Safety protection device of numerical control lathe
By using components such as locking blocks, magnetic blocks, square blocks, clips, and springs, the self-locking problem of the protective door of CNC lathe during operation is solved, preventing iron filings from flying out and improving safety performance.
Patent Information
- Application Number
- CN202520076285.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-13
AI Technical Summary
The safety doors of existing CNC lathes cannot lock themselves during operation and are prone to loosening, causing iron filings to fly out and posing a safety hazard.
The system uses components such as locking blocks, magnetic blocks, square blocks, clips, and springs. The connection between the clips and the locking blocks is achieved through the spring's reset mechanism, ensuring the security door is self-locking and preventing it from loosening.
The protective door is self-locking during lathe operation, preventing iron filings from flying out and improving the safety performance of the device.
Smart Images

Figure CN223684457U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to numerical control lathe technical field, concretely is a numerical control lathe safety device. BACKGROUND
[0002] Numerical control lathe is one of numerical control machine tools that are used widely, it is mainly used for the inner and outer cylindrical surface of shaft parts or disc parts, the inner and outer conical surface of arbitrary taper angle, complicated rotary inner and outer curved surface and cylindrical, conical thread cutting and so on, and can carry out cutting groove, drilling, reaming, reaming and boring etc.
[0003] Through the retrieval, the patent with the publication number CN220178828U discloses a numerical control lathe safety device, and its technical points are as follows: the existing observation window is generally fixed on the protective door, and when metal scraps or parts bounce out, the observation window is likely to be broken, which may injure the staff on observation, and there are serious safety hazards.
[0004] However, in the above-mentioned scheme and prior art, it is found that when the lathe is operating, the protective door cannot be self-locked after being closed, which leads to the phenomenon of loosening of the protective door during the operation of the lathe, resulting in the flying of iron scraps out of the lathe, which has safety hazards. In order to solve the problem that the protective door cannot be self-locked in the prior art and is easy to loosen, the card block, the card piece and the spring one are installed on the front of the lathe body and the protective door, so that the connection of the card piece and the card block is realized through the reset of the spring one, the self-locking effect of the protective door is achieved, the loosening of the protective door during the operation of the lathe is prevented, the flying of iron scraps out of the lathe is prevented, and the safety performance of the device is improved. Therefore, a new scheme needs to be proposed to solve this problem. CONTENT OF THE UTILITY MODEL
[0005] In view of the deficiencies and shortcomings in the prior art that the protective door cannot be self-locked after being closed, and the protective door is easy to loosen during the operation of the lathe, resulting in the flying of iron scraps out of the lathe, which has safety hazards.
[0006] The utility model discloses a numerical control lathe safety device, including the protective door and the limiting rod, the front of protective door is fixedly installed with the card block, the right side of protective door is fixedly installed with the magnetic attraction piece no.
[0007] Further, the back surface of the limiting rod is fixedly connected with a lathe body, the upper surface of the lathe body is fixedly connected with a mounting rod one, and the front surface of the mounting rod one is provided with a sliding groove one.
[0008] Further, the inner wall of the sliding groove one is slidably connected with a sliding block one and a top block, and the front surface of the sliding block one is fixedly connected with the back surface of the protective door.
[0009] Further, the right side surface of the top block is fixedly connected with a spring two, and the right end of the spring two is fixedly connected with the inner side wall of the sliding groove one.
[0010] Further, the front surface of the lathe body is fixedly connected with a mounting rod two, and the upper surface of the mounting rod two is provided with a sliding groove two.
[0011] Further, the inner wall of the sliding groove two is slidably connected with a sliding block two, and the upper surface of the sliding block two is fixedly connected with the bottom surface of the protective door.
[0012] Further, the front surface of the protective door is fixedly connected with a handle, and the inner wall of the protective door is fixedly embedded with tempered glass.
[0013] Compared with the prior art, the utility model has the advantages of the following:
[0014] 1、 the utility model discloses a set of card block, magnetic attraction piece one, magnetic attraction piece two, square block, card piece, spring one etc.
[0015] 2、 the utility model discloses a set of mounting rod one, sliding block one, top block, spring two, mounting rod two, sliding block two etc. BRIEF DESCRIPTION OF DRAWINGS
[0016] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
[0017] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;
[0018] Figure 2 It is the protective door closed state structure schematic diagram of the utility model;
[0019] Figure 3 It is the utility model top block and spring two between the connecting relationship structure schematic diagram;
[0020] Figure 4 It is the utility model spring one and square block between the connecting relationship structure schematic diagram.
