Reinforcing bar binding machine, reinforcing bar binding method, and method for using reinforcing bar binding machine

Abstract

To provide a technique for making it easier to visually check reinforcing bars when a reinforcing bar binding machine is used in a dark place.SOLUTION: The reinforcing bar binding machine disclosed in the present description includes a torsion motor that operates a torsion member that twists a wire around a reinforcing bar, a main body housing that accommodates the torsion motor, and a first lighting member that is held in the main body housing and shines light toward the reinforcing bar. The binding method disclosed in the present description is a method for binding reinforcing bars using a wire. Furthermore, the method of use disclosed in the present description is a method for using a reinforcing bar binding machine that binds reinforcing bars using a wire.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present specification relates to a rebar tying machine, a method for tying rebar, and a method for using the rebar tying machine. [Background technology]

[0002] A reinforcing bar binding machine is disclosed in Patent Document 1. The reinforcing bar binding machine includes a twisting motor that operates a twisting member that twists a wire around a reinforcing bar, and a main body housing that accommodates the twisting motor. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2017-132003 A Summary of the Invention [Problem to be solved by the invention]

[0004] When the above-mentioned reinforcing bar tying machine is used in a dark place, it is difficult to visually recognize the reinforcing bar. In the present embodiment, an object of the present invention is to provide a technique that makes it easy to visually recognize the reinforcing bar when the reinforcing bar tying machine is used in a dark place. [Means for solving the problem]

[0005] The rebar tying machine disclosed in this specification comprises a torsion motor that operates a torsion member that twists the wire around the rebar, a main body housing that accommodates the torsion motor, and a first lighting member that is held in the main body housing and shines light toward the rebar.

[0006] According to the above configuration, when the reinforcing bar binding machine is used in a dark place, the reinforcing bar is illuminated by the light from the first lighting member, which makes it easier to see the reinforcing bar.

[0007] The present disclosure provides a method for bundling rebar using wire, the method comprising shining a light toward the rebar and twisting the wire around the rebar while the light is shining on the rebar.

[0008] According to the above configuration, the reinforcing bars can be easily seen when binding the reinforcing bars in a dark place.

[0009] The method of use disclosed in this specification is a method of using a rebar binding machine that uses a wire to bind rebars. The rebar binding machine includes a torsion motor that operates a torsion member that twists the wire around the rebars, a trigger that is operated by a user to operate the torsion motor, a first lighting member that shines light toward the rebars, and an operating unit that operates the first lighting member. The method of use includes operating the first lighting member with the operating unit, and operating the torsion motor by the user operating the trigger.

[0010] According to the above configuration, the reinforcing bar is illuminated by the light from the first illumination member, which makes it easier to see the reinforcing bar when binding the reinforcing bar in a dark place. [Brief description of the drawings]

[0011] [Figure 1] FIG. 1 is a perspective view of a reinforcing bar binding machine 2 of a first embodiment. [Diagram 2] FIG. 2 is a left side view of the reinforcing bar binding machine 2 of the first embodiment with the left housing 8 and reel cover 10 removed. [Diagram 3] 1 is a perspective view of the reinforcing bar binding machine 2 of the first embodiment with a reel cover 10 in an open state. [Figure 4] FIG. 2 is a cross-sectional view of an illumination member 104 according to the first embodiment. [Diagram 5] 2 is an enlarged front view of a guide member holding portion 14 in the reinforcing bar binding machine 2 of the first embodiment. FIG. [Figure 6] 1 is a schematic diagram showing how light emitted from a first lighting member 100 and a second lighting member 102 of the first embodiment illuminates a reinforcing bar R. FIG. [Figure 7]1 is a schematic diagram showing how light emitted from a first lighting member 100 and a second lighting member 102 of the first embodiment illuminates a reinforcing bar R. FIG. [Figure 8] 5 is a flowchart showing a process executed by a control unit 58 in the first embodiment. [Figure 9] FIG. 11 is a cross-sectional view of an illumination member 104 according to a second embodiment. [Figure 10] FIG. 11 is a left side view of the reinforcing bar binding machine 2 of the third embodiment with the left housing 8 and reel cover 10 removed. [Figure 11] FIG. 11 is a left side view of the reinforcing bar binding machine 2 of the fourth embodiment. [Figure 12] FIG. 11 is a front view of the reinforcing bar binding machine 2 of the fifth embodiment. [Figure 13] FIG. 13 is a front view of the reinforcing bar binding machine 2 of the sixth embodiment. [Figure 14] FIG. 13 is a perspective view of a reinforcing bar binding machine 2 of the seventh embodiment. [Figure 15] FIG. 13 is a left side view of the reinforcing bar binding machine 2 of the seventh embodiment with the left housing 8 removed. [Figure 16] FIG. 13 is an enlarged front view of a guide member holding portion 14 in the reinforcing bar binding machine 2 of the seventh embodiment. [Figure 17] FIG. 13 is a front view of the reinforcing bar binding machine 2 of the eighth embodiment. [Figure 18] FIG. 13 is a front view of the reinforcing bar binding machine 2 of the ninth embodiment. [Figure 19] FIG. 23 is a left side view of the reinforcing bar binding machine 2 of the tenth embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] In the following, a representative and non-limiting embodiment of the present invention will be described in detail with reference to the drawings. This detailed description is intended simply to provide those skilled in the art with details for implementing a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. In addition, the additional features and inventions disclosed below can be used separately or together with other features and inventions to provide further improved rebar tying machines, rebar tying methods, methods of using rebar tying machines, and methods of manufacturing rebar tying machines.

[0013] Furthermore, the combinations of features and steps disclosed in the following detailed description are not essential to the practice of the invention in its broadest sense, but are specifically described only to illustrate representative embodiments of the invention. Furthermore, the various features of the representative embodiments described above and below, and the various features of those described in the independent and dependent claims, do not have to be combined in the exact embodiments described herein, or in the exact order listed, to provide additional and useful embodiments of the invention.

[0014] All features described in the specification and / or claims are intended to be disclosed individually and independently of one another as limitations to the original disclosure and claimed particulars, apart from any configuration of features described in the examples and / or claims. Furthermore, all numerical ranges and group or aggregate descriptions are intended to disclose their intermediate configurations as limitations to the original disclosure and claimed particulars.

[0015] The rebar tying machine disclosed in this specification comprises a torsion motor that operates a torsion member that twists the wire around the rebar, a main body housing that accommodates the torsion motor, and a first lighting member that is held in the main body housing and shines light toward the rebar.

[0016] In one or more embodiments, the first lighting member may include a transparent portion that transmits light from inside the first lighting member to outside the first lighting member. The width of the transparent portion may be greater than the diameter of the rebar.

[0017] According to the above configuration, the width of the light passing through the transmitting portion is larger than the diameter of the reinforcing bar, so that the entire reinforcing bar is illuminated, making it easier to see the reinforcing bar.

[0018] In one or more embodiments, the rebar binding machine may further include a guide member that winds the wire around the rebar. The main body housing may include a guide member holding portion that holds the guide member. The first lighting member may be disposed in the guide member holding portion.

[0019] According to the above configuration, when the reinforcing bar is tied using the reinforcing bar tie-down machine, the guide member is disposed near the reinforcing bar. Therefore, the first lighting member is disposed near the reinforcing bar. This makes it easier to see the reinforcing bar by the light of the first lighting member.

[0020] In one or more embodiments, the rebar tying machine may further include a second lighting member held in the main body housing and configured to shine light toward the rebar.

[0021] According to the above configuration, the reinforcing bar can be more easily viewed compared to a configuration in which one lighting member is used.

