CN210253757U - Barrel-shaped product forming die - Google Patents

Barrel-shaped product forming die Download PDF

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Publication number
CN210253757U
CN210253757U CN201920939746.7U CN201920939746U CN210253757U CN 210253757 U CN210253757 U CN 210253757U CN 201920939746 U CN201920939746 U CN 201920939746U CN 210253757 U CN210253757 U CN 210253757U
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China
Prior art keywords
die
forming
plate
backing plate
barrel
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CN201920939746.7U
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Chinese (zh)
Inventor
佘龙飞
王计省
周亚峰
李继针
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Wuxi Baozhong Technology Co Ltd
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Wuxi Baozhong Technology Co Ltd
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Priority to CN201920939746.7U priority Critical patent/CN210253757U/en
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Abstract

The utility model discloses a barrel-shaped product forming die, it includes mould and lower mould, wherein, go up the mould and include that upper die base, first upper padding plate, first flitch, first stretch forming are public, second upper padding plate, the public and second of second stretch forming take off the flitch, first upper padding plate and second upper padding plate are the tubular structure, the lower mould includes die holder, stationary knife, moves the sword, lifts the flitch down, the lower mould draw forming is public, the lower mould is drawn and is taken off material subassembly, first lower padding plate, first lower mould ejector pin and second lower mould ejector pin, first lower padding plate is the tubular structure. Above-mentioned barrel-shaped product forming die will cut the tablet and twice tensile operation is integrated to same mould, realizes the shaping of barrel-shaped product. Not only the structure is compact, but also the design is ingenious; and the processing cost is low, the processing efficiency is high, and the processing quality of the product is ensured to a certain extent.

