CN209794169U

CN209794169U - Horizontal mixer

Info

Publication number: CN209794169U
Application number: CN201822208904.XU
Authority: CN
Inventors: 王博; 李卫民; 吕强; 张勇
Original assignee: Shaanxi Qinhan Hengsheng New Building Materials Technology Co Ltd
Current assignee: Shaanxi Qinhan Hengsheng New Building Materials Technology Co Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2019-12-17
Anticipated expiration: 2028-12-26

Abstract

The utility model relates to a horizontal mixer, which comprises a frame, a mixing drum provided with a feed inlet and a discharge pipe, a mixing shaft and a motor driving the mixing shaft to rotate, wherein a scraping plate used for scraping concrete is connected in the mixing drum in a sliding way; a reciprocating screw rod is arranged in the mixing drum, penetrates through the scraper and is in threaded fit with the scraper, and one end of the reciprocating screw rod is connected with a driving part; and a limiting assembly used for limiting the scraper to rotate along with the reciprocating screw rod in the circumferential direction is arranged between the scraper and the stirring cylinder. The driving part drives the reciprocating screw rod to rotate, and the annular scraper plate can do reciprocating linear motion in the mixing drum along the length direction of the mixing drum under the driving of the reciprocating screw rod and the limiting effect of the limiting assembly. The scraper blade can scrape off whole concrete on the churn inside wall at gliding in-process, and the concrete that is scraped off will be followed discharging pipe and put. Compared with the traditional method for manually treating the concrete in the mixing drum, the cleaning method has the advantages of higher efficiency and better cleaning effect.

Description

horizontal mixer

Technical Field

The utility model belongs to the technical field of the technique of concrete mixing and specifically relates to a horizontal mixer is related to.

Background

At present, the concrete stirring technology is mainly applied to the field of buildings and plays a very important role in the construction of buildings such as industry, agriculture, traffic, national defense, water conservancy, municipal administration and the like. The concrete mixer is a common machine utilizing the concrete mixing technology, and is a machine for mixing and stirring cement, gravel aggregate and water into a concrete mixture.

During the process that the concrete is stirred by the stirrer, the viscosity of the concrete is higher and higher; concrete because high viscosity often can be attached to the inner wall of churn, and the helical blade of stirring probably can't touch the wall, and the concrete stirring that will be attached to the inner wall is difficult to come down, even finish concrete unloading, the concrete that is attached to on the inner wall of mixer also is difficult for dropping, in case the concrete solidification back of attaching to on the inner wall of mixer, will influence the stirring efficiency of mixer, has reduced the stirring quality, consequently needs regularly to wash the inside of churn. Traditional manual cleaning, though the effect is better, the inside clearance of churn is very inconvenient, not only wastes time and energy, and the cleaning efficiency is very low.

SUMMERY OF THE UTILITY MODEL

the utility model aims at providing a horizontal mixer can clear up the inside concrete of churn more high-efficiently.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

A horizontal mixer comprises a frame, a mixing drum, a mixing shaft and a motor, wherein the mixing drum is installed on the frame and provided with a feeding hole and a discharging pipe; a reciprocating screw rod is arranged in the mixing drum along the length direction of the mixing drum, the reciprocating screw rod penetrates through the scraper and is in threaded fit with the scraper, and one end of the reciprocating screw rod is connected with a driving piece for driving the reciprocating screw rod to rotate; and a limiting assembly used for limiting the scraper to rotate along with the reciprocating screw rod in the circumferential direction is arranged between the scraper and the stirring cylinder.

By adopting the technical scheme, the driving part drives the reciprocating screw rod to rotate, and the annular scraper plate can do reciprocating linear motion in the mixing drum along the length direction of the mixing drum under the driving of the reciprocating screw rod and the limiting effect of the limiting assembly. The scraper blade can scrape off whole concrete on the churn inside wall at gliding in-process, and the concrete that is scraped off will be followed discharging pipe and put. Compared with the traditional method for manually treating the concrete in the mixing drum, the cleaning method has the advantages of higher efficiency and better cleaning effect.

The utility model discloses further set up to: the limiting assembly comprises a through hole which is formed in the scraper plate in a penetrating mode along the length direction of the mixing drum and a limiting column which is fixedly arranged inside the mixing drum and penetrates through the through hole, and the outer wall of the limiting column is tightly abutted to the inner wall of the through hole.

