CN210257156U - Cooling device for 3D printing wire rod extrusion - Google Patents

Abstract

The utility model discloses a 3D prints cooling device for wire extrusion, including the cooling bath, the cooling bath includes a plurality of basins, a plurality of the basins splice into along length direction the cooling bath, the concatenation department of basin is equipped with the punishment in advance, punishment in advance installs water proof subassembly, the one end of cooling bath is installed and is cooled off the joint in advance, the other end of cooling bath is installed and is removed water the subassembly, install a plurality of groups of delivery roller in the cooling bath, the utility model discloses through setting up a plurality of basins, and make the temperature in the basin reduce to the discharge end of wire rod from the feed end of wire rod in proper order, avoided the wire rod quality problem that just extruded wire rod meets the water that the temperature is lower, the temperature in each basin reduces in proper order, can guarantee again that the wire rod obtains fully cooling, the water proof subassembly set up has avoided the water in each basin to mix each other, the water temperature in each water tank is influenced to be kept, and the water on the surface of the wire rod subjected to water cooling is removed by the water removal component, so that the subsequent coiling of the wire rod is facilitated.

Description

Cooling device for 3D printing wire rod extrusion

Technical Field

The utility model relates to a 3D prints wire rod technical field, especially indicates a 3D prints wire rod and extrudes and use cooling device.

Background

3D printing is an emerging material forming technology and is a great innovation and progress in the material forming technology. Its demand and requirement for consumables has also prompted the development of extruders for their consumable processing. As a wide range of 3D printing consumables, plastics have a great promoting effect on the development and application of 3D printing technology. The consumptive material extruder is the device supporting with the 3D printer, and the consumptive material melts at first in the consumptive material extruder, and the cooling forms filiform consumptive material after the consumptive material after melting is extruded, and filiform consumptive material is delivered to and is carried out 3D and print in the 3D printer. Be equipped with cooling device in the discharging pipe outside, prevent that the extruded consumptive material of extruder from adhering at the discharging pipe wall and causing the ejection of compact slow, the poor consequence of ejection of compact quality, but current cooling device is direct the letting in cold water after the extrusion molding is accomplished, and this can cause the wire rod to receive rapid cooling, influences the quality of product.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a cooling device for 3D printing wire extrusion, which is used to solve one or all of the above problems.

Based on above-mentioned purpose the utility model provides a pair of 3D prints wire rod and extrudes and use cooling device, including the cooling bath, the cooling bath includes a plurality of basins, and is a plurality of the basin splices into along length direction the cooling bath, the concatenation department of basin is equipped with the punishment in advance hole, punishment in advance hole department installs the water proof subassembly, precooling joint is installed to the one end of cooling bath, dewatering subassembly is installed to the other end of cooling bath, install a plurality of groups delivery rolls in the cooling bath.

Further, the water-stop assembly comprises a first stop piece, a second stop piece is slidably mounted in the first stop piece, the first stop piece and the second stop piece close the material passing hole in a free state, and when a wire passes through the material passing hole, the wire pushes the first stop piece and the second stop piece to move, so that the first stop piece and the second stop piece surround a passing hole which is collinear with the material passing hole.

Further, first piece of blockking includes first fixed part and first flexible portion, first fixed part is installed the concatenation department of basin, the middle part of first flexible portion is equipped with the spout, be equipped with first breach in the spout, the second is blockked and is included second fixed part and second flexible portion, the second fixed part is installed the concatenation department of basin is located the upper portion of first fixed part, second flexible portion slidable mounting be in the spout, the tip of second flexible portion is equipped with the second breach, under the free state, second flexible portion shelters from first breach, when the wire rod passes during the punishment in advance hole, the wire rod drives second flexible portion follows the spout slides, first breach with the second breach encloses into pass the hole.

Further, organ covers are arranged between the first fixing portion and the first flexible portion and between the second fixing portion and the second flexible portion.

Furthermore, the pre-cooling joint comprises a pre-cooling pipe, the pre-cooling pipe is communicated with the cooling pool, a spiral cooling pipe is wound on the inner side of the pre-cooling pipe, the water inlet end and the water outlet end of the spiral cooling pipe are both communicated with the cooling pool, and a water pump is mounted at the water inlet end of the spiral cooling pipe.

