CN213611248U

CN213611248U - Extruding machine

Info

Publication number: CN213611248U
Application number: CN202022502617.7U
Authority: CN
Inventors: 刘孟亚; 李建军; 王洪峰; 张程祥; 郝丽琴; 胡晓蒙
Original assignee: Henan Zhenghong Pharmaceutical Accessories Co ltd
Current assignee: Henan Zhenghong Pharmaceutical Accessories Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-06
Anticipated expiration: 2030-11-03

Abstract

The utility model relates to the technical field of pharmaceutic adjuvant processing, in particular to an extruder, which comprises a left roller and a right roller which are arranged on a bracket relatively, wherein the left roller comprises a main shaft and a cylindrical roller body arranged around the main shaft, the bracket is provided with a supporting device, one side of the roller body is also provided with a scraper blade for cleaning attachments on the surface of the roller body, and the scraper blade is fixedly arranged on the bracket through a connecting sheet; the right roller and the left roller are identical in structure, the end portion of the main shaft of the right roller and/or the left roller is connected with a power device, and the main shaft of the right roller and the main shaft of the left roller are connected through a transmission device, so that the right roller and the left roller are opposite in rotation direction. The utility model adopts the mode that the double rollers of the extruder are provided with the adjusting devices, so that the distance between the double rollers and the adjustable range of the angle are larger; meanwhile, the scraper is arranged on one side of the roller body, so that materials adhered to the roller body can be removed in time, and the working efficiency of the pair rollers is favorably exerted.

Description

Extruding machine

Technical Field

The utility model belongs to the technical field of pharmaceutic adjuvant handles technique and specifically relates to an extruder is related to.

Background

The double-roller extrusion granulator is key equipment for compound granulation, has advanced technology, reasonable design, compact structure, novelty, practicability and low energy consumption, is matched with corresponding equipment to form a small production line, and can form continuous and mechanized production with certain production energy. The method is mainly used for capsule filling particles, pigments, detergents, catalysts, strontium carbonate, chemical fertilizers, white carbon black, inorganic salts, chloroisocyanuric acids, bleaching powder, pesticides, oxides and the like, and industrially recycled dust materials, such as iron foundry dust, lead, zinc, aluminum dust, converter dust, dust filtration, grinding and other dust materials, are forcibly compressed and molded by mechanical pressure, no wetting agent is added, and the purity of products is ensured. The process flow is short, the energy consumption is low, the dry powder with large yield is directly granulated, the subsequent drying process is not needed, and the method is more beneficial to the connection and the transformation of the existing production flow. The granule has high strength, and the increase of the bulk specific gravity is more obvious than that of other granulation modes. Is particularly suitable for the occasion of increasing the bulk specific gravity of the product. The operation elasticity is big, and application scope is wide, and the size of extrusion force can be adjusted through hydraulic pressure. In the production process, the yield is increased or the bite angle is increased, at the moment, the distance between the two pressing shafts is increased, and the distance between the driving shaft roller and the driven shaft is increased, and the method comprises the following steps: stopping the machine, removing the gland covers at the two ends of the driven shaft, rotating the two eccentric sleeves in the driven shaft in the same direction, and keeping the rollers within 0.3-1mm at one position at one time without collision between the two rollers. This working mode is complicated and inconvenient to operate.

Publication number CN106985323A discloses an extrusion thickness adjustable coating powder extruder, including feed delivery cylinder, motor, helical blade, dry conveyer belt, extrusion chamber, squeeze roll, hob, the feed delivery cylinder upper end is equipped with first feed inlet, helical blade sets up inside the feed delivery cylinder, the motor is in feed delivery cylinder one side with the helical blade transmission is connected, the feed delivery cylinder lower extreme is equipped with first discharge gate, dry conveyer belt sets up the feed delivery cylinder below, the extrusion chamber sets up dry conveyer belt below, the squeeze roll sets up inside the extrusion chamber, hob one end is connected the extrusion chamber other end is connected the squeeze roll, the extrusion chamber upper end is equipped with the second feed inlet, the extrusion chamber lower extreme is equipped with the second discharge gate. This kind of extrusion thickness adjustable coating powder extruder simple structure can realize the regulation to the extrusion article thickness through adjusting the distance between two squeeze rolls, convenient to use.

