Extrusion equipment convenient for temperature control

Abstract

The utility model discloses extrusion equipment convenient for temperature control, belongs to the technical field of 3D (three-dimensional) printing, and aims to solve the problems that the temperature of the extrusion equipment is not easy to regulate and control, and printing materials are easy to adhere to the outer wall of a nozzle to form cakes to influence the printing effect. The outer surface of the throat pipe is slidably sleeved with a moving plate, a temperature control mechanism is arranged in the shell, and a cleaning assembly is arranged at the bottom end of the moving plate. The temperature sensor is used for controlling the on and off of the temperature controller switch, the electric heating ring is controlled, the temperature control effect is achieved, the electric push rod is used for pushing the mounting plate to move downwards, the screwing column is rotated to drive the control rod to rotate, the motor is started to drive the scraper to rotate, and the electric push rod is reversely started to drive the mounting plate to ascend. And the problems that the temperature of extrusion equipment is not easy to regulate and control, and printing materials are prone to being stuck to the outer wall of the nozzle to form cakes, so that the printing effect is affected are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to 3D printing technical field, concretely relates to a kind of extrusion equipment convenient for temperature control. BACKGROUND

[0002] 3D printing is a kind of technology based on digital model file, using powder-like metal or plastic and other adhesive materials, to construct objects by layer printing. The consumables of 3D printer usually include PLA, ABS, photosensitive resin, wax-based material, nylon powder, gypsum-like powder and metal powder. Different 3D printers use different materials for printing, and 3D printing extrusion head is a very important part of 3D printer.

[0003] The prior art patent CN215040317U discloses a 3D printer near and remote universal extrusion head. The above-mentioned patent includes an extrusion head body, a throat pipe assembly and a radiator. The extrusion head body is connected to the radiator through the throat pipe assembly. The above-mentioned structure can be installed on a 3D printer for near-range feeding. The extrusion head further includes a remote adapter assembly, which includes an adapter body and a material guide pipe. The adapter body is detachably connected to the end of the radiator away from the extrusion head body. One end of the material guide pipe extends into the interior of the radiator through the adapter body and communicates with the throat pipe assembly. The other end of the material guide pipe is connected to an extrusion driving device. The consumables transmitted by the extrusion driving device can be guided through the material guide pipe, and then the consumables enter the throat pipe to realize remote feeding. However, in actual use, the following problems still exist: from the actual point of view, the heating element on the extrusion head is not easy to control the temperature, and the continuous heating not only affects the melting effect of the wire, but also easily damages the extrusion head itself. Moreover, during printing, the printing material is easy to stick to the outer wall of the nozzle, and if not cleaned in time, the accumulated material will cool down and form hard blocks, affecting the printing effect.

[0004] Therefore, there is a need for an extrusion equipment that is easy to control the temperature, to solve the problem of the existing technology that the extrusion equipment is not easy to control the temperature, and the printing material is easy to stick to the outer wall of the nozzle to form hard blocks affecting the printing effect. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an extrusion equipment that is easy to control the temperature, to solve the problem raised in the background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of extrusion equipment convenient to temperature control, including throat pipe, the outer surface top of the throat pipe is connected with radiator by screw thread, the top center of the radiator is inserted with material guide pipe, the bottom end of the throat pipe is equipped with shower head, the outer surface of the throat pipe is fastened with shell by sleeve joint, the outer surface of the throat pipe is equipped with moving plate by sliding sleeve, the inside of the shell is provided with temperature control mechanism, the bottom end of the moving plate is provided with cleaning assembly.

[0007] The temperature control mechanism includes a heat-conducting block, which is located inside the shell and fastened to the outer surface of the throat pipe, an electric heating ring is installed on the outer surface of the heat-conducting block, the electric heating ring is electrically connected with a temperature controller switch, the temperature controller switch is fixedly connected to one side of the inner surface of the shell, the temperature controller switch is electrically connected with a temperature sensor, and the temperature sensor is fixedly connected to one side of the inner surface of the shell.