[0022] In one or more embodiments, the rebar binding machine may further include a guide member for winding the wire around the rebar. The main body housing may include a guide member holding portion for holding the guide member. The first lighting member and the second lighting member may be disposed in the guide member holding portion.

[0023] According to the above configuration, when the reinforcing bar is tied using the reinforcing bar tying machine, the guide member is disposed near the reinforcing bar. Therefore, the first lighting member and the second lighting member are disposed near the reinforcing bar. This makes it easier to see the reinforcing bar by the light of the first lighting member and the light of the second lighting member.

[0024] In one or more embodiments, the torsion motor may rotate about a central axis extending in a front-to-rear direction. When the rebar binding machine is viewed in the front-to-rear direction, the guide member may be disposed between the first lighting member and the second lighting member in a left-to-right direction perpendicular to the front-to-rear direction.

[0025] According to the above configuration, when the rebar is tied using the rebar tying machine, the light of the first lighting member and the light of the second lighting member illuminate the rebar. When the rebar is illuminated by the light of the first lighting member, a shadow is formed on the wall behind the rebar, while the light of the second lighting member illuminates the shadow. Also, when the rebar is illuminated by the light of the second lighting member, a shadow is formed on the wall behind the rebar, while the light of the first lighting member illuminates the shadow. Therefore, the shadow on the wall behind the rebar can be made less noticeable. Also, when the rebar tying machine is being used, even if the shadow on the wall behind the rebar moves, it is possible to prevent the user from being distracted by the shadow.

[0026] In one or more embodiments, when the rebar binding machine is viewed in the front-to-rear direction, the torsion member may be disposed between the first lighting member and the second lighting member in the left-to-right direction perpendicular to the front-to-rear direction.

[0027] According to the above configuration, when binding the reinforcing bars, the shadow on the wall surface behind the reinforcing bars can be made less noticeable.

[0028] In one or more embodiments, the distance between the first and second lighting members may be greater than the diameter of the rebar.

[0029] According to the above configuration, when binding the reinforcing bars, the shadow on the wall surface behind the reinforcing bars can be made less noticeable.

[0030] In one or more embodiments, the luminous flux of the light emitted by the first lighting member may be greater than or equal to 1 lumen and less than or equal to 10,000 lumens.

[0031] According to the above configuration, the reinforcing bars can be made more visible by the light from the first illumination member.

[0032] In one or more embodiments, the illuminance of the light emitted by the first lighting member may be 70 lux or more and 3000 lux or less at a position 150 mm away from the first lighting member in the light irradiation direction.

[0033] According to the above configuration, the reinforcing bars can be made more visible by the light from the first illumination member.

[0034] In one or more embodiments, the first illumination member may include a light emitting portion that emits light, and a diffusion portion that diffuses the light emitted by the light emitting portion.

[0035] According to the above configuration, the illumination range of the light from the first illumination member can be made wider, compared to a configuration in which the first illumination member is not provided with a diffusion portion.

[0036] In one or more embodiments, the rebar tying machine may further include a control unit that operates the torsion motor and a lead wire that connects the first lighting member and the control unit. The main body housing may include a grip portion that is held by a user when using the rebar tying machine and through which the lead wire passes.

[0037] According to the above configuration, the space within the grip portion can be effectively utilized.

[0038] In one or more embodiments, the rebar binding machine may further include a feed motor that operates a feed member that feeds out the wire, a control unit that operates the torsion motor and the feed motor, and a lead wire that connects the first lighting member and the control unit. The main body housing may include a feed motor accommodating section that accommodates the feed motor and through which the lead wire passes.

[0039] According to the above configuration, the space within the feed motor housing can be effectively utilized.

[0040] In one or more embodiments, the rebar binding machine may further include a control unit operable to operate the first lighting element and the torsion motor to perform a binding process of binding the wire around the rebar. The control unit may cause the first lighting element to emit light before performing the binding process.

[0041] According to the above configuration, the reinforcing bars can be easily visually recognized when the reinforcing bars are fastened together.

[0042] (First embodiment) As shown in FIG. 1, the reinforcing bar binding machine 2 uses a wire W to bind a plurality of reinforcing bars R. In the reinforcing bar binding machine 2, wires W having various diameters (e.g., diameters of 0.5 mm to 2.5 mm) are used according to the diameter D1 (see FIG. 5) of the reinforcing bars R to be bound. For example, when binding a thin reinforcing bar R having a diameter D1 of 16 mm or less (e.g., diameter 16 mm), a wire W having a diameter of 1.6 mm or less (e.g., 0.8 mm) is used, and when binding a thick reinforcing bar R having a diameter D1 greater than 16 mm (e.g., diameters of 25 mm or 32 mm), a wire W having a diameter of 1.6 mm or more (e.g., 2.0 mm) is used. Hereinafter, the longitudinal direction of the twisting unit 56 (see FIG. 2) is referred to as the front-rear direction, the direction perpendicular to the front-rear direction is referred to as the up-down direction, and the direction perpendicular to the front-rear direction and the up-down direction is referred to as the left-right direction.

[0043] The rebar binding machine 2 includes a main body housing 4 and a battery pack BP. The main body housing 4 includes a right housing 6 that defines the outer shape of the right half of the main body housing 4, a left housing 8 that defines the outer shape of the left half of the main body housing 4, and a reel cover 10 that is rotatably attached to the front lower part of the left housing 8.

[0044] The main body housing 4 includes a guide member holding portion 14, a torsion motor housing portion 16, a grip portion 18, a control unit housing portion 20, a feed motor housing portion 22, and a reel housing portion 24. The guide member holding portion 14, the torsion motor housing portion 16, the grip portion 18, the control unit housing portion 20, and the feed motor housing portion 22 are formed by the right housing portion 6 and the left housing portion 8. The reel housing portion 24 is formed by the right housing portion 6, the left housing portion 8, and the reel cover 10.

[0045] As shown in FIG. 2, the guide member holding portion 14 extends in the front-rear direction. The torsion motor housing portion 16 is disposed on the rear side of the guide member holding portion 14. The grip portion 18 is disposed on the lower side of the torsion motor housing portion 16. The grip portion 18 is held by a user. The longitudinal direction of the grip portion 18 is slightly inclined with respect to the up-down direction. The rebar binding machine 2 is provided with a trigger 26, which is attached to the upper front surface of the grip portion 18 so as to be retractable. When the trigger 26 is retracted, it presses a trigger detection switch 27 in the grip portion 18.

[0046] The control unit accommodating portion 20 is disposed below the grip portion 18. The battery pack BP is detachably attached to the lower end of the control unit accommodating portion 20. The battery pack BP is attached to the control unit accommodating portion 20 by sliding the battery pack BP downward and forward relative to the control unit accommodating portion 20, and is removed from the control unit accommodating portion 20 by sliding the battery pack BP upward and rearward relative to the control unit accommodating portion 20. The battery pack BP includes a secondary battery, such as a lithium ion battery.

[0047] The feed motor accommodating portion 22 is disposed below the guide member holding portion 14. The feed motor accommodating portion 22 is disposed on the front side of the grip portion 18 and spaced apart from the grip portion 18.

[0048] The reel housing 24 is disposed below the feed motor housing 22. In FIG. 2, the reel housing 24 is illustrated by a broken line. The reel housing 24 is connected to the front end of the control unit housing 20 via a connection point 28. As shown in FIG. 3, the reel housing 24 can house a reel 30. The reel 30 includes a wire W and a bobbin 32 around which the wire W is wound. The reel 30 is rotatably held in the reel housing 24. The reel 30 can be attached to and detached from the reel housing 24 when the reel cover 10 is opened relative to the left housing 8.

