CN210148756U

CN210148756U - Non-contact hot melting machine

Info

Publication number: CN210148756U
Application number: CN201920369162.0U
Authority: CN
Inventors: 陶明远; 陶明蒙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-03-17
Anticipated expiration: 2029-03-21

Abstract

The utility model discloses a non-contact hot melting machine, so-called non-contact indicates hot melting machine and the work piece contactless of executing in whole work progress. The method comprises the following steps: 1. the electromagnetic induction heater consists of a shell, an electromagnetic induction generator and a controller; 2. the energy converter clamping head is arranged at the end part of the shell and comprises an upper clamping head and a lower clamping head, the upper clamping head comprises a first electromagnetic induction coil and a first insulating part, the first electromagnetic induction coil is embedded into the first insulating part, and the first electromagnetic induction coil is electrically connected with the electromagnetic induction generator; the lower chuck has the same structure as the upper chuck. The non-contact hot melting machine is a brand new operation method of firstly arranging pipes and carrying out socket installation and then carrying out hot melting, has good sealing effect, reduces size errors, hot melting burrs and deflection, reduces scalding and reduces human factor reworking. And the zero-error size in the installation process is particularly advantageous for small-space operation.

Description

Non-contact hot melting machine

Technical Field

The utility model relates to a field of the device of plastic conduit and plastics pipe connection construction, in particular to non-contact hot melt machine.

Background

The hot melt connection is a connection mode widely applied to novel plastic pipes such as PPR pipes, PE pipes or PE-RT pipes. The hot melting connection has the advantages of simple connection, long service life, difficult corrosion and the like. The existing hot-melt connection mainly comprises the following types: 1. hot melting socket connection; 2. hot melt saddle-shaped connection and hot melt butt connection. The conventional hot melt socket joint is a joining process in which the outer surface of the pipe and the inner surface of the pipe are simultaneously inserted into a die head of a fusion splicer without rotation and heated for several seconds, then the fusion splicer is rapidly withdrawn, the heated pipe is rapidly inserted into the pipe, fixed and cooled.

The disadvantages of the existing electrothermal type hot melting machine include:

1. in the prior art, manual operation requires procedures such as measurement, initial connection, die head heating, connection and the like. The method has the advantages that the human factors are more, the size error is easy to generate, and the quality problem caused by uneven hot melting is more;

2. the hot melting axial propulsion is easy to generate flash, so that the pipeline is not smooth, and residues flow into the pipeline to cause valve blockage;

3. the operator is scalded by mistake;

4. the operation in small space is particularly difficult and even impossible to construct.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a non-contact hot melt machine solves one or more among the above-mentioned prior art problem.

The utility model provides a non-contact hot melt machine for the pre-buried airtight becket in the heating plastic pipe spare, plastic pipe spare is used for connecting plastic conduit.

The non-contact type hot melting machine comprises:

1. an electromagnetic induction heater. The electromagnetic induction generator and the controller are arranged in the shell, and the controller is electrically connected with the electromagnetic induction generator;

2. the transducer chuck is arranged at the end part of the shell and comprises an upper chuck and a lower chuck, the upper chuck comprises a first electromagnetic induction coil and a first insulating part, the first electromagnetic induction coil is embedded into the first insulating part, the first electromagnetic induction coil is electrically connected with the electromagnetic induction generator, the lower chuck comprises a second electromagnetic induction coil and a second insulating part, the second electromagnetic induction coil is embedded into the second insulating part, and the second electromagnetic induction coil is electrically connected with the electromagnetic induction generator.

Wherein, the plastic pipe fittings comprise a straight-through, a tee joint, a choke plug and the like. The plastic pipe fitting is made of ppr materials, PE materials or PE-RT materials, and a closed metal ring is embedded in the plastic pipe fitting. The closed metal rings are arranged at equal intervals, are embedded in the plastic pipe fitting, are exposed and are in contact with the plastic pipeline, and are made of iron or iron alloy materials.

In some embodiments, the first insulative and thermal insulation is a combination of fiberglass or aluminosilicate fibers and the second insulative and thermal insulation is a combination of fiberglass or aluminosilicate fibers.

In some embodiments, the upper jaw has one of an oval, rectangular, or polygonal shape, and the lower jaw has the same shape as the upper jaw. The upper and lower jaws substantially cover the plastic joint.

In some embodiments, a handle is also included, the handle being disposed above the housing. The design is convenient for carrying and operating the hot melting machine.

In some embodiments, the handle includes an arcuate rod, both ends of which are fixedly connected to the housing.

In some embodiments, the curved rod is an engineering plastic material. By the design, the whole weight of the hot melting machine can be reduced.

Has the advantages that:

1. the hot melting construction is directly carried out after lofting in the hot melting construction of the pipeline of the hot melting machine, manual socket hot melting is not required to be disassembled, the operation time can be saved, the working efficiency is improved, errors caused by manual work are avoided, and the cost is saved;

2. the sealed metal ring is used as a heating carrier for fusion bonding by non-contact heating, so that the conversion efficiency of heat energy is improved, the quality is stable, the performance is better, and various defects of the existing hot melting are avoided;

3. the operation is safer and more controllable, and the error scalding of the existing hot melting operation is avoided;

4. the hot melting machine can be used for hot melting construction directly after lofting, and can also be used for construction under the condition that small-space operation, particularly the prior art, cannot be operated;

5. the hot melting machine is started along with construction, preheating and power consumption are not needed, the power consumption is only one fourth of that of the prior art, and the economy is remarkable.

