CN209937279U - A cleaning device for a single-horizontal shaft concrete mixer - Google Patents

Abstract

The utility model relates to the technical field of mixers, and discloses a cleaning device of a single horizontal shaft type concrete mixer, which comprises a frame, wherein a controller and a mixing tank are fixed on the upper end surface of the frame, a mixing shaft is arranged in the mixing tank, a driving motor is fixed on the upper end surface of the frame, a feed inlet is arranged on the upper end surface of the mixing tank, a discharge outlet is arranged at one end of the mixing tank, and a discharge door is hinged and connected outside the discharge outlet; the stirring shaft is inserted and connected with the screw rod in the circumferential direction, the cleaning disc is sleeved on the circumferential side of the screw rod, a through hole is formed in the cleaning disc, and a driving device used for driving the cleaning disc to advance along the rotation of the screw rod is arranged on one side of the cleaning disc. The rotatory clearance dish that gos forward scrapes the adnexed residual concrete of agitator inner wall cleaner, thoroughly, and the washing of cooperation rivers has improved workman's cleaning efficiency, makes the inner wall clearance of agitator cleaner, avoids the solidification of residual concrete to influence stirring effect at the agitator inner wall.

Description

A cleaning device for a single-horizontal shaft concrete mixer

technical field

The utility model relates to the technical field of mixers, in particular to a cleaning device for a single-horizontal shaft concrete mixer.

Background technique

There are many kinds of concrete mixers, which are divided into intermittent type and continuous type according to the working nature, self-falling type and forced type according to the mixing principle, fixed type and mobile type according to the installation method, tilting type and Non-overturning type, according to the structure of the mixing drum, it is divided into pear type, drum type, double cone, disc vertical shaft type and circular groove horizontal shaft type. In addition, the mixer is also divided into split barrel type and horizontal shaft type mixer.

Among them, the horizontal shaft mixer usually includes a horizontally arranged mixing barrel, a rotating stirring shaft, and a controller arranged on one side of the mixing barrel. It has the advantages of wide range of use, good stirring quality, high production efficiency and low energy consumption.

The Chinese patent with the patent publication number CN206357414U proposes a cement mixer, including a mixing box, the mixing box includes a box bottom, the box bottom is provided with a box wall, the box wall is provided with a box cover covering the box wall, and the box wall is provided with perpendicular to the box wall. A rotating shaft, the rotating shaft is connected with a motor that drives the rotating shaft to rotate, the rotating shaft is provided with a groove, the groove is threadedly connected with a disk, the disk is welded with a stirring rod, the box cover extends with a first protrusion, and the box wall extends out to be close to the first The second raised part of the raised part, the first raised part and the second raised part are connected by a plurality of bolts. Through the bolts at the bottom of the disc and the groove, the stirring rod and the disc can be removed and replaced, so as to avoid the poor stirring effect caused by the long use of the stirring rod.

The above-mentioned prior art solutions have the following defects: after the stirring is completed, the disassembled stirring rod can be cleaned in time, but the mixing bucket is not convenient for timely cleaning, and the residual concrete attached to the inner wall of the mixing bucket will eventually solidify in the mixing bucket. The inner wall of the barrel, resulting in poor subsequent stirring effect.

Utility model content

The purpose of the utility model is to provide a cleaning device for a single-horizontal shaft concrete mixer that can automatically scrape slag and clean it thoroughly.

The utility model is achieved through the following technical solutions:

A cleaning device for a single-horizontal shaft concrete mixer, comprising a frame, a controller and a mixing bucket are fixed on the upper end surface of the frame, a mixing shaft is rotatably arranged in the mixing bucket, and the upper end surface of the frame is located at the top of the frame. A drive motor for driving the stirring shaft to rotate is fixed between the stirring barrel and the controller, a feeding port is provided on the upper end surface of the stirring barrel, and an end of the stirring barrel away from the driving motor is provided with a feeding port. A discharge port, a discharge door is hingedly connected to the outside of the discharge port;

A screw rod is inserted on the peripheral side of the stirring shaft, and a cleaning disk for scraping concrete is sleeved on the peripheral side of the screw rod. A drive device for driving the cleaning disk to rotate and advance along the screw rod is provided on the side of the cleaning disk close to the discharge door.

