Baking apparatus and printing system

Abstract

The application discloses a baking equipment and a printing system. The baking equipment is used for baking a film material. The baking equipment comprises a baking assembly and a conveying assembly. The baking assembly comprises a box body and at least one heating element. The heating element is arranged in the box body. Heat generated by the heating element can be conducted to opposite sides of the box body in a width direction. The conveying assembly is used for conveying the film material. The conveying assembly at least surrounds the opposite sides of the box body, so that the film material can pass through the opposite sides of the box body in sequence. The baking equipment prolongs a track of the film material passing through the baking assembly. In the case of obtaining the same baking effect, the volume of the baking assembly can be reduced, and the compactness and the baking efficiency of the whole machine are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of digital printing, in particular to a baking equipment and a printing system. BACKGROUND

[0002] DTF (Direct to Film) digital printing technology is a technology of directly printing images or designs on special film materials, and then transferring the designs or images to various textiles or other materials through heat transfer printing.

[0003] The DTF digital printing process includes printing, attaching hot melt glue, baking, and heat press printing. At present, the film material after printing the pattern generally only transmits in the direction parallel to one surface of the baking assembly after entering the baking equipment. The track of the baking assembly is short, so as to ensure that the film material can be fully dried, generally a baking assembly with a large volume is needed, so that the baking equipment needs a large floor area, or the film material needs to pass through the baking assembly at a slow speed, resulting in low baking efficiency. CONTENT OF THE UTILITY MODEL

[0004] In view of the above shortcomings of the prior art, the purpose of the present application is to provide a baking equipment and a printing system, which aims to improve the baking efficiency and compactness of the baking equipment.

[0005] In order to achieve the above purpose, the present application adopts the following technical solutions:

[0006] The present application discloses a baking equipment for baking film materials, which comprises a baking assembly and a conveying assembly. The baking assembly comprises a box body and at least one heating element. The heating element is arranged in the box body, and the heat generated by the heating element can be conducted to the opposite sides of the box body in the width direction. The conveying assembly is used to convey the film material and at least surrounds the opposite sides of the box body, so that the film material can pass through the opposite sides of the box body in turn.

[0007] In some embodiments of the present application, the baking assembly further comprises an exhaust component which communicates with the box body and is used to drive the flow of waste gas and / or smoke in the box body to exhaust the waste gas and / or smoke.

[0008] In some embodiments of the present application, the air exhaust component comprises a first fan, a first air exhaust pipe and a second air exhaust pipe; the first fan is arranged outside the box, the first air exhaust pipe is arranged through the box, and one end of the first air exhaust pipe is communicated with the first fan; the second air exhaust pipe is arranged through the box, one end of the second air exhaust pipe is communicated with the box, and the other end of the second air exhaust pipe is communicated with the outside of the box; the other end of the first air exhaust pipe is inserted into one end of the second air exhaust pipe, the inner diameter of the first air exhaust pipe is smaller than the inner diameter of the second air exhaust pipe, so that there is a flow passage between the outer surface of the first air exhaust pipe and the inner pipeline of the second air exhaust pipe.

[0009] In some embodiments of the present application, the first air exhaust pipe and the second air exhaust pipe are coaxially arranged.

[0010] In some embodiments of the present application, the air exhaust component further comprises a second fan, and the second fan is arranged at the bottom of the box and used for supplying air into the box.

[0011] In some embodiments of the present application, a plurality of heat generating members are arranged; the plurality of heat generating members are distributed along the height direction of the box; or the plurality of heat generating members comprise at least two first heat generating members and at least two second heat generating members; the first heat generating members are fixed in the box and extend along the length direction of the box, at least one of the first heat generating members is close to the upper part of the box, and at least one of the first heat generating members is close to the lower part of the box; the second heat generating members are arranged between the two first heat generating members along the height direction of the box and extend along the height direction of the box, at least one of the second heat generating members is close to one side of the box in the length direction, and at least one of the second heat generating members is close to the other side of the box in the length direction.

[0012] In some embodiments of the present application, the baking device further comprises an isolation box arranged in the box and covering the heat generating members, and the isolation box has a grid; and / or, the baking assembly further comprises a heat insulation layer and a heat preservation material layer, the heat insulation layer and the heat preservation material layer are arranged outside the box, and the heat preservation material layer is arranged outside the heat insulation layer; and / or, the baking assembly further comprises a mirror layer arranged on the box, and the mirror layer covers the inner wall of the box.

[0013] In some embodiments of the present application, the conveying assembly comprises at least two conveying belts, one of the conveying belts is arranged on one side of the box in the length direction, and one of the conveying belts is arranged on the other side of the box in the length direction.

[0014] In some embodiments of the present application, the conveying assembly comprises a driving subassembly, a first conveying subassembly and a second conveying subassembly, the driving subassembly comprises a driving member and a conveying member, the driving member is connected with the conveying member, the first conveying subassembly and the second conveying subassembly are respectively connected with the conveying member in a conveying manner, so that the conveying member synchronously drives the first conveying subassembly and the second conveying subassembly to move, the first conveying subassembly and the second conveying subassembly are at least partially arranged close to each other, so that the film material can be transferred from the first conveying subassembly to the second conveying subassembly, and the second conveying subassembly at least surrounds the opposite two sides of the box.

[0015] In another aspect, the present application also provides a printing system, which comprises a printer and the baking equipment as described above; the printer is used for printing a pattern on a film material; and the baking equipment is used for receiving the film material output by the printer and baking the film material.

[0016] Advantages:

[0017] The baking equipment provided by the present application comprises a baking assembly and a conveying assembly, the baking assembly comprises a box and at least one heating member, the heat generated by the heating member can be conducted to the opposite two sides of the box in the width direction, and the conveying assembly at least surrounds the opposite two sides of the box, that is, the film material conveyed by the conveying assembly can pass through at least two heating surfaces of the box, thereby prolonging the trajectory of the film material passing through the baking assembly and improving the baking efficiency of the film material. In the same baking efficiency, the volume of the baking assembly does not need to be increased, the compactness of the product is improved, the volume of the equipment is reduced, and the occupied space of the equipment is reduced.

[0018] The printing system provided by the present application comprises the baking equipment as described above, the structure of the equipment is compact, and the baking efficiency of the film material is high. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure schematic view of the printing system provided by an embodiment of the present application is shown.

[0020] Figure 2 The structure schematic view of the baking equipment provided by an embodiment of the present application is shown.

[0021] Figure 3 The structure schematic view of the baking equipment provided by an embodiment of the present application is shown. Figure 2 The sectional view along the A-A direction is shown.

[0022] Figure 4 The internal structure schematic view of the baking equipment provided by an embodiment of the present application is shown.

[0023] Figure 5 The internal structure schematic view of the baking equipment provided by an embodiment of the present application is shown.

[0024] Figure 6 A structure diagram of a powder scattering assembly and a buffer assembly according to an embodiment of the present application.

[0025] Figure 7 A structure diagram of a buffer assembly according to an embodiment of the present application.

[0026] Figure 8 A structure diagram of a conveying assembly according to an embodiment of the present application from a first perspective.

[0027] Figure 9 A structure diagram of a conveying assembly according to an embodiment of the present application from a second perspective.

[0028] Figure 10 A structure diagram of a conveying assembly according to an embodiment of the present application. Figure 9 A zoomed-in view of region C in FIG. 7.

[0029] Figure 11 A zoomed-in view of region B in FIG. 7. Figure 3

[0030] A structure diagram of a powder scattering mechanism according to an embodiment of the present application. Figure 12

[0031] A structure diagram of a powder scattering roller according to an embodiment of the present application. Figure 13

[0032] A structure diagram of a powder scattering assembly according to an embodiment of the present application from a first perspective. Figure 14

[0033] A structure diagram of a baking apparatus according to an embodiment of the present application from a second perspective. Figure 15

[0034] A structure diagram of a powder scattering assembly according to an embodiment of the present application. Figure 16

[0035] A structure diagram of a powder scattering assembly according to an embodiment of the present application from a second perspective. Figure 17

[0036] A structure diagram of a powder scattering assembly according to an embodiment of the present application. Figure 18 Figure 17 A cross-sectional view along the direction of E-E.

[0037] Figure 19 A structure diagram of a baking assembly according to an embodiment of the present application.

[0038] Figure 20 A cross-sectional view along the direction of D-D. Figure 19

[0039] Figure 21 ​​An internal structure schematic view of the baking equipment from a third perspective according to an embodiment of the present application.

[0040] Main element symbol explanation: 01-toasting device; 02-printer; 1-housing; 11-feeding port; 12-powder adding port; 13-frame; 14-side plate; 15-mounting space; 16-first receiving cavity; 17-second receiving cavity; 2-buffer assembly; 21-oscillating piece; 211-feeding surface; 2112-first conveying sub-surface; 2111-second conveying sub-surface; 213-powder leakage hole; 214-avoidance groove; 22-second motor; 23-second sensor; 24-bracket; 241-mounting plate; 25-limiting piece; 26-third sensor; 27-first sensor; 3-powder scattering assembly; 31-powder scattering mechanism; 311-powder scattering bin; 3111-stiffening rib; 313-powder scattering roller; 3131-powder groove; 314-third motor; 315-powder scraping piece; 32-powder storage mechanism; 321-powder storage bin; 321a-powder recycling part; 321a1-powder recycling cavity; 321b-powder storage part; 321b1-powder storage cavity; 3211-powder guide groove; 3212-first limiting protrusion; 3213-second limiting protrusion; 3214-first via hole; 32141-first gap; 3215-powder recycling port; 3216-sleeve; 322-powder adding bin; 3222-third limiting protrusion; 323-fourth sensor; 324-rebound piece; 325-grating; 33-powder circulation mechanism; 331-powder circulation synchronous belt; 3311-convex body; 332-fourth motor; 333-tensioning mechanism; 3331-tensioning piece; 3332-tensioning screw; 334-powder discharging piece; 335-transmission structure; 3351-driving wheel; 3352-driven wheel; 34-powder patting mechanism; 341-fifth motor; 342-rotation shaft; 343-patting piece; 3431-clamping body; 3432-flexible piece; 4-conveying assembly; 41-first conveying sub-assembly; 411-first conveying module; 412-first transmission piece; 413-first limiting piece; 4131-third guide part; 42-second conveying sub-assembly; 421-second conveying module; 422-second transmission piece; 423-second limiting piece; 43-driving sub-assembly; 431-driving piece; 432-transmission part; 4321-first gear; 4322-second gear; 4323-third gear; 45-guide part; 451-first guide part; 452-second guide part; 46-first matching part; 47-coding disc; 48-sixth sensor; 5-toasting assembly; 51-box body; 511-air supply port; 512-thermal insulation layer; 513-thermal insulation material layer; 514-mirror surface layer; 52-heating piece; 521-first heating piece; 522-second heating piece; 53-exhaust part; 531-first fan; 532-first exhaust pipe; 533-second exhaust pipe; 54-second fan; 55-isolation box; 6-powder adding cover; 7-receiving assembly; 71-receiving bin; 711-receiving cavity; 712-receiving port; 72-guide piece; 9-controller; 100-film material; a-length direction;b-height direction; c-width direction. DETAILED DESCRIPTION

[0041] The present application provides a baking apparatus and a printing system. In order to make the purpose, technical solutions and effects of the present application more clear and explicit, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0042] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of 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, and a particular orientation configuration and operation, therefore, it cannot be understood as a limitation on the present application. In addition, "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0043] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship 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] Figure 1 The structure diagram of the printing system provided by the present application is shown.

