CN218907872U - Prefabricated bag cover bag capper - Google Patents

Abstract

The utility model discloses a prefabricated bag sleeving and sealing machine, which comprises the following steps: a frame; the frame is provided with: a first conveying mechanism for conveying the product to be bagged, a second conveying mechanism for conveying the product after bagging, a prefabricated bag feeding mechanism for placing the prefabricated bag to be used, a prefabricated bag transferring mechanism for grabbing the prefabricated bag and placing the prefabricated bag on the second conveying mechanism, a flaring mechanism for flaring the opening of the prefabricated bag, a pushing mechanism for pushing the product on the first conveying belt into the opened prefabricated bag and a sealing mechanism for sealing the prefabricated bag containing the product; the utility model provides a prefabricated bag bagging and sealing machine, which can correspondingly adjust the positions and the sizes of all parts on equipment according to the actual size of a product and the sizes of prefabricated bags so as to ensure that the equipment can cope with the products and the prefabricated bags with various sizes, improve the application range of the prefabricated bag bagging machine, ensure the bagging efficiency of the product and the regularity after bagging, and improve the yield of the product.

Description

Prefabricated bag cover bag capper

Technical Field

The utility model relates to the technical field of packaging equipment, in particular to a prefabricated bag sleeving and sealing machine.

Background

In the prior art, because the products of customers are various, the sizes of the products or the packaging boxes of the products are different, so that the corresponding packaging equipment is designed for the products, and the general design is difficult to realize. And traditional packaging means also require that people manually place the articles in the package and use a sealer to seal the device. The efficiency of such work is low, and it is difficult to meet the requirements of modern production.

The Chinese patent application CN202111604355.8 discloses bagging and sealing equipment for packaging bags, which can realize automatic bagging and automatic sealing of articles, but can be used for bagging articles with specific sizes, and can not be used for bagging and sealing oversized articles, when the size of the product is too small, the equipment can cause deviation between the product and a prefabricated bag when the product is bagged, the attractiveness of the product bagging is affected, and the yield of the product is reduced.

Disclosure of Invention

The utility model aims to disclose a prefabricated bag bagging and sealing machine, which solves the problem that the existing bagging and sealing machine cannot carry out bagging and sealing on articles with different sizes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a prefabricated bag over-the-bag sealer comprising: a frame; the frame is provided with: a first conveying mechanism for conveying a product to be bagged, a second conveying mechanism for conveying a product after bagging, a prefabricated bag feeding mechanism for placing a prefabricated bag to be used, a prefabricated bag transferring mechanism for grabbing the prefabricated bag and placing the prefabricated bag on the second conveying mechanism, a flaring mechanism for flaring an opening of the prefabricated bag, a pushing mechanism for pushing the product on the first conveying belt into the opened prefabricated bag, and a sealing mechanism for sealing the prefabricated bag containing the product; the first transfer mechanism includes: a first conveyor belt and a second conveyor belt; the first conveyor belt and the second conveyor belt are arranged on the frame and are parallel to each other; a plurality of first partition boards are arranged on the first conveyor belt, and a plurality of second partition boards are arranged on the second conveyor belt; the second transfer mechanism includes: the third conveyor belt and the fourth conveyor belt are arranged on the frame and are mutually parallel; the third conveyor belt and the fourth conveyor belt are respectively provided with a plurality of negative pressure holes for adsorbing the prefabricated bags; the third transmission belt is provided with a plurality of third partition boards, and the fourth transmission belt is provided with a plurality of fourth partition boards.

Optionally, the prefabricated bag feed mechanism includes: the device comprises a base, a supporting plate, a first driving assembly and a plurality of limiting columns; the base is fixedly arranged on the frame, the first driving assembly is fixedly arranged on the base, the supporting plate is fixedly arranged on the driving end of the first driving assembly, and the limiting columns are slidably arranged on the base.

