CN210788632U

CN210788632U - Finish-drawing steel pipe die

Info

Publication number: CN210788632U
Application number: CN201921756270.XU
Authority: CN
Inventors: 王义萍
Original assignee: Wuxi Sute Special Steel Pipe Co ltd
Current assignee: Wuxi Sute Special Steel Pipe Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-19
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a finish draw steel pipe mould, including the die holder, the surface of die holder both sides is provided with positioning channel section, the surface of die holder bottom is provided with the bolt locating hole, and the bolt locating hole has four, the inside die holder chamber that is provided with of die holder, the surface of die holder chamber both sides all is provided with side position fixed orifices, and side position fixed orifices has two, the internally mounted in die holder chamber has the mould endosome, the surface of mould endosome is provided with fixed spacing groove, and fixed spacing groove has two, the mould ectosome is installed to one side of mould endosome, the inside of mould ectosome is provided with the inner chamber, the mould mouth is installed to the one end of inner chamber, the inboard surface of mould mouth is provided with the model chimb, the surface mounting of mould mouth has the mould inner wall. The utility model discloses a positioning groove that the die holder both sides set up carries out the fixed of position, avoids the removal to influence the work piece processing when using.

Description

Finish-drawing steel pipe die

Technical Field

The utility model relates to a steel pipe mould makes processing technology field, specifically is a steel pipe mould is pulled out to essence.

Background

Cold drawn steel tubes are one type of steel tubes, i.e., they are classified into different categories according to the production process, different from hot rolled tubes. The method is characterized in that the method is formed by cold drawing for multiple times in the process of expanding the blank or the raw material pipe, and the cold drawing is usually carried out on a single-chain type or double-chain type cold drawing machine with the temperature of 0.5-100T. The cold-rolled steel pipe comprises a carbon thin-wall steel pipe, an alloy thin-wall steel pipe, a stainless thin-wall steel pipe and a special-shaped steel pipe besides a common steel pipe, a low-medium pressure boiler steel pipe, a high-pressure boiler steel pipe, an alloy steel pipe, a stainless steel pipe, a petroleum cracking pipe, a machining pipe, a thick-wall pipe and a small-caliber inner die cold-drawn pipe. At present, the drawing method in production can be roughly divided into 3 types: the reducing outer wall drawing pipe and the reducing inner wall drawing pipe are characterized in that during cold drawing, a steel pipe is correspondingly deformed under the action of drawing force, positive pressure and friction force, the steel pipe mostly passes through 3 stages of reducing diameter, reducing wall and sizing, corresponding stress is generated inside a deformation region, wherein the axial direction is tensile stress, the radial direction and the circumferential direction are compressive stress, and metal is in a one-direction drawing and two-direction compressive stress state in the pipe drawing process, which is the basic mechanical characteristic of the cold drawing pipe in the deformation process.

However, the service life of the existing processing die is reduced due to long-time pressure bearing, and the existing processing die is not easy to disassemble and assemble; therefore, the existing requirements are not met, and a fine drawing steel pipe die is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel pipe mould is pulled out to the mold processing who proposes in solving above-mentioned background art leads to life to reduce because of bearing pressure for a long time, is difficult for carrying out dismouting scheduling problem moreover.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a finish draw steel pipe mould, includes the die holder, the surface of die holder both sides is provided with positioning channel section, the surface of die holder bottom is provided with the bolt locating hole, and the bolt locating hole has four, the inside die holder chamber that is provided with of die holder, the surface of die holder chamber both sides all is provided with the side position fixed orifices, and the side position fixed orifices has two, the internally mounted in die holder chamber has the mould endosome, the surface of mould endosome is provided with fixed spacing groove, and fixed spacing groove has two, the mould ectosome is installed to one side of mould endosome, the inside of mould ectosome is provided with the inner chamber, the mould mouth is installed to the one end of inner chamber, the inboard surface in mould mouth is provided with the model chimb, the surface mounting of mould mouth has the mould inner wall, the surface mounting of mould inner wall has.

Preferably, the diameter of the side position fixing hole is three millimeters, the inner diameter of the fixed limiting groove is three millimeters, and the side position fixing hole is connected with the fixed limiting groove through a fixing rod.

Preferably, the inner diameter of the bolt positioning hole is five millimeters, and the width of the positioning clamping groove is four millimeters.

Preferably, the diameter of the inner wall of the die is thirteen millimeters, the thickness of the inner wall of the die is one millimeter, the diameter of the outer wall of the die is two or twenty millimeters, and the thickness of the outer wall of the die is three millimeters.

Preferably, the die holder has a height of ten millimeters and the die holder cavity has a diameter of thirty millimeters.

Preferably, the height of the inner die body is seven millimeters, the height of the outer die body is thirty millimeters, and the diameter of the inner cavity is fifteen millimeters.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is convenient to operate and use by fixedly connecting the bolt positioning hole arranged at the bottom of the die holder with the workbench;

2. the utility model fixes the position through the positioning clamping grooves arranged on the two sides of the die holder, thereby avoiding the influence of the movement on the processing of the workpiece when in use;

3. the utility model controls and selects the shape of the produced steel pipe through the model convex edge arranged at the die opening, and can be replaced according to different requirements;

4. the utility model discloses a side position fixed orifices and fixed spacing groove carry out fixed connection between to die holder and mould, and convenient to use person installs and dismantles.

Drawings

FIG. 1 is an overall front view of a finish drawing steel tube mold of the present invention;

FIG. 2 is a top view of the fine drawing die for steel pipes according to the present invention;

FIG. 3 is a schematic structural view of the bottom of a steel pipe fine-drawing mold of the present invention;

fig. 4 is an explosion diagram of the fine drawing steel tube mold of the present invention.

