CN204934352U - Pipe end shrink mouth processing mold - Google Patents
Pipe end shrink mouth processing mold Download PDFInfo
- Publication number
- CN204934352U CN204934352U CN201520652943.2U CN201520652943U CN204934352U CN 204934352 U CN204934352 U CN 204934352U CN 201520652943 U CN201520652943 U CN 201520652943U CN 204934352 U CN204934352 U CN 204934352U
- Authority
- CN
- China
- Prior art keywords
- clamping head
- hole
- attaching parts
- conical
- pipe end
- 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
Links
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
This patent provides a kind of pipe end shrink mouth processing mold, comprises shell, clamping head, drives attaching parts, drives oil cylinder and frame; Described housing has conical through-hole, and conical through-hole wall is provided with groove; Described clamping head comprises polylith separate slider, be combined into tapered cylinder, be arranged in conical through-hole, the slide block of every block clamping head is equipped with convex strangling, this is convex strangle with described conical through-hole wall on be groove fit, clamping head can be realized tighten up when slide block all moves to bellmouth small end; When described clamping head is combined into tapered cylinder, the center, one end that its radius is less is provided with bellmouth, for compressing tubing; Clamping head, by driving hydraulic oil cylinder driving, is connected by driving attaching parts.Clamping head tightens up exerts pressure to pipe end, and to compress pipe end, clamping head is synchronous in moving process, exerts a force more stable, avoids force inequality and damages tubing.
Description
Technical field
The utility model relates to a kind of necking die, particularly relates to a kind of steel tube end part necking die.
Background technology
At present reducing is realized to tubing, main employing machine for shrinking carries out pressure receipts or particular manufacturing craft carries out punching press, machine for shrinking mainly adopts the mode of spinning, spinning is fixed on the mould of spinning machine by dull and stereotyped or hollow blank, while blank is with lathe main axis, with spinning roller or catch up with rod to stress on blank, make it the plastic deformation producing local.Under the feed motion of spinning roller and the rotary motion acting in conjunction of blank, make the plastic deformation of local expand to all surfaces of blank step by step, and be close to mould, complete the rotary pressing processing of part.Spinning is a kind of special manufacturing process.The drawing of various shape rotary body, flange, reducing, the technique such as bulging and crimping can be completed by spin-on process; When relating to some bend pipes, machine for shrinking then can not realize clamping, and bend pipe is rotated; Particular manufacturing craft then needs to be placed on by tubing on patrix or counterdie, is realized the plastic deformation of tubing by the mutual punching press of upper and lower mould, so machine for shrinking and particular manufacturing craft are mainly used for straight tube processing, larger to the restriction of pipe geometry.
Utility model content
The technical problems to be solved in the utility model is to provide one and does not limit pipe geometry, the necking die that tubing opposing mold center is motionless in draw process.
For overcoming the above problems, the utility model provides a kind of pipe end shrink mouth processing mold, comprises shell, clamping head, drives attaching parts, drives oil cylinder and frame; Described housing has conical through-hole, and be housing conical through-hole, housing conical through-hole wall is provided with groove; Described clamping head comprises polylith separate slider, be combined into taper, be arranged in housing conical through-hole, the slide block of every block clamping head is equipped with convex strangling, this is convex strangles and the groove fit on described housing conical through-hole wall, and the convex cross section of strangling on the slide block of groove on housing conical through-hole wall and clamping head is set to trapezoidal; When described clamping head is combined into taper, the center, one end that its radius is less is provided with bellmouth, clamping head taper hole; Described driving attaching parts are connected with the skid of clamping head, and drive attaching parts to drive clamping head to move forward and backward, and the piston rod of described driving oil cylinder is fixedly connected with driving attaching parts, drives oil cylinder and shell to be fixed on frame.
Workpiece end is placed in clamping head taper hole, starts and drive oil cylinder, stretch out piston rod, promote to drive attaching parts, make driving attaching parts promote clamping head and move in housing conical through-hole, clamping head is shunk, realizes workpiece end reducing; Reverse input hydraulic pressure oil, makes piston rod retract, just can unclamp workpiece, prepares to process next time.Because the convex cross section of strangling on the slide block of the groove on housing conical through-hole wall and clamping head is set to trapezoidal, clamping head is contacted with housing conical through-hole wall all the time, there will not be the slide block of composition clamping head to occur inconsistent phenomenon, make to there will not be distortion when carrying out reducing to workpiece end.
