Wall mortar spraying equipment for building

Abstract

The invention relates to the technical field of building spraying, in particular to building wall mortar spraying equipment which comprises a storage tank and a top connecting seat, the bottom end of the storage tank is fixedly connected with a bottom connecting seat, the surface of the top connecting seat is fixedly connected with an air control seat, and the bottom end of the air control seat is fixedly connected with a connecting threaded seat. And a first rubber sleeve seat is arranged at the bottom end of the connecting threaded seat, the bottom end of the first rubber sleeve seat is fixedly connected with an exhaust material uniformizing frame, and air uniformizing grating grooves are formed in the four sides of the side face of the exhaust material uniformizing frame. Through the arrangement of the material storage tank, the top connecting base, the bottom connecting base, the air control base, the connecting threaded base, the first rubber sleeve base, the air exhausting and material uniformizing frame, the air uniformizing grating groove and the second rubber sleeve base, when the equipment is used for spraying mortar on a wall for a building, mortar raw materials used in the equipment can be fully mixed, and in the actual using process, the mortar raw materials can be fully mixed and treated; a worker firstly injects all raw materials needing mortar spraying production into a mixing tank of a storage tank.

Description

Technical Field

[0001] The invention relates to the technical field of building spraying, in particular to a wall mortar spraying device for building. Background Art

[0002] Mortar is the bonding material used for bricklaying in construction. It is made of a certain proportion of sand and cementing materials plus water. It is also called mortar or mortar. It is made by mixing inorganic cementitious materials with fine aggregate and water in proportion. It is also called mortar. It is used for masonry and plastering projects and can be divided into masonry mortar and facing mortar. The former is used for masonry of bricks, stones, blocks, etc. and component installation; the latter is used for plastering of walls, floors, roofs, beams and columns to achieve protection and decoration requirements. Some ordinary mortar materials are made of gypsum, lime paste or clay mixed with fiber The fibrous reinforcing material is added with water to form a paste, called ash, paste, mud or glue. Commonly used ones are hemp ash, paper reinforced ash, gypsum ash and blended mortar. Commonly used mortars are cement mortar, mixed mortar, lime mortar and clay mortar. Exterior wall building paint is a material used to paint the exterior walls of buildings. The base layer of exterior wall painting requires sufficient curing period. The surface of the new water mortar concrete must go through a reasonable curing time to allow it to "spit alkali" and fully dry. The surface of the base layer should be dry, solid and firm, and should not have defects such as sanding, cracks and looseness.

[0003] For example, the patent document with the announcement number CN 211137669 U discloses a spraying and foaming integrated mortar mixing equipment, including a base, a foaming machine, a mixer and a nozzle, a first stirring component for stirring a foaming agent is provided in the foaming machine; a second stirring component for stirring mortar is provided in the mixer, a first material guide pipe is connected to the bottom of the foaming machine, the first material guide pipe is connected to a high-pressure pump, and a second material guide pipe is connected between the high-pressure pump and the lower chamber of the mixer; a material guide port is provided at the bottom of the mixer, a spiral feeder for conveying mortar is connected to the material guide port, and a feeding pipe for conveying mortar is connected between the spiral feeder and the nozzle. The foaming agent is diluted in the foaming machine, and the mortar mixed in the mixer is made to fully contact and mix with the foaming agent, and enters the nozzle through the feeding pipe to be sprayed on the wall; the integration of feeding, stirring, foaming and spraying is realized, which reduces the high construction cost and improves the work efficiency.

