CN113878024B

CN113878024B - Stamping method

Info

Publication number: CN113878024B
Application number: CN202111060446.XA
Authority: CN
Inventors: 董春涛; 郭结强; 郭东川; 钟海泉
Original assignee: Zhuhai Fuji Intelligent Co ltd
Current assignee: Zhuhai Fuji Intelligent Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2024-06-04
Anticipated expiration: 2041-09-10
Also published as: CN113878024A

Abstract

The invention discloses a stamping method, which uses a stamping die to stamp a frame piece, and comprises the following steps: the method comprises the following steps of installing a frame piece on a stamping die, so that reinforcing ribs of the frame piece are located between an upper clamping block and a lower clamping block; a stamping step, namely controlling the upper clamping block to descend to the upper clamping block and the lower clamping block to clamp the reinforcing ribs of the frame piece, so that the punching block cuts off the part of the reinforcing ribs between the two lower clamping blocks; the stamping die includes: a base; at least two lower clamping blocks arranged on the base; the upper clamping blocks are arranged on the base, and the plurality of upper clamping blocks can clamp the reinforcing ribs of the frame piece together with the plurality of lower clamping blocks; the punching block is arranged on the base, is positioned between the two lower clamping blocks and has a punching surface higher than the lower clamping blocks; by the stamping method, the production efficiency of cutting off the reinforcing ribs of the frame piece can be improved.

Description

Stamping method

Technical Field

The invention relates to the field of stamping, in particular to a stamping method.

Background

In the production of the prior frame parts, a frame part with a special shape is arranged, a side plate and a reinforcing rib are arranged on a substrate of the frame part, the side plate and the reinforcing rib are provided with a certain gap, and the gap is smaller, so that the frame and other parts are convenient to install, and the reinforcing rib needs to be arranged at intervals along the length direction of the frame part in a multi-section mode; since such a frame is usually produced by a cold extrusion or rolling process, the reinforcing ribs are continuous along the length direction of the frame member, and therefore, it is necessary to cut out part of the continuous reinforcing ribs.

In the past technology, because the gap between curb plate and the strengthening rib is too little, be difficult to carry out the punching press, need adopt numerical control cutting's mode to the excision of strengthening rib part position to carry out, not only excision efficiency is extremely low, and frame spare length is longer moreover, is difficult to the clamping on the digit control machine tool, brings inconvenience for production.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a stamping method which can improve the production efficiency of cutting the reinforcing ribs of the frame piece.

The stamping method of the invention uses the stamping die to stamp the frame member, and comprises the following steps: the method comprises the following steps of installing a frame piece on a stamping die, so that reinforcing ribs of the frame piece are located between an upper clamping block and a lower clamping block; a stamping step, namely controlling the upper clamping block to descend to the upper clamping block and the lower clamping block to clamp the reinforcing ribs of the frame piece, so that the punching block cuts off the part of the reinforcing ribs between the two lower clamping blocks; the stamping die includes: a base; at least two lower clamping blocks arranged on the base; the upper clamping blocks are arranged on the base, and the plurality of upper clamping blocks can clamp the reinforcing ribs of the frame piece together with the plurality of lower clamping blocks; and the punching block is arranged on the base, is positioned between the two lower clamping blocks and has a punching surface higher than the lower clamping blocks.

According to some embodiments of the invention, in the mounting step, the pushing cylinder is controlled to push the left push block to move rightward and push the base plate of the frame member so that the reinforcing rib enters between the lower clamp block and the upper clamp block.

According to some embodiments of the invention, during the mounting step, a plurality of cylinders are controlled to push the left push block together.

According to some embodiments of the invention, during the mounting step, the base plate of the frame member is pushed by the left push block such that the extension of the upper clamp block is inserted between the stiffener and the side plate of the frame member.

According to some embodiments of the invention, during the mounting step, the base plate of the frame member is pushed such that the side plate of the frame member is interposed between the upper platen and the upper clamp block.

According to some embodiments of the invention, the upper clamping block has an extension extending to the left, and the side plate of the frame member is interposed between the upper pressing plate and the extension.

According to some embodiments of the invention, during the stamping step, the upper die plate is controlled to descend, so that the upper clamping block and the upper pressing plate are driven to descend together.

According to some embodiments of the invention, during the stamping step, the inclined surfaces of the upper and lower clamping blocks abut each other, such that the lower clamping block moves to the left.

According to some embodiments of the invention, the lower clamping block moves to the left simultaneously with the punching block during the punching step.

According to some embodiments of the invention, when the portion of the reinforcing bar between the two lower clamping blocks is cut off, the punching block moves rightward, and the cut-off portion of the reinforcing bar is fed into the blanking port.

