KR100839101B1 - Plywood cutting machine - Google Patents

Abstract

A plywood cutting device is provided to measure a size of plywood and to prevent moving of the plywood by installing a first and a second pressing unit at a front and a rear of a transport unit of a standard rest. A plywood cutting device comprises the followings: a support(11) installed on the ground; a working table(10) installed on the support, including an upper plate(13), to mount plywood; a pair of transport rails(30) installed at both ends of the working table; a cutting unit(50) installed at a side of the working table to be lifted vertically from the transport rail, to cut the plywood; and a standard rest(70) transporting along the transport rail and holding an end of the plywood. The standard rest includes: a transport unit(71) installed to transport along the transport rail; a first connecting unit(73) and a second connecting unit(75) installed at a front and a rear end; a first pressing unit(81) and a second pressing unit(83) installed to the first and the second connecting unit respectively, to hold an end of the plywood; and a first cylinder(91) installed at the transport unit and a second cylinder(93) installed at the second connecting unit, to lift and lower the first and the second connecting unit respectively.

Description

Plywood cutting machine

1 is a perspective view showing a conventional plywood cutting device

2a to 2c is a plan view schematically showing the operation and problems of the conventional plywood cutting device

3 is a perspective view showing a plywood cutting device according to a preferred embodiment of the present invention

Figure 4 is a perspective view showing the scaffold of the plywood cutting device according to a preferred embodiment of the present invention

5a and 5b is a plan view showing the action of the plywood cutting device according to a preferred embodiment of the present invention

Figures 6a and 6b is a side view schematically showing the scaffolding action of the plywood cutting device according to a preferred embodiment of the present invention

7 is a plan view showing a plywood cutting device according to another embodiment of the present invention

Figure 8 is a perspective view showing the main portion of the plywood cutting device according to another embodiment of the present invention.

* Description of Major Symbols in Drawings *

10: workbench 11: top plate

30: transfer rail 50: cutting device

70: screed 71: moving unit

73: first connecting member 73a: first cylinder support piece

75: second connecting member 75a: second cylinder support piece

75b: connecting piece 94: extension bar

80: close contact 81: first contact

83: second contact table 90: cylinder

91: first cylinder 93: second cylinder

94: extension bar 95: third close contact

95a, 96a: Supporting part 95b: 3rd cylinder

96b: Jecylinder

The present invention relates to a plywood cutting device, and more particularly to a plywood cutting device of an improved structure to make efficient use of the work space.

Generally, a plywood cutting device is a device used when cutting wood such as plywood, and comprises a working saw on which a machine saw and plywood to be cut by the machine saw are placed.

In other words, by supplying power to the machine saw to rotate the machine saw or to rotate the machine saw is a straight motion while cutting the plywood.

At this time, the machine saw is usually a circular circular saw, the circular saw is to cut the plywood and the like seated on the work table while rotating.

Hereinafter, a conventional plywood cutting device will be described with reference to FIGS. 1 to 2C.

As shown in Figure 1, the plywood cutting device is supported by a plurality of legs (1) while the work table 5, the work proceeds in a state where the plywood or the like is seated on the upper plate (3), A scaffold 7 installed across the top plate 3 to support one end of the plywood seated on the top plate 3, and not shown, is installed to be elevated on one side of the work table 5, according to the operator's choice. It is configured to include a cutting device for lowering and cutting the plywood.

At this time, the cutting device is configured to include a circular saw that is rotated under power.

In addition, the guide conveying rail 6 is installed on one side of the upper plate 3 so that the scaffold 7 can be moved in the longitudinal direction of the worktable 5 according to the size of the plywood being cut.

On the other hand, the screed 7 is a guide member 7a which is moved along the guide conveyance rail 6, the contact table 7b which crosses the upper plate 3 from the guide member 7a, and the guide member. It comprises a fixing lever (7c) for fixing the (7a) to the guide feed rail (6).

By such a configuration, after positioning the screed base 7 while moving the guide member 7a on the guide feed rail 6 according to the cutting length of the plywood, the guide member 7a is used by the fixing lever 7c. ) Is fixed to the guide feed rail (6) to adjust the position of the screed (7).

Hereinafter, the operation of the conventional plywood cutting device will be described with reference to FIGS. 2A to 2C.

Figure 2a shows the case that the length of the plywood is cut relatively short.

First, the plywood to be cut is placed on the upper plate 3 of the work table 5.

Then, the cutting length of the plywood is adjusted while moving the screed (7). At this time, the guide member 7a of the screed 7 is moved along the guide feed rail 6 to the right side (in the drawing) of the top plate 3 to determine the length to be cut of the plywood, screed 7 The heavy contact 7b supports one end of a predetermined length of plywood to be cut to prevent the plywood from flowing.

