CN116572538B

CN116572538B - Pipeline hot-melt welding machine

Info

Publication number: CN116572538B
Application number: CN202310604834.2A
Authority: CN
Inventors: 吴国泉; 柴湘君; 马贤林; 马晓磊
Original assignee: Hangzhou Rentong Pipe Industry Co ltd
Current assignee: Hangzhou Rentong Pipe Industry Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2024-01-02
Anticipated expiration: 2043-05-26
Also published as: CN116572538A

Abstract

The invention relates to the technical field of pipeline hot-melt welding, which is used for solving the problem that the existing pipeline alignment is easy to cause the occurrence of gaps in a pipeline after hot-melt welding and can not be used due to the fact that large errors exist in manual judgment.

Description

Pipeline hot-melt welding machine

Technical Field

The invention relates to the technical field of pipeline hot-melt welding, in particular to a pipeline hot-melt welding machine.

Background

The hot-melt welding is a connecting mode between nonmetal and nonmetal after heating to a melting point, and when two pipelines are hot-melt welded, the error allowable deviation range of pipe orifices is one tenth of the wall thickness of the pipelines, however, the traditional positioning mode is to make the two pipelines close to each other to be in contact, so that whether the positions of the pipe orifices of the two pipelines are within the deviation is manually judged, only the positions on the side surfaces and the upper surfaces of the pipelines can be manually judged, but the bottom position of the pipeline cannot be observed, and the judging mode has great error and is not comprehensive enough, so that the problem that the pipe orifices in the two pipelines are completely overlapped is not guaranteed, and further the problem that gaps appear in the hot-melt welding due to the misalignment of the pipe orifices easily occurs during the hot-melt welding.

In view of the above technical drawbacks, a solution is now proposed.

Disclosure of Invention

The invention aims to provide a pipeline hot-melt welding machine, which is used for solving the following technical problems:

the two circle centers of the pipelines are locked in advance, and the two circle centers are quickly overlapped through the positioning sleeve and the positioning block, so that the accurate alignment of the pipelines is realized, and the problem of large error in the existing positioning mode of the pipelines is solved; the transmission frame is driven to deflect through the cooperation of the lug and the driving groove by the electric push rod five, so that the transmission belt is matched with the arc-shaped transmission block to realize time-saving and labor-saving conveying of pipelines with different diameters, and the problem that the existing pipelines are usually manually conveyed and time-consuming and labor-consuming is solved.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the pipeline hot-melt welding machine comprises a first rack and a second rack, wherein the second rack is symmetrically fixed on two sides of the first rack, a first slide bar is fixedly connected to the inner side wall of the second rack, a slide plate is sleeved on the outer side of the first slide bar and is in sliding connection with the outer side of the first slide bar, the two slide plates are fixedly connected through a connecting rod, the top of the slide plate is fixedly connected with a first frame, a second frame and a third frame, and an alignment assembly is arranged at the bottom of the first frame;

the utility model discloses a motor vehicle seat structure, including frame one, frame one's inner wall top fixedly connected with slide rail, counterpoint subassembly includes two-way threaded rod and motor, the both ends of two-way threaded rod are all connected in through the bearing activity with the slide rail inner wall, frame one's inner wall fixed mounting has the motor that is used for driving two-way threaded rod pivoted, sliding connection has two seat that slide in the slide rail, the seat that slides and two-way threaded rod threaded connection, the bottom fixedly connected with electric putter one of seat that slides, electric putter one's output fixedly connected with moves down the board, and two move down the equal fixedly connected with electric putter second of board one side that the board was backed down, two move down adjacent one side of board and be fixed with locating piece and spacer sleeve respectively, the locating piece cooperatees with the spacer sleeve.

Further, the guide way has been seted up to one side of board that moves down, sliding connection has slider one in the guide way, the side of slider one is fixed with the arc backup pad through spot welding, electric putter's output fixedly connected with circle ejector pad, the circumference outside rotation of circle ejector pad is connected with the multiunit and supports the push rod, the one end that keeps away from the circle ejector pad and the arc backup pad inside wall rotation are connected to supporting the push rod, one side of board that moves down is annular array fixedly connected with multiunit guide bar, the circumference outside of circle ejector pad is annular array and has seted up the spacing groove, guide bar sliding connection is in the spacing inslot.

