JP2003094240A - Cutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent malfunction of a body vice apparatus due to accumulation of chips produced in cutting-off work and coolant. SOLUTION: The body vice apparatus 39 having a body movable vice jaw 37 and a body reference vice jaw 35 for clamping a workpiece W is arranged behind the cutting-off position viewed from the workpiece carrying direction. The body vice apparatus 39 is provided with a body vice supporting member 43 having a portal shape so as not to obstruct the movement of the body movable vice jaw 37. Because the body reference vice jaw 35 is rotatably supported by the body vice supporting member 43, the body reference vice jaw 35 turns and withdraws when the body vice apparatus 39 is unclamped by a body reference vice jaw driving apparatus 51. Because a guide member 47 for the body movable vice jaw 37 is located in the upper position and the body reference vice jaw 35 turns about a hinge pin 57 located in the upper position, the malfunction of the body vice apparatus 39 due to accumulation of chips produced in cutting-off work does not occur.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting machine equipped with a body vise device for clamping a work when cutting the work.

[0002]

2. Description of the Related Art Conventionally, for example, a band saw machine as a cutting machine is
A box-shaped base is provided, and a saw blade housing having an endless band saw blade capable of traveling is provided on the base in a vertically movable manner.

Referring to FIG. 6, a main body vice device for clamping the work W positioned at the cutting position behind the cutting position when the work W is positioned at the cutting position when viewed from the work conveying direction. 201 is provided immovably in the work transfer direction. This body vice device 201
Is a pair of reference vice jaws 20 for clamping the work W.
3 and movable vice jaw 205.

The movable vice jaw 205 is a pass line PL.
A guide 20 that extends downward in the left-right direction in FIG.
7 is slidable on the movable vice cylinder 209, and is movable back and forth in a direction in which the work W is clamped with respect to the reference vice jaw 203 by the piston rod 211 of the movable vice cylinder 209.

Further, the reference vice jaw 203 is slidably provided on a guide 213 extending in the left-right direction in FIG. 6 below the pass line PL, so that when the work W is fed, The reference vice cylinder 215 is configured to retract so as not to contact.

Therefore, after the work W is positioned at the cutting position CL, the work width direction of the work W is clamped by the reference vice jaw 203 and the movable vice jaw 205 of the main body vice device 201 and cut by the band saw blade.

[0007]

By the way, in the conventional band saw machine, the reference and movable vise jaws 203, 20 are provided.
Since the guides 207 and 213 on which 5 slides are provided directly below the pass line PL, there is a problem that malfunction occurs due to the accumulation of chips and cutting oil during cutting.

Further, since the reference vise jaw 203 needs a wide guide width for a sliding distance of 3 to 5 mm, for example, there is a problem that a compact structure cannot be obtained.

The present invention has been made to solve the above-mentioned problems, and an object thereof is to prevent malfunction of the reference vice jaw and the movable vice jaw of the main body vice device due to accumulation of cutting chips and cutting oil generated during cutting. An object is to provide a cutting machine that can prevent such a problem.

[0010]

In order to achieve the above object, a cutting machine according to the present invention according to claim 1 has a main body reference side on the rear side of the cutting position when viewed from the work transfer direction for transferring the work to the cutting position. A main body vise support member having a gate shape is formed by the strut portion, the movable side strut portion of the main body, and the main body horizontal crossing portion, and the main body reference vice jaw is supported by the main body reference side strut portion so that the clamp surface of the main body reference vice jaw is supported. A body reference vise jaw drive device that is provided so as to be rotatable in a direction away from the reference vise line and that moves the body reference vise jaws back and forth to the reference vise line, and works to clamp the work in cooperation with the body reference vise jaws. Is provided with a main body vice device in which the main body movable side support is provided with a main body movable vice jaw movable in the width direction.

