CN212310603U

CN212310603U - Mold with lock for bending computer shell

Info

Publication number: CN212310603U
Application number: CN202020572190.5U
Authority: CN
Inventors: 彭泉水
Original assignee: Dongguan Pinyang Hardware Technology Co ltd
Current assignee: Dongguan Pinyang Hardware Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-01-08
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to the technical field of dies, in particular to a die with a lock for bending a computer shell, which comprises an upper die base and a lower die base, wherein a lower pressing piece is arranged below the upper die base, stamping blocks and a driving piece are arranged on two sides of the lower pressing piece, and each stamping block is provided with a concave cambered surface; a heating element is arranged below the lower pressing element; the lower die base is provided with a pressure bearing table, and both sides of the pressure bearing table are provided with convex cambered surfaces; the below of upper die base is equipped with the guide post, and the top of die holder is equipped with the guiding hole, and the die holder is equipped with the movable rod, and one side of guiding hole is equipped with the locking groove. The utility model avoids directly pressing and breaking the processed material parts by step punching, and improves the punching effect; the concave cambered surface of the stamping block is used for improving the aesthetic degree of the computer shell; the bending difficulty is reduced through the heating element; when not using, with movable rod and locking groove joint to lock the guide post, avoid the upper die base to fold in the lower die base top, need not additionally to pull up the upper die base when convenient follow-up continuation punching press, improve production efficiency.

Description

Mold with lock for bending computer shell

Technical Field

The utility model belongs to the technical field of the technique of mould and specifically relates to indicate a take lock mould for computer case is buckled.

Background

The computer shell, especially the shell of a portable computer, is used for protecting parts such as a battery and a mainboard in the computer shell, is mostly made of processing materials such as plastic or aluminum alloy materials, the computer shell made of the materials can prolong the service life of the tablet computer, the two sides of the surface of the shell need to be bent into certain radian in order to meet the requirements of ergonomics and light and thin, but the existing stamping device has overlarge stamping force and is easy to directly press and break the processing materials;

when the existing stamping device is not used, the upper die is overlapped above the lower die, and when the existing stamping device is used next time, the upper die needs to be lifted again for discharging, so that the production efficiency is low;

the existing stamping device has no heating softening measure, which can increase the stamping difficulty and lead to higher failure rate of molding and poorer product quality.

Disclosure of Invention

The utility model discloses problem to prior art provides a take lock mould for computer case buckles.

In order to solve the technical problem, the utility model discloses a following technical scheme: a mold with a lock for bending a computer shell comprises an upper mold base and a lower mold base, wherein the lower mold base is arranged right below the upper mold base, the upper mold base is in sliding connection with the lower mold base, a lower pressing piece is arranged below the upper mold base, stamping blocks and driving pieces for driving the stamping blocks to lift are arranged on two sides of the lower pressing piece, the stamping blocks are in sliding connection with the lower pressing piece, and a concave cambered surface is arranged below each stamping block; a heating element is arranged below the lower pressing element; the lower die base is provided with a pressure bearing table, and both sides of the pressure bearing table are provided with convex cambered surfaces for matching the concave cambered surfaces; the below of upper die base is equipped with the guide post, the top of die holder is equipped with the guiding hole that is used for with guide post sliding connection, the die holder is equipped with the movable rod, one side of guiding hole is equipped with the locking groove, the guide post is equipped with the locking hole, the one end of movable rod pass the locking hole and with locking groove joint, the other end of movable rod stretches out the die holder suddenly and is equipped with the drawing piece, be equipped with in the die holder and be used for holding the appearance of establishing the movable rod and establish the groove, the die holder is equipped with the card strip outward, the movable rod is equipped with the card hole that is.

Furthermore, the heating element is a polytetrafluoroethylene heating tube with an M-shaped shape.

Further, the both sides of pushing down the piece all are equipped with the slide rail, and the punching press piece is equipped with the spout that is used for with slide rail sliding connection.

Further, the driving member is a stepping motor.

Further, the connecting mode of holding down piece and upper die base is the spiro union, and the die holder is equipped with the dead lever that is used for pressing from both sides tight pressure bearing platform, dead lever and die holder sliding connection, and the dead lever cover is equipped with the spring, and the one end and the dead lever of spring are connected, and the other end and the die holder of spring are connected.

Furthermore, the bottom of the lower die holder is provided with a plurality of support legs.

