Self-adaptive carton packaging device

Abstract

The utility model belongs to the technical field of carton packaging and sealing equipment, and relates to a self-adaptive carton packaging device which comprises a rack, a roller assembly is arranged on the rack, a carton is placed on the roller assembly, an operation assembly is installed on the top of the rack and located over the roller assembly, and the operation assembly is connected with the rack. The operation assembly is used for pressing an upper cover of a carton and sealing the carton with an adhesive tape, a conveying assembly is arranged on the roller assembly, the distance of the conveying assembly is adjusted according to the width of the carton, and the conveying assembly is used for clamping and driving the carton to move on the roller assembly; the conveying assembly comprises a power and transmission module, a conveying crawler belt module, a distance adjusting module, a vertical height adjusting module, a tensioning contact module and a sensing module. The tensioning contact module makes contact with and clamps the upper portions of the cartons, the cartons large in size and high in height are prevented from deviating or even toppling over in the advancing process, the stability of the cartons is improved, continuous packaging operation can be conducted on the cartons of different models and sizes, and the applicability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of carton packaging sealing equipment, and in particular relates to an adaptive carton packaging device. Background Art

[0002] A carton packaging machine is a device that packs and packages cartons, and can perform batch packaging operations on cartons. Existing carton packaging equipment is usually assembled adaptively to a production line of a specific type of carton when in use, so that the packaging line can meet the transportation requirements of the cartons during transportation.

[0003] Traditional carton packaging equipment can only transport cartons of a certain specification for packaging, such as a carton packaging machine disclosed in authorization announcement number CN109956102B and an automatic carton packaging machine for carton processing disclosed in authorization announcement number CN 219970214 U. These are not suitable for cartons of different models and sizes. Moreover, when packaging larger and higher cartons, the cartons are prone to shifting or even falling over, which seriously affects packaging accuracy and work efficiency. Summary of the invention

[0004] The utility model aims to provide an adaptive carton packaging device which can prevent carton deviation and tipping and can continuously package cartons of different models and sizes.

[0005] The technical solution adopted by the utility model to solve the technical problem is: an adaptive carton packaging device, comprising a frame, a roller assembly is provided on the frame, the roller assembly is used to place the carton, an operating assembly is installed on the top of the frame, the operating assembly is located directly above the roller assembly, the operating assembly is used to press down the upper cover of the carton and seal it with tape, a conveying assembly is provided on the roller assembly, the conveying assembly adjusts the spacing according to the width of the carton, and the conveying assembly is used to clamp and drive the carton to move on the roller assembly;

[0006] The conveying assembly includes a power and transmission module installed at the bottom of the frame and two groups of conveying crawler modules disposed on both sides of the roller assembly. The carton is located between the two groups of conveying crawler modules. A spacing adjustment module is installed on the frame. The spacing adjustment module is connected to the two groups of conveying crawler modules to drive the two groups of conveying crawler modules to move toward or away from each other to adjust the spacing between the two groups of conveying crawler modules according to the width of the carton. A group of vertical height adjustment modules is installed above each group of conveying crawler modules. A group of tensioning contact modules is installed on each group of vertical height adjustment modules. The two groups of tensioning contact modules are arranged opposite to each other. Sensor modules are respectively provided at both ends of each group of vertical height adjustment modules. The tensioning contact module and the sensor module move up and down driven by the vertical height adjustment module.

[0007] Furthermore, the power and transmission module includes a power assembly, a power transmission assembly and a power shaft. The power assembly is fixedly installed at the bottom of the frame. The output ends of the power assembly are respectively connected to two sets of power transmission assemblies. The two sets of power transmission assemblies rotate in opposite directions. Each set of power transmission assemblies is connected to a set of conveying crawler modules through a set of power shafts. The power assembly drives the two sets of relatively arranged conveying crawler modules to rotate in opposite directions. The two sets of conveying crawler modules drive the cartons to move forward on the roller assembly.

[0008] Furthermore, the transmission track module includes a contact track and a driving wheel. The driving wheel is fixedly connected to the power shaft. A plurality of support wheels are distributed in a straight line in front of the driving wheel. The contact track is longitudinally arranged. The contact track is covered on the outer walls of the driving wheel and the support wheels. The power shaft drives the driving wheel to rotate, and the driving wheel drives the contact track to rotate. An upper support plate and a lower support plate are respectively provided above and below the contact track. The wheel axles of the driving wheel and the support wheel are connected to the upper support plate and the lower support plate. The bottom of the vertical height adjustment module is fixedly mounted on the upper support plate.

