A hammer mill
By designing the connecting structure of the arc screen and the arc cover, the problem of inconvenient cleaning and difficult replacement of hammer blades in the traditional hammer blade crusher is solved, and higher crushing efficiency and simplicity of operation are achieved.
Patent Information
- Application Number
- CN202421306872.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The interior of the traditional hammer blade crusher is inconvenient to clean, and it is prone to clogging. The fixed-installed internal cover is inconvenient to clean, and disassembly is cumbersome, and it is difficult to replace the hammer blade, which reduces the crushing efficiency.
A hammer blade crusher including a curved screen and a curved cover plate is designed. Through the connection between the curved cover plate and the curved screen, a crushing cylinder is formed, which improves sealing and stability, and simplifies the disassembly and replacement process of the hammer blade through the design of limiting pins and return springs.
Improves crushing efficiency and equipment stability, simplifies internal cleaning and hammer replacement processes, and reduces operation difficulty and time.
Smart Images
Figure CN222724432U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pulverizers, in particular to a hammer type pulverizer. Background Art
[0002] Hammer mill, also known as hammer crusher or hammer mill, is a common crushing equipment, widely used in mining, building materials, chemical, coal, metallurgy, cement, food processing, pharmaceutical and other industries, used to crush various medium to hard materials.
[0003] However, in the prior art, the interior of the traditional hammer mill is not easy to clean, and excessive material during crushing can easily cause blockage. The fixed internal cover is not easy to clean and is cumbersome to disassemble, thereby reducing the crushing efficiency. In addition, the hammer mill is usually integrated, and it is not convenient to replace the internal hammer when it needs to be inspected or replaced, and disassembly and assembly is also time-consuming and labor-intensive. Utility Model Content
[0004] The purpose of the utility model is to solve the problems in the prior art that the interior of the traditional hammer mill is not easy to clean, too much material is prone to blockage during crushing, the fixed internal cover is not easy to clean, and the disassembly is relatively cumbersome, thereby reducing the crushing efficiency, and the hammer mill is usually an integrated type, and it is not convenient to replace the internal hammer when it needs to be repaired or replaced, and the disassembly and assembly is also relatively time-consuming and labor-intensive.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hammer mill, comprising: a shell, an arc-shaped screen and an arc-shaped cover plate, a plurality of support rods are fixedly installed on both sides of the arc-shaped screen, the plurality of support rods are evenly divided into two groups, the other ends of the two groups of support rods are fixedly installed inside the shell, the two sides of the arc-shaped screen close to the support rods are fixedly installed with reinforcement plates, the other sides of the two reinforcement plates are fixedly installed inside the shell, and also includes:
[0006] Two U-shaped plates are fixedly installed on both sides of the arc-shaped screen, and multiple limit pins are movably embedded on the outer surfaces of the two U-shaped plates. The multiple limit pins are evenly divided into two groups, and the opposite back surfaces of the two groups of limit pins are fixedly installed with pull plates;
[0007] A plurality of return springs are fixedly connected to the opposite surfaces of the two pull plates and the U-shaped plate, and the plurality of return springs are movably sleeved on the outer surface of the limit pin;
[0008] Two arc-shaped grooves are arranged on both sides of the arc-shaped screen;
[0009] The two support plates are both fixedly mounted at the bottom of the inner cavity of the shell, and connecting shafts are movably embedded in the opposite surfaces of the two support plates, and a plurality of discs are fixedly mounted on the outer surface of the connecting shafts.
[0010] Preferably, a plurality of circular shafts are fixedly mounted on opposite surfaces of the plurality of circular discs, and hammers are movably sleeved on outer surfaces of the plurality of circular shafts.
[0011] The technical effect of adopting the above further solution is that the hammer can crush the material as the connecting shaft rotates at a high speed.
[0012] Preferably, T-shaped plates are fixedly mounted on both sides of the arc-shaped cover plate, and a plurality of limiting holes are formed on the outer surfaces of the two T-shaped plates.
[0013] The technical effect of adopting the above further solution is that the limit pin is embedded in the limit hole to limit and fix the arc-shaped cover plate.
[0014] Preferably, sealing arc plates are fixedly mounted on both sides of the arc-shaped cover plate, and a clamping groove is provided at the center of the two sealing arc plates.
[0015] The technical effect of adopting the above further solution is: the sealing arc plate embedded in the arc groove can make the arc cover plate and the arc screen form a crushing cylinder, thereby improving the crushing efficiency, and the card groove can facilitate the rotation of the connecting shaft.
