Gravity grading stoning machine with dust removal function

Abstract

The utility model provides a gravity grading stoning machine with a dust removal function, which comprises a base, a grading stoning machine body, a feed hopper, an air suction barrel, an air guide main pipe, a dust removal box, a first dust removal filter cartridge, a second dust removal filter cartridge, a first air guide branch pipe, a second air guide branch pipe, a first control valve, a second control valve, an air suction pipe, a first blanking pipe and a second blanking pipe, and a third control valve and a fourth control valve. According to the gravity grading stoning machine with the dust removal function, the basic function of removing dust and stones in grains can be achieved, after a user collects enough dust in the dust removal structure, the dust removal structure and the stoning machine body do not need to stop working, and the working efficiency is improved. And dust collected in the dust removal structure can be conveniently cleaned, so that the dust removal structure and the stoning machine can continuously work all the time, and the overall processing efficiency of dust removal and stoning treatment on grains is prevented from being influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to grain processing equipment technical field, concretely relates to a gravity grading stone removing machine with dust removal function. BACKGROUND

[0002] The gravity grading stone removing machine is a kind of equipment for grain grading and purification dust removal widely used in grain processing industry, and the gravity grading stone removing machine removes dust and stone in grain by using the difference of suspension velocity among stone, grain particle and dust.

[0003] The existing gravity grading stone removing machine can meet the basic function of removing dust and stone in grain, but after dust removal structure works for a period of time and collects more dust, it often needs to make dust removal structure and stone removing machine whole stop working, after completing the cleaning treatment of collected dust, dust removal structure and stone removing machine body can continue to work, so it will affect the overall processing efficiency of grain grading treatment, and it cannot fully meet people's use demand. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a gravity grading stone removing machine with dust removal function in view of the defects of prior art, which can meet the basic function of removing dust and stone in grain, and when dust removal structure collects enough dust, it does not need to make dust removal structure and stone removing machine body stop working, but can conveniently clean the dust collected in dust removal structure, so that dust removal structure and stone removing machine can always continuously work, thereby avoiding affecting the overall processing efficiency of dust removal and stone removing treatment of grain.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0006] The utility model provides a gravity grading stone remover with dust removal function, including base, the base is provided with the right oblique grading stone remover body, the top left end of grading stone remover body is provided with the feeding hopper, the top of grading stone remover body is still provided with the suction tube of right side of feeding hopper, the top of suction tube is provided with the right extension air guide main pipe, the right side wall of grading stone remover body is provided with dust removal box, the top inner wall of dust removal box is provided with the first dust removal filter cylinder and the second dust removal filter cylinder respectively on the front and back sides, the right end of air guide main pipe is provided with the first air guide branch pipe and the second air guide branch pipe through dust removal box and links to each other with first dust removal filter cylinder and second dust removal filter cylinder respectively, first air guide branch pipe and second air guide branch pipe are provided with first control valve and second control valve respectively, the outer side wall of dust removal box is provided with the exhaust fan, the exhaust end of exhaust fan is still provided with the exhaust pipe that links to each other with the inside of dust removal box, the bottom of first dust removal filter cylinder and second dust removal filter cylinder is provided with first discharge pipe and second discharge pipe respectively through the bottom of dust removal box, first discharge pipe and second discharge pipe are provided with third control valve and fourth control valve respectively.

[0007] As a further improvement of the utility model, the top front side of the dust removal box is also vertically provided with a first driving motor, the lower end of the output shaft of the first driving motor is also provided with a first stirring shaft matched with the first dust removal filter cylinder, and the side end of the first stirring shaft is provided with a first scraping plate matched with the first dust removal filter cylinder through a first connecting rod; the top rear side of the dust removal box is also vertically provided with a second driving motor, the lower end of the output shaft of the second driving motor is also provided with a second stirring shaft matched with the second dust removal filter cylinder, and the side end of the second stirring shaft is provided with a second scraping plate matched with the second dust removal filter cylinder through a second connecting rod.

[0008] As a further improvement of the utility model, the lower end of the first discharge pipe is also provided with a first threaded connection cylinder, and the bottom of the first threaded connection cylinder is fixedly provided with a first dust collection bag; the lower end of the second discharge pipe is also provided with a second threaded connection cylinder, and the bottom of the second threaded connection cylinder is fixedly provided with a second dust collection bag.

[0009] As a further improvement of the utility model, the side end of the first threaded connection cylinder is also provided with a first handle; the second threaded connection cylinder is also provided with a second handle.

[0010] As a further improvement of the utility model, the bottom side end of the base is also provided with an extension plate, and the extension plate is also provided with foundation bolts for connecting with the ground.

