CN218108979U

CN218108979U - Elastic edge pressing structure of hot stamping die

Info

Publication number: CN218108979U
Application number: CN202221538826.XU
Authority: CN
Inventors: 邵琦; 张才洪; 袁琼
Original assignee: Sichuan Light Boat Automobile Lightweight Technology Co ltd
Current assignee: Sichuan Light Boat Automobile Lightweight Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-12-23
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a hot stamping die elasticity blank pressing structure relates to deep-drawing mould technical field, including die, terrace die and base, die fixed mounting is in base top department, the lateral wall of die rotates and is connected with the pressure frame, the bottom fixedly connected with spring washer who presses the frame, the lateral wall fixedly connected with hydraulic stem of base. The utility model discloses can be through die, hydraulic stem, pressure frame, add the cooperation design of pressure frame and pressure sensor, when carrying out the blank pressing to the model, the edge of pressing the frame aligns the die cavity edge of recess automatically, saves operating time, and the hydraulic stem drives and adds the pressure frame and support the extension board, rotates the clamping-force of blank pressing frame to the model with the pulling force of hydraulic stem, and then improves the stability when model deep-drawing.

Description

Elastic edge pressing structure of hot stamping die

Technical Field

The utility model relates to a deep-drawing mould technical field specifically is a hot stamping die elasticity blank pressing structure.

Background

The deep forming is an important mode of plate forming, and the inventor finds that in the deep-drawing forming process, when a stamping mechanism is used for stamping a plate to obtain a workpiece structure with a complex shape, high requirements are made on the blank holding force for fixing the edge of the plate, if the blank holding force is too large, the workpiece is prone to crack, and if the blank holding force is too large, the small plate can be buckled and wrinkled, so that the problem that the edge of the workpiece is wrinkled and the workpiece is cracked can be solved by arranging a blank holder between convex-concave dies.

The blank holder device commonly used at present mainly has the elasticity blank holder, and the elasticity blank holder includes spring blank holder device and rubber blank holder device, and the elasticity blank holder device can't reach the ideal state in control blank holder power, and stability is not good, and the elasticity blank holder still needs the manual work to align the mould when using, the model of being not convenient for take, comparatively waste time. Therefore, the elastic edge pressing structure of the hot stamping die is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hot stamping die elasticity blank pressing structure in order to compensate prior art not enough.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a hot stamping die elasticity blank pressing structure, includes die, terrace die and base, die fixed mounting is in base top department, the lateral wall of die rotates and is connected with the pressure frame, the bottom fixedly connected with elastic gasket who presses the frame, the lateral wall fixedly connected with hydraulic stem of base, install pressure adjustment assembly on the drive end of hydraulic stem, die drawing assembly is installed to the bottom of pressing the frame, the bottom of terrace die corresponds blank pressing frame department and sets up flutedly.

Further, the pressure regulating assembly comprises a fixed cylinder and an extension plate, the fixed cylinder is fixedly mounted at the driving end of the hydraulic rod, the side wall of the fixed cylinder is rotatably connected with a pressurizing frame, the side wall of the pressurizing frame is fixedly connected with a limiting spring, and one end, far away from the pressurizing frame, of the limiting spring is fixedly mounted at the outer wall of the fixed cylinder.

Furthermore, extension board fixed connection is in the lateral wall of pressing the frame, spacing mouth has been seted up on the surface of extension board, the top fixedly connected with pressure sensor of extension board.

Furthermore, a sliding groove is formed in the fixed cylinder, a sliding plate is connected to the sliding groove in a sliding mode, a first magnetic block is connected to the surface of the sliding plate in an embedded mode, a sliding opening is formed in the surface of the fixed cylinder, a push rod is arranged inside the sliding opening, and the push rod is fixedly installed below the sliding plate.

Furthermore, a second magnetic block is fixedly connected to the side wall of the pressurizing frame, the second magnetic block and the first magnetic block are magnetically repulsive, and a magnetic insulating plate is fixedly connected to the side wall of the pressurizing frame.

Furthermore, the drawing die assembly comprises a containing opening, the containing opening is formed in the bottom of the pressing frame, a sucker is connected to the inner portion of the containing opening in a sliding mode, a supporting spring is fixedly connected to the top of the sucker, and one end, far away from the sucker, of the supporting spring is fixedly installed inside the containing opening.

Compared with the prior art, this hot stamping die elasticity blank pressing structure possesses following beneficial effect:

1. the utility model discloses a die, the hydraulic stem, the pressure frame, add the pressure frame and pressure sensor's cooperation design, when carrying out the blank pressing to the model, the edge of pressure frame aligns the die cavity edge of recess automatically, save operating time, the hydraulic stem drives and adds the pressure frame and supports the extension board, rotate the pulling force of hydraulic stem for the clamping-force of blank pressing frame to the model, and then stability when improving the model deep-drawing, simultaneously through pressure sensor real-time detection clamping-force, and control the hydraulic stem and adjust it and exert force, satisfy the requirement to blank pressing force change among the model stamping forming process, avoid the marginal problem of wrinkling and work piece drawing crack.

