CN202934784U

CN202934784U - Forming pipe die

Info

Publication number: CN202934784U
Application number: CN2012205845087U
Authority: CN
Inventors: 何海潮; 王淳德
Original assignee: Suzhou Jwell Machinery Co Ltd
Current assignee: Suzhou Jwell Machinery Co Ltd
Priority date: 2012-11-08
Filing date: 2012-11-08
Publication date: 2013-05-15
Anticipated expiration: 2022-11-08

Abstract

The utility model discloses a forming pipe die, which comprises a mandrel with a feed end and a discharging end, a tail die sleeve arranged at the periphery of the feed end in a sleeving manner, an opening die arranged at the periphery of the discharging end in a sleeving manner, as well as a front die sleeve in an abutting connection between the tail die sleeve and the opening die, wherein cavities for materials flowing are formed between the outer wall of the mandrel and the inner wall of the rail die sleeve, and between the inner wall of the front die sleeve and the inner wall of the opening die; the inner wall of one end, close to the front die sleeve, of the tail die sleeve is provided with an accommodating part which has an expanding inner diameter, and is ring-shaped and coaxial with the tail die sleeve; a solution pressure adjusting ring is arranged in the accommodating part in an axis adjustable manner; and an adjusting mechanism for adjusting axial positions of the solution pressure adjusting ring is arranged between the solution pressure adjusting ring and the accommodating part. According to the forming pipe die, the condition of uneven thickness of solid pipe wall caused by a sag phenomenon, uneven heat and the like is adjusted through the solution pressure adjusting ring with the adjustable axis in real time, so that the problem of uneven wall thickness caused by the reasons is solved, the effect is remarkable, and accordingly the forming pipe die is similarly suitable for manufacturing pipes with large diameters.

Description

The shaping pipe mould

Technical field

the utility model relates to a kind of shaping pipe mould.

Background technology

solid wall pipe mould in the past in the process of tubulation because a variety of causes can cause wall unevenness even, common cause has: work as material because mould temperature difference on circumference produces the thick phenomenon in the thin bottom of circumferential upper part 1., even the temperature of cross-sectional periphery equates everywhere, but the material on circumferential section top can hang down toward bottom, forms thin bottom, top thick; 2. when production major diameter goods, melt can produce at this moment molten hang down and makes goods in the thick phenomenon in the thin bottom of this circumferential upper part; 3. due to the difference of the material performance used, what use is the difference of virgin material, feed back or compound, if use same mould, will in mould, produce the difference of melt pressure: higher molten pressure changes the material molecular structure, has affected the service property (quality) of goods; Molten pressure on the low side makes the material intermolecular distance excessive, affected equally the service property (quality) of goods, the structure (shown in accompanying drawing 1) of traditional solid wall pipe mould can't be adjusted, so have a strong impact at last the physical property of goods, the outer surface of solid wall pipe is coarse, causes scrap rate very high.

The utility model content

the purpose of this utility model is to provide a kind of shaping pipe mould, and it has molten pressure adjustable ring, regulates the wall thickness of solid wall pipe by this molten pressure adjustable ring.

for solving the problems of the technologies described above, the utility model adopts following technical scheme:

a kind of shaping pipe mould, this mould comprises the core with feed end and discharge end, fixed cover is located at the tail die sleeve of the periphery of described feed end, be set in the mouth mould of the periphery of described discharge end, be docked at the front die sleeve between described tail die sleeve and described mouth mould, described tail die sleeve, described front die sleeve and described mouthful of mould three fix, the inwall of the outer wall of described core and described tail die sleeve, form an actor's rendering of an operatic tune for Flow of Goods and Materials between the inwall of the inwall of described front die sleeve and described mouthful of mould, the inwall of one end of the close described front die sleeve of described tail die sleeve has the resettlement section that internal diameter enlarges, described resettlement section ringwise and with described tail die sleeve concentric, a molten pressure adjustable ring axle center is arranged in described resettlement section radially adjustablely, be provided with the governor motion of the shaft core position for regulating described molten pressure adjustable ring between described molten pressure adjustable ring and described resettlement section, the internal diameter of described resettlement section is greater than the external diameter of described molten pressure adjustable ring, form the part of described an actor's rendering of an operatic tune between the internal face of described molten pressure adjustable ring and the outside wall surface of described core.

