JP3026279U - Cutting machine - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To attach a circular rotating grindstone whose driving direction is the machine base to a support shaft which is vertically attached to the machine base and which is vertically moved or bowed to the machine base. An electric motor is installed and the support column is lowered toward the machine base and rotated to rotate the grindstone to cut the size of the article supported by the vise on the machine base. It is not suitable for work that requires frequent movements and is mainly installed and used at a base, which is of little convenience and expensive. SOLUTION: The present invention is small and portable, and uses a cutting device as a hand-held electric disc grinder. The cutting device is detachably attached to a base, and is a support part of the base 1. 1 ₁ the gripping portion 7 for gripping a detachable electric type disuccinimidyl grinder 6 to支体4 cutting member 2 to the bow movement in the vertical direction of the base 1 is provided by Tomejiku 5, also on the base 1 Is provided with a cam type clamp body 3 for supporting an object to be cut.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 This invention relates to a cutting machine for cutting a steel bar, a metal tube or the like into a predetermined length with a rotating grinding wheel.

[0002]

[Prior art]

 A press machine or a shearing machine is mainly used for cutting steel bars and steel bars to cut steel bars, steel bars and metal pipes to a predetermined size, and a reciprocating saw machine and rotary cutting grindstone for cutting pipes. There is a cutting machine that is equipped with a rotary shaft and is driven by a motor, or a pipe cutting machine dedicated to cutting pipes.

[0003]

[Problems to be solved by the device]

 Among the conventional cutting machines mentioned above, the press machine and the sheer machine are large in size, and are suitable for cutting rebar and steel bars in fixed places such as factories, but they are suitable for moving work sites. Is not suitable, and the cutting machine equipped with a rotating grindstone has all the rotating parts fixed to the base, and the large size of the cutting machine itself makes it difficult to move the work site. In addition, since the clamp device that supports the cut object on the base is a screw-driven vise, it takes time to tighten and loosen the cut object with a vise. It is a thing. The present invention makes the aircraft smaller and makes it easier to carry when moving, and unlike the conventional one in which the electric motor is fixed to the aircraft, a portable disc grinder is detachably installed on the aircraft. When it is not needed, it can be removed from the machine so that the disc grinder can be used as it was originally when performing sheet metal work. It aims to provide an easy-to-use cutting machine that can be used at low cost to speed up the tightening and loosening operation.

[0004]

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention installs the cutting body 2 on the base 1 and the clamp body 3 that holds and supports the cut object so that they face each other with a space therebetween. the cutting body 2 is gripping detachable electric type disuccinimidyl grinder 6 on top 4 ₂支体4 and支体4 lower 4 ₁ is axially secured with Tomejiku 5 the bearing portion 1 ₁ of the base 1 It consists of a one having a gripping portion 7, the gripping member 7 and the supporting arm 17 at a distance that can be electrically driven disuccinimidyl grinder -6 at the top 4 ₂支体4 is interposed between the support arm 18 Are provided so as to face each other, and the support arm 17 and the support arm 18 are provided with a tightening bolt 15 and a tightening bolt 16 toward the facing surfaces where the support arm 17 and the support arm 18 face each other. The tips are screwed and engaged so that they project from the respective facing surfaces, and the tips are projected from the support arms 17 and 18. Rutotomoni支受body 7 for gripping the trunk portion ₆₁ of the electric type disuccinimidyl grinder 6 to the tip portion of their respective of each fastening attached bolt 15 and tightening bolted 16 ₁ and支受body 7 ₂支受A body 7 ₁ and a support body 7 ₂ are provided so as to face each other, and a grip portion 7 for detachably gripping the body portion 6 ₁ is configured, and the support body 4 operates the cutting body 2. When the handle 8 is provided and the cutting body 2 is lowered by the operation of the operation handle 8, the cutting grindstone 9 of the electric disc grinder 6 approaches the object B to be cut supported by the gramp body 3 to reach these objects. When the cutting body 2 is raised by the operation handle 8, the cutting grindstone 9 of the electric disc grinder 6 stops cutting into the object to be cut B and then leaves the object. It returns to the state of.

