CN113275268A - Air leakage detection device and detection method for bagged product - Google Patents
Air leakage detection device and detection method for bagged product Download PDFInfo
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- CN113275268A CN113275268A CN202110714036.6A CN202110714036A CN113275268A CN 113275268 A CN113275268 A CN 113275268A CN 202110714036 A CN202110714036 A CN 202110714036A CN 113275268 A CN113275268 A CN 113275268A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/3404—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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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
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3272—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides a device and a method for detecting air leakage of a bagged product, which adopt the following scheme: the belt wheel is arranged on the supporting frame, the driving assembly is connected with the belt wheel, and the flexible extrusion belt is in transmission connection with the belt wheel; the supporting frame is arranged on a fixed frame, and a lifting mechanism is arranged on the fixed frame and connected with the supporting frame; the flexible extrusion device is characterized in that an induction device is mounted on the supporting frame, the height of the induction device is greater than that of the bottom extrusion surface of the flexible extrusion belt, the flexible extrusion belt is located above the conveying belt device, an extrusion gap is formed between the flexible extrusion belt and the conveying belt device, and the striking assembly is located behind the extrusion gap. The method has the effects of high detection precision and high speed.
Description
Technical Field
The invention relates to the technical field of air leakage detection of bagged products, in particular to an air leakage detection device and method for the bagged products.
Background
The bagged product has strict requirements on the sealing degree, and particularly in the production process, the tightness of the bagged product needs to be detected, if the air leakage phenomenon occurs in the packaging bag, the bagged product is often crushed due to mutual collision and extrusion, and is damped quickly and then goes bad. To avoid this, each bagged product is tested for leaks during the production process, the leaks are identified as directly rejected, and the rejected and rejected products are sorted separately. The tightness detection of the bagged product is carried out by a special detection device.
The existing detection device generally detects whether air leaks by extruding a packaging bag, for example, a patent with the application number of 202010520113.X discloses a packaging air leakage detection device for bagged puffed food, which mainly drives a pressing plate to press downwards by pressing a detection block, and judges whether the product leaks air according to the difference of the heights of the product pressed downwards; the patent with application number 202010449232.0 discloses a bag type packing machine, wherein a pressing roller for extruding a packing bag is disclosed, the packing bag moves to the lower part of the pressing roller, the pressing roller for extruding the packing bag moves upwards, therefore, the pressing roller extrudes the packing bag under the action of a pressure spring, the thickness of the air-leaking packing bag becomes smaller, then the packing bag continues to move forwards, and when the packing bag passes through a thickness detector, the thickness becomes smaller after the air-leaking packing bag triggers the thickness detector. Although the two schemes can realize the air leakage detection of the packaging bag to a certain extent, the two schemes have the following defects: each conveyed packaging bag needs to be pressed down, so that the speed is low and the efficiency is low; each packaging bag is pressed down at one time, the packaging bags are different in change due to the difference among the packaging bags and the degree of pressing force, a large amount of false rejection phenomena exist, the thickness is used for removing, and the detection precision is low; the packaging bag is only pressed up and down and is easy to block or stop, and the detection is influenced by a bit deviation of the position of the packaging bag during conveying.
Therefore, in view of the current situation of the prior art, it is an urgent need to develop a high-precision and high-efficiency air leakage detection device for bagged products.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a device for detecting air leakage of a bagged product.
