CN215396937U

CN215396937U - Transmission device of 3D printer

Info

Publication number: CN215396937U
Application number: CN202121347485.3U
Authority: CN
Inventors: 刘德生
Original assignee: Henan Magic Monkey 3d Technology Co ltd
Current assignee: Henan Magic Monkey 3d Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-04
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to the technical field of 3D printing equipment, in particular to a transmission device of a 3D printer, which comprises a base, wherein the upper end of the base is slidably connected with a printing platform in the front-back direction, the left end and the right end of the base are respectively provided with a fixed seat, the upper ends of the two fixed seats are respectively provided with a guide rod in the up-down direction, the guide rod on the left side is slidably connected with a slide rod in the left-right direction, the right end of the slide rod is inserted into a chute of the guide rod on the right side and is slidably connected with the slide rod, the upper end of the slide rod is slidably connected with a slide block positioned above the printing platform, the front end of the slide block is provided with a printing nozzle, the upper end of the fixed seat on the left side is provided with a driving mechanism capable of driving the printing nozzle to move in the left-right direction, the upper end of the fixed seat on the right side is provided with a transmission mechanism capable of driving the slide rod to move up and down, the transmission precision of the 3D printer is improved, and the printing space is saved, the method has wide application prospect in the technical field of 3D printing equipment.

Description

Transmission device of 3D printer

Technical Field

The utility model relates to the technical field of 3D printing equipment, in particular to a transmission device of a 3D printer.

Background

The 3D printer is also called as a three-dimensional printer, is a machine of an accumulation manufacturing technology, namely a rapid prototyping technology, and is a machine which is based on a digital model file, can manufacture a three-dimensional object by printing a layer of bonding material layer by using bonding materials such as special wax materials, powdered metal or plastics and the like.

Most 3D printer structures on the existing market all adopt linear bearing to pass sharp optical axis and realize mechanical motion's device, 3D printer plane direction motion drives the belt by the motor and makes linear bearing cover transmit the operation on sharp optical axis, the principle printing mode piled up layer upon layer through the hot melt constructs the three-dimensional model, the precision is not high when linear bearing and sharp optical axis function, motor position is crowded to account for the printing space easily in addition, the transmission of 3D printer is urgently needed for this reason, solve current 3D printer precision when the function not high and crowded problem of accounting for the printing space easily.

SUMMERY OF THE UTILITY MODEL

The transmission device of the 3D printer is invented for solving the problems that most 3D printer structures in the market at present adopt a device that a linear bearing penetrates through a linear optical axis to realize mechanical motion, the precision of the linear bearing and the linear optical axis is low when the linear bearing and the linear optical axis operate, and in addition, the position of a motor is easy to occupy the printing space.

The technical scheme of the utility model is that the printing device comprises a base, wherein the upper end of the base is connected with a printing platform in the front-back direction in a sliding manner, the lower end of the printing platform is provided with a rack in the front-back direction, the base is provided with a first motor in the left-right direction, the output end of the first motor is coaxially provided with a gear meshed with the rack, the left end and the right end of the base are respectively provided with a fixed seat, the upper ends of the two fixed seats are respectively provided with a guide rod in the up-down direction, the opposite ends of the two guide rods are respectively provided with a sliding groove which is communicated with the left and the right, the guide rod on the left side is connected with a sliding rod in the left-right direction in a sliding manner, the right end of the sliding rod is inserted into the sliding groove of the guide rod on the right side and is connected with the sliding rod in a sliding manner, the upper end of the sliding rod is connected with a sliding block positioned above the printing platform, the front end of the sliding block is provided with a printing nozzle, the upper end of the fixed seat on the left side is provided with a driving mechanism capable of driving the printing nozzle to move in the left-right direction, and a transmission mechanism capable of driving the sliding rod to move up and down is arranged at the upper end of the fixed seat on the right side.

Preferably, actuating mechanism includes driving pulley, second motor, driven pulleys, leading pulley, hold-in range, the ascending notch of opening has been seted up to the slide bar upper end, it is connected with the interior just upper and lower axial driving pulley of insertion notch to rotate on the slider, left fixing base upper end is equipped with the second motor of direction from top to bottom, the coaxial driven pulleys that is equipped with of second motor output, the slide bar right side is rotated and is connected with upper and lower axial leading pulley, through hold-in range transmission between driving pulley, driven pulleys, the leading pulley.

Preferably, the transmission mechanism comprises a third motor and a screw rod, the upper end of the base on the right side is provided with the third motor which is arranged in the vertical direction and below the sliding rod, the output end of the third motor penetrates through the sliding rod and is coaxially provided with the screw rod, and the screw rod is in threaded connection with the sliding rod.

Preferably, the left side and the right side of the upper end of the base are respectively provided with a sliding chute with an upward opening in the front-back direction, and the left side and the right side of the lower end of the printing platform are respectively provided with a sliding strip in the front-back direction and capable of sliding in the sliding chute.

