CN108672567B - Stamping die for sheet metal parts - Google Patents
Stamping die for sheet metal parts Download PDFInfo
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- CN108672567B CN108672567B CN201810712178.7A CN201810712178A CN108672567B CN 108672567 B CN108672567 B CN 108672567B CN 201810712178 A CN201810712178 A CN 201810712178A CN 108672567 B CN108672567 B CN 108672567B
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- die
- sheet metal
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- rack
- cavity
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Abstract
The patent relates to the field of stamping dies and discloses a stamping die for sheet metal parts, which comprises an upper die, a lower die and a female die; the two sides of the upper die are respectively provided with a flattening unit, each flattening unit comprises a groove, a rotating rod is rotatably connected in the groove, a rotating disc, an external thread part and a circular plate are sequentially arranged on the rotating rod, and the rotating disc can flatten the sheet metal part; the upper part of the first cavity is provided with a nut, a guide rail, a first gear and a second gear, the nut is in threaded connection with the external thread part, and a transmission rack is connected in the guide rail in a sliding manner; the top of the lower die is provided with a second cavity and an air hole; a sliding plate is hermetically and slidably connected in the second chamber, an L-shaped supporting rod and a plurality of first springs are fixed at the bottom of the sliding plate, and the bottom of the supporting rod is connected with the top of the first rack. This scheme can carry out multiple fixed to the lateral part of sheet metal component, prevents that the both sides of sheet metal component from perk or taking place the displacement in stamping process, precision and the yield of punching press when having improved the sheet metal component punching press.
Description
Technical Field
The invention belongs to the field of stamping dies.
Background
The important parts of the stamping die for the sheet metal parts (hereinafter referred to as sheet metal parts) comprise an upper die, a male die, a lower die and a female die, wherein the upper die and the male die are of a fixed integrated structure, the sheet metal parts are firstly placed on the upper end face of the female die during stamping, the male die is driven by the upper die to stamp the sheet metal parts, and the die is simple in structure through stamping and forming of the female die. However, in long-term use, the side part of the sheet metal part is easy to tilt and even break when the sheet metal part is stamped, and particularly when the thin sheet metal part is stamped, the tilting rate of the side part of the sheet metal part is very high, so that the qualified rate of a finished product is low.
Disclosure of Invention
The invention aims to provide a stamping die for sheet metal parts, which aims to solve the problem that the side part of a sheet metal part is easy to tilt in the stamping process in the prior art.
In order to achieve the aim, the basic scheme of the invention provides a stamping die for sheet metal parts, which comprises an upper die and a lower die, wherein the top of the upper die is connected with a cylinder, and the bottom of the upper die is provided with a male die; the lower die is provided with a female die matched with the male die; the two sides of the female die are respectively provided with a flattening unit, each flattening unit comprises a groove formed in the bottom of the upper die, and the cross section of each groove is T-shaped; a T-shaped rotating rod is rotationally connected in the groove, the part of the rotating rod, which is far away from the upper die, penetrates out of the groove and is sequentially provided with a rotating disc, an external thread part and a circular plate, and the rotating disc can flatten the sheet metal part; the two sides of the lower die are provided with first cavities, the bottom of the rotating rod is inserted into the first cavities, and the circular plate is positioned in the first cavities; the upper part of the first cavity is provided with a nut, a guide rail, a first gear and a second gear, the nut is in threaded connection with the external thread part of the rotating rod, the guide rail is positioned below the circular plate, and the guide rail is connected with a transmission rack in a sliding way; the first gear and the second gear are both rotationally connected in the lower die, one side of the first gear is meshed with the transmission rack, and the other side of the first gear is meshed with the second gear; a first rack which is vertically arranged is meshed with one side, away from the first gear, of the second gear, the top of the first rack penetrates through the top of the lower die and is fixed with a horizontally arranged elastic pressing plate, and the elastic pressing plate is positioned below the rotary table;
the top of the lower die is also provided with a second chamber and a plurality of air holes, the top of each air hole is communicated with the outside of the lower die, and the bottom of each air hole is communicated with the second chamber; the disc rack is characterized in that a sliding plate is hermetically and slidably connected in the second chamber, an L-shaped supporting rod and a plurality of first springs are fixed at the bottom of the sliding plate, the bottom end of each first spring is fixed at the bottom of the second chamber, the bottom of each supporting rod penetrates into the corresponding first chamber, and the bottom of each supporting rod is located below the corresponding disc and is connected with the top of the corresponding first rack.
