KR101616991B1 - Rubber extruder follow-up cooling dry system - Google Patents

Abstract

The present invention relates to a follow-up cooling and drying system of a rubber extruder and, more specifically, to a follow-up cooling and drying system of a rubber extruder, which can maximize space utilization by significantly shortening cooling and drying time. The system of the present invention comprises: a cooling tank holding an adhesion prevention solution for primarily cooling a rubber chip; a bucket-type transport conveyor; and a cooling dryer where an inlet hole and an outlet hole are inversely formed.

Description

[0001] Rubber extruder follow-up cooling dry system [0002]

The present invention relates to a subsequent cooling and drying system for a rubber extruder, and more particularly, to a cooling and drying time can be drastically shortened, while a cooling and drying system can be provided in a compact configuration to maximize space utilization, And to provide a rubber extruder subsequent cooling and drying system which can be minimized.

As a method of molding a rubber chip used in a rubber mold using a rubber plate on a belt, a rubber plate on a belt is extruded into a rod-like shape like a rice cake using a rubber extruder, cut through a cutter to a suitable size (weight) They are cooled so as not to stick to each other by using a drying system.

In the case of a subsequent cooling and drying system of a rubber extruder, which is generally used, a rubber chip is put into a first tank containing chiller water, and is put into a second tank containing the wearer's liquid in a state of being cooled first, A method in which cold air is showered on a rubber chip is proposed.

However, in the case of the above-described construction, the first water tank and the conveyor are usually provided with a length of 10 m or more, which occupies a lot of installation space and can not be installed in a narrow site. In addition, since it is injected into the conveyor immediately after it is injected into the wearer's liquid, the amount of the wearer's liquid is increased.

On the other hand, as a prior art related to rubber, a sheet rubber drying apparatus and a sheet rubber manufacturing apparatus for a tire having the same disclosed in Korean Patent Publication No. B1- 10-1335242 (Nov. 31, 2013), 10-0403846 A cooling device for a sheet-like rubber material and the like have been proposed. The former is a method in which a rubber sheet coated with a releasing agent is applied to a plurality of rollers to naturally dry the rubber sheet. In the latter, the rubber sheet is spirally moved on a rotating drum, So that they are difficult to apply to the cooling of the rubber chips provided by the present invention.

KR 101335242 B1 2013.11.29. KR 100403846 B1 2003.11.05.

Accordingly, the inventor of the present invention has researched and developed the present invention in order to solve all the problems of cooling and drying a rubber chip extruded from the conventional rubber extruder. In the present invention, the rubber chip, which is provided in a predetermined amount through a rubber extruder, The rubber extruder can be installed in a screw type or drum type dryer using a conveyor in a state of being subjected to a first primary cooling treatment so as to be cooled and dried and to be installed in a narrow space while minimizing the amount of an anti- The present invention has been completed based on the technical problem of the present invention.

According to the present invention,

A rubber extruder subsequent cooling drying system for cooling and drying a rubber chip of a predetermined amount extruded through a rubber extruder; A cooling tank in which a wear-resistant liquid for primary cooling the rubber chips to be cut after extrusion in a rubber extruder is stored; A conveying conveyor of a bucket type for conveying a first cooled rubber chip in the cooling bath; And a cooling dryer in which a discharge hole for discharging the cooling-dried rubber chip and a charging hole for charging the rubber chip transferred by the conveying conveyor are formed opposite to each other; The cooling and drying machine may be configured such that a cover that can be opened and closed is installed on an upper portion of a body formed as a U-shape to be hermetically sealed; The main body is provided with a transfer screw for transferring the rubber chip from the charging hole to the discharge hole so as to be driven by a driving motor provided outside the main body; A cool air supply pipe was connected to the main body or the cover of the cool air dryer to supply cool air supplied from the air conditioner.

A rubber extruder subsequent cooling drying system for cooling and drying a predetermined amount of rubber chips extruded and supplied through a rubber extruder; A cooling tank in which a wear-resistant liquid for primary cooling the rubber chips to be cut after extrusion in a rubber extruder is stored; A conveying conveyor of a bucket type for conveying a first cooled rubber chip in the cooling bath; And a cooling dryer in which a discharge hole for discharging the cooling-dried rubber chip and a charging hole for charging the rubber chip transferred by the conveying conveyor are formed opposite to each other; Wherein the cooling and drying unit is configured to be hermetically closed by providing a cover that can be opened and closed on an upper portion of the body formed as a U-shape; The main body is provided with a transfer screw for transferring the rubber chip from the charging hole to the discharge hole so as to be driven by a driving motor provided outside the main body;

The shaft of the conveying screw is hollow and hollow to form an air discharge hole inside the main body, and a cold air supply pipe is connected to one end of the shaft exposed to the outside of the main body by a swivel to supply cool air supplied from the air conditioner .

