Sample preparation table

Abstract

The utility model relates to the technical field of laboratory sample preparation, and particularly discloses a sample preparation table which comprises a supporting plate for supporting, a sample preparation box arranged on the supporting plate and a reciprocating assembly arranged at the bottom of the sample preparation box, the supporting plate comprises a back plate, an L-shaped plate is arranged on one side of the back plate, a fixed distance is kept between one side of a vertical supporting arm of the L-shaped plate and one side of the back plate, and the L-shaped plate is matched with the reciprocating assembly. The sample preparation box comprises a box body, an accommodating cavity is formed in the inner side of the box body, and a movable block and a material are filled in the accommodating cavity. Through the design of the top flange, the sealing groove and the sealing cover, material leakage is effectively prevented, cleanliness and safety in the treatment process are kept, stable support is provided through the design of the base and the bearing plate, vibration and inclination of equipment are reduced, the treatment stability and accuracy are improved, and the service life of the equipment is prolonged. And efficient reciprocating motion conversion is achieved through cooperation of the rack and the gear, and the accuracy and consistency of motion are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of laboratory sample preparation, and particularly relates to a sample preparation table. Background Art

[0002] The conventional sample grinding jar of the small sample making machine used in the laboratory is a cup-type sample grinding jar, which is a flat cylinder with a cylindrical impactor or cylindrical impact ring inside. During grinding, the following problems exist:

[0003] This tank body is a flat cylinder with a cylindrical impactor or impact ring inside. Since the contact surface during grinding is linear contact, the grinding area is small and the efficiency is low.

[0004] Rectangular or cubic grinding jars: The edges of the impactor or impact ring of these jars are right-angled, which are easily worn out, and grinding is mainly carried out by impact, so the effect is relatively general.

[0005] Sample cleaning is more difficult when using a grinding jar with a cylindrical impactor or impact ring. Due to the shape and contact surface design of the impactor or ring, sample easily accumulates inside the jar, requiring the jar to be rotated constantly during grinding to clean and grind simultaneously. This process is complex and difficult to complete.

[0006] Currently, most grinding tanks use a clamping design that requires a hydraulic device or other additional clamping device. This design increases the complexity of operation and is also more cumbersome to maintain and adjust.

[0007] Since additional hydraulic devices or complex clamping mechanisms are required, the overall equipment cost is high, which increases the procurement and maintenance costs of laboratory equipment. Based on this, the present application provides a sample preparation table. Utility Model Content

[0008] In view of the deficiencies in the prior art, the utility model provides a sample preparation table, which solves the problem that when the existing grinding jar is in use, the impact impactor has a general impact effect and is not convenient to clean the sample after the impact.

[0009] The sample preparation table of the utility model comprises a support plate for supporting, a sample preparation box arranged on the support plate, and a reciprocating assembly arranged at the bottom of the sample preparation box;

[0010] The support plate includes a back plate, one side of which is provided with an L-shaped plate, one side of a vertical arm of the L-shaped plate is kept at a fixed distance from one side of the back plate and is adapted to the reciprocating assembly;

[0011] The sample preparation box includes a box body, an inner side of which is provided with a accommodating cavity, and is filled with a movable block and materials, one or more impact blocks are provided on both sides of the movable block, and one or more accommodating grooves are provided at the bottom of the movable block, and a cutting block is installed at the bottom of the accommodating groove through a shaft rod, and the cutting block is in contact with the bottom of the box body.

[0012] As a further improvement of the present invention, a flange is provided on the inner side of the box body near the top, a sealing groove is provided on the top of the flange, and a sealing cover is installed at the sealing groove.

[0013] As a further improvement of the present invention, a base is provided on the outer bottom of the box body, and the base is adapted to the reciprocating assembly to maintain the stability of the box body.

[0014] As a further improvement of the present invention, one or more holders are provided on both sides of the block, and grinding blocks are installed on the holders. The grinding blocks are in contact with both sides of the inner wall of the box body and are used to grind the target object.

[0015] As a further improvement of the present invention, the reciprocating assembly includes two symmetrically arranged limit blocks, a rack is provided on the top of the limit block, a gear is provided below the rack, and the gear is adapted to the rack.

