CN113021911A

CN113021911A - Hot-melt connection method for laying and mounting PP (polypropylene) plastic pipe

Info

Publication number: CN113021911A
Application number: CN202110379474.1A
Authority: CN
Inventors: 张奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-06-25

Abstract

The invention relates to a hot-melt connection method for laying and installing a PP (polypropylene) plastic pipe, which completes the fusion welding of the PP plastic pipe through the cooperation of a bottom plate, a moving device, a hot-melt device, a connecting device and a guiding device. The hot-melt connecting method for laying and installing the PP plastic pipes can solve the problems that when manual welding is carried out, heating equipment is used manually to heat and soften the welding parts of the PP plastic pipes, then the PP plastic pipes are inserted manually and then cooled, when welding is carried out, the welding parts are easily cooled due to long manual welding time, the central lines of two connected PP plastic pipes are easily not on the same straight line due to manual welding, when the conventional PP plastic pipe welding equipment is used for welding, only one pipe fitting with one diameter can be welded, and only equipment or a welding mechanism can be replaced when pipe fittings with different diameters are welded, so that the welding cost of the PP plastic pipes is high, the welding efficiency is low and the like.

Description

Hot-melt connection method for laying and mounting PP (polypropylene) plastic pipe

Technical Field

The invention relates to the technical field of plastic pipe welding, in particular to a hot-melt connection method for laying and installing a PP plastic pipe.

Background

The plastic pipe is produced by using synthetic resin, i.e. polyester, as raw material, adding stabilizer, lubricant, plasticizer, etc. and extruding in pipe making machine in plastic method, and is mainly used as the pipe for water supply system, drainage, exhaust and pollution discharge sanitary pipe, underground drainage pipe system, rain water pipe, and threading pipe for electric wire installation. It is divided into two main categories, thermoplastic plastic pipe and thermosetting plastic pipe. In the use process of the PP plastic pipe, the plastic pipe is generally required to be subjected to hot-melt connection treatment, so that the use of the PP plastic pipe is ensured.

When current PP plastic tubing butt fusion equipment carries out hot melt connection to the PP plastic tubing, often have following problem:

(1) when the PP plastic pipes are welded in a manual welding mode, generally, heating and softening the welding positions of the PP plastic pipes by using heating equipment manually, and cooling the PP plastic pipes after the connecting positions of the PP plastic pipes are softened and inserted manually, during welding, the welding positions are easily cooled due to long manual welding time, and the central lines of two connected PP plastic pipes are not on the same straight line due to manual welding;

(2) when carrying out hot melt connection to the PP plastic tubing, current PP plastic tubing butt fusion equipment will treat two PP plastic pipe clamps fastening of connecting earlier usually and decide, heat its junction again, at last with two union couplings together, current PP plastic tubing butt fusion equipment can only carry out the butt fusion to the pipe fitting of a diameter usually, can only change equipment or change butt fusion mechanism when the pipe fitting butt fusion of different diameters to lead to PP plastic tubing butt fusion with high costs, butt fusion inefficiency.

In order to make up the defects of the prior art, the invention provides a hot-melt connection method for laying and installing a PP plastic pipe.

Disclosure of Invention

The technical scheme adopted by the invention to solve the technical problem is as follows: the hot melt connection method for laying and installing the PP plastic pipe comprises the following steps of:

s1, equipment checking: before starting the PP plastic pipe hot-melt connection equipment to connect the PP plastic pipe in a hot-melt manner, checking the PP plastic pipe;

s2, feeding treatment: after the equipment is checked, the PP plastic pipe to be welded penetrates through the guide device and is placed in the connecting device manually, so that the connecting device clamps and fixes the PP plastic pipe to be welded;

s3, hot melting treatment: after the feeding is finished, performing hot melting treatment on the to-be-connected parts of the PP plastic pipes to be welded through a hot melting device;

s4, connection processing: after the PP plastic pipes are subjected to hot melting, the hot melting device is manually driven to move forwards through the moving device, so that the connecting device drives the left and right PP plastic pipes to be close to each other, and the left and right PP plastic pipes are welded together;

s5, blanking treatment: after the PP plastic pipes are connected, the welded PP plastic pipes are taken down and collected manually;

