CN220880255U

CN220880255U - Notebook keyboard flatness correction clamp

Info

Publication number: CN220880255U
Application number: CN202322370337.9U
Authority: CN
Inventors: 周辉; 李艳芳; 李卫荣; 李乾; 阮家明; 周长文; 刘培玉; 李志琛; 廖法清; 罗学勇
Original assignee: Dongguan Eontec Co Ltd
Current assignee: Dongguan Eontec Co Ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-05-03
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a flatness correction clamp for a notebook keyboard, which comprises a middle bottom plate, wherein the middle bottom plate comprises a first surface and a second surface which are oppositely arranged, and accommodating grooves for accommodating products are formed in the first surface and the second surface; two all articulate on the top surface of the same side of holding tank have the disconnect-type clamp plate subassembly that is used for pressing the product, through adopting the pressfitting of disconnect-type clamp plate, effectively guarantee that the product is pressed to the pressure point because of uneven or the clamp plate deformation of wall thickness leads to the pressure point not to the product, and the clamp adopts one to go out the plastic of two modes chain furnaces, effectual assurance yield and efficiency.

Description

Notebook keyboard flatness correction clamp

Technical Field

The utility model relates to the technical field of magnesium alloy die casting, in particular to a notebook keyboard flatness correction clamp.

Background

The keyboard part of the notebook computer adopts a magnesium alloy die casting, rubber coating and spraying process, wherein in the magnesium alloy die casting process, the magnesium alloy product is die-cast and molded due to uneven wall thickness and large die-stripping packing force, so that the product is deformed in flatness after die casting and cooling, and the stress concentration is deformed elastically.

In the prior art, a special shape correction clamp is designed, as shown in fig. 1-2, an aluminum plate up-down imitation pressing fixture is generally used, and comprises a profiling upper pressing plate a and a profiling lower backing plate b, a notebook computer keyboard is clamped between the profiling upper pressing plate a and the profiling lower backing plate b, and is shaped through a chain oven for 250 degrees and 90 minutes; although the shape correction effect can be achieved, after the shape correction, the product is unstable in deformation, the 20PCS product is verified, the reject ratio is 35%, the production requirement cannot be met, the efficiency is low after the product is discharged, the heat dissipation is slow when the product is discharged from a furnace, the heat dissipation is required to be carried out for 30 minutes, the stress release of the product is insufficient, and the surface of the product has the phenomenon of spring deformation; mainly because the heat dissipation is slow in the shaping and cooling processes of the upper die and the lower die, the stress release is affected; the profiling upper pressing plate a deforms, so that the local pressing point of the clamp cannot be pressed to a product; the thickness of the product is uneven, and the pressing point of one integral pressing plate cannot be pressed to the product; the stability is not enough, and is inefficiency, and the heat dissipation is slow, and easy bullet becomes, influences product yield and efficiency.

Disclosure of utility model

In order to solve the technical problems, the utility model aims to provide the flatness correction clamp for the notebook keyboard, which can be used for quickly radiating heat during product lamination and improving the product yield and efficiency.

In view of the above, there is provided a notebook keyboard flatness correction clamp, comprising a middle bottom plate, wherein the middle bottom plate comprises a first surface and a second surface which are oppositely arranged, and the first surface and the second surface are respectively provided with a containing groove for containing a product; and the top surfaces of the same sides of the two accommodating grooves are hinged with a separated pressing plate assembly for pressing the product.

Further, the platen assembly includes first, second and third removable platens disposed in spaced relation.

Further, the first pressing plate, the second pressing plate and the third pressing plate are provided with pressing blocks matched with the product direction on the inner side of the other end of the hinged part.

Further, the second pressing plate is arranged at the middle position of the middle bottom plate and used for pressing the middle section of the product; the first pressing plate and the third pressing plate are respectively arranged on two sides of the second pressing plate and used for pressing two sides of a product.

Further, the first pressing plate and the third pressing plate are flat cuboid.

Further, a first mounting seat is arranged on one side of the middle bottom plate, and a second mounting seat is arranged on the other side of the middle bottom plate; one end of the first pressing plate, one end of the second pressing plate and one end of the third pressing plate are hinged to the first mounting seat through hinge members, and the other ends of the first pressing plate, the second pressing plate and the third pressing plate are all crossed over the product and are fixed to the second mounting seat through locking members.

Further, the second platen has a width greater than the first platen and the third platen.

Further, the middle section position of second clamp plate is equipped with the first side briquetting that extends to both sides, the one end that the articulated department was kept away from to the second clamp plate is equipped with the second side briquetting that extends to both sides.

Further, a positioning block is arranged on the inner side of the accommodating groove close to the hinge joint.

