Protection mechanism for punching machine production

Abstract

The utility model discloses a protection mechanism for punching machine production, which comprises a punching machine, a hydraulic cylinder is fixedly mounted at the top of the inner wall of the punching machine, an upper die is fixedly mounted at the bottom of the hydraulic cylinder, and two fixing cylinders are fixedly connected to the top of the inner wall of the punching machine and positioned on one side of the hydraulic cylinder. According to the protection mechanism for punching machine production, the hydraulic cylinder can drive the upper die to move downwards in the working process, then the upper die drives the linkage rod to move downwards, when the extension rod firstly makes contact with a punching machine, the upper die continues to move downwards, the linkage rod can move through the oblique angle of the linkage rod, and therefore the punching machine is protected. A linkage rod can drive an extension rod to move downwards, so that the extension rod can drive a first connecting plate to move, a first sliding rod can move downwards along with the extension rod, and accidents caused by the fact that a worker puts the hand into equipment by mistake can be avoided; and compared with photoelectric induction, the safety and stability effects are better.

Description

Technical Field

[0001] The utility model relates to the technical field of punching machines, in particular to a protective mechanism for punching machine production. Background Art

[0002] A punch press is a stamping press. In national production, the stamping process has the advantages of saving materials and energy, high efficiency, low technical requirements for operators, and the ability to produce products that cannot be achieved by mechanical processing through various mold applications. Therefore, its use is becoming more and more extensive.

[0003] However, in the prior art, during the repeated processing and pressing of objects by the punch press, workers may accidentally put their fingers or other parts into the equipment, thereby causing injuries, which poses a great safety hazard and is not conducive to practical application. To address the above problems, we have introduced a protective mechanism for punch press production. Utility Model Content

[0004] The utility model discloses a protective mechanism for punching machine production, aiming to solve the technical problem that during the process of repeatedly processing and pressing objects by the punching machine, workers may accidentally put their fingers or other parts into the equipment, thereby causing injuries, thus posing a great safety hazard and being unfavorable to practical applications.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A protective mechanism for punching machine production, comprising a punching machine, a hydraulic cylinder is fixedly installed on the top of the inner wall of the punching machine, an upper mold is fixedly installed on the bottom of the hydraulic cylinder, two fixed cylinders are fixedly connected to the top of the inner wall of the punching machine and located on one side of the hydraulic cylinder, the interior of each fixed cylinder is slidably connected with a slider, the bottom of each slider is fixedly connected with an extension rod, the bottom of each extension rod extends to the bottom of the fixed cylinder, the top of each slider is fixedly connected to the fixed cylinder with a first spring, and a first connecting rod is fixedly connected between the two extension rods and located below the fixed cylinder. A connecting plate, the top of the first connecting plate is equidistantly fixedly connected with a first sliding rod, a first fixed plate is fixedly connected between the two fixed cylinders, the tops of the first sliding rods pass through the first fixed plate and are fixedly connected with a first limit block, the outer side of the extension rod is slidably connected with a connecting rod, one end of the connecting rod is fixedly connected with a second limit block, a second spring is fixedly connected between the second limit block and the extension rod and located on the outer side of the connecting rod, the connecting rod passes through the extension rod and extends to the bottom of the upper mold, and one end of the connecting rod and the end close to the upper mold are both beveled.

[0007] Through the setting, the hydraulic cylinder will drive the upper mold to move downward during operation, and then drive the connecting rod to move downward. When the extension rod first contacts the punching bed, the upper mold continues to move downward and will pass through the bevel of the connecting rod, so that the connecting rod can move, and then the upper mold can continue to work. The connecting rod can drive the extension rod to move downward, so that the extension rod can drive the first connecting plate to move, so that the first sliding rod can move downward, thereby preventing workers from accidentally putting their hands into the equipment and causing accidents. At the same time, the protective structure adopts mechanical transmission to operate, which is safer and more stable than photoelectric sensing.

[0008] In a preferred embodiment, the bottom of the extension rod is fixedly connected with a buckle, the top of the inner wall of the punching bed is provided with a punching groove, the top of the inner wall of the punching bed and one side of the punching groove are provided with two slots, the inside of the punching bed and one side of the slot are provided with empty slots, the inside of the empty slot is slidably connected with a fourth limit block, one side of the fourth limit block is fixedly connected with a clamping rod, and one end of the clamping rod extends to the inside of the slot to cooperate with the buckle.

[0009] Through the arrangement, the buckle is driven into the inside of the slot when the extension rod moves downward, so that the clamping rod can extend into the inside of the buckle to fix the extension rod.