Description

Barrel-shaped product forming die
Technical Field
The utility model relates to a mould especially relates to a barrel-shaped product forming die.
Background
At present, a plurality of sets of dies are mostly adopted for step-by-step molding aiming at the molding process of barrel-shaped products. The molding mode has the defects of high production cost, low production efficiency and poor product molding quality in the specific application process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a barrel-shaped product forming die to there is the problem with high costs, inefficiency and quality difference in the processing of the barrel-shaped product among the solution prior art.
Another object of the utility model is to provide a barrel-shaped product forming method to there is the problem with high costs, loaded down with trivial details and the processing quality is poor in the processing of barrel-shaped product among the solution prior art.
To achieve the purpose, the utility model adopts the following technical proposal:
a barrel-shaped product forming die comprises an upper die and a lower die, wherein the upper die comprises an upper die seat, a first upper padding plate, a first stripper plate, a first stretch forming die, a second upper padding plate, a second stretch forming die and a second stripper plate, the first upper padding plate and the second upper padding plate are of cylindrical structures, the first upper padding plate is fixedly arranged at the bottom of the upper die seat, the first stretch forming die is arranged at the bottom of the first upper padding plate, the center of the first upper padding plate is provided with a first stretch forming hole, the first stripper plate can be movably arranged in the first stretch forming hole up and down, the second upper padding plate is arranged at the bottom of the first stretch forming die, the second stretch forming die is arranged at the bottom of the second upper padding plate, the center of the second stripper plate is provided with a second stretch forming hole, and the second stripper plate is sleeved outside the bottom of the second stretch forming die, the first stripper plate and the upper die base are provided with springs, the lower die comprises a lower die base, a fixed knife, a movable knife, a lower stripper plate, a lower die drawing forming die, a lower die drawing stripper assembly, a first lower backing plate, a first lower die ejector rod and a second lower die ejector rod, the first lower backing plate is of a cylindrical structure, the bottom of the first lower backing plate is mounted on the lower die base, the lower stripper plate is mounted on the end surface of the first lower backing plate, the fixed knife is fixed on the lower stripper plate, the movable knife is arranged in the fixed knife in a manner of moving up and down, the end part of the first lower die ejector rod is connected to the movable knife, the center of the movable knife is provided with a central hole, a lower die drawing forming die is arranged in the central hole, the outer diameter of the lower die drawing forming die is matched with the aperture of the first drawing forming hole, the lower die drawing stripper plate is sleeved with the lower die drawing stripper assembly, and the top end of the, the outer diameter of the lower die drawing stripping assembly is matched with the bottom opening of the second stretch forming hole.
As a further improvement of the scheme, the upper die further comprises an upper supporting plate and an upper pad foot, the upper supporting plate is located above the upper die base and is connected with the upper die base and the upper pad foot into a whole, the bottom end of the spring is abutted against the first stripper plate, and the top end of the spring is abutted against the bottom surface of the upper supporting plate.
As a further improvement of the present solution, a guide assembly is disposed between the upper die and the lower die, the guide assembly includes a plurality of sets of first outer guide sleeves and first outer guide pillars that are mutually matched, and a plurality of sets of second outer guide sleeves and second outer guide pillars that are mutually matched, a top of the first outer guide sleeve is mounted on a bottom surface of the upper plate, a bottom of the first outer guide pillar is mounted on an end surface of the lower die base, a top of the second outer guide sleeve is mounted on a bottom surface of the upper die base, a bottom of the second outer guide pillar is mounted on an end surface of the lower die base, and the second outer guide pillar is located inside the first outer guide pillar.
As a further improvement of the scheme, the lower die drawing stripping assembly comprises a first lower die drawing stripping sleeve and a second lower die drawing stripping sleeve, the first lower die drawing stripping sleeve is sleeved outside the upper part of the lower die drawing forming male, the second lower die drawing stripping sleeve is positioned below the first lower die drawing stripping sleeve and sleeved outside the lower die drawing forming male, and the outer diameter of the first lower die drawing stripping sleeve is matched with the inner diameter of the central hole of the movable knife.
As a further improvement of the scheme, the bottom of the lower die drawing and forming male die is provided with a lower die forming ejector block, a lower base plate is sleeved outside the bottom of the lower die forming ejector block, and a second lower die ejector rod penetrates through the lower base plate and is connected to a second lower die drawing stripping sleeve.
As a further improvement of the scheme, a step surface extends outwards from the bottom of the second lower die drawing stripping sleeve, and a circular groove is formed in the bottom surface of the movable knife by matching with the step surface.
As a further improvement of the scheme, a plurality of lightening holes are formed in the side walls of the first upper base plate, the second upper base plate and the first lower base plate.
As a further improvement of the scheme, the first stretch forming hole and the second stretch forming hole are both stepped holes, and the bottom aperture is smaller than the upper aperture.
The beneficial effects of the utility model are that, compare with prior art bucket-shaped product forming die will cut the tablet and twice tensile operation is integrated to same mould on, realizes the shaping of bucket-shaped product. Not only the structure is compact, but also the design is ingenious; and the processing cost is low, the processing efficiency is high, and the processing quality of the product is ensured to a certain extent.
Drawings
