Temperature monitoring device for 3D printer

Abstract

The utility model discloses a temperature monitoring device for a 3D printer, and relates to the technical field of temperature monitoring devices.The temperature monitoring device comprises a bearing chassis, a loading seat is integrally formed at the upper end of the bearing chassis, a central stand column is integrally formed in the loading seat, and a printing platform is arranged above the central stand column; the hollow inner groove is formed in the center stand column, a disc electromagnet is fixedly arranged in the hollow inner groove through nail-free glue, an iron base plate is arranged at the upper end of the disc electromagnet in an adsorption connection mode, the iron base plate is rotationally connected with the hollow inner groove in a limiting mode, and a connecting plate is integrally formed at the upper end of the iron base plate; the temperature detection device solves the problem that an existing temperature detection device detects the surface temperature of a formed product through an arranged infrared thermal imaging mechanism, but infrared thermal imaging is very sensitive to the influence of temperature, humidity and other gases, so that the imaging quality can be influenced under unsuitable environmental conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to temperature monitoring device technical field, concretely is a temperature monitoring device for 3D printer. BACKGROUND

[0002] 3D printer, also known as three-dimensional printer, is a kind of process equipment of rapid prototyping, 3D printer, at least 215 degrees above temperature of consumables extruded from extruder in the running process of 3D printer, at this time consumables are still hot, soft, can be easily molded into different shapes, so that the printed article will remain high temperature.

[0003] For example, the announcement number is: CN210375430U (named a 3D printer forming surface temperature detection device), including laser 3D additive manufacturing platform, STM32 data acquisition communication system is arranged above laser 3D additive manufacturing platform;STM32 data acquisition communication system is connected with raspberry pi platform through TTL circuit serial communication line;Raspberry pi platform is connected with liquid crystal display through HDMI high-definition multimedia interface line, adopts image acquisition system, utilizes high-resolution infrared sensor array MLX90640 as temperature detection sensor through I2C communication, utilizes STM32 single-chip microcomputer to carry out data acquisition control and data communication to MLX90640, carries out serial communication with raspberry pi through TTL level, realizes receiving the MLX90640 image collected by STM32 in raspberry pi;So it has the advantages of real-time acquisition of the surface thermal image of processing workpiece, formation modularization, easy docking, adopts infrared imager to detect the surface temperature of forming product, utilizes raspberry pi to display through liquid crystal display.As additional detection device, the device has the characteristics of not affecting the normal work of original laser 3D printer in temperature detection process.

[0004] The above-mentioned temperature detection device detects the surface temperature of the forming product by the infrared thermal imaging mechanism, but the infrared thermal imaging is very sensitive to temperature and humidity and other gases, and the imaging quality will be affected under unsuitable environmental conditions, therefore, we provide a temperature monitoring device for 3D printer. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a temperature monitoring device for 3D printer to solve the problem that the existing temperature detection device detects the surface temperature of the forming product by the infrared thermal imaging mechanism, but the infrared thermal imaging is very sensitive to temperature and humidity and other gases, causing the imaging quality to be affected under unsuitable environmental conditions.

[0006] To achieve the above object, the utility model provides the following technical scheme: A temperature monitoring device for 3D printer, including bearing chassis, the upper end of bearing chassis is integrally formed with loading seat, the inside of loading seat is integrally formed with center stand, the top of center stand is provided with printing platform;

[0007] Also includes:

[0008] Hollow inner groove is arranged in the inside of the center stand, and the inside of the hollow inner groove is fixed with a disc electromagnet through a nail-free adhesive, the upper end of the disc electromagnet is connected with an iron chassis through adsorption, the iron chassis is limitingly connected with the hollow inner groove in rotation, and the upper end of the iron chassis is integrally formed with a connecting disc;

[0009] The top center position of the connecting disc is provided with a top joint shaft, and the outer wall of one side of the top joint shaft is integrally formed with an extension rod, and the inside of the extension rod is movably provided with a receiving inner rod, and one end of the receiving inner rod is integrally formed with a movable connecting rod;

[0010] The upper end of the movable connecting rod is integrally formed with a support platform, and the upper end of the support platform is fixed with an electric push rod through a screw, and the top position of the electric push rod piston rod is welded with a support plate;

[0011] A temperature display is fixed on the outer wall of the support plate through a nail-free adhesive, and a monitoring probe is inserted into the temperature display.

[0012] Preferably, the front end face of the center stand is provided with a power-on switch, the output end of the power-on switch is electrically connected with the input end of the disc electromagnet, and the input end of the power-on switch is provided with an electric plug.

[0013] Preferably, the outer wall of the support plate is integrally formed with a perforated seat, and the monitoring probe is fixedly connected with the perforated seat through a nail-free adhesive.

[0014] Preferably, one side of the electric push rod is provided with a mobile power supply, and the output end of the mobile power supply is electrically connected with the input end of the electric push rod.

