A titanium ore magnetic separation and dust removal equipment

Abstract

The present invention provides a titanium ore magnetic separation and dust removal device, which relates to the technical field of equipment dust removal, and comprises: a bracket; the bracket adopts an L-shaped rod structure, and two groups of brackets are arranged in total, and the two groups of brackets are arranged symmetrically on the left and right; a dust removal tower is fixedly arranged on one side of the bracket; an air flow channel with a rectangular cavity structure is fixedly arranged between the two groups of brackets; a blowing plate with a rectangular plate structure is rotatably arranged in the middle of the inner side of the air flow channel; a first slide rail is fixedly arranged on the inner wall of the air flow channel; a rack is slidably arranged on the top of the first slide rail; a proximity switch is fixedly arranged on the rear side of the rack; while improving the dust reduction effect, the waste of resources is reduced, and resources are used more reasonably, bringing better economic and environmental effects; it solves the problem that the current dust removal equipment cannot automatically adjust different dust suppression modes according to the actual dust situation and cannot make reasonable and sufficient use of resources.

Description

Technical Field

[0001] The invention relates to the technical field of equipment dust removal, and in particular to titanium ore magnetic separation dust removal equipment. Background Art

[0002] Magnetic separator is a screening device used to remove iron powder from recycled powder particles. After the slurry flows into the trough through the feed box, the ore particles enter the feeding area of ​​the trough in a loose state under the action of the water flow of the feed water pipe; magnetic separators are widely used in resource recovery, wood industry, mining industry, kiln industry, chemical industry, food and other factories. They are suitable for wet magnetic separation of magnetite, pyrrhotite, roasted ore, ilmenite and other materials with a particle size of less than 3mm. They are also used for iron removal operations of coal, non-metallic minerals, building materials and other materials. It is one of the most widely used and highly versatile machines in the industry; during the operation of magnetic separators, a large amount of dust is easily generated, which has a certain impact on the surrounding environment, so it is usually necessary to be equipped with corresponding dust removal equipment.

[0003] However, the current magnetic separator dust removal equipment still has the following shortcomings:

[0004] Current dust removal equipment usually uses dry ventilation dust removal and wet water sprinkling dust removal to suppress dust. However, in actual operation, the ventilation dust removal method is usually suitable for situations where the amount of dust is small. When the amount of dust is large, it is difficult to effectively deal with the dust. The water sprinkling dust suppression method will consume a large amount of water resources when sprinkling water for a long time. Therefore, the current dust removal equipment cannot adjust different dust suppression methods according to the actual dust situation, cannot make reasonable and full use of resources, and has great limitations. Summary of the invention

[0005] In view of this, the present invention provides a titanium ore magnetic separation and dust removal equipment, which has an air flow channel. By detecting the state of the blowing plate, it can choose whether to start the water sprinkling and dust suppression method according to the dust situation, so that dust removal can be carried out through ventilation and dust suppression when the dust is light, and water sprinkling and dust suppression can be carried out when the dust is more serious, thereby achieving the purpose of automatic adjustment.

[0006] The present invention provides a titanium ore magnetic separation and dust removal device, which specifically includes: a bracket; the bracket adopts an L-shaped rod structure, and there are two groups of brackets in total, and the two groups of brackets are symmetrically arranged on the left and right; a dust removal tower is fixedly arranged on one side of the bracket; an airflow channel with a rectangular cavity structure is fixedly arranged between the two groups of brackets, and a through-type rectangular through-slot structure is opened on the rear side of the airflow channel; a mounting frame is fixedly arranged on the outer side of the bottom of the airflow channel; a blowing plate with a rectangular plate structure is rotatably arranged in the middle of the inner side of the airflow channel, and the blowing plate is made of foam board material; a pull rope is fixedly connected between the blowing plate and the inner wall of the airflow channel; a first slide rail is fixedly arranged on the inner wall of the airflow channel; a rack is slidably arranged on the top of the first slide rail; a proximity switch is fixedly arranged on the rear side of the rack, and the proximity switch passes through the rectangular through-slot on the rear side of the airflow channel and extends to the rear side of the airflow channel.

[0007] Furthermore, a filter plate is fixedly arranged on the inner side of the bottom of the airflow channel; a gear is fixedly arranged on the outer side of the rotating shaft of the blowing plate, and the gear is meshingly connected with the rack; and a group of second slide rails are fixedly arranged on both sides of the inner wall of the airflow channel.

