CN109013905A - Expanding die and its application method - Google Patents
Expanding die and its application method Download PDFInfo
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- CN109013905A CN109013905A CN201811064456.9A CN201811064456A CN109013905A CN 109013905 A CN109013905 A CN 109013905A CN 201811064456 A CN201811064456 A CN 201811064456A CN 109013905 A CN109013905 A CN 109013905A
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- Prior art keywords
- lower die
- bulging
- die
- driving
- block
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
- B21D45/08—Stripping-off devices interrelated with motion of tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a kind of expanding die and its application methods; expanding die; including upper die holder, elastic material removing mechanism, upper mold drive block, upper mold bulging die mechanism, lower die bulging punch-pin mechanism, lower die driving mechanism, lower die holder; elastic material removing mechanism, upper mold drive block are separately mounted on the upper die holder; upper mold bulging die mechanism is mounted on elastic material removing mechanism bottom surface; lower die bulging punch-pin mechanism is installed on the lower die seat, and upper mold drive block and lower die driving mechanism are drivingly connected；Upper die holder, lower die driving mechanism respectively include punching die, lower die formed punch, and upper mold bulging die mechanism has the first bulging hole, and lower die bulging punch-pin mechanism has the second bulging hole, and punching die passes through the first bulging hole and is connected to each other with lower die formed punch across the second bulging hole.The expanding die can carry out bulging to the part of bulging in narrow die space, and this structure can be realized inwardly or outwardly bulging simultaneously, adjusts convenient for the bulging of product, improves the precision of product.
Description
Technical field
The present invention relates to mould applications more particularly to a kind of expanding die and its application methods.
Background technique
In traditional stamping die bulging product, some than in narrow die space, existing expanding die
It is difficult to carry out the part with bulging bulging, and product cannot be carried out simultaneously inwardly or outwardly to carry out bulging simultaneously, influences
The precision of product.
Summary of the invention
The purpose of the present invention is to provide a kind of expanding die and its application method, which can be in narrow mould
Have in space and bulging is carried out to the part of bulging, and this structure can be realized inwardly or outwardly bulging simultaneously, convenient for product
Bulging adjustment, improves the precision of product.
Its technical solution is as follows:
Expanding die, including upper die device, lower mold apparatus, the upper die device include upper die holder, elastic material removing mechanism, on
Mould drive block, upper mold bulging die mechanism, the lower mold apparatus include lower die bulging punch-pin mechanism, lower die driving mechanism, lower die
Seat, the elasticity material removing mechanism, upper mold drive block are separately mounted on the upper die holder, the upper mold bulging die mechanism installation
On the elastic material removing mechanism bottom surface, there is driving sliding slot on the lower die holder, the lower die driving mechanism is mounted on described
It drives in sliding slot, the lower die bulging punch-pin mechanism installation on the lower die holder, and is located at the lower die driving mechanism
Top；The upper mold drive block and the lower die driving mechanism are drivingly connected；
The upper die holder, lower die driving mechanism respectively include punching die, lower die formed punch, the upper mold bulging die mechanism
Including three elastic spill sliding formwork blocks, three elastic spill sliding formwork blocks surround the first bulging hole, the lower die bulging punch-pin
Mechanism includes three flexible convex sliding formwork blocks, and three flexible convex sliding formwork blocks surround the second bulging hole, the punching die
Second bulging hole is passed through with the lower die formed punch across first bulging hole to be connected to each other.
The upper mold drive block includes the first upper mold drive block, the second upper mold drive block, the first upper mold drive block, the
Two upper mold drive blocks are separately mounted to the both ends of the upper die holder, and are located at two outsides of the lower die driving mechanism；It is described
Lower die driving mechanism further includes the first lower die driving block, the second lower die driving block, lower die driving sliding block, first lower die
Driving block, the second lower die driving block are separately mounted to the both ends of lower die driving sliding block, the first upper mold drive block,
Second upper mold drive block is drivingly connected with one end of the first lower die driving block, the second lower die driving block respectively, described
First lower die driving block, the second lower die driving block the other end respectively with the lower die driving sliding block both ends drive connect
It connects；The lower die formed punch is mounted on the lower die driving sliding block.
The first upper mold drive block, the second upper mold drive block are respectively provided with the first driving inclined-plane, the second driving inclined-plane, institute
State the first driving inclined-plane, the second driving inclined-plane is in inwardly downward respectively；The both ends of the first lower die driving block are respectively provided with
The both ends of third driving inclined-plane, the 5th driving inclined-plane, the second lower die driving block are respectively provided with the 4th driving inclined-plane, the 6th
Driving inclined-plane, the third driving inclined-plane, the 4th driving inclined-plane be in respectively outwardly upward, and it is oblique with first driving respectively
Face, the second driving inclined-plane match inclined-plane drive connection, and the 5th driving inclined-plane, the 6th driving inclined-plane are in court inwardly respectively
On；The both ends of the lower die driving sliding block are respectively provided with the 7th driving inclined-plane, the 8th driving inclined-plane, and the 7th driving is oblique
Face, the 8th driving inclined-plane are in that outwardly downward, the 7th driving inclined-plane, the 8th driving inclined-plane are driven with the described 5th respectively respectively
Dynamic inclined-plane, the 6th driving inclined-plane match inclined-plane drive connection.
The both ends of the driving sliding slot are equipped with traversing guide pad, and the middle part of the driving sliding slot, which is equipped with, is vertically directed block,
The first lower die driving block, the second lower die driving block two sides be respectively equipped with traversing sliding shoe, the traversing sliding shoe
It is connect with the traversing guide pad slide fit；The two sides of the lower die driving sliding block are equipped with vertical sliding block, the vertical sliding block
It is connect with the block slide fit that is vertically directed.
