A concrete grouting device

Abstract

The application discloses a concrete grouting device and relates to the technical field of concrete grouting, which comprises a rack, a mixing box, a spiral discharging cylinder at the bottom of the mixing box, a slurry outlet connected to one side of the spiral discharging cylinder and a grouting pump connected to the other side of the spiral discharging cylinder, a fixing frame vertically connected to the top of the rack, a pretreatment box installed on the top of the fixing frame, a grinding shaft arranged in the middle of the pretreatment box, and a grinding motor connected to the bottom end of the grinding shaft and led out from the bottom of the pretreatment box. The application can realize the effect of closed automatic bag opening and feeding of cement by setting the cutting mechanism, the fixing rod and the pretreatment box cover, avoids the situation that dust floating caused by manual bag opening and feeding affects the respiratory health of workers, and can clamp the cement bag on the fixing rod by setting the clamping mechanism, so that the operation of the grinding disc is not affected by the falling of the cement bag from the fixing rod, and the subsequent workers can conveniently open the pretreatment box cover and take out the cement bag.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of concrete grouting, in particular to a concrete grouting device. BACKGROUND

[0002] The traditional concrete grouting site production process is to directly pour cement into the mixing tank by artificial unpacking, and a large amount of powder will float during the pouring and mixing process, which is easy to be inhaled by the staff on the side and affect the human respiratory system; in addition, the traditional grouting adopts the method of mixing first and then filtering, because the cement is stored for a long time, it is easy to be damp and clump inside, and it is difficult to mix into the slurry during the mixing process due to insufficient contact with water, so it is directly filtered out during the filtering process, causing waste of cement raw materials. SUMMARY

[0003] The purpose of the present application is to provide a concrete grouting device to solve the problems of powder floating and uneven mixing of cement during use of the existing concrete grouting device.

[0004] To achieve the above purpose, the present application provides the following technical scheme: a concrete grouting device, comprising a rack, a mixing box installed above the rack, a spiral discharge cylinder connected at the bottom of the mixing box, a slurry outlet connected to one side of the spiral discharge cylinder, and a grouting pump connected to the other side of the spiral discharge cylinder, the top of the rack is vertically connected with a fixing frame, the top of the fixing frame is installed with a pretreatment box, the middle of the pretreatment box is provided with a grinding shaft, the grinding shaft is driven by a grinding motor, the top of the grinding shaft is installed with a first bearing, the first bearing and the inner wall of the pretreatment box are both installed with a cutting mechanism and a clamping mechanism, the cutting mechanism and the clamping mechanism are alternately arranged in the pretreatment box, the middle of the grinding shaft is installed with a grinding disc, the bottom of the pretreatment box is connected with a discharge pipe, the side wall of the discharge pipe is provided with a water pipe, the middle of the mixing box is provided with a shaft, the top of the inner cavity of the mixing box is installed with a support, the two side walls of the shaft are both connected with a stirring shaft.

[0005] The cutting mechanism comprises a fixed seat, the number of the fixed seat is two, and the fixed seat is installed at the outer side wall of the first bearing and the inner wall of the pretreatment box, respectively, a rodless cylinder is installed between the two fixed seats, and a cutting blade is installed on the moving part of the rodless cylinder.

[0006] Preferably, the clamping mechanism comprises a fixed rod, the bottom of the fixed rod is provided with a movable rod, the middle of the outer side wall of the movable rod is connected with a connecting block, the end of the connecting block away from the movable rod is connected with an arc-shaped clamping block, and the movable rod is driven by a clamping motor.

[0007] Preferably, the fixed rod is connected with the first bearing side wall and the inner wall of the pretreatment box at both ends, the movable rod is rotatably connected with the pretreatment box, the arc-shaped clamping block is in the shape of a block with a circular arc in the longitudinal section, one side of the arc-shaped clamping block is integrally connected with the connecting block, and the other side of the arc-shaped clamping block is in the shape of a sharp cone in the longitudinal section.

[0008] Preferably, the upper surface of the grinding disc is connected with the material guide plate, a gap is formed between the outer wall of the grinding disc and the inner wall of the pretreatment box to form a grinding cavity, the top of the grinding shaft is rotatably connected with the fixed seat and the fixed rod through the first bearing, the outer wall of the grinding shaft is connected with the grinding disc and the material guide plate, and the material guide plate is in the shape of an umbrella with a narrow upper part and a wide lower part.

