CN108772463B - Device for adjusting fine cutting gap of automobile die product and fine cutting process - Google Patents
Device for adjusting fine cutting gap of automobile die product and fine cutting process Download PDFInfo
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- CN108772463B CN108772463B CN201810790940.3A CN201810790940A CN108772463B CN 108772463 B CN108772463 B CN 108772463B CN 201810790940 A CN201810790940 A CN 201810790940A CN 108772463 B CN108772463 B CN 108772463B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 101
- 238000004080 punching Methods 0.000 claims abstract description 45
- 238000010008 shearing Methods 0.000 claims abstract description 30
- 238000007667 floating Methods 0.000 claims description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- 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
- B21D37/04—Movable or exchangeable mountings for tools
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention relates to an adjustable device for a fine cutting gap of an automobile die product, which comprises an upper die and a lower die; the upper die is provided with a half shear punch and a fine cutting punch; the upper die is provided with a fixing piece; two guide rules are arranged on the lower die holder; the lower die plate is provided with a first female die; the two sides of the lower end of the fine cutting punch are respectively provided with a punching part and a positioning part; the lower die holder is provided with a positioning block, the upper end surface of the positioning block is provided with a groove, and two adjusting blocks are arranged in the groove; the positioning block is provided with an adjusting piece; when the product is processed, the semi-shearing punch is used for semi-shearing the product, then the product is sent to the processing position of the fine cutting punch, the position of the fine cutting punch is adjusted according to the size of the product, the distance between two adjusting blocks is adjusted through the adjusting piece, the punching part on the fine cutting punch is used for carrying out fine cutting along two actually punched sides of the product under the positioning of the positioning part and the two adjusting blocks, the fine cutting section can be used for achieving the light material belt required by a customer, the fine cutting is difficult to jump waste, the knife edge is difficult to wear, and the product quality and the production efficiency are improved.
Description
Technical Field
The invention relates to the technical field of automobile stamping dies, in particular to a device for adjusting a fine cutting gap of an automobile die product and a fine cutting process.
Background
Along with the increasingly strong competition of global mould technology, the precision requirement on the mould in the technical field of the whole hardware stamping mould is also strict, and in the automobile mould stamping technology, the material hardness is high, the material is thicker, and the finishing cut section is difficult to achieve the gloss material tape required by customers, which is a long-term puzzled old and difficult problem. The structure of the existing precision cutting die is that the die is cut off firstly, a small amount of allowance is reserved, then the precision cutting process is carried out in the subsequent working procedure, and the precision cutting jump waste material and the knife edge are easy to wear easily. Because the precision cutting requirement is high, the yield is high, most of the precision cutting requirement is on safety components, the knife edge is fast in abrasion and easy to break, the section burrs are caused, and a large number of products are bad. But also directly affects the production efficiency and even more seriously affects the delivery date of the customer. The series of problems therefore bring stress and great distraction to the production and maintenance sector, especially in large progressive or manipulator moulds, which has long formed a vicious circle of the whole production chain, eventually bringing great losses to the company. Various methods have also been used by those skilled in the art to address this, for example: the punch is made of better materials, the surface is coated with high wear resistance, the friction section of the knife edge is reduced, and the like, but the effect is very little.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the device for adjusting the fine cutting gap of the automobile die product;
also provides a precise cutting process of the automobile die product.
The technical scheme adopted for solving the technical problems is as follows:
constructing an adjustable device for the fine cutting gap of an automobile die product, wherein the adjustable device comprises an upper die and a lower die; the upper die is sequentially provided with a half shear punch and a fine cutting punch along the feeding direction of the product; the fine cutting punch head can move on the upper die along the feeding direction of the product, and a fixing piece which is fixed after the fine cutting punch head moves is arranged on the upper die; the lower die comprises a lower die plate, a lower base plate and a lower die holder which are sequentially and fixedly connected; two guide rules which limit the left end and the right end of the product respectively are arranged on the lower die holder in an elastic connection mode; the lower die plate is provided with a first female die matched with the half-shear punch; the width of the punching end of the half-shear punch is smaller than the actual processing width of the product; the two sides of the lower end of the fine cutting punch are respectively provided with a punching part and a positioning part; the lower die plate is provided with a second female die matched with the punching part; the lower die holder is provided with a positioning block, the upper end surface of the positioning block is provided with a groove, and two adjusting blocks respectively matched with two sides of the positioning part are arranged in the groove; the positioning block is provided with adjusting pieces for adjusting the positions of the two adjusting blocks.
