Inhaul cable type lifting forming cylinder and 3D printer

Abstract

The utility model discloses an inhaul cable type lifting forming cylinder and a 3D printer, the inhaul cable type lifting forming cylinder comprises a forming cylinder frame body, a printer plate, a power component, a sliding plate component, a pulling plate and a plurality of groups of pulley blocks, the sliding plate component and the pulling plate are respectively connected to the outer side of the forming cylinder frame body in a sliding mode; pulleys of the pulley block are connected to the top of the forming cylinder frame and the pulling plate respectively, the power component is connected with the pulling plate, the free end of a pulling rope of the pulley block is connected with the sliding plate component, a lifting hole is formed in the forming cylinder frame, and the sliding plate component extends into the lifting hole to be connected with the printer plate. The 3D printer comprises the inhaul cable type lifting forming cylinder. The forming cylinder has the beneficial effects that the height required by printing a finished product can be realized by reducing the extension length required by the power component, so that the overall height of the forming cylinder is reduced, and the overall size of the printer is reduced. The size of the 3D printer is small.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printer structures, and in particular to a cable-type lifting molding cylinder and a 3D printer. Background Art

[0002] Selective laser melting metal 3D printing technology is the process of melting layers of metal powder to obtain formed parts.

[0003] At present, in the process of 3D printing, each time a layer is melted, the melting platform descends, and new powder is spread over this layer to repeat the above melting process, and the formed part is obtained by repeating this process. The existing forming cylinder printer plate is lifted and lowered by several cylinders. The larger the stroke required by the printer plate, the larger the cylinder model, resulting in a high height of the forming cylinder, which occupies a large space of the 3D printer. Summary of the invention

[0004] The first purpose of the utility model is to provide a cable-type lifting molding cylinder and a 3D printer, in which a power component drives the pull plate to move, and the stroke of the power component is multiplied under the action of the pulley group, thereby amplifying the stroke of the printer plate connected to the pull plate, reducing the required extension length of the power component, and also achieving the required height of the finished product to be printed, thereby reducing the overall height of the molding cylinder. The second purpose of the utility model is to provide a 3D printer with a small overall volume.

[0005] In order to achieve the above-mentioned first purpose, the utility model adopts the following technical solution.

[0006] A cable-type lifting molding cylinder comprises a molding cylinder frame, a printer plate, a power component, a slide plate component, a pull plate and an array of pulley groups, wherein the slide plate component and the pull plate are respectively slidably connected to the outside of the molding cylinder frame, the pulleys of the pulley group are respectively connected to the top of the molding cylinder frame and the pull plate, the power component is connected to the pull plate, the free end of the pull rope of the pulley group is connected to the slide plate component, a lifting hole is formed on the molding cylinder frame, and the slide plate component extends into the lifting hole and is connected to the printer plate.

[0007] The utility model adopts the above technical scheme, by slidingly connecting the slide plate component to the outside of the forming cylinder frame, and connecting the pulleys of the pulley group to the top of the forming cylinder frame and the pull plate respectively, and also connecting the free end of the pull rope of the pulley group to the slide plate component, so as to facilitate the slide plate component to be driven up and down by the pulley group, and also connecting the power component to the pull plate, and the slide plate component extends into the lifting hole on the forming cylinder frame and is connected to the printer plate, so as to facilitate the pull plate to be driven to move by the power component, and the stroke of the power component is multiplied under the action of the pulley group, and then the stroke of the printer plate connected to the pull plate is magnified, and the required extension length of the power component is reduced, and the required height for printing the finished product can be achieved, thereby reducing the overall height of the forming cylinder and reducing the overall volume of the printer.

[0008] Preferably, it also includes a bracket, which includes two brackets, the two brackets are respectively connected to the two sides of the forming cylinder frame, the pulleys of the pulley group are installed on the top of the corresponding bracket, and the slide plate component and the pull plate are respectively slidably connected to the bracket.

[0009] In this way, by setting up two brackets and connecting the two brackets to the two sides of the forming cylinder frame respectively, and installing the pulley of the pulley group on the top of the corresponding bracket, the slide plate component and the pull plate are respectively slidably connected to the bracket, which makes it convenient to drive the slide plate component and the pull plate to slide along the bracket through the pulley group.

