阅读说明：本技术 一种连续纤维增强复合材料3d打印机的纤维丝切断装置 (Fiber yarn cutting device of continuous fiber reinforced composite material 3D printer ) 是由 刘峻 刘一胜 张晓军 何明 单莹莹 于 2021-09-23 设计创作，主要内容包括：本发明公开了一种连续纤维增强复合材料3D打印机的纤维丝切断装置,包括输丝筒,所述输丝筒的下端固定连接有喷头,所述输丝筒的外表面套接设置有裁切组件,所述裁切组件包括有固定轴,所述固定轴的下端固定连接有基板,所述基板的前侧固定连接有切刀,且基板的下表面设置有清洁驱动件。本发明涉及3D打印机技术领域,该连续纤维增强复合材料3D打印机的纤维丝切断装置,通过设置裁切组件,当3D打印机打印完毕后,在电动推杆的工作下,能够使切刀自动的将喷头上的纤维丝给切断,从而使3D打印机便于后续的打印工作,无需人工进行切断,提高安全性能,且在弹簧二的弹性下,纤维丝切断后,切刀能够自动归位,使其不妨碍3D打印机的喷头正常打印工作。(The invention discloses a fiber yarn cutting device of a continuous fiber reinforced composite material 3D printer, which comprises a yarn conveying cylinder, wherein the lower end of the yarn conveying cylinder is fixedly connected with a spray head, the outer surface of the yarn conveying cylinder is sleeved with a cutting assembly, the cutting assembly comprises a fixed shaft, the lower end of the fixed shaft is fixedly connected with a base plate, the front side of the base plate is fixedly connected with a cutter, and the lower surface of the base plate is provided with a cleaning driving piece. The invention relates to the technical field of 3D printers, and discloses a fiber filament cutting device of a continuous fiber reinforced composite material 3D printer, which is characterized in that a cutting assembly is arranged, after the 3D printer finishes printing, under the working of an electric push rod, a cutter can automatically cut off fiber filaments on a nozzle, so that the 3D printer is convenient for subsequent printing work, manual cutting is not needed, the safety performance is improved, and under the elasticity of a spring II, after the fiber filaments are cut off, the cutter can automatically return to the original position, so that the cutter does not hinder the normal printing work of the nozzle of the 3D printer.)

1. The utility model provides a cellosilk cutting device of continuous fibers reinforcing combined material 3D printer, includes defeated silk section of thick bamboo (1), the lower extreme fixedly connected with shower nozzle (3) of defeated silk section of thick bamboo (1), its characterized in that: the outer surface of the silk conveying cylinder (1) is sleeved with a cutting assembly (2);

the cutting assembly (2) comprises a fixed shaft (21), a base plate (22) is fixedly connected to the lower end of the fixed shaft (21), a cutter (23) is fixedly connected to the front side of the base plate (22), a cleaning driving piece (24) is arranged on the lower surface of the base plate (22), a top plate (25) is rotatably connected to the upper end of the fixed shaft (21), a second gear (26) is rotatably connected to the upper surface of one end of the top plate (25), the lower end of the second gear (26) is fixedly connected to the upper end of the fixed shaft (21), a third gear (27) is rotatably connected to the position, located at the front side of the second gear (26), of the upper surface of the top plate (25), the third gear (27) is in meshing connection with the second gear (26), a tooth block on the third gear (27) is set to be one fourth, and an adjusting rod (28) is rotatably connected to the upper surface of the rear side of the third gear (27), the upper surface of the front side of the top plate (25) is provided with an electric push rod (29), the output shaft of the electric push rod (29) is rotationally connected with one end of the adjusting rod (28), a limiting plate (210) is sleeved at the position, below the top plate (25), of the outer surface of the fixed shaft (21), an arc-shaped rod (211) is arranged on one end side surface of the limit plate (210) in a penetrating and sliding mode, the two ends of the arc-shaped rod (211) are fixedly connected with convex blocks (212), the upper ends of the two convex blocks (212) are fixedly connected with the lower surface of the top plate (25), a second spring (213) is sleeved and slidably mounted on the outer surface of one end of the arc-shaped rod (211), two ends of the second spring (213) are respectively fixedly connected with one side surface of the limit plate (210) and one side surface of the convex block (212), the outer surface of one end of the cutter (23) is sleeved with a sliding sleeve (214).