The invention relates to an adjustable device for a fine cutting gap of an automobile die product, wherein an upper die comprises an upper die seat, an upper base plate, an upper clamping plate, a back removing plate and an upper back removing plate which are sequentially arranged; the upper die holder, the upper base plate and the upper clamping plate are sequentially and fixedly connected; the back removing plate is fixedly connected with the upper back removing plate; the upper die holder is connected with the back removing plate through a nitrogen spring; an inner guide post is arranged on the upper die holder; an inverted hook is fixed at one end of the back removing plate, and an inner guide sleeve matched with the inner guide post is arranged at the other end of the back removing plate; the upper die holder is provided with a first via hole matched with the hook, and the inner wall of the first via hole is provided with a limit bump matched with the bent part of the hook.
The invention discloses an adjustable device for a fine cutting gap of an automobile die product, wherein a half-shearing punch is fixedly connected with an upper clamping plate, and second through holes matched with the half-shearing punch are formed in a back removing plate and the upper removing plate.
The invention relates to an adjustable device for a fine cutting gap of an automobile die product, wherein a fixing piece is a locking bolt; the upper die holder and the upper base plate are respectively provided with a plurality of adjusting and mounting holes matched with the locking bolts; the upper clamping plate and the back removing plate are respectively provided with a movable groove matched with the fine cutting punch.
The invention relates to an adjustable device for a fine cutting gap of an automobile die product, wherein the adjusting piece is an adjusting nut, and the two adjusting nuts are arranged and correspond to the two adjusting blocks one by one; the side surface of the positioning block is provided with a third through hole matched with the adjusting nut, and the two opposite side surfaces of the two adjusting blocks are respectively provided with an adjusting screw hole matched with the adjusting nut.
The invention relates to an adjustable device for a fine cutting gap of an automobile die product, wherein a first female die is an L-shaped through hole and penetrates through a lower die plate; an L-shaped lower die top and bottom are arranged in the first female die; the lower die holder is provided with a first ejector pin connected with the top and the bottom of the lower die; and a fourth through hole matched with the first thimble is formed in the lower base plate.
The invention relates to an adjustable device for a fine cutting gap of an automobile die product, wherein two lower floating blocks are respectively connected to a lower die holder through two second ejector pins; the two guide rules are fixedly connected with the two lower floating blocks respectively; a lower floating block limiting block is fixed on the upper surface of the lower floating block, and the height of the upper end surface of the lower floating block limiting block is higher than that of the upper end surface of the guide rule; the distance between the two guide rules is equal to the width of the upper stripper plate.
The invention relates to an adjustable device for a fine cutting gap of an automobile die product, wherein guide posts are fixed on the lower end surfaces of two lower floating blocks; the lower die holder is provided with a guide sleeve matched with the guide post; the guide post side surface is provided with a limit groove, and the lower die holder is provided with a limit block matched with the limit groove.
According to the automobile die product fine cutting gap adjusting device, the processing steps are as follows:
step one: semi-shearing process:
the semi-shearing punch head performs primary punching along one side of the actual punching position of the product, the primary punching width is smaller than the actual punching width of the product, and the primary punching thickness is smaller than the actual punching thickness of the product;
step two: fine cutting procedure:
and (3) feeding the semi-sheared product in the first step into a fine cutting station, adjusting the position of a fine cutting punch according to the size of the product, adjusting the distance between two adjusting blocks through an adjusting piece, and carrying out fine cutting on the two sides of the product to be actually cut along the positioning part and the two adjusting blocks by a punching part on the fine cutting punch.
The invention relates to a precision cutting process of an automobile die product, wherein in the first step, the width of primary punching is larger than half of the actual punching width of the product.