The utility model has the advantages that: the utility model avoids directly pressing and breaking the processed material parts by step punching, and improves the punching effect; the concave cambered surface of the stamping block is matched with the convex cambered surface of the bearing table to stamp and bend the machined material piece into a certain radian, so that the attractiveness of the computer shell is improved; the effect of heating the processed material part through the heating element optimizes the effect of subsequent punch forming and reduces the bending difficulty;

when not using, extract the card strip from the card hole, make the movable rod stretch into under the elastic force effect of first spring to pass the locking hole in proper order and with locking groove joint, thereby lock the guide post, avoid the upper die base to fold in the lower die base top, need not additionally to pull up the upper die base when convenient follow-up continuation punching press, improve production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structure diagram of the pushing down piece and the processing material piece.

Fig. 3 is the stamping part carries out the schematic structural diagram of punching press to processing material spare.

Fig. 4 is the schematic structural diagram of the forming of the processed material part of the present invention.

Fig. 5 is a sectional view of the lower die holder when the utility model is in use.

Fig. 6 is a cross-sectional view of the lower die holder when the present invention is not in use.

Fig. 7 is a schematic structural view of the pressing member and the heating member of the present invention.

Reference numerals: 1. an upper die holder; 2. a lower die holder; 3. a push-down member; 4. stamping the blocks; 5. a drive member; 6. a concave arc surface; 7. a heating member; 8. a pressure bearing table; 9. a convex arc surface; 10. a guide post; 11. a movable rod; 12. a guide hole; 13. a locking groove; 14. a locking hole; 15. a support leg; 16. pulling the piece; 17. accommodating the groove; 18. clamping the strip; 19. processing a material piece; 20. fixing the rod; 21. A spring; 22. a slide rail; 23. a sliding groove, 24 and a clamping hole.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 7, a mold with a lock for bending a computer housing includes an upper mold base 1 and a lower mold base 2, the lower mold base 2 is disposed under the upper mold base 1, the upper mold base 1 is slidably connected to the lower mold base 2, a lower pressing member 3 is disposed under the upper mold base 1, two sides of the lower pressing member 3 are respectively provided with a stamping block 4 and a driving member 5 for driving the stamping block 4 to move up and down, the stamping block 4 is slidably connected to the lower pressing member 3, and a concave arc surface 6 is disposed under each stamping block 4; a heating element 7 is arranged below the lower pressing element 3; the lower die base 2 is provided with a pressure bearing table 8, and both sides of the pressure bearing table 8 are provided with convex cambered surfaces 9 for matching the concave cambered surfaces 6; the below of upper die base 1 is equipped with guide post 10, the top of lower die base 2 is equipped with the guiding hole 12 that is used for with guide post 10 sliding connection, lower die base 2 is equipped with movable rod 11, one side of guiding hole 12 is equipped with locking groove 13, guide post 10 is equipped with locking hole 14, locking hole 14 is passed to the one end of movable rod 11 and with locking groove 13 joint, the other end of movable rod 11 stretches out lower die base 2 suddenly and is equipped with and draws 16, be equipped with in the lower die base 2 and be used for holding the appearance of establishing movable rod 11 and establish groove 17, lower die base 2 is equipped with card strip 18 outward, movable rod 11 is equipped with the card hole 24 that is used for card strip 18 joint. Specifically, a processing material 19 used as a computer shell is placed on a bearing table 8, an external air cylinder or a motor drives an upper die holder 1 to descend towards a lower die holder 2, so that the lower die holder 3 descends to be abutted to the middle of the processing material 19, and the heating element 7 heats and transfers heat to the processing material 19. Then the driving piece 5 drives the punching block 4 to descend to abut against the two sides of the processed material 19, the concave cambered surfaces 6 of the punching block 4 drive the two sides of the processed material 19 to be bent to abut against the convex cambered surfaces 9 of the two sides of the pressure bearing table 8, and therefore the two sides of the processed material 19 form an arc shape.

The utility model avoids directly breaking the processed material part 19 by step punching, thereby improving the punching effect; the concave cambered surface 6 of the punching block 4 is matched with the convex cambered surface 9 of the bearing table 8 to punch and bend the processing material 19 into a certain radian, so that the attractiveness of the computer shell is improved; the effect of heating the processing material part 19 by the heating part 7 is optimized, the effect of subsequent punch forming is optimized, and the bending difficulty is reduced; in the stamping process, the guide posts 10 and the guide holes 12 ensure that the upper die holder 1 cannot deviate during descending and ascending actions, and the guide function is achieved. When not using, stretch into the movable rod 11 and pass locking hole 14 in proper order and with locking groove 13 joint to lock guide post 10, insert card strip 18 the card hole 24 of movable rod 11 and carry out the joint after that, guarantee that the distance that movable rod 11 stretched into is unchangeable, avoid upper die base 1 to fold in lower die base 2 top, need not additionally to pull up upper die base 1 when convenient follow-up continuation punching press, improve production efficiency. When it is necessary to use the slide bar 18 is pulled out from the locking hole 24, and the movable lever 11 is pulled out from the locking groove 13 and the locking hole 14 in order by the pulling piece 16 until the movable lever 11 is separated from the guide lever, thereby releasing the locked state. The subsequent guide post 10 and the guide hole 12 are convenient to be connected in a sliding way.

