CN109807239B - Flange die for three-hole machining - Google Patents
Flange die for three-hole machining Download PDFInfo
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- CN109807239B CN109807239B CN201910150026.7A CN201910150026A CN109807239B CN 109807239 B CN109807239 B CN 109807239B CN 201910150026 A CN201910150026 A CN 201910150026A CN 109807239 B CN109807239 B CN 109807239B
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- 238000003754 machining Methods 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The invention discloses a flange die for three-hole machining, which relates to the technical field of disposable forming dies and solves the problems that when a common flange forming die is used for machining outlines of different positions of workpieces, different devices are required to be separated for operation, and the installation time is increased due to installation and detachment during the operation.
Description
Technical Field
The invention relates to the technical field of disposable forming dies, in particular to a flange die for three-hole machining.
Background
Flanges, also called flanges or lugs, are parts that interconnect two adjacent tubes and are useful in equipment access ports for connection between two pieces of equipment, such as speed reducer flanges. The flange connection or the flange joint refers to detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. When the existing flange forming die processes the outlines of different positions of a workpiece, different equipment needs to be separated for operation, the condition that the installation time is prolonged due to installation and detachment can occur during the operation, and then the equipment processing efficiency is low, and the production and the manufacture of factories are affected.
Disclosure of Invention
The invention aims to provide a flange die for three-hole machining, which has the advantages that one-time forming of three workpieces is completed by single stamping, so that the machining efficiency of equipment is improved, and the extra investment of production equipment is directly reduced.
The technical aim of the invention is realized by the following technical scheme: the flange mold for three-hole machining comprises a male mold plate and a female mold plate, wherein a guide sleeve is arranged on the end face, close to the female mold plate, of the male mold plate, a first guide pillar is arranged in the guide sleeve in a penetrating manner, the male mold plate is connected with the female mold plate in a sliding manner through the first guide pillar, at least one pair of single-time forming molds are arranged between the male mold plate and the female mold plate, and each single-time forming mold comprises a first mold and a second mold;
the first die comprises a first male die and a first female die, the first male die is fixed on the male die plate, the first female die is fixed on the female die plate, second guide posts inserted in the first female die are uniformly distributed between the first male die and the first female die, a first die core for installing a workpiece is arranged in the first female die, and a matched first stamping head is arranged at the end part, close to the first die core, of the first male die;
the second die comprises a second male die, a first limiting plate and a second female die, wherein the first limiting plate is used for fixing a workpiece, the second male die is fixed on the male die plate and located on the same side of the male die plate with the first male die, a third guide post is arranged between the second male die and the second female die along the buckling direction of the male die plate and the female die plate, the second male die is slidably connected onto the outer wall of the third guide post, the first limiting plate is slidably connected between the second male die and the second female die through the third guide post, a second stamping head perpendicular to the end face of the second female die is arranged on the second male die along the buckling direction of the male die plate and the female die plate, a stamping through hole allowing the second stamping head to pass is formed in the first limiting plate, a second die core used for forming is arranged on the end face of the second female die along the buckling direction of the male die plate and the female die plate, and a thimble is arranged on the second die core in a penetrating mode along the buckling direction of the male die plate and the female die plate.
Through adopting above-mentioned technical scheme, male template and female die board pass through guide pillar fixed connection, and first mould and second mould are installed simultaneously between male template and female die board, can make the shaping of two work pieces of flange work piece single processing completion to improve the machining efficiency of equipment, reduced the extra input of production facility directly. The single forming die can also reduce the production cost of transporting workpieces between two adjacent working procedures, so as to improve the processing efficiency of factories. Firstly, installing a flange workpiece to be machined into a first mold core to finish machining in the first step; simultaneously mounting the flange workpiece processed in the first step into a second mold core; then starting the stamping equipment to drive the first male die to move, and enabling the first stamping head to move to be in contact with the flange workpiece under the drive of the first male die, wherein the flange workpiece deforms under the action of the first stamping head until the flange workpiece is attached to the first die core; secondly, a second male die which is also positioned on the male die plate moves to be in contact with the flange workpiece under the action of the male die plate, and similarly, the flange workpiece positioned at the station deforms under the action of a second stamping head until the flange workpiece is attached to a second die core; and finally, directly taking out the flange workpiece on the first mold core, and demoulding the flange workpiece on the second mold core through the ejector pin.
