Electrical protection device of numerical control machine tool

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses an electrical protection device of a numerical control machine tool, which comprises a base, supporting legs are fixedly connected to the periphery of the bottom of the base, a protection shell is mounted at the top of the base, and two upper shells are fixedly connected to the two sides of the protection shell. The device comprises a base, two lower shells are fixedly connected to the two sides of the base, clamping grooves are formed in the two ends of each upper shell, clamping blocks are slidably connected to the interiors of the clamping grooves, transmission plates are fixedly connected to the opposite faces of the clamping blocks, and movable plates are rotatably connected to the two sides of the bottom end of each transmission plate. According to the electrical protection device of the numerical control machine tool, a square plate is pulled to drive a pull rod to move downwards, a movable plate pulls a transmission plate to drive a clamping block to be separated from the interior of a clamping groove, a user can conveniently separate the upper shell from the lower shell, then the base and the protection shell are conveniently disassembled, the structure is stable, operation is easy and convenient, and the assembling and disassembling efficiency of the user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to an electrical protection device for numerical control machine tools. Background Art

[0002] A CNC machine tool is an automated machine tool equipped with a program control system that can logically process programs specified by control codes or other symbolic instructions, decode them, represent them in coded numbers, and input them into the CNC device through information carriers. The protection of CNC machine tools can not only prevent operators from contacting the rotating and friction parts of the machine tools, but also prevent flying chips, workpieces, cutting tools and other foreign objects from injuring people.

[0003] With respect to the existing related technologies, the inventors believe that the following defects often exist: the electrical protection devices of existing CNC machine tools are time-consuming and labor-intensive to install, and the operation is too complicated, which increases the workload of operators and thus affects the installation and removal efficiency of operators. Utility Model Content

[0004] The technical problem to be solved by the utility model is that: the existing technology has the disadvantage that the electrical protection device of the CNC machine tool cannot be quickly installed and disassembled, so we propose an electrical protection device for the CNC machine tool.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: an electrical protection device for a CNC machine tool, comprising a base, support legs are fixedly connected to the four sides of the bottom of the base, a protective shell is installed on the top of the base, two upper shells are fixedly connected to the two sides of the protective shell, two lower shells are fixedly connected to the two sides of the base, a card slot is opened at both ends of the upper shell, a card block is slidably connected to the inside of the card slot, a transmission plate is fixedly connected to the facing surfaces of the card block, both sides of the bottom end of the transmission plate are rotatably connected to movable plates, the other end of the movable plate is rotatably connected to a fixed shaft, the surface of the fixed shaft is fixedly connected to a pull rod, and the bottom of the pull rod is fixedly connected to a square plate.

[0006] Preferably, a fixing rod is fixedly connected to the interior of the lower shell, a through hole is opened on the surface of the transmission plate, and an inner cavity of the through hole is slidably connected to the surface of the fixing rod.

[0007] Preferably, a travel groove is provided inside the lower shell body, and the inside of the travel groove is slidably connected to the surface of the fixed shaft.

[0008] Preferably, a slide groove is provided at the bottom end of the card slot, and the inner wall of the slide groove is slidably connected to the bottom end of the card block.

[0009] Preferably, a pressure spring is slidably connected to the surface of the fixing rod, and both ends of the pressure spring are fixedly connected to the transmission plate.

[0010] Preferably, both sides of the top of the protective shell are slidably connected with protective doors, the surface of the protective door is provided with an observation window, and the front end of the protective door is fixedly connected with a handle.

[0011] Preferably, the front end of the protective door is rotatably connected to a connecting plate, the bottom of the connecting plate is fixedly connected to a fixing block, and the front end of the protective shell is provided with a plurality of fixing grooves.

[0012] Technical effects and advantages of the utility model:

[0013] In the utility model, the square plate is pulled to drive the pull rod to move downward, so that the movable plate pulls the transmission plate to drive the card block to disengage from the inside of the card slot. At this time, it is convenient for the user to separate the upper shell from the lower shell, and then to disassemble the base and the protective shell. The structure is stable, the operation is simple and convenient, and the installation and disassembly efficiency of the user is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 It is a cross-sectional structural diagram of the installation and removal mechanism of the utility model;

[0016] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the fixing mechanism of the utility model;

[0018] Figure 5 For this utility model Figure 4 A partial enlarged view of point B in the middle.

