CN208171417U - Automatic material weighing device - Google Patents
Automatic material weighing device Download PDFInfo
- Publication number
- CN208171417U CN208171417U CN201820397767.6U CN201820397767U CN208171417U CN 208171417 U CN208171417 U CN 208171417U CN 201820397767 U CN201820397767 U CN 201820397767U CN 208171417 U CN208171417 U CN 208171417U
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- Prior art keywords
- weighing
- weighing sensor
- sensor
- hopper
- automatic material
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- 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.)
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Abstract
The utility model discloses a kind of automatic material weighing devices,There is weighing reliable,Conducive to energy-efficient effect,Its key points of the technical solution are that including bracket,The multiple weighing sensors being fixed on bracket,It is weighed the weighing hopper that sensor has been hung,And it is connected to the material storing box of weighing hopper outlet,The upper end of the bracket includes ring part,The hip cross being integrally attached among ring part,And it extends out guide part from ring part,It is fixed on hip cross for weighing sensor,Guide part has vertical guide rod,The outer wall of the weighing hopper is provided with the sleeve passed through for guide rod,The weighing sensor is connected with power supply device and controller,Weighing sensor provides detection signal to controller,Control switch is provided between weighing sensor and power supply device,Using above-mentioned automatic material weighing device,For PVC sheet production line,Cold-resistant PVC sheet material and antistatic PVC sheet etc. can be produced.
Description
Technical field
The utility model relates to the pipelining equipment technical field of PVC, in particular to a kind of automatic material weighing device.
Background technique
Develop as PVC squeezes out processing to scale direction, advanced material pretreatment system is essential, it is true
It protects and realizes high yield, the most important condition of high quality and low price.It is squeezed out in processing industry in PVC.Traditional mixing material method is：
Artificial ingredient, heat is mixed, cold mixes and artificial conveyance.With the continuous expansion of production scale of enterprise, this method is had been unable to meet
The needs of mass production.
Currently, the patent that Authorization Notice No. in the market is 101975605 B of CN, it discloses dynamic weighing and dispensing system,
Its structure is mainly that it includes bracket, and bracket is equipped with weighing hopper and weighing hopper is equipped with high-performance weighing sensor, high-performance
Weighing sensor output signal connects the automatically controlled signal end of control cabinet, and weighing hopper upper end feed inlet is equipped with air-actuated feeding ball valve, discharging
Mouth is equipped with pneumatic discharging ball valve, the gas control signal end of pneumatic discharging ball valve and air-actuated feeding ball valve signal termination control cabinet.
This weighing device can weigh to material, but reflect from its structure, and weighing hopper is in hanging, weighing
Sensor is fixed on bracket and is connected to the weighing realized on weighing hopper to weighing hopper, in material adding procedure, metering
Bucket, which can exist, to be shaken, to influence the connection dependability of weighing sensor, and due to being that multiple weighing sensors are protected always
Working condition is held, energy-saving effect is bad.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of automatic material weighing device, tool
There is weighing reliable, is convenient for energy-efficient advantage.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of automatic material weighing dress
It sets, including bracket, the multiple weighing sensors being fixed on bracket, is weighed weighing hopper and connection that sensor has been hung
In weighing hopper outlet material storing box, the upper end of the bracket include ring part, the hip cross being integrally attached among ring part, with
And extend out guide part from ring part, it is fixed on hip cross for weighing sensor, guide part has vertical guide rod, described
The outer wall of weighing hopper is provided with the sleeve passed through for guide rod, and the weighing sensor is connected with power supply device and controller, claims
It retransmits sensor and provides detection signal to controller, control switch is provided between weighing sensor and power supply device.
By above-mentioned setting, weighing is completed, multiple weighing sensors hang up weighing hopper at this time, when material is from meter
When increase in batch box, weighing hopper is limited by bracket, the cooperation of guide rod and sleeve especially on bracket, so that metering
Bucket is not likely to produce biggish shaking, and can since the change of weight is so that the effective movement of weighing hopper in the vertical direction,
Guide rod plays the role of guiding, the shaking of weighing hopper is reduced, and by being not easy to interfere with weighing, to effectively improve weighing
Reliability；Control switch is set between weighing sensor and power supply device simultaneously, so as to convenient for control weighing sensor
The on-off of power supply, convenient for cutting off the power, saves electric energy to reach when not in use.
Concrete scheme as the utility model can be preferably：One side of the sleeve is rotated with weighing hopper by hinge
Connection, the other end of sleeve are bolted to connection the side wall in weighing hopper.