Therefore, since the main body reference vice jaw is supported by the main body reference side support of the main body vice support member, the main body reference vice jaw rotates when unclamped by the main body reference vice jaw driving device. fall back. In particular, since the main body reference vice jaw rotates above the cutting position by, for example, a hinge pin method, the cutting powder does not accumulate on the rotary shaft portion of the hinge pin during the cutting process.

Further, since the main body reference vice jaw is of the hinge pin type, a compact and efficient structure does not require a wide guide width as in the conventional case.

According to a second aspect of the present invention, there is provided a cutting machine according to the first aspect, wherein the main body movable vice jaw is guided and movable to a main body transverse portion of the main body vice support member through a guide member. It is characterized by being provided.

Therefore, when the movable vice jaw of the main body is unclamped, it is guided by the guide member to the main body laterally supporting portion which is the upper side of the main body vice support member and retracts, so that the cutting chips generated during the cutting process are guided by the guide member. Since it does not accumulate, the malfunction of the main body vice jaw due to the accumulation of chips as in the past is eliminated.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

Referring to FIG. 5, for example, a horizontal band saw machine 1 as a cutting machine according to this embodiment is provided with a base 3, and one side on the base 3 is provided with a guide post via a swivel base. 5 are erected. A cutting head 7 incorporating a band saw blade B as a cutting tool is guided to the guide post 5 so as to be vertically movable. The vertical movement of the cutting head 7 is performed by the operation of the lifting hydraulic cylinder 9 (driving device) provided on the swivel base on the base 3. By the action of the lifting hydraulic cylinder 9, it is possible to control the cutting of the band saw blade B with respect to the work W and the lifting and separating.

The cutting head 7 is provided with housing portions 11 and 13 which are separated from each other on both sides.
1, 13 are connected by a beam member 17 having an upper control box 15.

Housing part 1 of cutting head 7
A drive wheel 19 and a driven wheel 21 are installed in the motors 1 and 13 via shafts 23 and 25, respectively. The drive wheel 19 and the driven wheel 21 have endless band saw blades B.
Is hung around. A saw blade motor (not shown) is interlocked with the shaft 23 of the drive wheel 19. When this saw blade motor is driven, the drive wheel 19 is passed through the shaft 23.
Is driven, the drive wheel 19 and the driven wheel 2 are rotated.
The band saw blade B wound around 1 is driven to cut the work W.

A guide member 27 fixed to the beam member 17
A fixed guide member 29 and a movable guide member 31 are mounted on the fixed guide member 29 and the movable guide member 3.
1, the band saw blade B is guided and supported in the cutting region where the band saw blade B cuts the work W so that the edge of the band saw blade B faces vertically downward. In addition, the fixed guide member 29
Is fixedly attached to the guide member 27, and the movable guide member 31 is attached so that its position can be adjusted so as to correspond to the size of the work W.

A work table 33 on which the work W is placed is provided on the upper portion of the base 3. The work table 33 includes a main body reference vice jaw 35 and a main body movable vice jaw 37 which are capable of holding and fixing the work W. A main body vice device 39 is provided.

Referring to FIG. 2, the work W is cut at a cutting position C.
A feeding vise device 41 for carrying and positioning so as to be located at L is provided on the rear side of the cutting position CL when viewed from the work carrying direction. Details will be described later.

Referring also to FIG. 1, the main body vice device 39 is for holding and fixing the work W to be cut by the band saw blade B provided on the cutting head 7.
It is provided in front of the feed vise device 41 as viewed from the above-described work transfer direction, and further behind the cutting position CL.

More specifically, the main body vice device 39 described above.
Is provided with a main body reference vice jaw 35 provided on the reference vice line BL in the width direction of the work W and a main body movable vice jaw 37 movable in a direction approaching and separating from the main body reference vice jaw 35.