The technical scheme adopted by the invention for solving the technical problems is as follows: a gas leakage detection device for bagged products comprises a conveyor belt device, a hitting assembly, a flexible extrusion belt, belt wheels, a driving assembly, a support frame and a fixing frame, wherein the belt wheels are arranged on the support frame; the supporting frame is arranged on a fixed frame, and a lifting mechanism is arranged on the fixed frame and connected with the supporting frame; the flexible extrusion device is characterized in that an induction device is mounted on the supporting frame, the height of the induction device is greater than that of the bottom extrusion surface of the flexible extrusion belt, the flexible extrusion belt is located above the conveying belt device, an extrusion gap is formed between the flexible extrusion belt and the conveying belt device, and the striking assembly is located behind the extrusion gap. The height of the flexible extrusion belt is adjusted through the lifting mechanism, so that the gap between the flexible extrusion belt and the conveyor belt is suitable for bagged products to be detected, and the detection of different bagged products can be adapted; the flexible extrusion belt has the characteristic of longer length, the power assembly drives the flexible extrusion belt to continuously run, the flexible extrusion belt is matched with a lower conveying belt to realize guiding and continuous conveying of bagged products, the bagged products can be extruded in the whole length range, the long extrusion process can release pressure as fully as possible for the leaked products, large pressure change of the leaked or slightly leaked products can be achieved, detection accuracy is guaranteed, an induction device is arranged on the flexible extrusion belt at the bottom, when the bagged products enter the flexible extrusion belt from the beginning, the flexible extrusion belt can bear extrusion force while the bagged products are extruded by the flexible extrusion belt, the change of the force on the flexible extrusion belt can be sensed by the induction device, the bagged products are in dynamic detection in the whole range of the flexible extrusion belt, and pressure change detection is more accurate, Stable, hit the subassembly and hit gas leakage or bag interior pressure on the low side high bagged product and hit down, hit it from the conveyer belt device, reduced the yields rejection rate to this testing method is continuous process, and flexible extrusion area also can give a conveying power of bagged product in the extrusion process, reaches the purpose of carrying jointly, has both played the guide effect and has not influenced conveying speed, has improved detection efficiency by a wide margin.
Further, the conveyor belt device comprises a conveyor belt and a conveying support, the conveyor belt is installed on the conveying support, the fixing frame is connected with the conveying support, the flexible extrusion belt is located right above the conveyor belt, and an extrusion gap is formed between the flexible extrusion belt and the conveyor belt. The purposes of guiding, continuous extrusion and conveying of the flexible extrusion belt and the conveying belt are achieved.
Furthermore, the sensing device comprises a pressure sensor, the pressure sensor is positioned at the rear part of the flexible extrusion belt, and the sensing device is positioned above the lower flexible extrusion belt part and is in contact with the lower flexible extrusion belt part, so that the sensing device is in a dynamic pressure detection state. Utilize pressure sensor to detect pressure variation, realize more accurate detection, place it in the position that leans on the back, have one section long extrusion process in earlier stage and can make the product of revealing release pressure as far as, when carrying the pressure detection point of this department, have a great pressure variation, further improve detection accuracy, reduce the yields of rejecting of good products. Wherein, induction element is connected with the support frame through adjusting the seat, is provided with vertical regulation hole on the support frame, adjust the seat and pass vertical regulation hole and through the fastening of elasticity adjusting part on the support frame, adjust induction element's position through adjusting the seat, make it in better detection position, reach the more accurate effect of detection data.
Furthermore, hit the subassembly and include automatic beating spare and optical fiber sensor, optical fiber sensor sets up in the rear portion position department in extrusion clearance, automatic beating spare is located optical fiber sensor's rear. The optical fiber sensor is used for sensing the position of the bagged product, the encoder or the control system is used for measuring and calculating the moving distance of the bagged product, and the distance between the automatic beating piece and the optical fiber sensor is fixed, so that when the bagged product with inconsistent detection pressure is sensed by the optical fiber sensor and then is conveyed to the position of the automatic beating piece, the automatic beating piece rapidly moves, and the bagged product with unqualified front detection is beaten out from the conveying belt.
Further, the band pulley has two, divide into preceding band pulley and back band pulley, installs a plurality of auxiliary rollers on the support frame, and a plurality of auxiliary rollers horizontal interval arrange, auxiliary roller is located between preceding band pulley and the back band pulley, auxiliary roller is located the closed loop that the flexible extrusion area formed, auxiliary roller is close to in the flexible extrusion area part of below and is higher than the flexible extrusion area part of below. Realize stabilizing the even of direction and extrusion force through supplementary gyro wheel, have the supporting role to the belt part between two pulleys, more do benefit to the direction, the extrusion of product in bags and the accuracy that detects.
