CN209795928U - non-intermittent vacuum can sealing machine - Google Patents
non-intermittent vacuum can sealing machine Download PDFInfo
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- CN209795928U CN209795928U CN201821842101.3U CN201821842101U CN209795928U CN 209795928 U CN209795928 U CN 209795928U CN 201821842101 U CN201821842101 U CN 201821842101U CN 209795928 U CN209795928 U CN 209795928U
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Abstract
the utility model discloses a there is not intermittent type vacuum can seamer, including the real empty room of work that advances jar evacuation room, keep vacuum state always, go out jar evacuation room and transport jar that connect gradually through advancing jar evacuation room, work real empty room and go out jar evacuation room's conveying mechanism, be equipped with closing cap mechanism in the real empty room of work. This no intermittent type vacuum can seamer sends into the jar and goes out jar evacuation room and see off the jar through advancing jar evacuation room, advances jar evacuation room and goes out jar evacuation room evacuation back again with the real empty room intercommunication of work to make the real empty room of work and external isolated, the real empty room of work can keep vacuum state always, uninterruptedly seal the jar operation and need not the evacuation, show improvement production efficiency, this utility model is used for can seamer field.
Description
Technical Field
the utility model relates to a can seamer field especially relates to a no intermittent type vacuum can seamer.
Background
The can sealing machine is mainly used in the food packaging industry, and can filled with food is sealed, namely a cover and a can opening are sealed, so that the can is prevented from being polluted by external microorganisms. The vacuum preservation of food can inhibit the growth and reproduction of microorganism, prevent food deterioration, and prolong shelf life. However, the can seamers in the current market generally have direct sealing and do not have the function of vacuumizing, such as a hand-pulled can seamer which is widely applied.
In order to solve the technical problem of the can seamer, patent CN201721863373.7 discloses a full-automatic vacuum-pumping nitrogen-filling can seamer, wherein a vacuum-pumping nitrogen-filling mechanism is added in the can seamer to realize vacuum-pumping and nitrogen-filling of food cans. This can seamer's working process is for food can evacuation one by one then seal, need the evacuation between last can sealing operation and the next can sealing operation promptly, therefore can seamer can not seal the jar in succession, has the problem that production efficiency is low, is unfavorable for mass production.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a no intermittent type vacuum can seamer that production efficiency is high.
the utility model adopts the technical proposal that:
A non-intermittent vacuum can sealing machine comprises a can inlet vacuumizing chamber, a work vacuum chamber, a can outlet vacuumizing chamber and a conveying mechanism, wherein the can inlet vacuumizing chamber, the work vacuum chamber and the can outlet vacuumizing chamber are always kept in a vacuum state, the conveying mechanism is used for conveying cans through the can inlet vacuumizing chamber, the work vacuum chamber and the can outlet vacuumizing chamber, and a cover sealing mechanism is arranged in the work vacuum chamber.
Preferably, a first storage area for storing the cans to be sealed is arranged at the joint of the work vacuum chamber and the can inlet vacuumizing chamber, a second storage area for storing the sealed cans is arranged at the joint of the work vacuum chamber and the can outlet vacuumizing chamber, and the cover sealing mechanism is arranged between the first storage area and the second storage area.
preferably, a cover falling mechanism is arranged in front of the cover sealing mechanism, the cover falling mechanism comprises a cover falling plate, a cover falling opening is formed in the cover falling plate, a cover separating mechanism is arranged in the cover falling opening, and the cover separating mechanism comprises an upper shifting piece and a lower shifting piece which are embedded in the wall surface of the cover falling opening and can stretch out and draw back successively.
