Stamping die for processing rotating shaft of notebook computer

Abstract

The utility model discloses a stamping die for processing a notebook computer rotating shaft, which comprises a die body, a die cavity is arranged on the surface of the die body, the size of the die cavity is matched with that of a rotating shaft blank, the rotating shaft blank is covered inside the die cavity, and a stamping device mounting piece is arranged on the surface of the rotating shaft blank. A plurality of groups of punching heads are mounted at the bottom of the punching device mounting piece; a supporting ejector rod is inserted into the bottom of the mold body, and a stress piece is fixedly installed at the bottom of the supporting ejector rod. According to the stamping die for notebook computer rotating shaft machining, five sets of stamping heads act on a rotating shaft blank, and one-time forming work can be conducted on the rotating shaft blank; a plurality of groups of holes in the rotating shaft blank can be machined under one punching action, so that the machining times and operation links are greatly reduced, and the production speed is greatly increased; in large-scale production of the rotating shaft blanks, the production cycle can be remarkably shortened by adopting a one-time punch forming technology, and the large demand of the market on the rotating shaft blanks is met.

Description

Technical Field

[0001] The utility model relates to the field of stamping dies, in particular to a stamping die for processing a rotating shaft of a notebook computer. Background Art

[0002] A laptop computer is abbreviated as a notebook, also known as a "portable computer, handheld computer, PDA or laptop computer". It is characterized by its compact body and is more convenient to carry than a desktop computer. It is a small and portable personal computer. The display screen of the laptop computer needs to be opened and closed when it is flipped, and the production of the hinge requires the use of a stamping die for processing.

[0003] The laptop hinge mainly includes a shaft, a display connecting hinge, and a keyboard connecting hinge. The connecting hinge usually has multiple sets of holes, which require multiple stamping and forming operations using a stamping die, rather than a single forming operation. The multiple punching and opening method is prone to large errors, which can easily make the processed hinge unusable. Utility Model Content

[0004] The purpose of the present utility model is to provide a stamping die for processing a notebook computer shaft, so as to solve the defects mentioned in the above background technology.

[0005] In order to achieve the above-mentioned purpose, a stamping die for processing a laptop computer hinge is provided, comprising a die body, a die cavity is opened on the surface of the die body, and the die cavity is adapted to the size of the hinge blank, and the hinge blank covers the inside of the die cavity, and a stamping device mounting plate is installed on the surface of the hinge blank, and multiple groups of stamping heads are installed at the bottom of the stamping device mounting plate; a supporting push rod is inserted into the bottom of the die body, and a force-bearing plate is fixedly installed at the bottom of the supporting push rod, and a spring is installed at the bottom of the force-bearing plate, and a fixing plate is fixedly installed at the bottom of the spring.

[0006] Preferably, the stamping device mounting plate is driven to rise and fall by a hydraulic cylinder of the stamping die, and the stamping device mounting plate is a rectangular structure made of metal material, and mounting holes are evenly opened on the stamping device mounting plate.

[0007] Preferably, five groups of punching heads are evenly screwed and installed on the bottom of the punching device mounting plate, and five groups of supporting push rods are evenly installed on the surface of the force-bearing plate, and the five groups of supporting push rods are respectively arranged opposite to the five groups of punching heads.

[0008] Preferably, the tops of the five groups of supporting push rods are all provided with positioning holes, and the positioning holes are adapted to the size of the punching heads, and the punching heads pass through the rotating shaft blank and are inserted into the interior of the positioning holes.

[0009] Preferably, the five groups of support pins have the same height, and the top surface of the support pins is flush with half the depth of the mold cavity, and an opening is provided on one side of the mold cavity.

[0010] Preferably, two groups of springs are evenly installed on the bottom of the force-bearing plate, and three groups of strip holes are evenly opened on the fixing plate at the bottom of the spring.