A rubber extruder subsequent cooling and drying system for cooling and drying a predetermined amount of rubber chips extruded and supplied through a rubber extruder; A cooling tank in which a wear-resistant liquid for primary cooling the rubber chips to be cut after extrusion in a rubber extruder is stored; A conveying conveyor of a bucket type for conveying a first cooled rubber chip in the cooling bath; And a cooling dryer in which a discharge hole for discharging the cooling-dried rubber chip and a charging hole for charging the rubber chip transferred by the conveying conveyor are formed opposite to each other; Wherein the cooling and drying unit is configured to be hermetically closed by providing a cover that can be opened and closed at an upper portion of the body; A network cooling drum driven by a driving motor provided outside the main body is installed inside the main body; The inner surface of the cooling drum forms a spiral transfer protrusion for transferring the rubber chip from the charging hole to the discharging hole; A cool air supply pipe was connected to the main body or cover of the cooling and drying machine to supply cool air supplied from the air conditioner.

Fourth, a chiller water circulating heat exchanger is installed inside the cooling bath to cool the wearer's wearing solution.

Fifth, a bubble generator is installed in the cooling bath so that the binder mixed in the wearing solution can be continuously mixed without sedimentation.

Sixth, the bucket of the conveying conveyor is formed into L shape, and a drain hole is formed at the corner where the horizontal portion and the vertical portion intersect, so that the wearer's liquid stored in the bucket can be quickly drained to the cooling bath.

Seventh, in the conveying conveyor, a shower rod formed with a nozzle hole so as to be positioned on the upper side of a bucket for conveying a rubber chip is horizontally installed, and a cold air supply pipe is connected to the shower rod, Respectively.

The eccentric screw has a structure in which a transfer blade is spirally coupled to a hollow shaft surface horizontally disposed in the main body, and a stirring plate adjacent to the main body in the axial direction is provided for every pitch of the transfer blade, And stirred.

The following effects can be obtained when the rubber extruder subsequent cooling and drying system provided by the present invention is used.

Since the rubber chip cut to a predetermined size after being extruded from the rubber extruder at a high temperature and supplied and supplied is firstly cooled in the wear resistant liquid and concentrated in the closed cooling drier, the cooling efficiency can be enhanced.

The cooling and drying machine is constituted by a screw type or a drum type, and the rubber chip moving inside moves upside down, so that even cooling can be performed as a whole.

When the rubber chip in the state of being worn with the wearing liquid is moved to the bucket of the conveying conveyer, the air is showered, and the wicking liquid remaining on the surface is removed first, thereby providing to the cooling and drying machine. The loss of the wearing solution can be minimized.

Since the cooling bath is cooled by the heat exchanger provided with the chiller water, the water cooling efficiency is excellent.

Since the bubble generator is provided in an immersed state in the cooling bath, it is possible to prevent the deposition agent from being separated or settled in the wearing solution mixed with water and an anti-corrosive agent, so that the optimum state can be maintained at all times.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a plan view showing a preferred embodiment of a rubber extruder subsequent cooling and drying system provided by the present invention; Fig.
2 is a cross-sectional view of a cooling bath applied to the present invention
Fig. 3 is a side cross-sectional view of the conveyance conveyor applied to the present invention
Fig. 4 is a front section view showing a first embodiment of a refrigeration dryer applicable to the present invention
Fig. 5 is a side sectional view of Fig. 4
6 is a front elevational view of a second embodiment of a refrigeration dryer applicable to the present invention
Fig. 7 is a side sectional view of Fig. 6
8 is a front section view showing a third embodiment of the cooling drier applicable to the present invention
Fig. 9 is a side sectional view of Fig. 8

Hereinafter, an embodiment of a rubber extruder subsequent cooling and drying system provided in the present invention will be described in detail with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view showing a preferred embodiment of a rubber extruder subsequent cooling and drying system provided by the present invention; FIG.

The rubber extruder subsequent cooling and drying system 1 provided in the present invention is a system in which a rubber plate 12 on a sheet is extruded into a rod shape like a rice cake as shown in the figure and the rubber extruder 12 is cut through a cutter 11 to a suitable size The surface of the rubber chip 13 is cooled by primary water cooling treatment of the rubber chip 13 provided in the rubber chip 10 so that the inside heat of the rubber chip 13 is cooled secondarily by using cold air, This is to make it possible to dry the wearing solution used as moisture or primary cooling water.

