CN210138998U

CN210138998U - Corrugated pipe expanding machine

Info

Publication number: CN210138998U
Application number: CN201921044313.1U
Authority: CN
Inventors: 孟多南; 邢卓; 马志承; 王记兵; 徐大鹿; 孙志涛; 戴洋; 张宇航; 李秋
Original assignee: Shenyang Huibo Heat Energy Equipment Co Ltd
Current assignee: Shenyang Huibo Heat Energy Equipment Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-03-13
Anticipated expiration: 2029-07-05

Abstract

The embodiment of the utility model discloses bellows pipe-expanding machine relates to bellows processing technology field, and its technical scheme includes the base, sets up support column on the base, the bearing plate of setting on the support column and setting up a plurality of first bloated lamella on the bearing plate, first bloated lamella is fan-shaped along horizontal direction's cross-section, and a plurality of first bloated lamellas enclose synthetic annular on the bearing plate, the breach has been seted up to base and the inside cavity of support column on the bearing plate, the breach is linked together with the inside of support column breach department is provided with the gliding extrusion subassembly of direction that drives a plurality of first bloated lamellas orientation kept away from each other, and the fixed spacing ring that is provided with in one side that the breach was kept away from to first bloated lamella on the bearing plate, the spacing ring with form the first storage tank that supplies the bellows to place between the first bloated lamella. The problem of bellows quality reduction and extravagant manpower reduction production efficiency that leads to because artifical flaring among the prior art is used for solving.

Description

Corrugated pipe expanding machine

Technical Field

The embodiment of the utility model provides a bellows processing technology field, concretely relates to bellows flaring machine.

Background

The corrugated pipe is a tubular elastic sensitive element which is formed by connecting foldable corrugated sheets along the folding and stretching direction. The corrugated pipe has wide application in instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force. The corrugated pipe has thin pipe wall and high sensitivity, and the measurement range is from tens of Pa to tens of MPa. Its open end is fixed, its sealed end is in free state, and its elasticity is increased by using auxiliary helical spring or reed. When working, the pipe is extended along the length direction under the action of internal pressure, so that the movable end generates displacement in a certain relation with the pressure. The movable end drives the pointer to directly indicate the pressure. Bellows are often combined with displacement sensors to form pressure sensors that output an electrical quantity, sometimes also acting as isolation elements.

When the port of the multilayer corrugated pipe is subjected to roll welding, the port can shrink irregularly, and the phenomenon of misalignment and incapability of being tightly attached can be generated when the port is welded with a flange or other connecting pipes in the follow-up process, so that the follow-up process cannot be performed.

The existing solution scheme adopts manual flaring, the uniformity, flaring precision and circumferential degree of the flaring mode can not meet the standard requirements, and the manual flaring mode is troublesome, wastes manpower and reduces the production efficiency.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a bellows flaring machine to solve among the prior art because the bellows quality that artifical flaring leads to reduces and extravagant manpower reduces the problem of production efficiency.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

according to the embodiment of the utility model provides a bellows flaring machine, its technical scheme main points include the base, set up support column on the base, the bearing plate of setting on the support column and set up a plurality of first bloated lamella on the bearing plate, first bloated lamella is fan-shaped along horizontal direction's cross-section, and a plurality of first bloated lamellas enclose synthetic annular on the bearing plate, the breach has been seted up to the inside cavity of base and support column on the bearing plate, the breach is linked together with the inside of support column breach department is provided with the gliding extrusion subassembly of direction that drives a plurality of first bloated lamellas orientation kept away from each other, and the fixed spacing ring that is provided with in one side that the breach was kept away from to the first lamella that just is located on the bearing plate, the spacing ring with form the first storage tank that supplies the bellows to place between the first bloated lamella.

Further, the extrusion subassembly is including setting up the extrusion piece and the drive assembly of drive extrusion piece at vertical direction motion of breach department, extrusion piece inside cavity just is the round platform shape.

Furthermore, a spring seat is fixedly arranged at one end, close to the extrusion block, of the first expansion flap on the first expansion flap, a spring is horizontally and fixedly connected to one end, close to the limiting ring, of the spring seat, a positioning block is fixedly arranged between the first expansion flap and the spring, the positioning block is fixedly connected with the bearing plate through a vertically arranged positioning bolt, a waist-shaped hole is formed in the first expansion flap, and the positioning bolt is vertically inserted into the waist-shaped hole.