[0010] In a preferred embodiment, slide grooves are provided on both sides of the inner wall of the punching bed, a third slide rod is fixedly connected to the inside of the slide groove, a second connecting plate is slidably connected to the outer side of the third slide rod, and one end of the second connecting plate is fixedly connected to the extension rod.

[0011] Through the arrangement, during the movement of the extension rod, the second connecting plate can be driven to move, so that the third sliding rod can protect the surrounding personnel.

[0012] In a preferred solution, one end of the two clamping rods away from the clamping slots extends to the outside of the punching bed and a connecting plate is fixedly connected therebetween, and a third spring is fixedly connected equidistantly between the connecting plate and the punching bed.

[0013] Through the arrangement, the connecting plate is pulled to drive the clamping rod to be separated from the clamping buckle, and then the extension rod can be returned to the original position through the elasticity of the first spring.

[0014] In a preferred solution, the top of the second connecting plate is equidistantly fixedly connected with a second sliding rod, the second fixing plate is fixedly connected between the fixing cylinder and the punching bed, and the top of the second sliding rod passes through the second fixing plate and is fixedly connected with a fifth limit block.

[0015] Through the configuration, the second sliding rod can be limited by the fifth limiting block.

[0016] In a preferred solution, the position of the connecting rod is higher than the first connecting plate, and the outer side of the connecting rod is fixedly connected with a third limiting block.

[0017] Through the arrangement, the third limiting block can limit the linkage rod.

[0018] The utility model provides a punch press production protection mechanism with the following advantages:

[0019] First, the upper mold is driven to move downward during the operation of the hydraulic cylinder, and then the connecting rod is driven to move downward. When the extension rod first contacts the punching bed, the upper mold continues to move downward, and the connecting rod moves through the bevel of the connecting rod, so that the upper mold can continue to work. The connecting rod can drive the extension rod to move downward, so that the extension rod can drive the first connecting plate to move, so that the first sliding rod can move downward, thereby preventing workers from accidentally putting their hands into the equipment and causing accidents. At the same time, the protective structure adopts mechanical transmission to operate, which is safer and more stable than photoelectric induction.

[0020] Secondly, when the extension rod moves downward, the buckle will be driven into the inside of the slot, so that the rod can extend into the inside of the buckle to fix the extension rod. By pulling the connecting plate, the rod will be driven to disengage from the buckle, and then the elasticity of the first spring can return the extension rod to its original position. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a three-dimensional schematic diagram of a protective mechanism for punching machine production.

[0022] Figure 2 The utility model is a cross-sectional stereoscopic schematic diagram of a protective mechanism for punch press production proposed by the utility model.

[0023] Figure 3 The utility model is a front view schematic diagram of a protective mechanism for punch press production proposed by the utility model.

[0024] Figure 4 The utility model is a three-dimensional bottom view schematic diagram of a protective mechanism for punch press production proposed by the utility model.

[0025] In the attached drawings: 1. punching bed; 2. punching groove; 3. hydraulic cylinder; 4. upper mold; 5. fixed cylinder; 6. slider; 7. extension rod; 8. first spring; 9. first connecting plate; 10. first fixed plate; 11. first slide bar; 12. first limit block; 13. connecting rod; 14. second limit block; 15. second spring; 16. third limit block; 17. slot; 18. empty slot; 19. fourth limit block; 20. clamping rod; 21. connecting plate; 22. third spring; 23. slide groove; 24. third slide bar; 25. second connecting plate; 26. second fixed plate; 27. second slide bar; 28. fifth limit block; 29. ​​buckle. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application usually described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0027] The utility model discloses a protective mechanism for punching machine production, which is mainly used in scenarios where workers may accidentally put their fingers or other parts into the equipment during the process of repeatedly processing and pressing objects by the punching machine, thereby causing injuries, thereby posing a great safety hazard and being unfavorable for actual application.