[0009] Furthermore, the spacing adjustment module includes a spacing adjustment motor, a front spacing adjustment assembly, a rear spacing adjustment assembly, a power transmission component, and a power transmission support rod. The spacing adjustment motor is fixedly installed on the frame, and the output end of the spacing adjustment motor is connected to the front spacing adjustment assembly. The front spacing adjustment assembly is vertically arranged with the two sets of transmission track modules, and the rear spacing adjustment assembly is parallelly arranged with the front spacing adjustment assembly. The rear spacing adjustment assembly is connected with the front spacing adjustment assembly through the power transmission component. The spacing adjustment motor drives the front spacing adjustment assembly and the rear spacing adjustment assembly to move synchronously. The front spacing adjustment assembly and the rear spacing adjustment assembly are fixedly connected to the lower support plates of the two sets of transmission track modules through two sets of power transmission support rods. The front spacing adjustment assembly and the rear spacing adjustment assembly drive the two sets of transmission track modules to move toward or away from each other.

[0010] Furthermore, the front spacing adjustment assembly and the rear spacing adjustment assembly have the same structure, and the front spacing adjustment assembly includes a transmission screw, which is provided with positive and negative threads, and the positive and negative threads of the transmission screw are respectively threaded with screw blocks, and the two screw blocks are respectively fixedly connected to the lower support plates of the corresponding conveying track modules through power transmission support rods. The spacing adjustment motor drives the transmission screw to rotate, and the two screw blocks move toward or away from each other along the transmission screw, thereby driving the two conveying track modules to move toward or away from each other to adjust the spacing between the two conveying track modules.

[0011] Furthermore, the vertical height adjustment module includes two groups of vertical slides and a synchronous screw laterally connected between the two groups of vertical slides. The bottom of the vertical slide is fixedly mounted on the end of the conveying track module, the tensioning contact module is fixedly mounted on the synchronous screw, and the sensor module is fixedly mounted on both ends of the synchronous screw. The tensioning contact module and the sensor module slide up and down along the vertical slide with the synchronous screw.

[0012] Furthermore, the tensioning contact module includes a first support frame fixed to the end of the synchronous connecting rod and slidably mounted on the vertical slide, and a plurality of second support frames evenly distributed on the synchronous connecting rod; the first support frame and the second support frame are both connected to a tensioning body, a tensioning spring rod is provided in the tensioning body, a tensioning connecting rod is provided at the front end of the tensioning body, the rear end of the tensioning connecting rod is connected to the tensioning spring rod, the front end of the tensioning connecting rod is connected to a wheel frame, a tensioning wheel is installed at the front end of the wheel frame, and the tensioning wheel faces the carton.

[0013] Furthermore, the sensor module includes a fixed bracket longitudinally fixedly installed on the end of the synchronous screw, a first ranging sensor is respectively installed on the fixed brackets at both ends of the synchronous screw above a group of conveying crawler modules, and a second ranging sensor is respectively installed on the fixed brackets at both ends of the synchronous screw above another group of conveying crawler modules. The first ranging sensor and the second ranging sensor have different heights, and the first ranging sensor and the second ranging sensor are used to identify and detect the height and width of the carton.

[0014] Furthermore, the operating component includes an operating body installed on the top of the frame, a front pressure plate is provided below the operating body, the front pressure plate is used to flatten the front side panels of the carton, a rear pressure plate is provided at the inlet end of the operating body, the rear pressure plate is used to flatten the rear side panels of the carton, telescopic side pressure rods are respectively installed on both sides of the operating body, the telescopic side pressure rods are used to flatten the two side panels of the carton, and a sealing tape assembly is installed at the outlet end of the operating body, the sealing tape assembly is used to seal the carton with the top flattened.

[0015] Furthermore, an operating lifting motor is respectively provided above the front and rear ends of the operating body, and a screw is connected to the output end of the operating lifting motor. One side of the operating body is threadedly connected to the screw, and the other side is slidably connected to a light rod. A synchronous power transmission component is connected between the screw and the light rod. The operating lifting motor drives the screw to rotate, and then drives the operating body to move up and down along the light rod, and the working height of the operating body is adjusted according to the height of the carton.