Furthermore, elevating system includes screw rod and nut piece, the support frame passes through screw rod and nut piece and is connected with the mount transmission. The support frame is in transmission connection with the fixing frame through the screw rod and the nut block, the height of the support frame is adjusted by rotating the screw rod, and then the height of the flexible extrusion belt is adjusted.
Furthermore, be provided with tensioning seat and tensioning lead screw on the support frame, the tensioning lead screw is connected with the transmission of tensioning seat, the tensioning seat passes through the wheel carrier and is connected with the band pulley. The tensioning seat is adjusted to move through the tensioning lead screw, so that the wheel frame moves to drive the belt wheel to move, and the tensioning adjustment of the flexible extrusion belt is realized.
The bag-shaped product packaging device is characterized by further comprising an operation table, a display screen is arranged on the operation table, a control unit is installed in the operation table and comprises a pressure detection module, and the pressure detection module is used for detecting whether the pressure in the bag-shaped product meets a normal pressure range or not and carrying out data analysis.
In addition, the invention also provides a method for detecting the air leakage of the bagged product, which comprises the following steps:
a1: adjusting the height of the flexible extrusion belt, so that the extrusion gap is suitable for the bagged product to be detected to pass through;
a2: the bagged products are conveyed backwards on the conveying belt device, when the bagged products are conveyed to the position of the flexible extrusion belt, the flexible extrusion belt and the conveying belt device convey the bagged products backwards together, and meanwhile, the flexible extrusion belt generates continuous extrusion effect on the bagged products;
a3: the sensing device detects whether the pressure in the bagged product meets the requirement or not;
a4: the bagged products meeting the requirements are continuously conveyed along with the conveying belt device; the unsatisfactory pouch product is struck by the striking assembly.
According to the technical scheme, the invention has the following advantages:
the scheme provides a bagged product air leakage detection device and a detection method, the bagged product is extruded by arranging a flexible extrusion belt, so that the bagged product is kept for pressure conveying for a certain time, the leaked product releases the pressure as fully as possible in the long extrusion process, if the pressure change is not large, the difference between the leaked pressure and the normal ratio is large, and the product with poor leakage and sealing effect can be reliably detected in the mode. The packaging bag is conveyed to the pressure detection point under the condition of all stress as far as possible, so that the leaked or slightly leaked products have larger pressure change, the bagged products which do not meet the requirements are beaten down from the conveying belt by the automatic beating piece, and the rejection rate of good products is reduced. And this detection mode is continuous process, and flexible extrusion area also can give a conveying power for bagged products in the extrusion process, reaches the purpose of common transport, has not only played the guide effect but also does not influence conveying speed, has improved detection efficiency by a wide margin.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is an isometric view of a portion of an embodiment of the present invention.
Fig. 3 is a schematic structural view of the fixing frame according to the embodiment of the present invention when the fixing frame is separately installed.
