Safety protection door for machining of numerical control milling machine

Abstract

The utility model provides a numerical control milling machine processing safety protection door which comprises a milling machine body, a protection door is arranged on the milling machine body in a sliding mode, a clamping groove is formed in the side wall, in the sliding direction of the protection door, of the milling machine body, and a limiting rod is arranged in the clamping groove. A clamping block used for being connected with the limiting rod in a clamped mode is arranged on the side, facing the clamping groove, of the protective door, and a connecting assembly used for enabling the protective door to rotate relative to the milling machine body is arranged on the protective door. The device is simple in structure and convenient to operate, and the overall stability and safety of equipment are high through limiting of the protective door during machining.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical manufacturing, in particular to a safety protection door processed by a numerically controlled milling machine. Background Art

[0002] CNC milling machine is a kind of equipment that can perform metal cutting processing by computer-controlled machine tools. It can automatically control the movement of workpieces in the three directions of X, Y, and Z according to the pre-designed program, and realize complex parts processing. CNC milling machines have the characteristics of high precision, high efficiency, and high stability, and are widely used in aerospace, automobile, mold manufacturing and other industries.

[0003] Common CNC milling machine protective doors are slidably set on the milling machine and opened and closed manually. This is because during milling machine processing, personnel often observe the workpiece through the protective door. When personnel lean on the protective door, it is easy for the protective door to open, which poses certain safety hazards.

[0004] In the prior art, the content disclosed in the utility model patent with publication number CN210173111U and the name of a safety protection door for a CNC machining center includes a machining center body, a protection door, a fixed door, a buffer rubber strip, a spring, a limit lock block and a slide rail. The buffer rubber strip is vertically fixedly installed on the left side of the door frame of the machining center body, and a buffer notch is provided on the buffer rubber strip. A buffer protrusion matching the buffer notch is fixedly provided on the protection door. A fixed frame is also provided on the inner side of the protection door. The two ends of the spring act on the fixed frame and the fixed door respectively. The limit lock block is rotatably installed on the machining center body. Although this type of protection door can make it difficult to open after closing through the rebound effect of the spring in actual use, the user needs to spend a lot of effort to open the protection door when replacing or installing the workpiece, and the protection door must be fixed first, which is not conducive to the replacement and installation of the workpiece, and affects the efficiency of the replacement and installation of the workpiece. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a safety protection door for machining a CNC milling machine, which is used to solve the technical problems that the protection door on the existing CNC equipment has potential safety hazards and is not conducive to the replacement and installation of workpieces.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A safety protection door for machining a CNC milling machine comprises a milling machine body, on which a protection door is slidably provided, a clamping groove is opened on the side wall of the milling machine body in the sliding direction of the protection door, a limiting rod is arranged in the clamping groove, a clamping block for clamping with the limiting rod is arranged on the side of the protection door facing the clamping groove, and a connecting component for rotating the protection door relative to the milling machine body is provided on the protection door.

[0008] Working principle:

[0009] The device is a safety protection door for CNC milling machine processing, and is mainly used to be installed on CNC equipment such as CNC milling machines, lathes, etc.

[0010] During installation, the protective door can be used by simply rotating it onto the milling machine body through the connecting assembly.

[0011] When in use, the protective door is pulled to slide on the milling machine body, so that the protective door is opened or closed relative to the workbench of the milling machine body. When the equipment is working, the protective door is first pulled to make one end of the driving block of the protective door move toward the clamping groove on the milling machine body. When the two are close, the protective door is rotated through the connecting component, the end of the clamping block is lifted and continues to slide, and finally the clamping block is clamped with the limit rod in the clamping groove through the connecting component.

[0012] Beneficial effects obtained:

[0013] First, by setting the protective door to slide, it is convenient for users to open and close the protective door, and it is convenient for replacing and installing workpieces.

[0014] Second, a clamping block and a limiting rod are provided, through which the protective door can be limited relative to the milling machine body when the equipment is working, to prevent personnel from opening the protective door easily in case of accidental touch.

[0015] Thirdly, a connecting assembly is provided, through which the protective door can be effectively rotated relative to the milling machine body, and the clamping block can be effectively clamped with the limit rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall installation of an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the connection structure between the protective door and the milling machine body;

[0018] Figure 3 for Figure 2 A schematic diagram of the structure at A;

[0019] Figure 4 It is a schematic diagram of the shape structure of the card block;

[0020] Figure 5 for Figure 2 Enlarged schematic diagram of the structure at B.

[0021] In the above drawings: 1. milling machine body; 2. protective door; 3. snap-in groove; 4. limit rod; 5. clamping block; 6. slide groove; 7. slide rod; 8. slide block; 9. rotating rod; 10. limit block; 11. bearing; 12. torsion spring; 13. protective shell; 14. observation panel; 15. handle. DETAILED DESCRIPTION

[0022] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] Example:

[0024] Reference Figure 1 to Figure 5 The device is a safety protection door for machining a CNC milling machine, comprising a milling machine body 1, on which a protection door 2 is slidably arranged, a slide groove 6 is provided on the side wall of the milling machine body 1, a horizontal slide bar 7 is provided in the slide groove 6, a slider 8 is slidably arranged on the slide bar 7, the side wall of the slider 8 is slidably abutted against the side wall of the slide groove 6, and the protection door 2 is rotatably mounted on the slider 8. This arrangement can effectively enable the slider 8 to slide along the slide bar 7 in the slide groove 6, and drive the protection door 2 to slide on the milling machine body 1.

