A knifeless transfer system and a processing method thereof

The bladeless transfer system uses elastic positioning posts on steel rollers to precisely position and clamp the material strip. Combined with the die-cutting roller and the main rotary die roller, it enables rapid transfer of products, solving the problems of inaccurate positioning and material waste in the bladeless transfer of satellite-type rotary die-cutting machines, reducing production costs and improving efficiency.

CN116852455BActive Publication Date: 2025-12-16DONGGUAN SIXPURE INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202310660109.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-06
Publication Date
2025-12-16
Estimated Expiration
2043-06-06

AI Technical Summary

Technical Problem

Satellite-type rotary die-cutting machines have inaccurate positioning and consume a lot of transfer material when there is no die mark transfer, resulting in high production costs.

Method used

The system employs a bladeless transfer system, utilizing elastic positioning posts on steel rollers to precisely position and clamp the material strip. Combined with die-cutting rollers and circular main rollers, it enables rapid transfer of products, reducing the use of transfer consumables.

Benefits of technology

It enables precise product positioning and efficient cutting and re-attaching, reducing re-attachment costs and material usage, and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN116852455B_ABST
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Abstract

The application provides a no-cutting-mark transfer system and a processing method thereof. The no-cutting-mark transfer system comprises a supporting seat, a tool rest and a circular knife main roller. The tool rest is rotatably installed above the supporting seat. The tool rest is in a circular structure. The circular knife main roller is rotatably installed in the tool rest and coaxially arranged with the tool rest. A plurality of clamping seats with the same structure are annularly arranged on the outer side of the tool rest along the axis of the tool rest. A transfer circular knife assembly is installed on one group of clamping seats. The transfer circular knife assembly comprises a die-cutting knife roller and a steel rod. The die-cuting knife roller is rotatably connected above the steel rod. The steel rod is above the circular knife main roller and tangent to the outer side wall of the circular knife main roller. The application provides a no-cutting-mark transfer processing method. Single products on the steel rod are gradually transferred to the transfer film of the circular knife main roller for material collection through the tangent fitting between the circular knife main roller and the steel rod. The no-cutting-mark transfer system can realize accurate positioning and transfer on the circular knife machine. Meanwhile, the no-cutting-mark transfer system can reduce the transfer consumables and the cost of product processing.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of die cutting, in particular to a knife mark free transfer system and a processing method thereof. BACKGROUND

[0002] Satellite type circular knife die cutting machines are widely used in the production of double-sided tape, single-sided tape, protective film, OCA glue and FPC adhesive tape of consumer electronic products. Currently, when using a satellite type circular knife die cutting machine to transfer the products on the material belt without knife marks, it is prone to inaccurate positioning and requires more transfer materials, resulting in high production operation cost. SUMMARY

[0003] The present application aims to provide a knife mark free transfer system and a processing method thereof to solve the technical problems in the background art.

[0004] To achieve the foregoing objects, the present application provides the following technical solutions:

[0005] A knife mark free transfer system comprises a support seat, a knife holder and a circular knife main roller. The knife holder is rotatably installed above the support seat. The knife holder is in a circular structure. The circular knife main roller is rotatably installed in the knife holder and coaxially arranged with the knife holder. A plurality of card seats with the same structure are annularly arranged on the outer side of the knife holder along the axis of the knife holder. A transfer circular knife assembly is installed on one of the card seats. The transfer circular knife assembly comprises a die cutting knife roller and a steel rod. The die cutting knife roller is rotatably connected above the steel rod. The steel rod is above the circular knife main roller and tangent to the outer side wall of the circular knife main roller. The die cutting knife roller and the steel rod are both rotatably connected with the card seat. A pressing roller is arranged on one side of the feeding direction of the steel rod. A material belt passes between the pressing roller and the steel rod. The pressing roller is rotatably connected with the card seat. A plurality of elastic positioning columns are arranged on the steel rod along the circumferential direction of the axis of the steel rod. The bottom end of the elastic positioning column is elastically connected with the steel rod. The surface of the die cutting knife roller is provided with a plurality of protruding knife edges for cutting the material belt. A first air avoidance groove is arranged on the die cutting knife roller corresponding to the position of the elastic positioning column. A second air avoidance groove is arranged on the pressing roller corresponding to the position of the elastic positioning column.