A gate-shaped main body vise support member 43 is provided on the upper surface of the base 3, and a main body movable vise jaw 37 is provided as a guide member on a main body laterally extending portion 45 which is an upper side of the main body vise support member 43. 1 is movably supported in the left-right direction in FIG. A body movable vice cylinder 51 is attached to the body movable side support portion 49 on the left side of the body vice support member 43 in FIG. 1, and the body movable vice jaw 37 is connected to the piston rod 53 of the body movable vice cylinder 51. The main body movable vise jaw 37 is reciprocally movable along the guide rail 47.

Further, the main body reference vise jaw 35 has a substantially rectangular tubular shape in a plane, and the main body reference vise jaw 35 is loosely attached to the main body reference side support 55 on the right side of the main body vise support member 43 in FIG. Has been inserted,
The upper portion of the main body reference vise jaw 35 has a U-shaped cross section and is supported by the main body reference side support 55 by a hinge pin 57 so that the clamp surface of the main body reference vise jaw 35 is rotatable in a direction away from the reference vise line BL. Has become.

A main body reference vise cylinder 59, which serves as a main body reference vise jaw driving device, is provided in a lower portion of the main body reference side support 55, and a piston rod 61 of the main body reference vise cylinder 59 is provided. Thus, the clamp surface of the main body reference vice jaw 35 is configured to move forward and backward to the reference vice line BL. The main body reference vice cylinder 59 has a clamp surface of the main body reference vice jaw 35 which is the reference vice line B.
A stroke amount that slightly retracts from L is sufficient.

On the rear side (upper side in FIG. 2) of the base 3, main body vice jaws 35 and 37 of the main body vice device 39 are provided.
A rear conveyor 63 for loading the work W into the space is provided at the position of the pass line PL as shown in FIG. The rear conveyor 63 is provided with a number of support rollers 67 rotatably on a conveyor support member 65 extending in the front-rear direction.

On the rear side of the main body vise support member 43, a main body upper part vice device 69 for pressing, for example, a bundle W as a work located on the pass line PL on the rear conveyor 63 from above is provided. For more details about the main body upper part vice device 69, the main body reference side support 55
On the rear side, a second reference side support portion 71 is erected on the base 3, and on the main body movable side support portion 49, for example, a bracket 73 as a second movable side support portion is projected to the rear side. It is attached integrally.

A second horizontal portion 75 is provided on the upper ends of the second reference-side support portion 71 and the bracket 73 and is configured as an upper vice support member having a substantially gate shape.
For example, a main body upper part vise cylinder 77 as a main body upper part vise driving device is provided in the second horizontal portion 75, and a piston rod 79 attached to the main body upper part vise cylinder 77 is provided so as to extend and contract downward. A body upper vice jaw 81 for pressing the bundle W from above is attached to the lower end of the piston rod 79.

The main body upper vice jaw 81 has a flat plate shape in this embodiment, and the left and right side edges of the main body upper vice jaw 81 in FIG.
1 and an upper vise guide 83 provided on the bracket 73.

The height when the upper body vice jaw 81 is at the uppermost position can clamp the maximum size of the work.

Referring also to FIG. 3, the rear conveyor 6
In order to transfer the work W of No. 3 in the forward direction, a feeding vise device 41 is provided on the rear conveyor 63 so as to be movable back and forth. That is, the feed vise device 41 includes a feed vise support member 91 that forms a gate shape from the feed movable side support 85, the feed reference side support 87, and the feed upper vise support 89, and the feed vise support 91. A movable feed vice jaw 95 that is movable in the left-right direction in FIGS. 2 and 3 via a guide rail 93 on the movable feed side support 85.
The movable feed vise cylinder 9 provided on the movable movable support column 85 for moving the movable feed vise jaw 95.
7, a feed reference vise jaw 101 that can be slightly moved in the left and right direction through the guide rail 99 to the feed reference side support portion 87 so as to be located on the reference vise line BL, and to move the feed reference vise jaw 101. A feed reference vise cylinder 103 provided on the feed reference side support portion 87,
It consists of

Further, rails 105 are provided on both left and right side surfaces of the conveyor supporting member 65 of the rear conveyor 63 in FIG.
Are provided so as to extend in the front-rear direction (the direction perpendicular to the paper surface of FIG. 3), and the feed vise support member 91 is provided with a plurality of cam followers 107 provided below the feed movable side column portion 85 and the feed reference side column portion 87. The rail 105 is sandwiched from above and below so as to be movable in the front-rear direction along the rail 105.