[0011] As a further improvement of the utility model, the side end of the dust removal box is provided with a first fixing plate, the first fixing plate is provided with first fixing bolts for screwing with the stone remover body, and the stone remover body is provided with first threaded fixing holes matched with the first fixing bolts.

[0012] As a further improvement of the utility model, the side end of the air extractor is provided with a second fixing plate, the second fixing plate is provided with a second fixing bolt for screwing with the stone removing machine body, and the stone removing machine body is provided with a second threaded fixing hole matched with the second fixing bolt.

[0013] Compared with the prior art, the utility model has the advantages as follows:

[0014] Firstly, the first dust removal filter cylinder, the first air guide branch pipe, the first control valve, the first discharging pipe, the third control valve, the second dust removal filter cylinder, the second air guide branch pipe, the second control valve, the second discharging pipe and the fourth control valve are matched, the first dust removal filter cylinder and the second dust removal filter cylinder are alternately used to collect and clean dust, the technical scheme effectively solves the technical problem in the prior art that only one dust removal structure is used to collect and clean dust, the dust removal mechanism and the stone removing machine body need to be stopped after a period of use, and the dust collected by the dust removal structure needs to be cleaned before the dust removal and processing and stone removing processing of the grain can be continued, thereby affecting the overall efficiency of the grain processing, and the technical effect that the dust removal structure and the stone removing machine body can continuously work without stopping when the dust removal structure collects enough dust is achieved.

[0015] Secondly, the first driving motor, the first driving shaft, the first connecting rod and the first scraping plate are matched to scrape and collect the dust adhered to the inner wall of the first dust removal filter cylinder, and the second driving motor, the second driving shaft, the second connecting rod and the second scraping plate are matched to scrape and collect the dust adhered to the inner wall of the second dust removal filter cylinder, so that the technical problem that the filter hole of the dust removal structure is easily blocked by a large amount of dust in a short time in the prior art is effectively solved, the technical effect that the worker can dredge the dust removal structure at a lower frequency, the dust removal structure can work continuously and effectively for a long time, and the overall processing efficiency is not affected is achieved.

[0016] Thirdly, since the cooperation of the first driving motor, the first driving shaft, the first connecting rod and the first scraping plate is adopted to scrape the dust adhered to the inner wall of the first dust removal filter cylinder, the cooperation of the second driving motor, the second driving shaft, the second connecting rod and the second scraping plate is adopted to scrape the dust adhered to the inner wall of the second dust removal filter cylinder, and the first dust removal filter cylinder and the second dust removal filter cylinder are designed as the conical cylinder, the technical problem that the dust collected in the dust removal structure cannot be conveniently and completely discharged is solved, and the technical scheme that the worker can quickly and completely clean and discharge the dust collected in the dust removal structure is achieved.

[0017] Fourthly, since the first threaded connecting cylinder is arranged at the lower end of the first discharging pipe, the second dust collecting bag is arranged at the bottom of the first threaded connecting cylinder, the first threaded connecting cylinder is arranged at the lower end of the second discharging pipe, and the second dust collecting bag is arranged at the bottom of the second threaded connecting cylinder, the technical problem that the dust transferred out of the dust removal structure cannot be conveniently collected is solved, and the technical effect that the user can conveniently collect the dust collected in the dust removal structure is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a structural schematic view of the first dust removal filter cylinder, the second dust removal filter cylinder, the first driving motor, the first stirring shaft, the second driving motor and the second stirring shaft of the utility model;

[0021] Figure 3 It is a structural schematic view of the first air guide branch pipe, the second air guide branch pipe, the first control valve, the second control valve and the air extractor of the utility model;

[0022] Figure 4 It is a structural schematic view of the first driving motor, the first stirring shaft, the first connecting rod and the first scraping plate of the utility model;

[0023] Figure 5 It is a structural schematic view of the second driving motor, the second stirring shaft, the second connecting rod and the second scraping plate of the utility model.

