Exhaust type single-screw extruder

Abstract

The utility model provides an exhaust type single-screw extruder, which belongs to the field of extruders, and comprises a shell, a discharge pipe is fixedly arranged on one side of the shell, an extrusion head is sleeved on the discharge pipe, agraffes are fixedly arranged on two sides of the extrusion head, hasps are fixedly arranged at the top and the bottom of one end of the shell, and the discharge pipe is sleeved on the discharge pipe. The two hasps are matched with the hasps on the same side, a cavity is formed in the shell, a driving machine is fixedly installed on one side of the shell, the output end of the driving machine penetrates through the shell to be rotationally arranged and extends into the cavity, and a threaded rod is fixedly arranged at the output end of the driving machine. The blanking assembly is arranged, materials can be uniformly blanked, the situation of defective products caused by material blocking is avoided, the production cost is reduced, the hasp and the agraffe are further arranged, the extrusion head can be quickly and conveniently mounted and dismounted, different products can be machined, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of extruders, in particular to a venting type single screw extruder. Background Art

[0002] The exhaust type single screw extruder with application number CN201721662332.1 includes a frame, a feeding device, an exhaust device and an extrusion device; the feeding device includes a hot melt bin, a stirring motor, a small tooth difference planetary gear transmission, a stirring rod, and a first valve. The stirring motor is installed at the upper end of the hot melt bin, and the stirring rod is connected to the stirring motor through the small tooth difference planetary gear transmission. The lower end of the hot melt bin is provided with a discharge port, and the first valve is installed at the discharge port of the hot melt bin; the exhaust device includes a vacuum pump, a decompression exhaust bin, an ultrasonic vibrator, a first pipeline and a second valve. The vacuum pump is connected to the upper end of the decompression exhaust bin, and the decompression exhaust bin is connected to the hot melt bin discharge port through the first pipeline, and the ultrasonic vibrator is installed in the decompression exhaust bin. The utility model single screw extruder removes water vapor at low pressure by using a vacuum pump, and has a good dehydration effect.

[0003] Although the above technology has a good water removal effect, it cannot achieve uniform material feeding. There may be material blockage, resulting in defective products due to discontinuous extrusion, which increases production costs. In addition, the above technology cannot disassemble the extruder head, making it impossible to process different products. The function is single, which reduces practicality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a venting single-screw extruder.

[0005] The embodiment of the utility model provides a venting single screw extruder, comprising:

[0006] A shell, a discharge pipe is fixedly provided on one side of the shell, an extrusion head is sleeved on the discharge pipe, hooks are fixedly provided on both sides of the extrusion head, buckles are fixedly provided on the top and bottom of one end of the shell, and the two buckles are respectively matched with the hooks on the same side, a chamber is provided in the shell, a driving machine is fixedly installed on one side of the shell, the output end of the driving machine penetrates the shell and rotates and extends into the chamber, a threaded rod is fixedly provided on the output end of the driving machine, a feed hopper is penetrated at one end of the top of the shell, and a feeding assembly is provided in the feed hopper.

[0007] Furthermore, the material unloading assembly includes a motor, a shaft and a spiral blade. A support plate is fixedly provided at the inner top end of the feed hopper. The motor is fixedly provided on the top of the support plate. The output end of the motor passes through the support plate and is rotatably provided. The shaft is fixedly provided at the output end of the motor. The spiral blade is cooperated with the shaft, and the spiral blade is slidably provided against the bottom end of the feed hopper.

[0008] Furthermore, a protection box is fixedly arranged on the outer side of the shell, and a plurality of heating tubes are fixedly installed in the protection box.

[0009] Furthermore, a plurality of exhaust pipes are provided through the shell, and a one-way valve is installed on each of the plurality of exhaust pipes.

[0010] Furthermore, a controller is fixedly disposed on one side of the shell, and the controller is electrically connected to the driving machine, the motor and the plurality of heating tubes.

[0011] Furthermore, support legs are fixedly arranged at four corners of the bottom of the shell, and support columns are fixedly arranged between the four support legs.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. A motor and a spiral blade are provided. The motor can drive the spiral blade to rotate through the shaft. The spiral blade can drive the material to be evenly transported into the chamber to avoid material blockage and achieve uniform material discharge.

[0014] 2. A heating pipe and an exhaust pipe are provided. The heating pipe can heat the shell, thereby heating the material in the chamber to melt the material. The exhaust pipe can discharge the air and water vapor in the chamber to avoid bubbles in the finished product and improve the production quality.

[0015] 3. A buckle and a hook are provided. Put the pull ring of the buckle into the hook, and then tighten the buckle to install and fix the extruder head. Move the buckle upward to loosen the pull ring and the hook, and then the extruder head can be disassembled and replaced.

[0016] In summary, the utility model is provided with a feeding assembly, which can feed the material evenly, avoid the situation of defective products due to material blockage, reduce production costs, and is also provided with buckles and hooks, which can quickly and conveniently install and disassemble the extruder head, so that different products can be processed, increasing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a stereoscopic diagram of a venting single screw extruder described in an embodiment of the utility model.

[0018] Figure 2It is a cross-sectional view of a venting single-screw extruder described in an embodiment of the utility model.

[0019] Figure 3 It is a partial schematic diagram of a venting single-screw extruder described in an embodiment of the utility model.

[0020] Figure 4 A venting single screw extruder as described in the embodiment of the utility model Figure 2 Enlarged view of point A in the middle.

