Double-screw extruder convenient to clean

Abstract

The double-screw extruder convenient to clean comprises a bottom plate, a supporting seat is fixedly connected to the left side of the top of the bottom plate, a shell is fixedly connected to the top of the supporting seat, and the left side and the right side of the shell are each of an open structure. Through mutual cooperation of the bottom plate, the supporting seat, the shell, the baffle, the clamping groove, the telescopic rod, the positioning mechanism, a fixing frame, a sliding column, a lifting plate, a clamping rod, a sleeve spring, an extrusion mold, a motor, a screw rod, a spiral conveying blade and a feeding pipe, the effect of conveniently cleaning the spiral conveying blade is achieved, and the spiral conveying blade can be conveniently moved out of the shell during cleaning; and therefore, workers can conveniently clean and maintain the spiral conveying blade, and the practicability of the device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of extruders, in particular to a twin-screw extruder which is convenient to clean. Background Technique

[0002] In plastic extrusion molding equipment, the plastic extruder is usually called the main machine, and the subsequent plastic extrusion molding machine supporting it is called the auxiliary machine. After more than 100 years of development, the plastic extruder has evolved from the original single-screw to various models such as twin-screw, multi-screw, and even screwless.

[0003] At present, for the patent with the application number CN202023219670.2, the utility model discloses a micro twin-screw extruder, which relates to the technical field of twin-screw extruders. In order to solve the problems that the existing twin-screw extruder has a complex structure and is not convenient for feeding during use. One side above the micro twin-screw extruder is provided with a feeding seat, a feeding hopper is installed above the feeding seat, a heat preservation shell is installed outside the micro twin-screw extruder, a heat dissipation seat is installed inside the upper side of one side of the micro twin-screw extruder, an inclined feeding pipe is installed inside the lower side of one side of the micro twin-screw extruder, and a regulating valve is installed at the front end above the inclined feeding pipe.

[0004] However, in actual use, the above patent has the following defects: it is not convenient to clean the spiral conveying blades, which causes great trouble to the staff. Therefore, we propose a twin-screw extruder that is convenient to clean. Content of the Utility Model

[0005] The purpose of the utility model is to provide a twin-screw extruder that is convenient to clean, so as to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A twin-screw extruder that is convenient to clean, including:

[0007] Base plate;

[0008] Support seat, the left side of the top of the base plate is fixedly connected with a support seat;

[0009] Shell, the top of the support seat is fixedly connected with a shell, and both the left and right sides of the shell are open structures;

[0010] Baffle, the right side of the shell is movably connected with a baffle, and a clamping groove is opened at the bottom of the baffle;

[0011] Expansion rod, the bottom right side of the shell is fixedly connected with an expansion rod, and the telescopic end of the expansion rod is fixedly connected with the baffle;

[0012] Positioning mechanism, the top of the base plate is provided with a positioning mechanism.

[0013] Further, an extrusion die is fixedly installed on the left side of the housing, and two motors are fixedly connected to the right side of the baffle.

[0014] Further, a screw rod is fixedly connected to the output shaft of the motor, and the left end of the screw rod penetrates through the baffle and extends to the outside of the baffle.

[0015] Further, a spiral conveyor blade is fixedly connected to the surface of the screw rod, and a feeding pipe is fixedly communicated with the top right side of the housing.

[0016] Further, the positioning mechanism includes a fixing frame, a sliding column, a lifting plate, a clamping rod and a sleeve spring, and the bottom of the fixing frame is fixedly connected to the top of the bottom plate.

[0017] Further, the fixing frame is fixedly connected by two sliding columns between the top and the bottom, the top between the two sliding columns is slidably connected by a lifting plate, the surface of the lifting plate is movably connected with the inner wall of the fixing frame, and both the left and right sides of the lifting plate penetrate through the fixing frame and extend to the outside of the fixing frame.

[0018] Further, a clamping rod is fixedly connected to the top right side of the lifting plate, the top of the clamping rod penetrates through the clamping groove and extends to the inside of the clamping groove, and a sleeve spring is sleeved below the surface of the sliding column.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0020] Through the mutual cooperation of the bottom plate, the support seat, the housing, the baffle, the clamping groove, the telescopic rod, the positioning mechanism, the fixing frame, the sliding column, the lifting plate, the clamping rod, the sleeve spring, the extrusion die, the motor, the screw rod, the spiral conveyor blade and the feeding pipe, the present utility model achieves the effect of facilitating the cleaning of the spiral conveyor blade. During cleaning, the spiral conveyor blade can be conveniently moved out of the housing, so as to facilitate the staff to clean and maintain the spiral conveyor blade, greatly improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is the front view structural schematic diagram of the present utility model;

[0022] Figure 2 is the side view structural schematic diagram of the present utility model;

[0023] Figure 3 is the front view structural sectional view of the present utility model;

[0024] Figure 4 is the structural schematic diagram of the positioning mechanism of the present utility model.

[0025] In the figure: 1, bottom plate; 2, support base; 3, outer shell; 4, baffle; 5, card slot; 6, telescopic rod; 7, positioning mechanism; 701, fixing frame; 702, sliding column; 703, lifting plate; 704, clamping rod; 705, sleeve spring; 8, extrusion die; 9, motor; 10, screw; 11, spiral conveyor blade; 12, feeding pipe. Specific implementation mode

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more.

