CN211763702U

CN211763702U - Pharmaceutic adjuvant extrusion drying all-in-one

Info

Publication number: CN211763702U
Application number: CN202020158049.0U
Authority: CN
Inventors: 尹建; 吕宪峰; 王乐涛; 田翠翠
Original assignee: Shandong Liaocheng Ehua Pharmaceutical Co ltd
Current assignee: Shandong Liaocheng Ehua Pharmaceutical Co ltd
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2020-10-27
Anticipated expiration: 2030-02-10

Abstract

The utility model provides a pharmaceutic adjuvant extrusion drying all-in-one, including the extrusion case, feeding conveyor, ejection of compact conveyor and electromagnetic heating roller set, the electromagnetic heating roller set includes drive roll and driven voller, the electromagnetic heating roller set has three groups and vertical crisscross distribution at least, the inside of extrusion case is provided with the horizontal slide rail that supplies the driven voller to remove, the both ends of driven voller are provided with positioner, rotate the carriage apron that sets up L shape on the drive roll, be provided with main scraper on the carriage apron, main scraper passes through the angular form frame joint on the carriage apron, the one end that is close to the drive roll on the carriage apron is provided with vice sword groove and vice scraper, ejection of compact conveyor's top is provided with three infrared heater at. The utility model integrates the extrusion function and the drying function into a whole, and has higher production efficiency; the electromagnetic heating roller set is wide in adjusting range, and the problem of material adhesion on the electromagnetic heating roller is effectively solved by using the design of the scraper and the auxiliary scraper; the infrared heater is used for heating and drying, so that the uniformity is good, and the energy is saved.

Description

Pharmaceutic adjuvant extrusion drying all-in-one

Technical Field

The utility model belongs to the technical field of medicinal production processing equipment, especially, relate to a pharmaceutic adjuvant extrusion drying all-in-one.

Background

The processes of drying and the like are carried out after extrusion in the current process of producing the pharmaceutic adjuvant. Such as: pregelatinized starch is modified starch obtained by breaking starch granules partially or completely by chemical or physical method, and is commonly used as binder, diluent, and disintegrant in tablet, and has self-lubricating effect, good compressibility and fluidity.

At present, the method for producing pregelatinized starch is mainly a physical extrusion method, which is to press starch containing a little moisture through an electromagnetic heating roller, receive the heat of the electromagnetic heating roller, melt the material through the shearing and compression effect brought by the electromagnetic heating roller, and obtain dried pregelatinized starch through a steam drying method before crushing. However, in the prior art, a scraper is usually arranged only in the moving direction of the electromagnetic heating roller to prevent materials from being bonded, but the scraping capability and the structural strength of the scraper are still to be improved; secondly, the space between the electromagnetic heating rollers used in pairs is fixed, and no adjustable space exists, so that the processing flexibility is reduced; moreover, the steam drying method consumes more energy and has poorer drying uniformity;

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell pregelatinized starch exists in the aspect of extrusion and drying, provide a reasonable in design, simple structure, extrusion effect and drying effect are better and be favorable to improving production efficiency and production capacity's a pharmaceutic adjuvant extrusion drying all-in-one.

In order to achieve the purpose, the technical scheme adopted by the utility model is that the pharmaceutical excipient extruding and drying integrated machine comprises an extruding box, wherein the input end and the output end of the extruding box are respectively provided with a feeding conveying device and a discharging conveying device, the inside of the extruding box is provided with an electromagnetic heating roller set, the electromagnetic heating roller set comprises a driving roller and a driven roller, scrapers are arranged below the driving roller and the driven roller, the electromagnetic heating roller set comprises at least three groups and is longitudinally and alternately distributed, the inside of the extruding box is provided with a horizontal sliding rail for the driven roller to move, two ends of the driven roller are provided with positioning devices positioned outside the extruding box, the driving roller is fixed on the horizontal sliding rail, an L-shaped slide carriage is rotatably arranged on the driving roller, a main scraper is arranged on the slide carriage, and the main scraper is connected on the slide carriage through an angular frame, two sides of the angle frame and the slide carriage are respectively provided with a connecting node, one end of the slide carriage close to the driving roller is provided with an auxiliary knife groove, an auxiliary scraper is arranged in the auxiliary knife groove, the distance between the auxiliary scraper and the circumferential surface of the driving roller is smaller than the distance between the main scraper and the circumferential surface of the driving roller, the outer side of the auxiliary knife groove is provided with a fixing bolt capable of being connected with the auxiliary scraper, and at least three infrared heaters are arranged above the discharging and conveying device along the conveying direction of the discharging and conveying device.

Preferably, the radial distance between the main scraper and the driving roller is larger than the radial distance between the auxiliary scraper and the driving roller.