[0024] In the figure: 101, base; 102, grading stoning machine body; 103, feeding hopper; 104, suction cylinder; 105, air guide main pipe; 106, dust removal box; 107, first dust removal filter cylinder; 108, second dust removal filter cylinder; 109, first air guide branch pipe; 110, second air guide branch pipe; 111, first control valve; 112, second control valve; 113, air suction fan; 114, air suction pipe; 115, first discharging pipe; 116, second discharging pipe; 117, third control valve; 118, fourth control valve; 201, first driving motor; 202, first stirring shaft; 203, first connecting rod; 204, first scraping plate; 205, first threaded connecting cylinder; 206, first dust collection bag; 207, first screw handle; 301, second driving motor; 302, second stirring shaft; 303, second connecting rod; 304, second scraping plate; 305, second threaded connecting cylinder; 306, second dust collection bag; 307, second screw handle; 401, extension plate; 402, anchor bolt; 403, first fixed plate; 404, first fixed bolt; 405, second fixed plate; 406, second fixed bolt. DETAILED DESCRIPTION

[0025] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0027] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0028] In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second" and the like appear in the description of the present application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0029] In addition, if the terms "horizontal", "vertical" and the like appear in the description of the present application, they do not mean that the component must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0030] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, if the terms "provided", "installed", "connected", "connected" appear, they should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, or can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] Embodiment:

[0032] As Figure 1 , 2As shown in figures 1-3, a gravity grading stone removing machine with dust removal function, comprising a base 101, a right-tilted grading stone removing machine body 102 is arranged on the base 101, a feeding hopper 103 is arranged at the top left end of the grading stone removing machine body 102, a suction cylinder 104 is arranged at the right side of the feeding hopper 103 on the top of the grading stone removing machine body 102, a right-extending air guide main pipe 105 is arranged at the top of the suction cylinder 104, a dust removal box 106 is arranged on the right side wall of the grading stone removing machine body 102, a first dust removal filter cylinder 107 and a second dust removal filter cylinder 108 with a conical bottom are respectively arranged at the front and back of the inner wall of the top of the dust removal box 106, a first air guide branch pipe 109 and a second air guide branch pipe 110 are arranged at the right end of the air guide main pipe 105 and respectively connected with the first dust removal filter cylinder 107 and the second dust removal filter cylinder 108, a first control valve 111 and a second control valve 112 are respectively arranged at the first air guide branch pipe 109 and the second air guide branch pipe 110, an air extractor 113 is arranged on the outer wall of the dust removal box 106, an air extraction pipe 114 connected with the inside of the dust removal box 106 is arranged at the air extraction end of the air extractor 113, a first discharge pipe 115 and a second discharge pipe 116 are respectively arranged at the bottom of the first dust removal filter cylinder 107 and the second dust removal filter cylinder 108 and pass through the bottom of the dust removal box 106, a third control valve 117 and a fourth control valve 118 are respectively arranged at the first discharge pipe 115 and the second discharge pipe 116.

[0033] As shown in figures 1-3, Figure 1 , 2 , 2, 3, 4, a first driving motor 201 is further vertically arranged at the top front side of the dust removal box 106, a first stirring shaft 202 matched with the first dust removal filter cylinder 107 is further arranged at the lower end of the output shaft of the first driving motor 201, a first material scraping plate 204 matched with the first dust removal filter cylinder 107 is further arranged at the side end of the first stirring shaft 202 through a first connecting rod 203; a second driving motor 301 is further vertically arranged at the top rear side of the dust removal box 106, a second stirring shaft 302 matched with the second dust removal filter cylinder 108 is further arranged at the lower end of the output shaft of the second driving motor 301, a second material scraping plate 304 matched with the second dust removal filter cylinder 108 is further arranged at the side end of the second stirring shaft 302 through a second connecting rod 303.

[0034] As shown in figures 1-3, Figure 1 , 2 , 2, 3, 5, an extension plate 401 is further arranged at the bottom side end of the base 101, a foundation bolt 402 used to connect with the ground is further arranged on the extension plate 401. After the position adjustment of the device is completed, the worker can make the foundation bolt 402 pass through the extension plate 401 and connect with the ground, so as to avoid the easy deviation and side end of the device in the working process, and make the device have more significant stability in the working process.

[0035] As shown in figures 1-3,Figure 3 As shown, the side end of the dust removal box 106 is provided with a first fixed plate 403, and the first fixed plate 403 is provided with a first fixed bolt 404 for screwing and fixing with the body of the stone removing machine. The body of the stone removing machine is provided with a first threaded fixing hole matched with the first fixed bolt 404. Only by making the first fixed bolt 404 pass through the first fixed plate 403 and screwing and fixing with the first threaded fixing hole, the flexible fixing of the dust removal box 106 with the body of the stone removing machine can be realized.

[0036] As shown, Figure 3 The side end of the dust removal box 106 is provided with a first fixed plate 403, and the first fixed plate 403 is provided with a first fixed bolt 404 for screwing and fixing with the body of the stone removing machine. The body of the stone removing machine is provided with a first threaded fixing hole matched with the first fixed bolt 404. Only by making the first fixed bolt 404 pass through the first fixed plate 403 and screwing and fixing with the first threaded fixing hole, the flexible fixing of the dust removal box 106 with the body of the stone removing machine can be realized.

