JPS62208901A - Thin sawing special machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention relates to a special thinning machine, particularly for thinning natural wood, laminated wood, laminated wood plywood, hard/semi-hard/soft fiberboard, particle board, bamboo wood, etc. The present invention relates to a special thinning machine for thinning and cutting workpieces such as wood materials and fibrous materials such as wood wool cement board 1 and gypsum board with a cutting blade to produce thin board materials.

(Prior art) Conventionally, when cutting a workpiece such as a wood material to produce a thin board, if a thick cutting blade is used, a large portion of the workpiece becomes shavings, resulting in a lot of waste. Become. Therefore, it is conceivable to use a thin cutting blade for cutting.

In this case, the relationship between the direction of rotation of the cutting blade and the direction of movement of the workpiece is set to an amplifier cut to prevent the groove created by cutting from becoming clogged with chips.

(Problem to be Solved by the Invention) However, when cutting a thick workpiece using such a cutting blade, it is necessary to cut the saw of the cutting blade in order to prevent the cut layer from getting stuck due to chips. It is necessary to make the mesh rough, and the diameter of the cutting blade inevitably becomes large, and the thickness of the cutting blade becomes thin relative to the size of the cutting blade. Therefore, while cutting a workpiece, the cutting blade may bend in a direction crossing the direction in which the workpiece is being cut, or the roughness of the cutting blade may cause the skin of the cutting blade, that is, the cut surface of the plate material, to become uneven. Furthermore, due to this deflection, the cutting blade comes into contact with the cut surface of the plate material with large resistance, generating heat. Depending on the degree of this heat generation, the cutting blade may be deformed, and the cut surface of the plate material may become even less smooth. In this way, if a thin plate is formed by simply cutting a workpiece with a cutting blade, the precision of the cut surface of the plate will deteriorate.

Therefore, the main object of this invention is to prevent the cutting blade from bending when manufacturing a plate material from a workpiece, and to prevent the cutting groove from becoming clogged with chips even when a fine-toothed cutting blade is used. The purpose of the present invention is to provide a machine exclusively for thinning.

(Means for Solving the Problems) The present invention is a thinning machine for cutting a workpiece to form a thin plate material, and the present invention is a thinning machine for cutting a workpiece to form a thin plate material. at least one pair of plate-shaped grooving blades whose main surfaces are arranged parallel to one side of the workpiece, and whose cutting edges are arranged vertically at a predetermined interval with respect to the workpiece. a leading groove forming means for forming a leading groove in the workpiece; the leading groove forming means is spaced apart from one side surface of the workpiece by a distance corresponding to the thickness of the plate material, and the main surface thereof is located parallel to one side surface of the workpiece; , located on the same plane as the front-rear plane passing through the center point of the main surface of the grooving blade, and located at the rear of the grooving blade, with a predetermined interval above and below the workpiece. , having at least one pair of plate-shaped cutting blades, a cutting means for cutting the workpiece, a plate holding means for sucking a thin plate formed from the workpiece, and a cutting means and a plate holding means. By changing the relative positions of the cutting means and the workpiece holding means in a direction parallel to the front-rear plane passing through the center point of the main surface of the cutting blade, the cutting blade can be This is a machine exclusively for thinning, including a displacement means for transversely drawing the thinning.

(Function) The grooving blade of the advance groove forming means is arranged vertically with respect to the workpiece at a predetermined interval, and the cutting blade of the cutting means is arranged in a front-rear direction plane passing through the center point of the main surface of the grooving blade. placed at the rear on the same plane as the

For this purpose, a leading groove is formed in the workpiece by the leading groove forming means, and the cutting blade of the cutting means cuts the workpiece along this leading groove. At this time, the cutting blade of the cutting means is guided in the cutting direction by the leading groove. Furthermore, since the cutting is performed after the chips are discharged to the outside by forming the preceding groove, the amount of chips generated during cutting is reduced.

(Effects of the Invention) According to the present invention, since the leading groove guides the cutting blade in the cutting direction, there is no deflection of the cutting blade.

Therefore, the contact resistance between the cutting surface of the plate material and the cutting blade is suppressed,
It is possible to suppress heat generation of the cutting blade and prevent deformation of the cutting blade. Additionally, since the amount of chips is small, a fine-toothed cutting blade can be used. Therefore, for these reasons, the cut surface of the workpiece is formed smoothly.

