Packaging machine

Abstract

The utility model discloses a packaging machine which comprises a machine frame, and the machine frame is provided with a lower conveying device, an upper conveying device and a lower conveying device, the boxing device is located above the lower conveying face and comprises a material supporting frame connected to the rack, two material supporting plates rotationally connected to the left side and the right side of the material supporting frame and a material pressing plate capable of moving up and down above the material supporting frame, and a hole penetrating in the up-down direction is defined in the material supporting frame. The two material supporting plates can rotate upwards to the position above the hole and form a material supporting face, the two material supporting plates can rotate downwards and extend into the hole, and the material pressing plate can penetrate through the hole downwards or move upwards to the material pressing plate above the material supporting face. The upper conveying device is located beside the material supporting frame and provided with an upper conveying face extending in the front-back direction. The material shifting device is provided with a shifting plate capable of moving back and forth above the upper conveying face and the material supporting face, the product transferring rhythm can be better coordinated, and therefore the product boxing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a packaging device, in particular to a packaging machine. Background Art

[0002] After the production of products, if boxing operation is required, the traditional method is generally to box the products one by one manually. With the development of technology, some automatic boxing devices have emerged at present. The manipulator can move the products from the transfer line into the box one by one to achieve automatic boxing. However, this boxing method requires the manipulator to repeatedly move between the transfer line and the packing box, and the efficiency of product transfer is much lower than the conveying rhythm of the transfer line for products, resulting in difficulty in further improving the packaging efficiency of products. Therefore, there is an urgent need for a packaging machine that can box products more efficiently. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a packaging machine to solve one or more technical problems existing in the prior art, and at least provide a beneficial choice or create conditions.

[0004] The solution of the utility model to solve its technical problems is as follows:

[0005] A packaging machine includes a frame, and the following are arranged on the frame: a lower conveying device having a lower conveying surface extending in the front-rear direction; a boxing device located above the lower conveying surface, the boxing device includes a material supporting frame connected to the frame, two material supporting plates rotatably connected to the left and right sides of the material supporting frame, and a pressing plate that can move up and down above the material supporting frame. A through hole extending in the up-down direction is formed inside the material supporting frame. The two material supporting plates can be rotated upward to above the through hole to form a material supporting surface, and the two material supporting plates can be rotated downward and extend into the through hole. The pressing plate can pass through the through hole downward or move upward to above the material supporting surface; an upper conveying device located beside the material supporting frame, having an upper conveying surface extending in the front-rear direction; a material pushing device having a push plate that can move back and forth above the upper conveying surface and the material supporting surface.

[0006] The technical solution has at least the following beneficial effects: When packing products, move the packing box to be packed from the lower conveying surface of the lower conveying device to below the opening, move the products to be packed from the upper conveying surface of the upper conveying device to the side of the material supporting frame, move the baffle plate in the material feeding device from the upper conveying surface towards the material supporting surface, and push the products on the upper conveying surface onto the material supporting surface. At this time, the two material supporting plates in the packing device rotate upwards to above the opening to form a material supporting surface that can transfer and support the products. Only one product can be arranged on the material supporting surface, or the baffle plate repeats moving between the material supporting surface and the upper conveying surface multiple times. After multiple products are arranged on the material supporting surface, the two material supporting plates rotate downwards and extend into the opening, push the two cover plates on the top side of the packing box outwards, and the pressing plate moves downwards onto the products on the material supporting surface to assist in moving the single or multiple arranged products down into the packing box to complete the packing of the products. After completion, the pressing plate moves upwards to reset, and the two material supporting plates also rotate upwards to reset. In this way, the material supporting plates can be used to support the products, facilitating the transfer and arrangement of the products, and can also be used to push the cover plates of the packing box outwards to ensure that the products can smoothly enter the packing box downward. Moreover, the coordinated actions of the baffle plate and the pressing plate can realize moving the products out of the upper conveying surface, discharging the materials, and packing them, better coordinating the rhythm of product transfer, thereby improving the efficiency of product packing.

