CN219494619U - 3D printing consumables dewatering equipment - Google Patents

Abstract

The utility model discloses 3D printing consumable dehydration equipment which comprises a dehydration tank, wherein the dehydration tank is arranged in the dehydration tank, a partition plate is arranged in the dehydration tank, through holes for ventilation or water leakage are formed in a shrinkage partition plate, an upper space of the partition plate is used for containing and extruding and drying and dehydrating consumable materials, a lower space of the partition plate is used for ventilation or water collection, an air inlet for ventilation and a water outlet for overflow are formed in the side edge of the lower space of the partition plate, which is opposite to the air inlet, an extrusion piece is arranged at the top end of the inner side of the dehydration tank, the extrusion piece is positioned right above a notch of the dehydration tank, a fan is arranged at the side edge of the dehydration tank and is used for introducing dry hot air into the dehydration tank in the dehydration tank, and the fan is communicated with the air inlet through a coiled pipe. According to the utility model, through the cooperation of the extrusion piece and the dewatering tank, raw materials are in a relatively closed space, the raw materials can be extruded and dewatered firstly, then float, dry and dewater through hot air blowing, no raw materials are lost, and the drying and dewatering are more thorough.

Description

3D printing consumables dewatering equipment

Technical Field

The utility model relates to the technical field of 3D printing equipment, in particular to 3D printing consumable dehydration equipment.

Background

A 3D printing, namely a rapid prototyping technology, also called additive manufacturing, is a technology for constructing objects by using powdery metal or plastic and other bondable materials in a layer-by-layer printing mode based on digital model files.

For raw materials of plastic materials, copolymer materials such as PLA, ABS, PETG, PVA are generally used, the grain size is usually about 100 μm, and usually 3D printing consumables are required to be ground and cleaned before being used, and the consumables all have certain water absorbability and need to be removed by means of extrusion, drying and the like, if moisture in the consumables is not removed, the consumables are wetted, so that the molecular weight of the consumables is reduced, the consumables are easy to brittle fracture, a series of bubbles can be generated in the printing process, and the conditions of wiredrawing, surface roughness and blushing of a printed model can occur. The dehydration moisture-proof treatment of the printing raw material is critical.

Chinese patent (application number 2020229700328) discloses a 3D printing and consuming material dewatering equipment, through all fixed mounting have drying blower in processing case upper surface and lower surface left and right sides, four sets of drying blower's air-out end all fixed intercommunication has the stoving cover to dry the consumptive material. In addition, a fixed support rod is vertically and fixedly arranged in the middle of the upper surface of the inner wall of the treatment box, and the bottom of the fixed support rod is fixedly connected with the middle of the upper surface of the compaction block; the middle part of the lower surface of the treatment box is fixedly communicated with a water collecting cover, and a filter screen is fixedly arranged at the communicated part of the water collecting cover and the treatment box. According to the technical scheme, the material can be compressed in the material transmission process through the compressing blocks in the middle part in the treatment box, the dehydration effect can be achieved, the drying fans and the drying hoods which are symmetrically distributed on the upper side and the lower side of the treatment box in a two-by-two mode can dry the upper side and the lower side of the material, the dehydration drying effect is improved, and the drying machine is practical. But this technical scheme has a problem, namely the device carries out the stoving processing for the upper and lower both sides of raw and other materials in the transmission through four stoving covers, but when the drying-machine lets in steam to the processing incasement, because raw material particle diameter is less, and steam can blow away the raw materials and drop, leads to the raw materials loss great, and simultaneously, it compresses tightly raw and other materials through the briquetting, and when the rear end was dried, because the raw materials is the transmission dry, the raw materials that is located the middle part is because the gas permeability is poor, drying time is short scheduling problem, can not get abundant drying, causes the drying not thoroughly, influences the follow-up use.