Optionally, the prefabricated bag transfer mechanism includes: the device comprises a door-shaped frame, a first vacuum chuck group, a second driving assembly and a third driving assembly; the door-shaped frame is fixedly arranged on the frame, the third driving assembly is fixedly arranged on the door-shaped frame, the second driving assembly is fixedly arranged on the driving end of the third driving assembly, and the first vacuum chuck group is fixedly arranged on the driving end of the second driving assembly.

Optionally, the flaring mechanism includes: the vacuum suction device comprises a first support frame, wherein a fourth driving assembly is arranged on the first support frame, and a second vacuum chuck group for sucking the top surface of a prefabricated bag so as to open the prefabricated bag is arranged at the driving end of the fourth driving assembly; the support frame is also provided with a fifth driving assembly, and the fifth driving assembly is provided with a flaring plate which can be inserted into the opening of the prefabricated bag.

Optionally, the pushing mechanism includes: a sixth driving assembly and a pushing cylinder; the sixth driving assembly is fixedly arranged on the first supporting frame, and the pushing cylinder is fixedly arranged at the driving end of the sixth driving assembly.

Optionally, the sealing mechanism includes: the second support frame is fixedly provided with a seventh driving assembly and a lower heat sealing knife; an upper heat sealing knife is fixedly arranged at the driving end of the seventh driving assembly; the upper heat sealing knife and the lower heat sealing knife are arranged oppositely.

Optionally, the method further comprises: a synchronizing mechanism for controlling whether the first conveyor belt and the second conveyor belt rotate synchronously; the synchronization mechanism includes: the device comprises a first rotating wheel, a second rotating wheel, a rotating shaft, an eighth driving assembly and a synchronizing wheel, wherein the rotating shaft is rotatably arranged on a frame, the eighth driving assembly is fixedly arranged on the frame, the driving end of the eighth driving assembly is in transmission connection with the rotating shaft, the first rotating wheel is fixedly connected with the rotating shaft, a first conveyor belt is sleeved on the first rotating wheel, the second rotating wheel is fixedly connected with the synchronizing wheel, the second conveyor belt is sleeved on the second rotating wheel, and the second rotating wheel is also in rotary connection with the rotating shaft; screw holes through which locking screws can pass are formed in the synchronous wheels.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a prefabricated bag bagging and sealing machine, which comprises: a frame; the frame is provided with: a first conveying mechanism for conveying the product to be bagged, a second conveying mechanism for conveying the product after bagging, a prefabricated bag feeding mechanism for placing the prefabricated bag to be used, a prefabricated bag transferring mechanism for grabbing the prefabricated bag and placing the prefabricated bag on the second conveying belt, a flaring mechanism for flaring the opening of the prefabricated bag, a pushing mechanism for pushing the product on the first conveying belt into the prefabricated bag with the opening, and a sealing mechanism for sealing the prefabricated bag containing the product; the utility model provides a prefabricated bag bagging and sealing machine, which can correspondingly adjust the positions and the sizes of all parts on equipment according to the actual size of a product and the sizes of prefabricated bags so as to ensure that the equipment can cope with the products and the prefabricated bags with various sizes, improve the application range of the prefabricated bag bagging machine, ensure the bagging efficiency of the product and the regularity after bagging, and improve the yield of the product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic perspective view of a preformed bag sleeve sealing machine of the present utility model;

FIG. 2 is a schematic perspective view of the other view of FIG. 1;

FIG. 3 is a schematic perspective view of a first transfer mechanism;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a schematic perspective view of a preform bag feeding mechanism;

FIG. 6 is a schematic perspective view of a preform bag transfer mechanism;

FIG. 7 is a schematic perspective view of the pushing mechanism and flaring mechanism;

FIG. 8 is a schematic perspective view of a closure mechanism;

FIG. 9 is a schematic perspective view of a synchronizing mechanism;