the middle part of the upper end of the bottom plate is provided with a moving device, the upper end of the moving device is provided with a hot melting device, the rear side of the hot melting device is provided with a connecting device, the connecting device is arranged on the rear side of the upper end of the bottom plate, and the guide devices are symmetrically arranged on the left and right sides of the rear side of the upper end of the bottom plate;

the hot melting device includes the mounting panel, fixed cover, stop gear, the butt fusion mechanism, butt fusion head one and butt fusion head two, the mounting panel is installed to the mobile device upper end rear side, fixed cover is installed to the mounting panel rear end, stop gear is installed to fixed cover left and right sides symmetry, butt fusion mechanism is installed to the mobile device upper end rear side, butt fusion mechanism installs butt fusion head one in the upper end left side, butt fusion mechanism installs butt fusion head two in the upper end right side, concrete during operation, the back is decided in the fastening of PP plastics pipe clamp, through the position of artifical regulation stop gear at fixed cover, make stop gear carry on spacingly to butt fusion mechanism, stop gear adjusts the completion back, it moves simultaneously to two both sides with butt fusion head to drive butt fusion mechanism one through butt fusion mechanism, thereby make butt fusion head one and butt fusion head two.

The welding mechanism comprises an air pump, a lifting cylinder, a support plate, connectors, sliding blocks, connecting rods, locking blocks and locking springs, the air pump is arranged in the middle of the upper end of the moving device, the lifting cylinder is arranged in the middle of the rear side of the air pump and is arranged at the upper end of the moving device, the support plates are symmetrically arranged on the left side and the right side of the lifting cylinder, the connectors are arranged at the upper end of the lifting cylinder, the sliding blocks are symmetrically arranged on the inner side of the fixing sleeve in a sliding fit mode, the connecting rods are hinged between the lower ends of the sliding blocks and the connectors, the locking blocks are evenly arranged at the outer ends of the sliding blocks along the circumferential direction of the sliding blocks, the locking springs are arranged between the locking blocks and the sliding blocks, when the PP plastic pipe is in hot melting, the locking blocks are extruded, drive the end that stretches out of lift cylinder through the air pump and move upward, make the connector drive the sliding block through the connecting rod and move outward along fixed cover, thereby make the sliding block drive the first butt fusion head and move simultaneously with the butt fusion head two to both sides, and then make butt fusion head one and butt fusion head two carry out the hot melt to the PP plastic tubing of the left and right sides respectively, after the PP plastic tubing hot melt, drive the end that stretches out of lift cylinder through the air pump and descend, make the connector drive the sliding block through the connecting rod and move along fixed cover endotheca, thereby make the sliding block drive butt fusion head one and butt fusion head two break away from the PP plastic tubing, make things.

Connecting device includes the mounting bracket, the set-square, actuating mechanism and fixed establishment, the mounting bracket is installed to bottom plate upper end rear side, the set-square is installed to mounting bracket rear side bilateral symmetry, actuating mechanism is installed to the mounting bracket upper end, actuating mechanism installs fixed establishment in middle part bilateral symmetry, concrete during operation, will treat two PP plastic tubings of butt fusion through the manual work and pass guider and place in fixed establishment, make fixed establishment press from both sides tightly fixedly to two PP plastic tubings of treating the butt fusion of different diameters, and treat the junction of two PP plastic tubings of butt fusion through hot melting device and heat and soften, thereby make actuating mechanism drive two PP plastic tubings relative movement through fixed establishment, and then with two PP plastic tubings hot melt connected together.

Fixing mechanism includes the fixed plate, the guide block, fixing bolt and pressure strip, the fixed plate is installed through sliding fit's mode bilateral symmetry to the mounting bracket upside, the guide block is installed to fixed plate longitudinal symmetry, guide block slidable mounting is in the mounting bracket, fixing bolt is installed through threaded connection's mode to the fixed plate upper end, the pressure strip is installed through threaded connection's mode to the fixing bolt lower extreme, concrete during operation, the manual work passes the PP plastic tubing behind the fixed plate, through artifical rotatory fixing bolt, make fixing bolt drive pressure strip descend, thereby make fixed plate and pressure strip press from both sides tightly fixedly to treating the welded PP plastic tubing of different diameters, and drive fixed plate and guide block along mounting bracket relative movement through actuating mechanism, thereby make the PP plastic tubing butt fusion of fixed plate after the fixed plate drives the hot melt with the pressure strip together.

