CN110935787A - Water pump cavity thin-wall arc surface square hole punching die - Google Patents
Water pump cavity thin-wall arc surface square hole punching die Download PDFInfo
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- CN110935787A CN110935787A CN201911343330.XA CN201911343330A CN110935787A CN 110935787 A CN110935787 A CN 110935787A CN 201911343330 A CN201911343330 A CN 201911343330A CN 110935787 A CN110935787 A CN 110935787A
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- plate
- die
- water pump
- limiting block
- pump 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a water pump cavity thin-wall arc surface square hole punching die which comprises an upper die and a lower die and is characterized in that the upper die is provided with an upper die plate, a fixing plate, a stripper plate, a punch, an equal-height column, a guide column and an elastic piece, the fixing plate is fixedly arranged below the upper die plate, the punch is arranged below the fixing plate, the stripper plate is arranged below the fixing plate through the equal-height column, the elastic piece is arranged between the fixing plate and the stripper plate, the upper part of the guide column is embedded on the upper die plate and the fixing plate, the lower die is provided with a lower die plate, a longitudinal support plate, an inclined support plate, an upper limiting block and a lower limiting block, the upper limiting block is arranged on the upper part of the front side surface of the longitudinal support plate, and the lower limiting block is arranged on the lower. The water pump cavity punching die is simple in structure, the inner side surface and the outer side surface of the water pump cavity can be fixed at the same time, punching is carried out after accurate positioning, deformation and damage of the thin-wall cambered surface of the water pump cavity are avoided, and the product percent of pass is improved.
Description
Technical Field
The invention relates to the field of water pump cavity arc surface square hole punching die devices, and particularly belongs to a water pump cavity thin-wall arc surface square hole punching die.
Background
With the increasing number of high-rise buildings, the demand of water pumps of water supply equipment matched with the high-rise buildings is continuously increased. Need carry out the processing of towards the quad slit process to the water pump cavity when water pump manufacturing to ensure that the water pump cavity reaches water pump operation requirement. When the existing common punching die punches a hole in the cambered surface area of the water pump cavity, the water pump cavity cannot be accurately positioned, the water pump cavity is usually machined and manufactured by using a thin-wall material, and when the water pump cavity is punched, the water pump cavity is easy to deform, so that the water pump cavity is seriously damaged and scrapped. Therefore, the invention provides a water pump cavity thin-wall arc surface square hole punching die.
Disclosure of Invention
The invention provides a water pump cavity thin-wall arc surface square hole punching die which can solve the problems mentioned in the technical background by integrally researching and designing an upper die, a lower die, an upper die plate, a fixing plate, a stripper plate, a punch, an equal-height column, a guide pillar, an elastic piece, a lower die plate, a longitudinal support plate, an inclined support plate, an upper limiting block and a lower limiting block in the upper die. Meanwhile, the invention has simple structure, can fix the inner side surface and the outer side surface of the water pump cavity simultaneously, punches a hole after accurate positioning, avoids deformation and damage of the thin-wall cambered surface of the water pump cavity and improves the product percent of pass.
In order to meet the requirements, the technical scheme adopted by the invention is as follows:
a die for punching square holes on thin-wall arc surfaces of water pump cavities comprises an upper die and a lower die, and is characterized in that the upper die is provided with an upper die plate, a fixing plate, a stripper plate, punches, equal-height columns, guide pillars and elastic pieces, the fixing plate is fixedly arranged below the upper die plate, the punches are arranged below the fixing plate, the stripper plate is arranged below the fixing plate through the equal-height columns, the elastic pieces are arranged between the fixing plate and the stripper plate, the upper parts of the guide pillars are embedded in the upper die plate and the fixing plate, the lower parts of the guide pillars penetrate through the stripper plate and are positioned below the stripper plate, through holes are formed in the upper die plate and the fixing plate, punch guide holes, mounting holes and through holes are formed in the stripper plate, the lower parts of the punches are inserted in the punch guide holes in the stripper plate, four equal-height columns are embedded in the mounting holes in, the upper parts of the two guide posts are embedded in through holes on the upper template and the fixed plate, the two guide posts penetrate through holes on the stripper plate and are inserted in two guide holes on the top surface of a longitudinal support plate in the lower die, the top surfaces of the four elastic pieces are tightly contacted with the bottom surface of the fixed plate, the bottom surfaces of the four elastic pieces are tightly connected with the top surface of the stripper plate, the lower die is provided with a lower template, a longitudinal support plate, an inclined support plate, an upper limiting block and a lower limiting block, the top surface of the longitudinal support plate is provided with two guide holes, the longitudinal support plate is vertically arranged on the top surface of the lower template, one side surface of the inclined support plate is connected with the rear side surface of the longitudinal support plate, the other side surface of the inclined support plate is connected with the top surface of the lower template, the upper limiting block is arranged on the upper side surface of the longitudinal support plate, the top surface of, the lower arc surface is provided with a punch hole.
