CN205763290U - Stamping die for slender hardware - Google Patents

Abstract

The utility model discloses a stamping die of long and thin hardware, including mould body and feed arrangement, the mould body includes mould and lower mould, feed arrangement sets up at the lower mould feed end, it has set gradually cope match-plate pattern, upper padding plate, punch holder, backstop board and has taken off the flitch to last down from last to going up the mould, supreme bottom plate, pad foot, die holder, lower bolster and the die board of having set gradually is down followed to the lower mould, this internal first mechanism of punching a hole, the second mechanism of punching a hole, the first mechanism of taking out a hole, the third mechanism of punching a hole, trimming mechanism, face pressure equipment construct, the second is taken out a hole mechanism, the crooked mechanism of V type, plastic mechanism, levelling mechanism and shutdown mechanism according to manufacturing procedure in proper order. The utility model has the advantages that: multi-mechanism stepping continuous production is realized in multiple processes, the production efficiency is high, and the labor cost is saved; each mechanism is all through accurate positioning setting, makes hardware component's precision high, and the yields is high.

Description

Stamping die for slender hardware

technical field

The utility model relates to the field of metal stamping dies, in particular to a stamping die for high-precision, slender hardware parts.

Background technique

Schematic diagrams of the hardware parts to be processed as shown in Figure 1 and Figure 2, Figure 1 is a three-dimensional view of the hardware parts, Figure 2 is the front view of the hardware parts, the length of the hardware parts is more than 300mm, and the cross-sectional thickness is about 2mm , is a slender hardware part with relatively high precision requirements, and it is symmetrical from left to right. The metal parts that can be seen from Figure 1 and Figure 2 need to be punched and drawn with different diameters during processing, and bending and cutting molds are also required during processing. If using the existing technology to process the parts in the figure, it is necessary to set up different molds for processing according to different production processes. In this way, in order to complete the parts in the figure, it is necessary to set up many processes, and then arrange corresponding Workers follow up one by one. After the product has been processed by multiple molds, its processing accuracy is difficult to guarantee. In view of the situation of the existing technology, both production efficiency and production cost have brought huge pressure to the factory. Not well guaranteed, high rework rate.

Contents of the invention

In order to solve the problems existing in the above-mentioned prior art, the purpose of this utility model is to provide a stamping die for slender hardware parts, which can realize continuous processing of hardware parts, has high production efficiency, saves labor costs, and has high product precision. , High yield rate.

The technical solution adopted by the utility model is: a stamping die for slender hardware, including a die body and a feeding device, the die body includes an upper die and a lower die, and the feeding device is arranged at the feed end of the lower die, The upper die is sequentially provided with an upper formwork, an upper backing plate, an upper splint, a stop plate and a stripper plate from top to bottom, and the lower die is sequentially provided with a lower supporting plate, a foot pad, a lower mold seat, a lower The backing plate and the concave template, the mold body is sequentially provided with a first punching mechanism, a second punching mechanism, a first drawing hole mechanism, a third punching mechanism, an edge trimming mechanism, a surface pressing mechanism, a second punching mechanism, etc. Two pumping mechanism, V-shaped bending mechanism, shaping mechanism, leveling mechanism and cutting mechanism.

As a preferred solution, the first hole extraction mechanism includes a return spring, a thimble, an extrusion groove, a lower die slider, a punch holder, an extraction punch and a lift pin, and the extrusion groove is arranged on the stripper plate On the top, a thimble is arranged in the convex groove, and the thimble is offset against the upper template by a return spring, the punch holder is fixed on the concave template, and a lower mold floating block is arranged above the punch holder. One end of the punch holder is fixedly provided with a hole-drawing punch that penetrates the floating block of the lower die, and the other end of the punch holder is provided with a lift pin that penetrates the punch holder. The lower mold floating block is connected, and the other end of the lifting pin is connected with the back-moving spring, and the lower end of the back-moving spring is against the lower mold base.

As a preferred solution, the second hole-drawing mechanism includes a return spring, a thimble, a hole-drawing punch, and a stripping sleeve, and the hole-drawing punch passes through the stripping plate, the stopper plate, the upper splint, and the upper pad in sequence from bottom to top. plate and upper formwork, the stripping sleeve is set in the concave formwork, and a thimble is arranged in the stripping sleeve, the lower end of the thimble penetrates the stripping sleeve and resists the return spring, and the lower end of the return spring is in contact with the lower mold seat offset.

