Fine grinding device for jet mill

The fine grinding device for air flow mills addresses intermittent loading and vibration issues by incorporating a spiral feeding mechanism and shock-absorbing components, ensuring continuous material flow and reducing equipment damage for enhanced performance.

CN222197304UActive Publication Date: 2024-12-20WEIFANG RONGTAO GUANXIONG POWDER EQUIP CO LTD
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Patent Information

Application Number
CN202421436821.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2024-12-20
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

Existing fine grinding devices for air flow mills face issues with intermittent material loading due to pushing structures and continuous vibration from bolted grinding drive motors, leading to equipment damage and reduced efficiency.

Method used

A fine grinding device with a feeding assembly that allows continuous material feeding through a spiral feeding rod and a shock-absorbing assembly that buffers the grinding drive motor, preventing vibration and enhancing equipment durability.

Benefits of technology

Enables continuous material feeding without intervals and reduces equipment damage, improving the feeding and grinding efficiency by preventing vibration-related wear.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of jet mills, in particular to a fine grinding device for jet mills, which comprises a pulverizator main body, a feeding component, a grading barrel and a mounting damping component, the feeding component is mounted on the pulverizator main body, and the grading barrel is mounted on the outer wall of the top end of the pulverizator main body. A mounting damping assembly is mounted on the outer wall of one side of the grading barrel; the feeding assembly comprises a feeding pipe, a supporting plate, a first motor, a first gear, a connecting plate, a rotating rod, a second gear and a spiral feeding rod. One side of the crusher body is connected with the feeding pipe in a penetrating mode. The feeding assembly is adopted, during feeding, materials can be continuously fed, intervals during feeding are avoided, grinding of the materials is facilitated, and the feeding effect is improved; and the damping assembly is installed, a grinding driving motor is limited and installed, and the driving motor is buffered, so that the damage to the equipment is reduced and the use effect of the equipment is improved during long-time use.
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Description

Technical Field

[0001] The utility model relates to the technical field of air flow mills, in particular to a fine grinding device for air flow mills. Background Art

[0002] Air flow grinding is a processing method that uses high-speed air flow to grind the surface of materials. It uses the high-speed rotating flow field generated by the air flow to make the materials continuously rotate, collide and rub in the air flow, so as to achieve the purpose of grinding. When fine grinding, the air flow grinding requires a fine grinding device for processing. However, when loading materials, the existing fine grinding devices generally load the materials through a pushing structure, which causes intervals in the loading, resulting in the inability to continuously load the materials, reducing the loading effect, and the grinding drive motor is generally installed by bolts, which causes continuous vibration during long-term use. If the buffer is not increased, it will cause damage to the equipment and reduce the use effect of the equipment. Utility Model Content

[0003] The problem solved by the utility model is to provide a fine grinding device for an air flow mill, which can continuously feed materials during feeding, avoid intervals during feeding, facilitate grinding of materials, and improve feeding effect. In addition, the grinding drive motor is limitedly installed and buffered, which reduces damage to the equipment during long-term use and improves the use effect of the equipment.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fine grinding device for air flow mill, comprising a pulverizer body, a feeding assembly, a grading cylinder and a mounting shock-absorbing assembly, wherein the pulverizer body is equipped with a feeding assembly, the top outer wall of the pulverizer body is equipped with a grading cylinder, and the outer wall of one side of the grading cylinder is equipped with a mounting shock-absorbing assembly;

[0005] The feeding assembly includes a feeding tube, a support plate, a first motor, a first gear, a connecting plate, a rotating rod, a second gear and a spiral feeding rod. A feeding tube is connected through one side of the crusher body, a connecting plate is fixedly connected to an inner wall of one side of the feeding tube, a rotating rod is rotatably connected to one side of the connecting plate, a spiral feeding rod is fixedly connected to an outer wall of one end of the rotating rod, a second gear is fixedly connected to an outer wall of the other end of the rotating rod, a first gear is meshingly installed on an outer wall of one side of the second gear, a support plate is fixedly connected to an inner wall of one side of the crusher body, a first motor is inlaid and installed on one side of the support plate, and one end of an output shaft of the first motor is fixedly connected to the outer wall of the first gear.

