CN214354198U - Shower nozzle adjusting device and 3D printer - Google Patents

Abstract

The utility model relates to a 3D printer technical field specifically discloses a shower nozzle adjusting device and 3D printer, and this shower nozzle adjusting device includes first backplate, adjusting part and first shower nozzle. Wherein, first shower nozzle passes through adjusting part to be installed in first backplate, and adjusting part includes support, connecting plate, elastic component and adjusting bolt. The support is fixed in first backplate, and the connecting plate can slide along vertical direction relative to first backplate, and first shower nozzle sets up in the connecting plate. Adjusting bolt and one threaded connection in support and the connecting plate, peg graft with another in support and the connecting plate, and the elastic component is in compression state and is configured as and makes adjusting bolt and another butt in support and the connecting plate, revolves soon adjusting bolt, adjusting bolt will drive the relative support of connecting plate and move along vertical direction, adjustable first shower nozzle in the position of vertical direction, the leveling mode is simple, effective, and the elastic component can prevent that adjusting bolt is not hard up, guarantees the position stability of first shower nozzle.

Description

Shower nozzle adjusting device and 3D printer

Technical Field

The utility model relates to a 3D printer technical field especially relates to a shower nozzle adjusting device and 3D printer.

Background

Under the intelligent promotion of computer digital technology, the field of 3D printing technology application is wider and wider, and especially FDM hot melt technology is favored by DIY fans more and more.

The FDM forming technology is to heat the solid low-melting point filiform material to a semi-molten state, first to form threads, then to converge the threads into layers, and then to stack the layers one by one. The mode printing speed is low, the time consumption is long, the requirement of batch production cannot be met, and the batch high-efficiency printing of the model cannot be realized due to the single-nozzle mode printing in the market at present.

To this end, the prior art provides a dual spray printer, can realize printing at two shower nozzles of independent control on the X axle guide rail, this dual spray printer need not to wash when two kinds of filiform materials switch or switch, printing material and time have been saved, printing efficiency has been improved, but when current dual spray printer printed the model, can't guarantee simultaneously that two shower nozzles beat the high coincidence of printer head Z axle, usually compensate the difference through software, but if the difference is great, compensation adjustment inefficiency, also can't adjust to same height fast effectively, very easily appear the leveling not good and print surface quality low or print the failure when printing the first layer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a shower nozzle adjusting device and 3D printer to the Z axle height that beats printer head of two shower nozzles of solving double spray head printer among the prior art, usually through software compensation difference, compensation regulation inefficiency also can't adjust the problem to same height fast effectively.

In one aspect, the utility model provides a shower nozzle adjusting device, this shower nozzle adjusting device includes:

a first back plate;

an adjustment assembly including a bracket fixed to the first backplate, a connecting plate slidable in a vertical direction with respect to the first backplate, an elastic member, and an adjustment bolt, the adjustment bolt being threadedly connected to one of the bracket and the connecting plate and being inserted into the other of the bracket and the connecting plate, the elastic member being in a compressed state and configured to abut the adjustment bolt against the other of the bracket and the connecting plate:

the first spray head is arranged on the connecting plate.

As a preferred technical scheme of the spray head adjusting device, the spray head adjusting device further comprises two optical bars fixedly arranged on the support, the two optical bars extend along the vertical direction and are arranged at intervals, and the connecting plate is sleeved on the two optical bars in a sliding manner.

As the preferred technical scheme of the spray head adjusting device, the elastic pieces are two pressure springs, and the two pressure springs are respectively sleeved on the two feed rods.

As a preferred technical scheme of the nozzle adjusting device, the bracket comprises an upper bracket and a lower bracket, the upper bracket and the lower bracket are both fixedly connected with the first back plate, and two ends of each light bar are respectively in plug-in fit with the upper bracket and the lower bracket; the adjusting bolt is in threaded connection or abutted connection with the upper support.

As the preferred technical scheme of the spray head adjusting device, the adjusting bolt is abutted to the upper support and is in threaded connection with the connecting plate, the elastic piece is positioned between the upper support and the connecting plate, and the elastic piece is respectively abutted to the upper support and the connecting plate.

As a preferred technical scheme of the spray head adjusting device, the adjusting bolt comprises a screw rod part and a limiting part arranged at one end of the screw rod part, the outer diameter of the limiting part is larger than that of the screw rod part, and a step surface is formed between the limiting part and the screw rod part;

the screw rod portion penetrates through the upper support and is in threaded connection with the connecting plate, and the step surface is abutted to the upper support.