As a preferred solution, the V-shaped bending mechanism includes a V-shaped punching concave block arranged on the upper die and a V-shaped wedge protrusion correspondingly arranged on the lower die; the V-shaped punched concave block passes through the stripper plate and the stop plate in turn It is fixed on the lower surface of the upper splint, and the left and right sides of the V-shaped stamped concave block are provided with limiting protrusions.

As a preferred solution, the leveling mechanism includes a guide pin, a guide bump, and a fixing seat, the guide pin is fixed on the stripper plate, and the upper end of the guide pin is against the stop plate; the fix seat It is arranged on the concave template, and the said fixing seat is provided with a guiding lug matched with the guiding pin.

As a preferred solution, the cutting mechanism includes a cutting groove, a cutting insert and a return spring; the cutting groove runs through the concave template and the lower backing plate, a cutting insert is arranged in the cutting groove, and the cutting A return spring is arranged against the lower surface of the cutting insert, and the lower end of the return spring is arranged against the lower mold base.

As a preferred solution, the feeding device is set as a stepping device.

As a preferred solution, the upper surface of the lower mold slider is provided with a first limit assembly at the place corresponding to the hole punch; the first limit assembly includes an L-shaped protrusion arranged on the right side of the hole punch block and correspondingly arranged on the left side of the hole punching head and the reverse L-shaped bump in a mirror image relationship with the L-shaped bump, and a limiting space is formed between the L-shaped bump and the reverse L-shaped bump.

As a preferred solution, the lower surface of the stripper plate is provided with a second limit assembly at the place corresponding to the hole punch; the second limit assembly includes a 7-shaped protrusion arranged on the left side of the hole punch block and correspondingly arranged on the right side of the hole-drawing punch and the reverse 7-shaped bump in a mirror image relationship with the 7-shaped bump, and a limiting space is formed between the 7-shaped bump and the reverse 7-shaped bump.

The beneficial effects of the utility model are: the utility model is suitable for one-time forming mold of slender and high-precision hardware parts, and is sequentially provided with a first punching mechanism, a second punching mechanism, a first hole-drawing mechanism, The third punching mechanism, the trimming mechanism, the surface pressing mechanism, the second hole-drawing mechanism, the V-shaped bending mechanism, the shaping mechanism, the leveling mechanism and the cutting mechanism realize multi-process and multi-mechanism step-by-step continuous production, with high production efficiency and Save labor costs; each mechanism is set through precise positioning, so that the precision of hardware parts is high and the yield rate is high.

Description of drawings

Fig. 1 is a perspective view of a hardware part.

Fig. 2 is a front view of the hardware part.

Fig. 3 is a schematic structural view of the utility model.

Fig. 4 is a first partial enlarged view of the present utility model.

Fig. 5 is a second partial enlarged view of the present invention.

Fig. 6 is a third partial enlarged view of the present utility model.

Fig. 7 is an enlarged view of A in the first partial enlarged view of the present invention.

Fig. 8 is an enlarged view of B in the second partial enlarged view of the utility model.

In the figure: upper formwork 1, upper backing plate 2, upper splint 3, stop plate 4, stripper plate 5, concave formwork 6, lower backing plate 7, lower mold base 8, feet 9, lower supporting plate 10, feeding Device 11, first punching mechanism 12, second punching mechanism 13, first limit assembly 14, return spring 15, thimble 16, limit bump 18, V-shaped punching concave block 19, guide pin 20, lower Die floating block 21, lifting pin 22, cutting insert 23, hole punch 25, extrusion groove 26, surface pressure mechanism 27, second limit assembly 28, V-shaped wedge protrusion 29, fixing seat 30 , guiding bump 31, L-shaped bump 32, reverse L-shaped bump 33, reverse 7-shaped bump 34, 7-shaped bump 35, trimming mechanism 37, third punching mechanism 41, punch fixed Seat 42.

