JP2019126873A - Cutting machine, discharge support device, and cutting method by the same cutting machine and discharge support device - Google Patents

Abstract

To provide a cutting machine capable of preventing scattering of metallic pieces discharged after cutting and falling on a conveyance conveyor, reducing readjustment work frequencies, improving a facility operation rate of a cutting process, and improving operation safety.SOLUTION: A cutting machine includes: a lower blade which is fixed to an end of a mounting surface on which an object to be cut is horizontally mounted; an upper blade which can perform vertical operation by being engaged with the lower blade; a chute section (50) which has a downward inclined surface (59) on a rear side of the mounting surface; and a discharge support device (60) which supports a discharge function so that both end faces crossing a longitudinal direction of the cut object (1) discharged from the chute section have directions parallel to a discharged direction (X) and a bottom surface of the cut object is kept parallel to the inclined surface. The discharge support device (60) is further provided with a cushioning arm (70) which is engaged with a vicinity of each of both ends in the longitudinal direction of the cut object (1) so as to slowly lower the inclined surface (59). The cushioning arm (70) absorbs falling shock of the discharged cut object (1).SELECTED DRAWING: Figure 5

Description

  The present invention relates to a cutting machine, a discharge support device, and a cutting method using them, and more specifically, in a metal plate cutting machine called a shear facility, after cutting, the metal sheet is discharged through a chute portion and delivered to a conveying means. The present invention relates to a cutting machine capable of preventing scattering, a discharge assisting apparatus, and a cutting method using them.

  In the industry, cutting processing is generally performed using a shear facility (hereinafter, also referred to as “metal plate cutting machine” or “cutting machine”). For example, in the non-ferrous metal manufacturing industry, a metal plate obtained by electrolytic smelting is not shipped as a product as it is, but it may be added value by cutting it so that it can be easily used at the customer's site.

  According to Patent Document 1, in electrolytic refining of a metal such as nickel and cobalt, contact between the cathode plate and the anode plate caused by distortion of the cathode plate is prevented, and along with generation of pusher biting at the time of cutting and pusher biting. A cathode spacer for electrolytic purification that can suppress generation of defective products is disclosed.

  In this electric nickel cutting process, a product having a size and a shape according to the request is obtained by performing cutting processes extending to two steps of the first cutting process and the second cutting process by two sets of shearing equipment. There is. The equipment used for this cutting process is roughly divided into a shear equipment and a conveyor. In the first cutting step, the substantially square metal plate is divided into, for example, 10 pieces by a shear facility and cut into strips.

  Next, in the second cutting process of conveying the strip-like cut product (hereinafter, also referred to as "strip-like cut product" or simply "strip") by the transfer conveyor, a flat rectangular parallelepiped with a generally square planar view is obtained by the second cutting step. Get a cut piece of metal. The strip-shaped cut material cut in the first cutting step is discharged from a chute portion having an inclined surface such as a slide provided behind the shearing equipment, and is sent to the next step by the conveyor.

  At this time, usually, the strip-shaped cut pieces slide down at right angles to the traveling direction of the transport conveyor, and are arranged in a state where the intervals of the discharged strip-shaped cut pieces are clogged, and smoothly enter the second cutting step. Be served. However, the strip-like cut slips not at a right angle with respect to the traveling direction of the transport conveyor but slides down due to a shock at the time of cutting or a drop impact, and is superimposed on the strip-like cut discharged first , Also referred to as “alignment failure”. In that case, since the second cutting step can not be performed, a manual operation (hereinafter, also referred to as a “rework operation”) for correcting and arranging the overlap on the transport conveyor is required. During this reworking operation, the cutting process is temporarily stopped. Therefore, the occurrence of misalignment naturally leads to a reduction in operating rate. In addition, since each strip weighs about 8 kg, it takes a lot of heavy labor for the worker who organizes them, and the burden is large.

JP 2011-162824 A

  In the first cutting process, the following problems frequently occur in the posture of the strip-shaped cut matter that is discharged after cutting by the shear facility and falls on the transport conveyor for delivery. That is, the strips discharged after cutting and falling onto the transport conveyor should be aligned on the transport conveyor in a state where the interval between the strips is normally clogged.

