CN215921283U - 3D printer work box - Google Patents

Abstract

The application relates to a 3D printer work box, which comprises a box body, a printing bottom plate, a first driving device and a second driving device, wherein the printing bottom plate is arranged in the box body in a sliding manner; the driving mechanism drives the first flexible connecting piece to enable the first flexible connecting piece to pull the printing bottom plate to move towards the bottom of the box body, the second driving device is arranged on the box body, and the second driving device is connected with the printing bottom plate in a driving mode to drive the printing bottom plate to move away from the bottom of the box body. This scheme can be solved present lifting mechanism and lead to that 3D printer work box occupation space is big and the relatively poor scheduling problem of leakproofness.

Description

3D printer work box

Technical Field

The utility model relates to the technical field of 3D printers, in particular to a 3D printer work box.

Background

At present, the working principle of the additive manufacturing printing technology is as follows: firstly, a layer of raw materials is laid by the blanking mechanism, then a layer of product outline shape is printed by the printing mechanism, the steps are repeated in a circulating mode in such a way, and the raw materials are overlapped layer by layer, so that the whole product is printed, and a specific 3D printed product is formed.

The working box is common equipment of the 3D printer, the working box usually comprises a box body and a lifting mechanism, powder is contained in the box body, the lifting mechanism is connected with a bottom plate in the box body in a driving mode, and therefore the bottom plate can be driven to move to realize layer-by-layer printing. The lifting mechanism of the current working box is generally positioned at the bottom of the box body, so that the box body needs to have higher height to meet the installation requirement of the lifting mechanism, and the working box occupies larger space; in addition, in order to reduce the height space, the lifting mechanism is placed on the side surface of the box body, the side surface of the box body needs to be provided with an opening with a certain width so that the lifting mechanism can realize the lifting function, however, in the mode, the opening needs to be sealed by using a steel belt, so that the problem of sealing reliability cannot be guaranteed, and the sealing steel belt needs to be replaced regularly.

Disclosure of Invention

Based on this, it is necessary to provide a 3D printer work box aiming at the problems of large occupied space and poor sealing performance of the 3D printer work box caused by the existing lifting mechanism.

In order to solve the problems, the utility model adopts the following technical scheme:

the embodiment of the utility model discloses a 3D printer working box which comprises a box body, a printing bottom plate, a first driving device and a second driving device, wherein the printing bottom plate is slidably arranged in the box body;

the driving mechanism drives the first flexible connecting piece so that the first flexible connecting piece pulls the printing bottom plate to move towards the bottom of the box body, the second driving device is arranged on the box body, and the second driving device is connected with the printing bottom plate in a driving mode so as to drive the printing bottom plate to move away from the bottom of the box body.

In one embodiment, the second driving device is a coil spring, and the printing bottom plate is connected with the bottom of the box body through the coil spring.

In one embodiment, the driving mechanism comprises a driving motor, a gear and a rack, the driving motor is slidably disposed on the outer side wall of the box body, the rack is disposed on the outer side wall of the box body and extends along the moving direction of the printing bottom plate, the driving end of the driving motor is engaged with the rack through the gear, and the first end of the first flexible connecting piece is connected with the driving motor.

In one embodiment, the driving mechanism further comprises a bracket, one of the outer side wall of the box body and the bracket is provided with a guide groove, the other one of the outer side wall of the box body and the bracket is provided with a guide protrusion, the guide groove is in sliding fit with the guide protrusion, and the driving motor is arranged on the bracket.

In one embodiment, two ends of the rack are respectively provided with a limiting sensor, the driving motor is provided with a sensor separation blade, and the limiting sensor is in limiting matching with the sensor separation blade.

In one embodiment, the printing bottom plate further comprises a guide assembly, the guide assembly comprises a fixing piece and a roller, the roller is arranged on the fixing piece in a rolling mode, the fixing piece is arranged on the outer edge of the printing bottom plate, and the roller is matched with the inner wall of the box body in a rolling mode in the moving process of the printing bottom plate.

In one embodiment, the second driving device includes a second flexible connecting member and a second guiding member, the second guiding member is disposed on the outer side wall of the box body, one end of the second flexible connecting member is connected to the driving mechanism, and the other end of the second flexible connecting member passes through the second guiding member and is connected to the top surface of the printing base plate.

In one embodiment, the bottom surface of the printing bottom plate is provided with a plurality of spacing blocks distributed at intervals.

In one embodiment, the first driving device further includes a third guide member, the third guide member is disposed on an outer side wall of the box body, the third guide member, the through hole and the first guide member are in the same straight line, and a second end of the first flexible connecting member passes through the third guide member, the through hole and the first guide member respectively and is connected to the bottom surface of the printing base plate.

