CN212771688U

CN212771688U - All-in-one is cut to electret with buffer structure

Info

Publication number: CN212771688U
Application number: CN202020876936.1U
Authority: CN
Inventors: 钟波
Original assignee: Shanghai Lantai Microwave Equipment Manufacturing Co ltd
Current assignee: Shanghai Lantai Microwave Equipment Manufacturing Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-03-23
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses an all-in-one is cut to electret with buffer structure, including the electret, put yardage roll, cutting machine and automatically controlled cabinet, the one side fixedly connected with feeding fabric guide roller of electret to the melt-blown fabric inlet port has been seted up to the position that the electret surface corresponds feeding fabric guide roller. Through the cutting machine of design, the circular knife, fly the sword, the transmission shaft, lower floor's discharge wire, lower floor's metal biography cloth roller, upper discharge wire, upper metal biography cloth roller, first buffer spring, mutually support between second buffer spring and the threaded rod, carry out static electret to two-layer meltblown cloth simultaneously, can improve the electret effect to meltblown cloth in higher degree, and the transmission shaft has certain buffer capacity, prevent that meltblown cloth from taking place axis skew and dislocation on the transmission shaft, promote meltblown cloth's the quality of cutting, still can effectively avoid circular knife or fly the long-time work of sword, lead to the easy high temperature of blade part to generate heat, it is impaired to make meltblown cloth cut the position, still can shorten cutter life when serious.

Description

All-in-one is cut to electret with buffer structure

Technical Field

The utility model belongs to the technical field of static electret equipment, concretely relates to all-in-one is cut to electret with buffer structure.

Background

The melt-blown fabric is the most core material of the mask, the melt-blown fabric mainly takes polypropylene as a main raw material, and the fiber diameter can reach 1-5 microns. The superfine fiber with the unique capillary structure increases the number and the surface area of the fiber per unit area, so that the melt-blown fabric has good filtering property, shielding property, heat insulation property and oil absorption property. Can be used in the fields of air and liquid filtering materials, isolating materials, absorbing materials, mask materials, warm-keeping materials, oil absorbing materials, wiping cloth and the like.

The melt-blown cloth is commonly called as the heart of the mask, has good filterability, shielding property, heat insulation property and oil absorption property, and is an important raw material for producing medical surgical masks and N95 masks. The main raw material of the melt-blown fabric is polypropylene, and the melt-blown fabric is superfine electrostatic fiber fabric with the fiber diameter of about 2 microns. The diameter of the dust catcher is only one tenth of the diameter of the fiber on the outer layer of the mask, and dust can be effectively caught. The droplets containing the virus are also electrostatically attracted to the surface and do not permeate through the surface after they approach the meltblown fabric. Therefore, the mask is a necessary raw material for producing the mask with the filtering function. At present, the electrostatic electret of the melt-sprayed cloth in the market does not reach the standard, the design of electret equipment is not reasonable, and the residence time of the electrostatic electret on the melt-sprayed cloth is very short and can not reach the national standard.

Slitting means longitudinally slitting a wide coil or a rolled product into a required width according to actual needs.

The melt-blown fabric cutting equipment in the current market is various, but the use effect is uneven and cannot meet the market demand, so a novel electret cutting all-in-one machine is designed, and the electret cutting all-in-one machine appearing on the market still has various defects and cannot meet the production demand.