[0005] Next, the clamp body 3 for支受to be edged tool B is made of a receiving portion 3 ₁ and the movable part 3 ₂ which, receiving 3 ₁ on the base 1 is receiving 3 ₁ The sandwiched body 3 ₁₁ faces the sandwiched body 3 ₂₃ of the movable part 3 ₂ provided on the same base 1 and can slide in both directions of the movable part 3 ₂ and the cut body 2 or is a fixed base. It provided 1, and the movable portion 3 ₂挾体3 ₂₃ mutually direction as挾体3 ₁₁ of receiving part 3 ₁ to the table 3 ₂₄ cam contact portion 3 _21, abutment surface 3 ₂₅ of the cam contact portion 3 ₂₁ The cam surface 3 ₂₆ is positioned to orient the cam 3 ₂₂ that abuts and separates, and the cam 3 ₂₂ together with the base 3 ₂₄ penetrates the cam 3 ₂₂ and the cam 3 ₂₄ and is loosely engaged. It is supported by the locking shaft 11 that engaged the spindle head 11 _{and second} drive handle 10 of the locking shaft 11, moreover, the above-mentioned stop shaft 11 is provided longitudinally Jikusaki portion is located the cutting body 2 of the base 1 Sliding freely in the direction of the long hole 12 Base 1 Engages a threaded portion 11 ₁ of Jikusaki portion penetrate the underside setscrew 13 which is支受in receptacle 14 of the empty rolling locking set screw 13 in the lower surface of the base 1 by the base of the movable part 3 ₂ and engaged with 1, or one screw portion 11 of the cam 3 stop shaft 11 in the rotating operation of the fastening to the drive wheel 10 the drive wheel 10 to ₂₂ and the cams 3 ₂₂ and support shaft 11 to both rotate adjustment of intervals of the set screw 13 and the receiving portion 3 ₁ of挾体3 ₁₁ and the movable portion 3 ₂ of挾体3 ₂₃ by adjusting the degree of strength of engagement of the spindle 11 that engages Ya ₁ This is to adjust the strength of the additional tightening for holding the cut object B of the clamp body 3.

[0006] In the cutting body 2, as支体4 provided so as to face the plurality of support arms 17 with a spacing that can so to have the electric type disuccinimidyl grinder 6 to the upper 4 ₂ and the support arm 18, the electric type disuccinimidyl The gripping part 7 is configured to detachably grip the grinder 6, and the gripping part 7 is fastened to the support arm 17 and the support arm 18 so that they face each other. The bolts 15 and the tightening bolts 16 are engaged with each other by screwing their tips so that they project from the respective facing surfaces, and the tightening bolts 15 protruding from the respective facing surfaces of the support arm 17 and the support arm 18 are tightened. the tip portion of the fastening attached bolt 16 in contact with the trunk portion ₆₁ of the electric type disuccinimidyl grinder 6, opposite which contact the支受body ₇₁ and支受body 7 ₂ gripping the trunk portion ₆₁ face each other And tightening bolt 15 and tightening bolt 16 Therefore the rotational operation of the work or one of the fastening attached bolt 15 or fastening attached bolt 16 only, gripping the trunk portion ₆₁ of the electric type disuccinimidyl grinder 6 between支受body ₇₁ and支受body 7 ₂ and gripping Will be released.

[0007]

[Embodiment of device]

 This device is lightweight and compact and easy to carry, and is intended for use in places where conventional large cutting machines cannot be used, or for light work that does not require large cutting machines. It can easily cut the size of cut objects such as pipes and frame materials of metal fittings, and does not require a special power source to drive and rotate the cutting wheel. A hand-held electric disc grinder is used to directly connect the machine, so if you purchase a machine and install the hand-held disc grinder that you have, you can efficiently cut the above-mentioned objects at any location. It can be done easily. Also, when fixing the cut object B to the base 1, unlike the conventional vise type with a screw tightening method, a clamp body with a cam drive system is installed, so that the cut object can be held and held. Can be easily released by operating the drive handle.