However, the extrusion roller adjusting mode can only adjust one direction, has small adjusting range of angles and distances, and cannot be applied to continuously changing product ranges.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an extruder, which utilizes the mode that the twin rollers of the extruder are provided with the adjusting devices, so that the distance between the twin rollers and the adjustable range of the angle are larger; meanwhile, the scraper is arranged on one side of the roller body, so that materials adhered to the roller body can be removed in time, and the working efficiency of the pair rollers is favorably exerted.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an extruder comprises a left roller and a right roller which are oppositely arranged on a support, wherein the left roller comprises a main shaft and a cylindrical roller body arranged around the main shaft, the support is provided with a supporting device, the supporting device comprises a supporting seat, a slideway and a lead screw nut adjusting device, two ends of the main shaft are connected with the supporting seat through bearings, the supporting seat moves in the slideway arranged on the support, the lead screw nut adjusting device used for driving and limiting the supporting seat to move is arranged between the supporting seat and the support, one side of the roller body is also provided with a scraper used for cleaning attachments on the surface of the roller body, and the scraper is fixedly arranged on the support through a connecting sheet; the right roller and the left roller are identical in structure, the end portion of the main shaft of the right roller and/or the left roller is connected with a power device, and the main shaft of the right roller and the main shaft of the left roller are connected through a transmission device, so that the right roller and the left roller are opposite in rotation direction.

As a further improvement of the utility model, the transmission device is a gear transmission device.

As a further improvement of the present invention, the power device includes a speed reducer and/or a motor, the speed reducer and/or an output shaft of the motor is connected to the main shaft through a coupling.

As a further improvement of the present invention, the scraper is a rectangular plate, and the tip of the scraper faces the opposite direction of the running direction of the roller body.

As a further improvement of the utility model, the connection piece pass through the bolt device with the leg joint, the bolt device including set up in the support have the internal screw thread the through-hole and the bolt of connection piece.

As a further improvement of the utility model, the through hole is a long hole.

As a further improvement of the utility model, the left roller and the right roller are provided with an inclined guide groove below.

As a further improvement, the lowest end position of the guide groove is provided with a storage box.

As a further improvement of the utility model, the screw nut adjusting device comprises a screw and a handle arranged at the end part of the screw.

As a further improvement, the utility model is located the left side roller with the feed inlet both sides on upper portion are provided with respectively and keep off the material piece between the right side roller.

The utility model has the advantages that:

the utility model discloses utilize the extruder pair roller all to set up the mode of adjusting device, make the distance between the pair roller and the angularly adjustable range bigger, through the irreversible characteristic of screw nut adjusting device transmission direction, make the interval after the lead screw is adjusted can better keep, be favorable to realizing more stable operating mass; meanwhile, the scraper is arranged on one side of the roller body, so that materials adhered to the roller body can be removed in time, and the working efficiency of the pair rollers is favorably exerted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the structure of the present invention in a front view.

Fig. 2 is a schematic top view of the embodiment of the present invention.

In the figure: 1 is the support, 2 is the handle, 3 is the lead screw, 4 is left roller, 5 is the scraper blade, 6 is the slide, 7 is the supporting seat, 8 is the connection piece, 9 is the fender material piece, 10 is right roller, 11 is the guide way, 12 is the storage case.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, an extruder comprises a left roller 4 and a right roller 10 which are oppositely arranged on a support 1, and the crushing and the granulation of materials are realized by extruding the materials between the left roller 4 and the right roller 10; the left roller 4 comprises a main shaft and a cylindrical roller body arranged around the main shaft, the support 1 is provided with a supporting device, the supporting device comprises a supporting seat 7, a slideway 6 and a screw rod 3 nut adjusting device, two ends of the main shaft are connected with the supporting seat 7 through bearings, the supporting seat 7 moves in the slideway 6 arranged on the support 1, the screw rod 3 nut adjusting device used for driving and limiting the supporting seat 7 to move is arranged between the supporting seat 7 and the support 1, one side of the roller body is also provided with a scraper 5 used for cleaning attachments on the surface of the roller body, and the scraper 5 is fixedly arranged on the support 1 through a connecting sheet 8; the right roller 10 and the left roller 4 are identical in structure, the end of the main shaft of the right roller 10 and/or the left roller 4 is connected with a power device, and the main shaft of the right roller 10 and the main shaft of the left roller 4 are connected through a transmission device, so that the right roller 10 and the left roller 4 are opposite in rotation direction.

The device has the advantages that the distance between the pair rollers and the angle adjustable range are larger by arranging the adjusting devices on the pair rollers of the extruder, and the distance between the screw rods 3 after being adjusted can be better maintained by the irreversible characteristic of the screw rod 3 nut adjusting device in the transmission direction, so that more stable working quality is realized; meanwhile, the scraper 5 is arranged on one side of the roller body, so that materials adhered to the roller body can be removed in time, and the working efficiency of the pair rollers is favorably exerted.

