CN212331759U

CN212331759U - Screw temperature control device of plate extruder

Info

Publication number: CN212331759U
Application number: CN202020905275.0U
Authority: CN
Inventors: 吴中心; 朱龙光; 傅剑琼
Original assignee: Zhejiang Sanhe Plastics Co ltd
Current assignee: Zhejiang Sanhe Plastics Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-12
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a panel extruder screw rod temperature control device relates to the extruder field, and it is including being fixed in extruder housing and the batch oil tank on the base, two screw rods are installed to extruder housing internal rotation, two screw rod intermeshing, one of them the fixed cover in the left end outside of screw rod is equipped with driven ring gear, and the top of batch oil tank is fixed with driving motor, and driving motor's output is fixed with the driving gear that passes through chain drive with driven ring gear and is connected, two the screw rod is hollow structure, and the left end opening right-hand member of screw rod seals, be fixed with air guide cover, installation cover on the left and right side inner wall of batch oil tank respectively, the bottom of installation cover is fixed and communicates there is vertical back flow. The utility model discloses can carry out automatic cooling to two screws, avoid the temperature of screw rod along with the continuous height of the temperature rising of material, the product is unstable when causing production, and the condition of producing decomposition easily takes place, and the normal processing is not influenced in the process of just cooling.

Description

Screw temperature control device of plate extruder

Technical Field

The utility model relates to an extruder field especially relates to a panel extruder screw rod temperature control device.

Background

The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders. However, when the traditional extruder works, the temperature of the screw can be continuously high along with the temperature rise of the material, so that the product is unstable during production and is easy to decompose, and therefore, improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a screw temperature control device of a plate extruder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a plate extruder screw temperature control device comprises an extruder shell and an oil storage tank which are fixed on a base, wherein two screws are installed in the extruder shell in a rotating mode, the two screws are meshed with each other, one of the screws is fixedly sleeved with a driven gear ring outside the left end of the screw, the top of the oil storage tank is fixed with a driving motor, the output end of the driving motor is fixed with a driving gear which is connected with the driven gear ring through chain transmission, the two screws are of a hollow structure, the right end of the left end opening of the screw is sealed, the inner walls of the left side and the right side of the oil storage tank are respectively fixed with an air guide cover and an installation cover, the bottom of the installation cover is fixed and communicated with a vertical return pipe, the installation cover is fixed with two transverse liquid guide pipes, the left ends of the two liquid guide pipes are communicated with the air guide cover, and the right ends of, the left side of the oil storage tank is fixed with a pump, the liquid inlet end of the pump is connected with an oil inlet pipe communicated with the oil storage tank, and the liquid outlet end of the pump is connected with a connecting pipe communicated with the air guide cover.

Preferably, a controller is fixed at the top of the oil storage tank, the output end of the controller is electrically connected with the pump, the input end of the controller is electrically connected with two temperature sensors which are respectively fixed at the left end of the liquid guide pipe, and the two temperature sensors are respectively positioned at the inner sides of the two screws.

Preferably, a liquid feeding pipe communicated with the oil storage tank is fixed on the left side of the upper end of the oil storage tank, and a valve is arranged on the liquid feeding pipe.

Preferably, the left end of the extruder housing is provided with a groove, the driven gear ring is located in the groove, a first mounting hole matched with the screw is formed in the extruder housing, and the screw is rotatably mounted in the first mounting hole.

Preferably, the right side of oil storage tank is provided with the second mounting hole that matches with the screw rod, and the left end of screw rod rotates and installs in the second mounting hole.

Preferably, the top of the left end of the extruder shell is fixed with a feed box, the bottom of the feed box is provided with a feed pipe communicated with the extruder shell, and the feed pipe is provided with a valve.

The utility model discloses a temperature sensor, controller, pump, advance the setting of oil pipe, air guide cover, catheter and back flow that set up, can carry out automatic cooling to two screw rods, avoid the temperature of screw rod along with the temperature of material risees continuous height, the product is unstable when causing production, produces the condition of decomposition easily and takes place, and the cooling process does not influence normal processing, excellent in use effect, whole device simple structure, the cost of manufacture is low.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the arrangement of the temperature sensors according to the present invention.

Reference numbers in the figures: 1 extruder shell, 2 oil storage tanks, 3 screws, 4 driven gear rings, 5 feed tanks, 6 air guide covers, 7 installation covers, 8 liquid guide pipes, 9 return pipes, 10 pumps, 11 oil inlet pipes, 12 connecting pipes, 13 controllers, 14 temperature sensors, 15 driving motors and 16 through holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a temperature control device for screw rods of a plate extruder comprises an extruder shell 1 and an oil storage tank 2 which are fixed on a base, two screw rods 3 are rotatably installed in the extruder shell 1, the two screw rods 3 are meshed with each other, a driven gear ring 4 is fixedly sleeved outside the left end of one of the screw rods 3, a driving motor 15 is fixed at the top of the oil storage tank 2, a driving gear connected with the driven gear ring 4 through chain transmission is fixed at the output end of the driving motor 15, the two screw rods 3 are both of a hollow structure, the left end opening and the right end of the screw rod 3 are closed, an air guide cover 6 and an installation cover 7 are respectively fixed on the left side inner wall and the right side inner wall of the oil storage tank 2, a vertical return pipe 9 is fixed and communicated at the bottom of the installation cover 7, two transverse liquid guide pipes 8 are fixed on the installation cover 7, the left ends of the two liquid guide pipes 8 are both communicated with the air guide, a pump 10 is fixed on the left side of the oil storage tank 2, the liquid inlet end of the pump 10 is connected with an oil inlet pipe 11 communicated with the oil storage tank 2, and the liquid outlet end of the pump 10 is connected with a connecting pipe 12 communicated with the air guide cover 6.