The above objects, other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the drawings.

(Embodiment) Figures 1A to 1D show an embodiment of the present invention,
FIG. 1A is a perspective view thereof, FIG. 1B is a perspective view of a main part thereof, FIG. 1C is a side view thereof, and FIG. 1D is a front view of a main part thereof.

First, the overall configuration of the thinning machine 10 of this embodiment will be explained.

This thinning machine 10 includes a base 12 that is long in the front and rear.

The base 12 is provided with rails 14a and 14b on both sides parallel to its longitudinal direction, respectively. On these two rails 14a and 14b, a frame 16 constituting a part of the mounting means is mounted on these rails 14a and 14b by a number of rollers (not shown) provided at the bottom of the frame 16.
It is placed so that it can move back and forth on b.

The frame 16 includes a rectangular parallelepiped-shaped main member 18. Support members 20 and 22 are fixed to the front and rear lower portions of the main member 18, and the above-mentioned rollers (not shown) are fixed to the lower portions of the support members 20 and 22. ) is rotatably attached. Therefore, this frame 16 and the like can be moved back and forth.

Further, table members 24 and 26 are fixed to the main member 18 of the frame 16 at intervals in the front and rear. These table members 24 and 26 are for placing a workpiece A, such as a piece of wood, thereon.

Further, a frame member 2 is provided at the front and rear left ends of the main member 18 of the frame body 16.
8 and 30 are fixed on support members 20 and 22, respectively, so as to protrude to the left of main member 18.

On the other hand, a hollow square columnar abutting member 32, which constitutes a part of the plate material suction and holding means, is provided on the frame members 28 and 30 of the frame body 16 so as to be displaceable in the left-right direction. This contact member 3
2 is for determining the position of the workpiece A in the left-right direction by bringing the left side surface of the workpiece A on the table members 24 and 26 into contact with the right side surface thereof. That is, as shown in FIG. 1B, a convex member 34 is provided at the lower part of the front and rear ends of the abutment member 32, extending to the right from there.
and 36 are fixed, grooves 38 and 40 are formed in the upper ends of the frame members 28 and 30, extending left and right, and convex members 34 and 36 are inserted into the grooves 38 and 40, respectively. There is.

Therefore, the contact member 32 can be displaced in the left-right direction with respect to the frame members 28 and 30, that is, the table members 24 and 26.

Furthermore, screw holes 34a and 36a are formed in these convex members 34 and 36, and screw holes 34a and 36a are formed in these convex members 34 and 36.
Bolts 42 and 44, which are rotatably provided at the right ends of the frame members 28 and 30, are screwed into a and 36a. Therefore, by turning the bolts 42 and 44 both clockwise and counterclockwise, the abutting member 32 can be displaced in the left-right direction.

In addition, the frame members 28 and 30 have a piece member (not shown) formed on the left side of the grooves 38 and 40. Thick members 46 and 48 are inserted into the grooves 38 and 40 of the frame members 28 and 30, respectively, so as to contact the piece members.

The thick members 46 and 48 are similar to the convex members 34 and 3.
6, this is to facilitate the horizontal positioning of the abutment member 32, and by displacing the convex members 34 and 36 to the left, the left end surfaces of the convex members 34 and 36 are aligned with the thick member. 46 and 48. As a result, the convex members 34 and 36, that is, the abutting member 32, are positioned at predetermined positions in the left-right direction. Note that if the thick members 46 and 48 are replaced with thick members of other thicknesses, the positions of the convex members 34 and 36, that is, the abutment member 32 in the left and right direction can be arbitrarily changed and the positions can be easily determined. be able to. As a result, from the left side of the saw, the right side of the aluminum surface plate fixed to the abutment member 32 (suction hole 5
0) can be set. That is, by this,
The finished thickness of the drawn board can be set. Also, the thickness member 3
4 and 36, to facilitate their insertion into and removal from grooves 38 and 40.
A knob bar is formed extending upward from the top.

