CN111872187A

CN111872187A - Forming system of bellows

Info

Publication number: CN111872187A
Application number: CN202010608284.8A
Authority: CN
Inventors: 韩阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-11-03

Abstract

The invention relates to a corrugated pipe forming system. The corrugated pipe forming system comprises a platform, and the upper surface of the platform is provided with a sliding chute; a first forming part, one side wall of which is provided with a forming concave-convex part, the first forming part is arranged on the platform, and the bottom of the first forming part is in one-to-one sliding connection with the sliding chute; the first driving piece is connected to the platform, is connected with the first forming part in a one-to-one mode, and respectively links the first forming part to move back and forth along the sliding groove; the second driving piece is connected to the platform; a guide member connected to the platform. The forming system of the corrugated pipe overcomes the technical problems that the structure is complex, the operation is inconvenient, and the forming effect of the corrugated pipe is relatively poor.

Description

Forming system of bellows

Technical Field

The invention relates to a corrugated pipe forming system.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction, is generally made of metal, is widely used in multiple fields and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force; the bellows need adopt former when the preparation shaping, and traditional former, the structure is more complicated, operates inconveniently for the shaping effect of bellows is relatively poor.

Disclosure of Invention

Therefore, there is a need to provide a bellows forming system to solve the technical problems of complicated structure, inconvenient operation and relatively poor bellows forming effect in the related art.

The technical scheme for realizing the purpose is as follows: a bellows molding system comprising:

the upper surface of the platform is provided with at least four sliding chutes;

at least four first forming parts, one side wall of which is provided with a forming concave-convex part arranged on the platform, and the bottoms of the first forming parts are in one-to-one sliding connection with the sliding grooves;

the four first driving pieces are connected to the platform, are connected with the first forming part in a one-to-one mode, and respectively link the first forming part to move back and forth along the sliding groove;

the at least two second driving pieces are connected to the platform and are arranged at intervals with the first driving pieces;

the at least two guide pieces are connected to the platform and are arranged at intervals with the first driving piece and the second driving piece;

the second forming part is connected to the second driving part, can slide up and down along the guide part under the driving of the second driving part, is matched with the first forming part, and forms a round pipe which is placed between the first forming part and the second forming part and is used for forming a corrugated pipe, after the corrugated pipe is formed, the first forming part is far away from the corrugated pipe along the sliding groove, and the second forming part is far away from the corrugated pipe along the guide part;

the second molding portion includes: the supporting piece is connected to the second driving piece, an inner cavity is formed in the middle of the supporting piece, an air inlet pipe is formed in the top of the supporting piece, and a plurality of first through holes are formed in the side wall of the supporting piece; and the plurality of molding telescopic pieces are respectively connected to the outer wall of the bearing piece, are in one-to-one insertion connection with the first through hole, can slide along the first through hole under the action of air pressure, and jointly act with the molding concave-convex part to mold the corrugated pipe.

Further: the platform includes: the bottom of the four supporting legs is supported on the ground; the middle part of the table top is provided with a circular boss; the sliding groove surrounds the circular boss; and the round boss is provided with a round pipe for forming the corrugated pipe.

Further: the first forming part is of an arc-shaped structure after being projected from the top to the bottom; the four first forming parts are combined to form a ring shape, and surround and limit the circular tube for forming the corrugated tube;

the inner wall of the first forming part is provided with the forming concave-convex part, the outer wall of the first forming part is provided with a first convex block, and the bottom of the first forming part is provided with a second convex block; the first lug is used for being connected with the first driving piece; the second lug is used for being in sliding connection with the sliding groove.

Further: the first driver includes: a support base connected to the platform; and the first cylinder is connected to the supporting seat and connected with the first bump.

Further: the second driving piece is a second air cylinder.

Further: the guide member includes: a first plate attached to the platform; and one end of the round shaft is connected with the first plate, and the other end of the round shaft extends upwards and penetrates out of the second forming part.

Further: the support member includes: the cylinder is provided with the inner cavity, the air inlet pipe and the first through hole, and the bottom of the cylinder is in clearance fit with the upper surface of the platform;

two beams symmetrically connected to the cylinder and connected to the second driving member and penetrated by the guide member;

and the two guide sleeves are respectively connected to the bottom surface of the cross beam and are in clearance fit with the guide piece according to normal tolerance.

