Die cutting apparatus

Abstract

The utility model discloses a die -cutting equipment, include: set conveying assembly, composite subassembly, primary die -cutting subassembly, recovery subassembly, secondary die -cutting subassembly, step distance detection subassembly in proper order along the conveying direction, conveying assembly includes the first conveying belt who can convey along the conveying direction, the composite subassembly includes the base tape, and is used for the composite base tape to the first conveying belt, primary die -cutting subassembly is used for cutting base tape to be semi -finished product tape and waste tape, recovery subassembly is used for recycling waste tape, and forms waste roll, and waste roll has the correction state, secondary die -cutting subassembly is used for cutting semi -finished product tape to be finished product, step distance detection subassembly is used for detecting the actual step distance of conveying assembly, wherein, waste roll is configured as: in the correction state, set up in conveying assembly, and can pay off waste tape along the conveying direction, and step distance detection subassembly detects the actual step distance of conveying assembly through waste tape.

Description

TECHNICAL FIELD

[0001] The utility model relates to the die cutting field, especially die cutting equipment. BACKGROUND

[0002] Similar to the U-shaped substrate-free foam product, the inner frame waste area is large, which leads to very low utilization rate of die cutting material under conventional process. In the related technology, the traditional processing flow adopts standard die cutting technology, first splicing the shape of the release film and the glue-free area (in order to discharge the waste of the internal frame), then compounding the foam and the glue layer. In the raw material, the substrate-free foam is directly laid and compounded as a whole. After completing the full perforation, the waste is discharged from below, and the waste in the middle is discharged from above. Finally, the paper is pasted and wound. The inner frame waste cannot be utilized, and the utilization rate of the main material is only 11%. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides a die cutting equipment, which can improve material utilization and equipment precision.

[0004] The die cutting equipment according to the utility model embodiment comprises:

[0005] The conveying assembly, the compounding assembly, the primary die cutting assembly, the recycling assembly, the secondary die cutting assembly and the step distance detection assembly are sequentially arranged along the conveying direction.

[0006] The conveying assembly comprises a first conveying belt capable of conveying along the conveying direction.

[0007] The compounding assembly comprises a base belt and is used for compounding the base belt to the first conveying belt.

[0008] The primary die cutting assembly is used for slitting the base belt into a semi-finished product belt and a waste belt.

[0009] The recycling assembly is used for recycling the waste belt and forming a waste roll, and the waste roll has a correction state.

[0010] The secondary die cutting assembly is used for cutting the semi-finished product belt into a finished product.

[0011] The step distance detection assembly is used for detecting the actual step distance of the conveying assembly.

[0012] The waste roll is configured to be arranged on the conveying assembly in the correction state and capable of unwinding the waste belt along the conveying direction, and the step distance detection assembly detects the actual step distance of the conveying assembly through the waste belt.

[0013] The die-cutting equipment has at least the following beneficial effects: waste material belts are separated from semi-finished product belts in the production process, and the waste material belts are wound into waste material rolls; after the semi-finished products are processed into finished products, the waste material belts are re-conveyed along the conveying direction; the step distance detection assembly detects the actual step distance of the conveying assembly after the waste material belts pass through the secondary die-cutting assembly, so that the operator knows the error value between the actual step distance and the set step distance of the conveying device, the operator can adjust the set step distance of the conveying device, and the error between the set step distance and the actual step distance of the conveying assembly is eliminated, so that the conveying precision of the conveying assembly is higher; meanwhile, the waste material belts are used as waste, and the material utilization efficiency is greatly improved.

[0014] According to some embodiments of the present application, the recycling assembly comprises a recycling unwinding roller, a separating pair of rollers, a recycling winding roller, and a second conveying belt provided between the recycling unwinding roller and the recycling winding roller and passing through the separating pair of rollers, the first conveying belt passes through the separating pair of rollers, and the second conveying belt is combined with the waste material belt.

[0015] According to some embodiments of the present application, the secondary die-cutting assembly comprises an adhering unwinding roller, an adhering roller, an adhering recycling roller, and an adhering belt provided between the adhering unwinding roller and the adhering recycling roller and passing through the adhering roller, the adhering belt is used for adhering the waste material after the semi-finished product belt is cut.

