Hot-melt packaging whole-line system

Abstract

The utility model relates to the technical field of packaging equipment, in particular to a hot-melt packaging whole-line system, which is characterized in that a feeding positioning unit, a vacuum thermal shrinkage packaging unit, a cutting unit and a bottom film winding and unwinding unit are coordinated and matched, a product is placed on a bottom film, the upper end of the product is covered with a thermal shrinkage film, and the product is packaged through thermal shrinkage and cutting; operation is completed through full-automatic equipment, product packaging is achieved, the packaging effect is remarkably improved, and the labor cost is reduced; in addition, the feeding positioning unit is provided with a Y-axis positioning mechanism and an X-axis positioning mechanism, so that products can be positioned in the X-axis direction and the Y-axis direction, and the subsequent product packaging precision is improved; the vacuum thermal shrinkage packaging unit comprises a negative pressure generating mechanism, negative pressure can be generated between a bottom film and a thermal shrinkage film, uniform shrinkage of the thermal shrinkage film is guaranteed, and the tightness and attractiveness of packaging are guaranteed; the bottom film winding and unwinding unit drives the bottom film to pass through the vacuum thermal shrinkage packaging unit and the cutting unit, cut waste is recycled, and the packaging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing equipment technical field especially relates to a hot melt packing whole line system. BACKGROUND

[0002] In the electronic manufacturing industry, the packaging of circuit board materials is crucial for product transportation and storage. Traditional packaging methods rely heavily on manual or semi-automated equipment, which suffer from low efficiency, poor precision, and insufficient consistency, making it difficult to meet the demands of modern electronics industry for efficient and precise packaging. Especially with the diversification of circuit board material sizes and shapes, traditional methods have become inadequate.

[0003] Vacuum heat sealing technology has gradually been applied to circuit board material packaging due to its excellent sealing properties and adaptability. However, existing equipment is mostly operated as single machines, lacking integration into a whole line, resulting in poor process connection and low production efficiency. There is still room for improvement in terms of positioning accuracy, temperature control, vacuum degree adjustment, and cutting precision. Therefore, developing a fully automated whole line system that integrates positioning, vacuum heat sealing packaging, and cutting is of great significance for improving packaging efficiency, precision, and consistency, and is an inevitable trend in the industry. SUMMARY

[0004] Therefore, the utility model discloses a hot melt packaging whole line system.

[0005] The utility model discloses the following technical scheme:

[0006] A hot melt packaging whole line system comprises:

[0007] A material feeding positioning unit, which comprises Y-axis positioning mechanism and X-axis positioning mechanism that are connected to each other, the Y-axis positioning mechanism is used for positioning products in the Y-axis direction, and the X-axis positioning mechanism is used for positioning products in the X-axis direction;

[0008] A vacuum heat shrink packaging unit, which comprises a first transmission mechanism, a transfer robot, and a film covering and heat shrinking mechanism; the first transmission mechanism comprises a waiting station and a processing station, the processing station is provided with a negative pressure generating mechanism, the transfer robot is arranged above the waiting station, and the film covering and heat shrinking mechanism is arranged on the processing station; the transfer robot is used for grabbing products from the material feeding positioning unit and transferring them to the waiting station, and the film covering and heat shrinking mechanism cooperates with the negative pressure generating mechanism to package products in the processing station by film covering and heat shrinking;

[0009] A cutting unit, the cutting unit comprises a second transmission mechanism and a cutting mechanism, the second transmission mechanism is connected with the first transmission mechanism, the cutting mechanism is arranged on the second transmission mechanism, and the cutting mechanism is used for cutting the outer package of the product; and

[0010] A bottom film winding and unwinding unit, the bottom film winding and unwinding unit comprises an unwinding mechanism and a winding mechanism, the unwinding mechanism is arranged below the vacuum heat shrink packaging unit, and the winding mechanism is arranged below the cutting unit; the bottom film winding and unwinding unit is used for driving the bottom film to pass above the first transmission mechanism and the second transmission mechanism and realizing the recycling of the bottom film.

[0011] Preferably, the Y-axis positioning mechanism comprises a roller conveying module, a first jacking module and a first clamping module; the roller conveying module comprises a plurality of conveying rollers arranged at intervals, the first jacking module comprises a first jacking frame arranged at the bottom of the conveying roller and a first roller group arranged at the upper end of the first jacking frame, the first roller group is arranged at intervals with the conveying roller, and the first clamping module comprises two groups of first movable arms arranged symmetrically; the first jacking frame is used for driving the first roller group to move upwards, lifting the product and separating the product from the roller conveying module; the first movable arms are close to each other to position the product in the Y-axis direction; the X-axis positioning mechanism comprises a belt conveying module, a second jacking module and a second clamping module; the belt conveying module comprises a plurality of conveying belts arranged at intervals, the second jacking module comprises a second jacking frame arranged at the bottom of the conveying belt and a second roller group arranged at the upper end of the second jacking frame, the second roller group is arranged at intervals with the conveying belt, and the second clamping module comprises two groups of second movable arms arranged symmetrically; the second jacking frame is used for driving the second roller group to move upwards, lifting the product and separating the product from the belt conveying module; the second movable arms are close to each other to position the product in the X-axis direction.