[0037] The worker can first open the first control valve 111, and close the second control valve 112, the third control valve 117 and the fourth control valve 118, so that the first air guide branch pipe 109 and the first dust removal filter cylinder 107 work, and the second air guide branch pipe 110 and the second dust removal filter cylinder 108 are in standby state; then the dust removal and stone removing machine body are started, and the grain to be treated is added to the dust removal and stone removing machine body through the feeding hopper 103, and after the treatment of the dust removal and stone removing machine body, the grain is discharged through the discharge end at the bottom right end of the dust removal and stone removing machine body, and the stone is discharged through the discharge end at the bottom left end; under the suction of the dust removal and stone removing machine body, the inside of the dust removal box 106, the first air guide main pipe 105, the air guide main pipe 105 and the inside upper end of the dust removal and stone removing machine body all produce negative pressure, so that the dust is discharged from the inside of the dust removal and stone removing machine body through the air suction cylinder 104, and then the airflow containing dust enters the first dust removal filter cylinder 107 through the air guide main pipe 105 and the first air guide branch pipe 109, and then the dust is intercepted because it cannot pass through the filter hole of the first dust removal filter cylinder 107, and the airflow passes through the filter hole of the first dust removal filter cylinder 107 and is sucked to the outside of the dust removal box 106 by the dust removal pipe 114 and the dust removal fan 113, so that the dust is intercepted and collected by the first dust removal filter cylinder 107.

[0038] In the process of collecting and processing dust by the first dust removal filter cylinder 107, the first driving motor 201 can be started, the first stirring shaft 202 and the first connecting rod 203 are used to make the first scraping plate 204 scrape and clean the dust adhered to the inner wall of the first dust removal filter cylinder 107, so that the filter holes of the first dust removal filter cylinder 107 are not blocked in a short time, thereby prolonging the working time of the first dust removal filter cylinder 107, and avoiding the need for the user to clean and process the first dust removal filter cylinder 107 every short time.

[0039] After a period of time, when enough dust is collected in the first dust removal filter cylinder 107, the first control valve 111 is closed, the second control valve 112 is opened, the second air guide branch pipe 110 and the second dust removal filter cylinder 108 replace the first air guide branch pipe 109 and the first dust removal filter cylinder 107 to collect and process dust, and the second driving motor 301, the second stirring shaft 302, the second connecting rod 303 and the second scraping plate 304 are used to assist in dust collection; then the third control valve 117 is opened, and the dust collected in the first dust removal filter cylinder 107 is discharged through the first discharge pipe 115. In this process, the first driving motor 201 is used to make the first scraping plate 204 scrape and clean the dust adhered in the first dust removal filter cylinder 107, so that the dust collected in the first dust removal filter cylinder 107 is quickly and completely discharged. Then the third control valve 117 is closed, so that the device can continuously collect and process dust without stopping.

[0040] After a period of time, when enough dust is collected in the second dust removal filter cylinder 108, the first air guide branch pipe 109 and the first dust removal filter cylinder 107 are used to work alternately, the fourth control valve 118 is opened, the dust is discharged through the second discharge pipe, and the second driving motor 301, the second stirring shaft 302, the second connecting rod 303 and the second scraping plate 304 are used to assist in discharging. Therefore, the user can conveniently clean and process the dust collected in the dust removal structure without stopping the dust removal structure and the stone removing machine body, so that the dust removal structure and the stone removing machine can always work continuously, thereby improving the working efficiency of the device.

[0041] According to another embodiment of the present application, as shown in Figure 4 、 5 The lower end of the first discharge pipe 115 is also provided with a first threaded connection cylinder 205, and the bottom of the first threaded connection cylinder 205 is fixedly provided with a first dust collection bag 206. The lower end of the second discharge pipe 116 is also provided with a second threaded connection cylinder 305, and the bottom of the second threaded connection cylinder 305 is fixedly provided with a second dust collection bag 306.

[0042] According to another embodiment of the present application, as shown inFigure 4 、 5 As shown in FIG. 10, the side end of the first threaded connecting cylinder 205 is further provided with a first handle 207; the second threaded connecting cylinder 305 is further provided with a second handle 307. The first handle 207 can be used to conveniently adjust the rotation of the first threaded connecting cylinder 205, so as to conveniently realize or release the screwing fixing of the first threaded connecting cylinder 205 and the first blanking pipe 115; the second handle 307 can be used to conveniently adjust the rotation of the second threaded connecting cylinder 305, so as to conveniently realize or release the screwing fixing of the second threaded connecting cylinder 305 and the second blanking pipe 116.

