Chip removal auxiliary mechanism for CNC machining

The waste conveying assembly, which combines spiral conveyor blades and cleaning brushes, solves the problem of filter screen clogging in the waste bin of CNC milling machines, achieving efficient separation of waste materials and recycling of rinsing fluid, thus improving processing efficiency and safety.

CN223588891UActive Publication Date: 2025-11-25SUZHOU OUBAOLI MASCH TECH CO LTD
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Patent Information

Application Number
CN202422010591.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-19
Publication Date
2025-11-25
Estimated Expiration
2034-08-19

AI Technical Summary

Technical Problem

In existing technologies, the waste bin filter of CNC milling machines is prone to clogging, which affects the separation of waste and water, and the rinsing fluid cannot be efficiently filtered and purified, making recycling difficult.

Method used

The conveying assembly, which combines spiral conveyor blades and cleaning brushes, promptly cleans impurities from the filter screen. Combined with a water pump and spray system, it achieves efficient separation of waste materials and recycling of the flushing liquid.

Benefits of technology

It improves filtration efficiency, reduces labor intensity, extends filter life, saves resources, and ensures the cleanliness and safety of the processing area.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a chip removal auxiliary mechanism for CNC (computer numerical control) machining, which belongs to the technical field of numerical control and is characterized by comprising a machining cabinet, a workbench is arranged on the rear side of the top of the machining cabinet, a support is arranged on the rear side of the top of the machining cabinet, and a movable lifter is arranged at the bottom of the support. An electric milling cutter is arranged at the bottom of the movable lifter, a U-shaped filter screen is connected to the inner side of the front side of the top of the machining cabinet in a bolted mode, and an impurity conveying assembly is arranged in the U-shaped filter screen. Waste can be conveyed to a discharge valve in time through a spiral conveying blade in the impurity conveying assembly, the situation that the waste is accumulated and blocked at the U-shaped filter screen is avoided, and the filtering efficiency is improved; according to the device, waste and water are effectively separated, manual intervention is not needed, the working efficiency is improved, the labor intensity is reduced, filtered water or oil is recycled through cooperation of the water pump, the conveying pipe and the multi-position spraying pipe, resources are saved, and the production cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control technical field especially relates to a chip removal auxiliary mechanism of CNC processing. BACKGROUND

[0002] The workpiece needs to be clamped on different clamps when the CNC milling machine carries out the milling machining of the workpiece, and the clamp is usually fixed with the workbench of the CNC milling machine. The iron filings generated in the milling process will scatter on the surface of the workbench of the numerical control milling machine and need to be cleaned in time.

[0003] The cleaning effect of the traditional numerical control milling machine workbench cleaning equipment is not very good. When cleaning the iron filings on the workbench, it is always not thorough, especially the grooves on the surface of the workbench are difficult to clean completely. If the cleaning is not complete for a long time, the iron filings will accumulate in the grooves of the numerical control milling machine workbench, making it difficult to install the clamp stably, causing the clamp to loosen during milling, which may damage the clamp and tool, and even cause the clamp to fly out, posing a threat to the safety of the operator.

[0004] The existing patent (publication number: CN209050489U) discloses a CNC milling machine, which comprises a base, a workbench and a support. The front side of the upper surface of the workbench is provided with a machining table, and three baffles are arranged on the upper surface of the workbench to surround the machining table. The side of the workbench without the baffle is connected with a waste collection box, and a high-pressure water gun is arranged on the baffle opposite to the waste collection box. The utility model patent is a CNC milling machine. The iron filings generated during the milling process of the CNC milling machine are blocked on the workbench by the baffles, so as not to scatter on the ground and cause pollution. The milling machine processing waste is flushed into the waste collection box by the high-pressure water gun, and is collected, saving labor, saving the CNC milling machine workbench, prolonging its service life.

[0005] In view of the above problems, the existing patent provides a solution. However, when the milling machine processing waste is flushed into the waste collection box by the high-pressure water gun in the above-mentioned patent, the filter screen in the waste collection box will be blocked when filtering the impurities in the waste, affecting the separation effect of the waste and water, and also reducing the filtering efficiency. In addition, the oil or water used to flush the waste cannot be efficiently filtered and purified, which is not conducive to direct recycling.