[0019] Legend: 1. Base; 2. Support legs; 3. Protective shell; 4. Upper shell; 5. Lower shell; 6. Slot; 7. Block; 8. Transmission plate; 9. Movable plate; 10. Fixed shaft; 11. Pull rod; 12. Square plate; 13. Fixed rod; 14. Through hole; 15. Travel groove; 16. Slide groove; 17. Pressure spring; 18. Protective door; 19. Observation window; 20. Handle; 21. Connecting plate; 22. Fixed block; 23. Fixed groove. DETAILED DESCRIPTION

[0020] The present invention will now be further described in detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0021] Reference Figure 1 - Figure 5 As shown, the utility model provides a technical solution: an electrical protection device for a CNC machine tool, comprising a base 1, supporting legs 2 are fixedly connected to the four sides of the bottom of the base 1, a protective shell 3 is installed on the top of the base 1, two upper shells 4 are fixedly connected to the two sides of the protective shell 3, two lower shells 5 are fixedly connected to the two sides of the base 1, and a card slot 6 is opened at both ends of the upper shell 4, a card block 7 is slidably connected to the inside of the card slot 6, and a transmission plate 8 is fixedly connected to the opposite surface of the card block 7, and both sides of the bottom end of the transmission plate 8 are rotatably connected to a movable plate 9, and the other end of the movable plate 9 is rotatably connected to a fixed shaft 10, and a pull rod 11 is fixedly connected to the surface of the fixed shaft 10, and a square plate 12 is fixedly connected to the bottom of the pull rod 11, and the pull rod 11 is driven to move downward by pulling the square plate 12, so that the movable plate 9 pulls the transmission plate 8 to drive the card block 7 to leave the inside of the card slot 6, so that the user can separate the upper shell 4 from the lower shell 5, and then it is convenient to disassemble the base 1 and the protective shell 3, the structure is stable, the operation is simple and convenient, and the installation and disassembly efficiency of the user is improved.

[0022] Reference Figure 1 - Figure 3 As shown, in this embodiment: a fixing rod 13 is fixedly connected to the interior of the lower shell 5, a through hole 14 is opened on the surface of the transmission plate 8, and the inner cavity of the through hole 14 is slidably connected to the surface of the fixing rod 13. By setting the structure of the fixing rod 13 and the through hole 14, the transmission plate 8 can remain stable during movement.

[0023] Reference Figure 1 - Figure 3 As shown, in this embodiment: a travel groove 15 is opened inside the lower shell body 5, and the inside of the travel groove 15 is slidably connected to the surface of the fixed shaft 10. By setting the travel groove 15, the position of the fixed shaft 10 can be limited to avoid tilting.

[0024] Reference Figure 1 - Figure 3 As shown, in this embodiment: a slide groove 16 is provided at the bottom end of the card slot 6, and the inner wall of the slide groove 16 is slidably connected to the bottom end of the card block 7. By providing the slide groove 16, the card block 7 can be assisted in moving.

[0025] Reference Figure 1 - Figure 3 As shown, in this embodiment: the surface of the fixed rod 13 is slidably connected with a pressure spring 17, and both ends of the pressure spring 17 are fixedly connected to the transmission plate 8. When the user fixes the upper shell 4 and the lower shell 5, the pressure spring 17 is set to avoid shaking of the device during operation, so that the position of the block 7 moves, and the force of the pressure spring 17 is used to limit the block 7.

[0026] Reference Figure 1 , Figure 4 and Figure 5 As shown, in this embodiment: protective doors 18 are slidably connected to both sides of the top of the protective shell 3, an observation window 19 is provided on the surface of the protective door 18, and a handle 20 is fixedly connected to the front end of the protective door 18. By providing the observation window 19, it is convenient for the user to observe the working status of the internal electrical components when the device is running.

