Medicine grinding machine

Abstract

The utility model provides a medicine grinding machine which comprises a base, a grinding wheel and a grinding wheel. The supporting plate is arranged on the base through a plurality of supporting columns, a pair of limiting blocks with intervals are arranged on the supporting plate, and a hollow round hole is formed in the middle of the supporting plate; the edge of a top opening of the bowl body is provided with a discharging guide groove which is arranged along the radial direction; the bottom of the grinding rod is spherical; the lower end of the guide rod is in sliding fit in the upper end of the grinding rod, and the upper end of the guide rod is provided with a matching part which is spherically hinged to the bottom of a guide block; the spring is arranged on the guide rod in a sleeving manner and is arranged between the matching part and the upper end of the grinding rod; one end of the rotating rod is connected with the guide block, and the other end is connected with a motor output shaft; during application, the bowl body is assembled in the round hole, the bottom of the bowl body is in contact fit with the spherical groove, and the discharging guide groove is located between the limiting blocks. According to the scheme, automatic grinding can be carried out after feeding and bowl loading, the automation degree of medicine grinding in a medicine trial-production experiment is improved, and the operation intensity is reduced.

Description

Technical Field

[0001] The present application relates to drug trial production technology, and in particular to a drug grinding machine. Background Art

[0002] In drug trial production experiments, a small amount of drugs are usually ground into powder manually in a grinding bowl using a grinding rod. If the drug to be ground has a high fine particle size requirement, or if a variety of different drug powders need to be ground in a short period of time, the operation will take a long time, and both hands of the experimenter will be occupied during the operation, making it inconvenient to perform other operations. If you want to record the duration, you need to stop or wait for the single drug grinding to end; and long-term manual grinding is relatively labor-intensive. In view of this situation, it is necessary to make improvements. Utility Model Content

[0003] In order to solve the above-mentioned deficiencies of the prior art, the present application provides a drug grinder, which realizes automatic grinding after loading and filling, improves the degree of automation of drug grinding in drug trial production experiments, and reduces the operation intensity.

[0004] In order to achieve the above purpose, the utility model adopts the following technologies:

[0005] A medicine grinding machine, comprising:

[0006] a base having a spherical groove on its top surface;

[0007] A support plate is arranged on the base through a plurality of pillars, a pair of spaced limiting blocks are arranged on the support plate, and a hollow circular hole is arranged in the middle of the support plate;

[0008] The bowl body has a top edge provided with a radially arranged discharge guide groove;

[0009] A grinding rod, the bottom of which is spherical;

[0010] A guide rod, the lower end of which is slidably fitted in the upper end of the grinding rod, the upper end of the guide rod having a fitting portion, the fitting portion being articulated with a bottom ball of a guide block;

[0011] A spring is sleeved on the guide rod and arranged between the matching portion and the upper end of the grinding rod;

[0012] A rotating rod, one end of which is connected to the guide block, and the other end of which is connected to an output shaft of a motor;

[0013] When in use, the bowl body is assembled in the circular hole and the bottom of the bowl body contacts and fits in the spherical groove, the discharge guide groove is located between the limit blocks, and after assembly, the top of the bowl body is higher than the support plate, and its axis is consistent with the axis of the motor output shaft.

[0014] Furthermore, the guide block has a circumferential side surface, and the side surface of the guide block is matched with the inner wall of an annular guide rail. The motor is installed on the horizontal frame, and the output shaft of the motor is arranged vertically downward. The horizontal frame is arranged on the annular guide rail through a column. A pair of lifting mechanisms are provided on the base, and their movable ends are connected to the annular guide rail.