[0012] Preferably, the feeding positioning unit further comprises a desiccant feeding mechanism and a labeling mechanism arranged above the Y-axis positioning mechanism; the desiccant feeding mechanism comprises a desiccant guide rail, a shearing module, a clamping module and a feeding manipulator; the shearing module, the clamping module and the feeding manipulator are all arranged at the end of the desiccant guide rail; the clamping module is used for clamping the desiccant and pulling the desiccant out of the desiccant guide rail; the shearing module is used for shearing the desiccant; the feeding manipulator is used for grabbing the sheared desiccant and feeding; the labeling mechanism comprises a storage tank, a pushing module and a labeling suction module; the storage tank is used for storing labels, and the storage tank comprises a discharge end; the pushing module is arranged at one end of the storage tank away from the discharge end, and the pushing module is used for pushing the labels in the storage tank; the labeling suction module is arranged at the discharge end of the storage tank, and the labeling suction module is used for sucking the labels and placing the labels on the product.

[0013] Preferably, the transfer robot comprises a driving assembly and a grabbing assembly; the driving assembly comprises a first Y-axis driving module, a first X-axis driving module and a first Z-axis driving module connected in sequence; the grabbing assembly is connected to the driving end of the first Z-axis driving module, and the first Y-axis driving module, the first X-axis driving module and the first Z-axis driving module drive the grabbing assembly to move between the material positioning unit and the waiting station; the grabbing assembly comprises two oppositely arranged clamping arms, a horizontal driving module drivingly connected with the clamping arms, and a turnover module drivingly connected with the clamping arms; the horizontal driving module is used to drive the clamping arms to move towards or away from each other to grab or release the product, and the turnover module is used to drive the clamping arms to turn over to grab or release the product.

[0014] Preferably, the film heat shrinking mechanism comprises a movable support, lifting driving assemblies arranged on both sides of the movable support, a unwinding assembly arranged at one end of the movable support, and grabbing assemblies arranged on both sides of the movable support; the inner side of the movable support is provided with a plurality of heating pipes arranged at equal intervals; the lifting driving assemblies are drivingly connected with the movable support, and are used to drive the movable support to move up and down; the unwinding assembly comprises a unwinding roller group and a cutting module arranged on one side of the unwinding roller; the unwinding roller group is used for unwinding the heat shrink film, and the cutting module is used for cutting the heat shrink film; the grabbing assembly comprises sliding modules arranged on both sides of the movable support and clamping jaws drivingly connected with the sliding modules; the clamping jaws are arranged towards the unwinding assembly and are used to clamp the heat shrink film in the unwinding assembly; the sliding modules drive the clamping jaws to slide so as to cover the heat shrink film under the movable support.

[0015] Preferably, the negative pressure generating mechanism comprises a first vacuum generator arranged below the first conveying mechanism, and the first vacuum generator is extended with a negative pressure pipe, and the other end of the negative pressure pipe is in communication with the first conveying mechanism.

[0016] Preferably, the second conveying mechanism comprises an adsorption bottom plate, and the upper end surface of the adsorption bottom plate is provided with a plurality of adsorption holes; the adsorption bottom plate is provided with a second vacuum generator in communication therewith.

[0017] Preferably, the cutting mechanism comprises a second Y-axis driving module arranged on both sides of the second conveying mechanism, a support beam drivingly connected with the second Y-axis driving module, a second X-axis driving module fixed to the upper end of the support beam, a second Z-axis driving module drivingly connected with the second X-axis driving module, and a cutting tool fixed to the second Z-axis driving module.

[0018] Preferably, the unwinding mechanism includes an unwinding roller disposed below the first transmission mechanism, and the winding mechanism includes a winding roller disposed below the second transmission mechanism; the unwinding roller and the winding roller cooperate to drive the bottom film to pass sequentially through the unwinding roller, the first transmission mechanism, the second transmission mechanism and the winding roller.

[0019] Preferably, the vacuum heat shrink packaging unit further includes a first visual sensing module disposed above the first transmission mechanism, the first visual sensing module being electrically connected to the transfer manipulator; the cutting unit further includes a second visual sensing module disposed above the second transmission mechanism, the second visual sensing module being electrically connected to the cutting mechanism.

