Cooling device of plastic extruder

Abstract

The utility model discloses a cooling device of a plastic extruder, which comprises a cooling box, one side of the cooling box is provided with an open slot, the outer side of the open slot is provided with a mounting cover, one side of the mounting cover corresponding to the open slot is fixedly connected with a sealing plate, and the outer side of the sealing plate is provided with a sealing ring. According to the cooling device of the plastic extruder, an S-shaped flow channel is formed in the cooling box through a first baffle and a second baffle, extruded strip-shaped plastic enters the cooling box through a feeding port and is moved out of a discharging port after passing through the S-shaped flow channel, cold water enters the cooling box through a water inlet pipe, and hot water subjected to heat exchange flows out through a water outlet pipe; the water temperature of the S-shaped flow channel from the feeding port to the discharging port is gradually reduced, so that the strip-shaped plastic can be gradually cooled in the cooling box, the internal stress of a product is effectively eliminated, meanwhile, the slow cooling effect can be achieved through the single cooling box, the size of the cooling device is reduced, and the practicability of the cooling device is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic processing, specifically to a cooling device of plastic extruder. BACKGROUND

[0002] Plastic refers to the high molecular weight synthetic resin as the main component, add proper additive, such as plasticizer, stabilizer, antioxidant, flame retardant, colorant etc., the plasticity (flexibility) material or rigid material formed by processing and crosslinking, in the production process of plastic raw material, need to be extruded by extruder extruded strip plastic products, strip plastic products need to be cooled by cooling device, then the cooled strip plastic products are cut.

[0003] In the patent application with the name of "a cooling device for plastic extruder after extrusion" with the authorization publication number CN220261939U and the authorization publication date of December 29, 2023, including transmission device, the transmission direction of the transmission device is from left to right, and the right of the transmission device is provided with water tank, the water tank is provided with drain pipe, the front and back sides of the transmission device are provided with air blowing mechanism along the length direction, and the blowing end of the air blowing mechanism faces the transmission frame of the transmission device, the water tank is provided with limiting mechanism, the upper right end of the water tank is provided with guide frame, and the guide frame is provided with guide mechanism. The cooling device for plastic extruder after extrusion, the chain type conveyor is used to connect the noodle-shaped plastic extruded by the extruder to the main, and the noodle-shaped plastic is cooled by the air blowing mechanism during transmission, and then the cooled noodle-shaped plastic is transmitted out by the limiting mechanism and the guide mechanism, so as to be granulated by the granulator. By air cooling and then water cooling, the temperature transition of the plastic during cooling is smoother.

[0004] The existing cooling device of plastic extruder can make the temperature transition of the plastic during cooling smoother and eliminate the internal stress of the plastic product, but in use, it is found that in order to achieve the effect of slow cooling, the volume of the cooling equipment is relatively large, and the plastic product cannot reach the effect of slow cooling by a single device, which is inconvenient to use, therefore, the cooling device of plastic extruder is proposed to solve the problems. UTILITY MODEL CONTENTS

[0005] 1. The technical problem to be solved by the utility model is:

[0006] The utility model aims to provide a cooling device of plastic extruder to solve the problems in the market.

[0007] 2. Technical scheme:

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a cooling device of plastic extruder, including cooling box, the side of cooling box is equipped with opening groove, the outside of opening groove is provided with installation cover, wherein,

[0009] The sealing plate is fixedly connected with the sealing ring on the outer side of the sealing plate, the installation cover is detachably connected with the cooling box through the quick dismounting mechanism, and the inner side top and bottom of the cooling box are fixedly connected with the first baffle and the second baffle respectively at equal distances.

[0010] The cooling box is communicated with the water inlet pipe near the lower end, the cooling box is communicated with the water outlet pipe near the upper end, the top of the cooling box is provided with the feeding port corresponding to the water outlet pipe, and the top of the cooling box is provided with the discharging port corresponding to the water inlet pipe.

[0011] Preferably, the outer dimension of the sealing plate is consistent with the inner dimension of the opening groove, and the sealing plate is sealingly connected with the inner wall of the opening groove through the sealing ring.

