JP6990949B1 - Marking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a marking device provided with a positioning stand capable of supporting a large number of workpieces having different dimensions or shapes. A marking device (1) includes a laser marker device (4) for marking a handrail (2) and a positioning stand (3) for supporting the handrail (2) and positioning the handrail (2). The positioning pedestal 3 is slidably supported by the long member 7 fixed to the positioning pedestal 3 and the long member 7 in the length direction of the long member 7, and supports the handrail 2. It includes a base 9, a set screw 11 that clamps the work support base 9 to the long member 7, and a regulating member 10 that abuts on the handrail 2 and positions the handrail 2 with respect to the work support base 9. [Selection diagram] Fig. 1

Description

The present invention relates to a marking device.

A marking device for marking a product number or the like on various workpieces is known. For example, Patent Document 1 discloses a laser marking device that marks a product number, a company certificate, and an inspection agency mark on the surface of a steel material. Patent Document 2 discloses a laser marking device that marks a coil material supplied to a can-making press.

Further, Patent Document 3 discloses that, in order to identify an individual of a support of a temporary scaffold, a control symbol composed of characters, symbols, figures or the like is marked on the support of the temporary scaffold.

Japanese Unexamined Patent Publication No. 7-214348 Japanese Unexamined Patent Publication No. 2020-151743 Registered Utility Model No. 3191622

The laser marking device described in Patent Document 1 is arranged on a steel material production line, and the marking target steel material is positioned on the steel material production line. Further, in a specific steel material production line, basically, steel materials of the same size and shape are always transported. Therefore, the laser marking device arranged on the steel material production line basically does not need to deal with a plurality of types of steel materials having different shapes or dimensions. Patent Document 1 also does not disclose a configuration corresponding to a plurality of types of steel materials having different shapes or dimensions.

The laser marking device described in Patent Document 2 is also arranged on the can manufacturing line, and the coil material to be marked is positioned on the can manufacturing line. Further, in a specific can manufacturing line, basically, coil materials of the same size and shape are always conveyed. Therefore, in the laser marking device arranged on the can manufacturing line, it is basically not necessary to deal with a plurality of types of coil materials having different dimensions. Patent Document 2 also does not disclose a configuration corresponding to a plurality of types of coil materials having different dimensions.

Although the invention described in Cited Document 3 is intended for the columns of temporary scaffolding, it is required that various building scaffolding materials other than the columns are also marked with management symbols and the like to facilitate management. There are many types of scaffolding materials for construction, each of which has different dimensions or shapes. However, as described above, the laser marking devices described in Cited Documents 1 and 2 have a problem that they cannot handle a large number of workpieces having different dimensions or shapes.

The present invention has been made under such a background, and provides a marking device provided with a positioning stand capable of handling a large number of workpieces having different dimensions or shapes.

The marking device according to the present invention includes a marking means for marking a work and a positioning stand for supporting the work and positioning the work. The positioning pedestal includes a long member fixed to the positioning pedestal, a work support pedestal that is slidably supported by the long member in the length direction of the long member to support the work, and a work support pedestal. It is provided with a clamping means for clamping the work on a long member and a positioning means for positioning the work with respect to the work support by abutting on the work.

The marking device according to the present invention includes two long members arranged in parallel with each other, and the work support base may be supported by both long members. Alternatively, two sets of work supports may be provided.

The marking device according to the present invention may have a work support base detachably attached to a long member.

In the marking device according to the present invention, the marking means may be fixed to the positioning stand. Further, the positioning stand may be provided with a plurality of mounting seats for fixing the marking means.

The marking means provided in the marking device according to the present invention may be a laser marker device that irradiates the surface of the work with a laser beam to mark the surface of the work.

According to the marking device according to the present invention, the work support base that supports the work can be freely moved along the long member and fixed at an arbitrary position, so that it can be used for a plurality of types of works having different dimensions. can do.

