CN111069403A

CN111069403A - Rapid forming tearing and pressing claw die for manufacturing vent and tearing and pressing claw vent main body

Info

Publication number: CN111069403A
Application number: CN201911362670.7A
Authority: CN
Inventors: 盛斌; 李哲平; 杨建波; 徐天宇
Original assignee: Nanjing Toua Hardware & Tools Co ltd
Current assignee: Nanjing Toua Hardware & Tools Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-04-28
Anticipated expiration: 2039-12-26
Also published as: CN111069403B

Abstract

The invention relates to a rapid forming tearing and pressing claw die for manufacturing a vent and a tearing and pressing claw vent main body, belonging to the technical field of novel mechanical manufacturing. The tearing and pressing claw die consists of an upper die component and a lower die component; the upper die assembly comprises an upper die base, an upper fixing plate and an upper main inclined wedge, wherein the upper die base is provided with an upper stop baffle and an upper stripper plate, and the upper stop baffle is fixedly connected with the outer sliding block inclined wedge; the lower die component comprises a lower die seat and a lower main inclined wedge, the lower die seat is provided with a lower stop plate and a lower stripper plate, the lower stripper plate, an inner sliding seat and an outer sliding seat form a horizontal moving pair, the inner sliding seat is provided with a tearing-supporting bulge, an upper chamfer and a lower chamfer, and the outer sliding seat is provided with a telescopic stripper block and an upper cutting angle; when the upper die assembly and the lower die assembly are assembled, the inner sliding seat is shifted to the position where the top tearing bulge cuts and tears the wall of the main body cylinder of the vent to be processed from the inside to the outside to form the supporting claw, and the outer sliding seat is shifted to the position where the stripping block presses and holds the wall of the main body cylinder of the vent to be processed from the outside to the inside to form the supporting claw. The invention has high production efficiency and good consistency and can ensure the manufacturing quality.

Description

Rapid forming tearing and pressing claw die for manufacturing vent and tearing and pressing claw vent main body

Technical Field

The invention relates to a rapid forming tearing and pressing claw die for manufacturing a vent, and also relates to a tearing and pressing claw vent main body manufactured by the same, belonging to the technical field of novel mechanical manufacturing.

Background

To the knowledge of the applicant, the cylindrical vent main body (see fig. 1 and 2) is an important component in the ventilation engineering, and the supporting claws on the outer wall of the cylinder body are required to be clamped on the hole wall of the mounting hole so as to ensure the reliable positioning after being inserted into the mounting hole.

For a long time, the support claws on the cylindrical outer wall of the main body of the vent are all manufactured in a connection mode of welding, riveting and the like, so that the efficiency is low, the labor and the material are wasted, and the quality is difficult to guarantee.

Disclosure of Invention

The invention aims to: the rapid forming tearing and pressing claw die capable of efficiently and high-quality manufacturing the vent is provided, and meanwhile, a tearing and pressing claw vent main body manufactured by the die is provided.

In order to achieve the purposes, the basic technical scheme of the quick forming tearing and pressing claw die for manufacturing the vent comprises the following steps: consists of an upper die assembly and a lower die assembly;

the upper die assembly comprises an upper fixing plate fixed on the lower surface of an upper die base and an upper main inclined wedge fixed in the middle of the upper die base and provided with an outward pushing lower inclined plane, the upper die base is provided with an upper stop plate forming a moving pair with the upper die base through a vertical guide pillar, the lower surface of the upper stop plate is fixed with an upper stripper plate of a workpiece positioning ring in the middle, and the upper stop plate is fixedly connected with an outer sliding block inclined wedge provided with an inward pushing lower inclined plane;

