KR101036798B1 - A rotate type cutting apparatus for pipe - Google Patents

Abstract

The present invention, the gripping device and the cutting device with a cutting device is moved at the same speed as the extruded tubular body formed and discharged from the extrusion molding device, and the gripping in the cutting mold moving together with the extruded tubular body that is extruded (moved) Provided is a rotary cutting device for an extruded tubular body configured to cut while rotating the periphery of the extruded tubular body by a rotary cutting device in a state in which the extruded tubular body is held by the apparatus.

Rainwater separation pipe. Tube forming device. Cutting device section. Rotary cutting device. Frame. Cutting mold. Support roll. Rotating room. Rotor. Rotator. Gripping device. Phage cancer. Cutting device.

Description

Rotary cutting device for extrusion pipes {A ROTATE TYPE CUTTING APPARATUS FOR PIPE}

The present invention relates to a rotatable cutting device for an extruded tubular body which cuts the cooled extruded tubular body (molded product) by a predetermined length, which is installed at the rear side of the cooling apparatus in an apparatus (system) for extruding the tubular body.

In more detail, the cutting mold moves with the extruded tubular body which is extruded and discharged (moved) and moves the cutting mold equipped with the gripping apparatus and the cutting apparatus at the same speed as the extruded tubular body molded and discharged from the extruder. An object of the present invention is to provide a rotatable cutting device for an extruded tubular body which is cut while rotating the periphery of the extruded tubular body by a rotatable cutting device while the extruding tubular body is held by a gripping apparatus in a mold.

As an example of the tube body extruded by the apparatus (system) for extrusion molding, the 'sewage separation pipe' is illustrated in the 'sewage culvert attachment type sewage sewage separation device' of Korean Patent Registration No. 10-733608.

Referring to FIG. 4, the sewage separation pipe 1 has a long length and a short vertical surface 3 and a short vertical surface 5 formed in parallel at both ends of the bottom surface 2. On the upper end of the long vertical surface (3), the upper surface (4) is formed in parallel with the bottom surface (2), the front end of the upper surface (4) and the upper end of the single vertical surface (5) are integrally connected by the inclined surface (6) have.

Shaped tubular body (cylindrical, polygonal (triangular, square, pentagonal, etc.) such as the sewage separation pipe 1 formed as described above is molded by the tubular molding apparatus 10 as illustrated in FIG.

The tubular molding apparatus 10 includes: an extruder (11) for melting a thermally reversible resin composition (virgin material: parette) supplied through a hopper (11-1) to heat and discharging it to a resin; A molding die assembly 12 for continuously molding the resin supplied from the extruder 11 into an extruded tube 1-1; A molded article shape holding device portion 13 which keeps the shape and shape of the extruded tube 1-1 continuously formed and discharged from the mold die assembly 12; A cooling device unit 14 which completely cools while passing the molded-form holding device 13 and passes through the extruded tube 1-1 whose shape and shape are maintained; A take-out unit 15 for forcibly pulling the extruded tube 1-1 completely cooled through the cooler unit 14; A cutting device unit 16 for cutting the extruded tube 1-1 pulled by the take-out device unit 15 to a predetermined constant length; It is carried out in the order of; the discharge transition device unit 17 for placing and discharging the molded tubular body (1-2) discharged by cutting to a certain length from the cutting device unit 16.

An extrusion molding apparatus similar to the tubular molding apparatus 10 as illustrated in FIG. 5 has a manufacturing process of a synthetic resin tube in Korea Patent Registration No. 10-333038 'Sizing mechanism of the synthetic resin tube'.

The synthetic resin tube is extruded by a die installed at the discharge end of the extruder, the synthetic resin tube is extruded to form a predetermined shape through the sizing apparatus, the vacuum tube filled with a cooling water filled the synthetic resin tube formed in a constant shape through the sizing apparatus Cooled through the tank, the cooled synthetic resin tube is drawn out by the drawer is cut (cut) to the required length by a cutter (cutting machine) to be stacked on the storage.

