CN218744426U - Take off flitch side forming mechanism - Google Patents

Abstract

The utility model discloses a take off flitch side forming mechanism, the top of die holder is fixed with the flitch that floats through first elastic element, the through-hole has been seted up to the center department of flitch that floats, the lower shaping piece that passes the through-hole is installed at the top of die holder, the bottom of die holder is fixed with through second elastic element and takes off the flitch, take off and just install the window board to corresponding lower shaping piece on the flitch, the side that the top that takes off the flitch is located the window board is provided with the spout that link up, the inside sliding connection of spout has the slider, the side shaping piece that passes the spout is installed to the side of slider, the fixing base is installed to the below that the bottom that takes off the flitch is located the spout, the inside nitrogen spring that is located the spout is installed at the top of fixing base. The utility model discloses make the finished piece pass through side shaping piece and window board cooperation shaping at the side of taking off the flitch, can be in design and the work of implementation structure under limited step and less mould work step condition, better improvement material utilization rate with shorten the mould, greatly reduced cost in business.

Description

Take off flitch side forming mechanism

Technical Field

The utility model relates to the technical field of mold, specifically a take off flitch side forming mechanism.

Background

In recent years, with the increasingly intense competition of the automobile market, various automobile host manufacturers have a very high demand for stamping production efficiency and a very high labor cost, and desire to reduce stamping cost by improving the stability of a die.

The application of the progressive die is more and more, the progressive die cannot be designed due to the fact that the structural space is too small due to the step pitch and the material utilization rate, the structural design can be realized only by increasing the process steps and the step pitch, and therefore the die cost and the stamping cost are greatly increased. Therefore, it is necessary to design a stripper plate-side forming mechanism.

SUMMERY OF THE UTILITY MODEL

To the circumstances, for overcoming prior art's defect, the utility model provides a take off flitch side forming mechanism makes the finished piece pass through side shaping piece and window board cooperation shaping at the side of taking off the flitch, can realize the design and the work of structure under limited step and less mould work step condition, better improvement material utilization rate with shorten the mould, greatly reduced the cost in business.

In order to achieve the above object, the utility model provides a following technical scheme: a stripper plate side forming mechanism comprises a lower die holder and an upper die holder, wherein a floating plate is fixed at the top of the lower die holder through a first elastic element, a through hole is formed in the center of the floating plate, and a lower forming block penetrating through the through hole is installed at the top of the lower die holder;

the bottom of upper die base is fixed with through second elastic element takes off the flitch, take off on the flitch just to corresponding down the shaping piece and install the window board, the side that the top of taking off the flitch is located the window board is provided with the spout that link up, the inside sliding connection of spout has the slider, the side shaping piece that passes the spout is installed to the side of slider, the bottom that takes off the flitch is located the below of spout and installs the fixing base, the nitrogen spring who is located spout inside is installed at the top of fixing base, nitrogen spring's flexible end is passed through the kicking block and is connected with the bottom of slider, the drive block is installed to the bottom of upper die base just corresponding the slider.

Preferably, the top of the stripper plate is provided with a tool rest seat at the side edge of the chute, and the driving block is connected to the side edge of the tool rest seat in a sliding manner.

Preferably, the bottom of slider is installed the guide block, guide block sliding connection is inside the inside guide way of spout.

Preferably, the cross-sectional shape of the top block is L-shaped.

Preferably, the sliding guide surface of the sliding block is in positive correspondence with the sliding guide surface of the driving block.

The utility model has the advantages that:

1. the side edge of the stripper plate is formed by matching the side forming block with the window plate, so that the structural design and work can be realized under the conditions of limited step distance and less mould steps, the material utilization rate is better improved, the mould is shortened, and the enterprise cost is greatly reduced;

2. the driving block moves downwards along the tool rest, so that the movement stability of the driving block is improved;

3. through the guide block and the guide groove, the motion of the sliding block is guided, and the motion stability of the sliding block is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall closed-mold state plane structure of the present invention;

FIG. 2 is a schematic view of the overall open-mold state plane structure of the present invention;

reference numbers in the figures: 1. a lower die holder; 2. an upper die holder; 3. a first elastic element; 4. a floating plate; 5. a through hole; 6. a lower forming block; 7. a second elastic element; 8. a material removing plate; 9. a window plate; 10. a chute; 11. a slider; 12. a side forming block; 13. a nitrogen spring; 14. a top block; 15. a drive block; 16. a tool rest; 17. a guide block; 18. a guide groove; 19. a fixed seat.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.

