CN215882629U - Pressure maintaining die for flat rear cover - Google Patents

Abstract

The utility model discloses a pressure maintaining die for a flat plate rear cover. A guide plate is arranged on the workbench; the lower die is arranged at the upper end of the workbench and can move relative to the workbench, the lower die comprises an upper sliding block and a lower sliding block, the upper sliding block is slidably arranged on the lower sliding block, and the lower sliding block is slidably arranged on the guide plate; the upper die is movably arranged above the lower die, the lower end face of the upper die is provided with the rear cover assembly, and the upper die can drive the rear cover assembly to move downwards to the upper end face of the lower die. The upper die drives the rear cover assembly to move downwards, the upper die moves to the upper end face of the lower die, the lower sliding block slides on the guide plate, the upper sliding block slides on the lower sliding block in a matching mode, the upper end face of the lower die is tightly attached to each corner of the rear cover assembly, glue between the aluminum piece and the plastic piece is solidified, and each corner can be adhered together, so that the requirement of product matching is met, and the product yield is improved.

Description

Pressure maintaining die for flat rear cover

Technical Field

The utility model relates to the technical field of electronic equipment production, in particular to a pressure maintaining die for a flat plate rear cover.

Background

The flat plate becomes a toy in people's life by virtue of high playability, so the delicate workmanship of the flat plate becomes the continuous pursuit of manufacturing enterprises.

At present, in the design and manufacturing process of a flat rear cover, the rear cover generally adopts a structural form of combining an aluminum alloy and a plastic part, in order to realize a gapless and flat thin appearance part, more and more adhesives are adopted to bond and attach to form a rear cover assembly in the assembling process, and after the rear cover assembly is bonded, a pressure maintaining mold with an upper concave-convex mold structure and a lower concave-convex mold structure is generally adopted in the pressure maintaining bonding process. But because the corner of aluminium part and working of plastics has the space clearance on, unsmooth mould can't contact aluminium part and plastic part in product clearance department about, can't compress tightly aluminium part and plastic part, leads to gapped on the corner of product, leads to the product distortion to be unsightly easily to cause the yields of product to descend.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the pressure maintaining mold for the flat plate rear cover, which can enable a plastic part to be tightly attached to the flat plate rear cover, eliminate the gap between the rear cover components and greatly improve the yield of products.

According to a flat back cover pressure maintaining mold of a first embodiment of the present invention, the flat back cover pressure maintaining mold includes a table, a lower mold, and an upper mold. A guide plate is arranged on the workbench; the lower die is arranged at the upper end of the workbench and can move relative to the workbench, the lower die comprises an upper sliding block and a lower sliding block, the upper sliding block is slidably arranged on the lower sliding block, and the lower sliding block is slidably arranged on the guide plate; the upper die is movably arranged above the lower die, the lower end face of the upper die is provided with a rear cover assembly, and the upper die can drive the rear cover assembly to move downwards to the upper end face of the lower die.

The pressure maintaining mold for the flat plate rear cover disclosed by the embodiment of the utility model at least has the following beneficial effects: the upper die drives the rear cover component to move downwards and move to the upper end face of the lower die, so that the rear cover component is attached to the upper end face of the lower die, the lower sliding block slides on the guide plate and is matched with the upper sliding block which slides on the lower sliding block, the upper end face of the lower die is closely attached to each corner of the rear cover component, glue between the aluminum part and the plastic part is solidified, and each gap and each corner can be adhered together, so that the requirement of product matching is met, the yield of products is greatly improved, and finally, greater benefits are brought to enterprises.

According to some embodiments of the utility model, the pressure maintaining die for the flat back cover further comprises a driving member, an output end of the driving member is connected with an upper end surface of the upper die, a mounting plate is mounted above the workbench through a support column, and the driving member is arranged on the mounting plate.

According to some embodiments of the utility model, the drive member is a cylinder.

According to some embodiments of the utility model, the upper slide block is provided with four blocks, the lower slide block is provided with two blocks, two blocks of the upper slide block slide on one block of the lower slide block, the other two blocks of the upper slide block slide on the other block of the lower slide block, one block of the lower slide block slides on the guide plate, and the other block of the lower slide block slides on the guide plate.

According to some embodiments of the present invention, a first driving block and a second driving block are fixedly disposed on the worktable, the first driving block is disposed between the side ends of the two upper sliding blocks, the first driving block can drive the upper sliding block to slide, the second driving block is disposed between the top ends of the two lower sliding blocks, and the second driving block can drive the lower sliding block to slide.

