Zinc oxide resistor disc powder grinding device

Abstract

The utility model relates to the technical field of resistor disc powder processing, in particular to a zinc oxide resistor disc powder grinding device which comprises a grinding bin body, a feeding hopper and a discharging port, the feeding hopper is arranged at the top of the grinding bin body, the discharging port is formed in the bottom of the grinding bin body, and supports are arranged on the two sides of the top of the grinding bin body correspondingly; a horizontal driving mechanism is arranged on the support, the output end of the horizontal driving mechanism is connected with a mounting frame, a horizontally-arranged spraying assembly is arranged on the mounting frame, and the spraying assembly is used for being connected with external high-pressure water supply equipment. According to the zinc oxide resistor disc powder grinding device, when internal parts of the grinding bin body are subjected to grinding work, the horizontal driving mechanism can drive the spraying assembly to move to the working range of the feeding hopper, then water mist is sprayed to the feeding hopper, and therefore dust in the grinding bin body is prevented from escaping from the feeding hopper in a large area; and the heavy metal dust amount in a production workshop is effectively reduced.

Description

Technical Field

[0001] This application relates to the field of resistor powder processing technology, and in particular to a zinc oxide resistor powder grinding device. Background Technology

[0002] Zinc oxide resistors, as sensitive electronic components, are high-power semiconductors and fall under the category of new material applications. They are a typical ceramic electrical component, used as overvoltage protection devices and voltage sensors, primarily in the assembly of zinc oxide surge arresters and their monitoring instruments to protect various electrical equipment operating in the power grid from overvoltage damage. Powder grinding equipment is specialized equipment used in the production process of zinc oxide resistors to grind and crush the powdered raw materials.

[0003] For example, Chinese patent application number CN202023098485.2 discloses a powder grinding device in the production process of zinc oxide resistor sheets, including a main body. The upper end of the main body is integrally formed with a feed pipe and a fixed body. One end of the feed pipe is inserted into the fixed body. The fixed body is integrally formed with a feed hopper. The inner cavity of the fixed body is provided with a first placement groove. A second placement groove is provided on the side of the first placement groove, and a feeding groove is provided on the side of the second placement groove. A conveying circular groove is provided through the upper end of the feeding groove. A first rotating shaft is provided through the first placement groove. An arc-shaped disk is integrally formed on one end of the first rotating shaft.

[0004] Regarding the aforementioned technologies, the inventors believe that the following technical defects exist and require improvement:

[0005] During the grinding process of powder materials inside the grinding mill, a lot of dust will escape from the feed hopper. If this dust containing heavy metals remains in the production workshop for a long time, it will seriously endanger the health of the workers. Utility Model Content

[0006] This application provides a grinding apparatus for zinc oxide resistor sheet powder to improve the following technical problems:

[0007] During the grinding process of powder materials inside the grinding mill, a lot of dust will escape from the feed hopper. If this dust containing heavy metals remains in the production workshop for a long time, it will seriously endanger the health of the workers.

[0008] This application provides a grinding device for zinc oxide resistor sheet powder, which adopts the following technical solution:

[0009] A zinc oxide resistor sheet powder grinding device includes a grinding chamber, a feed hopper, and a discharge port. The feed hopper is located at the top of the grinding chamber, and the discharge port is located at the bottom of the grinding chamber. Supports are respectively provided on both sides of the top of the grinding chamber. A horizontal drive mechanism is provided on the support. The output end of the horizontal drive mechanism is connected to a mounting frame. A horizontally arranged spray assembly is provided on the mounting frame. The horizontal drive mechanism is used to drive the spray assembly to move horizontally back and forth. The spray assembly is used to connect to an external high-pressure water supply device and spray water mist towards the feed hopper.

[0010] In one feasible technical solution of this application, the feed hopper is an inverted truncated quadrangular pyramid structure, and the spray assembly includes a U-shaped main pipe, a first connecting port and a plurality of first atomizing nozzles. The first connecting port is connected to the side of the U-shaped main pipe facing away from the opening, and the first atomizing nozzles are vertically connected to the inner side of the U-shaped main pipe.

[0011] In one feasible technical solution of this application, the first atomizing nozzle is arranged inclined downward and parallel to the inner side of the feed hopper, and the distance between adjacent first atomizing nozzles is between 10-25 cm.

[0012] In one feasible technical solution of this application, the feed hopper is an inverted truncated cone structure, and the spray assembly includes a semi-circular main pipe, a second connecting port and a plurality of second atomizing nozzles. The second connecting port is connected to the side of the semi-circular main pipe facing away from the opening, and the second atomizing nozzles are vertically connected to the inner side of the semi-circular main pipe.

[0013] In one feasible technical solution of this application, the second atomizing nozzle is arranged inclined downward and parallel to the inner side of the feed hopper, and the distance between adjacent second atomizing nozzles is between 10-25 cm.

