Crystal grinding device
By combining a three-axis moving system and a roller adjustment assembly, the deviation problem of the crystal grinding equipment when changing workstations is solved, achieving stable clamping and all-round grinding of crystal balls, improving the yield of finished products and reducing energy consumption.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-25
- Publication Date
- 2026-03-13
AI Technical Summary
Traditional crystal grinding equipment is prone to deviations when changing work stations, resulting in a lower yield of finished products and high energy consumption.
Employing a three-axis movement system and roller adjustment components, the system achieves stable clamping and transportation of crystal balls through a combination of support drive, adjustment drive, and guide rail drive, and is equipped with a grinding component for all-around grinding.
To ensure the crystal ball remains in a stable position during the grinding process, reduce errors and damage, lower energy consumption, extend equipment life, and adapt to crystal balls of different sizes.
Smart Images

Figure CN223989351U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of crystal grinding technology, and more specifically, relates to a device for crystal grinding. Background Technology
[0002] Grinding crystal balls is a crucial step in the production process. Traditional crystal grinding equipment often employs manual or semi-automatic methods for clamping, positioning, and grinding the crystals. In existing crystal grinding devices, the components that lift the crystals typically move as a whole to transport them to the next workstation. However, this approach can lead to deviations when the workstation changes, reducing the yield of the finished product. Furthermore, the overall movement consumes a lot of energy and is costly. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide a crystal grinding device that can transport crystal balls and ensure the stability of the grinding station.
[0004] This utility model discloses a crystal grinding device for grinding crystal balls, including a frame, several fixed grinding stations and a transport component; the grinding stations are set on the frame and are used to lift and clamp the crystal balls for grinding.
[0005] The conveying assembly includes a support assembly, a support drive, a guide rail, a guide rail drive, several clamping seats, and an adjustment drive. The support assembly is slidably connected to the upper side of the frame. The support drive is fixedly mounted on the upper side of the frame, and its output end is connected to the support assembly. The adjustment drive is fixedly connected to the support assembly. The output end of the adjustment drive is fixedly connected to the guide rail drive. The guide rail is fixedly connected to the output end of the guide rail drive. Several clamping seats are fixedly connected to the guide rail. The output ends of the support drive, the adjustment drive, and the guide rail drive all have independent linear reciprocating movement capabilities and constitute a three-axis movement system to drive the clamping seats to reciprocate between adjacent workstations. The clamping seats are used to clamp the crystal balls at the corresponding workstations.
[0006] As a further improvement of this utility model, the grinding station includes a grinding component and a rolling adjustment component; the upper end of the grinding component has a bearing part for supporting the crystal ball to be ground, and the surface of the bearing part is provided with a grinding surface so as to fit and grind the crystal ball to be ground; the lower end of the grinding component is fixedly connected to the frame; the grinding components are spaced apart; the rolling adjustment component is slidably disposed on the upper side of the grinding component so as to cooperate with the grinding component to press and clamp the crystal ball to be ground.
[0007] As a further improvement of this utility model, the support assembly includes a sliding seat; a carrier plate is fixedly mounted on the top of the sliding seat, and a second slide rail is fixedly mounted on the top of the carrier plate; a guide rail drive is fixedly mounted on the upper side of the carrier plate; a set of second sliders is slidably mounted on the side of the second slide rail away from the carrier plate; a fixing plate is fixedly mounted on the top of the second slider, and the end of the guide rail is fixedly mounted on the top of the fixing plate; a pull plate is fixedly mounted on the side wall of the fixing plate; the output end of the guide rail drive is fixedly connected to the pull plate, so as to drive the guide rail on the fixing plate to perform longitudinal reciprocating motion along the horizontal direction through the pull plate, thereby controlling the opening and closing of the clamping seat;
[0008] The guide rail is connected to the support assembly via a fixed plate, and the support drive controls the guide rail to move laterally and reciprocally along the horizontal direction via the support assembly;
[0009] The support assembly also includes a slide and a second back plate; the second back plate is fixedly mounted on the top of the slide; a fixing frame is fixedly mounted on the side wall of the slide; the slide is slidably mounted on the side of the fixing frame away from the second back plate; an adjustment drive is fixedly mounted on the top of the fixing frame; the output end of the adjustment drive is installed and connected to the slide to drive the slide to reciprocate in the vertical direction, thereby driving the guide rail and the clamping seat to reciprocate in the vertical direction.
