JPH0413056Y2 - - Google Patents

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial field of application) The present invention is equipped with a scrap kicking device for discharging scraps on a table backwards, and also has a device for kicking out scraps on a table. The present invention relates to a shearing machine equipped with an unloading device that is magnetically attached to the lower surface and unloaded in a rearward direction.

(Prior Art) Conventionally, there are four types of methods for cutting a board into width in a certain direction using a shearing machine, depending on whether edge cutting is performed or not, and whether there are scraps or not. Among these methods, in cutting with scraps, the size of the scraps is small, for example, about 3 to 6 mm, in order to improve the yield of the board, and the edge is cut by a kicking device installed on the front side of the upper frame. The wood is kicked out and stored in a scrap box located at the bottom of the machine.

(Problem to be solved by the invention) However, when the above-mentioned conventional kicking device kicks out the scraps to store them in the scrap box, the tip of the processing section side of the conveyor band provided on the rear side It is attracted to the permanent magnetic roller installed in the section. As a result, there is a problem in that scraps may get mixed into the stack of cut products, causing problems in subsequent processing.

Another disadvantage is that the operating speed of the kicking device cannot be increased in order to minimize the above-mentioned problems.

[Structure of the invention] (Means for solving the problems) In view of the conventional problems as mentioned above, the present invention has the following features:
A slide equipped with an upper blade that shears the plate material in cooperation with a lower blade attached to a table integrated with the frame is provided on the frame so as to be movable up and down, and the scraps on the table are discharged backwards. A device for kicking out offcuts is provided, and a transporting device is provided between the lower blade and the upper blade for transporting the sheet material sheared by the lower blade and the upper blade in a backward direction by magnetically attaching the sheet material to the lower surface. When the scraps on the table are discharged backwards by the scraps kicking device, the shearing machine is disposed behind the shearing position by A scrap removal member is provided on the carry-out conveyance device so as to be able to protrude in the direction of the shearing position to prevent the scraps from being magnetically attached to the carry-out conveyance device.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

Referring to FIG. 1, a fixed lower blade 7 is attached to the upper rear surface of a table 5 attached to a lower frame 3 of a shearing machine 1. A movable upper blade 17 is provided on a slide 15 that moves up and down while being guided by guide rollers 11 and 13 attached to a part of the upper frame 9 relative to the fixed lower blade 7.

The vertical movement of the slide 15 is performed by the vertical movement of the connecting rod 21 via a shaft 19 attached to the lower part of the slide 15. More specifically, the other connecting rod 21 is rotatably supported eccentrically on a shaft 23, and one pulley 25 is attached to the shaft 23. On the other hand, a drive motor (not shown) is attached to the upper frame 9, and the other pulley 27 is attached to the drive motor. A belt 29 such as a timing belt is attached to one pulley 25 and the other pulley 27.
is wrapped around it.

With the above configuration, when the drive motor (not shown) is driven, the shaft 23 is rotated via the pulley 27, belt 29, and pulley 25. By rotating the shaft 23, the connecting rod 21 moves up and down, and the slide 15 moves up and down. The movable upper blade 17 moves up and down as the slide 15 moves up and down, and shearing processing is performed on the plate material W placed and pressed on the fixed lower blade 7.

Note that when slide 15 rises, slide 1
One of the balance cylinders 31 for balancing the slide 15 itself is provided at the lower part of the slide 15, and the other balance cylinder 31 is provided at a part of the upper frame 9.

In front and behind the processing position where the fixed lower blade 7 and the movable upper blade 17 perform the shearing process in cooperation with each other in the shearing machine 1, there is a conveying device 33 for carrying in the plate material W.
A transport device 35 for carrying out is provided. More specifically, as shown in FIGS. 2, 3, and 4, a transport drive motor 37 is attached to a part of the left side of the upper frame 9. A drive transmission device 39 including a pulley and a belt is connected, and the drive transmission device 39 drives the carrying-in conveying device 33 and the carrying-out conveying device 35. Note that the carrying-in conveying device 33 and the carrying-out conveying device 35 are constituted by electromagnetic belt conveyors of almost the same type.

Behind the processing position, a back gauge device 41 is provided which is movable in the left and right directions in the transport direction of the plate material W in FIG. The backing plate material W is positioned.