[0016] The utility model has the following beneficial effects: the sensing module and the tensioning contact module of the adaptive carton packaging device of the utility model can be autonomously raised and lowered along with the vertical height adjustment module, and the height and horizontal spacing of the carton can be identified and detected by the sensing module, and the spacing adjustment module can be automatically controlled according to the feedback distance information to adjust the distance between the two groups of conveying crawler modules to adapt to cartons of different widths and heights. At the same time, the tensioning contact module contacts and clamps the upper part of the carton to prevent large and high cartons from shifting or even tipping over during the forward movement, thereby improving the stability of the carton during transportation, and being able to perform continuous packaging operations on cartons of different models and sizes, thereby improving the applicability of the carton packaging device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the adaptive carton packaging device of the utility model.

[0018] Figure 2 It is a three-dimensional diagram of the overall structure of the adaptive carton packaging device of the utility model with the outer shell removed.

[0019] Figure 3 It is a front view of the adaptive carton packaging device of the utility model with the outer shell removed.

[0020] Figure 4 yes Figure 3 AA section view.

[0021] Figure 5 yes Figure 4 Enlarged view of the local structure at point D in the middle.

[0022] Figure 6 It is a left view of the adaptive carton packaging device of the utility model with the outer shell removed.

[0023] Figure 7 yes Figure 6 Enlarged view of the local structure at point E in the middle.

[0024] Figure 8 yes Figure 6 Middle BB section view.

[0025] Fig. 9 It is a rear view of the adaptive carton packaging device of the utility model with the outer shell removed.

[0026] Fig.10 yes Fig. 9 Middle CC section view.

[0027] In the figure, 1, frame, 2, roller assembly, 3, transmission assembly, 4, operation assembly, 5, carton;

[0028] 31. Conveyor track module, 32. Power and transmission module, 33. Spacing adjustment module, 34. Vertical height adjustment module, 35. Tensioning contact module, 36. Sensing module;

[0029] 311, contact track, 312, driving wheel, 313, supporting wheel, 314, upper supporting plate, 315, lower supporting plate;

[0030] 321. Powertrain, 322. Powertrain assembly, 323. Power shaft;

[0031] 331. Spacing adjustment motor, 332. Front spacing adjustment assembly, 333. Rear spacing adjustment assembly, 334. Power transmission assembly, 335. Power transmission support rod;

[0032] 3321, transmission screw, 3322, screw block;

[0033] 341, vertical slide, 342, synchronous connecting rod;

[0034] 351, first support frame, 352, second support frame, 353, tensioning body, 354, tensioning wheel, 355, wheel frame, 356, tensioning connecting rod, 357, tensioning spring rod;

[0035] 361, a first distance measuring sensor, 362, a second distance measuring sensor, 363, a fixing bracket;

[0036] 41. Front pressure plate, 42. Rear pressure plate, 43. Telescopic side pressure rod, 44. Operation lifting motor, 45. Operation body, 46. Screw rod, 47. Synchronous power transmission assembly, 48. Polish rod, 49. Sealing tape assembly. DETAILED DESCRIPTION

[0037] The utility model will now be further described in detail with reference to the accompanying drawings.

[0038] like Figure 1 As shown, an adaptive carton packaging device includes a frame 1, on which a roller assembly 2 is provided, the roller assembly 2 includes a plurality of rollers arranged side by side, both ends of the rollers are respectively connected to the frame 1, and the roller assembly 2 is used to place a carton 5 so that the carton 5 passively slides forward on the rollers. A working assembly 4 is installed on the top of the frame 1, and the working assembly 4 is located directly above the roller assembly 2. The working assembly 4 is used to press down the upper cover of the carton 5 and seal it with tape. A conveying assembly 3 is provided on the roller assembly 2, and the conveying assembly 3 is adjusted according to the width of the carton 5. The conveying assembly 3 is used to clamp and drive the carton 5 to move on the roller assembly 2.