Disclosure of Invention

The utility model mainly aims to provide 3D printing consumable dehydration equipment so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a 3D printing consumable dehydration apparatus comprising:

the dehydration tank is used for dehydrating the 3D printing consumables;

the dewatering tank is arranged in the dewatering tank and used for extrusion or drying and dewatering of consumable materials, a partition plate is arranged in the dewatering tank, through holes for ventilation or water leakage are formed in the shrinkage partition plate, the upper space of the partition plate is used for containing and extrusion and drying and dewatering of the consumable materials, the lower space of the partition plate is used for ventilation or water collection, and an air inlet for ventilation and a water outlet for overflow are formed in the side edge of the lower space of the partition plate, opposite to the air inlet;

the extrusion piece is arranged at the top end of the inner side of the dewatering box and is positioned right above the notch of the dewatering box and used for extruding consumable raw materials in the dewatering box or being in closed fit with the notch of the dewatering box, so that the upper space of the dewatering box forms a closed drying space;

the fan is arranged on the side edge of the dewatering box and used for introducing drying hot air into the dewatering box in the dewatering box, and the fan is communicated with the air inlet through a coiled pipe.

Further, the upper parts of two opposite sides of the dewatering box are respectively provided with a feed inlet and a material suction inlet, the feed inlet and the material suction inlet are respectively arranged in an inclined state with the side of the dewatering box, a first rubber sleeve and a second rubber sleeve which are convenient for sliding of a pipeline are respectively sleeved in the feed inlet and the material suction inlet, a slidable feed pipe is arranged in the first rubber sleeve in a penetrating manner, and a slidable material suction pipe is arranged in the second rubber sleeve in a penetrating manner.

Further, the lower parts of two opposite side surfaces of the dewatering box are respectively provided with a vent and a water outlet, one end of the vent is communicated with the air outlet of the fan, the other end of the vent is communicated with the air inlet through a coiled pipe, and the water outlet is communicated with the water outlet through the coiled pipe.

Further, a side tilting member capable of adjusting the inclination of the dewatering box to the feed inlet or the suction inlet is arranged between the bottom end of the dewatering box and the box bottom of the dewatering box.

Further, the piece that heels includes extension board, first telescopic link, second telescopic link, the bottom vertical fixation of extension board is at the bottom of the case of dewatering box, the top of extension board articulates in the bottom of dewatering box, first telescopic link, second telescopic link set up in the both sides of extension board, the bottom of dewatering box is articulated to the one end of first telescopic link, second telescopic link, and the other end articulates in the bottom of dewatering box, first telescopic link sets up in the one side that is close to the feed inlet, the second telescopic link sets up in the one side that is close to the suction inlet.

Further, the dewatering tank is pentagonal in shape, and comprises a rectangular receiving part and a triangular collecting part, wherein the collecting part is arranged on one side close to the material suction opening.

Further, a plurality of air escape holes are annularly formed in the top end of the side face of the dewatering tank, and sponge is arranged in the air escape holes.

Further, the through holes are round table-shaped holes.

Further, the extrusion piece is including being used for the third telescopic link of adjustment position, being used for the extrusion raw materials or with the inclosed stripper plate of notch and being used for promoting the seal cover of the airtight between stripper plate and the inner wall of dehydration groove notch, the top at the dehydration box is fixed to the one end of third telescopic link, the stripper plate has been installed to the other end of third telescopic link, the stripper plate is located the notch directly over, the side cover of stripper plate is equipped with the seal cover.

The utility model has the beneficial effects that: according to the utility model, through the cooperation of the extrusion piece and the dewatering tank, raw materials are enabled to be in a relatively closed space, the raw materials can be extruded and dewatered firstly, then are blown by hot air to float, dried and dewatered, no raw materials are lost, the drying and dewatering are more thorough, and the subsequent use of consumable raw materials is facilitated.

Drawings

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

FIG. 2 is a schematic diagram of the blanking structure of the present utility model;

FIG. 3 is a schematic drawing of a suction structure according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the material sucking extrusion material sucking device of the utility model;

FIG. 5 is a schematic diagram of the structure of the material sucking and drying raw material in the utility model;