[0020] The beneficial effects of this utility model are as follows:

[0021] The hot-melt packaging production line system involved in this utility model, through the coordinated operation of the feeding and positioning unit, vacuum heat shrink packaging unit, cutting unit, and bottom film take-up and unloading unit, places the product on the bottom film and covers the top of the product with heat shrink film, completing the product packaging through heat shrinking and cutting; the above operations are completed by fully automated equipment to realize product packaging, significantly improving packaging effect and reducing labor costs; in addition, the feeding and positioning unit is equipped with Y-axis positioning mechanism and X-axis positioning mechanism, which can position the product in the X and Y axis directions to improve the accuracy of subsequent product packaging; the vacuum heat shrink packaging unit includes a negative pressure generating mechanism, which can create negative pressure between the bottom film and the heat shrink film to ensure uniform shrinkage of the heat shrink film and ensure the tightness and aesthetics of the packaging; the bottom film take-up and unloading unit drives the bottom film through the vacuum heat shrink packaging unit and the cutting unit, and recycles the waste material after cutting, improving packaging efficiency. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the hot melt packaging production line system of this utility model;

[0023] Figure 2 This is a schematic diagram of the hot melt packaging production line system of this utility model after the outer shell is hidden;

[0024] Figure 3 for Figure 2 Side view of the hot melt packaging production line system;

[0025] Figure 4 for Figure 2 A schematic diagram of the Y-axis positioning mechanism in the diagram;

[0026] Figure 5 for Figure 4 A schematic diagram of the Y-axis positioning mechanism from another angle;

[0027] Figure 6 for Figure 2Structure diagram of X-axis positioning mechanism in the device;

[0028] Figure 7 For Figure 2 Structure diagram of transfer robot in the device;

[0029] Figure 8 For Figure 2 Structure diagram of first transmission mechanism and film heat shrinking mechanism in the device;

[0030] Figure 9 For Figure 2 Structure diagram of cutting unit in the device.

[0031] Reference numerals in the drawing:

[0032] 10 - material feeding positioning unit;

[0033] 11 - Y-axis positioning mechanism; 111 - roller conveying module; 1111 - conveying roller; 112 - first lifting module; 1121 - first lifting frame; 1122 - first roller set; 113 - first clamping module; 1131 - first movable arm; 1132 - clamping plate; 12 - X-axis positioning mechanism; 121 - belt conveying module; 1211 - conveying belt; 122 - second lifting module; 1221 - second lifting frame; 1222 - second roller set; 123 - second clamping module; 1231 - second movable arm; 13 - desiccant feeding mechanism; 131 - desiccant guide rail; 132 - shearing module; 133 - clamping module; 134 - feeding robot; 1341 - third Y-axis driving module; 1342 - third X-axis driving module; 1343 - third Z-axis driving module; 1344 - clamping module; 14 - labeling mechanism; 141 - storage tank; 142 - material pushing module; 143 - label sucking module; 1431 - lifting seat; 1432 - telescopic cylinder; 1433 - turnover plate; 1434 - label sucking head;

[0034] 20 - vacuum heat shrinking packaging unit;

[0035] 21 - first transmission mechanism; 21a - waiting station; 21b - processing station; 22 - transfer robot; 221 - driving assembly; 222 - grabbing assembly; 223 - first Y-axis driving module; 224 - first X-axis driving module; 225 - first Z-axis driving module; 226 - clamping arm; 227 - horizontal driving module; 228 - turnover module; 23 - film heat shrinking mechanism; 231 - movable support; 2311 - heating tube; 232 - lifting driving assembly; 233 - unwinding assembly; 2331 - unwinding roller set; 2332 - cutting module; 234 - grabbing assembly; 2341 - sliding module; 2342 - clamping jaw; 24 - negative pressure generating mechanism; 241 - first vacuum generator; 242 - negative pressure pipe;

[0036] 30-cutting unit;

[0037] 31-second conveying mechanism; 31a-conveying station; 31b-cutting station; 311-suction base plate; 32-cutting mechanism; 321-second Y-axis drive module; 322-support beam; 323-second X-axis drive module; 324-second Z-axis drive module; 325-cutting tool;

[0038] 40-bottom film winding and unwinding unit; 41-unwinding roller; 42-winding roller;

[0039] 50-feeding unit; 51-feeding manipulator; 52-feeding conveying belt;

[0040] 60-casing; 61-feeding port; 62-discharging port. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0042] In the description of the present application, it should be pointed out that the orientations or positional relationships indicated by the terms "vertical direction", "upper", "lower", "horizontal" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0043] In the description of the present application, it should be pointed out that unless otherwise explicitly specified and limited, the terms "provision", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be connected through an intermediate medium, it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0044] As Figures 1 to 9The utility model discloses a hot melt packaging whole line system, including material feeding positioning unit 10, vacuum heat shrinkage packaging unit 20, cutting unit 30 and bottom film take -up unit 40, wherein material feeding positioning unit 10 is used for the feeding and positioning of product, vacuum heat shrinkage packaging unit 20 is used for covering heat shrinkage film on product, and through vacuum high temperature environment, makes heat shrinkage film contract and combines with bottom film, and product is packaged between heat shrinkage film and bottom film, cutting unit 30 is used for cutting heat shrinkage film and bottom film, and bottom film take -up unit 40 is used for taking -up bottom film.