Preferably, the positioning device comprises a shaft sleeve and a connecting plate connected with the shaft sleeve, a through hole is formed in the connecting plate, and a connecting bolt connected with the extrusion box is arranged in the through hole.

Preferably, the side surface of the extrusion box is provided with an arc-shaped hole, and an adjusting bolt connected with the slide carriage is arranged in the arc-shaped hole.

Preferably, the slide carriage is connected with the inner wall of the side surface of the extrusion box.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model provides an integrated machine for extruding and drying pharmaceutic adjuvant, which integrates the extruding function and the drying function into a whole and has higher production efficiency; the electromagnetic heating roller set in the extrusion box has wide adjusting range and good applicability, and the problem of material adhesion on the electromagnetic heating roller is effectively avoided by using the design of the scraping and auxiliary scraping knives; the infrared heater has uniform heating effect and saves energy. The utility model relates to a rationally, simple structure, be fit for extensive popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an integrated machine for extruding and drying pharmaceutical excipients, provided by an embodiment;

FIG. 2 is an isometric view of a carriage, primary doctor blade, secondary doctor blade and angle frame provided in accordance with an embodiment;

FIG. 3 is a schematic structural diagram of a slide carriage, a main scraper, an auxiliary scraper and an angle frame provided by an embodiment;

FIG. 4 is a schematic structural diagram of a positioning apparatus according to an embodiment;

in the above figures, 1, a squeeze box; 2. a feed conveyor; 3. a discharge conveying device; 4. an electromagnetic heating roller set; 41. a drive roll; 42. a driven roller; 5. a horizontal slide rail; 6. a positioning device; 61. a shaft sleeve; 62. a connecting plate; 63. a through hole; 7. a slide carriage; 8. a main scraper; 9. an angle frame; 10. a secondary scraper; 11. fixing the bolt; 12. an infrared heater; 13. an arc-shaped hole.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a pair of pharmaceutic adjuvant extrusion drying all-in-one, including extrusion box 1, the input and the output of extrusion box 1 are provided with feeding conveyor 2 and ejection of compact conveyor 3 respectively, and extrusion box 1's inside is provided with electromagnetic heating roller set 4, and electromagnetic heating roller set 4 includes drive roll 41 and driven voller 42, and drive roll 41 and driven voller 42's below all is provided with the scraper. The scraper below the driving roller is the main scraper 8, and the scraper below the driven roller 42 is the auxiliary scraper. The feeding conveying device 2, the discharging conveying device 3 and the electromagnetic heating roller are the prior mature technologies, and the description of the embodiment is omitted. On this basis, the utility model discloses increased the structure of adjusting electromagnetic heating roller in the extrusion case, provided the improvement to the scraper that corresponds cooperation work with the drive roll simultaneously, changed dry mode moreover, improved production efficiency and product quality through the multinomial improvement.

Specifically, the utility model provides an electromagnetic heating roller set 4 has three groups and vertical crisscross distribution at least, the inside of extrusion case 1 is provided with the horizontal slide rail 5 that supplies the driven voller to remove, the both ends of driven voller 42 are provided with the positioner 6 that is located the 1 outside of extrusion case, drive roll 41 is fixed on horizontal slide rail 5, it sets up the carriage apron 7 of L shape to rotate on the drive roll 41, be provided with main scraper 8 on the carriage apron 7, main scraper 8 is connected on the carriage apron through angle frame 9, both sides on the angle frame 9 have a connected node respectively with carriage apron 7, the one end that is close to drive roll 41 on the carriage apron 7 is provided with vice sword groove, be provided with vice scraper 10 in the vice sword groove, the interval of vice scraper 10 and drive roll 41 periphery is less than the interval of main scraper 8 and drive roll 41 periphery, the outside in vice sword groove is provided with the fixing bolt that can connect vice scraper 10, discharging conveyor 3's top is provided with three infrared heater 12. The electromagnetic heating roller sets 4 adopt a longitudinally staggered form to provide a reasonable working space for material pressing, so that the materials between the electromagnetic heating roller sets have enough pressing length; the driven roller on the horizontal sliding rail 5 can move and can be positioned by the positioning device 6, so that the pressing requirements of different thicknesses of materials can be met by utilizing the movable property of the driven roller; the shape of the angle 9 facilitates a high stability of the connection to the carriage and the shape of the carriage 7 provides a fulcrum for the secondary blade, especially towards the drive roll. Except the design of the auxiliary scraper below the driven roller 42 in the prior art, the device effectively improves the scraping effect of materials on the roller by specially designing the main scraper 8 and the auxiliary scraper 10, particularly, the auxiliary scraper 10 can fully make up the missing part of the main scraper 8 which cannot be completed, and the depth of the auxiliary scraper 10 in an auxiliary cutter groove can be flexibly adjusted. The device adopts the heating mode of the infrared heater 12, thereby not only saving energy, but also having more uniform drying degree on the materials on the discharging and conveying device 3; the adoption of a plurality of infrared heaters 12 can facilitate the speeding up of the discharging and conveying device and improve the output efficiency.