FIG. 10 is an exploded view of FIG. 9;

in the figure, 1, a rack; 2. a first conveying mechanism; 21. a first conveyor belt; 22. a second conveyor belt; 23. a first partition plate; 24. a second partition plate; 3. a second conveying mechanism; 31. a third conveyor belt; 32. a fourth conveyor belt; 33. a third partition plate; 34. a fourth spacer plate; 4. a prefabricated bag feeding mechanism; 41. a base; 42. a support plate; 43. a first drive assembly; 44. a limit column; 5. a prefabricated bag transfer mechanism; 51. a door-shaped frame; 52. a first vacuum chuck group; 53. a second drive assembly; 54. a third drive assembly; 6. a flaring mechanism; 61. a first support frame; 62. a fourth drive assembly; 63. a second vacuum chuck group; 64. a fifth drive assembly; 65. a flaring plate; 7. a pushing mechanism; 71. a sixth drive assembly; 72. a pushing cylinder; 8. a sealing mechanism; 81. a second support frame; 82. a seventh drive assembly; 83. a lower heat sealing knife; 84. a heat sealing knife is arranged; 9. a synchronizing mechanism; 91. a first rotating wheel; 92. a second rotating wheel; 93. a rotation shaft; 94. an eighth drive assembly; 95. a synchronizing wheel; 96. screw holes; 97. a bearing; 98. and a hand wheel.

Detailed Description

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not to indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

A pre-formed bag sleeve sealer as shown in fig. 1-10, comprising: a frame 1; the frame 1 is provided with: a first conveying mechanism 2 for conveying a product to be bagged, a second conveying mechanism 3 for conveying a product after bagging, a preform bag feeding mechanism 4 for placing a preform bag to be used, a preform bag transfer mechanism 5 for gripping the preform bag and placing the preform bag on the second conveying mechanism 3, a flaring mechanism 6 for flaring an opening of the preform bag, a pushing mechanism 7 for pushing the product on a first conveying belt 21 into the opened preform bag, and a sealing mechanism 8 for sealing the preform bag containing the product; the first transfer mechanism 2 includes: a first conveyor belt 21 and a second conveyor belt 22; the first conveyor belt 21 and the second conveyor belt 22 are arranged on the frame 1, and the first conveyor belt 21 and the second conveyor belt 22 are arranged in parallel; a plurality of first partition plates 23 are arranged on the first conveyor belt 21, and a plurality of second partition plates 24 are arranged on the second conveyor belt 22; the second conveying mechanism 3 includes: a third conveyor belt 31 and a fourth conveyor belt 32, the third conveyor belt 31 and the fourth conveyor belt 32 being disposed on the frame 1, the third conveyor belt 31 and the fourth conveyor belt 32 being disposed parallel to each other; the third conveyor belt 31 and the fourth conveyor belt 32 are respectively provided with a plurality of negative pressure holes for adsorbing the prefabricated bags; the third belt is provided with a plurality of third partition plates 33, and the fourth belt 32 is provided with a plurality of fourth partition plates 34.

Specifically, traditional bagging mode generally uses artifical bagging, inefficiency, and the bagging apparatus among the prior art can not adjust according to the size of product generally, if the product size is too big, can lead to the stop device on the transport mechanism of equipment unable expansion, therefore be difficult to realize the transmission of product, if the size of product is too little, can lead to the condition such as skew, slope to take place because of the gap between stop device and the product is too big again in the product bagging-off in-process, therefore the planarization aesthetic property after the reduction product bagging-off influences product quality. Therefore, to the above-mentioned circumstances, the present application proposes a prefabricated bag bagging apparatus that can be adjusted according to the product size, firstly put the product on first conveying mechanism 2, first conveying mechanism 2 can be according to certain speed with the product carry to the bagging station play, second conveying mechanism 3 is used for conveying empty prefabricated bag on the one hand, on the other hand is used for conveying the prefabricated bag that is equipped with the product, that is to say pushing mechanism 7 is to push the product from first conveying mechanism 2 to the prefabricated bag on the second conveying mechanism 3, realize the product bagging-off, sealing mechanism 8 is used for making the prefabricated bag opening on the second conveying mechanism 3 sealed, accomplish the packing. Specifically, in order to ensure the stability of the transfer of the conveyor belt and the uniformity of the distance between the articles on the conveyor belt, the present utility model provides a spacer plate capable of adjusting the distance on the conveyor belt, that is, by providing a first conveyor belt 21 and a second conveyor belt 22 parallel to each other, and providing a first spacer plate 23 on the first conveyor belt 21, and providing a second spacer plate 24 on the second conveyor belt 22, then by asynchronously rotating the two conveyor belts, the distance between the first spacer plate 23 and the second spacer plate 24 can be adjusted so that the spacer plate can be adjusted according to the actual size of the product. In the same way, the structure of the second conveying mechanism 3 is the same as that of the first conveying mechanism 2, and the adjustment of the spacing of the partition plates needs to be completed according to the actual size of the product.

