CN217414920U

CN217414920U - Printing table adjusting structure of 3D printer

Info

Publication number: CN217414920U
Application number: CN202220661357.4U
Authority: CN
Inventors: 廖承
Original assignee: Dongguan City Three Dimensional Three Printing Technology Co ltd
Current assignee: Dongguan City Three Dimensional Three Printing Technology Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-09-13
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a structure is adjusted to print table of 3D printer, include: print platform and adjustment mechanism, adjustment mechanism include coarse adjustment mechanism and fine tuning, and coarse adjustment mechanism is used for highly carrying out the coarse adjustment to print platform, and fine tuning installs on coarse adjustment mechanism, and fine tuning is used for highly carrying out the fine tuning to print platform, and print platform installs on fine tuning. The beneficial effects of the utility model include: the utility model provides a structure is adjusted to print table of 3D printer, adjusts the structure with the print table of current 3D printer, can highly carry out the accurate adjustment to the print table through coarse adjustment mechanism and fine tuning mechanism cooperation to can improve the printing effect of printer.

Description

Printing table adjusting structure of 3D printer

Technical Field

The utility model belongs to the technical field of the 3D printer technique and specifically relates to a structure is adjusted to print table of 3D printer is related to.

Background

The most important difference between the 3D printer and the conventional printer is that the ink used by the printer is a real raw material, and the form of the stacked thin layers is various.

Chinese utility model CN 208497681U discloses a height adjusting mechanism for 3D printer printing table, and specifically discloses a height adjusting mechanism for 3D printer printing table, comprising a bottom plate, a servo motor is fixedly connected to the left side of the bottom plate, a first gear is fixedly connected to the output end of the servo motor, support rods are fixedly connected to the left and right sides of the top end of the bottom plate, slots are formed in the top ends of the support rods, a transmission rod is installed between the support rods, the transmission rod is rotatably connected to the support rods through bearings, the transmission rod penetrates through the support rods, a second gear is fixedly connected to the right side of the transmission rod, the second gear is installed at the rear side of the first gear, the first gear is meshed with the second gear, the left and right sides of the outer wall of the transmission rod are fixedly connected with a first external thread and a second external thread respectively, the thread directions of the first external thread and the second external thread are opposite and the thread pitches are the same, the lantern ring has all been cup jointed to the outer wall left and right sides of transfer line, the inner wall rigid coupling of the lantern ring has the internal thread, the internal thread links to each other with first external screw thread and second external screw thread, the top rigid coupling of the lantern ring has first support, first ejector pin and second ejector pin are installed respectively to the inboard of first support, first ejector pin and second ejector pin all rotate with first support through first round pin axle and link to each other, first spout has been seted up to the inboard of second ejector pin, first spout slides with first ejector pin and links to each other, the second support is all installed in the top outside of first ejector pin and second ejector pin, the second support rotates with first ejector pin and second ejector pin respectively through the second round pin axle and links to each other, the top rigid coupling of second support has the platen, the equal rigid coupling in bottom left and right sides of platen has the picture peg, picture peg and slot clearance fit. When the height of the printing table of the 3D printer is adjusted, the servo motor starts to work by controlling an external machine power supply connected with the servo motor to drive a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a transmission rod to rotate, the transmission rod drives a first thread and a second thread to rotate, the first thread and the second thread and the inner side of an internal thread rotate, a lantern ring is driven to move on the outer wall of the transmission rod, the lantern ring drives a first ejector rod and a second ejector rod to rotate around a first pin shaft on the inner side of a first support, the first ejector rod and the second ejector rod rotate around a second pin shaft on the inner side of a second support, the inclination angles of the first ejector rod and the second ejector rod are changed, so that the supporting height of the first ejector rod and the second ejector rod on the table plate is changed, the height adjustment of the table plate is completed, but the height of the printing table cannot be accurately adjusted, thus affecting the printing performance of the printer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technique not enough, provide a print table of 3D printer and adjust structure, the height of the print table of 3D printer among the solution prior art can not the accurate regulation to influence the technical problem of the printing effect of printer.