In the figure, the device comprises a flexible extrusion belt 1, a flexible extrusion belt 2, an induction device 3, an auxiliary roller 4, an adjusting seat 5, a hand wheel rocking handle 6, a screw rod 7, a fixing frame 8, a supporting frame 9, a tensioning seat 10, a tensioning screw rod 11, a wheel frame 12, a belt wheel 13, a driving component 14, an optical fiber sensor 15, a conveying belt 16, an automatic striking piece 17 and a conveying support.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Detailed description of the preferred embodiment 1
As shown in fig. 1 to 3, the present embodiment provides a gas leakage detecting device for a bagged product, which includes an operation table, a conveyor belt device, a striking component, a flexible extrusion belt 1, two belt wheels 12, a driving component 13, a support frame 8 and a fixing frame 7, wherein the belt wheels 12 are mounted on the support frame 8, the two belt wheels 12 are respectively a front belt wheel 12 and a rear belt wheel 12, the flexible extrusion belt 1 is preferably a belt, the belt is wound on the two belt wheels 12, the driving component 13 is connected to the belt wheels 12, in this scheme, the driving component 13 is preferably a motor, the motor drives the belt wheels 12 to rotate, and the belt wheels 12 drive the flexible extrusion belt 1 to operate; the supporting frame 8 is arranged on the fixed frame 7, and the lifting mechanism is arranged on the fixed frame 7 and connected with the supporting frame 8; the induction device 2 is installed on the supporting frame 8, the height of the induction device 2 is larger than that of the bottom extrusion surface of the flexible extrusion belt 1, the flexible extrusion belt 1 is located above the conveying belt device, an extrusion gap is formed between the flexible extrusion belt 1 and the conveying belt device, and the striking assembly is located behind the extrusion gap. Specifically, the conveyor belt device includes a conveyor belt 15 and a conveying support 17, the conveyor belt 15 is mounted on the conveying support 17, the flexible pressing belt 1 is located right above the conveyor belt 15, a pressing gap is formed between the flexible pressing belt 1 and the conveyor belt 15, the pressing gap is horizontal, that is, the conveying surfaces of the flexible pressing belt 1 and the conveyor belt 15 are parallel and are both horizontally arranged, in some embodiments, the fixing frame 7 is fixed on the conveying support 17 (as shown in fig. 1 and 2), and in other embodiments, the fixing frame 7 is located on one side of the conveying support 17 and is separately arranged (as shown in fig. 3). It should be noted that, because the flexible compression belt 1 dynamically changes during operation, in this scheme, for convenience of description, the flexible compression belt 1 is divided into two parts, an upper flexible compression belt part is located at the upper part of the belt wheel 12, a lower flexible compression belt part is located at the lower part of the belt wheel 12, and a bottom compression surface refers to an outer surface of the lower flexible compression belt part, that is, a surface where the bottom contacts a bagged product.
Wherein, sensing device 2 is preferred pressure sensor, sensing device 2 passes through the connecting piece and installs on support frame 8 and be located the rear portion of flexible extrusion area 1, sensing device 2 is located the top of below flexible extrusion area 1 part and with below flexible extrusion area 1 part contact, make it be in dynamic pressure detection state, utilize pressure sensor to detect pressure variation, realize more accurate detection, place it in the position that leans on the back, there is one section long extrusion process in earlier stage to make the product of revealing release pressure as far as, when carrying the pressure detection point of this department, there is a great pressure variation, further improve detection accuracy, reduce the yields. Further, induction system 2 is connected with support frame 8 through adjusting seat 4, be provided with vertical regulation hole on the support frame 8, adjust seat 4 and pass vertical regulation hole and fasten on support frame 8 through the elasticity regulating part, the part that adjusts seat 4 and pass vertical regulation hole is the bolt, the regulating part is the nut, adjust to screw up the nut after the take the altitude and fix can, adjust induction system 2's position, make it in better detection position, reach the more accurate effect of detection data.
The beating component comprises an automatic beating piece 16 and an optical fiber sensor 14, the optical fiber sensor 14 is installed on the support frame 8 and is arranged at the position of the rear portion of the extrusion gap, the automatic beating piece 16 is located behind the optical fiber sensor 14, the automatic beating piece 16 is installed on one side of the conveying support 17, the automatic beating piece 16 can be used for blowing beating or pushing, the automatic beating piece 16 in the scheme is preferably an air cylinder, and a piston rod of the air cylinder extends out to be used for pushing off unqualified bagged products to the other side. The position of the bagged product is sensed by the optical fiber sensor 14, the moving distance of the bagged product is measured by an encoder or a control system, and due to the fact that the distance between the automatic striking piece 16 and the optical fiber sensor 14 is constant, when the bagged product with inconsistent detection pressure is sensed by the optical fiber sensor 14 and then is conveyed to the position of the automatic striking piece 16, the automatic striking piece 16 acts rapidly, and the bagged product with unqualified detection in the front is struck out of the conveyor belt 15.