As a preferred technical solution of the nozzle adjusting device, the nozzle adjusting device further comprises a linear slide rail fixedly arranged on the support, and a slide block slidably connected with the linear slide rail; the linear slide rail extends along the vertical direction, and the connecting plate is fixedly connected with the sliding block.

As the preferable technical scheme of the spray head adjusting device, a handle for being held by hands is arranged on the adjusting bolt.

As a preferred technical scheme of the spray head adjusting device, the spray head adjusting device further comprises a second back plate and a second spray head, wherein the second back plate and the first back plate are arranged at intervals in the horizontal direction, and the second spray head is fixed on the second back plate.

On the other hand, the utility model provides a D printer, shower nozzle adjusting device in above-mentioned arbitrary scheme.

The utility model has the advantages that:

the utility model provides a shower nozzle adjusting device, this shower nozzle adjusting device include first backplate, adjusting part and first shower nozzle. Wherein, first shower nozzle passes through adjusting part to be installed in first backplate, and adjusting part includes support, connecting plate, elastic component and adjusting bolt. The support is fixed in first backplate, and the connecting plate can slide along vertical direction relative to first backplate, and first shower nozzle sets up in the connecting plate. The adjusting bolt is in threaded connection with one of the support and the connecting plate and is inserted into the other of the support and the connecting plate, and the elastic piece is in a compressed state and is configured to enable the adjusting bolt to abut against the other of the support and the connecting plate. And the adjusting bolt is screwed, the adjusting bolt drives the connecting plate to move along the vertical direction relative to the support, the position of the first spray head in the vertical direction can be adjusted, and the leveling mode is simple, convenient and effective. And after the position of first shower nozzle was adjusted, under the effect of elastic component, can prevent that adjusting bolt is not hard up, and then guarantee the position stability of first shower nozzle.

The utility model provides a 3D printer, including foretell shower nozzle adjusting device to shower nozzle adjusting device's beneficial effect has.

Drawings

Fig. 1 is a schematic structural view of a nozzle adjusting device according to an embodiment of the present invention;

fig. 2 is a schematic view of a part of the structure of the nozzle adjusting device in the embodiment of the present invention;

FIG. 3 is an exploded view of a portion of a sprinkler head adjustment device according to an embodiment of the present invention;

fig. 4 is a first schematic structural diagram of a 3D printer according to an embodiment of the present invention;

fig. 5 is a schematic view of a part of the structure of the 3D printer according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of the 3D printer in the embodiment of the present invention.

In the figure:

1. a second back plate;

2. a second nozzle;

3. a first back plate;

4. an adjustment assembly; 41. a support; 411. an upper bracket; 412. a lower bracket; 42. a connecting plate; 43. an elastic member; 44. adjusting the bolt; 441. a screw section; 442. a limiting part; 443. a handle;

5. a first nozzle;

6. a polished rod;

71-a base; 72-a scaffold; 73-guide 73

8. A second drive mechanism; 81. a second drive wheel; 82. a second driven wheel; 83. a second motor; 84. a second synchronous belt;

9. a first drive mechanism; 91. a lead screw; 92. a first motor; 93. a lead screw nut; 94. a support plate;

10. a left detection piece; 20. a right detection member;

30-a second roller; 40-first roller.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "second", "first", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "second," "first," and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "second position" and "first position" are two different positions, and where a second feature is "on", "over" and "above" a first feature includes the second feature being directly above and obliquely above the first feature, or simply means that the second feature is higher in level than the first feature. A second feature "under", "beneath" and "beneath" a first feature includes a second feature that is directly under and obliquely below the first feature, or simply means that the second feature is at a lesser level than the first feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to 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 function 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.

As shown in fig. 1 to 3, the present embodiment provides a nozzle adjusting apparatus, which includes a first backing plate 3, an adjusting assembly 4 and a first nozzle 5. Wherein, first shower nozzle 5 passes through adjusting part 4 to be installed in first backplate 3, and first backplate 3 is used for being connected with a actuating mechanism of 3D printer to carry out horizontal position control to first shower nozzle 5. The adjusting assembly 4 includes a bracket 41, a connecting plate 42, an elastic member 43, and an adjusting bolt 44. The bracket 41 is fixed to the first backboard 3, the connecting plate 42 can slide in the vertical direction relative to the first backboard 3, and the first nozzle 5 is disposed on the connecting plate 42. The adjusting bolt 44 is screw-coupled with one of the bracket 41 and the connecting plate 42, is inserted into the other of the bracket 41 and the connecting plate 42, and the elastic member 43 is in a compressed state and is configured to abut the adjusting bolt 44 against the other of the bracket 41 and the connecting plate 42.