[0016] As a further improvement of the present invention, a circular through hole is opened in the middle of the gear, a transmission shaft is provided at the circular through hole, one end of the transmission shaft extends to one side of the back plate and is installed with a drive motor.

[0017] As a further improvement of the present invention, the other end of the transmission shaft is arranged on one side of the L-shaped plate for fixing the gear.

[0018] As a further improvement of the present invention, a supporting plate is provided above the rack, and one or more positioning holes are opened on the top of the supporting plate, and the positioning holes are adapted to the base at the bottom of the box body.

[0019] As a further improvement of the present invention, a slide groove is provided on one side of the back plate, and a combination block is provided on one side of the box body, and the combination block is slidably adapted to the slide groove.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] This utility model effectively prevents material leakage through the design of the top flange, sealing groove and sealing cover, keeping the processing process clean and safe. The design of the base and support plate provides stable support, reduces the vibration and tilt of the equipment, and improves the stability and accuracy of the processing. The coordination of the rack and gear realizes efficient reciprocating motion conversion, ensuring the accuracy and consistency of the motion. The configuration of the drive shaft and motor ensures efficient power transmission and stable operation. The design of the slide and combination block allows the box body to slide and adjust easily on the back plate, improving the adaptability and operational flexibility of the equipment. Through the left and right movement of the movable block and the impact of the impact block, efficient crushing and mixing of the material is achieved. The precise reciprocating motion and impact design improve the efficiency and effect of material processing;

[0022] The design of the reciprocating components simplifies the operation of the equipment, allowing operators to easily set up and adjust. The wear-resistant design of the equipment reduces maintenance frequency and costs, and enhances the durability of the equipment;

[0023] Precise reciprocating motion and stable impact force reduce fluctuations in material handling results, ensuring consistent handling every time. The design takes into account the stability of the equipment, reducing operational risks and unstable factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0025] Figure 1 This is a schematic diagram of the three-dimensional structure of the support plate and reciprocating assembly combined in the utility model;

[0026] Figure 2 This is a front view structural diagram of the support plate, reciprocating assembly and sample preparation box combination of the utility model;

[0027] Figure 3 This is a side view of the structure of the support plate and reciprocating assembly combination of the utility model;

[0028] Figure 4 This is a schematic diagram of the three-dimensional structure of the sample preparation box of the utility model;

[0029] Figure 5 This is a schematic diagram of the front view structure of the sample preparation box of the utility model;

[0030] Figure 6 This is a schematic structural diagram of the other side of the sample preparation box of the utility model;

[0031] Figure 7 This is a schematic diagram of the top view of the sample preparation box of the utility model;

[0032] Figure 8 For this utility model Figure 6 Schematic diagram of the AA cross-section structure.

[0033] In the figure: 1. Support plate; 2. Reciprocating assembly; 3. Sample preparation box;

[0034] 11. Back plate; 12. Slide; 13. L-shaped plate;

[0035] 21. Rack; 22. Limit block; 23. Gear; 24. Support plate; 25. Drive motor;

[0036] 31. Box body; 32. Sealing groove; 33. Impact block; 34. Flange; 35. Movable block; 36. Accommodating cavity; 37. Base; 38. Combination block; 39. Grinding block; 310. Card seat; 311. Cutting block; 312. Shaft. DETAILED DESCRIPTION

[0037] The following diagrams illustrate various embodiments of the present invention. For clarity, many physical details will be included in the following description. However, it should be understood that these physical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these physical details are not essential. Furthermore, to simplify the illustrations, some commonly used structures and components are depicted in a simplified schematic manner.

[0038] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0039] The sample grinding jars used in small laboratory sample preparation machines are typically cup-shaped, flattened cylinders with a cylindrical impactor or impact ring inside. Currently, most sample grinding jars use a clamping design, requiring hydraulics or other additional clamping devices. This design increases operational complexity and makes maintenance and adjustments more cumbersome.

[0040] Since additional hydraulic devices or complex clamping mechanisms are required, the overall equipment cost is high, which increases the purchase and maintenance costs of laboratory equipment.