[0009] Preferably, the top of the pretreatment box is provided with a pretreatment box cover, a hinge is connected between one side of the pretreatment box cover and the pretreatment box, and the pretreatment box cover is hingedly connected with the pretreatment box through the hinge.

[0010] Preferably, the blanking pipe is integrally connected with the pretreatment box, the blanking pipe is arranged in an inclined manner, the top of the blanking pipe is communicated with the grinding cavity, and the bottom of the blanking pipe is communicated with the inner cavity of the mixing box.

[0011] Preferably, the inner cavity of the mixing box is provided with a partition plate, a second bearing is arranged between the bottom of the partition plate and the middle shaft, a discharge port is formed through the partition plate, a baffle is arranged in the partition plate, one side of the baffle is connected with a sleeve ring, the other side of the baffle is connected with a handle through the mixing box, the bottom of the middle shaft is rotatably connected with the partition plate through the second bearing, and the baffle is movably connected with the middle shaft through the sleeve ring.

[0012] Preferably, the number of the stirring shafts is two, one of the stirring shafts is in the shape of L, and the other of the stirring shafts is internally provided with an expansion slot, the expansion slot is internally provided with an expansion rod, one side of the expansion rod away from the stirring shaft is connected with a scraper, the top of the stirring shaft is provided with a jackscrew, and the expansion rod slides in the expansion slot.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] When the present application is used, the complete bagged cement is placed on the fixed rod, the pretreatment box cover is closed, the bottom of the bagged cement is supported by the cutting blades and the fixed rod in four corners, the cutting blades are driven to move left and right by the rodless air cylinder, two cutting blades cut openings in the bottom of the bagged cement respectively, the openings are expanded to both sides under the extrusion of the cement, the cement in the interior falls into the pretreatment box from the openings, the effect of closed automatic bag opening and feeding of the cement is realized, and the situation that the dust floats and affects the respiratory health of the staff caused by manual bag opening and feeding is avoided.

[0015] In the application, only the fixed rod supports the bagged cement during the falling process from the opening, the movable rod is driven to rotate by the clamping motor, the movable rod drives the arc-shaped clamping block to rotate through the connecting block, the arc-shaped clamping block is turned over above the fixed rod around the movable rod axis, the arc-shaped clamping block pierces the cement bag through the sharp cone at one end, and the cement bag is clamped on the fixed rod, which not only avoids the cement bag from falling off the fixed rod to affect the operation of the grinding disc, but also facilitates the subsequent worker to open the pretreatment box cover to take out the cement bag.

[0016] During the work of the application, the cement falling into the pretreatment box is guided by the pretreatment box and the guide plate, falls into the grinding cavity for grinding, and finally enters the mixing box through the discharge pipe for stirring and mixing, so that the cement raw material is first ground and then mixed, the large particle impurities difficult to dissolve in the slurry are avoided, and the utilization rate of the cement raw material is ensured.

[0017] In the application, the stirring shaft has a telescopic function, the scraper plate contacts the inner wall of the mixing box in the extended state for slurry scraping and cleaning, and the stirring shaft is used for stirring and mixing the cement and water in the retracted state. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the application;

[0019] Figure 2 It is a structural schematic diagram of the pretreatment box;

[0020] Figure 3 It is a three-dimensional schematic diagram of the pretreatment box;

[0021] Figure 4 It is a structural schematic diagram of the clamping mechanism;

[0022] Figure 5 It is a structural schematic diagram of the mixing box;

[0023] Figure 6 It is Figure 1 It is an enlarged schematic diagram of the A part of the application.

