CN221365836U

CN221365836U - Corrugated pipe die

Info

Publication number: CN221365836U
Application number: CN202323457620.1U
Authority: CN
Inventors: 蒋亨雷; 韩旁军; 张浙波; 类朝军
Original assignee: Zhejiang Junhe Technology Co ltd
Current assignee: Zhejiang Junhe Technology Co ltd
Priority date: 2023-12-18
Filing date: 2023-12-18
Publication date: 2024-07-19
Anticipated expiration: 2033-12-18

Abstract

The application relates to the technical field of tool cutting, in particular to a corrugated pipe die which comprises a die pipe and a connecting column which are coaxially arranged, wherein the die pipe is provided with a forming part and a connecting part, the connecting column is fixedly connected with the connecting part of the die pipe, the forming part comprises at least two die areas which are adjacently arranged, and the circumferential ring of each die area is provided with corrugations for forming blanks. The application has the effect of improving the production efficiency of the corrugated pipe.

Description

Corrugated pipe die

Technical Field

The application relates to the technical field of tool cutting, in particular to a corrugated pipe die.

Background

The corrugated pipe is a connecting pipeline which stretches and contracts along the axial direction between adjacent pipe sections, plays roles in shock absorption and displacement buffering for an air inlet system of an automobile engine, and is widely applied to a turbo-charging air inlet system.

The corrugated pipe is generally formed by arranging a blank on a rod-shaped mold in a ring, shaping the blank on the mold through the processes of heating, vulcanization reaction and the like, and then removing the shaped corrugated pipe from the mold to finish the preparation process of the corrugated pipe.

Existing dies are typically only used for the preparation of individual bellows, resulting in lower production efficiency of the bellows.

Disclosure of utility model

In order to improve the production efficiency of the corrugated pipe, the application provides a corrugated pipe die.

The application provides a corrugated pipe die which adopts the following technical scheme:

The utility model provides a bellows mould, includes the mould pipe and the spliced pole of coaxial setting, the mould pipe has shaping portion and connecting portion, the spliced pole with fixed connection between the connecting portion of mould pipe, shaping portion includes two at least moulding-die areas that set up adjacently, every circumference ring is equipped with the ripple that supplies blank shaping on the moulding-die area.

By adopting the technical scheme, the forming part of the die pipe is used for winding and forming the blank, and the connecting part is used for being connected with the connecting column. The connecting column is fixedly connected with the die pipe, and can be used for connecting the die pipe on a setting machine, so that the blank is vulcanized and set, and the subsequent cutting and the like are performed. The arrangement of a plurality of compression mold areas on the mold tube realizes the effect that a single mold tube produces a plurality of corrugated pipes, and improves the production efficiency of the corrugated pipes.

Optionally, the connecting column is provided with an air suction hole, the air suction hole is formed along the central axis of the connecting column, the mould pipe is provided with a plurality of air exhaust holes along the length direction, and the air suction hole and each air exhaust hole are mutually communicated with the inside of the mould pipe.

Through adopting above-mentioned technical scheme, connect the bellows mould on the forming machine under the action of the cooperation of the bleeder vent of seting up on the spliced pole and a plurality of exhaust holes of seting up on the mould pipe, can take out the air between blank and the mould pipe for form the vacuum state between blank and the mould pipe, be favorable to the blank to mould fixedly on the mould pipe.

Optionally, the corrugation includes a convex ring and a ring groove, each convex ring is adjacent to each ring groove and is arranged at intervals, and each vent hole is arranged at the bottom of each ring groove.

Through adopting above-mentioned technical scheme, bulge loop and the annular of interval setting for the ripple plays the effect of shaping to the blank. In the vacuum pumping process of the blank, as the surface tension of the blank at the convex ring is larger, the vent holes are formed at the convex ring, so that the blank is easy to damage, and the rejection rate of the blank is improved. Compared with the scheme that the vent holes are formed in the convex ring, the vent holes formed in the annular groove have lower influence on the blank, and are beneficial to improving the production efficiency of the corrugated pipe.