[0006] Preferably, the shock-absorbing installation assembly includes a support ring, a cylinder, a limit hole, a second motor, a motor seat, a guide hole, a shock-absorbing spring, a lifting plate, a connecting frame and a plug rod. A support ring is fixedly connected to the outer wall of one side of the grading cylinder, a motor seat is placed and connected on the top outer wall of the support ring, a second motor is installed on the top outer wall of the motor seat, and a lifting plate is installed above the support ring. Connecting frames are symmetrically welded on the top ends of the six lifting plates, and plug rods are symmetrically welded on the bottom outer wall of the lifting plate. Guide holes are symmetrically opened on one side of the motor seat corresponding to the position of the plug rod, and a limit hole is opened on the support ring corresponding to the position of the plug rod, and a shock-absorbing spring is symmetrically welded on the top outer wall of the motor seat, and the top end of the shock-absorbing spring fits on the outer wall of the lifting plate.

[0007] Preferably, a secondary air casing is installed in the middle of the pulverizer body, and a guide plate is installed on the top inner wall of the secondary air casing.

[0008] Preferably, sealed air inlet pipes are distributed and installed on the outer wall of the top end of the grading cylinder, and the sealed air inlet pipes are arranged in a circle.

[0009] Preferably, an impeller is installed on the inner wall of one side of the grading cylinder, and one end of the output shaft of the second motor is fixedly connected to the outer wall of the impeller.

[0010] Preferably, the shock absorbing spring is internally sleeved on the outer wall of the insertion rod, and the number of the shock absorbing springs is twelve.

[0011] The beneficial effects of the utility model are: the feeding component is adopted, and the material can be continuously fed during feeding, so that intervals are avoided during feeding, the material is convenient to grind, and the feeding effect is improved;

[0012] A shock-absorbing component is installed to limit the grinding drive motor and provide buffering for the drive motor, which reduces damage to the equipment during long-term use and improves the use effect of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the overall three-dimensional structural diagram of the utility model;

[0014] Figure 2 This is a three-dimensional internal structure diagram of the feeding assembly of the utility model;

[0015] Figure 3 This is a three-dimensional structural diagram of the utility model for installing the shock absorbing assembly;

[0016] Figure 4 This is an exploded structural diagram of the utility model.

[0017] Legend:

[0018] 1. Grinder body; 2. Feeding assembly; 3. Grading cylinder; 4. Install shock-absorbing assembly; 5. Secondary air housing; 6. Guide plate; 7. Sealed air inlet pipe; 8. Impeller; 201. Feeding pipe; 202. Support plate; 203. First motor; 204. First gear; 205. Connecting plate; 206. Rotating rod; 207. Second gear; 208. Spiral feeding rod; 401. Support ring; 402. Cylinder; 403. Limiting hole; 404. Second motor; 405. Motor seat; 406. Guide hole; 407. Shock-absorbing spring; 408. Lifting plate; 409. Connecting frame; 4010. Insert rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1

[0020] See also Figure 2 and Figure 4 A fine grinding device for air flow mill comprises a grinder body 1, a feeding assembly 2, a grading cylinder 3 and a mounting damping assembly 4. The feeding assembly 2 is mounted on the grinder body 1, the grading cylinder 3 is mounted on the top outer wall of the grinder body 1, and the mounting damping assembly 4 is mounted on one side outer wall of the grading cylinder 3; a secondary air housing 5 is mounted in the middle of the grinder body 1, and a guide plate 6 is mounted on the top inner wall of the secondary air housing 5, and air is blown through the secondary air housing 5, and then the wind direction is diverted by the guide plate 6. The material is conveniently raised to the grading cylinder 3; a sealed air inlet pipe 7 is distributed and installed on the outer wall of the top of the grading cylinder 3, and the sealed air inlet pipe 7 is arranged in a circular shape, and the compressed air flow is injected into the grading cylinder 3 through the sealed air inlet pipe 7, so that the material in the grading cylinder 3 is repeatedly stirred; an impeller 8 is distributed and installed on the inner wall of one side of the grading cylinder 3, and one end of the output shaft of the second motor 404 is fixedly connected to the outer wall of the impeller 8, and the second motor 404 is started to make the impeller 8 grind the material again, so that the material is convenient to grind;

