CN2300461Y - Multiple straight pipe cold drawing machine - Google Patents
Multiple straight pipe cold drawing machine Download PDFInfo
- Publication number
- CN2300461Y CN2300461Y CN 96203223 CN96203223U CN2300461Y CN 2300461 Y CN2300461 Y CN 2300461Y CN 96203223 CN96203223 CN 96203223 CN 96203223 U CN96203223 U CN 96203223U CN 2300461 Y CN2300461 Y CN 2300461Y
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- car
- frame
- valve
- straight tube
- mould
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Abstract
The utility model discloses a multiple straight pipe cold drawing machine which is used for reducing diameter and thickness. The utility model is composed of a Z-shaped machine frame, a drawing traction device, a drawing mold with a plurality of sets of inner and outer molds, a semiautomatic drawing vehicle, a starter which can make the drawing vehicle clamp a pipe and start drawing automatically, and a controllable work- returning device. Compared with the prior art, the production efficiency is improved at least double times, the labor strength is low, the drawing quality of a finished pipe is high and the work of the utility model is safe. Thus, the utility model is suitable for drawing non-ferrous metal straight pipes made of copper, aluminium, etc., and can also be used for drawing and processing ordinary iron pipes.
Description
The utility model relates to the cold drawn equipment of a kind of metal tube, especially a kind of many straight tube cold-drawn machines that comprise frame, draw mould, stretching and drawing device.
The existing normal straight tube cold-drawn machine of producing and using is generally single straight tube cold-drawn machine.This class cold-drawn machine is structurally by the linear pattern frame, comprises that the drawing mould that drawing of chain stretched draw-gear, draws tool and only contained external mold in the cover forms.Its drawing principle is: straight tube that will be to be drawn is contained in the drawing mould with interior external mold, with drawing the clamp in the tool to vise the tube head that stretches out the drawing nib, and will draw pintle in the tool to be pressed on the chain link shaft in the chain thereupon, the chain of motion drives and draws tool and tube head to move forward, and pipe is subtracted thick in drawing mould by tube reducing.Leave when drawing mould when drawing pipe, draw the contact friction force of pintle and chain link shaft in the tool to disappear, rely on the extension spring on it, make pintle disengaging chain link shaft, meanwhile, clamp is become less severe, thereby has finished pulling process one time.The single straight tube cold-drawn machine of this class can only be finished the drawing of a straight tube at every turn, and production efficiency is low; Draw the tool heaviness, pincers are managed and risen to the bait needs manual operations, and labour intensity is big; The each drawing can make the inside and outside mould that draws in the mould produce wearing and tearing, and when drawing a collection of member pipe, the pipe sizing deviation disunity after must occurring drawing cause to the user and to use inconvenience, and the check letter sorting is very time-consuming; Because all on the central vertical face of frame, the pipe after the stretching drops on the operation chain of frame usually for mould and clamp mouth, in time cleaning can stretch once more, has increased operative employee's the amount of labour; Draw pintle in the tool in the moment that breaks away from chain link shaft, because the suddenly disappearing of its big tensile force, tend to make and draw the tool fierceness to beat and leave frame, easily cause the accident.
The purpose of this utility model provides a kind of production efficiency height, and the member pipe sizing after the drawing is more unified, many straight tube cold-drawn machines of safety.
For achieving the above object, the utility model improves the structure of common cold-drawn machine, adopt floor projection be "
" frame of shape, a semi-automatic drawing car is arranged on two guide pass of this frame one end, its other end is installed the drawing moulds that the inside and outside mould of many covers is formed; Drawing car is made up of automatic pincers pipe unit, the auto-coupling aimed at the control mould and the vehicle frame that has the rolling train; Controlled carriage return device is in transmission connection with the control car, and have one can an automatic pincers pipe and a starter that draws when drawing mould when drawing car.
Above-mentioned automatic pincers pipe unit has a plurality of superimposed binding clips together, and these binding clips link to each other with a driver's valve by a common drive link; Binding clip is made of two the toothed chelas of wedge shape, box bodys, its shape, size is arranged on the box body and chela is corresponding and two symmetrical skewed slots of break-through box wall, and these two skewed slots can make the chela sliding extension of packing into, thereby makes distance between chela dwindle or increase; There is a slide block bottom surface of chela, and it is by stage clip, and push rod can be connected with above-mentioned drive link.Above-mentioned auto-coupling comprises the pintle that can hang up with chain, this pintle with draw the vehicle carriage hinge and be connected, and link to each other with driver's valve by bindiny mechanism, this hooking device also is provided with the extension spring that can make pintle and chain disengaging.Above-mentioned driver's valve can be a pneumatic operated valve, also can be magnetic valve.
