CN210172345U - Stretching die with exhausting function - Google Patents
Stretching die with exhausting function Download PDFInfo
- Publication number
- CN210172345U CN210172345U CN201920559983.0U CN201920559983U CN210172345U CN 210172345 U CN210172345 U CN 210172345U CN 201920559983 U CN201920559983 U CN 201920559983U CN 210172345 U CN210172345 U CN 210172345U
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- die
- plate
- hole
- ejector
- substrate
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- 239000000428 dust Substances 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 10
- 238000012797 qualification Methods 0.000 abstract description 4
- 230000009931 harmful effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000002411 adverse Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003434 inspiratory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of the tensile mould technique and specifically relates to a tensile mould with exhaust function, including lower mould and last mould, the lower mould includes the infrabasal plate, the upper surface middle part of infrabasal plate is provided with the terrace die that is used for forming the product internal surface, the upper surface of infrabasal plate is provided with the kicking plate, the ladder through-hole has been seted up at the upper surface middle part of terrace die, the installation is provided with the end cap in the ladder through-hole, the end cap upper surface evenly opens there is the air vent, the infrabasal plate upper surface is seted up with ladder through-hole assorted logical groove, lead to end opening part threaded connection dustproof mechanism under the groove, it includes the upper. The utility model discloses have and to avoid the gas pressure of tensile intracavity too big to lead to the fact harmful effects to the tension member, improved the qualification rate of product, avoid the tension member to inhale the dust in the gas when the drawing of patterns simultaneously and will exhaust the hole stifled die.
Description
Technical Field
The utility model relates to a tensile mould technical field especially relates to a tensile mould with exhausting function.
Background
The structure of drawing die mainly includes mould and lower mould, it is provided with the die cavity that is used for forming the product surface to go up the mould, the lower mould includes the infrabasal plate, the infrabasal plate passes through guide pillar sliding connection with last mould, be provided with core, material returning plate and power spare on the infrabasal plate, the core is used for forming the product internal surface, the material returning plate is provided with the cavity of holding core, the top surface of material returning plate is used for placing the blank, the power spare is used for driving the material returning plate rebound and then makes the stretch forming product deviate from the core.
However, when the existing drawing die works, air enclosed between a workpiece and a convex die is compressed to generate high pressure, so that the deformation of the workpiece is caused to generate adverse effects, and the qualification rate of products is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the tensile mould with exhausting function who proposes makes its gas pressure that can avoid tensile intracavity too big lead to the fact harmful effects to tensile piece, has improved the qualification rate of product.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
designing a drawing die with an exhaust function, comprising a lower die and an upper die, wherein the lower die comprises a lower substrate, support plates are symmetrically arranged on the left side and the right side of the lower surface of a lower base, and a top plate is arranged between the two support plates; the middle part of the upper surface of the lower substrate is provided with a male die for forming the inner surface of a product; the upper surface of the lower base plate is provided with a jacking plate, and the jacking plate is arranged on the outer side of the male die; through holes are uniformly formed in the positions, corresponding to the ejector plates, of the lower substrate, ejector rods are inserted into the through holes, and the lower ends of the ejector rods are arranged on the ejector plates; a stepped through hole is formed in the middle of the upper surface of the male die, a plug is arranged in the stepped through hole, and vent holes are uniformly formed in the upper surface of the plug; a through groove matched with the stepped through hole is formed in the upper surface of the lower base plate, and a dustproof mechanism is connected to an opening at the lower end of the through groove in a threaded mode; guide rods are fixedly arranged at the four corners of the lower substrate; the upper die comprises an upper substrate, and guide sleeves matched with the guide rods are arranged at four corners of the lower surface of the upper substrate; and a concave die for forming the outer surface of the product is arranged in the middle of the lower surface of the upper substrate.
Preferably, the dustproof mechanism comprises an installation cylinder, a gas distribution plate, an end cover and a filtering sponge; an opening at the lower end of the through groove is in threaded connection with an installation cylinder, and a gas distribution plate is installed in the installation cylinder; an opening at the lower end of the mounting cylinder is in threaded connection with an end cover, and a plurality of air leakage holes are uniformly formed in the lower surface of the end cover; and a filtering sponge is arranged in the mounting cylinder between the gas distribution plate and the end cover.
Preferably, the left and right sides of roof all is fixed and is provided with the slider, the backup pad opposite face all set up have with slider assorted spout.
Preferably, a positioning pin is fixedly arranged at one corner of the upper surface of the ejector plate, and the female die is provided with a positioning hole matched with the pin.
Preferably, the upper surface of the top plate is provided with a mounting seat matched with the lower end of the ejector rod.
