A heavy-load multi-stage printing cylinder and 3D printer
By using heavy-load multi-stage printing cylinders in 3D printers and using slidably connected frame structures and power members to control the cylinder height, the problem of excessive load on the lifting mechanism when printing large heavy-load products is solved, and a higher quality printed product is achieved.
Patent Information
- Application Number
- CN202421413181.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-19
AI Technical Summary
When existing 3D printers print large heavy-load products, the load on the lifting mechanism to move the printing substrate is too large, which affects the substrate balance and accurate control of the printing space, resulting in poor quality of the finished product.
A heavy-load multi-stage printing cylinder is adopted. By slidably connecting the cylinder blocks into two or two frames, and making the multiple frames foldable, the power member drives the top frame to move up and down, and controls the printing space between the top of the cylinder block and the printing substrate, instead of moving the printing substrate, reducing the load of the lifting mechanism.
It realizes that when printing large heavy-load products, reduce the load of the lifting mechanism, maintain the balance of the printing substrate, accurately reserve printing space, and improve the quality of the finished product.
Smart Images
Figure CN222697923U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of 3D printer structures, and in particular to a heavy-load multi-stage printing cylinder and a 3D printer. Background Art
[0002] At present, the printing cylinder of 3D printers adopts an integral structure. During printing, the printing base plate connected to the printing cylinder is lifted and lowered to control the printing space formed between the printing base plate and the top of the cylinder body. During printing, the printed product is formed on the printing base plate. However, when printing large and heavy-loaded products, the load of the lifting mechanism moving the printing base plate becomes larger and larger during the product forming process, affecting the balance of the printing base plate, and the lifting position cannot be accurately controlled, affecting the quality of the printed product. Summary of the invention
[0003] The purpose of the utility model is to provide a heavy-load multi-stage printing cylinder and a 3D printer, which control the printing space by lifting the cylinder body instead of lifting the printing substrate, reduce the load of the lifting mechanism, keep the printing substrate balanced, accurately reserve the printing space, and ensure the quality of the printed product.
[0004] To achieve the above purpose, the utility model adopts the following technical solutions.
[0005] A heavy-loaded multi-stage printing cylinder comprises a bottom plate, a printing substrate, a power component connected to the bottom plate and a cylinder body, wherein the cylinder body is composed of a plurality of frames connected together, and the cylinder body can be extended and retracted along its height direction, the printing substrate is connected to the top of the bottom frame constituting the cylinder body, the output end of the power component is connected to the top frame constituting the cylinder body, and a stop component is arranged on the outside of the frame.
[0006] The utility model adopting the above technical solution, by making the cylinder body composed of multiple frames connected slidably in pairs, and making the multiple frames foldable on the bottom frame, the cylinder body can be folded or unfolded, and the output end of the power component is connected to the frame constituting the top of the cylinder body, so that when printing products, the frame at the top is driven up and down by the power component, thereby controlling the printing space between the top of the cylinder body and the printing substrate connected to the top of the frame constituting the bottom of the cylinder body, instead of moving the printing substrate to control the printing space between the top of the cylinder body and the printing substrate, reducing the load of the lifting mechanism, keeping the printing substrate balanced, accurately reserving the printing space, and ensuring the quality of the printed product. A stopper component is provided on the outside of the frame, so that the folding limit of the frame can be limited by the stopper component.
[0007] As a preferred solution of the present invention, the plurality of frames include a first frame, a second frame and a third frame connected in sequence, and the first frame is connected to the bottom plate.
[0008] In this way, by connecting the first frame to the bottom plate, the bottom plate can be used to support the printing frame.
[0009] Preferably, the stop member includes a first stop portion, the first stop portion includes at least two, the two stop portions are respectively connected to the bottom periphery of the first frame body, the two stop portions respectively protrude from the periphery of the first frame body and can be abutted against the bottom of the second frame body.
[0010] In this way, by connecting the first stopper to the outer periphery of the bottom of the first frame, and making the two stoppers protrude from the outer periphery of the first frame and abut against the bottom of the second frame, the second frame can be limited by the stopper when it is folded.
[0011] Preferably, a vertical guide groove is provided on the outer periphery of the first frame body, and a slider is provided on the inner side of the second frame body, and the slider is slidably connected in the vertical guide groove.
[0012] In this way, a vertical guide groove is provided on the outer periphery of the first frame, and a slider is provided on the inner side of the second frame, so that the slider is slidably connected in the vertical guide groove to guide the second frame and prevent the second frame from tilting when folded or unfolded.
[0013] Preferably, the stopping member further includes a second stopping portion, the second stopping portion is connected to the outer periphery of the bottom of the second frame body, the second stopping portion includes at least two second stopping portions, and the second stopping portion can abut against the bottom of the third frame body.
[0014] In this way, by arranging the second stopper on the outer periphery of the bottom of the second frame body, when the third frame body is folded, the second stopper abuts against the bottom of the third frame body to limit the position of the third frame body when folded.
