CN113752554A

CN113752554A - High-efficient 3D printer is quick coupling mechanism for nozzle

Info

Publication number: CN113752554A
Application number: CN202111115611.7A
Authority: CN
Inventors: 刘峻; 刘一胜; 张晓军; 何明; 单莹莹
Original assignee: Jiangsu Mingya Technology Co ltd
Current assignee: Jiangsu Mingya Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2021-12-07
Anticipated expiration: 2041-09-23
Also published as: CN113752554B

Abstract

The invention discloses a high-efficiency quick connecting mechanism for a 3D printer nozzle, which comprises a conveying cylinder, wherein the lower end of the conveying cylinder is fixedly connected with a connecting port communicated with the interior of the conveying cylinder, an L-shaped plate is sleeved on the outer surface of the conveying cylinder, a head changing assembly is arranged on one side of the interior of the L-shaped plate, an adjusting assembly is arranged on the upper surface of the L-shaped plate, and an anti-blocking piece is arranged between the other side and the lower side of the L-shaped plate. The invention relates to the technical field of 3D printers, and discloses a high-efficiency quick connecting mechanism for a 3D printer nozzle.

Description

High-efficient 3D printer is quick coupling mechanism for nozzle

Technical Field

The invention relates to the technical field of 3D printers, in particular to a quick connecting mechanism for a nozzle of a high-efficiency 3D printer.

Background

The 3D printer is a machine of a rapid prototyping technology, and is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like and by using a layer-by-layer printing mode on the basis of a digital model file, the principle of the 3D printer is that data and raw materials are put into the 3D printer, and the machine can manufacture products layer by layer according to a program. The printed product can be used immediately.

The invention with the Chinese patent number of CN107738445A discloses a 3D printer nozzle, which comprises a base, wherein supporting rods are arranged on the left side and the right side of the top end of the base, a cross rod is arranged on the top end of the inner wall of each supporting rod, a connecting wire is arranged at the center of the bottom end of each cross rod, a first connecting block is arranged at the bottom end of each connecting wire, a spray head is arranged at the bottom end of each connecting block, and stop blocks are arranged at the upper end and the lower end of each spray head. This 3D printer nozzle, it shifts out from the recess is inside to change the piece through pulling to drive the kelly, it drives the gear drive that the piece drove the connecting rod and make it on it to rotate and moves the pole and tighten up, effectually fix on the shower nozzle to the nozzle, strengthen simultaneously and fix the shower nozzle, and simple to operate, avoid maintenance personal carelessly to dismantle by force, the connecting wire that causes the shower nozzle to connect causes the damage, reduce the result of use of nozzle, and strengthen the result of use of printer, reduce the condition that the nozzle caused the oil leak when using, satisfy user's user demand.

However, when the printer needs to use nozzles with different sizes in the using process, the spray head on the printer needs to be manually disassembled and then replaced with a new nozzle, which is very troublesome, and the defect is not correspondingly improved.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a high-efficiency quick connecting mechanism for a 3D printer nozzle, which solves the problem that when nozzles with different sizes are needed in the using process of a printer, a spray head on the printer needs to be manually disassembled, and then a new nozzle needs to be replaced, so that the printer is very troublesome.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a high-efficient 3D printer quick coupling mechanism for nozzle, includes a conveying cylinder, the lower extreme fixedly connected with of a conveying cylinder rather than the inside connector that is linked together, the surface of a conveying cylinder cup joints and is provided with the L shaped plate, inside one side of L shaped plate is provided with the subassembly of trading the head, and the upper surface of L shaped plate is provided with adjusting part, be provided with between the opposite side of L shaped plate and the downside and prevent stifled piece.

