JP4787949B2 - Outside diameter finishing and debris removal equipment for workpieces - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention uses a metal round pipe material or round bar material as a work material, and after processing the work material such as cutting, keeps the outer shape at a predetermined diameter and removes debris such as burrs. The present invention relates to an outer diameter finishing and dust removing device.
[0002]
[Prior art]
When the headrest stay of the seat headrest is exemplified as a work material, the headrest stay is made of a metal round pipe material or a round bar material, and the round pipe material or the round bar material has an axis shape in a U shape or an M shape. A plurality of cutout grooves that engage with a stopper for attaching / detaching the headrest or adjusting the height are provided on the axis of the leg portion while being bent.
[0003]
The notch groove of the headrest stay is provided by cutting the axial side surface of the leg with a metal saw whose outer periphery is a cutting edge corresponding to the depth shape of the notch groove. With this cutting, chips remain attached on the axis, and burrs protrude from the groove edge of the notch groove and affect the outer diameter. It needs to be removed.
[0004]
Conventionally, the chips and burrs are manually removed, and in particular, the burrs are removed by grinding using a grinder or the like, which not only takes time but also increases the cost of the product.
[0005]
[Problems to be solved by the invention]
The present invention provides an outer diameter finishing and scrap removing device for a workpiece that can easily remove scraps and burrs and the like and can finish the outer diameter of the workpiece according to a predetermined diameter without taking time and effort. The purpose is to provide.
[0006]
[Means for Solving the Problems]
In the outer diameter finishing and debris removing device of the workpiece according to the present invention, the workpiece has an entirely circular through hole with a different diameter that can be inserted from the shaft tip, and the outer diameter of the workpiece. An outer diameter finishing mechanism portion of the workpiece in which a plurality of dies arranged in the order of the outer diameter of the workpiece from the larger diameter through hole in the order of the outer diameter of the workpiece are assembled inside the stationary housing, A scrap removing mechanism that maintains an inner diameter that allows the axis of the workpiece to be inserted from the tip of the shaft and that is assembled with a spiral wire brush that is slidably contacted from around the axis of the workpiece within the rotating housing;
Each mechanism part is equipped with a guide post so that it can be moved up and down, and the work table for holding the work material is moved forward by each mechanism part by projecting the axis of the work material from the shaft tip. It is equipped so that it can be moved backward, and the outer diameter finish of the workpiece is the first step, and the scrap removal is the second step so that it can be continuously processed in the same equipment.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the attached drawings, in the illustrated embodiment, a round pipe material or a round bar material of a high-strength steel material for manufacturing a headrest stay is used as a work material, and the round pipe material or the round bar material is used as a work piece. A plurality of notch grooves are formed on the axis of the leg, and the chips remaining on the axis of the headrest stay are bent. It is configured to remove debris such as burrs.
[0008]
The mechanism is schematically described. As shown in FIG. 1, a shaft outer diameter finishing mechanism portion 1 and a debris removal mechanism portion 2 of a workpiece are provided so as to be movable up and down integrally with a guide post 3, and the workpiece is covered. A workpiece mounting table 4 for positioning and holding the workpiece W is provided for each mechanism unit 1 and 2 so that the workpiece can be moved forward and backward. The outer diameter finishing of the workpiece is the first step, and the scrap removal is the second. It is comprised so that it can process continuously in the same installation as a process.
[0009]
As shown in FIG. 2, the outer diameter finishing mechanism unit 1 includes disk-shaped dies 10, 11, and 12 having true circular through holes with different diameters through which the axis of the headrest stay W can be inserted from the shaft tip. It is comprised by assembling a plurality. The housing 13 is assembled from a cylindrical outer cylinder 13a and an inner cylinder 13b. Further, the dies 10, 11, 12 are assembled into the inner cylinder 13b and fitted into the outer cylinder 13a, and the through holes of the dies 10, 11, 12 are assembled to align with the inlet 13c and outlet 13d of the outer cylinder 13a. .
[0010]
The dies 10, 11, and 12 are arranged from the through hole having a diameter larger than the shaft outer diameter of the headrest stay W toward the back of the housing 13 in the order of the through hole having the same diameter as the shaft outer diameter. , 15 is sandwiched between the inner cylinders 13b so as to maintain an interval. For example, when the through hole corresponds to a headrest stay having an outer diameter of 10 mm, the inlet diameter is set to 10.05 mm, the intermediate diameter is set to 10.03 mm, and the inner diameter is set to about 10.01 mm. Good.
