Angle-adjustable stone grinding machine

Abstract

The utility model relates to the technical field of grinding equipment, in particular to an angle-adjustable stone grinding machine which comprises a machine frame, a grinding mechanism and a working table, the working table is arranged at the front end of the top face of the machine frame, the grinding mechanism is arranged behind the working table, and the grinding mechanism comprises a stand column, a motor, a grinding belt and a first electric linear push rod. The stand column is vertically installed on the machine frame, the motor is installed below the front face of the stand column, the grinding belt is arranged above the front face of the stand column, a first rotating shaft is arranged at the lower end of the grinding belt, and a second rotating shaft is arranged at the upper end of the grinding belt. One end of the first electric linear push rod is hinged to one end of the second rotating shaft; the motor is connected with the first rotating shaft. The stone grinding machine can conduct multi-angle grinding on heavy stone, and the equipment application range is effectively widened.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding equipment, in particular to a stone grinding machine with adjustable angle. Background Art

[0002] The surface of the stone needs to be polished during the stone processing process, but the existing grinders are difficult to adjust the grinding angle of the stone, and the fixtures need to be repeatedly replaced and adjusted to adjust the angle of the stone, resulting in low work efficiency and poor stone polishing effect.

[0003] In the prior art, the utility model with authorization announcement number CN218194339U discloses an intelligent stone polishing machine capable of polishing stone at multiple angles, which comprises a table panel, the upper surface of which is fixedly connected to the lower surface of a fixed frame, the inner wall of which is fixedly connected to the outer surface of a polisher, the upper surface of which is fixedly connected to the lower surface of a connecting frame, and the inner wall of which is slidably connected to the outer surface of a slide. By providing a fixed seat, a rack, a gear, a transmission rod, a worm wheel and a worm, the polishing machine can adjust the angle of the stone during the polishing process, so that the polishing machine can polish the stone at multiple angles.

[0004] In the process of realizing the utility model, the inventors found that there are at least the following problems in the prior art: the patented technology adjusts the fixing seat by gear transmission, which can only adjust the angle of light stones and has a small scope of application. Summary of the invention

[0005] Aiming at the deficiencies of the prior art, the utility model develops an angle-adjustable stone grinding machine, which can grind heavy stones at multiple angles, thereby effectively improving the application range of the equipment.

[0006] The technical solution of the utility model to solve the technical problem is: the embodiment of the utility model provides an angle-adjustable stone grinder, including a frame, a grinding mechanism, and a workbench. The workbench is arranged at the front end of the top surface of the frame, and the grinding mechanism is arranged behind the workbench. The grinding mechanism includes a column, a motor, a grinding belt, and an electric linear push rod. The column is vertically installed on the frame, the motor is installed below the front of the column, the grinding belt is arranged above the front of the column, the lower end of the grinding belt is provided with a rotating shaft 1, and the upper end is provided with a rotating shaft 2. The two ends of the rotating shaft 1 are connected to the column through a bearing seat, and the two ends of the rotating shaft 2 are respectively connected to an electric linear push rod 1, one end of the electric linear push rod 1 is hinged to one end of the rotating shaft 2, and the other end is hinged to the column; the motor is connected to the rotating shaft 1.

[0007] As an optimization, the grinding mechanism also includes a transmission mechanism, which is a belt and pulley transmission mechanism. The transmission mechanism includes two pulleys and a belt. The two pulleys are respectively installed on the output shaft of the motor and the rotating shaft, and the belt connects the two pulleys.

[0008] As an optimization, the grinding belt also includes a sanding belt, a roller, and a side plate. The sanding belt is annular, and two parallel side plates are provided. A roller is provided at each end of the side plate. The two ends of the rotating shaft 1 are connected to the lower end of the side plate through bearings, and the two ends of the rotating shaft 2 are connected to the upper end of the side plate through bearings. The rollers are respectively installed on the rotating shaft 1 and the rotating shaft 2, and the sanding belt connects the rotating shaft 1 and the rotating shaft 2. The motor drives the rotating shaft 1 to rotate, which can drive the roller to rotate, thereby driving the sanding belt to rotate to grind the stone.