[0045] Please refer to Figures 2 to 6 , material feeding positioning unit 10 includes Y axis positioning mechanism 11 and X axis positioning mechanism 12 that communicate with each other, can carry out the feeding of product, and positioning of product in Y axis direction and X axis direction, guarantees subsequent packaging accuracy.

[0046] Specifically, Y axis positioning mechanism 11 includes roller conveying module 111, first jacking module 112 and first clamping module 113. Roller conveying module 111 includes a plurality of interval arrangement conveying roller 1111, and a plurality of conveying roller 1111 is driven synchronous rotation through transmission belt and motor, to drive product along the feeding of X axis direction. First jacking module 112 includes the first jacking frame 1121 arranged at the bottom of conveying roller 1111 and the first roller group 1122 arranged at the upper end of first jacking frame 1121, and the first jacking frame 1121 is provided with a cylinder, and the first roller group 1122 is arranged at intervals with conveying roller 1111. First clamping module 113 includes two groups of first movable arms 1131 symmetrically arranged, and the two groups of first movable arms 1131 are connected with transmission belt and motor. Specifically, the opposite inner side of first movable arm 1131 is provided with clamping plate 1132, and a baffle is arranged at the end of the conveying path of roller conveying module 111, and the lower end of the baffle is provided with a cylinder. When working, the product is placed on roller conveying module 111, and when moving a certain distance, the cylinder drives the first jacking frame 1121 and the first roller group 1122 to move upwards, and then the product is lifted and separated from the conveying roller 1111. Then the transmission belt and motor drive the two groups of first movable arms 1131 to approach each other to clamp the product, during which the product moves on the first roller group 1122, realizes the positioning of the product in Y axis direction, and after positioning, the first jacking frame 1121 descends, and the product falls into the conveying roller 1111, and continues to feed. It should be noted that when positioning, the baffle is raised to block the product, and after positioning, the baffle is lowered, and the product enters into X axis positioning mechanism 12.

[0047] Specifically, the X-axis positioning mechanism 12 comprises a belt conveying module 121, a second jacking module 122 and a second clamping module 123; the belt conveying module 121 comprises a plurality of conveying belts 1211 arranged at intervals, the second jacking module 122 comprises a second jacking frame 1221 arranged at the bottom of the conveying belts 1211 and a second roller set 1222 arranged at the upper end of the second jacking frame 1221, the second roller set 1222 is arranged at intervals with the conveying belts 1211, and the second clamping module 123 comprises two groups of second movable arms 1231 arranged symmetrically, and in this embodiment, the second movable arms 1231 are connected with linear modules. In operation, the product positioned in the Y-axis direction enters the conveying belts 1211, then the second jacking frame 1221 and the second roller set 1222 move upward at the same time, the product is lifted and separated from the belt conveying module 121; the linear modules drive the second movable arms 1231 to move towards each other to clamp the product, during which the product moves on the second roller set 1222 to be positioned in the X-axis direction; after positioning, the second jacking frame 1221 is lowered, and the product falls onto the conveying belts 1211 and continues to feed.

[0048] The first jacking module 112 and the second jacking module 122 are arranged in the Y-axis positioning mechanism 11 and the X-axis positioning mechanism 12 respectively to lift and position the product, integrate the positioning function and the feeding function, improve the work efficiency, and at the same time, the structure is compact and the occupied area is reduced.

[0049] As shown in Figure 4 and Figure 5 , the feeding positioning unit 10 further comprises a desiccant feeding mechanism 13 arranged above the Y-axis positioning mechanism 11 for feeding desiccant. The desiccant feeding mechanism 13 is aimed at a strip structure connected by a plurality of desiccant bags, and comprises a desiccant guide rail 131, a shearing module 132, a clamping module 133 and a feeding manipulator 134. The shearing module 132, the clamping module 133 and the feeding manipulator 134 are all arranged at the end of the desiccant guide rail 131. The shearing module 132 adopts a pneumatic scissors, and the clamping module 133 adopts a pneumatic clamping jaw 2342. The feeding manipulator 134 comprises a third Y-axis driving module 1341, a third X-axis driving module 1342, a third Z-axis driving module 1343 and a clamping module 1344, and the third Y-axis driving module 1341, the third X-axis driving module 1342 and the third Z-axis driving module 1343 drive the clamping module 1344 to move.

[0050] When working, the strip-shaped desiccant is placed in the guide track, the clamping module 133 clamps one end of the desiccant and pulls the desiccant out of the desiccant guide track 131, when the desiccant is pulled out by a preset distance, the shearing module 132 shears to separate the desiccant. At the same time, the clamping module 1344 of the feeding manipulator 134 clamps the desiccant after shearing, and moves to a preset feeding position through the third Y-axis driving module 1341, the third X-axis driving module 1342 and the third Z-axis driving module 1343, and finally the clamping module 133 is loosened to feed the desiccant. The shearing and feeding of the desiccant are completed automatically, the personnel cost is reduced, and the feeding precision is improved.