The conventional cutting device installed in the synthetic resin manufacturing process configured as described above is fixed to the rotary shaft head mounted on the rotary blade head, which is equipped with a motor and detachable from the rotary blade, the rear end of the lever is the same as the cylinder. It is designed to be operated by an actuator. When the actuator (cylinder) is operated while the rotary blade is rotated by a motor, the lever is rolled about the center axis to move the rotary blade head downward to cut the pipe by the rotary blade. It is.

However, since the cutting device is fixed to one side of the pipe to which the cutting device moves, it is easy to cut a small diameter synthetic tube (pipe), but it is almost impossible to cut a large diameter pipe and a large or thick square pipe. Do.

In order to cut large diameter cylindrical pipes and large or thick square pipes as described above, the cutting device is formed relatively large, which increases the volume of the cutting device and limits the size of the rotary blades. Therefore, the cutting device that opens and closes only up and down has a problem in that it is impossible to cut a large cylindrical pipe and a large or thick square pipe.

In addition, since the cutting device is fixed, the fixed pipe can be cut, but the pipe continuously formed and discharged (moved) by the synthetic resin manufacturing device has a problem that cannot be cut.

The present invention is to provide an improved rotary cutting device for an extruded tube to solve the above problems.

The present invention, the gripping device and the cutting device with a cutting device is moved at the same speed as the extruded tubular body formed and discharged from the extrusion molding device, and the gripping in the cutting mold moving together with the extruded tubular body that is extruded (moved) SUMMARY OF THE INVENTION An object of the present invention is to provide a rotary cutting device for an extruded tubular body which is to be cut while rotating the periphery of the extruded tubular body by a rotary cutting device in a state where the extruded tubular body is held by the apparatus.

Another object of the present invention, by cutting while moving the cutting mold equipped with the gripping device and the cutting device at the same speed as the extruded tubular body which is ejected from the extrusion molding apparatus, to continuously mold the extruded tubular body without interruption It is possible to provide a rotary cutting device for an extruded tube which can be easily cut in a molded discharge state.

Still another object of the present invention is to extrude by cutting and holding the extruded tubular body moving by the holding device mounted on the cutting frame while moving the cutting machine provided with the holding device and the cutting device. An object of the present invention is to provide a rotatable cutting device for an extruded molded tube that can easily and accurately cut a molded tube.

Still another object of the present invention is to move the cutting machine provided with the gripping device and the cutting device and to cut the rotary cutting device while cutting the rotary tube around the extrusion tube while holding the extrusion tube, thereby reducing the volume of the cutting device. It is possible to reduce the size, to use rotary blades with small size (diameter), and to make it possible to easily cut large or thick square pipes as well as large diameter pipes (cylindrical pipes). It is to provide a typical cutting device.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects,

The extruded tubular body formed by the extrusion molding apparatus is supported by a guide roll, and the cutting mold provided with the gripping apparatus and the cutting apparatus is moved from the apparatus frame at the same speed as that of the extruded tubular body, and extruded (moved). In the rotary cutting device for holding the extruded tubular body by a gripping device installed at the inlet and the outlet of the cutting mold to move with the extruded tubular body to be cut, while rotating the cutting around the extruded tubular body by a rotary cutting device ;

The holding device is installed at the inlet and outlet of the cutting frame;
A pair of gripping arms provided on both sides of the distribution hole outside the cutting mold;
A gripping cylinder mounted on an upper surface or a bottom of one gripping arm toward the other gripping arm so that a rod is mounted on the bracket of the other gripping arm;
A bracket mounted to the other gripping arm;
It is achieved by the rotary cutting device 20, characterized in that formed by the guide interlocking device for guiding when the gripping arms on both sides are close to each other or spaced at the same time.

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The rotating cutting device for an extruded tubular body according to the present invention moves the cutting mold provided with the gripping device and the cutting device at the same speed as the extruded tubular body molded and discharged from the extruder, and extruded (extruded) The extruded tubular body is gripped by the gripping apparatus in the cutting mold moving together with the molded tubular body, and is cut while rotating around the extruded tubular body by the rotational cutting apparatus.