In one embodiment, the number of the first driving devices is two, and the two driving mechanisms are oppositely arranged on two outer side walls of the box body.

The technical scheme adopted by the utility model can achieve the following beneficial effects:

in the 3D printer working box disclosed by the embodiment of the utility model, the first flexible connecting piece is pulled by the driving mechanism to realize the movement of the printing bottom plate towards the bottom of the box body, and the printing bottom plate is driven by the second driving device to move away from the bottom of the box body, so that the up-and-down movement of the printing bottom plate is finally realized, and the effect of printing layer by layer is ensured. Compared with the existing 3D printer working box, the driving mechanism is arranged on the outer side wall of the box body in the embodiment of the utility model, so that the height of the 3D printer working box can be reduced, and the installation space is saved.

Drawings

FIG. 1 is a cross-sectional view of a 3D printer work box disclosed in an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic view of a portion of the structure of FIG. 1;

FIG. 5 is a schematic structural diagram of a 3D printer work box disclosed in the embodiment of the utility model;

FIG. 6 is a schematic structural diagram of a 3D printer work box according to another embodiment of the disclosure;

FIG. 7 is a cross-sectional view of FIG. 6 at one viewing angle;

fig. 8 is a schematic structural diagram of a guide assembly according to an embodiment of the disclosure.

Description of reference numerals:

100-box, 110-through hole;

200-printing bottom plate, 210-limiting block;

300-a first driving device, 310-a driving mechanism, 311-a driving motor, 312-a gear, 313-a rack, 314-a bracket, 320-a first flexible connecting piece, 330-a first guide piece, 340-a limit sensor, 350-a sensor baffle and 360-a third guide piece;

400-second drive means, 410-second flexible connection, 420-second guide;

510-guide groove, 520-guide projection;

600-guide assembly, 610-fixture, 620-roller.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 8, the embodiment of the utility model discloses a 3D printer work box, the 3D printer work box is a main device of a 3D printer device, a 3D printing product is formed in the 3D printer work box, and the disclosed 3D printer work box includes a box body 100, a printing bottom plate 200, a first driving device 300 and a second driving device 400.

The box 100 is the peripheral structure of 3D printer work box, and box 100 can provide the mounted position for other parts of 3D printer work box, prints bottom plate 200 slidable and sets up in box 100, prints bottom plate 200 promptly and can reciprocate in box 100 to realize printing layer upon layer, and then form specific 3D and print the product.

The first driving device 300 includes a driving mechanism 310, a first flexible connecting member 320, and a first guiding member 330, the driving mechanism 310 may be a rack and pinion driving mechanism or a screw transmission mechanism, and the like, and the embodiment of the utility model is not limited thereto, the driving mechanism 310 is disposed on an outer sidewall of the casing 100, and the bottom of the casing 100 is disposed with the through hole 110, the first guiding member 330 is disposed in the casing 100, and specifically, the first guiding member 330 may be disposed at the bottom of the casing 100, a first end of the first flexible connecting member 320 is connected to the driving mechanism 310, a second end of the first flexible connecting member 320 passes through the through hole 110 and the first guiding member 330, respectively, the first guiding member 330 may change an extending direction of the first flexible connecting member 320, so as to facilitate the overall spatial layout, and at the same time, a second end of the first flexible connecting member 320 passing through the through hole 110 and the first guiding member 330 is connected to the bottom surface of the printing bottom plate 200, to achieve the final connection.

Optionally, the first guiding element 330 may include a connecting frame and a roller, the roller is rollably disposed on the connecting frame, the first guiding element 330 is disposed in the box body 100 through the connecting element, and the second end of the first flexible connecting element 320 is in rolling fit with the roller to guide the first flexible connecting element 320, so that not only a better guiding effect can be achieved, but also the first flexible connecting element 320 can be conveniently moved. Meanwhile, the first flexible connecting element 320 may be a timing belt or a steel cable, etc., which is not limited in this embodiment of the present invention.

In a specific working process, the driving mechanism 310 drives the first flexible connector 320, that is, the driving mechanism 310 pulls the first end of the first flexible connector 320, so that the first flexible connector 320 pulls the printing substrate 200 to move toward the bottom of the box 100, thereby enabling the printing substrate 200 to move upward, the second driving device 400 is disposed in the box 100, the second driving device 400 may be a coil spring, a rack-and-pinion driving mechanism, a lead screw transmission mechanism, or the like, which is not limited in this embodiment of the present invention, the second driving device 400 is connected to the printing substrate 200 in a driving manner, and the second driving device 400 drives the printing substrate 200 to move away from the bottom of the box 100. In this case, the up and down movement of the printing substrate 200 is achieved by the driving of the first and second driving devices 300 and 400, thereby ensuring the 3D printing effect.

