KR20110122540A

KR20110122540A - Apparatus for expanding pipe

Info

Publication number: KR20110122540A
Application number: KR1020100042106A
Authority: KR
Inventors: 이재영
Original assignee: 이재영
Priority date: 2010-05-04
Filing date: 2010-05-04
Publication date: 2011-11-10
Also published as: KR101184106B1

Abstract

PURPOSE: A pipe expansion device is provided to smoothly and automatically implement all processes including the feed of pipes and to enable precise processing of a pipe by fixing the pipe in an accurate position. CONSTITUTION: A pipe expansion device comprises a feed pipe(10) which is vertically installed on a bed(3) of a processing device to stack a plurality of pipes(2) and has a top inlet and a bottom outlet, a guide support plate(20), a holder block(30), a processing tool(40) which is installed on the upper side of a pipe located in a processing position by the holder block and widens the inner diameter of the pipe by moving up and down, and a discharge line(50) which guides the pipe expanded by the processing tool to the outside of the guide support plate.

Description

Apparatus for expanding pipes

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for processing pipes, and more particularly, to an expansion processing apparatus for pipes, in which pipes to be processed are automatically and smoothly placed so that the pipes to be processed are placed at the correct positions, thereby reducing processing errors.

As a method for expanding the pipe of the short pipe type that is generally used in automobile parts or industrial products, it adopts the molding method by casting. However, the above method has a hassle to produce a die and a casting according to the size and shape required by the product, because the production of the die and the mold work, and the economic process is inferior because of the same process for the small quantity production This complex and the consumption of manpower was a big problem. Therefore, this caused not only a problem of productivity loss, but also a delay in production time and a poor working environment.

Thus, a method of processing a pipe of a short pipe type manufactured using a machine tool such as a lathe or a press was used. However, the above method is performed by fixing only one pipe to a fixed die that holds a product such as a lathe or a press, and then removing it after work. There is a problem that is lacking and can even lead to worker's risk.

The present invention has been invented to solve the problems of the prior art as described above, the supply of pipes and all the processes are automatically made smoothly and the pipe to be processed to be processed in a fixed state in a fixed position to precisely process the processing precisely It relates to a pipe expansion processing apparatus that can be made.

In order to realize the above object, the present invention is a processing device for expanding the pipe of the short pipe form by the processing tool which is moved up and down, vertically fixed on the bed of the processing device and the inlet is provided on the top A supply pipe having a discharge port provided at a lower portion thereof, a plurality of pipes stacked thereon, a guide support plate installed at a lower side of the supply pipe and seated on a pipe and fixedly installed on a bed to extend to a pipe processing side, and installed at an upper side of the guide support plate. And the first actuator and the first guide rail is installed on the bed by the first guide rail, the lower stage for reciprocating the pipe processing side is installed and connected to the upper side of the lower actuator second actuator and the second guide rail installed on both sides The upper stage is installed and moved to the center side by the discharge from the supply pipe is seated on the guide plate The holder gripping the pipe is transferred to the processing side, but a plurality of holders are continuously spaced apart in the direction of movement of the pipe, and is installed on the upper side of the pipe located at the processing position through the holder block and the diameter larger than the inner diameter of the pipe It is formed and provided to operate the pipe up and down while expanding the inner diameter of the pipe, and the expansion pipe processing apparatus comprising a discharge line for guiding the pipe expanded by the processing tool to be discharged to the outside of the guide plate.

The pipe expansion processing apparatus according to the present invention thus constructed has the advantage that the supply of the pipe and all the processes are automatically and smoothly because the pipe is fed one by one to be moved to the processing side and expanded pipe processing.

In addition, it is precisely gripped by the holder block having the grip part sized to the outer diameter of the supplied pipe and positioned at the correct machining position. The double safety device and the stopper provide the advantage of expansion pipe work in a more reliable position. There is this.

