Adjusting platform for stone machining and adjusting method of adjusting platform

Abstract

The invention discloses an adjusting platform for stone machining, and belongs to the technical field of stone machining, the adjusting platform comprises a supporting table, the lower surface of the supporting table is fixedly connected with supporting legs, and the supporting table is provided with a stone machining placing part; and the placing piece comprises a supporting seat rotationally connected to the supporting table, the upper end of the supporting seat is rotationally connected with a connecting ball, the connecting ball is fixedly connected with a placing disc, the supporting seat is fixedly connected with four mounting blocks, and the mounting blocks are in ball connection with air cylinders. According to the device, the air cylinders, symmetrically distributed in pairs, in the four air cylinders drive the containing disc to swing front and back and left and right in the direction perpendicular to the horizontal plane so as to adjust the fixing angle of stone, and after the drive motor drives the worm to rotate, the worm can be matched with the meshed worm wheel to drive the connecting column and the supporting base to conduct horizontal rotation adjustment; therefore, the machining direction of the stone after being fixed can be conveniently adjusted, and the stone machining efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of stone processing, and in particular to an adjustment platform for stone processing and an adjustment method thereof. Background Art

[0002] With the improvement of living standards, people's pursuit of quality of life has become higher and higher. Solid wood furniture and marble floor tiles are increasingly reflected in today's homes. The processing behind the gorgeous floor tiles requires certain procedures. However, during the processing, the position and angle of the stone need to be changed many times to facilitate the processing of the stone. When processing the stone, it is often necessary to rotate the stone or tilt the stone at a certain angle to facilitate the processing operation.

[0003] When processing stone, whether it is grinding or cutting, a processing platform is needed to fix and limit the stone for subsequent processing. For example, the invention patent with announcement number CN114833957A discloses a rotatable and adjustable stone processing fixing device, including a base, a controller fixedly arranged inside the base, a workbench is arranged on the top of the base, and a rotating connection mechanism is arranged between the base and the workbench to drive the workbench to rotate; telescopic mechanisms are arranged at both ends of the bottom of the workbench. When the controller starts the rotating connection mechanism, the telescopic mechanism will be started at the same time. The telescopic mechanism can drive the slide block to move, so that the two slide blocks are close to each other, and finally the stone is clamped by two limit clamps so that its position is fixed during rotation and it will not shake easily.

[0004] Although the fixing equipment in the above application can stably support and fix the stone, the above equipment is not convenient for rotating and adjusting the stone during the stone processing due to its relatively single function. Therefore, when multi-directional processing is required, the fixed position of the stone needs to be repeatedly adjusted, which is time-consuming and labor-intensive and affects the processing efficiency. Therefore, an adjustment platform for stone processing and an adjustment method thereof are proposed to solve the above problems. Summary of the invention

[0005] 1. Purpose of the invention In order to solve the technical problems existing in the background technology, the present invention proposes an adjustment platform and an adjustment method for stone processing. The placement parts on the support platform can support the stone and rotate and adjust the orientation of the stone, which has the advantages of improving processing efficiency.

[0006] (II) Technical solution The present invention provides an adjustment platform for stone processing, comprising a support platform, a lower surface of which is fixedly connected with support legs, and a stone processing part is arranged on the support platform; Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion. The end of the clamping plate away from the push plate is slidably connected to a baffle plate with one end extending to the inside of the clamping plate, and the baffle plate and the outer side of the clamping plate are fixedly connected to support blocks, and the front support block is rotatably connected to an adjustment screw with one end penetrating the rear support block; The lower surface of the support platform is provided with an adjusting piece for adjusting the support seat; and the support platform is provided with a lifting piece for placing and lifting the stone.

[0007] Preferably, the upper end portion of the support seat is conical, and a spherical support groove for supporting a connecting ball is provided at the conical end of the support seat, and the four mounting blocks are symmetrically distributed on the support seat in a cross shape.

