CN212795899U

CN212795899U - Shower nozzle adjusting device and 3D printer

Info

Publication number: CN212795899U
Application number: CN202020997874.XU
Authority: CN
Inventors: 韩聪; 李亦农; 袁纯国; 黄慧宇
Original assignee: Foshan Haohan Technology Co ltd
Current assignee: Foshan Haohan Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-03-26
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a shower nozzle adjusting device and 3D printer, the shower nozzle adjusting device includes angle adjusting device, angle adjusting device includes fine-tuning, fixing base and sets up the rotation seat below the fixing base, the fixing base rotates with the rotation seat through the first pivot of vertical setting, the rotation seat below is equipped with and prints the shower nozzle; the fine adjustment mechanism comprises a bolt seat and a connecting block, wherein an internal thread through hole is formed in the bolt seat, a first bolt is arranged in the internal thread through hole, and the first bolt is movably connected with the connecting block; one of the bolt seat and the connecting block is fixedly arranged on the fixed seat, and the other is fixedly arranged on the rotating seat. The printing nozzle can rotate along with the rotating seat, the length direction of the extrusion hole can be adjusted to be vertical to the moving direction of the printing nozzle, and the printing precision is high; through setting up fine setting mechanism, wrench movement first bolt can finely tune the roating seat.

Description

Shower nozzle adjusting device and 3D printer

Technical Field

The utility model relates to a 3D printing apparatus field, in particular to shower nozzle adjusting device and 3D printer.

Background

For a 3D printer applying a fused deposition manufacturing technology, such as a wax pattern 3D printer, an extrusion hole of a printing nozzle is arranged at the bottom of the printing nozzle, and wax liquid is extruded to a printing table surface below the printing nozzle; the extrusion hole of the printing nozzle is generally rectangular, and the length direction of the extrusion hole is difficult to ensure to be vertical to the movement direction of the printing nozzle when the printing nozzle is installed, so that the printing precision is reduced. In addition, the current 3D printer generally realizes the removal of printing the shower nozzle through installing printing the shower nozzle on the portal frame, the mode that the motor drove the portal frame, because the motor is installed in one side of portal frame, and prints the shower nozzle and install in the middle part of portal frame like this, the accumulated assembly error of each drive disk assembly between motor and the printing shower nozzle is great, leads to printing the precision and descends, especially prints the shower nozzle and need reciprocating motion wax spray, leads to the wax coat to misplace from top to bottom easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a shower nozzle adjusting device and 3D printer.

According to the utility model discloses shower nozzle adjusting device of first aspect embodiment, including angle adjusting device, angle adjusting device includes fine-tuning, fixing base and sets up the rotation seat below the fixing base, the fixing base with rotate the seat through the first pivot rotation of vertical setting, the rotation seat below is equipped with and prints the shower nozzle; the fine adjustment mechanism comprises a bolt seat and a connecting block, wherein an internal thread through hole is formed in the bolt seat, a first bolt is arranged in the internal thread through hole, the axis of the first bolt is not coplanar with the axis of the first rotating shaft, the connecting block is arranged on the axis extension line of the first bolt, one of the bolt seat and the connecting block is fixedly arranged on the fixed seat, and the other one of the bolt seat and the connecting block is fixedly arranged on the rotating seat; the first bolt is movably connected with the connecting block, so that when the first bolt rotates, the connecting block is far away from or close to the bolt seat.

According to the utility model discloses shower nozzle adjusting device has following technological effect at least: when the device is used, the fixed seat is installed on a position adjusting device of the 3D printer, the fixed seat is rotationally connected with the rotating seat, the printing nozzle is arranged on the rotating seat, the printing nozzle can rotate along with the rotating seat, the length direction of the extrusion hole can be adjusted to be perpendicular to the moving direction of the printing nozzle, and the printing precision is high; through setting up fine setting mechanism, wrench movement first bolt can finely tune the roating seat, is convenient for adjust the length direction who extrudes the hole to perpendicular with the moving direction who prints the shower nozzle.

According to some embodiments of the invention, the axis of the first rotating shaft is perpendicular to the axis space of the first bolt.

According to other embodiments of the present invention, the first bolt with the connecting block passes through a first muffjoint, the first sleeve cover in the first bolt outside, the first sleeve with first bolt is rotated and is connected, the first sleeve with the connecting block is articulated, the hinge of articulated department with first pivot is parallel.