[0039] like Figure 2-4As shown, the conveying assembly 3 includes a power and transmission module 32 installed at the bottom of the frame 1 and two groups of conveying crawler modules 31 disposed on both sides of the roller assembly 2. The carton 5 is located between the two groups of conveying crawler modules 31. A spacing adjustment module 33 is installed on the frame 1. The spacing adjustment module 33 is connected to the two groups of conveying crawler modules 31 to drive the two groups of conveying crawler modules 31 to move toward or away from each other so as to adjust the spacing between the two groups of conveying crawler modules 31 according to the width of the carton 5. A group of vertical height adjustment modules 34 is installed above each group of conveying crawler modules 31. A group of tensioning contact modules 35 is installed on each group of vertical height adjustment modules 34. The two groups of tensioning contact modules 35 are arranged opposite to each other. The two groups of tensioning contact modules 35 are respectively used for clamping contact with the two sides of the carton 5. On the one hand, they assist the conveying crawler modules 31 to drive the carton 5 to move forward, and on the other hand, they limit the carton 5 to prevent the carton 5 from shifting. Both ends of each set of vertical height adjustment modules 34 are provided with sensor modules 36 , respectively. The tensioning contact module 35 and the sensor module 36 move up and down under the drive of the vertical height adjustment module 34 .

[0040] The power and transmission module 32 includes a power assembly 321, a power transmission assembly 322 and a power shaft 323. The power assembly 321 is fixedly installed at the bottom of the frame 1. The output ends of the power assembly 321 are respectively connected to two groups of power transmission assemblies 322. The two groups of power transmission assemblies 322 rotate in opposite directions. Each group of power transmission assemblies 322 is connected to a group of conveyor track modules 31 through a group of power shafts 323. The power assembly 321 drives the two groups of relatively arranged conveyor track modules 31 to rotate in opposite directions. The two groups of conveyor track modules 31 drive the carton 5 to move forward on the roller assembly 2.

[0041] The power assembly 321 can be a combination of a motor and a gear module, the gear module includes an even number of gears meshingly connected in sequence, wherein a gear at any position in the middle is a driving gear, and the other gears are driven gears, ensuring that the number of driven gears on one side of the driving gear is an odd number, and the number of driven gears on the other side is an even number, the driven gear located at the end is connected to the power transmission assembly 322, and the driving gear is connected to the output end of the motor. The motor drives the driving gear to rotate, and then drives the two driven gears located at the end to rotate in the opposite direction, thereby driving the two sets of conveying crawler modules 31 to rotate in the opposite direction through the power transmission assembly 322 and the power shaft 323, and cartons are placed between the two sets of conveying crawler modules 31, and the two sets of conveying crawler modules 31 rotating in the opposite directions drive the cartons to move forward.

[0042] like Figure 3 , Figure 8As shown, the conveying track module 31 includes a contact track 311 and a driving wheel 312. The driving wheel 312 is fixedly connected to the power shaft 323. A plurality of support wheels 313 are distributed in a straight line in front of the driving wheel 312. The contact track 311 is longitudinally arranged, and the track surface of the contact track 311 faces the carton 5. The contact track 311 is wrapped around the outer walls of the driving wheel 312 and the support wheels 313. The power shaft 323 drives the driving wheel 312 to rotate, and the driving wheel 312 drives the contact track 311 to rotate. An upper support plate 314 and a lower support plate 315 are respectively provided above and below the contact track 311. The wheel axles of the driving wheel 312 and the support wheel 313 are connected to the upper support plate 314 and the lower support plate 315. The bottom of the vertical height adjustment module 34 is fixedly installed on the upper support plate 314.

[0043] like Figure 8 As shown, the spacing adjustment module 33 includes a spacing adjustment motor 331, a front spacing adjustment assembly 332, a rear spacing adjustment assembly 333, a power transmission component 334, and a power transmission support rod 335. The spacing adjustment motor 331 is fixedly installed on the frame 1, and the output end of the spacing adjustment motor 331 is connected to the front spacing adjustment assembly 332. The front spacing adjustment assembly 332 is vertically arranged with the two sets of conveying crawler modules 31, and the rear spacing adjustment assembly 333 is parallel to the front spacing adjustment assembly 332. The assembly 333 is connected to the front spacing adjustment assembly 332 through the power transmission component 334, and the spacing adjustment motor 331 drives the front spacing adjustment assembly 332 and the rear spacing adjustment assembly 333 to move synchronously. The front spacing adjustment assembly 332 and the rear spacing adjustment assembly 333 are fixedly connected to the lower support plates 315 of the two groups of conveying crawler modules 31 through two groups of power transmission support rods 335. The front spacing adjustment assembly 332 and the rear spacing adjustment assembly 333 drive the two groups of conveying crawler modules 31 to move toward or away from each other.

