JP2011143527A - Trimming washing device and trimming washing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a trimming washing device and a trimming washing method for cutting burrs in a cut tube and cleaning the tube. <P>SOLUTION: A pipe 20 passes through a central portion of a trimming tool 14, and a nozzle 22 for spraying air introduced in the pipe 20 is provided on one end portion 20A of the pipe 20. A hose 50 cut in a cutting part 50A is inserted to an outer side of the pipe 20, and an end portion 50B of the hose 50 is fixedly supported by a holding member 12. A plate-shaped member 28 is fixedly attached to the trimming tool 14, and a rod 30A of a cylinder 30 is connected to the plate-shaped member 28. The trimming tool 14 is moved by the cylinder 30 in the axial direction to rub the cutting part 50A of the hose 50, so that burrs are cut off. Further, by spraying air from the nozzle 22, the burrs are removed and the inner portion of the hose 50 is cleaned by the air. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a deburring and cleaning apparatus and a deburring and cleaning method for removing and deburring a tubular body.

  In Patent Document 1 below, a mixed abrasive comprising a polishing material made of a synthetic resin having a diameter of 0.1 mm to 3 mm and a metal powder having an average particle size of 10 to 500 μm is formed against an elastic molded body such as rubber. A method of removing burrs from an elastic molded body by spraying at a predetermined pressure is disclosed (see Patent Document 1).

JP 2002-1662 A

  However, when the burr removal method as described above is applied to remove burrs generated at the time of cutting the tubular body, when a mixed abrasive of the abrasive and metal powder is sprayed on the burrs of the tubular body, There is a possibility that abrasives and metal powder may remain inside the tube, and there is room for improvement.

  The present invention has been made in view of the above problems, and provides a deburring cleaning apparatus and a deburring cleaning method that can clean a tubular body by cutting off a burr generated at the time of cutting the tubular body. Objective.

  The deburring and cleaning apparatus according to the first aspect of the present invention includes a holding member that holds the cut tubular body, a deburring jig that cuts off the deburring, and the deburring jig that extends in the axial direction of the tubular body. Moving relative to the tube along the pipe and sliding means against the burrs generated in the cutting portion of the tube, and disposed inside the tube, and injecting air into the tube And an air injection means for removing the burrs cut by the deburring jig and cleaning the tube with air.

  According to the first aspect of the present invention, the cut tubular body is held by the holding member, and the deburring jig is moved relative to the tubular body along the axial direction of the tubular body by the moving means. At that time, the deburring jig is rubbed with the burrs generated at the cutting portion of the tube by the moving means, so that the burrs are cut off. Air jetting means is disposed inside the pipe body, and air is jetted onto the pipe body by the air jetting means to remove burrs cut by the deburring jig and to clean the pipe body with air. Thereby, the burr | flash which generate | occur | produced in the cutting part of the cut pipe body can be excised, and a pipe body can be washed.

  According to a second aspect of the present invention, in the deburring and cleaning apparatus according to the first aspect, the deburring jig has a conical shape, and an outer peripheral surface is pressed against an inner peripheral side corner of the cut portion of the tubular body. In the outer peripheral surface, annular grooves are formed at predetermined intervals.

  According to the invention described in claim 2, the deburring jig has a conical shape, and the outer peripheral surface of the deburring jig is pressed against the inner peripheral side corner of the cut portion of the tubular body. An annular groove is formed on the outer peripheral surface of the deburring jig at a predetermined interval, and the annular groove is rubbed against the burr generated at the inner peripheral side corner of the cutting portion of the tube body, so that the burr is more Effectively excised.

  According to a third aspect of the present invention, in the deburring and cleaning apparatus according to the first or second aspect, the air injection means is a pipe extending from the deburring jig to the inside of the tubular body, and the pipe Is formed with an injection port for injecting air toward the cutting portion of the tubular body.

  According to the invention described in claim 3, the air injection means is a pipe extending from the deburring jig to the inside of the pipe body, and air is injected from the injection port of the pipe toward the deburring jig, The burrs cut by the deburring jig are removed (blowed off), and the inside of the tube is cleaned with air. For this reason, the excised burrs are prevented from remaining inside the tube.

