CN212048143U - Full-automatic heat-seal vacuum packaging system - Google Patents
Full-automatic heat-seal vacuum packaging system Download PDFInfo
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- CN212048143U CN212048143U CN202020117698.6U CN202020117698U CN212048143U CN 212048143 U CN212048143 U CN 212048143U CN 202020117698 U CN202020117698 U CN 202020117698U CN 212048143 U CN212048143 U CN 212048143U
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Abstract
A full-automatic heat-seal vacuum packaging system comprises a rack, wherein a material conveying belt is installed on the rack, a bag opening leveling mechanism and a positioning mechanism are arranged above the material conveying belt, a pre-sealing mechanism is arranged between the positioning mechanism and the bag opening leveling mechanism, the pre-sealing mechanism is arranged close to the bag opening leveling mechanism, a vacuum sealing machine is arranged on one side, away from the pre-sealing mechanism, of the positioning mechanism, the positioning mechanism is arranged at the bottom of a product bag to be sealed, and the bag opening leveling mechanism is arranged at the bag opening of the product bag to be sealed; the full-automatic heat-seal vacuum packaging system also comprises a controller. Compared with the prior art, the utility model discloses in, the sack that has realized the product bag through sack levelling mechanism levels, then seals through the automation that seals mechanism and vacuum capper in advance and realize the product bag, and this structure has improved the effect of sealing of product bag, has reduced the production of defective products, and secondly the sack roughness of product bag is high, is convenient for store and transport.
Description
Technical Field
The utility model belongs to the technical field of ammunition bagging equipment manufacturing technology and specifically relates to a full-automatic heat-seal vacuum packaging system is related to.
Background
Ammunition dress is in the storage bag, need carry out the evacuation to this product bag and seal so that store and the transportation, at present, generally put into the vacuum capper through the manpower with the product bag and seal, and the human cost is high, secondly, because the sack unevenness, has the phenomenon of gas leakage when sealing, and the sack unevenness is also influencing this product and is storing and transporting.
Therefore, there is a need to provide a new fully automatic heat sealing vacuum packaging system to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a can seal automatically, and seal effectual, conveniently store the full-automatic heat seal vacuum packaging system of transportation is provided.
The utility model provides a technical scheme that its technical problem adopted, a full-automatic heat-seal vacuum packaging system, which comprises a frame, install the material conveyer belt in the frame, the top of material conveyer belt is equipped with sack levelling mechanism and positioning mechanism, be equipped with the mechanism of sealing in advance between positioning mechanism and the sack levelling mechanism, the mechanism of sealing in advance is close to sack levelling mechanism and sets up, one side that the mechanism of sealing in advance was kept away from to the positioning mechanism is equipped with the vacuum capper, positioning mechanism locates the bag bottom of waiting to seal the product bag, sack levelling mechanism locates the sack of waiting to seal the product bag; the full-automatic heat-sealing vacuum packaging system further comprises a controller, wherein the controller is electrically connected with the positioning mechanism, the pre-sealing mechanism, the bag opening leveling mechanism, the vacuum sealing machine and the material conveying belt respectively.
Preferably, the sack is leveled mechanism and is included first support, first cylinder is installed to first support, the lower extreme of first cylinder is equipped with the second cylinder, one side that the second cylinder is close to the mechanism of sealing in advance is equipped with third cylinder and fourth cylinder, one side that third cylinder and fourth cylinder are close to the mechanism of sealing in advance is equipped with first board and second board respectively, the upper end in the frame is installed to first support, first cylinder, second cylinder, third cylinder and fourth cylinder are connected with the controller electricity respectively.
Preferably, the lower extreme of second cylinder is equipped with first guide rail, the lower extreme of first guide rail is equipped with first slider, first slider and first guide rail sliding connection, third cylinder and fourth cylinder are installed to the lower extreme of first slider, and the telescopic link fixed connection of first slider and second cylinder.
Preferably, a second guide rail is arranged below the first slide block, two second slide blocks are arranged at the lower end of the second guide rail, the second slide blocks are connected with the second guide rail in a sliding mode, the lower ends of the two second slide blocks are fixedly connected with the first plate and the second plate respectively, and the third cylinder and the fourth cylinder are fixedly connected with the two second slide blocks respectively.