When the existing electret splitting machine operates to speed up or reduce the speed, the rotating speed of a transmission shaft on the splitting machine changes, the instantaneous change of the tension of melt-blown cloth is easily caused, the melt-blown cloth must vibrate in a small range for a period of time, the tension is gradually stabilized, the tension is unstable, the winding is not neat when the finished product is wound, the end surface has concave-convex phenomenon, the product quality is influenced, a tension mechanism cannot realize micro-motion adjustment according to the difference of the tension force between the melt-blown cloth, the safety in the film material conveying process is influenced, and two layers or multiple layers of melt-blown cloth cannot be simultaneously stopped, so that an electret splitting all-in-one machine with a buffer structure is urgently needed in the market at the present stage to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an all-in-one is cut to electret with buffer structure, in order to solve and to propose current electret cutting machine operation when speeding up or slowing down in the above-mentioned background art, its rotational speed of transmission shaft on the cutting machine changes, arouse easily that melt-blown cloth tension's transient variation, and must melt-blown cloth small-amplitude vibration through a period of time, make tension steady gradually, this section tensile unstability, the rolling is uneven on the finished product book in the performance, the terminal surface has concave-convex phenomenon, influence product quality, and tension mechanism can not realize fine motion according to the difference of tensile force between the melt-blown cloth and adjust, the security in the membrane material transportation process has been influenced, and can't carry out the problem of stagnation to two-layer or multilayer melt-blown cloth simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an all-in-one is cut to electret with buffer structure, includes electret, cloth roll, cutting machine and automatically controlled cabinet, the one side fixedly connected with feeding fabric guide roller of electret to the electret surface has seted up the melt-blown cloth inlet port to the position that corresponds feeding fabric guide roller, and the inside position that corresponds the melt-blown cloth inlet port of electret has set gradually upper metal and has passed cloth roller and upper strata discharge filament from lower to upper, the one side fixedly connected with ejection of compact fabric guide roller is kept away from to the electret, and the melt-blown cloth guide export has been seted up to the position that corresponds ejection of compact fabric guide roller in the electret surface, and the inside position that corresponds the melt-blown cloth guide export of electret has set gradually lower floor's metal and has passed cloth roller and lower floor discharge filament from top to bottom, the one side fixedly connected through bridge frame and cutting machine that the one side of electret surface to corresponding ejection of compact fabric guide roller is close.

Be provided with the curb plate frame on the cutting machine to the quantity of curb plate frame is two, and is provided with hobbing cutter and fly cutter between two curb plate frames respectively, and two curb plate frame supports correspond the hobbing cutter and fly the position of cutter and be provided with the transmission shaft, the tip of transmission shaft is located the rotation intracavity that curb plate frame surface was seted up, the surge chamber has all been seted up to top and the bottom of rotating the intracavity side to the transmission shaft surface corresponds the position of two relative surge chambers and all is provided with the cutting ferrule, and is located the inside wall fixed connection of below surge chamber through first buffer spring in the bottom of below cutting ferrule, and is located the top of top cutting ferrule through second buffer spring and the bottom fixed connection who slides the seat, slide seat sliding connection in the surge chamber.

Preferably, the position of the side face of the electret, which corresponds to the feeding cloth guide roller, is fixedly connected with a cloth roll releasing mounting frame, and the cloth roll releasing is arranged on the cloth roll releasing mounting frame.

Preferably, a carrying trolley is arranged at the position, corresponding to the transmission shaft, of the tail part of the inner side of the splitting machine, the top of the carrying trolley is of an arc-shaped structure, wheels are arranged at four corners of the bottom of the carrying trolley, and the wheels are universal rollers with brake structures.

Preferably, a transmission device is arranged on the splitting machine, the circular knife is fixedly connected with the end part of the output shaft of the driving motor through the transmission device, the transmission device comprises two transmission gears and a toothed chain for transmission connection of the two transmission gears, and the two transmission gears are respectively and fixedly connected to the surface of the connecting shaft of the circular knife and the end part of the output shaft of the driving motor.

Preferably, the equal fixedly connected with first hoof foot in four corners department of cutting machine bottom to the equal fixedly connected with second hoof foot in four corners department of electret machine bottom, and second hoof foot and first hoof foot all have certain shock attenuation effect.

