Mechanical machine tool security device

Abstract

The utility model relates to the security technology field, concretely relates to a kind of mechanical machine tool security device, including machine tool body, the bottom end of machine tool body is equipped with foot trough, the side of foot trough is fixedly connected with baffle, the bottom end of machine tool body is fixedly connected with connecting frame, the one end of connecting frame is rotatably connected with footboard, the below of footboard is fixedly connected with spring, spring is fixedly connected with connecting frame, the one end of footboard is rotatably connected with first pull rod, the top of baffle is fixedly connected with power control block, the one end of power control block is equipped with first moving slot, the lower end of first moving slot is through baffle to foot trough, the top of first pull rod is rotatably connected with second pull rod, second pull rod is slidably connected in first moving slot. Compared with prior art, the present application avoids staff in preparation stage to touch the button of machine tool body table surface to make machine tool body work, so as to cause staff to be injured.

Description

Technical Field

[0001] This utility model relates to the field of security technology, and in particular to a security device for machine tools. Background Technology

[0002] Machine tools are machines used to manufacture machinery and equipment. They play a vital role in the modernization of the national economy. The quality of a machine tool directly affects the quality of the machines it produces. The quality of a machine tool is measured from many aspects, but the main requirements are good manufacturability, high degree of serialization, generalization and standardization, simple structure, light weight, reliable operation and high productivity.

[0003] However, in practical applications, there is still a problem that when using a machine tool, if the operator does not prepare for work after the machine tool is powered on, the operator may accidentally touch the switch on the top of the machine tool, which may cause the machine tool to start and threaten the operator's safety. Therefore, we disclose a machine tool safety device. Summary of the Invention

[0004] In view of this, the purpose of this utility model is to propose a security device for machine tools to solve the problem that the safety of workers is easily threatened.

[0005] To achieve the above objectives, this utility model provides a machine tool safety device, comprising a machine tool body, a foot pedal groove at the bottom of the machine tool body, a partition plate fixedly connected to one side of the foot pedal groove, a connecting frame fixedly connected to the bottom of the machine tool body, a foot pedal rotatably connected to one end of the connecting frame, a spring fixedly connected below the foot pedal, the spring being fixedly connected to the connecting frame, a first pull rod rotatably connected to one end of the foot pedal, a power control block fixedly connected to the top of the partition plate, a first moving groove at one end of the power control block, the lower end of the first moving groove penetrating the partition plate into the foot pedal groove, a second pull rod rotatably connected to the top of the first pull rod, the second pull rod slidingly connected within the first moving groove, a pressing plate fixedly connected to the top of the second pull rod, and a pressure switch located on the moving path of the pressing plate fixedly connected to the lower end of the first moving groove, the pressing plate pressing the pressure switch when the second pull rod moves downward.

[0006] Preferably, a telescopic rod is fixedly connected to the top of the connecting frame, one end of the telescopic rod is fixedly connected to the foot pedal, the telescopic rod is arc-shaped, the center of the telescopic rod and the rotation center of the foot pedal are the same point, and the spring is sleeved on the outside of the telescopic rod.

[0007] Preferably, a second moving groove is provided on both sides of the first moving groove, and a limiting block is fixedly connected to both sides of the top end of the second pull rod, the limiting block being slidably connected in the second moving groove.

[0008] Preferably, the foot pedal is located below the footrest groove.

[0009] Preferably, one end of the connecting frame is rotatably connected to two limiting rods, one end of the two limiting rods is movably engaged between the connecting frame and the foot pedal, the other end of the two limiting rods is rotatably connected, and a spring piece is fixedly connected between the two limiting rods.

[0010] Preferably, the two limiting rods are connected in a cross shape, and the limiting rods are L-shaped.

[0011] The beneficial effects of this utility model are as follows: When the worker steps on the top of the foot pedal, the foot pedal presses down on the telescopic rod, causing the first pull rod to pull the second pull rod downwards in the inner cavity of the first moving groove; the limiting block slides in the second moving groove and restricts the movement direction of the second pull rod, causing the pressing plate to approach and press against the pressure switch located on its movement path along the length direction of the first moving groove; the spring is sleeved on the outside of the arc-shaped telescopic rod and compresses concentrically with the foot pedal, and the telescopic rod guides and supports the spring, thereby avoiding the reciprocating deformation of the spring from causing lateral swaying of the foot pedal and the second pull rod; after the pressure switch is pressed, it connects the machine tool body to the power supply, preventing the worker from accidentally touching the button on the machine tool body table during the preparation stage, which could cause the machine tool body to work and thus cause injury to the worker. It can also prevent personnel other than the worker from accidentally touching the button on the machine tool body table, which could cause injury to the worker, thus improving the safety of the worker's operation. By limiting the rotation position of the limit rod through the connecting frame, the limit rod can restrict the relative movement between the connecting frame and the foot pedal, thereby preventing the foot pedal from moving downward and avoiding the foot pedal from being squeezed by external force to immediately start the machine tool body, further improving the safety of the machine tool body in use. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of an embodiment of the present utility model; Figure 2 This is a partially cutaway three-dimensional structural diagram of the partition of this utility model; Figure 3 This is a partially cutaway three-dimensional structural diagram of the power control block of this utility model; Figure 4 This is a schematic diagram of the connection structure of the second pull rod, the extrusion plate, and the pressure switch of this utility model.

