Concrete stirring device convenient for dust removal

Abstract

The invention relates to the field of concrete stirring equipment, in particular to a concrete stirring device facilitating dust removal. According to the concrete stirring device facilitating dust removal, concrete can be discharged conveniently, meanwhile, dust raising in the discharging and stirring process is avoided, and the environment and the health of workers are protected. A concrete mixing device facilitating dust removal comprises a base, a cylinder body, a top cylinder and the like, the upper side of the base is connected with the cylinder body, and the upper side of the cylinder body is connected with the top cylinder. Concrete can be conveniently discharged through the dust suppression mechanism, dust raising in the discharging process can be prevented, the barrel body can be conveniently and automatically closed through the dust blocking mechanism, dust raising in the stirring process is prevented, concrete can be conveniently discharged, meanwhile, dust raising in the discharging and stirring processes is avoided, and the discharging efficiency is improved. And the environment and the health of workers are protected.

Description

Technical Field

[0001] The invention relates to the field of concrete mixing equipment, and in particular to a concrete mixing device which is convenient for dust removal. Background Art

[0002] With the rapid development of the construction industry, concrete has become one of the most important building materials, and is used in many fields such as road paving, bridge construction, and house construction. The mixing process of concrete is one of the key steps in the concrete production process.

[0003] The existing concrete mixing device needs to place raw materials (such as cement, sand and gravel, etc.) in a mixing barrel for mixing so that the concrete is mixed evenly. However, a large amount of dust will be generated in the process of feeding the concrete into the mixing barrel. At the same time, during the mixing process, dust will also be generated due to the collision of the raw materials. This dust will not only pollute the environment and affect the air quality, but may also pose a threat to the health of workers.

[0004] Therefore, a concrete mixing device which is convenient for dust removal and can prevent dust from being raised during the concrete feeding and mixing process, thereby protecting the environment and the health of workers, has been developed. Summary of the invention

[0005] In order to overcome the disadvantages of existing concrete mixing devices that a large amount of dust is generated during the feeding and mixing processes, which not only pollutes the environment and affects the air quality, but also threatens the health of workers. The present invention provides a concrete mixing device that is easy to remove dust and can facilitate the feeding of concrete while avoiding the raising of dust during the feeding and mixing processes, thereby protecting the environment and the health of workers.

[0006] A concrete mixing device convenient for dust removal comprises a base, a barrel, a top barrel, a mixing mechanism, a dust suppression mechanism, a dust removal mechanism and a dust blocking mechanism. The upper side of the base is connected to the barrel, the upper side of the barrel is connected to the top barrel, the barrel is provided with a mixing mechanism capable of mixing concrete, the top barrel is provided with a dust suppression mechanism capable of preventing dust from being raised, the barrel is also provided with a dust removal mechanism capable of scraping off concrete adhered to its inner wall, and the barrel is provided with a dust blocking mechanism capable of preventing dust from being raised during mixing.

[0007] Optionally, a discharge pipe is provided at the lower part of the barrel.

[0008] Optionally, the stirring mechanism includes a motor, a rotating shaft, a stirring frame, a support rod, a short stirring rod, a rotating plate, a torsion spring and a cross. The motor is connected to the middle of the base, the rotating shaft is connected to the motor output shaft, the rotating shaft is rotatably connected to the barrel, the stirring frame is connected to the rotating shaft, a plurality of support rods are connected to the middle of the rotating shaft, a plurality of short stirring rods are also connected to the rotating shaft, the short stirring rods are rotatably connected to the rotating plates, a plurality of torsion springs are connected between the rotating plates and adjacent short stirring rods, a cross is connected to the inner side of the upper part of the barrel, the rotating shaft is rotatably connected to the cross, the motor on the base is started to rotate the rotating shaft, the stirring frame rotates on the cross, and the short stirring rods and the stirring frame stir the concrete.

