Ceramic heating sheet insulation voltage withstanding testing machine

Abstract

The utility model discloses a kind of ceramic heating sheet insulation withstand voltage testing machines, including organism, test tooling;Test tooling includes seat body and insulation withstand voltage tester, seat body has test platform, insulation withstand voltage tester has test module, test module includes insulating plate, pressing plate, output end copper plate, loop end copper plate, output end conductive cotton, loop end conductive cotton and lifting device, output end copper plate, loop end copper plate are located in insulating plate, output end copper plate is equipped with recess, pressing plate is equipped with two, output end conductive cotton, loop end conductive cotton are respectively located in the lower end of two pressing plates;Thus, using the one end of workpiece is placed on recess, the other end is set on loop end copper plate, cooperate pressing plate to move down to make corresponding side copper plate, conductive cotton will the two ends of workpiece periphery package after insulation withstand voltage test, ensure the test effect of workpiece, it is favorable to the defective product detection of workpiece, thereby ensure the quality stability of subsequent product, usability is good, and the scope of application is wide.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure test equipment field technology especially is a kind of ceramic heating sheet insulation withstand voltage testing machine. BACKGROUND

[0002] Ceramic heating sheet is a new generation of high efficiency, green and environmental protection heating device, it has the advantages of uniform heating, good insulation performance, good chemical stability, strong acid resistance, strong alkali resistance and pressure resistance, and is widely used in household appliances, for example: electric blanket, multi stove, bread oven, toaster etc.;Usually, the main structure of ceramic heating sheet includes ceramic sheet and one or more groups of heating wires;Before being made into porcelain, the ceramic sheet is composed of two ceramic green bodies, the first ceramic green body is printed with heating wires, and the second ceramic green body covers the heating wires on the first ceramic green body, the heating wires are placed between the two ceramic green bodies, and the two ceramic green bodies are pressed into one body by isostatic pressing process, and then the ceramic green bodies are sintered into ceramic by high temperature, and the heating wires heat up inside the ceramic sheet when powered on.

[0003] At present, ceramic heating sheet needs to be tested during production, and the testing method is mostly to use insulation testing machine for testing, but the existing insulation testing machine has poor structure design, and the ceramic heating sheet is mostly single-sided or double-sided attached to the insulation testing machine and connected with the insulation testing machine, so that there is certain error in the testing process of ceramic heating sheet, leading to that part of defective products cannot be detected in time, thereby causing subsequent products to be defective, product quality is difficult to guarantee, usability is poor, and application range is small.

[0004] Therefore, it is necessary to study a new technical solution to solve the above problems. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a kind of ceramic heating sheet insulation withstand voltage testing machine, one end of workpiece is placed on the groove, the other end is set on the copper plate of loop end, cooperates with the descending of pressing plate to make the copper plate of corresponding side, conductive cotton to be wrapped around the two ends of workpiece after the insulation withstand voltage testing of corresponding side, guarantees the testing effect of workpiece, is favorable to the detection of defective products of workpiece, thereby guaranteeing the quality stability of subsequent product, usability is good, and application range is wide.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a kind of ceramic heating sheet insulation withstand voltage testing machine, including organism and test tool being set on machine body;Wherein: the test tool includes seat body and insulation withstand voltage tester, the seat body has test platform, the insulation withstand voltage tester has test module, the test module is set on test platform, the test module includes insulating plate, pressing plate, output end copper plate, loop end copper plate, output end conductive cotton, loop end conductive cotton and lifting device, the insulating plate is set on the end surface of test platform, the output end copper plate, loop end copper plate are set on insulating plate with front and rear spacing, recess is provided on the output end copper plate, for the workpiece is placed and positioned, the pressing plate is provided with two and is correspondingly arranged with front and rear spacing of output end copper plate, loop end copper plate, output end conductive cotton, loop end conductive cotton is respectively arranged in the lower end of two pressing plates, the lifting device is provided with two and is respectively driven and connected in the upper end of two pressing plates, and the output end copper plate, loop end copper plate, output end conductive cotton, loop end conductive cotton are respectively connected to insulation withstand voltage tester.

