CN210907641U - Die-cut forming die structure of guide slot one-step method - Google Patents

Abstract

The utility model discloses a one-step punching and forming die structure with a guide groove, which comprises an upper die and a lower die, the upper die comprises an upper die base, and the upper die base is provided with a pressing plate, a forming punch and a die located at the bottom of the die. The punching punch beside the forming punch, the working end of the punching punch is lower than the working end of the punching punch, the lower die includes a lower die seat, and a lower module is arranged on the lower die seat, and the lower die seat is provided with a lower module. The lower module is provided with a lower knife block and an insert, a punching hole for the punching punch to pass through is arranged between the lower knife block and the insert, the insert is located under the forming punch, and the upper die seat A drive mechanism is arranged between the die base and the lower die base, and the drive mechanism provides a downward space for the insert during the process of punching the workpiece by the punching punch or after the punching punch completes the punching of the workpiece. The utility model can realize the punching and the forming of the boss in one station, thereby improving the production rhythm.

Description

A kind of guide groove one-step punching and forming die structure

technical field

The utility model relates to a mold in the research field of auto parts production, in particular to a one-step punching and forming mold structure for a guide groove.

Background technique

The guide grooves and guide rails are semi-finished products obtained by rolling and bending, and then the finished products are obtained by punching. Finally, the guide grooves are welded on the A-pillar, B-pillar and C-pillar. Protect and guide.

There is an assembly relationship between the guide groove and the guide rail after being installed on the car, which requires a very smooth connection and transition, otherwise the glass will be blocked during the lifting process.

The guide groove involves two features, the gap and the boss in the excessive position. The conventional mold is made into 1 mold and 2 stations. The guide groove is first placed in the first station in the mold, and then punched on the guide groove after the mold is closed. The gap is made, the mold is separated, and the guide groove is placed in the second station of the mold to form. After the mold is closed again, a boss is formed on the guide groove. Since two stations are required to form a guide groove, the production cycle time is low.

Utility model content

The purpose of the present utility model is to provide a one-step punching and forming die structure with a guide groove, which can complete punching and forming in one station and improve the production rhythm.

The solution to the technical problem of the utility model is as follows: a one-step punching and forming die structure with a guide groove, including an upper die and a lower die, the upper die includes an upper die seat, and the upper die seat is provided with a pressing material A plate, a forming punch and a punching punch located beside the forming punch, the working end of the punching punch is lower than the working end of the forming punch, the lower die includes a lower die seat, and the lower die seat is on the upper There is a lower module, the lower module is provided with a lower knife block and an insert, a punching hole for the punching punch to pass through is arranged between the lower knife block and the insert, and the insert is located in the forming punch Below, a drive mechanism is arranged between the upper die base and the lower die base. During the process of punching the workpiece by the punching punch or after the punching punch completes the punching of the workpiece, the driving mechanism provides a downward movement for the insert. space.

The above-mentioned die structure has at least the following beneficial effects: when the die is closed, the punching punch realizes punching on the workpiece, the process of punching the workpiece by the punching punch or after the punching punch completes the punching of the workpiece, the driving mechanism is: The insert provides a downward space, the forming punch drives the insert to go down, and the forming punch and the insert form a boss on the workpiece. Production beats.

As a further improvement of the above technical solution, the driving mechanism includes an upper die punching block arranged on the upper die base and a sliding assembly arranged on the lower die base, and the execution end of the sliding assembly extends below the insert. During the mold clamping process, after the punching block of the upper die is pressed into contact with the sliding component, the actuator end of the sliding component is driven to move, so as to make room for the downward movement of the insert.

As a further improvement of the above technical solution, the lower end surface of the insert is provided with a first plane close to the punching hole, a second plane far away from the punching hole, and a transition plane connecting the first plane and the second plane. The second plane Higher than the first plane, in the process of mold clamping, the upper mold block drives the execution end of the slider assembly to move away from the punching hole, and the contact point between the execution end of the slider assembly and the insert moves from the first plane to the first plane. Two planes. During the mold clamping process, the forming punch drives the insert to go down, and after the upper die is pressed into contact with the sliding component, the execution end of the sliding component moves to the second plane along the first plane and the transition plane to make way for the insert to go down. space. The forming punch and insert form the workpiece in the process of making way for the down space.

As a further improvement of the above technical solution, the sliding component includes a fixed block, a sliding block and a sliding block mounted on the sliding block, the sliding block is the execution end of the sliding component, the fixed block and the sliding block There is an elastic reset piece between them, the upper part of the slider is provided with a first driving surface, and the upper die punching block is provided with a second driving surface. After the mold is opened, the elastic reset element drives the sliding block and the sliding block to reset. During the reset process, the sliding block moves to the first plane along the second plane and the transition plane, and the insert is reset upward.