[0008] It should be noted in the scheme that the cleaning assembly includes a mounting plate and a clamping groove, one side of the top surface of the mounting plate is fixedly connected with a motor, the output end of the motor is coaxially fixedly connected with a scraper, the other side of the top surface of the mounting plate is fixedly connected with a control rod, the top end of the control rod is slidably penetrated through the top end of the moving plate and coaxially fixedly connected with a screw column, one end of the outer surface of the control rod is fixedly connected with a clamping block, there are two clamping grooves symmetrically distributed, both of the clamping grooves are formed in the top end of the moving plate, and the clamping block is movably inserted into one of the clamping grooves.

[0009] It is further worth mentioning that a locking screw hole is formed in one side of the outer surface of the moving plate, and a locking bolt is threadedly inserted into the locking screw hole.

[0010] It should be further noted that the bottom end of the shell is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with the top end of the moving plate, and the outer surface of the radiator is fastened with a plurality of evenly distributed heat dissipation fins.

[0011] As a preferred embodiment, the top end of the throat pipe is in contact with the bottom end of the material guide pipe, and the outer wall of one side of the locking bolt located in the locking screw hole is in contact with one side of the outer surface of the control rod.

[0012] As a preferred embodiment, the scraper is conical, and the inner surface specification of the scraper is the same as the outer surface specification of the tip of the shower head.

[0013] Compared with the prior art, the extrusion equipment provided by the utility model has at least the following beneficial effects:

[0014] (1) Through the adjustment of the temperature control mechanism, the temperature sensor monitors the temperature of the electric heating ring, when the electric heating ring temperature is high, the temperature sensor controls the temperature controller switch to close, cut off the power supply to the electric heating ring, so that the electric heating ring stops heating, realizes the temperature control effect, effectively avoids the problem that the extrusion equipment is not easy to control temperature.

[0015] (2) Through the cooperation of the cleaning assembly and the electric push rod, the electric push rod drives the mounting plate to move down, rotates the control rod to drive the scraper to rotate, and the electric push rod is started in reverse to drive the mounting plate to rise, so that the scraper scrapes the material adhered to the outer wall of the nozzle, ensures the normal operation of the nozzle, and effectively avoids the problem that the printing material is easily adhered to the outer wall of the nozzle to form a lump and affect the printing effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a radiator front view cross section structure schematic view of the utility model;

[0018] Figure 3 It is a shell front view cross section structure schematic view of the utility model;

[0019] Figure 4 It is a cleaning assembly structure schematic view of the utility model.

[0020] In the drawing: 1, throat pipe; 2, radiator; 3, material guide pipe; 4, nozzle; 5, shell; 6, moving plate; 7, temperature control mechanism; 71, heat conduction block; 72, electric heating ring; 73, temperature controller switch; 74, temperature sensor; 8, cleaning assembly; 81, mounting plate; 82, motor; 83, scraper; 84, control rod; 85, twist column; 86, clamping block; 87, clamping groove; 9, locking screw hole; 10, locking bolt; 11, electric push rod; 12, heat dissipation fin plate. DETAILED DESCRIPTION

[0021] The utility model is further described below in combination with examples.

[0022] Please refer to Figures 1-4 The utility model provides a kind of extrusion equipment of temperature control, including throat pipe 1, the outer surface top of throat pipe 1 is connected with radiator 2 by screw thread, the top center of radiator 2 is inserted with material guide pipe 3, and the bottom end of throat pipe 1 is installed with nozzle 4, and the outer surface of throat pipe 1 is fastened with shell 5 by sleeve connection, and the outer surface of throat pipe 1 is slidably equipped with moving plate 6, and the inside of shell 5 is provided with temperature control mechanism 7, and the bottom end of moving plate 6 is provided with cleaning assembly 8.

