CN215033503U

CN215033503U - Die casting die of car antenna base

Info

Publication number: CN215033503U
Application number: CN202121573683.1U
Authority: CN
Inventors: 袁飞飞
Original assignee: Foehl Die Casting Taicang Co ltd
Current assignee: Aikedi Fule Precision Technology Taicang Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-07
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a die casting die of car antenna base, including inlaying needle, apron and die holder, the die holder indent is established and is used for the installation cavity of installation mould benevolence, from a lateral installation cavity setting and inlaying needle complex mounting hole on the die holder, inlays the needle and installs in the mounting hole to it is fixed to utilize the apron, and the mounting hole corresponds with the pinhole of inlaying on the mould benevolence. The utility model discloses set up the mounting hole that corresponds with mould benevolence inlay pinhole on the die holder, realized changing the inlay needle on the board, shortened mould maintenance time and cost by a wide margin. Through quick replacement and maintenance to the insert needle on the board, guarantee the uniformity of product, the continuity of production. The surface of the insert pin is subjected to nitriding treatment, so that the whole surface of the insert pin is smoother, and the frequency of material sticking of the insert pin is reduced.

Description

Die casting die of car antenna base

Technical Field

The utility model relates to a die-casting field, in particular to die casting die of car antenna base.

Background

The antenna base is an important component of an automobile antenna system, is a carrier of a plurality of related accessories, so that the related accessories are required to be fixed by threads, the number of thread bottom holes of a single part reaches 10 or more, and when the zinc alloy is formed by die casting, the zinc soup is very high in temperature and has very strong adhesion; the existing mold structure belongs to a conventional insert structure, and when an insert pin is stuck in the production process, the space on a machine table is narrow, the insert pin cannot be normally unfolded for polishing, and the insert pin can be damaged, so that a product is scrapped; the lower die is needed to replace a new insert pin, the workload is more than 4 hours, the production efficiency is seriously influenced, and the production cost of the product is continuously increased.

Specifically, in the existing structure, the mold core is provided with an insert pin hole, and after the insert pin is inserted into the insert pin hole, the tail end of the insert pin acts on the mold base; namely, the insert pin is locked between the die core and the die holder. Therefore, when the insert needs to be replaced, the mold core needs to be detached from the mold base, which takes a lot of time.

SUMMERY OF THE UTILITY MODEL

To the defect that prior art exists above, the utility model discloses a main aim at overcomes prior art's weak point, discloses a die casting die of car antenna base, including inlaying needle, apron and die holder, the die holder indent is established and is used for installing the installation cavity of mould benevolence, from a lateral on the die holder the installation cavity set up with inlay needle complex mounting hole, it installs to inlay the needle in the mounting hole, and utilize the apron is fixed, the mounting hole with it corresponds to inlay the pinhole on the mould benevolence.

Further, inlay the needle including the embedding portion, first connecting portion, second connecting portion and the needle support of inlaying that connect gradually, it holds in the palm to inlay the needle to be the cylinder structure, and its side sets up a locating plane, inlay the concave screw hole of establishing of terminal surface axial that the needle held in the palm.

Further, the first connecting portion and the second connecting portion are of a cylindrical structure.

Further, the first connecting part and the second connecting part are coaxially arranged, and a conical inclined plane is arranged at the connecting position of the first connecting part and the second connecting part; when the die is installed, the conical inclined plane is positioned in the insert pin hole of the die core.

Further, the diameter of the first connecting portion is smaller than the diameter of the second connecting portion.

Furthermore, a step surface is arranged at the joint of the needle embedding support and the second connecting part.

Furthermore, a groove for installing the cover plate is concavely arranged on the surface of the die holder, and after the cover plate is installed, the surface of the cover plate is lower than the surface of the die holder.

Furthermore, the cover plate is fixed with the die holder through an inner hexagonal screw.

Further, the surface of the insert pin is subjected to nitriding treatment.

The utility model discloses the beneficial effect who gains:

1) the utility model discloses set up the mounting hole that corresponds with mould benevolence inlay pinhole on the die holder, realized changing the inlay needle on the board, shortened mould maintenance time and cost by a wide margin.

2) Through quick replacement and maintenance to the insert needle on the board, guarantee the uniformity of product, the continuity of production.

3) The surface of the insert pin is subjected to nitriding treatment, so that the whole surface of the insert pin is smoother, and the frequency of material sticking of the insert pin is reduced.

Drawings

Fig. 1 is a schematic perspective view of a die casting mold for an automobile antenna base according to the present invention;

fig. 2 is an intention of another view angle of the die casting mold for the automobile antenna base according to the present invention;

FIG. 3 is a schematic view of the insert pin;

the reference numbers are as follows:

1. the pin inserting device comprises an inserting pin, 2, a cover plate, 3, a die holder, 11, an embedding part, 12, a first connecting part, 13, a second connecting part, 14, a pin inserting support, 15, a conical inclined surface, 16, a step surface, 31, an installation cavity, 32, an installation hole, 33, a groove, 141, a positioning plane, 142 and a screw hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

A die-casting die for an automobile antenna base is shown as figures 1-3, 2 and a die holder 3, wherein a mounting cavity 31 for mounting a die core is concavely arranged on the die holder 3, a mounting hole 32 matched with an insert pin is arranged on the die holder 3 from one side to the mounting cavity, and the insert pin 1 is mounted in the mounting hole 32 and is fixed by a cover plate 2. The mounting holes 32 correspond to the insert pin holes of the mold core.

