CN201945365U - Accurate powder weighing machine - Google Patents
Accurate powder weighing machine Download PDFInfo
- Publication number
- CN201945365U CN201945365U CN2011200619348U CN201120061934U CN201945365U CN 201945365 U CN201945365 U CN 201945365U CN 2011200619348 U CN2011200619348 U CN 2011200619348U CN 201120061934 U CN201120061934 U CN 201120061934U CN 201945365 U CN201945365 U CN 201945365U
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- Prior art keywords
- screw
- metering
- powder body
- dosing machine
- valve plate
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Abstract
The utility model relates to an accurate powder weighing machine, which comprises an outlet hopper, a metering screw, a screw driving part, a main material hopper and a sealing part. The lateral wall of the outlet hopper is communicated with the lateral wall of the main material hopper through a screw groove or a screw sleeve, the metering screw comprises a first end part and a second end part and traversely penetrates through the outlet hopper, and the first end part penetrates through the screw groove or the screw sleeve. The screw driving part is connected with the second end part and used for driving the metering screw to rotate, and the sealing part removably seals the screw groove or a discharge hole of the screw sleeve. Preferably, the sealing part comprises a valve plate and a valve plate driving part, the valve plate driving part is installed on the main material hopper and arranged relative to the screw groove or the discharge hole of the screw sleeve. The accurate power weighing machine is unique and ingenious in design, and capable of improving the accuracy of metering, thereby realizing accurate metering, reducing metering error, and is suitable for large-scale promotion and application.
Description
Technical field
The utility model relates to the dosing machine technical field, and particularly powder body dosing machine technical field specifically is meant the accurate powder body of a kind of metering dosing machine.
Background technology
The metering of plastics subsidiary engine industry at present carries material to mainly contain particle, powder, pulverizing material etc.Wherein traditional dosing machine carries particle more.Because the powder body material cost is lower, in the rubber and plastic industry, use powder more and more at present as the phenomenon of adding material.But in the existing powder body dosing machine some shortcomings part is arranged: the vibrations of make-up machine are influential to delivery precision.
For example, in the prior art, in the Chinese utility model patent instructions of the patent No. 200920212526.0 a kind of powder metering conveying device is disclosed, this device can be carried powder by automatic gauge, and quantification stability is easy to use, need not the manually-operated powder, environmental protection, safety.Interpolation material powder is placed directly in the storage on a small quantity of main frame (injection machine, extruder etc.) top, and the below of storage hopper is provided with self-measuring device, during control directly and main frame link.Its weak point is that screw rod one end in the metering supply unit is fixed, and the other end is unsettled.In metering process or after the metering end, when vibrations take place external environment (as injection machine, extruder etc.), whole metering and conveying device is shaken, thereby caused the shake of screw rod free end, the material in the screw rod is dropped, the precision that influence is measured.
Owing to there is above-mentioned defective, therefore, need the accurate powder body of a kind of metering dosing machine, its metering is accurate, and error in dipping is little.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, and the accurate powder body of a kind of metering dosing machine is provided, and it is unique ingenious that this measures accurate powder body dosing machine design, can improve measuring accuracy, thereby metering accurately, reduces error in dipping, is suitable for large-scale promotion application.
To achieve these goals, the accurate powder body of metering of the present utility model dosing machine, comprise discharge bucket, metering screw, screw drive parts and main material bucket, the sidewall of the sidewall of described discharge bucket and described main material bucket is communicated with by screw slot or screw sleeve, described metering screw comprises first end and the second end, described metering screw laterally wears described discharge bucket and described first end is located in described screw slot or the screw sleeve, described screw drive parts connect described the second end and are used to drive described metering screw rotation, be characterized in, the accurate powder body of described metering dosing machine also comprises seal member, and described seal member seals the discharging opening of described screw slot or screw sleeve removedly.
Preferably, described seal member comprises valve plate and valve plate driver part, described valve plate driver part is installed on the described main material bucket and is oppositely arranged with the discharging opening of described screw slot or screw sleeve, described valve plate driver part connects described valve plate and is used for flexible described valve plate, and described valve plate seals the discharging opening of described screw slot or screw sleeve removedly.
