Single-screw extruder with separable screw

Abstract

The utility model relates to a single-screw extruder with a separable screw, which belongs to the technical field of single-screw extruders and comprises an extruder frame, a driving motor, a gear box, an air cooler, an adjusting frame, a bearing support, a screw, an upper feeding half barrel and a lower feeding half barrel. The driving motor, the gear box, the air cooler and the bearing support are all fixedly connected with the extruder rack, the multiple adjusting frames are installed at the top of the bearing support, the input end of the gear box is connected with the driving motor, the output end of the gear box is connected with the screw rod through a bolt, and the inner wall of each adjusting frame is rotationally connected with a bidirectional lead screw; and each bidirectional lead screw is fixedly provided with a synchronous wheel. According to the single-screw extruder, the feeding barrel and the screw can be separated conveniently, the situation that the single-screw extruder is lengthened to enlarge the occupied area is avoided, the internal screw of the single-screw extruder can be overhauled, cleaned, disassembled, assembled and replaced conveniently, and the maintenance work of the single-screw extruder is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to single screw extruder technical field especially is a kind of screw separable single screw extruder. BACKGROUND

[0002] Single screw extruder is constituted by one screw in the heated cylinder rotation. Because its simple structure, easy to manufacture, high processing efficiency, cheap and is widely used, is the most mature technology, the most used extruder type.

[0003] Through the search, the existing disclosure number CN202323147546.3 of Chinese patent discloses a kind of screw separable single screw extruder, by the cooperation of extrusion device and feeding device, the feeding hopper of feeding device is set on the opening of installation cover, material can be put into feeding hopper, by the first motor driving first rotating rod, material can enter cylinder under the rotation of first blade, extrusion device is rotated by the second motor driving second rotating rod, material is extruded by second blade in conveying cavity, sliding mechanism is rotated by the third motor driving screw rod, so that slider can move in sliding slot, so as to drive cylinder and second rotating rod on slider to separate, so that cylinder can be disassembled, it is convenient to clean second rotating rod.

[0004] The above technical scheme has the following defects, such separation type single screw extruder is convenient for adjusting frame and screw to separate, so as to facilitate the cleaning and maintenance of the screw of extruder, but in actual use, the structure of such single screw extruder needs to lengthen rack to facilitate the laying of unloading track, which can expand the floor area of single screw extruder, therefore, a kind of screw separable single screw extruder is proposed, which can separate feeding cylinder and screw, and will not lengthen single screw extruder to expand floor area, so that the single screw extruder is convenient for internal screw to overhaul, clean and disassemble and replace, so that the maintenance work of single screw extruder is more convenient.

[0005] Therefore, the present application improves and solves the above problems, and finally proposes a technical solution with reasonable design and effective improvement of the above defects.

[0006] The information disclosed in the background section of this document is intended only to enhance the understanding of the general background of the present application, and should not be considered as acknowledging or implying in any form that this information constitutes prior art known to those skilled in the art. UTILITY MODEL CONTENT

[0007] The utility model provides a kind of screw separable single screw extruder, solve the problem raised in the above background, it is convenient to separate feeding cylinder and screw, so that the maintenance work of single screw extruder is more convenient.

[0008] The utility model discloses a scheme that solves the above technical problem as follows: a screw separable single screw extruder, including extruder frame, drive motor, gear box, air cooler, adjusting frame, bearing support, screw, upper feeding half cylinder, lower feeding half cylinder, drive motor, gear box, air cooler and bearing support all are fixedly connected with extruder frame, adjusting frame is provided with a plurality of, a plurality of adjusting frame is installed at the top of bearing support, the input of gear box is connected with drive motor, the output of gear box is connected with screw through bolt, the inner wall of adjusting frame is rotatably connected with two -way screw rod, every two -way screw rod is fixedly installed with synchronous wheel, the outer wall of synchronous wheel is equipped with synchronous belt, the synchronous wheel can be driven connection through synchronous belt, the outer wall of two -way screw rod is threadedly connected with screw nut, screw nut is connected with upper feeding half cylinder or lower feeding half cylinder, upper feeding half cylinder and lower feeding half cylinder are provided with temperature control cavity, temperature control cavity is fixedly installed with electric heater, air cooler is fixedly connected with vent pipe, vent pipe is fixedly connected with temperature control cavity, temperature control cavity is provided with heat dissipation hole, the inner wall of heat dissipation hole is fixedly installed with dust screen, the inner wall of adjusting frame is fixedly installed with clutch step motor, the output of clutch step motor is fixedly connected with two -way screw rod, the splicing of upper feeding half cylinder and lower feeding half cylinder is provided with hasp, upper feeding half cylinder is fixedly connected with feeding hopper, the top of feeding hopper is provided with feeding port.

