A stable pressure air flow mill crushing device

Abstract

The utility model discloses a steady-pressure air flow mill crushing device, which belongs to the technical field of air flow mill crushing devices, and comprises a base, a crushing device body is arranged above the base, a convenient disassembly and assembly component is arranged above the crushing device body, a filter screen is arranged inside the convenient disassembly and assembly component, a gas nozzle is arranged on the surface of the crushing device body, a filter is arranged at one end of the gas nozzle, an air compressor is arranged at one end of the filter, a feeding component is arranged on one side of the crushing device body, and a collecting component is arranged below the crushing device body. The utility model realizes the effect of quickly disassembling and assembling the filter screen, cleaning or replacing the filter screen by arranging the convenient disassembly and assembly component, and the structure can directly push out the filter screen, thereby facilitating the removal of the filter screen. The utility model is convenient for collecting and processing some difficult-to-crush particles, foreign matter and other slag materials by arranging the collecting component.

Description

Technical Field

[0001] The utility model belongs to the technical field of air flow mill crushing devices, and in particular relates to a pressure-stabilized air flow mill crushing device. Background Art

[0002] Air jet mill crushing is the compressed air generated by the air compressor, which passes through two three-stage filters and sprays high-pressure airflow through a special nozzle to collide with the material to achieve the purpose of crushing. When processing lithium iron phosphate, the positive electrode material of lithium batteries, an air jet mill crushing device is required.

[0003] Chinese patent application No. 202122499221.6 discloses a jet mill for lithium iron phosphate processing and production. It includes a shell, a crushing chamber is provided in the shell, a plurality of nozzles are symmetrically arranged in a circular array around the outer wall of the shell, an upper cover is provided on the top of the shell, a riser is provided at the center of the upper surface of the upper cover, a screening piece is threadedly installed on the through hole, a locking cover is provided on the outside of the screening piece, a feeding pipe is provided at the center of the lower surface of the screening piece, a discharge nozzle is provided on the top of the feeding pipe, a discharge port is provided on the upper surface of the discharge nozzle, a filter screen is clamped and installed in the discharge port, a locking cap is threadedly installed on the outer wall of the discharge nozzle, and a mixing tube connected to the crushing chamber is provided at one end of the side wall of the shell. The detachable screening piece is installed on the outside of the jet mill, and a filter screen is provided in the screening piece. The filter screen is used to screen and separate the lithium iron phosphate particles to ensure the uniformity of the lithium iron phosphate particles and improve the processing quality of the lithium iron phosphate.

[0004] The above-mentioned disclosed patent has the following characteristics: 1. When in use, the filter screen is fixed by a locking cap, but it is not convenient to disassemble, clean or replace the fixed screen. When replacing, the fixed screen is placed in the mounting seat and needs to be hooked out with the help of tools. It cannot be taken out directly and requires the help of tools. Therefore, the structure is not convenient and practical; 2. When in use, some extremely difficult-to-crush particles and some foreign objects that are not intercepted by the straight-discharge screen cannot be crushed. The presence of these slags is very unfavorable to the entire crushing process. The device does not collect and process these slags. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a stable pressure air flow mill crushing device, which has the characteristics of being able to quickly disassemble and assemble the filter screen, clean or replace the filter screen, and facilitate the collection and treatment of some difficult-to-crush particles and foreign matter and other slag materials.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steady-pressure air flow mill crushing device, comprising a base, a crushing device body is arranged above the base, a convenient disassembly and assembly component is arranged above the crushing device body, a filter screen is arranged inside the convenient disassembly and assembly component, a gas nozzle is arranged on the surface of the crushing device body, a filter is arranged at one end of the gas nozzle, an air compressor is arranged at one end of the filter, a feeding component is arranged on one side of the crushing device body, and a collecting component is arranged below the crushing device body.

[0007] Preferably, the convenient disassembly and assembly component includes a disassembly and assembly seat, a fixed plate, a clamping rod, a clamping slide, a clamping spring and an ejection assembly, wherein the disassembly and assembly seat is arranged above the crushing device body, the filter screen is located above the disassembly and assembly seat and abuts against the fixed plate, the filter screen abuts against the ejection assembly below, a clamping rod is arranged on one side of the fixed plate, a clamping slide is arranged below the clamping rod, and a clamping spring is arranged on one side of the clamping slide.