Fig. 1 is a schematic structural view of a barrel-shaped product forming mold according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an upper die of a barrel-shaped product forming die according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a lower die of a barrel-shaped product forming die according to an embodiment of the present invention;
fig. 4 is a schematic view of a molding process of a molded product using the barrel-shaped product molding die according to the embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, in the present embodiment, a barrel-shaped product forming mold includes an upper mold and a lower mold, the upper mold includes an upper support plate 1, an upper pad 2, an upper mold base 3, a first upper pad 4, a first stripper plate 5, a first stretch forming male 6, a second upper pad 7, a second stretch forming male 8, a second stripper plate 9, and a spring 10, the first upper pad 4 and the second upper pad 7 are both cylindrical structures, the upper support plate 1 is located above the upper mold base 3 and connects the upper support plate 1 and the upper mold base 3 into a whole through the upper pad 2, the first upper pad 4 is installed and fixed at the bottom of the upper mold base 3, the first stretch forming male 6 is disposed at the bottom of the first upper pad 4 and has a first stretch forming hole at the center, the hole diameter of the first stretch forming hole is smaller than the hole diameter of the first upper pad 4, the cross section of the first stripper plate 5 is a "T" shaped structure, the upper portion is disposed in cooperation with the inner diameter of the first upper pad 4, the lower part cooperates the internal diameter setting in the first stretch forming hole, and the bottom of spring 10 supports and leans on first flitch 5 of taking off, and the top passes upper die base 3 and supports and lean on the bottom surface of upper plate 1, and second upper padding plate 7 sets up on the public 6's of first stretch forming bottom surface, and the public 6 of second stretch forming sets up on the bottom surface of second upper padding plate 7 and its central department has seted up the stretch forming hole of second, and the second takes off flitch 9 to overlap outside the public 8 bottom of second stretch forming.
The lower die comprises a lower die base 11, a fixed knife 12, a movable knife 13, a lower material lifting plate 14, a lower die drawing forming male 15, a first lower die drawing stripping sleeve 16, a second lower die drawing stripping sleeve 17, a first lower backing plate 18, a first lower die ejector rod 19 and a second lower die ejector rod 20, wherein the first lower backing plate 18 is of a cylindrical structure, the bottom of the first lower backing plate 18 is arranged on the lower die base 11, the lower material lifting plate 14 is arranged on the end surface of the first lower backing plate 18, the fixed knife 12 is fixed on the lower material lifting plate 14, the movable knife 13 can be arranged in the fixed knife 12 in a vertically moving mode, the end part of the first lower die ejector rod 19 is connected to the movable knife 13, a central hole is formed in the center of the movable knife 13, the lower die drawing forming male 15 is arranged in the central hole, the outer diameter of the lower die drawing forming male 15 is matched with the aperture of a first drawing forming hole, the lower die drawing stripping sleeve 16 and the, the second lower die drawing stripping sleeve 17 is positioned below the first lower die drawing stripping sleeve 16, the outer diameters of the first lower die drawing stripping sleeve 16 and the second lower die drawing stripping sleeve 17 are matched with the opening at the bottom of the second drawing forming hole, a step surface 21 extends outwards from the bottom of the second lower die drawing stripping sleeve 17, a circular groove 22 is formed in the bottom surface of the movable knife 13 in a matched mode with the step surface 21, a lower die forming ejector block 23 is arranged at the bottom of the lower die drawing forming male 15, a first lower cushion plate 18 is sleeved outside the bottom of the lower die forming ejector block 23, and a second lower die ejector rod 20 penetrates through the second lower cushion plate 24 to be connected to the second lower die drawing stripping sleeve 17.
A guide assembly is arranged between the upper die and the lower die, the guide assembly comprises four sets of a first outer guide sleeve 25 and a first outer guide pillar 26 which are mutually matched, and four sets of a second outer guide sleeve 27 and a second outer guide pillar 28 which are mutually matched, the top of the first outer guide sleeve 25 is installed on the bottom surface of the upper supporting plate 1, the bottom of the first outer guide pillar 26 is installed on the end surface of the lower die base 11, the top of the second outer guide sleeve 27 is installed on the bottom surface of the upper die base 3, the bottom of the second outer guide pillar 28 is installed on the end surface of the lower die base 3, and the second outer guide pillar 28 is positioned on the inner side of a region surrounded by the.
A plurality of lightening holes are formed in the side walls of the first upper padding plate 4, the second upper padding plate 7 and the first lower padding plate 18, the first stretching forming hole and the second stretching forming hole are stepped holes, and the hole diameter of the bottom of each stretching forming hole is smaller than that of the upper portion of each stretching forming hole.
Referring to fig. 4, fig. 4 is a schematic view illustrating a molding process of a molded product using a barrel-shaped product molding die according to an embodiment of the present invention.
The specific forming method of the barrel-shaped product forming die comprises the following steps:
1) cutting off the material belt: the material belt is conveyed by the feeder and is conveyed between an upper die and a lower die of the barrel-shaped product forming die, the punch moves downwards, the whole upper die moves downwards along with the punch, the second stretching forming die 8 contacts the material belt, and the second stretching forming die 8 contacts the movable knife 13 along with the continuous downward movement of the punch, so that a round forming material sheet 29 is cut on the material belt;
2) primary stretching and forming: under the action of the punch, the second stripper plate 9 presses the formed material sheet 29 to continue moving downwards, the second stretching forming male 8 presses the moving blade to move downwards together, and in the downward movement process, the first lower die stretching stripper sleeve 16 is matched with the second stretching forming hole to stretch the formed material sheet 29 for the first time to form a first stretching piece 30;
