PTC (Positive Temperature Coefficient) thermal sensitive ceramic withstand voltage test equipment

Abstract

The utility model discloses a PTC (Positive Temperature Coefficient) thermal sensitive ceramic withstand voltage test device, which relates to the technical field of test devices, and comprises a mounting plate, the upper surface of the mounting plate is provided with a placing groove for placing PTC thermal sensitive ceramic, and the bottom surface of the mounting plate is provided with a receiving and plugging assembly for plugging and opening the placing groove. A test moving plate is arranged above the mounting plate, the side surface of the mounting plate is slidably connected with a support frame, the side surface of the mounting plate is fixedly connected with a connecting block, and one side of the connecting block is fixedly connected with a side hydraulic rod for driving the connecting block. According to the utility model, through the cooperative use of the first bearing plate, the second bearing plate, the first rack, the second rack and the transmission gear, multiple groups of PTC thermal sensitive ceramics can be separated from the mounting plate at the same time to complete the discharging work after the test is completed, so that the working efficiency is improved, and the synchronous feeding work of the multiple groups of PTC thermal sensitive ceramics is also facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to test equipment technical field, concretely relates to a PTC thermistor voltage withstand test equipment. BACKGROUND

[0002] PTC element is the key element of manufacturing PTC electric heating appliance, has good quick start, temperature self -control, stable heating and intrinsic safety characteristic, thus obtains the wide application in the aspects such as domestic air conditioner auxiliary heater, washing machine drying heater, material drying heater, food processing heater, electric water heater etc. In the production of PTC thermistor, need to carry out a series of processing test processes such as burning penetration, voltage withstand test, resistance test.

[0003] And in the process of voltage withstand test to PTC thermistor, especially in the process of manual detection, need to manually carry out discharging, too troublesome, influence the overall test efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a PTC thermistor voltage withstand test equipment to solve the problems in the background art.

[0005] To solve the above technical problem, the technical scheme adopted by the utility model is:

[0006] A PTC thermistor voltage withstand test equipment, including the mounting panel, the upper surface of mounting panel is seted up and placed the slot for placing PTC thermistor, the bottom of mounting panel is provided with the receiving plugging component for plugging and opening the slot.

[0007] The upper surface of the test moving plate is provided with a sliding hole, and the inner wall of the sliding hole is movably connected with a test needle.

[0008] The upper surface of the test moving plate is provided with a sliding hole, and the inner wall of the sliding hole is movably connected with a test needle.

[0009] The further improvement of the technical scheme of the utility model is that one side of the supporting frame is provided with a guide sliding groove for guiding the mounting plate, and the inner wall of the guide sliding groove is slidably connected with one side of the mounting plate.

[0010] The further improvement in the technical scheme of the utility model lies in that: the receiving and plugging assembly comprises a first receiving plate and a second receiving plate, the outer walls of the first receiving plate and the second receiving plate are movably sleeved with a limiting guide frame, the limiting guide frame is fixedly connected with the bottom surface of the mounting plate, one end of the second receiving plate is fixedly connected with a second rack, one end of the first receiving plate is fixedly connected with a first rack, the first rack is engaged with a transmission gear, the side, away from the first rack, of the transmission gear is engaged with the second rack, and the transmission gear is rotationally connected with the bottom surface of the mounting plate.

[0011] The further improvement in the technical scheme of the utility model lies in that: one end of the second rack is fixedly connected with a material discharging hydraulic rod on one side thereof through a connecting rod.

[0012] The further improvement in the technical scheme of the utility model lies in that: the outer wall of the test needle close to the top end is sleeved with a buffer spring, and the bottom surface of the buffer spring is fixedly connected with the upper surface of the test moving plate.

[0013] The further improvement in the technical scheme of the utility model lies in that: the upper surface of the test moving plate is fixedly connected with a test hydraulic rod through an auxiliary frame.

[0014] Thanks to the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0015] 1. The PTC thermosensitive ceramic voltage resistance test equipment provided by the utility model can simultaneously complete the material discharging work from the mounting plate after a plurality of PTC thermosensitive ceramics are tested, improves the work efficiency, and also facilitates the synchronous feeding work of the plurality of PTC thermosensitive ceramics.