[0006] Therefore, a chip removal auxiliary mechanism for CNC processing is proposed. UTILITY MODEL CONTENTS

[0007] The utility model discloses a CNC processing's chip removal auxiliary mechanism can solve the problem of the above-mentioned patent through high pressure water gun and be washed to the waste material collection tank in the waste material box inside when milling machine processing waste material, when the filter screen in the waste material box inside filters the impurity in the waste material, the filter screen will be blocked, and the separation effect of waste material and moisture is influenced, and also can reduce the filtering efficiency, and the oil or water used for washing waste material can not be filtered and purified efficiently, thereby being not favorable for direct recycling.

[0008] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a CNC processing's chip removal auxiliary mechanism, including processing cabinet, the rear of processing cabinet top is provided with workstation, the rear of processing cabinet top is provided with support, the bottom of support is provided with mobile lifter, the bottom of mobile lifter is provided with electric milling cutter, the inside of workstation top front side is bolted with U filter screen, the inside of U filter screen is provided with impurity removal subassembly, the bottom of U filter screen is provided with auxiliary cleaning subassembly, the inside of processing cabinet front side is slidably connected with receiving screen, the left side of processing cabinet is connected with drain valve, the left side of drain valve is located in U filter screen, the left side of processing cabinet is provided with pullout miscellaneous collection box, the rear of processing cabinet is bolted with water pump, the suction end of water pump is connected in the rear of processing cabinet, the output end of water pump is connected with delivery pipe, the top of delivery pipe penetrates the rear of support, the top of workstation is provided with multi -position spray pipe, the rear of multi -position spray pipe is connected with the front side of delivery pipe,

[0009] The impurity removal subassembly includes the drive motor bolted on the right side of processing cabinet, the output end of drive motor penetrates the right side of processing cabinet, the output end of drive motor is bolted with the axle rod, the outer side of axle rod is fixedly connected with spiral conveying blade, the bottom of spiral conveying blade is in contact with the bottom side in the inside of U filter screen, and the left side of spiral conveying blade is located at the right side of drain valve.

[0010] Preferably, the auxiliary cleaning subassembly includes the reciprocating motor bolted on the right side of the processing cabinet, the output end of the reciprocating motor penetrates the right side of the processing cabinet, the output end of the reciprocating motor is bolted with the lead screw, and the left side of the lead screw is rotatably connected to the left side inside the processing cabinet.

[0011] Preferably, the surface of the lead screw is threadedly connected with a moving sleeve, and the moving sleeve is located at the bottom of the U filter screen.

[0012] Preferably, the inside of the moving sleeve is bolted with a cleaning brush, and the top of the cleaning brush is in contact with the bottom of the U filter screen.

[0013] Preferably, the front side of the receiving screen is bolted with a pull handle, and the front side of the pull handle is arc-shaped on both sides.

[0014] Preferably, the surface of the pull handle is provided with anti-slip lines, and the anti-slip lines are grid-shaped.

[0015] Preferably, the top of the processing cabinet is bolted with a baffle on both sides, and the baffle is located outside the workbench.

[0016] Preferably, the bottom of the processing cabinet is bolted with a support leg at the four corners, and the bottom of the support leg is welded with a base.

[0017] Compared with the prior art, the CNC machining chip removal auxiliary mechanism has the beneficial effects that:

[0018] 1. The spiral conveying blade in the impurity conveying assembly can timely convey the waste to the drain valve, avoid the waste from being accumulated and blocked at the U filter screen, improve the filtering efficiency, ensure the effective separation of the waste and moisture, and improve the work efficiency and reduce the labor intensity without manual intervention.

[0019] 2. The impurities at the bottom of the U filter screen are cleaned by the timing-driven auxiliary cleaning assembly, and the fallen impurities fall into the inside of the receiving net, so as to ensure the cleanliness of the inside of the processing cabinet and the permeability of the U filter screen, prolong the service life of the filter screen, and when the pull-out collection box and the receiving net need to be cleaned, they can be pulled out from the processing cabinet for cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure diagram of the CNC machining chip removal auxiliary mechanism.

