CN115350638A

CN115350638A - Automatic cleaning device for material mixer

Info

Publication number: CN115350638A
Application number: CN202210992563.8A
Authority: CN
Inventors: 陆海华; 陈树冬; 张立
Original assignee: Boshile Automation Technology Kunshan Co ltd
Current assignee: Boshile Automation Technology Kunshan Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-18
Anticipated expiration: 2042-08-18
Also published as: CN115350638B

Abstract

The application relates to an automatic cleaning device for a material mixer, which relates to the technical field of cleaning devices and comprises a carrying mechanism and a cleaning mechanism; the carrying mechanism comprises a supporting seat, and a preset groove for mounting the cleaning mechanism is formed in the supporting seat; the cleaning mechanism comprises a driving motor, a cleaning assembly, a lifting assembly and a displacement assembly, the driving motor is arranged in the side wall of the preset groove through the lifting assembly, and the cleaning assembly is arranged at the output end of the driving motor; the displacement assembly is arranged in the side wall of the preset groove and used for driving the lifting assembly, the driving motor and the cleaning assembly to displace. This application has the effect that improves convenient degree and the clean efficiency that operating personnel cleaned the material and mix the machine.

Description

Automatic cleaning device for material mixer

Technical Field

The application relates to the technical field of cleaning devices, in particular to an automatic cleaning device for a material mixing machine.

Background

A material mixer is a device used for mixing materials. The material mixer can remain the material of a certain amount in the inner wall after using, and the long-time normal mixing operation of following material in the material mixer that can influence after gathering of residual material, consequently, operating personnel often need clean the remaining material of material mixer inside wall through belt cleaning device.

In the actual cleaning of the material mixing machine, the operator often holds the electric cleaning brush to clean the residual materials on all positions of the inner side wall of the material mixing machine.

However, when the operator holds the cleaning device by hand to clean the residual materials in the material mixer, the problem of inconvenient operation exists, and the working efficiency of the operator for cleaning the material mixer is greatly influenced.

Disclosure of Invention

In order to improve the residual material of the handheld cleaning device of operating personnel clean material mixer and have the problem of inconvenient operation, the application provides a self-cleaning device for material mixer.

The application provides a pair of self-cleaning device for material mixer adopts following technical scheme:

an automatic cleaning device for a material mixer comprises a carrying mechanism and a cleaning mechanism; the carrying mechanism comprises a supporting seat, and a preset groove for mounting the cleaning mechanism is formed in the supporting seat; the cleaning mechanism comprises a driving motor, a cleaning component, a lifting component and a displacement component, wherein the driving motor is arranged in the side wall of the preset groove through the lifting component, and the cleaning component is arranged at the output end of the driving motor; the displacement assembly is arranged in the side wall of the preset groove and used for driving the lifting assembly, the driving motor and the cleaning assembly to displace.

By adopting the technical scheme, the supporting seat is used for mounting the cleaning mechanism, and the cleaning component is arranged on the output end of the driving motor, so that the automatic cleaning of the material mixing machine is realized, and the heavy labor amount brought by the manual intervention is reduced; the lifting assembly realizes that the cleaning assembly can clean residual materials in the inner cavity of the material mixer along the vertical direction through the lifting driving motor and the cleaning assembly; the displacement assembly controls the driving motor and the cleaning assembly along the horizontal direction, so that the cleaning assembly can perform cleaning operation on residual materials in the inner cavity of the material mixer along the horizontal direction; this process has greatly improved the work load that has reduced the interior residual material of operating personnel's clean material mixer, has improved operating personnel's simple operation degree and to the clean efficiency that mixes the machine to the material.

In a specific implementation scheme, the lifting assembly comprises a guide motor, a connecting screw rod, a positioning seat and a traction square column, the guide motor and the positioning seat are oppositely arranged in the side wall of the preset groove, the traction square column is in threaded connection with the connecting screw rod, and the driving motor is arranged on the traction square column; one end of the connecting screw rod is connected with the output end of the guide motor, and the other end of the connecting screw rod is arranged on the positioning seat.