  That is, normally, the longitudinal direction of the strips is aligned in the width direction of the transfer conveyor, and the center line in the width direction of the transport conveyor and the center line in the longitudinal direction of the strips are aligned. In a clogged state, the strips are arranged in a convenient manner for conveyance and placed on a conveyance conveyor (hereinafter also referred to as “organized strips”). Note that tidy means placing it in the correct position. However, sometimes the posture is tilted by the impact at the time of cutting or the impact of dropping, the order of cutting and discharging is the first one, the second one is overlapped, or other than that the strip is not placed in the correct position Strips (hereinafter also referred to as “scattering strips”) in which the longitudinal direction is scattered with a large inclination with respect to the width direction of the conveyor may occur. Since the scattered strips cause defective products due to poor supply of the strips in the second cutting step, equipment stoppage, and equipment failure, they are manually corrected on the conveyor.

  The present invention has been made in view of such problems. The object of the present invention is to reduce the frequency of reworking work by preventing scattering of metal pieces that are discharged after cutting and fall on the conveyor. An object of the present invention is to provide a cutting machine capable of improving the facility operation rate of the cutting process and securing the work safety.

  The present inventors have determined that the cause of occurrence of misalignment is an impact at the time of cutting or an impact at a drop, and completed the present invention by intensively studying a method for absorbing the impact. That is, in order to solve the above problems, the present inventors have provided a drop impact absorbing mechanism for the strip-shaped cut object in the chute portion of the shear facility, thereby suppressing the alignment defect of the strip-shaped cut object, Succeeded in improving the equipment utilization rate and making work safer.

[1] A cutting machine (100) according to one aspect of the present invention cuts a rectangular metal plate from a top (10) in the thickness direction (Z) to form a strip-like cut (1) A cutting machine (100) to obtain
A lower blade (30) fixed to an end of a mounting surface (20) on which the object (10) is horizontally mounted;
An upper blade (40) capable of moving up and down for meshing with the lower blade (30);
A chute portion (50) disposed on the rear side of the end face side of the placement surface (20) and having an inclined surface (59) in a downward direction;
Both end faces intersecting the longitudinal direction of the cut product (1) discharged from the chute portion (50) are parallel to the discharging direction (X) and the bottom surface of the cut product (1) A discharge support device (60) for supporting the discharge function so that is maintained parallel to the inclined surface (59);
With
In the discharge support device (60), the discharge support device (60) is engaged with the vicinity of both end portions (17, 18) in the longitudinal direction of the cut object (1) to lower the inclined surface (59) slowly. A buffer arm (70) pivotally supported on a horizontal axis (Y1) orthogonal to the discharged direction (X) when the chute portion (50) is viewed in a plan view It is a thing.

[2] Further, according to one aspect of the present invention, in the cutting machine (100) according to [1], the cut arm (70) discharged from the placement surface (20) is placed on the buffer arm (70). A shock absorbing mechanism (61) for absorbing a shock is received between the time when it is received by the inclined surface (59) and delivered to the conveying means (80).

[3] Further, one aspect of the present invention is configured such that, in the cutting machine (100) of [2], the buffer arm (70) is automatically returned to the upper standby position (91) after the lowering operation. It is

[4] Further, according to one aspect of the present invention, in the cutting machine (100) of [2] or [3], the shock absorbing mechanism (61) includes a torsion coil spring or a spiral spring.

[5] Further, according to one aspect of the present invention, in the cutting machine according to any one of [1] to [4], the buffer arm (70) has an L shape when viewed in the direction of the axis (Y1). The L-shaped long side end portion (71) is pivotally supported, the L-shaped corner portion (73) is substantially perpendicular, and the L-shaped short side is an upward claw portion (72). Form
The claw portion (72) is configured to engage the cut object (1) above the inclined surface (59) and release the engagement below.

[6] Further, the discharge support device (60) according to one aspect of the present invention includes a lower blade (30) fixed to an end of a mounting surface (20) on which the object (10) is horizontally mounted. And a cutting blade (40) having an upper blade (40) capable of moving up and down for meshing with the lower blade (30) to cut the object (10) in the thickness direction (Z) from above 100), the discharge function of the cut object (1) is attached to the chute part (50) provided at the rear side of the end part side of the placement surface (20) and having the inclined surface (59) in the downward direction. It is the emission support device (60) to support,
An impact absorbing mechanism (61) for absorbing an impact is provided before the cut object (1) is received by the inclined surface (59) and delivered to the conveying means (80).

