CN218892713U - Powder material weighing, metering and filling mechanism - Google Patents
Powder material weighing, metering and filling mechanism Download PDFInfo
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- CN218892713U CN218892713U CN202223314850.8U CN202223314850U CN218892713U CN 218892713 U CN218892713 U CN 218892713U CN 202223314850 U CN202223314850 U CN 202223314850U CN 218892713 U CN218892713 U CN 218892713U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a powder material weighing, metering and filling mechanism which comprises double-screw filling assembly, weighing assembly and bag opening assembly, wherein the double-screw filling assembly comprises a first screw filling mechanism and a second screw filling mechanism, the first screw filling mechanism is used for coarsely filling a packaging bag, when the weight of the packaging bag is close to a target value, the second screw filling mechanism is used for high-precision feeding of the packaging bag after coarsely filling, and the accuracy of the material filling amount can be improved through two filling operations in sequence, so that the control stability of the weight of the packaging bag is improved. And the weighing assembly is used for detecting the weight of the material package, if the detected weight value is different from the target weight, the next operation adjusts the material filling quantity of the second screw rod filling mechanism according to the fed-back weight difference value, and the error of the weight of the subsequent material package is reduced; similarly, each cycle operation adjusts the high-precision feeding weight according to the previous weight difference value, so as to ensure that the error of the weight of the material packet is reduced to the maximum extent.
Description
Technical Field
The utility model relates to the technical field of packaging machinery, in particular to a powder material weighing, metering and filling mechanism.
Background
The packaging bag is a bag which uses polymer compounds such as plastics and the like as raw materials and is used for producing various articles in daily life and industrial production.
In the field of packaging machinery for powder and granular materials, the main operation steps are filling procedures for the materials, a door opening and closing hopper structure is commonly adopted in the prior art for blanking (for example, a granular filling machine disclosed in Chinese patent document with publication number of CN 110143304A), and the following defects and defects exist in the structural design mode: after the filling operation is finished on the packaging bag, data feedback of the weight of the material bag is not available (namely the weight information of the material bag cannot be obtained), so that the filling amount of materials cannot be adjusted with high precision, and the control stability of the weight of the material bag is lower.
Therefore, there is a need in the art to provide a material filling mechanism with a high precision adjustment function.
Disclosure of Invention
In order to solve the technical problem that the material filling quantity cannot be adjusted with high precision due to the fact that the material bag weight information cannot be obtained in the prior art, the utility model provides a powder material weighing, metering and filling mechanism.
The utility model adopts the technical proposal for solving the problems that:
a powder material weighing, metering and filling mechanism, comprising:
the double-screw material filling assembly comprises a mounting frame, a first screw material filling mechanism and a second screw material filling mechanism which are fixedly mounted on the mounting frame, wherein discharge holes are formed in the bottoms of the first screw material filling mechanism and the second screw material filling mechanism;
the weighing assembly comprises a support, a weighing module arranged on the support and a guardrail structure arranged on the weighing module;
wherein, the discharge gate is used for filling the material to the wrapping bag, guardrail structure is used for bearing wrapping bag, weighing module is used for detecting the total weight of wrapping bag and material.
In a first embodiment of the utility model, a technical solution is provided with respect to a specific structural arrangement of a twin-screw filling assembly.
The double-screw filling assembly further comprises a dust cover, and the dust cover is arranged at the discharge hole.
Further, the first screw filling mechanism and the second screw filling mechanism comprise a shell and a screw, and the screw is rotatably arranged in the shell and used for sending out materials in the shell.
In a second embodiment of the utility model, a technical solution is provided with respect to a specific structural arrangement of the weighing assembly.
The first screw filling mechanism and the second screw filling mechanism further comprise a servo motor, and the output end of the servo motor is fixedly connected with the screw and used for driving the screw to rotate.
Further, the guardrail structure is arranged at the bottom of the second screw filling mechanism, so that the weighing module detects the total weight of the packaging bags and the materials filled by the second screw filling mechanism.
Further, a plurality of weight sensors are arranged in the weighing module, and the guardrail structure is pressed on the weight sensors.
In a third embodiment of the present utility model, a technical solution is provided with respect to a specific structural arrangement of the bag opening assembly.
