CN206689252U - A stamping and bending forming die - Google Patents

Abstract

The utility model discloses a stamping bending forming die, which comprises an upper die and a lower die, wherein the middle part of the upper die is connected with a bending pressing block; the lower die is provided with a stamping part placing groove, a workpiece to be stamped is arranged in the stamping part placing groove, the lower die is further provided with a middle limiting part, the middle limiting part is inserted in the workpiece, and the middle limiting part is provided with a limiting groove. The utility model inserts the middle position limiting part into the workpiece and places the workpiece in the stamping part placing groove of the lower die, then the air cylinder acts to push the slider to the right top to hold the workpiece, the upper die is pressed downwards to press the left bending part and the right bending part of the workpiece downwards, and the bending groove of the right bending part is embedded into the limiting groove of the middle position limiting part to realize matching pressing; in the process of pressing the upper die downwards, the position sensor senses whether the left balance pressing block of the upper die is pressed in place or not, and the pressure sensor senses the downward pressure of the upper die, so that the bending pressure of each workpiece is consistent, and the improvement of the yield of the workpieces is facilitated.

Description

A stamping and bending forming die

technical field

The utility model relates to the technical field of stamping dies, in particular to a stamping and bending forming die.

Background technique

In the prior art, multiple steps are required for the manufacture of connectors, such as round hole punching, blanking of the shape of the shrapnel in the product contact area, bending of the shrapnel in the product contact area, and thinning and fine pressing of the product. In this multiple stamping process, multiple single-process molds are required to complete, which wastes a lot of human resources of the production enterprise, the process is cumbersome, and at the same time increases the cost of mold manufacturing and maintenance, and cannot achieve rapid mass production. It leads to high overall production cost of the enterprise, prolongs the production cycle of products, and reduces the efficiency of the enterprise.

Moreover, in the process of producing connectors, due to the total bending and forming process, there are no positioning parts or restrictive structures inside the workpiece, resulting in products that do not meet the specifications after bending, and the scrap rate is high.

Contents of the invention

This utility model is to provide a stamping and bending molding die for the current technical deficiencies.

The technical scheme that the utility model adopts for realizing the above object is:

A stamping and bending molding die, characterized in that it includes an upper die and a lower die, the upper die is a concave structure, the middle part of the upper die is connected with a bending press block, and the bending press block is I-shaped structure, the bottom of the bending briquetting block is flat; the lower mold is provided with a stamping part placement groove, and the workpiece to be stamped is arranged in the stamping part placement groove, and the lower mold is also provided with a middle stopper, and the middle part The limiting piece is inserted into the workpiece, and the middle limiting piece is provided with a limiting groove.

As a further improvement, a limiting vertical surface is provided on the right side of the slot for placing the stamping part of the lower die.

As a further improvement, the left side of the limit groove is provided with an inclined-plane holding mechanism, and the inclined-plane holding mechanism is provided with a slider and a slide rail, the slider and the slide rail are movably connected, and the right side of the slider is The inclined plane is arranged obliquely to the left.

As a further improvement, the inclined plane holding mechanism is further provided with a cylinder, the cylinder is horizontally arranged on the left side of the slider, and the end of the piston rod of the cylinder is fixedly connected to the left end surface of the slider.

As a further improvement, a position sensor is provided at the bottom of the side of the lower mold.

As a further improvement, both sides of the upper mold are symmetrically provided with a left balance pressing block and a right balancing pressing block. After the upper mold and the lower mold are pressed together, the lower end surface of the left balancing pressing block is lower than the upper surface of the position sensor. end face.

As a further improvement, a pressure sensor is provided at the bottom of the lower mold.

As a further improvement, the workpiece has a back-shaped structure, and is provided with a left bending part and a right bending part, and the right bending part is provided with a downward bending groove, and the bending groove and the middle limit part The limit groove matches.

The new beneficial effect of the utility model: the utility model inserts the middle limit piece into the workpiece and places it in the stamping part placement groove of the lower mold, and then the cylinder moves to push the slider to the right to hold the workpiece, and the upper mold presses down, Press the left bending part and the right bending part of the workpiece downward, and the bending groove 63 of the right bending part is embedded in the limit groove of the middle limit part to realize matching and pressing; during the pressing process of the upper mold, the position The sensor senses whether the left balance block of the upper die is pressed down in place, and the pressure sensor senses the lower pressure of the upper die at the same time, so that the bending pressure of each workpiece is consistent, which is conducive to improving the yield of the workpiece.

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.

Description of drawings

Fig. 1 is a schematic diagram of the separation structure of the upper mold and the lower mold of the stamping and bending forming mold of the present embodiment;

Fig. 2 is a schematic diagram of the compression structure of the upper mold and the lower mold of the stamping and bending forming mold of the present embodiment;

Fig. 3 is a schematic diagram of the separation structure of the punching and bending forming die of the present embodiment;

Fig. 4 is a structural schematic diagram of the workpiece bending forming and the middle limiting member in this embodiment.

In the figure: 1. Upper die, 11 bending press block, 12 plane, 13 left balance press block, 14 right balance press block, 2 lower die, 21 stamping part placing groove, 22 middle limit part, 221 limit groove , 3 inclined-plane holding mechanism, 31 slider, 311 inclined plane, 32 slide rail, 33 cylinder, 4 position sensor, 5 pressure sensor, 6 workpiece, 61 left bending part, 62 right bending part, 63 bending groove.

detailed description

The following descriptions are only preferred embodiments of the present utility model, and therefore do not limit the scope of protection of the entity model.

