阅读说明：本技术 一种管道生产线用可调定径装置及管道生产线 (Pipeline production line is with adjustable sizing device and pipeline production line ) 是由 何海潮 陈军海 于 2019-12-05 设计创作，主要内容包括：本发明公开一种管道生产线用可调定径装置及包含其的管道生产线,属于管道生产技术领域。所述管道生产线用可调定径装置包括第一连接套、第二连接套和变径套组件,第一连接套和第二连接套同轴间隔设置,变径套组件的两端分别连接于第一连接套和第二连接套,第一连接套、变径套组件和第二连接套共同形成供管道穿过的通道,第一连接套和第二连接套的间距可调,从而压缩或拉伸变径套组件；受压时,变径套组件的直径增大；受拉时,变径套组件的直径减小。可根据管道制品的预设外径尺寸,调节第一连接套和第二连接套的间距,相应压缩或拉伸变径套组件,从而调节变径套组件的内径,以对不同规格的管道制品定型,无需制作多个定径装置。(The invention discloses an adjustable sizing device for a pipeline production line and the pipeline production line comprising the same, and belongs to the technical field of pipeline production. The adjustable sizing device for the pipeline production line comprises a first connecting sleeve, a second connecting sleeve and a reducing sleeve assembly, wherein the first connecting sleeve and the second connecting sleeve are coaxially arranged at intervals, two ends of the reducing sleeve assembly are respectively connected to the first connecting sleeve and the second connecting sleeve, the first connecting sleeve, the reducing sleeve assembly and the second connecting sleeve jointly form a channel for a pipeline to pass through, and the distance between the first connecting sleeve and the second connecting sleeve is adjustable, so that the reducing sleeve assembly is compressed or stretched; when the pressure is applied, the diameter of the reducing sleeve component is increased; when the tension is applied, the diameter of the reducing sleeve assembly is reduced. The distance between the first connecting sleeve and the second connecting sleeve can be adjusted according to the preset outer diameter of the pipeline product, and the reducing sleeve assembly is correspondingly compressed or stretched, so that the inner diameter of the reducing sleeve assembly is adjusted, the pipeline products of different specifications are shaped, and a plurality of sizing devices are not required to be manufactured.)

1. The adjustable sizing device for the pipeline production line is characterized by comprising a first connecting sleeve (1), a second connecting sleeve (2) and a reducing sleeve assembly (3), wherein the first connecting sleeve (1) and the second connecting sleeve (2) are coaxially arranged at intervals, two ends of the reducing sleeve assembly (3) are respectively connected to the first connecting sleeve (1) and the second connecting sleeve (2), the first connecting sleeve (1), the reducing sleeve assembly (3) and the second connecting sleeve (2) jointly form a channel for a pipeline product to pass through, and the distance between the first connecting sleeve (1) and the second connecting sleeve (2) is adjustable, so that the reducing sleeve assembly (3) is compressed or stretched;

when the pressure is applied, the diameter of the reducing sleeve component (3) is increased;

when the tension is applied, the diameter of the reducing sleeve assembly (3) is reduced.

2. The adjustable sizing device for the pipeline production line according to claim 1, wherein the reducing sleeve assembly (3) comprises a plurality of first woven soft ribs (31) and a plurality of second woven soft ribs (32), the plurality of first woven soft ribs (31) are arranged in parallel at intervals and extend along a first direction, the plurality of second woven soft ribs (32) are arranged in parallel at intervals and extend along a second direction, the plurality of second woven soft ribs (32) are stacked on the plurality of first woven soft ribs (31), and each second woven soft rib (32) is hinged with the plurality of first woven soft ribs (31) covered by the second woven soft rib;

when the diameter-changing sleeve assembly (3) is axially pressed, the first woven soft rib (31) and the second woven soft rib (32) move in a coordinated manner, included angles between the first direction and the second direction and the circumferential direction of the diameter-changing sleeve assembly (3) are reduced, and the diameter of the diameter-changing sleeve assembly (3) is increased;

when reducing cover subassembly (3) axial is pulled, first weave soft muscle (31) with soft muscle (32) concerted motion is woven to the second, just first direction with the second direction respectively with contained angle between the circumference of reducing cover subassembly (3) all increases, the diameter of reducing cover subassembly (3) reduces.

