Safety door of machine tool

By using reinforcement ribs, buffer materials and reset structure design in machine tool safety doors, the existing safety doors are easily broken down and opened by debris and accidentally touched, which significantly improves safety and stability.

CN222493333UActive Publication Date: 2025-02-18CHANGSHA XIANGRUI HEAVY IND
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420434209.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-06
Publication Date
2025-02-18
Estimated Expiration
2034-03-06

AI Technical Summary

Technical Problem

The existing machine tool safety doors have the risk of being broken down by debris, and vibration or accidental contact of the machine tool may cause the safety door to open, increasing the operating risk.

Method used

A machine tool safety door is designed, using the first door panel and the second door panel with multiple reinforcement ribs and buffer materials respectively. Through the connection method of the jamming slot and the jamming pin, combined with the reset structure, the stable connection and safe closing of the door panel are ensured.

Benefits of technology

It effectively improves the structural strength and buffering ability of the safety door, prevents debris from breaking through, and prevents accidentally touching and opening through the reset structure, significantly reducing the operating risk.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222493333U_ABST
    Figure CN222493333U_ABST
Patent Text Reader

Abstract

The utility model discloses a machine tool safety door which comprises a first door plate and a second door plate, the first door plate and the second door plate are each provided with a plurality of reinforcing ribs, a plurality of filling areas are formed among the reinforcing ribs, and buffering materials are installed in the filling areas. The second door plate is further provided with a clamping groove. The rotating piece is rotationally mounted on the first door plate around the axis of the rotating piece; the bayonet lock is connected with the rotating piece, and the rotating piece rotates to drive the bayonet lock to rotate synchronously; the bayonet lock is provided with an embedded position embedded into the clamping groove, and when the bayonet lock is located at the embedded position, the first door plate and the second door plate are connected; the two ends of the reset structure are connected with the rotating part and the first door plate correspondingly, and the reset structure is used for driving the rotating part to reset to the embedded position. The safety door of the machine tool is good in safety and not prone to being opened by mistaken touch, and the safety of operation can be effectively improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of machine tools, in particular to a safety door for machine tools. Background Art

[0002] When machining workpieces, machine tools will generate a large amount of debris. The high-speed splashing debris can easily cause harm to workers. Therefore, it is necessary to set up a shell outside some machine tools and install a safety door on the shell. However, most of the current safety doors are made of only a thin piece of metal and have a simple locking method, which leads to the risk of the safety door being pierced by larger debris. There is also the problem of the safety door being opened due to machine tool vibration or accidental touch, which increases the risk of operation. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a machine tool safety door, which has good safety and is not easy to be opened by accident, and can effectively improve the safety of operation.

[0004] The machine tool safety door according to the embodiment of the utility model comprises:

[0005] A first door panel, one side of which is provided with a plurality of first reinforcing ribs, a plurality of first filling areas are formed between the plurality of first reinforcing ribs, and a buffer material is installed in each of the plurality of first filling areas;

[0006] A second door panel, one side of which is provided with a second reinforcing rib, a plurality of second filling areas are formed between the plurality of the second reinforcing ribs, and a buffer material is installed in each of the plurality of the second filling areas; the second door panel is also provided with a card slot;

[0007] A rotating member, rotatably mounted on the first door panel around its own axis;

[0008] A bayonet connected to the rotating member, wherein the rotation of the rotating member can drive the bayonet to rotate synchronously; the bayonet has an embedded position embedded in the slot, and the bayonet connects the first door panel and the second door panel when in the embedded position;

[0009] A reset structure, with two ends respectively connected to the rotating member and the first door panel, and the reset structure is used to drive the rotating member to reset to the embedded position.

[0010] The machine tool safety door according to the embodiment of the utility model has at least the following beneficial effects:

[0011] The first door panel is provided with a first reinforcing rib, and the second door panel is provided with a second reinforcing rib, which can effectively improve the structural strength of the first door panel and the second door panel; at the same time, the first door panel and the second door panel are both installed with buffer materials, which can effectively prevent the first door panel and the second door panel from being pierced by debris, thereby improving the safety of operation; the first door panel and the second door panel are connected only by a card slot and a card pin, and the connection method is simple and the manufacturing cost is low; a reset structure is provided to drive the rotating part to reset to the embedded position, which can effectively prevent the rotating part from moving incorrectly and causing the first door panel and the second door panel to disengage, thereby further improving safety.

[0012] According to some embodiments of the utility model, the rotating member includes a rotating shaft and a rotating cap, the rotating shaft is passed through the first door panel, and the rotating cap is detachably connected to the rotating shaft; the rotating cap has a accommodating cavity, and the reset structure is installed in the accommodating cavity.

