Cooling and shaping mechanism for screw extruder

Abstract

The utility model discloses a cooling and shaping mechanism for a screw extruder, and relates to the technical field of screw extruders. The cooling and shaping mechanism for the screw extruder comprises a water tank, a spraying mechanism and an air blowing mechanism, a hollow shell is arranged over the water tank, two sets of supporting rods are fixedly installed between the water tank and the outer surface of the front side of the hollow shell and between the water tank and the outer surface of the rear side of the hollow shell, and the air blowing mechanism is arranged on the hollow shell; the air blowing mechanism comprises an air blower, a hollow plate and a strip-shaped air outlet pipe, and the air blower is fixedly installed at the top of the hollow shell. According to the cooling and shaping mechanism for the screw plastic extruding machine, through cooperation of the air blowing mechanism and the spraying mechanism, cooling water is left on a formed product on the basis of cooling by spraying the cooling water, the evaporation rate of the cooling water on the formed product is increased by accelerating air flow, the capacity of the cooling water is exerted to the maximum extent, and air cooling and heat dissipation can be achieved; and the cooling effect of a formed product is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screw extruders, in particular to a cooling and shaping mechanism for screw extruders. Background Art

[0002] Chinese patent document CN216100339U discloses a cooling and shaping mechanism for a screw extruder, comprising an extruder body, a control panel fixedly mounted on the front surface of the top of the extruder body, and a feeding barrel fixedly mounted on the top of the extruder body, the feeding barrel connected to the inner cavity of the extruder body, and a screw extrusion barrel body connected to the right side wall of the extruder body, and an extrusion head fixedly mounted on the right side of the screw extrusion barrel body, and an extrusion tube is provided in the inner cavity of the extrusion head, and a cooling ring is provided below the extrusion tube, and a cooling spray head is fixedly mounted on the top of the cooling ring, and a plurality of cooling spray heads are provided, and a bracket is fixedly connected to the left side of the cooling ring, and the other end of the bracket is welded to the right side wall of the extruder body, and a circulating water tank is provided on the right side of the extruder body, and cooling water can be sprayed through the cooling spray head through the cooperation of the cooling ring and the cooling spray head, thereby water-cooling the formed plastic film.

[0003] However, the cooling water of the above mechanism flows back after being sprayed onto the molded product. The cooling water has a short effect on the molded product, has a single function, and has a poor cooling effect on the molded product. Therefore, we propose a cooling and molding mechanism for a screw extruder. Utility Model Content

[0004] The utility model aims to provide a cooling and shaping mechanism for a screw extruder, which can solve the problem of poor cooling effect of some existing mechanisms.

[0005] To achieve the above object, the utility model provides the following technical solution: a cooling and shaping mechanism for a screw extruder, comprising:

[0006] A water tank, with a hollow shell disposed directly above it, and two sets of support rods fixedly installed between the water tank and the front outer surface of the hollow shell and between the water tank and the rear outer surface of the hollow shell;

[0007] A spraying mechanism, which is arranged on the water tank and is used to spray cooling water on the molded product;

[0008] The air blowing mechanism is arranged on the hollow shell, and the air blowing mechanism includes a blower, a hollow plate and a strip-shaped air outlet pipe. The blower is fixedly installed on the top of the hollow shell, the hollow plate is fixedly installed on the front inner wall of the hollow shell, and two groups of strip-shaped air outlet pipes communicating with the interior are fixedly installed on the rear outer surface of the hollow plate.

[0009] Preferably, the air blowing mechanism also includes an air supply pipe, which is fixedly installed between the blower and the front outer surface of the hollow shell, one end of the air supply pipe is connected to the output end of the blower, and the other end of the air supply pipe is connected to the interior of the hollow plate.

[0010] Preferably, the spraying mechanism includes a support frame, a diverter plate, an atomizing nozzle, a water pump and a water pipe. The support frame is fixedly installed on the front outer surface of the water tank, and two groups of diverter plates are fixedly installed on the support frame. At least two groups of atomizing nozzles connected to the interior of the two groups of diverter plates are fixedly installed on the sides close to each other. A water pump is fixedly installed on the inner bottom of the water tank, and a water pipe is fixedly installed on the top of the water pump. One end of the water pipe is connected to the output end of the water pump, and the other end of the water pipe is connected to the interior of the two groups of diverter plates.

[0011] Preferably, at least two groups of air holes are formed through the rear side of the hollow shell.

[0012] Preferably, two groups of first support plates are fixedly mounted on the outer surface of one side of the water tank, and two groups of first guide rollers are rotatably mounted between the two groups of first support plates.

[0013] Preferably, two groups of second support plates are fixedly mounted on the outer surface of the other side of the water tank, and two groups of second guide rollers are rotatably mounted between the two groups of first support plates.

