CN220594051U

CN220594051U - Plastic flaring machine with automatic heating device

Info

Publication number: CN220594051U
Application number: CN202322273189.9U
Authority: CN
Inventors: 李宁; 王友彬; 陶少明
Original assignee: Xiongxian Jinghua Plastic Products Co ltd
Current assignee: Xiongxian Jinghua Plastic Products Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-03-15
Anticipated expiration: 2033-08-23

Abstract

The utility model discloses a plastic flaring machine with an automatic heating device, which comprises a heating mechanism, a flaring mechanism and a conveying mechanism, wherein the conveying mechanism comprises a frame and a plurality of sliding rails arranged on the frame, the heating mechanism and the flaring mechanism are arranged at the same end of the frame, and a plurality of driving rollers and sliding blocks are arranged between the sliding rails at intervals; the heating mechanism comprises a heating box, a main heating pipe is arranged at the central position of the interior of the heating box, a plurality of auxiliary heating pipes are arranged around the main heating pipe on the inner peripheral wall of the heating box, the main heating pipe comprises a front area, a middle area and a rear area, and heating wires are respectively arranged in the front area, the middle area and the rear area. The plastic flaring machine with the automatic heating device is adopted, constant-temperature heating is automatically kept, the pipe is heated at all parts more quickly, uniformly and consistently, the flaring quality and efficiency of a subsequent flaring mechanism on the pipe are greatly improved, and the plastic flaring machine has good economical efficiency.

Description

Plastic flaring machine with automatic heating device

Technical Field

The utility model relates to the technical field of plastic pipe processing, in particular to a plastic flaring machine with an automatic heating device.

Background

The current production process of the plastic pipe comprises the procedures of kneading, extruding, shaping, traction, cutting and flaring. The flaring process is mainly completed through a flaring machine so as to realize connection between plastic pipes. The current flaring machine mainly comprises a heating mechanism, a flaring mechanism and a conveying mechanism. When the flaring machine performs flaring operation, the plastic pipe head is uniformly heated to soften, and the conveying mechanism of the flaring machine drives the pipe to move, so that the flaring process is completed.

In the prior art, a heating mode of a flaring machine is generally that the head of a pipe is stretched into a heating box of the flaring machine for heating. However, in the actual production process, the pipe with poor straightness may have uneven heating of each section of the pipe head on the conveying mechanism of the flaring machine due to the influence of the straightness of the pipe and the too simple structure of the heating box, and the heating effect is influenced, so that the problems of local deformation, inconsistent radial shrinkage, even cracking and the like are easily generated in the subsequent flaring process, and the flaring qualification rate is seriously influenced.

Disclosure of Invention

The utility model aims to provide the plastic flaring machine with the automatic heating device, which has the advantages that the temperature is adjustable, the constant-temperature heating is automatically kept, the heating of the pipe is quicker, more uniform and consistent, the flaring quality and the flaring efficiency of the pipe by a follow-up flaring mechanism are greatly improved, and the economic efficiency is good.

In order to achieve the above purpose, the utility model provides a plastic flaring machine with an automatic heating device, which comprises a heating mechanism, a flaring mechanism and a conveying mechanism, wherein the conveying mechanism comprises a frame and a plurality of sliding rails arranged on the frame, the heating mechanism and the flaring mechanism are arranged at the same end of the frame, and a plurality of driving rollers and sliding blocks are arranged between the sliding rails at intervals;

the heating mechanism comprises a heating box, a main heating pipe is arranged at the inner central position of the heating box, a plurality of auxiliary heating pipes are arranged around the main heating pipe on the inner peripheral wall of the heating box, the main heating pipe comprises a front area, a middle area and a rear area, heating wires are respectively arranged in the front area, the middle area and the rear area, the heating box is provided with an automatic temperature control device electrically connected with the heating wires, and a control display electrically connected with the automatic temperature control device is arranged on the outer wall surface of the heating box.

Preferably, the flaring mechanism comprises a flaring die and a pair of clamping blocks, the clamping blocks are of a C-shaped structure, the clamping blocks are symmetrically arranged along the flaring die, and driving cylinders are arranged at the outer ends of the clamping blocks.

Preferably, the top end of the front area is provided with a heat insulation plate.