Preferably, the positioning mechanism comprises a second support, a fifth cylinder is mounted on the second support, a baffle is arranged at the lower end of the fifth cylinder, the second support is mounted above the rack, and the fifth cylinder is electrically connected with the controller.
Preferably, the logistics conveying belt comprises a first conveying belt and a second conveying belt, the pre-sealing mechanism comprises a third support, a sixth air cylinder is mounted on the third support, and a sealing knife is arranged at the lower end of the sixth air cylinder; the sealing device is characterized in that a base plate is further arranged below the sealing cutter, a seventh cylinder is arranged at the lower end of the base plate, the seventh cylinder is installed on the rack, the base plate is arranged between the first conveying belt and the second conveying belt, and the sixth cylinder and the seventh cylinder are respectively and electrically connected with the controller.
Preferably, the lower extreme of sixth cylinder still is equipped with material position and detects the spacing block, material position detects the spacing block and locates the one side that the sword is close to positioning mechanism that seals, material position detects the spacing block and is connected with the controller electricity.
Preferably, still include the safety cover, positioning mechanism, seal mechanism and sack leveling mechanism in advance all locate in the safety cover.
Preferably, still include calibration piece, calibration piece is two, and two calibration pieces locate the both sides of material conveyer belt respectively, and locate between positioning mechanism and the mechanism of sealing in advance.
Preferably, still be equipped with carrying mechanism between safety cover and the vacuum capper, carrying mechanism includes the fourth support, install the third guide rail on the fourth support, sliding connection has the third slider on the third guide rail, install the eighth cylinder on the third slider, the lower extreme of eighth cylinder is equipped with the connecting plate, ninth cylinder and tenth cylinder are installed to the lower extreme of connecting plate, ninth cylinder and tenth cylinder are equipped with first anchor clamps and second anchor clamps respectively, first anchor clamps and second anchor clamps are the U-shaped board, and the opening sets up in opposite directions, eighth cylinder, ninth cylinder and tenth cylinder are connected with the controller electricity respectively.
Compared with the prior art, the utility model discloses in, the sack that has realized the product bag through sack levelling mechanism levels, then seals through the automation that seals mechanism and vacuum capper in advance and realize the product bag, and this structure has improved the effect of sealing of product bag, has reduced the production of defective products, and secondly the sack roughness of product bag is high, is convenient for store and transport.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
fig. 5 is an enlarged view of the structure at B in fig. 3.
In the figure:
1. the automatic bag opening and closing machine comprises a machine frame, 2 parts of a positioning mechanism, 21 parts of a second support, 22 parts of a fifth air cylinder, 23 parts of a baffle, 3 parts of a pre-sealing mechanism, 31 parts of a third support, 32 parts of a sixth air cylinder, 33 parts of a sealing cutter, 34 parts of a material position detection isolation block, 35 parts of a seventh air cylinder, 4 parts of a bag opening leveling mechanism, 41 parts of a first support, 42 parts of a first air cylinder, 43 parts of a second air cylinder, 44 parts of a third air cylinder, 45 parts of a first plate, 46 parts of a first sliding block, 47 parts of a second guide rail, 48 parts of a second sliding block, 5 parts of a vacuum sealing machine, 6 parts of a material conveying belt, 7 parts of a calibration piece, 8 parts of a conveying mechanism, 81 parts of a fourth support, 82 parts of a third guide rail, 83 parts of a third sliding block, 84 parts of an eighth air cylinder, 85 parts of a connecting plate, 86 parts of a ninth air cylinder, 87.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to the attached drawings 1-5, the automatic bag opening sealing machine comprises a rack 1, wherein a material conveyor belt 6 is installed on the rack 1, a bag opening leveling mechanism 4 and a positioning mechanism 2 are arranged above the material conveyor belt 6, a pre-sealing mechanism 3 is arranged between the positioning mechanism 2 and the bag opening leveling mechanism 4, the pre-sealing mechanism 3 is arranged close to the bag opening leveling mechanism 4, a vacuum sealing machine 5 is arranged on one side, away from the pre-sealing mechanism 3, of the positioning mechanism 2, and the positioning mechanism 2 is arranged at the bag bottom of a product bag to be sealed and used for preventing the product bag to be sealed from moving; the bag opening flattening mechanism 4 is arranged at the bag opening of the product bag to be sealed and is used for flattening the bag opening of the product bag to be sealed; the full-automatic heat-sealing vacuum packaging system further comprises a controller, and the controller is electrically connected with the positioning mechanism 2, the pre-sealing mechanism 3, the bag opening leveling mechanism 4, the vacuum sealing machine 5 and the material conveying belt 6 respectively. The positioning mechanism 2, the bag mouth leveling mechanism 4 and the pre-sealing mechanism 3 are all arranged on the frame 1.