The utility model provides a pair of tensile mould with exhausting function, beneficial effect lies in: the utility model discloses in seted up the ladder through-hole through the upper surface middle part at the terrace die, the installation is provided with the end cap in the ladder through-hole, the end cap upper surface is evenly opened there is the air vent, the too big adverse effect that causes the extension piece of gas pressure of having avoided tensile intracavity, the qualification rate of product has been improved, through offering the base plate upper surface under with ladder through-hole assorted logical groove, lead to end opening part threaded connection dustproof mechanism under the groove, the inspiratory gas of extension piece when the drawing of patterns filters, avoid the dust of air to block up the air vent on the end cap, guarantee that the air vent can remain unobstructed throughout.
Drawings
Fig. 1 is a schematic front view of a drawing die with an exhaust function according to the present invention;
fig. 2 is a schematic view of a bottom view of an upper mold of a drawing mold with an exhaust function according to the present invention;
fig. 3 is an enlarged schematic structural view of a portion a of a drawing die with an exhaust function according to the present invention;
fig. 4 is a schematic structural view of a portion B in a stretching mold with an exhaust function according to the present invention.
In the figure: the device comprises a lower die 1, an upper die 2, a lower substrate 3, a supporting plate 4, a top plate 5, a sliding groove 6, a sliding block 7, a mounting seat 8, a mandril 9, a male die 10, a jacking plate 11, a through hole 12, a stepped through hole 13, a plug 14, a through groove 15, a dustproof mechanism 16, a guide rod 17, an upper substrate 18, a guide sleeve 19, a female die 20, a positioning pin 21, a positioning hole 22, a mounting cylinder 23, a gas distribution plate 24, a filter sponge 25 and an end cover 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a drawing die with an exhaust function comprises a lower die 1 and an upper die 2, wherein the lower die 1 comprises a lower base plate 3, support plates 4 are symmetrically arranged on the left and right sides of the lower base lower surface, a top plate 5 is arranged between the two support plates 4, sliders 7 are fixedly arranged on the left and right sides of the top plate 5, chutes 6 matched with the sliders 7 are formed in the opposite surfaces of the support plates 4, a male die 10 for forming the inner surface of a product is arranged in the middle of the upper surface of the lower base plate 3, a stripper plate 11 is arranged on the upper surface of the lower base plate 3, the stripper plate 11 is arranged on the outer side of the male die 10, through holes 12 are uniformly formed in the corresponding positions of the stripper plate 11 of the lower base plate 3, ejector rods 9 are inserted into the through holes 12, the lower ends of the ejector rods 9, vent holes are uniformly formed in the upper surface of the plug 14, so that the adverse effect on the stretching piece caused by overlarge gas pressure in the stretching cavity is avoided.
The through groove 15 with step through hole 13 assorted is seted up to 3 upper surfaces of infrabasal plates, lead to groove 15 lower extreme opening part threaded connection dustproof mechanism 16, dustproof mechanism 16 is including installation section of thick bamboo 23, divide gas board 24, end cover 26 and filtration sponge 25, lead to groove 15 lower extreme opening part threaded connection installation section of thick bamboo 23, install in the installation section of thick bamboo 23 and divide gas board 24, installation section of thick bamboo 23 lower extreme opening part threaded connection has end cover 26, a plurality of gas leakage holes have evenly been opened to end cover 26's lower surface, install in the installation section of thick bamboo 23 between branch gas board 24 and end cover 26 and filter sponge 25, filter the inspiratory gas of tensioning member when the drawing of patterns through filtering sponge 25, the air vent of avoiding the dust of air to block up with.
The four corners department of infrabasal plate 3 all fixes and is provided with guide bar 17, goes up mould 2 and includes upper substrate 18, and the lower surface four corners department of upper substrate 18 all is provided with and guide bar 17 phase-match uide bushing 19, and the lower surface middle part of upper substrate 18 is provided with the die 20 that is used for forming the product surface, through guide bar 17 and the cooperation of uide bushing 19 for play the location when the last mould 2 and the lower mould 1 of mould extrude.
A positioning pin 21 is fixedly arranged at one corner of the upper surface of the ejector plate 11, the female die 20 is provided with a positioning hole 22 matched with the pin, and the position between the male die 10 and the female die 20 is not easy to change through positioning between the positioning pin 21 and the positioning hole 22.
The upper surface of roof 5 is provided with and 9 lower extreme assorted mount pads 8 of ejector pin, avoids 9 lower extremes of ejector pin to remove and causes the inhomogeneous harm of atress to ejector plate 11.
