JP3094333U - Band belt cutting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the cutting precision and prevent trouble in the width direction of a belt-shaped belt body having different thicknesses and widths by preventing its rectilinearity and widthwise escape by a cutter. To provide a belt body cutting device. A belt introduction unit (3) in which a belt-shaped belt member (B) is slid on a convex table (11), and a plurality of weights (13) are arranged in a width direction thereof and selectively mounted thereon when cutting and drawing the belt-shaped belt member (B). A pressing roll 35 for bending a traveling belt downward is provided in a traveling transition space between the receiving roll 21 and the convex table 11, and thereafter, a belt cutting unit 5 disposed so as to be able to contact and separate from the cutter receiving roll 21.
And a belt take-up section 7 provided with a pressing means 8 on the outer peripheral surface of a belt formed body cut around the rotating roll.
It is assumed to be composed of

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention relates to a belt-shaped belt cutting device, more specifically, a molded belt-shaped belt body. The present invention relates to a technique for simply cutting the width of a sheet and accurately cutting it in the longitudinal direction with a required width.

[0002]

[Prior art]

  Conventionally, as shown in FIG. 3, for example, a wound belt formed by winding a molded belt-shaped belt around a paper tube. A rotary shaft is passed through the object 81 and horizontally mounted on a rack 82, and its front end is placed on the table surface. Pull it out along the travel guide 83, and then pass over the cutter receiving roll 84 and pull it. The configuration is such that the pinch drive roll 85 for feeding is sandwiched between the rolls as follows.

[0003]   The cut width is transferred on the cutter receiving roll 84 in the width direction parallel to the roll axis. There is a movable cutter 86 that moves to the required width to determine the cutter position and receive it. The belt-shaped belt B on the roll is cut off, the blade edge is received, and the roll is cut into contact with the roll. Pull When the delivery roll 85 rotates and the belt B sandwiched by this roll is taken up, The belt-shaped belt passing through the curved portion is cut by the cutter blade edge. At this time, the belt body B To prevent it from escaping, place your hand on the belt belt on the table to guide it in place. I was assisting with proper tension and guiding the position of the running belt.

[0004]

[Problems to be solved by the device]

  However, the belt is pulled in by the pinch roll method, and pinch work near both ends of the roll is performed. Work tends to work strongly, and the table on which the belt-shaped belt slides and runs is smooth. It is difficult for the belt-shaped belt body to follow the width direction evenly, and if the belt with a narrow cutting width is included, A wide belt and a take-up difference occur, and meandering is inevitable. Because it depends on human resources again There was a problem that variations in manual work tended to occur and labor-intensive labor was required.

[0005]   The present invention solves the above-mentioned problems of the prior art, and a long strip belt. It is an object to provide a cutting device for cutting a straight belt with a required width from a belt body. It is something.

[0006]

[Means for Solving the Problems]

  In the structure of claim 1, the belt-shaped belt body is cut into a predetermined width in the longitudinal direction. It is a disconnecting device, and a belt-shaped belt member is slid on a convex table so that a plurality of belt-shaped belt members are provided in the width direction. A belt introducing section with weights placed side by side, a cutter receiving roll, and the convex surface A pressing roll that bends the running belt downward is installed in the running space with the table. And then a belt cut portion arranged so that it can come into contact with and separate from the cutter receiving roll surface, The belt molded body after cutting is wound around the rotating roll peripheral surface and pressed onto the outer peripheral surface. It is assumed that the belt take-up section is provided with.

[0007]   According to this, in the belt introduction part, the belt molding is slid on the convex table. The weight of the belt is meandered according to the width and thickness of the belt. You can select and place properly while checking.

[0008]   Also, in the belt cutting section, immediately before the cutter blade, the cutter receiving roll and the convex surface tape are It has a pressing roll that bends the traveling belt downward in the traveling space with the bull. In addition, at the belt take-up section, the roll that rotates the belt molded body after cutting The pressing means is provided on the outer peripheral surface of the outer peripheral surface.

