JP3019153U - Circular saw machine - Google Patents

Abstract

(57) [Summary] [Purpose] The purpose of the present invention is to provide a circular saw machine that can prevent accidental hand injuries and other accidents by avoiding inadvertent removal of hands during cutting. And [Structure] At the time of cutting, since the grips 37 and 38 of the safety cover 23 are always grasped by both hands and the safety cover 23 is moved toward the wood 5, both hands are closed, and It is possible to prevent the hand from touching the circular saw 15 unintentionally while the 5 is being cut, and to prevent the hand from touching the circular saw 15. Therefore, it becomes possible to prevent injuries such as hands due to an accident.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 INDUSTRIAL APPLICABILITY The present invention relates to a circular saw machine, and more particularly to a circular saw machine that can prevent injuries such as hands due to an accident.

[0002]

[Prior art]

 In circular saw machines used for cutting wood, roller conveyors are arranged on the wood loading side and the wood loading side. The wood is placed on the roller conveyor on the loading side and sent to the circular saw machine. The timber sent in is stopped and the switch on the control panel is pressed. The upper safety cover clamps the wood from above, and part of the rotating circular saw projects through the slit in the table, cutting the wood. After cutting the wood, the circular saw is housed in the circular saw body and the upper safety cover is unclamped. Then, the wood is sent out by the roller conveyor on the unloading side. The circular saw board is equipped with a safety cover that covers the circular saw exposed from the slit to prevent accidents such as hand injury due to an accident. After the wood has been sent to the circular saw machine in this way, the series of operations of the circular saw machine are performed with one touch by pressing a switch.

[0003]

[Problems to be solved by the device]

 However, since the circular saw machine performs a series of operations with one touch, both hands are open. Therefore, when a part of the circular saw protrudes from the slit and cuts the wood, carelessly reaching out the safety cover to try to fix the position of the wood on the table, the rotating circular saw unintentionally I may get hurt. The present invention has been made in view of the above-mentioned conventional problems. A circular saw that can prevent injuries such as a hand due to an accident by avoiding carelessly putting out a hand during a cutting process. The purpose is to provide a board.

[0004]

According to a first aspect of the present invention, there is provided a main body, a table provided on the main body for mounting wood, a rotating circular saw provided on the main body, and the circular saw stored in the main body. A circular saw driving means for operating in a state where the timber is exposed and a state where the timber is projected and exposed from the table, a reference portion which is provided on the back side of the timber placed on the table and which comes into contact with the timber, and which is projected and exposed from the table In a circular saw machine having a safety cover for covering the circular saw, the safety cover is provided with a gripping portion to be gripped by both hands, and the gripping portion operates the circular saw driving means by simultaneously pushing with both fingers. It is a circular saw machine that is equipped with a switch.

A second aspect of the present invention is the device according to the first aspect, wherein the safety cover is movably provided in a direction in which the safety cover comes close to and away from the wood placed on the table, and the safety cover is provided with the safety cover. The circular sawing machine is characterized in that it is provided with a pressing member that presses the wood against the reference part when it is moved in the direction close to the wood placed on, and holds the wood together with the reference part.

According to a third aspect of the present invention, in the first or second aspect, the operation of the safety cover in the direction of approaching and separating from the lumber is guided, and the movement of the safety cover in the other direction is restricted. A circular saw machine equipped with safety cover guide means.

[0007]

[Action]

 In the invention of claim 1, the safety cover is provided with a gripping portion to be gripped by both hands, and the gripping portion is provided with a switch for actuating the circular saw driving means by simultaneously pushing with the fingers of both hands. When cutting the timber exposed through the slit, hold the grip of the safety cover with both hands. Therefore, both hands will be blocked, and careless hands will not come out, and it is possible to prevent injuries such as hands due to an accident.

According to the second aspect of the present invention, the safety cover is operated in a direction in which it is close to the wood, the wood is held by the pressing member against the reference portion, and the wood is held by the pressing member and the reference portion. Therefore, it becomes possible to position the wood reliably, and the wood will not be displaced during the cutting process. Moreover, since the safety cover is operated in the direction of approaching the wood by grasping the grip portion with both hands, it is possible to prevent the hand from being inadvertently taken out, and to prevent an injury such as a hand due to an accident.