[0011] Preferably, two sets of guide rods are installed on both sides of the bottom of the force-bearing plate, and the bottom of the guide rod is inserted into the guide hole opened on the fixed plate. At the same time, mounting seats are screwed on both ends of the fixed plate, and the end of the mounting seat is screwed on the bottom surface of the mold body. The cross-section of the mounting seat is "S" shaped.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. This utility model uses five sets of punching heads to form the shaft blank in one operation. Multiple sets of holes can be machined on the shaft blank in a single punching operation, significantly reducing the number of processing steps and operating steps, greatly improving production speed. In large-scale shaft blank production, the use of one-step stamping technology can significantly shorten the production cycle and meet the market's high demand for shaft blanks.

[0014] 2. The utility model uses five groups of supporting push rods to move downward, and compresses two groups of springs through the force-bearing plates. After the punching head completes the punching, the springs in the compressed state rebound, and the shaft blank can be ejected from the inside of the mold cavity, completing the rapid demolding of the shaft blank, which greatly shortens the demolding time of each blank. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a bottom view of the mold body;

[0017] Figure 3 for Figure 1 A top view of

[0018] Figure 4 Schematic diagram of the cross section of the mold body;

[0019] Figure 5 for Figure 4 side view.

[0020] Numbers in the figure: 1. Punching device mounting plate; 2. Punching head; 3. Rotating shaft blank; 4. Mold body; 5. Mold cavity; 51. Opening; 6. Supporting ejector pin; 60. Positioning hole; 61. Force-bearing plate; 62. Guide rod; 63. Spring; 64. Fixing plate; 65. Mounting seat. DETAILED DESCRIPTION

[0021] See also Figure 1-5 The utility model provides a stamping die for processing a laptop computer hinge, comprising a die body 4, a die cavity 5 being opened on the surface of the die body 4, and the die cavity 5 being adapted to the size of a hinge blank 3, while the hinge blank 3 is covered in the die cavity 5, and a stamping device mounting piece 1 is installed on the surface of the hinge blank 3, and a plurality of punching heads 2 are installed at the bottom of the stamping device mounting piece 1; a supporting ejector rod 6 is inserted through the bottom of the die body 4, and a force-bearing piece 61 is fixedly installed at the bottom of the supporting ejector rod 6, while a spring 63 is installed at the bottom of the force-bearing piece 61, and a fixing plate 64 is fixedly installed at the bottom of the spring 63.

[0022] Working principle: When in use, first place the shaft blank 3 inside the mold cavity 5. At this time, the lower half of the shaft blank 3 is placed inside the mold cavity 5, and the upper half is exposed on the upper side of the mold cavity 5. At the same time, the bottom of the shaft blank 3 is supported by five groups of supporting rods 6. During stamping, the stamping device mounting plate 1 is driven downward by the hydraulic cylinder, so that the five groups of punching heads 2 act on the shaft blank 3, and the shaft blank 3 can be formed in one step; the processing of multiple groups of holes on the shaft blank 3 can be completed in one stamping action, which greatly reduces the number of processing times and operation links, and greatly improves the production speed; in large-scale shaft blanks In production, the use of one-time stamping technology can significantly shorten the production cycle and meet the market's large demand for the shaft blank 3. When the shaft blank 3 is stamped, the punch head 2 passes through the shaft blank 3 and is inserted into the positioning hole 60 opened on the top of the support push rod 6. At this time, the five groups of support push rods 6 move downward and compress the two groups of springs 63 through the force-bearing sheet 61. After the punch head 2 completes the stamping, the springs 63 in the compressed state rebound and can eject the shaft blank 3 from the inside of the mold cavity 5, completing the rapid demoulding of the shaft blank 3, which greatly shortens the demoulding time of each blank.

[0023] As a preferred embodiment, the stamping device mounting plate 1 is driven to rise and fall by the hydraulic cylinder of the stamping die, and the stamping device mounting plate 1 is a rectangular structure made of metal material, and mounting holes are evenly opened on the stamping device mounting plate 1.

[0024] Five groups of punching heads 2 are evenly screwed and installed on the bottom of the punching device installation plate 1, and five groups of supporting push rods 6 are evenly installed on the surface of the force-bearing plate 61. At the same time, the five groups of supporting push rods 6 are respectively arranged opposite to the five groups of punching heads 2.