[0045] Please refer to Figure 1The present application provides a DTF printing system, which comprises a printer 02 and a baking device 01. The printer 02 comprises a print head suitable for DTF printing. For example, the print head can be an inkjet print head, and the printer 02 can be an inkjet printer. The printer 02 is used to print a pattern on a film material 100. The baking device 02 can be arranged on the side of the discharge port of the printer 02, and can quickly receive the film material 100 printed by the printer 02. The baking device 02 is used to dry the pattern on the film material 100 printed by the printer 02, and to spread hot melt powder on the film material 100, and to melt the hot melt powder on the film material 100 by baking, so that the pattern on the film material 100 can be transferred to other objects (such as clothes, hats, etc.). The printing system can be a DTF printing system, which is not limited herein.

[0046] Generally, the film material 100 can be a PET film. The thickness of the film material 100 can be 0.75 mm. The film material 100 with the material and thickness has good transferability, and can improve the clarity of the pattern transferred to the product. Single sheet paper can be selected for small-scale DTF use, and PET film roll can be selected for large-scale DTF use.

[0047] Figure 2 The present application provides a baking device structure diagram from the first perspective.

[0048] As shown in Figure 1 and Figure 2 , the baking device 01 comprises a housing 1. The housing 1 is formed with an inlet 11 suitable for the film material 100 to pass through. The film material 100 printed with a pattern can enter the baking device 01 through the inlet 11 to perform powder spreading and baking operations.

[0049] Figure 3 For Figure 2 the cross-sectional view along the A-A direction.

[0050] As shown in Figure 3 , in some embodiments, the housing 1 can comprise a rack 13 and a side plate 14 fixed to the rack 13. The rack 13 forms a frame structure for forming a support structure of the baking device 01. The side plate 14 is arranged outside the rack 13, and the inlet 11 can be formed on the side plate 14 on the side of the housing 1 facing the printer 02.

[0051] As shown in Figure 2 and Figure 3As shown, the housing 1 is formed with a receiving cavity, and the baking device 01 further comprises a conveying assembly 4 and a baking assembly 5. The conveying assembly 4 and the baking assembly 5 are respectively installed in the receiving cavity to improve the integrity of the baking device 01. The conveying assembly 4 is used for conveying the film material 100, and the baking assembly 5 is arranged in the conveying path of the film material 100 and is used for baking the film material 100 to melt the hot melt adhesive powder on the film material 100.

[0052] The baking device 01 further comprises a buffering assembly 2 and a powder scattering assembly 3 arranged in the receiving cavity.

[0053] The buffering assembly 2 is arranged between the feeding port 11 and the conveying assembly 4 and is used for guiding the film material 100 entering from the feeding port 11 to the conveying assembly 4. The conveying speed of the film material 100 can be buffered in the buffering assembly 2, so as to isolate the tension between the conveying and feeding of the film material 100, so that they do not affect each other, and the conveying effect of the film material 100 is improved.

[0054] The powder scattering assembly 3 is arranged between the feeding port 11 and the conveying assembly 4, and the buffering assembly 2 is arranged in the powder scattering assembly 3. The powder scattering assembly 3 is used for accommodating the hot melt adhesive powder and for scattering the hot melt adhesive powder to the film material 100. When the film material 100 is buffered in the buffering assembly 2, the powder scattering assembly 3 can scatter the hot melt adhesive powder to the film material 100 in the upward direction of the film material 100, and can recycle the excess hot melt adhesive powder.

[0055] The above structure realizes the automatic operation of the feeding, powder scattering, conveying and baking of the film material 100, improves the baking efficiency of the film material 100, and improves the use experience.

[0056] As shown in Figure 1 and Figure 2 In some embodiments, the baking device 01 has a length direction a, a height direction b and a width direction c. The feeding port 11 is arranged at one side of the housing 1 in the width direction c, and the powder scattering assembly 3 extends along the height direction b and the length direction a. The buffering assembly 2 extends along the length direction a. The baking assembly 5 is arranged at one side of the powder scattering assembly 3 in the width direction c and is located on the same side of the feeding port 11 in the width direction c.

[0057] In the above, the positions of the various assemblies of the baking device 01 are reasonably arranged, the compactness of the structure of the baking device 01 is improved on the basis of not affecting the performance of the device, and the volume of the baking device 01 is reduced. By arranging the baking assembly 5 at one side of the powder scattering assembly 3 in the width direction c, the other side of the powder scattering assembly 3 in the width direction c has space suitable for the extension of the conveying assembly 4, and the baking assembly 5 is distributed on the same side of the feeding port 11 in the width direction c. Since the feeding end of the feeding port 11 faces the externally connected device, i.e. the baking assembly 5 is located on the side close to the external device during use, the heat generated by the baking assembly 5 during operation of the device does not make the operator feel uncomfortable, and the use experience is improved.

[0058] Further, in some embodiments, an installation space 15 for installing external devices is formed on the upper portion of the outer shell 1. A first receiving cavity 16 is formed in the outer shell 1 and arranged side by side with the installation space 15 in the width direction c. A second receiving cavity 17 is formed in the outer shell 1 and located below the first receiving cavity 16 and the installation space 15 in the height direction b. The feeding port 11 connects the first receiving cavity 16 and the installation space 15. The buffer assembly 2 is arranged in the first receiving cavity 16. Part of the powder scattering assembly 3 is arranged in the first receiving cavity 16, and the other part is arranged in the second receiving cavity 17. The baking assembly 5 is arranged in the second receiving cavity 17 and located below the installation space 15. In this way, the external device (such as a printer) can be directly installed on the installation space 15, saving installation area and shortening the transmission distance of the film material 100 from the external device to the baking device 01, thereby improving printing efficiency. The first receiving cavity 16 is arranged side by side with the installation space 15, and the buffer assembly 2 is arranged in the first receiving cavity 16, so that the film material 100 entering the baking device 01 from the external device through the feeding port 11 can be directly transmitted to the buffer assembly 2. Part of the powder scattering assembly 3 is arranged in the first receiving cavity 16, and the other part is arranged in the second receiving cavity 17, which fully utilizes the space in the height direction b and avoids occupying a large space in the width direction c. The baking assembly 5 is arranged in the second receiving cavity 17 and located below the installation space 15, which further fully utilizes the space in the height direction b and the space in the width direction c, so that the baking device 01 has a more compact structure layout and a smaller volume, which is convenient for users to operate.

[0059] Figure 4 The internal structure of the baking device from the first perspective is shown in the schematic diagram provided in the present application.

[0060] As shown in Figure 3 and Figure 4 , the baking device 01 further comprises a material collecting assembly 7 arranged at the bottom of the outer shell 1. The material collecting assembly 7 forms a material collecting cavity 711 and a material collecting port 712. The material collecting port 712 connects the material collecting cavity 711 and the second receiving cavity 17. The material collecting port 712 is opposite to the conveying assembly 4 located at the bottom of the baking assembly 5, so that the film material 100 on the conveying assembly 4 enters the material collecting cavity 711 through the material collecting port 712. The material collecting assembly 7 provides a space for collecting the baked film material 100, which can immediately collect the baked film material 100 and reduce unnecessary waiting time, thereby improving the user experience. The material collecting assembly 7 is located on the other side of the powder scattering assembly 3 in the width direction c of the outer shell 1, which can effectively utilize the space of the second receiving cavity 17 and optimize the internal layout of the device. Moreover, the material collecting assembly 7 and the baking assembly 5 are located on different sides in the width direction c of the outer shell 1, so that the film material 100 can be taken out from the material collecting assembly 7 without being close to the baking assembly 5, thereby avoiding being scalded.

[0061] The receiving assembly 7 includes a receiving bin 71. The receiving bin 71 is connected to the housing 1 and located at the bottom of the housing 1, and is used to store the dried film material 100. The receiving bin 71 forms a receiving cavity 711 and a receiving port 712. The receiving bin 71 enables the automatic collection of the dried film material 100, thereby realizing the integrated automatic operation of the drying equipment.

[0062] The receiving bin 71 is detachably mounted on the housing 1 so that the receiving bin 71 can be removed.

[0063] The receiving assembly 7 may further include a guide 72, which is located at one end of the receiving bin 71 near the receiving port 712 to guide the film material 100 detached from the conveying assembly 4 into the receiving chamber 711. The guide 72 prevents the baked film material 100 from accumulating in the receiving bin 71 near the receiving port 712. For example, the guide 72 may be a component with a slope or curved surface (such as a ramp), or a fan, etc.

[0064] In this embodiment, the guide 72 is configured as a fan with the air outlet facing the receiving port 712. Multiple fans can be provided, and the multiple fans are distributed at intervals along the width of the film material 100 that has fallen off from the conveying assembly 4, so that the film material 100 can be subjected to a more uniform pushing force in the width direction, thereby being more neatly stored in the receiving bin 71.