According to the invention, the first mold core comprises a first inclined groove and a first through hole which are sequentially arranged along the buckling direction of the male mold plate and the female mold plate, and the first through hole is communicated with the first inclined groove.
By adopting the technical scheme, the first through hole and the first inclined groove can enable the flange workpiece to form an outer contour matched and attached with the flange workpiece, so that the flange workpiece is used for processing and forming of the first die.
According to the invention, the first inclined groove is in a circular truncated cone shape, the taper angle is 10-20 degrees, and the inner diameter of one end of the first inclined groove, which is close to the first through hole, is larger than the inner diameter of the other end of the first inclined groove.
By adopting the technical scheme, the forming of the workpiece can be facilitated, and the demolding speed of the workpiece can be conveniently improved.
According to the invention, the second mold core comprises a second inclined groove and a second through hole, wherein the second inclined groove and the second through hole are arranged along the buckling direction of the male mold plate and the female mold plate, and the second through hole is communicated with the second inclined groove.
Through adopting above-mentioned technical scheme, the shaping of work piece on the second mold core can be used to the second inclined groove, and the flange work piece takes place deformation under the effect of second stamping head until laminating mutually with the inner wall in second inclined groove, and then the shaping of second mould of being convenient for.
According to the invention, the end face, close to the mother template, of the second mother die is provided with the positioning holes, and at least two positioning columns which are fixed on the mother template are uniformly distributed in the positioning holes in a covering mode.
Through adopting above-mentioned technical scheme, the reference column can be used to the location of second master model on the master template, and the second master template is located on the reference column through the locating hole lid to improve the installation and the location of second master model on the master template, and then shortened the time of installation.
The single forming die further comprises a third die, the third die comprises a third male die fixed on the male die plate, a second limiting plate and a third female die fixed on the female die plate, a fourth guide post is arranged between the third male die and the third female die along the buckling direction of the male die plate and the female die plate, the third male die is connected to the outer wall of the fourth guide post in a sliding mode, the second limiting plate is connected between the third male die and the third female die through the fourth guide post in a sliding mode, and a third die core is arranged on the end face of the third female die along the buckling direction of the male die plate and the female die plate.
By adopting the technical scheme, the third die between the male die plate and the female die plate can facilitate the stamping equipment to finish the processing of a third workpiece in a single forming mode, the fourth guide pillar can enable the third male die to move along the axial direction of the fourth guide pillar towards the direction close to the third female die, and the third die core is used for forming the workpiece.
According to the invention, the horizontal surface of the third mold core along the buckling direction of the male mold plate and the female mold plate is quadrilateral.
By adopting the technical scheme, the quadrilateral third mold core can be used for stamping and forming the flange workpiece.
According to the invention, the first male die and the first limiting plate are internally provided with the first elastic pieces, the end parts of the first elastic pieces are abutted against the side surfaces of the male die, and the number of the first elastic pieces is at least two.
Through adopting above-mentioned technical scheme, first elastic component is used for driving the elasticity that the completion of first public mould after the shaping resets to the installation and the dismantlement speed of mould are improved in the convenience, and then the machining efficiency of mould is improved.
According to the invention, the first female die is internally fixed with at least two second elastic pieces, the end parts of which are abutted against the side surfaces of the female die plates.
Through adopting above-mentioned technical scheme, the second elastic component is used for driving the elasticity that the completion of the public mould after the shaping resets to improve the installation and the dismantlement speed of mould, and then improve the machining efficiency of mould.
According to the invention, the minimum distance between the first die and the second die is smaller than 10mm.
Through adopting above-mentioned technical scheme, the minimum interval of first mould and second mould is less than 10mm can make first mould and second mould more close, through the reasonable equipartition to first mould and second mould position, both can be convenient for improve the structural rigidity of public template, still can be convenient for reduce the whole space that occupies of mould.