In the figure: 1. a die holder; 2. side position fixing holes; 3. positioning the clamping groove; 4. a mold outer body; 5. an inner cavity; 6. a die opening; 7. the inner wall of the mould; 8. bolt positioning holes; 9. an outer wall of the mold; 10. a model flange; 11. a mold inner body; 12. fixing a limit groove; 13. a die holder cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a steel pipe fine-drawing die comprises a die holder 1, positioning clamping grooves 3 are formed in the outer surfaces of two sides of the die holder 1, the die holder 1 is fixed, bolt positioning holes 8 are formed in the surface of the bottom end of the die holder 1 and are connected and fixed through the bolt positioning holes 8 by bolts, four bolt positioning holes 8 are formed in the die holder 1, die holder cavities 13 are formed in the die holder 1, side fixing holes 2 are formed in the surfaces of two sides of each die holder cavity 13, two side fixing holes 2 are formed in the side fixing holes 2, a die inner body 11 is installed in each die holder cavity 13, fixing limiting grooves 12 are formed in the outer surface of each die inner body 11, two fixing limiting grooves 12 are formed in each die outer body 4, an inner cavity 5 is formed in each die outer body 4, a machining workpiece is machined through the inner cavity 5, a die opening 6 is installed at one end of each inner cavity 5, and a die convex edge, the shape of the processed workpiece is controlled and selected through the model convex edge 10, the inner die wall 7 is arranged on the outer surface of the die opening 6, and the outer die wall 9 is arranged on the outer surface of the inner die wall 7 to protect the inner cavity 5 and the inner die wall 7.

Further, the diameter of side position fixed orifices 2 is three millimeters, and the internal diameter of fixed spacing groove 12 is three millimeters, and side position fixed orifices 2 passes through the dead lever with fixed spacing groove 12 and is connected.

Further, the inner diameter of the bolt positioning hole 8 is five millimeters, and the bolt is used for connecting and fixing the die holder 1 and the workbench through the bolt positioning hole 8; the width of the positioning clamping groove 3 is four millimeters, and the positioning clamping groove 3 can fix the die holder 1 to prevent shaking during machining.

Further, the diameter of the inner wall 7 of the mold is thirteen millimeters, and the thickness of the inner wall 7 of the mold is one millimeter; the diameter of mould outer wall 9 is two twenty millimeters, and the thickness of mould outer wall 9 is three millimeters, and mould outer wall 9 has promoted the security for mould inner wall 7 provides the protection.

Further, the height of die holder 1 is ten millimeters, and the diameter of die holder chamber 13 is thirty millimeters, satisfies the operation of most of workstations and uses, has promoted the practicality.

Further, the height of the inner die body 11 is seven millimeters, the height of the outer die body 4 is thirty millimeters, and the diameter of the inner cavity 5 is fifteen millimeters, so that the carrying and the use are convenient, and the convenience is improved.

The working principle is as follows: during the use, at first inspect the utility model discloses the part has or not impaired and the disappearance condition, the back is accomplished in the inspection, the user can select required model chimb 10 according to the in service behavior of difference, install mould endosome 11 alignment die holder chamber 13, the connecting rod is connected fixedly with mould endosome 11 and die holder chamber 13 through side position fixed orifices 2 and fixed spacing groove 12, then install between die holder 1 and the workstation, be connected positioning slot 3 and the spud pile on the workstation, adjust accurate position to bolt locating hole 8 again, fix it through the bolt, start-up the workstation at last and begin to process, the processing work piece is through inner chamber 5, obtain the product from mould mouth 6, the utility model discloses an it is made wholly to adopt carbide material, and overall height is forty millimeters.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a finish draw steel pipe mould, includes die holder (1), its characterized in that: the die comprises a die holder (1), wherein the outer surfaces of two sides of the die holder (1) are provided with positioning clamping grooves (3), the surface of the bottom end of the die holder (1) is provided with four bolt positioning holes (8), the surfaces of two sides of the die holder cavity (13) are provided with two side fixing holes (2), the side fixing holes (2) are provided with two, a die inner body (11) is arranged in the die holder cavity (13), the outer surface of the die inner body (11) is provided with two fixing limiting grooves (12), the die outer body (4) is arranged on one side of the die inner body (11), the inner cavity (5) is arranged in the die outer body (4), one end of the inner cavity (5) is provided with a die opening (6), the inner surface of the die opening (6) is provided with a model convex edge (10), the outer surface mounting of mould mouth (6) has mould inner wall (7), the outer surface mounting of mould inner wall (7) has mould outer wall (9).

2. The die for finely drawing a steel pipe according to claim 1, wherein: the diameter of side position fixed orifices (2) is three millimeters, the internal diameter of fixed spacing groove (12) is three millimeters, side position fixed orifices (2) are connected through the dead lever with fixed spacing groove (12).

3. The die for finely drawing a steel pipe according to claim 1, wherein: the inner diameter of the bolt positioning hole (8) is five millimeters, and the width of the positioning clamping groove (3) is four millimeters.

4. The die for finely drawing a steel pipe according to claim 1, wherein: the diameter of the inner wall (7) of the die is thirteen millimeters, the thickness of the inner wall (7) of the die is one millimeter, the diameter of the outer wall (9) of the die is two-point twenty millimeters, and the thickness of the outer wall (9) of the die is three millimeters.

5. The die for finely drawing a steel pipe according to claim 1, wherein: the height of the die holder (1) is ten millimeters, and the diameter of the die holder cavity (13) is thirty millimeters.

6. The die for finely drawing a steel pipe according to claim 1, wherein: the height of the inner die body (11) is seven millimeters, the height of the outer die body (4) is thirty millimeters, and the diameter of the inner cavity (5) is fifteen millimeters.