[0004] However, when this structure is actually used for spraying mortar on walls of buildings, due to the limitation of its own structure, it can only perform simple stirring and spraying operations on the mortar on walls of buildings. Its stirring equipment is often unable to fully stir the mortar mixed with various materials inside. When it is subsequently used for wall spraying, uneven quality problems are very likely to occur, and the uniformity of the paint on the wall cannot be guaranteed. At the same time, the equipment cannot perform mortar spraying operations that are more stably adapted to the wall, and cannot meet daily use needs. Therefore, it is urgent to design a mortar spraying equipment for building walls to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a wall mortar spraying equipment for construction, so as to solve the problem that the existing structure proposed in the above background technology can only perform simple stirring and spraying operations of the wall mortar for construction due to the limitation of its own structure when being used for actual wall mortar spraying for construction. Its stirring equipment is often unable to fully stir the mortar mixed with various materials inside. When it is subsequently used for wall spraying, uneven quality problems are very likely to occur, and the uniformity of the paint on the wall cannot be guaranteed. At the same time, the equipment cannot perform mortar spraying operations that are more stably compatible with the wall, and cannot meet daily use needs.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a wall mortar spraying equipment for construction, comprising a storage tank, the top end of the storage tank is fixedly connected with a top connection seat, the bottom end of the storage tank is fixedly connected with a bottom connection seat, the surface of the top connection seat is fixedly connected with an air control seat, the bottom end of the air control seat is fixedly connected with a connecting thread seat, the bottom end of the connecting thread seat is provided with a first rubber sleeve seat, the bottom end of the first rubber sleeve seat is fixedly connected with an exhaust material mixing rack, the four sides of the side of the exhaust material mixing rack are provided with air mixing grille grooves, the bottom end of the exhaust material mixing rack is provided with a second rubber sleeve seat, and the bottom end of the second rubber sleeve seat is provided with an adjustment seat;

[0007] A lifting seat and a back cover frame, the bottom end of the bottom connecting seat is fixedly connected with the lifting seat, the back of the storage tank is fixedly connected with the back cover frame, the back of the back cover frame is provided with a feed frame, the back of the feed frame is fixedly connected with a spraying unit, the back sides of the spraying unit are fixedly connected with movable side seats, the interior of the movable side seats is provided with movable pressure rollers, the back center of the spraying unit is fixedly connected with a shielding frame, the inner wall of the shielding frame is provided with shielding airbags above and below, and one end of the shielding airbag is fixedly connected with a bonding strip.

[0008] Preferably, movable shafts are provided at the upper and lower ends of the material conveying frame, and a material conveying trough is provided inside the material conveying frame.

[0009] Preferably, a through slot is provided inside the back cover frame, and a material feeding rubber cover is provided inside the through slot.

[0010] Preferably, a movable base is provided at the bottom end of the lifting seat, a control unit is fixedly connected to the front of the lifting seat, a control shaft is provided at the bottom end of the control unit, a control rod is provided at the top end of the control shaft, and a control frame is provided at one end of the control rod.

[0011] Preferably, a shrinkable top plate is provided on the surface of the adjustment seat, a fitting ring is provided on the surface of the shrinkable top plate, and a shrinkable airbag is provided at the bottom end of the shrinkable top plate.

[0012] Preferably, an inner rubber sleeve seat is arranged inside the second rubber sleeve seat, and a return sleeve spring is arranged between the second rubber sleeve seat and the inner rubber sleeve seat.

[0013] Preferably, an air suction pump is arranged at the inner center of the air control seat, and an exhaust ring seat is arranged at the inner edge of the air control seat.

[0014] Preferably, an inner wall of the top connection seat is provided with a mounting thread, and a sealing ring is provided on the surface of the top connection seat.

[0015] Preferably, a pumping unit is provided on the back of the storage tank, and a filter mesh tank is provided inside the pumping unit.

