CN219292519U

CN219292519U - Hinge processing die

Info

Publication number: CN219292519U
Application number: CN202222557588.3U
Authority: CN
Inventors: 陈嘉良; 徐云仙; 谭凤; 陈志斌
Original assignee: Foshan Gaoming Wanshida Furniture Accessories Co ltd
Current assignee: Foshan Gaoming Wanshida Furniture Accessories Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-07-04
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a hinge processing die which comprises a lower die set and an upper die set, wherein the lower die set is positioned below the upper die set, the lower die set comprises a first base, a lower punching block and a reinforcing rib, the lower punching block is horizontally arranged on the first base and fixedly connected with the first base, the reinforcing rib is arranged around the edge of the lower punching block and fixedly connected with the lower punching block and the upper surface of the first base, the hinge processing die can strengthen the mechanical strength of the die for producing a hinge, enhance the durability of the die, reduce the phenomenon of deformation of the die when the die is used for a long time, ensure that the die can be used for a long time on the premise of keeping the precision, and improve the yield of products.

Description

Hinge processing die

Technical Field

The utility model relates to the technical field of hinge accessory production and processing, in particular to a hinge processing die.

Background

Hinges are common mechanical parts used to connect two objects and allow relative rotation between the two objects, and through the hinges, the rotational connection of the two objects can be achieved. In the prior art, the production and processing of the hinge adopts a press to drive an upper die set to be matched with a lower die set to punch and shape a strip-shaped steel plate, the upper die and the lower die of the production hinge are easy to deform after long-term use due to high strength and frequent punching force, and the deformed dies greatly influence the production precision of the hinge and even greatly reduce the yield of products.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of Invention

In view of the shortcomings of the prior art, the utility model aims to provide a hinge processing die which can strengthen the mechanical strength of a die for producing a hinge, enhance the durability of the die, reduce the deformation phenomenon of the die when the die is used for a long time, ensure the long-time use of the die on the premise of keeping the precision and improve the yield of products.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the technical scheme of this application provides a hinge mold processing, and it includes lower module and last module, the lower module is located the below of last module, the lower module includes first base, lower punching press piece and strengthening rib, lower punching press piece level set up the top of first base and with first base fixed connection, the strengthening rib centers on the border setting of lower punching press piece and with lower punching press piece with the upper surface fixed connection of first base.

In the hinge processing mould, the strengthening rib is the reinforcing bar, the reinforcing bar is around the border bending molding of lower punch piece, the head and the tail end of reinforcing bar pass through welded mode with the border fixed connection of lower punch piece.

In the hinge processing die, a plurality of cutter heads are arranged on the upper surface of the lower punching block, and the cutter heads are used for punching or slotting the strip-shaped steel plate.

In the hinge processing mould, the upper surface of lower punch block still is provided with a plurality of locating holes, the locating hole is two rows of symmetric distributions along bar steel sheet feed direction, be provided with telescopic reference column in the locating hole.

In the hinge processing mold, the first base comprises a plurality of first fixing screw holes used for being fixed with the punching machine table.

In the hinge processing mould, the upper mould group comprises a second base, a plurality of backing plates and an upper punching block which are sequentially and fixedly connected from top to bottom, and a plurality of discharging holes matched with the setting positions of the tool bit are formed in the bottom of the upper punching block.

In the hinge processing die, a side block fixedly connected with the side of the base plate is arranged on the side of the upper die set, and the side block is used for reducing the position offset of the upper stamping block in the transverse direction.

In the hinge processing mold, the second base comprises a plurality of second fixing screw holes for fixing the second base with the punching machine table.

In the hinge processing die, the upper surface of the lower punching block is also provided with a plurality of calibration holes for calibrating the lower die set and the upper die set, and the lower surface of the upper die set is provided with a calibration column for aligning with the calibration holes.

In the hinge processing die, the calibration holes are arranged at the edge positions of the two long sides of the lower punching block and are symmetrically distributed in two rows along the feeding direction of the strip-shaped steel plate.

The beneficial effects are that:

the utility model provides a hinge processing die which comprises a lower die set and an upper die set, wherein the lower die set is positioned below the upper die set, the lower die set comprises a first base, a lower punching block and a reinforcing rib, the lower punching block is arranged above the first base and is fixedly connected with the first base, the reinforcing rib is arranged around the lower punching block and is fixedly connected with the lower punching block, when the upper die set is driven by a press machine to punch a steel plate placed on the lower die set downwards, larger impact force is caused on the lower die set, the lower die set is deformed due to long-term punching, the processing precision is influenced, the reinforcing rib surrounds the lower punching block, the mechanical strength of the lower die set can be enhanced, the punching force of the lower die set when the upper die set is impacted downwards is greatly reduced, the durability of the die is enhanced, the phenomenon that the die is deformed when being used for a long time is reduced, and the yield of products can be improved on the premise that the die set can keep the precision.