[0009]   According to a second aspect of the present invention, in the first aspect, the belt take-up portion presses the pressing hand. The step also has an endless band that circumscribes and circumscribes a circular arc around the partial peripheral surface of the roll surface. It is said that. According to this, in the belt take-up portion after cutting, the pressing means has an endless bar. And the band surface is pressed closely against the partial peripheral surface of the take-up roll in an arc shape. , The endless band can also run synchronously with the rotation of the take-up roll.

[0010]

[Embodiment of device]

  An embodiment of a belt-shaped belt cutting device according to the present invention will be described with reference to FIGS. Explain. FIG. 1 is a front view of a belt-shaped belt cutting device according to the present invention. 2 shows the running tension of the belt belt during cutting, and FIG. 2 shows the belt belt body of FIG. It is a top view of a cutting device.

[0011]   First, as shown in FIGS. 1 and 2, the band-shaped belt body cutting device 1 Pull the belt introduction part 3 that is unwound from the roll and placed on the surface and the cutter receiving roll. A belt cut portion 5 that presses a round blade against the strip-shaped belt body B to be cut off to cut the width. , A belt take-up section 7 for taking up the narrowly divided belt after cutting There is.

[0012]   Next, each part will be described. First, the belt introducing section 3 is a belt unwinding section, and Pillow-shaped convex table 11 placed at one end on the base 9 and placed from above It is composed of a weight 13 and a width determining guide 16 for restricting the width on the upper surface of the table. . First, the convex table 11 has a smooth convex surface with a large curvature on the upper surface side. It is bent with an iron plate, and the rolling roller 12 is built in at the lower end corner part. This prevents the belt-shaped belt body B to be inserted from being caught.

[0013]   Next, the weight 13 is fixed in parallel to the upper surface of the convex table 11 with its bottom surface as a flat plate. The belt body B is rotatably fitted around the horizontal axis and is divided into a plurality in the width direction of the belt body B. The weights are lifted around the horizontal axis and deposited at the inverted stop position. . Also, when changing the position of the weight in the width direction, the lock of the collar 15 sandwiched by the horizontal shaft 14 is removed. Then you can slide it sideways.

[0014]   Next, the width determining guide 16 is attached to the upper end of the upper surface of the convex table 11 to form the belt-shaped belt member B. Place the backing plate in place at the front and the movable backing plate on the back side along the side of the It is fastened according to the width of the belt member B.

[0015]   Next, the belt cut portion 5 includes the cutter 20 attached to the cutter holder 26 and the belt shape. Cutter receiving roll 21 that cuts through the belt body B and hits the cutting edge, and the cutter is made up and down It comprises a moving cutter advancing / retracting part 23 and a cutter moving part 24 changing the cutting width. The cutter 20 uses a round blade made of a super hard material, and a fastening member is provided in a hole provided at the center. Is fixed to the cutter holder 26 by penetrating therethrough. Deterioration of sharpness and blade contact It can be moved and maintained.

[0016]   Next, the cutter receiving roll 21 is made of a cylindrical roll having a shaft protruding at both ends. There is a resin lining on the outer peripheral surface of the base material where the cutter 20 cuts. The outer diameter is uniform. Insert the rotary bearings into the shafts at both ends, and mount it on the mount 9. The belt-like belt B traveling in contact with this upper surface is pivotally supported in accordance with the horizontal height. is there. Although this rotation is free, it is synchronized with the rotation of the take-up roll 41 described later. You may rotate it.

[0017]   Next, the cutter advancing / retreating unit 23 installs the cutter holder 26 on the moving plate 25 in the vertical direction. A series of reciprocating cylinders 33 mounted on the rider 27 and fixed to the upper end of the moving plate 25. Straighten up and down the cutter holder 26 that is stretched and fastened to the rod. You can move.