As a further improvement of the above technical solution, a limiting component is provided between the punching punch and the blanking plate, and the limiting component includes a first limiting portion arranged on the side of the punching punch and a first limiting portion arranged on the blanking plate. The second limiting portion in the first limiting portion is located above the second limiting portion. The first limit portion and the second limit portion prevent the punching punch from descending beyond the stroke during the mold clamping process.

As a further improvement of the above technical solution, an insert spring is provided between the insert and the lower die base. When the mold is closed, the insert goes down and the insert spring is compressed. During the reset process, the block of the slider moves to the first plane along the second plane and the transition plane, and the insert spring drives the insert to reset upward.

As a further improvement of the above technical solution, the lower module is provided with a mounting hole for the insert to be installed, the inner wall of the mounting hole is provided with a limit cavity, and the insert is provided with a limit that can move up and down in the limit cavity piece. The height of the limit cavity is the upward and downward travel of the insert.

As a further improvement of the above technical solution, the upper end surface of the insert is provided with a forming surface, and the side surface of the insert close to the lower cutter block is provided with a knife edge surface. A punching hole is formed between the knife edge surface and the lower knife block.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly describes the accompanying drawings that are used in the description of the embodiments. Obviously, the described drawings are only a part of the embodiments of the present invention, but not all of the embodiments, and those skilled in the art can also obtain other design solutions and drawings according to these drawings without creative work.

Fig. 1 is the structural representation of the embodiment of the present utility model when the mold is opened;

Fig. 2 is the structural schematic diagram of the embodiment of the present utility model when the material pressing plate is pressed;

Fig. 3 is the structural schematic diagram of the embodiment of the present utility model when punching;

4 is a schematic structural diagram of the slider in the embodiment of the present invention when the block and the insert are disengaged;

Fig. 5 is the structural schematic diagram of the embodiment of the present utility model when forming the boss;

6 is a schematic structural diagram of a lower module in an embodiment of the present invention;

Fig. 7 is the structural representation of the insert in the embodiment of the present utility model;

8 is a schematic structural diagram of a slider assembly in an embodiment of the present invention.

Detailed ways

This part will describe the specific embodiments of the present invention in detail, and the preferred embodiments of the present invention are shown in the accompanying drawings. Understand each technical feature and overall technical solution of the present invention, but it should not be construed as a limitation on the protection scope of the present invention.

In the description of the present utility model, it should be understood that the orientation descriptions related to orientations, such as up, down, front, rear, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution .

Referring to FIGS. 1 to 8 , a one-step punching and forming die structure with a guide groove includes an upper die and a lower die. The upper die includes an upper die base 10, and the upper die base 10 is provided with a pressing plate 13, The forming punch 14 and the punching punch 15 located beside the forming punch 14, the working end of the punching punch 15 is lower than the working end of the forming punch 14, the lower die includes a lower die seat 20, the The lower die base 20 is provided with a lower module 21, the lower module 21 is provided with a lower knife block 22 and an insert 24, and between the lower knife block 22 and the insert 24 there is a hole for the punching punch 15 to pass through. Punching hole 23, the insert 24 is located under the forming punch 14, a drive mechanism is provided between the upper die base 10 and the lower die base 20, the punching punch 15 punches the workpiece or punches holes After the punch 15 completes the punching of the workpiece, the driving mechanism provides a downward space for the insert 24 . The working end of the punching punch 15 and the working end of the forming punch 14 pass through the mounting hole of the blanking plate 13 .

The forming punch 14, the punching punch 15 and the pressing plate 13 are installed on the upper die base 10 through the fixing plate 11, a spring is arranged between the forming punch 14 and the fixing plate 11, and the punching punch 15 and the fixing plate 11 are connected. A spring is arranged between, and a spring is arranged between the pressing plate 13 and the fixing plate 11 .

A guide block and a guide groove are installed on the lower die base 20, and the guide groove communicates with the guide cavity in the lower die block 21 to facilitate the operator to place the workpiece in place.

Positioning components are provided in the lower module 21 near the inserts 24 . The positioning assembly positions the workpiece.

When the mold is closed, the punching punch 15 realizes punching on the workpiece, and the driving mechanism provides a downward space for the insert 24 during the process of punching the workpiece by the punching punch 15 or after the punching punch 15 punches the workpiece. , the forming punch 14 drives the insert 24 downward, and the forming punch 14 and the insert 24 form a boss on the workpiece. Compared with the prior art, the punching and the boss can be formed in one station, which improves production beat.