The guiding device comprises a supporting column, a disc, a clamping block and a clamping spring, the supporting column is symmetrically installed on the rear side of the upper end of the bottom plate in a left-right mode, the disc is installed on the upper end of the supporting column, the clamping block is installed on the inner side of the disc in a sliding mode, the clamping block is evenly arranged along the circumferential direction of the disc, the clamping spring is arranged between the clamping block and the disc, and when the device works in detail, the PP plastic pipes to be welded pass through the disc in an artificial mode, the clamping block is extruded by the clamping spring and moves outwards along the disc, and therefore the clamping block is enabled.

As a preferred technical scheme of the invention, the moving device comprises a thread block, a rotating screw, a moving plate, a dovetail block and a locking nut, the thread block is arranged on the front side of the upper end of a bottom plate, the rotating screw is arranged on the middle thread of the thread block, the moving plate is arranged at the rear end of the rotating screw through a bearing, the dovetail block is symmetrically arranged at the lower end of the moving plate left and right, the dovetail block is slidably arranged in the bottom plate, and the locking nut is arranged at the front end of the rotating screw in a threaded connection mode, during specific work, when the PP plastic pipe is hot-melted, the rotating screw is manually rotated to move back along the thread block, so that the rotating screw drives the moving plate and the dovetail block to move back along the bottom plate, the moving plate drives the hot-melting device to be close to the PP plastic pipe, the locking nut locks and fixes the rotating screw on, the rotating screw rod is manually rotated, so that the movable plate drives the hot melting device to be far away from the PP plastic pipes, and the left PP plastic pipe and the right PP plastic pipe are conveniently connected together through the connecting device in a hot melting mode.

According to a preferred technical scheme, the limiting mechanism comprises a sliding sleeve, a U-shaped frame, an inserting rod and a connecting spring, the sliding sleeve is slidably mounted on the outer side of the fixed sleeve, the U-shaped frame is mounted at the upper end of the sliding sleeve, the inserting rod is slidably mounted at the upper end of the U-shaped frame, the lower end of the inserting rod penetrates through the sliding sleeve and is clamped into the fixed sleeve, the connecting spring is sleeved in the middle of the inserting rod, and the connecting spring is arranged in the U-shaped frame.

According to a preferred technical scheme, the driving mechanism comprises a connecting motor, a first belt wheel, a connecting screw rod, a second belt wheel and a belt, the connecting motor is installed on the left side of the upper end of the mounting frame, the first belt wheel is installed at the output end of the connecting motor, the connecting screw rod is installed on the upper side of the mounting frame through a bearing, the second belt wheel is installed at the left end of the connecting screw rod, the first belt wheel is connected with the second belt wheel through the belt, and when the PP plastic pipe is in specific work, the connecting motor drives the first belt wheel to rotate, so that the belt drives the second belt wheel to rotate, the second belt wheel drives the connecting screw rod to rotate, and the connecting screw rod drives the PP plastic.

According to a preferable technical scheme, the rectangular grooves are symmetrically formed in the left and right sides of the upper end of the mounting frame, the fixing plates are slidably arranged in the rectangular grooves, the guide grooves are symmetrically formed in the upper and lower sides of the rectangular grooves, the guide blocks are slidably arranged in the guide grooves, and the rectangular grooves and the guide grooves respectively guide and limit the fixing plates and the guide blocks, so that the situation that the fixing plates drive the PP plastic pipes to deviate is avoided.

According to a preferred technical scheme, round holes are symmetrically formed in the upper end of the fixing sleeve in the bilateral symmetry mode, the round holes are evenly distributed from left to right, the lower end of the inserted rod is clamped in the round holes, sliding grooves are symmetrically formed in the lower end of the fixing sleeve in the bilateral symmetry mode, the lower ends of the sliding blocks are slidably mounted in the sliding grooves, heating wires are wound on the outer sides of the sliding blocks, the inserted rod is clamped in the round holes in different positions, therefore, the position of the inserted rod, which is sleeved on the fixing sleeve in the sliding mode, can be rapidly adjusted, and the heating wires can conveniently heat the first welding head and the second welding head through the sliding blocks, so that.

As a preferred technical scheme of the invention, opposite threads are symmetrically arranged on the left and right sides of the outer side of the connecting screw rod, the middle part of the fixing plate is arranged on the outer side of the connecting screw rod in a threaded connection mode, and the opposite threads are convenient for driving the fixing plate to simultaneously move along the connecting screw rod.

