A grinding device for biological sample grinding

Abstract

The utility model relates to a kind of for biological sample grinding's grinding device, belong to sample grinding technical field, including installation box, setting in the placing tray of installation box top, setting in the grinding disc of placing tray upper surface and the L-shaped frame fixedly connected in the top of installation box, the top of installation box is provided with the drive mechanism for grinding disc stable grinding, the top of L-shaped frame is provided with the moving mechanism for drive mechanism lift adjustment. This is for biological sample grinding's grinding device, by driving motor worm and worm gear rotation, drive sleeve and grinding disc stable operation, avoid speed fluctuation, by moving plate, abutment spring and abutment rod cooperate buffer pressure, keep appropriate contact force, guide shaft ensures that grinding disc is perpendicular and act on sample, improve grinding effect, by limit rod limit mounting plate moving direction, enhance stability, speed reducer drives placing tray reverse rotation by transmission gear and toothed disc, improve grinding effect and sample uniformity.

Description

Technical Field

[0001] This utility model relates to the field of sample grinding technology, specifically a grinding device for grinding biological samples. Background Technology

[0002] Biological samples typically refer to plant flowers, leaves, stems, roots, seeds, etc., animal (including human) bodily fluids (such as urine, blood, saliva, bile, gastric juice, lymph, and other secretions of organisms), hair, muscles, and some tissues and organs, as well as various microorganisms. When processing biological roots and stems, it is necessary to grind the outer surface of the roots and stems. The grinding of biological roots and stems is usually carried out by a grinding machine. When using existing grinding machines, the biological roots and stems to be ground are directly placed on the surface of the pad, and the grinding mechanism is operated to perform the grinding operation. The grinding machine has a simple structure, is easy to operate, and improves the precision of grinding operation, thus improving the grinding effect of biological roots and stems.

[0003] Chinese utility model patent CN218742246U discloses a sample grinding device, including a base, a grinding cylinder rotatably mounted on the top of the base, and the top of the grinding cylinder having an open structure. An L-shaped plate is fixedly mounted on one side of the top of the base, and a device for rotating the grinding cylinder is provided on the L-shaped plate. A mounting hole is provided at the top of the horizontal part of the L-shaped plate, located directly above the grinding cylinder. A connecting rod is inserted into the mounting hole, and a second motor is fixedly mounted at the bottom of the connecting rod. A rotating rod is fixedly connected to one end of the output shaft of the second motor, and a grinding disc is fixedly mounted at the bottom of the rotating rod. A threaded cylinder corresponding to the mounting hole is fixedly connected to the top of the horizontal part of the L-shaped plate.

[0004] However, the grinding disc of the sample grinding device of this utility model is usually moved down by rotating the thread of the connecting rod. Although this way of moving down is less effort than pressing directly, it cannot accurately control the contact pressure between the grinding disc and the sample, which can easily lead to over-grinding or insufficient grinding of the sample. Therefore, a grinding device for grinding biological samples is proposed to solve the problems mentioned above. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a grinding device for grinding biological samples, which has advantages such as stable grinding effect and solves the problems mentioned in the background.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A grinding device for grinding biological samples includes a mounting box, a placement tray disposed on the top of the mounting box, a grinding disc disposed on the upper surface of the placement tray, and an L-shaped frame fixedly connected to the top of the mounting box. The top of the mounting box is provided with a drive mechanism for stabilizing grinding by the grinding disc, and the top of the L-shaped frame is provided with a moving mechanism for adjusting the lifting of the drive mechanism.

[0008] The driving mechanism includes a sleeve disposed on the top of the mounting box, a movable plate slidably connected inside the sleeve, an abutment rod extending to the outside of the sleeve fixedly connected to the bottom of the movable plate, an abutment spring fixedly connected between the movable plate and the sleeve, a guide shaft extending to the inside of the abutment rod fixedly connected to the inner top wall of the sleeve, and a grinding disc fixedly connected to the bottom end of the abutment rod.

[0009] The moving mechanism includes a hydraulic cylinder fixedly installed on the top of the L-shaped frame, with a mounting plate fixedly connected to the output end of the hydraulic cylinder, and a sleeve rotatably connected inside the mounting plate and extending to its lower surface.

[0010] Furthermore, the outer diameter of the movable plate is adapted to the inner diameter of the sleeve, and the abutment spring is connected to the outside of the guide shaft.

[0011] Furthermore, a limiting hole is provided inside the abutment rod, and the abutment rod is slidably connected to the outside of the guide shaft through the limiting hole.

