JP2541716Y2 - Cutting material support device - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a cutting material supporting device for supporting a long material to be cut or the like, and in particular, to supporting a material to be cut and its weight. The present invention relates to a cutting material support device capable of smoothly adjusting the height when used below.

[Conventional technology]

2. Description of the Related Art Conventionally, as a support for supporting a long material to be cut such as a pipe, there is a pipe cradle disclosed in Japanese Utility Model Laid-Open No. 56-171130.

As shown in FIG. 4, a pair of oscillating rods 105 each having a lower end pivotally supported by a mounting plate 103 and a rotating shaft 104 are provided on the upper surface of a base plate 101, and rollers 108 are provided above the oscillating rods 105. Shaft 106 of threaded pipe W (material to be cut) bearing externally fitted
And the second shaft 107 is passed below the first shaft, the upper end of the support arm 110 is rotatably fitted to the second shaft, and the locking claw 111 is fixed to the lower end. Provided and its locking claw 111
Project the pin 112 to the back of the
A serrated locking plate 113 fixed by 116 is attached, the locking claw 111 is locked and freely engaged, and an anti-bounce plate 115 is provided slightly above the pin 112. 1
The height of the material to be cut was adjusted by changing the positions of the locking claws of the support arm 110 locked in the thirteen locking grooves 113a.

[Problems to be solved by the invention]

However, according to the above conventional technique, there are the following problems.

Adjustment of the height of the material to be cut is performed by the locking groove 113 of the sawtooth locking plate 113.
The adjustment is performed by changing the position of the locking claw 111 of the support arm 110 locked to a, and cannot be adjusted steplessly.
When the position of the locking claw 111 is changed, the swinging rod 105 is moved upward and the locking claw of the support arm 110 is moved from the locking groove 113a of the sawtooth locking plate 113.
Since the member 111 is removed and then locked in the other locking groove 113a, it is difficult to adjust the material while the material to be cut is supported. And, in order to prevent the locking claw 111 from popping up and coming off from the locking groove 113a due to vibration during processing of the material to be cut, the flip-up prevention plate 115 and the like are provided, so that the structure becomes complicated, Hard to carry.

The present invention has been made in view of the above-mentioned problems, and has a stepless height adjustment and a cutting material supporting device which can be easily adjusted while supporting a material to be cut, has a simple structure, and is easy to carry. Is to provide.

[Means for solving the problem]

In order to solve the above-mentioned problems, the present invention is a cutting material supporting device which supports a material to be cut and uses the material under its weight, wherein each upper end portion is rotatably connected and the lower end portion is freely opened and closed. A support in which a pair of left and right arms are provided, the arms are arranged in opposition, a support shaft for supporting the material to be cut is provided between the upper ends of the arms, and a connecting shaft is provided between the lower ends of the right and left. A mechanism and an adjusting screw rotatably provided between an arm between the support shaft and one connecting shaft, and a stepped shaft parallel to the adjusting screw between an arm between the supporting shaft and the other connecting shaft. Is provided, along with an adjusting block that is screwed into the adjusting screw, and a block that is slidably fitted to the small-diameter shaft portion of the stepped shaft,
A cutting material support comprising: an adjusting mechanism having one end rotatably mounted on the block and the other end rotatably mounted on the adjusting block, and an adjusting arm provided with an adjusting arm for expanding and contracting the gap between the adjusting screw and the stepped shaft. This is a device configuration.

According to the present invention, when the material to be cut is supported on the support shaft of the support mechanism, the lower ends of the pair of arms are opened due to the weight of the material to be cut and the like, and slide on the small diameter shaft portion of the stepped shaft. The movably fitted block is locked to the stepped portion of the stepped shaft.

In this state, when the adjustment screw is rotated in the tightening direction, the adjustment block screwed to the screw portion of the adjustment screw moves forward, and the block connected via the adjustment arm is engaged with the step portion of the stepped shaft. By moving the adjusting screw forward, the adjusting screw moves and the distance between the adjusting screw and the stepped shaft is reduced. As a result, the lower ends of the pair of arms are closed and the support shaft, which is positioned above as a fulcrum, is moved upward to raise the position of the material to be cut.

When the adjusting screw is rotated in the direction in which the adjusting screw is loosened in the above-described state (where the material to be cut is supported and used under its weight), the adjusting block screwed to the screw portion of the adjusting screw moves in the depth direction, and the When the block connected via the arm moves in the depth direction while being locked to the stepped portion of the stepped shaft due to the weight of the material to be cut supported on the support shaft, the adjusting screw moves and steps The distance from the shaft is increased. As a result, the lower ends of the pair of arms open and lower the support shaft positioned above as a fulcrum, thereby lowering the position of the material to be cut.

Therefore, the height of the material to be cut supported on the support shaft is adjusted.

〔Example〕

 One embodiment according to the present invention will be described with reference to the drawings.

1 is a perspective view of a cutting material supporting device, FIG. 2 is a sectional view taken along line II-II of FIG. 1, and FIG. 3 is a sectional view taken along line III-III of FIG. It is.