By adopting the above technical solution, after the stirring is completed, the discharge door is opened, the stirring rod is removed from the stirring shaft, the screw rod is inserted into the stirring shaft, the cleaning plate is abutted on the inner wall of the stirring barrel, and the driving device drives the cleaning The disc rotates while making a linear motion along the length of the screw rod to scrape off the residue, and scrape off the residual concrete attached to the inner wall of the mixing tank more cleanly and thoroughly. At the same time, workers can spray water to wash the inner wall of the mixing tank through the feeding port, and cooperate with the scraping action of the cleaning plate, which improves the cleaning efficiency, makes the inner wall of the mixing tank cleaner, and avoids the influence of residual concrete solidification on the inner wall of the mixing tank. stirring effect.

It is further arranged that: the driving device includes a pull ring clamped on the side of the cleaning disk close to the discharge door, and the pull ring is coaxially arranged with the cleaning disk.

By adopting the above technical solution, the worker operates the pull ring to move linearly along the length direction of the screw rod, and drives the cleaning disk that is clamped with the pull ring to make a linear motion together. The screw is rotating as it advances,

It is further arranged as follows: the side of the pull ring close to the cleaning disk is fixed with an arc-shaped clamping block, and the side of the cleaning disk close to the arc-shaped clamping block is provided with a clamping and matching with the arc-shaped clamping block. Ring slot.

By adopting the above technical solution, when the pull ring moves linearly along the screw rod, the cleaning disk rotates and advances along the screw rod, and at the same time, the arc-shaped clamping block rotates in the annular groove, so that the pull ring and the cleaning disk are mutually clamped It does not detach, and the rotary motion of the cleaning disk does not affect the linear motion of the pull ring, which is convenient for workers to operate and control the pull ring.

It is further arranged that a pull rod is extended on a side of the pull ring away from the cleaning disk in a direction away from the cleaning disk, and the pull rod and the pull ring are hingedly connected.

By adopting the above technical solution, the worker makes the pull ring move linearly along the screw rod through the pull rod, and the operation is more convenient and humanized.

It is further arranged that a scraper is fixed on the peripheral side of the cleaning disk, and a plurality of slag passage holes are opened on the edge of the scraper.

By adopting the above technical solution, the scraper can scrape off the residual concrete attached to the inner wall of the mixing tank more cleanly and thoroughly, and the concrete scraped by the scraper away from the discharge port can enter the side close to the discharge port through the slag hole. Ease of discharge.

It is further set as follows: a feeding door is hingedly connected with the upper end face of the feeding port.

By adopting the above technical solution, during the cleaning process, the cleaning plate spirals forward, and the scraped concrete may splash out from the feeding port, causing pollution to the external environment. After the feeding door is closed, concrete splashing can be effectively avoided.

It is further arranged that a sealing ring is fixed on the side of the discharging door close to the screw rod.

By adopting the above technical solution, the sealing ring improves the sealing performance between the discharge door and the mixing barrel when the discharge door is closed.

It is further configured as follows: one end of the stirring shaft close to the discharge door is provided with a first threaded hole, and one end of the screw rod close to the discharge door is provided with a second thread corresponding to the first threaded hole The second threaded hole is provided with a fixing bolt threadedly connected with the first threaded hole.

By adopting the above technical solution, the screw rod is sleeved on the stirring shaft, the first threaded hole is aligned with the second threaded hole, the fixing bolt is tightened, and the screw rod is fixed on the stirring shaft to complete the installation of the screw rod. Loosen the fixing bolts and remove the screw rod from the stirring shaft in order to prepare for the installation of stirring.

