Granule hot-melt extrusion device
By designing a 3D printing extrusion device that includes feeding, crushing, heating, stirring and cooling components, the shortcomings of the existing devices in the processing of various raw materials and high-temperature heat dissipation are solved, and product quality improvement and device life extension are achieved.
Patent Information
- Application Number
- CN202420482751.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-03-12
AI Technical Summary
The existing 3D printing extrusion device cannot be stirred when adding a variety of raw materials, resulting in poor product quality and ineffective heat dissipation at high temperatures, resulting in reduced service life of the device and increased cost of use.
A hot melt extrusion device for pellet materials including feeding parts, crushing parts, heating parts, agitating parts and cooling parts is designed. The device ensures sufficient processing of raw materials and effective heat dissipation of temperature through steps such as crushing, heating, stirring and cooling.
The full crushing, heating and stirring of raw materials is achieved, the product quality is improved, and the service life of the device is extended through cooling components and the cost of use is reduced.
Smart Images
Figure CN222904878U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of 3D printing extrusion, in particular to a granular material hot melt extrusion device. Background Technique
[0002] The extrusion device of a 3D printer is an important device for 3D printer processing. With the development of engineering plastics towards high quality, high performance and low cost, the development of a new type of efficient extruder has become the key to the development of plastics. When adding a variety of raw materials to the existing extrusion device, these raw materials cannot be stirred, resulting in poor quality of the products processed by the extruder. When the body temperature is too high, the body cannot be well cooled, resulting in a reduced service life of the device and an increased use cost. Content of the Utility Model
[0003] In order to achieve the above object, an embodiment of the utility model provides a granular material hot melt extrusion device, which includes an extrusion device main body, a feeding component, a crushing component, a heating component, a stirring component, and a cooling component.
[0004] The feeding component is fixedly arranged at the upper end of the extrusion device main body, the crushing component is rotatably arranged at the lower end of the feeding component, the heating component is fixedly arranged on both sides inside the crushing component in a mirror image manner, the stirring component is fixedly arranged at the upper end of the extrusion device main body, and the cooling component is fixedly arranged at one end of the extrusion device main body.
[0004]
[0005] Further, the feeding component includes a feeding funnel, a mounting frame, and a feeding port.
[0006] The mounting frame is fixedly arranged at the upper end of the crushing component, the feeding port is opened inside the mounting frame, and the feeding funnel is fixedly arranged on the mounting frame.
[0005]
[0007] Further, the crushing component includes a driving component, a housing bracket, a protective housing, a guide plate I, and a crushing roller.
[0008] The housing bracket is fixedly arranged at the upper end of the heating component, the protective housing is fixedly arranged outside the housing bracket, the driving component is fixedly arranged on the right side of the housing bracket, two groups of crushing rollers are rotatably arranged inside the protective housing through the driving component, and the guide plate I is fixedly arranged at a certain inclination angle from right to left at the lower ends of the two groups of rotating shafts I (75).
[0006]
[0009] Further, the driving component includes a driving motor I, a transmission belt I, a limit seat, a limit shaft, and a rotating shaft I.
[0010] The first driving motor is fixedly arranged on the left side of the protective shell. A plurality of the limiting seats are mirror-symmetrically arranged on both sides of the outer shell bracket. Two sets of the first rotating shafts are rotatably arranged inside the plurality of limiting seats through a plurality of limiting shafts. One end of the limiting shaft is fixedly connected to the output shaft of the first driving motor. The first transmission belt is movably arranged on the two sets of the first rotating shafts.
[0011] Further, the heating component includes a support frame, an installation box, a second guide plate, a heating box, an installation frame, and an electromagnetic heating tube.
[0012] The support frame is fixedly arranged on the upper right side of the main body of the extrusion device. The installation box is fixedly arranged on the support frame. The heating box is fixedly arranged at the upper end inside the installation box. Two sets of electromagnetic heating tubes are mirror-symmetrically and fixedly arranged on both sides of the heating box through two sets of installation frames. The second guide plate is fixedly arranged at a certain inclination angle from back to front.
[0013] Further, the stirring component includes a stirring box, a second driving motor, a feed inlet, a feed pipe, a stirring rod, and a second transmission belt.
[0014] The stirring box is fixedly arranged on the upper end of the main body of the extrusion device. The second driving motor is fixedly arranged at one end of the stirring box. The feed inlet is arranged on one side inside the stirring box. The feed pipe is fixedly arranged at the middle position of the bottom of the stirring box and is fixedly connected to the inside of the main body of the extrusion device. Two sets of stirring rods are rotatably arranged inside the stirring box. One end is fixedly connected to the output shaft of the second driving motor. The second transmission belt is movably arranged on the upper ends of the two sets of stirring rods.
