CN114505404A

CN114505404A - Front longitudinal beam bridge-spanning side punching mechanism

Info

Publication number: CN114505404A
Application number: CN202111677485.4A
Authority: CN
Inventors: 王孝勇; 肖翔; 张宇华; 钟华山
Original assignee: Wuhu Zhongrui Auto Parts Co ltd
Current assignee: Wuhu Zhongrui Auto Parts Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-17

Abstract

The invention relates to the field of automobile part molds, in particular to a front longitudinal beam bridge-spanning side punching mechanism which comprises an upper mold, a lower mold and a driving block, wherein the lower mold is used for placing a cavity, the driving block is used for realizing oblique side punching and comprises a driving frame capable of elastically punching, a transverse limiting assembly and a longitudinal limiting assembly, the transverse limiting assembly is arranged on the driving frame and is matched with the upper mold to limit the driving block to move in the X direction, the transverse limiting assembly and the longitudinal limiting assembly are arranged on the driving frame and are matched with the upper mold to limit the driving block to move in the X direction, and the transverse limiting assembly and the longitudinal limiting assembly are arranged along the front and back directions of the X direction of the driving block to limit a punching head.

Description

Front longitudinal beam bridge-spanning side punching mechanism

Technical Field

The invention relates to the field of automobile part dies, in particular to a front longitudinal beam bridge-spanning side punching mechanism.

Background

In the existing process of machining automobile parts, a punching die is often used for punching holes on the surface of the automobile parts, but when the inclined plane is punched, manual hand support or inclined placement and punching of workpieces are adopted, and the mode of hand support is very easy to clamp by the die to cause safety accidents under the condition that operators are tired in long-time operation, so that great potential safety hazards are brought to the operators; the workpiece is inclined to be punched again, so that the machining efficiency is influenced, burrs can be formed in the punched hole, and the strength is low, so that a structure for punching under the condition that the production efficiency is not influenced is urgently needed.

In the hardware stamping die for side punching of a bridging structure, as disclosed in chinese patent No. 201920836129.4, comprising an upper die plate and a lower die plate, wherein an upper die backing plate is installed on the upper die plate, punches are respectively installed on two sides of the lower end of the upper die backing plate, a support is installed in the middle of the upper die backing plate, a pressure plate is welded on the support, a die holder is installed on the lower die plate, fixing seats are installed on the die holder, positioning seats are installed on two sides of each fixing seat through bolts, hardware workpieces are sleeved on the positioning seats, a collecting hole is formed in the middle of each positioning seat, waste is continuously pushed out through a material pushing plate through a material punching mechanism, the problems that the waste stroke is uncontrollable, the waste blanking direction is poor in controllability, the inner wall of the collecting hole is resisted, the stroke of the punches is prevented from being unstable, and the problem that the punches are easily damaged are easily caused, the stability and the security of the work of the punch are guaranteed, but when the punch is processed, the punch is not limited, so that the processing precision is caused to be in a problem, and the processing efficiency is greatly influenced.

Disclosure of Invention

In order to solve the problems, the invention provides a front longitudinal beam bridge-spanning side punching mechanism.

The utility model provides a bridge side punching mechanism is striden to front longitudinal, includes the mould, is used for placing the lower mould of die cavity with last mould cooperation, including the drive block that is used for realizing that the slant side punches a hole, the drive block including the carriage that can elastically punch a hole, set up on the carriage and with last mould cooperation restriction drive block X direction removal horizontal spacing subassembly, set up on the carriage and with last mould cooperation restriction drive block fore-and-aft direction removal vertical spacing subassembly, last mould on be provided with the clamp plate that is used for fixed drive block.

The driving frame is in a shape of a cross bridge and is concave, a first limiting block convenient for installing a first limiting punch column and a first limiting hole is arranged on the driving frame.

The lower die is fixedly connected with a second limiting block which is arranged at the front upper end of the cavity and is convenient for punching of the punch, and the second limiting block is provided with a second limiting hole.

The first limiting hole and the second limiting hole are both inclined holes convenient for side punching.

The driving frame is provided with a plurality of groups of punch columns with nitrogen springs and punches arranged on the punch columns for lateral processing of inclined planes.

The transverse limiting assembly comprises a male guide plate fixedly connected with the lower die and a female guide plate fixedly connected with the driving frame and in sliding fit with the male guide plate.

The male guide plate is in a convex V-shaped shape, and the female guide plate is in a concave V-shaped shape.

The longitudinal limiting assembly comprises a fixed seat arranged on the side end face of the driving frame and a side guide plate which is connected with the lower die and is in sliding fit with the fixed seat.

The side guide plate is L-shaped.

The beneficial effects of the invention are: the transverse limiting assembly and the longitudinal limiting assembly are arranged along the front-back direction of the X direction of the driving block to limit the punch, so that the machining precision and the machining efficiency are improved during machining, and compared with machining of obliquely placing a workpiece, the punch does not have burrs, is smooth in surface and high in machining quality.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a first perspective view of a driving block according to the present invention;

FIG. 3 is a schematic perspective view of a second driving block according to the present invention;

FIG. 4 is a schematic perspective view of the present invention;

FIG. 5 is a schematic view of a partial enlarged perspective view I of FIG. 4 according to the present invention;

FIG. 6 is a perspective view of the driving frame of the present invention;

FIG. 7 is a schematic perspective view of a punch post and punch according to the present invention;

FIG. 8 is a schematic sectional perspective view A-A of FIG. 7 according to the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.

