Automatic boxing device for dry ice

Abstract

The utility model provides an automatic boxing device for dry ice. The automatic boxing device comprises a box feeding device, a stacking and boxing device, an automatic cover folding and box sealing machine and an automatic PP belt packing machine. The stacking and boxing device comprises a feeding and conveying device, a material distributing device, an ice arranging device, a feeding device and a box supporting device which are sequentially arranged along a dry ice bag conveying route. The material distributing device comprises a material distributing piece and a material pushing piece which are arranged on the chain type conveying belt, and the material distributing piece is formed by arranging a plurality of shifting piece plates at equal intervals; the ice arranging device comprises an ice arranging bottom plate and pressing pieces oppositely arranged on the two sides of the ice arranging bottom plate, and the material pushing piece is used for pushing the dry ice bags in the material distributing piece to the position between the two sets of pressing pieces; the box supporting device comprises a roller type conveying belt, four sets of box supporting pieces and limiting pieces. The limiting piece is arranged corresponding to the position of the box supporting piece; the carton opening piece opens the opening of the empty carton; the feeding device is used for obtaining the dry ice bag sets on the ice arranging bottom plate for boxing.

Description

Technical Field

[0001] The utility model relates to equipment of a dry ice production line, in particular to an automatic boxing device for dry ice. Background Art

[0002] As an efficient refrigeration medium, dry ice has been widely used in the fields of food refrigeration, cold chain transportation, medicine, and fresh-keeping transportation of biological products due to its low temperature, non-toxic, and odorless characteristics. Dry ice is transported in blocks during transportation, and dry ice blocks are used in individual packaging bags.

[0003] After the dry ice blocks are packed into packaging bags on the production line, they need to be placed in cardboard boxes for cold chain storage and transportation. However, for the process of neatly stacking dry ice bags into cardboard boxes, it mainly relies on manual handling and stacking at present. Manual handling and stacking not only have problems such as low efficiency, high labor intensity, and poor product consistency, but also cannot meet the production requirements of large quantities. Summary of the Utility Model

[0004] The utility model provides an automatic boxing device for dry ice, aiming to solve the problems of manual handling and stacking.

[0005] To solve the above technical problems, the utility model provides an automatic boxing device for dry ice, including:

[0006] A box loading device for loading and transporting empty boxes;

[0007] A stacking and boxing device for stacking dry ice bags into empty boxes;

[0008] An automatic box lid folding and sealing machine for sealing the boxes filled with dry ice bags;

[0009] An automatic PP belt strapping machine for strapping the sealed boxes;

[0010] The stacking and boxing device includes a feeding and transporting device, a material distributing device, an ice arranging device, a loading device, and a box supporting device arranged in sequence along the dry ice bag transportation route;

[0011] The material distributing device includes a material distributing part and a pushing part arranged on a chain conveyor. The material distributing part is composed of a plurality of dial plates arranged at equal intervals. The interval is used to place a bag of dry ice bags, and the material distributing part stacks and arranges a plurality of bags of dry ice bags at this interval;

[0012] The ice arranging device includes an ice arranging bottom plate and pressing parts oppositely arranged on both sides of the ice arranging bottom plate. The pushing part is used to push the dry ice bags in the material distributing part between the two groups of pressing parts; the pressing parts cooperate with the material distributing part to stack a plurality of bags of dry ice bags to form a dry ice bag group;

[0013] The box supporting device includes a roller conveyor belt, four groups of box supporting members and a limiting member; the four groups of box supporting members are arranged at the four corners along a rectangle; the limiting member is arranged on the roller conveyor belt and at a position corresponding to the box supporting member;

[0014] The limiting member is used to limit the movement of the empty carton and cooperate with the box supporting member to open the opening of the empty carton; the feeding device is used to obtain the dry ice bag group on the ice arranging bottom plate and transport it to the empty carton for packing.