[0013] According to some embodiments of the utility model, the rotating shaft is provided with a first mounting structure radially protruding from its surface, the first door panel is provided with a second mounting structure, and both ends of the reset structure are respectively connected to the first mounting structure and the second mounting structure.

[0014] According to some embodiments of the utility model, the outer peripheral surface of the rotating cap is provided with ridges protruding from the surface.

[0015] According to some embodiments of the present invention, the reset structure is a coil spring.

[0016] According to some embodiments of the utility model, a first installation area is formed between multiple first reinforcing ribs, and the rotating part is arranged in the first installation area; a second installation area is formed between multiple second reinforcing ribs, and the card slot is arranged in the second installation area; the first installation area and the second installation area are arranged opposite to each other.

[0017] According to some embodiments of the present invention, part of the first reinforcing ribs can limit the end point of the travel of the latch.

[0018] According to some embodiments of the present invention, the thickness of the first mounting area is greater than the thickness of the first filling area;

[0019] And / or, the thickness of the second mounting area is greater than the thickness of the second filling area.

[0020] According to some embodiments of the utility model, the first door panel is installed with a mesh plate and a sealing plate, the mesh plate covers the first reinforcing rib, the mesh plate is used to fix the buffer material; the sealing plate covers the mesh plate, the sealing plate is used to seal the mesh plate;

[0021] The second reinforcing rib is also covered with the mesh plate and the sealing plate.

[0022] According to some embodiments of the present invention, a connection structure is provided on the top and the bottom of the first door panel, and the connection structure is used to be connected to the outer shell of the machine tool.

[0023] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0025] Figure 1 It is a schematic diagram of the assembly of an embodiment of the utility model;

[0026] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0027] Figure 3 This is a schematic diagram of the structure of the card slot and the card pin of an embodiment of the utility model;

[0028] Figure 4 for Figure 3 Enlarged view of point B in the middle.

[0029] Figure Number:

[0030] A first door panel 100, a first reinforcing rib 110, a first filling area 111, a first mounting area 112, and a second mounting structure 120;

[0031] The second door panel 200, the second reinforcing rib 210, the second filling area 211, the second installation area 212, and the card slot 220;

[0032] Rotating member 300, rotating shaft 310, first mounting structure 311, rotating cap 320;

[0033] Bayonet 400;

[0034] Reset structure 500;

[0035] The mesh plate 610 and the sealing plate 620 . DETAILED DESCRIPTION

[0036] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0037] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0039] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0040] Reference Figures 1 to 4 The machine tool safety door of the utility model embodiment includes a first door panel 100 and a second door panel 200, referring to Figure 3 As shown, the first door panel 100 is installed with a bayonet 400, and the second door panel 200 is provided with a slot 220. The bayonet 400 is embedded in the slot 220 to achieve the connection between the first door panel 100 and the second door panel 200. The machine tool is provided with a shell, and preferably, a connecting structure is provided at the top and bottom of the first door panel 100, and the connecting structure is used to connect with the shell of the machine tool to improve the stability of the first door panel 100 and the second door panel 200; further preferably, the top and bottom of the second door panel 200 can also be provided with a connecting structure connected to the shell. The connecting structure can be a bolt or a buckle. The bayonet 400 and the slot 220 are arranged in the middle of the safety door, and the connecting structure is arranged at the top and bottom of the safety door, thereby ensuring the stability of the safety door.

[0041] In the embodiment of the utility model, the first door panel 100 is provided with a rotating member 300 rotating around its own axis, the bayonet 400 is connected to the rotating member 300, and the rotating member 300 can drive the bayonet 400 to rotate synchronously when rotating; the bayonet 400 has an embedded position embedded in the slot 220, and the bayonet 400 connects the first door panel 100 and the second door panel 200 when in the embedded position. The safety door of this embodiment also includes a reset structure 500, and the two ends of the reset structure 500 are respectively connected to the rotating member 300 and the first door panel 100, and the reset structure 500 is used to drive the rotating member 300 to reset to the embedded position. The first door panel 100 and the second door panel 200 are connected only through the slot 220 and the bayonet 400, and the connection method is simple and the manufacturing cost is low; the reset structure 500 is provided to drive the rotating member 300 to reset to the embedded position, which can effectively prevent the rotating member 300 from moving incorrectly and causing the first door panel 100 and the second door panel 200 to disengage, further improving the safety.

