Z-axis module for 3d printer

Abstract

The utility model discloses a Z-axis module for a 3d printer, and relates to the technical field of 3d printers, the Z-axis module comprises a Z-axis plate, the top of the Z-axis plate is fixedly connected with a connection block, one side of the Z-axis plate is fixedly provided with a guide raised line, the lower surface of the connection block is fixedly connected with a telescopic assembly, and the telescopic assembly is fixedly connected with a guide raised line. The telescopic assembly comprises a positioning frame, a first movable frame, a second movable frame and a third movable frame, the telescopic assembly is arranged to be in butt joint with the Z-axis plate, in the actual use process, the speed reduction motor pulls the first movable frame to move upwards through transmission stretching, the height of the Z-axis plate can be directly changed, and the Z-axis plate can be conveniently and rapidly connected. Therefore, limitation in the Z-axis direction is relieved, it is guaranteed that the 3D printer can adapt to various workpieces with different heights, the purpose of expanding the application range is achieved, and the first movable frame is arranged in the positioning frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3d printer technical field especially relates to a 3d printer Z axis module. BACKGROUND

[0002] Z axis module is the key component of 3D printer responsible for controlling the motion of print head or printing platform in the vertical direction (Z axis), its main role is to realize the stacking of printing layer, thereby constructing three-dimensional object.

[0003] Such as the full color 3D printer of disclosure No. CN205310839U discloses a kind of, including support platform, X axis guide rail, Y axis guide rail, Z axis guide rail, printing platform, lifting platform, drive screw, printing nozzle, light curing device, support plate, first trough, second trough, third trough, fourth trough, feeding conduit, UV lamp, light quantity adjusting device, several micro nozzles, several longitudinal baffle, horizontal baffle.

[0004] But in prior art, the Z axis of printer is fixed in length during use, which limits the moving distance of slider in Z axis direction, resulting in that 3D printer cannot process some larger workpieces, and the processing range of 3D printer is limited, and the stability of traditional telescopic mechanism cannot be effectively guaranteed during telescopic process, and it is prone to shaking or direction deviation, and after long time use, rod body is prone to bending, which directly affects the normal use of 3D printer. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the problem of prior art that the Z axis of printer is fixed in length during use, which limits the moving distance of slider in Z axis direction, resulting in that 3D printer cannot process some larger workpieces, and the processing range of 3D printer is limited, and proposes a kind of Z axis module for 3d printer.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of Z axis module for 3d printer, including Z axis plate, the top of Z axis plate is fixedly connected with link block, the side of Z axis plate is fixedly installed with guide convex strip, the lower surface of link block is fixedly connected with telescopic component;

[0007] The telescopic assembly comprises a positioning frame, a first movable frame, a second movable frame and a third movable frame, the first movable frame is slidably connected in the interior of the positioning frame, the second movable frame is slidably connected in the interior of the first movable frame, the third movable frame is slidably connected in the interior of the second movable frame, the bottom of the positioning frame is fixedly connected with a bottom plate, the upper surface of the bottom plate is fixedly installed with a speed reducer motor, the output end of the speed reducer motor is fixedly connected with a winding disc, the outer wall of the winding disc is fixedly connected with a transmission rope, one end of the transmission rope is fixedly connected to the inner wall of the first movable frame, and the side surface of the first movable frame, the side surface of the second movable frame and the side surface of the third movable frame are all provided with notches.

[0008] Preferably, the top of the positioning frame, the first movable frame and the second movable frame are all fixedly installed with positioning supports, and both ends of the positioning support are rotatably installed with a fixed pulley.

[0009] Preferably, the transmission rope is lapped on the fixed pulley at the top of the positioning frame.

[0010] Preferably, the inner wall of the second movable frame is fixedly connected with a first driven rope, and one end of the first driven rope is fixedly connected to the positioning support at the top of the positioning frame.

[0011] Preferably, the first driven rope is lapped on the fixed pulley at the top of the first movable frame.

[0012] Preferably, the inner wall of the third movable frame is fixedly connected with a second driven rope, and one end of the second driven rope is fixedly connected to the positioning support at the top of the second movable frame.

[0013] Preferably, the second driven rope is lapped on the fixed pulley at the top of the second movable frame, and the third movable frame is provided with an arc-shaped groove at the intersection with the first driven rope.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that:

[0015] 1、In the utility model, the telescopic assembly is arranged to connect the Z-axis plate, in the actual use process, the speed reducer motor drives the first movable frame to move upward through the transmission, the height of the Z-axis plate can be directly changed, so as to remove the restriction in the Z-axis direction, ensure that the 3D printer can adapt to workpieces of various heights, and the purpose of expanding the application range is achieved, and the first movable frame is arranged in the interior of the positioning frame, in the moving process, the stability and moving route are limited, and the problems of shaking and deviation can be completely avoided.