At this time, the fixing lever 7c of the screed 7 is in a state where the guide member 6 is fixed to the guide conveying rail 6.

Then, the cutting device is lowered and the circular saw is rotated to cut the plywood.

2B illustrates a case where the length of the plywood is relatively long.

First, the plywood to be cut is placed on the upper plate 3 of the work table 5.

Thereafter, the cutting length of the plywood is adjusted while moving the scaffold 7. As long as the length of the plywood is to be cut, the scaffold 7 is the end of the work table 5 and the top plate 3 (right side in the drawing). Is moved to.

At this time, the guide member 7a of the scaffold 7 as shown in Figure 2a is moved to the right side of the top plate 3 along the guide conveying rail 6 to determine the length to be cut of the plywood, among the screed 7 The contact table 7b supports one end of a predetermined length of plywood to be cut to prevent the plywood from flowing.

Of course, even in this case, the fixing lever 7c fixes the guide member 7a to the guide feed rail 6.

Then, the cutting device is lowered and the circular saw is rotated to cut the plywood.

At this time, the conventional plywood cutting device has the following problems.

As shown in FIG. 2B, when the cutting length of the plywood is long, the guide member 7a of the scaffold 7 is located outside the range of the upper plate 3.

Accordingly, the work space is reduced by the length (L) of the guide member out of the range of the top plate, a problem arises that the work space is not used efficiently.

Of course, the guide member 7a of the scaffold 7 may be installed on the upper plate 3 side with respect to the contact table 7b. In this case, as shown in FIG. 2C, the length of the plywood is shortened. When cutting is out of the range of the top plate (3).

Accordingly, there is a problem that the work space is reduced by the length (L) of the guide member out of the top plate.

In addition, because of the nature of the workspace, it is possible to determine whether or not to move the work equipment, such as forklift, depending on the small space difference, it is very important to use the workspace efficiently.

The present invention has been made to solve the above problems, an object of the present invention is to provide a plywood cutting device is installed scaffold of the improved structure so that the workspace can be used efficiently.

The present invention for achieving the above object is a work table including a support that is supported on the ground and the top plate is installed on the support to seat the plywood, a pair of transfer rails respectively installed at both ends of the work table, and In the plywood cutting device is installed on one side of the workbench to be elevated in the vertical direction with respect to the conveying rail and comprises a cutting device for cutting the plywood, and a scaffold for supporting one end of the plywood while moving along the conveying rail, The scaffold is installed so as to move along the conveying rail and the front and rear ends of the moving direction do not deviate from the length of the conveying rail, and the front and rear ends of the moving part are respectively hinged to each other by the hinge. The first connecting member and the second connecting member which are rotated, and the first connecting member and the second connecting member, respectively, And a first cylinder and a second contact member, which are supported by the first contact member and the second contact member, and a first cylinder installed on the moving part and a second cylinder installed on the moving part, respectively, by elevating the first connecting member and the second connecting member. It provides a plywood cutting device characterized in that.

At this time, the first connecting member further includes a first cylinder support piece extending from one side toward the first cylinder side, wherein the first cylinder support piece is supported by the first cylinder piston rod and is reciprocated by the piston rod. It is preferable to be elevated.

In addition, a second cylinder support piece extending outwardly from this end is further formed at an end portion of the moving part in which the second connection member is installed, and the second cylinder support piece is connected to a connection piece for connecting the second cylinder and the second contact table. It is preferable that the piston rod of the installed second cylinder is supported so that the connecting piece is lifted about the hinge by reciprocation of the piston rod.

In addition, the scaffolding further includes an extension bar extending outwardly from the moving part, and a third contact table and a fourth contact table installed by the hinge and supporting the end of the plywood, the third contact table and The fourth contact table includes a support having a cross-section of a "c" shape having a receiving groove for receiving an end of the plywood, and a third cylinder and a fourth cylinder installed at the support to allow the piston rod to selectively support the end of the plywood. It is preferable to include.

Hereinafter, with reference to the accompanying Figures 3 to 8 will be described a plywood cutting device according to a preferred embodiment of the present invention.

As shown in Figure 3 and 4, the plywood cutting device is composed of a work table 10, a transfer feed rail 30, a cutting device 50, and a screed base 70.

The work table 10 provides a space in which the plywood is processed, and includes a plurality of supports 11 supported on the ground, and an upper plate 13 installed on the support 11 to seat the plywood.