The head changing assembly comprises a first gear disc, a plurality of limiting cylinders are evenly installed at the edge of the upper surface of the first gear disc in a penetrating mode and are respectively fixedly connected with spray heads of different sizes at the lower ends of the limiting cylinders, a fixed shaft is perpendicularly connected to the middle position of the upper surface of the first gear disc, the outer surface of the upper end of the fixed shaft is sleeved and rotated to install a base plate, a servo motor is fixedly arranged at the middle position of the upper surface of the base plate, an output shaft of the servo motor rotates to penetrate through the upper surface of the base plate and is fixedly connected with a rotating shaft, a first main gear is fixedly connected with the lower end of the rotating shaft, the first main gear is meshed with the first gear disc, a second stabilizing shaft is installed at the position, close to the servo motor, of the upper surface of the base plate, of the second stabilizing shaft is fixedly connected to the upper surface of the L-shaped plate.

Preferably, a sliding groove matched with the base plate is formed in one side face of the inside of the L-shaped plate, one side of the base plate is embedded into the sliding groove and is slidably mounted in the sliding groove, a first stabilizing shaft penetrates through the upper surface of one side of the base plate and is slidably mounted, the two ends of the first stabilizing shaft are fixedly connected with the upper surface and the lower surface of the inside of the sliding groove respectively, and when the base plate moves, the stabilizing shaft plays a stabilizing role for the first stabilizing shaft.

Preferably, the position of the connecting port corresponds to the arc position formed by each limiting cylinder on the first gear disc, the inner diameter of each limiting cylinder is equal to the outer diameter of the connecting port, and the limiting cylinders can be sleeved on the connecting port to complete the installation work of the spray head.

Preferably, the inner wall of the upper end of the limiting cylinder is fixedly connected with an annular plate, and the upper side of the annular plate is fixedly connected with a sealing gasket.

Preferably, the sealing gasket is an elastic material member, and the elastic material can improve the sealing effect of the sealing gasket.

Preferably, the adjusting part is including two regulation poles, two horizontally connect has the gag lever post between the upper end of regulation pole, one side position department fixed mounting that the upper surface of L shaped plate is close to the gag lever post has electric putter, electric putter's output shaft rotates and is connected with the regulation strip, the other end of regulation strip cup joints and rotates and installs in the surface of gag lever post.

Preferably, the lower ends of the two adjusting rods are respectively installed on the upper surfaces of the front and rear sides of the L-shaped plate in a penetrating and sliding manner, and the opposite surfaces of the lower ends of the two adjusting rods are respectively connected to the middle positions of the front and rear sides of the base plate in a rotating manner so as to drive the base plate to move up and down.

Preferably, the anti-blocking part comprises a support plate, a guide rod barrel corresponding to the spray head is vertically connected to the upper surface of one end of the support plate, a sliding shaft is vertically connected to the upper surface of the other end of the support plate, the upper end of the sliding shaft is embedded into the middle position of the lower side of the L-shaped plate in a sliding mode, a gear disc II is rotatably connected to one side of the outer portion of the upper portion of the L-shaped plate, an eccentric rod is rotatably connected to one side of the lower portion of the gear disc II, a convex shaft is fixedly connected to one side of the lower end of the eccentric rod, the other end of the convex shaft is rotatably connected to one side of the upper end of the sliding shaft, a main gear II is rotatably connected to the position, located on the upper side of the gear disc II, of the outer side of the L-shaped plate, a side of the main gear II is provided with a stepping motor, and the main gear II is in driving connection with an output shaft of the stepping motor.

Preferably, the lower side of the L-shaped plate is provided with a sliding groove matched with the sliding shaft, a movable groove corresponding to the protruding shaft is formed in one side surface of the outside of the L-shaped plate, and the protruding shaft penetrates through the inside of the movable groove in a sliding manner so as to conveniently drive the sliding shaft to move up and down.

Preferably, the inside fixed mounting of a guide rod section of thick bamboo has the heating rod, the external diameter of a guide rod section of thick bamboo is less than the internal diameter of shower nozzle, and the heating rod can heat the raw materials, improves and smashes logical effect to the shower nozzle.