[0049] As shown in FIG. 1, the rebar binding machine 2 further includes a main power switch 36, a display unit 38, a mode changeover switch 40, a binding force increase switch 42, and a binding force reduction switch 44. The main power switch 36, the display unit 38, the mode changeover switch 40, the binding force increase switch 42, and the binding force reduction switch 44 are arranged on the rear surface of the feed motor housing 22. The main power switch 36 accepts a user's operation to switch the rebar binding machine 2 between an on state and an off state. The rebar binding machine 2 is operable when in the on state. The rebar binding machine 2 is inoperable when in the off state. The display unit 38 displays information related to the rebar binding machine 2. The display unit 38 is visually recognized by the user.

[0050] The mode change switch 40 switches the mode of the reinforcing bar binding machine 2 between a single-shot mode and a continuous-shot mode. When the reinforcing bar binding machine 2 is in the single-shot mode, the reinforcing bar binding machine 2 performs an operation of binding a plurality of reinforcing bars R using the wire W once every time the trigger 26 is pulled in. When the reinforcing bar binding machine 2 is in the continuous-shot mode, the reinforcing bar binding machine 2 performs an operation of binding a plurality of reinforcing bars R using the wire W once every time the contact member 46 located at the front end of the main body housing 4 is pushed in by the reinforcing bars R while the trigger 26 is kept pulled in. The pushing in of the contact member 46 is detected by a detection switch 48 (see FIG. 2).

[0051] The binding force increase switch 42 increases the set value of the binding force of the wire W by the rebar binding machine 2. The binding force reduction switch 44 reduces the set value of the binding force of the wire W by the rebar binding machine 2. When the binding force increase switch 42 is operated, the set value of the binding force of the wire W increases by one step, and when the binding force reduction switch 44 is operated, the set value of the binding force of the wire W decreases by one step. The binding force of the wire W corresponds to the force that twists the wire W.

[0052] As shown in FIG. 2, the rebar binding machine 2 further includes a feeding unit 50, a guiding unit 52, a cutting unit 54, a twisting unit 56, and a control unit 58.

[0053] The feed unit 50 is accommodated in the feed motor accommodating section 22. The feed unit 50 includes a feed motor 62 and a feed roller 64. The feed motor 62 is, for example, a brushless motor. The feed motor 62 rotates by power supplied from the battery pack BP. The feed roller 64 is connected to the feed motor 62 via a reducer (not shown). The feed roller 64 corresponds to a feed member. When the feed motor 62 rotates, the feed roller 64 rotates. The feed roller 64 pulls out the wire W from the bobbin 32 by rotating in the forward direction, and feeds it forward and upward toward the guide unit 52. The feed roller 64 also pulls the wire W back toward the bobbin 32 by rotating in the reverse direction.

[0054] The guide unit 52 includes an upper curl guide member 68 and a lower curl guide member 70. The upper curl guide member 68 and the lower curl guide member 70 are held at the front end of the guide member holding portion 14. The upper curl guide member 68 and the lower curl guide member 70 extend forward from the front end of the guide member holding portion 14. The reinforcing bar R is disposed between the upper curl guide member 68 and the lower curl guide member 70 when bundling. The wire W fed from the feed roller 64 is first guided by the upper curl guide member 68 and passes through the upper curl guide member 68 from rear to front. While the wire W passes through the upper curl guide member 68, the upper curl guide member 68 gives the wire W a downward curl. After passing through the upper curl guide member 68, the wire W is guided by the lower curl guide member 70 and passes through the lower curl guide member 70 from front to rear. Thereafter, the wire W moves rearward and upward. As a result, the wire W is wound around the reinforcing bar R.

[0055] The cutting unit 54 is housed in the guide member holding portion 14. The cutting unit 54 is disposed below the twisting unit 56. The cutting unit 54 includes a cutter (not shown) that cuts the wire W fed from the feed unit 50 to the guide unit 52. The wire W is cut by the rotation of the cutter.

[0056] The torsion unit 56 is disposed across the guide member holding portion 14 and the torsion motor housing portion 16. The torsion unit 56 includes a torsion motor 74, a sleeve unit 76, and a gripping clamp 78. The torsion motor 74 is housed in the torsion motor housing portion 16. The torsion motor 74 is, for example, a brushless motor. The torsion motor 74 rotates around a central axis AX by power supplied from a battery pack BP. The central axis AX extends in the front-rear direction.

[0057] The sleeve unit 76 and the gripping clamp 78 are housed in the guide member holding portion 14. When the twisting motor 74 rotates, the sleeve unit 76 moves forward and backward or rotates around the central axis AX. The gripping clamp 78 is located in front of the twisting unit 56. The gripping clamp 78 corresponds to the twisting member. When the twisting motor 74 rotates in the forward direction and the sleeve unit 76 moves forward, the gripping clamp 78 grips both ends of the wire W around the reinforcing bar R. When the twisting motor 74 further rotates in the forward direction from this state and the sleeve unit 76 rotates in the forward direction, the gripping clamp 78 rotates integrally with the sleeve unit 76. As a result, the gripping clamp 78 twists the wire W. As a result, the reinforcing bar R is bound using the wire W. From this state, when the twist motor 74 rotates in the reverse direction and the sleeve unit 76 rotates in the reverse direction, the wire W is released from the gripping clamp 78. When the twist motor 74 further rotates in the reverse direction, the sleeve unit 76 moves rearward.

[0058] The control unit 58 is accommodated in the control unit accommodation section 20. The control unit 58 includes a control board 82 including an MCU (not shown) and a switching element (not shown). The control unit 58 is electrically connected to the trigger detection switch 27, the main power switch 36, the display section 38, the mode changeover switch 40, the binding force increase switch 42, the binding force decrease switch 44, the detection switch 48, the feed motor 62, the twisting motor 74, and the battery pack BP. When the trigger 26 is pulled by the user while the rebar binding machine 2 is in the on state, or when the trigger 26 is pulled by the user and the contact member 46 is pressed, the control unit 58 operates the feed motor 62 and the twisting motor 74 to execute a binding process of binding the rebar R using the wire W.

[0059] Specifically, first, the control unit 58 rotates the feed motor 62 in the forward direction to rotate the feed roller 64 in the forward direction. As a result, the wire W is fed out, and the wire W is guided by the upper curl guide member 68 and the lower curl guide member 70 to be wound around the rebar R. Next, the control unit 58 rotates the twisting motor 74 in the forward direction to move the sleeve unit 76 forward. As a result, the tip of the wire W is gripped by the gripping clamp 78. Next, the control unit 58 rotates the feed motor 62 in the reverse direction to rotate the feed roller 64 in the reverse direction. As the wire W is pulled back, the diameter of the wire W is reduced and the wire W comes into contact with the rebar R. Next, the control unit 58 rotates the twisting motor 74 in the forward direction to move the sleeve unit 76 forward. As a result, the wire W is gripped by the gripping clamp 78 between the upper curl guide member 68 and the cutting unit 54. Next, the control unit 58 further rotates the twisting motor 74 in the forward direction to move the sleeve unit 76 further forward. The twisting unit 56 operates the cutting unit 54, so that the wire W is cut by the cutting unit 54. Next, the control unit 58 further rotates the twisting motor 74 in the forward direction to rotate the sleeve unit 76 in the forward direction. The gripping clamp 78 rotates around the central axis AX to twist the wire W. Next, the control unit 58 rotates the twisting motor 74 in the reverse direction to rotate the sleeve unit 76 in the reverse direction. This releases the wire W from the gripping clamp 78. Finally, the control unit 58 rotates the twisting motor 74 in the reverse direction to move the sleeve unit 76 backward. This returns the twisting unit 56 to its initial position.

