阅读说明：本技术 新能源汽车水热ptc绝缘纸裁切包覆系统及其工作方法 (New energy automobile hydrothermal PTC insulating paper cutting and coating system and working method thereof ) 是由 黄启焜 李巧华 林铃茂 邹勇 陈剑斌 于 2021-08-18 设计创作，主要内容包括：本发明涉及一种新能源汽车水热PTC绝缘纸裁切包覆系统及其工作方法,该系统包括机架以及设于机架上的纸卷内涨芯轴、进给机构、旋转机构、裁切机构、取料夹爪机构、贴合夹爪机构、中转夹爪机构、检测装置和出料夹爪机构,绝缘纸卷上料至纸卷内涨芯轴,进给机构带动绝缘纸位移至旋转平台,裁切机构对绝缘纸进行裁切,旋转机构将绝缘纸运转至包覆工位,取料夹爪机构夹取PTC与绝缘纸贴合,贴合夹爪机构将绝缘纸与PTC贴合紧密并夹取至中转工位,中转夹爪机构将PTC夹取至检测工位,检测装置检测绝缘纸包覆情况,出料夹爪机构根据检测结果夹取PTC至合格品或不合格品出料位。该系统自动化程度高,有利于提高水热PTC发热芯体装配的质量和效率,节省人工成本。(The invention relates to a new energy automobile hydrothermal PTC insulating paper cutting and coating system and a working method thereof, the system comprises a rack, a paper roll internal expansion mandrel, a feeding mechanism, a rotating mechanism, a cutting mechanism, a material taking clamping jaw mechanism, a laminating clamping jaw mechanism, a transfer clamping jaw mechanism, a detection device and a discharging clamping jaw mechanism, wherein the paper roll internal expansion mandrel, the feeding mechanism, the material taking clamping jaw mechanism, the laminating clamping jaw mechanism, the rotating mechanism and the detecting device are arranged on the rack, an insulating paper roll is fed to the paper roll internal expansion mandrel, the feeding mechanism drives the insulating paper to move to a rotating platform, the cutting mechanism cuts the insulating paper, the rotating mechanism rotates the insulating paper to a coating station, the material taking clamping jaw mechanism clamps the PTC to be laminated with the insulating paper, the laminating clamping jaw mechanism tightly laminates the insulating paper with the PTC and clamps the PTC to the transfer station, the transfer clamping jaw mechanism clamps the PTC to the detection station, the detection device detects the coating condition of the insulating paper, and the discharging clamping jaw mechanism clamps the PTC to a discharging position of the qualified product or the unqualified product according to the detection result. The system has high automation degree, is favorable for improving the quality and efficiency of the assembly of the hydrothermal PTC heating core, and saves labor cost.)

1. A new energy automobile hydrothermal PTC insulating paper cutting and coating system is characterized by comprising a rack, a paper roll internal expansion mandrel, a feeding mechanism, a rotating mechanism, a cutting mechanism, a material taking clamping jaw mechanism, a laminating clamping jaw mechanism, a transfer clamping jaw mechanism, a detection device and a material discharging clamping jaw mechanism, wherein the paper roll internal expansion mandrel, the feeding mechanism, the rotating mechanism, the material taking clamping jaw mechanism, the laminating clamping jaw mechanism, the detection device and the material discharging clamping jaw mechanism are arranged on the rack, an insulating paper roll is fed to the paper roll internal expansion mandrel, the front end of the insulating paper is pulled to a paper pulling and sucking plate of the feeding mechanism, the feeding mechanism is used for driving the insulating paper to move to a rotating platform of the rotating mechanism, the cutting mechanism is used for cutting the moved insulating paper, the rotating mechanism is used for operating the cut insulating paper from the material taking station to a coating station, the material taking clamping jaw mechanism is used for clamping and moving a PTC heating core body to be adhered to the insulating paper, the adhering clamping jaw mechanism is used for tightly adhering the insulating paper to the PTC heating core body, and get to the transfer station from the cladding station clamp, the PTC that the transfer gripper mechanism was used for laminating with insulating paper generates heat the core and gets to the detection station from the transfer station clamp, detection device is used for detecting the insulating paper cladding condition, ejection of compact gripper mechanism is used for pressing from both sides the PTC that coats insulating paper and generates heat the core and get to qualified products discharge material position or unqualified products discharge material position according to the testing result.