[0015] In a preferred embodiment, the chain conveyor belt is arranged as a return conveyor belt, and the chain conveyor belt includes an upper conveyor belt and a lower conveyor belt;

[0016] At the input end of the chain conveyor belt, the material distributing member is transported from the lower conveyor belt to the upper conveyor belt; at the output end of the chain conveyor belt, the material distributing member is transported from the upper conveyor belt to the lower conveyor belt;

[0017] The feeding and transporting device is arranged at the input end of the chain conveyor belt; the ice arranging bottom plate and the pushing member are oppositely arranged on both sides of the upper conveyor belt; a photoelectric sensor is arranged at the input end of the chain conveyor belt.

[0018] In a preferred embodiment, the pushing member includes a first cylinder, a second cylinder and a pushing ice plate; the first cylinder drives the pushing ice plate to move horizontally, and the second cylinder drives the pushing ice plate to move vertically;

[0019] A plurality of inserting plates are arranged on the pushing ice plate, and the inserting plates are used to insert into the interval to push out the dry ice bags.

[0020] In a preferred embodiment, the pressing member includes a pressing plate and a pressing cylinder, and at least two bags or more of dry ice bags are stacked along the length direction of the pressing plate;

[0021] Two guiding plates are arranged on the ice arranging bottom plate on the side close to the chain conveyor belt, and the guiding plates are inclined; a baffle is arranged on the ice arranging bottom plate on the side far from the chain conveyor belt.

[0022] In a preferred embodiment, the feeding device includes a driving module and a fixture, and the driving module drives the fixture to clamp and transport the dry ice bag group.

[0023] In a preferred embodiment, the box supporting member includes a box supporting piece and a box supporting cylinder, and the box supporting cylinder drives the box supporting piece to rotate and lift or lower vertically.

[0024] In a preferred embodiment, the box support member further includes a box support cylinder seat; a rotating block is provided at the upper end of the box support piece, and one end of the box support cylinder seat is rotatably connected to the rotating block through a rotating shaft; the driving end of the box support cylinder is connected to the rotating block.

[0025] In a preferred embodiment, the limiting member is arranged below the roller conveyor belt. The limiting member includes a limiting plate and a telescopic cylinder. The telescopic cylinder drives the limiting plate to move up and down telescopically along the gap between the two rollers of the roller conveyor belt.

[0026] The limiting plate extends upward out of the roller conveyor belt to block the transportation of empty boxes.

[0027] In a preferred embodiment, two sets of limiting members are provided, which are divided into a front limiting member and a rear limiting member; the front limiting member and the rear limiting member are used to clamp and fix empty boxes front and back.

[0028] In a preferred embodiment, a plurality of displacement sensors are arranged at intervals on the roller conveyor belt.

[0029] Compared with the prior art, the technical solution of the present utility model has the following beneficial effects:

[0030] By setting up an automatic stacking and boxing device, the automatic stacking and boxing of dry ice bags are realized, the operation efficiency is improved, and the need for manual handling and stacking is reduced. The degree of automation is high, greatly reducing the workload of manual handling and stacking. The operation efficiency of packing dry ice bags is improved, ensuring neat stacking. The labor intensity and error rate of manual operation are reduced. It is applicable to the automated boxing requirements of large-scale dry ice bags. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is the overall machine diagram of the automatic boxing device in the preferred embodiment of the present utility model;

[0032] Figure 2 It is the equipment diagram of the capping and packing and bundling in the preferred embodiment of the present utility model;

[0033] Figure 3 It is the overall machine diagram of the stacking and boxing device in the preferred embodiment of the present utility model;

[0034] Figure 4 It is the structural diagram of the material distribution device in the preferred embodiment of the present utility model;

[0035] Figure 5 It is the structural diagram of the ice arranging device in the preferred embodiment of the present utility model;

[0036] Figure 6 It is the structural diagram of the feeding device in the preferred embodiment of the present utility model;

[0037] Figure 7 Structural diagram of the box support device in the preferred embodiment of the present utility model;

[0038] Figure 8 Structural diagram of the box support member in the preferred embodiment of the present utility model;

[0039] Figure 9 Structural diagram of the limit member in the preferred embodiment of the present utility model.