[0016] Preferably, a feed hopper is fixedly mounted on the top of the arc-shaped cover plate, and a fixing plate is fixedly mounted on the outer surface of the shell.
[0017] The technical effect of adopting the above further solution is that the material to be crushed can be added through the feed hopper.
[0018] Preferably, a driving motor is fixedly mounted on the outer surface of the fixing plate, an output end of the driving motor passes through the housing, and the output end of the driving motor is fixedly connected to one end of the connecting shaft.
[0019] The technical effect of adopting the above further solution is that the driving motor can drive multiple hammers to perform crushing operations through the connecting shaft.
[0020] Preferably, a discharge port is provided at the center of the bottom of the shell, and guide plates are fixedly installed on both sides of the bottom of the inner cavity of the shell, and the two guide plates are inclined.
[0021] The technical effect of adopting the above further solution is that the guide plate can guide the crushed material out and take it out through the discharge port.
[0022] Preferably, rectangular grooves are provided on both sides of the outer surface of the upper end of the shell, baffles are movably embedded in the two rectangular grooves, and handles are fixedly installed on the opposite surfaces of the two baffles.
[0023] The technical effect of adopting the above further solution is that the baffle can prevent the material from splashing out during the crushing operation.
[0024] Compared with the prior art, the advantages and positive effects of the utility model are:
[0025] 1. In the utility model, the T-shaped plates installed on both sides of the arc cover are embedded in the interior of the U-shaped plates installed on both sides of the arc screen, and the two groups of limit pins are embedded in the interior of the limit holes under the elastic force of the reset spring, so that the arc cover and the arc screen are connected to form a crushing cylinder, and the sealing arc plates installed on both sides of the arc cover are embedded in the interior of the arc groove, which improves the sealing of the arc cover and the arc screen, and the crushing effect can be improved after the material is added inside. Two groups of support rods and reinforcement plates are fixedly installed on both sides of the arc screen, which can improve the stability of the arc screen and prevent shaking during the crushing operation. When it is necessary to disassemble the internal hammer or material for cleaning, it is only necessary to pull the two pull plates to drive the limit pins to move out from the inside of the limit holes, and then pull the arc cover to take it out.
[0026] 2. In the utility model, two baffles are embedded into the interior of the rectangular groove through two handles, so that the arc cover plate can be limited and fixed to prevent shaking and prevent objects from bursting out during crushing. The material to be crushed is added through the feed hopper, and the driving motor is turned on to drive the connecting shaft to rotate. A plurality of discs are fixedly installed on the outer surface of the connecting shaft. The discs can prevent the materials from piling up. The materials can be crushed by high-speed rotation of multiple hammers. The crushed materials fall into the interior of the shell through the arc screen. Two guide plates are fixedly installed on the bottom of the shell. The two guide plates are inclined to facilitate the materials to slide down and flow out from the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 A schematic diagram of the structure of a hammer mill is provided for the utility model;
[0028] Figure 2 A side structural schematic diagram of a hammer mill is provided for the utility model;
[0029] Figure 3 A schematic cross-sectional view of a hammer mill is provided for the utility model;
[0030] Figure 4 The utility model provides a schematic diagram of the internal explosion structure of a hammer mill.