[0044] like Fig.10 As shown, the front spacing adjustment assembly 332 and the rear spacing adjustment assembly 333 have the same structure. The front spacing adjustment assembly 332 includes a transmission screw 3321, on which are provided positive and negative threads. The positive and negative threads of the transmission screw 3321 are respectively threadedly connected with screw blocks 3322. The two screw blocks 3322 are respectively fixedly connected to the lower support plate 315 of the corresponding conveying crawler module 31 through a power transmission support rod 335. The spacing adjustment motor 331 drives the transmission screw 3321 to rotate, and the two screw blocks 3322 move toward or away from each other along the transmission screw 3321, thereby driving the two conveying crawler modules 31 to move toward or away from each other to adjust the spacing between the two conveying crawler modules 31.

[0045] like Fig. 9As shown, the vertical height adjustment module 34 includes two groups of vertical slides 341 and a synchronous screw 342 laterally connected between the two groups of vertical slides 341. The bottom of the vertical slide 341 is fixedly mounted on the end of the upper support plate 314 of the conveying crawler module 31. The tensioning contact module 35 is fixedly mounted on the synchronous screw 342. The sensor module 36 is fixedly mounted on both ends of the synchronous screw 342. The tensioning contact module 35 and the sensor module 36 slide up and down along the vertical slide 341 with the synchronous screw 342. The vertical slide 341 can adopt the motor, slider, and slide rail structure in the prior art, which will not be repeated here.

[0046] like Figure 5-8 As shown, the tensioning contact module 35 includes a first support frame 351 fixed to the end of the synchronous link 342 and slidably mounted on the vertical slide 341, and a plurality of second support frames 352 evenly distributed on the synchronous link 342; the first support frame 351 and the second support frame 352 are both connected to a tensioning body 353, a tensioning spring rod 357 is arranged in the tensioning body 353, a tensioning link 356 is arranged at the front end of the tensioning body 353, a rear end of the tensioning link 356 is connected to the tensioning spring rod 357, a front end of the tensioning link 356 is connected to a wheel frame 355, a tensioning wheel 354 is installed at the front end of the wheel frame 355, and the tensioning wheel 354 faces the carton 5.

[0047] like Figure 6 As shown, the sensor module 36 includes a fixed bracket 363 longitudinally fixedly installed at the end of the synchronous screw 342, and a first distance measuring sensor 361 is respectively installed on the fixed brackets 363 at both ends of the synchronous screw 342 above a group of conveyor crawler modules 31, and a second distance measuring sensor 362 is respectively installed on the fixed brackets 363 at both ends of the synchronous screw 342 above another group of conveyor crawler modules 31. The first distance measuring sensor 361 and the second distance measuring sensor 362 are at different heights. The first distance measuring sensor 361 and the second distance measuring sensor 362 are used to identify and detect the height and horizontal spacing of the carton 5. The first distance measuring sensor 361 and the second distance measuring sensor 362 can be laser distance measuring sensors.

[0048] like Figure 2As shown, the operating component 4 includes an operating body 45 installed on the top of the frame 1, a front pressure plate 41 is provided below the operating body 45, and the front pressure plate 41 is used to flatten the front side plate of the carton 5, a rear pressure plate 42 is provided at the entrance end of the operating body 45, and the rear pressure plate 42 is used to flatten the rear side plate of the carton 5, telescopic side pressure rods 43 are respectively installed on both sides of the operating body 45, and the telescopic side pressure rods 43 are used to flatten the two side plates of the carton 5, and a sealing tape assembly 49 is installed at the exit end of the operating body 45, and the sealing tape assembly 49 is used to seal the carton 5 with the top flattened. An operating lifting motor 44 is respectively provided above the front and rear ends of the operating body 45, and a screw 46 is connected to the output end of the operating lifting motor 44. One side of the operating body 45 is threadedly connected to the screw 46, and the other side is slidably connected to a light rod 48. A synchronous power transmission component 47 is connected between the screw 46 and the light rod 48. The operating lifting motor 44 drives the screw 46 to rotate, and then drives the operating body 45 to move up and down along the light rod 48, and the working height of the operating body 45 is adjusted according to the height of the carton.

[0049] The specific structure and working principle of the operating component 4 can adopt the existing technology, which will not be repeated in this application. The application also includes a control system, and the transmission component and the operating component are both connected to the control system.

