JP4317985B2 - Long material weighing device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a long measuring device, and can be used as a device for measuring or sorting relatively long vegetables such as radish, burdock, long cucumber, cucumber, eggplant, and fish such as hamachi and bonito.
[0002]
[Prior art]
A technique is known in which a measuring instrument for measuring weight is provided in the middle of a conveyor such as a roller conveyor or a belt conveyor, and a container such as a cardboard case to be conveyed is received by the measuring instrument and measured.
[0003]
[Problems to be solved by the invention]
The weight sizer type that weighs and sorts while placing an object on a sorting tray and transports it is suitable for round shapes such as mandarin oranges, apples, and potatoes, and small shapes, but it is large like radish and hamachi fish. It is difficult to fit a long shape. In weighing and sorting long objects such as these radishes, it is necessary to align the posture or direction during conveyance in parallel and reduce vibration and impact during weighing.
[0004]
[Means for Solving the Problems]
According to the first aspect of the present invention , a long object placed on the rack portion 14 is reciprocally swung so as to form a sawtooth-shaped rack portion 14 and draw a long elliptical swing locus line D in the front and rear direction. An oscillating rack 1 is provided for feeding and transporting at every pitch of each rack portion 14, and a long object that is fed out and stopped by the downward swing of the oscillating locus line D of the rack portion 14 is provided in the terminal transport area of the oscillating rack 1. It is set as the structure of the long object measuring device characterized by providing the weighing receptacle 2 which receives and measures. When the swing rack 1 is swung and the long product is supplied and placed sideways, the long product is engaged for each rack in the swing direction and is sent out while maintaining the parallel state. The long material conveyed every swing by the swing rack 1 is received by the weighing receiver 2 when being moved down along the descending stroke at the end of the swing trajectory line D at this transport end portion, and is stopped for a moment. And weighed immediately. The swing rack 1 lifts and sends out this long object from the upper surface of the weighing receiver 2 by subsequent swinging, and places the subsequent long object on the weighing receiver 2 to perform the same weight measurement.
[0005]
Further, the swinging rack 1, be in a form a pair of crankshaft 7, 8 back and forth movable in the longitudinal direction, a certain distance reciprocates back and forth linearly in synchronism with the longitudinal swing it can. In this case, the swing rack 1 swings back and forth to convey a long object .
When the swing rack 1 is swung forward, a forward movement is performed in a straight line forward, and when it is swung rearward, a backward movement is performed in a straight line rearward. In the swinging stroke of the swing rack 1, the length of the vertical direction can be shortened and the length of the longitudinal direction can be set to be a long elliptical trajectory. Becomes smaller and lengthens forward feed.
[0006]
Further, the swinging rack 1 is adapted to integrally swing with several juxtaposed with a rack spacing 3 of the transport widthwise direction, be formed by the arrangement weighing received 2 per rack spacing 3 However, in this case, the width of each peristaltic rack 1 is made narrow, and a long object received laterally on a plurality of swing racks 1 having a wide rack interval 3 is Are kept in a parallel state and are placed on the weighing receiver 2 for each item and weighed. The long objects received and transported by the swing rack 1 are not supported at the rack interval of 3 parts, but are several places at intervals of the rack interval of 3 parts.
[0007]
Further, a cleaning device 4 is provided on the starting end side of the swing rack 1 for transporting and feeding long materials, and on the end side, the long material sent from the swing rack 1 is inherited and transported for sorting by weight. sorting conveyor 5 provided may Rukoto. In this case, the long material supplied to the cleaning device 4 is conveyed while being cleaned, and is supplied to the starting end of the swing rack 1. The oscillating racks 1 are arranged in parallel by oscillating conveyance of the oscillating rack 1, and each oscillating is placed on the weighing pan 2 and weighed. The long product weighed by the weighing tray 2 is sent from the end of the swing rack 1 to the sorting conveyor 5 and sorted according to the measured weight while being conveyed on the sorting conveyor 5.