Referring to accompanying drawings 1 to 4, the stamping and bending forming die provided in this embodiment includes an upper die 1 and a lower die 2, the upper die 1 is a concave-shaped structure, and the middle part of the upper die 1 is connected with a bending pressing block 11. The bending press block 11 has an I-shaped structure, and the bottom of the bending press block 11 is a plane 12; the lower mold 2 is provided with a stamping part placement groove 21, and the stamping part placement slot 21 is provided with a For the workpiece 6 , the lower mold 2 is also provided with a middle limiting member 22 , the middle limiting member 22 is inserted into the workpiece 6 , and the middle limiting member 22 is provided with a limiting groove 221 .

The right side of the stamping part placement groove 21 of the lower die 2 is provided with a limiting vertical surface for limiting the positioning of the workpiece 6 on the right side;

The left side of the limit groove 221 is provided with an inclined surface 311 jacking mechanism 3, and the inclined surface 311 jacking mechanism 3 is provided with a slide block 31 and a slide rail 32, the slide block 31 is movably connected with the slide rail 32, and the slide rail 32 is movably connected. The right side of the block 31 is an inclined surface 311, and the inclined surface 311 is arranged obliquely to the left. The inclined surface 311 jacking mechanism 3 is also provided with a cylinder 33, the cylinder 33 is horizontally arranged on the left side of the slider 31, the end of the piston rod of the cylinder 33 is fixedly connected with the left end surface of the slider 31, and the cylinder 33 pushes the slider 31 Hold workpiece 6 to the right.

The bottom of the side of the lower mold 2 is provided with a position sensor 4; the two sides of the upper mold 1 are symmetrically provided with a left balance briquetting block 13 and a right balance briquetting block 14, and after the upper mold 1 and the lower mold 2 are pressed together, the The lower end surface of the left balance pressing block 13 is lower than the upper end surface of the position sensor 4. When the upper die 1 is pressed down, the position sensor 4 senses whether the pressing position of the upper die 1 is in place.

The bottom of the lower mold 2 is provided with a pressure sensor 5, and the pressure sensor 5 is used for the downward force of the upper mold 1.

The workpiece 6 is a back-shaped structure, and is provided with a left bending portion 61 and a right bending portion 62, and the right bending portion 62 is provided with a downward bending groove 63, and the bending groove 63 is connected with the middle limit The limiting groove 221 of the component 22 matches.

The working principle of the utility model: the workpiece 6 is inserted into the middle limit piece 22 and placed in the stamping part placement groove 21 of the lower die 2, and then the cylinder 33 moves to push the slider 31 to the right to hold the workpiece 6, and the upper die 1 Press, the left bending part 61 and the right bending part 62 of the workpiece 6 are pressed downward, and the bending groove 63 of the right bending part 62 is embedded in the limiting groove 221 of the middle limiting part 22 to realize matching and pressing; During the pressing down process of die 1, the position sensor 4 senses whether the left balance block 13 of the upper die 1 is pressed down in place, and the pressure sensor 5 senses the pressing force of the upper die 1 at the same time, so that the bending pressure of each workpiece 6 is consistent, which is beneficial to improve Yield rate of workpiece 6.

The utility model is not limited to the above-mentioned embodiments, and other molds for stamping and bending obtained by adopting the same or similar structures or devices as the above-mentioned embodiments of the utility model are within the scope of protection of the utility model.

Claims (8)

1. A kind of 1. pressing and bending mould, it is characterised in that：It includes mould and lower mould, and the upper mould is concave shape structure, One bending briquetting of connection in the middle part of the upper mould, the bending briquetting is I-shape construction, and the bending briquetting bottom is plane；It is described Lower mould is provided with stamping parts standing groove, and workpiece to be punched is provided with the stamping parts standing groove, and the lower mould is additionally provided with middle part and limited Position part, the middle part locating part plug within the workpiece, and the middle part locating part is provided with limited impression.
2. 2. pressing and bending mould according to claim 1, it is characterised in that：On the right side of the bottom punch casting die standing groove Provided with spacing vertical plane.
3. 3. pressing and bending mould according to claim 1, it is characterised in that：Inclined-plane is provided with the left of the limited impression Support agency, the inclined-plane support agency are provided with sliding block and slide rail, and the sliding block is flexibly connected with slide rail, the sliding block right flank For inclined-plane, the oblique left setting in inclined-plane.
4. 4. pressing and bending mould according to claim 3, it is characterised in that：The inclined-plane support agency is additionally provided with gas Cylinder, the cylinder are horizontally set on the left of sliding block, and the cylinder piston boom end is fixedly connected with sliding block left side.
5. 5. pressing and bending mould according to claim 1, it is characterised in that：The lower mould side bottom is provided with position Sensor.
6. 6. pressing and bending mould according to claim 5, it is characterised in that：The upper mould both sides are arranged with left flat Weigh briquetting and right balance briquetting, and after the upper mould closes with lower molding, the lower surface of the left balance briquetting passes less than the position The upper surface of sensor.
7. 7. pressing and bending mould according to claim 1, it is characterised in that：The lower mould bottom is provided with pressure sensing Device.
8. 8. pressing and bending mould according to claim 1, it is characterised in that：The workpiece is back-shaped structure, and is set There are left folding turn of bilge and right folding turn of bilge, the right folding turn of bilge is provided with downward bending groove, the bending groove and middle part locating part Limited impression matching.