CN112873887A

CN112873887A - Automatic hot melt welding equipment of plastic tubing

Info

Publication number: CN112873887A
Application number: CN202110022571.5A
Authority: CN
Inventors: 王景旺; 高元杰; 牛喆; 卜淑云
Original assignee: Tianjin Zhongcai Profiles Co ltd
Current assignee: Tianjin Zhongcai Profiles Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-06-01

Abstract

The invention discloses automatic hot-melt welding equipment for plastic pipes, which comprises a base, a first rack, a middle rack and a second rack, wherein the first rack, the middle rack and the second rack are sequentially arranged on the base; two parallel sliding rails are arranged on the base; the lower portions of the first and second frames are slidably disposed on the slide rail through first and second manipulation stages, respectively. The multi-station mode can be adopted in the application, so that the working efficiency is improved; the pipe fitting adopts a special clamp, so that the positioning precision is high, the welding deviation is reduced, and the welding quality is standardized; the welding melting depth of the pipe fitting is standardized, and the size consistency of the welded finished product is better; in addition, the problem that the waste gas is possibly scalded or sucked due to close-range operation during manual welding is avoided, the technical requirements on operators are reduced, the labor intensity of the operators is reduced, the clamps can be replaced to be compatible with a plurality of caliber specifications, and the equipment and the site investment are saved.

Description

Automatic hot melt welding equipment of plastic tubing

Technical Field

The invention relates to the technical field of plastic welding, in particular to automatic hot-melt welding equipment for plastic pipes.

Background

At present, the hot melt socket welding of the plastic pipes in the industry is mainly operated in a manual mode, and the specific operation mode is that plastic socket pipes and plastic pipes are manually held on a heating plate respectively to be heated and melted, the plastic pipes and the pipe fittings are taken down after a certain time is reached, and the pipes are quickly inserted into pipe sockets to be cooled. The socket joint deflection is easily caused by manual operation, so that the leakage hidden danger is generated in the later period; the socket depth is inaccurate, the size consistency of a finished product is poor, the diameter reduction of the pipe can be caused to influence the flow of the pipeline due to too deep socket, and the insufficient strength of a welding part can be caused due to too shallow socket; the manual close-range operation can suck harmful waste gas to affect health; when the manual operation is carried out, the labor intensity of personnel is high, and the requirement on the operational skill of the personnel is high.

Disclosure of Invention

The invention aims to provide automatic hot-melt welding equipment for plastic pipes, which solves the problems that the efficiency is low and the health of workers is influenced when the conventional plastic pipes are subjected to hot-melt welding.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention provides automatic hot-melt welding equipment for plastic pipes, which comprises a base, a first rack, a middle rack and a second rack, wherein the first rack, the middle rack and the second rack are sequentially arranged on the base;

two parallel sliding rails are arranged on the base; the lower parts of the first rack and the second rack are respectively arranged on the sliding track in a sliding way through a first operating platform and a second operating platform, and a first cylinder fixing seat and a second cylinder fixing seat are respectively arranged at two end parts of the base;

a first lower clamp is arranged on the first operating platform, a first upper clamp which can stretch towards the direction of the first lower clamp is arranged on the first frame, a pipe positioning cylinder is arranged on the first operating platform and close to one end part of the middle frame, a pipe positioning plate is arranged at the stretching end of the pipe positioning cylinder, and a first propulsion cylinder for adjusting the first operating platform to slide on the sliding track is arranged on the first cylinder fixing seat;

the middle frame is positioned between the first frame and the second frame on the base, the bottom of the middle frame is fixed on the base, the middle frame is provided with a heating plate which can extend downwards, and a second pipe welding die head and a first pipe welding die head are respectively arranged on the heating plate relative to two side surfaces of the first frame and the second frame;

the lower part of the second rack is slidably arranged on the sliding rail through a second operating platform, a second lower clamp is arranged on the second operating platform, a second upper clamp which can stretch in the direction of the second lower clamp is arranged on the second rack, and a second heating cylinder which is used for adjusting the second operating platform is arranged on the second cylinder fixing seat.

Furthermore, sliding accessories connected with the sliding rail in a limiting sliding mode are mounted on the bottom surfaces of the first operating platform and the second operating platform respectively.

Still further, the slide rail is two parallel slide bars, the slide annex is spacing cover and is established the spacing seat of arc on the slide bar.

Still further, a first compressing cylinder which extends downwards is arranged on the first frame, and a first upper clamp facing the first lower clamp is arranged at the telescopic end of the first compressing cylinder.