To this end, in the present invention, a cooling tank 20 containing a wear-resistant liquid is disposed on the side of the rubber extruder 10, and the rubber chip 13, which is cut to a proper size after being extruded, And a conveying conveyor 30 is provided on the opposite side of the rubber extruder 10 so that the rubber chip 13 located in the cooling bath 20 can be transferred to the next process.

The transfer conveyor 30 is provided so as to be inclined upward so that the wearer's liquid can be dripped into the cooling bath 20 while the rubber chip 13 is being transferred. The rubber chip 13 supplied to the conveying conveyor 30 is supplied to the charging hole 41 and is cooled and dried sufficiently in the interior thereof. 41 so that the rubber chip 13 can be transferred to the discharge hole 42. In this case,

2 is a cross-sectional view of a cooling bath according to the present invention.

The cooling tank 20 provided in the present invention is made of stainless steel in consideration of corrosion resistance, and an internal water tank 22 having a mesh shape is installed inside the external water tank 21.

The water collecting panel 23 located at the lower side of the conveying conveyor 30 is integrally formed at one side of the external water tank 21 so as to prevent the discharge of the wearing water dropped from the conveying conveyor 30, The water tank 22 has a wide upper part and a narrower lower part to provide a configuration in which the rubber chip 13 can be guided to the conveying conveyor 30 side.

A bubble generator 25 is installed at the bottom of the external water tank 21 together with a heat exchanger 24.

The chillers of about 5 degrees are circulated in the heat exchanger 24 to keep the wearer's liquid at 30 degrees or less. By supplying the compressed air to the bubble generator 25, So that there is no problem such as adhesion of the adhesive or layer separation in the wearing solution which is constituted by mixing an antifoaming agent with water.

3 shows a side cross-sectional view of a conveying conveyor applied to the present invention.

The conveying conveyor 30 applied to the present invention is constructed such that a bucket 33 is installed at a predetermined interval in a chain 32 driven by a motor 31 so that the lower end of the bucket 33 is opposed to the rubber extruder 10 To be installed.

The horizontal portion 33a and the vertical portion 33b of the bucket 33 are L-shaped, and a side plate 33c is formed on both sides as necessary. A drain hole 33d is formed at a corner where the horizontal portion 33a and the vertical portion 33b of the bucket 33 intersect to allow the wearer's liquid to be quickly discharged to the cooling bath 20 .

The drain holes 33d are formed to be smaller in size than the rubber chips 13 and can form one or more than one. In the present invention, two buckets 33 are formed on the left and right sides of the bucket 33, respectively.

A tubular shower rod 34 is horizontally disposed above the side plate 30a of the frame constituting the conveying conveyor 30 so as not to interfere with the bucket 33. A nozzle hole 34a is formed in the shower rod 34 Air supplied from the cool air supply pipe 35 connected to the shower rod 34 is injected through the nozzle hole 34a so that the rubber chip 13 which is contained in the bucket 33 can be air-showered.

When the air shower is constructed as described above, it is possible to provide the function of separating the wearing liquid adhering to the surface of the rubber chip 13, which is contained in the bucket 33, and is quickly discharged to the drain hole 33d Thus, it is possible to minimize the supply of the wearer's liquid to the later-described cooler / dryer 40, thereby preventing waste of the wearer's wearer.

Meanwhile, the cooling drier 40 according to the present invention may be a screw type or a drum type.

FIG. 4 is a front sectional view showing a first embodiment of a cooling drier applicable to the present invention, and FIG. 5 is a side sectional view of FIG.

The first embodiment of the cooling and drying device 40 includes a main body 43 having a U shape and symmetrical with respect to the main body 43 so as to include a charging hole 41 and a discharge hole 42, To be closed by the cover (44).

The main body 43 is provided with a transfer screw 45 for transferring the rubber chip 13 from the charging hole 41 to the discharge hole 42 so as to be driven by a drive motor 46 provided outside the main body 43 . At this time, the conveying screw 45 has a structure in which the conveying vane 45b is spirally coupled to the surface of a shaft 45a in the form of a hollow (pipe-like configuration) 43 so that the rubber chip 13 is caught between the feed vane 45b and the main body 43 and is not damaged.

A stirring plate 45c is provided adjacent to the main body 43 in the axial direction for every pitch of the feed vane 45b so that the rubber chip 13 can be stirred together with the feed vane 45b.

A cool air supply pipe (47) is connected to the main body (43) or the cover (42) of the cooler dryer (40) to supply cool air supplied from the air conditioner. In the present invention, an example in which the cold air supply pipe 47 is provided on the cover 42 is shown.

