CN111141452A - Servo-driven device for detecting sealing performance of package - Google Patents
Servo-driven device for detecting sealing performance of package Download PDFInfo
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- CN111141452A CN111141452A CN202010060083.9A CN202010060083A CN111141452A CN 111141452 A CN111141452 A CN 111141452A CN 202010060083 A CN202010060083 A CN 202010060083A CN 111141452 A CN111141452 A CN 111141452A
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- connecting rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
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Abstract
The invention provides a device for detecting the sealing performance of a package by servo drive, which comprises: servo motor 1, extrusion mechanism and frame 14. The servo motor 1 and the extrusion mechanism are fixed on a frame 14. The servo motor drives the connecting rod part of the extrusion mechanism to drive the pressure surface formed by two or more compression rollers and/or a pressing plate 2 to extrude the tested product, and the dynamic parameters and the dynamic characteristic detection parameters fed back by the servo motor in real time are compared to judge the packaging tightness of the tested product. The servo motor is adopted to drive the connecting rod part to drive the pressure surface formed by two or more press rollers and/or one press plate 2 to move, so that the control accuracy is improved.
Description
Technical Field
The invention relates to the field of air leakage detection devices, in particular to a device for detecting the sealing property of a package through servo drive.
Background
The air leakage detection of the product is related to the quality safety and the production safety of the product, and how to improve the air leakage detection precision of the product is a technical problem which needs to be solved urgently in the prior art.
Patent document No. CN202024866U discloses a device for rapidly detecting the sealing performance of a flexible packaging bag, which comprises a detection cover, an air compressor, a valve, a pipeline, a pressure sensor and a data processing unit, wherein the air compressor and the valve are connected with the detection cover through the pipeline, the pressure sensor is located on the detection cover and connected with the data processing unit, and the flexible packaging bag to be detected is enclosed in the detection cover. This method is not suitable for online detection; and for the packaging bag with poor sealing performance, the internal air pressure of the packaging bag can rapidly change along with the air pressure in the container and reach the air pressure balance, and whether the sealing performance of the packaging bag is good or not is difficult to judge only by the indication value change of the pressure sensor.
Patent document CN108692894A (application number: 201810364031.3) discloses an ice cream packaging bag air leakage detection device, which comprises a rack (1) and an ice cream conveying line (2), wherein a conveying mechanism (3) with two ends respectively connected with the ice cream conveying line (2) is arranged in the rack (1), an extrusion limiting mechanism (4) is arranged on the upper side of the conveying mechanism (3), an air leakage extrusion mechanism (5) is arranged at the rear part of the extrusion limiting mechanism (4), and a removing mechanism (6) is arranged on the ice cream conveying line (2) behind the air leakage extrusion mechanism (5); the air leakage extrusion mechanism (5) comprises a detection plate (51) and a displacement sensor (52) for monitoring deformation of the detection plate (51), and the displacement sensor (52), a rejection sensor (61) and an air path sensor (62) in the rejection mechanism (6) are respectively connected with a PLC (programmable logic controller) controller (81) in a PLC control cabinet (8) through circuits.
Patent document CN106184938A discloses a glove airtightness detection and wrist-turning system. The air tightness detection and wrist turning device comprises a rack 2, a servo motor 3, a track 13, a driving shaft 5, an air tightness detection and wrist turning device 1, an air-electric slip ring 4, a vacuum pump and an air compressor. The air tightness detecting and wrist overturning device 1 comprises a chassis 6, a second air chamber 8, a first air chamber 7, an electromagnetic valve 11, air tightness detecting and wrist overturning equipment 9 and an air pressure detecting device 12. This patent still has room for improvement in testing other than the glove airtightness test.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide a device for detecting the sealing performance of a package through servo drive.
The invention provides a device for detecting the sealing performance of a package through servo drive, which comprises: the device comprises a servo motor 1, an extrusion mechanism and a frame 14; the extrusion mechanism comprises a connecting rod part, a pressure surface moving part 2, a connecting shaft part and a base 3; the servo motor 1 and the extrusion mechanism are fixed on the frame 14; the pressure surface moving part 2 is arranged above one or more outer surfaces of the frame 14; the base 3 includes: a first through-hole member and a second through-hole member; the connecting shaft part passes through the first through hole part/the second through hole part; the connecting rod part is connected with the frame 14; the pressure surface moving part 2 adopts two or more press rollers and/or a press plate; the servo motor 1 can accurately control the movement of a pressure surface formed by two or more compression rollers and/or a pressing plate 2, and compares dynamic parameters fed back by the servo motor in real time with dynamic characteristic detection parameters to judge the packaging tightness of the tested product.