[0024] In the figure: 1, frame; 2, mixing box; 3, spiral discharging cylinder; 4, slurry outlet; 5, grouting pump; 6, fixing frame; 7, pretreatment box; 8, grinding shaft; 9, grinding motor; 10, first bearing; 11, cutting mechanism; 111, fixed seat; 112, rodless cylinder; 113, cutting blade; 12, clamping mechanism; 121, fixed rod; 122, movable rod; 123, connecting block; 124, arc clamping block; 125, clamping motor; 13, grinding disc; 131, guide plate; 132, grinding cavity; 14, discharging pipe; 15, water pipe; 16, pretreatment box cover; 161, hinge; 17, partition; 171, second bearing; 172, discharge port; 173, baffle; 174, sleeve ring; 175, handle; 18, middle shaft; 19, support; 20, stirring motor; 21, stirring shaft; 211, expansion slot; 212, expansion rod; 213, scraper; 214, jackscrew. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0026] As Figures 1 to 6As shown, the embodiment includes a rack 1, a mixing box 2 mounted above the rack 1, a spiral discharge cylinder 3 connected at the bottom of the mixing box 2, a slurry outlet 4 connected to one side of the spiral discharge cylinder 3, and a grouting pump 5 connected to the other side of the spiral discharge cylinder 3, and a fixing frame 6 vertically connected to the top of the rack 1, a pretreatment box 7 mounted on the top of the fixing frame 6, the pretreatment box 7 is supported and installed above the grouting pump 5 through the fixing frame 6, and the discharge pipe 14 at the bottom of the pretreatment box 7 is connected with the mixing box 2, a grinding shaft 8 is arranged in the middle of the pretreatment box 7, the grinding shaft 8 is driven by a grinding motor 9, the gap between the grinding shaft 8 and the side wall of the discharge pipe 14 is sealed with a sealing element, a first bearing 10 is mounted on the top of the grinding shaft 8, a cutting mechanism 11 is mounted between the first bearing 10 and the inner wall of the pretreatment box 7, which is used for cutting the bagged cement, a clamping mechanism 12 is also mounted between the first bearing 10 and the inner wall of the pretreatment box 7, the number of the cutting mechanism 11 and the clamping mechanism 12 is two, and they are alternately and equidistantly arranged in the circumferential direction of the pretreatment box 7, which is used for clamping the cement bag, a grinding disc 13 is mounted on the middle of the grinding shaft 8, which is used for grinding and pretreating the cement, a water pipe 15 is arranged through the side wall of the discharge pipe 14, and the water pipe 15 is connected with a water source, a middle shaft 18 is arranged in the middle of the mixing box 2, a support 19 is mounted on the top of the inner cavity of the mixing box 2, the support 19 is cross-shaped and used for mounting a stirring motor 20, the stirring motor 20 drives the middle shaft 18 to work, a stirring shaft 21 is connected with the side wall of the middle shaft 18, the middle shaft 18 drives the stirring shaft 21 to rotate, and the stirring shaft 21 is used for stirring the cement and water to promote the mixture of raw materials to form slurry.

[0027] The cutting mechanism 11 includes a fixed seat 111, the number of the fixed seat 111 is two, and the fixed seat 111 is mounted on the outer side wall of the first bearing 10 and the inner wall of the pretreatment box 7, respectively, a rodless cylinder 112 is mounted between the two fixed seats 111, a cutting blade 113 is mounted on the moving part of the rodless cylinder 112, the rodless cylinder 112 drives the cutting blade 113 to move, and the cutting blade 113 cuts the cement bag.

[0028] Specifically, the clamping mechanism 12 includes a fixed rod 121, the fixed rod 121 is in the shape of a round rod, the fixed rod 121 is mounted between the pretreatment box 7 and the first bearing 10, the number of the fixed rod 121 and the fixed seat 111 is two, the two fixed rods 121 are symmetrically arranged in front and back with respect to the pretreatment box 7, the two fixed seats 111 are symmetrically arranged in left and right with respect to the pretreatment box 7, the bottom of the fixed rod 121 is provided with a movable rod 122, the middle of the movable rod 122 is provided with a connecting block 123, one end of the connecting block 123 away from the movable rod 122 is connected with an arc-shaped clamping block 124, the movable rod 122 is driven by a clamping motor 125, and the clamping motor 125 is mounted on the outer side wall of the pretreatment box 7.

[0029] Further, the two ends of the rodless cylinder 112 are connected with the first bearing 10 and the inner wall of the pretreatment box 7 through the fixing seat 111, the cutting blades 113 are upward, after the bagged cement is put into the pretreatment box 7, the left and right sides of the bagged cement are pressed on the cutting blades 113, the rodless cylinder 112 is started to drive the cutting blades 113 to move left and right, so that the two cutting blades 113 cut openings at the bottom of the bagged cement respectively, the effect of automatic closed bag opening and feeding of the cement is realized, and the dust floating caused by manual bag opening and feeding is avoided, and the respiratory health of the staff is affected.