[0008] Furthermore, a cleaning plate with a rectangular plate structure is slidably arranged between the two groups of the second slide rails, and a brush structure is arranged on the top of the cleaning plate; a connecting rod with a cylindrical structure is fixedly arranged on the rear side of the cleaning plate; a connecting ring is fixedly connected to the rear end of the connecting rod, and the connecting ring adopts an internal hollow U-shaped block structure; a transmission rod with a cylindrical structure is rotatably connected to the rear side of the airflow channel; a transmission block is fixedly connected to the top of the transmission rod, and a circular protrusion structure engaged with the connecting ring is arranged at the front end of the transmission block; an impeller is fixedly arranged at the bottom end of the transmission rod.

[0009] Furthermore, the mounting frame adopts a rectangular frame structure, and the interior of the mounting frame adopts a hollow structure; the bottom of the mounting frame is fixedly provided with nozzles in a rectangular array, and the nozzles are connected to the interior of the mounting frame; a timing switch is fixedly provided on the top of the rear side of the mounting frame, and the timing switch and the proximity switch are correspondingly provided; a pipeline is fixedly provided at the bottom of the mounting frame, and an impeller is rotatably provided inside the pipeline; a water pump is fixedly connected to one end of the pipeline, and the water pump is electrically connected to the timing switch; a water storage bucket is connected to the bottom of the water pump.

[0010] Furthermore, the dust removal tower adopts a conical structure, and the dust removal tower is connected to the air flow channel; a collecting cylinder is fixedly connected to the bottom of the dust removal tower, and the collecting cylinder adopts an internally hollow cylindrical structure, and a through-type circular through-groove structure is provided in the middle of the top of the collecting cylinder; a group of top blocks of a wedge-shaped block structure are fixedly provided on both sides of the inner bottom of the collecting cylinder; a fixed plate of an F-shaped plate structure is fixedly provided on one side of the collecting cylinder, and a through-type circular through-groove structure is provided on the top of the fixed plate; a motor is fixedly provided on one side of the fixed plate; a rotating block of an S-shaped block structure is transmission-connected and rotatably provided on the front side of the motor; a first cylindrical structure is slidably provided in the circular through-groove of the fixed plate A sliding rod, and a spring is sleeved on the outer side of the first sliding rod; a counterweight block is fixedly arranged on the top of the first sliding rod; a compacting plate with a circular plate-shaped structure is fixedly arranged on the bottom end of the first sliding rod, the outer wall of the compacting plate is in contact with the inner wall of the collecting cylinder, and a through-type rectangular through-groove structure is opened on both sides of the compacting plate, and a through-type circular through-groove structure is opened in the middle of the top of the compacting plate; a group of second sliding rods with a cylindrical structure are slidably arranged on both sides of the top of the compacting plate, and a spring is sleeved on the outer side of the second sliding rod; a group of baffles with a semicircular plate-shaped structure are fixedly arranged on the inner ends of the two groups of second sliding rods; an air pump is fixedly connected to one side of the top of the dust removal tower, and the air pump is connected to the airflow channel.

[0011] Beneficial Effects

[0012] In the present invention, the blowing plate arranged in the air flow channel can monitor the air flow situation, and then the dust situation can be judged by cooperating with the filter plate. When the dust is light, dust removal is carried out by ventilation and dust suppression, and when the dust is serious, water can be sprinkled to suppress the dust. This is convenient for using different dust reduction methods according to the actual dust situation, improving the dust reduction effect while reducing the waste of resources, making more rational use of resources, and bringing better economic and environmental effects.

[0013] In addition, during the water sprinkling process, the cleaning plate is simultaneously driven to clean the dust adhering to the filter plate, thereby maintaining the permeability of the filter plate and reducing the cleaning burden of the staff, thereby improving the functionality and practicality of the device.

