JPH05320U - Cutting material weight measuring device - Google Patents

Abstract

(57) [Summary] [Purpose] The weight is automatically measured while the product is being cut out, and labor is saved and productivity is improved. Automate the whole line, such as carrying out to [Structure] Clamp jaw 33 provided on carriage 29
Is provided with a lift cylinder 53 for moving the movable vice body 31 provided with the above in a vertical direction, and a hydraulic circuit 71 for operating the lift cylinder 53 is provided with a pressure detection device which is a measuring unit 73 as a cutting material weight measuring device 69. 85
Is provided. The pressure detecting device 85 is provided between the lower oil chamber 83 of the lift cylinder 53 and the pilot check valve 81 provided on the output side of the electromagnetic switching valve 79 to which the pressure oil is supplied.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cutting material weight measuring device for automatically measuring the weight of cutting material cut by a cutting machine.

[0002]

[Prior Art]

 Conventionally, as a cutting material, for example, a cutting material cut with a saw machine must be weighed before it is subjected to a forging machine in order to prevent damage to the mold and eliminate product defects. There is. The actual situation is that the weight measurement work relies on the hands of the worker.

[0003]

[Problems to be solved by the device]

 By the way, there is a problem that labor saving and improvement in productivity cannot be expected because the weight measurement of the cutting material cut by the above-mentioned conventional sawing machine relies on human labor. Furthermore, in recent years, a system band saw has been completed and it has become possible to automatically carry out products, but there was a problem that the weight measurement of cutting materials became a bottleneck and the entire line could not be automated.

In order to solve the above problems, the object of the present invention is to automatically measure the weight of a product after it has been cut out, thereby saving labor and improving productivity. It is to provide a cutting material weight measuring device that automates the entire line, such as carrying out to a defective product address when is measured.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention is a cutting material weight measuring device for measuring the weight of the cutting material cut by a cutting machine, and can be reciprocally moved in the front-back direction to a carry-out device arranged on the front side of the cutting machine. A carriage, a clamp jaw for clamping the cutting material, and a movable vice body that can move up and down are provided on the carriage, and the measuring means for measuring the weight of the cutting material during the process of raising the movable vice body is used as the carrier. A cutting material weight measuring device was constructed in preparation for the j.

[0006]

[Action]

 By adopting the cutting material weight measuring device of the present invention, a carrying-out device for carrying out the cutting material after cutting is provided, for example, on the front side of the saw as a cutting material. The carry-out device is provided with a carriage that is movable in the front-rear direction, a clamp jaw that clamps the cutting material cut by the carriage, and a movable vise body that holds the clamp jaw and is vertically movable. There is. For this reason, the cut cutting material is clamped by the clamp jaws, lifted by the movable vice body and moved by the carriage to carry out the cutting material.

During the unloading process, that is, when the cutting material clamped by the clamp jaws is lifted by the movable vice body, the weight of the cutting material is measured by the measuring means provided in the carriage. Thus, for example, when the weight of a product that is out of regulation is measured, the line is automated by means such as carrying out the cutting material to the defective product address, thereby saving labor.

[0008]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the present embodiment, the band saw, the material carry-in device, and the product carry-out device are described as the cutting machine, but the present invention is not limited to this, and the band saw, the material carry-in device, and the product carry-out device are known. Since this is a configuration of, only a brief description will be given.

Referring to FIGS. 8 and 9, for example, a swing type horizontal band saw machine 1 is provided as a cutting machine, a feeding material vise 3 is provided, and a rear side of the feeding material vise 3 (see FIGS. 8 and 9). On the right side of the drawing), a material feeding device 5 for feeding the cutting material to be cut is provided upright in the X-axis direction (left and right direction in FIGS. 8 and 9).

In this material feeding device 5, a plurality of rotatable rollers 7 are arranged at appropriate intervals in the X-axis direction, and the rollers 7 are rotated by a drive motor 9.

A plurality of feeding devices 11 orthogonal to the longitudinal direction of the feeding device 5 and arranged at appropriate intervals in the X-axis direction are arranged in the Y-axis direction (vertical direction in FIG. 8, vertical in FIG. 9). Direction). The material supply device 11 is composed of a chain conveyor 13 and sends a cutting material placed on the chain conveyor 13 by driving a drive motor 15.

Further, a residual material unloading device 17 is provided on the outgoing side (lower side in FIG. 8) of the material supplying device 11. The residual material unloading device 17 is provided on the extension of the material supplying device 11 and is composed of a plurality of chain conveyors 19 and stores residual materials on the chain conveyor 19 by driving a drive motor 21. It is a thing.

With the above configuration, the material placed on the chain conveyor 13 of the material supplying device 11 by the crane or the like is rotated by driving the drive motor 15, and the material is the material feeding device 5. The roller 7 is positioned at a predetermined position. Then, the material is transferred onto the roller 7 and driven by the drive motor 9 to send the material to the material feeding vise 3 of the horizontal band saw machine 1.