Specifically, the second conveying mechanism 3 also needs to adjust the distance between the spaced plates according to the actual product size, and its actual structure is the same as that of the first conveying mechanism 2, so it is not described in detail in this application. Negative pressure holes (not shown in the figure) are formed in the third conveying belt 31 and the fourth conveying belt 32, and are mainly used for adsorbing the prefabricated bags, so that the prefabricated bags can be ensured to be pressed on the conveying belt and are not influenced by the outside to deviate, and on the other hand, when the prefabricated bag opening is opened, the lower half bag body of the prefabricated bag is provided with a pulling force, so that the lower half bag body and the upper half bag body are easier to separate.

Further, the prefabricated bag feeding mechanism 4 includes: the base 41, the support plate 42, the first driving component 43 and a plurality of limit posts 44; the base 41 is fixedly arranged on the frame 1, the first driving component 43 is fixedly arranged on the base 41, the supporting plate 42 is fixedly arranged on the driving end of the first driving component 43, and the limiting columns 44 are slidably arranged on the base 41.

Specifically, the prefabricated bags are three-sided sealed and one-sided open packaging bags, for convenience in storage of the prefabricated bags, the prefabricated bags are stacked together in a flat manner, and for a stack of prefabricated bags, the number of the prefabricated bags gradually decreases as the prefabricated bags are used, so that for convenience in grabbing the uppermost prefabricated bag by the prefabricated bag transfer mechanism 5, a first driving assembly 43, namely a servo electric cylinder, is arranged on the base 41, and a supporting plate 42 is correspondingly arranged on the driving end of the electric cylinder, and the stacked prefabricated bags can be lifted upwards by the supporting plate 42 so that the prefabricated bags can be grabbed by the prefabricated bag transfer mechanism 5. And because the size of the prefabricated bag is different from each other, in order to prevent the position of the prefabricated bag from deviating, the position of the prefabricated bag needs to be controlled according to actual needs, therefore, a plurality of limiting columns 44 are correspondingly arranged on the base 41, and the limiting columns 44 are controlled through the screw rod rotating structure, so that the prefabricated bag is positioned.

Further, the preform bag transfer mechanism 5 includes: a door frame 51, a first vacuum chuck group 52, a second drive assembly 53, and a third drive assembly 54; the door-shaped frame 51 is fixedly arranged on the frame 1, the third driving component 54 is fixedly arranged on the door-shaped frame 51, the second driving component 53 is fixedly arranged on the driving end of the third driving component 54, and the first vacuum chuck group 52 is fixedly arranged on the driving end of the second driving component 53.

Specifically, the first vacuum chuck group 52 includes a plurality of vacuum chucks and an adjusting frame that can adjust the distance between the vacuum chucks, and if the size of the preform bag is too large, the edges of the preform bag may sag after the vacuum chucks suck the preform bag, affecting the flatness of the preform bag placed on the second transfer mechanism 3, and if the size of the preform bag is too small, the vacuum chucks may not suck the preform bag. The distance between the vacuum suction cups of the frame can be adjusted according to the actual size of the prefabricated bag through design adjustment. The second driving assembly 53 correspondingly controls the first vacuum chuck assembly 52 to move up and down, and the second driving assembly 53 is a cylinder in the present application, and other driving assemblies can be used for achieving the purpose as known by those skilled in the art. The third driving assembly 54 is a servo cylinder arranged transversely and capable of transversely moving the gripped packages onto the second conveyor 3.