In summary, the invention has the following beneficial effects:
1. one-time forming of three workpieces is completed through single stamping, so that the machining efficiency of equipment is improved, and the additional investment of production equipment is directly reduced;
2. the production cost of transporting workpieces between two adjacent working procedures can be reduced, so that the processing efficiency of a factory can be improved;
3. has reasonable position distribution and structural rigidity so as to prolong the service life of the die body.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
fig. 2 is a top view in the present embodiment;
FIG. 3 is a cross-sectional view of the B-B plane of FIG. 2;
FIG. 4 is a cross-sectional view of the C-C plane of FIG. 2;
FIG. 5 is a cross-sectional view taken along the A-A plane in FIG. 2;
fig. 6 is a schematic view of the structure of a quadrangle in the present embodiment.
Reference numerals: 1. a male template; 2. a master template; 3. guide sleeve; 4. a first guide post; 5. a single forming die; 6. a first mold; 61. a first male die; 62. a first master mold; 63. a second guide post; 64. a first mold core; 641. a first inclined groove; 642. a first through hole; 65. a first stamping head; 7. a second mold; 71. a second male die; 72. a second master mold; 73. a third guide post; 74. a second mold core; 741. a second inclined groove; 742. a second through hole; 75. a second stamping head; 76. a first limiting plate; 77. punching a through hole; 78. a thimble; 8. a third mold; 81. a third male die; 82. a third master mold; 83. a second limiting plate; 84. a fourth guide post; 85. a third mold core; 86. a quadrilateral; 9. a fastener; 10. positioning holes; 11. positioning columns; 12. a first elastic member; 13. and a second elastic member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The flange mold for three-hole machining is shown in fig. 1, and comprises a male mold plate 1 and a female mold plate 2, wherein a guide sleeve 3 is arranged on the side surface, close to the female mold plate 2, of the male mold plate 1, a first guide pillar 4 is arranged in the guide sleeve 3 in a penetrating mode, and the male mold plate 1 is fixedly connected with the female mold plate 2 through the first guide pillar 4. The male template 1 is slidably connected with the female template 2 through a first guide post 4. A single forming die 5 with a pair of numbers is arranged between the male die plate 1 and the female die plate 2, the single forming die 5 comprises a first die 6, a second die 7 and a third die 8, and the single forming die 5 can reduce the production cost of transporting workpieces between two adjacent working procedures so as to improve the processing efficiency of factories. The first die 6 and the second die 7 are simultaneously arranged between the male die plate 1 and the female die plate 2, so that flange workpieces can be machined for forming two workpieces at a time, the machining efficiency of equipment is improved, the additional investment of production equipment is directly reduced, and the production and manufacturing cost of factories is further reduced.
As shown in fig. 2, 3 and 4, the first mold 6 includes a first male mold 61 and a first female mold 62, the first male mold 61 is fixed to the male mold plate 1 by a fastener 9, the first female mold 62 is fixed to the female mold plate 2 by the fastener 9, and the fastener 9 is a bolt pair combination. Second guide posts 63 penetrating through the first female die 62 are uniformly distributed between the first male die 61 and the first female die 62. The first female die 62 is provided inside with a first die core 64 for mounting a work.
The first mold core 64 includes a first inclined groove 641 and a first through hole 642 which are sequentially arranged along the buckling direction of the male mold plate 1 and the female mold plate 2, the first inclined groove 641 is a hollow circular truncated cone structure with a trapezoid cross section, the first inclined groove 641 is circular truncated cone shape, the taper angle is 10 to 20 degrees, and the inner diameter of one end of the first inclined groove 641, which is close to the first through hole 642, is larger than the inner diameter of the other end. The first through hole 642 communicates with the first inclined groove 641, and the diameter of the first through hole 642 is the same as the diameter of the end of the first inclined groove 641 remote from the first punch 65. The end of the first male die 61, which is close to the first die core 64, is provided with a first stamping head 65 matched with the first male die, and the first stamping head 65 is uniformly provided with a plurality of three through hole structures along the axial direction so as to reduce the pressure intensity generated when the first male die contacts with a flange workpiece.