In front of the slide 15 and on the left side in FIG. 1, there is a rod 45 extending in the vertical direction.
5 and is moved up and down together with the slide 15. A plate material holding member 47 is integrally attached to the lower part of the rod 45. Rod 45
A spring 49 is interposed around the outer circumference of the
It is designed to be biased downward.

With the above configuration, when the slide 15 is moved up and down, the movable upper blade 17 attached to the lower part of the slide 15 moves up and down with respect to the fixed lower blade 7, and before the shearing process is performed, a spring is attached to the slide 15 via the rod 45. The plate material pressing member 47 urged downward by the member 49 presses the plate material W.

The end material of the plate material W cut by the cooperation of the movable upper blade 17 and the fixed lower blade 7 is cut by a link mechanism provided on the entire surface of the slide 15 (on the left side in FIG. 1). The material kicking device 51 kicks out the scraps by driving a drive source (not shown).

The scraps kicked out in this way fall into a scrap box 53 installed inside the lower frame 3 and are processed.

Further, a side gauge 55 serving as a reference in the width direction of the plate material W is mounted on the upper side of the conveyor device 33 for carrying in the plate material.

Next, one embodiment of the carrying-in conveying device 33 and the carrying-out conveying device 35 equipped with the plate automatic feeder 57, which are the main parts of this embodiment, will be explained in more detail with reference to FIGS. 2 to 5. . In addition, the plate material automatic feeder 57 provided in each transport device for carrying in and carrying out
Since they have the same configuration, the explanation will be given by taking the unloading conveyance device 35 as an example.

In FIGS. 2 to 5, a pulley 61 is attached to the conveyance drive motor 37 via an output shaft 59. A box-shaped support member 63 extending in the left-right direction is attached to support frames 9L and 9R (see FIG. 3) at the left and right ends of the upper frame 9.

This support member 63 has a plurality of bearing units 65.
A shaft 67 is provided which extends horizontally and in the left-right direction. (See Figure 5) The upper frame 9
A pulley 6 is attached to the shaft 67 on the outside of the left end of the
9 is rotatably supported, and a belt 71 such as a timing belt is wound around this pulley 69 and the pulley 61. A plurality of pulleys 73 having a smaller diameter than the pulley 69 are rotatably supported on the shaft 67 .

A rotatable pulley 75 is supported by a portion of each bearing unit 65 below the shaft 67, and a belt 77 such as a timing belt is wound around the pulleys 73 and 75. An idler pulley 79 is provided on the left side of a portion of the belt 77 in FIG.
7 tension can be adjusted.

With the above configuration, when the transport drive motor 37 is driven, rotation is transmitted to the pulley 69 via the output shaft 59, the pulley 61, and the belt 71. When the rotation is transmitted to the pulley 69, the shaft 6
7. Rotation is transmitted to the pulley 75 via the pulley 73 and the belt 77.

A box-shaped support member 83 is provided at the rear end of the upper frame 9 between the support frames 9L and 9R (the right end in FIG. 2, the upper end in FIG. 3).
In the figure, it is supported by extending in the left and right direction,
A cover 85 is provided over the entire surface of the support member 83.
is covered. Inside the cover 85, a plurality of bearing units 87 are mounted on the support member 83 at predetermined intervals with bolts 89 or the like.

A shaft 91 is rotatably fitted into the bearing unit 87, and a plurality of shafts, e.g. One end of each link 93 is fitted to the center of the shaft 91 integrated with the shaft 91 via an eccentric roller 91R. As shown in FIG. 2, each link 93 protrudes downward through a hole bored in the support member 83.
The other end is attached to a pair of support blocks 97 via support pins 95.

In the lower part of the support member 63 in FIG.
A plurality of support blocks 99 in the shape of a square prism, for example eight pieces.
are attached to each support block 99, and support plates 103 are attached to both sides of each support block 99 via pivot pins 101.
is pivoted so that it can swing freely. Support plate 103
In FIG. 2, a conveyor frame 105 extending in the left-right direction is fixed with a plurality of support pins 107. The second rear end of the conveyor frame 105
In the figure, the right end is the pair of support blocks 97.
It is fixed with a plurality of support pins 109. A conveyance roller 111 is rotatably supported on the support block 97.

