CN212764793U

CN212764793U - 3D printing device

Info

Publication number: CN212764793U
Application number: CN202021599685.3U
Authority: CN
Inventors: 余华春
Original assignee: HANGZHOU WANXIANG POLYTECHNIC
Current assignee: HANGZHOU WANXIANG POLYTECHNIC
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-03-23
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a 3D printing device, y axle moving mechanism (27) be equipped with polished rod support (2) including setting up in the both sides on chassis (1) surface, be equipped with polished rod (3) in polished rod support (2), chassis (1) on be equipped with bottom motor support (4), be fixed with bottom motor (5) on bottom motor support (4), the stretching out of bottom motor (5) is served and is equipped with first band pulley (6), chassis (1) on be equipped with band pulley support (7), be equipped with second band pulley (8) on band pulley support (7), on second band pulley (8) and first band pulley (6) jointly around being equipped with first belt (9). The utility model improves the workbench, the workbench can adjust the height and angle of the table-board within a certain range according to the actual printing requirement, and can move and adjust stably and effectively in the y-axis direction; furthermore, the utility model discloses moving mechanism to x axle and z axle has also made the improvement, has improved the flexibility of printing.

Description

3D printing device

Technical Field

The utility model relates to a 3D printing apparatus field, especially a 3D printing device.

Background

The 3D printer, also called three-dimensional printer, is a machine of an accumulative manufacturing technique, i.e. a rapid prototyping technique, which is a machine based on a digital model file, and manufactures a three-dimensional object by printing a layer of adhesive material by using a special wax material, powdered metal or plastic and the like. State of the art three-dimensional printers are used to manufacture products. Techniques for building objects in a layer-by-layer printing manner. The principle of the 3D printer is that data and raw materials are put into the 3D printer, and the machine can build the product layer by layer according to the program. For example, the chinese patent publication No. CN105500708A discloses a 3D printer, which includes a bottom plate, a fixing mechanism disposed on the bottom plate, a supporting mechanism slidably connected to the fixing mechanism, a plurality of parallel transverse rods fixedly connected to the supporting mechanism, a printing mechanism slidably connected to the plurality of transverse rods, and an air cooling mechanism disposed on the printing mechanism; the air cooling mechanism comprises a fan fixedly connected to a printing head of the printing mechanism and a plurality of air pipes communicated with the fan, and the air pipes are arranged along the circumferential direction of the printing head; the air opening of the air pipe faces the bottom plate; the supporting seat comprises a lantern ring which is sleeved on the supporting rod in a sliding mode and a plurality of sleeves which are matched with the lantern ring; the vertical rod is vertically arranged, and the bottom end of the vertical rod is arranged in the sleeve; such that the position of the sleeve is unchanged when the collar is rotated. However, the invention has some defects, the structure is simpler, and the precision of the displacement of the printing head is not accurate enough when the model is printed, so that the printing quality is poorer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 3D printing device. The utility model improves the workbench, the workbench can adjust the height and angle of the table-board within a certain range according to the actual printing requirement, and can move and adjust stably and effectively in the y-axis direction; furthermore, the utility model discloses moving mechanism to x axle and z axle has also made the improvement, has improved the flexibility of printing.

The technical scheme of the utility model: A3D printing device comprises a bottom frame, wherein a y-axis moving mechanism, an x-axis moving mechanism and a z-axis moving mechanism are arranged on the bottom frame, the y-axis moving mechanism comprises polished rod supports arranged on two sides of the surface of the bottom frame, polished rods are arranged in the polished rod supports, a bottom motor support is arranged on the bottom frame, a bottom motor is fixed on the bottom motor support, a first belt wheel is arranged at the extending end of the bottom motor, a belt wheel support is arranged on the bottom frame, a second belt wheel is arranged on the belt wheel support, and a first belt is wound on the second belt wheel and the first belt wheel together; the polished rod is provided with a plurality of bottom linear bearings, a workbench is fixed on the bottom linear bearings and comprises a lower side plate fixed on the bottom linear bearings, a printing platform is arranged on the lower side plate, threaded holes are symmetrically formed in four corners of the printing platform, butterfly screws are arranged in the threaded holes, springs are sleeved on the butterfly screws, and the upper ends of the butterfly screws are fixed with the printing platform; the lower part of the workbench is provided with a belt matching block, the end part of a first belt is fixed with the belt matching block, and the first belt is arranged between the two polished rods; the base frame is provided with a vertical frame, the vertical frame is provided with a z-axis moving mechanism, the z-axis moving mechanism is provided with an x-axis moving mechanism, and the x-axis moving mechanism is provided with a printing mechanism.