According to some embodiments of the invention, the first bolt abuts the connecting block; an elastic component is arranged beside the first bolt, and two ends of the elastic component are respectively connected with the bolt seat and the connecting block.

According to some embodiments of the utility model, the elastic component is the extension spring, the both ends of extension spring respectively with the bolt seat connecting block fixed connection.

According to some embodiments of the utility model, fine-tuning locates rotate the outer edge of seat, the bolt seat is located rotate on the seat, the connecting block is located on the fixing base.

According to the utility model discloses a some embodiments still include position adjustment device, position adjustment device includes bed frame and linear actuator, the bed frame includes the back timber, the fixing base is located the back timber downside, the fixing base with back timber horizontal sliding connection, linear actuator locates on the back timber, linear actuator's expansion end with the fixing base is connected.

According to some embodiments of the utility model, linear actuator is linear electric motor, linear electric motor's the fixed setting of main part is in on the back timber, linear electric motor's active cell with fixing base fixed connection.

According to the utility model discloses 3D printer of second aspect embodiment, including foretell shower nozzle adjusting device, still including printing the mesa, it locates to print the shower nozzle print the mesa top.

According to the utility model discloses 3D printer has following technological effect at least: through setting up shower nozzle adjusting device, the length direction of extruding the hole can be adjusted to perpendicular with the moving direction who prints the shower nozzle, and it is high to print the precision.

Additional aspects and advantages of the invention 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 invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a front view of the 3D printer according to the embodiment of the present invention;

fig. 2 is a schematic structural view of a showerhead adjustment assembly according to some embodiments of the present invention;

FIG. 3 is a schematic bottom view of FIG. 2;

fig. 4 is a schematic structural view of a showerhead adjustment assembly according to further embodiments of the present invention;

fig. 5 is a cross-sectional enlarged schematic view of a portion a in fig. 4.

Reference numerals:

the printing device comprises a top beam 110, a printing table top 120, a linear motor 130, a mover 131, an angle adjusting device 200, a printing nozzle 210, an extrusion hole 211, a rotating seat 220, a bolt seat 221, a first bolt 222, a tension spring 223, a first rotating shaft 230, a fixed seat 240, a connecting block 241 and a first sleeve 242.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "a" or "an" mean one or more, the terms "a" or "an" mean two or more, the terms larger than, smaller than, exceeding, and the like are understood to include the number, and the terms "larger than, smaller than, within, and the like are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The following describes a nozzle adjustment device and a 3D printer according to an embodiment of the present invention with reference to fig. 1 to 3.

According to the utility model discloses shower nozzle adjusting device of first aspect embodiment, including angle adjusting device 200, angle adjusting device 200 includes fine-tuning, fixing base 240 and sets up the rotation seat 220 below fixing base 240, and fixing base 240 rotates with rotation seat 220 through the first pivot 230 of vertical setting, and rotation seat 220 below is equipped with and prints shower nozzle 210; the fine adjustment mechanism comprises a bolt seat 221 and a connecting block 241, wherein an internal thread through hole is formed in the bolt seat 221, a first bolt 222 is arranged in the internal thread through hole, the axis of the first bolt 222 is not coplanar with the axis of the first rotating shaft 230, the connecting block 241 is arranged on the axis extension line of the first bolt 222, one of the bolt seat 221 and the connecting block 241 is fixedly arranged on the fixed seat 240, and the other one of the bolt seat 221 and the connecting block 241 is fixedly arranged on the rotating seat 220; the first bolt 222 is movably connected to the connecting block 241, so that when the first bolt 222 is rotated, the connecting block 241 is far away from or close to the bolt seat 221.

For example, as shown in fig. 2 and 3, the fixed base 240 and the rotating base 220 are both disc-shaped, the fixed base 240, the rotating base 220 and the first rotating shaft 230 are coaxial, the top end of the first rotating shaft 230 can be fixedly connected with the fixed base 240, the bottom end of the first rotating shaft 230 can be connected with the rotating base 220 through an angular contact bearing, the rotating base 220 can smoothly rotate, and the angular contact bearing can bear a vertically downward pulling force, so that the rotating base 220 can be stably arranged at the bottom end of the first rotating shaft 230 without an additional supporting member; the printing nozzle 210 can be installed at the bottom of the rotary base 220 in a bolt connection manner, the extrusion hole 211 of the printing nozzle 210 is formed at the bottom of the printing nozzle 210, and the extrusion hole 211 of the printing nozzle 210 is rectangular and extends back and forth. Three different relative positions of the two straight lines in the space are parallel, intersected or crossed, the axis of the first bolt 222 is not coplanar with the axis of the first rotating shaft 230, namely the axis of the first bolt 222 is crossed with the first rotating shaft 230, and when the first bolt 222 is twisted, the bolt seat 221 and the connecting block 241 are close to or far away from each other, so that the rotating seat 220 can rotate; to facilitate the adjustment of the first bolt, the axis of the first rotating shaft 230 may be disposed to be spatially perpendicular to the axis of the first bolt 222; the fine adjustment mechanism may be disposed at an outer edge of the rotating base 220, between the rotating base 220 and the fixing base 240, or at another suitable position.

