CN221231410U - Guide pillar type screw inner hexagonal hole stamping die - Google Patents

Abstract

The utility model discloses a guide pillar type screw inner hexagonal hole stamping die which comprises a lower die plate, a material supporting plate pressing plate, a sliding guide pillar, a sliding guide sleeve, an upper die plate, a male die, a discharging plate, an adjusting insert, a material supporting insert and a material supporting plate, wherein the material supporting insert is arranged in a groove of the lower die plate, the adjusting insert is arranged around the groove, the material supporting plate is arranged around the adjusting insert, and a bottom plate positioned in the groove is arranged below the material supporting plate; two material supporting plate pressing plates are arranged on the left side and the right side of the material supporting plate, and one end of each material supporting plate pressing plate is pressed on the bottom plate of the material supporting plate; two sides of the material supporting insert are provided with two supporting sleeves on the material supporting plate pressing plate, and the two supporting sleeves are provided with discharge plates; an upper template is arranged above the stripper plate, the rear side of the supporting sleeve is provided with two sliding guide sleeve guide columns between the lower template and the upper template; a male die is arranged at the bottom of the upper die plate and penetrates through the center of the stripper plate in a matched manner. The utility model can improve the reliability of the punch, change the uncertainty of the hexagonal direction of the punch and improve the positioning accuracy.

Description

Guide pillar type screw inner hexagonal hole stamping die

Technical Field

The utility model relates to a guide post type screw inner hexagonal hole stamping die, and belongs to the technical field of stamping.

Background

The original screw inner hexagonal hole stamping die is formed by stamping a screw inner hexagonal hole through a male die, a material supporting lantern ring, a discharging plate and a positioning and clamping device, the male die is quickly replaced by screwing the male die, fine adjustment center positioning is achieved through the screw, but uncertainty exists in the hexagonal direction due to machining errors of male die threads and different screwing degrees of operators, the die structure needs fine adjustment positioning again during secondary stamping, accurate positioning of secondary stamping cannot be achieved, and displacement is generated due to impact vibration during discharging, so that the requirement on clamping of an upper die and a lower die is high.

Disclosure of utility model

In order to overcome the defects of the prior art, the utility model provides a guide pillar type screw inner hexagonal hole stamping die, which can improve the reliability of the stamping die, change the uncertainty of the hexagonal direction of a male die, improve the positioning accuracy, reduce the production difficulty and improve the production efficiency.

The technical scheme adopted for solving the technical problems is as follows: the guide post type screw inner hexagonal hole stamping die comprises a lower die plate, a material supporting plate pressing plate, a sliding guide post, a sliding guide sleeve, an upper die plate, a male die, a stripper plate, an adjusting insert, a material supporting insert and a material supporting plate, wherein a groove is formed in the middle position of the front side of the lower die plate, a material supporting insert is arranged in the groove, a circle of adjusting insert is arranged around the material supporting insert, a gap is reserved between the adjusting insert and the material supporting insert, a circle of material supporting plate is arranged around the adjusting insert, a half circle of convex bottom plate is arranged below the rear half part of the material supporting plate, and the bottom plate is positioned in the groove; two material supporting plate pressing plates are arranged on the left side and the right side of the material supporting plate, and one end, close to the material supporting insert, of each material supporting plate pressing plate is pressed on a bottom plate of the material supporting plate; two vertical supporting sleeves are arranged on the left side and the right side of the material supporting insert, a stripper plate is arranged on the two supporting sleeves, and bolts pass through the stripper plate and the inside of the supporting sleeves in a matching manner and are in threaded connection with the lower template; an upper template is arranged above the stripper plate, the rear side of the supporting sleeve is provided with two sliding guide posts, two sliding guide sleeves are arranged below the upper template at positions corresponding to the two sliding guide posts, and the sliding guide sleeves are connected with the sliding guide posts in a matched manner; a male die is arranged at the bottom of the upper die plate and is fixed with the upper die plate through a pressing plate and a screw a; a discharging insert is arranged at the center of the discharging plate right below the male die, and is fixed with the discharging plate through a screw b; the lower half of the punch fits through the center of the discharge insert.

Two adjusting screws in the horizontal direction are arranged in the four vertical faces of the adjusting insert above the material supporting plate, and the adjusting screws jack the material supporting insert tightly; the left side and the right side of the adjusting insert are fixedly connected with the material supporting plate through anti-falling screws in the horizontal direction; the end of the material supporting plate pressing plate, which is close to the material supporting insert, and the groove of the lower template form a slideway, and the bottom plate of the material supporting plate is matched in the slideway.