detailed description

The technical scheme of the present utility model is described below in conjunction with accompanying drawing and embodiment.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, and Fig. 8, a stamping die for elongated hardware includes a die body and a feeding device 11, and the feeding device 11 Set up as a stepper. The mold body includes an upper mold and a lower mold. The feeding device 11 is arranged at the feeding end of the lower mold. The upper mold is provided with an upper template 1, an upper backing plate 2, an upper splint 3, a stop plate 4 and a stripping plate from top to bottom. 5. The lower mold is sequentially provided with a lower supporting plate 10, a foot 9, a lower mold base 8, a lower backing plate 7 and a concave template 6 from bottom to top, and the first punching mechanism 12, The second punching mechanism 13, the first punching mechanism, the third punching mechanism 41, the trimming mechanism 37, the surface pressing mechanism 27, the second punching mechanism, V-shaped bending mechanism, shaping mechanism, leveling mechanism and cutting mechanism .

Referring to Fig. 4 and Fig. 7, the first hole-drawing mechanism includes a return spring 15, a thimble 16, an extrusion groove 26, a lower die floating block 21, a punch holder 42, a hole-drawing punch 25 and a lift pin 22, The extruding groove 26 is arranged on the stripper plate 5, and a thimble 16 is arranged in the extruding groove 26, and the thimble 16 is offset against the upper template 1 through the return spring 15, and the punch holder 42 is fixed on the concave On the template 6, a lower mold floating block 21 is arranged above the punch holder 42, and one end of the punch holder 42 is fixedly provided with a hole punch 25 that runs through the lower mold floating block 21, and the lower mold floating block 21 can move up and down along the axial direction of the hole punch 25. The other end of the punch holder 42 is provided with a lift pin 22 that runs through the punch holder 42. One end of the lift pin 22 is connected to the lower die slider 21, and the other end of the lift pin 22 is connected to the return spring 15. , the lower end of the return spring 15 is against the lower mold base 8 . The upper surface of the lower die slider 21 is provided with a first stop assembly 14 at a place corresponding to the hole punch 25; the first stop assembly 14 includes an L-shaped bump arranged on the right side of the hole punch 25 32 and correspondingly arranged on the left side of the hole punch 25 and the reverse L-shaped bump 33 in a mirror image relationship with the L-shaped bump 32, a limiting space is formed between the L-shaped bump 32 and the reverse L-shaped bump 33 . Hole-drawing punch 25 moves under the limit action of the limit space, and thimble 16 presses down on the mold floating block 21, so that when the hole-drawing punch 25 moves upward to carry out the hole-drawing action, it prevents deviation from affecting the accuracy of the parts , and the first limit assembly 14 adopts the L-shaped bump 32 and the reverse L-shaped bump 33. When the thimble 16 is pressed down to the lower mold floating block 21, it cooperates to press both sides of the plate to be pumped. Prevent the bending and deformation of the plates on both sides during the process of drawing holes, which will affect the quality of the parts.

Referring to Figures 5 and 8, the second hole-drawing mechanism includes a return spring 15, a thimble 16, a hole-drawing punch 25, and a stripping sleeve. The baffle plate 4, the upper splint 3, the upper backing plate 2 and the upper formwork 1, the stripping sleeve is arranged in the concave formwork 6, and a thimble 16 is arranged in the stripping sleeve, and the lower end of the thimble 16 runs through the stripping sleeve It is against the return spring 15 , and the lower end of the return spring 15 is against the lower mold base 8 . The lower surface of the stripper plate 5 is provided with a second limit assembly 28 corresponding to the hole punch 25; the second limit assembly 28 includes a 7-shaped bump arranged on the left side of the hole punch 25 35 and correspondingly arranged on the right side of the hole punch 25 and the reverse 7-shaped bump 34 in a mirror image relationship with the 7-shaped bump 35, between the 7-shaped bump 35 and the reverse 7-shaped bump 34 Create a limited space. The hole-drawing punch 25 performs a downward hole-drawing action under the limit effect of the space-limiting space, preventing the hole-drawing punch 25 from shifting during the machining process and affecting the accuracy of the parts. The second limit assembly 28 is set in the form of a 7-shaped bump 35 and a 7-shaped bump 34 on the reverse side. When the hole-punch punch 25 is pressed to the concave template 6, it cooperates to press both sides of the plate to be holed. , to prevent the bending and deformation of the plates on both sides during the process of drawing holes, which will affect the quality of the parts.

