A numerically controlled machine tool for making a model of a delrin automobile accessory part, which is convenient for cleaning up the waste

By installing a suction fan and dust hood system on CNC machine tools, the problems of dimensional deviation and wear caused by residual waste chips were solved, achieving efficient waste chip cleaning and improving machining accuracy and production efficiency.

CN224295371UActive Publication Date: 2026-05-29WUHU YUANFANG MODEL TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUHU YUANFANG MODEL TECH CO LTD
Filing Date
2025-05-22
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

During the machining process of existing polystyrene CNC machine tools, residual chips affect the relative position of the tool and the workpiece, leading to dimensional deviations. Furthermore, chip accumulation may enter the transmission components, accelerating wear and affecting accuracy and lifespan. In addition, manual cleaning is time-consuming and labor-intensive, impacting production efficiency.

Method used

A suction fan is installed on one side of the CNC machine tool. The waste generated during processing is collected through a telescopic tube and a dust collection hood. The height of the dust collection hood is adjusted using a sliding connection structure to ensure efficient adsorption of waste and avoid accumulation and safety hazards.

Benefits of technology

It enables timely cleaning of waste chips, avoids dimensional deviations and wear of transmission components, improves processing accuracy and production efficiency, and reduces the burden of manual cleaning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of automobile accessory model numerical control machine tool, concretely relates to a convenient to clean up the waste chip's spandex automobile accessory model numerical control machine tool, including numerical control machine tool body, numerical control machine tool body top sliding connection moving frame, numerical control machine tool body one side top surface connection mounting bracket, mounting bracket top surface installation air suction machine, air suction machine air inlet surface utilizes bolt screw thread connection connecting pipe, connecting pipe other side surface connection waste chip box, the waste chip box inner wall surface is set up the slot, the slot surface inserts the side block, and the side block other side surface connects the filter screen bag. The utility model, through setting up the air suction machine of numerical control machine tool one side, through the flexible pipe and dust absorption cover of being connected to the waste chip that the cutter cutting of moving frame installation produced is adsorbed collection, thereby timely cleaning up the waste chip that cutting produced, avoids the waste chip accumulation in the work area and influences the service life of numerical control machine tool, and increases the work burden to the cleaning personnel.
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Description

Technical Field

[0001] This utility model belongs to the technical field of CNC machine tools for automotive parts models, specifically relating to a polystyrene automotive parts model CNC machine tool that facilitates the cleaning of waste. Background Technology

[0002] The polystyrene automotive parts model CNC machine tool is a professional CNC equipment used for processing foam-type automotive stamping dies; it belongs to the category of light-cutting CNC machine tools. Polystyrene is a foamed plastic formed by adding a foaming agent to polystyrene and then foaming it at high temperature.

[0003] In traditional manual production of automotive mold castings, uneven foam allowances affect processing efficiency and lead to the loss of parts, impacting overall mold quality and production cycle. In 2005, China began experimenting with polystyrene milling, resulting in the development of polystyrene CNC machine tools. Since 2008, this method has been widely adopted in foundries across the country. Companies like Jinan Xinghui CNC have developed such CNC equipment to address the current state of polystyrene manufacturing for stamping dies. This equipment enables full 3D CNC machining of foam molds, improving the quality of mold castings and shortening production cycles. Its high processing speed and stable operation play a crucial role in automotive mold manufacturing and other fields, driving the development of automotive parts production.

[0004] In the existing polystyrene CNC machine tool processing, if polystyrene waste remains on the worktable or in the processing area, it will affect the relative position of the tool and the workpiece, resulting in dimensional deviations. Furthermore, the waste accumulated in the processing area may enter the machine tool's guide rails, lead screws, and other transmission components, accelerating component wear and affecting their transmission accuracy and service life. In addition, manual cleaning of waste is time-consuming and labor-intensive, and requires machine downtime, which affects production efficiency. Utility Model Content

[0005] The purpose of this utility model is to provide a CNC machine tool for polystyrene automotive parts models that facilitates the cleaning of waste chips. This addresses the problems in existing polystyrene CNC machine tool processing where, if polystyrene waste chips remain on the worktable or in the processing area, they can affect the relative position of the tool and workpiece, leading to dimensional deviations. Furthermore, accumulated waste chips in the processing area may enter the machine tool's guide rails, lead screws, and other transmission components, accelerating component wear and affecting their transmission accuracy and service life. Additionally, manual cleaning of waste chips is time-consuming, labor-intensive, and requires machine downtime, impacting production efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a CNC machine tool for easy cleaning of polystyrene automotive parts models, comprising a CNC machine tool body, a movable frame slidably connected to the top of the CNC machine tool body, a mounting frame connected to one side of the top surface of the CNC machine tool body, a suction fan mounted on the top surface of the mounting frame, a connecting pipe connected to the air outlet surface of the suction fan by bolts and threads, a waste bin connected to the other side surface of the connecting pipe, a slot opened on the inner wall surface of the waste bin, a side block inserted into the slot surface, a filter bag connected to the other side surface of the side block, the filter bag surface abutting against the inner wall of the waste bin, a sealing gasket fitted on the top surface of the filter bag, the top of the sealing gasket being adhered to the bottom of the bin cover, the bin cover surface being threadedly connected to the top of the waste bin by fixing bolts, a sealing gasket movably fitted on the inner wall of the upper open end of the waste bin, a threaded pipe connected to the side surface of the waste bin away from the connecting pipe, and a telescopic pipe threadedly connected to the inner wall of the threaded pipe.

