CN112605272B - Mould for deep convex hull on arc convex hull - Google Patents
Mould for deep convex hull on arc convex hull Download PDFInfo
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- CN112605272B CN112605272B CN202011506677.4A CN202011506677A CN112605272B CN 112605272 B CN112605272 B CN 112605272B CN 202011506677 A CN202011506677 A CN 202011506677A CN 112605272 B CN112605272 B CN 112605272B
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- die
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- convex hull
- concave
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- 238000000465 moulding Methods 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The invention discloses a die for guiding a deep convex hull on an arc-shaped convex hull, which comprises an upper die and a lower die, wherein the upper die comprises an upper support (1), an upper base plate (2), a fixed plate (3), a limiting plate (4) and a stripper plate (5), wherein the upper base plate (2), the fixed plate (3), the limiting plate (4) and the stripper plate (5) are sequentially fixedly arranged at the bottom of the upper support (1), and two molding arc-shaped surface male dies (6) are fixedly arranged in the stripper plate (5); the lower die comprises a base (10), a lower backing plate (11) and a concave die plate (12) which are sequentially and fixedly arranged at the top of the base (10), a concave cavity (13) is formed in the concave die plate (12), and a forming arc-shaped surface concave die (14) is arranged in the concave cavity (13) in a sliding mode. The beneficial effects of the invention are as follows: compact structure, improved production efficiency of finished parts, improved processing precision of finished parts and reduced production cost.
Description
Technical Field
The invention relates to the technical field of mold structures, in particular to a mold for deep-drawing a convex hull on an arc-shaped convex hull.
Background
The structure of the finished part is shown in fig. 1, and the finished part comprises a plate body 23, wherein arc-shaped convex hulls 24 are arranged at the left end and the right end of the plate body 23, and a convex hull 25 is arranged at the top of each arc-shaped convex hull 24. The existing finished part with the arc convex hull 24 and the convex hull 25 is processed through a stamping die, the plate body 23 is firstly assembled on a female die of the die A, then the male die of the die A is matched with the female die to form two arc convex hulls 24 at two ends of the plate body 23, so that a semi-finished part is obtained, the semi-finished part is assembled on a female die of the die B, and then the male die of the die B is matched with the female die to form the convex hull 25 on the two arc convex hulls 24, so that the finished part is finally processed. However, this way of processing, while capable of producing finished parts, still suffers from the following drawbacks: 1. two tools are needed to process the finished part, which clearly increases the accumulated positioning error, reduces the position accuracy of the arc convex hull 24 and the convex hull 25, and leads to low processing accuracy of the finished part. 2. The two pairs of dies A are needed for processing finished parts, so that the die cost is increased, the part turnover time is increased, and the production efficiency of the finished parts is further reduced. Therefore, a mold for improving the production efficiency of the finished parts, improving the processing precision of the finished parts and reducing the production cost is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the die for guiding the deep convex hull on the arc-shaped convex hull, which has the advantages of compact structure, improvement of the production efficiency of finished parts, improvement of the processing precision of the finished parts and reduction of the production cost.
The aim of the invention is achieved by the following technical scheme: the die comprises an upper die and a lower die, wherein the upper die comprises an upper support, an upper base plate, a fixed plate, a limiting plate and a stripper plate, the upper base plate, the fixed plate, the limiting plate and the stripper plate are sequentially fixedly arranged at the bottom of the upper support, two molding arc surface male dies are fixedly arranged in the stripper plate, an arc surface is arranged at the bottom of each molding arc surface male die, the arc surfaces of the two molding arc surface male dies are oppositely arranged left and right, through grooves which are axially arranged along the molding arc surface male dies are formed in the molding arc surface male dies, the through grooves penetrate through the arc surfaces, two convex surface female dies are fixedly arranged on the limiting plate, and the two convex surface female dies respectively extend into the two through grooves;
The lower mould includes the base, set firmly in the lower bolster and the die plate at base top in order, set firmly the cavity in the die plate, slidable mounting has shaping arcwall face die in the cavity, be provided with the clearance between shaping arcwall face die and the lower bolster, two recesses have been seted up at the top of shaping arcwall face die, the recess sets up in the die plate top, two recesses correspond the setting about two shaping arcwall face punches respectively, arc arch has all been set firmly on the tank bottom of two recesses, two arc archs are located respectively under two arcwall faces, and cooperate with the arcwall face, two guide slots have been seted up at the bottom of shaping arcwall face die, two guide slots run through two arc arch settings respectively, two guide slots set up respectively under two logical grooves, the groove width of guide slot is less than the groove width of logical groove, the cavity is provided with two convex closure punches on the lower bolster, two convex closure punches stretch into respectively in two guide slots, and the top surface setting of two convex closure punches in the die plate top, the base is interior nitrogen gas that has set firmly respectively, the top spring has set firmly the top, the ejector pin is set firmly on the bottom of the ejector pin, the ejector pin is formed by the bottom of the cavity in order.