Preferably, the upper end of the screw rod is rotatably connected with a left-right fixed frame, and the fixed frame is fixedly connected with the two guide rods.

Preferably, the first motor, the second motor and the third motor are all stepping motors.

Preferably, a vertical placing plate is arranged at the right end of the second motor, a plurality of rollers are arranged at the right end of the placing plate, and the rollers are in rolling connection with the guide rod.

The technical scheme of the utility model can achieve the following beneficial effects: (1) the printing nozzle of the device can be conveniently moved in the left and right directions through the driving mechanism, the transmission accuracy is ensured by using the synchronous belt, meanwhile, the printing nozzle can be quickly moved, and the noise of the printing nozzle during movement is reduced; (2) through the transmission mechanism, the printing nozzle can move in the vertical direction, and the product can be printed conveniently; (3) the sliding rod and the guide rod are beneficial to guiding the moving direction of the printing nozzle and improving the stability of the device; (4) the printing platform can move in the front and back direction conveniently through the gear and the rack, and the printing speed can be improved; the technical scheme of the utility model has wide application prospect in the technical field of 3D printing equipment.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is a front view, full section and cutaway view of the present invention.

Fig. 3 is a right side full section view of the present invention.

Fig. 4 is a top plan full section view of the present invention.

Fig. 5 is an enlarged view of a in fig. 4 according to the present invention.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative effort belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element 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 "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance in the description of the present invention, it being noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, a transmission device of a 3D printer comprises a base 1, wherein the upper end of the base 1 is slidably connected with a printing platform 2 in the front-back direction, which is favorable for placing a printed product, the lower end of the printing platform 2 is provided with a rack 3 in the front-back direction, the base 1 is fixedly connected with a first motor 4 in the left-right direction, the output end of the first motor 4 is coaxially provided with a gear 5 meshed with the rack 3, the rack 3 and the gear 5 are meshed to drive the printing platform 2 to move in the front-back direction, so that the printing platform 2 moves independently, which is favorable for improving the printing efficiency, the left end and the right end of the base 1 are respectively and fixedly connected with a fixing seat 6, which is favorable for setting the device and improving the stability of the device, the upper ends of the two fixing seats 6 are respectively and fixedly connected with guide rods 7 in the up-down direction, and opposite ends of the two guide rods 7 are respectively provided with a left-right through chute, the left guide rod 7 is connected with a slide rod 8 in the left-right direction in a sliding way, the right end of the slide rod 8 is inserted into the sliding groove of the right guide rod 7 and is connected with the slide rod in a sliding way, the left end and the right end of the slide rod 8 are respectively inserted into the sliding grooves of the guide rods 7 on the corresponding sides of the slide rod 8, the guide of the slide rod 8 is facilitated, the stability of the device is improved, the upper end of the slide rod 8 is connected with a slide block 9 positioned above the printing platform 2 in a sliding way, the slide rod 8 is arranged in a dovetail shape, the stability of the printing spray head 10 in moving is facilitated, the front end of the slide block 9 is fixedly connected with a printing spray head 10, the upper end of a left fixed seat 6 is provided with a driving mechanism capable of driving the printing spray head 10 to move in the left-right direction, the printing spray head 10 of the device can move in the left-right direction conveniently through the driving mechanism, the synchronous belt 15 is utilized, the transmission accuracy is guaranteed, and the printing spray head 10 can move rapidly, the noise of the printing nozzle 10 during moving is reduced, the upper end of the fixing seat 6 on the right side is provided with a transmission mechanism capable of driving the sliding rod 8 to move up and down, and the transmission mechanism is favorable for moving the printing nozzle 10 in the up-and-down direction and facilitating printing of products.

As shown in fig. 1-5, the driving mechanism includes a driving pulley 11, a second motor 12, a driven pulley 13, a guiding pulley 14, and a synchronous belt 15, wherein a slot with an upward opening is formed at the upper end of the sliding rod 8, the sliding rod 9 is rotatably connected with the driving pulley 11 inserted into the slot and axially moved up and down, the upper end of the left fixing seat 6 is fixedly connected with the second motor 12 vertically, the output end of the second motor 12 is coaxially and fixedly connected with the driven pulley 13, the right side of the sliding rod 8 is rotatably connected with the guiding pulley 14 axially moved up and down, the driving pulley 11, the driven pulley 13, and the guiding pulley 14 are driven by the synchronous belt 15, and the synchronous belt 15 drives the printing nozzle 10 to move rapidly, thereby improving the printing precision of the printing nozzle 10, reducing the weight of the printing nozzle 10, and making the printing nozzle 10 move more flexibly, More convenient, the work efficiency of 3D printer has been improved, specifically speaking, hold-in range 15 walks around from driven pulley 13 through the motor output to walk around from the right-hand member of leading pulley 14 to the right side, this mechanism is when using, and second motor 12 rotates and drives driving pulley 11 and rotate, and driving pulley 11 drives from driven pulley 13 and takes place to rotate and take place to remove, and from driven pulley 13 drives slider 9 and takes place to remove, and slider 9 drives and prints shower nozzle 10 and take place to remove, and driving pulley 11 drives leading pulley 14 and rotates simultaneously.