[0007] As a preferred embodiment of the polystyrene car parts model CNC machine tool of this utility model, which facilitates the cleaning of waste, the side block has an "L" shaped integrated structure, and the shape and size of the side block are adapted to the slot.

[0008] As a preferred embodiment of the present invention, a CNC machine tool for cleaning polystyrene automotive parts models is provided, wherein a rectangular groove is provided at the bottom of the sealing gasket, and the shape and size of the groove are adapted to the filter screen, and the bottom sides of the sealing gasket are provided with protrusions that are adapted to the slots.

[0009] As a preferred embodiment of the present invention, a CNC machine tool for cleaning polystyrene car parts models is provided, wherein the other side of the telescopic tube is threadedly connected to a threaded connector on one side of the dust collection hood, the top surface of the dust collection hood is connected to a placement box, and a counterweight is fitted into the inner wall of the placement box.

[0010] As a preferred embodiment of the present invention, a CNC machine tool for cleaning polystyrene car parts models is provided, wherein the top surface of the dust collection hood is a slider, the surface of which is slidably connected to the groove on the surface of the adjustment frame, and the other side surface of the adjustment frame is connected to the surface of the movable frame.

[0011] As a preferred embodiment of the present invention, a CNC machine tool for cleaning up polystyrene automotive parts models is provided, wherein a "T"-shaped groove is provided on the surface of the placement box, and the shape and size of the groove are adapted to the counterweight.

[0012] As a preferred embodiment of the present invention, a CNC machine tool for cleaning polystyrene automotive parts models that facilitates the removal of waste, the dust collection hood, slider, and adjusting frame form a sliding connection structure.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] By using a suction fan installed on one side of the CNC machine tool, the waste generated during cutting by the cutting tools mounted on the moving frame is absorbed and collected through the connected telescopic pipe and dust collection hood. This allows for timely cleaning of the waste generated during cutting, preventing the waste from accumulating in the work area and affecting the service life of the CNC machine tool, as well as reducing the workload of cleaning personnel.

[0015] At the same time, the height of the dust hood is adjusted by using a slider that is slidably connected to the adjustment frame, and the counterweight block that is fitted to the dust hood is used to press down the dust hood so that it abuts against the top of the workpiece to be cut, thereby keeping the air outlet at the optimal distance from the processing area, ensuring efficient adsorption of foam debris and dust generated during processing, and avoiding the accumulation of waste debris that affects processing accuracy or causes safety hazards. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a top view of the structure of this utility model;

[0019] Figure 3 This is a schematic cross-sectional view of the waste bin of this utility model;

[0020] Figure 4 This is an enlarged structural diagram of the box cover portion of this utility model;

[0021] Figure 5 This is a cross-sectional exploded view of the dust hood and adjustment frame of this utility model.

[0022] In the diagram: 1. CNC machine tool body; 2. Moving frame; 3. Mounting frame; 4. Fan; 5. Connecting pipe; 6. Waste bin; 7. Slot; 8. Side block; 9. Filter bag; 10. Sealing gasket; 11. Box cover; 12. Fixing bolt; 13. Threaded pipe; 14. Telescopic pipe; 15. Dust hood; 16. Placement box; 17. Counterweight; 18. Slider; 19. Adjustment frame. Detailed Implementation

[0023] 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.

