CN214133503U - Stamping device - Google Patents

Abstract

The utility model relates to a punching press technical field, specifically speaking relate to a punching device. In the punching of thin-wall pipe parts, the rigidity is poor, and the punching can not be realized by a common punching machine at all. A kind of stamping device, set up fixed block and guide rail on the platen, set up the sliding seat of the power source on the guide rail; a sheath is sleeved on the fixed block, a workpiece is sleeved on the sheath, a core rod and a loose core are sleeved in the sheath, and the core rod is connected with a power source; the sheath is provided with an opening, the punch is sleeved on the loose core and clamped on the opening of the sheath, and the straight-line motion of the loose core drives the punch to punch; one side in the cavity of the sliding seat is provided with a concave module, the other side is connected with a movable block in a sliding manner, the movable block is connected with a power source, and a positioning block is arranged above the sliding seat. The pipe fitting is arranged on the wear-resistant sheath, rigid support of the pipe wall is carried out, the inclined core pulling linear motion drives the punch to punch, the punching action of the thin-wall pipe fitting is realized, the punching force can be adjusted according to the inclination of the core pulling and the size of the hydraulic cylinder, and the hydraulic cylinder is suitable for various thin-wall pipe fittings.

Description

Stamping device

Technical Field

The utility model relates to a punching press technical field, more specifically say and relate to a punching device.

Background

In the stamping of thin-wall pipe parts, because the pipe is thin and the middle of the pipe is of a hollow structure, the rigidity of the pipe is poor, the stamping force cannot be too large, the pipe is easy to bend and deform, the stroke cannot be too large, the pipe cannot be machined by a common stamping machine at all, the pipe can only be machined by laser cutting, plasma cutting and other modes, and the processing cost of the pipe is increased by times due to the high price of the equipment. In the traditional pressure punch, the misoperation phenomenon often occurs, the probability of safety accidents is high, the safety punch belongs to dangerous operation, and the personal safety is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stamping device with simple and reasonable structure, which is particularly suitable for thin-wall parts aiming at the defects of the prior art.

A stamping device comprises a platen, wherein two ends of the platen are respectively provided with a fixed block and a guide rail, the guide rail is provided with a sliding seat, the sliding seat is of a structure with a middle cavity, and the sliding seat is connected with a power source; a sheath is sleeved on the fixed block, the sheath is made of wear-resistant metal materials, a workpiece is sleeved on the sheath, a core rod and a loose core which are clamped with each other are sleeved in the sheath, and one end of the core rod is connected with a power source; the sheath is provided with an opening, the punch is sleeved on the loose core and clamped on the opening of the sheath, the joint of the loose core and the punch is of an inclined structure from big to small, and the straight-line motion of the loose core drives the punch to punch; a concave module is arranged on one side in a cavity of the sliding seat, the other side of the cavity is connected with a movable block in a sliding mode, the outer side of the movable block is connected with a power source, and a positioning block is arranged above the sliding seat. The wear-resistant protective sleeve is sleeved with the pipe fitting, rigid support is carried out on the pipe wall, bending and deformation are prevented, the inclined core pulling linear motion drives the punch to punch forwards, punching action of the thin-wall pipe fitting is achieved, punching force can be adjusted according to the core pulling inclination and the size of the hydraulic cylinder, and the thin-wall pipe fitting is suitable for various thin-wall pipe fittings.

As a further improvement and supplement to the above solution, the present invention further comprises the following additional technical features:

the core rod and the loose core are clamped through the T-shaped groove, and the connection is stable.

The number of the guide rails is 2, and the movement is stable.

The core pulling and the punch are clamped by an inclined I-shaped structure, and the core pulling and the punch are stably moved and connected.

The power supply be the pneumatic cylinder, efficient and with low costs, carry out the punching press by the pneumatic cylinder, factor of safety is high.

The die block is provided with a notch, and the punched waste material falls down from the notch, so that manual cleaning is not needed, and the structure is reasonable.

The sheath is made of Cr12, and is wear-resistant and long in service life.

The angle alpha of the clamping protrusion of the punch is 5-15 degrees, and the guide performance is good.

The I-shaped concave size of the loose core is 1-2mm, and the loose core is firmly clamped.

