A 3D printer with double scrapers
By designing a double-set scraper and cleaning block in a 3D printer, the problems of inconvenience and safety risks of cured printing raw materials are solved, and efficient and safe waste cleaning and recycling are achieved.
Patent Information
- Application Number
- CN202420632040.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-03-29
AI Technical Summary
Existing 3D printers are inconvenient and have safety risks when cleaning cured raw materials.
Design a 3D printer with a double-set scraper, which moves back and forth at the bottom of the scraper through cleaning blocks and scrapers to remove uncured waste and avoid cleaning difficulties caused by waiting for curing.
It achieves more convenient and efficient cleaning, avoiding difficulties and safety risks caused by the cleaning of solidified waste, and improving the convenience of waste recycling and reuse.
Smart Images

Figure CN222742160U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of 3D printers, in particular to a 3D printer with double sets of scrapers. Background Art
[0002] A 3D printer is a device that prints and produces computer-generated product models in three dimensions. It generally uses high-temperature molten plastic as the raw material, and then stacks it layer by layer to print the object into a 3D physical object.
[0003] After searching, the patent publication number is: CN215550976U "A 3D printer with double scrapers", which includes a printer table, a pulley mechanism and a guide device arranged on the printer table, a flipping mechanism movably arranged on the guide device and driven for translation by the pulley mechanism, and a double scraper mechanism arranged on the flipping mechanism and capable of flipping with the flipping mechanism. By providing a flipping mechanism and a double-group scraper mechanism which is arranged on the flipping mechanism and can flip with the flipping mechanism, when there is too much solidified residual resin on one of the scrapers, it is possible to flip the clean scraper to the work station for work, thereby reducing the working time delayed by cleaning the scraper; at the same time, when the scraper to be cleaned is flipped upward, the staff does not need to put their hands into the resin to complete the cleaning, and the working hours and labor required for the cleaning work are also greatly reduced; the above scheme flips and rotates the two groups of scrapers, and when the printing material of one group of scrapers solidifies and cannot continue to work, the scraper is flipped and replaced, and then cleaned, but the cleaning of the scraper after curing is more troublesome, and manual cleaning is easy to cut the hands, so it is not only inconvenient to clean the scraped solidified waste, but also easy to cut during cleaning, which poses a risk. Utility Model Content
[0004] The purpose of the utility model is to provide a 3D printer with a double set of scrapers to solve the problem of inconvenience in cleaning the solidified printing material proposed in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A 3D printer with a double set of scrapers comprises a body, a print head, an electric slide rail and a scraper, wherein the print head is arranged at the top of an inner groove of the body, the electric slide rail bolts are installed on the side wall of the inner groove of the body, a moving block is slidably sleeved on the outer side of the electric slide rail, the scraper is installed on the side wall of the moving block, a cleaning groove is provided on the side wall of the body opposite to one end of the electric slide rail, a waste groove is provided on the body near the lower part of the cleaning groove, a cleaning block is slidably provided on the waste groove near the upper opening, a scraper is fixedly connected to the top of the cleaning block, a scraper groove is provided on the top of the scraper, the scraper groove is adapted to the bottom of the scraper, and a waste basket is provided at the bottom of the inner groove of the waste groove.
[0007] Furthermore, a motor is bolted to the inner groove of one side of the machine body close to the waste trough, a screw is bolted to the output end of the motor, the other end of the screw is rotatably connected to the inner groove wall of the waste trough, and the screw penetrates and is threadedly connected to the cleaning block.
[0008] Furthermore, sliders are fixedly connected to opposite sides of the cleaning block, a sliding groove is formed on the inner groove wall of the waste groove relative to the sliding groove, and the sliding groove is slidably connected to the sliding groove.
[0009] Furthermore, a mounting groove is provided on the top and side wall of the moving block close to the scraper, and the scraper is adapted to be plugged into the mounting groove.
[0010] Furthermore, a limiting groove is provided in the inner groove of the installation groove, and a limiting block is embedded in the end of the scraper relative to the inner groove of the installation groove, and the limiting block is plugged into the limiting groove. A spring is fixedly connected between one side of the inner groove of the limiting block close to the scraper installation end and its inner groove wall.
