零部件(四川)有限公司 | Shaft sleeve side punching multi-hole die |
| CN103495670A (en) * | 2013-09-03 | 2014-01-08 | 苏州市亿特隆电器有限公司 | Self-locking and supporting mechanism for barrel forming die |
| CN203936245U (en) * | 2014-04-30 | 2014-11-12 | 安徽铖友汽车零部件制造有限公司 | The special-shaped lightening hole thermal stamping die of a kind of band bar portion's flange |
| CN106694691A (en) * | 2016-11-17 | 2017-05-24 | 中山市毅马五金有限公司 | Combined mold |
| CN207431029U (en) * | 2017-11-17 | 2018-06-01 | 浙江同心力机电科技有限公司 | A kind of centrifugal pump casing opposite opened punching die |
-
2017
- 2017-11-17 CN CN201711147844.9A patent/CN107838276A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091734A (en) * | 2010-11-10 | 2011-06-15 | 吴江巨丰电子有限公司 | Punching lower die |
| CN201906788U (en) * | 2011-01-27 | 2011-07-27 | 重庆理工大学 | Vertical parting casting mould |
| CN203124623U (en) * | 2013-03-08 | 2013-08-14 | 江苏润扬重工有限公司 | Assembling die for producing large ball valves through die forging |
| CN203316568U (en) * | 2013-05-15 | 2013-12-04 | 恩比贝克飞虹汽车零部件(四川)有限公司 | Shaft sleeve side punching multi-hole die |
| CN103495670A (en) * | 2013-09-03 | 2014-01-08 | 苏州市亿特隆电器有限公司 | Self-locking and supporting mechanism for barrel forming die |
| CN203936245U (en) * | 2014-04-30 | 2014-11-12 | 安徽铖友汽车零部件制造有限公司 | The special-shaped lightening hole thermal stamping die of a kind of band bar portion's flange |
| CN106694691A (en) * | 2016-11-17 | 2017-05-24 | 中山市毅马五金有限公司 | Combined mold |
| CN207431029U (en) * | 2017-11-17 | 2018-06-01 | 浙江同心力机电科技有限公司 | A kind of centrifugal pump casing opposite opened punching die |
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