[0014] Preferably, an installation hole is formed through the front side of the water tank, and a water level window is embedded in the installation hole.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The cooling and shaping mechanism for the screw extruder, through the cooperation of the air blowing mechanism and the spraying mechanism, retains the cooling water on the molded product on the basis of cooling by spraying cooling water, accelerates the air flow, increases the evaporation rate of the cooling water on the molded product, maximizes the cooling water capacity, and can also dissipate heat by air, thereby improving the cooling effect of the molded product. This solves the problem that the cooling water of some existing mechanisms is sprayed onto the molded product and then flows back, the cooling water has a short effect time on the molded product, the cooling water has a single function, and the cooling effect on the molded product is poor, thereby improving the practicality of the mechanism.

[0017] (2) The cooling and shaping mechanism for the screw extruder can assist the molded products coming out of the screw extruder to pass through the mechanism stably through the cooperation of the first support plate, the first guide roller, the second support plate and the second guide roller. At the same time, under the action of the air vents, the stable flow of air in the hollow shell can be ensured, the evaporation effect of the cooling water can be ensured, and the use effect of the mechanism can also be ensured, which is conducive to the promotion and use of the mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a front perspective view of the utility model;

[0020] Figure 2 It is a rear perspective view of the utility model;

[0021] Figure 3 It is a schematic diagram of the internal structure of the hollow shell of the utility model.

[0022] Figure numerals: 1. water tank; 2. hollow shell; 3. support rod; 4. air blowing mechanism; 41. blower; 42. air supply pipe; 43. hollow plate; 44. strip air outlet pipe; 5. spraying mechanism; 51. support frame; 52. diverter plate; 53. atomizing nozzle; 54. water pump; 55. water pipe; 6. air vent; 7. first support plate; 8. first guide roller; 9. second support plate; 10. second guide roller. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] See also Figure 1-3 The utility model provides a technical solution: a cooling and shaping mechanism for a screw extruder, comprising a water tank 1, a spraying mechanism 5 and an air blowing mechanism 4. A hollow shell 2 is arranged directly above the water tank 1. Two groups of support rods 3 are fixedly installed between the front outer surfaces of the water tank 1 and the hollow shell 2 and between the rear outer surfaces of the water tank 1 and the hollow shell 2. The spraying mechanism 5 is arranged on the water tank 1. The spraying mechanism 5 is used to spray cooling water on the molded product. At least two groups of air holes 6 are opened through the rear side of the hollow shell 2. Two groups of first support plates 7 are fixedly installed on the outer surface of one side of the water tank 1. Two groups of first support plates 7 are rotatably installed between the two groups of first support plates 7. Guide roller 8, two groups of second support plates 9 are fixedly installed on the outer surface of the other side of the water tank 1, and two groups of second guide rollers 10 are rotatably installed between the two groups of first support plates 7. An installation hole is penetrated on the front side of the water tank 1, and a water level window is embedded in the installation hole. Through the cooperation of the first support plate 7, the first guide roller 8, the second support plate 9 and the second guide roller 10, the molded products coming out of the screw extruder can be assisted to pass through the mechanism stably. At the same time, under the action of the air vent 6, the air in the hollow shell 2 can be guaranteed to flow stably, the cooling water evaporation effect can be guaranteed, and the use effect of the mechanism can also be guaranteed, which is conducive to the promotion and use of the mechanism;

[0025] The air blowing mechanism 4 is arranged on the hollow shell 2, and the air blowing mechanism 4 includes a blower 41, a hollow plate 43 and a strip-type air outlet pipe 44. The blower 41 is fixedly installed on the top of the hollow shell 2, and the hollow plate 43 is fixedly installed on the front inner wall of the hollow shell 2. Two groups of strip-type air outlet pipes 44 connected with the interior thereof are fixedly installed on the rear outer surface of the hollow plate 43.

[0026] The air blowing mechanism 4 also includes an air supply pipe 42, which is fixedly installed between the blower 41 and the front outer surface of the hollow shell 2. One end of the air supply pipe 42 is connected to the output end of the blower 41, and the other end of the air supply pipe 42 is connected to the interior of the hollow plate 43.