[0011] Furthermore, a push plate is fixedly connected to the top of the limit block, and the push plate penetrates and slides with the top position of the scraper inner groove.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] After the double-set scraper in this embodiment moves left and right to scrape off the printing waste, the waste on the scraper surface has not yet solidified. At this time, the cleaning block and the scraper plate move back and forth at the bottom of the scraper to scrape off the unsolidified waste without waiting, making cleaning more convenient and efficient, and also safer;
[0014] Through the scraping and cleaning method, the waste falls into the waste trough below and is then collected by the waste basket, which makes it convenient for the waste to be recycled and reused, thereby improving the utilization rate of resources and the convenience of waste disposal. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a front cross-sectional view of the structure of the printer in the utility model;
[0016] Figure 2 It is a schematic side cross-sectional view of the structure of the printer in the utility model;
[0017] Figure 3 It is a three-dimensional schematic diagram of the cleaning structure in the utility model;
[0018] Figure 4 For the utility model Figure 1 A schematic diagram of the enlarged structure at point A;
[0019] Figure 5 For the utility model Figure 2Schematic diagram of the enlarged structure at B.
[0020] The corresponding relationship between the illustrations and component names in the figure is as follows:
[0021] 1. Machine body; 2. Print head; 3. Electric slide rail; 4. Moving block; 5. Scraper; 6. Cleaning trough; 7. Waste trough; 8. Cleaning block; 9. Scraper; 10. Scraping trough; 11. Waste basket; 12. Motor; 13. Screw rod; 14. Slider; 15. Slide groove; 16. Mounting groove; 17. Limit block; 18. Limit groove; 19. Spring; 20. Push plate. DETAILED DESCRIPTION
[0022] Embodiment 1
[0023] See also Figures 1 to 5 A 3D printer with a double set of scrapers, comprising a body 1, a print head 2, an electric slide rail 3, and a scraper 5. The print head 2 is arranged at the top of the inner groove of the body 1, the electric slide rail 3 is bolted to the side wall of the inner groove of the body 1, the outer side of the electric slide rail 3 is sleeved and slidably provided with a moving block 4, the scraper 5 is installed on the side wall of the moving block 4, and there is a gap between the two ends of the scraper 5 and the inner groove wall of the body 1, the side wall of the body 1 opposite to one end of the electric slide rail 3 is provided with a cleaning groove 6, the body 1 is provided with a waste groove 7 near the lower position of the cleaning groove 6, the waste groove 7 is slidably provided with a cleaning block 8 near the upper opening position, and the top of the cleaning block 8 is fixed A scraper 9 is connected, and a scraping groove 10 is opened on the top of the scraper 9. The scraping groove 10 is adapted to the bottom of the scraper 5. The printing waste just scraped off by the bottom of the scraper 5 is cleaned by moving the reciprocating cleaning block 8 and the scraping mechanism above, to prevent the waste from solidifying and the problem of cleaning difficulty, thereby improving the convenience of cleaning. A waste basket 11 is provided at the bottom of the inner groove of the waste trough 7, and a slot door is rotatably provided on the side wall of the body 1 close to the waste trough 7. Through the waste trough 7 and the internal waste basket 11, the cleaned waste can be conveniently recovered and then reused, thereby improving the convenience of waste recycling and subsequent reuse.
[0024] A screw rod 13 is rotatably connected to the inner groove wall of the waste trough 7, and a motor 12 is bolted to the inner groove on one side of the body 1 opposite to one end of the screw rod 13. The output end of the motor 12 is bolted to the screw rod 13, and the screw rod 13 penetrates and is threadedly connected to the cleaning block 8. The cleaning block 8 is driven by the screw rod 13 to perform stable and efficient reciprocating motion, thereby achieving a rapid cleaning effect on the scraper 5. Slide blocks 14 are fixedly connected to the opposite sides of the cleaning block 8. A slide groove 15 is provided on the inner groove wall of the waste trough 7 opposite to the slide block 14. The slide block 14 is slidably connected to the slide groove 15. Through the sliding limit and stability of the slide block 14 and the slide groove 15, the cleaning block 8 can move under the action of the screw rod 13 and is more stable.