[0007] As a further improvement of the above technical solution, a lifting driving member is connected to the frame, the lifting driving member is drivingly connected to the pressing plate, a negative pressure groove is provided on the bottom side of the pressing plate, a sponge is filled in the negative pressure groove, a negative pressure joint communicating with the negative pressure groove is provided on the top side of the pressing plate, and the negative pressure joint is connected to a negative pressure pump through a pipeline. The lifting driving member can provide a driving force for the up and down movement of the pressing plate, so that the pressing plate can move downwards to assist in loading the products into the box, or move upwards to reset after the products are packed. When the pressing plate moves downwards to the top side of the products, the negative pressure pump can make a negative pressure be formed in the negative pressure groove, and the sponge abuts against the products. Utilizing the air-permeable characteristic of the sponge, when the sponge abuts against the products, the products can be stably adsorbed on the bottom side of the pressing plate. And utilizing the elastic characteristic of the sponge is beneficial to ensuring the stable adsorption of the products without damaging the products, better protecting the products, especially suitable for assisting in moving and packing easily damaged products, such as ice cream, etc. When the pressing plate moves downwards to the packing box, the negative pressure pump stops working. After losing the adsorption force, the products can be smoothly placed into the packing box, and the lifting driving member drives the pressing plate to move upwards to reset. In this way, it can better assist in packing the products, making the products not easily damaged during packing.

[0008] As a further improvement of the above technical solution, packing devices are respectively arranged on the left and right sides of the upper conveying device, and the baffle plate can move back and forth between the two material supporting surfaces. Each packing device can realize the transfer and downward packing of products. In this way, when the baffle plate moves to the left, it can transfer a product to the material supporting surface of the packing device on the left side, and when it moves to the right, it can transfer another product to the material supporting surface of the packing device on the right side, further improving the efficiency of moving products out of the upper conveying surface and greatly improving the efficiency of packing products.

[0009] As a further improvement of the above technical solution, the packing device includes a first rotation driving member, an upper connecting seat and an upper rotating shaft. The upper connecting seat and the first rotation driving member are respectively connected to the left and right sides of the material supporting frame. The two upper rotating shafts are respectively rotatably connected to the two upper connecting seats along the axis in the front-back direction, the two first rotation driving members are respectively drivingly connected to the two upper rotating shafts, and the two material supporting plates are respectively connected to the two upper rotating shafts. The two first rotation driving members are respectively located on the left and right sides of the material supporting frame and drive the two material supporting plates to rotate through the two upper rotating shafts. Since the upper rotating shaft is rotatably connected to the upper connecting seat, the upper connecting seat can be used to raise the height of the rotation axis of the material supporting plate, so that when the two material supporting plates rotate downward, the cover plates on the left and right sides of the packaging box are further pushed outwards. When it is necessary to transfer and arrange the products again, the two first rotations respectively drive the two material supporting plates to rotate upward above the hole, so that the top sides of the two material supporting plates jointly form a material supporting surface.

[0010] As a further improvement of the above technical solution, the packing device further includes a material pushing unit. The material pushing unit includes a second rotation driving member, a lower connecting seat, a lower rotating shaft and a box supporting block. The lower connecting seat and the second rotation driving member are respectively connected to the bottom side of the material supporting frame. The lower rotating shaft is rotatably connected to the lower connecting seat along the axis in the left-right direction. The second rotation driving member is drivingly connected to the lower rotating shaft. The box supporting block is connected to the lower rotating shaft. The material pushing units are symmetrically arranged on the front and back sides of the material supporting frame. There are also box supporting blocks on the front and back sides of the material supporting frame that can push the cover plates on the front and back sides of the packaging box outwards. Specifically, second rotation driving members for providing rotational driving force are respectively connected to the front and back sides of the material supporting frame. When the packaging box is placed below the hole, the two second rotation driving members respectively drive the box supporting blocks to push the cover plates on the front and back sides of the packaging box outwards through the two lower rotating shafts. When the packing of the products is completed and the packaging box is removed, the two second rotation driving members drive the two cover plates to rotate inwards and reset, avoiding interference with the cover plates of the packaging box. Similarly, the lower connecting seat can reduce the height of the rotation axis of the box supporting block, so that the box supporting block has a larger amplitude when rotating, thereby better pushing the cover plate of the packaging box outwards.

