KR20090075350A - Auto cutting machine for rubber hose - Google Patents

Abstract

An auto cutting machine for rubber hose is provided to reduce defective rate by performing a task according to exact control signal of a control part. An auto cutting machine for rubber hose comprises a drive device(1), a cutting part(2) cutting rubber hose passed through a driving unit(11) and a driven unit(12) to an appropriate length; a transferring device(3) delivering the rubber hose into a collecting box; and a control part controlling automatically a series of processes of the driving device, the cutting part, and the transferring device. The driving device comprises the drive device receiving directly the power of the drive motor, supported by a moving frame; the driven part attached to a guide shaft, supported by a stationary frame; a height adjusting device(13) adjusting the gap between the drive part and the driven part by moving up and down the drive part along the guide shaft; and a guide roller(14) directing the rubber hose smoothly between the drive part and the driven part.

Description

Automatic cutting machine for rubber hose {Auto cutting machine for rubber hose}

The present invention relates to an apparatus capable of automatically cutting a rubber hose, and more particularly, to configure a drive unit so that the rubber hose can be drawn in at a constant speed by the drive of the drive motor, the rubber hose The present invention relates to an automatic cutting device for a rubber hose that cuts to a length of a predetermined standard in a cutting part and automatically separates and collects a rubber hose that meets the standard.

In general, the processing of rubber hose is carried out through the extrusion machine, the rough surface removal and the drawing and cleaning by several stages of take-off after the aging of the raw rubber, and the hose is cut with a certain dimension by cutting equipment and loaded as needed. This will be done.

Therefore, in the current processing work, the equipment is configured from the extrusion machine to the cleaning, and continuous flow is produced.However, in the cutting part, the operator adjusts the cutting length manually by the operator and measures the length after the cutting, and finally, for finishing As the air is blown inside the hose, it is generally made in the form of a hand and there is a limit.

In particular, the hose appearance and length due to the difference in skill of the operator have some deficiencies in overall quality, such as some deviations, and great care should be taken.

In order to automate the cutting operation of the rubber hose, various methods have been studied, but recently, a rubber hose inserted into a molding frame into which the rubber hose is inserted is operated to operate a blade by a cylinder to cut the rubber hose. The method can be meaningful for the automation of cutting operations, but since the maximum speed of the cylinder is practically limited, a new technology that can produce a larger volume and lower the defect rate is required.

The present invention has been made to solve the above-mentioned problems, the rubber hose produced by the machining operation by driving the belt-connected pulley by the drive of the drive motor to introduce the rubber hose, the rubber hose to meet the specifications After cutting, a series of processes of separating the rubber hoses according to the standard are automatically performed according to the control signal of the controller.

The automatic cutting device for a rubber hose of the present invention having the above object is supported by a moving frame moving up and down along a pair of guide shafts fixed vertically on the upper part of the workbench, and receiving the direct power of the driving motor. And a driven part fixed to the guide shaft while being supported by a fixed frame at a predetermined distance from the lower side of the drive part, and having the driven part moved up and down along the guide axis. A driving device portion including a height adjusting device for adjusting a gap, and a guide roller which is supported by a support member on the front side of the driven part to guide a rubber hose to be smoothly drawn between the driving part and the driven part;

A cutting part which is formed at a rear part of the driving device part, which is the other side of the guide roller, and cuts the rubber hose passing between the driving part and the driven part to an appropriate size;

A transfer device unit for separating the rubber hose cut to a suitable size from the cutting unit according to a standard and transferring the rubber hose to a collecting box;

Characterized in that it consists of a control unit for automatically controlling a series of processes deployed to the drive unit and the cutting unit and the transfer unit.

The automatic cutting device for rubber hose according to the present invention significantly reduces labor costs because the process of uniformly separating and collecting the rubber hose according to the specification of the rubber hose is introduced and cut and the rubber hose is drastically reduced. As the work is performed according to the signal, the defect rate can be greatly reduced, and the rubber hose is introduced and cut by the driving of the motor capable of high-speed rotation, which is expected to contribute greatly to productivity improvement.

