A closed type automatic conveyor for cement raw materials

Abstract

The present invention discloses a closed type automatic conveyor for cement raw materials, which relates to the technical field of cement raw material transmission equipment, including a mounting platform, a lower end of the mounting platform is rotatably mounted with an electrically driven universal wheel, a supporting telescopic frame for fixing the mounting platform is provided near the lower end of the mounting platform near the universal wheel, a discharging mechanism for transmitting cement is fixedly installed on the upper end of the mounting platform, the discharging mechanism includes a feed hopper, and the feed hopper is fixedly mounted on the upper end of the mounting platform, a discharging barrel is fixedly mounted on the lower end of the feed hopper, and a discharging end of the discharging barrel is provided with a spliced and extended feeding mechanism, and the butt ends of the feeding mechanism and the discharging barrel are both provided with an angle-adjustable connecting mechanism, and the conveying direction and length of the cement raw material conveyor are adjusted by the connecting mechanism, so that the closed type automatic conveyor for cement raw materials can transmit different angles and distances of the transmission pipe during the process of transmitting cement raw materials, thereby meeting the conveying work of closed cement raw materials under different terrains.

Description

Technical Field

[0001] The invention relates to the technical field of cement raw material transmission equipment, in particular to a closed type automatic cement raw material conveyor. Background Art

[0002] A screw conveyor is a machine that uses a motor to drive the screw to rotate and push materials to achieve the purpose of conveying. It can convey materials horizontally, obliquely, or vertically, and has the advantages of simple structure, small cross-sectional area, good sealing, easy operation and maintenance, and convenient closed transportation. Screw conveyors are divided into two types of conveying methods: shafted screw conveyors and shaftless screw conveyors. In terms of appearance, they are divided into U-shaped screw conveyors and tubular screw conveyors.

[0003] A Chinese patent discloses a powder storage and conveying device (Announcement No. CN107512498A), which includes a storage bin, a flat screw conveyor, an inclined screw conveyor, an intermediate storage bin, and a conveying fluidizing pump. The flat screw conveyor is connected to one end of the inclined screw conveyor, and the other end of the inclined screw conveyor is located directly above the intermediate storage bin. The intermediate storage bin is connected to the storage bin and the conveying fluidizing pump via an exhaust pipe. A feed pipe is provided at the top of the storage bin, and the feed pipe is provided with multiple discharge ports. The powder storage and conveying device provided by this invention solves the problem of powder storage and conveying in situations where powder supply is in short supply. It also integrates powder storage and conveying, can store large quantities of cement, and can also be transported outwards on its own, which can well meet the needs of practical applications.

[0004] When the above-mentioned existing closed cement and raw material automatic conveyor transports cement, the closed belt conveyor is limited by the maximum allowable inclination angle when transporting at an angle, and the closed conveyor is not suitable for changing the conveying direction, which makes the conveyor unable to be used under complex terrain conditions, limiting the flexibility of the conveyor in spatial layout. Therefore, the present invention provides a closed cement raw material automatic conveyor to solve the above-mentioned problems. Summary of the Invention

[0005] The object of the present invention is to provide a closed type automatic cement raw material conveyor to solve the problem in the above background technology that the conveyor cannot be used under complex terrain conditions.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A closed automated conveyor for cement raw materials comprises a mounting platform, the lower end of which is rotatably mounted with an electrically driven universal wheel, a supporting telescopic frame for fixing the mounting platform is provided near the lower end of the mounting platform near the universal wheel, a discharging mechanism for transmitting cement is fixedly mounted on the upper end of the mounting platform, the discharging mechanism comprises a feed hopper, and the feed hopper is fixedly mounted on the upper end of the mounting platform, a discharging barrel is fixedly mounted on the lower end of the feed hopper, a discharging end of the discharging barrel is provided with a spliced and extended feeding mechanism, and the butt ends of the feeding mechanism and the discharging barrel are both provided with an angle-adjustable connecting mechanism.

[0008] As a further solution of the present invention, a driving motor is fixedly installed at one end of the discharging barrel, a driving auger rod is fixedly installed at the output end of the driving motor, and the driving auger rod is rotatably installed on the inner wall of the discharging barrel, and a driving gear is fixedly installed at the end of the driving auger rod away from the driving motor.