In the embodiment, a controller 13 is fixed on the top of an oil storage tank 2, the controller 13 is ATMEGA16, the output end of the controller 13 is electrically connected with a pump 10, the input end of the controller 13 is electrically connected with two temperature sensors 14 respectively fixed on the left end of a liquid guide tube 8, the temperature sensors 14 are PT100, the two temperature sensors 14 are respectively positioned on the inner sides of two screws 3, a liquid filling pipe communicated with the oil storage tank 2 is fixed on the left side of the upper end of the oil storage tank 2, a valve is arranged on the liquid filling pipe, a groove is arranged at the left end of an extruder housing 1, a driven gear ring 4 is positioned in the groove, a first mounting hole matched with the screw 3 is arranged on the extruder housing 1, the screw 3 is rotatably mounted in the first mounting hole, a second mounting hole matched with the screw 3 is arranged on the right side of the oil storage tank 2, the left end of the screw 3 is rotatably mounted in the second mounting hole, a feed box 5 is fixed on the top, the bottom of workbin 5 is provided with the inlet pipe with extruder casing 1 intercommunication, is provided with the valve on the inlet pipe.

The working principle is as follows:

the utility model discloses when using, temperature sensor 14 through setting up can respond to the temperature information in the screw rod 3 and transmit for controller 13, when the temperature is higher, controller 13 automatic control pump 10 work, at this moment, the oil absorption of the oil pipe 11 department that advances that sets up, later the coolant oil gets into in the air guide cover 6 back respectively get into two catheter 8 in, later get into in two screw rods 3, after cooling down to screw rod 3 in the installation cover 7 is flowed into from the left end of screw rod 3, later flow back 9 back to in the batch oil tank 2, and then can carry out automatic cooling to screw rod 3, avoid the temperature of screw rod 3 to rise along with the temperature of material continuously, the product is unstable when causing production, produce the condition of decomposition easily and take place, excellent in use effect, whole device simple structure, low in manufacturing cost.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a panel extruder screw rod temperature control device, includes extruder housing (1) and batch oil tank (2) that are fixed in on the base, two screw rods (3) are installed to extruder housing (1) internal rotation, two screw rods (3) intermeshing, one of them the fixed cover in left end outside of screw rod (3) is equipped with driven ring gear (4), the top of batch oil tank (2) is fixed with driving motor (15), the output of driving motor (15) is fixed with the driving gear of being connected through chain drive with driven ring gear (4), a serial communication port, two screw rod (3) are hollow structure, and the left end opening right-hand member of screw rod (3) seals, be fixed with air guide cover (6), installation cover (7) respectively on the left and right side inner wall of batch oil tank (2), the bottom of installation cover (7) is fixed and is led to have vertical back flow (9), be fixed with two horizontal catheter (8) on installation cover (7), two the left end of catheter (8) all communicates with air guide cover (6), two the right-hand member of catheter (8) stretches into respectively in two screw rods (3) and the equipartition has through-hole (16), the left side of batch oil tank (2) is fixed with pump (10), and the feed liquor end of pump (10) is connected with advances oil pipe (11) with batch oil tank (2) intercommunication, and the play liquid end of pump (10) is connected with connecting pipe (12) with air guide cover (6) intercommunication.

2. The screw temperature control device of the plate extruder according to claim 1, wherein a controller (13) is fixed on the top of the oil storage tank (2), the output end of the controller (13) is electrically connected with the pump (10), the input end of the controller (13) is electrically connected with two temperature sensors (14) which are respectively fixed on the left ends of the liquid guide pipes (8), and the two temperature sensors (14) are respectively positioned on the inner sides of the two screws (3).

3. The temperature control device for the screw of the plate extruder according to claim 1, wherein a liquid feeding pipe communicated with the oil storage tank (2) is fixed on the left side of the upper end of the oil storage tank (2), and a valve is arranged on the liquid feeding pipe.

4. The temperature control device for the screw of the plate extruder as claimed in claim 1, wherein the left end of the extruder housing (1) is provided with a groove, the driven gear ring (4) is located in the groove, the extruder housing (1) is provided with a first mounting hole matched with the screw (3), and the screw (3) is rotatably mounted in the first mounting hole.

5. The temperature control device for the screw of the plate extruder in accordance with claim 1, wherein the right side of the oil storage tank (2) is provided with a second mounting hole matched with the screw (3), and the left end of the screw (3) is rotatably mounted in the second mounting hole.

6. The temperature control device for the screw of the plate extruder according to claim 1, wherein a feed box (5) is fixed on the top of the left end of the extruder shell (1), a feed pipe communicated with the extruder shell (1) is arranged at the bottom of the feed box (5), and a valve is arranged on the feed pipe.