[0060] As shown in FIG. 3, the rebar binding machine 2 includes a first lighting member 100 and a second lighting member 102. The first lighting member 100 and the second lighting member 102 emit light. The configuration of the first lighting member 100 is substantially the same as the configuration of the second lighting member 102. For this reason, hereinafter, the first lighting member 100 and the second lighting member 102 may be collectively referred to as the lighting member 104. The luminous flux of the light emitted by the lighting member 104 is 1 lumen or more and 10,000 lumens or less. The luminous flux of the light emitted by the lighting member 104 may be 1 lumen or more and 1,500 lumens or less, 1 lumen or more and 1,000 lumens or less, 3 lumens or more and 500 lumens or less, or 5 lumens or more and 300 lumens or less. Furthermore, the illuminance of the light emitted by the illumination member 104 is 70 lux or more and 3000 lux or less at a position 150 mm away from the illumination member 104 in the light irradiation direction (for example, forward direction). The illuminance of the light emitted by the illumination member 104 may be 70 lux or more and 2500 lux or less, 100 lux or more and 2500 lux or less, or 100 lux or more and 2000 lux or less, at a position 150 mm away from the illumination member 104 in the light irradiation direction.

[0061] As shown in FIG. 4, the lighting member 104 includes a lens 108, a substrate 110, an adhesive 112, and a plurality of chip LEDs 114 (four in this embodiment).

[0062] The lens 108 defines the outer shape of the illumination member 104. The lens 108 is configured to transmit light. In FIG. 4, the direction of light is indicated by an arrow. The lens 108 corresponds to a transmission portion. The lens 108 is configured to diffuse light. The lens 108 corresponds to a diffusion portion. The lens 108 is made of, for example, acrylic, polycarbonate, polyamide, or ABS.

[0063] The lens 108 includes a first housing portion 118 and a second housing portion 120. The first housing portion 118 has a first housing space 122 therein. The second housing portion 120 has a second housing space 124 therein. The second housing portion 120 is disposed on the rear side of the first housing portion 118. The width of the second housing portion 120 in the vertical direction is larger than the width of the first housing portion 118 in the vertical direction. Therefore, a step portion 126 is formed between the first housing portion 118 and the second housing portion 120 inside the lens 108.

[0064] The board 110 is disposed in the second housing space 124. The board 110 has a plate shape. The first surface 110a of the board 110 abuts against the step portion 126 from the rear side. The rebar binding machine 2 further includes a lead wire 128, which is connected to the second surface 110b of the board 110. The second surface 110b is the surface opposite to the first surface 110a. As shown in FIG. 2, the lead wire 128 passes through the guide member holding portion 14, the torsion motor housing portion 16, the grip portion 18, and the control unit housing portion 20 in this order. The lead wire 128 is connected to the control board 82 in the control unit housing portion 20. As a result, the board 110 (see FIG. 4) is electrically connected to the control board 82.

[0065] 4, the adhesive 112 is disposed in the second housing space 124. The adhesive 112 abuts against the second surface 110b of the substrate 110. With the first surface 110a of the substrate 110 abutting against the step portion 126, the adhesive 112 is injected into the second housing space 124 and solidified, whereby the substrate 110 is fixed to the lens 108 and the lead wire 128 is firmly fixed to the substrate 110.

[0066] The chip LED 114 is a surface mounted device (SMD) type LED. The chip LEDs 114 are mounted on the first surface 110a of the substrate 110. The chip LEDs 114 are arranged in the first housing space 122. The chip LEDs 114 are operated by the control unit 58 (see FIG. 2). The chip LEDs 114 emit light using power from the battery pack BP (see FIG. 1).

[0067] The light emitted by the chip LED 114 reaches the lens 108 and then passes through the lens 108. The light is diffused by the lens 108 while passing through the lens 108. As a result, the diffused light is emitted from the lighting member 104.

[0068] As shown in FIG. 3, the first lighting member 100 and the second lighting member 102 are held by the main body housing 4. The first lighting member 100 and the second lighting member 102 are disposed in the guide member holder 14. The first lighting member 100 and the second lighting member 102 are separated in the left-right direction. The position of the first lighting member 100 in the vertical direction is substantially the same as the position of the second lighting member 102 in the vertical direction. The first lighting member 100 and the second lighting member 102 face forward. As shown in FIG. 2, the first lighting member 100 and the second lighting member 102 (see FIG. 3) are disposed above the grip portion 18, the trigger 26, and the feed motor housing portion 22. The first lighting member 100 and the second lighting member 102 are disposed forward of the trigger 26, the feed unit 50, the cutting unit 54, and the gripping clamp 78. 5, when the rebar binding machine 2 is viewed from the rear, the first lighting member 100 and the second lighting member 102 are disposed below the upper curl guide member 68 and above the lower curl guide member 70. In the vertical direction, the first lighting member 100 and the second lighting member 102 are disposed between the upper curl guide member 68 and the lower curl guide member 70. The center of the first lighting member 100 in the vertical direction and the center of the second lighting member 102 in the vertical direction are disposed above the central axis AX.

[0069] The first lighting member 100 is disposed to the right of the upper curl guide member 68, the lower curl guide member 70, the gripping clamp 78, and the central axis AX. The second lighting member 102 is disposed to the left of the upper curl guide member 68, the lower curl guide member 70, the gripping clamp 78, and the central axis AX. In the left-right direction, the upper curl guide member 68, the lower curl guide member 70, the gripping clamp 78, and the central axis AX are disposed between the first lighting member 100 and the second lighting member 102. Therefore, when the reinforcing bar R is disposed between the upper curl guide member 68 and the lower curl guide member 70 during bundling, a portion of the reinforcing bar R is disposed between the first lighting member 100 and the second lighting member 102, and the intersection of the two reinforcing bars R is disposed between the first lighting member 100 and the second lighting member 102.

[0070] The distance L1 between the first lighting member 100 and the second lighting member 102 in the left-right direction is larger than the diameter D1 of the reinforcing bar R. The distance L1 is 1.5 times or more and 10 times or less than the diameter D1. The distance L1 may be 2 times or more and 5 times or less than the diameter D1. The width W1 of the first lighting member 100 in the up-down direction and the width W2 of the second lighting member 102 in the up-down direction are each larger than the diameter D1 of the reinforcing bar R. The widths W1 and W2 are each 1.5 times or more and 10 times or less than the diameter D1. The widths W1 and W2 may be 2 times or more and 5 times or less than the diameter D1. The width W1 is approximately the same as the width W2. The width W3 of the first lighting member 100 in the left-right direction and the width W4 of the second lighting member 102 in the left-right direction are each larger than the diameter D1 of the reinforcing bar R. Width W1 is equal to or larger than width W3, and width W2 is equal to or larger than width W4. In a modified example, width W1 may be equal to or smaller than width W3, and width W2 may be equal to or smaller than width W4. Each of widths W1 and W2 is approximately the same as the width of lens 108 in the up-down direction, and each of widths W3 and W4 is approximately the same as the width of lens 108 in the left-right direction.