[0065] The receiving assembly 7 may also include a fifth sensor (not shown in the figure). The fifth sensor may be disposed on the receiving hopper 71 or on the surface of the housing 1 opposite to the receiving hopper 71. The fifth sensor is used to detect the amount of film material 100 stored in the receiving hopper 71. When the amount of film material 100 stored in the receiving hopper 71 reaches a certain level, the fifth sensor can issue an alarm signal to remind the operator to remove the film material 100 from the receiving hopper 71. In one embodiment, the fifth sensor may be a photoelectric sensor, etc.

[0066] like Figure 4 As shown, the baking equipment 01 also includes a controller 9, which can be housed within the housing 1. In one embodiment, the controller 9 can be a PLC controller. The controller 9 is electrically connected to the buffer assembly 2, the powder-sprinkling assembly 3, the conveying assembly 4, and the baking assembly 5, respectively, to achieve centralized and unified control of the entire machine, thereby improving the accuracy of the automated control of the baking equipment 01.

[0067] The controller 9 may include a motherboard and electronic components and interfaces disposed on the motherboard. The motherboard may be fixed on the frame 13 or the side plate 14. In one embodiment, the motherboard may be disposed in the second receiving cavity 17 and located on the side of the powdering assembly 3 in the length direction a. In this way, the structural layout of the baking equipment 01 is more compact and makes full use of the space of the second receiving cavity 17.

[0068] Figure 5The internal structure of the baking equipment is shown in the second perspective view. Figure 6 The structure of the powdering assembly and the buffering assembly is shown in the structural schematic view. Figure 7 The structure of the buffering assembly is shown in the structural schematic view.

[0069] As shown in Figure 3 , Figure 5 , Figure 6 and Figure 7 , the buffering assembly 2 includes a bracket 24, a swing member 21, and a second motor 22. The bracket 24 is fixed in the housing 1 and can serve as a support structure of the buffering assembly 2. The swing member 21 is swingably mounted on the bracket 24. The second motor 22 is disposed on the bracket 24 and is in driving connection with the swing member 21, for driving the swing member 21 to swing.

[0070] The bracket 24 includes two mounting plates 241, which are oppositely arranged along the length direction a and are respectively located on two sides of the conveying direction of the film material 100.

[0071] The swing member 21 is swingably mounted on at least one mounting plate 241.

[0072] In some embodiments, the swing member 21 can be a plate structure in a grid shape. The swing member 21 has powder leakage holes 213, which can reduce the friction between the swing member 21 and the film material 100, and the excess hot melt adhesive powder scattered downward by the powdering assembly 3 or shaken off from the film material 100 can fall through the powder leakage holes 213 and be recycled and processed.

[0073] The swing member 21 is oppositely arranged with the feeding port 11. After the film material 100 enters the baking equipment 01 from the feeding port 11, it will be conveyed to the swing member 21. The swing member 21 is disposed on the bracket 24 and can swing relative to the bracket 24. The swing member 21 can swing within a range between a first position and a second position. The swing member 21 has a feeding surface 211 with a slope, and when the swing member 21 is in the first position, the two ends of the feeding surface 211 are respectively close to the feeding port 11 and the conveying assembly 4; when the swing member 21 is in the second position, the feeding surface 211 has a spacing space with the feeding port 11. The first position can be the maximum height that the swing member 21 can reach when it swings upward, and the second position can be the swing zero position of the swing member 21. In other embodiments, the swing member 21 can also swing beyond the first position and the second position.

[0074] Specifically, in the initial state, the swing member 21 is in the second position, when the film material 100 enters the buffer assembly 2 from the feeding port 11, the swing member 21 swings upward to the first position, the two ends of the swing member 21 can be close to the feeding port 11 and the conveying assembly 4 respectively, at this time the film material 100 can pass through the feeding surface 211 of the swing member 21, the refrigerator conveying assembly 4 conveys, and is fixed on the conveying assembly 4. After the film material 100 is fixed on the conveying assembly 4, the swing member 21 can swing downward to the second position, the conveying assembly 4 does not produce tensioning effect on the film material 100, and the film material 100 will be pressed downward to form an arc under the action of gravity.

[0075] As shown in Figure 7 , the feeding surface 211 includes a first conveying sub-surface 2112 and a second conveying sub-surface 2111 connected. The first conveying sub-surface 2112 and the second conveying sub-surface 2111 are both curved surfaces. The first conveying sub-surface 2112 is closer to the feeding port 11 than the second conveying sub-surface 2111, the tangent angle of the first conveying sub-surface 2112 gradually increases, and the tangent angle of the second conveying sub-surface 2111 gradually decreases. The first conveying sub-surface 2112 and the second conveying sub-surface 2111 form the curved surface described above, which can to some extent make the film material 100 more smoothly pass through the buffer assembly 2 to the conveying assembly 4.

[0076] As shown in Figure 3 and Figure 6 , the swing member 21 is arranged between the two mounting plates 241 and can rotate relative to the mounting plates 241. The mounting plates 241 are provided with connecting holes, and one end of the swing member 21 is rotatably connected to the connecting hole in one of the mounting plates 241 through a shaft body. The output shaft of the second motor 22 penetrates the connecting hole of the other mounting plate 241 and is in transmission connection with the other end of the swing member 21, so as to realize the rotation of the swing member 21. Further, the second motor 22 is connected to the end of the swing member 21 along the conveying direction, so that the swing member 21 can realize a larger swing amplitude.

[0077] As shown in Figure 3 , the buffer assembly 2 includes a first sensor 27 arranged behind the swing member 21 along the conveying direction, for detecting whether the film material 100 reaches the conveying assembly 4. When the first sensor 43 detects that the film material 100 is connected from the buffer assembly 2 to the conveying assembly 3, the second motor 22 controls the swing member 21 to swing downward to the second position, so that the film material 100 is buffered at the position of the buffer assembly 2, forming a downward curved arc, avoiding the film material 100 from piling up together, so that the powder scattering assembly 3 can uniformly scatter powder on the film material 100.

[0078] The buffer assembly 2 comprises a second sensor 23. The sensing direction of the second sensor 23 is towards the swing member 21, for detecting the position of the swing member 21, and determining whether the swing member 21 swings to the first position. In the embodiment, the second sensor 23 can be arranged on the side of the buffer assembly 2 facing the feeding port 11. The second sensor 23 is closer to the first position, so as to improve the response speed of the second sensor 23.

[0079] When the swing member 21 swings to the first position, the second sensor 23 can generate an excitation signal, the second motor 22 stops rotating, the film material 100 passes through the feeding surface 211 of the swing member 21, and enters the conveying assembly 4. At this time, whether the feeding surface 211 of the swing member 21 can contact the passing film material 100, and whether the film material 100 can be smoothly fed into the conveying assembly 4.

[0080] As shown in Figure 6 Further, the buffer assembly 2 further comprises a third sensor 26. The third sensor 26 is arranged below the first position, for detecting whether the film material 100 sags to the lower limit position when the swing member 21 is in the second position, so as to control the conveying speed of the film material 100 in the conveying assembly 4. The third sensor 26 can be arranged on the housing 1.

[0081] In the above, when the film material 100 is connected and fixed into the conveying assembly 4, the second motor 22 reversely rotates, controls the swing member 21 to swing downward, and the conveying assembly 4 stops conveying the film material 100. The film material 100 will sag in the buffer assembly 2 and form a downward bending arc under the pushing action of the printer. When the film material 100 bends to a certain extent, the lower limit position of the film material 100 triggers the signal of the third sensor 26, the conveying assembly 4 starts, and the film material 100 is conveyed along the downstream. When the lower limit position of the film material 100 is out of the sensing range of the third sensor 26, the conveying assembly 4 stops working, the film material 100 forms a downward bending arc in the buffer assembly 2 again, and the cycle is repeated, so as to realize the automatic feeding of the film material 100.

[0082] In some embodiments, the first sensor 27, the second sensor 23 and the third sensor 26 can be photoelectric sensors or the like. The first sensor 27, the second sensor 23 and the third sensor 26 are respectively electrically connected with the controller 9.

[0083] In some embodiments, to further limit the swing of the swing member 21, at least one mounting plate 241 is provided with a limiting member 25. The limiting member 25 is arranged on the side of the mounting plate 241 facing the swing member 21, and protrudes from the surface of the mounting plate 241. The limiting member 25 can be used to limit the swing range of the swing member 21. When the swing member 21 swings upward to the first position, the limiting member 25 can abut against the swing member 21 to limit the swing member 21 from continuing to swing upward, ensuring that when the limiting member 25 swings upward, the film material 100 can be smoothly connected to the conveying assembly 4.

[0084] As shown in Figure 3 and Figure 5 , in some embodiments, the conveying assembly 4 is arranged downstream of the buffering assembly 2 and is used to convey the film material 100 from the buffering assembly 2 to the baking assembly 5, and can also convey the film material 100 relative to the baking assembly 5. The conveying assembly 4 can fix the two side edges of the film material 100 along the conveying direction, and through the movement of the conveying assembly 4, the film material 100 can be driven to the downstream assembly, so that the film material 100 can be conveyed without the traction of the conveying roller, so that the conveying assembly 4 can realize the conveying of single film material 100 with a short length, improve the flexibility of the use of the baking equipment 01, and reduce the waste of the film material 100.

[0085] Figure 8 The structure schematic diagram of the conveying assembly provided by the present application from the first perspective. Figure 9 The structure schematic diagram of the conveying assembly provided by the present application from the second perspective.

[0086] As shown in Figure 3 , Figure 5 , Figure 8 and Figure 9 , the conveying assembly 4 includes a first conveying subassembly 41, a second conveying subassembly 42, and a driving subassembly 43. The driving subassembly includes a driving member 431 and a transmission member 432. The first conveying subassembly 41 and the second conveying subassembly 42 are respectively in transmission connection with the transmission member 432, so that the transmission member 432 synchronously drives the first conveying subassembly 41 and the second conveying subassembly 42 to move. The first conveying subassembly 41 and the second conveying subassembly 42 are at least partially arranged close to each other, so that the film material 100 can be transferred from the first conveying subassembly 41 to the second conveying subassembly 42. The second conveying subassembly 42 surrounds the opposite sides of the width direction of the box body 51. Part of the first conveying subassembly 41 is arranged on the side of the powder spraying assembly 3 away from the feeding port 11, and part of the first conveying subassembly 41 is arranged below the powder spraying assembly 3 in the height direction. During the conveying of the film material 100 by the conveying assembly 4, the film material 100 can be transferred from the first conveying subassembly 41 to the second conveying subassembly 42.