Preferably, the link member includes: an output shaft connecting rod 6, a front parallelogram connecting rod part, a rear parallelogram connecting rod part and a connecting rod 7; the output shaft connecting rod 6 is fixedly connected with the servo motor 1; the front parallelogram link assembly includes: a front parallelogram first link 8; the connecting rod 7 is respectively connected with the output shaft connecting rod 6 and the front parallelogram first connecting rod 8;
preferably, the rear parallelogram link assembly includes: a rear parallelogram first link 11; the front parallelogram first connecting rod 8 is parallel to the rear parallelogram first connecting rod 11; the front parallelogram first connecting rod 8 and the rear parallelogram first connecting rod 11 are fixedly connected with the connecting shaft component in a fastening connection mode including but not limited to key connection.
Preferably, the front parallelogram link assembly includes: a front parallelogram second link 10; the rear parallelogram link assembly includes: a rear parallelogram second link 13; the front parallelogram second link 10 and the rear parallelogram second link 13 are parallel.
Preferably, the connecting shaft member includes: a first shaft member 5, a second shaft member 4; the first shaft member 5 passes through the first through-hole part; the second shaft member 4 passes through the second through-hole part; the front and rear parallelogram second links 10, 13 are fixedly connected to the first shaft member 5 in a manner including, but not limited to, keyed connection so that the two parallelogram mechanisms move in unison.
Preferably, the front parallelogram link assembly includes: a front parallelogram third link 9; the rear parallelogram link assembly includes: a rear parallelogram third link 12; two or more press rolls and/or a press plate are connected to the front and rear parallelogram third links 9 and 12, respectively.
Preferably, the method further comprises the following steps: a conveyor belt component, a conveyor device and an installation table-board; the conveying belt component is arranged on two or more press rollers or a press plate; the mounting table and the conveyor are mounted on a frame 14. The servo drive device for detecting the sealing performance of the package can realize on-line detection.
Preferably, a compressible space can be formed between the pressure surface moving part 2 and the mounting table surface to extrude a tested product, and the packaging tightness of the tested product is judged by comparing dynamic parameters fed back by the servo motor in real time with dynamic characteristic detection parameters.
Compared with the prior art, the invention has the following beneficial effects:
the servo motor can accurately control the movement of the pressure surface formed by two or more press rollers and/or a press plate, so that the detection precision is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
In the figure:
front parallelogram first connecting rod 8 of servo motor 1
A third parallelogram connecting rod 9 in front of the pressure surface moving part 2
Front parallelogram second connecting rod 10 of base 3
The first shaft member 5 rear parallelogram third link 12
Rear parallelogram second link 13 of output shaft link 6
Connecting rod 7 and frame 14
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1, the present invention provides a servo-driven device for detecting the tightness of a package, comprising: the device comprises a servo motor 1, an extrusion mechanism and a frame 14; the extrusion mechanism comprises a connecting rod component, a pressure surface motion component (2), a connecting shaft component and a base 3; the servo motor 1 and the base 3 are fixed on the frame 14; the pressure surface moving part 2 is arranged above one or more outer surfaces of the frame 14; the base 3 includes: a first through-hole member and a second through-hole member; the connecting shaft part passes through the first through hole part/the second through hole part; the connecting rod part is connected with the frame 14; the pressure surface moving part 2 adopts two or more press rollers and/or a press plate; the servo motor 1 can accurately control the movement of a pressure surface formed by two or more press rollers and/or one press plate 2, and the detection precision is improved.
