JP5042765B2 - Meter - Google Patents

Description

The present invention relates to a measuring instrument suitable for measuring objects to be weighed property of adhering or sticking to the weighing pan (article).

  2. Description of the Related Art Conventionally, a combination weighing device including a plurality of weighing devices has been used to collect a plurality of articles having variations in weight and pack them into a bag or a container by a predetermined target weight. The combination weighing device disperses articles (weighing objects) by a predetermined amount and individually weighs them with a measuring instrument, and then performs a combination calculation with a computer, and weighs the weighing object of the combination closest to the target weight. To select the vessel.

  The combination weighing device can be roughly classified into an automatic type, a semi-automatic type, and a manual type according to the difference in the method of supplying and discharging the objects to be weighed. Among these, in the manual combination weighing device, the operation of supplying and discharging the objects to be weighed to the measuring device is performed manually.

The manual combination weighing device has a structure shown in Patent Document 1, for example. In the weighing apparatus described in Patent Document 1, a plurality of weighing instruments (weighing units) and a main body unit that performs combination calculation are integrally formed. Each measuring instrument is configured by sequentially attaching a dish support, a dish receiving plate, and a weighing dish (weighing dish) on a weight plate attached to the load cell.
Japanese Utility Model Publication No. 3-36894

  The combination weighing device is used for weighing foods. In this case, weighed objects such as cut vegetables such as chopped and shredded vegetables, prepared dishes, paste-like ingredients for retort packs, pickles and pastes It often adheres to or adheres to. If the object to be weighed adheres to or sticks to the weighing pan, the weighed object must be scraped from the weighing pan with a spoon or spatula and discharged. In particular, in a combination weighing apparatus that manually supplies and discharges an object to be weighed from a weighing pan, the operation of discharging the object to be weighed frequently occurs, so that work efficiency is low and time is required. In addition, if an object to be weighed remains on the weighing pan, accurate weighing cannot be performed continuously.

The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a measuring instrument that can simplify the discharge operation of an object to be weighed that adheres to or adheres to a weighing pan from the weighing pan. And

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

The weighing instrument of the present invention is a weighing instrument including a weighing pan for holding an object to be weighed, and a weight detection unit for weighing the weight of the object to be weighed held on the weighing dish. A tray body having a storage section for holding an object to be weighed and having at least a portion of the storage section in contact with the object to be weighed made of a net, a tray installed on the weight detection section, and a stand placed on the tray A support for removably supporting the dish main body, the container main body housing portion having a concave housing member whose dent direction is reversed, and the dish main body is attached to the frame member and the frame member. A pair of side plates formed of a face material made of stretched nets, a bottom plate made of nets arranged between the pair of side plates, and arranged substantially in parallel between the pair of side plates to bend the bottom plate Two support shafts for supporting the opposite end sides of the bottom plate in the state where Is composed of side plates and said bottom plate, said recessed receiving member is made from the bottom plate.

  The present invention has the following effects.

  According to the present invention, since the container of the object to be weighed of the weighing pan is made of a net, it is possible to prevent the object to be weighed from adhering to the weighing pan and to remove the object to be weighed from the weighing pan without leaving it. In addition, the operation required to remove the object to be weighed from the weighing pan is a simple operation in which the pan body is removed from the support and turned upside down. Therefore, the transfer operation | work from the weighing pan to a container etc. can be simplified and it can contribute to the improvement of work efficiency.

  A preferred embodiment of the present invention will be described with reference to the drawings. In the following description, the same or corresponding elements are denoted by the same reference symbols throughout the drawings, and redundant description thereof is omitted.

Embodiment 1

  A measuring instrument according to Embodiment 1 of the present invention will be described. 1 is a side view of the weighing instrument according to the first embodiment, FIG. 2 is a plan view of the weighing instrument of FIG. 1, FIG. 3 is a sectional view taken along the line XX in FIG. 2, and FIG. It is sectional drawing explaining, (a) is a figure which shows the mode of the weighing pan which accommodated the to-be-measured object, (b) is a figure which shows a mode that the weighing pan was turned upside down, (c) is a state that the bottom material turned over FIG.