2. The filament cutting device of a continuous fiber reinforced composite 3D printer according to claim 1, wherein: the other end of the top plate (25) is sleeved on the outer surface of the silk conveying barrel (1), and the cutter (23) is close to the position of one side below the spray head (3).

3. The filament cutting device of a continuous fiber reinforced composite 3D printer according to claim 1, wherein: the circle center of the arc-shaped rod (211) and the circle center of the fixed shaft (21) are positioned on the same axis.

4. The filament cutting device of a continuous fiber reinforced composite 3D printer according to claim 1, wherein: the middle position of the front side of the fixed shaft (21) is fixedly connected with a reinforcing rod (221), and the lower end of the reinforcing rod (221) is fixedly connected to the upper surface of the base plate (22).

5. The filament cutting device of a continuous fiber reinforced composite 3D printer according to claim 1, wherein: clean driving piece (24) are including protruding piece (241) of fixed connection in base plate (22) rear side lower surface, the front surface horizontally connected with of protruding piece (241) has spacing axle (242), the surface of spacing axle (242) is cup jointed slidable mounting and is had draw runner piece (243), fixed surface is connected with protruding axle (244) on the other end of draw runner piece (243), the upper end fixed connection of protruding axle (244) is in the lower surface of sliding sleeve (214), the inside of draw runner piece (243) is provided with the sliding tray with spacing axle (242) looks adaptation.

6. The filament cutting device of a continuous fiber reinforced composite 3D printer according to claim 5, wherein: one side of the sliding strip block (243) is provided with a rack (245), and one side of the rack (245) is meshed with a first gear (246).

7. The filament cutting device of a continuous fiber reinforced composite 3D printer according to claim 5, wherein: the outer surface of the limiting shaft (242) is sleeved with a first spring (247) in a sliding mode, and two ends of the first spring (247) are fixedly connected to the front surface of the protruding block (241) and one end of the sliding strip block (243) respectively.

8. The filament cutting device of a continuous fiber reinforced composite 3D printer according to claim 6, wherein: the upper surface of the front side of the base plate (22) is fixedly provided with a servo motor (222), and an output shaft of the servo motor (222) penetrates through the upper surface of the base plate (22) in a rotating mode and is fixedly connected to the upper end of the first gear (246).

9. The filament cutting device of a continuous fiber reinforced composite 3D printer according to claim 1, wherein: the inner surface of the sliding sleeve (214) is fixedly bonded with a cleaning sleeve (2141), and the inner surface of the sliding sleeve (214) is in contact with the outer surface of the cutter (23).

10. The filament cutting device of a continuous fiber reinforced composite 3D printer according to claim 9, wherein: the cleaning sleeve (2141) is a rubber material member.

Technical Field

The invention relates to the technical field of 3D printers, in particular to a fiber filament cutting device of a continuous fiber reinforced composite material 3D printer.

Background

The 3D printer, a kind of machine of the fast forming technology, it is a kind of digital model file as the foundation, but utilize adhesive material such as powdered metal or plastics, etc., construct the technology of the object through the way of printing layer by layer, the continuous fiber reinforced composite material has superior physics, mechanical property, it has not merely improved the mechanical property of the composite material greatly, it also has light, good overall design, recycling ability and advantage such as absorbing the external energy strongly, the 3D printer will often use the continuous fiber reinforced composite material to print the work.

But present 3D printer is printing the back that finishes, and the cellosilk on the 3D printer needs the manual work to cut off, and very trouble like this has set up cellosilk automatic cutout device on some 3D printers, but long-time back, can bond the cellosilk on the cutter, if not in time clear up it, can influence its effect of cutting off, and when the manual work removed the clearance, has certain danger, gives the fish tail with personnel's hand easily.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a fiber yarn cutting device of a continuous fiber reinforced composite material 3D printer, which solves the problem that the fiber yarn on the 3D printer needs to be cut manually, so that the problem is very troublesome.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a cellosilk cutting device of continuous fibers reinforcing combined material 3D printer, includes defeated silk section of thick bamboo, the lower extreme fixedly connected with shower nozzle of defeated silk section of thick bamboo, the surface of defeated silk section of thick bamboo cup joints and is provided with cutting assembly.