[0016] According to some embodiments of the present application, the die-cutting equipment further comprises a paper sticker combining assembly and a paper sticker die-cutting assembly, the step distance detection assembly, the paper sticker combining assembly, and the paper sticker die-cutting assembly are sequentially arranged along the conveying direction, the paper sticker combining assembly comprises a hard paper sticker belt and is used for combining the paper sticker belt to the semi-finished product belt, and the paper sticker die-cutting assembly is used for cutting the paper sticker belt into a paper sticker corresponding to the finished product.

[0017] According to some embodiments of the present application, the die-cutting equipment further comprises a first face paper assembly provided on the primary die-cutting assembly, the face paper assembly comprises a first face paper belt, the primary die-cutting assembly comprises a primary die-cutting head, and the first face paper belt is provided between the primary die-cutting head and the base belt.

[0018] According to some embodiments of the present application, the die-cutting equipment further comprises a second face paper assembly provided on the secondary die-cutting assembly, the face paper assembly comprises a second face paper belt, the secondary die-cutting assembly comprises a secondary die-cutting head, and the second face paper belt is provided between the secondary die-cutting head and the base belt.

[0019] According to some embodiments of the present application, the die-cutting equipment further comprises:

[0020] A separation assembly is sequentially arranged along the conveying direction, and is configured to separate the finished product from the first conveying belt.

[0021] According to some embodiments of the present application, the die-cutting device further comprises a collection box arranged at the end of the separation assembly along the conveying direction and configured to collect the finished product.

[0022] According to some embodiments of the present application, the base band comprises a base material band, a main material band and a glue layer band sequentially compounded in a direction away from the first conveying belt.

[0023] According to some embodiments of the present application, the compounding assembly comprises a primary compounding assembly and a secondary compounding assembly, the primary compounding assembly being configured to compound the base material band to the first conveying belt, and the secondary compounding assembly being configured to compound the main material band and the glue layer band to the base material band.

[0024] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be learned from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0025] The present application will be further described below in conjunction with the drawings and embodiments, wherein:

[0026] Figure 1 is a disassembled view of the finished product;

[0027] Figure 2 is a structure schematic view of the die-cutting device according to an embodiment of the present application;

[0028] Figure 3 is a flowchart of the die-cutting device processing finished product according to an embodiment of the present application;

[0029] REFERENCE NUMERALS

[0030] Waste area 10; finished product area 20;

[0031] Conveying assembly 100; first conveying belt 110;

[0032] Compounding assembly 200; base band 210; base material band 211; main material band 212; glue layer band 213; semi-finished product band 220; waste material band 230; adhesive unwinding roller 240; adhesive roller 250; adhesive recovery roller 260; adhesive band 270; primary compounding assembly 280; secondary compounding assembly 290;

[0033] Primary die-cutting assembly 300;

[0034] Recovery assembly 400; recovery unwinding roller 410; separation counter roller 420; recovery winding roller 430; second conveying belt 440;

[0035] Secondary die-cutting assembly 500;

[0036] Sticker composite assembly 600; sticker belt 610;

[0037] Sticker die-cutting assembly 700;

[0038] First face paper assembly 800; first face paper belt 810; first face paper unwinding roller 820; first face paper winding roller 830; first face paper abutting roller 840;

[0039] Second face paper assembly 900; second face paper belt 910;

[0040] Separation assembly A00;

[0041] Collection box B00. DETAILED DESCRIPTION

[0042] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar reference numbers represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0043] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0044] In the description of the present application, several means one or more than one, and multiple means two or more than two. If there is a description of first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0045] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0046] In related technologies, the traditional processing flow uses standard die-cutting technology. First, the outer shape of the release film is spliced ​​with the adhesive-free area (to facilitate the removal of waste from the internal frame). Then, the foam is laminated with the adhesive layer. In the raw materials, the substrate-free foam is directly laid and laminated as a whole. After full perforation is completed, waste is discharged from the bottom, while waste in the middle is discharged from the top. Finally, paper is attached and the film is rolled up. The waste from the inner frame cannot be utilized, and the utilization rate of the main material is only 11%.