[0009] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0010] Further, the screw nut of each two -way screw rod is provided with two, one screw nut is connected with upper feeding half cylinder, and the other screw nut is connected with lower feeding half cylinder, and the two screw nuts can drive upper feeding half cylinder and lower feeding half cylinder to separate respectively.

[0011] Further, the upper feeding half cylinder and the lower feeding half cylinder are provided with feeding grooves corresponding to the screw, and the splicing of the upper feeding half cylinder and the lower feeding half cylinder can form a feeding channel matched with the screw.

[0012] Further, the vent pipe is provided with a plurality of vent holes corresponding to the vent pipe, and the vent holes are fixedly connected with the vent pipe, so that the cooling air can be introduced into the temperature control cavity to cool the feeding channel and the material inside.

[0013] Further, the feeding hopper is fixedly provided with a stirring motor, the stirring motor is fixedly connected with a driving rod, the driving rod is fixedly connected with stirring blades and a feeding spiral blade, the stirring blades can stir the raw materials, and the feeding spiral blade can stably feed the raw materials into the feeding channel during rotation.

[0014] Further, the output end of the gear box and the screw rod are both provided with connecting flanges, and the connecting flanges on both sides are connected through bolts, so that the screw rod can be conveniently disassembled and maintained.

[0015] Further, the gear box is fixedly provided with a limiting cylinder near the edge of the output end, the limiting cylinder is rotationally connected with the output end of the gear box through a bearing, the limiting cylinder is provided with a sealing groove, one end of the upper feeding half cylinder and the lower feeding half cylinder can be clamped in the sealing groove, and sealing glue is arranged at the connecting position, so that the raw materials can be prevented from being discharged from another position of the feeding channel.

[0016] Further, the upper feeding half cylinder is fixedly connected with a sealing clamping strip, and the lower feeding half cylinder is provided with a sealing clamping groove corresponding to the sealing clamping strip, so that the raw materials can be prevented from leaking from the gap between the upper feeding half cylinder and the lower feeding half cylinder.

[0017] The utility model provides a screw rod separable single screw extruder, has the following advantages:

[0018] 1, the upper feeding half cylinder and the lower feeding half cylinder can be spliced into a feeding channel matched with the screw rod, a plurality of buckles are used to stably connect the upper feeding half cylinder and the lower feeding half cylinder, one end of the upper feeding half cylinder and the lower feeding half cylinder can be clamped in the sealing groove of the limiting cylinder, the sealing glue in the sealing groove can prevent the raw materials from leaking from one end of the feeding channel, and the connecting position of the upper feeding half cylinder and the lower feeding half cylinder is provided with a sealing clamping strip and a sealing clamping groove, so that the raw materials can be effectively prevented from leaking from the side, and the feeding channel can ensure the feeding effect in the splicing state.

[0019] 2, the driving motor is started to drive the screw rod to rotate in the feeding channel, the raw materials are fed into the feeding hopper through the feeding port, the stirring motor is started to drive the driving rod to rotate, the stirring blades stir the raw materials, the feeding spiral blade stably feeds the raw materials into the feeding channel, the electric heater heats the raw materials, the air cooler inputs cold air through the air pipe to cool the feeding channel, and the screw rod extrudes and processes the raw materials.

[0020] 3. When the screw and the feeding channel need to be maintained and cleaned, the driving motor can be closed, the buckles are opened in sequence, the multi-group adjusting frame's brake step motor is started through the same step controller, the upper feeding half cylinder and the lower feeding half cylinder can be separated from the screw, and the screw can be conveniently disassembled, maintained, cleaned and replaced.

[0021] 4. The screw separable single screw extruder can separate the feeding cylinder from the screw without lengthening the single screw extruder to expand the floor area, so that the single screw extruder is convenient for maintaining, cleaning, disassembling, replacing and maintaining the internal screw.