FIG. 6 is a schematic top view of the dewatering trough of the present utility model;

in the figure: 1. a dewatering box; 2. a dewatering tank; 3. an extrusion; 4. a blower; 11. a feed inlet; 12. a material suction port; 13. a first rubber sleeve; 14. a second rubber sleeve; 15. a feed pipe; 16. a suction pipe; 17. a vent; 18. a water outlet; 21. a partition plate; 22. a through hole; 23. an air inlet; 24. a water outlet; 25. a notch; 26. a receiving part; 27. a material gathering part; 28. an air escape hole; 29. a sponge; 31. a third telescopic rod; 32. an extrusion plate; 33. sealing sleeve; 41. a serpentine tube; 5. a roll member; 51. a support plate; 52. a first telescopic rod; 53. and a second telescopic rod.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the described embodiments are merely some, but not all embodiments of the present utility model. Embodiments and features of embodiments in this application may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A 3D printing consumables dehydration device comprises a dehydration tank 1 and a dehydration device for dehydrating 3D printing consumables;

a dewatering tank 2 which is arranged in the dewatering tank 1 and is used for extrusion or drying and dewatering of consumable materials, a baffle plate 21 is arranged in the dewatering tank 2, a through hole 22 used for ventilation or water leakage is formed in the baffle plate 21, the upper space of the baffle plate 21 is used for containing and extrusion and drying and dewatering of consumable materials, the lower space of the baffle plate 21 is used for ventilation or water collection, an air inlet 23 used for ventilation and a water outlet 24 used for overflow on the side opposite to the air inlet 23 are formed in the side of the lower space of the baffle plate 21;

the extrusion part 3 is arranged at the top end of the inner side of the dewatering box 1 and is positioned right above the notch 25 of the dewatering box 2 and is used for extruding consumable materials in the dewatering box 2 or being in closed fit with the notch 25 of the dewatering box 2 so that the upper space of the dewatering box 2 forms a closed drying space;

and the fan 4 is arranged on the side edge of the dewatering box 1 and is used for introducing drying hot air into the dewatering box 2 in the dewatering box 1, and the fan 4 is communicated with the air inlet 23 through a coiled pipe 41.

In an embodiment, the upper parts of two opposite sides of the dewatering box 1 are respectively provided with a feed inlet 11 for feeding consumables and a suction inlet 12 for discharging the consumables after dewatering and drying, the feed inlet 11 and the suction inlet 12 are respectively arranged in an inclined state with the sides of the dewatering box 1, the feed inlet 11 and the suction inlet 12 are respectively internally sleeved with a first rubber sleeve 13 and a second rubber sleeve 14 which are convenient for sliding through pipelines, the first rubber sleeve 13 is internally penetrated with a slidable feed pipe 15, the second rubber sleeve 14 is internally penetrated with a slidable suction pipe 16, the feed pipe 15 is used for feeding the consumables and is usually connected with a feeding machine, when feeding is needed, the feed pipe 15 is downwards pressed, the bottom end of the feed pipe 15 is positioned above a notch 25 of the dewatering box 2, after discharging is finished, the feed pipe 15 is backwards pumped, the bottom end of the feed pipe 15 is far away from the notch 25 of the dewatering box 2, and the dewatering and drying actions of the dewatering box 2 are avoided. Similarly, if the dehydrated and dried consumable is required to be taken out, the suction pipe 16 is required to be pressed down, so that the lower end of the suction pipe 16 is positioned in the dehydration tank 2, and then the suction pipe 16 is communicated with equipment such as a dust collector, and the dehydrated and dried consumable can be sucked from the dehydration tank 2.

In one embodiment, the lower parts of two opposite side surfaces of the dewatering box 1 are respectively provided with a vent 17 for introducing dry hot air into the dewatering box 1 and a drain outlet 18 for draining water, one end of the vent 17 is communicated with the air outlet of the fan 4, one end of the vent is communicated with the air inlet 23 through a coiled pipe 41, and the drain outlet 18 is communicated with the water outlet 24 through the coiled pipe 41.

In an embodiment, in order to control the dewatering tank 2 to be capable of fast matching with feeding, discharging, dewatering and other operations according to requirements, a side tilting member 5 capable of adjusting the inclination of the dewatering tank 2 to the feeding port 11 or the suction port 12 may be arranged between the bottom end of the dewatering tank 2 and the tank bottom of the dewatering tank 1.

