Desktop wire extruder

Abstract

The utility model relates to desktop wire rod extruder technical field, concretely for desktop wire rod extruder, it is convenient to control use automatically fast, including feeding unit, extrusion unit, cooling unit, line diameter control unit, winding unit, main control unit and frame, and feeding unit sets up in the top of frame, and extrusion unit sets up in the bottom of feeding unit, and cooling unit sets up in the left part and right part of the bottom end of extrusion unit, and line diameter control unit sets up in the rear end of frame, and winding unit sets up in the right part of the bottom end of main control unit, and main control unit sets up in the top end front part of frame.

Description

Technical Field

[0001] This utility model relates to the technical field of desktop wire extruders, specifically desktop wire extruders. Background Technology

[0002] As is well known, with the popularization of 3D printing technology, desktop 3D printers are gradually entering homes, offices, and laboratories. 3D printing filaments (such as PLA and ABS) are key materials for 3D printing and are usually produced by large factories. However, existing desktop filament extruders suffer from problems such as complex operation, cumbersome production processes, and low levels of automation, making it difficult to meet users' needs for simplified and intelligent production. This poses a certain challenge for ordinary users, especially beginners, and limits the widespread application of the equipment.

[0003] Existing desktop wire extruders cannot achieve one-click production. They require separate control and adjustment of each unit during operation, which makes the operation process cumbersome. Therefore, we propose a desktop wire extruder to solve the above problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides an easy-to-use desktop wire extruder.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a desktop wire extruder, comprising a feeding unit, an extrusion unit, a cooling unit, a wire diameter control unit, a winding unit, a main control unit, and a frame. The feeding unit is located at the top of the frame, the extrusion unit is located at the bottom of the feeding unit, the cooling unit is located at the bottom left and bottom right of the extrusion unit, the wire diameter control unit is located at the rear end of the frame, the winding unit is located at the bottom right of the main control unit, and the main control unit is located at the top front of the frame.

[0008] Furthermore, an improvement of this utility model is that the feeding unit includes a hopper and a material shortage detection sensor, with the hopper located at the top of the feeding unit.

[0009] Furthermore, an improvement of this invention is that the winding unit includes a winding device, a wire guide device, and a wire reel.

[0010] Based on the above, the improvement of this utility model is that the winding device includes a winding shaft, a winding shaft motor, and a high-precision grating tooth device.

[0011] Furthermore, the improvements of this utility model include that the cooling unit, wire diameter control unit, winding device, and wire guide device are all controlled by the main control unit to form a closed-loop control.

[0012] Furthermore, the improvement of this utility model is that the main control unit includes a microprocessor and an interactive screen.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, the present invention provides a desktop wire extruder, which has the following advantages:

[0015] This desktop wire extruder, by including a feeding unit 1, an extrusion unit 2, a cooling unit 3, a wire diameter control unit 4, a winding unit 5, a main control unit 6, and a frame 7, enables one-click production, simplifies the operation process, and enhances the user experience. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the axial side structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the axial side structure of this utility model from another angle;

[0018] Figure 3 This is a schematic diagram of the axial side structure of this utility model from another angle;

[0019] Figure 4 This is a schematic diagram of the structure of the cooling unit 3 of this utility model;

[0020] Figure 5 This is a rear view of the present invention;

[0021] Figure 6 This is a schematic diagram of the wire diameter control unit 4 of this utility model;

[0022] Figure 7 This is a schematic diagram of the axial side structure of this utility model from another angle;

[0023] Figure 8 This is a schematic diagram of the structure of the winding unit 5 of this utility model;

[0024] Figure 9 This is a schematic diagram of the control unit of this utility model. 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. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-9 The desktop wire extruder of this utility model includes a feeding unit, an extrusion unit, a cooling unit, a wire diameter control unit, a winding unit, a main control unit, and a frame. The feeding unit is located at the top of the frame, the extrusion unit is located at the bottom of the feeding unit, the cooling unit is located at the bottom left and bottom right of the extrusion unit, the wire diameter control unit is located at the rear end of the frame, the winding unit is located at the bottom right of the main control unit, and the control unit is located at the top front of the frame.