[0015] The beneficial effects of the utility model are:

[0016] 1. Through the guide rod, spring, and ball hinge of the matching part and the guide block, when the guide block moves with the rotation of the rotating rod, the spherical shape at the bottom of the grinding rod keeps contacting the center of the bowl body in an inclined posture, which can approximately simulate the grinding method of directional circular movement of the handheld grinding rod to achieve automatic grinding;

[0017] 2. By setting up a lifting mechanism, the grinding assembly can be raised to provide a larger space for assembling and removing the bowl body;

[0018] 3. The spring keeps the grinding rod in downward contact, and due to the ball joint, the grinding rod can rotate on its own, which is convenient for grinding; at the same time, due to the discharge guide groove and the limit block, the rotation of the bowl body is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the medicine grinder according to an embodiment of the present application.

[0020] Figure 2 It is a schematic structural diagram of the base, support plate and bowl body assembly of an embodiment of the present application.

[0021] Figure 3 It is a schematic diagram of the bowl body structure of an embodiment of the present application.

[0022] Figure 4 It is a schematic diagram of the structure of the grinding assembly of an embodiment of the present application. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings, but the embodiments described in the utility model are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] The present application embodiment provides a medicine grinding machine, such as Figure 1-Figure 3 As shown, it includes a base 1, a support plate 11, a bowl body 2, a grinding assembly, etc.

[0025] The top surface of the base 1 has a spherical groove 10, and the support plate 11 is arranged on the base 1 through a plurality of pillars, and a pair of spaced limit blocks 12 are arranged on the support plate 11, and a hollow circular hole is arranged in the middle of the support plate 11 for the lower part of the bowl body 2 to pass through. A discharge guide groove 21 arranged radially is arranged on the edge of the top opening of the bowl body 2, which is used to fit between the pair of limit blocks 12 after the bowl body 2 is assembled to the base 1 and the support plate 11. When in use, the bowl body 2 is assembled in the circular hole and the bottom of the bowl body 2 contacts and fits in the spherical groove 10; after assembly, the top opening of the bowl body 2 is higher than the support plate 11.

[0026] like Figure 1 and Figure 4 As shown, the grinding assembly includes a grinding rod 3, a guide rod 31, a spring 32, a rotating rod 35, a motor 36, etc. Among them, the bottom of the grinding rod 3 is spherical, the upper end of the grinding rod 3 is recessed inward to form a matching channel, the guide rod 31 is coaxially arranged with the grinding rod 3, and the lower end of the guide rod 31 is slidably matched in the upper end of the grinding rod 3, that is, matched in the matching channel.

[0027] The guide rod 31 has a matching portion 33 at its upper end, and the matching portion 33 is ball-jointed to the bottom of a guide block 34 ; the spring 32 is sleeved on the guide rod 31 and disposed between the matching portion 33 and the upper end of the grinding rod 3 .

[0028] One end of the rotating rod 35 is connected to the guide block 34, and the other end is connected to the output shaft of a motor 36. After the bowl body 2 is assembled, its axis is consistent with the axis of the output shaft of the motor 36. By setting the length of the rotating rod 35, or adjusting the distance between the connection position of the rotating rod 35 with the guide block 34 and the connection position with the output shaft of the motor 36, and adjusting the installation height of the motor 36, the inclination angle of the grinding rod 3 can be adjusted. The inclination angle here refers to the angle between the grinding rod 3 and the output axis of the motor 36. During operation, the grinding rod 3 will use the bottom acting on the bowl body 2 as a fulcrum, and move around the output axis of the motor 36 as the guide block 34 moves; and because it is a ball hinge, the rotation of the grinding rod 3 itself during this process does not affect the implementation.

[0029] In actual use, the bowl body 2 is first assembled on the support frame 11 and the base 1. During assembly, the spring 32 can be appropriately compressed to provide space for the bowl body 2 to load the material. Specifically, the bowl body 2 can be inserted in a slightly tilted state and then turned into Figure 1 and Figure 2In the state shown, after the spring 32 is released, the bottom of the grinding rod 3 contacts the inner surface of the bowl body. Specifically, the bottom of the grinding rod 3 faces the center of the bowl body 3. During assembly, it is also necessary to pay attention to fitting the discharge guide groove 21 between a pair of limit blocks 12, so that the limit blocks 12 limit the discharge guide groove 21, thereby preventing the bowl body 2 from rotating. Then, the medicine to be treated can be added to the bowl body, and the motor 36 is turned on to drive the rotating rod 35 to rotate, thereby driving the guide block 34 to move in a circular trajectory. Due to the ball hinge relationship between the matching part 33 and the guide block 34, the guide rod 31 and the upper section of the grinding rod 3 will also move with the guide block 34, and the bottom of the grinding rod 3, under the action of the spring 32, maintains a continuous resistance to the bowl body 2, and also serves as a support point for the rotation of the grinding rod 3, while achieving the grinding of the medicine.