[0009] Optionally, a dust suppression mechanism is also included, which includes a sliding block, a center rod, a first spring, a top cover, an end plate, a bevel thread, a bag breaking frame and a second spring. A plurality of sliding blocks are slidably connected to the top cylinder, and the sliding blocks are all slidably connected to the center rod. The center rods are all connected to the first spring between adjacent sliding blocks, the top covers are connected between the upper parts of the center rods, and the end plates are connected between the lower parts of the center rods. A bevel thread is opened on the inner side of the top cylinder, and the end plates are in contact and cooperate with the bevel threads. A bag breaking frame is connected to the upper side of the cross through the second spring, and the bag breaking frame is slidably connected to the end plate, and the end plate is slidably connected to the cross. A concrete bag is placed on the end plate in the top cylinder, and the end plate moves downward under the action of the gravity of the concrete, so that the center rod moves downward on the sliding block, and the first spring is squeezed and contracted, driving the top cover to move downward. In the process of the end plate moving downward, the end plate rotates through the contact between the end plate and the bevel thread.

[0010] Optionally, a pair of bag breaking nails are provided on the upper side of the bag breaking rack.

[0011] Optionally, a plurality of extrusion cones are provided on the lower side of the bag breaking frame.

[0012] Optionally, a dust removal mechanism is also included, which includes a fixed seat, a third spring, a connecting rod and a scraper ring. A plurality of fixed seats are connected to the inner side of the lower part of the cylinder body, and the fixed seats are slidably connected to connecting rods. The connecting rods are slidably connected to the fixed seats with a third spring, and scraper rings are connected between the connecting rods. The scraper rings are in contact with the cylinder body, and the rotating mixing frame or rotating plate will contact the connecting rods, squeezing the connecting rods to move downward on the fixed seat, and the scraper ring moves downward to scrape the concrete on the inner wall of the cylinder body.

[0013] Optionally, a dust-blocking mechanism is also included, which includes a wear-resistant plate, an inner plate, a docking shaft and a reset weight block. The outer side of the cross is rotatably connected to multiple docking shafts, the docking shafts are rotatably connected to the cylinder body, the docking shafts are rotatably connected to the inner plates, the outer sides of the inner plates are rotatably connected to wear-resistant plates, the wear-resistant plates are rotatably connected to adjacent docking shafts, the wear-resistant plates are in contact with the cylinder body, the lower sides of the wear-resistant plates are connected to reset weight blocks, the end plate moves down to contact with the bag breaking frame, and at the same time, the extrusion cone at the bottom of the end plate squeezes the inner plate to rotate on the docking shaft, driving the wear-resistant plate to rotate, so that the end of the wear-resistant plate with the reset weight block rotates upward, thereby causing the inner plate to rotate and open.

[0014] Optionally, a bulk plate is also included, and the lower part of the rotating shaft is also connected to the bulk plate.

[0015] Optionally, a temperature controller is also included, and the outer side of the upper part of the barrel is also connected to the temperature controller.

[0016] The beneficial effects of the present invention are as follows: 1. The present invention can facilitate the discharge of concrete through the dust suppression mechanism and can prevent dust from being raised during the discharge process. The dust blocking mechanism can facilitate the automatic sealing of the drum body to prevent dust from being raised during the mixing process, thereby achieving the effect of being able to facilitate the discharge of concrete while avoiding dust from being raised during the discharge and mixing processes, thereby protecting the environment and the health of workers.

[0017] 2. The present invention enables the rotating plate to participate in the mixing process of concrete when there is more concrete in the barrel, and retracts the rotating plate when there is less concrete in the barrel, thereby achieving the effect of automatically adjusting the mixing mode of concrete according to the amount of concrete in the barrel, thereby improving the mixing efficiency and quality of concrete.

[0018] 3. The present invention places the concrete bag on the end plate, moves the end plate downward, and allows the bag-breaking nails on the bag-breaking rack to puncture the concrete bag. At the same time, the top cover and the top cylinder are closed to seal the top cylinder, thereby achieving the effect of automatically breaking the bag and unloading the concrete, saving manpower, and preventing the concrete dust from being raised during unloading.

