Raw material grinding equipment for fire extinguishing agent processing

By designing a crushing roller cleaning mechanism and a magnetic filter plate structure, the problems of waste and low efficiency caused by raw material adhesion were solved, and a fire extinguishing agent production equipment with high-efficiency crushing and flexible adjustment of grinding fineness was realized.

CN223945807UActive Publication Date: 2026-02-27XUZHOU MINGBO MINING TECH CO LTD
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Patent Information

Application Number
CN202520046827.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-02-27
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

In current fire extinguishing agent production, raw materials tend to stick to the crushing rollers during the coarse crushing process, leading to waste and reduced production efficiency. This also affects the normal operation of the equipment and increases maintenance costs.

Method used

A raw material grinding device for fire extinguishing agent processing was designed, comprising a crushing box, a grinding box, a cleaning mechanism, and a magnetic filter plate. The cleaning mechanism removes the adhering substances on the crushing roller, and the filter plate replacement is simplified by using magnets and dovetail groove structure, allowing for flexible adjustment of grinding fineness.

Benefits of technology

It effectively reduces raw material waste, improves crushing efficiency, ensures normal equipment operation, and allows for quick replacement of filter plates according to production needs, meeting diverse production requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

Raw material grinding equipment for fire extinguishing agent processing comprises a grinding box, a crushing box is fixedly connected to the top wall of the grinding box, two crushing rollers are rotationally arranged between the inner walls of the front side and the rear side of the crushing box, and the rear ends of the crushing rollers are fixedly sleeved with transmission gears. Compared with the prior art, the crusher has the advantages that raw materials adhered to the crushing rollers can be effectively removed through the arranged cleaning mechanism, so that the utilization rate of the raw materials is remarkably improved, and the waste of the raw materials is reduced. Adherends on the crushing roller are cleaned in time, it is ensured that the crushing roller is in the best working state all the time, and therefore the crushing efficiency is improved; through cooperation of the first magnet, the second magnet, the dovetail groove and the guide rail, the filter plate replacement process is simple and rapid, an operator can rapidly replace filter plates with different pore diameters according to actual production requirements, the grinding fineness of raw materials is flexibly adjusted, and diversified production requirements are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to extinguishing agent processing technical field, especially in extinguishing agent processing with raw material grinding equipment. BACKGROUND

[0002] Dry powder extinguishing agent is the fine particle that is made by grinding after mixing extinguishing base material (such as baking soda, ammonium carbonate, ammonium salt of phosphoric acid etc.) and proper lubricant (magnesium stearate, mica powder, talc powder etc.), a small amount of moisture-proof agent (silica gel).

[0003] In the existing extinguishing agent production technology, the raw materials are usually treated by grinding equipment. The traditional treatment method includes first coarsely crushing the raw materials, and then finely grinding. Specifically, the raw materials are first preliminarily crushed by a coarse crushing device to reduce their particle size, and then the crushed raw materials are sent to a grinding device for further refinement. However, this traditional method has obvious shortcomings: in the coarse crushing process, part of the raw materials are easily adhered to the crushing rollers, resulting in waste of raw materials and reduction of production efficiency. In addition, the adhered raw materials can also affect the normal operation of the equipment, increasing the maintenance cost. SUMMARY

[0004] The main purpose of the utility model is to provide a raw material grinding equipment for extinguishing agent processing, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows: a raw material grinding equipment for extinguishing agent processing, comprising a grinding box, a crushing box is fixedly connected to the top wall of the grinding box, two crushing rollers are rotatably arranged between the inner walls of the front and rear sides of the crushing box, a transmission gear is fixedly sleeved to the rear end of the crushing roller, the two transmission gears are engaged with each other, a first motor is installed on the rear side outer wall of the crushing box, the output shaft of the first motor is fixedly connected to the rear end of one of the crushing rollers, a second motor is installed on one side outer wall of the grinding box, the output shaft of the second motor extends into the grinding box and is fixedly connected with a reciprocating lead screw, a reciprocating block matched with the reciprocating lead screw is arranged on the reciprocating lead screw, a guide rod is fixedly connected between the inner walls of the two sides of the grinding box, the reciprocating block and the guide rod are in sliding cooperation, a guide groove is formed in the front side inner wall of the grinding box, a guide block is slidably arranged in the guide groove, a moving seat is fixedly connected between the guide block and the reciprocating block, a filter plate is arranged inside the grinding box below the moving seat, a grinding mechanism is arranged on the moving seat, and a cleaning mechanism is arranged in the crushing box.