[Weighing instrument 2]
As shown in FIG. 1, the weighing instrument 2 includes a weight detection unit 30 having an upper part 30 a as a top, and a weighing pan 31 that is installed on the stage 30 a of the weight detection part 30 and holds an object to be weighed. Is provided. In the weighing instrument 2, the weight of the object to be weighed held on the weighing pan 31 is measured by the weight detection unit 30.

[Weighing pan 31]
First, the configuration of the weighing pan 31 will be described. As shown in FIGS. 2 and 3, the weighing pan 31 includes a receiving pan 69 installed on the mounting base 30 a of the weight detection unit 30, a support tool 72 standing on the receiving tray 69, and the support tool. 72 is provided so as to be detachably supported, and a dish main body 71 provided with an accommodation part for an object to be weighed. As for the accommodating part of this plate | board main body 71, the part which touches a to-be-measured object is formed with the net | network.

[Dish body 71]
Next, the configuration of the plate body 71 will be described in detail. As shown in FIGS. 1 to 3, the dish body 71 is disposed substantially parallel between the pair of side plates 81, 81, the bottom plate 82 disposed between the side plates 81, 81, and the side plates 81, 81. Two support shafts 86 and 87 are provided, and these support shafts 86 and 87 support opposite ends of the bottom plate 82 in a state where the bottom plate 82 is bent. In the dish main body 71, a pair of side plates 81, 81 and a bottom plate 82 form an accommodation portion for an object to be weighed.

  The side plate 81 includes frame members 81a and 81b and side members 81c made of a net stretched around the frame members 81a and 81b. More specifically, the side plate 81 includes an arcuate upper frame member 81a, an arcuate lower frame member 81b, and a side member 81c stretched between the upper frame member 81a and the lower frame member 81b. Is formed in an approximately boat shape.

  A first end member 83 is provided at one end portion of the side plate 81, and the end portion of the first support shaft 86 is fixed to the first end member 83. A second end member 84 is provided at the other end of the side plate 81. The second end member 84 is integrally provided with a grip portion 84b having a substantially U shape in plan view and a support portion 84a having a substantially U shape in plan view. A second support shaft 87 is disposed so as to close the substantially U-shaped opening in plan view of the support portion 84a, and the second support shaft 87 is supported by the support portion 84a. The first bearing shaft 86 and the second bearing shaft 87 are disposed substantially in parallel between the side plates 81 and 81.

  The bottom plate 82 includes a substantially rectangular bottom member 90 made of a net, and bottom plate end members 88 and 89 fixed to opposite ends of the bottom member 90 in the longitudinal direction. These bottom plate end members 88 and 89 are provided with cylindrical portions, and the first bearing shaft 86 or the second bearing shaft 87 is inserted into the cylindrical portions. Thus, one bottom plate end member 88 is supported on the first support shaft 86, and the other bottom plate end member 89 is supported on the second support shaft 87, so that the first support shaft 86 and the second support shaft 87 are connected. A bottom plate 82 is attached therebetween. The bottom plate 82 attached between the first support shaft 86 and the second support shaft 87 is bent downward in a range overlapping with the side plates 81, 81 in the vertical direction. And a length (length) in the longitudinal direction larger than the distance between the second support shaft 87 and the second support shaft 87. Further, the bottom plate 82 has a size (width) in the short direction such that both ends in the short direction are in contact with the side plates 81 and 81.

  The dish main body 71 having the above-described configuration is formed of a net in at least a portion in contact with the object to be weighed in the object to be weighed formed by the side plates 81 and 81 and the bottom plate 82. That is, the net | network is used as the side material 81c, 81c and the bottom material 90 which the to-be-measured object contacts among the plate main bodies 71. FIG.

