KR20180003255A - Trimming device for rubber - Google Patents

Abstract

The present invention provides a rubber trimming device having a mist sprayer, which trims the edge of a rubber product, comprising: a frame; a drum fixated inside the frame and having an opened upper portion; a rotating plate installed inside the drum and rotated; an upper door provided on an upper portion of the drum to open and close the drum; and a lower door opened and closed on one side of a lower portion of the drum. The rubber trimming device further comprises: a tank installed to be connected to the drum by a first hose, and having a liquid stored therein; an air supply unit installed to be connected to the first hose by a second hose, and allowing the liquid in the tank to be sucked and sprayed into the drum by air supply; and a mist sprayer including an electronic valve installed in the second hose.

Description

Trimming device for rubber < RTI ID = 0.0 >

The present invention relates to a rubber warper equipped with a mist sprayer for trimming an edge by rotating a rubber article to spray a liquid inside the rubber article to prevent friction between the rubber articles and to improve lubrication.

A finished rubber product can be obtained by removing the bur of the molded rubber product in a rubber molding machine. In order to remove burrs of such rubber products, conventionally, they have been manually operated.

In recent years, rubber warp knitting machines capable of automatically removing burrs of rubber products have been introduced, and a technology for such products has been disclosed in Korean Utility Model No. 20-0477399 entitled " Automatic Edge Trimming Device for Rubber Products " .

The operation principle is a method of separating the bur and the molded rubber product using the aerodynamic principle in addition to the rotational force to rotate inside the chamber part (corresponding to the drum in the present invention).

1, a rubber product automatic edge trimming apparatus includes a machine frame 1, a control panel 4 provided on one side of the upper surface of the machine frame 1, a control panel 4 in the machine frame 1, A power bracket (6) welded to the inside of the other end of the device frame so as to form an angle with the horizontal direction of the device frame, and a burr removing device installed on the cylinder bracket, The burr removing device includes a cylinder, a pulley device installed at a central position of the cylinder bottom plane, and a rotating plate installed inside the cylinder at the top of the pulley device. The cylinder includes an upper cylinder 21 and a lower cylinder 22 communicating with each other, and the side surface of the upper cylinder 21 is perpendicular to the horizontal direction of the machine frame 1. The side surface of the lower cylinder 22 forms an acute angle with the vertical direction of the machine frame 1, that is, it is inclined at an acute angle toward the machine frame inner direction. An opening is provided in a side surface of the lower cylinder 22, and an air-driven discharge door is provided in the opening, and the pneumatic discharge door is hinged to the opening. Preferably, the hinge member is mounted on the top of the opening. And an extraction notch is provided outside the air-driven discharge door.

Conventionally, the automatic edge trimming device for a rubber product is such that a rubber product is inserted into a cylinder, and the edge of the rubber product is cut by the high-speed rotation of the rotary body so as to be able to be shifted.

However, the higher the speed of the slider is, the more the edge is trimmed. However, the friction between the rubber products increases due to the high rotation speed of the slider, thereby causing scratches and increasing the defect rate.

KR 20-0477399 Y1

SUMMARY OF THE INVENTION It is an object of the present invention to provide a rubber mover having a mist sprayer capable of minimizing friction between rubber products when the rubber product is wound by high-speed rotation.

According to an aspect of the present invention, A drum fixed inside the frame and having an upper portion opened; A rotating plate installed inside the drum and rotated; An upper door provided on the drum and opened and closed; And a lower door which is opened and closed at one side of the lower portion of the drum, wherein the rubber sparger is provided with a tank connected to the drum by a first hose and having a liquid therein, An air supply unit installed to be connected to the first hose by a second hose so that the liquid in the tank is sucked by the air supply to be sprayed into the drum; and a mist sprayer composed of an electromagnetic valve installed in the second hose And a rubber sprayer provided with a mist sprayer.

According to the present invention having the above-described configuration, the following effects can be expected.

First, the rubber lubricant is sprayed into the drum in a mist manner, so that it can be uniformly applied over the entire rubber product in a short time.

A block is installed inside the drum to collide with the rubber product during rotation, thus shortening the time required for rubber molding. In addition, when the block is coupled to the inside of the drum, the bolts are combined so as not to be exposed, so that the robustness is increased and the bolt is not detached.

Further, it is possible to judge that the lower door is closed, and operate so that the rubber product mapping can be performed, thereby preventing defective mapping.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exemplary view of a conventional rubber product automatic edge trimming apparatus.
2 is a block diagram of a rubber skimmer equipped with a mist sprayer according to an embodiment of the present invention.
Figure 3 shows a liquid flow diagram of the mist sprayer.
Figure 4 shows the drum detail in Figure 2;

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

2 is a block diagram of a rubber skimmer equipped with a mist sprayer according to an embodiment of the present invention.