[0019] 4. The present invention enables the rotating stirring frame or rotating plate to contact the connecting rod, squeeze the connecting rod to move downward on the fixed seat, and the scraper ring moves downward to scrape the concrete on the inner wall of the cylinder body, thereby achieving the effect of scraping off the concrete on the inner wall of the cylinder body and preventing the concrete residue from solidifying in the cylinder body and being difficult to clean.

[0020] 5. After the concrete is unloaded, the end plate moves upward by the first spring and the second spring, and the wear-resistant plate rotates under the gravity of the reset weight block, driving the inner plate to rotate and close, thereby achieving the effect of enabling the concrete to be mixed in a closed manner in the cylinder body and preventing the concrete dust from being raised during the mixing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0022] Figure 2 It is a schematic cross-sectional view of the three-dimensional structure of the present invention.

[0023] Figure 3 It is a partial three-dimensional structural cross-sectional schematic diagram of the present invention.

[0024] Figure 4 It is a schematic cross-sectional view of the three-dimensional structure of the stirring mechanism of the present invention.

[0025] Figure 5 It is a schematic cross-sectional view of the three-dimensional structure of the dust suppression mechanism of the present invention.

[0026] Figure 6 It is a schematic diagram of the three-dimensional explosion structure of the dust suppression mechanism of the present invention.

[0027] Figure 7 It is a schematic cross-sectional view of the three-dimensional structure of the dust removal mechanism of the present invention.

[0028] Figure 8 It is a partial three-dimensional structural cross-sectional schematic diagram of the dust removal mechanism of the present invention.

[0029] Fig. 9 It is a schematic cross-sectional view of the three-dimensional structure of the dust shielding mechanism of the present invention.

[0030] Fig.10 It is a schematic cross-sectional view of the three-dimensional structure of the bulk plate and the temperature controller of the present invention.

[0031] Markings in the accompanying drawings: 1: base, 2: cylinder body, 3: top cylinder, 4: stirring mechanism, 41: motor, 42: rotating shaft, 43: stirring frame, 44: supporting rod, 45: short stirring rod, 46: rotating plate, 47: torsion spring, 48: cross, 5: dust suppression mechanism, 51: sliding block, 52: center rod, 53: first spring, 54: top cover, 55: end plate, 550: inclined thread, 56: bag breaking frame, 57: second spring, 6: dust removal mechanism, 61: fixed seat, 62: third spring, 63: connecting rod, 64: scraper ring, 7: dust blocking mechanism, 71: wear-resistant plate, 72: inner plate, 73: docking shaft, 74: reset weight block, 8: bulk plate, 9: temperature controller. DETAILED DESCRIPTION

[0032] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0033] A concrete mixing device that is convenient for dust removal, such as Figure 1 , Figure 2 , Figure 3 and Fig.10 As shown, it includes a base 1, a barrel 2, a top barrel 3, a stirring mechanism 4, a dust suppression mechanism 5, a dust removal mechanism 6, a dust blocking mechanism 7, a bulk plate 8 and a temperature controller 9. The upper side of the base 1 is connected to the barrel body 2, the upper side of the barrel body 2 is connected to the top barrel 3, the lower part of the barrel body 2 is provided with a discharge pipe for easy discharge, the barrel body 2 is provided with a stirring mechanism 4, the top barrel 3 is provided with a dust suppression mechanism 5, the barrel body 2 is also provided with a dust removal mechanism 6, the barrel body 2 is provided with a dust blocking mechanism 7, the lower part of the rotating shaft is also connected to a bulk plate 8, and the upper outer side of the barrel body 2 is also connected to a temperature controller 9.