By above-mentioned setting, during cleaning and loading and unloading weighing hopper, for the ease of sleeve is socketed on the guide bar,
It is rotated, and is bolted by hinge using between sleeve and weighing hopper as a result, realize the convenience in dismounting.
Concrete scheme as the utility model can be preferably：The sleeve is in semi-circular structure, the sleeve and guiding
Lubricating oil is added between bar.
By above-mentioned setting, sleeve is in semi-circular structure and can add lubricating oil, so that slipping is more smooth, drop
The low interference to weighing.
Concrete scheme as the utility model can be preferably：The discharge port of the weighing hopper is provided with control valve.
By above-mentioned setting, control valve can open control with the discharge port of sealing type measuring bucket, and after weighing
Valve exports material.
Concrete scheme as the utility model can be preferably：Ripple is provided between the weighing hopper and material storing box
Pipe, the both ends of the bellows seal against each other between weighing hopper and material storing box.
It is the conveying that its scalability is utilized, and is convenient for PVC powder using bellows by above-mentioned setting, and
It realizes sealing, places material leakage, and there is retractility to be convenient for weighing hopper mobile and weighing.
Concrete scheme as the utility model can be preferably：Multiple weighing sensors are specially that the first weighing passes
Sensor, the second weighing sensor, third weighing sensor, the 4th weighing sensor, the control switch are button or electronic cutting
It closes.
It is then that can manually be controlled on/off using button by above-mentioned setting, realizes energy conservation.Using electricity
Sub switch is realized and is automatically controlled.
Concrete scheme as the utility model can be preferably：When control switch is electronic switch, electronic switch packet
Include comparison circuit and execution circuit；
First weighing sensor provides detection signal；
Comparison circuit is connected to the first weighing sensor, for receiving detection signal and being compared with preset a reference value
Signal is judged with output；
Execution circuit is connected to comparison circuit, is used for according to signal is judged, to the second weighing sensor, third weighing and sensing
The power circuit progress on-off control of device, the 4th weighing sensor.
By above-mentioned setting, detection signal is provided with the first weighing sensor, so that material is substantially judged whether there is, and
In work, when material material is less, then accurate data are not needed, so only needing the first weighing sensor work
, other weighing sensor stopping movements being controlled, by electronic switch then to save electric energy.
Concrete scheme as the utility model can be preferably：The comparison circuit is when detecting signal greater than a reference value
Output judges signal, and the execution circuit is after reception judges signal to the second weighing sensor, third weighing sensor, the 4th
The power circuit of weighing sensor is connected, and under other states, execution circuit controls the second weighing sensor, third weighing
The power circuit holding cutting of sensor, the 4th weighing sensor.
By above-mentioned setting, the increase of material is a slow process, is reached between desired value in weight of material, can be with
Trial inspection is carried out, all weighing sensors is not needed and works at the same time, therefore this programme has comparison electric by automatically controlling
Road and execution circuit realize energy-efficient purpose.
In conclusion the utility model having the beneficial effect that in contrast to the prior art：
1, it is oriented to by guide rod, improves the weighing degree of reliability；
2, the structure of sleeve to assemble relatively convenient；
3, the design of electronic switch can reach effective energy-efficient effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the structural schematic diagram of bracket；
Fig. 3 is the electrical block diagram of embodiment.
Appended drawing reference：1, bracket；11, ring part；12, hip cross；13, guide part；131, guide rod；2, weighing hopper；3,
Material storing box；4, sleeve；5, power supply device；6, controller；7, control switch；8, hinge；9, bolt；20, control valve；21, ripple
Pipe；22, the first weighing sensor；23, the second weighing sensor；24, third weighing sensor；25, the 4th weighing sensor；
26, comparison circuit；27, execution circuit.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：
A kind of automatic material weighing device, material are mainly PVC powder.As shown in Figure 1, including bracket 1, being fixed on bracket 1
Multiple weighing sensors, the material storing box 3 that is weighed weighing hopper 2 that sensor has been hung and is connected to the outlet of weighing hopper 2.