[0025] As a preferred embodiment, the tops of the five groups of supporting pins 6 are all provided with positioning holes 60 , and the positioning holes 60 are adapted to the size of the punching head 2 , and the punching head 2 passes through the rotating shaft blank 3 and is inserted into the interior of the positioning holes 60 .

[0026] The five groups of support pins 6 have the same height, and the top surface of the support pins 6 is flush with half the depth of the mold cavity 5 . An opening 51 is provided on one side of the mold cavity 5 .

[0027] As a preferred embodiment, two groups of springs 63 are evenly installed on the bottom of the force-bearing plate 61, and three groups of strip holes are evenly opened on the fixing plate 64 at the bottom of the spring 63.

[0028] Two sets of guide rods 62 are installed on both sides of the bottom of the force-bearing plate 61, and the bottom of the guide rod 62 is inserted into the guide hole opened on the fixed plate 64. At the same time, both ends of the fixed plate 64 are screwed with mounting seats 65, and the end of the mounting seat 65 is screwed to the bottom surface of the mold body 4. The cross-section of the mounting seat 65 is "S" shaped.

Claims

1. A stamping die for processing a notebook computer shaft, comprising a die body (4), characterized in that: A mold cavity (5) is provided on the surface of the mold body (4), and the mold cavity (5) is adapted to the size of the rotating shaft blank (3). The rotating shaft blank (3) covers the interior of the mold cavity (5), and a punching device mounting plate (1) is installed on the surface of the rotating shaft blank (3). A plurality of punching heads (2) are installed at the bottom of the punching device mounting plate (1); a supporting push rod (6) is inserted into the bottom of the mold body (4), and a force-bearing plate (61) is fixedly installed at the bottom of the supporting push rod (6), and a spring (63) is installed at the bottom of the force-bearing plate (61), and a fixing plate (64) is fixedly installed at the bottom of the spring (63).

2. The punching die for processing a notebook computer shaft according to claim 1, characterized in that: The punching device mounting plate (1) is driven to rise and fall by a hydraulic cylinder of a punching die, and the punching device mounting plate (1) is a rectangular structure made of metal material, and mounting holes are evenly opened on the punching device mounting plate (1).

3. The punching die for processing a notebook computer shaft according to claim 1, characterized in that: Five groups of punching heads (2) are evenly screwed and installed on the bottom of the punching device installation plate (1), and five groups of supporting push rods (6) are evenly installed on the surface of the force-bearing plate (61). At the same time, the five groups of supporting push rods (6) are respectively arranged opposite to the five groups of punching heads (2).

4. The punching die for processing a notebook computer shaft according to claim 3, characterized in that: The tops of the five groups of supporting push rods (6) are all provided with positioning holes (60), and the positioning holes (60) are adapted to the size of the punching head (2). At the same time, the punching head (2) passes through the rotating shaft blank (3) and is inserted into the interior of the positioning holes (60).

5. The stamping die for processing a notebook computer shaft according to claim 3, characterized in that: The five groups of supporting push rods (6) have the same height, and the top surface of the supporting push rods (6) is flush with half the depth of the mold cavity (5), and an opening (51) is provided on one side of the mold cavity (5).

6. The punching die for processing a notebook computer shaft according to claim 1, characterized in that: Two groups of springs (63) are evenly installed on the bottom of the force-bearing plate (61), and three groups of strip holes are evenly opened on the fixing plate (64) at the bottom of the spring (63).

7. The stamping die for processing a notebook computer hinge according to claim 1, characterized in that: Two sets of guide rods (62) are installed on both sides of the bottom of the force-bearing plate (61), and the bottoms of the guide rods (62) are inserted into the guide holes opened on the fixed plate (64). At the same time, both ends of the fixed plate (64) are screwed with mounting seats (65), and the ends of the mounting seats (65) are screwed to the bottom surface of the mold body (4). The cross-section of the mounting seat (65) is set in an "S" shape.

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