In one embodiment, as shown in fig. 1 to 3, the insert pin 1 includes an insert portion 11, a first connecting portion 12, a second connecting portion 13 and an insert pin holder 14 connected in sequence, the insert pin holder 14 is a cylindrical structure, and a positioning plane 141 is disposed on a side surface thereof, and a screw hole 142 is recessed axially on an end surface of the insert pin holder 14. The positioning plane 141 is used for preventing the insert pin 1 from rotating after being installed in the installation hole 32; through the screw hole 142 that sets up concavely, when taking out, prepare a screw rod with screw hole 142 complex, be connected with screw hole 142 the back, can conveniently take out insert needle 1 through the screw rod.

In one embodiment, as shown in fig. 1-3, the first connection portion 12 and the second connection portion 13 are cylindrical structures.

In one embodiment, as shown in fig. 1-3, the first connecting portion 12 and the second connecting portion 13 are coaxially arranged, and a conical slope 15 is provided at the junction of the first connecting portion 12 and the second connecting portion 13. When the die is installed, the conical inclined plane 15 is positioned in the insert pin hole of the die core. Through the setting of circular cone inclined plane 15, corresponding, inlay the pinhole in have with circular cone inclined plane 15 complex inclined planes, increase and inlay the area of contact of needle 1 with inlay the pinhole, effectively improve and inlay the needle 1 with inlay the cooperation degree of pinhole.

In one embodiment, as shown in fig. 1-3, the diameter of the first connection portion 12 is smaller than the diameter of the second connection portion 13. The second connection portion 13 is provided with a thicker diameter to increase the strength of the second connection portion 13.

In one embodiment, as shown in fig. 1-3, a step surface 16 is provided at the connection between the needle holder 14 and the second connecting portion 13.

In one embodiment, as shown in fig. 1-3, the die holder 3 has a concave groove 33 for receiving the cover plate 2, and when the cover plate 2 is received, the surface of the cover plate 2 is lower than the surface of the die holder 3.

In one embodiment, as shown in fig. 1-3, the cover plate 2 is fixed to the die holder 3 by a hexagon socket head cap screw.

The utility model discloses when using, as shown in fig. 1-3, mould benevolence is installed in the installation cavity 31 of die holder 3, opens apron 2 on the die holder 3, will inlay in the needle 1 inserts corresponding mounting hole 32 to inlay 11 eyes of embedding portion of needle 1 and stretch into the mould cavity of mould benevolence, utilize embedding portion 11 to form the spiral shell bottom outlet of car antenna base. Finally, the cover plate 2 is installed in the groove 33, and the assembly of the insert pin 1 is completed. When the insert pin 1 needs to be replaced, the cover plate 2 is only required to be opened, and the insert pin 1 needing to be replaced is pulled out and inserted into a new insert pin 1. Install between die holder 3 and mould benevolence in the bottom of traditional inlaying the needle, under the prerequisite of guaranteeing produce the performance, the mould is not in the state of machine, directly reduces 4 hours's work load to 0.5 hour to reach and save the cost.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.

Claims

1. The die-casting die for the automobile antenna base is characterized by comprising an insert pin, a cover plate and a die holder, wherein the die holder is internally concave and provided with an installation cavity for installing a die core, the die holder is provided with an installation hole matched with the insert pin from one side, the insert pin is installed in the installation hole and is fixed by the cover plate, and the installation hole corresponds to an insert pin hole in the die core.

2. The die-casting die for the automobile antenna base as claimed in claim 1, wherein the insert pin comprises an embedding portion, a first connecting portion, a second connecting portion and an insert pin holder which are sequentially connected, the insert pin holder is of a cylindrical structure, a positioning plane is arranged on the side face of the insert pin holder, and a screw hole is axially and concavely formed in the end face of the insert pin holder.

3. The die-casting mold for the automobile antenna base as claimed in claim 2, wherein the first connection portion and the second connection portion are of a cylindrical structure.

4. The die-casting die for the automobile antenna base is characterized in that the first connecting portion and the second connecting portion are coaxially arranged, and a conical inclined surface is arranged at the connecting position of the first connecting portion and the second connecting portion; when the die is installed, the conical inclined plane is positioned in the insert pin hole of the die core.

5. The die-casting mold for the antenna base of the automobile as claimed in claim 2, wherein the first connection portion has a diameter smaller than that of the second connection portion.

6. The die-casting die for the automobile antenna base as claimed in claim 2, wherein a step surface is arranged at a joint of the needle inserting support and the second connecting portion.

7. The die-casting mold for the automobile antenna base as claimed in claim 1, wherein a groove for mounting the cover plate is concavely formed on the surface of the mold base, and when the cover plate is mounted, the surface of the cover plate is lower than the surface of the mold base.

8. The die-casting mold for the automobile antenna base as claimed in claim 1, wherein the cover plate is fixed to the mold base by a hexagon socket head cap screw.

9. The die-casting mold for the antenna base of the automobile as claimed in claim 1, wherein the surface of the insert pin is nitrided.