Drawings

FIG. 1 is a perspective view of a hinge processing mold provided by the utility model;

fig. 2 is a perspective view of a lower die set in the hinge processing die provided by the utility model;

FIG. 3 is a perspective view of an upper die set in the hinge processing die provided by the utility model;

fig. 4 is a schematic diagram of the positional relationship between a strip steel plate and a positioning column in the hinge processing mold provided by the utility model.

Description of main reference numerals: the device comprises a 1-lower die set, a 2-upper die set, a 3-first base, a 4-lower punching block, a 5-reinforcing rib, a 6-tool bit, a 7-strip steel plate, an 8-positioning hole, a 9-positioning column, a 10-first fixing screw hole, an 11-second base, a 12-backing plate, a 13-upper punching block, a 14-discharging hole, a 15-side position block, a 16-second fixing screw hole, a 17-calibration hole and an 18-calibration column.

Detailed Description

The utility model provides a hinge processing die, which is used for making the purposes, technical schemes and effects of the utility model clearer and more definite, and further detailed description of the utility model is provided below with reference to the accompanying drawings and examples.

In the description of the present utility model, it should be understood that the azimuth or positional relationship indicated by the terms "upper, lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present utility model and for simplification of description, and are not to be construed as limiting the present utility model; furthermore, the terms "mounted," "connected," and the like, are to be construed broadly and, as appropriate, the specific meaning of the terms in the present utility model will be understood by those of ordinary skill in the art.

Referring to fig. 1, 2, 3 and 4, it can be appreciated that the present utility model provides a hinge processing mold, which includes a lower mold set 1 and an upper mold set 2, wherein the lower mold set 1 is located below the upper mold set 2, the lower mold set 1 includes a first base 3, a lower punching block 4 and a reinforcing rib 5, the lower punching block 4 is horizontally disposed on the first base 3 and fixedly connected with the first base 3, and the reinforcing rib 5 is disposed around an edge of the lower punching block 4 and fixedly connected with the upper surfaces of the lower punching block 4 and the first base 3.

It should be noted that, the pressing machine drives the upper module 2 to perform the reciprocating lifting motion, which belongs to a conventional technical means in the art, and will not be described herein.

In the operation process, the strip steel plate 7 enters the upper surface of the lower punching block 4 from a discharge hole of the press, the upper die set 2 is driven by the press to punch the lower die set 1, and the lower die set 1 is frequently extruded by longitudinal force, so that the reinforcing ribs 5 are arranged around the periphery of the lower punching block 4, and the mechanical strength and the shock resistance of the lower die set 1 can be enhanced. When the upper die set 2 punches the lower die set 1, the lower punch block 4 has a tendency to expand outwards in the transverse direction, and the reinforcing ribs 5 can block the stress of the lower punch block 4 in the transverse direction due to the reinforcing ribs 5, so that the deformation of the lower punch block 4 in the transverse direction is reduced.

Further, the reinforcing ribs 5 are reinforcing bars, the reinforcing bars are formed by bending around the edges of the lower punching blocks 4, and the head ends of the reinforcing bars are fixedly connected with the edges of the lower punching blocks 4 in a welding mode. In one embodiment, the reinforcing ribs 5 may be further divided into four sections, and each section of the reinforcing ribs 5 is fixedly connected to a side edge of the lower stamping block 4.

Further, a plurality of cutter heads 6 are arranged on the upper surface of the lower punching block 4, and the cutter heads 6 are used for punching or grooving the strip-shaped steel plate 7. The cutter head 6 can be adjusted according to different positions of actual punching, slotting or cutting, the press regularly pushes the strip steel plate 7 to the hinge processing die, the cutter head 6 arranged on the upper surface of the lower punching block 4 sequentially extrudes the strip steel plate 7, and punching or slotting operation is carried out on the strip steel plate 7.

Further, a plurality of positioning holes 8 are further formed in the upper surface of the lower punching block 4, the positioning holes 8 are symmetrically distributed in two rows along the feeding direction of the strip-shaped steel plate 7, and telescopic positioning columns 9 are arranged in the positioning holes 8. The middle part of reference column 9 is provided with the opening that is used for the embedding two long limits of bar steel sheet 7, two long limits card of bar steel sheet 7 are established on the opening at reference column 9 middle part and along with the drive of press is moved forward, the bottom fixedly connected with spring of reference column 9, the bottom of spring with first base 3 fixed connection, works as go up module 2 down the punching press, reference column 9 draws bar steel sheet 7 down and takes place the displacement and with setting up a plurality of tool bit 6 contact with press forming of lower punch block 4 upper surface.

Further, the first base 3 includes a plurality of first fixing screw holes 10 for fixing with the press table. The first fixing screw hole 10 is used for installing a fastening screw, so that the lower module 1 is fixedly connected with the punching machine table.

