CN217704013U

CN217704013U - Concrete mixer

Info

Publication number: CN217704013U
Application number: CN202221614542.4U
Authority: CN
Inventors: 侯杰; 危超; 石俊鹏; 刘纪臣; 张健; 郭鹏飞
Original assignee: Zhengzhou Xuankang Concrete Co ltd
Current assignee: Zhengzhou Xuankang Concrete Co ltd
Priority date: 2022-06-25
Filing date: 2022-06-25
Publication date: 2022-11-01
Anticipated expiration: 2032-06-25

Abstract

The utility model relates to a concrete mixing equipment's field, especially, relate to a concrete mixer, it includes a jar body, locate inlet pipe and the discharging pipe of jar body top and bottom respectively, locate jar internal (mixing) shaft, connect in a plurality of stirring leaves of stirring epaxial, the (mixing) shaft top is rotated and is worn to locate jar body top and be connected with drive assembly, seted up the cavity in the (mixing) shaft and be equipped with the two-way screw lead screw, the positive thread section and the negative thread section of two-way screw lead screw thread have the drive ring in screw-thread fit respectively, be equipped with clearance spare on the (mixing) shaft, clearance spare is including connecting in the epaxial slide bar of stirring, the sleeve on the slide bar is located to the cover, connect the clearance pole of (mixing) shaft one end is kept away from to the sleeve, set up the spout that the (mixing) shaft perisporium is located both sides about the slide bar respectively and is linked together with the cavity, connect in the slider of drive ring and sliding connection in the spout, both ends articulate respectively in slider and telescopic regulation pole. This application has the remaining effect of the internal concrete of reduction jar.

Description

Concrete mixer

Technical Field

The application relates to the field of concrete mixing equipment, in particular to a concrete mixer.

Background

Concrete is a general term for engineering composite material formed by cementing aggregate into a whole by cementing material, and the term concrete generally refers to cement concrete which is prepared by mixing cement as cementing material, sand and stone as aggregate and water (containing admixture and admixture) according to a certain proportion and stirring, and is also called common concrete, and is widely applied to civil engineering

The in-process at construction often need use the concrete, and untreated concrete need stir with agitating unit and just can use, but present concrete can be attached to the inner wall of concrete mixer when the stirring, leads to discharging completely at concrete exhaust in-process, can adsorb in the mixer and solidify, and along with the accumulation of time, the concrete of adhesion can be more and more on the mixer inner wall, consequently needs the improvement.

Disclosure of Invention

In order to reduce the concrete residue in the jar body, this application provides a concrete mixer.

The application provides a pair of concrete mixer adopts following technical scheme:

the utility model provides a concrete mixer, includes a jar body, locates respectively inlet pipe and discharging pipe of jar body top and bottom, coaxial locating the internal (mixing) shaft of jar, connect in a plurality of stirring leaves of (mixing) shaft, the (mixing) shaft top is rotated and is worn to locate jar body top is connected with drive assembly, seted up the cavity and be equipped with the two-way screw lead screw in the (mixing) shaft, two-way screw lead screw both ends rotate respectively connect in cavity both ends chamber wall and top are rotated and are worn to locate (mixing) shaft and be connected with the drive block, the regular thread section and the reverse thread section of two-way screw lead screw are respectively screw-thread fit with the drive ring and slide to inlay and locate in the cavity, be equipped with clearance spare on the (mixing) shaft, clearance spare including connect in (mixing) epaxial slide bar, cover locate sleeve on the slide bar, connect in the sleeve keep away from the clearance pole of (mixing) one end, (mixing) shaft perisporium be located respectively the slide bar about both sides and with the spout that the cavity is linked together, connect in drive ring and sliding connection in slider in the spout, both ends articulate respectively in the slider with telescopic regulation pole, go up the cover is equipped with the (mixing shaft, the separation shell, the spout with the separation shell, the separation shell all is located with the regulation pole.