Preferably, the automatic temperature control device comprises a shell, a control circuit and a working circuit, wherein the control circuit comprises a support, a mercury thermometer, a power supply, a first wire and an electromagnet, the mercury thermometer, the power supply, the first wire and the electromagnet are sequentially and electrically connected, two ends of the first wire are respectively inserted into the upper end and the lower end of the mercury thermometer, the support is of an I-shaped structure, the upper end of the support is fixedly connected with the lower end of the support through a spring, the electromagnet is arranged at the lower end of the support, an armature and a movable contact are fixedly arranged at the upper end of the support, the armature is arranged right above the electromagnet, the working circuit comprises a fixed contact and a second wire, one end of the second wire is connected with the movable contact through the fixed contact, and the other end of the second wire is connected with the heating wire.

Preferably, the auxiliary heating pipe comprises a heating wire, and the heating wire is electrically connected with the automatic temperature control device.

Therefore, the plastic flaring machine with the automatic heating device is adjustable in temperature, can automatically keep constant-temperature heating, is more rapid, uniform and consistent in heating of all parts of the pipe, greatly improves the flaring quality and efficiency of a subsequent flaring mechanism on the pipe, and has good economical efficiency.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a schematic view of an embodiment of a plastic flaring machine with an automatic heating device according to the present utility model;

fig. 2 is a schematic structural view of an automatic temperature control device of an embodiment of a plastic flaring machine with an automatic heating device.

Reference numerals

1. A frame; 2. a sliding rail; 3. a driving roller; 4. a slide block; 5. a flaring die; 6. a clamping block; 7. a driving cylinder; 8. a heating box; 9. a main heating pipe; 10. a secondary heating pipe; 11. a heating wire; 12. a heat insulating plate; 13. an automatic temperature control device; 14. controlling a display; 15. a housing; 16. a control circuit; 17. a working circuit; 18. a bracket; 19. a mercury thermometer; 20. a power supply; 21. a first wire; 22. an electromagnet; 23. a spring; 24. an armature; 25. a movable contact; 26. a stationary contact; 27. and a second wire.

Detailed Description

The technical scheme of the utility model is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in the figure, the plastic flaring machine with the automatic heating device comprises a heating mechanism, a flaring mechanism and a conveying mechanism, wherein the conveying mechanism comprises a frame 1 and a plurality of sliding rails 2 arranged on the frame 1, the heating mechanism and the flaring mechanism are arranged at the same end of the frame 1, and a plurality of driving rollers 3 and sliding blocks 4 are arranged between the sliding rails 2 at intervals. The pipe longitudinally moves to the heating mechanism through the driving roller 3, the heated pipe transversely moves to the flaring mechanism along the sliding track 2 through the sliding block 4, the flaring process is completed, and the pipe can be conveyed to a pipe collecting device or the next process through the reverse movement of the driving roller 3.

The flaring mechanism comprises a flaring die 5 and a pair of clamping blocks 6, the clamping blocks 6 are of a C-shaped structure, the clamping blocks 6 are symmetrically arranged along the flaring die 5, a driving cylinder 7 is arranged at the outer end of the clamping blocks 6, and the driving cylinder 7 provides power for the clamping blocks 6. The pair of clamping blocks 6 are contacted with the pipe and fixed at the appointed position, the flaring die 5 penetrates into the pipe to finish flaring, and after cooling and shaping, the clamping blocks 6 draw out the pipe.

The heating mechanism comprises a heating box 8, a main heating pipe 9 is arranged in the center of the inside of the heating box 8, and a plurality of auxiliary heating pipes 10 are arranged on the inner peripheral wall of the heating box 8 around the main heating pipe 9. The main heating pipe 9 comprises a front zone, a middle zone and a rear zone, wherein the front zone, the middle zone and the rear zone are respectively provided with a heating wire 11, the heating box 8 is provided with an automatic temperature control device 13 electrically connected with the heating wires 11, and the temperatures of the front zone, the middle zone and the rear zone can be respectively controlled. The top of front region is provided with heat insulating board 12, and heat insulating board 12 helps blockking heat in the heater strip 11 and keeps away from the inside transmission of heating cabinet 8 one side to the tubular product, avoids tubular product non-heating end to produce radial shrink. The main heating pipe 9 and the auxiliary heating pipe 10 are made of the same material, and similarly, the auxiliary heating pipe 10 comprises a heating wire 11, and the heating wire 11 is electrically connected with an automatic temperature control device 13. The outer wall surface of the heating box 8 is provided with a control display 14 electrically connected with an automatic temperature control device 13, so that a worker can conveniently set and monitor the temperature of the heating mechanism.