[0031] Legend:
[0032] 1. Shell; 101. Rectangular groove; 102. Baffle; 103. Handle; 104. Feed hopper; 105. Discharge port; 106. Support rod; 107. Fixing plate; 108. Driving motor; 109. Arc cover plate; 110. Arc screen; 111. Reinforcement plate; 112. Disc; 113. Connecting shaft; 114. Hammer; 115. Round shaft; 116. Guide plate; 117. Arc groove; 118. Sealing arc plate; 119. Slot; 120. T-shaped plate; 121. Limiting hole; 122. Pull plate; 123. Limiting pin; 124. Reset spring; 125. Support plate; 126. U-shaped plate. DETAILED DESCRIPTION
[0033] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0035] Embodiment 1, as Figure 1-4As shown, the utility model provides a hammer mill, comprising: a shell 1, an arc-shaped screen 110 and an arc-shaped cover plate 109, a plurality of support rods 106 are fixedly installed on both sides of the arc-shaped screen 110, the plurality of support rods 106 are evenly divided into two groups, the other ends of the two groups of support rods 106 are fixedly installed inside the shell 1, and reinforcement plates 111 are fixedly installed on both sides of the arc-shaped screen 110 close to the support rods 106, and the other sides of the two reinforcement plates 111 are fixedly installed inside the shell 1, and also include: two U-shaped plates 126, both of which are fixedly installed on both sides of the arc-shaped screen 110, and the outer surfaces of the two U-shaped plates 126 are movably embedded with a plurality of limit pins 123, and the plurality of limit pins 123 are evenly divided into two groups, and the opposite back surfaces of the two groups of limit pins 123 are fixedly installed with pull plates 122; a plurality of reset springs 124, all fixedly connected to the two On the opposite surfaces of the pull plate 122 and the U-shaped plate 126, multiple reset springs 124 are movably sleeved on the outer surface of the limit pin 123; two arc grooves 117 are both opened on both sides of the arc screen 110; two support plates 125 are both fixedly installed at the bottom of the inner cavity of the shell 1, and the opposite surfaces of the two support plates 125 are movably embedded with a connecting shaft 113, and the outer surface of the connecting shaft 113 is fixedly installed with multiple discs 112; multiple circular shafts 115 are fixedly installed on the opposite surfaces of the multiple discs 112, and the outer surfaces of the multiple circular shafts 115 are movably sleeved with hammers 114; T-shaped plates 120 are fixedly installed on both sides of the arc cover plate 109, and the outer surfaces of the two T-shaped plates 120 are opened with multiple limit holes 121; sealing arc plates 118 are fixedly installed on both sides of the arc cover plate 109, and the centers of the two sealing arc plates 118 are opened with card grooves 119.
[0036] In this embodiment, the T-shaped plates 120 installed on both sides of the arc cover plate 109 are embedded in the U-shaped plates 126 installed on both sides of the arc screen 110, and the two sets of limit pins 123 are embedded in the limit holes 121 under the elastic force of the return spring 124, so that the arc cover plate 109 and the arc screen 110 are connected to form a crushing cylinder, and the sealing arc plates 118 installed on both sides of the arc cover plate 109 are embedded in the arc groove 117, thereby improving the arc cover plate 109 and the arc screen 1 10 Sealing performance. After materials are added inside, the crushing effect can be improved. Two sets of support rods 106 and reinforcement plates 111 are fixedly installed on both sides of the arc-shaped screen 110, which can improve the stability of the arc-shaped screen 110 and prevent shaking during the crushing operation. When it is necessary to disassemble the internal hammer 114 or clean the materials, just pull the two pull plates 122 to drive the limit pin 123 to move out from the inside of the limit hole 121, and then pull the arc-shaped cover plate 109 to take it out.
[0037] Embodiment 2, as Figure 1-4As shown, a feed hopper 104 is fixedly installed on the top of the arc-shaped cover plate 109, and a fixing plate 107 is fixedly installed on the outer surface of the shell 1; a driving motor 108 is fixedly installed on the outer surface of the fixing plate 107, and the output end of the driving motor 108 passes through the shell 1, and the output end of the driving motor 108 is fixedly connected to one end of the connecting shaft 113; a discharge port 105 is opened at the bottom center of the shell 1, and guide plates 116 are fixedly installed on both sides of the bottom of the inner cavity of the shell 1, and the two guide plates 116 are inclined; rectangular grooves 101 are opened on both sides of the outer surface of the upper end of the shell 1, and baffles 102 are movably embedded in the two rectangular grooves 101, and handles 103 are fixedly installed on the opposite surfaces of the two baffles 102.
[0038] In this embodiment, the two baffles 102 are embedded into the interior of the rectangular groove 101 through two handles 103, and the arc cover plate 109 can be limited and fixed to prevent shaking and prevent objects from jumping out during crushing. The material to be crushed is added through the feed hopper 104, and the driving motor 108 is turned on to drive the connecting shaft 113 to rotate. A plurality of discs 112 are fixedly installed on the outer surface of the connecting shaft 113. The disc 112 can prevent the materials from piling up together. The plurality of hammer pieces 114 can crush the materials by rotating at high speed. The crushed materials fall into the interior of the shell 1 through the arc screen 110. Two guide plates 116 are fixedly installed at the bottom of the interior of the shell 1. The two guide plates 116 are inclined to facilitate the materials to slide out from the discharge port 105.