The bag mouth leveling mechanism 4 comprises a first support 41, a first air cylinder 42 is installed on the first support 41, a second air cylinder 43 is arranged at the lower end of the first air cylinder 42, a third air cylinder 44 and a fourth air cylinder are arranged on one side, close to the pre-sealing mechanism 3, of the second air cylinder 43, a first plate 45 and a second plate are respectively arranged on one side, close to the pre-sealing mechanism 3, of the third air cylinder 44 and one side, close to the pre-sealing mechanism 3, of the fourth air cylinder, the first support 41 is installed at the upper end of the rack 1, and the first air cylinder 42, the second air cylinder 43, the third air cylinder 44 and the fourth air cylinder are respectively. The first air cylinder 42 works, the second air cylinder 43 moves downwards, then the second air cylinder 43 works, the third air cylinder 44 and the fourth air cylinder move towards the direction of the positioning mechanism 2, namely move forwards, the first plate 45 and the second plate stretch into the bag openings of the product bags to be sealed, the third air cylinder 44 and the fourth air cylinder work, the first plate 45 and the second plate in the bag openings respectively move towards the two sides of the rack 1, and the bag openings of the product bags to be sealed are leveled by the first plate 45 and the second plate.
The lower extreme of second cylinder 43 is equipped with first guide rail, and the lower extreme of first guide rail is equipped with first slider 46, first slider 46 and first guide rail sliding connection, and third cylinder 44 and fourth cylinder are installed to the lower extreme of first slider 46, and the telescopic link fixed connection of first slider 46 and second cylinder 43. This arrangement makes it possible to make the third cylinder 44 and the fourth cylinder move more smoothly in the longitudinal direction of the frame 1 when the second cylinder 43 is operated.
A second guide rail 47 is arranged below the first slide block 46, two second slide blocks 48 are arranged at the lower end of the second guide rail 47, the second slide blocks 48 are connected with the second guide rail 47 in a sliding manner, the lower ends of the two second slide blocks 48 are fixedly connected with the first plate 45 and the second plate respectively, and the third air cylinder 44 and the fourth air cylinder are fixedly connected with the two second slide blocks 48 respectively. This arrangement makes it possible to make the first plate 45 and the second plate move more smoothly in the width direction of the frame 1 when the third cylinder 44 and the fourth cylinder are operated.
Two limiting rods are respectively arranged on two sides of the first sliding block 46, the number of the limiting rods is two, and the two second sliding blocks 48 are arranged between the two limiting rods. Through setting up the gag lever post, can prevent that first board 45 and second board will wait to seal the sack of product bag and tear.
The positioning mechanism 2 comprises a second support 21, a fifth cylinder 22 is mounted on the second support 21, a baffle 23 is arranged at the lower end of the fifth cylinder 22, the second support 21 is mounted above the rack 1, and the fifth cylinder 22 is electrically connected with the controller. The fifth cylinder 22 works, the baffle plate 23 moves downwards to block the product bag to be sealed, the baffle plate moves upwards, and the sealed product bag is conveyed to the next working procedure.