3. Sizing device according to claim 2, wherein said first braided soft rib (31) comprises a plurality of first connecting segments hinged in sequence and/or said second braided soft rib (32) comprises a plurality of second connecting segments hinged in sequence.

4. Sizing device according to any of claims 1-3, further comprising a driving device capable of driving the second connection sleeve (2) axially closer to or further from the first connection sleeve (1) to compress or stretch the reducer sleeve assembly (3).

5. The adjustable sizing device for the pipeline production line according to claim 4, wherein the driving device comprises a driving member (4) and a transmission component, the driving member (4) is in transmission connection with the transmission component, and the transmission component is connected with the second connecting sleeve (2) to drive the second connecting sleeve (2) to axially move.

6. The adjustable sizing device for a pipeline production line according to claim 5, further comprising a drive rod assembly, wherein the driving member (4) is in driving connection with the drive rod assembly, and wherein the drive assembly is in threaded connection with the drive rod assembly.

7. Sizing device according to claim 5, wherein the transmission assembly comprises a plurality of transmission members (51), and the plurality of transmission members (51) are uniformly distributed in the circumferential direction of the second connection sleeve (2).

8. Adjustable sizing device according to claim 7, wherein a circumferential groove (21) is provided on the second connection sleeve (2), and a locking protrusion (512) cooperating with the circumferential groove (21) is provided on the transmission member (51).

9. The adjustable sizing device for a pipeline production line according to claim 1, further comprising a limiting member for limiting the movement of the second connection sleeve (2) towards or away from the first connection sleeve (1).

10. A pipeline production line comprising an adjustable sizing device for a pipeline production line according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of pipeline production, in particular to an adjustable sizing device for a pipeline production line and the pipeline production line.

Background

In the plastic pipeline production line, when pipeline products are cooled, a sizing device is needed to shape the pipeline so as to control the outer diameter of the pipeline to reach the required size.

In the existing pipeline production, pipeline products with different external diameter specifications correspond to sizing devices with different specifications, pipeline products with the same external diameter and different wall thicknesses also have different specifications of the corresponding sizing devices, and the pipeline products with the same specification have the shrinkage rate changed after the formula is changed, so that the size of the sizing device also needs to be correspondingly adjusted, so that a plurality of sets of sizing devices need to be configured on one production line if pipeline products with various external diameter specifications are produced, the equipment cost is high, the difficulty in replacing the sizing devices is high, time and labor are wasted, and the production efficiency is influenced.

Disclosure of Invention

The invention aims to provide an adjustable sizing device for a pipeline production line and the pipeline production line, which can be used for sizing pipeline products of different specifications, reduce the production cost, save time and labor and improve the production efficiency.

In order to realize the purpose, the following technical scheme is provided:

an adjustable sizing device for a pipeline production line comprises a first connecting sleeve, a second connecting sleeve and a reducing sleeve assembly, wherein the first connecting sleeve and the second connecting sleeve are coaxially arranged at intervals, two ends of the reducing sleeve assembly are respectively connected to the first connecting sleeve and the second connecting sleeve, the first connecting sleeve, the reducing sleeve assembly and the second connecting sleeve jointly form a channel for a pipeline to pass through, and the distance between the first connecting sleeve and the second connecting sleeve is adjustable, so that the reducing sleeve assembly is compressed or stretched;

when the pressure is applied, the diameter of the reducing sleeve component is increased;

when pulled, the diameter of the reducing sleeve assembly is reduced.

Furthermore, the diameter-variable sleeve assembly comprises a plurality of first woven soft ribs and a plurality of second woven soft ribs, the first woven soft ribs are arranged in parallel at intervals and extend along a first direction, the second woven soft ribs are arranged in parallel at intervals and extend along a second direction, the second woven soft ribs are stacked on the first woven soft ribs, and each second woven soft rib is hinged with the first woven soft ribs covered by the second woven soft rib;

when the diameter-changing sleeve assembly is axially pressed, the first weaving soft rib and the second weaving soft rib move in a coordinated manner, included angles between the first direction and the second direction and the circumferential direction of the diameter-changing sleeve assembly are reduced, and the diameter of the diameter-changing sleeve assembly is increased;

when the reducing sleeve assembly is axially pulled, the first woven soft rib and the second woven soft rib move in a coordinated mode, included angles between the first direction and the second direction in the circumferential direction of the reducing sleeve assembly are increased, and the diameter of the reducing sleeve assembly is reduced.