Further: the molded expansion part comprises: a third bump matching with part of the molding concave-convex part to mold the corrugated pipe;

one end of the piston shaft is connected to the side wall of one side of the third bump, and the other end of the piston shaft is connected with the first through hole in a sliding mode;

the two springs are symmetrically connected to the two sides of the piston shaft and connected between the side wall of the cylinder and the third bump;

and after being combined, the plurality of molding telescopic pieces surround the outer wall of the cylinder, the shape of the molding telescopic pieces is matched with that of the molding concave-convex part, and a corrugated pipe is molded between the molding concave-convex part and the plurality of molding telescopic pieces.

By adopting the technical scheme, the method has the following beneficial effects: compared with the related art, the forming system of the corrugated pipe is provided with a platform; the platform is connected with a first forming part and a first driving part, and the first driving part is linked with the first forming part to move back and forth along a sliding groove in the platform; the platform is also connected with a second driving piece, a guide piece and a second forming part, and the second driving piece is linked with the second forming part to slide up and down along the guide piece; when the corrugated pipe is formed, the first forming part is in an opening state under the linkage of the first driving part and is far away from the central part of the platform, the second forming part is lifted upwards under the linkage of the second driving part and is far away from the central part of the platform, a round pipe for forming the corrugated pipe is placed at the central part of the platform, the first driving part is started, so that the first forming part surrounds and limits the round pipe for forming the corrugated pipe, the second driving part is started, the second forming part is linked to be inserted into the round pipe for forming the corrugated pipe, pressure gas is introduced into an inner cavity on a supporting piece on the second forming part through a gas inlet pipe, a forming expansion piece is pushed away by the pressure gas and is stretched along a first through hole on the supporting piece to be matched with a forming concave-convex part on the first forming part for forming the corrugated pipe, then the first forming part and the second forming part are far away from the central part of the, the reciprocating type corrugated pipe forming machine is relatively convenient to operate, relatively good in corrugated pipe forming effect, relatively simple in structure and relatively low in use cost; thereby overcome the structure more complicated, the operation is inconvenient for the shaping effect relatively poor technical problem of bellows has reached simple structure relatively, and the operation is convenient relatively, the shaping effect relatively better technical effect of bellows, is favorable to using widely.

Drawings

FIG. 1 is a schematic view of a three-dimensional final assembly structure;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a cross-sectional view B-B of FIG. 2;

FIG. 5 is a schematic three-dimensional structure of a platform;

FIG. 6 is a schematic three-dimensional structure of the first forming portion;

FIG. 7 is a second schematic three-dimensional structure of the first forming portion;

FIG. 8 is a schematic three-dimensional structure of the first driving member;

FIG. 9 is a schematic three-dimensional view of the second driving member, the guide member and the support member;

FIG. 10 is a schematic three-dimensional view of the guide member;

FIG. 11 is a schematic three-dimensional view of the susceptor;

FIG. 12 is a cross-sectional view of the retainer;

FIG. 13 is a schematic three-dimensional view of a molded telescoping piece;

FIG. 14 is a schematic view of a three-dimensional assembly structure of the first forming portion and the second forming portion away from the central portion of the platform after the corrugated pipe is formed;

FIG. 15 is a schematic three-dimensional structure of the formed bellows;

in the figure: 10. the bearing comprises a platform, 11, a sliding groove, 12, a supporting foot, 13, a table board, 131, a circular boss, 20, a first forming part, 21, a forming concave-convex part, 22, a first convex block, 23, a second convex block, 30, a first driving part, 31, a supporting seat, 32, a first air cylinder, 40, a second driving part, 50, a guide part, 51, a first plate, 52, a circular shaft, 60, a second forming part, 61, a bearing part, 611, an inner cavity, 612, an air inlet pipe, 613, a first through hole, 614, a cylinder, 615, a cross beam, 616, a guide sleeve, 62, a forming telescopic part, 621, a third convex block, 622, a piston shaft, 623, a spring and 100 corrugated pipes.

Detailed Description

In order that the matter may be more readily and clearly understood, further details are set forth in the following description, taken in conjunction with the accompanying drawings, in which like reference numerals refer to like parts;

the utility model provides a forming system of bellows, has solved the structure in the correlation technique more complicated, and the operation is inconvenient for the relatively poor technical problem of shaping effect of bellows has reached structure simple relatively, and the operation is convenient relatively, the relatively better positive effect of shaping effect of bellows, and the general thinking is as follows:

one embodiment is as follows:

as shown in fig. 1, 2, 3, 4, 14, 15; a bellows molding system comprising:

a platform 10, the upper surface of which is provided with four sliding chutes 11;

four first forming portions 20 having a forming concave-convex portion 21 on one side wall thereof, provided on the platform 10, and having bottoms thereof slidably coupled with the slide grooves 11 one-to-one;