[0027] The feeding unit 1 includes a hopper 101 and a material shortage detection sensor 102. The hopper 101, located at the top of the feeding unit 1, has a funnel-shaped structure. Its large opening facilitates the addition of raw materials, such as plastic granules. The smooth inner wall of the hopper 101 effectively reduces friction during the material's descent, ensuring smooth downward flow. The capacity of the hopper 101 is carefully designed to meet production needs for a certain period, reducing the inconvenience of frequent refills. The material shortage detection sensor 102 is installed at a specific location within the hopper 101, typically near the bottom. This sensor monitors the remaining amount of material in the hopper 101. When the material in the hopper 101 decreases to a set minimum threshold, the material shortage detection sensor 102 immediately detects this and rapidly transmits a signal to the control unit 6, displaying a warning on the interactive screen and emitting an audible alert. Furthermore, if the material shortage detection sensor 102 detects a material shortage during production and sends feedback to the main control unit 6, the main control unit 6 will pause production. To prevent users from stopping production due to failure to add raw materials in a timely manner, users can set a time limit after detecting a material shortage before stopping production.

[0028] Extrusion unit 2 includes an extrusion motor 201, an extruder barrel 202, an extrusion screw 203, an extrusion nozzle 204, a heating device 205, a temperature measuring device 206, a synchronous belt 207, and a synchronous pulley 208. The extrusion motor 201 is the power source of extrusion unit 2. The extrusion motor 201 transmits power to the extrusion screw 203 through the synchronous belt 207 and the synchronous pulley 208. This transmission method using the synchronous belt 207 and the synchronous pulley 208 has advantages such as high transmission efficiency, smooth transmission, and low noise, ensuring that the extrusion screw 203 achieves stable and precise power. The rotational speed ensures uniform feeding of the raw material during the extrusion process. The extruder barrel 202, extrusion screw 203, and extrusion nozzle 204 are all vertically positioned below the hopper 101. At least one heating device 205 and a temperature measuring device 206 are installed on the outside of the extruder barrel 202, so that the material, after being fed into the extruder barrel 202 by the extrusion screw 203, can form a heating temperature curve, and the temperature is fed back to the main control unit 6 through the temperature measuring device 206. The temperature of each section can be adjusted in real time to allow the material to better blend in the extruder barrel 202. The vertical layout ensures uniform feeding of the raw material falling from the hopper 101. The material can directly enter the extruder barrel 202, utilizing gravity to assist in material transport, reducing the risk of blockage during transport. The extrusion screw 203 is located inside the extruder barrel 202, and the two work closely together. The extruder barrel 202 provides a closed working space for the extrusion screw 203, allowing the material to move forward along the inner wall of the extruder barrel 202 under the screw's thrust. Furthermore, the extrusion screw 203 extrudes at a stable speed according to the type and parameters of the wire being produced, resulting in better product quality. The extrusion nozzle 20... 4. Installed at the discharge end of the extruder barrel 202, when the molten raw material reaches the extrusion nozzle 204 under the push of the extrusion screw 203, the circular channel of the extrusion nozzle 204 will shape the raw material. Since the diameter of the channel of the extrusion nozzle 204 is precise and the inner wall is smooth, the raw material can be uniformly extruded from the extrusion nozzle 204, thereby ensuring the precise roundness of the extruded wire 100. At the same time, the length and taper of the extrusion nozzle 204 are carefully designed to optimize the flow speed and pressure of the raw material, further improving the roundness accuracy of the wire 100.

[0029] Cooling unit 3 is located below extrusion nozzle 204 to cool the extruded wire 100. Cooling fan 301 cools the wire 100 by blowing air. The cooling fan 301 is evenly distributed on both sides of extrusion nozzle 204, generating a stable and uniform airflow. This ensures that the wire 100 reaches a suitable temperature before entering wire diameter control unit 4. A wire 100 sensor device 302 is located below cooling unit 3. Sensor device 302 consists of a transmitter 302f and a receiver 302s. It is a position measurement sensor for a specific area. The lowest position 302a and the highest position 302b of the sensor device 302 can be adjusted by the control unit 6. When the extrusion unit 2 extrudes the wire 100 through the lowest set position 302a of the sensor device 302, the wire diameter control unit 4 and the winding unit 5 will speed up the measurement and adjust the wire diameter and winding speed. Conversely, when the extrusion unit 2 extrudes the wire 100 through the highest set position 302b of the sensor device 302, the wire diameter control unit 4 and the winding unit 5 will reduce the measurement and adjust the wire diameter and winding speed, thereby achieving linear control and preventing the wire from being extruded too much or too little.