The fixing frame 7 comprises supporting legs and a middle beam, the supporting legs are fixed on two sides of the middle beam, the supporting frame 8 is located in the middle of the supporting legs on the two sides, and the supporting legs can be mounted on two sides of the conveying belt device, so that the flexible extrusion belt 1 is located right above the conveying belt 15. The lifting mechanism comprises a screw rod 6 and a nut block, the support frame 8 is in transmission connection with the middle beam through the screw rod 6 and the nut block, the manual operation can be set, the hand wheel rocking handle 5 is arranged on the upper portion of the screw rod 6 at the moment, the automatic operation can also be set, and the screw rod 6 is driven by a motor at the moment. Support frame 8 and mount 7 transmission are connected through screw rod 6 and nut piece, rotate screw rod 6 and realize the altitude mixture control of support frame 8, and then realize the altitude mixture control of flexible extrusion area 1 for the clearance between flexible extrusion area 1 and conveyer belt 15 adapts to the thickness of product in bags, and the clearance to the co-altitude not adjustable of product to the difference, extensive applicability.
Wherein, be provided with tensioning seat 9 and tensioning lead screw 10 on the support frame 8, tensioning lead screw 10 is connected with tensioning seat 9 transmission, and tensioning seat 9 is connected with band pulley 12 through wheel carrier 11. The tensioning seat 9 is adjusted to move through the tensioning screw rod 10, so that the wheel frame 11 moves to drive the belt wheel 12 to move, and tensioning adjustment of the flexible extrusion belt 1 is achieved. Install a plurality of supplementary gyro wheels 3 on the support frame 8, 3 horizontal intervals of a plurality of supplementary gyro wheels are arranged, supplementary gyro wheel 3 is located between front belt wheel 12 and the back belt wheel 12, supplementary gyro wheel 3 is arranged in the closed loop that flexible extrusion area 1 formed, supplementary gyro wheel 3 is close to in the flexible extrusion area 1 part in below and is higher than the flexible extrusion area 1 part in below, realize stabilizing the even of direction and extrusion force through supplementary gyro wheel 3, have the supporting role to the belt part between two belt wheels 12, more do benefit to the direction to the product in bags, the accuracy of extrusion and detection.
In addition, the operation panel is arranged on one side of the conveyor belt device, a display screen is arranged on the operation panel, an operator can carry out man-machine operation according to display contents in the display screen, a control unit is arranged in the operation panel and comprises a pressure detection module, and the pressure detection module is used for detecting whether the pressure in the bagged product meets a normal pressure range or not, carrying out data analysis and reflecting a display result to the display screen.
The air leakage detection device for the bagged product has the following principle: the height of the flexible extrusion belt 1 is adjusted through the lifting mechanism, so that the gap between the flexible extrusion belt 1 and the conveyor belt 15 is suitable for bagged products to be detected, and the detection of different bagged products can be adapted; the flexible extrusion belt 1 has the characteristic of longer length, the power assembly drives the flexible extrusion belt 1 to continuously run, the flexible extrusion belt 1 is matched with the conveying belt 15 below to realize guiding and continuous conveying of bagged products, the bagged products can be kept extruded in the whole length range, the long extrusion process can release pressure as fully as possible for the leaked products, large pressure change of the leaked or slightly leaked products can be realized, the detection accuracy is ensured, the sensing device 2 is arranged on the flexible extrusion belt 1 at the bottom, when the bagged products enter the flexible extrusion belt 1 from the beginning, the flexible extrusion belt 1 can bear extrusion force while the flexible extrusion belt 1 extrudes the bagged products, the change of the force on the flexible extrusion belt 1 can be sensed by the sensing device 2, and the bagged products are in dynamic detection in the whole range of the flexible extrusion belt 1, the pressure change detection is more accurate and stable, the beating component beats the bagged product with air leakage or low and high pressure in the bag, the bagged product is beaten down from the conveyor belt device, the rejection rate of the good product is reduced, the detection mode is a continuous process, the flexible extrusion belt 1 can also provide conveying force for the bagged product in the extrusion process, the purpose of common conveying is achieved, the guide effect is achieved, the conveying speed is not influenced, and the detection efficiency is greatly improved.