The lower die bulging punch-pin mechanism further includes lower die bulging take-up housing, the first lower die nitrogen gas spring, the second lower die nitrogen
Gas spring, the first lower die nitrogen gas spring, the second lower die nitrogen gas spring are separately mounted to the two of the lower die bulging take-up housing
It holds, is respectively equipped with the first card slot, the second card slot, the lower die on the first lower die driving block, the second lower die driving block
Bulging take-up housing is separately mounted to first card slot, by the first lower die nitrogen gas spring, the second lower die nitrogen gas spring
In two draw-in groove, and the bottom surface of the lower die bulging take-up housing is connect with the lower die holder.
It is set on the lower die bulging take-up housing there are three horizontal concrete chute, three flexible convex sliding formwork blocks are separately mounted to
It is connect in three horizontal concrete chutes with the lower die bulging take-up housing slide fit.
The flexible convex sliding formwork block include the first spring, spring retainer block, bulging convex module, the two of first spring
End is connect with one end of the spring retainer block, bulging convex module respectively, and the other end of three bulging convex modules surrounds the
Two bulging holes.
The upper die holder further includes upper cover plate, upper mould fixed plate, and the elasticity material removing mechanism includes stripper plate, leads in upper mold
Column, upper mold spring retaining plate, upper mold nitrogen gas spring, the upper mould fixed plate are equipped with first through hole, and the upper mold spring is fixed
Plate is equipped with the second through-hole, third through-hole, and the stripper plate is equipped with fourth hole；The stripper plate in the upper mold by leading
Column is mounted on the bottom surface of the upper mould fixed plate, and the upper mold nitrogen gas spring is mounted on the bottom surface of the upper cover plate, and
Sequentially pass through the first through hole, third through-hole is connect with the stripper plate；The punching die is mounted on the upper mold
On the bottom surface of fixed plate, and sequentially pass through second through-hole, fourth hole, the first bulging hole.
The upper mold bulging die mechanism further includes upper mold bulging take-up housing, and the upper mold bulging take-up housing is mounted on described
On the bottom face of stripper plate, set on the upper mold bulging take-up housing there are three oblique sliding slot, the elasticity spill sliding formwork block includes
Demould nitrogen gas spring, bulging female die block, three bulging female die blocks be separately mounted on three oblique sliding slots with it is described
The connection of upper mold bulging take-up housing slide fit；Three fifth holes, three demoulding nitrogen gas springs point are additionally provided on the stripper plate
It is not mounted on the bottom surface of the upper mold spring retaining plate, and is each passed through three fifth holes and three bulgings
Female die block connection.
The application method of expanding die, comprising the following steps:
Upper die device downlink, punching die, elastic material removing mechanism, upper mold drive block, upper mold bulging die mechanism are the same as at present
Row, three elastic spill sliding formwork blocks touch three flexible convex sliding formwork blocks, three elastic spill sliding formwork blocks difference elasticity pressures respectively
Contracting, three elastic spill sliding formwork blocks slide closure to the center of product and form the first bulging hole；
Upper die device continues traveling downwardly, and punching die, elastic material removing mechanism, upper mold drive block continue traveling downwardly；
Upper mold bulging die mechanism and lower die bulging punch-pin mechanism push against, elastic material removing mechanism elastic compression；Upper mold driving
Block drives downwards lower die driving mechanism, lower die formed punch uplink；
Punching die continues traveling downwardly, while lower die formed punch continues uplink, and punching die injects the first bulging hole and drives three
Elastic spill sliding formwork block is slid in and out with product center；Lower die formed punch injects the second bulging hole and drives three flexible convex sliding formwork blocks
It is slid in and out with product center, three flexible convex sliding formwork blocks distinguish elastic compression, product bulging；
Bulging terminates, upper die device uplink, upper mold drive block, punching die uplink, upper mold drive block and lower die driving machine
Structure separation, while lower die formed punch downlink；
Lower die formed punch leaves the second bulging hole, three flexible convex sliding formwork blocks rebounds, and three flexible convex sliding formwork blocks are to production
The center sliding of product is detached from product；
Elastic material removing mechanism rebound, punching die leave the first bulging hole；
Upper die device continues uplink, and upper mold drive block, elastic material removing mechanism, punching die continue uplink, and three elasticity are recessed
The rebound of shape sliding formwork block, three elastic spill sliding formwork blocks are product-centered to slide in and out disengaging product.
It should be understood that
Aforementioned " first, second ... " does not represent specific quantity and sequence, is only used for the differentiation to title.
Advantages of the present invention or principle are illustrated below:
1, this expanding die includes upper die device, lower mold apparatus, upper die device include upper die holder, elastic material removing mechanism, on
Mould drive block, upper mold bulging die mechanism, lower mold apparatus include lower die bulging punch-pin mechanism, lower die driving mechanism, lower die holder, are made
Used time, first trip upper die device downlink, upper die holder will drive punching die, elastic material removing mechanism, upper mold drive block, upper mold bulging recessed
Mold mechanism while downlink, when three elastic spill sliding formwork blocks of upper mold bulging die mechanism touch lower die bulging punch-pin machine respectively
When three flexible convex sliding formwork blocks of structure, three elastic spill sliding formwork blocks distinguish elastic compressions, three elastic spill sliding formwork blocks to
The center sliding closure of product forms the first bulging hole；
Upper die device continues traveling downwardly, and upper die holder continues under driving punching die, elastic material removing mechanism, upper mold drive block to continue
Row；At this point, upper mold bulging die mechanism has been pushed against with lower die bulging punch-pin mechanism, elastic material removing mechanism elastic force balance compression；Together
Shi Shangmo drive block drives downwards lower die driving mechanism, and lower die driving mechanism makes lower die formed punch uplink；
Punching die continues traveling downwardly, while lower die formed punch continues uplink, and punching die injects the first bulging hole and drives three
Elastic spill sliding formwork block is slid in and out with product center；Lower die formed punch injects the second bulging hole and drives three flexible convex sliding formwork blocks
It is slid in and out with product center, three flexible convex sliding formwork blocks distinguish elastic compression, while realizing product bulging；
Bulging terminates, upper die device uplink, and upper die holder drives upper mold drive block, punching die uplink, upper mold driving simultaneously
Block is separated with lower die driving mechanism, while lower die formed punch downlink；Lower die formed punch leaves the second bulging hole, three flexible convex sliding formworks
Block rebound, three flexible convex sliding formwork blocks slide to the center of product and are detached from product；At this point, due to upper mold bulging die mechanism with
Lower die bulging punch-pin mechanism is separated, and elastic material removing mechanism rebound, punching die leaves the first bulging hole；
Upper die device continues uplink, and upper die holder drives upper mold drive block, elastic material removing mechanism, punching die to continue uplink,
Then three elastic spill sliding formwork block rebounds, three elastic spill sliding formwork blocks are product-centered to slide in and out disengaging product, produces
The work of product bulging terminates；
The expanding die can carry out bulging to the part of bulging in narrow die space, and this structure can be real
Now inwardly or outwardly simultaneously bulging, convenient for product bulging adjust, improve the precision of product.