[0014] In addition, ventilation and dust removal are carried out through an air pump, and the dust is concentrated in the dust removal tower and further enters the collection tube. Then, the dust particles at the bottom of the collection tube are compacted through the cooperation of the compaction plate and two sets of baffles to reduce the space occupied by the dust particles. At the same time, after the dust particles are compacted, the impact of flying dust during the dust particle cleaning process can be reduced, avoiding pollution and impact on the surrounding working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0016] In the attached picture:

[0017] Figure 1 shows an overall axial schematic diagram of an embodiment according to the present invention;

[0018] Figure 2 shows an overall bottom view schematic diagram of an embodiment according to the present invention;

[0019] Figure 3 shows an overall side schematic diagram of an embodiment according to the present invention;

[0020] Figure 4 It shows an axial schematic diagram of an airflow channel in a cross-sectional state according to an embodiment of the present invention;

[0021] Figure 5 A partial axial schematic diagram of a dust removal tower according to an embodiment of the present invention is shown;

[0022] Figure 6 It shows a schematic diagram of the interior of the airflow channel in a cross-sectional state according to an embodiment of the present invention;

[0023] Figure 7 A schematic diagram of a split airflow channel in a cross-sectional state according to an embodiment of the present invention is shown.

[0024] Figure 8 A partially enlarged schematic diagram of A according to an embodiment of the present invention is shown.

[0025] Reference numerals list

[0026] 1. Bracket; 101. Air flow channel; 102. Filter plate; 103. Blowing plate; 104. Pull rope; 105. Gear; 106. First slide rail; 107. Rack; 108. Proximity switch; 109. Second slide rail; 110. Cleaning plate; 111. Connecting rod; 112. Connecting ring; 113. Transmission rod; 114. Transmission block; 115. Impeller; 2. Mounting frame; 201. Sprinkler; 202. Timing switch; 203. Pipeline; 204. Water pump; 205. Water storage barrel; 3. Dust removal tower; 301. Collecting cylinder; 302. Top block; 303. Fixed plate; 304. Motor; 305. Rotating block; 306. First slide bar; 307. Counterweight block; 308. Compacting plate; 309. Second slide bar; 310. Baffle; 311. Air pump. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and embodiments of the present invention.

[0028] Example 1: Please refer to Figures 1 to 8 :

[0029] The present invention proposes a titanium ore magnetic separation and dust removal device, comprising: a bracket 1; the bracket 1 adopts an L-shaped rod structure, and the bracket 1 is provided with two groups, and the two groups of brackets 1 are symmetrically arranged on the left and right; a dust removal tower 3 is fixedly arranged on one side of the bracket 1; an airflow channel 101 with a rectangular cavity structure is fixedly arranged between the two groups of brackets 1, and a through-type rectangular through-slot structure is opened on the rear side of the airflow channel 101; a mounting frame 2 is fixedly arranged on the outer side of the bottom of the airflow channel 101; a rotating frame 3 is arranged in the middle of the inner side of the airflow channel 101; A blowing plate 103 with a rectangular plate structure is made of a foam plate material; a pull rope 104 is fixedly connected between the blowing plate 103 and the inner wall of the airflow channel 101; a first slide rail 106 is fixedly provided on the inner wall of the airflow channel 101; a rack 107 is slidably provided on the top of the first slide rail 106; a proximity switch 108 is fixedly provided on the rear side of the rack 107, and the proximity switch 108 passes through the rectangular through groove on the rear side of the airflow channel 101 and extends to the rear side of the airflow channel 101.

[0030] Among them, a filter plate 102 is fixedly installed on the inner side of the bottom of the airflow channel 101; a gear 105 is fixedly installed on the outer side of the rotating shaft of the blowing plate 103, and the gear 105 is meshed and connected with the rack 107; a group of second slide rails 109 are fixedly installed on both sides of the inner wall of the airflow channel 101.

[0031] Among them, the mounting frame 2 adopts a rectangular frame structure, and the interior of the mounting frame 2 adopts a hollow structure; the bottom of the mounting frame 2 is fixedly provided with a nozzle 201 in a rectangular array, and the nozzle 201 is connected to the interior of the mounting frame 2; a timing switch 202 is fixedly provided on the top of the rear side of the mounting frame 2, and the timing switch 202 is corresponding to the proximity switch 108; a pipe 203 is fixedly provided at the bottom of the mounting frame 2, and the impeller 115 is rotatably provided inside the pipe 203; a water pump 204 is fixedly connected to one end of the pipe 203, and the water pump 204 is electrically connected to the timing switch 202; a water storage bucket 205 is connected to the bottom of the water pump 204.

