CN114993582A - Dialysate packaging bag leak hunting device - Google Patents
Dialysate packaging bag leak hunting device Download PDFInfo
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- CN114993582A CN114993582A CN202210398208.8A CN202210398208A CN114993582A CN 114993582 A CN114993582 A CN 114993582A CN 202210398208 A CN202210398208 A CN 202210398208A CN 114993582 A CN114993582 A CN 114993582A
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- dialysate
- packaging bag
- detection device
- conveying device
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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
- G01M3/3218—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 for flexible or elastic containers
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- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention provides a dialysate packaging bag leakage detection device, which comprises a first conveying device and a bag pressing detection device, wherein the first conveying device is used for conveying dialysate packaging bags; the packet pressing detection device comprises: the device comprises an extrusion piece, a driving device and a pressure sensor, wherein the extrusion piece is positioned above the first conveying device and is used for being in contact with the dialysate packaging bag on the first conveying device, the driving device is used for driving the extrusion piece to be close to or far away from the dialysate packaging bag, the pressure sensor is used for detecting pressure information of the extrusion piece, and the driving device and the first conveying device act according to the pressure information detected by the pressure sensor. This scheme is through the aforesaid setting, can accomplish automatically and detect every dislysate wrapping bag leak protection, ensures not to omit any dislysate wrapping bag, when guaranteeing to detect the rate of accuracy, also improves the work efficiency of whole packing transfer chain.
Description
Technical Field
The invention belongs to the field of dialysate detection devices, and particularly relates to a dialysate packaging bag leakage detection device.
Background
The dialysate is the liquid which needs to be used for solute exchange with blood on two sides of a dialysis membrane through dispersion during hemodialysis, and can be used for rectal dialysis, abdominal cavity dialysis or extracorporeal dialysis due to certain osmotic pressure of the dialysate. The existing dialysate is usually packed and transported in non-PVC packing material. However, the packaging method may cause poor sealing effect of the packaging bag and risk of leakage, and the situation can not only pollute other products in the same conveying and packaging line, but also directly endanger the life safety of patients if polluted dialysate is carelessly put into use.
To this, can be provided with the leak protection in the current dialysate packing transport flow generally and detect the link, traditional detection mode carries out the spot check by the manual work, and this kind of mode not only has higher omission factor, and the mode that detects manually simultaneously still has great error, can't guarantee the rate of accuracy that detects, has reduced product quality, causes the influence to subsequent use of dialysate.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art, and provides a dialysate packaging bag leakage detection device which can automatically complete the leakage prevention detection of dialysate packaging bags, has high detection accuracy and improves the working efficiency of the whole packaging and conveying line.
The purpose of the invention is realized by adopting the following technical scheme:
the leakage detection device for the dialysate packaging bag comprises a first conveying device and a bag pressing detection device, wherein the first conveying device is used for conveying the dialysate packaging bag, and the bag pressing detection device is used for detecting the dialysate packaging bag on the first conveying device;
the pressure package detection device includes:
a pressing member positioned above the first conveying device and used for contacting the dialysate packaging bag on the first conveying device;
a drive means for driving the expression member closer to or farther from the dialysate packaging bag,
and the driving device and the first conveying device act according to the pressure information detected by the pressure sensor.
Furthermore, the dialysis machine is also provided with an in-place detection device for detecting whether a dialysis fluid packaging bag reaches a station of the bag pressing detection device, the in-place detection device is arranged on the first conveying device corresponding to the extrusion piece, and the driving device and the first conveying device act according to the detection information of the in-place detection device.
The pressure control device further comprises a pressure controller, and the driving device acts according to a pressure value set by the pressure controller.
Further, the guide assembly is used for guiding the lifting movement of the extrusion piece.
Furthermore, the guide assembly comprises a support erected above the first conveying device, a linear bearing vertically arranged on the support and a guide rod sleeved in the linear bearing, and one end of the guide rod is fixedly connected with the extrusion piece.
Further, the driving device comprises a screw rod transmission mechanism and a motor for driving the screw rod transmission mechanism to act.
Furthermore, the pressure sensor is characterized by further comprising a reminding device for reminding workers, wherein the reminding device acts according to the pressure information detected by the pressure sensor.