Furthermore, a suction hole 50 is formed in the center of the right side of the contact member 32. The suction holes 50 are formed in a comb-like shape with a width of 2 to 2.3 squares, for example, at intervals of, for example, 5 days. Further, a circular hole 52 is formed in the rear end surface of the contact member 32, and a suction device (not shown) such as a blower device or a vacuum pump is connected to this circular hole 52 via a hose 54. Ru. Therefore, by operating the suction device, suction force can be generated in the suction hole 50 of the contact member 32. This suction force attracts the left side of the workpiece A on the table members 24 and 26, so that the workpiece A is moved toward the contact member 32.
is held by suction.

On the other hand, a contact member 3 is placed on the table members 24 and 26.
A hollow quadrangular prism-shaped abutment member 60, which constitutes a part of the workpiece suction and holding means, is provided so as to face the workpiece suction and holding means.

In this case, grooves 62 and 64 are formed on the upper surfaces of the table members 24 and 26 to extend left and right, and the abutment members 6
Convex portions 66 and 68 that can be fitted into grooves 62 and 64 are formed at the front and rear lower portions of 0, and these convex portions 6
6 and 68 are fitted into grooves 62 and 64, respectively. Therefore, this contact member 60 can be displaced in the left-right direction.

Further, as shown in FIGS. 1A and 1B, a cylinder 70 for displacing this contact member 60 in the left-right direction
However, with the Ron door 0a facing the right side, the table member 2
4 and 26 on the main member 18 of the frame body 16. The tip of the cylinder 700 Ron door 0a is fixed to a piece member 72 that protrudes rightward from the right side of the contact member 60. Therefore, the rond door 0 of the cylinder 70
When a is expanded or contracted, the abutting member 60 is displaced in the left-right direction. In this case, when the cylinder 700 rod 70a is retracted, the abutting member 60 is displaced to the left, and the left side of the abutting member 60 is aligned with the workpiece A on the table members 24 and 26.
is in contact with the right side of the

Therefore, the workpiece A on the table members 24 and 26 is held between the abutting members 32 and 60.

Furthermore, the abutting member 60 includes a suction hole 50 of the abutting member 32.
A comb-shaped suction hole 7 similar to the suction hole 50 is provided on the surface facing the suction hole 50.
4 is formed, and a circular hole 76 is formed on the rear right side of the circular hole 76, and a suction device (
(not shown) are connected.

Therefore, the left and right sides of the workpiece A on the table members 24 and 26 are suctioned by the contact members 32 and 60, and the workpiece A is held by suction.

Next, a fixing means for fixing the abutment member 60 to the table members 24 and 26 of the frame body 16 will be explained. The fixing means includes two cylinders 80 and 82, and one cylinder 80 and its related components will be described in detail with particular reference to FIGS. 2A and 2B.

The cylinder member 80 is attached to the abutting member 6 by a mounting piece 84.
It is fixed to the abutting member 60 at the front right side of 0 facing downward.

The rod 80a of this cylinder 80 is rotatably attached to one end of an arm member 88 via a connecting member 86, particularly as shown in FIG. 2A. The other end of this arm member 88 is rotatably attached to a support member 90 extending downward from the abutment member 60. Furthermore, a bar member 92 is formed extending upward from the center of the arm member 88.

This rod member 92 is a bearing 9 provided at the lower part of the abutting member 60.
4 is inserted. Therefore, rod 8 of cylinder 80
When 0a is extended or contracted, the arm member 88 is swung up and down using the other end as a fulcrum, and the rod member 92 is further displaced up and down.

Further, as shown in FIGS. 1A and 1B, an auxiliary table member 9 is provided at a distance rearward from the table member 24.
6 is mounted on the main member 18 of the frame 16. The above-mentioned rod member 92 is arranged between the table member 24 and the auxiliary table member 96, as shown in FIG. 2B.

Further, a support plate 98 is inserted through the rod member 92, and this support plate 98 is fixed to the lower part of the rod member 92. A lining member 99 is formed on the side of the upper surface of this support plate 98 . This lining member 99 is formed so as to face the top members 24a and 96a of the table member 24 and the auxiliary table member 96, particularly as shown in FIG. 2B.

Further, the lining member 99 is formed of a relatively non-slip material such as an inorganic lining or an organic lining.

Therefore, if the rod 80a of the cylinder 80 is contracted,
The lining member 99 is brought into contact with the top members 24a and 96a of the table member 24 and the auxiliary table member 96, whereby the lining member 99, that is, the contact member 60 can be fixed to the table member 24 or the like.