[0008] Preferably, a first threaded hole for supporting the rotating screw is formed on the support plate, the first threaded hole cooperates with the thread on the outer side of the rotating screw, and a rubber pad is fixedly connected to the inner side of the clamping plate.

[0009] Preferably, a slide groove for supporting a push plate is provided on the placement plate, and a slider having one end extending to the inner side of the slide groove is fixedly connected to a side of the push plate close to the placement plate, and the slider is slidably connected to the slide groove.

[0010] Preferably, a rectangular groove for supporting a baffle is provided on a side of the clamping plate away from the push plate, and the baffle is L-shaped.

[0011] Preferably, a second threaded hole for supporting the adjusting screw is formed on the rear support block, and the second threaded hole is matched with the thread on the outer side of the adjusting screw.

[0012] Preferably, the adjusting member includes a connecting column fixedly connected to the lower surface of the placing plate and passing through the supporting platform, the lower end of the connecting column is fixedly connected to a worm gear, a driving motor is fixedly installed on the lower surface of the supporting platform, and the output shaft of the driving motor is fixedly connected to a worm having one end meshing with the worm gear.

[0013] Preferably, the lifting member includes a lifting frame fixedly connected to the rear side of the support platform, a lifting plate is slidably connected to the inner side of the lifting frame, and the lower end of the lifting plate fixedly passes through the lifting frame, a group of mounting blocks are fixedly connected to the lower surface of the lifting frame, a servo motor is fixedly installed on the mounting blocks on the front side, and the output shaft of the servo motor is fixedly connected to a driving screw with one end passing through the lifting plate.

[0014] Preferably, the lifting frame is U-shaped, the lifting plate is Z-shaped, and the lower end of the lifting plate is convex-shaped, the convex end of the lifting plate is provided with a third threaded hole for driving a driving screw, and the third threaded hole is adapted to the thread on the outside of the driving screw, and a through hole is provided in the middle of the lifting frame for the convex end of the lifting plate to slide.

[0015] A method for adjusting an adjusting platform for stone processing comprises the following steps: S1, lifting: When the started servo motor drives the driving screw to rotate, it can drive the lifting plate to slide on the lifting frame. Therefore, the stone placed in the lifting frame can be pushed by the lifting plate driven by the servo motor and the driving screw to the inclined placement plate driven by the cylinder for placement; S2. Fixing: When the stone is pushed onto the placement plate, the push plate and the movable rod are rotated to push the clamping plates on both sides to drive the baffle to hook the stone. Then, the lifting plate can be reset and the placement plate can be tilted in the opposite direction to make the stone fit the push plate. Then, the placement plate can be reset to be parallel to the horizontal plane through the cylinder, and then the push plate and the clamping plate can be rotated to fix the stone. S3. Adjustment: After the stone is fixed, the placement plate can be driven by two symmetrically distributed cylinders among the four cylinders to swing forward and backward and left and right along the vertical and horizontal planes to adjust the fixing angle of the stone. After the worm is driven by the driving motor to rotate, the meshing worm wheel can be used to drive the connecting column and the support seat to rotate horizontally to adjust the fixing position of the stone.

[0016] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects: 1. The adjustment platform and adjustment method for stone processing drive the placement plate to swing forward and backward and left and right along the vertical and horizontal planes through two symmetrically distributed cylinders among four cylinders to adjust the fixed angle of the stone. After the worm is driven by the driving motor to rotate, the meshing worm wheel can drive the connecting column and the support seat to perform horizontal rotation adjustment to adjust the fixed position of the stone, that is, it is convenient to adjust the processing position of the stone after it is fixed, so as to improve the stone processing efficiency.

[0017] 2. The adjustment platform and adjustment method for stone processing drive the push plate and the clamping plate to fix the stone by rotating the screw. Since the baffle plate can adjust the distance between the baffle plate and the clamping plate by adjusting the screw, it can be adapted to stones of different specifications to improve the adaptability of the entire processing platform.