[0047] Among them, reference Figure 1 As shown, waste area 10 is the shaded area in the figure, and finished product area 20 is the remaining area. Finished product area 20 is basically in the shape of a door frame, and the shaded area within the door frame is waste area 10. Only the door frame-shaped finished product area 20 is the required product, which means that most of the main material becomes waste after cutting, resulting in a very low material utilization rate. Furthermore, in related technologies, foam and adhesive layers are directly die-cut to form individual finished products, resulting in a maximum of multiple individual finished products.

[0048] Reference Figure 2 and Figure 3 As shown in the figure, this utility model embodiment proposes a die-cutting device, including: a conveying assembly 100, a composite assembly 200, a primary die-cutting assembly 300, a recycling assembly 400, a secondary die-cutting assembly 500, and a step distance detection assembly arranged sequentially along the conveying direction; the conveying assembly 100 includes a first conveyor belt 110 capable of conveying along the conveying direction; the composite assembly 200 includes a base belt 210 and is used to composite the base belt 210 to the first conveyor belt 110; the primary die-cutting assembly 300 is used to cut the base belt 210 into half. The conveyor assembly 100 includes a finished product belt 220 and a waste belt 230; a recycling component 400 is used to recycle the waste belt 230 and form a waste roll, which has a correction state; a secondary die-cutting component 500 is used to cut the semi-finished product belt 220 into a finished product; and a pitch detection component is used to detect the actual pitch of the conveyor assembly 100. The waste roll is configured such that, in the correction state, it is located on the conveyor assembly 100 and can be unwound along the conveying direction. The pitch detection component detects the actual pitch of the conveyor assembly 100 through the waste belt 230.

[0049] The conveying direction refers to the direction of conveying raw materials into finished products.

[0050] It is worth understanding that the waste strip 230 is separated from the semi-finished product strip 220 in the production process, and the waste strip 230 is wound into a waste roll. After the semi-finished product is processed into a finished product, the waste strip 230 is re-conveyed in the conveying direction. The step detection assembly detects the actual step distance of the conveying assembly 100 after the waste strip 230 passes through the secondary die-cutting assembly 500, so that the operator knows the error value between the actual step distance and the set step distance of the conveying device, and the operator can adjust the set step distance of the conveying device, thereby eliminating the error between the set step distance and the actual step distance of the conveying assembly 100, and the conveying precision of the conveying assembly 100 is higher. At the same time, the waste strip 230 is used for waste, which greatly improves the material utilization efficiency.

[0051] In the embodiment, the first conveying belt 110 sequentially passes through the composite assembly 200, the primary die-cutting assembly 300, the recycling assembly 400, the secondary die-cuting assembly 500, and the step detection assembly in the conveying direction, and corresponding processing is performed. The specific processing flow is as follows:

[0052] When the first conveying belt 110 passes through the composite assembly 200, the first conveying belt 110 composites with the base strip 210, and the base strip 210 is moved by the first conveying belt 110;

[0053] When the first conveying belt 110 passes through the primary die-cutting assembly 300, the base strip 210 on the first conveying belt 110 is cut into the semi-finished product strip 220 and the waste strip 230;

[0054] When the first conveying belt 110 passes through the recycling assembly 400, the waste strip 230 is separated from the first conveying belt 110 and recycled into a waste roll;

[0055] When the first conveying belt 110 passes through the secondary die-cutting assembly 500, the semi-finished product strip 220 is processed into a finished product.

[0056] When the first conveying belt 110 conveys the base strip 210 and the processing is completed, the conveying roll of the conveying device conveying the first conveying belt 110 is replaced with a waste roll, so that the conveying device unwinds the waste roll into a waste strip 230. The waste strip 230 sequentially passes through the composite assembly 200, the primary die-cutting assembly 300, the recycling assembly 400, the secondary die-cutting assembly 500, and the step detection assembly in the conveying direction.

[0057] When the waste strip 230 passes through the secondary die-cutting assembly 500, the waste strip 230 is die-cut by the secondary die-cutting assembly 500.

[0058] When the waste strip 230 passes through the step detection assembly, if the set step distance of the conveying assembly 100 is consistent with the actual step distance, the secondary die-cutting assembly 500 should be directly cut at the notch position of the waste strip 230, without cutting on the waste strip 230, and the waste strip 230 can still remain intact after passing through the secondary die-cutting assembly 500. Similarly, if the set step distance of the conveying assembly 100 is inconsistent with the actual step distance, the secondary die-cutting assembly 500 will directly cut on the waste strip 230, so that the waste strip 230 is damaged. The step detection assembly can detect the damaged position of the waste strip 230 to determine that there is an error between the set step distance and the actual step distance, and the operator can adjust according to the error, or the die-cutting equipment can automatically adjust according to the error.

