CN212860472U

CN212860472U - 3D print platform levelling device

Info

Publication number: CN212860472U
Application number: CN202021096414.6U
Authority: CN
Inventors: 范林财
Original assignee: Kunshan Changyi Model Technology Co ltd
Current assignee: Kunshan Changyi Model Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-04-02
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a 3D printing platform leveling device, which comprises a base fixed at the middle part of a sliding platform, a tension spring buffer mechanism, a leveling component and a support plate, wherein the four sides of the base are symmetrically hinged with the tension spring buffer mechanism, the tension spring buffer mechanism comprises a buffer cylinder, a buffer rod, a tension spring and a hinged frame, the leveling component comprises an adjusting bolt, a sliding screw sleeve, a positioning sleeve and a limiting seat, the sliding screw sleeve is in screwed fit with the adjusting bolt, the lower end of the sliding screw sleeve is hinged with the hinged frame, the 3D printing platform leveling device utilizes the tension spring buffer mechanism to support and lift the support plate, and utilizes the screwed fit of the adjusting bolt and the hinged frame of the tension spring buffer mechanism to horizontally screw and adjust the telescopic length of the tension spring buffer mechanism, so as to slowly adjust the height of the support plate in the vertical direction in a mode of inclining the screw adjusting distance, and the, the technical aim of reducing the rigid impact on the carrier plate is achieved, and the method is simple and practical.

Description

3D print platform levelling device

Technical Field

The utility model relates to a 3D prints technical field, concretely relates to 3D print platform levelling device.

Background

The 3D printing technology is a technology for building an object by stacking and accumulating layer by using an adhesive material such as powdered metal, plastic, photosensitive resin, etc. through hot melting, spinning, or spraying for curing, based on a digital model file. Are often used to make models in the fields of industrial design, high-end manufacturing, medical devices, and the like. Among many 3D printing apparatuses, 3D printers using PLA or ABS materials have begun to be popularized, and the printing efficiency of simple products is still very high, and such 3D printers generally belong to entry level equipment, and the printing efficiency of products with not high accuracy requirements is better.

However, this kind of entry level 3D printer is usually in the process of carrying out the hot melt laying bonding forming process through the triaxial process of sliding, it needs at first to level to pile up the support plate that bears the printing product, if be certain inclination will influence printing quality and precision greatly, also cause very big puzzlement for equipment maintenance, current many solutions are mostly to utilize adjusting bolt to carry out the spiro union for the four corners of support plate, height-adjusting under the shore of extension spring, finally make the support plate keep the level, even other with the help of the supplementary mode of levelling of electron device such as position range finding sensor, moreover adjusting bolt slight rotating just can adjust great height, the regulation precision is poor, the process is very complicated, increase equipment cost. For the leveling scheme of the carrier plate, besides the adjustment of the carrier plate to the horizontal state, a certain up-down telescopic space is generally needed for the carrier plate, so as to avoid the space between the laying head and the carrier plate for stacking the first layer of printing material, and also reduce the rigid impact of the carrier plate in the high-frequency sliding process.

Disclosure of Invention

The utility model discloses the purpose: in order to solve the problems in the background art, a 3D printing platform leveling device is designed, a support plate is supported and lifted by a tension spring buffer mechanism, the adjusting bolt is matched with a hinged frame of the tension spring buffer mechanism in a threaded mode to horizontally screw and adjust the telescopic length of the tension spring buffer mechanism, the height of the support plate in the vertical direction is slowly adjusted in a mode of adjusting the distance by an inclined screw, and the tension spring buffer mechanism can provide an elastic telescopic space for the support plate in the vertical direction so as to achieve the technical aim of reducing the rigid impact on the support plate, and the device is simple and practical.

The technical scheme adopted for solving the problems is as follows:

A3D printing platform leveling device comprises a base fixed in the middle of a sliding table, a tension spring buffer mechanism, a leveling component and a support plate,

the four sides of the base are symmetrically hinged with tension spring buffer mechanisms, each tension spring buffer mechanism comprises a buffer cylinder, a buffer rod, a tension spring and a hinge frame, the tension springs are sleeved on the buffer rods and fixedly connected between the hinge frame and the buffer cylinder, the buffer rods are fixedly connected with the hinge frame and are matched with the shaft holes of the buffer cylinders to move up and down,

leveling subassembly symmetry sets up the support plate lateral wall corresponds with extension spring buffer gear position, including adjusting bolt, the swivel nut that slides, position sleeve and spacing seat, the swivel nut that slides and adjusting bolt spiro union cooperation, the swivel nut lower extreme that slides is articulated with articulated frame.

Furthermore, the upper end surface of the carrier plate is transversely and longitudinally provided with a level gauge respectively, and the level gauge is matched with the leveling component for leveling.

Furthermore, the locating sleeve is fixed on the side wall of the support plate and used for locating and guiding the adjusting bolt.