[0018] 3. The adjustment platform and adjustment method for stone processing, the stone placed in the lifting frame can be driven by the started servo motor and the driving screw to drive the lifting plate to be placed on the inclined placement plate driven by the cylinder. Therefore, when the stone specifications require manual handling, the workload of workers can be reduced as much as possible, further improving the efficiency of stone processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention; Figure 2 It is a three-dimensional cross-sectional view of the placement structure of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle; Figure 4 It is a bottom view of the overall structure of the present invention; Figure 5 This is a bottom view of the lifting member structure of the present invention.

[0020] : Illustration symbols: 1. support platform; 2. support leg; 3. placement piece; 31. support seat; 32. mounting block; 33. cylinder; 34. placement plate; 35. connecting ball; 36. support plate; 37. rotating screw; 38. push plate; 39. movable rod; 310. fixed plate; 311. limiting rod; 312. clamp; 313. support block; 314. adjusting screw; 315. baffle; 316. worm gear; 317. connecting column; 318. driving motor; 319. worm; 4. lifting piece; 41. lifting frame; 42. mounting block; 43. driving screw; 44. lifting plate; 45. servo motor. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0022] In the description of the invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, welding, riveting, bonding, etc., or a detachable connection, threaded connection, key connection, pin connection, etc., or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1-5 As shown, the present invention provides an adjustment platform for stone processing, comprising a support platform 1, a lower surface of which is fixedly connected with support legs 2, and a stone processing piece 3 is provided on the support platform 1.

[0025] In the present invention, the placement member 3 on the support platform 1 can support the stone and also adjust the orientation of the stone by rotation.

[0026] In an optional embodiment, the placement member 3 includes a support seat 31 rotatably connected to the support platform 1, the upper end of the support seat 31 is rotatably connected to a connecting ball 35, and a placement disk 34 is fixedly connected to the connecting ball 35, and four mounting blocks 32 are fixedly connected to the support seat 31, and a cylinder 33 is ball-connected on the mounting block 32, and the output end of the cylinder 33 is ball-connected with the placement disk 34, and a support plate 36 is fixedly connected to the placement disk 34, and a rotating screw 37 with one end passing through the support plate 36 is threadedly connected to the support plate 36, and one end of the rotating screw 37 passing through the support plate 36 is rotatably connected to a push plate 38, a group of fixed plates 310 are fixedly connected to the placement disk 34, and two clamps 312 located on the inner side of the fixed plate 310 are slidably connected to the placement disk 34, and a limiting rod 311 with one end passing through the fixed plate 310 is fixedly connected to the side of the clamp 312 close to the fixed plate 310, and a movable rod 39 is rotatably connected between the clamp 312 and the push plate 38.

[0027] In this embodiment, the placing plate 34 is driven by the cylinders 33 symmetrically distributed in pairs among the four cylinders 33 to swing forward and backward and left and right along the vertical and horizontal planes to adjust the fixing angle of the stone.

[0028] It should be noted that one end of the clamping plate 312 away from the push plate 38 is slidably connected to a baffle 315 having one end extending to the inside of the clamping plate 312, and the baffle 315 and the outer side of the clamping plate 312 are fixedly connected to a support block 313, and the front support block 313 is rotatably connected to an adjustment screw 314 having one end penetrating the rear support block 313; The push plate 38 and the clamping plate 312 are driven to fix the stone by rotating the screw rod 37. Since the distance between the baffle plate 315 and the clamping plate 312 can be adjusted by adjusting the screw rod 314, it can be adapted to stones of different specifications to improve the adaptability of the entire processing platform.

[0029] Among them, the upper end of the support seat 31 is conical, and a spherical support groove for supporting the connecting ball 35 is opened at the conical end of the support seat 31. The connecting ball 35 and the placement plate 34 are rotatably supported by the spherical support groove. The four mounting blocks 32 are symmetrically distributed in a cross shape on the support seat 31. The cylinder 33 is supported by the four cross-shaped mounting blocks 32 so that the cylinder 33 can rotate and adjust the placement plate 34.