The driving mechanism includes an upper die punching block 12 disposed on the upper die base 10 and a sliding assembly disposed on the lower die base 20 , and the execution end of the sliding assembly extends below the insert 24 . During the mold clamping process, after the punching block 12 of the upper mold is pressed into contact with the sliding component, the actuator end of the sliding component is driven to move, so as to make room for the insert 24 to descend.

The lower end surface of the insert 24 is provided with a first plane 25 close to the punching hole 23, a second plane 28 far away from the punching hole 23, and a transition plane 27 connecting the first plane 25 and the second plane 28. The second plane 28 is higher than the first plane 25. During the mold clamping process, the upper die punching block 12 drives the execution end of the slider assembly to move in the direction away from the punching hole 23, and the contact point between the execution end of the slider assembly and the insert 24 starts from the first A plane 25 moves to a second plane 28 . During the clamping process, the forming punch 14 drives the insert 24 to descend, and after the upper die punching block 12 is pressed into contact with the sliding component, the execution end of the sliding component moves along the first plane 25 and the transition plane 27 to the second plane 28, Make room for the insert 24 to go down. The forming punch 14 and the insert 24 form the workpiece in the process of making way for the descending space.

The sliding assembly includes a fixed block 31, a sliding block 30 and a sliding block 29 mounted on the sliding block 30. The sliding block 29 is the execution end of the sliding assembly. An elastic reset member 32 is provided between, a first driving surface 33 is provided on the upper part of the sliding block 30 , and a second driving surface 34 is provided on the upper die punching block 12 . The first driving surface is a flat surface, and the second driving surface 34 may be a flat surface or an arc surface. After the mold is opened, the elastic reset member 32 drives the sliding block 30 and the sliding block 29 to reset. During the reset process, the sliding block 29 moves to the first plane 25 along the second plane 28 and the transition plane 27, and the insert 24 is reset upward. The elastic restoring member 32 includes a restoring spring and a restoring guide rod. The reset guide rod passes through the fixed block 31 and the slider 30 , and the reset spring is sleeved on the outer surface of the reset guide rod. The slider 30 is positioned and guided along the horizontal movement through the guide block, the guide key and the bottom plate.

There is a slider plane 26 matching the transition plane 27 between the upper end face and the front side of the slider block 29. The slider plane 26 is convenient for the slider block 29 to drive the insert 24 upward and reset, and it is also convenient for the slider to hit. When the block 29 moves to the left, the insert 24 goes down smoothly.

A limit assembly is provided between the punching punch 15 and the blanking plate 13 , and the limiting assembly includes a first limiting portion 16 arranged on the side of the punching punch 15 and a second limiting portion arranged in the blanking plate 13 . Two limiting portions 17 , the first limiting portion 16 is located above the second limiting portion 17 . The first limiting portion 16 and the second limiting portion 17 prevent the punching punch 15 from descending beyond the stroke during the mold clamping process.

An insert spring 38 is provided between the insert 24 and the lower die base 20 . When the mold is closed, the insert 24 descends and the insert spring 38 is compressed. During the reset process, the slider block 29 moves to the first plane 25 along the second plane 28 and the transition plane 27, and the insert spring 38 drives the insert 24 to reset upward.

The lower module 21 is provided with an installation hole for the insert 24 to be installed, the inner wall of the installation hole is provided with a limit cavity, and the insert 24 is provided with a limit block 37 that can move up and down in the limit cavity. The height of the limiting cavity is the upward and downward travel of the insert 24 .

The upper end surface of the insert 24 is provided with a molding surface 35 , and the molding surface 35 is matched with the molding punch 14 . A knife edge surface 36 is provided on the side of the insert 24 close to the lower knife block 22 . A punching hole 23 is formed between the knife edge surface 36 and the lower knife block 22 .