Preferably, the telescopic mechanism drives the upper shifting piece and the lower shifting piece to sequentially stretch and retract, sliding grooves are formed in the upper shifting piece and the lower shifting piece, each sliding groove comprises a first section and a second section which form a certain angle with each other, the telescopic mechanism comprises a movable push rod, and a pin shaft in sliding fit with the corresponding sliding groove is arranged on the corresponding push rod.
preferably, the cover sealing mechanism comprises a turntable, a seaming mechanism for sealing the cover and the can, and a lifting mechanism for lifting the can upwards, wherein the turntable is provided with a plurality of arc-shaped notches, and the seaming mechanism and the lifting mechanism are respectively positioned above and below one of the notches.
preferably, the seaming mechanism comprises two first seaming rollers and two second seaming rollers which are circumferentially arranged, and the first seaming rollers and the second seaming rollers are provided with rolling grooves for pressing the edge of the cover.
preferably, the automatic cap-closing device further comprises a first height adjusting mechanism for adjusting the height of the cap-falling mechanism and a second height adjusting mechanism for adjusting the height of the cap-closing mechanism.
Preferably, the first height adjusting mechanism and the second height adjusting mechanism are driven by lead screw nuts.
The tank sealing method of the non-intermittent vacuum tank sealing machine comprises the following steps: the vacuum state is always kept in the working vacuum chamber, the can is continuously sealed, the can feeding step and the can discharging step are also included, and the can feeding step is as follows:
a. isolating the tank-entering vacuum-pumping chamber from the working vacuum chamber, and sending the external tank into the tank-entering vacuum-pumping chamber;
b. Isolating the tank-entering vacuumizing chamber from the outside and vacuumizing;
c. Communicating the tank inlet vacuum pumping chamber with the working vacuum chamber, and conveying the tank in the tank inlet vacuum pumping chamber into the working vacuum chamber;
The can discharging step is as follows:
A. communicating the working vacuum chamber with the can discharging vacuum pumping chamber, and conveying the can which is subjected to can sealing in the working vacuum chamber into the can discharging vacuum pumping chamber;
B. Isolating the working vacuum chamber from the can discharging vacuum chamber, and discharging the can from the can discharging vacuum chamber;
C. And isolating the tank-out vacuumizing chamber from the outside and vacuumizing.
Preferably, when steps a and B are carried out, the cans in the first storage area in the working vacuum chamber are sent to the capping mechanism for capping, and when steps B and C are carried out, the cans in the working vacuum chamber, the capping mechanism of which is completed, are sent to the second storage area.
The utility model has the advantages that: this there is not intermittent type vacuum can seamer sends into the jar and goes out jar vacuum pumping room and send out the jar through advancing jar vacuum pumping room, advances jar vacuum pumping room and goes out jar vacuum pumping room evacuation back and then communicates with the real empty room of work to make the real empty room of work isolated with external, the real empty room of work can keep vacuum state always, uninterruptedly carry out the can sealing operation and need not the evacuation to the jar, show improvement production efficiency.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
Fig. 1 is a schematic plan view of an embodiment of the present invention;
FIG. 2 is a schematic three-dimensional structure of the working vacuum chamber housing according to the embodiment of the present invention;
FIG. 3 is a schematic plan view of a capping mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic three-dimensional structure diagram of a capping mechanism according to an embodiment of the present invention;
fig. 5 is a schematic plan view of a cover dropping mechanism according to an embodiment of the present invention;
fig. 6 is a schematic three-dimensional structure diagram of a cover dropping mechanism according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of portion A-A of FIG. 5;
Fig. 8 is a schematic diagram of a partial explosion structure of a cover dropping mechanism according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1 and 2, the utility model relates to a there is not intermittent type vacuum can seamer, including the entering jar evacuation room 1 that connects gradually, keep vacuum state's the real empty room 2 of work always, go out jar evacuation room 3 and transport jar through advancing jar evacuation room 1, the real empty room 2 of work and go out jar evacuation room 3's conveying mechanism, be equipped with closing cap mechanism 4 in the real empty room of work 2, closing cap mechanism 4 is used for sealing up lid and jar mouth. As shown in fig. 1, sealing doors, namely a first sealing door 91, a second sealing door 92, a third sealing door 93 and a fourth sealing door 94, are respectively arranged at the inlet of the tank inlet vacuumizing chamber 1, the joint of the tank inlet vacuumizing chamber 1 and the working vacuum chamber 2, the joint of the working vacuum chamber 2 and the tank outlet vacuumizing chamber 3 and the outlet of the tank outlet vacuumizing chamber 3.
