Low-sensitive resistor forming powder cleaning device

By designing a cleaning device that utilizes an eccentric wheel-driven vibrating screen and brush cleaning, the problem of removing impurities from low-resistivity molding powder was solved, thereby improving powder purity and product quality.

CN223717671UActive Publication Date: 2025-12-26GUANGDONG BIKE ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520003660.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-12-26
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

Existing technologies lack effective devices to remove impurities from low-resistivity molding powders, which leads to impurities entering processing equipment and reducing product quality and performance.

Method used

A low-resistivity molding powder cleaning device was designed, comprising a cleaning box, baffle, electric push rod, brush, motor, eccentric wheel, guide rod, compression spring, movable frame and filter screen. The eccentric wheel drives the movable frame to vibrate and screen impurities, and the brush cleans the mesh, thereby achieving effective filtration and cleaning of impurities.

Benefits of technology

It improves the purity of low-resistivity molding powder, ensures product yield and quality, and prevents mesh clogging from affecting the cleaning effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-sensitive resistor forming powder cleaning device, which belongs to the field of cleaning devices and comprises a cleaning box and an arranged cleaning mechanism, after low-sensitive resistor forming powder is fed into the cleaning box through a feed port, the low-sensitive resistor forming powder falls into the top surface of a filter screen mounted in a frame of a movable frame in the cleaning box, and at the moment, the low-sensitive resistor forming powder falls into the top surface of the filter screen. The motor drives the output end to drive the rotating shaft to rotate through the rotating rod, the rotating shaft drives the eccentric wheels at the two ends to rotate, after the eccentric wheels continuously push the movable frame upwards, the movable frame rapidly resets downwards under the elastic effect of the compression spring, and the operation is repeated, so that the movable frame continuously vibrates after moving up and down; according to the low-sensitivity resistor forming powder vibrating device, the vibrating screen is arranged on the top face of the vibrating screen, impurities carried in the low-sensitivity resistor forming powder are filtered, screened and cleaned through the filter screen in the vibrating process, the impurities are screened and filtered on the top face of the filter screen, the low-sensitivity resistor forming powder is discharged through the discharging port, and therefore the purpose of effectively cleaning the impurities in the low-sensitivity resistor forming powder can be achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cleaning device, especially a low sensitivity resistance forming powder cleaning device. BACKGROUND

[0002] Low sensitivity resistance forming powder is a basic material for manufacturing low sensitivity resistance (a kind of electronic component), usually by the specific metal oxide (such as zinc oxide ZnO, barium titanate BaTiO3 etc.) powder after fine processing and processing. These powders have good resistance characteristics and stable chemical properties, and by specific forming process (such as die stamping forming), can be pressed into the resistance component with specific shape and size. These components play the role of limiting current, voltage division, protection in circuit, and due to its low sensitivity characteristics, the response to voltage or current change is relatively stable, suitable for various electronic equipment.