Optionally, at least two exhaust holes are formed in each ring groove along the circumferential direction of the die pipe.

By adopting the technical scheme, in the process of vacuum air extraction, the vent holes are circumferentially formed in the annular groove, so that the stress on the periphery of the blank can be close to a balance state.

Optionally, cutting grooves are formed at two ends of each die pressing area, and the cutting grooves are circumferentially formed on the outer side wall of the die pipe.

Through adopting above-mentioned technical scheme, the bellows is accomplished and is taken shape the back and need cut a plurality of adjacent pipeline sections, and the cutting tool bit can block into the cutting groove in carrying out the segmentation operation, and the seting up of cutting groove for the segmentation process of bellows can be more smooth, prevents the burr that the feed is not in place and the condition that the edge was not broken away from completely even that produces, is favorable to improving the production efficiency of bellows.

Optionally, the mould pipe keep away from fixedly connected with spacing ring on the inner wall of spliced pole one end, the butt is provided with the sealing washer on the spacing ring, the sealing washer with contradict between the inside wall of mould pipe and be connected, the sealing washer with the port position of mould pipe flushes mutually.

Through adopting above-mentioned technical scheme, be provided with on the forming machine and be used for contradicting the location boss of being connected between mould, the setting of sealing washer can make between mould and the location boss seal, improves the inside sealed effect of mould pipe, is favorable to improving the leakproofness in the vacuum pumping process. The setting of spacing ring can play spacing effect to the sealing washer, prevents that the sealing washer from receiving the tight power of support of location boss and being extruded into to the inside depths of mould pipe, and the setting of spacing ring is favorable to improving the sealed effect of sealing washer.

Optionally, a clamping groove is formed on one side, abutting against the sealing ring, of the limiting ring, and the sealing ring is clamped and abutted against the clamping groove.

Through adopting above-mentioned technical scheme, offer of draw-in groove make between sealing washer and the spacing ring can carry out the joint again on the basis of contradicting the connection fixedly, improve the connection stability between sealing washer and the mould, improve sealed effect.

Optionally, a bevel guiding surface is arranged on one side of the sealing ring, which is far away from the side abutting against the limiting ring.

Through adopting above-mentioned technical scheme, the bevel connection guide face can cooperate with the location boss of forming machine for can closely laminate between sealing washer and the location boss, improve the inside sealed effect of mould pipe.

Optionally, the connecting column is close to the boss that carries out spacing to the forming machine on the lateral wall that is connected with mould pipe one end.

Through adopting above-mentioned technical scheme, the setting of boss for the spliced pole is when being connected with the forming machine, can play spacing effect, is favorable to improving the connection stability between bellows mould and the forming machine, thereby improves the production efficiency of bellows.

Optionally, a chamfer is provided at an end position of the die pipe away from the connecting column.

Through adopting above-mentioned technical scheme, the chamfer sets up in the end position department that the mould pipe was kept away from in the spliced pole, and the setting of chamfer can make the end of mould pipe more mellow and full, is installing the mould and get into the in-process that the forming machine was gone up or is taken off, prevents sharp corner position department from causing the condition of accidental injury to operating personnel.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The mould pipe of the corrugated pipe mould is provided with a forming part and a connecting part, the blank is wound on the forming part and is formed by heating and vulcanization through a setting machine, the connecting part is used for being connected with a connecting column, and the connecting column is used for connecting the corrugated pipe mould on the setting machine. Compared with the prior mould which can only produce a single corrugated pipe, the mould pipe is provided with a plurality of moulding mould areas, so that the effect of producing a plurality of corrugated pipes by the single mould pipe can be realized, and the production efficiency of the corrugated pipes is improved;

2. When the bellows mould is connected with the forming machine, the locating boss arranged on the forming machine can be in abutting connection with the end part of the mould. The sealing ring is arranged, so that a sealing state is formed between the die and the positioning boss, and the sealing effect of the inside of the die pipe is improved. The limiting ring prevents the sealing ring from being extruded into a deeper part of the inside of the die pipe by the abutting force of the positioning boss, thereby being beneficial to improving the sealing effect of the sealing ring.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a bellows mold according to the present embodiment.