[0032] The specific usage and function of this embodiment are as follows:

[0033] In the process of continuously extracting dust through the air pump 311, if the amount of dust is small and the degree of dust is light, it will not cause blockage to the filter plate 102, thereby maintaining the passing effect of the filter plate 102. If the degree of dust is severe, simple ventilation can no longer make a good change in the working environment. In this case, a large amount of dust will block the filter plate 102, causing the permeability of the filter plate 102 to decrease, thereby reducing the wind force in the airflow channel 101. When the wind force in the airflow channel 101 decreases, the wind force will be insufficient to blow the blowing plate 103 upward to rotate and lift it up, thereby The blowing plate 103 rotates downward to a parallel state, and in the process, the gear 105 is synchronously driven to rotate, and the gear 105 drives the rack 107 to slide backward along the first slide rail 106, and synchronously drives the proximity switch 108 to approach the timing switch 202, so that the timing switch 202 is turned on, and the water pump 204 is turned on synchronously. The water pump 204 draws the water flow in the water storage barrel 205 into the interior of the mounting frame 2 through the pipe 203, and sprays dust through each group of nozzles 201, so as to achieve the purpose of further dust reduction, and it is convenient to use different dust reduction means according to the actual dust situation, thereby improving the dust reduction effect and reducing the waste of resources.

[0034] Embodiment 2:

[0035] As described in Example 1, please refer to Figures 1 to 8 :

[0036] Among them, a cleaning plate 110 with a rectangular plate structure is slidably arranged between the two groups of second slide rails 109, and a brush structure is arranged on the top of the cleaning plate 110; a connecting rod 111 with a cylindrical structure is fixedly arranged on the rear side of the cleaning plate 110; a connecting ring 112 is fixedly connected to the rear end of the connecting rod 111, and the connecting ring 112 adopts an internal hollow U-shaped block structure; a transmission rod 113 with a cylindrical structure is rotatably connected to the rear side of the airflow channel 101; a transmission block 114 is fixedly connected to the top end of the transmission rod 113, and a circular protrusion structure engaged with the connecting ring 112 is arranged at the front end of the transmission block 114; an impeller 115 is fixedly arranged at the bottom end of the transmission rod 113.

[0037] The specific usage and function of this embodiment are as follows:

[0038] When water flows into the mounting frame 2 through the pipe 203, the impeller 115 inside the pipe 203 is synchronously driven to rotate, and the transmission rod 113 is driven to rotate through the impeller 115, and the transmission rod 113 drives the transmission block 114 to rotate. During the rotation of the transmission block 114, through the connection state with the connecting ring 112, the connecting ring 112 and the connecting rod 111 are driven to slide back and forth along one side of the air flow channel 101, thereby synchronously driving the cleaning plate 110 to slide back and forth between the two sets of second slide rails 109, so as to achieve the purpose of synchronously cleaning the filter plate 102, so that the filter plate 102 can resume the passing effect, and then restore the ventilation effect of the air pump 311. When the airflow in the air flow channel 101 increases, the blowing plate 103 will be blown upward again, thereby driving the rack 107 to slide forward, so that the proximity switch 108 leaves the timing switch 202, so that the timing switch 202 closes automatically after running for a certain period of time, completing the entire dust reduction process.

[0039] Embodiment 3:

[0040] As described in Example 2, please refer to Figures 1 to 8 :

[0041] Among them, the dust removal tower 3 adopts a conical structure, and the dust removal tower 3 is connected to the air flow channel 101; a collecting barrel 301 is fixedly connected to the bottom of the dust removal tower 3, and the collecting barrel 301 adopts an internal hollow cylindrical structure, and a through-type circular through-groove structure is provided in the middle of the top of the collecting barrel 301; a group of top blocks 302 with a wedge-shaped block structure are fixedly provided on both sides of the inner bottom of the collecting barrel 301; a fixed plate 303 with an F-shaped plate structure is fixedly provided on one side of the collecting barrel 301, and a through-type circular through-groove structure is provided on the top of the fixed plate 303; a motor 304 is fixedly provided on one side of the fixed plate 303; a rotating block 305 with an S-shaped block structure is rotatably provided in the front side of the motor 304; a first sliding rod 306 with a cylindrical structure is slidably provided in the circular through-groove of the fixed plate 303, and The outer side of the first slide bar 306 is sleeved with a spring; a counterweight block 307 is fixedly set on the top of the first slide bar 306; a compacting plate 308 with a circular plate-shaped structure is fixedly set on the bottom end of the first slide bar 306, the outer wall of the compacting plate 308 is in contact with the inner wall of the collecting tube 301, and a through rectangular through groove structure is opened on both sides of the compacting plate 308, and a through circular through groove structure is opened in the middle of the top of the compacting plate 308; a group of second slide bars 309 with a cylindrical structure are slidably set on both sides of the top of the compacting plate 308, and a spring is sleeved on the outer side of the second slide bar 309; a group of baffles 310 with a semicircular plate-shaped structure are fixedly set on the inner ends of the two groups of second slide bars 309; an air pump 311 is fixedly connected to one side of the top of the dust removal tower 3, and the air pump 311 is connected to the air flow channel 101.