[0009] As an optimization, a top plate is set on the top surface of the frame, a working hole is set in the middle of the top plate, the grinding mechanism passes through the working hole on the top plate, the upper half of the grinding mechanism is located above the top plate, the lower half is located below the top plate, and the middle part of the column is connected to the top plate.

[0010] As an optimization, the workbench includes a base and a swing plate. The base is arranged on the top plate, and an arc-shaped groove is arranged on the top surface of the base. The swing plate is arranged on the base, and an arc-shaped protrusion corresponding to the arc-shaped groove on the top surface of the base is arranged on the bottom surface of the swing plate.

[0011] As an optimization, the workbench also includes an electric linear push rod 2, a pressure rod, a back plate, and a top block. The back plate is vertically arranged, the upper end of the back plate is connected to the bottom surface of the base, the back plate is connected to the top plate, the back plate is L-shaped, the electric linear push rod 2 is vertically installed at the lower end of the back plate, the top block is an inclined block that is narrow at the top and wide at the bottom, and the top block is installed on the telescopic rod of the electric linear push rod 2, the pressure rod is connected to the back plate through a rotating shaft, the lower end of the pressure rod is in contact with the inclined surface of the top block, and the upper end is located at the front end above the swing plate.

[0012] As an optimization, the workbench also includes rollers and connecting plates. The rollers are respectively arranged at the upper and lower ends of the pressure rod through a rotating shaft, and the connecting plates are respectively arranged at both sides of the top of the back plate. The two ends of the pressure rod are connected to the connecting plates through a rotating shaft.

[0013] As an optimization, the workbench also includes ear plates and rib plates. A rib plate is arranged on each side of the back plate. The ear plates are horizontally arranged on the top of the rib plates. The ear plates connect the rib plates and the connecting plates. The bottom surface of the ear plates is connected to the top surface of the top plate. The workbench passes through the working hole on the top plate, and the connecting plate is located above the top plate.

[0014] As an optimization, the workbench also includes a movable plate, a guide rail, and a guide sleeve. The guide rail is vertically installed on the back plate, the guide sleeve is connected to the movable plate, the guide sleeve is installed on the guide rail, and the top block is connected to the movable plate.

[0015] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:

[0016] 1. The angle of the grinding belt can be adjusted by controlling the length of the electric linear push rod, so that the stone can be grinded at multiple angles. The stone grinder can grind heavy stones at multiple angles by adjusting the angle of the grinding belt, effectively improving the application range of the equipment.

[0017] 2. The grinding mechanism is arranged to pass through the top plate and its lower part is hidden, which can reduce the size of the equipment.

[0018] 3. During operation, the base is fixed, the stone is fixed on the swing plate, and the angle of the stone relative to the grinding mechanism can be adjusted by pushing the stone or the swing plate forward and backward. After the angle is determined, the stone and the swing plate are fixed, and the grinding mechanism is started to adjust the different angles of the stone.

[0019] 4. During operation, the stone is fixed on the swing plate, and the upper end of the pressure rod contacts the side of the stone. The extension rod of the second electric linear actuator can drive the top block to rise, and the top block pushes the lower end of the pressure rod to rotate outward, while the upper end of the pressure rod rotates in the opposite direction to the swing plate, thereby pushing the stone to rotate and adjust the angle of the stone. Through the form of inclined jacking and lever, the rotation of the stone can be achieved with very little force, and it can be used for heavy stones.

[0020] 5. By setting the moving plate, guide rail and guide sleeve, the horizontal position of the top block is limited, avoiding the loss of the electric linear actuator. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front view of an embodiment of the utility model.

[0022] Figure 2 for Figure 1 Cross-sectional view along the AA direction.

[0023] Figure 3 for Figure 2 A partial enlarged view of area B.

[0024] Figure 4 It is a three-dimensional diagram of an embodiment of the utility model.

[0025] Figure 5 It is a three-dimensional diagram of a grinding mechanism according to an embodiment of the utility model.

[0026] Figure 6 The utility model is a three-dimensional diagram of a grinding belt according to an embodiment.

[0027] Figure 7 It is a right side view of a workbench according to an embodiment of the utility model.