Preferably, the position that the curb plate frame top corresponds the surge chamber is connected with a screw thread section of thick bamboo in the joint, the one end fixedly connected with of a screw thread section of thick bamboo turns round the wheel to the surface of turning round is provided with anti-skidding line, the other end fixedly connected with switching body of threaded rod to the bottom of switching body and the top overlap joint of sliding seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the cutting machine of design, the circular knife, fly the sword, the transmission shaft, lower floor's discharge wire, lower floor's metal biography cloth roller, upper discharge wire, upper metal biography cloth roller, first buffer spring, mutually support between second buffer spring and the threaded rod, carry out static electret to two-layer meltblown cloth simultaneously, can improve the electret effect to meltblown cloth in higher degree, and the transmission shaft has certain buffer capacity, prevent that meltblown cloth from taking place axis skew and dislocation on the transmission shaft, promote meltblown cloth's the quality of cutting, still can effectively avoid circular knife or fly the long-time work of sword, lead to the easy high temperature of blade part to generate heat, it is impaired to make meltblown cloth cut the position, still can shorten cutter life when serious.

2. Through the designed cloth roll placing mounting frame and the designed cloth roll, the cloth roll placing is a cylindrical structure body formed by rolling up the melt-blown cloth, the cloth roll placing mounting frame can support and fix the cloth roll placing, and simultaneously, the cloth roll placing can perform stable rotating action on the cloth roll placing mounting frame, through the designed bearing trolley and wheels, the bearing trolley is used for containing the melt-blown cloth cut and processed by a splitting machine, because the bearing trolley can move on the ground by utilizing the wheels, through the designed transmission device, the driving motor is used as a driving mechanism, the torsion can be acted on a connecting shaft connected with a circular knife by utilizing the transmission device, a plurality of circular knives can be driven to rotate and cut and process the melt-blown cloth flowing through, through the designed first hoof foot and the designed second hoof foot, the first hoof foot plays a role of supporting and fixing the bottom of the splitting machine, and the second hoof plays a role of supporting and fixing the bottom of the electret machine, meanwhile, the splitting machine and the electret machine can have certain damping capacity.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

fig. 2 is a schematic view of the left-side cross-sectional structure of the electret of the present invention;

fig. 3 is a schematic view of the sectional structure of the transmission shaft in side view.

1. An electret machine; 2. a feed cloth guide roller; 3. a melt-blown fabric inlet; 4. unwinding a cloth roll mounting frame; 5. placing a cloth roll; 6. a bridge frame; 7. splitting machine; 8. a circular knife; 9. flying a cutter; 10. a side plate frame; 11. a transmission device; 12. a drive motor; 13. a drive shaft; 14. carrying a trolley; 15. a wheel; 16. a first shoe; 17. a second hoof; 18. an electric control cabinet; 19. a lower layer discharge wire; 20. a lower metal cloth conveying roller; 21. An upper layer discharge wire; 22. a melt-blown fabric outlet; 23. a discharging cloth guide roller; 24. a rotation chamber; 25. a buffer chamber; 26. a card sleeve; 27. a first buffer spring; 28. a second buffer spring; 29. a sliding seat; 30. A switching body; 31. a threaded rod; 32. a threaded barrel; 33. a torsion wheel; 34. and an upper metal cloth conveying roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution of an electret slitting integrated machine with a buffering structure: an electret slitting integrated machine with a buffering structure comprises an electret 1, a cloth roll 5, a slitting machine 7 and an electric control cabinet 18, wherein one surface of the electret 1 is fixedly connected with a feeding cloth guide roller 2, a melt-spraying cloth inlet 3 is formed in the surface of the electret 1 corresponding to the feeding cloth guide roller 2, an upper metal cloth transmission roller 34 and an upper discharge wire 21 are sequentially arranged in the electret 1 corresponding to the melt-spraying cloth inlet 3 from bottom to top, the electrostatic field released by the upper discharge wire 21 can electret the upper surface of melt-spraying cloth, the electrostatic field released by the lower discharge wire 19 can electret the lower surface of the melt-spraying cloth, and the electrostatic field can simultaneously electret the two layers of melt-spraying cloth, so that the electret effect of the melt-spraying cloth can be improved to a higher degree, and the electrostatic adsorption capacity of the melt-spraying cloth is enhanced, electret 1 keeps away from the one side fixedly connected with ejection of compact fabric guide roller 23 of feeding fabric guide roller 2 to electret 1 surface corresponds the position of ejection of compact fabric guide roller 23 and has seted up melt-blown fabric delivery port 22, and electret 1 inside corresponds the position of melt-blown fabric delivery port 22 and has set gradually lower floor's metal and pass through cloth roller 20 and lower floor's discharge wire 19 from top to bottom, and electret 1 surface corresponds the one side of ejection of compact fabric guide roller 23 and passes through bridge 6 and the close one side fixed connection of cutting machine 7.