To sum up, the beneficial technical effects of the present utility model are:

(1) The spirally advancing cleaning plate and the scraper make the inner wall of the mixing tank more clean and thorough;

(2) The combination of the arc-shaped block and the annular groove enables the linear motion of the pull ring to drive the cleaning disk to perform linear motion without affecting the rotation of the cleaning disk;

(3) The extended pull rod is convenient for workers to operate, and the design is more user-friendly.

Description of drawings

1 is a schematic diagram of the overall structure of a cleaning device for a single-horizontal shaft concrete mixer;

Fig. 2 is a sectional view along line A-A in Fig. 1;

Fig. 3 is a partial enlarged view of part B in Fig. 2;

Fig. 4 is a sectional view along line C-C in Fig. 1;

FIG. 5 is a partial enlarged view of part D in FIG. 2 .

Reference numerals: 1, frame; 2, controller; 3, mixing barrel; 4, mixing shaft; 5, driving motor; 6, feeding port; 7, discharging port; 8, discharging door; 9, screw Rod; 10, cleaning plate; 11, through hole; 12, pull ring; 13, arc block; 14, annular groove; 15, pull rod; 16, scraper; 17, slag hole; 18, feeding door; 19, sealing ring; 20, first threaded hole; 21, second threaded hole; 22, fixing bolt; 23, universal wheel.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIG. 1 , it is a cleaning device for a single-horizontal shaft concrete mixer disclosed by the present utility model, comprising a frame 1, and a plurality of universal wheels 23 are fixed on the bottom surface of the frame 1. Preferably, there are four universal wheels 23, respectively. Place on the four corners of the bottom surface of rack 1. The upper end surface of the frame 1 is respectively fixed with a controller 2 and a mixing barrel 3 at both ends, the axis of the mixing barrel 3 is set horizontally, and one end of the mixing barrel 3 close to the controller 2 is hingedly connected with a lifting rod on the peripheral side. It is plugged into the bottom frame, and the bottom frame is fixed with a cylinder for driving the lifting rod to rise and fall. After the stirring is completed, the controller 2 controls the lifting rod to rise and fall in the bottom frame through the cylinder, so as to realize the inclination of the mixing barrel 3 and discharge. A stirring shaft 4 is rotatably arranged in the stirring barrel 3. The stirring shaft 4 coincides with the axis of the stirring barrel 3. The outer wall of the stirring barrel 3 is fixed to a drive motor 5 (Fig. 2) for driving the stirring shaft 4 to rotate at one end close to the controller 2.

Referring to FIG. 1 , the upper end surface of the mixing barrel 3 is provided with a feeding port 6 near the driving motor 5 , and the feeding port 6 is in the shape of a funnel. One end of the mixing barrel 3 away from the driving motor 5 is provided with a discharge port 7, the discharge port 7 is circular, and the diameter of the inner wall of the mixing barrel 3 is equal to that of the inner wall of the mixing barrel 3. The end of the discharge port 7 away from the driving motor 5 is hingedly connected with a discharge door 8 , the side of the discharge door 8 close to the mixing barrel 3 is fixed with a sealing ring 19 to improve the sealing between the discharge door 8 and the mixing barrel 3 when the discharge door 8 is closed, and a handle is fixed on the side of the discharge door 8 away from the mixing barrel 3, It is convenient for workers to operate the discharging door 8 .