The beneficial effects of the utility model are as follows: the utility model can meet the requirements of quick and accurate positioning of the production of the inner corner holes of screws with different specifications, effectively improves the stability and reliability of the upper die and the lower die in the punching process, realizes quick and accurate positioning of secondary punching, reduces the production cost, improves the production efficiency and ensures the quality of products.

Drawings

The utility model is further described below with reference to the drawings and the detailed description.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view in the direction a-a of fig. 1.

Fig. 3 is a schematic view of the tray of the present utility model.

Fig. 4 is a top view of fig. 3.

Fig. 5 is a side view of fig. 3.

Reference numerals in the drawings:

1. the lower die plate, 2, a material supporting plate pressing plate, 3, a sliding guide post, 4, a sliding guide sleeve, 5, an upper die plate, 6, a pressing plate, 7, a male die, 8, a screw a,9, a screw b,10, a discharging insert, 11, a bolt, 12, a discharging plate, 13, a supporting sleeve, 14, an adjusting screw, 15, an anti-falling screw, 16, an adjusting insert, 17, a positioning part, 18, a material supporting insert, 19, a material supporting plate, 1901 and a bottom plate.

Detailed Description

As shown in fig. 1-5, a guide pillar type screw inner hexagonal hole stamping die comprises a lower die plate 1, a material supporting plate pressing plate 2, a sliding guide pillar 3, a sliding guide sleeve 4, an upper die plate 5, a male die 7, a discharging plate 12, an adjusting insert 16, a material supporting insert 18 and a material supporting plate 19, wherein a groove is formed in the middle position of the front side of the lower die plate 1, a material supporting insert 18 is arranged in the groove, a circle of adjusting insert 16 is arranged around the material supporting insert 18, a gap is reserved between the adjusting insert 16 and the material supporting insert 18, a circle of material supporting plate 19 is arranged around the adjusting insert 16, a half circle of convex bottom plate 1901 is arranged below the rear half part of the material supporting plate 19, and the bottom plate 1901 is positioned in the groove; two material supporting plate pressing plates 2 are arranged on the left side and the right side of the material supporting plate 19, and one end, close to the material supporting insert 18, of the material supporting plate pressing plates 2 is pressed on a bottom plate 1901 of the material supporting plate 19; two vertical supporting sleeves 13 are arranged on the left side and the right side of the material supporting insert 18, a stripper plate 12 is arranged on the two supporting sleeves 13, and bolts 11 pass through the stripper plate 12 and the inside of the supporting sleeves 13 in a matching manner and are in threaded connection with the lower die plate 1; an upper template 5 is arranged above the stripper plate 12, two sliding guide posts 3 are arranged on the lower template 1 at the rear side of the supporting sleeve 13, two sliding guide sleeves 4 are arranged below the upper template 5 at positions corresponding to the two sliding guide posts 3, and the sliding guide sleeves 4 are connected with the sliding guide posts 3 in a matched manner; a male die 7 is arranged at the bottom of the upper die plate 5 and is fixed with the upper die plate 5 through a pressing plate 6 and a screw a 8; a discharging insert 10 is arranged at the center of the discharging plate 12 right below the male die 7, and the discharging insert 10 is fixed with the discharging plate 12 through a screw b 9; the lower half of the punch 7 fits through the center of the discharge insert 10.

Two adjusting screws 14 in the horizontal direction are arranged in four vertical faces of the adjusting insert 16 above the material supporting plate 19, and the adjusting screws 14 tightly prop against the material supporting insert 18; the left and right sides of the adjusting insert 16 are fixedly connected with the material supporting plate 19 through the anti-falling screw 15 in the horizontal direction.

The end of the material supporting plate pressing plate 2, which is close to the material supporting insert 18, and the groove of the lower template 1 form a slideway, the bottom plate 1901 of the material supporting plate 19 is matched and positioned in the slideway, and the material supporting plate 19 can slide back and forth in the slideway formed by the material supporting pressing plate 2 and the lower template 1.

