CN210966519U

CN210966519U - Bellows production mould

Info

Publication number: CN210966519U
Application number: CN201922124565.1U
Authority: CN
Inventors: 王展伟
Original assignee: Hainan Xingwei Plastic Technology Co ltd
Current assignee: Hainan Xingwei Plastic Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-07-10
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a bellows production mould, which comprises a housin, the top is provided with the spacing groove in the casing, the bottom is provided with the spout in the casing, be provided with first mould and second mould in the middle of spacing groove and the spout, the arc that indent was personally submitted with second mould opposite side to first mould and evenly be provided with the die, the arc that indent was personally submitted with first mould opposite side to second mould and evenly is provided with the die, be provided with a section of thick bamboo core in the middle of the arc of two indents of first mould and second mould, section of thick bamboo core external diameter muffjoint has rubber sleeve, rubber sleeve surface evenly is provided with the terrace die. The utility model discloses in, at first mould and second mould fold, through the extrusion between the terrace die on the die on first mould and the second mould and the rubber sleeve, make the poor control of wall thickness of bellows that takes shape at very little within range, improved the machining precision of bellows, be worth wideling popularize.

Description

Bellows production mould

Technical Field

The utility model relates to a mould production field especially relates to a bellows production mould.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like.

The key technology of corrugated pipe production is a corrugated forming technology, namely a corrugated pipe production mold, but the corrugated pipe produced by using a seamless pipe blank in the existing corrugated pipe production mold is often large in wall thickness difference and low in machining precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a corrugated pipe production mold.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a corrugated pipe production mold comprises a shell, wherein a limiting groove is arranged at the top in the shell, a sliding groove is arranged at the bottom in the shell, a first mold and a second mold are arranged between the limiting groove and the sliding groove, positioning blocks are fixedly connected to the end faces, corresponding to the limiting groove, of the tops of the first mold and the second mold, and are in sliding connection with the limiting groove, sliding blocks are fixedly connected to the end faces, corresponding to the sliding groove, of the bottoms of the first mold and the second mold, sliding connections are formed between the sliding blocks and the sliding groove, concave molds are uniformly arranged on the side, opposite to the first mold and the second mold, of the second mold, the outer surface of the rubber sleeve is uniformly provided with male dies which correspond to the female dies on the side surfaces of the first die and the second die one by one, the outer side surface of the first die is fixedly connected with one end of the first ejector block, the outer wall of the shell body adjacent to the first die is fixedly connected with a first motor, a first push rod is arranged in the first motor, the first push rod extends outwards to form the first motor, the first push rod penetrates through the side wall of the shell and extends inwards to be fixedly connected to the other end of the first ejector block, the outer side surface of the second die is fixedly connected with one end of the second ejector block, the outer wall of the shell body adjacent to the second die is fixedly connected with a second motor, and a second push rod is arranged in the second motor, extends outwards to form the second motor, penetrates through the side wall of the shell and extends inwards to be fixedly connected to the other end of the second ejector block.

As a further description of the above technical solution:

the female die on the side surface of the first die and the female die on the side surface of the second die are semi-circles with the same diameter and are opposite to each other.

As a further description of the above technical solution:

the male die is a convex circular ring, the female die is annular concave, and the diameter of the concave ring of the female die is slightly larger than that of the convex circular ring of the male die.

As a further description of the above technical solution:

the diameter of a circle formed by concave arcs on the side surfaces of the first die and the second die is slightly larger than that of the rubber sleeve.

As a further description of the above technical solution:

the front end and the rear end of the shell are opened, and two side walls of the shell are connected with the joint of the first push rod and the second push rod in a sliding mode.

As a further description of the above technical solution:

the centers of the first motor and the first die and the centers of the second motor and the second die are all positioned on the same straight line.

The utility model discloses following beneficial effect has:

the utility model discloses in, at first overlap seamless pipe on rubber sleeve, then send into the barrel core in the middle of first mould and the second mould in the casing, open first motor and second motor, make first mould and second mould fold, through the extrusion between the terrace die on the die on first mould and the second mould and the rubber sleeve, make seamless pipe form the corrugate, then first mould and second mould separate, pull out the casing with the barrel core, take off the bellows after taking shape and rubber sleeve from the barrel core together, take out rubber sleeve from the bellows at last again, because even extrusion between terrace die and the die when the ripple shaping, make the wall thickness difference control of bellows that takes shape at very little within range, the machining precision of bellows has been improved, be worth wideling popularize.