Through adopting above-mentioned technical scheme, the concrete gets into the jar internally from the inlet pipe, drive assembly drive (mixing) shaft drives the stirring leaf and stirs the concrete, discharge from the discharging pipe after the stirring is accomplished, after the concrete mixing is accomplished, it rotates to drive two drive rings through drive block drive two-way screw lead screw, two-way screw lead screw rotate and drive two drive rings and move in opposite directions, drive sleeve along its axial motion through adjusting the pole during drive ring removal, promote clearance pole butt in jar internal side wall, then drive assembly drive (mixing) shaft drives clearance pole and rotates once more, scrape the concrete of adhesion on the internal side wall of jar, reduce the remaining in the jar body when concrete is discharged, before stirring the concrete once more simultaneously, can reverse two-way screw lead screw earlier, withdraw clearance pole to the (mixing) shaft department, it sets up to be the interval between its and the internal side wall of jar, reduce the friction loss, avoid influencing the clearance effect, the housing that sets up can prevent that the concrete from flowing into spout and cavity, thereby arouse the jam.

Preferably, the driving assembly comprises a worm wheel sleeved on the stirring shaft, a worm mounted at the top of the tank body and meshed with the worm wheel, and a driving motor mounted at the top of the tank body and having an output shaft connected with one end of the worm.

By adopting the technical scheme, the driving motor drives the worm to drive the worm wheel to rotate, and the worm drives the stirring shaft to rotate together when rotating.

Preferably, the top and the bottom of the cleaning rod are connected with the stirring shaft through telescopic rods, and the telescopic rods comprise insertion rods connected to the circumferential wall of the stirring shaft and insertion cylinders connected to the cleaning rod and slidably sleeved on the insertion rods.

Through adopting above-mentioned technical scheme, the telescopic link that sets up improves the stability of clearance pole in the use.

Preferably, the cross-section of clearance pole is fan-shaped setting, clearance pole outer fringe can laminate in completely jar internal side wall.

Through adopting above-mentioned technical scheme, improve the clearance pole in the clearance process to the clearance effect of jar internal side wall.

Preferably, the cleaning pieces are circumferentially arranged around the stirring shaft to form a plurality of groups.

Through adopting above-mentioned technical scheme, the multiunit clearance subassembly that sets up clears up jar internal wall in proper order, improves the clearance effect and the efficiency of clearance to jar internal side wall.

Preferably, the inner wall of the bottom of the tank body is in a downward-sunken conical shape, and the discharge pipe is communicated with the center of the bottom of the tank body.

Through adopting above-mentioned technical scheme, the outflow of the concrete of being convenient for reduces the residue of jar body bottom.

Preferably, the bottom end of the cleaning rod is connected with a scraper for cleaning the inner wall of the bottom of the tank body.

Through adopting above-mentioned technical scheme, can clear up jar body bottom inner wall, reduce jar remaining of body bottom inner wall.

Preferably, the jar body includes that the top is uncovered jar body, detains and locates the cover at jar body top, the cover with be equipped with a plurality of connecting pieces between the jar body and connect, the connecting piece include fixed connection in L shape connecting block, the screw-thread fit of jar body perisporium with the bolt of L shape connecting block, set up in the cover outer fringe supplies the draw-in groove that the bolt was pegged graft.

Through adopting above-mentioned technical scheme, detachable can body and cover are convenient for install and dismantle the change to being located jar internal (mixing) shaft, stirring leaf, clearance piece etc..