2, upper mold drive block includes the first upper mold drive block, the second upper mold drive block, and lower die driving mechanism further includes first
Lower die driving block, the second lower die driving block, lower die drive sliding block, in use, upper die holder is run down first, upper die holder band
First upper mold drive block, the second upper mold drive block at dynamic upper die holder both ends are run straight down, then the first upper mold drive block, the
Two upper mold drive blocks drive the first lower die driving block, the second lower die driving block mobile to intermediate lateral respectively simultaneously, thus
Make the first lower die driving block, the second lower die driving block from lower die driving sliding block both ends driving lower die driving sliding block vertically to
Upper operation realizes upper die holder and runs down then bottom punch head erect is driven to run up.
3, the first upper mold drive block, the second upper mold drive block are respectively provided with the first driving inclined-plane, the second driving inclined-plane, and first
The both ends of lower die driving block are respectively provided with third driving inclined-plane, the 5th driving inclined-plane, the both ends point of the second lower die driving block
Not Ju You the 4th driving inclined-plane, the 6th driving inclined-plane, lower die driving sliding block both ends be respectively provided with the 7th driving inclined-plane, the 8th drive
Dynamic inclined-plane, in use, the first driving inclined-plane, the second driving inclined-plane move separately down, because the first driving inclined-plane, the second driving are oblique
Face is in inwardly downward, so that the distance between third driving inclined-plane, the 4th driving inclined-plane be made to be gradually reduced, and then to drive the respectively
One lower die driving block, the second lower die driving block are mobile to centre, the distance between the 5th driving inclined-plane, the 6th driving inclined-plane
Also it is gradually reduced, drives sliding block to move upwards by the 5th driving inclined-plane, the 6th driving inclined-plane driving lifting lower die.
4, it drives the both ends of sliding slot to be equipped with traversing guide pad, ensure that the first lower die driving block, the transmission of the second lower die are slided
The movement of block transverse direction is more stable, reliable, drives the middle part of sliding slot to be equipped with and is vertically directed block, ensure that lower die driving is slided
The movement of block vertical direction is more stable, reliable.
5, lower die bulging punch-pin mechanism further includes lower die bulging take-up housing, the first lower die nitrogen gas spring, the second lower die nitrogen
Spring, the setting of the first lower die nitrogen gas spring, the second lower die nitrogen gas spring, when upper mold drive block is separated with lower die driving mechanism
When, the first lower die driving block, the second lower die driving block utilize time of the first lower die nitrogen gas spring, the second lower die nitrogen gas spring
Elastic force can make the first lower die driving block, the second lower die driving block return well.
6, horizontal concrete chute there are three setting on lower die bulging take-up housing, makes three flexible convex sliding formwork blocks and lower die bulging sliding block
The slide fit connection of seat is more stable, reliable.
7, flexible convex sliding formwork block includes the first spring, spring retainer block, bulging convex module, when bottom punch head leaves second
When bulging hole, the screen resilience that bulging convex module can use the first spring is kept in the center.
8, upper die holder further includes upper cover plate, upper mould fixed plate, elastic material removing mechanism include stripper plate, upper mold inner guiding post, on
Mould spring retaining plate, upper mold nitrogen gas spring, upper mold nitrogen gas spring provide rebound power for stripper plate, and upper mold inner guiding post can make to take off
The direction of motion of flitch is more stable, reliable, ensure that the precision of product stripping.
9, upper mold bulging die mechanism further includes upper mold bulging take-up housing, is set on upper mold bulging take-up housing there are three oblique cunning
Slot, three bulging female die blocks are separately mounted on three oblique sliding slots, ensure that three bulging female die blocks in upper mold bulging
Oblique sliding stability in take-up housing；The setting for demoulding nitrogen gas spring, provides rebound power for the demoulding of bulging female die block.
Detailed description of the invention
Fig. 1 is the structural exploded view one of expanding die of the embodiment of the present invention.
Fig. 2 is the sectional view of expanding die of the embodiment of the present invention.
Fig. 3 is the structural exploded view of expanding die upper die device of the embodiment of the present invention.
Fig. 4 is the structural exploded view of expanding die lower mold apparatus of the embodiment of the present invention.