By adopting the stamping method, in the production process, the frame piece can be arranged on the stamping die, so that the reinforcing ribs of the frame piece enter between the upper clamping blocks and the lower clamping blocks, then the upper clamping blocks are controlled to descend to the upper clamping blocks and the lower clamping blocks to clamp the reinforcing ribs of the frame piece, and the punching surface of the punching block is higher than the lower clamping blocks, so that the punching block can cut off the parts of the reinforcing ribs between the two lower clamping blocks; the ribs are clamped in the stamping process, the punching is stable, and compared with a numerical control machining mode, the punching mode is short in punching of the reinforcing ribs, and the efficiency is high.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a frame member according to an embodiment of the present invention;

FIG. 2 is a rotational cross-sectional view taken in the direction C-C of FIG. 1;

FIG. 3 is an isometric view of a stamping die in an embodiment of the invention;

FIG. 4 is an isometric view of the stamping die of FIG. 3 with the upper platen and a portion of the upper platen removed;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is a side view of the stamping die of FIG. 4;

FIG. 7 is an enlarged view at C in FIG. 6;

FIG. 8 is an isometric view of the stamping die of FIG. 4 with the upper clamping blocks removed;

Fig. 9 is an enlarged view of D in fig. 8;

the above figures contain the following reference numerals.

Reference numerals	Name of the name	Reference numerals	Name of the name
				100	Frame piece	230	Guide post
110	Substrate board	240	Lower clamping block
				120	Side plate	250	Upper clamping block
130	Reinforcing rib	260	Left push block
				200	Base seat	270	Punching and cutting block
210	Pushing cylinder	280	Upper pressing plate
				220	Upper template	290	Blanking port

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality means one or more, and a plurality means two or more, and it is understood that greater than, less than, exceeding, etc. does not include the present number, and it is understood that greater than, less than, within, etc. include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 3 to 9, the press die of the present embodiment includes: a base 200; at least two lower clamping blocks 240 disposed on the base 200; at least two upper clamping blocks 250 disposed on the base 200, the plurality of upper clamping blocks 250 being capable of clamping the reinforcing ribs 130 of the frame member 100 together with the plurality of lower clamping blocks 240; the punching block 270 is disposed on the base 200, the punching block 270 is located between the two lower clamping blocks 240, and the punching surface of the punching block 270 is higher than the lower clamping blocks 240.

The embodiment also provides a stamping method using the stamping die, which comprises the following steps: a mounting step of mounting the frame member 100 on the stamping die such that the reinforcing ribs 130 of the frame member 100 are located between the upper and lower clamping blocks 250 and 240; and a punching step of controlling the upper clamping block 250 to descend to clamp the reinforcing bar 130 of the frame member 100 by the upper clamping block 250 and the lower clamping block 240 such that the punching block 270 cuts off a portion of the reinforcing bar 130 located between the two lower clamping blocks 240.

With the above stamping die and stamping method, during the production process, the frame member 100 may be mounted on the stamping die, so that the reinforcing rib 130 of the frame member 100 enters between the upper clamping block 250 and the lower clamping block 240, and then the upper clamping block 250 is controlled to descend to the upper clamping block 250 and the lower clamping block 240 to clamp the reinforcing rib 130 of the frame member 100, and since the punching surface of the punching block 270 is higher than the lower clamping block 240, the punching block 270 can cut the portion of the reinforcing rib 130 located between the two lower clamping blocks 240; the ribs are clamped in the stamping process, the punching is stable, and compared with the numerical control machining mode, the punching mode adopted for punching the reinforcing ribs 130 is short in use and high in efficiency.

As shown in fig. 1 and 2, the frame member 100 includes three parts, namely a base plate 110, a side plate 120 and a reinforcing rib 130, wherein the side plate 120 and the reinforcing rib 130 are both disposed on the base plate 110, a certain gap is formed between the side plate 120 and the reinforcing rib 130, and the gap between the side plate 120 and the reinforcing rib 130 is approximately 2-4 times the thickness of the reinforcing rib 130 because the gap between the side plate 120 and the reinforcing rib 130 is smaller, so that the conventional stamping process cannot lower the reinforcing rib 130 without damaging the side plate 120.

Specifically, when the upper clamping block 250 is lowered to clamp the rib together with the lower clamping block 240, since the punching surface of the punching block 270 is higher than the lower clamping block 240, the punching block 270 has been raised to cut the rib 130 between the two lower clamping blocks 240, and when the upper clamping block 250 and the lower clamping block 240 clamp the rib 130 together, the upper clamping block 250 cannot be lowered, the punching block 270 does not contact the side plate 120, and damage to the side plate 120 is prevented, and for this reason, the height of the punching surface of the punching block 270 with respect to the top surface of the lower clamping block 240 should be greater than the thickness of the rib 130, preferably 1.5 times the thickness of the rib 130.