[0071] As shown in FIG. 6, when the first lighting member 100 and the second lighting member 102 emit light, the reinforcing bar R is illuminated by the light. In FIG. 6 and FIG. 7, the irradiation range of the light emitted by the first lighting member 100 and the second lighting member 102 is illustrated by a broken line. At this time, a shadow S1 extending in the left-right direction is formed on the wall surface behind the reinforcing bar R due to the light emitted by the first lighting member 100, and a shadow S2 extending in the left-right direction is formed on the wall surface behind the reinforcing bar R due to the light emitted by the second lighting member 102. In this embodiment, since the distance L1 between the first lighting member 100 and the second lighting member 102 is larger than the diameter D1 of the reinforcing bar R, the light emitted by the second lighting member 102 illuminates the shadow S1 and the light emitted by the first lighting member 100 illuminates the shadow S2. This makes the shadows S1 and S2 less noticeable. In addition, even if the shadows S1 and S2 move around while the rebar binding machine 2 is being moved, the user can be prevented from being distracted by the shadows S1 and S2.

[0072] Also, as shown in FIG. 7, when the reinforcing bar R is illuminated by light, a shadow S3 extending in the vertical direction is formed on the wall surface behind the reinforcing bar R due to the light emitted by the first lighting member 100 and the light emitted by the second lighting member 102. In this embodiment, since the width W1 of the first lighting member 100 in the vertical direction and the width W2 of the second lighting member 102 in the vertical direction are each larger than the diameter D1 of the reinforcing bar R, a part of the light emitted by the first lighting member 100 (for example, the light indicated by the arrows A1 and A2) and a part of the light emitted by the second lighting member 102 (for example, the light indicated by the arrows A1 and A2) illuminate the shadow S3. This makes the shadow S3 less noticeable. Also, by moving the reinforcing bar binding machine 2 around, it is possible to prevent the user from being distracted by the shadow S3 even if the shadow S3 moves.

[0073] Next, the process shown in FIG. 8 executed by the control unit 58 will be described.

[0074] In S2, the control unit 58 determines whether the main power switch 36 has been operated while the rebar binding machine 2 is in the off state. When the main power switch 36 has been operated (YES in S2), the control unit 58 proceeds to S4.

[0075] In S4, the control unit 58 switches the rebar binding machine 2 from an off state to an on state.

[0076] In S6, the control unit 58 operates the first lighting member 100 and the second lighting member 102. The chip LED 114 emits light, causing the first lighting member 100 and the second lighting member 102 to emit light. As a result, the light illuminates the reinforcing bar R.

[0077] In S8, the control unit 58 determines whether the rebar binding machine 2 is in the single shot mode. If the rebar binding machine 2 is in the single shot mode (YES in S8), the control unit 58 proceeds to S10. On the other hand, if the rebar binding machine 2 is not in the single shot mode, i.e., if the rebar binding machine 2 is in the continuous shot mode (NO in S8), the control unit 58 proceeds to S12.

[0078] In S10, the control unit 58 determines whether the trigger 26 has been pulled, based on the detection result of the trigger detection switch 27. If the trigger 26 has been pulled (YES in S10), the control unit 58 proceeds to S14. If the trigger 26 has not been pulled (NO in S10), the control unit 58 returns to S8.

[0079] In S12, the control unit 58 determines whether the trigger 26 is pulled and the contact member 46 is pressed, based on the detection results of the trigger detection switch 27 and the detection results of the detection switch 48. When the trigger 26 is pulled and the contact member 46 is pressed (YES in S12), the control unit 58 proceeds to S14. On the other hand, when the trigger 26 is not pulled and / or the contact member 46 is not pressed (NO in S12), the control unit 58 returns to S8.

[0080] In S14, the control unit 58 executes a bundling process. As a result, the reinforcing bars R are bundled together using the wire W.

[0081] In S16, the control unit 58 determines whether or not the main power switch 36 has been operated. If the main power switch 36 has been operated (YES in S16), the control unit 58 proceeds to S18. On the other hand, if the main power switch 36 has not been operated (NO in S16), the control unit 58 returns to S8.

[0082] In S18, the control unit 58 stops the operation of the first illumination member 100 and the second illumination member 102. As the chip LED 114 stops emitting light, the first illumination member 100 and the second illumination member 102 stop emitting light.

[0083] In S20, the control unit 58 switches the rebar binding machine 2 from the ON state to the OFF state. After that, the control unit 58 ends the processing shown in FIG.

[0084] (effect) The rebar tying machine 2 of this embodiment includes a twisting motor 74 that operates a gripping clamp 78 (an example of a twisting member) that twists the wire W around the rebar R, a main body housing 4 that accommodates the twisting motor 74, and a first lighting member 100 that is held in the main body housing 4 and shines light toward the rebar R.

[0085] According to the above configuration, when the reinforcing bar binding machine 2 is used in a dark place, the reinforcing bar R is illuminated by the light from the first lighting member 100. This makes it possible to make the reinforcing bar R more easily visible.

[0086] Moreover, the first illumination member 100 includes a lens 108 (an example of a transmission portion) that transmits light from the inside of the first illumination member 100 to the outside of the first illumination member 100. The width W1 of the lens 108 is larger than the diameter D1 of the reinforcing bar R.

[0087] According to the above configuration, the width of the light passing through the lens 108 is larger than the diameter D1 of the reinforcing bar R. This allows the entire reinforcing bar R to be illuminated. This makes it possible to make the reinforcing bar R more easily visible.

[0088] The rebar binding machine 2 further includes an upper curl guide member 68 and a lower curl guide member 70 (an example of a guide member) that wind the wire W around the rebar R. The main body housing 4 includes a guide member holding portion 14 that holds the upper curl guide member 68 and the lower curl guide member 70. The first lighting member 100 is disposed in the guide member holding portion 14.

[0089] According to the above configuration, when the reinforcing bar R is tied using the reinforcing bar tying machine 2, the upper curl guide member 68 and the lower curl guide member 70 are disposed near the reinforcing bar R. Therefore, the first lighting member 100 is disposed near the reinforcing bar R. This makes it possible to make the reinforcing bar R more easily visible by the light of the first lighting member 100.

[0090] In addition, the rebar binding machine 2 is further provided with a second lighting member 102 that is held in the main body housing 4 and that shines light toward the rebar R.

[0091] According to the above configuration, compared to a configuration in which one lighting member 104 is used, the reinforcing bar R can be more easily visually recognized.

[0092] The rebar binding machine 2 further includes an upper curl guide member 68 and a lower curl guide member 70 (an example of a guide member) for winding the wire W around the rebar R. The main housing 4 includes a guide member holding portion 14 for holding the upper curl guide member 68 and the lower curl guide member 70. The first lighting member 100 and the second lighting member 102 are disposed in the guide member holding portion 14.

[0093] According to the above configuration, when the reinforcing bar R is tied using the reinforcing bar tying machine 2, the upper curl guide member 68 and the lower curl guide member 70 are disposed near the reinforcing bar R. Therefore, the first lighting member 100 and the second lighting member 102 are disposed near the reinforcing bar R. This makes it possible to make the reinforcing bar R more easily visible by the light of the first lighting member 100 and the light of the second lighting member 102.

[0094] In addition, the torsion motor 74 rotates around a central axis AX extending in the front-rear direction. When the rebar binding machine 2 is viewed in the front-rear direction, the upper curl guide member 68 and the lower curl guide member 70 are disposed between the first lighting member 100 and the second lighting member 102 in the left-right direction perpendicular to the front-rear direction.