Still further, a second pressing cylinder for adjusting the second lower clamp and the second upper clamp is mounted on the second frame.

Still further, a first heating cylinder is installed between the first operating table and the first propulsion cylinder.

Still further, a heating plate propelling cylinder for adjusting the lifting of the heating plate is arranged on the middle machine frame.

Still further, the second pipe welding die and the first pipe welding die are mounted on both end sides of the heating plate by bolts.

Compared with the prior art, the invention has the beneficial technical effects that: the multi-station mode can be adopted in the application, so that the working efficiency is improved; the pipe fitting adopts a special clamp, so that the positioning precision is high, the welding deviation is reduced, and the welding quality is standardized; the welding melting depth of the pipe fitting is standardized, and the size consistency of the welded finished product is better;

in addition, the problem that the waste gas is possibly scalded or sucked due to close-range operation during manual welding is avoided, the technical requirements on operators are reduced, the labor intensity of the operators is reduced, the clamps can be replaced to be compatible with a plurality of caliber specifications, and the equipment and the site investment are saved.

Drawings

The invention is further illustrated in the following description with reference to the drawings.

FIG. 1 is a schematic view of the main body of an automatic thermal fusion welding apparatus for plastic pipes according to the present invention;

FIG. 2 is a schematic view of a first frame structure of the automatic thermal fusion welding apparatus for plastic pipes according to the present invention;

FIG. 3 is a schematic view of a frame of the automatic thermal fusion welding apparatus for plastic pipes according to the present invention;

fig. 4 is a schematic structural view of a second frame in the automatic thermal fusion welding apparatus for plastic pipes according to the present invention.

Description of reference numerals:

1. a base; 1a, a sliding track; 2. a middle frame; 3. the heating plate propels the cylinder; 4. heating plates; 4a, a first pipe welding die head; 4b, a second pipe welding die head;

5. a first frame; 6. a first hold-down cylinder; 6a, a first upper clamp; 7. a first operation table; 7a, a first lower clamp; 8. a pipe positioning cylinder; 8a, a pipe positioning plate; 9. a first cylinder fixing seat; 9a, a first propulsion cylinder; 9b, a first heating cylinder;

10. a second operation table; 10a, a second lower clamp; 10b, a sliding accessory; 11. a second frame; 12. a second hold-down cylinder; 12a, a second upper clamp; 13. a second cylinder fixing seat; 13a, a second heating cylinder.

Detailed Description

Referring to fig. 1, the embodiment discloses an automatic hot melt welding device for plastic pipes, which includes a base 1, and a first frame 5, a middle frame 2 and a second frame 11 sequentially mounted on the base 1, wherein the first frame 5 and the second frame 11 are respectively used for positioning and mounting pipes to be welded, and a heating plate for heating an end of the pipe is mounted on the middle frame 2, so as to perform the positioning hot melt welding on the positioned pipe; two ends of the base 1 are also provided with propulsion cylinders for movably welding the hot-melted pipes;

when the horizontal sliding adjustment is performed, in the embodiment, two parallel sliding rails 1a are installed on the base 1, wherein specifically, sliding accessories 10b connected with the sliding rails 1a in a limiting sliding manner are respectively installed on the bottom surfaces of the first operating platform 7 and the second operating platform 10; referring to fig. 2, the sliding track 1a is two parallel sliding rods, and the sliding accessory 10b is an arc-shaped limiting seat sleeved on the sliding rods for adjusting sliding according to requirements;

referring to fig. 1, the lower portions of the first frame 5 and the second frame 11 are slidably mounted on the sliding rail 1a through a first console 7 and a second console 10, respectively, a first cylinder fixing seat 9 and a second cylinder fixing seat 13 are mounted at two end portions of the base 1, respectively, and a first pushing cylinder 9a for adjusting the sliding of the first console 7 on the sliding rail 1a is mounted on the first cylinder fixing seat 9; a first heating cylinder 9b is arranged between the first operating platform 7 and the first propulsion cylinder 9a, wherein the first propulsion cylinder 9a and the first heating cylinder 9b drive the heated pipe fittings to perform adjusting welding butt joint action.