Further, the press packet detection device is provided with a plurality of press packet detection devices, and the press packet detection devices are arranged at intervals along the first conveying device.
Furthermore, the device also comprises a second conveying device communicated with the first conveying device, and the conveying speeds of the second conveying device and the first conveying device are different.
Compared with the prior art, the invention has the beneficial effects that:
when the dialysate packaging bag leak detection device is used, dialysate packaging bags can be sequentially conveyed to a detection station of the bag pressing detection device through the first conveying device, the driving device is started at the moment to drive the extrusion piece to move close to and extrude the dialysate packaging bag for a period of time, the pressure sensor can detect pressure change information of the extrusion piece in the period of time, if the dialysate packaging bag does not leak, the pressure value can be kept to be changed within a certain range of value, when the dialysate packaging bag leaks air, the detected pressure value can be reduced along with extrusion, at the moment, the driving device can control the extrusion piece to be lifted upwards so as to ensure that the extrusion piece does not extrude the dialysate packaging bag any more, meanwhile, the first conveying device stops operating and does not convey the dialysate packaging bag backwards any more, and the staff can detect the next dialysate packaging bag again after discharging the leaked dialysate packaging bag. This scheme is through the aforesaid setting, can accomplish automatically and detect every dislysate wrapping bag leak protection, ensures not to omit any dislysate wrapping bag, when guaranteeing to detect the rate of accuracy, also improves the work efficiency of whole packing transfer chain.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the leakage detection device for dialysate bags of the present invention;
FIG. 2 is a partial schematic structural view of a preferred embodiment of the dialysate packaging bag leak detector of the present invention.
Wherein, in the figures, the respective reference numerals:
10. a first conveying device; 20. a press pack detection device; 21. an extrusion; 22. a drive device; 23. a pressure sensor; 30. a second conveying device; 40. an in-place detection device; 50. a pressure controller; 61. a support; 62. a linear bearing; 63. a guide rod.
Detailed Description
The present invention is further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.
The invention is shown in fig. 1-2, and comprises a first conveying device 10 for conveying dialysate packaging bags and a bag pressing detection device 20 for detecting the dialysate packaging bags on the first conveying device 10; the press pack detection apparatus 20 includes: be located first conveyor 10 top and be used for with on the first conveyor 10 the extruded 21 of dislysate wrapping bag contact, be used for the drive the extruded 21 is close to or is kept away from the drive arrangement 22 of dislysate wrapping bag, is used for detecting pressure sensor 23 of extruded 21's pressure information, drive arrangement 22 with first conveyor 10 is according to the pressure information that pressure sensor 23 detected moves. When the scheme is used, the dialysate packaging bags can be sequentially conveyed to the detection station of the bag pressing detection device 20 through the first conveying device 10, at the moment, the driving device 22 is started to drive the extrusion piece 21 to move close to and extrude the dialysate packaging bags for a period of time, at the moment, the pressure sensor 23 can detect the pressure change information of the extrusion piece 21 in the period of time, if no bag leakage occurs in the dialysate packaging bags, the pressure value can be kept within a certain range of value and changed, when the dialysate packaging bag leaks, the detected pressure value will drop along with the extrusion, at this time, the driving device 22 will control the extrusion piece 21 to lift upwards so that it will not extrude the dialysate packaging bag any more, meanwhile, the first conveying device 10 stops operating and does not convey the dialysate packaging bag backwards any more, and the staff member discharges the leaked dialysate packaging bag and then detects the next dialysate packaging bag again. Through the setting, can accomplish automatically and detect every dislysate wrapping bag leak protection, ensure not to omit any dislysate wrapping bag, when guaranteeing to detect the rate of accuracy, also improve the work efficiency of whole packing transfer chain.