[0012] Preferably, the quick dismounting mechanism comprises a fixing frame, the cooling box is fixedly connected with the fixing frame symmetrically on both sides of the opening groove, the fixing frame is provided with a clamping groove on the side close to the opening groove, the installation cover is provided with a clamping block groove on the side corresponding to the clamping groove, the installation cover is communicated with a push rod groove on the side corresponding to the clamping block groove, the clamping block groove is internally provided with a spring, the spring is provided with a clamping block on the opening side close to the clamping block groove, and the clamping block is fixedly connected with a push rod on the side close to the push rod groove.

[0013] Preferably, the clamping block is a rectangular column, and the outer dimension of the clamping block is consistent with the inner dimension of the clamping groove.

[0014] Preferably, the cooling box is rotatably connected with the first guide wheel at equal distances in the inner part corresponding to the lower part of the first baffle, and the cooling box is rotatably connected with the second guide wheel at equal distances in the inner part corresponding to the upper part of the second baffle.

[0015] Preferably, the first baffle and the second baffle are arranged in a staggered manner, and the distance between the first baffles is equal to the distance between the second baffles.

[0016] 3. Beneficial effects:

[0017] Compared with the prior art, the cooling device of the plastic extruder has the following specific contents:

[0018] (1) the S-shaped flow channel is formed by the first baffle and the second baffle inside the cooling box, the extruded strip-shaped plastic enters the cooling box through the feeding port, moves out from the discharging port after passing through the S-shaped flow channel, and the cold water enters the cooling box through the water inlet pipe and the heated water after heat exchange flows out through the water outlet pipe, when the cooling box is used, the water temperature of the S-shaped flow channel from the feeding port to the discharging port gradually decreases, so that the strip-shaped plastic can be gradually cooled in the cooling box, the internal stress of the product is effectively eliminated, the slow cooling effect can be achieved through a single cooling box, the size of the cooling device is reduced, and the practicability of the cooling device is effectively improved.

[0019] (2) when the end of the strip-shaped plastic product needs to pass through the inside of the cooling box, the push rod drives the clamping block to move out of the clamping groove by overcoming the spring elastic force, the mounting cover drives the sealing plate to move out of the opening groove, the opening groove is opened, one end of the strip-shaped plastic product passes through the inside of the cooling box through the opening groove, then the mounting cover drives the sealing plate to be inserted into the opening groove, after the clamping block groove is aligned with the clamping groove, the push rod is loosened, the clamping block is inserted into the clamping groove through the spring, the opening groove is sealed, then cooling water is injected through the water inlet pipe, so that the cooling device cools the strip-shaped plastic product, through the quick disassembly and assembly mechanism, the opening groove can be quickly opened or closed, so that the strip-shaped plastic product is guided to pass through the inside of the cooling box. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is a mounting cover structure schematic diagram of the utility model;

[0022] Figure 3 It is a three-dimensional structure schematic diagram of the utility model Figure 1 It is a local enlarged structure schematic diagram of A in the utility model;

[0023] Figure 4 It is a local enlarged structure schematic diagram of B in the utility model Figure 1

[0024] In the drawing: 1, cooling box; 2, opening groove; 3, mounting cover; 4, sealing plate; 5, sealing ring; 6, fixed frame; 7, clamping groove; 8, clamping block groove; 9, push rod slot; 10, spring; 11, clamping block; 12, push rod; 13, first baffle; 14, second baffle; 15, water inlet pipe; 16, water outlet pipe; 17, first guide wheel; 18, second guide wheel; 19, feeding port; 20, discharging port. DETAILED DESCRIPTION

[0025] ​In order to facilitate the understanding of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. Embodiment

[0029] Please refer to Figures 1 to 4 A cooling device of a plastic extruder, comprising a cooling box 1, an open slot 2 is formed on one side of the cooling box 1, and a mounting cover 3 is arranged on the outer side of the open slot 2, wherein

[0030] The mounting cover 3 is fixedly connected with a sealing plate 4 on the side corresponding to the open slot 2, a sealing ring 5 is arranged on the outer side of the sealing plate 4, the mounting cover 3 is detachably connected with the cooling box 1 through a quick disassembly and assembly mechanism, and a first baffle 13 and a second baffle 14 are fixedly connected with the cooling box 1 at equal distances on the top and the bottom of the cooling box 1 respectively;