[0030] The wire diameter control unit 4 includes a wire diameter measuring device 401 and a wire diameter adjustment device 403. The wire diameter measuring device 401 consists of at least two U-groove bearings 401a and a wire diameter sensor 401b. The U-groove bearings 401a ensure the stability of the wire 100 when it enters the wire diameter measuring device 401, thus guaranteeing the accuracy of the measurement. The wire diameter adjustment device 403 consists of a tension roller motor 402, a tension roller 405, and an encoder roller 404. The main control unit 6 can adjust the tension roller motor 402 of the wire diameter adjustment device 403 in real time based on the wire diameter data fed back from the wire diameter measuring device 401, thereby speeding up or decreasing the speed of the tension roller 405, and thus adjusting the wire diameter to a preset value in real time. For example, the wire 100 extruded from the extrusion nozzle 204 reaches a suitable temperature after preliminary cooling by the cooling unit 3. Then, the user manually feeds the wire 100 into the wire diameter measuring device 401 to detect the wire diameter of the wire 100 in real time. The measurement data is transmitted to the main control unit 6 in real time. The main control unit 6 compares and analyzes the actual wire diameter data with the target wire diameter. If the actual wire diameter is greater than the target wire diameter, the main control unit 6 will issue a command to increase the rotation speed of the tension roller 405 on the wire diameter adjustment device 403 to increase the tension force on the wire 100, thereby making the wire diameter reach the preset standard. Conversely, if the actual wire diameter is less than the target wire diameter, the rotation speed of the tension roller 405 will decrease, thereby reducing the tension force. This real-time automatic control ensures that the produced wire 100 has a uniform and stable wire diameter. Furthermore, the encoder roller 404 on the wire diameter adjustment device 403 can accurately calculate the length of the produced consumables by rotating, thus determining the production quantity.

[0031] The winding unit 5 includes a winding device 501, a wire guide device 502, and a wire spool 503. The winding device 501 consists of a winding shaft 504, a winding motor 510, and a high-precision grating tooth device 508. The winding shaft 504 is used to fix the wire spool 503 and wind the winding wire 100. The winding motor 510 provides power for the rotation of the winding shaft 504 through a synchronous pulley and synchronous belt 507, which can precisely adjust the speed of the winding shaft 504. The high-precision grating tooth device 508 is installed on the winding shaft 504 and consists of a sensor 508a and grating teeth 508b. When the winding shaft 504 rotates... The grating teeth 508b rotate simultaneously and indirectly block the sensor 508a, thus accurately detecting the rotation angle and number of turns of the spool 504. The wire guide device 502 consists of a wire guide block 505, a wire guide screw 506, a wire guide motor 509, and a fixed optical axis 511. When the high-precision grating tooth device 508 feeds back to the main control unit 6 after the spool 504 rotates, the wire guide block 505 on the wire guide device 502 is moved by the screw 506 and the wire guide motor 509 according to the rotation angle, thereby achieving precise wire laying and realizing the neat laying of the wire 100 on the spool 503.

[0032] The sensor device 302, wire diameter control unit 4, reel device 501, and wire guide device 502 are all controlled by the control unit 6 to form a closed-loop control, which can automatically adjust the working status according to the production speed and the storage status of wire 100.

[0033] For example, when the wire 100 is at the trigger wire of the highest position 302b of the sensor device 302, the main control unit 6 controls the tension roller motor 402 in the wire diameter control unit 4 to drive the tension roller 405 to slow down the speed. At the same time, the encoder roller 404 will also slow down the speed. At this time, the main control unit 6 will send a command to the reel motor 510 to slow down the winding speed. That is, the high-precision grating tooth device 508 set on the reel 504 slows down the speed, thereby slowing down the movement of the guide block 505 on the guide device 502, ensuring that the wire 100 is neatly arranged on the reel 503.

[0034] In the main control unit 6, the speed of the tension roller motor 402 is set to be slower than the speed of the winding motor 510 in order to ensure that the wire is in a tight state and will not loosen when winding the wire.

