CN215319789U

CN215319789U - Resin heating and stirring device for photocuring 3D printing

Info

Publication number: CN215319789U
Application number: CN202120422033.0U
Authority: CN
Inventors: 刘辉林; 唐京科; 陈春; 敖丹军; 陈晓婵; 曾苑京
Original assignee: Shenzhen Chuangxiang 3D Technology Co Ltd
Current assignee: Shenzhen Chuangxiang 3D Technology Co Ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-12-28
Anticipated expiration: 2031-02-25

Abstract

The utility model discloses a resin heating and stirring device for photocuring 3D printing, which can be arranged on a container for containing resin; resin heating agitating unit that photocuring 3D printed includes handheld portion, (mixing) shaft, supporting seat and heating member, and on the container can be installed to handheld portion, the driving member was established in handheld portion, and the one end of (mixing) shaft links to each other with the output of driving member, is equipped with the stirring rake on the (mixing) shaft, is equipped with the pivot hole on the supporting seat, and the other end of (mixing) shaft rotationally cooperates downtheholely in the pivot, and the heating member is established on the supporting seat, and the heating member is used for heating resin. Adopt the driving piece to drive the epaxial stirring thick liquid of stirring and stir the resin, guarantee the resin degree of consistency to guarantee going on smoothly of follow-up print job. In the process of stirring the resin by the stirring paddle, the heating element can heat the resin, so that the chemical components of the resin quickly reach the optimal activity and viscosity state, and the problem of high printing failure rate caused by low resin activity and high viscosity under the low-temperature condition is solved.

Description

Resin heating and stirring device for photocuring 3D printing

Technical Field

The utility model relates to the technical field of 3D printing, in particular to a resin heating and stirring device for photocuring 3D printing.

Background

The photocuring 3D printing uses liquid photosensitive resin materials, and due to the difference in technology, the photocuring molding technology can manufacture fine and smooth parts, and the molding precision is much higher than that of the FDM (Fused Deposition molding) printing technology.

In order to meet different performance requirements, different oligomers, functional monomers and auxiliaries are often required to be added into the photosensitive resin, in the using process, the photosensitive resin added with other substances is easy to cause insufficient compatibility due to the difference of the polarities of all components, and all components become non-uniform and even delaminate after the photosensitive resin is placed for a long time. If used directly, the resin material will be uneven, resulting in printing failure, product brittleness and other problems.

At present, resin materials are often remixed by directly shaking the resin bottles manually when uneven, but the mode cannot achieve good dispersion effect because uniform and stable shearing force cannot be formed. Particularly, some high-viscosity photosensitive resins and those in low-temperature areas have high viscosity, and a good mixing effect cannot be achieved by simple manual shaking.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a resin heating and stirring device for photocuring 3D printing, which can uniformly stir resin and ensure the uniformity of resin materials, and is simple in structure and convenient to use.

In order to achieve the technical effects, the technical scheme of the utility model is as follows:

the utility model discloses a resin heating and stirring device for photocuring 3D printing, which can be arranged on a container for containing resin; the resin heating and stirring device comprises: a handle mountable to the container; the driving piece is arranged in the handheld part; one end of the stirring shaft is connected with the output end of the driving piece, and a stirring paddle is arranged on the stirring shaft; the support seat is provided with a rotating shaft hole, and the other end of the stirring shaft is rotatably matched in the rotating shaft hole; the heating member is established on the supporting seat, the heating member is used for heating resin. Adopt the driving piece to drive the epaxial stirring thick liquid of stirring and stir the resin, ensured the stirring effect, guaranteed the degree of consistency of resin to guarantee going on smoothly of follow-up print job. In the process of stirring the resin by the stirring paddle, the heating element can heat the resin, so that the chemical components of the resin quickly reach the optimal activity and viscosity state, and the problem of high printing failure rate caused by low resin activity and high viscosity under the low-temperature condition is solved.

In some embodiments, the resin heating stirring apparatus for photocuring 3D printing further includes a temperature sensor provided on the heating member to measure a temperature of the heating member. Temperature sensor can real time monitoring heating member's temperature, avoids the lower or higher phenomenon of resin temperature, ensures that the resin can stir under comparatively suitable temperature all the time, has promoted the even degree of resin to guarantee going on smoothly of follow-up printing work.