[0030] Further, the two ends of the fixed rod 121 are connected with the side wall of the first bearing 10 and the inner wall of the pretreatment box 7, the movable rod 122 is rotationally connected with the pretreatment box 7, the movable rod 122 is rotated relative to the pretreatment box 7 and the fixed rod 121 through the clamping motor 125, the arc-shaped clamping block 124 is a block structure with a circular arc in the longitudinal section, one side of the arc-shaped clamping block 124 is integrally connected with the connecting block 123, the arc-shaped clamping block 124 is rotated through the connecting block 123 to drive the arc-shaped clamping block 124 to rotate, so that the arc-shaped clamping block 124 penetrates the cement bag to rotate to the upper side of the fixed rod 121 around the axis of the movable rod 122, the arc-shaped clamping block 124 is tightly attached to the upper surface of the fixed rod 121 to clamp the cement bag supported on the fixed rod 121, the other side of the arc-shaped clamping block 124 is in the shape of a sharp cone, which facilitates the arc-shaped clamping block 124 to penetrate the cement bag.

[0031] Further, the upper surface of the grinding disc 13 is connected with the guide plate 131, and the gap between the outer side wall of the grinding disc 13 and the inner wall of the pretreatment box 7 forms a grinding cavity 132, the grinding cavity 132 is wide at the top and narrow at the bottom, so that only the small particles of cement after grinding can flow downward through the grinding cavity 132, the outer side wall of the grinding shaft 8 is connected with the grinding disc 13 and the guide plate 131, the grinding shaft 8 is rotated through the grinding motor 9, the grinding disc 13 is rotated through the grinding shaft 8, so that the grinding disc 13 grinds the cement in the grinding cavity 132, and the guide plate 131 is in the shape of an umbrella with a narrow top and a wide bottom, and the guide plate 131 guides the cement falling from the cement bag to the grinding cavity 132.

[0032] Further, the top of the pretreatment box 7 is provided with a pretreatment box cover 16, a hinge 161 is connected between one side of the pretreatment box cover 16 and the pretreatment box 7, and the pretreatment box cover 16 is hinged with the pretreatment box 7 through the hinge 161, the pretreatment box cover 16 is used for sealing the pretreatment box 7, so that the dust does not float in the air during the falling process of the cement in the cement bag after cutting, and the effect of automatic closed bag opening and feeding of the cement is realized.

[0033] Further, the blanking pipe 14 is integrally connected with the pretreatment box 7, the blanking pipe 14 is arranged in an inclined manner, facilitating the cement powder in the blanking pipe 14 to flow into the mixing box 2, the top of the blanking pipe 14 is communicated with the grinding cavity 132, and the bottom of the blanking pipe 14 is communicated with the inner cavity of the mixing box 2, so that the cement ground by the pretreatment box 7 is directly introduced into the mixing box 2 for stirring and mixing.

[0034] Further, the middle part of the inner cavity of the mixing box 2 is provided with a partition plate 17, the bottom of the partition plate 17 is provided with a second bearing 171 between the middle shaft 18, the partition plate 17 is provided with a discharge port 172 penetratingly arranged on the partition plate 17, for the slurry mixed above the partition plate 17 to flow downward, the partition plate 17 is provided with a baffle 173 inside, for blocking the discharge port 172 during the mixing of raw materials, the baffle 173 moves to one side to open the discharge port 172 after the mixing is completed, the baffle 173 is connected with a sleeve ring 174 on one side, and the baffle 173 is connected with a handle 175 penetratingly arranged on the other side of the mixing box 2, the bottom of the middle shaft 18 is rotatably connected with the partition plate 17 through the second bearing 171, the baffle 173 is movably connected with the middle shaft 18 through the sleeve ring 174, the baffle 173 is moved by the handle 175, the sleeve ring 174 is rotated relative to the middle shaft 18 by the baffle 173, and the discharge port 172 is opened.