Further, the flaring mechanism 6 includes: a first support frame 61, wherein a fourth driving assembly 62 is arranged on the first support frame 61, and a second vacuum chuck group 63 for sucking the top surface of the prefabricated bag to open the prefabricated bag is arranged on the driving end of the fourth driving assembly 62; a fifth drive assembly 64 is also provided on the support frame, and a flare plate 65 is provided on the fifth drive assembly 64 for insertion into the preform bag opening.

Specifically, the prefabricated bag placed on the second conveying mechanism 3 is still in a flat state, so that a product can be placed in the packaging bag, the fourth driving assembly 62 is arranged on the flaring mechanism 6, the fourth driving assembly 62 is a telescopic cylinder in the application, the telescopic cylinder drives the second vacuum chuck group 63 to move up and down, the opening of the prefabricated bag is sucked, then the opening of the prefabricated bag is separated up and down, further, the prefabricated bag further comprises the flaring plate 65, the prefabricated bag can be completely opened, the product cannot be pushed in to cause obstruction, the flaring plate 65 is correspondingly arranged, after the opening of the prefabricated bag is opened by the vacuum chuck, the flaring plate 65 is inserted into the prefabricated bag, so that the inside of the prefabricated bag is completely opened, and the product is pushed into the prefabricated bag. In this application, the number of the flaring plates 65 is two and parallel to each other, the flaring plates 65 are arranged on the fifth driving assembly 64, and the fifth driving assembly 64 can drive the flaring plates 65 to move laterally on one hand so that the flaring plates 65 can be inserted into the prefabricated bags, and the fifth driving assembly 64 can adjust the distance between the flaring plates 65 on the other hand so that the flaring plates 65 can be adapted to the size of the product. That is, the fifth drive assembly 64 includes two drives, a laterally pushing cylinder and a spacing adjusting servo cylinder, and further, the height of the flare plate 65 can be adjusted by an additional servo cylinder.

Further, the pushing mechanism 7 includes: a sixth drive assembly 71 and a push cylinder 72; the sixth driving component 71 is fixedly arranged on the first supporting frame 61, and the pushing cylinder 72 is fixedly arranged on the driving end of the sixth driving component 71.

Specifically, when the flaring plate 65 is inserted into the prefabricated bag, the product on the first conveying mechanism 2 needs to be pushed into the prefabricated bag with the opening, the sixth driving assembly 71 is a servo electric cylinder, the servo electric cylinder drives the pushing cylinder 72 below to move transversely, and after pushing to a preset position, the pushing cylinder 72 can push the product into the packaging bag.

Further, the sealing mechanism 8 includes: a second supporting frame 81, wherein a seventh driving assembly 82 and a lower heat sealing knife 83 are fixedly arranged on the second supporting frame 81; an upper heat seal cutter 84 is fixedly arranged on the driving end of the seventh driving assembly 82; the upper heat-seal lands 84 are disposed opposite the lower heat-seal lands 83.

Specifically, the sealing machine is used for sealing the opening of the prefabricated bag, after the prefabricated bag is packaged, the second conveying mechanism 3 conveys the prefabricated bag to the sealing mechanism 8, and the upper sealing knife is pressed downwards under the action of the seventh driving component 82 and is matched with the lower sealing knife, so that the sealing of the prefabricated bag is realized.

