CN116037711A - Flatness shaping method and flatness shaping jig - Google Patents
Flatness shaping method and flatness shaping jig Download PDFInfo
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- CN116037711A CN116037711A CN202310033259.5A CN202310033259A CN116037711A CN 116037711 A CN116037711 A CN 116037711A CN 202310033259 A CN202310033259 A CN 202310033259A CN 116037711 A CN116037711 A CN 116037711A
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- shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
- B21D1/10—Removing local distortions of specific articles made from sheet metal, e.g. mudguards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a flatness shaping method, which comprises the steps of selecting a first datum point and a first measuring point along a first shaping direction of a material, wherein a first shaping connecting line is arranged between the first datum point and the first measuring point; selecting a second datum point and a second measuring point along the first shaping direction of the material, wherein a second shaping connecting line is arranged between the second datum point and the second measuring point and is parallel to the first shaping connecting line; a first reference connecting line is arranged between the first reference point and the second reference point along the second shaping direction of the material, and a first correction connecting line is arranged between the first measurement point and the second measurement point; measuring a first deformation height of a first measuring point along a third shaping direction of the material by taking a first reference connecting line as a reference on one side of the material, and measuring a second deformation height of a second measuring point along the third shaping direction of the material; the current situation that irregular deformation is generated due to inconsistent internal force deformation of the inner area of the middle plate of the mobile phone in the shaping process caused by the flatness shaping method of the middle plate of the mobile phone is avoided.
Description
Technical Field
The invention relates to the field of mobile phone middle plate shaping equipment, in particular to a flatness shaping method and a flatness shaping jig.
Background
In the mobile phone composition structure, the LCD screen is usually arranged on the mobile phone middle plate, so that the flatness requirement of the mobile phone middle plate is higher, and the common tolerance requirement is within +0.05mm to-0.15 mm, so that the flatness of the LCD screen after being arranged can be met; the mobile phone middle plates are usually processed and formed by adopting a stamping die, and the deformation trend generated by the mobile phone middle plates in the same batch is consistent in the processing process of the stamping die in batches, so that the mobile phone middle plates in the same batch can be subjected to planeness shaping by the planeness shaping jig.
In the prior art, after four endpoints are set on a middle plate of a mobile phone as positioning references, the midpoints of all sides of the middle plate of the mobile phone are corrected according to deformation heights, but because the four endpoints are positioned at the same time, inconsistent internal force deformation conditions possibly occur in the shaping process of the structure of the middle part, irregular changes can occur in the shaping process of the planeness of the middle plate of the mobile phone, frequent detection and adjustment effects are required in the shaping process of each middle plate of the mobile phone, and the production yield is lower than 85%.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a flatness shaping method and a flatness shaping jig, which solve the problem that the internal area of the mobile phone middle plate is deformed by inconsistent internal force to generate irregular deformation in the shaping process caused by the flatness shaping method of the mobile phone middle plate in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a flatness shaping method comprising a material to be shaped, the material having a first shaping direction, a second shaping direction and a third shaping direction perpendicular to each other; selecting a first datum point and a first measuring point along a first shaping direction of the material, wherein a first shaping connecting line is arranged between the first datum point and the first measuring point; selecting a second datum point and a second measuring point along the first shaping direction of the material, wherein a second shaping connecting line is arranged between the second datum point and the second measuring point, and the second shaping connecting line is parallel to the first shaping connecting line; a first datum connecting line is arranged between the first datum point and the second datum point along the second shaping direction of the material, and a first correcting connecting line is arranged between the first measuring point and the second measuring point; measuring a first deformation height of the first measuring point along a third shaping direction of the material by taking the first reference connecting line as a reference on one side of the material, and measuring a second deformation height of the second measuring point along the third shaping direction of the material; the correction height of the first measuring point is-0.5 x the first deformation height, and the correction height of the second measuring point is-0.5 x the second deformation height.
Preferably, the midpoint of the first shaping connection line is selected as a first correction point, the height of the first correction point is measured to be-0.25 x the first deformation height after shaping the material, and then the shaping is qualified.
Preferably, the midpoint of the second shaping connecting line is selected as a second correction point, the height of the second correction point is measured to be-0.25 x the height of the second deformation after shaping the material, and then the shaping is qualified.
Preferably, a midpoint of the first reference line is selected as a third reference point, a midpoint of the first correction line is selected as a third correction point, a third shaping line is arranged between the third reference point and the third correction point along the first shaping direction of the material, and a midpoint of the third shaping line is selected as a fourth correction point; the first datum point, the second datum point and the third datum point are connected to form a first curve, the second measuring point and the third correcting point are connected to form a second curve, and the first correcting point, the second correcting point and the fourth correcting point are connected to form a third curve;
the radians of the first curve, the second curve and the third curve are the same.
