CN202639139U - Attenuation and extension reforming device of cylindrical products - Google Patents
Attenuation and extension reforming device of cylindrical products Download PDFInfo
- Publication number
- CN202639139U CN202639139U CN 201220354448 CN201220354448U CN202639139U CN 202639139 U CN202639139 U CN 202639139U CN 201220354448 CN201220354448 CN 201220354448 CN 201220354448 U CN201220354448 U CN 201220354448U CN 202639139 U CN202639139 U CN 202639139U
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- attenuation
- reforming
- extension
- die
- stretching
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Abstract
The utility model discloses an attenuation and extension reforming device of cylindrical products. The attenuation and extension reforming device of the cylindrical products comprises a die holder placed on a press machine base plate. The die holder is divided into a hollow upper cavity and a hollow lower cavity by a separation plate in the middle, wherein the upper cavity and the lower cavity are communicated mutually. An attenuation and extension component is arranged inside the upper cavity, and a reforming component is arranged inside the lower cavity. The reforming component comprises a shape-adjusting concave die fixedly connected with the press machine base plate and an ejecting head placed inside the shape-adjusting concave die, and the lower portion of the ejecting head extends out from the shape-adjusting concave die and is connected with a pushing component. By adopting the attenuation and extension reforming device of the cylindrical products, the reforming component is arranged inside the lower cavity, the cylindrical products after attenuation and extension finish bottom reforming directly inside the reforming component and do not need to be shifted into a sequential reforming procedure, and therefore a manufacturing cycle is shortened, structure of the shape-adjusting concave die is simple, and production cost and labor intensity of operators can be reduced greatly.
Description
Technical field
The utility model relates to a kind of apparatus for shaping of field of machining, especially a kind of apparatus for shaping of stretching of attenuation product, specifically a kind of die reshaping device of stretching of attenuation cylindrical shell.
Background technology
Stretching of attenuation is a kind of by changing the half-finished wall thickness of hollow tubular with diapire, promote the process of semi-finished product height, in the stretching of attenuation process, very easily produce the deformation of bottom (being commonly called as " pucking " distortion) of cylindrical shell, common settling mode has two kinds: the one, adopt the mode that increases base thickness, and the 2nd, adopt the mode that is shaped rear school shape.First kind of way is the most direct, but will increase raw-material consumption, improves manufacturing cost; The second way increases labour intensity and frock consumption, also will increase and cause cost.
Summary of the invention
The purpose of this utility model is: for the problem of above-mentioned existence, provide a kind of apparatus for shaping of stretching of attenuation product.
The technical solution adopted in the utility model comprises the die holder that is placed on the forcing press backing plate, and die holder is divided into epicoele and the cavity of resorption of interior sky by the dividing plate at middle part, and epicoele and cavity of resorption connect mutually, places the stretching of attenuation parts in the epicoele; Orthopaedic component is set in the cavity of resorption, and described orthopaedic component comprises the school shape die that is connected with the forcing press backing plate, also comprises the liftout head that is placed in the shape die of school; Described liftout head top is the plane, and the inner chamber of liftout head top and school shape die consists of the shaping working face, and described liftout head bottom is stretched out in the shape die of school and is connected with the pushing tow parts.
Adopt the utility model device, owing in cavity of resorption, having increased orthopaedic component, directly finish the bottom shaping in the shaping working face of tubular product behind the stretching of attenuation in orthopaedic component, and need not again to change over to lower road trimming, reduced circulation operation and labour intensity and frock consumption.
The inner chamber of school shape die and the process of tubular product are complementary.After tubular product behind the stretching of attenuation was stamped, production engineering specifications was satisfied in the product size one-time-reach-place.
Description of drawings
The utility model will describe by embodiment and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the stretching of attenuation device of prior art.
Fig. 2 is prior art stretching of attenuation product structure schematic diagram.
Fig. 3 is the utility model device.
Fig. 4 is the product structure schematic diagram after the shaping of the utility model stretching of attenuation.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Shown in Fig. 1 is the technological equipment of prior art stretching of attenuation tubular product.It comprises the die holder 2 that is placed on the forcing press backing plate 1, the dividing plate 9 at die holder middle part is divided into die holder epicoele and the cavity of resorption of interior sky, be provided with the stretching of attenuation parts in the epicoele, comprise successively from top to bottom guide sleeve 6, first die 5 of extending, backing plate 4, the second die 3 of extending, the cover plate 7 that the die holder top is connected is fastened on the stretching of attenuation parts in the epicoele of die holder.The through hole that arranges at the core of cover plate, stretching of attenuation parts and dividing plate forms the stretching of attenuation workspace, tubular product 10 imports in the through hole of cover plate core, under the punching press of the punch 9 of extending in stretching into the tubular product, the tubular product is through the continuously extruded stretching of stretching of attenuation parts, its wall attenuation highly increases; After leaving the constraint of stretching of attenuation workspace, the tubular product falls into the transport tape 11 in the die holder cavity of resorption, is transferred to lower operation.The tubular shape of product that obtains behind the process stretching of attenuation as shown in Figure 2, outwards " pucking " of projection obviously appears in its bottom 13, need to anneal to the tubular product, deliver to special school shape operation, on independent forcing press, adopt special-purpose school shape mould to come shaping, could obtain to satisfy the smooth tubular product in bottom of technological requirement.