The invention has the beneficial effects that: when the product is processed, the product is subjected to semi-shearing by the semi-shearing punch, the semi-shearing width is smaller than the actual punching width of the product, the semi-shearing thickness is smaller than the actual punching thickness of the product, then the product is sent to the processing position of the fine-cutting punch, the position of the fine-cutting punch is adjusted according to the size of the product, the distance between two adjusting blocks is adjusted through the adjusting piece, the punching part on the fine-cutting punch performs fine cutting along two sides of the product to be punched under the positioning of the positioning part and the two adjusting blocks, the fine-cutting section can achieve a light material belt required by a customer, fine cutting is difficult to jump waste, the knife edge is difficult to wear, and the product quality and the production efficiency are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained by those skilled in the art without inventive effort:
FIG. 1 is a schematic diagram of a half-shear die structure of an adjustable device for fine cutting gap of an automotive die product according to a preferred embodiment of the invention;
FIG. 2 is a schematic view of a half-shear die structure of an adjustable fine cutting gap device for an automotive die product according to a preferred embodiment of the invention;
FIG. 3 is a schematic view of a fine cutting die of an apparatus for adjusting fine cutting gap of an automotive die product according to a preferred embodiment of the present invention;
FIG. 4 is a schematic diagram of a fine cutting die structure of an apparatus for adjusting fine cutting gap of an automobile die product according to a preferred embodiment of the invention;
FIG. 5 is a flow chart of a finish cutting process of an automotive molded product according to a preferred embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
The fine cutting clearance adjusting device for the automobile die product in the preferred embodiment of the invention is shown in fig. 1, and simultaneously referring to fig. 2-4, the fine cutting clearance adjusting device comprises an upper die and a lower die; the upper die is sequentially provided with a half shear punch 100 and a finish cutting punch 101 along the feeding direction of the product 3; the fine cutting punch 101 can move on an upper die along the feeding direction of the product 3, and a fixing piece 102 which is fixed after the fine cutting punch 101 moves is arranged on the upper die; the lower die comprises a lower die plate 20, a lower base plate 21 and a lower die seat 22 which are fixedly connected in sequence; two guide rules 220 which limit the left end and the right end of the product 3 respectively are arranged on the lower die holder 22 in an elastic connection manner; the lower die plate 20 is provided with a first female die 200 matched with the half shear punch 100; the width of the punching end of the half shear punch 100 is smaller than the actual processing width of the product 3; the two sides of the lower end of the fine cutting punch 101 are respectively provided with a punching part 103 and a positioning part 104; the lower die plate 20 is provided with a second female die 201 matched with the punching part 103; the lower die holder 22 is provided with a positioning block 221, the upper end surface of the positioning block 221 is provided with a groove 222, and two adjusting blocks 223 respectively matched with the two sides of the positioning part 104 are arranged in the groove 222; the positioning block 221 is provided with an adjusting piece 224 for adjusting the positions of the two adjusting blocks 223; when the product is processed, the semi-shearing punch 100 is used for semi-shearing the product 3, the semi-shearing width is smaller than the actual punching width of the product 3, the semi-shearing thickness is smaller than the actual punching thickness of the product 3, the product 3 is sent to the processing position of the fine-cutting punch 101, the position of the fine-cutting punch 101 is regulated according to the size of the product 3, the distance between two regulating blocks 223 is regulated by the regulating piece 224, the punching part 103 on the fine-cutting punch 101 is used for fine-cutting along the two actually punched sides of the product 3 under the positioning of the positioning part 104 and the two regulating blocks 223, the fine-cutting section can achieve the light material belt required by a customer, the fine-cutting is difficult to jump waste, the knife edge is difficult to wear, and the product quality and the production efficiency are improved.
As shown in fig. 1, 2, 3 and 4, the upper die comprises an upper die holder 10, an upper base plate 11, an upper clamping plate 12, a stripping plate 13 and an upper stripping plate 14 which are sequentially arranged; the upper die holder 10, the upper base plate 11 and the upper clamping plate 12 are fixedly connected in sequence; the back removing plate 13 is fixedly connected with the upper back removing plate 14; the upper die holder 10 is connected with the demoulding plate 13 through a nitrogen spring 15; an inner guide post 105 is arranged on the upper die holder 10; one end of the back removing plate 13 is fixed with an inverted hook 130, and the other end is provided with an inner guide sleeve 131 matched with the inner guide post 105; the upper die holder 10 is provided with a first via hole 106 matched with the hook 130, and the inner wall of the first via hole 106 is provided with a limit bump 107 matched with the bending part of the hook 130; the stripper plate 13 and the upper stripper plate 14 are extruded upwards by the lower die during die assembly, the nitrogen spring 15 is compressed, the inner guide pillar 105 and the inner guide sleeve 131 cooperate to limit one end of the stripper plate 13, the hook 130 cooperates with the first through hole 106 to limit the other end of the stripper plate 13, the overall stability of the structure is good, the disassembly and assembly are extremely convenient, and the hook 130 cooperates with the limiting lug 107 during die opening to play a role in pulling and limiting the stripper plate 13.
