CN212737216U - Safety protection device for press machine - Google Patents

Abstract

The utility model discloses a press safety device relates to the safety protection field, including hydraulic pressure mechanism and base, the inside arrangement of base has step motor, step motor output fixedly connected with pivot, and the pivot key-type is connected with the gear, and the gear engagement transmission has the rack, and the rack setting is terminal surface under the workstation, and the terminal surface is provided with a plurality of sliders around the workstation, hydraulic pressure mechanism lower extreme fixedly connected with pressure module, the left and right ends of pressure module all are provided with the curb plate, remove through the spacing groove on the curb plate and be connected with spacing post. Hydraulic pressure mechanism drives pressure module up-and-down motion to make the curb plate drive guard plate up-and-down motion, realize that the press adds the isolated operative employee contact press work area in man-hour to the blank, effectively guarantee operative employee's personal safety, get simultaneously and put the work piece and the press processing blank goes on in step, improve work efficiency greatly, get moreover and put the work piece and keep away from pressure module, effectively improve the factor of safety of device operation.

Description

Safety protection device for press machine

Technical Field

The utility model relates to a safety protection field specifically is a press safety device.

Background

The press (including punch press and hydraulic press) is a universal press with delicate structure, and can be widely applied to the processes of cutting, punching, blanking, bending, riveting, forming and the like. The press machines process the metal into parts by applying a strong pressure to the metal blank to plastically deform and fracture the metal.

Traditional press is exerting pressure to metal blank and is adding man-made operation, need settle the blank with the help of the manual operation, and operational environment exposes completely, and factor of safety is low, through the retrieval, discloses among the prior art that the application number is: 201721347877.3, including setting up the dead lever in moulding-die piece orientation operator one side, the dead lever sets up along the length direction of moulding-die piece, the dead lever is connected with the switch that dabs that is used for controlling hydro-cylinder stop work towards one side of workstation, it is equipped with the contact to dabble switch below, moulding-die piece orientation operator one side is connected with two connecting rods, two connecting rods are located the both sides that the module of pressing is followed length direction respectively, the module of pressing of press is before pressing operator's arm, dabs the switch and can make the press of stopping rapidly. However, the device still needs to be placed below the manual stretching-in press module to take and place the blank, the sensor is excessively relied on, the working environment of the press is completely exposed, the potential safety hazard still exists, the number of the unit processing workpieces of the press is small, the next blank can be replaced after the blank is processed, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a press safety device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a press safety device, includes hydraulic pressure mechanism and base, and the inside arrangement of base has step motor, and step motor output fixedly connected with pivot, pivot key-type connection have a gear, and the gear engagement transmission has the rack, and the rack setting is terminal surface under the workstation, and the terminal surface is provided with a plurality of sliders around the workstation, hydraulic pressure mechanism lower extreme fixedly connected with pressure module, the left and right ends of pressure module all are provided with the curb plate, move through the spacing groove on the curb plate and be connected with spacing post, spacing post fixed connection is on the guard plate, and the guard plate passes through shifting chute clearance fit and connects on pressure module, the spacing groove is seted up on the curb plate.

As a further aspect of the present invention: the pressure module is movably connected with the upright post, and the upright post is fixedly connected on the base.

As a further aspect of the present invention: an inner cavity is formed in the base.

As a further aspect of the present invention: the width of the moving groove is larger than the thickness of the guard plate.

As a further aspect of the present invention: each protection plate is fixedly connected with two limiting columns.

As a further aspect of the present invention: the distance between the limiting column and the bottom end of the protection plate is smaller than the distance between the uppermost end of the inner wall of the limiting groove and the workbench.

Compared with the prior art, the beneficial effects of the utility model are that: hydraulic pressure mechanism drives pressure module up-and-down motion to make the curb plate drive guard plate up-and-down motion, realize the protection to the press to blank processing environment, isolated operative employee contact press work area, effectively guarantee operative employee's personal safety, step motor drives the reciprocal of gear meshing rack realization workstation simultaneously, accomplishes to get and puts work piece and press processing blank and go on in step, improves work efficiency greatly, gets to put the work piece moreover and keeps away from pressure module, effectively improves the factor of safety of device operation.

Drawings

Fig. 1 is a schematic structural diagram of a safety protection device of a press machine.

Fig. 2 is a left side partial sectional structure schematic view of a safety protection device of a press machine.

Fig. 3 is a schematic structural diagram of a pressure module in a safety protection device of a press machine.