[0021] Figure 2 It is a structure diagram of the processing cabinet.

[0022] Figure 3 It is a structure diagram of the U filter screen.

[0023] Figure 4 It is a structure diagram of the impurity conveying assembly.

[0024] Figure 5 It is a structure diagram of the auxiliary cleaning assembly.

[0025] In the figure, 1 is a processing cabinet, 2 is a workbench, 3 is a support, 4 is a mobile lifter, 5 is an electric milling cutter, 6 is a U filter screen, 7 is an impurity conveying assembly, 701 is a driving motor, 702 is a shaft, 703 is a spiral conveying blade, 8 is an auxiliary cleaning assembly, 801 is a reciprocating motor, 802 is a screw rod, 803 is a moving sleeve, 804 is a cleaning brush, 9 is a receiving net, 10 is a drain valve, 11 is a pull-out collection box, 12 is a water pump, 13 is a conveying pipe, 14 is a multi-position spray pipe, 15 is a pull handle, 16 is a baffle, and 17 is a support leg. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides technical scheme:

[0028] A CNC processing's chip removal auxiliary mechanism, including processing cabinet 1, the rear side of processing cabinet 1 top is provided with workbench 2, the rear side of processing cabinet 1 top is provided with support 3, the bottom of support 3 is provided with mobile lifter 4, the bottom of mobile lifter 4 is provided with electric milling cutter 5, the inside of the front side of processing cabinet 1 top is bolted with U filter screen 6, the inside of U filter screen 6 is provided with impurity conveying assembly 7, the bottom of U filter screen 6 is provided with auxiliary cleaning assembly 8, the inside of the front side of processing cabinet 1 is slidably connected with receiving screen 9, the left side of processing cabinet 1 is communicated with drain valve 10, drain valve 10 is located at the left side of U filter screen 6, the left side of processing cabinet 1 is provided with pull-out miscellaneous box 11, the rear side of processing cabinet 1 is bolted with water pump 12, the suction end of water pump 12 is communicated at the rear side of processing cabinet 1, the output end of water pump 12 is communicated with delivery pipe 13, the top of delivery pipe 13 penetrates the rear side of support 3, the top of workbench 2 is provided with multi-position spray pipe 14, the rear side of multi-position spray pipe 14 is communicated with the front side of delivery pipe 13.

[0029] Impurity conveying assembly 7 includes the drive motor 701 bolted on the right side of processing cabinet 1, the output end of drive motor 701 penetrates the right side of processing cabinet 1, the output end of drive motor 701 is bolted with shaft 702, the outside of shaft 702 is fixedly connected with spiral conveying blade 703, the bottom of spiral conveying blade 703 is in contact with the bottom side inside U filter screen 6, the left side of spiral conveying blade 703 is located at the right side of drain valve 10.