Compared with the prior art, the invention has the following advantages:

1. according to the hot-melt connection method for laying and installing the PP plastic pipes, the PP plastic pipes are subjected to hot melting after being fixed and then are connected through the connecting device, so that the problem that welding positions are cooled due to long manual welding time is avoided, meanwhile, the condition that central lines of two PP plastic pipes which are easily welded by manual welding are not on the same straight line is avoided, and plastic pipes with different diameters are welded through the arranged welding mechanism, so that the applicability of equipment is improved, and the welding cost of the plastic pipes is reduced;

2. according to the hot-melt connection method for laying and installing the PP plastic pipes, the clamping spring is arranged to extrude the clamping block to move outwards along the disc, so that the clamping block guides and limits the PP plastic pipes with different diameters, the pressing plate is driven to descend through the fixing bolt, the fixing plate and the pressing plate clamp and fix the PP plastic pipes with different diameters to be welded, the plastic pipes with different diameters are welded, and the welding cost of the plastic pipes is reduced;

3. the invention provides a hot-melt connection method for laying and installing PP (polypropylene) plastic pipes, which is characterized in that a first fusion head and a second fusion head are quickly fixed through a locking block by a locking spring, so that the first fusion head and the second fusion head with different diameters are subjected to hot melting, and a sliding block is driven by a connecting head through a connecting rod to move outwards along a fixed sleeve, so that the first fusion head and the second fusion head are driven by the sliding block to simultaneously move towards two sides, and the first fusion head and the second fusion head are respectively subjected to hot melting on the left plastic pipe and the right plastic pipe;

4. according to the hot-melt connecting method for laying and installing the PP plastic pipes, the connecting screw is driven to rotate by the connecting motor, so that the PP plastic pipes subjected to hot melting are driven by the connecting screw through the fixing plate to be welded together, the fixing plate is conveniently driven to simultaneously move along the connecting screw by the opposite threads symmetrically arranged on the outer side of the connecting screw, and the situation that the central lines of the left plastic pipe and the right plastic pipe are deviated when the left plastic pipe and the right plastic pipe are welded is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of the operation of the present invention;

FIG. 2 is a schematic perspective view of the present invention in its working state;

FIG. 3 is a top plan view of the working condition of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;

FIG. 5 is a cross-sectional view (from left to right) of the present invention showing the location of the retaining sleeve, the limiting mechanism and the slider;

FIG. 6 is a cross-sectional view (looking right to left) of the fusion splice I, the slide block, the locking block and the locking spring of the present invention;

FIG. 7 is a partial cross-sectional view of the connection device of the present invention;

FIG. 8 is a cross-sectional view (from right to left) of the guide of the present invention;

fig. 9 is an enlarged view of the invention at the X of fig. 4.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 9.

A hot-melt connection method for laying and installing a PP plastic pipe uses hot-melt connection equipment for laying and installing the PP plastic pipe, the hot-melt connection equipment for laying and installing the PP plastic pipe comprises a bottom plate 1, a moving device 2, a hot-melt device 3, a connecting device 4 and a guiding device 5, and when the hot-melt connection equipment for laying and installing the PP plastic pipe is used for carrying out hot-melt connection on the PP plastic pipe, the specific method is as follows:

s2, feeding treatment: after the equipment is checked, the PP plastic pipe to be welded penetrates through the guide device 5 and is placed in the connecting device 4 manually, so that the connecting device 4 clamps and fixes the PP plastic pipe to be welded;

s3, hot melting treatment: after the feeding is finished, performing hot melting treatment on the to-be-connected parts of the PP plastic pipes to be welded through the hot melting device 3;

s4, connection processing: after the PP plastic pipes are subjected to hot melting, the hot melting device 3 is manually driven to move forwards through the moving device 2, so that the connecting device 4 drives the left and right PP plastic pipes to approach, and the left and right PP plastic pipes are welded together;

the middle part of the upper end of the bottom plate 1 is provided with a moving device 2, the upper end of the moving device 2 is provided with a hot melting device 3, the rear side of the hot melting device 3 is provided with a connecting device 4, the connecting device 4 is arranged on the rear side of the upper end of the bottom plate 1, and the rear side of the upper end of the bottom plate 1 is symmetrically provided with guide devices 5;

the guide device 5 comprises a support column 51, a disc 52, a clamping block 53 and a clamping spring 54, the support column 51 is installed to bottom plate 1 upper end rear side bilateral symmetry, the disc 52 is installed to support column 51 upper end, the clamping block 53 is installed to disc 52 inboard slidable mounting, and clamping block 53 evenly arranges along disc 52 circumference, be provided with clamping spring 54 between clamping block 53 and the disc 52, concrete during operation, the PP plastic tubing of treating the butt fusion will pass disc 52 through the manual work, make clamping spring 54 extrusion clamping block 53 outwards move along disc 52, thereby make clamping block 53 to lead spacing to the PP plastic tubing of different diameters.

