CN111702078A

CN111702078A - Stamping die

Info

Publication number: CN111702078A
Application number: CN202010452868.0A
Authority: CN
Inventors: 林刘
Original assignee: Nanjing Pukou Pucheng Asset Management Co ltd
Current assignee: Nanjing Pukou Pucheng Asset Management Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-09-25

Abstract

The invention discloses a stamping die which comprises a box body, wherein a connecting plate is arranged at the top of the inner wall of the box body, first movable blocks are fixedly connected to the bottom of the connecting plate and two sides of the connecting plate, which are positioned at a middle shaft, movable rods are movably connected to the bottoms of the first movable blocks, and second movable blocks are movably connected to the bottoms of the movable rods. When the lower die is punched, the upper die can drive the lower die to move, so that the connecting plate moves, the connecting plate drives the first movable block to move, the first movable block drives the movable rod to move, the movable rod drives the second movable block to move, the second movable block drives the first spring to deform, the second movable block can also drive the toothed plate to move, the toothed plate drives the gear to rotate, the gear drives the rotating shaft to rotate, the rotating shaft drives the winding wheel to rotate, the connecting rope is wound, the connecting rope drives the second spring to deform, and the lower die is buffered.

Description

Stamping die

Technical Field

The invention relates to the technical field of stamping dies, in particular to a stamping die.

Background

The stamping die is a special process device for processing metal or nonmetal into parts in cold stamping, and is called as a cold stamping die, wherein stamping is a pressure processing method for obtaining required parts by applying pressure to the materials by utilizing a die arranged on a press machine at room temperature to enable the materials to generate separation or plastic deformation.

Disclosure of Invention

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a stamping die to solve the problems set forth in the background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a stamping die comprises a box body, wherein a connecting plate is arranged at the top of the inner wall of the box body, first movable blocks are fixedly connected to the bottom of the connecting plate and positioned on two sides of a center shaft, movable rods are movably connected to the bottom of the first movable blocks, second movable blocks are movably connected to the bottom of the movable rods, first springs are fixedly connected to the outer sides of the second movable blocks, the outer sides of the first springs are fixedly connected with the box body, toothed plates are fixedly connected to the inner sides of the second movable blocks, gears are meshed to the tops of the toothed plates, rotating shafts are sleeved in inner cavities of the gears, winding wheels are sleeved on the surfaces of the rotating shafts and positioned on the inner sides of the gears, connecting ropes are fixedly connected to the surfaces of the winding wheels, second springs are fixedly connected to one sides, far away from the winding wheels, of the connecting ropes are fixedly connected to the outer sides of the second springs and fixedly connected to the box body, third springs are fixedly connected to two, the bottom fixedly connected with fixed block of third spring, the outside and the box fixed connection of fixed block.

Preferably, a lower die is fixedly connected to a middle shaft at the top of the connecting plate, the top of the lower die penetrates through the box body and extends to the top of the box body, a damping sleeve is sleeved on the surface of the lower die, the top of the damping sleeve is fixedly connected with the box body, fixing plates are fixedly connected to two sides of the top of the box body, a transverse plate is fixedly connected to the top of each fixing plate, a hydraulic cylinder is fixedly connected to the middle shaft at the bottom of the transverse plate, and an upper die is fixedly connected to the bottom of the hydraulic cylinder.

Preferably, the inner chamber cover of third spring is equipped with the slide bar, the bottom and the fixed block fixed connection of slide bar, the top of slide bar runs through the connecting plate and extends to the top of connecting plate, the top and the box fixed connection of slide bar, the surface and the connecting plate sliding connection of slide bar.

Preferably, the sliding grooves are formed in the two sides of the bottom of the box body, the sliding blocks are connected to the inner cavities of the sliding grooves in a sliding mode, and the tops of the sliding blocks are fixedly connected with the second movable blocks.

Preferably, the four corners of the bottom of the box body are fixedly connected with supporting legs, and the bottoms of the supporting legs are fixedly connected with non-slip mats.

(III) advantageous effects

Compared with the prior art, the invention provides a stamping die, which has the following beneficial effects:

1. the invention drives the upper die to move through the hydraulic cylinder, and then punches a workpiece through the matching of the lower die, during punching, the upper die drives the lower die to move, so that the connecting plate moves, the connecting plate drives the first movable block to move, the first movable block drives the movable rod to move, the movable rod drives the second movable block to move, the second movable block drives the first spring to deform, the second movable block also drives the toothed plate to move, the toothed plate drives the gear to rotate, the gear drives the rotating shaft to rotate, the rotating shaft drives the winding wheel to rotate, and the connecting rope is wound, so that the connecting rope drives the second spring to deform, the third spring also deforms through the movement of the connecting plate, thereby the buffer effect on the lower die is achieved, the problems that the existing punching die does not have the buffer function during working and the impact force is large are solved, easily causing the problem of damage to the mold.