[7] Further, according to the cutting method of one aspect of the present invention, the workpiece (10) placed on the placement surface (20) with the lower blade (30) fixed at the end can be moved up and down. A cutting method using a cutting machine (100) for cutting by shearing in the thickness direction (Z) from above with an upper blade (40),
The discharge support device (60) provided in the cutting machine (100) cuts the cut object (1) by the buffer arm (70) of the impact absorbing mechanism (61), the longitudinal ends of the cut object (1) 17, 18) is engaged and received above the inclined surface (59), and the shock is absorbed while the inclined surface (59) is slowly lowered and delivered to the conveying means (80) below. It is

[8] In one aspect of the present invention, in the cutting method according to [7], the workpiece (10) sent to the planned cutting line (12) has a thickness direction from above with the upper blade (40) A cutting step (S10) of cutting by shearing to (Z) to obtain a cut;
The claws (72) of the rotating L-shaped buffer arm (70) engage the cutting material (1) in the vicinity of both ends (17, 18) of the cutting material (1) A cut receiving process (S20) for receiving above the inclined surface (59);
A discharge lowering step (S30) in which the discharge support device (60) slowly lowers the cut object (1) along the inclined surface (59);
A cut article delivery step (S40) for delivering the cut article (1) to the alignment section (81) of the conveying means (80) below the inclined surface (59);
The return step in which the buffer arm (70) disengaged from the cut object (1) is returned from below the inclined surface (59) to the upper limit standby position (91) by the biasing means (90). (S50),
It is what has.

  According to the present invention, it is possible to reduce the frequency of reworking work and to improve the facility operation rate of the cutting process and to make the work safer by preventing scattering of metal pieces discharged after cutting and falling onto the transfer conveyor. We can provide a cutting machine that can do it.

A cutting machine according to an embodiment of the present invention (hereinafter also referred to as “this machine”), a discharge support apparatus (hereinafter also referred to as “this support apparatus”), and a cutting method using them (hereinafter also referred to as “this method”). ) Is a schematic plan view for explaining the layout of the electric nickel cutting apparatus to which is applied. It is a schematic diagram for demonstrating that an electric nickel is cut | disconnected in two steps and it becomes a product in the cutting processing apparatus of FIG. FIG. 3 (A) is an advancing stage, FIG. 3 (B) is a cutting stage, and FIG. 3 (C) is a dropping stage. FIG. 3D shows the scattering stage. FIG. 4 (A) is a side view visually recognized from an axial direction pivotally supporting an L-shaped buffer arm, and FIG. 4 (B) is a direction in which a cut object is discharged. The front view visually recognized from each is shown. 5A and 5B are enlarged views of main parts of the support device and the buffer arm in FIG. 4, in which FIG. 5A shows a plan view, FIG. 5B shows a side view, and FIG. 5C shows a front view. It is a flowchart for demonstrating this method.

  DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. Note that the present embodiment described below does not unduly limit the contents of the present invention described in the claims, and all of the configurations described in the present embodiment are essential as means for solving the present invention. Not necessarily. In addition, throughout the drawings, members and places having the same effect are denoted by the same reference numerals even if there are some differences in the outer shape, thereby avoiding redundant description.

  FIG. 1 shows a cutting machine (hereinafter also referred to as “this machine”), a discharge support apparatus (hereinafter also referred to as “this support apparatus”), and a cutting method (hereinafter referred to as “this”) according to an embodiment of the present invention. Fig. 6 is a schematic plan view for explaining the layout of an electric nickel cutting apparatus to which the method is applied. As shown in FIG. 1, the inside of the factory is provided with three sets of cutting machines 100, 101, 102, three sets of transfer conveyors (transfer means) 80, 81, 82, and a control unit 99 for integrally controlling these. It is mainly composed.

  The three sets of cutters 100, 101, 102 have similar structures as metal plate cutters, but their roles are different. A cutting machine 101 is for cutting a hand, a cutting machine 100 is a primary cutting machine that cuts a large workpiece (hereinafter also referred to as “electric nickel plate”) 10 into strips 1, and a cutting machine 102 is a rectangular nickel plate 1. A secondary cutting machine that cuts into pieces 2. The control unit 99 includes an operation console, and the driver operates it.