In the 3D printing device, the z-axis moving mechanism includes lifting motor supports fixed to both sides of the base frame, a lifting motor is fixed below the lifting motor supports, an end rod support is arranged at the upper end of the stand, a sliding rod is arranged between the end rod support and the lifting motor support, an extending end of the lifting motor is connected with a screw rod, and one end of the screw rod is fixed in the end rod support; and the screw rod and the sliding rod are provided with longitudinal moving seats.

Among the aforementioned 3D printing device, x axle moving mechanism including fixing the transverse bar between the longitudinal movement seat of both sides, wherein be equipped with the transverse motor on the longitudinal movement seat of one side, the end that stretches out of transverse motor is equipped with the third band pulley, the longitudinal movement seat of opposite side in be equipped with the fourth band pulley, around being equipped with the second belt on third band pulley and the fourth band pulley, be equipped with printing mechanism on transverse bar and the second belt, be equipped with horizontal linear bearing in the printing mechanism, printing mechanism is connected with transverse bar through horizontal linear bearing.

In the aforementioned 3D printing apparatus, the bottom linear bearings have four sets, and two sets are provided on each polish rod.

In the foregoing 3D printing apparatus, the printing platform is made of an aluminum material.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model is provided with a y-axis moving mechanism on the chassis, a bottom linear bearing is arranged on the y-axis moving mechanism, a workbench is fixed on the bottom linear bearing, the workbench comprises a lower side plate fixed on the bottom linear bearing, a printing platform is arranged on the lower side plate, four corners of the printing platform are symmetrically provided with threaded holes, a butterfly screw is arranged in the threaded hole, a spring is sleeved on the butterfly screw, and the upper end of the butterfly screw is fixed with the printing platform; according to actual needs, the thumb screws are rotated to adjust the distance between the printing platform and the lower side plate, so that the height of the printing platform is adjusted, or individual thumb screws are adjusted, so that the printing platform and the lower side plate form a certain angle.

2. In the utility model, the y-axis moving mechanism comprises a polished rod support arranged on two sides of the surface of the bottom frame, a polished rod is arranged in the polished rod support, a bottom motor support is arranged on the bottom frame, a bottom motor is fixed on the bottom motor support, a first belt wheel is arranged on the extending end of the bottom motor, a belt wheel support is arranged on the bottom frame, a second belt wheel is arranged on the belt wheel support, a first belt is wound on the second belt wheel and the first belt wheel together, a plurality of bottom linear bearings are arranged on the polished rod, and a workbench is fixed on the bottom linear bearings; the bottom motor drives the first belt to rotate, so that the bottom linear bearings on two sides of the first belt move, and the workbench can effectively and stably move back and forth in the y-axis direction.

3. The utility model discloses the total four groups of bottom linear bearing, be provided with two sets ofly on the every polished rod, in order to increase the stability of operation, set up multiunit linear bearing.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a table;

FIG. 3 is a schematic view of a transverse motor;

fig. 4 is a partially enlarged view of the table.