  According to a fourth aspect of the present invention, there is provided a deburring and cleaning method that includes a holding step of holding the cut tube body with a holding member, and a deburring jig relative to the tube body along the axial direction of the tube body. And deburring the burr by sliding the deburring jig against the burr generated at the cutting part of the tube, and separating the deburring jig from the cutting part of the tube. A cleaning step of spraying air by an air spraying means disposed inside the tube body to remove burrs cut by the deburring jig and cleaning the tube body with air. is there.

  According to the fourth aspect of the present invention, the deburring jig is moved relative to the tubular body along the axial direction of the tubular body in a state where the cut tubular body is held by the holding member. The burrs are cut off by rubbing the tool against the burrs generated at the cutting part of the tube. Further, the deburring jig is separated from the cutting portion of the tube body, and air is ejected by the air ejecting means disposed inside the tube body, thereby removing the burrs cut by the deburring jig and the tube body. Clean with air. As a result, it is possible to clean the tubular body by cutting away the burrs generated in the cut portion of the cut tubular body.

  According to a fifth aspect of the present invention, in the deburring and cleaning method according to the fourth aspect, the deburring step and the cleaning step are repeated a plurality of times.

  According to the fifth aspect of the present invention, the burr generated in the cut portion of the tubular body can be more reliably removed by repeatedly performing the burr cutting step and the cleaning step a plurality of times.

  According to the present invention, it is possible to remove a burr generated at the time of cutting a tubular body and wash the tubular body.

It is a perspective view which shows the deburring cleaning apparatus which concerns on one Embodiment of this invention. It is a side view which shows the deburring cleaning apparatus which concerns on one Embodiment of this invention. It is a half-cut sectional view of the nozzle provided in the pipe of the deburring and cleaning apparatus. It is a partial side view which shows the process of excising the burr | flash of a tubular body by the deburring cleaning apparatus, and wash | cleaning a tubular body. It is a partial side view which shows the process of excising the burr | flash of a tubular body by the deburring cleaning apparatus, and wash | cleaning a tubular body. It is a partial side view which shows the process of excising the burr | flash of a tubular body by the deburring cleaning apparatus, and wash | cleaning a tubular body. It is a partial side view which shows the process of excising the burr | flash of a tubular body by the deburring cleaning apparatus, and wash | cleaning a tubular body. It is an expanded sectional view which shows the process of removing a burr | flash with a deburring jig. It is an expanded sectional view which shows the process of removing a burr | flash with a deburring jig. It is an expanded sectional view which shows the process of removing a burr | flash with a deburring jig. It is an expanded sectional view which shows the process of removing a burr | flash with a deburring jig. It is an expanded sectional view which shows the process of removing a burr | flash with a deburring jig. It is a partial side view which shows the process of excising the burr | flash of a tubular body by the deburring cleaning apparatus, and wash | cleaning a tubular body.

  Embodiments of the deburring and cleaning apparatus of the present invention will be described below with reference to the drawings.

  FIG. 1 is a perspective view of a deburring and cleaning apparatus 10 according to an embodiment of the present invention. FIG. 2 shows the deburring and cleaning apparatus 10 in a side view.

  As shown in these drawings, the deburring and cleaning apparatus 10 includes a holding member 12 that holds a rubber hose 50 as a tubular body, and a deburring jig that cuts off burrs generated in the cutting portion 50A of the hose 50. 14. The hose 50 is previously cut by the cutting unit 50A by a cutting device (not shown).

  The holding member 12 includes a cylindrical portion 12A into which an end portion 50B opposite to the cutting portion 50A of the hose 50 is inserted, and the hose 50 moves in the radial direction of the hose 50 inside the cylindrical portion 12A. A plurality of grips 12B (see FIG. 3) for gripping 50 peripheral surfaces are provided. A rubber elastic body is mounted on the inner peripheral surface of the grip 12B. A guide member 12C that guides the hose 50 inserted into the cylindrical portion 12A is disposed at one end portion in the axial direction of the cylindrical portion 12A (the end portion opposite to the deburring jig 14).

  The deburring and cleaning apparatus 10 is provided with a support plate 16 along the horizontal direction, and a guide plate 18 stands on the support plate 16 in a direction perpendicular to the axial direction of the hose 50 held by the holding member 12. It is installed. A substantially semicircular concave portion 18A is provided on the upper side of the guide plate 18, and the end portion of the hose 50 on the cutting portion 50A side in a state where the end portion 50B of the hose 50 is held by the holding member 12. Is guided by the concave portion 18A of the guide plate 18.