[0051] As shown in Figure 4 and Figure 5 , the feeding positioning unit 10 further includes a labeling mechanism 14 arranged above the Y-axis positioning mechanism 11 for product labeling. The labeling mechanism 14 includes a storage tank 141, a pushing module 142 and a labeling suction module 143. The storage tank 141 is used to store labels, and includes a discharge end. The pushing module 142 is arranged at one end of the storage tank 141 away from the discharge end, and is used to push the labels in the storage tank 141. The labeling suction module 143 is arranged at the discharge end of the storage tank 141, and includes a lifting seat 1431, a telescopic cylinder 1432 arranged on the lifting seat 1431, a turnover plate 1433 connected with the telescopic cylinder 1432, and a labeling suction head 1434 fixed on the turnover plate 1433. The telescopic cylinder 1432 and the turnover plate 1433 are further provided with a connecting rod. Under the action of the connecting rod, the vertical extension and retraction of the telescopic cylinder 1432 can drive the turnover plate 1433 to turn over. When working, the telescopic cylinder 1432 drives the turnover plate 1433 to turn over, so that the labeling suction head 1434 faces the discharge end of the storage tank 141 to adsorb the label. Then the lifting seat 1431 descends to approach the product, the telescopic cylinder 1432 drives the turnover plate 1433 to turn over, so that the label faces the product, and finally the labeling suction head 1434 releases the label to complete the labeling.

[0052] Please refer to Figure 7 and Figure 8The vacuum heat-shrinking packaging unit 20 comprises a first conveying mechanism 21, a transfer manipulator 22 and a film heat-shrinking mechanism 23. The first conveying mechanism 21 is a conveying belt and comprises a waiting station 21a and a processing station 21b. The processing station 21b is provided with a negative pressure generating mechanism 24. The transfer manipulator 22 is arranged above the waiting station 21a. The film heat-shrinking mechanism 23 is arranged on the processing station 21b. It should be noted that, in actual application, the first conveying mechanism 21 is covered with a bottom film. In operation, the transfer manipulator 22 is used to pick up the product from the feeding and positioning unit 10 and transfer it to the waiting station 21a. The first conveying mechanism 21 drives the product to enter the processing station 21b from the waiting station 21a. Then, the film heat-shrinking mechanism 23 covers the product with a heat-shrinking film. The negative pressure generating mechanism 24 generates negative pressure between the heat-shrinking film and the bottom film. The film heat-shrinking mechanism 23 generates high temperature, so that the heat-shrinking film shrinks and is fused to the bottom film to complete the packaging of the product.

[0053] Specifically, the transfer manipulator 22 comprises a driving assembly 221 and a grabbing assembly 222. The driving assembly 221 comprises a first Y-axis driving module 223, a first X-axis driving module 224 and a first Z-axis driving module 225 connected in sequence. The grabbing assembly 222 is connected to the driving end of the first Z-axis driving module 225. The first Y-axis driving module 223, the first X-axis driving module 224 and the first Z-axis driving module 225 drive the grabbing assembly 222 to move between the feeding and positioning unit 10 and the waiting station 21a. Further, the grabbing assembly 222 comprises two oppositely arranged clamping arms 226, a horizontal driving module 227 drivingly connected with the clamping arms 226, and a turnover module 228 drivingly connected with the clamping arms 226. The horizontal driving module 227 drives the clamping arms 226 to move away from or close to each other by means of a transmission belt and a motor to grab or release the product. The turnover module 228 adopts a telescopic cylinder 1432. The telescopic end of the telescopic cylinder 1432 is hinged to the clamping arms 226 to drive the clamping arms 226 to turn over to grab or release the product.

[0054] Meanwhile, a first visual sensing module is arranged above the first conveying mechanism 21. In this embodiment, the first visual sensing module adopts a visual sensor. The first visual sensing module is electrically connected with the transfer manipulator 22 to ensure that the transfer manipulator 22 transfers the product to be packaged to a preset position, thereby ensuring the packaging accuracy.

