CN218425142U

CN218425142U - Die side-cutting pressing mechanism

Info

Publication number: CN218425142U
Application number: CN202222833802.3U
Authority: CN
Inventors: 罗先勇
Original assignee: Lian Wei Auto Parts Chonqging Co ltd
Current assignee: Lian Wei Auto Parts Chonqging Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-03
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a die side-cutting material pressing mechanism, wherein a material pressing device is arranged on a male die, the material pressing device extends to the side wall of the male die, a side-cutting mechanism is arranged outside the side wall of the male die, the side-cutting mechanism comprises a knife block fixing seat, a material pressing plate is arranged on the knife block fixing seat, one side of the material pressing plate is connected with the knife block fixing seat through an elastic telescopic mechanism and moves along with the knife block fixing seat, the other side of the material pressing plate is a working surface, and the working surface faces the side wall of the male die and is matched with the side wall of the male die; an avoidance notch is formed in the position, opposite to the pressure plate, of the pressure device, so that the pressure plate can pass through the avoidance notch. The utility model discloses material structure is pressed to modified side direction provides sufficient packing force and unload power, guarantees that the side cuts in-process sheet material when compressed tightly all the time, reduces the impact force with the mode of buffering striking again, guarantees that part production is smooth and easy.

Description

Die side-cutting pressing mechanism

Technical Field

The utility model relates to a stamping die technical field relates to the pressure material structure of work piece, concretely relates to die side cutting swager constructs.

Background

The stamping die has the advantages of high efficiency, good consistency and the like in the aspect of processing plates, and is widely used for forming various sheet metal parts. During stamping production, the plate is placed on the male die and is pressed and fixed by the material pressing device. The swager is generally a one-piece structure, as shown in fig. 4. The existing die pressing device, particularly a cast iron die, is made of nodular cast iron, when a die has a side cutting process module, the nodular cast iron cannot bear excessive pressing force and discharging force due to the angle problem, otherwise, the die pressing device can be damaged to generate a part edge-drawing phenomenon, and the whole pressing device can be scrapped in severe cases. However, if the pressing force is small, the plate cannot be accurately positioned and pressed, and the machining precision is insufficient. Improving the material of the pressing device can improve the impact resistance, but on the one hand increases the processing cost and on the other hand may also increase the wear of the related structure. Patent document CN204220794U discloses a split type wedge mechanism and a stamping die, which adopt a traditional positive pressure material core as a material pressing mechanism, the edge of the positive pressure material core extends to the side wall of a male die, a nitrogen spring is arranged on a wedge slide block, and the nitrogen spring supports the positive pressure material core during die assembly so as to realize the pressing of a plate material. However, the positive pressure core is still in an integral structure, so that the problems still exist. Therefore, the side-cutting pressing mechanism must be improved from the structural design.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a die side cutting swager constructs.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

a die side-cutting pressing mechanism is characterized in that the side-cutting mechanism comprises a cutter block fixing seat, a pressing plate is arranged on the cutter block fixing seat, one side of the pressing plate is connected with the cutter block fixing seat through an elastic telescopic mechanism and moves along with the cutter block fixing seat, and the other side of the pressing plate is a working surface which faces the side wall of the male die and is matched with the side wall of the male die;

an avoidance notch is formed in the position, opposite to the pressure plate, of the pressure device, so that the pressure plate can pass through the avoidance notch.

In an embodiment, the knife block fixing seat is further fixedly provided with a knife block, the front portion of the knife block extends towards the side wall of the male die, the pressure plate is arranged above the knife block, and the lower edge of the pressure plate is close to the upper surface of the extending portion of the knife block.

In an embodiment, the inner wall of the avoiding gap is adapted to the movement track of the corresponding edge of the pressure plate, and the edge of the pressure plate is close to the inner wall of the avoiding gap.

In one embodiment, the elastic expansion mechanism comprises a linear guide mechanism and a compression elastic energy storage mechanism.

In one embodiment, the linear guide mechanism includes a guide hole, an inner guide sleeve and an inner guide pillar;

the guide hole penetrates through the material pressing plate, and an inner guide sleeve is arranged in the guide hole;

one end of the inner guide pillar is fixedly connected with the cutter block, and the other end of the inner guide pillar extends into the inner guide sleeve and is in sliding fit with the inner guide sleeve.