  The deburring jig 14 is made of a metal conical member (cone), and a plurality of annular grooves 14A are provided at substantially equal intervals along the circumferential direction on the outer peripheral surface (see FIG. 7). The deburring jig 14 is moved back and forth in the axial direction by a cylinder 30 which will be described later, and the plurality of annular grooves 14 </ b> A and the convex portions 14 </ b> B between the annular grooves 14 </ b> A rub against the burrs 52 of the cutting portion 50 </ b> A of the hose 50. The burr 52 is excised. The width of the annular groove 14A and the convex portion 14B is set to, for example, 0.25 mm to 1.5 mm.

  The deburring jig 14 is provided with a cylindrical pipe 20 as air injection means so as to penetrate the central axis. One end portion 20 </ b> A of the pipe 20 extends through a concave portion 18 </ b> A of the guide plate 18 to a position facing the holding member 12. A hose 50 is inserted (extrapolated) on the outer peripheral surface side of the one end portion 20 </ b> A of the pipe 20.

  On the outer peripheral surface of the one end portion 20 </ b> A of the pipe 20, a plurality of nozzles 22 are provided as injection ports for injecting air from the pipe 20 with a predetermined pressure. As shown in FIGS. 2A and 2B, the pipe 20 is formed with a notch 20C that gradually decreases in diameter in a direction away from the deburring jig 14, and an end surface on the tip side of the notch 20C ( A nozzle 22 is provided on a wall portion along the radial direction. Thereby, the nozzle 22 injects air toward the deburring jig 14. In other words, the nozzle 22 injects air in the direction of the cutting portion 50 </ b> A of the hose 50 that is extrapolated to the pipe 20. By blowing air in the direction of the cutting portion 50A of the hose 50 from the nozzle 22, the burr 52 (see FIG. 7) cut by the deburring jig 14 is removed (blown away) and the inside of the hose 50 is cleaned with air. It is supposed to be. The number of nozzles 22 is set to, for example, two, and the diameter of the nozzles 22 is set to, for example, 5 to 10 mm. The flow rate of air ejected from the nozzle 22 is set to, for example, 150 l / min or more.

  A hose 24 for sending air into the pipe 20 is connected to the other end 20B of the pipe 20 on the side opposite to the holding member 12. An air blowing device (not shown) is provided on the upstream side of the hose 24, and air is introduced into the pipe 20 through the hose 24 by the air blowing device.

  The support plate 16 is provided with a guide plate 26 in which two plates are bonded together along a direction orthogonal to the axial direction of the other end 20 </ b> B of the pipe 20. On the upper side of the guide plate 26, a recess 26A through which the other end 20B of the pipe 20 is inserted is provided. The lower end portion of the recess 26 </ b> A is formed in a substantially semicircular shape along the outer peripheral surface of the pipe 20, and the width of the recess 26 </ b> A is slightly larger than the outer diameter of the pipe 20. Thus, the other end 20B of the pipe 20 is guided so as to be movable in the axial direction.

  A plate-like member 28 is fixed to the end surface 14C of the deburring jig 14 on the large diameter side (the other end 20B side of the pipe 20) along the vertical direction. A concave portion 28 </ b> A through which the other end portion 20 </ b> B of the pipe 20 passes is provided on the upper side of the plate-like member 28. The plate-like member 28 is fixed to the end surface 14C of the deburring jig 14 and the pipe 20 by bonding or a fixture (not shown). The support plate 16 is provided with a rectangular opening 16 </ b> A, and the plate member 28 is inserted through the opening 16 </ b> A of the support plate 16. The width of the plate member 28 is slightly shorter than the width of the opening 16A (the width in the direction perpendicular to the axial direction of the pipe 20), and the plate member 28 passes through the opening 16A in the axial direction of the pipe 20. It is possible to move along.

  A cylinder 30 as a moving means is attached to the lower side of the support plate 16 by a fixture (not shown), and a rod 30A of the cylinder 30 is connected to a lower portion of the plate-like member 28. The deburring jig 14 and the pipe 20 fixedly supported by the plate-like member 28 by the advance and retreat of the rod 30A are movable in the axial direction. At that time, the pipe 20 moves in the axial direction in a state where the other end 20B of the pipe 20 is guided by the recess 26A of the guide plate 26.