Description of symbols:
10, upper die holder, 11, punching die, 12, upper cover plate, 13, upper mould fixed plate, 131, first through hole, 20, elasticity it is de-
Material mechanism, 21, stripper plate, 211, fourth hole, 212, fifth hole, 22, upper mold inner guiding post, 23, upper mold spring retaining plate,
231, the second through-hole, 232, third through-hole, 24, upper mold nitrogen gas spring, 30, upper mold drive block, the 31, first upper mold drive block,
311, the first driving inclined-plane, the 32, second upper mold drive block, the 321, second driving inclined-plane, 40, upper mold bulging die mechanism, 41, bullet
Property spill sliding formwork block, 411, demoulding nitrogen gas spring, 412, bulging female die block, 42, upper mold bulging take-up housing, 50, lower die bulging it is convex
Mold mechanism, 51, flexible convex sliding formwork block, the 511, first spring, 512, spring retainer block, 513, bulging convex module, 52, lower die is swollen
Shape take-up housing, the 53, first lower die nitrogen gas spring, the 54, second lower die nitrogen gas spring, 60, lower die driving mechanism, 61, lower die formed punch,
62, the first lower die driving block, 621, third driving inclined-plane, the 622, the 5th driving inclined-plane, the 63, second lower die driving block,
631, the 4th driving inclined-plane, the 632, the 6th driving inclined-plane, 64, lower die driving sliding block, the 641, the 7th driving inclined-plane, the 642, the 8th drives
Dynamic inclined-plane, 70, lower die holder, 71, driving sliding slot, 711, traversing guide pad, 712, be vertically directed block, 80, product.
Specific embodiment
The embodiment of the present invention is described in detail below.
As shown in Figures 1 to 4, expanding die, including upper die device, lower mold apparatus, upper die device include upper die holder 10, bullet
Property material removing mechanism 20, upper mold drive block 30, upper mold bulging die mechanism 40, lower mold apparatus include lower die bulging punch-pin mechanism 50,
Lower die driving mechanism 60, lower die holder 70, elastic material removing mechanism 20, upper mold drive block 30 are separately mounted on upper die holder 10, upper mold
Bulging die mechanism 40 is mounted on elastic 20 bottom surface of material removing mechanism, has driving sliding slot 71, lower die driving machine on lower die holder 70
Structure 60 is mounted in driving sliding slot 71, and lower die bulging punch-pin mechanism 50 is mounted on lower die holder 70, and is located at lower die driving machine
The top of structure 60；Upper mold drive block 30 and lower die driving mechanism 60 are drivingly connected；
Upper die holder 10, lower die driving mechanism 60 respectively include punching die 11, lower die formed punch 61, upper mold bulging die mechanism
40 include three elastic spill sliding formwork blocks 41, and three elastic spill sliding formwork blocks 41 surround the first bulging hole, lower die bulging punch-pin machine
Structure 50 includes three flexible convex sliding formwork blocks 51, and three flexible convex sliding formwork blocks 51 surround the second bulging hole, and punching die 11 is worn
It crosses the first bulging hole and is connected to each other with lower die formed punch 61 across the second bulging hole.
Wherein, upper mold drive block 30 includes the first upper mold drive block 31, the second upper mold drive block 32, the first upper mold drive block
31, the second upper mold drive block 32 is separately mounted to the both ends of upper die holder 10, and is located at two outsides of lower die driving mechanism 60；Under
Mould driving mechanism 60 further includes the first lower die driving block 62, the second lower die driving block 63, lower die driving sliding block 64, under first
Mould driving block 62, the second lower die driving block 63 are separately mounted to the both ends of lower die driving sliding block 64, the first upper mold drive block
31, the second upper mold drive block 32 is drivingly connected with one end of the first lower die driving block 62, the second lower die driving block 63 respectively,
First lower die driving block 62, the second lower die driving block 63 the other end respectively with lower die driving sliding block 64 both ends drive connect
It connects；Lower die formed punch 61 is mounted on lower die driving sliding block 64；
First upper mold drive block 31, the second upper mold drive block 32 are respectively provided with the first driving inclined-plane 311, the second driving inclined-plane
321, the first driving inclined-plane 311, the second driving inclined-plane 321 are respectively in inwardly downward；The both ends of first lower die driving block 62 point
Not Ju You third driving inclined-plane 621, the 5th driving inclined-plane 622, the both ends of the second lower die driving block 63 are respectively provided with 4 wheel driven
Dynamic inclined-plane 631, the 6th driving inclined-plane 632, third driving inclined-plane 621, the 4th driving inclined-plane 631 respectively in outwardly upward, and
Match with the first driving inclined-plane 311, the second driving inclined-plane 321 inclined-plane drive connection respectively, the 5th driving inclined-plane the 622, the 6th
Driving inclined-plane 632 is respectively in inwardly upward；The both ends of lower die driving sliding block 64 are respectively provided with the drive of the 7th driving inclined-plane the 641, the 8th
Dynamic inclined-plane 642, the 7th driving inclined-plane, the 8th driving inclined-plane 642 are respectively in downward, the 7th driving inclined-plane, the 8th drive outwardly
Dynamic inclined-plane 642 matches with the 5th driving inclined-plane 622, the 6th driving inclined-plane 632 inclined-plane drive connection respectively；
The both ends of sliding slot 71 are driven to be equipped with traversing guide pad 711, the middle part of driving sliding slot 71, which is equipped with, is vertically directed block
712, the first lower die driving block 62, the second lower die driving block 63 two sides be respectively equipped with traversing sliding shoe, traversing sliding shoe
It is connect with traversing 711 slide fit of guide pad；Lower die drive sliding block 64 two sides be equipped with vertical sliding block, vertical sliding block with lead vertically
It is connected to 712 slide fit of block；
Lower die bulging punch-pin mechanism 50 further includes lower die bulging take-up housing 52, the first lower die nitrogen gas spring 53, the second lower die
Nitrogen gas spring 54, the first lower die nitrogen gas spring 53, the second lower die nitrogen gas spring 54 are separately mounted to lower die bulging take-up housing 52
Both ends are respectively equipped with the first card slot, the second card slot on the first lower die driving block 62, the second lower die driving block 63, and lower die is swollen
Shape take-up housing 52 is separately mounted to the first card slot, the second card by the first lower die nitrogen gas spring 53, the second lower die nitrogen gas spring 54
On slot, and the bottom surface of lower die bulging take-up housing 52 is connect with lower die holder 70；
It is set on lower die bulging take-up housing 52 there are three horizontal concrete chute, three flexible convex sliding formwork blocks 51 are separately mounted to three
It is connect in horizontal concrete chute with 52 slide fit of lower die bulging take-up housing；Flexible convex sliding formwork block 51 includes the first spring 511, spring retainer
Block 512, bulging convex module 513, the both ends of the first spring 511 one end with spring retainer block 512, bulging convex module 513 respectively
Connection, the other end of three bulging convex modules 513 surround the second bulging hole；