The concave cavity is provided with a guide seat fixedly arranged on the lower base plate, the guide seat is arranged in the gap, two guide holes corresponding to the guide grooves respectively are formed in the guide seat, and the two convex hull male dies penetrate through the two guide holes respectively.
The ejector rod penetrates through the guide seat and is fixedly arranged on the forming arc-shaped surface female die.
The lower backing plate is provided with a through hole communicated with the concave cavity, and the ejector rod is slidably arranged in the through hole.
The convex hull male die is a step die.
The invention has the following advantages: the invention has compact structure, improves the production efficiency of finished parts, improves the processing precision of the finished parts and reduces the production cost.
Drawings
FIG. 1 is a schematic structural view of a finished part;
FIG. 2 is a schematic view of the structure of the present invention in an open mode;
FIG. 3 is a schematic structural view of a molding arced face die;
FIG. 4 is a schematic diagram of the connection of a male die with a convex hull and a female die with a molded arc surface;
fig. 5 is a schematic structural view of a convex hull male die;
FIG. 6 is a schematic illustration of a molded semi-finished part of the present invention;
FIG. 7 is a schematic illustration of the structure of a semi-finished part;
FIG. 8 is a schematic illustration of a molded finished part of the present invention;
FIG. 9 is an enlarged partial schematic view of the portion I of FIG. 8;
in the figure, the steel plate comprises a 1-upper support, a 2-upper backing plate, a 3-fixing plate, a 4-limiting plate, a 5-discharging plate, a 6-forming arc surface male die, a 7-arc surface, an 8-through groove, a 9-convex hull female die, a 10-base, a 11-lower backing plate, a 12-female die plate, a 13-concave cavity, a 14-forming arc surface female die, a 15-groove, a 16-arc bulge, a 17-guide groove, a 18-convex hull male die, a 19-nitrogen spring, a 20-ejector rod, a 21-guide seat, a 23-plate body, a 24-arc convex hull and a 25-convex hull.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
As shown in fig. 2-9, a mould for guiding deep convex hulls on arc convex hulls comprises an upper mould and a lower mould, wherein the upper mould comprises an upper support 1, an upper base plate 2, a fixing plate 3, a limiting plate 4 and a stripper plate 5, wherein the upper base plate 2, the fixing plate 3, the limiting plate 4 and the stripper plate 5 are fixedly arranged at the bottom of the upper support 1, two molding arc-shaped surface male dies 6 are fixedly arranged in the stripper plate 5, arc-shaped surfaces 7 are arranged below the stripper plate 5, the arc-shaped surfaces 7 of the two molding arc-shaped surface male dies 6 are oppositely arranged left and right, through grooves 8 which are axially arranged along the molding arc-shaped surface male dies 6 are formed in the forming arc-shaped surface male dies 6, the through grooves 8 penetrate through the arc-shaped surfaces 7, two convex hull female dies 9 are fixedly arranged on the limiting plate 4, and the two convex hull female dies 9 respectively extend into the two through grooves 8.
