CN106623594B - Punching press synchronous deburring equipment - Google Patents
Punching press synchronous deburring equipment Download PDFInfo
- Publication number
- CN106623594B CN106623594B CN201611084607.8A CN201611084607A CN106623594B CN 106623594 B CN106623594 B CN 106623594B CN 201611084607 A CN201611084607 A CN 201611084607A CN 106623594 B CN106623594 B CN 106623594B
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- burr
- sliding block
- punching press
- formed punch
- punching
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Classifications
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- 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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
-
- 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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a kind of punching press synchronous deburring equipment, it is related to removing the device of scrap (bridge) and burr in hardware manufacture field；Punching press synchronous deburring equipment includes the upper die and lower die in the progressive die, and upper mold is equipped with formed punch；Mold insert group is provided in lower die, mold insert group includes cavity plate sliding block, slide block pad, inclined wedge；Punching working hole is offered on cavity plate sliding block, is punched the upper end burr step of working hole, and the upper surface of burr step is equipped with the chamfering of deburring；Formed punch includes clip formed punch and inclined wedge formed punch.Improvement of the invention is that the lower end of clip formed punch is equipped with several mounting holes, is equipped with electromagnetic heater in mounting hole；It is equipped with cooling channel in burr step, and there is temperature-reducing medium to flow through cooling channel；When being punched to workpiece completion, the edge of work can be heated simultaneously, when deburring again can fast cooling, can more thorough place to go burr by the heat treatment.
Description
Technical field
The present invention relates to the devices that scrap (bridge) and burr are removed in hardware manufacture field, and in particular to a kind of punching press synchronization unhairing
Pierce equipment.
Background technique
Common Sheet Metal Forming Technology is inevitably all jagged, although impulse- free robustness Sheet Metal Forming Technology, fine blanking technology are succeeded in developing, but
So far not yet enter the universal practical stage.So far, various sheet metal stamping process refer mainly to metal plate punching process, mostly
Belong to jagged punching press, therefore is essential process for some stamping parts deburrings.Current industrial stamping parts is gone
Although there are many kinds of burr techniques, mechanical epilation is mostly used to pierce method, and deburring action process and principle, the scope of application greatly
Etc. different.
The method of existing frequently-used deburring includes: manual deburring, roller deburring, vibration finishing deburring and grinding
Deburring.
Manual deburring is manually to remove the dirt of stamping parts rust and hair using tools such as wire brush, file, scraper, grinding wheels
Thorn.Because of large labor intensity, low efficiency, at high cost, it is only applicable to the stamping parts of single-piece, small lot production.Roller deburring is punching
Casting die is to develop on the basis of forging has abrasive roller removing surface technique through roller debarring process, can not only be gone
It is dirty can also to remove surface rust for burr, periphery chamfered edge.Vibration finishing deburring is a kind of vibration grinding process, can not only be by workpiece
The dirt on surface is become rusty cleared, burnishes, and can be except deburring and by periphery chamfered edge.Grinding deburring is with grinding wheel or abrasive band pair
Stamping carries out flat surface grinding, and usually used has sbrasive belt grinding deburring machine, transmission belt grinding deburring machine etc..
The method of above-mentioned deburring is all using deburring as a kind of individual manufacturing procedure, so that punching press adds
Work increased costs, and processing efficiency reduces.Although can easily remove flash removed in the existing hardware progressive die, connection is produced
The scrap (bridge) interface of product goes flash removed extremely difficult, because scrap (bridge) is always that process can just be thrust connection workpiece to the end, thrusts
Subsequent processing cannot be generally carried out in this mold afterwards and removes flash removed, usually need remove flash removed by additional work, or in addition
Increase the process that flash removed is removed in punching press, to improve manufacturing cost.And increases punching press and go the process of flash removed for single punching
Pressure, it is necessary to which manual operation taking and placing workpiece, inefficiency, safety do not ensure.