[0023] The temperature control mechanism 7 comprises a heat-conducting block 71 which is located inside the shell 5 and tightly sleeved on the outer surface of the throat pipe 1, an electric heating ring 72 is mounted on the outer surface of the heat-conducting block 71, the electric heating ring 72 is electrically connected with a temperature controller switch 73 which is fixedly connected to one side of the inner surface of the shell 5, the temperature controller switch 73 is electrically connected with a temperature sensor 74 which is fixedly connected to one side of the inner surface of the shell 5.

[0024] Further as shown in Figure 1 and Figure 4 described in detail, the cleaning assembly 8 comprises a mounting plate 81 and a clamping groove 87, one side of the top surface of the mounting plate 81 is fixedly connected with a motor 82, the output end of the motor 82 is coaxially fixedly connected with a scraper 83, the other side of the top surface of the mounting plate 81 is fixedly connected with a control rod 84, the top end of the control rod 84 is coaxially fixedly connected with a screw column 85 which is slidingly penetrated through the top end of the moving plate 6, one end of the outer surface of the control rod 84 is fixedly connected with a clamping block 86, the clamping groove 87 is symmetrical and has two, and the two clamping grooves 87 are both arranged on the top end of the moving plate 6, and the clamping block 86 is movably inserted into one of the clamping grooves 87.

[0025] Further as shown in Figure 1 and Figure 4 described in detail, the moving plate 6 is provided with a locking screw hole 9 on one side of the outer surface, and a locking screw 10 is threadedly inserted into the locking screw hole 9.

[0026] Further as shown in Figure 1 described in detail, the shell 5 is fixedly connected with an electric push rod 11 on one side of the bottom end, the output end of the electric push rod 11 is fixedly connected with the top end of the moving plate 6, and a plurality of evenly distributed heat dissipation fin plates 12 are tightly sleeved on the outer surface of the heat sink 2.

[0027] Further as shown in Figure 1 and Figure 2 described in detail, the top end of the throat pipe 1 is in close contact with the bottom end of the material guide pipe 3, which facilitates the wire to enter the throat pipe 1 from the material guide pipe 3, and one side of the outer wall of the locking screw 10 located in the locking screw hole 9 is in abutment with one side of the outer surface of the control rod 84, which facilitates the locking and limiting of the control rod 84.

[0028] Further as shown in Figure 1 and Figure 4 described in detail, the scraper 83 is provided in a sharp conical shape, the inner surface specification of the scraper 83 is the same as the outer surface specification of the tip of the spray head 4, which facilitates the close contact of the scraper 83 with the tip of the spray head 4, and when the scraper 83 rotates, the material adhered to the outer wall of the spray head 4 is scraped off.

[0029] In summary: the extrusion equipment in use, first open the electric heating ring 72, then through the feeding device wire from the material guide pipe 3 is introduced, wire through the material guide pipe 3 into the throat pipe 1 inside, the electric heating ring 72 by heat block 71 on the throat pipe 1 heating, wire through the heated throat pipe 1 is high temperature melting, finally through the nozzle 4 after the melting of wire is sprayed to print work, when the temperature sensor 74 detects the temperature of the electric heating ring 72 is too high, temperature sensor 74 control temperature controller switch 73 off, cut off the power supply to the electric heating ring 72, so that the electric heating ring 72 stop heating, realize the temperature control effect, effectively avoid the extrusion equipment is not easy to temperature control problem.

