Protective device for pedal type control switch of machine tool

Abstract

The utility model relates to the technical field of machine tool switches, and discloses a protective device of a machine tool pedal type control switch, which comprises a first mounting shell and a second mounting shell arranged on one side of the first mounting shell, and a connecting part for adjusting the distance between the first mounting shell and the second mounting shell is arranged between the first mounting shell and the second mounting shell. The top end of the first mounting shell is rotationally connected with a protective shell through a rotating shaft, a machine tool pedal switch is arranged in the first mounting shell, an adjusting pipe is slidably arranged at the end, close to the second mounting shell, of the rotating shaft, and a driven gear is arranged at the end, close to the second mounting shell, of the adjusting pipe. The machine tool pedal switch in the first installation shell can be completely protected through the arranged protection shell, and mistaken treading caused by the fact that a worker inserts the tiptoe into a gap between the pedal and the baffle in the walking process or mistaken treading caused by the fact that a workpiece falls on the ground and rebounds to the pedal can be effectively prevented. And opening and closing of the protection shell can be controlled through the arranged pedal, and the protection performance is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool switches, in particular to a protection device for a pedal type control switch of a machine tool. Background Art

[0002] The machine tool foot-operated control switch is a switch placed on the ground and controlled by stepping on it with the foot to control the operation of the machine tool. The existing machine tool foot switch usually includes a base, a box body, a baffle and a pedal. Although a baffle is provided above it to prevent workers from accidentally touching it, the gap between its pedal and the baffle is at least greater than the thickness of the toe of the shoe, usually greater than 8 cm. It is still possible for the staff to insert the toe into the gap between the pedal and the baffle during walking, resulting in accidental stepping;

[0003] After retrieval, for example, a protection device for a pedal type control switch of a machine tool disclosed in the application number 202222135818.7 includes a protection shell. The protection shell is movably provided with an opening and closing baffle, and the opening and closing baffle forms an openable and closable installation space with the protection shell through a spring. A rubber pad is also provided at the bottom of the protection shell. One end of the opening and closing baffle is fixedly provided with a turning ear, and a pedal type switch is detachably provided in the installation space. By setting a foot pedal type switch with a separate protection shell, it is avoided that during the operation of the machine tool, the operator and other personnel walking on the ground accidentally step on the pedal, further ensuring the safe operation of the machine tool. Moreover, the utility model applies the protection shell to the pedal type switch of the machine tool, with a simple and practical structure, low manufacturing cost, and practicability and simplicity, suitable for large-scale popularization and use;

[0004] However, the above method still has the following defects in actual use: Although the set protection shell can prevent the toe from being inserted into the gap and causing accidental stepping, no protection structure is provided above it, and it is possible that the workpiece falls to the ground and rebounds onto the pedal, resulting in accidental stepping. Therefore, the reliability of preventing accidental stepping is relatively low. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a protection device for a pedal type control switch of a machine tool, which has a better effect of preventing accidental stepping.

[0006] The above technical object of the utility model is achieved through the following technical solutions: A protective device for a pedal control switch of a machine tool, including a first mounting shell and a second mounting shell arranged on one side thereof. A connecting component for adjusting the distance between the two is provided between the first mounting shell and the second mounting shell. The top end of the first mounting shell is rotatably connected with a protective shell through a rotating shaft. A machine tool pedal switch is arranged inside the first mounting shell. One end of the rotating shaft close to the second mounting shell is slidably provided with an adjusting tube. One end of the adjusting tube close to the second mounting shell is provided with a driven gear. A foot pedal is rotatably arranged inside the second mounting shell through a connecting shaft. One end of the connecting shaft penetrates through the side wall of the second mounting shell and is installed with a driving gear meshed with the driven gear.

[0007] The further setting of the utility model is: The connecting component includes a connecting seat and an adjusting seat slidably connected therewith. The connecting seat is arranged on one side of the first mounting shell, and the adjusting seat is arranged on one side of the second mounting shell.

[0008] The further setting of the utility model is: A second guiding groove is provided on the side surface of the connecting seat. One end of the adjusting seat close to the first mounting shell is provided with a second limiting screw rod slidably connected with the second guiding groove. A second locking nut is threadedly arranged at the end of the second limiting screw rod.

[0009] The further setting of the utility model is: A fixing seat is provided on the back surface of the first mounting shell, and a rotating seat is provided on the back surface of the protective shell. And the rotating seat is rotatably connected with the fixing seat through a rotating shaft.

[0010] The further setting of the utility model is: One end of the rotating shaft close to the adjusting tube is provided with a first limiting screw rod. A first locking nut is threadedly arranged on the back surface of the first limiting screw rod. A first guiding groove slidably connected with the first limiting screw rod is provided on the surface of the adjusting tube.

[0011] The further setting of the utility model is: A supporting spring is provided at the bottom end of the foot pedal, and the bottom of the supporting spring is connected with the inner wall of the bottom end of the second mounting shell.