2. The hydrothermal PTC insulating paper cutting and wrapping system for the new energy automobile as claimed in claim 1, wherein a leveling mechanism is arranged between the paper roll internal expanding mandrel and the feeding mechanism, the leveling mechanism comprises an upper pinch roller mechanism and a lower guide roller, the upper pinch roller mechanism is provided with an upper pinch roller which can move up and down, so that a gap between the upper pinch roller and the lower guide roller can be adjusted to adapt to the thickness of the insulating paper, and the paper discharging of the margin paper is primarily leveled.

3. The hydrothermal PTC insulating paper cutting and covering system for the new energy automobile according to claim 1, wherein the feeding mechanism comprises a paper pulling suction plate and a servo driving mechanism, the paper pulling suction plate is used for sucking the front end of the insulating paper, the servo driving mechanism is used for driving the paper pulling suction plate to move back and forth, the servo driving mechanism accurately controls the feeding amount of the insulating paper, the paper pulling suction plate is driven to drive the insulating paper to move to a rotating platform of the rotating mechanism, and after the paper pulling suction plate is conveyed to the rotating platform of the rotating mechanism, the insulating paper is loosened and reset to an initial position.

4. The hydrothermal PTC insulating paper cutting and covering system for the new energy automobile according to claim 3, wherein an insulating paper detection unit is arranged on the front side of the feeding mechanism to detect whether the insulating paper is defective or not.

5. The hydrothermal PTC insulating paper cutting and wrapping system for the new energy automobile according to claim 1, wherein the cutting mechanism comprises a cutting knife, a cutting knife moving guide rail and a cutting knife driving mechanism, the cutting knife moving guide rail is transversely arranged, and the cutting knife driving mechanism drives the cutting knife to transversely move along the cutting knife moving guide rail, so that the insulating paper on the rotating platform is cut and reset after the cutting.

6. The hydrothermal PTC insulating paper cutting and wrapping system for the new energy automobile as claimed in claim 1, wherein the rotating mechanism comprises a rotating platform and a rotating driving mechanism, the rotating driving mechanism drives the rotating platform to move between the material taking station and the wrapping station, a slit is formed in the middle of the rotating platform, so that a cutting knife of the cutting mechanism penetrates through and cuts off the insulating paper when cutting is conducted, and the PTC heating core body penetrates through and sinks into the wrapping of the insulating paper when wrapping is conducted.

7. The new energy automobile hydrothermal PTC insulating paper cutting and wrapping system as claimed in claim 1, wherein the material taking clamping jaw mechanism is arranged at a lower side of the wrapping station, and after the cut insulating paper is operated to the wrapping station, the material taking clamping jaw mechanism clamps the PTC heating core from the PTC feeding station and moves to a position right below the rotating platform, then drives the PTC heating core to be attached to the insulating paper from bottom to top, and pushes the insulating paper upwards and sinks into the wrapping of the insulating paper; the laminating clamping jaw mechanism clamps the insulation paper and the PTC heating core from the upper side to enable the insulation paper and the PTC heating core to be tightly laminated, and then the PTC heating core laminated with the insulation paper is clamped to the transfer station from the coating station.

8. The hydrothermal PTC insulating paper cutting and covering system for the new energy automobile according to claim 1, wherein the detection device is a CCD detection device, the CCD detection device comprises a light emitting unit and a CCD camera unit, the light emitting unit emits light when a PTC heating core covering the insulating paper enters a detection station, the CCD camera unit shoots the covering condition of the insulating paper, and whether the covering is qualified is judged through image recognition; if the coating is qualified, the discharging clamping jaw mechanism clamps the PTC heating core body coated with the insulating paper to a qualified product discharge material level so as to carry out next-step assembly, otherwise, the discharging clamping jaw mechanism clamps the PTC heating core body to an unqualified product discharge material level so as to carry out corresponding treatment.

9. The hydrothermal PTC insulating paper cutting and wrapping system for the new energy automobile according to claim 1, further comprising a control system, wherein the control system is electrically connected with the feeding mechanism, the rotating mechanism, the cutting mechanism, the material taking clamping jaw mechanism, the attaching clamping jaw mechanism, the transferring clamping jaw mechanism, the detection device and the discharging clamping jaw mechanism respectively so as to receive related signals and drive the related mechanisms to automatically work.