Preferably, the link member includes: an output shaft connecting rod 6, a front parallelogram connecting rod part, a rear parallelogram connecting rod part and a connecting rod 7; the output shaft connecting rod 6 is fixedly connected with the servo motor 1; the front parallelogram link assembly includes: a front parallelogram first link 8; the connecting rod 7 is respectively connected with the output shaft connecting rod 6 and the front parallelogram first connecting rod 8;
preferably, the rear parallelogram link assembly includes: a rear parallelogram first link 11; the front parallelogram first connecting rod 8 is parallel to the rear parallelogram first connecting rod 11; the front parallelogram first connecting rod 8 and the rear parallelogram first connecting rod 11 are fixedly connected with the connecting shaft component in a fastening connection mode including but not limited to key connection.
Preferably, the front parallelogram link assembly includes: a front parallelogram second link 10; the rear parallelogram link assembly includes: a rear parallelogram second link 13; the front parallelogram second link 10 and the rear parallelogram second link 13 are parallel.
Preferably, the connecting shaft member includes: a first shaft member 5, a second shaft member 4; the first shaft member 5 passes through the first through-hole part; the second shaft member 4 passes through the second through-hole part; the front and rear parallelogram second links 10, 13 are fixedly connected to the first shaft member 5 in a manner including, but not limited to, keyed connection so that the two parallelogram mechanisms move in unison.
Preferably, the front parallelogram link assembly includes: a front parallelogram third link 9; the rear parallelogram link assembly includes: a rear parallelogram third link 12; two or more press rolls and/or a press plate are connected to the front and rear parallelogram third links 9 and 12, respectively, the press surfaces being always horizontal.
Preferably, the method further comprises the following steps: a conveyor belt component, a conveyor device and an installation table-board; the conveying belt component is arranged on two or more press rollers or a press plate; the mounting table and the conveyor are mounted on a frame 14. The servo drive device for detecting the sealing performance of the package can realize on-line detection.
Preferably, a compressible space can be formed between the pressure surface moving part 2 and the mounting table surface to extrude a tested product, and the packaging tightness of the tested product is judged by comparing dynamic parameters fed back by the servo motor in real time with dynamic characteristic detection parameters.
Specifically, in one embodiment, a servo-driven method of detecting the hermeticity of a package, comprises: a pressing step: when the servo motor 1 drives the output shaft connecting rod 6 anticlockwise according to a set curve, the output shaft connecting rod 6 drives the connecting rod 7 to rotate, the connecting rod 7 drives the front parallelogram first connecting rod 8, the second shaft component 4 and the rear parallelogram first connecting rod 11 to rotate, the front parallelogram first connecting rod 8 and the rear parallelogram first connecting rod 11 drive the front parallelogram third connecting rod 9 and the rear parallelogram second connecting rod 13 to press downwards, and the front parallelogram third connecting rod 9 and the rear parallelogram second connecting rod 13 drive two or more press rollers and/or a press plate to press downwards from a set initial position; a return step: when the servo motor 1 drives the output shaft connecting rod 6 clockwise according to a set curve, the output shaft connecting rod 6 drives the connecting rod 7 to rotate, the connecting rod 7 drives the front parallelogram first connecting rod 8, the second shaft component 4 and the rear parallelogram first connecting rod 11 to rotate, the front parallelogram first connecting rod 8 and the rear parallelogram first connecting rod 11 drive the front parallelogram third connecting rod 9 and the rear parallelogram second connecting rod 13 to ascend, and the front parallelogram third connecting rod 9 and the rear parallelogram second connecting rod 13 drive two or more press rolls and/or a press plate to ascend and return to the initial position; a detection result obtaining step: and comparing the dynamic parameters fed back by the servo motor in real time with the dynamic characteristic detection parameters in the pressing process, and judging the packaging tightness of the tested product.
The servo motor can accurately control the movement of the pressure surface formed by two or more press rollers and/or a press plate, so that the detection precision is improved.
In the description of the present application, it is to be understood 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 those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. A servo-driven package hermeticity detection apparatus, comprising: the extrusion device comprises a servo motor (1), an extrusion mechanism and a rack (14);
the extrusion mechanism comprises a connecting rod component, a pressure surface motion component (2), a connecting shaft component and a base (3);
the servo motor (1) and the extrusion mechanism are fixed on the frame (14);
the pressure surface moving part (2) is arranged above one or more outer surfaces of the frame (14);
the base (3) comprises: a first through-hole member and a second through-hole member;
the connecting shaft part passes through the first through hole part/the second through hole part;
the pressure surface moving part (2) adopts two or more press rollers and/or a press plate;
the servo motor (1) can control a pressure surface formed by two or more press rollers and/or a press plate to extrude a tested product.
