CN214866572U

CN214866572U - Quick die change device

Info

Publication number: CN214866572U
Application number: CN202120814148.4U
Authority: CN
Inventors: 蔡子祥; 魏龙; 梅伟伟; 潘永前
Original assignee: Wuxi Putian Iron Core Co Ltd
Current assignee: Wuxi Putian Iron Core Co Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-26
Anticipated expiration: 2031-04-16

Abstract

The utility model relates to a quick die change device, include: the upper die assembly comprises an upper die base, the upper die base is connected with an upper die pressing block, the upper end of the upper die pressing block is connected with an upper die jackscrew, and the lower end of the upper die pressing block is connected with an upper punching die; the lower die assembly comprises a lower die base, a lower die adapter is arranged on the lower die base, a lower die adapter pressing block is arranged on a boss of the lower die adapter, and a circular ring clamping groove is formed at the joint of the lower die adapter pressing block and the lower die adapter; the material returning component comprises a material returning plate, and the material returning plate is connected with a material returning ring through a clamping groove.

Description

Quick die change device

Technical Field

The utility model belongs to the technical field of the iron core is cut violently, concretely relates to quick die change device.

Background

In the prior art, after an electrical steel sheet punching die is worn, the die needs to be replaced manually. The manual die replacement cannot be quickly and accurately positioned, the position of the die needs to be continuously aligned and debugged, and the production period and the production cost of the product are increased. In the alignment and debugging process, due to the fact that no reference exists, workers need to repeatedly fine adjust the position of the lower die, the time consumption of the process is long, and whether the die is aligned or not can be judged by the aid of abundant experience of operators. After the alignment and debugging are completed, certain displacement may occur in the lower die in the process of screwing the bolt to fix the lower die, so that the upper punching die and the lower punching die are difficult to align, the time for installing the die is long, and the abrasion of the die is accelerated or even the die is directly damaged after the equipment is started.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the purpose of the present disclosure is to provide a rapid die change device and method, which can realize rapid self-positioning of an upper die assembly and a lower die assembly and realize accurate alignment of an upper punch die and a lower punch die.

In order to achieve the above purpose, the present disclosure provides the following technical solutions:

a quick die change device comprising:

the upper die assembly comprises an upper die base, the upper die base is connected with an upper die pressing block, the upper end of the upper die pressing block is connected with an upper die jackscrew, and the lower end of the upper die pressing block is connected with an upper punching die;

the lower die assembly comprises a lower die base, a lower die adapter is arranged on the lower die base, a lower die adapter pressing block is arranged on a boss of the lower die adapter, and a circular ring clamping groove is formed at the joint of the lower die adapter pressing block and the lower die adapter;

the material returning component comprises a material returning plate, and the material returning plate is connected with a material returning ring through a clamping groove.

Preferably, be equipped with the through-hole in lower mould base and the lower mould adapter, be provided with the lower mould locating lever in the through-hole, the up end of lower mould locating lever contacts with the bottom of die down, through adjusting the levelness of die down of lower mould locating lever adjustment.

Preferably, the boss on the lower die adapter is further provided with an anti-collision block.

Preferably, the lower die adapter pressing block is detachable.

Preferably, the material returning ring comprises an inner ring and an outer ring, the inner ring and the outer ring are concentrically arranged, the diameter of the inner ring is the same as that of the upper punching die, and the diameter of the outer ring is the same as that of the lower punching die.

Preferably, the apparatus further comprises a calibration bar for calibrating the upper and lower die assemblies.

Compared with the prior art, the beneficial effect that this disclosure brought does:

1. the operation is light, the assembly accuracy of the upper punch die and the lower punch die is high, and the configuration efficiency is high.

2. The problems of low labor efficiency, high labor intensity and potential safety hazard in manual die replacement are solved.

Drawings

FIG. 1 is a schematic structural diagram of a self-positioning rapid film switching apparatus according to an embodiment of the present disclosure;

fig. 2(a) to 2(b) are schematic structural views of an upper die assembly according to another embodiment of the present disclosure, wherein fig. 2(a) is a front view and fig. 2(b) is a rear view;

fig. 3(a) to 3(b) are schematic structural views of a lower die assembly according to another embodiment of the present disclosure, wherein fig. 3(a) is a front view and fig. 3(b) is a rear view;

FIG. 4 is an elevation view of a material return assembly provided by another embodiment of the present disclosure;

FIG. 5 is a schematic view of a calibration bar provided by another embodiment of the present disclosure;

fig. 6(a) to 6(b) are schematic diagrams of a fast calibration provided by another embodiment of the present disclosure;

the reference numbers in the figures are as follows:

1. an upper die component (1-1, an upper die pressing block; 1-2, an upper die jackscrew; 1-3, an upper die base); 2. the lower die component (2-1, lower die adapter; 2-2, lower die adapter compact block; 2-3, lower die base; 2-4, lower die positioning rod; 2-5, anti-collision block); 3. the material returning component (3-1, material returning plate; 3-2, material returning ring; 3-3, material pressing block; 3-4, material returning bracket); 4. a calibration bar; 5. putting a die on the die; 6. and (5) a lower die.