As can be seen from the above, in the 3D printer work box disclosed in the embodiment of the present invention, the driving mechanism 310 pulls the first flexible connecting member 320, so as to move the printing base plate 200 toward the bottom of the box 100, and the second driving device 400 drives the printing base plate 200 to move away from the bottom of the box 100, so as to finally realize the up-and-down movement of the printing base plate 200, thereby ensuring the effect of printing layer by layer. Compared with the existing 3D printer work box, in the embodiment of the utility model, the driving mechanism 310 is arranged on the outer side wall of the box body 100, so that the height of the 3D printer work box can be reduced, and the installation space is saved, and in addition, the first driving device 300 disclosed by the embodiment of the utility model does not need to be provided with an opening on the side surface of the box body 100 through belt transmission, so that the sealing reliability of the box body 100 can be ensured, and the cost can be saved.

In an alternative embodiment, the second driving device 400 may be a coil spring, and referring to fig. 1 and 2, the printing substrate 200 and the bottom of the casing 100 may be connected by a coil spring, that is, one end of the coil spring is connected to the bottom surface of the printing substrate 200, and the other end of the coil spring is connected to the bottom of the casing 100. Under this kind of circumstances, through coil spring's elastic force to the drive prints bottom plate 200 and keeps away from the bottom of box 100 and removes, the second drive arrangement 400 of this kind of structure simple structure, and the drive is effectual, and can also practice thrift the cost, and simultaneously, coil spring can also guarantee that first flexible connecting piece 320 can be in the tensioning state all the time, and then guarantees the drive effect. Of course, the coil spring is always in a compressed state within the stroke range of the printing substrate 200, so that the coil spring always has an elastic force to ensure that the printing substrate 200 can be driven to move. Of course, in the above case, the second driving device 400 may also be a multi-stage hydraulic jacking device or a telescopic rod device, and the embodiment of the utility model is not limited thereto.

Further, in order to enable the second driving device 400 to generate a better driving effect on the printing base plate 200, the number of the coil springs may be multiple, and the coil springs may be distributed at intervals, for example, the number of the coil springs may be four, four coil springs may be uniformly distributed between the printing base plate 200 and the bottom of the box 100, and the coil springs may provide a larger elastic force, so as to better drive the printing base plate 200, and further, through the cooperation with the first driving device 300, to achieve a better driving effect on the printing base plate 200.

In another alternative embodiment, the second driving device 400 may include a second flexible connecting element 410 and a second guiding element 420, the second guiding element 420 may be disposed on an outer sidewall of the box 100, that is, the second guiding element 420 may also include a connecting frame and a roller, the roller is rollably disposed on the connecting frame, the second guiding element 420 is disposed on an outer sidewall of the box 100 through a connecting element, one end of the second flexible connecting element 410 is connected to the driving mechanism 310, and the other end of the second flexible connecting element 410 passes through the second guiding element 420, that is, the second end of the second flexible connecting element 410 is in rolling fit with the roller, so as to guide the second flexible connecting element 410, and the second flexible connecting element 410 guided by the second guiding element 420 is connected to the top surface of the printing base plate 200, so as to implement integral assembly, please refer to fig. 3.

In this case, the first flexible connector 320 and the second flexible connector 410 share the driving mechanism 310, so that in the process of moving the driving mechanism 310 up and down, the first flexible connector 320 is pulled by the driving mechanism 310 to realize the movement of the printing base plate 200 towards the bottom of the box 100, and the second flexible connector 410 is pulled by the driving mechanism 310 to realize the movement of the printing base plate 200 away from the bottom of the box 100, and finally, the up and down movement of the printing base plate 200 is realized, so that the effect of printing layer by layer is ensured. Through this kind of mode can realize printing the removal of bottom plate 200 more easily to make the printing effect better, under this condition, first flexible connector 320 and second flexible connector 410 restrict each other moreover, so that first flexible connector 320 and second flexible connector 410 are all in the tensioning state, and then guarantee the printing effect.