The cutting assembly comprises a fixed shaft, a base plate is fixedly connected to the lower end of the fixed shaft, a cutter is fixedly connected to the front side of the base plate, a cleaning driving piece is arranged on the lower surface of the base plate, a top plate is rotatably connected to the upper end of the fixed shaft, a second gear is rotatably connected to the upper surface of one end of the top plate, the lower end of the second gear is fixedly connected to the upper end of the fixed shaft, a third gear is rotatably connected to the upper surface of the top plate at the position of the front side of the second gear, the third gear is meshed with the second gear, a tooth block on the third gear is arranged to be one fourth, an adjusting rod is rotatably connected to the upper surface of the rear side of the third gear, an electric push rod is arranged on the upper surface of the front side of the top plate, an output shaft of the electric push rod is rotatably connected to one end of the adjusting rod, and a limiting plate is sleeved on the outer surface of the fixed shaft at the position of the lower side of the top plate, the one end side of limiting plate runs through slidable mounting and has the arc pole, the equal fixedly connected with lug in both ends of arc pole, two the equal fixed connection in the lower surface of roof in the upper end of lug, slidable mounting is cup jointed to the one end surface of arc pole has spring two, the both ends of spring two respectively with a side of limiting plate and a side fixed connection of lug, slidable mounting is cup jointed to the one end surface of cutter has the sliding sleeve.

Preferably, the other end of the top plate is sleeved on the outer surface of the silk conveying cylinder, the cutter is close to the position of one side below the spray head, and after the cutter finishes cutting the fiber silk, the cutter cannot influence the work of the spray head.

Preferably, the circle center of the arc-shaped rod and the circle center of the fixed shaft are located on the same axis, and the limiting plate on the fixed shaft can slide on the arc-shaped rod.

Preferably, a reinforcing rod is fixedly connected to the middle position of the front side of the fixing shaft, the lower end of the reinforcing rod is fixedly connected to the upper surface of the substrate, and the reinforcing rod reinforces the space between the fixing shaft and the substrate.

Preferably, clean driving piece includes the protruding piece of fixed connection in base plate rear side lower surface, the front surface horizontally connected with of protruding piece has spacing axle, slidable mounting is cup jointed to the surface of spacing axle has the draw runner piece, fixed surface is connected with the protruding axle on the other end of draw runner piece, the upper end fixed connection of protruding axle in the lower surface of sliding sleeve, the inside of draw runner piece is provided with the sliding tray with spacing axle looks adaptation.

Preferably, one side of the sliding strip block is provided with a rack, and one side of the rack is meshed with a first gear.

Preferably, the outer surface of the limiting shaft is sleeved with a first spring in a sleeved and sliding mode, two ends of the first spring are fixedly connected with the front surface of the protruding block and one end of the sliding strip block respectively, and the pair of sliding strip blocks of the first spring plays a stabilizing role.

Preferably, a servo motor is fixedly arranged on the upper surface of the front side of the base plate, and an output shaft of the servo motor penetrates through the upper surface of the base plate in a rotating mode and is fixedly connected to the upper end of the first gear.

Preferably, a cleaning sleeve is fixedly bonded on the inner surface of the sliding sleeve, and the inner surface of the sliding sleeve is in contact with the outer surface of the cutter.

Preferably, the cleaning sleeve is a rubber member, and the rubber has flexibility and can protect the cutter 23.

Advantageous effects

The invention provides a fiber filament cutting device of a continuous fiber reinforced composite material 3D printer, which has the following beneficial effects compared with the prior art:

1. this cellosilk cutting device of continuous fibers reinforcing combined material 3D printer, through setting up cutting assembly, after the 3D printer printing finishes, under electric putter's work, can make the automatic cellosilk with on the shower nozzle of cutter give and cut off, thereby make the subsequent print work of being convenient for of 3D printer, need not the manual work and cut off, improve the security performance, and under the elasticity of spring two, the cellosilk cuts off the back, the cutter can return to the original position automatically, make it not hinder the shower nozzle normal print work of 3D printer.

