Screw type automatic feeding 3D printing equipment
By introducing cooling components and lubrication measures into the spiral automatic feeding 3D printing equipment, the deformation problem caused by frictional heating of the spiral mechanism was solved, ensuring the stability of material delivery and printing quality.
Patent Information
- Application Number
- CN202423141781.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing spiral automatic feeding 3D printing equipment suffers from deformation of the spiral mechanism due to frictional heating during long-term operation, affecting material delivery and printing quality.
A 3D printing device including a spiral mechanism and a cooling component was designed. The spiral component and the rotating tube are cooled by components such as heat-conducting rods, heat-conducting rings and heat sinks, and wear is reduced by lubricating oil.
It effectively reduces the temperature deformation of the screw mechanism, ensuring the stability of material delivery and printing quality during long-term operation.
Smart Images

Figure CN223559080U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to 3D printing technical field relates to a spiral automatic feeding 3D printing equipment. BACKGROUND
[0002] 3D printing is also called three-dimensional printing or additive manufacturing technology, which is a kind of technology for manufacturing solid parts according to three-dimensional CAD data through layer-by-layer material accumulation;
[0003] At present, in order to prevent the clogging of the agglomeration of printing materials, spiral automatic feeding 3D printing equipment is used, however, the spiral mechanism of the automatic feeding area of the 3D printing equipment may be deformed due to friction with the material during long-time operation, and the deformed spiral mechanism may not effectively transport the material, affecting the printing quality;
[0004] To solve the above problems, a spiral automatic feeding 3D printing equipment is provided in the present application. UTILITY MODEL CONTENT
[0005] The utility model provides a spiral automatic feeding 3D printing equipment for the technical problems existing in the prior art.
[0006] The technical scheme for solving the above technical problems is as follows: a spiral automatic feeding 3D printing equipment, comprising a spiral mechanism and a cooling assembly, the spiral mechanism comprising a motor and a conveying pipe, the output end of the motor being provided with a rotating pipe, the outer side of the rotating pipe being provided with a spiral part, the outer side of the spiral part being movably attached to the inner wall of the conveying pipe;
[0007] The cooling assembly comprises a bracket and a heat-conducting rod mounted inside the rotating pipe, an annular groove is formed in the rotating pipe, the rotating pipe is provided with a heat-conducting ring through the annular groove, the inner side of the heat-conducting ring is connected to the outer side of the heat-conducting rod, a heat-conducting half-ring is detachably mounted on the bracket, one side of the heat-conducting half-ring is attached to the outer side of the heat-conducting ring, a heat-conducting sheet is mounted on the bracket, and a heat sink is detachably mounted on the bracket and attached to one side of the heat-conducting sheet.
[0008] The conveying pipe is communicated with the feeding pipe and the discharging pipe, the feeding pipe and the discharging pipe are provided for the feeding and discharging of the printing material.
[0009] The outer side of the conveying pipe is provided with a supporting ring, the supporting ring is provided for supporting the conveying pipe.
[0010] The bracket is provided with a first screw, the heat-conducting half-ring is connected to the bracket through the first screw, and the first screw is provided for facilitating the disassembly and assembly of the heat-conducting half-ring.
[0011] A mounting plate is installed on one side of the heat sink, and a second screw is installed on the mounting plate. The mounting plate is connected to the bracket by the second screw. The mounting plate and the second screw facilitate the assembly and disassembly of the heat sink.
[0012] The mounting plate has multiple heat dissipation holes, which are designed to minimize the impact of the mounting plate on the heat sink's heat dissipation.
[0013] The heat-conducting semi-ring is provided with an arc-shaped oil groove and an oil inlet groove that is connected to the arc-shaped oil groove. By setting the arc-shaped oil groove and the oil inlet groove, lubricating oil is dripped between the heat-conducting ring and the heat-conducting semi-ring.
[0014] The beneficial effects of this utility model are:
[0015] By setting up a cooling component and activating the heat sink, the low temperature is transferred sequentially through the heat-conducting sheet, heat-conducting half-ring, heat-conducting ring and heat-conducting rod to the rotating tube and spiral component, thereby achieving the effect of cooling the rotating tube and spiral component. This helps to prevent deformation caused by overheating during long-term operation, which would affect the effective delivery of material and print quality.
