3D printing mechanism with data acquisition function
By designing a 3D printing mechanism with data acquisition function, using the retractable parallel boom and attitude sensor to collect fault data of the dynamic platform, the problem of insufficient fault diagnosis function of existing 3D printers is solved, and effective collection and analysis of fault data is achieved. , reduce waste of materials and time.
Patent Information
- Application Number
- CN202420641301.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-30
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-30
AI Technical Summary
Existing 3D printers lack fault diagnosis functions, resulting in abnormal position of the dynamic platform when the connecting joint is faulty, resulting in waste of material and time. A test equipment that can collect large amounts of fault data is urgently needed.
A 3D printing mechanism with data acquisition function is designed, including a parallel mechanism and an attitude sensor. The movement of the dynamic platform is realized through the retractable parallel boom and the universal connection of the sphere, and the fault condition is simulated by loose bolts to collect the dynamic platform. Ode data to create a fault database.
It realizes effective collection and analysis of fault data of the dynamic platform, helps users to establish fault databases, and reduces material waste and time loss.
Smart Images
Figure CN222135976U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of 3D printing, and in particular to a 3D printing mechanism with a data acquisition function. Background Art
[0002] A 3D printer is a machine that uses digital model files as the basis, uses special wax materials, powdered metals or plastics and other adhesive materials, and prints layers of adhesive materials to manufacture three-dimensional objects. With the continuous advancement of 3D printing technology, people have put forward higher requirements for the functions, performance and reliability of 3D printers. If the connection joints of the parallel mechanism of the 3D printer fail, it will cause the position of the moving platform to be abnormal, thereby deforming the printed product. If the user fails to discover it in time, it will lead to waste of materials and time. Therefore, the fault diagnosis function of the 3D printer is particularly important. At present, the fault diagnosis function of 3D printers generally needs to be realized through a fault database. The fault database needs to include the fault location of the connecting joint, the fault degree, and the posture data of the moving platform corresponding to different fault locations and fault degrees. Therefore, a large amount of data needs to be collected when establishing a fault database. At present, most 3D printers do not have such a function. Therefore, a test equipment that can collect a large amount of fault data is urgently needed. Utility Model Content
[0003] The purpose of this application is to provide a 3D printing mechanism with a data collection function, which is helpful in helping users collect fault data.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a 3D printing mechanism with a data acquisition function, comprising a frame, a fixed platform and a parallel mechanism, the parallel mechanism comprising a moving platform, the side of the moving platform is provided with three groups of driving components for driving the moving platform to move, the side protrusion of the moving platform has three evenly distributed extensions, each group of the driving components comprises a pair of retractable parallel arms, both sides of the extensions are threadedly connected with bolts, a sphere is fixedly penetrated on the bolt, one end of the parallel arm is sleeved on the sphere, and the other end of the parallel arm is used to connect to the frame of the 3D printer, a notch extending from the center to one side is provided on the head of the bolt, and a posture sensor is provided on the moving platform.
[0005] By adopting the above technical solution, one end of the parallel arm is sleeved on the sphere, so as to realize the universal connection between the parallel arm and the two sides of the extension part of the moving platform. The up and down movement of the other ends of the multiple parallel arms cooperates with the extension and retraction of the parallel arms to realize the movement of the moving platform. Since the sphere is fixed on the bolt, the tightness of the threaded connection of the bolt will affect the position of the sphere, so that the parallel arm will produce an error in the driving of the moving platform. The attitude sensor is used to obtain the attitude data of the moving platform. When collecting data, the user can loosen different bolts to simulate the fault situation, and obtain different fault location data and fault degree data through the direction of the notch on the bolt. At the same time, the attitude sensor obtains the attitude data of the moving platform at this time, realizes the data collection of the moving platform, and helps the user to collect fault data to establish a fault database.
[0006] Preferably, a printing head is provided at the bottom of the moving platform, a material guiding pipe is provided inside the printing head, a material inlet of the material guiding pipe is located on the side of the upper end of the printing head, a nozzle is provided at the lower end of the printing head, and a heating block for hot-melting the raw materials is also provided above the nozzle, the material guiding pipe passes through the heating block and the material outlet of the material guiding pipe is located at the nozzle.
[0007] By adopting the above solution, the feed port of the material guide pipe is set on the side, so that the raw material can be transported from the side of the printing nozzle to the material guide pipe. The raw material transportation is located below the moving platform, which is beneficial to reduce the impact on the parallel arm driving the moving platform.