[0041] Based on this, this application provides a sample preparation table, please refer to Figures 1 to 4 , which includes a support plate 1 for supporting, a sample preparation box 3 arranged on the support plate 1, and a reciprocating component 2 arranged at the bottom of the sample preparation box 3;

[0042] The support plate 1 includes a back plate 11 , and an L-shaped plate 13 is provided on one side of the back plate 11 . A vertical arm of the L-shaped plate 13 maintains a fixed distance from one side of the back plate 11 and is adapted to the reciprocating assembly 2 .

[0043] Specifically, the sample preparation box 3 includes a box body 31, an inner side of the box body 31 is provided with a accommodating cavity 36, and is filled with a movable block 35 and materials. One or more impact blocks 33 are provided on both sides of the movable block 35, and one or more accommodating grooves are provided at the bottom of the movable block 35. A cutting block 311 is installed at the bottom of the accommodating groove through a shaft 312, and the cutting block 311 is in contact with the bottom of the box body 31.

[0044] The back plate 11 of the support plate 1 primarily stabilizes the entire sample preparation platform structure. An L-shaped plate 13 is positioned on one side of the back plate 11, with one vertical arm of the L-shaped plate 13 maintaining a fixed distance from the back plate 11. This design ensures that the L-shaped plate 13 fits snugly with the reciprocating assembly 2, allowing it to move smoothly on the guide rails of the L-shaped plate 13, thereby improving the operational stability of the entire sample preparation platform.

[0045] The sample preparation box 3 comprises a box body 31, which defines a chamber 36 for accommodating the material to be processed and a movable block 35. The movable block 35 includes one or more impact blocks 33, which exert impact force on the material during the grinding process, thereby improving the grinding effect. The bottom of the movable block 35 is provided with one or more receiving slots, each of which has a cutting block 311 mounted at the bottom via a shaft 312. The cutting block 311 is used to cut the material and contacts the bottom of the box body 31 during the grinding process, thereby achieving efficient material processing.

[0046] The reciprocating assembly 2 is arranged at the bottom of the sample preparation box 3 and is adapted to the L-shaped plate 13 .

[0047] It should be noted that the reciprocating assembly 2 can reciprocate on the guide rail of the L-shaped plate 13, thereby pushing the movable block 35 to move accordingly, further realizing the processing of materials. The setting of the reciprocating assembly 2 ensures that the movement trajectory of the movable block 35 is accurate and improves the processing effect.

[0048] Since the impact blocks 33 are provided on the movable block 35, these impact blocks 33 can exert an impact force on the material during the grinding process, accelerating the crushing and grinding of the material, thereby significantly improving the grinding efficiency.

[0049] The cutting block 311 is arranged in cooperation with the shaft 312 at the bottom of the receiving tank to achieve precise cutting of the material. The contact between the cutting block 311 and the bottom of the box body 31 enables the material to be effectively cut and crushed during the processing, thereby improving the thoroughness of the processing.

[0050] The design of the support plate 1 and the arrangement of the L-shaped plate 13 make the entire sample preparation table structure stable. The movement of the reciprocating assembly 2 on the guide rail of the L-shaped plate 13 ensures the precise movement of the movable block 35, thereby improving the stability and convenience of operation.

[0051] This design reduces dependence on complex hydraulic devices, achieves material processing through mechanical structure, simplifies the operation process, and reduces the maintenance and operation difficulty of the equipment.

[0052] Since the wear resistance of the impact block 33 and the cutting block 311 is taken into consideration in the design, the wear and maintenance frequency of the equipment are reduced, thereby extending the service life of the equipment.

[0053] like Figures 4 to 8 As shown, a flange 34 is provided on the inner side of the box body 31 near the top, a sealing groove 32 is provided on the top of the flange 34, and a sealing cover is installed in the sealing groove 32.

[0054] A base 37 is provided at the outer bottom of the box body 31 . The base 37 is adapted to the reciprocating assembly 2 to maintain the stability of the box body 31 .

[0055] A flange 34 is provided on the inner side of the box body 31, near the top. This flange 34 is designed to enhance the sealing performance of the box body 31. A sealing groove 32 is provided at the top of the flange 34. This groove ensures that the interior of the box body 31 remains sealed during material processing, preventing material leakage and the ingress of external contaminants.

[0056] A sealing cover is installed at the sealing groove 32. The sealing cover can fit tightly in the sealing groove 32, effectively preventing the material from overflowing or leaking from the box body 31 during the processing, and ensuring that the material is processed cleanly and neatly.