[0010] As a further improvement of this utility model, two sets of support components and two guide rails are provided; the support components are slidably disposed at both ends of the top of the frame; the two guide rails are arranged in parallel relative to each other, and the two ends of the guide rails are mounted on the corresponding support components; the clamping seat includes two clamping plates, which are fixedly disposed on the corresponding guide rails; the clamping plates are arranged opposite to each other, and the side of the clamping plates that are arranged opposite to each other is recessed to form an arc-shaped groove; when clamping, the arc-shaped groove of the clamping plate is located at the lower end of the crystal ball.
[0011] As a further improvement of this utility model, a connecting rod is provided between the two sets of support components, and the two ends of the connecting rod are fixedly connected to the corresponding support components so that the two sets of support components can be linked together.
[0012] As a further improvement of this utility model, the grinding assembly includes a bearing housing, a third motor, and a rotating seat; the supporting part includes a support; the lower end of the bearing housing passes through the top of the frame and is fixedly connected to the frame; the lower end of the rotating seat passes through the top of the bearing housing and extends into the bearing housing, and the rotating seat is rotatably connected to the bearing housing; the third motor is fixedly installed at the bottom of the bearing housing; the output end of the third motor passes through the bottom of the bearing housing and is installed and connected to the bottom of the rotating seat to drive the rotating seat to rotate; the lower end of the support is embedded in the top of the rotating seat; the top of the support has a recessed groove, and a sanding strip is installed in the groove to perform grinding operations on the crystal ball.
[0013] As a further improvement of this utility model, the rolling adjustment component includes several roller assemblies, one or more moving components, and a fourth motor; the moving component is slidably disposed on the top of the frame, and the roller assemblies are slidably disposed on the side wall of the moving component facing the transport component, with each roller assembly arranged side by side; the fourth motor is fixedly disposed on the top of the frame, and the output end of the fourth motor is installed and connected to the input end of the moving component to drive the moving component to reciprocate in the horizontal direction of the frame.
[0014] As a further improvement of this utility model, the roller assembly includes two rollers, a first support frame, a first motor, a transmission assembly, and a first back plate; the first back plate is slidably disposed on the side wall of the moving assembly facing the transport assembly; the first support frame is fixedly disposed on the side wall of the first back plate away from the moving assembly; the first motor is fixedly disposed on the top of the first support frame; the rollers are rotatably disposed on the top of the first support frame, and the two rollers are arranged in parallel and spaced apart; the output end of the first motor is installed and connected to the input end of the transmission assembly, and the same end of the two rollers is installed and connected to the output end of the transmission assembly; the first motor is installed and connected to the two rollers through the transmission assembly to drive the two rollers to rotate.
[0015] As a further improvement of this utility model, the moving component includes a second motor and a second support frame; the second support frame is slidably disposed on the top of the frame, the second motor is fixedly disposed on the top of the second support frame, and the output end of the second motor is installed and connected to the first back plate to drive the first back plate to reciprocate in the vertical direction, thereby driving the roller to reciprocate in the vertical direction.
[0016] As a further improvement of this utility model, the rolling adjustment component also includes a connecting plate. There are two or more sets of moving components, each moving component is arranged side by side and fixedly connected to the connecting plate. Each moving component is linked through the connecting plate. The connecting plate is the input end of the moving component, and the output end of the fourth motor is fixedly connected to the connecting plate to drive each moving component to run synchronously.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0018] The crystal grinding assembly of this device is fixedly mounted on the frame. The crystal ball is transported from the grinding assembly of the previous station to the grinding assembly of the next station by the conveying assembly. The guide rail and clamping plate of the conveying assembly cooperate to adjust the height and change the position as needed, thereby realizing the clamping and transportation of the crystal ball. This ensures that the crystal ball maintains a stable position during the grinding process and reduces errors and damage.