By adopting the technical scheme, when the guide motor rotates forwards at the output end, the connecting screw rod rotates clockwise, so that the traction square column drives the guide motor and the cleaning assembly to move from the guide motor to the positioning seat along the height direction of the connecting screw rod; when the guide motor rotates reversely to the output end, the connecting screw rod rotates anticlockwise, so that the traction square column drives the guide motor and the cleaning assembly to move from the positioning seat to the guide motor along the height direction of the connecting screw rod; along with the continuous corotation of direction motor's output and reversal, realized that clean subassembly carries out reciprocating motion's effect along vertical direction at material mixer inner chamber, and then help improving the clean efficiency that operating personnel cleaned material mixed the machine.

In a specific embodiment, the cleaning assembly comprises an external shaft, a dirt removing member and a connecting member; the external shaft is arranged at the output end of the driving motor, the dirt removing piece comprises a connecting shaft and a dirt removing brush, the dirt removing brush is arranged on the connecting shaft, and a clamping channel for the external shaft to abut into is arranged on the connecting shaft; the connecting piece is used for fixing the connecting shaft on the external shaft.

Through adopting above-mentioned technical scheme, the connecting axle cup joints fast on the external hub through the joint passageway, and the piece of decontaminating is used for carrying out the operation of decontaminating to the inside wall of material mixing machine, and the connecting piece is used for making the connecting axle be fixed in fast on the external hub to can dismantle fast with the maintenance, trade new.

In a specific possible embodiment, the connecting piece comprises an abutting ring plate, a clamping ring plate, a positioning screw rod and a locking nut, the abutting ring plate is arranged on the connecting shaft, and the positioning screw rod is arranged on the abutting ring plate; the screens crown plate sets up on the external shaft, the screens crown plate is worn to locate by positioning screw, lock nut threaded connection makes on positioning screw the butt crown plate links to each other with the screens crown plate.

By adopting the technical scheme, the abutting ring plate abuts against the clamping ring plate, so that the abutting area of the connecting shaft and the external shaft is increased, and the mounting stability of the connecting shaft on the external shaft is improved; after the positioning screw rod penetrates through the clamping ring plate, the locking nut is screwed on the positioning screw rod through threads, so that the abutting ring plate and the clamping ring plate are fixedly connected into a whole quickly, and the connection strength of the connecting shaft mounted on the external connecting shaft is improved.

In a specific possible embodiment, the retaining ring plate is provided with an embedded groove, and the abutting ring plate is positioned in a side wall of the embedded groove.

By adopting the technical scheme, after the butt ring plate is butted into the inner cavity of the inner caulking groove, the phenomena of loosening and swinging and deviation of the butt ring plate relative to the clamping ring plate are reduced, and the improvement of the position stability and the application stability of the connecting shaft after the connecting shaft is installed on the external shaft is facilitated.

In a specific possible embodiment, the connector further comprises a guide strip, the guide strip being disposed on the extension shaft; and an inserting channel for the guide strip to abut into is arranged on the end wall of the connecting shaft and positioned at the clamping channel.

Through adopting above-mentioned technical scheme, the gib block is pegged graft in the grafting passageway with it adaptation, has reduced the connecting axle and has carried out the pivoted phenomenon along the external shaft periphery, and then helps improving connecting strength and application stability of connecting axle on the external shaft.

In a specific possible embodiment, the lift assembly further comprises an extension member comprising a butt plate and two extension plates; the butt joint plate is connected with the guide motor and the positioning seat at the same time, and the two extending plates are arranged on the butt joint plate at intervals; the displacement assembly comprises two groups of propulsion units, the two groups of propulsion units are arranged in the side wall of the preset groove, and one group of propulsion units corresponds to one extension plate; each group of the propelling units comprises a bottom supporting plate, a propelling cylinder and a counter-pulling piece; the bottom bracing plate is arranged in the side wall of the preset groove, the propulsion cylinder is arranged on the bottom bracing plate, and the output end of the propulsion cylinder is connected with the extension plate through the counter-pulling piece.

Through adopting above-mentioned technical scheme, the propulsion cylinder passes through the end-brace board and installs in the lateral wall of predetermineeing the groove, along with the propulsion cylinder is overhanging with shrink output, the atress board drives extension board, butt-joint plate, driving motor and clean subassembly and carries out reciprocating motion along the horizontal direction, and then makes clean subassembly can carry out the operation of decontaminating along the horizontal direction at the inner chamber that the material mixes the machine to improve convenient degree and the work efficiency that operating personnel cleaned the material and mix the machine.

