CN219558093U

CN219558093U - Powder bed preparation instrument

Info

Publication number: CN219558093U
Application number: CN202320671200.4U
Authority: CN
Inventors: 郭昊; 甘羽; 王绪发; 胡超林; 蒋涛; 王德毅; 付强; 苟煜; 刘俊峰; 李多明; 胡加元; 刘思川; 刘文军; 谭鸿波; 郭晓英; 王亮
Original assignee: Sichuan Kelun Pharmaceutical Co Ltd
Current assignee: Sichuan Kelun Pharmaceutical Co Ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-22
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to the technical field of preparation processing, and particularly discloses a powder bed preparation tool which comprises a powder disc and a scraping plate; the outer wall of the powder tray is provided with a sliding rail; the scraping plate is inserted into the powder tray, a gap is formed between the bottom of the scraping plate and the inner bottom of the powder tray, two ends of the scraping plate in the length direction are of a planar structure, and the two ends of the scraping plate in the length direction are in contact with the inner wall of the powder tray; the scraping plate moves on the sliding rail through the sliding mechanism, so that the powder tray moves along the length direction of the sliding rail. According to the utility model, powder spreading is realized by adopting a mode of moving the scraping plate, so that the uniformity of the thickness of the powder can be realized, the powder is not contacted by a manual hand, and the problem of cross contamination can be effectively avoided.

Description

Powder bed preparation instrument

Technical Field

The utility model relates to the technical field of preparation processing, in particular to a powder bed preparation tool.

Background

In some pharmaceutical formulation processes, it is necessary to spread the powder into a powder bed of uniform thickness and then to perform the next formulation process.

The common treatment mode is to spread the powder by hands, namely, after the operator puts the powder into a container, the operator spreads the powder bed by fingers. There are thus the following problems in the process:

1) The powder bed thickness is uneven and cannot be quantified: because of the pure manual operation, the powder bed thickness cannot be ensured to be uniform only by the experience and hand feeling of operators, and the preparation process of the next step is influenced;

2) Cross-contamination problem: the operators directly operate by hands and are stained with active medicines, so that the medicine powder is easily brought to other places, and the clean environment for medicine production is affected.

In summary, conventional purely manual operations are not suitable for this formulation process step, with the risk of contamination and cross-contamination to the production of the product. There is a need to address this problem.

Disclosure of Invention

The utility model aims to provide a powder bed preparation tool for solving the problem of uneven thickness and cross contamination of a powder bed caused by powder laying by manual operation.

The utility model is realized by the following technical scheme:

a powder bed preparation tool, which comprises a powder disc and a scraping plate;

the outer wall of the powder tray is provided with a sliding rail;

the scraping plate is inserted into the powder tray, a gap is formed between the bottom of the scraping plate and the inner bottom of the powder tray, two ends of the scraping plate in the length direction are of a planar structure, and the two ends of the scraping plate in the length direction are in contact with the inner wall of the powder tray;

the scraping plate moves on the sliding rail through the sliding mechanism, so that the powder tray moves along the length direction of the sliding rail.

The height of the gap between the bottom of the plate and the inner bottom of the powder tray is the thickness of the powder.

The powder spreading and sprinkling device adopts a movable scraper to realize powder spreading and sprinkling, and solves the problems of uneven thickness and cross contamination of a powder bed caused by manual powder spreading.

Further, both ends of the scraper blade in the length direction are provided with L-shaped plates, a sliding groove is formed between the L-shaped plates and the scraper blade, and the sliding rail is arranged in the sliding groove.

Further, the top of the powder disk is horizontally folded to form a supporting plate for installing the sliding rail.

Further, the device also comprises a thickness adjusting mechanism;

the thickness adjusting mechanism comprises a positioning bolt and a gasket;

the plurality of gaskets are arranged, and the thickness of the plurality of gaskets is different; the gap between the bottom of the scraping plate and the inner bottom of the powder disk is adjusted by changing gaskets with different thicknesses;

the horizontal section of L shaped plate and gasket are provided with the screw thread through-hole and the through-hole that are used for passing positioning bolt respectively on, and during the use, the gasket is placed at the horizontal section up end of L shaped plate.

According to the utility model, the gap between the bottom of the scraping plate and the inner bottom of the powder tray is adjusted by replacing the gaskets with different thicknesses, so that powder with different thicknesses can be spread, and the gaskets with matched thicknesses can be selected according to the thickness of the powder to be spread.

Further, the gasket is provided with a scale for displaying the thickness of the gasket.

Further, the powder dish is the square groove, the slide rail is arranged along the length direction in square groove.

Further, the bottom four corners of the square groove are arc corners, so that powder is prevented from remaining at the four corners.

Further, at least one of the two side walls of the square groove in the length direction is an arc-shaped plate, namely the length of the square groove gradually increases from bottom to top, so that the powder in the powder tray can be discharged conveniently, and the powder in the powder tray can be poured out along the arc-shaped plate.

Further, the view angle of the bottom of the squeegee in the width direction is triangular.

Further, the powder bed preparation tool is made of polyether-ether-ketone or polytetrafluoroethylene.

