Twin-screw extrusion tablet press

Abstract

The utility model discloses a twin-screw extrusion tablet press, which belongs to the field of rubber production, solves the problem that the existing twin-screw extrusion tablet press cannot accurately control the total quantity of conveyed materials, and comprises an extrusion tablet press main body, a storage bin and a conveying pipe, two groups of conveying pipes for inputting rubber raw materials are mounted on the side surface of the material storage bin, and a conveying mechanism for controlling the total amount of conveyed materials is mounted at a discharge hole in the bottom end of the material storage bin. According to the double-screw extrusion tablet press, when the double-screw extrusion tablet press mixes and processes different materials, the proportion of the materials is more reasonable, the quality of a final finished product is ensured, the stability of the equipment during operation is provided, the dredging piece can stably dredge the discharge port of the storage bin, and the working quality of the equipment is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rubber production field, concretely relates to a double screw extrusion tablet press. BACKGROUND

[0002] The double screw extruder is developed on the basis of the single screw extruder, has been widely applied to the forming processing of extruded products due to the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance and extrusion stability, utilizes two groups of screws inside the equipment to gradually convey and process various materials, and the shapes of the extruded materials are different according to different molds, so the double screw extruder is a commonly used processing equipment in rubber production.

[0003] The existing double screw extrusion tablet press is composed of a transmission device, a feeding device, a barrel and a screw, wherein the existing barrel is mostly a conical shell with upper and lower openings and a closed periphery, the overall structure is simple, the total amount of the materials discharged at a time cannot be flexibly controlled, and thus when the double screw is used to process and convey various materials, the total amount and proportion of the materials of the groups are different, and the quality of the final extruded products is affected. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the problems in the background art, the utility model adopts the following technical scheme.

[0006] A double screw extrusion tablet press, comprising an extrusion tablet press body, a storage bin and a conveying pipe, the storage bin is installed on the surface of the extrusion tablet press body, two groups of conveying pipes for inputting rubber raw materials are installed on the side surface of the storage bin, a conveying mechanism for controlling the total amount of conveyed materials is installed at the bottom discharge port of the storage bin, the conveying mechanism comprises a connecting bin, rotating rollers, a spacer plate and a driving assembly, the connecting bin is fixedly installed at the bottom end of the storage bin, the driving assembly is symmetrically installed inside the connecting bin, the rotating rollers are installed outside the driving assembly, and the spacer plate is equidistantly and fixedly installed on the outer surface of the rotating rollers.

[0007] As a preferred technical scheme of the utility model, rotating grooves are formed in the connecting bin to cooperate with the rotation of the spacer plate, and flow-through grooves are formed in the upper and lower ends of the connecting bin to allow the flow of materials.

[0008] As a preferred technical scheme of the utility model, the driving assembly comprises an outer shell, a transmission rod, a connecting wheel and a belt, the outer shell is fixedly installed on the side of the connecting bin, the transmission rod is rotatably installed inside the outer shell, and the transmission rod penetrates through the outer shell and enters the inside of the connecting bin, the transmission rod is fixedly connected with the rotating roller, the connecting wheel is installed outside the transmission rod, and the belt is rotatably installed on the outer surface of the connecting wheel.

[0009] As a preferred technical scheme of the utility model, the driving assembly further comprises a driving motor, the driving motor is fixedly installed on the side of the outer shell, and the output end of the driving motor penetrates through the outer shell and is connected with the end of the transmission rod.

[0010] As a preferred technical scheme of the utility model, the double-screw extruding tablet press further comprises a dredging mechanism, the dredging mechanism comprises a mounting plate, an electric push rod and a dredging piece, the mounting plate is symmetrically installed inside the storage bin, the electric push rod is installed on the surface of the mounting plate, and the dredging piece is installed on the output end of the electric push rod.

[0011] As a preferred technical scheme of the utility model, the dredging mechanism further comprises a partition plate, the partition plate is fixedly installed inside the storage bin, and the partition plate is arranged between the two groups of mounting plates.

[0012] As a preferred technical scheme of the utility model, the dredging piece is composed of two groups of tapered plates, and the bottom ends of the two groups of tapered plates are attached.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] In the utility model, the conveying mechanism and the dredging mechanism are arranged, the total amount of the material output from the storage bin each time can be controlled, the proportion of the material itself is more reasonable when the double-screw extruding tablet press mixes and processes different materials, the quality of the final product is ensured, the stability of the equipment itself during operation is provided, and the dredging piece can stably dredge the discharge port of the storage bin, and the working quality of the equipment itself is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the perspective view of the whole structure of the utility model.

[0016] Figure 2 It is the perspective view of the inside structure of the storage bin of the utility model.

[0017] Figure 3 It is the perspective view of the conveying mechanism structure of the utility model.

[0018] Figure 4 It is the structure schematic view of the driving assembly in the utility model.