As shown in fig. 1, 2, 3 and 4, the half shear punch 100 is fixedly connected with the upper clamping plate 12, and the back stripping plate 13 and the upper stripping plate 14 are provided with second through holes 400 matched with the half shear punch 100; the assembly is convenient and the half shear punch 100 is well guided.
As shown in fig. 1, 2, 3 and 4, the fixing member 102 is a locking bolt; a plurality of adjusting and installing holes 401 matched with the locking bolts are formed in the upper die holder 10 and the upper base plate 11; the upper clamping plate 12 and the back removing plate 13 are respectively provided with a movable groove 402 matched with the fine cutting punch 101; it is very convenient to adjust the position of the fine cutting punch 101.
As shown in fig. 3 and 4, the adjusting members 224 are adjusting nuts, and the adjusting nuts are provided with two adjusting blocks 223 in one-to-one correspondence; the side surface of the positioning block 221 is provided with a third through hole matched with an adjusting nut, the two adjusting blocks 223 are opposite to each other, one side surface of the two adjusting blocks is provided with a position of the adjusting block 223 which can be fast adjusted by rotating the adjusting nut through adjusting screw holes matched with the adjusting nut, the adjustment is convenient, the positioning effect is good, and the applicability is strong.
As shown in fig. 1, 2, 3 and 4, the first female die 200 is an L-shaped through hole and penetrates the lower die plate 20; an L-shaped lower die top and bottom 202 is arranged in the first female die 200; the lower die holder 22 is provided with a first ejector pin 226 connected with the lower die top and bottom 202; the lower base plate 21 is provided with a fourth through hole 210 matched with the first thimble 226; the first female die 200 with the L-shaped through hole is matched with the top and bottom 202 of the lower die, provides an upward supporting force for a shearing position during half shearing, removes materials for products during die opening, has a simple structure, and can ensure half shearing precision.
As shown in fig. 1, 2, 3 and 4, two lower floating blocks 5 are respectively connected to the lower die holder 22 through two second ejector pins 227; the two guide rules 220 are fixedly connected with the two lower floating blocks 5 respectively; the upper surface of the lower floating block 5 is fixedly provided with a lower floating block limiting block 50, and the height of the upper end surface of the lower floating block limiting block 50 is higher than that of the upper end surface of the guide rule 220; the distance between the two guide rods 220 is equal to the width of the upper stripper plate 14, the upper stripper plate enters between the two guide rods 220 and presses the upper surface of the product 3 to press the material during die assembly, the stripper plate 13 is close to the lower floating block 5, then the upper die continues to descend until the lower surface of the product 3 contacts with the lower die plate 20, then the upper die continues to descend, the nitrogen spring 15 is compressed, and the half-shearing punch 100 is exposed to be matched with the first female die 200 for half-shearing, so that the die has reasonable structure and good stability.
As shown in fig. 1, 2, 3 and 4, the lower end surfaces of the two lower floating blocks 5 are fixed with guide posts 51; the lower die holder 22 is provided with a guide sleeve 228 matched with the guide post 51; a limiting groove 510 is formed in the side surface of the guide post 51, and a limiting block 229 matched with the limiting groove 510 is arranged on the lower die holder 22; the stability of the vertical operation of the lower floating block 5 is ensured, the shaking, lateral deviation or displacement condition can not occur, meanwhile, the operation position of the guide pillar 51 is limited by the cooperation of the limiting block 229 and the limiting groove 510 on the guide pillar 51, and the product processing precision is ensured.
According to the fine cutting gap adjusting device for the automobile die product, as shown in fig. 5, the processing steps are as follows:
SO1: semi-shearing process:
the semi-shearing punch head performs primary punching along one side of the actual punching position of the product, the primary punching width is smaller than the actual punching width of the product, and the primary punching thickness is smaller than the actual punching thickness of the product;
SO2: fine cutting procedure:
sending the semi-sheared product in the first step into a fine cutting station, adjusting the position of a fine cutting punch according to the size of the product, adjusting the distance between two adjusting blocks through an adjusting piece, and carrying out fine cutting on the two sides of the product to be actually cut by a punching part on the fine cutting punch under the positioning of a positioning part and the two adjusting blocks;
when the product is processed, the product is subjected to semi-shearing by the semi-shearing punch, the semi-shearing width is smaller than the actual punching width of the product, the semi-shearing thickness is smaller than the actual punching thickness of the product, then the product is sent to the processing position of the fine-cutting punch, the position of the fine-cutting punch is adjusted according to the size of the product, the distance between two adjusting blocks is adjusted through the adjusting piece, the punching part on the fine-cutting punch performs fine cutting along two sides of the product to be punched under the positioning of the positioning part and the two adjusting blocks, the fine-cutting section can achieve a light material belt required by a customer, fine cutting is difficult to jump waste, the knife edge is difficult to wear, and the product quality and the production efficiency are improved.