In the embodiment, referring to fig. 1, on the base 1, the middle frame 2 is located between the first frame 5 and the second frame 11, the bottom of the middle frame 2 is fixed to the side of the base 1, a heating plate 4 capable of extending downward is installed on the middle frame 2, a second pipe welding die 4b and a first pipe welding die 4a are installed on the heating plate 4, respectively opposite to two side surfaces of the first frame 5 and the second frame 11, where the second pipe welding die 4b is used for heating the outer wall of a pipe, and the first pipe welding die 4a is used for heating the inner wall of a pipe, so as to facilitate the heat fusion welding of the two pipes;

a heating plate pushing cylinder 3 for adjusting the heating plate 4 to lift is mounted on the middle frame 2, and the second pipe welding die head 4b and the first pipe welding die head 4a are mounted on two end sides of the heating plate 4 through bolts; a round hole is formed in the center of the heating plate 4 and used for installing a fixing bolt, and the second pipe welding die head 4b and the first pipe welding die head 4a are respectively and tightly attached to the heating plate 4 through the fixing bolt, so that the temperature of the heating plate 4 is transmitted to the second pipe welding die head 4b and the first pipe welding die head 4 a; therefore, the second pipe welding die head 4b and the first pipe welding die head 4a respectively keep the same straight line with the pipes which are limited and fixed on the first operating platform 7 and the second operating platform 10 by adjusting the lifting of the heating plate 4, so that the end parts of the pipes are limited and heated conveniently.

When positioning operation is performed, a second heating cylinder 13a for adjusting the sliding of the second operating platform 10 on the sliding rail 1a is installed on the second cylinder fixing seat 13; the end part of the pipe fixed at the upper limit of the first operating platform 7 is adjusted to be in contact fit with the second pipe welding die head 4b on the heating plate through the first propulsion cylinder 9a, and the end part of the pipe fixed at the upper limit of the second operating platform 10 is adjusted to be in heating hot melting with the first pipe welding die head 4a through the second heating cylinder 13a, so that the welding of the pipe is realized;

referring to fig. 2, in this embodiment, a first lower clamp 7a is installed on the first operating platform 7, a first upper clamp 6a which can extend and retract in the direction of the first lower clamp 7a is installed on the first machine frame 5, a pipe positioning cylinder 8 is installed on the first operating platform 7 near one end of the middle machine frame 2, and a pipe positioning plate 8a is installed on the extending and retracting end of the pipe positioning cylinder 8, wherein the pipe positioning plate 8a is only used for limiting a right-side pipeline, so as to control a welding melting depth, and when the pipe is fixed by pressing down the pipe upper clamp 6a, the pipe positioning plate 8a can be retracted, so as to ensure the flatness of the pipe; a first propulsion cylinder 9a for adjusting the sliding of the first operating platform 7 on the sliding rail 1a is mounted on the first cylinder fixing seat 9; in this embodiment, a first compressing cylinder 6 which stretches out and draws back downwards is installed on the first frame 5, a first upper clamp 6a facing the first lower clamp 7a is installed at the stretching end of the first compressing cylinder 6, so that the distance between the first upper clamp 6a and the first lower clamp 7a is adjusted, the pipes with different pipe diameters are limited and fixed, and the application range of the pipes is widened.

A lower portion of the second frame 11 is slidably mounted on the sliding rail 1a through a second operating platform 10, a second lower jig 10a is mounted on the second operating platform 10, a second upper jig 12a which can extend and contract in a direction of the second lower jig 10a is mounted on the second frame 11, and a second heating cylinder 13a for adjusting the sliding of the second operating platform 10 on the sliding rail 1a is mounted on the second cylinder fixing seat 13; and a second pressing cylinder 12 for adjusting the second lower clamp 10a and the second upper clamp 12a is mounted on the second frame 11, so that the second lower clamp 10a and the second upper clamp 12a are adjusted through the second pressing cylinder 12 to realize the limiting and fixing of pipes with different pipe diameters.

The working process of the embodiment:

the heating plate 4 is heated to a predetermined temperature.

Ii, press "location" button, the spacing cylinder 8 of tubular product drives tubular product locating plate 8a and rises.

And iii, putting the pipe fitting into the pipe fitting clamp, pressing a 'pipe fitting pressing' button, and driving the first upper clamp 6a and the second upper clamp 12a above the pipe fitting to move downwards by using the first pressing air cylinder 6 and the second pressing air cylinder 12 respectively so as to press the pipe fitting.

Iv, placing the pipe between the first upper clamp 6a and the first lower clamp 7a, enabling the left end of the pipe to be in contact with the top surface of the pipe positioning plate 8a, pressing a pipe pressing button, and enabling the first upper clamp 6a to move towards the first lower clamp 7a in a pressing mode, so that the pipe is pressed.