More preferably, described valve plate driver part is a cylinder.
Preferably, described screw drive parts are measure motors, and the output shaft of described measure motor connects described the second end.
More preferably, the accurate powder body of described metering dosing machine also comprises bearing, and the output shaft of described measure motor connects described the second end by described bearing.
Preferably, the accurate powder body of described metering dosing machine comprises that also adding material stores hopper, and described interpolation material storage hopper is installed on the described discharge bucket and with described discharge bucket material road and is communicated with.
Preferably, described screw slot or screw sleeve extend in the described main material bucket, thereby described discharging opening is positioned at described main material bucket.
More preferably, described screw slot or screw sleeve extend into center in the described main material bucket, thereby described discharging opening is positioned at described main material bucket center.
Preferably, the accurate powder body of described metering dosing machine also comprises the host driven parts, and described host driven parts are connected by signal link with described screw drive parts.
More preferably, described host driven parts are main motors.
The beneficial effects of the utility model are:
1, the accurate powder body of metering of the present utility model dosing machine seals the discharging opening of screw slot or screw sleeve removedly by seal member, thereby in metering process, open the discharging opening of screw slot or screw sleeve, finish the discharging opening of back sealing screw slot or screw sleeve in metering, preventing to measure the material that the shake of whole device makes the metering screw shake cause after finishing falls, thereby improve measuring accuracy, reduce error in dipping, design is unique ingenious, is suitable for large-scale promotion application.
2, the seal member of the accurate powder body of metering of the present utility model dosing machine comprises valve plate and valve plate driver part, thereby seal the discharging opening of screw slot or screw sleeve removedly by the flexible realization of valve plate driver part drive valve plate, design is unique ingenious, easy and simple to handle, be suitable for large-scale promotion application.
Description of drawings
Fig. 1 is that the master that a specific embodiment of the accurate powder body of metering of the present utility model dosing machine is installed on the main frame looks perspective diagram.
Fig. 2 is the schematic diagram in top down perspective of specific embodiment A-A position shown in Figure 1.
Fig. 3 is that perspective diagram is looked on the right side of specific embodiment shown in Figure 1.
Fig. 4 is that the partial left of specific embodiment shown in Figure 1 is looked perspective diagram.
Embodiment
In order more to be expressly understood technology contents of the present utility model, be elaborated especially exemplified by following examples.
See also shown in Fig. 1～4, the accurate powder body of metering of the present utility model dosing machine comprises discharge bucket 1, metering screw 2, screw drive parts 3, main material bucket 4 and seal member 5, the sidewall of the sidewall of described discharge bucket 1 and described main material bucket 4 is communicated with by screw slot 6 or screw sleeve (not shown), described metering screw 2 comprises first end 21 and the second end 22, described metering screw 2 laterally wears described discharge bucket 1 and described first end 21 is located in described screw slot 6 or the screw sleeve, described screw drive parts 3 connect described the second end 22 and are used to drive described metering screw 2 rotations, and described seal member 5 seals the discharging opening of described screw slot 6 or screw sleeve removedly.See also shown in Figure 1ly, in specific embodiment of the utility model, the sidewall of the sidewall of described discharge bucket 1 and described main material bucket 4 is communicated with by screw slot 6.
Described seal member 5 can be any suitable seal member, for example localized immobilization is at the elastic sealing strip at the discharging opening place of screw slot 6 or screw sleeve, squeeze during discharging and open elastic sealing strip, discharging stops 2 counter-rotatings of back metering screw, and elastic sealing strip resets and realizes sealing.Preferably, described seal member 5 comprises valve plate 51 and valve plate driver part 52, described valve plate driver part 52 is installed on the described main material bucket 4 and is oppositely arranged with the discharging opening of described screw slot 6 or screw sleeve, described valve plate driver part 52 connects described valve plate 51 and is used for flexible described valve plate 51, and described valve plate 51 seals the discharging opening of described screw slot 6 or screw sleeve removedly.See also Fig. 1, Fig. 2 and shown in Figure 4, in specific embodiment of the utility model, described valve plate driver part 52 is cylinders.