The lower die comprises a base 10, a lower backing plate 11 and a concave die plate 12 which are sequentially and fixedly arranged at the top of the base 10, a concave cavity 13 is formed in the concave die plate 12, a forming arc surface concave die 14 is arranged in the concave cavity 13 in a sliding manner, a gap is formed between the forming arc surface concave die 14 and the lower backing plate 11, two grooves 15 are formed at the top of the forming arc surface concave die 14, the grooves 15 are arranged above the concave die plate 12, the two grooves 15 are respectively and correspondingly arranged up and down with the two forming arc surface convex dies 6, arc-shaped bulges 16 are respectively and fixedly arranged on the bottoms of the two grooves 15, the two arc-shaped bulges 16 are respectively positioned under the two arc surfaces 7 and are matched with the arc surfaces 7, two guide grooves 17 are formed at the bottom of the forming arc surface concave die 14, the two guide grooves 17 penetrate through the two arc-shaped bulges 16 respectively, the two guide grooves 17 are arranged under the two through grooves 8 respectively, the groove width of the guide grooves 17 is smaller than that of the through grooves 8, the concave cavity 13 is provided with two convex hull convex molds 18 fixedly arranged on the lower base plate 11, the convex hull convex molds 18 are stepped molds, the two convex hull convex molds 18 extend into the two guide grooves 17 respectively, the top surfaces of the two convex hull convex molds 18 are arranged above the concave mold plates 12, a nitrogen spring 19 is fixedly arranged in the base 10, an ejector rod 20 is fixedly arranged at the top of the nitrogen spring 19, and the other end of the ejector rod 20 sequentially penetrates through the lower base plate 11, the concave cavity 13 and is fixedly arranged on the bottom surface of the molding arc-shaped surface concave mold 14.
The concave cavity 13 is provided with a guide seat 21 fixedly arranged on the lower base plate 11, the guide seat 21 is arranged in the gap, two guide holes corresponding to the guide grooves 17 respectively are formed in the guide seat 21, and the two convex hull male dies 18 respectively penetrate through the two guide holes. The ejector rod 20 penetrates through the guide seat 21 and is fixedly arranged on the molding arc-shaped surface female die 14. The lower backing plate 11 is provided with a through hole communicated with the concave cavity 13, and the ejector rod 20 is slidably arranged in the through hole.
The working process of the invention is as follows:
s1, connecting an upper support 1 to a stamping head of a stamping die;
S2, processing of semi-finished parts: the worker places the plate body 23 on the top surface of the molding arc surface female die 14 in a flat way, and the left and right extending parts of the plate body 23 are respectively positioned right above the two arc protrusions 16; operating a stamping die to enable a stamping head of the stamping die to move downwards, enabling the stamping head to drive an upper support 1 to move downwards, enabling the upper support 1 to drive an upper base plate 2, a fixing plate 3, a limiting plate 4, a stripper plate 5, a forming arc surface male die 6 and a convex hull female die 9 to synchronously move downwards, enabling the two forming arc surface male dies 6 to extend downwards to the left and right extending parts of a pressing plate body 23 respectively, enabling the left and right end parts of the plate body 23 to move towards the direction of an arc bulge 16 after being pressed, and enabling a semi-finished part with two arc convex hulls 24 to be processed after arc surfaces 7 of the two forming arc surface male dies 6 are matched with the two arc bulge 16 respectively, wherein the semi-finished part is shown in fig. 6-7;
s3, processing a finished part: with the continuous downward movement of the stamping head, the molding arc surface male die 6 drives the semi-finished part to move downwards and presses the molding arc surface female die 14 downwards, the molding arc surface female die 14 moves downwards relative to the convex hull male die 18, the molding arc surface female die 14 presses the ejector rod 20 downwards, the ejector rod 20 presses the nitrogen spring 19 downwards, the nitrogen spring 19 is compressed, after the molding arc surface female die 14 moves downwards for a certain distance, the top end surface of the convex hull male die 18 is exposed above the molding arc surface female die 14, meanwhile, the convex hull male die 18 stretches into the through groove 8, the convex hull male die 18 pushes the arc convex hulls 24 on the semi-finished part into the through groove 8 so as to mold convex hulls 25 between the convex hull female die 9 and the convex hull male die 18, and after the stamping head can not move downwards any more, the finished part can be finally molded, and the convex hulls are molded on the arc convex hulls as shown in fig. 8-9;
S4, operating the stamping head to reset, wherein the stamping head drives the upper support 1 to move upwards, the upper support 1 drives the upper base plate 2, the fixed plate 3, the limiting plate 4, the stripper plate 5, the forming arc surface male die 6 and the convex hull female die 9 to move upwards synchronously, the forming arc surface female die 14 resets under the action of the restoring force of the nitrogen spring 19, the nitrogen spring 19 jacks up the ejector rod 20, the ejector rod 20 jacks up the forming arc surface female die 14, the forming arc surface female die 14 jacks up the finished part, and the finished part is taken away after resetting;
S5, repeating the operations of S2-S4, and continuously producing a plurality of finished parts.