[0008] As a preferred scheme, the test platform is provided with two and is arranged with left and right spacing on the seat body, the insulating plate is provided with two and is respectively arranged on two test platforms, and correspondingly, the pressing plate is provided with four, wherein two pressing plates are arranged with front and rear spacing corresponding to one insulating plate, and the other two pressing plates are arranged with front and rear spacing corresponding to the other insulating plate, and the lifting device is provided with four and is respectively driven and connected to the four pressing plates.

[0009] As a preferred scheme, the output end copper plate and the loop end copper plate are provided with two or more and are respectively arranged with left and right spacing on the insulating plate, and correspondingly, the output end conductive cotton and the loop end conductive cotton are provided with two or more and are respectively arranged with left and right spacing on the lower end of the corresponding side pressing plate.

[0010] As a preferred scheme, the upper end of the insulating plate is provided with a fixing frame, the fixing frame is provided with two openings arranged with front and rear spacing corresponding to the output end copper plate and the loop end copper plate, and the loop end copper plate and the output end copper plate are respectively exposed from the opening on the corresponding side.

[0011] As a preferred scheme, the fixing frame is detachably arranged on the insulating plate.

[0012] As a preferred scheme, the fixing frame is provided with an operation port for facilitating taking and placing.

[0013] As a preferred scheme, the lower end of the pressing plate is provided with a partition plate for separating the corresponding conductive cotton.

[0014] As a preferred scheme, the upper end of the pressing plate is provided with a protruding column arranged upwardly, and the upper end of the protruding column extends out of the seat body.

[0015] As a preferred solution, a control mechanism is further included, which has a display screen for displaying test results and an alarm device for reminding of test failure, and is connected to the insulation withstand tester and the lifting device respectively.

[0016] The utility model discloses have obvious advantages and beneficial effects compared with prior art, specifically speaking, from the above technical scheme, it is mainly through the design of each component, and the one end of workpiece is placed on the recess, and the other end is arranged on the copper plate of loop end, and the copper plate and the conductive cotton of corresponding side are wrapped around the two ends of workpiece by the descending of pressing plate to carry out insulation withstand test, guarantee the test effect of workpiece, and the defective product of workpiece is detected, thereby guaranteeing the quality stability of subsequent product, and the usability is good, and the scope of application is wide.

[0017] Secondly, the setting of the fixing frame is favorable for the installation and positioning of the output end copper plate and the loop end copper plate on the insulation plate, and the detachable setting of the fixing frame facilitates the replacement and maintenance of the output end copper plate and the loop end copper plate on the insulation plate, and the setting of the operation port is favorable for the dismounting operation of the fixing frame.

[0018] In addition, the setting of the partition plate avoids the mutual influence of adjacent conductive cotton, guarantees the test quality of workpiece, and has high practicability, and meanwhile, the setting of the convex column is favorable for the stability during the lifting and moving of the pressing plate.

[0019] To make the structure features and functions of the utility model clearer, the utility model will be described in detail below by combining with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is the three-dimensional schematic diagram of the embodiment of the utility model;

[0021] Fig. 2 It is the three-dimensional schematic diagram of the test tool of the embodiment of the utility model;

[0022] Fig. 3 It is the exploded view of the test tool of the embodiment of the utility model.

[0023] BRIEF DESCRIPTION OF DRAWINGS

[0024] 10, machine body 11, control mechanism

[0025] 12, display screen 13, alarm device

[0026] 20, test tool 21, seat body

[0027] 211, test platform 212, upper plate part

[0028] 213, lower plate part 214, intermediate plate part

[0029] 22, insulation withstand voltage tester 23, test module

[0030] 231, insulation plate 232, pressing plate

[0031] 233, output end copper plate 234, loop end copper plate

[0032] 235, output end conductive cotton 236, loop end conductive cotton

[0033] 237, lifting device 238, groove

[0034] 239, partition plate 24, fixing frame

[0035] 241, opening 242, operation port

[0036] 25, convex column. DETAILED DESCRIPTION

[0037] Please refer to Figs. 1 to 3 The specific structure of the embodiment of the utility model is shown.