 Hereinafter, the automatic cutting device for a rubber hose of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing an automatic cutting device for a rubber hose of the present invention.

As shown in FIG. 1, the automatic cutting device of the present invention is supported by a moving frame 115 that moves up and down along a pair of guide shafts 131 vertically fixed to an upper portion of the worktable 5 to drive a motor. The guide shaft which receives the direct power of 116 and the guide shaft having the same configuration as the drive unit 11 and supported by the fixing frame 125 at a predetermined distance from the lower side of the drive unit 11 while being guided by the fixing frame 125. A driven part 12 fixed to 131, a height adjusting device 13 for moving the driving part up and down along the guide shaft to adjust a distance from the driven part 12, and the front of the driven part 12; A driving device part 1 composed of a guide roller 14 which is supported by the supporting member 15 on the side and guides the rubber hose 7 smoothly to be drawn between the driving part 1 and the driven part 12;

Cutting part 2 which is formed at the rear part of the driving device part 1, which is the other side of the guide roller 14, and cuts the rubber hose 7 passing between the driving part 11 and the driven part 12 to an appropriate size. )Wow;

A transfer device unit (3) for separating the rubber hose (7) cut to a suitable size from the cutting unit (2) to a size and collecting the rubber hose (7) to the collecting box (6) side;

It is characterized by consisting of a control unit 4 for automatically controlling a series of processes developed by the drive unit 1, the cutting unit 2 and the transfer unit (3).

2 is a partial perspective view showing a drive unit of the automatic cutting device for a rubber hose of the present invention.

The drive unit 1 of the automatic cutting device for a rubber hose of the present invention is vertically along a guide shaft 131 vertically formed while being directly powered by the driving of the motor 116 as shown in FIG. 2. The driving unit 11 and the driving unit 11 which have the same configuration as the driving unit 11 but are separated into the driven unit 12 fixed to the guide shaft 131 at the lower side of the driving unit 11.

And it is divided into a height adjusting device 13 for adjusting the vertical movement of the drive unit (11).

First, looking at the configuration of the drive unit 11 is composed of a moving frame 115 integrally formed with the LM block 132 movable along two guide shafts 131 perpendicular to the upper portion of the work table (5), The driving motor 116 and the driving pulley 111 and the driven pulley 112 driven by the driving motor 116 are supported by the moving frame 115.

As shown in FIG. 2, the driving motor 116 is directly rotated by the driving pulley 111, and the driven pulley 112 is connected to the driving pulley 111 and the belt 114 by a general principle.

An idle pulley 113, which will be described later, is also formed between the main pulley 111 and the driven pulley 112 to support the moving frame 115.

The main pulley 111 and the driven pulley 112 should always be kept tight for this purpose so that the tension of the belt 114 between the main pulley 111 and the driven pulley 112 can be kept tight. The idle pulley 113, which serves as an auxiliary role, is configured as a pair, and the idle pulley 113 is configured to face up and down with the idle pulley 123 of the driven part 12, which will be described later. When the (7) passes between the drive unit 11 and the driven part 12 serves to press the rubber hose (7) with a constant force up and down to prevent the accident that the rubber hose (7) is separated by any chance It also plays a role.

Although the structure of the drive part 11 and the structure of the driven part 12 are the same, the idle pulley 113 of the drive part 11 is a downward direction, and the idle pulley 123 of the driven part 12 is an upward direction by a positional relationship. In contact with the belt 114.

As described above, the lower part of the driving unit 11 passes through the same configuration as the driving unit 11, and is fixed to the guide shaft 131 at a point spaced apart by a fixed distance from the driven unit 12 supported by the fixed frame 125. A series of devices is constructed.

