CN206122192U - Weighing machine's recovery unit - Google Patents

Weighing machine's recovery unit Download PDF

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Publication number
CN206122192U
CN206122192U CN201621100479.7U CN201621100479U CN206122192U CN 206122192 U CN206122192 U CN 206122192U CN 201621100479 U CN201621100479 U CN 201621100479U CN 206122192 U CN206122192 U CN 206122192U
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CN
China
Prior art keywords
collection box
pressure
coupled
resistance
supporting plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201621100479.7U
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Chinese (zh)
Inventor
应宗效
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Zhejiang Shen Ying Technology Co Ltd
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Zhejiang Shen Ying Technology Co Ltd
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Priority to CN201621100479.7U priority Critical patent/CN206122192U/en
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Publication of CN206122192U publication Critical patent/CN206122192U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a weighing machine's recovery unit, its technical scheme main points are including the collection box that is used for accepting nonconforming product, include still that pressure measurement, warning device and lid fit the bearing board of collection box bottom, the pressure condition that pressure measurement is used for detecting between bearing board and the collection box bottom is coupled in pressure measurement in order to receive pressure detection signal with output pressure detection signal, warning device to in response to pressure detection signal in order to realize the warning. The collection box is used for collecting and is picked the nonconforming product that falls by removing devices, along with the continuous operation of weighing machine, nonconforming product constantly the accumulation in the collection box for pressure between bearing board and the collection box bottom constantly rises, when pressure exceedes the limit value, explain that the nonconforming product in the collection box fills with, and at this moment warning device will send out police dispatch and show, in time collects the nonconforming product in the collection box with the warning staff, avoids nonconforming product to spill over in following the collection box.