[0021] In the drawing: 1, protective door;2, clamping block;3, limit rod;4, magnetic block one;5, magnetic block two;6, pull rod;7, square block;8, clamping piece;9, spring one;10, mounting block;11, guide rod;12, lathe main body;13, mounting rod one;14, sliding groove one;15, sliding block one;16, top block;17, spring two;18, mounting rod two;19, sliding groove two;20, sliding block two;21, toughened glass;22, handle. DETAILED DESCRIPTION
[0022] The following will disclose multiple embodiments of the utility model with drawings, for the purpose of clear description, many details on the real object will be described in the following description. However, it should be understood that these details on the real object should not be used to limit the utility model. That is to say, in some embodiments of the utility model, these details on the real object are unnecessary. In addition, for the purpose of simplifying the drawing, some conventional structures and components will be drawn in a simple schematic way in the drawing.
[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 The utility model discloses a numerical control lathe safety protection device, including protective door 1 and limit rod 3, the front surface fixed mounting of protective door 1 has clamping block 2, installs clamping block 2 on the front surface of protective door 1, is fixed through bolt, realizes the positioning installation effect of clamping block 2, the right side surface fixed mounting of protective door 1 has magnetic block one 4, installs magnetic block one 4 on the right side surface of protective door 1, realizes the installation of magnetic block one 4.
[0024] Combined Figure 2 And Figure 3The left side of the limiting rod 3 is fixedly provided with a magnetic block 5, the magnetic block 5 is arranged on the left side of the limiting rod 3, the installation of the magnetic block 5 is realized, the magnetic block 1 and the magnetic block 5 are adsorbed to each other, the protection door 1 is connected with the limiting rod 3, the front of the limiting rod 3 is fixedly connected with a mounting block 10, the mounting block 10 is arranged on the front of the limiting rod 3, the positioning and installation of the mounting block 10 are realized, the inner wall of the mounting block 10 is slidably connected with a pull rod 6, the pull rod 6 is arranged on the inner wall of the mounting block 10, and the pull rod 6 is limited by the mounting block 10.
[0025] In a preferred embodiment, the bottom end of the pull rod 6 is fixedly connected with a square block 7, the square block 7 is arranged on the bottom end of the pull rod 6, and the square block 7 is fixedly connected, the square block 7 is moved up and down by moving the pull rod 6, the bottom surface of the square block 7 is fixedly connected with a clamping piece 8, the clamping piece 8 is arranged on the bottom surface of the square block 7, the clamping piece 8 is moved by moving the square block 7, and the clamping piece 8 and the clamping block 2 can cooperate with each other, when the protection door 1 moves to drive the clamping block 2 to move, the clamping piece 8 is lifted by the clamping block 2, the upper surface of the square block 7 is fixedly connected with a spring 9, the top end of the spring 9 is fixedly connected with the inner top wall of the mounting block 10, the spring 9 is arranged on the upper surface of the square block 7, and the top end of the spring 9 is connected with the mounting block 10, when the clamping block 2 moves to the deepest part of the mounting block 10, the clamping piece 8 is automatically reset under the action of the spring 9, and then the clamping block 2 is locked.
[0026] In the embodiment, the inner wall of the square block 7 is slidably connected with two guide rods 11, the guide rods 11 are arranged on the inner wall of the square block 7, and the guide rods 11 are slidably connected, the two ends of each guide rod 11 are fixedly connected with the inside of the mounting block 10, the top end and the bottom end of the guide rod 11 are connected with the inside of the mounting block 10, the installation of the guide rod 11 is realized, and then the guide rod 11 limits the square block 7.
[0027] Looking back Figure 2 and Figure 3 The back of the limiting rod 3 is fixedly connected with a lathe body 12, the lathe body 12 is arranged on the back of the limiting rod 3, the installation of the limiting rod 3 is realized by the lathe body 12, the upper surface of the lathe body 12 is fixedly connected with a mounting rod 13, the mounting rod 13 is arranged on the upper surface of the lathe body 12, the positioning and installation effect of the mounting rod 13 is realized, the front of the mounting rod 13 is provided with a sliding groove 14, the sliding groove 14 is arranged on the front of the mounting rod 13, and the positioning of the sliding groove 14 is realized.
[0028] In a preferred embodiment, the inner wall of the sliding groove 14 is slidingly connected with the sliding block 15 and the top block 16. The sliding block 15 and the top block 16 are placed on the inner wall of the sliding groove 14 and are slidingly connected to achieve the limiting of the sliding block 15 and the top block 16. The front surface of the sliding block 15 is fixedly connected with the back surface of the protective door 1. The front surface of the sliding block 15 is connected with the back surface of the protective door 1, and the sliding block 15 can limit the upper half of the protective door 1.
[0029] In this embodiment, the right side surface of the top block 16 is fixedly connected with the spring 17. The spring 17 is installed on the right side surface of the top block 16 to achieve the installation of the spring 17. The right end of the spring 17 is fixedly connected with the inner side wall of the sliding groove 14 to achieve the limiting of the right end of the spring 17. The spring 17 facilitates the rebound of the top block 16, and the protective door 1 is automatically opened.