[0010] Preferably, the height of the bracket is the same as the height of the forming cylinder frame.

[0011] In this way, the height of the bracket is set to be the same as the height of the molding cylinder frame, so as to increase the movable stroke of the slide plate component as much as possible and to reduce the height of the molding cylinder as much as possible.

[0012] Preferably, guide rails are vertically installed on both sides of the bracket, and the guide rails are slidably connected to the slide plate component and the pull plate.

[0013] In this way, by vertically installing guide rails on both sides of the bracket, which are slidably connected to the slide plate component and the pull plate respectively, the movement trajectory of the slide plate component and the pull plate can be guided and limited by the guide rails.

[0014] Preferably, the slide plate component includes a bottom plate and a side plate, the side plates include two, the side plates are connected to both ends of the bottom plate, the free ends of the pulley ropes are installed at both ends of the bottom plate, and the printer board is connected to the upper end of the bottom plate.

[0015] In this way, by installing the free ends of the pulley ropes of the pulley block on the two ends of the bottom plate and connecting the printer plate to the upper end of the bottom plate, the pulley block can be used to drive the slide plate component to move, thereby driving the printer plate to move synchronously.

[0016] Preferably, sliding blocks are formed at both ends of the side panels, and the sliding blocks are slidably connected to the guide rails.

[0017] In this way, by arranging sliders on both sides of the slide plate component, it is convenient to achieve sliding connection through the cooperation between the sliders and the slide rails.

[0018] Preferably, the power component includes two motors, the output shafts of the two motors are respectively connected to two screw nut pairs, the two motors are respectively connected to the bottom of the corresponding brackets, and the nuts of the screw nut pairs are fixedly connected to the pull plate.

[0019] In this way, by providing a motor, it is convenient to drive the pull plate to move up and down through the motor, thereby driving the pulley block to enlarge the stroke of the printer plate.

[0020] Preferably, it also includes a copper belt sealing structure, which connects the forming cylinder frame and the slide plate component in a sliding and sealing manner.

[0021] In this way, by providing a copper belt sealing structure and connecting the molding cylinder frame and the slide plate component in a sliding and sealing manner through the copper belt sealing structure, powder leakage from the lifting hole of the molding cylinder frame during printing can be prevented.

[0022] In order to achieve the above-mentioned purpose, an embodiment of the utility model further provides a 3D printer, including the above-mentioned cable-type lifting molding cylinder.

[0023] Preferably, sliders are formed on both sides of the pull plate, and the sliders are slidably connected to the guide rails.

[0024] In this way, by arranging sliders on both sides of the pull plate, it is convenient to cooperate with the slide rails to achieve sliding connection.

[0025] The beneficial effect of the utility model is that the slide plate component is slidably connected to the outside of the molding cylinder frame, and the pulleys of the pulley group are respectively connected to the top of the molding cylinder frame and the pull plate, and the free end of the pull rope of the pulley group is connected to the slide plate component, so that the slide plate component is driven up and down by the pulley group, and the power component is connected to the pull plate, and the slide plate component is extended into the lifting hole on the molding cylinder frame and connected to the printer plate, so that the pull plate is driven to move by the power component, and the stroke of the power component is multiplied under the action of the pulley group, and then the stroke of the printer plate connected to the pull plate is magnified, and the required extension length of the power component is reduced, and the required height of the finished product can be achieved, thereby reducing the overall height of the molding cylinder and the overall volume of the printer. By setting a copper belt sealing structure, and sliding and sealing the molding cylinder frame with the slide plate component through the copper belt sealing structure, powder leakage from the lifting hole of the molding cylinder frame during printing is prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1It is a structural diagram of the utility model;

[0027] Figure 2 This is a structural diagram of the utility model after removing the forming cylinder frame;

[0028] Figure 3 This is a structural diagram of the forming cylinder frame of the utility model;

[0029] Figure 4 It is a structural diagram of a slide plate component of the utility model. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited to the scope of the embodiments described.

[0031] The figure marks in the drawings of the specification include: forming cylinder frame 1, lifting hole 11, pulley block 2, pull plate 21, slider 211, slide plate component 22, bottom plate 222, side plate 223, guide rail 23, bracket 24, motor 3, copper belt sealing structure 4, printer board 5.