[0019] The output ends of the support drive, the adjustment drive, and the guide rail drive all have independent linear reciprocating movement capabilities, forming a three-axis movement system to drive the clamping seat to reciprocate between adjacent workstations.
[0020] This device uses a roller adjustment component to rotate the crystal ball, allowing the surface of the crystal ball to be polished in all directions.
[0021] The guide rail can reciprocate not only horizontally but also vertically, allowing for vertical adjustment. This design enables the equipment to accommodate crystal balls of different sizes. The guide rail can move vertically independently to compensate for dimensional deviations and prevent the clamping position from shifting downwards due to wear on the support of the grinding components after prolonged operation. It can still clamp the crystal balls without affecting the operation of the equipment, thus extending its service life. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the crystal grinding device of this utility model;
[0023] Figure 2 This is a schematic diagram of the crystal grinding device of this utility model with part of the frame removed;
[0024] Figure 3 This is a partial structural schematic diagram of the crystal grinding device of this utility model;
[0025] Figure 4 This is a schematic diagram of the structure of the partial conveying component and the grinding component of this utility model;
[0026] Figure 5 This is a schematic diagram of the structure of one end of the transport component of this utility model;
[0027] Figure 6 This is a schematic diagram of the back of the crystal grinding device of this utility model.
[0028] Explanation of the labels in the diagram:
[0029] 1. Frame; 2. Rolling adjustment assembly; 21. Roller; 22. First support frame; 23. First motor; 24. First back plate; 25. Second motor; 26. Connecting plate; 27. Fourth motor; 3. Conveying assembly; 31. Clamping plate; 32. Guide rail; 33. Connecting rod; 34. First slide rail; 35. Fifth motor; 36. Slide seat; 37. Guide rail drive; 38. Second slide rail; 39. Sliding seat; 310. Second back plate; 4. Grinding assembly; 41. Bearing seat; 42. Third motor; 43. Support; 431. Groove; 44. Rotating seat; 5. Crystal ball; 6. Feeding seat. Detailed Implementation
[0030] The present invention will be further described in detail below with reference to the embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.
[0031] Specific Implementation Example 1: Please refer to... Figure 1 - Figure 6 A crystal grinding device for grinding crystal balls 5 includes a frame 1, several fixed grinding stations and a transport component 3; the grinding stations are set on the frame 1 and are used to lift and clamp the crystal balls for grinding.
[0032] The conveying component 3 includes a support component, a support drive, a guide rail 32, a guide rail drive 37, several clamping seats 31, and an adjustment drive 35. The support component is slidably connected to the upper side of the frame 1. The support drive is fixedly mounted on the upper side of the frame 1, and its output end is connected to the support component. The adjustment drive 35 is fixedly connected to the support component. The output end of the adjustment drive 35 is fixedly connected to the guide rail drive 37. The guide rail 32 is fixedly connected to the output end of the guide rail drive 37. Several clamping seats 31 are fixedly connected to the guide rail 32. The output ends of the support drive, the adjustment drive 35, and the guide rail drive 37 all have independent linear reciprocating movement capabilities and constitute a three-axis movement system to drive the clamping seats 31 to reciprocate between adjacent workstations. The clamping seats 31 are used to clamp the crystal balls at the corresponding workstations.
[0033] The grinding station includes a grinding component 4 and a rolling adjustment component 2. The upper end of the grinding component 4 has a support part for supporting the crystal ball to be ground. The surface of the support part is provided with a grinding surface so as to fit and grind the crystal ball to be ground. The lower end of the grinding component 4 is fixedly connected to the frame 1. Each grinding component 4 is arranged at intervals. The rolling adjustment component 2 is slidably arranged on the upper side of the grinding component 4 so as to cooperate with the grinding component 4 to press and clamp the crystal ball to be ground.