The following is the preferred working process of the present utility model:

1. Install the upper die and the lower die on the punch, guide the workpiece through the guide block and guide groove, and position the positioning component in place;

2. Start the punching machine, drive the upper die to move downward, the upper die punching block 12 goes down, when the upper die moves downward by 25mm, the pressing plate 13 just touches the workpiece and starts to press the material, and the pressing plate 13 will remain stationary;

3. The upper die continues downward and the spring begins to compress. When the punching punch 15 moves downward for 6mm, the punching is completed. If the punching punch 15 continues to move downward, it will no longer work. The slider 30 comes into contact;

4. The upper die continues to move downward, the upper die punches 12, the forming punch 14 and the punching punch 15 continue to move downward, and the spring continues to compress. When the upper die moves downward for another 4.5mm, the upper die punches 12. The slider 30 is driven to move 4.5mm to the left, the elastic reset piece is compressed by 4.5mm, the slider 29 moves to the left with the slider 30 by 4.5mm, the slider 29 supports the insert 24, and the slider 29 and the insert 24 are in a de-critical state;

5. The upper die continues to move downward by 2mm, the upper die block 12 drives the slider 30 and the slider block 29 to move 2mm to the left, and the slider block 29 and the insert 24 are separated by 2mm. Each insert spring 38 rises, the insert 24 does not move directly downward, and at the same time, the forming punch 14 moves downward by 2mm, the forming punch 14 just contacts the product surface, and the forming content begins;

6. When the upper die continues to move downward by 0.5mm, the upper die punching block 12 contacts the side of the slider 30, and the upper die punching block 12 will not drive the slider 30 if it continues to move downward. The mechanism remains unchanged, and the forming punch 14 moves downward, and the mold starts to perform the forming process. When the movement reaches 2.5mm, the mold moves to the end and the forming ends;

7. When the punch starts to move upward, the mold starts to move in the reverse direction. The stroke of the upper mold is 40mm in total, and the mold moves to the initial position.

The above is a specific description of the preferred embodiments of the present invention, but the invention of the present invention is not limited to the embodiments. Those skilled in the art can also make various equivalents without departing from the spirit of the present invention. Modifications or substitutions, these equivalent modifications or substitutions are all included within the scope defined by the claims of the present application.

Claims (8)

1. The utility model provides a die-cut forming die structure of guide slot one-step method, includes mould and lower mould, its characterized in that: the upper die comprises an upper die base, the upper die base is provided with a pressure plate, a forming male die and a punching punch located beside the forming male die, the working end of the punching punch is lower than that of the forming male die, the lower die comprises a lower die base, a lower module is arranged on the lower die base, the lower module is provided with a lower cutter block and an insert, a punching hole for the punching punch to pass through is formed between the lower cutter block and the insert, the insert is located below the forming male die, a driving mechanism is arranged between the upper die base and the lower die base, and after the punching punch punches a hole in a workpiece or completes punching of the workpiece, the driving mechanism provides a downward space for the insert.

2. The structure of the one-step punching and forming die with the guide groove according to claim 1, wherein: the driving mechanism comprises an upper die beating block arranged on the upper die base and a sliding assembly arranged on the lower die base, and the execution end of the sliding assembly extends to the lower part of the insert.

3. The structure of the one-step punching and forming die with the guide groove as defined in claim 2, wherein: the lower end face of the insert is provided with a first plane close to the punching hole, a second plane far away from the punching hole and a transition plane connecting the first plane and the second plane, the second plane is higher than the first plane, in the process of die assembly, the forming male die drives the insert to move downwards, the upper die punching block drives the execution end of the sliding block assembly to move in the direction far away from the punching hole, and the contact point of the execution end of the sliding block assembly and the insert moves to the second plane from the first plane.

4. The guide slot one-step punching forming die structure of claim 2 or 3, wherein: the sliding assembly comprises a fixed block, a sliding block and a sliding block driving block arranged on the sliding block, the sliding block driving block is an execution end of the sliding assembly, an elastic reset piece is arranged between the fixed block and the sliding block, a first driving surface is arranged on the upper portion of the sliding block, and a second driving surface is arranged on the upper die driving block.

5. A guide slot one-step punching forming die structure according to claim 1, 2 or 3, wherein: be equipped with spacing subassembly between punching punch and the pressure flitch, spacing subassembly is including setting up the first spacing portion in punching punch side and the spacing portion of second of setting in the pressure flitch, first spacing portion is located the spacing portion top of second.

6. The structure of the one-step punching and forming die with the guide groove according to claim 1, wherein: and an insert spring is arranged between the insert and the lower die seat.

7. The guide slot one-step punching forming die structure of claim 1 or 6, wherein: the lower module is provided with a mounting hole for mounting the insert, the inner wall of the mounting hole is provided with a limiting cavity, and the insert is provided with a limiting block capable of moving up and down in the limiting cavity.

8. The guide slot one-step punching forming die structure of claim 1 or 6, wherein: the upper end surface of the insert is provided with a molding surface, and the side surface of the insert, which is close to the lower knife block, is provided with a knife edge surface.

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