CN211481503U

CN211481503U - Sleeve high-temperature curing variable-frequency electric heating device

Info

Publication number: CN211481503U
Application number: CN201922388886.2U
Authority: CN
Inventors: 叶贤忠
Original assignee: Shanghai Xinrui Insulation Material Co ltd
Current assignee: Shanghai Xinrui Insulation Material Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-11
Anticipated expiration: 2029-12-24

Abstract

The utility model belongs to the technical field of carbon fiber sleeve production, and particularly discloses a sleeve high-temperature curing variable-frequency electric heating device, which comprises a heating box and a heating device; a box door is arranged on one side of the heating box, the box door is rotatably connected with the heating box through a rotating shaft, a sleeve containing groove is formed in the center of the interior of the heating box, rotating rods are arranged at two ends of the sleeve containing groove, one end, far away from each other, of each rotating rod is fixedly connected with the output end of the rotating motor, and a clamping block matched with an inner hole of the sleeve is arranged at the opposite end of each rotating rod; the heating devices are arranged on two sides of the sleeve containing groove; the heating device comprises a heat conducting plate, a heating coil and a thermocouple temperature sensor; the two heat-conducting plates are arranged on two sides of the sleeve containing groove, and heating coils are fixedly arranged on one sides, away from each other, of the two heat-conducting plates; and the thermocouple temperature sensor is fixedly arranged on the bottom surface of the sleeve placing groove.

Description

Sleeve high-temperature curing variable-frequency electric heating device

Technical Field

The utility model relates to a carbon fiber sleeve pipe production technical field specifically is a sleeve pipe high temperature curing frequency conversion electric heater unit.

Background

The carbon fiber is a high-strength high-modulus fiber with the carbon content of more than 90 percent, and is applied in a plurality of fields, and the carbon fiber sleeve is used as a basic and common carbon fiber product and is an important structural member; the high-temperature curing molding of the carbon fiber sleeve in production is an important part for ensuring the quality of the carbon fiber sleeve product, and the heating device used at present can only control the heating time generally, and cannot keep the temperature constant during heating, so that the high-temperature curing efficiency is not high, and the sleeve product after high-temperature curing is also reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sleeve pipe high temperature curing frequency conversion electric heater unit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sleeve high-temperature curing variable-frequency electric heating device comprises a heating box and a heating device; a box door is arranged on one side of the heating box, the box door is rotatably connected with the heating box through a rotating shaft, a sleeve containing groove is formed in the center of the interior of the heating box, rotating rods are arranged at two ends of the sleeve containing groove, one end, far away from each other, of each rotating rod is fixedly connected with the output end of the rotating motor, and a clamping block matched with an inner hole of the sleeve is arranged at the opposite end of each rotating rod; the heating devices are arranged on two sides of the sleeve containing groove; the heating device comprises a heat conducting plate, a heating coil and a thermocouple temperature sensor; the two heat-conducting plates are arranged on two sides of the sleeve containing groove, and heating coils are fixedly arranged on one sides, away from each other, of the two heat-conducting plates; and the thermocouple temperature sensor is fixedly arranged on the bottom surface of the sleeve placing groove.

Preferably, the thermocouple temperature sensor is connected with a signal converter through a circuit, the signal converter is connected with a frequency converter through a circuit, the frequency converter is connected with a controller through a circuit, and the controller is connected with the heating coil through a circuit; the thermocouple temperature sensor can detect the temperature in the casing pipe standing groove, and then feeds back the signal to the converter through signal converter, and the converter passes through signal adjustment electric current size and adjusts the power of heating coil through the controller, and then can make the temperature in the casing pipe standing groove keep invariable through the change of heating coil power.

Preferably, the controller adopts an FPGA controller, and the controller supplies power through a power supply.

Preferably, the heat conducting plate is an arc-shaped plate, and the radian of the heat conducting plate is matched with the size of the sleeve; through setting up in the heat-conducting plate that the sleeve pipe size matches to increased the area of contact between heat-conducting plate and the sleeve pipe, and then made the heat transfer effect of heat pipe better.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a heating device can make the temperature in the sleeve pipe standing groove keep invariable to improve the efficiency of carbon fiber preimpregnation material high temperature curing and sheathed tube product quality behind the high temperature curing.

Drawings

Fig. 1 is an overall front view of the present invention;

fig. 2 is a side view of the heating device of the present invention;

fig. 3 is a circuit block diagram of the present invention.

In the figure: 1. a heating box; 2. a box door; 3. a casing placing groove; 4. a clamping block; 5. a rotating rod; 6. a rotating electric machine; 7. a heating device; 701. a heat conducting plate; 702. a thermocouple temperature sensor; 703. and a heating coil.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a sleeve high-temperature curing variable-frequency electric heating device 7 comprises a heating box 1 and a heating device 7; a box door 2 is arranged on one side of the heating box 1, the box door 2 is rotatably connected with the heating box 1 through a rotating shaft, a sleeve containing groove 3 is formed in the central position in the heating box 1, rotating rods 5 are arranged at two ends of the sleeve containing groove 3, one ends of the two rotating rods 5, which are far away from each other, are fixedly connected with the output end of a rotating motor 6, and a clamping block 4 matched with an inner hole of the sleeve is arranged at the opposite end of the two rotating rods 5; the heating devices 7 are arranged on two sides of the casing pipe placing groove 3; the heating device 7 comprises a heat conducting plate 701, a heating coil 703 and a thermocouple temperature sensor 702; the number of the heat conduction plates 701 is two, the heat conduction plates are arranged on two sides of the sleeve placing groove 3, and the heating coils 703 are fixedly arranged on one sides, away from each other, of the two heat conduction plates 701; the thermocouple temperature sensor 702 is fixedly installed on the bottom surface of the casing accommodating groove 3.

