CN217315370U - Combined stamping die - Google Patents

Abstract

The utility model discloses a combined stamping die, including upper block and lower block, the upper surface center fixed mounting of upper block has the die shank, the left and right sides of die shank is seted up and is passed through the guide pillar mounting hole of upper block and lower block, the upper surface left and right sides edge symmetry of lower block has seted up two T-slots, install the cardboard in the T-slot respectively, the lower surface center fixed mounting of lower block has the mold core, the left and right sides of mold core is provided with a guide pillar respectively, the bottom of guide pillar is fixed on the stripper, the lateral wall upper portion of guide pillar has seted up the draw-in groove, the upper portion of guide pillar passes through the guide pillar mounting hole of lower block, cardboard and upper block in proper order; the bottom of the mold core is movably inserted into a punching hole in the center of the stripper plate. The utility model discloses a set up the locking mechanism that stripper guide pillar and cardboard, jump ring formed, can damage or dismantle fast when the clearance is maintained at the mold core, change the mold core or the clearance is maintained the back and is assembled the recovery rapidly, makes things convenient for operating personnel's use, reduces the cost of overhaul, improves production efficiency.

Description

Combined stamping die

Technical Field

The utility model relates to a stamping equipment technical field, specific modular stamping die that says so.

Background

The die is a tool for making a blank into a workpiece with a specific shape and size under the action of external force, and is formed by combining various parts, generally comprising a movable die and a fixed die (or a male die and a female die), wherein the movable die and the fixed die can be separated or combined. The punching die is a tool for punching and forming steel plate and other punched materials by using a press, the die core of the punching die has a specific contour shape, the blank can be separated according to the contour shape by using the contour shape with a cutting edge during punching, the appearance of the article is processed mainly by changing the physical state of the formed material, and the punching die is widely used for forming and processing sheet metal parts.

The die is a precise tool, has a complex shape, bears great pressure of equipment, and has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision. When a current mainstream die is installed and clamped, an upper die handle is generally inserted into a slide block mounting hole, and the combination of the male dies is basically stressed on structural stability and functional realizability by utilizing an installation mode of tile holding and jackscrew fastening, and the aspects of disassembly, assembly, repair and maintenance are rarely considered; in addition, the stripper in the mould is generally with the fixed mode of four corners double-screw bolt installation, and the rubber of unloading then clamps between terrace die module main part lower surface and stripper upper surface, utilizes the pulling force fastening position of four corners double-screw bolt, does not have direct relevance with the module main part, can weaken and the slippage because of rubber elasticity in the use, though utilize fastening double-screw bolt to pass the rubber of unloading and fix a bit, nevertheless can bring very big inconvenience for the dismouting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a combined stamping die to solve the problem that exists among the prior art.

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

a combined stamping die comprises an upper block and a lower block which are the same in size and connected through a long bolt, wherein a solid cylindrical die shank is fixedly arranged at the center of the upper surface of the upper block, guide pillar mounting holes penetrating through the upper block and the lower block are formed in the left side and the right side of the die handle, two T-shaped grooves are symmetrically formed in the left side edge and the right side edge of the upper surface of the lower block, a T-shaped clamping plate is respectively mounted in each T-shaped groove, a guide pillar mounting hole is also formed in the middle of each clamping plate, a die core is fixedly mounted in the center of the lower surface of the lower block, a guide pillar is respectively arranged on the left side and the right side of each die core, the bottoms of the guide pillars are fixed on a discharging plate, clamping grooves are formed in the upper portions of the side walls of the guide pillars, the upper portions of the guide pillars sequentially penetrate through the guide pillar mounting holes of the lower block, the clamping plates and the upper block, and the clamping grooves are located in the guide pillar mounting holes of the clamping plates, a clamp spring is arranged in a guide pillar mounting hole of the clamp plate and is embedded in a clamp groove of the guide pillar to fix the guide pillar; the bottom of the mold core is movably inserted into a punching hole in the center of the stripper plate; the die handle, the upper block, the pressing plate, the clamping plate, the lower block and the die core form a male die moving body, and the guide pillar and the discharging plate form a male die immovable body.

Preferably, a pressing plate is arranged between the upper block and the lower block, bolt mounting holes are formed in four corners of the pressing plate, and guide pillar mounting holes are formed in the left side and the right side of the pressing plate.

Preferably, the outer surface of the mold core is wrapped with shock absorption rubber.