  The nets used as the side members 81c and 81c and the bottom member 90 have a high temperature resistance enough to boil and disinfect, a corrosion resistance that does not react at the high temperature of the acid and boiling disinfection contained in the object to be weighed, and a durability that can be used repeatedly. It is preferable to have such a condition that it is difficult for bacteria to propagate. It is preferable to employ a metal net as a net having this condition. This metal net is selected from, for example, stainless steel wire, nickel, monel metal, titanium, copper, brass, aluminum, aluminum alloy wire, iron wire, galvanized iron wire, etc. according to the object to be weighed by the measuring instrument 2 It can be a net woven (or knitted) with any of the metal wires that have been made. However, as a net having the above conditions, a punching metal having a thickness that can be elastically deformed, or a net made of inorganic fiber or organic fiber can be used.

  Further, the plate main body 71 having the above-described configuration has the side plates 81 and 81 and the bottom plate 82 as separate bodies, the side plate 81 has a substantially boat-like shape, and the bottom plate 82 has a free end in the short side direction and a longitudinal end portion. Is supported by the support shafts 86 and 87, so that the bending direction can be reversed symmetrically about the plane including the support shafts 86 and 87. That is, the plate body 71 is configured to be able to reverse the direction of the depression of the concave portion that accommodates the object to be weighed. With this configuration, even if a metal net is used as the bottom surface member 90, the plate body 71 can reverse the bending direction of the bottom plate 82, which is a constituent member of the housing portion. If the plate body 71 is turned upside down so that the plate body is turned upside down, the plate body 71 has substantially the same shape before and after the bending direction is turned over and turned over, and the plate body 71 can be used on both the front and back sides.

[Tray 69]
Next, the configuration of the tray 69 will be described. The saucer 69 has a lid shape that completely covers the upper surface of the platform 30a of the weight detection unit 30 and the upper edge of the surrounding area. Thereby, the tray 69 can be attached to and detached from the mounting table 30a, but does not move relative to the weighing operation. Further, the upper surface 69a of the tray 69 is substantially flat, and a support 72 is erected on the upper surface 69a. When a part of the object to be weighed falls from the pan body 71 due to liquid dripping, etc. A weighing object can be received at the upper surface 69a.

[Support 72]
Then, the structure of the support tool 72 is demonstrated. The support tool 72 supports the plate body 71 in a stable state without shaking on the mounting table 30a. The support 72 is fixed to the tray 69 and can be detached from the measuring instrument 2 together with the tray 69. In addition, the support tool 72 should just be the thing which can be supported in a stable state without shaking on the receiving pan 69, and being able to attach or detach, and the form is not limited to a present Example.

  The support 72 is in contact with the first support shaft 91 of the plate main body 71 and supports the plate main body 71, and the support 72 is in contact with the grip portion 84 b of the second end member 84 to support the plate main body 71. It consists of two support pillars with two support pillars 92. That is, the dish body 71 is supported in a state of being passed to the first support pillar 91 and the second support pillar 92.

  The first support column 91 is formed by integrally forming a column portion 91a and a bearing portion 91b. The bearing portion 91b of the first support column 91 has a depression having a substantially arc-shaped cross section, and the first support shaft 86 of the dish body 71 is fitted into the depression, so that the dish body 71 is moved in a substantially vertical direction and a substantially horizontal direction. Can be restricted.

  The second support column 92 is formed in a “finger fork” shape by a column portion 92a and a substantially U-shaped receiving portion 92b. By placing the grip portion 84 b of the second end member 84 of the dish body 71 on the receiving portion 92 b of the second support pillar 92, the movement of the dish body 71 in the substantially vertical direction and the substantially horizontal direction can be restricted.

  When the dish main body 71 is supported on the support tool 72 having the above-described configuration, the dish main body 71 is lowered from above the support tool 72 and the first support shaft 86 of the dish main body 71 is placed on the first support column 91. The grip portion 84 b of the second end member 84 of the dish body 71 is placed on the receiving portion 92 b of the second support column 92. Further, when the plate body 71 is detached from the support 72, the plate body 71 is raised. In this way, the plate body 71 can be detached from the support tool 72 by moving the plate body 71 in the vertical direction, so that the work for attaching and detaching the plate body 71 to the support tool 72 is extremely simple.