10. The working method of the new energy automobile hydrothermal PTC insulating paper cutting and covering system according to any one of claims 1-9, characterized by comprising the following steps:

1) the insulating paper roll is fed to the paper roll internal expanding mandrel, and the front end of the insulating paper is drawn to a paper pulling suction plate of the feeding mechanism;

2) the feeding mechanism drives the insulation paper to move to a rotary platform of the rotating mechanism;

3) the cutting mechanism cuts the shifted insulating paper;

4) the rotating mechanism operates the cut insulating paper from the material taking station to the coating station;

5) the material taking clamping jaw mechanism clamps the PTC heating core from the PTC feeding station and drives the PTC heating core to be attached to the insulating paper, so that the PTC heating core is coated by the insulating paper;

6) the laminating clamping jaw mechanism clamps the insulating paper and the PTC heating core body to enable the insulating paper and the PTC heating core body to be tightly laminated, and then the PTC heating core body laminated with the insulating paper is clamped to a transfer station from a coating station;

7) the transfer clamping jaw mechanism clamps the PTC heating core body attached to the insulating paper from a transfer station to a detection station;

8) the detection device detects the coating condition of the insulating paper and judges whether the coating is qualified or not;

9) and the discharging clamping jaw mechanism clamps the PTC heating core body coated with the insulating paper to a qualified product discharging position or an unqualified product discharging position according to the detection result, and the cutting and coating work is finished.

Technical Field

The invention belongs to the technical field of production of PTC heaters of new energy vehicles, and particularly relates to a new energy vehicle hydrothermal PTC insulating paper cutting and coating system and a working method thereof.

Background

At present, manufacturers of new energy vehicles, namely PTC (positive temperature coefficient) water heating devices, adopt manual assembly lines for assembly, labor cost is high, efficiency is low, cutting and coating of insulating paper are time-consuming and labor-consuming in the assembly process, assembly quality is uneven, and production efficiency and factory-leaving quality of the PTC water heating devices are greatly influenced.

Disclosure of Invention

The invention aims to provide a new energy automobile hydrothermal PTC insulating paper cutting and coating system and a working method thereof.

In order to achieve the purpose, the invention adopts the technical scheme that: a new energy automobile hydrothermal PTC insulating paper cutting and coating system comprises a rack, a paper roll internal expansion mandrel, a feeding mechanism, a rotating mechanism, a cutting mechanism, a material taking clamping jaw mechanism, a laminating clamping jaw mechanism, a transfer clamping jaw mechanism, a detection device and a discharging clamping jaw mechanism, wherein the paper roll internal expansion mandrel, the feeding mechanism, the rotating mechanism, the material taking clamping jaw mechanism, the laminating clamping jaw mechanism, the transfer clamping jaw mechanism, the detection device and the discharging clamping jaw mechanism are arranged on the rack, an insulating paper roll is fed to the paper roll internal expansion mandrel, the front end of the insulating paper is pulled to a paper pulling suction plate of the feeding mechanism, the feeding mechanism is used for driving the insulating paper to move to a rotating platform of the rotating mechanism, the cutting mechanism is used for cutting the moved insulating paper, the rotating mechanism is used for operating the cut insulating paper from the material taking station to a coating station, the material taking clamping jaw mechanism is used for clamping and moving a PTC heating core body to be adhered to the insulating paper, the laminating clamping jaw mechanism is used for tightly adhering the insulating paper and the PTC heating core body to the PTC heating core body from the coating station to the transfer station, transfer clamping jaw mechanism is used for pressing from both sides the PTC heating core body that has laminated with the insulating paper from the transfer station and getting to the detection station, detection device is used for detecting the insulating paper cladding condition, ejection of compact clamping jaw mechanism is used for pressing from both sides the PTC heating core body of cladding insulating paper according to the testing result and gets to qualified products discharge material level or unqualified products discharge material level.

Further, be equipped with between scroll internal expanding dabber and the feed mechanism and level the mechanism, level the mechanism and include upper pinch roller mechanism and the lower guide pulley of upper and lower setting, upper pinch roller mechanism has the upper pinch roller that can up-and-down motion to adjust the clearance between upper pinch roller and the lower guide pulley, make its thickness that adapts to the insulating paper, and go out paper to marginal paper and carry out preliminary leveling.