Detailed description of the preferred embodiment 2
The specific embodiment provides a method for detecting air leakage of a bagged product, which comprises the device for detecting air leakage of the bagged product in the specific embodiment 1, and further comprises the following steps:
a1: the supporting frame 8 is lifted by driving the screw rod 6 to rotate, the height of the flexible extrusion belt 1 is adjusted, and the extrusion gap is suitable for the bagged product to be detected to pass through;
a2: the bagged products are conveyed backwards on the conveying belt device, when the bagged products are conveyed to the position of the flexible extrusion belt 1, the flexible extrusion belt 1 and the conveying belt device convey the bagged products backwards together, and meanwhile, the flexible extrusion belt 1 continuously extrudes the bagged products;
a3: the pressure sensor detects whether the pressure in the bagged product meets the requirement or not;
a4: the bagged products meeting the requirements are continuously conveyed along with the conveying belt device; the unsatisfactory pouch product is struck by the striking assembly. The optical fiber sensor 14 detects the position of the bagged product, and then determines whether the bagged product reaches the position of the automatic striking member 16 according to calculation, and if the bagged product reaches the position of the automatic striking member, the bagged product is struck off the conveyor belt 15.
Detection precision:
performance and parameters:
defective solid-packaged sealed product
Detection speed of 800 bags/min or more
Sealing untight leads to leakage
High speed impact
Man-machine interface operations
Display of multiple sets of rejected data in real time
Diamond-solid striking light alarm function
DSP digital signal processing
Preliminary squeezing function
The terms "upper", "lower", "outside", "inside", and the like in the description and claims of the present invention and the above-described drawings (if any) are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The air leakage detection device for the bagged products is characterized by comprising a conveyor belt device, a hitting assembly, a flexible extrusion belt (1), belt wheels (12), a driving assembly (13), a support frame (8) and a fixing frame (7), wherein the belt wheels (12) are installed on the support frame (8), the driving assembly (13) is connected with the belt wheels (12), and the flexible extrusion belt (1) is in transmission connection with the belt wheels (12); the supporting frame (8) is arranged on the fixed frame (7), the fixed frame (7) is provided with a lifting mechanism, and the lifting mechanism is connected with the supporting frame (8); the flexible extrusion device is characterized in that an induction device (2) is installed on the support frame (8), the height of the induction device (2) is larger than that of the bottom extrusion surface of the flexible extrusion belt (1), the flexible extrusion belt (1) is located above the conveyor belt device, an extrusion gap is formed between the flexible extrusion belt (1) and the conveyor belt device, and the striking assembly is located behind the extrusion gap.
2. The air leakage detection device for the bagged products, as recited in claim 1, characterized in that the conveyor belt device comprises a conveyor belt (15) and a conveyor support (17), the conveyor belt (15) is mounted on the conveyor support (17), the fixed frame (7) is connected with the conveyor support (17), the flexible pressing belt (1) is positioned right above the conveyor belt (15), and a pressing gap is formed between the flexible pressing belt (1) and the conveyor belt (15).
3. A pouch product air-leakage detection device according to claim 1, wherein said sensing means (2) comprises a pressure sensor, said pressure sensor being located at the rear of the flexible squeeze band (1).
4. A pouch product air-leakage detecting device according to any of claims 1-3, wherein said striking assembly comprises an automatic striking member (16) and an optical fiber sensor (14), said optical fiber sensor (14) being arranged at a rear position of the squeezing gap, said automatic striking member (16) being located behind said optical fiber sensor (14).
