CN219705342U - PE pipeline hemming excision device - Google Patents

Abstract

The utility model discloses a PE pipeline hemming cutting device, which comprises a sleeve component sleeved on a PE pipeline, a scraper arranged on the sleeve component and used for scraping a hemming on the PE pipeline, and a hand lever used for driving the sleeve component to rotate on the PE pipeline, wherein the scraper is used for scraping the hemming on the PE pipeline; wherein the sleeve assembly comprises two half-sleeves; the two half sleeves are connected with each other through a detachable structure. The device can assist operating personnel to excision the turn-up, and excision in-process can be along the circumferencial direction excision of PE pipeline, and the operation process is very simple, labour saving and time saving, has greatly improved work efficiency and excision quality.

Description

PE pipeline hemming excision device

Technical Field

The utility model relates to the technical field of PE gas pipeline welding construction equipment, in particular to a PE pipeline hemming cutting device.

Background

The PE pipeline is made of PE (polyethylene) material and has the characteristics of high strength, corrosion resistance, no toxicity and the like. Can be used for conveying tap water and fuel gas. In the field of gas transportation, welding is generally used when two PE pipes are connected. Welding of PE pipes is classified into electric fusion welding and hot fusion welding. During hot-melt welding, the welding machine is used for heating the adjacent two ends of the two sections of PE pipelines which are required to be connected through welding, after the adjacent two ends of the PE pipelines are melted, the adjacent two ends of the two PE pipelines are quickly bonded, and after cooling, the two adjacent two ends of the PE pipelines can be firmly connected together. After cooling, the joint part of the two PE pipes is bonded to form a bulge, commonly called a curled edge.

The curled edges formed after welding the two PE pipelines need to be cut off, a scraper tool is usually adopted for scraping, in the prior art, the scraper tool is a common cutter, the scraper tool is used for translational scraping during scraping, the level of operators is greatly relied on, and scraping is complex and laborious, so that the working efficiency cannot be improved.

Disclosure of Invention

The utility model aims to solve the problems, and provides a PE pipeline hemming cutting device which can assist an operator to cut off a hemming, and can cut off along the circumferential direction of a PE pipeline in the cutting process, so that the operation process is very simple, time and labor are saved, and the working efficiency and the cutting quality are greatly improved.

The aim of the utility model is achieved by the following technical scheme:

a PE pipeline hemming cutting device comprises a sleeve assembly, a scraper and a hand lever, wherein the sleeve assembly is sleeved on a PE pipeline, the scraper is arranged on the sleeve assembly and used for scraping a hemming on the PE pipeline, and the hand lever is used for driving the sleeve assembly to rotate on the PE pipeline; wherein the sleeve assembly comprises two half-sleeves; the two half sleeves are connected with each other through a detachable structure.

The working principle of the PE pipeline hemming cutting device is as follows:

during operation, pipe sleeve two half-sleeve is on PE pipeline, then connects two half-sleeve through detachable construction for sleeve pipe subassembly cover is on the PE pipeline, through rotating the handspike, drives sleeve pipe subassembly along PE pipeline circumferencial direction rotation, drives the scraper and also rotates, rotates the turn-up on the scraper can be to the PE pipeline and excision.

In a preferred embodiment of the present utility model, the number of the hand bars is plural, and plural hand bars are respectively disposed on each half sleeve. Through setting up a plurality of hand poles, when rotating the hand pole, it is more convenient, can snatch the hand pole of being convenient for rotate according to actual conditions and drive, improved flexibility and the convenience of use.

Preferably, two hand bars are arranged on each half sleeve, and the two hand bars are distributed at three equal parts of the half sleeve. Through setting up above-mentioned structure for the hand pole distributes more evenly.

Preferably, the hand lever is connected with the half sleeve through welding or mortise and tenon joint. The purpose is that the stability of the installation of the hand lever is further improved.

Preferably, the scraper is arranged on the side of one of the half-sleeves. The scraper is arranged on the side face of the half sleeve, so that the curled edge can be scraped more conveniently. In order to ensure that the scraper completely scrapes the curled edge, the scraper is an arc scraper and is attached to the half sleeve, so that the root of the curled edge can be cut off during cutting, and the cutting quality is improved.

Preferably, the side surfaces of both said half-sleeves are provided with mounting interfaces for mounting the doctor blades. The scraper is convenient to replace when damaged.

Preferably, the blade edge of the scraper extends towards the axis of the half-sleeve. When adopting above-mentioned structure, at first scrape the turn-up a small part with the cutter through operating personnel, supply the scraper to get into, then through stirring the hand lever, drive two half sleeve pipes and rotate along the circumferencial direction of PE pipeline, the scraper is with the turn-up excision.

