CN215702266U - Continuous sheet slitting and punching device - Google Patents
Continuous sheet slitting and punching device Download PDFInfo
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- CN215702266U CN215702266U CN202122328136.3U CN202122328136U CN215702266U CN 215702266 U CN215702266 U CN 215702266U CN 202122328136 U CN202122328136 U CN 202122328136U CN 215702266 U CN215702266 U CN 215702266U
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- bottom roller
- ultrasonic vibrator
- continuous sheet
- punching device
- negative pressure
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Abstract
The utility model discloses a continuous sheet slitting and punching device which comprises a bottom roller and an ultrasonic vibrator which are oppositely arranged, wherein the bottom roller can rotate around the self axial direction and is provided with a pattern bulge corresponding to a hole pattern attached to a processed sheet on the circumferential surface; the ultrasonic vibrator can rotate around the self axial direction and simultaneously does high-frequency vibration relative to the bottom roller, and a gap for a processed sheet to pass through is reserved between the bottom roller and the ultrasonic vibrator; the ultrasonic vibrator and the bottom roller rotate relatively, and the linear velocity of the outer circle surface of the ultrasonic vibrator is equal to that of the outer circle surface of the bottom roller. The utility model can improve the precision and speed of slitting and punching the sheet of the disposable hygienic product, has long service life and low equipment maintenance cost, and can be widely applied to the processing field of the disposable hygienic product.
Description
Technical Field
The utility model relates to the technical field of processing of disposable sanitary products, in particular to a continuous sheet slitting and punching device.
Background
In the processing of disposable sanitary products such as baby pull-ups, paper diapers, feminine menstrual care products, adult incontinence products and the like, some products need to cut and perforate a sheet according to a set shape according to the requirements of product performance and appearance. The traditional mechanical structure is adopted in the existing slitting and punching, and punching of the sheet is realized by the sharpness of the cutting edge and the pressure acting on the sheet. The structure has high requirement on the strength of the cutting edge, the cutting edge needs to be maintained after being used for a continuous time so as to ensure the sharpness of the cutting edge, and the service life of the cutting edge is short. To some less holes of size, traditional structure not only is high and fragile to the required precision of mould to the condition that burr or waste material can not separate with the sheet appears in the sheet when leading to punching, the effect of punching is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a continuous sheet slitting and punching device, which solves the problems of high pressure requirement, high requirement on the strength of a cutting edge and short service life of the conventional slitting and punching structure.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a continuous sheet slitting and punching device comprises a bottom roller which can rotate around the self axial direction and is provided with a pattern bulge corresponding to a hole pattern attached to a processed sheet on the circumferential surface;
the ultrasonic vibrator is arranged opposite to the bottom roller, rotates around the axial direction of the ultrasonic vibrator and performs high-frequency vibration relative to the bottom roller, and a gap for a processed sheet to pass through is reserved between the bottom roller and the ultrasonic vibrator;
the ultrasonic vibrator and the bottom roller rotate relatively, and the linear velocity of the outer circle surface of the ultrasonic vibrator is equal to that of the outer circle surface of the bottom roller.
In order to reduce the force required by cutting the material into sections, the pattern protrusions are provided with cutting edges corresponding to the hole patterns attached to the processed sheet.
In order to ensure that the waste materials can be discharged in time, the cutting edge is internally provided with a material suction hole, and the bottom roller is internally provided with a negative pressure cavity communicated with the material suction hole.
Furthermore, a discharge hole of the negative pressure cavity is provided with a discharge device which is in butt joint with the negative pressure cavity and used for sucking away and discharging the waste materials.
In order to ensure the reliability of the matching, a felted wool with compression elasticity is arranged at the butt joint position of the discharge device and the negative pressure cavity, and the felted wool is in friction fit with the bottom roller.
Preferably, the gap between the bottom roller and the ultrasonic vibrator is 0.01-0.05 mm.
Preferably, the vibration frequency of the ultrasonic vibrator is 20KHZ, and the full amplitude of the outer circumferential surface of the ultrasonic vibrator is 0.03-0.07 mm.
The utility model has the beneficial effects that: according to the utility model, slitting and punching of the sheet are completed through the matching of the ultrasonic vibrator and the bottom roller, compared with the traditional mechanical structure, the sheet is punched under the high-speed vibration of the ultrasonic vibrator, and the pressure required for cutting is small, so that the cutting edge of the bottom roller is not required to have high strength and sharpness, the processing difficulty from the small cutting edge is avoided, and the manufacturing cost of equipment is reduced. Meanwhile, the requirement on the cutting edge is reduced, so that the cutting device can be suitable for cutting small closed-loop patterns, the service life of the cutting edge can be prolonged, and the maintenance cost is reduced. The material hole of inhaling on the bottom roll and cooperation structure thereof can in time be siphoned away the waste material after cutting through the negative pressure effect and discharge, and simultaneously, ultrasonic vibration patts the effect, also can assist the waste material to inhaling downthehole the transfer of material to the required negative pressure suction dynamics in material hole is inhaled in the reduction, reduces the energy consumption of equipment.