The powder material weighing, metering and filling mechanism further comprises a bag opening assembly, wherein the bag opening assembly comprises a mounting plate, a first bag opening door plate and a second bag opening door plate, the mounting plate is fixedly arranged on the mounting frame, and the first bag opening door plate and the second bag opening door plate are slidably and rotatably arranged on the mounting plate.
Further, the bag opening assembly further comprises a rotating block, a first connecting rod and a second connecting rod, the rotating block is rotatably arranged on the mounting plate, two ends of the first connecting rod are respectively and rotatably connected with the first end part of the rotating block and the first bag opening door plate, and two ends of the second connecting rod are respectively and rotatably connected with the second end part of the rotating block and the second bag opening door plate.
Further, the bag opening assembly further comprises an air cylinder, and the output end of the air cylinder is rotatably connected with the first end part of the rotating block or the second end part of the rotating block and used for driving the rotating block to rotate.
Further, the first bag opening door plate and the second bag opening door plate are fixedly connected with sliding blocks, guide rails extending along the horizontal direction are arranged on the mounting plate, and the sliding blocks are slidably connected with the guide rails.
In summary, compared with the prior art, the powder material weighing, metering and filling mechanism provided by the utility model has at least the following technical effects:
1) In the powder material weighing, metering and filling mechanism provided by the utility model, the double-screw filling assembly is provided with the first screw filling mechanism and the second screw filling mechanism, the first screw filling mechanism is used for coarsely filling the packaging bags, when the weight of a material bag is close to a target value, the second screw filling mechanism is used for carrying out high-precision feeding on the packaging bags after coarsely filling, the precision of the material filling amount can be improved through two sequential filling operations, and the control stability of the weight of the material bag is improved;
2) In the powder material weighing, metering and filling mechanism provided by the utility model, a guardrail structure and a weighing module are arranged in a weighing assembly way, the guardrail structure is used for supporting a material packet subjected to twice filling, the weighing module is used for detecting the weight of the material packet (namely the total weight of a packaging bag and materials), and if the detected weight value is different from the target weight, the next operation is to adjust the material filling amount of the second screw rod filling mechanism according to the fed-back weight difference, so that the error of the weight of a subsequent material packet is reduced; and similarly, each circulation operation adjusts the high-precision feeding weight of the second screw feeding mechanism according to the previous weight difference value, so as to ensure that the error of the weight of the material packet is reduced to the maximum extent.
Drawings
FIG. 1 is a schematic structural view of a powder material weighing, metering and filling mechanism of the utility model;
FIG. 2 is a schematic structural view of a twin screw filling mechanism of the present utility model;
FIG. 3 is a cross-sectional view of a twin screw filling mechanism of the present utility model;
FIG. 4 is a schematic view of the bag opening mechanism of the present utility model;
FIG. 5 is a schematic view of the bag opening door panel of the present utility model in a closed condition;
FIG. 6 is a schematic view of the bag opening door panel of the present utility model in an open state;
FIG. 7 is a schematic view of the weighing mechanism of the present utility model;
wherein the reference numerals have the following meanings:
1. double-screw filling and assembling; 11. a mounting frame; 12. a first screw filling mechanism; 13. a second screw filling mechanism; 14. a dust cover; 15. a housing; 16. a screw; 17. a servo motor; 2. opening a bag and assembling; 21. a mounting plate; 22. a first bag opening door panel; 23. a second bag opening door panel; 24. a rotating block; 25. a first connecting rod; 26. a second connecting rod; 27. a cylinder; 3. weighing and assembling; 31. a support; 32. a weighing module; 33. guardrail structure.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1 and 2, according to an embodiment of the present utility model, a powder material weighing, metering and filling mechanism includes a double-screw filling assembly 1, where the double-screw filling assembly 1 includes a mounting frame 11, and a first screw filling mechanism 12 and a second screw filling mechanism 13 fixedly installed on the mounting frame 11, and discharge ports are provided at bottoms of the first screw filling mechanism 12 and the second screw filling mechanism 13, and the discharge ports are used for filling materials into a packaging bag a. Specifically, the first screw filling mechanism 12 is used for performing coarse filling on the packaging bag a, when the weight of the material package is close to the target value, the second screw filling mechanism 13 performs high-precision feeding on the packaging bag a after coarse filling is completed, and the precision of the material filling amount can be improved through two sequential filling operations, so that the control stability of the weight of the material package is improved.
