Numerical control milling machine with safety protection function

Abstract

The utility model discloses a numerical control milling machine with a safety protection function, which comprises a numerical control milling machine body, a side protection plate slidably arranged on the numerical control milling machine body, a first convex groove arranged at the top end of the numerical control milling machine body, a first convex strip slidably arranged inside the first convex groove, and a protection cover slidably arranged outside the numerical control milling machine body. The side end of the protective cover makes contact with the side end of the side protective plate, the protective cover is fixedly connected with a first convex strip, a threaded groove is formed in the first convex strip, a threaded rod is in threaded connection with the interior of the threaded groove, a fixing frame is fixedly connected to the side end of the numerical control milling machine body, and a motor is installed on the fixing frame. The protective cover is moved to one side of the machining area of the numerical control milling machine body, heavy parts can be conveniently hoisted to the machining area of the numerical control milling machine body, people do not need to carry the heavy parts, the workload of people is reduced, and the use practicability of the numerical control milling machine is improved.

Description

Technical Field

[0001] This utility model relates to the field of CNC milling machine technology, and more specifically, it relates to a CNC milling machine with safety protection function. Background Technology

[0002] A milling machine is a machine tool that uses a milling cutter to process various surfaces of a workpiece. The rotation of the milling cutter is the main motion, and the movement of the workpiece and the milling cutter is the feed motion. It can process planes, grooves, as well as various curved surfaces, gears, etc. To prevent safety accidents, CNC milling machines are equipped with safety doors.

[0003] A search revealed that Chinese utility model patent application number CN202222538638.3 discloses a CNC milling machine with safety protection function. The machine includes a CNC milling machine body with a door groove. A first protective door and a second protective door are installed on the door groove. A groove is formed at the bottom of the door groove, and two slide rails are fixed inside the groove. Two sliders are slidably connected to each slide rail. The bottom ends of both the first and second protective doors are fixed to the two sliders. An insert is fixed to one end of the first protective door near the second protective door. A cavity is formed inside the second protective door, and a slot communicating with the cavity is formed at one end of the second protective door near the first protective door. The slot cooperates with the insert, and a fixing mechanism for fixing the insert is installed inside the cavity.

[0004] The top of this CNC milling machine is enclosed, and parts are loaded and unloaded by opening a protective door. However, when machining heavier parts, it is inconvenient to hoist them into the machine, requiring manual lifting, which increases workload. Furthermore, there is a risk of slipping and dropping heavy parts during lifting, reducing its practicality. Additionally, when inspecting the machine body, moving the protective door to one side limits the inspection area due to the fixed size of the machine's working opening, making maintenance difficult. Moreover, it is inconvenient to disassemble and replace the observation window. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the problems existing in the prior art, this utility model provides a CNC milling machine with safety protection function, which solves the technical problem mentioned in the background art that it is inconvenient to hoist heavy parts into the interior of the CNC milling machine, requiring people to lift and move the heavy parts, thus increasing the workload. At the same time, there is a risk of slipping and dropping the heavy parts during the lifting process, which reduces the practicality of the machine.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a CNC milling machine with safety protection function, comprising a CNC milling machine body, a side protective plate slidably disposed on the CNC milling machine body, a first convex groove disposed at the top of the CNC milling machine body, a first convex strip slidably disposed inside the first convex groove, a protective cover slidably disposed outside the CNC milling machine body, the side end of the protective cover contacting the side end of the side protective plate, the protective cover being fixedly connected to the first convex strip, a threaded groove disposed on the first convex strip, a screw threadedly connected inside the threaded groove, a fixing frame fixedly connected to the side end of the CNC milling machine body, a motor mounted on the fixing frame, the output end of the motor being fixedly connected to the side end of the screw, an observation port disposed on the protective cover, and an observation window detachably installed inside the observation port. When processing heavier parts, the protective cover is moved to one side of the processing area of ​​the CNC milling machine body, making it easier to lift the heavier parts to the processing area of ​​the CNC milling machine body, avoiding the need for manual lifting of heavier parts, reducing workload, and improving its practicality.

[0009] The present invention is further configured such that a second convex groove is provided on the CNC milling machine body, and a second convex strip is slidably provided inside the second convex groove. The top end of the second convex strip is fixedly connected to the bottom end of the side protective plate, which facilitates the disassembly of the side protective plate.