Further, the inside wall fixedly connected with slide bar two of frame one, slide bar two's outside cover is established sliding connection and is had a slide tube, the top fixedly connected with diaphragm one of slide tube, the top symmetry of diaphragm one is fixed with the riser, the top fixedly connected with diaphragm two of riser, the below of diaphragm two is provided with clamping assembly.

Further, the clamping assembly comprises an electric push rod III and a sliding plate, the electric push rod III is fixedly connected to the top of the transverse plate I and the bottom of the transverse plate II, the guide rail is fixedly connected to the side wall of the vertical plate, the two ends of the sliding plate are slidably connected to the guide rail which is correspondingly arranged, the output end of the electric push rod III is fixedly connected with the sliding plate, and the arc clamping plates are fixedly connected to two adjacent sides of the sliding plate.

Furthermore, the bottoms of the second frame and the third frame are fixedly provided with an electric push rod IV, and the bottom ends of the electric push rods IV which are correspondingly arranged are respectively provided with a milling cutter and a heating plate through mounting racks;

the two sides of the first frame are fixedly provided with flat supporting plates, the tops of the flat supporting plates are symmetrically and rotatably connected with a transmission frame, a conveyor belt is arranged in the transmission frame, and arc-shaped conveying blocks are fixedly arranged on the outer sides of the conveyor belt at equal intervals.

Further, a plurality of groups of driving rails are symmetrically fixed at the bottom of the transmission frame, driving grooves are formed in the driving rails, a plurality of groups of electric push rods five are symmetrically fixed at the top of the flat supporting plate, and the output ends of the electric push rods five are matched with the driving grooves through protruding blocks.

Further, the first and second frames have six electric push rods fixedly mounted on the inner walls thereof, and one ends of the first slide plate and the first transverse plate are fixedly connected with the six electric push rods correspondingly arranged.

Compared with the prior art, the invention has the beneficial effects that:

1. when the positioning device is used, the arc-shaped supporting plates are respectively and effectively used for supporting the inner walls of two pipelines to be welded under the action of the electric push rod II and the round push block, the positioning blocks and the positioning sleeves are arranged at the circle center positions formed by the plurality of groups of arc-shaped supporting plates, when the arc-shaped supporting plates are all abutted against the inner walls of the two pipelines, the positioning blocks and the positioning sleeves are just positioned at the circle center positions of the pipelines, the circle centers of the two pipelines can be guaranteed to be in a completely overlapped state only by quickly connecting the positioning blocks and the positioning sleeves, the two pipelines are effectively guaranteed to be always in an error range when being connected, so that the positioning precision and the efficiency of the two pipelines are further improved, the two circle centers are quickly overlapped in advance through the positioning sleeves and the positioning blocks, and the problem that the positioning mode of the pipelines is greatly error in the prior art is solved by accurately aligning the pipelines.

2. When the pipeline conveying device is used, the electric push rod five is started, and the transmission frame is driven to deflect by the cooperation of the convex blocks and the driving grooves until the pipeline conveying device accords with pipeline conveying, then the conveying belt is started, the conveying belt drives the arc-shaped conveying blocks to move, and the arc-shaped conveying blocks effectively clamp and convey the outer side wall of the pipeline, so that the pipeline is conveyed conveniently, time-saving and labor-saving, and the problem that the existing pipeline is usually manually conveyed and wastes time and labor is solved.

Drawings

For the convenience of those skilled in the art, the present invention will be further described with reference to the accompanying drawings;

FIG. 1 is a top view of the overall structure of the present invention;

FIG. 2 is a front view of the alignment assembly of the present invention;

FIG. 3 is a side view of a lower plate structure of the present invention;

FIG. 4 is a bottom view of a frame structure according to the present invention;

FIG. 5 is a side view of a riser structure of the present invention;

FIG. 6 is a side view of a pipeline with a flat panel structure according to the present invention;

fig. 7 is a schematic diagram of a connection state of a positioning block and a positioning sleeve in the present invention.