In a specific possible embodiment, the counter-pulling member includes a force-receiving plate provided on the output end of the propulsion cylinder, and a fixing bolt for fixing the force-receiving plate to the extension plate.

Through adopting above-mentioned technical scheme, the output that the atress board has increased the propulsion cylinder and the area of contact of extension board helps improving the joint strength after atress board and extension board link to each other, and fixing bolt is used for making atress board and extension board quick fixed connection be a whole, and the operating personnel of being convenient for dismantles fast to the maintenance is renewed.

In a specific implementation scheme, the lifting assembly further comprises two groups of sliding units, and the two groups of sliding units are respectively arranged on the guide motor and the positioning seat; every group the unit that slides includes installation piece and leading wheel, one the installation piece sets up on direction motor or positioning seat, be provided with the subsider on the installation piece, the leading wheel rotates and sets up in the lateral wall of subsider, be provided with the passageway that slides that is used for the leading wheel to support into and slides in the lateral wall of predetermineeing the groove.

Through adopting above-mentioned technical scheme, the leading wheel is at the passageway internal rotation that slides for guide motor and positioning seat have sliding connection to change rolling friction into in the lateral wall of predetermineeing the groove, and then greatly reduced frictional resistance, improved the efficiency of clean subassembly when the material mixes quick-witted inner chamber of machine and carries out the displacement along the horizontal direction.

In a specific embodiment, the carrier mechanism further comprises a push rod and a plurality of reversing wheels, wherein all the reversing wheels are rotatably arranged on the bottom wall of the supporting seat, and the push rod is arranged on the supporting seat.

By adopting the technical scheme, the reversing wheel rolls, so that the supporting seat can drive the cleaning mechanism to quickly reach the material mixing machine, and the inner side wall of the material mixing machine is quickly cleaned; the pushing rod is convenient for an operator to grab so as to push the supporting seat to move quickly.

In summary, the present application has the following beneficial technical effects:

1. the supporting seat is used for installing a cleaning mechanism, and the cleaning assembly is arranged on the output end of the driving motor, so that the automatic cleaning of the material mixing machine is realized, and the heavy labor amount caused by human intervention is reduced; the lifting assembly realizes that the cleaning assembly can clean residual materials in the inner cavity of the material mixer along the vertical direction through the lifting driving motor and the cleaning assembly; the displacement assembly controls the driving motor and the cleaning assembly along the horizontal direction, so that the cleaning assembly can perform cleaning operation on residual materials in the inner cavity of the material mixer along the horizontal direction; the process greatly improves the workload of operators for cleaning residual materials in the material mixing machine, and improves the operation convenience of the operators and the cleaning efficiency of the material mixing machine;

2. the propulsion cylinder passes through the end opening plate to be installed in the lateral wall of predetermineeing the groove, along with the propulsion cylinder is overhanging with shrink output, the atress board drives extension board, butt-joint plate, driving motor and clean subassembly and carries out reciprocating motion along the horizontal direction, and then makes clean subassembly can carry out the operation of decontaminating along the horizontal direction at the inner chamber of material mixer to improve convenient degree and the work efficiency that operating personnel cleaned the material mixer.

Drawings

FIG. 1 is a schematic structural diagram of an automatic cleaning device for a material mixing machine in an embodiment of the present application;

FIG. 2 is a schematic diagram for showing the positional relationship between the lifting assembly and the displacement assembly in the embodiment of the present application;

FIG. 3 is a schematic diagram for showing the positional relationship between the driving motor and the lifting assembly in the embodiment of the present application;

FIG. 4 is an exploded view of an embodiment of the present application for embodying the structure of the cleaning assembly;

FIG. 5 is a schematic view of a structure for embodying a decontaminating member in the embodiment of the present application;

fig. 6 is an enlarged schematic view of a portion a of fig. 2.