four first driving members 30 connected to the platform 10, connected to the first forming portion 20 in a one-to-one manner, and respectively linked to the first forming portion 20 to move back and forth along the sliding groove 11;

two second driving members 40 connected to the platform 10 and spaced apart from the first driving members 30;

two guide members 50 connected to the platform 10 and spaced apart from the first driving member 30 and the second driving member 40;

and a second forming portion 60 connected to the second driving member 40, and capable of being driven by the second driving member 40 to slide up and down along the guide 50, and being matched with the first forming portion 20 to form a circular tube for forming a corrugated tube, the circular tube being placed between the first forming portion 20 and the second forming portion 60, after the corrugated tube 100 is formed, the first forming portion 20 is far away from the corrugated tube 100 along the sliding groove 11, and the second forming portion 60 is far away from the corrugated tube 100 along the guide 50;

the second molding portion 60 includes: a supporting member 61 connected to the second driving member 40, having an inner cavity 611 at the middle part, an air inlet pipe 612 at the top part, and a plurality of first through holes 613 on the side wall; and several shaping telescopic parts 62, which are respectively connected to the outer wall of the support part 61, are inserted into the first through hole 613 one by one, and can slide along the first through hole 613 under the action of air pressure, and cooperate with the shaping concave-convex part 21 to shape the corrugated pipe 100;

specifically, in practice, a platform 10 is provided; the platform 10 is connected with a first forming part 20 and a first driving part 30, and the first driving part 30 links the first forming part 20 to move back and forth along the chute 11 on the platform 10; the platform 10 is further connected with a second driving element 40, a guide element 50 and a second forming part 60, and the second driving element 40 is linked with the up-and-down sliding position of the second forming part 60 along the guide element 50; when the corrugated pipe 100 is formed, the first forming part 20 is in an open state under the linkage of the first driving member 30 and is far away from the central portion of the platform 10, the second forming part 60 is lifted upwards under the linkage of the second driving member 40 and is far away from the central portion of the platform 10, a round pipe for forming the corrugated pipe is placed at the central portion of the platform 10, the first driving member 30 is opened, so that the first forming part 20 surrounds and limits the round pipe for forming the corrugated pipe, the second driving member 40 is opened, the second forming part 60 is linked to be inserted into the round pipe for forming the corrugated pipe from top to bottom, a gas inlet pipe 612 introduces pressurized gas into an inner cavity 611 on the supporting member 61 on the second forming part 60, the forming expansion member 62 is pushed away by the pressurized gas, is stretched along the first through hole 613 on the supporting member 61 and is matched with the forming concave-convex part 21 on the first forming part 20 to form the corrugated pipe 100, and then the first forming part 20 and the second forming part 60 are far away from the central portion, the corrugated pipe 100 is taken out, and the operation is repeated in such a way, so that the operation is relatively convenient, the forming effect of the corrugated pipe 100 is relatively good, the structure is relatively simple, and the use cost is relatively low;

in another embodiment:

as shown in fig. 1, 2, 3, 4, 5, 14; in practice, the platform 10 comprises: four supporting feet 12, the bottom of which is supported on the ground; and a table top 13, the middle part of which is provided with a circular boss 131; the chute 11 surrounds the circular boss 131; the round tube for forming the corrugated tube is placed on the round boss 131;

the section of the chute 11 is of a T-shaped structure, and is in clearance fit with the second bump 23 according to normal tolerance, so that the first forming part 20 can move smoothly along the chute 11;

the supporting legs 12 include: one end of the hollow square tube is welded with the bottom of the table top 13; the first square plate is welded at the bottom of the hollow square tube and is used for being connected with the embedded foundation bolt on the foundation; a stable support can be formed;

the table top 13 is round in shape, forms a working surface, is convenient for installing and arranging other structures, is beneficial to the action of operators and cannot hurt the operators;

the circular boss 131 is welded with the table top 13, is used for placing the circular tube for forming the corrugated tube, and can limit the first forming part 20, so that the circular tube for forming the corrugated tube cannot be flattened when being surrounded and limited;

in another embodiment:

as shown in fig. 1, 2, 3, 4, 6, 7, 14, 15; in practice, the first forming portion 20 is an arc-shaped structure after being projected from the top to the bottom; the four first forming portions 20 are combined to form a ring shape, and surround and limit the circular tube for forming the corrugated tube;

the first forming part 20 has the forming concave-convex part 21 on the inner wall, a first bump 22 on the outer wall and a second bump 23 on the bottom; the first lug 22 is used for connecting with the first driving piece 30; the second projection 23 is used for being in sliding connection with the chute 11;