In the use process, the upper die plate 5, the male die 7, the lower die plate 1, the material supporting plate pressing plate 2, the discharging plate 12, the material supporting plate 19, the material supporting insert 18 and the like are assembled into an upper die and a lower die of the device through bolts 11 and screws, and the upper die and the lower die are assembled into an integral die through the sliding guide post 3 and the sliding guide sleeve 4, so that the influence on the quality of a workpiece and even the fracture of the male die due to the relative displacement of the upper die and the lower die caused by the factors such as vibration, clamping and the like in the working are avoided; positioning parts 17 with the same size as the hexagon circumscribing circle in the screw and the screw rod part are placed in a material supporting insert 18, the center of the upper die workpiece and the center of the lower die workpiece are aligned and adjusted through an adjusting screw 14, and the positioning parts 17 are punched through a male die 7; due to factors such as manufacturing errors, slight deviation between the center of the inner hexagonal hole and the center of the diameter of the head of the screw can occur in the first stamping, and fine adjustment is performed through the adjusting screw 14, so that optimal center positioning and locking are formed; when the screws with different specifications are required to be produced, the holding plate 19 is pulled away from the lower die plate 1 through the handle on the holding plate 19, the holding insert 18 and the adjusting insert 16 are detached through the anti-drop screw 15, but the holding insert 18 and the adjusting insert 16 which are locked cannot be disassembled and adjusted, so that readjustment and positioning during secondary punching are avoided.

The material supporting plate 19, the material supporting insert 18, the adjusting insert 16 and the adjusting screw 14 form a material supporting device of the positioning part 17, the material supporting device is designed into a push-pull slideway type and interchangeable independent positioning, the problem that fine adjustment of the center positioning is required due to secondary positioning is solved, and the stability and the reliability of an upper die and a lower die in the stamping process are improved; the male die is designed into a structure with fixed direction and a pressing plate fastened, so that the requirement of the punching hole shape on the direction in the punching process is met; the guide pillar and guide sleeve type structure improves the stability of the die, improves the positioning accuracy, can meet the requirements of quick and accurate positioning of the production of inner corner holes of screws with different specifications, and has the characteristics of high production efficiency, no potential safety hazard, small manufacturing difficulty, strong operability and the like.

Claims (4)

1. A guide pillar type screw inner hexagonal hole stamping die is characterized in that: the material supporting plate comprises a lower die plate (1), a material supporting plate pressing plate (2), a sliding guide post (3), a sliding guide sleeve (4), an upper die plate (5), a male die (7), a stripper plate (12), an adjusting insert (16), a material supporting insert (18) and a material supporting plate (19), wherein a groove is formed in the middle position of the front side of the lower die plate (1), a material supporting insert (18) is arranged in the groove, a circle of adjusting insert (16) is arranged around the material supporting insert (18), a circle of material supporting plate (19) is arranged around the adjusting insert (16), a half circle of convex bottom plate (1901) is arranged below the rear half part of the material supporting plate (19), and the bottom plate (1901) is positioned in the groove; two material supporting plate pressing plates (2) are arranged on the left side and the right side of the material supporting plate (19), and one end, close to the material supporting insert (18), of the material supporting plate pressing plates (2) is pressed on a bottom plate (1901) of the material supporting plate (19); two vertical supporting sleeves (13) are arranged on the left side and the right side of the material supporting insert (18), a stripper plate (12) is arranged on the two supporting sleeves (13), and bolts (11) pass through the stripper plate (12) and the inside of the supporting sleeves (13) in a matched manner and are in threaded connection with the lower die plate (1); an upper template (5) is arranged above the stripper plate (12), two sliding guide posts (3) are arranged on the lower template (1) at the rear side of the supporting sleeve (13), two sliding guide sleeves (4) are arranged below the upper template (5) at positions corresponding to the two sliding guide posts, and the sliding guide sleeves (4) are connected with the sliding guide posts (3) in a matched mode; a male die (7) is arranged at the bottom of the upper die plate (5) right above the material supporting insert (18), and the male die (7) is fixed with the upper die plate (5) through a pressing plate (6) and a screw a (8); a discharging insert (10) is arranged at the center of the discharging plate (12) under the male die (7), and the discharging insert (10) is fixed with the discharging plate (12) through a screw b (9); the lower half of the male die (7) fits through the center of the discharge insert (10).

2. The guide post type screw inner hexagonal hole die according to claim 1, wherein: two adjusting screws (14) in the horizontal direction are arranged above the material supporting plate (19) in four vertical faces of the adjusting insert (16), and the adjusting screws (14) jack the material supporting insert (18).

3. The guide post type screw inner hexagonal hole die according to claim 1, wherein: the adjusting insert (16) is fixed with the material supporting plate (19) through the anti-falling screw (15).

4. The guide post type screw inner hexagonal hole die according to claim 1, wherein: the end of the material supporting plate pressing plate (2) close to the material supporting insert (18) and the groove of the lower die plate (1) form a slideway, and the bottom plate (1901) of the material supporting plate (19) is matched and positioned in the slideway.