In the figure: 1-hydraulic mechanism, 2-pressure module, 201-side plate, 3-limit column, 4-protection plate, 5-upright column, 6-workbench, 7-rack, 8-base, 9-inner cavity, 10-gear, 11-rotating shaft, 12-stepping motor, 13-slide block, 14-limit groove and 15-moving groove.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The first embodiment is as follows: referring to fig. 1-3, in the embodiment of the present invention, a safety protection device for a press machine comprises a hydraulic mechanism 1 and a base 8, a stepping motor 12 is disposed inside the base 8 to provide a power source, an output end of the stepping motor 12 is fixedly connected with a rotating shaft 11, the rotating shaft 11 is connected with a gear 10 in a key manner, the gear 10 is meshed with a rack 7 for transmission, so as to convert a circular motion into a linear motion, the rack 7 is disposed on a lower end surface of a workbench 6, so as to realize that the gear 10 is meshed with the rack 7 to drive the workbench 6 to reciprocate left and right, a plurality of sliders 13 are symmetrically disposed on the front and back of the lower end surface of the workbench 6, so as to realize the support of the workbench 6 and simultaneously restrain the motion track of the workbench 6, the lower end of the hydraulic mechanism 1 is fixedly connected with a pressure module 2, the left and right ends of the pressure module 2 are, protection plate 4 is connected on pressure module 2 through moving slot 15 clearance fit, spacing groove 14 is seted up on curb plate 201, and spacing groove 14 on curb plate 201 is through the position of 3 control protection plates 4 of the spacing post of restraint, and the isolated operative employee contact pressure module 2 operating area of protection plate 4 when realizing that pressure module 2 presses the blank effectively guarantees operative employee's personal safety.

In this embodiment, the pressure module 2 is movably connected with the upright post 5, the upright post 5 is fixedly connected to the base 8, and the upright post 5 realizes the restraint of the pressure module 2 and the support of the hydraulic mechanism 1.

In this embodiment, the base 8 is provided with an inner cavity 9 therein, so as to ensure that the gear 10 has a sufficient operating space without being interfered by the base 8.

In this embodiment, the width of the moving slot 15 is greater than the thickness of the protection plate 4, so as to prevent the moving slot 15 from interfering with the up-and-down movement of the protection plate 4.

In this embodiment, every protection plate 4 on two spacing posts 3 of fixedly connected with, effectively realize the support to protection plate 4.

Example two: the utility model discloses a still provide another embodiment, this embodiment is improved to some extent on the basis of above-mentioned embodiment, spacing post 3 be less than the distance of spacing groove 14 inner wall uppermost end apart from workstation 6 apart from the distance of 4 bottoms of guard plate, when guaranteeing that guard plate 4 supports workstation 6, pressure module 2 drives curb plate 201 and continues to move down the in-process, 3 relative spacing grooves 14 of spacing post still have relative displacement space, guarantee that guard plate 4 does not interfere the processing of pressure module 2 to the blank.

When the device works, the stepping motor 12 is turned on, the gear 10 is meshed with the rack 7 to drive the workbench 6 to move outwards, a worker only needs to arrange a blank on the workbench 6 outside the working area of the pressure module 2, the personal safety of the operator is greatly improved, the situation that the work area of the pressure module 2 is contacted closely is avoided, the gear 10 is meshed with the rack 7 to reversely drive the workbench 6 to enter the working area of the pressure module 2, the protection plate 4 is hung on the side plate 201 through the limiting column 3, the hydraulic mechanism 1 drives the pressure module 2 to move downwards, so that the protection plate 4 moves downwards, after contacting the workbench 6, the limiting column 3 moves upwards relative to the limiting groove 14 until the blank is pressed, the protection plate 4 effectively isolates the operation area of the pressure module 2 contacted by an operator in the process that the pressure module 2 presses the blank, the device effectively realizes getting and putting the work piece and pressing the blank and go on in step, improves work efficiency greatly when effectively guaranteeing operating mass.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A safety protection device of a press machine comprises a hydraulic mechanism (1) and a base (8), and is characterized in that a stepping motor (12) is arranged inside the base (8), the output end of the stepping motor (12) is fixedly connected with a rotating shaft (11), the rotating shaft (11) is connected with a gear (10) in a key mode, the gear (10) is meshed with a rack (7) in a transmission mode, the rack (7) is arranged on the lower end face of a workbench (6), a plurality of sliding blocks (13) are symmetrically arranged in front of and behind the lower end face of the workbench (6), the lower end of the hydraulic mechanism (1) is fixedly connected with a pressure module (2), the left end and the right end of the pressure module (2) are respectively provided with a side plate (201), a limiting column (3) is movably connected onto the side plate (201) through a limiting groove (14), the limiting column (3) is fixedly connected onto a protection plate (4), the protection plate (4, the limiting groove (14) is formed in the side plate (201).

2. Press safety guard according to claim 1, characterised in that the pressure module (2) is movably connected to the column (5), the column (5) being fixedly connected to the base (8).

3. A press safety guard according to claim 2, characterised in that the base (8) has an internal cavity (9) therein.

4. A press safety guard according to claim 1, characterised in that the width of the displacement slot (15) is greater than the thickness of the guard plate (4).

5. A press safety guard according to claim 1, characterised in that two restraint posts (3) are fixedly connected to each of the protection plates (4).

6. A press safety guard according to claim 1 or 4, characterised in that the distance of the restraining post (3) from the bottom end of the protective plate (4) is less than the distance of the uppermost end of the inner wall of the restraining groove (14) from the work table (6).

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