Description of the reference symbols in the drawings: 1-base frame, 2-polish rod support, 3-polish rod, 4-bottom motor support, 5-bottom motor, 6-first pulley, 7-pulley support, 8-second pulley, 9-first belt, 10-bottom linear bearing, 11-workbench, 12-belt matching block, 13-vertical stand, 14-elevator motor support, 15-elevator motor, 16-end rod support, 17-sliding rod, 18-screw, 19-longitudinal moving seat, 20-transverse rod, 21-transverse motor, 22-third pulley, 23-fourth pulley, 24-second belt, 25-printing mechanism, 26-transverse linear bearing, 111-lower side plate, 112-printing platform, 113-butterfly screw, 114-spring, 115-threaded hole, 27-y axis moving mechanism, 28-z axis moving mechanism and 29-x axis moving mechanism.

Detailed Description

The present invention will be further described with reference to the following drawings and examples, but the invention is not limited thereto.

Example (b): A3D printing device is shown in figure 1 and comprises a bottom frame 1, wherein a y-axis moving mechanism 27, an x-axis moving mechanism 29 and a z-axis moving mechanism 28 are arranged on the bottom frame 1, the y-axis moving mechanism 27 comprises polished rod supports 2 arranged on two sides of the surface of the bottom frame 1, polished rods 3 are arranged in the polished rod supports 2, a bottom motor support 4 is arranged on the bottom frame 1, a bottom motor 5 is fixed on the bottom motor support 4, a first belt pulley 6 is arranged at the extending end of the bottom motor 5, a belt pulley support 7 is arranged on the bottom frame 1, a second belt pulley 8 is arranged on the belt pulley support 7, and a first belt 9 is wound on the second belt pulley 8 and the first belt pulley 6 together; the polished rod 3 is provided with a plurality of bottom linear bearings 10, the bottom linear bearings 10 have four groups, two groups are arranged on each polished rod 3, and a plurality of groups of linear bearings are arranged for increasing the running stability; a workbench 11 is fixed on the bottom linear bearing 10, the workbench 11 comprises a lower side plate 111 fixed on the bottom linear bearing 10, as shown in fig. 2, a printing platform 112 is arranged on the lower side plate 111, as shown in fig. 4, threaded holes 115 are symmetrically arranged at four corners of the printing platform 112, a thumb screw 113 is arranged in the threaded hole 115, a spring 114 is sleeved on the thumb screw 113, the upper end of the thumb screw 113 is fixed with the printing platform 112, and the spring is arranged to increase the screwing force; the lower part of the workbench 11 is provided with a belt matching block 12, the end part of the first belt 9 is fixed with the belt matching block 12, and the first belt 9 is arranged between the two polished rods 3; the base frame 1 is provided with a vertical frame 13, the vertical frame 13 is provided with a z-axis moving mechanism 28, the z-axis moving mechanism 28 is provided with an x-axis moving mechanism 29, and the x-axis moving mechanism 29 is provided with a printing mechanism 25; the z-axis moving mechanism 28 includes a lifting motor support 14 fixed on both sides of the underframe 1, as shown in fig. 3, a lifting motor 15 is fixed under the lifting motor support 14, an end rod support 16 is arranged at the upper end of the vertical frame 13, a sliding rod 17 is arranged between the end rod support 16 and the lifting motor support 14, a screw 18 is connected to the extending end of the lifting motor 15, one end of the screw 18 is fixed in the end rod support 16, a bearing is arranged in the end support, and one end of the screw is embedded in the bearing; the screw 18 and the sliding rod 17 are provided with a longitudinal moving seat 19; the x-axis moving mechanism 29 comprises a transverse rod 20 fixed between longitudinal moving seats 19 on two sides, a transverse motor 21 is arranged on the longitudinal moving seat 19 on one side, a third belt wheel 22 is arranged at the extending end of the transverse motor 21, a fourth belt wheel 23 is arranged in the longitudinal moving seat 19 on the other side, a second belt 24 is wound on the third belt wheel 22 and the fourth belt wheel 23, a printing mechanism 25 is arranged on the transverse rod 20 and the second belt 24, a transverse linear bearing 26 is arranged on the printing mechanism 25, and the printing mechanism 25 is connected with the transverse rod 20 through the transverse linear bearing 26.