Above-mentioned rolling train comprises and contacts two pairs of scroll wheels that are used for load-bearing with the upper rail face of frame, contacts two couple who is used for directed anti-two pairs of scroll wheels of recruiting and lays respectively at the guide rail outer side slot respectively with the medial surface of two guide rails and ends and jump the insurance scroll wheel and form,
Above-mentioned controlled carriage return device has a unidirectional across-the-line starting control circuit that comprises that reducing motor, foot pedal starting switch, limit switch, contactor, hot protective relay are formed, and a driving-belt that is in transmission connection with the drawing car is arranged on the arbor wheel of reducing motor.When the foot pedal starting switch closure, start control circuit work, motor rotates, and makes the control car return by conveyer belt, when controlling the mould place, draws car and touches limit switch and be disconnected, and contactor is cut off the electricity supply, the motor stall.
Above-mentioned starter has adaptation pneumatic operated valve and an air valve that is positioned on the other frame of control mould, and drawing on the car has the trachea of aiming at air valve, and this trachea is communicated with two pneumatic operated valves by tube connector respectively.When trachea backed down the air valve valve, compressed air just can enter pneumatic operated valve by air valve, trachea, tube connector, moved thereby promote piston.
For adapting to above-mentioned magnetic valve, this starter can also have one and place the travel switch that draws on the car, have on the frame and the corresponding link stopper of travel switch, the position of this link stopper comes close to or in contact with when drawing mould the drawing car, travel switch is stirred by link stopper and is connected power supply, thereby makes magnetic valve energising work.
Owing to adopted above Rational structure, the utility model has following advantage:
1, production efficiency height.Owing to be provided with automatic pincers pipe unit, auto-coupling with a plurality of binding clips and the drawing the mould how inside and outside mould of cover is formed, at least can draw two tubes at every turn, and rise when drawing drawing car, just can on other several molds that draw mould, wait to draw by the suit pipe, drawing car can not have the operation back and forth of the ground of pause, and production efficiency can improve two times at least.
2, external diameter and the wall thickness dimension that draws a collection of pipe easily unified the product quality height.With a collection of pipe of drawing die drawing system of multi-mould, the quantity that every mold is born is few, and it is also few to draw the die wear amount cause, and the quality that the draws a collection of pipe assurance that is easy to get is user-friendly.
3, labour intensity is low.The frame employing "
" shape, and be a space with the bottom that draws the automatic pincers pipe unit that mould aims at, pipe can fall on the bin in this space after drawing is finished naturally, has avoided each drawing must be with the trouble that artificially collects cleaning.And the drawing car of finishing the stretching task return need only pin step in the controlled carriage return device firing switch just can, easy and simple to handle.
4, draw car operate steadily, safe and reliable.Be provided with load-bearing, anti-ly turn round and end the rolling train of jumping insurance owing to draw the vehicle frame of car, flexible operation, steadily not only, and when the pipe demoulding, can not make draw car because of suddenly disappearing of big tensile force causes fierce the vibration overturn.In addition, also because of the raising of work efficiency, help making full use of power, capable of reducing energy consumption 2/3.
5, because the pulling process vibration is little, many straight tube cold-drawn machines of the utility model and ground only need to fix with the iron expansion bolt, fix with foundation bolt and needn't do the basis, and is easy for installation, cost saving.
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail.
Fig. 1 is many straight tube cold-drawn machines of a utility model structural representation.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the amplification profile of Fig. 1 along the pipe unit of automatic pincers shown in the I-I.
Fig. 4 is that Fig. 1 is along the rolling train amplification view shown in the II-II.
Fig. 5 is the unidirectional across-the-line starting control circuit of a controlled carriage return device schematic diagram.
Fig. 1, Fig. 2 are a kind of embodiment of the present utility model, from figure, can be clear that, one have floor projection for "
" left end of shape frame 19 has one to draw mould; draw outer die device that mould comprises that four external molds 9 being on the same vertical plane and fixed mount 8 are formed and four the interior membrane modules corresponding; interior membrane module is flatly placed on the shelves frame 5 of frame 19; it is made up of the adjusting rod 2 of internal mold 6, tube connector 4 and afterbody; be with a spring 3 and a location-plate 1 that is fixed on the frame on the adjusting rod; under the spring force effect with external mold, the bottom surface of adjusting rod head contacts with location-plate, to keep the spacing between internal mold and the external mold.
