CN202447520U - Cold press molding device for rim body - Google Patents
Cold press molding device for rim body Download PDFInfo
- Publication number
- CN202447520U CN202447520U CN2012200548243U CN201220054824U CN202447520U CN 202447520 U CN202447520 U CN 202447520U CN 2012200548243 U CN2012200548243 U CN 2012200548243U CN 201220054824 U CN201220054824 U CN 201220054824U CN 202447520 U CN202447520 U CN 202447520U
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- Prior art keywords
- die
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- rim body
- wheel rim
- internal mold
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- 238000000465 moulding Methods 0.000 title abstract 3
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 235000010599 Verbascum thapsus Nutrition 0.000 description 1
- 244000178289 Verbascum thapsus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model discloses a cold press molding device for a rim body. The device comprises an upper template, an upper die, a lower template and a lower die. The upper die comprises an outer die and an inner die. A bulging cone is arranged in a central cavity of the upper die. The inner die comprises an upper inner die and a lower inner die. The upper inner die is fixedly arranged on the lower surface of the upper template. The outer die is sleeved on the outer circumferential surface of the upper inner die. The upper surface of the lower inner die is pressed against the lower surface of the upper inner die. The lower die is arranged on the upper surface of the lower template. The center of the lower die is a cavity, and a bottom plate is arranged at the bottom of the cavity. The lower surface of the bottom plate is pressed against the upper surface of the lower template. The cold press molding device for the rim body has the advantages of simplifying a machining process for the rim body, lowering the production cost, improving the machining efficiency, and the like.
Description
Technical field
The utility model relates to a kind of wheel rim body cold moudling device.
Background technology
The various wheel rim body of producing during engineering is made, its diameter, length, thickness are all inequality.All there is certain diameter difference in the wheel rim body two ends, and the tapered often composite construction with minor diameter of small end is held the composite construction that becomes to be big taper and basin type greatly.General this type of workpiece of manufacturer production all adds the hot roll forming of thermal recovery to workpiece, and processing dimension error and form and position tolerance error are all bigger, needs to increase by one trimming and could guarantee the size composite demand.And in the roll extrusion process, often produce cracking in the commissure of workpiece.Traditional hot pressing processing technology is: first cylinder blank one end at first is pressed into the basin type, with the workpiece heating, in roller press, carries out hot roll extrusion then then.The workpiece that adopts roll extrusion to form, its scale error and cylindricity equal error are all bigger, and needing increases trimming, and the workpiece commissure often produces cracking after the roll extrusion.
The utility model content
The utility model is the weak point that exists in the above-mentioned prior art for avoiding, and a kind of wheel rim body cold moudling device is provided, with simplified processing process, improve working (machining) efficiency and cut down finished cost.
The utility model adopts following technical scheme for the technical solution problem.
Wheel rim body cold moudling device, its design feature are to comprise cope match-plate pattern, mold, lower bolster and bed die; Said mold comprises external mold and internal mold, is provided with the bulging cone in the center cavity of said mold; Said internal mold comprises internal mold and core insert; The said internal mold of going up is anchored on the lower surface of said cope match-plate pattern, and said outer die casing is located at said going up on the internal molds face; The upper surface of said core insert and the said lower surface of going up internal mold connect; Said bed die is located on the upper surface of said lower bolster; The center of bed die is a cavity, and the bottom of said cavity is provided with base plate, and the lower surface of said base plate and the upper surface of said lower bolster connect.
The design feature of the wheel rim body cold moudling device of the utility model also is:
The said internal mold of going up is anchored on through screw on the lower surface of said cope match-plate pattern, and said bed die is anchored on the said lower bolster through screw.
Fixedly install jug on the outer peripheral face of said cope match-plate pattern.
Said bulging cone bottom is provided with fixed head, and said fixed head is fixed on the lower surface of said bulging cone through screw.
Compared with present technology, the utility model beneficial effect is embodied in:
The wheel rim body cold moudling device of the utility model, its processing technology is compared with the past traditional production process, and pressure shape, the workpiece that has saved big end basin shape heats, the multiple working procedures such as shaping of workpiece; Save labour and working time, reduced processing mold, reduced production cost; Improved working (machining) efficiency; Workpiece size is accurate, and finished surface is bright and clean, has improved product quality.
