Rotary pressing sheet with cleaning structure

Abstract

The utility model relates to the technical field of pharmacy, and discloses a rotary tablet with a cleaning structure, which comprises a pressing plate body; the cleaning assembly is arranged above the pressing plate body and used for cleaning excess materials on the top face of the pressing plate body, the cleaning assembly comprises a cleaning rod, a connecting base and a scraping plate, the cleaning rod is movably arranged below the connecting base, the scraping plate is elastically connected with the cleaning rod, and the scraping plate can abut against the top face of the pressing plate body and scrape and clean the pressing plate body; by arranging a cleaning rod and a scraping plate, the scraping plate is pushed by a first spring to slide in a sliding groove, so that the scraping plate tightly abuts against the top face of the pressing plate body, excess materials scattered on the top face of the pressing plate body are scraped and cleaned, the materials are guided to the edge position of the pressing plate body through the inclined scraping plate, automatic cleaning is achieved, and the cleaning effect is good; and gaps generated by abrasion of the scraper can be automatically made up, the cleaning effect is stable, and the service life is long.

Description

Technical Field

[0001] The utility model relates to the technical field of pharmaceuticals, in particular to a rotary tablet press with a cleaning structure. Background Art

[0002] A rotary tablet press is a machine that presses dry granular or powdered materials into tablets through a die, that is, it uses a tableting plate and a punch to squeeze the powder into tablets.

[0003] The prior art discloses a rotary pharmaceutical tablet pressing device (publication number: CN201910203675.9), which relates to the field of pharmaceutical tablet pressing technology. The present invention comprises a rotating shaft rotatably installed between a lower bottom plate and an upper top plate; a rotating pressing plate coaxially fixedly installed with the rotating shaft; a pressing groove evenly distributed in an annular manner on one end surface of the rotating pressing plate; a pressing plate slidably installed at the bottom of the pressing groove; a sliding rod connected to one end of the pressing plate slidably matches with a sliding hole opened at the bottom of the pressing groove, and the sliding rod cannot slide down along the sliding hole under the action of its own gravity and the gravity of the tablet; one end of the sliding rod is fixed parallel to the top plate of the pressing plate.

[0004] The existing technology mainly realizes the extrusion molding of tablets by cooperating with the forming holes of the tablet pressing plate through the punch. Before tableting, powder needs to be injected into the forming holes. During the injection process, part of the material will fall outside the forming holes, that is, residue will be formed on the top of the tablet, which needs to be cleaned manually regularly, which has a certain negative impact on long-term stable production.

[0005] For this reason, we propose a rotary tablet press with a cleaning structure. Utility Model Content

[0006] The utility model mainly solves the technical problem that the powder residue on the top of the tablet press needs to be cleaned manually regularly, and provides a rotary tablet press with a cleaning structure.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme, a rotary tablet press with a cleaning structure, comprising:

[0008] The pressing plate body is a circular plate structure used for forming. The top surface of the pressing plate body is provided with a plurality of forming holes, and the center position of the pressing plate body is provided with a rectangular hole for connecting the rotating shaft;

[0009] A cleaning assembly is arranged above the pressing plate body and is used to clean the residual material on the top surface of the pressing plate body. The cleaning assembly includes a cleaning rod, a connecting seat and a scraper. The cleaning rod is movably arranged below the connecting seat. The scraper is elastically connected to the cleaning rod. The scraper can contact the top surface of the pressing plate body and scrape and clean the pressing plate body.

[0010] The connecting assembly is arranged between the cleaning rod and the connecting seat and is used for adjusting the installation angle of the cleaning rod and locking the position of the cleaning rod.

[0011] As a preferred embodiment of the utility model, the cleaning assembly also includes a sliding groove and a first spring. The sliding groove is opened at the bottom of the cleaning rod. The scraper and the first spring are both located in the sliding groove. The scraper is slidably connected to the sliding groove. The two ends of the first spring are respectively fixedly connected to the scraper and the cleaning rod.

[0012] As a preferred embodiment of the present invention, the cleaning assembly further comprises a collecting box, which is fixedly arranged below the cleaning rod and forms a box structure with an open top, and the collecting box can collect residual materials cleaned by the scraper.

[0013] As a preferred embodiment of the utility model, the connecting assembly includes a vertical shaft, an end plate, a slot and a limit rod, the vertical shaft is fixedly connected to the cleaning rod and is rotatably connected to the connecting seat, the end plate is fixedly connected to the vertical shaft, a plurality of slots are provided at the bottom of the end plate, the limit rod is elastically connected to the connecting seat, and the limit rod can be inserted into the slot to lock the position of the end plate.