[0014] The diagram is marked as follows: 1. Machine tool body; 2. Foot pedal groove; 3. Partition plate; 4. Connecting frame; 5. Foot pedal; 6. Spring; 7. Telescopic rod; 8. First pull rod; 9. Power control block; 10. First moving groove; 11. Second moving groove; 12. Second pull rod; 13. Limit block; 14. Extrusion plate; 15. Pressure switch; 16. Limit rod; 17. Spring. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0016] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0017] like Figures 1-4As shown, a machine tool safety device includes a machine tool body 1. A foot pedal groove 2 is formed at the bottom of the machine tool body 1. A partition 3 is fixedly connected to one side of the foot pedal groove 2. A connecting frame 4 is fixedly connected to the bottom of the machine tool body 1. A foot pedal 5 is rotatably connected to one end of the connecting frame 4. A spring 6 is fixedly connected below the foot pedal 5 and is fixedly connected to the connecting frame 4. A first pull rod 8 is rotatably connected to one end of the foot pedal 5. A power control block 9 is fixedly connected to the top of the partition 3. A first moving groove 10 is formed at one end of the power control block 9. The lower end of the first moving groove 10 passes through the partition 3 and into the foot pedal groove 2. A second pull rod 12 is rotatably connected to the top of the first pull rod 8 and is slidably connected to the first moving groove 10. Inside the first moving groove 10, a pressure plate 14 is fixedly connected to the top of the second pull rod 12. A pressure switch 15 located on the moving path of the pressure plate 14 is fixedly connected to the lower end of the first moving groove 10. The pressure plate 14 presses the pressure switch 15 when the second pull rod 12 moves down. A telescopic rod 7 is fixedly connected to the top of the connecting frame 4. One end of the telescopic rod 7 is fixedly connected to the foot pedal 5. The telescopic rod 7 is arc-shaped, and the center of the telescopic rod 7 and the rotation center of the foot pedal 5 are the same point. A spring 6 is sleeved on the outside of the telescopic rod 7. Second moving grooves 11 are opened on both sides of the first moving groove 10. Limit blocks 13 are fixedly connected to both sides of the top of the second pull rod 12. The limit blocks 13 are slidably connected in the second moving grooves 11. The foot pedal 5 is located in the foot pedal. Below the groove 2, during use, a foot pedal groove 2 is provided at the bottom end of the machine tool body 1. A partition 3 is fixedly connected to one side of the foot pedal groove 2, separating the inner and outer parts of the machine tool body 1. A connecting frame 4 is fixedly connected to the bottom end of the machine tool body 1, and a foot pedal 5 is rotatably connected to one end of the connecting frame 4. A spring 6 is fixedly connected to the bottom of the foot pedal 5 and is fixedly connected to the connecting frame 4. A first pull rod 8 is rotatably connected to one end of the foot pedal 5. A power control block 9 is fixedly connected to the top end of the partition 3. A first moving groove 10 is provided at one end of the power control block 9, and the lower end of the first moving groove 10 passes through the partition 3 into the foot pedal groove 2. A second pull rod 12 is rotatably connected to the top end of the first pull rod 8. The second pull rod 12 is slidably connected to the first moving groove 10. The top end of the second pull rod 12 is fixedly connected to the pressing plate 14. The lower end of the first moving groove 10 is fixedly connected to the pressure switch 15 located on the moving path of the pressing plate 14. When the second pull rod 12 moves down, the pressing plate 14 presses the pressure switch 15, so that when the worker works, he uses his foot to step on the top end of the foot pedal 5, so that the foot pedal 5 presses down on the telescopic rod 7, which drives the first pull rod 8 to pull the second pull rod 12 to slide down in the inner cavity of the first moving groove 10. The limiting block 13 slides in the second moving groove 11 and restricts the moving direction of the second pull rod 12, so that the pressing plate 14 moves closer to and presses against the pressure switch 15 located on its moving path along the length direction of the first moving groove 10.Spring 6 is sleeved on the outside of the arc-shaped telescopic rod 7 and compresses concentrically with the foot pedal 5. The telescopic rod 7 guides and supports spring 6, thus preventing the foot pedal 5 and the second pull rod 12 from lateral swaying due to the reciprocating deformation of spring 6. When pressure switch 15 is squeezed, it connects the power supply to the machine tool body 1, preventing the operator from accidentally touching the buttons on the table of the machine tool body 1 during the preparation stage, which could cause injury to the operator. It also prevents personnel other than the operator from accidentally touching the buttons on the table of the machine tool body 1, which could also cause injury to the operator, thus improving the safety of the operator. The telescopic rod 7 is fixedly connected to the top of the connecting frame 4. One end of the telescopic rod 7 is fixedly connected to the foot pedal 5. The telescopic rod 7 is arc-shaped, and the center of the telescopic rod 7 is the same point as the rotation center of the foot pedal 5, which restricts the extension and retraction of the foot pedal 5 and the connecting frame 4. The position of the lever 7 ensures that when the foot pedal 5 is stepped on, it compresses the telescopic lever 7. A spring 6, sleeved on the outside of the telescopic lever 7, provides support for the spring 6, preventing it from becoming misaligned after prolonged use and thus extending its lifespan. Second moving grooves 11 are provided on both sides of the first moving groove 10. Limiting blocks 13 are fixedly connected to both sides of the top of the second pull rod 12, slidingly connected within the second moving grooves 11. This restricts the movement range of the second pull rod 12, ensuring vertical movement without completely exiting the inner cavity of the first moving groove 10, thus guaranteeing its long-term reusability. The foot pedal 5 is located below the foot pedal groove 2, preventing accidental stepping by passersby and improving safety.