[0032] The words "first", "second" and similar words used in the embodiments of the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "one", "an" or "the" and similar words do not indicate a quantity limitation, but rather indicate the presence of at least one. Similarly, words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections or communication connections, whether direct or indirect.

[0033] Example 1, see Figures 1 to 4 A cable-type lifting molding cylinder comprises a molding cylinder frame 1, a printer plate 5, a power component, a slide member 22, a pull plate 21 and an array of pulley blocks 2, wherein the slide member 22 and the pull plate 21 are respectively slidably connected to the outside of the molding cylinder frame 1, the pulleys of the pulley block 2 are respectively connected to the top of the molding cylinder frame 1 and the pull plate 21, the power component is connected to the pull plate 21, the free end of the pull rope of the pulley block 2 is connected to the slide member 22, a lifting hole 11 is formed on the molding cylinder frame 1, and the slide member 22 extends into the lifting hole 11 and is connected to the printer plate 5.

[0034] See also Figure 1 and Figure 2, and further includes a bracket 24, wherein the bracket 24 includes two, the two brackets 24 are respectively connected to the two sides of the forming cylinder frame 1, the pulleys of the pulley block 2 are installed on the top of the corresponding brackets 24, and the slide plate member 22 and the pull plate 21 are respectively slidably connected to the brackets 24. In this way, by providing two brackets 24, and connecting the two brackets 24 to the two sides of the forming cylinder frame 1 respectively, and installing the pulleys of the pulley block 2 on the top of the corresponding brackets 24, the slide plate member 22 and the pull plate 21 are respectively slidably connected to the brackets 24, so that the slide plate member 22 and the pull plate 21 can be driven to slide along the brackets 24 by the pulley block 2.

[0035] See also Figure 1 , the height of the bracket 24 is the same as the height of the molding cylinder frame 1. In this way, the height of the bracket 24 is set to be the same as the height of the molding cylinder frame 1, which is convenient for increasing the movable stroke of the slide member 22 as much as possible and for reducing the height of the molding cylinder as much as possible.

[0036] See also Figure 1 and Figure 2 , guide rails 23 are vertically installed on both sides of the bracket 24, and the guide rails 23 are slidably connected to the slide member 22 and the pull plate 21. In this way, by vertically installing the guide rails 23 slidably connected to the slide member 22 and the pull plate 21 on both sides of the bracket 24, the movement trajectory of the slide member 22 and the pull plate 21 can be guided and limited by the guide rails 23.

[0037] See also Figure 2 and Figure 4 The slide plate member 22 includes a bottom plate 222 and a side plate 223, and the side plate 223 includes two. The slide plate member 22 includes a bottom plate 222 and a side plate 223, and the side plate 223 includes two. The side plates 223 are connected to both ends of the bottom plate 222. The free ends of the pulleys 2 are installed at both ends of the bottom plate 222. The printer board 5 is connected to the upper end of the bottom plate 222. In this way, by installing the free ends of the pulleys 2 on both sides 223 of the bottom plate and connecting the printer board 5 to the upper end of the bottom plate 222, it is convenient to drive the slide plate member 22 to move through the pulleys 2, and then drive the printer board 5 to move synchronously.

[0038] See also Figure 1 and Figure 2 The two ends of the side plate 223 are formed with sliders 211, and the sliders 211 are slidably connected with the guide rails 23. In this way, by providing the sliders 211 at both ends of the slide member 22, it is convenient to cooperate with the slide rails through the sliders 211 to achieve sliding connection.

[0039] See also Figure 1 and Figure 2The power component includes two motors 3, the output shafts of the two motors 3 are respectively connected to two lead screw nut pairs, the two motors 3 are respectively connected to the bottom of the corresponding bracket 24, and the nuts of the lead screw nut pairs are fixedly connected to the pull plate 21. In this way, by setting the motor 3, it is convenient to drive the pull plate 21 to move up and down through the motor 3, thereby driving the pulley block 2 to enlarge the stroke of the printer plate 5.