[0030] In combination with Figure 2 and Figure 3 , the front surface of the lathe body 12 is fixedly connected with the mounting rod 18. The mounting rod 18 is installed on the front surface of the lathe body 12 to achieve the positioning and installation effect of the mounting rod 18. The upper surface of the mounting rod 18 is provided with a sliding groove 19. The sliding groove 19 is provided on the upper surface of the mounting rod 18 to achieve the positioning of the sliding groove 19.
[0031] In a preferred embodiment, the inner wall of the sliding groove 14 is slidingly connected with the sliding block 15 and the top block 16. The sliding block 15 and the top block 16 are placed on the inner wall of the sliding groove 14 and are slidingly connected to achieve the limiting of the sliding block 15 and the top block 16. The front surface of the sliding block 15 is fixedly connected with the back surface of the protective door 1. The front surface of the sliding block 15 is connected with the back surface of the protective door 1, and the sliding block 15 can limit the upper half of the protective door 1.
[0032] In this embodiment, the front surface of the protective door 1 is fixedly connected with the handle 22. The handle 22 is installed on the front surface of the protective door 1. The handle 22 facilitates the movement of the protective door 1. The inner wall of the protective door 1 is fixedly embedded with the tempered glass 21. The tempered glass 21 is installed on the inner wall of the protective door 1 to achieve the installation of the tempered glass 21. The tempered glass 21 facilitates the observation of the internal machining of the lathe.
[0033] The implementation principle is that when the workpiece is processed by the lathe, the operator pulls the handle 22 to drive the protective door 1 to move, the protective door 1 drives the sliding block one 15 and the sliding block two 20 to slide on the inner walls of the sliding groove one 14 and the sliding groove two 19, the protective door 1 drives the clamping block 2 and the magnetic block one 4 to move to the right until the magnetic block one 4 is separated from the magnetic block two 5, at this time, the top block 16 moves and compresses the spring two 17, at this time, the clamping block 2 is on the inner wall of the mounting block 10, and the clamping piece 8 is opened to make the square block 7 and the pull rod 6 rise, the spring one 9 is compressed, when the clamping block 2 moves to the deepest part of the mounting block 10, under the action of the spring one 9, the clamping piece 8, the square block 7 and the pull rod 6 are reset, the clamping block 2 is locked, and then the protective door 1 is locked, so that the workpiece can be processed without the protective door 1 being loose, and the safety of the device is improved.
[0034] The above merely describes the implementation mode of the present application and is not used to limit the present application. The present application can be changed and varied in various ways by those skilled in the art. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the present application shall be included in the scope of the claims of the present application.
Claims
1. A safety guard for a CNC lathe comprising a guard door (1) and a stop bar (3), characterised in that: The front surface of the protection door (1) is fixedly installed with a clamping block (2), the right side surface of the protection door (1) is fixedly installed with a magnetic block one (4), the left side surface of the limiting rod (3) is fixedly installed with a magnetic block two (5), the front surface of the limiting rod (3) is fixedly connected with a mounting block (10), the inner wall of the mounting block (10) is slidably connected with a pull rod (6), the bottom end of the pull rod (6) is fixedly connected with a square block (7), the bottom surface of the square block (7) is fixedly connected with a clamping piece (8), the upper surface of the square block (7) is fixedly connected with a spring one (9), the top end of the spring one (9) is fixedly connected with the inner top wall of the mounting block (10), the inner wall of the square block (7) is slidably connected with two guide rods (11), and both ends of each guide rod (11) are fixedly connected with the inside of the mounting block (10).
2. A safety guard for a numerically controlled lathe according to claim 1, characterised in that: The back surface of the limiting rod (3) is fixedly connected with a lathe body (12), the upper surface of the lathe body (12) is fixedly connected with a mounting rod one (13), and the front surface of the mounting rod one (13) is provided with a sliding groove one (14).
3. A safety guard for a numerically controlled lathe according to claim 2, wherein: The inner wall of the sliding groove one (14) is slidably connected with a sliding block one (15) and a top block (16), and the front surface of the sliding block one (15) is fixedly connected with the back surface of the protection door (1).
4. A safety guard for a numerically controlled lathe according to claim 3, wherein: The right side surface of the top block (16) is fixedly connected with a spring two (17), and the right end of the spring two (17) is fixedly connected with the inner side wall of the sliding groove one (14).
5. A safety guard for a numerically controlled lathe according to claim 2, wherein: The front surface of the lathe body (12) is fixedly connected with a mounting rod two (18), and the upper surface of the mounting rod two (18) is provided with a sliding groove two (19).
6. A safety guard for a numerically controlled lathe according to claim 5, wherein: The inner wall of the sliding groove two (19) is slidably connected with a sliding block two (20), and the upper surface of the sliding block two (20) is fixedly connected with the bottom surface of the protection door (1).
7. A safety guard for a CNC lathe as claimed in claim 1, wherein: The front surface of the protection door (1) is fixedly connected with a handle (22), and the inner wall of the protection door (1) is fixedly embedded with a tempered glass (21).
Citation Information
Patent Citations
Safety protection device of numerical control lathe
CN220178828U