[0028] Figure 8 This is a front view of a workbench according to an embodiment of the utility model.

[0029] Fig. 9 , Fig.10 The utility model is a three-dimensional diagram of a workbench according to an embodiment.

[0030] Fig.11 This is a three-dimensional diagram of a back plate according to an embodiment of the utility model.

[0031] Among them: frame 1, grinding mechanism 2, workbench 3, top plate 11, column 21, motor 22, grinding belt 23, transmission mechanism 24, electric linear push rod 1 25, sanding belt 231, roller 232, side plate 233, rotating shaft 1 234, rotating shaft 235, base 31, swing plate 32, electric linear push rod 2 33, pressure rod 34, roller 35, connecting plate 36, back plate 37, ear plate 38, rib plate 39, top block 310, moving plate 311, guide rail 312, guide sleeve 313. DETAILED DESCRIPTION

[0032] In order to clearly illustrate the technical features of the present invention, the present invention is described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0033] Figures 1 to 11 The first embodiment of the present utility model is as follows: Figure 3 As shown, an angle-adjustable stone grinding machine comprises a frame 1, a grinding mechanism 2, and a workbench 3, wherein the workbench 3 is arranged at the front end of the top of the frame 1, and the grinding mechanism 2 is arranged behind the workbench 3.

[0034] like Figure 5 As shown, the grinding mechanism 2 includes a column 21, a motor 22, a grinding belt 23, and an electric linear push rod 1 25. The column 21 is vertically mounted on the frame 1, the motor 22 is mounted below the front of the column 21, the grinding belt 23 is arranged above the front of the column 21, the lower end of the grinding belt 23 is provided with a rotating shaft 1 234, and the upper end is provided with a rotating shaft 2 235. The two ends of the rotating shaft 1 234 are connected to the column 21 through a bearing seat, and the two ends of the rotating shaft 235 are respectively connected to an electric linear push rod 1 25, one end of the electric linear push rod 1 25 is hinged to one end of the rotating shaft 2 235, and the other end is hinged to the column 21; the motor 22 is connected to the rotating shaft 1 234. The grinding mechanism 2 also includes a transmission mechanism 24, which is a belt and pulley transmission mechanism, and the transmission mechanism 24 includes two pulleys and a belt. The two pulleys are respectively mounted on the output shaft of the motor 22 and the rotating shaft 1 234, and the belt connects the two pulleys.

[0035] like Figure 6As shown, the grinding belt 23 also includes a sanding belt 231, a roller 232, and a side plate 233. The sanding belt 231 is annular, and two parallel side plates 233 are provided. A roller 232 is provided at both ends of the side plates 233. The two ends of the rotating shaft 1 234 are connected to the lower end of the side plate 233 through bearings, and the two ends of the rotating shaft 235 are connected to the upper end of the side plate 233 through bearings. The roller 232 is respectively installed on the rotating shaft 1 234 and the rotating shaft 2 235, and the sanding belt 231 connects the rotating shaft 1 234 and the rotating shaft 2 235. The motor 22 drives the rotating shaft 1 234 to rotate, which can drive the roller 232 to rotate, thereby driving the sanding belt 231 to rotate to grind the stone.

[0036] like Figure 3 As shown, a top plate 11 is provided on the top surface of the frame 1, a working hole is provided in the middle of the top plate 11, the grinding mechanism 2 passes through the working hole on the top plate 11, the upper half of the grinding mechanism 2 is located above the top plate 11, the lower half is located below the top plate 11, and the middle of the column 21 is connected to the top plate 11. The grinding mechanism 2 is arranged to pass through the top plate 11 and its lower half is hidden, which can reduce the volume of the equipment.

[0037] like Figures 7 to 10 As shown, the workbench 3 includes a base 31 and a swing plate 32. The base 31 is arranged on the top plate 11, and the top surface of the base 31 is provided with an arc-shaped groove. The swing plate 32 is arranged on the base 31, and the bottom surface of the swing plate 32 is provided with an arc-shaped protrusion corresponding to the arc-shaped groove on the top surface of the base 31.

