CN212822166U - A roll up mould core structure for pipe fitting processing - Google Patents

Abstract

The utility model discloses a supply a roll up mould mold core structure for pipe fitting processing, including the mandril body, die holder, upper die base, the mandril body is established between upper die base and upper die base, its characterized in that: the round core rod body is provided with a die core coiling section and a die core cutting section, one end of the die core rod body is connected with a fixed seat, a longitudinal movable area at one end of the die core rod body is arranged in the position, corresponding to the die core rod body, of the fixed seat, a pressure spring is arranged at the lower part of the die core rod body and connected with the fixed seat, and the fixed seat is fixedly connected with a lower die seat. The mould core structure effectively cooperates with one mould core to complete the procedures of rolling and cutting at the same time, and a plate is formed and processed into a tubular shape and cut off at one time, so that the rolling and cutting processing equipment is simplified, the processing efficiency is improved, and the production cost is reduced. In addition, an air hole is arranged in the waste material groove externally cutting off the mandrel section, and waste materials falling in the waste material groove are blown out of the mandrel through externally connected compressed air in the air hole.

Description

A roll up mould core structure for pipe fitting processing

Technical Field

The utility model relates to the technical field of auto-parts, especially, relate to a book mould core structure that is used for pipe fitting processing for processing of car amortization exhaust straight tube.

Background

With the rapid development of economy, automobiles are gradually popularized in daily life of people, the automobile industry in China is upgraded and faces an inexhaustible opportunity from big to strong, and under the big environment, how to tamp the production foundation of automobile parts, improve the technical innovation capability, reduce the production cost and improve the competitiveness is an important problem for automobile manufacturers in China.

The automobile silencing pipe is one of important spare and accessory parts of an automobile, plays the function of amortization and noise reduction, member brought the comfort on driver and the car, traditional punching press production technology of automobile silencing exhaust system pipe fitting product is for punching a hole, the pre-curling, a plurality of production processes of curling, each process separately operates and processes, equipment in the part punching press production process, mould and personnel cost are than higher, and complicated to curling and cutting equipment, and it is many to divide two equipment to process alone, can not realize two processes simultaneous operation completion curling and cut off especially that a mold core structure cooperation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a roll up mould core structure for pipe fitting processing solves prior art and realizes accomplishing the edge rolling and cut off the process with the same time cooperation with the effective cooperation of a mold core structure. The specific technical scheme is as follows:

the utility model provides a roll up mould core structure for pipe fitting processing, includes mandrel bar body, die holder, upper die base, and the mandrel bar body is established between upper die base and die holder, its characterized in that: the round core rod body is provided with a die core coiling section and a die core cutting section, one end of the die core rod body is connected with a fixed seat, a longitudinal movable area at one end of the die core rod body is arranged in the position, corresponding to the die core rod body, of the fixed seat, a pressure spring is arranged at the lower part of the die core rod body and connected with the fixed seat, and the fixed seat is fixedly connected with a lower die seat.

The cutting core rod section is a hollow core rod.

The upper and lower parts of the winding die core section are correspondingly provided with an upper female die and a lower female die which correspond to an upper semicircle and a lower semicircle, and the upper female die and the lower female die are respectively connected with an upper die base and a lower die base.

The upper and lower parts of the cutting mandrel section are correspondingly provided with a fixed structure semicircle upper concave seat, a semicircle lower concave seat and a cutting mechanism, wherein the fixed structure semicircle upper concave seat, the semicircle lower concave seat and the cutting mechanism are fixed on the circular tube, the cutting mechanism is arranged in the middle of the semicircle upper concave seat, the semicircle upper concave seat is fixedly connected with the upper die base, and the semicircle lower concave seat is fixedly connected with the lower die base.

Cut off the plug section and be equipped with the incision hole corresponding to cutting the mechanism position and be equipped with under, make things convenient for cutting off of mechanism to the pipe fitting.