[0034] like Figure 2 and Figure 4 As shown, the stirring mechanism 4 includes a motor 41, a rotating shaft 42, a stirring frame 43, a support rod 44, a short stirring rod 45, a rotating plate 46, a torsion spring 47 and a cross 48. The motor 41 is connected to the middle part of the base 1, and the rotating shaft 42 is connected to the output shaft of the motor 41. The rotating shaft 42 is rotatably connected to the barrel 2, and the rotating shaft 42 is connected to the stirring frame 43. The middle part of the rotating shaft 42 is connected to the support rod 44. Sixteen short stirring rods 45 are also connected to the rotating shaft. The short stirring rods 45 are rotatably connected to the rotating plates 46. Two torsion springs 47 are connected between the rotating plates 46 and adjacent short stirring rods 45. A cross 48 is connected to the inner side of the upper part of the barrel 2, and the rotating shaft 42 is rotatably connected to the cross 48.

[0035] When using the present invention, first place the base 1 in the mixing area of ​​the concrete, support the device through the base 1 to improve the stability during mixing, and then when the concrete needs to be mixed, feed the concrete into the barrel 2 through the feed port on the top of the barrel, and when the concrete is fed into the barrel 2, start the motor 41 on the base 1 to rotate the rotating shaft 42 on the cross 48, so that the mixing frame 43 rotates, so that the short stirring rod 45, the support rod 44 and the mixing frame 43 mix the concrete, and when there is more concrete in the barrel 2, the rotating plate 46 corresponding to the concrete extrusion rotates and opens on the short stirring rod 45, and the torsion spring 47 is deformed, so that the rotating plate 46 participates in the mixing process of the concrete, so that more concrete can be mixed in a shorter time. The concrete is fully mixed in the cylinder 2, thereby improving the mixing efficiency. When there is less concrete in the cylinder 2, the torsion spring 47 recovers its deformation and drives the rotating plate 46 to retract, which can reduce energy consumption and wear, and avoid the adverse effects of excessive mixing on the quality of concrete, thereby playing a role in automatically adjusting the mixing method of concrete according to the amount of concrete in the cylinder 2, thereby improving the mixing efficiency and quality of concrete. When the rotating shaft 42 rotates, the bulk plate 8 rotates to break up the concrete accumulated at the bottom of the cylinder 2, avoiding uneven mixing of the concrete. At the same time, the temperature controller 9 can be started to control the temperature in the cylinder 2 within a suitable range, thereby improving the mixing efficiency of the concrete. After the concrete mixing is completed, it can be discharged from the discharge pipe below the cylinder 2.

[0036] like Figure 1 , Figure 5 and Figure 6 As shown, it also includes a dust suppression mechanism 5, which includes a sliding block 51, a center rod 52, a first spring 53, a top cover 54, an end plate 55, an inclined thread 550, a bag breaking frame 56 and a second spring 57. Three sliding blocks 51 are slidably connected to the top cylinder 3, and the sliding blocks 51 are all slidably connected to the center rods 52. The center rods 52 are all connected to the adjacent sliding blocks 51 with the first spring 53. The top cover 54 is connected between the upper parts of the center rods 52, and the end plates 55 are connected between the lower parts of the center rods 52. An inclined thread 550 is opened on the inner side of the top cylinder 3, and the end plate 55 is in contact with the inclined thread 550. The upper side of the cross 48 is connected to the bag breaking frame 56 through the second spring 57. A pair of bag breaking nails are provided on the upper side of the bag breaking frame 56 to facilitate breaking the concrete bag. Fifteen squeezing cones are provided on the lower side of the bag breaking frame 56. The bag breaking frame 56 is slidably connected to the end plate 55, and the end plate 55 is slidably connected to the cross 48.

