CN114798804A - Production device and production method for drawing inclined three-way branch pipe - Google Patents
Production device and production method for drawing inclined three-way branch pipe Download PDFInfo
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- CN114798804A CN114798804A CN202210474668.4A CN202210474668A CN114798804A CN 114798804 A CN114798804 A CN 114798804A CN 202210474668 A CN202210474668 A CN 202210474668A CN 114798804 A CN114798804 A CN 114798804A
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- branch pipe
- pull rod
- hydraulic cylinder
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- inner tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
- B21C37/29—Making branched pieces, e.g. T-pieces
- B21C37/292—Forming collars by drawing or pushing a rigid forming tool through an opening in the tube wall
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- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention discloses a production device for drawing an inclined three-way branch pipe, which comprises a pull rod, a hydraulic cylinder, a platform, a drawing mould, a local heating device and a supporting mechanism, wherein the pull rod is connected with the hydraulic cylinder through a connecting rod; the pipe material is arranged above the supporting mechanism, and the supporting mechanism is arranged above the platform; the drawing mould comprises an inner tube and an outer tube, the inner tube is arranged inside a tube material, the center of the inner tube is provided with a through hole matched with a pull rod, the outer tube is arranged inside a supporting mechanism, a hydraulic cylinder is arranged below a platform and connected with the platform through a base, the pull rod is arranged in the hydraulic cylinder, the pull rod is arranged in a sliding mode with the hydraulic cylinder and the inner tube, a lower clamping block for limiting the hydraulic cylinder and the pull rod is arranged below the hydraulic cylinder, an upper clamping block for limiting the inner tube and the pull rod is arranged above the inner tube, and a local heating device is arranged on one side of the tube material. The production device and the production method for drawing the inclined tee branch pipe can solve the problems of low quality and low production efficiency of inclined tee products.
Description
Technical Field
The invention relates to the technical field of three-way pipes, in particular to a production device and a production method for drawing an inclined three-way branch pipe.
Background
At present, the preparation method of the metal inclined tee joint generally comprises the steps of welding after the metal pipe fittings penetrate at a certain angle and machining after the metal pipe fittings are forged. The metal inclined tee joint is prepared by adopting a welding process, the material utilization rate is relatively high, but the inclined tee joint is low in quality due to the fact that the defects of air holes, impurities and the like are easily formed at a welding seam by using butt fusion welding of metal pipe fittings. In addition, the temperature of the tee joint body is not easy to control during forging, the tee joint body is not in the optimal temperature range required by the tee joint body during forging, the inclined tee joint has quality flaws, the product quality is reduced, and meanwhile the production efficiency is low.
Disclosure of Invention
The invention aims to provide a production device for drawing an inclined tee branch pipe, which solves the problems of low quality and low production efficiency of inclined tee products. The invention also aims to provide a production method of the production device for drawing the inclined three-way branch pipe.
In order to achieve the aim, the invention provides a production device for drawing an inclined three-way branch pipe, which comprises a pull rod, a hydraulic cylinder, a platform, a drawing mould, a local heating device and a supporting mechanism, wherein the pull rod is connected with the hydraulic cylinder; the pipe material is arranged above the supporting mechanism, and the supporting mechanism is arranged above the platform; the drawing mould comprises an inner tube and an outer tube, the inner tube is arranged inside a tube material, the center of the inner tube is provided with a through hole matched with a pull rod, the outer tube is arranged inside a supporting mechanism, a hydraulic cylinder is arranged below a platform, the hydraulic cylinder is connected with the platform through a base, the pull rod is arranged in the hydraulic cylinder, the pull rod slides with the hydraulic cylinder and the inner tube, a lower clamping block for limiting the hydraulic cylinder and the pull rod is arranged below the hydraulic cylinder, an upper clamping block for limiting the inner tube and the pull rod is arranged above the inner tube, and a local heating device is arranged on one side of the tube material.