Through adopting above-mentioned technical scheme, spacing post and through-hole have restricted the slip direction of scraper blade effectively, make the slip post can only be along the churn length direction reciprocating linear motion, make the scraper blade can strike off the concrete on the churn inner wall more high-efficiently, spacing post and through-hole have given the scraper blade certain support and spacing two, make the scraper blade can be smooth realize sliding in the churn.

The utility model discloses further set up to: and a plurality of balls are embedded on the inner wall of the through hole, which is contacted with the limiting column in a rolling manner.

Through adopting above-mentioned technical scheme, the setting up of ball makes the sliding friction when through-hole inner wall and spacing post outer wall contact become the rolling friction of ball, has reduced the resistance between scraper blade and the spacing post, makes the scraper blade can slide more smoothly in the churn to the cleaning efficiency of concrete in the churn has been improved.

The utility model discloses further set up to: one end of the stirring shaft penetrates out of the stirring drum and is connected with an output shaft of the motor; one end of the reciprocating screw rod, which is close to the motor, also penetrates out of the mixing drum; the driving part comprises a driving wheel fixedly sleeved on one end of the stirring shaft penetrating through the stirring cylinder, a driven wheel fixedly sleeved on one end of the reciprocating screw rod penetrating through the stirring cylinder, and a conveying belt arranged between the driving wheel and the driven wheel.

Through adopting above-mentioned technical scheme, the motor drives (mixing) shaft and action wheel synchronous emergence rotation after the start, under the combined action of conveyer belt, will take place to rotate from the driving wheel, can drive reciprocal lead screw emergence rotation, and the linkage principle between (mixing) shaft and the reciprocal lead screw is simple, convenient operation, and has practiced thrift manufacturing cost. In addition, after concrete is unloaded, the motor drives the stirring shaft to rotate, so that concrete on the stirring shaft is separated, and a subsequent operator can clean the stirring shaft conveniently. The concrete is by the in-process of stirring in the churn, and annular scraper blade will also strike off the concrete on the churn inner wall, makes the concrete can obtain more abundant stirring.

The utility model discloses further set up to: an opening communicated with the interior of the mixing drum is formed in the side wall of the mixing drum, and a second sealing cover used for opening and closing the opening is rotatably connected to the mixing drum; the stirring cylinder is provided with a propping mechanism which tightly props the second sealing cover on the stirring cylinder; and a water tank and a high-pressure water pump connected with the water tank are arranged on the outer side of the mixing drum, and a water pipe for flushing clean water into the opening is connected to the high-pressure water pump.

Through adopting above-mentioned technical scheme, unload when the concrete and end, the operator opens the opening and starts high pressure water pump, stretches into the opening with the play water end of water pipe inside again to make the clear water wash the clearance to the concrete on churn inner wall and the (mixing) shaft, can further clear up the inside of churn, it is also very convenient in the operation simultaneously. After the cleaning is finished, an operator can enable the second sealing cover to be tightly propped against the stirring cylinder through the propping mechanism.

The utility model discloses further set up to: the abutting mechanism comprises a screw rod rotatably connected to the outer side wall of the mixing drum and a nut which is in threaded connection with the screw rod and used for pressing the second sealing cover on the mixing drum.

By adopting the technical scheme, after the second sealing cover is covered on the opening, an operator rotates the screw rod and the nut again, firstly, the nut is abutted to the second sealing cover, then, the nut is further rotated, the nut drives the second sealing cover to move towards the direction of the mixing drum together under the action of the threads, the abutting relation between the second sealing cover and the mixing drum is further strengthened, and the sealing performance between the second sealing cover and the mixing drum is strengthened.

The utility model discloses further set up to: and a circle of rubber pad is arranged on one side surface of the second sealing cover facing the mixing drum, and the rubber pad is arranged along the edge of the second sealing cover.

Through adopting above-mentioned technical scheme, because rubber self has elasticity, when the sealed lid of second pastes tightly on the churn outer wall, the rubber pad can take place deformation and fill up the gap between the sealed lid of second and the churn outer wall, has reduced the direct probability that flows from the gap between the sealed lid of second and the churn of concrete.

