CN219130603U

CN219130603U - Safety punching device

Info

Publication number: CN219130603U
Application number: CN202223489094.2U
Authority: CN
Inventors: 廖兰兵
Original assignee: Junshengxin Auto Parts Huizhou Co ltd
Current assignee: Junshengxin Technology Huizhou Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-06-06
Anticipated expiration: 2032-12-24

Abstract

The utility model belongs to the technical field of punching machines, and particularly relates to a safe punching device which comprises a frame, a punching machine and an anti-pressing hand mechanism; the punching machine comprises a punching machine table, a punching head, an upper die and a lower die; the anti-pressing mechanism comprises a bracket, a gear, a rack and a hand blocking piece; the first end of the bracket is fixedly connected to the rack, the second end of the bracket is fixedly connected with the rack, the gear is rotationally connected to the punching machine head, and the gear is meshed with the rack; the first end of the hand blocking piece is fixedly connected to the gear, the other end of the hand blocking piece is provided with a hand blocking ring which is arranged in an annular structure, and the central shaft of the hand blocking ring is arranged in parallel with the central shaft of the gear; the safety protection effect of the safety stamping device can be effectively improved by adding the hand pressing prevention mechanism, and the end part of the hand blocking piece is provided with the hand blocking ring, so that the pushing range and the shielding area of the hand blocking piece are greatly increased, and the safety performance of the hand pressing prevention mechanism is further improved.

Description

Safety punching device

Technical Field

The utility model belongs to the technical field of punching machines, and particularly relates to a safe punching device.

Background

Most of the existing presses use protection devices such as light curtain sensors, and the electronic original protection devices such as the sensors have the problem of device reliability when in use, and the protection devices belong to passive safety protection, are easily interfered by the outside, and cannot reliably play a role in safety protection. In the patent of CN201210331843.0, the pressing-preventing hand lever is provided to prevent the arm of the operator from being pressed, but the pressing-preventing hand lever can only push the hand of the operator away to protect the operator; but this prevent pressing hand lever's promotion scope is less, and coverage area is little, and the protection dynamics is not big, therefore proposes a stamping device that has the protection dynamics bigger.

Disclosure of Invention

The utility model aims to provide a safe stamping device and aims to solve the technical problem that the protection force of a press machine in the prior art is not large enough.

In order to achieve the above purpose, the embodiment of the utility model provides a safe stamping device, which comprises a frame, a stamping machine and an anti-press mechanism; the punching machine comprises a punching machine table, a punching head, an upper die and a lower die; the punching machine table is fixedly connected to the frame, the punching head is connected to the punching machine table in a sliding manner and can slide up and down, the upper die is fixedly connected to the lower end of the punching head, and the lower die is fixedly connected to the punching machine table and is arranged on the lower side of the upper die; the anti-pressing mechanism comprises a bracket, a gear, a rack and a hand blocking piece; the first end of the bracket is fixedly connected to the rack, the second end of the bracket is fixedly connected with the rack, the gear is rotationally connected to the punching machine head, and the gear is meshed with the rack; the first end of keeping off the hand piece fixed connection in on the gear, the other end that keeps off the hand piece is equipped with and is the ring-shaped structure setting and keep off the bracelet, keep off the center pin of bracelet with the center pin parallel arrangement of gear.

Optionally, the front side of punching press head is equipped with the mounting panel, fixedly connected with back shaft on the mounting panel, the center pin of back shaft with the direction of sliding of punching press head is perpendicular, the gear rotate connect in on the back shaft.

Optionally, the second end of support is toward the leading flank direction of punching press head extends, the second end of support is equipped with the locating plate, the locating plate is located the leading side of punching press head, the locating plate with rack fixed connection, the vertical setting of rack.

Optionally, the upper end fixed connection who keeps off the hand spare in on the gear, the lower extreme right side that keeps off the hand spare is equipped with keep off the bracelet, the lower extreme left side swing joint who keeps off the hand spare has a clamp plate, the clamp plate with keep off and be connected with a pressure sensor that is used for detecting the pressure that the clamp plate received between the hand spare.

Optionally, a position sensor for detecting the position of the punching head is arranged on the frame.

Optionally, a slide rail that is vertically arranged is fixedly connected to the punching machine table, and the slide rail is in sliding connection with the punching head.

Optionally, an arc surface is arranged on the outer ring of the hand blocking ring.

Optionally, a rubber pad is arranged on the outer ring of the hand blocking ring.