[0055] Specifically, the film heat shrinking mechanism 23 comprises a movable support 231, lifting driving assemblies 232 arranged on both sides of the movable support 231, a unwinding assembly 233 arranged at one end of the movable support 231, and gripping assemblies 234 arranged on both sides of the movable support 231. The inner side of the movable support 231 is provided with a plurality of heating pipes 2311 arranged at equal intervals; the lifting driving assemblies 232 are drivingly connected with the movable support 231, and are used to drive the movable support 231 to move up and down. The unwinding assembly 233 comprises a unwinding roller set 2331 and a cutting die set 2332 arranged on one side of the unwinding roller set 2331, the unwinding roller set 2331 is used for unwinding the heat shrink film, and the cutting die set 2332 is used for cutting the heat shrink film. The gripping assembly 234 comprises a sliding die set 2341 arranged on both sides of the movable support 231 and a clamping jaw 2342 drivingly connected with the sliding die set 2341; the clamping jaw 2342 is arranged towards the unwinding assembly 233 and is used to clamp the heat shrink film in the unwinding assembly 233; the sliding die set 2341 drives the clamping jaw 2342 to slide so as to cover the heat shrink film below the movable support 231. When working, the clamping jaw 2342 clamps one end of the heat shrink film, the sliding die set 2341 drives the clamping jaw 2342 to move away from the unwinding assembly 233, thereby pulling out the heat shrink film and placing it at the bottom of the movable support 231; then the lifting driving assemblies 232 drive the movable support 231 to move downward, so as to cover the heat shrink film on the top of the product; the negative pressure generating mechanism 24 creates negative pressure between the heat shrink film and the bottom film, so that the heat shrink film is attached to the bottom film, at the same time, the heating pipes 2311 generate high temperature, the heat shrink film shrinks and is adhered to the bottom film, thereby completing the packaging of the product.

[0056] Specifically, the negative pressure generating mechanism 24 comprises a first vacuum generator 241 arranged below the first conveying mechanism 21, the first vacuum generator 241 extends and is provided with a negative pressure pipe 242, the other end of the negative pressure pipe 242 communicates with the first conveying mechanism 21. It should be noted that the width of the bottom film is smaller than the width of the heat shrink film, when the heat shrink film is covered on the bottom film, there is a gap between the heat shrink film and the bottom film, the first vacuum generator 241 is started, which can extract the air between the heat shrink film and the bottom film, thereby creating negative pressure, so that the heat shrink film is attached to the bottom film.

[0057] Please refer to Figure 9 , the cutting unit 30 comprises a second conveying mechanism 31 and a cutting mechanism 32, the second conveying mechanism 31 is connected with the first conveying mechanism 21, and the cutting mechanism 32 is arranged on the second conveying mechanism 31 and is used to cut the outer packaging of the product.

[0058] Specifically, the second conveying mechanism 31 comprises a conveying station 31a and a cutting station 31b, the conveying station 31a is a conveying belt, the cutting station 31b is provided with a suction base plate 311, the upper end surface of the suction base plate 311 is provided with a plurality of suction holes, and the suction base plate 311 is provided with a second vacuum generator (not shown in the figure) in communication therewith. When the cutting mechanism 32 cuts, the second vacuum generator generates negative pressure, and the suction base plate 311 can suck the bottom film to avoid deviation during cutting and ensure cutting accuracy.

[0059] Specifically, the cutting mechanism 32 comprises a second Y-axis drive module 321 arranged on both sides of the second conveying mechanism 31, a support beam 322 drivingly connected to the second Y-axis drive module 321, a second X-axis drive module 323 fixed to the upper end of the support beam 322, a second Z-axis drive module 324 drivingly connected to the second X-axis drive module 323, and a cutting tool 325 fixed to the second Z-axis drive module 324. In practical application, a plurality of products are packaged on the bottom film; the second X-axis drive module 323, the second Y-axis drive module 321 and the second Z-axis drive module 324 drive the cutting tool to move and cut around the products, thereby separating the packaged products from the bottom film.

[0060] Meanwhile, a second visual sensing module is arranged above the second conveying mechanism 31, and in this embodiment, the second visual sensing module adopts a visual sensor, and the second visual sensing module is electrically connected with the cutting mechanism 32 to ensure the cutting accuracy of the cutting mechanism 32.

[0061] Please refer to Figure 2 and Figure 3 The bottom film winding and unwinding unit 40 comprises an unwinding mechanism and a winding mechanism, the unwinding mechanism comprises an unwinding roller 41 arranged below the first conveying mechanism 21, and the winding mechanism comprises a winding roller 42 arranged below the second conveying mechanism 31, and the unwinding roller 41 and the winding roller 42 cooperate to realize the winding and unwinding of the bottom film. In actual use, one end of the bottom film is wound on the unwinding roller 41, the other end of the bottom film passes through the first conveying mechanism 21 and the second conveying mechanism 31 and is wound on the winding roller 42, and the winding roller 42 and the unwinding roller 41 cooperate to drive the bottom film to move along the Y-axis direction, so that the bottom film passes through the first conveying mechanism 21 and the second conveying mechanism 31 in turn, and finally the waste after cutting is wound on the winding roller 42 for recycling.

[0062] Please refer to Figure 2 and Figure 3 The hot melt packaging whole line system of the utility model further comprises a discharging unit 50, the discharging unit 50 comprises a discharging manipulator 51 and a discharging conveying belt 52, the discharging manipulator 51 moves the finished product cut in the cutting unit 30 to the discharging conveying belt 52, and the discharging conveying belt 52 discharges the finished product.