Preferably, the supporting mechanism includes bottom plate, curb plate, back plate and layer board, the bottom plate relatively fixed is provided with two curb plates, the curb plate top is provided with the layer board, contained angle between layer board and the bottom plate sets up to 45, layer board and curb plate fixed connection, the layer board sets up to the cambered surface, the inner arc of layer board and the external diameter looks adaptation of pipe material, be provided with the back plate between two curb plates, the back plate sets up with the bottom plate is perpendicular, back plate and bottom plate, the curb plate, layer board fixed connection, the bottom plate is provided with the trompil, the layer board is provided with the opening corresponding with the bottom plate trompil, the back plate lower part is provided with the observation hole that is used for observing.
Preferably, the hydraulic cylinder is a hollow hydraulic cylinder, and the pull rod is positioned in the hollow of the hydraulic cylinder and is coaxially arranged with the hydraulic cylinder.
Preferably, the upper portion and the lower portion of the pull rod are respectively provided with a groove, the upper clamping block and the lower clamping block are respectively provided with a notch, the upper clamping block is clamped in the groove in the upper portion of the pull rod, and the lower clamping block is clamped in the groove in the lower portion of the pull rod.
Preferably, the outer tire is circular, the outer tire is fixedly connected to the upper surface of the bottom plate, the diameter of the inner ring of the outer tire is 5-15 mm larger than the outer diameter of the branch pipe, and the upper surface of the inner ring of the outer tire is a cambered surface.
Preferably, a support column is arranged below the platform and fixedly connected with the platform, and the support column is arranged in the mounting groove.
Preferably, the local heating device comprises a heating ring, a heating ring support and an intermediate frequency control box, the heating ring is connected with the intermediate frequency control box through the heating ring support, the heating ring is of an arc-shaped disc structure which is formed by winding a copper pipe and is matched with the radian of the outer surface of the pipe material, and the width of the heating ring is not less than 1.5 times of the nominal outer diameter of the branch pipe.
A production method of a production device for drawing an inclined three-way branch pipe comprises the following steps:
s1, extruding the pipe material into an inclined tee rudiment through a cold extrusion process to obtain an inclined tee semi-finished product, and marking and opening a line at the pipe cap of the inclined tee branch pipe according to the required height of the branch pipe;
s2, placing the supporting mechanism on the upper surface of the platform, welding the base of the hollow hydraulic cylinder on the lower surface of the platform, supporting the platform through the supporting columns, arranging the supporting columns in the mounting grooves, enabling the lower surface of the platform to be flush with or higher than the ground, fixedly connecting the outer tire on the upper surface of the base plate, enabling the pull rod to penetrate through the hollow hydraulic cylinder, the base of the hydraulic cylinder, the platform, the base plate and the outer tire, and limiting the lower part of the pull rod through the lower clamping block;
s3, hoisting the inclined tee joint semi-finished product by using a crown block, enabling the position of a branch pipe to face to the right lower side, adjusting the position of a heating ring by using a heating ring support, covering the position of an opening of the branch pipe, starting an intermediate frequency control box, heating, and stopping heating after heating to a proper temperature;
s4, placing the semi-finished product of the inclined tee on a dragging plate, enabling the branch pipe of the inclined tee to penetrate through an opening of the dragging plate, then enabling a pull rod to penetrate through an inner tube, clamping an upper clamping block on the upper portion of the pull rod, fixing the inner tube, starting a hollow hydraulic cylinder, driving the pull rod to move downwards under the action of a lower clamping block, and driving the inner tube to move downwards through the pull rod, so that the branch pipe is pulled out;
s5, repeating the steps S2-S4, and drawing the next branch pipe.
Preferably, in the step S4, the heating temperature of the carbon steel is 750 ℃ to 850 ℃, the heating temperature of the low alloy steel is 800 ℃ to 900 ℃, the heating temperature of the alloy steel is 900 ℃ to 1000 ℃, and the heating temperature of the stainless steel is 950 ℃ to 1150 ℃.
The production device and the production method of the ground draft collecting pipe have the advantages and positive effects that:
1. the invention adopts the intermediate frequency heating ring to locally heat the opening of the pipe cap of the inclined three-way branch pipe, the heating ring is of an arc disc-shaped structure which is formed by winding a copper pipe and is matched with the radian of the outer surface of a pipe material, the width of the heating ring is not less than 1.5 times of the nominal outer diameter of the branch pipe, the opening of the pipe cap of the inclined three-way branch pipe is favorably and uniformly heated, and the drawing of the branch pipe is favorably realized.