[0025] like Figure 3 and Figure 4 As shown, the milling machine body 1 is provided with a snap-in groove 3 on the side wall in the sliding direction of the protective door 2, a limiting rod 4 is provided in the snap-in groove 3, and a clamping block 5 for clamping with the limiting rod 4 is provided on the side of the protective door 2 facing the snap-in groove 3. The clamping block 5 is hook-shaped. This arrangement can make the protective door 2 relatively fixed on the milling machine body 1 through the clamping of the clamping block 5 and the limiting rod 4 when the equipment is working.

[0026] like Figure 5As shown, the protective door 2 is provided with a connection assembly for rotating the protective door 2 relative to the milling machine body 1. The connection assembly includes a rotating rod 9 and two limit blocks 10. A bearing member 11 is rotatably provided on the slider 8. The bearing member 11 is a common connection member with a bearing in the prior art, which can be rotatably connected. The rotating rod 9 is fixedly penetrated in the bearing member 11. The two limit blocks 10 are fixedly installed on the protective door 2 and are respectively located on both sides of the rotating rod 9. The ends of the two limit blocks 10 away from the protective door 2 extend above the slider 8. A torsion spring 12 is sleeved on the rotating rod 9. One end of the torsion spring 12 is fixedly connected to the slider 8, and the other end is fixedly connected to the rotating rod 9. There are two connection assemblies, which are respectively located at the top and bottom of the protective door 2. This arrangement can effectively rotate the rotating rod 9 in the bearing member 11, thereby driving the protective door 2 to rotate relative to the milling machine body 1. The two limit blocks 10 can effectively limit the rotation range of the protective door 2. When one side is rotated to the maximum range, one of the limit blocks 10 abuts against the slider 8, and when it rotates away from the side of the clamping block 5, the maximum rotation range is just enough to make the bottom of the clamping block 5 slightly higher than the limit rod 4, and the clamping block 5 is clamped with the limit rod 4 through the rebound force of the torsion spring 12, and the torsion spring 12 can keep the protective door 2 rotating in the direction of the milling machine body 1.

[0027] like Figure 1 As shown, the milling machine body 1 is provided with a protective shell 13, and the protective shell 13 covers the connecting components. The protective door 2 is provided with a transparent observation panel 14, and a handle 15 is provided on one side of the observation panel 14, so that the user can move or rotate the protective door 2 conveniently.

[0028] Working principle:

[0029] When in use, the handle 15 is pulled to make the protective door 2 slide on the milling machine body 1, so that the protective door 2 is opened or closed relative to the workbench of the milling machine body 1. When the equipment is working, the protective door 2 is first pulled to make one end of the driving block 5 of the protective door 2 move toward the clamping groove 3 on the milling machine body 1. When the two are close, the protective door 2 is rotated by rotating the rotating rod 9 in the bearing member 11, and the end of the clamping block 5 is further lifted and continues to slide toward the limit rod 4. Finally, the rebound force of the torsion spring 12 makes the clamping block 5 clamped with the limit rod 4 in the clamping groove 3, which can effectively prevent the protective door 2 from being opened by accident. The device has a simple structure and is easy to operate. The limiting of the protective door 2 during processing makes the overall stability and safety of the equipment higher.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A safety protection door for machining a CNC milling machine, comprising a milling machine body (1), characterized in that: A protective door (2) is slidably provided on the milling machine body (1); a clamping groove (3) is provided on the side wall of the milling machine body (1) in the sliding direction of the protective door (2); a limiting rod (4) is provided in the clamping groove (3); a clamping block (5) for clamping with the limiting rod (4) is provided on the side of the protective door (2) facing the clamping groove (3); and a connecting component for rotating the protective door (2) relative to the milling machine body (1) is provided on the protective door (2).

2. A safety protection door for machining a CNC milling machine according to claim 1, characterized in that: A slide groove (6) is provided on the side wall of the milling machine body (1), a horizontal slide rod (7) is provided in the slide groove (6), a slider (8) is slidably provided on the slider rod (7), the side wall of the slider (8) is slidably abutted against the side wall of the slide groove (6), and the protective door (2) is rotatably mounted on the slider (8).

3. A safety protection door for machining a CNC milling machine according to claim 2, characterized in that: The connecting assembly comprises a rotating rod (9) and two limit blocks (10); a bearing member (11) is rotatably provided on the slider (8); the rotating rod (9) is fixedly inserted into the bearing member (11); the two limit blocks (10) are fixedly installed on the protective door (2) and are respectively located on both sides of the rotating rod (9); and the ends of the two limit blocks (10) away from the protective door (2) both extend above the slider (8).

4. A safety protection door for machining a CNC milling machine according to claim 3, characterized in that: A torsion spring (12) is sleeved on the rotating rod (9); one end of the torsion spring (12) is fixedly connected to the slider (8), and the other end of the torsion spring (12) is fixedly connected to the rotating rod (9).

5. The safety protection door for machining a CNC milling machine according to claim 1, characterized in that: There are two connecting components, which are respectively located at the top and the bottom of the protective door (2).

6. The safety protection door for machining a CNC milling machine according to claim 1, characterized in that: A protective shell (13) is provided on the milling machine body (1), and the protective shell (13) covers the connecting components.

7. The safety protection door for machining a CNC milling machine according to claim 1, characterized in that: The protective door (2) is provided with a transparent observation panel (14), and a handle (15) is provided on one side of the observation panel (14).

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