[0008] Preferably, the print head specifically includes a connecting part and a heat dissipation part, the top surface of the connecting part is connected to the bottom surface of the moving platform, the heat dissipation part is located below the connecting part, the feed port of the material guiding pipe is located on the side of the connecting part, the lower end of the heat dissipation part is connected to the nozzle, the heating block is located between the heat dissipation part and the nozzle, and the material guiding pipe passes through the connecting part, the heat dissipation part, the heating block and the nozzle in sequence.
[0009] By adopting the above solution, the provision of the heat dissipation part helps to quickly cool the raw materials, so that the raw materials that have not passed through the heating block remain in a solid state and are not melted by the heating block.
[0010] Preferably, the material guiding conduit located at the connection between the connecting portion and the heat dissipating portion is arranged in an arc shape.
[0011] By adopting the above technical solution, the connection between the connecting part and the heat dissipation part, that is, the turning part of the material guiding pipe, is arranged in an arc shape, so that the raw material can move forward more smoothly after entering the material guiding pipe, which is beneficial to reduce the occurrence of raw material breakage caused by turning.
[0012] Preferably, a heat-insulating tube is provided in the heat dissipation part, and the heat-insulating tube wraps the material guiding pipe.
[0013] By adopting the above solution, the provision of the heat-insulating tube can block heat and reduce the possibility of melting of the raw materials located at the heat-insulating tube.
[0014] Preferably, the lower end of the insulation tube extends into the heating block.
[0015] By adopting the above solution, part of the insulation tube extends into the heating block, which is beneficial to reducing the distance from the insulation tube to the nozzle. While ensuring the heating effect of the heating block, the amount of raw material being melted is reduced, which is beneficial to reducing the waste of raw materials.
[0016] Preferably, two mounting seats are provided on the moving platform, connecting ears are provided on both sides of the posture sensor, connecting holes are provided on the connecting ears, the two mounting seats are respectively located on both sides of the posture sensor, the mounting seats include a base and a plug-in block, the base is installed on the moving platform, the plug-in block is fixed on the base, the posture sensor is placed on the base, and the plug-in block is used to be plugged into the connecting hole.
[0017] By adopting the above scheme, the plug-in blocks are inserted into the connecting holes on both sides of the attitude sensor, so that the attitude sensor is fixed on the two mounting seats, so that the attitude sensor can be stably placed on the moving platform, and during installation, it is only necessary to first install the mounting seat on the moving platform, and then insert the attitude sensor into the plug-in block, which is convenient for installation.
[0018] Preferably, a fixing part is provided on the base, and the fixing part is specifically provided in an L shape. A clamping part is fixedly provided on one end of the fixing part, and a clamping groove is provided on the base. The clamping part is used to be clamped in the clamping groove. The fixing part and the plug-in block clamp the connecting ear, and the other end of the fixing part is used to cover the connecting ear.
[0019] By adopting the above solution, the fixing member is installed on the base through the cooperation between the clamping member and the clamping groove, and the fixing member covers the connecting ear, thereby further fixing the posture sensor, making the position of the posture sensor more stable.
[0020] In summary, the beneficial technical effects of this application are:
[0021] 1. When collecting data, the user can loosen different bolts to simulate fault conditions, and obtain different fault location data and fault severity data through the direction of the notch on the bolt. At the same time, the attitude sensor obtains the attitude data of the moving platform at this time, realizes data collection of the moving platform, and helps users collect fault data to establish a fault database.
[0022] 2. The feed port of the material guide pipe is set on the side, so that the raw material can be transported from the side of the print nozzle to the material guide pipe. The raw material transportation is located below the moving platform, which is beneficial to reduce the impact on the parallel arm driving the moving platform. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic diagram of the top surface structure of the moving platform in this application.
[0024] Figure 2 It is a side view of the extended portion of the moving platform in this application.
[0025] Figure 3 It is a cross-sectional schematic diagram of the printing nozzle in this application.
[0026] Figure 4 It is a cross-sectional schematic diagram of the mounting seat in this application.
[0027] Description of reference numerals:
[0028] 1. Moving platform; 11. Extension part; 2. Posture sensor; 21. Connecting ear; 22. Connecting hole; 3. Parallel arm; 4. Bolt; 41. Notch; 5. Sphere; 6. Print nozzle; 61. Material guide pipe; 62. Nozzle; 63. Heating block; 64. Connecting part; 65. Heat dissipation part; 66. Insulation tube; 7. Mounting seat; 71. Base; 72. Plug-in block; 73. Adhesive sheet; 74. Fixing piece; 75. Snap-in piece; 76. Snap-in groove; 77. Groove; 78. Bump. DETAILED DESCRIPTION
[0029] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.
