CN114523021A - Oil press - Google Patents
Oil press Download PDFInfo
- Publication number
- CN114523021A CN114523021A CN202210076589.8A CN202210076589A CN114523021A CN 114523021 A CN114523021 A CN 114523021A CN 202210076589 A CN202210076589 A CN 202210076589A CN 114523021 A CN114523021 A CN 114523021A
- Authority
- CN
- China
- Prior art keywords
- plate
- die
- sleeve
- shaft
- positioning sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 43
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- B21D37/14—Particular arrangements for handling and holding in place complete dies
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- 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
- B21D37/04—Movable or exchangeable mountings for tools
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0052—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for fluid driven presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/026—Mounting of dies, platens or press rams
Abstract
The invention provides an oil press, which relates to the technical field of extrusion forming, and comprises a bottom plate and a top plate; a guide post is arranged between the bottom plate and the top plate; the oil cylinder is fixed at the upper end of the bottom plate; the movable end of the oil cylinder is connected with the push plate; the push plate is connected with the guide post in a sliding way; the top of the push plate is provided with a rolling extrusion die assembly; the top plate is fixed with a connecting piece; a shaft sleeve is arranged in the connecting piece; a pressed shaft is sleeved in the shaft sleeve; the lower end of the pressed shaft extends out of the shaft sleeve; the roll extrusion die assembly is provided with a mounting hole; the upper end of the mounting hole is provided with an upper positioning sleeve; the lower end of the mounting hole is provided with a lower positioning sleeve; the lower positioning sleeve penetrates through the push plate; the upper positioning sleeve and the lower positioning sleeve are provided with corresponding positioning holes; an extrusion gap of the rolling extrusion die assembly is arranged between the upper positioning sleeve and the lower positioning sleeve. The oil press has high concentricity, convenient installation and exquisite structural design; the distance from the center of the extrusion roller to the center of the pressed shaft can be adjusted by adjusting the spacer, so that the processing precision is improved.
Description
Technical Field
The invention relates to the technical field of extrusion forming, in particular to an oil press.
Background
An oil press is a mechanical device which does work through an oil cylinder so as to complete certain mechanical action. Where extrusion is one of the important functions of an oil press.
In the production and processing process of the water pump, grooves are required to be processed on the side faces of a pump shaft frequently. The existing oil press has poor concentricity, is very inconvenient to disassemble and assemble and is inconvenient to adjust. Therefore, the present invention provides an oil press to solve the above technical problems.
Disclosure of Invention
The present invention is directed to a hydraulic press to solve the above-mentioned problems.
In order to achieve the above object, the present invention provides an oil press, including a bottom plate and a top plate; a guide post is arranged between the bottom plate and the top plate; the upper end of the bottom plate is fixed with an oil cylinder; the movable end of the oil cylinder is connected with the push plate; the push plate is connected with the guide post in a sliding way; the top of the push plate is provided with a rolling extrusion die assembly; the top plate is fixed with a connecting piece; a shaft sleeve is arranged in the connecting piece; a pressed shaft is sleeved in the shaft sleeve; the lower end of the pressed shaft extends out of the shaft sleeve; the roll extrusion die assembly is provided with a mounting hole; the upper end of the mounting hole is provided with an upper positioning sleeve; the lower end of the mounting hole is provided with a lower positioning sleeve; the lower positioning sleeve penetrates through the push plate; the upper positioning sleeve and the lower positioning sleeve are provided with corresponding positioning holes; an extrusion gap of the rolling extrusion die assembly is arranged between the upper positioning sleeve and the lower positioning sleeve; the pressed shaft passes through the positioning hole and completes pressing at the pressing gap.