The above technical solutions in the safety stamping device provided by the embodiments of the present utility model have at least one of the following technical effects: when the punching machine is in a working state, the punching head reciprocates up and down, and the upper die moves along with the movement of the punching head, so that the upper die moves in a direction away from or close to the lower die. In the process of downward movement of the stamping head, the gear rolls along the direction of the rack, the rack drives the hand blocking piece to swing in the rolling process, the hand blocking piece swings to the lower side of the upper die, at the moment, if the hand of an operator does not timely leave the die, the hand blocking piece pushes out the hand of the operator through the hand blocking ring, the purpose of active safety protection is achieved, when the stamping head moves upward, the hand blocking piece swings in the opposite direction, the hand blocking piece returns to the original position, the safety protection effect of the safety stamping device can be effectively improved by additionally arranging the hand pressing prevention mechanism, the hand blocking ring is arranged at the end part of the hand blocking piece, the pushing range and the shielding area of the hand blocking piece are greatly increased, and the safety performance of the hand pressing prevention mechanism is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a security punching device according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram illustrating the swing of the hand guard according to the embodiment of the present utility model.

Fig. 3 is a schematic diagram illustrating the swing of the hand guard according to the embodiment of the present utility model.

Wherein, each reference sign in the figure:

10-frame 20-punching machine 21-punching head

22-upper die 23-mounting plate 24-supporting shaft

30-hand pressing prevention mechanism 31-support 32-gear

33-rack 34-hand-blocking piece 35-hand-blocking ring

36-positioning plate.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 3 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 3, a safety punching apparatus is provided, which includes a frame 10, a punching machine 20, and a hand pressing prevention mechanism 25. The punch 20 includes a punch 20 table, a punch head 21, an upper die 22, and a lower die. The punching machine 20 is fixedly connected to the frame 10, the punching head 21 is slidably connected to the punching machine 20 and can slide up and down, the upper die 22 is fixedly connected to the lower end of the punching head 21, and the lower die is fixedly connected to the punching machine 20 and is arranged on the lower side of the upper die 22. The anti-press mechanism 25 includes a bracket 31, a gear 32, a rack 33, and a hand stopper 34. A first end of the bracket 31 is fixedly connected to the frame 10, a second end of the bracket 31 is fixedly connected with a rack 33, a gear 32 is rotatably connected to the head of the punching machine 20, and the gear 32 is meshed with the rack 33; the first end of the hand blocking piece 34 is fixedly connected to the gear 32, the other end of the hand blocking piece 34 is provided with a hand blocking ring 35 which is arranged in an annular structure, and the central axis of the hand blocking ring 35 is parallel to the central axis of the gear 32.

In the embodiment of the present utility model, when the punch 20 is in the working state, the punch 21 reciprocates up and down, and the upper die 22 moves along with the movement of the punch 21, so that the upper die 22 moves in a direction away from or toward the lower die. In the downward movement process of the stamping head 21, the gear 32 rolls along the direction of the rack 33, the rack 33 drives the hand blocking piece 34 to swing in the rolling process, the hand blocking piece 34 swings to the lower side of the upper die 22, at the moment, if the hand of an operator does not timely leave the die, the hand blocking piece 34 pushes out the hand of the operator through the hand blocking ring 35 to achieve the purpose of active safety protection, when the stamping head 21 moves upward, the hand blocking piece 34 swings in the opposite direction, the hand blocking piece 34 returns to the original position, the safety protection effect of the safety stamping device can be effectively improved by additionally arranging the hand pressing prevention mechanism 25, the pushing range and the shielding area of the hand blocking piece 34 are greatly increased, and the safety performance of the hand pressing prevention mechanism 25 is further improved.

It should be appreciated that the hand stop 34 is integrally formed with the hand stop ring 35. The hand guard 34 is provided with a plurality of through holes, the side surface of the gear 32 is provided with a plurality of threaded holes, and the screw rod of the screw passes through the through holes of the hand guard 34 and then is in threaded connection with the threaded holes of the gear 32, so that the hand guard 34 is locked on the gear 32. The baffle ring 35 may be disposed on the left side, the right side or the lower end of the baffle member 34, and in this embodiment, the baffle ring 35 is disposed on the right side of the baffle member 34 to increase the shielding area.