It is a perspective view which shows the outer shape of the marking apparatus which concerns on embodiment. It is an arrow instruction which shows the marking apparatus which is shown in FIG. 1 from the direction which is seen by the arrow A in FIG. 1 is an outline view of the work support provided by the marking device shown in FIG. 1, in which (A) is a plan view of the work support, (B) is a front view of the work support, and (C) is the left side of the work support. It is a plan view. FIG. 1 is a modification of the work support base provided in the marking device shown in FIG. 1, and is an outline view of the work support base that supports and positions the tread. (A) is a plan view of the work support, (B) is a front view of the work support, and (C) is a left side view of the work support. It is a modification of the work support base provided in the marking device shown in FIG. 1, and is an outline view of the work support base that supports and positions the brace. (A) is a plan view of the work support, (B) is a front view of the work support, and (C) is a left side view of the work support. FIG. 1 is a modification of the work support base provided in the marking device shown in FIG. 1, and is an outline view of a work support base that supports and positions a jack. (A) is a plan view of the work support, (B) is a front view of the work support, and (C) is a left side view of the work support.

Hereinafter, the marking device according to the embodiment of the present invention will be described in detail with reference to the drawings. In each drawing, the same or equivalent parts are designated by the same reference numerals.

FIG. 1 is a perspective view showing a configuration of a marking device 1 according to an embodiment of the present invention. As shown in FIG. 1, the marking device 1 includes a positioning pedestal 3 that supports the handrail 2 and positions the handrail 2, and a laser marker device 4 fixed to the positioning pedestal 3. The handrail 2 is an example of a work that is a member constituting a temporary scaffold for construction work and is a target to be marked by the marking device according to the present invention. Further, the laser marker device 4 is an example of the marking means provided in the marking device according to the present invention.

As shown in FIG. 1, the positioning pedestal 3 includes a base member 5 and a frame 6 fixed to the base member 5. The base member 5 and the frame 6 are formed by joining shaped steels by welding.

A pair of, that is, two long members 7 arranged in parallel with each other are fixed to the base member 5 of the positioning frame 3 via the bracket 8. A work support base 9 is attached to the long member 7. The work support base 9 is slidably supported by the long member 7, and is fixed at an arbitrary position on the long member 7 by a clamping means described later.

The work support base 9 is a member that supports and positions the handrail 2. Then, as shown in FIG. 1, the work support base 9 includes a regulating member 10. The regulating member 10 is a member with which the end portion of the handrail 2 abuts. By bringing the end of the handrail 2 into contact with the regulating member 10, the handrail 2 is positioned with respect to the work support 9. Further, the work support base 9 is provided with a set screw 11 that functions as a clamping means. The marking device 1 includes two sets of work support bases 9, and the handrail 2 is supported by two sets of work support bases 9. The detailed configuration of the work support base 9 will be described later.

FIG. 2 is an arrow view of the marking device 1 as viewed from the direction indicated by the arrow A in FIG. As shown in FIG. 2, the frame 6 included in the positioning pedestal 3 includes a vertical column 6a fixed to the base member 5, an intermediate member 6b joined to the upper end of the vertical column 6a and extending diagonally upward, and an intermediate member 6b. It is equipped with a horizontal beam 6c joined to the tip. The vertical column 6a and the horizontal beam 6c include a first mounting seat 6d and a second mounting seat 6e for installing and fixing the laser marker device 4. Note that FIG. 2 shows a state in which the laser marker device 4 is installed and fixed to the second mounting seat 6e, and the laser marker device 4 is fixed to the second mounting seat 6e by bolts 6f.

Since it is configured as described above, in the marking device 1, the bolt 6f is removed, the laser marker device 4 is removed from the second mounting seat 6e, and the laser marker device 4 is moved to the first mounting seat 6d. can do. That is, the laser marker device 4 can be installed on the first mounting seat 6d and fixed there by the bolt 6f.

In FIG. 2, the direction in which the laser marker device 4 irradiates the laser beam is indicated by an arrow. As shown in FIG. 2, when the laser marker device 4 is fixed to the second mounting seat 6e, the laser beam is emitted toward the upper surface of the handrail 2 placed on the work support base 9. .. When the laser marker device 4 is fixed to the first mounting seat 6d, the laser beam is emitted toward the side surface of the handrail 2 placed on the work support base 9.