In a preferred embodiment of the present utility model, the detachable structure includes a groove provided on one side of each half-sleeve and a projection provided on the other side of each half-sleeve; wherein, two half sleeve pipes are connected with each other through the buckling of the groove and the raised head. In the structure, namely, each half sleeve is provided with a groove and a raised head, the two half sleeves are respectively a first half sleeve and a second half sleeve, and when the two half sleeves are buckled, the groove of the first half sleeve is buckled with the raised head of the second half sleeve; the convex head of the first half sleeve is buckled and connected with the groove of the second half sleeve, and the purpose of the convex head is to enable the stress on the two sides of the half sleeve to be more balanced when the convex head and the groove of the second half sleeve are buckled and connected, so that the service life of the half sleeve can be better prolonged.

Preferably, the grooves and the projections each extend along the axial direction of the half-sleeve. When in buckling, the groove of the first half sleeve is aligned with the convex head of the second half sleeve, and the convex head of the first half sleeve is aligned with the groove of the second half sleeve; the first half sleeve and the second half sleeve are mutually close, the raised head can enter the groove, the raised head can slide along the groove to complete the buckling of the two half sleeves, and when the two half sleeves are required to be detached, the two half sleeves are separated.

Preferably, the blade edge of the scraper is arranged obliquely with respect to the axis of the half-sleeve. The utility model aims at, after two half-sleeves are installed and sleeved on the PE pipeline, pushing the two half-sleeves to move on the PE pipeline and close to the curled edge until the scraper cuts into the curled edge and penetrates through, the inclined blade can better cut the scraper into the curled edge, then the hand lever is stirred to drive the two half-sleeves to rotate along the circumferential direction of the PE pipeline, and the scraper cuts off the curled edge.

Preferably, the removable structure comprises a connection seat provided on each half-sleeve and a bolt provided between the two connection seats. The two connecting seats are fixedly connected through the bolts, so that the two half sleeves are mutually fixed, dislocation of the two half sleeves cannot occur when the half sleeves are pushed to move, the two half sleeves are more convenient to move on the PE pipeline, and the cutting edge can better cut the scraper into the curled edge; when the two half-sleeve dismounting device is dismounted, the two connecting seats are loosened by screwing the bolts, so that the dismounting and separating of the two half-sleeves can be realized.

Compared with the prior art, the utility model has the following beneficial effects:

1. the PE pipeline hemming cutting device is simple and easy to obtain all parts in the device, and low in mass production cost.

2. According to the PE pipeline hemming cutting device, during operation, the two half sleeves are connected through the detachable structure, so that the sleeve assembly is sleeved on the PE pipeline, the sleeve assembly is driven to rotate along the circumferential direction of the PE pipeline by rotating the hand lever, the scraper is driven to rotate, the hemming on the PE pipeline can be cut off by rotating the scraper, and the operation process is very simple and convenient.

3. According to the PE pipeline hemming cutting device, the scraper scrapes the hemming in a rotating mode by operating the hand lever, so that the stress of the hemming is guaranteed to be carried out from the tangent plane of the contact surface, the scraping quality can be improved, and compared with the prior art, the PE pipeline hemming cutting device is more labor-saving, and the working efficiency is greatly improved. The PE pipeline hemming cutting device can be regarded as a lever device from the mechanical structure, and the labor-saving degree is adjusted by adjusting the length of the hand lever.

4. The PE pipeline hemming cutting device has low operation risk, and can be directly replaced when a certain part is damaged, so that the PE pipeline hemming cutting device is convenient to maintain.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of a PE pipe hemming-cutting apparatus according to the present utility model.

Fig. 2 is a schematic view of one of the half-sleeves of the present utility model with a hand lever mounted thereto.

Fig. 3 is a schematic view of the structure of the two half-shells of the present utility model after separation.

Fig. 4 is a schematic structural view of two half-sleeves sleeved on a PE pipeline in the present utility model.

Fig. 5 is a schematic view showing the structure of the PE pipe hemming cutting device (hidden handle) in an operating state, wherein the arrow direction indicates the rotating direction of the sleeve assembly.

Fig. 6 to 7 are schematic structural views of a second embodiment of a PE pipe hemming-cutting device according to the present utility model, wherein fig. 6 is a schematic structural view of the PE pipe hemming-cutting device, and fig. 7 is a schematic structural view of one of half sleeves to which a scraper is mounted.

Fig. 8 is a schematic structural view of a third embodiment of a PE pipe hemming-cutting apparatus according to the present utility model.

Detailed Description

In order that those skilled in the art will well understand the technical solutions of the present utility model, the following describes the present utility model further with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.

