CN216656049U

CN216656049U - Double-opening 'bell' shaped die

Info

Publication number: CN216656049U
Application number: CN202123258532.XU
Authority: CN
Inventors: 吴志武; 黄天富; 周志森; 郭志伟; 詹文; 苏志生; 王春光; 阮聿津; 王铭
Original assignee: Fujian Power Supply Service Co ltd; State Grid Fujian Electric Power Co Ltd; Marketing Service Center of State Grid Fujian Electric Power Co Ltd
Current assignee: Fujian Power Supply Service Co ltd; State Grid Fujian Electric Power Co Ltd; Marketing Service Center of State Grid Fujian Electric Power Co Ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-03
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to a double-opening 'bell' -shaped die, which comprises a left pressing die and a right pressing die, wherein a U-shaped pressing die cavity and a square pressing die cavity are respectively arranged at the upper and lower positions of the middle of the right end of the left pressing die, an upper concave stripe is arranged at the left end of the right pressing die corresponding to the position of the U-shaped pressing die cavity, a lower concave stripe is arranged at the right end of the right pressing die corresponding to the position of the square pressing die cavity, after the left pressing die and the right pressing die are buckled, the U-shaped pressing die cavity and the upper concave stripe form a U-shaped pressing die cavity with a closed longitudinal space, and the square pressing die cavity and the lower concave stripe form a square pressing die cavity with a closed longitudinal space. The utility model has simple and reasonable structural design, replaces the traditional single-style cold pressing pliers, the wiring terminal extends into the pressing die cavities of the square opening and the U-shaped opening, the left pressing die and the right pressing die are connected with the wiring terminal through acting force, no burr is generated after the connection, the operation procedure of grinding the burr by using a file is reduced, the operation time is greatly reduced, and the working efficiency is improved.

Description

Double-opening 'bell' shaped die

Technical Field

The utility model relates to a double-opening 'bell' -shaped die.

Background

The extrusion die is called a pressing die for short, and the main mode of the low-pressure metering box switch construction operation connection is that the existing pressing die continuously uses the traditional single-style cold-pressing pliers, so that the defects of poor matching performance with a field wiring terminal, multiple carrying pressing dies, easy omission and loss and the like are overcome, and the wiring terminal is not tightly pressed due to the fact that the pressing dies are mixed and are difficult to align under the action of human force in the connection process. Before the exposed part of the compression joint is subjected to insulation treatment, burrs, sharp corners and sharp edges need to be polished to be smooth by a file, and if the burrs, the sharp corners and the sharp edges are not treated, the external insulation is easily damaged and broken during the insulation treatment. Therefore, the single-style cold pressing pliers are not high in crimping efficiency, and potential safety hazards in operation can exist.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide a double-opening 'bell' -shaped die which is reasonable in structural design, efficient and convenient.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a two mouthful of "bell" shape mould, includes left moulding-die and right moulding-die, the position is provided with U-shaped die cavity and square die cavity respectively about the centre of left moulding-die right-hand member, the right moulding-die left end corresponds U-shaped die cavity position and is provided with concave type stripe, corresponds square die cavity position and is provided with concave type stripe, U-shaped die cavity and concave type stripe form the die cavity that vertical space is the confined U-shaped, square die cavity and concave type stripe form vertical space and be the confined square die cavity after left moulding-die and right moulding-die lock.

Preferably, a convex block is fixedly arranged at the center position of the left end of the left pressing die, the convex block is in a cylinder-like shape, and an annular groove is arranged on the periphery of the convex block close to the end position.

Preferably, a convex block is fixedly arranged at the center position of the right end of the right pressing die, the convex block is in a cylinder-like shape, and an annular groove is arranged on the periphery of the convex block close to the end position.

Preferably, the U-shaped opening of the U-shaped die pressing cavity faces the right die and is a horn mouth, and the bottom of the U-shaped die pressing cavity is provided with upper convex stripes; the upper concave stripes and the upper convex stripes extend up and down, and the number of the upper concave stripes are a plurality of stripes which are uniformly distributed in the front and back and correspond to one another.

Preferably, the U-shaped opening of the square die pressing cavity faces the right die and is a horn mouth, and a lower convex stripe is arranged at the bottom of the square die pressing cavity; the concave stripes and the convex stripes extend up and down, and the number of the concave stripes and the convex stripes is a plurality of stripes which are uniformly distributed in the front and back and are in one-to-one correspondence.

Preferably, the two U-shaped inner side walls of the U-shaped die pressing cavity are provided with upward-outward-turning chamfers.

Preferably, the two U-shaped inner side walls of the square compression die cavity are provided with downward-outward-turning chamfers.

Compared with the prior art, the utility model has the following beneficial effects: the utility model has simple and reasonable structural design, replaces the traditional single-style cold pressing pliers, the wiring terminal extends into the pressing die cavities of the square opening and the U-shaped opening, the left pressing die and the right pressing die are connected with the wiring terminal through acting force, no burr is generated after the connection, the operation procedure of grinding the burr by using a file is reduced, the operation time is greatly reduced, and the working efficiency is improved.

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

Drawings

FIG. 1 is a schematic front view of an unmolded display according to an embodiment of the present invention.

FIG. 2 is a perspective view of an unmolded part according to the first embodiment of the present invention.

FIG. 3 is a second perspective view of the unmolded part according to the embodiment of the present invention.

FIG. 4 is a schematic side view of a left stamper in accordance with an embodiment of the present invention.

FIG. 5 is a schematic view of a mold clamping apparatus according to an embodiment of the present invention.