[0038] The workbench 3 also includes an electric linear push rod 2 33, a pressure rod 34, a back plate 37, and a top block 310. The back plate 37 is vertically arranged, the upper end of the back plate 37 is connected to the bottom surface of the base 31, the back plate 37 is connected to the top plate 11, the back plate 37 is L-shaped, the electric linear push rod 2 33 is vertically installed at the lower end of the back plate 37, the top block 310 is an inclined block with a narrow upper part and a wide lower part, and the top block 310 is installed on the telescopic rod of the electric linear push rod 2 33, the pressure rod 34 is connected to the back plate 37 through a rotating shaft, the lower end of the pressure rod 34 is in contact with the inclined surface of the top block 310, and the upper end is located at the front end above the swing plate 32.

[0039] The workbench 3 further includes a roller 35 and a connecting plate 36. The roller 35 is respectively provided at the upper and lower ends of the pressure rod 34 through a rotating shaft. The connecting plate 36 is respectively provided at both sides of the top of the back plate 37. The two ends of the pressure rod 34 are connected to the connecting plate 36 through a rotating shaft.

[0040] The workbench 3 also includes an ear plate 38 and a rib plate 39. The rib plate 39 is respectively arranged on both sides of the back plate 37. The ear plate 38 is horizontally arranged on the top of the rib plate 39. The ear plate 38 connects the rib plate 39 and the connecting plate 36. The bottom surface of the ear plate 38 is connected to the top surface of the top plate 11. The workbench 3 passes through the working hole on the top plate 11, and the connecting plate 36 is located above the top plate 11.

[0041] The workbench 3 further includes a moving plate 311, a guide rail 312, and a guide sleeve 313. The guide rail 312 is vertically mounted on the back plate 37. The guide sleeve 313 is connected to the moving plate 311. The guide sleeve 313 is mounted on the guide rail 312. The top block 310 is connected to the moving plate 311. By setting the moving plate 311, the guide rail 312, and the guide sleeve 313, the horizontal position of the top block 310 is limited, and the loss of the electric linear actuator 33 is avoided.

[0042] During operation, the base 31 is fixed, and the stone is fixed on the swing plate 32. The stone or the swing plate 32 can be pushed forward and backward to adjust the angle of the stone relative to the grinding mechanism 2. After the angle is determined, the stone and the swing plate 32 are fixed, and the grinding mechanism 2 is started to adjust the different angles of the stone. The stone is fixed on the swing plate 32, and the upper end of the pressure rod 34 contacts the side of the stone. The extension of the telescopic rod of the electric linear push rod 2 33 can drive the top block 310 to rise, and the top block 310 pushes the lower end of the pressure rod 34 to rotate outward, while the upper end of the pressure rod 34 rotates in the opposite direction to the swing plate 32, thereby pushing the stone to rotate and adjusting the angle of the stone. Through the form of inclined jacking and lever, the rotation of the stone can be achieved with very little force, and can be used for heavy stones.

[0043] The length of the electric linear push rod 25 can be controlled to adjust the angle of the grinding belt 23, so that the stone can be ground at multiple angles. By adjusting the angle of the grinding belt 23, the stone grinding machine can grind heavy stones at multiple angles, effectively improving the application range of the equipment.

[0044] Although the specific implementation methods of the utility model are described above in conjunction with the accompanying drawings, this does not limit the scope of protection of the utility model. On the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. An angle-adjustable stone grinding machine, comprising a frame (1), a grinding mechanism (2), and a workbench (3), wherein the workbench (3) is arranged at the front end of the top surface of the frame (1), and the grinding mechanism (2) is arranged at the rear of the workbench (3), wherein: The grinding mechanism (2) comprises a column (21), a motor (22), a grinding belt (23), and an electric linear push rod (25). The column (21) is vertically mounted on the frame (1). The motor (22) is mounted below the front of the column (21). The grinding belt (23) is arranged above the front of the column (21). A rotating shaft (234) is arranged at the lower end of the grinding belt (23), and a rotating shaft (235) is arranged at the upper end. Both ends of the rotating shaft (234) are connected to the column (21) through a bearing seat. Both ends of the rotating shaft (235) are respectively connected to an electric linear push rod (25). One end of the electric linear push rod (25) is hinged to one end of the rotating shaft (235), and the other end is hinged to the column (21). The motor (22) is connected to the rotating shaft (234).