[0030] The present application discloses a 3D printing mechanism with data collection function, such as Figure 1 and Figure 2As shown, it includes a frame, a fixed platform and a parallel mechanism, the parallel mechanism includes a moving platform 1, and three groups of driving components for driving the moving platform 1 to move are arranged on the side of the moving platform 1. The side protrusion of the moving platform 1 has three evenly distributed extensions 11, and the three extensions 11 are respectively located in three directions of the moving platform 1. Each group of driving components includes a pair of retractable parallel arms 3, and both sides of the extensions 11 are threadedly connected with bolts 4, and a ball 5 is fixedly penetrated on the bolt 4. One end of the parallel arm 3 is sleeved on the ball 5, and the other end of the parallel arm 3 is used for movably mounting on the 3D printer. On the frame, a notch 41 extending from the center to one side is provided on the head of the bolt 4, a posture sensor 2 is provided on the moving platform 1, and one end of the parallel arm 3 is sleeved on the sphere 5, thereby realizing a universal connection between the parallel arm 3 and both sides of the extension portion 11 of the moving platform 1, and the up and down movement of the other ends of the multiple parallel arms 3 cooperates with the extension and contraction of the parallel arms 3 to realize the movement of the moving platform 1. Since the sphere 5 is fixed on the bolt 4, the tightness of the threaded connection of the bolt 4 will affect the position of the sphere 5, thereby causing an error in the driving of the moving platform 1 by the parallel arm 3, which is equivalent to a failure.
[0031] The posture sensor 2 is used to obtain the posture data 2 of the moving platform 1, and the posture sensor 2 is connected to an external computer to transmit the posture data to the computer. When collecting data, the user can loosen different bolts 4 to simulate different fault conditions, and obtain different fault position data and fault degree data through the direction of the notch 41 on the bolt 4. At the same time, the posture sensor 2 obtains the posture data of the moving platform 1 at this time to realize data collection of the moving platform 1. For example, when the user loosens one of the bolts 4 (recorded as bolt a) so that the notch 41 on the bolt 4 rotates 0.25 circles, the fault position data is bolt a, and the fault degree data is loosened 0.25 circles. When the 3D printer is working, the posture sensor 2 obtains the posture data of the moving platform 1 at different times when the 3D printer is working, which are respectively recorded as posture data a1, posture data a2, and posture data a3, so that when the fault position data is bolt a and the fault degree data is loosened 0.25 circles, the corresponding posture data of the moving platform 1 are posture data a1, posture data a2, and posture data a3, respectively, thereby helping the user to collect fault data to establish a fault database.
[0032] When collecting data, the products printed by the 3D printer are different at different fault locations and fault degrees, so the fault data can be added to the products printed at different fault locations and fault degrees. Figure 3As shown, a printing nozzle 6 is provided at the bottom of the movable platform 1, and a material guiding pipe 61 is provided inside the printing nozzle 6. The material feeding port of the material guiding pipe 61 is located on the side of the upper end of the printing nozzle 6, and a nozzle 62 is provided at the lower end of the printing nozzle 6, and a heating block 63 for hot-melting the raw material is also provided above the nozzle 62. The material guiding pipe 61 passes through the heating block 63 and the material outlet of the material guiding pipe 61 is located at the nozzle 62, so that the raw material is hot-melted after passing through the heating block 63 in the material guiding pipe 61 and then extruded from the nozzle 62, and is quickly solidified after extrusion to form a product. The material feeding port of the material guiding pipe 61 is set on the side, so that the raw material can be transported from the side of the printing nozzle 6 to the material guiding pipe 61, and the raw material transportation is all located below the movable platform 1, which is beneficial to reduce the impact on the parallel arm 3 driving the movable platform 1.
[0033] The print head 6 specifically includes a connecting portion 64 and a heat dissipation portion 65. The top surface of the connecting portion 64 is connected to the bottom surface of the moving platform 1. The heat dissipation portion 65 is located below the connecting portion 64. The feed port of the material guide pipe 61 is located on the side of the connecting portion 64. The lower end of the heat dissipation portion 65 is connected to the nozzle 62. The heating block 63 is located between the heat dissipation portion 65 and the nozzle 62. The material guide pipe 61 passes through the connecting portion 64, the heat dissipation portion 65, the heating block 63 and the nozzle 62 in sequence. The setting of the heat dissipation portion 65 helps to quickly cool the raw material, so that the raw material that has not been The raw material passing through the heating block 63 remains in a solid state and is not melted by the heating block 63. In addition, the material guiding pipe 61 located at the connection between the connecting portion 64 and the heat dissipation portion 65 is arranged in an arc shape, the material guiding pipe 61 in the connecting portion 64 is in a horizontal state, and the material guiding pipe 61 in the heat dissipation portion 65 is in a vertical state. The connection between the connecting portion 64 and the heat dissipation portion 65, that is, the turning point of the material guiding pipe 61, is arranged in an arc shape, so that the raw material can move forward more smoothly after entering the material guiding pipe 61, which is beneficial to reduce the occurrence of breakage caused by turning of the raw material.