When adjusting bolt 44 and support 41 threaded connection and with connecting plate 42 butt, twist adjusting bolt 44 soon, adjusting bolt 44 will feed along vertical direction relative support 41 to drive connecting plate 42 synchronous motion, can realize the regulation to connecting plate 42 and first backplate 3 relative position, and then adjust first shower nozzle 5 in the position of vertical direction. When the adjusting bolt 44 is in threaded connection with the connecting plate 42 and abuts against the bracket 41, the adjusting bolt 44 is screwed, the position of the adjusting bolt 44 is fixed, but the connecting plate 42 is pulled to move along the vertical direction relative to the bracket 41, the position of the first nozzle 5 in the vertical direction can be adjusted, and the leveling mode is simple, convenient and effective. And after the position of the first nozzle 5 is adjusted, the adjusting bolt 44 can be prevented from loosening under the action of the elastic piece 43, and the position stability of the first nozzle 5 is further ensured.

Optionally, referring to fig. 1, the nozzle adjusting device further includes a second back plate 1 and a second nozzle 2, the second back plate 1 and the first back plate 3 are disposed at an interval along the horizontal direction, and the second nozzle 2 is fixed to the second back plate 1. The first back plate 3 and the second back plate 1 are respectively used for being connected with two driving mechanisms of the 3D printer, and the horizontal movement of the two spray heads can be independently controlled.

Optionally, the nozzle adjusting device further includes two optical bars 6 fixedly disposed on the bracket 41, the two optical bars 6 both extend along the vertical direction, the two optical bars 6 are disposed at intervals, and the connecting plate 42 is slidably sleeved on the two optical bars 6. By arranging the light bar 6 and slidably connecting the connecting plate 42 with the light bar 6, the connecting plate 42 can be ensured to move in a stable direction along the vertical direction. Preferably, the elastic members 43 are two compression springs, and the two compression springs are respectively sleeved on the two optical levers 6. So set up, be convenient for guarantee that the elastic deformation direction of pressure spring is stable, and then connecting plate 42 atress is balanced to guarantee that position control is stable. It is further preferred that the adjusting bolt 44 is located between the two light bars 6, so as to further ensure that the connecting plate 42 is stressed evenly.

As an alternative, the nozzle adjusting device further includes a linear slide rail fixedly mounted on the bracket 41, and a slide block slidably connected to the linear slide rail; the linear slide rail extends along the vertical direction, and the connecting plate 42 is fixedly connected with the slide block.

Optionally, the bracket 41 includes an upper bracket 411 and a lower bracket 412, the upper bracket 411 and the lower bracket 412 are both fixedly connected to the first backplane 3, and two ends of each optical rod 6 are respectively in inserting fit with the upper bracket 411 and the lower bracket 412; the adjusting bolt 44 is screwed to one of the first back plate 3 and the upper bracket 411, and is inserted into and abutted against the other of the upper bracket 411 and the connecting plate 42. So set up, accessible upper bracket 411 and lower carriage 412 fix two polished rods 6, the equipment of being convenient for. Specifically, the upper bracket 411 and the lower bracket 412 are each fixed to the first backboard 3 by bolts.

In this embodiment, the adjusting bolt 44 abuts against the upper bracket 411 and is in threaded connection with the connecting plate 42, the elastic element 43 is located between the upper bracket 411 and the connecting plate 42, and the elastic element 43 abuts against the upper bracket 411 and the connecting plate 42 respectively. Specifically, the adjusting bolt 44 includes a screw part 441 and a stopper 442 disposed at one end of the screw part 441, an outer diameter of the stopper 442 is greater than an outer diameter of the screw part 441, and a stepped surface is formed between the stopper 442 and the screw part 441; the screw portion 441 penetrates through the upper bracket 411 and is in threaded connection with the connecting plate 42, and the step surface abuts against the upper bracket 411. In other embodiments, the adjusting bolt 44 may be threaded to the upper bracket 411 and abut against the connecting plate 42. Preferably, the adjusting bolt 44 is provided with a handle 443 for being held by a human hand, and an operator can directly screw the adjusting bolt 44 through the handle 443. The handle 443 and the screw part 441 are respectively disposed at two ends of the position-limiting part 442. Further preferably, a scale is provided on one of the first back plate 3 and the bracket 41. The accessible scale is compared and is adjusted the distance regulation, convenient operation.