At the frame right-hand member stretching and drawing device is arranged, it is made up of reducing motor 20, chain 22 of being connected with the reducing motor chain gear transmission etc.A semi-automatic drawing car is arranged on the guide rail 27, be equipped with on the vehicle frame 38 of this drawing car and chain 22 auto-couplings, the rolling train that contacts with guide rail, and the automatic pincers pipe unit of aiming at the drawing mould that is positioned at vehicle frame overarm position.
As Fig. 1, shown in Figure 3, the automatic pincers pipe unit comprises four superimposed binding clips 12 together, and binding clip is made up of two toothed wedge shape chelas 28, box bodys 29, and the symmetrical skewed slot 30 of two break-through box walls is arranged on the box body, its shape, big or small corresponding with chela, chela are contained in the skewed slot slidably flexible.When two chelas when skewed slot slides left, distance is dwindled between them, on the contrary when sliding to the right, distance increases.There is a slide block 31 bottom surface of chela 28, and a shoulder hole 33 is arranged in this slide block, and a stage clip 32 and a push rod that has step 34 that contacts with stage clip are housed in the hole.Each push rod of above-mentioned four binding clips all is connected with the connecting rod 35 of driver's valve 14 on being fixed on vehicle frame by a common drive link 13.Driver's valve adopts the pneumatic valve of piston type, when compressed air enters pneumatic operated valve, piston 37 in the pneumatic operated valve is pushed, thereby drivening rod 35, driving member 13, push rod 34 move to left, contact with the slide block shoulder hole by stage clip or push rod step, force slide block 31 and chela 28 to move to left, chela can be clamped the pipe head that stretches into wherein.After the drawing car rose and draws, by the component effect of chela 28 in skewed slot 30, chela firmly vised pipe head, and this moment, pneumatic operated valve can no longer be worked.
As shown in Figure 1, auto-coupling has the one end and draws vehicle carriage 38 hinged pintles 18, the middle part of pintle links to each other with the connecting rod of driver's valve 15 by an angle square shape bindiny mechanism 17, this driver's valve adopts the pneumatic valve of piston type,, flexible between its shell and the drawing vehicle carriage to guarantee that pintle rotates for flexibly connecting.Between the shell of bindiny mechanism 17 and pneumatic operated valve 15, be provided with and make the extension spring of proposing on the pintle with connecting rod withdrawal pneumatic operated valve 16.
As shown in Figure 4, draw vehicle frame 38 bottoms of car, the rolling train is housed, this scroll wheel cording has the scroll wheel 39 of four load-bearing, contact with 27 on two guide rails of frame respectively, four anti-scroll wheels 41 of turning round of orientation, it rolls with the medial surface of two guide rails 27 respectively and contacts, only jump scroll wheel 40 for four, be in respectively in the groove of guide rail 27 lateral surfaces.
Establish a carriage return device in frame one side, this carriage return device has a unidirectional across-the-line starting control circuit, it by the reducing motor 21 that is arranged in the frame right-hand member, draw mould other limit switch 10, foot pedal starting switch 23 and place the contactor, electrothermal relay etc. of electric box 7 to constitute, be connected with the steel wire rope 11 of a transmission on reducing motor 21 arbor wheels, this steel wire rope 11 links to each other with the drawing car.Its operating principle is: see Fig. 5, and foot pedal starting switch QA (23), the line chart energising adhesive of contactor JC, three of JC often open main contacts JC
1, JC
2, JC
3Closure, motor YD (21) running; Steel wire rope 11 by transmission makes the drawing car return, while and QA (23) JC in parallel
4Often open the auxiliary contact closure, make the JC self-locking.When the drawing car is pushed the limit switch XK (10) that draws the mould side, contactor JC coil blackout, normally opened contact JC
4Disconnect, reducing motor YD (21) shuts down, and the pulling force that draws car this moment disappears, and relies on inertia to move to and draws mould and only contact.
Draw car when coming close to or in contact with the drawing mould for making, draw automatic pincers pipe unit and auto-coupling starting on the car, the utility model is equipped with a starter, and it is formed with the trachea 25 that draws on the car by drawing the other air valve of mould 24.When trachea puts in the air valve interface when backing down its valve, by trachea 25, tube connector 26,36 enters in pneumatic operated valve 14,15 cylinders via the compressed air of air valve 24, promotes piston and moves, and draws car and vises pipe thereby make, and plays the roping row simultaneously automatically.