[0012] The further setting of the utility model is: Anti-slip pads are provided at the bottom ends of both the first mounting shell and the second mounting shell.

[0013] To sum up, the utility model has the following beneficial effects: The protective shell provided by the utility model can completely protect the machine tool pedal switch in the first mounting shell, effectively preventing the toes of the staff from being inserted into the gap between the pedal and the baffle during walking, resulting in accidental stepping, or preventing the workpiece from falling to the ground and rebounding onto the pedal, causing accidental stepping. And the foot pedal provided can control the opening and closing of the protective shell, further improving the protection performance. Description of the Drawings

[0014] Figure 1One of the three-dimensional structure diagrams of the present utility model;

[0015] Figure 2 Another three-dimensional structure diagram of the present utility model;

[0016] Figure 3 Structure diagram after the protective shell of the present utility model is opened;

[0017] Figure 4 For the present utility model Figure 1 Enlarged structure diagram at position A;

[0018] Figure 5 For the present utility model Figure 2 Enlarged structure diagram at position B;

[0019] Figure 6 For the present utility model Figure 2 Enlarged structure diagram at position C.

[0020] In the figure: 1. First mounting shell; 101. Fixed seat; 2. Machine tool pedal switch; 3. Protective shell; 301. Rotating seat; 4. Rotating shaft; 401. First limiting screw; 402. First locking nut; 5. Adjusting tube; 501. First guiding groove; 502. Driven gear; 6. Connecting component; 601. Connecting seat; 602. Second guiding groove; 603. Adjusting seat; 604. Second limiting screw; 605. Second locking nut; 7. Second mounting shell; 701. Foot pedal; 702. Connecting shaft; 703. Driving gear; 704. Supporting spring. Specific embodiments

[0021] The following will further illustrate the present utility model in conjunction with the drawings in the embodiments of the present utility model.

[0022] Please refer to Figures 1 to 6 , in the embodiments of the present utility model, a protective device for a machine tool pedal type control switch includes a first mounting shell 1 and a second mounting shell 7 provided on one side thereof. Anti-slip pads are provided at the bottom ends of the first mounting shell 1 and the second mounting shell 7 to play an anti-slip role. A connecting component 6 for adjusting the distance between the two is provided between the first mounting shell 1 and the second mounting shell 7 to adjust the distance between the first mounting shell 1 and the second mounting shell 7 and limit it to the feet of the staff;

[0023] The top end of the first mounting shell 1 is rotatably connected to the protective shell 3 through a rotating shaft 4. A machine tool pedal switch 2 is arranged inside the first mounting shell 1. One end of the rotating shaft 4 close to the second mounting shell 7 is slidably provided with an adjusting pipe 5. One end of the adjusting pipe 5 close to the second mounting shell 7 is provided with a driven gear 502. The position of the driven gear 502 is adjusted to be meshed and connected with the driving gear 703. Inside the second mounting shell 7, a foot pedal 701 is rotatably arranged through a connecting shaft 702. One end of the connecting shaft 702 penetrates through the side wall of the second mounting shell 7 and is provided with a driving gear 703 meshed and connected with the driven gear 502. When the driving gear 703 rotates, it can drive the protective shell 3 to flip;

[0024] In this embodiment, preferably, a fixed seat 101 is arranged on the back of the first mounting shell 1, and a rotating seat 301 is arranged on the back of the protective shell 3. And the rotating seat 301 is rotatably connected to the fixed seat 101 through the rotating shaft 4, which plays a guiding role in the rotation of the protective shell 3;

[0025] In this embodiment, preferably, one end of the rotating shaft 4 close to the adjusting pipe 5 is provided with a first limiting screw 401, and a first locking nut 402 is threadedly arranged on the back of the first limiting screw 401. The position of the adjusting pipe 5 is limited through the threaded cooperation between the first locking nut 402 and the first limiting screw 401. A first guiding groove 501 slidably connected to the first limiting screw 401 is arranged on the surface of the adjusting pipe 5, which plays a guiding and limiting role in the movement of the adjusting pipe 5;

[0026] In this embodiment, preferably, the connecting component 6 includes a connecting seat 601 and an adjusting seat 603 slidably connected thereto. The connecting seat 601 is arranged on one side of the first mounting shell 1, and the adjusting seat 603 is arranged on one side of the second mounting shell 7, so that the distance between the first mounting shell 1 and the second mounting shell 7 can be adjusted to correspond to the feet of different workers;

[0027] In this embodiment, preferably, a second guiding groove 602 is arranged on the side surface of the connecting seat 601, and a second limiting screw 604 slidably connected to the second guiding groove 602 is arranged at one end of the adjusting seat 603 close to the first mounting shell 1, which plays a guiding and limiting role in the movement of the adjusting seat 603. A second locking nut 605 is threadedly arranged at the end of the second limiting screw 604. The position of the adjusting seat 603 is limited through the threaded cooperation between the second locking nut 605 and the second limiting screw 604, so as to limit the distance between the first mounting shell 1 and the second mounting shell 7;

[0028] In this embodiment, preferably, a support spring 704 is arranged at the bottom end of the foot pedal 701, and the bottom of the support spring 704 is connected to the inner wall of the bottom end of the second mounting shell 7. The support spring 704 arranged is used for elastically supporting the foot pedal 701, so that it can play an automatic reset role when the foot pedal 701 is not subject to external force.