1 is an overall perspective view of an apparatus for expanding pipe processing according to the present invention;
Figure 2 is a perspective view of the overall configuration of the present invention,
3 is a side cross-sectional view of the present invention;
4a to 4c is a use state diagram of the present invention,
Figure 5 is a side view of another embodiment according to the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 4C, the pipe expansion processing apparatus according to the present invention includes a supply pipe 10 in which a pipe 2 of a single pipe form is stacked, and a pipe 2 is provided at a lower side of the supply pipe 10. The guide support plate 20 to be seated, the holder block 30 is installed on the upper side of the guide support plate 20 to hold the pipe 2, and the pipe 2 held by the holder block 30 to expand the pipe It consists of a processing tool 40 and a discharge line 50 through which the pipe 2 is discharged.

The pipe expansion processing apparatus according to the present invention is an apparatus for expanding the pipe (2) in the form of a short pipe by a processing tool that is moved up and down, but can be made while expanding the processing as well as the processing tool up and down. All processing is possible.

The supply pipe 10 is fixed to the vertically installed on the bed (3) working table as shown in Figure 1, is formed in the form of a pipe is configured to be provided with an inlet 11 in the upper portion and the discharge port 12 in the lower portion . The supply pipe 10 is formed to have a length sufficient to stack a plurality of pipes in the form of a single pipe into which it is introduced, and may be configured to extend the supply line as necessary to be stacked in more quantities.

In addition, the operator can manually input the pipe 2 into the supply pipe 10, but the automatic supply is made by installing a supply line in which the pipe 2 is automatically supplied to the upper side of the inlet 11 of the supply pipe 10. Can be configured.

On the side of the supply pipe 10, it is advantageous to form the observation portion 15 in the form of a long hole in the longitudinal direction so that the remaining quantity of the supply pipe 10 can be grasped at a glance.

The guide plate 20 is installed on the lower side of the supply pipe 10, that is, the discharge port 12 side is installed so that the pipe (2) is seated. The guide plate 20 is installed perpendicular to the feeding direction of the pipe 2, that is, horizontally with the bed 3, is fixedly installed on the bed 3, and extends to the processing side of the pipe 2.

The upper surface of the guide plate 20 is installed spaced apart from the outlet 12 of the supply pipe 10, wherein the separation distance is longer than one length of the pipe (2) and shorter than two lengths of the outlet 12 of the supply pipe (10) The pipe (2) seated on the guide support plate 20 through the () is moved from the guide support plate 20 so that there is no obstacle caused by the jam. In addition, the guide plate 20 is spaced apart from the bed 3 so as to secure a space therebetween.

The holder block 30 installed on the upper side of the guide support plate 20 is a means for holding the pipe 2 located on the guide support plate 20 through the supply pipe 10 to transfer to the processing side.

The holder block 30 is formed to be separated on both sides so that the pipe 2 can be gripped on both sides, and the grip portion 39 is formed in an arc shape to surround the outer circumferential surface of the pipe 2 in a circular shape. At this time, the holding portion 39 is formed in a plurality of continuous spaces in consideration of the movement and workability of the pipe (2). In addition, the grip portion 39 is preferably made of a synthetic resin because it should not damage the surface of the pipe (2) which is a metal material.

The holder block 30 repeats the above operation of holding the pipe 2 discharged from the supply pipe 10 and transferring the pipe 2 to the processing side. For this operation, the first actuator 31 and the second The actuator 32 is installed, and the holder block 30 is separated and connected to the lower stand 30b operated by the first actuator 31 and the upper stand 30a operated by the second actuator 32. Is installed.

The first actuator 31 is installed on the bed 3 and is positioned at the position where the holder block 30 can be moved forward and backward in the moving direction of the pipe 2 at any position near the holder block 30. Is installed. At this time, the first actuator 31 is installed in the lower space of the guide support plate 20 is preferably installed on the center side of the lower stand 30b of the holder block 30, the lower stand 30b is operated It is stably moved along the first guide rail 33 on the bed (3) installed in the lower side in the longitudinal direction.