Reference numerals: 100. a first frame; 200. a second frame; 3. a first slide bar; 4. a slide plate; 501. a first frame; 502. a second frame; 503. a third frame; 6. an alignment assembly; 601. a two-way threaded rod; 602. a motor; 603. a sliding seat; 604. an electric push rod I; 605. a downward moving plate; 606. an electric push rod II; 607. a positioning block; 608. a positioning sleeve; 609. a guide groove; 610. a first sliding block; 611. an arc-shaped supporting plate; 612. a round pushing block; 613. a push rod; 614. a guide rod; 615. a limit groove; 7. a slide rail; 8. a second slide bar; 9. a slide cylinder; 10. a transverse plate I; 11. a riser; 12. a transverse plate II; 13. a clamping assembly; 131. an electric push rod III; 132. a slip plate; 133. a guide rail; 134. an arc clamping plate; 14. an electric push rod six; 15. a flat supporting plate; 16. a transmission frame; 17. a conveyor belt; 18. an arc-shaped transfer block; 19. a drive rail; 20. a driving groove; 21. fifth electric push rod; 22. and a bump.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one:

as shown in fig. 1-4 and 7, when two pipes are hot-melt welded, the allowable deviation range of the pipe orifice of the two pipes is one tenth of the pipe wall thickness, however, the traditional positioning mode only relies on naked eyes to judge whether the positions of the pipe orifices of the two pipes are within the deviation, so that the judgment mode has a great error, and can not ensure whether the pipe orifices in the two pipes are completely overlapped, and further, the problem that gaps appear in the hot-melt welding due to the misalignment of the pipe orifices easily occurs when the pipe orifices are hot-melt welded is solved, and the specific improvement is as follows:

a pipeline hot-melt welding machine comprises a first frame 100 and a second frame 200, wherein the second frame 200 is symmetrically fixed on two sides of the first frame 100, the inner side wall of the second frame 200 is fixedly connected with a first slide bar 3, the outer side of the first slide bar 3 is sleeved with a sliding connection slide plate 4, the two slide plates 4 are fixedly connected through a connecting rod, the top of the slide plate 4 is fixedly connected with a first frame 501, a second frame 502 and a third frame 503, the bottom of the first frame 501 is provided with an alignment assembly 6, the top of the inner wall of the first frame 501 is fixedly connected with a slide rail 7, the alignment assembly 6 comprises a bidirectional threaded rod 601 and a motor 602, two ends of the bidirectional threaded rod 601 are movably connected with the inner wall of the slide rail 7 through bearings, the inner wall fixed mounting of frame one 501 has the motor 602 that is used for driving the rotation of two-way threaded rod 601, sliding connection has two seat 603 that slide in the slide rail 7, the seat 603 that slides with two-way threaded rod 601 threaded connection, the bottom fixedly connected with electric putter one 604 of seat 603 that slides, electric putter one 604's output fixedly connected with moves down board 605, two move down board 605 opposite side all fixedly connected with electric putter two 606, two move down board 605 adjacent one side respectively be fixed with locating piece 607 and locating sleeve 608, locating piece 607 cooperatees with locating sleeve 608.

A guide groove 609 is formed in one side of the downward moving plate 605, a first sliding block 610 is connected in the guide groove 609 in a sliding mode, an arc-shaped supporting plate 611 is fixed on the side face of the first sliding block 610 through spot welding, a round pushing block 612 is fixedly connected to the output end of the second electric pushing rod 606, a plurality of groups of pushing rods 613 are rotatably connected to the outer side of the circumference of the round pushing block 612, and one end, far away from the round pushing block 612, of the pushing rods 613 is rotatably connected with the inner side wall of the arc-shaped supporting plate 611.

