CN215664220U - Bag opening unfolding detection mechanism of bag feeding type packaging machine - Google Patents
Bag opening unfolding detection mechanism of bag feeding type packaging machine Download PDFInfo
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- CN215664220U CN215664220U CN202121801095.9U CN202121801095U CN215664220U CN 215664220 U CN215664220 U CN 215664220U CN 202121801095 U CN202121801095 U CN 202121801095U CN 215664220 U CN215664220 U CN 215664220U
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Abstract
The utility model provides a give pocket type packagine machine's sack and expand detection mechanism, includes that frame, drive unit, wrapping bag press from both sides and send the device, the wrapping bag press from both sides and send the device to include that at least one inhales a bag unit group, inhales a bag unit group and includes two and inhale a bag unit, characterized in that: two bag suction units of the same bag suction unit group are respectively arranged on the two positioning rods and are oppositely arranged; the bag suction unit comprises a mounting seat, a vacuum chuck and a capacitive sensing switch, the mounting seat is fixed on the positioning rod, the vacuum chuck and the capacitive sensing switch are respectively mounted on the mounting seat, and the vacuum chuck is communicated with an external vacuum pump. Compared with the prior art, the utility model has the advantages that the capacitive inductive switch is adopted to replace a negative pressure meter for detection, and the structure is improved, so that the detection result is more accurate, the utility model is suitable for a packaging machine for packaging various materials by adopting prefabricated bags, the yield is greatly improved, and the requirement of large-scale industrial production is met.
Description
Technical Field
The present invention relates to a bag opening unfolding apparatus for a packaging bag of a bag feeding type packaging machine, and more particularly, to a bag opening unfolding detection mechanism for a bag feeding type packaging machine which performs packaging using a prefabricated bag.
Background
The structure of the bag feeding type packaging machine generally comprises an intermittent packaging bag conveying mechanism, a bag opening unfolding mechanism, a filling device, a heat sealing mechanism, a bag feeding mechanism and a bag discharging mechanism. The bag opening unfolding mechanism is generally formed by oppositely arranging two vacuum suckers, and is used for sucking two side walls of the packaging bag and enabling the two side walls to move reversely, so that the purpose of opening the bag opening of the packaging bag is achieved.
At present, whether a bag opening of a packaging bag is opened or not is usually detected by respectively detecting the vacuum degrees of vacuum pumping pipelines communicated with two vacuum suckers, and equipment for detecting the vacuum degrees is usually a negative pressure meter.
However, the applicant has found that the detection method has the possibility of error, and once the vacuum chuck is damaged or blocked by foreign matters, the data obtained by the negative pressure meter can be normal.
For this purpose, the applicant has used preformed bags for packaging on a bag-feeding packaging machine, the material to be packaged being solid, liquid or the like. The applicant improves the bag opening unfolding mechanism to adapt to the packaging machine which adopts the prefabricated bags to package materials.
Disclosure of Invention
The utility model aims to provide a bag opening unfolding detection mechanism of a bag feeding type packaging machine, which has more accurate detection result and is suitable for a packaging machine for packaging materials by adopting prefabricated bags. The technical scheme is as follows:
the utility model provides a give pocket type packagine machine's sack and expand detection mechanism, includes that frame, drive unit, wrapping bag press from both sides and send the device, the wrapping bag press from both sides and send the device to include that at least one inhales a bag unit group, inhales a bag unit group and includes two and inhale a bag unit, characterized in that: two bag suction units of the same bag suction unit group are respectively arranged on the two positioning rods and are oppositely arranged; the bag suction unit comprises a mounting seat, a vacuum chuck and a capacitive sensing switch, the mounting seat is fixed on the positioning rod, the vacuum chuck and the capacitive sensing switch are respectively mounted on the mounting seat, and the vacuum chuck is communicated with an external vacuum pump.
The packaging bag clamping and conveying device further comprises two positioning rods which are parallel to each other, the driving unit is installed on the rack, two cross beams are arranged on the rack, the bottom of each cross beam is provided with a guide rod which extends transversely and is parallel to each other, the two guide rods are respectively sleeved with a first sliding seat and a second sliding seat, two ends of one positioning rod are respectively connected with the first sliding seats on the two guide rods, two ends of the other positioning rod are respectively connected with the second sliding seats on the two guide rods, and the driving unit is respectively connected with the two first sliding seats and the two second sliding seats.