[0034] Optionally, the two ends of the conveying component 3 are slidably mounted on the top of the frame 1 via the support components; each grinding component 4 is arranged at intervals below the conveying component 3 and is fixedly connected to the frame 1; the rolling adjustment component 2 is installed on the top of the frame 1 on one side of the conveying component 3.
[0035] Preferably, each grinding component 4 is set at equal intervals.
[0036] Preferably, the clamping seats 31 on the guide rail 32 are evenly spaced.
[0037] A connecting rod 33 is installed between the two sets of support components. The two ends of the connecting rod 33 are fixedly connected to the corresponding support components so that the two sets of support components can move together.
[0038] The output end of the support drive is installed and connected to one of the support components to drive the support components to reciprocate in the horizontal direction, and drives the other support components to run synchronously through the connecting rod 33;
[0039] Another set of support components has one or more first sliders fixedly installed at the bottom; a first slide rail 34 is slidably installed on the first slider away from the bottom of the support component; the first slide rail 34 is fixedly installed on the top of the frame 1; the support component is slidably installed on the top of the first slide rail 34 via the first slider.
[0040] The support assembly includes a slide block 36, a slide block 39, and a second back plate 310. A carrier plate is fixedly mounted on the top of the slide block 39, and a second slide rail 38 is fixedly mounted on the top of the carrier plate. A guide rail drive 37 is fixedly mounted on the upper side of the carrier plate. A set of second sliders is slidably mounted on the side of the second slide rail 38 away from the carrier plate. A fixing plate is fixedly mounted on the top of the second sliders, and the end of the guide rail 32 is fixedly mounted on the top of the fixing plate. A pull plate is fixedly mounted on the side wall of the fixing plate. The output end of the guide rail drive 37 is fixedly connected to the pull plate so as to drive the guide rail 32 on the fixing plate to perform longitudinal reciprocating motion along the horizontal direction, thereby controlling the opening and closing of the clamping seat 31.
[0041] The guide rail 32 is connected to the support assembly via a fixed plate, and the support drive controls the guide rail 32 to move laterally and reciprocally along the horizontal direction via the support assembly.
[0042] Preferably, the guide rail drive 37 is a cylinder assembly.
[0043] The second back plate 310 is fixedly mounted on the top of the slide block 36; a fixing frame is fixedly mounted on the side wall of the slide block 36; the slide block 39 is slidably mounted on the side of the fixing frame away from the second back plate 310; an adjustment drive 35 is fixedly mounted on the top of the fixing frame; the output end of the adjustment drive 35 is installed and connected to the slide block 39 to drive the slide block 39 to reciprocate in the vertical direction, thereby driving the guide rail 32 and the clamping plate to reciprocate in the vertical direction.
[0044] Preferably, the adjustment drive 35 can be a motor assembly.
[0045] Optionally, two sets of support components and two guide rails 32 are provided; the support components are slidably mounted on both ends of the top of the frame 1; the two guide rails 32 are arranged parallel to each other, and the two ends of the guide rails 32 are mounted on the corresponding support components; the clamping seat 31 includes two clamping plates; the two clamping plates of the clamping seat 31 are fixedly mounted on the corresponding guide rails 32; the clamping plates are arranged opposite each other, and the side of the clamping plates that are arranged opposite each other is recessed to form an arc-shaped groove; when clamping, the arc-shaped groove of the clamping plate is located at the lower end of the crystal ball.
[0046] The two ends of the guide rail 32 are respectively fixedly mounted on the top of the corresponding fixed plate;
[0047] A connecting rod 33 is installed between the two sets of support components. The two ends of the connecting rod 33 are fixedly connected to the corresponding support components so that the two sets of support components can move together.