[0009] As a further solution of the present invention, the material transmission mechanism includes a material transmission barrel, and a material transmission auger rod is rotatably installed on the inner wall of the material transmission barrel, an insert block is fixedly installed on one end of the material transmission auger rod, a synchronous motor is fixedly installed on the outer wall of the material transmission barrel, a material transmission gear is fixedly installed on the output end of the synchronous motor, a material transmission ring is fixedly installed on the end of the material transmission auger rod close to the material transmission gear, and the material transmission ring is meshingly connected with the material transmission gear.

[0010] As a further solution of the present invention, the connecting mechanism includes a transfer cylinder, and the transfer cylinder is rotatably installed at the end of the discharging cylinder away from the driving motor. A waist groove is provided at the end of the transfer cylinder away from the discharging cylinder. A circular arc baffle is slidably installed on the outer wall of the transfer cylinder close to the waist groove, and a connecting cylinder is fixedly installed at the end of the circular arc baffle away from the transfer cylinder.

[0011] As a further solution of the present invention, a transmission rod is fixedly installed on the inner wall of the transmission cylinder, a transmission gear is fixedly installed on the end of the transmission rod away from the transmission cylinder, and the transmission gear is engaged with the driving gear, a connecting auger rod is rotatably installed in the connecting cylinder, a driven gear is fixedly installed on the end of the connecting auger rod close to the transmission gear, and the driven gear is engaged with the transmission gear.

[0012] As a further solution of the present invention, a protective cover is fixedly installed on the end of the transmission rod close to the transmission gear, and a connecting arc plate is slidably installed on the outer wall of the protective cover away from the driving auger rod. The connecting arc plate is rotatably installed on the end of the connecting auger rod close to the driven gear, and a rotating plug is fixedly installed on the end of the connecting auger rod away from the driven gear, a docking sleeve is fixedly installed on the end of the connecting tube away from the material transfer tube, and a docking ring is fixedly installed on the end of the material transfer tube close to the connecting tube.

[0013] As a further solution of the present invention, a rotating motor is fixedly installed on the outer wall of the transmission cylinder near the arc baffle, a rotating worm is fixedly installed on the output end of the rotating motor, an arc rack is fixedly installed on the side end of the arc baffle near the rotating worm, and the arc rack is meshingly connected with the rotating worm.

[0014] As a further solution of the present invention, an adjusting ring gear is fixedly installed on one end of the transfer cylinder close to the discharging cylinder, an adjusting motor is fixedly installed on one end of the discharging cylinder close to the adjusting ring gear, an adjusting worm is fixedly installed on the output end of the adjusting motor, and the adjusting ring gear is meshingly connected with the adjusting worm.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. When the present invention is used, the conveying direction and length of the cement raw material conveyor are adjusted through the connecting mechanism, so that the closed cement raw material automatic conveyor can convey the cement raw material at different angles and distances in the process of conveying the cement raw material, thereby meeting the conveying work of the closed cement raw material under different terrains.

[0017] 2. When the present invention is used, the closed cement raw material automatic conveyor collects and stores the cement raw materials in the transfer cylinder during the transmission process, which plays a role in segmented transmission and avoids excessive potential energy of the cement raw materials after the transmission position is raised. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of a closed automatic conveyor for cement raw materials.

[0019] Figure 2 This is a structural schematic diagram of the connecting mechanism in a closed automatic conveyor for cement raw materials.

[0020] Figure 3 This is a structural schematic diagram of the discharge barrel in a closed automatic conveyor for cement raw materials.

[0021] Figure 4 This is a structural diagram of the transfer barrel in a closed automatic conveyor for cement raw materials.

[0022] Figure 5 This is a structural schematic diagram of a docking sleeve in a closed automatic conveyor for cement raw materials.

[0023] Figure 6 This is a structural diagram of a synchronous motor in a closed automatic conveyor for cement raw materials.

[0024] Figure 7 This is a structural diagram of a transfer cylinder in a closed automatic conveyor for cement raw materials.

[0025] Figure 8 This is a structural diagram of a transmission rod in a closed automatic conveyor for cement raw materials.

[0026] Figure 9 This is a schematic diagram of the structure of the transmission gear in a closed automatic conveyor for cement raw materials.