The shape of the moving frame 115 and the fixed frame 125 may have a shape of a rectangular parallelepiped having a right angle and a substantially vertical and horizontal angle.

The vertical distance between the driven part 12 and the driving part 11 is adjusted by the movement of the driving part 11 which is a vertically movable configuration, which adjusts the height of the vertical height of the driving part 11. It can be adjusted by.

Figure 3 is an exemplary view showing a coupling relationship between the shaft bolt and the binding member of the present invention.

The fixing member 136, which consists of a nut 137, which is vertically penetrated to the upper part of two guide shafts 131 vertically formed on the upper part of the work table 5, is fixed, and the fixing member 136 The shaft bolt 133 penetrates the nut 137.

The shaft bolt 133 is formed with a screw thread through which the body 133b penetrates the nut 137 and is coupled to the nut 137, and an upper end of the shaft bolt 133 has a handle for applying rotational force to the body 133b on which the screw thread is formed. While the 133a is configured, the lower end portion is characterized in that the binding protrusion 133c having a relatively larger diameter than the body 133b having a thread is formed.

And while the binding member 134 having a space in which the binding protrusion 133c is sufficiently seated takes the form of enclosing the binding protrusion 133c, the binding protrusion 133c may idle in the space of the binding member 134. It is configured to.

Accordingly, when the handle 133a formed on the upper portion of the shaft bolt 133 is rotated, the nut 137 may be moved upward and downward through the screw thread formed on the body 133b of the shaft bolt 133.

In FIG. 3, the black hatched portion around the binding protrusion 133c becomes a space part.

At this time, since the binding member 134 is coupled to one side of the moving frame 115 by the coupling member 134, the shangdong of the shaft bolt 133 naturally leads to the shangdong of the moving frame 115. .

The moving frame 115 that is moved up and down is guided by the LM block 132 that moves vertically along the guide shaft 131 while one side is coupled to the moving frame 115.

As described above, the moving method of the moving frame 115 may be implemented by various methods, but the example will be described in the present specification.

Figure 4 is a partial perspective view showing only the cutting portion of the automatic cutting device for a rubber hose of the present invention.

As shown in FIG. 4, the cutting part 2 constitutes a cutting knife 22 that rotates about a rotation axis by driving a servomotor in an inner space of the cutting box 21 in which water 8 is accommodated at the bottom. And the MC guide 25 having a through hole 26 formed in the center thereof so that the rubber hose 7 drawn by the driving device can pass through both sides of the cutting box 21 within the rotation radius of the cutting knife 22. ).

The MC guide 25 has a predetermined distance from each other in the internal space of the cutting box 21 and the rubber hose 7 penetrating between the intervals are exposed in the space of the cutting box 21 and the cutting knife ( The rubber hose 7 is to be cut at the gap created between the MC guide 25 by the rotation of 22).

And since the cutting knife 22 is configured to rotate at high speed, if the work is repeated by the high speed rotation, friction heat is generated on the cutting knife 22 due to friction with the rubber hose 7 when the rubber hose 7 is cut. In order to prevent this, the cutting knife 22 cut the rubber hose (7) to cool the friction heat while passing through the water (8) accommodated in the bottom of the inner space of the cutting box (21).

In addition, the water (8) accommodated in the cutting box 21 may prevent the foreign matter is buried in the cutting knife 22 by the rubber hose (7) when cutting the rubber hose (7).

The servomotor and the gear device connected by the servomotor were all accommodated inside the gearbox 24, which is not a detailed description since it is a general technical form.

In addition, the MC guide 25 may be replaced with another MC guide 25 having a through hole 26 in a suitable ratio in preparation for various diameters of the rubber hose 7 to penetrate.

5 is a perspective view showing a cutting knife of the automatic cutting device for a rubber hose of the present invention.