[0011] As a further improvement of the above technical solution, a sliding plate is slidably connected to the frame in the left-right direction. A third rotary driving member is connected to the frame. The third rotary driving member is drivingly connected to a conveyor belt. The sliding plate is connected to the conveyor belt, and the baffle plate is connected to the sliding plate. The third rotary driving member drives the conveyor belt to perform a rotary motion on the frame. By controlling the conveyor belt to be driven to rotate forward or backward, the baffle plate is controlled to move back and forth in the left-right direction.

[0012] As a further improvement of the above technical solution, a retaining frame is connected to the frame, and the retaining frame is located on the downstream side of the upper conveying device during conveying. After the upper conveying surface transfers the product in place, the retaining frame can be used to limit the movement of the product, which is beneficial to ensuring the accurate transfer of the product in place. In actual use, by using the retaining frame to block the transfer of the product, the work of the upper conveying surface does not need to be paused when the baffle plate transfers the product, improving the working stability of the upper conveying device.

[0013] As a further improvement of the above technical solution, the lower conveying device is a roller conveyor. A lower conveying surface for conveying the packing box is formed by a plurality of rotating rollers on the roller conveyor, so as to realize the transfer of the packing box into the box and the discharge of the box after packing.

[0014] As a further improvement of the above technical solution, an adjusting screw rod is connected to the frame, and the roller conveyor is connected to the adjusting screw rod. The adjusting screw rod can drive the roller conveyor to move up and down. During use, according to the different height dimensions of the packing boxes to be transferred, the position of the roller conveyor can be adjusted up and down by the adjusting screw rod, so as to better meet the packing requirements for packing boxes of different specifications and sizes, and improve the overall versatility of use.

[0015] As a further improvement of the above technical solution, clamping plates are arranged at intervals in the left-right direction on the roller conveyor, and the two clamping plates are respectively located above the conveyor. When the packing box reaches the position below the hole under the transfer of the roller conveyor, the two clamping plates can be respectively located on the left and right sides of the packing box, which is beneficial to limiting the position of the packing box and ensuring the realization of product packing. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly describe the drawings required for the description of the embodiments. Obviously, the described drawings are only a part of the embodiments of the present invention, rather than all the embodiments. Without creative efforts, those skilled in the art can also obtain other design solutions and drawings based on these drawings.

[0017] Figure 1 It is an overall three-dimensional view of the present invention.

[0018] Figure 2It is a three-dimensional view of the lifting driving member of the present utility model connected to the pressure plate, with the sponge in the negative pressure groove removed.

[0019] Figure 3 It is a three-dimensional view of the packing device of the present utility model after removing the pressure plate.

[0020] Figure 4 It is a three-dimensional view of the lower conveying device of the present utility model.

[0021] In the drawings: 100 - frame, 200 - lower conveying device, 300 - material supporting frame, 310 - material supporting plate, 320 - first rotation driving member, 330 - upper connecting seat, 340 - upper rotating shaft, 350 - second rotation driving member, 360 - lower connecting seat, 370 - lower rotating shaft, 380 - box supporting block, 391 - lifting driving member, 392 - pressure plate, 393 - negative pressure groove, 394 - negative pressure pump, 400 - upper conveying device, 510 - dial plate, 520 - sliding plate, 530 - conveyor belt, 600 - blocking frame, 700 - adjusting screw rod, 800 - clamping plate. Detailed Description of the Embodiment

[0022] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0024] In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is more than two, and understandings such as greater than, less than, exceeding, etc. do not include the present number, and understandings such as above, below, within, etc. include the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.

[0025] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.

[0026] Reference Figure 1 , a packaging machine, comprising a frame 100, on which a lower conveying device 200, a boxing device, an upper conveying device 400 and a material shifting device are arranged. Among them, the lower conveying device 200 is mainly used for loading and unloading packaging boxes, and the lower conveying device 200 has a lower conveying surface extending in the front-rear direction; the boxing device is mainly used for transferring, discharging and loading products into the packaging box. The boxing device is located above the lower conveying surface. The boxing device includes a material supporting frame 300 connected to the frame 100, two material supporting plates 310 rotatably connected to the left and right sides of the material supporting frame 300, and a pressing plate 392 that can move up and down above the material supporting frame 300. An opening penetrating in the up-down direction is formed inside the material supporting frame 300. The two material supporting plates 310 can be rotated upward to above the opening to form a material supporting surface, and the two material supporting plates 310 can be rotated downward and extend into the opening. The pressing plate 392 can pass downward through the opening or move upward to above the material supporting surface; the upper conveying device 400 is mainly used for feeding products. The upper conveying device 400 is located beside the material supporting frame 300, and the upper conveying device 400 has an upper conveying surface extending in the front-rear direction; the material shifting device is mainly used for shifting the products fed on the upper conveying surface to the material supporting surface, and the material shifting device has a shifting plate 510 that can move back and forth above the upper conveying surface and the material supporting surface.