Description

A kind of retracting device of weigher
Technical field
The utility model is related to weighing-appliance, more particularly to a kind of retracting device of weigher.
Background technology
Whether the weight that weigher is mainly used in weighing article is qualified.
Weigher of the prior art includes frame and the conveyer belt in frame, is provided with weighs on the conveyor belt Device and device for eliminating, device for eliminating is cylinder and the push pedal with cylinders, by the way that article to be checked is placed on into conveyer belt On, article to be checked is weighed through weighing device, if finding, this article to be checked is unqualified, and this article to be checked is sent to rejecting dress During seated position, cylinder will drive push pedal action, and underproof article to be checked is pushed in collection box.
With the continuous operation of weigher, underproof strips article can be cumulative in collection box, after workpiece is filled, If weigher is also continued in running status, the workpiece in collection box can be caused to overflow and drop on the ground, so as to cause work The damage of part;In order to avoid the problems referred to above, staff needs the moment to note the quantity of workpiece in collection box, wastes time and energy, also It is possible to cause the workpiece overfill in collection box because of carelessness, therefore also there is certain room for improvement in this weigher.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of retracting device of weigher, Warning can be automatically sent when the workpiece overfill in collection box.
Above-mentioned technical purpose of the present utility model technical scheme is that:
A kind of retracting device of weigher, including for accepting the collection box of substandard product, also fills including pressure detecting Put, alarming device and be covered on the supporting plate of collection box bottom, the pressure-detecting device is used to detect supporting plate and reclaim With output pressure detection signal, the alarming device is coupled to pressure-detecting device to receive pressure pressure condition between bottom portion Power detection signal, and in response to pressure detecting signal with realize warning.
By above-mentioned technical proposal, collection box picks the substandard product for falling for collecting disallowable device, with weigher Constantly operation, substandard product will be constantly accumulated in collection box, and substandard product will be deposited on supporting plate, so that Pressure between supporting plate and collection box bottom constantly rises, and when pressure exceedes limit value, illustrates unqualified in collection box Product is already filled with this moment alarming device will send warning, to remind staff to collect the unqualified product in collection box in time Product, it is to avoid substandard product overflows from collection box.
Preferably, the pressure-detecting device includes:
Pressure detecting portion, it is arranged on the bottom of collection box, for detecting pressure condition of the supporting plate to collection box bottom With output pressure detected value;
Comparing section, is coupled to pressure detecting portion to receive detected pressure value, and by detected pressure value and default a reference value It is compared, and corresponding pressure detecting signal is exported according to comparative result.
By above-mentioned technical proposal, detected pressure value and default a reference value that comparing section can obtain pressure detecting portion Rear output pressure detection signal is compared to alarming device so that detection process is more accurate, and reacts real-time, accurately Degree is high.
Preferably, the pressure detecting portion includes:
11st resistance, its one end is coupled to voltage VCC;
Force sensing resistance, its one end is coupled to the other end of the 11st resistance, its other end ground connection.
By above-mentioned technical proposal, force sensing resistance adopts the force sensing resistance of positive coefficient, according to the characteristic of force sensing resistance, in power When quick resistance is under pressure, the resistance of its own can rise, the 11st resistance with force sensing resistance composition bleeder circuit, and the 11st The resistance of resistance is constant, and so as to the voltage on force sensing resistance will be raised, circuit structure is simple, and accuracy of detection is higher.
Preferably, the comparing section includes:
Comparator, its in-phase end is coupled on the tie point between the 11st resistance and force sensing resistance;
12nd resistance, its one end is coupled to voltage VDD, and its other end is coupled to the end of oppisite phase of comparator;
Variable resistance, its one end is coupled on the tie point between the 12nd resistance and the end of oppisite phase of comparator, and its is another One end is grounded.
By above-mentioned technical proposal, from the tie point between the 12nd resistance and variable resistance described benchmark is produced It is worth, and a reference value takes from the current potential on variable resistance, when detected pressure value is more than a reference value(Supporting plate is to collection box bottom Enough pressure), comparator will export high level pressure detecting signal;Conversely, when detected pressure value is less than a reference value(Hold Substandard product is less on supporting plate, not enough to collection box bottom pressure), comparator exports low level pressure detecting to be believed Number;The setting of variable resistance, can reach the purpose for adjusting a reference value, so as to improve the practicality of circuit.
