WO2002026388A1 - Destructeur de documents - Google Patents

Destructeur de documents Download PDF

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Publication number
WO2002026388A1
WO2002026388A1 PCT/JP2001/008430 JP0108430W WO0226388A1 WO 2002026388 A1 WO2002026388 A1 WO 2002026388A1 JP 0108430 W JP0108430 W JP 0108430W WO 0226388 A1 WO0226388 A1 WO 0226388A1
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WO
WIPO (PCT)
Prior art keywords
cutting
cut
blade
clutch
cutter
Prior art date
Application number
PCT/JP2001/008430
Other languages
English (en)
Japanese (ja)
Inventor
Shoshichi Okuyama
Original Assignee
Okuyama Sekkei Co. Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Okuyama Sekkei Co. Ltd. filed Critical Okuyama Sekkei Co. Ltd.
Priority to AU2001292267A priority Critical patent/AU2001292267A1/en
Publication of WO2002026388A1 publication Critical patent/WO2002026388A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B02C18/2225—Feed means
    • B02C18/2283—Feed means using rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives

Definitions

  • the present invention aims to finely cut a sheet to be cut, and includes a pair of sheet feed guide rollers (1), (2), and a book roll cutter (4) and a fixed blade, which are rotationally driven by one motor.
  • a two-axis rotary drive control system (guide roller side rotary drive system) that incorporates a double-clutch mechanism U, W, an electromagnetic clutch, etc. as a measure to cope with the cutting load and power.
  • the roll force, the sorter-side rotation drive system), and the (shaft-free side) guide roller (2) rotation drive mechanism as a component to completely prevent the leakage of confidential information in the disposal of important documents.
  • the present invention relates to the obtained shredder and the cutting blades of two slice cutters (A) (4a) and '(B) (4b) constituting the roll cutter (4), and the manufacturing method thereof.
  • Conventional shredders are generally cut into one dollar shape (vertical cutting method) using a pair of ⁇ roll cutters or a fixed blade and paper feed guide roller.
  • horizontal cutting method In order to cut more finely (horizontal cutting method), it is necessary to rely on another roll force, the combination of the fixed blade and the roll force, or a pair of special cross forces, and the combination of the fixed blade.
  • the former noodle cutting method is Japanese Patent Publication No. 6-38925, Japanese Patent Publication No. 6-47080
  • the latter horizontal cutting method is Japanese Patent Publication No. 7-87901, Japanese Patent Publication No. 8-24853, and No. 1-69737 and the method using the cross-cut method are described in the official gazettes of JP-A-9-199247.
  • the following two measures are generally used as a measure against the cutting load excess. It is a method known to.
  • one method is to rotate the entire system in the reverse direction and return the jammed cut paper in the reverse direction. is there.
  • the cutting method is to reverse the vertical and horizontal cutting cutters together.
  • the other method is to rotate the vertical cutting cutter in the reverse direction without rotating the cutter for horizontal cutting in reverse, and to return the jammed cut paper in the opposite direction as in the former method (Japanese Patent Laid-Open No. 1 6 9 7 3 7).
  • the former method causes a slight deviation in the cutting edge of the cutting blade due to excessive force and reverse rotation of the sorter, which is a factor that impairs the cutting life of the cutter.
  • the cut paper sandwiched between the cutters for horizontal cutting is forcibly pulled out as it is, as in the former case, the engagement of the cutting blades becomes inconsistent and the cutting life of the cutters is shortened.
  • the cross-cut cutting method disclosed in Japanese Patent Application Laid-Open No. 9-192747 is a method in which cutting including horizontal cutting can be performed at the intersection of two roll cutters.
  • the currently known cutting method is based on the concept of the cutting method, and causes factors that increase costs in both manufacturing and maintenance. It is considered to be extremely large.
  • the present invention minimizes such negative factors as much as possible, and provides a cutting method based on a cutting concept that can completely prevent confidential leakage of important documents and the like with low total cost (costs of manufacturing and maintenance).
  • the sheet to be cut is provided with a pair of guides by giving a synchronous rotation angle to two rotation drive systems of a pair of paper feed guide rollers and a one-roll cutter with one motor.
  • the important rolls (1) and (2) are fed by the roll cutter (4) and the fixed blade (3).
  • a so-called "one-way cutting system” is used, in which the paper to be cut can be finely cut in a single cut, combining both vertical and horizontal cutting, so that confidential leakage during disposal can be completely prevented.
  • fc shredder Roll The ratio of the rotational angular displacement between the cutter (4) and the guide rollers (1) and (2) is a constant value, and this ratio is one of the important factors that determine the size of the cut paper pieces. .
  • the outer periphery of the pair of paper feed guide rollers (1) and (2) for feeding the cut paper is made of rubber with a thickness of several mm and lined with a large friction coefficient, and one of the pair is a shaft.
  • the fixed type and the other one are assembled with shaft-free type bearings.
  • a gap displacement occurs between the roller shafts according to the thickness of the paper to be cut, and the paper to be cut is constantly held down by the spring pressure.
  • ⁇ It has a structure ⁇ that can reliably perform the paper feeding function.
  • the rotation of the paper feed guide roller (2) on the free bearing side is based on the so-called "pole-to-ring contact contact drip method" by contacting 4 to 6 balls, which is easy to adjust to both the drive side and the driven side.
