CN214639421U

CN214639421U - Upper die buffering mechanism of small-sized stamping equipment

Info

Publication number: CN214639421U
Application number: CN202120287186.9U
Authority: CN
Inventors: 杨振强
Original assignee: Jinhui Zhongxinde Machinery Parts Tianjin Co ltd
Current assignee: Jinhui Zhongxinde Machinery Parts Tianjin Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-09
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to a punching press buffering technical field just discloses a small-size stamping equipment's last mould buffer gear, which comprises a bod, the upper end inner wall fixedly connected with cylinder of fuselage, the first U-shaped plate of tailpiece of the piston rod fixedly connected with of cylinder, the upper end inner wall fixedly connected with telescopic link of first U-shaped plate, the first spring of pole wall fixedly connected with of telescopic link, the lower terminal surface fixedly connected with connecting plate of telescopic link, the up end of the lower terminal surface fixed connection at the connecting plate of first spring, the lower terminal surface handing-over of connecting plate has the movable rod, first spout has been seted up to the inner wall of first U-shaped plate, the inner wall sliding connection of first spout has the buffer board, the other end of movable rod articulates the up end at the buffer board. The utility model discloses can play the cushioning effect to the stamping die, reduce the damage that the quick striking led to the fact the work piece, improve the quality of punching press.

Description

Upper die buffering mechanism of small-sized stamping equipment

Technical Field

The utility model relates to a punching press buffering technical field especially relates to a small-size stamping equipment's last mould buffer gear.

Background

The upper die in the existing small-sized stamping equipment is fixed on a working piston of an air cylinder through a die fixing device, and under the action of working pressure, force can be directly transmitted to the head of the upper die, so that the requirement of stamping a workpiece is met. The structure is simple, practical and stable.

Among the prior art, current small-size stamping equipment is at the operation in-process, goes up the module and when touching resistance thing down, will produce the extrusion, causes the accidental injury even production accident easily, is unfavorable for safety in production to go up the quick striking stamping workpiece of module, influence the quality of punching press easily, consequently, the utility model discloses a small-size stamping equipment's last mould buffer gear.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and causing the accidental injury even production accident among the prior art easily, be unfavorable for safety in production to go up the quick striking stamping workpiece of module, influence the problem of the quality of punching press easily, and the last mould buffer gear of a small-size stamping equipment who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an upper die buffer mechanism of small-sized stamping equipment comprises a machine body, wherein an air cylinder is fixedly connected to the inner wall of the upper end of the machine body, a first U-shaped plate is fixedly connected to the end part of a piston rod of the air cylinder, a telescopic rod is fixedly connected to the inner wall of the upper end of the first U-shaped plate, a first spring is fixedly connected to the rod wall of the telescopic rod, a connecting plate is fixedly connected to the lower end face of the telescopic rod, the lower end face of the first spring is fixedly connected to the upper end face of the connecting plate, a movable rod is crossed and connected to the lower end face of the connecting plate, a first sliding groove is formed in the inner wall of the first U-shaped plate, a buffer plate is slidably connected to the inner wall of the first sliding groove, the other end of the movable rod is hinged to the upper end face of the buffer plate, a groove is formed in the inner wall of the buffer plate, a second U-shaped plate is slidably connected to the inner wall of the upper end of the second U-shaped plate, the inner wall sliding connection of second spout has the slider, the lower section fixedly connected with elastic plate of slider, the third spout has been seted up to the left and right sides wall of second U-shaped board, the inner wall sliding connection of third spout has the cope match-plate pattern, the lower terminal surface fixedly connected with of cope match-plate pattern falls the module, the fuselage is located the fixed workstation that is provided with in below of falling the module, the inside of workstation is through first bolt fixedly connected with lower bolster, the inside of lower bolster is provided with demoulding mechanism.

Preferably, the demolding mechanism comprises a pressing plate, a second spring and a sliding rod, a mold reversing groove matched with the mold reversing block is formed in the inner wall of the upper end of the lower template, a containing groove is formed in the lower portion of the mold reversing groove, the lower end face of the second spring is fixedly connected to the inner wall of the lower end of the containing groove, the upper end face of the second spring is fixedly connected with the pressing plate, and the lower end face of the pressing plate is fixedly connected with the sliding rod.

Preferably, the side wall of the pressing plate is semicircular, and the side wall of the pressing plate is connected to the inner wall of the accommodating groove in a sliding manner.

Preferably, the cross section of the inner groove of the buffer plate is trapezoidal, and the buffer plate is in threaded connection with the second U-shaped plate through a second bolt.

Preferably, the side wall of the lower end of the inverted module is provided with a fillet, and the lower end face of the inverted module is fixedly connected with a cushion pad.

Preferably, the upper surface of the workbench is fixedly provided with a limiting groove matched with the first U-shaped plate, a cavity is arranged between the lower end of the lower template and the workbench, and the sliding rod penetrates through the lower template and extends to the inside of the cavity.

