Handmade model 3D printer

Abstract

The utility model discloses a hand model 3D printer which comprises a box body, an air filter element is connected to the interior of a fixing groove in a clamped mode, a baffle is fixedly connected to the outer side of the air filter element, a handle is fixedly connected to one side of the baffle, and magnetic attraction blocks are fixedly connected to the two ends of the other side of the baffle. According to the 3D printer for the hand model, through the arrangement of the box body, the fixing groove, the air filter element, a baffle and a magnetic attraction block, in the using process, a plastic lamp filament is heated through temperature, a large number of harmful substances can be generated, and therefore the harmful substances in the box body are filtered and purified through the air filter element; and in the using process, the magnetic attraction block is clamped in the groove of the box body, falling is avoided in the using process, the baffle has the limiting effect, and the phenomenon that normal use is affected due to the fact that the air filter element is placed too close to an internal component is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printers for figurine models, and in particular to a 3D printer for figurine models. Background Art

[0002] 3D printers, also known as three-dimensional printers, are a kind of rapid prototyping process equipment; 3D printing technology can be used in jewelry, footwear, industrial design, architecture, engineering and construction (AEC), automobiles, aerospace, dental and medical industries, education, geographic information systems, civil engineering, and many other fields. It is often used to make models or for direct manufacturing of some products in the fields of mold manufacturing and industrial design, which means that this technology is becoming popular. With the diversification of 3D printing materials and the innovation of printing technology, 3D printing not only reflects extraordinary development potential in the traditional manufacturing industry, but also extends its charm to many fields closely related to people's lives, such as food manufacturing, clothing luxury goods, film and television media, and education.

[0003] After searching, China Patent Publication (Announcement) No. 202223294296.1 discloses a product 3D printer. The utility model provides a product 3D printer that is fixed by multiple fixing rods and slide rails, which makes it convenient to make the moving mechanism more stable during use. When the 3D printer head moves, the 3D printer head can be better fixed, so that the device can be more stable during use, and through the shock-absorbing pad, it is convenient to reduce the vibration when the self-locking motor and the stepper motor are running to prevent the 3D printer head from being affected. However, when the printer is used, some harmful substances will be generated inside the box. Opening the box door will cause a large amount of harmful substances to be dispersed in the air, which is harmful to human health. When the printer is in use, the 3D printer head part will have the used plastic filament solidified inside the printer head, causing blockage to the nozzle. Without the driving force of the motor, the internal plastic filament will not be driven to the nozzle part, which is inconvenient to use. Therefore, it is necessary to design a hand-made model 3D printer. Utility Model Content

[0004] The main purpose of the utility model is to provide a 3D printer for action figures, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A 3D printer for action figures comprises a box body, both sides of which are provided with fixing grooves, one end of which penetrates into the interior of the box body, an air filter element is snap-connected inside the fixing groove, a baffle is fixedly connected to the outside of the air filter element, and a handle is fixedly connected to one side of the baffle; both ends of the other side of the baffle are fixedly connected to magnetic blocks, and the outer surface of the magnetic block is snap-connected to one side of the box body.

[0007] In order to facilitate up and down movement during printing, as a hand-made model 3D printer of the utility model, the inner bottom of the box is fixedly connected to a workbench, both sides of the upper surface of the workbench are fixedly connected to a Z-axis motor, the output end of the Z-axis motor is fixedly connected to a screw rod, the outer surface of the screw rod is threadedly connected to a moving block, one side of the moving block is fixedly connected to a fixed plate, one side of the fixed plate is provided with a sliding groove, the inside of the sliding groove is fixedly connected to a sliding rod, the surface of the sliding rod is slidably connected to a driving sliding block, and one side of the driving sliding block is fixedly connected to a discharge device.

[0008] In order to provide power for the plastic filament, as a hand-held model 3D printer of the utility model, a stepper motor is fixedly connected to one side of the fixed plate, the output end of the stepper motor is connected through a fixed frame, the output end of the stepper motor is fixedly connected to a gear, one end of the upper surface of the fixed frame is fixedly connected to an idle wheel, through holes are opened on both sides of the fixed frame, one end of the through hole is fixedly connected to a protective tube, and one end of the protective tube is fixedly connected to the top of the discharge device.