Example 1

Referring to fig. 1-5, the present embodiment discloses a PE pipe hemming cutting device, comprising a sleeve assembly for being sleeved on a PE pipe 6, a scraper 1 arranged on the sleeve assembly for scraping off a hemming on the PE pipe 6, and a hand lever 2 for driving the sleeve assembly to rotate on the PE pipe 6; wherein the sleeve assembly comprises two half-sleeves 3; the two half-sleeves 3 are connected with each other through a detachable structure.

Referring to fig. 1-5, the removable structure includes a recess 4 provided on one side of each half-sleeve 3 and a nose 5 provided on the other side of each half-sleeve 3; wherein the two half-sleeves 3 are connected in a buckling way through the grooves 4 and the raised heads 5 between each other. In the structure, namely, each half sleeve 3 is provided with the groove 4 and the raised head 5, the two half sleeves 3 are respectively a first half sleeve and a second half sleeve, and when in buckling, the groove 4 of the first half sleeve is buckled with the raised head 5 of the second half sleeve; the convex head 5 of the first half sleeve is buckled and connected with the groove 4 of the second half sleeve, and the purpose of the convex head is to enable the stress of the two sides of the half sleeve 3 to be more balanced when the convex head is buckled and connected, so that the service life of the half sleeve 3 can be better prolonged.

Referring to fig. 1-5, the recess 4 and the projection 5 each extend along the axial direction of the half-sleeve 3. When in buckling, the groove 4 of the first half sleeve is aligned with the convex head 5 of the second half sleeve, and the convex head 5 of the first half sleeve is aligned with the groove 4 of the second half sleeve; the first half sleeve and the second half sleeve are mutually close, the raised heads 5 can enter the grooves 4, the raised heads 5 can slide along the grooves 4 to finish the buckling of the two half sleeves 3, and when the two half sleeves 3 are required to be disassembled, the two half sleeves 3 are separated.

Referring to fig. 1-5, the cross-section of the raised head 5 is mushroom-shaped, and the groove 4 and the raised head 5 are mutually matched and connected, so that the purpose is to improve the buckling stability of the groove 4 and the raised head 5.

Referring to fig. 1 to 5, the number of the hand bars 2 is plural, and a plurality of hand bars 2 are respectively provided on each half sleeve 3. Through setting up a plurality of hand poles 2, when rotating hand pole 2, it is more convenient, can snatch the hand pole 2 of being convenient for to rotate according to actual conditions and drive, improved flexibility and the convenience of use.

Referring to fig. 1-5, two of said hand bars 2 are provided on each half-sleeve 3, two of said hand bars 2 being distributed at three equal portions of the half-sleeve 3. By setting the above structure, the distribution of the hand bars 2 is more uniform.

Referring to fig. 1-5, the hand shank 2 is welded or mortise-tenon connected to the half sleeve 3. The purpose is to further improve the stability of the mounting of the hand lever 2.

Referring to fig. 1-5, a reinforcing ring is arranged between the hand lever 2 and the half sleeve 3 to improve the stability of the connection between the hand lever 2 and the half sleeve 3.

Referring to fig. 1-5, the hand lever 2 has a cylindrical structure, and a rounded corner is provided at an end of the hand lever 2, so that the hand lever 2 becomes smoother, and safety is improved. The length of the half-sleeve 3 can be appropriately determined according to the size of the hand lever 2, and the longer the hand lever 2 is, the longer the half-sleeve 3 is.

Referring to fig. 1-5, the doctor blade 1 is arranged on the side of one of the half-shells 3. By arranging the scraper 1 on the side of the half sleeve 3, the curled edge can be scraped off more conveniently. In order to ensure that the scraper 1 completely scrapes the curled edge, the scraper 1 is an arc scraper 1 and is attached to the half sleeve 3, so that the root of the curled edge can be cut off during cutting, and the cutting quality is improved.

Referring to fig. 1-5, the sides of both said half-sleeves 3 are provided with mounting interfaces for mounting the doctor blade 1. The purpose of this is to facilitate replacement of the doctor blade 1 when it is damaged.

Referring to fig. 1-5, the blade edge of the doctor blade 1 extends in the direction of the axis of the half-sleeve 3. When adopting above-mentioned structure, at first scrape a small part of turn-up with the cutter through operating personnel, supply scraper 1 to get into, then through stirring handle bar 2, drive two half sleeve pipes 3 and rotate along the circumferencial direction of PE pipeline 6, scraper 1 will turn up the excision. The blade is slightly inclined downwards to ensure that it can be scraped off the root of the bead.

The half sleeve 3 is made of PE.

