CN207521553U - A stamping die for automobile sheet parts that can be punched and cut - Google Patents

Abstract

The utility model discloses a punching and cutting automobile sheet metal stamping die, wherein the lower die structure comprises a lower die body, a straight punching die, a straight cutting die, a side cutting die, a lower die core, a die core stripping seat, a side cutting wedge driving seat, a guide sleeve and a sheet metal guide frame, a waste chute is arranged on the lower die body, and an upper die structure comprises an upper die body, a straight punching die, a side cutting wedge slider, a side cutting die, a press plate, an elastic pre-pressing pin, a spiral spring, a press plate fixing block, a straight cutting die, a side cutting sliding seat, a sliding seat limit baffle, a press plate limit block and a guide column, an elastic reset part is arranged at one end of the side cutting sliding seat, and a buffer body is arranged at the other end of the side cutting sliding seat. The utility model has a reasonable structural design, can complete multiple processes such as straight punching, straight cutting and side cutting in one punching process, can punch and form two automobile sheet metals at one time, has a high degree of automation, reliable operation, reduces the labor intensity of workers and improves production efficiency.

Description

A stamping die for automobile sheet parts that can be punched and cut

technical field

The utility model relates to the technical field of moulds, in particular to a stamping die for automobile sheet parts which can be punched and cut.

Background technique

Stamping die is a special process equipment for processing materials (metal or non-metal) into parts (or semi-finished products) in cold stamping machines, called cold stamping dies (commonly known as cold stamping dies); stamping is done at room temperature , A pressure processing method that uses a mold installed on a press to apply pressure to the material to cause separation or plastic deformation to obtain the required parts. Stamping die is an indispensable process equipment for stamping production, and it is a technology-intensive product. The quality, production efficiency and production cost of stamping parts are directly related to the design and manufacture of molds. The level of mold design and manufacturing technology is one of the important symbols to measure the level of a country's product manufacturing, which largely determines the quality, efficiency and new product development capabilities of products.

There are many forms of stamping dies, and the stamping dies are also classified according to the nature of the work, the structure of the die, and the material of the die. (1) The die is a die that separates the material along the closed or open contour. Such as blanking die, punching die, cutting die, notch die, trimming die, cutting die, etc. (2) The bending die makes the sheet metal blank or other blanks bend and deform along a straight line (bending line), so as to obtain a die with a certain angle and shape of the workpiece. (3) The drawing die is a mold that makes the sheet blank into an open hollow part, or further changes the shape and size of the hollow part. (4) The forming mold is a mold that directly copies the rough or semi-finished workpiece according to the shape of the convex and concave molds in the figure, and the material itself only produces local plastic deformation. Such as bulging die, shrinking die, expanding die, undulating forming die, flanging die, shaping die, etc.

In the existing stamping dies for the production of auto parts, most of them use one stamping die to process only one process. If you need to process a product, you need to design the dies for each process. Not only does it take a lot of time and energy to design the dies, And after a long period of debugging, more manpower will be needed in the subsequent mass production, which will undoubtedly increase the cost of production.

Utility model content

The purpose of the utility model is to overcome the above-mentioned defects in the prior art, and provide a stamping die for automobile sheet parts that can be punched and cut.

In order to achieve the above purpose, the utility model provides a stamping die for punching and slitting automobile sheet parts, which includes a lower die structure and an upper die structure, and the lower die structure has a lower die body, a straight punching die, a straight die The slitting die, the side slitting die and the lower die core, the die core stripping seat, the side slitting wedge drive seat, the guide sleeve and the sheet metal guiding frame respectively installed on the lower die body, the lower die There are two cores arranged symmetrically, the straight punching dies are distributed on the two lower die cores, the straight slitting dies are installed at one end of the two lower die cores, and the side slitting dies The mold and side cutting wedge driving seat are installed at the other end of the two lower mold cores, and the mold core stripping seat is installed between the two lower mold cores and can move up and down relative to the lower mold body. The guide frame is installed on the periphery of the two lower mold cores, the guide sleeve is located at the four corners of the lower mold body, and the lower mold body is equipped with a straight punching die and a straight slitting die. The waste chute below, the upper mold structure has upper mold body, straight punching punch, side slitting wedge slider, side slitting punch, binder plate, elastic pre-compression pin, coil spring and respectively installed in the The punch fixing block at the bottom of the upper die body, the straight slitting punch, the side slitting sliding seat, the sliding seat limit baffle, the binder plate limit block and the guide post, the straight punching punch is installed on the punch and fixed On the block and can be inserted into the straight punching die directly below it through the binder plate, the straight cutting punch is installed at one end of the upper die body, the straight cutting punch and the straight cutting concave The positions of the molds correspond to each other. The side slitting sliding seat is movably installed in two accommodating cavities opened at the other end of the upper mold body, and the sliding seat limit baffle is installed on both sides of the side slitting sliding seat. The side slitting wedge slider is installed at one end of the side slitting slide seat, the side slitting punch is installed at the other end of the side slitting slide seat, and the side slitting wedge slider is connected with the side slitting The driving seat of the cutting wedge is slidably matched, so that the slidable side slitting punch and the side slitting die cooperate to cut the sheet metal, and one end of the side slitting sliding seat is equipped with an elastic reset piece, and the The other end of the side slitting sliding seat is provided with a buffer body, the coil spring is installed between the bottom of the upper die body and the pressing plate, the elastic pre-pressing pin is installed on the pressing plate, and the pressing The plate limiter is located on both sides of the binder plate, the limiter of the binder plate is matched with the side limit of the binder plate, and the guide posts are installed at the four corners of the upper die body and inserted placed in the corresponding guide sleeve.