[0010] The present invention is further configured such that the side end of the CNC milling machine body is threaded with two first screws that cooperate with the second convex strip, which facilitates the fixing of the second convex strip.

[0011] The present invention is further configured such that an installation frame is installed on the outside of the observation window, and grooves are provided at the four corners of the front end of the installation frame. Each groove has a sliding groove extending to the outside of the installation frame at its side end. A slide block is slidably disposed inside each groove, and a locking plate is fixedly connected to the side end of each slide block. Multiple locking plates slide in cooperation with multiple sliding grooves respectively. A compression spring is connected to the end of the slide block away from the locking plate. A slot is provided on the observation port at the position corresponding to the multiple locking plates, which facilitates fixing the installation frame inside the observation port and facilitates the assembly and disassembly of the installation frame and the observation window.

[0012] The present invention is further configured such that a sealing plate is connected to the front end of each of the slides by a second screw. The size of the sealing plate is larger than the size of the groove. Pull handles are fixedly connected to the two sealing plates on the left and the two sealing plates on the right. The sealing plates facilitate sealing the grooves, and the pull handles facilitate pulling the slides to move.

[0013] The present invention is further configured such that a positioning rod is fixedly connected inside each of the grooves, the positioning rod slides in cooperation with the corresponding slide block, and the compression spring is sleeved on the outside of the positioning rod to ensure that the slide block slides stably inside the groove.

[0014] The present invention is further provided that a positioning frame is fixedly connected to the rear side inside the observation port to facilitate the positioning of the mounting frame.

[0015] The present invention is further provided that a sealing gasket is fixedly connected to the rear end of the mounting frame to ensure the sealing between the mounting frame and the positioning frame.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, this utility model provides a CNC milling machine with safety protection function, which has the following beneficial effects:

[0018] 1. When processing heavier parts, the screw is driven by the motor to rotate clockwise. The clockwise rotation of the screw moves the first convex strip and the protective cover to the side closer to the fixed frame, so that the protective cover is moved to the side of the CNC milling machine body's processing area. This makes it easier to lift the heavier parts to the processing area of ​​the CNC milling machine body, avoiding the need for people to lift the heavier parts, reducing the workload and improving its practicality.

[0019] 2. The second convex strip slides inside the second convex groove, which facilitates the disassembly of the side protective plate. At the same time, the protective cover is moved to one side of the CNC milling machine body's machining area, increasing the working range of the CNC milling machine body's machining area and increasing the operating space for people. This makes it easier for people to inspect and maintain the CNC milling machine body. At the same time, moving the side protective plate to one side makes it easier to wipe and clean the observation window.

[0020] 3. Hold the two handles with both hands and pull them together to move them towards the center. The two handles will move the slide and the card plate to the center, separating the card plate from the slot. Then, pull the mounting frame out from the inside of the observation port or insert the mounting frame into the inside of the observation port. This makes it easy to assemble and disassemble the mounting frame and the observation window, and to replace the observation window. Attached Figure Description

[0021] Figure 1 This is a front view of a CNC milling machine with safety protection function according to the present invention.

[0022] Figure 2 This is a schematic diagram of the rear structure of a CNC milling machine with safety protection function according to this utility model;

[0023] Figure 3 This is a structural diagram showing the connection between the protective cover, the first convex strip, and the positioning frame in this utility model;

[0024] Figure 4 This is a structural diagram showing the assembly of the mounting frame, observation window, clamping plate, and pull plate in this utility model.

[0025] Figure 5 This is a schematic diagram of the connection between the mounting frame, sealing gasket, and observation window in this utility model;

[0026] Figure 6 This is a structural diagram showing the interaction of the slide, locking plate, positioning rod, compression spring, and handle in this utility model.

[0027] In the diagram: 1. CNC milling machine body; 2. Side guard plate; 3. First convex groove; 4. First convex strip; 5. Protective cover; 6. Threaded groove; 7. Screw; 8. Fixing frame; 9. Motor; 10. Observation port; 11. Observation window; 12. Second convex groove; 13. Second convex strip; 14. First screw; 15. Mounting frame; 16. Groove; 17. Slide rail; 18. Slide block; 19. Clamping plate; 20. Compression spring; 21. Clamping slot; 22. Second screw; 23. Sealing plate; 24. Pull handle; 25. Positioning rod; 26. Positioning frame; 27. Sealing gasket. Detailed Implementation