  • the guide rollers (1) and (2) of both guide rollers adopt a structure that does not cause phase unevenness in the rotation angles of both guide rollers.
  • the roll cutter (4) is composed of a combination of two slicing cutters (A) (4a) and (B) (4b) with different cutting blade shapes.
  • the fixed blade (3) is ground with the same cutting blade shape as the geometric projection shape of the cutting blade of the roll cutter (4).
  • the cutting blades of the slice cutters (A) and (B) combine vertical cutting and horizontal cutting; t conceptual cutting blades that can fully perform the cutting function capable of fine cutting.
  • Cutting blades such as straight blades, R-shaped blades, corrugated blades, circular, partially elliptical, elliptical, partially elliptical, etc. single shapes consisting of S, and composite shapes consisting of combinations thereof The shapes can be considered.
  • the slice cutter (A) has the simplest semicircle and two
  • the composite cutting blade shape (B) which is a combination of these straight lines, has a simple cutting blade shape consisting of a simpler straight blade.
  • the cutting blades of the two slice cutters (A) and (B) shown in the examples of the present invention each have a simple shape, so that manufacturing costs and the like can be reduced.
  • the cutting edge of the roll cutter (4) and the fixed blade (3) is composed of a combination of the two slice cutters (A) () and (B) (4b). Adjustments can be made relatively easily.
  • the roll cutter (4) and the fixed blade (3) are provided with a rotation angle corresponding to the ratio amount synchronized with the above-mentioned rotation angle phase difference on the paper feed guide rollers (1) and (2). ),
  • the paper to be cut is always sent at a fixed paper feed length for each cutting edge of the cutting blade, so that fine cutting is possible.
  • the overload current is electrically controlled by the current detection device, and it is fixed to the mouth and the lamp (4). Release the cut paper sandwiched between the blade (3) and the pinch. Apply the minimum reverse rotation angular displacement necessary for fc to the roll cutter (4) >> to remove the cut paper. The cutter is free from being caught between the cutting blades of the two cutters, namely the roll cutter (4) and the fixed blade (3).
  • the paper feed guide rollers (1) and (2) have a control mechanism that stops and waits while the shaft is electrically fixed. Therefore, damage to the cutting blade caused by forcibly pulling out the paper to be cut while being sandwiched between the cutting blades of the two cutters, or subtle irregularities occurring at the joints of the cutting blades, etc. It is possible to avoid it.
  • the roll cutter (4) is electrically fixed after it has been set in the reverse rotation and the angular displacement in the fc range. Since the rotational driving force is not transmitted, the cutter is cut and the paper is released. We will wait while stopped in the state. In this way, the engagement between the fixed blade (3) and the roll cutter (4) in the process of the measure for the cutting load can be prevented from causing damage or subtle deviation.
  • a rotation drive control system that prevents the motor (4) from rotating backward more than necessary is adopted.
  • the contact surfaces of the pair of guide rollers (1) and (2) are generally There are two types of surface contact.
  • the former is a contact surface consisting of concave and convex mating surfaces that are not flat, and the latter is a contact surface composed of non-planar concave and convex mating surfaces. Examples of the latter are corrugated teeth, chevron teeth and rack teeth. It is supposed that the self-advancement function of the remaining part of the pre-cut paper by the subsequent cut paper will be added. In addition, it is generally impossible to limit the cut paper to be considered as a shredder to a fixed form, and it is necessary to meet the needs of the range of use and to target any cut paper.
  • Figure 17 shows an example of surface contact, in which a pair of guide rollers (1) and (2) consisting of corrugated teeth are cut with a roll cutter (4) and a fixed blade (3).
  • the shape of the wave mating surface is hard rubber or S-molded, and the cut paper is plasticized into a shape similar to the cross-section of the outer peripheral surface of the guide roller and sent. (See Figure 18).
  • the helicopter angle (S °) adopted together with the malleability ratio ⁇ is determined by the pair of guide rollers (1) and (2), which make contact with the sheet to be cut. Its purpose is to avoid the occurrence of curl phenomena, which are plasticized to a shape similar to the developed shape and hinder the self-feeding function of cut paper.
  • the structure is such that it does not hinder re-assembly even if it is removed while applying the spring pressure of the roller shaft. .
  • Fig. 1 is a cross-sectional view showing a cutting part of a shredder that can perform fine cutting that combines vertical cutting and horizontal cutting only by a single roll cutter and fixed blade.
  • Fig. 2 is a cross-sectional view showing a two-line gear drive system for a shredder that employs a cutting method that allows fine cutting with a single roll cutter and a fixed blade.
  • Fig. 3 is a sectional view showing the drive side of the gear drive system on the guide roller side and the roll cutter side.
  • Fig. 4 is a cross-sectional view showing the rotation drive mechanism (ball rolling contact drive system) of the shaft-free side guide roller.
  • FIG. 5 is a sectional view showing an assembly portion of a pair of guide rollers.
  • FIG. 6 is a cross-sectional view showing an assembly portion of the roll cutter.
  • Fig. 7 is a sectional view showing the U part shown in Fig. 3, that is, the mechanical clutch part incorporated in the rotation drive system on the guide roller side.
  • Fig. 8 is a cross-sectional view showing the W section shown in Fig. 3, that is, the mechanical clutch part incorporated in the rotary drive system on the portal cutter side.