[0030] After grinding is completed, the motor 36 can be turned off, and after the rotation stops, the bowl body 2 can be removed, and then the ground medicine powder can be scraped out from the discharge guide groove 21 by a scraper.

[0031] Preferably, in order to improve the stability of the grinding assembly during rotation, the guide block 34 is configured to have a circumferential side structure, and the side of the guide block 34 is matched with the inner side wall of an annular guide rail 38, such as Figure 1 As shown, when it moves with the rotation of the rotating rod 35, it will be guided along the inner wall of the annular guide rail 38. Further, if the guide block 34 is set to have a step on the circumferential side, the step can be matched with the inner wall and top surface of the annular guide rail 38 to provide support and guiding effects.

[0032] On this basis, specifically, the motor 36 can be vertically installed on the cross frame 37, and the output shaft of the motor 36 is arranged vertically downward, and the cross frame 37 is arranged on the annular guide rail 38 through the column.

[0033] In order to facilitate the taking of the bowl body 2, a pair of lifting mechanisms 39 can be provided on the base 1, and the movable ends of the lifting mechanisms 39 are connected to the annular guide rails 38, so that the entire grinding assembly can be lifted and lowered to facilitate the taking of the bowl body 2. Specifically, the lifting mechanism 39 can be a lifting cylinder or an oil cylinder, or other vertically arranged linear mechanisms, such as a linear lead screw.

[0034] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application.

Claims

1. A medicine grinding machine, characterized in that: include: A base (1) having a spherical groove (10) on its top surface; A support plate (11) is arranged on the base (1) via a plurality of pillars, a pair of spaced limiting blocks (12) are arranged on the support plate, and a hollow circular hole is provided in the middle of the support plate (11); The bowl body (2) has a top edge provided with a discharge guide groove (21) arranged in a radial direction; A grinding rod (3) having a spherical bottom; A guide rod (31) whose lower end is slidably fitted in the upper end of the grinding rod (3); the upper end of the guide rod (31) has a fitting portion (33); the fitting portion (33) is spherically hinged to the bottom of a guide block (34); A spring (32) is sleeved on the guide rod (31) and is arranged between the matching portion (33) and the upper end of the grinding rod (3); A rotating rod (35) having one end connected to the guide block (34) and the other end connected to an output shaft of a motor (36); When in use, the bowl body (2) is assembled in the circular hole and the bottom of the bowl body (2) contacts and fits in the spherical groove (10), and the discharge guide groove (21) is located between the limit blocks (12).

2. The drug grinding machine according to claim 1, characterized in that: The guide block (34) has a circumferential side surface, and the side surface of the guide block (34) is matched with the inner side wall of an annular guide rail (38).

3. The medicine grinding machine according to claim 2, characterized in that: The motor (36) is mounted on the cross frame (37), and the output shaft of the motor (36) is arranged vertically downward, and the cross frame (37) is arranged on the annular guide rail (38) through a column.

4. The medicine grinding machine according to claim 3, characterized in that A pair of lifting mechanisms (39) are provided on the base (1), and movable ends of the lifting mechanisms (39) are connected to the annular guide rails (38).

5. The drug grinding machine according to claim 1, characterized in that When the bowl body (2) is assembled, the top of the bowl body (2) is higher than the support plate (11), and the axis of the bowl body (2) is consistent with the axis of the output shaft of the motor (36).

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