Referring to fig. 4 to 6, the embodiment further provides a 3D printer including the nozzle adjusting device in the above scheme. The 3D printer further comprises a base 71, a support 72, a guide rail 73, two first driving mechanisms 9 and two second driving mechanisms 8, wherein the support 72 is arranged on the base 71; the guide rail 73 extends along the horizontal direction and is arranged on the bracket 72 in a sliding manner along the vertical direction; the first driving mechanism 9 is connected with the guide rail 73 and can drive the guide rail 73 to move in the vertical direction, and the two second driving mechanisms 8 are respectively connected with the second backboard 1 and the first backboard 3 so as to respectively drive the second backboard 1 and the first backboard 3 to slide in the horizontal direction.

Specifically, referring to fig. 5, the second driving mechanism 8 includes a second driving wheel 81 and a second driven wheel 82 disposed at two ends of the guide rail 73 at intervals, a second motor 83 in transmission connection with the second driving wheel 81, and a second synchronous belt 84 supported on the second driving wheel 81 and the second driven wheel 82; the second timing belts 84 of the two second driving mechanisms 8 are respectively fixedly connected with the second backboard 1 and the first backboard 3. Specifically, the second timing belt 84 is fixed to the second back plate 1 or the first back plate 3 by a belt pressing plate. When the second motor 83 rotates, the second synchronous belt 84 drives the second back plate 1 or the first back plate 3 to move, and further drives the second nozzle 2 or the first nozzle 5 to move along the guide rail 73, so that the moving precision of the second nozzle 2 and the first nozzle 5 can be ensured. Preferably, two second driving mechanisms 8 are arranged at intervals along the vertical direction, so that the occupied space of the whole machine can be reduced. In other embodiments, the second driving mechanism 8 may be replaced by a chain transmission mechanism, a rack and pinion mechanism, an air cylinder, or the like.

Optionally, referring to fig. 4, the second backboard 1 is provided with a second roller 30, the first backboard 3 is provided with a first roller 40, and both the second roller 30 and the first roller 40 are in rolling fit with the guide rail 73. Thereby second backplate 1 passes through second gyro wheel 30 and guide rail 73 roll cooperation, and first backplate 3 passes through first gyro wheel 40 and guide rail 73 roll cooperation, can effectively reduce the frictional force between guide rail 73 and two backplates, and then guarantees that two shower nozzles operate steadily to can save space and occupy, the structure is compacter.

Optionally, referring to fig. 5, the 3D printer further includes a left detecting member 10 and a right detecting member 20 respectively disposed at two ends of the guide rail 73, one second driving mechanism 8 can drive the second nozzle 2 to move between the left initial position and the right working position, and the other second driving mechanism 8 can drive the first nozzle 5 to move between the right initial position and the left working position; the left detecting member 10 is used to detect whether the second nozzle 2 is moved to the left initial position, and the right detecting member 20 is used to detect whether the first nozzle 5 is moved to the right initial position. In this embodiment, the left detection member 10 and the right detection member 20 are respectively mounted on the guide rail 73 through two fixing seats, taking the left detection member 10 as an example, by setting the left detection member 10, in the process that the second driving mechanism 8 drives the second nozzle 2 to move leftward, when the second back plate 1 moves to the left initial position, the left detection member 10 and the second back plate 1 cooperate and give a second detection signal to the controller, and the controller can control the second motor 83 to stop, so as to ensure that the stop position of the second back plate 1 is stable; when the second back plate 1 does not reach the left initial position, the left detection member 10 is separated from the second back plate 1, the left detection member 10 provides a first detection signal to the controller, and the controller can control the second motor 83 to continue rotating. Similarly, by providing the right detection member 20, it can be ensured that the first backboard 3 is accurately stopped at the right initial position. In this embodiment, the left detection piece 10 and the right detection piece 20 are preferably photoelectric sensors, each photoelectric sensor includes a light emitting end and a light receiving end that are arranged at an interval and opposite to each other, taking the left detection piece 10 as an example, when the second backboard 1 is matched with the left detection piece 10, the second backboard 1 extends between the light emitting end and the light receiving end, so that the light receiving end cannot receive the light signal sent by the light emitting end, and the photoelectric sensor sends a second detection signal; when the left detection member 10 is separated from the second back plate 1, the light receiving end can receive the light signal sent by the light emitting end, and the photoelectric sensor sends a first detection signal. In other embodiments, the left detecting member 10 and the right detecting member 20 may be provided as proximity switches or the like.

