CN111283993A

CN111283993A - Low-hardness PVC (polyvinyl chloride) spool pipe opening flaring device

Info

Publication number: CN111283993A
Application number: CN202010303875.4A
Authority: CN
Inventors: 徐沛; 徐任飞; 黄海峰
Original assignee: Zhenjiang College
Current assignee: Zhenjiang College
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-06-16

Abstract

The invention discloses a low-hardness PVC (polyvinyl chloride) wire tube orifice flaring device which comprises a bottom plate and a support, wherein a gear shaft is arranged at the lower part of the support, a shaft sleeve is arranged on the gear shaft, a main bevel gear is arranged on the shaft sleeve, bearing sleeve seats are arranged at two sides of the main bevel gear, an auxiliary rotating shaft is arranged in a shaft hole of each bearing sleeve seat, one end of each auxiliary bevel gear is an auxiliary bevel gear, the other end of each auxiliary bevel gear is provided with a swinging arm, the support is provided with a main rotating shaft, the lower part of the main rotating shaft is an arc-shaped rotating handle, a first transmission arm is arranged on; the end part of the swing arm is hinged with a spring plate, a spring is arranged between the two spring plates, and an opening expanding part is arranged on the outer side of each spring plate. The invention can expand the pipe orifice of the low-hardness PVC wire pipe, is convenient for the connection between two wire pipes, saves the loss of construction materials, improves the pipe connecting efficiency of the wire pipe, and also ensures the stability after the pipe connection.

Description

Low-hardness PVC (polyvinyl chloride) spool pipe opening flaring device

Technical Field

The invention belongs to the related technical field of electric power supplies, and relates to a flaring device for a pipe orifice of a low-hardness PVC (polyvinyl chloride) wire pipe.

Background

In the electric power circuit work progress, when being improper to the use length calculation of spool, just can only reuse new spool, the spool of not enough length then is abandoned, the waste of consumptive material will appear, and the costsly is improved, if can connect two spools, just can get up the spool make full use of abandoning, has avoided the consumptive material extravagant.

Disclosure of Invention

The invention aims to solve the problem that the consumed materials of a conduit are wasted due to insufficient length in the construction in the prior art, and provides a flaring device for a pipe orifice of a low-hardness PVC conduit.

In order to achieve the purpose, the invention adopts the following technical scheme:

a low-hardness PVC spool pipe orifice flaring device comprises a bottom plate and a vertical support arranged on the bottom plate, wherein a gear shaft is arranged at the lower part of the support and is vertical to the support, a shaft sleeve is arranged on the gear shaft and is provided with a main bevel gear, bearing sleeve seats are arranged on two sides of the main bevel gear and are positioned on the bottom plate, an auxiliary rotating shaft is arranged in a shaft hole of each bearing sleeve seat, one end of the auxiliary rotating shaft is an auxiliary bevel gear meshed with the main bevel gear, and a swinging arm is arranged at the other end of the auxiliary rotating shaft and is vertical to the auxiliary rotating shaft; the support is provided with two shaft holes, a main rotating shaft penetrates through the two shaft holes and is parallel to the support, the upper portion of the main rotating shaft is provided with a motor, the lower portion of the main rotating shaft is provided with an arc-shaped rotating handle, a first transmission arm is arranged on the shaft sleeve, one end of the first transmission arm is fixed on the shaft sleeve, a second transmission arm is arranged between the other end of the first transmission arm and the tail end of the rotating handle, one end of the second transmission arm is rotatably connected with the rotating handle, and the other end of the second transmission arm is hinged to the end portion; the end parts, far away from the auxiliary rotating shaft, of the swing arms are hinged to spring plates, springs are arranged between the spring plates of the two swing arms, flaring parts are arranged on the outer sides of the spring plates, the two swing arms move up and down in a staggered mode, and the flaring parts of the two swing arms move in the pipe orifices of the wire pipes to flare.

As a further preferred option, the length of the oscillating arm is adjustable.

As a further preferable scheme, the swing arm is divided into a front arm and a rear arm, an adjusting arm is arranged between the front arm and the rear arm, the adjusting arm is respectively perpendicular to the front arm and the rear arm, the front arm and the rear arm are respectively arranged at two sides of the adjusting arm, a plurality of mounting holes are arranged on the adjusting arm along the length direction, and both the front arm and the rear arm can be fixed in the mounting holes.

More preferably, the flared portion is made of a metal material, and the flared portion incorporates a heating sheet.