the first forming parts 20 are formed by machining through a forging blank machine, and the four first forming parts 20 can be cut after being machined and formed in an integrated machine, so that the machining precision is guaranteed;

the shape of the molding concave-convex part 21 is matched with the shape of the outer wall of the corrugated pipe 100, so that the corrugated pipe 100 can be conveniently molded;

the first protrusion 22 is a section of circular tube, welded to the first forming portion 20, having an internal threaded hole, and threadedly coupled to an external threaded section on the end of the telescopic shaft of the first cylinder 32, so that the first cylinder 32 can be reliably coupled to the first forming portion 20 to interlock the first forming portion 20;

the section of the second bump 23 is a T-shaped structure, is welded with the first forming part 20 and is in clearance fit with the sliding groove 11 according to normal tolerance, so that the first forming part 20 can move along the sliding groove 11 smoothly;

in another embodiment:

as shown in fig. 1, 2, 3, 4, 8, 14; in practice, the first drive member 30 comprises: a supporting base 31 connected to the platform 10; and a first cylinder 32 connected to the support seat 31 and connected to the first protrusion 22;

the support seat 31 includes: the L-shaped bent plate is used for connecting the first air cylinder 32, and the second square body-shaped plate is welded with the L-shaped bent plate and used for penetrating an outer hexagonal bolt piece between the table top 13 for connection, so that the mounting and dismounting are convenient;

the first cylinder 32 is a single-shaft cylinder in the prior art, and is connected to the L-shaped bending plate by penetrating an outer hexagonal bolt through an L-shaped section bar, and after seeing the disclosure, a person skilled in the art can directly and unambiguously know how to arrange the first cylinder 32 and how to operate the first cylinder 32 without creative labor and excessive tests;

the supporting seat 31 can form stable support, so that the first cylinder 32 can be smoothly linked with the first forming part 20 and can move back and forth along the chute 11, the purpose of combining or separating the first forming part 20 is realized, and the operation is relatively convenient;

in another embodiment:

as shown in fig. 1, 2, 3, 4, 9, 14; in practice, the second driving member 40 is a second cylinder, a single-shaft cylinder in the prior art is adopted, and an outer hexagonal bolt is inserted through an L-shaped section bar and connected to the table top 13, and after seeing the disclosure, a person skilled in the art can directly and unambiguously know how to set the second cylinder and operate the second cylinder without creative labor and excessive tests; a second driving member 40 is provided so that the second forming portion 60 can slide up and down along the guide 50;

in another embodiment:

as shown in fig. 1, 2, 3, 4, 9, 10, 14; in practice, the guide 50 comprises: a first plate 51 attached to the platform 10; and a circular shaft 52 having one end connected to the first plate 51 and the other end extending upward and penetrating the second forming portion 60; the first plate 51 is a circular plate and is connected with the table top 13 through an outer hexagonal bolt, so that the mounting and dismounting are convenient; one end of the round shaft 52 is welded with the first plate 51 to form a guide, so that the second forming part 60 can move along a vertical line all the time without colliding other parts;

in another embodiment:

as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 9, fig. 11, fig. 12, fig. 13, fig. 14, fig. 15; in practice, the support 61 comprises: a cylinder 614 having the inner cavity 611, the inlet pipe 612 and the first through hole 613, and a bottom portion thereof is in clearance fit with an upper surface of the stage 10;

two beams 615 symmetrically connected to the cylinder 614 and connected to the second driving element 40, through which the guide 50 passes;

and two guide sleeves 616 respectively connected to the bottom surface of the cross beam 615, and in clearance fit with the guide 50 according to normal tolerance;

the shaped bellows 62 comprises: a third bump 621 matching with a part of the molding concave-convex portion 21 to mold the corrugated pipe 100;

a piston shaft 622 having one end connected to a side wall of the third protrusion 621 and the other end slidably connected to the first through hole 613;

and two springs 623 symmetrically connected to both sides of the piston shaft 622 and connected between the sidewall of the cylinder 614 and the third protrusion 621;

after combining a plurality of the molding expansion members 62, surrounding the outer wall of the cylinder 614, the shape of which matches the molding concave-convex part 21, and molding the corrugated pipe 100 between the molding concave-convex part 21 and the plurality of the molding expansion members 62;

the cylinder 614 is formed by forging a blank and machining, and the inner cavity 611 is of a cylindrical structure;

the intake pipe 612 includes: a section of conical tube, one end of which is welded to the top of the cylinder 614; and a hollow circular tube welded to the other end of the conical tube for connecting with an air tube, the air tube is generally a hose and connected with an air compressor, so that a pressurized gas can be conveniently introduced into the inner cavity 611;