The material sent to the material feeding vice 3 is cut by the horizontal band saw machine 1 to a desired size, and the remaining residual material is again carried out by the material feeding device 5 and the chain conveyor 13 of the material feeding device 11. It is sent to the chain conveyor 19 of the residual material carrying-out device 17 and stored.

On the front side (left side in FIGS. 8 and 9) of the horizontal band saw machine 1, a carry-out device 23 for carrying out the cut product is provided.

In the carry-out device 23, a rail 27 is installed above a frame base 25, and a carriage 29 is provided on the rail 27 so as to be movable in the X-axis direction. On the carriage 29, a movable vise body 31 is provided so as to be movable in the Z-axis direction (vertical direction in FIG. 8, vertical direction in FIG. 9). The movable vise body 31 has a Y-axis direction. A clamp jaw 33 that is movable in any direction is attached.

Further, the pedestal 25 is provided with a long material product unloading table 35 and a short material product unloading table 37, which is appropriately selected according to the length of the product to carry out the product.

With the above configuration, the product cut by the horizontal band saw machine 1 is gripped by the clamp jaws 33 provided on the movable vise body 31, and is moved to a predetermined position by the movement of the carriage 29, so that a desired table is formed. That is, if the product is a long material, it is transferred to the long product product carry-out table 35, and if the product is a short material, it is transferred to the short product product carry-out table 37 and carried out.

The carry-out device 23 will be described in more detail.

With reference to FIGS. 5, 6 and 7, a support beam 39 is provided on the pedestal 25 so as to extend in the X-axis direction, and a plurality of rails 27 are provided on the side surfaces of the support beam 39. The rail 27 is, for example, an LM guide.

A carriage 29 is provided on the rail 27 so as to be movable in the X-axis direction. A pinion 43 is locked to an output shaft of a drive motor 41 provided on the carriage 29, and a rack with which the pinion 43 meshes. 45 is provided on the side surface of the support beam 39 so as to extend in the X-axis direction (see FIG. 5). Reference numeral 47 is a track for guiding wiring and piping materials.

With the above configuration, the carriage 29 is guided by the rail 27 by driving the drive motor 41 and positioned at a free position in the X-axis direction. The range of movement is shown in FIG. 5, and it is possible to move from the position shown by the solid line to the position shown by the chain line.

A movable vise body 31 is vertically provided on the carriage 29. That is, a plurality of (two in the present embodiment) guide shafts 49 are provided penetrating the carriage 29, and the movable vice body 31 is locked to the lower end of the guide shafts 49. The upper end of the guide shaft 49 is connected by a connecting member 51, and the piston rod 55 of the lift cylinder 53 is connected to one end of the connecting member 51.

Further, a clamp jaw 33 engaged with a sliding surface 57 provided on one side surface of the movable vice body 31 is provided so as to be movable in the Y-axis direction, and although not shown, a cylinder or the like of FIG. As shown in the figure, it is movably provided from the central position shown by the solid line to the left and right positions shown by the chain line. The clamp jaw 33 is composed of a fixed jaw 61 and a movable jaw 63. The movable jaw 63 is engaged with a rail 65 and is provided by a cylinder 67 so as to be movable in the Y-axis direction (see FIG. 6).

With the above configuration, the product W cut by the horizontal band saw machine 1 is clamped by the operation of the cylinder 67 by the cooperation of the fixed jaw 61 and the movable jaw 63. Then, the product W is lifted by lifting the movable vice body 31 with the lift cylinder 53, and the carriage 29 is moved to a predetermined position by the drive motor 41, and the long material product carry-out table 35 or the short material product is moved. The clamp jaw 33 is moved to the carry-out table 37 or to whichever fits, and the clamp is released to carry out the product W.

Next, the cutting material weight measuring device will be described in detail.

Referring to FIG. 1, the cutting material weight measuring device 69 is provided with a lift cylinder 53 for vertically moving a movable vice body 31 having a clamp jaw 33 provided on the carriage 29. Measuring means 73 is provided in a hydraulic circuit 71 for operating the lift cylinder 53. More specifically, in the hydraulic circuit 71, pressure oil is sent from the tank 75 by the hydraulic pump 77 to the port P of the electromagnetic switching valve 79, and the ports A and B are selected by switching the electromagnetic switching valve 79.

When switching to the port A of the electromagnetic switching valve 79, the pressure oil is supplied from the pump 77 to the lower oil chamber 83 of the lift cylinder 53 via the pilot check valve 81. Between the oil chamber 83 and the pilot check valve 81, a pressure detecting device 85, which is a measuring unit 73, is provided. At this time, the oil in the upper oil chamber 87 of the lift cylinder 53 is returned from the port B of the electromagnetic switching valve 79 through the port R to the tank 75.