The principle of the basic scheme is as follows:
place the sheet metal component on the lower mould, go up the mould and can produce the extrusion and promote the bull stick downstream at the removal in-process to the bull stick, because external screw thread portion and nut threaded connection on the bull stick, the bull stick is anticlockwise rotated limit downstream below the effect of nut, make the carousel, plectane and third gear rotate together and downstream, the plectane can cause the extrusion to the branch bottom and promote branch downstream, branch can drive the slide when moving down and move down, make second cavity upper portion gentleness pore formation negative pressure, thereby will place the sheet metal component absorption on the lower mould, carry out preliminary fixed to the sheet metal component. When the supporting rod moves downwards, the transmission rack can be pushed to move downwards, the transmission rack drives the first rack to move downwards through the first gear and the second gear, so that the elastic pressing plate is gradually pressed on the side part of the sheet metal part, the sheet metal part is prevented from tilting, and secondary fixing and flattening are performed on the sheet metal part. The turntable can gradually abut against the elastic pressing plate in the process of rotating and moving downwards, and the side part of the sheet metal part is fixed in a third mode. At this time, the male die just contacts with the sheet metal part.
The upper die and the male die continuously move downwards, and the male die punches the sheet metal part; the rotary table rotates on the elastic pressing plate and extrudes the elastic pressing plate, so that the rotary rod continuously moves downwards for a certain distance, and the male die is guaranteed to complete stamping of the sheet metal part. The carousel can press from both sides tightly and flatten the lateral part of sheet metal component at the in-process that rotates and move down, prevents the perk of sheet metal component lateral part.
The beneficial effect of this basic scheme lies in:
(1) this scheme can carry out multiple fixed to the lateral part of sheet metal component, prevents that the both sides of sheet metal component from perk or taking place the displacement in stamping process, precision and the yield of punching press when having improved the sheet metal component punching press.
(2) This scheme can adsorb the sheet metal component through plectane, branch, slide, second cavity and gas pocket, tentatively fixes the lateral part of sheet metal component, mutually supports through branch, driving rack, first gear, second gear, first rack, elastic pressing plate, carries out the secondary to the lateral part of sheet metal component and fixes and flatten, prevents the lateral part perk of sheet metal component in stamping process. In addition, the gear transmission mechanism formed by the transmission rack, the first gear, the second gear and the first rack has stronger stability in the transmission process, thereby enhancing the fixing and flattening effects of the sheet metal part and preventing the side part of the sheet metal part from tilting.
(3) When the rotary table of the scheme rotates and moves downwards on the elastic pressing plate, the side part of the sheet metal part can be clamped and limited, the stability of the sheet metal part during stamping is greatly enhanced, the side part of the sheet metal part is prevented from being warped, the warping generated by the side part of the sheet metal part can be flattened, the quality of the sheet metal part is ensured, and the yield of the sheet metal part is improved.
(4) This scheme is through mutually supporting of bull stick external screw thread portion and nut, can make the bull stick limit rotate the limit and remove, and lower mould and nut play the effect of direction to the bull stick for the removal of going up mould, terrace die and carousel is more stable and accurate, has improved the precision of sheet metal component punching press, thereby improves the yield of sheet metal component punching press.
(5) The elastic pressing plate of the scheme can fix and flatten the sheet metal part and can deform under the extrusion of the turntable, so that the turntable and the rotating rod can continuously move downwards for a distance, and the male die can be guaranteed to complete the stamping of the sheet metal part.
Scheme II: the preferable basic scheme is that a third cavity is arranged below the female die, the third cavity is communicated with the first cavity on the left side of the lower die, a demoulding unit is jointly arranged in the first cavity on the left side and the third cavity, the demoulding unit comprises a third gear fixed at the bottom of the rotating rod, the bottom of the third cavity is connected with a second rack in a sliding manner, one end of the second rack penetrates into the first cavity on the left side and can be meshed with the third rack, a second spring is fixed at the other end of the second rack, and one end, far away from the second rack, of the second spring is fixed in the third cavity; the die bottom is equipped with the slip mouth of a plurality of and third chamber intercommunication, sliding connection has the kicking block in the slip mouth, the kicking block bottom articulates there is the connecting rod, the connecting rod bottom articulates on the second rack.