[0040] Explanation of reference numerals: 1. Incoming material transportation device; 2. Material distribution device; 21. Chain conveyor; 211. Upper conveyor belt; 212. Lower conveyor belt; 213. Sensor mounting seat; 22. Material distribution member; 221. Paddle plate; 23. Pushing member; 231. First cylinder; 232. Second cylinder; 233. Ice pushing plate; 234. Insertion plate; 3. Ice sorting device; 31. Ice sorting bottom plate; 32. Pressing plate; 33. Pressing cylinder; 34. Guide plate; 35. Baffle; 4. Loading device; 41. Driving module; 42. Fixture; 5. Box support device; 51. Roller conveyor; 52. Box support member; 521. Box support piece; 522. Box support cylinder; 523. Box support cylinder seat; 524. Rotating shaft; 525. Rotating block; 53. Limit member; 531. Limit plate; 532. Telescopic cylinder; 54. Displacement sensor; 101. Box loading device; 102. Stacking and boxing device; 103. Automatic lid folding and sealing machine; 104. Automatic PP belt strapping machine; 105. Dry ice bag group; 106. Empty box. Detailed implementation manners

[0041] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0042] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and 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 therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0043] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "provided with", "sheathed / connected", "connection", etc. should be understood in a broad sense. For example, "connection" can be a wall-mounted connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0044] Reference Figures 1-9 , this embodiment provides an automatic boxing device for dry ice, which is an automated device designed to improve the boxing efficiency of dry ice bags, solve the problems of traditional manual handling and stacking, reduce labor intensity, and improve operation efficiency.

[0045] Such as Figure 1 , the automatic boxing device includes:

[0046] The box loading device 101, which adopts a roller-type transportation conveyor belt, is used for loading and transporting empty boxes 106.

[0047] The stacking and boxing device 102 is used for stacking dry ice bags into empty boxes 106.

[0048] The automatic lid folding and sealing machine 103 is used for sealing the lid of the box filled with dry ice bags and can automatically complete the lid folding and sealing work.

[0049] The automatic PP belt strapping machine 104 is used for strapping the sealed box and can automatically complete the automatic strapping of the carton.

[0050] Such as Figure 2 , among which, the automatic lid folding and sealing machine 103 and the automatic PP belt strapping machine 104 are existing automated packaging devices. The automatic lid folding and sealing machine 103 automatically folds and seals the upper lid of the carton through mechanical operation. The operation process includes steps such as box positioning, upper lid folding, and tape pasting. The whole process requires no manual intervention and realizes automatic sealing. The automatic PP belt strapping machine 104 completes strapping through tensioning, heat melting, tape cutting, and bonding, such as Figure 2 .

[0051] Such as Figure 3 , in this embodiment, the stacking and boxing device 102 includes a feeding and transporting device 1, a material distributing device 2, an ice arranging device 3, a feeding device 4, and a box supporting device 5 arranged in sequence along the dry ice bag transportation route.

[0052] The provided material distribution device 2 includes a chain conveyor belt 21, a material distribution member 22 provided on the chain conveyor belt 21, and a pusher member 23. The chain conveyor belt 21 is arranged as a return conveyor belt, which is divided into an upper conveyor belt 211 and a lower conveyor belt 212. Two groups of material distribution members 22 are provided on the chain conveyor. During the transportation of the chain conveyor belt 21, one group of material distribution members 22 is on the upper conveyor belt and transports the dry ice belt to the ice arranging device 3, and one group of material distribution members 22 waits for the feeding of the dry ice belt on the lower conveyor belt 212. Through the cyclic arrangement of the chain conveyor belt 21, the waiting time is reduced and the transportation efficiency is improved.

[0053] As Figure 5 , the material distribution member 22 is composed of a number of paddle plates 221 arranged at equal intervals, and each interval is used to place a bag of dry ice bags. The material distribution member 22 arranges and stacks multiple bags of dry ice bags at the intervals to form a dry ice bag group 105, and the dry ice bags are arranged in an orderly manner through the interval arrangement of the paddle plates 221. The chain conveyor belt 21 includes an input end and an output end. The input end is connected to the feeding and transporting device 1. At the input end, the material distribution member 22 is gradually transported from the lower conveyor belt 212 to the upper conveyor belt 211; the output end is arranged at the rear side of the pusher member 23. After the pusher member 23 feeds the material, at the input end, the material distribution member 22 is gradually transported from the upper conveyor belt 211 to the lower conveyor belt 212.