Preferably, in the first step, the width of the primary punching is larger than half of the actual punching width of the product; reduce the resistance in precision shearing.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (8)
1. The device is characterized by comprising an upper die and a lower die; the upper die is sequentially provided with a half shear punch and a fine cutting punch along the feeding direction of the product; the fine cutting punch head can move on the upper die along the feeding direction of the product, and a fixing piece which is fixed after the fine cutting punch head moves is arranged on the upper die; the lower die comprises a lower die plate, a lower base plate and a lower die holder which are sequentially and fixedly connected; two guide rules which limit the left end and the right end of the product respectively are arranged on the lower die holder in an elastic connection mode; the lower die plate is provided with a first female die matched with the half-shear punch; the width of the punching end of the half-shear punch is smaller than the actual processing width of the product; the two sides of the lower end of the fine cutting punch are respectively provided with a punching part and a positioning part; the lower die plate is provided with a second female die matched with the punching part; the lower die holder is provided with a positioning block, the upper end surface of the positioning block is provided with a groove, and two adjusting blocks respectively matched with two sides of the positioning part are arranged in the groove; the positioning blocks are provided with adjusting pieces for adjusting the positions of the two adjusting blocks;
the adjusting parts are adjusting nuts, and the two adjusting nuts are arranged and correspond to the two adjusting blocks one by one; the side surface of the positioning block is provided with a third through hole matched with the adjusting nut, and the surfaces of the two opposite sides of the adjusting block are provided with adjusting screw holes matched with the adjusting nuts; the first female die is an L-shaped through hole and penetrates through the lower die plate; an L-shaped lower die top and bottom are arranged in the first female die; the lower die holder is provided with a first ejector pin connected with the top and the bottom of the lower die; and a fourth through hole matched with the first thimble is formed in the lower base plate.
2. The device for adjusting the fine cutting gap of the automobile die product according to claim 1, wherein the upper die comprises an upper die holder, an upper base plate, an upper clamping plate, a back-off plate and an upper back-off plate which are sequentially arranged; the upper die holder, the upper base plate and the upper clamping plate are sequentially and fixedly connected; the back removing plate is fixedly connected with the upper back removing plate; the upper die holder is connected with the back removing plate through a nitrogen spring; an inner guide post is arranged on the upper die holder; an inverted hook is fixed at one end of the back removing plate, and an inner guide sleeve matched with the inner guide post is arranged at the other end of the back removing plate; the upper die holder is provided with a first via hole matched with the hook, and the inner wall of the first via hole is provided with a limit bump matched with the bent part of the hook.
3. The device for adjusting the fine cutting gap of the automobile die product according to claim 2, wherein the half-shearing punch is fixedly connected with the upper clamping plate, and the back removing plate and the upper removing plate are both provided with second through holes matched with the half-shearing punch.
4. The device for adjusting the fine cutting clearance of an automobile die product according to claim 2, wherein the fixing member is a locking bolt; the upper die holder and the upper base plate are respectively provided with a plurality of adjusting and mounting holes matched with the locking bolts; the upper clamping plate and the back removing plate are respectively provided with a movable groove matched with the fine cutting punch.
5. The device for adjusting the fine cutting gap of the automobile die product according to claim 2, wherein the lower die holder is respectively connected with two lower floating blocks through two second ejector pins; the two guide rules are fixedly connected with the two lower floating blocks respectively; a lower floating block limiting block is fixed on the upper surface of the lower floating block, and the height of the upper end surface of the lower floating block limiting block is higher than that of the upper end surface of the guide rule; the distance between the two guide rules is equal to the width of the upper stripper plate.
6. The device for adjusting the fine cutting clearance of the automobile die product according to claim 5, wherein guide posts are fixed on the lower end surfaces of the two lower floating blocks; the lower die holder is provided with a guide sleeve matched with the guide post; the guide post side surface is provided with a limit groove, and the lower die holder is provided with a limit block matched with the limit groove.