[0021] In the above drawings: 1 shell, 2 driving machine, 3 threaded rod, 4 feed hopper, 5 motor, 6 shaft rod, 7 spiral blade, 8 exhaust pipe, 9 one-way valve, 10 protection box, 11 heating pipe, 12 discharge pipe, 13 extruder head, 14 buckle, 15 hook, 16 controller, 17 support leg. DETAILED DESCRIPTION

[0022] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] like Figure 1-Figure 4 As shown, the utility model embodiment provides a venting single screw extruder, comprising:

[0024] A shell body 1, support legs 17 are fixedly provided at the four corners of the bottom of the shell body 1, and support columns are fixedly provided between the four support legs 17. A controller 16 is fixedly provided on one side of the shell body 1, and the controller 16 is electrically connected to the driving machine 2, the motor 5 and the plurality of heating tubes 11, so that the controller 16 can control the start and shut down of the driving machine 2, the motor 5 and the plurality of heating tubes 11. A discharge pipe 12 is fixedly provided on one side of the shell body 1, and an extrusion head 13 is sleeved on the discharge pipe 12. A sealing ring is fixedly provided on the discharge pipe 12, and the sealing ring is set against the inner side of the extrusion head 13, and the sealing ring can increase the sealing between the extrusion head 13 and the discharge pipe 12;

[0025] Hooks 15 are fixedly provided on both sides of the extrusion head 13, and buckles 14 are fixedly provided on the top and bottom of one end of the housing 1. The two buckles 14 are respectively matched with the hooks 15 on the same side. The buckles 14 and the hooks 15 are both existing technologies, and the extrusion head 13 can be tightened and fixed to one side of the housing 1;

[0026] A chamber is provided in the housing 1, and a discharge pipe 12 is provided through the chamber. A driving machine 2 is fixedly installed on one side of the housing 1, and an output end of the driving machine 2 is rotatably provided through the housing 1 and extends into the chamber. A threaded rod 3 is fixedly provided at the output end of the driving machine 2, and the threaded rod 3 is a screw in an extruder in the prior art;

[0027] A plurality of exhaust pipes 8 are provided through the shell 1, and a one-way valve 9 is installed on each of the exhaust pipes 8, so that the air and water vapor in the chamber can be discharged through the one-way valve 9 and the exhaust pipe 8, while the external air cannot enter the chamber from the exhaust pipe 8, thereby avoiding bubbles in the finished product and improving the production quality. A protective box 10 is fixedly provided on the outside of the shell 1, and a plurality of heating pipes 11 are fixedly installed in the protective box 10. The heating pipes 11 can heat the shell 1, thereby heating the material in the chamber to melt the material;

[0028] A feed hopper 4 is provided through one end of the top of the shell 1, and a material discharge assembly is provided in the feed hopper 4; the material discharge assembly includes a motor 5, a shaft rod 6 and a spiral blade 7, a support plate is fixedly provided at the inner top end of the feed hopper 4, the motor 5 is fixedly provided on the top of the support plate, the output end of the motor 5 is rotatably provided through the support plate, the shaft rod 6 is fixedly provided at the output end of the motor 5, the spiral blade 7 is cooperated with the shaft rod 6, the spiral blade 7 is slidably arranged against the bottom end of the feed hopper 4, the motor 5 can drive the spiral blade 7 to rotate through the shaft rod 6, and the spiral blade 7 can drive the material to be evenly transported into the chamber.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A venting single screw extruder, characterized in that: include: A shell (1), a discharge pipe (12) is fixedly provided on one side of the shell (1), an extrusion head (13) is sleeved on the discharge pipe (12), hooks (15) are fixedly provided on both sides of the extrusion head (13), buckles (14) are fixedly provided on the top and bottom of one end of the shell (1), and the two buckles (14) are respectively matched with the hooks (15) on the same side, a chamber is provided in the shell (1), a driving machine (2) is fixedly installed on one side of the shell (1), the output end of the driving machine (2) penetrates the shell (1) and is rotatably arranged and extends into the chamber, a threaded rod (3) is fixedly provided on the output end of the driving machine (2), a feed hopper (4) is penetrated at one end of the top of the shell (1), and a feeding assembly is provided in the feed hopper (4).

2. A venting single screw extruder according to claim 1, characterized in that: in: The material discharge assembly comprises a motor (5), a shaft (6) and a spiral blade (7); a support plate is fixedly arranged at the inner top end of the feed hopper (4); the motor (5) is fixedly arranged on the top of the support plate; the output end of the motor (5) penetrates the support plate and is rotatably arranged; the shaft (6) is fixedly arranged at the output end of the motor (5); the spiral blade (7) is matched with the shaft (6); and the spiral blade (7) is slidably arranged against the bottom end of the feed hopper (4).

3. A venting single screw extruder according to claim 1, characterized in that: in: A protection box (10) is fixedly arranged on the outside of the shell (1), and a plurality of heating tubes (11) are fixedly installed in the protection box (10).

4. A venting single screw extruder according to claim 1, characterized in that: in: A plurality of exhaust pipes (8) are provided through the shell (1), and a one-way valve (9) is installed on each of the plurality of exhaust pipes (8).

5. A venting single screw extruder according to claim 2, characterized in that: in: A controller (16) is fixedly disposed on one side of the housing (1), and the controller (16) is electrically connected to the driving machine (2), the motor (5) and the plurality of heating tubes (11).

6. A vented single screw extruder according to claim 1, characterized in that: in: Support legs (17) are fixedly arranged at the four corners of the bottom of the shell (1), and support columns are fixedly arranged between the four support legs (17).

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