[0027] As can be seen from the above, when it is necessary to box products, the packaging box to be boxed is moved from the lower conveying surface of the lower conveying device 200 to below the opening, and the products to be boxed are moved from the upper conveying surface of the upper conveying device 400 to the side of the material supporting frame 300. The shifting plate 510 in the material shifting device moves from the upper conveying surface to the material supporting surface direction, and shifts the products on the upper conveying surface to the material supporting surface. At this time, the two material supporting plates 310 in the boxing device are rotated upward to above the opening to form a material supporting surface that can transfer and support the products. Only one product can be arranged on the material supporting surface, or the shifting plate 510 repeatedly moves between the material supporting surface and the upper conveying surface multiple times. After multiple products are arranged on the material supporting surface, the two material supporting plates 310 are rotated downward and extend into the opening, pushing the two cover plates on the top side of the packaging box outward. And the pressing plate 392 moves down to the products on the material supporting surface, assisting in moving the single or multiple arranged products downward into the packaging box to complete the boxing of the products. After completion, the pressing plate 392 moves upward to reset, and the two material supporting plates 310 also rotate upward to reset. In this way, the material supporting plate 310 can be used for supporting the products, facilitating the transfer and arrangement of the products, and can also be used for pushing the cover plates of the packaging box outward to ensure that the products can smoothly enter the packaging box downward. And the coordinated actions of the shifting plate 510 and the pressing plate 392 can realize moving the products out of the upper conveying surface, discharging and boxing, better coordinating the rhythm of product transfer, thereby improving the efficiency of product boxing.

[0028] When the blank holder 392 assists in loading the product into the packing box, in order to better load the product into the packing box, the blank holder 392 can suck or grasp the product, drive the product to move down into the packing box and then put it down. For some easily damaged products, directly using the vacuum adsorption or grasping and fixing method is likely to damage them. Therefore, in this embodiment, as Figure 2 shown, a lifting driving member 391 is connected to the frame 100. The lifting driving member 391 is drivingly connected to the blank holder 392. A negative pressure groove 393 is provided on the bottom side of the blank holder 392. The negative pressure groove 393 is filled with sponge. A negative pressure joint communicating with the negative pressure groove 393 is provided on the top side of the blank holder 392. The negative pressure joint is connected to a negative pressure pump 394 through a pipeline.

[0029] The lifting driving member 391 can provide the driving force for the blank holder 392 to move up and down. There are various structural forms, such as driving sources like cylinders, electric lead screws or hydraulic cylinders, etc. For the situation where the product only needs to be loaded into the packing box once, any one of the above driving source forms can be used for the lifting driving member 391. And for the situation where the product needs to be loaded into the packing box multiple times, the height of the lifting driving member 391 moving down to the packing box each time can be adjusted to stack the products in the packing box. At this time, the lifting driving member 391 is selected as an electric lead screw, which is more convenient in adjusting the stroke. In this way, the lifting driving member 391 can make the blank holder 392 move down to assist in loading the product into the box, or move up and reset after the product is packed. When the blank holder 392 moves down to the top side of the product, the negative pressure pump 394 can make a negative pressure be formed in the negative pressure groove 393, and the sponge abuts against the product. By using the air-permeable characteristic of the sponge, when the sponge abuts against the product, the product can be stably adsorbed on the bottom side of the blank holder 392. And by using the elastic characteristic of the sponge, it is beneficial to ensure stable adsorption of the product without damaging the product, and better protect the product, especially suitable for assisting in moving down and packing easily damaged products, such as ice cream, etc. When the blank holder 392 moves down to the packing box, the negative pressure pump 394 stops working. After losing the adsorption force, the product can be smoothly placed into the packing box, and the lifting driving member 391 drives the blank holder 392 to move up and reset. In this way, it can better assist in packing the product, making the product not easily damaged when being packed.