7. A finish cutting process of an automobile die product, which is characterized in that the finish cutting clearance adjusting device of the automobile die product according to any one of claims 1 to 6 comprises the following processing steps:
step one: semi-shearing process:
the semi-shearing punch head performs primary punching along one side of the actual punching position of the product, the primary punching width is smaller than the actual punching width of the product, and the primary punching thickness is smaller than the actual punching thickness of the product;
step two: fine cutting procedure:
and (3) feeding the semi-sheared product in the first step into a fine cutting station, adjusting the position of a fine cutting punch according to the size of the product, adjusting the positions of two adjusting blocks through an adjusting piece, and carrying out fine cutting on two sides of the product to be actually cut along the positioning part and the two adjusting blocks by a punching part on the fine cutting punch.
8. The finish cutting process of an automotive molded product according to claim 7, wherein in the first step, the width of the primary cutting is larger than half of the actual cutting width of the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790940.3A CN108772463B (en) | 2018-07-18 | 2018-07-18 | Device for adjusting fine cutting gap of automobile die product and fine cutting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790940.3A CN108772463B (en) | 2018-07-18 | 2018-07-18 | Device for adjusting fine cutting gap of automobile die product and fine cutting process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108772463A CN108772463A (en) | 2018-11-09 |
| CN108772463B true CN108772463B (en) | 2023-10-24 |
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| CN201810790940.3A Active CN108772463B (en) | 2018-07-18 | 2018-07-18 | Device for adjusting fine cutting gap of automobile die product and fine cutting process |
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| CN110899595B (en) * | 2019-12-13 | 2022-08-16 | 金马工业集团股份有限公司 | Hydraulic type primary and secondary die frame fixing device for forging die machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09300129A (en) * | 1996-05-20 | 1997-11-25 | Nissan Motor Co Ltd | Method for adjusting clearance of cutting press die |
| CN101758147A (en) * | 2009-12-14 | 2010-06-30 | 江西江铃底盘股份有限公司 | Fine cutting and trimming process for auto brake tendon baffle plate and die |
| CN202239177U (en) * | 2011-09-05 | 2012-05-30 | 南车长江车辆有限公司 | Adjustable blanking and clearance cut-out die |
| CN202725748U (en) * | 2012-08-09 | 2013-02-13 | 佳木斯中唯实业有限公司 | Universal mold seat of punching mold |
| CN205732465U (en) * | 2016-02-02 | 2016-11-30 | 广东骏汇汽车科技股份有限公司 | The pre-stamping die in traditional method of indicating the pronunciation of a Chinese character limit |
| CN207508075U (en) * | 2017-12-01 | 2018-06-19 | 深圳市锦隆润溢五金制品有限公司 | A kind of stamping die |
| CN208960742U (en) * | 2018-07-18 | 2019-06-11 | 深圳数码模汽车技术有限公司 | A kind of automobile mould product fine cut gap adjusting apparatus |
-
2018
- 2018-07-18 CN CN201810790940.3A patent/CN108772463B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09300129A (en) * | 1996-05-20 | 1997-11-25 | Nissan Motor Co Ltd | Method for adjusting clearance of cutting press die |
| CN101758147A (en) * | 2009-12-14 | 2010-06-30 | 江西江铃底盘股份有限公司 | Fine cutting and trimming process for auto brake tendon baffle plate and die |
| CN202239177U (en) * | 2011-09-05 | 2012-05-30 | 南车长江车辆有限公司 | Adjustable blanking and clearance cut-out die |
| CN202725748U (en) * | 2012-08-09 | 2013-02-13 | 佳木斯中唯实业有限公司 | Universal mold seat of punching mold |
| CN205732465U (en) * | 2016-02-02 | 2016-11-30 | 广东骏汇汽车科技股份有限公司 | The pre-stamping die in traditional method of indicating the pronunciation of a Chinese character limit |
| CN207508075U (en) * | 2017-12-01 | 2018-06-19 | 深圳市锦隆润溢五金制品有限公司 | A kind of stamping die |
| CN208960742U (en) * | 2018-07-18 | 2019-06-11 | 深圳数码模汽车技术有限公司 | A kind of automobile mould product fine cut gap adjusting apparatus |
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|---|---|
| CN108772463A (en) | 2018-11-09 |
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