Preferably, the alarming device includes:
13rd resistance, its one end is coupled to the output end of comparator;
Triode, its base stage is coupled to the other end of the 13rd resistance, its grounded emitter;
Buzzer, its one end is coupled to voltage VCC, and its other end is coupled to the colelctor electrode of triode.
By above-mentioned technical proposal, the mode that buzzer occurs warning is more eye-catching, so as to be more prone to cause work people The attention of member, to ensure the alarming effect of alarming device.
Preferably, the madial wall of the collection box is vertically provided with slide bar, and the side of the supporting plate offers to be slided with slide bar Move the chute for coordinating.
By above-mentioned technical proposal, slide bar enables supporting plate more smoothly in collection box with the sliding cooperation of chute Inside move up and down, while being also avoided that supporting plate occurs lateral displacement.
Preferably, it is connected with damping spring between the supporting plate and the bottom of collection box.
By above-mentioned technical proposal, the setting of damping spring can effectively slow down substandard product and fall rushing on supporting plate Hit, to avoid the accuracy of detection to pressure-detecting device from impacting, and be constantly deposited on supporting plate in substandard product When, damping spring will be contradicted gradually on pressure-detecting device by compression, so that pressure-detecting device is to supporting plate pressure The detection of power is more accurate.
Preferably, the collection box includes left plate, right plate, base plate and the header board that is articulated with base plate, it is described before It is provided with plate for being adsorbed the electromagnet on left plate and right plate, is connected with the electromagnet for opening and closing electricity The reset switch of magnet current supply circuit.
By above-mentioned technical proposal, header board is hinged on base plate, and header board is adsorbed on left plate and the right side by electromagnet On side plate, after underproof product is collected completely in collection box, by pressing reset switch, the current supply circuit of electromagnet is disconnected, So that electromagnet loses magnetism, header board is now turned down, collection box is beaten and is opened a gap, to facilitate staff to take from breach Take substandard product;After substandard product is taken and finished in collection box, pressing reset switch, to obtain electromagnet electric, turns down header board Header board can be adsorbed on left plate and right plate, it is simple, convenient.
Description of the drawings
Fig. 1 is the structural representation of embodiment;
Fig. 2 is the structural representation of collection box;
Fig. 3 is the circuit diagram of pressure-detecting device and alarming device;
Fig. 4 is the circuit diagram of electromagnet.
Reference:1st, collection box;101st, header board;102nd, left plate;103rd, right plate;104th, base plate;2nd, pressure detecting Device;201st, pressure detecting portion;R11, the 11st resistance;RL1, force sensing resistance;202nd, comparing section;N1, comparator;R12, the tenth Two resistance;RP1, variable resistance;3rd, alarming device;R13, the 13rd resistance;Q1, triode;SP, buzzer;4th, supporting plate; 5th, slide bar;6th, chute;7th, damping spring;8th, electromagnet;SB, reset switch;9th, frame;10th, conveyer belt;11st, weighing device; 12nd, device for eliminating;121st, cylinder;122nd, push pedal;13rd, oblique hopper.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
With reference to shown in Fig. 1 and Fig. 2, a kind of retracting device of weigher, including frame 9 and the conveying in frame 9 Band 10, is provided with weighing device 11 and device for eliminating 12 on conveyer belt 10, and weighing device 11 adopts electronic weigher, rejects dress Putting 12 includes cylinder 121 and is located at the push pedal 122 of the end of cylinder 121, also sets up near the side of device for eliminating 12 in frame 9 There is collection box 1.
Product is placed on conveyer belt 10, Jing conveyer belts 10 are conveyed through weighing device 11, is weighed up in weighing device 11 When the weight of the product is unqualified, product Jing conveyer belts 10 are delivered at device for eliminating 12, and device for eliminating 12 passes through cylinder 121 Promote push pedal 122 that underproof product is pushed in collection box 1, to be recycled.
Collection box 1 includes left plate 102, right plate 103, base plate 104 and header board 101, is additionally provided with collection box 1 and holds Supporting plate 4, supporting plate 4 is covered on base plate 104, and slide bar 5, supporting plate 4 are vertically provided with left plate 102 and right plate 103 Side offer the chute 6 coordinated with the sliding of slide bar 5, the quantity of the preferred slide bar 5 of the present embodiment and chute 6 is four, on a left side Side plate 102 and right plate 103 are respectively arranged with two, so as to cause supporting plate 4 smoothly to move up and down in collection box 1.
With reference to shown in Fig. 2 and 3, also including pressure-detecting device 2 and alarming device 3, pressure-detecting device 2 holds for detection Supporting plate 4 and the bottom of collection box 1(Base plate 104)Between pressure condition with output pressure detection signal, alarming device 3 is coupled to pressure Force checking device 2 to receive pressure detecting signal, and in response to pressure detecting signal realizing warning.