Drawings

Fig. 1 is a top view of a mold for manufacturing corrugated pipes according to the present invention;

fig. 2 is a side view of a mold for manufacturing corrugated pipes according to the present invention;

fig. 3 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. a housing; 2. a chute; 3. a first motor; 4. a first push rod; 5. a first top block; 6. a first mold; 7. a rubber sleeve; 8. a second mold; 9. a second motor; 10. a second push rod; 11. a second top block; 12. a limiting groove; 13. a male die; 14. positioning blocks; 15. a slider; 16. a barrel core; 17. and (5) forming a concave die.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a corrugated pipe production mold comprises a shell 1, a limiting groove 12 is arranged at the top in the shell 1, a sliding groove 2 is arranged at the bottom in the shell 1, a first mold 6 and a second mold 8 are arranged between the limiting groove 12 and the sliding groove 2, positioning blocks 14 are fixedly connected to the top end surfaces of the first mold 6 and the second mold 8 corresponding to the limiting groove 12, the positioning blocks 14 are connected with the limiting groove 12 in a sliding manner, sliding blocks 15 are fixedly connected to the bottom end surfaces of the first mold 6 and the second mold 8 corresponding to the sliding groove 2, the sliding blocks 15 are connected with the sliding groove 2 in a sliding manner, so that the first mold 6 and the second mold 8 can slide left and right between the sliding groove 2 and the limiting groove 12, concave molds 17 are uniformly arranged on the side surfaces of the first mold 6 and the second mold 8, concave molds 17 are uniformly arranged on the side surfaces of the second mold 8 opposite to the first mold 6, a cylinder core 16 is arranged between two concave arc shapes of a first mold 6 and a second mold 8, a rubber sleeve 7 is connected to the outer diameter sleeve of the cylinder core 16, male molds 13 are uniformly arranged on the outer surface of the rubber sleeve 7, the male molds 13 correspond to female molds 17 on the side surfaces of the first mold 6 and the second mold 8 one by one, the outer side surface of the first mold 6 is fixedly connected to one end of a first ejector block 5, a first motor 3 is fixedly connected to the outer wall of the adjacent side surface of the shell 1 and the first mold 6, a first push rod 4 is arranged in the first motor 3, the first push rod 4 extends outwards to form a first motor 3, the first push rod 4 penetrates through the side wall of the shell 1 and extends inwards to form a fixed connection with the other end of the first ejector block 5, so that the first motor 3 can pull or push the first mold 6 through the first push rod 4, the outer side surface of the second mold 8 is fixedly connected to one end of a second ejector block 11, and the outer wall, a second push rod 10 is arranged in the second motor 9, the second push rod 10 extends outwards to form the second motor 9, the second push rod 10 penetrates through the side wall of the shell 1 and extends inwards to be fixedly connected to the other end of the second ejector block 11, and therefore the second motor 9 can pull or push the second mold 8.

The concave die 17 on the side of the first die 6 and the concave die 17 on the side of the second die 8 are semicircles with the same diameter and are opposite to each other, when the first die 6 and the second die 8 are closed, the female die 17 is in a complete circle shape, and the male die 13 is a convex circular ring, the concave die 17 is annular concave, the diameter of the concave ring of the concave die 17 is slightly larger than that of the convex ring of the convex die 13, the diameter of the circle formed by the concave arc shapes on the side surfaces of the first die 6 and the second die 8 is slightly larger than that of the rubber sleeve 7, so that the seamless tube blank in the middle is corrugated, finally, the front end and the rear end of the shell 1 are opened, the two side walls are connected with the joint of the first push rod 4 and the second push rod 10 in a sliding way, and the centers of the first motor 3 and the first die 6 and the centers of the second motor 9 and the second die 8 are all positioned on the same straight line, so that the effective power of the first motor 3 and the second motor 9 can be maximized.