The invention also provides a flatness shaping jig applying the flatness shaping method, which comprises a lower die and an upper die, wherein a shaping positioning platform is arranged on the lower die, and a pressing plane matched with the shaping positioning platform is arranged on the upper die; the shaping positioning platform is provided with a first datum point, a first measuring point, a second datum point and a second measuring point, the correction height of the first measuring point is-0.5 x the first deformation height, and the correction height of the second measuring point is-0.5 x the second deformation height.
Preferably, the lower die is provided with positioning blocks positioned at four corners, and the upper die is provided with positioning notches matched with the positioning blocks in a positioning way.
Preferably, the lower die is provided with a positioning hole between the two positioning blocks, and the upper die is provided with a positioning pin for being inserted into the positioning hole.
Preferably, the upper die and the lower die are both provided with heating or refrigerating modules.
Preferably, the shaping and positioning platform is provided with a concave structure for positioning the middle plate of the mobile phone.
Compared with the prior art, the invention has the following beneficial effects:
in the shaping process, after four endpoints of a mobile phone middle plate are positioned, a first shaping connecting line is formed in a first shaping direction, after a second shaping connecting line, deformation heights of a first measuring point and a second measuring point are measured, the deformation heights are corrected in the opposite direction according to the height which is 0.5 times of the deformation heights, so that the mobile phone middle plate can directly shape the heights which are deformed in the first shaping direction after taking a reference edge as a zero point, the two parallel edges can form an integral synchronous shaping process, deformation points in the inner area of the mobile phone middle plate are synchronously regulated according to the shaping direction, and different change rules of measurement shaping of each deformation point in the inner area are avoided;
after shaping force with the same direction is applied by forming the edges of the middle plates of the mobile phone in an integral shaping mode, the middle plates of the mobile phone with the same deformation rule can be adjusted to the shaping jig according to the same shaping method, so that the middle frames of the mobile phones with the same batch and the same deformation direction can be shaped regularly in batches;
the productivity of good products is improved to 98%, the concave gap of the mobile phone middle plate can be ensured to be within 0.05mm-0.1mm, and the maximum gap of the upper arch is within 0.1mm, so that the processing rate of the good products of the shaping jig can be improved.
Drawings
FIG. 1 is a schematic illustration of a point placement according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a shaping jig according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a bottom view of a shaping jig according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a lower die of the shaping jig according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an upper mold of the shaping jig according to an embodiment of the present invention;
in the drawing the view of the figure,
the device comprises a first datum point A, a first measuring point C, a second datum point G, a second measuring point I, a first correction point B, a second correction point H, a third datum point D, a third correction point F, a fourth correction point E, a lower die 1, an upper die 2, a shaping positioning platform 3, a pressing plane 4, a positioning block 5, a positioning notch 6, a positioning hole 7 and a positioning pin 8.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
As shown in fig. 1, an embodiment of the present invention provides a flatness shaping method, which includes a material for shaping, where the material is a mobile phone middle plate, and has a rectangular structure as a whole, and the material has a first shaping direction, a second shaping direction and a third shaping direction that are perpendicular to each other, where the first shaping direction is along a long side extension direction of the mobile phone middle plate, the second shaping direction is along a short side extension direction of the mobile phone middle plate, and the third shaping direction is along a thickness direction of the mobile phone middle plate, that is, the actual shaping process is to shape deformation of the mobile phone middle plate in the third shaping direction. The relevant position points mentioned below are all points which can be positioned in the jig directly after shaping the materials, namely all the point positions are arranged on the jig.