Furthermore, one side of the extrusion block, which is close to the limiting ring, is provided with a first inclined surface, which corresponds to the first inclined surface, the first expansion flap is provided with a second inclined surface, the first inclined surface and the second inclined surface are parallel to each other, and when the extrusion block moves downwards, the first inclined surface and the second inclined surface slide relatively.

Further, the drive assembly comprises a hydraulic cylinder fixedly arranged on the base, the cylinder body of the hydraulic cylinder is fixedly arranged on the base, the piston rod of the hydraulic cylinder extends upwards from the notch and extends to the position above the bearing plate, and the extrusion block is fixedly sleeved on the piston rod.

Further, the notch is provided with a guide assembly capable of guiding the movement of the extrusion block.

Further, the guide assembly is including fixed the setting disc on the locating piece, the centre of disc has been seted up and has been let a mouthful, let a mouthful with be linked together between the breach, at the vertical fixedly connected with guide post of the department of letting a mouthful, guide post both ends opening and inside cavity, the guide post is located the outside of extrusion piece, the outer wall of extrusion piece contacts with the inner wall of guide post.

Furthermore, a plurality of second expansion lobes are arranged between the first expansion lobes and the limiting ring, the second expansion lobes are enclosed to form a ring, the second expansion lobes and the first expansion lobes are arranged in a one-to-one correspondence manner, and a second accommodating groove for accommodating the corrugated pipe is formed between the second expansion lobes and the limiting ring.

The embodiment of the utility model provides a have following advantage:

the embodiment of the utility model provides a through the first lamella and the extrusion subassembly that expand that set up, start the pneumatic cylinder, the piston rod downstream of pneumatic cylinder, and then drive the extrusion piece downstream, mutual slip between first inclined plane and the second inclined plane, and then the direction motion that the spacing ring is close to the extrusion spring holder orientation, compression spring is first lamella orientation of expanding simultaneously and is close to the direction motion of spacing ring, and then can extrude the bellows in the first storage tank, realizes the flaring. Through the guide post that sets up, can make the extrusion piece keep in the motion of vertical direction, improve the stability of motion. Through the spring that sets up, when the extrusion piece upward movement, under the spring action, can make first expanding valve move towards the direction of keeping away from the spacing ring, and then can be convenient take out the bellows that the flaring was accomplished, operate convenience more, improved production efficiency greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic overall structural diagram of a bellows expanding machine according to a first embodiment of the present invention;

fig. 2 is a top view of a bellows pipe expanding machine embodying a first expansion flap according to a first embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a schematic view of an overall structure of a bellows expanding machine according to a second embodiment of the present invention.

In the figure: 1. a base; 11. a support frame; 12. a support plate; 2. a support pillar; 3. a bearing plate; 31. a first accommodating groove; 32. a second accommodating groove; 4. a first expansion flap; 41. a spring seat; 411. a spring; 42. a kidney-shaped hole; 43. a second inclined plane; 5. an extrusion assembly; 51. extruding the block; 511. a first inclined plane; 52. a drive assembly; 521. a hydraulic cylinder; 6. positioning blocks; 61. positioning the bolt; 7. a limiting ring; 8. a disc; 81. a guide post; 9. and a second expansion flap.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Example one

A corrugated pipe flaring machine is shown in figure 1 and comprises a base 1, a support column 2 arranged on the base 1, a bearing plate 3 arranged on the support column 2 and a plurality of first expansion flaps 4 arranged on the bearing plate 3.

Base 1 includes the support frame 11 and the backup pad 12 of horizontal fixed connection on support frame 11 of rectangle, and the vertical fixed connection of support column 2 is in backup pad 12, and the opening has been seted up to the central point of backup pad 12, and the bottom fixed connection of support column 2 is in the border department of opening, the inside cavity of support column 2 and both ends opening.

A notch is arranged on the bearing plate 3, the upper end of the support column 2 is fixedly connected at the edge of the notch, and the inside of the support column 2 is communicated with the notch.