Firstly, two pipelines are placed on the top of a first frame 100, then, an electric push rod one 604 is started, the electric push rod one 604 drives a downward moving plate 605 to move to a preset designated position, a motor 602 is started, the motor 602 drives a bidirectional threaded rod 601 to rotate, two sliding seats 603 horizontally move along a sliding rail 7 under the action of the bidirectional threaded rod 601 until an arc-shaped supporting plate 611 enters the interior of the pipeline, at the moment, an electric push rod two 606 is started again, the electric push rod two 606 drives a round push block 612 to horizontally move, a plurality of groups of guide rods 614 are fixedly connected to one side of the downward moving plate 605 in an annular array for enabling the round push block 612 to move more stably, limit grooves 615 are formed in the outer side of the circumference of the round push block 612 in an annular array, the guide rods 614 are slidably connected in the limit grooves 615, the round push block 612 stably and horizontally moves along the guide rods 614 through the limit grooves 615, the movement of the round push block 612 drives an abutting push rod 613 to rotate, and the abutting push rod 613 rotates and pushes an arc-shaped supporting plate 611 to move along the guide grooves 609 through the first sliding block 610 until the plurality of groups of arc-shaped supporting plates 611 abut against the inner wall of the pipeline;

after the arc-shaped supporting plates 611 which are correspondingly arranged abut against the inner walls of the two pipelines respectively, the motor 602 is started, the motor 602 drives the bidirectional threaded rod 601 to rotate, the two sliding seats 603 are mutually close under the action of the bidirectional threaded rod 601, and the first electric push rod 604 is regulated, so that the positioning block 607 is inserted into the positioning sleeve 608, and the positioning block 607 and the positioning sleeve 608 are arranged at the circle center positions formed by the plurality of groups of arc-shaped supporting plates 611.

Example two

As shown in fig. 1-7, a second slide bar 8 is fixedly connected to the inner side wall of the first frame 100, a sliding barrel 9 is sleeved on the outer side of the second slide bar 8, a first transverse plate 10 is fixedly connected to the top of the sliding barrel 9, vertical plates 11 are symmetrically and fixedly arranged on the top of the first transverse plate 10, a second transverse plate 12 is fixedly connected to the top of the vertical plates 11, and a clamping assembly 13 is arranged below the second transverse plate 12.

The clamping assembly 13 comprises an electric push rod III 131 and a sliding plate 132, the top of a transverse plate I10 and the bottom of a transverse plate II 12 are fixedly connected with the electric push rod III 131, the side wall of a vertical plate 11 is fixedly connected with a guide rail 133, both ends of the sliding plate 132 are slidably connected in the guide rail 133 which is correspondingly arranged, the output end of the electric push rod III 131 is fixedly connected with the sliding plate 132, one side adjacent to the two sliding plates 132 is fixedly connected with an arc clamping plate 134, the inner walls of a rack I100 and a rack II 200 are fixedly provided with the electric push rod VI 14, one ends of a sliding plate 4 and a transverse plate I10 are fixedly connected with the electric push rod VI which is correspondingly arranged, the bottoms of a rack II 502 and a rack III 503 are fixedly provided with the electric push rod IV, the bottom of the electric push rod IV which is correspondingly arranged is respectively provided with a milling cutter and a heating plate through a mounting frame, the milling cutter and the heating plate are all existing equipment in the pipeline hot-melt welding process, the milling cutter is used for trimming and leveling pipe orifices of the two pipelines, and the heating plate is used for heating pipe orifices so that the two pipelines are effectively hot-melt welded;

when the two pipeline circle centers are aligned and overlapped, the electric push rod III 131 is started, the electric push rod III 131 drives the sliding plate 132 to slide along the guide rail 133 until the two arc clamping plates 134 effectively clamp the outer sides of the overlapped pipelines at the moment, then the arc supporting plates 611 release the abutting of the inner walls of the pipelines under the action of the electric push rod II 606, the pipelines are required to be in an aligned state under the action of the arc clamping plates 134 even if the arc supporting plates 611 release the supporting of the inner walls of the pipelines at the moment, then the electric push rod VI 14 in the rack I100 is started, the electric push rod VI 14 drives the transverse plate I10 to move, and the transverse plate I10 stably slides outside the sliding rod II 8 through the sliding cylinder 9 fixedly connected with the bottom until the two pipelines are separated from contact and the arc supporting plates 611 are completely exposed, and the circle centers of the two pipelines are still in an aligned state, and the electric push rod I604 drives the arc supporting plates 611 to ascend until the arc supporting plates 611 are completely located above the pipelines;