[0028] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0030] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0031] Please see Figures 1-6A CNC milling machine with safety protection function includes a CNC milling machine body 1, a side protective plate 2 slidably disposed on the CNC milling machine body 1, a first convex groove 3 disposed at the top of the CNC milling machine body 1, a first convex strip 4 slidably disposed inside the first convex groove 3, a protective cover 5 slidably disposed outside the CNC milling machine body 1, the side end of the protective cover 5 contacting the side end of the side protective plate 2, the protective cover 5 being fixedly connected to the first convex strip 4, a threaded groove 6 disposed on the first convex strip 4, a screw 7 being threadedly connected inside the threaded groove 6, a fixing frame 8 being fixedly connected to the side end of the CNC milling machine body 1, a motor 9 being mounted on the fixing frame 8, the output end of the motor 9 being fixedly connected to the side end of the screw 7, and an observation port 10 disposed on the protective cover 5, with an observation window 11 detachably installed inside the observation port 10.

[0032] Specifically, when processing heavier parts, the motor 9 drives the screw 7 to rotate clockwise. The clockwise rotation of the screw 7 causes the first convex strip 4 and the protective cover 5 to move towards the side closer to the fixed frame 8. This moves the protective cover 5 to one side of the processing area of ​​the CNC milling machine body 1, making it easier to lift the heavier parts to the processing area of ​​the CNC milling machine body 1. This avoids the need for people to lift the heavier parts, reduces the workload, and improves the practicality of the machine.

[0033] Please see Figure 1 and Figure 2 The CNC milling machine body 1 is provided with a second convex groove 12, and a second convex strip 13 is slidably arranged inside the second convex groove 12. The top end of the second convex strip 13 is fixedly connected to the bottom end of the side guard plate 2, which facilitates the disassembly of the side guard plate 2. The side end of the CNC milling machine body 1 is threaded with two first screws 14 that cooperate with the second convex strip 13, which facilitates the fixing of the second convex strip 13.

[0034] Specifically, the first screw 14 is loosened and slides inside the second convex groove 12 via the second convex strip 13, which facilitates the disassembly of the side protective plate 2. At the same time, the protective cover 5 is moved to one side of the machining area of ​​the CNC milling machine body 1, increasing the working range of the machining area of ​​the CNC milling machine body 1, increasing the operating space for people, and facilitating the maintenance of the CNC milling machine body 1. At the same time, the side protective plate 2 is moved to one side, which facilitates the wiping and cleaning of the observation window 11.

[0035] Please see Figures 2-6An installation frame 15 is mounted on the outside of the observation window 11. A positioning frame 26 is fixedly connected to the rear side of the observation port 10 to facilitate positioning of the installation frame 15. A sealing gasket 27 is fixedly connected to the rear end of the installation frame 15 to ensure the sealing between the installation frame 15 and the positioning frame 26. Grooves 16 are provided at the four corners of the front end of the installation frame 15. A sliding groove 17 extending to the outside of the installation frame 15 is provided on the side end of each groove 16. A slide block 18 is slidably disposed inside each groove 16. A retaining plate 19 is fixedly connected to the side end of each slide block 18. Multiple retaining plates 19 slide in cooperation with multiple sliding grooves 17. A compression spring 20 is connected to the end of the slide block 18 away from the retaining plate 19. The observation port Each of the mounting frames 10 has a slot 21 corresponding to the multiple mounting plates 19, which facilitates fixing the mounting frame 15 inside the observation port 10. The front end of each slide 18 is connected to a sealing plate 23 by a second screw 22. The size of the sealing plate 23 is larger than the size of the groove 16. Pull handles 24 are fixedly connected to the two sealing plates 23 on the left and the two sealing plates 23 on the right. The sealing plates 23 can be used to block the groove 16, and the pull handles 24 can be used to pull the slide 18 to move. A positioning rod 25 is fixedly connected inside each groove 16. The positioning rod 25 slides with the corresponding slide 18. The compression spring 20 is sleeved on the outside of the positioning rod 25 to ensure that the slide 18 slides stably inside the groove 16.