In a preferred scheme, the vacuum chuck is positioned at the lower side of the mounting seat, and the capacitive sensing switch is positioned above the vacuum chuck. Due to the structural design, the capacitive sensing switch can approach and detect the prefabricated bag conveniently.
The better scheme, vacuum chuck includes the cavity connecting rod of the external evacuation pump of sucking disc body, accessible trachea intercommunication, and the cavity connecting rod is fixed on the mount pad, and the sucking disc body is installed at cavity connecting rod front end, and cavity connecting rod rear end has the screwed joint who is used for connecting the trachea. Install trachea one end on the threaded joint of cavity connecting rod rear end, the external evacuation pump of trachea other end intercommunication can let vacuum chuck work, inhales the bag.
In a preferred embodiment, the driving unit includes four cylinders, and the four cylinders are respectively connected to the two first sliding seats and the two second sliding seats through connecting rods. The driving unit can also adopt a mechanical mechanism consisting of a motor, a cam, a gear, a connecting rod and the like to respectively drive the two first sliding seats and the two second sliding seats.
Compared with the prior art, the utility model has the advantages that the capacitive inductive switch is adopted to replace a negative pressure meter for detection, and the structure is improved, so that the detection result is more accurate, the utility model is suitable for a packaging machine for packaging materials by adopting prefabricated bags, the yield is greatly improved, and the requirement of large-scale industrial production is met.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of the present invention;
FIG. 2 is a reference view showing a usage state of the suction bag unit group of the embodiment shown in FIG. 1;
FIG. 3 is a left side view of FIG. 2;
fig. 4 is a top view of fig. 2.
Detailed Description
As shown in fig. 1-4, the pocket opening unfolding detection mechanism of a pocket packaging machine according to an embodiment of the present application includes a frame 1, a driving unit (not visible in the drawings), two positioning rods 2 parallel to each other, and a pocket suction unit group 3, where the driving unit is installed on the frame 1, two beams 101 are provided on the frame 1, a guide rod 102 extending along a transverse direction and parallel to each other is provided at the bottom of each beam 101, a first sliding seat 103 and a second sliding seat 104 are respectively sleeved on the two guide rods 102, two ends of one positioning rod 2 are respectively connected to the first sliding seats 103 on the two guide rods 102, two ends of the other positioning rod 2 are respectively connected to the second sliding seats 104 on the two guide rods 102, the driving unit is respectively connected to the two first sliding seats 103 and the two second sliding seats 104, and the pocket suction unit group 3 includes two pocket suction units 301.
Two bag suction units 301 of the same bag suction unit group 3 are respectively arranged on the two positioning rods 2, and the two bag suction units 301 are oppositely arranged; the bag suction unit 301 comprises a mounting seat 3011, a vacuum chuck 3012 and a capacitive sensing switch 3013, the mounting seat 3011 is fixed on the positioning rod 2, the vacuum chuck 3012 and the capacitive sensing switch 3013 are respectively mounted on the mounting seat 3011, and the vacuum chuck 3012 is communicated with an external vacuum pump.
The vacuum chuck 3012 is located at the lower side of the mounting seat 3011, and the capacitive sensing switch 3013 is located above the vacuum chuck 3012. Due to the structural design, the capacitive sensing switch 3013 can approach and detect a prefabricated bag conveniently.
The vacuum chuck 3012 comprises a chuck body 30121 and a hollow connecting rod 30122 which can be communicated with an external vacuum pump through an air pipe, the hollow connecting rod 30122 is fixed on the mounting seat 3011, the chuck body 30121 is mounted at the front end of the hollow connecting rod 30122, and the rear end of the hollow connecting rod 30122 is provided with a screwed joint 301221 for connecting the air pipe. One end of the air pipe is arranged on the threaded connector 301221 at the rear end of the hollow connecting rod 30122, and the other end of the air pipe is communicated with an external vacuum pump, so that the vacuum sucker 3012 can work to suck bags.