In one embodiment, the compression elastic energy storage mechanism is a spring, the axial direction of the spring is parallel to the linear guide mechanism, and one end of the spring is arranged in a spring mounting hole of the cutter block.

In an embodiment, the spring is a coil spring, a discharge screw penetrates through the coil spring, a screw end of the discharge screw penetrates through the pressure plate and the coil spring and then is connected with the spring mounting hole, and a screw head of the discharge screw is located in the discharge screw mounting hole of the pressure plate.

In one embodiment, the nip plate is made of 45# steel.

The beneficial effects of the utility model are that: the improved lateral pressing structure provides enough pressing force and discharging force, ensures that the plate is always pressed in the lateral cutting process, reduces impact force in a buffering impact mode and ensures smooth production of parts.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection structure between a material pressing block and a knife block and between knife block fixing seats;

FIG. 3 is a schematic view of the elastic expansion mechanism, showing the material pressing block;

fig. 4 is a schematic structural diagram of a pressing device in the prior art.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in fig. 1 and 2, a die side-cutting pressing mechanism is provided, wherein a pressing device 1 is arranged on a male die 2, the pressing device 1 extends to a side wall of the male die 2, a side-cutting mechanism is arranged outside the side wall of the male die 2, the side-cutting mechanism comprises a knife block fixing seat 4, a pressing plate 5 is arranged on the knife block fixing seat 4, one side of the pressing plate 5 is connected with the knife block fixing seat 4 through an elastic telescopic mechanism and moves along with the knife block fixing seat 4, and the other side of the pressing plate 5 is a working surface facing the side wall of the male die 2 and adapted to the side wall; an avoidance notch is formed in the position, opposite to the pressure plate 5, of the pressure device 1, so that the pressure plate 5 can pass through the avoidance notch.

The present embodiment shows a pressing mechanism for a side-cutting processing mold, but those skilled in the art can easily understand that, for a side-punching mechanism, the structure of the present invention is equally applicable.

Specifically, the knife block 3 is also fixedly arranged on the knife block fixing seat 4. In a specific embodiment, the section of the cutter block 3 is L-shaped, one part of the L-shape is attached to the cutter block fixing seat 4, the other part of the cutter block 3 is a front part, the front part of the cutter block 3 extends towards the side wall of the male die 2, the pressure plate 5 is arranged above the cutter block 3, and the lower edge of the pressure plate 5 is close to the upper surface of the extending part of the cutter block 3.

The inner wall of the avoiding gap is adapted to the movement track of the corresponding edge of the pressure plate 5, and the edge of the pressure plate 5 is close to the inner wall of the avoiding gap.

Like this, the pressure flitch 5 moves in the region that the inner wall of dodging the breach and the upper surface of the portion that the sword piece 3 stretches out enclose, and each side of pressure flitch 5 is close to the corresponding edge in this region respectively, neither takes place to interfere, when keeping compact structure, will press 5 size designs of flitch big enough to improve the area of contact of pressure flitch 5 and terrace die lateral wall, guarantee to compress tightly the effect.

With reference to fig. 2 and 3, the elastic expansion mechanism comprises a linear guide mechanism for guiding the movement and a compression elastic energy storage mechanism for buffering during compression and delayed removal of the compression force during separation.

The linear guide mechanism comprises a guide hole, an inner guide sleeve 9 and an inner guide post 8. The pressure plate 5 is provided with a guide hole in a penetrating way, and an inner guide sleeve 9 is arranged in the guide hole. One end of the inner guide post 8 is fixedly connected with the cutter block 3, and the other end of the inner guide post 8 extends into the inner guide sleeve 9 and is in sliding fit with the inner guide sleeve. The extending end of the inner guide post 8 is provided with an anti-drop head to prevent the inner guide post from dropping out of the inner guide sleeve 9. When the compression elastic energy storage mechanism is in a natural state, the stretching end of the inner guide pillar 8 is positioned in the middle of the guide hole, and the guide hole leaves movement allowance for the stretching end of the inner guide pillar 8.