Alternatively, referring to fig. 6, the first driving mechanism 9 includes a screw 91 rotatably disposed on the bracket 72, a first motor 92 in transmission connection with the screw 91, a screw nut 93 in threaded connection with the screw 91, and a supporting plate 94 connected with the screw nut 93, wherein the supporting plate 94 is connected with the guide rail 73. In this embodiment, the lead screw 91 extends along the vertical direction, and when the first motor 92 rotates, the lead screw nut 93 drives the support plate 94 to move on the lead screw 91, so as to drive the guide rail 73 to move along the vertical direction, and the height adjustment of the two nozzles can be realized. Preferably, in order to ensure that the support plate 94 moves stably in the vertical direction, in other embodiments, the first driving mechanism 9 may be replaced by a chain transmission mechanism, a synchronous belt transmission mechanism, a rack and pinion mechanism, an air cylinder, an electric push rod, or the like.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A showerhead adjustment device, comprising:

a first back plate (3);

an adjustment assembly (4) comprising a bracket (41) fixed to the first backplate (3), a connecting plate (42) slidable in a vertical direction with respect to the first backplate (3), an elastic member (43), and an adjustment bolt (44), the adjustment bolt (44) being in threaded connection with one of the bracket (41) and the connecting plate (42) and being in socket connection with the other of the bracket (41) and the connecting plate (42), the elastic member (43) being in a compressed state and configured to bring the adjustment bolt (44) into abutment with the other of the bracket (41) and the connecting plate (42):

and the first spray head (5) is arranged on the connecting plate (42).

2. The nozzle adjusting device according to claim 1, further comprising two light bars (6) fixed to the bracket (41), wherein the two light bars (6) extend in a vertical direction, the two light bars (6) are spaced apart from each other, and the connecting plate (42) is slidably sleeved on the two light bars (6).

3. Nozzle adjusting device according to claim 2, wherein the elastic member (43) is a compression spring and is two in number, and the two compression springs are respectively sleeved on the two light bars (6).

4. The nozzle adjusting device according to claim 2, wherein the bracket (41) comprises an upper bracket (411) and a lower bracket (412), the upper bracket (411) and the lower bracket (412) are both fixedly connected with the first back plate (3), and two ends of each light bar (6) are respectively in plug-in fit with the upper bracket (411) and the lower bracket (412); the adjusting bolt (44) is in threaded connection or abutting connection with the upper bracket (411).

5. Nozzle adjusting device according to claim 4, wherein the adjusting bolt (44) abuts against the upper bracket (411) and is in threaded connection with the connecting plate (42), the elastic element (43) is located between the upper bracket (411) and the connecting plate (42), and the elastic element (43) abuts against the upper bracket (411) and the connecting plate (42), respectively.

6. The head adjusting apparatus according to claim 5, wherein the adjusting bolt (44) includes a screw portion (441) and a stopper portion (442) provided at one end of the screw portion (441), an outer diameter of the stopper portion (442) is larger than an outer diameter of the screw portion (441), and a stepped surface is formed between the stopper portion (442) and the screw portion (441);

the screw rod part (441) is inserted into the upper support (411) and is in threaded connection with the connecting plate (42), and the step surface is abutted against the upper support (411).

7. The spray head adjusting device according to claim 1, further comprising a linear slide rail fixed to the support (41), and a slide block slidably connected to the linear slide rail; the linear slide rail extends along the vertical direction, and the connecting plate (42) is fixedly connected with the slide block.

8. Spray head adjustment device according to one of claims 1 to 7, characterized in that the adjustment bolt (44) is provided with a handle (443) for gripping by a human hand.

9. The showerhead adjustment device according to any of claims 1-7, further comprising a second back plate (1) horizontally spaced from the first back plate (3) and a second showerhead (2) fixed to the second back plate (1).

10. A 3D printer comprising the head adjustment apparatus of any one of claims 1-9.

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