CN109047597A - A kind of buckle processing method and its composite die - Google Patents
A kind of buckle processing method and its composite die Download PDFInfo
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- CN109047597A CN109047597A CN201810832550.8A CN201810832550A CN109047597A CN 109047597 A CN109047597 A CN 109047597A CN 201810832550 A CN201810832550 A CN 201810832550A CN 109047597 A CN109047597 A CN 109047597A
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- die
- buckle
- composite die
- wire rod
- slot
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
- B21F45/16—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes
- B21F45/26—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of buttons
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- Punching Or Piercing (AREA)
- Wire Processing (AREA)
Abstract
The invention discloses a kind of buckle processing methods, buckle composite die operation is driven to realize one-time continuous machine-shaping by punching machine, its procedure of processing includes the following steps: shearing, primary bending, displacement, twice bended and discharging, and wire rod section is bent into intermediate product inverted " u "-shaped by molding concave die and forming convax mould cooperation by wire rod section in primary bending；The chute board buckled on composite die in displacement is oriented to by the skewed slot opened up on chute board, and chute board moves down pusher part and intermediate product is pushed to move on forming convax mould, and intermediate product is made to be moved to position corresponding with molding slider wedge；The slide downward in two guide grooves, the two forming slider wedge that driving buckles in composite die move toward one another two inclined wedges in twice bended respectively, and the both ends of intermediate product are bent to form first product to its inside；Compared with prior art, the present invention buckle is processed and formed at one time, the processing efficiency and processing quality of buckle are improved.
Description
Technical field
The present invention relates to the processing technique fields of components, and in particular to a kind of buckle processing method and its composite die.
Background technique
Buckle, the card that can be used on sandals set part, and existing process needs first to cut wire rod, then right
Wire rod section one end of well cutting is bent, then carries out being bent to form inverted " u " shape to the other end, finally again respectively to inverted " u " shape
Intermediate product both ends carry out being bent to form first product, each of which step be all it is independent, so as to cause the processing efficiency of buckle
It is low, and the poor quality of product.
Summary of the invention
For the deficiency in the presence of the prior art, the purpose of the present invention is to provide a kind of buckle processing methods, with solution
Certainly in the prior art, be buckled in production during processing efficiency is low and inferior problem.
To achieve the above object, present invention employs the following technical solutions: a kind of buckle processing method is driven by punching machine
One-time continuous machine-shaping is realized in dynamic buckle composite die operation, and procedure of processing includes the following steps:
Step 1: wire rod is added from the feed opening of buckle composite die, passes through cutting in buckle composite die by shearing
Wire rod is cut into fixed length wire rod section by cutter tool；
Step 2: primary bending, wire rod section is supported by the forming convax mould in buckle composite die, multiple by buckling
Wire rod section is bent into intermediate product inverted " u "-shaped by molding concave die and forming convax mould cooperation in molding tool；
Step 3: displacement, the chute board buckled on composite die are oriented to by the skewed slot opened up on chute board, skewed slot
The pusher part that plate moves down in driving buckle composite die pushes intermediate product to move on forming convax mould, is moved to intermediate product
Position corresponding with the molding slider wedge in buckle composite die；
Step 4: twice bended buckles two inclined wedges in composite die and is buckling two guide grooves in composite die respectively
Interior slide downward, the two forming slider wedge that driving buckles in composite die move toward one another, by the both ends of intermediate product to its inside
It is bent to form first product；
Step 5: discharging, by the protrusion on two chute boards, driving pusher part is mobile again, and first product is compound from buckling
The discharge port of mold ejects.
Compared with the prior art, the invention has the following beneficial effects:
1, buckle composite die operation is driven by common punching machine, realizes shearing, primary bending, shifts, is secondary curved
Being carried out continuously for folding and discharging, is processed and formed at one time buckle, improves the processing efficiency of buckle, and multistep continuously once at
Type avoids the transfer bring mismachining tolerance in buckle process between each step, improves the processing quality of buckle；
2, buckle is processed by buckling composite die, buckles all parts in composite die in the power of punching machine
Effect is lower to generate the production that linkage is buckled, and fitness is high, improves the machining accuracy of buckle, reduces staff's
Labor intensity improves the processing efficiency of buckle, and saves energy.