Referring to Figure 8, the V-shaped bending mechanism includes a V-shaped punching concave block 19 arranged on the upper die and a V-shaped wedge protrusion 29 correspondingly arranged on the lower die; the V-shaped punched concave block 19 passes through the stripper plate 5 in sequence And the stop plate 4 is fixed on the lower surface of the upper clamping plate 3, and the left and right sides of the V-shaped stamping concave block 19 are provided with limiting protrusions 18.

Referring to Fig. 6, the leveling mechanism includes a pilot pin 20, a pilot bump 31, and a fixing seat 30, and the pilot pin 20 is fixed on the stripper plate 5, and the upper end of the pilot pin 20 is connected to the stop plate. 4 offset; the fixed base 30 is set on the concave template 6, and the fixed base 30 is provided with a pilot bump 31 that cooperates with the pilot pin 20. When performing the leveling process, the stripper plate 5 drives the guide pin 20 to press down on the concave template 6, and one end surface of the guide pin 20 is in contact with an end surface of the guide bump 31 to form a 90° angle limiting space, thereby The position of the parts placed on the guiding bump 31 is adjusted under the limit action of the limit space, so as to prepare for the cutting of the next process.

Referring to shown in Figure 7, the cutting mechanism includes a cutting groove, a cutting insert 23 and a return spring 15; 23 , the lower surface of the cutting insert 23 is set against the return spring 15 , and the lower end of the return spring 15 is set against the lower mold base 8 .

Below in conjunction with Fig. 1, Fig. 2, Fig. 4 describe the processing flow of the present utility model to be:

For blanking, place a plate of suitable size on the feeding device 11, enter the mold body under the action of the feeding device 11 for sequential processing, and realize stamping of the plate through the clamping of the upper mold and the lower mold. The hardware parts produced by the utility model are left-right symmetrical parts, therefore, the first punching mechanism, the second punching mechanism, the first pumping hole mechanism, the third punching mechanism, and the edge trimming mechanism set inside the mold body according to the processing procedures , surface pressing mechanism, second hole-drawing mechanism, V-shaped bending mechanism, shaping mechanism, leveling mechanism and cutting mechanism are all arranged in the mold body in a left-right symmetrical manner.

First step to the first punching mechanism 12 to punch out the hole 39, then step to the second punching mechanism 13 to punch out the hole 36, then step to the second hole-drawing mechanism to carry out the hole-drawing action on the hole 39 to make the hole 24 , then step to the third punching mechanism to punch out the hole 40, then step to the trimming mechanism to cut out the shape of the part, then step to the surface pressing mechanism 27 to remove the batch front of the plate, and then step to the second hole-drawing mechanism Hole 38 is made by drawing holes, then step into the V-shaped bending mechanism to perform V-shaped bending of the plate with a set curvature, then step into the shaping mechanism to perform surface shaping on the plate after V-shaped bending, and then step Enter the leveling mechanism to adjust the angle of the plate placed in the mold body, and finally, step into the cutting mechanism to cut off the hardware parts from the plate to obtain a complete slender hardware. Realize multi-process and adopt multi-mechanism step-by-step continuous production, which has high production efficiency and saves labor costs; each mechanism is set through precise positioning, so that the precision of hardware parts is high and the yield rate is high.

The above embodiments only show and describe the basic principles, main features and advantages of the present utility model. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims (9)

1. a diel for elongated handware, including die ontology and feed arrangement (11), described die ontology includes Mould and lower mold, described feed arrangement (11) is arranged on lower mold feed end, and described upper mold is disposed with cope match-plate pattern from top to bottom (1), upper padding plate (2), train wheel bridge (3), baffle plate (4) and stripper plate (5), described lower mold is disposed with bottom plate from bottom to up (10), feet (9), die shoe (8), lower bolster (7) and concave template (6), it is characterised in that: according to processing in described die ontology Operation is disposed with the first punch mechanism (12), the second punch mechanism (13), first takes out holes mechanism, the 3rd punch mechanism (41), trimming mechanism (37), face press mechanism (27), second take out holes mechanism, V-type bending mechanism, reshaping device, straightening mechanism and cut Breaking mechanism.