[0087] The transmission component 432 is connected to the first conveying subassembly 41 and the second conveying subassembly 42, which can reduce the use of the driving member 431, thereby simplifying the structure of the equipment. In addition, the transmission precision of the first conveying subassembly 41 and the second conveying subassembly 42 can be improved, thereby improving the stability of the film material 100 conveying. The first conveying subassembly 41 can convey the film material 100 to the front of the baking assembly 5, and the second conveying subassembly 42 can convey the film material 100 around the baking assembly 5, so as to fully utilize the baking area of the baking assembly 5 and achieve more sufficient baking of the film material 100. At the same time, by reasonably arranging the position of the first conveying subassembly 41, the space can be fully utilized, and the volume of the baking equipment 01 can be reduced.

[0088] In some embodiments, the driving member 431 can be an electric motor.

[0089] Further, in some embodiments, the first conveying subassembly 41 includes two first conveying modules 411 and a first transmission member 412 arranged along the length direction a, and the first transmission member 412 is connected to the two first conveying modules 411. The first transmission member 412 can realize synchronous transmission of the two first conveying modules 411, and the two first conveying modules 411 can support both ends of the film material 100.

[0090] For example, the first conveying module 411 includes a first conveying belt and a plurality of first transmission wheels, and the first conveying belt is engaged with the plurality of first transmission wheels. The plurality of first transmission wheels are arranged to form a polygon, and the plurality of first transmission wheels can support and drive the first conveying belt to move. The first transmission member 412 extends along the length direction a and is connected to one of the first transmission wheels of the two first conveying modules 411. The first transmission member 412 can be a transmission shaft, and the first transmission wheels of the two first conveying modules 411 are respectively fixed at both ends of the transmission shaft in the axial direction. One of the first transmission wheels of one of the first conveying modules 411 is connected to the transmission component 432 and moves under the transmission of the transmission component 432.

[0091] Further, in some embodiments, the second conveying subassembly 42 includes two second conveying modules 421 and a second transmission member 422 arranged along the length direction a. The second transmission member 422 is connected to the two second conveying modules 421, and the second transmission member 422 can realize synchronous transmission of the two second conveying modules 421. The two second conveying modules 421 can support both ends of the film material 100.

[0092] The second conveying module 421 comprises a second conveying belt and a plurality of second transmission wheels, and the second conveying belt is engaged with the plurality of second transmission wheels. The plurality of second transmission wheels enclose a polygon, and the plurality of second transmission wheels can support and drive the second conveying belt to move. The second transmission member 422 extends along the length direction a and is drivingly connected with one of the second transmission wheels of the two second conveying modules 421. The second transmission member 422 can be a transmission shaft, and the two second transmission wheels are respectively fixed at two ends of the transmission shaft in the axial direction. One of the second transmission wheels of one of the second conveying modules 421 is connected with the transmission member 432 and moves under the driving of the transmission member 432.

[0093] Referring to Figure 10 The conveying assembly 4 further comprises a guide portion 45 arranged between the first conveying subassembly 41 and the second conveying subassembly 42. The guide portion 45 is used to guide the film material 100 from the first conveying subassembly 41 to the second conveying subassembly 42, so as to realize the transfer of the film material 100.

[0094] As shown in Figure 5 In some embodiments, the first conveying subassembly 41 further comprises a first limiting member 413 arranged outside the first conveying module 411 and used to limit the film material 100 from separating from the first conveying module 411. For example, the first limiting member 413 can be a guide rail which can wrap at least part of the first conveying module 411.

[0095] The second conveying subassembly 42 further comprises a second limiting member 423 arranged outside the second conveying module 421 and used to limit the film material 100 from separating from the second conveying module 421. For example, the second limiting member 423 can be a guide rail which can wrap at least part of the second conveying module 421.

[0096] A first gap is formed between the first limiting member 413 and the first conveying module 411, and the width of the first gap is matched with the thickness of the film material 100. The film material 100 can move along the first gap, and it can be ensured that the film material 100 does not separate from the first conveying module 411. A second gap is formed between the second limiting member 423 and the second conveying subassembly 42, and the width of the second gap is matched with the thickness of the film material 100. The film material 100 can move along the second gap, and it can be ensured that the film material 100 does not separate from the second conveying subassembly 42.

[0097] The first conveying subassembly 41 and the second conveying subassembly 42 are close to each other on the side of the baking assembly 5 facing the powdering assembly 3, and the guide portion 45 is formed at the position area where the first conveying subassembly 41 and the second conveying subassembly 42 are close to each other.

[0098] The guide portion 45 comprises a second guide portion 452. The second guide portion 452 is formed on a side of the second limiting member 423 close to the first conveying subassembly 41. The second guide portion 452 is formed with an inclined surface facing the first conveying subassembly 41, which can guide the film 100 to transfer from the first conveying module 411 to the second conveying module 421. The second limiting member 423 can abut or be close to abutting the first conveying module 411, and the second guide portion 452 is formed on the part of the second limiting member 423 abutting or opposite to the first conveying module 411.

[0099] The rotation directions of the first conveying module 411 and the second conveying module 421 are opposite. For example, the first conveying module 411 rotates clockwise to convey the film 100 to a position close to the second conveying module 421, and the second conveying module 421 rotates counterclockwise. In this way, under the rotation of the first conveying module 411 and the second conveying module 421 and the action of the second guide portion 452, the film 100 can be transferred at the position where the first conveying module 411 and the second conveying module 421 are close to each other, so as to transfer the film 100 from the first conveying module 411 to the second conveying module 421.

[0100] In some embodiments, the guide portion 45 further comprises a first guide portion 451. The first guide portion 451 is located on a side of the first limiting member 413 close to the second conveying subassembly 42, and the first guide portion 451 is arranged in a staggered manner with the second guide portion 452. The first guide portion 451 is formed with an inclined surface extending towards the second conveying subassembly 42, which can guide the film 100 to gradually separate from the first driving member 412.

[0101] The conveying assembly 4 is arranged as the first conveying subassembly 41 and the second conveying subassembly 42, which can optimize the conveying direction of the conveying assembly 4 in a limited space, reduce the frequency of the transmission angle change of the single-stage driving member, improve the stability of the film 100 conveying, facilitate the layout of the positions of the components, and improve the compactness of the overall structure, thereby reducing the volume of the overall machine.

[0102] In some embodiments, the first limiting member 413 close to the buffer assembly 2 is further provided with a third guide portion 4131, which can be upwardly curved, for guiding the film 100 entering the conveying assembly 4, so that the film 100 entering the third guide portion 4131 can gradually approach the first driving member 412, thereby being connected to the conveying assembly 4 and moving with the conveying assembly 4. The third guide portion 4131 can have a guide curved surface or a guide inclined surface, and the tangent angle of the guide curved surface can gradually decrease.

[0103] In some embodiments, the first sensor 43 is arranged at the third guide portion 4131 to detect whether the film material 100 is transferred from the buffer assembly 2 to the conveying assembly 4. When the first sensor 43 detects that the film material 100 is transferred from the buffer assembly 2 to the conveying assembly 4, the second motor 22 controls the swing member 21 to swing downward to the zero position, so that the film material 100 forms a downward curved arc at the position of the buffer assembly 2, facilitating the powdering assembly 3 to sprinkle powder on the film material 100.

[0104] As shown in Figure 5 and Figure 8 , in some embodiments, the transmission member 432 further comprises a first gear 4321, a second gear 4322 and a third gear 4323. The first gear 4321 is arranged between the second gear 4322 and the third gear 4323, and the first gear 4321 is engaged with the second gear 4322 and the third gear 4323 respectively. The first gear 4321 is in transmission connection with one of the first conveying modules 411 in the first conveying subassembly 41, thereby driving the first conveying module 411 to rotate synchronously. The rotation direction of the first gear 4321 is the same as that of the first conveying module 411, so that the first conveying module 411 drives the film material 100 to gradually approach the second conveying subassembly 42. The second gear 4322 is in transmission connection with one of the second conveying modules 421 in the second conveying subassembly 42, thereby driving the second conveying module 421 to rotate synchronously. The third gear 4323 is in transmission connection with the driving member 431. In the above, the transmission precision is improved by the transmission of the transmission member 432, and multiple driving members 431 are not required to drive the first conveying subassembly 41 and the second conveying subassembly 42 respectively.

[0105] Figure 10 is a close-up view of the C area in Figure 9 .

[0106] In some embodiments, the conveying assembly 4 is provided with a first matching portion 46, which is used to match with a second matching portion (not shown in the figure) on the film material 100, so as to fix the film material 100 on the conveying assembly 4.

[0107] In some embodiments, the two first conveying modules 411 are provided with the first matching portion 46, and the second matching portion is arranged on the two side edges in the width direction of the film material 100. The first matching portion 46 is matched with the second matching portion, so that the film material 100 can be fixed on the conveying assembly 4 through the connection of the first matching portion 46 and the second matching portion. The two second conveying modules 421 are also provided with the first matching portion 46, so as to fix the film material 100 on the second conveying module 421.

[0108] As shown in Figure 5 , Figure 9 and Figure 10As shown, in some embodiments, multiple first mating portions 46 are provided on the first conveying module 411, and the multiple first mating portions 46 are equally spaced. The first mating portions 46 are configured as bosses, and the second mating portions are configured as fixing holes, with multiple second mating portions equally spaced. The distance between two adjacent second mating portions is equal to the distance between two adjacent first mating portions 46. The fixing holes on the membrane material 100 can pass through the bosses to fix it to the conveying assembly 4. Multiple bosses are provided, and the multiple bosses are distributed at intervals along the length direction of the conveying, so that a membrane material 100 can be fixed on multiple bosses to improve the fit between the membrane material 100 and the conveying assembly 4. The multiple first mating portions 46 are equally spaced so that the membrane material 100 does not need to be fixed to a specific position on the first conveying module 411. Multiple first mating portions 46 can also be equally spaced on the second conveying module 421.

[0109] Furthermore, to facilitate the fitting of the membrane material 100 onto the boss, the diameter of the boss can be set to gradually decrease outward from the fixed position. For example, the boss can be set to be conical.