Further, the method further comprises the following steps: a synchronizing mechanism 9 for controlling whether the first conveyor belt 21 and the second conveyor belt 22 rotate synchronously; the synchronizing mechanism 9 includes: the device comprises a first rotating wheel 91, a second rotating wheel 92, a rotating shaft 93, an eighth driving assembly 94 and a synchronizing wheel 95, wherein the rotating shaft 93 is rotatably arranged on a frame 1, the eighth driving assembly 94 is fixedly arranged on the frame 1, the driving end of the eighth driving assembly 94 is in transmission connection with the rotating shaft 93, the first rotating wheel 91 is fixedly connected with the rotating shaft 93, a first conveyor belt 21 is sleeved on the first rotating wheel 91, the second rotating wheel 92 is fixedly connected with the synchronizing wheel 95, a second conveyor belt 22 is sleeved on the second rotating wheel 92, and the second rotating wheel 92 is also in rotation connection with the rotating shaft 93; the synchronizing wheel 95 is provided with a screw hole 96 through which a locking screw can pass.

Specifically, in order to adjust the distance between the spaced plates on the first conveyor belt 21 and the second conveyor belt 22, a synchronizing mechanism 9 is provided which can correspondingly control whether the first conveyor belt 21 and the second conveyor belt 22 rotate synchronously, that is, when the conveyor belts are in operation, the two conveyor belts are required to rotate synchronously, and when the position of the spaced plates is required to be adjusted, one of the conveyor belts is required to be rotated to adjust the distance between the spaced plates on the conveyor belts, and therefore, a synchronizing mechanism 9 is provided which includes an eighth driving assembly 94 for supplying rotary power to the conveyor belts, the eighth driving assembly 94 being provided. The rotating shaft 93 is provided with a first rotating wheel 91 and a second rotating wheel 92, wherein the first conveyor belt 21 is sleeved on the first rotating wheel 91, the second conveyor belt 22 is sleeved on the second rotating wheel 92, the first rotating wheel 91 is fixedly connected with the rotating shaft 93, the second rotating wheel 92 is rotatably connected with the rotating shaft 93 (in the embodiment, a bearing 97 is arranged between the second rotating wheel 92 and the rotating shaft 93, and the second rotating wheel 92 and the rotating shaft 93 can relatively rotate), so that when the rotating shaft 93 rotates, the first conveyor belt 21 rotates under the drive of the first rotating wheel 91, the second conveyor belt 22 does not rotate under the action of the second rotating wheel 92, and the two conveyor belts can differentially rotate, thereby realizing the adjustment of the spacer plate. In order to enable the two conveyor belts to synchronously rotate under the drive of the eighth driving assembly 94 so as to convey products, the rotating shaft 93 is further provided with a synchronizing wheel 95, the synchronizing wheel 95 is fixedly connected with the second rotating wheel 92, a screw hole 96 is further formed in the synchronizing wheel 95, a limit screw is arranged in the screw hole 96, when the two conveyor belts are required to synchronously rotate, the screws in the screw hole 96 are screwed, the synchronizing wheel 95 and the rotating shaft 93 can be mutually fixed, and therefore the rotating shaft 93 drives the synchronizing wheel 95 to rotate and indirectly drives the second rotating wheel 92 to rotate. Further, the rotary shaft 93 comprises a hand wheel 98, wherein the hand wheel 98 is arranged at one end of the rotary shaft 93, and when a screw is unscrewed, the rotary shaft 93 can be rotated by screwing the hand wheel 98.

Further, the second conveyor 3 is provided with a synchronizing mechanism 9, and the third conveyor 31 and the fourth conveyor 32 can be rotated differentially or synchronously with each other.

In summary, the utility model provides a prefabricated bag bagging and sealing machine, which can correspondingly adjust the positions and the sizes of all parts on equipment according to the actual size of products and the sizes of prefabricated bags, so as to ensure that the equipment can cope with products and prefabricated bags with various sizes, improve the application range of the prefabricated bag bagging machine, ensure the bagging efficiency of the products and the regularity after bagging, and improve the yield of the products.

The present utility model is not limited to the above-described embodiments, but, if various modifications or variations of the present utility model are not departing from the spirit and scope of the present utility model, the present utility model is intended to include such modifications and variations as fall within the scope of the claims and the equivalents thereof.