The logistics conveyor belt comprises a first conveyor belt and a second conveyor belt, the pre-sealing mechanism 3 comprises a third support 31, a sixth air cylinder 32 is mounted on the third support 31, and a sealing cutter 33 is arranged at the lower end of the sixth air cylinder 32; the lower part of the sealing cutter 33 is also provided with a backing plate, the lower end of the backing plate is provided with a seventh cylinder 35, the seventh cylinder 35 is installed on the frame 1, the backing plate is arranged between the first conveyor belt and the second conveyor belt, and the sixth cylinder 32 and the seventh cylinder 35 are respectively electrically connected with the controller. The sixth cylinder 32 and the seventh cylinder 35 work, the backing plate moves upwards, the sealing cutter 33 moves downwards, the sixth cylinder and the seventh cylinder compress the bag opening of the product bag, the high temperature of the sealing cutter 33 seals the bag opening of the product bag, and a plurality of bulges are distributed at the lower end of the sealing cutter 33 in an array mode, so that the bag opening of the product bag is not completely sealed, and conditions are provided for subsequent vacuum sealing. Through the arrangement, the bag opening of the product bag can be kept flat, and the sealing effect of the vacuum seal is improved.
The lower extreme of sixth cylinder 32 still is equipped with material position and detects spacing block 34, and material position detects spacing block 34 and locates the one side that seals sword 33 and be close to positioning mechanism 2, and material position detects spacing block 34 and is connected with the controller electricity. Through setting up material position detection spacer 34, guarantee to seal sword 33 and ammunition interval and be more than 25mm, when the distance of the ammunition in sword 33 and the product bag of sealing is less than 25mm, the last inductor of material position detection spacer 34 will report to the police. The distance is set because the temperature conducted by the air at 25mm from the spacer is 50 deg. or less.
This embodiment still includes the safety cover, and positioning mechanism 2, seal mechanism 3 in advance and sack leveling mechanism 4 all locate in the safety cover. Through setting up the safety cover, can reduce the emergence of potential safety hazard with hazard source control in the safety cover.
This embodiment still includes calibration piece 7, and calibration piece 7 is two, and two calibration pieces 7 are located the both sides of material conveyer belt 6 respectively, and locate positioning mechanism 2 and seal between the mechanism 3 in advance. When the product bag to be sealed enters between the two calibration pieces 7, the calibration pieces 7 calibrate the position of the product bag to be sealed, so that the sealing knife 33 can accurately seal the bag opening.
The calibration piece 7 comprises a first flat plate and a first inclined plate, wherein the first inclined plate is bent and extended from one end, close to the pre-sealing mechanism 3, of the first flat plate to the direction far away from the product bag to be sealed. The interval that calibration piece 7 is close to 3 one ends of mechanism of sealing in advance is greater than the interval of the other end, treats that the product bag that seals enters into first flat board along first swash plate when, can the automatic adjustment position.
A conveying mechanism 8 is arranged between the protective cover and the vacuum sealing machine 5, the conveying mechanism 8 comprises a fourth bracket 81, and the fourth bracket 81 is provided withThe semi-sealed bag opening device is provided with a third guide rail 82, a third slide block 83 is connected to the third guide rail 82 in a sliding mode, an eighth air cylinder 84 is installed on the third slide block 83, a connecting plate 85 is arranged at the lower end of the eighth air cylinder 84, a ninth air cylinder 86 and a tenth air cylinder 87 are installed at the lower end of the connecting plate 85, a first clamp 88 and a second clamp 89 are respectively arranged on the ninth air cylinder 86 and the tenth air cylinder 87, the first clamp 88 and the second clamp 89 are both U-shaped plates, and openings of the first clamp 88 and the second clamp 89 are arranged oppositely so as to clamp a semi-sealed product bag; the eighth cylinder 84, the ninth cylinder 86, and the tenth cylinder 87 are electrically connected to the controller, respectively. The ninth cylinder 86 and the tenth cylinder 87 are operated to open the first clamp 88 and the second clamp 89, the eighth cylinder 84 is operated, the first clamp 88 and the second clamp 89 move downward to respectively fall to both ends of the semi-sealed product bag, the eighth cylinder 84 is operated, the first clamp 88 and the second clamp 89 are closed to clamp the product bag, the third slide block 83 moves above the third conveyor belt along the third guide rail 82, the eighth cylinder 84 is operated, the product bag rotates 900And downward movement, ninth cylinder 86 and tenth cylinder 87 are operated, first 88 and second 89 clamps are opened to place the product bag on the third conveyor, eighth cylinder 84 is operated, first 88 and second 89 clamps are opened, and then upward movement and rotation 90 is performed0And the third slider 83 slides along the third guide rail 82. In this embodiment, a lead screw is mounted on the third guide rail 82, and the lead screw is in threaded connection with the third slider 83.