Preferably, the two lower mold cores are respectively equipped with sheet positioning pins.

As a preference, the side of the lower mold body is equipped with a transportation clamping connecting plate for locking the upper mold body during transportation, and the sides of the lower mold body and the upper mold body are respectively equipped with lifting Great.

Preferably, the top of the lower mold body is equipped with buffer polyurethane for cushioning the upper mold body when the mold is closed.

Preferably, the two ends of the upper mold body are provided with clamp hooks for cooperating with the manipulator.

As a preference, the top of the guide sleeve is provided with an annular stop block for balancing when the mold is clamped.

Preferably, the guide sleeve is set as a self-lubricating guide sleeve with a graphite layer, and a self-lubricating guide plate with a graphite layer is respectively installed on the contact surface between the side of the binder plate and the upper mold body.

Preferably, the bottom of the upper mold body is provided with a square partition for preventing excessive deformation of the coil spring, and the square partition is located above the hold-down plate.

Preferably, a travel limit bolt for preventing the pressure plate from falling is installed between the upper die body and the pressure plate.

As a preference, a forced return hook for forcibly driving the side-slitting sliding seat back is installed between the side-slitting sliding seat and the side-slitting wedge driving seat.

Compared with the prior art, the utility model has the beneficial effects of:

The structure design of the utility model is reasonable, and multiple processes such as straight punching, straight slitting and side slitting can be completed in one stamping process, and two automobile sheet parts can be stamped and formed at one time, with high degree of automation, reliable operation, and reduced It reduces the labor intensity of workers and improves production efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present utility model. Those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is a structural schematic diagram of a stamping die for automobile sheet parts that can be punched and slit provided by the utility model;

Fig. 2 is the structural representation of the lower mold structure provided by the utility model;

Fig. 3 is the structural representation of the upper mold structure provided by the utility model;

Fig. 4 is the structural schematic view of the upper die structure provided by the utility model after the binder plate is hidden;

Fig. 5 is a schematic structural view of the binder plate provided by the utility model;

Fig. 6 is a schematic structural view of the side cutting mechanism provided by the utility model;

Fig. 7 is a schematic structural view of the straight punching mechanism provided by the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, the embodiment of the present utility model provides a stamping die for punching and slitting automobile sheet parts, the stamping die for automobile sheet parts includes a lower die structure and an upper die structure. Detailed description.

As shown in Figure 2, the lower mold structure has a lower mold body 1, a straight punching die 2, a straight slitting die 3, a side slitting die 4, and a lower die core 5 respectively installed on the lower die body 1, Die core stripping seat 6, side cutting wedge driving seat 7, guide sleeve 8, and sheet metal guide frame 9 for guiding the position of automobile sheet parts to the limit position, the lower die core 5 is provided with two and formed Symmetrically arranged, the straight punching die 2 is distributed on the two lower die cores 5, the straight slitting die 3 is installed at one end of the two lower die cores 5, the side slitting die 4 and the side slitting wedge are driven The seat 7 is installed at the other end of the two lower mold cores 5, the mold core stripping seat 6 is installed between the two lower mold cores 5 and can move up and down relative to the lower mold body 1, and the sheet metal guiding frame 9 is installed Set on the periphery of the two lower mold cores 5, the guide sleeve 8 is located at the four corners of the lower mold body 1, and the lower mold body 1 is equipped with waste materials located below the straight punching die 2 and the straight slitting die 3 Chute 10, the waste material after cutting can slide down from waste material chute 10.