[0016] By dripping lubricating oil into the oil inlet groove, the lubricating oil flows into the arc-shaped oil groove, thereby achieving the effect of lubricating the heat-conducting half ring and the heat-conducting ring, minimizing wear on both and extending their service life. Attached Figure Description
[0017] Figure 1 This is a schematic diagram illustrating the overall structure of the device.
[0018] Figure 2 This utility model is a cross-sectional schematic diagram showing the internal structure of the conveying pipe;
[0019] Figure 3 This is a schematic diagram illustrating the cooling component of this utility model;
[0020] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle.
[0021] The attached diagram lists the components represented by each number as follows:
[0022] 1. Screw mechanism; 101. Motor; 102. Rotary tube; 103. Screw component; 104. Feed pipe; 105. Discharge pipe; 106. Support ring; 107. Conveying pipe;
[0023] 2, cooling assembly; 201, annular groove; 202, heat-conducting ring; 203, heat-conducting rod; 204, bracket; 205, heat-conducting half ring; 206, first screw; 207, heat-conducting sheet; 208, heat-dissipating sheet; 209, mounting plate; 210, second screw; 211, heat-dissipating hole;
[0024] 3, arc-shaped oil groove; 4, oil inlet chute. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0026] In the description of the present application, the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0027] In the description of the present application, the term "for example" is used to indicate "as an example, illustration or description". Any embodiment described as "for example" in the present application is not necessarily interpreted as more preferred or more advantageous than other embodiments. The following description is given in order to enable any person skilled in the art to implement and use the present application. In the following description, details are listed for the purpose of explanation. It should be understood that those skilled in the art can realize the present application without using these specific details. In other examples, well-known structures and processes will not be described in detail in order to avoid unnecessary details making the description of the present application obscure. Therefore, the present application is not intended to be limited to the shown embodiments, but is consistent with the broadest scope of principles and features disclosed in the present application.
[0028] Reference Figure 1 and Figure 2The utility model provides a spiral automatic feeding 3D printing equipment, including screw mechanism 1 and cooling assembly 2, screw mechanism 1 includes motor 101 and conveying pipe 107, motor 101 is installed on the equipment, and the output end of motor 101 is installed with rotary pipe 102, the outside of rotary pipe 102 is installed with screw piece 103, and the outside of screw piece 103 is movably attached with the inner wall of conveying pipe 107, and conveying pipe 107 is communicated with feeding pipe 104 and discharge pipe 105, the top end of feeding pipe 104 is communicated with the feeding hopper, and the discharge end of discharge pipe 105 is communicated with the printing head, by starting motor 101, the rotation of rotary pipe 102 is driven, and the rotation of screw piece 103 is driven, thereby realizing the transmission purpose of printing material.
[0029] With reference to Figure 1 And Figure 2 The outside of conveying pipe 107 is installed with support ring 106, and support ring 106 is installed on the equipment and is used for supporting conveying pipe 107.
[0030] With reference to Figures 2-4 Cooling assembly 2 includes support 204 and heat conduction rod 203 installed in the inside of rotary pipe 102, annular groove 201 is formed in rotary pipe 102, heat conduction ring 202 is installed on rotary pipe 102 through annular groove 201, the inside of heat conduction ring 202 is connected with the outside of heat conduction rod 203, heat conduction half ring 205 is detachably installed on support 204, one side of heat conduction half ring 205 is attached with the outside of heat conduction ring 202, heat conduction sheet 207 is installed on support 204, heat dissipation sheet 208 is detachably installed on support 204 and is attached with one side of heat conduction sheet 207, heat dissipation sheet 208 is aluminum profile mini small heat dissipation sheet, according to the above technical scheme, specifically, by starting heat dissipation sheet 208, low temperature is transmitted to rotary pipe 102 and screw piece 103 through heat conduction sheet 207, heat conduction half ring 205, heat conduction ring 202 and heat conduction rod 203 in turn, so that the effect of cooling rotary pipe 102 and screw piece 103 is achieved, which is helpful to the deformation caused by temperature rise during long time operation, and the effective material conveying and printing quality are affected.
[0031] With reference to Figure 3 First screw 206 is installed on support 204, and heat conduction half ring 205 is connected with support 204 through first screw 206, and first screw 206 facilitates the disassembly and assembly of heat conduction half ring 205.
