CN-224222638-U - Computer case BOSS post forming die

CN224222638UCN 224222638 UCN224222638 UCN 224222638UCN-224222638-U

Abstract

The utility model discloses a computer shell BOSS column forming die which comprises a lower die and an upper die which is matched with the lower die and is positioned above the lower die, wherein the lower die comprises a lower die assembly provided with a bearing surface for bearing a computer shell, a plurality of locating pins which are arranged on the bearing surface and are used for locating the position of the computer shell, and a first heating assembly which is arranged in the lower die assembly and can heat the bearing surface, the upper die comprises an upper die assembly, a plurality of punches which are arranged at the lower end of the upper die assembly, and a second heating assembly which is arranged on the upper die assembly and is used for heating the upper die assembly, after the upper die and the lower die are matched, the BOSS column can be formed at the corresponding position of the computer shell by punching, and the BOSS column can be formed at the corresponding position of the computer shell by integrally forming the punches of the upper die without additional adhesive plastic parts, thereby being beneficial to realizing the light and thin requirements of a notebook computer, and reducing the processing technology and saving materials.

Inventors

ZHOU MAOLIN
SUN HAO
WANG JIE
FAN HONGWEI
JIANG DONGLIN

Assignees

重庆东矩金属制品有限公司

Dates

Publication Date: 20260512
Application Date: 20250421

Claims (10)

1. A computer case BOSS post forming die, comprising: The lower die comprises a lower die assembly, a plurality of positioning pins and a first heating assembly, wherein the lower die assembly is provided with a bearing surface for bearing a computer shell, the positioning pins are arranged on the bearing surface and used for positioning the computer shell, and the first heating assembly is arranged in the lower die assembly and can heat the bearing surface; The upper die is matched with the lower die and is positioned above the lower die, and comprises an upper die assembly, a plurality of punches arranged at the lower end of the upper die assembly and a second heating assembly arranged on the upper die assembly and used for heating the upper die assembly; After the upper die and the lower die are assembled, a plurality of punches at the lower end of the upper die assembly can punch and form a BOSS column at the corresponding position of the computer casing.
2. The computer case BOSS column forming die of claim 1, wherein a die surface of the upper die assembly, which is close to the lower die assembly, is provided with a plurality of mounting cavities for mounting the punches, and a plurality of choke protrusions which are arranged concentrically with the mounting cavities in a one-to-one correspondence manner; After the die is assembled, the punch body is used for punching an inner cavity of the BOSS column, and the punch insert can be matched with the flow blocking protrusion to punch a column body of the BOSS column.
3. The computer case BOSS column forming die of claim 2, wherein the punch body comprises a first rod body and a punching head integrally formed at the lower end of the first rod body, and the outer diameter of the punching head is smaller than that of the first rod body; The punch insert comprises a second rod body and an annular boss integrally formed at the lower end of the second rod body, an embedding cavity for embedding the punch body is formed between the inner cavity of the second rod body and the inner cavity of the annular boss, the punch body is embedded in the embedding cavity, the punch head is exposed out of the annular boss, the axis of the punch head is mutually overlapped with the axis of the annular boss, the lower end face of the annular boss is in height difference with the lower end face of the first rod body, and an extrusion area for punching the columnar body is formed by surrounding the inner side wall of the embedding cavity, the lower end face of the first rod body and the outer side wall of the punch head.
4. The computer case BOSS column forming die of claim 2, wherein the upper die assembly comprises an upper die holder, an upper heat insulation plate, an upper base plate, an upper clamping plate and an upper stripper plate which are sequentially arranged from top to bottom, wherein one end of the mounting cavity is distributed on the upper clamping plate, and the other end of the mounting cavity is distributed on the upper stripper plate; after die assembly, the upper clamping plate moves towards the direction approaching to the upper stripper plate, so that the punch head stretches out of the mounting cavity to punch the workpiece to be machined.
5. The computer case BOSS column forming mold according to claim 4, wherein the upper backing plate is provided with a contour sleeve connected with the upper stripper plate for limiting the moving stroke of the upper stripper plate.
6. The computer case BOSS column forming die of claim 4, wherein a plurality of inner guide posts are arranged on the upper clamping plate and distributed at each corner position of the upper clamping plate for guiding during die closing or die opening, and one end of each inner guide post, which is far away from the upper clamping plate, penetrates through the upper stripping plate and then is exposed outside the upper stripping plate.
7. The computer case BOSS column forming die of claim 4, wherein the second heating component comprises a plurality of first heating coils arranged on the upper end face of the upper clamping plate, a plurality of second heating coils arranged on the lower end face of the upper clamping plate and a plurality of third heating coils arranged on the upper end face of the upper stripping plate, a plurality of first temperature sensing wires which are in one-to-one correspondence with the first heating coils and are used for sensing the temperature of the first heating coils are embedded on the upper clamping plate, and a plurality of second temperature sensing wires which are in one-to-one correspondence with the third heating coils and are used for sensing the temperature of the third heating coils are embedded on the upper stripping plate.
8. The computer case BOSS column molding die as claimed in any one of claims 1 to 7, wherein the lower die assembly comprises a lower die plate, a lower clamping plate, a lower base plate, a plurality of lower padding feet and a lower supporting plate which are arranged in sequence from top to bottom, the upper end face of the lower die plate is defined as a bearing surface, and a plurality of inner limiting positions are arranged on the bearing surface and are used for being contacted with the upper die when the die is clamped so as to control the stamping depth of the punch.
9. The computer case BOSS column forming die of claim 8, wherein the positioning pin comprises a pin rod, an equal-diameter section and a variable-diameter section, wherein one end of the pin rod is arranged in the lower clamping plate, the other end of the pin rod extends out of the bearing surface, the equal-diameter section is fixedly connected to the upper end of the pin rod, the outer diameter of the equal-diameter section is smaller than that of the pin rod, the variable-diameter section is fixedly connected to the upper end of the equal-diameter section, the lower end of the pin rod is connected with a second spring, and one end with the largest cross section area of the variable-diameter section is connected with the equal-diameter section.
10. The computer case BOSS column forming die of claim 9, wherein the first heating assembly comprises a plurality of fourth heating coils arranged on the upper end face of the lower clamping plate and a plurality of fifth heating coils arranged on the lower end face of the lower clamping plate, and a plurality of third temperature sensing wires which are in one-to-one correspondence with the fourth heating coils and used for sensing the temperature of the fourth heating coils are embedded on the lower clamping plate.