Preferably, the bottom surface of the stripper plate is a stepped surface, the level of the front stepped surface is lower than that of the rear stepped surface, the punch guide hole is located in the middle area of the front stepped surface, and the outer area of the punch guide hole of the front stepped surface is provided with a limiting arc-shaped surface.
Preferably, the radius of the upper arc-shaped surface of the upper limiting block on the lower die is equal to the radius of the lower arc-shaped surface of the lower limiting block, the radius of the upper arc-shaped surface of the upper limiting block and the radius of the lower arc-shaped surface of the lower limiting block are determined by the radius of the inner side surface of the water pump cavity, the distance from the upper arc-shaped surface of the upper limiting block to the lower arc-shaped surface of the lower limiting block is determined by the inner diameter of the water pump cavity, and the radius of the upper limiting arc-shaped surface of the stepped surface on the front side of the stripper plate.
Preferably, the horizontal cross section of the punch in the upper die is square, and four corners of the punch are round chamfers.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the die for punching the square hole on the thin-wall arc surface of the water pump cavity is manufactured by integrally researching and designing the upper die, the lower die, the middle die plate, the longitudinal support plate, the inclined support plate, the upper limiting block and the lower limiting block of the upper die, the upper die plate, the fixing plate, the stripper plate, the punch, the equal-height column, the guide pillar and the elastic piece of the upper die, and the middle die plate, the lower die plate, the longitudinal support. The problem that when a common punching die punches a hole in the cambered surface area of the water pump cavity, the water pump cavity cannot be accurately positioned is solved, the water pump cavity is usually made of thin-wall materials, and when the water pump cavity is punched, the water pump cavity is easy to deform, so that the water pump cavity is seriously damaged and scrapped.
The water pump cavity punching die is simple in structure, the inner side surface and the outer side surface of the water pump cavity can be fixed at the same time, punching is carried out after accurate positioning, deformation and damage of the thin-wall cambered surface of the water pump cavity are avoided, and the product percent of pass is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an upper mold according to the present invention;
FIG. 3 is a schematic view of the entire lower mold of the present invention;
FIG. 4 is a schematic view of a finished water pump cavity processed by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to examples and specific embodiments.
Referring to the drawings: a water pump cavity thin-wall arc surface square hole punching die comprises an upper die 1 and a lower die 2 and is characterized in that the upper die 1 is provided with an upper die plate 101, a fixing plate 102, a stripper plate 103, a punch 107, an equal-height column 105, a guide post 104 and an elastic piece 106, the fixing plate 102 is fixedly arranged below the upper die plate 101, the punch 107 is arranged below the fixing plate 102, the stripper plate 103 is arranged below the fixing plate 102 through the equal-height column 105, the elastic piece 106 is arranged between the fixing plate 102 and the stripper plate 103, the upper part of the guide post 104 is embedded on the upper die plate 101 and the fixing plate 102, the lower part of the guide post 104 penetrates through the stripper plate 103 and is positioned below the stripper plate 103, the upper die plate 101 and the fixing plate 102 are provided with through holes, the stripper plate 103 is provided with a punch guide hole 1033, a mounting hole and a through hole, the lower part of the punch 107 is inserted into the punch guide hole 1033 on the stripper plate 103, the upper parts of four equal-height columns 105 are embedded in through holes on an upper template 101 and a fixing plate 102, the number of the guide columns 104 is two, the upper parts of the two guide columns 104 are embedded in the through holes on the upper template 101 and the fixing plate 102, the two guide columns 104 penetrate through holes on a stripper plate 103 and are inserted in two guide holes 2021 on the top surface of a longitudinal support plate 202 in a lower die 2, the number of the elastic pieces 106 is four, the top surfaces of the four elastic pieces 106 are tightly contacted with the bottom surface of the fixing plate 102, the bottom surfaces of the four elastic pieces 106 are tightly connected with the top surface of the stripper plate 103, the lower die 2 is provided with a lower template 201, a longitudinal support plate 202, an inclined support plate 203, an upper limit block 204 and a lower limit block 205, the top surface of the longitudinal support plate 202 is provided with two guide holes 2021, the longitudinal support plate 202 is vertically arranged on the top surface of the lower template 201, one side, the top surface of the upper limiting block 204 is an upper arc-shaped surface 2041, the upper arc-shaped surface 2041 is provided with a punch hole 2042, the lower limiting block 205 is arranged at the lower part of the front side surface of the longitudinal support plate 202, the bottom surface of the lower limiting block 205 is a lower arc-shaped surface 2051, and the lower arc-shaped surface 2051 is provided with the punch hole 2042.