[0012] Furthermore, a drive motor is fixedly mounted on the top of the mounting plate, a worm gear is fixedly mounted on the outside of the sleeve, and a worm that meshes with the worm gear is fixedly connected to the output shaft of the drive motor.

[0013] Furthermore, a limiting rod is fixedly connected between the mounting box and the L-shaped frame, and the mounting plate is slidably connected to the outside of the limiting rod.

[0014] Furthermore, the mounting box is provided with a reverse rotation mechanism extending to its upper surface. The reverse rotation mechanism includes a reduction motor fixedly installed inside the mounting box and a rotating seat rotatably connected to the bottom wall of the mounting box. A gear plate is fixedly installed on the outside of the rotating seat, and a fixed seat is fixedly connected to the top of the rotating seat.

[0015] Furthermore, a transmission gear adapted to the geared disc is fixedly connected to the output shaft of the geared motor, and a bearing adapted to the rotating seat is fixedly installed inside the mounting box.

[0016] Furthermore, the placement tray is detachably connected to the interior of the fixing base, and a locking rod extending into the interior of the fixing base is inserted and installed on the surface of the placement tray.

[0017] Compared with the prior art, the present invention provides a grinding device for grinding biological samples, which has the following beneficial effects:

[0018] 1. This grinding device for biological sample grinding uses a drive motor to rotate a sleeve via a worm gear and worm wheel, which in turn rotates the grinding disc. The worm gear and worm wheel transmission has self-locking properties, ensuring smooth operation of the grinding disc during rotation and preventing fluctuations in the disc's rotation speed due to external interference. A moving plate, abutment spring, and abutment rod work together to buffer pressure and maintain appropriate contact force, ensuring stable and uniform grinding. The guide shaft provides precise guidance for the abutment rod, ensuring the grinding disc acts perpendicularly to the sample, thus improving the grinding effect.

[0019] 2. This grinding device for biological samples restricts the movement of the mounting plate by setting a limiting rod, allowing it to slide up and down along the limiting rod. This enhances the structural stability of the entire device and prevents the mounting plate from shifting or shaking due to vibration or external forces during grinding, ensuring the stability and reliability of the grinding process. A geared motor drives the rotating base to rotate via transmission gears and a geared disc, which in turn rotates the placement disc. The placement disc and the grinding disc rotate in opposite directions; this relative motion allows the biological sample to undergo more thorough grinding, improving the grinding effect and sample homogeneity. Attached Figure Description

[0020] Figure 1 This is a three-dimensional view of the structure of this utility model;

[0021] Figure 2 This is a three-dimensional view of the drive mechanism and grinding disc of this utility model;

[0022] Figure 3 This is a cross-sectional view of the drive mechanism of this utility model;

[0023] Figure 4 This is a three-dimensional structural view of the reverse rotation mechanism of this utility model.

[0024] In the diagram: 1. Mounting box; 2. Placement tray; 3. Grinding tray; 4. L-shaped frame; 5. Drive mechanism; 51. Sleeve; 52. Abutment rod; 53. Moving plate; 54. Abutment spring; 55. Guide shaft; 56. Drive motor; 57. Worm gear; 58. Worm wheel; 6. Moving mechanism; 61. Hydraulic cylinder; 62. Mounting plate; 63. Limiting rod; 7. Reverse rotation mechanism; 71. Gear motor; 72. Transmission gear; 73. Rotating seat; 74. Gear plate; 75. Fixed seat. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1 to 4 A grinding device for grinding biological samples in this embodiment includes a mounting box 1, a placement plate 2 disposed on the top of the mounting box 1, a grinding plate 3 disposed on the upper surface of the placement plate 2, and an L-shaped frame 4 fixedly connected to the top of the mounting box 1. The top of the mounting box 1 is provided with a driving mechanism 5 for stable grinding of the grinding plate 3, and the top of the L-shaped frame 4 is provided with a moving mechanism 6 for adjusting the lifting of the driving mechanism 5.

[0027] The drive mechanism 5 includes a sleeve 51 mounted on the top of the mounting box 1. A movable plate 53 is slidably connected inside the sleeve 51. An abutment rod 52 extending to the outside of the sleeve 51 is fixedly connected to the bottom of the movable plate 53. An abutment spring 54 is fixedly connected between the movable plate 53 and the sleeve 51. A guide shaft 55 extending to the inside of the abutment rod 52 is fixedly connected to the inner top wall of the sleeve 51. The grinding disc 3 is fixedly connected to the bottom end of the abutment rod 52. The grinding disc 3 achieves stable grinding pressure adjustment through the sleeve 51, movable plate 53, abutment rod 52, and abutment spring 54 of the drive mechanism 5. At the same time, it achieves flexible lifting and lowering adjustment through the hydraulic cylinder 61 and mounting plate 62 of the movable mechanism 6, ensuring that the grinding disc 3 can adapt to biological samples of different thicknesses, thereby improving grinding efficiency and sample quality.