2. The servo driven package hermeticity detection device of claim 1, wherein the linkage member comprises: an output shaft connecting rod (6), a front parallelogram connecting rod component, a rear parallelogram connecting rod component, a connecting rod (7),
The output shaft connecting rod (6) is fixedly connected with the servo motor (1);
the front parallelogram link assembly includes: a front parallelogram first link (8);
the connecting rod (7) is respectively connected with the output shaft connecting rod (6) and the front parallelogram first connecting rod (8).
3. The servo driven package hermeticity detection device of claim 2, wherein said rear parallelogram link assembly comprises: a rear parallelogram first link (11);
the front parallelogram first connecting rod (8) is parallel to the rear parallelogram first connecting rod (11);
the front parallelogram first connecting rod (8) and the rear parallelogram first connecting rod (11) are fixedly connected with the connecting shaft component.
4. The servo driven package hermeticity detection device of claim 1, wherein the front parallelogram link assembly comprises: a front parallelogram second link (10);
the rear parallelogram link assembly includes: a rear parallelogram second link (13);
the front parallelogram second connecting rod (10) and the rear parallelogram second connecting rod (13) are parallel.
5. The servo-driven package tightness detecting device according to claim 4, wherein said connecting shaft member comprises: a first shaft member (5), a second shaft member (4);
the first shaft member (5) passes through the first through-hole part;
the second shaft member (4) passes through the second through-hole part;
the front parallelogram second connecting rod (8) and the rear parallelogram second connecting rod (11) are fixedly connected with the first shaft component (4);
the front parallelogram second connecting rod (10) and the rear parallelogram second connecting rod (13) are fixedly connected with the first shaft component (5).
6. The servo driven package hermeticity detection device of claim 1, wherein the front parallelogram link assembly comprises: a front parallelogram third link (9);
the rear parallelogram link assembly includes: a rear parallelogram third link (12);
two or more press rolls and/or a press plate are connected to the front parallelogram third link (9) and the rear parallelogram third link (12), respectively.
7. The servo driven package hermeticity detection device of claim 1, further comprising: a conveyor belt component, a conveyor device and an installation table-board;
the conveying belt component is arranged on two or more press rollers or a press plate;
the mounting table and the conveying device are mounted on a rack (14).
8. A servo driven device for detecting the tightness of packages according to claim 7, characterized in that a compressible space can be formed between the pressure surface moving part (2) and the mounting table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010060083.9A CN111141452A (en) | 2020-01-19 | 2020-01-19 | Servo-driven device for detecting sealing performance of package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010060083.9A CN111141452A (en) | 2020-01-19 | 2020-01-19 | Servo-driven device for detecting sealing performance of package |
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| Publication Number | Publication Date |
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| CN111141452A true CN111141452A (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010060083.9A Pending CN111141452A (en) | 2020-01-19 | 2020-01-19 | Servo-driven device for detecting sealing performance of package |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108405A (en) * | 2020-10-20 | 2020-12-22 | 姜志 | Online gas tightness detection device |
| CN112246683A (en) * | 2020-10-15 | 2021-01-22 | 海宁哈工我耀机器人有限公司 | Device and method for detecting air tightness of food soft package |
| CN116412973A (en) * | 2023-06-12 | 2023-07-11 | 江苏金旺智能科技有限公司 | Method, system and equipment for detecting tightness of flexible package seal |
-
2020
- 2020-01-19 CN CN202010060083.9A patent/CN111141452A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246683A (en) * | 2020-10-15 | 2021-01-22 | 海宁哈工我耀机器人有限公司 | Device and method for detecting air tightness of food soft package |
| CN112108405A (en) * | 2020-10-20 | 2020-12-22 | 姜志 | Online gas tightness detection device |
| CN116412973A (en) * | 2023-06-12 | 2023-07-11 | 江苏金旺智能科技有限公司 | Method, system and equipment for detecting tightness of flexible package seal |
| CN116412973B (en) * | 2023-06-12 | 2023-08-29 | 江苏金旺智能科技有限公司 | Method, system and equipment for detecting tightness of flexible package seal |
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