[0021] The feeding assembly 2 includes a feeding tube 201, a support plate 202, a first motor 203, a first gear 204, a connecting plate 205, a rotating rod 206, a second gear 207 and a spiral feeding rod 208. The feeding tube 201 is connected to one side of the grinder body 1, and a connecting plate 205 is fixedly connected to the inner wall of one side of the feeding tube 201, and a rotating rod 206 is rotatably connected to one side of the connecting plate 205. A spiral feeding rod 208 is fixedly connected to the outer wall of one end of the rotating rod 206, and a second gear 207 is fixedly connected to the outer wall of the other end of the rotating rod 206. The first gear 204 is meshingly installed on the outer wall of one side of the second gear 207, and a support plate 202 is fixedly connected to the inner wall of one side of the grinder body 1, and the first motor 203 is inlaid and installed on one side of the support plate 202, and one end of the output shaft of the first motor 203 is fixedly connected to the outer wall of the first gear 204.

[0022] Working principle: connect the external feeding structure with the feeding pipe 201, then start the first motor 203 on the support plate 202 to rotate the first gear 204, and then under the action of the second gear 207, make the rotating rod 206 on the spiral feeding rod 208 rotate along the connecting plate 205, and feed the material through the spiral feeding rod 208, and then start the external fan, blow air through the secondary air casing 5, and then guide the wind direction through the guide plate 6 to make the material rise into the grading cylinder 3, start the second motor 404 to make the impeller 8 re-grind the material, and at this time, inject the compressed air flow into the grading cylinder 3 through the sealed air inlet pipe 7, so as to repeatedly stir the material in the grading cylinder 3, and during feeding, the material can be continuously fed to avoid intervals during feeding, which is convenient for grinding the material and improves the feeding effect. Embodiment 2

[0023] See also Figure 1 and Figure 3, the installation shock absorbing assembly 4 includes a support ring 401, a cylinder 402, a limiting hole 403, a second motor 404, a motor seat 405, a guide hole 406, a shock absorbing spring 407, a lifting plate 408, a connecting frame 409 and a plug rod 4010, a support ring 401 is fixedly connected to the outer wall of one side of the grading cylinder 3, a motor seat 405 is placed and connected on the top outer wall of the support ring 401, and the second motor 404 is installed on the top outer wall of the motor seat 405, and lifting plates 408 are installed above the support ring 401, and the tops of the six lifting plates 408 are symmetrically welded with connecting frames 409, and the lifting plates 40 8, a plug rod 4010 is symmetrically welded on the outer wall of the bottom end, a guide hole 406 is symmetrically opened on one side of the motor base 405 corresponding to the position of the plug rod 4010, a limiting hole 403 is opened on the support ring 401 corresponding to the position of the plug rod 4010, and a shock-absorbing spring 407 is symmetrically welded on the outer wall of the top end of the motor base 405, and the top end of the shock-absorbing spring 407 is attached to the outer wall of the lifting plate 408; the shock-absorbing spring 407 is internally sleeved on the outer wall of the plug rod 4010, and the number of the shock-absorbing springs 407 is twelve, which is convenient for buffering the vibrating second motor 404 through the shock-absorbing spring 407, thereby improving the use effect of the equipment.