The drawing of patterns unit can enough guarantee that the bottom surface of die keeps leveling when the punching press through the meshing of third gear and second rack to and mutually supporting of second rack and connecting rod, kicking block, can realize the drawing of patterns again with the sheet metal component ejecting after the punching press is accomplished, has improved the efficiency of sheet metal component punching press.
The third scheme is as follows: preferably, a cylindrical cylinder body is arranged in the first cavity on the right side of the lower die, a circular sealing plate is hermetically and slidably connected in the cylinder body, the sealing plate can rotate in the cylinder body, and the top of the sealing plate is fixedly connected with the bottom of the rotating rod in the first cavity on the right side of the lower die; the cylinder body is divided into a first air chamber and a second air chamber by the sealing plate, a first air pipe communicated with the first air chamber and a second air pipe communicated with the second air chamber are arranged outside the cylinder body, one end, far away from the first air chamber, of the first air pipe is fixed at the bottom of the female die and communicated with the female die, and one end, far away from the second air chamber, of the second air pipe is communicated with the outside of the lower die.
In the stamping process, the rotating rod on the right side of the female die can push the sealing plate to move downwards in the moving-down process, so that the air pressure in the first air chamber is reduced, and the air in the female die is sucked into the first air chamber, thereby reducing the resistance of the air in the female die to stamping of the sheet metal part and enabling the sheet metal part to be stamped and formed more easily. After the stamping of sheet metal component was accomplished, the process that the closing plate moved up rotating and always will be with the first trachea of crowded income of the air in the first trachea, again from first trachea enter into the die and effect and sheet metal component by the position of punching press, provide the helping hand for the drawing of patterns of sheet metal component, make the sheet metal component realize the drawing of patterns more easily.
And the scheme is as follows: preferably, the bottom surface of the circular plate is provided with a wear-resistant coating. The wear-resistant coating can slow down the wear generated when the bottom of the circular plate and the bottom of the supporting rod move relatively, and the service life of the circular plate is prolonged.
And a fifth scheme: preferably, the bottom surface of the turntable is also provided with a wear-resistant coating. The wear-resistant coating can slow down the wear generated when the bottom of the rotary table and the elastic pressing plate move relatively, and the service life of the rotary table is prolonged.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a stamping die for sheet metal parts according to the present invention;
fig. 2 is an enlarged view of a point a in fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises an upper die 1, a lower die 2, a male die 3, a female die 4, a cylinder 5, a first cavity 6, a rotating rod 7, a rotary disc 8, a nut 9, an external thread part 10, a circular plate 11, a guide rail 12, a transmission rack 13, a first gear 14, a second gear 15, a first rack 16, an elastic pressure plate 17, an air hole 18, a third gear 19, a second rack 20, a first spring 21, a connecting rod 22, a top block 23, a sliding opening 24, a cylinder body 25, a sliding plate 26, a first air chamber 27, a second air chamber 28, a first air pipe 29, a second air pipe 30, a sealing plate 31, a second cavity 32, a third cavity 33, a second spring 34 and a support rod 35.
The embodiment is substantially as shown in figures 1 and 2:
a stamping die for panel beating spare part mainly includes mould 1, lower mould 2, terrace die 3, die 4, cylinder 5, the unit that flattens, drawing of patterns unit constitute, goes up mould 1, lower mould 2, cylinder 5 and all installs in the frame. The upper part of the upper die 1 is connected with the output end of the cylinder 5, and the male die 3 is fixed in the middle of the lower end of the upper die 1. The middle part of the lower die 2 is provided with a female die 4 matched with the male die 3, the left side and the right side of the lower die 2 are both provided with first cavities 6, a third cavity 33 is arranged below the female die 4, and the third cavity 33 is positioned between the two first cavities 6.