2 and 3, the first threaded hole 20 is provided at the end of the stirring shaft 4 close to the discharge door 8, and the stirring rod is sleeved on the peripheral side of the stirring shaft 4, and the length of the stirring rod is shorter than that of the stirring shaft 4, and the stirring rod is Two oppositely arranged helical blades are fixed on the peripheral side, the end of the stirring shaft 4 close to the discharge port 7 is provided with a third threaded hole, the inner thread of the third threaded hole is provided with a fixing bolt 22, and the stirring rod is fixed by the fixing bolt 22. on agitator shaft 4. The worker opens the feeding door 18, and after feeding into the mixing barrel 3, installs the stirring rod on the stirring shaft 4, and drives the motor 5 to drive the stirring shaft 4 to rotate, which drives the stirring rod and the spiral blade to rotate to realize the stirring function. After the stirring is completed, the materials are unloaded, the fixing bolts 22 are loosened, the stirring rod is removed from the stirring shaft 4, and the cleaning work of the stirring tank 3 is prepared.

2 and 3, a screw rod 9 is sleeved on the peripheral side of the stirring shaft 4, the length of the screw rod 9 is shorter than the length of the stirring shaft 4, and the end of the screw rod 9 close to the discharge port 7 is provided with two second threaded holes 21. The axes of the two second threaded holes 21 are coincident, and the inner threads of the second threaded holes 21 are provided with fixing bolts 22. After the screw rod 9 is sleeved on the peripheral side of the stirring shaft 4, the screw rod 9 is rotated so that the second threaded hole 21 is aligned with the first screw hole 20, the fixing bolt 22 is tightened, and the screw rod 9 is fixed on the stirring shaft 4 to realize the screw rod. Installation of rod 9.

1 and 4, a cleaning disk 10 is sleeved on the peripheral side of the screw rod 9, the cleaning disk 10 is cylindrical, and a through hole 11 that is rotatably matched with the screw rod 9 runs through the cleaning disk 10. The cross section of the through hole 11 It is consistent with the cross-sectional shape of the screw rod 9 . A scraper 16 is fixed on the peripheral side of the cleaning disc 10 . The scraper 16 is annular and has a triangular cross-section ( FIG. 5 ). The edge of the scraper 16 is provided with a plurality of slag passing holes 17 , and the slag passing holes 17 are arranged in a circular matrix along the edge of the scraper 16 .

Referring to FIG. 2 , a pull ring 12 is clamped on one side of the cleaning disk 10 close to the discharge door 8 , and the pull ring 12 is annular and arranged coaxially with the cleaning disk 10 . Principle of Pull Ring 12 One end of the cleaning disk 10 is hingedly connected with a pull rod 15 , and one end of the pull rod 15 away from the cleaning disk 10 is fixed with a pull ring 12 . Referring to FIGS. 4 and 5 , the side of the pull ring 12 close to the cleaning disc 10 is fixed with an arc block 13 . The arc block 13 is preferably two and arranged symmetrically about the axis of the pull ring 12 . The cross section is "T"-shaped, and the side of the cleaning disk 10 close to the pull ring 12 is provided with an annular clamping groove 14 that is engaged with the arc block 13, and the pull ring 12 is clamped in the cleaning disk 10 through the block to ensure two They are stuck with each other and cannot be separated from each other.

Referring to FIGS. 2 and 4 , the arc-shaped clamping block 13 is clamped in the annular clamping groove 14 , the worker pulls the pull rod 15 through the pull ring 12 to move along the length of the screw rod 9 , the pull rod 15 drives the pull ring 12 to move, and the pull ring 12 The cleaning disc 10 is driven to move by the arc-shaped blocking block 13 , and the through hole 11 cooperates with the rotation of the screw rod 9 , the cleaning disk 10 rotates and advances along the screw rod 9 , and at the same time the arc-shaped blocking block 13 rotates in the annular groove 14 , so that the rotary motion of the cleaning disk 10 does not affect the linear motion of the pull ring 12 .