[Procedure for using weighing device 2]
Next, a procedure for using the measuring instrument 2 having the above configuration will be described.

  First, an object to be weighed is supplied to the weighing pan 31. As shown in FIG. 4A, in the dish body 71, an object to be weighed is formed in a housing portion formed by a pair of side plates 81, 81 and a bottom plate 82 bent downward between the side plates 81, 81. Is housed. The portions (side materials 81c, 81c, bottom material 90) in contact with the object to be weighed in the plate body 71 are all made of a net. Therefore, compared with a conventional flat weighing pan, the contact area between the pan body 71 and the object to be weighed is reduced and the adhesion between the pan body 71 and the object to be weighed is reduced. The weighing object is difficult to stick.

  Next, the object to be weighed on the weighing pan 31 is weighed. The object to be weighed on the weighing pan 31 is weighed by the weight detection unit 30 of the weighing instrument 2.

  Finally, the object to be weighed is discharged from the weighing pan 31. After the plate main body 71 is moved upward and detached from the support, as shown in FIG. 4B, the plate main body 71 is turned upside down on the container 99, as shown in FIG. As shown in FIG. 5, the object to be weighed falls from the plate body 71 and is stored in the container 99. As described above, since the accommodating portion of the dish main body 71 is formed of a net, it is possible to prevent the object to be weighed from adhering to the dish main body 71, and the object to be weighed can be easily separated from the dish main body 71 without remaining. Can be removed. Further, an operation necessary for removing the object to be weighed from the weighing pan 31 is a simple operation of turning the pan body 71 upside down. Therefore, the work of transferring the object to be weighed from the weighing pan to the container or the like can be simplified, which can contribute to the improvement of work efficiency. The object to be weighed by the measuring instrument 2 can exhibit the effect of the weighing pan 31 according to the first embodiment in particular if it has adhesion and viscosity.

  4B, the bottom plate 82 is bent upward as shown in FIG. 4B. However, due to the weight of the bottom plate 82, as shown in FIG. Further, the bottom plate 82 is deformed to be bent downward. That is, the bottom plate 82 is deformed so that the front surface becomes the inner surface of the recess. When the bottom plate 82 is turned upside down in this way, the bottom plate 82 is warped on the opposite side, so that the object to be weighed accommodated in the dish main body 71 is easily removed without remaining. In addition, at the time of the next use of the plate main body 71, it is not necessary to turn the plate main body 71 upside down again, and it can be used with the bottom plate 82 turned upside down.

Embodiment 2

  Next, as a second embodiment, a manual combination weighing device 1 including a plurality of weighing devices 2 shown in the first embodiment will be described. In the manual combination weighing device 1, the operation of discharging the objects to be weighed by the measuring instruments 2 participating in the combination to the container is repeated many times. Therefore, the efficiency of the operation of discharging the objects to be weighed on the weighing pan 31 is particularly high. Desired. Therefore, a drastic improvement in work efficiency is expected by providing the manual weighing instrument 1 with the weighing instrument 2 including the weighing pan 31 whose container is a net.

[Configuration of Combination Weighing Device 1]
First, the hardware configuration of the combination weighing device 1 will be described. 5 is a plan view of a combination weighing device according to Embodiment 2 of the present invention, FIG. 6 is a front view of the combination weighing device, FIG. 7 is a side view of the combination weighing device, and FIG. It is side surface partial sectional drawing which shows the structure of a measuring instrument stand.

  As shown in FIGS. 5 to 8, the combination weighing device 1 is connected to a plurality of weighing devices 2, 2,. The measuring instrument base 3 that holds two, two, and two in a row and the indicator unit 60 that executes the combination calculation are provided. The weighing instrument base 3 and the indicator unit 60 constitute the main body of the combination weighing device 1, and the main body is based on the measured values of the objects to be weighed by the measuring instruments 2, 2,. By performing the combination calculation, a combination of the measuring devices 2, 2,... Is obtained in which the total of the measured values is within an allowable range with respect to the combined target weight.