[0036] Specifically, people hold two handles 24 with both hands and pull them simultaneously to move them towards the center. The two handles 24 pull the slide 18 and the locking plate 19 to separate the locking plate 19 from the locking slot 21. Then, the mounting frame 15 is pulled out from the inside of the observation port 10 or inserted into the inside of the observation port 10, which facilitates the disassembly and assembly of the mounting frame 15 and the observation window 11 and makes it easy to replace the observation window 11. The mounting frame 15 is inserted into the inside of the observation port 10 and the rear end of the mounting frame 15 is pressed against the side end of the positioning frame 26. Then, the two handles 24 are released, and the slide 18 and the locking plate 19 are pushed to move by the compression spring 20, so that the locking plate 19 is inserted into the corresponding locking slot 21, thereby fixing the mounting frame 15 inside the observation port 10.

[0037] In summary, when using the overall equipment:

[0038] When processing heavier parts, the screw 7 is driven clockwise by the motor 9. The clockwise rotation of the screw 7 moves the first convex strip 4 and the protective cover 5 closer to the fixed frame 8, so that the protective cover 5 is moved to one side of the processing area of ​​the CNC milling machine body 1. The area above the CNC milling machine body 1 is then open. The heavier parts to be processed are then hoisted to the processing area of ​​the CNC milling machine body 1 and fixed. The hoisting equipment is then removed. The screw 7 is then driven counterclockwise by the motor 9. The counterclockwise rotation of the screw 7 moves the first convex strip 4 and the protective cover 5 toward the working area of ​​the CNC milling machine, so that the side end of the protective cover 5 contacts the side end of the side protective plate 2. At this time, the protective cover 5 completely covers the outside of the processing area of ​​the CNC milling machine body 1, providing safety protection. The parts are then processed by the CNC milling machine body 1.

[0039] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A CNC milling machine with safety protection function, comprising a CNC milling machine body (1), characterized in that: A side guard plate (2) is slidably provided on the CNC milling machine body (1). A first convex groove (3) is provided at the top of the CNC milling machine body (1). A first convex strip (4) is slidably provided inside the first convex groove (3). A protective cover (5) is slidably provided on the outside of the CNC milling machine body (1). The side end of the protective cover (5) contacts the side end of the side guard plate (2). The protective cover (5) is fixedly connected to the first convex strip (4). A threaded groove (6) is provided on the first convex strip (4). A screw (7) is threadedly connected inside the threaded groove (6). A fixing frame (8) is fixedly connected to the side end of the CNC milling machine body (1). A motor (9) is installed on the fixing frame (8). The output end of the motor (9) is fixedly connected to the side end of the screw (7). An observation port (10) is provided on the protective cover (5). An observation window (11) is detachably installed inside the observation port (10).

2. A CNC milling machine with safety protection function according to claim 1, characterized in that: The CNC milling machine body (1) is provided with a second convex groove (12), and a second convex strip (13) is slidably provided inside the second convex groove (12). The top end of the second convex strip (13) is fixedly connected to the bottom end of the side guard plate (2).

3. A CNC milling machine with safety protection function according to claim 2, characterized in that: The side end of the CNC milling machine body (1) is threaded with two first screws (14) that cooperate with the second convex strip (13).

4. A CNC milling machine with safety protection function according to claim 1, characterized in that: An installation frame (15) is installed on the outside of the observation window (11). A groove (16) is provided at each of the four corners of the front end of the installation frame (15). A sliding groove (17) extending to the outside of the installation frame (15) is provided at the side end of each groove (16). A slide block (18) is slidably provided inside each groove (16). A locking plate (19) is fixedly connected to the side end of each sliding plate (18). Multiple locking plates (19) slide and engage with multiple sliding grooves (17). A compression spring (20) is connected to the end of the sliding plate (18) away from the locking plate (19). A slot (21) is provided at the position corresponding to the multiple locking plates (19) on the observation port (10).

5. A CNC milling machine with safety protection function according to claim 4, characterized in that: Each of the slides (18) has a sealing plate (23) connected to its front end by a second screw (22). The size of the sealing plate (23) is larger than the size of the groove (16). Pull handles (24) are fixedly connected to the two sealing plates (23) on the left and the two sealing plates (23) on the right.

6. A CNC milling machine with safety protection function according to claim 4, characterized in that: Each of the grooves (16) is fixedly connected to a positioning rod (25), which slides in cooperation with the corresponding slide block (18). The compression spring (20) is sleeved on the outside of the positioning rod (25).

7. A CNC milling machine with safety protection function according to claim 1, characterized in that: A positioning frame (26) is fixedly connected to the rear side of the observation port (10).

8. A CNC milling machine with safety protection function according to claim 4, characterized in that: A sealing gasket (27) is fixedly connected to the rear end of the mounting frame (15).

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