Further, the thermocouple temperature sensor 702 is connected with a signal converter through a circuit, the signal converter is connected with a frequency converter through a circuit, the frequency converter is connected with a controller through a circuit, and the controller is connected with the heating coil 703 through a circuit; the thermocouple temperature sensor 702 can detect the temperature in the casing placement groove 3, and then feed back a signal to the frequency converter through the signal converter, the frequency converter adjusts the current through the signal and adjusts the power of the heating coil 703 through the controller, and the temperature in the casing placement groove 3 can be kept constant through the change of the power of the heating coil 703.

Furthermore, the controller adopts an FPGA controller, and the controller supplies power through a power supply.

Further, the heat conducting plate 701 is an arc-shaped plate, and the radian of the arc-shaped plate is matched with the size of the sleeve; through setting up in the heat-conducting plate 701 that the sleeve pipe size matches to increased the area of contact between heat-conducting plate 701 and the sleeve pipe, and then made the heat transfer effect of heat pipe better.

The working principle is as follows: when in use, carbon fiber prepreg is uniformly rolled on the surface of a sleeve mould and is placed into a sleeve placing groove 3 arranged in a heating box 1 after the surface is coated with a layer of OPP, then a clamping block 4 arranged at the end part of a rotating rod 5 is embedded into a clamping groove arranged in an inner hole of the sleeve mould, so that the two rotating rods 5 are fixedly connected with the sleeve mould, the other ends of the two rotating rods 5 are fixedly connected with the output end of a rotating motor 6, so that the rotating motor 6 can drive the rotating rods 5 to drive the sleeve mould and the carbon fiber prepreg rolled on the surface of the sleeve mould to rotate, the carbon fiber prepreg is subjected to high-temperature curing through heating devices 7 at two sides of the sleeve placing groove 3 while rotating, the heating devices 7 are used for heating through heating coils arranged at two sides of a heat conducting plate 701, and the heat conducting plate 703 generated by the heating coils 703 into the sleeve placing groove 3 to perform high-temperature curing on the carbon fiber prepreg, the thermocouple temperature sensor 702 can detect the temperature in the casing placing groove 3, then the signal is fed back to the frequency converter through the signal converter, the frequency converter adjusts the current size through the signal and adjusts the power of the heating coil 703 through the controller, and then the temperature in the casing placing groove 3 can be kept constant through the change of the power of the heating coil 703, so that the high-temperature curing efficiency of the carbon fiber prepreg and the product quality of the cured casing are improved.

It is worth noting that: whole device realizes control through total control button to rotating electrical machines, because the equipment that control button matches is common equipment, belongs to prior knowledge technique, no longer gives unnecessary details its electric connection relation and specific circuit structure here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sleeve pipe high temperature solidification frequency conversion electric heater unit which characterized in that: comprises a heating box (1) and a heating device (7); a box door (2) is arranged on one side of the heating box (1), the box door (2) is rotatably connected with the heating box (1) through a rotating shaft, a sleeve placing groove (3) is formed in the center of the interior of the heating box (1), rotating rods (5) are arranged at two ends of the sleeve placing groove (3), one ends, far away from each other, of the two rotating rods (5) are fixedly connected with the output end of a rotating motor (6), and a clamping block (4) matched with an inner hole of the sleeve is arranged at the opposite end of the two rotating rods (5); the heating devices (7) are arranged on two sides of the sleeve placing groove (3); the heating device (7) comprises a heat conducting plate (701), a heating coil (703) and a thermocouple temperature sensor (702); the number of the heat conduction plates (701) is two, the heat conduction plates are arranged on two sides of the sleeve placing groove (3), and the heating coils (703) are fixedly arranged on one sides, away from each other, of the two heat conduction plates (701); the thermocouple temperature sensor (702) is fixedly arranged on the bottom surface of the sleeve placing groove (3).

2. The bushing high-temperature curing variable-frequency electric heating device according to claim 1, characterized in that: the thermocouple temperature sensor (702) is connected with a signal converter through a circuit, the signal converter is connected with a frequency converter through a circuit, the frequency converter is connected with a controller through a circuit, and the controller is connected with the heating coil (703) through a circuit.

3. The bushing high-temperature curing variable-frequency electric heating device according to claim 2, characterized in that: the controller adopts an FPGA controller, and the controller supplies power through a power supply.

4. The bushing high-temperature curing variable-frequency electric heating device according to claim 1, characterized in that: the heat conducting plate (701) is an arc-shaped plate, and the radian of the arc-shaped plate is matched with the size of the sleeve.