Further, the first woven soft rib comprises a plurality of first connecting sections which are sequentially hinged, and/or the second woven soft rib comprises a plurality of second connecting sections which are sequentially hinged.

Further, still include drive arrangement, drive arrangement can drive the second adapter sleeve is axially close to or is kept away from first adapter sleeve to compress or stretch the reducing sleeve subassembly.

Further, drive arrangement includes driving piece and transmission assembly, the driving piece with transmission assembly transmission is connected, transmission assembly with the second adapter sleeve is connected, in order to drive second adapter sleeve axial displacement.

Further, still include the drive rod subassembly, the driving piece with drive rod subassembly transmission is connected, drive assembly with drive rod subassembly threaded connection.

Furthermore, the transmission assembly comprises a plurality of transmission members, and the transmission members are uniformly distributed in the circumferential direction of the second connecting sleeve.

Furthermore, a circumferential clamping groove is formed in the second connecting sleeve, and a clamping protrusion matched with the circumferential clamping groove is formed in the transmission piece.

Furthermore, the connecting device further comprises a limiting part, and the limiting part is used for limiting the movement of the second connecting sleeve close to or far away from the first connecting sleeve.

A pipeline production line comprises the adjustable sizing device for the pipeline production line.

Compared with the prior art, in the adjustable diameter-fixing device for the pipeline production line, the first connecting sleeve, the reducing sleeve assembly and the second connecting sleeve form a channel for a pipeline product to pass through together, and the diameter of the reducing sleeve assembly is correspondingly increased or reduced when the reducing sleeve assembly is axially compressed or stretched. Can adjust the interval of first adapter sleeve and second adapter sleeve according to the external diameter size of predetermineeing of pipeline goods, corresponding compression or tensile reducing cover subassembly to adjust the internal diameter of reducing cover subassembly, in order to finalize the design to the pipeline goods of different specifications, need not to make a plurality of sizing devices, equipment cost is low, and need not often to change the sizing device, labour saving and time saving improves production efficiency.

The pipeline production line provided by the invention can be used for producing various pipeline products with the same outer diameter specification or the same outer diameter but different wall thicknesses by adopting the adjustable sizing device for the pipeline production line, does not need to replace the sizing device, and has low production cost and high production efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic view of an adjustable sizing device for a pipeline production line according to an embodiment of the present invention;

FIG. 2 is a side view of a reducing sleeve according to an embodiment of the present invention;

fig. 3 is an expanded view of the reducing sleeve according to the embodiment of the present invention.

Reference numerals:

1-a first connecting sleeve; 2-a second connecting sleeve; 3-a variable diameter sleeve component;

21-a circumferential slot;

31-first braided soft ribs; 32-second braided soft ribs;

4-a drive member;

51-a transmission member; 511-the transmission body; 512-convex card;

61-a transmission rod; 62-a pulley; 63-a belt; 64-an auxiliary wheel;

7-a first flange; 8-a second flange plate; 9-third flange.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the present embodiment provides an adjustable sizing device for a pipeline production line, which includes a first connection sleeve 1 and a second connection sleeve 2 that are spaced and coaxially disposed, and a diameter-variable sleeve assembly 3 is connected between the first connection sleeve 1 and the second connection sleeve. The first connecting sleeve 1, the reducing sleeve component 3 and the second connecting sleeve 2 jointly form a channel for the pipeline product to pass through, wherein the reducing sleeve component 3 is tightly attached to the outer wall of the pipeline product so as to control the outer diameter of the pipeline product to reach the required size in the cooling process and shape the pipeline product.