[0059] Referring to Figure 2 With Figure 3 As shown in the utility model, in some specific embodiments of the utility model, the recycling assembly 400 includes a recycling unwinding roller 410, a separating pair of rollers 420, a recycling winding roller 430, and a second conveying belt 440 provided between the recycling unwinding roller 410 and the recycling winding roller 430 and passing through the separating pair of rollers 420. The first conveying belt 110 passes through the separating pair of rollers 420, and the second conveying belt 440 is compounded with the waste strip 230, and the first conveying belt 110 is compounded with the semi-finished product strip 220.

[0060] Specifically, the second conveying belt 440 and the waste strip 230 are compounded by the separating pair of rollers 420, so that the waste strip 230 moves together with the second conveying belt 440 until they are wound together as a waste roll. In this embodiment, the first conveying belt 110 and the second conveying belt 440 are both low-adhesion, such as release film.

[0061] Referring to Figure 2 As shown in the utility model, in some specific embodiments of the utility model, the secondary die-cutting assembly 500 includes an adhesive unwinding roller 240, an adhesive roller 250, an adhesive recycling roller 260, and an adhesive belt 270 provided between the adhesive unwinding roller and the adhesive recycling roller 260 and passing through the adhesive roller 250. The adhesive belt 270 is used to adhere the waste after the semi-finished product strip 220 is cut.

[0062] Specifically, the waste generated when the semi-finished product strip 220 is cut to form a finished product is adhered by the adhesive belt 270, so that the waste is separated from the semi-finished product, the semi-finished product forms a complete finished product, and when the semi-finished product strip 220 is cut again, the waste and the semi-finished product are directly separated, making the formation of the finished product more efficient.

[0063] In this embodiment, the finished product includes multiple through holes, which are rectangular or circular in shape. The secondary die-cutting component 500 cuts through the base belt 210 and the first conveyor belt 110 to form through holes on the base belt 210. The cut waste material is attached to the adhesive tape 270, so that the waste material and the adhesive tape 270 are combined to realize the finished product with through holes on the semi-finished product, thereby obtaining the finished product.

[0064] Reference Figure 2 As shown, in some specific embodiments of this utility model, the die-cutting equipment further includes: a sticker composite component 600 and a sticker die-cutting component 700. The step distance detection component, the sticker composite component 600, and the sticker die-cutting component 700 are arranged sequentially along the conveying direction. The sticker composite component 600 includes a rigid sticker strip 610 and is used to composite the sticker strip 610 to the semi-finished product strip 220. The sticker die-cutting component 700 is used to cut the sticker strip 610 into stickers corresponding to the finished product.

[0065] It should be noted that because the baseband 210 has a layered structure and is relatively soft, the finished product is inconvenient to store and transport, and is prone to folding, which can lead to defects.

[0066] In this embodiment, by bonding a rigid sticker to the finished product, the sticker can effectively support the finished product, making it less prone to deformation. This makes the storage, handling, and subsequent transportation of the finished product more convenient. Furthermore, the finished product is less likely to be damaged, effectively preventing good products from becoming defective products and improving the overall yield rate of the finished product.

[0067] Reference Figure 2 and Figure 3 As shown, in some specific embodiments of this utility model, the base belt 210 includes a substrate belt 211, a main material belt 212, and an adhesive layer belt 213 sequentially laminated along a direction away from the first conveyor belt 110. In this embodiment, the substrate belt 211 is a cover belt, the main material belt 212 is a foam belt, and the adhesive layer belt 213 is a double-sided adhesive tape. It should be noted that a cover is a die-cut product with specific functions and shapes, mainly used as a lid to seal or lock.

[0068] Furthermore, the composite component 200 includes a primary composite component 280 and a secondary composite component 290. The primary composite component 280 is used to composite the substrate belt 211 to the first conveyor belt 110, and the secondary composite component 290 is used to composite the main material belt 212 and the adhesive layer belt 213 to the substrate belt 211.