[0048] The grinding assembly 4 includes a bearing housing 41, a third motor 42, and a rotating seat 44; the supporting part includes a support 43; the lower end of the bearing housing 41 passes through the top of the frame 1 and is fixedly connected to the frame 1; the lower end of the rotating seat 44 passes through the top of the bearing housing 41 and extends into the bearing housing 41, and the rotating seat 44 is rotatably connected to the bearing housing 41; the third motor 42 is fixedly installed at the bottom of the bearing housing 41; the output end of the third motor 42 passes through the bottom of the bearing housing 41 and is installed and connected to the bottom of the rotating seat 44 to drive the rotating seat 44 to rotate; the lower end of the support 43 is embedded in the top of the rotating seat 44; a groove 431 is recessed in the top of the support 43, and a sanding strip is installed in the groove 431 to perform grinding operations on the crystal ball 5.
[0049] Optionally, the support 43 is made of wood.
[0050] The rolling adjustment assembly 2 includes several roller assemblies, one or more moving assemblies, and a fourth motor 27. The moving assemblies are slidably disposed on the top of the frame 1, and the roller assemblies are slidably disposed on the side wall of the moving assemblies facing the transport assemblies. The roller assemblies are arranged side by side. The fourth motor 27 is fixedly disposed on the top of the frame 1, and the output end of the fourth motor 27 is installed and connected to the input end of the moving assemblies to drive the moving assemblies to reciprocate in the horizontal direction of the frame 1.
[0051] The roller assembly includes two rollers 21, a first support frame 22, a first motor 23, a transmission assembly, and a first back plate 24. The first back plate 24 is slidably disposed on the side wall of the moving assembly facing the transport assembly. The first support frame 22 is fixedly disposed on the side wall of the first back plate 24 away from the moving assembly. The first motor 23 is fixedly disposed on the top of the first support frame 22. The rollers 21 are rotatably disposed on the top of the first support frame 22, and the two rollers 21 are arranged in parallel and spaced apart. The output end of the first motor 23 is installed and connected to the input end of the transmission assembly, and the same end of the two rollers 21 is installed and connected to the output end of the transmission assembly. The first motor 23 is installed and connected to the two rollers 21 through the transmission assembly to drive the two rollers 21 to rotate.
[0052] The number of first motors 23 is the same as the number of roller assemblies.
[0053] Optionally, the transmission assembly can be a gear drive, a chain drive, or a belt drive.
[0054] The moving component includes a second motor 25 and a second support frame; the second support frame is slidably disposed on the top of the frame 1, and the second motor 25 is fixedly disposed on the top of the second support frame. The output end of the second motor 25 is installed and connected to the first back plate 24 to drive the first back plate 24 to reciprocate in the vertical direction, thereby driving the roller 21 to reciprocate in the vertical direction.
[0055] The rolling adjustment component 2 also includes a connecting plate 26. When two or more sets of moving components are set, each moving component is set side by side and fixedly connected to the connecting plate 26. Each moving component is linked through the connecting plate 26. The connecting plate 26 is the input end of the moving component. The output end of the fourth motor 27 is fixedly connected to the connecting plate 26 to drive each moving component to run synchronously.
[0056] The crystal grinding device also includes two feeding seats 6, which are fixedly installed on the top of the frame 1 and located below the conveying component 3. The feeding seats 6 are located at the input end in front of the grinding component 4 and the output end behind it.
[0057] Working principle:
[0058] The crystal ball 6 is placed on the loading seat 6 at the front input end. The height of the guide rail 32 in the vertical direction is adjusted by the adjustment drive 35. The opening and closing of the corresponding clamping seat 31 is controlled by the guide rail drive 37. After the clamping seat 31 clamps the crystal ball, the support drive installed on the support component runs, thereby driving the clamping seat 31 on the guide rail 32 to move and transport the crystal ball to the grinding component 4. The guide rail 32 then returns to its original position.
[0059] When the rolling adjustment component 2 is in operation, the first motor 23 drives the roller 21 to rotate, the fourth motor 27 drives the roller 21 to move forward, and at the same time the second motor drives the roller 21 to move downward. The roller 21 comes into contact with the crystal ball 5. With this configuration, while the roller 21 drives the crystal ball to rotate in all directions, the sanding strip in the support 43 grinds the crystal ball.