According to the third aspect of the present invention, the safety cover guide means guides the movement of the safety cover in the direction of moving closer to and away from the wood, and restricts the movement of the safety cover in the other direction. It is possible to surely move to a position where the circular saw is covered, and moreover, the pressing member can surely position the wood.

[0010]

【Example】

 A circular saw machine 1 according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4. Reference numeral 3 indicates a main body, and the main body 3 is provided with a table 7 on which the wood 5 is placed. A reference portion 9 is provided on the table 7, and a groove 10 1 is formed on the upper surface of the table 7. A mouth plate 11 is provided on the table 7, and a slit 13 is formed in the mouth plate 11.

Reference numeral 15 indicates a circular saw, and the circular saw 15 is provided inside the main body 3. The circular saw 15 is supported by a circular saw arm (not shown). When the circular saw arm is operated, the circular saw 15 can be stored in the main body 3 and can be projected from the slit 13 to be exposed. Has become. A circular saw driving unit is configured by a circular saw arm and a drive mechanism such as a motor that operates the circular saw arm.

Reference numeral 17 indicates a base, and the base ends of a pair of cover arms 19 are rotatably attached to the base 17. An upper safety cover 21 is attached to the tip of the cover arm 19. When the cover arm 19 is rotated toward the table 7 by a drive mechanism such as a motor, the upper safety cover 21 can clamp the wood 5 from above, and the cover arm 19 moves away from the table 7. When rotated, the upper safety cover 21 can be unclamped.

Reference numeral 23 indicates a safety cover, which is provided at a position corresponding to the slit 13. The safety cover 23 can move in a direction in which the wood 5 placed on the table 7 is moved toward and away from the wood 5. On the side surface of the safety cover 23, there is provided a sliding piece 25 extending laterally and having a tip bent downward at a right angle. The sliding piece 25 is slidably inserted in the groove 10. The sliding piece 25 and the groove 10 constitute a safety cover guide means.

A pair of holding plates 29 are attached to the side surfaces of the safety cover 23. A support shaft 31 is movably inserted into the hole of the holding plate 29, and the support shaft 31 can be fixed at any position. A pressing plate 33 as a pressing member is attached to the tip of the support shaft 31.

Holding members 35 and 36 extending laterally are attached to both sides of the safety cover 23. Gripping portions 37 and 38 are attached to the holding members 35 and 36, and the gripping portions 37 and 38 are provided in a posture in which they are slightly tilted outward. Push button switches 39 and 41 are provided on the upper portions of the grips 37 and 38, respectively.

The wiring 43 connected to the push button switch 39 and the wiring 45 connected to the push button switch 41 are connected to the control panel 47. The control board 47 controls the drive means of the upper safety cover 21 and the circular saw board drive means. The push button switches 39 and 41 are simultaneously pressed by the fingers of both hands, the cover arm 19 is rotated, and the upper safety cover 21 clamps the wood 5 from above. Then, the circular saw arm that supports the circular saw 15 is operated, and the rotating circular saw 15 is operated so as to project from the slit 13 of the table 7 to be exposed and to be stored in the main body 3. After the circular saw 15 is housed in the main body 3, the cover arm 19 is rotated and the upper safety cover 21 is released from the clamp.

The operation of the circular saw machine 1 will be described. The wood 5 is placed on the carry-in side roller conveyor 49 and sent to the table 7 of the circular saw machine 1. The sent wood 5 stops. The grasping portions 37 and 38 of the safety cover 23 are grasped by both hands, and the safety cover 23 is slid in the direction of approaching the wood 5. At this time, the safety cover 23 is guided by the safety cover guide means constituted by the sliding piece 25 and the groove 10. Therefore, the safety cover 23 can be reliably moved to a position that covers the circular saw 15 exposed from the slit 13. When the safety cover 23 is slid in the direction of approaching the wood 5, the pressing plate 33 presses the wood material 5 against the reference portion 9, and the wood plate 5 is held by the pressing plate 33 and the reference portion 9, so that the wood 5 is retained. Positioned securely.