[0003] In the prior art, the current low sensitivity resistance forming powder will mix impurities due to various reasons in the preparation process, in order to avoid these impurities to reduce the purity of powder and the yield and quality of product, the impurities existing in low sensitivity resistance forming powder need to be cleaned, however, the existing low sensitivity resistance forming powder preparation lacks the device for effectively cleaning the impurities carried in low sensitivity resistance forming powder, leading to that in the preparation process, impurities will enter into processing equipment along with low sensitivity resistance forming powder, thereby not only reducing the quality of product, but also affecting the performance of product. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of low sensitivity resistance forming powder cleaning device, can effectively solve the problems in the background art.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a low -sensitive resistance forming powder cleaning device, including the cleaning box, four corner end portions of the bottom surface of cleaning box are fixedly connected with support leg respectively, and the top surface of cleaning box is fixedly connected with feeding port, the bottom surface of cleaning box is also fixedly connected with discharge port, the inside of cleaning box is equipped with cleaning mechanism, and cleaning mechanism includes baffle, electric push rod, cleaning plate, brush, motor, eccentric wheel, guide rod, compression spring, movable frame and arch, the baffle is fixedly connected between the fixed strip of cleaning box front end symmetry through both sides' insertion strip, and electric push rod is fixedly connected on the back wall of cleaning box, the cleaning plate is fixedly connected on the output of electric push rod, and the brush is fixedly connected on the bottom surface of cleaning plate, the eccentric wheel is fixedly connected on both ends of rotary shaft, and the eccentric wheel is movably connected in cleaning box through the rotating rod on the outer wall, the motor is fixedly connected on one side of cleaning box outer wall, and the output of motor is fixedly connected with rotating rod, the top surface of the inside fixed frame of cleaning box is fixedly connected with guide rod respectively in four corner ends, and movable frame is movably connected with guide rod through the guide hole in four corner ends of top surface, the compression spring is sleeved on the outside of guide rod and is fixedly connected between fixed frame and movable frame, and filter screen is fixedly connected in the inside of movable frame.

[0007] Preferably, the front end wall of the cleaning box is provided with a cleaning opening, and the front end wall of the cleaning box is fixedly installed with fixed strips on the left and right sides of the cleaning opening, the inner side wall of the fixed strip is provided with a slot, and the left and right side walls of the baffle are fixedly installed with insertion strips and inserted into the slot, and the top surface of the baffle is further fixedly installed with a handle.

[0008] Preferably, the left and right sides of the inner wall of the cleaning box are respectively provided with a group of symmetrical sliding grooves, and the left and right side walls of the cleaning box are further respectively provided with rotating holes.

[0009] Preferably, the electric push rod is fixedly installed on the back wall of the cleaning box, and the output end of the electric push rod is fixedly installed with a cleaning plate at the front end, and the bottom surface of the cleaning plate is fixedly installed with a brush.

[0010] Preferably, the left and right ends of the rotary shaft are respectively fixedly installed with eccentric wheels, and the outer side wall of the eccentric wheel is fixedly installed with a rotating rod, the rotating rod is fixedly installed in the rotating hole, the motor is fixedly installed on the right side wall of the cleaning box, and the output end of the motor is fixedly installed with the rotating rod on the right side.

[0011] Preferably, the fixed frame is fixedly installed on the inner wall of the cleaning box, and four corner end portions of the top surface of the fixed frame are respectively fixedly installed with guide rods, four corner end portions of the top surface of the movable frame are respectively provided with guide holes and movably installed with the guide rods, and a group of symmetrical sliding blocks are respectively fixedly installed on the left and right side walls of the movable frame and movably installed in the sliding grooves, the compression spring is sleeved outside the guide rod, and the compression spring is further fixedly installed between the fixed frame and the movable frame, and the filter screen is fixedly installed in the frame of the movable frame.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] In the utility model, after the low sensitivity resistance forming powder is put into the cleaning box through the feeding port, the low sensitivity resistance forming powder falls on the top surface of the filter screen fixedly installed in the frame of the movable frame in the cleaning box, at this time, the motor drives the rotating shaft to rotate through the rotating rod, the rotating shaft drives the eccentric wheels at both ends to rotate, the eccentric wheels continuously push the movable frame upwards, the movable frame is quickly reset downwards under the elastic action of the compression spring, and the movable frame moves up and down repeatedly, continuously vibrates, and the impurities carried in the low sensitivity resistance forming powder are filtered and screened through the filter screen in the vibrating process, the impurities are screened and filtered on the top surface of the filter screen, and the low sensitivity resistance forming powder is discharged through the discharge port, so that the impurities in the low sensitivity resistance forming powder can be effectively cleaned, the purity of the low sensitivity resistance forming powder is improved, and the product yield, quality and use performance after production are ensured, finally, the impurities screened and filtered on the top surface of the filter screen are pushed out of the cleaning port through the electric push rod driving output end after the handle moves the baffle away from the front end of the cleaning port, the filter screen is cleaned, and the brush on the bottom surface of the cleaning plate can clean the filter screen, so that the cleaning effect of the impurities in the low sensitivity resistance forming powder is not affected by the blockage of the filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an overall structure schematic view of the utility model;

[0015] Figure 2 It is an overall structure sectional view of the utility model;

[0016] Figure 3 It is a sectional view of the cleaning box of the utility model;

[0017] Figure 4 It is a structure split schematic view of the cleaning mechanism of the utility model.