In order to solve in the prior art, be buckled in production during processing efficiency is low and inferior problem, provide
A kind of buckle composite die, the upper plate including the lower plate being fixedly mounted on station and above lower plate, upper top
Plate carries out driving by punching machine and carries out opposite or phase from movement with lower plate, and the upper surface of lower plate is provided with die holder, die holder upper end
Front side in the middle part of be provided with gap slot, the side of die holder is provided with the feed opening being connected to gap slot；Between the upper plate and die holder
It is provided with the fixed length cutting mechanism cut to the wire rod fed from feed opening, to the wire rod section after the cutting of fixed length cutting mechanism
A bending mechanism once being bent, a bending mechanism is bent after intermediate product progress twice bended inverted " u "-shaped
Twice bended mechanism and pusher；Pusher is used to wire rod section being pushed to twice bended machine from a bending mechanism
Processed between structure by twice bended mechanism, after by twice bended formed first product ejected from gap slot；
The molding concave die that bending mechanism includes forming convax mould and is equipped with forming convax mould, forming convax mould water
Flat setting is in gap slot and perpendicular with feed opening, and molding concave die is connected to the lower end surface of upper plate；
The pusher includes the pusher part of sliding setting in the chute board and die holder of the lower end surface setting of upper plate, tiltedly
Its axial direction of the lower end edge of frid is provided with skewed slot, and skewed slot includes the vertical opening section being sequentially communicated, the first tilting section, vertical mistake
Cross section, the second tilting section and vertical end segment, inclined direction difference and the vertical changeover portion of the first tilting section and the second tilting section
The protrusion in die holder direction is formed away between the first tilting section and the second tilting section, pusher part includes two push pieces disposed in parallel
Block, chute board is slidably arranged in the side between two ejector blocks, and is connected with and is slidably arranged in skewed slot between two ejector blocks
Drive shaft, the other side slip clamp between two ejector blocks set the two sides of forming convax mould.
Compared with the prior art, the invention has the following beneficial effects:
1, punching machine provide power, by upper plate carry out power transmitting, driving fixed length cutting mechanism, a bending mechanism,
The process buckle of twice bended mechanism and pusher orderly, is processed and formed at one time, and improves adding for buckle
Work efficiency rate and processing quality；
2, the chute board in pusher, the structure setting of pusher part and connection type are realized wire rod section from primary
Bending mechanism is pushed between twice bended mechanism and is processed by twice bended mechanism, after by twice bended formed first product from
The operation ejected at gap slot completes and is buckled in the problem of buckling the position transfer and discharging in composite die, improves card
The processing efficiency of button.
Detailed description of the invention
Fig. 1 is a kind of main view partial cutaway view for buckling composite die of the present invention；
Fig. 2 is the left view partial cutaway view of Fig. 1；
Fig. 3 is schematic diagram of the Fig. 2 in die sinking.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description include: lower plate 1, upper plate 2, die holder 3, feed opening 4, forming convax mould 5, at
Type cavity plate 6, chute board 7, ejector block 8, skewed slot 9, cutting tool 10, cutting punch case 11, baffle 12, inclined wedge 13, molding wedge are sliding
Block 14, mobile bar 15, supporting block 16, reset spring 17, limit hole 18, die shank 19, setting slot 20, adjustable spring 21, sliding connect
Bar 22, pressure plate 23.
Embodiment
A kind of buckle processing method drives buckle composite die operation to realize one-time continuous machine-shaping by punching machine,
Procedure of processing includes the following steps:
Step 1: shearing wire rod is added from the feed opening 4 of buckle composite die, by buckle composite die
Wire rod is cut into fixed length wire rod section by cutting tool 10；
Step 2: primary bending, wire rod section are supported by the forming convax mould 5 in buckle composite die, pass through buckle
Wire rod section is bent into intermediate product inverted " u "-shaped by molding concave die 6 and the cooperation of forming convax mould 5 in composite die；
Step 3: displacement, the chute board 7 buckled on composite die are oriented to by the skewed slot 9 opened up on chute board 7,
The pusher part that 9 plate 7 of skewed slot moves down in driving buckle composite die pushes intermediate product to move on forming convax mould 5, makes centre
Product are moved to position corresponding with the molding slider wedge 14 in buckle composite die；
Step 4: twice bended buckles two inclined wedges 13 in composite die and is buckling two guiding in composite die respectively
Slide downward in slot, the two forming slider wedge 14 that driving buckles in composite die moves toward one another, by the both ends of intermediate product to it
Inside is bent to form first product；
Step 5: discharging, by the protrusion on two chute boards 7, driving pusher part is mobile again, and first product is multiple from buckle
The discharge port ejection of molding tool.