the method for sealing the can of the non-intermittent vacuum can sealing machine is characterized in that the interior of the working vacuum chamber 2 is always kept in a vacuum state and the can is sealed uninterruptedly, and the method further comprises a can feeding step and a can discharging step, wherein the can feeding step comprises the following steps:
a. Closing the second sealing door 92 and opening the first sealing door 91 to isolate the can-entering vacuum-pumping chamber 1 from the working vacuum chamber 2, and sending the external can into the can-entering vacuum-pumping chamber 1;
b. Closing the first sealing door 91 to isolate the tank-entering vacuum-pumping chamber 1 from the outside, and then vacuumizing;
c. the second sealing door 92 is opened to communicate the tank-entering vacuum chamber 1 with the work vacuum chamber 2, and the tank-entering vacuum chamber 1 is sent into the work vacuum chamber 2. When all the cans in the can-entering vacuum-pumping chamber 1 are sent into the working vacuum chamber 2, the steps are repeated.
the can discharging step is as follows:
A. Opening the third sealing door 93 and closing the fourth sealing door 94 to communicate the work vacuum chamber 2 with the can discharge vacuum chamber 3, sending the cans sealed in the work vacuum chamber 2 into the can discharge vacuum chamber 3, and executing the step B after the cans in the can discharge vacuum chamber 3 are fully stored;
B. Closing the third sealing door 93 and opening the fourth sealing door 94 to isolate the work vacuum chamber 2 from the can-out vacuum chamber 3, and sending the cans in the can-out vacuum chamber 3 out;
C. The fourth sealing door 94 is closed to isolate the can evacuation chamber 3 from the outside, and then vacuum is applied. And repeating the steps.
It should be noted that the tank inlet step and the tank outlet step are not interfered with each other, and the two steps are not in sequence and can be carried out simultaneously.
this there is not intermittent type vacuum can seamer sends into the jar through advancing jar evacuation room 1 and goes out jar evacuation room 3 and send out the jar, advances jar evacuation room 1 and goes out jar evacuation room 3 evacuation back and then communicates with work vacuum room 2, so, makes work vacuum room 2 isolated with external, and work vacuum room 2 can keep the vacuum state always, uninterruptedly seals a jar operation and need not the evacuation, is showing improvement production efficiency. In addition, the tank feeding vacuumizing chamber 1 is vacuumized, which is equivalent to the vacuumizing of all the tanks in the tank feeding vacuumizing chamber 1, and compared with the conventional method for vacuumizing and sealing the tanks one by one, the production efficiency is improved. Furthermore, for the capping mechanism 4 adopting a rotating disc type, because the cover is generally an aluminum cover or a tinplate cover, the weight is light, if the capping mechanism 4 works in the outside air, the air resistance and the air flow generated by the rotation of the rotating disc 41 can bring the cover to fly, so the rotating speed of the rotating disc 41 has certain limitation, the inside of the working vacuum chamber 2 of the can sealing machine is in a vacuum state, the capping mechanism 4 works in the vacuum state, and the rotating disc 41 can not generate the air resistance and the air flow when rotating, so the rotating speed of the rotating disc 41 can be improved to the maximum extent, and the production efficiency is improved.
Preferably, a first storage area 21 for storing the cans to be sealed is arranged at the joint of the work vacuum chamber 2 and the can inlet and outlet vacuumizing chamber 1, a second storage area 22 for storing the sealed cans is arranged at the joint of the work vacuum chamber 2 and the can outlet and exhausting chamber 3, and the cover sealing mechanism 4 is arranged between the first storage area 21 and the second storage area 22. When the steps a and b are carried out, the second sealing door 92 is closed, the cans in the first storage area 21 are sent to the capping mechanism 4 for capping in the work vacuum chamber 2; when the steps B and C are performed, the third sealing door 93 is closed, and the cans sealed by the capping mechanism 4 are transferred to the second storage area 22 for temporary storage in the work vacuum chamber 2. Therefore, when the work vacuum chamber 2 is isolated from the tank inlet vacuumizing chamber 1 or the tank outlet vacuumizing chamber 3, the continuity of tank inlet and tank outlet at the position of the cover sealing mechanism 4 can be ensured, so that the cover sealing mechanism 4 can work uninterruptedly.
the conveying mechanism comprises a first conveying belt 81 arranged in front of the tank-entering vacuum-pumping chamber 1, a second conveying belt in the tank-entering vacuum-pumping chamber 1, a third conveying belt in the work vacuum chamber 2, a fourth conveying belt in the tank-exiting vacuum-pumping chamber 3 and an external fifth conveying belt 85 which are sequentially arranged.