[0069] The primary composite assembly 280 comprises a base material unwinding roller, a base material roll and a primary composite roller, the base material roll is arranged on the base material unwinding roller and unwound into a base material belt 211 through the base material unwinding roller, the base material belt 211 and the first conveying belt 110 pass through the primary composite roller and are integrated through the primary composite roller.

[0070] The secondary composite assembly 290 comprises a main material unwinding roller, a glue layer unwinding roller, a main material roll, a glue layer roll and a secondary composite roller, the main material roll is arranged on the main material unwinding roller and unwound into a main material belt 212 through the main material unwinding roller, the glue layer roll is arranged on the glue layer unwinding roller and unwound into a glue layer belt 213 through the glue layer unwinding roller, the first conveying belt 110, the base material belt 211, the main material belt 212 and the glue layer belt 213 pass through the secondary composite roller and are integrated through the secondary composite roller.

[0071] Referring to Figure 2 In some specific embodiments of the utility model, the die cutting device further comprises a first face paper assembly 800 arranged on the primary die cutting assembly 300, the face paper assembly has a first face paper belt 810, and the primary die cutting assembly 300 has a primary die cutting head, and the first face paper belt 810 is arranged between the primary die cutting head and the base belt 210.

[0072] It should be noted that the surface of the base belt 210 is a glue layer, and the combination of the base belt 210 and the first conveying belt 110 is not tight, so that when the primary die cutting head cuts the base belt 210, the glue layer adheres to the primary die cutting head, thereby separating the base belt 210 from the first conveying belt 110, and the base belt 210 is bulged, which affects the subsequent processing.

[0073] In the embodiment, the first face paper belt 810 is arranged between the primary die cutting head and the base belt 210, thereby reducing the possibility of the primary die cutting head adhering to the base belt 210, making the die cutting of the primary die cutting head more smooth, and being more conducive to the continuity of the processing of the primary die cutting head, thereby improving the production efficiency and production quality. The first face paper belt 810 is release paper, the connection strength between the first face paper belt 810 and the glue layer is low, and the first face paper belt 810 is more easily separated from the glue layer. The first face paper assembly 800 comprises a first face paper unwinding roller 820, a first face paper winding roller 830 and a first face paper abutting roller 840, the first face paper belt 810 is arranged between the first face paper unwinding roller 820 and the first face paper winding roller 830, and the first face paper belt 810 abuts against the base belt 210 through the first face paper abutting roller 840.

[0074] Referring to Figure 2As shown in some specific embodiments of the utility model, the die cutting equipment further comprises: a second face paper assembly 900, which is arranged at the secondary die cutting assembly 500, and the face paper assembly has a second face paper tape 910, and the secondary die cutting assembly 500 has a secondary die cutting head, and the second face paper tape 910 is arranged between the secondary die cutting head and the base tape 210.

[0075] In the embodiment, the second face paper tape 910 plays the same role as the first face paper tape 810, except that the second face paper tape 910 is spaced from the secondary die cutting head and the base tape 210, which is different from the first face paper tape 810. The structure of the second face paper assembly 900 and the first face paper assembly 800 is basically the same, and will not be repeated here.

[0076] Referring to Figure 2 As shown in some specific embodiments of the utility model, the die cutting equipment further comprises: a separation assembly A00, which is arranged in sequence along the conveying direction with the step detection assembly and the separation assembly A00, and the separation assembly A00 is used for separating the finished product from the first conveying belt 110.

[0077] It is worth understanding that at the conveying end of the first conveying belt 110, the finished product has been formed, at this time, the finished product needs to be separated from the first conveying belt 110, and then the individual finished product is obtained, so as to facilitate the storage and later transfer of the finished product.

[0078] In the embodiment, the first conveying belt 110 comprises a turning position, at the turning position, the first conveying belt 110 is turned from horizontal conveying to conveying towards the ground, so that the first conveying belt 110 forms an angle with the finished product in the horizontal state at the turning position, and the finished product is more easily separated from the first conveying belt 110. At the same time, the separation assembly A00 is butt jointed to the turning position of the first conveying belt 110 in the horizontal direction, so that the separation assembly A00 moves the finished product in the horizontal direction, and then completely separates from the first conveying belt 110 moving towards the ground, thereby improving the separation efficiency and separation reliability.