Advantageous effects

The invention provides a quick connecting mechanism for a high-efficiency 3D printer nozzle, which has the following beneficial effects compared with the prior art:

1. this high-efficient quick coupling mechanism for 3D printer nozzle trades first subassembly through setting up, under adjusting part's work, when the shower nozzle of equidimension not needs to be used, under servo motor and electric putter's combined action, can be automatically with shower nozzle that needs the size for fixing to the printer, need not the manual work and change, make this 3D printer at the during operation, the shower nozzle that can the automatic switch-over different models prints work, convenient and fast.

2. This high-efficient quick coupling mechanism for 3D printer nozzle prevents stifled subassembly through the setting, when this 3D printer at the during operation, can prevent stifled work to the shower nozzle after using, makes a guide bar section of thick bamboo smash about the shower nozzle and moves, simultaneously under the work of heating rod, can be quick with the inside place of blockking up of shower nozzle give smash and lead to, and then make things convenient for the follow-up work of printing of shower nozzle.

3. This high-efficient quick coupling mechanism for 3D printer nozzle through set up annular plate and sealed the pad in a spacing section of thick bamboo, when fixing a spacing section of thick bamboo to the connector on, under the effect of sealed pad, can improve the leakproofness of shower nozzle installation, and then at the printing in-process, has avoided printing material to take place the seepage phenomenon.

Drawings

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

FIG. 2 is a schematic view of the head changing assembly of the present invention;

FIG. 3 is a schematic diagram showing the inner structure of the limiting cylinder;

FIG. 4 is a schematic view of the structure of the adjustment assembly of the present invention;

FIG. 5 is a schematic view of an anti-clog feature of the present invention;

fig. 6 is a schematic view of the internal structure of the rod guide cylinder of the present invention.

In the figure: 1. a delivery cartridge; 2. a connecting port; 3. an L-shaped plate; 31. a chute; 32. a first stabilizing shaft; 4. a head changing assembly; 41. a first gear disc; 42. a limiting cylinder; 421. an annular plate; 422. sealing gaskets; 43. a spray head; 44. a fixed shaft; 45. a substrate; 46. a servo motor; 47. a rotating shaft; 48. a first main gear; 49. a second stabilizing shaft; 5. an adjustment assembly; 51. adjusting a rod; 52. a limiting rod; 53. an electric push rod; 54. an adjustment bar; 6. an anti-blocking piece; 61. a support plate; 62. a guide rod cylinder; 621. a heating rod; 63. a slide shaft; 64. a second gear plate; 65. an eccentric rod; 66. a protruding shaft; 67. a stepping motor; 68. and a second main gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a high-efficient 3D printer quick coupling mechanism for nozzle, includes a transport section of thick bamboo 1, the lower extreme fixedly connected with of a transport section of thick bamboo 1 rather than the inside connector 2 that is linked together, the surface of a transport section of thick bamboo 1 cup joints and is provided with L shaped plate 3, and inside one side of L shaped plate 3 is provided with trades first subassembly 4, and the upper surface of L shaped plate 3 is provided with adjusting part 5, is provided with between the opposite side of L shaped plate 3 and the downside and prevents stifled 6.