Detailed Description

Specific embodiments of the present disclosure will be described in detail below with reference to fig. 1 to 6 (b). While specific embodiments of the disclosure are shown in the drawings, it should be understood that the disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It should be noted that certain terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, various names may be used to refer to a component. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The description which follows is a preferred embodiment of the invention, but is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present disclosure is to be determined by the terms of the appended claims.

To facilitate an understanding of the embodiments of the present disclosure, the following detailed description is to be considered in conjunction with the accompanying drawings, and the drawings are not to be construed as limiting the embodiments of the present disclosure.

In one embodiment, as shown in fig. 1-4, the present disclosure provides a rapid die change device, comprising:

the upper die assembly 1 comprises an upper die base 1-3, the upper die base 1-3 is connected with an upper die pressing block 1-1, the upper end of the upper die pressing block 1-1 is connected with an upper die jackscrew 1-2, and the lower end of the upper die pressing block 1-1 is connected with an upper die 5;

the lower die assembly 2 comprises a lower die base 2-3, a lower die adapter 2-1 is arranged on the lower die base 2-3, a lower die adapter pressing block 2-2 is arranged on a boss on the lower die adapter 2-1, and a circular clamping groove is formed at the joint of the lower die adapter pressing block 2-2 and the lower die adapter 2-1;

the material returning component 3 comprises a material returning plate 3-1, and the material returning plate 3-1 is connected with a material returning ring 3-2 through a clamping groove.

In the upper die assembly 1, an upper die base 1-3 comprises a front upper end surface and a front lower end surface, wherein a semicircular groove is formed in the front lower end surface. The upper die pressing block 1-1 is connected with the front lower end face of the upper die base 1-3 through the hexagonal bolt, the upper end of the upper die pressing block 1-1 is in threaded connection with an upper die jackscrew 1-2, the lower end of the upper die pressing block 1-1 is connected with an upper stamping die 5, when the upper stamping die 5 is worn and shortened, the upper die pressing block 1-1 needs to be firstly detached from the upper die base 1-3, and then the upper stamping die 5 extends to the position of a lower stamping die 6 until the standard length is reached by adjusting the upper die jackscrew 1-2.

In the lower die assembly 2, a lower die base 2-3 is a hexahedron with a threaded hole in the middle, a lower die adapter 2-1 is a cuboid with a semicircular opening (the semicircular diameter is the same as the outer diameter of a lower die), a lower die adapter pressing block 2-2 is a cuboid with a semicircular opening (the semicircular diameter is the same as the outer diameter of the lower die), the lower die adapter 2-1 is connected to the upper end face of the lower die base 2-3 through a hexagonal bolt, and the lower die adapter pressing block 2-2 is connected to the front end face of the lower die adapter 2-1 through a hexagonal bolt.

In the material returning component 3, a material returning plate 3-1 is a cuboid with a U-shaped hole in the middle, and the side surface of a material returning ring 3-2 is a tubular body with a groove. The material returning component further comprises a material pressing block 3-3 and a material returning support 3-4, wherein the material returning support 3-4 is an L-shaped body, the side face of a long end of the L-shaped body is provided with two long notches, and the bottom face of a short end of the L-shaped body is provided with 2 threaded openings and is connected with the punch body through a hexagon bolt. The material returning plate 3-1 is connected to the short bottom surface of the material returning bracket 3-4 through a hexagon bolt. The material pressing block 3-3 is connected to the lower bottom surface of the material returning plate 3-1 through a hexagon bolt, and the material returning ring 3-2 is connected with the material returning plate 3-1 through a U-shaped clamping groove in the middle of the material returning plate 3-1.

In the prior art, after a die is replaced, the relative positions of an upper punching die and a lower punching die need to be manually debugged, and the problem that the upper punching die and the lower punching die are difficult to align is often caused by errors caused by manual adjustment, so that the working efficiency is influenced. This embodiment is through designing a material returned subassembly, can make upper punch die and lower punch die realize concentric assembly in the short time, can solve the problem that upper and lower punch die that exists is difficult to aim at among the prior art, promotes the operating efficiency.