[Indicator unit 60]
The indicator unit 60 includes a calculation control unit 61 that executes a combination calculation based on a weight signal (measured value) received from the weighing instrument base 3, a display unit 63 for displaying the result of the combination calculation, and an operator Are provided with an input unit 64 for inputting instructions to the indicator unit 60.

[Weighing device stand 3]
The weighing platform 3 includes a pair of end frames 3a and 3a, connecting rods 3b and 3b installed on the end frames 3a and 3a, and a box-like display installed on substantially the center of the end frames 3a and 3a. It is comprised with the part 3c.

  On the top surface 26 of the display unit 3c of the measuring instrument stand 3, an indicator lamp 25 corresponding to the holding position of each measuring instrument 2, 2,. The indicator lamp 25 is turned on or blinked in accordance with an instruction from the indicator unit 60, whereby a measuring instrument 2 to be additionally supplied with an object to be weighed and to be increased, a measuring instrument 2 to be partially taken out and to be reduced, Alternatively, the operator can be informed of the measuring instruments 2, 2,.

[Weighing instrument 2]
As shown in FIGS. 3 and 8, the measuring instrument 2 includes a weight detector 30 and a weighing pan 31. The outer shape of the weight detection unit 30 is formed by an upper housing 6 and a lower housing 7 that are integrally coupled by a coupling means such as a screw. The upper casing 6 stores a load cell 5 or the like as a weight sensor, and the lower casing 7 stores an A / D board having an A / D conversion circuit 9.

  The top surface of the weight detection unit 30 having the above configuration is a mounting table 30a. A weighing pan 31 is installed on the mounting table 30a. Since the configuration of the weighing pan 31 is the same as that described in the first embodiment, detailed description thereof is omitted.

  A handle 13 used for handling the measuring instrument 2 is provided on one side surface (right side in FIG. 3) of the lower housing 7. A ventilation mechanism 14 is provided below the handle 13 to ventilate the inside and outside of the housings 6 and 7 in order to ensure a stable weighing operation of the measuring instrument 2.

  Further, a non-contact power supply unit 11 for supplying power from the measuring instrument base 3 to the measuring instrument 2 is provided on the other side surface (the left side in FIG. 3) of the lower housing 7. Electric power is supplied to the non-contact power supply unit 11 from the non-contact power supply unit 21 provided on the display unit 3c of the measuring instrument base 3 when the measuring instrument 2 and the measuring instrument base 3 are in a connected state.

  Further, an infrared communication unit 12 is provided in the vicinity of the non-contact power supply unit 11 of the lower housing 7. The infrared communication unit 12 performs infrared communication with the infrared communication unit 22 provided in the display unit 3c of the measuring instrument base 3 when the measuring instrument 2 and the measuring instrument base 3 are in a connected state. The display unit 3 c of the measuring instrument base 3 is provided with a communication unit 24, and wireless communication is performed between the communication unit 24 and the indicator unit 60.

[Connection state or disconnection state of measuring instrument 2 and measuring instrument stand 3]
Here, a connected state or a disconnected state of the measuring instrument 2 and the measuring instrument stand 3, and a detection method thereof will be described.

  As shown in FIG. 8, the engaging pin 18 is engaged with the engaging pin 18 formed on the display unit 3 c of the measuring instrument base 3 by engaging the engaging pin 18 formed on the lower part of the measuring instrument 2. The hook 23 is locked. Further, the handle 13 is locked to the locking piece 27 by engaging the handle 13 of the measuring instrument 2 with the locking piece 27 formed on the connecting rod 3 b of the measuring instrument base 3. In this way, the measuring instrument 2 and the measuring instrument stand 3 are connected.

  As shown in FIG. 9, in order to detect the connection state between the measuring instrument 2 and the measuring instrument base 3, the measuring instrument 2 is provided with a magnet 42, and the connecting rod 3 b of the measuring instrument base 3 has a magnet A Hall element 52 for determining the strength of the magnetic field based on the displacement of 42 is provided. When the hall element 52 determines that the magnet 42 of the measuring instrument 2 has approached the display unit 3c of the measuring instrument base 3, the connection state between the measuring instrument 2 and the measuring instrument base 3 is detected.