When the cooling dryer 40 is constructed as described above, a cold air is provided inside the closed main body 43 to form a chamber filled with cool air. In this state, the feed vane 45b of the feed screw 45 and the stirring plate 45c The rubber chip 13 is cooled rapidly as it moves inside the main body 43. [

Fig. 6 is a front sectional view showing a second embodiment of a refrigerator dryer applicable to the present invention, and Fig. 7 is a side sectional view of Fig.

The second embodiment of the refrigeration dryer 40 applied to the present invention differs from the cold air supply configuration in the construction of the first embodiment.

That is, in the second embodiment, the air discharge hole 45d is formed so as to be located inside the main body 43 on the hollow shaft 45a having an empty interior, and the shaft 45d exposed to the outside of the main body 43 45a are connected to a cold air supply pipe 47 using a swivel 48 to supply cool air supplied from the air conditioner.

In such a configuration, when the cooling dryer 40 is constructed, a cool air is provided inside the closed main body 43 to form a chamber filled with cool air. The air is discharged through the air discharge hole 45d formed in the shaft 45a The cool air that is discharged is directly transferred to the rubber chip 13, thereby providing the function of increasing the cooling efficiency.

FIG. 8 is a front sectional view showing a third embodiment of the cooling drier applicable to the present invention, and FIG. 9 is a side sectional view of FIG. 8.

The third embodiment of the present invention provides a drum type, unlike the screw type provided in the first and second embodiments.

The structure of the cooling and drying machine 40 provided in the third embodiment is such that the support roller 49 is freely rotated toward the bottom inside the main body 43 and the cooling drum 50 is positioned above the support roller 49 do.

A driving gear 52 coupled to a driving motor 46 provided outside the main body 43 is coupled to the driven gear 51 to form a retracted gear 51 on the outer periphery of one end of the cooling drum 50, So that the cooling drum 50 can be driven at a low speed.

The cooling drum 50 has a structure in which a vent hole 50b is formed or a mesh plate is formed by bending and a spiral transfer protrusion (not shown) is provided on the inner surface of the cooling drum 50 to transfer the rubber chip 13 from the insertion hole 41 to the discharge hole 42 50a. At this time, the spiral transfer protrusions 50a are formed to have a dimension larger than the diameter of the rubber chip 13, so that the rubber chip 13 can be moved.

A cool air supply pipe (47) is connected to the main body (43) or the cover (44) of the chill dryer (40) to supply cool air supplied from the air conditioner. And the cold air supply pipe 47 is coupled to the cover 44 as in the first embodiment.

According to the third embodiment, the cold air is supplied to the inside of the closed main body 43 to form a chamber filled with cool air. In this state, the rotation of the cooling drum 50 causes the rubber chip 13) is moved rapidly.

As described above, when the rubber extruder subsequent cooling and drying system (1) provided in the present invention is used, the cooling system (20) and the cooling and drying apparatus (40) are provided in a compact structure, The extruding ability of the extruder can be maximized because the cooling and drying time can be drastically shortened, and the use amount of the retarder can be reduced without loss of the retarder.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of protection of the present invention should not be limited to the described embodiment, but should be determined by the equivalents as well as the claims that follow.

1: Rubber Extruder Subsequent Cooling Drying System
10: rubber extruder 11: cutter
12: Rubber plate 13: Rubber chip
20: Cooling tank 21: External tank
22: inner tank 23: collecting panel
24: heat exchanger 25: bubble generator
30: conveying conveyor
30a: side plate 31: motor
32: chain 33: bucket
33a: Horizontal part 33b: Vertical part
33c: side plate 33d: drain
34: Shower rod 34a: Nozzle ball
35: Cool air supply pipe 40: Cooling dryer
41: input hole 42: exhaust hole
43: main body 44: cover
45: Feed screw 45a:
45b: Feed blade 45c: Stirring plate
45d: air discharge hole 46: drive motor
47: cold air supply pipe 48:
49: support roller 50: cooling drum
50a: Feed projection 51: driven gear
52: drive gear

Claims (8)