[0028] Specifically, the outer diameter of the movable plate 53 matches the inner diameter of the sleeve 51, and the abutment spring 54 is connected to the outside of the guide shaft 55. A limiting hole is provided inside the abutment rod 52, which is slidably connected to the outside of the guide shaft 55 through the limiting hole. The abutment spring 54, surrounding the outside of the guide shaft 55, can automatically adjust the contact pressure between the grinding disc 3 and the biological sample, ensuring uniform and adjustable grinding pressure and avoiding insufficient or excessive grinding due to uneven pressure. The guide shaft 55 extends into the interior of the abutment rod 52, and the abutment rod 52 is slidably connected to the outside of the guide shaft 55 through the limiting hole. This structure restricts the movement trajectory of the grinding disc 3, keeping it stable during grinding and preventing shaking, thereby improving the uniformity of the grinding effect.

[0029] In this embodiment, the moving mechanism 6 includes a hydraulic cylinder 61 fixedly mounted on the top of the L-shaped frame 4. A mounting plate 62 is fixedly connected to the output end of the hydraulic cylinder 61, and a sleeve 51 is rotatably connected inside the mounting plate 62 and extends to its lower surface. The extension and retraction of the hydraulic cylinder 61 drives the sleeve 51 and the grinding disc 3 to move up and down through the mounting plate 62, which can flexibly adjust the height of the grinding disc 3 to adapt to biological samples of different thicknesses, thus improving the versatility and applicability of the device.

[0030] The top of the mounting plate 62 is fixedly mounted with a drive motor 56, the outside of the sleeve 51 is fixedly mounted with a worm gear 58, and the output shaft of the drive motor 56 is fixedly connected with a worm 57 that meshes with the worm gear 58.

[0031] Specifically, a limiting rod 63 is fixedly connected between the mounting box 1 and the L-shaped frame 4, and the mounting plate 62 is slidably connected to the outside of the limiting rod 63. The limiting rod 63 can also prevent the mounting plate 62 from colliding with the L-shaped frame 4 or other components due to excessive extension and retraction of the hydraulic cylinder 61 during the extension and retraction process, thereby protecting the device from damage and extending the service life of the equipment.

[0032] In this embodiment, the interior of the mounting box 1 is provided with a reverse rotation mechanism 7 extending to its upper surface. The reverse rotation mechanism 7 includes a reduction motor 71 fixedly installed inside the mounting box 1 and a rotating seat 73 rotatably connected to the bottom wall of the mounting box 1. A gear plate 74 is fixedly installed on the outside of the rotating seat 73, and a fixed seat 75 is fixedly connected to the top of the rotating seat 73.

[0033] The geared motor 71 has a transmission gear 72 fixedly connected to its output shaft, which is compatible with the geared disc 74. The mounting box 1 contains a bearing compatible with the rotating seat 73. The geared motor 71 drives the rotating seat 73 to rotate via the transmission gear 72 and the geared disc 74, which in turn drives the placement disc 2 to rotate. The placement disc 2 rotates in the opposite direction to the grinding disc 3. This relative motion allows the biological sample to undergo more thorough grinding during the grinding process, improving the grinding effect and sample uniformity.

[0034] Specifically, the placement tray 2 is detachably connected to the interior of the fixing base 75, and a locking rod extending into the interior of the fixing base 75 is inserted into the surface of the placement tray 2. The detachable connection of the placement tray 2 to the interior of the fixing base 75 and its fixation by the locking rod facilitates the placement and removal of biological samples, and also facilitates the cleaning and maintenance of the placement tray 2 and the grinding tray 3, thereby improving the ease of use and cleaning efficiency of the device.