The implementation principle and beneficial effect of this embodiment are:

After the stirring is completed, the discharge door 8 is opened, and the controller 2 controls the inclination of the stirring tank 3, so that after the material is discharged from the discharge port 7, the stirring rod is removed from the stirring shaft 4, and the screw rod 9 is inserted into the stirring shaft. On the shaft 4, align the second threaded hole 21 with the first threaded hole 20, and tighten the fixing bolt 22. The peripheral side of the screw rod 9 is sleeved with a cleaning disk 10. The worker operates the pull ring 12 through the pull rod 15 to make a linear motion along the length direction of the screw rod 9, and drives the cleaning disk 10 that is clamped with the pull ring 12 to make a linear motion together. The through hole 11 cooperates with the rotation of the screw rod 9 , so that the cleaning disc 10 also rotates while advancing along the screw rod 9 , thereby scraping off the residual concrete attached to the inner wall of the mixing drum 3 . The spirally advancing cleaning disk 10 cleans the inner wall of the mixing barrel 3 more cleanly and thoroughly. The cooperation of the arc block 13 and the annular card groove 14 makes the linear motion of the pull ring 12 and the rotation of the cleaning disk 10 independent of each other, and the extended setting The tie rod 15 is convenient for workers to operate, and the design is more user-friendly.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. A cleaning device for a single-horizontal shaft concrete mixer, comprising a frame (1), a controller (2) and a mixing barrel (3) are fixed on the upper end surface of the frame (1), and the mixing barrel ( 3) A stirring shaft (4) is arranged to rotate inside, and it is characterized in that: a drive motor (5) for driving the stirring shaft (4) to rotate is fixed in the controller (2), and the stirring barrel (3) A feeding port (6) is provided on the upper end face of the mixer, and a discharging port (7) is provided at the end of the stirring barrel (3) away from the driving motor (5), and the discharging port (7) is hingedly connected with Discharge door (8); A screw rod (9) is inserted on the peripheral side of the mixing shaft (4), and a cleaning disk (10) for scraping concrete is sleeved on the peripheral side of the screw rod (9). A through hole (11) that is rotatably matched with the screw rod (9) is opened, and a side of the cleaning disk (10) close to the discharge door (8) is provided with a flange for driving the cleaning disk (10). The screw rod (9) rotates and advances the driving device. 2. A cleaning device for a single-horizontal shaft concrete mixer according to claim 1, characterized in that: the driving device comprises a device clamped on the cleaning plate (10) close to the discharge door (8) A pull ring (12) on the side, the pull ring (12) is coaxially arranged with the cleaning disc (10). 3. A cleaning device for a single-horizontal shaft concrete mixer according to claim 2, characterized in that: an arc-shaped block ( 13), the cleaning disk (10) is provided with an annular clamping groove (14) which is engaged with the arc-shaped clamping block (13) on one side close to the arc-shaped clamping block (13). 4. A cleaning device for a single-horizontal shaft concrete mixer according to claim 3, characterized in that: the side of the pull ring (12) away from the cleaning disc (10) is away from the cleaning disc (10). A pull rod (15) is extended in the direction of 10), and the pull rod (15) and the pull ring (12) are hingedly connected. 5. A cleaning device for a single-horizontal shaft concrete mixer according to claim 1, characterized in that: a scraper (16) is fixed on the peripheral side of the cleaning plate (10), and the edge of the scraper (16) is A plurality of slag passing holes (17) are opened at the place. 6 . The cleaning device for a single-horizontal shaft concrete mixer according to claim 1 , wherein a feeding door ( 18 ) is hingedly connected to the upper end surface of the feeding port ( 6 ). 7 . 7 . The cleaning device for a single-horizontal shaft concrete mixer according to claim 1 , wherein a sealing ring ( 19 ) is fixed on the side of the discharge door ( 8 ) close to the screw rod. 8 . 8 . The cleaning device for a single-horizontal shaft concrete mixer according to claim 1 , wherein a first threaded hole ( 20), the end of the screw rod (9) close to the discharge door (8) is provided with a second threaded hole (21) corresponding to the first threaded hole (20). (21) A fixing bolt (22) threadedly connected with the first threaded hole (20) is pierced in the inside.

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