Described screw drive parts 3 can be any suitable driver parts.Preferably, described screw drive parts 3 are measure motors, and the output shaft of described measure motor connects described the second end 22.See also Fig. 1～shown in Figure 3, in specific embodiment of the utility model, the accurate powder body of described metering dosing machine also comprises bearing 7, and the output shaft of described measure motor connects described the second end 22 by described bearing 7.
Powder body in the discharge bucket 1 can manually add.See also Fig. 1 and shown in Figure 3, in specific embodiment of the utility model, the accurate powder body of described metering dosing machine comprises that also adding material stores hopper 8, and described interpolation material storage hopper 8 is installed on the described discharge bucket 1 and with described discharge bucket 1 material road and is communicated with.
Described screw slot 6 or screw sleeve can not extend in the described main material bucket 4.Preferably, described screw slot 6 or screw sleeve extend in the described main material bucket 4, thereby described discharging opening is positioned at described main material bucket 4.See also illustrated in figures 1 and 2ly, in specific embodiment of the utility model, described screw slot 6 or screw sleeve extend into centers in the described main material bucket 4, thereby described discharging opening is positioned at described main material bucket 4 centers.
The accurate powder body of described metering dosing machine can manually be opened.Preferably, the accurate powder body of described metering dosing machine also comprises host driven parts 9, and described host driven parts 9 are connected by signal link with described valve plate driver part 52 and described screw drive parts 3 respectively, thereby realize interlock.Certainly, also can be described host driven parts 9 be connected by signal link with described screw drive parts 3, and described screw drive parts 3 and described valve plate driver part 52 are connected by signal link, realize interlock.See also shown in Figure 1ly, in specific embodiment of the utility model, described host driven parts 9 are main motors.
See also shown in Figure 1ly, in specific embodiment of the utility model, because described discharging opening is positioned at described main material bucket 4 centers, thereby metering screw 2 (first end 21) stretches into main material bucket 4, places above the center of main material bucket 4; Cylinder is installed on main material bucket 4 sides, the stretching on the center line of metering screw 2 of its output shaft, and main material bucket 4 is equipped with spot check door 10 and demarcation strip 11; More than all parts all be assembled on the main frame 12, the lower end of main material bucket 4 outlet is connected with main frame 12 flanges, the below is the screw rod 13 of main frame 12.
During work, when the screw rod 13 of main frame 12 turns round, main motor provides the interlock signal to measure motor and cylinder, measure motor drives metering screw 2 revolutions, cylinder operation is opened valve plate 51 simultaneously, add material and store the interpolation material in bottom discharge bucket 1 that hopper 8 falls and be transported to the center of main material bucket 4, fall, be delivered in the forming machine through the screw rod 13 that demarcation strip 11 sides enter main frame 12 with other materials in the main material bucket 4 from the discharging opening of screw slot 6 by metering screw 2.
The principle of work of the accurate powder body of metering of the present utility model dosing machine is described as follows:
1. machine installs, and power lead inserts, and main motor CRANK PULSES line inserts;
2. store input interpolation material in the hopper 8 to adding material;
3. by main frame moulding product total amounts (Q), add the number percent (η) that material contains, calculate the amount (q) of the required interpolation material of each moulding, q=Q* η;
4. the amount (q) by molding time (T) and required interpolation material calculates the feeding speed (V1) that adds material, V1=q/T;
5. come the speed regulator of manual adjustments main motor according to feeding speed (V1);
6. feed amount and motor speed (V2) need do in advance experiment obtain corresponding, the proportional relation of motor speed and operational throughput, but non-complete linear relationship.
7. test method:
A: prepare container, whole measuring apparatus is extracted out;
B: regulate rate-of-turn record, set the metering time, selector switch is changed to " manually ", by " running " button.
C: material weight is added in weighing, repeats 10 times, averages and promptly obtains the quantity of material of certain rotating speed.
D: regulate rotating speed and record once more, repeat above action, obtain the operational throughput of this rotating speed.
8. according to actual use amount speed regulator being transferred to required rotating speed (V2) gets final product.
9. reinstall measuring apparatus after the end of test (EOT).
Guarantee the measuring accuracy method:
1, measure motor speed of gyration can be come the velometer accuracy of measurement by the motor of changing different reduction gear ratio;
2, metering screw 2 thickness adjustable gauge accuracies of measurement, screw rod is thin more, and precision is high more.