According to the present invention, the cutting mold provided with the gripping device and the cutting device is cut while moving at the same speed as the extruded tubular body discharged from the extruder, thereby continuously molding the extruded tubular body without interruption, and molding It can be cut easily in the discharged state.

In addition, the present invention, by moving the cutting machine equipped with the gripping device and the cutting device and at the same time holding the extruded tubular body moving by the gripping device mounted on the cutting machine to hold the cut, the extruded tubular body by cutting It can be cut easily and accurately.

In addition, the present invention can reduce the volume of the cutting device by moving the cutting device provided with the gripping device and the cutting device and cutting while rotating the rotary cutting device around the extrusion tube in the state of holding the extrusion tube. It can be used by adopting a rotary blade with a small size (diameter), and can easily cut a large or thick square pipe as well as a large diameter pipe (cylindrical pipe).

These and other objects and features of the present invention will be more clearly understood from the following detailed description based on the accompanying drawings.

1 to 4 is a view showing a specific implementation of the rotary cutting device 20 according to the present invention, Figure 1 is a front view showing a rotary cutting device 20 according to the present invention, Figure 2 to 4 is an exemplary view showing a side view and a cutting device 80 of the rotary cutting device 20 according to the present invention illustrated in FIG.

The rotary cutting device 20 according to the present invention is provided on the upper side of the apparatus frame 21, the apparatus frame 21 for supporting and supporting various devices, which will be described in detail later, guided by guide means and moved by a moving device. Rotor rotating device for rotating (rotating forward and backward) and rotating the rotor 41 provided in the cutting frame 22, the rotor (41) in the center of the disk 41 is rotatably provided ( 50), the holding device 60, which is provided on both sides (inlet and outlet) of the cutting mold 22 to grip the extruded tubular body passing through the double, and the rotor 41 of the cutting mold 22, the holding device ( It was largely divided into a cutting device 80 for cutting the extruded tubular body while rotating the extruded tubular body gripped by 60).

The device frame 21 supporting various devices is formed in a rectangular shape having a flat upper surface, and has a cutting frame 22 having a carrying ring 23 mounted on the upper surface thereof, and guided by a guide means. While being able to move forward and backward in a straight line, the frame 21 is equipped with a forward and backward operation device to move the cutting frame 22 guided by the guide means forward and backward.

The guide means provided between the apparatus frame 21 and the cutting frame 22 fixes the guide rails 25 on both sides of the upper surface of the apparatus frame 21 side by side, and on both sides of the bottom surface of the cutting frame 22. The guide block 26 is mounted at the same interval as the guide rail 25, the guide block 26 is coupled to slide along the guide rail 25.

In the forward and backward operation device mounted on the apparatus frame 21 to move the cutting frame 22 forward and backward, the movement cylinder 27 is mounted on the bottom of the apparatus frame 21, but the rod 27-1 moves in the direction of movement. To the front of the rod 27-1, and the push piece 28 is mounted, and the push piece 28 is fixed to the cutting frame 22 provided on the upper side of the apparatus frame 21 to move the cylinder 27 The cutting frame 22 can be moved back and forth by the forward and reverse operation.

In particular, on the opposite side of the moving cylinder 27, the apparatus frame 21 is equipped with a shock absorber as a shock absorber 29 so as to buffer the moving piece 28.

Although not shown in detail, the forward and backward operation device is mounted to the apparatus frame 21 so that the screw rod can be rotated forward and reverse by the reduction motor, the screw rod is screwed to the nut block fixed to the apparatus frame 21 In combination, by rotating the screw rod in the forward and reverse by the reduction motor can be cut back and forth with the nut block.

The cutting frame 22 provided on the upper side of the apparatus frame 21 was divided into a front cutting frame 22-1 and a rear cutting frame 22-2, and formed integrally, and each front cutting frame 22-1. In the center of the) and the rear cutting frame (22-2) was formed a rotating chamber 40 to mount the rotor 41.

A rotor 41 formed in a disc shape is formed in the rotating chamber 40 of the cutting frame on one side of the front cutting frame 22-1 and the rear cutting frame 22-2, preferably the rear cutting frame 22-2. Rotatingly loaded, a plurality of rotor support rollers 43 are mounted at regular intervals so as to be adjacent to the inner circumference of the rotating chamber 40 to support the outer circumferential surface of the rotor 41 rotating in the rotating chamber 40.