A rubber extruder subsequent cooling and drying system (1) for cooling and drying a rubber chip (13) of a predetermined amount extruded and supplied through a rubber extruder (10);
A cooling bath (20) in which a wear-resistant liquid for primary cooling the rubber chip (13) to be cut after extrusion by the rubber extruder (10) is stored;
A transfer conveyor 30 of a bucket 33 type for transferring the rubber chips 13 that have been cooled in the cooling bath 20;
A cooling dryer 40 in which a charging hole 41 through which the rubber chip 13 transferred by the conveying conveyor 30 is inserted and a discharge hole 42 through which the cooled and dried rubber chip 13 is discharged are formed opposite to each other, Including;
The cooling and drying device 40 is configured to be hermetically closed by providing a cover 44 that can be opened and closed on a U-shaped main body 43,
The main body 43 is provided with a transfer screw 45 for transferring the rubber chip 13 from the charging hole 41 to the discharge hole 42 so as to be driven by a drive motor 46 provided outside the main body 43 ;
Wherein a cool air supply pipe (47) is connected to the main body (43) or the cover (42) of the cooling dryer (40) to supply cool air supplied from the air conditioner.
A rubber extruder subsequent cooling and drying system (1) for cooling and drying a rubber chip (13) of a predetermined amount extruded and supplied through a rubber extruder (10);
A cooling bath (20) in which a wear-resistant liquid for primary cooling the rubber chip (13) to be cut after extrusion by the rubber extruder (10) is stored;
A transfer conveyor 30 of a bucket 33 type for transferring the rubber chips 13 that have been cooled in the cooling bath 20;
A cooling dryer 40 in which a charging hole 41 through which the rubber chip 13 transferred by the conveying conveyor 30 is inserted and a discharge hole 42 through which the cooled and dried rubber chip 13 is discharged are formed opposite to each other, Including;
The cooling and drying device 40 is configured to be hermetically closed by providing a cover 44 capable of opening and closing on a U-shaped main body 43,
The main body 43 is provided with a transfer screw 45 for transferring the rubber chip 13 from the charging hole 41 to the discharge hole 42 so as to be driven by a drive motor 46 provided outside the main body 43 ;
The shaft 45a of the conveying screw 45 is hollow and hollow to form an air discharge hole 45d in the main body 43 and a shaft 45a of the shaft 45a exposed to the outside of the main body 43 Wherein the cold air supply pipe (47) is connected to the one end by a swivel (48) to supply cold air supplied from the air conditioner.
A rubber extruder subsequent cooling and drying system (1) for cooling and drying a rubber chip (13) of a predetermined amount extruded and supplied through a rubber extruder (10);
A cooling bath (20) in which a wear-resistant liquid for primary cooling the rubber chip (13) to be cut after extrusion by the rubber extruder (10) is stored;
A transfer conveyor 30 of a bucket 33 type for transferring the rubber chips 13 that have been cooled in the cooling bath 20;
A cooling dryer 40 in which a charging hole 41 through which the rubber chip 13 transferred by the conveying conveyor 30 is inserted and a discharge hole 42 through which the cooled and dried rubber chip 13 is discharged are formed opposite to each other, Including;
The cooling and drying device 40 is configured to be hermetically closed by providing a cover 44 which can be opened and closed at an upper portion of the main body 43;
A network cooling drum 50 driven by a driving motor 46 provided outside the main body 43 is installed in the main body 43;
On the inner surface of the cooling drum (50), a helical transfer protrusion (50a) is formed to transfer the rubber chip (13) from the charging hole (41) to the discharge hole (42); Wherein a cool air supply pipe (47) is connected to the main body (43) or the cover (44) of the cooling dryer (40) to supply cool air supplied from the air conditioner.
The method according to any one of claims 1 to 3,
Wherein a chiller water circulating heat exchanger (24) is provided in the cooling tank (20) to cool the wearer's wearing liquid.
The method according to any one of claims 1 to 3,
A bubble generator (25) is installed in the cooling tank (20) so that the binder mixed in the wearing solution can be continuously mixed without sedimentation.
The method according to any one of claims 1 to 3,
A bucket 33 of the conveying conveyor 30 is formed in an L shape and a drainage hole 33d is formed at a corner where the horizontal portion 33a and the vertical portion 33b intersect to form a bucket 33, So that it can be quickly drained to the cooling tank (20).
The method of claim 6, further comprising:
A shower rod 34 having a nozzle hole 34a formed in the upper portion of a bucket 33 for conveying the rubber chip 13 is horizontally disposed on the side plate 30a of the conveying conveyor 30, Is connected to the cold air supply pipe (35) to remove the wear-resistant liquid adhering to the rubber chip (13) contained in the bucket (33).
The method according to claim 1 or 2,
The feed screw 45 has a structure in which a feed vane 45b is spirally joined to the surface of a shaft 45a in the shape of a hollow in the main body 43. The feed screw 45b is axially connected to the main body 43 in the axial direction for every pitch of the feed vane 45b. Wherein a stirring plate (45c) which is close to the feed screw (45) is provided to stir the rubber chip (13) together with the feed vane (45b).

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