As shown in FIG. 1 and FIG.
Is a support mechanism B for supporting a workpiece (long material) W;
And an adjusting mechanism C for adjusting the height position of the workpiece W.

The support mechanism B includes a pair of left and right arms 1 and 2 whose upper ends are rotatably connected to each other and whose lower ends are freely openable and closable, and two arms 1 and 2 are arranged to face each other. A support shaft 3 provided between the upper ends of the arms 1 and 2 to support the workpiece W; a connecting shaft 4 provided between the lower ends of the arms 1;
And a connecting shaft 5 provided between the lower ends of the connecting shafts. Also,
The support shaft 3 and the connection shafts 4 and 5 are arranged in parallel, and cylindrical rollers 6, 7, and 8 are provided on the outer periphery of the support shaft 3 and the connection shafts 4 and 5 by external fitting.

Each of the arms 1 and 2 is an elongated plate serving as a leg. A circular hole formed at each upper end is overlapped with each other, and a small-diameter cylindrical protrusion formed at an end of the support shaft 3 is overlapped with the hole. The support shaft 3 is attached to the upper end of the arms 1 and 2 by screwing the nut 9 to the screw formed at the end of the projecting portion, and a circular shape larger than the arm 1 of the arm 2 on the outside. By providing a cylindrical intermediate wheel longer than the thickness of the arm 2 in the hole (not shown), the arm 2 can be tightened even if the nut 9 is tightened.
The upper end on the side is rotatable and the lower end is openable and closable. A screw formed at the end of the connecting shaft 4 is inserted into a hole formed at the lower end of the arm 1, and a nut 10 is screwed into the screw, and the end of the connecting shaft 4 is inserted into the lower end of the arm 1. The end of the connecting shaft 5 is attached to the lower end of the arm 2 in the same manner. The workpiece W supported by the roller 6 provided on the support shaft 3
And the rollers 7, 8 provided on the connecting shafts 4, 5 facilitate opening and closing movements of the lower ends of the arms 1, 2.

As shown in FIGS. 1 to 3, the adjusting mechanism C is an adjusting screw provided between the support shaft 3 and one of the connecting shafts 4 in parallel with the support shaft 3 between the arms 1.
A stepped shaft 13 provided in parallel with the adjusting screw 12 between the arm 2 between the support shaft 3 and the other connecting shaft 5; an adjusting block 14 screwed to a screw portion of the adjusting screw 12; It comprises a block 15 slidably fitted to the small-diameter shaft portion of the shaft 13, and an adjustment arm 16 connecting the block 15 and the block 15.

The adjusting screw 12 has a small-diameter cylindrical long axis 12a at one end and a small-diameter cylindrical short axis 12b at the other end, and the long axis 12a is connected to one arm 1 And the short shaft portion 12b is pushed through the circular hole formed substantially at the center of the other arm 1 so as to be rotatable with respect to the arm 1. The knob 17 is attached to the end of the long shaft portion 12a by a pin. The screw portion formed on the adjusting screw 12 has a predetermined length, and is formed slightly closer to one side.

The stepped shaft 13 has a thread formed at an end thereof inserted into a hole formed substantially at the center of the arm 2, and a nut 18 is screwed into the thread to be attached to the arm 2. Further, a step portion 13b is formed slightly on the other end side from the center, and the other side from the step portion 13b is a small diameter shaft portion 13a having a smaller diameter than one side.

The adjusting block 14 has a substantially cubic shape, and forms a screw hole that is screwed into a screw portion of the adjusting screw 12,
The rotation of the adjusting screw moves on the screw portion along the adjusting screw. The block 15 is also substantially cubic and has a small diameter shaft portion of a stepped shaft.
A hole that is slidably fitted to the outside is formed in 13a, and is movable along the small-diameter shaft portion 13a.

The adjusting arm 16 is an elongated plate body, one end of which is rotatably attached to the block 15 and the other end of which is an adjusting block.
The adjusting screw 14 is rotatably attached to the adjusting screw 14 so that the distance between the adjusting screw 12 and the stepped shaft 13 is enlarged or reduced. A small-diameter cylindrical protrusion formed by projecting from the lower surface of the block 15 is pushed through a circular hole formed at one end of the adjustment arm 16, and a nut 20 is screwed into a screw formed at an end of the protrusion. Adjusting arm 16
Is attached to the block 15, and by providing a cylindrical intermediate ring longer than the thickness of the adjusting arm 16 in the hole,
The adjustment arm 16 is rotatable. The other end of the adjustment arm 16 is rotatably attached to the adjustment block 14 in the same manner as described above using the nut 19.

Next, the operation and action of the cutting material supporting device A will be described.

First, the support shaft 3 is installed at a position separated from the cutting machine such that the roller 6 abuts on the lower surface of the workpiece W protruding from the bed of the cutting machine (not shown), and the support shaft 3 supporting the workpiece W is The height is adjusted with the knob 17 so that the upper surface of the roller 6 is at the same height as the upper surface of the bed.