[0014] In one feasible technical solution of this application, the mounting frame includes a vertically arranged mounting plate, a rubber snap-fit ​​seat, and two sets of diagonal braces. The rubber snap-fit ​​seat is fixed to the top side of the mounting plate, and a portion of the spray assembly is snap-fitted and fixed in the rubber snap-fit ​​seat. The diagonal braces are located between the bottom side of the mounting plate and the side of the spray assembly, and the two sets of diagonal braces are respectively located on opposite sides of the feed hopper.

[0015] In one feasible technical solution of this application, the diagonal brace includes a diagonal rod and a connecting rod, one end of the connecting rod is vertically connected to the top of the diagonal rod, and the other end of the connecting rod is connected to the side of the spray assembly.

[0016] In one feasible technical solution of this application, the horizontal drive mechanism includes a plurality of drive cylinders arranged vertically at intervals, and the drive cylinders are arranged horizontally.

[0017] In summary, this application includes at least one of the following beneficial technical effects:

[0018] When the powder is being fed normally from the hopper, the horizontal drive mechanism can be activated to move the spray assembly out of the working range of the hopper to prevent the powder from being fed normally. When the internal components of the grinding chamber are grinding, the horizontal drive mechanism can move the spray assembly to the working range of the hopper and then spray water mist at the hopper to prevent large amounts of dust from escaping from the grinding chamber. This effectively reduces the amount of heavy metal dust in the production workshop and helps protect the health of the workers. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the zinc oxide resistor sheet powder grinding device according to Embodiment 1 of this application.

[0021] Figure 2 This is a schematic diagram of the spray assembly in Embodiment 1 of this application.

[0022] Figure 3 This is a schematic diagram of the spray assembly in Embodiment 2 of this application.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Grinding chamber;

[0025] 2. Feed hopper;

[0026] 3. Discharge port;

[0027] 4. Bracket;

[0028] 5. Horizontal drive mechanism;

[0029] 6. Mounting bracket; 61. Mounting plate; 62. Rubber clip seat; 63. Diagonal brace; 631. Diagonal brace; 632. Connecting rod;

[0030] 7. Spray assembly; 71. U-shaped main pipe; 72. First connection port; 73. First atomizing nozzle; 74. Semi-circular main pipe; 75. Second connection port; 76. Second atomizing nozzle. Detailed Implementation

[0031] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0032] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0033] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0035] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0036] Example 1

[0037] Embodiment 1 of this application discloses a grinding apparatus for zinc oxide resistor sheet powder. (Refer to...) Figure 1-2 The zinc oxide resistor sheet powder grinding device includes a grinding chamber 1, a feed hopper 2, and a discharge port 3. The feed hopper 2 is located at the top of the grinding chamber 1, and the discharge port 3 is located at the bottom of the grinding chamber 1. Supports 4 are respectively provided on both sides of the top of the grinding chamber 1. A horizontal drive mechanism 5 is provided on the support 4. The output end of the horizontal drive mechanism 5 is connected to a mounting frame 6. A horizontally arranged spray assembly 7 is provided on the mounting frame 6. The horizontal drive mechanism 5 is used to drive the spray assembly 7 to move horizontally back and forth. The spray assembly 7 is used to connect to an external high-pressure water supply device and spray water mist toward the feed hopper 2. The horizontal drive mechanism 5 includes multiple drive cylinders arranged vertically at intervals. The drive cylinders are arranged horizontally.

[0038] In this embodiment, the feed hopper 2 is an inverted truncated pyramid structure, and the spray assembly 7 includes a U-shaped main pipe 71, a first connecting port 72, and a plurality of first atomizing nozzles 73. The first connecting port 72 is connected to the side of the U-shaped main pipe 71 facing away from the opening, and the first atomizing nozzles 73 are vertically connected to the inner side of the U-shaped main pipe 71. The first atomizing nozzles 73 are arranged inclined downward and parallel to the inner side of the feed hopper 2, and the spacing between adjacent first atomizing nozzles 73 is between 10-25 cm.

[0039] The spray assembly 7 designed above has a simple and robust structure and a reasonable layout. It can spray water mist onto the feed hopper 2 comprehensively and thoroughly, and has a better effect in preventing dust from moving out.

[0040] In this embodiment, the mounting frame 6 includes a vertically arranged mounting plate 61, a rubber snap-fit ​​seat 62, and two sets of diagonal braces 63. The rubber snap-fit ​​seat 62 is fixed to the top side of the mounting plate 61. The spray assembly 7 is partially snap-fitted and fixed in the rubber snap-fit ​​seat 62. The diagonal braces 63 are located between the bottom side of the mounting plate 61 and the side of the spray assembly 7, and the two sets of diagonal braces 63 are located on opposite sides of the feed hopper 2. The diagonal brace 63 includes a diagonal rod 631 and a connecting rod 632. One end of the connecting rod 632 is vertically connected to the top of the diagonal rod 631, and the other end of the connecting rod 632 is connected to the side of the spray assembly 7.

[0041] The mounting bracket 6 designed above has a simple structure, is firmly installed, and is easy to assemble. It has a good fixing effect on the spray assembly 7 and effectively prevents the spray assembly 7 from shaking violently during horizontal movement and spraying.

