Processing die for roll paper shaft indentations

Abstract

The utility model provides a kind of processing mould of paper roll shaft prick, including upper die holder, pressure head and lower die holder;Pressure head is arranged on upper die holder, and the lower end of pressure head is equipped with several sharp parts, and lower die holder is equipped with positioning block, and paper roll shaft is placed on positioning block in the way of rotating around its axis and corresponds with the position of pressure head, to press out local prick when moulding by the sharp part of pressure head driven by upper die holder and rest on paper roll shaft, and by repeating moulding and opening mould action cooperation paper roll shaft rotates around its axis, so that the continuous global prick is formed on the periphery of paper roll shaft.The utility model can increase the friction and grip between paper roll shaft and paper, and paper roll shaft can more stably drive paper to move, effectively avoid the phenomenon that paper appears jam and skid in conveying process, ensure the fluency of printing process.

Description

Technical Field

[0001] This utility model relates to the field of printer component processing technology, and in particular to a processing mold for embossing paper rolls. Background Technology

[0002] With the continuous advancement of technology and the increasing improvement of people's living standards, handheld color printers, as a convenient and efficient printing device, have been widely used in many fields. Thanks to their compact and portable design, they break the spatial limitations of traditional printers, allowing users to perform color printing anytime, anywhere in various settings, such as outdoor activities, on-site office work, and creative design presentations, thus meeting people's urgent need for instant and personalized printing.

[0003] As a crucial component of handheld color printers, the paper roll plays a vital role in carrying and feeding the printing paper. During printing, the paper roll needs to precisely and stably move the paper along a predetermined path and speed, ensuring that the paper passes smoothly through the print head and achieves high-quality color printing output. Its performance directly affects the smoothness of the printing process, print quality, and the overall reliability of the printer.

[0004] Because handheld color printers use a variety of paper types, and some color printing papers are relatively thick, the friction between the existing paper roll and the paper is unevenly distributed during the actual printing process, which can easily lead to uneven paper feeding, thus affecting the printing effect and reducing the user experience. Utility Model Content

[0005] The purpose of this invention is to provide a processing mold for embossing paper rolls. Paper rolls processed using this mold can effectively increase the friction between the roll and the paper, ensuring the smooth progress of the printing process and improving the printing effect.

[0006] To achieve the above objectives, the solution of this utility model is as follows: A processing mold for embossing paper rolls includes an upper mold base, a pressure head, and a lower mold base; The pressure head is set on the upper mold base, and the lower end of the pressure head is provided with several spikes. The lower mold base is provided with a positioning block. The paper roll is placed horizontally on the positioning block in a manner that allows it to rotate around its own axis and corresponds to the position of the pressure head. When the mold is closed, the upper mold base drives the spikes of the pressure head to press against the paper roll to create local burrs. By repeatedly closing and opening the mold, and coordinating with the rotation of the paper roll around its own axis, continuous global burrs are formed on the outer circumference of the paper roll.

[0007] In a preferred embodiment, the spikes are triangular pyramidal in shape, and there are multiple spikes arranged alternately and facing different directions.

[0008] In a preferred embodiment, there are two pressure heads, and the positions of the two pressure heads correspond to the two ends of the paper roll shaft, respectively.

[0009] In a preferred embodiment, the device further includes a drive mechanism and a rotating chuck. The drive mechanism is located on one side of the lower die base, with its output end horizontally positioned. The rotating chuck is located at the output end of the drive mechanism and is used to grip one end of the paper roll shaft and drive the paper roll shaft to rotate around its own axis.

[0010] In a preferred embodiment, the system also includes an indexing plate and a control unit. The indexing plate is located at the output end of the drive mechanism, the rotating chuck is located on the indexing plate, and the control unit is communicatively connected to the drive mechanism.

[0011] In a preferred embodiment, the driving mechanism is a servo motor.