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two driving blocks are driven to move in opposite directions through rotation of the bidirectional threaded screw rod, the driving blocks drive the sleeve and the cleaning rod to abut against or be far away from the inner side wall of the tank body through the adjusting rod, the cleaning rod is far away from the inner side wall of the tank body during concrete stirring, and the cleaning rod abuts against the inner side wall of the tank body during concrete discharging, so that unnecessary abrasion of the cleaning rod is reduced;

2. the inner wall of the bottom of the conical tank body which is recessed downwards is beneficial to the outflow of concrete;

3. the detachable tank body and the tank body are convenient for mounting, dismounting and replacing the stirring shaft, the stirring blade, the cleaning piece and the like in the tank body.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a sectional view showing the entire structure of the present embodiment;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Description of the reference numerals: 1. a tank body; 2. a can body; 3. a can lid; 4. a connecting member; 5. supporting legs; 6. a feed pipe; 7. a discharge pipe; 8. an on-off valve; 9. a stirring shaft; 10. stirring blades; 11. a drive assembly; 12. a worm gear; 13. a worm; 14. a drive motor; 15. a cavity; 16. a bidirectional threaded screw rod; 17. a drive ring; 18. cleaning the workpiece; 19. a slide bar; 20. a sleeve; 21. cleaning the rod; 22. a chute; 23. a slider; 24. adjusting a rod; 25. a squeegee; 26. a card slot; 27. a drive wheel; 28. an isolation shell; 29. a telescopic rod; 30. a plug rod; 31. a plug-in barrel; 32. an L-shaped connecting block; 33. and (4) bolts.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a concrete mixer. Referring to fig. 1 and 2, a concrete mixer includes a tank body 1, tank body 1 includes that the top is uncovered jar body 2 that sets up, detain the cover 3 of locating jar body 2 top, locate connecting piece 4 between cover 3 and jar body 2, extend a plurality of supporting legs 5 that fixed connection and arranged around its circumference in jar body 2 bottom along vertical direction, locate inlet pipe 6 on the case lid, locate the discharging pipe 7 of jar body 1 bottom, locate ooff valve 8 on discharging pipe 7, the internal coaxial (mixing) shaft 9 that is equipped with of jar, be connected with a plurality of stirring leaves 10 along its radial extension on (mixing) shaft 9, the top of (mixing) shaft 9 is rotated along vertical direction and is worn to locate the case lid and is connected with drive assembly 11, concrete gets into jar body 1 from inlet pipe 6 in, drive assembly 11 drives stirring leaves 9 and drives stirring leaves 10 and stirs the concrete, then open ooff valve 8 and discharge from discharging pipe 7, wherein the bottom inner wall of jar body 1 is the toper setting of undercut, discharging pipe 7 communicates in jar body 1 bottom center department, help reducing the residue of concrete, be convenient for flowing out.

The driving assembly 11 comprises a worm wheel 12 fixedly sleeved on the circumferential wall of the stirring shaft 9, a worm 13 arranged on the top of the tank cover 3 and a driving motor 14 arranged on the top of the tank cover 3, an output shaft of the driving motor 14 is connected with one end of the worm 13, the worm 13 is meshed with the worm wheel 12, the driving motor 14 is started, and the driving motor 14 drives the worm wheel 12 and the stirring shaft 9 to rotate together through the worm 13.

Referring to fig. 2 and 3, a cavity 15 extending along the axial direction is formed inside the stirring shaft 9, a bidirectional screw lead screw 16 is arranged in the cavity 15, the bidirectional screw lead screw 16 and the stirring shaft 9 are coaxially arranged, and two ends of the bidirectional screw lead screw are respectively rotatably connected to the upper and lower cavity walls of the cavity 15, a driving ring 17 slidably embedded in the cavity 15 is respectively in threaded fit with a positive thread section and a negative thread section of the bidirectional screw lead screw 16, a plurality of groups of cleaning pieces 18 arranged around the circumferential direction of the stirring shaft 9 are arranged on the stirring shaft 9, each cleaning piece 18 comprises a sliding rod 19 fixedly connected to the circumferential wall of the stirring shaft 9 and extending along the radial direction of the sliding rod, a sleeve 20 slidably sleeved on the sliding rod 19, a cleaning rod 21 vertically arranged at one end of the sleeve 20 away from the stirring shaft 9, sliding grooves 22 arranged on the circumferential wall of the stirring shaft 9 and respectively positioned at the upper and lower sides of the sliding rod 19 and extending along the vertical direction and communicated with the cavity 15, sliding blocks 23 connected to the driving ring 17 and slidably connected to the sliding grooves 22, and adjusting rods 24 with two ends of which are respectively hinged to the circumferential wall of the sliding block 23 and the sleeve 20, the adjusting rods 24, the turning surfaces of the adjusting rods 24 are vertically arranged, and the bottom ends of the cleaning rods 21 are connected to scraper plates 25 for cleaning the inner wall of the tank 1.