Further, feed mechanism is including drawing paper suction disc and servo drive mechanism, drawing paper suction disc is used for holding the insulating paper front end, servo drive mechanism is used for driving drawing paper suction disc seesaw, servo drive mechanism accurate control insulating paper feed volume, the drive draws paper suction disc to drive the insulating paper displacement to rotary mechanism's rotary platform on, draw paper suction disc to carry to rotary mechanism's rotary platform on the back, loosen insulating paper to reset to initial position.

Further, an insulation paper detection unit is arranged on the front side of the feeding mechanism to detect whether insulation paper has defects or not.

Further, cut the mechanism including cutting the sword, cutting sword motion guide rail and cutting sword actuating mechanism, it transversely sets up to cut sword motion guide rail, cut sword actuating mechanism drive and cut the sword along cutting sword motion guide rail lateral motion, cut the insulating paper on the rotation platform to reset after cutting.

Further, rotary mechanism includes rotary platform and rotary driving mechanism, rotary driving mechanism drive rotary platform is getting the material station and is moving between the cladding station, the rotary platform middle part is equipped with the slit to let the sword that cuts of cutting the mechanism pass and cut off insulating paper when cutting, and let PTC generate heat the core and pass and be absorbed in the cladding of insulating paper when the cladding.

Furthermore, the material taking clamping jaw mechanism is arranged on the lower side of the coating station, and after the cut insulating paper is operated to the coating station, the material taking clamping jaw mechanism clamps the PTC heating core from the PTC feeding station and moves to the position right below the rotating platform, then drives the PTC heating core to be attached to the insulating paper from bottom to top, and pushes the insulating paper upwards and sinks into the coating of the insulating paper; the laminating clamping jaw mechanism clamps the insulation paper and the PTC heating core from the upper side to enable the insulation paper and the PTC heating core to be tightly laminated, and then the PTC heating core laminated with the insulation paper is clamped to the transfer station from the coating station.

Further, the detection device is a CCD detection device, the CCD detection device comprises a light-emitting unit and a CCD camera unit, the light-emitting unit emits light when the PTC heating core body coated with the insulating paper enters the detection station, the CCD camera unit shoots the coating condition of the insulating paper, and whether the coating is qualified is judged through image identification; if the coating is qualified, the discharging clamping jaw mechanism clamps the PTC heating core body coated with the insulating paper to a qualified product discharge material level so as to carry out next-step assembly, otherwise, the discharging clamping jaw mechanism clamps the PTC heating core body to an unqualified product discharge material level so as to carry out corresponding treatment.

Further, still include control system, control system respectively with feed mechanism, rotary mechanism, cut the mechanism, get material clamping jaw mechanism, laminating clamping jaw mechanism, transfer clamping jaw mechanism, detection device and ejection of compact clamping jaw mechanism electric connection to receive relevant signal, and drive relevant mechanism and carry out automated work.

Further, the working method of the new energy automobile hydrothermal PTC insulating paper cutting and coating system comprises the following steps:

1) the insulating paper roll is fed to the paper roll internal expanding mandrel, and the front end of the insulating paper is drawn to a paper pulling suction plate of the feeding mechanism;

2) the feeding mechanism drives the insulation paper to move to a rotary platform of the rotating mechanism;

3) the cutting mechanism cuts the shifted insulating paper;

4) the rotating mechanism operates the cut insulating paper from the material taking station to the coating station;

5) the material taking clamping jaw mechanism clamps the PTC heating core from the PTC feeding station and drives the PTC heating core to be attached to the insulating paper, so that the PTC heating core is coated by the insulating paper;

6) the laminating clamping jaw mechanism clamps the insulating paper and the PTC heating core body to enable the insulating paper and the PTC heating core body to be tightly laminated, and then the PTC heating core body laminated with the insulating paper is clamped to a transfer station from a coating station;

7) the transfer clamping jaw mechanism clamps the PTC heating core body attached to the insulating paper from a transfer station to a detection station;

8) the detection device detects the coating condition of the insulating paper and judges whether the coating is qualified or not;

9) and the discharging clamping jaw mechanism clamps the PTC heating core body coated with the insulating paper to a qualified product discharging position or an unqualified product discharging position according to the detection result, and the cutting and coating work is finished.