Preferably, the top end edge of the guide pillar is a chamfered edge.

The utility model discloses an assembly process does:

the clamping plate is embedded into the T-shaped groove in the upper surface of the lower block, so that guide pillar mounting holes in two sides of the clamping plate, the upper block and the lower block are aligned, the clamping plate is pressed to extrude the clamp spring, the guide pillars are inserted into the guide pillar mounting holes from bottom to top, the upper ends of the guide pillars smoothly penetrate through the guide pillar mounting holes in the clamping plate and enter the guide pillar mounting holes in two sides of the upper block, the clamp spring is loosened, the clamp spring is rebounded and embedded into the clamping groove in the upper portion of the guide pillars, the guide pillars are firmly assembled on the upper block and the lower block, and the male die is assembled completely.

The utility model discloses a working process does:

when the mold does not work, the top end of the mold core is flush with the lower surface of the stripper plate. When a workpiece is punched, the male die moves downwards along with the slide block of the press machine, the bottom surface of the stripper plate stops due to resistance after contacting the workpiece to be punched, the moving body of the male die continues to move downwards, the damping rubber is extruded and deformed, and the die core moves downwards to punch the surface of a material until the punching is finished; and then the slide block moves upwards, the damping rubber rebounds to push the stripper plate to be stressed downwards, the die core is withdrawn from the stamping hole to reset, and the one-time complete stamping process is finished.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a locking mechanism that sets up stripper guide pillar and cardboard, jump ring and form can dismantle fast when the mold core damages or clearance maintenance, assemble fast and recover after changing the mold core or clearance maintenance, make things convenient for operating personnel's use, reduce the cost of overhaul, improve production efficiency;

2. the utility model discloses a setting suit yielding rubber on the mold core, playing the bradyseism effect effectively, when terrace die, die reduce the impact force that produces when the punching press, the contact surface of protection terrace die, increase of service life simplifies shedding mechanism's complex construction simultaneously, has improved the convenience that the yielding rubber installation is fixed and changed.

Drawings

FIG. 1 is a schematic structural view of a prior art mold;

fig. 2 is a schematic structural diagram of the present invention;

fig. 3 is an exploded view of the invention of fig. 2;

in the figure: 1. the die comprises a die handle, 2 parts of an upper block, 3 parts of a pressing plate, 4 parts of a clamp spring, 5 parts of a clamping plate, 6 parts of a lower block, 7 parts of damping rubber, 8 parts of a die core, 9 parts of a guide pillar, 10 parts of a discharging plate, 11 parts of a T-shaped groove, 12 parts of a clamping groove, 13 parts of a punching hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 2 and fig. 3, a combined stamping die comprises an upper block 2 and a lower block 6 which are identical in size and are connected with each other through a long bolt, a solid cylindrical die shank 1 is fixedly installed at the center of the upper surface of the upper block 2, guide pillar mounting holes penetrating through the upper block 2 and the lower block 6 are formed in the left side and the right side of the die shank 1, two T-shaped grooves 11 are symmetrically formed in the left side and the right side of the upper surface of the lower block 6, a T-shaped clamping plate 5 is respectively installed in the T-shaped grooves 11, a guide pillar mounting hole is also formed in the middle of the clamping plate 5, a die core 8 is fixedly installed at the center of the lower surface of the lower block 6, guide pillars 9 are respectively arranged on the left side and the right side of the die core 8, the bottoms of the guide pillars 9 are fixed on a discharging plate 10, clamping grooves 12 are formed in the upper portions of the side walls of the guide pillars 9, the guide pillar mounting holes of the lower block 6, the clamping plate 5 and the upper block 2 are sequentially penetrated through the upper portions of the guide pillars 9, the clamping grooves 12 are located in the guide pillar mounting holes of the clamping plate 5, a clamp spring 4 is arranged in a guide pillar mounting hole of the clamp plate 5, and the clamp spring 4 is embedded in a clamp groove 12 of the guide pillar to fix the guide pillar 9; the bottom of the mold core 8 is movably inserted in a punching hole 13 in the center of the stripper plate 10; the punch moving body is composed of a die shank 1, an upper block 2, a pressing plate 3, a clamping plate 5, a lower block 6 and a die core 8, and the punch immovable body is composed of a guide post 9 and a discharging plate 10.

Be provided with clamp plate 3 between upper segment 2 and the lower segment 6, four corners of clamp plate 3 are provided with the bolt mounting hole, and the guide pillar mounting hole has been seted up to the left and right sides of clamp plate 3.