The compression elastic energy storage mechanism is a spring 7, such as a spiral spring, the axial direction of the spring 7 is parallel to the linear guide mechanism, and one end of the spring 7 is arranged in a spring mounting hole of the cutter block 3. The discharging screw 6 penetrates through the spiral spring 7, the screw end of the discharging screw 6 penetrates through the pressure plate 5 and the spring and then is connected with the spring mounting hole, and the screw head of the discharging screw 6 is located in the discharging screw mounting hole of the pressure plate 5. The discharge screw 6 defines the distance of the pressure plate 5 from the knife block holder 4 when it is pressed by the spring 7. When the knife block 3 retracts, the elastic force of the spring 7 helps the pressure plate 5 to separate from the plate.

In addition, unlike the material pressing device 1 made of nodular cast iron, the material pressing plate 5 can be made of 45# steel separately to improve the strength and is easy to replace after being worn.

In the using process of the device, when a machine tool drives a mould to close the mould, the cutter block fixing seat 4 moves towards the male mould 2 along with the tapered wedge sliding block, the pressure plate 5 contacts the plate material before the cutter block 3 and presses the plate material on the side wall of the male mould 2, in addition, the part is always pressed in the side cutting process of the cutter block 3, and the spring 7 is compressed in the process; when the machine tool returns to move upwards, the cutter block 3 retreats along with the wedge slide block, and the spring 7 gradually recovers deformation, so that the pressure plate 5 leaves away from the part after being compared with the pressure feeder 1. Therefore, a material pressing force can be used for pressing the part all the time in the production process. The material pressing device has enough material pressing force and material discharging force, so that smooth production of parts is ensured, the strength and rigidity of the material pressing device can be ensured, and the phenomenon of edge drawing of the parts is thoroughly eliminated.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a die side-cut swager constructs is provided with eccentric swage (1) on terrace die (2), and this eccentric swage (1) extends to terrace die (2) lateral wall, terrace die (2) lateral wall is provided with the side-cut mechanism outward, its characterized in that: the side cutting mechanism comprises a knife block fixing seat (4), a pressure plate (5) is arranged on the knife block fixing seat (4), one side of the pressure plate (5) is connected with the knife block fixing seat (4) through an elastic telescopic mechanism and moves along with the knife block fixing seat (4), the other side of the pressure plate (5) is a working surface, and the working surface faces the side wall of the male die (2) and is matched with the side wall;

an avoidance notch is formed in the position, opposite to the pressure plate (5), of the pressure device (1) so as to allow the pressure plate (5) to pass through.

2. The die side-cutting swaging mechanism of claim 1, wherein: still fixedly on sword piece fixing base (4) be provided with sword piece (3), this sword piece (3) front portion to terrace die (2) lateral wall stretches out, and this sword piece (3) top is provided with press flitch (5), the lower limb of pressing flitch (5) is close to the upper surface of sword piece (3) extension.

3. The die side-cutting swaging mechanism of claim 2, wherein: the inner wall of the avoiding gap is adapted to the movement track of the corresponding edge of the pressure plate (5), and the edge of the pressure plate (5) is close to the inner wall of the avoiding gap.

4. The die side-cutting swaging mechanism of any one of claims 1 to 3, wherein: the elastic telescopic mechanism comprises a linear guide mechanism and a compression elastic energy storage mechanism.

5. The die side-cutting swaging mechanism of claim 4, wherein: the linear guide mechanism comprises a guide hole, an inner guide sleeve (9) and an inner guide pillar (8);

the guide hole penetrates through the pressure plate (5), and an inner guide sleeve (9) is arranged in the guide hole;

one end of the inner guide post (8) is fixedly connected with the cutter block (3), and the other end of the inner guide post (8) extends into the inner guide sleeve (9) and is in sliding fit with the inner guide sleeve.

6. The die side-cutting swaging mechanism of claim 4, wherein: the compression elastic energy storage mechanism is a spring (7), the axial direction of the spring (7) is parallel to the linear guide mechanism, and one end of the spring (7) is arranged in a spring mounting hole of the cutter block (3).

7. The die side-cutting swaging mechanism of claim 6, wherein: the spring (7) is a spiral spring, an unloading screw (6) penetrates through the spiral spring, the screw end of the unloading screw (6) penetrates through the pressure plate (5) and the rear portion of the spiral spring to be connected with the spring mounting hole, and the screw head of the unloading screw (6) is located in the unloading screw mounting hole of the pressure plate (5).

8. The die side-cutting swaging mechanism of any one of claims 1 to 3, wherein: the pressure plate (5) is made of 45# steel.