The top end of the bidirectional threaded screw rod 16 is fixedly connected with a driving block 26, the driving block 26 is sleeved with a driving wheel 27, the arranged driving wheel 27 is convenient for rotating the driving block 26 to drive the bidirectional threaded screw rod 16 to rotate, the two driving rings 17 are driven to move oppositely in the rotating process of the bidirectional threaded screw rod 16, the driving rings 17 always drive the adjusting rod 24 to move in the moving process, the adjusting rod 24 can drive the sleeve 20 to extend along the axial direction thereof in the moving process, so that the cleaning rod 21 and the scraper 25 are controlled to be abutted against or away from the inner side wall of the tank body 1 at the same time, when concrete is stirred, the cleaning rod 21 and the scraper 25 are arranged at intervals with the inner side wall of the tank body 1, the abrasion to the cleaning rod 21 and the scraper 25 is reduced, when the concrete is discharged, the cleaning rod 21 and the scraper 25 can be abutted against the inner side wall of the tank body 1, the cleaning rod 21 is driven to rotate together along with the rotation of the stirring shaft 9, the cleaning of the inner side wall of the tank body 1 is cleaned, the section of the cleaning rod 21 is arranged in a fan shape, the cleaning rod is tightly attached to the inner side wall of the tank body 1 in the cleaning process, and the cleaning effect of cleaning is improved.

The cover is equipped with the separation shell 28 that is spherical setting on (mixing) shaft 9, and inside spout 22 and regulation pole 24 all were located separation shell 28, sleeve 20 slided and wears to locate separation shell 28, and the separation shell 28 of setting is used for keeping apart the concrete, prevents inside concrete entering spout 22 and cavity 15 to lead to blockking up.

The top and the bottom of clearance pole 21 all are equipped with telescopic link 29 between the perisporium of (mixing) shaft 9 and are connected, and telescopic link 29 includes fixed connection in (mixing) shaft 9 perisporium and along its radial extension's peg graft pole 30, fixed connection in clearance pole 21 and sliding sleeve locate the plug-in connection section of thick bamboo 31 on the peg pole 30, and the telescopic link 29 of setting improves the stability of clearance pole 21 in the use.

The connecting piece 4 comprises an L-shaped connecting block 32 fixedly arranged on the outer side wall of the tank body 2, a bolt 33 which is in threaded fit with the L-shaped connecting block 32 in a radially extending mode of the tank body 2, and a clamping groove 34 which is formed in the outer edge of the tank cover 3 and is used for inserting the bolt 33, wherein the detachable tank cover 3 and the tank body 1 are convenient for installing, detaching and replacing the stirring shaft 9, the stirring blade 10, the cleaning piece 18 and the like which are positioned in the tank body 1.