[0037] The dust suppression mechanism 5 of the present device can prevent concrete dust from being raised during the process of concrete feeding. During the process of feeding concrete into the cylinder body 2, the concrete bag is placed on the end plate 55 in the top cylinder 3. Under the action of the gravity of the concrete, the end plate 55 moves downward, causing the center rod 52 to move downward on the sliding block 51, and the first spring 53 is squeezed and contracted, driving the top cover 54 to move downward. During the downward movement of the end plate 55, the end plate 55 is rotated through the contact between the end plate 55 and the inclined thread 550, causing the center rod 52 to rotate, causing the sliding block 51 to rotate on the top cylinder 3. After the end plate 55 is disengaged from the inclined thread 550, the end plate 55 continues to move downward until the concrete bag contacts the bag breaking rack 56, and the second spring 57 is squeezed and contracted, causing the bag breaking nails on the bag breaking rack 56 to pierce the concrete bag, causing the concrete to flow out of the concrete bag into the cylinder body 2. At the same time, the concrete bag on the end plate 55 and the bag breaking rack 56 When in contact, the top cover 54 is driven to close with the top cylinder 3, and the top cylinder 3 is sealed to prevent the concrete dust from being raised when the concrete is discharged, causing environmental pollution or pollution to the health of the workers. After the concrete in the concrete bag is discharged, under the action of the first spring 53 and the second spring 57, the bag breaking frame 56 pushes the end plate 55 upward, so that the end plate 55 moves upward, driving the concrete bag on the end plate 55 to move upward, and after the end plate 55 is once again in contact with the inclined thread 550, the end plate 55 drives the concrete bag to rotate, and the residual concrete in the concrete bag is thrown out under the action of centrifugal force to ensure that the concrete is discharged completely. Afterwards, the end plate 55 is reset under the action of the first spring 53, and the top cover 54 is also separated from the cylinder body 2, so that the empty concrete bag can be taken out for the next concrete discharge, thereby playing the role of automatically breaking the bag for concrete discharge, saving manpower, and preventing the concrete dust from being raised during discharge.

[0038] like Figure 2 , Figure 7 and Figure 8 As shown, a dust removal mechanism 6 is also included, and the dust removal mechanism 6 includes a fixed seat 61, a third spring 62, a connecting rod 63 and a wall scraper ring 64. Four fixed seats 61 are connected to the inner side of the lower part of the cylinder body 2. The fixed seats 61 are slidably connected with connecting rods 63. The connecting rods 63 are slidably connected to the fixed seats 61. The third spring 62 is slidably connected to the connecting rods 63 and the fixed seats 61. The wall scraper rings 64 are connected between the connecting rods 63, and the wall scraper rings 64 are in contact with the cylinder body 2.

[0039] The dust removal mechanism 6 of the present device can be used to easily scrape off the concrete adhered to the barrel 2. When the motor 41 is started to make the mixing frame 43 mix the cement, the rotating support rod 44 or the rotating plate 46 will contact the connecting rod 63, squeezing the connecting rod 63 to move downward on the fixed seat 61, and the scraper ring 64 moves downward to scrape off the concrete on the inner wall of the barrel 2. The third spring 62 is squeezed and contracted. After the support rod 44 or the rotating plate 46 is separated from the connecting rod 63, the third spring 62 rebounds, driving the connecting rod 63 to move upward, so that the scraper ring 64 moves upward again to scrape off, so that when the concrete is mixed, the scraper ring 64 intermittently moves up and down to scrape off the concrete adhered to the inner wall, thereby scraping off the concrete on the inner wall of the barrel 2 and preventing the concrete residue from solidifying in the barrel 2 and being difficult to clean.

[0040] like Figure 1 , Figure 2 and Fig. 9 As shown, it also includes a dust blocking mechanism 7, which includes a wear-resistant plate 71, an inner plate 72, a docking shaft 73 and a reset weight block 74. Twenty-six docking shafts 73 are rotatably connected to the outer side of the cross 48. The docking shafts 73 are all rotatably connected to the cylinder body 2. The docking shafts 73 are rotatably connected to the inner plates 72. The outer sides of the inner plates 72 are rotatably connected to the wear-resistant plates 71. The wear-resistant plates 71 are rotatably connected to the adjacent docking shafts 73. The wear-resistant plates 71 are in contact with the cylinder body 2. The lower sides of the wear-resistant plates 71 are connected to the reset weight blocks 74.