Multiple weighing sensors are specially the first weighing sensor 22, the second weighing sensor 23, the title of third weighing sensor the 24, the 4th
Retransmit sensor 25.4th weighing sensor 25 is blocked in Fig. 1 not to be illustrated.Using above-mentioned automatic material weighing device, it to be used for PVC
On sheet production line, cold-resistant PVC sheet material and antistatic PVC sheet etc. can be produced
Referring to figs. 1 and 2, the upper end of bracket 1 includes ring part 11, the cross for being integrally attached to 11 centre of ring part
It portion 12 and extends out guide part 13 from ring part 11.Hip cross 12 is in cross shape.For weighing and sensing on hip cross 12
Device is fixed.Guide part 13 has vertical guide rod 131, guide part 13 substantially in the shape of digital " 7 ", and get off vertically that
Part is guide rod 131, and section is circle.The outer wall of weighing hopper 2 is provided with the sleeve 4 passed through for guide rod 131, sleeve 4
It is rotatablely connected on one side with weighing hopper 2 by hinge 8, the other end of sleeve 4 is fixedly connected on the side wall of weighing hopper 2 by bolt 9.
During cleaning and loading and unloading weighing hopper 2, for the ease of sleeve 4 to be socketed on guide rod 131,4 He of sleeve is used as a result,
It is rotated between weighing hopper 2 by hinge 8, and is fixed by bolt 9, realize the convenience in dismounting.
Sleeve 4 is in semi-circular structure, and lubricating oil is added between sleeve 4 and guide rod 131.Sleeve 4 in semi-circular structure and
Lubricating oil can be added, so that slipping is more smooth, reduces the interference to weighing.
The discharge port of weighing hopper 2 is provided with control valve 20.Control valve 20 can claimed with the discharge port of sealing type measuring bucket 2
After weight, control valve 20 can be opened, material is exported.
Be provided with bellows 21 between weighing hopper 2 and material storing box 3, the both ends of bellows 21 weighing hopper 2 and material storing box 3 it
Between seal against each other.It is the conveying that its scalability is utilized, and is convenient for PVC powder using bellows 21, and realizes sealing,
Material leakage is placed, and has retractility mobile convenient for weighing hopper 2 and weighs.
Weighing is completed, multiple weighing sensors hang up weighing hopper 2 at this time, when material increases from weighing hopper 2
When, weighing hopper 2 is limited by bracket 1, the cooperation of guide rod 131 and sleeve 4 especially on bracket 1, so that weighing hopper 2
It is not likely to produce biggish shaking, and can be since the change of weight is so that the effective movement of weighing hopper 2 in the vertical direction, leads
Play the role of guiding to bar 131, the shaking of weighing hopper 2 is reduced, and by being not easy to interfere with weighing, to effectively improve weighing
Reliability.
Circuit connection structure part is further illustrated below with reference to Fig. 3.
Weighing sensor is connected with power supply device 5 and controller 6, and weighing sensor provides detection signal to controller 6, claims
It retransmits and is provided with control switch 7 between sensor and power supply device 5.Four weighing sensors be specially the first weighing sensor 22,
Second weighing sensor 23, third weighing sensor 24, the 4th weighing sensor 25.First weighing sensor 22 leads to button control
Power supply.It is then that can manually be controlled on/off using button, realizes energy conservation.
Second weighing sensor 23, third weighing sensor 24, the 4th weighing sensor 25 use electronic switch, realize certainly
Dynamic control.
When control switch 7 is electronic switch, electronic switch includes comparison circuit 26 and execution circuit 27.First weighing
Sensor 22 provides detection signal；Comparison circuit 26 is connected to the first weighing sensor 22, for receive detection signal and with it is pre-
If a reference value be compared to export judgement signal；Execution circuit 27 is connected to comparison circuit 26, for according to judging signal,
On-off control is carried out to the power circuit of the second weighing sensor 23, third weighing sensor 24, the 4th weighing sensor 25.
The output when detecting signal and being greater than a reference value of comparison circuit 26 judges signal, and execution circuit 27 judges signal in reception
The power circuit of the second weighing sensor 23, third weighing sensor 24, the 4th weighing sensor 25 is connected afterwards, at it
Under his state, execution circuit 27 controls the electricity of the second weighing sensor 23, third weighing sensor 24, the 4th weighing sensor 25
Source route keeps cutting.
Comparison circuit 26 includes comparator LM1, resistance R1, resistance R2 and potentiometer Rp1, and signal S1 is the first weighing and sensing
The inspection signal that device 22 exports, this signal S1 pass through the non-inverting input terminal of resistance R1 connection comparator LM1, and voltage vcc passes through electricity
R2 and potentiometer Rp1 ground connection is hindered, the inverting input terminal that reference signal Vref1 is supplied to comparator LM1 is then formed.Execution circuit
27 include resistance R3, triode Q1 and relay, and one end of the coil K1 of relay connects voltage vcc, the other end of coil K1
The collector of connecting triode Q1, the basis set of triode Q1 pass through the output end of resistance R3 connection comparator LM1, triode Q1's
Emitter ground connection, relay also have normally opened contact K1-1, K1-2, K1-3, this normally opened contact controls above-mentioned second respectively and claims
Retransmit the power circuit on-off of sensor 23, third weighing sensor 24, the 4th weighing sensor 25.