[0050] After the carton 5 is placed on the roller assembly 2, the first distance measuring sensor 361 and the second distance measuring sensor 362 on both sides identify and measure the distance of the carton 5, and the vertical height adjustment module 34 drives the sensor module 36 to rise and fall. When the sensor module 36 identifies the top of the carton, it feeds back the height signal to the control system, and the control system controls the operation lifting motor 44 to drive the operation body 45 to descend to the appropriate height of the top of the carton, and the front pressure plate 41 and the rear pressure plate 42 are actuated to flatten the front side plate and the rear side plate of the carton 5; at the same time, the sensor module 36 detects its horizontal distance from the side wall of the carton, and feeds back the distance signal to the control system. The control system controls the spacing adjustment motor 331 to work, driving the two conveying crawler modules 31 to move toward each other, so that the tensioning wheel 354 contacts the side wall of the carton, and supports and limits the carton 5; at the same time, the power assembly 321 continues to work, driving the two sets of relatively arranged conveying crawler modules 31 to rotate in opposite directions, so that the two sets of conveying crawler modules 31 drive the carton 5 to continue to move forward on the roller assembly 2; when the carton 5 moves to the telescopic side pressure rod 43, the telescopic side pressure rod 43 works to flatten the two side panels of the carton 5, and when the carton 5 moves to the exit, the sealing tape assembly 49 seals the carton 5 with the top flattened.

[0051] The above-described embodiments are merely descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by ordinary persons in the art to the technical solution of the present invention shall fall within the scope of protection of the present invention.

[0052] The technology, shape and structure parts not described in detail in the present invention are all known technologies.

Claims

1. An adaptive carton packaging device, characterized in that: The machine comprises a frame, a roller assembly is arranged on the frame, the roller assembly is used to place cartons, an operating assembly is installed on the top of the frame, the operating assembly is located directly above the roller assembly, the operating assembly is used to press down the upper cover of the carton and seal it with tape, a conveying assembly is arranged on the roller assembly, the conveying assembly is adjusted in spacing according to the width of the carton, and the conveying assembly is used to clamp and drive the carton to move on the roller assembly; The conveying assembly includes a power and transmission module installed at the bottom of the frame and two groups of conveying crawler modules disposed on both sides of the roller assembly. The carton is located between the two groups of conveying crawler modules. A spacing adjustment module is installed on the frame. The spacing adjustment module is connected to the two groups of conveying crawler modules to drive the two groups of conveying crawler modules to move toward or away from each other to adjust the spacing between the two groups of conveying crawler modules according to the width of the carton. A group of vertical height adjustment modules is installed above each group of conveying crawler modules. A group of tensioning contact modules is installed on each group of vertical height adjustment modules. The two groups of tensioning contact modules are arranged opposite to each other. Sensor modules are respectively provided at both ends of each group of vertical height adjustment modules. The tensioning contact module and the sensor module move up and down driven by the vertical height adjustment module.

2. The adaptive carton packaging device according to claim 1, characterized in that: The power and transmission module includes a power assembly, a power transmission assembly and a power shaft. The power assembly is fixedly installed at the bottom of the frame. The output ends of the power assembly are respectively connected to two sets of power transmission assemblies. The two sets of power transmission assemblies rotate in opposite directions. Each set of power transmission assemblies is connected to a set of conveyor track modules through a set of power shafts. The power assembly drives the two sets of relatively arranged conveyor track modules to rotate in opposite directions. The two sets of conveyor track modules drive the cartons to move forward on the roller assembly.

3. The adaptive carton packaging device according to claim 2, characterized in that: The conveying track module includes a contact track and a driving wheel. The driving wheel is fixedly connected to the power shaft. A plurality of supporting wheels are distributed in a straight line in front of the driving wheel. The contact track is longitudinally arranged and wrapped around the outer walls of the driving wheel and the supporting wheels. The power shaft drives the driving wheel to rotate, and the driving wheel drives the contact track to rotate. An upper supporting plate and a lower supporting plate are respectively arranged above and below the contact track. The wheel axles of the driving wheel and the supporting wheel are connected to the upper supporting plate and the lower supporting plate. The bottom of the vertical height adjustment module is fixedly mounted on the upper supporting plate.