[0016] Preferably, a mixing tank is provided inside the storage tank.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The wall mortar spraying equipment for construction, through the arranged storage tank, top seat, bottom seat, air control seat, connecting thread seat, first rubber sleeve seat, exhaust material mixing rack, air grille slot, second rubber sleeve seat, adjusting seat, shrinkage top plate, fitting ring, shrinkage air bag, inner rubber sleeve seat, reset sleeve spring, suction pump, exhaust ring seat, mounting thread, sealing ring, extraction unit, filter screen slot and mixing tank, can make the equipment fully mix the mortar raw materials used inside when spraying wall mortar for construction. In actual use, the staff first injects all the raw materials required for spraying mortar into the mixing tank of the storage tank, then starts the moving base in the center of the air control seat to make it suck air from the outside, and then enters into the exhaust material mixing rack along the air control seat and the first rubber sleeve seat at the bottom, and then evenly sprays from the air grille slots on the four sides of the exhaust material mixing rack, so that the gas in the form of bubbles is applied to the mortar inside the storage tank. The raw materials are quickly mixed, and the overflowing gas is discharged from the exhaust ring seat on the top of the air control seat, and the air control seat as a whole can be sealed and connected through the connecting thread seat at the bottom, and the sealing ring is cooperated with the mounting thread of the top seat to facilitate the subsequent thorough cleaning operation inside the equipment. At the same time, the shrinkage air bag located inside the adjusting seat can be started to drive the shrinkage top plate and the fitting ring at the top to perform the adaptation and extension operation at the bottom of the second rubber sleeve seat, so that the exhaust material mixing rack as a whole is in the internal center of the storage tank, and cooperates with the upper and lower first rubber sleeve seats and the second rubber sleeve seats to perform orderly up and down up and down operations. At this time, the interior of the first rubber sleeve seat and the second rubber sleeve seat can be adapted and contracted with the ups and downs of the exhaust material mixing rack through the design of the inner rubber sleeve seat and the reset sleeve spring, so as to ensure the stability of the exhaust material mixing rack as a whole inside the storage tank, so that the mortar inside the storage tank can be mixed by the wall mortar in a rapid up and down oscillation type, which meets the daily wall mortar production needs and reflects the practicality of the equipment design.

[0019] The wall mortar spraying equipment for construction further improves the overall use effect of the equipment through the arranged lifting seat, back cover frame, feed frame, spraying unit, movable side seat, movable pressure roller, shielding frame, shielding airbag, laminating strip, movable shaft, feed trough, through groove, feed rubber cover, movable base, control unit, control shaft, control lever and control frame. In daily use, the staff can install the back cover frame at the extraction unit on the back of the storage tank, and the back cover frame is movably connected with the spraying unit through the movable shafts at the upper and lower ends of the feed frame. The wall mortar is transported from the storage tank to the inside of the spraying unit through the feed rubber cover at the through groove inside the back cover frame. The spraying unit can be quickly rotated and adjusted through the movable shaft, and the feed rubber cover is adaptively adjusted inside the feed trough of the feed frame. The movable pressure rollers inside the movable side seats on both sides can be used for adaptive movement and adjustment on the wall. The shielding frame in the center of the interior can be used for shielding and protection during wall mortar spraying through the fitting strips at one end of the shielding airbags at the upper and lower ends, so that the spraying unit can always be adapted and fitted to the wall, thereby improving the final wall mortar spraying effect of the equipment. At the same time, the overall equipment can be controlled daily through the control frame at one end of the control lever, and the overall movement and adjustment of the equipment can be performed at the mobile base at the bottom of the lifting seat. The control lever can also rotate and adjust the angle at the control shaft of the control unit. By adaptively starting the lifting seat at the bottom of the bottom seat, the overall height adjustment of the storage tank, top seat and bottom seat can be achieved, so that the spraying unit can be used for efficient mortar spraying on walls of different heights, which reflects the comprehensiveness of the equipment design. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the structure of the present invention;

[0021] Figure 2 It is an overall schematic diagram of the storage tank structure of the present invention;

[0022] Figure 3 It is an overall schematic diagram of the air control seat structure of the present invention;

[0023] Figure 4 It is a schematic diagram of the second rubber sleeve seat and the shrinking top plate structure of the present invention;

[0024] Figure 5 It is an overall schematic diagram of the back cover frame structure of the present invention;

[0025] Figure 6 It is an overall schematic diagram of the material conveying rack structure of the present invention;

[0026] Figure 7 For the present invention Figure 1 A magnified schematic diagram of the structure at center A;

[0027] Figure 8 For the present invention Figure 1 A magnified schematic diagram of the structure at B in the figure.