[0035] Further, the number of the stirring shafts 21 is two, one stirring shaft 21 is in an L shape, the structure of the stirring shaft 21 is fixed, and the stirring shaft 21 is only used for mixing and stirring raw materials, and the other stirring shaft 21 is provided with an expansion slot 211 inside, the expansion slot 211 is provided with an expansion rod 212 inside, the outer diameter of the expansion rod 212 is matched with the inner diameter of the expansion slot 211, the expansion rod 212 is connected with a scraper 213 on the side away from the stirring shaft 21, the stirring shaft 21 is provided with a jackscrew 214 penetratingly arranged on the top, the jackscrew 214 is threadedly connected with the side wall of the stirring shaft 21, and the jackscrew 214 extrudes the expansion rod 212 penetratingly arranged on the side wall of the stirring shaft 21, for positioning the expansion rod 212, and the expansion rod 212 is slidably expanded and contracted in the expansion slot 211, so that the stirring shaft 21 has the expansion function. In the extended state, the scraper 213 contacts the inner wall of the mixing box 2 for scraping and cleaning the slurry; in the retracted state, the stirring shaft 21 is used for stirring and mixing cement and water.

[0036] The use method of the embodiment is as follows: first, open the pretreatment box cover 16, place a bag of cement on the fixed rod 121 and the cutting blade 113, close the pretreatment box cover 16, the bottom of the bag of cement is supported by the cutting blade 113 and the fixed rod 121, then start the rodless cylinder 112, the moving part of the rodless cylinder 112 drives the two cutting blades 113 to move left and right, so that the two cutting blades 113 cut two openings in the bottom of the bag of cement, the openings are expanded to both sides under the extrusion of the cement, so that the cement in the bag falls into the pretreatment box 7 from the openings, then start the clamping motor 125, the clamping motor 125 drives the movable rod 122 to rotate, the movable rod 122 drives the arc-shaped clamping block 124 to rotate through the connecting block 123, so that the arc-shaped clamping block 124 is flipped to above the fixed rod 121 around the axis of the movable rod 122, the arc-shaped clamping block 124 pierces the cement bag through the sharp cone at one end, clamps the cement bag on the fixed rod 121, and avoids the cement bag from falling off the fixed rod 121, the cement falling out of the cement bag is guided by the pretreatment box 7 and the guide plate 131, and falls into the grinding cavity 132, the grinding shaft 8 is driven to rotate by the grinding motor 9, the grinding disc 13 is driven to rotate by the grinding shaft 8, and the grinding disc 13 grinds the cement in the grinding cavity 132, the large particles of the cement are changed into small particles by grinding and flow downward, and finally flow into the discharge pipe 14, a certain amount of water is introduced into the discharge pipe 14 through the water pipe 15, the cement accumulated in the discharge pipe 14 is washed into the mixing box 2 by the water flow, then the stirring motor 20 is started, the stirring motor 20 drives the middle shaft 18 to rotate, the middle shaft 18 drives the stirring shaft 21 to stir the cement and water, so that the raw materials are mixed to form slurry, then the baffle 173 is moved by rotating the handle 175, the baffle 173 drives the sleeve ring 174 to rotate relative to the middle shaft 18, so that the discharge port 172 is opened, the slurry in the mixing box 2 flows into the spiral discharge cylinder 3 from the discharge port 172, and finally is extruded from the slurry outlet 4, after the stirring is completed, the residual slurry on the inner wall of the mixing box 2 is scraped off by loosening the jackscrew 214, pulling the telescopic rod 212 to slide in the telescopic groove 211, the telescopic rod 212 drives the scraper 213 to move towards one side of the inner wall of the mixing box 2 until the scraper 213 contacts the inner wall of the mixing box 2, and then the telescopic rod 212 is fastened by the jackscrew 214, so that the middle shaft 18 is rotated to drive the stirring shaft 21 to rotate, and the stirring shaft 21 drives the scraper 213 to rotate through the telescopic rod 212, and the residual slurry on the inner wall of the mixing box 2 is scraped off by the scraper 213.