  • Fig. 9 is a development view of the mechanical clutch (A) part of the U and W parts shown in Fig. 3.
  • Fig. 10 shows the mechanical clutches of the U and W parts shown in Fig. 3. It is a development view of (B) part.
  • Fig. 11 is a sectional view showing the bearings on the guide roller rotation drive side and the driven side.
  • Fig. 12 is a sectional view showing the drive side and driven side bearings when the guide roller is removed;
  • Fig. 13 is a cross-sectional view showing the components of the electromagnetic clutch M3) and '(25).
  • Fig. 14 is a diagram showing the tooth shape (radial rack tooth shape) of the claws and the sooth teeth to be adopted in the mating teeth (C) of the electromagnetic clutches (13) and (25).
  • Fig. 15 is a cross-sectional view showing the tooth shape (spiral rack tooth shape) of the clutch teeth to be adopted in the mating teeth (C) of the electromagnetic clutches (13) and (25).
  • Fig. 16 is a cross-sectional view showing the sensor head of the rotation angle displacement detection device (21).
  • Fig. 17 shows the cross section of guide rollers (1) and (2) in which the contact surface of a pair of guide rollers (1) and (2) is a contact surface with a certain lead angle.
  • Fig. 18 is a diagram showing a cross section in the feed direction of a sheet to be cut which has been waved by a pair of guide rollers having a wave mating surface as a contact surface.
  • Figure 19 shows the external shape of the slice cutter (A) (4a).
  • Fig. 20 shows the cutting edge of the cutting blade of the slice cutter (A) (4a).
  • Fig. 21 shows the cutting blade section as a composite shape consisting of one R section and two straight sections as an example of the cutting blade configuration section of the slice cutter (A) (4a). It is a figure.
  • Fig. 22 shows the swinging angle of the slice cutter (A) (a) with respect to the grinding wheel head when the cutting blade is formed by grinding.
  • Fig. 23 is a diagram showing the vertical movement of the slice cutter (A) (4) with respect to the grinding wheel head when the slice cutter (A) (4a) is formed by cutting blade grinding.
  • Fig. 24 shows the relationship between the inclination angle ⁇ ° of the grindstone head base and the movement when the cutting blades of the slice cutters (A) and (4a) are formed by grinding. It is a figure.
  • Fig. 25 is a diagram showing the relationship between the configuration of the cutting blade shown in Fig. 21 of the slice cutters (A) and (4a) and the cutting edge angle ( ⁇ ).
  • Fig. 26 The figure shows the outline of the slice cutters (B) and (4b).
  • Figure 27 shows the shapes of the cutting blades of the slice cutter (B) (4b).
  • Fig. 28 shows the relationship between the movement of the grindstone head and the slice cutters (B) and (b) when the cutting blades of the slice cutters (B) and (4b) are ground.
  • Fig. 30 is a diagram showing the projected blade shapes of the cutting blade of the fixed blade (3).
  • Fig. 31 is the cutting blade of the slice cutter (A) (4a.) Shown in Fig. 21. It is a figure which shows the cutting blade structural division of the fixed blade (3) corresponding to the structural division of (3).
  • No. 32 is a cutting mechanism that can perform fine cutting that combines vertical cutting and horizontal cutting by the cutting process of one element of the cutting blade due to the engagement of the cutting edge between the roll cutter (4) and the fixed blade (3). It is a diagram showing the mechanism.
  • Fig. 33 shows various types of equipment related to the system control of a shredder, based on a cutting mechanism capable of fine cutting using a single mouth cutter (4) and a fixed blade (3) and its control method. This is a diagram in which elements are integrated on the printed wiring board. Explanation of reference numerals
  • Electromagnetic clutch (4-axis side)
  • Electromagnetic clutch (1 axis side) 26 Clutch axis (1 axis side)
  • Double clutch W Roll cutter side gear rotation drive system H dr r Guide roller side gear rotation drive system
  • N 5 B, B 2 parts are cut with the same type of slice cutter mounting angle
  • N 6 Position (6) is the position of (A) in Position (1).
  • Fig. 1 shows that the paper to be cut is fed by a pair of guide rollers (1) and (2) to the cutting blade where the fixed blade (3) and one mouth-to-cut cutter (4) are joined.
  • Fig. 1 shows that the paper to be cut is fed by a pair of guide rollers (1) and (2) to the cutting blade where the fixed blade (3) and one mouth-to-cut cutter (4) are joined.
  • it is a diagram showing a cross section where a cut sheet is finely cut in a cutting section of a shredder based on a cutting mechanism capable of fine cutting in which vertical cutting and horizontal cutting are alternately performed. .
  • Fig. 2 shows the mechanical rotation drive system of the entire system.
  • the rotary drive train consists of two drive trains, both of which are driven by one motor (5). Fine cutting is achieved by the synchronous operation of these two elements.
  • the two elements are one of a pair of guide rollers (1) and (2) for feeding the cut sheet to the mating portion of the cutting blade, and the other one is for driving the fed cut sheet.
  • the clutch shaft (guide roller side drive system) that incorporates double clutches, sochi U, W and electromagnetic clutches (13), (25) with mechanical mechanisms for reverse rotation drive control in each drive system Is equipped with a clutch shaft (12), and a clutch shaft (26)) in the drive system on the roll cutter side.