The utility model discloses further set up to: and two side surfaces of the scraper plate along the length direction of the mixing drum are provided with sharp scraping edges.

Through adopting above-mentioned technical scheme, the sharp sword of scraping has reduced area of contact between scraper blade and the concrete, has increased the pressure that the concrete received, makes the concrete on the churn inner wall more easily scraped.

To sum up, the utility model discloses a beneficial technological effect does:

1. The cleaning efficiency of the concrete in the mixing drum is higher, and the cleaning effect is better;

2. The concrete is stirred more fully in the stirring process;

3. The probability of concrete leakage is reduced, and the construction site is cleaner.

drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic view of a partial cross-sectional structure of the mixing drum of the present invention.

In the figure, 1, a frame; 2. a mixing drum; 3. a feed inlet; 4. a bolt; 5. a first sealing cover; 6. a discharge pipe; 7. a stirring shaft; 8. a motor; 9. an opening; 10. a first rotating shaft; 11. a second sealing cover; 12. a rubber pad; 13. a tightening mechanism; 131. a screw rod; 132. a nut; 14. a second rotating shaft; 15. a grip portion; 16. a high pressure water pump; 17. a water tank; 18. a water pipe; 19. a squeegee; 20. a scraping edge; 21. a drive mechanism; 211. a reciprocating screw rod; 212. a driving member; 2121. a driving wheel; 2122. a driven wheel; 2123. a conveyor belt; 213. a limiting component; 2131. a through hole; 2132. a limiting column.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a horizontal mixer, which comprises a frame 1, the welding machine is in frame 1 and the whole churn 2 that is the cask form, set up feed inlet 3 on churn 2, connect the first sealed lid 5 that is used for opening and close feed inlet 3 on feed inlet 3 through bolt 4, the welding is in churn 2 below and with the inside discharging pipe 6 that communicates of churn 2, rotate the (mixing) shaft 7 of connecting inside and one end of churn 2 and wearing out churn 2 in the connection, install in frame 1 and wear out the motor 8 that the one end of churn 2 was connected with (mixing) shaft 7, motor 8 passes through the cable and links to each other with the power (not shown in the figure).

Referring to fig. 1 and 2, an opening 9 communicated with the inside of the mixing drum 2 is formed in the side wall of the mixing drum 2, a second sealing cover 11 used for opening and closing the opening 9 is rotatably connected to the outer wall of the mixing drum 2 through a first rotating shaft 10, a circle of rubber gasket 12 is fixedly arranged on one side face, facing the mixing drum 2, of the second sealing cover 11, and the rubber gasket 12 extends along the edge of the second sealing cover 11. Three groups of abutting mechanisms 13 for pressing the second sealing cover 11 on the mixing drum 2 are further arranged on the outer wall of the mixing drum 2, and each abutting mechanism 13 comprises a screw rod 131 and a nut 132, wherein the screw rod 131 is rotatably connected to the outer wall of the mixing drum 2 through a second rotating shaft 14, and the nut 132 is in threaded connection with the screw rod 131. In order to facilitate the operator to rotate the nut 132, four holding portions 15 are welded to the nut 132, and the four holding portions 15 are uniformly distributed around the axis of the screw 131. A high-pressure water pump 16 and a water tank 17 are arranged on the outer side of the mixing drum 2, one end of the high-pressure water pump 16 is connected with the water tank 17, and a water pipe 18 is arranged at the other end of the high-pressure water pump 16. After the concrete feeding is finished, an operator opens the opening 9 and starts the high-pressure water pump 16, and clear water in the water tank 17 passes through the high-pressure water pump 16 and the water pipe 18, and finally washes and cleans the concrete on the inner wall of the mixing drum 2. After the cleaning is finished, the operator closes the opening 9 and rotates the screw 131, and then the second sealing plate abuts against the outer wall of the mixing drum 2 by rotating the nut 132.