Preferably, as shown in fig. 5 to 8, a cover dropping mechanism 5 is arranged in front of the cover sealing mechanism 4, the cover dropping mechanism 5 is used for placing the covers on the cans, the cover dropping mechanism 5 comprises a cover dropping plate 51, a cover dropping opening 52 is arranged on the cover dropping plate 51, a plurality of cover dropping rods 59 are arranged around the cover dropping opening 52, a plurality of covers are stacked in the cover dropping rods 59, and the cans are arranged below the cover dropping opening 52. The cover dropping opening 52 is provided with a cover separating mechanism which is used for separating the covers one by one, and the cover separating mechanism comprises an upper shifting piece 53 and a lower shifting piece 54 which are embedded on the wall surface of the cover dropping opening 52 and can perform telescopic action successively. In this embodiment, the cover separating mechanisms are two and arranged oppositely. The front end of the upper pulling piece 53 and the front end of the lower pulling piece 54 have a gap t therebetween, and as shown in fig. 7, the thickness of the gap t is equal to the thickness of the cover. The upper pulling piece 53 and the lower pulling piece 54 are provided with sliding grooves 55, the sliding grooves 55 comprise a first section 551 and a second section 552 which form a certain angle with each other, and the sliding grooves 55 of the upper pulling piece 53 and the sliding grooves 55 of the lower pulling piece 54 are symmetrical. The upper shifting piece 53 and the lower shifting piece 54 are driven by a telescopic mechanism to act successively to realize cover separation, the telescopic mechanism comprises a push rod 56 and a first air cylinder 58 driving the push rod 56 to move, and a pin shaft 57 in sliding fit with the sliding grooves 55 of the upper shifting piece 53 and the lower shifting piece 54 is arranged on the push rod 56. The first segment 551 of the sliding slot 55 is parallel to the moving direction of the push rod 56, so that when the push rod 56 drives the pin 57 to slide in the first segment 551, the corresponding upper pulling piece 53 or lower pulling piece 54 does not move, and when the pin 57 slides in the second segment 552, the corresponding upper pulling piece 53 or lower pulling piece 54 moves in a telescopic manner. The cover dropping process is as follows: the first air cylinder 58 extends to drive the push rod 56 to move forwards, the push rod 56 drives the upper shifting piece 53 to retract inwards through the pin shaft 57, and therefore the cover falls on the lower shifting piece 54; the first air cylinder 58 drives the push rod 56 to move backwards, and the push rod 56 drives the upper poking piece 53 to extend outwards, so that a cover is clamped between the upper poking piece 53 and the lower poking piece 54; the push rod 56 continues to move backwards, and the push rod 56 drives the lower pick 54 to retract inwards, so that the lid falls down and onto a can; the first cylinder 58 drives the push rod 56 to move forward, and the push rod 56 drives the lower shifting piece 54 to extend outwards to complete the reset. The above process is repeated and the lids are placed one by one on the pots by the linkage of the lid dropping mechanism 5 and the first conveyor belt 81.
The cover dropping mechanism 5 is disposed before the cover sealing mechanism 4, and is located before the can vacuum pumping chamber 1, or in the can vacuum pumping chamber 1 or in the work vacuum chamber 2, considering that the cover dropping mechanism 5 occupies a certain volume, if the cover dropping mechanism is disposed in the can vacuum pumping chamber 1 or in the work vacuum chamber 2, a corresponding space needs to be added, and the maintenance is inconvenient.