[0035] For example, when the speed of the tension roller motor 402 is "1", meaning the speeds of the tension roller 405 and encoder roller 404 are also "1", the main controller, upon receiving feedback from the encoder roller 404 that its speed is also "1", will send a signal command to the winding motor 510 to increase its speed. This accelerates the winding of the wire 100, causing the encoder roller 404's speed to exceed "1". At this point, the wire is taut, and the encoder roller 404 also increases its speed due to friction, creating a speed difference. However, because of the high precision of the encoder roller 404's measurement, this speed difference is within the range of 0.001. It will not affect the wire diameter 100 or the interference between the tension roller motor 402 and the winding motor 510.

[0036] When the wire 100 in the wire spool 503 is about to reach the production completion value, that is, when the length of the wire 100 obtained by the encoder roller 404 on the wire diameter control unit 4 is the same as the length of the wire 100 to be produced calculated from the preset material and weight data before production, the control unit 6 will stop the extrusion unit 2 and the winding unit 5, thereby completing the production task.

[0037] The main control unit 6 includes a microprocessor 602 and an interactive screen 601. The main control unit 6 is the core brain of the entire desktop 3D wire extruder. It is connected to various unit devices such as the feeding unit 1, extrusion unit 2, cooling unit 3, wire diameter control unit 4, and winding unit 5 via wires. It possesses powerful data processing and coordination control capabilities, enabling centralized control and real-time monitoring of the entire equipment. This ensures the efficient and stable operation of the one-button production function. After the production task is completed, it records and stores all key data from the production process, such as production time, temperature curve, wire diameter changes, winding speed, and tension fluctuations, forming detailed production data files. This data can be used for subsequent production management, quality analysis, and process optimization, helping users continuously improve production efficiency and product quality. Simultaneously, the main control unit also summarizes and evaluates the equipment's operating status to prepare for the next production run.

[0038] In summary, when using this desktop wire extruder, the user selects the required size of the take-up reel 503 according to actual needs, and manually controls the wire guide block 505 of the wire guide device 502 to move back and forth through the interactive screen 601, so that the main control unit 6 knows the width of the installed consumable wire reel 503 to provide a basis for subsequent winding.

[0039] On the interactive screen 601, the user selects the type of wire 100 to be produced (such as PLA, ABS, etc.) and sets key production parameters such as target wire diameter, production speed, and winding length. The main control unit 6 stores these parameters in its internal memory as the basis for controlling the subsequent production process. At the same time, the interactive screen 601 will automatically recommend suitable default parameters based on the type of wire 100 selected by the user, and the user can also make fine adjustments according to actual needs.

[0040] After pressing the "One-Click Production" button, the main control unit 6 first performs a comprehensive self-check on each unit device. It checks whether the hopper 101 of the feeding unit 1 has sufficient raw materials and whether the material shortage detection sensor 102 is working properly; it checks the connection and status of the heating device 205, temperature measuring device 206, extrusion motor 201, synchronous belt 207, and synchronous pulley 208 of the extrusion unit 2; it checks the fan 301 of the cooling unit; and it checks whether the wire diameter measuring sensor 402b and wire diameter adjustment device 403 of the wire diameter control unit 4, and the winding motor 510 and guide motor 509 of the winding unit 5 are in normal working condition. If any abnormality is found, the main control unit 6 will immediately display the corresponding fault information on the operation interface and issue an alarm to remind the user to carry out maintenance.

[0041] After the self-test is passed, the feeding unit 1 will send a no-material signal to the main control unit 6. If the material balance is close to the set threshold, the main control unit 6 will remind the user to add material and adjust the speed of the extrusion unit 2, wire diameter control unit 4, and winding unit 5 according to the production speed to ensure continuous and stable production.

[0042] While the feeding unit 1 starts detecting whether there is material being fed, the main control unit 6 starts the heating device 205 of the extrusion unit 2. According to the preset material type and production parameters, combined with the real-time temperature information fed back by the temperature measuring device 206, the power of the heating device 205 is precisely controlled so that the temperature in the extrusion barrel 202 gradually rises and stabilizes within a suitable range. When the temperature reaches the set value, the main control unit 6 starts the extrusion motor 201, which drives the extrusion screw 203 to rotate in the extrusion barrel 202 through the synchronous belt 207 and the synchronous pulley 208. The extrusion screw 203 pushes the raw material from the feeding unit 1 forward and stirs, compresses and melts it, so that the raw material is extruded through the extrusion nozzle 204 to form wire 100.