[0027] In the figure: 1, mounting platform; 101, universal wheel; 102, supporting telescopic frame;

[0028] 2. Discharging mechanism; 201. Feed hopper; 202. Discharging cylinder; 203. Driving motor; 204. Driving auger; 205. Driving gear;

[0029] 3. Material transmission mechanism; 301. Material transmission cylinder; 302. Material transmission auger rod; 303. Insert block; 304. Material transmission ring gear; 305. Synchronous motor; 306. Material transmission gear; 307. Protective cover;

[0030] 4. Connecting mechanism; 401. Transfer cylinder; 402. Waist groove; 403. Arc baffle; 404. Connecting cylinder;

[0031] 405, transmission rod; 406, transmission gear; 407, connecting auger rod; 408, driven gear; 409, protective cover; 410, connecting arc plate; 411, rotating plug; 412, docking sleeve; 413, docking ring;

[0032] 414. Rotate the motor; 415. Rotate the worm; 416. Circular arc rack; 417. Adjust the ring gear; 418. Adjust the motor; 419. Adjust the worm;

[0033] 420, slide rail; 421, slide groove; 422, sealed bearing. DETAILED DESCRIPTION

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] See also Figures 1 to 9In an embodiment of the present invention, a closed type automatic conveyor for cement raw materials includes a mounting platform 1, a universal wheel 101 driven by electricity is rotatably mounted on the lower end of the mounting platform 1, a supporting telescopic frame 102 for fixing the mounting platform 1 is provided near the lower end of the universal wheel 101, the universal wheel 101 and the supporting telescopic frame 102 provided at the lower end of the mounting platform 1 make it more convenient to move the automatic conveyor to a suitable position, and a discharging mechanism 2 for transmitting cement is fixedly mounted on the upper end of the mounting platform 1, the discharging mechanism 2 includes a feed hopper 201, and the feed hopper 201 is fixedly mounted on the upper end of the mounting platform 1, and a discharging cylinder 202 is fixedly mounted on the lower end of the feed hopper 201, and a discharging cylinder 202 is provided at the discharging end of the discharging cylinder 202 with a spliced and extended feeding mechanism 3, and the butt ends of the feeding mechanism 3 and the discharging cylinder 202 are both provided with an angle-adjustable connecting mechanism 4 (please refer to Figure 1 , the butt joint end of the feeding mechanism 3 and the discharge barrel 202 is located at the right end), and the length of the feeding mechanism 3 is extended after docking through the connecting mechanism 4, and the connecting mechanism 4 can adjust the inclination angle of the connected feeding mechanism 3, so that the spliced and extended feeding mechanism 3 can be adjusted to cooperate with different terrains during the transmission process, thereby meeting the transportation work of closed cement raw materials under different terrains.

[0036] See also Figure 1 、 Figure 2 、 Figure 7 A driving motor 203 is fixedly installed at one end of the discharging barrel 202, and a driving auger rod 204 is fixedly installed at the output end of the driving motor 203. The driving motor 203 and the driving auger rod 204 arranged in the above-mentioned discharging barrel 202 are both existing technologies for sealed transmission of cement raw materials, and will not be elaborated here. The driving auger rod 204 is rotatably installed on the inner wall of the discharging barrel 202, and a driving gear 205 is fixedly installed at one end of the driving auger rod 204 away from the driving motor 203. When the driving motor 203 is started, the driving auger rod 204 starts to rotate in the discharging barrel 202, and the driving auger rod 204 transmits the cement raw materials to the other end of the discharging barrel 202.

[0037] See also Figure 2 、 Figure 4 、 Figure 6The feeding mechanism 3 includes a feeding barrel 301, and a feeding auger rod 302 is rotatably installed on the inner wall of the feeding barrel 301, and an insert block 303 is fixedly installed on one end of the feeding auger rod 302. A synchronous motor 305 is fixedly installed on the outer wall of the feeding barrel 301. The above-mentioned synchronous motor 305 is a prior art and will not be described in detail here. When the drive motor 203 starts working, the synchronous motor 305 follows the drive motor 203 to work synchronously, thereby reducing the workload of the drive motor 203. A feeding gear 306 is fixedly installed on the output end of the synchronous motor 305, and the feeding barrel 30 A protective cover 307 is provided on the outer wall near the feed gear 306. The protective cover 307 provided on the feed cylinder 301 protects the feed gear 306, thereby preventing the feed gear 306 from contacting with debris and causing damage. A feed ring gear 304 is fixedly mounted on one end of the feed auger rod 302 near the feed gear 306, and the feed ring gear 304 is meshed with the feed gear 306. When the synchronous motor 305 starts working, the feed gear 306 drives the feed ring gear 304 to rotate, causing the feed auger rod 302 to rotate, thereby transferring the cement raw material.