  On the other hand, the operator grips the handle 13 of the measuring instrument 2 and lifts the measuring instrument 2 upward, and then pulls it outward from the measuring instrument base 3, thereby providing the display unit 3 c of the measuring instrument base 3. The measuring instrument 2 is separated from the engaging hook 23, and the measuring instrument 2 is detached from the measuring instrument base 3.

  The display unit 3c of the measuring instrument base 3 is provided with a coil, and the current or voltage flowing through the coil is measured. Based on the measured value, the measuring instrument 2 and the measuring instrument base 3 are in a detached state. It is detected. When the detached state is detected, the non-contact power supply unit 21 of the display unit 3 c stops supplying power to the non-contact power supply unit 11 of the measuring instrument 2.

[Configuration of control system of combination weighing device 1]
The configuration of the control system of the combination weighing device 1 will be described. FIG. 9 is a block diagram showing an example of a control system of the combination weighing device.

  Each weighing instrument 2 included in the combination weighing device 1 includes an arithmetic control unit 40 including a CPU, a load cell 5, and an A / D conversion circuit 9 that converts an analog weight signal obtained by the load cell 5 into a digital weight signal. A memory 41 including a RAM and a ROM, an infrared communication unit 12, a non-contact power supply unit 11, and a magnet. The memory 41 stores setting information related to measurement settings, such as information relating to span adjustment and information relating to the weight value of the tare.

  The weighing instrument table 3 includes a calculation control unit 50 including a CPU, an infrared communication unit 22, a non-contact power supply unit 21, a hall element 52, a memory 53 including a RAM and a ROM, and an indicator lamp 25. These components are provided as many as the number of measuring instruments 2 that can be mounted on the measuring instrument table 3. In addition, the weighing platform 3 is provided with a switching power supply 51 having a switching element for converting and adjusting the power supplied from the external power supply 68, and power is supplied from the switching power supply 51 to each arithmetic control unit 50. Is supplied. Further, the measuring instrument base 3 is provided with a communication unit 24 for wirelessly communicating with the indicator unit 60.

  The indicator unit 60 includes an arithmetic control unit 61 including a CPU, a display unit 63, an input unit 64, a communication unit 62 for wirelessly communicating with the measuring instrument base 3, and power supplied from an external power source 68. A switching power supply 65 that converts and adjusts and a memory 66 including a RAM and a ROM are provided. The memory 66 stores a program for determining combination conditions, a program for performing combination calculations, various data, and the like.

[Weighing operation of combination weighing device 1]
Next, the weighing operation of the combination weighing device 1 having the above configuration will be described. Each measuring instrument 2 is in a connected state with the measuring instrument stand 3, is supplied with power from the non-contact power supply unit 11, and can communicate with the measuring instrument stand 3 by wireless communication.

  When the operator operates the input unit 64 of the indicator unit 60 and inputs parameters for determining the combination conditions, the calculation control unit 61 of the indicator unit 60 acquires information such as these parameters. And it displays on the display part 63 as needed.

  Next, an object to be weighed is placed on the weighing pan 31 of each measuring instrument 2 by the operator. At this time, the object to be weighed is put into the accommodating portion of the dish main body 71. After the objects to be weighed are placed on all the weighing pans 31, the operator operates the input unit 64 of the indicator unit 60 to input an instruction to start combination calculation. The calculation control unit 61 of the indicator unit 60 that has received an instruction to start the combination calculation from the operator via the input unit 64 outputs a command for instructing the start of the weighing operation to the weighing instrument table 3 via the communication unit 62. To do.

  On the other hand, in each measuring instrument 2, the load cell 5 measures the weight value of the object to be weighed placed on the weighing pan 31 and outputs the measured weight value to the A / D conversion circuit 9 as an analog weight signal. Upon receiving the analog weight signal, the A / D conversion circuit 9 converts the analog weight signal into a digital weight signal and outputs the digital weight signal to the arithmetic control unit 40. The arithmetic control unit 40 transmits the received digital signal to the measuring instrument table 3 via the infrared communication unit 12.