Therefore, the clamp jaws 33 holding the product W ascend while being guided by the guide shaft 49 provided on the movable vise body 31. At this time, the weight of the product is measured by the pressure detection device 85. That is, as shown in FIG. 2, when there is no product W (when there is no load) due to the pressure in the lower oil chamber 83 (on the head side) of the lift cylinder 53 when the product W is lifted (when there is a load). ) The pressure difference in the lower oil chamber 83 is calculated, and the measured product weight Wg is calculated by multiplying this pressure difference by the area of the lower oil chamber 83 of the cylinder 53. Further, by comparing the measured product weight Wg with the calculated product weight Wc, if YES, it is possible to sort and carry out the product to the product carry-out yard, and if NO, to the defective product yard.

Therefore, at present, the most labor-intensive work in cutting steel is work in product processing, and there are the following points in particular.

(1) Cutting off the product (2) Product check, that is, length, diameter, material, weight, etc. (3) Marking work (4) Preparation for shipment (palletizing) Of the above, products related to weight according to the present invention The check work is simplified, and the weight is automatically measured during product delivery after cutting with a simple configuration, which greatly saves labor and productivity compared with the conventional work done by workers. It can be improved. In addition, if the weight of a product that is out of regulation is measured, it can be carried out to the defective product address and the entire line can be automated.

The embodiment shown in FIGS. 3 and 4 shows the second embodiment, and the part different from the first embodiment is that the measuring means 73 is provided in the lift cylinder 53, and the first embodiment The same members as those in the example are designated by the same reference numerals and the description thereof will be omitted.

That is, the measuring means 73 is provided between the piston rod 55 of the lift cylinder 53 and the connecting member 51. As shown in detail in FIG. 4, a measuring means 73, for example, a load cell 91 is attached to the piston rod 55 via a washer 89, and the upper surface of the load cell 91 is brought into contact with the lower surface of the connecting member 51 so that the nut 93 Thus, the piston rod 55 is connected to the connecting member 51. Therefore, the load of the load cell 91 when the product W is not gripped is more than the load detected by the load cell 91 when the product W is gripped by the clamp jaws 33 and the movable vise body 31 is lifted by the lift cylinder 53. The actual product weight of the product W can be known by subtracting it. As a result, the same coins as those of the first embodiment can be exhibited.

It should be noted that the present invention is not limited to the above-described embodiments, but can be implemented in other forms of sleds by making appropriate changes. For example, although the pressure detecting device 83 and the load cell 91 are used as the measuring means 73 in this embodiment, a piezoelectric element, a strain gauge, or the like is attached to a part of the ascending structure of the carry-out device 23 including the clamp jaw 33. It is also possible to detect the weight from the stress, strain, etc. applied when the product W is lifted.

[0035]

[Effect of the device]

 As can be understood from the above description of the embodiments, according to the present invention, the cutting material cut by the cutting machine is grasped by the clamp jaws, and the cutting material is cut by the measuring means during the ascending process of the movable vice body. Measure the weight. For this reason, the weight can be automatically measured while the product is being carried out after cutting with a simple structure, which can save labor and improve productivity. In addition, if the weight of a product that is out of regulation is measured, the entire line can be automated, such as carrying out the product to a defective product address.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a hydraulic circuit and a lift cylinder in a cutting material weight measuring device which is a main part of the present invention.

FIG. 2 is an operation explanatory diagram of a control circuit in FIG.

FIG. 3 is a structural explanatory view showing another embodiment, in which measuring means is incorporated in a lift cylinder.

FIG. 4 is an enlarged explanatory diagram of an IV arrow portion in FIG.

FIG. 5 is an enlarged front view of a V arrow section in FIG.

FIG. 6 is a side view seen from the right side in FIG.

FIG. 7 is a plan view of FIG.

FIG. 8 is a layout explanatory view showing an overall configuration of a horizontal band saw machine and a material loading / unloading apparatus according to an embodiment of the present invention.

9 is a front view of FIG.

[Explanation of symbols]

 1 Horizontal Band Saw Machine (Cutting Machine) 23 Carrying Out Device 29 Carriage 31 Movable Vise Body 33 Clamp Jaw 69 Cutting Material Weight Measuring Device 73 Measuring Means

Claims (1)

[Claims for utility model registration] 1. A cutting material weight measuring device for measuring the weight of cutting material cut by a cutting machine, and reciprocating in a forward and backward direction to a carry-out device arranged in front of the cutting machine. The carriage is equipped with a flexible carriage, a movable jaw is provided on the carriage for clamping the cutting material, and a movable vice body that can move up and down is provided. A cutting material weight measuring device characterized by being provided.