CN107214246A - The processing method of layer slice structure hot stamping die and its punch-pin and cavity plate - Google Patents
The processing method of layer slice structure hot stamping die and its punch-pin and cavity plate Download PDFInfo
- Publication number
- CN107214246A CN107214246A CN201710501651.2A CN201710501651A CN107214246A CN 107214246 A CN107214246 A CN 107214246A CN 201710501651 A CN201710501651 A CN 201710501651A CN 107214246 A CN107214246 A CN 107214246A
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- Prior art keywords
- pin
- punch
- cavity plate
- cooling passage
- female die
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- 238000003672 processing method Methods 0.000 title claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 96
- 238000003466 welding Methods 0.000 claims abstract description 16
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- 238000009958 sewing Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 32
- 239000002826 coolant Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 229910000679 solder Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000003607 modifier Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 abstract description 10
- 238000010791 quenching Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- 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
- B21D37/20—Making tools by operations not covered by a single other subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses the processing method of a kind of layer of slice structure hot stamping die and its punch-pin and cavity plate, this hot stamping die includes upper die component and lower mold assemblies, the upper die component includes punch-pin, the lower mold assemblies include the cavity plate being adapted with punch-pin, and punch-pin in cavity plate with being provided with cooling passage；Punch-pin/the cavity plate is divided between some convex module/female die blocks, adjacent convex module/female die block in the horizontal direction seals connecting sewing by way of screw and pin are connected and use welding；The cooling passage junction of adjacent convex module/female die block is provided with seal pipe, and adjacent two convex modules/female die block is inserted at the seal pipe two ends respectively, and corresponding cooling passage is connected and sealed by every seal pipe.The punch-pin produced by this processing method/cavity plate cooling passage is set along punch-pin/cavity plate working face, is solved complicated punch-pin/cavity plate cooling passage and is set problem, substantially improves heat-punch member quenching effect.
Description
Technical field
The present invention relates to technical field of mold, more particularly to a kind of layer slice structure hot stamping die and its punch-pin and recessed
The processing method of mould.
Background technology
It is the effective means for realizing body lightening using ultrahigh-strength steel plates formed automotive body part, but traditional cold stamping
High intensity and low elongation feature of the technological side to ultrahigh-strength steel plates at normal temperatures, it appears unable to do what one wishes, therefore drop stamping skill
Art is arisen at the historic moment, and it can solve the limitation of ultrahigh-strength steel plates forming property under normal temperature.
Drop stamping technology is a kind of advanced manufacturing technology for shaping superhigh intensity part, and its principle is first by unimach
Superhigh intensity heat parts after plate or preform are sent in special dies to more than 950 DEG C after complete austenitizing
Shaping, pressurize carries out die quenching afterwards for a period of time, under the quenching rate more than 30 DEG C/S, and drip molding microstructure is by Austria
Family name's body is changed into martensite, so that the intensity of final drip molding reaches more than 1500MPa.
In hot stamping die during quenching workpiece, hot stamping die cooling effectiveness directly affect workpiece forming property and
The mechanical property of part after shaping.In order to realize workpiece fast cooling, in the prior art, it is necessary to be set in hot stamping die cold
But liquid passage, is taken away heat by the coolant flowed through in cooling passage in hot stamping die quenching workpiece；Coolant
The design of passage determines hot stamping die cooling effectiveness, therefore, and the processing of cooling passage is of crucial importance, is hot stamping die
One of key technology of quenching.At present, in punch-pin or the complex hot stamping die of cavity plate, cooling passage be difficult everywhere with
Corresponding punch-pin or cavity plate working face keeps spacing simultaneously, if a cooling passage in different positions and corresponding punch-pin or
Cavity plate working face range difference away from it is excessive when, the effect that the coolant of a cooling passage diverse location takes away heat will gap
It is larger, and then the effect of quenching workpiece in hot stamping die can be influenceed.Therefore, cooling passage how is reduced in different positions
With complicated shape punch-pin or cavity plate working face range difference away from being the problem of needing to solve at present.
The content of the invention
The purpose of the present invention is to be improved that there is provided a kind of layer slice structure drop stamping mould in view of the shortcomings of the prior art
The processing method of tool and its punch-pin and cavity plate, the hot stamping die manufactured by the processing method solves complicated punch-pin/cavity plate
Cooling passage sets problem, substantially improves heat-punch member quenching effect.