[0022] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the content of the specification can be implemented, the following is a preferred embodiment of the present application and the detailed description of the drawings. The specific embodiment of the present application is given in detail by the following examples and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The schematic embodiment of the present application and its description are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0024] Figure 1 A structure diagram of a screw separable single screw extruder provided by an embodiment of the present application is shown in the figure;

[0025] Figure 2 A structure diagram of a screw separable single screw extruder provided by an embodiment of the present application is shown in the figure; Figure 1 An enlarged view of A in the figure;

[0026] Figure 3 A front view of a screw separable single screw extruder provided by an embodiment of the present application is shown in the figure;

[0027] Figure 4 A structure diagram of an adjusting frame in a screw separable single screw extruder provided by an embodiment of the present application is shown in the figure;

[0028] Figure 5 A structure diagram of an adjusting frame in a screw separable single screw extruder provided by an embodiment of the present application is shown in the figure;

[0029] Figure 6 A structure diagram of an adjusting frame in a screw separable single screw extruder provided by an embodiment of the present application is shown in the figure;

[0030] Figure 7 This is a schematic diagram of the structure of a single-screw extruder with a separable screw, showing the upper feeding half-cylinder and the lower feeding half-cylinder in a separated state, according to an embodiment of the present invention.

[0031] The attached diagram lists the components represented by each number as follows:

[0032] 1. Extruder frame; 2. Drive motor; 3. Gearbox; 4. Air cooler; 5. Adjusting frame; 6. Load-bearing bracket; 7. Screw; 8. Upper feeding half-cylinder; 9. Lower feeding half-cylinder; 10. Bidirectional lead screw; 11. Synchronous pulley; 12. Synchronous belt; 13. Lead screw nut; 14. Temperature control chamber; 15. Electric heater; 16. Vent pipe; 17. Dustproof net; 18. Brake stepper motor; 19. Hook and loop; 20. Feed hopper; 21. Feed port; 22. Agitator motor; 23. Drive rod; 24. Agitator blade; 25. Feeding spiral blade; 26. Limiting cylinder; 27. Sealing adhesive; 28. Sealing strip; 29. ​​Sealing groove. Detailed Implementation

[0033] The following is in conjunction with the appendix Figures 1-7 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0034] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0036] like Figures 1-7As shown, a kind of screw separable single screw extruder, including extruder frame 1, drive motor 2, gear box 3, cold air machine 4, adjusting frame 5, load support 6, screw 7, upper feeding half cylinder 8, lower feeding half cylinder 9, drive motor 2, gear box 3, cold air machine 4 and load support 6 are fixedly connected with extruder frame 1, adjusting frame 5 is provided with multiple, multiple adjusting frame 5 is installed at the top of load support 6, the input end of gear box 3 is connected with drive motor 2, the output end of gear box 3 is connected with screw 7 by bolt, the inner wall of adjusting frame 5 is rotatably connected with bidirectional screw 10, each bidirectional screw 10 is fixedly installed with synchronous wheel 11, the outer wall of synchronous wheel 11 is sleeved with synchronous belt 12, synchronous wheel 11 can be drivenly connected by synchronous belt 12, the outer wall of bidirectional screw 10 is threadedly connected with screw nut 13, screw nut 13 is connected with upper feeding half cylinder 8 or lower feeding half cylinder 9, upper feeding half cylinder 8 and lower feeding half cylinder 9 are provided with temperature control cavity 14, temperature control cavity 14 is fixedly installed with electric heater 15, cold air machine 4 is fixedly communicated with air pipe 16, air pipe 16 is fixedly connected with temperature control cavity 14, temperature control cavity 14 is provided with heat dissipation hole, the inner wall of heat dissipation hole is fixedly installed with dust screen 17, the inner wall of adjusting frame 5 is fixedly installed with clutch step motor 18, the output end of clutch step motor 18 is fixedly connected with bidirectional screw 10, the splicing place of upper feeding half cylinder 8 and lower feeding half cylinder 9 is provided with hasp 19, upper feeding half cylinder 8 is fixedly communicated with inlet hopper 20, inlet hopper 20 is provided with feeding port 21 on the top.

[0037] Preferably, the screw nut 13 of each bidirectional screw 10 is provided with two, one screw nut 13 is connected with upper feeding half cylinder 8, and the other screw nut 13 is connected with lower feeding half cylinder 9, and the two screw nuts 13 can drive upper feeding half cylinder 8 and lower feeding half cylinder 9 to separate, respectively.