[0039] Working principle: When in use, the T-shaped plates 120 installed on both sides of the arc cover 109 are embedded in the U-shaped plates 126 installed on both sides of the arc screen 110, and the two sets of limit pins 123 are embedded in the limit holes 121 under the elastic force of the return spring 124, so that the arc cover 109 and the arc screen 110 are connected to form a crushing cylinder, and the sealing arc plates 118 installed on both sides of the arc cover 109 are embedded in the arc groove 117, which improves the sealing of the arc cover 109 and the arc screen 110. After the material is added inside, the crushing effect can be improved. Two sets of support rods 106 and reinforcement plates 111 are fixedly installed on both sides of the arc screen 110, which can improve the stability of the arc screen 110 and prevent shaking during the crushing operation. When it is necessary to disassemble the internal hammer 114 or clean the material, just pull the two pull plates 122 Drive the limit pin 123 to move out from the inside of the limit hole 121, and then pull the arc cover 109 to take it out. The two baffles 102 are embedded in the inside of the rectangular groove 101 through the two handles 103, so that the arc cover 109 can be limited and fixed to prevent shaking and prevent objects from jumping out during crushing. The material to be crushed is added through the feed hopper 104, and the drive motor 108 is turned on to drive the connecting shaft 113 to rotate. A plurality of discs 112 are fixedly installed on the outer surface of the connecting shaft 113. The disc 112 can prevent the materials from piling up together. The plurality of hammer pieces 114 can crush the materials by rotating at high speed. The crushed materials fall into the inside of the shell 1 through the arc screen 110. Two guide plates 116 are fixedly installed at the bottom of the inside of the shell 1. The two guide plates 116 are inclined to facilitate the materials to slide down and flow out from the discharge port 105.
[0040] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A hammer mill, comprising: A housing (1), an arc-shaped screen (110) and an arc-shaped cover plate (109), wherein a plurality of support rods (106) are fixedly mounted on both sides of the arc-shaped screen (110), the plurality of support rods (106) are evenly divided into two groups, the other ends of the two groups of support rods (106) are fixedly mounted inside the housing (1), and reinforcement plates (111) are fixedly mounted on both sides of the arc-shaped screen (110) close to the support rods (106), the other sides of the two reinforcement plates (111) are fixedly mounted inside the housing (1), characterized in that it also includes: Two U-shaped plates (126) are fixedly mounted on both sides of the arc-shaped screen (110); a plurality of limit pins (123) are movably embedded in the outer surfaces of the two U-shaped plates (126); the plurality of limit pins (123) are evenly divided into two groups; and pull plates (122) are fixedly mounted on opposite sides of the two groups of limit pins (123); A plurality of return springs (124) are fixedly connected to the opposite surfaces of the two pull plates (122) and the U-shaped plate (126); the plurality of return springs (124) are movably sleeved on the outer surface of the limit pin (123); Two arc-shaped grooves (117) are both provided on two sides of the arc-shaped screen (110); Two support plates (125) are fixedly mounted on the bottom of the inner cavity of the housing (1); a connecting shaft (113) is movably embedded in the opposing surfaces of the two support plates (125); and a plurality of disks (112) are fixedly mounted on the outer surface of the connecting shaft (113).
2. A hammer mill according to claim 1, characterized in that: A plurality of circular shafts (115) are fixedly mounted on opposite surfaces of the plurality of circular disks (112), and hammer pieces (114) are movably sleeved on outer surfaces of the plurality of circular shafts (115).
3. A hammer mill according to claim 2, characterized in that: T-shaped plates (120) are fixedly mounted on both sides of the arc-shaped cover plate (109), and the outer surfaces of the two T-shaped plates (120) are provided with a plurality of limiting holes (121).
4. A hammer mill according to claim 3, characterized in that: Sealing arc plates (118) are fixedly mounted on both sides of the arc-shaped cover plate (109), and a clamping groove (119) is provided at the center of the two sealing arc plates (118).
5. A hammer mill according to claim 4, characterized in that: A feed hopper (104) is fixedly mounted on the top of the arc-shaped cover plate (109), and a fixing plate (107) is fixedly mounted on the outer surface of the housing (1).
6. A hammer mill according to claim 5, characterized in that: A drive motor (108) is fixedly mounted on the outer surface of the fixing plate (107); the output end of the drive motor (108) passes through the housing (1); and the output end of the drive motor (108) is fixedly connected to one end of the connecting shaft (113).
7. A hammer mill according to claim 6, characterized in that: A material outlet (105) is provided at the center of the bottom of the shell (1), and material guide plates (116) are fixedly mounted on both sides of the bottom of the inner cavity of the shell (1), and the two material guide plates (116) are inclined.
8. A hammer mill according to claim 7, characterized in that: Rectangular grooves (101) are provided on both sides of the outer surface of the upper end of the housing (1), baffles (102) are movably embedded in the two rectangular grooves (101), and handles (103) are fixedly mounted on the opposite surfaces of the two baffles (102).