In some embodiments, the stirring shaft is provided with a plurality of stirring paddles, and the stirring paddles are distributed at intervals along the axial direction of the stirring shaft. Adopt a plurality of stirring rakes to carry out the resin stirring can promote the even degree of resin to guarantee going on smoothly of follow-up print job.

In some specific embodiments, the paddle comprises: the paddle impeller comprises a plurality of strip-shaped blades which are distributed at intervals along the circumferential direction of the stirring shaft; the blade type impeller comprises a plurality of blades which are distributed at intervals along the circumferential direction of the stirring shaft. The stirring paddles with two different types are adopted for stirring the resin, so that the uniformity of the resin can be improved, and the smooth proceeding of the subsequent printing work is ensured.

In some more specific embodiments, the strip-shaped paddle and the blade are both elastic pieces. When the bottleneck of the container loaded with the resin is small, the strip-shaped paddle and the blades with the elastic pieces can be folded and extend into the bottleneck, so that the resin heating and stirring device for photocuring 3D printing can be suitable for containers of various sizes.

In some embodiments, the handle defines a mounting cavity, the mounting cavity is open at both ends, and the driving member is mounted in the mounting cavity. The driving piece is installed in the installation cavity, and the installation and the disassembly of the driving piece can be facilitated, so that the maintenance of the driving piece is facilitated.

In some specific embodiments, a supporting platform is arranged on the inner peripheral wall of the installation cavity, a matching through hole is arranged on the supporting platform, the driving part is installed on the supporting platform, and one end of the stirring shaft penetrates through the matching through hole to be connected with the driving part. The driving piece is installed on a supporting table, so that the stability of the driving piece is ensured, and the phenomenon that the stirring shaft is inclined due to shaking of the driving piece is avoided, so that the working reliability of the resin heating and stirring device for photocuring 3D printing is ensured.

In some further embodiments, the resin heating and stirring device for photocuring 3D printing further includes a cover body fastened to an end of the handheld portion away from the driving member. Therefore, the volatile resin in the heating and stirring process can be prevented from dissipating to the outside of the container loaded with the resin, so that the resin loss is reduced on one hand, and the harmful effect of the volatile resin on a user is avoided on the other hand.

In some embodiments, the outer peripheral wall of the holding portion is provided with a plurality of holding grooves arranged at intervals in the axial direction thereof. From this, the user can be through holding the handheld portion of groove gripping, has avoided the skew phenomenon of making the stirring rake collision load the container inside of resin of (mixing) shaft to take place betterly to ensure that the (mixing) shaft can rotate steadily in the working process so that the stirring rake stirs resin.

In some embodiments, the resin heating and stirring device for photocuring 3D printing further comprises a bearing, wherein the bearing is fitted in the rotating shaft hole and sleeved on the stirring shaft. The bearing can reduce the friction between the stirring shaft and the rotating shaft hole, and avoid the abrasion of the stirring shaft, thereby prolonging the service life of the stirring shaft.

The resin heating and stirring device for photocuring 3D printing has the beneficial effects that: the driving piece is adopted to drive the stirring shaft to stir, so that the stirring effect is ensured, and the uniformity of resin is ensured, thereby ensuring the smooth proceeding of subsequent printing work. And in the process of stirring the resin by the stirring paddle, the heating element can heat the resin, so that the chemical components of the resin quickly reach the optimal active and viscosity states, and the problems of low resin activity and high printing failure rate caused by high viscosity under the low-temperature condition are solved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic structural diagram of a resin heating and stirring device for photocuring 3D printing according to an embodiment of the present invention.

Fig. 2 is a schematic exploded structural diagram of a resin heating and stirring device for photocuring 3D printing according to an embodiment of the present invention.

Fig. 3 is an enlarged schematic view of fig. 2 at circle a.

Fig. 4 is a cross-sectional view of a handpiece of an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a resin heating and stirring device for photocuring 3D printing and a container for loading resin according to an embodiment of the present invention.