the first through hole 613 is a circular hole, and a tapered counterbore is provided at the contact position with the inner cavity 611, which is beneficial to leading pressurized gas into the first through hole 613;

the beam 615 is of a substantially rectangular parallelepiped structure, one end of the beam is welded to the side wall of the cylinder 614, the other end of the beam has a second through hole, the second through hole is used for being penetrated by the end of the telescopic shaft of the second driving element 40, and two nuts are screwed on the telescopic shaft and connected with the beam 615, so that the telescopic shaft of the second driving element 40 is connected with the beam 615, and the second driving element 40 can be linked with the beam 615;

the section of the guide sleeve 616 is of a circular ring structure, and is in clearance fit with the circular shaft 52 according to normal tolerance, so that a guide effect is formed, and the second forming part 60 always moves along a vertical line;

the third protrusions 621 are formed by machining a forging blank machine, and after the third protrusions 621 are combined, the third protrusions 621 can surround the outer wall of the cylinder 614;

the piston shaft 622 includes; a section of small round shaft, one end of which is welded with the third bump 621, and a rubber sealing layer embedded on the outer circle of the small round shaft, which is tightly matched with the first through hole 613 according to normal tolerance, similar to a piston structure, and after seeing the disclosure, a person skilled in the art can directly and unambiguously know how to set the small round shaft without creative labor and excessive tests;

the spring 623 is a cylindrical spring in the prior art and is respectively welded with the outer wall of the cylinder 614 and the third bump 621;

when the corrugated pipe 100 is used, the air inlet pipe 612 introduces pressurized gas into the inner cavity 611, the pressurized gas pushes the piston shaft 622, the spring 623 stretches, the third bump 621 is close to and matched with the forming concave-convex part 21, so that the corrugated pipe 100 is formed, after the pressurized gas is cut off, the third bump 621 and the piston shaft 622 return under the action of the spring 623, and the formed corrugated pipe 100 is separated;

the working principle is as follows: when the corrugated pipe 100 is formed, the first forming part 20 is in an open state under the linkage of the first driving member 30 and is far away from the central portion of the platform 10, the second forming part 60 is lifted upwards under the linkage of the second driving member 40 and is far away from the central portion of the platform 10, a round pipe for forming the corrugated pipe is placed at the central portion of the platform 10, the first driving member 30 is opened, so that the first forming part 20 surrounds and limits the round pipe for forming the corrugated pipe, the second driving member 40 is opened, the second forming part 60 is linked to be inserted into the round pipe for forming the corrugated pipe from top to bottom, a gas inlet pipe 612 introduces pressurized gas into an inner cavity 611 on the supporting member 61 on the second forming part 60, the forming expansion member 62 is pushed away by the pressurized gas, is stretched along the first through hole 613 on the supporting member 61 and is matched with the forming concave-convex part 21 on the first forming part 20 to form the corrugated pipe 100, and then the first forming part 20 and the second forming part 60 are far away from the central portion, the corrugated pipe 100 is taken out, and the operation is reciprocating, the forming effect of the corrugated pipe 100 is relatively good, the structure is relatively simple, and the use cost is relatively low.

Claims

1. A bellows forming system, comprising:

2. A bellows molding system as claimed in claim 1, wherein: the platform includes: the bottom of the four supporting legs is supported on the ground; the middle part of the table top is provided with a circular boss; the sliding groove surrounds the circular boss; and the round boss is provided with a round pipe for forming the corrugated pipe.

3. A bellows molding system as claimed in claim 1, wherein: the first forming part is of an arc-shaped structure after being projected from the top to the bottom; the four first forming parts are combined to form a ring shape, and surround and limit the circular tube for forming the corrugated tube;

4. A bellows molding system as claimed in claim 3, wherein: the first driver includes: a support base connected to the platform; and the first cylinder is connected to the supporting seat and connected with the first bump.

5. A bellows molding system as claimed in claim 1, wherein: the second driving piece is a second air cylinder.

6. A bellows molding system as claimed in claim 1, wherein: the guide member includes: a first plate attached to the platform; and one end of the round shaft is connected with the first plate, and the other end of the round shaft extends upwards and penetrates out of the second forming part.

7. A bellows molding system as claimed in claim 1, wherein: the support member includes: the cylinder is provided with the inner cavity, the air inlet pipe and the first through hole, and the bottom of the cylinder is in clearance fit with the upper surface of the platform;

8. A bellows molding system as claimed in claim 7, wherein: the molded expansion part comprises: a third bump matching with part of the molding concave-convex part to mold the corrugated pipe;