[0038] A ceramic heating sheet insulation withstand voltage testing machine, comprising a machine body 10 and a testing tool 20 arranged on the machine body 10, wherein:

[0039] The test tool 20 comprises a seat body 21 and an insulation voltage tester 22, the seat body 21 has a test platform 211, the insulation voltage tester 22 has a test module 23, the test module 23 is arranged on the test platform 211, the test module 23 comprises an insulation plate 231, a pressing plate 232, an output copper plate 233, a loop copper plate 234, output conductive cotton 235, loop conductive cotton 236 and a lifting device 237, the insulation plate 231 is arranged on the end face of the test platform 211, the output copper plate 233 and the loop copper plate 234 are arranged on the insulation plate 231 in front and back interval, the output copper plate 233 is provided with a groove 238 for placing and positioning the workpiece, the pressing plate 232 is provided with two and arranged in front and back interval corresponding to the output copper plate and the loop copper plate and located above the insulation plate 231, the output conductive cotton 235 and the loop conductive cotton 236 are arranged at the lower end of the two pressing plates 232 respectively, the lifting device 237 is provided with two and respectively driven and connected to the upper end of the two pressing plates 232, the output copper plate 233, the loop copper plate 234, the output conductive cotton 235 and the loop conductive cotton 236 are respectively connected to the insulation voltage tester 22; in this way, through the design of each component, the two ends of the workpiece are placed and positioned on the two grooves, and the copper plate and the conductive cotton on the corresponding side are wrapped around the workpiece after the pressing plate moves down, so as to perform insulation voltage test, which ensures the test effect of the workpiece, is conducive to the detection of defective workpieces, thereby ensuring the quality stability of subsequent products, good usability, wide application range.

[0040] In the embodiment, the test platform 211 is provided with two and arranged in left and right interval on the seat body 21, the insulation plate 231 is provided with two and arranged on the two test platforms 211 respectively, correspondingly, the pressing plate 232 is provided with four, two of which are arranged in front and back interval corresponding to one of the insulation plates 231, and the other two are arranged in front and back interval corresponding to the other insulation plate 231, and the lifting device 237 is provided with four and respectively driven and connected to the four pressing plates 232;

[0041] Specifically, the seat body 21 comprises an upper plate portion 212, a lower plate portion 213 and an intermediate plate portion 214 arranged between the upper plate portion 212 and the lower plate portion 213, two test platforms 211 are arranged on the left side and the right side of the upper end of the lower plate portion 213 respectively, and the output end copper plate 233 and the loop end copper plate 234 are arranged on the insulating plate 231 in more than two and are arranged in a left-right interval mode respectively, and correspondingly, the output end conductive cotton 235 and the loop end conductive cotton 236 are arranged in more than two and are arranged in a left-right interval mode respectively below the lower end of the pressing plate 232 on the corresponding side, preferably, the output end copper plate 233, the loop end copper plate 234, the output end conductive cotton 235 and the loop end conductive cotton 236 are all provided with six, so that the workpiece batch testing is realized, and the workpiece testing efficiency is improved.

[0042] In addition, the upper end of the insulating plate 231 is provided with a fixing frame 24, the fixing frame 24 is provided with two front-rear interval arranged openings 241 corresponding to the output end copper plate 233 and the loop end copper plate 234, the loop end copper plate 234 and the output end copper plate 233 are exposed from the openings 241 on the corresponding side respectively, the fixing frame 24 is detachably arranged on the insulating plate 231, and the fixing frame 24 is provided with an operation opening 242 for facilitating taking and placing, so that the arrangement of the fixing frame is favorable for the installation and positioning of the output end copper plate and the loop end copper plate on the insulating plate, and the detachable arrangement of the fixing frame is convenient for subsequent replacement and maintenance of the output end copper plate and the loop end copper plate on the insulating plate, and the arrangement of the operation opening is favorable for the dismounting operation of the fixing frame.

[0043] In addition, the lower end of the pressing plate 232 is provided with a partition plate 239 for separating the corresponding conductive cotton, and the upper end of the pressing plate 232 is provided with a protruding column 25 arranged in an upward extending mode, and the upper end of the protruding column 25 extends out of the seat body 21, so that the arrangement of the partition plate avoids the mutual influence phenomenon of the adjacent conductive cotton, ensures the testing quality of the workpiece, and has strong practicability, and meanwhile, the arrangement of the protruding column is favorable for the stability of the pressing plate during the lifting movement.

[0044] Further comprising a control mechanism 11, the control mechanism 11 has a display screen 12 for displaying test results and an alarm device 13 for reminding that the test is poor, and the control mechanism 11 is connected to the insulating voltage withstand tester 22 and the lifting device 237 respectively.

