Pipe end forming die

Abstract

The utility model discloses a pipe end forming die which comprises a main body die, a pipe shrinking hole is formed in the inner wall of the main body die, an oil smearing assembly is arranged on the side wall of the main body die, and through the arrangement of the oil smearing assembly, pulling oil can be conveniently and automatically smeared on the surface of a pipeline subjected to pipe shrinking machining. The pipe end firstly enters the inner wall of the restraining box and then passes through the inner wall of the oil smearing cotton during pipe shrinking processing, so that friction is generated between the surface of a pipeline needing pipe shrinking and the inner wall of the oil smearing cotton, stretching oil absorbed in the oil smearing cotton automatically smears the surface of the pipeline needing processing, the manual oil smearing procedure is omitted, the processing risk is reduced, and the production efficiency is improved. And stretching oil is added into the oil storage box, so that the stretching oil in the oil storage box can be conveniently and automatically supplied to the oiling cotton through the conveying pipe, the stretching oil absorbed by the interior of the oiling cotton is kept full, the good lubricating effect is kept, and the service life of the die is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe end processing technical field, concretely is a pipe end forming die. BACKGROUND

[0002] In the pipe end forming processing field, the traditional pipe end forming die has obvious deficiency in the pipe contracting processing link.

[0003] When the traditional pipe end forming die executes the pipe contracting processing, often lack automatic oiling procedure, in the actual production process, this lack will lead to many problems, first, because there is no automatic oiling mechanism, the worker can only manually smear the stretching oil, this mode is not only inefficient, and relatively dangerous, uneven oil film can make the pipe local friction too big, when contracting the pipe, easy to cause the pipe surface scratch, influence the appearance quality and mechanical property of pipe, secondly, manual smearing relies on the experience and operation standard degree of worker, the oil amount and position that different workers smear can exist difference, this will increase the uncertainty in the pipe contracting process, furthermore, in large-scale continuous production, manual oiling can not satisfy the production rhythm, easy to appear because smearing is not in time and leads to the dry friction between the die and pipe, accelerates the die wear and tear, shortens the die service life, therefore, the urgent need of a kind of pipe end forming die to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of pipe end forming die to solve the problem that the traditional pipe end forming die lacks automatic oiling procedure when contracting pipe to the pipe.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of pipe end forming die, including main body mould, the inner wall of the main body mould is provided with pipe contracting hole, the side wall of the main body mould is provided with oiling assembly;

[0006] The oiling assembly includes constraint box, the constraint box is fixedly connected in the side wall of main body mould, the inner wall of the constraint box is fixedly connected with oiling cotton, the surface of the constraint box is provided with oil inlet hole, the inner wall of the oil inlet hole is fixedly connected with conveying pipe, the top surface of the main body mould is fixedly connected with fixed seat, the top surface of the fixed seat is fixedly connected with oil storage box, the inner wall of the oil storage box is provided with oil outlet hole, the inner wall of the oil outlet hole is fixedly connected with the surface of conveying pipe, the inner wall of the oil storage box is conical, the inner wall of the constraint box is provided with multiple oil passing holes, multiple the oil passing holes are matched in size.

[0007] Preferably, the inner wall of the oil storage box is inserted with plug, the plug is of rubber material.

[0008] Preferably, the size of the oiling cotton is matched with the size of the inner wall of the constraint box, and the oiling cotton is of oil-absorbing material.

[0009] Preferably, the surface of the main mold fixed end is provided with a plurality of anti-skid grooves matched in size.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The oil smearing assembly is arranged, so that the pipeline surface subjected to pipe shrinking processing can be automatically smeared with drawing oil, the pipe end first enters the inner wall of the constraint box and then passes through the inner wall of the oil smearing cotton when subjected to pipe shrinking processing, so that the pipeline surface subjected to pipe shrinking processing is rubbed against the inner wall of the oil smearing cotton, the drawing oil absorbed in the oil smearing cotton is automatically smeared on the pipeline surface subjected to processing, manual oil smearing process is saved, processing risk is reduced, and processing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0013] Figure 2 It is a storage oil box structure schematic view of the utility model;

[0014] Figure 3 It is a main body mold sectional structure schematic view of the utility model;

[0015] Figure 4 It is a constraint box structure schematic view of the utility model.