Preferably, the bottom surface of the stripper plate 103 is a stepped surface, the level of the front stepped surface 1031 is lower than that of the rear stepped surface 1032, the punch guide hole 1033 is located in the middle area of the front stepped surface 1031, and the outer area of the front stepped surface 1031 and the punch guide hole 1033 is provided with a limiting arc surface 1034.
Preferably, the radius of the upper arc-shaped surface 2041 in the upper limiting block 204 of the lower die 2 is equal to the radius of the lower arc-shaped surface 2051 in the lower limiting block 205, the radii of the upper arc-shaped surface 2041 in the upper limiting block 204 and the lower arc-shaped surface 2051 in the lower limiting block 205 are determined by the radius of the inner side surface of the water pump cavity 3, the distance from the upper arc-shaped surface 2041 in the upper limiting block 204 to the lower arc-shaped surface 2051 in the lower limiting block 205 is determined by the inner diameter of the water pump cavity 3, and the radius of the upper limiting arc-shaped surface 1034 of the stepped surface 1031 on the front side of the stripper plate 103 is determined.
Preferably, the horizontal cross section of the punch 107 in the upper die 1 is square, and four corners of the punch 107 are round chamfers.
When the installation and the manufacture are carried out: the upper die 1 is characterized in that a fixing plate 102 is fixedly installed below an upper die plate 101, a punch 107 is installed below the fixing plate 102, the lower parts of four equal-height pillars 105 are embedded in mounting holes in a stripper plate 103, the upper parts of the four equal-height pillars 105 are embedded in through holes in the upper die plate 101 and the fixing plate 102, the stripper plate 103 is ensured to be positioned below the fixing plate 102, the lower part of the punch 107 is positioned in a punch guide hole 1033 of the stripper plate 103, the upper parts of two guide posts 104 are embedded in the through holes in the upper die plate 101 and the fixing plate 102, the lower parts of the guide posts 102 penetrate through the stripper plate 103 and are positioned below the stripper plate 103, four elastic pieces 106 are installed between the fixing plate 102 and the stripper plate 103, the top surfaces of the four elastic pieces 106 are; a longitudinal support plate 202 in a lower die 2 is vertically arranged on the top surface of a lower die plate 201, one side surface of an inclined support plate 203 is connected with the rear side surface of the longitudinal support plate 202, the other side surface of the inclined support plate 203 is connected with the top surface of the lower die plate 201, an upper limiting block 204 is arranged on the upper portion of the front side surface of the longitudinal support plate 202, a lower limiting block 205 is arranged on the lower portion of the front side surface of the longitudinal support plate 202, and the distance between an upper arc surface 2041 in the upper limiting block 204 and the distance between a lower arc surface in the lower limiting. A die for punching a square hole on a thin-wall arc surface of a water pump cavity is mounted and manufactured.
When in use: the top surface of an upper template 101 in an upper die 1 is firmly connected with a stamping device, and the bottom surface of a lower template 201 in a lower die 2 is firmly arranged on the stamping device right below the upper template 101, so that the longitudinal center line of a guide pillar 104 in the upper die 1 is ensured to be mutually overlapped with the longitudinal center line of a guide hole 2021 on the top surface of a longitudinal support plate 202 of the lower die 2; sleeving a water pump cavity 3 to be punched outside an upper limiting block 204 and a lower limiting block 205 in a lower die 2; starting stamping equipment, wherein the stamping equipment drives an upper die 1 to integrally vertically move downwards, a guide post 104 in the upper die 1 is inserted into a guide hole 2021 in the top surface of a longitudinal support plate 202 of a lower die 2, a material return plate 103 in the upper die 1 is in close contact with a rear side stepped surface 1032 in the bottom surface of the lower die 2 and the top surface of the longitudinal support plate 202 of the lower die 2, the stamping equipment drives the upper die 1 to continuously move downwards, an upper die plate 101 and a fixing plate 102 move downwards along an equal-height column 105 and the guide post 104 to push a punch 107 to press downwards, an elastic piece 106 contracts simultaneously, after the punch 107 finishes punching a hole on a water pump cavity 3 to be punched, the stamping equipment drives the upper die 1 to integrally vertically move upwards and backwards, and the upper die plate 101 and the fixing; and (3) after the punched water pump cavity 3 rotates 180 degrees outside the upper limit block 204 and the lower limit block 205 in the lower die 2, punching again according to the steps, after the punching is completed again, the punching equipment drives the upper die 1 to move back and reset, the punched water pump cavity 3 is taken down, and one processing cycle is completed.