In an alternative embodiment, the driving unit comprises four cylinders, and the four cylinders are respectively connected with the two first sliding seats 103 and the two second sliding seats 104 through connecting rods 105.
In another alternative embodiment, the driving unit may also use a mechanical mechanism composed of a motor, a cam, a gear, a link, etc. to drive the two first sliding seats 103 and the two second sliding seats 104 through four links 105, respectively.
The following operation is described with reference to fig. 1-4:
the bag-feeding type packaging machine is provided with a PLC control device, the two capacitive sensing switches 3013 are respectively electrically connected with the PLC control device, the two capacitive sensing switches 3013 respectively transmit detection signals to the PLC control device, and the PLC control device controls the driving unit to work and respectively drive the two first sliding seats 103 and the two second sliding seats 104 to move, so that the two positioning rods 2 are continuously opened and closed.
When the two positioning rods 2 are closed, the two bag suction units 301 of the bag suction unit group 3 respectively suck the two side walls of the packaging bag 4, then the two positioning rods 2 are opened, the two bag suction units 301 of the bag suction unit group 3 drive the two side walls of the packaging bag 4 to move towards opposite directions, and the bag opening of the packaging bag 4 is opened.
In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and the equivalent or simple change of the structure, the characteristics and the principle described in the present patent idea is included in the protection scope of the present patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.
Claims (5)
1. The utility model provides a give pocket type packagine machine's sack and expand detection mechanism, includes that frame, drive unit, wrapping bag press from both sides and send the device, the wrapping bag press from both sides and send the device to include that at least one inhales a bag unit group, inhales a bag unit group and includes two and inhale a bag unit, characterized in that: two bag suction units of the same bag suction unit group are respectively arranged on the two positioning rods and are oppositely arranged; the bag suction unit comprises a mounting seat, a vacuum chuck and a capacitive sensing switch, the mounting seat is fixed on the positioning rod, the vacuum chuck and the capacitive sensing switch are respectively mounted on the mounting seat, and the vacuum chuck is communicated with an external vacuum pump.
2. The pocket opening spread detecting mechanism of the pocket-feeding type packing machine as claimed in claim 1, wherein: the packaging bag clamping and conveying device further comprises two positioning rods which are parallel to each other, the driving unit is installed on the rack, two cross beams are arranged on the rack, the bottom of each cross beam is provided with a guide rod which extends transversely and is parallel to each other, a first sliding seat and a second sliding seat are sleeved on the two guide rods respectively, the two ends of one positioning rod are connected with the first sliding seats on the two guide rods respectively, the two ends of the other positioning rod are connected with the second sliding seats on the two guide rods respectively, and the driving unit is connected with the two first sliding seats and the two second sliding seats respectively.
3. The pocket opening spread detecting mechanism of the pocket-feeding type packing machine as claimed in claim 1, wherein: the vacuum chuck is located the mount pad downside, and capacitanc inductive switch is located the vacuum chuck top.
4. The pocket opening spread detecting mechanism of a pocket-feeding type packing machine according to claim 3, wherein: the vacuum chuck comprises a chuck body, a hollow connecting rod communicated with an external vacuumizing pump through an air pipe, the hollow connecting rod is fixed on the mounting seat, the chuck body is mounted at the front end of the hollow connecting rod, and the rear end of the hollow connecting rod is provided with a threaded joint used for connecting the air pipe.
5. The pocket opening spread detecting mechanism of the pocket-feeding type packing machine as claimed in claim 1, wherein: the driving unit comprises four air cylinders which are respectively connected with two first sliding seats and two second sliding seats through connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121801095.9U CN215664220U (en) | 2021-08-04 | 2021-08-04 | Bag opening unfolding detection mechanism of bag feeding type packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121801095.9U CN215664220U (en) | 2021-08-04 | 2021-08-04 | Bag opening unfolding detection mechanism of bag feeding type packaging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215664220U true CN215664220U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121801095.9U Active CN215664220U (en) | 2021-08-04 | 2021-08-04 | Bag opening unfolding detection mechanism of bag feeding type packaging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215664220U (en) |
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2021
- 2021-08-04 CN CN202121801095.9U patent/CN215664220U/en active Active
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