The diel of a kind of elongated handware the most according to claim 1, it is characterised in that: described first takes out holes mechanism Fix seat (42) including back-moving spring (15), thimble (16), crowded convex-concave groove (26), lower mold floating block (21), drift, take out hole drift (25) and floating pin (22), described crowded convex-concave groove (26) is arranged on stripper plate (5), is provided with top in described crowded convex-concave groove (26) Pin (16), described thimble (16) is offseted with cope match-plate pattern (1) by back-moving spring (15), and described drift is fixed seat (42) and is fixed on recessed In template (6), what seat (42) fixed by described drift is provided above lower mold floating block (21), and one end of seat (42) fixed by described drift Be fixedly installed run through lower mold floating block (21) take out hole drift (25), described drift is fixed the other end of seat (42) and is provided through The floating pin (22) of seat (42) fixed by drift, and one end of this floating pin (22) is connected with lower mold floating block (21), this floating pin (22) The other end be connected with back-moving spring (15), the lower end of described back-moving spring (15) offsets with die shoe (8).

The diel of a kind of elongated handware the most according to claim 1, it is characterised in that: described second takes out holes mechanism Including back-moving spring (15), thimble (16), take out hole drift (25), material returning sleeve, described in take out hole drift (25) and pass through the most successively Wearing off flitch (5), baffle plate (4), train wheel bridge (3), upper padding plate (2) and cope match-plate pattern (1), described material returning sleeve is arranged on concave template (6) in, being provided with thimble (16) in described material returning sleeve, material returning sleeve and back-moving spring (15) phase are run through in the lower end of described thimble (16) Supporting, the lower end of described back-moving spring (15) offsets with die shoe (8).

The diel of a kind of elongated handware the most according to claim 1, it is characterised in that: described V-type bending mechanism Including being arranged on V-type punching press concave block (19) of upper mold and being correspondingly arranged at V-type wedge projection (29) of lower mold；Described V-type is rushed Indentation block (19) sequentially passes through stripper plate (5) and baffle plate (4) is fixed on the lower surface of train wheel bridge (3), described V-type punching press concave block (19) the left and right sides is provided with spacing block set (18).

The diel of a kind of elongated handware the most according to claim 1, it is characterised in that: described straightening mechanism includes Pilot pin (20), correcting projection (31), fixing seat (30), described pilot pin (20) is fixed on stripper plate (5), this pilot pin (20) upper end offsets with baffle plate (4)；Described fixing seat (30) is arranged on concave template (6), and described fixing seat (30) sets It is equipped with the correcting projection (31) matched with pilot pin (20).

The diel of a kind of elongated handware the most according to claim 1, it is characterised in that: described shut-off mechanism includes Cut groove, cut insert (23) and back-moving spring (15)；The described groove that cuts runs through concave template (6) and lower bolster (7), described sanction Be provided with in grooving and cut insert (23), described in cut the lower surface of insert (23) and offset and be provided with back-moving spring (15), described The lower end of back-moving spring (15) and die shoe (8) offset setting.

The diel of a kind of elongated handware the most according to claim 1, it is characterised in that: described feed arrangement (11) It is set to step device.

The diel of a kind of elongated handware the most according to claim 2, it is characterised in that: described lower mold floating block (21) The upper surface place corresponding with taking out hole drift (25) be provided with the first limit assembly (14)；Described first limit assembly (14) Including being arranged on the L-type projection (32) and being correspondingly arranged at taking out hole drift (25) right side takes out hole drift (25) left side and L-type Projection (32) is mirrored into reverse side L-type projection (33) of relation, is formed between described L-type projection (32) and reverse side L-type projection (33) Spacing space.

The diel of a kind of elongated handware the most according to claim 1, it is characterised in that: described stripper plate (5) The lower surface place corresponding with taking out hole drift (25) is provided with the second limit assembly (28)；Described second limit assembly (28) is wrapped Include be arranged on take out that the 7 font projections (35) and being correspondingly arranged in hole drift (25) left side take out hole drift (25) right side with 7 words Type projection (35) is mirrored into the reverse side 7 font projection (34) of relation, described 7 font projections (35) and reverse side 7 font projection (34) Between form spacing space.