Since the grips 37 and 38 of the safety cover 23 are gripped with both hands and the safety cover 23 is moved toward the wood 5 in this way, both hands are closed and the wood 5 is cut. It is possible to prevent the hand from touching the circular saw 15 unintentionally during the operation. Therefore, it is possible to prevent injuries such as hands due to an accident. In other words, it is possible to prevent accidentally repairing the position of the timber 5 and prevent injuries such as hands due to an accident.

When the push button switches 39 and 41 are simultaneously pressed by the fingers of both hands holding the grip portions 37 and 38, the cover arm 19 rotates in a direction approaching the table 7 with its base end as a fulcrum. Then, the upper safety cover 21 moves to a position where it projects from the table 7 and covers the exposed circular saw 15, and the upper safety cover 21 clamps the wood 5 from above. Then, the arm for the circular saw that supports the circular saw 15 operates, and the rotating circular saw 15 projects from the slit 13 to cut the wood 5. After cutting the wood 5, the arm for the circular saw operates to store the circular saw 15 in the main body 3.

As described above, in the circular saw machine 1, the grasping portions 37 and 38 are grasped by both hands, the safety cover 23 is slid, and the push button switches 39 and 41 are operated, so that the cutting process is performed. When you do so, you will not carelessly put your hands out, and you will be able to prevent injuries such as hands due to an accident. That is, unless the grasping portions 37 and 38 are grasped by both hands and the push button switches 39 and 41 are depressed by the fingers of both hands, the circular saw 15 does not perform the cutting operation of the timber 5, so that the operator can inadvertently take out the hand. It is possible to prevent accidents such as hand injuries due to accidents. After the circular saw 15 is housed in the main body 3, the cover arm 19 is rotated in the direction away from the wood 5, the upper safety cover 21 is separated from the wood 5, and the clamp is released. The cut wood 5 is sent out by the roller conveyor 49 on the carry-out side.

[0021]

[Effect of device]

 As described above, according to the present invention, it is possible to prevent the hand from being carelessly put out during the cutting process, and to prevent an injury such as a hand due to an accident. Further, it becomes possible to position the wood reliably, and the wood will not be displaced during the cutting process.

[Brief description of drawings]

FIG. 1 is a perspective view of a circular saw machine according to an embodiment of the present invention.

FIG. 2 is a partial plan view of a circular saw machine according to an embodiment of the present invention.

FIG. 3 is a partial side view of a circular saw machine according to an embodiment of the present invention.

FIG. 4 is a partial front view of a circular saw machine according to an embodiment of the present invention.

[Explanation of symbols]

 1 circular saw machine 3 main body 5 wood 7 table 9 reference section 10 groove 11 mouth plate 13 slit 15 circular saw 17 base 19 cover arm 21 upper safety cover 23 safety cover 25 sliding piece 29 holding plate 31 support shaft 33 pressing plate 35 , 36 Holding members 37, 38 Gripping parts 39, 41 Push button switches 43, 45 Wiring 47 Control panel 49 Roller conveyor

Claims (3)

[Scope of utility model registration request] 1. A body, a table on which the wood is placed, a circular saw provided on the body, a state in which the circular saw is housed in the body, and a state in which the circular saw projects and is exposed from the table. In a circular saw machine having a circular saw driving means to be operated, a reference portion provided on the back side of the wooden piece placed on the table with which the wooden piece comes into contact, and a safety cover protruding from the table and covering the exposed circular saw, A circular saw machine characterized in that the safety cover is provided with a gripping portion to be gripped by both hands, and the gripping portion is provided with a switch for actuating the circular saw driving means by simultaneously pushing with both fingers. 2. The safety cover according to claim 1, wherein the safety cover is movably provided in a direction in which the safety cover is moved toward and away from the timber placed on the table, and the safety cover is placed near the timber placed on the table. A circular saw machine characterized in that it is provided with a pressing member that presses wood against the reference part when it is operated in the direction of holding, and holds the wood together with the reference part. 3. The safety cover according to claim 1 or 2, wherein the safety cover is guided to move toward and away from the wood.
A circular saw machine characterized by further comprising safety cover guide means for restricting the movement of the safety cover in the other direction.