Referring to fig. 1 to 5, the working principle of the PE pipe hemming cutting device is as follows:

during operation, the two half-sleeve pipes 3 are sleeved on the PE pipeline 6, then the two half-sleeve pipes 3 are connected through the detachable structure, so that the sleeve pipe assembly is sleeved on the PE pipeline 6, the sleeve pipe assembly is driven to rotate along the circumferential direction of the PE pipeline 6 by rotating the hand lever 2, the scraper 1 is driven to rotate, and the curled edges on the PE pipeline 6 can be cut off by rotating the scraper 1.

Example 2

Referring to fig. 6 to 7, other specific structures in this embodiment are the same as those of embodiment 1, except that the blade edge of the doctor blade 1 is disposed obliquely with respect to the axis of the half-tube 3. The purpose is that after two half sleeves 3 are installed and sleeved on a PE pipeline 6, the two half sleeves 3 are pushed to move on the PE pipeline 6 and approach to the curled edge until a scraper 1 cuts into the curled edge and penetrates through the curled edge, the inclined cutting edge can better cut the scraper 1 into the curled edge, then the hand lever 2 is poked to drive the two half sleeves 3 to rotate along the circumferential direction of the PE pipeline 6, and the scraper 1 cuts off the curled edge.

Referring to fig. 6-7, the doctor blade 1 is pointed at the end remote from the side of the half-sleeve 3, the purpose of which is to facilitate cutting the doctor blade 1 into the bead.

Referring to fig. 6-7, the detachable structure comprises a connection seat 7 provided on each half-sleeve 3 and a bolt 8 provided between the two connection seats 7. The two connecting seats 7 are fixedly connected through the bolts 8, so that the two half-sleeves 3 are mutually fixed, when the half-sleeves 3 are pushed to move, the two half-sleeves 3 cannot be misplaced, the two half-sleeves 3 can move on the PE pipeline 6 more conveniently, and the scraper 1 can be cut into the curled edges better by the cutting edge; when the two half-sleeve 3 is detached, the two connecting seats 7 are loosened by screwing the bolts 8, so that the detachment and separation of the two half-sleeve 3 can be realized.

Referring to fig. 6-7, two sides of each half sleeve 3 are provided with connecting seats 7, and the number of bolts 8 is two, and the bolts are correspondingly arranged on two sides of the half sleeve 3. By arranging the structure, the stability of the connection of the two half sleeves 3 is further improved.

Example 3

Referring to fig. 8, other specific structures in this embodiment are the same as those in embodiment 1, except that the detachable structure includes grooves 4 provided on both sides of one half sleeve 3 and raised heads 5 provided on both sides of the other half sleeve 3, and the raised heads 5 are in one-to-one correspondence with the grooves 4 and are mutually connected in a matching manner. By providing the above structure, the snap-fit connection of the two half-sleeves 3 can be achieved as well.

The foregoing is illustrative of the present utility model, and is not to be construed as limiting thereof, but rather as various changes, modifications, substitutions, combinations, and simplifications which may be made without departing from the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The PE pipeline hemming and cutting device is characterized by comprising a sleeve assembly, a scraper and a hand lever, wherein the sleeve assembly is sleeved on a PE pipeline, the scraper is arranged on the sleeve assembly and is used for scraping a hemming on the PE pipeline, and the hand lever is used for driving the sleeve assembly to rotate on the PE pipeline; wherein the sleeve assembly comprises two half-sleeves; the two half sleeves are connected with each other through a detachable structure.

2. The PE pipe hemming cutting apparatus of claim 1 wherein the number of the hand bars is plural, and a plurality of hand bars are provided on each half sleeve, respectively.

3. The PE pipe hemming cutting apparatus of claim 2 wherein two of the hand bars are provided on each half sleeve, the two hand bars being distributed at three equal portions of the half sleeve.

4. The PE pipe hemming cutting apparatus of claim 1 wherein the scraper is disposed on a side of one of the half-sleeves.

5. A PE pipe hemming cut device according to claim 1 wherein both of the half-sleeves are provided with a mounting interface on the side for mounting the scraper.

6. The PE pipe hemming cutting apparatus of claim 4 wherein the blade edge of the scraper extends in the direction of the axis of the half sleeve.

7. The PE pipe hemming cutting apparatus of claim 6 wherein the removable structure includes a recess provided on one side of each half sleeve and a projection provided on the other side of each half sleeve; wherein, two half sleeve pipes are connected with each other through the buckling of the groove and the raised head.

8. The PE pipe hemming cutting apparatus of claim 7 wherein the groove and the projection each extend along an axial direction of the half sleeve.

9. The PE pipe hemming cutting apparatus of claim 4 wherein the blade edge of the scraper is disposed obliquely with respect to the axis of the half sleeve.

10. The PE pipe hemming cutting apparatus of claim 9 wherein the detachable structure includes a connection seat provided on each half sleeve and a bolt provided between the two connection seats.