CN113752554B

CN113752554B - High-efficient quick coupling mechanism for 3D printer nozzle

Info

Publication number: CN113752554B
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: 2023-05-23
Anticipated expiration: 2041-09-23
Also published as: CN113752554A

Abstract

The invention discloses a quick connecting mechanism for a high-efficiency 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 inside of the conveying cylinder, the outer surface of the conveying cylinder is sleeved with an L-shaped plate, one side of the inside of the L-shaped plate is provided with a head changing assembly, the upper surface of the L-shaped plate is provided with an adjusting assembly, 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, in particular to a quick connecting mechanism for a high-efficiency 3D printer nozzle.

Description

High-efficient quick coupling mechanism for 3D printer nozzle

Technical Field

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

Background

The 3D printer is a machine for rapid prototyping technology, which is a technology for constructing objects by using powdery metal or plastic and other bondable materials in a layer-by-layer printing mode based on a digital model file, and the principle of the 3D printer is that data and raw materials are put into the 3D printer, and the machine can build the products layer by layer according to a program. The printed product can be used immediately.

The invention of Chinese patent number CN107738445A discloses a 3D printer nozzle, which comprises a base, support 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 the support rods, a connecting wire is arranged at the center of the bottom end of the cross rod, a first connecting block is arranged at the bottom end of the connecting wire, a spray head is arranged at the bottom end of the connecting block, and stop blocks are arranged at the upper end and the lower end of the spray head. This 3D printer nozzle drives the draw-in bar through pulling out the commentaries on classics piece and shifts out from the recess is inside, rotates and moves the piece and drive the gear on the connecting rod and make and drive and move the pole and tighten up, effectually fix the nozzle on the sprinkler head, strengthen simultaneously and fix the shower nozzle, simple to operate moreover, avoid maintainer carelessly strong dismantlement, cause the connecting wire that the shower nozzle is connected to cause the damage, reduce the result of use of nozzle, strengthen the result of use of printer moreover, reduce the nozzle and cause the condition of oil leak in the use, satisfy user's user demand.

However, when the printer is used, when nozzles with different sizes are needed, the spray heads on the printer are required to be detached manually and then replaced by new nozzles, so that the printer is very troublesome and the defect is not improved correspondingly.

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 the printer needs to use nozzles with different sizes in the use process, a spray head on the printer needs to be manually detached and then replaced by a new nozzle, so that the printer is very troublesome.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a high-efficient quick coupling mechanism for 3D printer nozzle, includes the transport section of thick bamboo, the lower extreme fixedly connected with of transport section of thick bamboo is linked together rather than inside connector, the surface of transport section of thick bamboo cup joints and is provided with the L shaped plate, inside one side of L shaped plate is provided with trades first subassembly, and the upper surface of L shaped plate is provided with adjusting part, be provided with anti-blocking piece between opposite side and the downside of L shaped plate.

The head replacing assembly comprises a first gear plate, a plurality of limiting barrels are evenly arranged at the edge of the upper surface of the first gear plate in a penetrating mode, spray heads of different sizes are fixedly connected to the lower ends of the limiting barrels respectively, a fixing shaft is vertically connected to the middle position of the upper surface of the first gear plate, a base plate is rotatably installed on the outer surface of the upper end of the fixing shaft in a sleeved mode, 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 main gear is fixedly connected to the lower end of the rotating shaft, meshing is conducted between the first main gear and the first gear plate, a fixing shaft II is fixedly connected to the inner upper surface of an L-shaped plate in a penetrating and sliding mode at the position of one side of the upper surface of the base plate, and the upper end of the fixing shaft II is fixedly connected to the inner upper surface of the L-shaped plate.

Preferably, a chute matched with the base plate is formed in one side surface of the inner portion of the L-shaped plate, one side of the base plate is embedded into the chute in a sliding mode, a first stabilizing shaft is arranged on the upper surface of one side of the base plate in a penetrating and sliding mode, two ends of the first stabilizing shaft are fixedly connected with the upper surface and the lower surface of the inside of the chute respectively, and when the base plate moves, the first stabilizing shaft plays a role in stabilizing the base plate.

Preferably, the position of the connecting port corresponds to the circular arc position formed by each limiting cylinder on the gear disc I, 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 upper end inner wall 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 component comprises two adjusting rods, a limiting rod is horizontally connected between the upper ends of the two adjusting rods, an electric push rod is fixedly arranged at one side position of the upper surface of the L-shaped plate, which is close to the limiting rod, an output shaft of the electric push rod is rotationally connected with an adjusting strip, and the other end of the adjusting strip is sleeved and rotationally arranged on the outer surface of the limiting rod.