[0006] As a further description of the above technical scheme, the grinding mechanism comprises a sliding groove, a sliding block, a grinding roller and a pressing spring, sliding grooves are formed in the inner walls on the front and rear sides of the moving seat, the sliding blocks are slidably arranged in the sliding grooves, the grinding roller is rotatably arranged between the two sliding blocks, and the pressing spring is arranged between the sliding block and the upper side wall of the sliding groove.

[0007] As a further description of the above technical scheme, the cleaning mechanism comprises a rotating shaft, an idler gear, a brush roller and a follow-up gear, two symmetrical rotating shafts are rotatably arranged on the rear inner walls of the crushing box, the front ends of the rotating shafts are fixedly connected with the idler gears which are engaged with the transmission gears, two symmetrical brush rollers are rotatably arranged between the front and rear inner walls of the crushing box, and the rear ends of the brush rollers are fixedly sleeved with the follow-up gears which are engaged with the idler gears.

[0008] As a further description of the above technical scheme, dovetail grooves are formed in the inner walls on the two sides of the grinding box, and guide rails which are slidably matched with the dovetail grooves are fixedly connected to the side walls of the filter plate.

[0009] As a further description of the above technical scheme, a first magnet is fixedly embedded on the rear inner wall of the grinding box, and a second magnet which is attracted to the first magnet is fixedly embedded on the rear side wall of the filter plate.

[0010] As a further description of the above technical scheme, a box door is arranged on the front side wall of the grinding box.

[0011] As a further description of the above technical scheme, a feeding hopper is arranged on the top wall of the crushing box, and a receiving drawer is slidably arranged on the lower inner wall of the grinding box.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] 1. The cleaning mechanism can effectively remove the adhered raw materials on the crushing roller, thereby significantly improving the utilization rate of the raw materials and reducing the waste of the raw materials. The adhering materials on the crushing roller are cleaned in time, so that the crushing roller is always in the best working state, thereby improving the crushing efficiency.

[0014] 2. The cooperation between the first magnet, the second magnet, the dovetail groove and the guide rail makes the filter plate replacement process simple and fast, so that the operator can quickly replace the filter plate with different aperture according to the actual production demand, flexibly adjust the grinding fineness of the raw materials, and meet the diversified production requirements. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall structural schematic view of the raw material grinding equipment for fire extinguishing agent processing.

[0016] Figure 2The utility model discloses a crushing box internal structure schematic drawing of raw material grinding equipment for extinguishing agent processing.

[0017] Figure 3 The utility model discloses a grinding box internal structure schematic drawing of raw material grinding equipment for extinguishing agent processing.

[0018] Figure 4 The utility model discloses a guide groove structure schematic drawing of raw material grinding equipment for extinguishing agent processing.

[0019] Figure 5 The utility model discloses a mobile seat sectional view of raw material grinding equipment for extinguishing agent processing.

[0020] Figure 6 The utility model discloses a filter plate structure schematic drawing of raw material grinding equipment for extinguishing agent processing.