Note that the other cylinder 82 is fixed to the abutment member 60 downwardly at the rear right side of the abutment member 60 by an attachment piece 85 . In connection with this cylinder 82, the above-mentioned connecting member 86. Arm member 88, support member 90. Rod member 92. Related components similar to those of bearings 94 and auxiliary table members 96 are provided. Therefore, the abutment member 60 can be fixed to the table member 26 or the like by contracting the rod 82a of the cylinder 82. That is, the cylinder door 0a of the cylinder 70
By contracting the abutting member 32, the workpiece A
and 60, and held under suction by a suction machine.

Then, with the rods 80a and 82a of the cylinders 80 and 82 retracted and the abutting member 60 fixed to the table members 24 and 26, the auxiliary table member 96, etc., the workpiece A is stabilized by being cut. It is possible to perform precise cutting.

Next, a description will be given of the leading groove forming means for forming the leading groove on the workpiece A and the cutting means for cutting the leading groove, which are the main components of the present invention.

The advance groove forming means includes two motors 100a and 102.
a, these motors 100a and 102a are
It is attached to a support 104a provided at the upper left center of the base 12. In this case, motors 100a and 102a are
The supports 10 are arranged one above the other, with their axes directed to the left.
4a.

A rotatably provided shaft 106a is provided at the bottom of this support 104a, and a shaft 10 is rotatably provided directly above the shaft 106a.
There is 8a. For example, plate-shaped circular saw teeth 109a and 109b are fixed to the right ends of these shafts 106a and 108a, respectively, as grooving blades.

These circular sawteeth 109a and 109b are connected to the abutting member 32.
and the table members 24 and 26, and is arranged so that its main surface is parallel to the right side surface of the abutment member 32. Further, the circular saw teeth 109a and 109b are
As shown in Figure 3, they are located on the same plane, have the same thickness and diameter, are above and below workpiece A, and their cutting edges are spaced approximately half the thickness of workpiece A. They are placed apart.

On the other hand, the cutting means includes two motors 100b and 102.
b, and these are attached to a support 104b provided at the upper right of the center of the base 12. In this case, motor i o
o b# and 102b have their axes oriented to the left,
They are arranged vertically and fixed to the support body 104b. A rotatably provided shaft 106 is provided at the bottom of the support 104b.
b, and a shaft 108b rotatably provided directly above it.

The right ends of these shafts 106b and 108b have circular saw teeth 110 and 112 located rearwardly on the same plane as the front-back plane passing through the center points of circular saw teeth 109a and 109b, respectively. And circular sawtooth 110
is located parallel to and behind the shaft 106a, and is fixed to a rotatably provided shaft 106b. Further, the circular sawtooth 112 is located parallel to and behind the shaft 108a, and is fixed to a rotatably provided shaft 108b. The circular saw teeth 110 and 112 have the same thickness and diameter, and as shown in FIG. 3, the upper end of the lower circular saw tooth 110 is positioned slightly above the lower end of the upper circular saw tooth 112. , placed. For this reason, the workpiece and the space A are first formed with a leading groove using the circular saw teeth 109a and 109b.
Cutting will be performed along this leading groove with circular saw teeth 110 and 112. Therefore, cutting is performed after the chips generated by the formation of the preceding groove are discharged to the outside.
Cutting results in fewer chips, which allows the use of finer-toothed cutting blades.

Note that these circular saw teeth 109a, 109b, 110, and 112 are formed to have a thickness of, for example, 0.5 m to 2.8 H, but the thickness of circular saw teeth 109a and 109b is less than or equal to the thickness of circular saw teeth 110 and 112. Constructed to a thickness of In addition, the sawtooth of the circular saw teeth 110 and 112 is
Finer circular saw teeth 109a and 109b may be used. Therefore, the leading groove is the same or slightly narrower than the thickness of the circular saw teeth 110 and 112.

Therefore, the circular saw teeth 110 and 112 are guided in the cutting direction without being deflected in the direction crossing the cutting direction.
Moreover, since the workpiece A is cut with fine circular saw teeth, the cut surface of the workpiece A becomes smooth.