The wheel rim body cold moudling device of the utility model has the processing technology that can simplify wheel rim body, reduces production costs, improved advantages such as working (machining) efficiency.
Description of drawings
Structural representation when Fig. 1 is the wheel rim pressing body small end of wheel rim body cold moudling device of the utility model.
Structural representation when Fig. 2 is the big end of the wheel rim pressing body of wheel rim body cold moudling device of the utility model.
Fig. 3 is the wheel rim body that the wheel rim body cold moudling device processing of the utility model obtains.
Label among Fig. 1～Fig. 3: 1 cope match-plate pattern, 2 molds, 3 lower bolsters, 4 bed dies, 5 external molds, 6 bulging cones, internal mold on 7,8 core inserts, 9 base plates, 10 screws, 11 handles, 12 fixed heads, 13 steel plates, 14 cylindrical shape blanks.
Below pass through the specific embodiment, and combine accompanying drawing that the utility model is described further.
The specific embodiment
Referring to Fig. 1～Fig. 2, wheel rim body cold moudling device comprises cope match-plate pattern 1, mold 2, lower bolster 3 and bed die 4; Said mold 2 comprises external mold 5 and internal mold, is provided with bulging cone 6 in the center cavity of said mold 2; Said internal mold comprises internal mold 7 and core insert 8; The said internal mold 7 of going up is anchored on the lower surface of said cope match-plate pattern 1, and said external mold 5 is sheathed on the outer peripheral face of said upward internal mold 7; The upper surface of said core insert 8 and the said lower surface of going up internal mold 7 connect; Said bed die 4 is located on the upper surface of said lower bolster 3; The center of bed die 4 is a cavity, and the bottom of said cavity is provided with base plate 9, and the upper surface of the lower surface of said base plate 9 and said lower bolster 3 connects.The wheel rim body cold moudling device of the utility model, its processing technology comprise that following two step: a. put into cylindrical shape blank 14 cavity of bed die earlier, put the steel plate 13 of a Φ 360x20 (expecting thick) in cylindrical shape blank 14 upper ends; Then mold is pressed down, the core insert of mold compresses steel plate 13, and steel plate 13 compresses cylindrical shape blank 14; The small cylinder structure of the lower end undergauge of cylindrical shape blank 14 is tapered through the steel plate 13 of Φ 360x20 and taper; Promote mold then, shed Φ 360x20 steel plate 13, workpiece is still stayed in the cavity of bed die; B. press down mold once more,, bulging is carried out in the upper end of tight cylindrical shape blank, accomplished the compacting of big end toper of wheel rim body and basin shape by the upper end that the external mold and the last internal mold of mold compresses cylindrical shape blank 14.
The wheel rim body cold moudling device of the utility model, its processing technology is compared with the past traditional production process, and pressure shape, the workpiece that has saved big end basin shape heats, the multiple working procedures such as shaping of workpiece; Save labour and working time, reduced processing mold, reduced production cost; Improved working (machining) efficiency; Workpiece size is accurate, and finished surface is bright and clean, has improved product quality.
The said internal mold 7 of going up is anchored on through screw 10 on the lower surface of said cope match-plate pattern 1, and said bed die 4 is anchored on the said lower bolster 3 through screw 10.The employing screw is fastening, and convenient disassembly is convenient to the replacing and the maintenance maintenance of each module of mould.
Fixedly install jug 11 on the outer peripheral face of said cope match-plate pattern 1.Through handle, be convenient to the staff and by hand mold operated, improve the operability of the utility model.
Said bulging cone 6 bottoms are provided with fixed head 12, and said fixed head 12 is fixed on the lower surface of said bulging cone 6 through screw 10.Through fixed head is set, the periphery of fixed head can be blocked core insert, can avoid core insert to come off, and has improved the functional reliability of mould.
The wheel rim body cold moudling device of the utility model has following characteristics:
1, adopts one pair of cold stamping die, make the small diameter cylinders body that wheel rim body small end undergauge is tapered and link to each other with diameter.The tapered bathtub construction with head of the big end of workpiece position hole enlargement.