Pressure-detecting device 2 includes:Pressure detecting portion 201, it is arranged on the bottom of collection box 1, for detecting supporting plate 4 To the bottom of collection box 1(Base plate 104)Pressure condition with output pressure detected value;Comparing section 202, is coupled to pressure detecting portion 201 to receive detected pressure value, and detected pressure value is compared with default a reference value, and exports phase according to comparative result The pressure detecting signal answered.
Pressure detecting portion 201 includes:11st resistance R11, its one end is coupled to voltage VCC;Force sensing resistance RL1, one End is coupled to the other end of the 11st resistance R11, its other end ground connection.
Comparing section 202 includes:Comparator N1, its in-phase end is coupled between the 11st resistance R11 and force sensing resistance RL1 On tie point;12nd resistance R12, its one end is coupled to voltage VDD, and its other end is coupled to the end of oppisite phase of comparator N1;Can Variohm RP1, its one end is coupled on the tie point between the 12nd resistance R12 and the end of oppisite phase of comparator N1, and its is another End ground connection.
Alarming device 3 includes:13rd resistance R13, its one end is coupled to the output end of comparator N1;Triode Q1, its Base stage is coupled to the other end of the 13rd resistance R13, its grounded emitter;Buzzer SP, its one end is coupled to voltage VCC, its The other end is coupled to the colelctor electrode of triode Q1.
With reference to shown in Fig. 1 and Fig. 2, the oblique hopper 13 for facilitating blanking is additionally provided between collection box 1 and device for eliminating 12, During so that substandard product falling on supporting plate 4, it is to avoid supporting plate 4 is impacted, the detection support of build-up of pressure detection means 2 Pressure condition between plate 4 and base plate 104 is not accurate enough.
Wherein, the bottom of supporting plate 4 and collection box 1(Base plate 104)Between be connected with damping spring 7, the one of damping spring 7 End is fixed on supporting plate 4, and the other end is fixed on base plate 104, and damping spring 7 is provided with multiple, and multiple damping springs 7 exist On base plate 104, the setting of damping spring 7 can effectively slow down the impact that substandard product falls on supporting plate 4, to avoid to pressure The accuracy of detection of detection means 2 is impacted, and when substandard product is constantly deposited on supporting plate 4, damping spring 7 will Gradually contradicted by compression on pressure-detecting device 2 so that pressure-detecting device 2 to the detection of the pressure of supporting plate 4 more Plus it is accurate.
With reference to shown in Fig. 2 and Fig. 4, the lower side of header board 101 is hinged on base plate 104, wherein, it is provided with header board 101 For being adsorbed the electromagnet 8 on left plate 102 and right plate 103, it is connected with electromagnet 8 for opening and closing electromagnet 8 The reset switch SB of current supply circuit.After underproof product is collected completely in collection box 1, by pressing reset switch SB, Disconnect the current supply circuit of electromagnet 8 so that electromagnet 8 loses magnetism, now turn down header board 101, collection box 1 is opened into one and is lacked Mouthful, to facilitate staff to take from breach substandard product;After substandard product is taken and finished in collection box 1, press It is electric that reset switch SB obtains electromagnet 8, and turnover header board 101 can adsorb header board 101 on left plate 102 and right plate 103, It is simple, convenient.
The course of work:
Product is placed on conveyer belt 10, weighed device 11 is weighed, underproof product Jing device for eliminating 12 Pick and fall in collection box 1, be deposited on supporting plate 4 to the build-up of pressure of damping spring 7 in substandard product so that damping spring 7 Compressed, after substandard product piles with collection box 1, supporting plate 4 causes enough pressure to force sensing resistance RL1, when the quick electricity of power When resistance RL1 detects detected pressure value more than default a reference value, the output end of comparator N1 will export the pressure inspection of high level Survey signal to triode Q1 base stage, triode Q1 conducting, buzzer SP obtain it is electric send warning, notify that staff is carried out back Receive;When supporting plate 4 is less to force sensing resistance RL1 pressure(Substandard product in collection box 1 is less), i.e. force sensing resistance RL1 The detected pressure value for detecting is less than default a reference value, and comparator N1 will export low level pressure detecting signal to triode The base stage of Q1, triode Q1 cut-offs, buzzer SP sends warning sound;
Buzzer SP sends alert notification to after staff, and staff arrives in and presses reset switch SB so that electromagnetism The power-off of iron 8, to turn down header board 101, opens an opening, to facilitate from collection box 1 substandard product of taking by collection box 1.
The above is only exemplary embodiment of the present utility model, not for restriction protection model of the present utility model Enclose, protection domain of the present utility model is determined by appended claim.