[0057] A base 37 is provided on the outer bottom of the box body 31. The base 37 is designed to stabilize the box body 31 so that it does not shake or tilt during operation. The base 37 is adapted to the reciprocating assembly 2 to ensure that the movement of the reciprocating assembly 2 is not interfered with by the position of the box body 31.

[0058] The stability design of the base 37 can reduce possible vibration and displacement during material handling and improve the accuracy of handling.

[0059] By providing a flange 34 and a sealing groove 32 on the top of the box body 31 and installing a sealing cover, the sealing performance of the box body 31 is significantly improved. This design effectively prevents leakage of materials and entry of external pollutants, ensuring clean and safe material handling.

[0060] The design of the base 37 ensures that the box body 31 remains stable during operation, avoiding uneven material processing due to vibration or tilt. The adaptation of the base 37 to the reciprocating assembly 2 further improves the stability of the box body 31, making the movement of the reciprocating assembly 2 smoother and the processing effect more precise.

[0061] The sealed lid effectively prevents material leakage, reducing potential waste and contamination during the experiment. This design is particularly important in a laboratory environment and can improve the accuracy and reliability of experiments.

[0062] Since the sealing design effectively prevents material leakage and external contamination, the internal components of the equipment and the external environment can be better protected, reducing maintenance frequency and repair costs.

[0063] Good sealing performance and a stable 37-degree base design improve the operational safety of the equipment. Operators do not have to worry about safety issues caused by material leakage or equipment tilting, which enhances the reliability and safety of use.

[0064] See also Figure 5 、 Figure 6 as well as Figure 7 and Figure 8 One or more holders 310 are provided on both sides of the block, and a grinding block 39 is installed on the holder 310. The grinding block 39 contacts both sides of the inner wall of the box body 31 for grinding the target object.

[0065] The two sides of the block are designed with one or more card seats 310. These card seats 310 are used to install and fix the grinding block 39, ensuring that the grinding block 39 can be firmly maintained in the correct position during use.

[0066] Grinding block 39 is mounted on base 310 and contacts both sides of the inner wall of housing 31. Grinding block 39 is designed to grind the target material, effectively processing the material through contact with the inner wall of housing 31. The material and shape of grinding block 39 can be designed as needed to accommodate different types of materials and grinding requirements.

[0067] The grinding block 39 applies a grinding force to the target object during the processing, crushing and refining the material through friction with the material. The design of the grinding block 39 takes into account the grinding effect and wear resistance to ensure that the material can be processed efficiently.

[0068] The contact between the grinding block 39 and the inner wall of the box body 31 provides sufficient friction to effectively grind the target object. This design can significantly improve the grinding efficiency, allowing the material to reach the required particle size in a relatively short time.

[0069] The fixed design of the grinding block 39 and the contact with the inner wall of the box body 31 ensure uniform treatment of the material during the grinding process. The position of each grinding block 39 is precisely designed to reduce the inconsistency of the grinding effect and improve the uniformity of the treatment.

[0070] The design of the holder 310 allows the grinding block 39 to be replaced or adjusted as needed to adapt to different materials and grinding requirements. The flexibility of the equipment has been improved and it can process a variety of materials.

[0071] The effective contact between the grinding block 39 and the inner wall of the box body 31 reduces the residue of the material during the grinding process, improves the processing rate of the material, and reduces waste.

[0072] The grinding block 39 is mounted on the base 310, making the replacement and maintenance process simple and quick. The operator can easily disassemble and clean the grinding block 39 to keep the equipment in good operating condition.

[0073] The design of the holder 310 ensures the stability and durability of the grinding block 39, reducing performance degradation due to wear or displacement. The highly wear-resistant material of the grinding block 39 extends the service life of the equipment.

[0074] See also Figure 1 、 Figure 2 as well as Figure 3 The reciprocating assembly 2 includes two symmetrically arranged limit blocks 22 , a rack 21 is provided on the top of the limit block 22 , a gear 23 is provided below the rack 21 , and the gear 23 is adapted to the rack 21 .

[0075] A circular through hole is formed in the middle of the gear 23 , and a transmission shaft is provided in the circular through hole. One end of the transmission shaft extends to one side of the back plate 11 and is installed with a driving motor 25 .