Compared with the prior art, the invention has the following beneficial effects: the system overcomes a plurality of problems of the existing manual method for coating the hydrothermal PTC heating core body with the insulation paper, and through the cooperation of the feeding mechanism, the rotating mechanism, the cutting mechanism, the detection device and the related clamping jaw mechanisms, the automatic process of cutting and coating the hydrothermal PTC insulation paper is realized, the assembly efficiency and the production quality of the hydrothermal PTC heating core body are improved, a large amount of labor cost is saved, and the system has strong practicability and wide application prospect.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the system according to the embodiment of the present invention.

Fig. 2 is a schematic diagram of a partial structure of the system of fig. 1.

Fig. 3 is a system control schematic block diagram of an embodiment of the present invention.

In the figure: 1-a paper roll internal expanding mandrel, 201-a paper pulling suction plate, 202-a servo driving mechanism, 3-a rotating mechanism, 301-a rotating platform, 4-a cutting mechanism, 401-a cutting knife, 402-a cutting knife moving guide rail, 403-a cutting knife driving mechanism, 5-a detection device, 6-a leveling mechanism, 601-an upper pinch roller mechanism, 602-a lower guide wheel, 7-a detection unit and 8-an insulating paper roll.

Detailed Description

The invention is further explained below with reference to the drawings and the embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in fig. 1-2, the embodiment provides a new energy vehicle hydrothermal PTC insulating paper cutting and wrapping system, which includes a frame, and a paper roll internal expanding mandrel 1, a feeding mechanism, a rotating mechanism 3, a cutting mechanism 4, a material taking clamping jaw mechanism, a laminating clamping jaw mechanism, a transfer clamping jaw mechanism, a detecting device 5 and a material discharging clamping jaw mechanism which are arranged on the frame, wherein an insulating paper roll 8 is fed to the paper roll internal expanding mandrel 1, and the front end of the insulating paper is pulled to a paper pulling suction plate 201 of the feeding mechanism, the feeding mechanism is used for driving the insulating paper to move to a rotating platform 301 of the rotating mechanism 3, the cutting mechanism 4 is used for cutting the moved insulating paper, the rotating mechanism 3 is used for operating the cut insulating paper from the material taking station to the wrapping station, the material taking clamping jaw mechanism is used for clamping and moving a PTC heating core to be bonded with the insulating paper, laminating clamping jaw mechanism is used for inseparable with the laminating of insulating paper and PTC heating core to press from both sides from the cladding station and get to the transfer station, transfer clamping jaw mechanism is used for pressing from both sides the PTC heating core with the insulating paper laminating from the transfer station and gets to the detection station, detection device 5 is used for detecting the insulating paper cladding condition, ejection of compact clamping jaw mechanism is used for pressing from both sides the PTC heating core of cladding insulating paper according to the testing result and gets to qualified product material level or unqualified product material level.

In this embodiment, a leveling mechanism 6 is arranged between the paper roll internal expanding mandrel 1 and the feeding mechanism, the leveling mechanism 6 includes an upper pinch roller mechanism 601 and a lower guide wheel 602 which are arranged up and down, the upper pinch roller mechanism 601 has an upper pinch roller which can move up and down to adjust a gap between the upper pinch roller and the lower guide wheel 602, so that the gap adapts to the thickness of the insulation paper, and the paper discharging of the edge paper is primarily leveled.

In this embodiment, the feeding mechanism includes a paper pulling suction plate 201 and a servo driving mechanism 202, the paper pulling suction plate 201 is used for sucking the front end of the insulation paper, the servo driving mechanism 202 is used for driving the paper pulling suction plate to move back and forth, the servo driving mechanism 202 accurately controls the feeding amount of the insulation paper, the paper pulling suction plate 201 is driven to drive the insulation paper to move to the rotating platform 301 of the rotating mechanism 3, and the paper pulling suction plate 201 releases the insulation paper after being conveyed to the rotating platform 301 of the rotating mechanism 3 and resets to the initial position.

In the embodiment, the front side of the feeding mechanism is provided with an insulating paper detection unit 7 to detect whether the insulating paper has defects.

In this embodiment, the cutting mechanism 4 includes a cutting knife 401, a cutting knife moving guide 402, and a cutting knife driving mechanism 403, the cutting knife moving guide 402 is laterally disposed, the cutting knife driving mechanism 403 drives the cutting knife 401 to move laterally along the cutting knife moving guide 402, so as to cut the insulation paper on the rotating platform, and reset after cutting.

