A production device for adjusting the ventilation resistance of a mask

Abstract

The present invention belongs to the technical field of mask machines, and discloses a production device for adjusting the ventilation resistance of masks, including a support assembly and a working assembly. The support assembly includes two baffles, and a through groove is formed between the two baffles. The working assembly includes a first transmission wheel and a second transmission wheel, and the first transmission wheel and the second transmission wheel are respectively connected in the through groove. A pneumatic device is connected to the first transmission wheel and the second transmission wheel; through the provided pneumatic regulator and pneumatic device, the adjustment of the pressure value of the transmission wheel on the mask can be quickly realized, and during the use process, the pressure value borne by the mask can be accurately adjusted slightly, reducing the time consumed by the adjustment, enabling the device to quickly enter the production state, and at the same time reducing the inconvenience brought to the staff during the adjustment process, and improving the production efficiency of masks.

Description

Technical Field

[0001] The present invention belongs to the technical field of mask machines, and specifically relates to a production device for adjusting the ventilation resistance of masks. Background Art

[0002] During the mask detection process, the ventilation component of the mask is an important parameter for mask qualification. The ventilation resistance refers to the resistance of the mask under a specified area and specified flow rate, and is part of the mask air permeability test index. If the ventilation resistance is too high, it means poor air permeability, which mainly affects the comfort of wearing the mask.

[0003] During the production of current mask machines, in order to make the ventilation resistance of the mask adjustable during the production process, a screw is set to adjust the height of the transmission wheel, so as to adjust the pressure value borne by the mask. However, when adjusting the screw, since the screw may rotate too large or too small an angle during rotation, the produced masks do not meet the standards, so the screw needs to be adjusted repeatedly and the masks need to be inspected for quality, which cannot make the device quickly enter production and wastes a lot of time. Summary of the Invention

[0004] The purpose of the present invention is to solve the above problems. The present invention provides a production device for adjusting the ventilation resistance of masks, which has the advantage of improving the mask qualification rate.

[0005] To achieve the above object, the present invention provides the following technical solution: A production device for adjusting the ventilation resistance of masks, including a support component and a working component. The support component includes two baffles, and a through groove is opened between the two baffles. The working component includes a first transmission wheel and a second transmission wheel, and the first transmission wheel and the second transmission wheel are respectively connected in the through groove, and a pneumatic device is connected to the first transmission wheel and the second transmission wheel.

[0006] Further, the support component further includes a base, and two of the baffles are fixedly connected to one side end face of the base away from the ground, and the first transmission wheel and the second transmission wheel do not directly contact the base.

[0007] Further, the working component further includes a welding wheel, an airtight wheel, and a cutting wheel respectively connected to the through groove. Among them, on the through groove, in the arrangement order along the mask traveling direction, they are the welding wheel, the first transmission wheel, the airtight wheel, the second transmission wheel, and the cutting wheel in sequence.

[0008] Further, a control device is connected to the baffle, and the control device controls the welding wheel, the airtight wheel, and the cutting wheel respectively. The control device includes a connecting block, one end of the connecting block is fixedly connected to the inner wall of the through groove, and a screw is threaded at one end of the connecting block away from the base.

[0009] Further, a support block is slidably disposed within the connection block, and one end of the screw rod abuts against the support block, wherein the rotating shafts of the welding wheel, the first transmission wheel, the sealing wheel, the second transmission wheel, and the cutting wheel are rotatably connected to both ends of the support block along the length distribution.

[0010] Further, an air pipe is connected to one end of the air pressure device, and an air pressure regulator is connected to the end of the air pipe away from the air pressure device.

[0011] Further, the air pressure regulator controls the air pressure device value to always be within the range greater than 0 Mpa and less than 0.2 Mpa.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] By providing the air pressure regulator and the air pressure device, the adjustment of the pressure value of the transmission wheel on the mask can be quickly realized, and during the use process, the pressure value borne by the mask can be accurately and slightly adjusted, reducing the time consumed for adjustment, enabling the device to quickly enter the production state, and at the same time reducing the inconvenience brought to the staff during the adjustment process, improving the production efficiency of the mask. Brief Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of the overall device of the present invention;

[0015] Figure 2 is Figure 1 a schematic structural diagram in another direction in

[0016] Figure 3 is Figure 2 a schematic structural diagram in another direction in

[0017] Brief Description of the Drawings: 1. Support assembly; 11. Base; 12. Baffle; 1201. Through groove; 2. Welding wheel; 3. First transmission wheel; 4. Sealing wheel; 5. Second transmission wheel; 6. Cutting wheel; 7. Air pressure device; 8. Control device; 81. Connection block; 82. Screw rod; 9. Support block; 10. Air pipe; 101. Air pressure regulator. Detailed Description of the Preferred Embodiments