[0024] Please see Figures 1-5 This utility model provides the following technical solution: A CNC machine tool for easy cleaning of polystyrene car parts models, comprising a CNC machine tool body 1, a sliding frame 2 slidably connected to the top of the CNC machine tool body 1, a mounting frame 3 connected to the top surface of one side of the CNC machine tool body 1, a suction fan 4 mounted on the top surface of the mounting frame 3, a connecting pipe 5 connected to the air outlet surface of the suction fan 4 by bolts and threads, a waste bin 6 connected to the other side surface of the connecting pipe 5, a slot 7 opened on the inner wall surface of the waste bin 6, a side block 8 inserted into the surface of the slot 7, a filter bag 9 connected to the other side surface of the side block 8, the surface of the filter bag 9 abutting against the inner wall of the waste bin 6, and a sealing gasket 10 fitted onto the top surface of the filter bag 9. The top of the sealing gasket 10 is bonded to the bottom of the box cover 11. The surface of the box cover 11 is threadedly connected to the top of the waste bin 6 using the fixing bolt 12. The sealing gasket 10 is movably sleeved on the inner wall of the upper open end of the waste bin 6. The surface of the waste bin 6 away from the connecting pipe 5 is connected to the threaded pipe 13. The inner wall of the threaded pipe 13 is threadedly connected to the telescopic pipe 14. In this design, the CNC machine tool body 1 and the moving frame 2 constitute the main body of the polystyrene car parts model CNC machine tool. A large number of related components are set in the main body of the polystyrene car parts model CNC machine tool. Since they are existing technologies and the core content of this technical solution is irrelevant to them, they will not be described in detail in this technical solution.

[0025] The main model of the polystyrene car parts model CNC machine tool in this solution is: foam CNC machine tool polystyrene engraving machine.

[0026] In use: The computer control system (CNC) reads pre-programmed 3D machining programs (such as automotive part model data designed by CAD / CAM software) and converts them into motion commands for each axis of the machine tool. The movable frame 2 on top of the machine tool carries the spindle and cutting tools (such as milling cutters and engraving cutters). Driven by a servo motor, precise linkage of the X, Y, and Z axes is achieved through transmission mechanisms such as linear guides and ball screws. During machining, the cutting tools mill, engrave, or cut the polystyrene foam blank placed on the worktable according to the programmed path. Excess material is removed through high-speed cutting by the rotating cutting tools, ultimately completing the automated and high-precision forming of the automotive part model, meeting the needs of automotive mold casting, parts prototyping, and other scenarios.

[0027] Preferably, the side block 8 is an L-shaped integrated structure, and the shape and size of the side block 8 are adapted to the slot 7.

[0028] In practical use, the side blocks 8 connected to both sides of the filter bag 9 are inserted and fixed to the slot 7, thereby fixing the position of the filter bag 9 on the inner wall of the waste bin 6, which facilitates the interception and collection of waste absorbed in the waste bin 6.

[0029] Preferably, the bottom of the sealing gasket 10 has a rectangular groove, and the shape and size of the groove are adapted to the filter bag 9. The bottom sides of the sealing gasket 10 have protrusions that are adapted to the slots 7.

[0030] In practical use, the groove at the bottom of the sealing gasket 10 is fitted onto the top of the filter bag 9, while the rubber protrusions on both sides of the bottom of the sealing gasket 10 are inserted into the slot 7, thereby filling the gap between the waste bin 6 and the cover 11, maintaining the airtightness of the waste bin 6, and thus ensuring the collection effect of waste.

[0031] Preferably, the other side of the telescopic tube 14 is threadedly connected to a threaded connector on one side of the dust hood 15, the top surface of the dust hood 15 is connected to the placement box 16, and the inner wall of the placement box 16 is fitted with a counterweight 17.

[0032] In practical use, the telescopic tube 14, which is threadedly connected between the threaded tube 13 and the dust collection hood 15, is used to transfer the collected waste to the waste collection box 6. At the same time, the telescopic tube 14 can be quickly disassembled and replaced.

[0033] Preferably, the top surface of the dust cover 15 has a slider 18, the surface of which is slidably connected to the groove on the surface of the adjustment frame 19, and the other side surface of the adjustment frame 19 is connected to the surface of the movable frame 2.

[0034] In practical use, the "T"-shaped groove on the surface of the adjustment frame 19 is used to limit the position of the slider 18 on it, so that the height of the dust hood 15 can be adjusted vertically under the restriction of the adjustment frame 19, which makes it convenient to control the distance between the dust hood 15 and the blade on one side of the moving frame 2.

[0035] Preferably, a "T"-shaped groove is formed on the surface of the placement box 16, and the shape and size of the groove are adapted to the counterweight 17.

[0036] In practical use, the groove on the placement box 16 is used to fix the counterweight 17 in its position, thereby increasing the weight of the dust cover 15 and making it easier to press down the dust cover 15 with gravity so that it abuts against the top of the polystyrene car parts model material.

[0037] Preferably, the dust cover 15, the slider 18, and the adjustment bracket 19 form a sliding connection structure.

[0038] In practical use, before starting processing, the height of the dust cover 15 is adjusted by sliding the slider 18 connected to the top of the dust cover 15 upwards on the groove on the surface of the adjustment frame 19.