Preferably, the lower ends of the two adjusting rods penetrate through the upper surfaces of the front side and the rear side of the L-shaped plate respectively, and the opposite surfaces of the lower ends of the two adjusting rods are respectively connected to the middle positions of the front side and the rear side of the base plate in a rotating mode so as to drive the base plate to move up and down.

Preferably, the anti-blocking piece comprises a support plate, one end upper surface of the support plate is vertically connected with a guide rod barrel corresponding to the spray head, the other end upper surface of the support plate is vertically connected with a sliding shaft, the upper end of the sliding shaft is embedded and slidably mounted at the middle position of the lower side of the L-shaped plate, a side surface outside the upper part of the L-shaped plate is rotationally connected with a gear disc II, one side of the lower part of the gear disc II is rotationally connected with an eccentric rod, one side of the lower end of the eccentric rod is fixedly connected with a protruding shaft, the other end of the protruding shaft is rotationally connected with one side surface of the upper end of the sliding shaft, one side surface outside the L-shaped plate is located at the upper side position of the gear disc II and is rotationally connected with a main gear II, one side surface of the main gear II is provided with a stepping motor, and the main gear II is in driving connection through an output shaft of the stepping motor.

Preferably, the sliding groove matched with the sliding shaft is formed in the lower side of the L-shaped plate, the movable groove corresponding to the convex shaft is formed in one side surface of the outer portion of the L-shaped plate, and the convex shaft slides through the movable groove, so that the convex shaft can conveniently drive the sliding shaft to move up and down.

Preferably, the inside fixed mounting of guide arm section of thick bamboo has the heating rod, the outside diameter of guide arm section of thick bamboo is less than the inside diameter of shower nozzle, and the heating rod can heat the raw materials, improves the tamping effect to the shower nozzle.

Advantageous effects

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

1. this high-efficient quick coupling mechanism for 3D printer nozzle through establishing replacement head subassembly, under the work of adjusting component, when the shower nozzle of using equidimension not is needed, under servo motor and electric putter's combined action, can be automatically with the shower nozzle of needs size for fixing to the printer on, need not the manual work and change, make this 3D printer at the during operation, can the automatic switch-over shower nozzle of different models carry out the print job, convenient and fast.

2. This high-efficient quick coupling mechanism for 3D printer nozzle through setting up anti-blocking assembly, when this 3D printer is at the during operation, can prevent stifled work to the shower nozzle after using, makes guide arm section of thick bamboo tamper in the shower nozzle from top to bottom, simultaneously under the work of heating rod, can be quick with the inside place of blockking up of shower nozzle for pounding to the way, and then make things convenient for the follow-up print work of shower nozzle.

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

Drawings

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

FIG. 2 is a schematic view of a structure of a head exchange assembly according to the present invention;

FIG. 3 is a schematic diagram illustrating the internal structure of the limiting cylinder according to the present invention;

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

FIG. 5 is a schematic view of an anti-blocking member structure according to the present invention;

FIG. 6 is a schematic view of the internal structure of the guide rod barrel of the present invention.

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

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

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

Referring to fig. 1 and 2, in the embodiment of the invention, the head changing assembly 4 includes a first gear plate 41, a plurality of limiting cylinders 42 are uniformly installed between the first gear plate 41 and the first gear plate 41 in a penetrating manner, the lower ends of the limiting cylinders 42 are fixedly connected with spray heads 43 with different sizes, a fixed shaft 44 is vertically connected to the middle position of the upper surface of the first gear plate 41, a base plate 45 is rotatably installed on the outer surface of the upper end of the fixed shaft 44 in a sleeved manner, a servo motor 46 is fixedly arranged at the middle position of the upper surface of the base plate 45, an output shaft of the servo motor 46 rotates 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 with the first gear plate 41, a second stabilizing shaft 49 is installed on the upper surface of the base plate 45 near one side of the servo motor 46 in a penetrating manner, one side of the upper surface of the base plate 45 is fixedly connected with the inner surface of the second stabilizing shaft 49, one side of the base plate 3 is provided with a sliding groove 31 matched with the base plate 45, one side of the base plate 45 is embedded in the sliding manner in the inner side of the sliding groove 31, one side of the base plate 45 is fixedly arranged on the upper surface of the base plate 45, one side of the base plate 45 is fixedly connected with the first connecting shaft 32 penetrates through the connecting hole 32, and the diameter of the first connecting hole 32 is equal to the first gear plate 2 and is fixedly connected with the diameter of the first connecting hole 32, and the diameter of the first connecting hole 32 is fixed to the first connecting hole 2 is fixed to the inner surface of the connecting hole 2 is fixed with the connecting hole 2, and 2 is fixed to the diameter of the connecting hole 2 is fixed to the connecting hole 2.