In this embodiment, the heating member 7 is an M-shaped teflon heating tube. The M shape can be fully distributed below the stamping block 4, and the uniform heating effect is achieved. The polytetrafluoroethylene heating tube has the characteristics of safety, reliability, no electric leakage, difficult burning and good bending performance.

In this embodiment, the two sides of the lower pressing member 3 are both provided with slide rails 22, and the stamping block 4 is provided with a sliding groove 23 for slidably connecting with the slide rails 22. Ensure that the lower pressing piece 3 can not deviate during descending action and ascending action, thereby playing a guiding role.

In this embodiment, the driving member 5 is a stepping motor. Therefore, the driving efficiency is improved, and the smooth action is ensured.

In this embodiment, the connection mode of the lower pressing piece 3 and the upper die holder 1 is a screw joint, the lower die holder 2 is provided with a fixing rod 20 for clamping the pressure bearing table 8, the fixing rod 20 is slidably connected with the lower die holder 2, the fixing rod 20 is sleeved with a spring 21, one end of the spring 21 is connected with the fixing rod 20, and the other end of the spring 21 is connected with the lower die holder 2. Specifically, because the sizes of different computer housings are different, the pressing pieces 3 with different sizes can be replaced by screwing; through dead lever 20 and die holder 2 sliding connection, conveniently press from both sides tight not unidimensional bearing platform 8, improve the clamp force of dead lever 20 through the elastic force effect of spring 21 to guarantee that bearing platform 8 stabilizes and can not squint.

In this embodiment, the bottom of the lower die base 2 is provided with a plurality of support legs 15. Plays the role of making the lower die holder 2 overhead and plays the role of water resistance and moisture resistance.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a take lock mould for computer case is buckled which characterized in that: the stamping die comprises an upper die base (1) and a lower die base (2), wherein the lower die base (2) is arranged right below the upper die base (1), the upper die base (1) is in sliding connection with the lower die base (2), a lower pressing piece (3) is arranged below the upper die base (1), stamping blocks (4) and a driving piece (5) used for driving the stamping blocks (4) to move up and down are arranged on two sides of the lower pressing piece (3), the stamping blocks (4) are in sliding connection with the lower pressing piece (3), and a concave arc surface (6) is arranged below each stamping block (4); a heating element (7) is arranged below the lower pressing element (3); the lower die base (2) is provided with a pressure bearing table (8), and both sides of the pressure bearing table (8) are provided with convex cambered surfaces (9) matched with the concave cambered surfaces (6); the below of upper die base (1) is equipped with guide post (10), the top of lower die base (2) is equipped with be used for with guide post (10) sliding connection's guiding hole (12), lower die base (2) are equipped with movable rod (11), one side of guiding hole (12) is equipped with locking groove (13), guide post (10) are equipped with locking hole (14), locking hole (14) are passed to the one end of movable rod (11) and with locking groove (13) joint, the other end of movable rod (11) stretches out lower die base (2) suddenly and is equipped with and draws piece (16), be equipped with in lower die base (2) and be used for holding the appearance of establishing movable rod (11) and establish groove (17), die base (2) are equipped with card strip (18) outward, movable rod (11) are equipped with card hole (24) that are used for card strip (18) joint.

2. The mold with lock for bending computer case according to claim 1, wherein: the heating element (7) is an M-shaped polytetrafluoroethylene heating tube.

3. The mold with lock for bending computer case according to claim 1, wherein: both sides of the lower pressing piece (3) are provided with slide rails (22), and the stamping block (4) is provided with a sliding groove (23) which is used for being in sliding connection with the slide rails (22).

4. The mold with lock for bending computer case according to claim 1, wherein: the driving piece (5) is a stepping motor.

5. The mold with lock for bending computer case according to claim 1, wherein: the connecting mode of holding down piece (3) and upper die base (1) is the spiro union, and die holder (2) are equipped with dead lever (20) that are used for pressing from both sides tight pressure-bearing platform (8), and dead lever (20) and die holder (2) sliding connection, and dead lever (20) cover is equipped with spring (21), and the one end and the dead lever (20) of spring (21) are connected, and the other end and the die holder (2) of spring (21) are connected.

6. The mold with lock for bending computer case according to claim 1, wherein: the bottom of the lower die holder (2) is provided with a plurality of support legs (15).