In order to achieve the technical purpose, the utility model provides a printing table of 3D printer adjusts structure, include:

a printing table;

the adjusting mechanism, adjusting mechanism include coarse adjustment mechanism and fine-tuning, and coarse adjustment mechanism is used for highly carrying out the coarse adjustment to the printing station, and fine-tuning installs on coarse adjustment mechanism, and fine-tuning is used for highly carrying out the fine adjustment to the printing station, and the printing station is installed on fine-tuning.

Further, coarse adjustment mechanism includes square frame, the vertical transmission lead screw that is provided with in the square frame, the transmission lead screw upper end is installed at the square frame top through the bearing, transmission lead screw lower extreme is connected with drive arrangement, drive arrangement is used for driving the transmission lead screw and rotates, drive arrangement installs in the square frame bottom, threaded connection has drive nut on the transmission lead screw, the drive nut outer wall is connected with lifter plate one side, lifter plate one side still with square frame sliding connection, fine adjustment mechanism installs at the lifter plate opposite side.

Further, the driving device is a motor.

Further, all install the slide rail on the vertical direction along square frame both sides, lifter plate one side both ends all install with slide rail matched with slider, lifter plate one side both ends all via slide rail and slider sliding connection with square frame both sides.

Further, fine-tuning includes first support frame and second support frame, and first support frame is installed at the lifter plate opposite side, all installs the threaded rod on four angles in second support frame bottom, all installs the fixed plate on four angles in first support frame top, is equipped with the through-hole in the fixed plate, and the threaded rod lower extreme passes through-hole and the thread bush threaded connection on corresponding the fixed plate, is connected through the elastic component between second support frame and the fixed plate, and the printing table is installed at second support frame top.

Further, the elastic member is a spring.

Furthermore, a reinforcing plate is arranged at the joint of the first support frame and the lifting plate.

Further, the printing station is a heating station.

The beneficial effects of the utility model include: the beneficial effects of the utility model include: the utility model provides a print table of 3D printer adjusts structure compares with the print table of current 3D printer adjusts the structure, can highly carry out the accuracy adjustment to the print table through coarse tuning mechanism and fine tuning mechanism cooperation to can improve the printing effect of printer.

Drawings

Fig. 1 is a schematic structural diagram of a printing table adjusting structure of a 3D printer according to an embodiment of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

in the figure: 1. a printing table; 2. an adjustment mechanism; 21. a coarse adjustment mechanism; 211. a square frame; 212. a transmission screw rod; 213. a drive device; 214. a drive nut; 215. a lifting plate; 216. a slide rail; 217. A slider; 22. a fine adjustment mechanism; 221. a first support frame; 222. a second support frame; 223. a threaded rod; 224. a fixing plate; 2241. calibration; 225. a threaded sleeve; 2251. marking; 226. an elastic member; 227. a reinforcing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1, the utility model provides a structure is adjusted to print table of 3D printer, include: print table 1 and adjustment mechanism 2, adjustment mechanism 2 includes coarse adjustment mechanism 21 and fine adjustment mechanism 22, and coarse adjustment mechanism 21 is used for highly carrying out the coarse adjustment to print table 1, and fine adjustment mechanism 22 installs on coarse adjustment mechanism 21, and fine adjustment mechanism 22 is used for highly carrying out the fine adjustment to print table 1, and print table 1 installs on fine adjustment mechanism 22. During the use, at first carry out coarse adjustment through coarse adjusting mechanism 21 to the height of printing platform 1, then carry out fine adjustment through fine adjusting mechanism 22 to the height of printing platform 1, compare the printing platform of current 3D printer and adjust the structure, can be accurate highly adjusting printing platform 1 to can improve the printing effect of printer.