[0019] Figure 5It is a structural diagram of the dredging mechanism in the utility model.

[0020] The corresponding relationship between the illustration labels and component names in the figure is as follows:

[0021] 1. Extrusion tablet press body; 2. Storage bin; 3. Conveying pipe; 4. Conveying mechanism; 41. Connecting bin; 42. Rotating roller; 43. Partition plate; 44. Driving assembly; 441. Outer shell; 442. Transmission rod; 443. Connecting wheel; 444. Belt; 445. Driving motor; 5. Dredging mechanism; 51. Mounting plate; 52. Electric push rod; 53. Dredging piece; 54. Partition plate. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0025] Depend on Figure 1 As shown, it is a structural diagram of the twin-screw extruder in this embodiment, including an extruder body 1, a storage bin 2 and a conveying pipe 3. The surface of the extruder body 1 is equipped with a storage bin 2, and two sets of conveying pipes 3 for inputting rubber raw materials are installed on the side of the storage bin 2. The bottom outlet of the storage bin 2 is equipped with a conveying mechanism 4 for controlling the total amount of conveyed material.

[0026] During use, the raw materials to be processed are input into the storage bin 2 through the use of the conveying pipe 3. At this time, the total amount of materials discharged from the storage bin 2 is controlled through the operation of the conveying mechanism 4 itself, ensuring that the total amount of the two materials conveyed each time is consistent, allowing the two materials to be better mixed inside the extruder tablet press body 1 and the subsequent twin-screw components, realizing precise control of material output and ensuring the stability of the equipment during operation.

[0027] By the attached Figure 3As shown, it is the structural schematic diagram of the conveying mechanism 4 in the embodiment, which comprises a connecting bin 41, a rotating roller 42, a spacing plate 43 and a driving assembly 44. The connecting bin 41 is fixedly installed at the bottom end of the storage bin 2. The driving assembly 44 is symmetrically installed inside the connecting bin 41. The rotating roller 42 is installed outside the driving assembly 44. The spacing plate 43 is equidistantly and fixedly installed on the outer surface of the rotating roller 42.

[0028] In use, the material conveyed by the storage bin 2 will fall inside the connecting bin 41. The closed area formed by the spacing plate 43 and the inner wall of the connecting bin 41 receives and collects the material at the upper end. Then, through the cooperation of the rotating roller 42 and the driving assembly 44, the spacing plate 43 and the rotating roller 42 rotate inside the connecting bin 41 to convey the material received by the spacing plate 43 and the inner wall. The excess material is automatically discharged due to the extrusion of the inner wall of the connecting bin 41, thereby achieving the purpose of accurately controlling the total amount of single output of the material.

[0029] As shown in the accompanying drawings, Figure 3 As shown, the connecting bin 41 is internally provided with a rotating groove matched with the rotation of the spacing plate 43. The upper and lower ends of the connecting bin 41 are provided with flow-through grooves for the flow of the material. In use, the spacing plate 43 moves along the inner wall of the rotating groove. The space between the spacing plate 43 and the inner wall is the total amount of single conveying of the material. The flow-through grooves are provided to facilitate the conveying of the material into the main body 1 of the extrusion tablet machine.

[0030] As shown in the accompanying drawings, Figure 4 As shown, it is the structural schematic diagram of the driving assembly 44 in the embodiment, which comprises an outer housing 441, a transmission rod 442, a connecting wheel 443 and a belt 444. The outer housing 441 is fixedly installed on the side surface of the connecting bin 41. The transmission rod 442 is rotatably installed inside the outer housing 441 and penetrates into the connecting bin 41 from the outer housing 441. The transmission rod 442 is fixedly connected with the rotating roller 42. The connecting wheel 443 is installed outside the transmission rod 442. The belt 444 is rotatably installed on the outer surface of the connecting wheel 443.

[0031] In use, the rotation of the single set of transmission rods 442 drives the connecting wheels 443 and the rotating rollers 42 outside the transmission rods 442 to synchronously rotate, thereby providing power for the driving of the subsequent rotating rollers 42 and spacing plates 43. The setting of the belt 444 enables the single set of connecting wheels 443 to drive the other set of connecting wheels 443 to synchronously rotate during the rotation of the single set of connecting wheels 443, thereby assisting the stable operation of the equipment.

[0032] As shown in the accompanying drawings, Figure 4As shown in the figure, it is a structural schematic view of the driving assembly 44 in the embodiment, the driving assembly 44 further comprises a driving motor 445, the driving motor 445 is fixedly installed on the side of the outer shell 441, the output end of the driving motor 445 is connected with the end of the transmission rod 442 through the outer shell 441, in use, the output end of the driving motor 445 is connected with the end of one set of transmission rods 442, which provides power for the operation of the whole part of the driving assembly 44.