According to some embodiments of the utility model, the upper ends of the first and second driving blocks are each provided with a slope.

According to some embodiments of the present invention, a first cushion block is disposed between the side ends of the upper sliding block, and the first cushion block can abut against the first driving block.

According to some embodiments of the utility model, a positioning column is arranged on the upper end face of the workbench, the positioning column penetrates through the lower die and is positioned on the center of the lower die, a second cushion block is arranged on the side face of the upper end of the positioning column, and the upper sliding block can abut against the second cushion block.

According to some embodiments of the present invention, the two ends of the lower slider are both provided with an elastic member, the upper slider can abut against the elastic member, the two ends of the guide plate are both provided with the elastic member, and the lower slider can abut against the elastic member.

According to some embodiments of the utility model, a lower end surface of the upper mold is provided with a heating layer, and the heating layer is attached to the rear cover assembly.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a flat back cover pressure maintaining mold according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating the upper mold and the lower mold of the flat back cover pressure maintaining mold shown in fig. 1 being engaged;

FIG. 3 is an exploded view of the upper and lower molds shown in FIG. 2;

FIG. 4 is a schematic bottom view of the upper mold shown in FIG. 2;

fig. 5 is a schematic structural view of the lower mold shown in fig. 2.

Reference numerals:

the device comprises a workbench 10, a guide plate 11, a first driving block 12, a second driving block 13 and a positioning column 14;

the lower die 20, the upper slide block 21, the first cushion block 211, the second cushion block 212, the lower slide block 22 and the elastic piece 23;

an upper mold 30, a rear cover assembly 31, an aluminum piece 311 and a plastic piece 312;

drive 40, support column 41, mounting plate 42.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, according to a plate back cover pressure maintaining mold according to a first embodiment of the present invention, the plate back cover pressure maintaining mold may include a table 10, a lower mold 20, and an upper mold 30. A guide plate 11 is arranged on the workbench 10; the lower mold 20 is disposed at an upper end of the table 10, and the lower mold 20 may be movable with respect to the table 10. The lower die 20 comprises an upper slide block 21 and a lower slide block 22, wherein the upper slide block 21 is slidably arranged on the lower slide block 22, and the lower slide block 22 is slidably arranged on the guide plate 11; the upper mold 30 is movably disposed above the lower mold 20, a rear cover assembly 31 is disposed on a lower end surface of the upper mold 30, and the upper mold 30 can drive the rear cover assembly 31 to move down to an upper end surface of the lower mold 20. It should be noted that, referring to fig. 4, the back cover assembly 31 includes a flat back cover aluminum member 311 and a plastic member 312 bonded to the back cover aluminum member 311.

Therefore, it can be understood that the upper mold 30 drives the rear cover assembly 31 to move downwards and move to the upper end surface of the lower mold 20, so that the rear cover assembly 31 is attached to the upper end surface of the lower mold 20, and the upper end surface of the lower mold 20 is provided with an attaching surface (not labeled) adapted to the rear cover assembly 31, which is engaged with the plastic member 312 in the rear cover assembly 31, so that the rear cover assembly 31 can be better attached to the upper end surface of the lower mold 20. And the continuous pressure maintaining and pressing of the upper die 30 can make the glue between the aluminum piece 311 and the plastic piece 312 uniformly distributed and increase the bonding strength. And lower slider 22 slides on can leading to board 11, the cooperation upper slide 21 slides on lower slider 22 for the binding face of the up end on the bed die 20 is toward all around dispersion removal and is opened, and then makes the binding face closely laminate to each corner around rear cover subassembly 31, make the glue between aluminium part 311 and the working of plastics 312 solidify the back, every gap and corner all can glue together, thereby reach product complex requirement, and then improved the yields of product widely, finally bring bigger profit for the enterprise.

Referring to fig. 1 to 3, according to some embodiments of the present invention, the flat back cover pressure maintaining mold further includes a driving member 40, an output end of the driving member 40 is connected to an upper end surface of the upper mold 30, a mounting plate 42 is mounted above the table 10 through a supporting column 41, and the driving member 40 is disposed on the mounting plate 42. It can be thought that the output end of the driving member 40 fixedly installed on the mounting plate 42 penetrates through the mounting plate 42 and is connected to the upper end surface of the upper mold 30, so that the output end of the driving member 40 is linear output of up-and-down motion for realizing up-and-down motion of the upper mold 30, and an air cylinder with flexible output can be selected, and the output end of the air cylinder is connected to the upper end surface of the upper mold 30, so that the air cylinder can drive the upper mold 30 to move up and down, and the rear cover assembly 31 can be pressed and attached to the upper end surface of the lower mold 20 by moving down, and can continuously maintain pressure after staying for a period of time.