Upper die holder 10 further includes upper cover plate 12, upper mould fixed plate 13, and elastic material removing mechanism 20 is including in stripper plate 21, upper mold
Guide post 22, upper mold spring retaining plate 23, upper mold nitrogen gas spring 24, upper mould fixed plate 13 are equipped with first through hole 131, upper mold spring
Fixed plate 23 is equipped with the second through-hole 231, third through-hole 232, and stripper plate 21 is equipped with fourth hole 211；Stripper plate 21 passes through
Upper mold inner guiding post 22 is mounted on the bottom surface of upper mould fixed plate 13, and upper mold nitrogen gas spring 24 is mounted on the bottom surface of upper cover plate 12,
And sequentially pass through first through hole 131, third through-hole 232 is connect with stripper plate 21；It is solid that the punching die 11 is mounted on upper mold
On the bottom surface of fixed board 13, and sequentially pass through the second through-hole 231, fourth hole 211, the first bulging hole；
Upper mold bulging die mechanism 40 further includes upper mold bulging take-up housing 42, and upper mold bulging take-up housing 42 is mounted on stripper plate
It on 21 bottom face, is set on upper mold bulging take-up housing 42 there are three oblique sliding slot, elastic spill sliding formwork block 41 includes demoulding nitrogen
Spring 411, bulging female die block 412, three bulging female die blocks 412 are separately mounted on three oblique sliding slots and upper mold bulging sliding block
Seat 42 slide fits connection；Three fifth holes 212 are additionally provided on stripper plate 21, three demoulding nitrogen gas springs 411 are separately mounted to
On the bottom surface of mould spring retaining plate 23, and it is each passed through three fifth holes 212 and is connect with three bulging female die blocks 412.
The application method of expanding die, comprising the following steps:
Upper die device downlink, punching die 11, elastic material removing mechanism 20, upper mold drive block 30, upper mold bulging die mechanism
40 downlink, three elastic spill sliding formwork blocks 41 touch three flexible convex sliding formwork blocks 51, three elastic spill sliding formworks respectively simultaneously
Block 41 distinguishes elastic compression, and three elastic spill sliding formwork blocks 41 slide closure to the center of product 80 and form the first bulging hole；
Upper die device continues traveling downwardly, and punching die 11, elastic material removing mechanism 20, upper mold drive block 30 continue traveling downwardly；
Upper mold bulging die mechanism 40 and lower die bulging punch-pin mechanism 50 push against, elastic 20 elastic compression of material removing mechanism；On
Mould drive block 30 drives downwards lower die driving mechanism 60,61 uplink of lower die formed punch；
Punching die 11 continues traveling downwardly, while lower die formed punch 61 continues uplink, and punching die 11 injects the first bulging hole and drives
Dynamic three elastic spill sliding formwork blocks 41 are slid in and out with 80 center of product；Lower die formed punch 61 injects the second bulging hole and drives three bullets
Property convex sliding formwork block 51 slid in and out with 80 center of product, three flexible convex sliding formwork blocks 51 distinguish elastic compressions, and product 80 is swollen
Shape；
Bulging terminates, upper die device uplink, upper mold drive block 30,11 uplink of punching die, upper mold drive block 30 and lower die
Driving mechanism 60 separates, while 61 downlink of lower die formed punch；
Lower die formed punch 61 leaves the second bulging hole, and three flexible convex sliding formwork blocks 51 are sprung back, three flexible convex sliding formwork blocks
51 slide disengaging product 80 to the center of product 80；
Elastic material removing mechanism 20 is sprung back, and punching die 11 leaves the first bulging hole；
Upper die device continuation uplink, upper mold drive block 30, elastic material removing mechanism 20, the continuation uplink of punching die 11, three
Elastic spill sliding formwork block 41 is sprung back, and three elastic spill sliding formwork blocks 41 are slid in and out centered on product 80 and are detached from product 80.
The present embodiment has the advantages that
1, this expanding die includes upper die device, lower mold apparatus, and upper die device includes upper die holder 10, elastic material removing mechanism
20, upper mold drive block 30, upper mold bulging die mechanism 40, lower mold apparatus include lower die bulging punch-pin mechanism 50, lower die driving machine
Structure 60, lower die holder 70, in use, first trip upper die device downlink, upper die holder 10 will drive punching die 11, elastic material removing mechanism
20, upper mold drive block 30, upper mold bulging die mechanism 40 while downlink, when three elastic spills of upper mold bulging die mechanism 40
When sliding formwork block 41 touches three flexible convex sliding formwork blocks 51 of lower die bulging punch-pin mechanism 50 respectively, three elastic spill sliding formworks
Block 41 distinguishes elastic compression, and three elastic spill sliding formwork blocks 41 slide closure to the center of product 80 and form the first bulging hole；
Upper die device continues traveling downwardly, and upper die holder 10 continues to drive punching die 11, elastic material removing mechanism 20, upper mold drive block
30 continue traveling downwardly；At this point, upper mold bulging die mechanism 40 has been pushed against with lower die bulging punch-pin mechanism 50, elastic 20 bullet of material removing mechanism
Property forced compression；Driving lower die driving mechanism 60, lower die driving mechanism 60 make lower die formed punch 61 to upper mold drive block 30 downwards simultaneously
Uplink；
Punching die 11 continues traveling downwardly, while lower die formed punch 61 continues uplink, and punching die 11 injects the first bulging hole and drives
Dynamic three elastic spill sliding formwork blocks 41 are slid in and out with 80 center of product；Lower die formed punch 61 injects the second bulging hole and drives three bullets
Property convex sliding formwork block 51 slid in and out with 80 center of product, three flexible convex sliding formwork blocks 51 distinguish elastic compressions, realize simultaneously
80 bulging of product；
Bulging terminates, upper die device uplink, and upper die holder 10 drives upper mold drive block 30,11 uplink of punching die simultaneously, on
Mould drive block 30 is separated with lower die driving mechanism 60, while 61 downlink of lower die formed punch；Lower die formed punch 61 leaves the second bulging hole, and three
A flexible convex sliding formwork block 51 is sprung back, and three flexible convex sliding formwork blocks 51 slide to the center of product 80 and are detached from product 80；At this point,
Since upper mold bulging die mechanism 40 and lower die bulging punch-pin mechanism 50 are separated, elastic material removing mechanism 20 is sprung back, punching die
11 leave the first bulging hole；
Upper die device continues uplink, upper die holder 10 drive upper mold drive block 30, elastic material removing mechanism 20, punching die 11 after
Continuous uplink, then three elastic spill sliding formwork blocks 41 are sprung back, and three elastic spill sliding formwork blocks 41 are slided outward centered on product 80
Dynamic to be detached from product 80, the work of 80 bulging of product terminates；
The expanding die can carry out bulging to the part of bulging in narrow die space, and this structure can be real
Now inwardly or outwardly simultaneously bulging, convenient for product 80 bulging adjust, improve product 80 precision.