Reference numerals:

1. a hand-held portion; 11. a holding groove; 12. a mounting cavity; 13. a support table; 14. matching with the through hole; 2. a drive member; 3. a stirring shaft; 4. a stirring paddle; 41. a paddle impeller; 42. a blade impeller; 5. a supporting seat; 6. a heating member; 7. a temperature sensor; 8. a bearing; 9. a cover body; 10. a baffle plate; 100. a container.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific structure of the resin heating and stirring apparatus for photocuring 3D printing according to the embodiment of the present invention is described below with reference to fig. 1 to 4.

The utility model discloses a resin heating and stirring device for photocuring 3D printing, which can be mounted on a container 100 for containing resin, as shown in FIG. 5. As shown in fig. 1-4, the resin heating and stirring device includes a handheld portion 1, a driving member 2, a stirring shaft 3, a supporting seat 5, a heating member 6, a temperature sensor 7, a cover 9, and a baffle 10, where the handheld portion 1 can be mounted on a container 100, the handheld portion 1 defines a mounting cavity 12, two ends of the mounting cavity 12 are open, a supporting table 13 is disposed on an inner peripheral wall of the mounting cavity 12, and a matching through hole 14 is disposed on the supporting table 13. The driving part 2 is a motor, the motor is arranged on the supporting table 13, and one end of the stirring shaft 3 passes through the matching through hole 14 to be connected with the output end of the motor. The motor is installed on a supporting table 13, so that the stability of the driving part 2 is ensured, and the phenomenon that the stirring shaft 3 is inclined due to the shaking of the driving part 2 is avoided, so that the working reliability of the resin heating and stirring device for photocuring 3D printing is ensured. The stirring shaft 3 is provided with a stirring paddle 4, the supporting seat 5 is provided with a rotating shaft hole, the other end of the stirring shaft 3 is rotatably matched in the rotating shaft hole, and the bearing 8 is matched in the rotating shaft hole and sleeved on the stirring shaft 3. The heating member 6 is provided on the support base 5, and the heating member 6 is used for heating the resin. The heating element 6 of this embodiment is a PI heating film, and is adhered to a heat conductive carrier, and the heat conductive carrier is aluminum alloy or copper with a high heat conductivity coefficient. A temperature sensor 7 is provided on the heating member 6 to measure the temperature of the heating member 6. The lid 9 lock is equipped with the switch of starter motor in the one end of keeping away from driving piece 2 of handheld portion 1 on the lid 9. A baffle 10 is mounted at the end of the handpiece 1 facing the cover 9.

It will be appreciated that in actual use, the mixer shaft 3 is inserted into the resin-loaded container 100 with the handpiece 1 located outside the mouth of the container 100. The user holds the handheld part 1, then presses the switch on the cover body 9 and then can start the motor to drive the stirring shaft 3 to rotate, and the stirring paddle 4 can stir the resin when the stirring shaft 3 rotates. Compared with the technical scheme of manual stirring, the stirring shaft 3 is driven by the motor to stir, so that the stirring effect is ensured, the uniformity of resin is ensured, and the subsequent printing work is ensured to be smoothly carried out. In the process of stirring the resin by the stirring paddle 4, the heating element 6 can heat the resin, so that the chemical components of the resin can quickly reach the optimal active and viscosity states, and the problems of low resin activity and high printing failure rate caused by high viscosity under the low-temperature condition are solved.

Specifically, as shown in fig. 2 to 3, there are two stirring paddles 4, and the two stirring paddles 4 are spaced apart from each other along the axial direction of the stirring shaft 3. The stirring paddle 4 comprises a paddle impeller 41 and a blade impeller 42, the paddle impeller 41 comprises three strip-shaped blades which are distributed at intervals along the circumferential direction of the stirring shaft 3, and the paddle impeller 41 comprises three blades which are distributed at intervals along the circumferential direction of the stirring shaft 3.

Preferably, the strip-shaped blades and the vanes are elastic pieces. It can be understood that, because the strip-shaped paddle and the blade have certain elasticity, when the resin heating stirring device is placed in a bottle opening, the resin heating stirring device can be bent and extended like a flower bud type, can be unfolded after being placed in the bottle opening, has high fatigue resistance, and can be automatically reset, so that the resin heating stirring device for photocuring 3D printing can be suitable for containers 100 of various sizes.