[0079] Referring to Figure 2 As shown in some specific embodiments of the utility model, the die cutting equipment further comprises: a collection box B00, which is arranged at the end of the separation assembly A00 along the conveying direction and is used for collecting the finished product.

[0080] It is worth understanding that the finished product will fall into the collection box B00 at the end of the conveying direction and be collected by the collection box B00, so as to facilitate the arrangement and storage of the finished product, and the overall transfer of the subsequent finished product is more convenient.

[0081] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range that the person skilled in the art has possesses without departing from the utility model's tenet under the precondition that the utility model is not limited to the above -mentioned embodiment.

Claims

1. A die cutting apparatus characterized by, The application relates to a cutting device. The cutting device comprises a conveying assembly, a composite assembly, a primary cutting assembly, a recycling assembly, a secondary cutting assembly and a step distance detecting assembly arranged in sequence along a conveying direction. The conveying assembly comprises a first conveying belt capable of conveying along the conveying direction. The composite assembly comprises a base belt and is used for compounding the base belt to the first conveying belt. The primary cutting assembly is used for cutting the base belt into a semi-finished product belt and a waste belt. The recycling assembly is used for recycling the waste belt and forming a waste roll, and the waste roll has a correction state. The secondary cutting assembly is used for cutting the semi-finished product belt into a finished product. The step distance detecting assembly is used for detecting the actual step distance of the conveying assembly. The waste roll is arranged on the conveying assembly in the correction state and can unwind the waste belt along the conveying direction, and the step distance detecting assembly detects the actual step distance of the conveying assembly through the waste belt.

2. The die cutting apparatus of claim 1, wherein: The recycling assembly comprises a recycling unwinding roller, a separating roller pair, a recycling winding roller and a second conveying belt arranged between the recycling unwinding roller and the recycling winding roller and penetrating the separating roller pair, the first conveying belt penetrates the separating roller pair, the second conveying belt is compounded with the waste belt, and the first conveying belt is compounded with the semi-finished product belt.

3. The die cutting apparatus of claim 1, wherein: The secondary cutting assembly comprises an adhesive unwinding roller, an adhesive roller, an adhesive recycling roller and an adhesive belt arranged between the adhesive unwinding roller and the adhesive recycling roller and penetrating the adhesive roller, and the adhesive belt is used for adhering the waste belt after cutting of the semi-finished product belt.

4. The die cutting apparatus of claim 1, wherein, The cutting device further comprises a paper label compounding assembly and a paper label cutting assembly, the step distance detecting assembly, the paper label compounding assembly and the paper label cutting assembly are arranged in sequence along the conveying direction, the paper label compounding assembly comprises a hard paper label belt and is used for compounding the paper label belt to the semi-finished product belt, and the paper label cutting assembly is used for cutting the paper label belt into a paper label corresponding to the finished product.

5. The die cutting apparatus of claim 1, wherein, The cutting device further comprises a first face paper assembly arranged on the primary cutting assembly, the face paper assembly has a first face paper belt, and the primary cutting assembly has a primary cutting head, the first face paper belt is arranged between the primary cutting head and the base belt.

6. The die cutting apparatus of claim 1, wherein, The cutting device further comprises a second face paper assembly arranged on the secondary cutting assembly, the face paper assembly has a second face paper belt, and the secondary cutting assembly has a secondary cutting head, the second face paper belt is arranged between the secondary cutting head and the base belt.

7. The die cutting apparatus of claim 1, wherein, The cutting device further comprises: A separating assembly arranged in sequence along the conveying direction with the step distance detecting assembly, the separating assembly is used for separating the finished product from the first conveying belt.

8. The die cutting apparatus of claim 7, wherein, The cutting device further comprises a collection box arranged at the end of the separating assembly along the conveying direction and used for collecting the finished product.

9. The die cutting apparatus of claim 1, wherein: The base belt comprises a base material belt, a main material belt and a glue layer belt compounded in sequence along a direction away from the first conveying belt.

10. The die cutting apparatus of claim 9, wherein: The composite assembly comprises a primary compounding assembly and a secondary compounding assembly, the primary compounding assembly is used for compounding the base material belt to the first conveying belt, and the secondary compounding assembly is used for compounding the main material belt and the glue layer belt to the base material belt.

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