[0016] 2. The PTC thermosensitive ceramic voltage resistance test equipment provided by the utility model utilizes the guiding and limiting work of the limiting guide frame on the first receiving plate and the second receiving plate, so that the first receiving plate and the second receiving plate can complete the receiving action on the PTC thermosensitive ceramics after the PTC thermosensitive ceramics are fed, can facilitate the subsequent material discharging work under the condition of ensuring the receiving stability, and utilize the cooperation of the first rack, the second rack and the transmission gear, so that the second receiving plate and the first receiving plate can realize the synchronous movement effect, so that the PTC thermosensitive ceramics will not be deflected in the falling process, and then facilitate the transportation work after the material is discharged. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a test moving plate structural schematic view of the utility model;

[0019] Figure 3 It is the bottom view structural schematic diagram of the utility model.

[0020] Figure 4 It is the A place structure amplification schematic diagram of the utility model.

[0021] In the figure: 1, mounting plate; 2, support frame; 3, guide sliding slot; 4, connecting block; 5, side hydraulic rod; 6, test moving plate; 7, test needle; 8, buffer spring; 9, test hydraulic rod; 10, placing groove; 11, first receiving plate; 12, second receiving plate; 13, limiting guide frame; 14, first rack; 15, discharging hydraulic rod; 16, transmission gear; 17, second rack. DETAILED DESCRIPTION

[0022] In the description of the utility model, it also needs to be explained that unless there are explicit provisions and limitations, the terms "set", "mount", "connect" and "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] The utility model will be further described in detail in combination with examples as follows:

[0024] Example 1

[0025] As Figures 1-4 Indicated, the utility model provides a kind of PTC thermosensitive ceramic voltage resistance test equipment, including mounting plate 1, the upper surface of mounting plate 1 is set with the placing groove 10 for placing PTC thermosensitive ceramic, the bottom surface of mounting plate 1 is provided with receiving plugging component for plugging and opening placing groove 10.

[0026] The upper portion of mounting plate 1 is provided with test moving plate 6, the side surface of mounting plate 1 is slidably connected with support frame 2, the side surface of mounting plate 1 is fixedly connected with connecting block 4, one side of connecting block 4 is fixedly connected with side hydraulic rod 5 for driving.

[0027] The upper surface of test moving plate 6 is set with sliding hole, and test needle 7 is movably inserted into the inner wall of sliding hole. Test moving plate 6 is divided into two groups, and is located above and below mounting plate 1 respectively, and then the test needle 7 thereon is also divided into upper test needle and lower test needle.

[0028] The side surface of support frame 2 is set with guide sliding slot 3 for guiding mounting plate 1, and the inner wall of guide sliding slot 3 is slidably connected with one side of mounting plate 1.

[0029] The receiving and blocking assembly comprises a first receiving plate 11 and a second receiving plate 12, the outer wall of the first receiving plate 11 and the second receiving plate 12 are movably sleeved with a limiting guide frame 13, the limiting guide frame 13 is fixedly connected with the bottom surface of the mounting plate 1, one end of the second receiving plate 12 is fixedly connected with a second rack 17, one end of the first receiving plate 11 is fixedly connected with a first rack 14, the first rack 14 is engaged with a transmission gear 16, the side, away from the first rack 14, of the transmission gear 16 is engaged with the second rack 17, and the transmission gear 16 is rotatably connected with the bottom surface of the mounting plate 1.

[0030] When the PTC thermosensitive ceramic is fed, a plurality of groups of suction disc structures arranged at equal intervals can be adopted to synchronously feed a plurality of groups of PTC thermosensitive ceramics.

[0031] A conveying device can be arranged below the mounting plate 1 to transfer the PTC thermosensitive ceramic after testing.

[0032] Embodiment 2

[0033] As shown in the drawings, Figures 1-4 On the basis of embodiment 1, the utility model provides a technical scheme: preferably, one end of the second rack 17 is fixedly connected with a material discharging hydraulic rod 15 located on one side thereof through a connecting rod.

[0034] The outer wall close to the top end of the test needle 7 is sleeved with a buffer spring 8, the bottom surface of the buffer spring 8 is fixedly connected with the upper surface of the test moving plate 6, and the upper surface of the test moving plate 6 is fixedly connected with a test hydraulic rod 9 through an auxiliary frame.

[0035] The working principle of the PTC thermosensitive ceramic voltage resistance test equipment will be described in detail below.