When selecting this machine, need the above method of root a tree name to determine the specification of buncher (being measure motor) and metering screw 2 at every turn.
The biggest advantage of the accurate powder body of metering of the present utility model dosing machine is:
(1) adopts valve plate 51 sealings, prevent to measure finishing after the material whereabouts that the shake because of metering screw 2 causes, the measuring accuracy height.
(2) top of the blending bin of main frame 12 tops (being main material bucket 4) can be provided with plurality of devices, as carries main material with hopper or dryer etc.
(3) can measure multiple material, as particle, pulverizing material, powder etc.
To sum up, the design of the accurate powder body of metering of the present utility model dosing machine is unique ingenious, can improve measuring accuracy, thereby metering accurately, reduces error in dipping, is suitable for large-scale promotion application.
In this instructions, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. one kind is measured accurate powder body dosing machine, comprise discharge bucket, metering screw, screw drive parts and main material bucket, the sidewall of the sidewall of described discharge bucket and described main material bucket is communicated with by screw slot or screw sleeve, described metering screw comprises first end and the second end, described metering screw laterally wears described discharge bucket and described first end is located in described screw slot or the screw sleeve, described screw drive parts connect described the second end and are used to drive described metering screw rotation, it is characterized in that, the accurate powder body of described metering dosing machine also comprises seal member, and described seal member seals the discharging opening of described screw slot or screw sleeve removedly.
2. the accurate powder body of metering according to claim 1 dosing machine, it is characterized in that, described seal member comprises valve plate and valve plate driver part, described valve plate driver part is installed on the described main material bucket and is oppositely arranged with the discharging opening of described screw slot or screw sleeve, described valve plate driver part connects described valve plate and is used for flexible described valve plate, and described valve plate seals the discharging opening of described screw slot or screw sleeve removedly.
3. the accurate powder body of metering according to claim 2 dosing machine is characterized in that described valve plate driver part is a cylinder.
4. the accurate powder body of metering according to claim 1 dosing machine is characterized in that described screw drive parts are measure motors, and the output shaft of described measure motor connects described the second end.
5. the accurate powder body of metering according to claim 4 dosing machine is characterized in that the accurate powder body of described metering dosing machine also comprises bearing, and the output shaft of described measure motor connects described the second end by described bearing.
6. the accurate powder body of metering according to claim 1 dosing machine, it is characterized in that, the accurate powder body of described metering dosing machine comprises that also adding material stores hopper, and described interpolation material storage hopper is installed on the described discharge bucket and with described discharge bucket material road and is communicated with.
7. the accurate powder body of metering according to claim 1 dosing machine it is characterized in that described screw slot or screw sleeve extend in the described main material bucket, thereby described discharging opening is positioned at described main material bucket.
8. the accurate powder body of metering according to claim 7 dosing machine is characterized in that, described screw slot or screw sleeve extend into center in the described main material bucket, thereby described discharging opening is positioned at described main material bucket center.
9. the accurate powder body of metering according to claim 1 dosing machine is characterized in that the accurate powder body of described metering dosing machine also comprises the host driven parts, and described host driven parts are connected by signal link with described screw drive parts.
10. the accurate powder body of metering according to claim 9 dosing machine is characterized in that described host driven parts are main motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200619348U CN201945365U (en) | 2011-03-10 | 2011-03-10 | Accurate powder weighing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200619348U CN201945365U (en) | 2011-03-10 | 2011-03-10 | Accurate powder weighing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201945365U true CN201945365U (en) | 2011-08-24 |
Family
ID=44472704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200619348U Expired - Lifetime CN201945365U (en) | 2011-03-10 | 2011-03-10 | Accurate powder weighing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN201945365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192775A (en) * | 2011-03-10 | 2011-09-21 | 川田机械制造(上海)有限公司 | Powder particle metering machine capable of accurately metering |
-
2011
- 2011-03-10 CN CN2011200619348U patent/CN201945365U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192775A (en) * | 2011-03-10 | 2011-09-21 | 川田机械制造(上海)有限公司 | Powder particle metering machine capable of accurately metering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110824 |