[0030] The number of packing devices can be only one, which is only arranged on one side of the upper conveying device 400. At this time, after the baffle 510 transfers the product on the upper conveying surface to the material supporting surface, it is necessary to wait for the baffle 510 to return to its original position before sending the next product to the side of the material supporting rack 300. In order to further improve the efficiency of product discharging, in this embodiment, the number of packing devices can be two. Specifically, packing devices are respectively arranged on the left and right sides of the upper conveying device 400, and the baffle 510 can move back and forth between the two material supporting surfaces. Each packing device can realize the transfer and downward packing of products. In this way, when the baffle 510 moves to the left, it can transfer a product to the material supporting surface of the packing device on the left side, and when it moves to the right, it can transfer another product to the material supporting surface of the packing device on the right side, further improving the efficiency of removing products from the upper conveying surface and greatly improving the efficiency of product packing.

[0031] The packing device is equipped with a driving source configured to drive two material supporting plates 310 to rotate, so as to drive the two material supporting plates 310 to rotate up and down. It can be to use the same driving source to drive the two material supporting plates 310 to rotate in opposite directions, or to use two driving sources to drive the two material supporting plates 310 to rotate. Specifically, as Figure 3 shown, the packing device includes a first rotary driving member 320, an upper connecting seat 330 and an upper rotating shaft 340. The left and right sides of the material supporting rack 300 are respectively connected with the upper connecting seat 330 and the first rotary driving member 320. The two upper rotating shafts 340 are respectively rotatably connected to the two upper connecting seats 330 along the axis in the front-rear direction. The two first rotary driving members 320 are respectively drivingly connected to the two upper rotating shafts 340. The two material supporting plates 310 are respectively connected to the two upper rotating shafts 340. The first rotary driving member 320 is mainly used to provide a driving force for the rotation of the upper rotating shaft 340, and its structural form has various types, such as a rotary cylinder, a motor, etc. The two first rotary driving members 320 are respectively located on the left and right sides of the material supporting rack 300, and drive the two material supporting plates 310 to rotate respectively through the two upper rotating shafts 340. Since the upper rotating shaft 340 is rotatably connected to the upper connecting seat 330, the upper connecting seat 330 can be used to raise the rotation axis height of the material supporting plate 310, so that when the two material supporting plates 310 rotate downward, the cover plates on the left and right sides of the packaging box are further pushed outwards. When it is necessary to transfer and arrange the products again, the two first rotations respectively drive the two material supporting plates 310 to rotate upwards to above the opening, so that the top sides of the two material supporting plates 310 jointly form a material supporting surface.

[0032] Only two cover plates are provided on the top side of some packing boxes. At this time, the two material supporting plates 310 can be relied on to expand the two cover plates outwards respectively. However, four cover plates are provided on the top side of some packing boxes. In addition to using two material pushing plates to expand the two cover plates, two more material pushing plates need to be configured to expand the other two cover plates. The packing device further includes a material pushing unit. The material pushing unit includes a second rotation driving member 350, a lower connecting seat 360, a lower rotating shaft 370 and a box supporting block 380. The lower connecting seat 360 and the second rotation driving member 350 are respectively connected to the bottom side of the material supporting frame 300. The lower rotating shaft 370 is rotatably connected to the lower connecting seat 360 along the axis in the left-right direction. The second rotation driving member 350 is drivingly connected to the lower rotating shaft 370. The box supporting block 380 is connected to the lower rotating shaft 370. The material pushing units are symmetrically arranged on the front and rear sides of the material supporting frame 300. The second rotation driving member 350 is mainly used to provide the driving force for rotation, and there are various structural forms thereof, such as a rotary cylinder or a motor, etc. There are also box supporting blocks 380 on the front and rear sides of the material supporting frame 300 that can expand the cover plates on the front and rear sides of the packing box outwards. Specifically, second rotation driving members 350 for providing the driving force for rotation are respectively connected to the front and rear sides of the material supporting frame 300. When the packing box is placed below the hole, the two second rotation driving members 350 respectively drive the box supporting blocks 380 through the two lower rotating shafts 370 to expand the cover plates on the front and rear sides of the packing box outwards. When the product packing is completed and the packing box is removed, the two second rotation driving members 350 drive the two cover plates to rotate inwards and reset, avoiding interference with the cover plates of the packing box. Similarly, the lower connecting seat 360 can reduce the height of the rotation axis of the box supporting block 380, so that the box supporting block 380 has a larger amplitude when rotating, thereby better expanding the cover plates of the packing box outwards.