More specifically, the rough adjusting mechanism 21 comprises a square frame 211, a transmission screw 212 is vertically arranged in the square frame 211, the upper end of the transmission screw 212 is mounted at the top of the square frame 211 through a bearing, the lower end of the transmission screw 212 is connected with a driving device 213, the driving device 213 is used for driving the transmission screw 212 to rotate, the driving device 213 is mounted at the bottom of the square frame 211, a transmission nut 214 is in threaded connection with the transmission screw 212, the outer wall of the transmission nut 214 is connected with one side of a lifting plate 215, one side of the lifting plate 215 is also in sliding connection with the square frame 211, the fine adjusting mechanism 22 is mounted at the other side of the lifting plate 215, the driving device 213 can drive the transmission screw rod 212 to rotate, the transmission screw rod 212 can drive the transmission nut 214 to lift, the transmission nut 214 drives the lifting plate 215 to lift, the lifting plate 215 drives the fine adjustment mechanism 22 to lift, so that the printing table 1 can be driven to lift, and the height of the lifting table 1 can be roughly adjusted.

In this embodiment, the driving device 213 is a motor.

It should be noted that, for the driving device 213, it only needs to be satisfied that the driving screw 212 can be driven to rotate, and therefore, it is not limited to the form of an electric motor, for example, in other embodiments, the driving device 213 uses a driving element such as a hydraulic motor or a pneumatic motor which can drive the driving screw 212 to rotate.

It should be noted that, the two sides of the square frame 211 are both provided with the slide rails 216 in the vertical direction, the two ends of one side of the lifting plate 215 are both provided with the slide blocks 217 matched with the slide rails 216, the two ends of one side of the lifting plate 215 are both connected with the two sides of the square frame 211 in a sliding manner through the slide rails 216 and the slide blocks 217, and the two ends of one side of the lifting plate 215 are connected with the two sides of the square frame 211 in a sliding manner through the matching of the slide rails 216 and the slide blocks 217, so that the lifting plate 215 is more stable in the lifting process.

More specifically, as shown in fig. 2, the fine adjustment mechanism 22 includes a first support frame 221 and a second support frame 222, the first support frame 221 is installed on the other side of the lifting plate 215, four corners of the bottom of the second support frame 222 are respectively provided with a threaded rod 223, four corners of the top of the first support frame 221 are respectively provided with a fixing plate 224, a through hole is arranged in the fixing plate 224, the lower end of the threaded rod 223 penetrates through the through hole on the corresponding fixing plate 224 and is in threaded connection with a threaded sleeve 225, the second support frame 222 is connected with the fixing plate 224 through an elastic member 226, the printing table 1 is installed on the top of the second support frame 222, the height of the second support bracket 222 can be finely adjusted by manually rotating the four threaded sleeves 225, while the elastic member 226 is stretched and supports the second support bracket 222, thereby carry out the fine adjustment to the height of printing platform 1, still can adjust printing platform 1 to horizontality simultaneously to can further be favorable to carrying out 3D and print.

In order to adjust the printing table 1 to a horizontal state conveniently, the bottom of the fixing plate 224 is circumferentially provided with a scale 2241 by taking the threaded sleeve 225 as a center, the outer wall of the threaded sleeve 225 is provided with a mark 2251 matched with the scale 2241, and the printing table 1 can be leveled conveniently by matching the scale 2241 with the mark 2251.

In this embodiment, the elastic member 226 is a spring.

It should be noted that, as for the elastic member 226, it only needs to be able to contract and support the second support frame 222, and therefore, it is not limited to use in the form of a spring, for example, in other embodiments, the elastic member 226 is an elastic member such as a disc spring or a rubber column, which can contract and support the second support frame 222.

In order to improve the connection strength between the first support frame 221 and the lifting plate 215, a reinforcing plate 227 is arranged at the connection part of the first support frame 221 and the lifting plate 215, and the connection strength between the first support frame 221 and the lifting plate 215 can be improved through the reinforcing plate 227, so that the connection part of the first support frame 221 and the lifting plate 215 can be prevented from being broken.