Description of reference numerals:

1. a carrier mechanism; 11. a supporting seat; 111. presetting a groove; 1111. a slipping channel; 12. a push rod; 13. a reversing wheel; 2. a cleaning mechanism; 3. a drive motor; 4. a cleaning assembly; 41. an external shaft; 42. a dirt removal part; 421. a connecting shaft; 4211. clamping the channel; 4212. a plug channel; 422. a dirt cleaning brush; 43. a connecting member; 431. a guide strip; 432. an abutment ring plate; 433. a clamping ring plate; 4331. an embedded groove is formed; 434. positioning a screw rod; 435. a lock nut; 5. a lifting assembly; 51. a guide motor; 52. connecting a screw rod; 53. positioning seats; 54. drawing a square column; 55. a slipping unit; 551. mounting blocks; 5511. a settling tank; 552. a guide wheel; 56. an extension member; 561. a butt plate; 562. an extension plate; 6. a displacement assembly; 61. a propulsion unit; 611. a bottom supporting plate; 612. propelling the cylinder; 613. a counter-pulling piece; 6131. a stress plate; 6132. and (5) fixing the bolt.

Detailed Description

The embodiment of the application discloses automatic cleaning device for material mixing machine.

The present application is described in further detail below with reference to figures 1-6.

Referring to fig. 1, the automatic washing apparatus includes a carrier mechanism 1 and a cleaning mechanism 2, wherein the carrier mechanism 1 includes a support base 11, a push lever 12, and a plurality of steering wheels 13. The supporting seat 11 is provided with a preset groove 111, and the cleaning mechanism 2 is installed in the side wall of the preset groove 111. In this embodiment, the reversing wheels 13 are universal rollers with brake pads, the number of the reversing wheels 13 may be four, and the four reversing wheels 13 are respectively fixed at four corners of the bottom wall of the supporting seat 11 through bolts. The push rod 12 is fixed on the side wall of the support seat 11 through a bolt, and an operator can push the support seat 11 by grabbing the push rod 12, so that the cleaning mechanism 2 can quickly reach a specified place to clean residual materials in the material mixer.

Referring to fig. 2 and 3, the cleaning mechanism 2 includes a driving motor 3, a cleaning assembly 4, a lifting assembly 5 and a displacement assembly 6, the driving motor 3 is disposed in the sidewall of the preset groove 111 through the lifting assembly 5, wherein the lifting assembly 5 includes a guide motor 51, a connecting screw 52, a positioning seat 53, a traction square column 54 and two sets of sliding units 55. The guide motor 51 is disposed on the inner top wall of the preset groove 111 through one group of sliding units 55, the positioning seat 53 is disposed on the inner bottom wall of the preset groove 111 through the other group of sliding units 55, and the guide motor 51 and the positioning seat 53 are correspondingly disposed along the vertical direction.

Referring to fig. 2 and 3, in the present embodiment, the pulling square 54 may be a square cylinder with a screw thread on the inner wall, and the pulling square 54 is screwed to the connecting screw 52. One end of the connecting screw rod 52 is connected with the output end of the guide motor 51 through a flange, and the other end of the connecting screw rod 52 is inserted in the positioning seat 53. The driving motor 3 is welded on the outer side wall of the traction square column 54 through a support plate, the cleaning component 4 is arranged on the output end of the driving motor 3, and the side wall of the traction square column 54 far away from the driving motor 3 is connected with the side wall of the preset groove 111 through the displacement component 6. The output end is rotated clockwise or anticlockwise to direction motor 51 corotation, makes connecting screw 52 rotate along clockwise or anticlockwise, and then makes and pull square column 54 and drive driving motor 3 and clean subassembly 4 and carry out the displacement along vertical direction, and at this moment, driving motor 3 rotates the output end, makes clean subassembly 4 clean the residual material in the different height department of material mixer inner chamber.

Referring to fig. 3 and 4, the cleaning assembly 4 includes an external shaft 41, a dirt removing member 42, and a connecting member 43, wherein one end of the external shaft 41 is connected to the output end of the driving motor 3 through a flange, so that the external shaft 41 and the output end of the driving motor 3 rotate in the same direction. The cleaning member 42 includes a connecting shaft 421 and a cleaning brush 422, and the cleaning brush 422 is adhered to the outer side wall of the connecting shaft 421 by glue.