[0033] In order to drive the dial plate 510 to move left and right, a driving member such as a cylinder, an electric screw rod or a hydraulic cylinder can be provided on the frame 100 to provide power. Since the movement amplitude of the scraping plate is relatively large, in order to better adjust the internal space, in this embodiment, a sliding plate 520 is slidably connected to the frame 100 along the left-right direction. A third rotation driving member is connected to the frame 100. The third rotation driving member is drivingly connected to a conveyor belt 530. The sliding plate 520 is connected to the conveyor belt 530. The dial plate 510 is connected to the sliding plate 520. In practical applications, two bearing seats can be installed on the frame 100 along the left-right direction. Two transmission wheels are respectively rotatably connected to the two bearing seats. The conveyor belt 530 is in transmission connection with the two transmission wheels and performs a rotary motion under the drive of the third rotation driving member. The third rotation driving member is mainly used to provide the driving force for rotation, and there are various structural forms thereof, such as a motor. The third rotation driving member drives the conveyor belt 530 to perform a rotary motion on the frame 100. By controlling the conveyor belt 530 to be driven to rotate forward or backward, the dial plate 510 is controlled to move back and forth along the left-right direction.

[0034] In some embodiments, a stop frame 600 is connected to the frame 100, and the stop frame 600 is located on the downstream side of the upper conveying device 400 in the conveying direction. After the upper conveying surface transfers the product in place, the stop frame 600 can be used to limit the movement of the product, which is beneficial to ensuring the accurate transfer of the product in place. In actual use, when the stop frame 600 blocks the transfer of the product, the upper conveying surface does not need to pause during the transfer of the product by the baffle plate 510, improving the working stability of the upper conveying device 400.

[0035] The lower conveying device 200 can adopt a belt conveyor, a chain conveyor, etc. to form the above-mentioned conveying surface. In order to facilitate the expansion of external devices on the lower conveying surface, multiple rotating rollers can be used to form the lower conveying surface. Specifically, as Figure 4 shown, the lower conveying device 200 is a roller conveyor. Multiple rotating rollers on the roller conveyor form a lower conveying surface for conveying the packing box, realizing the transfer of the packing box into the packing and the discharge of the packed box after packing.

[0036] For the upper conveying device 400, a belt conveyor can be selected to facilitate the transfer of the product on the upper conveying surface by the baffle plate 510.

[0037] During actual packing, according to different packaging requirements, the required packing boxes will also be different. In order to better adapt to packing boxes of different specifications and sizes, in this embodiment, an adjusting screw rod 700 is connected to the frame 100, and the roller conveyor is connected to the adjusting screw rod 700. The adjusting screw rod 700 can drive the roller conveyor to move up and down. When in use, according to the different height dimensions of the packing box to be transferred, the position of the roller conveyor can be adjusted up and down by the adjusting screw rod 700, so as to better meet the packing requirements for packing boxes of different specifications and sizes and improve the overall versatility of use.

[0038] The adjusting screw rod 700 can be an electric screw rod or a manual screw rod. The number of adjusting screw rods 700 can be set to one, but in this case, the load on the adjusting screw rod 700 is relatively large, and it is difficult to drive the roller conveyor to adjust the height smoothly. Therefore, the number of adjusting screw rods 700 can be multiple, such as two. The two adjusting screw rods 700 are respectively arranged on the left and right sides of the roller conveyor, and the two adjusting screw rods 700 drive the roller conveyor to move up and down on the left and right sides of the roller conveyor respectively, thus greatly improving the stability of the adjustment. In order to make the two adjusting screw rods 700 move synchronously, transmission wheels can be respectively connected to the rotating pairs of the two adjusting screw rods 700, and the two transmission wheels are connected by a synchronous belt to make the two adjusting screw rods 700 move synchronously.