In the disclosed embodiment of the present invention, optionally, the driving mechanism 310 may include a driving motor 311, a gear 312 and a rack 313, the driving motor 311 may be slidably disposed on an outer sidewall of the box 100, that is, the driving motor 311 may be slidably disposed on the outer sidewall of the box 100 through a sliding chute or the like, the rack 313 may be disposed on the outer sidewall of the box 100, a length direction of the rack 313 may extend along a moving direction of the printing backplane 200, a driving end of the driving motor 311 may be engaged with the rack 313 through the gear 312, that is, the gear 312 may be fixedly disposed at the driving end of the driving motor 311, and the gear 312 is engaged with the rack 313, so as to ensure that the gear 312 may move on the rack 313, and the first end of the first flexible connecting element 320 may be connected to the driving motor 311.

In a specific working process, the driving motor 311 rotates through the driving gear 312, so that the driving motor 311 can move in the extending direction of the rack 313 to drive the first end of the first flexible connecting member 320 to move, and further drive the printing substrate 200 to move. Compare in other types of actuating mechanism, this kind of structure can provide more stable drive power for first flexible connecting piece 320 to can be better to the drive stability who prints bottom plate 200, and then can guarantee the 3D and print the effect.

Further, the driving mechanism 310 may further include a bracket 314, the bracket 314 may provide a mounting position for other structures of the driving mechanism 310, specifically, in the outer side wall of the box 100 and the bracket 314, one of the guide groove 510 and the other of the guide groove 510 and the bracket 314 may be provided with a guide protrusion 520, the guide groove 510 may be slidably engaged with the guide protrusion 520, so that the bracket 314 may slide on the outer side wall of the box 100, of course, in this case, the guide groove 510 may extend along the moving direction of the printing base plate 200, so as to ensure that the bracket 314 may move along the direction of the printing base plate 200, and the driving motor 311 may be disposed on the bracket 314, so as to facilitate the mounting stability of the driving motor 311, and in operation, the driving motor 311 operates to drive the bracket 314 to move. The bracket 314 enables the drive mechanism 310 to be compact and thus facilitates the overall assembly.

In an alternative embodiment, both ends of the rack 313 may be respectively provided with a limit sensor 340, the driving motor 311 may be provided with a sensor stop 350, and the limit sensor 340 may be matched with the sensor stop 350 in a limit manner. In this case, the movement stroke of the printing substrate 200 can be determined by the cooperation of the limit sensor 340 and the sensor flap 350, thereby preventing the printing substrate 200 from moving excessively to affect the printing effect.

The 3D printer work box disclosed in the embodiment of the present invention may further include a guide assembly 600, the guide assembly 600 may include a fixing member 610 and a roller 620, the roller 620 may be rollably disposed on the fixing member 610, optionally, the fixing member 310 may be provided with an accommodating groove, a connecting shaft may be disposed in the accommodating groove, and the roller 620 may be rollably disposed on the connecting shaft, of course, the roller 620 and the fixing member 610 may also be in other rolling connection manners, which is not limited in this embodiment of the present invention.

The fixing member 610 may be provided at an outer edge of the printing substrate 200 so that the roller 620 may be directed toward an inner wall of the casing 100, so that the roller 620 may be in rolling engagement with the inner wall of the casing 100 during the movement of the printing substrate 200. This kind of mode not only can make the removal effect of printing bottom plate 200 better, and moreover, gyro wheel 620 can play the effect of direction to make printing bottom plate 200 can be through gyro wheel 620 and the abundant contact of box 100 inner wall, thereby can prevent to print bottom plate 200 and produce the skew phenomenon at the removal in-process, and then can guarantee to print the effect.

Further, in order to better guide the printing base plate 200, the number of the guide assemblies 600 may be multiple, and the plurality of guide assemblies 600 may be distributed at intervals along the circumferential direction of the printing base plate 200, in this case, the plurality of rollers 620 may guide the printing base plate 200 during the moving process, so that the moving stability of the printing base plate 200 is better.

In the embodiment of the present invention, the bottom surface of the printing substrate 200 may be provided with a plurality of spacing blocks 210 distributed at intervals. The plurality of stoppers 210 can prevent the printing substrate 200 from directly contacting the bottom of the casing 100, thereby preventing the printing substrate 200 from moving and damaging the bottom of the casing 100 due to interference between the printing substrate and the casing. Optionally, the limiting block 210 may be a flexible member, such as a plastic member or a wooden member, so as to ensure a better limiting effect.

In the disclosed embodiment of the utility model, the first driving device 300 may further include a third guide 360, the third guide 360 may be disposed on an outer sidewall of the box 100, the third guide 360, the through hole 110 and the first guide 330 may be in the same straight line, and the second end of the first flexible connecting member 320 may respectively pass through the third guide 360, the through hole 110 and the first guide 330 and may be connected to the bottom surface of the printing base 200. In this case, the extending direction of the first flexible connector 320 can be changed twice by the first guide 330 and the third guide 360, so as to ensure that the driving mechanism 310 on the outer side wall of the box 100 can be better connected with the printing substrate 200 through the first flexible connector 320. In this way, the first flexible connector 320 occupies less space, thereby facilitating the spatial layout of other components of the 3D printer work box.