It should be noted that, in the present embodiment, the frame member 100 is not a part of the stamping die, but is just a feature of the usage environment of the stamping die.

Specifically, as shown in fig. 4, a plurality of first clamping blocks and second clamping blocks are distributed on the stamping die along the front-rear direction, and a punching block 270 is arranged between two adjacent second clamping blocks.

Further, to facilitate the mounting of the rim member 100 in place, the stamping die further includes: a push cylinder 210 disposed on the base 200; a left push block 260 connected to the push cylinder 210; the pushing cylinder 210 can push the left push block 260 to move rightward, so that the left push block 260 abuts the frame member 100; at this time, the mounting step in the stamping method specifically further includes controlling the pushing cylinder 210 to push the left pushing block 260 to move rightward and push the base plate 110 of the frame member 100, so that the reinforcing rib 130 enters between the lower clamping block 240 and the upper clamping block 250; during punching, the left push block 260 is controlled by the cylinder to contact the frame member 100 rightward, so that the frame member 100 is prevented from falling off.

As shown in fig. 4, there are a plurality of pushing cylinders 210, and the plurality of pushing cylinders 210 can push the left push block 260 to move rightward by one pass; the frame member 100 is ensured to have a plurality of cylinders for exerting acting force along the front-back length direction, and the fixation is firm; at this time, the mounting step also includes making a plurality of cylinders to push the left push block 260 together.

As shown in fig. 7, the upper clamping block 250 has an extension portion extending leftward, which can be inserted between the reinforcing bar 130 and the side plate 120 of the frame member 100, and clamp the reinforcing bar 130 together with the lower clamping block 240; since the gap between the reinforcing rib 130 and the side plate 120 is small, in order to firmly clamp the reinforcing rib 130 during the stamping process, the upper clamping block 250 is provided with an extension portion extending leftwards, and the frame member 100 can be installed into the mold rightwards at this time, so that the extension portion can be inserted between the reinforcing rib 130 and the side plate 120 of the frame member 100 and clamp the reinforcing rib 130 together with the lower clamping block 240; specifically, during the mounting step, the left push block 260 may be pushed by a plurality of cylinders to abut against and push the base plate 110 of the rim member 100 to the right such that the extension portion of the upper clamp block 250 is inserted between the reinforcing rib 130 and the side plate 120 of the rim member 100.

As shown in fig. 5, the stamping die further includes an upper pressing plate 280, where the upper pressing plate 280 is located above the upper clamping block 250, the upper pressing plate 280 is slidably connected to the base 200, and the upper pressing plate 280 can clamp the side plate 120 of the frame member 100 together with the upper clamping block 250; as shown in fig. 7, since the gap between the reinforcing rib 130 and the side plate 120 is small, in order to allow the extension to be inserted between the reinforcing rib 130 and the side plate 120 of the frame member 100, the thickness of the extension cannot be greater than the gap width between the reinforcing rib 130 and the side plate 120, so that the strength of the extension is weak and is easily broken during punching, in order to solve the problem, the punching die further includes an upper pressing plate 280, the upper pressing plate 280 being located above the upper clamping block 250, the upper pressing plate 280 being slidably connected with the base 200, the upper pressing plate 280 being capable of clamping the side plate 120 of the frame member 100 together with the upper clamping block 250; after the extension is inserted between the reinforcing rib 130 and the side plate 120, the extension and the reinforcing plate can clamp the side plate 120 of the frame member 100 together, so that the reinforcing plate can provide support for the extension and prevent the extension from breaking during the stamping process; the mounting step of the stamping method at this time includes pushing the base plate 110 of the frame member 100 such that the side plate 120 of the frame member 100 is inserted between the upper pressing plate 280 and the upper clamping block 250; specifically, the clamping block 250 has an extension portion extending leftward, and the side plate 120 of the frame member 100 is interposed between the upper pressure plate 280 and the extension portion.

As shown in fig. 3, in order to facilitate driving the plurality of upper press plates 280 and the plurality of upper clamping blocks 250 to descend together, the stamping die further includes an upper die plate 220, the upper die plate 220 is slidably connected with the base 200, and the upper clamping blocks 250 and the upper press plates 280 are disposed below the upper die plate 220; at this time, the stamping step of the stamping method further includes controlling the upper die plate 220 to descend, so as to drive the upper clamping block 250 and the upper pressing plate 280 to descend together.