The slitter 7 is provided with side plate frames 10, the number of the side plate frames 10 is two, a hobbing cutter and a fly cutter 9 are respectively arranged between the two side plate frames 10, the round cutter 8 and the fly cutter 9 are arranged, under the mutual cooperation action between the round cutter 8 and the fly cutter 9, the phenomenon that the round cutter 8 or the fly cutter 9 works for a long time to cause high-temperature heating of a cutting edge part easily to damage a cutting part of melt-blown fabric can be effectively avoided, the service life of the cutter can be shortened in serious cases, the positions of the supports of the two side plate frames 10 corresponding to the hobbing cutter and the fly cutter 9 are provided with transmission shafts 13, the end parts of the transmission shafts 13 are positioned in rotating cavities 24 formed on the surfaces of the side plate frames 10, buffer chambers 25 are respectively formed at the top and the bottom of the inner sides of the rotating cavities 24, clamping sleeves 26 are respectively arranged on the surfaces of the transmission shafts 13 corresponding to the two buffer chambers 25, and the bottoms of the clamping sleeves 26 positioned below are fixedly, through setting up first buffer spring 27 and second buffer spring 28, because transmission shaft 13 receives the supporting role of first buffer spring 27 and second buffer spring 28 elasticity, make transmission shaft 13 have certain buffer capacity, make the amplitude of oscillation of transmission shaft 13 reduce, reduce the probability that the fold takes place for the meltblown fabric, prevent that the meltblown fabric from taking place axis skew and dislocation on transmission shaft 13, promote the quality of cutting of meltblown fabric, and the bottom fixed connection that second buffer spring 28 and sliding seat 29 are passed through to the top that is located top cutting ferrule 26, sliding seat 29 sliding connection is in surge chamber 25.

In this embodiment, preferably, the fixed position of the side of the electret 1 corresponding to the feeding cloth guide roller 2 is connected with a cloth roll unwinding mounting frame 4, and a cloth roll unwinding 5 is arranged on the cloth roll unwinding mounting frame 4, the cloth roll unwinding mounting frame 4 and the cloth roll unwinding 5 are designed, the cloth roll unwinding 5 is a cylindrical structure body formed by fusing and spraying cloth rolls, and the cloth roll unwinding mounting frame 4 can support the cloth roll unwinding 5 to achieve a fixed effect, and meanwhile, the cloth roll unwinding 5 can be made to perform stable rotation on the cloth roll unwinding mounting frame 4.

In this embodiment, preferably, the inside tail of the splitting machine 7 is provided with a receiving trolley 14 corresponding to the position of the transmission shaft 13, the top of the receiving trolley 14 is of an arc structure, the four corners of the bottom of the receiving trolley 14 are provided with wheels 15, the wheels 15 are universal rollers with brake structures, and through the designed receiving trolley 14 and the wheels 15, the receiving trolley 14 is used for containing the melt-blown fabric which is split by the splitting machine 7, and the receiving trolley 14 can move on the ground by using the wheels 15.

In this embodiment, preferably, a transmission device 11 is arranged on the splitting machine 7, the circular knife 8 is fixedly connected with the end of the output shaft of the driving motor 12 through the transmission device 11, the transmission device 11 includes two transmission gears and a toothed chain for transmission connection of the two transmission gears, the two transmission gears are respectively and fixedly connected with the surface of the connecting shaft of the circular knife 8 and the end of the output shaft of the driving motor 12, through the designed transmission device 11, the driving motor 12 serves as a driving mechanism, the transmission device 11 can be used for exerting torsion on the connecting shaft connected with the circular knife 8, and can drive the circular knives 8 to rotate and split the flowing meltblown fabric.