With reference to attached drawing 1- Fig. 3: a kind of buckle composite die being used cooperatively in this buckle processing method, including be fixedly mounted
Lower plate 1 on station and the upper plate above lower plate 12, upper plate 2 carry out driving and lower plate 1 by punching machine
Opposite or phase is carried out from movement, the upper surface of lower plate 1 is provided with die holder 3, it is provided with gap slot in the middle part of the front side of 3 upper end of die holder,
The side of die holder 3 is provided with the feed opening 4 being connected to gap slot；It is provided between upper plate 2 and die holder 3 and is fed to from feed opening 4
Wire rod cut fixed length cutting mechanism, to fixed length cutting mechanism cutting after wire rod section once bent it is primary curved
Folding mechanism carries out the twice bended mechanism of twice bended to the intermediate product inverted " u "-shaped after a bending mechanism bending and pushes away
Expect mechanism；Pusher is used to for wire rod section being pushed between twice bended mechanism from a bending mechanism through twice bended machine
Structure processing, after by twice bended formed first product ejected from gap slot；Bending mechanism include forming convax mould 5 and at
The molding concave die 6 that type punch-pin 5 is equipped with, forming convax mould 5 are horizontally set in gap slot and perpendicular with feed opening 4, molding
Cavity plate 6 is connected to the lower end surface of upper plate 2；Pusher includes in the chute board 7 and die holder 3 of lower end surface setting of upper plate 2
The pusher part of setting is slided, its axial direction of the lower end edge of chute board 7 is provided with skewed slot 9, and skewed slot 9 is opened vertically including what is be sequentially communicated
Mouth section, the first tilting section, vertical changeover portion, the second tilting section and vertical end segment, the first tilting section and the second tilting section incline
Tilted direction is different and is formed away from the protrusion in 3 direction of die holder between changeover portion and the first tilting section and the second tilting section vertically, pushes away
Materials and parts include two ejector blocks 8 disposed in parallel, and chute board 7 is slidably arranged in the side between two ejector blocks 8, and two ejector blocks 8
Between be connected with the drive shaft being slidably arranged in skewed slot 9, the other side slip clamp between two ejector blocks 8 sets forming convax mould 5
Two sides.
Fixed length cutting mechanism in this programme includes the cutting tool 10 being arranged on the lower end surface of upper plate 2, cutter
Tool 10 offsets during moving down with the gap slot inner wall sliding close to feed opening 4；Notch is penetrated from feed opening 4 by wire rod
In slot, wire rod is supported by forming convax mould 5, wire rod offsets with gap slot inner wall, passes through feed opening 4 and gap slot inner wall
Between fixed range realize the fixed length cutting of wire rod, keep each the wire rod segment length cut down identical, and by cutting
The wire rod section end cut that cutter tool 10 obtains is smooth；In order to further increase the charging effect and cutting effect of wire rod, feed
Be provided in hole 4 cutting punch case 11, cutting punch case 11 feed inlet laterally turn up to form snap ring set, and feed opening 4 into
Material mouth side is provided with the annular table that snap ring set is set for card, is fixedly installed the baffle compressed to snap ring set on 3 outer wall of die holder
12, the feedhole being connected to feed opening 4 is provided on baffle 12；Cutting punch case 11 is oriented to the charging of wire rod, and cuts off
The inner wall smooth of punch case 11, reduces resistance of the wire rod in fill process, and the inner wall of snap ring set is from its feed inlet side to another
The aperture of side is gradually reduced, and is in smooth cambered surface transition, carries out feeder convenient for wire rod to be sent into cutting punch case 11
Make.