[0009] In order to achieve the purpose of feeding, as a hand-held model 3D printer of the utility model, a wire reel is fixedly connected to the upper part of the inner wall of the box body, a plastic filament is arranged on the surface of the wire reel, and the outer surface of the plastic filament penetrates to one end inside the protective tube.

[0010] In order to facilitate filament printing, as a hand-held model 3D printer of the utility model, the lower surface of the discharge device is fixedly connected to a radiator, the lower end of the outer surface of the radiator is threadedly connected to a heating block, the lower surface of the heating block is threadedly connected to a nozzle, one side of the outer surface of the heating block is fixedly connected to a thermostat, the other side of the outer surface of the heating block is fixedly connected to a thermocouple, fans are fixedly connected to both sides of the discharge device, an outlet is opened on the lower surface of the nozzle, and one end of the outlet passes through the top of the discharge device.

[0011] In order to enable Y-axis movement during use, as a hand-held model 3D printer of the utility model, a Y-axis motor is fixedly connected to one side of the middle of the upper surface of the workbench, the output end of the Y-axis motor is fixedly connected to a rotating wheel, the surface of the rotating wheel is rotatably connected to a belt, the surface of the belt is slidably connected to a pulley, both ends of the pulley are rotatably connected to a support plate, the upper surface of the support plate is fixedly connected to a hot bed, one side of the support plate is fixedly connected to a connecting block, the outer surface of the connecting block is slidably connected to a sliding plate, and the lower surface of the sliding plate is fixedly connected to the upper surface of the workbench.

[0012] In order to assist movement, as a 3D printer for figurines of hand-held models of the utility model, a moving groove is provided on one side of the sliding plate, a long rod is fixedly connected to the interior of the moving groove, and the surface of the long rod is slidably connected to the hot bed.

[0013] In order to have the function of connection control, as a 3D printer for figurines of the present invention, a connecting line is fixedly connected to one side of the outer surface of the workbench, and the outer surface of the connecting line passes through the outer side of the box.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, through the arrangement of the box body, the fixing groove, the air filter element, the baffle, the handle and the magnetic block, during use, the plastic filament is heated by the temperature and a large amount of harmful substances will be generated. If not handled in time, a large amount of harmful gases will invade the air after the box body is opened, which may cause harm to the human body. Therefore, an air filter element is arranged to filter and purify the harmful substances inside the box body to avoid the phenomenon that harmful gas emissions cause harm to the human body. During use, the magnetic block is clamped in the groove of the box body to avoid falling during use. The baffle has a limiting function to avoid the phenomenon that the air filter element is placed too close to the internal components and affects normal use.

[0016] 2. In the utility model, through the arrangement of the fixing plate, the stepper motor, the fixing frame, the gear, the idler wheel, the through hole, the protective tube and the discharge device, after the printing is finished, part of the plastic filament inside the discharge device will melt under the action of the residual temperature of the heating block, but after the printer is stopped for a long time, the part of the melted plastic filament will solidify, resulting in the inability of new filament to enter, and the nozzle itself cannot pull the filament, so the stepper motor is used to apply a forward force to the filament, and when the filament passes between the gear and the idler wheel, the force of the stepper motor is applied to the plastic filament, and the plastic filament is continuously pulled out from the reel. If the stepper motor is set at a longer distance to apply force to the plastic filament, the force will not be applied accurately, so a protective tube is set to connect the through hole and the discharge device to transmit the pressure applied to the plastic filament to the nozzle position. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall rear view of the embodiment of the utility model;

[0019] Figure 3 This is a schematic structural diagram of a cross-section of a fixing groove of an embodiment of the utility model;

[0020] Figure 4 It is a schematic structural diagram of an overall cross-section of an embodiment of the utility model;

[0021] Figure 5 This is a schematic structural diagram of a cross-section of a sliding groove in an embodiment of the utility model;

[0022] Figure 6 This is a schematic structural diagram of a cross-section of a discharging device according to an embodiment of the utility model;

[0023] Figure 7 This is a schematic structural diagram of the main view of the wire reel of the utility model embodiment;

[0024] Figure 8 This is a schematic diagram of the cross-sectional structure of the Y-axis motor of an embodiment of the utility model.