[0036] As shown in the drawings, Figures 1-4 When it is necessary to test the PTC thermosensitive ceramic, the PTC thermosensitive ceramic is placed in the placing groove 10, then the side hydraulic rod 5 is started to push the connecting block 4 to drive the mounting plate 1 to slide on the inner wall of the guide sliding groove 3 to the lower side of the test moving plate 6, when the mounting plate 1 is moved to the position, the PTC thermosensitive ceramic is just in the butt joint state with the bottom end of the test needle 7.

[0037] Then, the test hydraulic rod 9 is started to push the test moving plate 6 to drive the test needle 7 to move downward, when the bottom end of the test needle 7 contacts the surface of the PTC thermosensitive ceramic, the test needle 7 is forced to move upward and stretch the buffer spring 8, and the buffer spring 8 is buffered by the deformation force, when the test needle 7 is closely attached to the PTC thermosensitive ceramic, the test work is started, and after the test is completed, the test hydraulic rod 9 pulls the test moving plate 6 to start slow upward movement and reset.

[0038] When the PTC thermosensitive ceramic test is completed, the discharge hydraulic rod 15 is started to push the second rack 17 to start moving forward, at this time the second rack 17 will drive the second receiving plate 12 to start moving forward, and when the second rack 17 moves forward, it will drive the transmission gear 16 to start counterclockwise rotation, and the transmission gear 16 will drive the first rack 14 to start moving backward relatively, at this time the first receiving plate 11 and the second receiving plate 12 gradually move away from each other, and the blocking state of the placement groove 10 is released, at this time the PTC thermosensitive ceramic will be discharged from the placement groove 10, and then the discharge hydraulic rod 15 pulls the second rack 17 to reset, at this time the first receiving plate 11 and the second receiving plate 12 are reset, then the side hydraulic rod 5 pulls the mounting plate 1 to reset, and a new group of PTC thermosensitive ceramics can be placed for subsequent test work.

[0039] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element. The above general description of the application has been described in sufficient detail to provide a general understanding of the application. Further modifications or improvements to the application can be apparent to those skilled in the art, without departing from the scope of the application. Therefore, the above description is not intended to limit the application, but to enable the present application to be practiced.

Claims

1. A PTC thermistor ceramic withstand voltage testing device, comprising a mounting plate (1), characterized in that: The upper surface of the mounting plate (1) is provided with a placement groove (10) for placing PTC thermistor ceramics, and the bottom surface of the mounting plate (1) is provided with a receiving and sealing component for sealing and opening the placement groove (10). A test moving plate (6) is provided above the mounting plate (1), a support frame (2) is slidably connected to the side of the mounting plate (1), a connecting block (4) is fixedly connected to the side of the mounting plate (1), and a side hydraulic rod (5) for driving the connecting block (4) is fixedly connected to one side of the connecting block (4). The upper surface of the test moving plate (6) is provided with a sliding hole, and a test pin (7) is movably inserted into the inner wall of the sliding hole.

2. The PTC thermistor ceramic withstand voltage testing device according to claim 1, characterized in that: The support frame (2) has a guide groove (3) on one side for guiding the mounting plate (1), and the inner wall of the guide groove (3) is slidably connected to one side of the mounting plate (1).

3. The PTC thermistor ceramic withstand voltage testing device according to claim 1, characterized in that: The receiving and sealing assembly includes a first receiving plate (11) and a second receiving plate (12). The outer walls of the first receiving plate (11) and the second receiving plate (12) are movably fitted with a limiting guide frame (13). The limiting guide frame (13) is fixedly connected to the bottom surface of the mounting plate (1). A second rack (17) is fixedly connected to one end of the second receiving plate (12). A first rack (14) is fixedly connected to one end of the first receiving plate (11). The first rack (14) meshes with a transmission gear (16). The side of the transmission gear (16) away from the first rack (14) meshes with the second rack (17). The transmission gear (16) is rotatably connected to the bottom surface of the mounting plate (1).

4. The PTC thermistor ceramic withstand voltage testing device according to claim 3, characterized in that: One end of the second rack (17) is fixedly connected to a discharge hydraulic rod (15) located on one side of it via a connecting rod.

5. The PTC thermistor ceramic withstand voltage testing device according to claim 1, characterized in that: A buffer spring (8) is sleeved on the outer wall near the top of the test needle (7), and the bottom surface of the buffer spring (8) is fixedly connected to the upper surface of the test moving plate (6).

6. The PTC thermistor ceramic withstand voltage testing device according to claim 1, characterized in that: The upper surface of the test moving plate (6) is fixedly connected to the test hydraulic rod (9) via an auxiliary frame.

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