At this time, the top plate 11 is preferably formed in a rectangle. This is because the shape of the plywood is usually formed in a rectangular shape, so that the plywood is smoothly moved in the state in which the plywood is seated or seated on the top plate (11).

In addition, the conveying rail 30 conveys the screed table 70 and is installed in pairs on both sides of the work table 10, respectively, in the long side direction of the work table 10.

At this time, the transfer rail 30 is preferably made of a long bar (bar) shape, it is more preferable that the LM guide rail.

And, the cutting device 50 serves to cut the plywood seated on the top plate 11 of the work table (10).

The cutting device 50 is installed in a direction perpendicular to the conveying rail 30 on one side of the work table 10, is disposed above the upper plate 11 is selectively lifted by the operator.

Then, the scaffold 70 measures the length to be cut of the plywood seated on the top plate 11, and supports one end of the plywood so that the measured plywood does not flow.

The screed base 70 is installed on the conveying rail 30, and moves along the conveying rail 30 in the longitudinal direction of the work table 10.

At this time, the screed 70 is configured to include a moving part 71, the contact table 80, and the cylinder 90.

The moving unit 71 moves along the transfer rail 30 to move the close contact 73, and both ends are installed on the transfer rail 30 to traverse a short side of the upper plate 11. .

The moving part 71 is formed in a rectangular shape across the top plate 11, and a fixed cylinder 71a for fixing the moving part 71 is installed at one side of the moving part 71.

In addition, in order to help understanding, when the right side of the moving part 71 on the figure (FIG. 5A) is called the front of the moving part 71, and the left side of the moving part 71 is the back of the moving part 71, the moving part ( The front and rear ends of the 71 are installed so as not to leave the transfer rail 30.

In addition, the first connection member 73 and the second connection member 75 are installed at the front end and the rear end of the moving part 71.

The first connecting member 73 and the second connecting member 75 serve to separate the first contacting member and the second contacting member to be described later from the upper plate 11 of the work table 10, the first connecting member ( 73 is provided with a first contact bracket and a second contact member 75 is provided with a second contact bracket.

In this case, as shown in FIGS. 5A to 6B, the first connection member 73 is installed at the front end of the moving part 71 so as to be vertically elevated by the first cylinder to be described later, and the second connection member ( 75 is provided at the rear end of the moving part 71 to move up and down by drawing the trajectory of the arc by the 2nd cylinder mentioned later.

At this time, when the first connection member 73 is lifted by the first cylinder on both sides of the first connection member 73, the first cylinder support piece (73a) that is supported by the first cylinder is formed.

The first cylinder support piece 73a extends from both sides of the first connecting member 73 toward the transfer rail 30 side.

Further, second cylinder support pieces 75a are formed at both rear ends of the moving part 71. The second cylinder support piece 75a serves to support the second cylinder when the second connecting member 75 is lifted by the second cylinder.

At this time, the second connection member 75 is preferably connected to each other by the hinge (H) so that the second connection member 75 and the moving portion 71 can be elevated while drawing the trajectory of the arc.

In addition, both sides of the second connecting member 75 is provided with a connecting piece 75b for installing the second contact table described later.

The connecting piece 75b is installed to extend outwardly from the second connecting member 75 toward the second close contact side.

In addition, the close contact 80 serves to prevent the flow of plywood is cut by supporting one end of the plywood.

The contact table 80 is a first contact table 81 for supporting the plywood when cutting the plywood to a relatively short length and a second contact table 83 for supporting the plywood when cutting the plywood to a relatively long length It is composed.

At this time, as described above, the first contact table 81 is installed on the first connecting member 73 provided in the front end of the moving part 71, the second contact table 83 is the moving part 71 of the It is installed on the connecting piece 75b extending from the second connecting member 73.

On the other hand, as shown in Figure 5a and 5b, the contact table 80 is installed so as to cross the top plate 11 of the work table 10, the plywood moving direction in the top plate 11 It is installed in the vertical direction with respect to.

In addition, the cylinder 90 serves to elevate the first connection member 73 and the second connection member 75, and includes a first cylinder 91 and a second cylinder 93.

The first cylinder 91 and the second cylinder 93 are configured to include a body (91a, 93a) and a piston rod (91b, 93b), respectively.

At this time, the body 91a of the first cylinder 91 is fixed to the moving part 71, and the piston rod 91b moves up and down while supporting the first cylinder support piece 73a. 1 Raise the connecting member 73 vertically.

In addition, the body 93a of the second cylinder 93 is installed on the upper surface of the connecting piece 75b installed on the second connecting member 75, and the piston rod 93b of the second cylinder 93 is the connecting piece 75b. It is installed so as to be supported by the second cylinder support piece (75a) through.