The rotor rotating device 50 for rotating the rotor 41 provided inside the cutting mold 22 was formed as follows.

The reduction motor 52 is mounted on the reduction motor mounting base 51 fixed to the center of the upper surface of the rear cutting frame 22-2, and the starting pulley 53 is mounted on the rotation shaft of the reduction motor 52 and the rotor ( 41) is equipped with an interlocking pulley (not specifically shown), respectively, the maneuvering pulley 53 and the interlocking pulley hang the belt 54 to the forward and reverse operation of the speed reduction motor 52 by the reverse direction of the rotor 41 It can be rotated.

The holding device 60 is provided on both sides (inlet and outlet) of the cutting frame 22, that is, the front surface (inlet) of the front cutting frame 22-1 and the rear surface (outlet) of the rear cutting frame 22-2. The extruded tubular body passing through the distribution hole 42 of the rotor 41 can be gripped in double (front and rear), the holding device 60 was formed as follows.

A pair of gripping arms 70-1 and 70-2 are provided on both sides of the distribution hole 42, and the gripping arms 70-1 and 70-2 are disposed on the top or bottom surface of one of the gripping arms 70-1 and 70-2. The fat cylinder 74 was mounted by the bracket 73 to face the other grip arm, and the bracket 75 was mounted on the other grip arm, and the rod 74-1 of the grip cylinder 74 was mounted on the other grip arm. It was connected to the bracket (75) mounted on the gripping cylinder (74) by the forward and reverse operation so that the gripping arms (70-1) (70-2) can be approached or spaced at the same time.

The holding arms 70-1 and 70-2 on both sides were provided with guide interlocking devices to guide the holding arms 70-1 and 70-2 when the holding arms 70-1 and 70-2 were simultaneously approached or spaced apart.

The guide interlocking device for guiding when the holding arms 70-1 and 70-2 on both sides are simultaneously approached or spaced apart is formed as follows.

A pair of guide rods 61 and 62 are disposed on the outer surfaces of the front cutting frame 22-1 and the rear cutting frame 22-2 at the upper side and the lower side of the gripping arms 70-1 and 70-2. It was installed to be horizontally guided by the guide ring 63, the shaft piece 64 in the center of the guide rods 61 and 62 on one side of the front cutting frame 22-1 and the rear cutting frame 22-2. ), The center of the operating lever 65 is installed as the shaft 66, and the end portions of the guide rods 61 and 62 are formed in each long hole 65-1 formed at both ends of the operating lever 65. Each of the guide rods 61 and 62 mounted at both ends is operated (moved) in directions opposite to each other when the operating lever 65 is operated based on the shaft 66.

The holding rods 70-1 and 70-2 are mounted (fixed) to the guide rods 61 and 62 by mounting means, respectively, and the guide rods 61 and 62 operate in directions opposite to each other. The grip arms 70-1 and 70-2 are simultaneously moved or spaced apart at the same time.

The cutting device 80 mounted on the rotor 41 of the cutting mold 22 and cutting the extruded tube while rotating around the extruded tube held by the gripping apparatus 60 was formed as follows.

On one surface of the rotor 41, the center of the main link 84 is rotatably mounted to the fixed shaft 85, and the motor 82 is mounted at the tip of the main link 84 to replace the cutter 83. The cutter housing 81 was mounted, and the rear end of the main link 84 was connected to the interlocking shaft 89 by a rod of the cutter cylinder 88 mounted on the rotor 41 by the interlocking shaft 89. Although connected, the rod of the cutter cylinder 88 and the rear end of the main link 84 was connected to the interlock shaft 89 by the auxiliary link (86).

In particular, the front end and the rear end of the device frame 21 and the both sides (front and back) of the cutting mold 22 was installed to support the extruded tubular body to be transported by installing the guide roll 30 as a pedestal 31. .

Hereinafter will be described the operation relationship of the rotary cutting device 20 according to the present invention formed as described above.