[0021] In the figure: 1, grinding box;2, crushing box;21, crushing roller;22, transmission gear;23, first motor;3, second motor;4, reciprocating screw;41, reciprocating block;11, guide groove;111, guide block;5, mobile seat;6, filter plate;7, grinding mechanism;8, cleaning mechanism;71, sliding slot;72, sliding block;73, grinding roller;74, abutting spring;81, rotating shaft;82, idler;83, brush roller;84, follow-up gear;12, dovetail groove;61, guide rail;13, first magnet;14, box door;9, material receiving drawer. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, achieve the purpose of the utility model easy to understand, the following will be further described in combination with specific embodiments.

[0023] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, a particular orientation and operation, therefore can not be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicative or suggestive of relative importance.

[0024] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "is provided with", "connection" and the like, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For the ordinary skill in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to Figures 1-6 The utility model provides a raw material grinding equipment for fire extinguishing agent processing, including grinding box 1, the top wall of grinding box 1 is fixedly connected with the crushing box 2, two crushing rollers 21 are rotatably arranged between the front and rear two side inner walls of crushing box 2, the rear end of crushing roller 21 is fixedly sleeved with transmission gear 22, two transmission gears 22 are engaged, the rear side outer wall of crushing box 2 is installed with first motor 23, the output shaft of first motor 23 is fixedly connected with the rear end of one of crushing roller 21, the output shaft of first motor 23 can drive one of crushing roller 21 to rotate, another crushing roller 21 is driven to rotate through the transmission of two transmission gears 22, and the raw material is coarsely crushed, the side outer wall of grinding box 1 is installed with second motor 3, the output shaft of second motor 3 extends into grinding box 1 and is fixedly connected with reciprocating lead screw 4, reciprocating lead screw 4 is provided with reciprocating block 41 matched therewith, the two side inner walls of grinding box 1 are fixedly connected with guide rods, reciprocating block 41 is slidably matched with the guide rods, the front side inner wall of grinding box 1 is provided with guide groove 11, guide block 111 is slidably arranged in guide groove 11, and moving seat 5 is fixedly connected between reciprocating block 41 and guide block 111, the output shaft of second motor 3 can drive reciprocating lead screw 4 to rotate, reciprocating lead screw 4 can make reciprocating block 41 continuously reciprocate left and right under the guidance of guide rod when rotating, thereby driving moving seat 5 to reciprocate, making it drive grinding mechanism 7 to reciprocate, the inside of grinding box 1 and below moving seat 5 are provided with filter plate 6, moving seat 5 is provided with grinding mechanism 7, and cleaning mechanism 8 is arranged in crushing box 2.

[0026] Specifically, as Figure 5 The utility model provides a raw material grinding equipment for fire extinguishing agent processing, including grinding box 1, the top wall of grinding box 1 is fixedly connected with the crushing box 2, two crushing rollers 21 are rotatably arranged between the front and rear two side inner walls of crushing box 2, the rear end of crushing roller 21 is fixedly sleeved with transmission gear 22, two transmission gears 22 are engaged, the rear side outer wall of crushing box 2 is installed with first motor 23, the output shaft of first motor 23 is fixedly connected with the rear end of one of crushing roller 21, the output shaft of first motor 23 can drive one of crushing roller 21 to rotate, another crushing roller 21 is driven to rotate through the transmission of two transmission gears 22, and the raw material is coarsely crushed, the side outer wall of grinding box 1 is installed with second motor 3, the output shaft of second motor 3 extends into grinding box 1 and is fixedly connected with reciprocating lead screw 4, reciprocating lead screw 4 is provided with reciprocating block 41 matched therewith, the two side inner walls of grinding box 1 are fixedly connected with guide rods, reciprocating block 41 is slidably matched with the guide rods, the front side inner wall of grinding box 1 is provided with guide groove 11, guide block 111 is slidably arranged in guide groove 11, and moving seat 5 is fixedly connected between reciprocating block 41 and guide block 111, the output shaft of second motor 3 can drive reciprocating lead screw 4 to rotate, reciprocating lead screw 4 can make reciprocating block 41 continuously reciprocate left and right under the guidance of guide rod when rotating, thereby driving moving seat 5 to reciprocate, making it drive grinding mechanism 7 to reciprocate, the inside of grinding box 1 and below moving seat 5 are provided with filter plate 6, moving seat 5 is provided with grinding mechanism 7, and cleaning mechanism 8 is arranged in crushing box 2.