  The three sets of conveyers 80, 81, 82 are operated in association with the three sets of cutting machines 100, 101, 102. Among them, the conveyors 81 and 82, for example, convey 3 to 5 piles of about 2000 kg at the same time, for example, by stacking about 26 pieces of the cut object 10 of about 80 kg. Moreover, the conveyance conveyor 80 conveys 10 or more cut articles 1 of about 8 kg at the same time. Hereinafter, the cutting machine 100 and the conveyance conveyor 80 will be described in detail later.

  FIG. 2 is a schematic view for explaining that electric nickel is cut in two steps to become a product in the cutting apparatus of FIG. As shown in FIG. 2, the large rectangular workpiece 10 with the cathode hanger 11 is divided into a plurality of strips 1, and the strips 1 are further cut into square nickel pieces 2. In FIG. 2, the arrow on the left is the primary cutting machine 100 that subdivides the cutting machine 101 for cutting the hand and the strip 1, and the arrow on the right subdivides the strip 1 into square nickel as a product. Secondary cutting machine 102.

  FIG. 3 is a process diagram for explaining the process of occurrence of alignment defects in the first cutting process of FIG. 2; FIG. 3 (A) is an advancing stage; FIG. 3 (B) is a cutting stage; ) Shows the falling stage, and FIG. 3D shows the scattering stage. Further, the primary cutting machine 200 shown in FIG. 3 is not provided with the discharge support device 60 of the present invention as a premise of the machine 100.

  Hereinafter, the operation of the primary cutting machines 100 and 200 will be briefly described. The primary cutting machines 100 and 200 cut a workpiece 10 made of a rectangular metal plate in the thickness direction Z from above to obtain a strip-shaped workpiece 1 and mount the workpiece 10 horizontally. A lower blade 30 fixed to an end portion of the mounting surface 20 to be placed and an upper blade 40 capable of moving up and down for meshing with the lower blade 30 are configured.

  As shown in FIG. 3 (A), the primary cutter 200 advances the workpiece 10 (having the same reference numeral as before cutting) from which the cathode hanger 11 has been cut in the X direction to position it on the planned cutting line 12. As shown in FIG. 3B, in the primary cutting machine 200, the upper blade 40 descends in the vertical direction Z and cuts the strip 1 from the workpiece 10. As shown in FIG. 3B to FIG. 3D, due to the impact when the strip 1 is cut or the impact of dropping, the strip 1 is not properly placed on the alignment portion 81 of the conveyor 80 and rolls and cuts one piece ahead. In some cases, it may overlap the strips already arranged.

  FIG. 4 is an external view of the support apparatus, and FIG. 4 (A) is a side view visually recognized from an axial direction pivotally supporting an L-shaped buffer arm, and FIG. 4 (B) is a cut object The front view visually recognized from the discharge direction is shown, respectively. As shown in FIG. 4A, the primary cutting machine 100 includes a discharge support device 60. As also shown in FIG. 4 (B), the discharge support device 60 supports the discharge function of the cut object 1, and is disposed behind the mounting surface 20 and has the inclined surface 59 in the downward direction. The chute part 50 which has and the buffer arm 70 are comprised.

  The chute portion 50 is required to properly hold and discharge the posture of the cut object 1 discharged therefrom. That is, it is desirable that both longitudinal end portions 17 and 18 of the cut object 1 be maintained in the direction Y perpendicular to and horizontal to the direction X to be discharged. Therefore, the discharge support device 60 further includes an L-shaped buffer arm 70. The buffer arm 70 is pivotally supported by an axis Y1.

  The buffer arm 70 has an impact absorbing mechanism 61 that engages in the vicinity of both ends 17 and 18 of the cut object 1 and slowly lowers the inclined surface 59. The shock absorbing mechanism 61 of the buffer arm 70 absorbs the shock between the time when the discharged cut object 1 is received above the inclined surface 59 and delivered to the transport conveyor 80 below.

  A brief description of only the main points of the discharge support device 60 described above is as follows. That is, the discharge support device 60 includes a lower blade 30 fixed to an end of the placement surface 20 on which the object 10 is placed, and an upper blade 40 capable of moving up and down for meshing with the lower blade 30. Are attached to the rear of the cutting machine 100 that cuts the workpiece 10 in the thickness direction Z together with the inclined surface 59 to support the discharge function of the cutting object 1.