The rotary cutting device 20 according to the present invention is installed in the cutting device portion 16 of the tube forming apparatus 10 as illustrated in FIG. 6 and is extruded tubular body 1 to be pulled by the take-out device portion 15. -1) is cut to a predetermined constant length.

In the tubular molding device 10 in which the rotary cutting device 20 according to the present invention is installed in the cutting device part 16, the resin supplied from the extruder 11 is extruded while passing through the molding mold assembly part 12. The extruded tubular body 1-1, which is continuously molded into the tubular body 1-1 and continuously molded and discharged from the mold die assembly 12, passes through the molded article shape retaining unit 13, After the shape is maintained, it is completely cooled by passing through the cooling device unit 14 and the extruded tubular body 1-1 to be pulled by the take-out device unit 15 is provided with the rotary cutting device 20 according to the present invention. The cutting device unit 16 is cut to a predetermined length while passing through the cutting device unit 16 to be transferred to the discharge transition unit 17.

When the operation of the rotary cutting device 20 according to the present invention is started, the rod 27-1 of the moving cylinder 27 is introduced into the cylinder so that the cutting frame 22 is drawn in, that is, as shown in FIG. 1. It will operate in the left shifted state.

The extruded tubular body towed by the take-out device part 15 and drawn into the rotary cutting device 20 according to the present invention is drawn in while being supported by the guide roll 30 installed at the tip of the device frame 21 and the tip. The extruded tubular body which is supported by the guide roll 30 of the cutting pipe 30 passes through the distribution hole 42 of the rotor 41 installed in the cutting mold 22 via the guide roll 30 installed at the inlet of the cutting mold 22. In addition, the extruded tubular body passing through the distribution hole 42 of the rotor 41 is supported by the guide roll 30 of the outlet is moved to the discharge transition unit 17.

 When the extruded tubular body passing through the cutting mold 22 is moved by an appropriate length, the moving cylinder 27 is gradually operated to move the cutting mold 22 to the rear side at the same speed as that of the extruded tubular body supplied.

The moving cylinder 27 is gradually operated to move the cutting mold 22 at the same speed as the extruded tube, and the gripping apparatus 60 is operated to grip the extruded tube, and then the rotor rotating device 50 is operated. The rotor 41 is rotated, and at the same time, the extruded tube body in which the cutting device 80 is gripped is cut.

In the state where the holding arms 70-1 and 70-2 are expanded, the holding device 60 mounted on the front side and the back side of the cutting mold 22 operate | moves simultaneously.

When the holding cylinder 74 of the holding device 60 is operated, a rod 74-1 which has been drawn out for a long time is retracted, and when the rod 74-1 is retracted by the operation of the holding cylinder 74, the bracket is retracted. The grip arms 70-1 and 70-2 on both sides connected to the 73 and 75 gripping toward the center to grip both sides of the extruded tube.

As described above, the gripping cylinder 74 of the gripping apparatus 60 operates so that the gripping arms 70-1 and 70-2 grip both sides of the extruded tubular body and at the same time the rotor rotating apparatus 50 operates. The rotor 41 is rotated.

When the deceleration motor 52 of the rotor rotating device 50 operates to rotate the start pulley 53, the rotor 41 on which the belt 54 is engaged also rotates together.

As described above, the reduction motor 52 of the rotor rotating device 50 operates to cut the extruded tubular body in which the cutting device 80 is gripped while the rotor 41 is rotating.

When the rotor 41 is rotated by the operation of the rotor rotating device 50, the motor 82 of the cutting device 80 operates to rotate the cutter 83, and the cutter cylinder 88 operates. The rear end of the main link 84 connected to the interlocking shaft 87 is pushed and rotated. When the main link 84 is rotated about the central fixed shaft 85 by the operation of the cutter cylinder 88, the cutter The housing 81 is moved inside the flow hole 42.

 When the cutter housing 81 is moved to the inside of the distribution hole 42 by the operation of the cutter cylinder 88, the rotating cutter 83 starts to cut the extruded tubular body.

