Electrical property sorting equipment for varistor production
By designing an electrical sorting device including a fixing frame and a connecting frame, the problem of dust on the surface of the varistor affects measurement accuracy, the cleaning of the terminals and the stable clamping of the resistors is achieved, and the accuracy and stability of the electrical sorting are improved.
Patent Information
- Application Number
- CN202421278324.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-05
AI Technical Summary
During the production process of varistors, dust is prone to adhesion on the surface of the resistor, resulting in poor contact during electrical sorting or the resistance value changes back, affecting the measurement accuracy.
An electrical sorting device is designed, including a fixing frame and a connecting frame, and the connecting frame is provided with a socket, a cavity, a through groove, a fan blade, an electrostatic plate, a support frame and a rubber ring. With these components, the wiring terminals of the varistor can be cleaned to prevent dust from entering and the resistor clamping for stability.
The dust at the terminals of the varistor is effectively cleaned up, ensuring the accuracy of electrical sorting, and improving the stability of the resistor through clamping.
Smart Images

Figure CN222739731U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of varistor, in particular to electrical property sorting equipment for varistor production. Background Art
[0002] A varistor is a resistor whose resistance value changes with the application of external force. Its resistance value is proportional to the applied external force, and when the external force disappears, the resistance value will return to its initial state. Varistors are widely used in various sensors and switch devices, such as automotive airbags, touch screens, and human physiological signal monitoring.
[0003] However, in the current existing technology, when electrically sorting varistors, it is generally necessary to connect the terminal of the varistor to the sorting equipment to obtain accurate data and prevent external interference. However, since dust will fall and adhere to the surface of the varistor during the storage process after production, the electrical sorting will cause the varistor to have poor contact or the resistance value to change back, affecting the measurement of the resistance value and the accuracy of the sorting. Utility Model Content
[0004] The purpose of the utility model is to provide an electrical property sorting device for producing varistor to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] An electrical sorting device for producing varistors comprises a sorting box, wherein a fixing frame and a connecting frame are arranged inside the sorting box, wherein an auxiliary component for cleaning the terminal of the varistor sorting connection is arranged inside the connecting frame, wherein the auxiliary component comprises a socket arranged at the top of the connecting frame, wherein a cavity is arranged inside the connecting frame, wherein through grooves are arranged inside the fixing frames on both sides of the outer wall of the connecting frame, wherein a fan blade is arranged inside one of the through grooves, and a hole groove is arranged inside the other through groove, wherein an electrostatic plate is arranged inside the hole groove, wherein a supporting frame is arranged inside the cavity, wherein a plurality of extension rods are arranged at the bottom of the supporting frame, wherein a bottom plate is arranged at the other end of the extension rod, wherein baffles are arranged on both sides of the outer wall of the bottom plate, wherein through holes corresponding to the sockets are arranged inside the supporting frame and the bottom plate, and rubber rings are arranged in the through holes of the bottom plate.
[0007] As a preferred solution of the utility model, the fixing frame is connected to the inner wall of the sorting box by bolts, the fixing frame and the connecting frame are integrally formed, and the cavity inside the connecting frame is connected to the through grooves in the fixing frames on both sides.
[0008] As a preferred solution of the utility model, the fan blade is connected to the inner wall of the through groove on one side of the cavity by bolts, and the cavity is located between the through grooves on both sides.
[0009] As a preferred solution of the utility model, the hole groove is located in another through groove and communicated with the through groove, the electrostatic plate is located in the hole groove and is slidably connected to the inner wall of the hole groove through a slide rail, and the electrostatic plate is communicated with the hole groove.
[0010] As a preferred solution of the utility model, the support frame is located in the cavity and is connected to the inner wall of the cavity by bolts. One end of the extension rod is embedded in the support frame and connected by a spring, and the other end is connected to the base plate by bolts. The base plate can be raised and lowered together with the support frame through the extension rod.
[0011] As a preferred solution of the utility model, the rubber ring is connected to the inner wall of the through hole of the bottom plate, the baffle is connected to both sides of the bottom plate by welding, and the baffle abuts against the through slot openings on both sides of the cavity.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: in response to the problems raised in the background technology, the present application adopts an auxiliary component, by installing a fixing frame and a connecting frame in the sorting and detection box, the terminal of the varistor is extended through the jack during sorting, and a retractable bottom plate is installed in the connecting frame, and a rubber ring is installed in the through hole, so that the terminal wire of the varistor generates resistance when it is embedded, and the dust and impurities on the outside of the terminal are scraped off, and the scraped impurities are retained in the connecting frame, and the impurities can be blown to one side by the fan blades to be captured by the electrostatic plate, so that the terminal of the varistor is cleaned when it is installed, ensuring the accuracy during sorting, and the stability of the varistor can be increased by clamping the terminal of the varistor.