Referring to fig. 4 and 5, an end wall of the connecting shaft 421 in the length direction is provided with a clamping passage 4211, the clamping passage 4211 extends in the length direction of the connecting shaft 421, the inner diameter of the clamping passage 4211 is matched with the outer diameter of the outer spindle 41, and the connecting shaft 421 is fast sleeved on the outer spindle 41 through the clamping passage 4211.

Referring to fig. 4 and 5, in order to improve the position stability of the connection shaft 421 sleeved on the external shaft 41, the connection member 43 includes a guide bar 431. In this embodiment, the guide bars 431 are steel bars with a dovetail groove-shaped vertical cross section, the number of the guide bars 431 may be two, and the two guide bars 431 are relatively welded to two radial ends of the external shaft 41. An inserting passage 4212 is arranged on the end wall of the connecting shaft 421 in the length direction and located at the clamping passage 4211, the inserting passage 4212 extends in the length direction of the connecting shaft 421, the inner cavity of the inserting passage 4212 is communicated with the inner cavity of the clamping passage 4211, and the inner diameter of the inserting passage 4212 is matched with the inner diameter of the clamping passage 4211. When the connection shaft 421 is fast sleeved on the external shaft 41 through the snap-fit passage 4211, the guide bar 431 abuts against the inner cavity of the snap-fit passage 4212 to reduce the phenomenon that the connection shaft 421 rotates along the periphery of the external shaft 41.

Referring to fig. 4 and 5, the connecting member 43 further includes an abutting ring plate 432, a locking ring plate 433, a positioning screw 434, and a lock nut 435, wherein the abutting ring plate 432 is integrally formed on the outer circumferential wall of the connecting shaft 421, and a side wall surface of one side of the abutting ring plate 432 is coplanar with an end wall surface of the connecting shaft 421 provided with the clamping passage 4211. Screens annular plate 433 integrated into one piece is on external shaft 41, and in this embodiment, the peripheral dimension of screens annular plate 433 is greater than the peripheral dimension of butt annular plate 432, and screens annular plate 433 is provided with embedded groove 4331 towards the lateral wall of butt annular plate 432, and the internal diameter size of embedded groove 4331 and the peripheral dimension looks adaptation of butt annular plate 432.

Referring to fig. 4 and 5, the positioning screw 434 is vertically welded to the sidewall of the abutting ring plate 432 facing the clamping ring plate 433, and after the connecting shaft 421 is sleeved on the external connecting shaft 41 through the clamping passage 4211, the abutting ring plate 432 can abut against the sidewall of the embedded groove 4331. At this time, the positioning screw rod 434 penetrates through the clamping ring plate 433, the locking nut 435 is screwed on the positioning screw rod 434 and abuts against the clamping ring plate 433, so that the abutting ring plate 432 is positioned in the inner embedded groove 4331, the connecting shaft 421 is further stably fixed on the external connecting shaft 41, and the cleaning stability of the cleaning member 42 in the material mixer is ensured,

referring to fig. 2 and 3, in order to allow the decontaminating members 42 to be displaced in the horizontal direction in the inner chamber of the material mixing machine, the lifting assembly 5 further comprises an extension member 56 and the displacement assembly 6 comprises two sets of propulsion units 61. The extending member 56 includes a butt-joint plate 561 and two extending plates 562, the butt-joint plate 561 is welded to the outer side walls of the guiding motor 51 and the positioning seat 53 at the same time, the two extending plates 562 are welded to the outer side walls of the butt-joint plate 561, and the two extending plates 562 are distributed along the extending direction of the butt-joint plate 561 at intervals.

Referring to fig. 2, two sets of propulsion units 61 are disposed in the sidewall of the preset slot 111, and one set of propulsion units 61 is disposed corresponding to one extension plate 562. Each set of the propulsion unit 61 includes a bottom support plate 611, a propulsion cylinder 612, and a counter-pull 613, wherein the bottom support plate 611 is welded to the inner side wall of the preset tank 111 in the horizontal direction, and an extension plate 562 is positioned above one bottom support plate 611. The propulsion cylinder 612 is fixed on the top wall of the bottom supporting plate 611 through bolts, the propulsion cylinder 612 extends along the length direction of the bottom supporting plate 611, and the counter-pulling piece 613 is used for connecting the extension plate 562 and the output end of the propulsion cylinder 612.