[0006] The front and rear ends of the steel rod are respectively provided with the same elastic positioning column. A receiving groove is arranged on the steel rod for installing the elastic positioning column. The elastic positioning column is retracted into the receiving groove after abutting against the circular knife main roller. The front and rear ends of the die cutting knife roller are respectively provided with a first air avoidance groove corresponding to the position of the elastic positioning column. The first air avoidance groove is between the two knife edges. The front and rear ends of the pressing roller are respectively provided with a second air avoidance groove corresponding to the position of the elastic positioning column.

[0007] The second air avoidance groove is in a ring groove structure. The second air avoidance groove is arranged along the circumferential direction of the axis of the pressing roller.

[0008] A processing method of a knife mark-free transfer system, comprising the following processing steps:

[0009] Step S1, preparing a material belt, the front and rear ends of the material belt are respectively processed with positioning through holes;

[0010] Step S2, conveying the material belt in step S1 to the pressing roller and the steel roller through the feeding shaft, the positioning holes on the material belt are matched with the elastic positioning columns on the steel stick, the pressing roller and the steel stick are pressed together, and the material belt is completely attached and positioned on the steel stick;

[0011] Step S3, while the material belt in step S2 rotates with the steel stick, the blade on the die cutting knife roller cuts the material belt to form a single structure product;

[0012] Step S4, the product cut in step S3 continuously rotates to the round knife main roller with the positioning of the elastic positioning column, the round knife main roller is attached with a transfer film, and when the end surface of the steel stick contacts the end surface of the round knife main roller, the elastic positioning column is extruded and compressed into the accommodation groove of the steel stick, the elastic positioning column is separated from the product, and the product is transferred to the transfer film;

[0013] Step S5, another side of the knife holder is installed with a material collecting roller, and the finished product belt formed by the transferred product is wound and collected by the material collecting roller.

[0014] Compared with the prior art, the knife mark-free transfer system and the processing method thereof have a compact structure layout, the elastic positioning column on the steel stick is used to clamp and rotate the cut product to the round knife main roller for transfer on the round knife machine, the transfer of the knife mark-free product is realized quickly, the use of the transfer pad film is reduced, the product can be directly positioned and attached to the transfer film through the steel stick, the use of transfer consumables is effectively saved, the processing cost of the product is reduced, and the cutting and transfer efficiency of the product is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the application;

[0016] Figure 2 is a structural schematic diagram of the steel stick;

[0017] Figure 3 is a structural schematic diagram of the die cutting knife roller;

[0018] Figure 4 is a structural schematic diagram of the pressing roller;

[0019] Figure 5 is a use state schematic diagram of the application;

[0020] Figure 6 is Figure 5 is an enlarged view of A in

[0021] Figure 7It is a product structure schematic diagram of the application. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the application will be clearly and completely described in connection with the drawings in the embodiments of the application.

[0023] Specific embodiment 1: please refer to Figures 1 to 7 In the embodiments of the application, a no-knife mark transfer system comprises a support seat 1, a tool rest 2 and a circular knife main roller 3. The tool rest 2 is rotatably installed above the support seat 1. The tool rest 2 is in a circular structure. The circular knife main roller 3 is rotatably installed in the tool rest 2 and coaxially arranged with the tool rest 2. A plurality of card seats 201 with the same structure are annularly arranged on the outer side of the tool rest 2 along the axis of the tool rest 2. A transfer circular knife assembly is installed on one of the card seats 201. The transfer circular knife assembly comprises a die-cutting knife roller 4 and a steel rod 5. The die-cutting knife roller 4 is rotatably connected above the steel rod 5. The steel rod 5 is above the circular knife main roller 3 and tangent to the outer side wall of the circular knife main roller 3. The die-cutting knife roller 4 and the steel rod 5 are both rotatably connected with the card seat 201. A pressing roller 6 is arranged on one side of the feeding direction of the steel rod 5. A material belt 8 passes between the pressing roller 6 and the steel rod 5. The pressing roller 6 is rotatably connected with the card seat 201. A plurality of elastic positioning columns 502 are arranged on the steel rod 5 along the circumferential direction of the axis of the steel rod 5. The bottom end of the elastic positioning column 502 is elastically connected with the steel rod 5. The top end of the elastic positioning column 502 is in a conical structure, which facilitates the insertion into the positioning through hole 801801 on the product. The surface of the die-cutting knife roller 4 is provided with a plurality of protruding knife edges 401 for cutting the material belt 8. The die-cutting knife roller 4 is provided with a first avoidance slot 402 corresponding to the position of the elastic positioning column 502. The pressing roller 6 is provided with a second avoidance slot 601 corresponding to the position of the elastic positioning column 502.