[0041] The use of the dust shielding mechanism 7 of the present invention can prevent dust from being raised during the concrete mixing process. When the concrete bag is placed on the end plate 55 for unloading, the end plate 55 will eventually move down to contact the bag breaking frame 56. At the same time, the extrusion cone at the lower part of the end plate 55 squeezes the inner plate 72 to rotate on the docking shaft 73, driving the wear-resistant plate 71 to rotate, so that the end of the wear-resistant plate 71 with the reset load block 74 rotates upward, thereby allowing the inner plate 72 to rotate and open, making it easier for concrete to be unloaded into the barrel 2. After the concrete is unloaded, the end plate 55 moves upward on the first spring 53 and the second spring 57, and the wear-resistant plate 71 is retracted under the weight of the reset load block 74. The wear-resistant plate 71 rotates under the action of force, driving the inner plate 72 to rotate and close, and then the motor 41 is started to stir the concrete in the barrel 2, so that the concrete is stirred in a closed manner in the barrel 2 to prevent the concrete dust from being raised during the mixing process. While the wear-resistant plate 71 rotates, the wear-resistant plate 71 and the connecting rod 63 are squeezed to squeeze the connecting rod 63 to move downward, and the third spring 62 is squeezed and contracted, so that the scraper ring 64 moves downward. When the wear-resistant plate 71 rotates and resets, the third spring 62 rebounds, driving the scraper ring 64 to move upward, thereby scraping off the concrete dust sprinkled on the inner wall of the barrel 2 during the unloading process.

[0042] It should be understood that the above description is only for exemplary purposes and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention will be included within the scope of the claims herein.

Claims

1. A concrete mixing device convenient for dust removal, characterized by: The invention comprises a base (1), a cylinder body (2), a top cylinder (3), a stirring mechanism (4), a dust suppression mechanism (5), a dust removal mechanism (6) and a dust blocking mechanism (7); the upper side of the base (1) is connected to the cylinder body (2); the upper side of the cylinder body (2) is connected to the top cylinder (3); the cylinder body (2) is provided with a stirring mechanism (4) capable of stirring concrete; the top cylinder (3) is provided with a dust suppression mechanism (5) capable of preventing dust from being raised; the cylinder body (2) is also provided with a dust removal mechanism (6) capable of scraping off concrete adhered to its inner wall; and the cylinder body (2) is provided with a dust blocking mechanism (7) capable of preventing dust from being raised during the stirring process.

2. A concrete mixing device for easy dust removal according to claim 1, characterized in that: A discharge pipe is arranged at the lower part of the barrel (2).

3. A concrete mixing device for easy dust removal according to claim 1, characterized in that: The stirring mechanism (4) comprises a motor (41), a rotating shaft (42), a stirring frame (43), a supporting rod (44), a short stirring rod (45), a rotating plate (46), a torsion spring (47) and a cross (48). The motor (41) is connected to the middle of the base (1). The rotating shaft (42) is connected to the output shaft of the motor (41). The rotating shaft (42) is rotatably connected to the barrel (2). The stirring frame (43) is connected to the rotating shaft (42). A plurality of supporting rods (44) are connected to the middle of the rotating shaft (42). A plurality of short stirring rods (45) are also connected to the rotating shaft (42). 5), the short stirring rods (45) are rotatably connected with a rotating plate (46), the rotating plates (46) are connected with a plurality of torsion springs (47) between the adjacent short stirring rods (45), the inner side of the upper part of the barrel (2) is connected with a cross (48), the rotating shaft (42) is rotatably connected with the cross (48), the motor (41) on the base (1) is started, so that the rotating shaft (42) rotates on the cross (48), so that the stirring frame (43) rotates, so that the short stirring rods (45), the support rods (44) and the stirring frame (43) stir the concrete.