Drawings

Fig. 1 is a schematic structural diagram of a non-contact hot melting machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a plastic pipe and a plastic pipeline according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figures 1 and 2:

a non-contact thermal fusion machine for heating pre-embedded closed metal rings 130 in plastic pipes 110, the plastic pipes 110 being used for connecting plastic pipes 120, comprising:

the electromagnetic induction heater comprises a shell 230, an electromagnetic induction generator and a controller, wherein the electromagnetic induction generator and the controller are arranged in the shell 230, and the controller is electrically connected with the electromagnetic induction generator;

the transducer chuck is arranged at the end of the shell 230, and comprises an upper chuck 210 and a lower chuck 220, wherein the upper chuck 210 comprises a first electromagnetic induction coil and a first insulating member, the first electromagnetic induction coil is embedded into the first insulating member, the first electromagnetic induction coil is electrically connected with the electromagnetic induction generator, the lower chuck 220 comprises a second electromagnetic induction coil and a second insulating member, the second electromagnetic induction coil is embedded into the second insulating member, and the second electromagnetic induction coil is electrically connected with the electromagnetic induction generator.

Wherein, the plastic pipe fittings comprise straight-through, three-way or closed joints and the like. The plastic pipe fitting is made of PPR material, PE material or PE-RT material, and a closed metal ring 130 is embedded in the plastic pipe fitting. The closed metal rings 130 are arranged at equal intervals, the closed metal rings 130 are pre-embedded in the plastic pipe fitting, exposed parts of the closed metal rings are in contact with the plastic pipeline, and the closed metal rings are made of iron or iron alloy materials.

In order to ensure the construction safety and simultaneously ensure that the transducer chuck achieves better temperature resistance effect, the first insulating and heat-insulating piece is a combination of glass fibers or aluminum silicate fibers, and the second insulating and heat-insulating piece is a combination of glass fibers or aluminum silicate fibers.

In order for the transducer cartridge to adequately cover the plastic tubing, the upper cartridge 210 is one of oval, rectangular, or polygonal in shape, and the lower cartridge 220 is the same shape as the upper cartridge 210.

For convenience of carrying and operation, a handle 240 is further included, and the handle 240 is provided above the housing 230.

Specifically, the handle 240 includes an arc-shaped rod, and both ends of the arc-shaped rod are fixedly connected to the housing 230.

In order to achieve the light design, the arc-shaped rod is made of engineering plastics. Wherein, both ends of the arc rod and the housing 230 can be fixedly connected through bolts.

The working principle is as follows:

when the pipe fitting is used, the plastic pipe fittings 110 of the plurality of the closed metal rings 130 which are arranged at equal intervals are pre-embedded, and the plastic pipe fittings 110 are used for connecting the pipelines 120. The controller of the electromagnetic induction heater controls the electromagnetic induction generator to start, so that the electromagnetic fields generated by the first electromagnetic induction coil and the second electromagnetic induction coil generate induced eddy currents and then rise in temperature under the action of the electromagnetic fields, and the temperature of the closed metal ring 130 rises to enable the plastic pipe 110 and the pipeline 120 to form a melting area. After cooling, the plastic pipe 110 and the pipeline 120 are connected to each other, and the sealing metal ring 130 is fused between the plastic pipe 110 and the pipeline 120, so that the plastic pipe 110 and the pipeline 120 are connected more tightly and firmly, the sealing metal ring 130 is not in contact with media (such as tap water and the like) in the pipeline 120, and the sanitary quality standard of the pipeline 120 can be ensured. Meanwhile, the sealing metal ring 130 can reinforce and protect the welded section of the plastic pipe 110 and the pipeline 120 for a long time.

The test shows that the tensile strength and the hydraulic pressure test of the pipeline welded by the non-contact hot melting machine exceed the level of the existing hot melting machine, and the hot melting machine can be used for cold water pipes and hot water pipes and has better impact resistance and long-term creep resistance.

The non-contact hot melting machine provided by the embodiment of the invention is a new operation method of firstly arranging pipes for socket installation and then carrying out non-contact hot melting, has a good sealing effect, reduces the size error, reduces the flash and deflection of hot melting, reduces the scalding and reduces the rework of human factors. And zero error in the installation process, and is particularly advantageous for small space operation.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these should also be considered as within the scope of the present invention.

Claims

1. A non-contact hot-melt machine for heating pre-embedded closed metal rings (130) in plastic pipes (110), said plastic pipes (110) being intended for connecting plastic pipes (120), comprising:

the electromagnetic induction heater comprises a shell (230), an electromagnetic induction generator and a controller, wherein the electromagnetic induction generator and the controller are arranged in the shell (230), and the controller is electrically connected with the electromagnetic induction generator;

the transducer chuck is arranged at the end part of the shell (230), and comprises an upper chuck (210) and a lower chuck (220), wherein the upper chuck (210) comprises a first electromagnetic induction coil and a first insulating piece, the first electromagnetic induction coil is embedded in the first insulating piece, the first electromagnetic induction coil is electrically connected with the electromagnetic induction generator, the lower chuck (220) comprises a second electromagnetic induction coil and a second insulating piece, the second electromagnetic induction coil is embedded in the second insulating piece, and the second electromagnetic induction coil is electrically connected with the electromagnetic induction generator.

2. A non-contact heat fusion machine according to claim 1 wherein the upper jaw (210) is one of oval, rectangular or polygonal in shape and the lower jaw (220) is the same shape as the upper jaw (210).

3. A non-contact hot-melt machine according to claim 1, characterized by further comprising a handle (240), said handle (240) being provided above said housing (230).

4. A hot-melt machine according to claim 3, characterized in that said handle (240) comprises an arc-shaped rod, both ends of which are fixedly connected to said housing (230).

5. The non-contact hot melt machine according to claim 4, wherein the arc-shaped rod is made of engineering plastic.