A support block 113 is fixed to the front of the conveyor plate 105 with a plurality of support pins 115. Moreover, two transport rollers 117 and 119 are rotatably supported on the support block 113, and the transport roller 117 is a permanent magnet.

An idler pulley 12 is attached to the support plate 103.
1 is rotatably supported, and a tension adjustment device 123 is provided.

The pulley 75, the conveyance rollers 111, 117,
An endless conveyance belt 125 is wound around the idler pulley 119 and the idler pulley 121, and the tension of the conveyance belt 125 is adjusted by a tension adjustment device 123.

The rotation transmitted to the pulley 75 by driving the conveyance drive motor 37 causes the conveyance belt 125 to run, for example, in the right direction as indicated by the arrow in FIG. Since a plurality of magnets 127 such as electromagnets and permanent magnets are attached to the conveyor frame 105, when the cut plate material is transported and carried out by the conveyor band 125 by the cooperation of the fixed lower blade 7 and the movable upper blade 17, , the plate material is attracted to the lower surface of the conveyance belt 125 and conveyed.

A conveyor frame 105 is attached to one end of the shaft 91.
An operating handle 129 is attached for swinging the pivot pin 101 as a fulcrum. More specifically, as shown in the upper left of FIG. 3 and in FIG. 6, a support block 133 is integrated with the left end of the shaft 91 by a support pin 131. Support block 1
A ball 135 is placed on one side of 33, for example, on a part of the right side.
is installed. On the other hand, a nut member 137 with a spring is attached to the left end of the support member 83. One end of the operating handle 129 is attached to the support block 133 with a screw or the like, and an operating knob 139 is attached to the other end of the operating handle 129.

With the above configuration, when the operator grasps the operating knob 139 and turns the operating handle 129, the shaft 91 rotates and the ball 135 and the spring-loaded nut member 137 are rotated.
locked due to the relationship with When the shaft 91 rotates,
The link 93 moves upward in FIG. 2, and since the conveyor frame 105 is integrated with the link 93 via the support block 97, the pivot pin 1
It swings with 01 as the fulcrum. That is, the right end of the conveyor frame 105 in FIG. 2 moves upward, and the left end moves downward. As the left end of the conveyor frame 105 moves downward, the conveyance roller 117 of the conveyance band 125 moves downward, and the gap through which the cut plate material is conveyed is adjusted. This gap can be adjusted according to changes in the thickness of the plate material. Therefore, instead of setting the magnetic force of the magnet to be attracted to the minimum thickness of the plate material,
It is possible to stably attract and convey the material with a magnetic force weaker than that magnetic force.

A scrap removal member of a scrap removal device 141 is provided on the front side of the conveyor frame 105 so as to be able to protrude from the conveyor frame 105. More specifically, as shown in FIGS. 2 and 3,
A plurality of bearing units 143 are attached to the left side of the support member 63 in FIG. 2, and a rod 145 extending in the left-right direction in FIG. 3 is rotatably supported on the bearing unit 143.

One end of a link 147 is integrally attached to approximately the center of the rod 145 in the left-right direction in FIG. . 2nd piston rod 149
In the figure, a fluid cylinder 153 such as an air cylinder for moving in the left and right direction is connected to the piston rod 149, and the fluid cylinder 1
53 is fixed to the upper end of a support block 155 attached to the right side of the support member 63 in FIG.

The rod 145 is located near one side of each conveyor frame 105, for example, the right side in FIG.
A link 157 is integrally attached to the. One end of a bar 159 is integrally formed with the link 157 by a support pin, and a bifurcated link 161 is integrally formed with the other end of the bar 159 by a support pin. A scrap removal member 163 is provided at one end of the bifurcated link 161.

When the scraps are kicked out by the scraps kicking device 51 shown in FIG. 1 with the position of the scraps dropping member 163 shown in FIG. It will be stored in the scrap box 53.

To explain the operation of the scrap removal device 141, the second
When the fluid cylinder 153 is operated from the state shown in the figure and the piston rod 149 is moved to the left in FIG.
For example, rotates counterclockwise. rod 14
5 rotates counterclockwise, the bar 159 moves to the right via the link 157, and the bifurcated link 161 further rotates clockwise.

When the bifurcated link 161 rotates clockwise, the scrap removal member 163 provided at one tip of the bifurcated link 161 moves upward and waits at a standby position. The state in which the offcuts dropping member 163 is waiting at the standby position is usually when a board is being cut.

