Safety protection device for large numerical control machine tool

Abstract

The utility model discloses a safety protection device for a large-scale numerical control machine tool, which relates to the technical field of numerical control machine tools and comprises a machine tool body and a protective cover in sliding connection with the machine tool body, as well as observation glass connected with the protective cover, one end of the fixing mechanism is connected with the machine tool body and the other end is connected with the protective cover; the cleaning mechanism is connected with the side, close to the machine tool body, of the protective cover. The protective cover protects the machine tool body, the working condition in the machine tool body is observed through observation glass, the protective cover is fixed and limited through the fixing mechanism, the situation that the protective cover is opened due to mistaken touch is avoided, and the cleaning mechanism cleans impurities, chippings and the like generated in the working process of the machine tool body; the problems that in the prior art, a protective cover is prone to being opened by mistake, when the protective cover is subjected to external force, the protective cover is prone to being opened by the external force, and the protective effect is difficult to achieve are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a safety protection device for a large numerical control machine tool. Background Technique

[0002] A numerical control machine tool is an automated machine tool equipped with a program control system. This control system can better solve the problems of processing complex, precise, small-batch, and multi-variety parts. It is a flexible and high-efficiency automated machine tool.

[0003] During the process of machining parts on a numerical control lathe, due to the high rotational speed during machining, the cutting tool may break, or the chips generated during machining are easily thrown out. To ensure machining safety, a safety door is usually designed for the numerical control machine tool. It is necessary to close the safety protection door of the numerical control lathe to reduce the flying out of chips during the machining process of the numerical control lathe and improve the safety of numerical control machining at the same time.

[0004] The protective covers in the prior art are prone to accidental opening. When the protective cover is subjected to an external force, the external force is likely to cause the protective cover to open, making it difficult to achieve the protective effect. Therefore, there is an urgent need for a safety protection device for a large numerical control machine tool to solve the above problems. Content of the Utility Model

[0005] The purpose of the embodiment of the utility model is to provide a safety protection device for a large numerical control machine tool to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A safety protection device for a large numerical control machine tool includes a machine tool body and a protective cover. The protective cover is slidably connected to the machine tool body, and further includes:

[0008] An observation glass, connected to the protective cover;

[0009] A fixing mechanism, one end of which is connected to the machine tool body and the other end is connected to the protective cover, for limiting and fixing the protective cover;

[0010] A cleaning mechanism, connected to the side of the protective cover close to the machine tool body, for cleaning the observation glass.

[0011] As a further scheme of the utility model: The fixing mechanism includes:

[0012] A fixing cylinder, connected to the machine tool body;

[0013] A sliding rod, slidably connected to the fixing cylinder;

[0014] An elastic member, arranged inside the fixing cylinder, and one end of which is connected to one end of the sliding rod and the other end is connected to the fixing cylinder;

[0015] A clamping block, connected to the other end of the sliding rod;

[0016] A pressing block, connected to the sliding rod and slidably connected to the fixed cylinder;

[0017] A clamping groove, provided on the protective cover and matching with the clamping block.

[0018] As a further solution of the present utility model: The cleaning mechanism includes:

[0019] A telescopic member, one end of which is connected to the top of the protective cover;

[0020] A cleaning plate, connected to the other end of the telescopic member and abutted against the observation glass;

[0021] A limiting assembly, one end of which is connected to the bottom of the protective cover;

[0022] A collection box, connected to the other end of the limiting assembly.

[0023] As a further solution of the present utility model: The limiting assembly includes:

[0024] A connecting block, connected to the collection box, and a clamping hole is provided on the connecting block;

[0025] A limiting cylinder, connected to the protective cover and clamped with the connecting block;

[0026] A threaded rod, threadedly connected to the limiting cylinder;

[0027] An abutting folding rod, one end of which is connected to the threaded rod and the other end is abutted against the connecting block.

[0028] As a further solution of the present utility model: It further includes:

[0029] Sealing side plates, symmetrically arranged on both sides of the protective cover;

[0030] A first sensing member, connected to one group of the sealing side plates;

[0031] A second sensing member, connected to the machine tool body.

[0032] Compared with the prior art, the beneficial effects of the present utility model are:

[0033] The protective cover protects the machine tool body, observes the internal working conditions of the machine tool body through the observation glass, the fixing mechanism fixes and limits the protective cover to prevent the protective cover from being opened by mistake, and the cleaning mechanism cleans impurities, debris, etc. generated during the working process of the machine tool body, solving the problem that the protective cover in the prior art is prone to being accidentally opened. When the protective cover is subjected to an external force, the external force is likely to cause the protective cover to open, making it difficult to play a protective role. Description of the Drawings

[0034] Figure 1 This is a schematic structural diagram of a safety protection device for a large - scale numerical control machine tool in an embodiment of the present utility model.