[0018] In the figure: 1, cleaning box; 2, support leg; 3, feed inlet; 4, discharge outlet; 5, cleaning mechanism; 6, impurity removal opening; 7, fixed bar; 8, insertion slot; 9, baffle; 10, insertion bar; 11, handle; 12, sliding groove; 13, rotating hole; 14, electric push rod; 15, cleaning plate; 16, brush; 17, motor; 18, rotating shaft; 19, eccentric wheel; 20, rotating rod; 21, fixed frame; 22, guide rod; 23, compression spring; 24, movable frame; 25, guide hole; 26, sliding block; 27, filter screen. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] As shown in Figure 1 - Figure 4 A low-sensitivity resistance forming powder cleaning device, including a cleaning box 1, the bottom surface of the cleaning box 1 four corner end parts are fixedly connected with support legs 2, and the top surface of the cleaning box 1 is fixedly connected with a feed inlet 3, and the bottom surface of the cleaning box 1 is also fixedly connected with a discharge outlet 4, and the inside of the cleaning box 1 is provided with a cleaning mechanism 5, and the cleaning mechanism 5 includes a baffle 9, an electric push rod 14, a cleaning plate 15, a brush 16, a motor 17, an eccentric wheel 19, a guide rod 22, a compression spring 23, a movable frame 24 and an Alchi, the baffle 9 is fixedly connected between the fixed bars 7 symmetrically arranged at the front end of the cleaning box 1 through the insertion bars 10 on both sides, and the electric push rod 14 is fixedly connected to the rear wall of the cleaning box 1, the cleaning plate 15 is fixedly connected to the output end of the electric push rod 14, and the brush 16 is fixedly connected to the bottom surface of the cleaning plate 15, the eccentric wheel 19 is fixedly connected to both ends of the rotating shaft 18, and the eccentric wheel 19 is movably connected in the cleaning box 1 through the rotating rod 20 on the outer wall, the motor 17 is fixedly connected to one side of the outer wall of the cleaning box 1, and the output end of the motor 17 is fixedly connected with the rotating rod 20, the top surface of the fixed frame 21 inside the cleaning box 1 is fixedly connected with the guide rods 22 at four corner ends, and the movable frame 24 is movably connected with the guide rods 22 through the guide holes 25 at four corner ends of the top surface, the compression spring 23 is sleeved outside the guide rods 22 and fixedly connected between the fixed frame 21 and the movable frame 24, and the filter screen 27 is fixedly connected inside the movable frame 24.

[0021] As shown in Figure 3As shown, the front end wall of the cleaning box 1 is provided with a cleaning opening 6, and the front end wall of the cleaning box 1 is provided with a fixed strip 7 on the left and right sides of the cleaning opening 6, and the inner side wall of the fixed strip 7 is provided with a slot 8, and the left and right side walls of the baffle 9 are respectively provided with an insertion strip 10 which is inserted into the slot 8, and the top surface of the baffle 9 is further provided with a handle 11, and the baffle 9 is manually lifted upward through the handle 11, so that the insertion strip 10 on both sides of the baffle 9 is removed from the slot 8 on the inner side wall of the fixed strip 7, and then the baffle 9 is removed from the front end of the cleaning opening 6 and the cleaning opening 6 is opened, so as to clean the impurities in the low-sensitivity resistance molding powder in the cleaning box 1 which is filtered and screened by the cleaning mechanism 5 from the cleaning box 1;