[0031] The cooling box 1 is communicated with a water inlet pipe 15 near the lower end, and is communicated with a water outlet pipe 16 near the upper end, and the top of the cooling box 1 is provided with an inlet 19 corresponding to the water outlet pipe 16, and the top of the cooling box 1 is provided with an outlet 20 corresponding to the water inlet pipe 15;

[0032] The inside of the cooling box 1 is formed into an S-shaped flow channel by the first baffle 13 and the second baffle 14, the extruded strip-shaped plastic enters the cooling box 1 through the inlet 19, and then moves out of the outlet 20 after passing through the S-shaped flow channel, and the cold water enters the cooling box 1 through the water inlet pipe 15, and the heated water after heat exchange flows out through the water outlet pipe 16, and when the cooling box 1 is used, the water temperature of the S-shaped flow channel from the inlet 19 to the outlet 20 gradually decreases, so that the strip-shaped plastic can be gradually cooled in the cooling box 1, which not only effectively eliminates the internal stress of the product, but also achieves the effect of slow cooling through a single cooling box 1, thereby reducing the size of the cooling device and effectively improving the practicability of the cooling device.

[0033] Please refer to Figures 1 to 4 The outer size of the sealing plate 4 is matched with the inner size of the open slot 2, and the sealing plate 4 is sealingly connected with the inner wall of the open slot 2 through the sealing ring 5, and the quick disassembly and assembly mechanism comprises a fixed frame 6, and the cooling box 1 is fixedly connected with the fixed frame 6 symmetrically near the two sides of the open slot 2, and the fixed frame 6 is provided with a clamping groove 7 near one side of the open slot 2, and the mounting cover 3 is provided with a clamping block groove 8 on one side corresponding to the clamping groove 7, and the mounting cover 3 is communicated with a push rod groove 9 on the outer side corresponding to the clamping block groove 8, and the clamping block groove 8 is internally provided with a spring 10, and the spring 10 is provided with a clamping block 11 near the opening side of the clamping block groove 8, and the clamping block 11 is fixedly connected with a push rod 12 near one side of the push rod groove 9, and the clamping block 11 is a rectangular column, and the outer size of the clamping block 11 is matched with the inner size of the clamping groove 7, when it is needed to pass the end of the strip-shaped plastic product through the inside of the cooling box 1, the clamping block 11 is moved out of the clamping groove 7 by the push rod 12 to overcome the elastic force of the spring 10, so that the mounting cover 3 drives the sealing plate 4 to move out of the open slot 2, and the open slot 2 is opened, and after the end of the strip-shaped plastic product is passed through the inside of the cooling box 1 through the open slot 2, the mounting cover 3 drives the sealing plate 4 to be inserted into the open slot 2, and after the clamping block groove 8 is aligned with the clamping groove 7, the push rod 12 is loosened, and the clamping block 11 is inserted into the clamping groove 7 by the spring 10, and the open slot 2 is sealed, and then the cooling water is injected through the water inlet pipe 15, so that the cooling device cools the strip-shaped plastic product, and through the quick disassembly and assembly mechanism, the open slot 2 can be quickly opened or closed, so as to guide the strip-shaped plastic product to pass through the inside of the cooling box 1.

[0034] Please refer to Figures 1 to 4The first guide wheel 17 is rotatably connected to the inside of the cooling box 1 below the first baffle 13, and the second guide wheel 18 is rotatably connected to the inside of the cooling box 1 above the second baffle 14.