The invention solves the problems that when a common punching die punches a cambered surface area of the water pump cavity 3, the water pump cavity 3 cannot be accurately positioned, the water pump cavity 3 is usually processed by a thin-wall material, and when the water pump cavity 3 is punched, the water pump cavity is easily deformed by 3, so that the water pump cavity 3 is seriously damaged and scrapped. Meanwhile, the invention has simple structure, can fix the inner side surface and the outer side surface of the water pump cavity 3 at the same time, punches a hole after accurate positioning, avoids the deformation and damage of the thin-wall cambered surface of the water pump cavity 3, and improves the product percent of pass
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (4)
1. A die for punching square holes on thin-wall arc surfaces of water pump cavities comprises an upper die and a lower die, and is characterized in that the upper die is provided with an upper die plate, a fixing plate, a stripper plate, punches, equal-height columns, guide pillars and elastic pieces, the fixing plate is fixedly arranged below the upper die plate, the punches are arranged below the fixing plate, the stripper plate is arranged below the fixing plate through the equal-height columns, the elastic pieces are arranged between the fixing plate and the stripper plate, the upper parts of the guide pillars are embedded in the upper die plate and the fixing plate, the lower parts of the guide pillars penetrate through the stripper plate and are positioned below the stripper plate, through holes are formed in the upper die plate and the fixing plate, punch guide holes, mounting holes and through holes are formed in the stripper plate, the lower parts of the punches are inserted in the punch guide holes in the stripper plate, four equal-height columns are embedded in the mounting holes in, the upper parts of the two guide posts are embedded in through holes on the upper template and the fixed plate, the two guide posts penetrate through holes on the stripper plate and are inserted in two guide holes on the top surface of a longitudinal support plate in the lower die, the top surfaces of the four elastic pieces are tightly contacted with the bottom surface of the fixed plate, the bottom surfaces of the four elastic pieces are tightly connected with the top surface of the stripper plate, the lower die is provided with a lower template, a longitudinal support plate, an inclined support plate, an upper limiting block and a lower limiting block, the top surface of the longitudinal support plate is provided with two guide holes, the longitudinal support plate is vertically arranged on the top surface of the lower template, one side surface of the inclined support plate is connected with the rear side surface of the longitudinal support plate, the other side surface of the inclined support plate is connected with the top surface of the lower template, the upper limiting block is arranged on the upper side surface of the longitudinal support plate, the top surface of, the lower arc surface is provided with a punch hole.
2. The water pump cavity thin-wall arc surface square hole punching die according to claim 1, wherein the bottom surface of the stripper plate is a stepped surface, the level of the front stepped surface is lower than that of the rear stepped surface, the punch guide hole is located in the middle area of the front stepped surface, and a limiting arc surface is arranged in the outer area of the punch guide hole of the front stepped surface.
3. The die for punching the square hole on the thin-wall arc surface of the water pump cavity according to claim 1, wherein the radius of the upper arc surface in the upper limiting block of the lower die is equal to the radius of the lower arc surface in the lower limiting block, the radii of the upper arc surface in the upper limiting block and the lower arc surface in the lower limiting block are determined by the radius of the inner side surface of the water pump cavity, the distance from the upper arc surface in the upper limiting block to the lower arc surface in the lower limiting block is determined by the inner diameter of the water pump cavity, and the radius of the upper limiting arc surface on the stepped surface on the front side of the stripper plate is determined by the radius of the outer side surface of the water.
4. The water pump cavity thin-wall arc surface square hole punching die as claimed in claim 1, wherein the horizontal cross section of the punch in the upper die is square, and four corners of the punch are round chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911343330.XA CN110935787A (en) | 2019-12-24 | 2019-12-24 | Water pump cavity thin-wall arc surface square hole punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911343330.XA CN110935787A (en) | 2019-12-24 | 2019-12-24 | Water pump cavity thin-wall arc surface square hole punching die |
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| Publication Number | Publication Date |
|---|---|
| CN110935787A true CN110935787A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911343330.XA Pending CN110935787A (en) | 2019-12-24 | 2019-12-24 | Water pump cavity thin-wall arc surface square hole punching die |
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| CN (1) | CN110935787A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845805A (en) * | 2021-01-08 | 2021-05-28 | 汇昊工业制造（大连）有限公司 | Method for processing through hole on arc-shaped surface of workpiece |
-
2019
- 2019-12-24 CN CN201911343330.XA patent/CN110935787A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845805A (en) * | 2021-01-08 | 2021-05-28 | 汇昊工业制造（大连）有限公司 | Method for processing through hole on arc-shaped surface of workpiece |
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