2. The branch pipe is ejected out by adopting a mode of combining local heating with the inner tube and the outer tire, so that the product quality of the inclined three-way branch pipe can be effectively improved, and the production efficiency is improved.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of the apparatus and method for producing a tee bend branch pipe of the present invention;
FIG. 2 is a schematic structural view of a heating device according to an embodiment of the apparatus and method for producing a three-way pipe branch;
FIG. 3 is a schematic view of the inner tube structure of an embodiment of the production device and the production method for drawing the inclined three-way branch tube according to the invention;
FIG. 4 is a schematic view of a lower fixture block structure in an embodiment of a device and a method for producing a tapered three-way branch pipe in accordance with the present invention;
FIG. 5 is a schematic structural diagram of an upper fixture block in an embodiment of a device and a method for producing a tapered three-way branch pipe according to the present invention;
FIG. 6 is a schematic diagram of a front view of an outer tire of an embodiment of a production device and a production method for drawing a tee branch pipe according to the present invention;
FIG. 7 is a schematic top view of an outer tire of an embodiment of a device and a method for producing a three-way pipe according to the present invention;
FIG. 8 is a schematic diagram of a rear plate structure of an embodiment of a device and a method for producing a three-way pipe branch by drawing according to the present invention;
FIG. 9 is a schematic structural diagram of a bottom plate of an embodiment of a production apparatus and a production method for drawing a tee branch pipe according to the present invention;
FIG. 10 is a schematic diagram of a side view of a pallet according to an embodiment of the apparatus and method for producing a tee branch pipe according to the present invention;
fig. 11 is a schematic front view of a pallet in an embodiment of a production apparatus and a production method for drawing a tee branch pipe according to the present invention.
Reference numerals
1. A lower clamping block; 2. a pull rod; 3. a hydraulic cylinder; 4. a base; 5. an outer tire; 6. an inner tube; 7. an upper clamping block; 8. semi-finished products of the inclined tee; 9. a support pillar; 10. a platform; 11. mounting grooves; 12. heating a ring; 13. Heating the ring support; 14. an intermediate frequency control box; 15. a base plate; 16. a side plate; 17. a back plate; 18. and (7) a supporting plate.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
FIG. 1 is a schematic view of the overall structure of an embodiment of the production apparatus and the production method for drawing a tee branch pipe according to the present invention; FIG. 2 is a schematic structural view of a heating device according to an embodiment of the apparatus and method for producing a three-way pipe branch; FIG. 3 is a schematic view of the inner tube structure of an embodiment of the production device and the production method for drawing the inclined three-way branch tube according to the invention; FIG. 4 is a schematic view of a lower fixture block structure in an embodiment of a device and a method for producing a tapered three-way branch pipe in accordance with the present invention; FIG. 5 is a schematic structural diagram of an upper fixture block in an embodiment of a device and a method for producing a tapered three-way branch pipe according to the present invention; FIG. 6 is a schematic diagram of a front view of an outer tire of an embodiment of a production device and a production method for drawing a tee branch pipe according to the present invention; FIG. 7 is a schematic top view of an outer tire of an embodiment of a device and a method for producing a three-way pipe according to the present invention; FIG. 8 is a schematic diagram of a rear plate structure of an embodiment of a device and a method for producing a three-way pipe branch by drawing according to the present invention; FIG. 9 is a schematic structural diagram of a bottom plate of an embodiment of a production apparatus and a production method for drawing a tee branch pipe according to the present invention; FIG. 10 is a schematic diagram of a side view of a pallet according to an embodiment of the apparatus and method for producing a tee branch pipe according to the present invention; fig. 11 is a schematic front view of a pallet in an embodiment of a production apparatus and a production method for drawing a tee branch pipe according to the present invention.