Referring to fig. 3, a scraper 19 having an annular shape as a whole is disposed inside the mixing drum 2, and the scraper 19 can slide along the length direction of the mixing drum 2 and abut against the inner wall of the mixing drum 2. The two side surfaces of the scraper 19 along the length direction of the mixing drum 2 are fixedly connected with pointed scraping edges 20. The mixing drum 2 is further provided with a driving mechanism 21 for driving the scraper 19 to perform reciprocating linear motion along the same longitudinal direction as the mixing. The scraper 19 can do reciprocating linear motion in the mixing drum 2 through the driving mechanism 21, the concrete on the inner wall of the mixing drum 2 can be scraped by the scraper 19, and the subsequent scouring and cleaning of the inner wall of the mixing drum 2 by an operator are facilitated.

The driving mechanism 21 comprises a reciprocating screw rod 211 which is arranged inside the mixing drum 2 along the length direction of the mixing drum 2, the reciprocating screw rod 211 can be rotatably connected into the mixing drum 2 around the axis of the reciprocating screw rod 211, the reciprocating screw rod 211 vertically penetrates through the scraper 19 and is in threaded fit with the scraper 19, and one end of the reciprocating screw rod 211, which is close to the motor 8, penetrates out of the mixing drum 2; the driving mechanism 21 further comprises a driving part 212 arranged on the reciprocating screw rod 211 and used for driving the reciprocating screw rod 211 to rotate around the axis of the driving part, and a limiting component 213 arranged between the inner wall of the mixing drum 2 and the scraper 19 and used for limiting the scraper 19 to rotate along with the reciprocating screw rod 211 in the circumferential direction. The driving member 212 includes a driving wheel 2121 fixedly sleeved on one end of the stirring shaft 7 penetrating through the stirring drum 2, a driven wheel 2122 fixedly sleeved on one end of the reciprocating screw 211 penetrating through the stirring drum 2, and a conveyor belt 2123 arranged between the driving wheel 2121 and the driven wheel 2122 for linkage. After the concrete mixing, motor 8 starts the back and drives (mixing) shaft 7 and action wheel 2121 and take place rotatoryly, under conveyer belt 2123 and the linkage effect from driving wheel 2122, reciprocal lead screw 211 will take place rotatoryly around self axis, under spacing subassembly 213 and reciprocal lead screw 211's combined action, scraper blade 19 will be reciprocal linear motion in churn 2, and then strike off adnexed concrete on 2 inner walls of churn, the concrete on the (mixing) shaft 7 will also take place to drop at rotatory in-process simultaneously, make things convenient for follow-up operator to the clearance of 2 inner walls of churn and (mixing) shaft 7. In addition, the scraper 19 will scrape off the concrete on the inner wall of the mixing drum 2 during the mixing process of the concrete, so that the concrete is more fully mixed.

It should be noted that the reciprocating screw rod 211 is a form of a three-dimensional cam pair, and is represented by two thread grooves with the same thread pitch and opposite rotation directions. The two ends are connected by a transition curve. By the rotation of the reciprocating screw rod 211, the side surface of the spiral groove pushes a slide block (not shown in the figure) arranged in the spiral groove to do axial reciprocating motion, and further drives the scraper 19 to do reciprocating linear motion along the axial direction of the reciprocating screw rod 211.

The limiting component 213 comprises a circular through hole 2131 arranged on the scraper 19 along the length direction of the mixing drum 2 and a limiting column 2132 fixedly arranged in the mixing drum 2, wherein the limiting column 2132 extends along the length direction of the mixing drum 2 and penetrates through the through hole 2131, and the outer peripheral wall of the limiting column 2132 and the inner wall of the through hole 2131 are mutually abutted. Six balls (not shown in the figure) which are abutted against the outer wall of the limiting column 2132 are embedded in the inner wall of the through hole 2131 in a rolling mode, and the six balls (not shown in the figure) are uniformly distributed around the axis of the limiting column 2132.

