Temperature control device of extruder

Abstract

The utility model relates to the technical field of extruders, and discloses an extruder temperature control device which comprises a mixing pipe, a control device is arranged outside the mixing pipe, a flow monitor, an oil heating controller and a heating device are arranged below the control device, and a first containing groove, a second containing groove and a third containing groove are sequentially formed in the inner wall of the mixing pipe. A detection ring is arranged in the first containing groove, the second containing groove is provided with an oil temperature sensor, the second containing groove is provided with an oil inlet, the oil inlet is provided with a switch valve, the third containing groove is provided with a heating plate, a heating ring is arranged on the inner wall of the heating plate, and the control device is provided with a control panel used for controlling the flow monitor, the oil heating controller and the heating device. The utility model has the following advantages: 1, the temperature control device has double heating modes, so that the temperature of materials in the mixing pipe can be rapidly increased; 2, the material flow is monitored in real time through a flow monitor, and the accuracy of the material heating temperature is improved;

Description

TECHNICAL FIELD

[0001] The utility model relates to extruder technical field especially relates to a kind of extruder temperature control device. BACKGROUND

[0002] Extruder is by the pressure and shear force produced by screw rotation, so that material can be fully plasticized and uniformly mixed, is the important equipment of production plastic granule. In order to improve the efficiency of material mixing fusion in extruder, different density, character raw material needs to control temperature when mixing fusion in extruder, but, for example, the extruder disclosed in Chinese patent CN221292198U, the heating module of this kind of extruder is usually relatively large in size, not only high energy consumption, but also unable to segmented heating to material, poor temperature control capability, in view of this, inventor makes new invention. SUMMARY

[0003] The utility model discloses to the deficiency of prior art, provide a kind of extruder temperature control device, it has the advantage of efficient temperature control heating.

[0004] To achieve the above object, the utility model discloses a kind of extruder temperature control device, including mixing pipe, the mixing pipe outside is provided with control device, control device lower side is provided with flow monitor, oil heating controller and heating device, the mixing pipe inner wall is sequentially provided with first accommodating groove, second accommodating groove and third accommodating groove, first accommodating groove is provided with detection ring, first accommodating groove is provided with sensor, sensor is electrically connected with flow monitor, the second accommodating groove is provided with the oil temperature sensor electrically connected with oil heating controller, second accommodating groove is provided with oil inlet, oil inlet is provided with switch valve, the third accommodating groove is provided with the heating plate electrically connected with heating device, the inner wall of heating plate is provided with heating ring, the control device is provided with the control panel for controlling flow monitor, oil heating controller and heating device.

[0005] Further, the mixing pipe is provided with screw, detection ring, oil temperature sensor and heating ring are all provided with thread portion matched with screw.

[0006] Further, the detection ring is provided with limit stopper.

[0007] Further, the oil temperature sensor is provided with temperature measuring probe and liquid level monitor.

[0008] Further, the switch valve is provided with the oil inlet pipe of metal material.

[0009] Further, the first accommodating groove is provided with air hole.

[0010] Further, the mixing pipe is provided with feeder.

[0011] Further, the control panel is provided with a first display, a second display and a plurality of control keys.

[0012] Beneficial effects: compared with the prior art, the extruder temperature control device, including the mixing pipe, the control device is arranged outside the mixing pipe, the flow monitor, the oil heating controller and the heating device are arranged below the control device, the first accommodating groove, the second accommodating groove and the third accommodating groove are sequentially arranged on the inner wall of the mixing pipe, the detection ring is arranged in the first accommodating groove, the oil temperature sensor is arranged in the second accommodating groove, the oil inlet is arranged in the second accommodating groove, the on-off valve is arranged in the oil inlet, the heating plate is arranged in the third accommodating groove, the heating ring is arranged on the inner wall of the heating plate, and the control panel for controlling the flow monitor, the oil heating controller and the heating device is arranged in the control device; the extruder temperature control device has the following advantages: 1, the temperature control device has a double heating mode, and the temperature of the material in the mixing pipe can be quickly heated; 2, the material flow is monitored in real time through the flow monitor, and the accuracy of the material heating temperature is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a schematic view of the internal structure of the mixing pipe of the utility model.

[0014] Fig. 2 It is a schematic view of the cross-sectional structure of the mixing pipe of the utility model.