[0015] Preferably, one end of the receiving inner rod is integrally formed with an anti-dropping block, and the size of the anti-dropping block is greater than the perforated hole diameter of one end of the extension rod.

[0016] Preferably, the outer wall of the bearing chassis is provided with two mounting hole plates, and the two mounting hole plates are an integral structure with the bearing chassis.

[0017] Preferably, two support rods are arranged between the printing platform and the bearing chassis, and the two ends of the two support rods are respectively welded with the printing platform and the bearing chassis.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] This invention pushes back the electric push rod and support plate, and connects them via a rotating iron chassis inside the hollow inner groove. This allows the electric push rod to rotate and adjust to the position of the printed product. After adjustment, the electric push rod drives the support plate and monitoring probe to descend to the contact position with the printed product. The monitoring probe touches the printed product first, and the temperature display shows the temperature detected by the monitoring probe. This allows the operator to know the temperature of the printed product in advance and determine whether it is safe to handle it. The entire process takes place inside the 3D printer's chamber, unaffected by external environmental factors. This overcomes the problem that existing temperature detection devices use infrared thermal imaging mechanisms to detect the surface temperature of the molded product, but infrared thermal imaging is very sensitive to temperature, humidity, and other gases, causing image quality to be affected under unsuitable environmental conditions. Attached Figure Description

[0020] Figure 1 This is a rear view of the structure of the temperature monitoring device for a 3D printer according to this utility model;

[0021] Figure 2 This is a front view of the structure of the temperature monitoring device for a 3D printer according to this utility model;

[0022] Figure 3 This is a schematic diagram of the connection structure between the movable link and the extension rod of this utility model;

[0023] Figure 4 This is a schematic diagram of the connection structure between the connecting plate and the central column of this utility model;

[0024] In the diagram: 1. Carrying chassis; 2. Loading seat; 3. Printing platform; 4. Support rod; 5. Mounting hole plate; 6. Central column; 7. Connecting plate; 8. Top connecting shaft; 9. Power plug; 10. Extension rod; 11. Movable connecting rod; 12. Support platform; 13. Mobile power supply; 14. Electric push rod; 15. Support plate; 16. Temperature display; 17. Monitoring probe; 18. Power switch; 19. Perforated seat; 20. Storage inner rod; 21. Anti-detachment block; 22. Hollow inner groove; 23. Disc electromagnet; 24. Iron chassis. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Please see Figures 1-4The utility model provides a kind of temperature monitoring device for 3D printer, including bearing chassis 1, the upper end of bearing chassis 1 is integrally formed with loading seat 2, the inside of loading seat 2 is integrally formed with center column 6, and the upper of center column 6 is provided with printing platform 3;

[0027] Further comprising:

[0028] Hollow inner groove 22 is arranged in the inside of center column 6, and the inside of hollow inner groove 22 is fixed with disc electromagnet 23 by nail-free glue, and the upper end of disc electromagnet 23 is connected with iron chassis 24 by adsorption, and the upper end of iron chassis 24 is integrally formed with connecting disc 7;

[0029] Top contact shaft 8 is arranged on the top center position of connecting disc 7, and extension rod 10 is integrally formed on the outer wall of one side of top contact shaft 8, and receiving inner rod 20 is movably arranged in the inner cavity of extension rod 10, and one end of receiving inner rod 20 is integrally formed with movable connecting rod 11;

[0030] Support platform 12 is integrally formed on the upper end position of movable connecting rod 11, and electric push rod 14 is fixed on the upper end of support platform 12 by screw, and support base plate 15 is welded on the top position of the piston rod of electric push rod 14;

[0031] Temperature display 16 is fixed on the outer wall of support base plate 15 by nail-free glue, and monitoring probe 17 is inserted on the upper end of temperature display 16.

[0032] When using, temperature monitoring device is installed to the inside position of machine bin of 3D printer by installing bolt to mounting hole plate 5, and printing work is carried out on printing platform 3, when printing, electric push rod 14 and support base plate 15 are moved away from printing platform 3 by the guiding telescopic movement of receiving inner rod 20 in the inner cavity of extension rod 10, after printing, electric push rod 14 and support base plate 15 are pushed back, and electric push rod 14 is rotated and positioned by the rotary connection of iron chassis 24 in the inner cavity of hollow inner groove 22, after adjusting to the position of printing finished product, support base plate 15 and monitoring probe 17 are lowered to the contact position of printing finished product by electric push rod 14, so that monitoring probe 17 touches printing finished product first, the temperature monitored by monitoring probe 17 is displayed on temperature display 16, so that the temperature of printing finished product can be known by staff in advance, whether printing finished product can be contacted and taken is judged, and staff is prevented from being scalded, temperature display 16 and monitoring probe 17 form temperature sensor structure, and the model is DL-M11C.