It should be emphasized that the driving member 40 can be a hydraulic cylinder with smooth operation and high load, besides the above-mentioned cylinder, and the servo motor can be used to drive the rack to push the upper mold 30 for the purpose of moving the upper mold 30. Therefore, the present invention is not limited to the specific form of the driving member 40, and the moving operation of the upper mold 30 may be satisfied.

Referring to fig. 1 to 3, according to some embodiments of the present invention, the upper slider 21 is provided with four pieces, the lower slider 22 is provided with two pieces, two pieces of the upper slider 21 slide on one piece of the lower slider 22, the other two pieces of the upper slider 21 slide on the other piece of the lower slider 22, one piece of the lower slider 22 slides on the guide plate 11, and the other piece of the lower slider 22 slides on the guide plate 11. Therefore, according to the first embodiment of the present invention, since the upper end surfaces of the four upper sliders 21 are provided with the abutting surfaces abutting against the plastic member 312, it is conceivable that when the upper sliders are slid together, the upper end surfaces of the upper sliders 21 are combined into the abutting surfaces, and the rear cover assembly 31 is pressed downward to abut against the plastic member 312, so that the aluminum member 311 and the plastic member 312 are tightly abutted.

However, it should be noted that, to realize the sliding convergence of the upper slide block 21, the sliding fit of the lower slide block 22 is required, so the above embodiment is specifically described by taking the pressure maintaining mold in the drawing as an example:

the lower end surfaces of the two lower sliding blocks 22 are respectively provided with a convex block (not marked in the figure), the guide plate 11 is provided with two sliding grooves, the two convex blocks respectively slide in the two sliding grooves, and then the two lower sliding blocks 22 can respectively slide on the guide plate 11. Meanwhile, the lower end surfaces of the four upper sliding blocks 21 are also provided with convex blocks, the upper end surfaces of the two lower sliding blocks 22 are also provided with sliding grooves, so that the two upper sliding blocks 21 slide on one lower sliding block 22, and the other two upper sliding blocks 21 slide on the other lower sliding block 22. Therefore, referring to fig. 3, it can be understood that the lower slider 22 can slide left and right on the guide plate 11, and further, the upper slider 21 can slide left and right, and meanwhile, the upper slider 21 can slide back and forth on the lower slider 22, and the comprehensive movement of the upper slider 21 can be a dispersed sliding to the periphery or a gathered sliding to the center.

Referring to fig. 3, it can also be understood that, the four upper sliding blocks 21 are gathered to slide toward the center, so that the upper die 30 drives the rear cover assembly 31 to move down to be attached to and press the attachment surface of the upper end surface of the upper die 30, and the upper die 30 continuously performs pressure maintaining and pressing, so that the glue between the aluminum part 311 and the plastic part 312 in the rear cover assembly 31 is uniformly distributed, and the bonding strength is increased, so as to improve the yield of the product. In addition, last mould 30 lasts the in-process that compresses tightly lower mould 20, four upper sliding block 21 in the lower mould 20 can be slided and move away to dispersion all around, and then make laminating on the up end of upper sliding block 21 disperse all around towards, mould 30's compressing tightly in the cooperation, can realize that the laminating face closely laminates to each corner all around of back shroud subassembly 31 on, thereby make the glue between aluminium part 311 and the working of plastics 312 solidify the back, every gap and corner homoenergetic enough glue together, and then reach the requirement of product cooperation, finally effectively improved the yields of product.