[0030] In addition, a first threaded hole for supporting the rotating screw 37 is provided on the support plate 36. The first threaded hole cooperates with the thread on the outer side of the rotating screw 37 so that the rotating rotating screw 37 can drive the push plate 38 to adjust forward and backward along a parallel horizontal plane on the support plate 36. A rubber pad is fixedly connected to the inner side of the clamping plate 312 to increase the friction force when the clamping plate 312 clamps the stone.

[0031] Secondly, a sliding groove for supporting the push plate 38 is opened on the placement plate 34. A slider with one end extending to the inner side of the sliding groove is fixedly connected to the push plate 38 close to the placement plate 34, and the slider is slidably connected to the sliding groove. The sliding limit of the slider and the sliding groove improves the stability of the rotating screw 37 when pushing the push plate 38.

[0032] Then, a rectangular groove for supporting the baffle 315 is opened on the side of the clamp 312 away from the push plate 38, so that the clamp 312 can slide and adjust on the clamp 312, and the baffle 315 is L-shaped, so that the L end of the baffle 315 can hook and push the stone placed on the placement tray 34.

[0033] Finally, a second threaded hole for supporting the adjusting screw 314 is provided on the rear support block 313, and the second threaded hole is adapted to the thread on the outer side of the adjusting screw 314, so that the rotating adjusting screw 314 can drive the rear support block 313 and the baffle 315 to adjust forward and backward along the parallel horizontal plane.

[0034] In an optional embodiment, the lower surface of the support platform 1 is provided with an adjusting member for adjusting the support seat 31; the adjusting member includes a connecting column 317 fixedly connected to the lower surface of the placement plate 34 and passing through the support platform 1, and the lower end of the connecting column 317 is fixedly connected to a worm gear 316, and a driving motor 318 is fixedly installed on the lower surface of the support platform 1, and the output shaft of the driving motor 318 is fixedly connected to a worm 319 with one end meshing with the worm gear 316.

[0035] In this embodiment, after the worm 319 is driven to rotate by the driving motor 318, the meshing worm wheel 316 can drive the connecting column 317 and the support seat 31 to perform horizontal rotation adjustment to adjust the fixing position of the stone, that is, to facilitate the adjustment of the processing position of the stone after it is fixed.

[0036] In an optional embodiment, a lifting member 4 for placing and lifting stones is provided on the support platform 1, and the lifting member 4 includes a lifting frame 41 fixedly connected to the rear side of the support platform 1, and a lifting plate 44 is slidably connected to the inner side of the lifting frame 41, and the lower end of the lifting plate 44 is fixedly penetrated through the lifting frame 41, and a group of mounting blocks 42 are fixedly connected to the lower surface of the lifting frame 41, and a servo motor 45 is fixedly installed on the front mounting block 42, and the output shaft of the servo motor 45 is fixedly connected to a driving screw 43 with one end penetrating through the lifting plate 44.

[0037] In this embodiment, the stone placed in the lifting frame 41 can be driven by the started servo motor 45 to cooperate with the driving screw 43 to drive the lifting plate 44 to be placed on the inclined placement plate 34 driven by the cylinder 33. Therefore, when the stone specifications require manual handling, the workload of workers can be reduced as much as possible, further improving the efficiency of stone processing.

[0038] It should be noted that the lifting frame 41 is U-shaped, the lifting plate 44 is Z-shaped, and the lower end of the lifting plate 44 is convex-shaped. The convex end of the lifting plate 44 is provided with a third threaded hole for driving the driving screw 43, and the third threaded hole is adapted to the thread on the outer side of the driving screw 43, so that the rotating driving screw 43 can drive the lifting plate 44 to slide back and forth in the lifting frame 41 for adjustment. The middle part of the lifting frame 41 is provided with a through hole for the convex end of the lifting plate 44 to slide, so that one end of the lifting plate 44 passes through the lifting frame 41 and has space to move on the lifting frame 41.