Further, the roll extrusion die assembly comprises a die lower plate, a die middle plate and a die upper plate; a groove is formed in the lower plate of the pressing die; a plurality of fan-shaped supporting tables distributed in an annular array are arranged in the groove; a plurality of limiting holes communicated with the mounting holes are distributed on the pressing die middle plate in an annular array; the limiting hole consists of a radial hole and a chord direction hole; extrusion rollers are arranged in the radial holes; the extrusion roller is sleeved on the copper sleeve; the copper sleeve is sleeved on the roller shaft; the roller shaft is arranged in the chord-direction hole; the roller shafts are positioned on the two adjacent support tables; the die upper plate is provided with a plurality of openings corresponding to the extrusion rollers, and the plurality of openings are communicated with the mounting holes on the die upper plate; gaps corresponding to the extrusion rollers are arranged between the adjacent supporting platforms.
Preferably, two ends of the roller shaft extend out of the copper sleeve; one side of the two ends of the roller shaft close to the outer side wall of the chordwise hole is provided with a vertical tangent plane; an adjusting gasket is arranged between the tangent plane and the outer side wall of the chordwise hole.
Preferably, the die upper plate, the die middle plate and the die lower plate are fixed by screws.
Preferably, the die upper plate, the die middle plate and the die lower plate are provided with corresponding positioning pin holes; and a positioning pin is arranged in the positioning pin hole.
Preferably, the number of the oil cylinders is 2, and the number of the guide columns is 4.
Advantageous effects
The oil press can extrude a plurality of grooves on the pressed shaft; the pump shaft is used for processing and forming; the concentricity is high, the installation is convenient, and the structural design is exquisite; the distance from the center of the extrusion roller to the center of the pressed shaft can be adjusted by adjusting the spacer, so that the processing precision is improved.
Drawings
Fig. 1 is a schematic view of an overall structure of an oil press according to the present invention.
FIG. 2 is a cross-sectional view of a roll extrusion die assembly of the present invention.
FIG. 3 is a top view of the inventive roll extrusion die assembly with the die upper plate removed.
Fig. 4 is a schematic view of the structure of the lower plate of the stamper according to the present invention.
FIG. 5 is a schematic view showing the structure of a plate in a press mold according to the present invention.
FIG. 6 is a schematic view showing the structure of the upper plate of the stamper according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
In order to solve the problems in the prior art, embodiments of the present invention provide an oil press.
Examples
As shown in fig. 1 to 6, an oil press includes a bottom plate 1 and a top plate 2; a guide post 3 is arranged between the bottom plate 1 and the top plate 2; the upper end of the bottom plate 1 is fixed with an oil cylinder 4; the movable end of the oil cylinder 4 is connected with a push plate 5; the push plate 5 is connected with the guide post 3 in a sliding way; the top of the push plate 5 is provided with a rolling extrusion die assembly; the top plate 2 is fixed with a connecting piece 6; a shaft sleeve 7 is arranged in the connecting piece 6; a pressed shaft 8 is sleeved in the shaft sleeve 7; the lower end of the pressed shaft 8 extends out of the shaft sleeve 7; the roll extrusion die assembly is provided with a mounting hole; the upper end of the mounting hole is provided with an upper positioning sleeve 9; the lower end of the mounting hole is provided with a lower positioning sleeve 10; the lower positioning sleeve 10 penetrates through the push plate 5; the upper positioning sleeve 9 and the lower positioning sleeve 10 are provided with corresponding positioning holes; an extrusion gap of the rolling extrusion die assembly is arranged between the upper positioning sleeve 9 and the lower positioning sleeve 10; the pressed shaft 8 passes through the positioning hole and completes pressing at the pressing gap.
The roll extrusion die assembly comprises a die lower plate 11, a die middle plate 12 and a die upper plate 13; a groove is arranged inside the lower die plate 11; a plurality of fan-shaped supporting platforms 14 distributed in an annular array are arranged in the groove; a plurality of limiting holes 15 communicated with the mounting holes are distributed on the pressing die middle plate 12 in an annular array; the limiting hole 15 consists of a radial hole 15-1 and a chord-direction hole 15-2; an extrusion roller 16 is arranged in the radial hole 15-1; the extrusion roller 16 is sleeved on the copper sleeve 17; the copper sleeve 17 is sleeved on the roller shaft 18; the roller shaft 18 is arranged in the chord-direction hole 15-2; the roller shafts 18 are positioned on two adjacent support tables 14; a plurality of openings 19 corresponding to the extrusion rollers 16 are formed in the die upper plate 13, and the plurality of openings 19 are communicated with mounting holes in the die upper plate 13; gaps 20 corresponding to the squeeze rollers 16 are provided between the adjacent support tables 14.