During these many straight tube cold-drawn machine operations, treat that with two stretching pipe is enclosed within respectively on the interior membrane module earlier, its pipe head stretches out by external mold 9 holes, pin is stepped on the firing switch 23 of controlled carriage return device, the drawing car is return, when near the drawing mould, the drawing car is pushed limit switch 10 and is disconnected, the outage of carriage return device quits work, the trachea 25 that draw on the car this moment puts in air valve 24 interfaces, valve is opened, compressed air is through air valve 24, trachea 25, tube connector 26,36 enter two pneumatic operated valves 14 respectively, in 15, promote piston and move, make the pipe head that puts in the chela district be clamped pipe unit and vise, the pintle 18 of hooking device hangs in the chain 22 of operation simultaneously, and the drawing car rises immediately and draws.At this moment trachea leaves air valve, valve-closing, rely on the component effect of chela in the box body skewed slot that contacts with pipe head, make chela firmly vise pipe head, simultaneously rise draw after, the pulling force of the long-range extension spring thereon 16 of the contact friction force of pintle and chain link plate between centers, auto-coupling can not break off relations from chain.Draw car and follow the chain operation, pipe is subtracted thick in drawing mould by tube reducing.When drawing car stretching operation, will treat that rapidly trombone slide is sleeved in the interior external mold of other two covers.When the pipe that stretches breaks away from the drawing mould, the contact friction force of gib head in the hooking device and chain link plate axle is very little, and extension spring is about to gib head mentions and break off relations, and draws car and halts, simultaneously binding clip is become less severe, and draws pipe after finishing and falls immediately on the bin (not drawing among the figure) under it.At this moment, pin is stepped on the firing switch 23 of carriage return device, draws car and returns, and repeats said process.
Driver's valve in the utility model, also can adopt magnetic valve, its starter adopts and being constituted by being contained in the link stopper that draws on car upper stroke switch and the frame that magnetic valve adapts simultaneously, the position of link stopper comes close to or in contact with when drawing mould the control car, travel switch can be stirred by link stopper and connect power supply, thereby makes magnetic valve get electronic work.
The utility model work efficiency height operates steadily, and hand labor intensity is low, and it is little to draw the pipe scale error, is suitable for the tube reducing of copper, aluminium or iron straight tube is subtracted thick processing
Claims (10)
1, a kind ofly can tube reducing subtract many thick straight tube cold-drawn machines, by frame, stretching and drawing device, draw mould and forms, the stretching and drawing device comprises a chain by the reducing motor driving that is arranged in the frame, it is characterized in that the floor projection of this frame is "
" shape, a semi-automatic drawing car is arranged on two guide pass of this frame one end, the drawing mould of adorning on the other end is made up of mould inside and outside many covers; Described drawing car is made up of automatic pincers pipe unit, the auto-coupling aimed at the drawing mould and the vehicle frame that has the rolling train; There are a controlled carriage return device and drawing car to be in transmission connection on the frame; Between the shelf position that draws car and the close drawing of drawing car mould, be provided with a starter that makes automatic pincers pipe unit and auto-coupling action.
2, many straight tube cold-drawn machines according to claim 1 is characterized in that the automatic pincers pipe unit has superimposed a plurality of binding clips together, and these binding clips link to each other with a driver's valve by a common drive link.
3, many straight tube cold-drawn machines according to claim 1 and 2, it is characterized in that auto-coupling comprises and the hinged pintle of drawing vehicle carriage, pintle links to each other with driver's valve by bindiny mechanism, has to make the extension spring of proposing on the pintle between the shell of bindiny mechanism and driver's valve.
4, many straight tube cold-drawn machines according to claim 3, it is characterized in that binding clip is made of two triangular belt tooth chelas, box body, slide blocks, its shape, size are arranged on the box body and chela is corresponding and two symmetrical skewed slots of break-through box wall, these two skewed slots can make the chela sliding extension of packing into and make distance between chela dwindle or increase; The chela bottom surface slide block of ining succession has a hole in this slide block, the push rod of band stage clip is housed in the hole.
5, many straight tube cold-drawn machines according to claim 1, the train that it is characterized in that rolling comprises and is contained in two pairs of load-bearing scroll wheels that the vehicle frame bottom contacts with frame upper rail face, and two pairs of orientations that contact respectively with two guide rail medial surfaces are anti-to be turned round scroll wheel and be in two couple in the guide rail outer side slot respectively and end and jump the insurance scroll wheel and form.