[0039] Working principle: When machining polystyrene automotive parts models using the CNC machine tool body 1, the raw materials to be used are placed on the machining area of ​​the CNC machine tool body 1. Then, the counterweight 17 is fitted and inserted into the placement box 16, so that the dust suction hood 15 slides downward on the slide groove opened on the surface of the adjusting frame 19 under the action of gravity through the slider 18 until the bottom of the dust suction hood 15 abuts against the polystyrene automotive parts model raw materials. At this time, the suction fan 4 can be started. In this design, the suction fan 4 is an existing equipment: Siemens FC fan FC. 063. Restart the CNC machine tool body 1 to drive the slidingly connected moving frame 2 to move according to the pre-programmed three-dimensional machining program. The tool mounted on the moving frame 2 cuts the polystyrene automotive parts model material placed on the CNC machine tool body 1. The debris generated during cutting is collected by a dust suction hood 15 slidably connected to the side of the tool on the moving frame 2. The collected debris enters the waste debris box 6 through a connected telescopic tube 14. Since the telescopic tube 14 is an elastic and expandable pipe, it can extend and retract with the movement of the moving frame 2. The collected debris in the waste debris box 6 is then blocked by a filter screen 9 inserted and fixed inside the waste debris box 6. The process involves cutting off the waste material to prevent it from being discharged by the suction of the blower 4. Simultaneously, the sealing gasket 10, fitted between the sealing gasket 10 and the top opening of the waste material box 6, fills the gap between the waste material box 6 and the box cover 11, preventing the waste material box 6 from being poorly sealed and affecting waste material collection. After processing is completed and the CNC machine tool body 1 stops running, the fixing bolt 12 threaded between the waste material box 6 and the box cover 11 is unscrewed, allowing the sealing gasket 10 fitted between the waste material box 6 and the filter bag 9 to be removed. Then, the filter bag 9 inserted into the waste material box 6 is removed to clean the collected waste material, facilitating timely cleaning of waste material generated during subsequent processing.

[0040] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A CNC machine tool for easy cleaning of polystyrene automotive parts models, comprising a CNC machine tool body (1), characterized in that: The top of the CNC machine tool body (1) is slidably connected to a movable frame (2). A mounting frame (3) is connected to the top surface of one side of the CNC machine tool body (1). A suction fan (4) is mounted on the top surface of the mounting frame (3). The air outlet surface of the suction fan (4) is connected to a connecting pipe (5) using bolts and threads. A waste bin (6) is connected to the other side surface of the connecting pipe (5). A slot (7) is opened on the inner wall surface of the waste bin (6). A side block (8) is inserted into the surface of the slot (7). A filter bag (9) is connected to the other side surface of the side block (8). The surface of the filter bag (9) abuts against the inner wall of the waste bin (6). The top surface of the filter bag (9) is fitted with a sealing gasket (10). The top of the sealing gasket (10) is adhered to the bottom of the box cover (11). The surface of the box cover (11) is threadedly connected to the top of the waste bin (6) using a fixing bolt (12). The inner wall of the upper opening end of the waste bin (6) is movably fitted with the sealing gasket (10). The surface of the waste bin (6) away from the connecting pipe (5) is connected to a threaded pipe (13). The inner wall of the threaded pipe (13) is threadedly connected to a telescopic pipe (14).

2. The CNC machine tool for easy cleaning of polystyrene automotive parts models according to claim 1, characterized in that: The side block (8) is an L-shaped integrated structure, and the shape and size of the side block (8) are adapted to the slot (7).

3. The CNC machine tool for easy cleaning of polystyrene automotive parts models according to claim 2, characterized in that: The sealing gasket (10) has a rectangular groove at the bottom, and the shape and size of the groove are adapted to the filter bag (9). The sealing gasket (10) has protrusions on both sides at the bottom that are adapted to the slots (7).

4. The CNC machine tool for easy cleaning of polystyrene automotive parts models according to claim 1, characterized in that: The other side of the telescopic tube (14) is threaded to the threaded connector on one side of the dust hood (15). The top surface of the dust hood (15) is connected to the placement box (16), and the inner wall of the placement box (16) is fitted with a counterweight (17).

5. The CNC machine tool for easy cleaning of polystyrene automotive parts models according to claim 4, characterized in that: The top surface of the dust cover (15) has a slider (18), the surface of which is slidably connected to the groove on the surface of the adjustment frame (19), and the other side surface of the adjustment frame (19) is connected to the surface of the movable frame (2).

6. The CNC machine tool for easy cleaning of polystyrene automotive parts models according to claim 5, characterized in that: The surface of the placement box (16) has a "T" shaped groove, and the shape and size of the groove are adapted to the counterweight (17).

7. A CNC machine tool for cleaning up waste from polystyrene automotive parts models according to claim 6, characterized in that: The dust cover (15), slider (18) and adjustment bracket (19) form a sliding connection structure.