The utility model has the beneficial effects that: the embodiment of the utility model provides a flatness correction clamp for a notebook keyboard, which comprises a middle bottom plate, wherein the middle bottom plate comprises a first surface and a second surface which are oppositely arranged, and accommodating grooves for accommodating products are formed in the first surface and the second surface; two all articulate on the top surface of the same side of holding tank have the disconnect-type clamp plate subassembly that is used for pressing the product, through adopting the pressfitting of disconnect-type clamp plate, effectively guarantee that the product is pressed to the pressure point because of uneven or the clamp plate deformation of wall thickness leads to the pressure point not to the product, and the clamp adopts one to go out the plastic of two modes chain furnaces, effectual assurance yield and efficiency.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a side view of a prior art notebook keyboard flatness correction jig;

Fig. 2 is a schematic structural view of a profiling upper platen a of a notebook keyboard flatness calibration fixture in the prior art;

FIG. 3 is a schematic view of a structure of a contoured lower pad b of a notebook keyboard flatness calibration fixture in the prior art;

Fig. 4 is a schematic structural diagram of a flatness calibration fixture for a notebook keyboard according to an embodiment of the present utility model;

FIG. 5 is a side view of a notebook keyboard flatness calibration fixture in clamping operation according to an embodiment of the present utility model;

Fig. 6 is a top view of a notebook keyboard flatness calibration fixture according to an embodiment of the present utility model.

In the figure: 100. a product; 1. a middle bottom plate; 10. a receiving groove; 11. a positioning block; 2. a platen assembly; 21. a first platen; 22. a second pressing plate; 220. a first side briquette; 221. a second side press block;

23. A third platen; 24. briquetting; 3. a first mount; 4. a second mounting base; 5. a hinge; 6. a locking piece.

Detailed Description

The embodiment of the utility model provides a flatness correction clamp for a notebook keyboard, which ensures that heat dissipation is fast when products are pressed, and improves the yield and efficiency of the products.

In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions in the embodiments of the present utility model are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Examples:

In order to overcome the defects that the discharging efficiency of the clamp in the prior art is low, the heat dissipation is slow and needs 30 minutes to dissipate when the clamp is discharged from a furnace, the stress of a product is not released enough, and the surface of the product has the phenomenon of deformation, and the like, a notebook keyboard planeness correction clamp of the embodiment is developed, and as shown in fig. 4-6, fig. 4 is a schematic structural diagram of the notebook keyboard planeness correction clamp, and the notebook keyboard planeness correction clamp comprises a middle bottom plate 1, wherein the middle bottom plate 1 comprises a first surface and a second surface which are arranged oppositely, and the first surface and the second surface are respectively provided with a containing groove 10 for containing a product 100; a separate pressing plate assembly 2 for pressing the product 100 is hinged to the top surface of the same side of the two accommodating grooves 10.

In a specific embodiment, through all being provided with the storage tank 10 on the opposite sides of intermediate bottom plate 1, storage tank 10 places the product 100 of waiting to proofread, namely notebook keyboard, pressfitting is carried out to product 100 through articulated clamp plate subassembly 2, and the pressure point of this anchor clamps adopts the clamp plate pressfitting of disconnect-type, effectively guarantees that the product is pressed to the pressure point because of uneven or the clamp plate deformation leads to the pressure point not to reach the product, and the clamp adopts one to go out the plastic of two modes chain ovens, effectual assurance yield and efficiency.

Further, as shown in fig. 4, the platen assembly 2 includes a first platen 21, a second platen 22 and a third platen 23 which are detachably disposed at intervals.

Specifically, through detachable first clamp plate 21, second clamp plate 22 and third clamp plate 23 that the interval set up, through three disconnect-type clamp plate pressfitting product 100, effectively guarantee that the product is pressed to the pressure point because of wall thickness inequality or anchor clamps clamp plate deformation leads to not reaching the product.

Further, as shown in fig. 5, the first, second and third pressing plates 21, 22 and 23 are provided on the inner side of the other end far from the hinge with pressing blocks 24 matching the direction of the product 100.

Specifically, the press points are ensured to be fully pressed onto the product 100 by the press blocks 24.

Further, as shown in fig. 4 to 5, the second pressing plate 22 is disposed at a middle position of the middle bottom plate 1, and is used for pressing a middle section of the product 100; the first pressing plate 21 and the third pressing plate 23 are respectively disposed at two sides of the second pressing plate 22, and are used for pressing two sides of the product 100.

Specifically, three pressing plates are respectively pressed at three positions of the left, middle and right of the product 100 to fix the two sides and the middle of the product 100, so that the stress balance of the product is ensured, the pressing points are all pressed on the product, and the stress release is satisfied.

Further, the first pressing plate 21 and the third pressing plate 23 are flat rectangular parallelepiped.

Specifically, by providing the first pressing plate 21 and the third pressing plate 23 in a flat rectangular parallelepiped shape, the lamination of the product 100 can be performed across the product 100.