[0040] See also Figure 1 and Figure 3 , and further includes a copper belt sealing structure 4, which slides and seals the forming cylinder frame 1 with the slide member 22. In this way, by setting the copper belt sealing structure 4, since the copper belt sealing structure 4 belongs to the prior art, this solution will not be repeated, and the forming cylinder frame 1 and the slide member 22 are slidably and sealably connected by the copper belt sealing structure 4, powder leakage from the lifting hole 11 of the forming cylinder frame 1 during printing is prevented.

[0041] Preferably, sliders 211 are formed on both sides of the pull plate 21, and the sliders 211 are slidably connected with the guide rails 23. In this way, by providing sliders 211 on both sides of the pull plate 21, it is convenient to cooperate with the slide rails 23 through the sliders 211 to achieve sliding connection.

[0042] Embodiment 2, a 3D printer, comprises the above-mentioned cable-type lifting molding cylinder.

[0043] During operation, after a layer of metal powder is melt-printed, the pull plate 21 is moved up according to the set distance by starting the motor 3, and then the upward movement of the pull plate 21 is enlarged by the pulley group 2, so that the printer plate 5 moves down to the required height, and then powder spreading and melt printing are carried out, and this cycle is repeated to complete the printing of the product.

[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cable-type lifting forming cylinder, characterized in that: The invention comprises a molding cylinder frame (1), a printer plate (5), a power component, a slide plate component (22), a pull plate (21) and an array of pulley blocks (2); the slide plate component (22) and the pull plate (21) are respectively slidably connected to the outside of the molding cylinder frame (1); the pulleys of the pulley block (2) are respectively connected to the top of the molding cylinder frame (1) and the pull plate (21); the power component is connected to the pull plate (21); the free end of the pull rope of the pulley block (2) is connected to the slide plate component (22); a lifting hole (11) is formed on the molding cylinder frame (1); the slide plate component (22) extends into the lifting hole (11) and is connected to the printer plate (5).

2. The cable-type lifting forming cylinder according to claim 1 is characterized in that: It also includes a bracket (24), which includes two brackets (24), and the two brackets (24) are respectively connected to the two sides of the forming cylinder frame (1), the pulleys of the pulley group (2) are installed on the top of the corresponding bracket (24), and the slide plate component (22) and the pull plate (21) are respectively slidably connected to the bracket (24).

3. The cable-type lifting forming cylinder according to claim 2 is characterized in that: The height of the bracket (24) is the same as the height of the forming cylinder frame (1).

4. The cable-type lifting and lowering forming cylinder according to claim 2 is characterized in that: Guide rails (23) are vertically installed on both sides of the bracket (24), and the guide rails (23) are slidably connected to the slide plate component (22) and the pull plate (21) respectively.

5. The cable-type lifting and lowering forming cylinder according to claim 1 is characterized in that: The slide plate component (22) comprises a bottom plate (222) and a side plate (223), wherein the side plate (223) comprises two, the side plates (223) are connected to both ends of the bottom plate (222), the free ends of the pulley ropes of the pulley block (2) are mounted at both ends of the bottom plate (222), and the printer board (5) is connected to the upper end of the bottom plate (222).

6. The cable-type lifting and lowering forming cylinder according to claim 5 is characterized in that: Slide blocks (211) are formed at both ends of the side plate (223), and the slide blocks (211) are slidably connected to the guide rails (23).

7. The cable-type lifting forming cylinder according to any one of claims 1 to 6, characterized in that: The power component comprises two motors (3), the output shafts of the two motors (3) are respectively connected to two screw nut pairs, the two motors (3) are respectively connected to the bottom of the corresponding bracket (24), and the nuts of the screw nut pairs are fixedly connected to the pull plate (21).

8. The cable-type lifting forming cylinder according to any one of claims 1 to 6, characterized in that: It also comprises a copper belt sealing structure (4), wherein the copper belt sealing structure (4) connects the forming cylinder frame (1) and the slide plate component (22) in a sliding and sealing manner.

9. The cable-type lifting and lowering forming cylinder according to any one of claims 1 to 6, characterized in that: Slide blocks (211) are formed on both sides of the pull plate (21), and the slide blocks (211) are slidably connected to the guide rails (23).

10. A 3D printer, characterized in that: It comprises the cable-type lifting forming cylinder as described in any one of claims 1 to 9.

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