As shown in fig. 6, the upper clamping block 250 and the lower clamping block 240 are respectively provided with an inclined surface capable of being matched with each other, the lower clamping block 240 is slidably connected with the base 200, the base 200 is provided with a spring, and the spring can provide a rightward pushing force to the lower clamping block 240; in the mounting step, the spring pushes the lower clamping block 240 to be positioned at the rightmost side, so that a larger space is avoided for clamping the frame member 100, and in the descending process of the upper clamping block 250, the inclined plane is matched with the inclined plane to enable the lower clamping block to move rightwards, so that the lower clamping block and the upper clamping block 250 gradually clamp the reinforcing ribs 130; when the stamping is completed, the spring pushes the lower clamping block 240 to reset rightward; at this time, the stamping step of the stamping method includes the abutment of the inclined surfaces of the upper and lower clamping blocks 250 and 240 with each other, so that the lower clamping block 240 moves leftward.

Specifically, the lower clamping block 240 is fixedly connected with the punching block 270, and in the process of descending the upper clamping block 250, the lower clamping block 240 and the punching block 270 move rightwards together, and after punching is completed, the punching block 270 is reset, so that the cut reinforcing ribs 130 can be driven rightwards, and automatic unloading of waste materials is realized; at this time, in the stamping step, the inclined surfaces of the upper clamping block 250 and the lower clamping block 240 are abutted against each other, so that the lower clamping block 240 is moved leftwards; in particular, the underground clamping block 240 moves to the left simultaneously with the punching block 270.

In order to facilitate the collection of the punched reinforcing ribs 130, the right side of the punching block 270 is provided with a blanking port 290; when the punching is completed, the punching block 270 and the lower clamping block 240 are reset rightward together, so that the cut part of the reinforcing rib 130 is driven to the right together, and the cut part of the reinforcing rib 130 falls into the blanking port 290 on the right side, so that the complete waste is automatically collected.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.

Claims

1. A stamping method for stamping a frame member (100) by using a stamping die, comprising the steps of:

The method comprises the steps of installing a frame member (100) on a stamping die, so that a reinforcing rib (130) of the frame member (100) is positioned between an upper clamping block (250) and a lower clamping block (240);

A stamping step of controlling the upper clamping block (250) to descend to the upper clamping block (250) and the lower clamping block (240) to clamp the reinforcing rib (130) of the frame member (100), so that the stamping block (270) cuts off the part of the reinforcing rib (130) between the two lower clamping blocks (240);

The stamping die includes:

A base (200);

at least two lower clamping blocks (240) disposed on the base (200);

At least two upper clamping blocks (250) arranged on the base (200), wherein the plurality of upper clamping blocks (250) can clamp the reinforcing ribs (130) of the frame member (100) together with the plurality of lower clamping blocks (240);

the punching block (270) is arranged on the base (200), the punching block (270) is positioned between the two lower clamping blocks (240), and the punching surface of the punching block (270) is higher than the lower clamping blocks (240);

In the stamping step, the upper die plate (220) is controlled to descend, and the upper clamping block (250) and the upper pressing plate (280) are driven to descend together;

In the stamping step, the inclined surfaces of the upper clamping block (250) and the lower clamping block (240) are mutually abutted, so that the lower clamping block (240) moves leftwards;

During the stamping step, the lower clamping block (240) and the punching block (270) move to the left simultaneously;

When the part of the reinforcing rib (130) between the two lower clamping blocks (240) is cut off, the punching block (270) moves rightward, and the cut-off part of the reinforcing rib (130) is fed into the blanking port (290).

2. The stamping method according to claim 1, wherein in the mounting step, the pushing cylinder (210) is controlled to push the left push block (260) to the right and push the base plate (110) of the frame member (100) such that the reinforcing rib (130) enters between the lower clamp block (240) and the upper clamp block (250).

3. The pressing method according to claim 2, wherein in the mounting step, a plurality of cylinders are controlled to push the left push block (260) together.

4. The stamping method according to claim 2, wherein in the mounting step, the base plate (110) of the rim member (100) is pushed by the left push block (260) such that the extension of the upper clamp block (250) is inserted between the reinforcing rib (130) and the side plate (120) of the rim member (100).

5. The pressing method according to claim 4, wherein in the mounting step, the base plate (110) of the frame member (100) is pushed so that the side plate (120) of the frame member (100) is interposed between the upper pressing plate (280) and the upper clamp block (250).

6. The stamping method according to claim 5, wherein the upper clamping block (250) has an extension extending leftward, and the side plate (120) of the frame member (100) is interposed between the upper pressing plate (280) and the extension.