2. The sliding rod is arranged, so that the work of the connecting plate is stabilized, the connecting plate is supported in a balanced mode, the instability of the connecting plate in work is avoided, the work of the second movable block is stabilized through the sliding groove and the sliding block, the second movable block is supported in a balanced mode, the second movable block cannot work, the friction force between the bottom of the supporting leg and a contact object is increased through the non-slip mat, and therefore the stability in stamping is achieved.

Drawings

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

FIG. 2 is a schematic sectional view of the case according to the present invention;

FIG. 3 is a schematic view of a partial top view of the box of the present invention in a cross-sectional view.

In the figure: 1. a box body; 2. a connecting plate; 3. a first movable block; 4. a movable rod; 5. a second movable block; 6. a first spring; 7. a toothed plate; 8. a gear; 9. a rotating shaft; 10. a winding wheel; 11. connecting ropes; 12. a second spring; 13. a third spring; 14. a fixed block; 15. a slide bar; 16. a lower die; 17. a fixing plate; 18. a transverse plate; 19. a hydraulic cylinder; 20. and (5) an upper die.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", 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 describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The box body 1, the connecting plate 2, the first movable block 3, the movable rod 4, the second movable block 5, the first spring 6, the toothed plate 7, the gear 8, the rotating shaft 9, the winding wheel 10, the connecting rope 11, the second spring 12, the third spring 13, the fixed block 14, the sliding rod 15, the lower die 16, the fixed plate 17, the transverse plate 18, the hydraulic cylinder 19 and the upper die 20 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the invention can be known by technical manuals or conventional experimental methods.

Referring to fig. 1-3, a stamping die comprises a box body 1, wherein supporting legs are fixedly connected to four corners of the bottom of the box body 1, anti-slip pads are fixedly connected to the bottoms of the supporting legs, friction between the bottoms of the supporting legs and a contact object is increased by the aid of the anti-slip pads, so that stamping is stable, a connecting plate 2 is arranged at the top of the inner wall of the box body 1, a sliding rod 15 is sleeved in an inner cavity of a third spring 13, the bottom of the sliding rod 15 is fixedly connected with a fixed block 14, the top of the sliding rod 15 penetrates through the connecting plate 2 and extends to the top of the connecting plate 2, the top of the sliding rod 15 is fixedly connected with the box body 1, the surface of the sliding rod 15 is slidably connected with the connecting plate 2, work of the connecting plate 2 is stabilized by the aid of the sliding rod 15, the connecting plate 2 is balanced and supported, instability of the connecting plate 2, the bottom of the first movable block 3 is movably connected with a movable rod 4, the bottom of the movable rod 4 is movably connected with a second movable block 5, sliding grooves are formed in two sides of the bottom of the box body 1, the inner cavity of each sliding groove is connected with a sliding block in a sliding mode, the top of each sliding block is fixedly connected with the corresponding second movable block 5, the sliding grooves and the sliding blocks are arranged, the work of the second movable blocks 5 is stabilized, the second movable blocks 5 are supported in a balanced mode, the situation that the second movable blocks 5 cannot work is avoided, the outer side of each second movable block 5 is fixedly connected with a first spring 6, the outer side of each first spring 6 is fixedly connected with the box body 1, the inner side of each second movable block 5 is fixedly connected with a toothed plate 7, the top of each toothed plate 7 is meshed with a gear 8, the inner cavity of each gear 8 is sleeved with a rotating shaft 9, a rolling wheel 10 is sleeved on the surface of the rotating shaft 9 and located on the, connect one side fixedly connected with second spring 12 that rope 11 kept away from wind-up wheel 10, the outside and the 1 fixed connection of box of second spring 12, the equal fixedly connected with third spring 13 in both sides of 2 bottoms of connecting plate, the bottom fixedly connected with fixed block 14 of third spring 13, the outside and the 1 fixed connection of box of fixed block 14, the axis fixedly connected with lower mould 16 of department at 2 tops of connecting plate, the top of lower mould 16 is run through box 1 and is extended to the top of box 1, the surface cover of lower mould 16 is equipped with the damping cover, and the top and the 1 fixed connection of box of damping cover, the equal fixedly connected with fixed plate 17 in both sides at 1 top of box, the top fixedly connected with diaphragm 18 of fixed plate 17, the axis fixedly connected with pneumatic cylinder 19 of department of diaphragm 18 bottom, mould 20 on the bottom fixedly connected with.