A kind of synchronous punching scrap (bridge) of the progressive die is disclosed application No. is 201010219896.4 Chinese patent and removes defeathering
The device of thorn.It is that clip is arranged the mold insert group that can horizontally slip at the final punching of the progressive die, and mold insert group includes can be
The cavity plate sliding block that cross shifting is carried out in concave template, the slide block pad being nested in lower bolster, can be slided along slide block pad up and down
The lower end surface of floating slider and the inclined wedge that can be moved vertically up and down, the upper surface of slide block pad and the sliding block that floats up and down is sliding
The inclined-plane of cooperation；Punching working hole is offered on cavity plate sliding block, the upper end for being punched working hole is provided with the burr projecting inward to hole
Step, burr step side are equipped with chamfering.Scrap (bridge), which cannot be removed, it solves the progressive die even expects that the burr finally left is asked
Topic, punching can be completed and scrap (bridge) and remove flash removed by being rushed workpiece and once position, save artificial removal's burr or with list stage die
Tool goes the cost of flash removed, substantially increases production efficiency and product quality.The method that device in the patent removes flash removed is
Scrap (bridge) even material is suppressed by burr step, makes to be punched edge formation chamfering, to achieve the purpose that flash removed；But by
Belong to cold work in the processing scheme, i.e. the burr at scrap (bridge) even material edge is not removed, but be deformed from
And merge burr with workpiece, therefore the processing method can make scrap (bridge) even expect that occurring stress at the chamfering being pressed out concentrates now
As the workpiece is in use with the variation of workpiece surface stress, and after stress concentration phenomenon is eliminated, burr will be from workpiece table
Emaciated face is from so that burr occurs again.
Summary of the invention
The purpose of the present invention is to provide a kind of punching press synchronous deburring equipment, are concentrated with solving above-mentioned burr in stress
It can the problem again after elimination.
In order to achieve the above objectives, base case of the invention is as follows:
Punching press synchronous deburring equipment includes the upper die and lower die in the progressive die, and upper mold is equipped with formed punch, and lower die is equipped with
Concave template, lower bolster and lower die holder, mold insert group is provided in lower die, and mold insert group is equipped with the punching working hole of blanking scrap (bridge)
With the chamfering of deburring, mold insert group includes that can carry out the cavity plate sliding block of cross shifting in concave template, be nested in lower bolster
Slide block pad, float up and down sliding block and the inclined wedge that can be moved vertically up and down that can be slided along slide block pad, the upper end of slide block pad
Face and the lower end surface for the sliding block that floats up and down are the inclined-plane being slidably matched；Punching working hole is offered on cavity plate sliding block, is punched work
The upper end in hole is provided with the burr step projecting inward to hole, and the inner face upper limb of burr step forms punching clip, burr step
Upper surface be equipped with the chamfering of deburring, the bottom end of chamfering forms and extends to the outer peripheral accommodating platform of cavity plate sliding block；Mold insert group
And the channel of insertion inclined wedge is offered on lower die holder, the return springs of support inclined wedge, inclined wedge are provided in the channel of lower die holder
It is equipped with the upper oblique surface for pushing cavity plate sliding block and pushes the lower oblique surface for the sliding block that floats up and down；In concave template and lower bolster with
The opposite side of burr step is horizontally arranged with the return springs abutted against with cavity plate sliding block, the sliding block that floats up and down respectively；On
Formed punch in mould includes that can protrude into the clip formed punch and inclined wedge formed punch corresponding with inclined wedge being punched in working hole, outside clip formed punch
Offered on wall matched with burr step keep away a groove.The lower end surface of the clip formed punch is punching press to a groove is kept away
End, the height at punching press end are 20~30cm, and several mounting holes are equipped in punching press end, are equipped with electromagnetic heater in mounting hole；Institute
It states and is equipped with cooling channel in burr step, it further includes cooling device that cool down channel both ends open, and cooling device includes medium storage
Medium storage tank is connected to by tank, medium delivery pipe and pump, medium delivery pipe with cooling channel, and pump is connect with medium delivery pipe, is situated between
Matter delivery pipe is equipped with valve, is stored with temperature-reducing medium in medium storage tank, one end of medium delivery pipe is protruded into temperature-reducing medium.