[0095] According to the above configuration, when the reinforcing bar R is tied using the reinforcing bar tying machine 2, the light of the first lighting member 100 and the light of the second lighting member 102 illuminate the reinforcing bar R. When the reinforcing bar R is illuminated by the light of the first lighting member 100, a shadow S1 is formed on the wall surface behind the reinforcing bar R, while the light of the second lighting member 102 illuminates the shadow S1. When the reinforcing bar R is illuminated by the light of the second lighting member 102, a shadow S2 is formed on the wall surface behind the reinforcing bar R, while the light of the first lighting member 100 illuminates the shadow S2. Therefore, the shadows S1 and S2 on the wall surface behind the reinforcing bar R can be made less noticeable. Also, when the reinforcing bar tying machine 2 is moved around, even if the shadows S1 and S2 on the wall surface behind the reinforcing bar R move, the user can be prevented from being distracted by the shadows.

[0096] Furthermore, when the rebar binding machine 2 is viewed in the front-to-rear direction, the gripping clamp 78 is disposed between the first lighting member 100 and the second lighting member 102 in the left-to-right direction perpendicular to the front-to-rear direction.

[0097] According to the above configuration, when the reinforcing bar R is bound, the shadows S1, S2 on the wall surface located behind the reinforcing bar R can be made less noticeable.

[0098] Moreover, the distance L1 between the first lighting member 100 and the second lighting member 102 is greater than the diameter D1 of the reinforcing bar R.

[0099] According to the above configuration, when the reinforcing bar R is tied, the shadows S1 and S2 on the wall surface located behind the reinforcing bar R can be made less noticeable.

[0100] The luminous flux of the light emitted by the first illumination member 100 is equal to or greater than 1 lumen and equal to or less than 10,000 lumens.

[0101] According to the above configuration, the light from the first illumination member 100 can make the reinforcing bar R more easily visible.

[0102] The illuminance of the light emitted by the first illumination member 100 is not less than 70 lux and not more than 3000 lux at a position 150 mm away from the first illumination member 100 in the light irradiation direction.

[0103] According to the above configuration, the light from the first illumination member 100 can make the reinforcing bar R more easily visible.

[0104] The first illumination member 100 also includes a chip LED 114 (an example of a light emitting section) that emits light, and a lens 108 (an example of a diffusion section) that diffuses the light emitted by the chip LED 114.

[0105] According to the above configuration, the illumination range of the light from the first illumination member 100 can be made wider, compared to a configuration in which the first illumination member 100 does not include the lens .

[0106] The rebar tying machine 2 further includes a control unit 58 that operates the torsion motor 74, and a lead wire 128 that connects the first lighting member 100 and the control unit 58. The main body housing 4 includes a grip portion 18 that is held by a user when using the rebar tying machine 2, and through which the lead wire 128 passes.

[0107] According to the above configuration, the space inside the grip portion 18 can be effectively utilized.

[0108] The rebar binding machine 2 further includes a control unit 58 that is capable of operating the first lighting member 100 and the twisting motor 74 and executes a binding process of binding the wire W around the rebar R. The control unit 58 causes the first lighting member 100 to emit light before executing the binding process.

[0109] According to the above configuration, the reinforcing bar R can be easily visually recognized when the reinforcing bar R is bound.

[0110] The bundling method of the present embodiment bundles reinforcing bars R using a wire W. The bundling method includes shining light toward the reinforcing bars R, and twisting the wire W around the reinforcing bars R with the light shining on the reinforcing bars R.

[0111] According to the above configuration, when the reinforcing bar R is bound in a dark place, the reinforcing bar R can be easily visually recognized.

[0112] The usage method of this embodiment is a method of using a reinforcing bar binding machine 2 that binds reinforcing bars R using a wire W. The reinforcing bar binding machine 2 includes a twisting motor 74 that operates a gripping clamp 78 (an example of a twisting member) that twists the wire W around the reinforcing bar R, a trigger 26 that is operated by a user and operates the twisting motor 74, a first lighting member 100 that shines light toward the reinforcing bar R, and a control unit 58 (an example of an operating unit) that operates the first lighting member 100. The usage method includes operating the first lighting member 100 by the control unit 58, and operating the twisting motor 74 by operating the trigger 26 by the user.

[0113] According to the above configuration, the reinforcing bar R is illuminated by the light from the first illumination member 100. This makes it possible to make the reinforcing bar R more easily visible when binding the reinforcing bar R in a dark place.

[0114] (Second Example) In the second embodiment, differences from the first embodiment will be described. As shown in Fig. 9, the illumination member 104 includes a plurality of COB elements 214 (four in this embodiment) instead of the plurality of chip LEDs 114. The COB elements 214 are chip-on-board type LEDs. The COB elements 214 are mounted on the first surface 110a of the substrate 110. The COB elements 214 emit light using the power of the battery pack BP (see Fig. 1). The COB elements 214 correspond to a light-emitting unit.

[0115] The lighting member 104 further includes a rib 216 and a fluorescent agent 218. The rib 216 protrudes from the first surface 110a of the substrate 110. The rib 216 is a surrounding wall that surrounds the entirety of the multiple COB elements 214.

[0116] The fluorescent agent 218 is disposed in a space surrounded by the ribs 216. The COB element 214 is disposed inside the fluorescent agent 218. The fluorescent agent 218 diffuses the light emitted by the COB element 214. The fluorescent agent 218 corresponds to a diffusion portion. The light diffused by the fluorescent agent 218 is further diffused by the lens 108 while passing through the lens 108.

[0117] (Third Example) In the third embodiment, differences from the first embodiment will be described. As shown in Fig. 10, the lead wire 128 passes through the guide member holding portion 14, the feed motor housing portion 22, the reel housing portion 24, the connection portion 28, and the control unit housing portion 20 in that order. The lead wire 128 is connected to the control board 82 in the control unit housing portion 20.

[0118] (effect) In this embodiment, the rebar binding machine 2 further includes a feed motor 62 that operates a feed roller 64 (an example of a feed member) that feeds out the wire W, a control unit 58 that operates the torsion motor 74 and the feed motor 62, and a lead wire 128 that connects the first lighting member 100 to the control unit 58. The main body housing 4 includes a feed motor accommodating section 22 that accommodates the feed motor 62 and through which the lead wire 128 passes.

[0119] According to the above-mentioned configuration, the space inside the feed motor housing portion 22 can be effectively utilized.

[0120] (Fourth Example) In the fourth embodiment, differences from the first embodiment will be described. As shown in FIG. 11, the rebar binding machine 2 is provided with an operation switch 300. The operation switch 300 is disposed on the upper surface of the guide member holding portion 14. The operation switch 300 accepts a user's operation to switch the rebar binding machine 2 between a lighting-on state and a lighting-off state. When the rebar binding machine 2 is in a lighting-on state, the control unit 58 (see FIG. 2) operates the first lighting member 100 and the second lighting member 102 (see FIG. 5). As a result, the first lighting member 100 and the second lighting member 102 emit light. When the rebar binding machine 2 is in a lighting-off state, the control unit 58 stops the first lighting member 100 and the second lighting member 102. As a result, the first lighting member 100 and the second lighting member 102 do not emit light.

[0121] When using the wire W to bind the rebar R, the user first operates the main power switch 36 (see FIG. 1) to switch the rebar binding machine 2 from an inoperable off state to an operable on state. At this time, the lighting of the rebar binding machine 2 is off. Next, the user operates the operation switch 300 to switch the lighting of the rebar binding machine 2 from an off state to an on state. This causes the first lighting member 100 and the second lighting member 102 to emit light. Therefore, the rebar R is illuminated by the light. Next, the user pulls in the trigger 26. The control unit 58 executes the binding process, thereby binding the rebar R.