[0015] Fig. 3 It is a schematic view of the detection ring structure of the utility model.

[0016] Fig. 4 It is a schematic view of the oil temperature sensor structure of the utility model.

[0017] Fig. 5 It is a schematic view of the cross-sectional structure of the heating plate and the heating ring of the utility model.

[0018] The reference signs include:

[0019] The mixing pipe is 1, the screw is 11, the feeder is 12, the control device is 2, the flow monitor is 21, the oil heating controller is 22, the heating device is 23, the first display is 24, the second display is 25, the control key is 26, the first accommodating groove is 3, the detection ring is 31, the sensor is 32, the threaded part is 33, the stopper is 34, the air hole is 35, the second accommodating groove is 4, the oil temperature sensor is 41, the on-off valve is 42, the temperature measuring probe is 43, the liquid level monitor is 44, the oil inlet pipe is 45, the third accommodating groove is 5, the heating plate is 51, and the heating ring is 52. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings Figs. 1 to 5The utility model discloses a detailed description is made to the utility model.

[0021] The utility model discloses an extruder temperature control device, including mixing pipe 1, the mixing pipe 1 outside is provided with control device 2, and control device 2 below is provided with flow monitor 21, oil heating controller 22 and heating device 23, the mixing pipe 1 inner wall is provided with first accommodating groove 3, second accommodating groove 4 and third accommodating groove 5 in proper order, and the slot of first accommodating groove 3, second accommodating groove 4 and third accommodating groove 5 all are with the inside intercommunication of mixing pipe 1, and the detection ring 31 is provided in first accommodating groove 3, and the detection ring 31 is set up in the slot position of first accommodating groove 3, makes the inside of first accommodating groove 3 with the inside of mixing pipe 1 isolation, avoids the material in mixing pipe 1 to enter first accommodating groove 3, and first accommodating groove 3 is provided with sensor 32, and sensor 32 is pressure type sensor 32, and the end of sensor 32 and detection ring 31 abut, and sensor 32 and flow monitor 21 electric connection, and flow monitor 21 can be used for monitoring the flow of material in mixing pipe 1 when passing through detection ring 31. Second accommodating groove 4 is provided with oil temperature sensor 41 of electric connection with oil heating controller 22, and oil temperature sensor 41 is set up in the slot of second accommodating groove 4, makes second accommodating groove 4 with the inside of mixing pipe 1 isolation, and second accommodating groove 4 is provided with oil inlet, and the oil inlet is provided with switch valve 42, and high-temperature oil liquid can pass through switch valve 42 and enter second accommodating groove 4, and the material is preheated when passing through the corresponding position of second accommodating groove 4. Third accommodating groove 5 is provided with heating plate 51 of electric connection with heating device 23, and the inner wall of heating plate 51 is provided with heating ring 52, and heating plate 51 and heating ring 52 completely fill third accommodating groove 5, and heating device 23 can electric heating to heating plate 51, makes heating plate 51 and heating ring 52 reach certain temperature, and heating ring 52 carries out high-temperature heating to the passing material flow, and the utility model discloses temperature control device has double heating mode, and can quickly heat the temperature of material in mixing pipe 1, improves the efficiency of material mixing fusion.

[0022] Through flow monitor 21 real-time monitoring material flow, can improve the accuracy of material heating temperature, specifically, the mixing pipe 1 is provided with screw rod 11, and the detection ring 31, oil temperature sensor 41 and heating ring 52 are all provided with the screw part 33 of cooperation with screw rod 11. Screw part 33 and the spiral blade of screw rod 11 cooperate to push and stir the material. Among them, when the material is pushed to detection ring 31 by screw rod 11, the material will extrude the screw part 33 of detection ring 31, so that detection ring 31 displaces in first accommodating groove 3, and detection ring 31 will extrude sensor 32, and sensor 32 will convert the pressure data into material flow data through flow monitor 21, so that oil heating controller 22 and heating device 23 adjust the heating temperature.

[0023] The detection ring 31 is provided with a stopper 34. The stopper 34 can be used to limit the activity position of the detection ring 31 to prevent damage to the sensor 32.

[0024] The first accommodating groove 3 is provided with an air hole 35. The air hole 35 can balance the air pressure in the first accommodating groove 3, and improve the accuracy of the sensor 32.