2. The angle-adjustable stone grinding machine according to claim 1, characterized in that: The grinding mechanism (2) also includes a transmission mechanism (24), which is a belt and pulley transmission mechanism. The transmission mechanism (24) includes two pulleys and a belt. The two pulleys are respectively installed on the output shaft of the motor (22) and the rotating shaft (234), and the belt connects the two pulleys.

3. The angle-adjustable stone grinding machine according to claim 1, characterized in that: The grinding belt (23) further comprises a sanding belt (231), a roller (232), and a side plate (233). The sanding belt (231) is annular. Two parallel side plates (233) are provided. A roller (232) is provided at each end of the side plate (233). The two ends of the first rotating shaft (234) are connected to the lower end of the side plate (233) through bearings. The two ends of the second rotating shaft (235) are connected to the upper end of the side plate (233) through bearings. The roller (232) is respectively installed on the first rotating shaft (234) and the second rotating shaft (235). The sanding belt (231) connects the first rotating shaft (234) and the second rotating shaft (235).

4. The angle-adjustable stone grinding machine according to claim 1, characterized in that: A top plate (11) is arranged on the top surface of the frame (1), a working hole is arranged in the middle of the top plate (11), the grinding mechanism (2) passes through the working hole on the top plate (11), the upper half of the grinding mechanism (2) is located above the top plate (11), and the lower half is located below the top plate (11), and the middle part of the column (21) is connected to the top plate (11).

5. The angle-adjustable stone grinding machine according to claim 4, characterized in that: The workbench (3) comprises a base (31) and a swing plate (32); the base (31) is arranged on the top plate (11); the top surface of the base (31) is provided with an arc-shaped groove; the swing plate (32) is arranged on the base (31); the bottom surface of the swing plate (32) is provided with an arc-shaped protrusion corresponding to the arc-shaped groove on the top surface of the base (31).

6. The angle-adjustable stone grinding machine according to claim 5, characterized in that: The workbench (3) further comprises a second electric linear push rod (33), a pressure rod (34), a back plate (37), and a top block (310). The back plate (37) is arranged vertically, the upper end of the back plate (37) is connected to the bottom surface of the base (31), the back plate (37) is connected to the top plate (11), the back plate (37) is L-shaped, the second electric linear push rod (33) is vertically mounted on the lower end of the back plate (37), the top block (310) is an inclined block with a narrow upper portion and a wide lower portion, the top block (310) is mounted on the telescopic rod of the second electric linear push rod (33), the pressure rod (34) is connected to the back plate (37) via a rotating shaft, the lower end of the pressure rod (34) is in contact with the inclined surface of the top block (310), and the upper end is located above the front end of the swing plate (32).

7. The angle-adjustable stone grinding machine according to claim 6, characterized in that: The workbench (3) further comprises a roller (35) and a connecting plate (36). The roller (35) is respectively arranged at the upper and lower ends of the pressure rod (34) via a rotating shaft. The connecting plate (36) is respectively arranged at both sides of the top of the back plate (37). The two ends of the pressure rod (34) are connected to the connecting plate (36) via a rotating shaft.

8. The angle-adjustable stone grinding machine according to claim 7, characterized in that: The workbench (3) further comprises an ear plate (38) and a rib plate (39), wherein one rib plate (39) is arranged on each side of the back plate (37), the ear plate (38) is arranged horizontally on the top of the rib plate (39), the ear plate (38) connects the rib plate (39) and the connecting plate (36), and the bottom surface of the ear plate (38) is connected to the top surface of the top plate (11); the workbench (3) passes through the working hole on the top plate (11), and the connecting plate (36) is located above the top plate (11).

9. The angle-adjustable stone grinding machine according to claim 8, characterized in that: The workbench (3) further comprises a movable plate (311), a guide rail (312), and a guide sleeve (313); the guide rail (312) is vertically mounted on the back plate (37); the guide sleeve (313) is connected to the movable plate (311); the guide sleeve (313) is mounted on the guide rail (312); and the top block (310) is connected to the movable plate (311).

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