On the other hand, pulleys 1 are mounted on the shafts of motors 100a and 102a.
14a and 116b are fixed, and the shaft 106a
A pulley (not shown) is fixed to the left end of the shaft 114a and the shaft 106a.
A belt 120a is placed around the pulleys (not shown), and a belt 122a is placed also around the pulleys 116a and 108a (not shown). Similarly, pulleys 11 are attached to the shafts of motors 1oob and 102b.
4b and 116b are fixed, and pulleys (not shown) are fixed to the left ends of the shafts 106b and 108b.
The belt 120b is applied to the pulley (not shown) of the pulley 116b and the pulley (not shown) of the shaft 108b.
(not shown) is also covered with a belt 122b. Therefore, when motors 100a and 102a are operated, their rotation is transmitted by belts 120a and 122a to circular saw teeth 109a and 109b through shafts 106a and 108a, causing them to rotate.

Similarly, when motors 100b and 102b are activated, their rotation is transmitted by belts 120b and 122b through shafts 106b and 108b to circular saw teeth 110 and 112, causing them to rotate. Note that this rotation direction is set to be opposite to the moving direction of the workpiece A, ie, a so-called up-cut. For this reason, chips generated by cutting tend to come out to the outside.

Next, in this state, the frame 16 and the like are displaced backward or forward to cause the workpiece A on the table members 24 and 26 to cross the circular saw teeth 109a and 109b, and subsequently to cross the circular saw teeth 110 and 112. . Then, a leading groove is first formed in the workpiece A by the circular saw teeth 109a and 109b, and the workpiece A is cut along this leading groove by the circular saw teeth 110 and 112, thereby forming a thin plate material.

Note that, as shown in FIG. 1D, these circular saw teeth 109a
, 109b, 110 and 112 have covers 109c, 109d covering them.

110a and 112a are provided, and hoses 124a, 124b, 126a and 126b are provided to communicate the inside of these covers with a suction machine (not shown). Therefore, circular saw teeth 109a and 109b
Chips generated when forming the leading groove with the circular saw blades 110 and 112 and when cutting the workpiece A with the circular saw teeth 110 and 112 are sucked and removed by a suction machine.

Next, the displacement means for displacing the frame 16 and the like back and forth as described above will be explained.

This displacement means includes a motor 130 fixed to the front upper part of the base 12. A gear 132 is attached to the shaft of this motor 130.
is fixed. Chain 1 is attached to this gear 132.
Multiplyed by 34. One end of the chain 134 is fixed to the front part of the support member 20 of the frame body 16, and the rear part of the chain 134 is attached to a gear 136 rotatably provided at the rear part of the base 12, as shown in FIG. 1C. The other end is fixed to the rear part of the support member 22 of the frame 16. Therefore, if the motor 130 is rotated forward or backward, the chain 13
4, the frame body 16 and the like are pulled forward or backward to be displaced forward or backward.

By displacing the frame 16 back and forth in this manner, the circular saw teeth 110 and 112 of the cutting means can be caused to cross the workpiece A on the table members 24 and 26, as described above. Thereby, the workpiece A can be cut to form a thin plate material.

Next, an example of use of the special thinning machine 10 of this embodiment will be explained.

First, the right side of the contact member 32 and the circular saw teeth 109a, 109
The distance between b, 110 and 112 from the left side surface is adjusted to the thickness of the plate material to be formed, for example, 2n to 10 tsuru. In this case, this is done by adjusting the bolts 42 and 44 in FIG. 1B to displace the abutment member 32 from side to side. In addition, when performing this adjustment, if the thick members 46 and 48 of a predetermined thickness are inserted into the grooves 38 and 40 of the frame members 28 and 30 in advance, the convex members 34 and 36 of the abutment member 32 It is only necessary to displace the abutting member 32 to the left until it abuts against the thick members 46 and 48, and therefore, the adjustment can be easily performed. That is, if the thickness members 46 and 48 are thin, the thickness of the plate material to be thinned becomes thicker, and if the thickness members 46 and 48 are thick, the thickness of the plate material to be thinned to be formed is thinner.

Also, circular saw teeth 109a, 109b, 110 and 112
can be finely adjusted left and right using male and female threads.
This results in 109a, 109b, 110 and 112
The thickness centers of the circular saw teeth are fixed so that they are located on the same plane.