As shown in figure 1, the production device for drawing the inclined three-way branch pipe comprises a pull rod 2, a hydraulic cylinder 3, a platform 10, a drawing mould, a local heating device and a supporting mechanism. The inclined tee semi-finished product 8 is arranged above the supporting mechanism, and the supporting mechanism is arranged above the platform 10. A support column 9 is arranged below the platform 10, the support column 9 is fixedly connected with the platform 10, and the support column 9 is used for fixing and supporting the platform 10. The support column 9 sets up in mounting groove 11, and mounting groove 11 can adopt concrete placement, and platform 10 lower surface is flush or is higher than mounting groove 11, and mounting groove 11 makes the structure of platform 10 and support column 9 more stable.
The drawing mould comprises an inner tube 6 and an outer tube 5. The inner tube 6 is arranged inside the inclined tee semi-finished product 8, and the outer tire 5 is arranged inside the supporting mechanism.
The lower surface of the inner tube 6 is set to be a cambered surface which is beneficial to drawing and forming of the branch tube, the center of the inner tube 6 is provided with a through hole matched with the pull rod 2, the pull rod 2 penetrates through the through hole, and the upper clamping block 7 limits the pull rod 2.
The outer tire 5 is circular, the outer tire 5 is fixedly connected to the upper surface of the bottom plate 15, the diameter of the inner ring of the outer tire 5 is 5-15 mm larger than the outer diameter of the branch pipe, and the upper surface of the inner ring of the outer tire 5 is a cambered surface. The cambered surface is favorable for forming the drawing branch pipe, so that the joint of the branch pipe and the inclined tee joint semi-finished product 8 is smoother.
A hydraulic cylinder 3 is arranged below the platform 10, and the hydraulic cylinder 3 is connected with the platform 10 through a base 4. The pneumatic cylinder 3 is hollow pneumatic cylinder, is provided with pull rod 2 in the pneumatic cylinder 3, and pull rod 2 is located the hollow of pneumatic cylinder 3 and sets up with pneumatic cylinder 3 is coaxial, and pull rod 2 slides with pneumatic cylinder 3 and inner tube 6 and sets up.
The upper portion and the lower portion of the pull rod 2 are provided with grooves, the upper clamping block 7 and the lower clamping block 1 are provided with notches, the upper clamping block 7 is clamped in the groove in the upper portion of the pull rod 2, and the inner tube 6 and the pull rod 2 are limited. The lower clamping block 1 is clamped in a groove at the lower part of the pull rod 2, and limits the hydraulic cylinder 3 and the pull rod 2.
As shown in fig. 8-11, the support mechanism includes a bottom plate 15, side plates 16, a rear plate 17, and a support plate 18. The bottom plate 15 is relatively fixedly provided with two side plates 16, a supporting plate 18 is arranged above the side plates 16, an included angle between the supporting plate 18 and the bottom plate 15 is 45 degrees, and the supporting plate 18 is fixedly connected with the side plates 16. The supporting plate 18 is arranged to be an arc surface, and the inner arc of the supporting plate 18 is matched with the outer diameter of the inclined tee semi-finished product 8. A back plate 17 is arranged between the two side plates 16, the back plate 17 is perpendicular to the bottom plate 15, and the back plate 17 is fixedly connected with the bottom plate 15, the side plates 16 and the supporting plate 18. The bottom plate 15 is provided with an opening, the supporting plate 18 is provided with an opening corresponding to the opening of the bottom plate 15, and the lower part of the rear plate 17 is provided with a viewing hole. The molding condition of the branch pipe can be observed through the observation hole in the drawing process of the branch pipe.
And a local heating device is arranged on one side of the inclined tee joint semi-finished product 8. The local heating device comprises a heating ring 12, a heating ring support 13 and an intermediate frequency control box 14, wherein the heating ring 12 is connected with the intermediate frequency control box 14 through the heating ring support 13, the heating ring 12 is of an arc-shaped disc structure which is formed by winding a copper pipe and is matched with the radian of the outer surface of the pipe material, and the width of the heating ring 12 is not less than 1.5 times of the nominal outer diameter of the branch pipe. The heating device adopts local heating to save energy.
In this embodiment, a 45-degree inclined tee is taken as an example, the pipe material has an outer diameter of 610mm and a thickness of 14.27mm, and the drawn branch pipe has an outer diameter of 323.9mm and a height of 9.53 mm.