[0029] In use, first place the first mounting shell 1 and the second mounting shell 7 on the corresponding ground. Then adjust the distance between the first mounting shell 1 and the second mounting shell 7 to correspond to the positions of the staff's feet. After adjustment, tighten the locking nut 605 on the limit screw 604 to limit the positions of the first mounting shell 1 and the second mounting shell 7, and adjust the position of the adjusting tube 5 on the rotating shaft 4 to make the driven gear 502 meshed and connected with the driving gear 703. Then tighten the locking nut 402 on the limit screw 401 to limit the position of the driven gear 502.

[0030] When the machine tool pedal switch 2 is not in use, under the action of gravity, the protective shell 3 is installed at the top of the first mounting shell 1 to protect the machine tool pedal switch 2 inside, preventing the tip of the staff's toe from being inserted into the gap between the pedal and the baffle during walking, resulting in accidental stepping, or preventing the workpiece from falling to the ground and rebounding onto the pedal, causing accidental stepping.

[0031] When the machine tool pedal switch 2 needs to be used, a staff member steps on the foot pedal 701 with one foot, causing the foot pedal 701 to rotate about the connecting shaft 702 as the axis, making the driving gear 703 rotate. Under the meshing cooperation of the driving gear 703 and the driven gear 502, the rotating shaft 4 is driven to rotate, causing the protective shell 3 to flip upward. The staff member steps on the machine tool pedal switch 2 with the other foot to control the opening and closing of the machine tool.

[0032] The above description is only the preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features, and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. A protective device for a pedal control switch of a machine tool, comprising a first mounting shell (1) and a second mounting shell (7) arranged on one side thereof, characterized in that, A connecting component (6) for adjusting the distance between the first mounting shell (1) and the second mounting shell (7) is provided between the first mounting shell (1) and the second mounting shell (7). The top end of the first mounting shell (1) is rotatably connected to a protective shell (3) through a rotating shaft (4). A machine tool pedal switch (2) is arranged inside the first mounting shell (1). One end of the rotating shaft (4) close to the second mounting shell (7) is slidably provided with an adjusting pipe (5). One end of the adjusting pipe (5) close to the second mounting shell (7) is provided with a driven gear (502). A foot pedal (701) is rotatably arranged inside the second mounting shell (7) through a connecting shaft (702). One end of the connecting shaft (702) penetrates through the side wall of the second mounting shell (7) and is provided with a driving gear (703) meshed with the driven gear (502).

2. The protective device for the pedal control switch of the machine tool according to claim 1, characterized in that: The connecting component (6) includes a connecting seat (601) and an adjusting seat (603) slidably connected thereto. The connecting seat (601) is arranged on one side of the first mounting shell (1), and the adjusting seat (603) is arranged on one side of the second mounting shell (7).

3. The protective device for the machine tool pedal control switch according to claim 2, wherein: A second guiding groove (602) is arranged on the side surface of the connecting seat (601). One end of the adjusting seat (603) close to the first mounting shell (1) is provided with a second limiting screw rod (604) slidably connected to the second guiding groove (602). A second locking nut (605) is threadedly arranged at the end of the second limiting screw rod (604).

4. The protective device for the pedal-type control switch of a machine tool according to claim 1, characterized in that: A fixing seat (101) is arranged on the back surface of the first mounting shell (1). A rotating seat (301) is arranged on the back surface of the protective shell (3), and the rotating seat (301) is rotatably connected to the fixing seat (101) through a rotating shaft (4).

5. The protective device of the machine tool pedal control switch according to claim 1, characterized in that: One end of the rotating shaft (4) close to the adjusting pipe (5) is provided with a first limiting screw rod (401). A first locking nut (402) is threadedly arranged on the back surface of the first limiting screw rod (401). A first guiding groove (501) slidably connected to the first limiting screw rod (401) is arranged on the surface of the adjusting pipe (5).

6. The protective device for the machine tool pedal control switch according to claim 1, characterized in that: A supporting spring (704) is arranged at the bottom end of the foot pedal (701), and the bottom of the supporting spring (704) is connected to the inner wall of the bottom end of the second mounting shell (7).

7. The protective device for the machine tool pedal control switch according to claim 1, characterized in that: Anti-slip pads are arranged at the bottom ends of both the first mounting shell (1) and the second mounting shell (7).

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