When the printing device is used, the fixed seat 240 is installed on a position adjusting device of the 3D printer, the fixed seat 240 is rotatably connected with the rotating seat 220, the printing nozzle 210 is arranged on the rotating seat 220, the printing nozzle 210 can rotate along with the rotating seat 220, the length direction of the extrusion hole 211 can be adjusted to be perpendicular to the moving direction of the printing nozzle 210, and the printing precision is high; by arranging the fine adjustment mechanism, the rotating base 220 can be finely adjusted by twisting the first bolt 222, so that the length direction of the extrusion hole 211 can be conveniently adjusted to be perpendicular to the moving direction of the printing nozzle 210.

In some embodiments of the present invention, the first bolt 222 abuts the connecting block 241; an elastic member is disposed beside the first bolt 222, and two ends of the elastic member are respectively connected to the bolt seat 221 and the connecting block 241. The elastic member may be a tension spring 223, a spring plate, a torsion spring, etc., and it is sufficient that the bolt seat 221 and the connection block 241 have a tendency to approach each other, and the first bolt 222 tightly abuts against the connection block 241.

In some embodiments of the present invention, the elastic member is a tension spring 223, and both ends of the tension spring 223 are respectively fixedly connected to the bolt seat 221 and the connecting block 241. The tension spring 223 can be arranged between the bolt seat 221 and the connecting block 241 and sleeved outside the first bolt 222, so that the structure is simple and the arrangement is convenient.

In some embodiments of the present invention, the fine adjustment mechanism is disposed on the outer edge of the rotating base 220, the bolt base 221 is disposed on the rotating base 220, and the connecting block 241 is disposed on the fixing base 240. Bolt seat 221, connecting block 241 can weld respectively at the right-hand member of rotating seat 220, fixing base 240, first bolt 222 extends the setting from beginning to end, connecting block 241 is located bolt seat 221 rear, first bolt 222 is great with first pivot 230's distance like this, the change of unit distance between bolt seat 221 and the connecting block 241 leads to rotating seat 220 pivoted range less, it is more accurate to extrude the angular adjustment in hole 211, and simultaneously, first bolt 222 sets up the outer edge that rotates seat 220 and also is convenient for wrench movement.

In some embodiments of the utility model, still include position adjustment device, position adjustment device includes bed frame and linear actuator, and the bed frame includes back timber 110, and fixing base 240 locates back timber 110 downside, and fixing base 240 and back timber 110 horizontal sliding connection, linear actuator locate on back timber 110, and linear actuator's expansion end is connected with fixing base 240. Thus, the linear driver directly drives the fixed seat 240, the accumulated assembly error between the linear driver and the printing nozzle 210 is small, the movable end of the linear driver and the gravity center of the angle adjusting device 200 can be arranged on the same vertical plane, the movement error of the transverse movement of the printing nozzle 210 is small, and the printing precision is high; the linear driver may be a servo cylinder, a servo electric cylinder, a linear motor 130, or the like.

In some embodiments of the present invention, the linear actuator is a linear motor 130, a main body of the linear motor 130 is fixedly disposed on the top beam 110, and the mover 131 of the linear motor 130 is fixedly connected to the fixing base 240. As shown in fig. 1, the top beam 110 extends left and right, the linear motor 130 is disposed at the bottom of the top beam 110, the linear motor 130 is parallel to the top beam 110, and the fixing base 240 may be installed on the mover 131 of the linear motor 130 in a bolt connection manner; the linear motor 130 can realize direct transmission at places needing linear motion, can eliminate various positioning errors caused by intermediate links, and has high positioning precision; for a relatively large 3D printer, if the mass of the angle adjusting device 200 is relatively large, the fixing base 240 and the base frame may be connected to each other in a sliding manner, and the linear motor 130 only drives the fixing base 240 to move laterally without bearing the weight of the angle adjusting device 200.