[0042] A method for magnetic separation and dust removal of titanium ore: a bracket 1 is set up on both sides of a magnetic separator device so that an air flow channel 101 can be located above the magnetic separator device. During the operation of the magnetic separator, an air pump 311 is started synchronously. The air pump 311 generates suction inside the air flow channel 101, and further collects and transports dust generated during the operation of the magnetic separator to a dust removal tower 3. The dust is decelerated and precipitated inside the dust removal tower 3, and finally falls into a collection barrel 301 through the bottom of the dust removal tower 3. After the dust particles fall into the collection barrel 301, they continue to pass through the middle of the top of the compacting plate 308. The circular slot falls to the bottom of the collecting cylinder 301, and then the motor 304 is started to drive the rotating block 305 to rotate. The rotating block 305 contacts the first slide bar 306 during the rotation, thereby pushing the first slide bar 306 upward, and the first slide bar 306 drives the compacting plate 308 to move upward along the inside of the collecting cylinder 301. When the rotating block 305 loses contact with the first slide bar 306 while continuing to rotate, the first slide bar 306 is pushed downward quickly by the gravity of the counterweight block 307 and the spring on the outside of the first slide bar 306, thereby driving the compacting plate 308 to move along the collecting cylinder 3 01 slides downward quickly. During the downward sliding process of the compacting plate 308, the outer ends of the second sliding bars 309 on both sides of the top of the compacting plate 308 will contact the two groups of top blocks 302 respectively, thereby pushing the two groups of second sliding bars 309 to slide inward along the top of the compacting plate 308, and driving the two groups of baffles 310 to contact and block and seal the circular slot in the middle of the top of the compacting plate 308, so that the dust particles at the bottom of the collecting tube 301 are compacted through the cooperation of the compacting plate 308 and the two groups of baffles 310, reducing the space occupied by the dust particles. At the same time, after the dust particles are compacted, the dust particles can be reduced. In order to prevent the flying dust from affecting the surrounding working environment during the dust particle cleaning process, when the rotating block 305 contacts the first slide bar 306 again and drives the first slide bar 306 and the compacting plate 308 to move upward, the second slide bar 309 is disengaged from the top block 302. Under the action of the spring on the outside of the second slide bar 309, the second slide bar 309 and the baffle 310 are reset, so that the dust particles can continue to fall through the slot in the middle of the top of the compacting plate 308 to the bottom of the compacting plate 308, and then carry out the next compaction process, thereby completing the entire dust collection and compaction process.

