CN101398124A - Punching machine safety protection device - Google Patents

Abstract

The invention relates to a safety protection device of a pressing machine, which comprises a rocker, a front axle, a rear axle, a double-pin connecting rod, a barb, a starting bar, an adjusting bolt and a separating handle, wherein, the rocker is connected with a gear which is meshed with a rack, the internal end of the front axle is inserted into an axle hole at one end of the rack and the external end thereof goes through the retaining of a front outer shell and is screwed by an axle head screw cap, the internal end of the rear axle is inserted into the axle hole at one end of the rack and the external end thereof goes through the retaining of a rear outer shell and is connected into a pin hole of the double-pin connecting bar through a fixing pin, the rack can move between the retaining of the front outer shell and the retaining of the rear outer shell, the double-pin connecting bar is matched and connected with an elongated slot connecting bar through a link pin, and the side of the barb is provided with the starting bar with a fixed lingua, wherein, a bolt is screwed on the fixed lingua. The safety protection device has the beneficial effects: the rocker can make radial angle adjustment between 50 percent according to the size of a die, working feeding when pressing and the convenience for picking up, and can move forwards and backwards, thus being capable of solving the safety problem of the fingers of pressing machine operators.

Description

A kind of punching machine safety protection device

Technical field

The present invention relates to the punch press mechanical field, relate in particular to a kind of punching machine safety protection device.

Background technique

Do not have effective safety protection device for small-sized punch machines in the market, exist certain potential safety hazard for operating punch machine worker's finger; The prior art deficiency is to come from not to be ambiguous with practical angle and its guiding idea, and secure ram is that handle is placed on safe position.Hand is far away more safe more from mould, whether man-machine system is smoothly very important, so secure ram is proceeded from the reality in conjunction with the motor habit of human body, the home punching press that should handle be placed on smoothly is again the very high machinery of frequency, and device smoothly can not put aside as useless by the people under the not enough a little situation of safety consciousness.For the higher man-machine system of frequency of utilization, whether smoothly not only to consider, also to consider the up time of taking advantage of a situation, rhythm that can cooperating; Because press tool is not of uniform size, some difference of size configurations of the same model specification of punch press itself so the secure ram device must be accomplished can do a small amount of adjustment from the punch die distance, can be taken advantage of a situation smoothly, and is convenient and reliable.

Summary of the invention

The purpose of this invention is to provide a kind of punching machine safety protection device, to overcome the deficiency that lacks effective safety protection device on the small-sized operating punch machine.

The objective of the invention is to be achieved through the following technical solutions:

A kind of punching machine safety protection device comprises rocking bar, front axle, rear axle, double-pin connecting rod, barb, starting bar, adjusting screw, and described rocking bar is connected with a gear, this gear and tooth bar engagement; Insert in the end axis hole of tooth bar the inner of front axle, the outer end of front axle is passed front casing and is propped up shelves and screw by the axle head nut, insert in the end axis hole of tooth bar the inner of rear axle, and the outer end of rear axle is passed rear casing and propped up shelves and be connected in by fixing pin in the pin-and-hole of double-pin connecting rod; Tooth bar can prop up shelves at front casing and prop up between the shelves mobile with rear casing; Described double-pin connecting rod connects by link pin and elongated slot connecting rod, and the groove hook pin connects the elongated slot connecting rod and is through in the pin-and-hole of barb; Shell and barb are connected and fixed by pivot pin and the axle head of pivot pin is through in the pin-and-hole of barb; The barb end is provided with extension spring, and the side of barb is provided with the fixedly starting bar of tongue of band; Described rocking bar connects the plug piece, and the upper end of plug piece is provided with adjusting screw.

The beneficial effect of punching machine safety protection device of the present invention is: rocking bar is arranged at punch press worktable outward edge, can do radially angle levelling between 50% according to punch die size, press work feeding, pickup comfort level, and front and back are removable; Can solve operating punch machine worker's finger safe problem.

Description of drawings

With reference to the accompanying drawings the present invention is described in further detail below.

Fig. 1 is the decomposition texture schematic representation of the described punching machine safety protection device of the embodiment of the invention;

Fig. 2 is the assembling schematic representation of the described punching machine safety protection device of the embodiment of the invention.

Among the figure:

1, axle head nut; 2, shell; 3, front casing props up shelves; 4, front axle; 5, Returnning spring; 6, pressure is regulated nut; 7, rocking bar; 8, gear; 9, tooth bar; 10, rear casing props up shelves; 11, rear axle; 12, double-pin connecting rod; 13, fixing pin; 14, pivot pin; 15, extension spring; 16, link pin; 17, elongated slot connecting rod; 18, groove hook pin; 19, barb; 20, starting bar; 21, fixing tongue; 22, screw; 23, positioning screwn; 24, adjusting screw; 25, plug piece; 26, unhook handle; 27, assembly of devices; 28, pin-and-hole; 29, pin-and-hole; 30, punch press worktable.