[0008]
【The invention's effect】
According to the first aspect of the present invention, a long object is intermittently conveyed by the swing of the swing rack 1 and is placed and weighed on the weighing receiver 2 for each swing. Send from the top. For this reason, intermittent transport and weighing of each long object are performed quickly in synchronism, and it is possible to accurately measure while maintaining the parallel conveying posture of the long object in the lateral direction, and the long object feeding to the next process is orderly. Can be performed in the state. At the moment when the intermittent peristaltic transport of the transport rack 1 for receiving and transporting the long material is stopped , the transported long material is temporarily received on the weighing receiver 2 and the weight weighing of the long material is performed while being transported . Therefore, the weight can be measured while transporting a long object using the swing rack 1 for swing transport without using a special transport stop configuration , and the configuration can be simplified. can do.
[0009]
Further, the swinging rack 1, a pair of crankshaft 7, 8 back and forth movable in the longitudinal direction, when in the form of regular intervals reciprocates back and forth linearly in synchronism with the longitudinal swinging In the swinging trajectory of the swing rack 1, the length in the vertical direction can be shortened and the length in the front / rear direction can be set long, so that vibration or impact when placing a long object on the weighing receiver 2 during swing transport is reduced. Highly accurate measurement can be performed.
[0010]
The swing rack 1 has a configuration in which a plurality of racks 1 are arranged side by side with a rack interval 3 in the conveyance width direction and integrally swing, and a weighing pan 2 is arranged at every three rack intervals. However, in this case, the rack interval part 3 is not supported directly but floated and is supported and engaged by several swing racks 1 part, so that the parallel transport posture of the long objects is stabilized. The weight can be measured by placing it on the weighing pan 2 as it is. For this reason, it is possible to align and stabilize the conveying posture of long objects, and it is possible to reduce the vibrations and impacts and perform accurate weighing.
[0011]
Further, a cleaning device 4 is provided on the starting end side of the swing rack 1 for transporting and feeding long materials, and on the end side, the long material sent from the swing rack 1 is inherited and transported for sorting by weight. However, in this case, since the weighing receiver 2 is installed during the rocking and conveying process of the rocking rack 1, long objects are weighed in a state after washing and accurate weighing is performed. The combined installation of the swing rack 1 on the sorting conveyor 5 can be simplified. In addition, it is possible to easily align the direction of parallel conveyance of long objects, to make the conveying posture of long objects constant, and to increase the processing efficiency from washing to sorting.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to the drawings. A radish sorting device for weighing and sorting radishes as long vegetables receives a washing device 4 for washing radishes B, a rocking rack 1 for rocking and transporting the washed radishes A, and radishes A during the rocking and transportation. And a weighing tray 2 for weighing the weight, and a sorting conveyor 5 for receiving the weighed radish C and sorting it into weight sections. Of these, the swing rack 1 is disposed between the cleaning device 4 and the sorting conveyor 5, and is supported by a pair of front and rear cranks 7 and 8 between the left and right frame side plates 6 to swing back and forth. Is done. The crankshafts 7 and 8 are mounted on the bearing base 9 so that the distance between the front and rear axes is kept constant, and rollers 10 fitted around the crankshafts 7 and 8 are placed on the frame rail 11 in the front and rear direction. It is supported to move freely. The swing rack 1 is supported by the crank portions 12 of the front and rear crank shafts 7 and 8, and the crank portions 12 of the crank shafts 7 and 8 are set at the same phase position. Further, the chain 13 is stretched over one side end of the front and rear crankshafts 7 and 8 so as to rotate synchronously. With such a configuration, by rotating the front crankshaft 7, the rear crankshaft 8 is rotated through the chain 13, and the swing rack 1 supported by each crank portion 12 is swung. . Further, by maintaining such a rotating state, the crankshaft 7 is reciprocated back and forth at a predetermined interval, whereby the bearing base 9 is supported by each roller 10 and reciprocated along the frame rail 11 in a straight line. Is done.