[0035] Working principle: when the cooling device of the plastic extruder is used, as shown in the figure, Figures 1 to 4 The S-shaped flow channel is formed in the cooling box 1 by the first baffle 13 and the second baffle 14, the extruded strip-shaped plastic enters the cooling box 1 through the feeding port 19, moves out of the discharging port 20 after passing through the S-shaped flow channel, and the cooling water enters the cooling box 1 through the water inlet pipe 15, and the heated water flows out of the water outlet pipe 16 after heat exchange. When the cooling box 1 is used, the water temperature of the S-shaped flow channel from the feeding port 19 to the discharging port 20 gradually decreases, so that the strip-shaped plastic can be gradually cooled in the cooling box 1, which not only effectively eliminates the internal stress of the product, but also achieves the effect of slow cooling through a single cooling box 1, reduces the size of the cooling device, and effectively improves the practicability of the cooling device. When the end of the strip-shaped plastic product needs to pass through the inside of the cooling box 1, the push rod 12 drives the clamping block 11 to move out of the clamping groove 7 by overcoming the elastic force of the spring 10, so that the mounting cover 3 drives the sealing plate 4 to move out of the opening groove 2, and the opening groove 2 is opened. After the end of the strip-shaped plastic product passes through the inside of the cooling box 1 through the opening groove 2, the mounting cover 3 drives the sealing plate 4 to be inserted into the opening groove 2, and after the clamping groove 8 is aligned with the clamping groove 7, the push rod 12 is loosened, and the clamping block 11 is inserted into the clamping groove 7 by the spring 10. The opening groove 2 is sealed, and then the cooling water is injected through the water inlet pipe 15 to cool the strip-shaped plastic product. Through the quick disassembly and assembly mechanism, the opening groove 2 can be quickly opened or closed to guide the strip-shaped plastic product to pass through the inside of the cooling box 1.

[0036] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. Cooling device for a plastic extruder, characterized in that Including cooling box (1), the opening groove (2) is set on one side of cooling box (1), the installation cover (3) is arranged on the outside of opening groove (2), wherein, The sealing plate (4) is fixedly connected on one side of installation cover (3) corresponding to opening groove (2), the sealing ring (5) is installed on the outside of sealing plate (4), the installation cover (3) is detachably connected with cooling box (1) through quick disassembly and assembly mechanism, the first baffle (13) and the second baffle (14) are fixedly connected on the inside top and bottom of cooling box (1) respectively at equal intervals; The water inlet pipe (15) is communicated with the lower end of cooling box (1) close to, the water outlet pipe (16) is communicated with the other end of cooling box (1) close to upper side, the feeding port (19) is set on the top of cooling box (1) corresponding to water outlet pipe (16), the discharge port (20) is set on the top of cooling box (1) corresponding to water inlet pipe (15).

2. A cooling device for a plastic extruder as claimed in claim 1, characterized in that: The external dimension of sealing plate (4) is consistent with the internal dimension of opening groove (2), and sealing plate (4) is sealingly connected with the inner wall of opening groove (2) through sealing ring (5).

3. A cooling device for a plastic extruder as claimed in claim 1, characterized in that: The quick disassembly and assembly mechanism includes fixed frame (6), the fixed frame (6) is fixedly connected on both sides of cooling box (1) close to opening groove (2) symmetrically, the clamping groove (7) is set on one side of fixed frame (6) close to opening groove (2), the clamping block groove (8) is set on one side of installation cover (3) corresponding to clamping groove (7), the push rod groove (9) is communicated on the outside of installation cover (3) corresponding to clamping block groove (8), the spring (10) is installed in the inside of clamping block groove (8), the clamping block (11) is installed on the opening side of spring (10) close to clamping block groove (8), the push rod (12) is fixedly connected on one side of clamping block (11) close to push rod groove (9).

4. A cooling device for a plastic extruder as claimed in claim 3, characterized in that: The clamping block (11) is rectangular column, and the external dimension of clamping block (11) is consistent with the internal dimension of clamping groove (7).

5. A cooling device for a plastic extruder as claimed in claim 1, characterized in that: The first guide wheel (17) is rotatably connected in the inside of cooling box (1) corresponding to the lower side of first baffle (13) at equal intervals, the second guide wheel (18) is rotatably connected in the inside of cooling box (1) corresponding to the upper side of second baffle (14) at equal intervals.

6. A cooling device for a plastic extruder as defined in claim 1, characterized in that: The first baffle (13) and the second baffle (14) are arranged in staggered positions, and the spacing between first baffle (13) is equal to the spacing between second baffle (14).

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