Use the utility model discloses following beneficial effect can be reached: the utility model has the advantages of simple and reasonable structure, the punching process on the thin wall pipe class part pipe wall has been solved, be particularly suitable for all kinds of thin wall pipe fittings, also can carry out the punching press for the pipe below the wall thickness 3mm, and the stroke can adjust as required, the pipe fitting is established to the cover on the wear-resisting sheath, the rigidity of pipe wall is supported, the bending and the deformation emergence have been prevented, by the inclined linear motion of loosing core, drive the drift and punch press forward, the punching press action of thin wall pipe fitting has been realized, and its punching press power can be adjusted according to the inclination of loosing core and the size of pneumatic cylinder, be suitable for all kinds of thin wall pipe fittings. The utility model discloses carry out stamping with a brand-new mode, replaced traditional punching a hole, towards the breach and can only process with the punching machine of different tonnages, the security is high, has guaranteed the personal safety. And the application range is wide, when the product is replaced, the number of replaced parts is small, and the cost is low.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention (B-B section shown in fig. 3).

Fig. 3 is a top view of the present invention (C-C cut shown in fig. 2).

Fig. 4 is a left side view (a-a cut shown in fig. 3) of the present invention.

FIG. 5 is a partial enlarged view of the position D shown in FIG. 4

Fig. 6 is a schematic structural diagram of the middle punch 4, the core pulling 5 and the sheath 6 of the present invention.

Fig. 7 is a schematic structural diagram of the middle punch 4 of the present invention.

Fig. 8 is a front view of the middle punch 4 of the present invention.

Fig. 9 is a plan view of the punch 4 according to the present invention (E-E section shown in fig. 8).

Fig. 10 is a schematic structural view of the central core pulling device 5 of the present invention.

Fig. 11 is a schematic structural view of the opening of the sheath 6 according to the present invention.

Detailed Description

The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1-11, the present invention relates to a punching apparatus.

The stamping device comprises a platen 1, wherein two ends of the platen 1 are respectively provided with a fixed block 7 and a guide rail 2, the section of the guide rail 2 is in a dovetail shape, the guide rail 2 is provided with a sliding seat 3, the sliding seat 3 is in a structure with a middle cavity, the sliding seat 3 is connected with a power source, the power source is a hydraulic cylinder, and the hydraulic cylinder is not unfolded in the prior art due to the fact that the connection mode of the hydraulic cylinder is adopted. The fixing block 7 is sleeved with a sheath 6, the sheath 6 is of a hollow structure, the sheath 6 is made of a wear-resistant metal material, the sheath 6 is sleeved with a workpiece 11, and the outer size of the sheath 6 is slightly larger than the size of an inner cavity of the workpiece 11. The sheath 6 endotheca is equipped with the plug 10 of looks block and looses core 5, and the power supply is connected to the one end of plug 10, the power supply be the pneumatic cylinder, because of the connected mode of pneumatic cylinder is prior art, no longer expandes here. The sheath 6 is provided with an opening, the front part and the rear part of the opening are of a penetrating structure, and the upper part and the lower part are of a penetrating structure. The punch 4 comprises a punching part 41, an outer clamping part 42 and an inner clamping part, the punching part 41 is of an inwards concave arc structure, the outer clamping part 42 is of a right-angle structure, the inner clamping part is of a hollow structure, and clamping protrusions 43 are arranged on two hollow side walls. The punch 4 is sleeved on the loose core 5 through the clamping protrusion 43 and clamped on the opening of the sheath 6 through the outer clamping part 42, the joint of the loose core 5 and the punch 4 is of an inclined structure from large to small, and the punch 4 is driven by the linear motion of the loose core 5 to perform punching. The cavity of seat 3 that slides in one side establish die piece 12, opposite side sliding connection movable block 8, concave module 12 passes through connecting block 14 to be fixed on seat 3 that slides, movable block 8 and connecting block 14 are connected with seat 3 that slides through two dabbers 13, the power supply is connected in the movable block 8 outside, the power supply be the pneumatic cylinder, because of the connected mode of pneumatic cylinder is prior art, no longer expand here. The workpiece 11 is clamped by the movable block 8 and the die block 12, and the movable block 8 is provided with a protective layer at the clamping part. A positioning block 9 is arranged above the sliding seat 3 to position the workpiece 11, two waist-shaped long grooves 91 are arranged on the positioning block 9 to be connected with the sliding seat 3, the positioning block 9 is arranged above the sheath 6, and a positioning opening 92 is arranged to position the workpiece 11 in an abutting mode.

Furthermore, the core rod 10 and the loose core 5 are clamped through a T-shaped groove, the core rod 10 is provided with a T-shaped bulge, the loose core 5 is provided with a T-shaped groove, and the core rod 10 and the loose core are clamped.