[0063] Please refer to Figure 1 The hot melt packaging whole line system of the utility model further is provided with a casing 60 for protecting internal mechanical structure, both ends of the casing 60 are provided with a feeding port 61 and a discharging port 62 respectively, the feeding port 61 is provided at one side of the feeding positioning unit 10, and the discharging port 62 is provided at one side of the discharging unit 50.

[0064] The working steps of the hot melt packaging whole line system are as follows:

[0065] S1, the feeding positioning unit 10 feeds and positions the product to be packaged;

[0066] S2, the transfer robot 22 transfers the product positioned from the feeding positioning unit to the first transmission mechanism 21, and the first transmission mechanism 21 moves the product to the lower side of the film covering and heat shrinking mechanism 23;

[0067] S3, the film covering and heat shrinking mechanism 23 covers the heat shrinkable film on the upper end of the product, and simultaneously uses vacuum and high temperature to make the heat shrinkable film and the bottom film adhere, and then packages the product between the heat shrinkable film and the bottom film;

[0068] S4, the cutting unit 30 cuts and separates a plurality of finished products packaged.

[0069] Compared with the prior art, the hot melt packaging whole line system of the utility model cooperates the feeding positioning unit 10, the vacuum heat shrinkable packaging unit 20, the cutting unit 30 and the bottom film winding and unwinding unit 40, places the product on the bottom film, covers the heat shrinkable film on the upper end of the product, and completes the packaging of the product through heat shrinkage and cutting; the above operations are completed through full-automatic equipment and the product packaging is realized, the packaging effect is significantly improved, and the labor cost is reduced; in addition, the feeding positioning unit 10 is provided with the Y-axis positioning mechanism 11 and the X-axis positioning mechanism 12, can position the product in the X-axis and Y-axis directions, and improves the precision of subsequent product packaging; the vacuum heat shrinkable packaging unit 20 includes the negative pressure generating mechanism 24, can generate negative pressure between the bottom film and the heat shrinkable film, ensures the uniform shrinkage of the heat shrinkable film, and ensures the tightness and beauty of the packaging; the bottom film winding and unwinding unit 40 drives the bottom film to pass through the vacuum heat shrinkable packaging unit 20 and the cutting unit 30, and recycles the cut waste, and improves the packaging efficiency.

[0070] The above only expresses the preferred technical scheme of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, and the utility model also intends to include these changes and modifications.

Claims

1. A hot melt packaging strapping system characterized by, The application relates to a vacuum heat-shrink packaging device. The device comprises an inlet positioning unit, a vacuum heat-shrink packaging unit, a cutting unit and a bottom film winding and unwinding unit. The inlet positioning unit comprises a Y-axis positioning mechanism and an X-axis positioning mechanism. The vacuum heat-shrink packaging unit comprises a first conveying mechanism, a transfer robot and a film heat-shrink mechanism. The first conveying mechanism comprises a standby station and a processing station. The processing station is provided with a negative pressure generating mechanism.

2. The hot melt packaging strapping system of claim 1, wherein, The transfer robot is arranged above the standby station. The film heat-shrink mechanism is arranged on the processing station.

3. The hot melt packaging strapping system of claim 1, wherein, The transfer robot is used for grabbing products from the inlet positioning unit and transferring the products to the standby station. The film heat-shrink mechanism is used for film heat-shrink packaging of the products in the processing station in cooperation with the negative pressure generating mechanism. The cutting unit comprises a second conveying mechanism and a cutting mechanism. The second conveying mechanism is connected with the first conveying mechanism. The cutting mechanism is arranged on the second conveying mechanism. The cutting mechanism is used for cutting the outer packaging of the products. The bottom film winding and unwinding unit comprises an unwinding mechanism and a winding mechanism. The unwinding mechanism is arranged below the vacuum heat-shrink packaging unit. The winding mechanism is arranged below the cutting unit. The bottom film winding and unwinding unit is used for driving the bottom film to pass above the first conveying mechanism and the second conveying mechanism and realizing the recycling of the bottom film. The Y-axis positioning mechanism comprises a roller conveying module, a first lifting module and a first clamping module. The roller conveying module comprises a plurality of interval arranged conveying rollers. The first lifting module comprises a first lifting frame arranged at the bottom of the conveying roller and a first roller group arranged at the upper end of the first lifting frame. The first roller group is arranged at intervals with the conveying roller. The first clamping module comprises two groups of symmetrically arranged first movable arms. The first lifting frame is used for driving the first roller group to move upwards, lifting the products and separating the products from the roller conveying module. The first movable arms are close to each other to position the products in the Y-axis direction. The X-axis positioning mechanism comprises a belt conveying module, a second lifting module and a second clamping module. The belt conveying module comprises a plurality of interval arranged conveying belts. The second lifting module comprises a second lifting frame arranged at the bottom of the conveying belt and a second roller group arranged at the upper end of the second lifting frame. The second roller group is arranged at intervals with the conveying belt. The second clamping module comprises two groups of symmetrically arranged second movable arms. The second lifting frame is used for driving the second roller group to move upwards, lifting the products and separating the products from the belt conveying module. The second movable arms are close to each other to position the products in the X-axis direction. The inlet positioning unit further comprises a desiccant feeding mechanism and a labeling mechanism arranged above the Y-axis positioning mechanism. The desiccant feeding mechanism comprises a desiccant guide rail, a shearing module, a clamping module and a feeding manipulator; the shearing module, the clamping module and the feeding manipulator are all arranged at the end of the desiccant guide rail; the clamping module is used for clamping the desiccant and pulling the desiccant out of the desiccant guide rail; the shearing module is used for shearing the desiccant; and the feeding manipulator is used for grabbing the sheared desiccant and feeding it. The labeling mechanism comprises a storage tank, a pushing module and a label suction module; the storage tank is used for storing labels, and comprises a discharging end; the pushing module is arranged at one end of the storage tank away from the discharging end, and is used for pushing the labels in the storage tank; and the label suction module is arranged at the discharging end of the storage tank, and is used for sucking the labels and placing them on the products.

