Dry-mixed mortar mixing machine

Abstract

The utility model relates to the technical field of mortar mixing equipment, in particular to a dry-mixed mortar mixing machine which comprises a support frame, a mixing drum fixedly connected to the upper part of the support frame, a mixing assembly arranged in the mixing drum, a sealing assembly arranged on a feed port at the upper end of the mixing drum, and a dust collection assembly connected to the upper part of the outer side wall of the mixing drum. By arranging the sealing assembly and the dust collection assembly, when the mixing machine works, a motor of the sealing assembly rotates to drive a lead screw to rotate, the lead screw can rotate in an inner threaded hole of a driving block, then the driving block drives sliding blocks at the two ends of a connecting plate to slide on two guide rods, and then folding cloth is pulled to be unfolded; when the mixing machine works, the upper end feeding port of the mixing drum is blocked, meanwhile, the dust collector can suck away dust generated during mixing in the mixing drum through the dust suction pipe, and through the sealing assembly and the dust suction assembly, the situation that the dust in the mixing drum floats out to pollute the working environment and the health of operators when the mixing machine works can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of mortar mixing equipment, in particular to a dry-mix mortar mixer. Background Art

[0002] Dry-mix mortar is a granular or powdered material made by physically mixing dried and sieved aggregates such as quartz sand, inorganic binders such as cement, and additives such as polymers in a specific proportion. It is delivered to the construction site in bags or bulk and can be used directly after adding water. Dry-mix mortar production requires uniform mixing of all components, which requires specialized mixing equipment.

[0003] Through searching, a twin-shaft dry-mix mortar mixer with publication number CN219132746U was found, which includes a shell and a stirring device. Two sets of stirring devices are rotatably connected in the shell. Both sets of stirring devices include a stirring shaft, a plurality of stirring arms installed on the stirring shaft, and a plurality of stirring blades installed on the stirring arms. The shell is formed by two arc plates connected together.

[0004] However, the upper feed port of the above-mentioned twin-shaft dry-mix mortar mixer is in an open state, and a large amount of dust is generated during the mixing process of the various components of the dry-mix mortar, which pollutes the working environment and affects the health of the workers. Utility Model Content

[0005] In response to the existing problems, the utility model provides a dry-mix mortar mixer to solve the problem mentioned in the background technology that the upper feed port of a twin-horizontal-shaft dry-mix mortar mixer is in an open state, and a large amount of dust will be generated during the mixing process of the various components of the dry-mix mortar, polluting the working environment and affecting the health of the workers.

[0006] In order to solve the existing problems, the utility model provides a dry-mix mortar mixer, including a support frame, a mixing drum fixedly connected to the upper part of the support frame, a mixing assembly provided in the mixing drum, a closing assembly provided on the upper end feed port of the mixing drum, and a dust collection assembly connected to the upper part of the outer wall of the mixing drum; the closing assembly includes guide rods installed on both sides of the feed port of the mixing drum, one end of the two guide rods is connected by a fixed rod, a slider is located on one side of the fixed rod and is slidably connected to the two guide rods, the two sliders are connected by a connecting plate, a folding cloth is connected between the connecting plate and the fixed rod, a driving block is connected to the middle upper part of the connecting plate, a lead screw is slidably connected in the driving block, the front and rear ends of the lead screw are respectively rotatably connected to the fixed plate, the lower end of the fixed plate is fixed to the outer wall of the feed port of the mixing drum, a motor is installed on the outer side of one of the fixed plates, and the output shaft of the motor is fixedly connected to one end of the lead screw; the dust collection assembly includes a dust collection pipe with one end connected to the upper part of the side wall of the mixing drum, and the lower part of the dust collection pipe is connected to a dust collector installed on the side of the support frame.

[0007] Furthermore, the stirring assembly includes a rotating shaft rotatably connected between the two ends of the stirring drum, a connecting block is provided on the rotating shaft, a connecting sleeve is sleeved on the connecting block, stirring paddles are fixedly connected at both ends of the connecting sleeve, one end of the rotating shaft passes through the side wall of the stirring drum and is connected to a transmission, and the side of the transmission away from the stirring drum is connected to a drive motor.