Referring to fig. 1 to 3, further, in order to realize the automatic sliding of the upper slider 21 and the lower slider 22, a first driving block 12 and a second driving block 13 are fixedly installed on the table 10 according to some embodiments of the present invention. Referring to fig. 3, the first driving block 12 is inserted between the side ends of two upper slide blocks 21, the two upper slide blocks 21 are upper slide blocks 21 sliding on the same lower slide block 22, and the two side ends are the left and right sides of the lower mold 20. Therefore, it can be understood that the upper die 30 moves downward to press the lower die 20, the lower die 20 moves downward, the first driving block 12 is fixed, and the first driving block 12 can push the upper sliding blocks 21 away from both sides of the first driving block, so as to realize the forward and backward sliding of the upper sliding blocks 21, and similarly, the other two upper sliding blocks 21 also perform the same forward and backward sliding movement. The second driving block 13 is arranged between the top ends of the two lower sliding blocks 22 in a penetrating manner, and the top ends of the two lower sliding blocks 22 are the front side and the rear side of the lower die 20, so that the second driving block 13 can push the lower sliding blocks 22 away from the two sides of the lower sliding blocks, the left and right deviation sliding of the lower sliding blocks 22 is realized, and the upper sliding block 21 is driven to move left and right. In conclusion, the upper slide block 21 can slide away in a scattered manner.

It should be emphasized that the lower mold 20 with the driving block matching activity of the above embodiment can automatically drive the upper slider 21 and the lower slider 22 to slide, and the structure is simple without adding any other external force. However, the upper slider 21 and the lower slider 22 may be driven to slide by other external force, and the sliders may be driven and pulled by electric power, and therefore, the sliding manner of the upper slider 21 and the lower slider 22 is not particularly limited, and the sliding requirement of the upper slider 21 may be satisfied.

Referring to fig. 3 and 5, further, according to some embodiments of the present invention, the upper ends of the first and second driving blocks 12 and 13 are each provided with a slope. The inclined surfaces serve as guides, so that the upper slide 21 and the lower slide 22 slide on their inclined surfaces to both sides.

Referring to fig. 2 to 3, according to some embodiments of the present invention, it can be understood from the above embodiments that, in the case of friction loss between the upper slide block 21 and the first driving block 12, the first cushion block 211 is disposed between the side ends of the upper slide block 21, and the first cushion block 211 can abut against the first driving block 12, so as to prevent the upper slide block 21 and the first driving block 12 from directly rubbing against each other, and further reduce the loss of the upper slide block 21 by the first driving block 12, and after the cushion block is lost, the upper slide block 21 can be directly disassembled and replaced by a new first cushion block 211, so as to avoid the occurrence of replacing the whole lower mold 20, and finally reduce the maintenance cost. If the first driving block 12 is seriously worn, the first driving block 12 can be directly replaced, and the maintenance cost is lower. Therefore, it is conceivable that the first cushion block 211 is disposed between the lower slider 22 and the second driving block 13 to prevent the lower slider 22 from being worn seriously and the lower mold 20 from being frequently replaced.

Referring to fig. 5, according to some embodiments of the present invention, it can be further understood from the above embodiments that when the upper slide block 21 is gathered to slide toward the center, the slide blocks may collide and rub with each other, so the upper end surface of the working table 10 is provided with the positioning column 14, the positioning column 14 is disposed through the lower mold 20 and is located on the center of the lower mold 20, the side surface of the upper end of the positioning column 14 is provided with the second cushion block 212, the upper slide block 21 can be abutted against the second cushion block 212, and the second cushion block 212 can well protect the upper slide block 21, so that the service life of the upper mold 30 can be prolonged.

Referring to fig. 3 and 5, according to some embodiments of the present invention, the lower slider 22 is provided with elastic members 23 at both ends thereof, the upper slider 21 can abut against the elastic members 23, the guide plate 11 is also provided with elastic members 23 at both ends thereof, and the lower slider 22 can abut against the elastic members 23. The flaring and sliding block 22 can be pushed away by the first driving block 12 and the second driving block 13 respectively, so that the automation operability is high, and the pressure maintaining of the rear cover assembly 31 is facilitated. Therefore, the elastic piece 23 can be used for resetting the pushed upper slide block 21 and the pushed lower slide block 22, and the reset upper slide block 21 forms a better attaching surface, which is beneficial for the rear cover assembly 31 to move downwards to attach to the attaching surface.

Therefore, it should be noted that the pushed lower slide 22 abuts against the elastic members 23 at two ends of the guide plate 11, the elastic members 23 are squeezed to convert and store elastic potential energy, the pushed upper slide 21 abuts against the elastic members 23 at two ends of the lower slide 22, the elastic members 23 are squeezed to convert and store elastic potential energy, when the upper mold 30 finishes the pressing work, the lower mold 20 is moved upward, the upper mold 30 moves upward, the first driving member 40 and the second driving member 40 respectively release the upper slide 21 and the lower slide 22, so the upper slide 21 and the lower slide 22 respectively slide in opposite directions under the action force of the elastic members 23, and finally the upper slide 21 slides toward the center and gathers to form a matching joint surface for the next rear cover assembly 31 to press the next rear cover assembly 31. In addition, the elastic member 23 also has a buffering function to buffer the sliding upper slider 21 and the sliding lower slider 22, so that the upper slider 21 and the sliding lower slider 22 can be protected and the upper slider 21 and the sliding lower slider 22 can be prevented from being collided.