2, upper mold drive block 30 includes the first upper mold drive block 31, the second upper mold drive block 32, and lower die driving mechanism 60 is also
Sliding block 64 is driven including the first lower die driving block 62, the second lower die driving block 63, lower die, in use, upper die holder 10 first
It runs down, upper die holder 10 drives the first upper mold drive block 31 at 10 both ends of upper die holder, the second upper mold drive block 32 straight down
Operation, then the first upper mold drive block 31, the second upper mold drive block 32 drive the first lower die driving block 62, the second lower die simultaneously
Driving block 63 is mobile to intermediate lateral respectively, to make the first lower die driving block 62, the second lower die driving block 63 under
The both ends driving lower die driving sliding block 64 of mould driving sliding block 64 is run straight up, is realized upper die holder 10 and is run down then drive
Dynamic lower die formed punch 61 is run straight up.
3, it is oblique to be respectively provided with the driving of the first driving inclined-plane 311, second for the first upper mold drive block 31, the second upper mold drive block 32
Face 321, the both ends of the first lower die driving block 62 are respectively provided with third driving inclined-plane 621, the 5th driving inclined-plane 622, under second
The both ends of mould driving block 63 are respectively provided with the 4th driving inclined-plane 631, the 6th driving inclined-plane 632, and lower die drives the two of sliding block 64
End is respectively provided with the 7th driving inclined-plane 641, the 8th driving inclined-plane 642, in use, the first driving inclined-plane 311, the second driving inclined-plane
321 move separately down, because the first driving inclined-plane 311, the second driving inclined-plane 321 are respectively in inwardly downward, so that third be made to drive
The distance between dynamic inclined-plane 621, the 4th driving inclined-plane 631 are gradually reduced, and then drive under the first lower die driving block 62, second
Mould driving block 63 is mobile to centre, and the distance between the 5th driving inclined-plane 622, the 6th driving inclined-plane 632 are also gradually reduced, and leads to
Cross the 5th driving inclined-plane 622, the 6th driving inclined-plane 632 driving lifting lower die driving sliding block 64 moves upwards.
4, it drives the both ends of sliding slot 71 to be equipped with traversing guide pad 711, ensure that the first lower die driving block 62, the second lower die
The movement of 63 transverse direction of driving block is more stable, reliable, and the middle part of driving sliding slot 71, which is equipped with, is vertically directed block 712, protects
It is more stable, reliable lower die driving 64 vertical direction of sliding block movement has been demonstrate,proved.
5, lower die bulging punch-pin mechanism 50 further includes under lower die bulging take-up housing 52, the first lower die nitrogen gas spring 53, second
Mould nitrogen gas spring 54, the setting of the first lower die nitrogen gas spring 53, the second lower die nitrogen gas spring 54, when upper mold drive block 30 and lower die
Driving mechanism 60 separate when, the first lower die driving block 62, the second lower die driving block 63 using the first lower die nitrogen gas spring 53,
The screen resilience of second lower die nitrogen gas spring 54 can be such that the first lower die driving block 62, the second lower die driving block 63 returns well
Position.
6, horizontal concrete chute there are three setting on lower die bulging take-up housing 52, makes three flexible convex sliding formwork blocks 51 and lower die bulging
The slide fit connection of take-up housing 52 is more stable, reliable.
7, flexible convex sliding formwork block 51 includes the first spring 511, spring retainer block 512, bulging convex module 513, works as lower die
When formed punch 61 leaves the second bulging hole, the screen resilience that bulging convex module 513 can use the first spring 511 is kept in the center.
8, upper die holder 10 further includes upper cover plate 12, upper mould fixed plate 13, and elastic material removing mechanism 20 includes stripper plate 21, upper mold
Inner guiding post 22, upper mold spring retaining plate 23, upper mold nitrogen gas spring 24, upper mold nitrogen gas spring 24 provide rebound for stripper plate 21 and move
Power, upper mold inner guiding post 22 can make the direction of motion of stripper plate 21 more stable, reliable, ensure that the precision that product 80 demoulds.
9, upper mold bulging die mechanism 40 further includes upper mold bulging take-up housing 42, set on upper mold bulging take-up housing 42 there are three
Oblique sliding slot, three bulging female die blocks 412 are separately mounted on three oblique sliding slots, ensure that three bulging female die blocks
The 412 oblique sliding stability in upper mold bulging take-up housing 42；The setting of nitrogen gas spring 411 is demoulded, is bulging female die block 412
Demoulding provide rebound power.