The technical proposal of the invention is realized in this way：
In a first aspect, the invention provides a kind of layer slice structure hot stamping die, including upper die component and lower mold assemblies, it is described
Upper die component includes punch-pin, and the lower mold assemblies include cavity plate, and the punch-pin is adapted with the cavity plate, in punch-pin and cavity plate
It is provided with cooling passage；The punch-pin is divided into some convex modules, every punch-pin coolant of every piece of convex module in the horizontal direction
Passage intersects by axis and the straight section of diameter identical two is constituted, and connects and adopts by screw and pin between adjacent convex module
The connecting sewing between adjacent convex module is sealed with the mode of welding；Adjacent punch-pin cooling passage is corresponded and in correspondence
Punch-pin cooling passage junction be provided with punch-pin cooling passage seal pipe, the punch-pin cooling passage seal pipe two ends
Two adjacent convex modules are inserted respectively, and every punch-pin cooling passage seal pipe connects corresponding punch-pin cooling passage and close
Envelope；The cavity plate is divided into some female die blocks in the horizontal direction, and the female die block is equal with the punch-pin number of blocks and corresponds；
Every cavity plate cooling passage of every piece of female die block intersects by axis and the straight section of diameter identical two is constituted, adjacent female die block
Between screw and pin connect and use welding by way of by between adjacent female die block connecting sewing seal；Adjacent cavity plate
Cooling passage corresponds and corresponding cavity plate cooling passage junction is provided with cavity plate cooling passage seal pipe, institute
State cavity plate cooling passage seal pipe two ends and insert two adjacent female die blocks respectively, every cavity plate cooling passage seal pipe will be right
The cavity plate cooling passage answered is connected and sealed.
Further, upper die component of the present invention also includes upper bolster, and the punch-pin upper end leads to upper bolster lower surface
Cross screw and pin connection；The lower mold assemblies also include die shoe, and the cavity plate lower end passes through screw with die shoe upper surface
With pin connection.
Further, upper bolster of the present invention includes some guide sleeves, and the guide sleeve fixes with upper bolster, it is described under
Die holder includes some leads, and the lead is fixed with die shoe, and the guide sleeve connects one to one with the lead
And be adapted.
Further, upper die component of the present invention also includes punch-pin liquid feeding end first speed block and punch-pin outlet end first speed block,
Punch-pin liquid feeding end first speed block positioned at punch-pin side is provided with punch-pin admission chamber, the punch-pin admission chamber and punch-pin cooling passage
Liquid feeding end is connected；The punch-pin outlet end first speed block of punch-pin opposite side is provided with punch-pin and goes out sap cavity, the punch-pin goes out sap cavity
Connected with punch-pin cooling passage outlet end；Punch-pin admission chamber is connected by pipe joint with feed tube, and punch-pin goes out sap cavity and passed through
Pipe joint is connected with discharging tube；The lower mold assemblies also include cavity plate liquid feeding end first speed block and cavity plate outlet end first speed block, are located at
The cavity plate liquid feeding end first speed block of cavity plate side is provided with cavity plate admission chamber, the cavity plate admission chamber and cavity plate cooling passage feed liquor
End is connected；The cavity plate outlet end first speed block of cavity plate opposite side is provided with cavity plate and goes out sap cavity, the cavity plate go out sap cavity with it is recessed
Mould cooling passage outlet end is connected；Cavity plate admission chamber is connected by pipe joint with feed tube, and cavity plate goes out sap cavity and connect by pipe
Head is connected with discharging tube.
Further, punch-pin of the present invention/cavity plate liquid feeding end first speed block is located at punch-pin/cavity plate outlet end first speed block pair
Side, punch-pin/cavity plate liquid feeding end first speed block is fixedly connected with punch-pin/cavity plate outlet end first speed block and punch-pin/cavity plate.
Further, seal pipe of the present invention is metal tube.
Second aspect, present invention also offers the processing method of a kind of layer of slice structure hot stamping die punch-pin and cavity plate,
Comprise the following steps：
1）When manufacturing punch-pin/cavity plate, punch-pin/cavity plate is divided into some convex module/female die blocks in the horizontal direction, some convex modules/
The joint face surrounding of female die block is respectively provided with groove to weld；
2）The cooling passage processed respectively on every piece of convex module/female die block, it is ensured that the cooling on adjacent convex module/female die block
Liquid passage is corresponded；
3）Corresponding cooling passage junction processes seal pipe mounting hole on adjacent convex module/female die block, adjacent
Corresponding seal pipe mounting hole is horizontally disposed with convex module/female die block and specification is identical；
4）Seal pipe is installed, connected between convex module/female die block, adjacent convex module/female die block using screw and pin combination
Mode connect, constitute punch-pin/cavity plate after the connection of some convex modules/female die block；
5）Two adjacent convex modules/female die block is used into built-up welding along the gap of two adjacent convex modules/female die block joint face surrounding
Mode be welded to connect, core wire used is that heat resistant and wear resistant damages core wire during welding, it is ensured that solder side after welding higher than punch-pin/
Cavity plate body height；
6）Carrying out finishing to weld makes weld be flushed with punch-pin/cavity plate body of weld both sides；
7）By the overall modifier treatment of punch-pin/cavity plate.