2. This cellosilk cutting device of continuous fibers reinforcing combined material 3D printer through set up clean drive assembly on cutting assembly, under servo motor's work, can make the sliding sleeve slide on the cutter, can give the clearance with remaining cellosilk on the cutter and fall, guarantees the cleanliness factor of cutter, and then is favorable to the follow-up effect of cutting off of cutter.

3. This cellosilk cutting device of continuous fibers reinforcing combined material 3D printer sets up clean cover through the inside at the sliding sleeve, can play the guard action to the cutter, prevents that the sliding sleeve from giving the cutter at gliding in-process, and then having played the guard action to the cutter, and this cutting device can be applied to on the 3D printer device of difference simultaneously, has increased the device's application scope nature.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the cutting assembly of the present invention;

FIG. 3 is a schematic view of the connection of the curved rod structure of the present invention;

FIG. 4 is a schematic view of a substrate structure according to the present invention;

FIG. 5 is a schematic view of the cleaning drive configuration of the present invention;

FIG. 6 is a schematic view of the sliding sleeve structure of the present invention.

In the figure: 1. a silk conveying cylinder; 2. cutting the assembly; 21. a fixed shaft; 22. a substrate; 221. a reinforcing rod; 222. a servo motor; 23. a cutter; 24. cleaning the driving member; 241. a raised block; 242. a limiting shaft; 243. a slider block; 244. a protruding shaft; 245. a rack; 246. a first gear; 247. a first spring; 25. a top plate; 26. a second gear; 27. a third gear; 28. adjusting a rod; 29. an electric push rod; 210. a limiting plate; 211. an arcuate bar; 212. a bump; 213. a second spring; 214. a sliding sleeve; 2141. cleaning the sleeve; 3. and (4) a spray head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a cellosilk cutting device of continuous fibers reinforcing combined material 3D printer, includes defeated silk section of thick bamboo 1, the lower extreme fixedly connected with shower nozzle 3 of defeated silk section of thick bamboo 1, the surface of defeated silk section of thick bamboo 1 cup joints and is provided with cutting means 2.

Referring to fig. 2-4, in the embodiment of the present invention, the cutting assembly 2 includes a fixed shaft 21, a base plate 22 is fixedly connected to a lower end of the fixed shaft 21, a cutting knife 23 is fixedly connected to a front side of the base plate 22, a cleaning driving member 24 is disposed on a lower surface of the base plate 22, a top plate 25 is rotatably connected to an upper end of the fixed shaft 21, a second gear 26 is rotatably connected to an upper surface of one end of the top plate 25, a lower end of the second gear 26 is fixedly connected to an upper end of the fixed shaft 21, a third gear 27 is rotatably connected to an upper surface of the top plate 25 at a position of a front side of the second gear 26, the third gear 27 is in meshing engagement with the second gear 26, a one fourth gear block on the third gear 27 is disposed, an adjusting lever 28 is rotatably connected to an upper surface of a rear side of the third gear 27, an electric push rod 29 is disposed on an upper surface of a front side of the top plate 25, an output shaft of the electric push rod 29 is rotatably connected to one end of the adjusting lever 28, a limiting plate 210 is sleeved on an outer surface of the fixed shaft 21 at a position of the top plate 25, an arc-shaped rod 211 penetrates through and is slidably mounted on the side face of one end of the limiting plate 210, two ends of the arc-shaped rod 211 are fixedly connected with convex blocks 212, the upper ends of the two convex blocks 212 are fixedly connected to the lower surface of the top plate 25, the outer surface of one end of the arc-shaped rod 211 is sleeved and slidably mounted with a spring II 213, two ends of the spring II 213 are fixedly connected with one side face of the limiting plate 210 and one side face of the convex block 212 respectively, the outer surface of one end of the cutter 23 is sleeved and slidably mounted with a sliding sleeve 214, the other end of the top plate 25 is sleeved and mounted on the outer surface of the filament conveying cylinder 1, the cutter 23 is close to the position on one side below the nozzle 3, after the cutter 23 finishes cutting the filament, the cutter 23 cannot influence the work of the nozzle 3, the circle center of the arc-shaped rod 211 and the circle center of the fixing shaft 21 are on the same axis, in order that the limiting plate 210 on the fixing shaft 21 can slide on the arc-shaped rod 211, a reinforcing rod 221 is fixedly connected at the middle position on the front side of the fixing shaft 21, the lower ends of the reinforcing rods 221 are fixedly connected to the upper surface of the base plate 22, and the reinforcing rods 221 reinforce the space between the fixed shaft 21 and the base plate 22.