As a preferred embodiment of the present invention, it may also have the following additional technical features:
in this embodiment, referring to fig. 2, an in-place detection device 40 for detecting whether a dialysate packaging bag reaches a station of the bag pressing detection device 20 is further provided, the in-place detection device 40 is provided on the first conveying device 10 corresponding to the pressing member 21, and the driving device 22 and the first conveying device 10 operate according to information detected by the in-place detection device 40. When the in-place detection device 40 detects that a dialysate packaging bag exists, the first conveying device 10 stops operating, so that the dialysate packaging bag stays below the extrusion member 21, and the driving device 22 starts to drive the extrusion member 21 to move downwards to extrude the dialysate packaging bag and detect the dialysate packaging bag. Through the setting of detection device 40 that targets in place, can ensure that every dislysate wrapping bag all can carry out the edge leakage when pressing a packet detection device 20, prevent the condition of lou examining. Meanwhile, the operation of each device is more intelligent and more orderly.
In the present embodiment, as shown in fig. 2, the present invention further includes a pressure controller 50, and the driving device 22 operates according to a pressure value set by the pressure controller 50. Through the setting, the staff can preset the pressure budget value that the dislysate wrapping bag can bear, and then drive arrangement 22 just can correspond the degree of depth that controls self decline according to this budget value to prevent that the crowded pressure degree of extruded piece 21 is too big and crowd the explosion with the dislysate wrapping bag.
In this embodiment, as shown in fig. 2, a guide assembly for guiding the lifting and lowering movement of the pressing member 21 is further included. Through the setting of direction subassembly, can provide the effect of guide for extruded piece 21, can ensure that when drive arrangement 22 drives extruded piece 21 lift and move, extruded piece 21 all moves along fixed stroke, prevents to take place the skew when extruded piece 21 moves.
With reference to fig. 2, in combination with the arrangement of the above-mentioned guide assembly, specifically, the guide assembly includes a bracket 61 erected above the first conveying device 10, a linear bearing 62 vertically arranged on the bracket 61, and a guide rod 63 sleeved in the linear bearing 62, and one end of the guide rod 63 is fixedly connected with the extrusion member 21. Wherein drive arrangement 22 sets up in on the support 61, extruded piece 21 is located the opposite face of support 61, and when drive arrangement 22 drive extruded piece 21 moved, extruded piece 21 did the lift and move in vertical direction under the effect of guide bar 63 and linear bearing 62 to this realization is to the extrusion of dislysate wrapping bag and is detected and reset.
In this embodiment, referring to fig. 2, the driving device 22 includes a screw transmission mechanism and a motor for driving the screw transmission mechanism to operate. Through choosing for use lead screw drive's drive mode, can control the lead screw lift distance of removal accurately, and then realize pressure control's purpose, the staff can adjust the descending height of control extruded article 21 according to the dislysate wrapping bag of difference from this, prevents that too high and extrusion speed is too fast and lead to the dislysate wrapping bag to be crowded and explode, causes cost loss and pollution transfer chain. In other embodiments, the driving device 22 can be realized by directly using a cylinder, and is not limited to the above implementation.
In this embodiment, the pressure sensor further comprises a reminding device for reminding a worker, and the reminding device acts according to the pressure information detected by the pressure sensor 23. By combining the above operations, when the pressure sensor 23 detects that the pressure information of the extrusion member 21 gradually decreases with time, it is determined that the dialysate packaging bag leaks air, the reminding device is started to remind the worker to take out the problematic dialysate packaging bag and clean the first conveying device 10, and then the next dialysate packaging bag is detected again. Through reminding device's setting, the staff can be timely and accurate discovery correspond the gas leakage dislysate wrapping bag on the detection station to clear up, avoid causing the pollution to other products and devices on the transfer chain, ensure can not take place to omit. Specifically, reminding device can be bee calling organ or warning light etc. have obvious prompt facility's device for can feed back information to the staff the very first time when detecting the problem, and then in time handle nonconforming product, improve work efficiency.
In this embodiment, referring to fig. 1, the bale pressing detection device 20 is provided in plurality and each bale pressing detection device 20 is arranged at intervals along the first conveying device 10. Through the setting, the accessible is first conveyor 10 carries a plurality of dialysate packaging bags to each simultaneously and presses a packet detection device 20 below, all arrives behind the detection station when the dialysate packaging bag, alright start used this moment press a packet detection device 20 to carry out the gas leakage detection to a plurality of dialysate packaging bags simultaneously, from this efficiency that improves the detection. Meanwhile, a plurality of bale pressing detection devices 20 can be arranged perpendicular to the first conveying device 10 by increasing the width of the first conveying device 10.