The distance between the first connecting sleeve 1 and the second connecting sleeve 2 is adjustable, so that the reducing sleeve assembly 3 between the first connecting sleeve and the second connecting sleeve is compressed or stretched. When the reducing sleeve assembly 3 provided by the embodiment is axially compressed, the diameter of the reducing sleeve assembly is increased; when axially stretched, its diameter decreases. Consequently, can adjust the interval of first adapter sleeve 1 and second adapter sleeve 2 according to the external diameter size of predetermineeing of pipeline goods to the corresponding internal diameter of adjusting reducing sleeve subassembly 3, in order to finalize the design to the pipeline goods of different specifications, need not to make a plurality of sizing devices, equipment cost is low, and need not often to change the sizing device, labour saving and time saving improves production efficiency.

Specifically, as shown in fig. 2 and 3, the variable diameter sleeve assembly 3 includes a plurality of first woven soft ribs 31 and a plurality of second woven soft ribs 32. The soft muscle 31 parallel interval of a plurality of first weaves sets up and all extends along first direction, and the soft muscle 32 parallel interval of a plurality of seconds is woven and is set up and all extends along the second direction, and a plurality of seconds are woven soft muscle 32 and are folded on a plurality of first soft muscle 31 of weaving, and every second is woven soft muscle 32 and is articulated respectively rather than a plurality of first soft muscle 31 of weaving that cover, and both are preferred to be articulated through the pin.

It should be noted that, as shown in fig. 3, the expanded view of the variable diameter sleeve assembly 3 is a rectangle, the long side is the axial direction of the variable diameter sleeve assembly 3, the short side is the circumferential direction of the variable diameter sleeve assembly 3, the end portions of the corresponding first woven soft rib 31 and the second woven soft rib 32 on the two long sides are hinged, the end portions of the first woven soft rib 31 and the second woven soft rib 32 on one short side are hinged with the circumferential direction of the first connecting sleeve 1, and the end portions of the first woven soft rib 31 and the second woven soft rib 32 on the other short side are hinged with the circumferential direction of the second connecting sleeve 2.

When reducing cover subassembly 3 received axial compressive force, soft muscle 32 concerted movement is woven to first weaving soft muscle 31 and second to all tend to be close to and be on a parallel with the circumferential motion of reducing cover subassembly 3, above-mentioned first direction and second direction respectively with the reducing cover subassembly 3 between the circumference contained angle all reduce, and first direction and second direction respectively with the reducing cover subassembly 3 between the axial contained angle all increase, whole reducing cover subassembly 3 is by axial compression, the diameter grow. When reducing cover subassembly 3 received axial tensile force, soft muscle 32 concerted movement is woven to first weaving soft muscle 31 and second to all tend to being close to and being on a parallel with the axial motion of reducing cover subassembly 3, first direction and second direction respectively with the reducing cover subassembly 3 between the circumference contained angle all increase, and first direction and second direction respectively with the reducing cover subassembly 3 between the axial contained angle all reduce, whole reducing cover subassembly 3 is elongated by the axial, the diameter diminishes.

Alternatively, each first woven soft rib 31 may comprise a plurality of first connecting segments that are sequentially hinged, and/or each second woven soft rib 32 comprises a plurality of second connecting segments that are sequentially hinged, the second connecting segments being hinged with the corresponding first connecting segments, so as to improve the degree of freedom of deformation of various places on the first woven soft rib 31 and/or the second woven soft rib 32.

Further, the adjustable sizing device for the pipeline production line further comprises a driving device, wherein the driving device is in transmission connection with the second connecting sleeve 2 and is used for driving the second connecting sleeve 2 to move axially so as to adjust the distance between the second connecting sleeve 2 and the first connecting sleeve 1, and therefore the variable diameter sleeve assembly 3 is compressed or stretched. Obviously, in other embodiments, the driving device can also be connected with the first connecting sleeve 1 and the second connecting sleeve 2 at the same time, and drives the two to move simultaneously relatively or oppositely so as to adjust the distance between the two.