preferably, as shown in fig. 3 and 4, the capping mechanism 4 includes a turntable 41, a seaming mechanism 42 for sealing the lid and the can, and a lifting mechanism 43 for lifting the can upward, wherein a plurality of circular-arc-shaped notches 411 are formed on the circumference of the turntable 41, and the seaming mechanism 42 and the lifting mechanism 43 are respectively located above and below one of the notches 411. The jar card rotates along with carousel 41 in breach 411, has placed the lid on the jar bead but not sealed, and when the jar rotated and arrived the work point position promptly roll-off mechanism 42 below, hoist mechanism 43 promoted the jar upwards, makes it and roll-off mechanism 42 contact, and roll-off mechanism 42 curls jar bead and lid periphery each other, the hook-on to realize sealed, then hoist mechanism 43 descends, and carousel 41 drives the jar that accomplishes sealed and rotates to the output point position then see-off. The cover closing mechanism 4 can save space by transporting the cans by adopting the rotary disc 41, the notch 411 on the rotary disc 41 plays a role in positioning, and the rotary disc 41 can accurately transport the cans to the working position through the notch 411 for sealing.
The seaming mechanism 42 adopts double seaming, and includes two first seaming rollers 421 and two second seaming rollers 422 which are circumferentially arranged, rolling grooves with different shapes are arranged on the first seaming rollers 421 and the second seaming rollers 422, the rolling grooves are used for stitching the edges of the lids, and the first seaming rollers 421 and the second seaming rollers 422 are successively stitched on the edges of the lids, so that the lids and the can mouths are completely sealed. Lifting mechanism 43 includes the tray, with tray fixed connection's lift bar 431, buffer spring 432, drive the second cylinder 433 that lift bar 431 rises or descends, tray bearing jar, buffer spring 432 prevent that second cylinder 433 from moving too fast and leading to the jar to turn on one's side, improves job stabilization nature.
Preferably, the can seamer further comprises a first height adjusting mechanism 6 and a second height adjusting mechanism 7, wherein the first height adjusting mechanism 6 is used for adjusting the height of the cap falling mechanism 5, and the second height adjusting mechanism 7 is used for adjusting the height of the cap sealing mechanism 4, so that the can seamer is suitable for cans with different heights and has wide applicability. The first height adjusting mechanism 6 and the second height adjusting mechanism 7 are driven by lead screw nuts.
As shown in fig. 5 and 6, the first height adjusting mechanism 6 includes a plurality of support rods 61, a height adjusting plate 62, a first screw 63, and a first hand wheel 64 for controlling the first screw 63 to rotate, the height adjusting plate 62 is slidably connected to each support rod 61, a thread sleeve matched with the first screw 63 is disposed on the height adjusting plate 62, and the cover plate 51 is fixedly connected to the height adjusting plate 62 through an i-shaped plate. The operator rotates the first hand wheel 64 to rotate the first lead screw 63, so as to adjust the height of the height adjustment plate 62 and the fall cover plate 51.
As shown in fig. 3, the second height adjusting mechanism 7 is installed below the working vacuum chamber 2, and includes a plurality of guide posts 71, a lifting adjusting plate 72, a second screw rod 73 driving the lifting adjusting plate 72 to lift, and a second hand wheel 74 controlling the rotation of the second screw rod 73, wherein the upper ends of the guide posts 71 are fixedly connected with the mounting plate 44 of the capping mechanism 4, the lower ends of the guide posts 71 are fixedly connected with the lifting adjusting plate 72, and the guide posts 71 are slidably connected with the bottom plate of the working vacuum chamber 2. The lifting adjusting plate 72 is provided with a threaded sleeve matched with the second screw rod 73, and an operator rotates the second hand wheel 74 to drive the second screw rod 73 to rotate so as to adjust the heights of the lifting adjusting plate 72, the guide post 71 and the cover sealing mechanism 4.
of course, the invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (8)
1. The utility model provides a no intermittent type vacuum can seamer which characterized in that: the device comprises a tank inlet vacuumizing chamber, a work vacuum chamber, a tank outlet vacuumizing chamber and a conveying mechanism, wherein the tank inlet vacuumizing chamber, the work vacuum chamber and the tank outlet vacuumizing chamber are sequentially connected, the conveying mechanism is used for conveying a tank through the tank inlet vacuumizing chamber, the work vacuum chamber and the tank outlet vacuumizing chamber, and a cover sealing mechanism is arranged in the work vacuum chamber.