In another embodiment, through holes are formed in the lower die base 2-3 and the lower die adapter 2-1, lower die positioning rods 2-4 are arranged in the through holes, the upper end faces of the lower die positioning rods 2-4 are in contact with the bottom end of the lower punching die, and the levelness of the lower punching die 6 is adjusted by adjusting the lower die positioning rods 2-4.

In the embodiment, one end of the lower die positioning rod 2-4 is connected with the bottom of the lower punch 6 through the through hole, the other end of the lower die positioning rod 2-4 is connected with the knob, when the lower punches of different sizes need to be replaced or the lower punches are damaged, the lower die adapter pressing block 2-2 is firstly detached from the anti-collision block, a new lower punch is arranged in the circular groove, and then the lower die positioning rod 2-4 is finely adjusted through the knob until the upper surface of the lower punch is parallel to the upper surface of the circular groove.

In another embodiment, an anti-collision block 2-5 is further arranged on a boss of the lower die adapter 2-1.

In this embodiment, as can be seen from fig. 3(a), the upper boss of the lower die adapter is provided with the first and second anti-collision blocks, and the first and second anti-collision blocks are respectively arranged on two sides of the pressing block 2-2 of the lower die adapter, and the anti-collision blocks are designed to prevent materials from colliding with the lower die adapter in the operation process.

In another embodiment, the lower die adapter compact 2-2 is detachable.

In another embodiment, the material returning ring 3-2 comprises an inner ring and an outer ring, the inner ring and the outer ring are concentrically arranged, the diameter of the inner ring is the same as that of the upper punch 5, and the diameter of the outer ring is the same as that of the lower punch 6.

In the embodiment, after the lower punching die is installed, the material returning ring 3-2 and the upper punching die are clamped tightly through the inner ring of the material returning ring 3-2, then the material returning ring 3-2 and the upper die assembly are placed at the upper end of the lower punching die together, at the moment, the outer ring of the material returning ring 3-2 and the lower punching die are clamped tightly, and the inner ring and the outer ring are concentric, so that concentric assembly of the upper punching die and the lower punching die can be achieved through the material returning ring, the upper punching die can accurately fall into the lower punching die, and accurate punching operation can be performed on any material needing punching, including steel sheets.

In another embodiment, the apparatus further comprises a calibration bar 4 for calibrating the upper and lower die assemblies 1, 2.

In this embodiment, as shown in fig. 5, the calibration rod 4 is a segmented cylinder with different diameters of the upper and lower sections, wherein the diameter of the upper section cylinder is the same as the outer diameter of the upper punch, and the diameter of the lower section cylinder is the same as the outer diameter of the lower punch. As shown in fig. 6(a) to 6(b), the upper section of the calibration rod 4 is fixed in the upper die pressing block 1-1, the position of the lower die adapter 2-1 is adjusted to make the lower end of the calibration rod 4 coincide with the arc of the lower die adapter 2-1, the lower die adapter 2-1 is fixed, the lower die adapter pressing block 2-2 is locked, the lower die base 2-3 is fixed, and the positioning is finished. And (3) loosening the upper die pressing block 1-1 and the lower die adapter pressing block 2-2, taking out the calibration rod 4, and installing the material returning ring 3-2, the upper punch 5 and the lower punch 6 to start production.

The foregoing describes the general principles of the present disclosure in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present disclosure are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present disclosure. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.

Claims

1. A rapid film exchange device, comprising:

2. The device of claim 1, wherein through holes are formed in the lower die base and the lower die adapter, lower die positioning rods are arranged in the through holes, the upper end surfaces of the lower die positioning rods are in contact with the bottom ends of the lower punching dies, and the levelness of the lower punching dies is adjusted by adjusting the lower die positioning rods.

3. The device of claim 2, wherein an anti-collision block is further arranged on the boss on the lower die adapter.

4. The apparatus of claim 1 wherein said drag die adapter hold down is removable.

5. The apparatus of claim 1, wherein the stripper ring comprises an inner ring and an outer ring, the inner and outer rings being concentrically arranged, the inner ring having a diameter that is the same as a diameter of the upper die, and the outer ring having a diameter that is the same as a diameter of the lower die.

6. The apparatus of claim 1, further comprising a calibration bar for calibrating the upper and lower die assemblies.