Further, the interval between the upper and lower tooth tips of the circular saw teeth 109a and 109b is set to approximately half the thickness of the workpiece A.

Next, a workpiece A made of a material such as wood is placed on the table members 24 and 26.

Then, the round door 0a of the cylinder 70 is retracted, the abutment member 60 is displaced to the left, and the workpiece A is positioned so as to be sandwiched between the abutment members 32 and 60. In this case, suction force is generated in the suction holes 50 and 74 of the contact members 32 and 60, and the workpiece A is held by the contact members 32 and 60 under suction.

Further, by retracting the rods 80a and 82a of the cylinders 80 and 82, the abutment member 60 is secured to the table member 24.26 and the auxiliary table member 96. In this way, the reason why the abutment member 6O is fixed to the table members 24, 26 and the auxiliary table member 96 fixed to the frame 16 is that when the workpiece A is cut, the abutment member 60 and the workpiece A is displaced to the left by the cylinder 70, and the cut surface of the workpiece A and the circular sawtooth 1
This is to prevent the contact resistance with the main surface of 10.112 from becoming unintentionally large.

Next, the motors 100a and 100b of the cutting means.

102a and 102b are activated, circular saw teeth 109a,
109b, 110 and 112 are rotated.

Then, the motor 130 of the displacement means is rotated, and the frame 16 is rotated.
etc. are displaced from the state shown by the solid line in FIG. 1C, that is, from the front to the state shown by the dashed line in FIG. For example, 2 cranes to 1
Form a thin board with a thickness of 0 dragons.

In this case, since the plate material is formed by cutting the workpiece A, a large portion of the workpiece A can be used, compared to the case where the plate material is formed by scraping the surface of the workpiece A.

Further, a leading groove is first formed on the upper and lower surfaces of the workpiece A, and cutting is performed along this groove. For this reason, cutting is performed after the chips are removed by forming the preceding groove, so the amount of chips generated during cutting is reduced. Furthermore, since the cutting is performed using an amplifier cut, the chips are likely to come out. These prevent chips from clogging the grooves created by cutting, allowing the use of fine-grained cutting blades.

Moreover, since the thickness of the circular saw teeth 109a and 109b is configured to be less than the thickness of the circular saw teeth 110 and 112, the width of the leading groove is equal to or less than the thickness of the circular saw teeth 110 and 112. Therefore, the circular saw teeth 110 and 112 are guided in the cutting direction by the leading groove and do not deflect in a direction transverse to the groove created by cutting.

Moreover, since the plate material is suction-held by the suction hole 50 of the contact member 32, the plate material does not bend in the direction intersecting the cut surface. Therefore, the contact resistance between the cut surface of the plate material and the circular saw teeth 110 and 112 does not increase, and the circular saw teeth 110 and 112 do not increase in contact resistance.
10 and 112 can be suppressed.

In this way, by being able to use a fine-grained cutting blade and by being able to cut a workpiece while constantly correcting the deflection of the plate and the circular saw teeth 110 and 112, the cut surface of the plate can be made smooth. is formed.

Therefore, a thin plate material with a beautiful cut surface that does not require finishing such as a planer finish or a surface finish can be obtained, and it is possible to finish the plate by sanding, for example, without requiring a finish such as a planer finish.

Further, after the frame 16 and the like are displaced rearward to form a thin plate material, the abutment piece 140 of the support member 22 is attached to the rear limit switch 14, as shown by the one-dot chain line in FIG. 1C.
2, the motor 130 of the displacement means and the suction hole 5
The suction machine No. 0 is stopped, and the plate material suctioned and held by the contact member 32 is released (dropped). At this time, the motors 100b and 102b of the cutting means and the motors 100a and 102a of the preceding groove forming means continue to rotate. Further, the suction machine of the suction hole 74 remains in operation, and the workpiece A is in a state of being attracted by the suction hole 74.

Then, by extending the rods 80a and 82a of the cylinders 80 and 82, the abutting member 60 is released from the table member 24.26 and the auxiliary table member 96, and by extending the rond door 0a of the cylinder 70, the workpiece A is released. Abutment member 6 held under suction
0 is displaced to the right along with workpiece A. In this way, displacing workpiece A etc. to the right is as follows:
In the next step, frame 16. When returning workpiece A etc. to the front, workpiece A is
This is to prevent careless contact with 10.112.