With reference to fig. 2, the cross section of the first expansion flap 4 along the horizontal direction is fan-shaped, the plurality of first expansion flaps 4 form a ring on the bearing plate 3, and an extrusion assembly 5 for driving the plurality of first expansion flaps 4 to slide towards the direction away from each other is arranged at the notch.

As shown in fig. 1 and 2, a spring seat 41 is fixedly arranged on the first expansion flap 4 and at one end of the first expansion flap 4 close to the center of the bearing plate 3, in combination with fig. 3, a spring 411 is horizontally and fixedly connected to one end of the spring seat 41 far away from the center of the bearing plate 7, a positioning block 6 is fixedly arranged between the first expansion flap 4 and the spring 411, the positioning block 6 is fixedly connected with the bearing plate 3 through a vertically arranged positioning bolt 61, a kidney-shaped hole 42 is formed in the first expansion flap 4, and the positioning bolt 61 is vertically inserted into the kidney-shaped hole 42.

A limiting ring 7 is fixedly arranged on the bearing plate 3 and on one side of the first expansion flap 4 away from the notch, a first accommodating groove 31 for accommodating the corrugated pipe is formed between the limiting ring 7 and the first expansion flap 4, and the first accommodating groove 31 is annular.

The pressing assembly 5 comprises a pressing block 51 arranged at the notch and a driving assembly 52 for driving the pressing block 51 to move in the vertical direction, and the pressing block 51 is hollow and truncated cone-shaped.

One side of the extrusion block 51 close to the limit ring 7 is provided with a first inclined surface 511, the first inclined surface 511 corresponds to the first inclined surface 511, the first expansion lobe 4 is provided with a second inclined surface 43, the first inclined surface 511 and the second inclined surface 43 are parallel to each other, when the extrusion block 51 moves downwards, the first inclined surface 511 and the second inclined surface 412 slide relatively, and then the extrusion spring seat 41 moves towards the direction close to the limit ring 7.

The driving assembly 52 comprises a hydraulic cylinder 521 fixedly arranged on the base 1, the cylinder body of the hydraulic cylinder 521 is fixedly arranged on the base 1, the piston rod of the hydraulic cylinder 521 extends upwards from the notch and extends to the upper part of the bearing plate 3, and the extrusion block 51 is fixedly sleeved on the piston rod.

The notch is provided with a guide assembly capable of guiding the movement of the pressing block 51. The guide assembly comprises a disc 8 fixedly arranged on the positioning block 6, a yielding port is formed in the middle of the disc 8, the yielding port is communicated with the notch, a vertical fixedly connected guide column 81 is arranged at the yielding port, two ends of the guide column 81 are open, the guide column 81 is hollow, the guide column 81 is located on the outer side of the extrusion block 51, and the outer wall of the extrusion block 51 is in contact with the inner wall of the guide column 81.

When the expansion device is used, a corrugated pipe to be flared is placed in the first accommodating groove 31, then the hydraulic cylinder 521 is started, the hydraulic cylinder 521 drives the piston rod to move downwards, so as to drive the extrusion block 51 to move downwards along the inner wall of the guide post 81, relative sliding is generated between the first inclined surface 511 and the second inclined surface 412, so that the extrusion spring seat 41 moves towards the direction close to the limit ring 7, the movement of the spring seat 41 can drive the first expansion flap 4 to move towards the direction close to the limit ring 7, so that the extrusion of the corrugated pipe is realized, and the outer wall of the corrugated pipe is abutted against the inner wall of the limit ring 7 to realize flaring; after the flaring of the corrugated pipe is completed, the hydraulic cylinder 521 is started, the piston rod moves upwards, the extrusion of the extrusion block 51 on the expansion valve is removed, and the expansion valve can automatically slide towards the direction away from the limiting ring 7 under the action of the elastic force of the spring 411, so that a worker can take out the corrugated pipe with the flaring completed from the first accommodating groove 31, the operation is more convenient, and the production efficiency is improved.

Example two

A bellows flaring machine, as shown in fig. 4, differs from the first embodiment in that a plurality of second expansion flaps 9 are arranged between a first expansion flap 4 and a limit ring 7, the second expansion flaps 9 are enclosed to form a ring, the second expansion flaps 9 are arranged in one-to-one correspondence with the first expansion flaps 4, the cross section of the second expansion flaps 9 along the horizontal direction is fan-shaped, and a second accommodating groove 32 for placing a bellows is formed between the second expansion flaps 9 and the limit ring 7.