[0034] In addition, a heat-insulating tube 66 is provided in the heat dissipation part 65. In the present embodiment, the heat-insulating tube 66 is specifically a Teflon tube, which has strong high temperature resistance and heat resistance. The heat-insulating tube 66 wraps the material guiding pipe 61. The provision of the heat-insulating tube 66 can block heat and reduce the possibility of melting of the raw material located at the heat-insulating tube 66. The lower end of the heat-insulating tube 66 extends into the heating block 63, and part of the heat-insulating tube 66 extends into the heating block 63, which is beneficial to reducing the distance from the heat-insulating tube 66 to the nozzle 62. Under the premise of ensuring the heating effect of the heating block 63, the amount of raw material being hot-melted is reduced, which is beneficial to reducing the waste of raw materials. In the present embodiment, the nozzle 62 is specifically a copper nozzle 62, which can quickly conduct the heat of the heating block 63, so that the raw material in the nozzle 62 can be quickly melted.
[0035] like Figure 1 and Figure 4As shown, two mounting seats 7 are provided on the moving platform 1, connecting ears 21 are provided on both sides of the posture sensor 2, and connecting holes 22 are opened on the connecting ears 21. The two mounting seats 7 are respectively located on both sides of the posture sensor 2, and the mounting seat 7 includes a base 71 and a plug-in block 72. The base 71 is installed on the moving platform 1, and the plug-in block 72 is fixed on the base 71. The posture sensor 2 is placed on the base 71, and the plug-in block 72 is used to be plugged into the connecting hole 22. The plug-in block 72 is inserted into the connecting holes 22 on both sides of the posture sensor 2, so that the posture sensor 2 is fixed on the two mounting seats 7, so that the posture sensor 2 can be stably placed on the moving platform 1, and when installing, you only need to install the mounting seat 7 on the moving platform 1 first, and then plug the posture sensor 2 into the plug-in block 72, which is convenient to install.
[0036] An adhesive sheet 73 is fixedly embedded at the bottom of the base 71, and the bottom surface of the adhesive sheet 73 is flush with the bottom surface of the base 71. The adhesive sheet 73 is used to connect with the moving platform 1. At this time, the bottom surface of the base 71 is in contact with the top surface of the moving platform 1. After the base 71 is placed on the moving platform 1, due to the setting of the adhesive sheet 73, the base 71 sticks to the moving platform 1, thereby fixing the base 71 on the moving platform 1, and the base 71 can be removed by only forcing the base 71 and the moving platform 1 apart.
[0037] The base 71 is provided with a fixing piece 74, which is specifically configured to be L-shaped. A clamping piece 75 is integrally formed at one end of the fixing piece 74, and a clamping groove 76 is provided on the base 71. The clamping piece 75 is used to be clamped in the clamping groove 76. In this embodiment, the cross-section of the clamping piece 75 is specifically configured to be a right-angled trapezoid, and the longer bottom edge of the clamping piece 75 faces the base 71. The cross-section of the clamping groove 76 is also configured to be a right-angled trapezoid. The distance between the fixing piece 74 and the plug-in block 72 is equal to the thickness from the connecting ear 21 to the connecting hole 22, so that when the plug-in block 72 is inserted into the connecting hole 22 and the side wall of the plug-in block 72 contacts the hole wall of the connecting hole 22, the fixing piece 74 contacts the side of the connecting ear 21, so that the fixing piece 74 and the plug-in block 72 clamp the connecting ear 21, and the other end of the fixing piece 74 is used to cover the connecting ear 21 The fixing member 74 is installed on the base 71 through the cooperation of the clamping member 75 and the clamping groove 76, and the fixing member 74 covers the connecting ear 21, thereby further fixing the posture sensor 2, making the position of the posture sensor 2 more stable, and a groove 77 is provided on the top surface of the plug-in block 72, and a protrusion 78 is fixedly provided on the side surface of the fixing member 74 located above the plug-in block 72, and the protrusion 78 fits with the groove 77, and the protrusion 78 is used to be inserted in the groove 77, so that the clamping member 75 is clamped in the clamping groove 76 and the protrusion 78 is inserted in the groove 77 of the plug-in block 72, limiting the horizontal direction of the fixing member 74, so that the fixing member 74 is more stable after being installed on the base 71, and the contact between the fixing member 74 and the connecting ear 21 is closer, thereby clamping the connecting ear 21.