Twice bended mechanism in this programme includes two inclined wedges 13 being arranged on the lower end surface of upper plate 2, on die holder 3
The two forming slider wedge 14 held two guide grooves opened up and slide setting in die holder 3, two inclined wedges 13 are respectively at two
It is slided in guide groove and two forming slider wedge 14 is driven to carry out opposite or phase from movement, two forming slider wedge 14 is used for inverted " u "
The intermediate product both ends of shape are bent to its inside；Two inclined wedges 13 are symmetrical arranged, and the straightway of inclined wedge 13 including upper section and
Be connected to the tilting section of straightway lower end, the tilting sections of two inclined wedges 13 to phase from direction be obliquely installed, each molding slider wedge
Pilot hole is provided on 14, two inclined wedges 13 are slided in two pilot holes respectively, and it is multiple that elasticity is provided on each molding slider wedge 14
Hyte part, two elastic reset components are fixed at the not ipsilateral of 1 upper surface of lower plate；Elastic reset component includes and molding
The connected mobile bar 15 of 14 screw thread of slider wedge and the supporting block 16 for being fixedly connected on 1 upper surface of lower plate are provided in supporting block 16
Movable span, mobile bar 15 is free to slide across movable span, and mobile bar 15 is connected with limited cap far from the end of molding slider wedge 14,
The reset spring 17 being set in mobile bar 15 is connected between limited cap and supporting block 16.
In order to which the moving distance to chute board 7 limits, improve the processing quality of buckle, chute board 7 and lower plate 1 it
Between be provided with limit assembly, limit assembly includes opening up on 7 downside side wall of the limit hole 18 being provided on lower plate 1 and chute board
Spacing breach slot, spacing breach slot include the vertical plane for being located at lower end and the limit inclined-plane for being connected to vertical plane upper end, chute board 7
The hole wall on lower end limit inclined-plane and limit hole 18 that spacing breach slot is slid through in limit hole 18 offset.
In order to realize the connection between upper plate 2 and existing punching machine, the mould for connecting punching machine is provided on upper plate 2
Handle 19 is equipped with 23 component of elastic material plate suppressed wire rod on die shank 19, and 23 component of elastic material plate includes
The setting slot 20 that its axial direction of 19 lower end edge of die shank opens up, setting slot 20 is interior to be connected with by adjustable spring 21 in setting slot 20
The slide link 22 of interior sliding, 22 lower end of slide link are connected with the pressure plate 23 being placed in outside setting slot 20；Pass through elastic material
Board group part is suppressed during wire rod is cut into wire rod section, is avoided wire rod from shaking in carrying out cutting process, is mentioned
The high cutting quality of wire rod section, is attached using adjustable spring 21 and wire rod section is avoided to be crushed to death, and facilitates the movement of ejector block 8 to be in
Intermediate product inverted " u "-shaped.
In use, wire rod is made wire rod and gap slot inner wall out of feedhole insertion cutting punch case 11 on baffle 12
It offsets, starts punching machine, punching machine driving upper plate 2 moves down, and wire rod is cut into wire rod section by cutting tool 10, and molding concave die 6 moves down
With 5 cooperating of forming convax mould, wire rod section is once bent to form to intermediate product inverted " u "-shaped；Chute board 7 moves down simultaneously, passes through
The structure driving pusher part of first tilting section of skewed slot 9 is mobile, and intermediate product are moved to the position between two forming slider wedge 14
It sets；Two inclined wedges 13 slide in two guide grooves that 3 upper end of die holder opens up respectively simultaneously, are driven by the tilting section of two inclined wedges 13
It moves two forming slider wedge 14 to be moved toward one another, intermediate product is carried out to be bent to form first product again, keep the both ends of intermediate product equal
To its inside bending；Then pusher part is driven to move again by the structure of the second tilting section of skewed slot 9, by first product from notch
Groove top goes out to carry out discharging work, and the gap slot in this programme is the discharge port for buckling composite die；Punching machine drives on upper plate 2
After shifting, wire rod is carried out to feeding work, and then the process continuously buckled into gap slot again；Wire rod can be
Steel wire.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (8)
1. a kind of buckle processing method, which is characterized in that drive buckle composite die operation to realize that one-time continuous adds by punching machine
Work molding, procedure of processing includes the following steps:
Step 1: wire rod is added from the feed opening of buckle composite die, passes through the cutter in buckle composite die by shearing
Wire rod is cut into fixed length wire rod section by tool；
Step 2: primary bending, wire rod section is supported by the forming convax mould in buckle composite die, by buckling compound die
Wire rod section is bent into intermediate product inverted " u "-shaped by molding concave die and forming convax mould cooperation in tool；
Step 3: displacement, the chute board buckled on composite die are oriented to by the skewed slot opened up on chute board, chute board to
Pusher part in lower mobile driving card button composite die pushes intermediate product to move on forming convax mould, and intermediate product is made to be moved to and block
Detain the corresponding position of molding slider wedge in composite die；
Step 4: twice bended, buckle composite die in two inclined wedges respectively buckle composite die in two guide grooves in
Lower slider, the two forming slider wedge that driving buckles in composite die move toward one another, and the both ends of intermediate product are bent to its inside
Form first product；
Step 5: discharging, by the protrusion on two chute boards, driving pusher part is mobile again, by first product from buckle composite die
Discharge port ejection.