  • the guide roller (2) in the guide roller side drive system is free of axis in the linear direction connecting the centers G1 and G2 of the two guide roller shafts, and Depending on the thickness, a pair of paper feed guide rollers (1)
  • the structure is such that the gap between and (2) changes.
  • the third HI shows the rotary drive system on the guide opening roller side and the roll cutter side.
  • the rotation driving force on the guide roller is transmitted in the order of M—3—4—5—G1—G2.
  • the clutch shaft (12) has a clutch function consisting of a mechanical mechanism double clutch U and an electromagnetic clutch (13), and performs reverse rotation on-off operation.
  • the rotational driving force on the roll cutter side is transmitted in the order of M—1—2—C.
  • the clutch shaft (26) has a clutch function consisting of a double clutch W and an electromagnetic clutch (25) of a mechanical mechanism, and performs reverse rotation drive on / off operation.
  • Double clutch U and W have a saw blade-shaped clutch function.
  • the details of the double clutch U and W and the clutch mating teeth (A) and (B) are shown in Fig. 7, 8, 9 and 10.
  • the roll cutter (4) is rotated reversely by a certain rotation angle. It is necessary. During the reverse rotation of the roll cutter (4), the cut paper sandwiched between the fixed blade (3) and the roll cutter (4) cannot be rotated by the guide rollers (1) and (2). It is necessary to stop the rotation of guide rollers) and (2) so that they will not be pulled out.
  • the clutch shaft (12) In order to satisfy these two functions, the clutch shaft (12) must be activated simultaneously with the reverse rotation by the overcurrent detection device for the overload of the motor (5), or before the required minimum time. Turn on the electromagnetic clutch (13) of the motor and set the clutch shaft (12) to the fixed state.
  • the reverse rotation driving force from the motor (5) is transmitted to the gear (M 2) —the gear (3A 3B) —the gear (4A) in the guide roller side gear drive system.
  • the spline shaft (35) is to be rotated in the reverse direction, but the clutch shaft (12) is firmly running, so that the clutch (B) does not resist the frictional force caused by the tension of the coil panel (36).
  • the spline shaft (35) moves in the OFF direction, so that only the gears (4A) (10) rotate, and no torque is transmitted to the gears (4B) (11).
  • the reverse rotation of guide rollers (1) and (2) is not possible (see Figs. 7, 9, 10).
  • the amount of reverse rotation angular displacement required to release the cut paper applied to the roll cutter (4) and released from the roll cutter (4) is determined by the rotation angular displacement detector (21) built into the drive-side shaft end of the roll cutter (4). Then, the electromagnetic clutch (25) of the clutch shaft (26) of the cutter-side gear drive system is set to , N, and the clutch shaft (26) is fixed. At the same time or after a minimum time, the electromagnetic clutch (13) of the clutch shaft (12) of the guide-port-side gear drive system is set to ⁇ FF, and the clutch shaft (12) is changed. The shaft will be free.
  • the reverse rotation driving force from the motor (5) is transmitted from the gear (M1) (6) to the gear (1A) (23) in the roll-cutter-side gear drive system, and is transmitted to the respline shaft (35).
  • the clutch shaft (26) is fixed in the reverse direction, but the clutch ( ⁇ ⁇ ) engages with the clutch tooth (B) against the frictional force caused by the tension of the coil panel (36).
  • causes a slip phenomenon Since the plumbing shaft (35) moves in the OFF direction, only the gears (1A) and (23) rotate, and no rotational force is transmitted to the gears (1B) and (24). Reverse rotation is no longer possible (see Figures 8, 9, 10).
  • the reverse rotation driving force is transmitted to the gear (M 2) one gear (3 A) / (3B) one gear (4 A), and the spline shaft (35 ) To reverse rotation. Since the reverse rotation driving force of the spline shaft (35) is in a state where the clutch shaft (12) is in an axial free state, the tension of the coil spring (36) causes the engagement of the clutch meshing teeth (B). The frictional force is transmitted to the driven gear (4 B) (11), and the gear (4 A) / (4 B) single gear (5) —gear (G 1 A ) / (G 1 B) The gears (G 2) are transmitted in this order, and the guide rollers (1) and (2) are rotated in the reverse direction (see Figs. 7, 9, and 10).
  • the cut sheet released from being pinched between the fixed blade (3) and the lip cutter (4) is rotated by the reverse rotation of the guide rollers (1) and (2).
  • the sheet is returned to the insertion position of the cut sheet.
  • the clutch shaft (26) of the gear retirement drive system on the ⁇ ⁇ cutter side is fixed by the electromagnetic clutch (25). Therefore, the reverse rotation driving force is not transmitted from the wheel (1A) (23) to the gears (1B) (24), and the roll cutter (4) is stopped and held in standby. .
  • the above-described action to cope with the cutting load over the sheet to be cut that is, the roll cutter (4) holds the rotation stop standby state, and the pair of guide rollers (1), (2) ) Rotates in the reverse direction, and after a series of corresponding actions to return the cut paper with the cutting load over to the cut paper of the shredder ⁇ inlet position, the motor (5) is stopped and both drive systems are stopped.
  • the clutch shafts (12) and (26) of the electromagnetic clutches (13) and (25) are both OFF.