Referring to fig. 2 and 6, the counter-pulling piece 613 includes a force-bearing plate 6131 and a fixing bolt 6132, wherein the force-bearing plate 6131 is welded to the output end of the propulsion cylinder 612 in the vertical direction, and after the force-bearing plate 6131 abuts against the extension plate 562, the fixing bolt 6132 penetrates through the force-bearing plate 6131 and is screwed into a threaded groove preset in the extension plate 562, so that the force-bearing plate 6131 is fixedly connected with the extension plate 562. Along with the pushing of the extending output end of the air cylinder 612, the force-bearing plate 6131 drives the extension plate 562, the butt-joint plate 561, the guiding motor 51 and the positioning seat 53 to move together, so that the dirt-removing part 42 can move in the horizontal direction in the inner cavity of the material mixer to clean the residual material.

Referring to fig. 2 and 3, when the propulsion cylinder 612 pushes the docking plate 561 to drive the guide motor 51 and the positioning socket 53 to displace, the sliding unit 55 is used to improve the displacement efficiency of the guide motor 51 and the positioning socket 53. Each group of sliding units 55 comprises a mounting block 551 and a guide wheel 552, wherein in the two groups of sliding units 55, the mounting block 551 of one group of sliding units 55 is welded on the side wall of the guide motor 51 far away from the connecting screw rod 52, and the mounting block 551 of the other group of sliding units 55 is welded on the side wall of the positioning seat 53 far away from the connecting screw rod 52.

Referring to fig. 2 and 3, each mounting block 551 is provided with a settling groove 5511 on a side wall away from the connecting screw 52, a guide wheel 552 is rotatably provided in the side wall of the settling groove 5511 by a rotating shaft, and one end of the guide wheel 552 is located outside the mounting block 551. A sliding channel 1111 is arranged in the side wall of the preset groove 111 and is used for the guide wheel 552 to enter, and the guide wheel 552 slides in the side wall of the sliding channel 1111, so as to improve the sliding efficiency of the guide motor 51 and the positioning seat 53 in the side wall of the preset groove 111.

The implementation principle of the automatic cleaning device for the material mixing machine in the embodiment of the application is as follows: an operator pushes the supporting seat 11 to quickly move the supporting seat 11 to the material mixing machine to be cleaned, so that the connecting shaft 421 with the cleaning brush 422 is pushed into the inner cavity of the material mixing machine. The output end is rotated by the guide motor 51, so that the cleaning brush 422 cleans residual materials on the inner side wall of the material mixing machine.

Along with direction motor 51 corotation or reversal output end, make connecting screw 52 rotate along clockwise or anticlockwise, and then make and pull square column 54 and drive driving motor 3 and trash brush 422 and carry out the displacement along vertical direction, at this moment, trash brush 422 can clean the residual material in the different height department of material mixer inner chamber.

When the air cylinder 612 is pushed to extend and retract the output end, the force-bearing plate 6131 drives the extension plate 562, the butt-joint plate 561, the guide motor 51 and the positioning seat 53 to reciprocate along the horizontal direction, so that the dirt-removing part 42 can move along the horizontal direction in the inner cavity of the material mixer to clean the residual material.

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. The utility model provides a material is self-cleaning device for mixer which characterized in that: comprises a carrying mechanism (1) and a cleaning mechanism (2); the carrying mechanism (1) comprises a supporting seat (11), and a preset groove (111) for mounting the cleaning mechanism (2) is formed in the supporting seat (11); the cleaning mechanism (2) comprises a driving motor (3), a cleaning component (4), a lifting component (5) and a displacement component (6), the driving motor (3) is arranged in the side wall of the preset groove (111) through the lifting component (5), and the cleaning component (4) is arranged at the output end of the driving motor (3); the displacement assembly (6) is arranged in the side wall of the preset groove (111) and used for driving the lifting assembly (5), the driving motor (3) and the cleaning assembly (4) to displace.

2. The automatic cleaning device for the material mixing machine according to claim 1, characterized in that: the lifting assembly (5) comprises a guide motor (51), a connecting screw rod (52), a positioning seat (53) and a traction square column (54), the guide motor (51) and the positioning seat (53) are oppositely arranged in the side wall of the preset groove (111), the traction square column (54) is in threaded connection with the connecting screw rod (52), and the driving motor (3) is arranged on the traction square column (54); one end of the connecting screw rod (52) is connected with the output end of the guide motor (51), and the other end of the connecting screw rod is arranged on the positioning seat (53).