When work, the electromagnetic heater in punching press end works, and increases the temperature at punching press end rapidly, when punching press end is to work
After part completes punching, the side that workpiece is cut up forms the burr side that burr is workpiece；Clip formed punch will continue to move down, workpiece
The side face contact on burr side and punching press end, since the temperature at punching press end punching press end is higher, punching press end can be to the hair of workpiece
Thorn side is heated, and the edge plasticity on the burr side of burr and workpiece is enhanced.After burr step, which enters, keeps away groove, burr
The chamfering of step pressurizes to the burr side of workpiece, carries out chamfering to burr side, and burr is merged with workpiece.When burr step
When chamfering pressurizes to Work-piece burr side, starting pump introduces temperature-reducing medium in cooling channel, so that the burr side to workpiece carries out
Cooling, so that the hardness on burr side can be improved.
The beneficial effect that this programme generates is:
(1) program is heated by the punching press end to clip formed punch, then by the end face at punching press end to workpiece
Burr side is heated, so that burr and scrap (bridge) even expect that the plasticity at edge improves, therefore is more advantageous to burr and is merged with workpiece, and
Improve the performance on Work-piece burr side；After chamfering can be suppressed by the heat treatment with Work-piece burr side, in burr where shape
It is concentrated at stress.
(2) due to the side face contact on the burr side of workpiece and punching press end, and the height at punching press end is 20~30cm, because
This makes punching press end that there is time enough to increase by the temperature on Work-piece burr side, makes the material at the burr side edge of burr and workpiece
Plasticity improve, additionally, due to punching press end limited height, therefore the temperature does not diffuse into inside workpiece so that change work
The mechanical performance of part internal material.
(3) when burr step chamfering squeeze Work-piece burr side when, at this time temperature-reducing medium enter cooling channel so that
Burr step is in low-temperature condition, since burr step at this time is directly contacted with Work-piece burr side, in burr step to work
When chamfering is suppressed on part burr side, the temperature on Work-piece burr side can be made to reduce rapidly simultaneously, so as to increase the machine of the edge of work
Tool performance improves the wearability of the edge of work.
Preferred embodiment one: advanced optimizing as to base case, the burr step and cavity plate sliding block overlapping
Height is 5~8cm, can enhance the intensity of burr step, while again can be to avoid burr step falling on pressing component burr side
Before angle, temperature of the Work-piece burr when the overlong time for being detached from punching press end side surface leads to Work-piece burr is reduced, and loses heat treatment
Effect.
Preferred embodiment two: advanced optimizing as to base case, and the side wall for keeping away a groove is equipped with sensor,
The valve is electric control valve, and sensor is electrically connected with electric control valve；When burr step squeezes Work-piece burr side, burr step
It will enter and keep away in a groove；When the extruding of burr step keeps away the sensor in a recess sidewall, electric control valve is opened, thus
It enters temperature-reducing medium in cooling channel, so that Work-piece burr side is cooled down rapidly, may be implemented to automatically control with this.
Preferred embodiment three: advanced optimizing as to base case, and the temperature-reducing medium is liquid nitrogen, and the cooling of liquid nitrogen is imitated
Fruit is good, and when liquid nitrogen gasification can be such that ambient temperature reduces rapidly, so that the processing to Work-piece burr side has quenching effect, so as to
Enhance the hardness and wearability of the edge of work.