[0025] In the figure: 1. box body; 2. fixing groove; 3. air filter element; 4. baffle; 5. handle; 6. magnetic block; 7. workbench; 8. Z-axis motor; 9. screw rod; 10. moving block; 11. sliding groove; 12. sliding rod; 13. driving sliding block; 14. discharging device; 15. fixing plate; 16. stepping motor; 17. fixing frame; 18. gear; 19. idler wheel; 20. through hole; 21. protection tube; 22. wire drum; 23. plastic filament; 24. radiator; 25. heating block; 26. nozzle; 27. thermostat; 28. thermocouple; 29. ​​fan; 30. outlet; 31. Y-axis motor; 32. rotating wheel; 33. belt; 34. pulley; 35. support plate; 36. hot bed; 37. connecting block; 38. sliding plate; 39. moving groove; 40. long rod; 41. connecting wire. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example

[0028] like Figure 1-8 As shown, a 3D printer for hand-made models includes a box body 1, both sides of the box body 1 are provided with fixing grooves 2, one end of the fixing groove 2 penetrates into the inside of the box body 1, the inside of the fixing groove 2 is connected with an air filter element 3 by clamping, the outside of the air filter element 3 is fixedly connected with a baffle 4, and one side of the baffle 4 is fixedly connected with a handle 5;

[0029] In this embodiment, both ends of the other side of the baffle 4 are fixedly connected with magnetic blocks 6 , and the outer surface of the magnetic block 6 is connected to one side of the box body 1 in a snap-fitting manner.

[0030] During specific use, through the arrangement of the box body 1, the fixing groove 2, the air filter element 3, the baffle 4, the handle 5 and the magnetic block 6, the plastic filament 23 is heated during use and a large amount of harmful substances will be generated. If not handled in time, a large amount of harmful gases will invade the air after the box body 1 is opened, which may cause harm to the human body. Therefore, the air filter element 3 is arranged to filter and purify the harmful substances inside the box body 1 to avoid the phenomenon that harmful gas emissions cause harm to the human body. During use, the magnetic block 6 is clamped in the groove of the box body 1 to avoid falling during use. The baffle 4 has a limiting function to avoid the phenomenon that the air filter element 3 is placed too close to the internal components and affects normal use.

[0031] In this embodiment, a workbench 7 is fixedly connected to the inner bottom of the box body 1, and a Z-axis motor 8 is fixedly connected to both sides of the upper surface of the workbench 7. A screw rod 9 is fixedly connected to the output end of the Z-axis motor 8, and a moving block 10 is threadedly connected to the outer surface of the screw rod 9. A fixed plate 15 is fixedly connected to one side of the moving block 10, and a sliding groove 11 is provided on one side of the fixed plate 15. A sliding rod 12 is fixedly connected to the inside of the sliding groove 11, and a driving sliding block 13 is slidably connected to the surface of the sliding rod 12, and a discharging device 14 is fixedly connected to one side of the driving sliding block 13.

[0032] During specific use, through the setting of the box 1, workbench 7, Z-axis motor 8, screw 9, moving block 10, sliding groove 11, sliding rod 12, driving sliding block 13 and discharge device 14, in the project of use, the printer will control the Z-axis motor 8 according to the loaded data, and then make the Z-axis motor 8 control the rotation of the screw 9, so that the moving block 10 drives the fixed plate 15 and the discharge device 14 to move up and down, so as to facilitate the precise control of the molding of the printed model.

[0033] In this embodiment, a stepper motor 16 is fixedly connected to one side of the fixed plate 15, and a fixed frame 17 is connected to the output end of the stepper motor 16, and a gear 18 is fixedly connected to the output end of the stepper motor 16. One end of the upper surface of the fixed frame 17 is fixedly connected to an idle wheel 19. Through holes 20 are provided on both sides of the fixed frame 17, and a protective tube 21 is fixedly connected to one end of the through hole 20, and one end of the protective tube 21 is fixedly connected to the top of the discharging device 14.