[0008] Preferably, the ejection assembly includes an ejection plate, an ejection rod, an ejection spring, a limit slider and a limit slider, wherein the ejection plate abuts against the bottom of the filter screen, an ejection rod is provided below the ejection plate, an ejection spring is provided below the ejection rod, a limit slider is provided on one side of the ejection rod, and a limit slider slides in the middle of the limit slider.

[0009] Preferably, a guide sliding opening is provided at one end of the clamping rod, and a clamping hole matching the clamping rod is provided at one side of the fixing plate.

[0010] Preferably, the collecting assembly comprises a sealing block, a lifting plate, a trapezoidal screw, a turning handle and a collecting box, wherein the sealing block abuts against the slag discharge pipe of the crushing device body, a lifting plate is provided at one end of the sealing block, the middle thread of the lifting plate is connected with the trapezoidal screw, a turning handle is provided at one end of the trapezoidal screw, and a collecting box is provided below the sealing block.

[0011] Preferably, a positioning seat is provided below the collection box, and support rods are symmetrically provided on the surface of the turning handle.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model realizes the effect of quickly disassembling and assembling the filter screen by arranging a convenient disassembly and assembly component, cleaning or replacing the filter screen, and the structure can directly push out the filter screen, thereby facilitating the removal of the filter screen.

[0014] 2. The utility model realizes the effect of facilitating the collection and treatment of slag materials such as some difficult-to-crush particles and foreign objects by setting a collection component. The structure is easy to use. The sealing block and the slag discharge pipe can be separated by simply turning the handle, and then the waste slag enters the collection box for collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model cut from the front view;

[0017] Figure 3 This is a schematic diagram of the structure of the convenient disassembly and assembly components of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the ejector assembly in the convenient disassembly and assembly assembly of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the collection component of the utility model.

[0020] In the figure: 1. base; 2. crushing device body; 3. convenient disassembly and assembly component; 31. disassembly and assembly seat; 32. fixing plate; 33. clamping rod; 34. clamping slide block; 35. clamping spring; 36. ejection assembly; 361. ejection plate; 362. ejection rod; 363. ejection spring; 364. limit slide block; 365. limit slide bar; 4. filter screen; 5. gas nozzle; 6. filter; 7. air compressor; 8. feeding component; 9. collection component; 91. sealing block; 92. lifting plate; 93. trapezoidal screw rod; 94. turning handle; 95. collection box; 96. positioning seat. DETAILED DESCRIPTION

[0021] 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 in 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.

[0022] Example 1

[0023] See also Figure 1-5 The utility model provides the following technical solutions: a steady-pressure air flow mill crushing device, comprising a base 1, a crushing device body 2 is arranged above the base 1, a convenient disassembly and assembly component 3 is arranged above the crushing device body 2, a filter screen 4 is arranged inside the convenient disassembly and assembly component 3, a gas nozzle 5 is arranged on the surface of the crushing device body 2, a filter 6 is arranged at one end of the gas nozzle 5, an air compressor 7 is arranged at one end of the filter 6, a feeding component 8 is arranged on one side of the crushing device body 2, and a collecting component 9 is arranged below the crushing device body 2.

[0024] Specifically, the convenient disassembly and assembly component 3 includes a disassembly and assembly seat 31, a fixed plate 32, a clamping rod 33, a clamping slide 34, a clamping spring 35 and an ejection assembly 36, wherein the disassembly and assembly seat 31 is arranged above the crushing device body 2, the filter screen 4 is located above the disassembly and assembly seat 31 and abuts against the fixed plate 32, the filter screen 4 is abutted against the ejection assembly 36, a clamping rod 33 is arranged on one side of the fixed plate 32, a clamping slide 34 is arranged below the clamping rod 33, and a clamping spring 35 is arranged on one side of the clamping slide 34.

[0025] By adopting the above technical solution, the clamping rod 33 is pulled, and the clamping rod 33 drives the clamping slider 34 to move and compress the clamping spring 35, so that the clamping rod 33 is disengaged from the clamping hole, and then the fixing plate 32 can be removed, so that the filter screen 4 can be disassembled and assembled, so that the device can quickly disassemble and assemble the filter screen 4 when in use, and the filter screen 4 can be cleaned or replaced, thereby improving the convenience of use.

[0026] Specifically, the ejection assembly 36 includes an ejection plate 361, an ejection rod 362, an ejection spring 363, a limit slider 364 and a limit slider 365, wherein the ejection plate 361 abuts against the bottom of the filter screen 4, an ejection rod 362 is arranged below the ejection plate 361, an ejection spring 363 is arranged below the ejection rod 362, a limit slider 364 is arranged on one side of the ejection rod 362, and a limit slider 365 slides in the middle of the limit slider 364.