The utility model discloses in, baffle 23 downstream, treat to seal the product bag and carry baffle 23 department through material conveyer belt 6, material conveyer belt 6 stop work, first board 45 and second board downstream, then move forward and stretch into the sack of treating to seal the product bag, first board 45 and second board open and flare-up the sack. Seal sword 33 downstream, backing plate rebound simultaneously, both compress tightly the sack and carry out the heat-seal, and this setting keeps leveling when making the sack heat-seal, and the heat-seal is effectual, and the sack is for incompletely heat-seal so that follow-up vacuum seal. After heat sealing is complete, the first panel 45 and second panel move back out of the pocket and then back to the original position, sealing knife 33 moves up, the caul moves down and flap 23 moves up. The material conveyor 6 is operated and the heat sealed product bags are conveyed to the conveying mechanism 8, the first clamp 88 and the second clampThe tool 89 is opened and then moved downwardly to clamp the product bag, the product bag is fed along the third guide 82 onto the third conveyor, and the first clamp 88 and the second clamp 89 are rotated 900And then lowered to place the product bags on a third conveyor. The first clamp 88 and the second clamp 89 return to the initial position, when a plurality of product bags are placed on the third conveyor belt, the third conveyor belt works to convey the product bags into the vacuum sealing machine 5 to be sealed, and poor sealing caused by bag opening wrinkles can be avoided when the product bags are sealed again because the bag openings of the product bags are flat and part of the product bags are sealed. Secondly, this setting can carry out the final sealing to a plurality of product bags simultaneously, improves vacuum capper 5's work efficiency, reduces the cost. Through this application, realized sealing the automation of product bag, and seal through twice, improved the effect of sealing of product bag, reduced the production of defective products, secondly the sack roughness of product bag is high, is convenient for store and transport.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A full-automatic heat-seal vacuum packaging system is characterized by comprising a rack, wherein a material conveying belt is installed on the rack, a bag opening leveling mechanism and a positioning mechanism are arranged above the material conveying belt, a pre-sealing mechanism is arranged between the positioning mechanism and the bag opening leveling mechanism, the pre-sealing mechanism is arranged close to the bag opening leveling mechanism, a vacuum sealing machine is arranged on one side, away from the pre-sealing mechanism, of the positioning mechanism, the positioning mechanism is arranged at the bottom of a product bag to be sealed, and the bag opening leveling mechanism is arranged at the bag opening of the product bag to be sealed; the full-automatic heat-sealing vacuum packaging system further comprises a controller, wherein the controller is electrically connected with the positioning mechanism, the pre-sealing mechanism, the bag opening leveling mechanism, the vacuum sealing machine and the material conveying belt respectively.
2. The full-automatic heat-seal vacuum packaging system of claim 1, wherein the bag mouth leveling mechanism comprises a first support, the first support is provided with a first air cylinder, the lower end of the first air cylinder is provided with a second air cylinder, one side of the second air cylinder, which is close to the pre-sealing mechanism, is provided with a third air cylinder and a fourth air cylinder, one side of the third air cylinder and one side of the fourth air cylinder, which are close to the pre-sealing mechanism, are respectively provided with a first plate and a second plate, the first support is arranged at the upper end of the rack, and the first air cylinder, the second air cylinder, the third air cylinder and the fourth air cylinder are respectively electrically connected with the controller.