[0038] Preferably, upper feeding half cylinder 8 and lower feeding half cylinder 9 are provided with feeding grooves corresponding to screw 7, and upper feeding half cylinder 8 and lower feeding half cylinder 9 are spliced to form a feeding channel matched with screw 7, and screw 7 rotates in the feeding channel to move and extrude materials.

[0039] Preferably, the air pipe 16 is provided with multiple, the temperature control cavity 14 is provided with multiple pipe holes corresponding to the air pipe 16, the pipe holes are fixedly connected with the air pipe 16, so that the cooling air can be introduced into the temperature control cavity 14 to cool the feeding channel and the materials inside.

[0040] Preferably, the inlet hopper 20 is fixedly installed with stirring motor 22, the stirring motor 22 is fixedly connected with driving rod 23, the driving rod 23 is fixedly connected with stirring blade 24 and feeding spiral blade 25, the stirring blade 24 can stir the raw materials, and the feeding spiral blade 25 can stably feed the raw materials into the feeding channel during rotation.

[0041] Preferably, the output end of the gear box 3 and the screw rod 7 are provided with connecting flanges, and the two connecting flanges are connected through bolts. The connecting state is convenient for dismounting and maintaining the screw rod 7.

[0042] Preferably, the gear box 3 is fixedly installed with a limiting cylinder 26 near the edge of the output end. The limiting cylinder 26 is rotatably connected with the output end of the gear box 3 through a bearing. The limiting cylinder 26 is provided with a sealing groove. One end of the upper feeding half cylinder 8 and the lower feeding half cylinder 9 can be clamped at the sealing groove, and the connecting part is provided with sealing glue 27, so that the raw materials can be prevented from being transmitted from another part of the feeding channel.

[0043] Preferably, the upper feeding half cylinder 8 is fixedly connected with a sealing clamping strip 28. The lower feeding half cylinder 9 is provided with a sealing clamping groove 29 corresponding to the sealing clamping strip 28, so that the raw materials can be prevented from leaking from the gap between the upper feeding half cylinder 8 and the lower feeding half cylinder 9.

[0044] The specific working principle and use method of the utility model are: the upper feeding half cylinder 8 and the lower feeding half cylinder 9 can be spliced into a feeding channel matched with the screw rod 7, the driving motor 2 can drive the screw rod 7 to rotate in the feeding channel through the gear box 3, the raw material can be transmitted into the hopper 20 through the feeding port 21, the stirring motor 22 can drive the driving rod 23 to rotate, the stirring blade 24 can stir the raw material, the feeding spiral blade 25 can stably input the raw material into the feeding channel, the electric heater 15 can heat the raw material, the air cooler 4 can input cold air through the air pipe 16 to cool the feeding channel, the screw rod 7 can perform extrusion processing on the raw material, when it is necessary to overhaul and clean the screw rod 7 and the feeding channel, the driving motor 2 can be closed, the buckles 19 are opened in sequence, the multi-group adjusting frame 5 is started through the same step controller, the brake step motor 18 rotates the bidirectional screw rod 10, the synchronous pulley 11 of the two bidirectional screw rods 10 is transmissionally connected through the synchronous belt 12, so that the two bidirectional screw rods 10 can drive the upper feeding half cylinder 8 and the lower feeding half cylinder 9 to separate through the screw nut 13, so that the upper feeding half cylinder 8 and the lower feeding half cylinder 9 can be separated from the screw rod 7, the staff can conveniently disassemble, overhaul and clean the screw rod 7, maintain the upper feeding half cylinder 8 and the lower feeding half cylinder 9, after the maintenance is completed, the brake step motor 18 is reversed to drive the upper feeding half cylinder 8 and the lower feeding half cylinder 9 to combine, so that the screw rod 7 can be placed in the feeding channel, the upper feeding half cylinder 8 and the lower feeding half cylinder 9 can be stably connected through the multi-group buckles 19, one end of the upper feeding half cylinder 8 and the lower feeding half cylinder 9 can be clamped in the sealing groove of the limiting cylinder 26, the sealing glue 27 in the sealing groove can prevent the raw material from leaking out from one end of the feeding channel, the sealing clamping strip 28 and the sealing clamping groove 29 are arranged at the connecting position of the upper feeding half cylinder 8 and the lower feeding half cylinder 9, so that the raw material can be effectively prevented from leaking out from the side, so that the feeding channel can ensure the feeding effect in the splicing state.