  The discharge support device 60 is provided with a shock absorbing mechanism 61 that absorbs an impact while receiving the cut object 1 discharged above the inclined surface 59 and handing it over to the transport conveyor 80 below. The shock absorbing mechanism 61 includes an urging unit 90 that is disposed behind the placement surface 20 and is pushed back in the climb direction −αX with respect to the inclined surface 59.

  5 is an enlarged view of a main part of the present discharge assisting device and the buffer arm of FIG. 4, FIG. 5 (A) is a plan view, FIG. 5 (B) is a side view, and FIG. 5 (C) is a front view. Each is shown. As shown in FIG. 5A, an inclined surface 59 is disposed at the center of the chute portion 50, and an L-shaped buffer arm 70 is disposed on the side thereof. As shown in FIG. 5B, the discharged cut object 1 is configured to slide down on the inclined surface 59 in the + αX direction.

  The buffer arm 70 is L-shaped when viewed in the direction of the axis Y1, and the vicinity of the end portion 71 of the long side of the L-shape is pivotally supported by the axis Y1. The L-shaped short other end (claw portion) 72 is the outer peripheral side on which it rotates. The L-shaped corner 73 is substantially perpendicular. The other end 72 extending from the corner 73 is attached so as to form a claw 72 (same reference numeral) upward from the inclined surface 59. The claw portions 72 engage with the cut objects 1 discharged one by one above the inclined surface 59. When the cut object 1 slides down on the inclined surface 59 in the + αX direction while engaged, the engagement is released in front of the alignment portion 81 of the transfer conveyor 80 connected downward and the shock absorber is mounted while alleviating the impact. Is configured as.

  Further, the buffer arm 70 is pivotally supported by an axis Y1 parallel to the direction Y, and is provided with a biasing means 90 that pushes the inclined surface 59 back in the climbing direction −αX by the chute portion 50. Although not shown in detail, the biasing means 90 is constituted by a torsion coil spring or a spiral spring, and automatically returns to the upper standby position 91 after the lowering operation of the buffer arm 70.

  A torsion coil spring is a spring that is used to receive a twisting moment around a coil axis. The torsion coil spring has a large energy that can be stored with the same weight as compared with a coil spring that is more common as a coil. It can also be designed to be lightweight. Therefore, there is an advantage that the spring mechanism can be designed in a space-saving manner. The receiving bar (buffer arm) 70 is a part for receiving the strip 1 and has a stopper (L-shaped corner) 73 for temporarily holding the received strip 1.

  The strip disturbance occurs due to an impact force with the inclined surface 59 of the chute when the strip is dropped. As a countermeasure, an impact absorbing mechanism 61 capable of absorbing the falling impact of the strip 1 is attached to the primary cutting machine 200. The shock absorbing mechanism 61 is mainly composed of a spring mechanism portion (biasing means) 90 and a receiving bar (buffer arm) 70, and a main body (base portion) 62 is provided with a screw hole 63 that can be fixed with a bolt and nut. Have. The spring mechanism 90 has a cylindrical shape and incorporates a helical coil spring made of SW-C (hard steel wire). The torsion coil spring (biasing means) 90 is fixed to the axis Y 1 of the receiving bar (buffer arm) 70 and acts to cancel the vertical downward stress on the receiving bar (buffer arm) 70.

  As shown in FIG. 5C, mounting screw holes 63 are formed in the four corners of the base 62 of the support apparatus 60. Therefore, if the base 62 of the support device 60 is in close contact with the chute portion 50 of the primary cutting machine 200, which is the premise of the machine 100, and screwed using the mounting screw holes 63 at its four corners, the primary cutting. The machine 200 can be modified to the primary cutting machine 100. In addition, the support device 60 can be generalized independently.

  FIG. 6 is a flowchart for explaining this method. As shown in FIG. 6, the method includes a cutting step S10, a cut material receiving step S20, a slow descent step S30, a cut material delivery step S40, and a return step S50. First, the object 10 placed on the placement surface 20 is advanced successively to the planned cutting line 12. In the cutting step S10, the workpiece 10 sent to the planned cutting line 12 is pressed by the upper blade 40 from above in the thickness direction (Z) and cut.