[0015] Further, the cooling component includes a support frame, a heat dissipation fan, and heat dissipation holes.
[0016] The support frame is fixedly arranged on the left side of the main body of the extrusion device. The heat dissipation fan is fixedly arranged at one end of the support frame. A plurality of heat dissipation holes are arranged at one end of the support frame.
[0017] Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
[0018] The pellet hot-melt extrusion device has a simple structure and is easy to use. Workers can input pellet materials through the feeding funnel at the upper end, enter the crushing component at the lower end through the feeding port, drive two groups of the first rotating shafts and two groups of crushing rollers by the first driving motor through the first transmission belt for crushing the pellet materials at the upper end, and the crushed materials fall into the heating box at the lower end through the first guiding plate. The electromagnetic heating tubes on both sides are used for heating and melting treatment. After melting, the materials can flow into the stirring box through the second guiding plate, and two groups of stirring rods are driven by the second driving motor for sufficient stirring. Then, the materials enter the print head at the lower end of the extrusion device main body through the feeding pipe for printing work. During this period, the cooling fan on the side of the extrusion device main body can dissipate the internal temperature to prevent the service life of the device from being affected by excessive temperature. Description of the Drawings
[0019] The present utility model will be further described below in conjunction with the drawings and embodiments.
[0020] Figure 1 The axonometric view of the present utility model is shown;
[0021] Figure 2 The axonometric sectional view of the present utility model is shown;
[0022] Figure 3 The left view of the present utility model is shown.
[0023] In the figure:
[0024] 1. Extrusion device main body; 2. Feeding component; 21. Feeding funnel; 22. Installation frame;
[0025] 23. Feeding port; 3. Crushing component; 31. Outer shell support; 32. Protective shell; 33. First guiding plate;
[0026] 34. Crushing roller; 4. Heating component; 41. Support frame; 42. Installation box; 43. Second guiding plate;
[0027] 44. Heating box; 45. Installation rack; 46. Electromagnetic heating tube; 5. Stirring component; 51. Stirring box;
[0028] 52. Second driving motor; 53. Feeding port; 54. Feeding pipe; 55. Stirring rod;
[0029] 56. Second transmission belt; 6. Cooling component; 61. Support frame; 62. Cooling fan;
[0030] 63. Heat dissipation hole; 7. Driving component; 71. First driving motor; 72. First transmission belt;
[0031] 73. Limit seat; 74. Limit shaft; 75. First rotating shaft. Detailed implementation mode
[0032] Now, the present utility model will be further described in detail with reference to the accompanying drawings. Please refer to Figure 1 , Figure 1 which shows the axonometric view of the present utility model; please refer to Figure 2 , Figure 2 which shows the axonometric sectional view of the present utility model; please refer to Figure 3 , Figure 3 which shows the left view of the present utility model; as Figures 1-3 shown, a hot melt extrusion device for granular materials includes an extrusion device main body 1, a feeding component 2, a crushing component 3, a heating component 4, a stirring component 5, and a cooling component 6;
[0033] The feeding component 2 is fixedly arranged at the upper end of the extrusion device main body 1, the crushing component 3 is rotatably arranged at the lower end of the feeding component 2, the heating component 4 is mirror-fixed on both inner sides of the crushing component 3, the stirring component 5 is fixedly arranged at the upper end of the extrusion device main body 1, and the cooling component 6 is fixedly arranged at one end of the extrusion device main body 1.
[0034] Optionally, the feeding component 2 includes a feeding funnel 21, a mounting frame 22, and a feeding port 23;
[0035] The mounting frame 22 is fixedly arranged at the upper end of the crushing component 3, the feeding port 23 is opened inside the mounting frame 22, the feeding funnel 21 is fixedly arranged on the mounting frame 22, and the mounting frame 22 provides a space for fixing and installing the feeding funnel 21. Workers can input granular materials through the feeding funnel 21 at the upper end and enter the crushing component 3 at the lower end through the feeding port 23.
[0036] Optionally, the crushing component 3 includes a driving component 7, a housing bracket 31, a protective shell 32, a first guide plate 33, and a crushing roller 34;
[0037] The housing bracket 31 is fixedly arranged at the upper end of the heating component 4, the protective shell 32 is fixedly arranged on the outside of the housing bracket 31, the driving component 7 is fixedly arranged on the right side of the housing bracket 31, two groups of crushing rollers 34 are rotatably arranged inside the protective shell 32 through the driving component 7, the first guide plate 33 is fixedly arranged at a certain inclination angle from right to left at the lower ends of the two groups of first rotating shafts (75), and the housing bracket 31 provides a space for the two groups of crushing rollers 34 to move and be installed. Driven by the driving component 7, the granular materials falling from the upper end are crushed.