Furthermore, the limiting seat is arranged inside the carrier plate and is matched with a shaft hole at the head part of the thread section of the adjusting bolt, and the limiting seat is matched with a T-shaped sliding groove arranged on the side wall of the carrier plate and is embedded into the T-shaped groove, so that the adjusting bolt is fixed relative to the position of the carrier plate during rotation, the sliding screw sleeve drives the hinge frame to displace, the telescopic length of the tension spring buffer mechanism is changed, and the horizontal angle of the carrier plate is adjusted.

The utility model has the advantages that:

this 3D print platform levelling device utilizes extension spring buffer gear to lift up the support plate bearing to utilize adjusting bolt and extension spring buffer gear's articulated frame spiro union cooperation to implement the flexible length of the regulation extension spring buffer gear of horizontally screwing, with the mode of slope spiral adjustment distance, slowly adjust the height of support plate in vertical direction, and extension spring buffer gear can give the flexible space of the elasticity of the vertical direction of support plate, receive the technological target of rigid impact in order to reach the reduction support plate, simple and practical.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic structural diagram of a 3D printing platform leveling device according to this embodiment;

fig. 2 is a top view of the 3D printing platform leveling device according to the present embodiment;

the device comprises an adjusting bolt 1, a T-shaped sliding block 2, a limiting seat 3, a support plate 4, a hinge frame 5, a tension spring 6, a buffer cylinder 7, a sliding table 8, a base 9, a thread section 10, a sliding threaded sleeve 11, a positioning sleeve 12 and a level gauge 13.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-2, the present embodiment provides a leveling device for a 3D printing platform, which includes a base 9 fixed in the middle of a sliding table 8, a tension spring buffer mechanism, a leveling component, and a support plate 4.

Specifically, the four sides of the base 9 are symmetrically hinged with a tension spring buffering mechanism, the tension spring buffering mechanism comprises a buffering cylinder 7, a buffering rod, a tension spring 6 and a hinge frame 5, the tension spring 6 is sleeved on the buffering rod and fixedly connected between the hinge frame 5 and the buffering cylinder 7, the buffering rod is fixedly connected with the hinge frame 5 and is matched with the shaft hole of the buffering cylinder 7 to move up and down, the leveling component is symmetrically arranged on the side wall of the support plate 4 and corresponds to the position of the tension spring buffering mechanism and comprises an adjusting bolt 1, a sliding threaded sleeve 11, a positioning sleeve 12 and a limiting seat 3, the upper end of the sliding threaded sleeve 11 is provided with a T-shaped sliding block 2, the T-shaped sliding block 2 is in threaded fit with the adjusting bolt 1, the lower end of the sliding threaded sleeve 11 is hinged with the hinge frame 5, the positioning sleeve 12 is fixed on the side wall of the support plate 4 and used for positioning and guiding the adjusting bolt 1, the limiting seat 3, the limiting seat 3 is matched with a T-shaped sliding groove arranged on the side wall of the support plate 4 to be embedded into the T-shaped groove, so that the position of the adjusting bolt 1 is fixed relative to the support plate 4 when rotating, the sliding screw sleeve 11 drives the hinge frame 5 to displace, the telescopic length of the tension spring buffer mechanism is changed, and the horizontal angle of the support plate 4 is adjusted.

In a further embodiment, the upper end surface of the carrier plate 4 is provided with a level gauge 13 in the horizontal direction and the vertical direction respectively, and the level gauge is matched with a leveling component for leveling.

The working process is as follows: firstly, after four groups of tension spring buffer mechanisms are hinged with a base, a hinge frame is hinged with a sliding threaded sleeve, when a product needs to be printed, T-shaped sliding grooves on four sides of a support plate are sequentially matched with a T-shaped sliding block on the upper end of the sliding threaded sleeve, so that the sliding threaded sleeve slides inwards, an adjusting bolt is matched with a positioning sleeve shaft hole, is in threaded connection with the T-shaped sliding block and is matched with a limit seat preset in the T-shaped sliding groove of the support plate, the adjusting bolt is rotated to enable tension springs to be deformed, the tension spring buffer mechanisms in symmetrical positions are subjected to force balance deformation change, the sliding threaded sleeve is pulled to incline, and the support plate can be leveled by matching with a level meter.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a 3D print platform levelling device, is including fixing base, extension spring buffer gear, leveling subassembly and the support plate at the platform middle part that slides, its characterized in that:

2. The 3D printing platform leveling device according to claim 1, wherein: the upper end surface of the carrier plate is transversely and longitudinally provided with gradienters respectively, and the gradienters are matched with the leveling component for leveling.

3. The 3D printing platform leveling device according to claim 1, wherein: the positioning sleeve is fixed on the side wall of the support plate and used for positioning and guiding the adjusting bolt.

4. The 3D printing platform leveling device according to claim 1, wherein: the limiting seat is arranged inside the support plate and is matched with a shaft hole at the head part of the thread section of the adjusting bolt, the limiting seat is matched with a T-shaped chute arranged on the side wall of the support plate to be embedded into the T-shaped groove, so that the adjusting bolt is fixed relative to the position of the support plate when rotating, the sliding screw sleeve drives the hinge frame to displace, the telescopic length of the tension spring buffer mechanism is changed, and the horizontal angle of the support plate is adjusted.