Example one

Given by fig. 1 and fig. 2, the utility model provides the following technical solutions: a side forming mechanism for stripping plates comprises a lower die holder 1 and an upper die holder 2, wherein a floating plate 4 is fixed at the top of the lower die holder 1 through a first elastic element 3, a through hole 5 is formed in the center of the floating plate 4, and a lower forming block 6 penetrating through the through hole 5 is installed at the top of the lower die holder 1;

the bottom of the upper die holder 2 is fixed with a stripper plate 8 through a second elastic element 7, the stripper plate 8 is provided with a window plate 9 opposite to a corresponding lower forming block 6, the top of the stripper plate 8 is provided with a through chute 10 at the side edge of the window plate 9, the inside of the chute 10 is connected with a slide block 11 in a sliding manner, the side edge of the slide block 11 is provided with a side forming block 12 penetrating through the chute 10, the bottom of the stripper plate 8 is provided with a fixed seat 19 below the chute 10, the top of the fixed seat 19 is provided with a nitrogen spring 13 inside the chute 10, the telescopic end of the nitrogen spring 13 is connected with the bottom of the slide block 11 through a top block 14, the bottom of the upper die holder 2 is provided with a driving block 15 opposite to the slide block 11, the whole working process of the stripper plate side forming mechanism comprises three stages, the first stage is that when the upper die holder 2 is at the top dead center of a machine tool, and the lower die holder 1 is on the working table of a punch press, the lower die holder 1 is static in the whole working process, the floating plate 4 is in an initial state under the action of the first elastic element 3, the stripper plate 8 is completely opened under the action of the second elastic element 7 to fix the workpiece on the floating plate 4, in the second stage, the upper die holder 2 drives the upper die holder 2 and accessories thereof to move downwards under the action of the upper table top of the punch press, the second elastic element 7 presses the stripper plate 8 and the window plate 9 downwards, the window plate 9 is contacted with the workpiece at the moment and is propped against the floating plate 4, the upper die holder 2 continues to move downwards and presses the floating plate 4 to move downwards, the stroke of the first elastic element 3 is completely finished, the workpiece is pressed on the lower forming block 6, the second elastic element 7 starts to be compressed, the driving block 15 moves downwards, the guide sliding surface of the driving block 15 starts to be contacted with the guide sliding surface of the sliding block 11, the sliding block 11 is jacked and the side forming blocks 12 on the side edges thereof move forwards, and the slide block 11 compresses the nitrogen spring 13 through the top block 14, when the stroke of the second elastic element 7 is finished, the side forming block 12 pushes the workpiece to die at the side of the window plate 9, the forming process is finished, the die is punched to the bottom at the moment, the die reaches the die closing state, in the third stage, the upper table surface of the punch press moves upwards, the upper die base 2 and the second elastic element 7 start to release the stroke, at the moment, the second elastic element 7 always pushes against the stripper plate 8, the driving block 15 moves upwards, the slide block 11 moves backwards under the elastic action of the nitrogen spring 13, so that the side forming block 12 returns, when the stroke of the second elastic element 7 is finished, the stripper plate 4 also moves upwards simultaneously under the action of the first elastic element 3, when the stroke of the first elastic element 3 is finished, the die reaches the die opening state, a working cycle is finished, so that the workpiece is formed by the side forming block 12 and the window plate 9 in a matched mode at the side of the stripper plate 8, the design and the structure and the work can be realized under the conditions of limited step distance and less die steps, the material utilization rate and the die are better shortened, and the cost of enterprises is greatly reduced.

Preferably, the top block 14 has an L-shaped cross-sectional shape.

Preferably, the sliding guide surface of the slider 11 corresponds to the sliding guide surface of the driving block 15.

Example two

Referring to fig. 1 and 2, as another preferred embodiment, the difference from the first embodiment is that a rest base 16 is installed at the top of the stripper plate 8 at the side of the chute 10, a driving block 15 is slidably connected at the side of the rest base 16, and the driving block 15 moves downwards against the rest base 16, so as to improve the stability of the movement of the driving block 15.