[0028] In the figure: 1, storage tank; 2, top connection seat; 3, bottom connection seat; 4, air control seat; 5, connection thread seat; 6, first rubber sleeve seat; 7, exhaust material distribution rack; 8, air distribution grille slot; 9, second rubber sleeve seat; 10, adjustment seat; 11, lifting seat; 12, back cover rack; 13, material feeding rack; 14, spraying unit; 15, moving side seat; 16, moving pressure roller; 17, shielding rack; 18, shielding airbag; 19, bonding strip; 20, movable shaft; 2 1. Feed trough; 22. Through trough; 23. Feed rubber cover; 24. Moving base; 25. Control unit; 26. Control shaft; 27. Control lever; 28. Control frame; 29. ​​Retractable top plate; 30. Fitting ring; 31. Retractable airbag; 32. Inner rubber sleeve seat; 33. Reset sleeve spring; 34. Suction pump; 35. Exhaust ring seat; 36. Mounting thread; 37. Sealing ring; 38. Extraction unit; 39. Filter screen slot; 40. Mixing trough. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-8 , an embodiment provided by the present invention:

[0031] A wall mortar spraying device for construction comprises a storage tank 1, the top of the storage tank 1 is fixedly connected with a top connection seat 2, the bottom of the storage tank 1 is fixedly connected with a bottom connection seat 3, the surface of the top connection seat 2 is fixedly connected with an air control seat 4, the bottom end of the air control seat 4 is fixedly connected with a connecting thread seat 5, the bottom end of the connecting thread seat 5 is provided with a first rubber sleeve seat 6, the bottom end of the first rubber sleeve seat 6 is fixedly connected with an exhaust material mixing rack 7, the four sides of the exhaust material mixing rack 7 are provided with air mixing grille grooves 8, the bottom end of the exhaust material mixing rack 7 is provided with a second rubber sleeve seat 9, the bottom end of the second rubber sleeve seat 9 is provided with an adjusting seat 10, the surface of the adjusting seat 10 is provided with a shrinking top plate 29, the surface of the shrinking top plate 29 is provided with a fitting ring 30, the bottom end of the shrinking top plate 29 is provided with a shrinking airbag 31, the interior of the second rubber sleeve seat 9 is provided with an inner rubber sleeve seat 32, the second rubber sleeve seat A reset sleeve spring 33 is arranged between 9 and the inner rubber sleeve seat 32, an air suction pump 34 is arranged at the inner center of the air control seat 4, an exhaust ring seat 35 is arranged at the inner edge of the air control seat 4, a mounting thread 36 is provided on the inner wall of the top seat 2, a sealing ring 37 is provided on the surface of the top seat 2, a pumping unit 38 is arranged on the back of the storage tank 1, a filter mesh groove 39 is arranged inside the pumping unit 38, a mixing groove 40 is provided inside the storage tank 1, the mobile base 24 at the inner center of the air control seat 4 is started to make it suck air from the outside, and then enter the interior of the exhaust mixing rack 7 along the air control seat 4 and the first rubber sleeve seat 6 at the bottom, and then evenly spray from the air mixing grid grooves 8 on the four sides of the side of the exhaust mixing rack 7, so that the gas is in the form of bubbles to quickly mix the mortar raw materials inside the storage tank 1.

[0032] The lifting seat 11 and the back cover frame 12, the bottom end of the bottom seat 3 is fixedly connected with the lifting seat 11, the back of the storage tank 1 is fixedly connected with the back cover frame 12, the back of the back cover frame 12 is provided with a feeding frame 13, the back of the feeding frame 13 is fixedly connected with a spraying unit 14, the two sides of the back of the spraying unit 14 are fixedly connected with movable side seats 15, and the interior of the movable side seats 15 is provided with a movable pressure roller 16, and the back center of the spraying unit 14 is fixedly connected with a shielding frame 17, and the inner wall of the shielding frame 17 is provided with shielding air bags 18 above and below, and one end of the shielding air bag 18 is fixedly connected with a fitting tape 19, and the upper and lower ends of the feeding frame 13 are provided with movable shafts 20, and the interior of the feeding frame 13 is provided with a feeding trough 21, and the interior of the back cover frame 12 is provided with a through slot 22, and the interior of the through slot 22 is provided with a feeding rubber cover 23, and the bottom end of the lifting seat 11 is provided with a movable base 24, and the lifting seat A control unit 25 is fixedly connected to the front of 11, a control shaft 26 is provided at the bottom end of the control unit 25, a control rod 27 is provided at the top end of the control shaft 26, and a control frame 28 is provided at one end of the control rod 27. The back cover frame 12 is installed at the extraction unit 38 on the back of the storage tank 1, and the back cover frame 12 is movably connected with the spraying unit 14 through the movable shafts 20 at the upper and lower ends of the feeding frame 13. The wall mortar is conveyed from the storage tank 1 to the inside of the spraying unit 14 through the feeding rubber cover 23 at the internal groove 22 of the back cover frame 12, and the spraying unit 14 can be quickly rotated and adjusted through the movable shaft 20, and the feeding rubber cover 23 is adaptively adjusted inside the feeding groove 21 of the feeding frame 13. The spraying unit 14 can also be adaptively moved and adjusted on the wall through the movable pressure rollers 16 inside the movable side seats 15 on both sides.