[0043] The preferred embodiments of the present application have been described above with the aid of drawings, but those skilled in the art will understand that the present application can be modified and altered in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of protection of the present application.

Claims

1. A gravity grading stoner with dust removal function, comprising a base (101), wherein a right-inclined grading stoner body (102) is arranged on the base (101), a feeding hopper (103) is arranged at the top left end of the grading stoner body (102), and a suction cylinder (104) is arranged at the top of the grading stoner body (102) and located at the right side of the feeding hopper (103), characterized in that: The top of the air suction cylinder (104) is provided with a wind guide main pipe (105) extending to the right, a dust removal box (106) is arranged on the right side wall of the body (102) of the grading stone remover, a first dust removal filter cylinder (107) with a conical lower end and an open bottom and a second dust removal filter cylinder (108) are arranged on the front and rear sides of the inner wall of the top of the dust removal box (106) respectively, the right end of the wind guide main pipe (105) is provided with a first wind guide branch pipe (109) and a second wind guide branch pipe (110) penetrating through the dust removal box (106) and communicating with the first dust removal filter cylinder (107) and the second dust removal filter cylinder (108) respectively, the first wind guide branch pipe (109) and the second wind guide branch pipe (110) are provided with a first control valve (111) and a second control valve (112) respectively, a suction fan (113) is arranged on the outer side wall of the dust removal box (106), the suction end of the suction fan (113) is further provided with a suction pipe (114) communicating with the inside of the dust removal box (106), the bottoms of the first dust removal filter cylinder (107) and the second dust removal filter cylinder (108) are provided with a first discharging pipe (115) and a second discharging pipe (116) penetrating through the bottom of the dust removal box (106) respectively, the first discharging pipe (115) and the second discharging pipe (116) are provided with a third control valve (117) and a fourth control valve (118) respectively. ​ 2. The gravity-based grading and dust removal machine according to claim 1, wherein: The top front side of the dust removal box (106) is further vertically provided with a first driving motor (201), the lower end of the output shaft of the first driving motor (201) is further provided with a first stirring shaft (202) matched with the first dust removal filter cylinder (107), the side end of the first stirring shaft (202) is provided with a first material scraping plate (204) matched with the first dust removal filter cylinder (107) through a first connecting rod (203); the top rear side of the dust removal box (106) is further vertically provided with a second driving motor (301), the lower end of the output shaft of the second driving motor (301) is further provided with a second stirring shaft (302) matched with the second dust removal filter cylinder (108), the side end of the second stirring shaft (302) is provided with a second material scraping plate (304) matched with the second dust removal filter cylinder (108) through a second connecting rod (303).

3. The gravity-based grading and dust removal machine according to claim 2, wherein: The lower end of the first discharging pipe (115) is further provided with a first threaded connection cylinder (205) screwed, the bottom of the first threaded connection cylinder (205) is fixedly provided with a first dust collecting bag (206); the lower end of the second discharging pipe (116) is further provided with a second threaded connection cylinder (305) screwed, the bottom of the second threaded connection cylinder (305) is fixedly provided with a second dust collecting bag (306).

4. The gravity-based grading and dust removal machine according to claim 3, wherein: The side end of the first threaded connection cylinder (205) is further provided with a first handle (207); the second threaded connection cylinder (305) is further provided with a second handle (307).

5. The gravity-based grading and dust removal machine according to claim 4, wherein: The bottom side end of the base (101) is further provided with an extension plate (401), the extension plate (401) is further provided with a foundation bolt (402) used to connect with the ground. The bottom side end of the base (101) is further provided with an extension plate (401), the extension plate (401) is further provided with a foundation bolt (402) used to connect with the ground.

6. The gravity-based grading and dust removal machine according to claim 5, wherein: The side end of the dust removal box (106) is provided with a first fixed plate (403), and a first fixed bolt (404) for screwing with the body of the stone removing machine is arranged on the first fixed plate (403), and the body of the stone removing machine is provided with a first threaded fixing hole matched with the first fixed bolt (404).

7. The gravity-based grading and dust removal machine according to claim 6, wherein: The side end of the dust removal box (106) is provided with a first fixed plate (403), and a first fixed bolt (404) for screwing with the body of the stone removing machine is arranged on the first fixed plate (403), and the body of the stone removing machine is provided with a first threaded fixing hole matched with the first fixed bolt (404). The side end of the dust removal box (106) is provided with a first fixed plate (403), and a first fixed bolt (404) for screwing with the body of the stone removing machine is arranged on the first fixed plate (403), and the body of the stone removing machine is provided with a first threaded fixing hole matched with the first fixed bolt (404).

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