And two sides of the female die 4 are respectively provided with a flattening unit, and the flattening unit mainly comprises a groove, a rotating rod 7, a rotary disc 8, a circular plate 11, an external thread part 10, a first cavity 6, a nut 9, a transmission rack 13, an elastic pressing plate 17, a second cavity 32, a sliding plate 26 and a support rod 35. The groove is formed in the bottom of the upper die 1, and the interface of the groove is T-shaped; the rotating rod 7 is T-shaped, and the top of the rotating rod 7 is rotatably connected in the groove; the part of the rotating rod 7 positioned outside the groove is sequentially provided with a rotating disc 8, an external thread part 10 and a circular plate 11 from top to bottom, the bottom of the rotating rod 7 penetrates into the first chamber 6, and the circular plate 11 is positioned in the first chamber 6; the turntable 8 can flatten sheet metal parts. The upper part of the first chamber 6 is provided with a nut 9, a guide rail 12, a first gear 14 and a second gear 15, the nut 9 is in threaded connection with the external thread part 10, the guide rail 12 is positioned below the circular plate 11, and a transmission rack 13 is connected in the guide rail 12 in a sliding way. The first gear 14 and the second gear 15 are both rotationally connected in the lower die 2, one side of the first gear 14 is meshed with the transmission rack 13, and the other side of the first gear 14 is meshed with the second gear 15; one side of the second gear 15, which is far away from the first gear 14, is engaged with a first rack 16 which is vertically arranged, the top of the first rack 16 penetrates through the top of the lower die 2 and is fixedly provided with an elastic pressing plate 17, the elastic pressing plate 17 is horizontally arranged, and the elastic pressing plate 17 is positioned below the turntable 8.
The second chamber 32 is arranged at the top of the lower die 2, the top of the second chamber 32 is communicated with a plurality of air holes 18, and the upper ends of the air holes 18 are communicated with the outside of the lower die 2. Sliding connection has slide 26 in the second chamber 32, and the bottom welding of slide 26 has L-shaped branch 35 and a plurality of first spring 21, and the bottom mounting of first spring 21 is in second chamber 32 bottom, and the bottom of branch 35 penetrates in first chamber 6, and the bottom of branch 35 is located the below of disc and links to each other with first rack 16 top.
The cylinder body 25 is installed in the first cavity 6 on the right side of the lower die 2, the sealing plate 31 is connected to the cylinder body 25 in a sliding mode, the sealing plate 31 can rotate in the cylinder body 25, the top of the sealing plate 31 is fixedly connected with the bottom of the rotating rod 7 on the right side of the lower die 2, the cylinder body 25 is divided into a first air chamber 27 and a second air chamber 28 by the sealing plate 31, a first air pipe 29 communicated with the first air chamber 27 and a second air pipe 30 communicated with the second air chamber 28 are arranged outside the cylinder body 25, one end, far away from the first air chamber 27, of the first air pipe 29 is fixed to the bottom of the female die 4 and communicated with the female die 4, and one end, far.
During operation, the sheet metal part is placed on the lower die 2, and the two sides of the sheet metal part are located below the elastic pressing plate 17. The cylinder 5 is started, the cylinder 5 drives the upper die 1 and the male die 3 to move downwards together, the upper die 1 can extrude the rotating rod 7 and push the rotating rod 7 to move downwards in the moving process, the external thread part 10 on the rotating rod 7 is in threaded connection with the nut 9, the rotating rod 7 rotates anticlockwise under the action of the nut 9 and moves downwards, the rotating rod 7 can drive the circular plate 11 and the turntable 8 to move downwards together in the moving process, the circular plate 11 can extrude the bottom of the supporting rod 35 and push the supporting rod 35 to move downwards, the supporting rod 35 can drive the sliding plate 26 to move downwards when moving downwards, so that the upper part of the second cavity 32 and the air hole 18 form negative pressure, the side part of the sheet metal part placed on the lower die 2 is adsorbed, the side part of the sheet metal part is preliminarily fixed, and the side part of the sheet metal part is prevented from tilting. When the support rod 35 moves downwards, the transmission rack 13 can be pushed to move downwards, the transmission rack 13 drives the first gear 14 to rotate anticlockwise, the first gear 14 drives the second gear 15 to rotate clockwise, the second gear 15 drives the first rack 16 to move downwards, and therefore the elastic pressing plate 17 is gradually pressed on the side portion of the sheet metal part, the sheet metal part is prevented from tilting, and secondary fixing and flattening are carried out on the sheet metal part. The rotating disc 8 gradually pushes against the elastic pressing plate 17 in the process of rotating and moving downwards, and the side part of the sheet metal part is fixed in a third way. At this time, the male die 3 just contacts the sheet metal member.
The upper die 1 and the male die 3 continuously move downwards, and the male die 3 punches the sheet metal part; the rotary table 8 rotates on the elastic pressure plate 17 and extrudes the elastic pressure plate 17, so that the rotary rod 7 continuously moves downwards for a certain distance, and the male die 3 is ensured to complete the stamping of the sheet metal part. The carousel 8 is rotating and the in-process that moves down, both can press from both sides tightly spacingly to the lateral part of sheet metal component, and stability when having strengthened the sheet metal component punching press greatly prevents the lateral part perk of sheet metal component, can flatten the perk that the sheet metal component lateral part produced again, has guaranteed the quality of sheet metal component punching press to improve the yield of sheet metal component.