[0038] See also Figure 2 、 Figure 7 The connecting mechanism 4 includes a transfer cylinder 401, and the transfer cylinder 401 is rotatably installed at the end of the discharge cylinder 202 away from the drive motor 203, and the connection method of the connecting mechanism 4 to the transfer cylinder 301 is the same as the connection method with the discharge cylinder 202. The transfer cylinder 401 is provided with a waist groove 402 at the end away from the discharge cylinder 202. The waist groove 402 opened in the transfer cylinder 401 makes the material transfer in the transfer cylinder 401 more convenient. An arc baffle 403 is slidably installed on the outer wall of the transfer cylinder 401 close to the waist groove 402. The arc baffle 403 prevents the material in the transfer cylinder 401 from directly falling out of the transfer cylinder 401 through the waist groove 402. A connecting cylinder 404 is fixedly installed at the end of the arc baffle 403 away from the transfer cylinder 401. After adjusting the angular position of the arc baffle 403, the connecting cylinder 404 follows the arc baffle 403 and starts to move and rotate to a suitable position.

[0039] See also Figure 7-Figure 9A transmission rod 405 is fixedly installed on the inner wall of the transmission cylinder 401, and a transmission gear 406 is rotatably installed on the end of the transmission rod 405 away from the transmission cylinder 401, and the transmission gear 406 is meshed with the driving gear 205. A connecting auger rod 407 is rotatably installed in the connecting cylinder 404, and the auger direction of the driving auger rod 204 is opposite to that of the material transmission auger rod 302. A driven gear 408 is fixedly installed on the end of the connecting auger rod 407 close to the transmission gear 406. Although the side ends of the material transmission cylinder 301 are all provided with synchronous motors 305, if the environment permits, the use of synchronous motors 305 can be reduced, so that the driving motor 203 can drive the entire device to work, thereby playing a role. The driven gear 408 is meshed with the transmission gear 406, and the driving gear 205, the transmission gear 406, and the driven gear 408 are all configured as crown gears. When the connecting cylinder 404 rotates, the driven gear 408 starts to rotate around the gear ring of the transmission gear 406, so that the connecting cylinder 404 is still connected to the transmission gear 406 during rotation. At the same time, since the auger directions of the driving auger rod 204 and the material transmission auger rod 302 are opposite, when the driving auger rod 204 drives the connecting auger rod 407 to rotate through the transmission gear 406, the driving gear 205 and the driven gear 408, the material transmission auger rod 302 can continue to convey the cement material.

[0040] See also Figure 5 、 Figure 7 、 Figure 8 、 Figure 9The end of the transmission rod 405 close to the transmission gear 406 is fixedly installed with a protective cover 409, and the driving auger rod 204 rotates through the protective cover 409. The protective cover 409 is away from the outer wall of the driving auger rod 204 and is slidably installed with a connecting arc plate 410. The protective cover 409 and the connecting arc plate 410 provided on the transmission rod 405 prevent the cement raw materials in the transfer cylinder 401 from entering the protective cover 409, so that cement raw materials enter the gear connection and cause damage to the gear. The connecting arc plate 410 is rotatably installed on the end of the connecting auger rod 407 close to the driven gear 408, and a sealing bearing 422 is provided at the connection between the connecting arc plate 410 and the connecting auger rod 407 to reduce the friction seal. The end of the connecting auger rod 407 away from the driven gear 408 is fixedly installed with a rotating plug 411, and the rotating plug 411 is matched with the size of the plug block 303 installed at one end of the material transmission auger rod 302, so that the rotating plug 411 is docked and placed on the plug block 3 03, when the auger rod 204 is driven to mobilize the connecting auger rod 407 to rotate, the connecting auger rod 407 drives the material transfer auger rod 302 to start rotating through the plug, and the end of the connecting cylinder 404 away from the material transfer cylinder 301 is fixedly installed with a docking sleeve 412, and the end of the material transfer cylinder 301 close to the connecting cylinder 404 is fixedly installed with a docking ring 413, and the docking ring 413 fits with the docking sleeve 412. The above-mentioned docking ring 413 and the docking sleeve 412 are prior art and will not be repeated here. As described above, a plurality of slide rails 420 are arranged in an array on the outer wall of the docking ring 413, and a plurality of slide grooves 421 are arranged on the inner wall of the docking sleeve 412 to fit with the slide rails 420. When the slide rails 420 provided on the docking ring 413 are inserted into the slide grooves 421 provided in the docking sleeve 412, the docking ring 413 and the docking sleeve 412 will not rotate. The docking ring 413 is inserted into the docking sleeve 412, so that the docking ring 413 is fixed in the inner wall of the docking sleeve 412, thereby achieving the effect of sealing connection.