The outer surface of the mold core 8 is wrapped with damping rubber 7.

The top end edge of the guide post 9 is a chamfered edge.

The utility model discloses an assembly process does:

the clamping plate 5 is embedded into a T-shaped groove 11 in the upper surface of the lower block 6, guide pillar mounting holes in two sides of the clamping plate 5, the upper block 2, the pressing plate 3 and the lower block 6 are aligned, the clamping plate 5 is pressed to extrude the clamping spring 4, the guide pillars 9 are inserted into the guide pillar mounting holes from bottom to top, the upper ends of the guide pillars 9 smoothly penetrate through the guide pillar mounting holes in the clamping plate 5 and enter the guide pillar mounting holes in two sides of the upper block 2, the clamping spring 4 is loosened, the clamping spring 4 is rebounded and embedded into a clamping groove 12 in the upper portion of the guide pillars 9, the guide pillars 9 are firmly assembled on the upper block 2 and the lower block 6, and the male die assembly is completed.

The utility model discloses a working process does:

when the mould is in an out-of-operation state, the top end of the mould core 8 is flush with the upper surface of the stripper plate 9. When a workpiece is punched, the male die moves downwards along with the slide block of the press machine, after the bottom surface of the stripper plate 10 contacts the workpiece to be punched, the workpiece is stopped due to resistance, the moving body of the male die continues to move downwards, the damping rubber 7 is extruded and deformed, and the die core 8 moves downwards and punches the surface of the material until the punching is finished; and then the slide block moves upwards, the damping rubber 7 rebounds to push the stripper plate 10 to be forced downwards, the die core 8 exits from the punching hole to reset, and a complete punching process is finished.

The utility model discloses a set up the locking mechanism that stripper guide pillar and cardboard, jump ring formed, can damage or the clearance dismantles when maintaining fast at the mold core, change the mold core or the clearance is maintained the back and is assembled the restoration rapidly, makes things convenient for operating personnel's use, reduces the cost of overhaul, improves production efficiency.

The above are only preferred examples of the present invention. It should be noted that other equivalent variations and modifications can be made by those skilled in the art based on the technical teaching provided by the present invention, as the common general knowledge in the mechanical field, and the protection scope of the present invention should be considered.

Claims (4)

1. The utility model provides a modular stamping die, includes that the size is the same last piece (2) that are connected through the stay bolt and lower piece (6), the last surface center fixed mounting who goes up piece (2) has solid cylindrical die shank (1), its characterized in that: guide post mounting holes penetrating through the upper block (2) and the lower block (6) are formed in the left side and the right side of the die shank (1), two T-shaped grooves (11) are symmetrically formed in the left side and the right side of the upper surface of the lower block (6), a T-shaped clamping plate (5) is respectively mounted in each T-shaped groove (11), a guide post mounting hole is also formed in the middle of each clamping plate (5), a die core (8) is fixedly mounted in the center of the lower surface of the lower block (6), guide posts (9) are respectively arranged on the left side and the right side of each die core (8), the bottom of each guide post (9) is fixed on a discharging plate (10), clamping grooves (12) are formed in the upper portions of the side walls of the guide posts (9), clamping springs (4) are arranged in the guide post mounting holes of the lower block (6), the clamping plate (5) and the upper block (2) sequentially penetrate through the upper portions of the guide posts of the clamping plates (12), the guide post mounting holes of the clamping plates (5), the clamp spring (4) is embedded in a clamping groove (12) of the guide post to fix the guide post (9); the bottom of the mold core (8) is movably inserted into a punching hole (13) in the center of the stripper plate (10); the male die moving body is composed of a die handle (1), an upper block (2), a pressing plate (3), a clamping plate (5), a lower block (6) and a die core (8), and the male die moving body is composed of a guide post (9) and a discharging plate (10).

2. The combined stamping die of claim 1, wherein: the pressing plate (3) is arranged between the upper block (2) and the lower block (6), bolt mounting holes are formed in four corners of the pressing plate (3), and guide pillar mounting holes are formed in the left side and the right side of the pressing plate (3).

3. A combined stamping die according to claim 1 or 2, characterised in that: the outer surface of the mold core (8) is wrapped with damping rubber (7).

4. A modular stamping die according to claim 3, wherein: the top end edge of the guide post (9) is a chamfered edge.

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