In the whole production process, finished parts can be produced by positioning the plate body 23 only once, compared with the traditional processing mode, the accumulated positioning errors are reduced, so that the position accuracy of the convex hulls 25 and the arc-shaped convex hulls 24 on each part is ensured, and the processing accuracy of the parts is greatly improved. In addition, only one pair of dies is needed to form the arc convex hulls 24 and the convex hulls 25 on the plate body 23, turnover is not needed, and the production efficiency of parts is greatly improved.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a mould of deep convex hull on protruding package of arc which characterized in that: the automatic forming die comprises an upper die and a lower die, wherein the upper die comprises an upper support (1), an upper base plate (2), a fixing plate (3), a limiting plate (4) and a discharging plate (5) which are sequentially and fixedly arranged at the bottom of the upper support (1), two forming arc-shaped surface male dies (6) are fixedly arranged in the discharging plate (5), arc-shaped surfaces (7) are arranged at the bottom of the forming arc-shaped surface male dies (6), the arc-shaped surfaces (7) of the two forming arc-shaped surface male dies (6) are oppositely arranged left and right, through grooves (8) which are axially arranged along the forming arc-shaped surface male dies are formed in the forming arc-shaped surface male dies (6), the through grooves (8) penetrate through the arc-shaped surfaces (7), two convex-shaped surface female dies (9) are fixedly arranged on the limiting plate (4), and the two convex-shaped female dies (9) extend into the two through grooves (8) respectively;
The lower die comprises a base (10), a lower base plate (11) and a concave die plate (12) which are sequentially and fixedly arranged at the top of the base (10), a concave cavity (13) is formed in the concave die plate (12), a forming arc surface concave die (14) is arranged in the concave cavity (13), a gap is formed between the forming arc surface concave die (14) and the lower base plate (11), two grooves (15) are formed in the top of the forming arc surface concave die (14), the grooves (15) are arranged above the concave die plate (12), the two grooves (15) are respectively and vertically arranged with two forming arc surface convex dies (6), arc-shaped bulges (16) are respectively and fixedly arranged on the bottoms of the two grooves (15) under the two arc surfaces (7), the two arc surface concave dies (14) are matched with the arc surfaces (7), two guide grooves (17) are respectively formed in the bottoms of the forming arc surface concave die (14), the two guide grooves (17) penetrate through the two arc-shaped bulges (16) respectively, the two guide grooves (17) are respectively arranged on the two guide grooves (8) and are respectively arranged on the two guide grooves (18) which are respectively arranged in the concave die plates (11) and are respectively arranged on the concave die plates (18), the top surfaces of the two convex hull male dies (18) are arranged above the female die plate (12), a nitrogen spring (19) is fixedly arranged in the base (10), a top rod (20) is fixedly arranged at the top of the nitrogen spring (19), and the other end of the top rod (20) sequentially penetrates through the lower base plate (11) and the concave cavity (13) and is fixedly arranged on the bottom surface of the molding arc-shaped surface female die (14);
The concave cavity (13) is provided with a guide seat (21) fixedly arranged on the lower base plate (11), the guide seat (21) is arranged in the gap, two guide holes corresponding to the guide grooves (17) are formed in the guide seat (21), and the two convex hull convex molds (18) penetrate through the two guide holes respectively; the ejector rod (20) penetrates through the guide seat (21) and is fixedly arranged on the molding arc-shaped surface female die (14).
2. A die for drawing a deep convex hull over an arcuate convex hull in accordance with claim 1, wherein: the lower backing plate (11) is provided with a through hole communicated with the concave cavity (13), and the ejector rod (20) is slidably arranged in the through hole.
3. A die for drawing a deep convex hull over an arcuate convex hull in accordance with claim 1, wherein: the convex hull male die (18) is a step die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011506677.4A CN112605272B (en) | 2020-12-18 | Mould for deep convex hull on arc convex hull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011506677.4A CN112605272B (en) | 2020-12-18 | Mould for deep convex hull on arc convex hull |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112605272A CN112605272A (en) | 2021-04-06 |
| CN112605272B true CN112605272B (en) | 2024-06-21 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214161123U (en) * | 2020-12-18 | 2021-09-10 | 成都宏明双新科技股份有限公司 | Mould for drawing deep convex hull on arc convex hull |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214161123U (en) * | 2020-12-18 | 2021-09-10 | 成都宏明双新科技股份有限公司 | Mould for drawing deep convex hull on arc convex hull |
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