then, the electric push rod six 14 in the rack II 200 is restarted, the electric push rod six 14 drives the sliding plate 4 to stably slide outside the sliding rod I3 until the milling cutter is positioned between two pipelines, the electric push rod four at the bottom of the rack II 502 is restarted, the electric push rod four drives the milling cutter to move downwards through the mounting frame, the two pipelines are in contact with the milling cutter under the cooperation of the electric push rod six 14 and the transverse plate I10, the milling cutter cuts off the uneven position of the pipeline orifice, the cut-off pipeline impurities are cleaned after the cutting off is finished, the cut-off pipeline orifice is further cleaned by foam alcohol, after the cleaning is finished, the electric push rod six 14 drives the sliding plate 4 to stably slide outside the sliding rod I3 until the heating plate is positioned between the two pipelines, the electric push rod four at the bottom of the rack II is restarted, the electric push rod four drives the heating plate to move downwards through the mounting frame, the two pipelines are in contact with the heating plate under the cooperation of the electric push rod six 14 and the transverse plate I10, the heating plate is heated up after the heating plate I10, the two pipelines are in contact with each other and are tightly abutted against each other under the cooperation of the electric push rod six 14 and the transverse plate I10, the two pipelines are further cleaned by the heat melt down, and finally the two pipelines are completely cooled down, and the two redundant heat melt pipelines are further welded and the two heat melt and the heat fusion ports are further welded.

Example III

As shown in fig. 1 and 6, when the conventional pipeline is aligned, the conventional pipeline is usually manually carried, but the pipeline is generally long in length and large in mass, so that great trouble is brought to carrying, and in order to solve the problem, the following specific improvement is as follows: the two sides of the first frame 100 are fixedly provided with flat supporting plates 15, the tops of the flat supporting plates 15 are symmetrically and rotatably connected with a transmission frame 16, a transmission belt 17 is arranged in the transmission frame 16, arc-shaped transmission blocks 18 are fixedly arranged on the outer sides of the transmission belt 17 at equal intervals, a plurality of groups of driving rails 19 are symmetrically fixed on the bottoms of the transmission frame 16, driving grooves 20 are formed in the driving rails 19, a plurality of groups of electric push rods five 21 are symmetrically fixed on the tops of the flat supporting plates 15, and the output ends of the electric push rods five 21 are matched with the driving grooves 20 through lugs 22.

Firstly, according to the inclination angle of the pipeline diameter adjusting transmission frame 16, when the pipeline diameter adjusting transmission frame is specifically set, the electric push rod five 21 is started, the electric push rod five 21 drives the transmission frame 16 to deflect through the cooperation of the convex blocks 22 and the driving grooves 20 until the pipeline conveying is met, then the conveying belt 17 is started, the conveying belt 17 drives the arc-shaped conveying blocks 18 to move, and the arc-shaped conveying blocks 18 effectively clamp and convey the outer side wall of the pipeline, so that the pipeline is conveyed conveniently.

The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a pipeline hot-melt welding machine, includes frame one (100) and frame two (200), frame two (200) symmetry is fixed in the both sides of frame one (100), its characterized in that, the inside wall fixedly connected with slide bar one (3) of frame two (200), slide connection has slide plate (4) are established to the outside cover of slide bar one (3), two pass through connecting rod fixed connection between slide plate (4), the top fixedly connected with frame one (501), frame two (502) and frame three (503) of slide plate (4), the bottom of frame one (501) is provided with counterpoint subassembly (6);

the bottoms of the second frame (502) and the third frame (503) are fixedly provided with an electric push rod IV, and the bottom ends of the electric push rods IV which are correspondingly arranged are respectively provided with a milling cutter and a heating plate through mounting racks;