The moving device 2 comprises a thread block 21, a rotating screw 22, a moving plate 23, a dovetail block 24 and a locking nut 25, the thread block 21 is installed on the front side of the upper end of the bottom plate 1, the rotating screw 22 is arranged on the middle thread of the thread block 21, the moving plate 23 is installed at the rear end of the rotating screw 22 through a bearing, the dovetail blocks 24 are symmetrically installed at the left and right of the lower end of the moving plate 23, the dovetail blocks 24 are slidably installed in the bottom plate 1, and the locking nut 25 is installed at the front end of the rotating screw 22 in a threaded connection mode, during specific work, when the PP plastic pipe is hot-melted, the rotating screw 22 is manually rotated to move backwards along the thread block 21, so that the rotating screw 22 drives the moving plate 23 and the dovetail blocks 24 to move backwards along the bottom plate 1, the moving plate 23 drives the hot melting device 3 to be close to the PP plastic pipe, the locking, after the PP plastic pipes are subjected to hot melting, the locking nuts 25 are manually unlocked, the rotating screw rods 22 are manually rotated, so that the movable plate 23 drives the hot melting device 3 to be far away from the PP plastic pipes, and the left and right PP plastic pipes are conveniently connected together through the connecting device 4 in a hot melting mode.

Connecting device 4 includes mounting bracket 41, set-square 42, actuating mechanism 43 and fixed establishment 44, mounting bracket 41 is installed to 1 upper end rear side of bottom plate, set-square 42 is installed to 41 rear side bilateral symmetry of mounting bracket, actuating mechanism 43 is installed to 41 upper ends of mounting bracket, actuating mechanism 43 middle part bilateral symmetry installs fixed establishment 44, concrete during operation, will treat two PP plastic pipes of welded through the manual work and pass guider 5 and place in fixed establishment 44, make fixed establishment 44 press from both sides tightly fixedly to two PP plastic pipes of treating the welded of different diameters, and treat the junction of two PP plastic pipes of welded through hot melt device 3 and heat and soften, thereby make actuating mechanism 43 drive two PP plastic pipe relative movement through fixed establishment 44, and then with two PP plastic pipe hot melt connected together.

The fixing mechanism 44 includes a fixing plate 441, guide blocks 442, fixing bolts 443, and a pressing plate 444, the fixing plate 441 is installed on the upper side of the mounting frame 41 in a sliding fit manner, the fixing plate 441 is installed on the upper side of the mounting frame 41 in a left-right symmetric manner, the guide blocks 442 are installed on the fixing plate 441 in an up-down symmetric manner, the guide blocks 442 are installed in the mounting frame 41 in a sliding manner, the fixing bolts 443 are installed at the upper end of the fixing plate 441 in a threaded connection manner, the pressing plate 444 is installed at the lower end of the fixing bolts 443 in a threaded connection manner, by manually rotating the fixing bolt 443, the fixing bolt 443 drives the pressing plate 444 to descend, so that the fixing plate 441 and the pressing plate 444 clamp and fix PP plastic pipes to be welded with different diameters, and the fixed plate 441 and the guide block 442 are driven by the driving mechanism 43 to move relatively along the mounting frame 41, so that the fixing plate 441 and the pressing plate 444 drive the hot-melted PP plastic pipe to be welded together.

The left and right symmetry of the upper end of the mounting frame 41 is provided with a rectangular groove, the fixing plate 441 slides and is arranged in the rectangular groove, the up and down symmetry of the rectangular groove is provided with a guide groove, the guide block 442 is slidably arranged in the guide groove, the rectangular groove and the guide groove respectively guide the fixing plate 441 and the guide block 442 for limitation, and the condition that the fixing plate 441 drives the PP plastic pipe to deviate is avoided.