[0032] With reference to Figure 4 One side of heat dissipation sheet 208 is installed with mounting plate 209, second screw 210 is installed on mounting plate 209, and mounting plate 209 is connected with support 204 through second screw 210, which facilitates the disassembly and assembly of heat dissipation sheet 208.
[0033] With reference to Figure 4A plurality of heat dissipation holes 211 are formed through the mounting plate 209 to avoid the influence of the mounting plate 209 on the heat dissipation fins 208.
[0034] With reference to Figure 3 An arc-shaped oil groove 3 is formed in the heat-conducting half ring 205, and an oil inlet chute 301 is formed in the heat-conducting half ring 205 and communicates with the arc-shaped oil groove 3. The lubricating oil is dropped into the oil inlet chute 301 and flows into the arc-shaped oil groove 3, so that the heat-conducting half ring 205 and the heat-conducting ring 202 are lubricated, and the wear of the two is reduced.
[0035] Working principle:
[0036] The spiral automatic feeding 3D printing equipment starts the heat dissipation fins 208, which transmit low temperature to the heat-conducting fins 207, the heat-conducting half ring 205, the heat-conducting ring 202 and the heat-conducting rod 203 in turn, and then to the rotating pipe 102 and the spiral part 103, so that the rotating pipe 102 and the spiral part 103 are cooled, which helps to reduce the deformation caused by temperature rise during long-time operation, and affects the effective material conveying and printing quality.
[0037] The spiral automatic feeding 3D printing equipment drops the lubricating oil into the oil inlet chute 301, so that the lubricating oil flows into the arc-shaped oil groove 3, thereby achieving the effect of lubricating the heat-conducting half ring 205 and the heat-conducting ring 202, and reducing the wear of the two.
[0038] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to these embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including all changes and modifications falling within the scope of the present application.
[0039] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.
Claims
1. A spiral-type automatic feeding 3D printing device, comprising a spiral mechanism (1) and a cooling component (2), characterized in that, The spiral mechanism (1) includes a motor (101) and a conveying pipe (107). A rotating pipe (102) is installed at the output end of the motor (101). A spiral component (103) is installed on the outside of the rotating pipe (102). The outside of the spiral component (103) is in movable contact with the inner wall of the conveying pipe (107). The cooling component (2) includes a bracket (204) and a heat-conducting rod (203) installed inside the rotating tube (102). The rotating tube (102) has an annular groove (201). A heat-conducting ring (202) is installed on the rotating tube (102) through the annular groove (201). The inner side of the heat-conducting ring (202) is connected to the outer side of the heat-conducting rod (203). A heat-conducting half-ring (205) is detachably installed on the bracket (204). One side of the heat-conducting half-ring (205) is in contact with the outer side of the heat-conducting ring (202). A heat-conducting plate (207) is installed on the bracket (204). A heat sink (208) that is in contact with one side of the heat-conducting plate (207) is detachably installed on the bracket (204).
2. The spiral automatic feeding 3D printing equipment according to claim 1, characterized in that, The conveying pipe (107) is connected to the feed pipe (104) and the discharge pipe (105).
3. The spiral automatic feeding 3D printing equipment according to claim 1, characterized in that, A support ring (106) is installed on the outside of the delivery pipe (107).
4. The spiral automatic feeding 3D printing equipment according to claim 1, characterized in that, A first screw (206) is installed on the bracket (204), and the heat-conducting semi-ring (205) is connected to the bracket (204) through the first screw (206).
5. The spiral automatic feeding 3D printing equipment according to claim 1, characterized in that, A mounting plate (209) is installed on one side of the heat sink (208), and a second screw (210) is installed on the mounting plate (209). The mounting plate (209) is connected to the bracket (204) by the second screw (210).
6. The spiral automatic feeding 3D printing equipment according to claim 5, characterized in that, The mounting plate (209) has multiple heat dissipation holes (211) through it.
7. The spiral automatic feeding 3D printing equipment according to claim 1, characterized in that, An arc-shaped oil groove (3) is provided on the heat-conducting semi-ring (205), and an oil inlet inclined groove (301) connected to the arc-shaped oil groove (3) is provided on the heat-conducting semi-ring (205).