[0060] The above description is merely a preferred embodiment of this application; however, the scope of protection of this application is not limited thereto; any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and its improved concept, should be covered within the scope of protection of this application.
Claims
1. A device for grinding a crystal ball (5), characterized in that: The polishing device comprises a frame (1), a plurality of fixed polishing stations and a conveying assembly (3); the polishing stations are arranged on the frame (1) and used for lifting and clamping the polishing crystal balls; The conveying assembly (3) comprises a support assembly, a support drive, a guide rail (32), a guide rail drive (37), a plurality of clamping seats (31) and an adjusting drive (35); the support assembly is slidingly connected to the upper side of the frame (1); the support drive is fixedly arranged on the upper side of the frame (1), and the output end of the support drive is connected with the support assembly; the adjusting drive (35) is fixedly connected with the support assembly; the output end of the adjusting drive (35) is fixedly connected with the guide rail drive (37); the guide rail (32) is fixedly connected with the output end of the guide rail drive (37); the plurality of clamping seats (31) are fixedly connected with the guide rail (32); the output end of the support drive, the output end of the adjusting drive (35) and the output end of the guide rail drive (37) all have independent linear reciprocating movement capabilities and form a three-axis movement system to drive the clamping seats (31) to reciprocate between adjacent stations; the clamping seats (31) are used for clamping the crystal balls in the corresponding stations.
2. A device for grinding a water crystal according to claim 1, characterized in that: The polishing station comprises a polishing assembly (4) and a rolling adjusting assembly (2); the upper end of the polishing assembly (4) is provided with a bearing part for bearing the crystal ball to be polished, and the surface of the bearing part is provided with a polishing surface to abut and polish the crystal ball to be polished; the lower end of the polishing assembly (4) is fixedly connected with the frame (1); the polishing assemblies (4) are arranged at intervals; the rolling adjusting assembly (2) is slidingly arranged on the upper side of the polishing assembly (4) to press and clamp the crystal ball to be polished in cooperation with the polishing assembly (4).
3. The apparatus for grinding a water crystal according to claim 1, wherein: The support assembly comprises a sliding seat (39); the top of the sliding seat (39) is fixedly provided with a carrier plate, and the top of the carrier plate is fixedly provided with a second sliding rail (38); the guide rail drive (37) is fixedly arranged on the upper side of the carrier plate; a group of second sliding blocks are slidingly arranged on the side of the second sliding rail (38) away from the carrier plate; the top of each second sliding block is fixedly provided with a fixed plate, and the end of the guide rail (32) is fixedly arranged on the top of the fixed plate; a pull plate is fixedly arranged on the side wall of the fixed plate; the output end of the guide rail drive (37) is fixedly connected with the pull plate to drive the guide rail (32) on the fixed plate to reciprocate in the horizontal direction, so as to control the opening and closing of the clamping seat (31); The guide rail (32) is connected with the support assembly through the fixed plate, and the support drive controls the guide rail (32) to reciprocate in the horizontal direction through the support assembly; The support assembly further comprises a sliding seat (36) and a second back plate (310); the second back plate (310) is fixedly arranged on the top of the sliding seat (36); a fixed frame is fixedly arranged on the side wall of the sliding seat (36); the sliding seat (39) is slidingly arranged on the side of the fixed frame away from the second back plate (310); the adjusting drive (35) is fixedly arranged on the top of the fixed frame; the output end of the adjusting drive (35) is mounted with the sliding seat (39) to drive the sliding seat (39) to reciprocate in the vertical direction, so as to drive the guide rail (32) and the clamping seat (31) to reciprocate in the vertical direction.