In other embodiments of the present invention, the first bolt 222 is connected to the connecting block 241 through a first sleeve 242, the first sleeve 242 is sleeved outside the first bolt 222, the first sleeve 242 is rotatably connected to the first bolt 222, the first sleeve 242 is hinged to the connecting block 241, and a hinge shaft of the hinge is parallel to the first shaft 230. As shown in fig. 4 and 5, the bolt seat 221 is disposed at the left of the connecting block 241, the bolt seat 221 is fixedly connected with the rotating seat 220, the connecting block 241 is fixedly connected with the fixed seat 240, a through hole penetrating left and right is disposed in the connecting block 241, a first sleeve 242 and a hinge shaft disposed vertically are disposed in the through hole, the first sleeve 242 is hinged to the connecting block 241 through the hinge shaft, the first bolt 222 penetrates through the first sleeve 242 from right to left and is then in threaded connection with the bolt seat 221, a raised annular ridge is disposed in the first sleeve 242, an annular groove matched with the annular ridge is disposed on the first bolt 222, and the first bolt 222 can rotate relative to the first sleeve 242 and cannot move left and right; the bolt seat 221 can be moved away from or closer to the connecting block 241 when the first bolt 222 is twisted.

According to the utility model discloses 3D printer of second aspect embodiment, including foretell shower nozzle adjusting device, still including printing mesa 120, print shower nozzle 210 and locate and print mesa 120 top.

By providing the nozzle adjusting device, the length direction of the extrusion hole 211 can be adjusted to be perpendicular to the moving direction of the printing nozzle 210, and the printing precision is high.

The above description is for the purpose of illustrating the preferred embodiments of the present invention, but the present invention is not limited to the illustrated embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the appended claims.

Claims

1. A spray head adjusting device is characterized in that: the printing device comprises an angle adjusting device, wherein the angle adjusting device comprises a fine adjustment mechanism, a fixed seat and a rotating seat arranged below the fixed seat, the fixed seat is rotatably connected with the rotating seat through a first rotating shaft which is vertically arranged, and a printing spray head is arranged below the rotating seat; the fine adjustment mechanism comprises a bolt seat and a connecting block, wherein an internal thread through hole is formed in the bolt seat, a first bolt is arranged in the internal thread through hole, the axis of the first bolt is not coplanar with the axis of the first rotating shaft, the connecting block is arranged on the axis extension line of the first bolt, one of the bolt seat and the connecting block is fixedly arranged on the fixed seat, and the other one of the bolt seat and the connecting block is fixedly arranged on the rotating seat; the first bolt is movably connected with the connecting block, so that when the first bolt rotates, the connecting block is far away from or close to the bolt seat.

2. The spray head adjustment device of claim 1, wherein: the axis of the first rotating shaft is perpendicular to the axis space of the first bolt.

3. The spray head adjustment device of claim 2, wherein: the first bolt is connected with the connecting block through a first sleeve, the first sleeve is sleeved outside the first bolt, the first sleeve is rotatably connected with the first bolt, the first sleeve is hinged with the connecting block, and a hinge shaft at the hinged position is parallel to the first hinge shaft.

4. The spray head adjustment device of claim 1, wherein: the first bolt is abutted with the connecting block; an elastic component is arranged beside the first bolt, and two ends of the elastic component are respectively connected with the bolt seat and the connecting block.

5. The spray head adjustment device of claim 4, wherein: the elastic component is a tension spring, and two ends of the tension spring are fixedly connected with the bolt seat and the connecting block respectively.

6. The spray head adjustment device of claim 1, wherein: the fine adjustment mechanism is arranged on the outer edge of the rotating seat, the bolt seat is arranged on the rotating seat, and the connecting block is arranged on the fixed seat.

7. The spray head adjustment device of claim 1, wherein: still include position adjustment device, position adjustment device includes bed frame and sharp driver, the bed frame includes the back timber, the fixing base is located the back timber downside, the fixing base with back timber horizontal sliding connection, sharp driver is located on the back timber, sharp driver's expansion end with the fixing base is connected.

8. The spray head adjustment device of claim 7, wherein: the linear driver is a linear motor, a main body of the linear motor is fixedly arranged on the top beam, and a rotor of the linear motor is fixedly connected with the fixed seat.

9. The utility model provides a 3D printer which characterized in that: the nozzle adjustment device of any one of claims 1 to 8, further comprising a printing table, said printing nozzle being disposed above said printing table.