[0008] Furthermore, the connecting block and the connecting sleeve are connected by bolts.

[0009] Furthermore, the blades of the stirring paddles fixedly connected to both ends of each connecting sleeve are arranged with positive and negative inclinations respectively.

[0010] Furthermore, a crushing assembly is fixedly connected to both outer surfaces of the mixing drum, and the crushing assembly includes a mounting plate fixedly arranged on the two outer surfaces of the mixing drum, and a plurality of threaded holes are opened on the mounting plate, and a crushing rod with one end extending into the interior of the mixing drum is screwed on the threaded hole, and a spring gasket is provided at the root of the other end of the crushing rod.

[0011] Furthermore, a detachable side cover is provided at one end of the mixing drum away from the transmission, a connecting edge is provided on one side of the side cover and on the outer surface of the mixing drum, and the edge of the connecting edge is connected to the edge of the side cover by fastening bolts.

[0012] Furthermore, a discharge plate whose opening and closing is controlled by an oil cylinder is provided at the bottom of the mixing drum.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model is provided with a closing component and a dust collecting component. When the mixer is working, the motor of the closing component rotates to drive the screw to rotate, and the screw rotates in the internal threaded hole of the driving block, and then the driving block drives the sliders at both ends of the connecting plate to slide on the two guide rods, thereby pulling the folded cloth to unfold and blocking the upper end feed port of the mixing drum. At the same time, the vacuum cleaner will also suck away the dust generated during stirring in the mixing drum through the dust collection pipe. Through the above-mentioned closing component and dust collecting component, the dust in the mixing drum can be prevented from floating out when the mixer is working, polluting the working environment and the health of the operators.

[0015] 2. The utility model provides a stirring assembly, and the connecting sleeve of the stirring assembly is connected to the connecting block by bolts. When the stirring paddle is damaged, the bolts can be removed for replacement and repair; by providing a connecting edge and a side cover connected by fastening bolts, the side cover can be removed by removing the bolts, which can facilitate the inspection and maintenance of the inside of the mixing drum.

[0016] 3. The utility model provides a crushing assembly. When the stirring paddle stirs the components of the dry mortar, the crushing rods installed on the mounting plate can crush the agglomerated materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 The overall structure of the utility model is shown in FIG. Figure 3 ;

[0020] Figure 4 This is a schematic diagram of the structure of the stirring assembly of the present utility model;

[0021] Figure 5 This is a schematic diagram of the closed component structure of the utility model Figure 1 ;

[0022] Figure 6 This is a schematic diagram of the closed component structure of the utility model Figure 2 ;

[0023] Figure 7 This is a schematic diagram of the mounting plate and crushing rod structure of the utility model;

[0024] In the figure: 1. Support frame; 2. Mixing drum; 201. Connecting edge; 3. Mixing assembly; 301. Rotating shaft; 302. Connecting block; 303. Connecting sleeve; 304. Mixing paddle; 305. Transmission; 306. Driving motor; 4. Closing assembly; 401. Guide rod; 402. Fixing rod; 403. Sliding block; 404. Connecting plate; 405. Folding cloth; 406. Driving block; 407. Lead screw; 408. Fixing plate; 409. Motor; 5. Dust collection assembly; 501. Dust collection pipe; 502. Dust collector; 6. Bolt; 7. Crushing assembly; 701. Mounting plate; 702. Threaded hole; 703. Crushing rod; 8. Side cover; 9. Fastening bolt; 10. Oil cylinder; 11. Discharging plate DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0026] See also Figure 1-7 , a dry-mix mortar mixer includes a support frame 1, a mixing drum 2 is fixedly connected to the upper part of the support frame 1, a mixing assembly 3 is arranged in the mixing drum 2, a closing assembly 4 is arranged on the upper end feed port of the mixing drum 2, and a dust collection assembly 5 is connected to the upper part of the outer wall of the mixing drum 2; the closing assembly 4 includes guide rods 401 installed on both sides of the feed port of the mixing drum 2, one end of the two guide rods 401 is connected by a fixed rod 402, and a slider 403 is located on one side of the fixed rod 402 and is slidably connected to the two guide rods 401, and the two sliders 403 are connected by a connecting plate 404, and the connecting plate 404 and the fixed A folded cloth 405 is connected between the rods 402, and a driving block 406 is connected to the middle upper part of the connecting plate 404. A screw 407 is slidably connected inside the driving block 406. The front and rear ends of the screw 407 are rotatably connected to the fixed plate 408 respectively. The lower end of the fixed plate 408 is fixed to the outer wall of the feed port of the mixing drum 2. A motor 409 is installed on the outer side surface of one of the fixed plates 408, and the output shaft of the motor 409 is fixedly connected to one end of the screw 407; the dust collection component 5 includes a dust collection pipe 501 with one end connected to the upper part of the side wall of the mixing drum 2, and the lower part of the dust collection pipe 501 is connected to a dust collector 502 installed on the side of the support frame 1.