[0022] As shown in the drawings, Figure 3 The inner walls of the cleaning box 1 are respectively provided with a group of symmetrical sliding grooves 12 on the left and right sides, the sliding grooves 12 are used to cooperate with the sliding block 26 to realize sliding operation, and the upward movement of the movable frame 24 forms a limiting effect, and the left and right side walls of the cleaning box 1 are respectively provided with a rotating hole 13, the rotating hole 13 is used to cooperate with the rotating rod 20 to realize rotation;

[0023] As shown in the drawings, Figure 4 The electric push rod 14 is fixedly installed on the rear wall of the cleaning box 1, and the output end of the electric push rod 14 is fixedly installed with a cleaning plate 15, and the bottom surface of the cleaning plate 15 is fixedly installed with a brush 16, and the output end of the electric push rod 14 is driven to push the cleaning plate 15 forward, and the filtered and screened impurities can be pushed out of the cleaning opening 6 for cleaning, so as to prevent too many impurities in the cleaning box 1 from affecting the cleaning effect of the low-sensitivity resistance molding powder by the cleaning mechanism 5, and the brush 16 on the bottom surface of the cleaning plate 15 will clean the filter screen 27, so as to prevent the mesh of the filter screen 27 from being blocked and affecting the filtering and screening cleaning effect of the impurities in the low-sensitivity resistance molding powder;

[0024] As shown in the drawings, Figure 4 The left and right ends of the rotating shaft 18 are respectively fixedly installed with eccentric wheels 19, and the outer side wall of the eccentric wheel 19 is fixedly installed with a rotating rod 20, and the rotating rod 20 is fixedly installed in the rotating hole 13, and the motor 17 is fixedly installed on the right side wall of the cleaning box 1, and the output end of the motor 17 is fixedly installed with the rotating rod 20 on the right side, and the output end of the motor 17 is driven to rotate the rotating rod 20 in the rotating hole 13, and then the rotating rod 20 drives the rotating shaft 18 to rotate, so that the eccentric wheels 19 at both ends of the rotating shaft 18 rotate, and the eccentric wheels 19 provide vibration for the movable frame 24;

[0025] As shown in the drawings, Figure 4As shown, the fixed frame 21 is fixedly installed on the inner wall of the cleaning box 1, and the top surface of the fixed frame 21 is fixedly provided with four guide rods 22 at the four corner end portions, respectively, and the top surface of the movable frame 24 is provided with four guide holes 25 at the four corner end portions, respectively, and the movable frame 24 is movably installed with the guide rods 22 through the guide holes 25, and a group of symmetrical sliding blocks 26 are further fixedly installed on the left and right side walls of the movable frame 24 and movably installed in the sliding grooves 12, and the compression spring 23 is sleeved on the outside of the guide rod 22, and the compression spring 23 is further fixedly installed between the fixed frame 21 and the movable frame 24, and the filter screen 27 is fixedly installed in the movable frame 24, and the eccentric wheel 19 will push and squeeze the movable frame 24 upward during rotation, and the movable frame 24 moves along the guide rod 22 through the guide hole 25, and the sliding block 26 slides in the sliding groove 12, and forces the compression spring 23 to stretch, and after the eccentric wheel 19 no longer squeezes and pushes the movable frame 24 during rotation, the movable frame 24 will be driven to move downward under the elastic restoring and tightening force of the compression spring 23, so that the movable frame 24 can vibrate during continuous up-and-down reciprocating movement, and the low-sensitivity resistance molding powder on the top surface of the filter screen 27 can be screened and vibrated through the use of the filter screen 27 in the movable frame 24, and the impurities in the low-sensitivity resistance molding powder are screened and filtered on the top surface of the filter screen 27, so as to effectively clean the impurities in the low-sensitivity resistance molding powder.