Its structure of the utility model on the basis of existing technology, utilizes existing technological equipment to improve as shown in Figure 3 as much as possible, to reduce the continuity of improvement cost and maintenance operation.Compare with the prior art of Fig. 2, still kept the stretching of attenuation part, namely have stretching of attenuation parts, cover plate, the punch of extending in identical forcing press backing plate, die holder, dividing plate, the epicoele, improvement of the present utility model is in the die holder cavity of resorption, removed transport tape, set up the school shape die that is connected with the forcing press backing plate, the work cavity shape of die, size conform to technique (design) size of tubular product.The work inner chamber cross section of the utility model die is circular, also can be according to other suitable shapes that is shaped as of product.Also being provided with in the shape die of school can be at the liftout head of die work inner chamber slide inside, and liftout head upper surface is the plane, with the work inner chamber formation shaping working face of school shape die.Liftout head bottom is stretched out in the shape die of school and is connected with the pushing tow parts (not shown) of bottom.
Adopt the apparatus for shaping of the utility model structure, finish the tubular product of stretching of attenuation, under the punching press of the punch of extending, its bottom that need to proofread and correct is directed in the school shape die of die holder cavity of resorption, and in the shaping workspace that extend punch and school shape die, liftout head consist of, finish the smooth school shape of tubular product bottom by the impulsive force that forcing press applies for the punch of extending.Then the pushing tow parts promote the liftout head, and the tubular product after the shape of school is released in die.The tubular shape of product structure that obtains as shown in Figure 4, bottom 13 is smooth, meets technological requirement.
The utility model can be finished the effect of last stretching of attenuation and goods bottom shaping in the one stroke of forcing press.The application of this device has not only been shortened the manufacturing cycle so that the structure of school shape mould also becomes simply, and production cost and operator's labour intensity reduces.
The above only is preferred embodiment of the present utility model, all any modifications of doing within spirit of the present utility model and principle, is equal to and replaces and improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. the apparatus for shaping of a stretching of attenuation tubular product, comprise the die holder that is placed on the forcing press backing plate, die holder is divided into epicoele and the cavity of resorption of interior sky by the dividing plate at middle part, epicoele and cavity of resorption connect mutually, place the stretching of attenuation parts in the epicoele, it is characterized in that: orthopaedic component is set in cavity of resorption, described orthopaedic component comprises the school shape die that is connected with the forcing press backing plate, also comprise the liftout head that is placed in the shape die of school, described liftout head top is the plane, the inner chamber of liftout head top and school shape die consists of the shaping working face, and described liftout head bottom is stretched out in the shape die of school and is connected with the pushing tow parts.
2. the apparatus for shaping of a kind of stretching of attenuation tubular product as claimed in claim 1, it is characterized in that: the inner chamber of described school shape die and the process of tubular product are complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354448 CN202639139U (en) | 2012-07-21 | 2012-07-21 | Attenuation and extension reforming device of cylindrical products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354448 CN202639139U (en) | 2012-07-21 | 2012-07-21 | Attenuation and extension reforming device of cylindrical products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202639139U true CN202639139U (en) | 2013-01-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220354448 Expired - Fee Related CN202639139U (en) | 2012-07-21 | 2012-07-21 | Attenuation and extension reforming device of cylindrical products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202639139U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665537A (en) * | 2016-03-31 | 2016-06-15 | 山西新环粉末冶金有限公司 | Stretching die applied to production of bullet case of perforating bullet |
| CN113059016A (en) * | 2021-03-16 | 2021-07-02 | 中北大学 | Thinning, stretching and extruding composite forming die for large-height-diameter ratio cylinder |
| CN113857772A (en) * | 2021-08-27 | 2021-12-31 | 隆昌山川机械有限责任公司 | Cartridge manufacturing method and die based on cold drawing |
-
2012
- 2012-07-21 CN CN 201220354448 patent/CN202639139U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665537A (en) * | 2016-03-31 | 2016-06-15 | 山西新环粉末冶金有限公司 | Stretching die applied to production of bullet case of perforating bullet |
| CN113059016A (en) * | 2021-03-16 | 2021-07-02 | 中北大学 | Thinning, stretching and extruding composite forming die for large-height-diameter ratio cylinder |
| CN113059016B (en) * | 2021-03-16 | 2022-04-05 | 中北大学 | Thinning, stretching and extruding composite forming die for large-height-diameter ratio cylinder |
| CN113857772A (en) * | 2021-08-27 | 2021-12-31 | 隆昌山川机械有限责任公司 | Cartridge manufacturing method and die based on cold drawing |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20210721 |