In this embodiment, referring to fig. 1, a second conveying device 30 is further included, which is in communication with the first conveying device 10, and the conveying speeds of the second conveying device 30 and the first conveying device 10 are different. Through multistage differential conveyor's setting, can only set up first conveyor 10 into the detection section, the transport speed of this section satisfies the needs that detect and sets up to interrupted operation, and second conveyor 30 sets up when first conveyor 10's front end, can arrange the dislysate wrapping bag that needs to carry out the detection in advance well earlier, when setting up the rear end at first conveyor 10, then can keep higher speed always, will detect the dislysate wrapping bag of accomplishing and send to export packing fast.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. The dialysate packaging bag leakage detection device is characterized by comprising a first conveying device (10) for conveying dialysate packaging bags and a bag pressing detection device (20) for detecting the dialysate packaging bags on the first conveying device (10);
the press pack detection device (20) includes:
a pressing member (21) located above the first conveying device (10) and used for contacting the dialysate packaging bag on the first conveying device (10);
a drive means (22) for driving the expression member (21) closer to or away from the dialysate packaging bag,
a pressure sensor (23) for detecting pressure information of the pressing member (21), the driving device (22) and the first conveying device (10) acting according to the pressure information detected by the pressure sensor (23).
2. The dialysate packaging bag leak detector according to claim 1, further comprising an in-position detector (40) for detecting whether a dialysate packaging bag reaches a position of the bag pressing detector (20), wherein the in-position detector (40) is provided on the first conveyor (10) corresponding to the pressing member (21), and the driver (22) and the first conveyor (10) operate according to information detected by the in-position detector (40).
3. The dialysate packaging bag leak detection device of claim 1, further comprising a pressure controller (50), wherein the driving device (22) operates according to a pressure value set by the pressure controller (50).
4. The dialysate packaging bag leak detection device according to claim 1, further comprising a guide assembly for guiding the lifting movement of the pressing member (21).
5. The dialysate packaging bag leakage detection device according to claim 4, wherein the guide assembly comprises a support (61) arranged above the first conveying device (10), a linear bearing (62) vertically arranged on the support (61), and a guide rod (63) sleeved in the linear bearing (62), and one end of the guide rod (63) is fixedly connected with the extrusion piece (21).
6. The dialysate packaging bag leak detection device according to claim 1, wherein the driving device (22) comprises a screw transmission mechanism and a motor for driving the screw transmission mechanism to operate.
7. The dialysate packaging bag leak detection device according to claim 1, further comprising a reminding device for reminding a worker, the reminding device acting according to the pressure information detected by the pressure sensor (23).
8. The dialysate packaging bag leak detection device according to claim 1, wherein the press pack detection device (20) is plural and each of the press pack detection devices (20) is provided at intervals along the first transport device (10).
9. The dialysate packaging bag leak detection device according to claim 1, further comprising a second delivery device (30) in communication with the first delivery device (10), the second delivery device (30) and the first delivery device (10) having different delivery rates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210398208.8A CN114993582A (en) | 2022-04-15 | 2022-04-15 | Dialysate packaging bag leak hunting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210398208.8A CN114993582A (en) | 2022-04-15 | 2022-04-15 | Dialysate packaging bag leak hunting device |
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| Publication Number | Publication Date |
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| CN114993582A true CN114993582A (en) | 2022-09-02 |
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| CN202210398208.8A Pending CN114993582A (en) | 2022-04-15 | 2022-04-15 | Dialysate packaging bag leak hunting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168733A (en) * | 2023-11-02 | 2023-12-05 | 山东一格生物科技集团有限公司 | Traditional chinese medicine preparation leak detection device |
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2022
- 2022-04-15 CN CN202210398208.8A patent/CN114993582A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168733A (en) * | 2023-11-02 | 2023-12-05 | 山东一格生物科技集团有限公司 | Traditional chinese medicine preparation leak detection device |
| CN117168733B (en) * | 2023-11-02 | 2024-01-26 | 山东一格生物科技集团有限公司 | Traditional chinese medicine preparation leak detection device |
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