[0027] By adopting the above technical solution, after the clamping rod 33 is disengaged from the clamping hole, the ejection spring 363 is reset, driving the ejection rod 362 to move upward, thereby driving the ejection plate 361 to move upward, thereby lifting the filter screen 4, thereby facilitating the removal of the filter screen 4.

[0028] Specifically, a guide slot is formed at one end of the clamping rod 33 , and a clamping hole matching the clamping rod 33 is formed at one side of the fixing plate 32 .

[0029] By adopting the above technical solution, the guide slide is convenient for the fixing plate 32 to abut against the clamping rod 33 when it is installed, and can drive the clamping rod 33 to move to one side. The clamping hole is convenient for the clamping rod 33 to be inserted to fix the fixing plate 32.

[0030] When the present embodiment is in use, the clamping rod 33 is pulled, and the clamping rod 33 drives the clamping slider 34 to move and compress the clamping spring 35, so that the clamping rod 33 is disengaged from the clamping hole, and then the fixing plate 32 can be removed, so as to disassemble and assemble the filter screen 4. When the ejection assembly 36 is in use, after the clamping rod 33 is disengaged from the clamping hole, the ejection spring 363 is reset, driving the ejection rod 362 to move upward, thereby driving the ejection plate 361 to move upward, thereby lifting the filter screen 4, thereby facilitating the removal of the filter screen 4, so that the filter screen 4 can be quickly disassembled and assembled when the device is in use, and the filter screen 4 can be cleaned or replaced, thereby improving the convenience of use.

[0031] Example 2

[0032] The present embodiment is different from the embodiment 1 in that: specifically, the collecting assembly 9 comprises a sealing block 91, a lifting plate 92, a trapezoidal screw rod 93, a turning handle 94 and a collecting box 95, wherein the sealing block 91 abuts against the slag discharge pipe of the crushing device body 2, a lifting plate 92 is provided at one end of the sealing block 91, a trapezoidal screw rod 93 is threadedly connected to the middle of the lifting plate 92, a turning handle 94 is provided at one end of the trapezoidal screw rod 93, and a collecting box 95 is provided below the sealing block 91.

[0033] By adopting the above technical solution, the handle 94 is rotated, and the rotation of the handle 94 drives the trapezoidal screw 93 to rotate, and the rotation of the trapezoidal screw 93 drives the lifting plate 92 to move, and the movement of the lifting plate 92 drives the sealing block 91 to move downward, thereby releasing the blockage of the slag discharge pipe, and then the waste slag enters the collection box 95. After the collection is completed, the collection box 95 can be taken away, so that when the device is in use, it is convenient to collect and process some slag materials such as particles and foreign objects that are difficult to crush, thereby improving the practicality of use.

[0034] Specifically, a positioning seat 96 is provided below the collection box 95 , and support rods are symmetrically provided on the surface of the turning handle 94 .

[0035] By adopting the above technical solution, the positioning seat 96 facilitates the positioning of the collection box 95, and the support rod makes it convenient to rotate the handle 94.

[0036] When the present embodiment is in use: the turning handle 94 is turned, the turning handle 94 drives the trapezoidal screw 93 to rotate, the trapezoidal screw 93 drives the lifting plate 92 to move, the lifting plate 92 moves and drives the sealing block 91 to move downward, thereby releasing the blockage of the slag discharge pipe, and then the waste slag enters the collecting box 95, and after the collection is completed, the collecting box 95 can be taken away, so that when the device is in use, it is convenient to collect and process some slag materials such as particles and foreign materials that are difficult to crush, thereby improving the practicality of use.

[0037] The structure and use principle of the crushing device body 2 and the feeding component 8 in the utility model have been disclosed in a jet mill for lithium iron phosphate processing and production disclosed in Chinese patent application No. 202122499221.6. Its working principle is that after the lithium iron phosphate material enters the crushing chamber through the feed port, several relatively arranged nozzles spray out high-speed airflow impact energy, and the collision and friction generated by the rapid expansion of the airflow and the suspension boiling of the fluidized bed crush the lithium iron phosphate particles. The coarse and fine mixed powder passes through the screening element driven by the negative pressure airflow, and the fine powder is forced to pass through the filter screen 4 and is captured by the cyclone collector and the bag dust collector.