Illustratively, the driving device comprises a driving piece 4, a transmission rod assembly and a transmission assembly which are connected in sequence in a transmission manner. The driving piece 4 and the first connecting sleeve 1 are fixed on the first flange 7. The drive link assembly includes two drive links 61 spaced apart one above the other. The driving member 4 is in driving connection with the upper driving rod 61 to drive it to rotate. The drive 4 is preferably a ratchet wrench. The lower transmission rod 61 is in transmission connection with the upper transmission rod 61 through a belt pulley 62 and a belt 63. The upper transmission rod 61, the lower transmission rod 61 and the belt wheel 62 are arranged on the second flange plate 8 and the third flange plate 9 which are arranged at intervals. The transmission rod assembly further comprises two auxiliary wheels 64 arranged between the second flange plate 8 and the third flange plate 9, and the two auxiliary wheels 64 are in transmission connection with the two belt wheels 62 through a belt 63. The two belt wheels 62 and the two auxiliary wheels 64 are uniformly distributed on the circumference of the reducing sleeve component 3.

The transmission assembly comprises a plurality of transmission members 51 distributed around the second connecting sleeve 2. Illustratively, the transmission members 51 are four in number and are uniformly distributed in the circumferential direction of the second connection sleeve 2. As shown in fig. 1, the upper and lower transmission members 51 are driving members for driving the second connection sleeve 2 to move axially; the other two transmission members 51 distributed in the front-back direction are driven members and move together with the second connection sleeve 2 to guide the second connection sleeve 2. The transmission member 51 includes a transmission member body 511 and a locking protrusion 512 disposed on a circumferential direction thereof. The second connecting sleeve 2 is provided with a circumferential clamping groove 21, and the clamping protrusion 512 is inserted into the circumferential clamping groove 21 to realize transmission between the transmission member 51 and the second connecting sleeve 2.

The upper and lower transmission members 51 are respectively connected with the upper and lower transmission rods 61 in a transmission manner and move along the transmission rods 61 in the axial direction. The transmission member body 511 is sleeved on the transmission rod 61, and the transmission member body and the transmission rod are connected through threads, so that the transmission is stable. The transmission part body 511 is preferably a nut, so that materials are convenient to obtain, and the cost is low. The minimum moving distance between the transmission piece 51 and the second connecting sleeve 2 can be controlled by controlling the thread pitch of the threads, so that the inner diameter of the reducing sleeve component 3 is accurately controlled, and the shape precision of a pipeline product is ensured. The other two transmission members 51 are respectively sleeved on the two guide rods, and one end of each guide rod is fixed on the third flange plate 9.

Further, the adjustable sizing device for the pipeline production line further comprises a limiting member (not shown in the figure) for limiting the movement of the second connecting sleeve 2 close to or away from the first connecting sleeve 1, so as to prevent the reducing sleeve assembly 3 from being compressed or stretched excessively. For example, the limiting member may be a protrusion disposed on the transmission rod 61 to limit the transmission member 51, and further limit the reducing sleeve assembly 3.

In the pipeline production line that this embodiment provided is with adjustable constant diameter device, first adapter sleeve 1, reducing sleeve subassembly 3 and second adapter sleeve 2, the passageway that supplies the pipeline goods to pass through is constituteed jointly to the three, when reducing sleeve subassembly 3 received axial compressive force, soft muscle 32 concerted motion is woven to first soft muscle 31 of weaving and second, and all tend to the circumferential motion near reducing sleeve subassembly 3, whole reducing sleeve subassembly 3 is by axial compression, the diameter grow, on the contrary, when reducing sleeve subassembly 3 received axial tensile force, first weave soft muscle 31 and second and weave soft muscle 32 and all tend to the axial motion near reducing sleeve subassembly 3, whole reducing sleeve subassembly 3 is elongated by the axial, the diameter diminishes. Can adjust the interval of first adapter sleeve 1 and second adapter sleeve 2 according to the external diameter dimension of predetermineeing of pipeline product, corresponding compression or tensile reducing cover subassembly 3 to adjust the internal diameter of reducing cover subassembly 3, in order to stereotype the pipeline product of different specifications, need not to make a plurality of sizing devices, equipment cost is low, and need not often to change the sizing device, labour saving and time saving improves production efficiency.

This embodiment still provides a pipeline production line, adopts foretell pipeline production line to use adjustable sizing device, and this pipeline production line produces the pipeline product of multiple external diameter specification, need not to change sizing device, and equipment cost is low, and production efficiency is high.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.