V, press "start" button, the spacing cylinder of tubular product 8 drives tubular product limiting plate 8a and descends, then the hot plate impels cylinder 3 to drive hot plate 4 and descend, then first heating cylinder 9b and second heating cylinder 13a drive tubular product respectively to be close to first tubular product welding die 4a and second tubular product welding die 4b of hot plate 4.

Vi, reach first heating cylinder 9b after the stipulated time and drive first operation panel 7 to keeping away from the direction of hot plate 4 removes, second heating cylinder 13a drives second operation panel 10 simultaneously to also keeping away from the direction of hot plate 4 is certain, and the even heating of the tip of two tubular products is accomplished this moment.

Vii, the heating plate pushing cylinder 3 drives the heating plate 4 to rise.

After the heating plate 4 ascends to the right position, the first pushing cylinder 9a and the first heating cylinder 9b are utilized to drive the first operating platform 7 to slide towards the direction close to the second operating platform 10, so that the heated pipe is inserted into the pipe socket, and after cooling for 10-15s, the first upper clamp 6a and the second upper clamp 12a are simultaneously loosened.

Ix, first propulsion cylinder 9a is reset and welding is complete.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above embodiments are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims

1. The utility model provides an automatic hot melt welding equipment of plastic tubing which characterized in that: comprises a base (1), a first frame (5), a middle frame (2) and a second frame (11) which are sequentially arranged on the base (1);

two parallel sliding rails (1a) are arranged on the base (1); the lower parts of the first rack (5) and the second rack (11) are slidably arranged on the sliding track (1a) through a first operating platform (7) and a second operating platform (10), and a first cylinder fixing seat (9) and a second cylinder fixing seat (13) are arranged at two ends of the base (1) respectively;

a first lower clamp (7a) is mounted on the first operating platform (7), a first upper clamp (6a) which can extend and retract towards the first lower clamp (7a) is mounted on the first rack (5), a pipe positioning cylinder (8) is arranged on the first operating platform (7) and close to one end of the middle rack (2), a pipe positioning plate (8a) is mounted on the extending and retracting end of the pipe positioning cylinder (8), and a first pushing cylinder (9a) for adjusting the first operating platform (7) to slide on the sliding rail (1a) is mounted on the first cylinder fixing seat (9);

on the base (1), the middle frame (2) is located between the first frame (5) and the second frame (11), the bottom of the middle frame (2) is fixed on the base (1), the middle frame (2) is provided with a heating plate (4) capable of extending downwards, and a second pipe welding die head (4b) and a first pipe welding die head (4a) are arranged on the heating plate (4) respectively opposite to two side faces of the first frame (5) and the second frame (11);

the lower part of second frame (11) passes through second operation panel (10) slidable and sets up on slip track (1a) anchor clamps (10a) down are installed to second operation panel (10) on install on second frame (11) can be to the second anchor clamps (12a) are gone up to the direction that anchor clamps (10a) down go on the flexible second, install on second cylinder fixing base (13) and be used for adjusting second operation panel (10) are in slip second heating cylinder (13a) on slip track (1 a).

2. An automatic hot-melt welding apparatus for plastic pipes according to claim 1, wherein: and sliding accessories (10b) in limited sliding connection with the sliding rail (1a) are respectively arranged on the bottom surfaces of the first operating platform (7) and the second operating platform (10).

3. An automatic hot-melt welding apparatus for plastic pipes according to claim 2, wherein: the sliding rail (1a) is two parallel sliding rods, and the sliding accessory (10b) is an arc-shaped limiting seat sleeved on the sliding rods.

4. An automatic hot-melt welding apparatus for plastic pipes according to claim 1, wherein: a first downward telescopic pressing cylinder (6) is mounted on the first frame (5), and a first upper clamp (6a) facing the first lower clamp (7a) is mounted at the telescopic end of the first pressing cylinder (6).

5. An automatic hot-melt welding apparatus for plastic pipes according to claim 1, wherein: and a second pressing cylinder (12) for adjusting the second lower clamp (10a) and the second upper clamp (12a) is arranged on the second frame (11).

6. An automatic hot-melt welding apparatus for plastic pipes according to claim 1, wherein: a first heating cylinder (9b) is installed between the first operation table (7) and the first propulsion cylinder (9 a).

7. An automatic hot-melt welding apparatus for plastic pipes according to claim 1, wherein: and the heating plate propulsion cylinder (3) for adjusting the lifting of the heating plate (4) is arranged on the middle frame (2).

8. An automatic hot-melt welding apparatus for plastic pipes according to claim 1, wherein: the second pipe welding die head (4b) and the first pipe welding die head (4a) are mounted on both end sides of the heating plate (4) by bolts.