Exert pressure to pipe end because such scheme adopts clamping head to tighten up, realize reducing, do not need tubing to rotate in mould, therefore to pipe geometry not requirement, the pipe end shrink mouth to bend pipe, straight tube can be realized.
Further, described driving attaching parts arrange the U-shaped hole corresponding with the slide block of described clamping head, and the slider tail of clamping head has screwed hole, screws in screwed hole with screw rod, through the U-shaped hole driving attaching parts, and uses nut locking position.This structure is relatively simple, processing, easy to assembly.
Further, the screw rod between described driving attaching parts and the slide block of clamping head is set with a steel pipe, replaces nut with steel pipe, when producing pressure, pressure can be born by steel pipe, preventing thread failure, available protecting screw rod.
Further, clamping head top sliding block is set to eight pieces altogether, is more conducive to uniform force application, and also do not cause structure too complicated.
Accompanying drawing explanation
Fig. 1 is pipe end shrink mouth processing mold sectional view;
Fig. 2 is the A-A sectional drawing of Fig. 1 pipe end shrink mouth processing mold sectional view;
Fig. 3 is the driving attaching parts of pipe end shrink mouth processing mold.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is further described in detail, so that the technical problem solved design of the present utility model, the technical characteristic forming technical scheme and the technique effect that brings have further understands.But, it should be noted that to the explanation of these embodiments be schematic, do not form concrete restriction of the present invention.
From Fig. 1, Fig. 2 Fig. 3, pipe end shrink mouth processing mold is by shell 2, and clamping head 3, drives attaching parts 4, drives oil cylinder 5 and frame 1 to form.
The housing 2 of the utility model pipe end shrink mouth processing mold has conical through-hole, and be housing conical through-hole 21, housing conical through-hole 21 wall is provided with groove 211; Described clamping head 3 comprises eight pieces of separate slider 31, be combined into taper, be arranged in housing conical through-hole 21, the slide block 31 of every block clamping head is equipped with convexly strangles 311, and this is convex strangles 311 and be trapezoidal with the cross section of groove 211, convexly strangles 311 and coordinates with the groove 211 on described housing conical through-hole wall, slide block can be free to slide convex strangling on 311, and clamping head 3 is contact with housing conical through-hole wall all the time, when slide block 31 all moves to the small end of housing conical through-hole 21, just can realizes clamping head 3 and tighten up; When described clamping head 3 is combined into taper, there is bellmouth at the center, one end that its radius is less, is clamping head taper hole, for placement pipe end; Drive in attaching parts 4 and be provided with the U-shaped hole 44 corresponding with the slide block 31 being combined into clamping head 3, slide block 31 afterbody of clamping head 3 has screwed hole 312, screwed hole 312 is screwed in screw rod 41, and be set with steel pipe 43, through the U-shaped hole 44 driving attaching parts 4, screw rod 41 afterbody nut 42 is spacing, drives the piston rod of oil cylinder 5 to be fixedly connected with driving attaching parts 4, drives oil cylinder 5 and shell 2 to be fixed on frame 1.
Workpiece 8 end is placed in clamping head taper hole, starts and drive oil cylinder 5, make it stretch out piston rod, promote to drive attaching parts to move right, drive the slide block 31 of clamping head 3 to slide in housing conical through-hole 21 inter-sync to the right, realize the clamping of clamping head 3, tubing is exerted pressure, realizes tubing reducing; After completing reducing, driving oil cylinder 5 is retracted piston rod, just can unclamp clamping head, take out workpiece 8, enter the processing to next workpiece.