In an embodiment, the side tilting member 5 includes a supporting plate 51 for supporting the dewatering tank 2, a first telescopic rod 52 and a second telescopic rod 53 for adjusting the side tilting of the dewatering tank 2, wherein the bottom end of the supporting plate 51 is vertically fixed at the bottom of the dewatering tank 1, and the top end of the supporting plate 51 is hinged to the bottom end of the dewatering tank 2, so that the dewatering tank 2 can tilt towards both sides of the supporting plate 51 with the supporting plate 51 as an axis. The first telescopic link 52, the setting of second telescopic link 53 are in the both sides of extension board 51, and the one end of first telescopic link 52, second telescopic link 53 articulates the bottom of the case at dewatering box 1, and the other end articulates the bottom at dewatering box 2, and first telescopic link 52 sets up in the one side that is close to feed inlet 11, and the setting of second telescopic link 53 is in the one side that is close to suction inlet 12, so, when needs feeding, only need adjust first telescopic link 52 shrink, and the second telescopic link 53 is extended simultaneously, can adjust the dehydration. When the material is required to be discharged, the first telescopic rod 52 is adjusted to be elongated, meanwhile, the second telescopic rod 53 is adjusted to be contracted and long, the inclination of the dewatering tank 2 towards one side of the material suction opening 12 can be adjusted, and then the dewatered and dried consumable raw materials are sucked away through the material suction pipe 16 in the material suction opening 12. In addition, when the dewatering tank 2 is inclined toward the suction port 12, the accumulated water at the bottom of the dewatering tank 2 can be completely discharged through the water outlet 24.

Preferably, in order to facilitate normal drainage, the water outlet 24 is formed at the side of the dewatering tank 2 and near the bottom of the dewatering tank 2, and the air inlet 23 is formed at the side of the dewatering tank 2 and near the bottom of the partition 21 in order to prevent water from flowing backward into the blower 4.

In an embodiment, the shape of the dewatering tank 2 is not particularly required, and the dewatering tank 2 is rectangular or circular, so long as the dewatering tank 2 can be extruded and dewatered by matching with the extrusion piece 3, preferably, in order to match with the side tilting piece 5 to adjust the discharging of the dewatering tank 2 and optimize the discharging of the dewatering tank 2, the dewatering tank 2 can be pentagonally shaped, specifically, the dewatering tank 2 comprises a rectangular receiving part 26 and a triangular collecting part 27, the collecting part 27 is arranged on the side close to the suction port 12, and thus when the dewatering tank 2 inclines towards the side of the suction port 12, the dehydrated consumable raw materials in the dewatering tank 2 are collected to the collecting part 27, and suction of the suction pipe 16 is facilitated.

In an embodiment, in order to form a closed space between the notch 25 of the dewatering tank 2 and the extrusion piece 3, so that the upper space of the dewatering tank 2 can float and dewater in the closed open space in the ventilation process to promote airflow circulation, a plurality of air escape holes 28 are annularly arranged at the top end of the side face of the dewatering tank 2, hot air at the fan 4 conveniently enters the lower space of the dewatering tank 2 from the air inlet 23, the consumable raw material to be dried is blown up through the through holes 22 into the upper space of the dewatering tank 2 to form a fluidized bed-like drying mode, airflow escapes from the air escape holes 28, and the material is discharged through the material suction holes 12, and in order to avoid raw material loss waste caused by blockage of the raw material to the air escape holes 28 or overflow of the raw material from the air escape holes 28, the sponge 29 is arranged in the air escape holes 28, so that the airflow can be conveniently passed on one hand, and the overflow of the consumable raw material can be prevented on the other hand. The sponge 29 is replaced periodically according to the actual use time.

Preferably, in order to prevent the partition 21 from being deformed and reduced during extrusion of the raw material, the plastic material of the copolymer material used in the present apparatus is such that the through holes 22 in the partition 21 are blocked, so that the drying air flow in the later stage cannot pass through, the through holes 22 are formed as circular truncated cone-shaped holes, i.e., the upper holes have a small diameter and a large bottom hole diameter, the upper holes have a diameter smaller than the particle diameter of the raw material, generally about 60% of the minimum particle diameter of the raw material, for example, the particle diameter of the consumable raw material is 50-100 μm, the upper holes of the through holes 22 can be set to 30 μm, and the lower holes are set to 50 μm, so that the through holes 22 are not easily blocked on the one hand, and on the other hand, the lower holes are easily ventilated during the later stage ventilation, the upper holes have a small diameter, so that the flow rate of the air flow can be raised, and the raw material can be supported for drying.