Preferably, two stirring rake 4 pass through the screw connection on (mixing) shaft 3, just so can adjust the position of stirring rake 4 according to actual need to promote the stirring effect.

Preferably, as shown in fig. 1 to 2, the outer peripheral wall of the hand-held portion 1 is provided with a plurality of holding grooves 11 arranged at intervals in the axial direction thereof. Therefore, a user can conveniently hold the handheld part 1, and the phenomenon that the stirring paddle 4 collides with the inner wall of the container 100 due to the fact that the stirring shaft 3 is inclined in the stirring process is avoided. Further, the surface of the hand-held portion 1 has a slight frosty feel processing effect, and the friction force can be enhanced, thereby further ensuring that the user can stably hold the hand-held portion 1.

Preferably, a USB socket and a power-on indicator lamp are arranged on the cover 9, the USB socket can be used by a user for charging, or can be used while being plugged, and the power-on indicator lamp can be turned on when in a power-on state or a charging state, so as to prompt the charging state or the using state of the user.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. A resin heating and stirring device for photocuring 3D printing, characterized in that the resin heating and stirring device is mountable on a container (100) containing resin; the resin heating and stirring device comprises:

a hand-held portion (1), the hand-held portion (1) being mountable to the container (100);

the driving piece (2), the said driving piece (2) is set up in the said hand-held portion (1);

one end of the stirring shaft (3) is connected with the output end of the driving part (2), and a stirring paddle (4) is arranged on the stirring shaft (3);

the support seat (5) is provided with a rotating shaft hole, and the other end of the stirring shaft (3) is rotatably matched in the rotating shaft hole;

heating member (6), establish heating member (6) on supporting seat (5), heating member (6) are used for heating the resin.

2. The resin heating stirring device for photocuring 3D printing according to claim 1, further comprising a temperature sensor (7), the temperature sensor (7) being provided on the heating member (6) to measure the temperature of the heating member (6).

3. The resin heating stirring device for photocuring 3D printing according to claim 1, wherein the stirring paddle (4) is provided in plurality, and the stirring paddles (4) are distributed at intervals along the axial direction of the stirring shaft (3).

4. The resin heating stirring device for photocuring 3D printing according to claim 3, wherein the stirring paddle (4) comprises:

the paddle impeller (41), the paddle impeller (41) comprises a plurality of strip-shaped blades which are distributed at intervals along the circumferential direction of the stirring shaft (3);

a blade impeller (42), wherein the blade impeller (41) comprises a plurality of blades which are distributed at intervals along the circumferential direction of the stirring shaft (3).

5. The resin heating stirring device for photocuring 3D printing according to claim 4, wherein the strip-shaped blade and the blade are both elastic members.

6. The resin heating stirring device for photocuring 3D printing according to claim 1, wherein the handheld portion (1) defines a mounting cavity (12), two ends of the mounting cavity (12) are arranged in an open mode, and the driving piece (2) is mounted in the mounting cavity (12).

7. The resin heating and stirring device for photocuring 3D printing according to claim 6, wherein a support table (13) is arranged on the inner peripheral wall of the installation cavity (12), a matching through hole (14) is arranged on the support table (13), the driving part (2) is installed on the support table (13), and one end of the stirring shaft (3) passes through the matching through hole (14) and is connected with the driving part (2).

8. The resin heating and stirring device for photocuring 3D printing according to claim 6, further comprising a cover body (9), wherein the cover body (9) is buckled at one end of the handheld part (1) far away from the driving part (2).

9. The resin heating and stirring device for photocuring 3D printing according to claim 1, wherein the outer peripheral wall of the hand-held part (1) is provided with a plurality of holding grooves (11) arranged at intervals along the axial direction thereof.

10. The resin heating stirring device for photocuring 3D printing according to claim 1, further comprising a bearing (8), wherein the bearing (8) is fitted in the rotating shaft hole and sleeved on the stirring shaft (3).