[0038] Working principle and use process of the utility model: The utility model is convenient for crushing potassium iron phosphate particles, which are positive electrode materials of lithium batteries. When in use, the original material is added to the crushing device body 2 through the feeding component 8, and the gas is compressed by the air compressor 7, filtered through the filter 6, and then sprayed into the interior of the device from two gas nozzles 5 to crush the potassium iron phosphate particles. Qualified particles pass through the filter screen 4 and are captured by the cyclone collector and the bag dust collector. When use is over, uncrushed particles and foreign matter and other slag materials remain in the device, which are collected and processed by the collecting component 9. When the filter screen 4 needs to be disassembled, the filter screen 4 can be quickly disassembled through the convenient disassembly component 3. When the convenient disassembly component 3 is in use, the clamping rod 33 is pulled, and the clamping rod 33 drives the clamping slider 34 to move the compressed clamping spring 35, so that the clamping rod 33 is disengaged from the clamping hole, and then the fixing plate 3 can be 2 is removed, so as to disassemble and assemble the filter screen 4. When the ejection assembly 36 is in use, after the clamping rod 33 is disengaged from the clamping hole, the ejection spring 363 is reset, driving the ejection rod 362 to move upward, thereby driving the ejection plate 361 to move upward, thereby lifting the filter screen 4, so as to facilitate the removal of the filter screen 4, so that the device can quickly disassemble and assemble the filter screen 4 when in use, and the filter screen 4 can be cleaned or replaced, thereby improving the convenience of use. When the collecting assembly 9 is in use, the turning handle 94 is rotated, and the turning handle 94 rotates to drive the trapezoidal screw rod 93 to rotate, and the trapezoidal screw rod 93 rotates to drive the lifting plate 92 to move, and the lifting plate 92 moves to drive the sealing block 91 to move downward, thereby releasing the blockage of the slag discharge pipe, and then the waste slag enters the collecting box 95. After the collection is completed, the collecting box 95 can be taken away, so that when the device is in use, it is convenient to collect and process some slag materials such as particles and foreign matter that are difficult to crush, thereby improving the practicality of use.

[0039] 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. A pressure-stabilized jet mill crushing device, comprising a base, characterized in that: A crushing device body is arranged above the base, a convenient disassembly and assembly component is arranged above the crushing device body, a filter screen is arranged inside the convenient disassembly and assembly component, a gas nozzle is arranged on the surface of the crushing device body, a filter is arranged at one end of the gas nozzle, an air compressor is arranged at one end of the filter, a feeding component is arranged on one side of the crushing device body, and a collecting component is arranged below the crushing device body.

2. The stable pressure air flow mill crushing device according to claim 1, characterized in that: The convenient disassembly and assembly component includes a disassembly and assembly seat, a fixed plate, a clamping rod, a clamping slide block, a clamping spring and an ejection assembly, wherein the disassembly and assembly seat is arranged above the crushing device body, the filter screen is located above the disassembly and assembly seat and abuts against the fixed plate, the filter screen abuts against the ejection assembly below, a clamping rod is arranged on one side of the fixed plate, a clamping slide block is arranged below the clamping rod, and a clamping spring is arranged on one side of the clamping slide block.

3. A steady pressure air flow mill crushing device according to claim 2, characterized in that: The ejection assembly includes an ejection plate, an ejection rod, an ejection spring, a limit slider and a limit slider, wherein the ejection plate abuts against the bottom of the filter screen, an ejection rod is arranged below the ejection plate, an ejection spring is arranged below the ejection rod, a limit slider is arranged on one side of the ejection rod, and a limit slider slides in the middle of the limit slider.

4. The stable pressure air flow mill crushing device according to claim 2, characterized in that: One end of the clamping rod is provided with a guide sliding opening, and one side of the fixing plate is provided with a clamping hole matching the clamping rod.

5. The stable pressure jet mill crushing device according to claim 1, characterized in that: The collecting assembly comprises a sealing block, a lifting plate, a trapezoidal screw, a turning handle and a collecting box, wherein the sealing block abuts against the slag discharge pipe of the crushing device body, a lifting plate is provided at one end of the sealing block, a trapezoidal screw is threadedly connected to the middle of the lifting plate, a turning handle is provided at one end of the trapezoidal screw, and a collecting box is provided below the sealing block.

6. A steady-pressure airflow mill crushing device according to claim 5, characterized in that: A positioning seat is arranged below the collecting box, and supporting rods are symmetrically arranged on the surface of the turning handle.

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