Furthermore, the water removal assembly comprises a gas distribution disc, the gas distribution disc is communicated with an external gas source, a blowing disc is rotatably mounted on one side of the gas distribution disc, a plurality of blowing cavities are circumferentially arranged on the blowing disc, and the blowing cavities are communicated with the external gas source through the gas distribution disc.

Further, the outlets of the purging cavities face the rotation center of the purging disc.

Further, the sweeping hole cavity is spirally arranged.

From the above, can see, the utility model provides a 3D prints wire rod and extrudes and uses cooling device, through setting up a plurality of basins, and make the temperature in the basin reduce in proper order to the discharge end of wire rod by the feed end of wire rod, the wire rod of having avoided just the extrusion molding to go out meets the wire rod quality problem that the lower water of temperature and caused, the temperature in each basin reduces in proper order, can guarantee again that the wire rod obtains fully cooling, the water intermix in each basin has been avoided in setting up of water proof subassembly, influence the maintenance of temperature in each basin, water removal component will detach through the water on water-cooled wire rod surface, the subsequent book of the wire rod of being convenient for.

Drawings

Fig. 1 is a schematic view of a cooling device for 3D printing wire extrusion according to an embodiment of the present invention;

fig. 2 is a front view of a water stop assembly according to an embodiment of the present invention;

fig. 3 is a side view of a water stop assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of a pre-cooling joint according to an embodiment of the present invention;

fig. 5 is a schematic view of a water removal assembly according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

Based on above-mentioned purpose the utility model provides a pair of 3D prints wire rod and extrudes and uses cooling device, as the utility model discloses an embodiment, as shown in fig. 1, including cooling bath 1, cooling bath 1 includes a plurality of basins 11, and is a plurality of basin 11 splices into along length direction cooling bath 1, the concatenation department of basin 11 is equipped with punishment in advance hole 2, punishment in advance hole 2 department installs water proof subassembly 3, precooling joint 4 is installed to cooling bath 1's one end, dewatering subassembly 5 is installed to cooling bath 1's the other end, install a plurality of groups delivery rolls 6 in cooling bath 1. Wherein, the temperature in the basin 11 is reduced to the discharge end of wire rod in proper order by the feed end of wire rod, this setting has avoided the wire rod of just extruding to meet the wire rod quality problem that the lower water of temperature caused, the temperature in each basin 11 reduces in proper order, can guarantee again that the wire rod obtains fully cooling, water proof subassembly 3's setting has avoided the water intermixing in each basin 11, influence the maintenance of temperature in each basin 11, water removal subassembly 5 will detach through the water on water-cooled wire rod surface, be convenient for the subsequent book of wire rod.

Further, in order to achieve the water-blocking effect of the water-blocking assembly 3, as shown in fig. 2 and 3, the water-blocking assembly 3 includes a first blocking member 31, a second blocking member 32 is slidably mounted in the first blocking member 31, the first blocking member 31 and the second blocking member 32 close the material passing hole 2 in a free state, and when a wire passes through the material passing hole 2, the wire pushes the first blocking member 31 and the second blocking member 32 to move, so that the first blocking member 31 and the second blocking member 32 surround a passing hole 33 which is collinear with the material passing hole 2. Wherein, this setting makes when there is not the wire rod to pass through, and first 31 and the second of blockking block 32 and seal material passing hole 2, and each basin 11 is in the state of cutting off, and when the wire rod passes through, first 31 and the second of blockking block 32 close the enclosing and form and pass the hole 33 that can supply the wire rod to pass through, have guaranteed that the water in each basin 11 also communicates each other when the wire rod passes through, have guaranteed the differentiation of temperature in each basin 11, and then have guaranteed the effect to the wire rod stage cooling.