In this embodiment, it is preferable that the equal fixedly connected with of four corners department of cutting machine 7 bottom has first hoof foot 16, and the equal fixedly connected with of four corners department of electret 1 bottom has second hoof foot 17, and second hoof foot 17 and first hoof foot 16 all have certain shock attenuation effect, through the first hoof foot 16 and the second hoof foot 17 of design, first hoof foot 16 plays the fixed effect of support to the bottom of cutting machine 7, and second hoof foot 17 plays the fixed effect of support to the bottom of electret 1, still can make cutting machine 7 and electret 1 have certain shock-absorbing capacity simultaneously.

In this embodiment, preferably, a threaded cylinder 32 is clamped at a position, corresponding to the buffer chamber 25, of the top of the side plate frame 10, a torsion wheel 33 is fixedly connected to one end of the threaded cylinder 32, anti-skid threads are arranged on the surface of the torsion wheel 33, an adapter body 30 is fixedly connected to the other end of the threaded rod 31, the bottom of the adapter body 30 is in lap joint with the top of the sliding seat 29, the threaded rod 31 is arranged, the first buffer spring 27 and the second buffer spring 28 are arranged, the threaded rod 31 is rotated in the threaded cylinder 32 through twisting, the relation of acting force between the sliding seat 29 and the adapter body 30 is regulated, so that the tension of the melt-blown cloth can be regulated, and the excessive tension or the insufficient tension between the melt-blown cloth and the transmission shaft 13 is.

The utility model discloses a theory of operation and use flow: after the device is installed, one end face of the melt-blown fabric wound and connected with the surface of the fabric roll 5 bypasses the feeding cloth guide roller 2 and is transmitted into the electret 1 through the melt-blown fabric inlet 3, then sequentially bypasses the upper layer metal cloth transmission roller 34 and the lower layer metal cloth transmission roller 20, is transmitted out through the melt-blown fabric outlet 22 and bypasses the discharging cloth guide roller 23, the melt-blown fabric can perform electret on the upper surface of the melt-blown fabric in the surface transmission process of the upper layer metal cloth transmission roller 34, the electrostatic field released by the upper layer discharge wire 21 can perform electret on the lower surface of the melt-blown fabric, and simultaneously perform electrostatic electret on the two layers of melt-blown fabric, so that the electret effect on the melt-blown fabric can be improved to a higher degree, the electrostatic adsorption capacity of the melt-blown fabric is enhanced, and the splitting machine 7 performs the support function of the transmission shaft 13 under the elastic force of the first buffer spring 27 and the second buffer spring 28 in the process of transmitting the melt-blown fabric by using the transmission shaft 13, the transmission shaft 13 is enabled to have certain buffering capacity, the swing amplitude of the transmission shaft 13 is reduced, the probability of wrinkling of the melt-blown fabric is reduced, axial deviation and dislocation of the melt-blown fabric on the transmission shaft 13 are prevented, the cutting quality of the melt-blown fabric is improved, the melt-blown fabric can rotate in the threaded cylinder 32 through the twisting threaded rod 31, the relation of acting force between the sliding seat 29 and the adapter 30 is adjusted and controlled, the tension force of the melt-blown fabric can be adjusted and controlled, too large or too small tension force between the melt-blown fabric and the transmission shaft 13 is prevented, and under the mutual cooperation effect between the circular knife 8 and the flying knife 9, long-time working of the circular knife 8 or the flying knife 9 can be effectively avoided, high-temperature heating of a cutting edge part is caused, the cutting part of the melt-blown fabric is damaged, and the service life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an all-in-one is cut to electret with buffer structure, includes electret (1), unreels yardage roll (5), cutting machine (7) and automatically controlled cabinet (18), its characterized in that: one surface of the electret (1) is fixedly connected with a feeding cloth guide roller (2), a melt-blown cloth inlet (3) is arranged on the surface of the electret (1) corresponding to the feeding cloth guide roller (2), and the position of the electret (1) corresponding to the melt-blown cloth inlet (3) is provided with an upper metal cloth-transmitting roller (34) and an upper discharge wire (21) from bottom to top in sequence, one surface of the electret (1) far away from the feeding cloth guide roller (2) is fixedly connected with a discharging cloth guide roller (23), and a melt-blown fabric outlet (22) is arranged on the surface of the electret (1) corresponding to the position of the discharge fabric guide roller (23), and the position of the electret (1) corresponding to the melt-blown fabric outlet (22) is provided with a lower metal fabric transmission roller (20) and a lower discharge wire (19) from top to bottom in sequence, one surface of the electret (1) corresponding to the discharge cloth guide roller (23) is fixedly connected with one surface close to the splitting machine (7) through a bridge frame (6);