2, the structure of the present invention includes a frame 100, a drum 200, a rotating plate 300, an upper door 400, a lower door 500, and a mist sprayer 600.

The frame 100 is formed in a hexahedron shape so that the drum 200, the rotary plate 300 and the upper door 400 are installed and the lower door 500 is installed in the drum 200.

The drum 200 is fixed to the inside of the frame 100 by insertion of a rubber product therein.

Here, the drum 200 is formed into a cylindrical shape having an open top, and is communicated with the upper surface of the frame 100, and rubber products can be introduced into the drum 200 from the upper part of the frame. A slot is formed in the upper side of the drum 200 in the horizontal direction and the upper door 400 is installed in the slot so that the upper door is inserted into the drum 200, So that the upper part can be opened and closed.

The inner circumferential surface of the drum 200 is provided with a ring 220 below the slot to prevent the rubber product, which is rotated inside the drum, from moving to the slot and the upper door gap. The ring is made of plastic material (MC, PE series, etc.) and can be made of rubber or synthetic rubber material besides plastic material. Here, the ring was formed in a multi-stepped shape in which the inner upper portion protruded from the circular ring. In addition, any shape such as triangular or circular in cross section is possible.

The lower surface of the drum 200 is formed to be inclined, and the lower door 500 is installed to discharge the rubber product along the inclined direction to the lower side.

The rotating plate 300 is installed on the inner surface of the drum 200 so as to be aligned with the inclined surface of the drum 200 and is rotated by being interlocked with the motor.

Here, the rotation of the rotary plate 300 causes the rubber product inserted into the drum 200 to rotate, and thus the image is formed. The rubber product idea means trimming the edge of the rubber product.

The upper door 400 is moved in and out of the drum through a slot formed on the upper side of the drum 200. The upper door 400 is connected to the cylinder device and is reciprocated left and right to insert a rubber product The upper portion of the drum 200 can be opened and the drum 200 can be clogged.

The lower door 500 is connected to the drum 200 by a hinge so as to be rotatable up and down. Here, the lower door is connected to the cylinder device, and the rod can open the lower door by the pressure of the fluid in the cylinder, thereby opening the lower door.

The above is known in the prior art, and the mist sprayer 600 has a constitutional feature that prevents the friction between the rubber products in the above-described constitution of the present invention.

Here, the mist sprayer 600 sprays liquid into the drum 200 to minimize the occurrence of friction between the rubber products.

The mist sprayer 600 mainly comprises a tank 620, an air supply unit 640, and an electromagnetic valve 660.

In more detail, the tank 620 may store a liquid and may be connected to the drum 200 by a first hose to supply liquid into the drum 200.

In the present invention, a water nozzle 622 and a silicon liquid nozzle 624 are separately provided to store water and liquid silicone in the tank, respectively, so that the water (liquid) 200). Therefore, water or a silicon liquid can be selectively sprayed into the drum. Depending on the use of the rubber product, various liquids other than water or a brightener may be injected into the tank.

3, the air supply unit 640 is connected to the first hose by a second hose so that the air is moved from the second hose to the first hose, and by the pressure difference due to the air injection, The liquid in the tank 620 is sucked into the first hose and injected into the drum.

Here, the second hose may be provided with an electromagnetic valve 660 to prevent the liquid from flowing back to the second hose side or the air blown from the air supply unit 640 backward.

The second hose is further provided with a control valve 680 between the electromagnetic valve 660 and the air supply unit 640 for controlling the pressure of air injected from the air supply unit 640. do.

The control valve 680 controls the air pressure to be injected into the air supply unit 640. The control valve 680 may control the air pressure to be supplied to the air supply unit 640 by varying the size of the chamber or the amount of the rubber product introduced into the chamber, The pressure of the regulating valve 680 can be regulated and used when the amount is different by the supplied pneumatic equipment.

Referring to FIG. 4, the present invention is further characterized in that a block 700 for inducing a collision with a rubber product is further installed.

The block 700 is provided with a block 700 for inducing collision with a rubber product on the inner side of the drum 200 and / or the upper surface of the rotary plate 300. In the present invention, And the rotary plate 300, respectively.

The block 700 includes a bolt 740 formed at one side thereof with a fastening groove 720 to closely contact the inner surface of the drum and / or the upper surface of the rotary plate, and penetrate through the drum and fasten to the fastening groove of the block The block can be easily installed inside the drum and the robustness can be improved.