The automatic temperature control device 13 comprises a shell 15, a control circuit 16 and a working circuit 17, wherein the control circuit 16 comprises a bracket 18 and a mercury thermometer 19, a power supply 20, a first lead 21 and an electromagnet 22 which are electrically connected in sequence. Both ends of the first lead wire 21 are inserted into the upper and lower ends of the mercury thermometer 19, respectively. The support 18 is I-shaped structure, and the upper end of support 18 passes through spring 23 and the lower extreme fixed connection of support 18, and electro-magnet 22 sets up in the lower extreme of support 18, and the upper end of support 18 is fixedly provided with armature 24 and movable contact 25, and armature 24 sets up directly over electro-magnet 22. The working circuit 17 includes a stationary contact 26 and a second wire 27, one end of the second wire 27 is connected to the movable contact 25 through the stationary contact 26, and the other end of the second wire 27 is connected to the heating wire 11.

Working principle: the first wire 21 is adjusted to be inserted into the upper end of the mercury thermometer 19 by controlling the display 14 to be set at a temperature position, for example, 245 ℃, if the temperature in the heating box 8 is lower than the set temperature 245 ℃, the first wire 21 above the mercury thermometer 19 is disconnected from mercury, so that the control circuit 16 is powered off, the electromagnet 22 loses magnetism, the movable contact 25 rises under the action of the spring 23 to be connected with the fixed contact 26, the working circuit 17 works, the heating wire 11 starts to heat, when the temperature reaches the set temperature 245 ℃ of the heating box 8, the mercury in the mercury thermometer 19 rises to be connected with the first wire 21 at the upper end, the control circuit 16 works, the electromagnet 22 has magnetism to attract the movable contact 25 to descend, the working circuit 17 stops working, and when the temperature of the heating wire 11 is lower than 245 ℃, the working circuit 17 stops working, and the like, the process is repeated again. The temperature of the heating box 8 can be set to be optimal at 245 ℃, and the cost is low, so that the heating box has good economical efficiency.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A plastic flaring machine with an automatic heating device, which is characterized in that: the device comprises a heating mechanism, a flaring mechanism and a conveying mechanism, wherein the conveying mechanism comprises a frame and a plurality of sliding rails arranged on the frame, the heating mechanism and the flaring mechanism are arranged at the same end of the frame, and a plurality of driving rollers and sliding blocks are arranged between the sliding rails at intervals;

2. A plastic flaring machine with an automatic heating device as claimed in claim 1, characterized in that: the flaring mechanism comprises a flaring die and a pair of clamping blocks, the clamping blocks are of C-shaped structures, the clamping blocks are symmetrically arranged along the flaring die, and driving cylinders are arranged at the outer ends of the clamping blocks.

3. A plastic flaring machine with an automatic heating device as claimed in claim 1, characterized in that: the top of the front area is provided with a heat insulation board.

4. A plastic flaring machine with an automatic heating device as claimed in claim 1, characterized in that: the automatic temperature control device comprises a shell, a control circuit and a working circuit, wherein the control circuit comprises a support, a mercury thermometer, a power supply, a first wire and an electromagnet, the mercury thermometer, the power supply, the first wire and the electromagnet are electrically connected in sequence, two ends of the first wire are respectively inserted into the upper end and the lower end of the mercury thermometer, the support is of an I-shaped structure, the upper end of the support is fixedly connected with the lower end of the support through a spring, the electromagnet is arranged at the lower end of the support, an armature and a movable contact are fixedly arranged at the upper end of the support, the armature is arranged right above the electromagnet, the working circuit comprises a fixed contact and a second wire, one end of the second wire is connected with the movable contact through the fixed contact, and the other end of the second wire is connected with the heating wire.

5. A plastic flaring machine with an automatic heating device as claimed in claim 1, characterized in that: the auxiliary heating pipe comprises a heating wire, and the heating wire is electrically connected with the automatic temperature control device.