[0030] In the embodiment, the workpiece on the workbench 2 is machined by the electric milling cutter 5 under the control of the moving lifter 4, a large amount of cutting chips and waste are generated during the machining process, at the same time, the water pump 12 at the rear side of the machining cabinet 1 is started, the flushing liquid in the machining cabinet 1 is sucked through the suction end of the water pump 12 and is delivered to the delivery pipe 13 from the output end, the flushing liquid in the delivery pipe 13 flows upward and passes through the rear side of the support 3 to the multi-position spray pipe 14 on the top of the workbench 2, the multi-position spray pipe 14 sprays the flushing liquid to the machining area at different angles and directions to flush the cutting chips and waste generated during machining, the flushed cutting chips and waste flow to the inner U-shaped filter screen 6 on the top of the front side of the machining cabinet 1 under the driving of the flushing liquid, the U-shaped filter screen 6 filters the cutting chips and waste, so that the flushing liquid passes through the filter screen, and the cutting chips and waste are left on the U-shaped filter screen 6, at this time, the driving motor 701 on the right side of the machining cabinet 1 is started, the output end of the driving motor 701 drives the shaft rod 702 to rotate, the spiral conveying blade 703 on the outer side of the shaft rod 702 rotates, since the bottom of the spiral conveying blade 703 is in contact with the bottom side of the inside of the U-shaped filter screen, when the spiral conveying blade 703 rotates, the cutting chips and waste on the filter screen are conveyed to the left side, when the cutting chips and waste are conveyed to the left side of the spiral conveying blade 703, since the left side of the spiral conveying blade 703 is located on the right side of the discharge valve 10, the cutting chips and waste are discharged from the machining cabinet 1 through the discharge valve 10 under the pushing of the spiral conveying blade 703 and fall into the pull-out collection box 11 on the left side of the machining cabinet 1, and the auxiliary cleaning assembly 8 on the bottom of the U-shaped filter screen 6 performs auxiliary cleaning of the filter screen to prevent the filter screen from being blocked and ensure the filtering effect, at the same time, the flushing liquid filtered through the U-shaped filter screen 6 returns to the machining cabinet 1 again, is extracted again by the water pump 12 and is recycled, the receiving screen 9 slidably connected inside the front side of the machining cabinet 1 can catch the small cutting chips or impurities leaked from the U-shaped filter screen, further ensuring the cleanliness inside the machining cabinet 1, when the pull-out collection box 11 and the receiving screen 9 need to be cleaned, they can be pulled out from the machining cabinet 1 for cleaning.

[0031] Specifically, as shown in Figure 5 , the auxiliary cleaning assembly 8 comprises a reciprocating motor 801 bolted to the right side of the machining cabinet 1, the output end of the reciprocating motor 801 penetrates the right side of the machining cabinet 1, and the output end of the reciprocating motor 801 is bolted with a lead screw 802, and the left side of the lead screw 802 is rotationally connected to the left side inside the machining cabinet 1.

[0032] Specifically, as shown in Figure 5 , the surface of the lead screw 802 is threadedly connected with a moving sleeve 803, and the moving sleeve 803 is located on the bottom of the U-shaped filter screen 6.

[0033] Specifically, as shown in Figure 5 , the inside of the moving sleeve 803 is bolted with a cleaning brush 804, and the top of the cleaning brush 804 is in contact with the bottom of the U-shaped filter screen 6.

[0034] In the embodiment, the reciprocating motor 801 is started, the output end of the reciprocating motor 801 drives the lead screw 802 connected thereto to rotate, the left side of the lead screw 802 is rotatably connected to the left side in the processing cabinet 1, the lead screw 802 can stably rotate in the processing cabinet 1, and the moving sleeve 803 threadedly connected to the surface of the lead screw 802 starts to move along the lead screw 802 under the rotating action of the lead screw 802. When the lead screw 802 rotates forward, the moving sleeve 803 moves in one direction, and when the lead screw 802 reversely rotates, the moving sleeve 803 moves in the opposite direction. In this way, the moving sleeve 803 reciprocates under the control of the lead screw 802. The cleaning brush 804 connected to the inside of the moving sleeve 803 moves back and forth on the bottom of the U filter screen 6 due to the contact between the top of the cleaning brush 804 and the bottom of the U filter screen 6. The cleaning brush 804 cleans the accumulated waste on the bottom of the U filter screen 6, prevents the waste from blocking the pores of the U filter screen 6, ensures that the U filter screen 6 always maintains good filtering performance, and enables the filtered washing liquid to smoothly pass through the U filter screen 6 back to the processing cabinet 1 to be extracted and circulated by the water pump 12 again.

[0035] Specifically, as shown in Figure 1 、 Figure 2 , the front side of the receiving net 9 is connected with a pull handle 15, and the front side of the pull handle 15 is arc-shaped.

[0036] Specifically, as shown in Figure 1 、 Figure 2 , the surface of the pull handle 15 is provided with anti-skid lines, which are grid-shaped.

[0037] In the embodiment, the pull handle 15 is connected to the front side of the receiving net 9, so that the operator can easily pull the receiving net 9 out of the inside of the front side of the processing cabinet 1, and clean the fine waste or impurities collected on the receiving net 9. In addition, the anti-skid lines on the surface of the pull handle 15 are grid-shaped, which increases the friction between the pull handle 15 and the operator's hands.