[0054] As Figure 4 , the feeding and cooperation between the feeding and transporting device 1 and the material distribution member 22 is that when the material distribution member 22 is gradually transported from the input end to the upper conveyor belt 211, the paddle plates 221 of the material distribution member 22 move upward one by one. The feeding and transporting device 1 transports bags of dry ice bags one by one. When the first paddle plate 221 of the material distribution member 22 is transported to the upper conveyor belt 211, the interval between the second paddle plate 221 and the first paddle plate 221 faces the output end of the feeding and transporting device 1, and receives the first bag of dry ice bags transported out by the feeding and transporting device 1. With the transmission of the chain conveyor belt 21 and the transportation cooperation of the feeding and transporting device 1, bags of dry ice bags are placed one by one in the intervals of several paddle plates 221 in sequence, and each interval allows the placement of one bag of dry ice bags and does not exceed one bag of dry ice bags.

[0055] In order to facilitate the placement of bags of dry ice bags into each interval, a photoelectric sensor is provided at the input end of the chain conveyor belt 21 in this embodiment. A sensor mounting seat 213 is arranged on one side of the input end of the chain conveyor belt 21, and a photoelectric sensor is arranged on the sensor mounting seat 213. The photoelectric sensor is used to sense whether there is a dry ice bag stored in the interval. The photoelectric sensor is connected to the control system of the device, and controls the transportation speeds of the chain conveyor belt 21 and the feeding and transporting device 1 through the control system of the device, so as to be able to place them one by one corresponding to the intervals.

[0056] AsFigure 5 , the provided dry ice arranging device 3 is arranged on one side of the upper conveyor belt 211, and a pusher 23 is arranged on the side of the upper conveyor belt 211 opposite to the dry ice arranging device 3. The dry ice arranging device 3 includes a dry ice arranging bottom plate 31 and pressing members oppositely arranged on both sides of the dry ice arranging bottom plate 31. The dry ice arranging bottom plate 31 is arranged on one side of the upper conveyor belt 211. When the material distributing member 22 is transported to the position where the dry ice arranging bottom plate 31 is located along with the chain conveyor 21, the pusher 23 extends to push the dry ice bag group 105 on the material distributing member 22 onto the dry ice arranging bottom plate 31 for arranging.

[0057] The pressing members include a pressing plate 32 and a pressing cylinder 33. The length of the pressing plate 32 is set to be able to arrange at least two or more dry ice bags along the length direction of the pressing plate 32, and the length of the pressing plate 32 is adapted to the length of the empty carton. When the pusher 23 pushes the dry ice bag group 105 onto the dry ice arranging device 3 and the dry ice bag group 105 is pushed between the two pressing plates 32, the two pressing plates 32 on both sides are pressurized inward under the drive of the pressing cylinder 33 to compact the dry ice bag group 105. Through the compaction and stabilization of the pressing members, the neatness and safety of the dry ice bag group 105 during transportation are ensured.

[0058] Through the dry ice arranging bottom plate 31 and the pressing members, in cooperation with the pusher 23, the accurate stacking of dry ice bags is realized. On the side of the dry ice arranging bottom plate 31 close to the chain conveyor 21, there are two guiding plates 34, and the two guiding plates 34 are oppositely arranged to form a guiding channel. The two guiding plates 34 are inclined towards the direction of the pusher 23, which is convenient for the guiding and feeding of dry ice bags. On the side of the dry ice arranging bottom plate 31 far from the chain conveyor 21, there is a baffle 35. The baffle, in cooperation with the pressing blocks on both sides, realizes the orderly arrangement of several groups of dry ice bag groups 105. After several groups of dry ice bag groups 105 are stacked in an array, they are grabbed by the feeding device 4 for boxing operation.