The implementation principle of the concrete mixer in the embodiment of the application is as follows: before concrete is stirred, the two driving rings 17 are driven to be away from each other through the two-way threaded screw rod 16, the driving rings 17 drive the sleeve 20 to move towards the stirring shaft 9 through the adjusting rod 24, the cleaning rod 21 and the inner side wall of the tank body 1 are arranged at intervals, then concrete ingredients are fed from the feeding pipe 6, the stirring shaft 9 is driven by the driving assembly 11 to drive the stirring blade 10 to stir, after the stirring is completed, the two driving rings 17 are driven to be close to each other through the two-way threaded screw rod 16, the driving rings 17 drive the sleeve 20 to move towards the inner side wall of the tank body 1 through the adjusting rod 24, the cleaning rod 21 is abutted to the inner side wall of the tank body 1, then the switch valve 8 is opened to discharge the concrete, and the driving assembly 11 can drive the stirring shaft 9 to drive the cleaning rod 21 to rotate in the concrete discharging process, so that the concrete on the inner side wall of the tank body 1 is scraped.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A concrete mixer is characterized in that: including a jar body (1), locate respectively inlet pipe (6) and discharging pipe (7), the coaxial locating of jar body (1) top and bottom (9) in jar body (1), connect in a plurality of stirring leaf (10) on (mixing) shaft (9), (mixing) shaft (9) top is rotated to be worn to locate jar body (1) top and is connected with drive assembly (11), seted up cavity (15) and be equipped with two-way screw lead screw (16) in (mixing) shaft (9), two-way screw lead screw (16) both ends rotate respectively connect in cavity (15) both ends chamber wall and top rotate to be worn to locate (mixing) shaft (9) and be connected with drive block (26), the normal thread section and the back thread section of two-way screw lead screw (16) screw-thread fit respectively have drive ring (17) and slide to inlay and locate in cavity (15), be equipped with clearance spare (18) on (mixing) shaft (mixing shaft (9), clearance spare (18) including connect in slide bar (19) on (mixing shaft (9), cover locate sleeve (20) on slide bar (19), connect in sleeve (20) keep away from clearance pole (9) one end clearance pole (9), perisporium (21) are located respectively the cavity (9) and spout (15) both sides are linked together (15) about (15) are located respectively (mixing shaft (mixing) and (mixing shaft (mixing) both sides (mixing) are linked together (mixing) and (mixing shaft (mixing) and (mixing) are located (mixing) both sides (9) are located respectively, the stirring shaft (9) is sleeved with a separation shell (28), the sliding chute (22) and the adjustment rod (24) are located in the separation shell (28), and the sleeve (20) is slidably arranged in the separation shell (28) in a penetrating mode.

2. A concrete mixer according to claim 1, wherein: the driving assembly (11) comprises a worm wheel (12) sleeved on the stirring shaft (9), a worm (13) installed at the top of the tank body (1) and meshed with the worm wheel (12), and a driving motor (14) installed at the top of the tank body (1) and connected with one end of the worm (13) through an output shaft.

3. A concrete mixer according to claim 1, wherein: the cleaning device is characterized in that telescopic rods (29) are arranged between the top and the bottom of the cleaning rod (21) and the stirring shaft (9) for connection, and each telescopic rod (29) comprises an insertion rod (30) connected to the peripheral wall of the stirring shaft (9) and an insertion cylinder (31) connected to the cleaning rod (21) and slidably sleeved on the insertion rod (30).

4. A concrete mixer according to claim 1, wherein: the cross-section of clearance pole (21) is fan-shaped setting, clearance pole (21) outer fringe can laminate in completely jar body (1) inside wall.

5. A concrete mixer according to claim 1, wherein: the cleaning pieces (18) are circumferentially arranged around the stirring shaft (9) to form a plurality of groups.

6. A concrete mixer according to claim 1, wherein: the inner wall of the bottom of the tank body (1) is in a downward-sunken conical shape, and the discharge pipe (7) is communicated with the center of the bottom of the tank body (1).

7. A concrete mixer according to claim 6, wherein: the bottom end of the cleaning rod (21) is connected with a scraper (25) used for cleaning the inner wall of the bottom of the tank body (1).

8. A concrete mixer according to claim 1, wherein: jar body (1) is open jar body (2) that sets up including the top, detains and locates jar cover (3) at body (2) top, jar cover (3) with be equipped with a plurality of connecting pieces (4) between jar body (2) and connect, connecting piece (4) including fixed connection in L shape connecting block (32), the screw-thread fit of jar body (2) perisporium cooperate in bolt (33) of L shape connecting block (32), open and locate jar cover (3) outer fringe supplies draw-in groove (34) that bolt (33) were pegged graft.