Claims (7)

1. A prefabricated bag cover bag sealer, comprising: a frame; the frame is provided with: a first conveying mechanism for conveying a product to be bagged, a second conveying mechanism for conveying a product after bagging, a prefabricated bag feeding mechanism for placing a prefabricated bag to be used, a prefabricated bag transferring mechanism for grabbing the prefabricated bag and placing the prefabricated bag on the second conveying mechanism, a flaring mechanism for flaring an opening of the prefabricated bag, a pushing mechanism for pushing the product on the first conveying belt into the opened prefabricated bag, and a sealing mechanism for sealing the prefabricated bag containing the product;

the first transfer mechanism includes: a first conveyor belt and a second conveyor belt; the first conveyor belt and the second conveyor belt are arranged on the frame and are parallel to each other; a plurality of first partition boards are arranged on the first conveyor belt, and a plurality of second partition boards are arranged on the second conveyor belt;

the second transfer mechanism includes: the third conveyor belt and the fourth conveyor belt are arranged on the frame and are mutually parallel; the third conveyor belt and the fourth conveyor belt are respectively provided with a plurality of negative pressure holes for adsorbing the prefabricated bags; the third conveyor belt is provided with a plurality of third partition boards, and the fourth conveyor belt is provided with a plurality of fourth partition boards.

2. The bag sealer of claim 1 wherein said pre-bag feed mechanism comprises: the device comprises a base, a supporting plate, a first driving assembly and a plurality of limiting columns;

the base is fixedly arranged on the frame, the first driving assembly is fixedly arranged on the base, the supporting plate is fixedly arranged on the driving end of the first driving assembly, and the limiting columns are slidably arranged on the base.

3. The bag sealer for a preformed bag of claim 1 wherein said preformed bag transfer mechanism comprises: the device comprises a door-shaped frame, a first vacuum chuck group, a second driving assembly and a third driving assembly;

the door-shaped frame is fixedly arranged on the frame, the third driving assembly is fixedly arranged on the door-shaped frame, the second driving assembly is fixedly arranged on the driving end of the third driving assembly, and the first vacuum chuck group is fixedly arranged on the driving end of the second driving assembly.

4. A pre-formed bag sleeve sealer as recited in claim 1 wherein said flaring mechanism includes: the vacuum suction device comprises a first support frame, wherein a fourth driving assembly is arranged on the first support frame, and a second vacuum chuck group for sucking the top surface of a prefabricated bag so as to open the prefabricated bag is arranged at the driving end of the fourth driving assembly; the support frame is also provided with a fifth driving assembly, and the fifth driving assembly is provided with a flaring plate which can be inserted into the opening of the prefabricated bag.

5. The machine of claim 4, wherein the pushing mechanism comprises: a sixth driving assembly and a pushing cylinder; the sixth driving assembly is fixedly arranged on the first supporting frame, and the pushing cylinder is fixedly arranged at the driving end of the sixth driving assembly.

6. A pre-formed bag sleeve sealing machine according to claim 1, wherein said sealing mechanism comprises: the second support frame is fixedly provided with a seventh driving assembly and a lower heat sealing knife; an upper heat sealing knife is fixedly arranged at the driving end of the seventh driving assembly; the upper heat sealing knife and the lower heat sealing knife are arranged oppositely.

7. The machine of claim 1, further comprising: a synchronizing mechanism for controlling whether the first conveyor belt and the second conveyor belt rotate synchronously;

the synchronization mechanism includes: the device comprises a first rotating wheel, a second rotating wheel, a rotating shaft, an eighth driving assembly and a synchronizing wheel, wherein the rotating shaft is rotatably arranged on a frame, the eighth driving assembly is fixedly arranged on the frame, the driving end of the eighth driving assembly is in transmission connection with the rotating shaft, the first rotating wheel is fixedly connected with the rotating shaft, a first conveyor belt is sleeved on the first rotating wheel, the second rotating wheel is fixedly connected with the synchronizing wheel, the second conveyor belt is sleeved on the second rotating wheel, and the second rotating wheel is also in rotary connection with the rotating shaft; screw holes through which locking screws can pass are formed in the synchronous wheels.

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