the lower die component comprises a lower fixing plate fixed on the upper surface of the lower die base and a lower main inclined wedge which is fixed in the middle of the lower die base and provided with an outward pushing inclined plane, the lower die base is provided with a lower stop plate which forms a moving pair with the lower die base through a vertical guide column, the upper surface of the lower stop plate is fixed with a lower stripper plate of which the middle part is provided with a product positioning block, the lower stripper plate and the inner slide seat and the outer slide seat which are respectively positioned inside and outside the main body of the vent to be processed form a horizontal moving pair, the inner sliding seat and the outer sliding seat are respectively restricted by the inner reset mechanism and the outer reset mechanism, the inner sliding seat is provided with a top tearing bulge matched with the inner shape of the supporting claw of the vent main body and an upper chamfer and a lower chamfer respectively corresponding to the outer push upper inclined plane and the outer push lower inclined plane, the outer sliding seat is provided with a telescopic stripping block with an extension end matched with the shape of the supporting claw of the vent main body and an upper cutting angle corresponding to the inner pushing lower inclined plane;

when the upper die assembly and the lower die assembly are in a die closing state, the inner pushing lower inclined plane acts on the upper cutting angle to enable the outer sliding seat to be shifted to a position where the stripping block presses the supporting claw on the wall of the main body cylinder of the vent to be processed from outside to inside, and the outer pushing upper inclined plane and the outer pushing lower inclined plane respectively act on the upper chamfer and the lower chamfer to enable the inner sliding seat to be shifted to a position where the top tearing bulge tears the supporting claw by tearing the main body cylinder of the vent to be processed from inside to outside;

when the upper die assembly and the lower die assembly are in a die splitting state, the inner sliding seat is located at an inner reset position where an outer pushing inclined plane and an outer pushing inclined plane are separated from an upper chamfer and a lower chamfer respectively, and the top tearing bulge is separated from the supporting claw, and the outer sliding seat is located at an outer reset position where an inner pushing inclined plane is separated from an upper chamfer and the stripping block is separated from the supporting claw.

The tearing-pressing claw vent main body manufactured by adopting the rapid forming tearing-pressing claw die comprises a cylindrical barrel, wherein the side wall of the barrel is provided with a connected supporting claw formed by tearing, so that the tearing-pressing claw vent main body is obviously higher in production efficiency and better in consistency than like products welded and riveted, and the manufacturing quality can be ensured.

Drawings

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

Fig. 1 is a schematic view of a typical structure of a vent body.

Fig. 2 is a bottom view of fig. 1.

Fig. 3 is a schematic structural diagram of an open state according to an embodiment of the present invention.

Fig. 4 is a schematic top view of the embodiment shown in fig. 3.

Fig. 5 is a schematic perspective exploded view of the upper mold assembly of the embodiment of fig. 3.

Fig. 6 is a schematic perspective exploded view of the lower mold assembly of the embodiment of fig. 3.

Fig. 7 to 9 are schematic views illustrating a process of punching the tearing claws of the embodiment of fig. 3.

Example one

The basic structure of the rapid prototyping tear-off jaw mold for manufacturing the vent of this embodiment is shown in fig. 3 and 4, and is composed of an upper mold assembly and a lower mold assembly. The upper die assembly and the lower die assembly are respectively provided with three tearing claw structures which are circumferentially and uniformly distributed and correspond up and down.

As can be seen by combining the figure 4, the upper die assembly comprises an upper fixing plate 22 fixed on the lower surface of an upper die holder 21 and an upper main inclined wedge 28 fixed in the middle of the upper die holder 21 and provided with a triangular pyramid-shaped outer pushing lower inclined surface 28-1, the upper die holder 21 is provided with an upper stop plate 23 which forms a moving pair with the upper die holder through a vertical guide pillar 25 and is limited through a hoisting screw, an upper stripper spring 26 is arranged between the upper die holder 21 and the upper stop plate 23, the lower surface of the upper stop plate 23 is fixed with an upper stripper plate 24 provided with a workpiece positioning ring 29 in the middle, and the upper stop plate 23 is fixedly connected with three outer sliding block inclined wedges 27 which are uniformly distributed on the circumference. The lower end of the workpiece positioning ring 29 is matched with a port hole of the vent main body 1 to be processed, and the upper stripper plate 24 is provided with a positioning recess 24-1 matched with the excircle of the end of the vent main body 1 to be processed.