The polyether-ether-ketone and polytetrafluoroethylene are all commercially available existing materials.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. according to the utility model, powder spreading is realized by adopting a mode of moving the scraping plate, so that the uniformity of the thickness of the powder can be realized, the powder is not contacted by a manual hand, and the problem of cross contamination can be effectively avoided.

2. The utility model realizes that the powder bed preparation tool is used for spreading powder with different thicknesses through the thickness adjusting mechanism for adjusting the gap between the bottom of the scraping plate and the inner bottom of the powder tray, and can realize quantitative powder bed thickness.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic diagram of the powder bed preparation tool of the present utility model;

FIG. 2 is a schematic view of the structure of the scraper of the present utility model;

fig. 3 is a schematic structural view of the powder disk of the present utility model.

In the drawings, the reference numerals and corresponding part names:

1-a powder tray; 2-scraping plates; 3-positioning bolts; 4-a gasket; 5-sliding rails; 6-sliding grooves; 7-L-shaped plates; 11-a support plate.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

Example 1:

as shown in fig. 1 to 3, a powder bed preparation tool comprises a powder disk 1 and a scraping plate 2;

the outer wall of the powder tray 1 is provided with a sliding rail 5, and the sliding rail 5 is used for realizing that the scraping plate 2 moves in the powder tray 1;

the scraper 2 is inserted into the powder tray 1, a gap is formed between the bottom of the scraper 2 and the inner bottom of the powder tray 1, two ends of the scraper 2 in the length direction are of a planar structure, and the two ends of the scraper 2 in the length direction are in contact with the inner wall of the powder tray 1;

the scraper 2 moves on the sliding rail 5 through a sliding mechanism, so that the powder disk 1 moves along the length direction of the sliding rail 5.

The mode that this embodiment adopted the removal scraper blade realizes that the powder is spread and is spilt, not only can realize the homogeneity of powder thickness, and need not artifical hand contact powder, can effectively avoid cross contamination's problem.

In a mode of specifically realizing the sliding of the scraping plate 2, two ends of the length direction of the scraping plate 2 are provided with L-shaped plates 7, a sliding groove 6 is formed between the L-shaped plates 7 and the scraping plate 2, wherein the vertical section of the L-shaped plates 7 is used as a limit in the horizontal direction, a sliding block is vertically arranged on the horizontal section of the L-shaped plates 7, and the sliding block can move on the sliding rail 5 to realize that the powder disc 1 moves along the length direction of the sliding rail 5.

In another embodiment, the sliding manner of the scraping plate 2 is realized, both ends of the scraping plate 2 in the length direction are provided with a horizontal plate, namely, the L-shaped plate 7 is replaced by a horizontal plate with only a horizontal section, and other arrangement modes are the same as the embodiment.

The powder dish 1 is the square groove of exemplary, and the top level of powder dish 1 turns over and turns over the backup pad 11 that forms and be used for installing slide rail 5, backup pad 11 is arranged along the length direction in square groove, and slide rail 5 is installed at backup pad 11, and the square board that has certain thickness of scraper blade 2, and the length direction of scraper blade 2 is the width direction of powder dish 1, and scraper blade 2 moves along the length direction of powder dish 1 in powder dish 1, realizes that the powder spreads and spills.

In a preferred case, in order to facilitate discharging and not to leave powder in the powder tray 1, the bottom four corners of the square groove are arc corners, namely, the bottom four corners of the square groove are non-right angles; at least one of the two side walls of the square groove in the length direction is an arc-shaped plate, namely the length of the square groove gradually increases from bottom to top, and the width of the arc-shaped plate is consistent with that of the square groove, so that scraping of the scraping plate 2 is not influenced.

In a preferred case, the view angle of the bottom of the scraping plate 2 in the width direction is triangular, that is, the two side walls of the bottom of the scraping plate 2 in the width direction or the thickness direction are inclined planes, and the two inclined planes intersect in a straight line at the bottommost part, that is, when the scraping plate 2 moves to scrape the material, the contact part with the powder is in line contact, so that the scraping of the scraping plate 2 can be better realized.

In a preferred case, the powder bed preparation tool is made of polyether-ether-ketone or polytetrafluoroethylene, and both the polyether-ether-ketone and the polytetrafluoroethylene are in the prior art.

Example 2:

as shown in fig. 1 to 3, the present embodiment is based on embodiment 1, and further includes a thickness adjustment mechanism;

the thickness adjusting mechanism comprises a positioning bolt 3 and a gasket 4;

the plurality of gaskets 4 are arranged, and the thickness of the plurality of gaskets 4 is different; the gap between the bottom of the scraper 2 and the inner bottom of the powder disk 1 is adjusted by changing gaskets 4 with different thicknesses, specifically, the depth of the positioning bolt 3 extending into the chute 6 is controlled by adjusting the thickness of the gasket 4, so that the gap between the bottom of the scraper 2 and the inner bottom of the powder disk 1 is adjusted;

the horizontal section of L shaped plate 7 is provided with the screw thread through-hole and the through-hole that are used for passing positioning bolt 3 respectively on with gasket 4, and during the use, gasket 4 is placed at the horizontal section up end of L shaped plate 7.