Further, the upper module 2 includes a second base 11, a plurality of backing plates 12 and an upper punching block 13 which are fixedly connected in sequence from top to bottom, and a plurality of discharging holes 14 which are matched with the arrangement positions of the cutter head 6 are formed in the bottom of the upper punching block 13. The second base 11 is fixedly connected with the press, and when the upper punching block 13 contacts with the lower punching block 4 and presses the strip steel plate 7, scraps generated by the strip steel plate 7 enter the discharge hole 14. The chipped chips are extruded into the discharge hole 14, and the chips naturally fall off after the upper die set 2 leaves the lower die set 1.

Further, a side block 15 fixedly connected to the side of the pad 12 is disposed on the side of the upper module 2, and the side block 15 is used for reducing the positional deviation of the upper punch block 13 in the lateral direction. In the process of frequently stamping the first module 1 by the upper module 2, displacement tends to occur in the transverse direction, the lateral side blocks 15 can reduce the phenomenon of transverse displacement, and meanwhile, the lateral side blocks 15 can facilitate the installation of the base plate 12 and the upper stamping block 13, so that multiple blocks of the base plate 12 and the upper stamping block 13 are easily aligned.

Further, the second base 11 includes a plurality of second fixing screw holes 16 for fixing with the press table. The second fixing screw hole 16 is used for installing a fastening screw, so that the upper module 2 and the punching machine table are fixedly connected.

Further, the upper surface of the lower punch block 4 is further provided with a plurality of calibration holes 17 for calibrating the lower die set 1 and the upper die set 2, and the lower surface of the upper die set 2 is provided with calibration posts 18 for aligning with the calibration holes 17. When the upper die set 2 presses down the strip-shaped steel plate 7, the calibration holes 17 and the calibration columns 18 are arranged oppositely, so that the position of the strip-shaped steel plate 7 is ensured to be accurate.

Further, the alignment holes 17 are disposed at the edge positions of the two long sides of the lower punch block 4 and are symmetrically distributed in two rows along the feeding direction of the strip steel plate. The alignment holes 17 are arranged at positions which cannot prevent the strip steel plate 7 from moving forward, and at the same time, the alignment holes 17 are arranged at the edge positions of the two long sides of the lower punch block 4 and are symmetrically distributed in two rows along the strip steel plate direction, so that the alignment positions can be aligned to the maximum extent, when the lower die set 1 and the upper die set 2 are not aligned completely in the longitudinal direction, the alignment posts 18 will be in contact with the upper surface of the lower punch block 4, so that the punching operation on the strip steel plate 7 cannot be realized, and the alignment holes 17 and the alignment posts 18 ensure that the lower die set 1 and the upper die set 2 are aligned completely in the longitudinal direction.

It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.

Claims

1. The hinge processing die is characterized by comprising a lower die set and an upper die set, wherein the lower die set is located below the upper die set, the lower die set comprises a first base, a lower punching block and a reinforcing rib, the lower punching block is horizontally arranged above the first base and fixedly connected with the first base, and the reinforcing rib surrounds the edge of the lower punching block and is fixedly connected with the upper surface of the lower punching block and the upper surface of the first base.

2. The hinge processing mold according to claim 1, wherein the reinforcing rib is a reinforcing bar, the reinforcing bar is formed around the edge of the lower punch block in a bending manner, and the head end of the reinforcing bar is fixedly connected with the edge of the lower punch block in a welding manner.

3. The hinge processing mold according to claim 1, wherein the upper surface of the lower punch block is provided with a plurality of cutter heads for punching or grooving the strip-shaped steel plate.

4. The hinge processing mold according to claim 1, wherein the upper surface of the lower punch block is further provided with a plurality of positioning holes, the positioning holes are symmetrically distributed in two rows along the feeding direction of the strip steel plate, and telescopic positioning columns are arranged in the positioning holes.

5. The hinge processing die of claim 1, wherein the first base includes a plurality of first fixing screw holes for fixing with the punch table.

6. The hinge processing mold according to claim 3, wherein the upper die set comprises a second base, a plurality of backing plates and an upper punching block which are fixedly connected in sequence from top to bottom, and a plurality of discharging holes which are matched with the arrangement positions of the cutter heads are formed in the bottom of the upper punching block.

7. The hinge processing mold according to claim 6, wherein a side of the upper die set is provided with a side piece fixedly connected to a side of the backing plate, the side piece being for reducing a positional shift of the upper punch piece in a lateral direction.

8. The hinge processing die of claim 6, wherein the second base includes a plurality of second fixing screw holes for fixing with the punch table.

9. The hinge processing mold according to claim 1, wherein the upper surface of the lower punch block is further provided with a plurality of alignment holes for aligning the lower die set and the upper die set, and the lower surface of the upper die set is provided with alignment posts for aligning with the alignment holes.

10. The hinge processing mold according to claim 9, wherein the alignment holes are provided at edge positions of both long sides of the lower punch block and are symmetrically distributed in two rows along a feeding direction of the strip steel plate.