Claims (4)
1. a pipe end shrink mouth processing mold, comprising: shell, clamping head, drives attaching parts, drives oil cylinder and frame; It is characterized in that, described shell has conical through-hole, be housing conical through-hole, housing conical through-hole wall is provided with groove; Described clamping head comprises polylith separate slider, is combined into taper, is arranged in housing conical through-hole, and the slide block of every block clamping head is equipped with convex strangling, and this is convex strangles with the groove fit on described housing conical through-hole wall in being slidably connected; Convex on groove on housing conical through-hole wall and the slide block of clamping head is strangled, and its cross section is all in trapezoidal; When described clamping head is combined into taper, the center, one end that its radius is less has clamping head taper hole; Described driving attaching parts are connected with the skid of clamping head, and the piston rod of described driving oil cylinder is fixedly connected with driving attaching parts, drives oil cylinder and shell to be fixed on frame.
2. pipe end shrink mouth processing mold according to claim 1, it is characterized in that, described driving attaching parts are provided with the U-shaped hole corresponding with the slide block of described clamping head, and the slider tail of clamping head has screwed hole, drive attaching parts to be connected with screw rod with the slide block of clamping head, nut is spacing.
3. pipe end shrink mouth processing mold according to claim 1, is characterized in that, the screw rod between described driving attaching parts and the slide block of clamping head is set with a steel pipe.
4. pipe end shrink mouth processing mold according to claim 1, it is characterized in that, described clamping head is made up of eight slide blocks altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652943.2U CN204934352U (en) | 2015-08-27 | 2015-08-27 | Pipe end shrink mouth processing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652943.2U CN204934352U (en) | 2015-08-27 | 2015-08-27 | Pipe end shrink mouth processing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204934352U true CN204934352U (en) | 2016-01-06 |
Family
ID=55001808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520652943.2U Expired - Fee Related CN204934352U (en) | 2015-08-27 | 2015-08-27 | Pipe end shrink mouth processing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204934352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677650A (en) * | 2019-02-12 | 2019-04-26 | 宁波高新区起兴机电有限公司 | A kind of automation filling apparatus |
-
2015
- 2015-08-27 CN CN201520652943.2U patent/CN204934352U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677650A (en) * | 2019-02-12 | 2019-04-26 | 宁波高新区起兴机电有限公司 | A kind of automation filling apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105081096A (en) | Pipe end contraction machining die | |
| CN202263880U (en) | Cold upsetting combined female die for machining blind rivet mandrel by upsetting-extruding method | |
| CN105107948A (en) | Mouth compressing mold for metal pipe end | |
| CN102962309A (en) | Forming method and device for thin-wall T-pipe | |
| CN204953710U (en) | Pipe fitting throat mold processing | |
| CN105081121A (en) | Pipe end contraction device | |
| CN202667468U (en) | Hydraulic steel tube expanding machine | |
| CN201648497U (en) | Crossed isometric angle extruding mold for preparing superfine crystal materials | |
| CN203565597U (en) | Rigid soft convex die composite bulging tool | |
| CN204934353U (en) | Metal pipe material pipe end shrink mouth mould | |
| CN102554023B (en) | Pipe local reducing method | |
| CN107309290A (en) | The big strain mould of integrated extruding and equal channel angular detrusion | |
| CN204934352U (en) | Pipe end shrink mouth processing mold | |
| CN202591269U (en) | Cold extrusion forming device for starter gear of 125 motorcycle engine | |
| CN203695834U (en) | Energy-saving drilling tool block press | |
| CN203170783U (en) | Oil tube end portion thickening machine | |
| CN204338600U (en) | Conical pipe cold-extrusion shaping device | |
| CN205110577U (en) | Pipe end throat device | |
| CN200984593Y (en) | Accurate steel-tube cold drawing machine chucking | |
| CN105127317A (en) | Pipe end necking die | |
| CN104128744A (en) | Reducing process for producing T iron by cold forging | |
| CN211638054U (en) | Copper pipe stretching front end part reducing treatment device | |
| CN204276558U (en) | Metal stock multidirectional compound multichannel screw extrusion mould | |
| CN102814350A (en) | Sawtooth-shaped hole cold-extruding device and male die and female die thereof | |
| CN203599260U (en) | Extrusion forming mold |
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: 20160106 Termination date: 20160827 |