Specifically, a first datum point A and a first measuring point C are selected along a first shaping direction of the material, and a first shaping connecting line is arranged between the first datum point A and the first measuring point C; selecting a second datum point G and a second measuring point I along the first shaping direction of the material, wherein a second shaping connecting line is arranged between the second datum point G and the second measuring point I, and the second shaping connecting line is parallel to the first shaping connecting line; the first shaping line and the second shaping line are long sides of the middle plate of the mobile phone. Meanwhile, a first reference line is arranged between the first reference point A and the second reference point G along the second shaping direction of the material, a first correction line is arranged between the first measurement point C and the second measurement point I, the first reference line and the first correction line are short sides of a mobile phone middle plate, and when shaping is performed, the first reference line is used as a reference, namely, the value of the whole first reference line in the third shaping direction is 0 after the whole first reference line is attached to a jig regardless of the deformation condition of the whole mobile phone middle plate; specifically, one side of the material is used as a reference of the first reference connecting line, a first deformation height of the first measuring point C along the third shaping direction of the material is measured, a second deformation height of the second measuring point I along the third shaping direction of the material is measured, wherein the first measuring point C is a height of the first measuring point C relative to a jig plane, which is positioned on the first correction connecting line, is measured when the first reference connecting line is positioned at 0 point on the jig, the height of the second measuring point I relative to the jig plane is the deformation height of the whole mobile phone middle plate, and the correction height for pressing the mobile phone middle plate on the jig is defined based on the deformation height: the correction height of the first measurement point C is-0.5 x the first deformation height, the correction height of the second measurement point I is-0.5 x the second deformation height, namely, the first correction connecting line is subjected to external force pressure shaping according to the reverse 0.5 times of the measured deformation heights at the first measurement point C and the second measurement point I, so that the whole mobile phone middle plate synchronously realizes pressure shaping on the first shaping line, the second shaping line and the first correction connecting line, and deformation points at other parts follow shaping to realize shaping of the whole plane; the first datum point A, the second datum point G, the first measuring point C and the second measuring point I are used as a correction plane, and one side of the correction plane is used as a reference to press and shape the other three sides, so that deformation change of the middle part is not considered, the direction of correction deformation force is more consistent, and the situation that correction internal force difference is easily generated when four points are directly positioned and reshaped is avoided.
In order to perform correction measurement on each side of the shaped mobile phone middle plate, selecting the middle point of the first shaping connecting line as a first correction point B, measuring the height of the first correction point B after shaping materials to be-0.25 x the first deformation height, and if the shaping is qualified; the height of the first measuring point C after shaping is 50% of the height of the first measuring point C, namely the first measuring point C is shaped qualified, and the correction of the integral first shaping connecting line is also shown to meet the flatness requirement.
And meanwhile, selecting the middle point of the second shaping connecting line as a second correction point H, measuring the height of the second correction point H to be-0.25 second deformation height after shaping the material, and performing measurement verification on the correction of the second shaping connecting line to meet the flatness requirement if the shaping is qualified.
In order to perform correction detection after shaping on the middle position of the middle plate of the mobile phone, selecting the middle point of the first reference line as a third reference point D, selecting the middle point of the first correction line as a third correction point F, and selecting the middle point of the third shaping line as a fourth correction point E along the first shaping direction of the material, wherein a third shaping line is arranged between the third reference point D and the third correction point F; before shaping, the connection line between the first datum point A, the second datum point G and the third datum point D is a first curve, the connection line between the second measuring point I and the third correcting point F is a second curve, the connection line between the first correcting point B, the second correcting point H and the fourth correcting point E is a third curve, and radians of the first curve, the second curve and the third curve are the same; the third shaping connecting line positioned in the middle plate of the mobile phone is corrected and detected, so that whether the middle part of the middle plate of the whole mobile phone meets the flatness requirement after shaping can be further judged.
On the basis of the embodiment, the invention also provides a flatness shaping jig applying the flatness shaping method, and the flatness shaping jig can improve the consistency adjustment of the shaping process after the shaping method is adopted, and can realize the shaping process of improving the yield of the same batch of mobile phone middle plates.
Specifically, as shown in fig. 2-5, the flatness shaping jig comprises a lower die 1 and an upper die 2, wherein a shaping positioning platform 3 is arranged on the lower die 1, and a pressing plane 4 matched with the shaping positioning platform 3 is arranged on the upper die 2; the shaping positioning platform 3 is provided with a first datum point A, a first measuring point C, a second datum point G and a second measuring point I, wherein the correction height of the first measuring point C is-0.5 x the first deformation height, and the correction height of the second measuring point I is-0.5 x the second deformation height; the first measuring point C and the second measuring point I are used for measuring the deformation height of the corresponding position of the mobile phone middle plate after being placed on the shaping and positioning platform 3 relative to the shaping and positioning platform 3, and for realizing shaping of the first deformation height of-0.5 x of the first measuring point C by adjusting on the pressing plane 4, and shaping of the second deformation height of-0.5 x of the second measuring point I; therefore, the flatness requirement of the middle frame of the mobile phone is met after one-time plastic extrusion.
Specifically, the lower die 1 is provided with positioning blocks 5 positioned at four corners, the upper die 2 is provided with positioning notches 6 matched with the positioning blocks 5 in a positioning manner, and the positioning blocks 5 are matched with the positioning notches 6 to realize reliable positioning of the upper die 2 and the lower die 1 after die assembly.
The lower die 1 is provided with a positioning hole 7 positioned between the two positioning blocks 5, the upper die 2 is provided with a positioning pin 8 used for being inserted into the positioning hole 7, and the guiding function in the die assembly process can be realized by inserting the positioning pin 8 into the positioning hole 7.