[0012] After adopting the above solution, the beneficial effects of this utility model are as follows: This invention places the pressure head on the upper mold base, with several spikes at the lower end of the pressure head. The lower mold base has a positioning block, and the paper roll is horizontally placed on the positioning block in a manner that allows it to rotate around its own axis, corresponding to the position of the pressure head. When the mold is closed, the upper mold base drives the spikes of the pressure head to press against the paper roll to create local burrs. By repeatedly closing and opening the mold in conjunction with the rotation of the paper roll around its own axis, continuous global burrs can be formed on the outer circumference of the paper roll, greatly increasing the friction and gripping force between the paper roll and the paper. The paper roll can move the paper more stably, effectively avoiding jamming and slippage of the paper during the conveying process, ensuring the smoothness of the printing process, and improving the printing effect. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of how the upper mold seat drives the spiked part of the pressure head to press out the burrs on the paper roll shaft during mold closing in this utility model embodiment; Figure 2 This is a front view of the pressure head in an embodiment of this utility model; Figure 3 This is a side view of the pressure head in an embodiment of this utility model; Figure 4 This is a schematic diagram of the positioning block in an embodiment of this utility model; Figure 5 This is a partial schematic diagram of the embossed pattern on the paper roll in an embodiment of this utility model.

[0014] Label Explanation: 1. Upper die base; 2. Lower die base; 3. Press head; 31. Spike; 4. Positioning block; 41. Positioning groove; 5. Paper roll shaft; 6. Embossing; 7. Servo motor; 8. Rotary chuck; 9. Indexing plate. Detailed Implementation

[0015] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0016] This embodiment provides a processing mold for embossing paper rolls, such as... Figures 1 to 5 As shown, it includes an upper mold base 1, a pressure head 3, and a lower mold base 2; The pressure head 3 is set on the upper mold base 1. The lower end of the pressure head 3 is provided with several spikes 31. The lower mold base 2 is provided with a positioning block 4. The paper roll 5 is horizontally placed on the positioning block 4 in a manner that allows it to rotate around its own axis and corresponds to the position of the pressure head 3. When the mold is closed, the upper mold base 1 drives the spikes 31 of the pressure head 3 to press against the paper roll 5 to create local burrs 6. By repeatedly closing and opening the mold, the paper roll 5 rotates around its own axis, so that continuous global burrs 6 are formed on the outer periphery of the paper roll 5.

[0017] In this embodiment, continuous global perforations 6 are pressed onto the surface of the paper roll 5, which greatly increases the friction and gripping force between the paper roll 5 and the paper. This effectively avoids paper jamming and slippage during transport, ensuring smooth printing and improving print quality. Furthermore, by repeatedly closing and opening the mold in conjunction with the rotation of the paper roll 5 around its own axis, uniform and regular global perforations 6 can be formed on the outer circumference of the paper roll 5. This ensures that the frictional force is evenly distributed across all parts of the paper roll 5, avoiding uneven paper transport caused by excessive or insufficient local friction.

[0018] like Figure 2 and Figure 3 As shown, in this embodiment, the spikes 31 are triangular pyramidal in shape, capable of pressing out three-dimensional burrs 6 onto the surface of the paper roll 5 to ensure sufficient friction. Multiple spikes 31 are arranged in an alternating pattern and facing different directions, providing friction in multiple directions when the paper roll 5 contacts the paper, effectively preventing slippage. Of course, in other embodiments, the shape, number, and arrangement of the spikes 31 can be customized according to actual needs.

[0019] like Figure 1 As shown, this embodiment uses two pressure heads 3, with their positions corresponding to the two ends of the paper roll 5, ensuring that both ends of the paper roll 5 can form perforations 6. This guarantees stable paper feeding and improves subsequent printing results. Of course, the number and position of the pressure heads 3 can be adjusted according to actual needs to create perforations 6 at different positions on the paper roll 5.

[0020] like Figure 1 As shown, this embodiment also includes a drive mechanism and a rotating chuck 8. The drive mechanism is located on one side of the lower mold base 2, and the output end of the drive mechanism is horizontally positioned. The rotating chuck 8 is located at the output end of the drive mechanism and is used to clamp one end of the paper roll 5 and drive the paper roll 5 to rotate around its own axis.