[0041] See also Figures 2 to 6 A rotating motor 414 is fixedly installed on the outer wall of the transfer cylinder 401 near the arc baffle 403, and a rotating worm 415 is fixedly installed on the output end of the rotating motor 414. An arc rack 416 is fixedly installed on the side end of the arc baffle 403 near the rotating worm 415, and the arc rack 416 is meshed with the rotating worm 415. When it is necessary to adjust the transmission rotation direction of the connecting cylinder 404, the rotating motor 414 is started, the rotating worm 415 starts to rotate, the arc rack 416 starts to rotate, and the arc baffle 403 starts to rotate and slide on the transfer cylinder 401, thereby rotating the connecting cylinder 404 to a suitable angle.

[0042] See also Figures 2 to 6The end of the transfer cylinder 401 close to the discharge cylinder 202 is fixedly installed with an adjusting gear ring 417, and the end of the discharge cylinder 202 close to the adjusting gear ring 417 is fixedly installed with an adjusting motor 418. The output end of the adjusting motor 418 is fixedly installed with an adjusting worm 419, and the adjusting gear ring 417 is meshed with the adjusting worm 419. When it is necessary to adjust the angle of the transfer cylinder 401, the adjusting motor 418 is started, the adjusting worm 419 starts to rotate, and the adjusting gear ring 417 starts to rotate, so that the transfer cylinder 401 starts to rotate in the adjustment direction. direction, thereby making it more convenient to rotate and adjust the transfer cylinder 401 to a suitable angle, and the above-mentioned adjusting gear ring 417 and arc rack 416 and adjusting worm 419 and rotating worm 415 make the adjusting motor 418 and rotating motor 414 drive the adjusting gear ring 417 and arc rack 416 to rotate, and the adjusting worm 419 and rotating worm 415 rotate. When the adjusting motor 418 and the rotating motor 414 are turned off, the adjusting worm 419 and the rotating worm 415 block the adjusting gear ring 417 and the arc rack 416 from rotating.

[0043] The working principle of the present invention is as follows: when cement raw materials need to be transported, the cement raw materials are placed in the feed hopper 201, so that the cement raw materials fall into the discharge barrel 202, the drive motor 203 is started, the auger rod 204 is driven to start rotating, and the cement raw materials that fall into the discharge barrel 202 begin to move to the transfer barrel 401. During the transportation process, the cement is docked with multiple transfer barrels 401 according to the transmission length, so that after the material falls into the transfer barrel 401, the material in the transfer barrel 401 is stored in the transfer barrel 401, so as to avoid the high transmission height during the transmission process, which causes the sealed transmission cement raw materials to squeeze the transmission pipeline when the height is increased, and play the role of segmented progressiveness to avoid excessive potential energy of the cement raw materials;

[0044] And during the transfer process, when the transfer length needs to be changed, the docking ring 413 provided on the transfer cylinder 301 is inserted into the docking sleeve 412 provided on the connecting cylinder 404 to extend the length of the transmission pipeline, the transfer cylinder 301 and the connecting cylinder 404 are docked and fixedly connected, the plug 303 installed at one end of the transfer auger rod 302 is inserted into the rotating plug 411, the docking ring 413 is inserted into the docking sleeve 412, the transfer cylinder 301 and the transfer auger rod 302 are fixedly connected, and the length of the pipeline for transferring cement raw materials is spliced and extended, thereby increasing the length of the sealed cement raw material transmission more conveniently;

[0045] At the same time, when the direction and angle of cement transfer need to be changed, the rotating motor 414 and the adjusting motor 418 are started, the rotating worm 415 starts to rotate, the arc rack 416 starts to rotate, the arc baffle 403 starts to rotate and slide on the transfer cylinder 401, the connecting cylinder 404 starts to rotate, the adjusting motor 418 drives the adjusting worm 419 to rotate, and the adjusting ring gear 417 starts to rotate, so that the transfer cylinder 401 starts to rotate in the adjustment direction, so that the multi-section spliced transfer cylinder 301 can meet the closed cement raw material transportation work under different terrains during the transfer process.