4. A concrete mixing device for easy dust removal according to claim 3, characterized in that: The invention also comprises a dust suppression mechanism (5), which comprises a sliding block (51), a center rod (52), a first spring (53), a top cover (54), an end plate (55), an inclined thread (550), a bag breaking frame (56) and a second spring (57). A plurality of sliding blocks (51) are slidably connected to the top cylinder (3), each of the sliding blocks (51) is slidably connected to a center rod (52), each of the center rods (52) and adjacent sliding blocks (51) are connected to the first spring (53), the top cover (54) is connected to the upper part of the center rod (52), the end plate (55) is connected to the lower part of the center rod (52), an inclined thread (550) is opened on the inner side of the top cylinder (3), and the end plate (55) and the inclined thread (550) are connected to each other. The thread (550) is in contact with each other, and a bag breaking frame (56) is connected to the upper side of the cross (48) through a second spring (57). The bag breaking frame (56) is slidably connected to the end plate (55), and the end plate (55) is slidably connected to the cross (48). The concrete bag is placed on the end plate (55) in the top cylinder (3). Under the action of the gravity of the concrete, the end plate (55) moves downward, so that the center rod (52) moves downward on the sliding block (51), and the first spring (53) is squeezed and contracted, driving the top cover (54) to move downward. In the process of the end plate (55) moving downward, the end plate (55) rotates through the contact between the end plate (55) and the inclined thread (550).

5. A concrete mixing device for easy dust removal according to claim 4, characterized in that: The upper side of the bag breaking frame (56) is provided with a pair of bag breaking nails.

6. A concrete mixing device for easy dust removal according to claim 4, characterized in that: A plurality of extrusion cones are arranged on the lower side of the bag breaking frame (56).

7. A concrete mixing device for easy dust removal according to claim 4, characterized in that: The utility model also comprises a dust removal mechanism (6), which comprises a fixed seat (61), a third spring (62), a connecting rod (63) and a wall scraping ring (64). A plurality of fixed seats (61) are connected to the inner side of the lower part of the cylinder body (2). The fixed seats (61) are all slidably connected to connecting rods (63). The connecting rods (63) are all slidably connected to the fixed seats (61). The third spring (62) is slidably connected between the connecting rods (63) and the fixed seats (61). The wall scraping ring (64) is connected between the connecting rods (63). The wall scraping ring (64) is in contact with the cylinder body (2). The rotating support rod (42) or the rotating plate (46) will contact with the connecting rod (63), squeeze the connecting rod (63) to move downward on the fixed seat (61), and the wall scraping ring (64) moves downward to scrape the concrete on the inner wall of the cylinder body (2).

8. A concrete mixing device for easy dust removal according to claim 7, characterized in that: The invention also comprises a dust blocking mechanism (7), which comprises a wear-resistant plate (71), an inner plate (72), a docking shaft (73) and a reset weight block (74). The outer side of the cross (48) is rotatably connected to a plurality of docking shafts (73), each of which is rotatably connected to the barrel (2), and each of which is rotatably connected to the inner plate (72). The outer side of the inner plate (72) is rotatably connected to the wear-resistant plate (71), and each of the wear-resistant plates (71) is rotatably connected to the adjacent docking shafts (71). The connecting shaft (73) is rotatably connected, the wear-resistant plates (71) are in contact with the barrel (2), and the lower sides of the wear-resistant plates (71) are connected with reset weight blocks (74). The end plate (55) moves down to contact the bag breaking frame (56), and at the same time, the end plate (55) squeezes the inner plate (72) to rotate on the connecting shaft (73), driving the wear-resistant plate (71) to rotate, so that the end of the wear-resistant plate (71) with the reset weight block (74) rotates upward, thereby causing the inner plate (72) to rotate and open.

9. A concrete mixing device for easy dust removal according to claim 1, characterized in that: It also includes a bulk material plate (8), and the lower part of the rotating shaft is also connected to the bulk material plate (8).

10. A concrete mixing device for easy dust removal according to claim 1, characterized in that: It also includes a temperature controller (9), and the outer side of the upper part of the barrel body (2) is also connected to the temperature controller (9).

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