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, and a sealing gasket 422 is fixedly connected to an upper side of the annular plate 421, wherein the sealing gasket 422 is an elastic material member, and the elastic material 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 the upper ends of the two adjusting rods 51, an electric push rod 53 is fixedly installed on a side position of the upper surface of the L-shaped plate 3, which is 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 installed on the outer surface of the limiting rod 52 in a sleeved mode, the lower ends of the two adjusting rods 51 respectively penetrate through the upper surfaces of the front and rear sides of the L-shaped plate 3 in a sliding mode, and opposite sides of the lower ends of the two adjusting rods 51 are respectively rotatably connected to the 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 member 6 includes a support plate 61, an upper surface of one end of the support plate 61 is vertically connected with a guide rod barrel 62 corresponding to the spray nozzle 43, an upper surface of the other end of the support plate 61 is vertically connected with a sliding shaft 63, an upper end of the sliding shaft 63 is embedded and slidably mounted at a middle position of a lower side of the L-shaped plate 3, a gear plate second 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 gear plate second 64, a protruding shaft 66 is fixedly connected to a lower side of the eccentric rod 65, the other end of the protruding shaft 66 is rotatably connected to an upper side of the sliding shaft 63, a side surface of the outer side of the L-shaped plate 3 is rotatably connected with a main gear second 68, a side surface of the main gear second 68 is provided with a sliding groove matched with the sliding shaft 63 through an output shaft of the stepping motor 67, a movable groove corresponding to the protruding shaft 66 is provided on a side surface of the outer side of the L-shaped plate 3, the protruding shaft 66 passes through the guide rod 621, and the protruding shaft 66 can conveniently move through the guide rod barrel 621 to the inside the guide rod barrel 43 to heat the spray nozzle 43, and the diameter of the spray nozzle is increased.

In the above description, the servo motor 46 is CH/V, the stepper motor 67 is ASF-98, and the electric push rod 53 is SC100-25, which is single-program.

And all that is not described in detail in this specification is well known to those skilled in the art.

When in use, the power supply of the servo motor 46 is connected to drive the main gear I48 at the lower end of the rotating shaft 47 to rotate, the main gear I48 drives the gear disk I41 meshed with the main gear I to rotate, the gear disk I41 drives each limiting cylinder 42 to rotate, when the spray nozzle 43 with the required size rotates to the position of the connecting port 2, the limiting cylinders 42 on the spray nozzle 43 rotate to align with the connecting port 2, the servo motor 46 is stopped after alignment, the electric push rod 53 is started, the electric push rod 53 drives the adjusting bar 54 to work, under the movable connection of the adjusting bar 54 and the sliding connection of the adjusting bar 51, the adjusting bar 54 drives the adjusting bars 51 at the two ends of the limiting bars 52 to slide upwards on the L-shaped plate 3 along with the movement of the adjusting bar 54, so that the lower ends of the two adjusting bars 51 drive the base plate 45 to move upwards, when the limiting cylinder 42 corresponding to the connecting port 2 is sleeved below the connecting port 2 and the limiting cylinder 42 is sleeved on the connecting port 2 under the action of the sealing gasket 422, the sealing gasket 422 plays a role in sealing, the installation 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, the power supply of the stepping motor 67 is switched on at the moment, the stepping motor 67 drives the main gear II 68 to rotate, the main gear II 68 drives the gear II 64 meshed with the main gear II to rotate, the gear II 64 drives the eccentric rod 65 to make eccentric motion, so that the eccentric rod 65 can enable the convex shaft 66 to drive the sliding shaft 63 to slide in a sliding groove at the lower side of the L-shaped plate 3, the convex shaft 66 can drive the sliding shaft 63 to continuously move up and down along with the continuous rotation of the gear II, the blocked raw material inside the spray head 43 is tamped, and meanwhile, the raw material is heated by the heating rod 621. The raw materials are melted, and the tamping effect of the spray head 43 can be improved, so that the subsequent normal printing work of the spray head 43 is facilitated.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 quick coupling mechanism for 3D printer nozzle, includes transport section of thick bamboo (1), the lower extreme fixedly connected with of transport section of thick bamboo (1) is linked together with connector (2) its inside, its characterized in that: the novel conveying device is 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 of the inner part of 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);