5. A bagged product air-leakage detection device according to any one of claims 1-3, wherein the two pulleys (12) are divided into a front pulley and a rear pulley, a plurality of auxiliary rollers (3) are mounted on the support frame (8), the plurality of auxiliary rollers (3) are horizontally arranged at intervals, the auxiliary rollers (3) are positioned between the front pulley and the rear pulley, the auxiliary rollers (3) are positioned in the closed loop formed by the flexible extrusion belt (1), and the auxiliary rollers (3) are close to and higher than the lower flexible extrusion belt portion.
6. A bagged product air leakage detection device according to any one of claims 1-3, wherein the sensor device (2) is connected to the support frame (8) through an adjusting seat (4), the support frame (8) is provided with a vertical adjusting hole, and the adjusting seat (4) passes through the vertical adjusting hole and is fastened to the support frame (8) through a tightness adjusting member.
7. The bagged product air leakage detection device according to any one of claims 1-3, wherein the lifting mechanism comprises a screw rod (6) and a nut block, and the support frame (8) is connected with the fixed frame (7) through the screw rod (6) and the nut block.
8. The bagged product air leakage detection device according to any one of claims 1-3, wherein the supporting frame (8) is provided with a tensioning seat (9) and a tensioning screw (10), the tensioning screw (10) is in transmission connection with the tensioning seat (9), and the tensioning seat (9) is connected with the belt wheel (12) through a wheel carrier (11).
9. The bagged product air leakage detection device according to any one of claims 1-3, further comprising an operation table, wherein a display screen is arranged on the operation table, a control unit is installed in the operation table, the control unit comprises a pressure detection module, and the pressure detection module is used for detecting whether the pressure in the bagged product meets a normal pressure range and performing data analysis.
10. A method for detecting the leakage of a pouch-packed product, comprising the apparatus for detecting the leakage of a pouch-packed product according to any one of claims 1 to 9, further comprising the steps of:
a1: the height of the flexible extrusion belt (1) is adjusted, so that the extrusion gap is suitable for the bagged product to be detected to pass through;
a2: the bagged products are conveyed backwards on the conveying belt device, when the bagged products are conveyed to the position of the flexible extrusion belt (1), the flexible extrusion belt (1) and the conveying belt device convey the bagged products backwards together, and meanwhile, the flexible extrusion belt (1) continuously extrudes the bagged products;
a3: the sensing device (2) detects whether the pressure in the bagged product meets the requirement;
a4: the bagged products meeting the requirements are continuously conveyed along with the conveying belt device; the unsatisfactory pouch product is struck by the striking assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110714036.6A CN113275268A (en) | 2021-06-25 | 2021-06-25 | Air leakage detection device and detection method for bagged product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110714036.6A CN113275268A (en) | 2021-06-25 | 2021-06-25 | Air leakage detection device and detection method for bagged product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113275268A true CN113275268A (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110714036.6A Pending CN113275268A (en) | 2021-06-25 | 2021-06-25 | Air leakage detection device and detection method for bagged product |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061867A (en) * | 2021-10-29 | 2022-02-18 | 山东科技大学 | Packaging bag detection device and detection method |
| CN117181640A (en) * | 2023-11-07 | 2023-12-08 | 科先智能装备(苏州)有限公司 | High-speed leakage detection equipment and leakage detection method for cosmetic hose tail sealing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061867A (en) * | 2021-10-29 | 2022-02-18 | 山东科技大学 | Packaging bag detection device and detection method |
| CN114061867B (en) * | 2021-10-29 | 2024-02-27 | 山东科技大学 | Packaging bag detection device and detection method |
| CN117181640A (en) * | 2023-11-07 | 2023-12-08 | 科先智能装备(苏州)有限公司 | High-speed leakage detection equipment and leakage detection method for cosmetic hose tail sealing |
| CN117181640B (en) * | 2023-11-07 | 2024-03-08 | 科先智能装备(苏州)有限公司 | High-speed leakage detection equipment and leakage detection method for cosmetic hose tail sealing |
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