The hot melting device 3 comprises a mounting plate 31, a fixing sleeve 32, a limiting mechanism 33, a welding mechanism 34, a first welding head 35 and a second welding head 36, the mounting plate 31 is mounted on the rear side of the upper end of the moving device 2, the fixing sleeve 32 is mounted on the rear end of the mounting plate 31, the limiting mechanisms 33 are symmetrically mounted on the left side and the right side of the fixing sleeve 32, the welding mechanism 34 is mounted on the rear side of the upper end of the moving device 2, the first welding head 35 is mounted on the left side of the upper end of the welding mechanism 34, the second welding head 36 is mounted on the right side of the upper end of the, the position of the limiting mechanism 33 on the fixed sleeve 32 is manually adjusted, so that the limiting mechanism 33 limits the welding mechanism 34, after the limiting mechanism 33 is adjusted, the welding mechanism 34 drives the first welding head 35 and the second welding head 36 to move towards two sides simultaneously, so that the first welding head 35 and the second welding head 36 respectively perform hot melting on the PP plastic pipes on the left side and the right side.

The limiting mechanism 33 comprises a sliding sleeve 331, a U-shaped frame 332, an inserted bar 333 and a connecting spring 334, a sliding sleeve 331 is slidably mounted on the outer side of the fixed sleeve 32, the U-shaped frame 332 is mounted at the upper end of the sliding sleeve 331, the inserted bar 333 is slidably mounted at the upper end of the U-shaped frame 332, the lower end of the inserted bar 333 penetrates through the sliding sleeve 331 and is clamped into the fixed sleeve 32, the connecting spring 334 is sleeved in the middle of the inserted bar 333, and the connecting spring 334 is arranged in the U-shaped frame 332.

Fixed cover 32 upper end bilateral symmetry is provided with the round hole, the round hole turns right evenly from a left side and arranges, and inserted bar 333 lower extreme joint is in the round hole, fixed cover 32 lower extreme bilateral symmetry is provided with the sliding tray, sliding block 345 lower extreme slidable mounting is in the sliding tray, and the winding of the sliding block 345 outside has the heating wire, inserted bar 333 card goes into in the round hole of different positions, thereby make the position of inserted bar 333 quick adjustment sliding sleeve 331 on fixed cover 32, and the heating wire conveniently heats first fusion splice 35 and second fusion splice 36 through sliding block 345, thereby make things convenient for first fusion splice 35 and second fusion splice 36 to carry out the hot melt processing to the PP plastic tubing.

The welding mechanism 34 comprises an air pump 341, a lifting cylinder 342, a support plate 343, a connector 344, a sliding block 345, a connecting rod 346, a locking block 347 and a locking spring 348, the air pump 341 is installed in the middle of the upper end of the moving device 2, the lifting cylinder 342 is installed in the middle of the rear side of the air pump 341, the lifting cylinder 342 is installed at the upper end of the moving device 2, the support plates 343 are symmetrically installed on the left and right sides of the lifting cylinder 342, the connector 344 is installed at the upper end of the lifting cylinder 342, the sliding blocks 345 are symmetrically installed on the inner side of the fixed sleeve 32 in a sliding fit manner, the connecting rod 346 is hinged between the lower end of the sliding block 345 and the connector 344, the locking blocks 347 are evenly arranged at the outer end of the sliding block 345 along the circumferential direction, the locking spring 348 is arranged between the locking block 347 and the sliding block 345, and when the PP plastic pipe works, the first fusion splice 35 and the second fusion splice 36 are locked and fixed, the end that stretches out that drives the lift cylinder 342 through the air pump 341 shifts up, make the connector 344 drive the sliding block 345 through the connecting rod 346 and move outward along fixed cover 32, thereby make the sliding block 345 drive the first fusion splice 35 and the second fusion splice 36 move to both sides simultaneously, and then make the first fusion splice 35 and the second fusion splice 36 respectively carry out the hot melt to the PP plastic tubing of the left and right sides, after the PP plastic tubing hot melt, the end that stretches out that drives the lift cylinder 342 through the air pump 341 descends, make the connector 344 drive the sliding block 345 along fixed cover 32 internal shift through the connecting rod 346, thereby make the sliding block 345 drive the first fusion splice 35 and the second fusion splice 36 break away from the PP plastic tubing, make things convenient for connecting device.