[0045] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form; any ordinary technical personnel in the industry can implement the utility model according to the drawings and the above description; however, any equivalent changes, modifications and evolution of the above embodiments made by the technical personnel familiar with the professional within the scope of the technical scheme of the utility model are equivalent embodiments of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the utility model are still within the protection scope of the technical scheme of the utility model.

Claims

1. A screw separable single screw extruder comprising an extruder frame (1), a driving motor (2), a gear box (3), a cooling fan (4), an adjusting frame (5), a load bearing bracket (6), a screw (7), an upper feeding half cylinder (8), a lower feeding half cylinder (9), characterized in that: The driving motor (2), gear box (3), air cooler (4) and load bearing support (6) are fixedly connected with the extruder frame (1), the adjusting frame (5) is provided with a plurality of adjusting frames (5) installed on the top of the load bearing support (6), the input end of the gear box (3) is connected with the driving motor (2), the output end of the gear box (3) is connected with the screw rod (7) through bolts, the inner wall of the adjusting frame (5) is rotatably connected with the bidirectional screw rod (10), each bidirectional screw rod (10) is fixedly installed with a synchronous wheel (11), the outer wall of the synchronous wheel (11) is sleeved with a synchronous belt (12), the synchronous wheel (11) is drivingly connected through the synchronous belt (12), the outer wall of the bidirectional screw rod (10) is threadedly connected with a screw nut (13), the screw nut (13) is connected with the upper feeding half cylinder (8) or the lower feeding half cylinder (9), the upper feeding half cylinder (8) and the lower feeding half cylinder (9) are provided with a temperature control cavity (14), the temperature control cavity (14) is fixedly installed with an electric heater (15), the air cooler (4) is fixedly connected with an air pipe (16), the air pipe (16) is fixedly connected with the temperature control cavity (14), the temperature control cavity (14) is provided with a heat dissipation hole, the inner wall of the heat dissipation hole is fixedly installed with a dust screen (17), the inner wall of the adjusting frame (5) is fixedly installed with a brake stepping motor (18), the output end of the brake stepping motor (18) is fixedly connected with the bidirectional screw rod (10), the splicing part of the upper feeding half cylinder (8) and the lower feeding half cylinder (9) is provided with a buckle (19), the upper feeding half cylinder (8) is fixedly connected with a feeding hopper (20), and the feeding hopper (20) is provided with a feeding opening (21) on the top.

2. A screw separable single screw extruder according to claim 1, characterized in that The screw nut (13) of each bidirectional screw rod (10) is provided with two screw nuts (13), one screw nut (13) is connected with the upper feeding half cylinder (8), and the other screw nut (13) is connected with the lower feeding half cylinder (9).

3. The screw separable single screw extruder according to claim 1, wherein The upper feeding half cylinder (8) and the lower feeding half cylinder (9) are provided with feeding grooves corresponding to the screw rod (7), and the upper feeding half cylinder (8) and the lower feeding half cylinder (9) are spliced to form a feeding channel matched with the screw rod (7).

4. The screw separable single screw extruder according to claim 1, wherein The air pipe (16) is provided with a plurality of air pipes (16), and the temperature control cavity (14) is provided with a plurality of pipe holes corresponding to the air pipes (16), and the pipe holes are fixedly connected with the air pipes (16).

5. The screw separable single screw extruder according to claim 1, wherein The feeding hopper (20) is fixedly installed with a stirring motor (22), the stirring motor (22) is fixedly connected with a driving rod (23), and the driving rod (23) is fixedly connected with stirring blades (24) and feeding spiral blades (25).

6. The screw separable single screw extruder according to claim 1, wherein The output end of the gear box (3) and the screw rod (7) are provided with connecting flanges, and the two connecting flanges can be connected through bolts.

7. The screw disengageable single screw extruder according to claim 1, wherein The gear box (3) is fixedly installed with a limiting cylinder (26) near the output end edge, the limiting cylinder (26) is rotatably connected with the output end of the gear box (3) through a bearing, the limiting cylinder (26) is provided with a sealing groove, one end of the upper feeding half cylinder (8) and the lower feeding half cylinder (9) can be clamped at the sealing groove, and the connecting part is provided with sealing glue (27).

8. The screw disengageable single screw extruder according to claim 1, wherein The upper feeding half cylinder (8) is fixedly connected with a sealing clamping strip (28), and the lower feeding half cylinder (9) is provided with a sealing clamping groove (29) corresponding to the sealing clamping strip (28).

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