[0011]
The outer diameter finishing mechanism portion 1 is provided on the axis of the guide post 3 by placing the housing 13 so as not to rotate. In addition, the outer diameter finishing mechanism 1 is equipped with an air pipe 16 (see FIG. 1) for supplying suction air for discharging burrs to be scraped off as will be described later, connected to the inner cylinder 13b.
[0012]
As shown in FIG. 3, the scrap removing mechanism unit 2 assembles a spiral wire brush 20 that can be slidably contacted from the periphery of the shaft while maintaining an inner diameter where the axis of the headrest stay W can be inserted from the tip of the shaft. It is comprised by. The housing 21 also includes an outer cylinder 21a and an inner cylinder 21b. The wire brush 20 is assembled inside the inner cylinder 21b on the extension of the inlet 21c of the outer cylinder 21a, and the inner cylinder 21b is rotatably supported by the outer cylinder 21b. By doing so, it is provided on the axis of the guide post 3.
[0013]
The outer diameter finishing mechanism portion 1 and the dust removal mechanism portion 2 are assembled together and are mounted so as to move up and down along the axis of the guide post 3 by a drive cylinder (not shown). With respect to each mechanism part 1, 2, a mounting table 4 is equipped so as to be able to move forward and backward toward each mechanism part 1, 2.
[0014]
As shown in FIG. 1, the mounting table 4 includes a base plate 40, and rising blocks 41 to 44 that receive the upper side portion and the left and right leg portions of the headrest stay W are provided on the plate surface of the base plate 40. Each of the mechanisms is provided with a latching piece 45 and a pin 46 which are positioned and held by a single leg portion and one leg portion, and the base plate 40 is supported by a pair of guide bars 47 and 48 which are inserted through the lower side. It is equipped with a drive cylinder (not shown) toward the parts 1 and 2 so that it can move forward and backward horizontally.
[0015]
In the outer diameter finishing / debris removing apparatus configured as described above, the outer diameter finishing mechanism unit 1 and the scrap removing mechanism unit 2 are moved up and down integrally with the mounting table 3 as a height reference to perform first outer diameter finishing. The process is performed, and debris removal is operated as the second process. Further, the mounting table 3 positions and holds the headrest stay W as a workpiece by projecting one leg portion provided with a notch groove from the tip of the shaft toward the mechanism portions 1 and 2.
[0016]
First, when the outer diameter finishing process is performed, the outer diameter finishing mechanism portion 1 and the dust removal mechanism portion 2 are integrally lowered so that one leg portion of the headrest stay W is provided in the housing 13 of the outer diameter finishing mechanism portion 1. Align with the inlet 13c (see FIG. 2). After the alignment, as shown in FIG. 4, the mounting table 4 is slid forward to insert the one leg portion provided with the notch groove into the inlet 13 c of the housing 13 from the tip of the shaft, and thereby each die 10, 11, 12 is inserted. Insert through the through hole.
[0017]
When one leg portion of the headrest stay W is inserted into the through hole of each of the dies 10, 11, and 12, when a burr (not shown) protrudes from the groove edge of the notch groove, as shown in FIG. Each die 10, 11, 12 passes through the burr and scrapes off at the hole edge of the hole. For this reason, the outer diameter finishing mechanism section 1 is finished so as to keep the axial diameter of the headrest stay W as prescribed at the same time as the removal of burrs.
[0018]
After the outer diameter finishing process is finished, the mounting table 4 is slid back as shown in FIG. Next, the outer diameter finishing mechanism portion 1 and the waste removal mechanism portion 2 are moved up integrally, and the one leg portion of the headrest stay W is provided at the inlet 21c provided in the outer cylinder 21 of the waste removal mechanism portion 2 (see FIG. 3). ) And stop the movement.
[0019]
When performing the scrap removing process, as shown in FIG. 7, the one leg portion of the headrest stay W whose outer diameter is finished by sliding the mounting table 4 forward is rotated from the shaft tip through the inlet 21c of the outer cylinder 21. The wire brush 20 is inserted into the diameter of the inner cylinder 21b.