[0013] The utility model realizes supporting the connection terminals of the varistor when the varistor is electrically sorted, thereby improving the stability during the detection process, and can clean the impurities attached to the outside of the connection terminals, thereby ensuring the accuracy of sorting. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is the appearance structure diagram of the sorting box of the utility model;
[0015] Figure 2 This is the appearance structure diagram of the connection frame of the utility model;
[0016] Figure 3 This is a cross-sectional view of the interior of the connection frame of the utility model;
[0017] Figure 4 This is the appearance structure diagram of the support frame of the utility model.
[0018] In the figure: 1, sorting box; 2, fixing frame; 3, connecting frame; 301, jack; 302, cavity; 4, through slot; 401, fan blade; 5, hole slot; 6, electrostatic plate; 7, supporting frame; 701, extension rod; 8, bottom plate; 801, rubber ring; 9, baffle. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.
[0020] Example
[0021] See also Figure 1-4The utility model provides a technical solution: an electrical sorting device for varistor production, comprising a sorting box 1, wherein a fixing frame 2 and a connecting frame 3 are arranged inside the sorting box 1, wherein an auxiliary component for cleaning the terminal of the varistor sorting connection is arranged inside the connecting frame 3, wherein the auxiliary component comprises a jack 301 arranged at the top of the connecting frame 3, wherein the position of the jack 301 corresponds to the interface in the sorting box 1, and is used to locate the angle of the varistor terminal and the interface installation, wherein a cavity 302 is arranged inside the connecting frame 3, wherein the fixing frame 2 on both sides of the outer wall of the connecting frame 3 is provided inside A through slot 4 is provided, which is communicated with the cavity 302, so that the through slot 4 and the cavity 302 form a channel, one of the through slots 4 is provided with a fan blade 401, the fan blade 401 can generate airflow and blow the impurities in the cavity 302 to the through slot 4 on the other side, the other through slot 4 is provided with a hole slot 5, the hole slot 5 is provided with an electrostatic plate 6, the electrostatic plate 6 can be slidably installed in the hole slot 5, which is convenient for replacing and cleaning the electrostatic plate 6, the electrostatic plate 6 can adsorb the impurities close to it, so as to collect the impurities, and a support frame 7 is provided inside the cavity 302, the support frame A plurality of extension rods 701 are provided at the bottom of the support frame 7, and the extension rods 701 are embedded in the support frame 7, and the extension rods 701 are driven by springs to retract into the support frame 7, and a bottom plate 8 is provided at the other end of the extension rod 701, and the bottom plate 8 corresponds to the cavity 302, so that the cavity 302 forms a closed space to prevent external impurities from entering, and baffles 9 are provided on both sides of the outer wall of the bottom plate 8, which are used to block and close the through slots 4 on both sides of the cavity 302. In the normal state, the bottom plate 8 is close to the support frame 7 and is tightly attached, and at the same time drives the baffle 9 to cover the through slot 4 (when the bottom plate 8 slides away from the support frame 7, the baffle 9 is driven from The support frame 7 and the bottom plate 8 are both provided with through holes corresponding to the jack 301, and the through holes of the bottom plate 8 are provided with rubber rings 801. When the terminal of the varistor passes through the through holes of the support frame 7 and the bottom plate 8, resistance is generated when the terminal moves through the rubber ring 801, and impurities attached to the surface of the terminal are scraped off by the rubber ring 801 when the terminal passes through, and are retained in the cavity 302 for recovery, and the resistance drives the bottom plate 8 to separate from the support frame 7 when the terminal of the varistor is embedded.
[0022] In the sorting equipment, the varistor is placed in a small container filled with dry air or other inert gas (corresponding to the sorting box 1). When the user needs to perform electrical sorting on the varistor, the equipment will place the varistor to be tested in the working environment and apply slight pressure to it several times at appropriate time intervals. For each pressure application cycle, the varistor will produce corresponding resistance changes. (These resistance changes can be caused by factors such as the geometry of the varistor itself, material properties or working environment). By detecting the resistance changes of the varistor in each pressure application cycle, the electrical sorting equipment can calculate the resistance value of each varistor and classify the varistors according to these resistance values.
[0023] In this embodiment, all electrical components are controlled by conventional controllers.
[0024] For example, please refer to Figure 1-4 The fixing frame 2 is connected to the inner wall of the sorting box 1 by bolts, the fixing frame 2 and the connecting frame 3 are integrally formed, the cavity 302 inside the connecting frame 3 is communicated with the through slots 4 in the fixing frames 2 on both sides, the fan blade 401 is connected to the inner wall of the through slot 4 on one side of the cavity 302 by bolts, the cavity 302 is located between the through slots 4 on both sides, the hole slot 5 is located in the other through slot 4 and communicated with the through slot 4, the electrostatic plate 6 is located in the hole slot 5, and is slidably connected to the inner wall of the hole slot 5 through a slide rail, And the electrostatic plate 6 is communicated with the hole groove 5, the support frame 7 is located in the cavity 302 and is connected to the inner wall of the cavity 302 by bolts, one end of the extension rod 701 is embedded in the support frame 7 and is connected by a spring, and the other end is connected to the base plate 8 by bolts, and the base plate 8 can be raised and lowered with the support frame 7 through the extension rod 701, the rubber ring 801 is connected to the inner wall of the through hole of the base plate 8, and the baffle 9 is connected to both sides of the base plate 8 by welding, and the baffle 9 abuts against the openings of the through groove 4 on both sides of the cavity 302. When in use, first embed the terminal of the varistor into the socket 301 of the connecting frame 3, and pass through the through holes inside the supporting frame 7 and the bottom plate 8 inside the connecting frame 3. During the embedding process of the terminal, resistance is generated by the rubber ring 801 in the through hole of the bottom plate 8, driving the bottom plate 8 to move in the cavity 302 and separate from the supporting frame 7 through the embedding force, and the movement of the bottom plate 8 can drive the baffle 9 to move in the cavity 302 so that the through groove 4 is connected to the cavity 302. At the same time, the impurities on the surface of the terminal can be scraped off by the rubber ring 801, and then the fan blades 401 in the through groove 4 on one side generate airflow and blow the impurities scraped off the cavity 302 into the through groove 4 on the other side and are adsorbed and captured by the electrostatic plate 6, and the varistor is clamped and fixed by the connecting frame 3 to ensure stability during the detection process.