[0014] As a preferred embodiment of the utility model, the end plate forms a circular plate, the slots at the bottom of the end plate are distributed in a ring array, the slots are rectangular slots, and the top surface of the limiting rod is provided with an integrally formed protrusion, which is adapted to the slot.

[0015] As a preferred embodiment of the present invention, the connection assembly further comprises a sleeve, the sleeve is fixedly connected to the connection seat, the limiting rod is slidably connected to the sleeve, and a second spring is arranged in the sleeve for pushing the limiting rod to contact the end plate.

[0016] As a preferred embodiment of the utility model, the limit rod forms an L-shaped rod body structure, the horizontal part of the limit rod extends to the bottom of the end plate, the sleeve forms a square tube structure, the vertical part of the limit rod is slidably connected to the inner wall of the sleeve, and the second spring is fixedly installed at the bottom of the limit rod and fixedly connected to the inner bottom surface of the limit rod.

[0017] Beneficial Effects

[0018] The utility model provides a rotary tablet press with a cleaning structure. It has the following beneficial effects:

[0019] 1. This rotary pressing plate with a cleaning structure is provided with a cleaning rod and a scraper. The scraper is pushed to slide in the sliding groove by a first spring, so that the scraper is in close contact with the top surface of the pressing plate body. The residual material scattered on the top surface of the pressing plate body is scraped and cleaned. The material is guided to the edge of the pressing plate body by the inclined scraper to achieve automatic cleaning. The cleaning effect is good, the gap caused by the wear of the scraper can be automatically filled, the cleaning effect is stable, and the service life is long.

[0020] 2. This rotary pressing plate with a cleaning structure is achieved by fixing the cleaning rod and the vertical shaft, and by rotating the cleaning rod, the cleaning rod drives the vertical shaft to rotate around the connecting seat. Specifically, a shaft sleeve is installed on the wall of the connecting seat, and the vertical shaft is rotatably connected to the shaft sleeve, and the limit rod is pressed down. The limit rod slides in the sleeve and squeezes the second spring, and the protrusion on the top surface of the limit rod disengages from the slot. When the cleaning rod is rotated to a suitable position, the limit rod is released, and the thrust of the second spring pushes the limit rod to move upward, and the protrusion on the top of the limit rod is stuck in another slot to lock the end plate and the vertical shaft, so that the inclination angle of the cleaning rod on the top surface of the pressure plate body is fixed, and the position of the cleaning rod can be adjusted according to the rotation direction and rotation speed of the pressure plate body, so as to ensure the cleaning effect of the cleaning rod on the pressure plate body, and the adjustability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is one of the overall three-dimensional diagrams of the utility model;

[0022] Figure 2 This is the second overall stereogram of the utility model;

[0023] Figure 3 This is a bottom-up stereoscopic view of the cleaning rod of the utility model;

[0024] Figure 4 This is a three-dimensional diagram of the scraper of the utility model;

[0025] Figure 5 It is an overall stereogram of the connection assembly of the utility model.

[0026] Legend: 10. Pressing plate body; 11. Cleaning rod; 12. Connecting seat; 13. Scraper; 14. Sliding groove; 15. Collecting box; 20. Vertical axis; 21. End plate; 22. Slot; 23. Limiting rod; 24. Sleeve. DETAILED DESCRIPTION

[0027] A rotary tablet press with a cleaning structure, such as Figure 1 and Figure 2 As shown, including:

[0028] The pressing plate body 10 is a circular plate structure for forming. A plurality of forming holes are opened on the top surface of the pressing plate body 10. A rectangular hole for connecting the rotating shaft is opened at the center of the pressing plate body 10. Specifically, the forming hole is circular and can be opened according to the size of the tablet to be formed. The rectangular hole is used to connect with the rotating shaft of the driving pressing plate body 10. Two punches enter the forming hole from the upper and lower sides of the pressing plate body 10 to realize the extrusion forming of the tablet. The installation method and control method of the punch are well-known prior art and will not be described here.