Next, the motor 130 of the displacement means is reversely rotated, and the frame 16 is
etc., and return it to its original state by displacing it forward.

In this state, as shown by the solid line in FIG. 1C, the support member 2
The contact piece 144 of the frame 16. Workpiece A etc. are stopped.

Further, in order to cut the remaining workpiece A to form a thin plate material, the workpiece A is cut into a contact member 3.
2 and 60 for positioning (suction hole 50
(both the suction machine in the suction hole 74 and the suction machine in the suction hole 74 operate) may be repeated in sequence.

According to this invention, circular saw teeth 110 and 1 serving as cutting blades are provided.
12 are circular saw blades 109a and 109b that serve as grooving blades;
Workpiece A is cut along the leading groove formed by. Therefore, the cutting is performed after the chips generated by the formation of the preceding groove are discharged to the outside, so that the amount of chips generated during cutting is reduced, and therefore a fine-toothed cutting blade can be used.

Further, since the thickness of the leading groove is smaller than or equal to the thickness of the circular saw teeth 110 and 112, the circular saw teeth 110 and 112 are guided in the cutting direction without being bent in the direction crossing the cutting direction, and the workpiece A is Since it is sucked into the suction hole 74 of the contact member 60 and held by the contact member 60, the workpiece A does not bend in the direction intersecting the cut surface thereof, like the plate material to be formed. Moreover, since the work piece A is cut with fine circular saw teeth,
The cut surface will be smooth. The contact resistance between the cut surface of the workpiece A and the circular saw teeth 110, 112 does not increase, and heat generation of the circular saw teeth 110, 112 can be suppressed. Therefore, a beautiful cut surface of the workpiece can be formed without requiring finishing such as planar finishing or surface finishing, and the cut surface can be finished with sanding, for example.

Further, according to this embodiment, the workpiece A is sucked into the suction hole 74 of the abutting member 60 and held by the abutting member 60, so that the workpiece A intersects with the cut surface of the plate material to be formed. It will not bend in the direction you want.

Furthermore, in this embodiment, since the side surfaces of the workpiece A are held by suction, the workpiece A is held by suction compared to the case where the upper and lower surfaces of the workpiece A are held using a holding device such as a clamp. Even if the thickness is thinner than that held by the tool, it can be cut.

In the above-described embodiment, the suction holes 50 and 74 for suctioning and holding the plate material and workpiece A to be formed are formed in a comb-teeth shape, but the suction holes are particularly shaped as shown in FIG. For example, a circular hole 50 with a diameter of 3 to 5 Wrm
A may be formed in large numbers arranged vertically and horizontally on the side surface of the abutting member 32 (the shape, size, and number thereof can be changed arbitrarily).

Further, in the above embodiment, in order to fix the contact member 60 to the table members 24 and 26, fixing means including cylinders 80 and 82, etc., were used, but instead of this fixing means, for example, , as shown in FIG. 5, a presser means 150 that can press the workpiece A from above.
The workpiece A may be fixed by using the abutment member 60, thereby fixing the abutting member 60.

This pressing means 150 includes two support members 152,
These support members 152 are connected to the table members 24 and 2
6 is fixed onto the main member 18 of the frame 16.

Further, two piece members 154 are formed extending from above the support member 152 to the left side. A cylinder 156 is fixed on each of these pieces 154 such that their rods 156a are positioned downward. And the loft 156a of the two cylinders 156
A holding member 158 is fixed to the lower ends of the two rods 156a so that the rack is spanned between the two rods 156a. Therefore, by expanding and contracting the rods 156a of these cylinders 156, the holding member 158 can be vertically displaced. By displacing this presser member 158 downward, presser member 1
When the lower surface of 58 is brought into contact with the upper surface of workpiece A on table members 24 and 26, the workpiece and space A are held between table members 24 and 26 and presser member 158, and are placed on table member 24. and 26.

In order to smoothly displace the presser member 158 in the vertical direction, guide members 154a are formed extending downward from the piece member 154, and these guide members 154a are arranged at the front and rear ends of the presser member 158. is slidably inserted into.