[0034] In specific use, through the arrangement of the fixing plate 15, the stepping motor 16, the fixing frame 17, the gear 18, the idler wheel 19, the through hole 20, the protective tube 21 and the discharge device 14, when printing is finished, part of the plastic filament 23 inside the discharge device 14 will melt under the effect of the residual temperature of the heating block 25, but after the printer is stopped for a long time, the part of the melted plastic filament 23 will solidify, resulting in the inability of new filament to enter, and the nozzle 26 itself cannot pull the plastic filament 23, so the stepping motor 16 is used to melt the plastic filament 23. The filament 23 applies a forward force. When the plastic filament 23 passes between the gear 18, the idler wheel 19 and the through hole 20, the force of the stepper motor 16 is applied to the plastic filament 23, and the plastic filament 23 is continuously pulled out from the reel 22. If the stepper motor 16 is set at a longer distance to apply force to the plastic filament 23, the force will not be applied accurately. Therefore, a protective tube 21 is provided to connect the through hole 20 and the discharge device 14, and the pressure applied to the plastic filament 23 is transmitted to the nozzle 26 position.

[0035] In this embodiment, a wire reel 22 is fixedly connected to the upper portion of the inner wall of the box body 1 , a plastic filament 23 is provided on the surface of the wire reel 22 , and the outer surface of the plastic filament 23 penetrates to one end of the inside of the protection tube 21 .

[0036] During specific use, through the arrangement of the box body 1, the protective tube 21, the wire reel 22 and the plastic filament 23, the plastic filament 23 passes through the inside of the protective tube 21 to effectively connect the plastic filament 23 from the position of the wire reel 22 to the position of the discharge device 14, thereby avoiding the phenomenon of deviation in the pressure applied by the stepper motor 16.

[0037] In this embodiment, a radiator 24 is fixedly connected to the lower surface of the discharging device 14, a heating block 25 is threadedly connected to the lower end of the outer surface of the radiator 24, a nozzle 26 is threadedly connected to the lower surface of the heating block 25, a thermostat 27 is fixedly connected to one side of the outer surface of the heating block 25, and a thermocouple 28 is fixedly connected to the other side of the outer surface of the heating block 25. Fans 29 are fixedly connected to both sides of the discharging device 14, and an outlet 30 is provided on the lower surface of the nozzle 26, and one end of the outlet 30 passes through the top of the discharging device 14.

[0038] During specific use, through the arrangement of the discharging device 14, the radiator 24, the heating block 25, the nozzle 26, the thermostat 27, the thermocouple 28, the fan 29 and the outlet 30, when in use, the temperature of the heating block 25 reaches between 200 and 300 degrees Celsius, so that the plastic filament 23 is semi-liquid plastic when it comes out of the nozzle 26. The material of the nozzle 26 is brass or stainless steel. The interior of the heating block 25 is provided with a thermostat 27 and a thermocouple 28. The upper part of the heating block 25 is provided with a heat insulation layer, and the surface of the heat insulation layer is provided with a radiator 24. When heat is dissipated, the temperature of the radiator 24 will gradually rise, so a fan 29 is installed on the side to cool the radiator 24.

[0039] In this embodiment, a Y-axis motor 31 is fixedly connected to one side of the middle of the upper surface of the workbench 7, and a rotating wheel 32 is fixedly connected to the output end of the Y-axis motor 31. A belt 33 is rotatably connected to the surface of the rotating wheel 32, and a pulley 34 is slidably connected to the surface of the belt 33. Both ends of the pulley 34 are rotatably connected to a support plate 35, and a hot bed 36 is fixedly connected to the upper surface of the support plate 35. A connecting block 37 is fixedly connected to one side of the support plate 35, and a sliding plate 38 is slidably connected to the outer surface of the connecting block 37, and the lower surface of the sliding plate 38 is fixedly connected to the upper surface of the workbench 7.

[0040] During specific use, through the setting of the workbench 7, Y-axis motor 31, rotating wheel 32, belt 33, pulley 34, support plate 35, hot bed 36, connecting block 37 and sliding plate 38, during use, the data program loaded into the printer controls the use of the Y-axis motor 31, so that the Y-axis motor 31 drives the rotating wheel 32 to rotate, and the belt 33 on the surface of the rotating wheel 32 is transmitted, so that the hot bed 36 moves in the Y-axis direction, and the printing is completed according to the program in cooperation with the nozzle 26. When moving, the connecting block 37 on the side of the support plate 35 moves inside the groove of the sliding plate 38.