The cutter 83 moves and rotates the cutter housing 81 to the inside of the flow hole 42 by the operation of the cutter cylinder 88, while the rotor rotating device 50 continuously operates while cutting the extruded tubular body. The rotor 41 is rotated to operate, and when the rotor 41 is completely rotated and returned to its original position (position), the extrusion molding apparatus is completely cut by the cutter 83 which moves in rotation.

As described above, the front and rear of the extruded tubular body drawn in (moved) by the gripping apparatus 60 while the cutting mold 22 is gradually moved by the operation of the moving cylinder 27, and the rotor rotating device 50 The extruded tubular body is completely cut by the cutting device 80 while rotating (rotating) the rotor 41.

When the extruded tubular body is completely cut, the cutter cylinder 88 of the cutting device 80 is operated in reverse to move the cutter 83 together with the cutter housing 81 to the outside of the flow hole 42 and at the same time the motor. (82) is stopped, and the holding cylinder 74 of the holding device 60 is operated in reverse to expand the holding arms 70-1 and 70-2 which are collected to release the holding state, and at the same time, The cylinder 27 is operated in reverse to return the cutting mold 22 to its original state (home position).

The rotary cutting device 20 according to the present invention is to cut the extruded tubular body is pulled by the take-out device portion to a predetermined length while repeatedly performing the above process, the extrusion molding cut to a certain length The tube is transferred to the discharge transition unit, which is a subsequent process.

Although the present invention has been described in detail only with respect to the specific examples described, it will be apparent to those skilled in the art that various changes and modifications can be made within the technical scope of the present invention, and such variations and modifications are within the scope of the appended claims.

1 is a front view showing a rotary cutting device according to the present invention.

2 and 3 is an exemplary view of the rotary cutting device according to the present invention illustrated in Figure 1 seen from the right side of the left side.

Figure 4 is an exemplary view showing an extract of the cutting device in the rotary cutting device according to the invention illustrated in FIG.

5 is an exemplary view showing a sewage water separation pipe as an extruded tube formed by a tube forming apparatus.

Figure 6 is a system diagram showing a tube forming apparatus for molding an extruded tube.

Explanation of symbols on the main parts of the drawings

1: Rainwater separation pipe 10: Pipe forming device 16: Cutting device unit

20: rotary cutting device 21: device frame 22: cutting frame

30: guide roll 40: rotary chamber 41: rotor

50: rotor rotation device 60: gripping device 70-1. 70-2: Phagearm

80: cutting device

Claims (12)

delete delete delete delete delete delete delete delete The extruded tubular body formed by the extrusion molding apparatus is supported by a guide roll, and the cutting mold provided with the gripping apparatus and the cutting apparatus is moved from the apparatus frame at the same speed as that of the extruded tubular body, and extruded (moved). In the rotary cutting device for holding the extruded tubular body by a gripping device installed at the inlet and the outlet of the cutting mold to move with the extruded tubular body to be cut, while rotating the cutting around the extruded tubular body by a rotary cutting device ; The holding device is installed at the inlet and outlet of the cutting frame; A pair of gripping arms provided on both sides of the distribution hole outside the cutting mold; A gripping cylinder mounted on an upper surface or a bottom of one gripping arm toward the other gripping arm so that a rod is mounted on the bracket of the other gripping arm; A bracket mounted to the other gripping arm; Rotating cutting device for an extruded tubular body, characterized in that formed with a guide interlocking device for guiding when the grip arms on both sides are close to each other or spaced at the same time. delete The guide interlocking device of claim 9, wherein the guide interlocking device for guiding the grip arms on both sides is approached or spaced at the same time; A pair of guide rods installed to be horizontally guided by guide means on an outer surface of the cutting frame at upper and lower sides of the gripping arm; A shaft piece mounted at the center between the guide rods at one side of the cutting mold; An actuating lever having a center mounted on the shaft piece; Mounting end portions of the guide rods in the respective long holes formed at both ends of the operation levers so that the guide rods are operated in directions opposite to each other based on the axis; Rotating cutting device for an extruded tube, characterized in that for mounting the gripping arm to the guide rod to close or separate the gripping arm at the same time. delete

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