That is, the second cylinder 93 may be viewed as installed upside down on the connecting piece 75b.

On the other hand, the size handle 100 is installed on one side of the moving part (71). Dimension handle 100 serves as a handle for the operator to move the moving portion (71).

At this time, the scale handle 100 is displayed a scale for measuring the length of the plywood.

Hereinafter, the operation of the plywood cutting device according to the above configuration will be described.

First, the plywood to be cut is placed on the top plate 11 of the work table (10).

At this time, the cutting device 50 located above the work table 10 is arranged to match the front end of the transfer rail (30).

Thereafter, the cutting length of the plywood is measured while moving the moving part 71 of the screed base 70 using the size handle 100, and then the moving part 71 is transferred using the fixed cylinder 71a. It is fixed to the rail (30).

Next, as shown in FIGS. 5A and 5B, one end of the plywood is closely adhered to the first holder 81 to prevent the flow of the plywood.

Next, the cutting device 50 disposed above the work table 10 is lowered to cut the plywood in which the cutting length is measured.

On the other hand, when the work proceeds to the cutting length of the plywood to the maximum, as shown in Figure 5b, the moving part 71 so that the second close contact 83 is located on the leftmost (in the drawing) of the top plate 11 Move to the left side of the top plate 11.

Next, as shown in FIG. 6B, the first contact table 81 is raised upward by using the first cylinder 91.

Accordingly, the first cylinder support piece 73a supported by the piston rod 91b is vertically raised, and the first connection member 73 on which the first cylinder support piece 73a is formed also has a first contact table ( 81), and it moves up and down to secure the moving width of the plywood.

At this time, the plywood is pushed into the space formed between the first contact table 81 and the top plate 11 so that one end of the plywood adheres to the second contact table 83.

Thereafter, the cutting device 50 disposed above the work table 10 is lowered to cut the plywood having the cutting length measured.

In this way, the first and second contact tables 81 and 83 are installed at the front and rear ends of the moving part 71 to prevent the flow of the plywood. Even if the cutting length is maximized or minimized, the scaffold 70 does not leave the range of the worktable 10.

That is, the space utilization of the plywood cutting device installed in the limited work space can be maximized.

On the other hand, in the above-described preferred embodiment, if you want to cut the length of the plywood longer, the plywood is bound to leave the workbench.

At this time, a support device for supporting a part of the plywood off the workbench is required.

Hereinafter, an embodiment in which the separate support device is further installed will be described with reference to FIGS. 7 and 8 as another embodiment of the present invention.

As can be seen through Figure 7, another embodiment of the present invention has the same configuration as the preferred embodiment of the present invention, it can be seen that the support device is further installed on the moving part of the scaffold.

Accordingly, the same components as in the preferred embodiment of the present invention will be denoted by the reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 7, the plywood cutting unit 70 of the plywood cutting device includes an extension bar 94 having one end installed at the moving part 71 and extending outwardly, the other end of the extension bar 94, and the other end thereof. It is further provided with a third contact table 95 and a fourth contact table 96 installed at a position spaced apart from the end to support one end of the plywood exceeding the length of the transfer rail 30.

At this time, the extension bar 94 is disposed on the outside of the transfer rail 30, one end of the extension bar 94 is installed to match the front end of the moving part (71).

In addition, two hinges (H) are provided on the extension bar (94), and the third contact table (95) and the fourth contact table (96) are rotatably installed around the shaft (H), respectively.

The third contact table 95 and the fourth contact table 96 are respectively provided with support portions 95a and 96a having receiving grooves for accommodating one end of the plywood, and the piston rods are installed on the upper portions of the support portions 95a and 96a. And a third cylinder 95b and a fourth cylinder 96b penetrated through the receiving groove.

At this time, the side cross-section of the support (95a, 96a) is preferably formed in the "c" shape.

Hereinafter, the operation of the plywood cutting device according to another embodiment of the present invention having the above configuration will be described.

First, the plywood is placed on the top plate of the work bench.

Next, the moving part 71 of the screed base 70 is moved by the cutting length of the plywood using the dimension handle 100.

At this time, the extension bar 94 installed on the moving part 71 is also moved along the moving part 71.

Next, the first cylinder 91 is operated to raise the first connection member 73. Accordingly, the first contact table 81 installed on the first connection member 73 is also lifted and spaced apart from the top plate 11.

Next, the second cylinder 93 is operated. At this time, the piston rod 93b is pulled out of the body 93a and raises the connecting piece 75b while supporting the second cylinder support piece 75a.

Accordingly, the second close contact 83 and the second connecting member 75 connected to the connecting piece 75b are rotated around the hinge H installed between the second connecting member 75 and the moving part 71. The space between the top plate 11 and the second contact table 83 is secured.