[0015] Preferably, the power component adopts a multi-stage electric cylinder, and the output end of the multi-stage electric cylinder is connected to the top of the third frame.
[0016] In this way, by using a multi-stage electric cylinder as a power component and connecting the output end of the multi-stage electric cylinder to the top of the third frame, the multi-stage electric cylinder structure is used to accurately control the height of the cylinder body when it is folded or unfolded.
[0017] Preferably, the multi-stage electric cylinder comprises at least two, and the two multi-stage cylinders are symmetrically arranged about the vertical center line of the cylinder body.
[0018] In this way, by providing at least two multi-stage electric cylinders and symmetrically arranging them with respect to the vertical center line of the cylinder body, it is convenient to ensure that the frame device is subjected to uniform force when moving, thereby preventing the frame body from tilting.
[0019] Preferably, it further comprises a control board, wherein the control board is connected to the base plate, a control module is installed in the control board, and the control module and the power component are both electrically connected to the control terminal.
[0020] In this way, by installing the control module in the control panel, it is convenient to issue an execution instruction to the control module through the control terminal, and then control the extension and retraction of the output end of the power component and the extension and retraction distance through the control module.
[0021] Preferably, it further comprises a pulley, wherein the pulley is connected to the bottom of the base plate, the pulley is connected to the output end of the driving component, and the driving component is electrically connected to the control module.
[0022] In this way, by connecting the pulley to the output end of the driving component and electrically connecting the driving component to the control module, it is convenient to control the start of the driving component through the control module, so that the pulley rotates and the cylinder body is driven to the required position, so that the cylinder body can be cleaned of powder at the set position, avoiding the operator from entering the printing environment and affecting the printing atmosphere.
[0023] In order to achieve the above-mentioned object, an embodiment of the utility model further provides a 3D printer, comprising the above-mentioned heavy-load multi-stage printing cylinder.
[0024] The utility model has the beneficial effects of: the cylinder body is composed of a plurality of frames that can be slidably connected in pairs, and the plurality of frames can be folded onto the frame at the bottom, so that the cylinder body can be folded or unfolded, and the output end of the power component is connected to the frame constituting the top of the cylinder body, so that when printing products, the frame at the top is driven up and down by the power component, thereby controlling the printing space between the top of the cylinder body and the printing substrate connected to the top of the frame constituting the bottom of the cylinder body, replacing the moving printing substrate to control the printing space between the top of the cylinder body and the printing substrate, reducing the load of the lifting mechanism, keeping the printing substrate balanced, accurately reserving the printing space, and ensuring the quality of the printed product. A stopper component is provided on the outside of the frame, so that the folding limit of the frame can be limited by the stopper component. By connecting the pulley to the output end of the driving component, and the driving component is electrically connected to the control module, it is convenient to control the driving component to start through the control module, so that the pulley rotates, and the cylinder body is driven to the required position, so that the cylinder body is convenient to clean the powder at the set position, and the operator is prevented from entering the printing environment and affecting the printing atmosphere. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a structural diagram of the utility model after the cylinder body is unfolded;
[0026] Figure 2 It is a structural diagram of the cylinder body of the utility model after being folded. DETAILED DESCRIPTION
[0027] 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.
[0028] The reference numerals in the drawings of the specification include: power component 1, first frame 21, vertical guide groove 211, first stopper 212, second frame 22, second stopper 221, third frame 23, printing substrate 30, bottom plate 40, pulley 42, control board 43.
[0029] 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.
[0030] See also Figure 1 to Figure 2 A heavy-load multi-stage printing cylinder comprises a bottom plate 40, a printing substrate 30, a power component 1 connected to the bottom plate 40 and a cylinder body, wherein the cylinder body is formed by connecting a plurality of frames, and the cylinder body can be extended and retracted along its height direction, the printing substrate 40 is connected to the top of the frame constituting the bottom of the cylinder body, the output end of the power component 1 is connected to the frame constituting the top of the cylinder body, and a stopper is arranged on the outside of the frame body. The stopper is used to limit the folding limit of the frame body.
[0031] See also Figure 1 and Figure 2 The multiple frames include a first frame 21 , a second frame 22 and a third frame 23 connected in sequence, and the first frame 21 is connected to the bottom plate 40 .
[0032] See also Figure 1 and Figure 2 The stopping member includes a first stopping portion 212, and the first stopping portion 212 includes at least two, the two stopping portions are respectively connected to the bottom periphery of the first frame 21, and the two stopping portions respectively protrude from the periphery of the first frame 21 and can be abutted against the bottom of the second frame 22.
[0033] See also Figure 2 A vertical guide groove 211 is provided on the outer periphery of the first frame body 21 , and a slider is provided on the inner side of the second frame body 22 , and the slider is slidably connected in the vertical guide groove 211 .