4. The hot melt packaging strapping system of claim 1, wherein, The transfer manipulator comprises a driving assembly and a grabbing assembly; The driving assembly comprises a first Y-axis driving module, a first X-axis driving module and a first Z-axis driving module connected in sequence; The grabbing assembly is connected to the driving end of the first Z-axis driving module, and the first Y-axis driving module, the first X-axis driving module and the first Z-axis driving module drive the grabbing assembly to move between the feeding positioning unit and the waiting station; The grabbing assembly comprises two oppositely arranged clamping arms, a horizontal driving module drivingly connected with the clamping arms and a turnover module drivingly connected with the clamping arms; the horizontal driving module is used for driving the clamping arms to move towards or away from each other to grab or release the products, and the turnover module is used for driving the clamping arms to turn over to grab or release the products.

5. The hot melt packaging strapping system of claim 1, wherein, The film covering and heat shrinking mechanism comprises a movable support, lifting driving assemblies arranged at both sides of the movable support, a unwinding assembly arranged at one end of the movable support and grabbing assemblies arranged at both sides of the movable support; The inner side of the movable support is provided with a plurality of equidistantly arranged heating pipes; the lifting driving assemblies are drivingly connected with the movable support, and are used for driving the movable support to move up and down; The unwinding assembly comprises an unwinding roller group and a cutting module arranged at one side of the unwinding roller; the unwinding roller group is used for unwinding the heat shrinkable film, and the cutting module is used for cutting the heat shrinkable film; The grabbing assembly comprises sliding modules arranged at both sides of the movable support and clamping jaws drivingly connected with the sliding modules; the clamping jaws are arranged towards the unwinding assembly and are used for clamping the heat shrinkable film in the unwinding assembly; The sliding modules drive the clamping jaws to slide so as to cover the heat shrinkable film under the movable support.

6. The hot melt packaging strapping system of claim 5, wherein, The negative pressure generating mechanism comprises a first vacuum generator arranged below the first conveying mechanism; the first vacuum generator is extended with a negative pressure pipe, and the other end of the negative pressure pipe is in communication with the first conveying mechanism.

7. The hot melt packaging strapping system of claim 1, wherein, The second conveying mechanism comprises an adsorption bottom plate, the upper end surface of the adsorption bottom plate is provided with a plurality of adsorption holes, and the adsorption bottom plate is provided with a second vacuum generator in communication therewith.

8. The hot melt packaging strapping system of claim 1, wherein, The cutting mechanism comprises a second Y-axis drive module arranged on both sides of the second conveying mechanism, a support beam drivingly connected to the second Y-axis drive module, a second X-axis drive module fixed to the upper end of the support beam, a second Z-axis drive module drivingly connected to the second X-axis drive module, and a cutting tool fixed to the second Z-axis drive module.

9. The hot melt packaging strapping system of claim 1, wherein, The unwinding mechanism comprises an unwinding roller arranged below the first conveying mechanism, and the winding mechanism comprises a winding roller arranged below the second conveying mechanism; the unwinding roller and the winding roller cooperate to drive the bottom film to pass through the unwinding roller, the first conveying mechanism, the second conveying mechanism and the winding roller in sequence.

10. The hot melt packaging strapping system of claim 1, wherein, The vacuum heat shrink packaging unit further comprises a first visual sensing module arranged above the first conveying mechanism, the first visual sensing module being electrically connected to the transfer robot; the cutting unit further comprises a second visual sensing module arranged above the second conveying mechanism, the second visual sensing module being electrically connected to the cutting mechanism.

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