[0043] Once the wire 100 emerges from the extrusion nozzle 204, the main control unit 6 immediately activates the fan 301 of the cooling unit 3. The fan 301 begins to cool the wire 100 with air. The extrusion unit 2 extrudes the wire 100 from the extrusion nozzle 204 at an appropriate speed, ensuring that the wire 100 is sufficiently cooled during its passage through the cooling unit 3, thus guaranteeing the safety of the user when manually feeding the wire 100 into the wire diameter control unit 4.

[0044] After the extrusion unit 2 extrudes the wire 100 and it is cooled by the cooling unit 3, it is manually delivered by the user to the wire diameter control unit 4. The wire sensor device 302 located under the cooling unit 3 sends a signal back to the main control unit 6, which then issues a command to the wire diameter control unit 4 to start working. Next, the wire diameter sensor 402b detects the wire diameter of the wire 100 in real time and quickly transmits the measurement data to the main control unit 6. The main control unit compares and analyzes the actual measured wire diameter value with the preset target wire diameter and calculates the wire diameter deviation. If the actual wire diameter is greater than the target wire diameter, the main control unit 6 will issue a command, and the tension roller motor 402 on the wire diameter adjustment device 403 will drive the tension roller 405 to increase the speed and increase the tension force on the wire 100, so that the wire diameter reaches the preset standard. Conversely, if the actual wire diameter is less than the target wire diameter, the tension roller 405 will decrease the speed and decrease the tension force, thereby achieving real-time automatic control to ensure that the produced wire 100 has a uniform and stable wire diameter. At the same time, the encoder roller 404 calculates the material length in real time and feeds the data back to the main control unit 6 so that the main control unit 6 can grasp the production progress and facilitate users to understand the production progress and process in real time.

[0045] After passing through the wire diameter control unit 4, the wire enters the wire 100 winding unit. Since the sensor device 302, wire diameter control unit 4, winding device 501, and wire guide device 502 are all controlled by the control unit 6 to form a closed-loop control, the working status can be automatically adjusted according to the production speed and the storage status of the wire 100.

[0046] For example, when the wire is at the lowest position 302a of the sensor device 302, the control unit 6 controls the tension roller motor 402 in the wire diameter control unit 4 to drive the tension roller 405 to increase its speed. At the same time, the encoder roller 404 will also increase its speed. At this time, the main control unit 6 will send a command to the reel motor 510 to increase the winding speed. That is, the high-precision grating tooth device 508 set on the reel 504 will increase its speed, thereby the guide block 505 on the guide device 502 will move faster, ensuring that the wire 100 is neatly arranged on the reel 503.

[0047] For example, when the wire is at the highest position 302b of the sensor device 302, the main control unit 6 controls the tension roller motor 402 in the wire diameter control unit 4 to drive the tension roller 405 to slow down the speed. At the same time, the encoder roller 404 will also slow down the speed. At this time, the main control unit 6 will send a command to the reel motor 510 to slow down the winding speed. That is, the high-precision grating tooth device 508 set on the reel 504 slows down the speed, thereby slowing down the movement of the guide block 505 on the guide device 502, ensuring that the wire 100 is neatly arranged on the reel 503.

[0048] In the main control unit 6, the speed of the stretching roller motor 402 is set to be slower than the speed of the winding motor 510 in order to ensure that the wire is in a tight state and will not loosen or knot when winding the wire.

[0049] For example, when the speed of the stretching roller motor 402 is "1", that is, the speeds of the stretching roller 405 and the encoder roller 404 are also "1", the main controller will send a signal command to the winding motor 510 to increase the speed when it learns from the feedback of the encoder roller 404 that the speed of the encoder roller 404 is also "1". At this time, the wire is tightened, and the encoder roller 404 also increases its speed under friction, thus forming a speed difference. Of course, because of the high precision of the encoder roller 404, the speed difference is within a very small range and will not affect the wire diameter 100 or the interference between the stretching roller motor 402 and the winding motor 510.