S1, extruding the pipe material into an inclined tee rudiment through a cold extrusion process to obtain an inclined tee semi-finished product 8, and marking and opening a line at the pipe cap of the inclined tee branch pipe according to the required height of the branch pipe;
s2, placing a supporting mechanism on the upper surface of a platform 10, welding a base 4 of a hollow hydraulic cylinder 3 on the lower surface of the platform 10, supporting the platform 10 through a supporting column 9, arranging the supporting column 9 in an installation groove 11, enabling the lower surface of the platform 10 to be flush with or higher than the ground, fixedly connecting an outer tire 5 on the upper surface of a bottom plate 15, enabling a pull rod 2 to penetrate through the hollow hydraulic cylinder 3, the hydraulic cylinder base 4, the platform 10, the bottom plate 15 and the outer tire 5, and limiting the lower part of the pull rod 2 through a lower clamping block 1;
s3, hoisting the inclined tee semi-finished product 8 by using a crown block, enabling the position of a branch pipe to face to the right lower side, adjusting the position of a heating ring 12 by using a heating ring support 13, covering the position of an opening of a pipe cap of the branch pipe, starting an intermediate frequency control box 14, heating, and stopping heating after heating to a proper temperature;
s4, placing the semi-finished product 8 of the inclined tee on a dragging plate, enabling the branch pipe of the inclined tee to penetrate through an opening of the dragging plate, then enabling the pull rod 2 to penetrate through the inner tube 6, clamping the upper clamping block 7 on the upper portion of the pull rod 2, fixing the inner tube 6, starting the hollow hydraulic cylinder, driving the pull rod 2 to move downwards under the action of the lower clamping block 1, and driving the inner tube 6 to move downwards through the pull rod 2, so that the branch pipe is pulled out;
and S5, repeating the steps S2-S4, and drawing the next inclined three-way branch pipe.
In step S4, the heating temperature of the carbon steel is 750-850 ℃, the heating temperature of the low alloy steel is 800-900 ℃, the heating temperature of the alloy steel is 900-1000 ℃, and the heating temperature of the stainless steel is 950-1150 ℃. The temperature measurement mode is a thermocouple and an optical temperature measuring instrument. The temperature is general temperature, and if special conditions occur, the temperature is adjusted.
Therefore, the production device and the production method of the collecting pipe can solve the problems of low quality and low production efficiency of the inclined tee joint product.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a apparatus for producing of oblique tee bend branch pipe drawing, its characterized in that: comprises a pull rod, a hydraulic cylinder, a platform, a drawing mould, a local heating device and a supporting mechanism; the pipe material is arranged above the supporting mechanism, and the supporting mechanism is arranged above the platform; the drawing mould comprises an inner tube and an outer tube, the inner tube is arranged inside a tube material, the center of the inner tube is provided with a through hole matched with a pull rod, the outer tube is arranged inside a supporting mechanism, a hydraulic cylinder is arranged below a platform and connected with the platform through a base, the pull rod is arranged in the hydraulic cylinder, the pull rod and the hydraulic cylinder and the inner tube are arranged in a sliding mode, a lower clamping block for limiting the hydraulic cylinder and the pull rod is arranged below the hydraulic cylinder, an upper clamping block for limiting the inner tube and the pull rod is arranged above the inner tube, and a local heating device is arranged on one side of the tube material.
2. The production device for drawing the inclined three-way branch pipe according to claim 1, wherein: the supporting mechanism includes the bottom plate, the curb plate, rear plate and layer board, the bottom plate relatively fixed is provided with two curb plates, the curb plate top is provided with the layer board, contained angle between layer board and the bottom plate sets up to 45, layer board and curb plate fixed connection, the layer board sets up to the cambered surface, the inner arc of layer board and the external diameter looks adaptation of pipe material, be provided with the rear plate between two curb plates, the rear plate sets up with the bottom plate is perpendicular, rear plate and bottom plate, the curb plate, layer board fixed connection, the bottom plate is provided with the trompil, the layer board is provided with the opening corresponding with the bottom plate trompil, the rear plate lower part is provided with the observation hole that is used for observing.
3. The production device for drawing the inclined three-way branch pipe according to claim 1, wherein: the hydraulic cylinder is a hollow hydraulic cylinder, and the pull rod is positioned in the hollow of the hydraulic cylinder and is coaxially arranged with the hydraulic cylinder.