[0110] The fixing holes on the membrane material 100 can be configured as oblong holes, which further facilitates the fixing of the membrane material 100 to the boss. In other embodiments, the fixing holes can also be round holes.

[0111] like Figure 5 and Figure 8 As shown, in other embodiments, the conveying component 4 includes a code disk 47 and a sixth sensor 48. The code disk 47 has circumferential code tracks divided into multiple equally sized regions. The time it takes for the code disk 47 to rotate through each region of the code track is equal to the time required for the membrane material 100 to move the distance between two adjacent protrusions. The rotation trajectory of the code disk 47 is within the detection range of the sixth sensor 48, which is used to detect the rotation distance of the code disk 47.

[0112] In some embodiments, the sixth sensor 48 may be a photoelectric sensor or the like.

[0113] The code disc 47 is connected with the first conveying subassembly 41 and the second conveying subassembly 42 through the transmission component 432. Specifically, the code disc 47 is coaxially arranged with the first gear 4321, the first gear 4321, the second gear 4322 and the third gear 4323 have the same rotating radius, the sixth sensor 48 is arranged on one side of the code disc 47 and is used for detecting the rotating distance of the code disc 47. When the code track of the code disc 47 passes through the sixth sensor 48, the sixth sensor 48 generates an excitation signal. Each region on the code track can correspond to a plurality of first matching parts 46 respectively, the position of the code track on the code disc 47 is detected through the sixth sensor 48, and then it is judged whether the first matching part 46 moves to the connection position, so as to control the conveying of the film material 100, and the second matching part on the film material 100 is matched with the first matching part 46, so as to be accurately fixed on the first transmission subassembly 41.

[0114] Figure 11 For Figure 3 the B area is enlarged.

[0115] As Figure 3 , Figure 5 and Figure 11 shown, the powder scattering assembly 3 includes a powder scattering mechanism 31, a powder storage mechanism 32 and a powder circulation mechanism 33. The powder scattering mechanism 31 is arranged above the buffer assembly 2 and is used for scattering hot melt adhesive powder to the film material 100 located on the buffer assembly 2. When the swing piece 21 swings downward to the second position, the film material 100 forms a downward curved arc, and at this time, the powder scattering mechanism 31 scatters hot melt adhesive powder to the film material 100, which can make the hot melt adhesive powder more evenly distributed on the surface of the film material 100 and better cover the pattern.

[0116] The powder storage mechanism 32 is used for storing hot melt adhesive powder. The powder storage mechanism 32 is arranged below the powder scattering mechanism 31, and the powder storage mechanism 32 is formed with a powder recycling port 3215 facing the powder scattering mechanism 31.

[0117] The powder circulation mechanism 33 is at least partially arranged in the powder storage mechanism 32 and opposite to at least part of the powder scattering mechanism 31, and is used for circulating movement between the powder scattering mechanism 31 and the powder storage mechanism 32, carrying part of the hot melt adhesive powder in the powder storage mechanism 32, and transferring at least part of the part of the hot melt adhesive powder to the powder scattering mechanism 31.

[0118] Figure 12 The structure schematic diagram of the powder scattering mechanism provided in the present application.

[0119] As Figure 3 , Figure 11 and Figure 12As shown, further, the powdering mechanism 31 comprises a powdering bin 311, a powdering roller 313 and a third motor 314. The powdering bin 311 is arranged above the buffer assembly 2, and both ends of the powdering bin 311 are fixed to the support 24. The powdering roller 313 is arranged in the powdering port and extends along the length direction of the powdering port, one end of the powdering roller 313 is rotatably connected to one of the mounting plates 241, and the output shaft of the third motor 314 penetrates through the other mounting plate 241 and is in transmission connection with the other end of the powdering roller 313, for driving the powdering roller 313 to rotate, so as to carry the hot-melt adhesive powder in the powdering bin 311 out of the powdering port and sprinkle it downward to the film material 100.

[0120] The powdering bin 311 is used for storing the hot-melt adhesive powder transferred from the powder storage mechanism 32 by the powder circulating mechanism 33. The inner diameter of the powdering bin 311 gradually decreases from top to bottom, and the cross section thereof is generally in the shape of V, so that the hot-melt adhesive powder in the powdering bin 311 can better slide to the bottom of the powdering bin 311. The bottom of the powdering bin 311 is provided with a powdering port, so as to facilitate the hot-melt adhesive powder to be discharged from the powdering port. The powdering port extends along the length of the powdering bin 311. It can be understood that the length of the powdering port is not less than the width of the film material 100, so as to ensure that the hot-melt adhesive powder can cover each position on the width of the film material 100.

[0121] In order to improve the strength of the powdering bin 311, a plurality of reinforcing ribs 3111 are arranged in the powdering bin 311 at intervals. The reinforcing ribs 3111 are respectively connected with the two side walls in the length direction of the powdering bin 311.

[0122] In some embodiments, the powdering mechanism 31 is linked with the printer 02, after the film material 100 reaches a specific position, the third motor 314 is controlled to rotate for a certain time, so as to ensure that a sufficient amount of hot-melt adhesive powder is sprinkled, and then the third motor 314 is stopped to accurately control the landing point of the hot-melt adhesive powder on the film material 100. The powdering amount can be adjusted by the printing parameters, such as the number of PASS, the picture size, etc.

[0123] Figure 13 The structure schematic diagram of the powdering roller provided in the present application is shown.

[0124] As Figure 12 and Figure 13As shown, the powdering roller 313 is arranged in the powdering opening and extends along the length direction of the powdering opening. The third motor 314 is in driving connection with the powdering roller 313 and is used to drive the powdering roller 313 to rotate, so as to sprinkle the hot melt adhesive powder in the powdering bin 311 out of the powdering opening and onto the film material 100. The surface of the powdering roller 313 is provided with at least one powder groove 3131, which can be used to carry the hot melt adhesive powder. The powder groove 3131 extends along the axial direction of the powdering roller 313. When the powdering roller 313 rotates, the powder groove 3131 can carry the hot melt adhesive powder in the powdering bin 311 out of the powdering opening, so as to improve the uniformity of the hot melt adhesive powder sprinkled on the film material 100.

[0125] As shown in Figure 13 some embodiments, the circumferential surface of the powdering roller 313 is provided with a plurality of powder grooves 3131, which are uniformly distributed along the circumferential direction, so as to improve the powdering efficiency.

[0126] As shown in Figure 11 and Figure 12 some embodiments, the powdering mechanism 31 further comprises a powder scraping piece 315. The powder scraping piece 315 is arranged in the area of the powdering bin 315 close to the powdering opening and is in contact with the powdering roller 313, so as to scrape the hot melt adhesive powder in the powder groove 3131 into the powdering opening when the powdering roller 313 rotates.

[0127] In some embodiments, the powder scraping piece 315 is configured with two powder scraping pieces 315, which are arranged at the two ends of the powdering opening respectively and face in opposite directions and are located on the two sides of the powdering roller 313 in the radial direction and abut against the powdering roller 313.

[0128] The two powder scraping pieces 313 are located on the two sides of the powdering roller 313 in the axial direction and the distance between the two powder scraping pieces 315 is not greater than the width of the powdering roller 313. When the powdering roller 313 rotates, the two powder scraping pieces 315 can sweep the hot melt adhesive powder on the powder groove 3131 out, so that the hot melt adhesive powder can fall onto the film material 100.

[0129] The two powder scraping pieces 315 are arranged in opposite directions and are inclined in opposite directions to the rotating direction of the powdering roller 313, so that when the powdering roller 313 rotates, the two powder scraping pieces 315 can be inserted into the powder groove 3131 and can effectively carry the hot melt adhesive powder in the powder groove 3131 out in the opposite direction of the rotating direction of the powdering roller 313. For example, the powdering roller 313 rotates counterclockwise, one of the powder scraping pieces 315 is arranged in front of the powdering roller 313 and is inclined downward, and the other powder scraping piece 316 is arranged behind the powdering roller 313 and is inclined upward.

[0130] In some embodiments, the powder scraping member 315 is a brush, which includes a soft part in contact with the powdering roller 313, and the soft part can be deformed with the rotation of the powdering roller 313, so as to scrape the hot melt adhesive powder in the powder groove 3131. In other embodiments, the powder scraping member 315 can also be an element made of other soft materials, such as a silica gel strip.

[0131] Figure 14 A structural schematic diagram of the powdering assembly provided in the present application.

[0132] As shown in Figure 3 , Figure 6 and Figure 14 , the powder storage mechanism 32 has a powder recovery cavity 321a1 in communication. The powder recovery cavity 321a1 is closer to the powdering mechanism 31 than the powder storage cavity 321b1, the powdering mechanism 31 is correspondingly arranged above the powder recovery cavity 321a1, and the buffer assembly 2 is at least partially arranged in the powder recovery cavity 321a1 and can swing in the powder recovery cavity 321a1. The powdering mechanism 31 is correspondingly arranged above the powder recovery cavity 321a1, and the buffer assembly 2 is at least partially arranged in the powder recovery cavity 321a1 and can swing in the powder recovery cavity 321a1, so that when the powdering assembly 3 spreads the hot melt adhesive powder on the film material 100, the excess powder can enter the powder recovery cavity 321a1, the powder recovery cavity 321a1 is in communication with the powder storage cavity 321b1, and the hot melt adhesive powder collected in the powder recovery cavity 321a1 can directly fall into the powder storage cavity 321b1, without the need for frequent cleaning, thereby improving the use experience.

[0133] The powder storage mechanism 32 includes a powder storage bin 321 and a powder adding bin 322. The powder storage bin 321 is arranged below the buffer assembly 2, the powder adding bin 322 is arranged in the upper part of the powder storage bin 321, can rotate along the powder storage bin 321, and can be pulled out of the powder storage bin 321 to perform powder adding operation.

[0134] The powder storage bin 321 can be used to store hot melt adhesive powder. The powder recovery cavity 321a1 and the powder storage cavity 321b1 are formed in the powder storage bin 321. The powder storage bin 321 is formed with an upward powder recovery opening 3215, the powder recovery opening 3215 is in communication with the powder recovery cavity 321a1 and the first receiving cavity 16, and the excess hot melt adhesive powder on the film material 100 or the hot melt adhesive powder falling from the powdering mechanism 31 can be recovered into the powder storage bin 321 through the powder recovery opening 3215, thereby facilitating the recycling of the hot melt adhesive powder.