[0029] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a cleaning assembly is arranged above the pressing plate body 10 for cleaning the residual material on the top surface of the pressing plate body 10. The cleaning assembly includes a cleaning rod 11, a connecting seat 12 and a scraper 13. The cleaning rod 11 is movably arranged below the connecting seat 12. The scraper 13 is elastically connected to the cleaning rod 11. The scraper 13 can contact the top surface of the pressing plate body 10 and scrape and clean the pressing plate body 10; the cleaning assembly also includes a sliding groove 14 and a first spring. The sliding groove 14 is provided at the bottom of the cleaning rod 11. The scraper 13 and the first spring are both located in the sliding groove 14. The scraper 13 is slidably connected to the sliding groove 14. The two ends of the first spring are respectively connected to the scraper 13 and the cleaning The rod 11 is fixedly connected. In the present embodiment, the connecting seat 12 is an L-shaped plate. The wall surface of the connecting seat 12 is provided with a mounting hole. The connecting seat 12 is fixedly mounted to the frame by bolts. By arranging the cleaning rod 11 and the scraper 13, the scraper 13 is pushed to slide in the sliding groove 14 by the first spring, so that the scraper 13 is tightly in contact with the top surface of the pressing plate body 10. The residual material scattered on the top surface of the pressing plate body 10 is scraped and cleaned. The material is guided to the edge position of the pressing plate body 10 by the inclined scraper 13 to realize automatic cleaning. The cleaning effect is good, and the gap caused by the wear of the scraper 13 can be automatically made up. The cleaning effect is stable and the service life is long.

[0030] like Figure 1 As shown, the cleaning assembly also includes a collecting box 15, which is fixedly arranged below the cleaning rod 11. The collecting box 15 forms a box structure with an open top. The collecting box 15 can collect the residual materials cleaned by the scraper 13. The collecting box 15 with a box structure collects and stores the powdered materials expelled by the scraper 13, which is convenient for centralized cleaning or recycling at a later time.

[0031] like Figure 5As shown, the connecting assembly is arranged between the cleaning rod 11 and the connecting seat 12 for adjusting the installation angle of the cleaning rod 11 and locking the position of the cleaning rod 11. The connecting assembly includes a vertical shaft 20, an end plate 21, a slot 22 and a limit rod 23. The vertical shaft 20 is fixedly connected to the cleaning rod 11 and the vertical shaft 20 is rotatably connected to the connecting seat 12. The end plate 21 is fixedly connected to the vertical shaft 20. A plurality of slots 22 are provided at the bottom of the end plate 21. The limit rod 23 is elastically connected to the connecting seat 12. The limit rod 23 can be inserted into the slot 22 to lock the position of the end plate 21. 21 forms a circular plate, the card slots 22 at the bottom of the end plate 21 are distributed in a ring array, the card slots 22 are rectangular slots, the top surface of the limit rod 23 is provided with an integrally formed protrusion, the protrusion is adapted to the card slot 22, the connection assembly also includes a sleeve 24, the sleeve 24 is fixedly connected to the connection seat 12, the limit rod 23 is slidably connected to the sleeve 24, a second spring is provided in the sleeve 24 for pushing the limit rod 23 to contact the end plate 21, the limit rod 23 forms an L-shaped rod body structure, the horizontal part of the limit rod 23 extends to the bottom of the end plate 21, and the sleeve 24 forms a square tube structure. The vertical part of the limit rod 23 is slidably connected to the inner wall of the sleeve 24, and the second spring is fixedly installed at the bottom of the limit rod 23 and fixedly connected to the inner bottom surface of the limit rod 23. As a supplementary explanation to the above scheme, the cleaning rod 11 is fixedly installed with the vertical shaft 20, and the cleaning rod 11 is rotated, and the cleaning rod 11 drives the vertical shaft 20 to rotate around the connecting seat 12. Specifically, a shaft sleeve is installed on the wall surface of the connecting seat 12, and the vertical shaft 20 is rotatably connected to the shaft sleeve, and the limit rod 23 is pressed down, and the limit rod 23 slides in the sleeve 24 and squeezes the second spring, and The protrusion on the top surface of the limit rod 23 disengages from the slot 22. When the cleaning rod 11 rotates to a suitable position, the limit rod 23 is released, and the thrust of the second spring pushes the limit rod 23 upward, and the protrusion on the top of the limit rod 23 is inserted into another slot 22, thereby locking the end plate 21 and the vertical axis 20. The inclination angle of the cleaning rod 11 on the top surface of the pressure plate body 10 is fixed, and the position of the cleaning rod 11 can be adjusted according to the rotation direction and rotation speed of the pressure plate body 10, thereby ensuring the cleaning effect of the cleaning rod 11 on the pressure plate body 10, and the adjustability is strong.