And a waste material groove is arranged in the middle of the cutting core rod section corresponding to the cutting hole.

The waste material groove of the cutting mandrel section is provided with air holes, and waste materials falling in the waste material groove are blown out of the mandrel through externally connected compressed air in the air holes.

The cutting knife of the cutting mechanism is matched with the extension cutting core rod to cut off the position of the pipe fitting product connecting material, the waste material is pushed into a waste material groove in the extension cutting core rod, and an air hole is formed in the waste material groove. The waste falling in the waste groove is blown out of the core rod by compressed air connected outside in the air hole.

The utility model has the advantages that:

1. the mould core structure effectively cooperates with one mould core to complete the procedures of rolling and cutting at the same time, and a plate is formed and processed into a tubular shape and cut off at one time, so that the rolling and cutting processing equipment is simplified, the processing efficiency is improved, and the production cost is reduced.

2. In addition, an air hole is arranged in the waste material groove externally cutting off the mandrel section, and waste materials falling in the waste material groove are blown out of the mandrel through externally connected compressed air in the air hole.

Drawings

FIG. 1 is a schematic view of a mold opening structure of a rolling mold with the mold core structure of the present invention;

FIG. 2 is a schematic view of the working principle of a rolling die with the rolling die core structure of the present invention;

FIG. 3 is a schematic reference diagram of the structure of the rolling mold core of the present invention;

FIG. 4 is a side view of the present invention;

fig. 5 is a schematic view of the present invention using the edge rolling principle.

In the figure: 6-rolling mandrel, 2-fixing seat, 21-longitudinal moving zone, 26-cutting mechanism, 141-upper concave die, 142-lower concave die, 161-lower concave die, 142-semicircular upper concave seat, 162-semicircular lower concave seat, 32-waste groove, 33-notch hole, 25-plate and 251-forming pipe.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 5, a roll mold core structure for pipe fitting processing includes a mold core rod 6, a lower mold base 19, and an upper mold base 20, the mold core rod 6 is disposed between the upper mold base 20 and the lower mold base 19, the round mold core rod 6 is provided with a roll mold core segment 61 and a cut mold core segment 62, one end of the mold core rod 6 is connected to a fixing base 2, a longitudinal moving area 21 of one end of the mold core rod 6 is disposed inside the fixing base 2 corresponding to the position of the mold core rod 6, a pressure spring is disposed at the lower portion of the mold core rod 6 and connected to the fixing base 2, and the fixing base 2 is fixedly connected to the lower mold base 19.

The cutting mandrel segment 62 is a hollow mandrel.

The upper and lower parts of the winding core section 61 are correspondingly provided with an upper female die 141 and a lower female die 161 which correspond to an upper semicircle and a lower semicircle, and the upper female die 141 and the lower female die 161 are respectively connected with the upper die holder 20 and the lower die holder 19.

The upper and lower parts of the cutting mandrel segment 62 are correspondingly provided with a semicircular upper recess 142, a semicircular lower recess 162 and a splitting mechanism 26 which are fixed to the circular tube, the splitting mechanism 26 is arranged in the middle of the semicircular upper recess 142, the semicircular upper recess 142 is fixedly connected with the upper die holder 20, and the semicircular lower recess 162 is fixedly connected with the lower die holder 19.

The cutting core rod section 62 is provided with a cutting hole 33 right below the position corresponding to the cutting mechanism 26, so that the cutting mechanism 26 can conveniently cut off the pipe fittings.

The cutting core rod segment 62 is provided with a waste material groove 32 corresponding to the middle of the notch hole 33.

The scrap groove 32 of the cutting core rod segment 62 is provided with air holes, and the scrap falling in the scrap groove is blown out of the core rod by externally connected compressed air in the air holes.