[0038] Optionally, the driving component 7 includes a first driving motor 71, a first transmission belt 72, a limiting seat 73, a limiting shaft 74, and a first rotating shaft 75;
[0039] The first driving motor 71 is fixedly arranged on the left side of the protective shell 32. A plurality of the limiting seats 73 are symmetrically arranged on both sides of the outer shell bracket 31. Two groups of the first rotating shafts 75 are rotatably arranged inside the plurality of the limiting seats 73 through the plurality of the limiting shafts 74. One end of the limiting shaft 74 is fixedly connected to the output shaft of the first driving motor 71. The first transmission belt 72 is movably arranged on the two groups of the first rotating shafts 75. The plurality of the limiting seats 73 provide an installation and movement space for the plurality of the limiting shafts 74, and at the same time limit their movement range, so that they can only rotate around their own axes. The first driving motor 71 drives the first rotating shaft 75 to transmit through the first transmission belt 72.
[0040] Optionally, the heating component 4 includes a support frame 41, an installation box 42, a second guide plate 43, a heating box 44, an installation frame 45, and an electromagnetic heating tube 46;
[0041] The support frame 41 is fixedly arranged on the upper right side of the extrusion device main body 1. The installation box 42 is fixedly arranged on the support frame 41. The heating box 44 is fixedly arranged at the upper end inside the installation box 42. Two groups of the electromagnetic heating tubes 46 are symmetrically and fixedly arranged on both sides of the heating box 44 through two groups of the installation frames 45. The second guide plate 43 is fixedly arranged at a certain inclination angle from back to front. The support frame 41 provides a fixing and installation space for the installation box 42. The inside of the heating box 44 is heated by the two groups of the electromagnetic heating tubes 46, and then enters the stirring component 5 at the back through the second guide plate 43 at the lower end.
[0042] Optionally, the stirring component 5 includes a stirring box 51, a second driving motor 52, a feed inlet 53, a feed pipe 54, a stirring rod 55, and a second transmission belt 56;
[0043] The mixing tank 51 is fixedly arranged at the upper end of the extrusion device main body 1. The second driving motor 52 is fixedly arranged at one end of the mixing tank 51. The feeding port 53 is opened on one side inside the mixing tank 51. The feeding pipe 54 is fixedly arranged at the middle position of the bottom of the mixing tank 51 and is fixedly connected to the inside of the extrusion device main body 1. Two groups of mixing rods 55 are rotatably arranged inside the mixing tank 51, and one end is fixedly connected to the output shaft of the second driving motor 52. The second transmission belt 56 is movably arranged at the upper ends of the two groups of mixing rods 55. The second driving motor 52 drives the two groups of mixing rods 55 to be transmitted through the second transmission belt 56, so as to fully mix the granular materials that have been heated and melted, and enter the print head inside the extrusion device main body 1 through the feeding pipe 54.
[0044] Optionally, the cooling component 6 includes a support frame 61, a heat dissipation fan 62, and heat dissipation holes 63;
[0045] The support frame 61 is fixedly arranged on the left side of the extrusion device main body 1. The heat dissipation fan 62 is fixedly arranged at one end of the support frame 61. A plurality of heat dissipation holes 63 are opened at one end of the support frame 61. The support frame 61 provides a space for fixing and installing the heat dissipation fan 62, and can dissipate the temperature inside the extrusion device main body 1, improving the service life of the device.
[0046] Working principle: The granular material hot melt extrusion device has a simple structure and is convenient to use. The staff can put the granular materials through the feeding funnel 21 at the upper end, enter the crushing component 3 at the lower end through the feeding port 23, drive the two groups of first rotating shafts 75 and the two groups of crushing rollers 34 through the first driving motor 71 to be transmitted through the first transmission belt 72, crush the granular materials at the upper end, fall into the heating box 44 at the lower end through the first guide plate 33, and are heated and melted by the electromagnetic heating tubes 46 on both sides. After melting, they can flow into the mixing tank 51 through the second guide plate 43, be fully stirred by the two groups of mixing rods 51 driven by the second driving motor 52, and then enter the print head at the lower end of the extrusion device main body 1 through the feeding pipe 54 for printing work. During this period, the heat dissipation fan 62 on the side of the extrusion device main body 1 can dissipate the temperature inside to prevent the service life of the device from being affected due to excessive temperature.