[0041] In this embodiment, a moving groove 39 is opened on one side of the sliding plate 38 , and a long rod 40 is fixedly connected inside the moving groove 39 , and the surface of the long rod 40 is slidably connected to the hot bed 36 .

[0042] During specific use, through the arrangement of the sliding plate 38, the moving groove 39, the hot bed 36 and the long rod 40, the hot bed 36 will slide on the surface of the long rod 40 when moving. The arrangement of the long rods 40 on both sides enables the hot bed 36 to be stable when moving and maintain a balanced state.

[0043] In this embodiment, a connection line 41 is fixedly connected to one side of the outer surface of the workbench 7 , and the outer surface of the connection line 41 passes through the outer side of the box body 1 .

[0044] During specific use, through the arrangement of the workbench 7, the connecting wire 41 and the box 1, the connecting wire 41 enables the data connection to control the normal use of the printer.

[0045] Working principle: In use, before using the printer, you must first use 3D software in the computer to make a printing object, enter the specific size in the software, and then the file is loaded into the system of the 3D printer. The 3D printer first reads the file and sets the nozzle 26. All motors enter the standby state, and the heating block 25 starts to melt the plastic filament 23. During use, the plastic filament 23 is heated by the temperature and a large amount of harmful substances will be generated. If it is not handled in time, a large amount of harmful gases will invade the air after the box 1 is opened, which will cause harm to the human body. Therefore, an air filter element 3 is set to filter and purify the harmful substances inside the box 1 to avoid the phenomenon that harmful gas emissions cause harm to the human body. During use, the magnetic The suction block 6 is clamped in the groove of the box body 1 to prevent it from falling during use. The baffle 4 has a limiting function to prevent the air filter 3 from being placed too close to the internal components and affecting normal use. The printer will control the Z-axis motor 8 according to the loaded data, and then control the rotation of the screw 9 by the Z-axis motor 8, so that the moving block 10 drives the fixed plate 15 and the discharge device 14 to move up and down, which is convenient for accurately controlling the molding of the printed model. When the printing is completed, part of the plastic filament 23 in the discharge device 14 will melt under the action of the residual temperature of the heating block 25, but after the printer is stopped for a long time, the partially melted plastic filament 23 will solidify, resulting in the inability of new filament to enter, and the nozzle 26 itself cannot pull the plastic filament 23 Therefore, a stepper motor 16 is used to apply a forward force to the plastic filament 23. When the plastic filament 23 passes between the gear 18, the idler wheel 19 and the through hole 20, the force of the stepper motor 16 is applied to the plastic filament 23, and the plastic filament 23 is continuously pulled out from the reel 22. If the stepper motor 16 is set at a longer distance to apply force to the plastic filament 23, the force will not be applied accurately. Therefore, a protective tube 21 is set to connect the through hole 20 and the discharge device 14, and the pressure applied to the plastic filament 23 is transmitted to the position of the nozzle 26. The plastic filament 23 passes through the inside of the protective tube 21 to effectively connect the plastic filament 23 from the position of the reel 22 to the position of the discharge device 14, thereby avoiding the phenomenon of deviation in the pressure applied by the stepper motor 16, and heating The temperature of the block 25 reaches between 200 and 300 degrees Celsius, so that the plastic filament 23 is semi-liquid plastic when it comes out of the nozzle 26. The material of the nozzle 26 is brass or stainless steel. The interior of the heating block 25 is provided with a thermostat 27 and a thermocouple 28. The upper part of the heating block 25 is provided with a heat insulation layer, and the surface of the heat insulation layer is provided with a radiator 24. When heat is dissipated, the temperature of the radiator 24 will gradually rise. Therefore, a fan 29 is installed on the side to cool the radiator 24. The data program loaded into the printer controls the use of the Y-axis motor 31, so that the Y-axis motor 31 drives the rotating wheel 32 to rotate, so that the belt 33 on the surface of the rotating wheel 32 is transmitted, so that the hot bed 36 moves in the Y-axis direction, and the printing is completed according to the program in cooperation with the nozzle 26.When moving, the connection block 37 on the side of the support plate 35 moves inside the groove of the sliding plate 38, and the hot bed 36 slides on the surface of the long rod 40 when moving. The setting of the long rods 40 on both sides makes the hot bed 36 stable and balanced when moving. The connecting line 41 enables the data connection to control the normal use of the printer.