[0027] Specifically, as shown in Figure 2 The cleaning mechanism 8 includes a rotating shaft 81, an idler gear 82, a brush roller 83, and a follow-up gear 84. Two symmetrical rotating shafts 81 are arranged on the rear inner wall of the crushing box 2. The front end of the rotating shaft 81 is fixedly connected with the idler gear 82 which is engaged with the transmission gear 22. Two symmetrical brush rollers 83 are rotatably arranged between the front and rear inner walls of the crushing box 2. The rear end of the brush roller 83 is fixedly sleeved with the follow-up gear 84 which is engaged with the idler gear 82. During the coarse crushing process, the transmission gear 22 rotates to drive the idler gear 82 to rotate, and the idler gear 82 rotates to drive the follow-up gear 84 to rotate, so that the brush roller 83 rotates to clean the crushing roller 21. Under the action of the idler gear 82, the rotating direction of the brush roller 83 is opposite to that of the crushing roller 21, which improves the cleaning effect and avoids waste by cleaning the raw materials adhered to the crushing roller 21.

[0028] Specifically, as shown in Figure 6 The filter plate 6 is installed by inserting the guide rails 61 on the filter plate 6 into the dovetail grooves 12 on the two side inner walls of the grinding box 1, which facilitates the installation.

[0029] Specifically, as shown in Figure 6 The filter plate 6 is installed by inserting the guide rails 61 on the filter plate 6 into the dovetail grooves 12 on the two side inner walls of the grinding box 1, which facilitates the installation.

[0030] Specifically, as shown in Figure 6 The filter plate 6 is installed by inserting the guide rails 61 on the filter plate 6 into the dovetail grooves 12 on the two side inner walls of the grinding box 1, which facilitates the installation.

[0031] Specifically, as shown in Figure 1 and Figure 3 The filter plate 6 is installed by inserting the guide rails 61 on the filter plate 6 into the dovetail grooves 12 on the two side inner walls of the grinding box 1, which facilitates the installation.

[0032] It needs to be explained that the utility model discloses a raw material grinding equipment for fire extinguishing agent processing, when using, the raw material is added to the crushing box 2 through the feeding hopper, the output shaft of the first motor 23 can drive one of the crushing rollers 21 to rotate, through the transmission of two transmission gears 22, the other crushing roller 21 rotates together, and the raw material is coarsely crushed, and the crushed raw material falls on the filter plate 6, the output shaft of the second motor 3 can drive the reciprocating screw 4 to rotate, when the reciprocating screw 4 rotates, the reciprocating block 41 can continuously move left and right under the guidance of the guide rod, thereby driving the moving seat 5 to move reciprocatingly, the moving seat 5 moves while driving the grinding roller 73 to move, so that the grinding roller 73 grinds the coarsely crushed raw material by rolling and pressing, and under the pushing of the abutting spring 74, the grinding roller 73 always has a downward pressure, thereby effectively improving the grinding effect, with the continuous rolling of the grinding roller 73, the ground raw material falls on the receiving drawer 9 through the filter plate 6 and is collected, in the coarse crushing process, the transmission gear 22 rotates and drives the idler 82 to rotate, the idler 82 rotates and drives the follower gear 84 to rotate, so that the brush roller 83 rotates and cleans the crushing roller 21, and under the action of the idler 82, the rotating direction of the brush roller 83 and the crushing roller 21 is opposite, so that the cleaning effect is improved, when it is required to replace the filter plate 6 with different aperture, the box door 14 is opened, the grinding roller 73 is pushed upwards, and then the filter plate 6 is pulled outwards, after overcoming the suction force of the first magnet 13 and the second magnet, the filter plate 6 can be removed, when installing the filter plate 6, the guide rail 61 on the filter plate 6 is inserted into the dovetail groove 12 on the grinding box 1, so that the second magnet is adsorbed to the first magnet 13, and the installation of the filter plate 6 is completed, so that the operator can replace the filter plate 6 with different aperture according to actual production demand, the grinding fineness of the raw material can be flexibly adjusted, and diversified production requirements can be met.