[0042] In an embodiment of the utility model, in order to further enhance the safety of the safety door of this embodiment, a plurality of first reinforcing ribs 110 are provided on one side of the first door panel 100, a plurality of first filling areas 111 are formed between the plurality of first reinforcing ribs 110, and cushioning materials are installed in the plurality of first filling areas 111; similarly, a second reinforcing rib 210 is provided on one side of the second door panel 200, a plurality of second filling areas 211 are formed between the plurality of second reinforcing ribs 210, and cushioning materials are installed in the plurality of second filling areas 211. The structure and arrangement of the first reinforcing rib 110 and the second reinforcing rib 210 can be selected according to actual conditions; the first reinforcing rib 110 is provided on the inner side of the first door panel 100, that is, the side of the first door panel 100 facing the machine tool; similarly, the second reinforcing rib 210 is provided on the inner side of the second door panel 200, that is, the side of the second door panel 200 facing the machine tool. Reference Figure 3 As shown, there are multiple first filling areas 111, and the areas of the multiple first filling areas 111 are not exactly the same. The buffer material can be cut to the same shape as the first filling area 111 to fill the first filling area 111; similarly, there are multiple second filling areas 211, and the areas of the multiple second filling areas 211 are not exactly the same. The buffer material can be cut to the same shape as the second filling area 211 to fill the second filling area 211. The buffer material installed in the first filling area 111 is the same as the buffer material installed in the second filling area 211, and the buffer material can be made of materials such as sponge, which can effectively prevent the debris generated during the machine tool processing from penetrating the first door panel 100 or the second door panel 200, thereby improving the safety of the operation.

[0043] In the embodiment of the utility model, the rotating member 300 includes a rotating shaft 310 and a rotating cap 320. The rotating shaft 310 is disposed through the first door panel 100. The rotating cap 320 is detachably connected to the rotating shaft 310. The rotating cap 320 has a receiving cavity, and the reset structure 500 is installed in the receiving cavity. Figure 1 , Figure 2 As shown, the first door panel 100 is provided with a through hole for the rotating shaft 310 to pass through, the outer surface of the rotating shaft 310 is a smooth surface, the rotating cap 320 is connected to the first end of the rotating shaft 310 in the length direction, the bayonet 400 is connected to the second end of the rotating shaft 310 in the length direction, and the bayonet 400 and the rotating cap 320 are respectively arranged on opposite sides of the first door panel 100. The rotating cap 320 and the rotating shaft 310 can be detachably connected in a variety of ways, such as sleeve connection or connection through a pin shaft, etc., and a suitable connection method can be selected according to actual conditions. It should be noted that the rotating cap 320 and the rotating shaft 310 rotate synchronously.

[0044] In the embodiment of the utility model, the rotating shaft 310 is provided with a first mounting structure 311 radially protruding from its surface, the first door panel 100 is provided with a second mounting structure 120, and both ends of the reset structure 500 are respectively connected to the first mounting structure 311 and the second mounting structure 120. Figure 2 , Figure 4 As shown, the reset structure 500 in this embodiment is a coil spring, and the two ends of the coil spring are respectively connected to the first mounting structure 311 and the second mounting structure 120. When the rotating cap 320 is rotated to make the latch pin 400 disengage from the contact with the slot 220, the coil spring will be driven to reel up. Therefore, when the safety door is closed to a suitable position and the rotating cap 320 is released, the coil spring will release elastic potential energy to push the latch pin 400 to reset to the embedded position; and by providing the reset structure 500, even if the rotating cap 320 is accidentally touched during operation, the reset structure 500 will promptly push the latch pin 400 to reset, thereby stabilizing the latch pin 400 in the embedded position, ensuring the stable closure of the safety door, and thereby improving the safety of the operation.

[0045] It is conceivable that the reset structure 500 is not limited to using a coil spring, but may also use a torsion spring or other structures.

[0046] In the embodiment of the present utility model, the outer peripheral surface of the rotating cap 320 is provided with ridges protruding from the surface. Figure 2 As shown, the ribs are provided to increase the friction of the rotating cap 320 , thereby facilitating manual rotation of the rotating cap 320 .

[0047] In the embodiment of the utility model, a first installation area 112 is formed between the plurality of first reinforcing ribs 110, and the rotating member 300 is disposed in the first installation area 112; a second installation area 212 is formed between the plurality of second reinforcing ribs 210, and the slot 220 is disposed in the second installation area 212; the first installation area 112 and the second installation area 212 are disposed opposite to each other. Figure 3 As shown, the first installation area 112 and the second installation area 212 are both triangular in shape, and the first installation area 112 and the second installation area 212 are symmetrically arranged. The first installation area 112 is arranged at the edge of the first door panel 100, and the second installation area 212 is located at the edge of the second door panel 200.