[0026] The specific use principle of the cleaning mechanism 5 for cleaning the low-sensitivity resistance molding powder is as follows:

[0027] The low-sensitivity resistance forming powder to be cleaned is put into the cleaning box 1 through the feeding port 3, and the low-sensitivity resistance forming powder falling into the cleaning box 1 through the feeding port 3 will fall on the top surface of the filter screen 27 installed in the movable frame 24. At this time, the motor 17 installed on the right side wall of the cleaning box 1 will drive the rotating rod 20 to rotate in the rotating hole 13 opened on the left and right side walls of the cleaning box 1. The rotating rod 20 will drive the rotating shaft 18 to rotate below the movable frame 24 through the eccentric wheel 19, and the eccentric wheels 19 at both ends of the rotating shaft 18 rotate. In the process of rotation, the eccentric wheel 19 will push the movable frame 24 upwards. The movable frame 24 will move along the guide rod 22 installed on the top surface of the fixed frame 21 on the inner wall of the cleaning box 1 through the guide hole 25 opened on the four corner end positions of the top surface, and the sliding block 26 installed on the two side walls of the movable frame 24 will slide in the sliding groove 12 opened on the two sides of the inner wall of the cleaning box 1, and force the compression spring 23 installed between the fixed frame 21 and the movable frame 24 to stretch. When the eccentric wheel 19 no longer pushes the movable frame 24, the elastic recovery and tightening force of the compression spring 23 will drive the movable frame 24 to move downward, so that the eccentric wheel 19 makes the movable frame 24 move up and down in the process of continuous rotation. In this way, the movable frame 24 can continuously vibrate up and down, and in the process of vibration, the use of the filter screen 27 installed in the upper frame can screen and filter the low-sensitivity resistance forming powder. The impurities carried in the low-sensitivity resistance forming powder can be quickly screened and filtered out. The impurities will be filtered on the top surface of the filter screen 27, and the low-sensitivity resistance forming powder will be discharged through the discharge port 4 on the bottom surface of the cleaning box 1, so as to effectively clean the impurities in the low-sensitivity resistance forming powder, improve the purity of the low-sensitivity resistance forming powder, and ensure the yield, quality and performance of the product after production. Finally, the baffle 9 is manually lifted upward through the handle 11, so that the insertion strip 10 on both sides of the baffle 9 is removed from the insertion slot 8 opened on the inner side wall of the fixed strip 7. The baffle 9 can be removed from the front end of the impurity removal port 6 and the impurity removal port 6 is opened. The driving output end of the electric push rod 14 drives the cleaning plate 15 to move forward. The filtered and screened impurities can be pushed out of the impurity removal port 6 for cleaning, so as to prevent too many impurities in the cleaning box 1 from affecting the cleaning effect of the cleaning mechanism 5 on the low-sensitivity resistance forming powder. The brush 16 on the bottom surface of the cleaning plate 15 will clean the filter screen 27 to prevent the mesh of the filter screen 27 from being blocked and affecting the filtering and screening cleaning effect of the impurities in the low-sensitivity resistance forming powder. The whole structure can be installed at the feeding port of the processing equipment for use to clean the impurities in the low-sensitivity resistance forming powder before processing.

[0028] The above merely is preferred embodiment of the present utility model and is not used for limiting the present utility model, although the present utility model is described in detail with reference to the foregoing embodiment, however, can make various improvements and can replace the components therein with equivalent in the case of not departing from the scope of the present utility model, or make equivalent replacement to part technical features, all should be contained in the protection scope of the present utility model in the spirit and principle of the present utility model.