3A and 3B are external views of the work support base 9, FIG. 3A is a plan view, FIG. 3B is a front view, and FIG. 3C is a left side view. As shown in FIG. 3C, the work support base 9 is located between the base portion 9a slidably supported by each of the two long members 7 and the base portion 9a, and is fixed to the base portion 9a. It has a seat 9b. The receiving seat 9b includes a recess 9c formed according to the cross-sectional shape of the handrail 2. Further, the above-mentioned regulation member 10 is fixed to the receiving seat 9b. Since it is configured in this way, when the handrail 2 is placed on the work support 9 in accordance with the recess 9c and the regulating member 10, the handrail 2 is positioned with respect to the work support 9. That is, the recess 9c and the regulating member 10 come into contact with the handrail 2 and function as positioning means for positioning the handrail 2 with respect to the work support base 9. Then, if the handrail 2 is positioned with respect to the work support base 9, the handrail 2 is positioned with respect to the positioning base 3. As a result, the handrail 2 is positioned with respect to the laser marker device 4.

Further, as shown in each figure of FIG. 3, the set screw 11 described above is screwed into the base portion 9a of the work support base 9. When the set screw 11 is rotated around its central axis, the set screw 11 moves back and forth with respect to the base 9a. When the set screw 11 is advanced with respect to the base portion 9a, the tip of the set screw 11 comes into contact with the long member 7 and presses the long member 7. As a result, the movement of the work support 9 with respect to the long member 7 is constrained by the frictional force acting between the set screw 11 and the long member 7. That is, the work support 9 is clamped to the long member 7 by the set screw 11.

When the set screw 11 is loosened, that is, when the set screw 11 is retracted with respect to the base portion 9a, the tip of the set screw 11 is separated from the long member 7, so that the work support 9 is unclamped. When the work support 9 is unclamped, the work support 9 slides against the long member 7 and can move freely.

As described above, the laser marker device 4 included in the marking device 1 is fixed to the positioning pedestal 3, and the work support pedestal 9 is attached to the positioning pedestal 3. The work support 9 is provided with a recess 9c that fits the handrail 2 and a regulating member 10. Therefore, the handrail 2 is accurately positioned with respect to the work support 9 simply by placing the handrail 2 on the work support 9 so that the handrail 2 fits into the recess 9c and the regulating member 10. Since both the laser marker device 4 and the work support 9 are fixed to the positioning stand 3, when the handrail 2 is positioned with respect to the work support 9, the handrail 2 accurately refers to the laser marker device 4. Positioned. Then, after that, if the laser marker device 4 is operated, marking is applied to a predetermined position on the surface of the handrail 2. As described above, according to the marking device 1, the handrail 2 can be easily positioned with respect to the laser marker device 4, so that the efficiency of the marking work is improved.

Further, since the work support base 9 is slidably supported by the long member 7 and is clamped by the set screw 11, the clamp is released as necessary, and the long member 7 of the work support base 9 is released. The mounting position can be changed. Therefore, by changing the mounting position of the work support base 9 with respect to the long member 7, it is possible to cope with a plurality of types of handrails 2 having different lengths.

Further, if the clamp of the work support base 9 is released, the work support base 9 can be removed from the long member 7. Then, another work support base 9 having a different type can be attached to the long member 7. In short, in the marking device 1, the work support 9 can be replaced as needed. By exchanging the work support base 9, it is possible to handle works having different shapes or types. Hereinafter, the work support 9 corresponding to the work having a different shape or form will be described.

(Work support for tread)
4A and 4B are external views of a work support base 9 that supports and positions the tread plate 21, FIG. 4A is a plan view, FIG. 4B is a front view, and FIG. 4C is a front view. Is a left side view. The tread plate 21 is a scaffolding member that is bridged between the columns and constitutes a passage for the worker. As shown in FIG. 4C, the work support 9 for the tread 21 is also located between the base 9a and the base 9a slidably supported by each of the two long members 7, and is attached to the base 9a. It is equipped with a fixed stair tread 9b.