Compared with the prior art, the utility model provides a small-size stamping equipment's last mould buffer gear possesses following beneficial effect:

1. this last mould buffer gear of small-size stamping equipment, the flexible first U-shaped board that drives of piston rod through the cylinder pushes down, when the die block falls contacts the stamping workpiece, go up the third spout of cope match-plate pattern along the inside of second U-shaped board and go up the slide, thereby make the elastic plate take place elastic deformation and drive the slider and slide along the second spout, when the elastic plate is to the biggest elastic deformation, the buffer board upwards slides along the first spout of first U-shaped inboard portion, and drive the movable rod and rotate along the pin joint, it is flexible to drive the telescopic link when the movable rod rotates first spring compression behind the maximum angle, thereby make the die block fall can have certain buffering after contacting the stamping workpiece, avoid quick striking to produce wearing and tearing.

2. This last mould buffer gear of small-size stamping equipment can play certain buffering through radius angle and the cushion pad of falling module lower extreme face when falling the inside die cavity of lower bolster of template pushes down, contacts the clamp plate then drives the second spring compression after the stamping workpiece deformation to promote the slide bar and slide down, what make the stamping workpiece can more laminate is at the inside shaping of die cavity, and can not influence the die cavity state.

3. This small-size stamping equipment's last mould buffer gear, when the lateral wall through first U-shaped board injects the spacing inslot portion of workstation top completely, the punching press is accomplished, and the cylinder shrink makes the mechanism reset, thereby the second spring drives the inside that the clamp plate rose the ejecting die cavity of stamping workpiece after reseing simultaneously to make things convenient for the drawing of patterns.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can play the cushioning effect to the stamping die, reduce the damage that the quick striking led to the fact the work piece, improve the quality of punching press.

Drawings

Fig. 1 is a schematic structural view of an upper die cushion mechanism of a small-sized stamping device according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 1.

In the figure: the device comprises a machine body 1, a cylinder 2, a first U-shaped plate 3, a telescopic rod 4, a first spring 5, a movable rod 6, a buffer plate 7, a second U-shaped plate 8, an upper template 9, a sliding block 10, an elastic plate 11, a reverse module 12, a buffer pad 13, a workbench 14, a lower template 15, a pressing plate 16, a second spring 17 and a sliding rod 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and 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.

Referring to fig. 1-3, an upper die buffering mechanism of a small-sized stamping device comprises a machine body 1, an air cylinder 2 is fixedly connected to the inner wall of the upper end of the machine body 1, a first U-shaped plate 3 is fixedly connected to the end portion of a piston rod of the air cylinder 2, a telescopic rod 4 is fixedly connected to the inner wall of the upper end of the first U-shaped plate 3, a first spring 5 is fixedly connected to the rod wall of the telescopic rod 4, a connecting plate is fixedly connected to the lower end face of the telescopic rod 4, the lower end face of the first spring 5 is fixedly connected to the upper end face of the connecting plate, a movable rod 6 is crossed to the lower end face of the connecting plate, a first sliding groove is formed in the inner wall of the first U-shaped plate 3, a buffering plate 7 is slidably connected to the inner wall of the first sliding groove, the other end of the movable rod 6 is hinged to the upper end face of the buffering plate 7, a groove is formed in the inner wall of the buffering plate 7, a second U-shaped plate 8 is slidably connected to the inner wall of the groove, a second sliding groove is formed in the upper end of the second U-shaped plate 8, the inner wall of the second chute is connected with a sliding block 10 in a sliding manner, the lower section of the sliding block 10 is fixedly connected with an elastic plate 11, the left side wall and the right side wall of the second U-shaped plate 8 are provided with a third chute, the inner wall of the third chute is connected with an upper template 9 in a sliding manner, the lower end surface of the upper template 9 is fixedly connected with a reverse module 12, a worktable 14 is fixedly arranged below the reverse module 12 of the machine body 1, the inside of the worktable 14 is fixedly connected with a lower template 15 through a first bolt, a demoulding mechanism is arranged inside the lower template 15 and comprises a pressing plate 16, a second spring 17 and a sliding rod 18, the inner wall of the upper end of the lower template 15 is provided with a reverse module groove matched with the reverse module, an accommodating groove is arranged below the reverse module groove, the lower end surface of the second spring 17 is fixedly connected with the inner wall of the lower end surface of the accommodating groove, the upper end surface of the second spring 17 is fixedly connected with the pressing plate 16, the lower end surface of the pressing plate 16 is fixedly connected with the sliding rod 18, the lateral wall of clamp plate 16 sets up to semi-circular, the lateral wall sliding connection of clamp plate 16 is at the inner wall of accomodating the groove, the last fixed surface of workstation 14 set up with first U-shaped plate 3 assorted spacing groove, be provided with the cavity between lower bolster 15's lower extreme and the workstation 14, slide bar 18 runs through the inside that lower bolster 15 extends to the cavity, the cross section of the inside recess of buffer board 7 sets up to trapezoidal, buffer board 7 passes through second bolt threaded connection with second U-shaped plate 8, the lower extreme lateral wall of falling module 12 is provided with down fillet and falls module 12's lower terminal surface fixedly connected with blotter 13.