It should be noted that the reinforcing plates 227 include two reinforcing plates 227, and the two reinforcing plates 227 are respectively installed at two sides of the bottom of the first support frame 212 and are respectively and fixedly connected with the lifting plate 215, so that the design can further improve the connection strength between the first support frame 212 and the lifting plate 215, and further prevent the fracture of the connection between the first support frame 212 and the lifting plate 215.

Print table 1 is the warm table, can heat the printing product through the warm table, prevents that the printing product from warping, sticks up the limit and breaks away from the platform because of the shrink, need not to increase external heating device.

The specific principle is as follows: when the device is used, the driving device 213 drives the transmission screw rod 212 to rotate, the transmission screw rod 212 drives the transmission nut 2114 to lift, the transmission nut 214 drives the lifting plate 215 to lift, the lifting plate 215 drives the fine adjustment mechanism 22 to lift, so that the printing table 1 is driven to lift, the height of the printing table 1 is roughly adjusted, then the four threaded sleeves 225 are rotated by hands, the threaded sleeves 225 drive the second support frame to lift 222, the second support frame 222 drives the printing table 1 to lift, the height of the printing table 1 is finely adjusted, and meanwhile, the printing table 1 can be leveled.

The beneficial effects of the utility model include: the utility model provides a structure is adjusted to print table of 3D printer, adjust the structure with the print table of current 3D printer, can highly carry out the accuracy adjustment to print table 1 through coarse adjustment mechanism 21 and the cooperation of fine tuning mechanism 22 to can improve the printing effect of printer.

The above detailed description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a structure is adjusted to print table of 3D printer which characterized in that includes:

a printing table;

the adjusting mechanism comprises a coarse adjusting mechanism and a fine adjusting mechanism, the coarse adjusting mechanism is used for performing coarse adjustment on the height of the printing table, the fine adjusting mechanism is arranged on the coarse adjusting mechanism, the fine adjusting mechanism is used for performing fine adjustment on the height of the printing table, and the printing table is arranged on the fine adjusting mechanism;

the rough adjusting mechanism comprises a square frame, a transmission screw rod is vertically arranged in the square frame, the upper end of the transmission screw rod is mounted at the top of the square frame through a bearing, the lower end of the transmission screw rod is connected with a driving device, the driving device is used for driving the transmission screw rod to rotate, the driving device is mounted at the bottom of the square frame, a transmission nut is connected onto the transmission screw rod in a threaded manner, the outer wall of the transmission nut is connected with one side of a lifting plate, one side of the lifting plate is also connected with the square frame in a sliding manner, and the fine adjusting mechanism is mounted at the other side of the lifting plate;

the fine adjustment mechanism comprises a first support frame and a second support frame, the first support frame is installed on one side of the lifting plate, threaded rods are installed on four corners of the bottom of the second support frame, fixing plates are installed on four corners of the top of the first support frame, through holes are formed in the fixing plates, the lower ends of the threaded rods penetrate through holes in the corresponding fixing plates and are in threaded connection with threaded sleeves, the second support frame is connected with the fixing plates through elastic pieces, and the printing table is installed at the top of the second support frame.

2. The printing table adjusting structure of the 3D printer according to claim 1, wherein the driving device is a motor.

3. The printing table adjusting structure of the 3D printer according to claim 1, wherein sliding rails are installed on two sides of the square frame along a vertical direction, sliding blocks matched with the sliding rails are installed on two ends of the other side of the lifting plate, and two ends of one side of the lifting plate are slidably connected with two sides of the square frame through the sliding rails and the sliding blocks.

4. The printing table adjusting structure of the 3D printer according to claim 1, wherein the elastic member is a spring.

5. The adjusting structure of a printing table of a 3D printer according to claim 1, wherein a reinforcing plate is installed at the joint of the first supporting frame and the lifting plate.

6. The adjustment structure of a printing table of a 3D printer according to any one of claims 1-5, characterized in that the printing table is a heating table.