[0033] By the attached Figure 5 As shown in the figure, it is a structural schematic view of the dredging mechanism 5 in the embodiment, the double-screw extruding tablet machine further comprises the dredging mechanism 5, the dredging mechanism 5 comprises a mounting plate 51, an electric push rod 52 and a dredging piece 53, the mounting plate 51 is symmetrically installed inside the storage bin 2, the electric push rod 52 is installed on the surface of the mounting plate 51, and the dredging piece 53 is installed on the output end of the electric push rod 52.

[0034] In use, the output end of the electric push rod 52 drives the dredging piece 53 to move vertically up and down through the start of the electric push rod 52 itself, the dredging piece 53 moves inside the storage bin 2 filled with materials, prevents the blockage of the discharge port at the bottom end of the storage bin 2, and achieves the purpose of dredging materials.

[0035] By the attached Figure 5 As shown in the figure, it is a structural schematic view of the dredging mechanism 5 in the embodiment, the dredging mechanism 5 further comprises a partition plate 54, the partition plate 54 is fixedly installed inside the storage bin 2, and the partition plate 54 is arranged between the two sets of mounting plates 51, in use, the partition plate 54 divides the space inside the storage bin 2, so that the two sets of materials are stably conveyed without interfering with each other, and the partition plate 54 provides a support point for the installation of the mounting plate 51, and assists the stable operation of the dredging mechanism 5.

[0036] By the attached Figure 5 As shown in the figure, the dredging piece 53 is composed of two sets of conical plates, and the bottom ends of the two sets of conical plates are attached, in use, the dredging piece 53 can stably slide up and down inside the materials, and dredges the discharge port at the bottom end of the storage bin 2 blocked by too much accumulation.

[0037] The above is a further detailed description of the utility model in combination with the specific embodiments, which cannot be regarded as the specific embodiments of the utility model being limited to these descriptions, for ordinary skilled persons in the technical field to which the utility model belongs, on the premise of not departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which should be regarded as belonging to the protection range determined by the claims of the utility model.

Claims

1. A twin-screw extruder tablet press, comprising an extruder tablet press body (1), a storage bin (2) and a delivery pipe (3), wherein the storage bin (2) is mounted on the surface of the extruder tablet press body (1), and two sets of delivery pipes (3) for inputting rubber raw materials are mounted on the side of the storage bin (2), characterized in that: A conveying mechanism (4) for controlling the total amount of conveyed material is installed at the discharge port at the bottom end of the storage bin (2). The conveying mechanism (4) comprises a connecting bin (41), a rotating roller (42), a partition plate (43) and a driving assembly (44). The connecting bin (41) is fixedly installed at the bottom end of the storage bin (2), the driving assembly (44) is symmetrically installed inside the connecting bin (41), the rotating roller (42) is installed outside the driving assembly (44), and the partition plate (43) is fixedly installed at equal intervals on the outer surface of the rotating roller (42).

2. The twin-screw extruder tablet press according to claim 1, wherein: A rotation groove for cooperating with the partition plate (43) is provided inside the connecting bin (41), and circulation grooves for material circulation are provided at the upper and lower ends of the connecting bin (41).

3. The twin-screw extruder tablet press according to claim 2, wherein: The driving assembly (44) comprises an outer shell (441), a transmission rod (442), a connecting wheel (443) and a belt (444); the outer shell (441) is fixedly mounted on the side of the connecting bin (41); the transmission rod (442) is rotatably mounted inside the outer shell (441); the transmission rod (442) penetrates the outer shell (441) and enters the inside of the connecting bin (41); the transmission rod (442) is fixedly connected to the rotating roller (42); the connecting wheel (443) is mounted outside the transmission rod (442); and the belt (444) is rollingly mounted on the outer surface of the connecting wheel (443).

4. The twin-screw extruder tablet press according to claim 3, wherein: The driving assembly (44) further comprises a driving motor (445), wherein the driving motor (445) is fixedly mounted on the side of the outer shell (441), and an output end of the driving motor (445) passes through the outer shell (441) and is connected to the end of the transmission rod (442).

5. The twin-screw extruder tablet press according to claim 1, wherein: The twin-screw extruder tablet press further comprises a dredging mechanism (5), the dredging mechanism (5) comprising a mounting plate (51), an electric push rod (52) and a dredging piece (53), the mounting plate (51) being symmetrically mounted inside the storage bin (2), the electric push rod (52) being mounted on the surface of the mounting plate (51), and the dredging piece (53) being mounted at the output end of the electric push rod (52).

6. The twin-screw extruder tablet press according to claim 5, wherein: The dredging mechanism (5) further comprises a partition plate (54), wherein the partition plate (54) is fixedly mounted inside the storage bin (2), and the partition plate (54) is arranged between the two groups of mounting plates (51).

7. The twin-screw extruder tablet press according to claim 6, wherein: The dredging member (53) is composed of two groups of conical plates, and the bottom ends of the two groups of conical plates are in contact with each other.

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