Further, in order to realize the water-blocking function of the water-blocking assembly 3, the first blocking member 31 includes a first fixing portion 311 and a first flexible portion 312, the first fixing portion 311 is installed at the joint of the water tank 11, a sliding groove 313 is provided at the middle of the first flexible portion 312, a first notch 314 is arranged in the sliding groove 313, the second blocking member 32 includes a second fixing portion 321 and a second flexible portion 322, the second fixing portion 321 is installed at the splicing position of the water tank 11, and is located at the upper portion of the first fixing portion 311, the second flexible portion 322 is slidably mounted in the sliding slot 313, the end of the second flexible portion 322 is provided with a second notch 323, and in a free state, the second flexible portion 322 covers the first notch 314, when the wire passes through the material passing hole 2, the wire drives the second flexible part 322 to slide along the sliding groove 313, the first notch 314 and the second notch 323 enclose the through hole 33. Wherein, first flexible portion 312 and second flexible portion 322 are elastic material, under free state, first flexible portion 312 slides in the spout 313 under the effect of elastic force, first flexible portion 312 blocks first breach 314, and then seal punishment in advance hole 2, when the wire rod passed punishment in advance hole 2, wire rod top moved second flexible portion 322, make second flexible portion 322 by the interior roll-off of spout 313, first breach 314 and second breach 323 surround and enclose and pass through hole 33, the wire rod passes through by passing through hole 33, get into basin 11 and cool off.

Further, in order to avoid water leakage when the first flexible portion 312 and the second flexible portion 322 slide, an organ cover (not shown) is disposed between the first fixing portion 311 and the first flexible portion 312, and between the second fixing portion 321 and the second flexible portion 322. The organ cover shields a gap generated when the first flexible portion 312 and the second flexible portion 322 are displaced.

Further, in order to avoid the blocking of the outlet due to the sticking when the wire rod is extruded, as shown in fig. 4, the pre-cooling joint 4 includes a pre-cooling pipe 41, one end of the pre-cooling pipe 41 is communicated with the extruder, the other end of the pre-cooling pipe 41 is communicated with the cooling tank 1, a spiral cooling pipe 42 is wound on the inner side of the pre-cooling pipe 41, both the water inlet end and the water outlet end of the spiral cooling pipe 42 are communicated with the cooling tank 1, and a water pump 43 is installed at the water inlet end of the spiral cooling pipe 42. Wherein, the water pump 43 in the water tank 11 is pumped into the spiral cooling pipe 42 by the water pump 43, and the wire rod entering the pre-cooling pipe 41 is pre-cooled by the water in the spiral cooling pipe 42, so that the wire rod is prevented from blocking the discharge hole.

Further, in order to remove water on the surface of the wire rod, as shown in fig. 5, the water removal assembly 5 includes a gas distribution disc 51, the gas distribution disc 51 is communicated with an external air source, a purge disc 52 is rotatably mounted on one side of the gas distribution disc 51, a plurality of purge holes 53 are circumferentially arranged on the purge disc 52, and the purge holes 53 are communicated with the external air source through the gas distribution disc 51. When the wire passes through the air distribution disc 51, the external air source passes through the air distribution disc 51 with compressed air, the air distribution disc 51 leads the compressed air into the blowing disc 52, and the compressed air is blown out from the blowing hole cavity 53 to blow and remove water on the surface of the wire.

Further, in order to realize the moisture purging on the wire surface, the outlets of the purging holes 53 are all towards the rotation center of the purging disc 52. Wherein, this setting makes and sweeps vestibule 53 all can face the wire rod surface, can realize sweeping of wire rod surface moisture.

Further, in order to optimize the purging effect, the purging hole 53 is spirally disposed. When compressed air is sprayed out from the blowing pore cavity 53, because the blowing pore cavity 53 is spirally arranged, the sprayed air flow has reverse driving force on the blowing disc 52, the reverse driving force can drive the blowing disc 52 to rotate along the air distribution disc 51, the rotation of the blowing disc 52 can enable all surfaces of the wire rods to be blown through air, and the blowing effect is optimized.