[0013]
The rocking rack 1 is formed by bending a wire in the form of a wire into a sawtooth shape and arranging a plurality of parallel wires with an appropriate rack interval 3. The pitch of each rack part 14 changes with the object of a long thing, and it is set as the form which can engage one radish A between one pitch. A bracket 15 for bearing on the front and rear crank portions 12 is provided on the lower side of the swing rack 1. Such an oscillating rack 1 can be formed in a saw-plate shape having an appropriate thickness or a band-plate shape having an appropriate width, and the upper edge thereof can be formed in a saw-tooth shape.
[0014]
The rocking rack 1 is interlocked by being rotated by a motor 17 via a crankshaft 18 that is interlocked via a chain 16 so that each rack part 14 is reciprocated so as to draw a long elliptical peristaltic locus line D. The Between the crank part 19 of the crankshaft 18 and the crankshaft 7, a chain 22 is stretched between sprockets 20 and 21 fixed to these shafts, and the crankshaft 7 is rotated by the rotation of the crankshaft 18. Is done. Also, the crank portion 19 of the crankshaft 18 and the crankshaft 7 are connected by a crank rod 23, and the crankshaft 7 is reciprocated by the rotation of the crankshaft 18, so that the bearing base 9 is a swing rack. The entire frame 1 is moved back and forth at a predetermined interval with respect to the frame rail 11. For this reason, the peristaltic trajectory line D can shorten the minor axis in the vertical direction and lengthen the major axis in the front-rear direction.
[0015]
A wire-line-shaped or sheet-metal-formed fixed rack 24 is disposed along the side of the swing rack 1 at the rack interval of 3 parts. The rack portion of the fixed rack 24 is formed in substantially the same form as the swing rack 1, receives the radish A delivered by the swing rack 1, and supports the swing rack 1 while swinging backward. Is. The weighing pan 2 is formed in a Y shape in a side view so as to easily support the radish A, and is disposed near the end of the swing rack 1 so that it is appropriately higher than the support surface of the fixed rack 24. The fixed rack 24 does not interfere with the weighing operation of the weighing receiver 2. The weighing receiver 2 has a load cell 25 at the lower end, and can measure the weight of the radish A. The tip end portion 26 of the swing rack 1 is configured to be able to swing and move forward from the weighing receiver 2 by one rack portion 14.
[0016]
The cleaning device 4 has a large number of rotating brush rolls 27 and performs brushing washing while rotating and transporting the radish B on the upper surface of the brush roll 27. On the upper side of the brush roll 27, a mat 29 in which the brush 28 is planted downward is provided to enhance the washing effect of the radish B. A watering nozzle 30 is provided above the brush mat 29 to perform brush washing while watering. When the radish B is supplied in a state parallel to the direction of the shaft 32 of the brush roll 27 from the supply base 31 at the start end, the radish B is conveyed while being brushed with the upper brush 28 by the rotation of each brush roll 27, The starting end portion of the swing rack 1 connected to the start end portion is supplied in a state orthogonal to the direction of each swing rack 1.
[0017]
The sorting conveyor 5 arranged at the starting end of the swing rack 1 is stretched horizontally as a belt-shaped conveyor in a state orthogonal to the conveying direction by the swing rack 1. A sorting scraper 33 is provided on the frame 36 so as to be rotatable around a scraper shaft 34, and a sorting chute 35 is arranged opposite to each sorting scraper 33. The rack front end portion 26 of the swing rack 1 is actuated so as to be seen on the upper surface of the start end portion of the sorting conveyor 5, and the radish A that is supported and sent by the rack front end portion 26 is sent to the upper side surface of the sorting conveyor 5. It can receive in a state parallel to this conveyance direction.