As can be seen by combining the figure 5, the lower die component comprises a lower fixing plate 12 fixed on the upper surface of a lower die seat 14 and a lower main inclined wedge 18 fixed in the middle of the lower die seat 14 and provided with a triangular pyramid-shaped outer pushing upper inclined surface 18-1, the lower die seat 14 is provided with a lower stop plate 11 which forms a moving pair with the lower guide column 15 through a vertical guide and is limited by a mounting screw, the upper surface of the lower stop plate 11 is fixed with a lower stripper plate 10 of a product positioning block 20 in the middle, a lower stripper spring 16 is arranged between the lower die seat 14 and the lower stop plate 12, the lower stripper plate 10 is provided with a guide column sleeve 9 which forms a vertical moving pair with a guide column 25, three radial slide ways 14 are uniformly distributed on the upper surface in an embedded manner and form a horizontal moving pair with a matched inner slide seat 3 and an outer slide seat 4 which are respectively positioned inside and outside a vent main body 1 to be processed, three inner slide seats 3 uniformly distributed on the circumference are respectively inserted and fixed with tearing convex punch heads, the limiting pin 3-1 is inserted and restricted on the reset guide inclined plane 17-1 at the upper end of the inner sliding seat reset block 17 fixed on the lower die seat 14, so that an inner reset mechanism is formed by the inner sliding seat reset block 17 and the limiting pin 3-1; in addition, the inner slide has an upper chamfer 3-2 and a lower chamfer 3-3 corresponding to the outer push-up chamfer 18-1 and the outer push-down chamfer 28-1, respectively.

The outer side of the outer sliding seat 6 is limited on a stop dog 7 fixed on a lower stripper plate 10, the stop dog 7 is penetrated with a horizontal screw 8 with a spring, the inner end of the horizontal screw is connected with the outer sliding seat 6, thereby forming an outer reset mechanism for restraining the outer sliding seat 6, the outer sliding seat 6 is also provided with a stripper block 4, the extending end of which forms a horizontal moving pair is matched with the shape of a supporting claw of a main body of the ventilation opening, the outer end of the stripper block 4 is abutted against a stripper spring, thereby being elastically telescopic, and the outer sliding seat 6 is provided with an upper cutting angle 6-1 corresponding to an inner pushing lower inclined plane 27-1. The product positioning block 20 is provided with an arc-shaped surface matched with the inner circle of the cylinder body of the vent main body 1 to be processed and a bulge for clamping the port hole of the vent main body 1 to be processed.

After the vent main body 1 to be processed is buckled on the product positioning block 20 in position, when the upper die assembly and the lower die assembly are relatively close to each other in the moving process, the inner push-down inclined planes 27-1 of the three outer slide wedges 27 act on the upper tangent angle 6-1 of the corresponding outer slide 6 first and push the outer slide 3 inwards (see figure 7), then the stripping blocks 4 of the three outer sliding seats 6 are retracted from the outward to the inward to touch the supporting claw position of the wall of the main body of the vent to be processed (see figure 8), and then when the fully-closed state is reached, the outward pushing upper inclined plane 28-1 of the upper main inclined wedge 28 and the outward pushing lower inclined plane 18-1 of the lower main inclined wedge 18 respectively act on the upper chamfer 3-2 and the lower chamfer 3-3 of the three inner sliding seats 3 at the same time, so that the inner sliding seats 3 are outwards displaced to the tearing bulge of the piercing punch 2, and the barrel wall of the vent main body 1 to be processed is torn by inward and outward top cutting to form three supporting claws (see fig. 9).