In one embodiment, in order to enable the extrusion 3 to extrude the raw material in the dewatering tank 2, dewater the raw material and adjust the position, so that the extrusion 3 and the notch 25 of the dewatering tank 2 can form a closed drying space, the extrusion 3 comprises a third telescopic rod 31 for adjusting the position, an extrusion plate 32 for extruding the raw material or sealing the notch 25, and a sealing sleeve 33 for improving the sealing performance between the extrusion plate 32 and the inner wall of the notch of the dewatering tank, wherein one end of the third telescopic rod 31 is fixed at the top of the dewatering tank 1, and the extrusion plate 32 is arranged at the other end of the third telescopic rod. The extrusion plate 32 is perpendicular to the third telescopic rod 31, the extrusion plate 32 is located right above the notch 25, the shape of the extrusion plate 32 is identical to that of the notch 25, the side edge of the extrusion plate 32 is sleeved with the sealing sleeve 33, the extrusion plate 32 can slide up and down in the upper space of the dewatering tank 2 under the adjustment of the third telescopic rod 31, and a closed space is formed between the extrusion plate 32 and the side walls of the partition plate 21 and the dewatering tank 2, similar to an injector, so that the raw materials can float and dry conveniently. In practical operation, the extrusion depth is generally set according to the water absorption of the specific raw materials, but for most copolymers, such as ABS, PETG, etc., the extrusion depth is generally half of the depth of the raw materials, that is, the thickness of the raw materials laid flat before extrusion is 30cm, then the extrusion plate 32 extrudes the raw materials downwards at most, when the thickness of the raw materials becomes 15cm, the extrusion is stopped, on one hand, if the raw materials are extruded too tightly, the air permeability after the raw materials are extruded is poor, for example, the passage of the post-drying air flow is poor, on the other hand, during the pressing down extrusion, the raw materials particles at the through holes 22 may be extruded and deformed, are extruded into the through holes 22, block the through holes 22, or overflow from the through holes 22, so that the raw materials are wasted.

Preferably, the sealing sleeve 33 can be made of silicone rubber, which has excellent plastic property, good friction resistance, no toxicity, no smell, environmental protection and safety, and does not pollute consumable raw materials.

The first telescopic rod 52, the second telescopic rod 53 and the third telescopic rod 31 can be selected from the existing electric telescopic rods, and can achieve the purposes of extension and contraction, such as a tetram U8 type electric push rod, and the utility model is not limited in any way.

The application principle of the utility model is as follows: before drying, adjust first telescopic link shrink, the extension of second telescopic link, make the dewatering tank incline to the feed inlet, through the inlet pipe unloading, the unloading finishes, adjust first telescopic link rise, the shrink of second telescopic link, make the dewatering tank reciprocal incline to both sides, make the consumptive material raw materials tiling in the dewatering tank, then adjust first telescopic link, the second telescopic link resets, make dewatering tank bottom level, adjust the extension of third telescopic link, make the stripper plate advance in the drawing dewatering tank, extrude the consumptive material raw materials, extrude the moisture in the consumptive material raw materials, enter into the lower part space of dewatering tank through the through-hole, discharge from the delivery port. After extrusion is completed, the third telescopic rod is controlled to move upwards, the extrusion plate seals the notch, then a fan is started to introduce hot air, high-pressure hot air is introduced into raw materials after extrusion and dehydration, consumable raw materials float and dry, after the drying time is reached, the third telescopic rod is adjusted to continue to shrink, the extrusion plate is pulled out of the dehydration tank, then the first telescopic rod is controlled to extend, the second telescopic rod is controlled to shrink, the dehydration tank is inclined to one side of the material suction port, and then the dehydrated and dried raw materials are sucked and stored through the material suction pipe.

The embodiments of the utility model have been described in detail above, but they are merely examples, and the utility model is not limited to the above-described embodiments. It will be apparent to those skilled in the art that any equivalent modifications or substitutions to this utility model are within the scope of the utility model, and therefore, all equivalent changes and modifications, improvements, etc. that do not depart from the spirit and scope of the principles of this utility model are intended to be covered by this utility model.