[0042] The beneficial technical effects of the zinc oxide resistor sheet powder grinding device in Embodiment 1 of this application are roughly as follows:

[0043] When the powder is being fed normally from the feed hopper 2, the horizontal drive mechanism 5 can be activated to move the spray assembly 7 out of the working range of the feed hopper 2 to prevent the feed hopper 2 from feeding normally. When the internal components of the grinding chamber 1 are grinding, the horizontal drive mechanism 5 can move the spray assembly 7 to the working range of the feed hopper 2, and then spray water mist at the feed hopper 2 to prevent the dust inside the grinding chamber 1 from escaping from the feed hopper 2 on a large scale. This effectively reduces the amount of heavy metal dust in the production workshop and is beneficial to protecting the health of the workers.

[0044] Example 2

[0045] Embodiment 2 of this application discloses a grinding apparatus for zinc oxide resistor sheet powder. (Refer to...) Figure 1 and Figure 3 The difference from Example 1 is as follows:

[0046] The feed hopper 2 has an inverted truncated cone structure. The spray assembly 7 includes a semi-circular main pipe 74, a second connecting port 75, and a plurality of second atomizing nozzles 76. The second connecting port 75 is connected to the side of the semi-circular main pipe 74 facing away from the opening. The second atomizing nozzles 76 are vertically connected to the inner side of the semi-circular main pipe 74. The second atomizing nozzles 76 are arranged at an angle downward and parallel to the inner side of the feed hopper 2. The spacing between adjacent second atomizing nozzles 76 is between 10 and 25 centimeters.

[0047] The spray assembly 7 designed above also has a simple structure and reasonable layout, which can spray water mist on the feed hopper 2 in a comprehensive and thorough manner, and has a better effect in preventing dust from moving out.

[0048] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A kind of zinc oxide varistor powder grinding device, including grinding warehouse body (1), feed hopper (2) and discharge port (3), the feed hopper (2) is located at the top of the grinding warehouse body (1), the discharge port (3) is located at the bottom of the grinding warehouse body (1), it is characterized by, The top of the grinding bin body (1) is provided with a support (4) on each side, and a horizontal drive mechanism (5) is arranged on the support (4), and the output end of the horizontal drive mechanism (5) is connected with a mounting frame (6), and a horizontally arranged spraying assembly (7) is arranged on the mounting frame (6), and the horizontal drive mechanism (5) is used to drive the spraying assembly (7) to move horizontally and reciprocally, and the spraying assembly (7) is used to connect an external high-pressure water supply device and spray water mist towards the feeding hopper (2).

2. The zinc oxide varistor powder grinding device according to claim 1, wherein, The feeding hopper (2) is a reversed four-prism frustum structure, the spraying assembly (7) comprises a U-shaped main pipe (71), a first connecting port (72) and a plurality of first atomizing nozzles (73), the first connecting port (72) is connected to one side of the U-shaped main pipe (71) away from the opening, and the first atomizing nozzles (73) are vertically connected to the inner side of the U-shaped main pipe (71).

3. The zinc oxide varistor powder grinding device of claim 2, wherein, The first atomizing nozzles (73) are arranged obliquely downward and parallel to the inner side of the feeding hopper (2), and the spacing between adjacent first atomizing nozzles (73) is between 10-25 cm.

4. The zinc oxide varistor powder grinding device of claim 1, wherein, The feeding hopper (2) is a reversed conical frustum structure, the spraying assembly (7) comprises a semicircular main pipe (74), a second connecting port (75) and a plurality of second atomizing nozzles (76), the second connecting port (75) is connected to one side of the semicircular main pipe (74) away from the opening, and the second atomizing nozzles (76) are vertically connected to the inner side of the semicircular main pipe (74).

5. The zinc oxide varistor powder grinding device of claim 4, wherein, The second atomizing nozzles (76) are arranged obliquely downward and parallel to the inner side of the feeding hopper (2), and the spacing between adjacent second atomizing nozzles (76) is between 10-25 cm.

6. The zinc oxide varistor powder grinding device of claim 1, wherein, The mounting frame (6) comprises a vertically arranged mounting plate (61), a rubber clamping seat (62) and two groups of inclined struts (63), the rubber clamping seat (62) is fixed to the top side of the mounting plate (61), part of the spraying assembly (7) is clamped and fixed in the rubber clamping seat (62), the inclined struts (63) are arranged between the bottom side of the mounting plate (61) and the side edge of the spraying assembly (7), and the two groups of inclined struts (63) are located on opposite sides of the feeding hopper (2) respectively.

7. The zinc oxide varistor powder grinding device of claim 6, wherein, The inclined struts (63) comprise an inclined rod (631) and a connecting rod (632), one end of the connecting rod (632) is vertically connected to the top of the inclined rod (631), and the other end of the connecting rod (632) is connected to the side edge of the spraying assembly (7).

8. The zinc oxide varistor powder grinding device of claim 1, wherein, The horizontal drive mechanism (5) comprises a plurality of driving cylinders arranged vertically, and the driving cylinders are horizontally arranged.

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