Further, step 2 of the present invention）Middle cooling passage moves towards to set along convex module/female die block working face.
Further, step 4 of the present invention）Middle sealing length of tube is more than two adjacent seal pipes and installs hole length sum, even
By seal pipe crimp will be sealed between cooling passage and convex module/female die block when connecing adjacent convex module/female die block.
Further, step 5 of the present invention）Middle solder side is higher than punch-pin/1 ~ 3mm of cavity plate body.
Compared with prior art, the beneficial effects are mainly as follows：The present invention is by complicated shape in hot stamping die
Punch-pin/cavity plate be horizontally split into some convex module/female die blocks and process respectively, every piece of convex module/female die block individually adds
Work cooling passage, makes the cooling passage of every piece of convex module/female die block move towards to set along convex module/female die block working face,
Solve complicated shape punch-pin/cavity plate cooling passage and problem be set, improve the cooling effect of complicated shape punch-pin/cavity plate,
So as to substantially improve the quenching effect of drop stamping workpiece in mould.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
In accompanying drawing：1- convex modules；2- female die blocks；3- cooling passages；4- seal pipes；5- upper bolsters；6- die shoes；7- spiral shells
Nail and pin；8- pipe joints；
11- punch-pin liquid feeding end first speed blocks；12- punch-pin outlet end first speed blocks；13- punch-pin admission chambers；14- punch-pin goes out sap cavity；21- is recessed
Mould liquid feeding end first speed block；22- cavity plate outlet end first speed blocks；23- cavity plate admission chambers；24- cavity plates go out sap cavity；31- punch-pin coolants
Passage；32- cavity plate cooling passages；41- punch-pin cooling passage seal pipes；42- cavity plate cooling passage seal pipes；51- is led
To set；61- leads.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of layer slice structure hot stamping die of the present embodiment, including upper die component and lower mold assemblies,
The upper die component includes punch-pin, and the lower mold assemblies include cavity plate, and the punch-pin is adapted with the cavity plate, punch-pin and cavity plate
In be provided with cooling passage 3.
As shown in figure 1, punch-pin is divided into some convex modules 1 in the horizontal direction, every punch-pin coolant of every piece of convex module 1 is led to
Road 31 intersects by axis and the straight section of diameter identical two is constituted, and is connected simultaneously by screw and pin 7 between adjacent convex module 1
The connecting sewing between adjacent convex module 1 is sealed by the way of welding；Adjacent punch-pin cooling passage 31 is corresponded simultaneously
The corresponding junction of punch-pin cooling passage 31 is provided with punch-pin cooling passage seal pipe 41, the punch-pin cooling passage
Two adjacent convex modules 1 are inserted at the two ends of seal pipe 41 respectively, and every punch-pin cooling passage seal pipe 41 is cold by corresponding punch-pin
But liquid passage 31 is connected and sealed.
As shown in figure 1, cavity plate is divided into some female die blocks 2, the female die block 2 and the quantity of convex module 1 in the horizontal direction
Equal and one-to-one corresponding；Every cavity plate cooling passage 32 of every piece of female die block 2 intersects by axis and diameter identical two is straight
Section is constituted, by between adjacent female die block 2 by way of screw and pin 7 are connected and use welding between adjacent female die block 2
Connecting sewing sealing；Adjacent cavity plate cooling passage 32 is corresponded and set in the corresponding junction of cavity plate cooling passage 32
Cavity plate cooling passage seal pipe 42 is equipped with, two adjacent cavity plates are inserted at the two ends of cavity plate cooling passage seal pipe 42 respectively
Corresponding cavity plate cooling passage 32 is connected and sealed by block 2, every cavity plate cooling passage seal pipe 42.
Punch-pin cooling passage seal pipe 41 and cavity plate cooling passage seal pipe 42 use softer refractory metal
Pipe, such as copper pipe.