flat supporting plates (15) are fixedly arranged on two sides of the first frame (100), a transmission frame (16) is symmetrically and rotatably connected to the top of the Ping Chengban (15), a conveyor belt (17) is arranged in the transmission frame (16), and arc-shaped conveying blocks (18) are fixedly arranged on the outer side of the conveyor belt (17) at equal intervals;

a plurality of groups of driving rails (19) are symmetrically fixed at the bottom of the transmission frame (16), driving grooves (20) are formed in the driving rails (19), a plurality of groups of electric push rods (21) are symmetrically fixed at the top of the Ping Chengban (15), and the output ends of the electric push rods (21) are matched with the driving grooves (20) through protruding blocks (22);

the utility model discloses a sliding block type electric putter, including frame one (501), frame one's (501) inner wall top fixedly connected with slide rail (7), counterpoint subassembly (6) include two-way threaded rod (601) and motor (602), the both ends of two-way threaded rod (601) all are connected in through the bearing activity with slide rail (7) inner wall, the inner wall fixed mounting of frame one (501) has motor (602) that are used for driving two-way threaded rod (601), sliding connection has two seat (603) that slide in slide rail (7), sliding seat (603) and two-way threaded rod (601) threaded connection, sliding seat (603)'s bottom fixedly connected with electric putter one (604), electric putter one's (604) output fixedly connected with moves down board (605), two move down one side that board (605) are opposite and are all fixedly connected with electric putter two (606), two move down adjacent one side of board (605) respectively are fixed with locating piece (607) and locating sleeve (608), locating piece (607) cooperate with locating sleeve (608).

2. The pipeline hot-melt welding machine according to claim 1, wherein a guide groove (609) is formed in one side of the downward moving plate (605), a first sliding block (610) is connected in the guide groove (609), an arc-shaped supporting plate (611) is fixedly arranged on the side face of the first sliding block (610) through spot welding, a round pushing block (612) is fixedly connected to the output end of the second electric push rod (606), multiple groups of pushing rods (613) are rotatably connected to the outer side of the circumference of the round pushing block (612), one end, far away from the round pushing block (612), of the pushing rods (613) is rotatably connected with the inner side wall of the arc-shaped supporting plate (611), multiple groups of guide rods (614) are fixedly connected to one side of the downward moving plate (605) in an annular array, a limiting groove (615) is formed in the outer side of the circumference of the round pushing block (612) in an annular array, and the guide rods (614) are slidably connected in the limiting groove (615).

3. The pipeline hot-melt welding machine according to claim 1, wherein the inner side wall of the first frame (100) is fixedly connected with a second slide rod (8), a sliding cylinder (9) is sleeved on the outer side of the second slide rod (8), a first transverse plate (10) is fixedly connected to the top of the sliding cylinder (9), vertical plates (11) are symmetrically fixed to the top of the first transverse plate (10), a second transverse plate (12) is fixedly connected to the top of the vertical plates (11), and a clamping assembly (13) is arranged below the second transverse plate (12).

4. A pipeline hot-melt welding machine according to claim 3, wherein the clamping assembly (13) comprises a third electric push rod (131) and a sliding plate (132), the third electric push rod (131) is fixedly connected to the top of the first transverse plate (10) and the bottom of the second transverse plate (12), the guide rail (133) is fixedly connected to the side wall of the vertical plate (11), the two ends of the sliding plate (132) are slidably connected in the guide rail (133) correspondingly arranged, the output end of the third electric push rod (131) is fixedly connected with the sliding plate (132), and the arc-shaped clamping plates (134) are fixedly connected to one adjacent sides of the two sliding plates (132).

5. The pipe hot-melt welding machine according to claim 4, wherein the first frame (100) and the second frame (200) are fixedly provided with the sixth electric push rod (14) on the inner walls thereof, and one ends of the sliding plate (4) and the first transverse plate (10) are fixedly connected with the sixth electric push rod (14) correspondingly arranged.