[0135] The upper part of the powder storage bin 321 is V-shaped, that is, the cross section of the upper part of the powder storage bin 321 gradually increases from bottom to top, so that not only can the powder recovery opening 3215 be large enough to receive the hot melt adhesive powder falling from the powdering mechanism 31, but also the recovered hot melt adhesive powder can quickly slide down along the inclined side wall of the powder storage bin 321 to the bottom of the powder storage bin 321.

[0136] The powder storage bin 321 comprises a powder recovery part 321a and a powder storage part 321b, the powder recovery part 321a is arranged above the powder storage part 321b, the upper end of the powder recovery part 321a forms a powder recovery opening 3215, and the bin width of at least part of the powder recovery part 321a and the bin width of at least part of the powder storage part 321b gradually decrease from top to bottom. In this way, when the hot melt adhesive powder capacity is small, it can also be easily transferred. The powder recovery cavity 321a1 is formed in the powder recovery part 321a; the powder storage cavity 321b1 is formed in the powder storage part 321b.

[0137] Further, a grid 325 is arranged at a position close to the powder recovery opening 3215 in the powder storage bin 321. By arranging the grid 325, the hot melt adhesive powder in the powder storage bin 321 can be prevented from being taken away by the airflow generated by the swinging of the swinging part 21 when there is too much hot melt adhesive powder in the powder storage bin 321.

[0138] The powder adding bin 322 has a powder discharge opening, through which the hot melt adhesive powder in the powder adding bin 322 can be poured into the powder storage bin 321.

[0139] Figure 15 The second perspective view of the structure of the baking equipment provided in the present application is shown.

[0140] As shown in Figure 3 and Figure 15 , a first through hole 3214 is formed on one side wall of the powder storage bin 321, and the powder adding bin 322 is arranged in the first through hole 3214.

[0141] Figure 16 The internal structure diagram of the powder scattering assembly provided in the present application is shown. Figure 17 The second perspective view of the structure of the powder scattering assembly provided in the present application is shown. Figure 18 is Figure 17 The sectional view along the E-E direction is shown.

[0142] As shown in Figure 16 to Figure 18 , a third limiting protrusion 3222 is formed on the side wall of the powder adding bin 322, and the protruding direction of the third limiting protrusion 3222 is consistent with the direction of the powder discharge opening of the powder adding bin 322. A first gap 32141 is formed on the upper part of the first through hole 3214, and the third limiting protrusion 3222 and the first gap 32141 correspond and fit.

[0143] The inner wall of the powder storage bin 321 is formed with a first limiting protrusion 3212 and a second limiting protrusion 3213 near the first through hole 3214. The first limiting protrusion 3212 is located at the upper part of the first through hole 3214, and the second limiting protrusion 3213 is located at the lower part of the first through hole 3214. The powder adding bin 322 has a first position and a second position relative to the powder storage bin 321. When the powder adding bin 322 is in the first position, the first gap 32141 is arranged corresponding to the third limiting protrusion 3222, and the third limiting protrusion 3222 abuts against the first limiting protrusion 3212. When the powder adding bin 322 is rotated to abut against the first limiting protrusion 3212, the opening of the powder adding groove 3221 faces downward, and the powder adding bin 322 can be pulled out of the powder storage bin 321. When the powder adding bin 322 is in the second position, the third limiting protrusion 3222 abuts against the second limiting protrusion 3213, and at this time, the powder discharging port of the powder adding bin 322 faces downward, and the hot melt adhesive powder in the powder adding bin 322 can be transferred to the powder storage bin 321.

[0144] In some embodiments, the first limiting protrusion 3212 and the second limiting protrusion 3213 are arranged at the two ends of the first through hole 3214 in the radial direction, and the second limiting protrusion 3213 limits the third limiting protrusion 3222 at the bottom of the first through hole 3214. In this way, when the powder adding bin 322 is poured with hot melt adhesive powder into the powder storage bin 321, the powder discharging port of the powder adding bin 322 faces downward, ensuring that the hot melt adhesive powder in the powder adding bin 322 can be completely poured into the powder storage bin 321.

[0145] When adding hot melt adhesive powder, the powder adding bin 322 is rotated to the position where the third limiting protrusion 3222 abuts against the first limiting protrusion 3212, the powder adding bin 322 is pulled out, hot melt adhesive powder is added into the powder adding bin 322, the powder adding bin 322 is inserted into the powder storage bin 321, and the powder adding bin 322 is rotated to pour the hot melt adhesive powder in the powder adding bin 322 into the powder storage bin 321. Repeat the operation until the powder adding operation is completed.

[0146] The powder storage bin 321 is further provided with a sleeve 3216. The sleeve 3216 can rotate relative to the powder storage bin 321, and the sleeve 3216 abuts against the lower outer side of the powder adding bin 322, which can support the powder adding bin 322 and make the powder adding bin 322 rotate more smoothly.

[0147] The powder storage bin 321 is provided with a fourth sensor 323. The fourth sensor 323 can detect the capacity of the hot melt adhesive powder in the powder storage bin 321. When the capacity of the hot melt adhesive powder in the powder storage bin 321 is lower than a certain height, the fourth sensor 323 will issue an alarm to prompt powder adding.

[0148] Further, the fourth sensor 323 can be provided with multiple sensors at different heights in the powder storage bin 321 to form different powder adding signals.

[0149] AsFigure 15 As shown, further, the housing 1 is formed with a powder adding opening 12, the powder adding opening 12 and the powder adding bin 322 are oppositely arranged, and the powder adding bin 322 is taken out through the powder adding opening 12. The powder adding opening 12 is covered by the oil adding cover body 6, so as to close the powder adding opening 12 and prevent the powder adding bin 322 from being touched by mistake.

[0150] The powder adding cover body 6 can be movably connected with the housing 1, or one side of the powder adding cover body 6 can be rotatably connected with the housing 1 through a connecting member. The outer wall of the powder storage bin 321 is provided with a rebounding member 324, and the other side of the powder adding cover body 6 can be connected with the powder storage bin 321 through the rebounding member 324, so as to facilitate the opening and closing of the powder adding cover body 6 and facilitate the taking and placing of the powder adding bin 322.

[0151] In the embodiment, the powder adding bin 322 can add 2 kg of hot melt adhesive powder at a time, and the powder storage bin 321 can accommodate 4 kg of hot melt adhesive powder. The powder storage bin 321 has a large capacity, and the frequency of adding powder can be reduced.

[0152] As shown in Figure 3 and Figure 6 , the powder circulating mechanism 33 includes a powder circulating synchronous belt 331, a transmission structure 335 and a fourth motor 332. The powder circulating synchronous belt 331 forms a circulating loop between the powder scattering mechanism 31 and the powder storage mechanism 32. Part of the powder circulating synchronous belt 331 is arranged above the powder scattering mechanism 31, and part of the powder circulating synchronous belt 331 is arranged in the powder storage mechanism 32. The powder circulating synchronous belt 331 is used to carry part of the hot melt adhesive powder in the powder storage mechanism 32 to the powder scattering assembly 3.

[0153] The powder circulating synchronous belt 331 includes a body 3312 and a plurality of convex bodies 3311 arranged on the outer side of the body 3312. The inner side of the body 3312 is in transmission connection with the transmission structure 335. The plurality of convex bodies 3311 are arranged at intervals, and a powder space is formed between adjacent two convex bodies 3311. The powder space is used to carry hot melt adhesive powder.

[0154] Part of the powder circulating synchronous belt 331 located in the powder storage mechanism 32 extends to the bottom of the powder storage bin 321. The bottom of the powder storage bin 321 is formed with a groove through which the powder circulating synchronous belt 331 passes. During the circulating movement of the powder circulating synchronous belt 331, the convex body 3311 carries the hot melt adhesive powder in the powder storage bin 321 to move along the groove in the powder storage bin 321 and rise to the powder scattering bin 311.

[0155] As shown in Figure 6 and Figure 16 , one side of the powder storage bin 321 is provided with a powder guide groove 3211 extending along the height direction of the powder storage bin 321. The powder circulating synchronous belt 331 is arranged in the powder guide groove 3211 and drives the hot melt adhesive powder to rise from the powder storage bin 321 to the powder scattering bin 311.

[0156] The transmission structure 335 comprises a driving wheel 3351 and a plurality of driven wheels 3352, the driving wheel 3351 and the driven wheels 3352 are respectively arranged on the circulation path of the powder circulation synchronous belt 331, the driving wheel 3351 and the driven wheels 3352 are in transmission connection with the powder circulation synchronous belt 331, and the driven wheels 3352 are used for changing the transmission direction of the powder circulation synchronous belt 331.

[0157] The fourth motor 332 is in transmission connection with the powder circulation synchronous belt 331, and is used for driving the powder circulation synchronous belt 331 to move along the powder scattering mechanism 31 and the powder storage mechanism 32, so as to convey the hot-melt adhesive powder in the powder storage mechanism 32 to the powder scattering mechanism 31, and realize the scattering, recycling and reusing of the hot-melt adhesive powder.

[0158] As shown in Figure 6 , the powder circulation mechanism 33 further comprises a powder discharging piece 334, the powder discharging piece 334 is arranged above the powder scattering bin 311 of the powder scattering mechanism 31 and is located outside the powder circulation synchronous belt 311, and at least one is arranged along the length direction of the powder scattering bin 311. The powder discharging piece 334 is used for discharging the hot-melt adhesive powder carried on the powder circulation synchronous belt 331 during the movement of the powder circulation synchronous belt 331, so that the hot-melt adhesive powder falls into the powder scattering bin 311, and the powder discharging piece 334 can be in contact with the powder circulation mechanism 33 to scrape off the powder on the powder circulation mechanism 33.

[0159] Since the powder circulation mechanism 33 is always in circulation, the powder discharging piece 334 is arranged in the circulation path of the powder circulation mechanism 33 and can cover most of the positions of the powder circulation mechanism 33 in the powder scattering bin 311, so that the hot-melt adhesive powder can be transferred to the powder scattering bin 311 more uniformly, thereby improving the uniformity of the hot-melt adhesive powder attached to the film material 100. Preferably, a plurality of powder discharging pieces 334 are arranged at intervals along the length direction of the powder scattering bin 311, which not only enables the hot-melt adhesive powder to be transferred to the powder scattering bin 311 more uniformly, but also reduces the friction between the powder discharging piece 334 and the powder circulation mechanism 33.