[0028] Reference Figure 1 and Figure 2A protective mechanism for punching machine production includes a punching machine 1, a hydraulic cylinder 3 is fixedly installed on the top of the inner wall of the punching machine 1, an upper mold 4 is fixedly installed on the bottom of the hydraulic cylinder 3, two fixed cylinders 5 are fixedly connected to the top of the inner wall of the punching machine 1 and located on one side of the hydraulic cylinder 3, the interior of the fixed cylinder 5 is slidably connected with a slider 6, the bottom of the slider 6 is fixedly connected with an extension rod 7, the bottom of the extension rod 7 extends to the bottom of the fixed cylinder 5, the top of the slider 6 is fixedly connected to the fixed cylinder 5 with a first spring 8, and a first connecting plate 9 is fixedly connected between the two extension rods 7 and located below the fixed cylinder 5. The top of the connecting plate 9 is equidistantly fixedly connected with a first sliding rod 11, a first fixed plate 10 is fixedly connected between the two fixed tubes 5, the top of the first sliding rod 11 passes through the first fixed plate 10 and is fixedly connected with a first limit block 12, the outer side of the extension rod 7 is slidably connected with a connecting rod 13, one end of the connecting rod 13 is fixedly connected with a second limit block 14, a second spring 15 is fixedly connected between the second limit block 14 and the extension rod 7 and located on the outer side of the connecting rod 13, the connecting rod 13 passes through the extension rod 7 and extends to the bottom of the upper mold 4, and one end of the connecting rod 13 and the end close to the upper mold 4 are both beveled.

[0029] In this embodiment: during the operation of the hydraulic cylinder 3, the upper mold 4 will be driven to move downward, thereby driving the connecting rod 13 to move downward. When the extension rod 7 first contacts the punching bed 1, the upper mold 4 will continue to move downward and will pass through the bevel of the connecting rod 13, so that the connecting rod 13 can move, and then the upper mold 14 can continue to work. The connecting rod 13 can drive the extension rod 7 to move downward, so that the extension rod 7 can drive the first connecting plate 9 to move, so that the first sliding rod 11 can move downward, thereby preventing workers from accidentally putting their hands into the equipment and causing accidents. At the same time, the protective structure adopts mechanical transmission to operate, which is safer and more stable than photoelectric sensing.

[0030] Reference Figure 1 and Figure 4 In a preferred embodiment, the bottom of the extension rod 7 is fixedly connected with a buckle 29, a punching groove 2 is provided at the top of the inner wall of the punching bed 1, two slots 17 are provided at the top of the inner wall of the punching bed 1 and on one side of the punching groove 2, an empty slot 18 is provided inside the punching bed 1 and on one side of the slot 17, a fourth limit block 19 is slidably connected inside the empty slot 18, a clamping rod 20 is fixedly connected to one side of the fourth limit block 19, and one end of the clamping rod 20 extends to the inside of the slot 17 to cooperate with the buckle 29.

[0031] In this embodiment, the buckle 29 is driven to enter the inside of the slot 17 by the downward movement of the extension rod 7, so that the clamping rod 20 can extend into the inside of the buckle 29 to fix the extension rod 7.

[0032] Reference Figure 1and Figure 3 In a preferred embodiment, slide grooves 23 are provided on both sides of the inner wall of the punching bed 1, and the inside of the slide grooves 23 is fixedly connected to the third slide rods 24, and the outer sides of the third slide rods 24 are slidably connected to the second connecting plates 25, and one end of the second connecting plates 25 is fixedly connected to the extension rod 7.

[0033] In this embodiment, during the movement of the extension rod 7, the second connecting plate 25 can be driven to move, so that the third sliding rod 24 can protect the surrounding personnel.

[0034] Reference Figure 1 and Figure 2 In a preferred embodiment, one end of the two clamping rods 20 away from the clamping slot 17 extends to the outside of the punching bed 1 and a connecting plate 21 is fixedly connected therebetween, and a third spring 22 is equidistantly fixedly connected between the connecting plate 21 and the punching bed 1.

[0035] In this embodiment, the connecting plate 21 is pulled to drive the clamping rod 20 to disengage from the buckle 29 , and then the extension rod 7 can be returned to its original position through the elasticity of the first spring 8 .

[0036] Reference Figure 1 and Figure 3 In a preferred embodiment, the top of the second connecting plate 25 is equidistantly fixedly connected with a second slide bar 27, a second fixed plate 26 is fixedly connected between the fixed cylinder 5 and the punching bed 1, and the top of the second slide bar 27 passes through the second fixed plate 26 and is fixedly connected with a fifth limit block 28.

[0037] In this embodiment, the second sliding rod 27 can be limited by the fifth limiting block 28 .

[0038] Reference Figure 1 and Figure 4 In a preferred embodiment, the position of the connecting rod 13 is higher than the first connecting plate 9 , and the outer side of the connecting rod 13 is fixedly connected with a third limiting block 16 .

[0039] In this embodiment, the third limiting block 16 can limit the linkage rod 13 .