[0045] The design emphasis of the utility model lies in that mainly through the design of various components, one end of the workpiece is placed on the groove, the other end is arranged on the loop end copper plate, the copper plate and the conductive cotton on the corresponding side are wrapped around the two ends of the workpiece after the pressing plate moves downward, and then the insulating voltage withstand test is carried out, so that the testing effect of the workpiece is ensured, the defective products of the workpiece are detected, the quality stability of the subsequent products is ensured, the usability is good, and the application range is wide.

[0046] Secondly, the setting of the fixing frame is favorable for the installation and positioning of the output copper plate and the loop copper plate on the insulating plate, and the detachable setting of the fixing frame facilitates the replacement and maintenance of the output copper plate and the loop copper plate on the insulating plate, and the setting of the operation port is favorable for the dismounting operation of the fixing frame;

[0047] In addition, the setting of the partition plate avoids the mutual influence of the adjacent conductive cotton, ensures the test quality of the workpiece, and has high practicability, and the setting of the convex column is favorable for the stability of the lifting movement of the pressing plate.

[0048] The above is only a preferred embodiment of the present application, and does not limit the technical scope of the present application, so any slight modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still belongs to the technical scope of the present application.

Claims

1. A ceramic heating element insulation withstand voltage tester, characterized in that: The device includes an organism and a testing fixture mounted on the organism. The testing fixture includes a base and an insulation withstand voltage tester. The base has a testing platform, and the insulation withstand voltage tester has a testing module. The testing module is mounted on the testing platform and includes an insulating plate, pressure plates, an output copper plate, a return copper plate, an output conductive cotton, a return conductive cotton, and a lifting device. The insulating plate is mounted on the end face of the testing platform. The output copper plate and the return copper plate are spaced apart on the insulating plate. The output copper plate has a groove for placing and positioning the workpiece. Two pressure plates are arranged corresponding to the front and rear spacing of the output copper plate and the return copper plate. The output conductive cotton and the return conductive cotton are respectively mounted on the lower ends of the two pressure plates. Two lifting devices are respectively driven and connected to the upper ends of the two pressure plates. The output copper plate, the return copper plate, the output conductive cotton, and the return conductive cotton are respectively connected to the insulation withstand voltage tester.

2. The ceramic heating element insulation withstand voltage tester according to claim 1, characterized in that: The test platform is provided in two positions and arranged on the base with a left-right spacing. The insulating plate is provided in two positions and is respectively set on the two test platforms. Correspondingly, the pressure plate is provided in four positions, with two pressure plates corresponding to one of the insulating plates and arranged with a front-back spacing, and the other two pressure plates corresponding to the other insulating plate and arranged with a front-back spacing. The lifting device is provided in four positions and is driven and connected to the four pressure plates respectively.

3. The ceramic heating element insulation withstand voltage tester according to claim 1, characterized in that: The output copper plate and the circuit copper plate are provided in two or more and are arranged on the insulating plate with left and right spacing. Correspondingly, the output conductive cotton and the circuit conductive cotton are provided in two or more and are arranged on the lower end of the pressure plate on the corresponding side with left and right spacing.

4. The ceramic heating element insulation withstand voltage tester according to claim 1, characterized in that: The upper end of the insulating plate is provided with a fixing frame, and the fixing frame has two openings arranged in a front-to-back spacing corresponding to the output end copper plate and the circuit end copper plate. The circuit end copper plate and the output end copper plate are exposed from the openings on the corresponding sides.

5. The ceramic heating element insulation withstand voltage tester according to claim 4, characterized in that: The mounting bracket is detachably mounted on the insulating plate.

6. The ceramic heating element insulation withstand voltage tester according to claim 5, characterized in that: The mounting bracket is provided with an operating port for easy access.

7. The ceramic heating element insulation withstand voltage tester according to claim 1, characterized in that: The lower end of the pressure plate is provided with a partition for separating the corresponding conductive cotton.

8. The ceramic heating element insulation withstand voltage tester according to claim 1, characterized in that: The upper end of the pressure plate is provided with an upwardly extending protrusion, the upper end of which extends out of the base body.

9. The ceramic heating element insulation withstand voltage tester according to claim 1, characterized in that: It also includes a control mechanism, which has a display screen for displaying test results and an alarm device for alerting when a test fails. The control mechanism is connected to the insulation withstand voltage tester and the lifting device.

Images