Referring to fig. 1 and 2, in the embodiment of the present invention, the head changing assembly 4 includes a gear plate 41, a plurality of limiting cylinders 42 are uniformly installed on an edge of an upper surface of the gear plate 41 in a penetrating manner, lower ends of the limiting cylinders 42 are fixedly connected with nozzles 43 of different sizes, a fixing shaft 44 is vertically connected to a middle position of the upper surface of the gear plate 41, a base plate 45 is rotatably installed on an outer surface of an upper end of the fixing shaft 44 in a sleeved manner, a servo motor 46 is fixedly installed at the middle position of the upper surface of the base plate 45, an output shaft of the servo motor 46 rotatably penetrates through the upper surface of the base plate 45 and is fixedly connected with a rotating shaft 47, a first main gear 48 is fixedly connected to a lower end of the rotating shaft 47, the first main gear 48 is engaged with the gear plate 41, a second stabilizing shaft 49 is slidably installed at a position of a side of the upper surface of the base plate 45 close to the servo motor 46, an upper end of the second stabilizing shaft 49 is fixedly connected to an inner upper surface of the L-shaped plate 3, the inside side of L-shaped plate 3 is seted up the spout 31 with base plate 45 looks adaptation, one side embedding slidable mounting of base plate 45 is in the inside of spout 31, and one side upper surface of base plate 45 runs through slidable mounting and has a firm axle 32, the both ends of firm axle 32 are fixed connection with the inside upper and lower surface of spout 31 respectively, when base plate 45 removed, firm axle 32 has played firm effect to it, the position of connector 2 corresponds with the circular arc position that each spacing section of thick bamboo 42 of toothed disc 41 constitutes, the internal diameter of spacing section of thick bamboo 42 equals the external diameter of connector 2, can overlap on connector 2 for spacing section of thick bamboo 42, make it accomplish the installation work of shower nozzle 43.

Referring to fig. 3, in the embodiment of the present invention, an annular plate 421 is fixedly connected to an inner wall of an upper end of the limiting cylinder 42, a sealing gasket 422 is fixedly connected to an upper side of the annular plate 421, and the sealing gasket 422 is an elastic member, which can improve a sealing effect of the sealing gasket 422.

Referring to fig. 4, in the embodiment of the present invention, the adjusting assembly 5 includes two adjusting rods 51, a limiting rod 52 is horizontally connected between upper ends of the two adjusting rods 51, an electric push rod 53 is fixedly installed at a position on one side of the upper surface of the L-shaped plate 3 close to the limiting rod 52, an output shaft of the electric push rod 53 is rotatably connected with an adjusting bar 54, the other end of the adjusting bar 54 is rotatably sleeved on an outer surface of the limiting rod 52, lower ends of the two adjusting rods 51 are respectively slidably installed on upper surfaces of front and rear sides of the L-shaped plate 3, and opposite surfaces of the lower ends of the two adjusting rods 51 are respectively rotatably connected to middle positions of the front and rear sides of the base plate 45, so as to drive the base plate 45 to move up and down.

Referring to fig. 5-6, in the embodiment of the present invention, the anti-blocking element 6 includes a supporting plate 61, a rod guiding cylinder 62 corresponding to the nozzle 43 is vertically connected to an upper surface of one end of the supporting plate 61, a sliding shaft 63 is vertically connected to an upper surface of the other end of the supporting plate 61, an upper end of the sliding shaft 63 is embedded and slidably installed at a middle position of a lower side of the L-shaped plate 3, a second gear plate 64 is rotatably connected to an upper outer side of the L-shaped plate 3, an eccentric rod 65 is rotatably connected to a lower side of the second gear plate 64, a protruding shaft 66 is fixedly connected to a lower end of the eccentric rod 65, another end of the protruding shaft 66 is rotatably connected to a upper side of the sliding shaft 63, a second main gear 68 is rotatably connected to an outer side of the L-shaped plate 3 at an upper side of the second gear plate 64, a step motor 67 is disposed on a side of the second main gear 68, and the second main gear 68 is drivingly connected through an output shaft of the step motor 67, the downside of L-shaped plate 3 has been seted up with slide shaft 63 assorted sliding tray, the outside side of L-shaped plate 3 has been seted up with the corresponding movable groove of protruding axle 66, protruding axle 66 slides and passes the inside in movable groove, for convenient protruding axle 66 drives slide shaft 63 and reciprocates, the inside fixed mounting of guide bar section of thick bamboo 62 has heating rod 621, the outside diameter of guide bar section of thick bamboo 62 is less than the inside diameter of shower nozzle 43, heating rod 621 can heat the raw materials, the improvement is to the effect of leading to of smashing of shower nozzle 43.

In the above, the servo motor 46 is CH/V type, the stepping motor 67 is ASF-98 type, and the electric push rod 53 is SC100-25 type, which is a single stroke type.