[0037] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the foregoing embodiments of the present application have been described in detail, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or replace some technical features with equivalent ones, without departing from the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A concrete grouting device, comprising a frame (1), a mixing box (2) mounted above the frame (1), a spiral discharge barrel (3) connected to the bottom of the mixing box (2), a slurry outlet (4) connected to one side of the spiral discharge barrel (3), and a grouting pump (5) connected to the other side of the spiral discharge barrel (3), characterized in that: The top of the frame (1) is vertically connected to a fixing frame (6), a pre-treatment box (7) is installed on the top of the fixing frame (6), a grinding shaft (8) is provided in the middle of the pre-treatment box (7), the grinding shaft (8) is driven by a grinding motor (9), a first bearing (10) is installed on the top of the grinding shaft (8), a notching mechanism (11) and a clamping mechanism (12) are installed between the first bearing (10) and the inner wall of the pre-treatment box (7), the notching mechanism (11) and the clamping mechanism (12) are arranged alternately and equidistantly in the circumferential direction in the pretreatment box (7), a grinding disc (13) is installed in the middle of the grinding shaft (8), a feed pipe (14) is connected to the bottom of the pretreatment box (7), a water pipe (15) is provided through the side wall of the feed pipe (14), a central shaft (18) is provided in the middle of the mixing box (2), a bracket (19) is installed on the top of the inner cavity of the mixing box (2), the bracket is cross-shaped, and both side walls of the central shaft (18) are connected to the stirring shaft (21); The cutting mechanism (11) includes two fixed seats (111), which are respectively installed on the outer wall of the first bearing (10) and the inner wall of the pretreatment box (7). A rodless cylinder (112) is installed between the two fixed seats (111), and a cutting blade (113) is installed on the moving part of the rodless cylinder (112); The clamping mechanism (12) comprises a fixed rod (121), a movable rod (122) is provided at the bottom of the fixed rod (121), a connecting block (123) is connected to the outer side wall of the middle portion of the movable rod (122), an arc-shaped clamping block (124) is connected to one end of the connecting block (123) away from the movable rod (122), and the movable rod (122) is driven by a clamping motor (125); The two ends of the fixed rod (121) are respectively connected to the side wall of the first bearing (10) and the inner wall of the pretreatment box (7); the movable rod (122) is rotatably connected to the pretreatment box (7); the arc-shaped clamping block (124) is a block-shaped structure with a longitudinal section of a circular arc; one side of the arc-shaped clamping block (124) is integrally connected to the connecting block (123); and the longitudinal section of the other side of the arc-shaped clamping block (124) is a pointed cone.

2. The concrete grouting device according to claim 1, characterized in that: The upper surface of the grinding disc (13) is connected to a guide plate (131), and a gap exists between the outer wall of the grinding disc (13) and the inner wall of the pretreatment box (7) to form a grinding chamber (132). The top of the grinding shaft (8) is rotatably connected to the fixed seat (111) and the fixed rod (121) via the first bearing (10). The outer wall of the grinding shaft (8) is connected to the grinding disc (13) and the guide plate (131), and the guide plate (131) is in the shape of an umbrella with a narrow upper portion and a wide lower portion.

3. The concrete grouting device according to claim 1, characterized in that: A pretreatment box cover (16) is provided on the top of the pretreatment box (7), and a hinge (161) is connected between one side of the pretreatment box cover (16) and the pretreatment box (7).

4. The concrete grouting device according to claim 1, characterized in that: The discharge pipe (14) is integrally connected to the pretreatment box (7), and the discharge pipe (14) is arranged at an angle. The top of the discharge pipe (14) is connected to the grinding chamber (132), and the bottom of the discharge pipe (14) is connected to the inner cavity of the mixing box (2).

5. The concrete grouting device according to claim 1, characterized in that: A partition (17) is installed in the middle of the inner cavity of the mixing box (2), a second bearing (171) is installed between the bottom of the partition (17) and the central axis (18), a discharge port (172) is opened through the partition (17), a baffle (173) is provided inside the partition (17), one side of the baffle (173) is connected to a collar (174), and the other side of the baffle (173) passes through the mixing box (2) and is connected to a handle (175), the bottom of the central axis (18) is rotatably connected to the partition (17) via the second bearing (171), and the baffle (173) is movably connected to the central axis (18) via the collar (174).

6. The concrete grouting device according to claim 1, characterized in that: There are two stirring shafts (21), one stirring shaft (21) is L-shaped, and a telescopic groove (211) is provided inside the other stirring shaft (21), a telescopic rod (212) is provided inside the telescopic groove (211), a scraper (213) is connected to the side of the telescopic rod (212) away from the stirring shaft (21), a top screw (214) is provided through the top of the stirring shaft (21), and the telescopic rod (212) slides and telescopes in the telescopic groove (211).

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