Furthermore, the number of the guide rails 2 is 2, and the guide rails are symmetrically distributed on two sides below the sliding seat 3.

Furthermore, the core-pulling 5 is clamped with the punch 4 by an inclined I-shaped structure, and the clamping bulges 43 on two sides of the punch 4 are in sliding connection with the I-shaped structure of the core-pulling 5.

Furthermore, a notch is arranged on the die block 12. The shape of the notch on the female die block 12 is consistent with the punching shape of the workpiece 11, the size of the notch is slightly larger than that of the workpiece 11, the corresponding connecting block 14 is provided with a notch, the sliding seat 3 is also provided with a notch 31, and the size of the notch is sequentially increased by the workpiece 11, the female die block 12, the connecting block 14 and the sliding seat 3.

Further, the material of the sheath 6 is Cr 12.

Further, the angle α of the engaging projection 43 of the punch 4 is 5 to 15 degrees.

Furthermore, the I-shaped concave size of the loose core 5 is 1-2 mm.

The working principle of the utility model is as follows:

in the original position, the loose core 5 is positioned in the sheath 6 and can not extend out of the sheath 6.

When the punching device is used, the workpiece 11 penetrates through the movable block 8 and the female die block 12 and is sleeved on the sheath 6 until the workpiece abuts against the positioning opening 92 on the positioning block 9, and then the movable block 8 is driven by the hydraulic cylinder to move inwards to clamp the workpiece 11. The hydraulic cylinder on the sliding seat 3 drives the workpiece 11, the movable block 8 and parts connected to the movable block to move to the fixed block 7 side and move to a set position, the hydraulic cylinder on the core rod 10 drives the core pulling 5 to move forward towards the sliding seat 3, the punch 4 is pressed forward to a set stroke to punch the workpiece 11, and the punched waste materials sequentially flow out of the female die block 12, the connecting block 14 and the sliding seat 3. After punching is completed, the core pulling 5 is driven to reset by a hydraulic cylinder on the core rod 10, the punch 4 returns to the original position (the position before punching), the hydraulic cylinder on the sliding seat 3 resets at the same time, then the hydraulic cylinder on the movable block 8 resets, the workpiece 11 is loosened, one-time punching is completed, and the process is circulated.

The above is the preferred embodiment of the present invention, and the protection scope of the present invention is not limited, and the deformation and improvement made by the design idea of the present invention for those skilled in the art should be considered as the protection scope of the present invention.

Claims (9)

1. A stamping device comprising a platen (1), characterized in that: two ends of the bedplate (1) are respectively provided with a fixed block (7) and a guide rail (2), the guide rail (2) is provided with a sliding seat (3), the sliding seat (3) is of a structure with a middle cavity, and the sliding seat (3) is connected with a power source; a sheath (6) is sleeved on the fixing block (7), the sheath (6) is made of wear-resistant metal materials, a workpiece (11) is sleeved on the sheath (6), a core rod (10) and a loose core (5) which are clamped with each other are sleeved in the sheath (6), and one end of the core rod (10) is connected with a power source; the sheath (6) is provided with an opening, the punch (4) is sleeved on the loose core (5) and clamped on the opening of the sheath (6), the joint of the loose core (5) and the punch (4) is of an inclined structure from big to small, and the punch (4) is driven by the linear motion of the loose core (5) to punch; one side in the cavity of the sliding seat (3) is provided with a concave module (12), the other side is connected with a movable block (8) in a sliding manner, the outer side of the movable block (8) is connected with a power source, and a positioning block (9) is arranged above the sliding seat (3).

2. The stamping apparatus of claim 1, wherein: the core rod (10) and the loose core (5) are clamped through a T-shaped groove.

3. The stamping apparatus of claim 1, wherein: the number of the guide rails (2) is 2.

4. The stamping apparatus of claim 1, wherein: the core pulling (5) is clamped with the punch head (4) by an inclined I-shaped structure.

5. The stamping apparatus of claim 1, wherein: the power source is a hydraulic cylinder.

6. The stamping apparatus of claim 1, wherein: the concave module (12) is provided with a notch.

7. The stamping apparatus of claim 1, wherein: the material of the sheath (6) is Cr 12.

8. The stamping apparatus of claim 1, wherein: the angle alpha of the clamping bulge (43) of the punch (4) is 5-15 degrees.

9. The stamping apparatus of claim 4, wherein: the I-shaped concave size of the loose core (5) is 1-2 mm.

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