Grinding device for concrete expansive agent production
By controlling the feed inlet and designing the dust removal mechanism, the problems of inconvenient raw material addition and smoke pollution were solved, achieving efficient grinding and environmentally friendly treatment.
Patent Information
- Application Number
- CN202520271737.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing grinding equipment is inconvenient to control the amount of raw materials added, which leads to material accumulation, affecting grinding efficiency, and also causes smoke and dust to spill and pollute the environment.
The feeding mechanism is designed to control the addition of raw materials by opening and closing the feed inlet, and combined with the dust removal mechanism, it uses an air pump to suck up and a filter screen to purify the smoke and dust, achieving smoke and dust filtration under negative pressure.
It effectively controls the amount of raw materials added, prevents accumulation, improves grinding efficiency, and purifies fumes and dust, preventing environmental pollution.
Smart Images

Figure CN223800593U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of grinding device, concretely to a grinding device for concrete expansion agent production. BACKGROUND
[0002] In the production process of concrete expansion agent, a grinding device may be used to grind and crush raw materials to obtain the required particle size and particle distribution. The utility model with the patent authorization announcement number CN208612712U discloses a raw material fine grinding device for concrete expansion agent production experiment, which comprises a pre-crushing box, a crushing wheel and a post-grinding box. The top of the pre-crushing box is provided with an inlet, and the left side of the inlet is connected with a cover plate. The raw material fine grinding device for concrete expansion agent production experiment is convenient for step-by-step grinding of raw materials, easy to disassemble and maintain the whole device, avoids the influence of raw material falling, and is conducive to fast and efficient grinding and collection of raw materials.
[0003] In the prior art, it is inconvenient to control the amount of raw material added during the grinding process. If too much material is added, the material will accumulate and affect the subsequent crushing and grinding process. In addition, smoke and dust will inevitably be generated during the crushing process, which will pollute the external environment. Therefore, improvement is needed. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a grinding device for concrete expansion agent production, which solves the problem of inconvenient control of raw material addition amount and the problem of environmental pollution caused by smoke and dust dispersion.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a grinding device for concrete expansion agent production, comprising a box body, a plurality of support seats are fixedly connected to the bottom of the box body in a uniform distribution, a crushing wheel is arranged in the box body, a fixed box is fixedly connected to the right end of the box body, a material box is fixedly connected to the top of the box body, an inlet is fixedly connected to the top of the material box, a guide inlet is fixedly connected to the lower end of the material box, the guide inlet is fixedly connected with the box body, a feeding mechanism is arranged in the material box, and a dust removal mechanism is arranged on the fixed box.
[0006] Preferably, the feeding mechanism comprises a driving motor, the upper end of the tank is fixedly connected with the driving motor, the output end of the driving motor is rotationally connected with the tank, the lower end of the output end of the driving motor is fixedly connected with a screw rod, the outer side of the screw rod is threadedly connected with a plug, the plug is slidably connected with the material guide hole, the left end of the plug is fixedly connected with a guide block, the guide block is slidably connected with the tank, the right end of the plug is fixedly connected with a jacking rod, the upper end of the jacking rod is in contact with a push block, the push block is hingedly connected with the tank, and the inside of the tank is provided with a spring.
[0007] Preferably, the inside of the guide block is slidably sleeved with a guide rod, and the guide rod is fixedly connected with the tank.
[0008] Preferably, one end of the spring is fixedly connected with the tank, and the other end of the spring is fixedly connected with the push block.
[0009] Preferably, the dust removal mechanism comprises a gas pump, the inside of the fixed tank is fixedly connected with the gas pump, the left end of the gas pump is provided with a gas suction port, the inside of the fixed tank is slidably sleeved with a filter screen, the lower end of the filter screen is in contact with a supporting block, the supporting block is fixedly connected with the fixed tank, the left end of the fixed tank is fixedly connected with a communication port, the communication port is fixedly connected with the tank body, and the left end of the communication port is fixedly connected with a plurality of uniformly distributed air inlets.
[0010] Preferably, the lower end of the gas pump is provided with an exhaust port, and the exhaust port is fixedly connected with the fixed tank.
[0011] Preferably, the lower end of the filter screen is fixedly connected with a dovetail block, and the dovetail block is slidably connected with the supporting block.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1、The utility model discloses a material guiding hole can be guided into the tank inside material and be ground in the tank body, and the output end of the driving motor can drive the screw rod to rotate under the action of the driving motor, the movement of the plug can be realized, the material can be intermittently guided into the tank body, the problem that the material is accumulated when the material is added at one time and affects the grinding and grinding efficiency can be prevented, and the push block can push the material when guiding the material, and the problem that the material is blocked and cannot be smoothly discharged can be prevented.