Two ends of the roller shaft 18 extend out of the copper sleeve 17; one side of the two ends of the roller shaft 18 close to the outer side wall of the chordwise hole 15-2 is provided with a vertical tangent plane; an adjusting gasket 21 is arranged between the tangent plane and the outer side wall of the chord-direction hole 15-2. The spacer 21 may have a variety of dimensions, such as a thickness of 5.4mm, 5.5mm, and 5.6 mm; thereby finely adjusting the position of the roller shaft 18.
The die upper plate 13, the die middle plate 12, and the die lower plate 11 are fixed by screws 22.
Corresponding positioning pin holes are arranged on the die upper plate 13, the die middle plate 12 and the die lower plate 11; a positioning pin 23 is arranged in the positioning pin hole.
The hydro-cylinder is equipped with 2, and the guide post is equipped with 4.
The working principle of the oil press is as follows: the oil cylinder 4 pushes the push plate 5 to move upwards along the guide post 3; the rolling extrusion die assembly moves along with the push plate 5, the pressed shaft 8 enters the positioning hole of the upper positioning sleeve 9, is extruded by the extrusion roller 16 when passing through the extrusion gap, and a groove is extruded on the pressed shaft 8 for processing a pump shaft; the rolling extrusion die assembly adopts a form of combining three plates to limit and fix the extrusion roller 16, and the position of the extrusion roller 16 is adjusted by arranging the adjusting gasket 21, so that the processing precision can be improved.
Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations are within the scope and spirit of the present invention as set forth in the following claims. Moreover, the invention as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.
Claims (6)
1. An oil press, characterized in that the oil press comprises a bottom plate and a top plate; a guide post is arranged between the bottom plate and the top plate; the upper end of the bottom plate is fixed with an oil cylinder; the movable end of the oil cylinder is connected with the push plate; the push plate is connected with the guide post in a sliding way; the top of the push plate is provided with a rolling extrusion die assembly; the top plate is fixed with a connecting piece; a shaft sleeve is arranged in the connecting piece; a pressed shaft is sleeved in the shaft sleeve; the lower end of the pressed shaft extends out of the shaft sleeve; the roll extrusion die assembly is provided with a mounting hole; the upper end of the mounting hole is provided with an upper positioning sleeve; the lower end of the mounting hole is provided with a lower positioning sleeve; the lower positioning sleeve penetrates through the push plate; the upper positioning sleeve and the lower positioning sleeve are provided with corresponding positioning holes; an extrusion gap of the rolling extrusion die assembly is arranged between the upper positioning sleeve and the lower positioning sleeve; the pressed shaft passes through the positioning hole and completes pressing at the pressing gap.
2. The oil press of claim 1, wherein the roll extrusion die assembly comprises a die lower plate, a die middle plate, and a die upper plate; a groove is formed in the lower plate of the pressing die; a plurality of fan-shaped supporting tables distributed in an annular array are arranged in the groove; a plurality of limiting holes communicated with the mounting holes are distributed on the pressing die middle plate in an annular array; the limiting hole consists of a radial hole and a chord direction hole; extrusion rollers are arranged in the radial holes; the extrusion roller is sleeved on the copper sleeve; the copper sleeve is sleeved on the roller shaft; the roller shaft is arranged in the chord-direction hole; the roller shafts are positioned on the two adjacent support tables; the die upper plate is provided with a plurality of openings corresponding to the extrusion rollers, and the plurality of openings are communicated with the mounting holes on the die upper plate; gaps corresponding to the extrusion rollers are arranged between the adjacent supporting platforms.