[0033] Please refer to Figure 2 And Figure 4, the front end surface of the center column 6 is provided with a power-on switch 18, the output end of the power-on switch 18 is electrically connected with the input end of the disc electromagnet 23, the input end of the power-on switch 18 is provided with an electricity connection plug 9, the power-on switch 18 provided on the front end surface of the center column 6 plays a role of controlling the disc electromagnet 23 to start and stop power supply, please refer to Figure 2 , the outer wall of the support plate 15 is integrally provided with a perforated seat 19, the monitoring probe 17 is fixedly connected with the perforated seat 19 through a nail-free glue, the perforated seat 19 integrally provided on the outer wall of the support plate 15 plays a role of facilitating the erection and installation of the monitoring probe 17, please refer to Figure 1 , the side of the electric push rod 14 is provided with a mobile power supply 13, the output end of the mobile power supply 13 is electrically connected with the input end of the electric push rod 14, the mobile power supply 13 provided on the side of the electric push rod 14 plays a role of power supply for the electric push rod 14, please refer to Figure 3 , one end of the receiving inner rod 20 is integrally provided with an anti-dropping block 21, the size of the anti-dropping block 21 is greater than the perforated hole diameter of one end of the extension rod 10, the anti-dropping block 21 integrally provided at one end of the receiving inner rod 20 plays a role of avoiding the receiving inner rod 20 from separating from the internal cavity of the extension rod 10, please refer to Figure 1 , the outer wall of the bearing chassis 1 is provided with two mounting hole plates 5, the two mounting hole plates 5 are both integrated structures with the bearing chassis 1, the two mounting hole plates 5 provided on the outer wall of the bearing chassis 1 play a role of assisting the installation of the temperature monitoring device into the internal cavity of the 3D printer, please refer to Figure 1 , the printing platform 3 and the bearing chassis 1 are provided with two support rods 4, the two ends of the two support rods 4 are respectively welded with the printing platform 3 and the bearing chassis 1, the two support rods 4 provided between the printing platform 3 and the bearing chassis 1 play a role of supporting and connecting the printing platform 3 and the bearing chassis 1.

[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A temperature monitoring device for a 3D printer, comprising a bearing chassis (1), the upper end of the bearing chassis (1) is integrally formed with a loading seat (2), the inside of the loading seat (2) is integrally formed with a center column (6), and the upper end of the center column (6) is provided with a printing platform (3); characterized in that Further comprising: A hollow inner groove (22) is arranged in the inside of the center column (6), and the inside of the hollow inner groove (22) is fixedly provided with a disc electromagnet (23) through a nail-free glue, the upper end of the disc electromagnet (23) is connected and arranged in an adsorbed manner with an iron chassis (24), the iron chassis (24) is rotationally connected with the hollow inner groove (22) in a limiting manner, and the upper end of the iron chassis (24) is integrally formed with a connecting disc (7); A top contact shaft (8) is arranged at the top center position of the connecting disc (7), and an extension rod (10) is integrally formed on one side outer wall of the top contact shaft (8), a receiving inner rod (20) is movably arranged in the inner cavity of the extension rod (10), and one end of the receiving inner rod (20) is integrally formed with a movable connecting rod (11); A support platform (12) is integrally formed at the upper end position of the movable connecting rod (11), and a motor push rod (14) is fixedly arranged at the upper end of the support platform (12) through a screw, and a support plate (15) is welded at the top position of the piston rod of the motor push rod (14); A temperature display (16) is fixedly arranged on the outer wall of the support plate (15) through a nail-free glue, and a monitoring probe (17) is insertedly arranged at the upper end of the temperature display (16). 2.The temperature monitoring device for a 3D printer according to claim 1, wherein: A power-on switch (18) is arranged on the front end face of the center column (6), the output end of the power-on switch (18) is electrically connected with the input end of the disc electromagnet (23), and the input end of the power-on switch (18) is provided with an electric plug (9). 3.The temperature monitoring device for a 3D printer according to claim 1, wherein: A perforated seat (19) is integrally formed on the outer wall of the support plate (15), and the monitoring probe (17) is fixedly connected with the perforated seat (19) through a nail-free glue. 4.The temperature monitoring device for a 3D printer of claim 1, wherein: A mobile power supply (13) is arranged on one side of the motor push rod (14), and the output end of the mobile power supply (13) is electrically connected with the input end of the motor push rod (14). 5.The temperature monitoring device for a 3D printer of claim 1, wherein: One end of the receiving inner rod (20) is integrally formed with an anti-dropping block (21), and the size of the anti-dropping block (21) is greater than the perforated hole diameter of one end of the extension rod (10). 6.The temperature monitoring device for a 3D printer of claim 1, wherein: Two mounting hole plates (5) are arranged on the outer wall of the bearing chassis (1), and the two mounting hole plates (5) are an integral structure with the bearing chassis (1). 7.The temperature monitoring device for a 3D printer according to claim 1, wherein: Two support rods (4) are arranged between the printing platform (3) and the bearing chassis (1), and the two ends of the two support rods (4) are respectively welded with the printing platform (3) and the bearing chassis (1).

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