The working principle is as follows: firstly, sleeving a seamless tube blank outside a male die 13 on a rubber sleeve 7, then feeding a tube core 16 together with the rubber sleeve 7 and the tube blank into a shell 1, placing the shell between a first die 6 and a second die 8, aligning the male die 13 with female dies 17 on the first die 6 and the second die 8, then starting a first motor 3 to push a first push rod 4, further pushing a first ejector block 5 and the first die 6, simultaneously starting a second motor 9 to push a second push rod 10, further pushing a second ejector block 11 and the second die 8, enabling the first die 6 and the second die 8 to move relatively and close, enabling the tube wall of the seamless tube blank to be corrugated by extrusion between the female dies 17 on the first die 6 and the second die 8 and the male die 13 on the rubber sleeve 7, then pulling the first die 6 by the first motor 3, pulling the second die 8 by the second motor 9, enabling the first die 6 and the second die 8 to be separated, the tube core 16 together with the corrugated tube after corrugation forming is removed from the housing 1, the corrugated tube and the rubber sleeve 7 are taken off from the tube core 16, and then the rubber sleeve 7 is taken out from the corrugated tube, so that a finished corrugated tube product can be obtained.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A bellows production mould, includes casing (1), its characterized in that: the top in the shell (1) is provided with a limiting groove (12), the bottom in the shell (1) is provided with a sliding groove (2), a first die (6) and a second die (8) are arranged between the limiting groove (12) and the sliding groove (2), the top of the first die (6) and the top of the second die (8) are fixedly connected with a positioning block (14) on the end surface corresponding to the limiting groove (12), the positioning block (14) is slidably connected with the limiting groove (12), the bottom of the first die (6) and the bottom of the second die (8) are fixedly connected with a sliding block (15) on the end surface corresponding to the sliding groove (2), the sliding block (15) is slidably connected with the sliding groove (2), the opposite sides of the first die (6) and the second die (8) are inwards concave arc and are evenly provided with concave dies (17), the opposite sides of the second die (8) and the first concave die (6) are arc and evenly provided with concave dies (17), a barrel core (16) is arranged between two concave arc shapes of the first mold (6) and the second mold (8), the outer diameter of the barrel core (16) is connected with a rubber sleeve (7) in a sleeved mode, a male mold (13) is evenly arranged on the outer surface of the rubber sleeve (7), the male mold (13) corresponds to female molds (17) on the side surfaces of the first mold (6) and the second mold (8) one by one, the outer side surface of the first mold (6) is fixedly connected to one end of a first ejector block (5), a first motor (3) is fixedly connected to the outer wall of the side surface of the shell (1) adjacent to the first mold (6), a first push rod (4) is arranged in the first motor (3), the first motor (3) extends outwards from the first push rod (4), the first push rod (4) penetrates through the side wall of the shell (1) and extends inwards to be fixedly connected to the other end of the first ejector block (5), lateral surface fixed connection of second mould (8) is in the one end of second kicking block (11), casing (1) and the adjacent side outer wall fixedly connected with second motor (9) of second mould (8), be provided with second push rod (10) and second push rod (10) in second motor (9) and outwards extend second motor (9), second push rod (10) run through casing (1) lateral wall and inwards extend fixed connection at the other end of second kicking block (11).

2. A bellows production die according to claim 1, wherein: the female die (17) on the side surface of the first die (6) and the female die (17) on the side surface of the second die (8) are semi-circles with the same diameter and are opposite to each other.

3. A bellows production die according to claim 1, wherein: the male die (13) is a convex circular ring, the female die (17) is annularly concave, and the diameter of the concave ring of the female die (17) is slightly larger than that of the convex circular ring of the male die (13).

4. A bellows production die according to claim 1, wherein: the diameter of a circle formed by inwards concave arcs on the side surfaces of the first die (6) and the second die (8) is slightly larger than that of the rubber sleeve (7).

5. A bellows production die according to claim 1, wherein: the front end and the rear end of the shell (1) are opened, and two side walls are connected with the joint of the first push rod (4) and the second push rod (10) in a sliding manner.

6. A bellows production die according to claim 1, wherein: the centers of the first motor (3) and the first die (6) and the centers of the second motor (9) and the second die (8) are all positioned on the same straight line.