CN201410761Y - Thickening mold for tube workpieces - Google Patents
Thickening mold for tube workpieces Download PDFInfo
- Publication number
- CN201410761Y CN201410761Y CN2009200462965U CN200920046296U CN201410761Y CN 201410761 Y CN201410761 Y CN 201410761Y CN 2009200462965 U CN2009200462965 U CN 2009200462965U CN 200920046296 U CN200920046296 U CN 200920046296U CN 201410761 Y CN201410761 Y CN 201410761Y
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- CN
- China
- Prior art keywords
- thickening
- mold
- boss
- model
- clapboard
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a thickening mold for tube workpieces, comprising a clapboard arranged on a pressing machine base body, and a clamping mold and a thickening mold which are arranged at twosides of the clapboard respectively, a boss which is arranged on the contact end surface of the clamping mold and the clapboard, the boss is stretched in a cavity surrounded by the clapboard, the clamping mold and the thickening mold, and the outer end surface of the boss is close to the end surface of the thickening mold. In the utility model, one boss is arranged on the end surface of the clamping mold and is stretched in the cavity surrounded by the clapboard, the clamping mold and the thickening mold, the phenomenon of protuberance of the tube to the cavity can be effectively prevented when the wall of the end part of the tube workpiece is thickened, thereby ensuring the processing quality of products and establishing good foundation for the follow-up thread processing.
Description
Technical field
The utility model relates to a kind of thickening mould that is used for body class workpiece.
Background technology
Oil well pipe normally is combined into one by being threaded, and be to increase bonding strength, before screw thread processing, generally adopts press that the body end is suitably thickeied, and intensity is not less than body to guarantee to be threaded.Used thickening mould has the individual dividing plate that is connected as a single entity with the press pedestal on the conventional press between thickening model and clamping die, being used for fixing mould can not be subjected to displacement it, dividing plate can't be changed, therefore the endoporus after dividing plate closes up is the external diameter size of the maximum pipe that press can do, and when working as the tube outer diameter of being done and not reaching the maximum specification that press can do, will form the space in baffle region, when upsetting deformation length longer pipe body class workpiece such as drilling rod or direct linkage type tubing and casing are added hot extrusion, body very easily produces substandard products in the gap of dividing plate projection, causes product defective.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiency that existing equipment exists, a kind of thickening mould that is used for body class workpiece is provided, when by it body class workpiece being added hot extrusion, can guarantee crudy, prevent to produce substandard product.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of thickening mould that is used for body class workpiece, comprise clamping die and the thickening model being located at the dividing plate on the press pedestal and being divided into the dividing plate both sides, the end face that contacts with dividing plate at clamping die is provided with boss, described boss stretches in the cavity that is surrounded by dividing plate, clamping die and thickening model, and the end face of thickening model is approached in the outer face of boss.
Further, described boss and clamping die are the integrative-structure of integral manufacturing.
The beneficial effects of the utility model are: the utility model is provided with a boss by the end face at clamping die and stretches in the space that into baffle region forms, can prevent effectively that body class workpiece from carrying out the end tube wall and adding man-hour, the projection phenomenon that body produces to the gap, guarantee the crudy of product, and basis is preferably established in the screw thread processing in road after being.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
1. dividing plates, 2. clamping dies, 3. thickening models, 4. cavitys, 5. boss among the figure
The specific embodiment.
In conjunction with the accompanying drawings the utility model is further described now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
A kind of thickening mould that is used for body class workpiece as shown in Figure 1, comprise the dividing plate 1 that is connected as a single entity with the press pedestal, be respectively arranged with clamping die 2 and thickening model 3 in the left and right sides of dividing plate 1, dividing plate 1, clamping die 2 and thickening model 3 surround a cavity 4, the end face that contacts with dividing plate 1 at clamping die 2 is provided with boss 5, and this boss 5 stretches in the cavity 4, and with clamping die 2 be the integrative-structure of integral manufacturing, the end face of thickening model 3 is approached in the outer face of boss 5, and spacing is between 0.5mm～1mm.When body class workpiece being carried out end tube wall thickening, because the existence of boss 5 just can prevent that body is to cavity 4 inner processes, to guarantee product quality.
With above-mentioned foundation embodiment of the present utility model is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from the utility model technological thought.Technical scope of the present utility model is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (2)
1. thickening mould that is used for body class workpiece, the clamping die (2) and the thickening model (3) that comprise the dividing plate of being located on the press pedestal (1) and be divided into dividing plate (1) both sides, it is characterized in that: the end face that contacts with dividing plate (1) at clamping die (2) is provided with boss (5), described boss (5) stretches in the cavity (4) that is surrounded by dividing plate (1), clamping die (2) and thickening model (3), and the end face of thickening model (3) is approached in the outer face of boss (5).
2. the thickening mould that is used for body class workpiece according to claim 1 is characterized in that: described boss (5) is the integrative-structure of integral manufacturing with clamping die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200462965U CN201410761Y (en) | 2009-06-03 | 2009-06-03 | Thickening mold for tube workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200462965U CN201410761Y (en) | 2009-06-03 | 2009-06-03 | Thickening mold for tube workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201410761Y true CN201410761Y (en) | 2010-02-24 |
Family
ID=41712653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200462965U Expired - Fee Related CN201410761Y (en) | 2009-06-03 | 2009-06-03 | Thickening mold for tube workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201410761Y (en) |
-
2009
- 2009-06-03 CN CN2009200462965U patent/CN201410761Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213100 No. 66 West Wujin Road, Wujin District, Jiangsu, Changzhou Patentee after: Jiangsu Shengda Petroleum Equipment Manufacturing Co., Ltd. Address before: 213100 No. 66 West Wujin Road, Wujin District, Jiangsu, Changzhou Patentee before: Jiangsu Shined Petroleum Equipment Manufacturing Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20150603 |
|
| EXPY | Termination of patent right or utility model |