[0039] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field, which is common knowledge in the field. The present invention is mainly used to protect mechanical structures, so the present invention will no longer elaborate on technical means such as control methods and circuit connections.

[0040] A method for adjusting an adjusting platform for stone processing comprises the following steps: S1, lifting: When the started servo motor 45 drives the driving screw 43 to rotate, it can drive the lifting plate 44 to slide on the lifting frame 41. Therefore, the stone placed in the lifting frame 41 can be pushed by the lifting plate 44 driven by the servo motor 45 and the driving screw 43 to the placement plate 34 driven by the cylinder 33 to be placed in an inclined state; S2, fixation: when the stone is pushed to the placement plate 34 for placement, the push plate 38 and the movable rod 39 are driven by rotating the screw 37 to push the clamping plates 312 on both sides to drive the baffle 315 to hook the stone, and then the lifting plate 44 can be reset and the placement plate 34 can be tilted in the reverse direction to make the stone fit the push plate 38, and then the placement plate 34 can be reset to be parallel to the horizontal plane by the cylinder 33, and then the push plate 38 and the clamping plate 312 can be driven by rotating the screw 37 to fix the stone; S3, adjustment: after the stone is fixed, the four cylinders 33 can be used to drive the placement plate 34 to swing forward and backward and left and right along the vertical and horizontal planes through the cylinders 33 symmetrically distributed in pairs, so as to adjust the fixing angle of the stone. After the worm 319 is driven to rotate by the driving motor 318, the meshing worm wheel 316 can be used to drive the connecting column 317 and the support seat 31 to perform horizontal rotation adjustment to adjust the fixing position of the stone.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustment platform for stone processing, comprising a support platform (1), characterized in that: The lower surface of the support platform (1) is fixedly connected to a support leg (2), and the support platform (1) is provided with a stone processing for placing a piece (3); The placement member (3) comprises a support seat (31) rotatably connected to the support platform (1); the upper end of the support seat (31) is rotatably connected to a connection ball (35); the connection ball (35) is fixedly connected to a placement plate (34); four mounting blocks (32) are fixedly connected to the support seat (31); a cylinder (33) is ball-connected to the mounting block (32); the output end of the cylinder (33) is ball-connected to the placement plate (34); the placement plate (34) is fixedly connected to a support plate (36); the support plate (36) is threadedly connected to a threaded end that penetrates the support plate (36), the rotating screw rod (37) passing through one end of the supporting plate (36) being rotatably connected to a push plate (38), the placing plate (34) being fixedly connected to a group of fixing plates (310), the placing plate (34) being slidably connected to two clamping plates (312) located on the inner side of the fixing plate (310), the clamping plate (312) being fixedly connected to one side close to the fixing plate (310) to a limiting rod (311) whose end passes through the fixing plate (310), and a movable rod (39) being rotatably connected between the clamping plate (312) and the push plate (38); One end of the clamping plate (312) away from the push plate (38) is slidably connected to a baffle (315) whose end extends into the interior of the clamping plate (312); the baffle (315) and the outer sides of the clamping plate (312) are both fixedly connected to a support block (313); the front support block (313) is rotatably connected to an adjustment screw (314) whose end passes through the rear support block (313); The lower surface of the support platform (1) is provided with an adjusting member for adjusting the support seat (31); and the support platform (1) is provided with a lifting member (4) for placing and lifting stones.

2. The adjusting platform for stone processing according to claim 1, characterized in that: The upper end of the support seat (31) is conical, and a spherical support groove for supporting a connecting ball (35) is provided at the conical end of the support seat (31). The four mounting blocks (32) are symmetrically distributed on the support seat (31) in a cross shape.

3. The adjusting platform for stone processing according to claim 2, characterized in that: The support plate (36) is provided with a first threaded hole for supporting the rotating screw rod (37), the first threaded hole and the thread on the outside of the rotating screw rod (37) cooperate with each other, and a rubber pad is fixedly connected to the inner side of the clamping plate (312).