preferably, described governor motion comprises a plurality of telescopic adjustment parts along the circumferential distribution of described resettlement section, each described telescopic adjustment part is all along the radially extension of described resettlement section, and an end in the center of circle of the described resettlement section of sensing of each described telescopic adjustment part all holds out against on the outer wall of described molten pressure adjustable ring.

preferably, described telescopic adjustment part is bolt.

preferably, described molten pressure adjustable ring is clamped between described tail die sleeve and described front die sleeve along direction of axis line.

preferably, the periphery wall of the feed end of described core has the spiral stream guidance groove, and the center of described feed end has charging aperture, and the inclined flow passage circumferentially distributed by a plurality of edges between described charging aperture and described spiral stream guidance groove is connected.

preferably, a plurality of axially extended the first securing member by described feed end between described core and described tail die sleeve fixes, a plurality of axially extended the second securing member by circumferential distribution between described tail die sleeve and described front die sleeve fixes, and a plurality of axially extended the 3rd securing member by circumferential distribution between described front die sleeve and described mouth mould fixes.

the beneficial effects of the utility model are: by axial line, adjustable molten pressure adjustable ring is regulated in real time due to molten vertical phenomenon and the unequal caused solid wall pipe wall unevenness situation of temperature, adjust the shaft core position of molten pressure adjustable ring by the telescopic adjustment part that radially extends setting on the tail die sleeve, to offset the problem of the caused wall unevenness of above-mentioned reason, simple in structure, easy to adjust, effect is remarkable, be equally applicable in large diameter tubulation, the user can form according to different raw materials the adjustable ring that molten pressure is changed suitable internal diameter in an actor's rendering of an operatic tune.

The accompanying drawing explanation

the structural representation that accompanying drawing 1 is the solid wall pipe mould in conventional art;

the structural representation that accompanying drawing 2 is shaping pipe mould of the present utility model.

in accompanying drawing: 1, core; 101, feed end; 102, discharge end; 2, tail die sleeve; 3, mouthful mould; 4, front die sleeve; 5, an actor's rendering of an operatic tune; 6, resettlement section; 7, molten pressure adjustable ring; 8, telescopic adjustment part; 9, spiral stream guidance groove; 10, charging aperture; 11, inclined flow passage; 12, the first securing member; 13, the second securing member; 14, the 3rd securing member.

The specific embodiment

below in conjunction with embodiment shown in the drawings, the utility model is described in detail below:

(direction of arrow wherein means the traffic direction of material) as shown in Figure 2, shaping pipe mould of the present utility model comprises the core 1 with feed end 101 and discharge end 102, fixed cover is located at the tail die sleeve 2 of the periphery of feed end 101, be set in the mouth mould 3 of the periphery of discharge end 102, be docked at the front die sleeve 4 between tail die sleeve 2 and mouthful mould 3, tail die sleeve 2, front die sleeve 4 and mouthful mould 3 threes fix, the inwall of the outer wall of core 1 and tail die sleeve 2, form an actor's rendering of an operatic tune 5 for Flow of Goods and Materials between the inwall of the inwall of front die sleeve 4 and mouthful mould 3, the inwall of one end of the close front die sleeve 4 of tail die sleeve 2 has the resettlement section 6 that internal diameter enlarges, resettlement section 6 ringwise and with tail die sleeve 2 concentrics, molten pressure adjustable ring 7 axle center are arranged in resettlement section 6 in the radial direction adjustable, be provided with the governor motion of the shaft core position for regulating molten pressure adjustable ring 7 between molten pressure adjustable ring 7 and resettlement section 6, the internal diameter of resettlement section 6 is greater than the external diameter of molten pressure adjustable ring 7, form the part of an actor's rendering of an operatic tune 5 between the outside wall surface of the internal face of molten pressure adjustable ring 7 and core 1, governor motion comprises along resettlement section a plurality of telescopic adjustment parts 8 of 6 circumferential distribution, all 6 the radially extensions along resettlement section of each telescopic adjustment part 8, one end in the center of circle of the sensing resettlement section 6 of each telescopic adjustment part 8 all holds out against on the outer wall of molten pressure adjustable ring 7, telescopic adjustment part 8 is bolt, molten pressure adjustable ring 7 is clamped between tail die sleeve 2 and front die sleeve 4 along direction of axis line, the periphery wall of the feed end 101 of core 1 has spiral stream guidance groove 9, feed end 101 center has charging aperture 10, the inclined flow passage 11 circumferentially distributed by a plurality of edges between charging aperture 10 and spiral stream guidance groove 9 is connected, after material flows into by inclined flow passage 11 from charging aperture 10 enters, after entering and be full of annular an actor's rendering of an operatic tune 5 along spiral stream guidance groove 9, form solid wall pipe from flowing out between the discharge end 102 of mouth mould 3 and core 1, a plurality of axially extended the first securing member 12 by feed end 101 between core 1 and tail die sleeve 2 fixes, a plurality of axially extended the second securing member 13 by circumferential distribution between tail die sleeve 2 and front die sleeve 4 fixes, a plurality of axially extended the 3rd securing member 14 by circumferential distribution between front die sleeve 4 and mouthful mould 3 fixes, the first above-mentioned securing member 12, the second securing member 13 and the 3rd securing member 14 are all selected the screw of part screw thread.