When the wire rod pre-cooling device is used, the wire rod is extruded by an extruder and is introduced into the cooling pool 1 through the pre-cooling pipe 41, when the wire rod passes through the pre-cooling pipe 41, the water pump 43 in the water tank 11 is introduced into the spiral cooling pipe 42 through the water pump 43, the water in the spiral cooling pipe 42 pre-cools the wire rod entering the pre-cooling pipe 41, and the wire rod is prevented from blocking a discharge hole; when the wire passes through the material passing hole 2, the wire pushes the second flexible part 322 to enable the second flexible part 322 to slide out of the sliding groove 313, the first notch 314 and the second notch 323 surround to form a through hole 33, the wire passes through the through hole 33 and enters the water tank 11 for cooling, the conveying roller 6 drives the wire to move and sequentially passes through the water tank 11, and further the wire is cooled in stages, when the wire is discharged from the cooling pool 1, the wire passes through the air distribution disc 51, the external air source passes through the air distribution disc 51, the air distribution disc 51 introduces the compressed air into the blowing disc 52, the compressed air is blown out from the blowing hole cavity 53, and the water on the surface of the wire is blown and removed; the utility model discloses a set up a plurality of basins 11, and make the temperature in the basin 11 reduce in proper order to the discharge end of wire rod by the feed end of wire rod, the wire rod of having avoided just the extrusion molding to go out meets the wire rod quality problem that the lower water of temperature caused, the temperature in each basin 11 reduces in proper order, can guarantee again that the wire rod obtains abundant cooling, water-proof subassembly 3's setting has avoided the water intermixing in each basin 11, influence the maintenance of temperature in each basin 11, water removal subassembly 5 will detach through the water on water-cooled wire rod surface, the subsequent book of the wire rod of being convenient for.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a 3D prints cooling device for wire rod extrusion, its characterized in that, includes the cooling bath, the cooling bath includes a plurality of basins, and is a plurality of the basin splices into along length direction the cooling bath, the concatenation department of basin is equipped with the punishment in advance hole, punishment in advance hole department installs water proof subassembly, the precooling joint is installed to the one end of cooling bath, dewatering subassembly is installed to the other end of cooling bath, install a plurality of groups delivery roller in the cooling bath.

2. The 3D printing wire extrusion cooling device according to claim 1, wherein the water-stop assembly comprises a first stop member, a second stop member is slidably mounted in the first stop member, the first stop member and the second stop member close the material passing hole in a free state, and when a wire passes through the material passing hole, the wire pushes the first stop member and the second stop member to move, so that the first stop member and the second stop member surround a passing hole which is collinear with the material passing hole.

3. The cooling device for 3D printing wire extrusion according to claim 2, the first blocking piece comprises a first fixing part and a first flexible part, the first fixing part is arranged at the splicing position of the water tank, the middle part of the first flexible part is provided with a sliding groove, a first gap is arranged in the sliding groove, the second blocking part comprises a second fixed part and a second flexible part, the second fixed part is arranged at the splicing part of the water tank, and is positioned at the upper part of the first fixed part, the second flexible part is arranged in the sliding groove in a sliding way, the end part of the second flexible part is provided with a second notch, the second flexible part shields the first notch in a free state, when the wire rod passes through the material passing hole, the wire rod drives the second flexible portion to slide along the sliding groove, and the first notch and the second notch surround to form the passing hole.

4. The cooling device for 3D printing wire extrusion according to claim 3, wherein an organ cover is arranged between the first fixing part and the first flexible part and between the second fixing part and the second flexible part.

5. The cooling device for 3D printing wire extrusion according to claim 1, wherein the pre-cooling joint comprises a pre-cooling pipe, the pre-cooling pipe is communicated with the cooling pool, a spiral cooling pipe is wound on the inner side of the pre-cooling pipe, both a water inlet end and a water outlet end of the spiral cooling pipe are communicated with the cooling pool, and a water pump is installed at the water inlet end of the spiral cooling pipe.

6. The cooling device for 3D printing wire extrusion according to claim 1, wherein the water removal assembly comprises a gas distribution disc, the gas distribution disc is communicated with an external air source, a blowing disc is rotatably mounted on one side of the gas distribution disc, a plurality of blowing cavities are circumferentially arranged on the blowing disc, and the blowing cavities are communicated with the external air source through the gas distribution disc.

7. The cooling device for 3D printing wire extrusion as defined in claim 6, wherein outlets of the purge cavities are all directed toward a rotation center of the purge disk.

8. The cooling device for 3D printing wire extrusion according to claim 7, wherein the purge hole cavity is spirally arranged.

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