[0059] The pusher 23 includes a first cylinder 231, a second cylinder 232 and a dry ice pushing plate 233. The first cylinder 231 drives the dry ice pushing plate 233 to move horizontally, and the second cylinder 232 drives the dry ice pushing plate 233 to move vertically. The first cylinder 231 and the second cylinder 232 cooperate to push the dry ice bag group 105. In order to cooperate with the design of the intermittent feeding of the material distributing member 22, several inserting plates 234 are arranged on the dry ice pushing plate 233. The inserting plates 234 are used to insert into the interval to push out the dry ice bags, and the insertions are also arranged at intervals, which is convenient for inserting one by one into the intervals of the flap plate 221 to push the dry ice bags.

[0060] As Figure 6, the provided box supporting device 5 includes a drum conveyor 51, four groups of box supporting members 52, and a limiting member 53. The drum chain conveyor 21 is docked with the box loading device 101 and is used to receive the transportation of empty boxes 106. The four groups of box supporting members 52 are arranged at the four corners along a rectangle and are fixed above the drum conveyor 51 through the frame of the equipment, and are used to expand the four corners of the box. The limiting member 53 is arranged on the drum conveyor 51 and is arranged in cooperation with the position of the box supporting member 52. The limiting member 53 is used to limit the transportation of the empty box 106 on the drum conveyor 51, so that the box supporting member 52 can well expand the box, facilitating the loading device 4 to pack dry ice bags. The coordinated work of the box supporting member 52 and the limiting member 53 ensures the stable and accurate packing of the box.

[0061] The loading device 4 includes a driving module 41 and a fixture 42. The driving module 41 drives the fixture 42 to clamp and transport the dry ice bag group 105. The modular design of the loading device 4 improves the clamping and transportation efficiency of the dry ice bag group 105.

[0062] Such as Figure 7 , the box supporting member 52 includes a box supporting piece 521 and a box supporting cylinder 522. The box supporting cylinder 522 drives the box supporting piece 521 to rotate and lift or lower in the vertical direction. When the four groups of box supporting pieces 521 rotate downward, the box supporting pieces 521 extend into the four corners of the opening of the empty box 106, and the four groups of box supporting pieces 521 are used to expand the opening of the empty box 106, giving way to the downward movement of the loading device 4, facilitating the clamping and placing of the dry ice bag group 105 in the box.

[0063] Such as Figure 8 , the rotation structure of the box supporting piece 521 is that the box supporting member 52 further includes a box supporting cylinder seat 523. A rotating block 525 is arranged at the upper end of the box supporting piece 521. One end of the box supporting cylinder seat 523 is rotationally connected to the rotating block 525 through a rotating shaft 524, and the driving end of the box supporting cylinder 522 is connected to the rotating block 525. With the driving of the box supporting cylinder 522 to drive the rotating block 525, the box supporting piece 521 is driven to rotate and lift or lower in the vertical direction.

[0064] Such as Figure 9 , the limiting member 53 is arranged below the drum conveyor 51. The limiting member 53 includes a limiting plate 531 and a telescopic cylinder 532. The telescopic cylinder 532 is used to drive the limiting plate 531 to move up and down telescopically along the gap between the two drums of the drum conveyor 51. The limiting plate 531 is used to extend upward out of the drum conveyor 51 to block the transportation of the empty box 106.

[0065] To stabilize the fixation of the box and facilitate stable boxing, the limiting members 53 are provided in two groups, namely the front limiting member 53 and the rear limiting member 53. The limiting members 53 and the rear limiting member 53 are used to clamp and fix the empty box 106 from the front and back. A number of displacement sensors 54 are arranged at intervals on the roller conveyor 51 to identify the transportation position of the empty box 106, so as to cooperate with the work of the limiting member 53 and the box supporting member 52.

[0066] The above is only a preferred specific embodiment of the present invention, but the design concept of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention who makes non-substantive changes to the present invention using this concept shall fall within the scope of infringement of the protection of the present invention.