Detection signal is provided with the first weighing sensor 22, to substantially judge whether there is material, and is in work, object
When material material is less, then accurate data are not needed, so only needing the first weighing sensor 22 work, then
Other weighing sensor stopping movements being controlled, by electronic switch to save electric energy.
The increase of material is a slow process, reaches between desired value in weight of material, can carry out trial inspection
, do not need all weighing sensors and work at the same time, therefore this programme is by automatically controlling, there is comparison circuit 26 and executing electricity
Realize energy-efficient purpose in road 27.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the protection scope of the utility model is determined by the attached claims.
Claims (8)
1. a kind of automatic material weighing device including bracket (1), the multiple weighing sensors being fixed on bracket (1), is weighed sensing
The weighing hopper (2) and be connected to the material storing box (3) that weighing hopper (2) export that device has been hung, it is characterised in that：The bracket (1)
Upper end include ring part (11), be integrally attached to the intermediate hip cross (12) of ring part (11) and prolong from ring part (11)
It stretches guide part (13), hip cross is fixed on (12) for weighing sensor, and guide part (13) has vertical guide rod
(131), the outer wall of the weighing hopper (2) is provided with the sleeve (4) passed through for guide rod (131), the weighing sensor connection
There are power supply device (5) and controller (6), weighing sensor provides detection signal and gives controller (6), weighing sensor and power supply dress
It sets and is provided with control switch (7) between (5).
2. automatic material weighing device according to claim 1, it is characterised in that：One side of the sleeve (4) and weighing hopper (2)
It is rotatablely connected by hinge (8), the other end of sleeve (4) is fixedly connected on the side wall of weighing hopper (2) by bolt (9).
3. automatic material weighing device according to claim 2, it is characterised in that：The sleeve (4) is in semi-circular structure, the set
Lubricating oil is added between cylinder (4) and guide rod (131).
4. automatic material weighing device according to claim 1, it is characterised in that：The discharge port of the weighing hopper (2) is provided with
Control valve (20).
5. automatic material weighing device according to claim 1, it is characterised in that：Between the weighing hopper (2) and material storing box (3)
It is provided with bellows (21), the both ends of the bellows (21) seal against each other between weighing hopper (2) and material storing box (3).
6. automatic material weighing device according to claim 1, it is characterised in that：Multiple weighing sensors are specially first
Weighing sensor (22), the second weighing sensor (23), third weighing sensor (24), the 4th weighing sensor (25), it is described
Control switch (7) is button or electronic switch.
7. automatic material weighing device according to claim 6, it is characterised in that：When control switch (7) are electronic switch, electricity
Sub switch includes comparison circuit (26) and execution circuit (27)；
First weighing sensor (22) provides detection signal；
Comparison circuit (26) is connected to the first weighing sensor (22), for receiving detection signal and carrying out with preset a reference value
Compare to export judgement signal；
Execution circuit (27) is connected to comparison circuit (26), is used for according to signal is judged, to the second weighing sensor (23), third
The power circuit progress on-off control of weighing sensor (24), the 4th weighing sensor (25).
8. automatic material weighing device according to claim 7, it is characterised in that：The comparison circuit (26) is big in detection signal
Output judge signal when a reference value, the execution circuit (27) after reception judges signal to the second weighing sensor (23),
Third weighing sensor (24), the 4th weighing sensor (25) power circuit connected, under other states, execution circuit
(27) the power circuit guarantor of the second weighing sensor (23), third weighing sensor (24), the 4th weighing sensor (25) is controlled
Hold cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820397767.6U CN208171417U (en) | 2018-03-22 | 2018-03-22 | Automatic material weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820397767.6U CN208171417U (en) | 2018-03-22 | 2018-03-22 | Automatic material weighing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208171417U true CN208171417U (en) | 2018-11-30 |
Family
ID=64375746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820397767.6U Expired - Fee Related CN208171417U (en) | 2018-03-22 | 2018-03-22 | Automatic material weighing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208171417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351559A (en) * | 2018-12-20 | 2020-06-30 | 梅特勒-托利多(常州)测量技术有限公司 | Weighing system |
-
2018
- 2018-03-22 CN CN201820397767.6U patent/CN208171417U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351559A (en) * | 2018-12-20 | 2020-06-30 | 梅特勒-托利多(常州)测量技术有限公司 | Weighing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20210322 |