Fig. 2 is a schematic sectional view of a bellows mold according to the present embodiment.

Fig. 3 is an enlarged schematic view of the stop collar and seal ring of fig. 2 at section a.

Reference numerals illustrate: 1. a die tube; 11. a molding part; 111. a stamper area; 112. ripple; 1121. a convex ring; 1122. a ring groove; 113. an exhaust hole; 114. cutting a groove; 12. a connection part; 13. a limiting ring; 131. a clamping groove; 14. a seal ring; 141. a bevel guide surface; 15. chamfering; 2. a connecting column; 21. an air suction hole; 22. a boss.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings 1-3 and examples. The embodiment of the application discloses a corrugated 112 pipe die. Referring to fig. 1, the bellows mold includes a mold tube 1 and a connecting post 2, the mold tube 1 has a molding portion 11 for molding a blank and a connecting portion 12, and the connecting post 2 is fixedly connected to an end portion of the mold tube 1 at one side of the connecting portion 12. In order to facilitate the connection between the bellows 112 and the forming machine, in connection with fig. 2, a boss 22 is provided on the connecting post 2 of the present embodiment, and the boss 22 is located on the outer side wall of the end of the connecting post 2 connected to the die tube 1.

Referring to fig. 1, a plurality of molding regions 111 are adjacently disposed on the molding portion 11, and the number of molding regions 111 is at least two. In order to improve the production efficiency of the corrugated 112 pipe, the number of the press mold areas 111 in the embodiment is preferably five, so that five sections of corrugated 112 pipe finished products can be produced by a single mold.

A single die region 111 is provided with a corrugation 112 for blank forming, and the corrugation 112 is circumferentially arranged on the outer side wall of the die tube 1. After the corrugated tube 112 is formed, a plurality of corrugated tubes 112 need to be split, in order to facilitate the splitting between the tube sections, the die tube 1 of the embodiment is provided with cutting grooves 114, and the cutting grooves 114 are arranged at two ends of the corrugated tube 112 in each section of the die region 111. The waste region is located between the cutting grooves 114 of two adjacent compression molding regions 111, and the waste between two sections of corrugated 112 pipes after cutting is wound around the waste region of the mold pipe 1, so that operators need to perform secondary blanking on the waste.

The corrugations 112 are formed from raised rings 1121 and ring grooves 1122, the cooperation of the raised rings 1121 and ring grooves 1122 enabling the blank to be shaped when the blank is wound around the die tube 1. Each section of compression mold region 111 comprises two sections of convex rings 1121 and three sections of ring grooves 1122, wherein the convex rings 1121 and the ring grooves 1122 are arranged at intervals. The cutting grooves 114 are symmetrically formed on the outer side of each ring groove 1122, so that the inside of the single molding region 111 includes two cutting grooves 114 and one corrugation 112.

Referring to fig. 2 and 3, when the shaping machine shapes the blank, the gas between the blank and the mold tube 1 needs to be exhausted, so that a vacuum state is presented between the blank and the mold tube 1, in order to ensure the implementation of the vacuum pumping process, the connecting column 2 of the embodiment is provided with the air pumping hole 21, the outer side wall of the mold tube 1 is provided with the air exhausting hole 113, and the air pumping hole 21 and the air exhausting hole 113 are both mutually communicated with the cavity inside the mold tube 1. One end of the mould pipe 1 far away from the connecting column 2 is abutted and sealed and fixed by a positioning boss of a setting machine, so that the sealing state of the cavity of the mould pipe 1 is realized.

The exhaust holes 113 are formed at the bottom of each ring groove 1122, at least two exhaust holes 113 in a single ring groove 1122 are circumferentially formed, in this embodiment, the number of exhaust holes 113 in each ring groove 1122 is preferably four, and four exhaust holes 113 are uniformly formed on the outer side wall of the mold tube 1.