[0025] The oil temperature sensor 41 is provided with a temperature measuring probe 43 and a liquid level monitor 44. The temperature measuring probe 43 is used to monitor the oil temperature in the second accommodating groove 4, and the liquid level monitor 44 is used to monitor the volume of the oil in the second accommodating groove 4, so as to ensure that the material can be heated stably.

[0026] The switch valve 42 is provided with an oil inlet pipe 45 made of metal. The oil is input into the second accommodating groove 4 through the oil inlet pipe 45, and the switch valve 42 is controlled by the oil heating controller 22. When the liquid level detector detects that the amount of oil is too low, the switch valve 42 is opened.

[0027] The mixing pipe 1 is provided with a feeder 12. The feeder 12 is provided with two, which are respectively arranged at the front end and the rear end of the control device 2. The feeder 12 can input chemical reagents such as stabilizers, thickeners, colorants and the like into the mixing pipe 1. The feeder 12 located at the front end of the control device 2 inputs chemical reagents which can be mixed and heated and fused with the material, and the feeder 12 located at the rear end of the control device 2 inputs chemical reagents which can be mixed with the material after mixing and heating and fusing, so as to meet the product property requirements.

[0028] The control device 2 is provided with a control panel for controlling the flow monitor 21, the oil heating controller 22 and the heating device 23. The worker can adjust the control panel to control the oil temperature and the temperature of the heating ring 52.

[0029] More specifically, the control panel is provided with a first display 24, a second display 25 and a plurality of control keys 26. The first display 24 can display the material flow value converted by the flow monitor 21, and the second display 25 can display the oil temperature, the liquid level and the discharge amount of the heating device 23, so as to facilitate the worker to observe. In the scheme, the control keys 26 include knobs, buttons, power switches and the like, which are convenient for the worker to operate the control device 2 and are convenient to use.

[0030] The above is only a preferred embodiment of the present application. For ordinary skilled in the art, according to the idea of the present application, the specific implementation and application range can be changed, and the content of the description should not be understood as a limitation of the present application.

Claims

1. An extruder temperature control device comprising a mixing tube (1), characterised in that: The mixing pipe (1) is externally provided with a control device (2), and a flow monitor (21), an oil heating controller (22) and a heating device (23) are arranged below the control device (2); a first accommodating groove (3), a second accommodating groove (4) and a third accommodating groove (5) are sequentially arranged on the inner wall of the mixing pipe (1); a detection ring (31) is arranged in the first accommodating groove (3); a sensor (32) is arranged on the first accommodating groove (3) and electrically connected with the flow monitor (21); an oil temperature sensor (41) electrically connected with the oil heating controller (22) is arranged on the second accommodating groove (4); an oil inlet is arranged on the second accommodating groove (4) and provided with an on-off valve (42); a heating plate (51) electrically connected with the heating device (23) is arranged on the third accommodating groove (5); a heating ring (52) is arranged on the inner wall of the heating plate (51); and the control device (2) is provided with a control panel for controlling the flow monitor (21), the oil heating controller (22) and the heating device (23).

2. A temperature control device for an extruder as defined in claim 1, wherein: The mixing pipe (1) is internally provided with a screw rod (11), and the detection ring (31), the oil temperature sensor (41) and the heating ring (52) are all provided with screw threads (33) matched with the screw rod (11).

3. A temperature control device for an extruder as defined in claim 1, wherein: The detection ring (31) is provided with a limiting device (34).

4. A temperature control device for an extruder as defined in claim 1, wherein: The oil temperature sensor (41) is provided with a temperature measuring probe (43) and a liquid level monitor (44).

5. A temperature control device for an extruder as defined in claim 1, wherein: The on-off valve (42) is provided with an oil inlet pipe (45) made of metal.

6. A temperature control device for an extruder as defined in claim 1, wherein: The first accommodating groove (3) is provided with an air hole (35).

7. A temperature control device for an extruder as defined in claim 1, wherein: The mixing pipe (1) is provided with a feeder (12).

8. A temperature control device for an extruder as claimed in any one of claims 1 to 7, characterised in that: The control panel is provided with a first display (24), a second display (25) and a plurality of control keys (26).

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