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] AsFigures 1-3 As shown in the figure, a production device for adjusting the ventilation resistance of a mask includes a support component 1 for maintaining the device body and a working component for processing and producing the mask. The support component 1 includes two baffles 12 that move during the mask processing. A through groove 1201 for the mask to move and be processed is provided between the two baffles 12. The working component includes a first transmission wheel 3 and a second transmission wheel 5. The first transmission wheel 3 and the second transmission wheel 5 for controlling the air permeability of the mask are respectively connected in the through groove 1201. At the same time, driven by the rotation of the first transmission wheel 3 and the second transmission wheel 5, the mask is driven to move on the through groove 1201. An air pressure device 7 for adjusting the pressure of the first transmission wheel 3 and the second transmission wheel 5 on the mask is connected to the first transmission wheel 3 and the second transmission wheel 5. When processing the mask through the working component, in order to maintain the qualified rate during the mask production process, it is designed to adjust the heights of the first transmission wheel 3 and the second transmission wheel 5 from the base 11 through the air pressure device 7, so as to realize the adjustment of the pressure on the surface of the mask by the first transmission wheel 3 and the second transmission wheel, and stably maintain the pressure value between the first transmission wheel 3 and the second transmission wheel 5 at a safe processing value, and complete the processing and production of the mask.

[0020] Preferably, the support component 1 further includes a base 11. The base 11 houses a power component for the device to work. Through the setting of the base 11, the working component and the baffle 12 are fixed at a height convenient for mask processing. The two baffles 12 are fixedly connected to one side end face of the base 11 away from the ground, and the first transmission wheel 3 and the second transmission wheel 5 do not directly contact the base 11, allowing the mask to slide on the support component 1. Through the provided base 11, the end face for the mask to slide on the through groove 1201 is set, and at the same time, the power component is hidden in the base 11, which is convenient for management and maintenance.

[0021] Preferably, the working component further includes a welding wheel 2 respectively connected to the through groove 1201 for extending and connecting the mask in the length direction, an airtight wheel 4 for extending and connecting the mask in the width direction, and a cutting wheel 6 for separately cutting the mask. Among them, on the through groove 1201, in the arrangement order along the advancing direction of the mask, there are the welding wheel 2, the first transmission wheel 3, the airtight wheel 4, the second transmission wheel 5, and the cutting wheel 6 in sequence. That is, through the welding wheel 2, the connection of the mask in the length direction is completed. Then, while the first transmission wheel 3 completes the initial rolling of the mask, the continuous movement of the mask is realized. Through the airtight wheel 4, the connection and sealing of the mask in the width direction are realized. Through the second transmission wheel 5, the secondary rolling of the mask is realized, and the mask is driven to continue to move. When passing through the cutting wheel 6, the mask is cut, and it enters the next process of mask production.

[0022] Preferably, a control device 8 is connected to the baffle 12, and the control device 8 controls the welding wheel 2, the sealing wheel 4, and the cutting wheel 6 respectively. The control device 8 includes a connecting block 81. One end of the connecting block 81 is fixedly connected to the inner wall of the through groove 1201. A screw rod 82 is provided threadedly at the end of the connecting block 81 away from the base 11. The height of the welding wheel 2, the sealing wheel 4, and the cutting wheel 6 from the base 11 is controlled by the height of the screw rod 82 in the control device 8, ensuring that different layers of masks can be fusion-connected without causing delamination during use.

[0023] Preferably, a support block 9 for supporting the wheel shaft is slidably provided in the connecting block 81. To facilitate providing power to the wheel shaft, a power device is provided on the support block 9 to provide power for the rotation of the wheel shaft. One end of the screw rod 82 abuts against the support block 9. The rotating shafts of the welding wheel 2, the first transmission wheel 3, the sealing wheel 4, the second transmission wheel 5, and the cutting wheel 6 are rotatably connected to both ends of the support block 9 along the length. By connecting the support block 9 to the rotating shafts of the welding wheel 2, the first transmission wheel 3, the sealing wheel 4, the second transmission wheel 5, and the cutting wheel 6, and then adjusting the tightening depth of the screw rod 82 on the connecting block 81, the moving position of the support block 9 in the connecting block 81 is controlled, realizing the adjustment of the depth of the welding wheel 2, the sealing wheel 4, and the cutting wheel 6 to ensure the progress of mask processing.

[0024] Preferably, a ventilation pipe 10 is connected to the end of the air pressure device 7 away from the base 11. The air pressure device 7 is adjusted through the ventilation pipe 10, so that the air pressure device 7 can adjust the pressure value of the support block 9 according to the change of air pressure. A pressure regulator 101 is connected to the end of the ventilation pipe 10 away from the air pressure device 7. The air pressure value introduced into the air pressure device 7 is monitored through the pressure regulator 101, facilitating the observation and adjustment of the pressure regulator 101, and directly realizing the pressure change of the first transmission wheel 3 and the second transmission wheel 5 on the mask.