In the embodiment of the present invention, a cutting body is provided at a rear portion about 15 cm away from the clamp body 3 on the base 1 formed by pressing a steel plate having a width of 25 cm square. 2 a bearing portion 1 ₁ in order to upright provided,支体4 Shi stop shaft in Tomejiku 5 the lower 4 ₁支体4 cutting member 2 to the support portion 1 ₁ a bow motion to the base 1 It is installed so that it is possible. Further, a cam type clamp body 3 is provided in the front part of the base 1 at a distance from the cutting body 2, and the clamp body 3 is used to hold an object to be cut. provided remembering intervals supporting arms 17 and the support arm 18 vertically in order to grip the trunk portion ₆₁ of the electric type disuccinimidyl grinder 6 to 4 of the upper, more above the support arms 17 tightening bolted from above Tighten 15 downward and the lower part of the bolt 15 projects below the support arm 17. The support arm 18 is provided with a tightening bolt 16 from below so that the upper part of the tightening bolt 16 projects above the support arm 18, and the lower part 5 of the tightening bolt 15 is a downward支受body _71, also constitute a gripping portion 7 provided支受body 7 ₂ above facing each of the upper portion of the fastening attached bolt 16, the electric type disuccinimidyl grinder 6 by the gripping portion 7 cutting surface of the grinding wheel is provided with a barrel portion ₆₁ to a rotary drive shaft of the trunk portion ₆₁ is gripped so as to face the direction of the clamping member 3. The body 6 ₁ of the electric type disc grinder 6 is grasped by the grasping portion 7 by turning both the tightening bolts 15 and 16 so that the tightening bolts 15 and 16 are moved toward each other. By doing so, the supporting body 7 ₁ and the supporting body 7 ₂ provided on the tightening bolts 15 and 16 come close to each other, and the body portion 6 ₁ is strongly grasped from both above and below the electric type disc. The grinder 6 is strongly gripped by the grip part 7. For adjusting the distance between the electric disc grinder 6 and the base 1, it is advisable to adjust the degree of extension of both tightening bolts 15 and 16.

Next, the object to be cut B is clamped by the clamp body 3 by moving the movable part 3 ₂ of the clamp body 3 composed of the receiving part 3 ₁ and the movable part 3 ₂ on the base 1. keep away pulled from that receiver 3 ₁ opposite the from with intervening Hisetsubutsu B between the receiving part 3 ₁ of挾体3 ₁₁ and the movable portion 3 ₂ of挾体3 _23, the movable portion 3 ₂ is again moved to the receiving portion 3 ₁ side, and when the body 3 ₂₃ comes into contact with the object to be cut B, the drive handle 10 is turned, and the stop shaft 11 is moved by the stop shaft 11 on the table 3 ₂₄ connected to this. The supported cam 3 ₂₂ is rotated, and the cam surface 3 ₂₆ of the cam 3 ₂₂ is extended toward the contact surface 3 ₂₅ of the cam contact portion 3 ₂₁ facing the cam surface 3 _26. when the strongly abut the cams surfaces 3 ₂₆ to _25, the threaded portion 11 ₁ of the detent shaft 11 with the rotation of the stopper shaft 11 is driven handle 10 to the drive wheel 10 spindle head 11 ₂ is engaged in group Threaded part of the stop shaft 11 on the underside of the base 1. By increasing the degree of engagement with the set screw 13 engaged with 11 ₁ , the movable portion 3 ₂ of the clamp body 3 is strongly fixed to the base 1 and movable between the shaft head 11 ₂ and the set screw 13. part 3 ₂ can provide for strong cleavage of pinching and Hisetsubutsu B in the receiving part 3 ₁ a target switching object B.

When the object B to be cut is clamped by the clamp body 3, the electric disc grinder 6 is energized to start the electric motor to rotate the drive shaft and cut while rotating the cutting grindstone 9 provided on the drive shaft. When the operation handle 8 of the body 2 is operated so that the cutting body 2 descends toward the base 1, the cutting body 2 moves to the lower portion 4 of the support body 4.₁Supporting part 1 of base 1₁When the cutting grindstone 9 approaches the object to be cut B and the peripheral edge of the cutting grindstone 9 comes into contact with the object to be cut B as well as to make a bowing motion downward around the part that is stopped by the stop shaft 5. The cut object B is cut into the cut object and cut down. When the cutting operation is completed, the operation handle 8 is raised above the base 1 and the cutting body 2 is separated from the base 1. The cutting body 2 returns to its original position and the cutting operation is completed. In order to remove the to-be-cut object B from the clamp body 3 after stopping the energization of the to secure the safety, turn the drive handle 10 in the opposite direction to the front and turn the cam 3_{twenty two}Cam surface 3₂₆The stand 3_{twenty four}The body of 3_{twenty three}Contact surface 3_{twenty five}Separated from cam 3_{twenty two}Rotate the stop shaft 11 supporting the ₁ And the set screw 13 are loosened, the movable part 3 of the clamp body 3₂The movement of the moving part 3₂The receiving part 3₁When it is pulled away from the cut object B, the cutting work can be taken out from the clamp body 3 and the cutting operation is completed. However, when the cut object B is further cut, the above procedure may be repeated again.