[0160] In some embodiments, the powder discharging piece 334 can also not be arranged, and the hot-melt adhesive powder on the powder circulation mechanism 33 can be made to fall into the powder scattering bin 311 by shaking part of the powder scattering bin 311. Specifically, a motor can be arranged to drive the powder circulation mechanism 33 to shake, or a structure with high and low undulations can be arranged in the powder scattering bin 311, so that the powder circulation mechanism 33 shakes when moving to the structure.

[0161] As shown in Figure 16 , in order to ensure the normal operation of the powder circulation synchronous belt 331, the powder circulation mechanism 33 further comprises a tensioning mechanism 333. The tensioning mechanism 333 is arranged in the powder storage mechanism 32 and is in transmission connection with the powder circulation synchronous belt 331, and is used for adjusting the tensioning degree of the powder circulation synchronous belt 331.

[0162] In some embodiments, the tensioning mechanism 333 comprises a tensioning member 3331 and a tensioning screw 3332. The tensioning member 3331 is arranged in the powder storage bin 321, the powder circulation synchronous belt 331 passes through the tensioning member 3331, and one of the driven wheels 3352 of the powder circulation synchronous belt 331 is rotationally connected with the tensioning member 3331. One end of the tensioning screw 3332 passes through a side wall of the powder storage bin 321 and is connected with the tensioning member 3331. By adjusting the length of the tensioning screw 3332 screwed into the powder storage bin 321, the tensioning degree of the powder circulation synchronous belt 331 can be adjusted to ensure the normal operation of the powder circulation synchronous belt 331.

[0163] As shown in Figure 14 and Figure 16 The powder spraying assembly 3 further comprises a powder tapping mechanism 34. The powder tapping mechanism 34 is arranged between the powder spraying mechanism 31 and the powder storage mechanism 32 and located in the conveying path of the film material 100. The powder tapping mechanism 34 is located downstream of the powder spraying mechanism 31. The powder tapping mechanism 34 can intermittently tap the film material 100 after the hot melt adhesive powder is sprayed thereon to shake off the hot melt adhesive powder that is not adhered to the film material 100. By tapping the film material 100 after the powder spraying through the powder tapping mechanism 34, the uniformity of the hot melt adhesive powder on the film material 100 can be improved.

[0164] The powder tapping mechanism 34 comprises a fifth motor 341, a rotating shaft 342, and at least one tapping member 343 arranged on the rotating shaft 342. One end of the rotating shaft 342 is rotatably installed on the bracket 24, and the fifth motor 341 is fixedly installed on the bracket 24. The fifth motor 341 is in transmission connection with the other end of the rotating shaft 342 for driving the rotating shaft 342 to rotate. The tapping member 343 is arranged on the rotating shaft 342 and extends in the radial direction of the rotating shaft 342. When the rotating shaft 342 rotates, the tapping member 343 can rotate to the back surface of the film material 100 in the buffer assembly 2 and contact the back surface of the film material 100 to tap the film material 100. The excess hot melt adhesive powder on the film material 100 is shaken off to improve the utilization rate of the hot melt adhesive powder.

[0165] When the powder tapping mechanism 34 operates, the fifth motor 341 cyclically performs forward rotation and reverse rotation, so that the tapping member 343 can produce intermittent tapping action on the film material 100.

[0166] The fifth motor 341 can be linked with the printer 02. The conveying position of the film material 100 is estimated through the second sensor 23 and the third sensor 26, the powder is shaken off when the film material 100 arrives, and the powder tapping mechanism 34 stops operating after the film material 100 completely enters the baking equipment 01.

[0167] In some embodiments, a plurality of beating members 343 are provided, and the plurality of beating members 343 are spaced along the axial direction of the rotating shaft 342 to cover a wider range of the film material 100 and more effectively shake off the excess hot melt adhesive powder on the film material 100.

[0168] As shown in Figure 14 , the powder shaking mechanism 34 is arranged on the side of the buffer assembly 2 opposite to the feeding port 11 and is fixed below the buffer assembly 2. The end of the swinging member 21 opposite to the feeding port 11 is provided with an avoiding groove 214. The groove opening of the avoiding groove 214 faces the conveying direction of the film material 100. A plurality of avoiding grooves 214 are spaced along the length direction of the swinging member 21 in the baking equipment 01. The avoiding grooves 214 are arranged corresponding to the beating members 343. The powder shaking mechanism 34 can rotate to insert the beating members 343 into the avoiding grooves 214 and can beat the back surface of the film material 100 in the buffer assembly 2 to shake off the hot melt adhesive powder not adhered on the film material 100. In this way, the structural layout is more compact, which is beneficial to the miniaturization.

[0169] As shown in Figure 14 , the beating member 343 includes a clamping body 3431 and a flexible member 3432 fixed at the end of the clamping body 3431. The clamping body 3431 is fixed to the rotating shaft 342. The flexible member 3432 can be arranged at one end of the clamping body 3431 or at both ends of the clamping body 3431. For example, the flexible member 3432 can be a silica gel member, which has a certain strength and can effectively beat the film material 100 without scratching the film material 100.

[0170] Figure 19 The structural schematic diagram of the baking assembly from the first perspective of the present application is provided. Figure 20 The structural schematic diagram of the baking assembly from the second perspective of the present application is provided. Figure 19 The sectional view along the direction D-D is provided. Figure 21 The internal structural schematic diagram of the baking equipment from the third perspective of the present application is provided.

[0171] As shown in Figure 3 , Figure 19 , Figure 20 and Figure 21 , the baking assembly 5 includes a box body 51 and at least one heating member 52. The heating member 52 is arranged in the box body 51. The heat generated by the heating member 52 can be conducted to the opposite sides of the box body 51 in the width direction. The conveying assembly 4 at least surrounds the opposite sides of the box body 51 in the width direction, so that the film material 100 can pass through the opposite sides of the box body 51 in the width direction in sequence.

[0172] When the film material 100 passes through the baking assembly 5, the film material 100 moves between the box body 51 and the heating member 52, and the film material 100 is conveyed at least in a trajectory parallel to the two heating surfaces of the box body 51 in sequence, so that the film material 100 has a longer stroke when passing through the baking assembly 5, thereby improving the drying effect.

[0173] Multiple heating elements 52 can be provided. These multiple heating elements 52 are distributed at intervals along the height direction of the housing 51. This distribution of heating elements 52 along the height direction reduces the overall size of the machine to some extent.

[0174] Multiple heating elements 52 can be evenly or unevenly distributed. Each heating element 52 can be configured to have the same power or different power, depending on the pattern or material to be dried.

[0175] like Figure 21 As shown, in some embodiments, the plurality of heating elements 52 include at least two first heating elements 521 and at least two second heating elements 522. The first heating elements 521 are fixed inside the housing 51 and extend along the length direction of the housing 51, and at least one first heating element 521 is close to the upper part of the housing 51 and at least one first heating element 521 is close to the lower part of the housing 51. In the height direction of the housing 51, the second heating elements 522 are disposed between the two first heating elements 521 and extend along the height direction of the housing 51, and at least one second heating element 522 is close to one side of the housing 51 in the length direction and at least one second heating element 522 is close to the other side of the housing 51 in the length direction.

[0176] When the membrane material 100 passes through the housing 51, it moves at least on opposite sides along the width direction of the housing 51. The first heating element 51 extends along the width direction of the membrane material 100. Thus, when the membrane material 100 passes through the lower and upper parts of the housing 51, the membrane material 100 can be evenly baked by the heat emitted by the first heating element 521 along its width direction. When the membrane material 100 passes through the middle of the housing 51, the second heating element 522 is close to the edge of the membrane material 100 along its width direction, which can further improve the baking effect on the edge of the membrane material 100 and improve the overall uniformity of baking of the membrane material 100.

[0177] One of the second conveyor belts of the second conveyor module 421 is located on one side of the box 51 along its length, and the other second conveyor belt is located on the other side of the box 51 along its length, so that the two sides of the membrane material 100 in the width direction can be fixed by a conveyor belt respectively, and can pass through the opposite sides of the box 5 in the width direction in sequence.

[0178] The second conveyor module 421 is respectively disposed on the two side walls along the length of the housing 51. Specifically, the second drive wheel is connected to the four corners of the two side walls along the length of the housing 51, so that the second conveyor belt moves in a circular loop. Furthermore, a gap is formed between the two side walls along the length of the housing 51 and their adjacent side walls, which is suitable for the passage of the membrane material 100, so that the membrane material 100 can move sequentially along the inner side of the two side walls along the width of the housing 51.

[0179] likeFigure 21 As shown, the baking assembly 5 further comprises an exhaust component 53. The exhaust component 53 is in communication with the box 51, and is used to drive the flow of exhaust gas and / or smoke in the box 51 to exhaust the exhaust gas and / or smoke out of the box 51. When the film 100 is baked, the solvent in the ink of the printed pattern will volatilize, and exhaust gas or smoke will be generated. If the exhaust gas and / or smoke is not exhausted in time, the baking assembly 5 will be corroded. The exhaust component 53 can quickly exhaust the exhaust gas and / or smoke in the box 51, and avoid damage to the components in the box 51.

[0180] Further, the exhaust component 53 comprises a first fan 531, a first exhaust pipe 532, and a second exhaust pipe 533. The first fan 531 is arranged outside the box 51, the first exhaust pipe 532 is arranged in the box 51, and one end of the first exhaust pipe 532 is in communication with the first fan 531. The second exhaust pipe 533 is arranged in the box 51, one end of the second exhaust pipe 533 is in communication with the box 51, and the other end of the second exhaust pipe 533 is in communication with the outside of the box 51. The other end of the first exhaust pipe 532 is inserted into one end of the second exhaust pipe 533, and the inner diameter of the first exhaust pipe 532 is smaller than the inner diameter of the second exhaust pipe 533, so that there is a flow passage between the outer surface of the first exhaust pipe 532 and the inner pipe of the second exhaust pipe 533.