[0016] 2. The utility model discloses, through setting up first driven rope on the second movable frame, set up second driven rope on the third movable frame, when the first movable frame moves, second movable frame and third movable frame will move together, by this to promote the length of single telescopic, accelerate the speed of length adjustment, reach the purpose of saving time. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic diagram of the Z-axis module for the 3D printer is provided for the utility model;

[0018] Figure 2 A front view of the Z-axis module for the 3D printer is provided for the utility model;

[0019] Figure 3 A first movable frame, a second movable frame and a third movable frame three-dimensional structure schematic diagram of the Z-axis module for the 3D printer is provided for the utility model;

[0020] Figure 4 A third movable frame and Z-axis plate three-dimensional structure schematic diagram of the Z-axis module for the 3D printer is provided for the utility model.

[0021] Legend: 1, bottom plate; 2, telescopic component; 3, link block; 4, Z-axis plate; 5, guide convex strip; 21, positioning frame; 22, first movable frame; 23, speed reducer motor; 24, winding disc; 25, transmission rope; 26, positioning support; 27, fixed pulley; 28, first driven rope; 29, second driven rope; 210, second movable frame; 211, third movable frame; 212, notch; 213, arc slot. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below in conjunction with the drawings and examples. It should be explained that, in the case of no conflict, the embodiment of the application and the features in the example can be combined with each other.

[0023] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0024] Example one: as Figure 1 , Figure 2 , Figure 3 And Figure 4The utility model provides a Z axis module for 3d printer, including Z axis board 4, the top fixedly connected with the link block 3 of Z axis board 4, the one side fixed mounting of Z axis board 4 has the guide convex strip 5, the lower surface fixedly connected with the telescopic component 2 of link block 3,

[0025] Telescopic component 2 includes positioning frame 21, first movable frame 22, second movable frame 210 and third movable frame 211, first movable frame 22 is slidably connected in the inside of positioning frame 21, second movable frame 210 is slidably connected in the inside of first movable frame 22, third movable frame 211 is slidably connected in the inside of second movable frame 210, the bottom fixedly connected with bottom plate 1 of positioning frame 21, the upper surface fixed mounting of bottom plate 1 has speed reducer 23, the output fixedly connected with winding disc 24 of speed reducer 23, the outer wall fixedly connected with transmission rope 25 of winding disc 24, one end fixedly connected with transmission rope 25 on the inner wall of first movable frame 22, the side of first movable frame 22, the side of second movable frame 210 and the side of third movable frame 211 all are seted up with the notch 212 of second movable frame 210, the top of positioning frame 21, first movable frame 22 and second movable frame 210 all are fixedly installed with the locating bracket 26, both ends of locating bracket 26 are rotatably installed with fixed pulley 27, transmission rope 25 is lapped on the fixed pulley 27 of the top of positioning frame 21.

[0026] The specific settings and effects of the embodiment will be described below, Z axis board 4 is fixedly connected between link block 3 and the top third movable frame 211 of telescopic component 2, in the process of actual use, the bottom fixedly connected with bottom plate 1 is on the Y axis of 3D printer, the sliding block for printing is slidably connected on the guide convex strip 5 of the side of Z axis board 4, when using, the sliding block moves up and down along the direction of guide convex strip 5, if the height of workpiece is too high, telescopic component 2 is used immediately to change the height of Z axis board 4;

[0027] Speed reducer 23 drives winding disc 24, and transmission rope 25 is wound on winding disc 24, in the process of winding transmission rope 25, because its length is fixed, first movable frame 22 is pulled, and positioning frame 21 limits the movement route of first movable frame 22, the fixed pulley 27 in locating bracket 26 is arranged on the top of positioning frame 21, the position of transmission rope 25 is determined by fixed pulley 27, which ensures that it can normally drive first movable frame 22, the height of Z axis board 4 is also increased by the height of first movable frame 22, the purpose of adjusting the height of Z axis board 4 is achieved, and the notch 212 is used to accommodate locating bracket 26 and the fixed pulley 27 in it.

[0028] Embodiment two: as Figure 2 , Figure 3 and Figure 4As shown, the inner wall of the second movable frame 210 is fixedly connected with a first driven rope 28, one end of the first driven rope 28 is fixedly connected to the positioning bracket 26 on the top of the positioning frame 21, the first driven rope 28 is lapped on the fixed pulley 27 on the top of the first movable frame 22, the inner wall of the third movable frame 211 is fixedly connected with a second driven rope 29, one end of the second driven rope 29 is fixedly connected to the positioning bracket 26 on the top of the second movable frame 210, the second driven rope 29 is lapped on the fixed pulley 27 on the top of the second movable frame 210, and the third movable frame 211 is provided with an arc-shaped slot 213 at the intersection with the first driven rope 28.