Referring to fig. 3, in order to facilitate connection between the die and the setting machine by the operator, accidental injury to the operator is prevented at the sharp corner position, and the die pipe 1 of the embodiment is provided with a chamfer 15 at the position of the port far from one end of the connecting column 2.

In order to improve the sealing effect of the positioning boss of the setting machine on the inner cavity of the die pipe 1, a sealing ring 14 is arranged on the inner wall of one end, far away from the connecting column 2, of the die pipe 1, and the sealing ring 14 is kept flush with the end position of the die pipe 1.

In order to prevent the sealing ring 14 from sliding into the deeper part of the die pipe 1 due to extrusion when the sealing ring 14 and the positioning boss are abutted against each other, a limiting ring 13 for limiting the sealing ring 14 is further arranged on the inner wall of the port of the die pipe 1. The clamping groove 131 is formed in one end, abutted to the sealing ring 14, of the limiting ring 13, and the sealing ring 14 is clamped and abutted to the clamping groove 131, so that the situation that the sealing ring 14 and the die tube 1 are separated from each other is avoided.

The sealing ring 14 is provided with the bevel connection guide face 141 with the position department of the mutual butt of locating boss of forming machine, and when locating boss and sealing ring 14 each other support tightly, the setting of bevel connection guide face 141 makes the closure effect of sealing ring 14 improve.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. A bellows mold, characterized in that: the die tube comprises a die tube (1) and connecting columns (2) which are coaxially arranged, wherein the die tube (1) is provided with a forming part (11) and a connecting part (12), the connecting columns (2) are fixedly connected with the connecting parts (12) of the die tube (1), the forming part (11) comprises at least two die areas (111) which are adjacently arranged, and the circumferential ring on each die area (111) is provided with a ripple (112) for blank forming.

2. A bellows mold according to claim 1, wherein: the connecting column (2) is provided with an air suction hole (21), the air suction hole (21) is formed along the central axis of the connecting column (2), the die pipe (1) is provided with a plurality of air discharge holes (113) along the length direction, and the air suction hole (21) and the air discharge holes (113) are communicated with the inside of the die pipe (1).

3. A bellows mould according to claim 2, characterized in that: the corrugation (112) comprises convex rings (1121) and annular grooves (1122), each convex ring (1121) is adjacent to each annular groove (1122) and is arranged at intervals, and each exhaust hole (113) is formed at the bottom of each annular groove (1122).

4. A bellows mold according to claim 3, wherein: at least two exhaust holes (113) in the ring grooves (1122) are formed along the circumferential direction of the die pipe (1).

5. A bellows mold according to claim 1, wherein: cutting grooves (114) are formed in two ends of each compression molding area (111), and the cutting grooves (114) are circumferentially formed in the outer side wall of the mold tube (1).

6. A bellows mold according to claim 1, wherein: the die pipe (1) is far away from fixedly connected with limiting rings (13) on the inner wall of one end of the connecting column (2), sealing rings (14) are arranged on the limiting rings (13), the sealing rings (14) are in abutting connection with the inner side walls of the die pipe (1), and the sealing rings (14) are flush with the port positions of the die pipe (1).

7. A bellows mold according to claim 6, wherein: and a clamping groove (131) is formed in the circumferential direction on one side, which is abutted to the sealing ring (14), of the limiting ring (13), and the sealing ring (14) is clamped and abutted to the clamping groove (131).

8. A bellows mold according to claim 7, wherein: a bevel guide surface (141) is arranged on one side, which is far away from the sealing ring (14) and is abutted against the limiting ring (13).

9. A bellows mold according to claim 1, wherein: the connecting column (2) is close to the outer side wall of one end connected with the die pipe (1), and a boss (22) for limiting the setting machine is arranged on the outer side wall.

10. A bellows mold according to claim 1, wherein: the end position of the die pipe (1) far away from the connecting column (2) is provided with a chamfer (15).