[0033] Working principle: When in use, the user first injects all the raw materials required for spraying mortar production into the mixing tank 40 of the storage tank 1, and then starts the movable base 24 in the center of the air control seat 4 to make it inhale from the outside, and then enter the exhaust and mixing rack 7 along the air control seat 4 and the first rubber sleeve seat 6 at the bottom, and then evenly sprays from the air grille grooves 8 on the four sides of the exhaust and mixing rack 7, so that the gas is in the form of bubbles, and quickly mixes the mortar raw materials inside the storage tank 1, and the overflowing gas is discharged from the exhaust ring seat 35 on the top of the air control seat 4, and the air control seat 4 as a whole can be sealed and connected through the connecting thread seat 5 at the bottom, and cooperates with the sealing ring 37 at the mounting thread 36 of the top seat 2 , which is convenient for the subsequent thorough cleaning operation inside the equipment. At the same time, the shrinkage airbag 31 located inside the adjustment seat 10 can be started to drive the shrinkage top plate 29 and the fitting ring 30 at the top to perform the adaptive telescopic operation at the bottom of the second rubber sleeve seat 9, so that the exhaust material mixing rack 7 is in the internal center of the storage tank 1 as a whole, and cooperates with the upper and lower first rubber sleeve seats 6 and the second rubber sleeve seats 9 to perform orderly up and down up and down operations. At this time, the first rubber sleeve seat 6 and the second rubber sleeve seat 9 can be designed with an inner rubber sleeve seat 32 and a reset sleeve spring 33 to perform adaptive contraction with the ups and downs of the exhaust material mixing rack 7, thereby ensuring the stability of the exhaust material mixing rack 7 as a whole inside the storage tank 1, so that the mortar inside the storage tank 1 can be mixed by a rapid up and down oscillation type wall mortar, which meets the daily wall In order to meet the needs of mortar production, in daily use, the staff can install the back cover frame 12 at the extraction unit 38 on the back of the storage tank 1, and the back cover frame 12 is movably connected with the spraying unit 14 through the movable shafts 20 at the upper and lower ends of the feeding frame 13, and the wall mortar is transported from the storage tank 1 to the inside of the spraying unit 14 through the feeding rubber cover 23 at the internal groove 22 of the back cover frame 12, and the spraying unit 14 can be quickly rotated and adjusted through the movable shaft 20, and the feeding rubber cover 23 is adaptively adjusted inside the feeding groove 21 of the feeding frame 13. The spraying unit 14 can also be adaptively moved and adjusted on the wall through the movable pressure rollers 16 inside the movable side seats 15 on both sides, and the shielding frame 17 at the inner center is adjusted through the upper The fitting strips 19 at one end of the shielding airbags 18 at the lower ends are used to shield and protect the wall mortar during spraying, so that the spraying unit 14 can always fit the wall, thereby improving the final wall mortar spraying effect of the equipment. At the same time, the control frame 28 at one end of the control rod 27 can be used to control the entire equipment on a daily basis, and the movable base 24 at the bottom end of the lifting seat 11 can be used to adjust the movement of the entire equipment. The control rod 27 can also be used to rotate and adjust the angle at the control shaft 26 of the control unit 25. The lifting seat 11 at the bottom end of the bottom seat 3 can be adaptively started to achieve the overall height adjustment of the storage tank 1, the top seat 2 and the bottom seat 3, so that the spraying unit 14 can be used for efficient mortar spraying on walls of different heights. The above is the entire working principle of the present invention.