And those not described in detail in this specification are well within the skill of those in the art.

When the shower nozzle is used, the power supply of the servo motor 46 is switched on, the servo motor drives the main gear 48 at the lower end of the rotating shaft 47 to rotate, the main gear 48 drives the gear disc 41 meshed with the main gear to rotate, the gear disc 41 drives the limiting cylinders 42 to rotate, when the shower nozzle 43 with the required size is rotated to the position of the connecting port 2, the limiting cylinders 42 on the shower nozzle 43 are rotated to be aligned with the connecting port 2, the servo motor 46 stops working after alignment, the electric push rod 53 works at the moment, the electric push rod 53 drives the adjusting bars 54 to work, under the movable connection of the adjusting bars 54 and the sliding connection of the adjusting bars 51, the adjusting bars 54 drive the adjusting bars 51 at the two ends of the limiting rod 52 to slide upwards on the L-shaped plate 3 along with the movement of the adjusting bars 54, so that the lower ends of the two adjusting bars 51 drive the base plate 45 to move upwards, and the limiting cylinders 42 corresponding to the connecting port 2 are sleeved below the connecting port 2, under the action of the sealing gasket 422, when the limiting cylinder 42 is sleeved on the connecting port 2, the sealing gasket 422 performs a sealing function, and the installation work of the spray head 43 is completed, further, when the spray head 43 is blocked, the spray head 43 moves to the position of the guide rod cylinder 62, at this time, the power supply of the stepping motor 67 is switched on, the stepping motor 67 drives the second main gear 68 to rotate, the second main gear 68 drives the second gear disk 64 engaged with the second main gear to rotate, the second gear disk 64 drives the eccentric rod 65 to perform eccentric motion, so that the eccentric rod 65 enables the protruding shaft 66 to drive the sliding shaft 63 to slide in the sliding groove on the lower side of the L-shaped plate 3, and as the second gear disk 64 continuously rotates, the protruding shaft 66 drives the sliding shaft 63 to continuously move up and down, so as to smash the blocked raw materials in the spray head 43, and simultaneously, under the heating of the heating rod 621. The raw materials are melted, the effect of the nozzle 43 tamping can be improved, and therefore the subsequent normal printing work of the nozzle 43 is facilitated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a high-efficient 3D printer quick coupling mechanism for nozzle, includes transport section of thick bamboo (1), the lower extreme fixedly connected with of transport section of thick bamboo (1) is rather than inside connector (2) that are linked together, its characterized in that: an L-shaped plate (3) is sleeved on the outer surface of the conveying cylinder (1), a head changing assembly (4) is arranged on one side inside the L-shaped plate (3), an adjusting assembly (5) is arranged on the upper surface of the L-shaped plate (3), and an anti-blocking piece (6) is arranged between the other side and the lower side of the L-shaped plate (3);

trade first subassembly (4) including toothed disc one (41), the upper surface edge of toothed disc one (41) evenly runs through and installs a plurality of spacing section of thick bamboo (42), each the equal fixedly connected with not equidimension shower nozzle (43) of lower extreme of spacing section of thick bamboo (42), the upper surface intermediate position department of toothed disc one (41) is connected with fixed axle (44) perpendicularly, the upper end surface cup joints and rotates and installs base plate (45) of fixed axle (44), the fixed servo motor (46) that is provided with of upper surface intermediate position department of base plate (45), the output shaft of servo motor (46) rotates the upper surface and the fixedly connected with pivot (47) of passing base plate (45), the lower extreme fixedly connected with master gear one (48) of pivot (47), be the joggle joint between master gear one (48) and toothed disc one (41), one side position department that the upper surface of base plate (45) is close to servo motor (46) runs through slidable mounting and has steady And the upper end of the second fixing shaft (49) is fixedly connected to the upper surface of the inside of the L-shaped plate (3).