Detailed Description

The utility model is further explained below with reference to the drawings and the embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in fig. 1 to 5, this embodiment provides a double-opening "bell" shaped mold, including a left pressing mold 1 and a right pressing mold 2, where a U-shaped pressing mold cavity 101 and a square pressing mold cavity 102 are respectively disposed at upper and lower positions in the middle of the right end of the left pressing mold, an upper concave stripe 201 is disposed at the left end of the right pressing mold corresponding to the U-shaped pressing mold cavity, a lower concave stripe 202 is disposed at the right end of the right pressing mold corresponding to the square pressing mold cavity, and after the left pressing mold and the right pressing mold are fastened, the U-shaped pressing mold cavity and the upper concave stripe form a pressing mold cavity with a closed U-shaped longitudinal space, the square pressing mold cavity and the lower concave stripe form a square pressing mold cavity with a closed longitudinal space, and the inner wall of the pressing mold cavity is smooth and has no edge angle. The left pressing die and the right pressing die are made of high-strength steel or chromium.

In the embodiment of the present invention, a protrusion 1031 is fixedly disposed at the center of the left end of the left pressing mold, the protrusion is cylindrical-like, and an annular groove 1032 is disposed at the periphery of the protrusion near the end position. The lug can be integrally formed with the left pressing die, and can also be connected with the left pressing die by welding and other modes.

In the embodiment of the utility model, a convex block is fixedly arranged at the center position of the right end of the right pressing die, the convex block is in a cylinder-like shape, and an annular groove is arranged on the periphery of the convex block close to the end position. The lug can be integrally formed with the right pressing die, and can also be connected with the right pressing die by welding and other methods.

In the embodiment of the utility model, the U-shaped opening of the U-shaped die pressing cavity faces the right die and is a horn mouth, and the bottom of the U-shaped die pressing cavity is provided with an upper convex stripe 1011; the upper concave stripes and the upper convex stripes extend up and down, and the number of the upper concave stripes are a plurality of stripes which are uniformly distributed in the front and back and correspond to one another.

In the embodiment of the utility model, the U-shaped opening of the square die pressing cavity faces the right die and is a horn mouth, and the bottom of the square die pressing cavity is provided with a lower convex stripe 1021; the concave stripes and the convex stripes extend up and down, and the number of the concave stripes and the convex stripes is a plurality of stripes which are uniformly distributed in the front and back and are in one-to-one correspondence.

In the present embodiment, the two U-shaped inner sidewalls of the U-shaped molding cavity are provided with an upper out-turned chamfer 1012. And the two U-shaped inner side walls of the square compression die cavity are provided with lower outwards-turned chamfers 1022. The outward turning chamfer makes the wiring terminal not be blocked in the pressing die cavity when the wiring terminal is separated from the pressing die.

The specific working process of the utility model is as follows: the user stretches into U-shaped die cavity and square die cavity with binding post, and the convex stripe that corresponds withstands the binding post outside with concave type stripe, makes binding post take place to warp through the effort to wire and binding post zonulae occludens. Meanwhile, the pressing die cavity is designed into a U-shaped opening and a square opening which are universal in the market, and the deformation space of the wiring terminal is in accordance with the shape of the wiring opening of the switch, so that the connection is reliable after connection, the wiring terminal is not easy to fall off, the operation time is greatly reduced, and the working efficiency is improved.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. A double-opening 'bell' shaped die is characterized in that: the U-shaped pressing die comprises a left pressing die and a right pressing die, wherein a U-shaped pressing die cavity and a square pressing die cavity are respectively arranged at the upper and lower positions in the middle of the right end of the left pressing die, an upper concave type stripe is arranged at the position, corresponding to the U-shaped pressing die cavity, of the left end of the right pressing die, a lower concave type stripe is arranged at the position, corresponding to the square pressing die cavity, of the right pressing die, and after the left pressing die and the right pressing die are buckled, the U-shaped pressing die cavity and the upper concave type stripe form a closed U-shaped pressing die cavity, a square pressing die cavity and a lower concave type stripe form a closed square pressing die cavity.

2. The dual port "bell" shaped mold of claim 1 wherein: the central position of the left end of the left pressing die is fixedly provided with a convex block, the convex block is cylindrical, and the periphery of the convex block close to the end part is provided with an annular groove.

3. The dual port "bell" shaped mold of claim 1 wherein: the central position of the right end of the right pressing die is fixedly provided with a convex block, the convex block is cylindrical, and the periphery of the convex block close to the end part is provided with an annular groove.

4. The dual port "bell" shaped mold of claim 1 wherein: the U-shaped opening of the U-shaped die pressing cavity faces the right die and is a bell mouth, and the bottom of the U-shaped die pressing cavity is provided with upper convex stripes; the upper concave stripes and the upper convex stripes extend up and down, and the number of the upper concave stripes are a plurality of stripes which are uniformly distributed in the front and back and correspond to one another.

5. The dual port "bell" shaped mold of claim 1 wherein: the U-shaped opening of the square die pressing cavity faces the right die and is a horn mouth, and a downward convex stripe is arranged at the bottom of the square die pressing cavity; the concave stripes and the convex stripes extend up and down, and the number of the concave stripes and the convex stripes is a plurality of stripes which are uniformly distributed in the front and back and are in one-to-one correspondence.

6. The dual port "bell" shaped mold of claim 1 wherein: and the two U-shaped inner side walls of the U-shaped die pressing cavity are provided with upward-outward-turning chamfers.

7. The dual port "bell" shaped mold of claim 1 wherein: and the two U-shaped inner side walls of the square die pressing cavity are provided with downward outwards-turned chamfers.