[0028] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0029] Please refer to Figures 1-4, A twin-screw extruder convenient for cleaning, including a bottom plate 1. A support base 2 is fixedly connected to the left side of the top of the bottom plate 1. A housing 3 is fixedly connected to the top of the support base 2. Both the left and right sides of the housing 3 are open structures. A baffle 4 is movably connected to the right side of the housing 3. A card slot 5 is opened at the bottom of the baffle 4. A telescopic rod 6 is fixedly connected to the right side of the bottom of the housing 3. The telescopic end of the telescopic rod 6 is fixedly connected to the baffle 4. A positioning mechanism 7 is arranged on the top of the bottom plate 1.

[0030] Specifically, an extrusion die 8 is fixedly installed on the left side of the housing 3. Two motors 9 are fixedly connected to the right side of the baffle 4.

[0031] During specific implementation, a screw rod 10 is fixedly connected to the output shaft of the motor 9. The left end of the screw rod 10 penetrates through the baffle 4 and extends to the outside of the baffle 4.

[0032] Specifically, a spiral conveying blade 11 is fixedly connected to the surface of the screw rod 10. A feeding pipe 12 is fixedly communicated with the top right side of the housing 3.

[0033] During specific implementation, the positioning mechanism 7 includes a fixing frame 701, a sliding column 702, a lifting plate 703, a clamping rod 704, and a sleeve spring 705. The bottom of the fixing frame 701 is fixedly connected to the top of the bottom plate 1.

[0034] Specifically, the fixing frame 701 is fixedly connected between the top and the bottom through two sliding columns 702. The top between the two sliding columns 702 is slidably connected through a lifting plate 703. The surface of the lifting plate 703 is movably connected to the inner wall of the fixing frame 701. Both the left and right sides of the lifting plate 703 penetrate through the fixing frame 701 and extend to the outside of the fixing frame 701.

[0035] During specific implementation, a clamping rod 704 is fixedly connected to the top right side of the lifting plate 703. The top of the clamping rod 704 penetrates through the card slot 5 and extends into the inside of the card slot 5. A sleeve spring 705 is sleeved below the surface of the sliding column 702.

[0036] During actual application: When it is necessary to clean the spiral conveying blade 11, only need to pull down the lifting plate 703, which can drive the clamping rod 704 to move downward, and at the same time compress the sleeve spring 705, so that the clamping rod 704 disengages from the card slot 5. Then pull the baffle 4 to the right, which can drive the motor 9, the screw rod 10, and the spiral conveying blade 11 to move to the right, so that the spiral conveying blade 11 can be moved out of the housing 3. Then the staff can clean the spiral conveying blade 11. Through the above steps, the spiral conveying blade 11 can be conveniently cleaned.

[0037] All components in the present utility model are common standard parts or parts known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or by conventional experimental methods. At the same time, the standard parts used in this application document can be purchased from the market. Each component in this application document can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art.

[0038] Through those skilled in the art, all the electrical components in this case are connected to their adapted power supplies through wires. And according to the actual situation, a suitable controller and encoder should be selected to meet the control requirements. The specific connection and control sequence should refer to the working principle and complete the electrical connection according to the sequence of operation of each electrical component. The detailed connection means are well-known technologies in this field. The present utility model mainly introduces the working principle and process and will not elaborate on the electrical control.

[0039] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A twin-screw extruder that is easy to clean, characterized in that: include: Bottom plate (1); A support seat (2), the top left side of the base plate (1) is fixedly connected with the support seat (2); A shell (3), the top of the support seat (2) is fixedly connected to the shell (3); A baffle (4), the right side of the housing (3) is movably connected with the baffle (4), and a slot (5) is provided at the bottom of the baffle (4); A telescopic rod (6), the right side of the bottom of the housing (3) is fixedly connected with the telescopic rod (6), and the telescopic end of the telescopic rod (6) is fixedly connected to the baffle (4); A positioning mechanism (7), a positioning mechanism (7) is arranged on the top of the base plate (1).

2. The twin-screw extruder that is easy to clean according to claim 1, characterized in that: An extrusion die (8) is fixedly mounted on the left side of the housing (3), and two motors (9) are fixedly connected to the right side of the baffle (4).

3. The twin-screw extruder that is easy to clean according to claim 2, characterized in that: A screw rod (10) is fixedly connected to the output shaft of the motor (9), and the left end of the screw rod (10) penetrates the baffle plate (4) and extends to the outside of the baffle plate (4).

4. The easy-to-clean twin-screw extruder according to claim 3, characterized in that: A spiral conveying blade (11) is fixedly connected to the surface of the screw rod (10), and a feeding pipe (12) is fixedly connected to the right side of the top of the housing (3).

5. The easy-to-clean twin-screw extruder according to claim 4, characterized in that: The positioning mechanism (7) comprises a fixing frame (701), a sliding column (702), a lifting plate (703), a clamping rod (704) and a sleeve spring (705); the bottom of the fixing frame (701) is fixedly connected to the top of the bottom plate (1).

6. The easy-to-clean twin-screw extruder according to claim 5, characterized in that: The top and bottom of the fixing frame (701) are fixedly connected via two sliding columns (702), the top between the two sliding columns (702) is slidably connected via a lifting plate (703), the surface of the lifting plate (703) is movably connected to the inner wall of the fixing frame (701), and the left and right sides of the lifting plate (703) both penetrate the fixing frame (701) and extend to the outside of the fixing frame (701).

7. The easy-to-clean twin-screw extruder according to claim 6, characterized in that: A clamping rod (704) is fixedly connected to the right side of the top of the lifting plate (703), the top of the clamping rod (704) passes through the clamping slot (5) and extends to the inside of the clamping slot (5), and a sleeve spring (705) is sleeved below the surface of the sliding column (702).

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