[0020]
In this debris removal mechanism 2, as shown in FIG. 8, the spiral wire brush 20 is in sliding contact with the headrest stay W while rotating around the inner cylinder 21b. All can be removed. After the scrap removal is completed, the mounting table 4 is slid back to stand by at the original position. Further, the outer diameter finishing mechanism unit 1 and the debris removal mechanism unit 2 are moved down integrally to wait for the next operation.
[0021]
The outer diameter finishing mechanism unit 1 and the scrap removal mechanism unit 2 are repeatedly moved up and down and the mounting table 4 is moved forward and backward, whereby the outer diameter finishing of the workpiece is the first step and the scrap removal is the second step. Since it can be continuously processed in the same equipment, it is possible to easily remove chips and burrs and the like, and to finish the outer diameter of the workpiece to a predetermined diameter.
[0022]
In the above-described embodiment, the round pipe material or the round bar material for producing the headrest stay has been described as the work material. However, the embodiment can also be applied to the outer diameter finishing and scrap removal of the work material for producing other products.
[0023]
【The invention's effect】
As described above, according to the workpiece outer diameter finishing / debris removal apparatus according to the present invention, a through hole having a diameter substantially the same as the outer diameter of the workpiece from the through hole having a diameter larger than the outer diameter of the workpiece. The outer diameter finishing mechanism part of the workpiece with multiple dies arranged in order in the back and the scrap removal mechanism part with the spiral wire brush that slides in contact with the workpiece from its axis Equipped with a post that can be moved up and down, and a mounting table that positions and holds the workpiece can be moved forward and backward for each mechanism, so that the outer diameter finishing of the workpiece and scrap removal can be performed in the same facility. Since continuous processing can be performed, it is possible to easily remove chips and burrs and the like, and to finish the outer diameter of the workpiece to a predetermined diameter.
[Brief description of the drawings]
FIG. 1 is a depression angle perspective view showing an outer diameter finishing / debris removal device for a workpiece according to the present invention.
FIG. 2 is a cross-sectional view showing an outer diameter finishing mechanism unit provided in the apparatus of FIG. 1;
FIG. 3 is a cross-sectional view showing a debris removal mechanism provided in the apparatus of FIG.
FIG. 4 is an operation explanatory diagram during an outer diameter finishing process by the apparatus of FIG. 1;
FIG. 5 is an operation explanatory view showing an outer diameter finishing process by the outer diameter finishing mechanism of FIG. 2;
6 is an operation explanatory diagram when switching from the outer diameter finishing to the dust removal processing by the apparatus of FIG. 1; FIG.
FIG. 7 is an operation explanatory diagram during a dust removal process by the apparatus of FIG. 1;
FIG. 8 is an operation explanatory view showing a dust removal process by the dust removal mechanism of FIG. 3;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Outer diameter finishing mechanism part 10-12 Dies 13 Housing of outer diameter finishing mechanism part 2 Waste removal mechanism part 20 Wire brush 21 Housing of waste removal mechanism part 3 Guide post 4 Workpiece mounting table W Workpiece material

Claims (1)

A metal round pipe or round bar is used as the work piece, and the work piece is cut and processed to keep the outer shape at a predetermined diameter and removes burrs and other debris. A debris removal device,
It has a true circular through hole with a different diameter that allows insertion of the axis of the workpiece from the tip of the shaft, and has a diameter substantially the same as the outer diameter of the workpiece from the through hole having a diameter larger than the outer diameter of the workpiece. A work piece outer diameter finishing mechanism portion in which a plurality of dies arranged in the order of the through-holes are assembled inside the stationary housing, and an inner diameter at which the work piece axis can be inserted from the shaft tip, and A scrap wire removal mechanism unit that is assembled with a spiral wire brush that is slidably contacted from around the axis of the work piece inside the rotating housing;
Each mechanism part is equipped with a guide post so that it can be moved up and down, and the work table for holding the work material is moved forward by each mechanism part by projecting the axis of the work material from the shaft tip. The outer diameter of the workpiece is configured to be retractable and configured so that the outer diameter finish of the workpiece is the first step and the scrap removal is the second step so that it can be continuously processed in the same equipment. Finishing and dust removal device.

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