Actuating mechanism 43 is including connecting motor 431, band pulley 432, connecting screw 433, two band pulleys 434 and belt 435, connecting motor 431 is installed on mounting bracket 41 upper end left side, band pulley 432 is installed to the output of connecting motor 431, connecting screw 433 is installed through the bearing to the mounting bracket 41 upside, two band pulleys 434 are installed to the connecting screw 433 left end, link to each other through belt 435 between band pulley 432 and two band pulleys 434, concrete during operation, behind the PP plastic pipe hot melt, it is rotatory to drive band pulley 432 through connecting motor 431, it is rotatory to make belt 435 drive two band pulleys 434, thereby it is rotatory to make two band pulleys 434 drive connecting screw 433, and then make connecting screw 433 drive the PP plastic pipe butt fusion after the hot melt together through fixed plate 441.

The bilateral symmetry in the outside of connecting screw 433 is provided with opposite screw thread, and installs in the connecting screw 433 the outside through threaded connection's mode in the middle part of fixed plate 441, and opposite screw thread conveniently drives fixed plate 441 and removes simultaneously along connecting screw 433.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PP plastic tubing is laid and is installed hot melt connecting method, it has used a PP plastic tubing to lay and install hot melt connecting device, and this PP plastic tubing is laid and is installed hot melt connecting device and include bottom plate (1), mobile device (2), hot melt device (3), connecting device (4) and guider (5), its characterized in that: when the hot-melt connection equipment for laying and installing the PP plastic pipe is used for carrying out hot-melt connection on the PP plastic pipe, the specific method comprises the following steps:

s2, feeding treatment: after the equipment is checked, the PP plastic pipe to be welded penetrates through the guide device (5) and is placed in the connecting device (4) manually, so that the connecting device (4) clamps and fixes the PP plastic pipe to be welded;

s3, hot melting treatment: after the feeding is finished, performing hot melting treatment on the to-be-connected parts of the PP plastic pipes to be welded through a hot melting device (3);

s4, connection processing: after the PP plastic pipes are subjected to hot melting, the hot melting device (3) is manually driven to move forwards through the moving device (2), so that the connecting device (4) drives the left and right PP plastic pipes to approach each other, and the left and right PP plastic pipes are welded together;

the middle part of the upper end of the bottom plate (1) is provided with a moving device (2), the upper end of the moving device (2) is provided with a hot melting device (3), the rear side of the hot melting device (3) is provided with a connecting device (4), the connecting device (4) is arranged on the rear side of the upper end of the bottom plate (1), and the rear side of the upper end of the bottom plate (1) is symmetrically provided with guide devices (5) left and right;

the hot melting device (3) comprises a mounting plate (31), a fixing sleeve (32), a limiting mechanism (33), a welding mechanism (34), a first welding head (35) and a second welding head (36), the mounting plate (31) is mounted on the rear side of the upper end of the moving device (2), the fixing sleeve (32) is mounted on the rear end of the mounting plate (31), the limiting mechanisms (33) are symmetrically mounted on the left side and the right side of the fixing sleeve (32), the welding mechanism (34) is mounted on the rear side of the upper end of the moving device (2), the first welding head (35) is mounted on the left side of the upper end of the welding mechanism (34), and the second welding head (36);

the welding mechanism (34) comprises an air pump (341), a lifting cylinder (342), a supporting plate (343), a connecting head (344), a sliding block (345), a connecting rod (346), a locking block (347) and a locking spring (348), an air pump (341) is installed in the middle of the upper end of the moving device (2), a lifting cylinder (342) is installed in the middle of the rear side of the air pump (341), the lifting cylinder (342) is installed at the upper end of the moving device (2), supporting plates (343) are symmetrically installed on the left side and the right side of the lifting cylinder (342), a connector (344) is installed at the upper end of the lifting cylinder (342), sliding blocks (345) are symmetrically installed on the inner side of the fixed sleeve (32) in a sliding fit mode in the left-right direction, a connecting rod (346) is hinged between the lower end of each sliding block (345) and the connector (344), locking blocks (347) are evenly arranged at the outer end of each sliding block (345;

the connecting device (4) comprises a mounting frame (41), a triangular plate (42), a driving mechanism (43) and a fixing mechanism (44), the mounting frame (41) is mounted on the rear side of the upper end of the bottom plate (1), the triangular plate (42) is mounted on the rear side of the mounting frame (41) in a bilateral symmetry mode, the driving mechanism (43) is mounted on the upper end of the mounting frame (41), and the fixing mechanism (44) is mounted in the middle of the driving mechanism (43) in a bilateral symmetry mode;