Next, the support portion 95a of the third contact table 95 installed in the extension bar 94 by passing the plywood seated on the upper plate 11 to the lower side of the first contact table 81 and the second contact table 83. ) Insert into receiving groove.

Thereafter, the piston rod of the third cylinder (95b) to support one end of the plywood inserted into the receiving groove.

Next, the cutting device 50 is lowered to cut the plywood.

At this time, one end of the plywood is supported by the third cylinder (95b) of the third close contact 95, when the moving part 71 is returned to its original position, the cut plywood can be easily returned to the original position Will be.

On the other hand, when cutting the plywood to the length beyond the third close contact 95, the third close contact 95 is rotated above the extension bar 94.

That is, when the plywood is moved while being rotated upward of the extension bar 94 around the axis of the hinge H, the third contact table 95 does not interfere with the plywood.

Next, one end of the plywood is supported by the fourth contact table 96 in the same manner as the third contact table 95.

Thereafter, a series of cutting operations are completed, and the plywood is returned to the original position of the work table by the movement of the moving part 71.

In this way, the extension bar 94 including the third contact table 95 and the fourth contact table 96 is further installed, thereby making it possible to cut the cutting length of the plywood longer.

In particular, one end of the extension bar 94 coincides with the front end of the moving part 71 so that a portion of the extension bar 94 overlaps the transfer rail 30 by the length of the transfer rail 30, thereby extending by the overlapped length. The moving space of the bar 94 is reduced.

According to the plywood cutting device according to the embodiments of the present invention, the first contact table and the second contact table for supporting one end of the plywood are respectively installed in the front and rear ends of the movable section of the screed, so that the screed platform does not leave the work bench. Even in the dimensional measurement of the plywood and it is possible to prevent the flow of the plywood.

Accordingly, the space utilization of the plywood cutting device installed in the limited work space will be maximized.

In addition, one end of the plywood is supported by the piston rod of the cylinder, so that the third contact table and the fourth contact table have an effect of easily returning the cut plywood to its original position after the cutting operation of the plywood is completed.

Claims (4)

A work table 10 including a support 11 supported on the ground and an upper plate 13 installed on an upper portion of the support 11 to seat the plywood, and a pair of work pairs respectively installed at both ends of the work platform 10. Transport rail 30 and the cutting device 50 for cutting the plywood and installed on one side of the work table 10 in a vertical direction with respect to the transport rail 30, along the transport rail 30 In the plywood cutting device configured to include a scaffold 70 to support one end of the plywood while being moved, The screed 70 is It is installed to move along the conveying rail 30, the moving part 71 and the front and rear ends of the moving direction do not deviate from the length of the conveying rail 30, and the front and rear ends of the moving part 71, respectively A first connecting member 73 and a second connecting member 75 connected by a hinge H and pivoted about the hinge H, and the first connecting member 73 and the second connecting member 75. And are respectively installed in the first contact table 81 and the second contact table 83 to selectively support the end of the plywood, and the first connecting member 73 and the second connecting member 75 to move up and down, respectively Plywood cutting device characterized in that it comprises a first cylinder (91) installed in the section 71 and the second cylinder (93) installed in the second connecting member (75). The method of claim 1, The first connection member 73 further includes a first cylinder support piece 73a extending from one side toward the first cylinder 91 side, and the first cylinder support piece 73a includes the first cylinder 91. A plywood cutting device, characterized in that supported by a piston rod (91b) is lifted by the reciprocating of the piston rod (91b). The method of claim 1, The second cylinder support piece 75a which extends outward from this end part is further formed in the edge part in which the 2nd connection member 75 was installed among the moving parts 71, and the 2nd cylinder support piece 75a has the 2nd The piston rod 93b of the second cylinder 93 provided on the connecting piece 75b connecting the cylinder 93 and the second contact table 83 is supported, and the hinge H is reciprocated by the reciprocation of the piston rod 93b. Plywood cutting device, characterized in that the connection piece (75b) is raised and lowered. The method of claim 1, The screed 70 is Extension bar 94 extending outward from the moving part 71, and the third contact table 95 and the fourth contact table which are installed by the hinge H on the extension bar 94 and support the ends of the plywood. More (96), The third contact table 95 and the fourth contact table 96 have a support portion 95a having a cross-section having a “c” shape in which an accommodating groove for accommodating an end portion of the plywood is formed, and the piston is installed on the support portion 95a. And a fourth cylinder (96b) and a fourth cylinder (96b) for causing the rod to selectively support the end of the plywood.

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