[0050] When the raw material in the hopper 101 decreases to the set minimum threshold, the material shortage detection sensor 102 will immediately detect this situation and quickly transmit the signal to the control unit 6, displaying a warning message on the interactive screen 601 and issuing a warning sound. If the material shortage detection sensor 102 detects a material shortage during production and feeds back to the main control unit 6, the main control unit 6 will suspend production. To avoid the user stopping production due to failure to add raw materials in time, the user can set how long after a material shortage is detected before stopping production.

[0051] When the wire 100 in the wire reel 503 is about to reach the production completion value, that is, when the length of the wire 100 obtained by the encoder roller 404 on the wire diameter control unit 4 is the same as the length of the wire 100 to be produced calculated from the preset material and weight data before production, the control unit 6 will stop extrusion and other unit commands, thereby completing the production task.

[0052] The main control unit 6 records and stores all key data during the production process, such as production time, temperature curve, wire diameter change, winding speed, and tension fluctuation, forming a detailed production data file. This data can be used for subsequent production management, quality analysis, and process optimization, helping users to continuously improve production efficiency and product quality. At the same time, the main control unit 6 will also summarize and evaluate the operating status of the equipment to prepare for the next production run.

[0053] The control method of this utility model is to control the device by manually starting and stopping the switch. The wiring diagram of the power element and the supply of power are common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and wiring layout will not be explained in detail.

[0054] To better illustrate this embodiment, some parts in the accompanying drawings may be omitted, enlarged, or reduced, and do not represent the actual product dimensions.

[0055] Furthermore, unless otherwise defined, the technical or scientific terms used in this application description shall have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms "upper," "lower," "left," "right," "center," "vertical," "horizontal," "inner," and "outer," etc., used in this application description to indicate relative direction or positional relationship are used only to indicate relative orientation or positional relationship, and do not imply that the device or component must have a specific orientation, or be constructed and operated in a specific orientation. When the absolute position of the described object changes, its relative positional relationship may also change accordingly, and therefore should not be construed as a limitation on this application. The terms "first," "second," "third," and similar terms used in this application description are used only for descriptive purposes to distinguish different components, and should not be construed as indicating or implying relative importance. The terms "a," "one," or "the," etc., used in this application description should not be construed as an absolute limitation on quantity, but should be construed as indicating the existence of at least one. The terms "including," "comprising," etc., used in this application description mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects.

[0056] Furthermore, it should be noted that, unless otherwise explicitly specified and limited, terms such as “installation,” “connection,” and “linkage” used in the description of this application should be interpreted broadly. For example, a connection can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; or it can be a connection within two components. Those skilled in the art can understand its specific meaning in this application according to the specific circumstances.

[0057] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A desktop wire extruder, characterized in that: The device includes a feeding unit (1), an extrusion unit (2), a cooling unit (3), a wire diameter control unit (4), a winding unit (5), a main control unit (6), and a frame (7). The feeding unit (1) is located at the top of the frame (7), the extrusion unit (2) is located at the bottom of the feeding unit (1), the cooling unit (3) is located at the bottom left and bottom right of the extrusion unit (2), the wire diameter control unit (4) is located at the rear end of the frame (7), the winding unit (5) is located at the bottom right of the main control unit (6), and the main control unit (6) is located at the top front of the frame (7).

2. The desktop wire extruder according to claim 1, characterized in that: The feeding unit (1) includes a hopper (101) and a material shortage detection sensor (102), with the hopper (101) located on top of the feeding unit (1).

3. The desktop wire extruder according to claim 1, characterized in that: The winding unit (5) includes a winding device (501), a wire guide device (502), and a wire reel (503).

4. The desktop wire extruder according to claim 3, characterized in that: The reel device (501) includes a reel (504), a reel motor (510), and a high-precision grating tooth device (508).

5. The desktop wire extruder according to claim 4, characterized in that: The cooling unit (3), wire diameter control unit (4), winding device (501), and wire guide device (502) are all controlled by the main control unit (6) to form a closed-loop control.

6. The desktop wire extruder according to claim 1, characterized in that: The main control unit (6) includes a microprocessor (602) and an interactive screen (601).

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