In this embodiment, rotary mechanism 3 includes rotary platform 301 and rotary driving mechanism, rotary driving mechanism drive rotary platform is getting the material station and is moving between the cladding station, the rotary platform middle part is equipped with the slit to let the sword that cuts of cutting the mechanism pass and cut off insulating paper when cutting, and let PTC generate heat the core and pass and be absorbed in insulating paper's cladding when the cladding.

In this embodiment, the material taking clamping jaw mechanism is arranged at the lower side of the coating station, and after the cut insulating paper is operated to the coating station, the material taking clamping jaw mechanism clamps the PTC heating core from the PTC feeding station and moves to the position right below the rotating platform, and then drives the PTC heating core to be attached to the insulating paper from bottom to top, and pushes the insulating paper upwards and sinks into the coating of the insulating paper; the laminating clamping jaw mechanism clamps the insulation paper and the PTC heating core from the upper side to enable the insulation paper and the PTC heating core to be tightly laminated, and then the PTC heating core laminated with the insulation paper is clamped to the transfer station from the coating station.

In this embodiment, the detection device 5 is a CCD detection device, the CCD detection device includes a light-emitting unit 502 and a CCD camera unit 501, the light-emitting unit 502 emits light when the PTC heating core coated with the insulating paper enters the detection station, the CCD camera unit 501 takes a picture of the coating condition of the insulating paper, and determines whether the coating is qualified through image recognition; if the coating is qualified, the discharging clamping jaw mechanism clamps the PTC heating core body coated with the insulating paper to a qualified product discharging position so as to carry out next OK product assembly, otherwise, the discharging clamping jaw mechanism clamps the PTC heating core body to an unqualified product discharging position so as to carry out NG product removal or corresponding treatment.

In order to realize the automatic operation of the system, as shown in fig. 3, the system further comprises a control system, wherein the control system is electrically connected with the feeding mechanism, the rotating mechanism, the cutting mechanism, the material taking clamping jaw mechanism, the laminating clamping jaw mechanism, the transfer clamping jaw mechanism, the detection device and the material discharging clamping jaw mechanism respectively so as to receive relevant signals and drive the relevant mechanisms to perform the automatic operation.

The working method of the new energy automobile hydrothermal PTC insulating paper cutting and coating system comprises the following steps:

1) and feeding the insulation paper roll 8 to the paper roll internal expanding mandrel 1, and drawing the front end of the insulation paper to a paper pulling suction plate 201 of the feeding mechanism.

Before the displacement of the insulation paper is driven, a flattening mechanism 6 arranged between the paper roll internal expansion mandrel 1 and the feeding mechanism is used for preliminarily flattening the discharged paper of the margin paper; an insulating paper detection unit 7 provided on the front side of the feeding mechanism detects whether or not there is a defect in the insulating paper. And after the insulating paper and the feeding of the insulating paper are correct, continuing the subsequent working procedures.

2) The feeding mechanism drives the insulation paper to move to the rotary platform 301 of the rotating mechanism 3.

3) The cutting mechanism 4 cuts the displaced insulating paper.

4) The rotating mechanism 3 operates the cut insulating paper from the material taking station to the coating station.

5) The material taking clamping jaw mechanism clamps the PTC heating core from the PTC feeding station and drives the PTC heating core to be attached to the insulating paper, so that the PTC heating core is coated by the insulating paper.

6) The laminating clamping jaw mechanism clamps the insulating paper and the PTC heating core body, so that the insulating paper and the PTC heating core body are tightly laminated, and then the PTC heating core body laminated with the insulating paper is clamped to the transfer station from the coating station.

7) The PTC heating core body which is attached to the insulating paper is clamped to the detection station from the transfer station by the transfer clamping jaw mechanism.

8) The detection device 5 detects the coating condition of the insulating paper and judges whether the coating is qualified.

9) The discharging clamping jaw mechanism clamps the PTC heating core body coated with the insulating paper to a qualified product discharging position or an unqualified product discharging position according to a detection result: and if the coating is qualified, clamping the PTC heating core body to a qualified product discharging position, carrying out next OK product assembly, otherwise, clamping the PTC heating core body to an unqualified product discharging position, and carrying out NG product rejection or corresponding treatment. At this point, a cutting and cladding process is completed.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.