[0030] When the nozzle 4 needs to be cleaned, first open the electric push rod 11 to push the mounting plate 81 to move down, when the mounting plate 81 moves to the bottom surface and the top surface of the nozzle 4 is attached, the locking bolt 10 is twisted to make one side of the outer wall away from the side of the outer surface of the control rod 84, the limit of the control rod 84 is released, then pull up the twist column 85 to drive the control rod 84 to move up, the control rod 84 moves up to drive the clamping block 86 away from one of the clamping grooves 87, at the same time, the twist column 85 drives the control rod 84 to rotate, so that the clamping block 86 rotates to the other clamping groove 87 directly above, press down the twist column 85 to drive the control rod 84 and the clamping block 86 to move down, so that the clamping block 86 is inserted into the other clamping groove 87, the locking bolt 10 is twisted in reverse to limit the control rod 84, then the motor 82 is started and the electric push rod 11 is controlled in reverse to drive the mounting plate 81 to move up, the motor 82 drives the scraper 83 to rotate, and the material adhered to the outer wall of the nozzle 4 is scraped off, ensuring the normal operation of the nozzle 4, effectively avoiding the problem that the printing material is easily adhered to the outer wall of the nozzle to form a lump and affect the printing effect.

[0031] The electric heating ring 72, the temperature sensor 74, the motor 82 and the electric push rod 11 can be purchased in the market, and the electric heating ring 72, the temperature sensor 74, the motor 82 and the electric push rod 11 are provided with a power supply, which belongs to mature technology in the art and has been fully disclosed, so the description is not repeated.

[0032] Finally, it should be pointed out that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An extrusion apparatus for facilitating temperature control comprising a throat (1) characterised in that: The throat pipe (1) outer surface top thread connection has the radiator (2), the radiator (2) top end center inserts the material guide pipe (3), the throat pipe (1) bottom end is installed the shower head (4), the throat pipe (1) outer surface fastening sleeve connection has the shell (5), the throat pipe (1) outer surface sliding sleeve has the moving plate (6), the shell (5) inside is provided with temperature control mechanism (7), the moving plate (6) bottom end is provided with cleaning assembly (8). The temperature control mechanism (7) includes a heat conducting block (71), the heat conducting block (71) is located in the shell (5) and is fastened to the outer surface of the throat pipe (1), the outer surface of the heat conducting block (71) is provided with an electric heating ring (72), the electric heating ring (72) is electrically connected with a temperature controller switch (73), the temperature controller switch (73) is fixedly connected to one side of the inner surface of the shell (5), and the temperature controller switch (73) is electrically connected with a temperature sensor (74), the temperature sensor (74) is fixedly connected to one side of the inner surface of the shell (5).

2. The temperature controlled extrusion apparatus of claim 1, wherein: The cleaning assembly (8) includes a mounting plate (81) and a clamping groove (87), one side of the top surface of the mounting plate (81) is fixedly connected with a motor (82), the output end of the motor (82) is coaxially fixedly connected with a scraper (83), the other side of the top surface of the mounting plate (81) is fixedly connected with a control rod (84), the top end of the control rod (84) slides through the top end of the moving plate (6) and is coaxially fixedly connected with a twisting column (85), one end of the outer surface of the control rod (84) is fixedly connected with a clamping block (86), the clamping groove (87) is symmetrically distributed, and the clamping groove (87) is provided on the top end of the moving plate (6), and the clamping block (86) is movably inserted into one of the clamping grooves (87).

3. The temperature controlled extrusion apparatus of claim 2, wherein: The outer surface of the moving plate (6) is provided with a locking screw hole (9), and the locking screw hole (9) is provided with a locking screw (10) inserted therein.

4. The temperature controlled extrusion apparatus of claim 3, wherein: The bottom end of the shell (5) is fixedly connected with an electric push rod (11), the output end of the electric push rod (11) is fixedly connected with the top end of the moving plate (6), and the outer surface of the radiator (2) is fastened and sleeved with a plurality of evenly distributed heat dissipation fins (12).

5. The temperature controlled extrusion apparatus of claim 4, wherein: The top end of the throat pipe (1) is attached to the bottom end of the material guide pipe (3), and the outer wall of the locking screw (10) located in the locking screw hole (9) is in contact with one side of the outer surface of the control rod (84).

6. The temperature controlled extrusion apparatus of claim 5, wherein: The scraper (83) is provided in a sharp cone shape, and the inner surface of the scraper (83) has the same specification as the outer surface of the tip of the shower head (4).

Images