Referring to fig. 1 and 7, the powder material weighing, metering and filling mechanism further comprises a weighing assembly 3, wherein the weighing assembly 3 comprises a support 31, a weighing module 32 arranged on the support 31, and a guardrail structure 33 arranged on the weighing module 32. Wherein, weighing module 32 sets up at the top of support 31, and weighing module 32 setting is inserted to the bottom of guardrail structure 33. Specifically, when the package bag a (i.e., the bag) containing the material is placed on the guardrail structure 33, the bag applies a downward force to the guardrail structure 33 under the action of gravity, and the guardrail structure 33 directly acts on the weighing module 32, so that the weight value of the bag can be detected and obtained by the weighing module 32.
In the technical scheme of this embodiment, the guardrail structure 33 is used for supporting the material package after the high-precision material supplement of the second screw filling mechanism 13, the weighing module 32 is used for detecting the weight of the material package (i.e. the total weight of the packaging bag a and the material), and if the detected weight value is different from the target weight, the next filling operation adjusts the material filling amount of the second screw filling mechanism 13 according to the fed-back weight difference, so as to reduce the difference between the weight of the subsequent material package and the target weight. Similarly, each cycle operation adjusts the high-precision feeding weight of the second screw feeding mechanism 13 according to the previous weight difference value, so as to ensure that the error of the weight of the material packet is reduced maximally.
Example 1
In a first embodiment of the utility model, a technical solution is provided concerning a specific structural arrangement of a twin-screw filling assembly 1.
Referring to fig. 3, in the technical solution of this embodiment, the twin-screw filling assembly 1 further includes a dust cover 14, and the dust cover 14 is disposed at the discharge ports of the first screw filling mechanism 12 and the second screw filling mechanism 13. Specifically, the dust cover 14 is a semi-closed structure with a downward opening, and a baffle structure is arranged on the periphery of the dust cover for adsorbing dust, so that dust is prevented from being raised in the powder material filling process.
In a preferred version of this embodiment, as shown in fig. 3, the first screw filling mechanism 12 and the second screw filling mechanism 13 each comprise a housing 15 and a screw 16, the screw 16 being rotatably arranged inside the housing 15, the screw 16 being adapted to feed material out of the housing 15. Specifically, the screw 16 is disposed to extend in the vertical direction, the screw 16 is provided on the outer peripheral side thereof with a screw blade disposed in the longitudinal direction thereof, and the screw 16 feeds out the material in the housing 15 from the discharge ports of the first screw charging mechanism 12 and the second screw charging mechanism 13 through the screw blade during rotation.
Referring to fig. 3, in another preferred embodiment of the present embodiment, the first screw filling mechanism 12 and the second screw filling mechanism 13 further include a servo motor 17, an output end of the servo motor 17 is fixedly connected with the screw 16, and the servo motor 17 is used for driving the screw 16 to rotate, so as to send the materials in the housing 15 out from the discharge ports of the first screw filling mechanism 12 and the second screw filling mechanism 13, respectively, to complete the material filling operation.
Example 2
In a second embodiment of the utility model, a solution is provided concerning the specific structural arrangement of the weighing assembly 3.
Referring to fig. 1, in the technical solution of this embodiment, a guardrail structure 33 is disposed at the bottom of the second screw filling mechanism 13, so that the weighing module 32 detects the total weight (i.e., the weight of the package) of the package a and the material filled by the second screw filling mechanism 13. Wherein, set up the guardrail structure 33 in the bottom of second screw rod filling mechanism 13, can ensure that the last parcel that is placed of guardrail structure 33 after the twice material that fills to ensure that weighing module 32 detects the parcel weight after the twice material that fills, the final weight of parcel in one of them process promptly.
In a preferred version of this embodiment, the interior of the weighing module 32 is provided with a number of weight sensors against which the guardrail structure 33 is crimped. Specifically, when a bale is placed on the guardrail structure 33, the guardrail structure 33 applies downward force to slightly deform the weight sensor, ultimately converting the weight signal into an electrical signal to obtain a weight parameter.