3. The automatic cleaning device for the material mixing machine according to claim 2, characterized in that: the cleaning assembly (4) comprises an external shaft (41), a dirt removing piece (42) and a connecting piece (43); the outer connecting shaft (41) is arranged at the output end of the driving motor (3), the dirt cleaning piece (42) comprises a connecting shaft (421) and a dirt cleaning brush (422), the dirt cleaning brush (422) is arranged on the connecting shaft (421), and a clamping channel (4211) for the outer connecting shaft (41) to abut into is arranged on the connecting shaft (421); the connecting piece (43) is used for fixing the connecting shaft (421) on the external shaft (41).

4. The automatic cleaning device for the material mixing machine according to claim 3, characterized in that: the connecting piece (43) comprises a butting ring plate (432), a clamping ring plate (433), a positioning screw rod (434) and a locking nut (435), the butting ring plate (432) is arranged on the connecting shaft (421), and the positioning screw rod (434) is arranged on the butting ring plate (432); screens crown plate (433) set up on outer spiale (41), screens crown plate (433) are worn to locate by jackscrew (434), lock nut (435) threaded connection is on jackscrew (434), makes butt crown plate (432) and screens crown plate (433) link to each other.

5. The automatic cleaning device for the material mixing machine according to claim 4, characterized in that: an inner embedded groove (4331) is formed in the clamping ring plate (433), and the abutting ring plate (432) is located in the side wall of the inner embedded groove (4331).

6. The automatic cleaning device for the material mixing machine according to claim 4, characterized in that: the connecting piece (43) further comprises a guide strip (431), and the guide strip (431) is arranged on the external shaft (41); an inserting channel (4212) for the guide strip (431) to abut into is arranged on the end wall of the connecting shaft (421) and located at the clamping channel (4211).

7. The automatic cleaning device for the material mixing machine according to claim 2, characterized in that: the lifting assembly (5) further comprises an extension piece (56), wherein the extension piece (56) comprises a butt plate (561) and two extension plates (562); the butt joint plate (561) is connected with the guide motor (51) and the positioning seat (53) at the same time, and the two extension plates (562) are arranged on the butt joint plate (561) at intervals; the displacement assembly (6) comprises two groups of propulsion units (61), the two groups of propulsion units (61) are arranged in the side wall of the preset groove (111), and one group of propulsion units (61) corresponds to one extension plate (562); each group of the propulsion units (61) comprises a bottom supporting plate (611), a propulsion cylinder (612) and a counter-pull piece (613); the bottom supporting plate (611) is arranged in the side wall of the preset groove (111), the propulsion cylinder (612) is arranged on the bottom supporting plate (611), and the output end of the propulsion cylinder (612) is connected with the extension plate (562) through a counter-pulling piece (613).

8. The automatic cleaning device for the material mixing machine according to claim 7, characterized in that: the counter-pulling piece (613) comprises a stress plate (6131) and a fixing bolt (6132), the stress plate (6131) is arranged at the output end of the propulsion cylinder (612), and the fixing bolt (6132) is used for fixing the stress plate (6131) on the extension plate (562).

9. The automatic cleaning device for the material mixing machine according to claim 2, characterized in that: the lifting assembly (5) further comprises two groups of sliding units (55), and the two groups of sliding units (55) are respectively arranged on the guide motor (51) and the positioning seat (53); every group unit (55) that slides includes installation piece (551) and leading wheel (552), one installation piece (551) set up on guide motor (51) or positioning seat (53), be provided with subsider (5511) on installation piece (551), leading wheel (552) rotate set up in the lateral wall of subsider (5511), be provided with in the lateral wall of presetting groove (111) and be used for leading wheel (552) to support into and slide glide channel (1111).

10. The automatic cleaning device for the material mixing machine according to claim 1, characterized in that: the carrying mechanism (1) further comprises a push rod (12) and a plurality of reversing wheels (13), all the reversing wheels (13) are rotatably arranged on the bottom wall of the supporting seat (11), and the push rod (12) is arranged on the supporting seat (11).