As shown in Figure 3, Figure 4 and Figure 5, the structure of the upper die has an upper die body 11, a straight punching punch 12 (straight punch), a side slitting wedge slider 13, a side slitting punch 14 (side slitting knife), binder plate 15, elastic preload pin 34, coil spring 16 and punch fixing block 17, straight slitting punch 18 (straight slitting knife), side slitting Sliding seat 19, sliding seat limit baffle 20, binder plate limit block 21 and guide post 22, straight punching punch 12 is installed on punch fixing block 17 and can be inserted directly below it through binder plate 15 In the straight punching die 2, the straight slitting punch 18 is installed on one end of the upper die body 11, the straight slitting punch 18 corresponds to the position of the straight slitting die 3, and the side slitting sliding seat 19 is movable Installed in the two accommodating cavities opened at the other end of the upper die body 11, the sliding seat limit baffle 20 is installed on both sides of the side slitting sliding seat 19, and the side slitting wedge slider 13 is installed on the side slitting One end of the sliding seat 19, the side slitting punch 14 is installed on the other end of the side slitting sliding seat 19, and the side slitting wedge slider 13 is slidably matched with the side slitting wedge driving seat 7, so that the sliding The side slitting punch 14 cooperates with the side slitting die 4 to cut the sheet metal. One end of the side slitting sliding seat 19 is equipped with an elastic reset piece, and the other end of the side slitting sliding seat 19 is provided with a buffer. The buffer body 23 for protection, the coil spring 16 is installed between the bottom of the upper die body 11 and the press plate 15, the elastic pre-press pin 34 is installed on the press plate 15, and the press plate limit block 21 is located on the press plate. On both sides of the material plate 15, the clamping plate limit block 21 cooperates with the side limit of the clamping plate 15, and the guide posts 22 are installed at the four corners of the upper die body 11 and inserted into the corresponding guides respectively. Set of 8 inside.

As shown in FIG. 2 , the two lower mold cores 5 are respectively equipped with sheet-part positioning pins 24 .

As shown in Figures 1 and 2, the side of the lower mold body 1 is provided with a transportation mold locking connecting plate 25 for mold locking with the upper mold body 11 during transportation. The end can be locked on the lower mold body 1 and the upper mold body 11 by screws, so that the lower mold body 1 and the upper mold body 11 will not swing or be offset at will, and prevent the upper mold and the lower mold from wearing. The sides of the lower mold body 1 and the upper mold body 11 are respectively equipped with lifting rods 26, and the lifting rods are connected with the lifting hooks of the lifting device.

As shown in FIG. 2 , the top of the lower mold body 1 is provided with a cushioning polyurethane 27 for buffering the upper mold body 11 when the mold is closed.

As shown in FIG. 1 , clamp hooks 28 for cooperating with the manipulator are installed at both ends of the upper mold body 11 .

As shown in FIG. 2 , the top of the guide sleeve 8 is provided with an annular stop block 29 for balancing during mold clamping, and the annular stop block 29 can increase the contact area.

In this embodiment, the guide sleeve 8 can preferably be set as a self-lubricating guide sleeve with a graphite layer, which facilitates the contact between the guide post and the guide sleeve and prolongs the service life of the equipment. As shown in Figure 4, self-lubricating guide plates 30 with a graphite layer are respectively installed on the contact surface between the side of the binder plate 15 and the upper mold body 11, which is conducive to the contact between the binder plate and the upper mold body, prolonging the The service life of the equipment.

As shown in FIG. 4 , the bottom of the upper die body 11 is provided with a square partition 31 for preventing excessive deformation of the coil spring 16 , and the square partition 31 is located above the binder plate 15 . When the mold is closed to the end, the square partition can be in contact with the binder plate to play a position-limiting role.

In addition to using the clamping plate limit block to limit the stroke of the clamping plate, as shown in Figure 4, there can also be installed between the upper die body 11 and the clamping plate 15 to prevent the clamping plate 15 from falling. The stroke limit bolt 32 further improves the safety performance of the equipment.

As shown in Figure 6, between the side slitting sliding seat 19 and the side slitting wedge driving seat 7, a forced retracting hook 33 for forcing the side slitting sliding seat 19 to retreat is installed, which can prevent the side slitting punch from Damaged, play a safety role.

As shown in Figure 1, Figure 6 and Figure 7, in the process of mold clamping, the entire upper mold structure moves downward, and the elastic pre-press pin first presses the automobile sheet on the lower mold core to perform pre-press positioning , the upper die structure continues to go down, the binder plate punches the car sheet, the straight slitting punch cuts the car sheet in half, the straight punching punch punches the car sheet directly, and the side slitting wedge slides The block is slidably matched with the side slitting wedge driving seat, thereby driving the side slitting sliding seat to slide, so that the side slitting punch and the side slitting die cooperate to carry out side slitting of the automobile sheet parts.

To sum up, the structure design of the utility model is reasonable, and multiple processes such as straight punching, straight slitting and side slitting can be completed in one stamping process, and two automobile sheet parts can be stamped and formed at one time, with a high degree of automation , reliable operation, reducing the labor intensity of workers and improving production efficiency.