As shown in figure 1, upper die component also includes upper bolster 5, the punch-pin upper end and the lower surface of upper bolster 5 by screw and
Pin 7 is connected；The lower mold assemblies also include die shoe 6, and the cavity plate lower end passes through screw and pin with the upper surface of die shoe 6
7 connections.Specifically, pin is used for realizing the positioning of connector, and screw is used for realizing the fastening of connector.
As shown in figure 1, upper bolster 5 includes some guide sleeves 51, the guide sleeve 51 is fixed with upper bolster 5, the lower mould
Seat 6 includes some leads 61, and the lead 61 is fixed with die shoe 6, and the guide sleeve 51 and the lead 61 are one by one
Correspondence is connected and is adapted.
As shown in figure 1, upper die component also includes punch-pin liquid feeding end first speed block 11 and punch-pin outlet end first speed block 12, positioned at convex
The punch-pin liquid feeding end first speed block 11 of mould side is provided with punch-pin admission chamber 13, the punch-pin admission chamber 13 and punch-pin cooling passage
31 liquid feeding end is connected；The punch-pin outlet end first speed block 12 of punch-pin opposite side is provided with punch-pin and goes out sap cavity 14, it is described convex
Mould goes out sap cavity 14 and connected with the outlet end of punch-pin cooling passage 31；Punch-pin admission chamber 13 is connected by pipe joint 8 and feed tube
Logical, punch-pin goes out sap cavity 14 and connected by pipe joint 8 with discharging tube, and coolant flows into punch-pin admission chamber 13 from feed tube, and punch-pin enters
Coolant in sap cavity 13 flow to punch-pin through punch-pin cooling passage 31 and goes out sap cavity 14, and punch-pin goes out the coolant of sap cavity 14 through discharge opeing
Pipe flows out punch-pin.Specifically, in the present embodiment, punch-pin liquid feeding end first speed block 11 is located at the offside of punch-pin outlet end first speed block 12, convex
Mould liquid feeding end first speed block 11 and punch-pin outlet end first speed block 12 are fixedly connected with punch-pin, to ensure sealing during connection.
As shown in figure 1, lower mold assemblies also include cavity plate liquid feeding end first speed block 21 and cavity plate outlet end first speed block 22, positioned at recessed
The cavity plate liquid feeding end first speed block 21 of mould side is provided with cavity plate admission chamber 23, the cavity plate admission chamber 23 and cavity plate cooling passage
32 liquid feeding ends are connected；The cavity plate outlet end first speed block 22 of cavity plate opposite side is provided with cavity plate and goes out sap cavity 24, the cavity plate
Go out sap cavity 24 to connect with the outlet end of cavity plate cooling passage 32；Cavity plate admission chamber 23 is connected by pipe joint 8 with feed tube, recessed
Mould goes out sap cavity 24 and connected by pipe joint 8 with discharging tube, and coolant flows into cavity plate admission chamber 23, cavity plate admission chamber 23 from feed tube
In coolant flow to cavity plate through cavity plate cooling passage 32 and go out sap cavity 24, the coolant that cavity plate goes out sap cavity 24 flows out through discharging tube
Cavity plate.Specifically, in the present embodiment, cavity plate liquid feeding end first speed block 21 is located at the offside of cavity plate outlet end first speed block 22, cavity plate feed liquor
Termination block 21 and cavity plate outlet end first speed block 22 are fixedly connected with cavity plate, to ensure sealing during connection.
Present invention also offers the processing method of a kind of layer of slice structure hot stamping die punch-pin and cavity plate, including following step
Suddenly：
1）When manufacturing punch-pin/cavity plate, punch-pin/cavity plate is divided into some female die blocks 2 of convex module 1/, some convex modules in the horizontal direction
The joint face surrounding of 1/ female die block 2 is respectively provided with groove to weld；
2）The cooling passage 3 processed respectively on every piece of female die block 2 of convex module 1/, it is ensured that on the adjacent female die block 2 of convex module 1/
Cooling passage 3 correspond；Wherein cooling passage 3 moves towards to set along the working face of 1/ female die block of convex module 2；
3）The corresponding junction of cooling passage 3 processes seal pipe mounting hole on the adjacent female die block 2 of convex module 1/, adjacent
The female die block 2 of convex module 1/ on corresponding seal pipe mounting hole be horizontally disposed with and specification is identical；
4）Seal pipe 4 is installed, connects and screw and pin is used between the female die block 2 of convex module 1/, the adjacent female die block 2 of convex module 1/
7 modes combined are connected, and punch-pin/cavity plate is constituted after some female die block 2 of convex module 1/ connections；Wherein the length of seal pipe 4 is more than phase
Two adjacent seal pipes install hole length sum, by the crimp of seal pipe 4 with will be cold when connecting adjacent 1/ female die block 2 of convex module
But sealed between liquid passage 3 and the female die block 2 of convex module 1/；
5）The adjacent female die block 2 of two convex module 1/ is used along the gap of the adjacent joint face surrounding of two convex modules, 1/ female die block 2
The mode of built-up welding is welded to connect, and core wire used is that heat resistant and wear resistant damages core wire during welding, it is ensured that the solder side after welding is higher than
Punch-pin/1 ~ 3mm of cavity plate body height；
6）Carrying out finishing to weld makes weld be flushed with punch-pin/cavity plate body of weld both sides；
7）By the overall modifier treatment of punch-pin/cavity plate.