As shown in fig. 1-5, a transmission device of a 3D printer, the transmission mechanism includes a third motor 16 and a screw 17, the upper end of the right base 1 is fixedly connected with the third motor 16 which is located in the up-down direction and below the slide bar 8, the third motor 16 drives the print head 10 to move in the up-down direction, the output end of the third motor 16 penetrates through the slide bar 8 and is coaxially and fixedly connected with the screw 17, the screw 17 is in threaded connection with the slide bar 8, when the mechanism is in use, the third motor 16 rotates to drive the screw 17 to rotate, the screw 17 drives the slide bar 8 to move up and down, through threaded connection, stable transmission is facilitated for the print head 10, the left and right sides of the upper end of the base 1 are respectively provided with a slide groove in the front-back direction and with an upward opening, the left and right sides of the lower end of the print platform 2 are respectively and fixedly connected with a slide bar 18 in the front-back direction and capable of sliding in the slide groove, thereby facilitating guiding the print platform 2, be favorable to promoting the stability of print platform 2 when removing, the upper end of screw rod 17 is rotated and is connected with the mount 19 of left right direction, mount 19 and two 7 fixed connection of guide arm set up first motor 4, second motor 12, third motor 16 in this device and be step motor, be convenient for control the position that printing shower nozzle 10 printed, the board 20 of placing of direction about 12 right-hand member fixedly connected with of second motor, place a plurality of gyro wheels 21 of board 20 right-hand member fixedly connected with,

gyro wheel

21 and 7 roll connection of guide arm, the slip of the motor of being convenient for.

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

Claims

1. The transmission device of the 3D printer comprises a base (1) and is characterized in that the upper end of the base (1) is slidably connected with a printing platform (2) in the front-back direction, the lower end of the printing platform (2) is provided with a rack (3) in the front-back direction, the base (1) is provided with a first motor (4) in the left-right direction, the output end of the first motor (4) is coaxially provided with a gear (5) meshed with the rack (3), the left end and the right end of the base (1) are respectively provided with a fixing seat (6), the upper ends of the two fixing seats (6) are respectively provided with guide rods (7) in the up-down direction, opposite ends of the two guide rods (7) are respectively provided with a sliding groove which is communicated in the left-right direction, the left guide rod (7) is slidably connected with a sliding rod (8) in the left-right direction, the right end of the sliding rod (8) is inserted into the sliding groove of the guide rod (7) on the right side and is slidably connected with the sliding rod, slide bar (8) upper end sliding connection has slider (9) that is located print platform (2) top, slider (9) front end is equipped with prints shower nozzle (10), left fixing base (6) upper end is equipped with the actuating mechanism that can order about printing shower nozzle (10) and remove in the left right direction, fixing base (6) upper end on right side is equipped with the drive mechanism that can order about slide bar (8) and reciprocate.

2. The transmission device of the 3D printer according to claim 1, wherein the driving mechanism includes a driving pulley (11), a second motor (12), a driven pulley (13), a guiding pulley (14), and a synchronous belt (15), a slot opening upward is formed in the upper end of the sliding rod (8), the sliding block (9) is rotatably connected with the driving pulley (11) inserted in the slot opening and axially extending up and down, the second motor (12) is arranged at the upper end of the left fixing seat (6), the driven pulley (13) is coaxially arranged at the output end of the second motor (12), the guiding pulley (14) is rotatably connected to the right side of the sliding rod (8), and the driving pulley (11), the driven pulley (13), and the guiding pulley (14) are driven by the synchronous belt (15).

3. The transmission device of the 3D printer according to claim 1, wherein the transmission mechanism comprises a third motor (16) and a screw (17), the third motor (16) is arranged at the upper end of the base (1) on the right side in the up-down direction and below the slide rod (8), the output end of the third motor (16) penetrates through the slide rod (8) and is coaxially provided with the screw (17), and the screw (17) is in threaded connection with the slide rod (8).

4. The transmission device of the 3D printer according to claim 1, wherein the left and right sides of the upper end of the base (1) are respectively provided with a sliding groove with an upward opening in the front-back direction, and the left and right sides of the lower end of the printing platform (2) are respectively provided with a sliding strip (18) with a front-back direction and capable of sliding in the sliding groove.

5. The transmission device of the 3D printer according to claim 3, characterized in that the upper end of the screw (17) is rotatably connected with a left-right fixed frame (19), and the fixed frame (19) is fixedly connected with the two guide rods (7).

6. The transmission of a 3D printer according to claim 1, wherein the first motor (4), the second motor (12) and the third motor (16) are stepper motors.

7. The transmission device of a 3D printer according to claim 2, characterized in that the right end of the second motor (12) is provided with a vertical placing plate (20), the right end of the placing plate (20) is provided with a plurality of rollers (21), and the rollers (21) are in rolling connection with the guide rod (7).