The utility model will be explained in more detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a longitudinal cross-sectional view of the bottom roll of the present invention.
Fig. 3 is a partially enlarged view of a in fig. 2.
Detailed Description
Example, as shown in fig. 1-3, a continuous web slit perforating apparatus for slit perforating a continuously fed sheet of disposable hygiene articles, including but not limited to baby pull-ups, diapers, feminine care products, adult incontinence products.
The device specifically includes relative bottom roll 1 and the ultrasonic vibrator 2 that sets up, leave the clearance 3 that supplies the processing sheet to pass through between bottom roll 1 and ultrasonic vibrator 2, disposable hygienic articles sheet gets into clearance 3 along the tangential direction of bottom roll 1 and accomplishes cutting punching to disposable hygienic articles sheet under bottom roll 1 and ultrasonic vibrator 2's combined action. The bottom roller 1 and the ultrasonic vibrator 2 are jointly installed on the base 4, and the base 4 is correspondingly provided with a bottom roller assembly installation seat 41 and an ultrasonic vibrator assembly installation seat 42. The structure and the fitting relationship of the bottom roller 1 and the ultrasonic vibrator 2 are specifically described below:
the interval is provided with two bottom roll backup pads 5 on the bottom roll subassembly mount pad 41, is provided with bearing frame 6 on the bottom roll backup pad 5, the one end connection of bottom roll 1 is provided with and drives bottom roll 1 pivoted bottom roll drive shaft 7, bottom roll drive shaft 7 passes through bearing frame 6 and rotates and install on bottom roll backup pad 5 to make bottom roll 1 be the cantilever form and arrange. The other end of bottom roller drive shaft 7 is provided with from driving wheel 8, still install bottom roller driving motor 9 on the bottom roller subassembly mount pad 41, be provided with hold-in range 10 between bottom roller driving motor 9's output shaft and the follow driving wheel 8.
The arrangement form of the ultrasonic vibrators 2 is the same as that of the bottom roller 1, and the ultrasonic vibrators are arranged in a cantilever mode. Two vibrator supporting plates 11 are arranged on the ultrasonic vibrator component mounting seat 42 at intervals, one end of the ultrasonic vibrator 2 is connected with a vibrator driving shaft 12 which drives the ultrasonic vibrator 2 to rotate, the vibrator driving shaft 12 is rotatably supported on the vibrator supporting plates 11, the other end of the vibrator driving shaft 12 is connected with an ultrasonic vibration generating device 13 which drives the ultrasonic vibrator 2 to vibrate at high frequency relative to the bottom roller 1, a vibrator driving motor 14 which drives the ultrasonic vibrator 2 to rotate is further arranged, and a synchronous belt 10 is arranged between the vibrator driving motor 14 and the vibrator driving shaft 12.
The bottom roller 1 and the ultrasonic vibrator 2 rotate relatively under the driving of the bottom roller driving motor 9 and the vibrator driving motor 14 respectively, and the linear velocity of the outer circle surface of the ultrasonic vibrator 2 is equal to that of the outer circle surface of the bottom roller 1. In this embodiment, as seen from the right side of fig. 1, the bottom roller 1 rotates clockwise, the ultrasonic vibrator 2 rotates counterclockwise, and the disposable hygienic product sheet enters the gap 3 from above along the tangential direction of the bottom roller 1 and is slit and punched at the position where the bottom roller 1 is tangent to the ultrasonic vibrator 2. The base 4 is correspondingly provided with a through hole for the disposable sanitary product sheet after slitting and punching to pass through. The clearance between the bottom roller and the ultrasonic vibrator is 0.01-0.05 mm, and can be adjusted according to the thickness of the disposable sanitary product.
A group of pattern bulges 101 corresponding to the hole patterns attached to the processed sheet are formed on the circumferential surface of the bottom roller 1, cutting edges corresponding to the hole patterns attached to the processed sheet are arranged on the pattern bulges 101, and the disposable sanitary product sheet is cut and punched under the combined action of the ultrasonic vibrators 2 and the cutting edges of the pattern bulges 101. The vibration frequency of the ultrasonic vibrator is 20KHZ, and the full amplitude of the outer circumferential surface of the ultrasonic vibrator is 0.03-0.07 mm.