[0046] 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 3D printer for figurines, comprising a housing (1), characterized in that: Both sides of the box body (1) are provided with fixing grooves (2), one end of the fixing groove (2) penetrates into the interior of the box body (1), an air filter element (3) is snap-connected inside the fixing groove (2), a baffle (4) is fixedly connected to the outside of the air filter element (3), and a handle (5) is fixedly connected to one side of the baffle (4); Both ends of the other side of the baffle (4) are fixedly connected to magnetic blocks (6), and the outer surface of the magnetic block (6) is connected to one side of the box body (1) in a snap-fitting manner.

2. A 3D printer for figurines according to claim 1, characterized in that: A workbench (7) is fixedly connected to the inner bottom of the box body (1), and a Z-axis motor (8) is fixedly connected to both sides of the upper surface of the workbench (7), and a lead screw (9) is fixedly connected to the output end of the Z-axis motor (8), and a moving block (10) is threadedly connected to the outer surface of the lead screw (9), and one side of the moving block (10) is fixedly connected to a fixed plate (15), and one side of the fixed plate (15) is provided with a sliding groove (11), and the interior of the sliding groove (11) is fixedly connected to a sliding rod (12), and the surface of the sliding rod (12) is slidably connected to a driving sliding block (13), and one side of the driving sliding block (13) is fixedly connected to a discharging device (14).

3. A 3D printer for figurines according to claim 2, characterized in that: A stepper motor (16) is fixedly connected to the other side of the fixed plate (15); an output end of the stepper motor (16) is connected through a fixed frame (17); a gear (18) is fixedly connected to the output end of the stepper motor (16); one end of the upper surface of the fixed frame (17) is fixedly connected to an idler wheel (19); through holes (20) are provided on both sides of the fixed frame (17); one end of the through hole (20) is fixedly connected to a protective tube (21); one end of the protective tube (21) is fixedly connected to the top of the discharging device (14).

4. A 3D printer for figurines according to claim 1, characterized in that: A wire reel (22) is fixedly connected to the upper portion of the inner wall of the box body (1), a plastic filament (23) is provided on the surface of the wire reel (22), and the outer surface of the plastic filament (23) penetrates to one end inside the protective tube (21).

5. A 3D printer for figurines according to claim 2, characterized in that: The lower surface of the discharging device (14) is fixedly connected to a heat sink (24); the lower end of the outer surface of the heat sink (24) is threadedly connected to a heating block (25); the lower surface of the heating block (25) is threadedly connected to a nozzle (26); one side of the outer surface of the heating block (25) is fixedly connected to a thermostat (27); the other side of the outer surface of the heating block (25) is fixedly connected to a thermocouple (28); fans (29) are fixedly connected to both sides of the discharging device (14); an outlet (30) is provided on the lower surface of the nozzle (26); one end of the outlet (30) passes through the top of the discharging device (14).

6. A 3D printer for figurines according to claim 2, characterized in that: A Y-axis motor (31) is fixedly connected to one side of the middle of the upper surface of the workbench (7); a rotating wheel (32) is fixedly connected to the output end of the Y-axis motor (31); a belt (33) is rotatably connected to the surface of the rotating wheel (32); a pulley (34) is slidably connected to the surface of the belt (33); both ends of the pulley (34) are rotatably connected to a support plate (35); a hot bed (36) is fixedly connected to the upper surface of the support plate (35); a connecting block (37) is fixedly connected to one side of the support plate (35); a sliding plate (38) is slidably connected to the outer surface of the connecting block (37); and the lower surface of the sliding plate (38) is fixedly connected to the upper surface of the workbench (7).

7. A 3D printer for figurines according to claim 6, characterized in that: A moving groove (39) is provided on one side of the sliding plate (38), a long rod (40) is fixedly connected inside the moving groove (39), and a surface of the long rod (40) is slidably connected to the hot bed (36).

8. The 3D printer for figurines according to claim 2, characterized in that: A connecting line (41) is fixedly connected to one side of the outer surface of the workbench (7), and the outer surface of the connecting line (41) penetrates to the outside of the box body (1).

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