It should also be emphasized that the resilient element 23 may be a conventional spring, one end of which is connected to the guide plate 11 or the lower slider 22, and the other end of which is capable of bearing against the upper slider 21 or the lower slider 22. Of course, the elastic member 23 may be a rubber member having elasticity, except for a spring, so that the embodiment does not specifically limit the form of the elastic member 23, and the restoring and protecting functions of the elastic member 23 of the embodiment can be achieved.

According to some embodiments of the present invention, the lower end surface of the upper mold 30 is provided with a heating layer (not shown in the drawings), which is attached to the rear cover assembly 31. In the pressing process of the upper mold 30 to the rear cover assembly 31, the heating layer can be used for heating the aluminum part 311 on the rear cover assembly 31, the aluminum part 311 transfers heat to glue between the aluminum part 311 and the plastic part 312, and then the upper mold 30 is matched to compress the glue, the glue at each position is uniformly spread out, and then larger viscous force is generated, so that the aluminum part 311 and the plastic part 312 are more tightly attached and are not easy to fall off, and then the upper sliding block 21 and the lower sliding block 22 are matched to slide, dead corners, corners and gaps between the aluminum part 311 and the plastic part 312 are eliminated, and finally the requirement of product matching is met, so that the yield of products is greatly improved, and finally, greater benefits are brought to enterprises.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (10)

1. The utility model provides a lid pressurize mould behind dull and stereotyped which characterized in that includes:

the guide plate is arranged on the workbench;

the lower die is arranged at the upper end of the workbench and can move relative to the workbench, the lower die comprises an upper sliding block and a lower sliding block, the upper sliding block is slidably arranged on the lower sliding block, and the lower sliding block is slidably arranged on the guide plate; and

the upper die is movably arranged above the lower die, the lower end face of the upper die is provided with a rear cover assembly, and the upper die can drive the rear cover assembly to move downwards to the upper end face of the lower die.

2. The pressure maintaining die for the flat back cover as claimed in claim 1, further comprising a driving member, wherein an output end of the driving member is connected to an upper end surface of the upper die, a mounting plate is mounted above the worktable through a support column, and the driving member is disposed on the mounting plate.

3. The flat back cover pressure maintaining mold as claimed in claim 2, wherein the driving member is a cylinder.

4. The flat back cover pressure maintaining mold according to claim 1, wherein the upper slide block is provided with four pieces, and the lower slide block is provided with two pieces, two pieces of the upper slide block slide on one piece of the lower slide block, and the other two pieces of the upper slide block slide on the other piece of the lower slide block, one piece of the lower slide block slide on the guide plate, and the other piece of the lower slide block slide on the guide plate.

5. The pressure maintaining die for the flat back cover as claimed in claim 4, wherein a first driving block and a second driving block are fixedly arranged on the worktable, the first driving block is inserted between the side ends of the two upper sliding blocks, the first driving block can drive the upper sliding block to slide, the second driving block is inserted between the top ends of the two lower sliding blocks, and the second driving block can drive the lower sliding block to slide.

6. The flat back cover pressure maintaining mold as claimed in claim 5, wherein the upper ends of the first driving block and the second driving block are provided with slopes.

7. The flat back cover pressure maintaining mold according to claim 5, wherein a first cushion block is disposed between side ends of the upper slide block, and the first cushion block can abut against the first driving block.

8. The flat plate back cover pressure maintaining mold according to claim 5, wherein the upper end surface of the worktable is provided with a positioning column, the positioning column penetrates through the lower mold and is located on the center of the lower mold, a second cushion block is arranged on the side surface of the upper end of the positioning column, and the upper slide block can abut against the second cushion block.

9. The flat back cover pressure maintaining mold according to claim 5, wherein two ends of the lower sliding block are provided with elastic members, the upper sliding block can abut against the elastic members, two ends of the guiding plate are provided with the elastic members, and the lower sliding block can abut against the elastic members.

10. The flat plate back cover pressure maintaining mold according to claim 1, wherein a heating layer is provided on a lower end surface of the upper mold, and the heating layer is attached to the back cover assembly.

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