  • the control system stops the entire shredder system and waits until the next start.
  • the pair of guide rollers (1) and (2) has a shaft-side free side guide roller (2) connecting the center of the two guide roller shafts G 1 and G 2 in order to adapt to the thickness of the cut paper. It is a guide roller with a free-adjustable staple-type bearing mechanism that can move on a straight line.
  • Schlezda One of the characteristics of Schlezda is that it supports the function of micro-cutting with such a structural style.
  • Fig. 4 shows the rotation drive mechanism of the shaft-free guide roller (2) in the pair of guide rollers (1) and (2). Since the thickness of the cut paper is not always constant, do not use a free-adjustable staple type bearing structure in which the center distance between the pair of guide rollers (1) and (2) can be changed according to the thickness of the cut paper. If you do so, you will not be able to feed the cut paper firmly.
  • the most preferable method is a method using a rotating drive force that acts at right angles on the movement trajectory of the contact point between the pole (29) and the guide ring (28) with less unevenness, that is, the “ball rolling contact drive method”. It is.
  • This device has a structure that transmits rotation by contacting 4 to 6 balls.
  • the rotation drive ball (29) is supported by a ball base (27) embedded in the end surface of the shaft-free guide roller (2), and the guide ring (31d) embedded in the eight housing (31d) on the bearing side.
  • the structure incorporates a mechanism that contacts the inner surface of (28) and moves the inner surface of the S-ring while rolling to transmit the rotational driving force.
  • Fig. 5 shows that the pair of guide rollers (1) and (2) have It is a figure showing the state where it was incorporated as an element.
  • the outer periphery of the guide roller is characterized by line contact, and the guide rollers (1) and (2) are each lined with a rubber layer of several mm thick, so that the paper to be cut and the guide rollers (1) and (2) are separated. We do not slip.
  • the axial thrust of the guide roller (2) has a ball thrust receiver structure with the lowest coefficient of friction.
  • the roller shaft retainer (18) and the 'stopper retainer (19)' and '(34)) are incorporated in the bearing portion of the guide roller (2), and are described in the above “Disclosure of the Invention”. The structure is such that the guide roller (2) can be easily attached and detached.
  • Fig. 6 is a diagram showing a state in which a mouthpiece (4) is incorporated as a component of the shredder.
  • This roll cutter (4) is composed of two types of slice cutters (A) (4a) and (B) (4b).
  • the helical angle ( ⁇ ) corresponding to the setting value of the cutting blade is used.
  • the angular phase difference, (4 a) ⁇ I provided on both of the cutlet data column of (4 b), between and the (a) heat (4 b) human, cutting blade division angle t.
  • the roll cutter is set up alternately with an angle phase difference of 1/2, and fulfills the cutting function that can alternate between vertical and horizontal cutting of the cut paper.
  • the rotation angle displacement detection device (2 1) is directly connected to the drive-side shaft end of the 1-liter cutter (4). We have installed.
  • the roll cutter (4) can be attached and detached by removing the bearing nut (4f) on the non-drive side and pulling out the bearing together to the drive side, and the cutter shaft (4c).
  • the S-flange (B) (4e) By removing the S-flange (B) (4e), the slicing force, the sorter (A) (4a) and the slicing force, and the jitter (B) (4b) are independent of the drive-side bearing. ) Remove the power from the power axis (4c). Is possible.
  • Fig. 11 shows the rotation mechanism of the guide roller (1) and the guide roller (2) with a free adjuster staple type ⁇ bearing structure.
  • the rotational driving force is transmitted to the gear (15) / (6) —gear (G2) (17).
  • the rotation driving force to the shaft fixed side guide roller (1) is drawn by pulling the guide roller (1) toward the shaft (G1A) (30) with the set bolt (30c).
  • the ⁇ rotation driving force is transmitted from the gear (G1A) (15).
  • the rotation driving force to the shaft free guide roller (2) is the gear (G2).
  • the transmission from the gear (G2) (17) is through the ball (29).
  • the ball (29) is supported by a pole pace (27) embedded in the side of the guide roller on the shaft free side, and the guide ring (28) embedded in the housing (31d) of the bearing (31) on the fixed shaft side.
  • the structure that transmits the rotational driving force while contacting the inner surface of (). 4 to 6 balls should be provided so that phase unevenness of the rotational angular displacement between the driving side and the driven side does not occur.
  • the guide roller (2) is incorporated into the sleep (31a) of the drive-side bearing (G2A) (31) and the sleep (33a) of the driven-side bearing (G2B) (33).
  • roller shaft holder (18) consisting of the spring housing (18d), storage socket (18b), coil panel (18c), storage pipe (18a), etc. , So that it can be pressed against the guide roller (1) side.
  • the paper to be cut inserted into the shredder does not slip or slip between the two guide rollers (1) and (2), and the fixed blade (3) and the cut-off roller do not slip.
  • the paper can be fed reliably to the area where it intersects with the printer (4).
  • the drive bearing (G) is used to prevent the roller retainer (18) strike and the soap piece (18a) from being exposed more than necessary.
  • 2A) (3) and the stop bearings (G2A) (19) and (G2B) (3) are attached to the driven bearings (G2B) (33), respectively. a) and (33).