  A hose 50 is provided on the support plate 16 at a position close to the plate-like member 28 of the deburring jig 14 (between the deburring jig 14 and the guide plate 26) on the outer peripheral surface side of the one end 20 </ b> A of the pipe 20. A sensor 34 is provided for detecting insertion into the deburring position. When the sensor 34 detects that the hose 50 has been inserted into the deburring position, the cylinder 30 can be driven, and the deburring jig 14 automatically moves back and forth in the axial direction (with respect to the cutting portion 50A of the hose 50). To move forward and backward).

  Next, a method of deburring and cleaning the hose 50 as an operation of the deburring and cleaning apparatus 10 according to the present embodiment will be described.

  After the hose 50 is cut by a cutting device (not shown), as shown in FIG. 3, the hose 50 is inserted into the cylindrical portion 12 </ b> A of the holding member 12, and the pipe 20 is inserted into the hose 50. The cutting portion 50A is brought into contact with the deburring jig 14. Then, as shown in FIG. 4, the plurality of grips 12 </ b> B of the holding member 12 move radially inward to grip the circumferential surface of the hose 50, so that the hose 50 is fixedly supported by the holding member 12 (holding) Process).

  In this state, when the deburring jig 14 rubs against the burr 52 (see FIG. 7) generated at the inner peripheral corner of the cutting portion 50A of the hose 50, the burr 52 is cut off (burr cutting step). The burr cutting process will be described in detail later.

  Next, as shown in FIG. 5, when the rod 30A (see FIG. 2) of the cylinder 30 extends, the deburring jig 14 moves in a direction away from the cutting portion 50A of the hose 50 (retracts in the direction of arrow A), The pipe 20 connected to the deburring jig 14 also moves in the axial direction. At this time, air is injected from the nozzle 22 of the pipe 20 in the direction of the cutting portion 50A of the hose 50 (in the direction of arrow B). Thereby, the burr 52 (see FIG. 7) cut by the deburring jig 14 is removed (blowed off) by air, and the inside of the hose 50 is cleaned by air (cleaning step).

  Next, as shown in FIG. 6, the rod 30 </ b> A (see FIG. 2) of the cylinder 30 is contracted so that the deburring jig 14 moves in a direction in contact with the cutting part 50 </ b> A of the hose 50 (advances in the direction of arrow C). The pipe 20 connected to the deburring jig 14 also moves in the axial direction. When the deburring jig 14 moves in a direction in contact with the cutting portion 50A of the hose 50 (as shown in FIG. 6), air is not injected from the nozzle 22 in order to prevent backflow of air. Then, after the deburring jig 14 is pressed against the cutting part 50A of the hose 50, as shown in FIG. 5, the rod 30A (see FIG. 2) of the cylinder 30 is extended, whereby the deburring jig 14 is moved to the hose 50. Move in a direction away from the cutting portion 50A (retreat in the direction of arrow A).

  At that time, as shown in FIGS. 7A to 7E, the deburring jig 14 moves back and forth in the axial direction (advances and retreats in the direction of arrow C and arrow A), and the annular groove of the deburring jig 14 The burr 52 is excised by the rubbing of the burr 52 of the cutting part 50A of the hose 50 by the 14A and the convex part 14B (burr excision step). More specifically, the cut rubber hose 50 has a slightly smaller inner diameter, and the tip of the inner peripheral surface is a lip portion 51 protruding in a lip shape inward in the radial direction. When the lip portion 51 is pressed against the annular groove 14A on the peripheral surface of the deburring jig 14 and the burr 52 is removed, the lip portion 51 passes two or three convex portions 14B of the deburring jig 14, When the burr 52 is pressed against the convex portion 14B when passing, the burr 52 can be removed, and when the lip portion 51 enters the inside of the hose 50, the burr 52 is removed by the repulsion of the rubber when the deburring jig 14 moves backward thereafter. There are cases.

  As shown in FIG. 5, when the deburring jig 14 moves away from the cutting portion 50 </ b> A of the hose 50 (retreats in the direction of arrow A), the air flows from the nozzle 22 of the pipe 20 to the cutting portion 50 </ b> A of the hose 50. Injected in the direction of arrow B. Thereby, the burr 52 cut by the deburring jig 14 is removed (blowed off) by air, and the inside of the hose 50 is cleaned by air (cleaning step).