[0018] As a preferred embodiment of this example, Figure 1 and Figure 2As shown, one end of the connecting frame 4 is rotatably connected to two limiting rods 16. One end of each limiting rod 16 is movably engaged between the connecting frame 4 and the foot pedal 5. The other ends of each limiting rod 16 are rotatably connected. A spring piece 17 is fixedly connected between the two limiting rods 16. The two limiting rods 16 are connected in a cross shape and are L-shaped. By rotatably connecting two limiting rods 16 to one end of the connecting frame 4, and movably engaging between the connecting frame 4 and the foot pedal 5, the connecting frame 4 restricts the rotational position of the limiting rods 16. This restricts the relative movement between the connecting frame 4 and the foot pedal 5, thereby preventing the foot pedal 5 from moving downwards and avoiding the foot pedal 5 from being immediately moved and started by external force, further improving the safety of the machine tool body 1. The other ends of the two limit rods 16 are rotatably connected, and a spring piece 17 is fixedly connected between the two limit rods 16. When the operator steps on the foot pedal 5, the heel of the operator steps on the upper end of the spring piece 17, causing the spring piece 17 to push the two limit rods 16 to move in a direction, thereby moving the limit rods 16 out of the space between the connecting frame 4 and the foot pedal 5. Then, the foot can step on the foot pedal 5 to make the foot pedal 5 work normally. When not working, the foot releases the step on the spring piece 17 and the foot pedal 5, and the limit rods 16 return to their original positions under the action of the spring piece 17, restricting the movement of the foot pedal 5, keeping the machine tool body 1 in a power-off state, improving the safety of the use of the foot pedal 5, and making it easy to operate. The two limit rods 16 are connected in a cross shape, and the limit rods 16 are L-shaped, making the limit rods 16 easy to use.

[0019] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.

[0020] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A security device for a machine tool, comprising a machine tool body (1), characterized in that, The bottom end of the machine tool body (1) is provided with a foot pedal groove (2), and a partition plate (3) is fixedly connected to one side of the foot pedal groove (2). A connecting frame (4) is fixedly connected to the bottom end of the machine tool body (1). A foot pedal (5) is rotatably connected to one end of the connecting frame (4). A spring (6) is fixedly connected to the bottom of the foot pedal (5). The spring (6) is fixedly connected to the connecting frame (4). A first pull rod (8) is rotatably connected to one end of the foot pedal (5). A power control block (9) is fixedly connected to the top of the partition plate (3). A first movable part is provided at one end of the power control block (9). The lower end of the first movable groove (10) passes through the partition (3) into the foot groove (2). The top end of the first pull rod (8) is rotatably connected to the second pull rod (12). The second pull rod (12) is slidably connected in the first movable groove (10). The top end of the second pull rod (12) is fixedly connected to the extrusion plate (14). The lower end of the first movable groove (10) is fixedly connected to the pressure switch (15) located on the moving path of the extrusion plate (14). The extrusion plate (14) extrudes the pressure switch (15) when the second pull rod (12) moves down.

2. The machine tool security device according to claim 1, characterized in that, The top of the connecting frame (4) is fixedly connected to a telescopic rod (7), one end of which is fixedly connected to the foot pedal (5). The telescopic rod (7) is arc-shaped, and the center of the telescopic rod (7) and the rotation center of the foot pedal (5) are the same point. The spring (6) is sleeved on the outside of the telescopic rod (7).

3. The machine tool security device according to claim 1, characterized in that, The first moving groove (10) has a second moving groove (11) on both sides, and the top of the second pull rod (12) is fixedly connected to both sides of the limit block (13), which is slidably connected in the second moving groove (11).

4. The machine tool security device according to claim 1, characterized in that, The foot pedal (5) is located below the foot groove (2).

5. The machine tool security device according to claim 1, characterized in that, One end of the connecting frame (4) is rotatably connected to two limiting rods (16). One end of the two limiting rods (16) is movably engaged between the connecting frame (4) and the foot pedal (5). The other end of the two limiting rods (16) is rotatably connected. A spring piece (17) is fixedly connected between the two limiting rods (16).

6. The machine tool security device according to claim 5, characterized in that, The two limiting rods (16) are connected in a cross shape, and the limiting rods (16) are L-shaped.

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