[0032] The working principle of the utility model is as follows: the limit rod 23 is pressed down, the limit rod 23 slides in the sleeve 24 and squeezes the second spring, and the protrusion on the top surface of the limit rod 23 is disengaged from the slot 22, the cleaning rod 11 is rotated, and the cleaning rod 11 drives the vertical shaft 20 to rotate around the connecting seat 12. Specifically, a shaft sleeve is installed on the wall surface of the connecting seat 12, and the vertical shaft 20 is rotatably connected with the shaft sleeve. When the cleaning rod 11 is rotated to a suitable position, the limit rod 23 is released, and the thrust of the second spring pushes the limit rod 23 to move up, and the limit rod 23 is pushed up. The protrusion on the top is inserted into another slot 22 to lock the end plate 21 and the vertical axis 20. The inclination angle of the cleaning rod 11 on the top surface of the pressure plate body 10 is fixed, and the scraper 13 is pushed to slide in the sliding slot 14 by the first spring, so that the scraper 13 is in close contact with the top surface of the pressure plate body 10. The residual material scattered on the top surface of the pressure plate body 10 is scraped and cleaned. The inclined scraper 13 can squeeze the residual material scattered on the top surface of the pressure plate body 10 toward the edge position, and the residual material falls into the collection box 15 to be collected and stored.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A rotary tablet press with a cleaning structure, characterized in that: include: The pressing plate body (10) is a circular plate structure used for forming, a plurality of forming holes are opened on the top surface of the pressing plate body (10), and a rectangular hole for connecting the rotating shaft is opened at the center of the pressing plate body (10); A cleaning assembly is arranged above the pressing plate body (10) and is used to clean the residual material on the top surface of the pressing plate body (10). The cleaning assembly comprises a cleaning rod (11), a connecting seat (12) and a scraper (13). The cleaning rod (11) is movably arranged below the connecting seat (12). The scraper (13) is elastically connected to the cleaning rod (11). The scraper (13) can contact the top surface of the pressing plate body (10) and scrape and clean the pressing plate body (10). The connecting assembly is arranged between the cleaning rod (11) and the connecting seat (12) and is used for adjusting the installation angle of the cleaning rod (11) and locking the position of the cleaning rod (11).

2. The rotary tablet press with cleaning structure according to claim 1, characterized in that: The cleaning assembly further comprises a sliding groove (14) and a first spring. The sliding groove (14) is provided at the bottom of the cleaning rod (11). The scraper (13) and the first spring are both located in the sliding groove (14). The scraper (13) is slidably connected to the sliding groove (14). The two ends of the first spring are respectively fixedly connected to the scraper (13) and the cleaning rod (11).

3. The rotary tablet press with cleaning structure according to claim 1, characterized in that: The cleaning assembly further comprises a collecting box (15), wherein the collecting box (15) is fixedly arranged below the cleaning rod (11), and the collecting box (15) forms a box structure with an open top, and the collecting box (15) can collect the residual materials cleaned by the scraper (13).

4. The rotary tablet press with cleaning structure according to claim 1, characterized in that: The connecting assembly comprises a vertical shaft (20), an end plate (21), a slot (22) and a limiting rod (23); the vertical shaft (20) is fixedly connected to the cleaning rod (11) and the vertical shaft (20) is rotatably connected to the connecting seat (12); the end plate (21) is fixedly connected to the vertical shaft (20); a plurality of slots (22) are provided at the bottom of the end plate (21); the limiting rod (23) is elastically connected to the connecting seat (12); and the limiting rod (23) can be inserted into the slot (22) to lock the position of the end plate (21).

5. The rotary tablet press with cleaning structure according to claim 4, characterized in that: The end plate (21) is formed into a circular plate, the clamping grooves (22) at the bottom of the end plate (21) are distributed in a ring array, the clamping grooves (22) are rectangular grooves, and the top surface of the limiting rod (23) is provided with an integrally formed protrusion, which is adapted to the clamping groove (22).

6. The rotary tablet press with cleaning structure according to claim 4, characterized in that: The connection assembly further comprises a sleeve (24), the sleeve (24) being fixedly connected to the connection seat (12), the limiting rod (23) being slidably connected to the sleeve (24), and a second spring being arranged in the sleeve (24) for pushing the limiting rod (23) to contact the end plate (21).

7. The rotary tablet press with cleaning structure according to claim 6, characterized in that: The limiting rod (23) forms an L-shaped rod body structure, the horizontal portion of the limiting rod (23) extends to the bottom of the end plate (21), the sleeve (24) forms a square tube structure, the vertical portion of the limiting rod (23) is slidably connected to the inner wall of the sleeve (24), and the second spring is fixedly installed at the bottom of the limiting rod (23) and fixedly connected to the inner bottom surface of the limiting rod (23).

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