Punch-pin/cavity plate of complicated shape in hot stamping die is horizontally split into some cavity plates of convex module 1/ by the present invention
Block 2 is simultaneously processed respectively, the independent processing cooling passage 3 of the female die block 2 of every piece of convex module 1/, makes every piece of female die block 2 of convex module 1/
Cooling passage 3 moves towards to set along the working face of 1/ female die block of convex module 2, solves complicated shape punch-pin/cavity plate coolant and leads to
Road 3 sets problem, the cooling effect of complicated shape punch-pin/cavity plate is improved, so as to substantially improve drop stamping workpiece in mould
Quenching effect
It is last it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although applicant
The present invention is described in detail with reference to preferred embodiment, it will be understood by those within the art that, to the present invention's
Technical scheme is modified or equivalent substitution, without departing from the objective and scope of the technical program, all should be covered in the present invention
Right among.
Claims (10)
1. a kind of layer slice structure hot stamping die, including upper die component and lower mold assemblies, the upper die component include punch-pin, institute
Stating lower mold assemblies includes cavity plate, and the punch-pin is adapted with the cavity plate, and punch-pin leads to being provided with some coolants in cavity plate
Road；It is characterized in that：
The punch-pin is divided into some convex modules in the horizontal direction, and every punch-pin cooling passage of every piece of convex module is by axis phase
Hand over and the straight section of diameter identical two is constituted, will by way of screw and pin are connected and use welding between adjacent convex module
Connecting sewing sealing between adjacent convex module；Adjacent punch-pin cooling passage is corresponded and logical in corresponding punch-pin coolant
Road junction is provided with punch-pin cooling passage seal pipe, and the punch-pin cooling passage seal pipe two ends insert adjacent respectively
Corresponding punch-pin cooling passage is connected and sealed by two convex modules, every punch-pin cooling passage seal pipe；
The cavity plate is divided into some female die blocks in the horizontal direction, and the female die block is equal with the punch-pin number of blocks and one a pair
Should；Every cavity plate cooling passage of every piece of female die block intersects by axis and the straight section of diameter identical two is constituted, and adjacent is recessed
The connecting sewing between adjacent female die block is sealed by way of screw and pin are connected and use welding between module；Adjacent
Cavity plate cooling passage corresponds and the sealing of cavity plate cooling passage is provided with corresponding cavity plate cooling passage junction
Two adjacent female die blocks, every cavity plate cooling passage sealing are inserted in pipe, the cavity plate cooling passage seal pipe two ends respectively
Corresponding cavity plate cooling passage is connected and sealed by pipe.
2. according to claim 1 layer of slice structure hot stamping die, it is characterised in that：The upper die component also includes upper
Die holder, the punch-pin upper end is connected with upper bolster lower surface by screw and pin；The lower mold assemblies also include die shoe, institute
Cavity plate lower end is stated to be connected by screw and pin with die shoe upper surface.
3. according to claim 2 layer of slice structure hot stamping die, it is characterised in that：The upper bolster includes some lead
To set, the guide sleeve is fixed with upper bolster, and the die shoe includes some leads, and the lead is fixed with die shoe,
The guide sleeve connects one to one and is adapted with the lead.