Meanwhile, the shaping positioning platform 3 is provided with a concave structure for positioning the mobile phone middle plate, so that the mobile phone middle plate can be conveniently placed in the shaping process.
In order to facilitate heating or refrigerating of the middle plate of the mobile phone in the shaping process, the middle plate of the mobile phone is adjusted in the shaping process, and the upper die 2 and the lower die 1 are respectively provided with a heating or refrigerating module.
In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (9)
1. A flatness shaping method comprising a material to be shaped, the material having a first shaping direction, a second shaping direction and a third shaping direction perpendicular to each other; the method is characterized in that:
selecting a first datum point (A) and a first measuring point (C) along a first shaping direction of the material, wherein a first shaping connecting line is arranged between the first datum point (A) and the first measuring point (C);
selecting a second datum point (G) and a second measuring point (I) along a first shaping direction of the material, wherein a second shaping connecting line is arranged between the second datum point (G) and the second measuring point (I), and the second shaping connecting line is parallel to the first shaping connecting line;
a first reference connecting line is arranged between the first reference point (A) and the second reference point (G) along the second shaping direction of the material, and a first correction connecting line is arranged between the first measurement point (C) and the second measurement point (I);
measuring a first deformation height of the first measuring point (C) along a third shaping direction of the material by taking the first reference connecting line as a reference on one side of the material, and measuring a second deformation height of the second measuring point (I) along the third shaping direction of the material;
the correction height of the first measurement point (C) is-0.5 x the first deformation height, and the correction height of the second measurement point (I) is-0.5 x the second deformation height.
2. A flatness shaping method according to claim 1, characterized in that: and selecting the middle point of the first shaping connecting line as a first correction point (B), measuring the height of the first correction point (B) to be-0.25 x the first deformation height after shaping the material, and then shaping the material to be qualified.
3. A flatness shaping method according to claim 2, characterized in that: and selecting the middle point of the second shaping connecting line as a second correction point (H), measuring the height of the second correction point (H) to be-0.25 and the second deformation height after shaping the material, and if the shaping is qualified.
4. A flatness shaping method according to claim 3, characterized in that: selecting a midpoint of the first reference line as a third reference point (D), selecting a midpoint of the first correction line as a third correction point (F), and selecting a midpoint of the third shaping line as a fourth correction point (E) along a first shaping direction of the material, wherein the third shaping line is arranged between the third reference point (D) and the third correction point (F);
the connecting lines of the first datum point (A), the second datum point (G) and the third datum point (D) are first curves, the connecting lines of the second measuring point (I), the second measuring point (I) and the third correcting point (F) are second curves, and the connecting lines of the first correcting point (B), the second correcting point (H) and the fourth correcting point (E) are third curves;
the radians of the first curve, the second curve and the third curve are the same.
5. Flatness shaping jig applying a flatness shaping method according to any one of claims 1-4, comprising a lower die (1) and an upper die (2), characterized in that: a shaping positioning platform (3) is arranged on the lower die (1), and a pressing plane (4) matched with the shaping positioning platform (3) is arranged on the upper die (2);
the shaping positioning platform (3) is provided with a first datum point (A), a first measuring point (C), a second datum point (G) and a second measuring point (I), the correction height of the first measuring point (C) is-0.5 x the first deformation height, and the correction height of the second measuring point (I) is-0.5 x the second deformation height.
6. The flatness shaping jig of claim 5, wherein: the lower die (1) is provided with positioning blocks (5) positioned at four corners, and the upper die (2) is provided with positioning notches (6) matched with the positioning blocks (5) in a positioning way.
7. The flatness shaping jig of claim 6, wherein: the lower die (1) is provided with a positioning hole (7) positioned between the two positioning blocks (5), and the upper die (2) is provided with a positioning pin (8) used for being inserted into the positioning hole (7).
8. The flatness shaping jig according to any one of claims 5-7, characterized in that: the upper die (2) and the lower die (1) are provided with heating or refrigerating modules.
9. The flatness shaping jig of claim 5, wherein: the shaping and positioning platform (3) is provided with a concave structure for positioning a middle plate of the mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310033259.5A CN116037711A (en) | 2023-01-10 | 2023-01-10 | Flatness shaping method and flatness shaping jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310033259.5A CN116037711A (en) | 2023-01-10 | 2023-01-10 | Flatness shaping method and flatness shaping jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116037711A true CN116037711A (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310033259.5A Pending CN116037711A (en) | 2023-01-10 | 2023-01-10 | Flatness shaping method and flatness shaping jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116037711A (en) |
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2023
- 2023-01-10 CN CN202310033259.5A patent/CN116037711A/en active Pending
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