Claims (8)

1. a kind of retracting device of weigher, including for accepting the collection box (1) of substandard product, is characterized in that:Also include Pressure-detecting device (2), alarming device (3) and the supporting plate (4) of collection box (1) bottom is covered on, the pressure detecting dress (2) are put for detecting the pressure condition between supporting plate (4) and collection box (1) bottom with output pressure detection signal, the police Showing device (3) is coupled to pressure-detecting device (2) to receive pressure detecting signal, and in response to pressure detecting signal realizing police Show.
2. a kind of retracting device of weigher according to claim 1, is characterized in that:Pressure-detecting device (2) bag Include:
Pressure detecting portion (201), it is arranged on the bottom of collection box (1), for detecting supporting plate (4) to collection box (1) bottom Pressure condition with output pressure detected value;
Comparing section (202), is coupled to pressure detecting portion (201) to receive detected pressure value, and by detected pressure value with it is default A reference value is compared, and exports corresponding pressure detecting signal according to comparative result.
3. a kind of retracting device of weigher according to claim 2, is characterized in that:Pressure detecting portion (201) bag Include:
11st resistance (R11), its one end is coupled to voltage VCC;
Force sensing resistance (RL1), its one end is coupled to the other end of the 11st resistance (R11), its other end ground connection.
4. a kind of retracting device of weigher according to claim 3, is characterized in that:The comparing section (202) includes:
Comparator (N1), its in-phase end is coupled on the tie point between the 11st resistance (R11) and force sensing resistance (RL1);
12nd resistance (R12), its one end is coupled to voltage VDD, and its other end is coupled to the end of oppisite phase of comparator (N1);
Variable resistance (RP1), its one end is coupled to the connection between the 12nd resistance (R12) and the end of oppisite phase of comparator (N1) On point, its other end ground connection.
5. a kind of retracting device of weigher according to claim 4, is characterized in that:The alarming device (3) includes:
13rd resistance (R13), its one end is coupled to the output end of comparator (N1);
Triode (Q1), its base stage is coupled to the other end of the 13rd resistance (R13), its grounded emitter;
Buzzer (SP), its one end is coupled to voltage VCC, and its other end is coupled to the colelctor electrode of triode (Q1).
6. a kind of retracting device of weigher according to claim 1, is characterized in that:The madial wall of the collection box (1) Slide bar (5) is vertically provided with, the side of the supporting plate (4) offers the chute (6) coordinated with slide bar (5) sliding.
7. a kind of retracting device of weigher according to claim 1, is characterized in that:The supporting plate (4) and collection box (1) damping spring (7) is connected between bottom.
8. a kind of retracting device of weigher according to claim 1, is characterized in that:The collection box (1) is including left side Plate (102), right plate (103), base plate (104) and the header board (101) being articulated with base plate (104), the header board (101) On be provided with for being adsorbed the electromagnet (8) on left plate (102) and right plate (103), connect on the electromagnet (8) It is connected to the reset switch (SB) for opening and closing electromagnet (8) current supply circuit.
CN201621100479.7U 2016-10-08 2016-10-08 Weighing machine's recovery unit Expired - Fee Related CN206122192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621100479.7U CN206122192U (en) 2016-10-08 2016-10-08 Weighing machine's recovery unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621100479.7U CN206122192U (en) 2016-10-08 2016-10-08 Weighing machine's recovery unit

Publications (1)

Publication Number Publication Date
CN206122192U true CN206122192U (en) 2017-04-26

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Application Number Title Priority Date Filing Date
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CN (1) CN206122192U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108858448A (en) * 2018-06-12 2018-11-23 南通金池塑胶有限公司 A kind of automobile parts pneumatic punching machine
CN108993920A (en) * 2018-06-25 2018-12-14 池州市尔文软件开发有限公司 Weight sorting device is used in a kind of production of daily necessities
CN113899385A (en) * 2021-10-08 2022-01-07 南方医科大学南方医院 Accurate counting device that disinfection supply center was used
CN114260200A (en) * 2021-12-21 2022-04-01 合肥嵩尚自动化技术有限公司 A remove dust, detect and arrangement equipment for magnetism material product

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108858448A (en) * 2018-06-12 2018-11-23 南通金池塑胶有限公司 A kind of automobile parts pneumatic punching machine
CN108993920A (en) * 2018-06-25 2018-12-14 池州市尔文软件开发有限公司 Weight sorting device is used in a kind of production of daily necessities
CN113899385A (en) * 2021-10-08 2022-01-07 南方医科大学南方医院 Accurate counting device that disinfection supply center was used
CN113899385B (en) * 2021-10-08 2023-05-30 南方医科大学南方医院 Accurate counting device for disinfection supply center
CN114260200A (en) * 2021-12-21 2022-04-01 合肥嵩尚自动化技术有限公司 A remove dust, detect and arrangement equipment for magnetism material product

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170426

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