[0035] Figure 2 This is a schematic structural diagram of a cleaning mechanism in an embodiment of the present utility model.

[0036] Figure 3 It is Figure 2 an enlarged schematic structural diagram of part A in

[0037] Figure 4 This is a three - dimensional view of a protective cover in an embodiment of the present utility model.

[0038] In the figure: 1, machine tool body; 2, chute; 3, slider; 4, protective cover; 5, sealing side plate; 6, observation glass; 7, grip; 8, first sensor; 9, second sensor; 10, fixed cylinder; 11, sliding rod; 12, elastic member; 13, clamping block; 14, pressing block; 15, clamping groove; 16, telescopic member; 17, cleaning plate; 18, collection box; 19, connecting block; 20, limiting cylinder; 21, threaded rod; 22, abutting folding rod. Specific embodiments

[0039] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0040] In an embodiment of the present utility model, please refer to Figures 1 to 4 , a safety protection device for a large - scale numerical control machine tool, including a machine tool body 1 and a protective cover 4, the protective cover 4 is slidably connected to the machine tool body 1, and further includes:

[0041] An observation glass 6, connected to the protective cover 4;

[0042] A fixing mechanism, one end is connected to the machine tool body 1, and the other end is connected to the protective cover 4, for limiting and fixing the protective cover 4;

[0043] A cleaning mechanism, connected to the side of the protective cover 4 close to the machine tool body 1, for cleaning the observation glass 6.

[0044] The protective cover 4 protects the machine tool body 1, observes the internal working conditions of the machine tool body 1 through the observation glass 6, the fixing mechanism fixes and limits the protective cover 4 to prevent the protective cover 4 from being opened due to accidental touch, and the cleaning mechanism cleans impurities, debris, etc. generated during the working process of the machine tool body 1.

[0045] As an embodiment of the present utility model, please refer to Figure 1 , the fixing mechanism includes:

[0046] A fixing cylinder 10, connected to the machine tool body 1;

[0047] A sliding rod 11, slidably connected to the fixing cylinder 10;

[0048] An elastic member 12, disposed inside the fixing cylinder 10, with one end connected to one end of the sliding rod 11 and the other end connected to the fixing cylinder 10;

[0049] A clamping block 13, connected to the other end of the sliding rod 11;

[0050] A pressing block 14, connected to the sliding rod 11 and slidably connected to the fixing cylinder 10;

[0051] A clamping groove 15, disposed on the protective cover 4 and matching with the clamping block 13.

[0052] When the protective cover 4 protects the machine tool body 1, the clamping block 13 is clamped with the clamping groove 15 to fix the protective cover 4. When opening the protective cover 4, the pressing block 14 is pressed. The pressing block 14 drives the sliding rod 11 to move, and the sliding rod 11 drives the clamping block 13 to move, so that the clamping block 13 is disengaged from the clamping groove 15. At the same time, the elastic member 12 undergoes elastic deformation to slide the protective cover 4 and open the machine tool body 1. Then, the pressing block 14 is released, so that the clamping block 13 abuts against the protective cover 4 to limit the protective cover 4. The elastic member 12 can adopt a spring, a spring sheet, etc.

[0053] As an embodiment of the present utility model, please refer to Figure 2 and Figure 3 , the cleaning mechanism includes:

[0054] A telescopic member 16, with one end connected to the top of the protective cover 4;

[0055] A cleaning plate 17, connected to the other end of the telescopic member 16 and abutting against the observation glass 6;

[0056] A limiting assembly, with one end connected to the bottom of the protective cover 4;

[0057] A collection box 18, connected to the other end of the limiting assembly.

[0058] The limiting assembly fixes the collection box 18. The telescopic member 16 drives the cleaning plate 17 to move longitudinally. The cleaning plate 17 cleans the observation glass 6, and the impurities falling off during cleaning fall into the interior of the collection box 18 for collection. The telescopic member 16 can adopt an electric telescopic rod, a cylinder, etc.

[0059] As an embodiment of the present utility model, please refer to Figure 2 andFigure 3 , the limit component includes:

[0060] A connecting block 19, which is connected to the collection box 18, and a clamping hole is provided on the connecting block 19;

[0061] A limit cylinder 20, which is connected to the protective cover 4 and is clamped with the connecting block 19;

[0062] A threaded rod 21, which is threadedly connected to the limit cylinder 20;

[0063] An abutting folding rod 22, one end of which is connected to the threaded rod 21 and the other end is abutted against the connecting block 19.

[0064] Abut the connecting block 19 against the limit cylinder 20, rotate the threaded rod 21 so that the threaded rod 21 is threadedly connected to the limit cylinder 20, and the threaded rod 21 drives the abutting folding rod 22 to move, so that the abutting folding rod 22 abuts against the connecting block 19, thereby fixing the collection box 18.