3) and (3) second stretching and forming: under the action of the punch press, the upper die continues to move downwards, the first lower die drawing stripping sleeve 16 is limited by the first drawing forming male 6, and the first drawing piece 30 is subjected to secondary drawing forming through the matching of the lower die drawing forming male 6 and the first drawing forming hole to form a drawing finished product 31;
4) removing materials of the product: and (3) moving the punch to a bottom dead center, starting to move upwards, and ejecting the stretched finished product 31 by the first lower die drawing stripping sleeve 16.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. A barrel-shaped product forming die comprises an upper die and a lower die, and is characterized in that the upper die comprises an upper die base, a first upper backing plate, a first stripper plate, a first stretch forming die, a second upper backing plate, a second stretch forming die and a second stripper plate, the first upper backing plate and the second upper backing plate are of cylindrical structures, the first upper backing plate is fixedly installed at the bottom of the upper die base, the first stretch forming die is arranged on the bottom surface of the first upper backing plate, a first stretch forming hole is formed in the center of the first upper backing plate, the first stripper plate can be movably installed in the first stretch forming hole up and down, the second upper backing plate is arranged on the bottom surface of the first stretch forming die, the second stretch forming die is arranged on the bottom surface of the second upper backing plate, a second stretch forming hole is formed in the center of the second upper backing plate, and the second stripper plate is sleeved outside the bottom of the second stretch forming die, the first stripper plate and the upper die base are provided with springs, the lower die comprises a lower die base, a fixed knife, a movable knife, a lower stripper plate, a lower die drawing forming die, a lower die drawing stripper assembly, a first lower backing plate, a first lower die ejector rod and a second lower die ejector rod, the first lower backing plate is of a cylindrical structure, the bottom of the first lower backing plate is mounted on the lower die base, the lower stripper plate is mounted on the end surface of the first lower backing plate, the fixed knife is fixed on the lower stripper plate, the movable knife is arranged in the fixed knife in a manner of moving up and down, the end part of the first lower die ejector rod is connected to the movable knife, the center of the movable knife is provided with a central hole, a lower die drawing forming die is arranged in the central hole, the outer diameter of the lower die drawing forming die is matched with the aperture of the first drawing forming hole, the lower die drawing stripper plate is sleeved with the lower die drawing stripper assembly, and the top end of the, the outer diameter of the lower die drawing stripping assembly is matched with the bottom opening of the second stretch forming hole.
2. The barrel-shaped product molding die according to claim 1, wherein the upper die further comprises an upper support plate and an upper pad, the upper support plate is located above the upper die base and is connected with the upper die base into a whole through the upper pad, the bottom end of the spring abuts against the first stripper plate, and the top end of the spring abuts against the bottom surface of the upper support plate.
3. The die for molding a barrel-shaped product according to claim 2, wherein a guide assembly is disposed between the upper die and the lower die, the guide assembly comprises a plurality of sets of first outer guide sleeves and first outer guide pillars which are engaged with each other, and a plurality of sets of second outer guide sleeves and second outer guide pillars which are engaged with each other, the top of the first outer guide sleeves is mounted on the bottom surface of the upper plate, the bottom of the first outer guide pillars is mounted on the end surface of the lower die base, the top of the second outer guide sleeves is mounted on the bottom surface of the upper die base, the bottom of the second outer guide pillars is mounted on the end surface of the lower die base, and the second outer guide pillars are located inside the first outer guide pillars.
4. The barrel-shaped product forming die according to claim 1, wherein the lower die drawing stripping assembly comprises a first lower die drawing stripping sleeve and a second lower die drawing stripping sleeve, the first lower die drawing stripping sleeve is sleeved outside the upper part of the lower die drawing forming male, the second lower die drawing stripping sleeve is positioned below the first lower die drawing stripping sleeve and sleeved outside the lower die drawing forming male, and the outer diameter of the first lower die drawing stripping sleeve is matched with the inner diameter of the central hole of the movable knife.
5. The barrel-shaped product forming die as claimed in claim 4, wherein a lower die forming top block is arranged at the bottom of the lower die drawing forming male die, a lower backing plate is sleeved outside the bottom of the lower die forming top block, and the second lower die ejector rod penetrates through the lower backing plate and is connected to the second lower die drawing stripper sleeve.
6. The die for forming a barrel-shaped product according to claim 4, wherein a step surface extends outward from the bottom of the second lower die drawing stripper sleeve, and a circular groove is formed in the bottom surface of the movable knife in cooperation with the step surface.
7. The barrel-shaped product forming die as claimed in claim 1, wherein a plurality of lightening holes are formed in the side walls of the first upper backing plate, the second upper backing plate and the first lower backing plate.
8. The barrel-shaped product forming die as claimed in claim 1, wherein the first stretch-forming hole and the second stretch-forming hole are stepped holes each having a bottom hole diameter smaller than an upper hole diameter.
CN201920939746.7U 2019-06-21 2019-06-21 Barrel-shaped product forming die Active CN210253757U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920939746.7U CN210253757U (en) 2019-06-21 2019-06-21 Barrel-shaped product forming die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920939746.7U CN210253757U (en) 2019-06-21 2019-06-21 Barrel-shaped product forming die

Publications (1)

Publication Number Publication Date
CN210253757U true CN210253757U (en) 2020-04-07

Family

ID=70043885

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920939746.7U Active CN210253757U (en) 2019-06-21 2019-06-21 Barrel-shaped product forming die

Country Status (1)

Country Link
CN (1) CN210253757U (en)

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