2, the whole machining process process all adopts the hot rolling technology of colding pressing with traditional to compare, and has saved heating process.
3, the processing work dimensionally stable is compared with traditional hot rolling technology, has saved trimming.
Through above-mentioned description, the related personnel can change and revise under the condition of the mentality of designing of the utility model and technical indicator appointment.The technical scope of the utility model is not limited to the content on the specification, must confirm technical scope according to the claim scope.
Claims (4)
1. wheel rim body cold moudling device is characterized in that, comprises cope match-plate pattern (1), mold (2), lower bolster (3) and bed die (4); Said mold (2) comprises external mold (5) and internal mold, is provided with bulging cone (6) in the center cavity of said mold (2); Said internal mold comprises internal mold (7) and core insert (8); The said internal mold (7) of going up is anchored on the lower surface of said cope match-plate pattern (1), and said external mold (5) is sheathed on the outer peripheral face of said upward internal mold (7); The upper surface of said core insert (8) and the said lower surface of going up internal mold (7) connect; Said bed die (4) is located on the upper surface of said lower bolster (3); The center of bed die (4) is a cavity, and the bottom of said cavity is provided with base plate (9), and the upper surface of the lower surface of said base plate (9) and said lower bolster (3) connects.
2. wheel rim body cold moudling device according to claim 1 is characterized in that, the said internal mold (7) of going up is anchored on the lower surface of said cope match-plate pattern (1) through screw (10), and said bed die (4) is anchored on the said lower bolster (3) through screw (10).
3. wheel rim body cold moudling device according to claim 1 is characterized in that, fixedly installs jug (11) on the outer peripheral face of said cope match-plate pattern (1).
4. wheel rim body cold moudling device according to claim 1 is characterized in that, said bulging cone (6) bottom is provided with fixed head (12), and said fixed head (12) is fixed on the lower surface of said bulging cone (6) through screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200548243U CN202447520U (en) | 2012-02-17 | 2012-02-17 | Cold press molding device for rim body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200548243U CN202447520U (en) | 2012-02-17 | 2012-02-17 | Cold press molding device for rim body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202447520U true CN202447520U (en) | 2012-09-26 |
Family
ID=46863415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200548243U Expired - Fee Related CN202447520U (en) | 2012-02-17 | 2012-02-17 | Cold press molding device for rim body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202447520U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289623A (en) * | 2013-07-16 | 2015-01-21 | 杭州润德车轮制造有限公司 | Cold contraction and expansion forming method for rim base |
| CN105328038A (en) * | 2015-11-26 | 2016-02-17 | 沈阳黎明航空发动机(集团)有限责任公司 | Expansion mould and using method thereof |
| CN105328020A (en) * | 2014-08-13 | 2016-02-17 | 常州兰翔机械有限责任公司 | Stamping tool for front ring in flame tube and working method of stamping tool |
| CN108687494A (en) * | 2018-05-08 | 2018-10-23 | 青岛北海车轮有限公司 | A kind of die mould manufacturing process of wheel rim |
-
2012
- 2012-02-17 CN CN2012200548243U patent/CN202447520U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289623A (en) * | 2013-07-16 | 2015-01-21 | 杭州润德车轮制造有限公司 | Cold contraction and expansion forming method for rim base |
| CN105328020A (en) * | 2014-08-13 | 2016-02-17 | 常州兰翔机械有限责任公司 | Stamping tool for front ring in flame tube and working method of stamping tool |
| CN105328038A (en) * | 2015-11-26 | 2016-02-17 | 沈阳黎明航空发动机(集团)有限责任公司 | Expansion mould and using method thereof |
| CN108687494A (en) * | 2018-05-08 | 2018-10-23 | 青岛北海车轮有限公司 | A kind of die mould manufacturing process of wheel rim |
| CN108687494B (en) * | 2018-05-08 | 2021-04-02 | 青岛北海车轮有限公司 | Profiling manufacturing process of rim |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20150217 |
|
| EXPY | Termination of patent right or utility model |