4. The adjusting platform for stone processing according to claim 3, characterized in that: The placement plate (34) is provided with a slide groove for supporting a push plate (38), and a sliding block having one end extending to the inside of the slide groove is fixedly connected to a side of the push plate (38) close to the placement plate (34), and the sliding block is slidably connected to the slide groove.

5. The adjusting platform for stone processing according to claim 4, characterized in that: A rectangular groove for supporting a baffle plate (315) is provided on one side of the clamping plate (312) away from the push plate (38); the baffle plate (315) is L-shaped.

6. The adjusting platform for stone processing according to claim 5, characterized in that: A second threaded hole for supporting the adjusting screw rod (314) is provided on the rear support block (313), and the second threaded hole is adapted to the thread on the outside of the adjusting screw rod (314).

7. The adjusting platform for stone processing according to claim 1, characterized in that: The adjusting member comprises a connecting column (317) fixedly connected to the lower surface of the placement plate (34) and penetrating the support platform (1); the lower end of the connecting column (317) is fixedly connected to a worm gear (316); a driving motor (318) is fixedly mounted on the lower surface of the support platform (1); an output shaft of the driving motor (318) is fixedly connected to a worm (319) having one end meshing with the worm gear (316).

8. The adjusting platform for stone processing according to claim 1, characterized in that: The lifting member (4) comprises a lifting frame (41) fixedly connected to the rear side of the support platform (1), a lifting plate (44) is slidably connected to the inner side of the lifting frame (41), and the lower end of the lifting plate (44) is fixedly passed through the lifting frame (41), a group of mounting blocks (42) are fixedly connected to the lower surface of the lifting frame (41), a servo motor (45) is fixedly mounted on the front side mounting block (42), and the output shaft of the servo motor (45) is fixedly connected to a driving screw (43) with one end passing through the lifting plate (44).

9. The adjusting platform for stone processing according to claim 8, characterized in that: The lifting frame (41) is U-shaped, the lifting plate (44) is Z-shaped, and the lower end of the lifting plate (44) is convex-shaped. The convex end of the lifting plate (44) is provided with a third threaded hole for driving the driving screw (43), and the third threaded hole is adapted to the thread on the outer side of the driving screw (43). The middle part of the lifting frame (41) is provided with a through hole for the convex end of the lifting plate (44) to slide.

10. A method for adjusting an adjustment platform for stone processing, characterized in that: The following steps are involved: S1, lifting: When the started servo motor (45) drives the driving screw (43) to rotate, it can drive the lifting plate (44) to slide on the lifting frame (41). Therefore, the stone placed in the lifting frame (41) can be pushed by the lifting plate (44) driven by the servo motor (45) and the driving screw (43) to the placement plate (34) driven by the cylinder (33) to be placed in an inclined state; S2, fixing: when the stone is pushed onto the placement plate (34) for placement, the push plate (38) and the movable rod (39) are driven by rotating the screw rod (37) to push the clamping plates (312) on both sides to drive the baffle plate (315) to hook the stone, and then the lifting plate (44) can be reset and the placement plate (34) can be tilted in the reverse direction to make the stone fit the push plate (38). Then, the placement plate (34) can be reset to be parallel to the horizontal plane by the cylinder (33), and then the push plate (38) and the clamping plate (312) can be driven by rotating the screw rod (37) to fix the stone; S3, adjustment: After the stone is fixed, the four cylinders (33) can be used to drive the placement plate (34) to swing forward and backward and left and right along the vertical and horizontal planes through the cylinders (33) that are symmetrically distributed in pairs to adjust the fixing angle of the stone. After the worm (319) is driven by the driving motor (318) to rotate, the connecting column (317) and the support seat (31) can be driven by the meshing worm wheel (316) to perform horizontal rotation adjustment to adjust the fixing position of the stone.

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