  As the deburring jig 14 moves forward and backward in the axial direction, the deburring step as shown in FIG. 6 and the cleaning step as shown in FIG. 5 are repeated a plurality of times. For example, the deburring process and the cleaning process are repeated by reciprocating the deburring jig 14 six times in the axial direction.

  Thereafter, as shown in FIG. 8, the plurality of grips 12 </ b> B of the holding member 12 move radially outward and away from the peripheral surface of the hose 50, thereby releasing the holding of the hose 50 by the holding member 12. Can be removed.

  In such a deburring and cleaning apparatus 10, the burrs 52 generated in the cutting part 50 </ b> A of the hose 50 can be cut off and the inside of the hose 50 can be cleaned with air.

  Further, by blowing air from the nozzle 22 toward the cutting portion 50 </ b> A of the hose 50, the burr 52 cut out by the deburring jig 14 is blown off, and the burr 52 is prevented from remaining inside the hose 50. .

  Next, the result of evaluating the deburring function of the deburring and cleaning apparatus 10 of this embodiment will be described.

  As the deburring jig 14, the width of the annular groove 14A was set to 0.5 mm, the depth of the annular groove 14A was set to 0.5 mm, and the pitch of the annular groove 14A was set to 1.0 mm. Moreover, the diameter of the nozzle 22 was 7.0 mm, the blow pressure by air was 0.5 MPa, and the blow time was 0.3 seconds and performed 6 times. As rubber hose 50, 24 samples were evaluated. The total number of burrs in the 24 hoses 50 was 37. The burrs in the hose 50 were marked in advance, and after performing a deburring cleaning test, it was visually observed whether or not the marked burrs were removed. .

  When a deburring / cleaning test of 24 hoses 50 was performed using the deburring / cleaning apparatus 10, the number of burrs was 0, and it was confirmed that the deburring effect was high.

  The number, size, shape, position, and the like of the nozzles 22 in the above embodiment are not limited to those in the embodiment, and can be changed.

  In the above-described embodiment, air is introduced from the other end 20B of the pipe 20 on the end face 14C side of the deburring jig 14 and the air is ejected from the nozzle 22. However, the present invention is not limited thereto, and the holding member 12 is not limited thereto. It is good also as a structure which introduces air from one end part 20A of the pipe 20 on the side.

  In the above-described embodiment, the rubber hose 50 is used as the tube body. However, the present invention is not limited to this, and a resin tube body or a metal tube body may be used. Even in the case of a resin tube or a metal tube, the deburring and cleaning device 10 can remove burrs generated in the cut portion of the tube and clean the inside of the tube with air.

DESCRIPTION OF SYMBOLS 10 Deburring cleaning apparatus 12 Holding member 14 Deburring jig | tool 14A Annular groove | channel 20 Pipe (air injection means)
22 Nozzle (spout)
28 Plate-shaped member (moving means)
30 cylinder (moving means)
50 hose
50A Cutting part 52 Bali

Claims (5)

A holding member for holding the cut tubular body;
A deburring jig for removing the burr;
Moving means for moving the deburring jig relative to the tubular body along the axial direction of the tubular body, and sliding the burrs generated on the cutting portion of the tubular body;
An air injection means arranged inside the tubular body and removing the burrs cut off by the deburring jig by injecting air into the tubular body, and cleaning the tubular body with air;
A deburring and cleaning apparatus. The deburring jig has a conical shape, and the outer peripheral surface is pressed against the inner peripheral side corner of the cut portion of the tubular body,
The deburring and cleaning apparatus according to claim 1, wherein annular grooves are formed at predetermined intervals on the outer peripheral surface.   2. The air injection means is a pipe extending from the deburring jig to the inside of the pipe body, and an injection port for injecting air toward the deburring jig is formed in the pipe. Or the deburring cleaning apparatus of Claim 2. A holding step of holding the cut tubular body with a holding member;
The deburring jig is moved relative to the pipe body along the axial direction of the tubular body, and the deburring jig is rubbed against the burr generated at the cutting portion of the tubular body to cut out the burr. Deburring process,
The deburring jig is separated from the cutting portion of the tubular body, air is ejected by air ejecting means disposed inside the tubular body, and the burrs cut by the deburring jig are removed and the A cleaning process for cleaning the tube with air;
A deburring and cleaning method.   The deburring and cleaning method according to claim 4, wherein the deburring step and the cleaning step are repeated a plurality of times.

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