the head changing assembly (4) comprises a first gear disc (41), a plurality of limiting cylinders (42) are uniformly and penetratingly arranged at the edge of the upper surface of the first gear disc (41), spray heads (43) with different sizes are fixedly connected to the lower ends of the limiting cylinders (42), a fixed shaft (44) is vertically connected to the middle position of the upper surface of the first gear disc (41), a base plate (45) is rotatably arranged on the outer surface of the upper end of the fixed shaft (44) in a sleeved mode, a servo motor (46) is fixedly arranged at the middle position of the upper surface of the base plate (45), an output shaft of the servo motor (46) rotates to penetrate through the upper surface of the base plate (45) and is fixedly connected with a rotating shaft (47), a primary gear (48) is fixedly connected to the lower end of the rotating shaft (47), a second shaft (49) is in meshed connection with the first gear disc (41), a position of one side of the upper surface of the base plate (45) close to the servo motor (46) is penetratingly and slidably arranged on the upper end of the second shaft (49), and the upper end of the second shaft (49) is fixedly connected to the upper surface of the inner plate (3);

a chute (31) matched with the base plate (45) is formed in one side surface of the inner part of the L-shaped plate (3), one side of the base plate (45) is embedded into the chute (31) in a sliding manner, a first stabilizing shaft (32) is arranged on the upper surface of one side of the base plate (45) in a penetrating sliding manner, and two ends of the first stabilizing shaft (32) are fixedly connected with the upper surface and the lower surface of the interior of the chute (31) respectively;

the adjusting assembly (5) comprises two adjusting rods (51), a limiting rod (52) is horizontally connected between the upper ends of the two adjusting rods (51), an electric push rod (53) is fixedly arranged at one side position, close to the limiting rod (52), of the upper surface of the L-shaped plate (3), an output shaft of the electric push rod (53) is rotatably connected with an adjusting strip (54), and the other end of the adjusting strip (54) is sleeved and rotatably arranged on the outer surface of the limiting rod (52); the anti-blocking piece (6) comprises a support plate (61), one end upper surface of the support plate (61) is vertically connected with a guide rod cylinder (62) corresponding to the spray head (43), the other end upper surface of the support plate (61) is vertically connected with a sliding shaft (63), the upper end of the sliding shaft (63) is embedded and slidably installed at the middle position of the lower side of the L-shaped plate (3), a gear disc II (64) is rotatably connected to one side surface of the upper part of the L-shaped plate (3), an eccentric rod (65) is rotatably connected to one side of the lower part of the gear disc II (64), a protruding shaft (66) is fixedly connected to one side of the lower end of the eccentric rod (65), the other end of the protruding shaft (66) is rotatably connected to one side surface of the upper end of the sliding shaft (63), one side surface of the outer side surface of the L-shaped plate (3) is rotatably connected with a main gear II (68) at the upper position of the gear disc II (64), one side surface of the main gear II (68) is provided with a stepping motor (67), and the main gear II (68) is rotatably connected through an output shaft of the stepping motor (67);

the lower ends of the two adjusting rods (51) penetrate through the upper surfaces of the front side and the rear side of the L-shaped plate (3) respectively, and the opposite surfaces of the lower ends of the two adjusting rods (51) are connected to the middle positions of the front side and the rear side of the base plate (45) respectively in a rotating mode.

2. The quick connect mechanism for high efficiency 3D printer nozzles of claim 1, wherein: the position of the connecting port (2) corresponds to the circular arc position formed by each limiting cylinder (42) on the first gear disc (41), and the inner diameter of each limiting cylinder (42) is equal to the outer diameter of the connecting port (2).

3. The quick connect mechanism for high efficiency 3D printer nozzles of claim 1, wherein: the upper end inner wall 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).

4. A quick connect mechanism for a high efficiency 3D printer nozzle as defined in claim 3, wherein: the gasket (422) is an elastic material member.

5. The quick connect mechanism for high efficiency 3D printer nozzles of claim 1, 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 convex shaft (66), and the convex shaft (66) slides through the inner part of the movable groove.

6. The quick connect mechanism for high efficiency 3D printer nozzles of claim 1, wherein: the inside of the guide rod cylinder (62) is fixedly provided with a heating rod (621), and the outer diameter of the guide rod cylinder (62) is smaller than the inner diameter of the spray head (43).