When the external diameter of bellows is greater than the biggest annular diameter that first bloated lamella 4 can enclose synthetic, place the bellows in second storage tank 32, when first bloated lamella 4 moves towards the direction that is close to spacing ring 7, can promote the second and expand lamella 9 and also move towards the direction that is close to spacing ring 7, and then extrude the bellows, make the outer wall butt spacing ring 7's of bellows inner wall, realize the flaring.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A bellows flaring machine which characterized in that: comprises a base (1), a supporting column (2) arranged on the base (1), a bearing plate (3) arranged on the supporting column (2) and a plurality of first expansion flaps (4) arranged on the bearing plate (3), the cross section of the first expansion flaps (4) along the horizontal direction is in a fan shape, a plurality of first expansion flaps (4) form a ring shape in a surrounding mode on the bearing plate (3), the base (1) and the support column (2) are hollow, a notch is arranged on the bearing plate (3), the notch is communicated with the inside of the supporting column (2), a squeezing assembly (5) for driving the first expansion flaps (4) to slide towards the directions far away from each other is arranged at the gap, a limiting ring (7) is fixedly arranged on the bearing plate (3) and on one side of the first expansion flap (4) far away from the gap, a first containing groove (31) for placing the corrugated pipe is formed between the limiting ring (7) and the first expansion valve (4).

2. A bellows expanding machine according to claim 1, wherein: the extrusion assembly (5) comprises an extrusion block (51) arranged at the notch and a driving assembly (52) for driving the extrusion block (51) to move in the vertical direction, and the extrusion block (51) is hollow and is in a circular truncated cone shape.

3. A bellows expanding machine according to claim 2, wherein: the fixed spring holder (41) that is provided with of one end that just is located first bloated lamella (4) and is close to extrusion piece (51) on first bloated lamella (4), spring holder (41) are close to the horizontal fixedly connected with spring (411) of one end of spacing ring (7), first bloated lamella (4) with fixed locating piece (6) that is provided with between spring (411), locating piece (6) with positioning bolt (61) fixed connection through vertical setting between bearing plate (3) has seted up waist type hole (42) on first bloated lamella (4), positioning bolt (61) vertical insertion is in waist type hole (42).

4. A bellows expanding machine according to claim 3, wherein: one side of the extrusion block (51) close to the limiting ring (7) is provided with a first inclined surface (511) corresponding to the first inclined surface (511), the first expansion flap (4) is provided with a second inclined surface (43), the first inclined surface (511) and the second inclined surface (43) are parallel to each other, and when the extrusion block (51) moves downwards, the first inclined surface (511) and the second inclined surface (43) slide relatively.

5. A bellows expanding machine according to claim 4, wherein: the driving assembly (52) comprises a hydraulic cylinder (521) fixedly arranged on the base (1), the cylinder body of the hydraulic cylinder (521) is fixedly arranged on the base (1), the piston rod of the hydraulic cylinder (521) extends upwards from the notch and extends to the upper side of the bearing plate (3), and the extrusion block (51) is fixedly sleeved on the piston rod.

6. A bellows expanding machine according to claim 5, wherein: the notch is provided with a guide assembly which can guide the movement of the extrusion block (51).

7. A bellows expanding machine according to claim 6, wherein: the direction subassembly is including fixed setting disc (8) on locating piece (6), the centre of disc (8) has been seted up and has been let a mouthful, let a mouthful with be linked together between the breach, at the vertical fixedly connected with guide post (81) of department of letting a mouthful, guide post (81) both ends opening and inside cavity, guide post (81) are located the outside of extrusion piece (51), the outer wall of extrusion piece (51) contacts with the inner wall of guide post (81).

8. A bellows expanding machine according to claim 1, wherein: the corrugated pipe expansion device is characterized in that a plurality of second expansion flaps (9) are arranged between the first expansion flaps (4) and the limiting ring (7), the second expansion flaps (9) are enclosed to form a ring, the second expansion flaps (9) are arranged in one-to-one correspondence with the first expansion flaps (4), and a second accommodating groove (32) for accommodating a corrugated pipe is formed between the second expansion flaps (9) and the limiting ring (7).