In an alternative embodiment, the number of the first driving devices 300 may be two, and the two driving mechanisms 310 in the two first driving devices 300 may be oppositely disposed on the two outer sidewalls of the box 100. In this case, the printing substrate 200 can be pulled by the two first flexible connectors 320, so that the driving stability of the printing substrate 200 can be improved while a better driving effect on the printing substrate 200 is ensured.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A3D printer work box is characterized by comprising a box body (100), a printing bottom plate (200), a first driving device (300) and a second driving device (400), the printing bottom plate (200) is arranged in the box body (100) in a sliding way, the first driving device (300) comprises a driving mechanism (310), a first flexible connecting piece (320) and a first guiding piece (330), the driving mechanism (310) is arranged on the outer side wall of the box body (100), a through hole (110) is arranged at the bottom of the box body (100), the first guide piece (330) is arranged in the box body (100), a first end of the first flexible connector (320) is connected with the driving mechanism (310), the second end of the first flexible connecting piece (320) passes through the through hole (110) and the first guide piece (330) respectively and is connected with the bottom surface of the printing bottom plate (200);

the driving mechanism (310) drives the first flexible connecting piece (320) to enable the first flexible connecting piece (320) to pull the printing bottom plate (200) to move towards the bottom of the box body (100), the second driving device (400) is arranged on the box body (100), and the second driving device (400) is connected with the printing bottom plate (200) in a driving mode to drive the printing bottom plate (200) to move away from the bottom of the box body (100).

2. The 3D printer cabinet according to claim 1, characterized in that the second driving means (400) is a helical spring, by means of which the printing bottom plate (200) is connected to the bottom of the cabinet (100).

3. The 3D printer working box according to claim 1, characterized in that the driving mechanism (310) comprises a driving motor (311), a gear (312) and a rack (313), the driving motor (311) is slidably arranged on the outer side wall of the box body (100), the rack (313) is arranged on the outer side wall of the box body (100) and extends along the moving direction of the printing bottom plate (200), the driving end of the driving motor (311) is meshed with the rack (313) through the gear (312), and the first end of the first flexible connecting piece (320) is connected with the driving motor (311).

4. The 3D printer work box according to claim 3, characterized in that the driving mechanism (310) further comprises a bracket (314), one of the outer side wall of the box body (100) and the bracket (314) is provided with a guide groove (510), the other one is provided with a guide protrusion (520), the guide groove (510) is in sliding fit with the guide protrusion (520), and the driving motor (311) is arranged on the bracket (314).

5. The 3D printer work box according to claim 3, characterized in that two ends of the rack (313) are respectively provided with a limit sensor (340), the driving motor (311) is provided with a sensor baffle (350), and the limit sensor (340) is in limit matching with the sensor baffle (350).

6. The 3D printer work box of claim 1, characterized by further comprising a guide assembly (600), wherein the guide assembly (600) comprises a fixing member (610) and a roller (620), the roller (620) is rollably arranged on the fixing member (610), the fixing member (610) is arranged on the outer edge of the printing bottom plate (200), and the roller (620) is in rolling fit with the inner wall of the box body (100) during the movement of the printing bottom plate (200).

7. The 3D printer work box according to claim 1, characterized in that the second driving device (400) comprises a second flexible connecting piece (410) and a second guiding piece (420), the second guiding piece (420) is arranged on the outer side wall of the box body (100), one end of the second flexible connecting piece (410) is connected with the driving mechanism (310), and the other end of the second flexible connecting piece (410) passes through the second guiding piece (420) and is connected with the top surface of the printing bottom plate (200).

8. The 3D printer work box according to claim 1, characterized in that the bottom surface of the printing bottom plate (200) is provided with a plurality of spacing blocks (210).

9. The 3D printer working box according to claim 1, characterized in that the first driving device (300) further comprises a third guiding member (360), the third guiding member (360) is disposed on an outer side wall of the box body (100), the third guiding member (360), the through hole (110) and the first guiding member (330) are in the same straight line, and a second end of the first flexible connecting member (320) passes through the third guiding member (360), the through hole (110) and the first guiding member (330), respectively, and is connected to the bottom surface of the printing bottom plate (200).

10. The 3D printer cabinet according to claim 1, characterized in that the number of the first driving devices (300) is two, and the two driving mechanisms (310) are oppositely arranged on two outer side walls of the cabinet (100).

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