In a specific embodiment, further, the transmission device is preferably a gear transmission device, and may also be a chain transmission device or a belt transmission device, when a chain transmission device or a belt transmission device is adopted, an intermediate reversing wheel is required to be arranged between the chain wheels or belt wheels of the left roller 4 and the right roller 10, so that the left roller 4 and the right roller 10 rotate towards each other.

In a specific embodiment, further, the power device comprises a speed reducer and/or an electric motor, and an output shaft of the speed reducer and/or the electric motor is connected with the main shaft through a coupling.

In a specific embodiment, further, the scraper 5 is a rectangular plate, and the tip of the scraper 5 faces the direction opposite to the running direction of the roller body; furthermore, the connecting piece 8 is connected with the bracket 1 through a bolt device, and the bolt device comprises a blind hole with internal threads, which is arranged on the bracket 1, a through hole of the connecting piece 8 and a bolt.

In a specific embodiment, further, the through hole is a long hole, and the long hole is mainly used for adjusting the relative distance between the scraper 5 and the roller body according to needs, so that materials adhered to the surface of the roller body can be better cleaned.

In a specific embodiment, further, an inclined guide groove 11 is arranged below the left roller 4 and the right roller 10; furthermore, a storage box 12 is disposed at the lowest end of the guide groove 11. The guide groove 11 and the storage box 12 are used for better collecting materials processed by the left roller 4 and the right roller 10.

In a specific embodiment, further, the screw 3 nut adjusting device comprises a screw 3 and a handle 2 disposed at an end of the screw 3, and the screw 3 nut mechanism is a prior art, also called a screw transmission mechanism, and is mainly used for converting a rotational motion into a linear motion or converting a linear motion into a rotational motion. In the device, the specific position of the left roller 4 and/or the right roller 10 is adjusted by mainly manually operating the handle 2 and driving the screw rod 3, so that the distance between the left roller 4 and the right roller 10 is changed.

In a specific embodiment, further, material blocking blocks 9 are respectively arranged on two sides of the feeding hole at the upper part between the left roller 4 and the right roller 10. The shape of the material blocking block 9 enables the side surfaces of the left roller 4 and the right roller 10 to be in clearance with the bracket 1, so that materials cannot pass through the side surfaces of the left roller 4 and the right roller 10, and high efficiency and stability of granulation work are achieved.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. An extruder, characterized by: comprises a left roller (4) and a right roller (10) which are oppositely arranged on a bracket (1), the left roller (4) comprises a main shaft and a cylindrical roller body arranged around the main shaft, the bracket (1) is provided with a supporting device, the supporting device comprises a supporting seat (7), a slideway (6) and a screw rod (3) and a nut adjusting device, the two ends of the main shaft are connected with the supporting seat (7) through bearings, the supporting seat (7) moves in a slide way (6) arranged on the bracket (1), a screw rod (3) and nut adjusting device for driving and limiting the support seat (7) to move is arranged between the support seat (7) and the bracket (1), a scraper (5) for cleaning attachments on the surface of the roller body is also arranged on one side of the roller body, the scraper (5) is fixedly arranged on the bracket (1) through a connecting sheet (8); the right roller (10) and the left roller (4) are identical in structure, the end portion of the main shaft of the right roller (10) and/or the left roller (4) is connected with a power device, and the main shaft of the right roller (10) and the main shaft of the left roller (4) are connected through a transmission device, so that the rotating directions of the right roller (10) and the left roller (4) are opposite.

2. An extruder as claimed in claim 1, wherein: the transmission device is a gear transmission device.

3. An extruder as claimed in claim 1, wherein: the power device comprises a speed reducer and/or a motor, and an output shaft of the speed reducer and/or the motor is connected with the main shaft through a coupling.

4. An extruder as claimed in claim 1, wherein: the scraper (5) is a rectangular plate, and the tip end of the scraper (5) faces the opposite direction of the running direction of the roller body.

5. An extruder as claimed in claim 1, wherein: the connecting piece (8) is connected with the support (1) through a bolt device, and the bolt device comprises a blind hole with an internal thread, which is arranged on the support (1), a through hole of the connecting piece (8) and a bolt.

6. An extruder according to claim 5, wherein: the through hole is a long hole.

7. An extruder as claimed in claim 1, wherein: an inclined guide groove (11) is further formed below the left roller (4) and the right roller (10).

8. An extruder as claimed in claim 7, wherein: the lowest end position of the guide groove (11) is provided with a storage box (12).

9. An extruder as claimed in claim 1, wherein: the screw rod (3) and nut adjusting device comprises a screw rod (3) and a handle (2) arranged at the end part of the screw rod (3).

10. An extruder as claimed in claim 1, wherein: and material blocking blocks (9) are respectively arranged on two sides of the feeding hole on the upper part between the left roller (4) and the right roller (10).