Claims

1. A titanium ore magnetic separation and dust removal equipment, characterized in that: include: The bracket (1) adopts an L-shaped rod structure, and the bracket (1) is provided with two groups in total, and the two groups of brackets (1) are symmetrically arranged on the left and right; a dust removal tower (3) is fixedly arranged on one side of the bracket (1); an airflow channel (101) with a rectangular cavity structure is fixedly arranged between the two groups of brackets (1), and a through-type rectangular through-groove structure is opened on the rear side of the airflow channel (101); a mounting frame (2) is fixedly arranged on the outside of the bottom of the airflow channel (101); a blowing plate (102) with a rectangular plate structure is rotatably arranged in the middle of the inner side of the airflow channel (101) 03), and the blowing plate (103) is made of a foam plate material; a pull rope (104) is fixedly connected between the blowing plate (103) and the inner wall of the airflow channel (101); a first slide rail (106) is fixedly provided on the inner wall of the airflow channel (101); a rack (107) is slidably provided on the top of the first slide rail (106); a proximity switch (108) is fixedly provided on the rear side of the rack (107), and the proximity switch (108) passes through a rectangular through slot on the rear side of the airflow channel (101) and extends to the rear side of the airflow channel (101); A filter plate (102) is fixedly arranged on the inner side of the bottom of the airflow channel (101); a gear (105) is fixedly arranged on the outer side of the rotating shaft of the blowing plate (103), and the gear (105) is meshingly connected with the rack (107); and a group of second slide rails (109) are fixedly arranged on both sides of the inner wall of the airflow channel (101); A cleaning plate (110) with a rectangular plate structure is slidably arranged between the two groups of the second slide rails (109), and a brush structure is arranged on the top of the cleaning plate (110); a connecting rod (111) with a cylindrical structure is fixedly arranged on the rear side of the cleaning plate (110); a connecting ring (112) is fixedly connected to the rear end of the connecting rod (111), and the connecting ring (112) adopts a U-shaped block structure with a hollow interior; A transmission rod (113) with a cylindrical structure is rotatably connected to the rear side of the airflow channel (101); a transmission block (114) is fixedly connected to the top of the transmission rod (113), and a circular protrusion structure engaging with the connection ring (112) is provided at the front end of the transmission block (114); an impeller (115) is fixedly provided at the bottom end of the transmission rod (113); The mounting frame (2) adopts a rectangular frame structure, and the interior of the mounting frame (2) adopts a hollow structure; the bottom of the mounting frame (2) is fixedly provided with nozzles (201) in a rectangular array, and the nozzles (201) are connected to the interior of the mounting frame (2); a time switch (202) is fixedly provided on the top of the rear side of the mounting frame (2), and the time switch (202) and the proximity switch (108) are arranged correspondingly; a pipeline (203) is fixedly provided on the bottom of the mounting frame (2) in communication, and the impeller (115) is rotatably arranged inside the pipeline (203); a water pump (204) is fixedly connected to one end of the pipeline (203), and the water pump (204) is electrically connected to the time switch (202); and a water storage bucket (205) is connected to the bottom of the water pump (204); An air pump (311) is fixedly connected to one side of the top of the dust removal tower (3), and the air pump (311) is connected to the air flow channel (101).

2. A titanium ore magnetic separation and dust removal device as claimed in claim 1, characterized in that: The dust removal tower (3) adopts a conical structure, and the dust removal tower (3) is connected to the air flow channel (101); a collecting cylinder (301) is fixedly connected to the bottom of the dust removal tower (3), and the collecting cylinder (301) adopts an internally hollow cylindrical structure, and a through-type circular through groove structure is opened in the middle of the top of the collecting cylinder (301); a group of top blocks (302) with a wedge-shaped block structure are fixedly arranged on both sides of the inner bottom of the collecting cylinder (301).

3. A titanium ore magnetic separation and dust removal device as claimed in claim 2, characterized in that: A fixing plate (303) with an F-shaped plate structure is fixedly arranged on one side of the collecting barrel (301), and a through circular through groove structure is opened on the top of the fixing plate (303); a motor (304) is fixedly arranged on one side of the fixing plate (303); a rotating block (305) with an S-shaped block structure is rotatably arranged on the front side of the motor (304); a first sliding rod (306) with a cylindrical structure is slidably arranged in the circular through groove of the fixing plate (303), and a spring is sleeved on the outer side of the first sliding rod (306).

4. A titanium ore magnetic separation and dust removal device as claimed in claim 3, characterized in that: A counterweight block (307) is fixedly provided at the top end of the first slide bar (306); a compacting plate (308) of a circular plate structure is fixedly provided at the bottom end of the first slide bar (306), the outer wall of the compacting plate (308) is in contact with the inner wall of the collecting cylinder (301), and a through rectangular through groove structure is provided on both sides of the compacting plate (308), and a through circular through groove structure is provided in the middle of the top of the compacting plate (308); a group of second slide bars (309) of a cylindrical structure are slidably provided on both sides of the top of the compacting plate (308), and a spring is sleeved on the outer side of the second slide bar (309); a group of baffles (310) of a semicircular plate structure are fixedly provided at the inner ends of the two groups of second slide bars (309).

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