[0035] The working principle of the above embodiments is as follows:

[0036] During operation, the hydraulic cylinder 61 extends and retracts to move the mounting plate 62 along the limiting rod 63 according to the thickness of the biological sample, so that the drive mechanism 5 and the grinding disc 3 connected to the mounting plate 62 by the sleeve 51 are raised and lowered to a suitable height. Then, the drive motor 56 is started, and the sleeve 51 and the grinding disc 3 are rotated through the worm gear 57 and worm wheel 58. At the same time, the reduction motor 71 cooperates with the gear plate 74 through the transmission gear 72 to drive the rotating seat 73 and the placement disc 2 on the fixed seat 75 to rotate in opposite directions, and the two generate relative motion. During the grinding process, the abutment spring 54 surrounds the guide shaft 55, which can automatically adjust the contact pressure between the grinding disc 3 and the sample. The guide shaft 55 restricts the movement trajectory of the grinding disc 3 to make it stable, ensuring that the grinding is uniform and sufficient. The placement disc 2 is detachable for easy operation and maintenance.

[0037] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that achieves the desired beneficial effect can be implemented. Furthermore, all electrical components in this embodiment are electrically connected to the main controller and power supply. The main controller can be a conventional, known device such as a computer that performs control functions. Those skilled in the art can control the electrical components through simple programming, and the existing disclosed power connection technologies are common knowledge in the field. Therefore, this embodiment will not elaborate further on their specific structural composition and working principles.

[0038] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grinding device for grinding biological samples, characterized in that: It includes a mounting box (1), a placement plate (2) set on the top of the mounting box (1), a grinding plate (3) set on the upper surface of the placement plate (2), and an L-shaped frame (4) fixedly connected to the top of the mounting box (1). The top of the mounting box (1) is provided with a drive mechanism (5) for stable grinding of the grinding plate (3), and the top of the L-shaped frame (4) is provided with a moving mechanism (6) for adjusting the lifting of the drive mechanism (5). The drive mechanism (5) includes a sleeve (51) disposed on the top of the mounting box (1), a movable plate (53) is slidably connected inside the sleeve (51), an abutment rod (52) extending to the outside of the sleeve (51) is fixedly connected to the bottom of the movable plate (53), an abutment spring (54) is fixedly connected between the movable plate (53) and the sleeve (51), a guide shaft (55) extending to the inside of the abutment rod (52) is fixedly connected to the inner top wall of the sleeve (51), and the grinding disc (3) is fixedly connected to the bottom end of the abutment rod (52). The moving mechanism (6) includes a hydraulic cylinder (61) fixedly installed on the top of the L-shaped frame (4), and a mounting plate (62) is fixedly connected to the output end of the hydraulic cylinder (61). The sleeve (51) is rotatably connected to the inside of the mounting plate (62) and extends to its lower surface.

2. The grinding apparatus for grinding biological samples according to claim 1, characterized in that: The outer diameter of the movable plate (53) is adapted to the inner diameter of the sleeve (51), and the abutment spring (54) is connected around the outside of the guide shaft (55).

3. The grinding apparatus for grinding biological samples according to claim 1, characterized in that: The abutment rod (52) has a limiting hole inside, and the abutment rod (52) is slidably connected to the outside of the guide shaft (55) through the limiting hole.

4. The grinding apparatus for grinding biological samples according to claim 1, characterized in that: A drive motor (56) is fixedly installed on the top of the mounting plate (62), a worm gear (58) is fixedly installed on the outside of the sleeve (51), and a worm (57) that meshes with the worm gear (58) is fixedly connected to the output shaft of the drive motor (56).

5. A grinding apparatus for grinding biological samples according to claim 1, characterized in that: A limiting rod (63) is fixedly connected between the mounting box (1) and the L-shaped frame (4), and the mounting plate (62) is slidably connected to the outside of the limiting rod (63).

6. A grinding apparatus for grinding biological samples according to claim 1, characterized in that: The mounting box (1) is provided with a reverse rotation mechanism (7) extending to its upper surface. The reverse rotation mechanism (7) includes a geared motor (71) fixedly installed inside the mounting box (1) and a rotating seat (73) rotatably connected to the bottom wall of the mounting box (1). A gear plate (74) is fixedly installed on the outside of the rotating seat (73), and a fixed seat (75) is fixedly connected to the top of the rotating seat (73).

7. A grinding apparatus for grinding biological samples according to claim 6, characterized in that: The output shaft of the geared motor (71) is fixedly connected to a transmission gear (72) that is compatible with the gear disc (74), and the inside of the mounting box (1) is fixedly installed with a bearing that is compatible with the rotating seat (73).

8. A grinding apparatus for grinding biological samples according to claim 6, characterized in that: The placement tray (2) is detachably connected to the interior of the fixing base (75), and a locking rod extending into the interior of the fixing base (75) is inserted into the surface of the placement tray (2).

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