[0024] The second motor 404 is installed in the grading cylinder 3, and the motor seat 405 on the second motor 404 is placed on the support ring 401. At this time, the cylinder 402 is started to lower the lifting plate 408, and then the remaining lifting plates 408 are lowered through the connecting frame 409. The insertion rod 4010 on the lifting plate 408 is inserted into the guide hole 406 along the limiting hole 403, so as to fix the motor seat 405 on the second motor 404 and squeeze the shock-absorbing spring 407. When the second motor 404 is driven, the vibration of the second motor 404 is buffered by the shock-absorbing spring 407, the grinding drive motor is limited and installed, and the drive motor is buffered. In this way, the damage to the equipment is reduced during long-term use and the use effect of the equipment is improved.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fine grinding device for air jet mill, characterized in that: The grinder comprises a grinder body (1), a feeding assembly (2), a grading cylinder (3) and a mounting shock-absorbing assembly (4), wherein the feeding assembly (2) is mounted on the grinder body (1), the grading cylinder (3) is mounted on the top outer wall of the grinder body (1), and the mounting shock-absorbing assembly (4) is mounted on one side outer wall of the grading cylinder (3); The feeding assembly (2) comprises a feeding tube (201), a support plate (202), a first motor (203), a first gear (204), a connecting plate (205), a rotating rod (206), a second gear (207) and a spiral feeding rod (208); one side of the grinder body (1) is connected to the feeding tube (201); the inner wall of one side of the feeding tube (201) is fixedly connected to the connecting plate (205); one side of the connecting plate (205) is rotatably connected to the rotating rod (206); the rotating rod (208) is connected to the rotating rod (206) in a rotating manner; A spiral feeding rod (208) is fixedly connected to the outer wall of one end of the rotating rod (206), a second gear (207) is fixedly connected to the outer wall of the other end of the rotating rod (206), a first gear (204) is meshingly mounted on the outer wall of one side of the second gear (207), a support plate (202) is fixedly connected to the inner wall of one side of the grinder body (1), a first motor (203) is embedded and mounted on one side of the support plate (202), and one end of the output shaft of the first motor (203) is fixedly connected to the outer wall of the first gear (204).

2. A fine grinding device for air jet mill according to claim 1, characterized in that: The shock-absorbing assembly (4) comprises a support ring (401), a cylinder (402), a limiting hole (403), a second motor (404), a motor seat (405), a guide hole (406), a shock-absorbing spring (407), a lifting plate (408), a connecting frame (409) and an insert rod (4010); the support ring (401) is fixedly connected to an outer wall of one side of the grading cylinder (3); the motor seat (405) is placed and connected to the outer wall at the top end of the support ring (401); the second motor (404) is installed on the outer wall at the top end of the motor seat (405); the upper part of the support ring (401) is fixedly connected to the outer wall at the top end of the motor seat (405); Lifting plates (408) are distributedly installed, and connecting frames (409) are symmetrically welded on the top ends of the six lifting plates (408). Insertion rods (4010) are symmetrically welded on the outer walls of the bottom ends of the lifting plates (408). Guide holes (406) are symmetrically opened on one side of the motor seat (405) at positions corresponding to the insertion rods (4010). Limiting holes (403) are opened on the support ring (401) at positions corresponding to the insertion rods (4010). Shock-absorbing springs (407) are symmetrically welded on the outer walls of the top ends of the motor seats (405), and the top ends of the shock-absorbing springs (407) are attached to the outer walls of the lifting plates (408).

3. A fine grinding device for air jet mill according to claim 1, characterized in that: A secondary air casing (5) is installed in the middle of the grinder body (1), and a guide plate (6) is installed on the inner wall of the top end of the secondary air casing (5).

4. A fine grinding device for air jet mill according to claim 1, characterized in that: Sealed air inlet pipes (7) are distributed and installed on the outer wall of the top end of the grading cylinder (3), and the sealed air inlet pipes (7) are arranged in a circular shape.

5. The fine grinding device for air jet mill according to claim 2, characterized in that: An impeller (8) is installed on the inner wall of one side of the classification cylinder (3), and one end of the output shaft of the second motor (404) is fixedly connected to the outer wall of the impeller (8).

6. A fine grinding device for air jet mill according to claim 2, characterized in that: The shock absorbing spring (407) is sleeved on the outer wall of the insertion rod (4010), and the number of the shock absorbing springs (407) is twelve.