The second die 7 comprises a second male die 71, a first limiting plate 76 for fixing a workpiece and a second female die 72, wherein the first limiting plate 76 is a stripping plate commonly used in the die field. The second male die 71 is fixed on the male die plate 1 through a fastener 9, a third guide post 73 is arranged between the second male die 71 and the second female die 72 along the buckling direction of the male die plate 1 and the female die plate 2, and the second male die 71 is connected to the outer wall of the third guide post 73 in a sliding manner. The first limiting plate 76 is slidably connected between the second male die 71 and the second female die 72 through the third guide post 73.
The side of the second male die 71 is provided with a second stamping head 75 along the buckling direction of the male die plate 1 and the female die plate 2, and the second stamping head 75 is of a boss structure matched with the second die core 74. The first limiting plate 76 is provided with a punching through hole 77 through which the second punching head 75 can pass, and the second punching head 75 can pass through the punching through hole 77 until abutting on a workpiece under the pressure action of the male die plate 1. The end face of the second female die 72 is provided with a second die core 74 for molding along the buckling direction of the male die plate 1 and the female die plate 2, and the second die core 74 is provided with a thimble 78 in a penetrating manner along the buckling direction of the male die plate 1 and the female die plate 2.
The second mold core 74 includes a second inclined groove 741 and a second through hole 742 that are provided along the fastening direction of the male mold part 1 and the female mold part 2, and the second through hole 742 communicates with the second inclined groove 741. The second inclined groove 741 can be used for forming a workpiece mounted on the second mold core 74, and the flange workpiece deforms under the action of the second stamping head 75 until the flange workpiece is attached to the inner wall of the second inclined groove 741, so that the forming of the second mold 7 is facilitated. The minimum distance between the first die 6 and the second die 7 is smaller than 10mm, so that the first die 6 and the second die 7 are closer, and the structural rigidity of the male die plate 1 can be conveniently improved and the space occupied by the whole die can be conveniently reduced through reasonably uniformly distributing the positions of the first die 6 and the second die 7.
The end face of the second female die 72, which is close to the female die plate 2, is provided with positioning holes 10, and at least two positioning columns 11 which are fixed on the female die plate 2 are uniformly distributed in the positioning holes 10 in a covering mode. The positioning posts 11 can be used to position the second master mold 72 on the master mold plate 2. The second female die 72 plate 2 is covered on the positioning column 11 positioned on the female die plate 2 through the positioning hole 10 so as to facilitate the installation and positioning of the second female die 72 on the female die plate 2, thereby shortening the installation time.
As shown in fig. 2 and 3, the first elastic members 12 with end portions abutting against the side surfaces of the male mold plate 1 and at least two first limiting plates 76 are fixed in the first male mold plate 61 and the first limiting plates 76, and the second elastic members 13 abutting against the side surfaces of the female mold plate 2 and at least two second elastic members 13 are uniformly distributed and fixed in the first female mold plate 62. The first elastic members 12 and the second elastic members 13 are all metal springs commonly used in the field of dies, in this embodiment, the first elastic members 12 are uniformly distributed with 8 pieces around the central axis of the male die plate 1, and the second elastic members 13 are uniformly distributed with 8 pieces around the central axis of the female die plate 2. The first elastic member 12 is used for driving the elastic reset of the first male die 61 after finishing processing and forming, and the second elastic member 13 is used for driving the elastic reset of the second male die 71 after finishing processing and forming, so as to improve the mounting and dismounting speed of the die and further improve the processing efficiency of the die.