[0027] The spraying mechanism 5 includes a support frame 51, a diverter plate 52, an atomizing nozzle 53, a water pump 54 and a water delivery pipe 55. The support frame 51 is fixedly installed on the front outer surface of the water tank 1, and two groups of diverter plates 52 are fixedly installed on the support frame 51. At least two groups of atomizing nozzles 53 communicating with the inside of the two groups of diverter plates 52 are fixedly installed on the sides close to each other. A water pump 54 is fixedly installed on the inner bottom of the water tank 1, and a water delivery pipe 55 is fixedly installed on the top of the water pump 54. One end of the water delivery pipe 55 is communicated with the output end of the water pump 54, and the other end of the water delivery pipe 55 is connected to the two groups of diverter plates 52. The interior of the molded product is communicated with each other, and through the cooperation of the air blowing mechanism 4 and the spraying mechanism 5, the cooling water is retained on the molded product on the basis of cooling by spraying cooling water. By accelerating the air flow, the evaporation rate of the cooling water on the molded product is increased, the cooling water capacity is maximized, and air cooling and heat dissipation can be achieved to improve the cooling effect of the molded product. This solves the problem that the cooling water of some existing mechanisms is sprayed onto the molded product and then flows back, the cooling water has a short effect time on the molded product, the cooling water has a single function, and the cooling effect on the molded product is poor, thereby improving the practicability of the mechanism.

[0028] Working principle: cooling water is added into the water tank 1, and the molded products extruded by the screw extruder are continuously transported through the two groups of first guide rollers 8, between the two groups of diverter plates 52, inside the hollow shell 2 and between the two groups of second guide rollers 10 in sequence. During this process, the water pump 54 is controlled to start, and the water pump 54 draws the cooling water into the water pipe 55, enters the two groups of diverter plates 52, and is sprayed from each atomizing nozzle 53 on the two groups of diverter plates 52 to the upper and lower surfaces of the molded products. After entering the hollow shell 2, under the start of the blower 41, the blower 41 continuously blows air from the two groups of strip-shaped air outlet pipes 44 on the hollow plate 43 through the air supply pipe 42, forming a unidirectional airflow in the hollow shell 2, accelerating the evaporation rate of the cooling water on the molded products in the hollow shell 2, and then the products can be transported away after cooling.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A cooling and shaping mechanism for a screw extruder, characterized in that: include: A water tank (1) having a hollow shell (2) disposed directly above it, and two sets of support rods (3) fixedly installed between the front outer surfaces of the water tank (1) and the hollow shell (2) and between the rear outer surfaces of the water tank (1) and the hollow shell (2); A spraying mechanism (5) is arranged on the water tank (1), and the spraying mechanism (5) is used to spray cooling water on the molded product; An air blowing mechanism (4) is arranged on the hollow shell (2), and comprises a blower (41), a hollow plate (43) and a strip-shaped air outlet pipe (44); the blower (41) is fixedly mounted on the top of the hollow shell (2), the hollow plate (43) is fixedly mounted on the front inner wall of the hollow shell (2), and two groups of strip-shaped air outlet pipes (44) communicating with the interior of the hollow plate (43) are fixedly mounted on the rear outer surface of the hollow plate (43).

2. A cooling and shaping mechanism for a screw extruder according to claim 1, characterized in that: The air blowing mechanism (4) further comprises an air supply pipe (42), wherein the air supply pipe (42) is fixedly installed between the blower (41) and the front outer surface of the hollow shell (2), one end of the air supply pipe (42) is communicated with the output end of the blower (41), and the other end of the air supply pipe (42) is communicated with the interior of the hollow plate (43).

3. A cooling and shaping mechanism for a screw extruder according to claim 2, characterized in that: The spraying mechanism (5) comprises a support frame (51), a diverter plate (52), an atomizing nozzle (53), a water pump (54) and a water delivery pipe (55); the support frame (51) is fixedly mounted on the front outer surface of the water tank (1); two groups of diverter plates (52) are fixedly mounted on the support frame (51); at least two groups of atomizing nozzles (53) communicating with the inside of the two groups of diverter plates (52) are fixedly mounted on one side close to each other; a water pump (54) is fixedly mounted on the inner bottom of the water tank (1); a water delivery pipe (55) is fixedly mounted on the top of the water pump (54); one end of the water delivery pipe (55) is communicated with the output end of the water pump (54); and the other end of the water delivery pipe (55) is communicated with the inside of the two groups of diverter plates (52).

4. A cooling and shaping mechanism for a screw extruder according to claim 3, characterized in that: At least two groups of air holes (6) are formed through the rear side of the hollow shell (2).

5. A cooling and shaping mechanism for a screw extruder according to claim 4, characterized in that: Two groups of first support plates (7) are fixedly mounted on the outer surface of one side of the water tank (1), and two groups of first guide rollers (8) are rotatably mounted between the two groups of first support plates (7).

6. A cooling and shaping mechanism for a screw extruder according to claim 5, characterized in that: Two groups of second support plates (9) are fixedly mounted on the outer surface of the other side of the water tank (1), and two groups of second guide rollers (10) are rotatably mounted between the two groups of first support plates (7).

7. A cooling and shaping mechanism for a screw extruder according to claim 6, characterized in that: The front side of the water tank (1) is provided with an installation hole, and a water level window is embedded in the installation hole.

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