The above is only specific embodiments of the present invention, are not limited the scope of protection of the present invention with this；Do not violating this hair
Made any replacement and improvement, category protection scope of the present invention on the basis of bright design.
Claims (10)
1. expanding die, which is characterized in that including upper die device, lower mold apparatus, the upper die device includes that upper die holder, elasticity are de-
Expect mechanism, upper mold drive block, upper mold bulging die mechanism, the lower mold apparatus includes lower die bulging punch-pin mechanism, lower die driving
Mechanism, lower die holder, the elasticity material removing mechanism, upper mold drive block are separately mounted on the upper die holder, and the upper mold bulging is recessed
Mold mechanism is mounted on the elastic material removing mechanism bottom surface, has driving sliding slot, the lower die driving mechanism on the lower die holder
It is mounted in the driving sliding slot, the lower die bulging punch-pin mechanism installation on the lower die holder, and is located at the lower die
The top of driving mechanism；The upper mold drive block and the lower die driving mechanism are drivingly connected；
The upper die holder, lower die driving mechanism respectively include punching die, lower die formed punch, and the upper mold bulging die mechanism includes
Three elastic spill sliding formwork blocks, three elastic spill sliding formwork blocks surround the first bulging hole, the lower die bulging punch-pin mechanism
Including three flexible convex sliding formwork blocks, three flexible convex sliding formwork blocks surround the second bulging hole, and the punching die passes through
First bulging hole passes through second bulging hole with the lower die formed punch and is connected to each other.
2. expanding die as described in claim 1, which is characterized in that the upper mold drive block include the first upper mold drive block,
Second upper mold drive block, the first upper mold drive block, the second upper mold drive block are separately mounted to the both ends of the upper die holder, and
And it is located at two outsides of the lower die driving mechanism；The lower die driving mechanism further includes under the first lower die driving block, second
Mould driving block, lower die drive sliding block, the first lower die driving block, the second lower die driving block be separately mounted to it is described under
Mould drive sliding block both ends, the first upper mold drive block, the second upper mold drive block respectively with the first lower die driving block,
One end of second lower die driving block is drivingly connected, the other end of the first lower die driving block, the second lower die driving block
The both ends with lower die driving sliding block are drivingly connected respectively；The lower die formed punch is mounted on the lower die driving sliding block.
3. expanding die as claimed in claim 2, which is characterized in that the first upper mold drive block, the second upper mold drive block
It is respectively provided with the first driving inclined-plane, the second driving inclined-plane, first driving inclined-plane, the second driving inclined-plane are in court inwardly respectively
Under；The both ends of the first lower die driving block are respectively provided with third driving inclined-plane, the 5th driving inclined-plane, and second lower die passes
The both ends of movable slider are respectively provided with the 4th driving inclined-plane, the 6th driving inclined-plane, the third driving inclined-plane, the 4th driving inclined-plane point
Cheng not outwardly upward, and the inclined-plane drive connection that matches respectively with first driving inclined-plane, the second driving inclined-plane, described the
Five driving inclined-planes, the 6th driving inclined-plane are in inwardly upward respectively；The both ends of the lower die driving sliding block are respectively provided with the 7th driving
Inclined-plane, the 8th driving inclined-plane, the 7th driving inclined-plane, the 8th driving inclined-plane are in that outwardly downward, described the seventh the drive respectively
Dynamic inclined-plane, the 8th driving inclined-plane match with the 5th driving inclined-plane, the 6th driving inclined-plane inclined-plane drive connection respectively.
4. expanding die as claimed in claim 2, which is characterized in that the both ends of the driving sliding slot are equipped with traversing guide pad,
The middle part of the driving sliding slot, which is equipped with, is vertically directed block, and the two of the first lower die driving block, the second lower die driving block
Side is respectively equipped with traversing sliding shoe, and the traversing sliding shoe is connect with the traversing guide pad slide fit；The lower die drives sliding block
Two sides be equipped with vertical sliding block, the vertical sliding block connect with the block slide fit that is vertically directed.
5. expanding die as claimed in claim 2, which is characterized in that the lower die bulging punch-pin mechanism further includes lower die bulging
Take-up housing, the first lower die nitrogen gas spring, the second lower die nitrogen gas spring, the first lower die nitrogen gas spring, the second lower die nitrogen bullet
Spring is separately mounted to the both ends of the lower die bulging take-up housing, on the first lower die driving block, the second lower die driving block
It is respectively equipped with the first card slot, the second card slot, the lower die bulging take-up housing passes through the first lower die nitrogen gas spring, the second lower die
Nitrogen gas spring is separately mounted to first card slot, on the second card slot, and the bottom surface of the lower die bulging take-up housing with it is described
Lower die holder connection.
6. expanding die as claimed in claim 5, which is characterized in that set on the lower die bulging take-up housing and slided there are three lateral
Slot, three flexible convex sliding formwork blocks are separately mounted in three horizontal concrete chutes and the lower die bulging take-up housing slide fit
Connection.
7. expanding die as claimed in claim 6, which is characterized in that the flexible convex sliding formwork block includes the first spring, bullet
Spring limited block, bulging convex module, the both ends of first spring connect with one end of the spring retainer block, bulging convex module respectively
It connects, the other end of three bulging convex modules surrounds the second bulging hole.
8. expanding die as described in any one of claim 1 to 7, which is characterized in that the upper die holder further include upper cover plate, on
Mould fixed plate, the elasticity material removing mechanism includes stripper plate, upper mold inner guiding post, upper mold spring retaining plate, upper mold nitrogen gas spring, institute
Upper mould fixed plate is stated equipped with first through hole, the upper mold spring retaining plate is equipped with the second through-hole, third through-hole, the de- material
Plate is equipped with fourth hole；The stripper plate is mounted on the bottom surface of the upper mould fixed plate by the upper mold inner guiding post, institute
It states upper mold nitrogen gas spring to be mounted on the bottom surface of the upper cover plate, and sequentially passes through the first through hole, third through-hole and institute
State stripper plate connection；The punching die is mounted on the bottom surface of the upper mould fixed plate, and sequentially passes through described
Two through-holes, fourth hole, the first bulging hole.