[0025] Preferably, the pressure regulator 101 controls the value of the air pressure device 7 to be always within the range greater than 0 Mpa and less than 0.2 Mpa. By controlling the pressure value of the air pressure device 7, the pressure values of the first transmission wheel 3 and the second transmission wheel 5 on the mask are realized, so that the ventilation resistance of the processed mask is always at a qualified level. Taking a normal disposable mask as an example, when the pressure regulator 101 adjusts the pressure value of the air pressure device 7 to 0.15 Mpa, at this time, through experimental data, the success rate of the mask completed by the first transmission wheel 3 and the second transmission wheel 5 at this value is 99.99%. At the same time, according to the thickness of different masks, the pressure regulator 101 can quickly adjust the pressure of the first transmission wheel 3 and the second transmission wheel 5, enabling the device to be quickly put into the mask production process.

[0026] The experimental data is as follows:

[0027]

[0028]

[0029] Initially, place the mask to be processed against the through groove 1201 and contact the first transmission wheel 3 at the same time. At the same time, adjust the height of the screw rod 82 on the connecting block 81, so as to respectively realize the connection processing of the welding wheel 2, the airtight wheel 4 and the cutting wheel 6 to the mask. By adjusting the value of the air pressure regulator 101 to 0.15 Mpa, the position control of the air pressure device 7 is achieved, so that the device reaches the working state.

[0030] During operation, start the power assembly and the power device in the support block 9, and then drive the welding wheel 2, the first transmission wheel 3, the airtight wheel 4, the second transmission wheel 5 and the cutting wheel 6 to rotate, so as to realize the movement of the mask fabric. At the same time, the mask to be processed is successively the welding wheel 2, the first transmission wheel 3, the airtight wheel 4, the second transmission wheel 5 and the cutting wheel 6 in the through groove 1201. That is, the connection of the mask along the length direction is completed by the welding wheel 2. Then, while the initial rolling of the mask is completed by the first transmission wheel 3, the continuous movement of the mask is realized. The connection and sealing of the mask along the width direction are realized by the airtight wheel 4. The secondary rolling of the mask is realized by the second transmission wheel 5, and the mask is driven to continue to move. When passing through the cutting wheel 6, the mask is cut and processed in the next process of mask production, so as to complete the processing of the mask part.

[0031] At the same time, when changing the thickness of the fabric on the device, adjust or maintain the depth of the screw rod 82 according to the actual production situation. However, the pressure of the air pressure device 7 needs to be adjusted according to the thickness of the mask, so as to ensure that the ventilation resistance of the processed mask is in a qualified state. When the thickness of the mask becomes thicker, at this time, reduce the air pressure value of the air pressure regulator 101 on the gas device 7 to reduce the pressure between the first transmission wheel 3 and the transmission wheel 5, so that the processed mask is at a qualified level. It should be noted that when the air pressure value of the air pressure regulator 101 changes, the minimum cannot be less than 0 Mpa and the maximum cannot exceed 0.15 Mpa.

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A production device for adjusting the ventilation resistance of a mask, characterized in that: It includes a support component and a working component. The support component includes two baffles, and a through groove is formed between the two baffles. The working component includes a first transmission wheel, a second transmission wheel, a welding wheel, an airtight wheel, and a cutting wheel respectively connected to the through groove; the first transmission wheel and the second transmission wheel are respectively connected in the through groove, and a pneumatic device is connected to the first transmission wheel and the second transmission wheel; on the through groove, in the arrangement order of the mask advancing direction, there are a welding wheel, a first transmission wheel, an airtight wheel, a second transmission wheel, and a cutting wheel in sequence. A control device is connected to the baffle, and the control device controls the welding wheel, the airtight wheel, and the cutting wheel respectively. The control device includes a connecting block. One end of the connecting block is fixedly connected to the inner wall of the through groove. A screw rod is provided threadedly at the end of the connecting block away from the base. A support block is slidably arranged in the connecting block. One end of the screw rod abuts against the support block. The rotating shafts of the welding wheel, the first transmission wheel, the airtight wheel, the second transmission wheel, and the cutting wheel are rotatably connected to the support block at both ends along the length distribution. One end of the pneumatic device is connected with an air pipe, and the end of the air pipe away from the pneumatic device is connected with a pneumatic regulator; the pneumatic regulator and the pneumatic device are used to achieve a slight adjustment of the pressure value of the transmission wheel on the mask.

2. The production device for adjusting the ventilation resistance of a mask according to claim 1, wherein: The support component further includes a base, wherein the two baffles are fixedly connected to one side end face of the base away from the ground, and the first transmission wheel and the second transmission wheel do not directly abut against the base.

3. The production device for adjusting the ventilation resistance of a mask according to claim 2, wherein: The pneumatic regulator controls the value of the pneumatic device to always remain in the range greater than 0 Mpa and less than 0.2 Mpa.

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