[0014] 2. This utility model utilizes the function of an air pump, which can draw air from the inside of the chamber through the air extraction port to create a negative pressure state inside the chamber. Then, it can draw air from the inside of the chamber through the air inlet, which can absorb and collect the smoke and dust generated during the crushing process. Subsequently, the filter screen can purify the smoke and dust, preventing the spillage of smoke and dust during the crushing process from polluting the external environment. Attached Figure Description
[0015] Figure 1 This is a perspective view of the overall structure of this utility model;
[0016] Figure 2 This utility model Figure 1 A partial three-dimensional sectional view of the structure;
[0017] Figure 3 This utility model Figure 2 Enlarged view of point A;
[0018] Figure 4 This utility model Figure 2 The front sectional view of the fixed box.
[0019] In the diagram: 1. Box body; 2. Support base; 3. Crushing wheel; 4. Fixed box; 5. Material box; 6. Feed inlet; 7. Guide inlet; 8. Feeding mechanism; 9. Dust removal mechanism; 81. Drive motor; 82. Screw; 83. Block; 84. Guide block; 85. Guide rod; 86. Top rod; 87. Push block; 88. Spring; 91. Air pump; 92. Exhaust port; 93. Air extraction port; 94. Filter screen; 95. Support block; 96. Dovetail block; 97. Connecting port; 98. Air inlet. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1 , Figure 2 A grinding device for producing concrete expansion agent includes a box body 1, a plurality of evenly distributed support seats 2 fixedly connected to the bottom of the box body 1, a crushing wheel 3 arranged inside the box body 1, a fixed box 4 fixedly connected to the right end of the box body 1, a material box 5 fixedly connected to the top of the box body 1, a feed inlet 6 fixedly connected to the top of the material box 5, a guide port 7 fixedly connected to the lower end of the material box 5, the guide port 7 being fixedly connected to the box body 1, a feeding mechanism 8 arranged inside the material box 5, and a dust removal mechanism 9 arranged on the fixed box 4.
[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 The feeding mechanism 8 comprises a driving motor 81, the upper end of the material box 5 is fixedly connected with the driving motor 81, the output end of the driving motor 81 is rotationally connected with the material box 5, the lower end of the output end of the driving motor 81 is fixedly connected with a screw rod 82, the outer side of the screw rod 82 is threadedly connected with a plug block 83, the plug block 83 is slidingly connected with the material guiding opening 7, the left end of the plug block 83 is fixedly connected with a guide block 84, the inside of the guide block 84 is slidingly sleeved with a guide rod 85, the guide rod 85 is fixedly connected with the material box 5, the guide rod 85 can guide the movement of the guide block 84, the guide block 84 is slidingly connected with the material box 5, the right end of the plug block 83 is fixedly connected with a jacking rod 86, the upper end of the jacking rod 86 is in contact with a push block 87, the push block 87 is hingedly connected with the material box 5, the inside of the material box 5 is provided with a spring 88, one end of the spring 88 is fixedly connected with the material box 5, the other end of the spring 88 is fixedly connected with the push block 87, the spring 88 can act on the push block 87, and the feeding mechanism 8 can feed the inside of the box body 1.
[0023] Please refer to Figure 1 、 Figure 2 、 Figure 4 The dust removal mechanism 9 comprises an air pump 91, the inside of the fixed box 4 is fixedly connected with the air pump 91, the lower end of the air pump 91 is provided with an exhaust port 92, the exhaust port 92 is fixedly connected with the fixed box 4, the exhaust port 92 can exhaust the gas in the fixed box 4, the left end of the air pump 91 is provided with a suction port 93, the inside of the fixed box 4 is slidingly sleeved with a filter screen 94, the lower end of the filter screen 94 is in contact with a supporting block 95, the lower end of the filter screen 94 is fixedly connected with a dovetail block 96, the dovetail block 96 is slidingly connected with the supporting block 95, the dovetail block 96 can limit the vertical direction of the filter screen 94, the supporting block 95 is fixedly connected with the fixed box 4, the left end of the fixed box 4 is fixedly connected with a communication port 97, the communication port 97 is fixedly connected with the box body 1, the left end of the communication port 97 is fixedly connected with a plurality of air inlets 98 which are uniformly distributed, and the dust removal mechanism 9 can filter and purify the smoke dust.