As shown in fig. 5 and 6, the single forming mold 5 further includes a third mold 8, the third mold 8 includes a third male mold 81 fixed on the male mold plate 1, a second limiting plate 83, and a third female mold 82 fixed on the female mold plate 2, a fourth guide post 84 is disposed between the third male mold 81 and the third female mold 82 along the fastening direction of the male mold plate 1 and the female mold plate 2, the third male mold 81 is slidably connected to the outer wall of the fourth guide post 84, the second limiting plate 83 is slidably connected between the third male mold 81 and the third female mold 82 through the fourth guide post 84, and a third mold core 85 is disposed on an end surface of the third female mold 82 along the fastening direction of the male mold plate 1 and the female mold plate 2. The third die 8 can facilitate the single forming of the stamping equipment to finish the processing of a third workpiece, the fourth guide pillar 84 can be used for the third male die 81 to move along the axial direction of the fourth guide pillar towards the direction close to the third female die 82, the third die core 85 is axially provided with a quadrilateral 86 matched with the workpiece, the quadrilateral 86 is a through hole structure with the horizontal surface of the quadrilateral 86 along the buckling direction and rounded corners at the four corners, and the buckling direction is the same as the axial direction of the guide pillar.
Working conditions and principles: first, installing a flange workpiece to be machined into the first mold core 64 to finish the machining of the first step; simultaneously installing the flange workpiece finished in the first step into the second mold core 74 and installing the flange workpiece into the third mold core 85; then starting the stamping equipment to drive the first male die 61 to move along the axial direction, and enabling the first stamping head 65 to move to be in contact with the flange workpiece under the drive of the first male die 61, wherein the flange workpiece is deformed under the action of the first stamping head 65 until the flange workpiece is attached to the first die core 64; secondly, the second male die 71, which is also positioned on the male die plate 1, moves to be in contact with the flange workpiece under the action of the male die plate 1, and similarly, the flange workpiece positioned at the station is deformed under the action of the second stamping head 75 until the flange workpiece is attached to the second die core 74; again, the workpiece on the third mold core 85 completes the molding process; finally, the flange workpieces on the first mold core 64 and the third mold core 85 are taken out, and the flange workpiece on the second mold core 74 is completely demolded through the ejector pins 78.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (7)
1. The flange mold for three-hole machining comprises a male mold plate (1) and a female mold plate (2), wherein a guide sleeve (3) is arranged on the end face, close to the female mold plate (2), of the male mold plate (1), a first guide pillar (4) is arranged in the guide sleeve (3) in a penetrating mode, and the male mold plate (1) is in sliding connection with the female mold plate (2) through the first guide pillar (4), and the flange mold is characterized in that at least one pair of single-time forming molds (5) are arranged between the male mold plate (1) and the female mold plate (2), and each single-time forming mold (5) comprises a first mold (6) and a second mold (7);
the first die (6) comprises a first male die (61) and a first female die (62), the first male die (61) is fixed on the male die plate (1), the first female die (62) is fixed on the female die plate (2), second guide posts (63) penetrating into the first female die (62) are uniformly distributed between the first male die (61) and the first female die (62), a first die core (64) for installing a workpiece is arranged in the first female die (62), and a first stamping head (65) matched with the end part, close to the first die core (64), of the first male die (61) is arranged;
the second die (7) comprises a second male die (71), a first limiting plate (76) for fixing a workpiece and a second female die (72), wherein the second male die (71) is fixed on the male die (1) and is positioned on the same side of the male die (1) as the first male die (61), a third guide post (73) is arranged between the second male die (71) and the second female die (72) along the buckling direction of the male die (1) and the female die (2), the second male die (71) is connected onto the outer wall of the third guide post (73) in a sliding manner, the first limiting plate (76) is connected between the second male die (71) and the second female die (72) through the third guide post (73), a second punching head (75) perpendicular to the end face of the second female die (72) is arranged along the buckling direction of the male die (1) and the female die (2), a mold core (78) which can be used for enabling the second punching head (75) to penetrate through is arranged on the first limiting plate (76) along the buckling direction of the female die (2) and the second female die (74) along the buckling direction of the female die (2);
the first mold core (64) comprises a first inclined groove (641) and a first through hole (642) which are sequentially arranged along the buckling direction of the male mold plate (1) and the female mold plate (2), and the first through hole (642) is communicated with the first inclined groove (641);
the single forming die (5) further comprises a third die (8), the third die (8) comprises a third male die (81) fixed on the male die plate (1), a second limiting plate (83) and a third female die (82) fixed on the female die plate (2), a fourth guide post (84) is arranged between the third male die (81) and the third female die (82) along the buckling direction of the male die plate (1) and the female die plate (2), the third male die (81) is connected onto the outer wall of the fourth guide post (84) in a sliding mode, the second limiting plate (83) is connected between the third male die (81) and the third female die (82) through the fourth guide post (84) in a sliding mode, and a third die core (85) is arranged on the end face of the third female die (82) along the buckling direction of the male die plate (1) and the female die plate (2);
the horizontal surface of the third mold core (85) along the buckling direction of the male mold plate (1) and the female mold plate (2) is a quadrilateral (86).