3. The oil press of claim 2, wherein the roller shaft has two ends extending from the copper sleeve; one side of the two ends of the roller shaft close to the outer side wall of the chordwise hole is provided with a vertical tangent plane; an adjusting gasket is arranged between the tangent plane and the outer side wall of the chordwise hole.
4. The oil press of claim 3, wherein the die upper plate, the die middle plate and the die lower plate are fixed by screws.
5. The oil press as claimed in claim 4, wherein the die upper plate, the die middle plate and the die lower plate are provided with corresponding positioning pin holes; and a positioning pin is arranged in the positioning pin hole.
6. The oil press as claimed in claim 5, wherein there are 2 cylinders and 4 guide posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210076589.8A CN114523021A (en) | 2022-01-24 | 2022-01-24 | Oil press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210076589.8A CN114523021A (en) | 2022-01-24 | 2022-01-24 | Oil press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114523021A true CN114523021A (en) | 2022-05-24 |
Family
ID=81620792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210076589.8A Pending CN114523021A (en) | 2022-01-24 | 2022-01-24 | Oil press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114523021A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478617A (en) * | 2003-07-29 | 2004-03-03 | 杭州南方特种泵厂 | Water pump spline shaft extrusion shaping mould and shaping method |
| CN101386213A (en) * | 2008-11-06 | 2009-03-18 | 杜广安 | Machine for forming biological substance fuel |
| JP2010054027A (en) * | 2008-08-29 | 2010-03-11 | Toyota Motor Corp | Spline shaft and method of manufacturing the same |
| CN105057380A (en) * | 2015-08-03 | 2015-11-18 | 常熟市金华机械股份有限公司 | Cold-extrusion mold for asymmetrical spline shaft |
| CN107952810A (en) * | 2017-12-08 | 2018-04-24 | 中国航天科技集团公司长征机械厂 | Male splined shaft cold extrusion Accurate Shaping device and manufacturing process |
| CN207806215U (en) * | 2017-12-14 | 2018-09-04 | 上海中航泵业股份有限公司 | A kind of axis extrusion tooling |
| CN109877177A (en) * | 2019-03-14 | 2019-06-14 | 西安交通大学 | A kind of splined shaft squeezes composable mold and spline production method of shaft |
| CN211360214U (en) * | 2019-11-12 | 2020-08-28 | 成都凯泽科技有限公司 | On-shaft rib extruding tool for specific rotor shaft |
-
2022
- 2022-01-24 CN CN202210076589.8A patent/CN114523021A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478617A (en) * | 2003-07-29 | 2004-03-03 | 杭州南方特种泵厂 | Water pump spline shaft extrusion shaping mould and shaping method |
| JP2010054027A (en) * | 2008-08-29 | 2010-03-11 | Toyota Motor Corp | Spline shaft and method of manufacturing the same |
| CN101386213A (en) * | 2008-11-06 | 2009-03-18 | 杜广安 | Machine for forming biological substance fuel |
| CN105057380A (en) * | 2015-08-03 | 2015-11-18 | 常熟市金华机械股份有限公司 | Cold-extrusion mold for asymmetrical spline shaft |
| CN107952810A (en) * | 2017-12-08 | 2018-04-24 | 中国航天科技集团公司长征机械厂 | Male splined shaft cold extrusion Accurate Shaping device and manufacturing process |
| CN207806215U (en) * | 2017-12-14 | 2018-09-04 | 上海中航泵业股份有限公司 | A kind of axis extrusion tooling |
| CN109877177A (en) * | 2019-03-14 | 2019-06-14 | 西安交通大学 | A kind of splined shaft squeezes composable mold and spline production method of shaft |
| CN211360214U (en) * | 2019-11-12 | 2020-08-28 | 成都凯泽科技有限公司 | On-shaft rib extruding tool for specific rotor shaft |
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