In the stamping process, the rotating rod 7 positioned on the left side of the female die 4 can drive the third gear 19 to rotate anticlockwise and move downwards in the downward moving process, so that the third gear 19 is gradually meshed with the second rack 20, the third gear 19 can push the second rack 20 to move rightwards in the rotating process and compress the second spring 34, the second rack 20 can drive the ejector block 23 to gradually slide back into the sliding opening 24 through the connecting rod 22 in the moving process, and when the top of the ejector block 23 is level with the bottom surface of the female die 4, the male die 3 just enters the female die 4 and finishes stamping of the sheet metal part. The rotating rod 7 on the right side of the female die 4 can push the sealing plate 31 to move downwards in the downward moving process, so that the air pressure in the first air chamber 27 is reduced, and the air in the female die 4 is sucked into the first air chamber 27, thereby reducing the resistance of the air in the female die 4 to the stamping of the sheet metal part and enabling the sheet metal part to be stamped and formed more easily.
After the stamping of the sheet metal part is finished, the cylinder 5 is reversely started, the cylinder 5 drives the upper die 1 and the male die 3 to move upwards, the male die 3 gradually leaves the female die 4, the upper die 1 drives the rotating rod 7 to reversely rotate and move upwards, the rotating rod 7 can drive the rotating disc 8, the external thread part 10, the circular plate 11, the third gear 19 and the sealing plate 31 to reversely rotate and move upwards in the reverse rotation process, and the rotating disc 8 is gradually separated from the elastic pressure plate 17; the circular plate 11 is gradually separated from the supporting rod 35, the supporting rod 35 and the transmission rack 13 move upwards under the action of the restoring force of the first spring 21, and the transmission rack 13 drives the first rack 16 to move upwards through the first gear 14 and the second gear 15, so that the elastic pressing plate 17 is separated from the sheet metal part, and people can take the sheet metal part out conveniently. The second rack 20 gradually moves leftwards under the action of the reverse rotation of the third gear 19 and the restoring force of the second spring 34, and the left movement of the second rack 20 drives the ejector block 23 to move upwards through the connecting rod 22 and eject out the sheet metal part, so that the sheet metal part after being punched is demoulded. In addition, the sealing plate 31 can extrude the air in the first air chamber 27 into the first air pipe 29 in the process of rotating and moving upwards, and then the air enters the die 4 from the first air pipe 29 and acts on the part of the sheet metal part to be stamped, so that assistance is provided for the demolding of the sheet metal part, and the sheet metal part is easier to demold.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. The stamping die for the sheet metal parts comprises an upper die and a lower die, wherein the top of the upper die is connected with a cylinder, and the bottom of the upper die is provided with a male die; the lower die is provided with a female die matched with the male die; the method is characterized in that: the two sides of the female die are respectively provided with a flattening unit, each flattening unit comprises a groove formed in the bottom of the upper die, and the cross section of each groove is T-shaped; a T-shaped rotating rod is rotationally connected in the groove, the part of the rotating rod, which is far away from the upper die, penetrates out of the groove and is sequentially provided with a rotating disc, an external thread part and a circular plate, and the rotating disc can flatten the sheet metal part; the two sides of the lower die are provided with first cavities, the bottom of the rotating rod is inserted into the first cavities, and the circular plate is positioned in the first cavities; the upper part of the first cavity is provided with a nut, a guide rail, a first gear and a second gear, the nut is in threaded connection with the external thread part of the rotating rod, the guide rail is positioned below the circular plate, and the guide rail is connected with a transmission rack in a sliding way; the first gear and the second gear are both rotationally connected in the lower die, one side of the first gear is meshed with the transmission rack, and the other side of the first gear is meshed with the second gear; a first rack which is vertically arranged is meshed with one side, away from the first gear, of the second gear, the top of the first rack penetrates through the top of the lower die and is fixed with a horizontally arranged elastic pressing plate, and the elastic pressing plate is positioned below the rotary table;
the top of the lower die is also provided with a second chamber and a plurality of air holes, the top of each air hole is communicated with the outside of the lower die, and the bottom of each air hole is communicated with the second chamber; the disc rack is characterized in that a sliding plate is hermetically and slidably connected in the second chamber, an L-shaped supporting rod and a plurality of first springs are fixed at the bottom of the sliding plate, the bottom end of each first spring is fixed at the bottom of the second chamber, the bottom of each supporting rod penetrates into the corresponding first chamber, and the bottom of each supporting rod is located below the corresponding disc and is connected with the top of the corresponding first rack.