Further, as shown in fig. 4 to 6, a first mounting seat 3 is provided on one side of the middle base plate 1, and a second mounting seat 4 is provided on the other side of the middle base plate 1; one ends of the first pressing plate 21, the second pressing plate 22 and the third pressing plate 23 are hinged on the first mounting seat 3 through hinge members 5, and the other ends of the first pressing plate 21, the second pressing plate 22 and the third pressing plate 23 span across the product 100 and are fixed on the second mounting seat 4 through locking members 6.

Specifically, three pressing plates are opened and closed through the hinge piece 5 and the locking piece 6, so that the operation is convenient, and the stress release and the heat dissipation are convenient.

Further, the second pressing plate 22 has a width larger than the first pressing plate 21 and the third pressing plate 23.

Specifically, the second pressing plate 22 needs to be pressed at the middle position of the product 100, so the area needs to be designed to be relatively large, and the pressing area is increased by providing a first side pressing block 220 extending to two sides at the middle position of the second pressing plate 22 and a second side pressing block 221 extending to two sides at one end of the second pressing plate 22 away from the hinge.

Further, a positioning block 11 is arranged on the inner side of the accommodating groove 10 close to the hinge joint.

Specifically, the product 100 is positioned by the positioning block 11, so that leveling is realized.

It is worth to say that the temperature of the clamp is controlled to be 250-260 ℃, the baking time is 80-90 minutes, for example, the product 100 is placed on the clamp and passes through a chain oven for 80 minutes at 260 ℃, the deformation degree of the product after correction meets 2D Spec, the heat can be dissipated after the product is discharged for 10 minutes, the product has no deformation, the product is shaped into one product and two products, the product yield and the efficiency are met, and meanwhile, the cost is saved.

In summary, the embodiment of the utility model provides a notebook keyboard flatness correction fixture, which comprises a middle bottom plate, wherein the middle bottom plate comprises a first surface and a second surface which are oppositely arranged, and accommodating grooves for accommodating products are formed in the first surface and the second surface; two all articulate on the top surface of the same side of holding tank have the disconnect-type clamp plate subassembly that is used for pressing the product, through adopting the pressfitting of disconnect-type clamp plate, effectively guarantee that the product is pressed to the pressure point because of uneven or the clamp plate deformation of wall thickness leads to the pressure point not to the product, and the clamp adopts one to go out the plastic of two modes chain furnaces, effectual assurance yield and efficiency.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The flatness correction clamp for the notebook keyboard is characterized by comprising a middle bottom plate (1), wherein the middle bottom plate (1) comprises a first surface and a second surface which are arranged oppositely, and accommodating grooves (10) for accommodating products (100) are formed in the first surface and the second surface; the top surfaces of the same sides of the two accommodating grooves (10) are hinged with a separated pressing plate assembly (2) for pressing the product (100).

2. The notebook keyboard flatness correction jig according to claim 1, characterized in that the platen assembly (2) comprises a first platen (21), a second platen (22) and a third platen (23) detachably arranged at intervals.

3. The notebook keyboard flatness correction jig according to claim 2, characterized in that the first platen (21), the second platen (22) and the third platen (23) are provided with a press block (24) matching the product (100) on the inner side of the other end away from the hinge.

4. The notebook keyboard flatness correction jig according to claim 2, characterized in that the second pressing plate (22) is provided at a middle position of the middle bottom plate (1) for pressing a middle section of a product (100); the first pressing plate (21) and the third pressing plate (23) are respectively arranged on two sides of the second pressing plate (22) and used for pressing two sides of the product (100).

5. The notebook keyboard flatness correction jig according to claim 2, characterized in that the first pressing plate (21) and the third pressing plate (23) are flat cuboid types.

6. The notebook keyboard flatness correction clamp according to claim 2, characterized in that a first mounting seat (3) is arranged on one side of the middle bottom plate (1), and a second mounting seat (4) is arranged on the other side of the middle bottom plate (1); one end of the first pressing plate (21), one end of the second pressing plate (22) and one end of the third pressing plate (23) are hinged to the first mounting seat (3) through a hinge piece (5), and the other ends of the first pressing plate (21), the second pressing plate (22) and the third pressing plate (23) are all crossed over the product (100) and are fixed to the second mounting seat (4) through a locking piece (6).

7. The notebook keyboard flatness correction jig according to claim 6, characterized in that the second platen (22) has a width larger than the first platen (21) and the third platen (23).

8. The notebook keyboard planeness correction clamp according to claim 7, wherein a first side pressing block (220) extending to two sides is arranged at a middle section position of the second pressing plate (22), and a second side pressing block (221) extending to two sides is arranged at one end of the second pressing plate (22) away from the hinge position.

9. The notebook keyboard planeness correction clamp according to claim 1, wherein a positioning block (11) is arranged on the inner side of the accommodating groove (10) close to the hinge joint.