2. The utility model discloses a cooperation design of pressure frame, sucking disc and die, when the blank pressing frame carries out the blank pressing to the model, the model was lived in the sucking disc absorption, and when the blank pressing frame was opened in the rotation, the sucking disc drove the die cavity that the model breaks away from the die, makes things convenient for the quick model of taking of personnel, saves time.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the pressing frame structure of the present invention;

FIG. 3 is a schematic view of the structure of the pressure regulating assembly of the present invention;

FIG. 4 is a schematic view of the structure of the fixing cylinder of the present invention;

fig. 5 is a schematic view of the drawing module of the present invention.

In the figure: 1. a female die; 2. a male die; 3. a base; 4. pressing the frame; 5. a hydraulic rod; 6. a pressure regulating assembly; 601. a fixed cylinder; 602. a pressurizing frame; 603. a limiting spring; 604. an extension plate; 605. a limiting port; 606. a chute; 607. a slide plate; 608. a first magnetic block; 609. a sliding port; 610. a push rod; 611. a second magnetic block; 612. a magnetic insulation plate; 7. drawing the die assembly; 71. a receiving opening; 72. a suction cup; 73. a support spring; 8. a pressure sensor; 9. a groove; 10. an elastic washer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides a hot stamping die elasticity blank pressing structure, includes die 1, terrace die 2 and

base

3, 1 fixed mounting of die is in 3 top departments of base, the lateral wall of die 1 rotates and is connected with and presses frame 4, the bottom fixed connection elastic washer 10 of pressing frame 4, the lateral wall fixedly connected with hydraulic stem 5 of base 3, install pressure adjusting part 6 on the drive end of hydraulic stem 5, press the bottom of frame 4 to install drawing die subassembly 7, the bottom of terrace die 2 corresponds presses frame 4 department and has seted up recess 9, and recess 9 is used for holding and presses frame 4, through rotating press frame 4, makes things convenient for personnel to place or take off the model, and the automatic die cavity edge that will press frame 4 edge alignment recess 9 simultaneously saves operating time.

The pressure adjusting assembly 6 comprises a fixed cylinder 601 and an extension plate 604, the fixed cylinder 601 is fixedly installed at the driving end of the hydraulic rod 5, the side wall of the fixed cylinder 601 is rotatably connected with a pressurizing frame 602, the side wall of the pressurizing frame 602 is fixedly connected with a limit spring 603, one end of the limit spring 603 far away from the pressurizing frame 602 is fixedly installed at the outer wall of the fixed cylinder 601, and the pressurizing frame 602 is kept inclined by the elastic force of the limit spring 603.

The extension plate 604 is fixedly connected to the side wall of the edge pressing frame 4, a limiting opening 605 is formed in the surface of the extension plate 604, a pressure sensor 8 is fixedly connected to the top of the extension plate 604, the pressure sensor 8 is electrically connected with the hydraulic rod 5, when the mold is subjected to edge pressing, the edge pressing frame 4 rotates to be located above the mold, the hydraulic rod 5 drives the pressure adjusting assembly 6 to move upwards, the pressurization frame 602 penetrates through the limiting opening 605, then the hydraulic rod 5 moves downwards, the pressurization frame 602 abuts against the extension plate 604, the tension of the hydraulic rod 5 is rotated to be the clamping force of the edge pressing frame 4 on the mold, the stability of the mold during deep drawing is further improved, meanwhile, the clamping force is detected in real time through the pressure sensor 8, the hydraulic rod 5 is controlled to adjust the application force, the requirement of the edge pressing force change in the mold stamping forming process is met, and the problems of edge wrinkling and workpiece tension cracking are avoided.

A sliding groove 606 is formed in the fixed cylinder 601, a sliding plate 607 is slidably connected to the inside of the sliding groove 606, a first magnetic block 608 is embedded and connected to the surface of the sliding plate 607, a sliding opening 609 is formed in the surface of the fixed cylinder 601, a push rod 610 is arranged inside the sliding opening 609, and the push rod 610 is fixedly installed below the sliding plate 607.

The side wall of the pressurizing frame 602 is fixedly connected with a second magnetic block 611, the second magnetic block 611 and the first magnetic block 608 are magnetically repulsive, the side wall of the pressurizing frame 602 is fixedly connected with a magnetic insulation plate 612, the magnetic insulation plate 612 isolates the magnetic force of the two second magnetic blocks 611, when a model needs to be taken down, the hydraulic rod 5 runs upwards, the first magnetic block 608 slides out of the sliding groove 606 and the second magnetic blocks 611 to generate magnetic force by pushing the push rod 610 upwards, the pressurizing frame 602 is further pushed to rotate towards a position far away from the fixed cylinder 601, the pressurizing frame 602 automatically penetrates through the limiting opening 605 when the pressurizing frame 4 rotates, and therefore a person can conveniently and rapidly rotate to open the pressurizing frame 4.