[0122] (Correspondence) The operation switch 300 is an example of an "operation section."

[0123] (Fifth Example) In the fifth embodiment, differences from the first embodiment will be described. As shown in Fig. 12, the first lighting member 100 and the second lighting member 102 are disposed in front of the feed motor housing 22. The first lighting member 100 and the second lighting member 102 are separated in the left-right direction. The first lighting member 100 and the second lighting member 102 face forward.

[0124] The first lighting member 100 and the second lighting member 102 are disposed below the lower curl guide member 70 and above the reel 30 and the battery pack BP. When the rebar binding machine 2 is viewed from the rear, the first lighting member 100 and the second lighting member 102 are disposed near the feed roller 64. The first lighting member 100 is disposed to the right of the upper curl guide member 68, the lower curl guide member 70, the gripping clamp 78, the central axis AX, and the wire W on the feed roller 64. The second lighting member 102 is disposed to the left of the left-right center of the upper curl guide member 68 and the lower curl guide member 70, the left-right center of the gripping clamp 78, the central axis AX, and the wire W on the feed roller 64. The distance L1 between the first lighting member 100 and the second lighting member 102 in the left-right direction is greater than the diameter D1 of the rebar R (see FIG. 5).

[0125] (Sixth Example) In the sixth embodiment, differences from the first embodiment will be described. As shown in Fig. 13, the rebar binding machine 2 includes a first lighting member 100, and does not include the second lighting member 102 of the first embodiment. The first lighting member 100 is disposed in front of the reel housing section 24. The first lighting member 100 faces forward.

[0126] The first lighting member 100 and the second lighting member 102 are disposed below the feed roller 64 and above the reel 30 and the battery pack BP. The right end of the first lighting member 100 is disposed to the right of the upper curl guide member 68, the lower curl guide member 70, and the gripping clamp 78, and the central axis AX. The left end of the first lighting member 100 is disposed to the left of the upper curl guide member 68, the center in the left-right direction of the lower curl guide member 70, and the gripping clamp 78, and the central axis AX.

[0127] The width W1 of the first lighting member 100 in the up-down direction is larger than the diameter D1 of the reinforcing bar R (see FIG. 5). The width W1 is 1.5 times or more and 10 times or less than the diameter D1. The width W1 may be 2 times or more and 5 times or less than the diameter D1. The width W3 of the first lighting member 100 in the left-right direction is larger than the diameter D1 of the reinforcing bar R. The width W3 is 1.5 times or more and 10 times or less than the diameter D1. The width W3 may be 2 times or more and 5 times or less than the diameter D1. The width W3 is equal to or greater than the width W1. In a modified example, the width W3 may be equal to or less than the width W1.

[0128] (Seventh Example) The seventh embodiment will be described with respect to the differences from the first embodiment. As shown in Fig. 14, the shape of the main body housing 4 of the seventh embodiment is different from the shape of the main body housing 4 of the first embodiment.

[0129] As shown in FIG. 15, the torsion motor housing 16 is disposed on the rear side of the guide member holding portion 14. In FIG. 15, the reel cover 10 is open. The control unit 58 is housed in the torsion motor housing 16. The cutting unit 54 is disposed above the torsion unit 56 in the torsion motor housing 16. The grip portion 18 is disposed below the torsion motor housing 16. The control unit housing 20 is disposed below the grip portion 18. The battery pack BP is detachably attached to the lower end of the control unit housing 20. The feed motor housing 22 is disposed on the right side of the torsion motor housing 16 and above the grip portion 18. The reel housing 24 is disposed behind the torsion motor housing 16 and the feed motor housing 22 and above the grip portion 18. Therefore, the reel 30 is disposed behind the torsion motor housing 16 and the feed motor housing 22 and above the grip portion 18. The feed unit 50 feeds the wire W pulled out from the reel 30 in the forward direction.

[0130] As shown in FIG. 14, the first lighting member 100 and the second lighting member 102 are disposed in the guide member holding portion 14. As shown in FIG. 16, the first lighting member 100 and the second lighting member 102 are separated in the left-right direction. The position of the first lighting member 100 in the up-down direction is substantially the same as the position of the second lighting member 102 in the up-down direction. The first lighting member 100 and the second lighting member 102 face forward. The first lighting member 100 and the second lighting member 102 are disposed above the grip portion 18. The first lighting member 100 and the second lighting member 102 are disposed below the upper end of the upper curl guide member 68 and above the lower end of the lower curl guide member 70.

[0131] The first lighting member 100 is disposed to the right of the upper curl guide member 68, the lower curl guide member 70, the gripping clamp 78, and the central axis AX. The second lighting member 102 is disposed to the left of the upper curl guide member 68, the lower curl guide member 70, the gripping clamp 78, and the central axis AX. In the left-right direction, the upper curl guide member 68, the lower curl guide member 70, the gripping clamp 78, and the central axis AX are disposed between the first lighting member 100 and the second lighting member 102. Therefore, when the reinforcing bar R is disposed between the upper curl guide member 68 and the lower curl guide member 70 during bundling, a portion of the reinforcing bar R is disposed between the first lighting member 100 and the second lighting member 102, and the intersection of the two reinforcing bars R is disposed between the first lighting member 100 and the second lighting member 102.

[0132] The distance L1 between the first lighting member 100 and the second lighting member 102 in the left-right direction is larger than the diameter D1 of the reinforcing bar R. The distance L1 is 1.5 times or more and 10 times or less than the diameter D1. The distance L1 may be 2 times or more and 5 times or less than the diameter D1. The width W1 of the first lighting member 100 in the up-down direction and the width W2 of the second lighting member 102 in the up-down direction are each larger than the diameter D1 of the reinforcing bar R. The widths W1 and W2 are each 1.5 times or more and 10 times or less than the diameter D1. The widths W1 and W2 may be 2 times or more and 5 times or less than the diameter D1. The width W1 is approximately the same as the width W2. The width W3 of the first lighting member 100 in the left-right direction and the width W4 of the second lighting member 102 in the left-right direction are each smaller than the diameter D1 of the reinforcing bar R.

[0133] (Eighth Example) In the eighth embodiment, differences from the seventh embodiment will be described. As shown in Fig. 17, the rebar binding machine 2 includes a first lighting member 100, and does not include the second lighting member 102 of the seventh embodiment. The first lighting member 100 is disposed in the guide member holding portion 14. The first lighting member 100 is disposed below the lower curl guide member 70. The first lighting member 100 faces forward.

[0134] The first lighting member 100 is disposed below the lower curl guide member 70 and above the grip portion 18 and the trigger 26. The right end of the first lighting member 100 is disposed to the right of the central axis AX, the right side surface of the grip portion 18, the upper curl guide member 68, the lower curl guide member 70, and the grip clamp 78. The left end of the first lighting member 100 is disposed to the left of the central axis AX, the left side surface of the grip portion 18, the upper curl guide member 68, the lower curl guide member 70, and the grip clamp 78.

[0135] The width W1 of the first lighting member 100 in the up-down direction is larger than the diameter D1 of the reinforcing bar R (see FIG. 16). The width W1 is 1.5 times or more and 10 times or less than the diameter D1. The width W3 of the first lighting member 100 in the left-right direction is larger than the diameter D1 of the reinforcing bar R. The width W3 is 1.5 times or more and 10 times or less than the diameter D1. The width W3 may be 2 times or more and 5 times or less than the diameter D1. The width W3 is equal to or greater than the width W1. In a modified example, the width W3 may be equal to or less than the width W1.