[0018]   Subsequently, the cutter moving unit 4 is installed on the upper portion of the gantry 9 horizontally and has two upper and lower horizontal slides. A movable plate 25 is attached to the rider 28, and lateral movement is provided between two horizontal sliders. This servo is controlled by rotating the servo motor 32 with the bow screw 31 connected to the end of the screw. Nuts that are screwed into the base screw are fastened to the back surface of the moving plate 25 to control the movement in the lateral direction. It can be stopped by positioning it within a predetermined width. In this example, two sets of moving plates are attached It has a positioning cutter and can be divided into three parts at a time in the width direction. This If the combination is changed, the number of divisions can be changed as well.

[0019]   Next, the pressing roll 35 according to the present invention comprises a cutter receiving roll 21 and a convex taper. Pull down the belt-shaped belt body B belt to be run in the running cross space with the bull 11. It is arranged in a positional relationship where it is bent and bent.

[0020]   A cylindrical roll having a shaft portion protruding from both ends, and a holder 36 supporting both shaft portions as a rotary shaft. , A guide 37 for guiding this holder, and a cylinder 3 for moving this holder up and down 7 are provided on the left and right, these left and right cylinders are synchronized and moved up and down. At the extended end of the binder, the lowered position is at the contracted end, and the belt-shaped belt body B can be bent downward. still Since the pressing roll 35 bends the belt-like belt B downward, vertical movement can be eliminated. .

[0021]   Next, the belt take-up unit 7 mainly takes up the rotation of the belt-shaped belt body B after cutting. According to the present invention, the take-up roll 41 and the existing take-up roll 41 can be synchronized with each other by circumferentially contacting the outer circumference thereof. Endless band 45 and pressing means 7, which are sandwiched between and pulled The belt body B is sandwiched by the endless band 45 which is in circumferential contact with the take-up roll 41 and runs in synchronization with each other. The belt-shaped belt body B can be taken out uniformly while suppressing the deformation.

[0022]   First, the take-up roll 41 is a cylindrical roll having a rotating shaft protruding at both ends, Both shafts are rotatably supported, and the roll top is mounted on the pedestal 9 with the top of the cutter receiving roll 21 and the water. It is fastened flat and the drive motor 43 for rotation drive is transmitted to the shaft end. It is connected through a member.

[0023]   Next, the pressing means 7 moves the endless band 45 around the take-up roll 41 so that the endless band 45 is in an upward direction. And the fixed pulleys 46 are arranged near the lower position and the intermediate position between these positions. An extension pulley 47 that can move outward is provided, and there is no extension between these three pulleys 46 and 47. Put the end band 45 around the take-up roll 41 and move the extension pulley 47 with the screw shaft. Move it to set a suitable tension.

[0024]   For the endless band 45, a thin steel band, a resin belt, a flat belt, etc. are suitable. Used.

[0025]   Next, referring to FIG. 1, the operation of the band-shaped belt cutting device 1 of the present invention will be described below. And explain. First, in the initial state, the weights 13 are all in the reverse state, and the introduction width is determined 16. The movable side is in the free state, the pressing roll 35 is in the raised state, the cutter 20 is in the separated state, and Free the width determination 51.

[0026]   Subsequently, 1) the winding belt of the required belt-shaped belt body B is arranged in the belt introducing portion of the present device. . 2) Unwind the front end of the belt into this device and place it on this device up to the belt take-up part. To do. 3) Freely press the placed belt against the fixed side of the introduction width determination 16 of this device. Adjust the movable side of the state to the belt width, and then set the take-up width 51 to the belt width in the same manner. Position the belt width accordingly.

[0027]   Then, 4) select the cutter position to a predetermined required position and position by servo drive. Then, 5) the front end of the belt-shaped belt B is fixed to the fixed pulley 46 of the pressing means 8. Insert it and take it off at a low speed. The front end of the belt-shaped belt B is sufficiently adhered and slippage is eliminated. Stop where you left off.