[0027] Reference Figure 1 , Figure 4 and Figure 5 As shown, in this embodiment: the front end of the protective door 18 is rotatably connected to a connecting plate 21, the bottom of the connecting plate 21 is fixedly connected to a fixing block 22, and a plurality of fixing grooves 23 are provided at the front end of the protective shell 3. By setting the structure of the connecting plate 21, the fixing block 22 and the fixing groove 23, the position of the protective door 18 can be fixed.

[0028] The utility model works as follows: the user pulls the square plate 12 to drive the pull rod 11 to move downward, so that the movable plate 9 pulls the transmission plate 8 to drive the card block 7 to be separated from the inside of the card slot 6. At this time, it is convenient for the user to separate the upper shell 4 from the lower shell 5, and then it is convenient to disassemble the base 1 and the protective shell 3. The structure is stable, the operation is simple and convenient, and the installation and removal efficiency of the user is improved. By setting the structure of the fixing rod 13 and the through hole 14, the transmission plate 8 can be kept stable when moving. By setting the travel groove 15, the position of the fixed shaft 10 can be limited to avoid tilting. By setting the slide groove 16, the card block 7 can be assisted in moving. After the user fixes the upper shell 4 and the lower shell 5, the pressure spring 17 is set to avoid shaking during the operation of the device, so that the position of the card block 7 is moved, and the force of the pressure spring 17 is used to limit the card block 7. By setting the observation window 19, it is convenient for the user to observe the working state of the internal electrical components when the device is running. By setting the structure of the connecting plate 21, the fixing block 22 and the fixing groove 23, the position of the protective door 18 can be fixed.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrical protection device for a numerically controlled machine tool, comprising a base (1), characterized in that: The base (1) is fixedly connected with supporting legs (2) on all sides of the bottom, a protective shell (3) is installed on the top of the base (1), two upper shells (4) are fixedly connected to both sides of the protective shell (3), two lower shells (5) are fixedly connected to both sides of the base (1), a card slot (6) is provided at both ends of the upper shell (4), a card block (7) is slidably connected inside the card slot (6), a transmission plate (8) is fixedly connected to the facing surface of the card block (7), both sides of the bottom end of the transmission plate (8) are rotatably connected with movable plates (9), the other end of the movable plate (9) is rotatably connected with a fixed shaft (10), a pull rod (11) is fixedly connected to the surface of the fixed shaft (10), and a square plate (12) is fixedly connected to the bottom of the pull rod (11).

2. The electrical protection device for a CNC machine tool according to claim 1, characterized in that: A fixing rod (13) is fixedly connected to the interior of the lower shell (5), a through hole (14) is opened on the surface of the transmission plate (8), and the inner cavity of the through hole (14) is slidably connected to the surface of the fixing rod (13).

3. The electrical protection device for a CNC machine tool according to claim 1, characterized in that: A travel groove (15) is provided inside the lower housing (5), and the inside of the travel groove (15) is slidably connected to the surface of the fixed shaft (10).

4. The electrical protection device for a CNC machine tool according to claim 1, characterized in that: A sliding groove (16) is provided at the bottom end of the clamping groove (6), and the inner wall of the sliding groove (16) is slidably connected to the bottom end of the clamping block (7).

5. The electrical protection device for a CNC machine tool according to claim 2, characterized in that: A pressure spring (17) is slidably connected to the surface of the fixed rod (13), and both ends of the pressure spring (17) are fixedly connected to the transmission plate (8).

6. The electrical protection device for a CNC machine tool according to claim 1, characterized in that: Both sides of the top of the protective shell (3) are slidably connected to protective doors (18), an observation window (19) is provided on the surface of the protective door (18), and a handle (20) is fixedly connected to the front end of the protective door (18).

7. The electrical protection device for a CNC machine tool according to claim 6, characterized in that: The front end of the protective door (18) is rotatably connected to a connecting plate (21), the bottom of the connecting plate (21) is fixedly connected to a fixing block (22), and the front end of the protective shell (3) is provided with a plurality of fixing grooves (23).

Images