[0039] In order to ensure that the packing box can be accurately transferred to the place, in this embodiment, the roller conveyor is provided with clamping plates 800 at intervals in the left-right direction, and the two clamping plates 800 are respectively located above the conveyor. When the packing box reaches the position below the hole under the transfer of the roller conveyor, the two clamping plates 800 can be respectively located on the left and right sides of the packing box, which is beneficial to limit the position of the packing box and ensure the realization of product packing.

[0040] The above has specifically described the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments. Those skilled in the art can also make various equivalent variations or substitutions without departing from the spirit of the present invention, and these equivalent variations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A packaging machine, characterized in that: The invention comprises a frame (100), on which is arranged: A lower conveying device (200) having a lower conveying surface extending in a front-to-rear direction; A boxing device is located above the lower conveying surface, the boxing device comprises a support frame (300) connected to the frame (100), two support plates (310) rotatably connected to the left and right sides of the support frame (300), and a pressing plate (392) that can move up and down above the support frame (300), the support frame (300) is surrounded by a hole that passes through in the up and down directions, the two support plates (310) can be rotated upward to above the hole and form a support surface, the two support plates (310) can be rotated downward and extend into the hole, and the pressing plate (392) can pass through the hole downward or move upward to the pressing plate (392) above the support surface; An upper conveying device (400) is located beside the support frame (300) and has an upper conveying surface extending in the front-rear direction; The material shifting device comprises a shifting plate (510) which can move back and forth above the upper conveying surface and the material supporting surface.

2. A packaging machine according to claim 1, characterized in that: The frame (100) is connected to a lifting drive member (391), and the lifting drive member (391) drives the pressure plate (392). The bottom side of the pressure plate (392) is provided with a negative pressure groove (393), and the negative pressure groove (393) is filled with sponge. The top side of the pressure plate (392) is provided with a negative pressure joint connected to the negative pressure groove (393), and the negative pressure joint is connected to a negative pressure pump (394) through a pipeline.

3. A packaging machine according to claim 1, characterized in that: The left and right sides of the upper conveying device (400) are respectively provided with boxing devices, and the shifting plate (510) can move back and forth between the two material supporting surfaces.

4. A packaging machine according to claim 1, characterized in that: The packing device comprises a first rotating driving member (320), an upper connecting seat (330) and an upper rotating shaft (340); the upper connecting seat (330) and the first rotating driving member (320) are respectively connected to the left and right sides of the supporting frame (300); the two upper rotating shafts (340) are respectively connected to the two upper connecting seats (330) along the axis of the front-back direction; the two first rotating driving members (320) are respectively driven to connect the two upper rotating shafts (340); and the two supporting plates (310) are respectively connected to the two upper rotating shafts (340).

5. A packaging machine according to claim 1, characterized in that: The box packing device also includes a material shifting unit, which includes a second rotating drive member (350), a lower connecting seat (360), a lower rotating shaft (370) and a box supporting block (380). The lower connecting seat (360) and the second rotating drive member (350) are respectively connected to the bottom side of the supporting frame (300), and the lower rotating shaft (370) is rotatably connected to the lower connecting seat (360) along the axis in the left and right directions. The second rotating drive member (350) is drivingly connected to the lower rotating shaft (370), and the box supporting block (380) is connected to the lower rotating shaft (370). The material shifting unit is symmetrically arranged on the front and rear sides of the supporting frame (300).

6. A packaging machine according to claim 1, characterized in that: A slide plate (520) is slidably connected to the frame (100) in the left-right direction, a third rotating driving member is connected to the frame (100), a conveyor belt (530) is drivingly connected to the third rotating driving member, the slide plate (520) is connected to the conveyor belt (530), and the shifting plate (510) is connected to the slide plate (520).

7. A packaging machine according to claim 1, characterized in that: The frame (100) is connected to a retaining frame (600), and the retaining frame (600) is located on the downstream side of the upper conveying device (400).

8. A packaging machine according to claim 1, characterized in that: The lower conveying device (200) is a roller conveyor.

9. A packaging machine according to claim 8, characterized in that: The frame (100) is connected to an adjusting screw rod (700), the roller conveyor is connected to the adjusting screw rod (700), and the adjusting screw rod (700) can drive the roller conveyor to move up and down.

10. A packaging machine according to claim 8, characterized in that: The roller conveyor is provided with clamping plates (800) at intervals along the left-right direction, and the two clamping plates (800) are respectively located above the conveyor.

Images