The working principle is as follows: when the drawing device works, a die is firstly installed on an oil press, a lower cylinder of the oil press is used for upwards ejecting a top plate 5, a sliding connection relation between a sliding block 7 and a sliding groove 6 is used for enabling the top plate 5 to stably and upwards slide all the time, meanwhile, an ejector rod 9 is pushed to upwards slide, the upper surface of an ejector plate 11 and the highest point of a male die 10 are raised, then a plate to be drawn is placed on the ejector plate 11, a sliding table of the oil press is made to downwards slide, the plate is pressed and drawn downwards by a female die 20 of an upper die 2, air between the plate and the male die 10 is exhausted by an air hole formed in a plug 14, damage to a drawing piece due to overlarge air pressure in a drawing cavity is avoided, after drawing is finished, the oil press drives the upper die 2 to upwards return, the lower cylinder of the oil press pushes the ejector plate 11 to upwards move, the drawn workpiece is slowly pulled out of the male die 10 by the ejector plate 11, air, meanwhile, the air sucked by the dustproof mechanism 16 is used for filtering, so that the air holes formed in the plug 14 are prevented from being blocked by dust in the air.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A stretching die with an exhaust function comprises a lower die (1) and an upper die (2), and is characterized in that the lower die (1) comprises a lower substrate (3), support plates (4) are symmetrically arranged on the left side and the right side of the lower surface of the lower substrate, and a top plate (5) is arranged between the two support plates (4); the middle part of the upper surface of the lower substrate (3) is provided with a male die (10) for forming the inner surface of a product; the upper surface of the lower substrate (3) is provided with a material ejecting plate (11), and the material ejecting plate (11) is arranged on the outer side of the male die (10); through holes (12) are uniformly formed in the corresponding positions of the ejector plates (11) of the lower substrate (3), ejector rods (9) are inserted into the through holes (12), and the lower ends of the ejector rods (9) are arranged on the ejector plates (11); a stepped through hole (13) is formed in the middle of the upper surface of the male die (10), plugs (14) are installed in the stepped through hole (13), and vent holes are uniformly formed in the upper surface of each plug (14); a through groove (15) matched with the stepped through hole (13) is formed in the upper surface of the lower base plate (3), and a dustproof mechanism (16) is connected to an opening at the lower end of the through groove (15) in a threaded manner; guide rods (17) are fixedly arranged at the four corners of the lower substrate (3); the upper die (2) comprises an upper substrate (18), and guide sleeves (19) matched with the guide rods (17) are arranged at the four corners of the lower surface of the upper substrate (18); and a concave die (20) for forming the outer surface of the product is arranged in the middle of the lower surface of the upper substrate (18).
2. The drawing die with the air exhausting function as recited in claim 1, wherein the dust preventing mechanism (16) comprises a mounting cylinder (23), an air distributing plate (24), an end cap (26) and a filter sponge (25); an opening at the lower end of the through groove (15) is in threaded connection with a mounting cylinder (23), and a gas distribution plate (24) is mounted in the mounting cylinder (23); an opening at the lower end of the mounting cylinder (23) is in threaded connection with an end cover (26), and a plurality of air leakage holes are uniformly formed in the lower surface of the end cover (26); and a filtering sponge (25) is arranged in the mounting cylinder (23) between the air distribution plate (24) and the end cover (26).
3. The drawing die with the exhaust function as recited in claim 1, wherein sliding blocks (7) are fixedly arranged on the left side and the right side of the top plate (5), and sliding grooves (6) matched with the sliding blocks (7) are formed in the opposite surfaces of the supporting plate (4).
4. The drawing die with the air exhausting function as recited in claim 1, wherein a positioning pin (21) is fixedly arranged at one corner of the upper surface of the ejector plate (11), and the female die (20) is provided with a positioning hole (22) matched with the pin.
5. Drawing die with air exhaust function according to claim 1, characterized in that the upper surface of the top plate (5) is provided with a mounting seat (8) matching with the lower end of the ejector pin (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920559983.0U CN210172345U (en) | 2019-04-23 | 2019-04-23 | Stretching die with exhausting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920559983.0U CN210172345U (en) | 2019-04-23 | 2019-04-23 | Stretching die with exhausting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210172345U true CN210172345U (en) | 2020-03-24 |
Family
ID=69831570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920559983.0U Expired - Fee Related CN210172345U (en) | 2019-04-23 | 2019-04-23 | Stretching die with exhausting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210172345U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338064A (en) * | 2020-11-04 | 2021-02-09 | 奇瑞汽车股份有限公司 | Exhaust structure of drawing male die of top cover outer plate |
| CN116765248A (en) * | 2023-05-04 | 2023-09-19 | 昆山市海雅特汽车科技有限公司 | Continuous bending punching die convenient for material returning |
-
2019
- 2019-04-23 CN CN201920559983.0U patent/CN210172345U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338064A (en) * | 2020-11-04 | 2021-02-09 | 奇瑞汽车股份有限公司 | Exhaust structure of drawing male die of top cover outer plate |
| CN116765248A (en) * | 2023-05-04 | 2023-09-19 | 昆山市海雅特汽车科技有限公司 | Continuous bending punching die convenient for material returning |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200324 |
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| CF01 | Termination of patent right due to non-payment of annual fee |