[0033] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A raw material grinding device for fire extinguishing agent processing, comprising a grinding box (1), a crushing box (2) is fixedly connected to the top wall of the grinding box (1), characterized in that: The front and rear inner walls of the crushing box (2) are rotatably provided with two crushing rollers (21), the rear end of the crushing roller (21) is fixedly provided with a transmission gear (22), the two transmission gears (22) are engaged, a first motor (23) is installed on the rear side outer wall of the crushing box (2), the output shaft of the first motor (23) is fixedly connected with the rear end of one of the crushing rollers (21), a second motor (3) is installed on one side outer wall of the grinding box (1), the output shaft of the second motor (3) extends into the grinding box (1) and is fixedly connected with a reciprocating lead screw (4), the reciprocating lead screw (4) is provided with a reciprocating block (41) matched therewith, guide rods are fixedly connected between the two side inner walls of the grinding box (1), the reciprocating block (41) is in sliding fit with the guide rods, a guide groove (11) is formed in the front side inner wall of the grinding box (1), a guide block (111) is slidably arranged in the guide groove (11), a moving seat (5) is fixedly connected between the guide block (111) and the reciprocating block (41), a filter plate (6) is arranged inside the grinding box (1) below the moving seat (5), a grinding mechanism (7) is arranged on the moving seat (5), and a cleaning mechanism (8) is arranged in the crushing box (2).

2. The raw material grinding device for fire extinguishing agent processing according to claim 1, characterized by: The grinding mechanism (7) comprises a sliding groove (71), a sliding block (72), a grinding roller (73) and a pressing spring (74), the front and rear inner walls of the moving seat (5) are both provided with the sliding groove (71), the sliding groove (71) is slidably provided with the sliding block (72), the grinding roller (73) is rotatably arranged between the two sliding blocks (72), and the pressing spring (74) is arranged between the sliding block (72) and the upper side wall of the sliding groove (71).

3. The raw material grinding device for fire extinguishing agent processing according to claim 1, characterized in that: The cleaning mechanism (8) comprises a rotating shaft (81), an idler (82), a brush roller (83) and a follow-up gear (84), two symmetrical rotating shafts (81) are rotatably arranged on the rear inner wall of the crushing box (2), the front end of the rotating shaft (81) is fixedly connected with the idler (82) engaged with the transmission gear (22), and two symmetrical brush rollers (83) are rotatably arranged between the front and rear inner walls of the crushing box (2), the rear end of the brush roller (83) is fixedly provided with the follow-up gear (84) engaged with the idler (82).

4. The raw material grinding device for fire extinguishing agent processing according to claim 1, characterized in that: Dovetail grooves (12) are formed in the two side inner walls of the grinding box (1), and guide rails (61) slidably matched with the dovetail grooves (12) are fixedly connected to the two side walls of the filter plate (6).

5. The raw material grinding device for fire extinguishing agent processing according to claim 4, characterized in that: A first magnet (13) is fixedly embedded on the rear side inner wall of the grinding box (1), and a second magnet is fixedly embedded on the rear side wall of the filter plate (6) and is attracted to the first magnet (13).

6. The raw material grinding device for fire extinguishing agent processing according to claim 1, characterized in that: A box door (14) is arranged on the front side wall of the grinding box (1).

7. The raw material grinding device for fire extinguishing agent processing according to claim 1, characterized in that: A feeding hopper is arranged on the top wall of the crushing box (2), and a receiving drawer (9) is slidably arranged on the lower side inner wall of the grinding box (1).