Description

Computer case BOSS post forming die Technical Field The utility model belongs to the technical field of notebook computer part processing, and particularly relates to a computer shell BOSS column forming die. Background The notebook computer shell piece can buffer external impact force, prevent internal hardware such as a main board, a hard disk, a memory and the like from being damaged due to collision, or scratch internal elements due to sharp objects, and is an important workpiece for protecting a machine body. In a conventional notebook computer, since many key components, such as a motherboard, a hard disk, a radiator, etc., are installed inside the notebook computer, the components need to be firmly installed through screws, so that metal components (such as aluminum alloy or aluminum magnesium alloy) need to be adhered to plastic components with screw posts to complete the assembly with other components. However, the thickness of the casing member is increased after the metal member and the plastic member are bonded, so that the requirement of lightening and thinning of the notebook computer cannot be met. Disclosure of utility model Aiming at the technical problems in the prior art, the utility model provides a computer housing BOSS column forming die. In order to achieve the above purpose, the present utility model adopts the following technical scheme: A computer case BOSS column forming mold, comprising: The lower die comprises a lower die assembly, a plurality of positioning pins and a first heating assembly, wherein the lower die assembly is provided with a bearing surface for bearing a computer shell, the positioning pins are arranged on the bearing surface and used for positioning the computer shell, and the first heating assembly is arranged in the lower die assembly and can heat the bearing surface; The upper die is matched with the lower die and is positioned above the lower die, and comprises an upper die assembly, a plurality of punches arranged at the lower end of the upper die assembly and a second heating assembly arranged on the upper die assembly and used for heating the upper die assembly; After the upper die and the lower die are assembled, a plurality of punches at the lower end of the upper die assembly can punch and form a BOSS column at the corresponding position of the computer casing. Further, a plurality of installing cavities for installing the punches are arranged on the die surface of the upper die assembly, which is close to the lower die assembly, and a plurality of choke protrusions which are arranged concentrically with the installing cavities in a one-to-one correspondence manner are arranged on the die surface; After the die is assembled, the punch body is used for punching an inner cavity of the BOSS column, and the punch insert can be matched with the flow blocking protrusion to punch a column body of the BOSS column. Further, the punch body comprises a first rod body and a punching head integrally formed at the lower end of the first rod body, and the outer diameter of the punching head is smaller than that of the first rod body; The punch insert comprises a second rod body and an annular boss integrally formed at the lower end of the second rod body, an embedding cavity for embedding the punch body is formed between the inner cavity of the second rod body and the inner cavity of the annular boss, the punch body is embedded in the embedding cavity, the punch head is exposed out of the annular boss, the axis of the punch head is mutually overlapped with the axis of the annular boss, the lower end face of the annular boss is in height difference with the lower end face of the first rod body, and an extrusion area for punching the columnar body is formed by surrounding the inner side wall of the embedding cavity, the lower end face of the first rod body and the outer side wall of the punch head. When the die is not assembled, one end of the punch, which is contacted with a workpiece to be processed, is accommodated in the mounting cavity, a plurality of first mounting holes are formed in the upper clamping plate, a plurality of first springs are correspondingly arranged in the mounting holes one by one, and one end of the first springs, which is far away from the upper clamping plate, is contacted with the upper stripping plate; after die assembly, the upper clamping plate moves towards the direction approaching to the upper stripper plate, so that the punch head stretches out of the mounting cavity to punch the workpiece to be machined. Further, the upper backing plate is provided with a contour sleeve which is connected with the upper stripper plate and used for limiting the moving stroke of the upper stripper plate. Further, a plurality of inner guide posts which are distributed at each corner position of the upper clamping plate and used for guiding during die closing or die opening are arranged on the upper clamping plate, and one end of each inner guide post,