[0011] When subjecting the case or an electric type disuccinimidyl grinder 6 clean up cutter cutting operation end to the original use is in gripping the body portion ₆₁ at the gripping portion 7 of the cutting body 2支受body 7 ₁ and supporting receptacle 7 is an electric type disuccinimidyl grinder 6 by widening the distance between the _second Izure or the other fastening attached bolt 15 or支受body ₇₁ by loosening the tightening of the tightening attached bolt 16 and 7 ₂ gripping It can be removed from the section 7 and the cutting machine will be less bulky, which is convenient for storage and transfer to other locations.

When the clamp body 3 is moved on the base 1, both the stop shaft 11 for fixing the receiving portion 3 ₁ and the movable portion 3 ₂ to the base 1 and the stop bolt of the receiving portion 3 ₁ are attached to the base 1. lower surface respectively engaging the set screw 13 in the stopper shaft 11 receiving 3 ₁ of the stop bolt is a setscrew in side engaged tightening to have setscrew 13 and receiving portion of the base 1 engages with the long hole 12 3 ₁ of the stop in the longitudinal direction of the receiving part 3 ₁ and the movable part 3 ₂ also again receiving 3 ₁ stop Bol in place is moved to the locking screws shaft 11 to loosen the tightening of the locking bolt slot 12 By tightening the screw 13, the clamp body 3 can be positioned and fixed at a position suitable for cutting.

[0013]

[Effect of device]

This device is suitable for cutting thin objects and small-sized objects, and because it has a small size, it can be used at work sites and can cut objects as desired. Since the one that drives the cutting grindstone 9 used for cutting uses the electric disc grinder 6, only the machine is purchased as the cutting machine, and if the electric disc grinder 6 that is already in hand is installed, it will be immediately Since a cutting machine can be constructed, it is extremely economical, and even when the electric disc grinder 6 is attached to or removed from the machine body, it is held between the supporting bodies 7 ₁ and 7 ₂ of the holding body 7. It can be easily and easily attached / detached simply by operating the tightening bolts 15 and 16. Since the clamp body 3 also uses the cam system, it is easy and easy to operate, and it can fix the cut object accurately and surely, and it is easy to handle, and it does not have an electric motor. Therefore, the purchase price is low, it is easy to purchase, and it is easy to spread to users.

[Brief description of drawings]

FIG. 1 is a perspective view showing a cutting machine of the present invention.

FIG. 2 is a cross-sectional view of the grip portion.

FIG. 3 is a sectional view showing an engaging portion between a movable portion of a clamp body and a base.

FIG. 4 is a plan view showing the entire clamp body portion.

FIG. 5 is a sectional view taken along line AA.

[Explanation of symbols]

1-base, 1 ₁ -bearing part, 2-cut body, 3-clamp body,
3 ₁ -Receiving part, 3 ₁₁ -Collapsible body, 3 ₂ -Movable part, 3 ₂₁ -Cam abutment part, 3 ₂₂ -Cam, 3 ₂₃ -Craft body, 3 ₂₄ -Platform, 3 ₂₅ -Abutting surface, 3 ₂₆ -Cam surface, 4-support, 4 ₁ -lower part, 4 ₂ -upper part, 5
-Stop shaft, 6-Electric disc grinder, 6 ₁ -Body, 7
─Gripping part, 7 ₁ ─ Supporting body, 7 ₂ ─Supporting body, 8 ─ Operating handle, 9 ─ Cutting wheel, 10 ─ Drive handle, 11 ─ Stop shaft, 11
₁ ─ Screw part, 11 ₂ ─ Shaft head, 12 ─ Slot, 13 ─ Set screw, 14 ─
Receptacle, 15-tightening bolt, 16-tightening bolt, 17-supporting arm, 18-supporting arm, B-cut object

Claims (3)