In another embodiment of the present utility model, the front side of the stamping head 21 of the security stamping device is provided with a mounting plate 23, a supporting shaft 24 is fixedly connected to the mounting plate 23, the central axis of the supporting shaft 24 is perpendicular to the sliding direction of the stamping head 21, a gear 32 is rotatably connected to the supporting shaft 24, and the central axis of the gear 32 coincides with the central axis of the supporting shaft 24. The second end of support 31 extends towards the front side direction of punching head 21, and the second end of support 31 is equipped with locating plate 36, and locating plate 36 locates the front side of punching head 21, locating plate 36 and rack 33 fixed connection, rack 33 vertical setting, structural design is reasonable, the installation maintenance of being convenient for.

In another embodiment of the present utility model, the upper end of the hand blocking piece 34 of the safety punching device is fixedly connected to the gear 32, the right side of the lower end of the hand blocking piece 34 is provided with a hand blocking ring 35, the left side of the lower end of the hand blocking piece 34 is movably connected with a pressing plate, and a pressure sensor for detecting the pressure applied by the pressing plate is connected between the pressing plate and the hand blocking piece 34. In the downward swinging process of the hand blocking piece 34, when the pressing plate at the lower end of the hand blocking piece 34 contacts with the arm of an operator, the pressing plate presses the pressure sensor, so that the pressure born by the pressing plate is obtained, and when the pressure born by the pressing plate exceeds a preset value, the stamping head 21 stops working, and the safety of the safety stamping device is improved.

In another embodiment of the present utility model, a position sensor for detecting the position of the punch head 21 is provided on the frame 10 of the safety punching device, and the position sensor detects the position of the punch head 21, and feeds back the position of the punch head 21 in real time so as to monitor the punch head 21.

In another embodiment of the present utility model, a vertically disposed slide rail is fixedly connected to the punching machine 20 of the safety punching device, and the slide rail is slidably connected to the punching head 21. Slide rails are added to improve the smoothness of the sliding process of the punch head 21 and to improve the processing accuracy of the punch 20.

In another embodiment of the present utility model, the outer ring of the hand-blocking ring 35 of the safety punching device is provided with an arc surface, so as to reduce the situation of scratching the arm of the operator and improve the safety performance.

In another embodiment of the present utility model, the outer ring of the hand guard ring 35 of the safety punching device is provided with a rubber pad to reduce the force striking the arm of the operator and protect the operator.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A safety stamping device, characterized in that: comprises a frame, a punching machine and a hand pressing prevention mechanism; the punching machine comprises a punching machine table, a punching head, an upper die and a lower die; the punching machine table is fixedly connected to the frame, the punching head is connected to the punching machine table in a sliding manner and can slide up and down, the upper die is fixedly connected to the lower end of the punching head, and the lower die is fixedly connected to the punching machine table and is arranged on the lower side of the upper die; the anti-pressing mechanism comprises a bracket, a gear, a rack and a hand blocking piece; the first end of the bracket is fixedly connected to the rack, the second end of the bracket is fixedly connected with the rack, the gear is rotationally connected to the punching machine head, and the gear is meshed with the rack; the first end of keeping off the hand piece fixed connection in on the gear, the other end that keeps off the hand piece is equipped with and is the ring-shaped structure setting and keep off the bracelet, keep off the center pin of bracelet with the center pin parallel arrangement of gear.

2. The security punching device of claim 1, wherein: the front side of the stamping head is provided with a mounting plate, a supporting shaft is fixedly connected to the mounting plate, the central shaft of the supporting shaft is perpendicular to the sliding direction of the stamping head, and the gear is rotationally connected to the supporting shaft.

3. The security punching device of claim 2, wherein: the second end of support is toward the leading flank direction extension of punching press head, the second end of support is equipped with the locating plate, the locating plate is located the front side of punching press head, the locating plate with rack fixed connection, the vertical setting of rack.

4. The security punching device of claim 1, wherein: the upper end fixed connection who keeps off the hand spare in on the gear, the lower extreme right side that keeps off the hand spare is equipped with keep off the bracelet, the lower extreme left side swing joint who keeps off the hand spare has a clamp plate, the clamp plate with keep off be connected with between the hand spare one and be used for detecting the pressure sensor that the clamp plate received.

5. The safety punching device according to any of claims 1 to 4, characterized in that: the frame is provided with a position sensor for detecting the position of the stamping head.

6. The safety punching device according to any of claims 1 to 4, characterized in that: the stamping machine is characterized in that a vertically arranged slide rail is fixedly connected to the stamping machine table, and the slide rail is in sliding connection with the stamping head.

7. The safety punching device according to any of claims 1 to 4, characterized in that: the outer ring of the hand blocking ring is provided with an arc surface.

8. The safety punching device according to any of claims 1 to 4, characterized in that: and a rubber pad is arranged on the outer ring of the hand blocking ring.