  • the stop on the drive side and the follower side (G 2 A) (9) and (G 2 B) (3) can be controlled by loosening the control bolts (31c) and (33c). With the tension of the coil panel (31b) and (33b), it is brought into close contact with the shaft end of the guide roller (2) and in the t state, is pushed out to the roller shaft holding (18) side, and the stoppipe ( 1 8 a).
  • Fig. 11 shows the details of the pair of guide rollers (1) and (2) on the non-drive side bearings (G1B) (32) and (G2B) (33).
  • the bearing structure is similar to that of the drive side, that is, the roller shaft holder (18) and the storage unit (G2B) (34) are incorporated in the bearing (G2B) (33). , Supports the free-adjustable bearing function of the guide roller (2).
  • Fig. 12 shows the bearings (G1A) (30), (G2A) (31) on the drive side and the bearings on the opposite side when the guide rollers (1) and (2) 'are removed.
  • Fig. 13 is a diagram showing a clutch mechanism that switches between reverse rotation and stop, which requires a lower required torque value than normal rotation, in a general multiple rotation drive system mechanism. .
  • the clutch mechanism consists of the double clutch U (W) and the clutch shaft (5) shown in Figs. 7 and 8 (9, 10), which consist of five clutch engagement teeth (A) and (B). 1 2), (26) Electromagnetic clutch (13), (25).
  • the concept of the coupling mechanism of the electromagnetic clutch is to fulfill its function by joining and disengaging concave and convex articles (including holes) and convex shapes.
  • radial teeth and spiral teeth shaped in the radial direction as shown in Figs. 14 and 15 can be considered.
  • the electromagnetic clutch shown in Fig. 13 has two clutch teeth consisting of such mating teeth, namely, the moving clutch teeth (A) (13f) and the ⁇ 'fixed clutch teeth ( ⁇ ) (13 g).
  • the moving-side clutch teeth (A) (13f) are driven by the magnetic force that energizes the exciting coil (13a), and the spline shaft (13c) is pulled against the tension of the coil panel (13i).
  • the armature (13d) guided by the needle is sucked into the field core (13b) side, and the clutch teeth (A) (13f) and (B) (13g) are matched. As a result, the clutch shaft is fixed, and the rotational driving force cannot be transmitted.
  • the moving side latch (A) ( ⁇ 3f) does not generate magnetic force unless the excitation coil (13a) is energized, the armature (13) is tensioned by the coil panel (13i). d) is pressed S until it comes into contact with the Stono ⁇ '(1 3 e), and the clutch teeth (A) (13 f) are in contact with the clutch teeth (B) (13 g). The clutch axis will be released and the clutch axis will be free, and the rotational driving force will be transmitted.
  • the mating teeth of the clutch teeth (A) (13f) and (B) (13g) are both made of non-ferrous material (rubber, resin or aluminum alloy, etc.) that is hard and has high wear resistance. They are molded on an amateur (13d) and a clutch pace (13h), respectively, by baking or embedding.
  • the t-clutch mechanism is connected to a pair of guide rollers (1) and (2) and a mouthpiece as shown in FIG. 3.
  • the clutch shaft (26) is used during the tillage of the clutch teeth (A) (1).
  • the engagement between 3f) and (B) (13g) is required.
  • the impact due to the rotational force including the inertia torque that acts instantaneously at the time of the engagement of the clutch teeth is equal to the clutch.
  • the stress applied to each tooth of the meshing part (C) is extremely small because it is buffered by the coil panel (36) of W, which is one of the features of this clutch shaft configuration. Natsu.
  • Fig. 16 is a diagram showing the detection head section of the rotational angular displacement detecting device for reading the amount of reverse rotational angular displacement given to the roll cutter (4).
  • the disk (21a) and the sensor head (21) are shown. b) and 'sensor (21c).
  • the disc (21a) is provided with fine holes or graduation lines at equal angular intervals at a certain angle, and is incorporated into the roll cutter shaft (4c) and roll cutter (4) at the same time. I will rotate.
  • the sensor (21c) reads the amount of rotational displacement based on the fine hole or graduation line that is moved by the rotation of the disk (21a), and sends a pulse signal corresponding to the amount of displacement.
  • a method to detect the angular displacement of the roll cutter (4) is adopted.
  • the detection performance required to control the rotation function in order to respond to the shredder's cutting load-over measures is ⁇ 1 in angle units. Since the detection accuracy of is sufficient, the degree of analysis including the known encoders etc. is high! ] It is not necessary to use an angular displacement detector.
  • Fig. 17 is characterized in that the paper to be cut is plastically deformed by making the roller contact surface based on the content of fc as described in the above "Disclosure of the Invention" and making the surface in contact with the roller.
  • Assembling state of a pair of guide rollers (1) and (2) is an example that shows
  • the rubber layer is lined to form fc
  • the roll surface is used as the tape surface, and the contact surface between the pair of guide rollers (1) and (2) is used as the wave mating surface.
  • a self-feeding function for the remaining part of the pre-cut paper by the subsequent cut paper is added, which enhances the paper feed function of the guide rollers (1) and (2).
  • Fig. 19 shows a roll cutter (4)
  • the slicing force that constitutes the figure shows the external shape of the cutting blades of (a) (4a).
  • this shape is a composite shape that can sufficiently perform fc and one-cut functions based on the fine cutting mechanism shown in FIG. 32. This is one example.