[0018]
The radish C received on the sorting conveyor 5 is transported by the driving rotation of the sorting conveyor 5, and the sorting scraper 33 at the sorting designated position is measured by the load cell 25 in the swing rack 1 and the output from the controller. Is rotated and when the radish C is conveyed to the designated sorting scraper 33 position, it is sorted and discharged from the top surface of the sorting conveyor 5 to the sorting chute 35. Such a sorting scraper 33 is provided for each sorting weight range, and sorting discharge is sorted and output via the controller based on the weight measurement of the load cell 25. The radish C that has not been subjected to sorting and discharging by each sorting scraper 33 is discharged from the terminal portion of the sorting conveyor 5 to the sorting chute 37.
[0019]
When the radish B is supplied from the supply base 31 to the cleaning device 4, it is washed and conveyed while receiving a brushing action by the rotation of the brush roll 27. Each piece is supplied and placed from the end portion to the start end portion of the swing rack 1. Radish A is supported across each swing rack 1 by length. At this time, the radish A is engaged with the rack portion 14 at the synchronous pitch position over the entire length, and is transported while maintaining a posture orthogonal to the transport direction. The rack portions 14 of each pitch are engaged with each single radish A, and a plurality are not engaged. Assuming that the transport order of the radish A is A1, A2 and A3, as shown in FIG. 3, when the radish A2 is supported and moved downward at the end portion of the swing rack 1, it is received by the weighing receiver 2 and is weighted by the load cell 25. Make measurements. At this time, the radish A1 already transported from the weighing receiver 2 to the front side is supported by the leading rack tip 26 and sent to the front sorting conveyor 5 side. The radish A1 is dropped on the upper surface of the sorting conveyor 5 on the front side by the relationship between the downward movement of the peristaltic rack 1 and the tip of the fixed rack 24 and is transferred to the sorting conveyor 5 in succession.
[0020]
The conveyance of the radish A by the swing of the swing rack 1 is a combined swing of the swing action by the rotation of the crankshafts 7 and 8 and the crankshafts 7 and 8 reciprocating back and forth by the rotation of the crankshaft 18. Since the movement is performed in the shape of an ellipse of the peristaltic trajectory line D in which the longitudinal swing stroke is longer than the vertical swing, the feeding of the radish A can be smoothly and smoothly conveyed, and each radish A1, A2, A3 Is kept large, and is placed on the weighing receiver 2 without interference. Further, the radish A can be placed quietly by the weighing receiver 2, and accurate weight measurement can be performed.
[0021]
Each time the rocking rack 1 is swung, the radish A is fed one by one, and is received and weighed by the weighing tray 2 on the way, and placed on the sorting conveyor 5. The radish A is conveyed so that its longitudinal direction is along the conveying direction of the sorting conveyor 5, and when the radish A is conveyed to the position of the sorting scraper 33 that is measured and designated by the load cell 25, the sorting scraper 33 rotates. It is discharged onto the sorting chute 35. In this way, the longitudinal direction of the radish supplied from the supply table 31 is maintained in a fixed direction over the process of transporting the sorting conveyor 5 and the like from the cleaning device 4 through the swing rack 1. Fast conveyance, weighing, and sorting can be performed, the connection configuration between the respective parts can be simplified, and damage to the radish can be reduced.
[Brief description of the drawings]
FIG. 1 is a side view of a rocking rack portion.
FIG. 2 is a plan view thereof.
FIG. 3 is a side view showing an operating state of the partially peristaltic rack portion.
FIG. 4 is an overall plan view.
FIG. 5 is a side view of the cleaning device.
FIG. 6 is a side view of the sorting conveyor unit.
[Explanation of symbols]
1 Swing rack 2 Weighing receptacle 3 Rack interval 4 Cleaning device 5 Sorting conveyor

Claims (1)

A long piece placed on the rack portion 14 is fed out at every pitch of each rack portion 14 while reciprocatingly swinging so as to form a sawtooth-shaped rack portion 14 and drawing a long elliptical swing locus line D back and forth. An oscillating rack 1 for conveying is provided, and a measuring receiver 2 for receiving and weighing a long object that is drawn and stopped by the downward swing of the oscillating locus line D of the rack portion 14 is provided in a terminal conveyance area of the oscillating rack 1. A long object weighing device characterized by that.

Images