Preferred embodiment four: as advanced optimizing to preferred embodiment three, the opening of the one end in the cooling channel is set
There is air bag；After liquid nitrogen gasifies in the channel that cools down, air bag can be collected nitrogen, so that nitrogen can be re-applied.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of punching press synchronous deburring apparatus embodiments of the present invention；
Fig. 2 is the side view at the punching press end of clip formed punch in punching press synchronous deburring equipment of the present invention；
Fig. 3 is the enlarged drawing of part A in Fig. 1；
Fig. 4 is the structural schematic diagram of punching press synchronous deburring equipment cooling device of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description include: upper mold 10, clip formed punch 11, keep away a groove 110, inclined wedge formed punch 12,
Stripper plate 13, small guide post 14, lower die 20, concave template 21, lower bolster 22, lower die holder 23, cavity plate sliding block 30, punching working hole 301,
Burr step 302, chamfering 304, accommodating platform 305, the sliding block 31 that floats up and down, slide block pad 32, inclined wedge 33, is answered at punching clip 303
Position elastic component 36, workpiece 40, scrap (bridge) even material 41, cooling device 60, cooling channel 61, medium storage tank 62, medium delivery pipe 63,
Pump 64, mounting hole 71, iron core 72, spiral winding 73.
As shown in Figure 1, Figure 3, the punching press synchronous deburring equipment of the present embodiment includes upper mold 10 and lower die 20, in upper mold 10
There are two formed punch, lower die 20 is equipped with concave template 21, lower bolster 22 and lower die holder 23 for setting, is provided with mold insert group in lower die 20.Edge
Part group includes cavity plate sliding block 30, the sliding block 31 that floats up and down, slide block pad 32 and inclined wedge 33.Slide block pad 32 is placed in the upper end of lower die holder 23
Face is simultaneously embedded in lower bolster 22, and the sliding block 31 that floats up and down is placed in slide block pad 32, the upper surface of slide block pad 32 and is floated up and down
The lower end surface of sliding block 31 is the inclined-plane being slidably matched, and the vertical cross-section of float up and down sliding block 31 and slide block pad 32 is right angle ladder
The bevel edge of shape, the sliding block 31 that floats up and down is shorter than the bevel edge of slide block pad 32.Floating up and down, be placed with can be recessed for the upper surface of sliding block 31
The cavity plate sliding block 30 of cross shifting is carried out in template 21, and punching working hole 301 is offered on cavity plate sliding block 30, is punched working hole
301 upper end is provided with the burr step 302 projecting inward to hole, and the inner face upper limb of burr step 302 forms punching clip
303, the upper surface distance of burr step 302 is punched the chamfering 304 that deburring is equipped at the position of the about 3mm of clip 303, chamfering
304 be arc chord angle (angle R) or bevel edge angle (angle C), and it is flat that the bottom end formation of chamfering 304 extends to the outer peripheral accommodating of cavity plate sliding block 30
Platform 305.The channel of insertion inclined wedge 33 is offered in mold insert group and lower die holder 23, is provided with support inclined wedge in the channel of lower die holder 23
33 return springs 36,33 side of inclined wedge is equipped with three disposed in parallel longitudinal ladders, so that inclined wedge 33 is up big and down small
Rod-like structure, the lower part of inclined wedge 33 and the channel in the channel of slide block pad 32 and lower die holder 23 are slidably matched, to guarantee that inclined wedge 33 exists
Vertical sliding motion is carried out in mold insert group；The middle and upper part of inclined wedge 33 is provided with the upper oblique surface of linking neighboring vertical step and oblique leads
The horizontal spacing in face, the bottom and upper segment of upper oblique surface is matched with the gap between cavity plate sliding block 30 and concave template 21, oblique
The distance of the top of guide face to 33 upper surface of inclined wedge is greater than the thickness of cavity plate sliding block 30；Cavity plate sliding block 30 channel upper end and
Slide guide face is arranged at position corresponding with upper oblique surface, lower oblique surface respectively in the float up and down channel upper end of sliding block 31.In cavity plate
The side opposite with burr step 302 is horizontally arranged with and cavity plate sliding block 30, float up and down cunning respectively in plate 21 and lower bolster 22
The return springs 36 that block 31 abuts against.Formed punch in upper mold 10 includes the clip formed punch 11 that can be protruded into punching working hole 301
With inclined wedge formed punch 12 corresponding with inclined wedge 33, offers on the outer wall of clip formed punch 11 and keep away position with what burr step 302 matched
Groove 110.