[0038] Specifically, as shown in Figure 1 、 Figure 2 , the processing cabinet 1 is provided with a baffle 16 on both sides of the top, and the baffle 16 is located outside the workbench 2.

[0039] Specifically, as shown in Figure 1 , the bottom of the processing cabinet 1 is provided with a support leg 17 at each corner, and the bottom of the support leg 17 is welded with a base.

[0040] In this embodiment: the baffle plates 16 bolted on both sides of the top of the processing cabinet 1 are located outside the workbench 2, which plays a protective role. During the CNC processing, the waste and flushing liquid generated by the processing may splash around, and the baffle plates 16 can effectively block these splashes to prevent the waste and flushing liquid from splashing out of the processing cabinet 1, keeping the environment around the processing area clean. The supporting legs 17 bolted on the four corners of the bottom of the processing cabinet 1 provide stable support for the processing cabinet 1, ensuring that the processing cabinet 1 does not sway or tilt during processing.

[0041] Working principle: in the process of using the chip removal auxiliary mechanism of CNC machining, the workpiece on the workbench 2 is processed by the electric milling cutter 5 under the control of the moving lifter 4, a large amount of cutting chips and waste will be generated in the processing process, at the same time, the water pump 12 at the rear side of the processing cabinet 1 is started, the flushing liquid in the processing cabinet 1 is sucked through the suction end and delivered to the delivery pipe 13 from the output end, the flushing liquid in the delivery pipe 13 flows upward and passes through the rear side of the support 3 to the multi-position spray pipe 14 on the top of the workbench 2, the multi-position spray pipe 14 sprays the flushing liquid to the processing area at different angles and directions, and the cutting chips and waste generated in the processing are washed, the washed cutting chips and waste flow to the inside of the U filter screen 6 on the top of the front side of the processing cabinet 1 under the driving of the flushing liquid, the U filter screen 6 filters the cutting chips and waste, so that the flushing liquid passes through the filter screen, while the cutting chips and waste remain on the U filter screen 6, at this time, the driving motor 701 on the right side of the processing cabinet 1 is started, the output end of the driving motor 701 drives the shaft rod 702 to rotate, the spiral conveying blade 703 on the outside of the shaft rod 702 rotates, since the bottom of the spiral conveying blade 703 is in contact with the bottom side of the inside of the U filter screen, when the spiral conveying blade 703 rotates, the cutting chips and waste on the filter screen will be conveyed to the left side, when the cutting chips and waste are conveyed to the left side of the spiral conveying blade 703, since the left side of the spiral conveying blade 703 is located on the right side of the discharge valve 10, the cutting chips and waste will be discharged from the processing cabinet 1 through the discharge valve 10 under the pushing of the spiral conveying blade 703, and fall into the pullout miscellaneous box 11 on the left side of the processing cabinet 1, and the timing start reciprocating motor 801 is started, the output end of the reciprocating motor 801 drives the screw rod 802 connected thereto to rotate, since the left side of the screw rod 802 is rotationally connected to the left side inside the processing cabinet 1, the screw rod 802 can stably rotate in the processing cabinet 1, the moving sleeve 803 threadedly connected to the surface of the screw rod 802 starts to move along the screw rod 802 under the rotating action of the screw rod 802, when the screw rod 802 rotates forward, the moving sleeve 803 moves in one direction, when the screw rod 802 reversely rotates, the moving sleeve 803 moves in the opposite direction, in this way, the moving sleeve 803 makes reciprocating motion under the control of the screw rod 802, the cleaning brush 804 inside the moving sleeve 803 is connected to the bottom of the U filter screen 6 due to the contact of the top with the bottom of the U filter screen 6, with the reciprocating motion of the moving sleeve 803, the cleaning brush 804 brushes back and forth on the bottom of the U filter screen 6, the brushing action of the cleaning brush 804 can sweep away the waste accumulated on the bottom of the U filter screen 6, prevent the waste from blocking the pores of the U filter screen 6, and ensure that the U filter screen 6 always maintains good filtering performance, so that the filtered flushing liquid can smoothly pass through the U filter screen 6 back to the processing cabinet 1, so as to be extracted and recycled by the water pump 12 again, in this process, the receiving net 9 slidingly connected inside the front side of the processing cabinet 1 can catch the small cutting chips or impurities leaked from the U filter screen, further ensuring the cleanliness of the inside of the processing cabinet 1, when it is necessary to clean the pullout miscellaneous box 11 and the receiving net 9, they can be pulled out from the processing cabinet 1 for cleaning.