2. The quick-connect mechanism for a high-efficiency 3D printer nozzle as claimed in claim 1, wherein: the inside side of L shaped plate (3) is seted up spout (31) with base plate (45) looks adaptation, one side embedding slidable mounting of base plate (45) is in the inside of spout (31), and one side upper surface of base plate (45) runs through slidable mounting and has a firm axle (32), the both ends of firm axle (32) are respectively with the inside upper and lower fixed surface connection of spout (31).

3. The quick-connect mechanism for a high-efficiency 3D printer nozzle as claimed in claim 1, wherein: the position of the connecting port (2) corresponds to the arc position formed by the limiting cylinders (42) on the gear disc I (41), and the inner diameter of each limiting cylinder (42) is equal to the outer diameter of the connecting port (2).

4. The quick-connect mechanism for a high-efficiency 3D printer nozzle as claimed in claim 1, wherein: the inner wall of the upper end of the limiting cylinder (42) is fixedly connected with an annular plate (421), and the upper side of the annular plate (421) is fixedly connected with a sealing gasket (422).

5. The quick-connect mechanism for a high-efficiency 3D printer nozzle as claimed in claim 4, wherein: the sealing gasket (422) is an elastic material component.

6. The quick-connect mechanism for a high-efficiency 3D printer nozzle as claimed in claim 1, wherein: adjusting part (5) is including two regulation poles (51), two horizontally connect has gag lever post (52) between the upper end of adjusting pole (51), one side position department fixed mounting that the upper surface of L shaped plate (3) is close to gag lever post (52) has electric putter (53), the output shaft of electric putter (53) rotates and is connected with regulation strip (54), the other end of adjusting strip (54) cup joints and rotates the surface of installing in gag lever post (52).

7. The quick-connect mechanism for a high-efficiency 3D printer nozzle as claimed in claim 6, wherein: the lower ends of the two adjusting rods (51) are respectively installed on the upper surfaces of the front side and the rear side of the L-shaped plate (3) in a penetrating and sliding mode, and the opposite surfaces of the lower ends of the two adjusting rods (51) are respectively connected to the middle positions of the front side and the rear side of the base plate (45) in a rotating mode.

8. The quick-connect mechanism for a high-efficiency 3D printer nozzle as claimed in claim 1, wherein: the anti-blocking part (6) comprises a support plate (61), a guide rod barrel (62) corresponding to the spray head (43) is vertically connected to the upper surface of one end of the support plate (61), a sliding shaft (63) is vertically connected to the upper surface of the other end of the support plate (61), the upper end of the sliding shaft (63) is embedded into the middle position of the lower side of the L-shaped plate (3) in a sliding mode, a gear disc II (64) is rotatably connected to one side surface of the outer portion of the upper portion of the L-shaped plate (3), an eccentric rod (65) is rotatably connected to one side of the lower portion of the gear disc II (64), a convex shaft (66) is fixedly connected to one side of the lower end of the eccentric rod (65), the other end of the convex shaft (66) is rotatably connected to one side surface of the upper end of the sliding shaft (63), a main gear II (68) is rotatably connected to the position, which is located on the upper side of the gear disc II (64), of the outer side surface of the L-shaped plate (3), one side surface of the second main gear (68) is provided with a stepping motor (67), and the second main gear (68) is in driving connection with an output shaft of the stepping motor (67).

9. The quick connect mechanism for a high efficiency 3D printer nozzle of claim 8, wherein: the lower side of the L-shaped plate (3) is provided with a sliding groove matched with the sliding shaft (63), one side surface of the outer part of the L-shaped plate (3) is provided with a movable groove corresponding to the protruding shaft (66), and the protruding shaft (66) penetrates through the inner part of the movable groove in a sliding mode.

10. The quick connect mechanism for a high efficiency 3D printer nozzle of claim 8, wherein: the heating rod (621) is fixedly installed in the guide rod cylinder (62), and the outer diameter of the guide rod cylinder (62) is smaller than the inner diameter of the spray head (43).