Further, on the front side surface of the feed vise support member 91, there is provided a feed upper vise device 109 for pressing the work W, which is a bundling material, from above. That is, the feeding upper vice device 109 is, for example, a feeding upper vice cylinder 111 as a feeding upper vice driving device provided on the feeding upper vice support portion 89 which is an upper side of the feeding vice support member 91, and a work by the feeding upper vice cylinder 111. The feed upper vice jaw 113 for pressing W from above is configured.

The upper feed vise jaw 113 has a flat plate shape in this embodiment, and the left and right side edges of the upper feed vise jaw 113 in FIGS. 2 and 3 are movable props of the feeding vise support member 91. The guide is supported along the guide rail 115 provided on the portion 85 and the feed reference side support portion 87.

The forward / backward movement of the feed vise device 41 is performed by the operation of a drive device such as a fluid pressure cylinder or a ball screw mechanism. For example, the rear conveyor 63
Is provided with a feed cylinder (not shown) having a piston rod movable in the front-rear direction at an appropriate position of the feed vise support member 9
1 is connected.

Further, in front of the base 3 (downward in FIG. 2, front side of the cutting position CL when viewed from the workpiece conveying direction), it is rotatable in the front-rear direction for supporting the cut pieces cut and separated from the work W. A front conveyor (not shown) having a large number of supporting rollers is arranged.

With the above structure, the work W as a bundling material
The feed upper vice jaws whose width direction is clamped between the feed vice jaws 95 and 101 of the feed vice device 41 and the upper surface of the work W is driven downward by the feed upper vice cylinder 111 of the feed upper vice device 109. It is pressed onto the rear conveyor 63 by 113.

The work W is fed to a position immediately after the main body upper vice jaw 81 while being clamped by the feeding vice device 41 and the upper feeding vice device 109. At this time, the main body vise device 39 and the main body upper part vise device 69 are in the unclamped state in advance, as shown in FIG. That is, the piston rod 61 of the main body reference vise cylinder 59 is retracted to move the main body reference vise jaw 3
The clamp surface 5 is retracted in a direction away from the reference vise line BL, and the main body movable vice jaw 37 is also retracted by the main body movable vice cylinder 51.

Next, the work W is clamped by the main body vice device 39 and the main body upper part vice device 69. That is, after the main body reference vise jaw 35 is moved forward by the main body reference vise cylinder 59 and the clamp surface is positioned on the reference vise line BL, the main body movable vice jaw 37 is moved forward by the main body movable vice cylinder 51 to clamp the work W. It Also, the upper body vice jaw 8
1 also presses the work W from above.

When the amount of the bundle W to be fed is longer than the moving distance of the feed vise device 41 for one stroke, the number of the bundles W repeatedly required by the feed vise device 41 is W.
Grabbing is done and the material is sent.

As described above, the bundling material W positioned at the cutting position CL remains clamped by the feed vise device 41 and the feed upper vise device 109, and further, as described above, the main body vise device 39 and the main body vise device 39. After being clamped by the upper vise device 69, it is cut by the band saw blade B.

After cutting the bundling material W, the feeding vise device 4
1 and the feeding upper vice device 109 unclamps the bundle W and retreats, and the bundle W for cutting of the next product
Grab change is performed.

In the cut bundle W, the piston rod 61 of the main body reference vise cylinder 59 is slightly retracted so that the main body reference vise jaw 35 rotates counterclockwise in FIG. Vice line B
Retreat to the extent that there is a slight gap in the direction away from L,
The main body movable vice jaw 37 is also the main body movable vice cylinder 5.
1 causes it to retreat to the extent that a slight gap is created and unclamp.