After the three tearing claws of the ventilation opening are quickly formed, the upper die assembly and the lower die assembly relatively move in a separating mode (see figure 3), the inner sliding seat 3 is located at an inner reset position where an outer pushing inclined plane 28-1 and an outer pushing inclined plane 18-1 respectively leave an upper chamfer 3-2 and a lower chamfer 3-2, the tearing-pushing bulge leaves the supporting claw, and the outer sliding seat 6 is located at an outer reset position where an inner pushing inclined plane 27-1 leaves an upper chamfer 6-1, and the stripping block 4 leaves the supporting claw after being ejected out of the supporting claw. Finally, the vent main body with the side wall of the cylinder body provided with the connected supporting claw formed by tearing at the top can be manufactured as shown in fig. 1 and fig. 2.

Adopt the quick shaping of this embodiment to tear and press the claw mould and make vent main part, with the help of inside and outside carve and the cooperation of corresponding slider to one side, convert the up-and-down motion of upper and lower mould subassembly into horizontally inside and outside motion to the ingenious die-cutting who props the claw tears the shaping, and the three-jaw simultaneous forming, not only efficiency is very high, and the mould atress is balanced moreover, has effectively guaranteed the uniformity of product quality. In addition, the unique inner sliding seat resetting mechanism has compact structure, reliable action and convenient maintenance.

In addition to the embodiments described above, the present invention may have other variations. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the present invention.

Claims

1. A rapid forming tearing and pressing claw die for manufacturing a vent consists of an upper die assembly and a lower die assembly; the method is characterized in that:

2. The rapid prototyping tear-and-press jaw die for manufacturing vents as set forth in claim 1 wherein: the inner reset mechanism is composed of an inner sliding seat reset block which is fixed on the lower die seat and provided with a reset guide inclined plane at the upper end and a limiting pin inserted in the inner sliding seat.

3. The rapid prototyping tear-and-press jaw die for manufacturing vents as set forth in claim 2 wherein: the outer reset mechanism is composed of a stop block which is fixed on the lower stripper plate and positioned on the outer side of the outer sliding seat, and a horizontal screw with a spring, which is arranged in the stop block in a penetrating way, and the inner end of the horizontal screw is connected with the outer sliding seat.

4. The rapid prototyping tear-and-press jaw die for manufacturing vents as set forth in claim 3 wherein: the inner sliding seat is fixedly inserted into the piercing punch head which forms the top tearing bulge.

5. The rapid prototyping tear-and-press jaw die for manufacturing vents as set forth in claim 4 wherein: the outer sliding seat is provided with a stripping block which forms a horizontal moving pair with the outer sliding seat, and the outer end of the stripping block is abutted against a stripping spring.

6. The rapid prototyping tear-and-press jaw die for manufacturing vents as set forth in claim 5 wherein: the upper die assembly and the lower die assembly are respectively provided with three tearing claw structures which are uniformly distributed on the circumference and correspond up and down, the upper main inclined wedge is provided with a triangular pyramid-shaped outer pushing-down inclined plane, and the upper stop baffle is fixedly connected with three outer sliding block inclined wedges; the lower stripper plate is respectively matched with an inner sliding seat and an outer sliding seat to form a horizontal moving pair through three radial sliding ways uniformly distributed on the circumference of the lower stripper plate.

7. The rapid prototyping tear-and-press jaw die for manufacturing vents as set forth in claim 6 wherein: the lower end of the workpiece positioning ring is matched with an end hole of the vent main body to be processed, and the upper stripper plate is provided with a positioning recess matched with the excircle of the end of the vent main body to be processed; the product locating block is provided with an arc-shaped surface matched with the inner circle of the cylinder body of the vent main body to be processed and a protrusion for clamping the port hole of the vent main body to be processed.

8. A vent body formed by using the rapid prototyping tear-and-press claw die for manufacturing the vent according to any one of claims 1 to 7, wherein: the novel drum comprises a cylindrical drum body, wherein the side wall of the drum body is provided with a connected supporting claw formed by tearing at the top.