As shown in FIG. 5, the cutting knife 22 of the present invention has a streamlined convex shape of the blade portion so as to be advantageous for cutting the rubber hose 7 due to the rotational movement, and the rear portion of the blade has a rubber hose 7. In order to reduce the contact area, a concave streamline was formed along the shape of the blade portion.

Holes 221 through which the rotating shaft 23 penetrates are formed in the trunk portion of the cutting knife 22, so that the rubber hose 7 can be cut while rotating about the rotating shaft 23 as a central axis.

The material was produced by vacuum heat treatment using high heat steel (SKH 55) to have a heat treatment hardness between HRC 63 and 65.

Figure 6 is a working example of the automatic cutting device for a rubber hose of the present invention.

As shown in FIG. 6, a series of working processes are performed as the rubber hose 7 is guided by the guide roller 14 by the driving of the driving motor 116 in the driving unit 1 as described above. The rubber hose 7 is cut in accordance with the standard defined by the cutting part 2 which is inserted between the belt 114 between the driving part 11 and the driven part 12 of the driving part 1 in the rear part of the driving device part 1. Will be.

And the rubber hose (7) cut according to a predetermined standard is to be transported to the collection box (6) which can be separated and collected according to the standard by the transfer unit (3).

The conveying unit 3 is equipped with a plurality of air injection nozzles 33 which spray the air at one side of the conveyor 31 so as to be spaced at equal intervals so as to face the upper surface of the conveyor 31. 7) is configured to detect the passing sensor 32.

The sensor 32 detects the rubber hose 7 passing through the upper end of the conveyor 31 and sends a signal to the control unit 4, and the rubber hose passing through the upper end of the conveyor 31 according to the signal of the control unit 4. Air is injected into the air through the air spray nozzle 33 as shown in the arrow (7), in this case according to the length of the rubber hose (7) in accordance with the control signal of the control unit 4 as many air spray nozzles (33) The rubber hose 7 slides into the collection box 6 by the inclined plate 34 formed on the side surface of the conveyor 31 by injecting air into the rubber hose 7 by operating the rubber hose 7 having the same size. Will be collected in one place.

If the length of the rubber hose 7 is short, the air spray nozzle 33 is not operated and the rubber hose 7 is sent to the collection box 6 located at the end of the conveyor 31.

All of the above-described series of work processes are all operated according to the control signal of the controller 4.

1 is a perspective view showing an automatic cutting device for a rubber hose of the present invention.

Figure 2 is a partial perspective view showing a drive unit of the automatic cutting device for a rubber hose of the present invention.

Figure 3 is an exemplary view showing a coupling relationship between the shaft bolt and the binding member of the present invention.

Figure 4 is a partial perspective view showing only a cutting device portion of the automatic cutting device for rubber hose of the present invention.

5 is a perspective view showing a cutting knife of the automatic cutting device for a rubber hose of the present invention.

Figure 6 is a working example of the automatic cutting device for a rubber hose of the present invention.

<Code Description of Main Parts of Drawing>

1. Drive unit 2. Cutting unit 3. Transfer unit

4. Control Unit 5. Working Table 6. Collection Box

7. Rubber hose 8. Water

11. Drive 12. Driven 13. Height Adjustment

14. Guide roller 15. Support member

21. Cutting box 22. Cutting knife 23. Shaft

24. Gearbox 25. MC Guide 26. Through Hole

31. Conveyor 32. Sensor 33. Air Spray Nozzle

34. Inclined Plate

111. Judong pulley 112. Follower pulley 113. Children pulley

114. Belt 115. Moving frame 116. Drive motor

123. Idle pulley 125. Fixed frame

131. Guide Shaft 132.LM Block 133. Shaft Bolt

134. Binding members 135. Coupling members 136. Fastening members

137.Nuts

133a. Handle 133b. Body 133c. Binding protrusion

221.Hall

Claims (7)