As described in Fig. 2, Fig. 3, Fig. 4, the lower end surface of the clip formed punch 11 is punching press end, punching press at a groove 110 to keeping away
The height at end is 30cm, and several mounting holes 71 are equipped in punching press end, are equipped with electromagnetic heater in mounting hole 71；In mounting hole 71
Equipped with the integrally formed iron core 72 in punching press end, electromagnetic heater uses spiral winding 73, spiral winding 73 in the present embodiment
It is wrapped on the iron core 72 in mounting hole 71.
Cooling channel 61 is equipped in burr step 302, cool down 61 both ends open of channel, and is equipped with cooling device 60 and cooling
Channel 61 connects.Cooling device 60 includes medium storage tank 62, medium delivery pipe 63 and pump 64, and medium delivery pipe 63 passes through cooling
Medium storage tank 62 is connected to by the opening of 61 one end of channel with cooling channel 61, and pump 64 is connect with medium delivery pipe 63, and medium is defeated
It send pipe 63 to be equipped with electric control valve, is stored with temperature-reducing medium in medium storage tank 62, cooling is protruded into one end of medium delivery pipe 63
In medium, temperature-reducing medium is liquid nitrogen in the present embodiment.Another opening in cooling channel 61 is connected with air bag, when liquid nitrogen is dropping
In warm channel 61 after gasification, air bag can be collected nitrogen.Due to being provided with cooling channel 61, cooling in burr step 302
Channel 61 necessarily affects the intensity of burr step 302, and in order to improve the intensity of burr step 302, burr step 302 and cavity plate are sliding
The height of 30 overlapping of block is 8cm.
The side wall for keeping away a groove 110 is equipped with sensor, and sensor is electrically connected with electric control valve and pump 64；When burr step
302 enter when keeping away groove 110, and burr step 302 will squeeze when keeping away the sensor on 110 side wall of a groove, to pass through biography
The controllable electric control valve of sensor and pump 64 are opened, so that temperature-reducing medium can enter in cooling channel 61, may be implemented certainly with this
Dynamic control.
Electromagnetic heater in punching press end can be such that the temperature at punching press end increases rapidly, when punching press end completes to rush to workpiece 40
After sanction；Since the height at punching press end has 30cm, clip formed punch 11 continues to move down, and the one side at punching press end will continue and workpiece 40
The contact of burr side, so that the burr side temperature of workpiece 40 be made to increase rapidly, makes the edge plasticity on the burr side of burr and workpiece 40
Enhancing, applies enough pressure by changing to workpiece 40, burr can be made to merge with workpiece 40.When falling for burr step 302
When angle 304 pressurizes to 40 burr side of workpiece, pump 64 and electric control valve are automatically turned on, and liquid nitrogen is introduced in cooling channel 61, liquid is worked as
After nitrogen gasifies in cooling channel 61, a large amount of heat will be absorbed, by the transmitting of burr step 302,40 burr side of workpiece can be made
Temperature reduce rapidly, can be realized the heat treatment to 40 burr side of workpiece, improve the intensity at 40 edge of workpiece.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (5)
1. a kind of punching press synchronous deburring equipment, including the upper die and lower die being set in the progressive die, upper mold is equipped with formed punch, and lower die is set
There are concave template, lower bolster and lower die holder, mold insert group is provided in lower die, mold insert group is equipped with the punching work of blanking scrap (bridge)
The chamfering in hole and deburring, mold insert group include that can carry out the cavity plate sliding block of cross shifting in concave template, be nested in lower bolster
Slide block pad, float up and down sliding block and the inclined wedge that can be moved vertically up and down that can be slided along slide block pad, slide block pad it is upper
End face and the lower end surface for the sliding block that floats up and down are the inclined-plane being slidably matched；Punching working hole is offered on cavity plate sliding block, is punched work