[0034] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A wall mortar spraying device for construction, comprising a storage tank (1), characterized in that: The top end of the material storage tank (1) is fixedly connected to a top connection seat (2), the bottom end of the material storage tank (1) is fixedly connected to a bottom connection seat (3), the surface of the top connection seat (2) is fixedly connected to an air control seat (4), the bottom end of the air control seat (4) is fixedly connected to a connecting thread seat (5), the bottom end of the connecting thread seat (5) is provided with a first rubber sleeve seat (6), the bottom end of the first rubber sleeve seat (6) is fixedly connected to an exhaust material leveling frame (7), the four sides of the side of the exhaust material leveling frame (7) are provided with air leveling grille grooves (8), the bottom end of the exhaust material leveling frame (7) is provided with a second rubber sleeve seat (9), and the bottom end of the second rubber sleeve seat (9) is provided with an adjustment seat (10); A lifting seat (11) and a back cover frame (12), the bottom end of the bottom connecting seat (3) is fixedly connected to the lifting seat (11), the back of the storage tank (1) is fixedly connected to the back cover frame (12), the back of the back cover frame (12) is provided with a feeding frame (13), the back of the feeding frame (13) is fixedly connected to a spraying unit (14), the back sides of the spraying unit (14) are fixedly connected to movable side seats (15), the interior of the movable side seats (15) is provided with movable pressure rollers (16), the back center of the spraying unit (14) is fixedly connected to a shielding frame (17), the inner wall of the shielding frame (17) is provided with shielding air bags (18) at the upper and lower sides, and one end of the shielding air bag (18) is fixedly connected to a bonding tape (19).

2. A construction wall mortar spraying equipment according to claim 1, characterized in that: The upper and lower ends of the material conveying frame (13) are provided with movable shafts (20), and a material conveying trough (21) is provided inside the material conveying frame (13).

3. A construction wall mortar spraying equipment according to claim 1, characterized in that: A through slot (22) is provided inside the back cover frame (12), and a material feeding rubber cover (23) is provided inside the through slot (22).

4. A construction wall mortar spraying equipment according to claim 1, characterized in that: A movable base (24) is arranged at the bottom end of the lifting seat (11), a control unit (25) is fixedly connected to the front of the lifting seat (11), a control shaft (26) is arranged at the bottom end of the control unit (25), a control rod (27) is arranged at the top end of the control shaft (26), and a control frame (28) is arranged at one end of the control rod (27).

5. The construction wall mortar spraying equipment according to claim 1, characterized in that: The surface of the adjustment seat (10) is provided with a shrinkable top plate (29), the surface of the shrinkable top plate (29) is provided with a fitting ring (30), and the bottom end of the shrinkable top plate (29) is provided with a shrinkable air bag (31).

6. A construction wall mortar spraying equipment according to claim 1, characterized in that: An inner rubber sleeve seat (32) is arranged inside the second rubber sleeve seat (9), and a return sleeve spring (33) is arranged between the second rubber sleeve seat (9) and the inner rubber sleeve seat (32).

7. A construction wall mortar spraying equipment according to claim 1, characterized in that: An air suction pump (34) is arranged at the inner center of the air control seat (4), and an exhaust ring seat (35) is arranged at the inner edge of the air control seat (4).

8. The construction wall mortar spraying equipment according to claim 1, characterized in that: The inner wall of the top connection seat (2) is provided with a mounting thread (36), and the surface of the top connection seat (2) is provided with a sealing ring (37).

9. The construction wall mortar spraying equipment according to claim 1, characterized in that: A material extraction unit (38) is arranged on the back of the material storage tank (1), and a filter screen groove (39) is arranged inside the material extraction unit (38).

10. The construction wall mortar spraying equipment according to claim 1, characterized in that: A mixing tank (40) is provided inside the material storage tank (1).

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