As a further preferable mode, the flared part is of a semicircular structure, and a convex surface of the flared part faces outwards.

The invention can expand the pipe orifice of the low-hardness PVC wire pipe, is convenient for the connection between two wire pipes, saves the loss of construction materials, improves the pipe connecting efficiency of the wire pipe, and also ensures the stability after the pipe connection.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the linkage of the actuator arm;

FIG. 3 is a schematic view of a swing arm;

wherein: 1-bottom plate, 2-support, 3-main bevel gear, 4-bearing sleeve seat, 5-auxiliary rotating shaft, 6-auxiliary bevel gear, 7-swing arm, 71-front arm, 72-rear arm, 73-adjusting arm, 8-shaft hole, 9-main rotating shaft, 10-shaft sleeve, 11-motor, 12-rotating handle, 13-first driving arm, 14-second driving arm, 15-spring plate, 16-spring, 17-flared part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.

As shown in fig. 1, the flaring device for the pipe orifice of the low-hardness PVC conduit comprises a bottom plate 1 and a vertical support 2 arranged on the bottom plate 1, wherein a gear shaft is arranged at the lower part of the support 2, the gear shaft is perpendicular to the support 1, a shaft sleeve 10 is arranged on the gear shaft, the shaft sleeve 10 can rotate on the gear shaft, a main bevel gear 3 is arranged on the shaft sleeve 10, and the shaft sleeve 10 drives the main bevel gear 3 to rotate;

bearing sleeve seats 4 are arranged on two sides of the main bevel gear 3, the bearing sleeve seats 4 are positioned on the bottom plate 1, an auxiliary rotating shaft 5 is arranged in a shaft hole of each bearing sleeve seat 4, one end of each auxiliary rotating shaft 5 is provided with an auxiliary bevel gear 6 meshed with the main bevel gear 3, teeth of the main bevel gear 3 are meshed with teeth of the auxiliary bevel gear 6 at an angle of 45 degrees, the other end of each auxiliary rotating shaft 5 is provided with a swinging arm 7, the swinging arms 7 are perpendicular to the auxiliary rotating shafts 5, and the two swinging arms 7 are positioned on the same side;

an upper shaft hole 8 and a lower shaft hole 8 are formed in the support 2, a main rotating shaft 9 penetrates through the two shaft holes 8, the main rotating shaft 9 is parallel to the support 2, a motor 11 is arranged at the upper part of the main rotating shaft 9, an arc-shaped rotating handle 12 is arranged at the lower part of the main rotating shaft 9, a first transmission arm 13 is arranged on the shaft sleeve 10, one end of the first transmission arm 13 is fixed to the shaft sleeve 10, a second transmission arm 14 is arranged between the other end of the first transmission arm and the tail end of the rotating handle 12, one end of the second transmission arm 14 is rotatably connected with the rotating handle 12, and the other end of;

the end part of the swing arm 7 far away from the auxiliary rotating shaft 5 is hinged with a spring plate 15, a spring 16 is arranged between the spring plates 15 of the two swing arms 7, the outer side of the spring plate 15 is provided with an expanding part 17, the two swing arms 7 move up and down in a staggered manner, and the expanding parts 17 of the two swing arms 7 move in the pipe orifice of the spool to expand.

When the automatic pipe expanding device is used, the motor 11 drives the main rotating shaft 9 to rotate, the rotating handle 12 is driven to do circumferential motion, namely the rotating handle 12 drives one end of the second transmission arm 14 to do circumferential motion, the rotating handle 12 is in rotational connection with the end portion of the second transmission arm 14, so that the first transmission arm 13 is pulled by the second transmission arm 14 to realize reciprocating motion in the left-right direction, the shaft sleeve 10 and the main bevel gear 3 are driven to rotate in a reciprocating mode, the auxiliary bevel gears 6 on two sides are also driven to rotate in a reciprocating mode by the reciprocating rotation of the main bevel gear 3, the two swing arms 7 swing up and down in a staggered mode, and the pipe orifice can be expanded by matching with the expanding portion 17 at the end portion of the swing arm 7.

During flaring, align two swing arms 7 to same height, put into mouth of pipe department with two flaring portions 17, then open motor 11, two swing arms 7 crisscross activity from top to bottom, two flaring portions 17 are continuous from inside to outside, strut the mouth of pipe from top to bottom to carry out the flaring action many times, cooperating the manual work and suitably rotating to tubular product, can carry out the flaring to each position of mouth of pipe, tubular product is stretched more evenly, is difficult for the fracture, the mouth of pipe part after the flaring just can embolia the mouth of pipe of other tubular products.