As shown in each figure of FIG. 4, a restricting member 10 to which the end portion of the tread 21 abuts is fixed to the receiving seat 9b. By bringing the end portion of the tread 21 in the longitudinal direction into contact with the regulating member 10, the tread 21 is positioned in the longitudinal direction of the long member 7. Further, as shown in FIG. 4C, the receiving seat 9b includes a contact portion 9d to which the left side surface of the tread 21 is abutted. Therefore, by bringing the left side surface of the tread 21 into contact with the contact portion 9d, the tread 21 can be positioned in the width direction of the tread 21.

As described above, according to the work support base 9 shown in FIG. 4, the tread plate 21 is brought into contact with the regulating member 10 at the longitudinal end portion of the tread plate 21 and the left side surface of the tread plate 21 with the abutting portion 9d. Can be accurately positioned with respect to the work support 9. In short, the abutting portion 9d and the regulating member 10 abut on the tread plate 21 and function as a positioning means for positioning the tread plate 21 with respect to the work support base 9. Then, if the tread 21 is positioned with respect to the work support 9, the tread 21 is positioned with respect to the positioning pedestal 3. As a result, the tread 21 is positioned with respect to the laser marker device 4.

(Work support for brace)
5A and 5B are external views of a work support base 9 that supports and positions the brace 22, FIG. 5A is a plan view, FIG. 5B is a front view, and FIG. 5C is a front view. ) Is the left side view. The brace 22 is a member that extends diagonally across a rectangular framework composed of columns and treads 21 to prevent deformation of the framework. As shown in FIG. 5C, the work support base 9 for the brace 22 is also located between the base portion 9a and the base portion 9a slidably supported by each of the two long members 7, and the base portion 9a. It is equipped with a receiving seat 9b fixed to.

As shown in FIG. 5A, the regulating member 10 is fixed to the receiving seat 9b, and the regulating member 10 is provided with a slit 10a into which the claw 22a at the tip of the brace 22 is inserted. Therefore, by inserting the claw 22a at the tip of the brace 22 into the slit 10a, the brace 22 can be accurately positioned with respect to the work support 9. In this way, the slit 10a and the regulating member 10 abut on the brace 22 and function as a positioning means for positioning the brace 22 with respect to the work support base 9. Then, if the brace 22 is positioned with respect to the work support 9, the brace 22 is positioned with respect to the positioning pedestal 3. As a result, the brace 22 is positioned with respect to the laser marker device 4.

(Work support for jack)
6A and 6B are external views of a work support base 9 that supports and positions a jack 23, FIG. 6A is a plan view, FIG. 6B is a front view, and FIG. 6C is a front view. Is a left side view. The jack 23 is a member that lifts the scaffolding support column and adjusts the installation height of the support column. As shown in FIG. 6C, the work support 9 of the jack 23 is also located between the base portion 9a slidably supported by each of the two long members 7 and the base portion 9a, and is fixed to the base portion 9a. It is equipped with a jacked seat 9b. Then, as shown in FIGS. 6A and 6B, a support rack 9e is provided between the two receiving seats 9b arranged at intervals in the length direction of the long member 7. It is fixed. The support rack 9e has a shape that matches the outer shape of the jack 23. Therefore, by placing the jack 23 on the support rack 9e, the jack 23 can be accurately positioned with respect to the work support base 9. In this way, the support rack 9e abuts on the jack 23 and functions as a positioning means for positioning the jack 23 with respect to the work support base 9. Then, if the jack 23 is positioned with respect to the work support base 9, the jack 23 is positioned with respect to the positioning base 3. As a result, the jack 23 is positioned with respect to the laser marker device 4.

As described above, the marking device 1 according to the present embodiment has a work support 9 that matches the shape of the work to be marked and a positioning that abuts on the work to position the work with respect to the work support 9. Provide means. Therefore, the work is accurately positioned with respect to the positioning pedestal 3 simply by placing the work on the work support base 9. As a result, the work is accurately positioned with respect to the laser marker device 4. As described above, according to the marking device 1, the work can be easily positioned, so that the marking work can be performed efficiently.

Further, the work support base 9 is slidably supported by the long member 7, and is clamped to the long member 7 by the set screw 11. Therefore, when the length of the work to be marked is changed, the clamp can be released and the mounting position of the work support 9 on the long member 7 can be changed according to the length of the work.