Drawing die subassembly 7 is including taking in mouthful 71, take in mouthful 71 and set up in the bottom of pressing frame 4, the inside sliding connection of taking in mouthful 71 has sucking disc 72, the top fixedly connected with supporting spring 73 of sucking disc 72, the one end fixed mounting that sucking disc 72 was kept away from to supporting spring 73 is in the inside of taking in mouthful 71, and when blank pressing frame 4 carried out the blank pressing to the model, sucking disc 72 supported the model and made it adsorb the model through supporting spring 73's elastic force, and after pressing frame 4 was opened in the model shaping, sucking disc 72 can drive the model and break away from the die cavity of die 1, made things convenient for personnel to take the model.

The working principle is as follows: through rotating the press frame 4, a person can conveniently place or take down the model, and simultaneously, the edge of the press frame 4 is automatically aligned with the edge of the cavity of the groove 9, so that the operation time is saved, the rotary press frame 4 is positioned above the model, the hydraulic rod 5 drives the pressure adjusting assembly 6 to move upwards, the pressurizing frame 602 passes through the limiting port 605, then the hydraulic rod 5 moves downwards, the pressurizing frame 602 abuts against the extension plate 604, the tension of the hydraulic rod 5 is rotated into the clamping force of the press frame 4 on the model, so that the stability of the model during deep drawing is improved, meanwhile, the clamping force is detected in real time through the pressure sensor 8, and the hydraulic rod 5 is controlled to adjust the applied force, so that the requirement on the change of the press force in the process of stamping and forming the model is met, and the problems of edge wrinkling and workpiece tension cracking are avoided;

when the model needs to be taken down, the hydraulic rod 5 runs upwards, the first magnetic block 608 slides out of the sliding groove 606 and the second magnetic block 611 to generate magnetic force by pushing the push rod 610 upwards, so that the pressurizing frame 602 is pushed to rotate to a position far away from the fixed cylinder 601, the pressurizing frame 602 automatically passes through the limiting opening 605 when the pressure frame 4 rotates, and then a person can conveniently and quickly rotate to open the pressure frame 4;

when the pressing frame 4 carries out the blank pressing to the model, the sucking disc 72 supports the model and makes it adsorb the model through supporting spring 73's elastic force, and after the pressing frame 4 was opened in the model shaping, sucking disc 72 can drive the model and break away from the die cavity of die 1, makes things convenient for personnel to take the model, save time.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. 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 referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be a fixed connection, a removable connection, or an integral connection; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hot stamping die elasticity blank pressing structure, includes die (1), terrace die (2) and base (3), its characterized in that: die (1) fixed mounting is at the top of base (3), the lateral wall of die (1) rotates and is connected with pressure frame (4), the bottom fixed connection of pressing frame (4) has elastic packing ring (10), the lateral wall fixedly connected with hydraulic stem (5) of base (3), install pressure adjusting part (6) on the drive end of hydraulic stem (5), die drawing subassembly (7) are installed to the bottom of pressing frame (4), the bottom of terrace die (2) corresponds and presses frame (4) department and offers recess (9).

2. The hot stamping die elastic blank holder structure of claim 1, wherein: pressure regulation subassembly (6) are including solid fixed cylinder (601) and extension board (604), gu fixed cylinder (601) fixed mounting is served at the drive of hydraulic stem (5), the lateral wall of solid fixed cylinder (601) rotates and is connected with pressurization frame (602), the lateral wall fixedly connected with of pressurization frame (602) is spacing spring (603), the one end fixed mounting that pressurization frame (602) was kept away from in spacing spring (603) is in the outer wall department of solid fixed cylinder (601).

3. The hot stamping die elastic blank holder structure of claim 2, wherein: extend board (604) fixed connection in the lateral wall of pressing frame (4), spacing mouth (605) have been seted up on the surface of extending board (604), the top fixedly connected with pressure sensor (8) of extending board (604), pressure sensor (8) are connected with hydraulic stem (5) electricity.

4. The hot stamping die elastic blank holder structure of claim 2, wherein: spout (606) have been seted up to fixed cylinder (601) inside, the inside sliding connection of spout (606) has slide (607), the surface embedding of slide (607) is connected with first magnetic path (608), sliding port (609) have been seted up to the surface of fixed cylinder (601), sliding port's (609) inside is equipped with push rod (610), push rod (610) fixed mounting is at the lower extreme of slide (607).

5. The hot stamping die elastic blank holder structure of claim 2, wherein: the side wall of the pressurizing frame (602) is fixedly connected with a second magnetic block (611), the second magnetic block (611) and the first magnetic block (608) are in magnetic repulsion, and the side wall of the pressurizing frame (602) is fixedly connected with a magnetic insulating plate (612).

6. The hot stamping die elastic blank holder structure of claim 1, wherein: drawing die subassembly (7) are including accomodating mouthful (71), accomodate mouthful (71) and set up in the bottom of pressing frame (4), accomodate mouthful (71) inside sliding connection and have sucking disc (72), the top fixedly connected with supporting spring (73) of sucking disc (72), the one end fixed mounting that sucking disc (72) were kept away from in supporting spring (73) is in the inside of accomodating mouthful (71).