the fixing mechanism (44) comprises a fixing plate (441), guide blocks (442), fixing bolts (443) and a pressing plate (444), the fixing plate (441) is symmetrically installed on the upper side of the mounting rack (41) in a left-right mode in a sliding fit mode, the guide blocks (442) are symmetrically installed on the fixing plate (441) in a vertical mode, the guide blocks (442) are slidably installed in the mounting rack (41), the fixing bolts (443) are installed at the upper end of the fixing plate (441) in a threaded connection mode, and the pressing plate (444) is installed at the lower end of the fixing bolts (443) in a threaded connection mode;

the guide device (5) comprises a support column (51), a disc (52), a clamping block (53) and a clamping spring (54), the support column (51) is symmetrically installed on the rear side of the upper end of the base plate (1) in the left-right direction, the disc (52) is installed on the upper end of the support column (51), the clamping block (53) is installed on the inner side of the disc (52) in a sliding mode, the clamping block (53) is evenly arranged along the circumferential direction of the disc (52), and the clamping spring (54) is arranged between the clamping block (53) and the disc (52).

2. The hot melt connection method for laying and installing the PP plastic pipe according to claim 1, wherein: the movable device (2) comprises a thread block (21), a rotating screw rod (22), a movable plate (23), a dovetail block (24) and a locking nut (25), the thread block (21) is installed on the front side of the upper end of the bottom plate (1), the rotating screw rod (22) is arranged on the middle thread of the thread block (21), the movable plate (23) is installed at the rear end of the rotating screw rod (22) through a bearing, the dovetail block (24) is installed at the lower end of the movable plate (23) in a bilateral symmetry mode, the dovetail block (24) is slidably installed in the bottom plate (1), and the locking nut (25) is installed at the front end of the rotating screw rod (22) in a threaded connection.

3. The hot melt connection method for laying and installing the PP plastic pipe according to claim 1, wherein: stop gear (33) are including sliding sleeve (331), U-shaped frame (332), inserted bar (333) and connecting spring (334), fixed cover (32) outside slidable mounting has sliding sleeve (331), U-shaped frame (332) is installed to sliding sleeve (331) upper end, U-shaped frame (332) upper end slidable mounting has inserted bar (333), inserted bar (333) lower extreme passes sliding sleeve (331) card and goes into fixed cover (32) in, inserted bar (333) middle part cover is equipped with connecting spring (334), and connecting spring (334) set up in U-shaped frame (332).

4. The hot melt connection method for laying and installing the PP plastic pipe according to claim 1, wherein: actuating mechanism (43) is including connecting motor (431), band pulley (432), connecting screw (433), band pulley two (434) and belt (435), and connecting motor (431) are installed on mounting bracket (41) upper end left side, and band pulley (432) are installed to the output of connecting motor (431), and connecting screw (433) are installed through the bearing to mounting bracket (41) upside, and band pulley two (434) are installed to connecting screw (433) left end, link to each other through belt (435) between band pulley (432) and band pulley two (434).

5. The hot melt connection method for laying and installing the PP plastic pipe according to claim 1, wherein: the left and right symmetry of the upper end of the mounting rack (41) is provided with a rectangular groove, the fixing plate (441) is arranged in the rectangular groove in a sliding mode, the rectangular groove is symmetrically arranged in the vertical direction and is provided with guide grooves, and the guide blocks (442) are arranged in the guide grooves in a sliding mode.

6. The hot melt connection method for laying and installing the PP plastic pipe according to claim 3, wherein: fixed cover (32) upper end bilateral symmetry is provided with the round hole, and the round hole turns right evenly from a left side and arranges, and inserted bar (333) lower extreme joint is in the round hole, and fixed cover (32) lower extreme bilateral symmetry is provided with the sliding tray, and sliding block (345) lower extreme slidable mounting has the heating wire in the sliding tray, and the winding of sliding block (345) outside.

7. The PP plastic pipe laying installation hot melt connection method according to claim 4, wherein: the left and right sides of the outer side of the connecting screw rod (433) are symmetrically provided with opposite threads, and the middle part of the fixing plate (441) is installed on the outer side of the connecting screw rod (433) in a threaded connection mode.