[0048] Furthermore, part of the first reinforcing rib 110 can limit the end position of the travel of the latch 400. Figure 4 As shown, the first installation area 112 is triangular, and two intersecting first reinforcing ribs 110 form two short sides of the first installation area 112, wherein both short sides can limit the end position of the travel of the rotating member 300; wherein, when the latch 400 rotates to a position parallel to one of the short sides, the latch 400 can be completely received in the first installation area 112, thereby facilitating the opening of the safety door of this embodiment. The first reinforcing rib 110 is used to limit the latch 400, effectively utilizing the existing structure, thereby reducing the number of components and reducing the manufacturing cost of the first door panel 100.

[0049] In an embodiment of the present invention, the thickness of the first installation area 112 is greater than the thickness of the first filling area 111; and / or, the thickness of the second installation area 212 is greater than the thickness of the second filling area 211. Specifically, it is preferred that the thickness of the first installation area 112 is greater than the thickness of the first filling area 111 and the thickness of the second installation area 212 is greater than the thickness of the second filling area 211. It should be understood that the first installation area 112 and the second installation area 212 are not installed with a buffer structure, and the first installation area 112 and the second installation area 212 are provided with a card slot 220 and a card pin 400, so they need to withstand a large impact force, so thickening the first installation area 112 and the second installation area 212 can effectively improve the safety of the first door panel 100 and the second door panel 200.

[0050] In the embodiment of the utility model, the first door panel 100 is installed with a mesh plate 610 and a sealing plate 620. The mesh plate 610 covers the first reinforcing rib 110 and is used to fix the buffer material; the sealing plate 620 covers the mesh plate 610 and is used to seal the mesh plate 610; the second reinforcing rib 210 is also covered with the mesh plate 610 and the sealing plate 620. For details, refer to Figure 1As shown, the mesh plate 610 is used to fix the buffer material, and the mesh plate 610 and the first door panel 100 can be connected by nailing or tying, and the sealing plate 620 and the first door panel 100 can be connected by welding. Similarly, the mesh plate 610 and the sealing plate 620 can also be connected to the second door panel 200 in the above manner.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0052] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A machine tool safety door, characterized in that: include: A first door panel, one side of which is provided with a plurality of first reinforcing ribs, a plurality of first filling areas are formed between the plurality of first reinforcing ribs, and a buffer material is installed in each of the plurality of first filling areas; A second door panel, one side of which is provided with a second reinforcing rib, a plurality of second filling areas are formed between the plurality of the second reinforcing ribs, and a buffer material is installed in each of the plurality of the second filling areas; the second door panel is also provided with a card slot; A rotating member, rotatably mounted on the first door panel around its own axis; A bayonet connected to the rotating member, wherein the rotation of the rotating member can drive the bayonet to rotate synchronously; the bayonet has an embedded position embedded in the slot, and the bayonet connects the first door panel and the second door panel when in the embedded position; A reset structure, with two ends respectively connected to the rotating member and the first door panel, and the reset structure is used to drive the rotating member to reset to the embedded position.

2. The machine tool safety door according to claim 1, characterized in that: The rotating member includes a rotating shaft and a rotating cap, wherein the rotating shaft is passed through the first door panel, and the rotating cap is detachably connected to the rotating shaft; the rotating cap has a receiving cavity, and the reset structure is installed in the receiving cavity.

3. The machine tool safety door according to claim 2, characterized in that: The rotating shaft is provided with a first mounting structure radially protruding from its surface, the first door panel is provided with a second mounting structure, and both ends of the reset structure are respectively connected to the first mounting structure and the second mounting structure.

4. The machine tool safety door according to claim 2, characterized in that: The outer peripheral surface of the rotating cap is provided with ridges protruding from the surface.

5. The machine tool safety door according to claim 1, characterized in that: The reset structure is a coil spring.

6. The machine tool safety door according to claim 1, characterized in that: A first installation area is formed between the plurality of the first reinforcing ribs, and the rotating member is arranged in the first installation area; a second installation area is formed between the plurality of the second reinforcing ribs, and the card slot is arranged in the second installation area; the first installation area and the second installation area are arranged opposite to each other.

7. The machine tool safety door according to claim 6, characterized in that: Part of the first reinforcing ribs can limit the end point of the travel of the latch.

8. The machine tool safety door according to claim 6, characterized in that: The thickness of the first mounting area is greater than the thickness of the first filling area; And / or, the thickness of the second mounting area is greater than the thickness of the second filling area.

9. The machine tool safety door according to claim 1, characterized in that: The first door panel is equipped with a mesh plate and a sealing plate, wherein the mesh plate covers the first reinforcing rib and is used to fix the buffer material; the sealing plate covers the mesh plate and is used to seal the mesh plate; The second reinforcing rib is also covered with the mesh plate and the sealing plate.

10. The machine tool safety door according to claim 1, characterized in that: The top and bottom of the first door panel are both provided with connection structures, and the connection structures are used to be connected to the shell of the machine tool.