in the process of tubulation, according to the thickness of pipe wall situation that goes out material products, adjust the telescopic adjustment part 8 of a corresponding side and a relative side, the lateral deviation that molten pressure adjustable ring 7 is less to wall thickness is moved, balance out the factor that causes deviation, simple in structure, easy to adjust, effect is remarkable, be equally applicable in large diameter tubulation, the user can change according to different raw materials the adjustable ring of suitable internal diameter in the molten pressure of the interior formation of an actor's rendering of an operatic tune 5.

above-described embodiment is only explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit change or modify, within all should being encompassed in protection domain of the present utility model.

Claims

1. a shaping pipe mould, this mould comprises the core with feed end and discharge end, fixed cover is located at the tail die sleeve of the periphery of described feed end, be set in the mouth mould of the periphery of described discharge end, be docked at the front die sleeve between described tail die sleeve and described mouth mould, described tail die sleeve, described front die sleeve and described mouthful of mould three fix, the inwall of the outer wall of described core and described tail die sleeve, form an actor's rendering of an operatic tune for Flow of Goods and Materials between the inwall of the inwall of described front die sleeve and described mouthful of mould, it is characterized in that: the inwall of an end of the close described front die sleeve of described tail die sleeve has the resettlement section that internal diameter enlarges, described resettlement section ringwise and with described tail die sleeve concentric, a molten pressure adjustable ring axle center is arranged in described resettlement section radially adjustablely, be provided with the governor motion of the shaft core position for regulating described molten pressure adjustable ring between described molten pressure adjustable ring and described resettlement section, the internal diameter of described resettlement section is greater than the external diameter of described molten pressure adjustable ring, form the part of described an actor's rendering of an operatic tune between the internal face of described molten pressure adjustable ring and the outside wall surface of described core.

2. shaping pipe mould according to claim 1, it is characterized in that: described governor motion comprises a plurality of telescopic adjustment parts along the circumferential distribution of described resettlement section, each described telescopic adjustment part is all along the radially extension of described resettlement section, and an end in the center of circle of the described resettlement section of sensing of each described telescopic adjustment part all holds out against on the outer wall of described molten pressure adjustable ring.

3. shaping pipe mould according to claim 2, it is characterized in that: described telescopic adjustment part is bolt.

4. shaping pipe mould according to claim 1 and 2, it is characterized in that: described molten pressure adjustable ring is clamped between described tail die sleeve and described front die sleeve along direction of axis line.

5. shaping pipe mould according to claim 4, it is characterized in that: the periphery wall of the feed end of described core has the spiral stream guidance groove, the center of described feed end has charging aperture, and the inclined flow passage circumferentially distributed by a plurality of edges between described charging aperture and described spiral stream guidance groove is connected.

6. shaping pipe mould according to claim 4, it is characterized in that: a plurality of axially extended the first securing member by described feed end between described core and described tail die sleeve fixes, a plurality of axially extended the second securing member by circumferential distribution between described tail die sleeve and described front die sleeve fixes, and a plurality of axially extended the 3rd securing member by circumferential distribution between described front die sleeve and described mouth mould fixes.