2. a kind of buckle composite die, which is characterized in that including the lower plate being fixedly mounted on station and be located at lower plate
The upper plate of top, upper plate carry out driving by punching machine and carry out opposite or phase from movement with lower plate, and the upper surface of lower plate is set
It is equipped with die holder, is provided with gap slot in the middle part of the front side of die holder upper end, the side of die holder is provided with the feed opening being connected to gap slot；It is described
The fixed length cutting mechanism cut to the wire rod fed from feed opening is provided between upper plate and die holder, to fixed-length cutting machine
A bending mechanism that wire rod section after structure cutting is once bent, in inverted " u "-shaped after the bending of bending mechanism
Between product carry out twice bended twice bended mechanism and pusher；Pusher is used for wire rod section from a bending mechanism
Be pushed between twice bended mechanism and processed by twice bended mechanism, after by twice bended formed first product from gap slot
Ejection；
The molding concave die that bending mechanism includes forming convax mould and is equipped with forming convax mould, forming convax mould level are set
Set in gap slot and perpendicular with feed opening, molding concave die is connected to the lower end surface of upper plate；
The pusher includes the pusher part of sliding setting in the chute board and die holder of the lower end surface setting of upper plate, chute board
Lower end edge its axial direction be provided with skewed slot, skewed slot includes the vertical opening section being sequentially communicated, the first tilting section, vertical transition
The different and vertical changeover portion of the inclined direction of section, the second tilting section and vertical end segment, the first tilting section and the second tilting section with
The protrusion in die holder direction is formed away between first tilting section and the second tilting section, pusher part includes two push pieces disposed in parallel
Block, chute board is slidably arranged in the side between two ejector blocks, and is connected with and is slidably arranged in skewed slot between two ejector blocks
Drive shaft, the other side slip clamp between two ejector blocks set the two sides of forming convax mould.
3. a kind of buckle composite die according to claim 2, it is characterised in that: the twice bended mechanism includes setting
Two guide grooves that two inclined wedges on the lower end surface of upper plate, die holder upper end open up and slide the two of setting in die holder
Slider wedge is formed, two inclined wedges slide in two guide grooves respectively and two forming slider wedge is driven to carry out opposite or phase from fortune
Dynamic, two forming slider wedge is used to bend intermediate product both ends inverted " u "-shaped to its inside；Two inclined wedges are symmetrical arranged, and
Inclined wedge includes the straightway of upper section and is connected to the tilting section of straightway lower end, the tilting sections of two inclined wedges to phase from direction tilt
It is arranged, pilot hole is provided on each molding slider wedge, two inclined wedges is slided in two pilot holes respectively, on each molding slider wedge
It is provided with elastic reset component, two elastic reset components are fixed at the not ipsilateral of lower plate upper surface.