Example 3
In a third embodiment of the utility model, a technical solution is provided concerning a specific structural arrangement of the bag opening assembly 2.
Referring to fig. 4, in the technical solution of this embodiment, the powder material weighing, metering and filling mechanism further includes a bag opening assembly 2, where the bag opening assembly 2 includes a mounting plate 21, a first bag opening door plate 22 and a second bag opening door plate 23, the mounting plate 21 is fixedly disposed on the mounting frame 11, and the first bag opening door plate 22 and the second bag opening door plate 23 are slidably and rotatably disposed on the mounting plate 21. Specifically, the working steps of the bag opening assembly 2 are as follows:
(1) referring to fig. 5, in the initial state, the first opening door panel 22 and the second opening door panel 23 of the bag opening assembly 2 are in a closed state (i.e., a closed state), and at this time, the first opening door panel 22 and the second opening door panel 23 are rotated to a combined cross state or a combined contact state;
(2) referring to fig. 6, after the package bag a reaches the set position, the first opening door panel 22 and the second opening door panel 23 of the bag opening assembly 2 are rotated and opened in the left and right directions, and at this time, the first opening door panel 22 and the second opening door panel 23 are rotated and parallel to each other;
(3) the first bag opening door plate 22 and the second bag opening door plate 23 are away from each other by a preset distance, so that the bag opening of the packaging bag a is opened, and at the moment, the packaging bag a can be filled through the discharge holes of the first screw filling mechanism 12 and the second screw filling mechanism 13;
(4) after the filling is completed, the first opening door panel 22 and the second opening door panel 23 are close to each other and rotated back to the initial state (as shown in fig. 6), the reset operation is completed, and the next process is waited.
Referring to fig. 4, in a preferred embodiment of this embodiment, the bag opening assembly 2 further includes a rotating block 24, a first connecting rod 25 and a second connecting rod 26, wherein the rotating block 24 is rotatably disposed on the mounting plate 21, two ends of the first connecting rod 25 are rotatably connected with a first end of the rotating block 24 and the first bag opening door plate 22, respectively, and two ends of the second connecting rod 26 are rotatably connected with a second end of the rotating block 24 and the second bag opening door plate 23, respectively. Specifically, the first end and the second end of the rotating block 24 are respectively disposed at two sides of the rotation center of the rotating block 24, and when the rotating block 24 rotates, the first bag opening door plate 22 and the second bag opening door plate 23 can be driven to rotate in opposite directions by the first connecting rod 25 and the second connecting rod 26 respectively, so as to realize switching operation of the closed state and the open state.
Referring to fig. 4, in another preferred embodiment of this embodiment, the bag opening assembly 2 further includes an air cylinder 27, wherein an output end of the air cylinder 27 is rotatably connected to the first end of the rotating block 24 or the second end of the rotating block 24, and the air cylinder 27 is used for driving the rotating block 24 to rotate, so as to drive the first bag opening door 22 and the second bag opening door 23 to rotate to complete the switching between the closed state and the open state.
In an alternative of this embodiment, the first bag opening door plate 22 and the second bag opening door plate 23 are fixedly connected with a slide block, a guide rail extending along the horizontal direction is provided on the mounting plate 21, and the slide block and the guide rail are slidably connected, so that the first bag opening door plate 22 and the second bag opening door plate 23 are slidably provided on the mounting plate 21. Specifically, when the filling operation is required, the first bag opening door plate 22 and the second bag opening door plate 23 are away from each other to open the mouth of the packaging bag a; when the filling operation is completed, the first and second opening door panels 22 and 23 are brought close to each other to complete the reset.