The above-mentioned embodiment is a preferred implementation mode of the present utility model, but the implementation mode of the present utility model is not limited by the above-mentioned embodiment, and any other changes, modifications and substitutions made without departing from the spirit and principle of the present utility model , combination, and simplification, all should be equivalent replacement methods, and are all included in the protection scope of the present utility model.

Claims (10)

1. A stamping die for punching and cutting automobile sheet parts, comprising a lower die structure and an upper die structure, characterized in that: the lower die structure has a lower die body, a straight punching die, and a straight cutting die , the side slitting die and the lower die core, the mold core stripping seat, the side slitting wedge drive seat, the guide sleeve and the sheet metal guiding frame respectively installed on the lower die body. The lower die core is provided with two set symmetrically, the straight punching dies are distributed on the two lower die cores, the straight slitting dies are installed at one end of the two lower die cores, the side slitting dies and the side slitting dies are The cutting wedge drive seat is installed at the other end of the two lower mold cores. The mold core stripping seat is installed between the two lower mold cores and can move up and down relative to the lower mold body. The sheet metal guiding frame Installed on the periphery of the two lower die cores, the guide sleeves are located at the four corners of the lower die body, and the lower die body is equipped with waste slides located under the straight punching die and the straight slitting die. groove, the upper mold structure has an upper mold body, a straight punching punch, a side slitting wedge slider, a side slitting punch, a binder plate, an elastic pre-pressing pin, a coil spring and are respectively installed at the bottom of the upper mold body The punch fixing block, the straight cutting punch, the side cutting sliding seat, the sliding seat limit baffle, the binder plate limit block and the guide post, the straight punching punch is installed on the punch fixing block and can be Pass through the binder plate and insert into the straight punching die directly below it. The straight slitting punch is installed at one end of the upper die body, and the position of the straight slitting punch is opposite to the straight slitting die. Correspondingly, the side slitting sliding seat is movably installed in the two accommodating cavities opened at the other end of the upper die body, the sliding seat limit baffle is installed on both sides of the side slitting sliding seat, and the side slitting The wedge slider is installed at one end of the side slitting slide seat, the side slitting punch is installed at the other end of the side slitting slide seat, and the side slitting wedge slider and the side slitting wedge drive The seat slides and fits, so that the side slitting punch and the side slitting die cooperate to cut the sheet. One end of the side slitting slide seat is equipped with an elastic reset piece, and the side slitting slide The other end of the seat is provided with a buffer body, the coil spring is installed between the bottom of the upper die body and the pressing plate, the elastic pre-pressing pin is installed on the pressing plate, and the limiting block of the pressing plate Located on both sides of the binder plate, the limit block of the binder plate is matched with the side limit of the binder plate, and the guide posts are installed at the four corners of the upper die body and inserted into the corresponding inside the guide sleeve. 2. A stamping die for punching and cutting automobile sheet parts according to claim 1, characterized in that: the two lower die cores are respectively equipped with sheet part positioning pins. 3. A stamping die for punching and slitting automobile sheet parts according to claim 1, characterized in that: the side of the lower die body is equipped with a clamp for mold locking with the upper die body during transportation. Transport the mold clamping connecting plate, and the sides of the lower mold body and the upper mold body are respectively equipped with lifting rods. 4. A stamping die for punching and cutting automobile sheet parts according to claim 1, characterized in that: the top of the lower die body is equipped with a buffer for buffering the upper die body when the die is closed Polyurethane. 5. A stamping die for punching and cutting automobile sheet parts according to claim 1, characterized in that: the two ends of the upper die body are equipped with clamp hooks for cooperating with the manipulator. 6. A stamping die for punching and cutting automobile sheet parts according to claim 1, characterized in that: the top of the guide sleeve is equipped with a ring-shaped stop block for balancing when the mold is closed . 7. A stamping die for punching and cutting automobile sheet parts according to claim 1, characterized in that: the guide sleeve is set as a self-lubricating guide sleeve with a graphite layer, and the side of the binder plate Self-lubricating guide plates with graphite layers are respectively installed on the contact surfaces with the upper mold body. 8. A stamping die for punching and cutting automobile sheet parts according to claim 1, characterized in that: the bottom of the upper die body is equipped with a square partition for preventing excessive deformation of the coil spring, and the The square dividing plate is located above the pressing plate. 9. A stamping die for punching and cutting automobile sheet parts according to claim 1, characterized in that: a stroke for preventing the binder plate from falling is installed between the upper die body and the clamping plate Limit bolt. 10. A stamping die capable of punching and slitting automobile sheet parts according to claim 1, characterized in that: between the side slitting slide seat and the side slitting wedge drive seat, a device for forcibly driving The forced retraction hook for the retraction of the side cutting sliding seat.