The slitting mechanism 26 is provided with a slitting knife (not shown in the drawings) which cooperates with the extended cutting mandrel 62 to sever the tube product at the location where the tube product is to be joined and push the scrap into the scrap receptacle 32 in the extended cutting mandrel 62, the scrap receptacle 32 being provided with an air hole therein. The waste falling in the waste groove is blown out of the core rod by compressed air connected outside in the air hole.

The specific working and processing flow is as follows:

when the device works, the upper die assembly moves downwards, the upper die base is contacted with the raw material 25, the semi-finished product material is attached to the round core rod 6 under the action of the round core rod 6 to form an inverted U-shaped structure, two ends of the semi-finished product material are pressed downwards in the deformation process, the upper die continues to move downwards until the upper die with the round core rod 6 and the inverted semi-finished product material enter the cavity of the lower female die 161, the edge rolling processing of the semi-finished product material is realized, and the pipe 251 is formed;

when the pipe product moves from the left side into the cutting mechanism 26, the upper die of the upper die assembly moves downwards to cut off the pipe product, and the formed automobile silencing exhaust straight pipe is discharged. The two processes are completed by uniformly combining an upper die and a lower die and by using one die core rod.

The mould core structure effectively cooperates with one mould core to complete the procedures of rolling and cutting at the same time, and a plate is formed and processed into a tubular shape and cut off at one time, so that the rolling and cutting processing equipment is simplified, the processing efficiency is improved, and the production cost is reduced.

In addition, an air hole is arranged in the waste material groove externally cutting off the mandrel section, and waste materials falling in the waste material groove are blown out of the mandrel through externally connected compressed air in the air hole.

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.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the invention and for the convenience of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a roll up mould core structure for pipe fitting processing, includes mandrel rod body (6), die holder (19), upper die base (20), and the mandrel rod body (6) are established between upper die base (20) and die holder (19), its characterized in that: the mold core rod body (6) is provided with a mold core rolling section (61) and a mold core cutting section (62), one end of the mold core rod body (6) is connected with the fixed seat (2), the fixed seat (2) is provided with a longitudinal movable area (21) at one end of the mold core rod body (6) corresponding to the position of the mold core rod body (6), the lower part of the mold core rod body (6) is provided with a pressure spring to be connected with the fixed seat (2), and the fixed seat (2) is fixedly connected with the lower die seat (19).

2. The roll die core structure for pipe machining according to claim 1, wherein: the cutting mandrel segment (62) is a hollow mandrel.

3. The roll die core structure for pipe machining according to claim 1, wherein: the upper and lower parts of the winding die core section (61) are correspondingly provided with an upper female die (141) and a lower female die (161) which correspond to upper and lower semicircles, and the upper female die (141) and the lower female die (161) are respectively connected with an upper die base (20) and a lower die base (19).

4. The roll die core structure for pipe machining according to claim 1, wherein: the upper portion and the lower portion of the cutting core rod section (62) are correspondingly provided with a semicircular upper concave seat (142), a semicircular lower concave seat (162) and a splitting mechanism (26) of a fixed structure for fixing the circular tube, the splitting mechanism (26) is arranged in the middle of the semicircular upper concave seat (142), the semicircular upper concave seat (142) is fixedly connected with the upper die holder (20), and the semicircular lower concave seat (162) is fixedly connected with the lower die holder (19).

5. The roll die core structure for pipe machining of claim 4, wherein: cut off plug section (62) be equipped with under corresponding cutting mechanism (26) position and be equipped with incision hole (33), make things convenient for cutting off of cutting mechanism (26) to the pipe fitting.

6. The roll die core structure for pipe machining of claim 5, wherein: and a scrap groove (32) is arranged in the middle of the cutting core rod section (62) corresponding to the notch hole (33).

7. The roll die core structure for pipe machining of claim 5, wherein: air holes are arranged in the waste material groove (32) of the cutting core rod section (62), and waste materials falling in the waste material groove are blown out of the core rod through externally connected compressed air in the air holes.

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