4. according to claim 1 layer of slice structure hot stamping die, it is characterised in that：The upper die component also includes convex
Mould liquid feeding end first speed block and punch-pin outlet end first speed block, the punch-pin liquid feeding end first speed block positioned at punch-pin side are provided with punch-pin feed liquor
Chamber, the punch-pin admission chamber is connected with all punch-pin cooling passage liquid feeding ends；Positioned at the punch-pin outlet end of punch-pin opposite side
First speed block is provided with punch-pin and goes out sap cavity, and the punch-pin goes out sap cavity and connected with all punch-pin cooling passage outlet ends；Punch-pin enters
Sap cavity is connected by pipe joint with feed tube, and punch-pin goes out sap cavity and connected by pipe joint with discharging tube；The lower mold assemblies are also wrapped
Cavity plate liquid feeding end first speed block and cavity plate outlet end first speed block are included, the cavity plate liquid feeding end first speed block positioned at cavity plate side is provided with cavity plate
Admission chamber, the cavity plate admission chamber is connected with all cavity plate cooling passage liquid feeding ends；Cavity plate positioned at cavity plate opposite side goes out
Liquid termination block is provided with cavity plate and goes out sap cavity, and the cavity plate goes out sap cavity and connected with all cavity plate cooling passage outlet ends；It is recessed
Mould admission chamber is connected by pipe joint with feed tube, and cavity plate goes out sap cavity and connected by pipe joint with discharging tube.
5. according to claim 4 layer of slice structure hot stamping die, it is characterised in that：The punch-pin/cavity plate liquid feeding end
First speed block is located at punch-pin/cavity plate outlet end first speed block offside, punch-pin/cavity plate liquid feeding end first speed block and punch-pin/cavity plate outlet end head
Block and punch-pin/cavity plate are fixedly connected with.
6. according to claim 1 layer of slice structure hot stamping die, it is characterised in that：The seal pipe is metal tube.
7. the processing method of a kind of layer of slice structure hot stamping die punch-pin and cavity plate, using described in any one of claim 1 ~ 6
Layer slice structure hot stamping die punch-pin and cavity plate processing method, it is characterised in that comprise the following steps：
1）When manufacturing punch-pin/cavity plate, punch-pin/cavity plate is divided into some convex module/female die blocks in the horizontal direction, some convex modules/
The joint face surrounding of female die block is respectively provided with groove to weld；
2）The cooling passage processed respectively on every piece of convex module/female die block, it is ensured that the cooling on adjacent convex module/female die block
Liquid passage is corresponded；
3）Corresponding cooling passage junction processes seal pipe mounting hole on adjacent convex module/female die block, adjacent
Corresponding seal pipe mounting hole is horizontally disposed with convex module/female die block and specification is identical；
4）Seal pipe is installed, connected between convex module/female die block, adjacent convex module/female die block using screw and pin combination
Mode connect, constitute punch-pin/cavity plate after the connection of some convex modules/female die block；
5）Two adjacent convex modules/female die block is used into built-up welding along the gap of two adjacent convex modules/female die block joint face surrounding
Mode be welded to connect, core wire used is that heat resistant and wear resistant damages core wire during welding, it is ensured that solder side after welding higher than punch-pin/
Cavity plate body height；
6）Carrying out finishing to weld makes weld be flushed with punch-pin/cavity plate body of weld both sides；
7）By the overall modifier treatment of punch-pin/cavity plate.
8. the processing method of according to claim 7 layer of slice structure hot stamping die punch-pin and cavity plate, it is characterised in that：
Step 2）Middle cooling passage moves towards to set along convex module/female die block working face.
9. the processing method of according to claim 7 layer of slice structure hot stamping die punch-pin and cavity plate, it is characterised in that：
Step 4）Middle sealing length of tube is more than adjacent two seal pipes installation hole length sum and diameter is less than seal pipe and installs bore dia,
By seal pipe crimp with will be close between cooling passage and convex module/female die block during the adjacent convex module/female die block of connection
Envelope.
10. the processing method of according to claim 7 layer of slice structure hot stamping die punch-pin and cavity plate, its feature exists
In：Step 5）Middle solder side is higher than punch-pin/1 ~ 3mm of cavity plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501651.2A CN107214246A (en) | 2017-06-27 | 2017-06-27 | The processing method of layer slice structure hot stamping die and its punch-pin and cavity plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501651.2A CN107214246A (en) | 2017-06-27 | 2017-06-27 | The processing method of layer slice structure hot stamping die and its punch-pin and cavity plate |
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| CN107214246A true CN107214246A (en) | 2017-09-29 |
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| CN201710501651.2A Pending CN107214246A (en) | 2017-06-27 | 2017-06-27 | The processing method of layer slice structure hot stamping die and its punch-pin and cavity plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580708A (en) * | 2017-11-29 | 2018-09-28 | 昆山邦泰汽车零部件制造有限公司 | A kind of novel punching die |
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Application publication date: 20170929 |