On the upper part of the lower base 30b, the second guide rails 34 are installed at both front and rear sides in a vertical direction with the first guide rails 33 installed on the bed 3. The upper stand 30a of the holder block 30 is guided along the second guide rail 34, and a second actuator 32 for operating the upper stand 30a is fixedly installed on the lower stand 30b. do.

The second actuator 32 is installed to be operated in the same direction as the second guide rail 34 to operate to advance and retract the upper base 30a of the holder block 30, so that the holding portion 39 installed on the upper base 30a. The pipe 2 is gripped to move.

The first actuator 31 and the second actuator 32 is repeatedly moved and gripped by the pipe 2, the first actuator 31 and the second actuator 32 and the third actuator to be described later 61 may be formed in various configurations, such as a hydraulic cylinder, a pneumatic cylinder, an electric cylinder.

On the other hand, the processing tool 40 for expanding the inner diameter of the pipe (2) is installed on the upper side of the pipe (2) located in the working position by the operation of the holder block (30). The processing tool 40 is formed to a diameter larger than the inner diameter of the pipe 2 and is operated up and down to expand the pipe 2.

At this time, the processing tool 40 is to be configured to be more precise and accurate by expanding the processing tools (40a to 40d) arranged so that the diameter gradually increases as the position of the pipe (2) is moved to the front side as shown in FIG. Can be.

In addition, the processing tool 40 may be configured to enable all processing that can be made as well as the expansion pipe processing described above as the processing tool is moved up and down.

The discharge line 50 is installed on the outer end side of the guide plate 20 so that the pipe 2 expanded by the processing tool 40 is discharged. The discharge line 50 is generally installed by applying a downwardly inclined plate so that the pipe 2 slides down to the outside and may be configured in various other dischargeable structures.

As shown in FIGS. 4A to 4C, when the pipe 2 gripped by the holder block 30 is expanded by the processing tool 40, the holder block 30 is opened and the machined pipe 2 is opened in place. The retreat is left as it is, and the retracted pipe 2 discharged through the supply pipe 10 is gripped and moved to the processing side while pushing the processed pipe 2 placed at the processing site to the discharge line 50.

On the other hand, in order to more accurately position the pipe (2) located in the machining position by the holder block 30 is provided with a safety device 60 in the holder block (30).

The safety device 60 is located on both sides of the lower stand 30b in the operation direction of the holder block 30 and is installed on the bed 3, each of which is provided by the third actuator 61. It is composed of a locking pin 62 for advancing and retracting in the direction perpendicular to the operating direction. At this time, grooves 35 are formed at both sides of the lower stand 30b of the holder block 30 so as to correspond to the engaging pins 62.

The locking pin 62 is inserted into the groove 35 by the forward operation of the third actuator 61 at the point where the holder block 30 grasps the pipe 2 and is located at the machining position, so that the holder block 30 is closed. It is fixed, and at this time, the processing tool 40 is operated to descend and expand the pipe (2). And when the operation of the processing tool 40 for expansion pipe processing is completed and the upward operation, the holder block 30 is moved to the supply pipe 10 side while the locking pin 62 is retracted by the retraction operation of the third actuator 61.

In this case, the safety device 60 is satisfied if it is installed on at least one of both sides of the holder block 30. The above operation is performed by a sensor and a controller (not shown) connected to each operation unit.

In addition, to accurately control the position of the pipe (2) to form a projection jaw 36 on both sides of the upper side of the upper base (30a) of the holder block 30, the projection jaw ( It is configured to include a hanger 70 is fixed to the front side of the 36.

Since the hanger 70 should be fixed, the auxiliary plate 71 is fixedly connected to the bed 3 at a position spaced apart from the upper side of the upper stand 30a of the holder block 30 as an installation example. Fixing the mounting bracket 70 to both sides of the front side is fixedly installed below the auxiliary plate (71). At this time, the hanger 70 is satisfied if it is installed on at least one or more of the front side both sides of the holder block (30).