When the punching machine is used, the hydraulic cylinder 19 is controlled to work through the external controller, the hydraulic cylinder 19 drives the upper die 20 to move, then the workpiece is punched through the matching of the lower die 16, during punching, the upper die 20 drives the lower die 16 to move, so that the connecting plate 2 moves, the connecting plate 2 drives the first movable block 3 to move, the first movable block 3 drives the movable rod 4 to move, the movable rod 4 drives the second movable block 5 to move, the second movable block 5 drives the first spring 6 to deform, the second movable block 5 also drives the toothed plate 7 to move, the toothed plate 7 drives the gear 8 to rotate, the gear 8 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the winding wheel 10 to rotate, the connecting rope 11 is wound, so that the connecting rope 11 drives the second spring 12 to deform, the third spring 13 also deforms due to the movement of the connecting plate 2, thereby played the effect of buffering to lower mould 16, solved current stamping die and did not possess buffer function at the during operation, because the impact force is big, caused the problem of mould damage easily, peripheral hardware controller is the PLC controller in this application, and simultaneously, two wiring ends of peripheral hardware controller are connected with power plug through the wire, and adopt the commercial power to supply power in this application.

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 stamping die, includes box (1), its characterized in that: the top of the inner wall of the box body (1) is provided with a connecting plate (2), the bottom of the connecting plate (2) is fixedly connected with first movable blocks (3) on two sides of a middle shaft, the bottom of each first movable block (3) is movably connected with a movable rod (4), the bottom of each movable rod (4) is movably connected with a second movable block (5), the outer side of each second movable block (5) is fixedly connected with a first spring (6), the outer side of each first spring (6) is fixedly connected with the box body (1), the inner side of each second movable block (5) is fixedly connected with a toothed plate (7), the top of each toothed plate (7) is meshed with a gear (8), the inner cavity of each gear (8) is sleeved with a rotating shaft (9), the surface of each rotating shaft (9) is sleeved with a rolling wheel (10) on the inner side of each gear (8), and the surface of each rolling wheel (10) is fixedly connected with a connecting rope (11), one side fixedly connected with second spring (12) of rolling wheel (10) is kept away from in connection rope (11), the outside and box (1) fixed connection of second spring (12), the equal fixedly connected with third spring (13) in both sides of connecting plate (2) bottom, the bottom fixedly connected with fixed block (14) of third spring (13), the outside and box (1) fixed connection of fixed block (14).

2. A stamping die as claimed in claim 1, wherein: the improved structure of the hydraulic coupler is characterized in that a lower die (16) is fixedly connected to the middle shaft at the top of the connecting plate (2), the top of the lower die (16) penetrates through the box body (1) and extends to the top of the box body (1), a damping sleeve is sleeved on the surface of the lower die (16), the top of the damping sleeve is fixedly connected with the box body (1), fixing plates (17) are fixedly connected to the two sides of the top of the box body (1), a transverse plate (18) is fixedly connected to the top of each fixing plate (17), a hydraulic cylinder (19) is fixedly connected to the middle shaft at the bottom of the transverse plate (18), and an upper die (20) is fixedly connected.

3. A stamping die as claimed in claim 1, wherein: the inner chamber cover of third spring (13) is equipped with slide bar (15), the bottom and fixed block (14) fixed connection of slide bar (15), the top of slide bar (15) runs through connecting plate (2) and extends to the top of connecting plate (2), the top and box (1) fixed connection of slide bar (15), the surface and connecting plate (2) sliding connection of slide bar (15).

4. A stamping die as claimed in claim 1, wherein: the sliding grooves are formed in the two sides of the bottom of the box body (1), the sliding blocks are connected to the inner cavities of the sliding grooves in a sliding mode, and the tops of the sliding blocks are fixedly connected with the second movable blocks (5).

5. A stamping die as claimed in claim 1, wherein: the four corners of the bottom of the box body (1) are fixedly connected with supporting legs, and the bottoms of the supporting legs are fixedly connected with non-slip mats.