In order to meet the requirements of pipes with various calibers, two adjusting methods are adopted, firstly, the swing arm 7 adopts a length-adjustable design, the swing arm is fixed after the length is adjusted, and the longer the swing arm 7 is, the larger the movable distance between two flared parts 17 is; secondly, divide into forearm 71 and postbrachium 72 with swing arm 7, be equipped with adjusting arm 73 between forearm 71 and postbrachium 72, adjusting arm 73 is perpendicular with forearm 71 and postbrachium 72 respectively, and forearm 71 and postbrachium 72 are established respectively in the both sides of adjusting arm 73, be equipped with a plurality of mounting holes along length direction on the adjusting arm 73, forearm 71 and postbrachium 72 all can be fixed in the mounting hole, and the installation interval on adjusting arm 73 is adjusted to forearm 71 and postbrachium 72, can adjust the interval between two flared portion 17, and when the large-pitch, be fit for corresponding heavy-calibre tubular product.

In order to accelerate the flaring of the pipe orifice, the flaring portion 17 is made of metal, a heating sheet is arranged in the flaring portion 17, the flaring portion is heated and softened by locally increasing the temperature, and the flaring action is matched to realize rapid flaring.

In order to reduce the friction between the flared part 17 and the pipe orifice and avoid damaging the pipe, the flared part 17 is of a semicircular structure, and the convex surface of the flared part 17 faces outwards.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a low rigidity PVC spool mouth of pipe flaring device which characterized in that: the vertical type gear rack comprises a bottom plate (1) and a vertical type support (2) arranged on the bottom plate (1), wherein a gear shaft is arranged at the lower part of the support (2) and is vertical to the support (1), a shaft sleeve (10) is arranged on the gear shaft, a main bevel gear (3) is arranged on the shaft sleeve (10), bearing sleeve seats (4) are arranged on two sides of the main bevel gear (3), the bearing sleeve seats (4) are positioned on the bottom plate (1), an auxiliary rotating shaft (5) is arranged in a shaft hole of each bearing sleeve seat (4), one end of each auxiliary rotating shaft (5) is an auxiliary bevel gear (6) meshed with the main bevel gear (3), a swinging arm (7) is arranged at the other end of each auxiliary rotating shaft, and the swinging arm (7); the support is characterized in that two shaft holes (8) are formed in the support (2), a main rotating shaft (9) penetrates through the two shaft holes (8), the main rotating shaft (9) is parallel to the support (2), a motor (11) is arranged on the upper portion of the main rotating shaft (9), an arc-shaped rotating handle (12) is arranged on the lower portion of the main rotating shaft (9), a first transmission arm (13) is arranged on the shaft sleeve (10), one end of the first transmission arm (13) is fixed to the shaft sleeve (10), a second transmission arm (14) is arranged between the other end of the first transmission arm and the tail end of the rotating handle (12), one end of the second transmission arm (14) is rotatably connected with the rotating handle (12), and the other end of the second transmission arm; swing arm (7) are kept away from the articulated spring board (15) that is equipped with of tip of attaching pivot (5), are equipped with spring (16) between the spring board (15) of two swing arms (7), the outside of spring board (15) is equipped with flaring portion (17), and two swing arms (7) are crisscross the activity from top to bottom, and flaring portion (17) of two swing arms (7) are arranged in spool mouth of pipe internal movement and are carried out the flaring.

2. The low-hardness PVC conduit pipe orifice flaring device according to claim 1, characterized in that: the length of the swing arm (7) is adjustable.

3. The low-hardness PVC conduit pipe orifice flaring device according to claim 1, characterized in that: swing arm (7) divide into forearm (71) and postbrachium (72), are equipped with between forearm (71) and postbrachium (72) regulating arm (73), and regulating arm (73) are perpendicular with forearm (71) and postbrachium (72) respectively, and both sides in regulating arm (73) are established respectively in forearm (71) and postbrachium (72), be equipped with a plurality of mounting holes along length direction on regulating arm (73), and forearm (71) and postbrachium (72) all can be fixed in the mounting hole.

4. The low-hardness PVC conduit pipe orifice flaring device according to claim 1, characterized in that: the flaring portion (17) is made of metal materials, and a heating sheet is arranged in the flaring portion (17).

5. The low-hardness PVC conduit pipe orifice flaring device according to claim 1, characterized in that: the flaring portion (17) is of a semicircular structure, and the convex surface of the flaring portion (17) faces outwards.