4. The apparatus for grinding a water crystal according to claim 1, wherein: The support assembly is provided with two groups, and the guide rail (32) is provided with two; the support assembly is respectively and slidingly arranged at the two ends of the top of the rack (1); the two guide rails (32) are arranged in parallel relative to each other, and the two ends of the guide rail (32) are arranged on the corresponding support assembly; the clamping seat (31) comprises two clamping plates, which are respectively and fixedly arranged on the corresponding guide rail (32); the clamping plates are arranged opposite to each other, and one side of the clamping plates arranged opposite to each other is concave to form an arc-shaped groove; during clamping, the arc-shaped groove of the clamping plate is located at the lower part of the crystal ball.
5. A device for grinding a water crystal according to claim 4, wherein: A connecting rod (33) is arranged between the two groups of support assemblies, and the two ends of the connecting rod (33) are respectively and fixedly connected with the corresponding support assemblies, so that the two groups of support assemblies are linked.
6. A device for grinding a water crystal according to claim 2, characterized by: The grinding assembly (4) comprises a bearing seat (41), a third motor (42) and a rotating seat (44); the bearing part comprises a support seat (43); the lower end of the bearing seat (41) penetrates the top of the rack (1) and is fixedly connected with the rack (1); the lower end of the rotating seat (44) penetrates the top of the bearing seat (41) and extends into the bearing seat (41), and the rotating seat (44) is rotationally connected with the bearing seat (41); the third motor (42) is fixedly arranged at the bottom of the bearing seat (41); the output end of the third motor (42) penetrates the bottom of the bearing seat (41) and is connected with the bottom of the rotating seat (44) to drive the rotating seat (44) to rotate; the lower end of the support seat (43) is embedded in the top of the rotating seat (44); the top of the support seat (43) is concave and provided with a groove (431), and a sand bar is arranged in the groove (431) to grind the crystal ball (5) through the sand bar.
7. The apparatus for grinding a water crystal according to claim 2, wherein: The rolling adjusting assembly (2) comprises a plurality of roller assemblies, one or more moving assemblies and a fourth motor (27); the moving assembly is slidingly arranged on the top of the rack (1), the roller assembly is slidingly arranged on the side wall of the moving assembly on the side facing the conveying assembly, and each roller assembly is arranged side by side; the fourth motor (27) is fixedly arranged on the top of the rack (1), and the output end of the fourth motor (27) is connected with the input end of the moving assembly to drive the moving assembly to move reciprocally in the horizontal direction of the rack (1).
8. A device for grinding a water crystal according to claim 7, characterized by: The roller assembly comprises two rollers (21), a first support frame (22), a first motor (23), a transmission assembly and a first back plate (24); the first back plate (24) is slidingly arranged on the side wall of the moving assembly on the side facing the conveying assembly; the first support frame (22) is fixedly arranged on the side wall of the first back plate (24) away from the moving assembly; the first motor (23) is fixedly arranged on the top of the first support frame (22); the rollers (21) are rotationally arranged on the top of the first support frame (22), and the two rollers (21) are arranged in parallel and at intervals; the output end of the first motor (23) is connected with the input end of the transmission assembly, and the same end of the two rollers (21) is connected with the output end of the transmission assembly; the first motor (23) is connected with the two rollers (21) through the transmission assembly to drive the two rollers (21) to rotate.
9. A device for grinding a water crystal according to claim 8, characterized by: The moving assembly comprises a second motor (25) and a second support frame; the second support frame is slidingly arranged on the top of the rack (1), and the second motor (25) is fixedly arranged on the top of the second support frame; the output end of the second motor (25) is in mounting connection with the first back plate (24) to drive the first back plate (24) to reciprocate in the vertical direction, so as to drive the roller (21) to reciprocate in the vertical direction.
10. The apparatus for grinding a water crystal according to claim 7, wherein: The rolling adjusting assembly (2) further comprises a connecting plate (26), the moving assembly is provided in two groups or more, each moving assembly is arranged side by side and is fixedly connected with the connecting plate (26), and each moving assembly is linked through the connecting plate (26); the connecting plate (26) is an input end of the moving assembly, and the output end of the fourth motor (27) is fixedly connected with the connecting plate (26) to drive each moving assembly to synchronously operate.