EXAMPLE III

Referring to fig. 1 and fig. 2, as another preferred embodiment, the difference from the first embodiment is that a guide block 17 is installed at the bottom of the sliding block 11, the guide block 17 is slidably connected inside a guide groove 18 inside the sliding chute 10, and the guide block 17 and the guide groove 18 are arranged to guide the movement of the sliding block 11, thereby improving the stability of the movement of the sliding block 11.

The working principle is as follows:

the whole working process of the stripper plate side forming mechanism comprises three stages, wherein in the first stage, at the beginning, an upper die base 2 is at the top dead center of a machine tool, a lower die base 1 is on a working table of a punch press, the lower die base 1 is static in the whole working process, a floating plate 4 is in an initial state under the action of a first elastic element 3, a stripper plate 8 is completely opened under the action of a second elastic element 7 to fix a workpiece on the floating plate 4, in the second stage, the upper die base 2 drives the upper die base 2 and accessory accessories thereof to move downwards under the action of the upper table of the punch press, the second elastic element 7 presses the stripper plate 8 and a window plate 9 downwards, the window plate 9 is contacted with the workpiece and abuts against the floating plate 4, the upper die base 2 continues to move downwards to press the floating plate 4 to move the first elastic element 3 in the whole stroke, the workpiece is pressed on a lower forming block 6, the second elastic element 7 starts to compress, the driving block 15 moves downwards, the sliding guide surface of the driving block 15 starts to contact with the sliding guide surface of the sliding block 11, the sliding block 11 and the side forming blocks 12 on the side edges of the sliding block move forwards, the sliding block 11 compresses the nitrogen spring 13 through the jacking block 14, when the stroke of the second elastic element 7 is finished, the side forming blocks 12 push against the workpiece to be deadened on the side surface of the window plate 9, the forming process is finished, the mold is punched to the bottom, the mold reaches a mold closing state, in the third stage, the upper table surface of the punch moves upwards, the upper mold base 2 and the second elastic element 7 start to release the stroke, the second elastic element 7 always pushes against the stripper plate 8, the driving block 15 moves upwards, the sliding block 11 moves backwards under the elastic action of the nitrogen spring 13 to enable the side forming blocks 12 to retreat, when the stroke of the second elastic element 7 is finished, the stripper plate 4 also moves upwards under the action of the first elastic element 3, when the first elastic element 3 is moved, the die reaches a die opening state, a working cycle is finished, a workpiece is formed on the side edge of the stripper plate 8 through the matching of the side forming block 12 and the window plate 9, the design and the work of the structure can be realized under the conditions of limited step distance and fewer die steps, the material utilization rate is improved well, the die is shortened, and the enterprise cost is greatly reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a take off flitch side forming mechanism, includes die holder (1) and upper die base (2), its characterized in that: a floating plate (4) is fixed at the top of the lower die holder (1) through a first elastic element (3), a through hole (5) is formed in the center of the floating plate (4), and a lower forming block (6) penetrating through the through hole (5) is installed at the top of the lower die holder (1);

the bottom of upper die base (2) is fixed with stripper plate (8) through second elastic element (7), on stripper plate (8) just to corresponding down shaping piece (6) install window board (9), the side that the top of stripper plate (8) is located window board (9) is provided with spout (10) that link up, the inside sliding connection of spout (10) has slider (11), side shaping piece (12) that pass spout (10) are installed to the side of slider (11), fixing base (19) are installed to the below that the bottom of stripper plate (8) is located spout (10), nitrogen spring (13) that are located spout (10) inside are installed at the top of fixing base (19), the flexible end of nitrogen spring (13) is connected with the bottom of slider (11) through kicking block (14), drive block (15) are installed to the bottom of upper die base (2) just corresponding slider (11).

2. The depilling side forming mechanism according to claim 1, wherein: the side edge of the top of the stripper plate (8) positioned on the sliding groove (10) is provided with a tool leaning seat (16), and the driving block (15) is connected to the side edge of the tool leaning seat (16) in a sliding manner.

3. The depilling side forming mechanism according to claim 1, wherein: the bottom of slider (11) is installed guide block (17), guide block (17) sliding connection is inside guide way (18) inside spout (10).

4. The depilling side forming mechanism according to claim 1, wherein: the cross section of the top block (14) is L-shaped.

5. The depilling side forming mechanism according to claim 1, wherein: the slide guide surface of the slide block (11) is in positive correspondence with the slide guide surface of the driving block (15).

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