In this embodiment, the lower portion of the positioning bolt 3 functions like a slider, the lower portion of the positioning bolt 3 is engaged with the slide rail 5 and is movable in the slide rail 5, and the depth of the positioning bolt 3 extending into the slide rail 5 is controlled by adjusting the thickness of the spacer 4.

The working process of the embodiment is as follows:

s1, mounting a gasket 4 with corresponding thickness to the horizontal section of an L-shaped plate 7 according to the process requirement, namely the required powder thickness;

s2, manually screwing the bolts: the positioning bolt 3 passes through the through hole of the gasket 4 and then is inserted into the threaded through hole of the horizontal section of the L-shaped plate 7 and is screwed down;

s3, adding a fixed amount of medicinal powder into the powder tray 1;

s4, sliding the scraping plate 2 along the length direction of the powder disc 1 to form a powder bed with uniform thickness.

According to the embodiment, through the thickness adjusting mechanism for adjusting the gap between the bottom of the scraping plate and the inner bottom of the powder tray, the powder bed preparation tool is used for spreading powder with different thicknesses, and the quantitative powder bed thickness can be realized.

In this embodiment, when the spacer 4 is not used, the length of the positioning bolt 3 penetrating into the chute 6 is the largest, and at this time, the gap between the bottom of the scraper 2 and the inner bottom of the powder pan 1 is the largest, that is, the thickness of the powder bed is the largest, and as the thickness of the spacer 4 is increased, the length of the positioning bolt 3 penetrating into the chute 6 is reduced, and the gap between the bottom of the scraper 2 and the inner bottom of the powder pan 1 is the smallest, that is, the thickness of the powder bed is the smallest.

Since the height of the blade 2 and the depth of the powder disk 1 are known, and the dimensions of the other parts of the powder bed preparation tool are also known, the original gap between the bottom of the blade 2 and the inner bottom of the powder disk 1 is known when the gasket 4 is not used, while since the thickness of the gasket 4 is determined, the thickness of the powder bed is the difference between the original gap and the thickness of the gasket 4 when the gasket 4 is used.

In a preferred case, in order to more intuitively read the thickness of the powder in the powder pan 1, that is, the gap between the bottom of the scraper 2 and the inner bottom of the powder pan 1, the pad 4 is provided with a scale for displaying the thickness of the pad 4.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are for understanding and reading only by those skilled in the art, and are not intended to limit the scope of the utility model, so that any structural modifications, proportional changes, or size adjustments should fall within the scope of the utility model without affecting the efficacy and achievement of the present utility model. Also, the terms such as "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.

Claims

1. A powder bed preparation tool, which is characterized by comprising a powder disc (1) and a scraping plate (2);

the outer wall of the powder tray (1) is provided with a sliding rail (5);

the scraper (2) is inserted into the powder tray (1), a gap is formed between the bottom of the scraper (2) and the inner bottom of the powder tray (1), two ends of the scraper (2) in the length direction are of planar structures, and two ends of the scraper (2) in the length direction are in contact with the inner wall of the powder tray (1);

the scraping plate (2) moves on the sliding rail (5) through the sliding mechanism, so that the powder tray (1) moves along the length direction of the sliding rail (5).

2. The powder bed preparation tool according to claim 1, wherein the two ends of the scraper (2) in the length direction are provided with L-shaped plates (7), a sliding groove (6) is formed between the L-shaped plates (7) and the scraper (2), and the sliding rail (5) is arranged in the sliding groove (6).

3. A powder bed preparation tool according to claim 2, characterized in that the top of the powder pan (1) is folded horizontally forming a support plate (11) for mounting the slide rail (5).

4. The powder bed preparation tool of claim 2, further comprising a thickness adjustment mechanism;

the thickness adjusting mechanism comprises a positioning bolt (3) and a gasket (4);

the plurality of gaskets (4) are arranged, and the thicknesses of the plurality of gaskets (4) are different; the gap between the bottom of the scraping plate (2) and the inner bottom of the powder disk (1) is adjusted by replacing gaskets (4) with different thicknesses;

the horizontal section of L shaped plate (7) and gasket (4) are provided with the screw thread through-hole and the through-hole that are used for passing positioning bolt (3) respectively, and during the use, gasket (4) are placed at the horizontal section up end of L shaped plate (7).

5. A powder bed preparation tool as claimed in claim 4, characterized in that the shim (4) is provided with graduations for displaying the thickness of the shim (4).

6. A powder bed preparation tool according to claim 1, characterized in that the powder disk (1) is a square groove, and the slide rail (5) is arranged along the length direction of the square groove.

7. The powder bed manufacturing tool of claim 6, wherein the bottom four corners of the square groove are rounded corners.

8. The powder bed manufacturing tool of claim 6, wherein at least one of the two longitudinal side walls of the square groove is an arcuate plate.

9. A powder bed preparation tool according to claim 1, characterized in that the bottom of the scraper (2) is triangular in view in the width direction.

10. A powder bed preparation tool as claimed in any one of claims 1 to 9, wherein the powder bed preparation tool is made of polyetheretherketone or polytetrafluoroethylene.