[0136] (Ninth Example) In the ninth embodiment, differences from the seventh embodiment will be described. As shown in Fig. 18, the rebar binding machine 2 includes a first lighting member 100, and does not include the second lighting member 102 of the seventh embodiment. The first lighting member 100 is disposed on the front upper surface of the control unit housing portion 20. The first lighting member 100 faces forward and upward.

[0137] The first lighting member 100 is disposed below the lower curl guide member 70 and the grip portion 18, and above the battery pack BP. The right end of the first lighting member 100 is disposed to the right of the central axis AX, the right side surface of the grip portion 18, the upper curl guide member 68, the lower curl guide member 70, and the grip clamp 78. The left end of the first lighting member 100 is disposed to the left of the central axis AX, the left side surface of the grip portion 18, the upper curl guide member 68, the lower curl guide member 70, and the grip clamp 78.

[0138] The width W1 of the first lighting member 100 in the up-down direction is larger than the diameter D1 of the reinforcing bar R (see FIG. 16). The width W3 of the first lighting member 100 in the left-right direction is larger than the diameter D1 of the reinforcing bar R. The width W3 is 1.5 times or more and 10 times or less than the diameter D1. The width W3 may be 2 times or more and 5 times or less than the diameter D1. The width W3 is equal to or greater than the width W1. In a modified example, the width W3 may be equal to or less than the width W1.

[0139] (Tenth Example) In the tenth embodiment, differences from the first embodiment will be described. As shown in Fig. 19, the rebar binding machine 2 further includes an arm 400, a handle 402, and a trigger 404. The arm 400 has an elongated shape in the front-rear direction. The arm 400 extends rearward from the rear end of the main body housing 4.

[0140] The handle 402 is fixed to the rear end of the arm 400. The handle 402 has a gripping portion 406. The gripping portion 406 is gripped when the rebar binding machine 2 is used for operation.

[0141] The trigger 404 is retractably attached to the front of the gripping portion 406. When a user stands while gripping the handle 402 and pulls the trigger 404 while the rebar binding machine 2 is in the on state, the control unit 58 (see FIG. 2) executes the binding process. This allows the user to bind the rebar R without bending over.

[0142] The first lighting member 100 (see FIG. 1) and the second lighting member 102 are disposed in the guide member holding portion 14. The arrangement of the first lighting member 100 and the arrangement of the second lighting member 102 are substantially the same as the arrangement of the first lighting member 100 and the arrangement of the second lighting member 102 in the first embodiment. In a modified example, the first lighting member 100 and the second lighting member 102 may be disposed in the feed motor housing portion 22 or in the reel housing portion 24.

[0143] (Modification) In one embodiment, the rebar binding machine 2 may include one lighting member 104 or may include three or more lighting members 104.

[0144] In one embodiment, the illumination member 104 is not limited to a surface-emitting configuration as in the above embodiment, but may be configured to emit point light.

[0145] In one embodiment, W1, W2, W3, and W4 of the lighting member 104 may be equal to or smaller than the diameter D1 of the rebar R.

[0146] In one embodiment, the rebar binding machine 2 may be, for example, an autonomous mobile rebar binding machine that moves on the rebar R. [Explanation of symbols]

[0147] 2: Rebar binding machine 4: Main housing 14: Guide member holding portion 16: Torsion motor housing 18: Grip section 20: Control unit housing 22: Feed motor housing 24: Reel storage section 26: Trigger 58: Control unit 62: Feed motor 64: Feed roller 68: Upper curl guide member 70: Lower curl guide member 74: Torsion motor 76: Sleeve unit 78: Grasping clamp 100: First lighting member 102: Second lighting member 104: Lighting components 108: Lens 114: Chip LED 128: Lead wire 214: COB element 218: Fluorescent agent 300: Operation switch AX: Central axis D1: Diameter L1: distance R: Reinforcement bar S1, S2, S3: Shadow W: Wire W1, W2, W3, W4: Width

Claims

1. a torsion motor that operates a torsion member that twists the wire around the rebar; a main body housing that accommodates the torsion motor; a first lighting member held in the main body housing and shining light toward the rebar.

2. the first illumination member includes a transmission portion that transmits the light from inside the first illumination member to outside the first illumination member, The rebar tying machine according to claim 1 , wherein the width of the transmission portion is greater than a diameter of the rebar.

3. The wire is further provided with a guide member for winding the wire around the reinforcing bar, the main body housing includes a guide member holding portion that holds the guide member, The reinforcing bar binding machine according to claim 1 or 2, wherein the first lighting member is disposed in the guide member holding portion.

4. The reinforcing bar tying machine according to claim 1 or 2, further comprising a second lighting member held by the main body housing and shining light toward the reinforcing bar.

5. The wire is further provided with a guide member for winding the wire around the reinforcing bar, the main body housing includes a guide member holding portion that holds the guide member, The reinforcing bar binding machine according to claim 4 , wherein the first lighting member and the second lighting member are disposed in the guide member holding portion.

6. The torsion motor rotates about a central axis extending in a front-rear direction, The reinforcing bar tying machine of claim 5, wherein when the reinforcing bar tying machine is viewed in the front-to-rear direction, the guide member is positioned between the first lighting member and the second lighting member in the left-to-right direction perpendicular to the front-to-rear direction.

7. The reinforcing bar tying machine of claim 6, wherein when the reinforcing bar tying machine is viewed in the front-to-rear direction, the torsion member is arranged between the first lighting member and the second lighting member in the left-to-right direction perpendicular to the front-to-rear direction.

8. The reinforcing bar binding machine according to claim 4 , wherein a distance between the first lighting member and the second lighting member is greater than a diameter of the reinforcing bar.

9. The rebar binding machine according to claim 1 , wherein the luminous flux of the light emitted by the first lighting member is equal to or greater than 1 lumen and equal to or less than 10,000 lumens.

10. The rebar tying machine according to any one of claims 1 to 9, wherein the illuminance of the light emitted by the first lighting member is 70 lux or more and 3000 lux or less at a position 150 mm from the first lighting member in the light irradiation direction.

11. The first illumination member is A light emitting unit that emits light; The reinforcing bar binding machine according to claim 1 , further comprising: a diffusion section that diffuses the light emitted by the light emitting section.

12. a control unit for operating the torsion motor; a lead wire connecting the first lighting member and the control unit, The reinforcing bar tying machine according to claim 1 , wherein the main body housing is provided with a grip portion that is held by a user when using the reinforcing bar tying machine and through which the lead wire passes.

13. a feed motor that operates a feed member that feeds out the wire; a control unit for operating the torsion motor and the feed motor; a lead wire connecting the first lighting member and the control unit, The reinforcing bar binding machine according to claim 1 , wherein the main body housing includes a feed motor accommodating section that accommodates the feed motor and through which the lead wires pass.

14. a control unit operable to operate the first lighting element and the torsion motor and to perform a binding process for binding the wire around the rebar; The reinforcing bar binding machine according to claim 1 , wherein the control unit causes the first lighting member to emit light before performing the binding process.

15. A method for bundling reinforcing bars using a wire, comprising the steps of: Shining light toward the reinforcing bar; and twisting the wire around the rebar while the light is shining on the rebar.

16. A method of using a rebar tying machine that ties rebars using a wire, comprising the steps of: The rebar tying machine comprises: a torsion motor for operating a torsion member that twists the wire around the rebar; a trigger operated by a user to operate the torsion motor; A first lighting member that shines light toward the reinforcing bar; an operating unit that operates the first illumination member, The method of use includes: operating the first illumination member by the operating unit; and actuating the torsion motor through operation of the trigger by the user.

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