2. The non-intermittent vacuum seamer of claim 1, wherein: the device is characterized in that a first storage area for storing cans to be sealed is arranged at the joint of the working vacuum chamber and the tank inlet vacuumizing chamber, a second storage area for storing the sealed cans is arranged at the joint of the working vacuum chamber and the tank outlet vacuumizing chamber, and the cover sealing mechanism is arranged between the first storage area and the second storage area.
3. The non-intermittent vacuum seamer of claim 1, wherein: the cover falling mechanism is arranged in front of the cover sealing mechanism and comprises a cover falling plate, a cover falling opening is formed in the cover falling plate, and a cover separating mechanism is arranged in the cover falling opening.
4. the non-intermittent vacuum seamer of claim 3, wherein: the cover separating mechanism comprises an upper shifting piece and a lower shifting piece which are embedded in the wall surface of a cover opening, and a telescopic mechanism which drives the upper shifting piece and the lower shifting piece to successively stretch, wherein sliding grooves are formed in the upper shifting piece and the lower shifting piece, the sliding grooves comprise a first section and a second section which form a certain angle with each other, the telescopic mechanism comprises a movable push rod, and a pin shaft in sliding fit with the sliding grooves is arranged on the push rod.
5. The non-intermittent vacuum can seamer of any one of claims 1-4, wherein: the cover sealing mechanism comprises a rotary disc, a seaming mechanism for sealing the cover and the can, and a lifting mechanism for lifting the can upwards, wherein a plurality of arc-shaped notches are arranged on the rotary disc, and the seaming mechanism and the lifting mechanism are respectively positioned above and below one of the notches.
6. the non-intermittent vacuum seamer of claim 5, wherein: the seaming mechanism comprises two first seaming rollers and two second seaming rollers which are circumferentially arranged, and rolling grooves for pressing the edges of the covers are formed in the first seaming rollers and the second seaming rollers.
7. The non-intermittent vacuum seamer of claim 3 or 4, wherein: the height adjusting mechanism is characterized by further comprising a first height adjusting mechanism for adjusting the height of the cover falling mechanism and a second height adjusting mechanism for adjusting the height of the cover sealing mechanism.
8. The non-intermittent vacuum seamer of claim 7, wherein: the first height adjusting mechanism and the second height adjusting mechanism are driven by lead screw nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821842101.3U CN209795928U (en) | 2018-11-08 | 2018-11-08 | non-intermittent vacuum can sealing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821842101.3U CN209795928U (en) | 2018-11-08 | 2018-11-08 | non-intermittent vacuum can sealing machine |
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| Publication Number | Publication Date |
|---|---|
| CN209795928U true CN209795928U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821842101.3U Active CN209795928U (en) | 2018-11-08 | 2018-11-08 | non-intermittent vacuum can sealing machine |
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| Country | Link |
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| CN (1) | CN209795928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398799A (en) * | 2018-11-08 | 2019-03-01 | 广州市方圆机械设备有限公司 | A kind of Non-intermittent vacuum seamer and its can sealing method |
| CN111689450A (en) * | 2020-06-12 | 2020-09-22 | 淮南宜生生物科技有限公司 | Air layer eliminating mechanism for packaged food and processing equipment based on air layer eliminating mechanism |
-
2018
- 2018-11-08 CN CN201821842101.3U patent/CN209795928U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398799A (en) * | 2018-11-08 | 2019-03-01 | 广州市方圆机械设备有限公司 | A kind of Non-intermittent vacuum seamer and its can sealing method |
| CN109398799B (en) * | 2018-11-08 | 2024-05-07 | 广州市方圆机械设备有限公司 | Intermittent vacuum can sealing machine and can sealing method thereof |
| CN111689450A (en) * | 2020-06-12 | 2020-09-22 | 淮南宜生生物科技有限公司 | Air layer eliminating mechanism for packaged food and processing equipment based on air layer eliminating mechanism |
| CN111689450B (en) * | 2020-06-12 | 2022-03-25 | 安徽麦尔客生物科技有限公司 | Air layer eliminating mechanism for packaged food and processing equipment based on air layer eliminating mechanism |
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