[0024] The front and rear ends of the steel rod 5 are respectively provided with the same elastic positioning column 502. The steel rod 5 is provided with a receiving groove 501 for installing the elastic positioning column 502. The elastic positioning column 502 is retracted into the receiving groove 501 after abutting against the circular knife main roller 3. The front and rear ends of the die-cutting knife roller 4 are respectively provided with the first avoidance slot 402 corresponding to the position of the elastic positioning column 502. The first avoidance slot 402 is between the two knife edges 401. When the die-cutting knife roller 4 cuts the material belt 8, the cut product can still be hung on the steel rod 5 through the elastic positioning column 502, and the steel rod 5 continues to rotate.

[0025] The front and rear ends of the pressing roller 6 are respectively provided with the second avoidance slot 601 corresponding to the position of the elastic positioning column 502. In this embodiment, the second avoidance slot 601 is in an annular groove structure and is arranged along the circumferential direction of the axis of the pressing roller 6. When the pressing roller 6 presses the material belt 8, the elastic positioning column 502 on the steel rod 5 can be avoided through the position of the second avoidance slot 601.

[0026] A processing method of a no-knife mark transfer system, please refer toFigures 5 to 7 , comprising the following processing steps:

[0027] Step S1, prepare the material belt 8, the front and rear ends of the material belt 8 are respectively processed with positioning through holes 801, the size of the positioning through holes 801 matches the size of the elastic positioning column 502;

[0028] Step S2, the material belt 8 in step S1 is conveyed between the pressing roller 6 and the steel roller through the feeding shaft 7, the rotating speed of the feeding shaft 7 is synchronous with the circular knife main roller 3 or automatic feeding through sensing material, the positioning hole 801 on the material belt 8 matches the elastic positioning column 502 on the steel stick 5, the elastic positioning column 502 is correspondingly inserted into the positioning hole 801, the material belt 8 is driven to rotate, the pressing roller 6 and the steel stick 5 are pressed together, the material belt 8 is completely attached and positioned on the steel stick 5, and precise positioning feeding of the product is realized;

[0029] Step S3, while the material belt 8 in step S2 rotates with the steel stick 5, the blade 401 on the die-cutting knife roller 4 cuts the material belt 8 to form a single-structure product 802, the single-cut product 802 can be continuously hung on the steel stick 5 through the action of the elastic positioning column 502 and rotate with the steel stick 5;

[0030] Step S4, the product 802 cut in step S3 continuously rotates to the circular knife main roller 3 through the positioning of the elastic positioning column 502, the circular knife main roller 3 is externally attached with a transfer film 9, the elastic positioning column 502 is extruded and compressed into the accommodation groove 501 of the steel stick 5 when the steel stick 5 and the end surface of the circular knife main roller 3 are in contact, the elastic positioning column 502 is separated from the product, the product is transferred to the transfer film 9, and the transfer of the single product is completed;

[0031] Step S5, another side of the knife holder 2 is provided with a material collecting roller, and the finished product belt formed by the transfer of the product is wound by the material collecting roller, and the transfer of the knife-free product is completed.