  • the cutting blade is formed by continuously forming one R-section cutting blade and two straight-section cutting blades, and the cutting edge is a cut angle (a °) as a scissor effect. Angle, ⁇ °).
  • the outer circumference of the R cutting blade ⁇ is maintained at the outer dimensions of the cutter, so that the cutting blade does not change its shape due to refinish grinding. If necessary, a relief pocket for ⁇ grinding is applied to the inside of the cutting blade surface for grinding to facilitate grinding (see Fig. 20). It is a figure which shows the cutting blade classification of the slice cutter (A) (4a) which satisfies the mechanism ⁇ of the cutting mechanism which can perform the fine cutting that combines the cutting and the cutting.
  • Figure 22 shows the positional relationship between the cutter and the grinding wheel when the R part of the slice cutter (A) (a) is ground.
  • the cutter is 180 at the center of the R cutting edge. While maintaining the relative positional relationship between the rotation of the cutter and the vertical movement of the cutter (smooth angle ⁇ of the cutting blade, a considerable movement), S is shifted steplessly to the R part (see FIG. 21). Mouth) It is possible to perform grinding by adding a cutting edge angle ( ⁇ °) to the cutting surface of one (c) cutting section (see Fig. 23).
  • Fig. 24 shows the force when grinding the straight cutting blade of the slice cutter (A) (4a) and the positional relationship between the sorter and the grindstone.
  • the cutter is set at a position perpendicular to the grinding wheel axis.
  • the grindstone head is moved along a grindstone base having an angle of inclination ( ⁇ ') equal to the angle of the cutting edge ( ⁇ °) of the cutting blade.
  • the cutting edge ( ⁇ ) (4 ⁇ ) is 90.
  • T To grind the right-side straight cutting edge (a) — (mouth) in Fig. 21, 90.
  • the left and right movement of the grindstone head is the inclination angle ⁇ shown in Fig. 24. Is done along the whetstone base.
  • Fig. 25 is a graph showing the cutting edge angle ( ⁇ °) added to the cutting edge of the slice cutters (A) and (a) ground by the above-mentioned method, that is, the scissors effect ( ⁇ °) of the cutting edge. It is.
  • Fig. 26 shows the slice cutter ( ⁇ ) constituting the roll cutter (4).
  • FIG. 32 It is a figure which shows the external shape of the cutting blade of (4b). Note that this shape As described in detail in the section of “Disclosure of the Invention”, as shown in fc, this is an example of a single-shaped blade that can sufficiently fulfill the one-cut function based on the mechanism of the cutting mechanism capable of fine cutting shown in Fig. 32.
  • the cutting blade is a single linear cutting blade, and similarly as the slice cutter (A) (4a), as the scissors effect, the cutting blade has an angle (a °) and a cutting angle, ⁇ . ). Furthermore, since the trajectory of the straight cutting blade on the circumference is the outer shape of the cutting blade, there is no change in the blade shape due to the refinish grinding of the cutting blade. .
  • Fig. 27 shows the positional relationship between the cutter and the grinding wheel when grinding the straight cutting blade of the slice cutter (B) (4b). Since the cutting blades of the slicing cutters (B) and (4b) are single-shaped blades consisting of straight blades, grinding of the cutting blade portion is performed by turning the cutter like the slice cutters (A) and (4a). Is unnecessary, and the grindstone head has an angle of inclination ( ⁇ °) equal to the angle of the cutting edge ( ⁇ ) of the straight cutting blade with respect to the fixed position of the cutter shown in Fig. 28. At the relative position between the slicing force and the (() (4b) and the grinding head, it is necessary to move along the grinding wheel head base. The relative movement of the right shift and the stepless vertical shift of the cutter enables the rough cutting and finishing grinding of the cutting blade to be performed (see Figs. 28 and 29).
  • Fig. 30 shows an example of the cutting edge of the fixed blade (3). As described in detail in the section of “Disclosure of the Invention” above, this shape is a single-shape or multi-shape that can fully perform the one-cut function based on the fine cutting mechanism shown in FIG. 32.
  • the same shape as the geometric projection of the cutting blade of the roll cutter (4) which is composed of the two slice cutters (A) (4a) and (B) (4b)
  • This figure shows the cutting shape of the cutting blade consisting of S, and a female cutter consisting of an R part and a straight part.
  • Fig. 31 shows the fixed blade (3) corresponding to each blade point of the slice cutters (A) and (4a) shown in Fig. 21, that is, the cutting blade point of the female blade, and is a fc diagram. .
  • a female cutter, ie, fixed blade (3), and a male cutter, ie, ⁇ -Luka, sorter (4), formed with a cutting edge slur angle ( ⁇ ) of the cutting blade, are used. By combining them, fine cutting by the so-called one-cut function that alternates between vertical cutting and horizontal cutting is possible.
  • This fine-cutting mechanism (Fig. 32) is the most important feature of a “short roll cutting system” -based shredder.
  • Fig. 32 shows a pair of guide rollers (1) and (2) that are driven by a roll cutter () driven by a motor (5) of the same rotational drive source as the pair of guide rollers (1) and (2).
  • This is a diagram showing the basic elements of the cutting process.
  • This cutting blade shape is based on an example of a single and a composite shape of ⁇ -lucutter (4), and is shown in the same cutting blade shape as the geometric projection of the cutting blade. .