[0021] This embodiment uses a drive mechanism and a rotating chuck 8 to automatically drive the paper roll 5 to rotate around its own axis, reducing manual intervention and labor intensity. It also avoids processing errors caused by inaccurate or unstable manual operation, improving the automation and stability of the processing. The drive mechanism can precisely control the rotation angle and speed of the rotating chuck 8. Appropriate rotation parameters can be set according to different processing requirements to ensure that the paper roll 5 accurately rotates to the predetermined position each time the mold is closed, thereby achieving precise processing of the embroidery 6. Since the rotating chuck 8 can grip one end of the paper roll 5, only one positioning block 4 is needed in this embodiment for positioning the other end of the paper roll 5. Specifically, the positioning block 4 can achieve positioning by opening a positioning groove 41 that matches the size of the paper roll 5, such as... Figure 4 As shown, the structure is simple.

[0022] like Figure 1 As shown, this embodiment also includes an indexing plate 9 and a control unit (not shown in the figure). The indexing plate 9 is located at the output end of the drive mechanism, the rotating chuck 8 is located on the indexing plate 9, and the control unit is communicatively connected to the drive mechanism.

[0023] The indexing plate 9 has a high-precision indexing function, which can accurately position the paper roll 5 at each processing position according to a preset angle. During the embossing 6 processing of the paper roll 5, after each embossing 6 operation is completed, the indexing plate 9 will rotate the paper roll 5 to the next precise angular position according to the command of the control unit, ensuring the accuracy of the embossing 6 position each time. For example, the indexing plate 9 can rotate the paper roll 5 by 36° each time, and perform 10 mold closing and opening actions between the upper mold base 1 and the lower mold base 2, so as to form a continuous and uniform global embossing 6 on the outer circumference of the paper roll 5, and the angular interval between each embossing 6 is strictly consistent, which greatly improves the distribution accuracy of the embossing 6 on the outer circumference of the paper roll 5, ensuring that the paper roll 5 can smoothly feed paper.

[0024] Furthermore, the driving mechanism in this embodiment is a servo motor 7, but it is not limited to this. It has a simple structure and is easy to set up. Other motors can also be used in other embodiments.

[0025] The directional terms used in this specification are defined relative to the structures shown in the accompanying drawings. They are relative concepts and may therefore vary depending on their location and usage. Therefore, these or other directional terms should not be interpreted as restrictive.

[0026] The above description is only a preferred embodiment of this utility model and is not a limitation on the design of this case. All equivalent changes made based on the key design of this case shall fall within the protection scope of this case.

Claims

1. A processing mold for embossing paper rolls, characterized in that: Includes upper mold base, pressure head, and lower mold base; The pressure head is set on the upper mold base, and the lower end of the pressure head is provided with several spikes. The lower mold base is provided with a positioning block. The paper roll is placed horizontally on the positioning block in a manner that allows it to rotate around its own axis and corresponds to the position of the pressure head. When the mold is closed, the upper mold base drives the spikes of the pressure head to press against the paper roll to create local burrs. By repeatedly closing and opening the mold, and coordinating with the rotation of the paper roll around its own axis, continuous global burrs are formed on the outer circumference of the paper roll.

2. The processing mold for embossing paper rolls as described in claim 1, characterized in that: The spikes are triangular pyramidal in shape, and there are multiple spikes arranged alternately and facing different directions.

3. The processing mold for embossing paper rolls as described in claim 1, characterized in that: The number of pressure heads is two, and the positions of the two pressure heads correspond to the two ends of the paper roll shaft, respectively.

4. The processing mold for embossing paper rolls as described in claim 1, characterized in that: It also includes a drive mechanism and a rotating chuck. The drive mechanism is located on one side of the lower mold base, and the output end of the drive mechanism is horizontally positioned. The rotating chuck is located at the output end of the drive mechanism and is used to clamp one end of the paper roll shaft and drive the paper roll shaft to rotate around its own axis.

5. The processing mold for embossing paper rolls as described in claim 4, characterized in that: It also includes an indexing plate and a control unit. The indexing plate is located at the output end of the drive mechanism, the rotating chuck is located on the indexing plate, and the control unit is connected in communication with the drive mechanism.

6. The processing mold for embossing paper rolls as described in claim 4, characterized in that: The drive mechanism is a servo motor.

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