Embodiment

Shown in Fig. 1-2, the described punching machine safety protection device of the embodiment of the invention, comprise rocking bar 7, front axle 4, rear axle 11, double-pin connecting rod 12, barb 19, starting bar 20, adjusting screw 24 and unhook handle 26, described rocking bar 7 connects plug piece 25, the plug piece 25 the upper end be provided with adjusting screw 24, the both sides, front and back of shell 2 connect respectively front casing prop up shelves 3 with rear casing prop up shelves 10; Described rocking bar 7 is connected with gear 8, gear 8 and tooth bar 9 engagements, described rocking bar 7 driven gears 8 act on the tooth bar 9, front axle 4 is provided with Returnning spring 5, a wherein end of Returnning spring 5 connects pressure and regulates nut 6, insert in the end axis hole of tooth bar 9 the inner of front axle 4, the outer end of front axle 4 is passed front casing and is propped up shelves 3 and screw by axle head nut 1, insert in the end axis hole of tooth bar 9 the inner of rear axle 11, the outer end of rear axle 11 is passed rear casing and is propped up shelves 10 and be connected in by fixing pin 13 in the pin-and-hole of double-pin connecting rod 12, and tooth bar 9 can prop up shelves 3 at front casing and prop up between the shelves 10 mobile with rear casing; Double-pin connecting rod 12 connects by link pin 16 and elongated slot connecting rod 17, groove hook pin 18 connects elongated slot connecting rod 17 and is through in the pin-and-hole 28 of barb 19, shell 2 is connected and fixed by pivot pin 14 with barb 19 and the axle head of pivot pin 14 is through in the pin-and-hole 29 of barb 19, and described barb 19 ends are provided with extension spring 15; The side of barb 19 is provided with the fixedly starting bar 20 of tongue 21 of band, fixedly is rotary with screw 22 on the tongue 21.The shell 2 of this safety protection device is installed on punch press worktable 30 right sides, and the setting of described rocking bar 7 is a little more than punch press worktable 30 surfaces, and assembly of devices 27 is fixed by some positioning screwns 23, and an other side of assembly of devices 27 is provided with unhook handle 26.

More than punching machine safety protection device of the present invention, when work, hand leaves when moving behind the punch die, pull back rocking bar 7 smoothly, driving elongated slot connecting rod 17 through moving forward and backward of tooth bar 9 this moment makes barb 19 deviate from the fixedly tongue 21 of starting bar 20, this moment, starting bar 20 can move down in foot pedal following time, finished punching press; Openhanded open rocking bar 7 after; rocking bar 7 under Returnning spring 5 effect of tooth bar 9 before in-migration driven gear 8 rocking bar 7 is resetted; barb 19 resets under the pulling force of extension spring 15; starting bar 20 resets simultaneously; make barb 19 stretch into fixedly tongue 21 bottoms; make starting bar 20 to move down, thereby reach the purpose of safety protection.

Claims (1)

1, a kind of punching machine safety protection device, comprise rocking bar (7), front axle (4), rear axle (11), double-pin connecting rod (12), barb (19), starting bar (20), adjusting screw (24), it is characterized in that: described rocking bar (7) is connected with gear (8), gear (8) and tooth bar (9) engagement; Insert in the end axis hole of tooth bar (9) the inner of front axle (4), and the outer end of front axle (4) is passed front casing and propped up shelves (3) and screw by axle head nut (1); Insert in the end axis hole of tooth bar (9) the inner of rear axle (11), the outer end of rear axle (11) is passed rear casing and is propped up shelves (10) and be connected in the pin-and-hole of double-pin connecting rod (12) by fixing pin (13), and tooth bar (9) can prop up shelves (3) at front casing and prop up between grade (10) mobile with rear casing; Described double-pin connecting rod (12) connects by link pin (16) and elongated slot connecting rod (17), and groove hook pin (18) connects elongated slot connecting rod (17) and is through in the pin-and-hole (28) of barb (19); Shell (2) is connected and fixed by pivot pin (14) with barb (19) and the axle head of pivot pin (14) is through in the pin-and-hole (29) of barb (19); Barb (19) end is provided with extension spring (15), and the side of barb (19) is provided with the fixedly starting bar (20) of tongue (21) of band; Described rocking bar (7) connects plug piece (25), and the upper end of plug piece (25) is provided with adjusting screw (24).

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