Therefore, the main body reference vise jaw 35 is rotatable by the upper hinge pin 57, and the main body movable vice jaw 37 is also guided by the guide rail 47 of the main body transverse portion 45 of the main body vice support member 43, as shown in FIG. Since it retreats to the left in, the chips generated during the cutting process do not accumulate on the guide rail 47. Therefore, the problem of malfunction due to the accumulation of cutting chips, which has been generated because the guide members of the main body vice jaws 35 and 37 are below the pass line PL, is eliminated.

Further, since the main body reference vice jaw 35 is rotatable by the hinge pin 57, a compact and efficient structure does not require a wide guide width as in the conventional case.

The present invention is not limited to the above-described embodiment, but can be implemented in other modes by making appropriate changes. In this embodiment, the horizontal band saw machine has been described as an example of the cutting machine, but a vertical band saw machine, a circular saw machine and other cutting machines may be used.

[0048]

As can be understood from the above description of the embodiment of the invention, according to the invention of claim 1, the main body reference vise jaw is supported by the main body reference side support portion of the main body vise support member. When the main body reference vise jaw drive device is unclamped, the main body reference vise jaw can be rotated to retreat. Since the cutting chips during the cutting process do not accumulate on the rotary shaft portion, it is possible to eliminate the conventional malfunction of the body vice jaw due to the accumulation of the cutting chips.

Further, since the main body reference vice jaw is of the hinge pin type, it does not require a wide guide width as in the conventional case, so that a compact and efficient structure can be obtained.

According to the second aspect of the present invention, when the movable vice jaw of the main body is unclamped, it can be retracted by being guided by the guide member to the main body transverse portion which is the upper side of the main body vice support member. Since the powder does not accumulate on the guide member, the malfunction of the body vice jaw due to the accumulation of cutting chips as in the past can be eliminated.

[Brief description of drawings]

FIG. 1 is a front view showing a state in which a work is clamped by a main body vice device according to an embodiment of the present invention.

FIG. 2 shows an embodiment of the present invention and is a plan view of a main body vise device and a feed vise device.

FIG. 3 is a front view of the feeding vise device according to the embodiment of the present invention.

FIG. 4 is a state explanatory view when a work is unclamped by the main body vice device of FIG. 1;

FIG. 5 is a front view of a horizontal band saw machine used in the embodiment of the present invention.

FIG. 6 is a front view of a body vice device of a conventional cutting machine.

[Explanation of symbols]

1 Horizontal Band Sawing Machine (Cutting Machine) 35 Main Body Reference Vise Jaw 37 Main Body Movable Vise Jaw 39 Main Body Vise Device 41 Feed Vise Device 43 Main Body Vise Support Member 45 Main Body Horizontal Section 47 Guide Rail (Guide Member) 49 Main Body Movable Side Support 55 Main body reference side support 57 Hinge pin 59 Main body reference vise cylinder (main body reference vise jaw drive device)

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Claims (2)

[Claims] 1. A main body vice support having a gate-shaped main body side support portion, a main body movable side support portion, and a main body lateral portion on the rear side of the cutting position when viewed from the work transfer direction for transferring the work to the cutting position. A main body reference vise jaw is supported on the main body reference side support portion so that the clamp surface of the main body reference vise jaw is rotatable in a direction away from the reference vise line; and the main body reference vise jaw is provided as a reference vise line. A main body reference vice jaw drive device for moving the main body reference vice jaw into and out of the main body reference vice jaw, and a main body movable vice jaw movable in the width direction of the work to clamp the work in cooperation with the main body reference vice jaw. A cutting machine provided with a main body vice device. 2. The cutting machine according to claim 1, wherein the main body movable vice jaw is provided on the main body laterally supporting portion of the main body vice support member so as to be guided and movable via a guide member.