2. The flange mold for three-hole machining according to claim 1, wherein the first inclined groove (641) is a circular truncated cone and has a taper angle of 10 to 20 degrees, and an inner diameter of one end of the first inclined groove (641) adjacent to the first through hole (642) is larger than an inner diameter of the other end.
3. The flange mold for three-hole processing according to claim 1, wherein the second mold core (74) includes a second inclined groove (741) and a second through hole (742) provided along a fastening direction of the male mold plate (1) and the female mold plate (2), and the second through hole (742) is communicated with the second inclined groove (741).
4. The flange mold for three-hole machining according to claim 1, wherein the end surface of the second female mold (72) close to the female mold plate (2) is provided with positioning holes (10), and at least two positioning columns (11) which are fixed on the female mold plate (2) are uniformly distributed in the positioning holes (10) in a covering manner.
5. The flange mold for three-hole machining according to claim 1, wherein the first male mold (61) and the first limiting plate (76) are respectively provided with first elastic pieces (12) with end parts abutting against the side surfaces of the male mold plate (1) and at least two.
6. The flange mold for three-hole machining according to claim 1, wherein the first female mold (62) is internally fixed with at least two second elastic members (13) with ends abutting against the side surfaces of the female mold plate (2).
7. Three-pocket flange die according to claim 1, characterized in that the minimum distance between the first die (6) and the second die (7) is less than 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150026.7A CN109807239B (en) | 2019-02-28 | 2019-02-28 | Flange die for three-hole machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150026.7A CN109807239B (en) | 2019-02-28 | 2019-02-28 | Flange die for three-hole machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109807239A CN109807239A (en) | 2019-05-28 |
| CN109807239B true CN109807239B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910150026.7A Active CN109807239B (en) | 2019-02-28 | 2019-02-28 | Flange die for three-hole machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109807239B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000343144A (en) * | 1999-06-04 | 2000-12-12 | Denso Corp | Manufacture of press molding |
| CN103212630A (en) * | 2012-01-19 | 2013-07-24 | 三星电子株式会社 | Press die for simultaneous forming of bending and curling |
| WO2014048092A1 (en) * | 2012-09-28 | 2014-04-03 | 机械科学研究总院先进制造技术研究中心 | Manufacturing method and device for automobile spring seat |
| CN109093938A (en) * | 2018-08-03 | 2018-12-28 | 昆山弘正电子科技有限公司 | Glass light guide plate injection mold and light guide plate Shooting Technique |
| CN209849680U (en) * | 2019-02-28 | 2019-12-27 | 广东南海昌和模具有限公司 | Flange mould of three cave processing |
-
2019
- 2019-02-28 CN CN201910150026.7A patent/CN109807239B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000343144A (en) * | 1999-06-04 | 2000-12-12 | Denso Corp | Manufacture of press molding |
| CN103212630A (en) * | 2012-01-19 | 2013-07-24 | 三星电子株式会社 | Press die for simultaneous forming of bending and curling |
| WO2014048092A1 (en) * | 2012-09-28 | 2014-04-03 | 机械科学研究总院先进制造技术研究中心 | Manufacturing method and device for automobile spring seat |
| CN109093938A (en) * | 2018-08-03 | 2018-12-28 | 昆山弘正电子科技有限公司 | Glass light guide plate injection mold and light guide plate Shooting Technique |
| CN209849680U (en) * | 2019-02-28 | 2019-12-27 | 广东南海昌和模具有限公司 | Flange mould of three cave processing |
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| Publication number | Publication date |
|---|---|
| CN109807239A (en) | 2019-05-28 |
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