[0025] The working process of the utility model is as follows: when in use, the terminal of the varistor is first embedded in the jack 301 of the connecting frame 3, and passes through the through holes inside the supporting frame 7 and the bottom plate 8 inside the connecting frame 3. During the embedding process of the terminal, resistance is generated by the rubber ring 801 in the through hole of the bottom plate 8, driving the bottom plate 8 to move in the cavity 302 and separate from the supporting frame 7 through the embedding force, and the movement of the bottom plate 8 can drive the baffle 9 to move in the cavity 302 so that the through groove 4 is connected to the cavity 302. At the same time, impurities on the surface of the terminal can be scraped off by the rubber ring 801, and then airflow is generated by the fan blades 401 in the through groove 4 on one side, and the impurities scraped off in the cavity 302 are blown into the through groove 4 on the other side and are adsorbed and captured by the electrostatic plate 6, and the varistor is clamped and fixed by the connecting frame 3 to ensure stability during the detection process. The utility model realizes supporting the connection terminals of the varistor when the varistor is electrically sorted, thereby improving the stability during the detection process, and can clean the impurities attached to the outside of the connection terminals, thereby ensuring the accuracy of sorting.
[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An electrical property sorting device for producing varistor, comprising a sorting box (1), wherein a fixing frame (2) and a connection frame (3) are arranged inside the sorting box (1), wherein an auxiliary component for sorting and cleaning the connection terminals of the varistor is arranged inside the connection frame (3), characterized in that: The auxiliary component comprises a socket (301) arranged at the top of the connection frame (3); a cavity (302) is arranged inside the connection frame (3); through slots (4) are arranged inside the fixing frames (2) on both sides of the outer wall of the connection frame (3); a fan blade (401) is arranged inside one of the through slots (4); a hole slot (5) is arranged inside the other through slot (4); an electrostatic plate (6) is arranged inside the hole slot (5); a support frame (7) is arranged inside the cavity (302); a plurality of extension rods (701) are arranged at the bottom of the support frame (7); a bottom plate (8) is arranged at the other end of the extension rod (701); baffles (9) are arranged on both sides of the outer wall of the bottom plate (8); through holes corresponding to the socket (301) are arranged inside the support frame (7) and the bottom plate (8); and a rubber ring (801) is arranged in the through hole of the bottom plate (8).
2. The electrical property sorting equipment for producing varistor according to claim 1, characterized in that: The fixing frame (2) is connected to the inner wall of the sorting box (1) by means of bolts; the fixing frame (2) and the connecting frame (3) are integrally formed; and the cavity (302) inside the connecting frame (3) is in communication with the through slots (4) in the fixing frames (2) on both sides.
3. The electrical property sorting equipment for producing varistor according to claim 1, characterized in that: The fan blade (401) is connected to the inner wall of the through slot (4) on one side of the cavity (302) by means of bolts, and the cavity (302) is located between the through slots (4) on both sides.
4. The electrical property sorting equipment for producing varistor according to claim 1, characterized in that: The hole groove (5) is located in another through groove (4) and communicates with the through groove (4); the electrostatic plate (6) is located in the hole groove (5) and is slidably connected to the inner wall of the hole groove (5) through a slide rail; and the electrostatic plate (6) is communicated with the hole groove (5).
5. The electrical property sorting equipment for producing varistor according to claim 1, characterized in that: The support frame (7) is located in the cavity (302) and is connected to the inner wall of the cavity (302) by bolts; one end of the extension rod (701) is embedded in the support frame (7) and is connected by a spring, and the other end is connected to the bottom plate (8) by bolts; the bottom plate (8) and the support frame (7) can be raised and lowered by the extension rod (701).
6. The electrical property sorting equipment for producing varistor according to claim 1, characterized in that: The rubber ring (801) is connected to the inner wall of the through hole of the bottom plate (8), the baffle plate (9) is connected to both sides of the bottom plate (8) by welding, and the baffle plate (9) abuts against the openings of the through slot (4) on both sides of the cavity (302).