[0040] Working principle: During use, the hydraulic cylinder 3 drives the upper die 4 to move downward during its working process, and then drives the linkage rod 13 to move downward. When the extension rod 7 first touches the punching machine 1 and the upper die 4 continues to move downward, the linkage rod 13 can move through the bevel angle of the linkage rod 13, so that the upper die 14 can continue to work, and the linkage rod 13 can drive the extension rod 7 to move downward, enabling the extension rod 7 to drive the first connecting plate 9 to move, and the first sliding rod 11 to move downward accordingly, thus preventing workers from accidentally putting their hands into the equipment and causing accidents. At the same time, the protection structure operates through mechanical transmission, which is safer and more stable than photoelectric induction;

[0041] During the downward movement of the extension rod 7, the buckle 29 is driven into the inside of the clamping groove 17, enabling the clamping rod 20 to extend into the inside of the buckle 29 to fix the extension rod 7. By pulling the connecting plate 21, the clamping rod 20 is driven to disengage from the buckle 29, and then due to the elasticity of the first spring 8, the extension rod 7 can return to its original position.

[0042] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. The substitution may be a substitution of some structures, components, or method steps, or a complete technical solution. Any equivalent substitution or change made according to the technical solution and inventive concept of the present invention should be covered within the protection scope of the present invention.

Claims

1. A protection mechanism for punching machine production, comprising a punching machine (1), characterized in that: A hydraulic cylinder (3) is fixedly installed on the top of the inner wall of the punching bed (1), an upper mold (4) is fixedly installed on the bottom of the hydraulic cylinder (3), two fixed cylinders (5) are fixedly connected to the top of the inner wall of the punching bed (1) and located on one side of the hydraulic cylinder (3), the interior of each fixed cylinder (5) is slidably connected with a slider (6), the bottom of each slider (6) is fixedly connected with an extension rod (7), the bottom of each extension rod (7) extends to the bottom of the fixed cylinder (5), the top of each slider (6) is fixedly connected to the fixed cylinder (5) with a first spring (8), between the two extension rods (7) and located below the fixed cylinder (5) is a first connecting plate (9), the top of the first connecting plate (9) is fixedly connected to the fixed cylinder (5), and the like. A first sliding rod (11) is fixedly connected to the extension rod (7), a first fixed plate (10) is fixedly connected between the two fixed cylinders (5), the top of the first sliding rod (11) passes through the first fixed plate (10) and is fixedly connected to a first limit block (12), the outer side of the extension rod (7) is slidably connected to a connecting rod (13), one end of the connecting rod (13) is fixedly connected to a second limit block (14), a second spring (15) is fixedly connected between the second limit block (14) and the extension rod (7) and located on the outer side of the connecting rod (13), the connecting rod (13) passes through the extension rod (7) and extends to the bottom of the upper mold (4), and one end of the connecting rod (13) and the end close to the upper mold (4) are all beveled.

2. A punch press production protection mechanism according to claim 1, characterized in that: The bottom of the extension rod (7) is fixedly connected with a buckle (29), the top of the inner wall of the punching bed (1) is provided with a punching groove (2), the top of the inner wall of the punching bed (1) and located on one side of the punching groove (2) are provided with two clamping grooves (17), the inside of the punching bed (1) and located on one side of the clamping groove (17) are provided with an empty groove (18), the inside of the empty groove (18) is slidably connected with a fourth limit block (19), one side of the fourth limit block (19) is fixedly connected with a clamping rod (20), one end of the clamping rod (20) extends to the inside of the clamping groove (17) for use with the buckle (29).

3. A punch press production protection mechanism according to claim 1, characterized in that: Slide grooves (23) are provided on both sides of the inner wall of the punching bed (1), the interior of the slide grooves (23) is fixedly connected to a third slide rod (24), the outer side of the third slide rod (24) is slidably connected to a second connecting plate (25), and one end of the second connecting plate (25) is fixedly connected to the extension rod (7).

4. A punch press production protection mechanism according to claim 2, characterized in that: One end of the two clamping rods (20) away from the clamping slot (17) extends to the outside of the punching bed (1) and a connecting plate (21) is fixedly connected therebetween. A third spring (22) is fixedly connected equidistantly between the connecting plate (21) and the punching bed (1).

5. A protection mechanism for punching machine production according to claim 3, characterized in that: The top of the second connecting plate (25) is fixedly connected to a second slide bar (27) at equal intervals, a second fixed plate (26) is fixedly connected between the fixed cylinder (5) and the punching bed (1), and the top of the second slide bar (27) passes through the second fixed plate (26) and is fixedly connected to a fifth limit block (28).

6. A protection mechanism for punching machine production according to claim 1, characterized in that: The position of the connecting rod (13) is higher than the first connecting plate (9), and the outer side of the connecting rod (13) is fixedly connected to a third limiting block (16).

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