[0038] The implementation principle of this embodiment is:
[0039] When collecting data, the user can loosen different bolts 4 to simulate different fault conditions, and obtain different fault location data and fault degree data through the direction of the notch 41 on the bolt 4. At the same time, the posture sensor 2 obtains the posture data of the moving platform 1 at this time, thereby realizing data collection of the moving platform 1.
[0040] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0041] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The description of the above examples is only used to help understand the method and core idea of the utility model; the above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the utility model, and can also combine the above-mentioned technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.
Claims
1. A 3D printing mechanism with data acquisition function, characterized in that: The invention comprises a frame, a fixed platform and a parallel mechanism, wherein the parallel mechanism comprises a moving platform (1), the side of the moving platform (1) is provided with three groups of driving components for driving the moving platform (1) to move, the side of the moving platform (1) is protruded with three evenly distributed extensions (11), each group of the driving components comprises a pair of retractable parallel arms (3), both sides of the extensions (11) are threadedly connected with bolts (4), a sphere (5) is fixedly penetrated on the bolts (4), one end of the parallel arm (3) is sleeved on the sphere (5), the other end of the parallel arm (3) is used to connect with the frame of the 3D printer, the head of the bolt (4) is provided with a notch (41) extending from the center to one side, and a posture sensor (2) is arranged on the moving platform (1).
2. A 3D printing mechanism with data acquisition function according to claim 1, characterized in that: A printing head (6) is arranged at the bottom of the moving platform (1), a material guide pipe (61) is arranged inside the printing head (6), a material feed port of the material guide pipe (61) is located on the side of the upper end of the printing head (6), a nozzle (62) is arranged at the lower end of the printing head (6), and a heating block (63) for hot-melting the raw material is also arranged above the nozzle (62), the material guide pipe (61) passes through the heating block (63) and the material outlet of the material guide pipe (61) is located at the nozzle (62).
3. A 3D printing mechanism with data acquisition function according to claim 2, characterized in that: The printing nozzle (6) specifically includes a connecting portion (64) and a heat dissipation portion (65), the top surface of the connecting portion (64) is connected to the bottom surface of the moving platform (1), the heat dissipation portion (65) is located below the connecting portion (64), the feed port of the material guiding pipe (61) is located on the side of the connecting portion (64), the lower end of the heat dissipation portion (65) is connected to the nozzle (62), the heating block (63) is located between the heat dissipation portion (65) and the nozzle (62), and the material guiding pipe (61) passes through the connecting portion (64), the heat dissipation portion (65), the heating block (63) and the nozzle (62) in sequence.
4. A 3D printing mechanism with data acquisition function according to claim 3, characterized in that: The material guiding pipe (61) located at the connection between the connecting portion (64) and the heat dissipating portion (65) is arranged in an arc shape.
5. The 3D printing mechanism with data acquisition function according to claim 4, characterized in that: The heat dissipation portion (65) is provided with a heat insulation tube (66), and the heat insulation tube (66) wraps the material guiding pipe (61).
6. A 3D printing mechanism with data acquisition function according to claim 5, characterized in that: The lower end of the heat insulation tube (66) extends into the heating block (63).
7. The 3D printing mechanism with data acquisition function according to claim 1, characterized in that: Two mounting seats (7) are arranged on the moving platform (1), connecting ears (21) are arranged on both sides of the posture sensor (2), and connecting holes (22) are opened on the connecting ears (21). The two mounting seats (7) are respectively located on both sides of the posture sensor (2), and the mounting seat (7) includes a base (71) and a plug-in block (72). The base (71) is installed on the moving platform (1), and the plug-in block (72) is fixed on the base (71). The posture sensor (2) is placed on the base (71), and the plug-in block (72) is used to be plugged into the connecting hole (22).
8. The 3D printing mechanism with data acquisition function according to claim 7, characterized in that: The base (71) is provided with a fixing member (74), the fixing member (74) being specifically provided in an L shape, a clamping member (75) being fixedly provided at one end of the fixing member (74), a clamping groove (76) being provided on the base (71), the clamping member (75) being used for clamping in the clamping groove (76), the fixing member (74) and the plug-in block (72) clamping the connecting ear (21), and the other end of the fixing member (74) being used for covering the connecting ear (21).