9. expanding die as claimed in claim 8, which is characterized in that the upper mold bulging die mechanism further includes upper mold bulging
Take-up housing, the upper mold bulging take-up housing are mounted on the bottom face of the stripper plate, and the upper mold bulging take-up housing is equipped with
Three oblique sliding slots, the elasticity spill sliding formwork block include demoulding nitrogen gas spring, bulging female die block, three bulging female die blocks
It is separately mounted to connect on three oblique sliding slots with the upper mold bulging take-up housing slide fit；Three are additionally provided on the stripper plate
A fifth hole, three demoulding nitrogen gas springs are separately mounted on the bottom surface of the upper mold spring retaining plate, and respectively
It is connect across three fifth holes with three bulging female die blocks.
10. the application method of expanding die, which comprises the following steps:
Upper die device downlink, punching die, elastic material removing mechanism, upper mold drive block, upper mold bulging die mechanism while downlink, three
A elasticity spill sliding formwork block touches three flexible convex sliding formwork blocks respectively, and three elastic spill sliding formwork blocks distinguish elastic compressions, and three
A elasticity spill sliding formwork block slides closure to the center of product and forms the first bulging hole；
Upper die device continues traveling downwardly, and punching die, elastic material removing mechanism, upper mold drive block continue traveling downwardly；
Upper mold bulging die mechanism and lower die bulging punch-pin mechanism push against, elastic material removing mechanism elastic compression；Upper mold drive block to
Lower driving lower die driving mechanism, lower die formed punch uplink；
Punching die continues traveling downwardly, while lower die formed punch continues uplink, and punching die injects the first bulging hole and drives three elasticity
Spill sliding formwork block is slid in and out with product center；Lower die formed punch injects the second bulging hole and drives three flexible convex sliding formwork blocks to produce
Product center slides in and out, and three flexible convex sliding formwork blocks distinguish elastic compression, product bulging；
Bulging terminates, upper die device uplink, upper mold drive block, punching die uplink, upper mold drive block and lower die driving mechanism point
From, while lower die formed punch downlink；
Lower die formed punch leaves the second bulging hole, three flexible convex sliding formwork blocks rebounds, and three flexible convex sliding formwork blocks are to product
Center sliding is detached from product；
Elastic material removing mechanism rebound, punching die leave the first bulging hole；
Upper die device continues uplink, and upper mold drive block, elastic material removing mechanism, punching die continue uplink, and three elastic spills are sliding
Module rebound, three elastic spill sliding formwork blocks are product-centered to slide in and out disengaging product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811064456.9A CN109013905A (en) | 2018-09-12 | 2018-09-12 | Expanding die and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811064456.9A CN109013905A (en) | 2018-09-12 | 2018-09-12 | Expanding die and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109013905A true CN109013905A (en) | 2018-12-18 |
Family
ID=64621206
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811064456.9A Pending CN109013905A (en) | 2018-09-12 | 2018-09-12 | Expanding die and its application method |
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| Country | Link |
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| CN (1) | CN109013905A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355280A (en) * | 2019-08-16 | 2019-10-22 | 深圳数码模汽车技术有限公司 | A kind of automobile oil-way sheet metal component expanding die |
| CN114904979A (en) * | 2022-02-16 | 2022-08-16 | 中国第一汽车股份有限公司 | Demoulding method for high-speed production of bulging stamping part |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202356504U (en) * | 2011-10-14 | 2012-08-01 | 东莞市中泰模具有限公司 | Inside-out moulding mechanism for stamping |
| CN202725800U (en) * | 2012-06-21 | 2013-02-13 | 杭州统奔模具制造有限公司 | Bulging die |
| CN206779278U (en) * | 2017-04-21 | 2017-12-22 | 成都腾达模具有限公司 | Expanding die for connector in nuclear power generation device |
| CN108453177A (en) * | 2017-12-27 | 2018-08-28 | 中核北方核燃料元件有限公司 | A kind of nuclear fuel assembly locking tube punching die |
| CN208853558U (en) * | 2018-09-12 | 2019-05-14 | 广东天倬智能装备科技有限公司 | Expanding die |
-
2018
- 2018-09-12 CN CN201811064456.9A patent/CN109013905A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202356504U (en) * | 2011-10-14 | 2012-08-01 | 东莞市中泰模具有限公司 | Inside-out moulding mechanism for stamping |
| CN202725800U (en) * | 2012-06-21 | 2013-02-13 | 杭州统奔模具制造有限公司 | Bulging die |
| CN206779278U (en) * | 2017-04-21 | 2017-12-22 | 成都腾达模具有限公司 | Expanding die for connector in nuclear power generation device |
| CN108453177A (en) * | 2017-12-27 | 2018-08-28 | 中核北方核燃料元件有限公司 | A kind of nuclear fuel assembly locking tube punching die |
| CN208853558U (en) * | 2018-09-12 | 2019-05-14 | 广东天倬智能装备科技有限公司 | Expanding die |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355280A (en) * | 2019-08-16 | 2019-10-22 | 深圳数码模汽车技术有限公司 | A kind of automobile oil-way sheet metal component expanding die |
| CN110355280B (en) * | 2019-08-16 | 2023-09-19 | 深圳数码模汽车技术有限公司 | Bulging die for automobile oil way sheet metal part |
| CN114904979A (en) * | 2022-02-16 | 2022-08-16 | 中国第一汽车股份有限公司 | Demoulding method for high-speed production of bulging stamping part |
| CN114904979B (en) * | 2022-02-16 | 2024-06-04 | 中国第一汽车股份有限公司 | Demoulding method for producing bulging stamping parts at high speed |
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