  In the cut product receiving step S20, the claws 72 of the rotating L-shaped buffer arm 70 engage the cut pieces 1 discharged one by one in the vicinity of the both end portions 17 and 18 of the cut piece 1, respectively. Then, it is received flexibly above the inclined surface 59. In the slow descent step S30, the discharge support device 60 descents the cut object 1 slowly along the inclined surface 59.

  In the cut object delivery step S40, the cut object 1 is delivered to the alignment portion 81 of the transport conveyor 80 below the inclined surface 59 while absorbing the drop impact. In the return step S50, the buffer arm 70 that has been disengaged from the cut object 1 is rotated back by the urging means 90 from below the inclined surface 59 to the upper limit standby position 91. The biasing means 90 is not limited to a torsion coil spring or a spiral spring, and for example, a weight is attached so as to give a moment of force in a reverse direction smaller than the moment of force exerted by the strip 1 on the buffer arm 70. It is good.

  The impact absorbing mechanism 61 receives the falling strip-like metal piece (cut object) 1 and once holds it by the buffer arm 70, absorbs the impact by the force of the spring (biasing means) 90, and is the feed conveyor as the supply destination It functions so that the alignment part 81 on 80 is discharged in substantially the same direction. The impact absorbing mechanism 61 does not require an external power source, and the occurrence of construction costs such as cable installation costs can be suppressed, and can be installed easily. In addition, it can be easily attached to the chute portion 50 with bolts and nuts.

  Only the main points of the above-described method will be briefly described as follows. In this method, the cutting machine 100 is configured to press the object 10 placed on the placement surface 20 to which the lower blade 30 is fixed by pressing the upper blade 40 in the thickness direction Z from above with the upper blade 40 capable of moving up and down. It is the cutting method used. In the discharge support device 60 provided in the cutting machine 100, the discharged cutting material 1 is engaged with the buffer arm 70 of the shock absorbing mechanism 61 in the vicinity of each of the end portions 17 and 18 of the cutting material 1 To gently lower the inclined surface 59 and absorb the impact before it is delivered to the transport means 80.

  The configuration of the cutting equipment to which one embodiment of the present invention is applied is as described above with reference to FIGS. 1 and 2. This method is a cutting method for cutting the workpiece 10 using the cutting machine 100. A lower blade 30 is fixed to the end of the mounting surface 20. The upper blade 40 can move up and down. The workpiece 10 is placed on the placement surface 20. Among the objects to be cut 10, the object to be cut 10 is mainly pressed in the thickness direction Z from above by the upper blade 40 and cut in a grid shape.

  In the production process of electric nickel, nickel is electrodeposited on a base plate which has been sandblasted in advance so that the surface has a predetermined roughness, and the electrodeposited seed plate is peeled off and formed. Used as a cathode plate. In this forming, trimming is performed by cutting four sides of peeled sheet-like nickel, etc., and the cathode beam is sandwiched at two upper side portions of a hanger ribbon 11 for hanging from the cathode beam for conductivity and support. In this state, the sheet is fixed in a bag shape, and a cathode plate made of sheet-like nickel, a hanging ribbon 11 and a cross beam is finished. The cathode plate is suspended in the cell by bridging the cathode beam to the edge of the cell. The cathode plate is suspended in the electrolytic cell at a position where the hanging ribbon 11 is slightly immersed in the electrolytic solution, and the substantially square seed plate is immersed in the electrolytic solution.

  The suspension ribbon 11 is obtained by cutting the above-described seed plate into a strip having a predetermined size. The cathode plate is pulled out of the electrolytic cell as the electro nickel plate 10 when the thickness of the electrodeposition part becomes, for example, about 10 mm by proceeding with the electrodeposition, and is subjected to the next processing step. The electric nickel plate 10 is cut into blocks of about 25 mm, for example, by a cutting machine to become a product.

  The electric nickel plate 10 is set in a cutting machine with the hand ribbon 11 attached thereto, and the hand ribbon 11 is first cut, and then the electrodeposition portion is rectangular by the primary cutting machine 100 according to the first cutting process. Are cut into strips (hereinafter also referred to as “strips”) 1. The strips are arranged evenly on the conveyor so that the cut surfaces are spaced apart from each other so as to form one lump corresponding to one electric nickel plate before cutting, and in the second cutting step. The secondary cutting machine 102 is charged in the longitudinal direction and cut. That is, a block-shaped product is obtained by cutting with the cutting direction changed by 90 degrees.