As shown in fig. 1 to 8, a front longitudinal girder strides bridge side punching mechanism, including last mould 2, with last mould 2 cooperation be used for placing the lower mould 3 of die cavity 4, including being used for realizing the drive block 1 that the slant side punched a hole, drive block 1 including can the elasticity punch a hole the drive bay 11, set up on drive bay 11 and with last mould 2 cooperation restriction drive block 1X direction remove horizontal spacing subassembly, set up on drive bay 11 and with last mould 2 cooperation restriction drive block 1 fore-and-aft direction remove vertical spacing subassembly, last mould 2 on be provided with the clamp plate 14 that is used for fixed drive block 1.

The cavity 4 is used for placing a workpiece front longitudinal beam and is designed by copying with the front longitudinal beam.

The punch 13 is limited by arranging the transverse limiting assembly and the longitudinal limiting assembly along the front and back directions of the X direction of the driving block 1, the processing precision and the processing efficiency are improved during processing, and compared with the processing of obliquely placing a workpiece, the processing device has the advantages of no burr, smooth surface and high processing quality.

The driving frame 11 is in a bridge-spanning type concave shape, the lower part of the driving frame is right opposite to the cavity 4, the driving frame stretches across the workpiece, two sides of the workpiece can be machined conveniently, and machining efficiency is improved.

The driving frame 11 is provided with a first limiting block 111 which is convenient for installing and limiting the punch column 12 and the punch 13, and the first limiting block 111 is provided with a first limiting hole 112.

And the lower die 3 is fixedly connected with a second limiting block 19 which is arranged at the right upper end of the cavity 4 and facilitates punching of the punch 13, and the second limiting block 19 is provided with a second limiting hole 191.

The first limiting hole 112 and the second limiting hole 191 are both inclined plane holes convenient for side punching.

The first limiting block 111 and the second limiting block 19 are not fixed in shape and can be square or special-shaped.

The driving frame 11 is provided with a plurality of groups of punch columns 12 with nitrogen springs and punches 13 arranged on the punch columns 12 for lateral processing of inclined surfaces.

The ram 12 is powered by a nitrogen spring.

The transverse limiting assembly comprises a male guide plate 17 fixedly connected with the lower die 3 and a female guide plate 16 fixedly connected with the driving frame 11 and in sliding fit with the male guide plate 17.

The male guide plate 17 is in a protruding V shape, the female guide plate 16 is in a recessed V shape, the male guide plate 17 and the female guide plate 16 are in concave-convex sliding fit, the X direction is limited, and the reverse side force can be enhanced.

The longitudinal limiting assembly comprises a fixed seat 18 arranged on the end face of the side of the driving frame 11 and a side guide plate 15 which is connected with the lower die 3 through a screw and is in sliding fit with the fixed seat 18.

The side guide plate 15 is L-shaped and is in sliding fit with the fixed seat 18 to limit the front and back directions.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bridge side blow hole mechanism is striden to front longitudinal, includes last mould (2), is used for placing lower mould (3) of die cavity (4) with last mould (2) cooperation, its characterized in that: including drive block (1) that is used for realizing the slant side and punches a hole, drive block (1) including can the elasticity punch a hole drive frame (11), set up on drive frame (11) and with last mould (2) cooperation restriction drive block (1) X direction remove horizontal spacing subassembly, set up on drive frame (11) and with last mould (2) cooperation restriction drive block (1) fore-and-aft direction remove vertical spacing subassembly, last mould (2) on be provided with clamp plate (14) that are used for fixed drive block (1).

2. The front longitudinal beam bridge-spanning side punching mechanism according to claim 1, wherein: the driving frame (11) is provided with a plurality of groups of punch columns (12) with nitrogen springs and punches (13) arranged on the punch columns (12) for lateral processing of inclined planes.

3. The front longitudinal beam bridge-spanning side punching mechanism according to claim 2, wherein: the driving frame (11) is in a bridge-spanning concave shape, a first limiting block (111) convenient for mounting a first limiting punch column (12) and a first limiting punch (13) is arranged on the driving frame (11), and a first limiting hole (112) is formed in the first limiting block (111).

4. The front longitudinal beam bridge-spanning side punching mechanism according to claim 3, wherein: the lower die (3) is fixedly connected with a second limiting block (19) which is arranged at the right upper end of the cavity (4) and facilitates punching of the punch (13), and a second limiting hole (191) is formed in the second limiting block (19).

5. The front longitudinal beam bridge-spanning side punching mechanism according to claim 4, wherein: the first limiting hole (112) and the second limiting hole (191) are both inclined holes convenient for side punching.

6. The front longitudinal beam bridge-spanning side punching mechanism according to claim 1, wherein: the transverse limiting assembly comprises a male guide plate (17) fixedly connected with the lower die (3) and a female guide plate (16) fixedly connected with the driving frame (11) and in sliding fit with the male guide plate (17).

7. The front longitudinal beam bridge-spanning side punching mechanism according to claim 6, wherein: the male guide plate (17) is in a protruding V shape, and the female guide plate (16) is in a recessed V shape.

8. The front longitudinal beam bridge-spanning side punching mechanism according to claim 1, wherein: the longitudinal limiting assembly comprises a fixed seat (18) arranged on the side end face of the driving frame (11) and a side guide plate (15) which is connected with the lower die (3) and is in sliding fit with the fixed seat (18).

9. The front longitudinal beam bridge-spanning side punching mechanism according to claim 8, wherein: the side guide plate (15) is L-shaped.