In the device for cutting rubber hose, A driving unit 11 supported by a moving frame 115 moving up and down along a pair of guide shafts 131 vertically fixed to an upper portion of the work table 5 to receive direct power of the driving motor 116; The driven part 12 having the same configuration as that of the driving part 11 and fixed to the guide shaft 131 while being supported by the fixing frame 125 at a predetermined distance from the lower side of the driving part 11, A height adjusting device 13 for moving the driving part up and down along the guide shaft to adjust a distance from the driven part 12 and a support member 15 in front of the driven part 12 are supported by the driving part ( A driving device portion 1 composed of a guide roller 14 for guiding the rubber hose 7 to be smoothly drawn between 1) and the driven portion 12; Cutting part 2 which is formed at the rear part of the driving device part 1, which is the other side of the guide roller 14, and cuts the rubber hose 7 passing between the driving part 11 and the driven part 12 to an appropriate size. )Wow; A transfer device unit (3) for separating the rubber hose (7) cut to a suitable size from the cutting unit (2) to a size and collecting the rubber hose (7) to the collecting box (6) side; Auto-cutting device for a rubber hose, characterized in that consisting of a control unit (4) for automatically controlling a series of processes deployed to the drive unit (1) and the cutting unit (2) and the transfer unit (3). The method of claim 1, The driving unit 11 is a driving pulley 111 directly receiving the power of the drive motor 116, the driven pulley 111 and the driven pulley 112 is connected to the belt 114 and receives the power, The idle pulley 113 is configured between the main pulley 111 and the driven pulley 112 to keep the tension of the belt 114 tight by pressing the belt 114, and the enumeration. Automatic cutting device for rubber hose, characterized in that consisting of a moving frame 115 of the rectangular parallelepiped supporting one device. The method of claim 1, The height adjustment device 13 is a polyhedral fixing member 136, the nut 137 is configured on the upper portion of the guide shaft 131, and penetrates the nut 137, the upper end for applying rotational force The lower end of the handle 133a has a shaft bolt 133 composed of a binding protrusion 133c having a relatively longer diameter than the threaded body 133b, and the binding protrusion 133c formed at the lower end of the shaft bolt 133. A binding member 134 for binding, a coupling member 135 for coupling the binding member 134 to the moving frame 115, and the moving frame 115 with one side fixed to the moving frame 115. The LM block 132 is guided to move up and down along the guide shaft 131, and is coupled to the lower end of the shaft bolt 133 by rotating the shaft bolt 133 by the rotational force of the handle (133a). Automatic cutting for rubber hose, characterized in that the movable frame 115 can be moved up and down Value. The method of claim 3, wherein The binding member 134 has a space in which a binding protrusion 133c formed at a lower end of the guide shaft 131 is inserted and seated therein, so that the binding protrusion 133c is not separated from the space portion. Automatic cutting device for rubber hose, characterized by the ability to idle idling. The method of claim 1, The cutting part 2 has a cutting box 21 for receiving a predetermined amount of water therein, and a rubber hose 7 introduced by the driving unit 1 at both sides of the cutting box 21 to be penetrated. The MC guide 25 having the through hole 26 formed therein and the rubber hose 7 penetrating the MC guide 25 are rotated about the rotational axis by driving the servomotor. Automatic cutting device for a rubber hose, characterized in that consisting of a cutting knife 22 to cut the. The method of claim 5, The MC guide 25 is an automatic cutting device for a rubber hose, characterized in that replaceable with the MC guide 25 having a through hole 26 of a suitable size according to the diameter of the rubber hose (7). The method of claim 1, The conveying device part 3 is a conveyor 31 for conveying the rubber hose 7 in one direction by a kind of power device, and the rubber hose 7 which is cut and configured by one side of the conveyor 31 passes. A detection sensor 32 for detecting the air and an air injection nozzle configured to have the same interval along the conveyor 31 to inject air by the control signal of the controller 4 receiving the signal of the detection sensor 32 ( 33) Automatic cutting device for rubber hose characterized by consisting of a plurality.

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