The scrap material dropping member 16 is moved from the standby position to the state shown in FIG.
In order to move the piston rod 14 downward, the fluid cylinder 153 is actuated in the opposite manner to the above-described operation, and the piston rod 14 is moved downward.
9 to the right in FIG.

Therefore, by providing the scrap scraping member 163 at the tip of the conveyor frame 103 on the processing section side and protruding from the conveyor frame 103, when scrap scraps are kicked out by the scrap kicking device 51, The scraps collide with the scrap dropping member 163 and are securely stored in the scrap box 53. Then,
This prevents scraps from getting mixed into cut products. Furthermore, since the operation speed of the offcut kicking device 51 can be performed reliably, it can be made faster than in the past.

Note that the present invention is not limited to the embodiments described above, but can be implemented in other forms by making appropriate changes.

[Effects of the invention] As can be understood from the above description of the embodiments, the present invention works in cooperation with the lower blade 7 attached to the table 5 provided integrally with the frame to cut the plate material W.
A slide 15 equipped with an upper blade 17 for shearing is provided on the frame so as to be movable up and down. 7 and upper blade 17
In this shearing machine, an unloading conveying device 35 for magnetically attaching the plate material sheared by the lower surface to the lower surface and conveying it backward is provided behind the shearing position by the lower blade 7 and the upper blade 17. , the scrap material kicking device 5
1 prevents the scraps from being magnetically attached to the carry-out conveyance device 35 by protruding in the direction of the shearing position from the carry-out conveyance device 35 when the scraps on the table 5 are discharged backward. A scrap scrap dropping member 163 is provided on the unloading conveyance device 35 so as to be able to protrude in the direction of the shearing position.

As is clear from the above configuration, the present invention includes a scrap kicking device 51 for discharging the scraps on the table 5 in the rear direction, and a plate material sheared by the lower blade 7 and the upper blade 17. The present invention relates to a shearing machine comprising an unloading conveying device 35 that is magnetically attached to the lower surface and conveyed backward, and in the present invention,
When the scraps are discharged backward by the scraps kicking device 51, a scraps dropping member 163 for preventing the scraps from being magnetically attached to the carrying device 35 for carrying out from the transport device 35 to the lower blade 7,
Since it is provided so as to be able to protrude freely in the direction of the shearing position by the upper blade 17, the scraps discharged backward by the scrap kicking device 51 will not be magnetically attached to the conveyance device 35 for carrying out. This allows scraps to fall without fail.

[Brief explanation of the drawing]

FIG. 1 is a partial cross-sectional side view of a shearing machine according to an embodiment of the present invention. 2 is an enlarged view of the main part in the direction of the arrow in FIG. 1, FIG. 3 is a plan view in FIG. 2, and FIG. 4 is a left side view in FIG. 3. FIG. 5 is a sectional view taken along the - line in FIG. 3. FIG. 6 is a sectional view taken along the - line in FIG. 3. Explanation of the symbols representing the main parts of the drawing, 1...
Shearing machine, 7...Fixed lower blade, 17...
Movable upper blade, 57...Plate automatic feeding device, 101...
...Pivot pin, 105...Conveyor frame, 11
1,117,119...conveyance roller, 125...
Conveyance belt, 129... Operation handle, 141... Offcuts dropping device, 153... Fluid cylinder, 163...
...A part for removing scraps.

Claims (1)

[Scope of utility model registration request] The upper blade 1 shears the plate material W in cooperation with the lower blade 7 attached to the table 5 provided integrally with the frame.
7 is provided on the frame so as to be movable up and down, and a scrap kicking device 51 is provided for discharging the scraps on the table 5 in the rear direction. A shearing machine is provided with an unloading conveyance device 35 that magnetically attaches the plate material sheared by the lower surface to the lower surface and conveys it in the rear direction, at the rear side of the shearing position by the lower blade 7 and the upper blade 17, When the offcuts on the table 5 are discharged backward by the offcut kicking device 51, the offcuts protrude from the unloading conveyance device 35 in the direction of the shearing position, and the offcuts are magnetized by the unloading conveyance device 35. A shearing machine characterized in that a scrap removal member 163 for preventing scraps from being stuck is provided on the carry-out conveyance device 35 so as to be able to protrude in the direction of the shearing position.