the cutting machine is characterized in that the cutting machine (7) is provided with side plate frames (10), the number of the side plate frames (10) is two, a hob and a fly cutter (9) are respectively arranged between the two side plate frames (10), transmission shafts (13) are arranged at positions of the two side plate frame (10) supports corresponding to the hob and the fly cutter (9), the end parts of the transmission shafts (13) are positioned in rotating cavities (24) formed in the surfaces of the side plate frames (10), buffer chambers (25) are respectively formed in the top and the bottom of the inner sides of the rotating cavities (24), clamping sleeves (26) are respectively arranged at positions corresponding to the two buffer chambers (25) on the surfaces of the transmission shafts (13), the bottoms of the clamping sleeves (26) positioned below are fixedly connected with the inner side walls of the buffer chambers (25) positioned below through first buffer springs (27), and the tops of the clamping sleeves (26) positioned above the clamping sleeves are fixedly connected with the bottoms of sliding seats (29) through second buffer springs (28), the sliding seat (29) is connected in the buffer chamber (25) in a sliding manner.

2. The electret slitting integrated machine with the buffering structure as claimed in claim 1, wherein: the position, corresponding to the feeding cloth guide roller (2), of the side face of the electret (1) is fixedly connected with a cloth roll placing mounting frame (4), and the cloth roll placing (5) is arranged on the cloth roll placing mounting frame (4).

3. The electret slitting integrated machine with the buffering structure as claimed in claim 1, wherein: the position that the inboard afterbody of cutting machine (7) corresponds transmission shaft (13) is provided with accepts dolly (14), the top of accepting dolly (14) is the arc structure, the four corners department of accepting dolly (14) bottom all is provided with wheel (15), wheel (15) are the universal gyro wheel that has the brake structure.

4. The electret slitting integrated machine with the buffering structure as claimed in claim 1, wherein: the splitting machine is characterized in that a transmission device (11) is arranged on the splitting machine (7), the circular knife (8) is fixedly connected with the end part of an output shaft of the driving motor (12) through the transmission device (11), the transmission device (11) comprises two transmission gears and a toothed chain for transmission connection of the two transmission gears, and the two transmission gears are respectively and fixedly connected to the surface of a connecting shaft of the circular knife (8) and the end part of the output shaft of the driving motor (12).

5. The electret slitting integrated machine with the buffering structure as claimed in claim 1, wherein: the all fixedly connected with first hoof foot (16) in the four corners department of cutting machine (7) bottom to the all fixedly connected with second hoof foot (17) in the four corners department of electret (1) bottom.

6. The electret slitting integrated machine with the buffering structure as claimed in claim 1, wherein: the position joint that buffer chamber (25) is corresponded at side grillage (10) top has a screw thread section of thick bamboo (32), the one end fixedly connected with of a screw thread section of thick bamboo (32) turns round wheel (33) to the surface of turning round wheel (33) is provided with anti-skidding line, the other end fixedly connected with switching body (30) of threaded rod (31), and the bottom of switching body (30) and the top overlap joint of sliding seat (29).