In the utility model, when in use, the piston rod of the cylinder 2 stretches and retracts to drive the first U-shaped plate 3 to press down, when the inverted template 12 contacts the stamping part, the upper template 9 slides up along the third chute inside the second U-shaped plate 8, so that the elastic plate 11 generates elastic deformation to drive the slider 10 to slide along the second chute, when the elastic plate 11 reaches the maximum elastic deformation, the buffer plate 7 slides up along the first chute inside the first U-shaped plate and drives the movable rod 6 to rotate along the hinge point, when the movable rod 6 rotates to the maximum angle, the first spring 5 compresses to drive the telescopic rod 4 to stretch and retract, so that the inverted module 12 can have certain buffer after contacting the stamping part, thereby avoiding rapid impact to generate abrasion, the inverted angle and the buffer pad 13 on the lower end face of the inverted module 12 can play certain buffer when the inverted template 12 presses down to the inverted groove inside the lower template 15, when deformed, the inverted module contacts the pressure plate 16 and then drives the second spring 17 to compress, and the slide bar 18 is pushed to slide downwards, when the side wall of the first U-shaped plate 3 is completely inserted into the limiting groove above the workbench 14, the stamping is completed, the cylinder 2 contracts, the mechanism is reset, and simultaneously the second spring 17 drives the pressure plate 16 to ascend after being reset so as to eject the stamping part out of the inner part of the die cavity, thereby facilitating the demoulding.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a small-size stamping equipment's last mould buffer gear, includes fuselage (1), its characterized in that: the upper end inner wall of the machine body (1) is fixedly connected with an air cylinder (2), the end part of a piston rod of the air cylinder (2) is fixedly connected with a first U-shaped plate (3), the upper end inner wall of the first U-shaped plate (3) is fixedly connected with a telescopic rod (4), the rod wall of the telescopic rod (4) is fixedly connected with a first spring (5), the lower end face of the telescopic rod (4) is fixedly connected with a connecting plate, the lower end face of the first spring (5) is fixedly connected with the upper end face of the connecting plate, the lower end face of the connecting plate is crossed with a movable rod (6), the inner wall of the first U-shaped plate (3) is provided with a first chute, the inner wall of the first chute is slidably connected with a buffer plate (7), the other end of the movable rod (6) is hinged with the upper end face of the buffer plate (7), the inner wall of the buffer plate (7) is provided with a groove, the inner wall of the groove is slidably connected with a second U-shaped plate (8), the utility model discloses a mould, including first U-shaped plate (8), second spout, slider (10), lower section fixedly connected with elastic plate (11) of slider (10), the third spout has been seted up to the left and right sides wall of second U-shaped plate (8), the inner wall sliding connection of third spout has cope match-plate pattern (9), the lower terminal surface fixedly connected with of cope match-plate pattern (9) falls module (12), fixed workstation (14) that is provided with in below that fuselage (1) is located module (12), the inside of workstation (14) is through first bolt fixedly connected with lower bolster (15), the inside of lower bolster (15) is provided with demoulding mechanism.

2. The upper die cushion mechanism of a small-sized press apparatus according to claim 1, wherein: demoulding mechanism includes clamp plate (16), second spring (17) and slide bar (18), the upper end inner wall of lower bolster (15) seted up with the module assorted of falling the mould groove, the groove has been seted up to the below in the mould groove of falling, the lower terminal surface fixed connection of second spring (17) is at the lower extreme inner wall of accomodating the groove, the up end and clamp plate (16) fixed connection of second spring (17), the lower terminal surface and slide bar (18) fixed connection of clamp plate (16).

3. The upper die cushion mechanism of a small-sized press apparatus according to claim 2, wherein: the side wall of the pressing plate (16) is semicircular, and the side wall of the pressing plate (16) is connected to the inner wall of the accommodating groove in a sliding mode.

4. The upper die cushion mechanism of a small-sized press apparatus according to claim 1, wherein: the cross section of the inner groove of the buffer plate (7) is trapezoidal, and the buffer plate (7) is in threaded connection with the second U-shaped plate (8) through a second bolt.

5. The upper die cushion mechanism of a small-sized press apparatus according to claim 1, wherein: the side wall of the lower end of the chamfering module (12) is provided with a chamfering angle, and the lower end face of the chamfering module (12) is fixedly connected with a cushion pad (13).

6. The upper die cushion mechanism of a small-sized press apparatus according to claim 2, wherein: the upper surface of the workbench (14) is fixedly provided with a limiting groove matched with the first U-shaped plate (3), a cavity is arranged between the lower end of the lower template (15) and the workbench (14), and the sliding rod (18) penetrates through the lower template (15) and extends to the inside of the cavity.