On the other hand, the stopper 80 is installed on the front side bed 3 of the holder block 30 so that the lower base 30b of the holder block 30 can no longer be moved forward. The stopper 80 is installed at both sides of the lower base 30b of the holder block 30, and the damper 37 front side of the lower base 30b is the stopper 80 at the point where the pipe 2 is located at the machining position. It is configured to be in contact with the rear part of the). At this time, the stopper 80 may be configured to adjust the position movement to the front, rear side of the movement direction of the holder block 30, if necessary, the lower stand 30b and the stopper (30b) of the holder block 30 made of metal In order to prevent vibration by the impact of 80, it is preferable to install and install a shock damper 37 on the front side of the lower stand 30b.

2: pipe 3: bed
10: supply pipe 11: inlet
12: outlet 15: observation
20: guide plate 30: holder block
31: First Actuator 32: Second Actuator
33: 1st guide rail 34: 2nd guide rail
35: groove 37: damper
39: holding part 40: processing tool
50: discharge line 60: safety device
61: third actuator 62: locking pin
70: hanger 71: auxiliary plate
80: stopper

Claims

In the processing apparatus for expanding the pipe in the form of a single pipe by a processing tool which is moved up and down,
A supply pipe 10 installed vertically on the bed 3 of the processing apparatus, having an inlet 11 at an upper portion thereof, and an outlet 12 at a lower portion thereof, in which a plurality of pipes 2 are stacked;
A guide support plate 20 installed at the lower side of the supply pipe 10 and seated on the pipe 2 and fixedly installed on the bed 3 to extend to the processing side of the pipe 2;
Is installed on the upper side of the guide plate 20, the first actuator 31 and the first guide rail 33 installed on the bed (3) is reciprocated before and after the machining side of the pipe (2) The upper stand 30a is provided with a lower stand 30b and is connected to the upper side of the lower stand 30b and moved forward and backward to the center by the second actuator 32 and the second guide rails 34 installed on both left and right sides. Is installed, is discharged from the supply pipe (10) is gripped by the pipe (2) seated on the guide support plate 20 is transferred to the processing side, but the plurality of holding parts 39 are continuously spaced apart in the direction of movement of the pipe (2) A holder block 30;
It is installed on the upper side of the pipe (2) located at the processing position through the holder block 30, formed to a diameter larger than the inner diameter of the pipe (2) and working up and down while expanding the inner diameter of the pipe (2) A tool 40;
Expanding pipe processing apparatus comprising a discharge line (50) for guiding the pipe (2) expanded by the processing tool 40 to be discharged to the outside of the guide support plate (20).

The method of claim 1,
At least one of the lower side 30b of the holder block 30 in the operating direction on both sides of the engaging pin 62 by the third actuator 61 in the vertical direction perpendicular to the operating direction of the lower base (30b) Having a safety device 60 having a groove 35 corresponding to the locking pin 62 is formed on the side of the lower base 30b, the locking pin at the point where the pipe 2 is located in the working position Expanding device for pipes, characterized in that the 62 is inserted into the groove (35) is configured to be fixed to the holder block (30).

The method according to claim 1 or 2,
The auxiliary plate 71 is fixedly installed on the bed 3 so as to be spaced apart from the upper side of the upper stand 30a of the holder block 30, and at least one of the front sides of the auxiliary plate 71 hangs 70 ) Is fixedly installed downward and a protrusion jaw 36 corresponding to the hook 70 is formed on the upper side of the upper stand 30a, the protrusion jaw 36 at the point where the pipe 2 is located at the machining seat ) Pipe expander processing apparatus characterized in that the front portion is in contact with the rear portion of the hanger 70 is configured to be fixed to the holder block (30).

The method of claim 3,
On the front side bed (3) of the holder block 30 is installed a stopper 80 that can be moved forward and rearward and the damper (37) is attached to the front of the lower base (30b) of the holder block (30) It is installed, the expansion of the pipe, characterized in that the front portion of the damper 37 is in contact with the rear portion of the stopper 80 at the point where the pipe (2) is located at the processing position so that the holder block 30 is fixed Processing equipment.

The method of claim 4, wherein
The gripping portion 39 is pipe expansion processing apparatus, characterized in that composed of a synthetic resin material.