[Scope of utility model registration request] 1. A cutting body 2 and a clamp body 3 for supporting an object to be cut are provided on a base 1 so as to face each other with a space therebetween, and a supporting body 4 of the cutting body 2 is a support portion of the base 1. together provided in the freely approaching operation and away operation on vertical movement to clamp body 3 toward the axially supporting the lower portion 4 ₁ in Tomejiku 5 around the stopper shaft 5 in the vertical direction of the base 1 to 1 _1,支体4 has a gripping portion 7 that is detachably gripping the trunk portion ₆₁ of the electric type disuccinimidyl grinder 6 provided thereon 4 _2, the operating handle 8 of the cutting body 2 provided further支体4 When the cutting handle 2 is lowered by operating the operating handle 8, the cutting grindstone 9 of the electric disc grinder 6 approaches and cuts into the object B supported by the clamp body 3, and conversely The cutting whetstone 9 is moved away from the object to be cut B toward the upper side of the base 1 by the rise of the cutting tool 9 and returns. Cutting machine, wherein the door. 2. The clamp body 3 comprises a receiving portion 3 ₁ and a movable portion 3 _{2. The} receiving portion 3 ₁ has a body 3 ₁₁ on the base 1 and a body 3 _{23 of the} movable portion 3 _2.
A facing, and installed in a slidable or fixed a base 1 in both directions of the movable portion 3 ₂ and the cutting body 2, facing the receiving part 3 ₁ of挾体3 ₁₁ in the movable part 3 ₂ base 3 ₂₄挾Body 3 ₂₃ and cam contact part 3
_21, will thereby localizing the cam 3 ₂₂ cam surfaces 3 ₂₆ to contact surface 3 ₂₅ of the cam contact portion 3 ₂₁ is to allow separating the abutment, further together with the cam 3 ₂₂ base 3 ₂₄ cam The drive handle 10 is attached to the shaft head 11 ₂ of the stop shaft 11 which loosely engages through 3 ₂₂ and the base 3 _24.
Is supported by a retaining shaft 11 which is engaged with the retaining shaft 11. Moreover, the retaining shaft 11 is slidably inserted in the longitudinal hole 12 provided in the longitudinal direction where the cutting body 2 of the base 1 is located so as to be slidable in the direction of the longitudinal hole 12. The movable portion is engaged by engaging the screw portion 11 ₁ of the shaft tip which is pulled out to the lower surface side of the base 1 with the set screw 13 supported by the receiving body 14 which is the idling stop of the set screw 13 on the lower surface of the base 1. 3 ₂ were engaged with the base 1, and, as the cam 3 ₂₂ and Tomejiku 11 together pivot rotation of actuation handle 10 by fastening the drive handle 10 to the cam 3 _22, the drive wheel When the turning operation of 10 causes the stop shaft 11 and the cam 3 ₂₂ to rotate, the screw portion of the support shaft 11
11 setscrew 13 and挾体3 ₁₁ by adjusting the degree of strength of engagement of the receiving part 3 ₁ of the supporting shaft 11 that engages the ₁ and the movable part 3 ₂ of挾体3 ₂₃
2. The cutting machine according to claim 1, wherein the strength of the tightening for holding the object B of the clamp body 3 is adjusted. 支体4 wherein the cutting bodies 2, to that the plurality of support arms 17 with a spacing which can intervening electric type disuccinimidyl grinder 6 thereon 4 ₂ and the support arm 18 is provided opposite to each other, the electric The mold disc grinder 6 is configured to include a gripping portion 7 that holds the mold grinder 6 in a freely attachable / detachable manner. The gripping portion 7 is fastened to a supporting arm 17 and a supporting arm 18 toward opposite surfaces where the supporting arm 17 and the supporting arm 18 face each other. The mounting bolt 15 and the tightening bolt 16 are screwed and engaged so that the tip portions thereof protrude from the facing surfaces, respectively, and further tightened with the tightening bolt 15 protruding from the facing surfaces of the support arm 17 and the supporting arm 18. as the surface contacting the支受body ₇₁ and支受body 7 ₂ to grip it against the body part ₆₁ of the electric type disuccinimidyl grinder 6 to the body portion ₆₁ face each other in each tip portion of the attached bolt 16 It is provided by engaging with, and the rotation operation of both the tightening bolt 15 and the tightening bolt 16 or Is one tightening bolt 15
_{2. The} gripping and releasing of the gripping of the body portion 6 ₁ of the electric disc grinder 6 by the supporting body 7 ₁ and the supporting body 7 ₂ are performed by rotating only 16 or 16. Cutting machine.