Further, since the work support base 9 is detachably attached to the positioning base 3, the work support base 9 can be easily replaced. Therefore, when the work to be marked is changed, a dedicated work support 9 suitable for the work can be attached.

As described above, according to the marking device 1 according to the present embodiment, it is possible to deal with a wide variety of workpieces having different dimensions, shapes, and types. That is, marking can be applied to various types of workpieces having different dimensions, shapes, and types. In addition, since the work to be marked is changed, the setup can be easily changed.

However, the technical scope of the present invention is not limited by the above embodiments. The present invention can be freely applied, modified, or improved as far as the technical idea described in the claims is concerned.

The mechanical or physical configuration of the marking device 1 disclosed above is an example, and the technical scope of the present invention is not limited by the mechanical or physical configuration of the marking device 1 disclosed above. ..

For example, the marking device 1 described above includes two long members 7 arranged in parallel, but the marking device according to the present invention is not limited to the one including two long members. The marking device according to the present invention may be provided with only one long member, or may be provided with three or more long members. Further, the long member is not limited to the one composed of a circular tube. The long member may be made of a square tube or a mold material.

The marking device 1 described above includes two sets of work supports 9, but the marking device according to the present invention is not limited to those provided with two sets of work supports. The marking device according to the present invention may be provided with only one set of work supports, or may be provided with three or more sets of work supports.

In the above, an example in which the set screw 11 is provided as the clamp means has been shown, but the clamp means constituting the present invention is not limited to the set screw 11.

In the above, an example in which the laser marker device 4 is fixed to the positioning pedestal 3 is shown, but the technical scope of the present invention is not limited to the marking means fixed to the positioning pedestal. In the present invention, the marking means and the positioning pedestal may be mechanically separated, and each may be separately installed and fixed at the installation location.

In the above, the configuration example of the work support 9 that fits the handrail 2, the tread 21, the brace 22, and the jack 23 has been illustrated, but the work support 9 can be freely designed according to the shape of the target work. Therefore, the target work of the present invention is not limited to these. Further, the target work of the present invention is not limited to the members constituting the temporary scaffold for construction.

In the above, the laser marker device 4 has been exemplified as a specific example of the marking means, but the marking means constituting the present invention is not limited to the one using the laser beam. The configuration or operating principle of the marking means is not limited. The marking means may be one in which characters, symbols or figures are drawn on the surface of the work by spraying paint or ink on the surface of the work. The marking means may be one that applies a physical impact to the surface of the work and draws characters, symbols or figures on the surface of the work. The marking means may be one in which characters, symbols or figures are drawn on the surface of the work by chemically changing the surface of the work.

1 Marking device, 2 Handrail, 3 Positioning mount, 4 Laser marker device, 5 Base member, 6 frame, 6a vertical column, 6b Intermediate member, 6c horizontal beam, 6d 1st mounting seat, 6e 2nd mounting seat, 6f bolt , 7 long members, 8 brackets, 9 work supports, 9a bases, 9b receiving seats, 9c recesses, 9d abutments, 9e support racks, 10 regulatory members, 10a slits, 11 set screws, 21 treads, 22 braces. , 22a claws, 23 jacks

Claims (7)

Marking means for marking the work and
A marking device including a positioning stand that supports the work and positions the work.
The positioning stand is
A long member fixed to the positioning stand and
A work support base that is slidably supported by the long member in the length direction of the long member to support the work, and
Clamping means for clamping the work support to the long member, and
A positioning means for abutting the work and positioning the work with respect to the work support is provided.
Marking device. It is equipped with the two long members arranged parallel to each other, and
The work support base is supported by both of the two long members.
The marking device according to claim 1. Equipped with two sets of the work support
The marking device according to claim 1 or 2. The work support base is detachably attached to the long member.
The marking device according to any one of claims 1 to 3. The marking means is fixed to the positioning pedestal.
The marking device according to any one of claims 1 to 4. The positioning pedestal comprises a plurality of mounting seats for fixing the marking means.
The marking device according to claim 5. The marking means is a laser marker device that irradiates the surface of the work with a laser beam to mark the surface of the work.
The marking device according to any one of claims 1 to 6.

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