2. The stamping die for sheet metal parts as claimed in claim 1, wherein: a third cavity is arranged below the female die, the third cavity is communicated with a first cavity on the left side of the lower die, a demolding unit is jointly arranged in the first cavity on the left side and the third cavity, the demolding unit comprises a third gear fixed at the bottom of the rotating rod, the bottom of the third cavity is connected with a second rack in a sliding mode, one end of the second rack penetrates into the first cavity on the left side and can be meshed with the third gear, a second spring is fixed to the other end of the second rack, and one end, away from the second rack, of the second spring is fixed in the third cavity; the die bottom is equipped with the slip mouth of a plurality of and third chamber intercommunication, sliding connection has the kicking block in the slip mouth, the kicking block bottom articulates there is the connecting rod, the connecting rod bottom articulates on the second rack.
3. The stamping die for sheet metal parts as claimed in claim 2, wherein: a cylindrical cylinder body is arranged in the first cavity on the right side of the lower die, a circular sealing plate is hermetically and slidably connected in the cylinder body, the sealing plate can rotate in the cylinder body, and the top of the sealing plate is fixedly connected with the bottom of a rotating rod in the first cavity on the right side of the lower die; the cylinder body is divided into a first air chamber and a second air chamber by the sealing plate, a first air pipe communicated with the first air chamber and a second air pipe communicated with the second air chamber are arranged outside the cylinder body, one end, far away from the first air chamber, of the first air pipe is fixed at the bottom of the female die and communicated with the female die, and one end, far away from the second air chamber, of the second air pipe is communicated with the outside of the lower die.
4. The stamping die for sheet metal parts as claimed in claim 1, wherein: the bottom surface of the circular plate is provided with a wear-resistant coating.
5. The stamping die for sheet metal parts as claimed in claim 4, wherein: the bottom surface of the turntable is also provided with a wear-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712178.7A CN108672567B (en) | 2018-06-29 | 2018-06-29 | Stamping die for sheet metal parts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712178.7A CN108672567B (en) | 2018-06-29 | 2018-06-29 | Stamping die for sheet metal parts |
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| CN108672567A CN108672567A (en) | 2018-10-19 |
| CN108672567B true CN108672567B (en) | 2020-03-24 |
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| CN109759510B (en) * | 2019-03-20 | 2020-04-24 | 广州东日金属模具有限公司 | Automobile metal plate stamping die |
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| CN111250605B (en) * | 2020-02-13 | 2020-12-08 | 东莞市壬鼎模具有限公司 | Stamping die and stamping forming method thereof |
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| CN113477824B (en) * | 2021-07-27 | 2023-03-28 | 上海云飞工贸发展有限公司 | Automatic demoulding and feeding system of stamping die |
| CN114289618A (en) * | 2022-01-13 | 2022-04-08 | 昆山迈杰鑫精密组件有限公司 | Stamping forming die |
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| CN117086176B (en) * | 2023-10-19 | 2023-12-29 | 山西迈杰模具制造有限公司 | Mould structure with balancing unit |
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| CN105689494A (en) * | 2016-03-11 | 2016-06-22 | 无锡建凌电器有限公司 | Hardware machining perforating machine |
| CN206169062U (en) * | 2016-08-08 | 2017-05-17 | 天津市双威精密模具有限公司 | Prevent excursion stamping die with fastening slide rail |
| CN106955933B (en) * | 2017-04-12 | 2019-01-04 | 滁州市东华模具制造有限公司 | A kind of stamping die of side positioning |
| CN107537933A (en) * | 2017-09-28 | 2018-01-05 | 如皋市煜腾金属材料科技有限公司 | A kind of hot stamping device being applied in alloy production |
| CN207401963U (en) * | 2017-11-17 | 2018-05-25 | 盐城黄海新能源开发运营有限公司 | A kind of electric vehicle metal plate punching device |
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2018
- 2018-06-29 CN CN201810712178.7A patent/CN108672567B/en active Active
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