4. The production device for drawing the inclined three-way branch pipe according to claim 1, wherein: the upper portion and the lower portion of the pull rod are respectively provided with a groove, the upper clamping block and the lower clamping block are respectively provided with a notch, the upper clamping block is clamped in the groove in the upper portion of the pull rod, and the lower clamping block is clamped in the groove in the lower portion of the pull rod.
5. The production device for drawing the inclined three-way branch pipe according to claim 1, wherein: the outer tire is circular, the outer tire is fixedly connected to the upper surface of the bottom plate, the diameter of the inner ring of the outer tire is 5-15 mm larger than the outer diameter of the branch pipe, and the upper surface of the inner ring of the outer tire is a cambered surface.
6. The production device for drawing the inclined three-way branch pipe according to claim 1, wherein: the platform below is provided with the support column, support column and platform fixed connection, and the support column setting is in the mounting groove.
7. The production device for drawing the inclined three-way branch pipe according to claim 1, wherein: the local heating device comprises a heating ring, a heating ring support and an intermediate frequency control box, the heating ring is connected with the intermediate frequency control box through the heating ring support, the heating ring is of an arc-shaped disc structure which is formed by winding a copper pipe and is matched with the radian of the outer surface of the pipe material, and the width of the heating ring is not less than 1.5 times of the nominal outer diameter of the branch pipe.
8. The method for producing a device for producing a branch pipe tee according to claims 1 to 7, comprising the steps of:
s1, extruding the pipe material into an inclined tee rudiment through a cold extrusion process to obtain an inclined tee semi-finished product, and marking and opening a line at the pipe cap of the inclined tee branch pipe according to the required height of the branch pipe;
s2, placing the supporting mechanism on the upper surface of the platform, welding the base of the hollow hydraulic cylinder on the lower surface of the platform, supporting the platform through the supporting columns, arranging the supporting columns in the mounting grooves, enabling the lower surface of the platform to be flush with or higher than the ground, fixedly connecting the outer tire on the upper surface of the base plate, enabling the pull rod to penetrate through the hollow hydraulic cylinder, the base of the hydraulic cylinder, the platform, the base plate and the outer tire, and limiting the lower part of the pull rod through the lower clamping block;
s3, hoisting the inclined tee joint semi-finished product by using a crown block, enabling the position of a branch pipe to face to the right lower side, adjusting the position of a heating ring by using a heating ring support, covering the position of an opening of the branch pipe, starting an intermediate frequency control box, heating, and stopping heating after heating to a proper temperature;
s4, placing the semi-finished product of the inclined tee on a planker, enabling the branch pipe of the inclined tee to penetrate through an opening of the planker, then enabling the pull rod to penetrate through the inner tube, enabling an upper clamping block to be clamped at the upper part of the pull rod, fixing the inner tube, starting a hollow hydraulic cylinder, driving the pull rod to move downwards under the action of a lower clamping block, and driving the inner tube to move downwards through the pull rod, so that the branch pipe is pulled out;
s5, repeating the steps S2-S4, and drawing the next branch pipe.
9. The production device for drawing the inclined three-way branch pipe according to claim 8, wherein: in the step S4, the heating temperature of the carbon steel is 750-850 ℃, the heating temperature of the low alloy steel is 800-900 ℃, the heating temperature of the alloy steel is 900-1000 ℃, and the heating temperature of the stainless steel is 950-1150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210474668.4A CN114798804A (en) | 2022-04-29 | 2022-04-29 | Production device and production method for drawing inclined three-way branch pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210474668.4A CN114798804A (en) | 2022-04-29 | 2022-04-29 | Production device and production method for drawing inclined three-way branch pipe |
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| Publication Number | Publication Date |
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| CN114798804A true CN114798804A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210474668.4A Pending CN114798804A (en) | 2022-04-29 | 2022-04-29 | Production device and production method for drawing inclined three-way branch pipe |
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| CN (1) | CN114798804A (en) |
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2022
- 2022-04-29 CN CN202210474668.4A patent/CN114798804A/en active Pending
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