In order to discharge the cut waste materials in time and avoid the influence on punching of the sheet behind, the cutting edge is internally provided with a material suction hole 102, the bottom roller 1 is internally provided with a negative pressure cavity 103 communicated with the material suction hole 102, and one end of the negative pressure cavity 103 is of an open structure and is a discharge hole. The discharge hole of the negative pressure cavity 103 is provided with a discharge device 15 which is in butt joint with the negative pressure cavity 103 and sucks and discharges the waste materials, and the waste materials in the negative pressure cavity 103 are taken away and discharged through the negative pressure suction force generated by the discharge device 15.
The discharging device 15 at least comprises a discharging pipe 151 with an end portion butted with the negative pressure cavity 103, and a negative pressure generating device (shown in the figure) connected with the discharging pipe 151, such as a vacuum pump or an exhaust fan. Can inhale away the waste material in the negative pressure chamber 103 for the negative pressure that guarantees discharge device 15 and produce, it is provided with the felted wool 152 that has compression elasticity on row material pipe 151 and the negative pressure chamber 103 butt joint terminal surface, felted wool 152 and bottom roll 1 friction fit, the terminal surface and the felted wool 152 of negative pressure chamber 103 take place the running friction when bottom roll 1 rotates promptly, and this structure can guarantee to rotate bottom roll 1 and stationary part row material pipe 151 within a definite time well, makes negative pressure chamber 103 and inhale material hole 102 and produce the negative pressure under discharge device 15's effect. When the gap between the discharge pipe 151 and the bottom roller 1 is increased after the wool felt 152 is worn, and the negative pressure in the negative pressure cavity 103 is reduced, the wool felt 152 is replaced in time.
Through the detailed description of the structure of the utility model, the utility model can be clearly obtained by applying the high-frequency vibration action of ultrasonic waves to the sheet material of the disposable sanitary product and combining the action of the pattern bulges 101 of the bottom roller to quickly and efficiently form required pattern holes on the sheet material of the disposable sanitary product. Simultaneously, through the effect of negative pressure chamber and ultrasonic vibrator, the waste material of this structure discharges more timely thoroughly, and the condition that reduces the waste material and blocks up the influence and punch takes place. The ultrasonic vibrator adopts the pivoted column structure, compares with fixed rectangle terminal surface structure, can drive disposable hygienic products sheet and carry forward at the in-process that cuts to punch with the bottom roll cooperation, improves the stationarity of disposable hygienic products sheet operation.
The utility model is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the utility model are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the utility model; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (7)
1. The utility model provides a perforating device is cut to continuous sheet which characterized in that: comprises that
A bottom roller which can rotate around the self axial direction and is provided with a pattern projection corresponding to the hole pattern attached to the processed sheet on the circumferential surface;
the ultrasonic vibrator is arranged opposite to the bottom roller, rotates around the axial direction of the ultrasonic vibrator and performs high-frequency vibration relative to the bottom roller, and a gap for a processed sheet to pass through is reserved between the bottom roller and the ultrasonic vibrator;
the ultrasonic vibrator and the bottom roller rotate relatively, and the linear velocity of the outer circle surface of the ultrasonic vibrator is equal to that of the outer circle surface of the bottom roller.
2. The continuous sheet slitting and punching device according to claim 1, wherein: and the pattern protrusions are provided with cutting edges corresponding to the hole patterns attached to the processed sheet.
3. The continuous sheet slitting and punching device according to claim 2, characterized in that: the cutting edge is internally provided with a material sucking hole, and the bottom roller is internally provided with a negative pressure cavity communicated with the material sucking hole.
4. The continuous sheet slitting and punching device according to claim 3, wherein: and a discharge port of the negative pressure cavity is provided with a discharge device which is in butt joint with the negative pressure cavity and sucks and discharges the waste materials.
5. The continuous sheet slitting and punching device according to claim 4, wherein: and a felted wool with compression elasticity is arranged at the butt joint position of the discharge device and the negative pressure cavity, and the felted wool is in friction fit with the side surface of the bottom roller.
6. The continuous sheet slitting and punching device according to claim 1, wherein: the clearance between the bottom roller and the ultrasonic vibrator is 0.01-0.05 mm.
7. The continuous sheet slitting and punching device according to claim 1, wherein: the vibration frequency of the ultrasonic vibrator is 20KHZ, and the full amplitude of the outer circumferential surface of the ultrasonic vibrator is 0.03-0.07 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122328136.3U CN215702266U (en) | 2021-09-24 | 2021-09-24 | Continuous sheet slitting and punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122328136.3U CN215702266U (en) | 2021-09-24 | 2021-09-24 | Continuous sheet slitting and punching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215702266U true CN215702266U (en) | 2022-02-01 |
Family
ID=80024582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122328136.3U Active CN215702266U (en) | 2021-09-24 | 2021-09-24 | Continuous sheet slitting and punching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215702266U (en) |
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2021
- 2021-09-24 CN CN202122328136.3U patent/CN215702266U/en active Active
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