Claims

1. A low-resistivity molding powder cleaning device, comprising a cleaning box (1), wherein support legs (2) are fixedly connected to the four corners of the bottom surface of the cleaning box (1), and a feed inlet (3) is fixedly connected to the top surface of the cleaning box (1), and a discharge outlet (4) is fixedly connected to the bottom surface of the cleaning box (1), characterized in that: The inside of the cleaning box (1) is provided with a cleaning mechanism (5), and the cleaning mechanism (5) comprises a baffle (9), an electric push rod (14), a cleaning plate (15), a brush (16), a motor (17), an eccentric wheel (19), a guide rod (22), a compression spring (23), a movable frame (24) and an Alchi, the baffle (9) is fixedly connected between the symmetric fixed bars (7) at the front end of the cleaning box (1) through the insertion strips (10) on the two sides, and the electric push rod (14) is fixedly connected to the rear wall of the cleaning box (1), the cleaning plate (15) is fixedly connected to the output end of the electric push rod (14), and the brush (16) is fixedly connected to the bottom surface of the cleaning plate (15), the eccentric wheel (19) is fixedly connected to the two ends of the rotating shaft (18), and the eccentric wheel (19) is movably connected in the cleaning box (1) through the rotating rod (20) on the outer wall, the motor (17) is fixedly connected to one side of the outer wall of the cleaning box (1), and the output end of the motor (17) is fixedly connected with the rotating rod (20), the top surface of the fixed frame (21) in the cleaning box (1) is fixedly connected with four guide rods (22) at the four corner ends, and the movable frame (24) is movably connected with the guide rods (22) through the guide holes (25) at the four corner ends of the top surface, the compression spring (23) is sleeved outside the guide rod (22) and fixedly connected between the fixed frame (21) and the movable frame (24), and the filter screen (27) is fixedly connected inside the movable frame (24).

2. A low sensitivity resistance forming powder cleaning device according to claim 1, characterized in that: The front end wall of the cleaning box (1) is provided with a cleaning opening (6), and the front end wall of the cleaning box (1) is fixedly installed with fixed bars (7) on the left and right sides of the cleaning opening (6), the inner side wall of the fixed bar (7) is provided with a slot (8), and the left and right side walls of the baffle (9) are respectively fixedly installed with insertion strips (10) and inserted into the slot (8), and the top surface of the baffle (9) is further fixedly installed with a handle (11).

3. A low sensitivity resistance forming powder cleaning device according to claim 2, characterized in that: A group of symmetric sliding grooves (12) are formed in the left and right side walls of the cleaning box (1), and rotating holes (13) are further formed in the left and right side walls of the cleaning box (1).

4. A low sensitivity resistance forming powder cleaning device according to claim 3, characterized in that: The electric push rod (14) is fixedly installed on the rear wall of the cleaning box (1), and the output end of the electric push rod (14) is fixedly installed with a cleaning plate (15) at the front end, the bottom surface of the cleaning plate (15) is fixedly installed with a brush (16).

5. A low sensitivity resistance forming powder cleaning device according to claim 4, characterized in that: The left and right ends of the rotating shaft (18) are respectively fixedly installed with eccentric wheels (19), and the outer side wall of the eccentric wheel (19) is fixedly installed with a rotating rod (20), the rotating rod (20) is fixedly installed in the rotating hole (13), the motor (17) is fixedly installed on the right side wall of the cleaning box (1), and the output end of the motor (17) is fixedly installed with the right rotating rod (20).

6. A low sensitivity resistance forming powder cleaning device according to claim 5, characterized in that: The fixed frame (21) is fixedly installed on the inner wall of the cleaning box (1), and the top surface of the fixed frame (21) is provided with four guide rods (22) at four corner end portions, respectively; the top surface of the movable frame (24) is provided with four guide holes (25) at four corner end portions, respectively, and the movable frame (24) is movably installed with the guide rods (22) through the guide holes (25); a set of symmetrical sliding blocks (26) are further fixedly installed on the left and right side walls of the movable frame (24) and movably installed in the sliding grooves (12); the compression spring (23) is sleeved outside the guide rod (22), and the compression spring (23) is further fixedly installed between the fixed frame (21) and the movable frame (24); and the filter screen (27) is fixedly installed in the movable frame (24).