3. The fully automatic heat-sealing vacuum packaging system according to claim 2, wherein a first guide rail is arranged at the lower end of the second air cylinder, a first sliding block is arranged at the lower end of the first guide rail, the first sliding block is connected with the first guide rail in a sliding manner, a third air cylinder and a fourth air cylinder are arranged at the lower end of the first sliding block, and the first sliding block is fixedly connected with the telescopic rod of the second air cylinder.
4. The fully automatic heat-seal vacuum packaging system of claim 3, wherein a second guide rail is arranged below the first slide block, two second slide blocks are arranged at the lower end of the second guide rail, the second slide blocks are slidably connected with the second guide rail, the lower ends of the two second slide blocks are fixedly connected with the first plate and the second plate respectively, and the third cylinder and the fourth cylinder are fixedly connected with the two second slide blocks respectively.
5. The fully automatic heat-sealing vacuum packaging system according to claim 4, wherein the positioning mechanism comprises a second bracket, the second bracket is provided with a fifth cylinder, the lower end of the fifth cylinder is provided with a baffle plate, the second bracket is arranged above the rack, and the fifth cylinder is electrically connected with the controller.
6. The full-automatic heat-seal vacuum packaging system of claim 5, wherein the material conveyor belt comprises a first conveyor belt and a second conveyor belt, the pre-sealing mechanism comprises a third support, a sixth air cylinder is mounted on the third support, and a sealing knife is arranged at the lower end of the sixth air cylinder; the sealing device is characterized in that a base plate is further arranged below the sealing cutter, a seventh cylinder is arranged at the lower end of the base plate, the seventh cylinder is installed on the rack, the base plate is arranged between the first conveying belt and the second conveying belt, and the sixth cylinder and the seventh cylinder are respectively and electrically connected with the controller.
7. The fully automatic heat-sealing vacuum packaging system of claim 6, wherein a material position detection isolation block is further arranged at the lower end of the sixth cylinder, the material position detection isolation block is arranged at one side of the sealing knife close to the positioning mechanism, and the material position detection isolation block is electrically connected with the controller.
8. The fully automatic heat-seal vacuum packaging system of claim 7, further comprising a protective cover, wherein the positioning mechanism, the pre-sealing mechanism and the bag mouth leveling mechanism are all disposed in the protective cover.
9. The fully automatic heat-seal vacuum packaging system of claim 8, further comprising two calibration members, wherein the two calibration members are respectively disposed on two sides of the material conveying belt and between the positioning mechanism and the pre-sealing mechanism.
10. The fully automatic heat-sealing vacuum packaging system according to claim 9, wherein a conveying mechanism is further arranged between the protective cover and the vacuum sealing machine, the conveying mechanism comprises a fourth support, a third guide rail is mounted on the fourth support, a third slider is slidably connected to the third guide rail, an eighth cylinder is mounted on the third slider, a connecting plate is arranged at the lower end of the eighth cylinder, a ninth cylinder and a tenth cylinder are mounted at the lower end of the connecting plate, a first clamp and a second clamp are respectively arranged on the ninth cylinder and the tenth cylinder, the first clamp and the second clamp are both U-shaped plates, openings of the first clamp and the second clamp are oppositely arranged, and the eighth cylinder, the ninth cylinder and the tenth cylinder are respectively electrically connected with a controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117698.6U CN212048143U (en) | 2020-01-18 | 2020-01-18 | Full-automatic heat-seal vacuum packaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117698.6U CN212048143U (en) | 2020-01-18 | 2020-01-18 | Full-automatic heat-seal vacuum packaging system |
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| Publication Number | Publication Date |
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| CN212048143U true CN212048143U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020117698.6U Active CN212048143U (en) | 2020-01-18 | 2020-01-18 | Full-automatic heat-seal vacuum packaging system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118270317A (en) * | 2024-05-31 | 2024-07-02 | 河南云瀚实业有限公司 | Full-automatic vacuum particle packaging machine |
-
2020
- 2020-01-18 CN CN202020117698.6U patent/CN212048143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118270317A (en) * | 2024-05-31 | 2024-07-02 | 河南云瀚实业有限公司 | Full-automatic vacuum particle packaging machine |
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