[0065] As an embodiment of the present invention, please refer to Figure 1 , Figure 2 and Figure 4 , further includes:

[0066] A chute 2, which is provided on the machine tool body 1;

[0067] A slider 3, which is connected to the protective cover 4 and is slidably connected to the chute 2, and a clamping groove 15 is provided on the slider 3.

[0068] Through the cooperation of the chute 2 and the slider 3, the stable sliding of the protective cover 4 is ensured.

[0069] As an embodiment of the present invention, please refer to Figure 1 , Figure 2 and Figure 4 , further includes:

[0070] Sealing side plates 5, which are symmetrically arranged on both sides of the protective cover 4;

[0071] An inductive element 8, which is connected to a group of the sealing side plates 5;

[0072] An inductive element 9, which is connected to the machine tool body 1.

[0073] When the protective cover 4 is opened, the inductive element 8 is separated from the inductive element 9, and the controller (not shown in the figure) controls the machine tool body 1 to stop working to ensure the safety of the staff. When the protective cover 4 is closed, the inductive element 8 contacts the inductive element 9, and the machine tool body 1 can work.

[0074] As an embodiment of the present invention, please refer to Figure 1 and Figure 4 , further includes:

[0075] A grip 7, which is connected to the protective cover 4.

[0076] The provided grip 7 facilitates the sliding of the protective cover 4.

[0077] The working principle of the present utility model is as follows: When the protective cover 4 protects the machine tool body 1, the clamping block 13 is clamped with the clamping groove 15 to fix the protective cover 4. The internal working condition of the machine tool body 1 is observed through the observation glass 6. When the protective cover 4 is opened, the pressing block 14 is pressed. The pressing block 14 drives the sliding rod 11 to move, and the sliding rod 11 drives the clamping block 13 to move, so that the clamping block 13 is separated from the clamping groove 15. At the same time, the elastic member 12 undergoes elastic deformation to slide the protective cover 4, opening the machine tool body 1. Then the pressing block 14 is released, so that the clamping block 13 abuts against the protective cover 4 to limit the protective cover 4. When the protective cover 4 is opened, the first sensing member 8 is separated from the second sensing member 9, and the controller (not shown in the figure) controls the machine tool body 1 to stop working to ensure the safety of the staff.

[0078] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0079] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A safety protection device for a large CNC machine tool, comprising a machine tool body and a protective cover, wherein the protective cover is slidably connected to the machine tool body, characterized in that: Also includes: Observation glass, connected to the protective cover; A fixing mechanism, one end of which is connected to the machine tool body and the other end of which is connected to the protective cover, and is used to limit and fix the protective cover; A cleaning mechanism is connected to the side of the protective cover close to the machine tool body and is used to clean the observation glass; The fixing mechanism comprises: A fixed cylinder connected to the machine tool body; A sliding rod, slidably connected to the fixed cylinder; The elastic member is arranged inside the fixed cylinder, and one end of the elastic member is connected to one end of the sliding rod, and the other end of the elastic member is connected to the fixed cylinder; A card block connected to the other end of the sliding rod; A pressing block is connected to the sliding rod and is slidably connected to the fixed cylinder; The card slot is arranged on the protective cover and matches the card block.

2. A large-scale CNC machine tool safety protection device according to claim 1, characterized in that: The cleaning mechanism comprises: A telescopic member, one end of which is connected to the top of the protective cover; A cleaning plate connected to the other end of the telescopic member and abutting against the observation glass; A limit assembly, one end of which is connected to the bottom of the protective cover; The collection frame is connected to the other end of the limiting component.

3. A large-scale CNC machine tool safety protection device according to claim 2, characterized in that: The limiting component comprises: A connecting block connected to the collecting frame, wherein the connecting block is provided with a clamping hole; The limiting cylinder is connected with the protective cover and is clamped with the connecting block; A threaded rod, threadedly connected to the limiting cylinder; The abutting folding rod has one end connected to the threaded rod and the other end abutting the connecting block.

4. A large-scale CNC machine tool safety protection device according to claim 1, characterized in that: Also includes: A slideway, provided on the machine tool body; The slide block is connected with the protective cover and is slidably connected with the slide groove, and a clamping groove is provided on the slide block.

5. A large-scale CNC machine tool safety protection device according to claim 1, characterized in that: Also includes: Sealing side panels are symmetrically arranged on both sides of the protective cover; A first induction member connected to a set of sealing side plates; The second induction component is connected to the machine tool body.

6. A large-scale CNC machine tool safety protection device according to claim 1, characterized in that: Also includes: The handle is connected to the protective cover.

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