[0027] Among them, the stirring assembly 3 includes a rotating shaft 301 rotatably connected between the two ends of the mixing drum 2, a connecting block 302 is provided on the rotating shaft 301, a connecting sleeve 303 is sleeved on the connecting block 302, and stirring paddles 304 are fixedly connected at both ends of the connecting sleeve 303. One end of the rotating shaft 301 passes through the side wall of the mixing drum 2 and is connected to a transmission 305, and the side of the transmission 305 away from the mixing drum 2 is connected to a drive motor 306.

[0028] The connecting block 302 and the connecting sleeve 303 are connected by bolts 6 .

[0029] refer to Figure 4 By setting the connecting block 302, the connecting sleeve 303 and the bolt 6, when the stirring paddle 304 on the connecting sleeve 303 is damaged and needs to be replaced, the bolt 6 can be removed to quickly and conveniently separate the connecting sleeve 303 and the stirring paddle 304 from the connecting block 302, making replacement and maintenance convenient.

[0030] The blades 3041 of the stirring paddle 304 fixedly connected at both ends of each connecting sleeve 303 are respectively arranged to be tilted forward and backward.

[0031] Among them, the two outer surfaces of the mixing drum 2 are fixedly connected with a crushing assembly 7, which includes a mounting plate 701 fixedly arranged on the two outer surfaces of the mixing drum 2. A plurality of threaded holes 702 are opened on the mounting plate 701. A crushing rod 703 with one end extending into the interior of the mixing drum 2 is screwed on the threaded hole 702, and a spring gasket is provided at the root of the other end of the crushing rod 703.

[0032] It should be noted that the crushing rod 703 and the stirring paddle 304 are arranged in a staggered manner, so that the stirring paddle 304 will not touch the crushing rod 703 when rotating.

[0033] Among them, a removable side cover 8 is provided at one end of the mixing drum 2 away from the transmission 305, and a connecting edge 201 is provided on one side of the side cover 8 and on the outer surface of the mixing drum 2. The edge of the connecting edge 201 is connected to the edge of the side cover 8 by a fastening bolt 9.

[0034] The bottom of the mixing drum 2 is provided with a discharge plate 11 whose opening and closing is controlled by an oil cylinder 10 .

[0035] Working principle: Before work, the various components of the dry-mixed mortar are first added into the feed port at the upper end of the mixing drum 2. After the various components are added, the motor 409 is started. The rotation of the motor 409 will drive the screw 407 connected to its output shaft to rotate, and the screw 407 will rotate in the internal threaded hole of the driving block 406, thereby causing the driving block 406 to move on the screw 407. At the same time, the screw 407 will also drive the sliders 403 at both ends of the connecting plate 404 to move on the guide rod 401, and then the connecting plate will pull the folding cloth 405 to unfold and close the feed port of the mixing drum 2, and then start the driving motor 306. The rotation of the driving motor 306 will drive the rotating shaft 301 to rotate through the transmission 305, and then the rotating shaft 301 will drive the stirring paddle 304 to rotate to stir and mix the various components. During the stirring and mixing process, the agglomerated raw materials will be sprayed with the tip of the breaking rod 703 when being moved by the stirring paddle 304, thereby breaking the agglomerated raw materials.