  Each calculation control unit 50 of the weighing instrument table 3 that has received a command to start the weighing operation from the indicator unit 60 receives a digital weight signal from the weighing instrument 2 via the infrared communication unit 22. The digital weight signal received by each calculation control unit 50 in this way is transmitted to the indicator unit 60 via the communication unit 24 together with identification information for indicating which measuring instrument 2 is a digital signal. Is done.

  The arithmetic control unit 61 of the indicator unit 60 receives a digital signal corresponding to the number of measuring instruments 2 from the measuring instrument table 3 via the communication unit 62. Then, the calculation control unit 61 uses the received digital weight signal and the program stored in the memory 66 to execute a combination calculation to obtain an optimum combination in which the total of the measured values is within an allowable range for the combination target weight. Determine which instruments 2, 2,. When the optimal combination is selected by the calculation control unit 61, the calculation control unit 61 transmits the combination information indicating the optimal combination to the measuring instrument table 3 via the communication unit 62. In the calculation control unit 50 of the measuring instrument stand 3, combination information indicating the optimum combination is displayed on the indicator lamp 25.

  Then, the operator visually recognizes the optimum combination information indicated on the indicator lamp 25 of the measuring instrument base 3, and disengages the measuring instruments 2, 2,. The work is carried out by inverting the top and bottom of 71 and discharging the objects to be weighed held in the weighing pans 31, 31, etc. of the measuring devices 2, 2,. As a result, an object having a weight within the allowable range for the combination target weight set by the combination weighing device 1 is accommodated in the container.

  INDUSTRIAL APPLICABILITY The measuring instrument and the combination weighing apparatus of the present invention are useful for a measuring instrument and a combination weighing apparatus that use a food having adhesion to a weighing pan as an object to be weighed.

2 is a side view of the measuring instrument according to Embodiment 1. FIG. It is a top view of the measuring instrument of FIG. It is XX arrow sectional drawing in FIG. It is sectional drawing explaining the usage form of a weighing pan, (a) is a figure which shows the mode of the weighing pan which accommodated the to-be-measured object, (b) is a figure which shows a mode that the weighing pan was turned upside down, (c) is It is a figure which shows a mode that the bottom material turned over. It is a top view of the combination weighing | measuring apparatus which concerns on Embodiment 2 of this invention. It is a front view of a combination weighing device. It is a side view of a combination weighing device. It is side surface partial sectional drawing which shows the structure of the measuring device with which a combination measuring device is provided, and a measuring device stand. It is a block diagram which shows an example of the control system of a combination weighing device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Combination weighing device 2 Weighing device 3 Weighing device stand 6 Upper housing | casing 7 Lower housing 13 Handle 30 Weight detection part 31 Weighing pan 69 Receptacle 71 Dish main body 72 Support tool 81 Side plate 81a Upper frame member 81b Lower frame member 81c Side material 82 Bottom plate 83 First end member 84 Second end member 86 First support shaft 87 Second support shaft 88, 89 Bottom plate end member 90 Bottom material 91 First support column 92 Second support column

Claims (1)

A measuring instrument comprising a weighing pan for holding an object to be weighed and a weight detector for measuring the weight of the object to be weighed held on the weighing pan,
The weighing pan is
A tray main body having a storage portion for holding an object to be weighed, and at least a portion of the housing portion in contact with the object to be weighed is a net;
A saucer installed on the weight detection unit;
A support that is erected on the tray and detachably supports the tray body ,
The receiving part of the plate body is
It has a concave housing member whose dent direction is reversed,
The dish body is
A pair of side plates composed of a frame material and a face material made of a net stretched over the frame material;
A bottom plate made of a net disposed between the pair of side plates;
Two support shafts that are arranged substantially parallel between the pair of side plates and support opposite ends of the bottom plate in a state where the bottom plate is bent,
The accommodating portion is constituted by the pair of side plates and the bottom plate, and the concave accommodating member is formed by the bottom plate.
Meter.

Images