[0016] In the drawing: 1, main body mold; 2, pipe shrinking hole; 3, oil smearing assembly; 301, constraint box; 302, oil smearing cotton; 303, oil inlet hole; 304, fixed seat; 305, storage oil box; 306, conveying pipe; 307, plug; 308, oil outlet hole; 309, oil passing hole; 4, anti-skid groove. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0018] Please refer to Figures 1-4The utility model provides a kind of pipe end forming die, including main mould 1, the inner wall of main mould 1 is equipped with pipe shrinking hole 2, the side wall of main mould 1 is provided with oil wiping assembly 3, oil wiping assembly 3 includes constraint box 301, constraint box 301 is fixedly connected in the side wall of main mould 1, the inner wall of constraint box 301 is fixedly connected with oil wiping cotton 302, the surface of constraint box 301 is equipped with oil inlet hole 303, the inner wall of oil inlet hole 303 is fixedly connected with conveying pipe 306, the top surface of main mould 1 is fixedly connected with fixed seat 304, the top surface of fixed seat 304 is fixedly connected with oil storage box 305, the inner wall of oil storage box 305 is equipped with oil outlet hole 308, the inner wall of oil outlet hole 308 is fixedly connected with the surface of conveying pipe 306, the inner wall of oil storage box 305 is conical arrangement, the inner wall of constraint box 301 is equipped with multiple oil passing holes 309, multiple oil passing holes 309 size match, by the oil wiping assembly 3 of being set, it is convenient to the pipe surface that is carried out pipe shrinking processing is automatically smeared with drawing oil, pipe end is first entered the inner wall of constraint box 301 when being carried out pipe shrinking processing, passes through the inner wall of oil wiping cotton 302, to make the pipe surface that needs to be shrunk and the inner wall of oil wiping cotton 302 produce friction, so that drawing oil absorbed in the inside of oil wiping cotton 302 is automatically smeared to the pipe surface that needs to be processed, to save manual oiling procedure, reduce processing risk, improve processing efficiency, by the oil storage box 305 of being set, drawing oil is added in the inside of oil storage box 305, drawing oil in the inside of oil storage box 305 can be conveniently automatically supplied to oil wiping cotton 302 by conveying pipe 306, so that drawing oil absorbed in the inside of oil wiping cotton 302 is kept full, keeps good lubricating effect, improves mould service life, by the oil passing hole 309 of being set, it is convenient that drawing oil is lubricated to the pipe that needs to be processed by oil passing hole 309.

[0019] Further, the inner wall of oil storage box 305 is inserted with plug 307, plug 307 is rubber material, by the plug 307 of being set, it is convenient to seal oil storage box 305.

[0020] Further, the size of oil wiping cotton 302 matches the size of the inner wall of constraint box 301, oil wiping cotton 302 is oil-absorbing material, by the oil wiping cotton 302 of being set, it is convenient to smear drawing oil on the surface of processing pipe when the pipe to be processed is in friction contact with oil wiping cotton 302.

[0021] Further, the surface of the fixed end of main mould 1 is equipped with multiple anti-skid grooves 4, multiple anti-skid grooves 4 size match, by the anti-skid groove 4 of being set, it is convenient to fix main mould 1.

[0022] Working principle: through the setting of oiling assembly 3, make convenient to carry out the pipe surface automatic smearing of drawing oil of pipe processing, pipe end in carrying out the pipe processing first enters the inner wall of constraint box 301 after through the inner wall of oiling cotton 302, so that the pipe surface that needs to be shrunk pipe and the inner wall of oiling cotton 302 produce friction, so that the drawing oil absorbed inside oiling cotton 302 carries out automatic smearing to the pipe surface that needs to be processed, so as to save manual oiling process, reduce the processing risk, improve the processing efficiency, add the drawing oil in the inside of oil storage box 305, can be convenient to the drawing oil in the inside of oil storage box 305 through the conveying pipe 306 to the automatic supply of oiling cotton 302, so that the drawing oil absorbed inside oiling cotton 302 keeps full, keeps good lubricating effect, improves the service life of mould.

[0023] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A pipe end forming die comprising a body die (1), characterised in that: The inner wall of the main body mold (1) is provided with a shrinkage hole (2), and the side wall of the main body mold (1) is provided with an oil smearing assembly (3); The oil smearing assembly (3) comprises a constraint box (301), the constraint box (301) is fixedly connected to the side wall of the main body mold (1), the inner wall of the constraint box (301) is fixedly connected with an oil smearing cotton (302), the surface of the constraint box (301) is provided with an oil inlet hole (303), the inner wall of the oil inlet hole (303) is fixedly connected with a conveying pipe (306), the top surface of the main body mold (1) is fixedly connected with a fixed seat (304), the top surface of the fixed seat (304) is fixedly connected with an oil storage box (305), the inner wall of the oil storage box (305) is provided with an oil outlet hole (308), the inner wall of the oil outlet hole (308) is fixedly connected with the surface of the conveying pipe (306), the inner wall of the oil storage box (305) is conical, and the inner wall of the constraint box (301) is provided with a plurality of oil passing holes (309), and the sizes of the plurality of oil passing holes (309) are matched.

2. A pipe end forming die according to claim 1, wherein: The inner wall of the oil storage box (305) is inserted with a plug (307), and the plug (307) is made of rubber material.

3. A pipe end forming die according to claim 1, wherein: The size of the oil smearing cotton (302) matches the size of the inner wall of the constraint box (301), and the oil smearing cotton (302) is made of oil-absorbing material.

4. A pipe end forming die according to claim 1, wherein: The surface of the fixed end of the main body mold (1) is provided with a plurality of anti-skid grooves (4), and the sizes of the plurality of anti-skid grooves (4) are matched.

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