[0046] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A closed type cement raw material automatic conveyor, comprising a mounting platform (1), characterized in that: The lower end of the mounting platform (1) is rotatably mounted with an electrically driven universal wheel (101), and the mounting platform (1) is provided with a supporting telescopic frame (102) for fixing the mounting platform (1) near the lower end of the universal wheel (101). The upper end of the mounting platform (1) is fixedly mounted with a discharging mechanism (2) for conveying cement, and the discharging mechanism (2) includes a feed hopper (201), and the feed hopper (201) is fixedly mounted on the upper end of the mounting platform (1). The lower end of the feed hopper (201) is fixedly mounted with a discharging barrel (202), and the discharging end of the discharging barrel (202) is provided with a spliced and extended feeding mechanism (3), and the butt ends of the feeding mechanism (3) and the discharging barrel (202) are both provided with an angle-adjustable connecting mechanism (4); A driving motor (203) is fixedly mounted on one end of the discharge barrel (202), a driving auger rod (204) is fixedly mounted on the output end of the driving motor (203), and the driving auger rod (204) is rotatably mounted on the inner wall of the discharge barrel (202), and a driving gear (205) is fixedly mounted on one end of the driving auger rod (204) away from the driving motor (203); The material transmission mechanism (3) includes a material transmission cylinder (301), and a material transmission auger rod (302) is rotatably mounted on the inner wall of the material transmission cylinder (301), an insert block (303) is fixedly mounted on one end of the material transmission auger rod (302), a synchronous motor (305) is fixedly mounted on the outer wall of the material transmission cylinder (301), a material transmission gear (306) is fixedly mounted on the output end of the synchronous motor (305), a material transmission ring gear (304) is fixedly mounted on one end of the material transmission auger rod (302) close to the material transmission gear (306), and the material transmission ring gear (304) is meshedly connected with the material transmission gear (306); The connecting mechanism (4) includes a transfer cylinder (401), and the transfer cylinder (401) is rotatably mounted on one end of the discharge cylinder (202) away from the drive motor (203); a waist groove (402) is provided on the end of the transfer cylinder (401) away from the discharge cylinder (202); an arc baffle (403) is slidably mounted on the outer wall of the transfer cylinder (401) near the waist groove (402); and a connecting cylinder (404) is fixedly mounted on the end of the arc baffle (403) away from the transfer cylinder (401); A rotating motor (414) is fixedly mounted on the outer wall of the transfer cylinder (401) near the circular arc baffle (403), a rotating worm (415) is fixedly mounted on the output end of the rotating motor (414), and a circular arc rack (416) is fixedly mounted on the side end of the circular arc baffle (403) near the rotating worm (415), and the circular arc rack (416) is meshedly connected with the rotating worm (415); An adjusting ring gear (417) is fixedly mounted on one end of the transfer cylinder (401) close to the discharge cylinder (202), an adjusting motor (418) is fixedly mounted on one end of the discharge cylinder (202) close to the adjusting ring gear (417), an adjusting worm (419) is fixedly mounted on the output end of the adjusting motor (418), and the adjusting ring gear (417) is meshingly connected to the adjusting worm (419).

2. A closed type cement raw material automatic conveyor according to claim 1, characterized in that: A transmission rod (405) is fixedly mounted on the inner wall of the transmission cylinder (401), a transmission gear (406) is fixedly mounted on one end of the transmission rod (405) away from the transmission cylinder (401), and the transmission gear (406) is meshed with the driving gear (205), a connecting auger rod (407) is rotatably mounted in the connecting cylinder (404), a driven gear (408) is fixedly mounted on one end of the connecting auger rod (407) close to the transmission gear (406), and the driven gear (408) is meshed and connected with the transmission gear (406).

3. A closed type cement raw material automatic conveyor according to claim 2, characterized in that: A protective cover (409) is fixedly mounted on one end of the transmission rod (405) close to the transmission gear (406); a connecting arc plate (410) is slidably mounted on the outer wall of the protective cover (409) away from the driving auger rod (204); the connecting arc plate (410) is rotatably mounted on one end of the connecting auger rod (407) close to the driven gear (408); a rotating plug (411) is fixedly mounted on one end of the connecting auger rod (407) away from the driven gear (408); a docking sleeve (412) is fixedly mounted on one end of the connecting cylinder (404) away from the material transfer cylinder (301); and a docking ring (413) is fixedly mounted on one end of the material transfer cylinder (301) close to the connecting cylinder (404).

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