Referring to fig. 4-5, in the embodiment of the present invention, the cleaning driving member 24 includes a protruding block 241 fixedly connected to the lower surface of the rear side of the base plate 22, a limiting shaft 242 is horizontally connected to the front surface of the protruding block 241, a sliding bar 243 is slidably mounted on the outer surface of the limiting shaft 242, a protruding shaft 244 is fixedly connected to the upper surface of the other end of the sliding bar 243, the upper end of the protruding shaft 244 is fixedly connected to the lower surface of the sliding sleeve 214, a sliding groove adapted to the limiting shaft 242 is disposed inside the sliding bar 243, a rack 245 is disposed on one side of the sliding bar 243, a first gear 246 is engaged with one side of the rack 245, a first spring 247 is slidably mounted on the outer surface of the limiting shaft 242, two ends of the first spring 247 are respectively fixedly connected to the front surface of the protruding block 241 and one end of the sliding bar 243, the first spring has a stabilizing effect on the sliding bar 243, a servo motor 222 is fixedly disposed on the upper surface of the front side of the base plate 22, the output shaft of the servo motor 222 rotates through the upper surface of the base plate 22 and is fixedly connected to the upper end of the first gear 246.

Referring to fig. 6, in the embodiment of the present invention, the cleaning sleeve 2141 is fixedly bonded to the inner surface of the sliding sleeve 214, the inner surface of the sliding sleeve 214 contacts with the outer surface of the cutting blade 23, and the cleaning sleeve 2141 is a rubber member, and the rubber has flexibility and can protect the cutting blade 23.

In the above, the model of the electric push rod 29 is SDF-98, which is a single-stroke type, and the model of the servo motor 222 is CH/V.

And those not described in detail in this specification are well within the skill of those in the art.

When the device is used, after printing is finished, the electric push rod 29 works, under the movable connection of the adjusting rod 28, the output shaft of the electric push rod 29 drives the adjusting rod 28 on the gear three 27 to do eccentric motion, so that the adjusting rod 28 drives the gear three 27 to rotate, the gear three 27 drives the gear two 26 engaged with the gear three 27 to rotate, the gear two 26 drives the fixed shaft 21 to rotate, the fixed shaft 21 drives the cutter 23 on the base plate 22 to rotate, so that the cutter 23 rotates towards the position of the spray head 3, meanwhile, the limiting plate 210 on the fixed shaft 21 slides on the arc-shaped rod 211, so that the cutter 23 cuts off the fiber filaments at the lower end of the spray head 3, because the tooth blocks on the gear three 27 are arranged to be one fourth, when the tooth blocks on the gear three 27 leave the tooth blocks on the adjusting rod 28, the spring two 213 automatically restores the limiting plate 210 under the elasticity of the spring two 213, so that the fixed shaft 21 restores to the original position, and further, when the fiber is adhered to the cutter 23, the power of the servo motor 222 is switched on, the servo motor 222 drives the first gear 246 to rotate, the first gear 246 is meshed with the rack 245 on the slide bar block 243, so that the slide bar block 243 slides on the limit shaft 242 under the elasticity of the first spring 247, the convex shaft 244 on the slide bar block 243 drives the sliding sleeve 214 to slide on the cutter 23, the cleaning sleeve 2141 inside the sliding sleeve 214 wipes the fiber on the cutter 23, the surface of the cutter 23 is cleaned, and finally the servo motor 222 is reversed, so that the sliding sleeve 214 on the cutter 23 is restored to the original position.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.