[0029] The whole embodiment achieves the effect that one end of the first driven rope 28 is fixedly connected with the second movable frame 210, the other end is fixedly connected between the positioning bracket 26 on the top of the positioning frame 21, and the whole is lapped on the fixed pulley 27 on the top of the positioning frame 21, one end of the second driven rope 29 is fixedly connected with the third movable frame 211, the other end is fixedly connected between the positioning bracket 26 on the top of the first movable frame 22, and the whole is lapped on the fixed pulley 27 on the top of the first movable frame 22, when the first movable frame 22 moves, the first driven rope 28 is pushed by the fixed pulley 27 on the top of the first movable frame 22 to achieve the purpose of pulling the second movable frame 210, and in the process of moving the second movable frame 210, the second driven rope 29 is pushed by the fixed pulley 27 on the top of the second movable frame 210 to achieve the purpose of pulling the third movable frame 211, thereby forcing the second movable frame 210 and the third movable frame 211 to move upward with the first movable frame 22, so as to increase the length of single extension, and by increasing the speed of length adjustment, the purpose of saving time is achieved.

[0030] The use method and working principle of the device are as follows: the bottom of the bottom plate 1 is fixedly connected to the Y axis of the 3D printer, the sliding block for printing is slidingly connected to the guide convex strip 5 on the side of the Z axis plate 4, in use, the sliding block moves up and down along the direction of the guide convex strip 5, if the height of the workpiece is too high, the height of the Z axis plate 4 is immediately changed by using the telescopic assembly 2;

[0031] The deceleration motor 23 drives the winding disc 24 to wind the transmission rope 25 on the winding disc 24, and in the winding process of the transmission rope 25, since the length of the transmission rope 25 is fixed, the first movable frame 22 is pulled, and the positioning frame 21 limits the moving route of the first movable frame 22; when the first movable frame 22 moves upwards, the first driven rope 28 is pushed through the fixed pulley 27 on the top of the first movable frame 22, so as to pull the second movable frame 210; in the moving process of the second movable frame 210, the second driven rope 29 is also pushed through the fixed pulley 27 on the top of the second movable frame 210, so as to pull the third movable frame 211, thereby forcing the second movable frame 210 and the third movable frame 211 to move upwards with the first movable frame 22.

[0032] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still falls within the protection scope of the present application.

Claims

1. A Z-axis module for a 3D printer, comprising a Z-axis plate (4), characterized in that: The top of the Z-axis plate (4) is fixedly connected to a connecting block (3), a guide convex strip (5) is fixedly installed on one side of the Z-axis plate (4), and the lower surface of the connecting block (3) is fixedly connected to a telescopic component (2); The telescopic assembly (2) includes a positioning frame (21), a first movable frame (22), a second movable frame (210) and a third movable frame (211), wherein the first movable frame (22) is slidably connected to the interior of the positioning frame (21), the second movable frame (210) is slidably connected to the interior of the first movable frame (22), and the third movable frame (211) is slidably connected to the interior of the second movable frame (210). The bottom of the positioning frame (21) is fixedly connected to a base plate (1), and a reduction motor (23) is fixedly installed on the upper surface of the base plate (1). The output end of the reduction motor (23) is fixedly connected to a winding disk (24), and a transmission rope (25) is fixedly connected to the outer wall of the winding disk (24). One end of the transmission rope (25) is fixedly connected to the inner wall of the first movable frame (22). The side surfaces of the first movable frame (22), the second movable frame (210) and the third movable frame (211) are all provided with notches (212).

2. A Z-axis module for a 3D printer according to claim 1, characterized in that: Positioning brackets (26) are fixedly mounted on the tops of the positioning frame (21), the first movable frame (22), and the second movable frame (210), and fixed pulleys (27) are rotatably mounted on both ends of the positioning brackets (26).

3. A Z-axis module for a 3D printer according to claim 2, characterized in that: The transmission rope (25) is connected to the fixed pulley (27) at the top of the positioning frame (21).

4. A Z-axis module for a 3D printer according to claim 1, characterized in that: A first driven rope (28) is fixedly connected to the inner wall of the second movable frame (210), and one end of the first driven rope (28) is fixedly connected to the positioning bracket (26) at the top of the positioning frame (21).

5. A Z-axis module for a 3D printer according to claim 4, characterized in that: The first driven rope (28) is connected to the fixed pulley (27) at the top of the first movable frame (22).

6. The Z-axis module for a 3D printer according to claim 1, characterized in that: A second driven rope (29) is fixedly connected to the inner wall of the third movable frame (211), and one end of the second driven rope (29) is fixedly connected to the positioning bracket (26) at the top of the second movable frame (210).

7. A Z-axis module for a 3D printer according to claim 6, characterized in that: The second driven rope (29) is connected to the fixed pulley (27) at the top of the second movable frame (210), and an arc groove (213) is provided at the intersection of the third movable frame (211) and the first driven rope (28).

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