Claims (9)

1. A 3D printing consumable dehydration apparatus, comprising:

the device comprises a dewatering box for dewatering 3D printing consumables;

the dewatering tank is arranged in the dewatering tank and used for extrusion or drying and dewatering of consumable materials, a partition plate is arranged in the dewatering tank, through holes for ventilation or water leakage are formed in the shrinkage partition plate, the upper space of the partition plate is used for containing and extrusion and drying and dewatering of the consumable materials, the lower space of the partition plate is used for ventilation or water collection, and an air inlet for ventilation and a water outlet for overflow are formed in the side edge of the lower space of the partition plate, opposite to the air inlet;

the extrusion piece is arranged at the top end of the inner side of the dewatering box and is positioned right above the notch of the dewatering box and used for extruding consumable raw materials in the dewatering box or being in closed fit with the notch of the dewatering box, so that the upper space of the dewatering box forms a closed drying space;

the fan is arranged on the side edge of the dewatering box and used for introducing drying hot air into the dewatering box in the dewatering box, and the fan is communicated with the air inlet through a coiled pipe.

2. A 3D printing consumable dehydration apparatus as defined in claim 1, wherein: the upper parts of two opposite sides of the dewatering box are respectively provided with a feed inlet and a suction inlet, the feed inlet and the suction inlet are respectively arranged in an inclined state with the side of the dewatering box, a first rubber sleeve and a second rubber sleeve which are convenient for sliding of a pipeline are respectively sleeved in the feed inlet and the suction inlet, a slidable feed pipe is arranged in the first rubber sleeve in a penetrating manner, and a slidable suction pipe is arranged in the second rubber sleeve in a penetrating manner.

3. A 3D printing consumable dehydration apparatus as defined in claim 1, wherein: the lower parts of two opposite side surfaces of the dewatering box are respectively provided with a vent and a water outlet, one end of the vent is communicated with the air outlet of the fan, the other end of the vent is communicated with the air inlet through a coiled pipe, and the water outlet is communicated with the water outlet through the coiled pipe.

4. A 3D printing consumable dehydration apparatus as defined in claim 1, wherein: and a side tilting piece capable of adjusting the inclination of the dewatering box to the feed inlet or the suction inlet is arranged between the bottom end of the dewatering tank and the bottom of the dewatering box.

5. A 3D printing consumable dehydration apparatus as defined in claim 4, wherein: the side tilting member comprises a support plate, a first telescopic rod and a second telescopic rod, wherein the bottom end of the support plate is vertically fixed at the bottom of the dewatering box, the top end of the support plate is hinged to the bottom end of the dewatering box, the first telescopic rod and the second telescopic rod are arranged on two sides of the support plate, one end of the first telescopic rod and one end of the second telescopic rod are hinged to the bottom of the dewatering box, the other end of the first telescopic rod is hinged to the bottom end of the dewatering box, the first telescopic rod is arranged on one side close to the feed inlet, and the second telescopic rod is arranged on one side close to the suction inlet.

6. A 3D printing consumable dehydration apparatus as defined in claim 1, wherein: the shape of the dewatering tank is pentagonal, the dewatering tank comprises a rectangular receiving part and a triangular collecting part, and the collecting part is arranged on one side close to the material suction opening.

7. A 3D printing consumable dehydration apparatus as defined in claim 6, wherein: a plurality of air escape holes are annularly arranged at the top end of the side face of the dewatering tank, and sponge is arranged in the air escape holes.

8. A 3D printing consumable dehydration apparatus as defined in claim 1, wherein: the through holes are round table-shaped holes.

9. A 3D printing consumable dehydration apparatus as defined in claim 1, wherein: the extrusion piece is including being used for the third telescopic link of adjustment position, being used for the extrusion raw materials or with the inclosed stripper plate of notch and being used for promoting the seal cover of the airtight between stripper plate and the inner wall of dewatering tank notch, the top at the dewatering tank is fixed to the one end of third telescopic link, the stripper plate has been installed to the other end of third telescopic link, the stripper plate is located the notch directly over, the side cover of stripper plate is equipped with the seal cover.