[0181] The first fan 531 comprises an air inlet and an air outlet. The air inlet is in communication with one end of the first exhaust pipe 532, and the air outlet is in communication with the outside of the box 51. When the baking assembly 5 needs to exhaust, the first fan 531 is turned on, and the gas in the first exhaust pipe 532 flows to the first fan 531, so that a low pressure is formed in the first exhaust pipe 532. The exhaust gas and / or smoke in the box 51 can quickly flow to the first exhaust pipe 532, and then flow to the second exhaust pipe 533 through the first exhaust pipe 532, and then be discharged to the outside of the box 51. The other end of the second exhaust pipe 533 can be in communication with an external exhaust gas purification device, so as to purify the discharged exhaust gas and improve environmental protection.

[0182] Further, the first exhaust pipe 532 and the second exhaust pipe 533 are coaxially arranged. The first exhaust pipe 532 and the second exhaust pipe 533 are respectively connected to the box 51, and the non-connected ends of the first exhaust pipe 532 and the second exhaust pipe 533 are respectively arranged in the two side walls of the box 51 in the length direction, which improves the compactness of the baking equipment 01 to a certain extent, and reduces the volume of the baking equipment 01.

[0183] As Figure 19 and Figure 20As shown, in some embodiments, the bottom of the box 51 is formed with an air supply port 511, and the air exhaust component 53 further comprises a second air fan 54 arranged at the bottom of the box 51 for supplying air into the box 51. The first air exhaust pipe 532 and the second air exhaust pipe 533 are arranged at the upper portion of the box 51, and the second air fan 54 supplies air into the box 51 through the air supply port 511 at the bottom of the box 51, which can accelerate the flow speed of the gas in the box 51, so that the exhaust gas or smoke generated in the box 51 can be discharged to the external tail gas purification device through the first air exhaust pipe 532 and the second air exhaust pipe 533 more quickly.

[0184] In some embodiments, two second air fans 54 are arranged side by side along the bottom of the box 51 to meet the gas circulation requirements in the box 51.

[0185] As shown in Figure 8 and Figure 20 To avoid damage to the film material 100 caused by the heating element 52, the baking assembly 5 further comprises an isolation box 55 arranged in the box 51 and covering the heating element 52, so that the heating element 52 is isolated from the film material 100, and the film material 100 is not damaged by the heating element 52 when passing through the baking assembly 5.

[0186] In some embodiments, the wall of the isolation box 55 is in a mesh shape. The mesh-shaped isolation box 55 does not affect the heating effect of the heating element 52, so that the heat generated by the heating element 52 can be evenly dissipated to the outside of the isolation box 55 to dry the film material 100 and ensure the drying effect of the film material 100.

[0187] In other embodiments, the wall of the isolation box 55 can also be provided with a plurality of through holes, and the heat generated by the heating element 52 can be dissipated to the outside of the isolation box 55 through the through holes to dry the film material 100.

[0188] As shown in Figure 20 Further, to reduce the heat loss in the baking assembly 5 and avoid the influence of the heat generated by the baking assembly 5 on other components of the baking equipment 01, the outer wall of the box 51 is provided with a heat insulation layer 512 and a thermal insulation material layer 513. The heat insulation layer 512 is arranged on the inner side of the thermal insulation material layer 513.

[0189] The thermal insulation material layer 513 is located on the outer side of the heat insulation layer 512, which can reduce the heat loss inside the box 51. The heat insulation layer 512 is made of high-efficiency heat insulation material and has excellent heat insulation performance, which can effectively isolate the heat exchange between the box 51 and the external environment. The thermal insulation material layer 513 further enhances the heat preservation effect of the box 51, so that the temperature inside the box 51 is more stable, and the heat insulation effect between the inner side of the box 51 and the outer side of the box 51 is improved.

[0190] In some embodiments, the heat insulation layer 512 can be formed by covering the outer wall of the box 51 with an aluminum foil cover. The aluminum foil material has good high reflectivity and deformability, and can reduce heat transfer by reflecting most of the radiant heat. In addition, the aluminum oxide film formed on the surface of the aluminum foil further enhances its reflective performance and corrosion resistance. The good deformability of the aluminum foil makes it easier to fit on the surface of the box 51, ensuring the heat insulation effect.

[0191] The heat preservation layer 513 can be formed by covering the outer side of the heat insulation layer 512 with a product made of a material with a low thermal conductivity, such as mineral wool, rock wool, glass wool, and asbestos. The heat preservation layer 513 can be fixed to the side wall of the box 1 by screws or other connecting elements, or adhered to the outer side of the heat insulation layer 512. The above-mentioned materials have good heat preservation and insulation effects, and have certain corrosion resistance, ensuring a good service life.

[0192] Further, the inner wall of the box 51 is formed with a mirror layer 514 covering the inner wall of the box 51. The mirror layer 514 produces thermal radiation on the hot air, reducing heat loss.

[0193] Specifically, the mirror layer 514 can be formed on the two inner side walls opposite in the width direction of the box 51. The mirror layer 514 can reflect heat to the film material 100 located inside the box 51, improving the baking effect of the film material 100. Further, the mirror layer 514 can be formed by plating a metal matrix with high gloss and strong reflectivity on the inner wall of the box 51. For example, the metal matrix can be one of aluminum and nickel.

[0194] Further, to avoid overheating of the second conveying module 421 and affect its service life, a plurality of cooling fans are connected to the outer side of the box 51. The air outlet direction of the cooling fans can be directed towards the second conveying module 421 to accelerate the air flow speed on the surface of the second conveying module 421, thereby improving the cooling effect of the second conveying module 421.

[0195] In summary, the present application sets a heating element in the box, the heat generated by the heating element can be conducted to the opposite sides in the width direction of the box, and the conveying assembly at least surrounds the opposite sides in the width direction of the box, so that the film material can pass through the opposite sides in the width direction of the box in turn, i.e. the film material can pass through two heating surfaces of the box in turn, which prolongs the trajectory of the film material passing through the baking assembly, improves the baking efficiency, and further, the heating element is distributed along the height direction of the box, which effectively improves the space layout of the whole machine and improves the compactness of the equipment. The first exhaust pipe and the second exhaust pipe with different pipe diameters and axial connection are used for the exhaust component, and the first fan is connected with the first exhaust pipe to perform air extraction in the first exhaust pipe, so that the exhaust gas and smoke in the box can flow quickly to the first exhaust pipe, improving the exhaust speed of the exhaust gas and smoke in the box.

[0196] It can be understood that, for those skilled in the art, equivalent replacements or changes can be made according to the technical solutions and the application concepts of the present application, and all these changes or replacements shall fall within the protection scope of the claims attached to the present application.

Claims

1. A toasting apparatus, characterised in that, The baking equipment is used for baking a film material, and comprises a baking assembly and a conveying assembly; The baking assembly comprises a box and at least one heating element, the heating element is arranged in the box, and heat generated by the heating element can be conducted to opposite sides of the box in a width direction; The conveying assembly is used for conveying the film material, and at least surrounds the opposite sides of the box, so that the film material can pass through the opposite sides of the box in sequence.

2. The toasting apparatus of claim 1, wherein The baking assembly further comprises: An exhaust component in communication with the box, used for driving exhaust gas and / or smoke in the box to flow, so as to exhaust the exhaust gas and / or smoke.

3. The toasting apparatus of claim 2, wherein, The exhaust component comprises: A first fan arranged outside the box; A first exhaust pipe penetrating the box, one end of the first exhaust pipe being in communication with the first fan; A second exhaust pipe penetrating the box, one end of the second exhaust pipe being in communication with the box, and the other end of the second exhaust pipe being in communication with the outside of the box, the other end of the first exhaust pipe being inserted into one end of the second exhaust pipe, the inner diameter of the first exhaust pipe being smaller than the inner diameter of the second exhaust pipe, so that there is a flow passage between the outer surface of the first exhaust pipe and the inner pipeline of the second exhaust pipe.

4. The toasting apparatus of claim 3, wherein The first exhaust pipe and the second exhaust pipe are coaxially arranged.

5. The toasting apparatus according to any one of claims 2 to 4, characterized in that, The exhaust component further comprises a second fan arranged at the bottom of the box, used for supplying air into the box.

6. The toasting apparatus according to any one of claims 1 to 4, wherein The heating element is provided with a plurality of heating elements; The plurality of heating elements are spaced apart along the height direction of the box; or The plurality of heating elements comprise at least two first heating elements and at least two second heating elements, the first heating elements are fixed in the box and extend along the length direction of the box, at least one of the first heating elements is close to the upper part of the box, and at least one of the first heating elements is close to the lower part of the box; in the height direction of the box, the second heating elements are arranged between the two first heating elements and extend along the height direction of the box, at least one of the second heating elements is close to one side of the box in the length direction, and at least one of the second heating elements is close to the other side of the box in the length direction.

7. The toasting apparatus according to any one of claims 1 to 4, wherein The baking assembly further comprises an isolation box arranged in the box and covering the heating element, the isolation box has a grid; and / or The baking assembly further comprises a heat insulation layer arranged on the outside of the box and a heat preservation layer arranged on the outside of the heat insulation layer; and / or The baking assembly further comprises a mirror layer arranged on the box, the mirror layer covers the inner wall of the box.

8. The toasting apparatus according to any one of claims 1 to 4, wherein The conveying assembly comprises at least two conveying belts, one of the conveying belts is arranged on one side of the box in the length direction, and one of the conveying belts is arranged on the other side of the box in the length direction.

9. The toasting apparatus according to any one of claims 1 to 4, wherein The conveying assembly comprises a driving subassembly, a first conveying subassembly and a second conveying subassembly, the driving subassembly comprises a driving member and a transmission component, the driving member is connected with the transmission component, the first conveying subassembly and the second conveying subassembly are respectively in transmission connection with the transmission component, so that the transmission component synchronously drives the first conveying subassembly and the second conveying subassembly to move, the first conveying subassembly and the second conveying subassembly are at least partially arranged close to each other, so that the film material can be transferred from the first conveying subassembly to the second conveying subassembly, and the second conveying subassembly at least surrounds the opposite two sides of the box body.

10. A printing system, characterized by, Comprise: a printer for printing a pattern on a film material; and the baking equipment as claimed in claims 1 to 9, which is used for receiving the film material output by the printer and baking.

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