The utility model discloses a theory of operation: according to the needs of the printing of reality, adjust the workstation, rotate thumb screw, adjust the distance between print platform and the lower side plate, realize the regulation to print platform height, perhaps adjust wherein individuality thumb screw for print platform forms certain angle with the lower side plate, the utility model discloses set up the mobile device on x, y and z three direction, on the x direction, the bottom motor drives first belt and rotates, and then drives the removal of workstation, on the z direction, elevator motor drives the screw rod and rotates, and then drives the longitudinal movement seat and remove on the slide bar, and on the y direction, horizontal motor starts, drives printing mechanism lateral shifting, and printing mechanism can print the successive layer on this three direction, the model that produces.

Claims

1. The utility model provides a 3D printing device, includes chassis (1), is equipped with y axle moving mechanism (27), x axle moving mechanism (29) and z axle moving mechanism (28) on chassis (1), its characterized in that: the Y-axis moving mechanism (27) comprises polished rod supports (2) arranged on two sides of the surface of an underframe (1), a polished rod (3) is arranged in each polished rod support (2), a bottom motor support (4) is arranged on the underframe (1), a bottom motor (5) is fixed on each bottom motor support (4), a first belt wheel (6) is arranged at the extending end of each bottom motor (5), a belt wheel support (7) is arranged on the underframe (1), a second belt wheel (8) is arranged on each belt wheel support (7), and a first belt (9) is wound on each second belt wheel (8) and each first belt wheel (6); the polishing device is characterized in that a plurality of bottom linear bearings (10) are arranged on the polish rod (3), a workbench (11) is fixed on the bottom linear bearings (10), the workbench (11) comprises a lower side plate (111) fixed on the bottom linear bearings (10), a printing platform (112) is arranged on the lower side plate (111), threaded holes (115) are symmetrically formed in four corners of the printing platform (112), butterfly screws (113) are arranged in the threaded holes (115), springs (114) are sleeved on the butterfly screws (113), and the upper ends of the butterfly screws (113) are fixed with the printing platform (112); a belt matching block (12) is arranged at the lower part of the workbench (11), the end part of the first belt (9) is fixed with the belt matching block (12), and the first belt (9) is arranged between the two polished rods (3); the printing machine is characterized in that a vertical frame (13) is arranged on the bottom frame (1), a z-axis moving mechanism (28) is arranged on the vertical frame (13), an x-axis moving mechanism (29) is arranged on the z-axis moving mechanism (28), and a printing mechanism (25) is arranged on the x-axis moving mechanism (29).

2. The 3D printing device according to claim 1, characterized in that: the z-axis moving mechanism (28) comprises lifting motor supports (14) fixed on two sides of the underframe (1), a lifting motor (15) is fixed below the lifting motor supports (14), an end rod support (16) is arranged at the upper end of the vertical frame (13), a sliding rod (17) is arranged between the end rod support (16) and the lifting motor supports (14), a screw rod (18) is connected to the extending end of the lifting motor (15), and one end of the screw rod (18) is fixed in the end rod support (16); the screw rod (18) and the sliding rod (17) are provided with a longitudinal moving seat (19).

3. The 3D printing device according to claim 1, characterized in that: x axle moving mechanism (29) including fixing transverse rod (20) between longitudinal movement seat (19) of both sides, wherein be equipped with horizontal motor (21) on longitudinal movement seat (19) of one side, be equipped with third band pulley (22) on the end that stretches out of horizontal motor (21), longitudinal movement seat (19) of opposite side in be equipped with fourth band pulley (23), around being equipped with second belt (24) on third band pulley (22) and fourth band pulley (23), be equipped with printing mechanism (25) on transverse rod (20) and second belt (24), be equipped with horizontal linear bearing (26) on printing mechanism (25), printing mechanism (25) are connected with transverse rod (20) through horizontal linear bearing (26).

4. The 3D printing device according to claim 1, characterized in that: the bottom linear bearings (10) are four in number, and two groups are arranged on each polished rod (3).

5. The 3D printing device according to claim 1, characterized in that: the printing platform (112) is made of aluminum.