[0025] Embodiment 2
[0026] like Figure 5As shown, further improvements are made on the basis of Example 1:
[0027] In order to facilitate the replacement of the scraper 5 after it is worn out, a mounting groove 16 is provided on the side wall of the moving block 4 away from the electric slide rail 3, the scraper 5 is adapted to be plugged into the mounting groove 16, a limiting groove 18 is provided in the inner groove of the mounting groove 16, a limiting block 17 is adapted to be plugged into the inner groove of the limiting groove 18, the limiting block 17 is embedded and slidably connected to one end of the scraper 5 relative to the inner groove of the mounting groove 16, a spring 19 is fixedly connected between one side of the inner groove of the limiting block 17 close to the mounting end of the scraper 5 and its inner groove wall, a push plate 20 is fixedly connected to the top of the limiting block 17, and the push plate 20 is connected to the top of the inner groove of the scraper 5 The position penetrates and slides, and the scraper 5 will be worn after use. At this time, the push plate 20 is pushed to separate the limit block 17 from the limit groove 18, and the scraper 5 can be lifted up from the installation groove 16 for disassembly. Conversely, during installation, the installation end of the scraper 5 is inserted into the installation groove 16, and then the limit block 17 is squeezed and contracted to the inner groove and squeezes the spring 19. After the limit block 17 is aligned with the limit groove 18, the spring 19 rebounds and the limit block 17 can be inserted into the limit groove 18 and fixed, so that the scraper 5 can be quickly replaced, thereby improving the convenience of use.
[0028] Working principle: When in use, the print head 2 inside the body 1 is printing. When scraping is required after printing, the electric slide rail 3 is started to drive the moving block 4 to move. At this time, the scraper 5 can scrape the waste, and then the scraper 5 moves to the inside of the cleaning tank 6. Then the motor 12 is started to drive the screw rod 13 to rotate, and then the screw rod 13 drives the cleaning block 8 to move from the two ends of the scraper 5 to its bottom for cleaning. During the process, the cleaning block 8 is limited and slid by the slider 14 and the slide groove 15, so that the cleaning block 8 moves stably, and then the scraping groove 10 of the scraper 9 is adapted to the scraper 5 to scrape the waste, and then the waste falls into the waste basket 11 through the waste tank 7 to complete the collection of the waste, and the surface of the scraper 5 can be cleaned in real time, without waiting to prevent the problem of solidification cleaning difficulties, thereby improving the convenience and efficiency of cleaning.
[0029] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A 3D printer with a double set of scrapers, comprising a body (1), a print head (2), an electric slide rail (3), and a scraper (5), wherein the print head (2) is arranged at the top of an inner groove of the body (1), and the electric slide rail (3) is bolted to a side wall of the inner groove of the body (1), characterized in that: A moving block (4) is slidably sleeved on the outer side of the electric slide rail (3), and the scraper (5) is installed on the side wall of the moving block (4). A cleaning groove (6) is provided on the side wall of the machine body (1) at one end opposite to the electric slide rail (3). A waste groove (7) is provided on the machine body (1) near the lower position of the cleaning groove (6), and a cleaning block (8) is slidably provided near the upper opening position of the waste groove (7). A scraper (9) is fixedly connected to the top of the cleaning block (8), and a scraping groove (10) is provided on the top of the scraper (9), and the scraping groove (10) is adapted to the bottom of the scraper (5). A waste basket (11) is provided at the bottom of the inner groove of the waste groove (7).
2. A 3D printer with a double set of scrapers according to claim 1, characterized in that: A motor (12) is bolted to the inner groove of one side of the machine body (1) close to the waste trough (7); a screw rod (13) is bolted to the output end of the motor (12); the other end of the screw rod (13) is rotatably connected to the inner groove wall of the waste trough (7); and the screw rod (13) penetrates and is threadedly connected to the cleaning block (8).
3. A 3D printer with a double set of scrapers according to claim 1, characterized in that: The cleaning block (8) is fixedly connected with sliders (14) on opposite sides, the waste trough (7) is provided with a slide groove (15) on the inner groove wall relative to the slider (14), and the slider (14) is slidably connected with the slide groove (15).
4. A 3D printer with a double set of scrapers according to claim 1, characterized in that: The top and side wall of the moving block (4) close to the scraper (5) are provided with a mounting groove (16), and the scraper (5) is adapted to be plugged into the mounting groove (16).
5. A 3D printer with a double set of scrapers according to claim 4, characterized in that: The inner groove of the installation groove (16) is provided with a limiting groove (18); one end of the scraper (5) relative to the inner groove of the installation groove (16) is embedded with a limiting block (17) in a sliding connection, and the limiting block (17) is plugged into the limiting groove (18); a spring (19) is fixedly connected between one side of the inner groove of the limiting block (17) close to the installation end of the scraper (5) and the inner groove wall thereof.
6. A 3D printer with a double set of scrapers according to claim 5, characterized in that: A push plate (20) is fixedly connected to the top of the limit block (17), and the push plate (20) penetrates and slides with the top of the inner groove of the scraper (5).
Citation Information
Patent Citations
3D printer with double sets of scrapers
CN215550976U