[0036] When stirring begins, the vacuum cleaner 502 of the dust collection component 5 is started, and the vacuum cleaner 502 will suck the dust generated by the mixing drum 2 into the vacuum cleaner through the dust collection pipe 501 to prevent the dust from floating out of the discharge port of the mixing drum 2 when the closed component is opened again. After the raw materials of each component are mixed, the oil cylinder 10 can be opened to control the discharge plate 11 at the bottom of the mixing drum 2 to open, and the mixed dry-mixed mortar can be bagged and packaged.

[0037] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A dry mortar mixer, comprising a support frame (1), wherein a mixing drum (2) is fixedly connected to the upper portion of the support frame (1), characterized in that: A stirring assembly (3) is provided in the stirring drum (2), a sealing assembly (4) is provided on the upper feed port of the stirring drum (2), and a dust collecting assembly (5) is connected to the upper portion of the outer wall of the stirring drum (2); The closing assembly (4) comprises guide rods (401) mounted on both sides of the feed port of the mixing drum (2), one end of the two guide rods (401) being connected via a fixed rod (402), a slider (403) being located on one side of the fixed rod (402) and slidably connected to both guide rods (401), the two sliders (403) being connected via a connecting plate (404), a folded cloth (404) being connected between the connecting plate (404) and the fixed rod (402), 5), the middle upper portion of the connecting plate (404) is connected to a driving block (406), a lead screw (407) is slidably connected inside the driving block (406), the front and rear ends of the lead screw (407) are rotatably connected to the fixed plate (408), the lower end of the fixed plate (408) is fixed to the outer wall of the feed port of the mixing drum (2), a motor (409) is installed on the outer side surface of one of the fixed plates (408), and the output shaft of the motor (409) is fixedly connected to one end of the lead screw (407); The dust collection assembly (5) comprises a dust collection pipe (501) with one end connected to the upper portion of the side wall of the mixing drum (2), and the lower portion of the dust collection pipe (501) is connected to a dust collector (502) mounted on the side of the support frame (1).

2. A dry-mix mortar mixer according to claim 1, characterized in that: The stirring assembly (3) comprises a rotating shaft (301) rotatably connected between the two ends of the stirring drum (2); a connecting block (302) is provided on the rotating shaft (301); a connecting sleeve (303) is sleeved on the connecting block (302); stirring paddles (304) are fixedly connected to both ends of the connecting sleeve (303); one end of the rotating shaft (301) passes through the side wall of the stirring drum (2) and is connected to a transmission (305); and a driving motor (306) is connected to the side of the transmission (305) away from the stirring drum (2).

3. The dry-mix mortar mixer according to claim 2, characterized in that: The connecting block (302) and the connecting sleeve (303) are connected via bolts (6).

4. The dry-mix mortar mixer according to claim 3, characterized in that: The blades (3041) of the stirring paddles (304) fixedly connected to both ends of each connecting sleeve (303) are respectively arranged with positive and negative tilts.

5. The dry-mix mortar mixer according to claim 1, characterized in that: A crushing assembly (7) is fixedly connected to both outer surfaces of the mixing drum (2), and the crushing assembly (7) comprises a mounting plate (701) fixedly arranged on the two outer surfaces of the mixing drum (2), a plurality of threaded holes (702) are formed on the mounting plate (701), a crushing rod (703) having one end extending into the interior of the mixing drum (2) is screwed onto the threaded hole (702), and a spring washer is sleeved at the root of the other end of the crushing rod (703).

6. The dry-mix mortar mixer according to claim 1, characterized in that: A detachable side cover (8) is provided at one end of the mixing drum (2) away from the transmission (305), a connecting edge (201) is provided on one side of the side cover (8) and on the outer surface of the mixing drum (2), and an edge of the connecting edge (201) is connected to an edge of the side cover (8) via a fastening bolt (9).

7. The dry-mix mortar mixer according to claim 1, characterized in that: A discharge plate (11) whose opening and closing is controlled by an oil cylinder (10) is provided at the bottom of the mixing drum (2).

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