[0076] The other end of the transmission shaft is disposed on one side of the L-shaped plate 13 for fixing the gear 23 .

[0077] A supporting plate 24 is provided above the rack 21 . One or more positioning holes are provided on the top of the supporting plate 24 . The positioning holes are adapted to the base 37 at the bottom of the box body 31 .

[0078] The reciprocating assembly 2 includes two symmetrically arranged limit blocks 22. These limit blocks 22 are designed to ensure the stability and symmetry of the reciprocating motion and avoid the imbalance problem caused by unilateral motion.

[0079] A rack 21 is provided on the top of each limit block 22. The rack 21 has a series of evenly distributed teeth for cooperating with the gear 23 to convert the rotational motion of the drive motor 25 into reciprocating motion.

[0080] A gear 23 is provided below the rack 21, and the tooth shape of the gear 23 precisely matches the rack 21. The rotation of the gear 23 drives the rack 21 to perform linear reciprocating motion, thereby achieving the desired motion trajectory.

[0081] A circular through hole is provided in the middle of the gear 23 for mounting a transmission shaft. One end of the transmission shaft extends to one side of the back plate 11 and is mounted with a drive motor 25. The motor provides rotational power, which is transmitted to the gear 23 via the transmission shaft.

[0082] The other end of the transmission shaft is arranged on one side of the L-shaped plate 13 for fixing the gear 23. This design ensures that the gear 23 can maintain a stable position during operation and prevents inaccurate movement caused by the displacement of the gear 23.

[0083] A supporting plate 24 is provided above the rack 21. The supporting plate 24 provides support during the movement, ensuring that the rack 21 can smoothly reciprocate.

[0084] One or more positioning holes are formed on the top of the supporting plate 24 , which are adapted to the base 37 at the bottom of the box body 31 and are used to fix and stabilize the position of the box body 31 to prevent displacement during the reciprocating motion.

[0085] The movement of the reciprocating assembly 2 is effectively stabilized by the design of the symmetrically arranged limit blocks 22 and the support plates 24. This design reduces problems caused by uneven movement or vibration and improves the consistency of the treatment effect.

[0086] The cooperation between the rack 21 and the gear 23 realizes the conversion of the rotary motion of the drive motor 25 into precise linear reciprocating motion. The precise meshing of the rack 21 and the gear 23 ensures the accuracy of the reciprocating motion, thereby improving the accuracy of material processing.

[0087] The configuration of the transmission shaft and gear 23 enables the rotational power provided by the motor to be effectively transmitted to the rack 21, achieving efficient motion conversion. The design of the gear 23 and transmission shaft improves the efficiency of power transmission and ensures the efficient operation of the equipment.

[0088] The positioning holes on the support plate 24 are adapted to the base 37, simplifying the installation and adjustment process of the device. The operator can quickly fix the position of the box body 31, reducing the time and complexity of equipment adjustment.

[0089] The wear-resistant design of the limit block 22, the rack 21, the gear 23 and the supporting plate 24 improves the durability of the equipment, reduces the maintenance frequency due to wear, and extends the service life of the equipment.

[0090] The stable reciprocating motion and precise fixing design reduce the potential safety hazards caused by equipment instability or misoperation, and improve operational safety.

[0091] See also Figure 1 、 Figure 2 as well as Figure 5 A slide groove 12 is provided on one side of the back plate 11 , and a combination block 38 is provided on one side of the box body 31 , and the combination block 38 is slidably adapted to the slide groove 12 .

[0092] A slide groove 12 is defined on one side of the back panel 11. This groove 12 provides a guide for the box body 31 to slide along the back panel 11. This groove 12 ensures that the box body 31 slides smoothly along a specific trajectory during adjustment or movement. The width, depth, and shape of the groove 12 are precisely designed to accommodate the movement requirements of the assembly block 38.

[0093] A modular block 38 is provided on one side of the box body 31. The modular block 38 is designed to mate with the slide groove 12 of the back panel 11, allowing the box body 31 to slide smoothly within the slide groove 12. The modular block 38 may include sliders, rollers, or other sliding components that enable smooth movement within the slide groove 12, reducing friction and wear and ensuring smooth adjustment and positioning of the box body 31.