The drum 200 is further provided with an air injector 800 installed inside the drum 200 to inject air toward the lower door. The rubber product that has been subjected to the air jetting is moved toward the lower door 500 And can remove foreign matter.

Here, the drum 200 and the rotary plate 300 are anodized and solidified. The reason is that scratches are generated on the inner surface of the drum due to friction with the rubber product rotating at a high speed by the rotary plate, thereby preventing foreign matter from being buried in the rubber product.

2, the drum 200 further includes a sensor for detecting that the lower door is closed, and a controller for receiving the information of the sensor and transmitting rotational power of the rotary plate when the lower door is closed. (900) is further provided.

Here, the controller 900 can control the operation of various devices, and can rotate the rotation plate 300, move the upper door 400, and control the operation of the lower door 500.

The drum 200 further includes a guide tube 122 protruding in a cylindrical shape so as to communicate with the lower door 500. A transparent foldable door 120 is further formed on the guide tube 122 .

Here, the opening and closing states of the inside of the guide case 122 and the lower door 500 can be confirmed through the folding type door 120.

A vertical frame 140 on which a board iron plate 142 is installed on a rear side of the frame 100 and a horizontal frame 160 on which a lamp 162 is installed on the vertical frame.

By forming the board steel plate 142, the work instruction sheet can be attached by the magnet, and the light source can be illuminated by the electric lamp 162 to improve the working environment.

As described above, it can be seen that the present invention is based on the technical idea of providing a rubber sprunger equipped with a mist sprayer. Within the scope of the basic idea of the present invention, Of course, many other variations are possible.

100: frame 122: guide tube
120: Folding door 200: Drum
300: spindle 400: upper door
500: Lower door 600: Mist sprayer
620: tank 640: air supply unit
660: Electronic valve 680: Regulating valve
700: Block 720: Fastening groove
740: Bolt 800: Air Injector
900: controller

Claims (11)

A frame 100; A drum 200 fixed inside the frame and having an upper portion opened; A rotating plate 300 installed inside the drum and rotated; An upper door 400 provided on the drum and opened and closed; And a lower door (500) which is opened and closed at one side of the lower portion of the drum. The rubber warper is equipped with a mist sprayer for trimming the edge of a rubber product,
A tank 620 connected to the drum 200 by a first hose to store a liquid therein and a second hose connected to the first hose by means of an air supply to suck the liquid in the tank, Further comprising a mist sprayer (600) comprising an air supply unit (640) for spraying air into the drum, and an electromagnetic valve (660) installed in the second hose. The method according to claim 1,
In the second hose,
Further comprising a control valve (680) for controlling the pressure of air injected from the air supply unit. The method according to claim 1,
The liquid,
Water, liquid silicone, or a polish agent. The method according to claim 1,
On the inner surface of the drum 200 and / or the upper surface of the rotary plate 300,
And a block (700) for inducing collision with the rubber product is installed. 5. The method of claim 4,
The block 700 includes a bolt 740 formed at one side thereof with a fastening groove 720 to closely contact the inner surface of the drum and / or the upper surface of the rotary plate, and penetrate through the drum and fasten to the fastening groove of the block Wherein the rubber mist sprayer is equipped with a mist sprayer. The method according to claim 1,
In the drum 200,
Further comprising an air injector (800) installed inside the lower door so as to inject air into the lower door. The method according to claim 1,
The drum (200) and the rotary plate (300)
And an anodizing plating treatment is applied to the rubber sprayer. The method according to claim 1,
In the drum 200,
Further comprising a sensor for sensing that the lower door is closed, and a controller (900) for receiving the information of the sensor and transmitting rotational power of the rotary plate when the lower door is closed. . The method according to claim 1,
On the outer side of the drum 200,
Wherein a guide barrel (122) protruding in a cylindrical shape to communicate with the lower door is further provided, and a transparent foldable door (120) is further formed at the upper portion of the guide barrel. The method according to claim 1,
Above the frame 100,
And a vertical frame (140) on which a board iron plate (142) is installed on the rear side and a horizontal frame (160) on which an electric lamp (162) is installed above the vertical frame . The method according to claim 1,
The drum 200 is formed with a slot at its upper side,
The upper door 400 is slid through the slot to open and close the upper portion of the drum,
Wherein a ring (220) is provided on an inner circumferential surface of the drum (200) so as to prevent a rubber product, which is rotated inside the drum, from moving to the slots and the upper door clearance. Mapping machine.

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