The upper end for making hole is provided with the burr step projecting inward to hole, and the inner face upper limb of burr step forms punching clip, burr platform
The upper surface of rank is equipped with the chamfering of deburring, and the bottom end of chamfering, which is formed, extends to the outer peripheral accommodating platform of cavity plate sliding block；Mold insert
The channel of insertion inclined wedge is offered in group and lower die holder, the return springs of support inclined wedge is provided in the channel of lower die holder, tiltedly
Wedge is equipped with the upper oblique surface for pushing cavity plate sliding block and pushes the lower oblique surface for the sliding block that floats up and down；In concave template and lower bolster
The side opposite with burr step is horizontally arranged with the return springs abutted against with cavity plate sliding block, the sliding block that floats up and down respectively；
Formed punch in upper mold includes the clip formed punch and inclined wedge formed punch corresponding with inclined wedge that can be protruded into punching working hole, clip formed punch
Offered on outer wall matched with burr step keep away a groove；It is characterized in that, the lower end surface of the clip formed punch is to keeping away position
Groove is punching press end, and the height at punching press end is 20~30cm, and several mounting holes are equipped in punching press end, are equipped with electromagnetism in mounting hole
Heating device；Cooling channel is equipped in the burr step, it further includes cooling device, cooling device that cool down channel both ends open
Including medium storage tank, medium delivery pipe and pump, medium storage tank is connected to by medium delivery pipe with cooling channel, is pumped defeated with medium
Pipe is sent to connect, medium delivery pipe is equipped with valve, is stored with temperature-reducing medium in medium storage tank, one end of medium delivery pipe is protruded into
In temperature-reducing medium.
2. punching press synchronous deburring equipment according to claim 1, which is characterized in that the burr step and cavity plate sliding block
The height of overlapping is 5~8cm.
3. punching press synchronous deburring equipment according to claim 1, which is characterized in that set on the side wall for keeping away a groove
There is sensor, the valve is electric control valve, and sensor is electrically connected with electric control valve.
4. punching press synchronous deburring equipment according to claim 1, which is characterized in that the temperature-reducing medium is liquid nitrogen.
5. punching press synchronous deburring equipment according to claim 4, which is characterized in that open the one end in the cooling channel
Air bag is equipped at mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084607.8A CN106623594B (en) | 2016-11-30 | 2016-11-30 | Punching press synchronous deburring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084607.8A CN106623594B (en) | 2016-11-30 | 2016-11-30 | Punching press synchronous deburring equipment |
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| CN106623594A CN106623594A (en) | 2017-05-10 |
| CN106623594B true CN106623594B (en) | 2019-11-05 |
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| CN201611084607.8A Active CN106623594B (en) | 2016-11-30 | 2016-11-30 | Punching press synchronous deburring equipment |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108598830B (en) * | 2018-06-04 | 2024-05-24 | 杭州余杭电缆有限公司 | Terminal line pressing equipment |
| CN112658133A (en) * | 2020-12-11 | 2021-04-16 | 安徽贵达汽车部件有限公司 | Brake pad steel backing blank pressing mould |
| CN116274624B (en) * | 2023-05-17 | 2023-07-25 | 溧阳市力士汽车配件制造有限公司 | Blanking die and method for manufacturing automobile parts |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT972789B (en) * | 1972-12-22 | 1974-05-31 | Ibm Spa | PROCESS AND DEVICES FOR SHEARING WITHOUT BAVE |
| CN101574718B (en) * | 2009-06-18 | 2012-07-04 | 安特(苏州)精密机械有限公司 | Method and device for complete cycle deburring of product in continuous die |
| CN102310144B (en) * | 2010-07-06 | 2013-08-07 | 亿和精密金属制品(深圳)有限公司 | Device for synchronously blanking scraps and removing burrs for progressive die |
| CN204523973U (en) * | 2015-03-30 | 2015-08-05 | 烟台宏林电子模具有限公司 | A kind of anti-burr hole diel |
| CN104874633A (en) * | 2015-07-01 | 2015-09-02 | 三能器具（无锡）有限公司 | Aluminum alloy material friction deformation reduction device |
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