  The strip-shaped cut object 1 dropped from the primary cutting machine 100 is aligned in the direction of the conveyor (right side in FIG. 1) and sent to the next step. However, all the strips 1 cannot be aligned on this conveyor. This is a probability that, if the strip is dispensed in a state of being greatly inclined with respect to the direction perpendicular to the traveling direction beyond the alignment capability by the transport conveyor, or the defects flowing on the transport conveyor 80 in a state in which the strips 1 overlap each other Because it occurs in This phenomenon is called misalignment or strip disorder. A representative example of the generation mechanism of misalignment or strip disorder is as described above with reference to FIG.

  Although the strip 1 after cutting starts to fall, at this time, as shown in FIG. 3B, the strip 1 falls in a state of being inclined with respect to the inclined surface (the inclined surface of the chute portion 50) 59 etc. 1 and the inclined surface 59 may collide with each other. The drop impact at this time generates the rotational force of the strip 1. As a result, the discharged strip 1 is overlapped with the strip 1 on the transfer conveyor 80 as shown in FIG. 3 (C). Most of the strip disturbance is caused by such a mechanism, and the collision between the end of the strip 1 and the inclined surface 59 is a cause of the overlap. If the strip disorder occurs, the operator pauses the process and manually corrects the position of the strip 1.

  The cutting amount per day of this cutting equipment is about 110 t at the maximum. At this time, about 13700 strips 1 pass through the chute 50 of the primary cutting machine 100. Conventionally, since the position of the strip 1 was corrected by the worker once every 104 strips that passed on average, the number of corrections of the strip position of the worker was about 132 times / day at maximum. . Further, since the time required for position correction is about 10 seconds per time, the process stoppage time due to strip disturbance is about 20 minutes per day. Since this process does not operate in parallel, this strip disturbance directly leads to a decrease in operating rate. In addition, while the equipment is in operation, workers must be constantly deployed to cope with the disturbance of the strip, resulting in an increase in work load. In order to prevent this, one embodiment of the present invention is applied in a cutting facility.

  For example, the electric nickel plate 10 has a length of 1000 mm, a width of 800 mm, and a thickness of 10 mm, and the hand ribbon 11 has a height from the upper side of the electric nickel to the top of 200 mm and a width of 100 mm. When the machine 100 is used in an operation of cutting the electric nickel plate 10 into strips (800 sheets for 8 hours), the scattering of the strips 1 discharged after cutting and falling onto the transport conveyor 80 is prevented. It was possible.

  INDUSTRIAL APPLICABILITY The present invention may be employed as a cutting machine, a cutting support mechanism, and a cutting method using them, which cut an electric nickel plate manufactured by an electrowinning method into a strip shape. By adopting the present invention, a device for stably discharging strip-like cut products from the chute portion of the shear equipment toward the conveyer, reducing the frequency of manual reworking of the strip manually, and improving the productivity. Therefore, its industrial value is extremely large.

  Although the embodiments of the present invention have been described in detail as described above, it is easily understood by those skilled in the art that many modifications can be made without substantially departing from the novel matters and effects of the present invention. It will be possible. Therefore, all such modifications are included in the scope of the present invention.

  For example, a term described with a different term having a broader meaning or the same meaning at least once in the specification or the drawings can be replaced with the different term in any part of the specification or the drawings. In addition, the configuration, operation, and cutting method of the cutting machine, the discharge support device, the drop impact absorbing mechanism, and the buffer arm are not limited to those described in the embodiments of the present invention, and various modifications can be made.