6, many straight tube cold-drawn machines according to claim 4, the train that it is characterized in that rolling comprises and is contained in two pairs of load-bearing scroll wheels that the vehicle frame bottom contacts with frame upper rail face, and two pairs of orientations that contact respectively with two guide rail medial surfaces are anti-to be turned round scroll wheel and be in two couple in the guide rail outer side slot respectively and end and jump the insurance scroll wheel and form.
7, many straight tube cold-drawn machines according to claim 3 is characterized in that described driver's valve is a pneumatic operated valve, also can adopt magnetic valve.
8, many straight tube cold-drawn machines according to claim 7, it is characterized in that described starter has adapts to being positioned at of pneumatic operated valve and draws air valve on the other frame of mould, drawing on the car has the trachea of aiming at air valve, and this trachea is communicated with pneumatic operated valve by tube connector respectively.
9, many straight tube cold-drawn machines according to claim 7, it is characterized in that described starter has the travel switch that draws on the car that places that adapts to magnetic valve, the link stopper of aiming at above-mentioned travel switch is arranged on the frame, the position of this link stopper makes and draws car and come close to or in contact with when drawing mould, and travel switch is struck and connects magnetic valve and be connected with power supply.
10, many straight tube cold-drawn machines according to claim 1 and 2, it is characterized in that the carriage return device comprises the unidirectional across-the-line starting control circuit that reducing motor, foot pedal starting switch, limit switch, contactor, electrothermal relay are formed, a driving-belt and a described reducing motor that links to each other with the drawing car is in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96203223 CN2300461Y (en) | 1996-01-10 | 1996-01-10 | Multiple straight pipe cold drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96203223 CN2300461Y (en) | 1996-01-10 | 1996-01-10 | Multiple straight pipe cold drawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2300461Y true CN2300461Y (en) | 1998-12-16 |
Family
ID=33888893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96203223 Expired - Fee Related CN2300461Y (en) | 1996-01-10 | 1996-01-10 | Multiple straight pipe cold drawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2300461Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397894A (en) * | 2010-09-14 | 2012-04-04 | 太仓富豪铜业有限公司 | Tube drawing machine |
| CN101690956B (en) * | 2009-09-28 | 2012-09-05 | 江苏银环精密钢管股份有限公司 | Overlength tube cold-drawing machine |
| CN102671979A (en) * | 2011-03-07 | 2012-09-19 | 吴江市中信科技有限公司 | Drawing machine |
| CN104190732A (en) * | 2014-08-15 | 2014-12-10 | 张家港市圣鼎源制管有限公司 | Steel tube cold-drawing machine |
| CN107627106A (en) * | 2017-08-14 | 2018-01-26 | 宁波长振铜业有限公司 | Bar vertical pulling processes structure |
| CN114083784A (en) * | 2021-11-12 | 2022-02-25 | 扬州汇江塑胶包装有限公司 | Pipe pulling mechanism for cosmetic packaging bottle |
| WO2022109966A1 (en) * | 2020-11-26 | 2022-06-02 | 常熟市梅李机械制造有限公司 | High-precision fully automatic three-strand cold drawing machine |
-
1996
- 1996-01-10 CN CN 96203223 patent/CN2300461Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690956B (en) * | 2009-09-28 | 2012-09-05 | 江苏银环精密钢管股份有限公司 | Overlength tube cold-drawing machine |
| CN102397894A (en) * | 2010-09-14 | 2012-04-04 | 太仓富豪铜业有限公司 | Tube drawing machine |
| CN102671979A (en) * | 2011-03-07 | 2012-09-19 | 吴江市中信科技有限公司 | Drawing machine |
| CN104190732A (en) * | 2014-08-15 | 2014-12-10 | 张家港市圣鼎源制管有限公司 | Steel tube cold-drawing machine |
| CN104190732B (en) * | 2014-08-15 | 2017-06-09 | 张家港市圣鼎源制管有限公司 | A kind of steel pipe cold |
| CN107627106A (en) * | 2017-08-14 | 2018-01-26 | 宁波长振铜业有限公司 | Bar vertical pulling processes structure |
| WO2022109966A1 (en) * | 2020-11-26 | 2022-06-02 | 常熟市梅李机械制造有限公司 | High-precision fully automatic three-strand cold drawing machine |
| CN114083784A (en) * | 2021-11-12 | 2022-02-25 | 扬州汇江塑胶包装有限公司 | Pipe pulling mechanism for cosmetic packaging bottle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |