JP3671047B2 - Weighing device - Google Patents

Description

  The present invention relates to a weighing device that transfers and weighs articles conveyed by a moving carriage during conveyance.

Conventionally, for example, fish unloaded from a fishing boat is sorted according to its size and type, and after a certain amount is stored in a fish box, it is weighed and shipped. Weighing is performed with a platform scale, and the fish box is transported using a moving carriage. By the way, the fish box containing the fish is very heavy, and the work of carrying between the moving carriage and the platform scale each time weighing is labor intensive. In addition, a weighing device that automatically performs weighing and storage in a fish box has been proposed, but the size of the device increases and the cost is high, and it is not suitable for small-scale weighing.
JP-A-8-193870

  The problem to be solved by the present invention is to solve these conventional problems, and to provide a low-cost weighing device that can quickly and quickly transfer articles conveyed by a moving carriage without any labor during the conveyance. There is.

The configuration of the present invention that solves this problem is as follows.
1) A weighing device comprising a moving carriage for conveying an article and a weighing machine for transferring and weighing the article on the moving carriage during the conveyance, and the movable carriage has a plurality of free surfaces on which the article is placed. It is formed by a roller, an article fall prevention frame is provided around the free roller, and the article entrance / exit side of the fall prevention frame is opened and closed, and the weighing machine has an interval narrower than the bottom width of the article. A pair of placed free rollers is provided at the same height as the free rollers of the movable carriage, a lifting platform is provided between the same pair of free rollers, a weigh scale is provided on the upper surface of the lifting platform, and a pair of free rollers are provided around the pair of free rollers. An article fall prevention frame is provided with the article entry / exit side open, the weighing platform is raised to a height where the weighing surface of the weigh scale is above the free roller during weighing, and the weighing scale's weighing surface is below the free roller when not weighing Raising and lowering the platform to a height that becomes Weighing characterized in that it has a structure with driving means, and it is possible to weigh items in the middle of transportation by moving them horizontally from the article placement surface of the moving carriage to the free rollers of the weighing machine at the same height without carrying them. Device 2) The opening / closing structure of the fall prevention frame of the movable carriage is provided with a pair of stoppers rotatably on both sides of the entrance / exit side, and each stopper is connected to an operation pedal via a link member. 1) or 2) above, wherein the weighing device is provided with a pair of guides for guiding the movable carriage to the article loading / unloading position of the weighing machine. 4) The lifting platform driving means is provided with an air cylinder for moving the lifting platform up and down with compressed air of an air compressor, and an operation pedal for switching the supply of compressed air to the air cylinder. Serial 1) to 3) in the weighing device according to any one.

  According to the present invention, the movable carriage on which the article is placed is placed in front of the free roller of the weighing machine, and the article is transferred to the free roller side of the weighing machine so that the article is transferred by the free roller and arranged above the weighing scale. Is done. Accordingly, it is not necessary to lift the article, and even a heavy article can be easily and quickly weighed without labor, and the structure is simple and can be reduced in size and manufactured at low cost.

  As the opening / closing structure of the fall prevention frame of the mobile carriage of the present invention, a structure in which a pair of stoppers are rotatably provided on both sides of the entrance / exit side, and each stopper is connected to an operation pedal via a link member, By depressing the operation pedal, the article can be reliably prevented from falling and the stopper can be easily opened and closed. Further, if the weighing machine is provided with a pair of guides for guiding the moving carriage to the article loading / unloading position of the weighing machine, it becomes easy to place the moving carriage at a fixed position. As the lifting platform driving means, an air cylinder that moves the lifting platform up and down with compressed air from the air compressor and an operation pedal that switches the supply of compressed air to the air cylinder are provided. Can be implemented at cost. The article referred to in the present invention includes the article itself and a container containing the article. Embodiments of the present invention will be specifically described below with reference to the drawings.

  The embodiment shown in FIGS. 1 to 6 is an example applied to fish weighing. 1 is a perspective view of a weighing machine according to the embodiment, FIG. 2 is a cross-sectional view taken along line AA of FIG. 1, FIG. 3 is a perspective view of the movable carriage according to the embodiment, and FIG. Explanatory drawing and FIG.5, 6 are explanatory drawings which show the use condition of the measuring device of an Example.

  In the figure, 1 is a weighing machine, 2 is a frame, 2a is a leg, 2b is a guide roller, 2c is a cushioning material, 3 is a free roller, 4 is a lifting platform, 5 is a weigh scale, 6 is a fall prevention frame, and 7 is empty. Pressure cylinder, 7a is a cylinder tube, 7b is a cylinder rod, 8 is a foot valve, 8a is an air hose, 9 is an air compressor, 10 is a display panel, 10a is a column, 10b is a signal line, 11 is a moving carriage, 12 is a frame, 12a Is a leg, 12b is a wheel, 13 is a free roller, 14 is a fall prevention frame, 15 is a stopper, 15a is a cylinder, 15b is a latch, 15c is a push-up tool, 15d is a push-up rod, 15e is an L-shaped part, 15f Is a horizontal bar, 15g is a support bar, 15h is a wheel presser, 16 is an operation pedal, 16a is a hook, 17 is a fixed stopper, F is a fish, and K is a container.

  As shown in FIGS. 1 and 2, the weighing machine 1 of the present embodiment is narrower than the bottom width of the container K that houses the fish F to be weighed with a pair of free rollers 3 having a diameter of 5 cm on a frame 2 having legs 2 a. A drop prevention frame 6 in which a lifting platform 4 with a weight scale 5 placed on the upper surface is disposed between a pair of free rollers 3 and the entrance / exit side of the container K is opened around the free rollers 3. The pneumatic cylinder 7 is attached to the lower part of the lifting platform 4 so that the compressed air supply of the air compressor 9 can be switched by the foot valve 8, and the pair of guides for the movable carriage 11 to the entrance / exit side of the container K of the frame 2. The guide roller 2b is attached with an inclination of 15 degrees outward, and the cushion material 2c is attached to the portion of the frame 2 where the movable carriage 11 abuts.

  As shown in FIG. 3, the movable carriage 11 supports four free rollers 13 at the same height as the free rollers 3 of the weighing machine 1 on a frame 12 having legs 12a with wheels 12b. A fall prevention frame 14 is attached to the end of the shaft, a pair of stoppers 15 are rotatably provided on the entrance / exit side of the container K, and a four-frame operation pedal 16 having hooks 16a is provided on both sides. A fixed stopper 17 is attached to the opposite side.

  As shown in FIG. 4, the opening / closing mechanism of the pair of stoppers 15 is configured such that an L-shaped stopper 15 is inserted into a cylindrical body 15 a fixed to the fall prevention frame 14, and a stopper 15 b is attached to the base end of the stopper 15. The push-up rod 15d provided with a push-up tool 15c at the upper end and an L-shaped portion 15e at the lower end is provided so as to be movable up and down below the hook 15b. When the operation pedal 16 is stepped down, the push-up rod 15d is self-weighted. When the operation pedal 16 is returned upward, the push-up rod 15d rises and the push-up tool 15c lifts the latching tool 1b, and the stopper 15 rises and closes the entrance / exit side. I can do it.

  Further, a wheel presser 15h that presses the wheel 12b and applies a brake is fixed to the tip of each support bar 15g, is pivotally supported at the lower end of the leg 12a, and is fixed between the base ends of the support bars 15g. Is hooked on the hook 16a, and the horizontal bar 15f is lifted by the hook 16a when the operation pedal 16 is stepped on, so that the wheel presser 15h presses the wheel 12b, and when the operation pedal 16 is returned upward, the hook 16a moves the horizontal bar 15f. Is lowered so that the wheel presser 15h is separated from the wheel 12b so that the opening and closing of the entrance / exit side can be interlocked with the lock of the wheel 12b.

  In the present embodiment, the fish F unloaded from the fishing boat is sorted according to the size and type, and after a certain amount is stored in the container K, it is placed on the free roller 13 of the movable carriage 11 and transferred to the weighing machine 1. . As shown in FIG. 5 (a), the frame 12 of the movable carriage 11 is brought into contact with the frame 2 of the weighing machine 1 while being guided by a pair of guide rollers 2b (the cushion material 2c reduces the impact). The pair of stoppers 15 are released by stepping the operation pedal 16 downward and the wheels 12b are locked.

  Next, as shown in FIG. 5B, when the container K is pushed horizontally to the weighing machine 1 side, the container K is transferred from the free roller 13 of the movable carriage 11 onto the free roller 3 of the weighing machine 1 having the same height. Moved and transferred. In this state, the weighing surface of the weighing scale 5 is below the free roller 3 and is not in contact with the container K. When the foot valve 8 is switched to the compressed air supply side as shown in FIG. 5 (c), the compressed air of the air compressor 9 is supplied to the air cylinder 7, and the cylinder rod 7b pushes up the lifting platform 4, and the weighing scale 5 The container K is lifted and separated from the free roller 3, and the weight of the container K is loaded on the weighing scale 5. The weight value at this time is read from the display panel 10 and recorded.

  When the weighing is completed, the foot pedal 8 is switched to the compressed air release side to lower the lifting platform 4 as shown in FIG. 6 (a), the weigh scale 5 is separated from the container K, and the container K becomes the free roller 3 again. When the container K is placed on the container and the container K is pulled toward the movable carriage 11, it rolls from the free roller 3 to the free roller 13 and is transferred. Thereafter, the operation pedal 16 is returned upward to close the entrance / exit side with the pair of stoppers 15 and the wheel 12b is unlocked, and is transported to a required place as shown in FIG. 6 (c).

  In this embodiment, since it is configured as described above, the action of lifting the container K is completely unnecessary, and the container K having a weight of several tens of kg containing the fish F can be easily and quickly measured without any effort. In addition, the structure is simple and small, and can be manufactured at low cost.

  FIGS. 7 and 8 show another example of the movable carriage of the embodiment. FIG. 7 is a vertical cross-sectional view in which a part of a moving carriage according to another example of the embodiment is omitted, and FIG. 8 is a cross-sectional view taken along line AA in FIG. In the figure, 12c is a lifting guide, 18 is a lifting platform, 18a is a guide roller, 18b is a turning roller, 19 is a motor, 19a is a winding portion, 19b is a wire, and 20 is a battery.

  7 and 8, another example of the movable carriage 11 includes a frame 12 having a lifting table 18 having a free roller 13 on the upper surface and guide rollers 18 a and turning rollers 18 b on both sides. Elevating guides 12c on which the guide rollers 18a run in the vertical direction are installed on both sides of the motor 12, and a winding portion 19a is attached to the output shaft of the motor 19 and attached together with the battery 20 in the lifting platform 18, and the winding portion Wires 19b are hung between 19a and each turning roller 18b, and the upper ends of the wires 19b are fixed to the upper ends of the lifting guides 12c.

  When the motor 19 is rotated forward by the battery 20, the wire 19 b is wound around the winding portion 19 a, and the wire 19 b turned by the turning roller 18 b is pulled by the motor 19, whereby the lifting platform 18 is raised. When the motor 19 is rotated in the reverse direction, the wound wire 19b is returned, and the lifting platform 18 is lowered by its own weight.

  Therefore, also when the container K after weighing is moved to a position higher than the free roller 13 such as on the container of the transport destination or on the truck bed, the elevator 18 is raised so that the free roller 13 is at the same height as the destination. Therefore, it can be easily and quickly transferred without labor. Other reference numerals and configurations are the same as those in the embodiment.

  The weighing device of the present invention can be applied to weighing not only fish but also fruits and vegetables.

It is a perspective view of the weighing machine of an Example. It is AA sectional drawing of FIG. It is a perspective view of the mobile trolley | bogie of an Example. It is explanatory drawing of the opening-closing mechanism of the stopper of the mobile trolley | bogie of an Example. It is explanatory drawing which shows the use condition of the measuring device of an Example. It is explanatory drawing which shows the use condition of the measuring device of an Example. It is the longitudinal cross-sectional view which abbreviate | omitted a part of mobile trolley | bogie of the other example of an Example. It is AA sectional drawing of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Weighing machine 2 Frame 2a Leg 2b Guide roller 2c Cushion material 3 Free roller 4 Lifting stand 5 Weigh scale 6 Drop prevention frame 7 Pneumatic cylinder 7a Cylinder tube 7b Cylinder rod 8 Foot valve 8a Air hose 9 Air compressor 10 Display panel 10a Prop 10b Signal Line 11 Moving cart 12 Frame 12a Leg 12b Wheel 12c Elevating guide 13 Free roller 14 Drop prevention frame 15 Stopper 15a Cylindrical body 15b Stopper 15c Push-up tool 15d Push-up rod 15e L-shaped part 15f Horizontal bar 15g Support bar 15h Wheel presser 16h Pedal 16a Hook 17 Fixed stopper 18 Lifting table 18a Guide roller 18b Turning roller 19 Motor 19a Winding part 19b Wire 20 Battery F Fish K Container

Claims (4)

  A weighing device comprising a moving carriage for conveying an article and a weighing machine for transferring and weighing the article on the moving carriage during conveyance, wherein the movable carriage has a plurality of free rollers on the loading surface of the article. An article fall prevention frame is formed around the free roller, and the article entry / exit side of the fall prevention frame is opened and closed. The weighing machine has a narrower interval than the bottom width of the article. A pair of free rollers is provided at the same height as the free rollers of the movable carriage, an elevator base is provided between the same pair of free rollers, a weight scale is provided on the upper surface of the elevator base, and an article is placed around the pair of free rollers. An anti-drop frame for the article with the open / closed side opened is provided, and the lifting platform is raised to a height where the weighing surface of the weigh scale is above the free roller during weighing, and the weighing surface of the weighing scale is below the free roller when not weighing Lift platform that lowers the platform to height A weighing apparatus characterized by having a structure provided with means and capable of weighing an article in the middle of conveyance while moving it horizontally from an article placement surface of a moving carriage to a free roller of a weighing machine of the same height without carrying it. .   The opening / closing structure of the fall prevention frame of the movable carriage is provided with a pair of stoppers on both sides of the entrance / exit side so as to be rotatable, and each stopper is connected to an operation pedal via a link member. The weighing device according to claim 1, wherein the device can be opened and closed.   The weighing device according to claim 1 or 2, wherein the weighing machine is provided with a pair of guides for guiding the movable carriage to an article loading / unloading position of the weighing machine.   The elevator platform driving means is provided with an air cylinder for raising and lowering the elevator platform with compressed air of the air compressor, and an operation pedal for switching the supply of compressed air to the air cylinder. Or a metering device.

Images