4. The adaptive carton packaging device according to claim 2, characterized in that: The spacing adjustment module includes a spacing adjustment motor, a front spacing adjustment assembly, a rear spacing adjustment assembly, a power transmission component, and a power transmission support rod. The spacing adjustment motor is fixedly installed on the frame, and the output end of the spacing adjustment motor is connected to the front spacing adjustment assembly. The front spacing adjustment assembly is vertically arranged with two sets of transmission crawler modules, and the rear spacing adjustment assembly is parallelly arranged with the front spacing adjustment assembly. The rear spacing adjustment assembly is connected with the front spacing adjustment assembly through the power transmission component. The spacing adjustment motor drives the front spacing adjustment assembly and the rear spacing adjustment assembly to move synchronously. The front spacing adjustment assembly and the rear spacing adjustment assembly are fixedly connected with the lower support plates of the two sets of transmission crawler modules through two sets of power transmission support rods. The front spacing adjustment assembly and the rear spacing adjustment assembly drive the two sets of transmission crawler modules to move toward or away from each other.

5. The adaptive carton packaging device according to claim 4, characterized in that: The front spacing adjustment assembly and the rear spacing adjustment assembly have the same structure. The front spacing adjustment assembly includes a transmission screw, which is provided with positive and negative threads. The positive and negative threads of the transmission screw are respectively threadedly connected with screw blocks, and the two screw blocks are respectively fixedly connected to the lower support plates of the corresponding transmission crawler modules through power transmission support rods. The spacing adjustment motor drives the transmission screw to rotate, and the two screw blocks move toward or away from each other along the transmission screw, thereby driving the two transmission crawler modules to move toward or away from each other to adjust the spacing between the two transmission crawler modules.

6. The adaptive carton packaging device according to claim 1, characterized in that: The vertical height adjustment module includes two groups of vertical slides and a synchronous screw laterally connected between the two groups of vertical slides. The bottom of the vertical slide is fixedly mounted on the end of the conveying crawler module, the tensioning contact module is fixedly mounted on the synchronous screw, and the sensor module is fixedly mounted on both ends of the synchronous screw. The tensioning contact module and the sensor module slide up and down along the vertical slide with the synchronous screw.

7. The adaptive carton packaging device according to claim 6, characterized in that: The tensioning contact module includes a first support frame fixed to the end of a synchronous connecting rod and slidably mounted on a vertical slide, and a plurality of second support frames evenly distributed on the synchronous connecting rod; the first support frame and the second support frame are both connected to a tensioning body, a tensioning spring rod is arranged in the tensioning body, a tensioning connecting rod is arranged at the front end of the tensioning body, the rear end of the tensioning connecting rod is connected to the tensioning spring rod, the front end of the tensioning connecting rod is connected to a wheel frame, a tensioning wheel is installed at the front end of the wheel frame, and the tensioning wheel faces the carton.

8. The adaptive carton packaging device according to claim 6, characterized in that: The sensor module includes a fixed bracket longitudinally fixedly installed on the end of the synchronous screw, a first ranging sensor is respectively installed on the fixed brackets at both ends of the synchronous screw above a group of conveying crawler modules, and a second ranging sensor is respectively installed on the fixed brackets at both ends of the synchronous screw above another group of conveying crawler modules. The first ranging sensor and the second ranging sensor have different heights, and the first ranging sensor and the second ranging sensor are used to identify and detect the height and width of the carton.

9. The adaptive carton packaging device according to claim 1, characterized in that: The operating component includes an operating body installed on the top of the frame, a front pressing plate is provided below the operating body, the front pressing plate is used to flatten the front side panels of the carton, a rear pressing plate is provided at the inlet end of the operating body, the rear pressing plate is used to flatten the rear side panels of the carton, telescopic side pressure rods are respectively installed on both sides of the operating body, the telescopic side pressure rods are used to flatten the two side panels of the carton, and a sealing tape assembly is installed at the outlet end of the operating body, the sealing tape assembly is used to seal the carton with the top flattened.

10. The adaptive carton packaging device according to claim 9, characterized in that: An operating lifting motor is respectively provided above the front and rear ends of the operating body, and a screw is connected to the output end of the operating lifting motor. One side of the operating body is threadedly connected to the screw, and the other side is slidably connected to a light rod. A synchronous power transmission component is connected between the screw and the light rod. The operating lifting motor drives the screw to rotate, and then drives the operating body to move up and down along the light rod, and the working height of the operating body is adjusted according to the height of the carton.

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