Claims

1. An automatic packing device for dry ice, characterized in that: Including: A box loading device for loading and transporting empty boxes; A stacking and packing device for stacking dry ice bags into empty boxes; An automatic lid folding and sealing machine for sealing the lids of boxes filled with dry ice bags; An automatic PP belt strapping machine for strapping the sealed boxes; The stacking and packing device includes a feeding and transporting device, a material distributing device, an ice arranging device, a loading device, and a box supporting device arranged in sequence along the dry ice bag transportation route; The material distributing device includes a material distributing part and a pushing part arranged on a chain conveyor. The material distributing part is composed of several paddle plates arranged at equal intervals, and the interval is used to place a bag of dry ice bags. The material distributing part arranges and stacks several bags of dry ice bags at this interval; The ice arranging device includes an ice arranging bottom plate and pressing parts oppositely arranged on both sides of the ice arranging bottom plate. The pushing part is used to push the dry ice bags in the material distributing part between the two groups of pressing parts; the pressing parts cooperate with the material distributing part to stack several bags of dry ice bags to form a dry ice bag group; The box supporting device includes a roller conveyor, four groups of box supporting parts, and a limiting part; the four groups of box supporting parts are arranged at the four corners along a rectangle; the limiting part is arranged on the roller conveyor and corresponds to the position of the box supporting parts; The limiting part is used to limit the movement of the empty cardboard box and cooperate with the box supporting parts to open the opening of the empty cardboard box; the loading device is used to obtain the dry ice bag group on the ice arranging bottom plate and transport it to the empty cardboard box for packing.

2. The automatic packing device for dry ice according to claim 1, wherein: The chain conveyor is set as a return conveyor, and the chain conveyor includes an upper conveyor belt and a lower conveyor belt; At the input end of the chain conveyor, the material distributing part is transported from the lower conveyor belt to the upper conveyor belt; at the output end of the chain conveyor, the material distributing part is transported from the upper conveyor belt to the lower conveyor belt; The feeding and transporting device is arranged at the input end of the chain conveyor; the ice arranging bottom plate and the pushing part are oppositely arranged on both sides of the upper conveyor belt; a photoelectric sensor is arranged at the input end of the chain conveyor.

3. The automatic packing device for dry ice according to claim 2, characterized in that: The pushing part includes a first cylinder, a second cylinder, and a pushing ice plate; the first cylinder drives the pushing ice plate to move horizontally, and the second cylinder drives the pushing ice plate to move vertically; Several inserting plates are arranged on the pushing ice plate, and the inserting plates are used to insert into the interval to push out the dry ice bags.

4. The automatic packing device for dry ice according to claim 3, wherein: The pressing part includes a pressing plate and a pressing cylinder, and at least two bags or more of dry ice bags are stacked along the length direction of the pressing plate; Two guiding plates are arranged on one side of the ice arranging bottom plate close to the chain conveyor, and the guiding plates are inclined; a baffle is arranged on one side of the ice arranging bottom plate far from the chain conveyor.

5. The automatic packing device for dry ice according to claim 1, wherein: The loading device includes a driving module and a fixture, and the driving module drives the fixture to clamp and transport the dry ice bag group.

6. The automatic packing device for dry ice according to claim 1, characterized in that: The box supporting part includes a box supporting piece and a box supporting cylinder, and the box supporting cylinder drives the box supporting piece to rotate and lift or lower vertically.

7. An automatic packing device for dry ice according to claim 6, characterized in that: The box supporting part further includes a box supporting cylinder seat; a rotating block is arranged at the upper end of the box supporting piece, and one end of the box supporting cylinder seat is rotationally connected to the rotating block through a rotating shaft; the driving end of the box supporting cylinder is connected to the rotating block.

8. The automatic packing device for dry ice according to claim 1, wherein: The limiting member is arranged below the drum conveyor belt. The limiting member includes a limiting plate and a telescopic cylinder, and the telescopic cylinder drives the limiting plate to move up and down telescopically along the gap between the two drums of the drum conveyor belt; The limiting plate extends upward out of the drum conveyor belt and is used to block the transportation of empty boxes.

9. The automatic packing device for dry ice according to claim 8, wherein: Two sets of limiting members are provided, which are divided into a front limiting member and a rear limiting member; the front limiting member and the rear limiting member are used to clamp and fix the empty boxes front and back.

10. The automatic packing device for dry ice according to claim 9, characterized in that: A plurality of displacement sensors are arranged at intervals on the drum conveyor belt.

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