[0034] See also Figure 1 and Figure 2 The stopping member also includes a second stopping portion 221, which is connected to the outer periphery of the bottom of the second frame body 22. The second stopping portion 221 includes at least two second stopping portions 221, and the second stopping portion 221 can be abutted against the bottom of the third frame body 23.
[0035] See also Figure 1 and Figure 2 The power component 1 adopts a multi-stage electric cylinder, and the output end of the multi-stage electric cylinder is connected to the top of the third frame 23. The third frame 23 is driven to unfold or fold through the screw nut pair provided by the multi-stage electric cylinder, thereby driving the second frame 22 to unfold or fold. And the distance of folding or unfolding of the frame each time can be controlled.
[0036] See also Figure 1 and Figure 2 The multi-stage electric cylinder includes at least two, and the two multi-stage cylinders are symmetrically arranged with respect to the vertical center line of the cylinder body. In this way, the frame body is subjected to balanced force, and the stability of the frame body during movement is ensured.
[0037] See also Figure 1 and Figure 2 , further comprising a control panel 43, the control panel 43 being connected to the bottom panel 40, a control module being installed in the control panel 43, the control module being electrically connected to the control terminal, and the power component 1 being electrically connected to the control module. In this way, it is convenient to remotely control the operation of the power component 1, and then control the cylinder to unfold or fold.
[0038] See also Figure 1 and Figure 2 , also includes a pulley 42 and a driving member, the pulley 42 is connected to the bottom of the base plate 40, the pulley 42 is connected to the output end of the driving member, and the driving member is electrically connected to the control module. The driving member can adopt a motor, the output shaft of the motor is connected to the transmission shaft, and the pulley 42 is connected to the transmission shaft. The control terminal sends a forward and reverse rotation command of the driving member, or a stop command to the control module to control the movement of the printing cylinder. The printing cylinder can reach the designated powder cleaning position, which is convenient for the operator to clean the powder outside the printing atmosphere. Ensure the printing atmosphere of the printing environment to avoid the need to re-cultivate the printing atmosphere due to the entry of the operator. Example 2, a 3D printer, including the above-mentioned heavy-load multi-stage printing cylinder.
[0039] 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 heavy-duty multi-stage printing cylinder, characterized in that: The invention comprises a bottom plate (40), a printing substrate (30), a power component (1) connected to the bottom plate (40) and a cylinder body, wherein the cylinder body is composed of a plurality of frames connected together, and the cylinder body can be extended and retracted along its height direction, the printing substrate (30) is connected to the top of the frame body at the bottom of the cylinder body, the output end of the power component (1) is connected to the frame body at the top of the cylinder body, and a stop component is arranged on the outer side of the frame body.
2. The heavy-duty multi-stage printing cylinder according to claim 1, characterized in that: The plurality of frames include a first frame (21), a second frame (22) and a third frame (23) which are connected in sequence, and the first frame (21) is connected to the bottom plate (40).
3. The heavy-duty multi-stage printing cylinder according to claim 2, characterized in that: The stop member comprises a first stop portion (212), the first stop portion (212) comprises at least two, the two first stop portions (212) are respectively connected to the outer periphery of the bottom of the first frame (21), and the two first stop portions (212) respectively protrude from the outer periphery of the first frame (21) and can abut against the bottom of the second frame (22).
4. The heavy-duty multi-stage printing cylinder according to claim 2, characterized in that: A vertical guide groove (211) is provided on the outer periphery of the first frame body (21), and a sliding block is provided on the inner side of the second frame body (22), wherein the sliding block is slidably connected in the vertical guide groove (211).
5. The heavy-duty multi-stage printing cylinder according to claim 2, characterized in that: The stop member further comprises a second stop portion (221), the second stop portion (221) being connected to the outer periphery of the bottom of the second frame body (22), the second stop portion (221) comprising at least two, and the second stop portion (221) being capable of abutting against the bottom of the third frame body (23).
6. The heavy-duty multi-stage printing cylinder according to any one of claims 2 to 5, characterized in that: The power component (1) adopts a multi-stage electric cylinder, and the output end of the multi-stage electric cylinder is connected to the top of the third frame (23).
7. The heavy-duty multi-stage printing cylinder according to claim 6, characterized in that: The multi-stage electric cylinders include at least two, and the two multi-stage electric cylinders are symmetrically arranged about the vertical center line of the cylinder body.
8. The heavy-duty multi-stage printing cylinder according to any one of claims 1 to 5, characterized in that: It also includes a control board (43), the control board (43) is connected to the base board (40), a control module is installed in the control board (43), the control module is electrically connected to the control board, and the power component (1) is electrically connected to the control module.
9. The heavy-duty multi-stage printing cylinder according to claim 8, characterized in that: It also includes a pulley (42) and a driving component, wherein the pulley (42) is connected to the bottom of the base plate (40), the pulley (42) is connected to the output end of the driving component, and the driving component is electrically connected to the control module.
10. A 3D printer, characterized in that: It comprises the heavy-loaded multi-stage printing cylinder as described in any one of claims 1 to 9.