[0094] The adaption design of the assembly block 38 and the chute 12 allows the box body 31 to slide and adjust easily during processing. This sliding adaptation enables the box body 31 to move back and forth easily when needed, so as to adjust, load and unload or other operations.

[0095] The design of the assembly block 38 may also include a locking mechanism to fix the position of the box body 31 when necessary to prevent accidental sliding or movement.

[0096] The design of the chute 12 on the back plate 11 and the assembly block 38 on the box body 31 allows the box body 31 to slide easily on the back plate 11. This design improves the flexibility of the equipment, and the operator can quickly adjust the position of the box body 31 as needed to optimize the material handling effect.

[0097] The precise matching of the chute 12 and the assembly block 38 reduces the instability of the box body 31 during the sliding process. Through smooth sliding, the positioning of the box body 31 is more stable, reducing the inaccurate handling caused by improper positioning.

[0098] The assembly block 38 may include sliders or rollers. These designs reduce direct friction with the slide 12, reduce wear, and extend the service life of the equipment.

[0099] The design of the chute 12 and the assembly block 38 simplifies the operation and adjustment process of the device, making it more convenient to move the box body 31. Maintenance personnel can quickly make adjustments and clean, reducing operation time and maintenance costs.

[0100] The design of the chute 12 and the stable cooperation of the assembly block 38 reduce the operational risks caused by the instability of the box body 31. When necessary, the locking mechanism of the assembly block 38 can fix the position of the box body 31, further improving the safety of the device.

[0101] The box body 31 can slide and adjust smoothly, making the material processing process more flexible and efficient. This design can adjust the position of the box body 31 as needed, optimize the material processing effect, and adapt to different experimental requirements.

[0102] The above description is merely an embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be included within the scope of the claims of the present invention.

Claims

1. A sample preparation table, comprising a support plate (1) for supporting, a sample preparation box (3) arranged on the support plate (1), and a reciprocating assembly (2) arranged at the bottom of the sample preparation box (3); characterized in that: The support plate (1) comprises a back plate (11), an L-shaped plate (13) is provided on one side of the back plate (11), a vertical arm of the L-shaped plate (13) maintains a fixed distance from one side of the back plate (11) and is adapted to the reciprocating assembly (2); The sample preparation box (3) comprises a box body (31), an inner side of the box body (31) is provided with a receiving cavity (36), and is filled with a movable block (35) and materials, one or more impact blocks (33) are provided on both sides of the movable block (35), one or more receiving grooves are provided at the bottom of the movable block (35), a cutting block (311) is installed at the bottom of the receiving groove through a shaft (312), and the cutting block (311) is in contact with the bottom of the box body (31); The reciprocating assembly (2) includes two symmetrically arranged limit blocks (22), a rack (21) is provided on the top of the limit block (22), a gear (23) is provided below the rack (21), the gear (23) is adapted to the rack (21), a circular through hole is provided in the middle of the gear (23), a transmission shaft is provided at the circular through hole, one end of the transmission shaft extends to one side of the back plate (11), and a driving motor (25) is installed thereon; The other end of the transmission shaft is arranged on one side of the L-shaped plate (13) for fixing the gear (23). A supporting plate (24) is arranged above the rack (21). One or more positioning holes are opened on the top of the supporting plate (24). The positioning holes are adapted to the base (37) at the bottom of the box body (31).

2. The sample preparation table according to claim 1, characterized in that: A flange (34) is provided on the inner side of the box body (31) near the top, a sealing groove (32) is provided on the top of the flange (34), and a sealing cover is installed at the sealing groove (32).

3. The sample preparation table according to claim 1, characterized in that: A base (37) is provided at the outer bottom of the box body (31), and the base (37) is adapted to the reciprocating assembly (2) and is used to maintain the stability of the box body (31).

4. The sample preparation table according to claim 1, characterized in that: One or more holders (310) are provided on both sides of the movable block (35), and a grinding block (39) is installed on the holder (310). The grinding block (39) contacts both sides of the inner wall of the box body (31) and is used for grinding the target object.

5. The sample preparation table according to claim 1, characterized in that: A sliding groove (12) is provided on one side of the back plate (11), and a combination block (38) is provided on one side of the box body (31), and the combination block (38) is slidably adapted to the sliding groove (12).

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