  • the shredder which is located at the same position in position (2), employs a cutting mechanism in which vertical cutting and horizontal cutting are performed alternately by the above-described cutting process. The system is designed so that the cut paper can be finely cut in one cut by the combination of the cutting blade (4) and the fixed blade (3).
  • Fig. 33 shows a cutting mechanism that can perform both vertical cutting and horizontal cutting by means of the one-cut function by the only cutting edge between the roll cutter (4) and the fixed blade (3).
  • measures such as measures to reduce the cutting load of the cut paper to reduce the size of the equipment and the overall equipment and to reduce the cost of assembly work are included. This is a collection of all the elements related to operation control, etc., in a printed wiring board (3).
  • the fine cutting mechanism of Shre, J and Da according to the present invention and the various elements supporting the function of the module are those that can meet the wide range of shredder needs. That is, a high-grade shredder that requires an automatic feeding and discharging device for cut sheets, and an OA machine-based shredder that performs fine cutting of limited documents in daily office work such as slips and other forms. It can be used up to.
  • the basic problem requirement of the present invention is that a single roll cutter fixed blade enables fine cuts that can prevent confidential leakage in the disposal of important documents and the like, and a pen cutter cutting mechanism and a roll cutter. It consists of multiple slicing cutter cutting blades.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

L'invention concerne un destructeur de documents capable de garantir une confidentialité absolue dans la destruction de documents importants par un simple engagement des lames de coupe d'un organe de coupe circulaire (4) et d'une lame fixe (3). Selon cette invention, un mécanisme de coupe capable de découper des documents papier en petites pièces se présente sous la forme d'une pluralité d'organes de coupe en tranches capables d'effectuer alternativement une coupe verticale et une coupe horizontale, tout en remplissant les exigences d'un processus de coupe pour un organe d'engagement des lames de coupe. Lors de la coupe, la lame de coupe de l'organe de coupe circulaire (4) s'engage avec la lame de coupe de la lame fixe (3), qui présente la même forme projetée géométriquement que la lame de coupe de l'organe de coupe circulaire (4) réglé à une différence de phase angulaire spécifiée. Cette invention concerne également un mécanisme pour alimenter les documents à découper vers un organe d'engagement des lames de coupe selon des règles spécifiées ainsi que d'autres dispositifs conçus pour commander ces mécanismes.
PCT/JP2001/008430 2000-09-28 2001-09-27 Destructeur de documents WO2002026388A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001292267A AU2001292267A1 (en) 2000-09-28 2001-09-27 Shredder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000-335193 2000-09-28
JP2000335193 2000-09-28

Publications (1)

Publication Number Publication Date
WO2002026388A1 true WO2002026388A1 (fr) 2002-04-04

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PCT/JP2001/008430 WO2002026388A1 (fr) 2000-09-28 2001-09-27 Destructeur de documents

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AU (1) AU2001292267A1 (fr)
WO (1) WO2002026388A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106975555A (zh) * 2017-04-26 2017-07-25 柳州市乾阳机电设备有限公司 粉碎机刀具
CN107081199A (zh) * 2017-06-20 2017-08-22 芜湖夏鑫新型材料科技有限公司 保护膜废边粉碎处理装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58146454A (ja) * 1982-02-25 1983-09-01 ワンダ−精器株式会社 文書細断機
JPS58167346A (ja) * 1982-03-25 1983-10-03 Casio Comput Co Ltd 紙送り装置
JPS6025552A (ja) * 1983-07-21 1985-02-08 松下電器産業株式会社 文書細断機
JPS6358647U (fr) * 1986-10-02 1988-04-19
JPS6485147A (en) * 1987-09-25 1989-03-30 Sharp Kk Paper shredder
JPH0436130U (fr) * 1990-07-25 1992-03-26
JPH08177884A (ja) * 1994-12-27 1996-07-12 Sekonitsuku:Kk 電磁クラッチの連結構造
DE19626504A1 (de) * 1996-04-04 1997-11-20 Gemeinnuetzige Werkstaetten Gm Schneidvorrichtung für Aktenvernichter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58146454A (ja) * 1982-02-25 1983-09-01 ワンダ−精器株式会社 文書細断機
JPS58167346A (ja) * 1982-03-25 1983-10-03 Casio Comput Co Ltd 紙送り装置
JPS6025552A (ja) * 1983-07-21 1985-02-08 松下電器産業株式会社 文書細断機
JPS6358647U (fr) * 1986-10-02 1988-04-19
JPS6485147A (en) * 1987-09-25 1989-03-30 Sharp Kk Paper shredder
JPH0436130U (fr) * 1990-07-25 1992-03-26
JPH08177884A (ja) * 1994-12-27 1996-07-12 Sekonitsuku:Kk 電磁クラッチの連結構造
DE19626504A1 (de) * 1996-04-04 1997-11-20 Gemeinnuetzige Werkstaetten Gm Schneidvorrichtung für Aktenvernichter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106975555A (zh) * 2017-04-26 2017-07-25 柳州市乾阳机电设备有限公司 粉碎机刀具
CN107081199A (zh) * 2017-06-20 2017-08-22 芜湖夏鑫新型材料科技有限公司 保护膜废边粉碎处理装置

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