[0032] Compared with the prior art, the knife-free transfer system and the processing method thereof have the advantages that the structure layout is compact, the elastic positioning column on the steel stick is used to clamp and rotate the cut product to the circular knife main roller on the circular knife machine for transfer, the transfer of the knife-free product is realized quickly, the use of the transfer pad film is reduced, the steel stick is directly positioned and attached to the transfer film, the use of transfer consumables is effectively saved, the processing cost of the product is reduced, and the cutting and transfer efficiency of the product is high.

[0033] It will be apparent to those skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics thereof. The foregoing embodiments are therefore to be considered in all respects as illustrative only and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference herein to an apparatus, article, means, structure, etc. for performing a given function by an explicit or implicit reference to any prior art should be taken as an admission that such a apparatus, article, means, structure, etc. is or was patently disclosed, or is or was part of common general knowledge in the art more than 1 year prior to the filing date of this application. Any reference to claim interpretation includes not only the common meaning of the term "claim" but also the definition of claim found in 35 U.S.C. § 112, paragraph 6.

[0034] Furthermore, it should be understood that although the description herein is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description herein is made in this way only for the sake of clarity, and those skilled in the art should consider the description as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A knifeless taping system, characterized by: The utility model provides a circular knife roll cutting device, including support seat, tool rest and circular knife main roller, the tool rest rotates the installation in support seat's top, the tool rest is circular structure, the circular knife main roller rotates the installation in tool rest with tool rest coaxial arrangement, the outside of tool rest is along the axial annular of tool rest and is equipped with a plurality of structure same card seat, installs on one group card seat of the card seat, the rotary pasting circular knife assembly includes the die cutting knife roller and steel pole, the die cutting knife roller rotates the connection in steel pole top, the steel pole is above circular knife main roller and with the outside wall of circular knife main roller tangent, the die cutting knife roller and steel pole all rotate the connection of card seat, the feeding direction side of steel pole is equipped with the press roll, and the material belt passes between the press roll and steel pole, the press roll rotates the connection of card seat, the steel pole is along the circumferential direction of its axle and is equipped with a plurality of elastic positioning column, the elastic positioning column bottom end and steel pole elastic connection, the surface of die cutting knife roller is equipped with a plurality of protruding blade and cuts the material belt, the die cutting knife roller is equipped with first air clearance and the elastic positioning column position corresponds, and the press roll is equipped with second air clearance and the elastic positioning column position corresponds.

2. A knifeless transfer system as claimed in claim 1, wherein: The front and rear ends of the steel pole are respectively provided with the same elastic positioning column, the steel pole is provided with a receiving groove for mounting the elastic positioning column, the elastic positioning column is retracted into the receiving groove after abutting against the circular knife main roller, the front and rear ends of the die cutting knife roller are respectively provided with first air clearance matched with the position of the elastic positioning column, and the first air clearance is between the two groups of blades, the front and rear ends of the press roll are respectively provided with second air clearance matched with the position of the elastic positioning column.

3. A knifeless taping system according to claim 2, wherein: The second air clearance is an annular groove structure, and the second air clearance is arranged along the circumferential direction of the axis of the press roll.

4. A processing method using the knife mark free transfer system according to any one of claims 1 to 3, characterized in that: The utility model discloses a circular knife roll cutting device, including the following processing steps: Step S1, preparing a material belt, the front and rear ends of the material belt are respectively provided with positioning through holes; Step S2, conveying the material belt in step S1 to the space between the press roll and the steel pole through a feeding shaft, the positioning through holes on the material belt are matched with the elastic positioning columns on the steel pole, the press roll and the steel pole are pressed together, and the material belt is completely attached and positioned on the steel pole; Step S3, while the steel pole rotates, the blades on the die cutting knife roller cut the material belt to form a single-structure product; Step S4, the product cut in step S3 continuously rotates to the circular knife main roller under the positioning of the elastic positioning columns, the circular knife main roller is externally attached with a transfer film, when the front end surface of the steel pole contacts the front end surface of the circular knife main roller, the elastic positioning columns are squeezed and retracted into the receiving groove of the steel pole, the elastic positioning columns are separated from the product, and the product is transferred to the transfer film; Step S5, installing a material collecting roller on the other side of the tool rest, and winding the finished product belt formed by the transferred product by the material collecting roller.

Citation Information

Patent Citations

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