[0024] The specific implementation process of the utility model is as follows: when needing to feed the inside of the box 1, the driving motor 81 is started, the output end of the driving motor 81 drives the screw rod 82 to rotate, the plug block 83 is made to screw motion, the plug block 83 will drive the guide block 84 to slide along the guide rod 85, meanwhile the plug block 83 is separated from the material guide hole 7, then the material can be conveyed to the inside of the box 1 through the material guide hole 7 to carry out the crushing and grinding work, the opening and closing of the material guide hole 7 can be realized through the up-down movement of the plug block 83, the raw materials can be intermittently introduced into the inside of the box 1, the problem that the subsequent crushing and grinding efficiency is affected by the accumulation of the material due to the too much material added at one time is prevented.
[0025] In the crushing process of the material, the air pump 91 works simultaneously, the air pump 91 sucks the inside of the fixed box 4 through the suction port 93, the inside of the fixed box 4 forms a negative pressure state, then the inside of the box 1 can be sucked through the communication port 97 and the air inlet 98, the smoke and dust generated in the crushing process can be sucked into the inside of the fixed box 4 along with the air, the smoke and dust can be filtered and purified under the action of the filter screen 94, the particulate matter can be retained on the surface of the filter screen 94, and the gas can be discharged through the exhaust port 92, avoiding the pollution of the external environment caused by the overflow of the smoke and dust in the crushing process of the material.
[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A grinding device for producing a concrete expanding agent, comprising a box (1), characterized in that: The bottom of the box (1) is fixedly connected with a plurality of support seats (2) distributed uniformly, the inside of the box (1) is provided with a crushing wheel (3), the right end of the box (1) is fixedly connected with a fixed box (4), the top of the box (1) is fixedly connected with a material box (5), the top of the material box (5) is fixedly connected with a feeding port (6), the lower end of the material box (5) is fixedly connected with a guide port (7), the guide port (7) is fixedly connected with the box (1), the inside of the material box (5) is provided with a feeding mechanism (8), and the fixed box (4) is provided with a dust removal mechanism (9).
2. The grinding device for producing a concrete expansion agent according to claim 1, characterized in that: The feeding mechanism (8) comprises a driving motor (81), the upper end of the material box (5) is fixedly connected with the driving motor (81), the output end of the driving motor (81) is rotatably connected with the material box (5), the lower end of the output end of the driving motor (81) is fixedly connected with a screw rod (82), the outer side of the screw rod (82) is threadedly connected with a plug block (83), the plug block (83) is slidably connected with the guide port (7), the left end of the plug block (83) is fixedly connected with a guide block (84), the guide block (84) is slidably connected with the material box (5), the right end of the plug block (83) is fixedly connected with a jacking rod (86), the upper end of the jacking rod (86) is in contact with a push block (87), the push block (87) is hingedly connected with the material box (5), and the inside of the material box (5) is provided with a spring (88).
3. The grinding device for producing a concrete expansive agent according to claim 2, characterized in that: The inside of the guide block (84) is slidably sleeved with a guide rod (85), and the guide rod (85) is fixedly connected with the material box (5).
4. The grinding device for producing a concrete expanding agent according to claim 2, characterized in that: One end of the spring (88) is fixedly connected with the material box (5), and the other end of the spring (88) is fixedly connected with the push block (87).
5. The grinding device for producing a concrete expanding agent according to claim 1, characterized in that: The dust removal mechanism (9) comprises an air pump (91), the inside of the fixed box (4) is fixedly connected with the air pump (91), the left end of the air pump (91) is provided with a suction port (93), the inside of the fixed box (4) is slidably sleeved with a filter screen (94), the lower end of the filter screen (94) is in contact with a supporting block (95), the supporting block (95) is fixedly connected with the fixed box (4), the left end of the fixed box (4) is fixedly connected with a communication port (97), the communication port (97) is fixedly connected with the box (1), and the left end of the communication port (97) is fixedly connected with a plurality of air inlets (98) distributed uniformly.
6. The grinding device for producing a concrete expansive agent according to claim 5, characterized in that: The lower end of the air pump (91) is provided with an exhaust port (92), and the exhaust port (92) is fixedly connected with the fixed box (4).
7. The grinding device for producing a concrete expansive agent according to claim 5, characterized in that: The lower end of the filter screen (94) is fixedly connected with a dovetail block (96), and the dovetail block (96) is slidably connected with the supporting block (95).
Citation Information
Patent Citations
Raw materials finely ground device for cement expansive material production experiments
CN208612712U