In order to improve scraping efficiency of main scraper 8 and vice scraper 10, the utility model discloses apart from the design is less than the interval of main scraper 8 and drive roll periphery with the interval of vice scraper 10 and drive roll periphery, still the design is greater than the radial interval of vice scraper 10 and drive roll with the radial interval of main scraper 8 and drive roll. In this way, the tangential clearance between the main scraper 8 and the material on the driving roller is small, the scraping force is small and uniform, the scraping effect is good, and the service life is long; after the main scraper 8 scrapes most of the bonding material, the workload of the auxiliary scraper 10 is obviously reduced, the tangential gap between the auxiliary scraper and the driving roller 41 is reduced, the scraping force can be increased, the efficiency is high, and the effective service life is long.

In order to improve the stability of driven voller 42, the utility model provides a positioner 6 includes axle sleeve 61 and the connecting plate 62 with the axle sleeve connection, is provided with through-hole 63 on the connecting plate, is provided with the connecting bolt who is connected with extrusion case 1 in the through-hole 63. The side of the extrusion box is provided with a plurality of box body through holes matched with the connecting bolts. After the spacing between the driving and driven rollers is selected, the driven roller can be fixed by fitting one end of the driven roller 42 inside the shaft sleeve 61 and fixedly connecting the connecting plate 62 to the crush box.

In order to improve the stability of carriage apron, the utility model discloses be provided with arc hole 13 in the side of extrusion case 1, be provided with the adjusting bolt who is connected with the carriage apron in the arc hole 13, the orbit of arc hole coincides with the rotation orbit of certain tie point of carriage apron, and this tie point is adjusting bolt's connected node.

In order to avoid the extrusion box leaking phenomenon, the utility model provides a slide carriage 7 meets with the side inner wall of extrusion box 1, except the connected node of angular frame 9 and slide carriage 7. In this way, substantially all of the material fed into the extrusion box 1 can be dropped into the extrusion box 1, thereby avoiding material leakage.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. An integrated machine for extruding and drying pharmaceutic adjuvant comprises an extrusion box, wherein the input end and the output end of the extrusion box are respectively provided with a feeding conveying device and a discharging conveying device, the interior of the extrusion box is provided with an electromagnetic heating roller set, the electromagnetic heating roller set comprises a driving roller and a driven roller, scrapers are arranged below the driving roller and the driven roller, the integrated machine is characterized in that the electromagnetic heating roller set is provided with at least three groups and is longitudinally and alternately distributed, the interior of the extrusion box is provided with a horizontal sliding rail for the driven roller to move, two ends of the driven roller are provided with positioning devices positioned outside the extrusion box, the driving roller is fixed on the horizontal sliding rail, an L-shaped slide carriage is rotatably arranged on the driving roller, a main scraper is arranged on the slide carriage, the main scraper is connected to the slide carriage through an angular frame, two sides of the angular frame and the slide carriage are respectively provided, an auxiliary knife groove is formed in one end, close to the driving roller, of the slide carriage, an auxiliary scraper is arranged in the auxiliary knife groove, the distance between the auxiliary scraper and the circumferential surface of the driving roller is smaller than the distance between the main scraper and the circumferential surface of the driving roller, a fixing bolt capable of being connected with the auxiliary scraper is arranged on the outer side of the auxiliary knife groove, and at least three infrared heaters are arranged above the discharging conveying device along the conveying direction of the discharging conveying device.

2. The pharmaceutic adjuvant extrusion drying integrated machine according to claim 1, wherein the radial distance between the main scraper and the driving roller is greater than the radial distance between the auxiliary scraper and the driving roller.

3. The pharmaceutic adjuvant extrusion drying integrated machine according to claim 2, wherein the positioning device comprises a shaft sleeve and a connecting plate connected with the shaft sleeve, a through hole is formed in the connecting plate, and a connecting bolt connected with the extrusion box is arranged in the through hole.

4. The pharmaceutic adjuvant extrusion drying integrated machine according to claim 3, wherein an arc-shaped hole is formed in the side face of the extrusion box, and an adjusting bolt connected with the slide carriage is arranged in the arc-shaped hole.

5. The pharmaceutic adjuvant extrusion drying all-in-one machine as claimed in claim 4, wherein the slide carriage is connected with the side inner wall of the extrusion box.