When the workpiece W is supported on the support shaft 3 of the support mechanism B, the lower ends of the arms 1 and 2 are opened due to the weight of the workpiece W and the like, and slide on the small-diameter shaft portion 13a of the stepped shaft 13. The freely fitted block 15 is slid in the X direction and is brought into a state of being locked to the step 13b of the stepped shaft 13.

In this state, when the adjusting screw 12 is rotated in the right direction (R direction), which is the direction in which the adjusting screw 12 is tightened, the adjusting block 14 screwed to the screw portion of the adjusting screw 12 moves in the X direction, and is connected via the adjusting arm 16. When the block 15 is moved in the X direction while being locked to the step portion 13b of the stepped shaft 13, the adjusting screw 12 moves in the S direction and the distance between the adjusting screw 12 and the stepped shaft 13 is reduced. Become. As a result, the lower ends of the arms 1 and 2 are closed and the support shaft 3 positioned as a fulcrum is moved upward to raise the position of the workpiece W.

When the adjusting screw 12 is rotated in the left direction (the L direction) in the above-mentioned state (the state in which the workpiece W is supported and used under its weight), the adjusting screw 12 is screwed into the screw portion of the adjusting screw 12. The adjusted block 14 moves in the Y direction, and is connected via the adjusting arm 16.
Moves in the Y direction while being locked to the stepped portion 13b of the stepped shaft 13 due to the weight of the material W to be cut supported on the support shaft 3, and the adjusting screw 12 moves in the N direction to form a step. The distance from the shaft 13 is increased. As a result, the lower ends of the arms 1 and 2 open and lower the support shaft 3 positioned above as a fulcrum, and the workpiece W
Lower position.

As described above, the height of the workpiece W supported on the support shaft 3 is adjusted, and this height adjustment can be performed steplessly by the adjustment block 14, the adjustment arm 16, etc. of the adjusting screw 12. it can. Further, if the roller 6 of the support shaft 3 is held after use, the block 15 of the small diameter shaft portion 13a of the stepped shaft 13 moves in the Y direction, and the lower ends of the arms 1 and 2 are closed. It will be easier.

The present invention is not limited to the above embodiment. For example, a screw hole may be formed in the support shaft, the connecting shaft, and the end surface of the shaft, and a bolt may be screwed into the screw hole to attach each shaft to the arm. .

[Effect of the invention]

The present invention is configured as described above, and has the following effects.

a) A support shaft for supporting a material to be cut is provided at an upper end portion, and a support mechanism including a pair of arms and the like having a lower end portion movable freely, an adjusting screw and an adjustment block for adjusting opening and closing movement of the pair of arms. The height adjustment of the material to be cut can be performed in a stepless manner by comprising the adjustment mechanism including the above. In addition, since adjustment can be easily performed in a supported state, work is easy.

b) Since the block of the small diameter shaft portion of the stepped shaft slides, if the support shaft is held at the end of the work, the block slides and the lower end portions of the pair of arms close, so that the compact and portable device can be used. It will be easier.
Further, since the structure is simple, it can be produced at low cost.

[Brief description of the drawings]

1 to 3 of the drawings relate to an embodiment of the present invention, FIG. 1 is a perspective view of a cutting material supporting device, and FIG. 2 is II of FIG.
FIG. 3 is a cross-sectional view taken along the line II, and FIG.
FIG. 3 is a sectional view taken along line III-III of FIG. FIG. 4 is a side sectional view of a conventional example. A: Cutting material support device B: Support mechanism, C: Adjustment mechanism W: Material to be cut 1, 2, Arm, 3: Support shaft 4, 5, Connection shaft, 6, 7, 8 ... Roller 9, 10, 11, 18,19,20… Nut 12… Adjust screw 12a… Long shaft part, 12b… Short shaft part 13… Stepped shaft, 13a… Small diameter shaft part 13b… Stepped part, 14… Adjustment block 15… Block, 16… Adjustment arm 17… knob

Claims (1)

(57) [Scope of request for utility model registration] 1. A cutting material supporting device for supporting a material to be cut and using the same under its weight, comprising a pair of left and right arms each having an upper end portion rotatably connected and a lower end portion openable and closable. A support mechanism for providing a support shaft for supporting a material to be cut between upper ends of the arms by disposing the arms in opposition to each other, and providing a connecting shaft between respective lower ends on the right and left sides; An adjust screw is rotatably provided between an arm between a shaft and one connecting shaft, and a stepped shaft parallel to the adjust screw is provided between an arm between the support shaft and the other connecting shaft,
An adjusting block screwed to the adjusting screw is provided, and a block slidably fitted to the small-diameter shaft portion of the stepped shaft is provided. One end is rotatably mounted on the block, and the other end is adjusted. An apparatus for supporting a cutting material, comprising: an adjusting mechanism which is rotatably mounted on a block and has an adjusting arm for expanding and contracting a distance between the adjusting screw and a stepped shaft.