[0042] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A chip removal auxiliary mechanism for CNC machining, comprising a machining cabinet (1), characterized in that: A workbench (2) is provided on the rear side of the top of the processing cabinet (1). A support (3) is provided on the rear side of the top of the processing cabinet (1). A movable lifting device (4) is provided at the bottom of the support (3). An electric milling cutter (5) is provided at the bottom of the movable lifting device (4). A U-shaped filter (6) is bolted to the inner side of the front side of the top of the processing cabinet (1). A waste conveying component (7) is provided inside the U-shaped filter (6). An auxiliary cleaning component (8) is provided at the bottom of the U-shaped filter (6). A receiving mesh (9) is slidably connected to the inner side of the front side of the processing cabinet (1). A drain valve (10) is connected to the left side of the U-filter (6). A pull-out collection box (11) is provided on the left side of the processing cabinet (1). A water pump (12) is bolted to the rear side of the processing cabinet (1). The absorption end of the water pump (12) is connected to the rear side of the processing cabinet (1). The output end of the water pump (12) is connected to a delivery pipe (13). The top of the delivery pipe (13) passes through the rear side of the support (3). A multi-position nozzle (14) is provided on the top of the workbench (2). The rear side of the multi-position nozzle (14) is connected to the front side of the delivery pipe (13). The conveying assembly (7) includes a drive motor (701) bolted to the right side of the processing cabinet (1). The output end of the drive motor (701) passes through the right side of the processing cabinet (1). A shaft (702) is bolted to the output end of the drive motor (701). A spiral conveying blade (703) is fixedly connected to the outside of the shaft (702). The bottom of the spiral conveying blade (703) contacts the bottom side inside the U-filter (6). The left side of the spiral conveying blade (703) is located to the right of the drain valve (10).

2. The chip removal auxiliary mechanism for CNC machining according to claim 1, characterized in that: The auxiliary cleaning component (8) includes a reciprocating motor (801) bolted to the right side of the processing cabinet (1). The output end of the reciprocating motor (801) passes through the right side of the processing cabinet (1). A lead screw (802) is bolted to the output end of the reciprocating motor (801). The left side of the lead screw (802) is rotatably connected to the left side inside the processing cabinet (1).

3. The chip removal auxiliary mechanism for CNC machining according to claim 2, characterized in that: The lead screw (802) is threadedly connected to a movable sleeve (803), which is located at the bottom of the U-shaped filter (6).

4. The chip removal auxiliary mechanism for CNC machining according to claim 3, characterized in that: A cleaning brush (804) is bolted inside the movable sleeve (803), and the top of the cleaning brush (804) contacts the bottom of the U-shaped filter (6).

5. The chip removal auxiliary mechanism for CNC machining according to claim 1, characterized in that: A handle (15) is bolted to the front side of the receiving net (9), and both sides of the front side of the handle (15) are arc-shaped.

6. The chip removal auxiliary mechanism for CNC machining according to claim 5, characterized in that: The surface of the handle (15) is provided with anti-slip texture, which is in the shape of a grid.

7. The chip removal auxiliary mechanism for CNC machining according to claim 1, characterized in that: Both sides of the top of the processing cabinet (1) are bolted with baffles (16), which are located on the outside of the workbench (2).

8. The chip removal auxiliary mechanism for CNC machining according to claim 1, characterized in that: The processing cabinet (1) has four support legs (17) bolted to its bottom corners, and the bottom of the support legs (17) is welded with a base.

Citation Information

Patent Citations

  • CNC machining milling machine

    CN209050489U