Further, in the above embodiment, circular saw teeth 109a, 109b, 110 and 112 are used to cut workpiece A.
is fixed at a predetermined position, and the workpiece A is displaced with the suction and holding means such as the abutment members 32 and 60 that suction-holded the workpiece A rearward, but in this invention, the direction can be set freely. Alternatively, at least one of the workpiece and the cutting means may be displaced to cause the workpiece to traverse the cutting blade.

[Brief explanation of drawings]

1A to 1D show an embodiment of the present invention,
FIG. 1A is a perspective view thereof, FIG. 1B is a perspective view of a main part thereof, FIG. 1C is a side view thereof, and FIG. 1D is a front view of a main part thereof. Figures 2A and 2B show the fixing means of the embodiment shown in Figures 1A to 1D, with Figure 2A being an illustrative view of it as seen from the front, and Figure 2B being a diagram of it as seen from the right. This is an illustrative diagram. FIG. 3 is an illustrative view showing the rotational direction of the circular saw tooth of the embodiment shown in FIGS. 1A to 1D and the positional relationship between the circular saw tooth and the workpiece. FIG. 4 is a perspective view showing another example of the suction hole of the abutting member. FIG. 5 is a front view of main parts showing a modification of the invention. In the figure, 12 is a base, 14a and 14b are rails, 16 is a frame, 24 and 26 are table members, 32 and 60 are contact members, 70, 80 and 82 are cylinders, 70 a * 80 a and 82 a are rod, 7
2 is a piece member, 100a, 100b, 102a,
102b and 130 are motors, 109a, 109
b, 110 and 112 are circular saw teeth, 132 and 136
134 represents a gear, and 134 represents a chain. Patent applicant: Amino Iron Works Co., Ltd. (1 idiot) Agent: Patent attorney Oka 1) Kei Zen (1 idiot)

Claims (1)

[Scope of Claims] 1. A thinning machine for cutting a workpiece to form a thin sheet material, the thinning machine comprising: a thinning machine for cutting a workpiece to form a thin sheet material, the thinning machine comprising: at least one pair of plate-shaped grooving blades, the main surface of which is arranged parallel to one side of the workpiece, the cutting edge of which is arranged vertically at a predetermined interval with respect to the workpiece; A leading groove forming means for forming a leading groove in the workpiece, the main surface thereof being located at a distance corresponding to the thickness of the plate from one side of the workpiece, and Located on the same plane as the front-back plane passing through the center point of the main surface of the grooving blade, located at the rear of the grooving blade, and arranged at a predetermined interval above and below the workpiece. a cutting means for cutting the workpiece, having at least a pair of plate-shaped cutting blades, a plate holding means for holding the thin plate formed from the workpiece, and the cutting means and Provided in association with at least one of the plate holding means, changing the relative position of the cutting means and the plate holding means in a direction parallel to a front-back plane passing through the center point of the main surface of the cutting blade. , a machine exclusively for thinning, comprising a displacement means for causing the cutting blade to cross the workpiece so as to thin the workpiece. 2. The thickness of the groove cutting blade of the preceding groove forming means is configured to be equal to or less than the thickness of the cutting blade of the cutting means,
A dedicated thinning machine according to claim 1. 3. The distance between the pair of groove cutting blades is approximately half the thickness of the workpiece.
Dedicated thinning machine as described in section. 4. The thinning machine according to any one of claims 1 to 3, wherein the plate holding means includes an abutting member that abuts one side of the workpiece. 5. The displacement means includes means for displacing the plate holding means in a direction parallel to the main surface of the cutting blade.
A dedicated thinning machine according to any one of claims 1 to 4. 6. The means for displacing the plate holding means includes: a frame body on which the abutting member is fixed and on which the workpiece is placed; and a frame body parallel to the main surface of the cutting blade. Claim 5 includes a rail for supporting displaceably in the direction.
Dedicated thinning machine as described in section. 7. A workpiece holder for holding the workpiece when the workpiece is cut by fixing the other side surface of the workpiece in a direction intersecting the main surface of the cutting blade of the cutting means. A dedicated thinning machine according to any one of claims 1 to 6, comprising means. 8. The workpiece holding means includes an abutment member that abuts the other side surface of the workpiece, and the abutment member is fixed to the frame so as not to move during cutting of the workpiece. A dedicated thinning machine according to claim 7, which is fixed to a member.