The implementation principle of the embodiment is as follows: after the concrete in the mixing tank is mixed, the operator turns off the motor 8 and feeds the concrete. Finishing when the concrete unloading, the operator restarts motor 8 again and drives (mixing) shaft 7 rotatory, and the concrete on (mixing) shaft 7 drops a bit along with (mixing) shaft 7 rotates, is favorable to the operator to the clearance of (mixing) shaft 7. The stirring shaft 7 rotates and simultaneously drives the driving wheel 2121 to rotate, under the linkage action of the conveyor belt 2123 and the driven wheel 2122, the reciprocating screw rod 211 rotates around the axis of the reciprocating screw rod, the scraper 19 performs reciprocating linear motion in the stirring barrel under the combined action of the limiting component 213 and the reciprocating screw rod 211, and the scraper 19 scrapes off concrete on the inner wall of the stirring barrel 2 in the sliding process, so that the effect of cleaning the inner wall of the stirring barrel 2 is achieved. In addition, the operator can open the opening 9 and start the high-pressure water pump 16, and the clean water in the water tank 17 passes through the high-pressure water pump 16 and the water pipe 18, and finally washes and cleans the concrete on the inner wall of the mixing drum 2 and the mixing shaft 7.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a horizontal mixer, includes frame (1), install churn (2) that just is equipped with feed inlet (3) and discharging pipe (6) in frame (1), set up (mixing) shaft (7) inside churn (2) and be used for driving (mixing) shaft (7) rotatory motor (8), its characterized in that: a scraping plate (19) for scraping concrete on the inner wall of the mixing drum (2) is connected in the mixing drum (2) in a sliding mode along the length direction of the mixing drum (2), and the scraping plate (19) is annular as a whole; a reciprocating screw rod (211) is arranged in the mixing drum (2) along the length direction of the mixing drum (2), the reciprocating screw rod (211) penetrates through the scraper (19) and is in threaded fit with the scraper (19), and one end of the reciprocating screw rod (211) is connected with a driving piece (212) used for driving the reciprocating screw rod (211) to rotate; and a limiting component (213) used for limiting the scraper (19) to rotate along with the reciprocating screw rod (211) in the circumferential direction is arranged between the scraper (19) and the mixing drum (2).

2. A horizontal mixer according to claim 1, wherein: the limiting assembly (213) comprises a through hole (2131) which is formed in the scraper (19) in a penetrating manner along the length direction of the mixing drum (2) and a limiting column (2132) which is fixedly arranged in the mixing drum (2) and penetrates through the through hole (2131), wherein the outer wall of the limiting column (2132) is abutted against the inner wall of the through hole (2131).

3. A horizontal mixer according to claim 2, wherein: a plurality of balls are embedded in the inner wall, in contact with the limiting column (2132), of the through hole (2131) in a rolling mode.

4. a horizontal mixer according to claim 1, wherein: one end of the stirring shaft (7) penetrates through the stirring cylinder (2) and is connected with an output shaft of the motor (8); one end of the reciprocating screw rod (211) close to the motor (8) also penetrates out of the mixing drum (2); the driving part (212) comprises a driving wheel (2121) fixedly sleeved on one end of the stirring shaft (7) penetrating through the stirring cylinder (2), a driven wheel (2122) fixedly sleeved on one end of the reciprocating screw rod (211) penetrating through the stirring cylinder (2) and a conveying belt (2123) arranged between the driving wheel (2121) and the driven wheel (2122).

5. A horizontal mixer according to claim 1, wherein: an opening (9) communicated with the interior of the stirring drum (2) is formed in the side wall of the stirring drum (2), and a second sealing cover (11) used for opening and closing the opening (9) is rotatably connected to the stirring drum (2); the stirring cylinder (2) is provided with a propping mechanism (13) which tightly props the second sealing cover (11) on the stirring cylinder (2); a water tank (17) and a high-pressure water pump (16) connected with the water tank (17) are arranged on the outer side of the mixing drum (2), and a water pipe (18) for flushing clean water into the opening (9) is connected to the high-pressure water pump (16).

6. A horizontal mixer according to claim 5, wherein: the abutting mechanism (13) comprises a screw rod (131) rotatably connected to the outer side wall of the mixing drum (2) and a nut (132) in threaded connection with the screw rod (131) and used for pressing the second sealing cover (11) on the mixing drum (2).

7. The horizontal mixer of claim 6 wherein: a circle of rubber pad (12) is arranged on one side surface, facing the mixing drum (2), of the second sealing cover (11), and the rubber pad (12) is arranged along the edge of the second sealing cover (11).

8. A horizontal mixer according to claim 1, wherein: two side surfaces of the scraper (19) along the length direction of the mixing drum (2) are provided with sharp scraping edges (20).