4. a kind of buckle composite die according to claim 3, it is characterised in that: the elastic reset component include with
The mobile bar and the supporting block for being fixedly connected on lower plate upper surface that slider wedge screw thread is connected are formed, is provided with activity in supporting block
Hole, mobile bar is free to slide across movable span, and mobile bar is connected with limited cap, limited cap and branch far from the end of molding slider wedge
The reset spring being set in mobile bar is connected between bracer.
5. a kind of buckle composite die according to any one of claim 2-4, it is characterised in that: the fixed-length cutting machine
Structure includes the cutting tool being arranged on the lower end surface of upper plate, and cutting tool is during moving down and close to the scarce of feed opening
Mouth slot inner wall sliding offsets.
6. a kind of buckle composite die according to claim 2, it is characterised in that: set between the chute board and lower plate
It is equipped with limit assembly, limit assembly includes the spacing breach opened up on side wall on the downside of the limit hole being provided on lower plate and chute board
Slot, spacing breach slot include the vertical plane and the limit inclined-plane for being connected to vertical plane upper end positioned at lower end, and the lower end of chute board exists
The hole wall on limit inclined-plane and limit hole that spacing breach slot is slid through in limit hole offsets.
7. a kind of buckle composite die according to claim 2,3 or 6, it is characterised in that: be provided on the upper plate
For connecting the die shank of punching machine, the elastic material board group part suppressed wire rod, elastic material plate are equipped on die shank
Component includes the setting slot that die shank lower end edge its axial direction opens up, and is connected with and is being arranged in slot by adjustable spring in setting slot
The slide link of sliding, slide link lower end are connected with the pressure plate being placed in outside setting slot.
8. a kind of buckle composite die according to claim 7, it is characterised in that: it is convex to be provided with cutting in the feed opening
Die sleeve, the feed inlet for cutting off punch case laterally turn up to form snap ring set, and the feed inlet side of feed opening is provided with and sets snap ring for blocking
The annular table of set is fixedly installed the baffle compressed to snap ring set on die holder outer wall, is provided on baffle and is connected to feed opening
Feedhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810832550.8A CN109047597B (en) | 2018-07-26 | 2018-07-26 | Buckle processing method and composite die thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810832550.8A CN109047597B (en) | 2018-07-26 | 2018-07-26 | Buckle processing method and composite die thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109047597A true CN109047597A (en) | 2018-12-21 |
| CN109047597B CN109047597B (en) | 2020-01-17 |
Family
ID=64835842
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810832550.8A Active CN109047597B (en) | 2018-07-26 | 2018-07-26 | Buckle processing method and composite die thereof |
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| Country | Link |
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| CN (1) | CN109047597B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602585A (en) * | 2019-09-18 | 2019-12-20 | 深圳嘉信源科技实业有限公司 | Processing equipment and process for earphone decorative earmuffs |
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| CN208555823U (en) * | 2018-07-26 | 2019-03-01 | 重庆市皓峰模具有限公司 | A kind of buckle composite die |
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2018
- 2018-07-26 CN CN201810832550.8A patent/CN109047597B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2525702A1 (en) * | 1975-06-10 | 1976-12-16 | Behrens Friedrich Joh | U-SHAPED CLAMPING CLIP FOR SEALING BAGS, HOSES, SAUSAGES OR THE LIKE |
| CN104028651A (en) * | 2014-06-26 | 2014-09-10 | 如皋市凯凯电信器材有限公司 | Progressive die for C-shaped clamping frame |
| CN104128428A (en) * | 2014-07-24 | 2014-11-05 | 成都亨通兆业精密机械有限公司 | Composite stamping die for supporting seat |
| CN205463900U (en) * | 2016-01-18 | 2016-08-17 | 漳州永裕隆精密五金有限公司 | Switch elastic piece forming die |
| CN206588228U (en) * | 2016-12-19 | 2017-10-27 | 苏州先科精密机械有限公司 | Bending fastener product one-time-shaped mould |
| CN208555823U (en) * | 2018-07-26 | 2019-03-01 | 重庆市皓峰模具有限公司 | A kind of buckle composite die |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110602585A (en) * | 2019-09-18 | 2019-12-20 | 深圳嘉信源科技实业有限公司 | Processing equipment and process for earphone decorative earmuffs |
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| Publication number | Publication date |
|---|---|
| CN109047597B (en) | 2020-01-17 |
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