[0028]   6) Next, lower the pressing roll 35 and wind it around the cutter receiving roll 21. As a state, at the same time, the weight 13 in the predetermined width direction is reversed and on the belt-shaped belt body B. 7) The take-up roll 41 is rotatably driven at a low speed, Check that the belt-like body B is positioned and guided without wrinkles, and move the cutter forward and downward. And start cutting. Confirm that there is no abnormality and set the rotation of the take-up roll 41 to a specified value. increase.

[0029]   Then, when the cutting of the predetermined length is completed, the drive of the take-up roll is stopped, Position to the initial state, cut the length of the belt-shaped belt B at a predetermined position, and then cut the next width. repeat.

[0030]

[Effect of device]

  In the band-shaped belt cutting device according to claim 1, first, the convex portion is formed in the belt introducing portion. By sliding the belt molded body on the surface table, you can select multiple weights in the width direction. From that, the entire width of the wide belt body is fitted to the convex surface and is evenly aligned to the front. Depending on the weight of the belt, the width of the belt can be adjusted according to the molding condition and thickness of the belt. Since the tension can be corrected, the stretched condition can be set evenly over the entire width, and the straightness of traveling can be improved. Can hold At the belt cut section, the pressing roll pushes down the belt-shaped belt. Therefore, the contact of the belt-shaped belt body with the cutter receiving roll becomes an arc-shaped close contact and is held. The force is improved, and the escape of the belt-shaped belt body at the cutter can be minimized. These things When cutting a belt-shaped belt, it is long and suitable for various thicknesses. No need to adjust the meandering of the belt belt, and even if narrow cutting widths are mixed, it is possible to handle without trouble. Wear.

[0031]   In the belt-shaped belt cutting device according to claim 2, the belt-shaped belt cutting device is not pressed against the take-up roll surface. The belt-shaped belt body is pulled by the rotational force of the take-up roll. The take-up roll in this state An endless band wrapped in an arc around the upper peripheral surface is evenly distributed over the entire width of the belt-shaped belt. It is possible to apply equal surface pressure during continuous running, and to push the surface of the take-up roll in the width direction. The bracing force is always proportionally distributed over the entire width, and it is possible to prevent uneven meandering during take-up. Chicken It is suitable for picking up a belt-shaped belt body cut into a narrow width.

[Brief description of drawings]

FIG. 1 is a front view of a band belt molding cutting device according to the present invention, showing a running tension state of the band belt during cutting.

FIG. 2 is a top view of the band belt cutting device according to the present invention.

FIG. 3 is a perspective view of a conventional belt-shaped belt body cutting device.

[Explanation of symbols]

B belt-shaped belt 1 Band-shaped belt cutting device 3 Belt introduction section 5 Belt cut section 7 Belt collecting section 8 Pressing means 11 convex table 13 weights 16 Determination of introduction width 20 cutters 35 pressing roll 45 endless band 51 Picking up width

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[Procedure amendment]

[Submission date] January 16, 2003 (2003.1.1
6)

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 2

[Correction method] Change

[Correction content]

Claims (2)

[Scope of utility model registration request] 1. A cutting device for cutting a belt-shaped belt body to a predetermined width in a longitudinal direction, wherein the belt-shaped belt body is slid on a convex table and a plurality of weights are arranged side by side in the width direction so as to be placed freely. A belt cutting section that is provided with a pressing roll that bends the running belt downward in the running crossing space between the cutter receiving roll and the convex table, and then arranged so that it can come into contact with and separate from the cutter receiving roll surface. A belt-shaped belt cutting device, comprising: a belt-shaped belt body that is wound around a rotating roll peripheral surface and provided with a pressing means on the outer peripheral surface thereof. 2. The belt-shaped belt body cutting device according to claim 2, wherein the pressing means of the belt take-up portion includes an endless band which surrounds the roll peripheral surface and a partial peripheral surface thereof in an arc shape to circumscribe.