DESCRIPTION OF SYMBOLS 1 cut object (strip) 2 cut object (product), 10 electric nickel plate, to-be-cut object, 11 hanging ribbon, 12 cut lines, 17, 18 (in the longitudinal direction of the cut object 1) both ends, 20 mounts Mounting surface, 30 lower blade, 40 upper blade, 50 chute portion, 59 inclined surface, 60 discharge support device, 61 shock absorption mechanism, 70 buffer arm, 71 L-shaped long end, 72 (short end) claw Parts, 73 (corners of L-shaped buffer arm 70), 80, 81, 82 conveyers, 90 biasing means (spring mechanisms, torsion coil springs or spring springs), 81 (conveyors 80) alignment parts, 91 (upper limit after lowering operation of buffer arm 70) standby position 99 control unit 100 cutting machine (this machine, primary cutting machine) 101 (for previous process of this machine) cutting machine 102 (this machine Secondary cutting machine for subsequent processes) Cutting machine, S10 cutting S20 cut object receiving process, S30 slow descent process, S40 cut object delivery process, S50 return process, X (moves the object to be cut (cathode) 10, 11) or (the cut object 1 is discharged), Y (direction perpendicular to X and horizontal direction) or (extending direction of lower blade ridge 31 and upper blade ridge 41, Y1 axis (buffer arm 70 is pivotally supported), YZ meshing surface, + αX (shoot portion 50 (down the inclined surface 59), -αX (up the inclined surface 59 in the discharge path 50) direction, Z (thickness direction (Z) of the workpieces (10, 11)), θ (on the mounting surface 20) Tilt angle (down direction)

Claims (8)

A cutting machine for cutting a rectangular metal plate from above in the thickness direction to obtain a strip-like cut,
A lower blade fixed to an end of a mounting surface on which the workpiece is horizontally mounted;
An upper blade capable of moving up and down for meshing with the lower blade;
A chute portion which is disposed rearward of the end side of the mounting surface and has an inclined surface in the downward direction;
Both end faces intersecting the longitudinal direction of the cut material discharged from the chute are parallel to the discharging direction, and the bottom surface of the cut material is maintained parallel to the inclined surface Emission support device to support the emission function,
With
The discharge assisting device is for engaging with the vicinity of both ends in the longitudinal direction of the cut object to slowly lower the inclined surface, and when the chute is viewed in plan, the discharge Further comprising a buffer arm supported by a horizontal axis perpendicular to the direction
Cutting machine.   The cutting according to claim 1, further comprising: a shock absorbing mechanism for absorbing an impact between the shock absorbing arm and the transfer means while receiving the cut material discharged from the mounting surface by the inclined surface and delivering it to the conveying means. Machine.   The cutting machine according to claim 2, wherein the buffer arm automatically returns to the upper limit standby position after the lowering operation.   The cutting machine according to claim 2 or 3, wherein the shock absorbing mechanism comprises a torsion coil spring or a spiral spring. The shock-absorbing arm has an L-shaped shape as viewed in the axial direction, the end of the long side of the L-shape is pivotally supported, the corner of the L-shape is substantially perpendicular, and the L-shaped The short side of the forms an upward claw,
The cutting machine according to any one of claims 1 to 4, wherein the claw portion is configured to engage the cut object above the inclined surface and release the engagement below. A lower blade fixed to the end of the mounting surface for horizontally placing the workpiece, and an upper blade capable of moving up and down to engage with the lower blade, the workpiece being moved upward Discharge support device for supporting the discharge function of the cut object attached to a chute having an inclined surface in the downward direction and disposed behind the end of the mounting surface described above. And
An impact absorbing mechanism is provided to absorb an impact before the cut material is received by the inclined surface and delivered to the conveying means.
Discharge support device. A cutting method using a cutting machine that cuts an object placed on a mounting surface to which a lower blade is fixed at an end by shearing in the thickness direction from above with an upper blade capable of moving up and down ,
The discharge assist device provided in the cutting machine engages the cut object with the shock absorbing mechanism of the shock absorbing mechanism in the vicinity of both ends in the longitudinal direction of the cut object, receives the cut above the inclined surface, and slows the inclined surface. A cutting method that absorbs impact during the downward movement and the delivery to the transport means below. A cutting step of cutting the object to be cut sent to the planned cutting line by shearing in the thickness direction from above with the upper blade to obtain a cut object; and
A cut receiving step in which claws of the rotating L-shaped buffer arm engage near the both ends of the cut and receive the cut above the inclined surface;
A slow descent step in which the discharge support device descents the cut slowly along the inclined surface;
A cut product delivery step of delivering the cut product to the alignment portion of the transport means below the inclined surface;
A return step in which the buffer arm, which has been disengaged from the cut object, is returned to the upper limit standby position from below the inclined surface by a biasing means;
The cutting method according to claim 7, comprising

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