In summary, the double-screw filling assembly 1 provided by the utility model is provided with the first screw filling mechanism 12 and the second screw filling mechanism 13, the first screw filling mechanism 12 is used for coarsely filling the packaging bag a, when the weight of the material bag approaches to the target value, the second screw filling mechanism 13 is used for high-precision feeding of the packaging bag a after coarsely filling, and the precision of the material filling amount can be improved and the stability of controlling the weight of the material bag can be improved through two sequential filling operations. In addition, the weighing assembly 3 provided by the utility model is provided with the guardrail structure 32 and the weighing module 33, the guardrail structure 32 is used for supporting the material bags subjected to two times of material filling, the weighing module 33 is used for detecting the weight of the material bags (namely the total weight of the packaging bag a and the materials), and if the detected weight value is different from the target weight, the next operation is to adjust the material filling quantity of the second screw rod material filling mechanism 13 according to the fed-back weight difference, so that the error of the weight of the subsequent material bags is reduced. And similarly, each circulation operation adjusts the high-precision feeding weight of the second screw feeding mechanism according to the previous weight difference value, so as to ensure that the error of the weight of the material packet is reduced to the maximum extent.
It is worth mentioning that the material package in the utility model is the integral structure of the package bag and the material after filling.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (10)
1. Powder material weighing, metering and filling mechanism, which is characterized by comprising:
the double-screw material filling assembly comprises a mounting frame, a first screw material filling mechanism and a second screw material filling mechanism which are fixedly mounted on the mounting frame, wherein discharge holes are formed in the bottoms of the first screw material filling mechanism and the second screw material filling mechanism;
the weighing assembly comprises a support, a weighing module arranged on the support and a guardrail structure arranged on the weighing module;
wherein, the discharge gate is used for filling the material to the wrapping bag, guardrail structure is used for bearing wrapping bag, weighing module is used for detecting the total weight of wrapping bag and material.
2. The powder material weighing, metering and filling mechanism of claim 1, wherein the twin screw filling assembly further comprises a dust cover disposed at the discharge port.
3. The powder material weighing, metering and filling mechanism according to claim 2, wherein the first screw filling mechanism and the second screw filling mechanism each comprise a housing and a screw, and the screw is rotatably arranged inside the housing and is used for delivering out materials in the housing.
4. The powder material weighing, metering and filling mechanism according to claim 3, wherein the first screw filling mechanism and the second screw filling mechanism further comprise a servo motor, and an output end of the servo motor is fixedly connected with the screw and is used for driving the screw to rotate.
5. The powder material weighing, metering and filling mechanism of claim 1, wherein the guardrail structure is disposed at the bottom of the second screw filling mechanism, so that the weighing module detects the total weight of the packaging bag and the material filled by the second screw filling mechanism.
6. The powder material weighing, metering and filling mechanism according to claim 5, wherein a plurality of weight sensors are arranged in the weighing module, and the guardrail structure is pressed on the weight sensors.
7. The powder material weighing, metering and filling mechanism of claim 1, further comprising a bag opening assembly comprising a mounting plate, a first bag opening door plate and a second bag opening door plate, the mounting plate being fixedly disposed on the mounting frame, the first bag opening door plate and the second bag opening door plate being slidably and rotatably disposed on the mounting plate.
8. The powder material weighing, metering and filling mechanism according to claim 7, wherein the bag opening assembly further comprises a rotating block, a first connecting rod and a second connecting rod, the rotating block is rotatably arranged on the mounting plate, two ends of the first connecting rod are rotatably connected with a first end part of the rotating block and the first bag opening door plate respectively, and two ends of the second connecting rod are rotatably connected with a second end part of the rotating block and the second bag opening door plate respectively.
9. The powder material weighing, metering and filling mechanism of claim 8, wherein the bag opening assembly further comprises a cylinder, and wherein an output end of the cylinder is rotatably connected with the first end of the rotating block or the second end of the rotating block for driving the rotating block to rotate.
10. The powder material weighing, metering and filling mechanism according to claim 7, wherein a sliding block is fixedly connected to the first bag opening door plate and the second bag opening door plate, a guide rail extending along the horizontal direction is arranged on the mounting plate, and the sliding block is slidably connected with the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223314850.8U CN218892713U (en) | 2022-12-09 | 2022-12-09 | Powder material weighing, metering and filling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223314850.8U CN218892713U (en) | 2022-12-09 | 2022-12-09 | Powder material weighing, metering and filling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218892713U true CN218892713U (en) | 2023-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223314850.8U Active CN218892713U (en) | 2022-12-09 | 2022-12-09 | Powder material weighing, metering and filling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218892713U (en) |
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2022
- 2022-12-09 CN CN202223314850.8U patent/CN218892713U/en active Active
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