Claims
1. A granular material hot melt extrusion device, characterized in that: It comprises an extrusion device body (1), a feeding component (2), a crushing component (3), a heating component (4), a stirring component (5), and a cooling component (6); The feeding component (2) is fixedly arranged at the upper end of the extrusion device body (1), the crushing component (3) is rotatably arranged at the lower end of the feeding component (2), the heating component (4) is mirror-fixedly arranged on both sides of the inside of the crushing component (3), the stirring component (5) is fixedly arranged at the upper end of the extrusion device body (1), and the cooling component (6) is fixedly arranged at one end of the extrusion device body (1).
2. A granular material hot melt extrusion device as claimed in claim 1, characterized in that: The feeding component (2) comprises a feeding funnel (21), a mounting frame (22), and a feeding port (23); The mounting frame (22) is fixedly arranged on the upper end of the crushing component (3), the feed port (23) is opened inside the mounting frame (22), and the feed hopper (21) is fixedly arranged on the mounting frame (22).
3. A granular material hot melt extrusion device as claimed in claim 1, characterized in that: The crushing component (3) comprises a driving component (7), a housing bracket (31), a protective shell (32), a guide plate (33), and a crushing roller (34); The driving component (7) comprises a driving motor (71), a transmission belt (72), a limiting seat (73), a limiting shaft (74), and a rotating shaft (75); The outer shell bracket (31) is fixedly arranged on the upper end of the heating component (4), the protective shell (32) is fixedly arranged on the outside of the outer shell bracket (31), the driving component (7) is fixedly arranged on the right side of the outer shell bracket (31), the two groups of crushing rollers (34) are rotatably arranged inside the protective shell (32) through the driving component (7), and the guide plate (33) is fixedly arranged at the lower end of the two groups of rotating shafts (75) at a certain inclination angle from right to left.
4. A granular material hot melt extrusion device as claimed in claim 3, characterized in that: The driving motor 1 (71) is fixedly arranged on the left side of the protective shell (32), and a plurality of the limiting seats (73) are mirror-imaged on both sides of the shell bracket (31). Two groups of rotating shafts 1 (75) are rotatably arranged inside the plurality of limiting seats (73) through a plurality of limiting shafts (74). One end of the limiting shaft (74) is fixedly connected to the output shaft of the driving motor 1 (71), and the transmission belt 1 (72) is movably arranged on the two groups of rotating shafts 1 (75).
5. A granular material hot melt extrusion device as claimed in claim 1, characterized in that: The heating component (4) comprises a support frame (41), a mounting box (42), a second guide plate (43), a heating box (44), a mounting frame (45), and an electromagnetic heating tube (46); The support frame (41) is fixedly arranged on the upper right side of the extrusion device body (1), the installation box (42) is fixedly arranged on the support frame (41), the heating box (44) is fixedly arranged at the upper end inside the installation box (42), the two groups of electromagnetic heating tubes (46) are fixedly arranged on both sides of the heating box (44) in a mirror-image manner through two groups of the installation frames (45), and the second guide plate (43) is fixedly arranged at a certain inclined angle from back to front.
6. A granular material hot melt extrusion device as claimed in claim 1, characterized in that: The stirring component (5) comprises a stirring box (51), a second driving motor (52), a feed port (53), a feed pipe (54), a stirring rod (55), and a second transmission belt (56); The stirring box (51) is fixedly arranged at the upper end of the extrusion device body (1), the second drive motor (52) is fixedly arranged at one end of the stirring box (51), the feed port (53) is opened on one side of the inside of the stirring box (51), the feed pipe (54) is fixedly arranged at the middle position of the bottom of the stirring box (51), and is fixedly connected to the inside of the extrusion device body (1), two groups of stirring rods (55) are rotatably arranged inside the stirring box (51), one end of which is fixedly connected to the output shaft of the second drive motor (52), and the second transmission belt (56) is movably arranged at the upper ends of the two groups of stirring rods (55).
7. A granular material hot melt extrusion device as claimed in claim 1, characterized in that: The cooling component (6) comprises a supporting frame (61), a heat dissipation fan (62), and heat dissipation holes (63); The support frame (61) is fixedly arranged on the left side of the extrusion device body (1), the heat dissipation fan (62) is fixedly arranged at one end of the support frame (61), and a plurality of heat dissipation holes (63) are opened at one end of the support frame (61).