CN215921128U

CN215921128U - Anti-cracking and anti-wrinkling efficient mold for DDR shielding cover

Info

Publication number: CN215921128U
Application number: CN202121227828.2U
Authority: CN
Inventors: 江华; 胡文明
Original assignee: Kunshan Ruiyou Precision Components Co ltd
Current assignee: Kunshan Ruiyou Precision Components Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-03-01
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to the technical field of shielding cases, and discloses a DDR shielding case cracking and wrinkling prevention efficient die which comprises an upper die holder and a lower die holder, wherein the bottom of the upper die holder is fixedly connected with an upper die plate, the top of the lower die holder is fixedly connected with a lower die plate, the bottom of the upper die plate is fixedly connected with a die core, and the top of the lower die plate is provided with a groove. This DDR shield cover prevents ftractureing high-efficient mould that corrugates, through the mold core, a groove, the die cavity, the mouth of moulding plastics, horizontal runner, vertical runner, first fixed block, the second fixed block, the activity groove, the movable block, the activity hole, the gag lever post, the pull ring, extension spring, mutually support between spacing hole and the inserted bar, thereby can carry out injection moulding to a plurality of products simultaneously, and can fix first fixed block and second fixed block, prevent the skew from appearing between cope match-plate pattern and the lower bolster, make the mold core more stable in the inside of die cavity, and then improve the fashioned effect of product, avoid the phenomenon of corrugating to appear in the product surface.

Description

Anti-cracking and anti-wrinkling efficient mold for DDR shielding cover

Technical Field

The utility model relates to the technical field of shielding cases, in particular to a DDR shielding case anti-cracking and anti-wrinkling efficient mold.

Background

DDR is a double data rate synchronous dynamic random access memory, which is called a memory bank for short, and a shielding case is a tool for shielding electronic signals, and is used for shielding the influence of external electromagnetic waves on an internal circuit and the outward radiation of the internally generated electromagnetic waves, so that the influence of the external electromagnetic waves on the memory bank can be avoided by arranging the shielding case; however, in the production process of the shielding case, injection molding needs to be performed through a mold, but in the production process, the surface of the product becomes rough and wrinkles due to instability between the mold core and the mold cavity, the yield of product production is reduced, and the using effect of the product is affected, so that the problem of the occurrence of the DDR shielding case cracking and wrinkling prevention efficient mold needs to be solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the anti-cracking and anti-wrinkling efficient mold for the DDR shield, which has the advantages of improving the stability between a mold core and a cavity, enabling the view effect between an upper mold base and a lower mold base to be better, further preventing the wrinkling phenomenon on the surface of a formed product and the like, and solves the problems that the surface of the product becomes rough and wrinkled due to the instability between the mold core and the cavity in the production process of the product, the qualified rate of product production is reduced, and the using effect of the product is influenced.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a DDR shield cover anti-cracking and anti-wrinkling efficient die comprises an upper die base and a lower die base, wherein an upper die plate is fixedly connected to the bottom of the upper die base, a lower die plate is fixedly connected to the top of the lower die base, a die core is fixedly connected to the bottom of the upper die plate, a groove is formed in the top of the lower die plate, a cavity is formed in the groove, an injection molding port is formed in the top of the upper die base, a transverse flow channel is formed in the upper die plate, a longitudinal flow channel is formed in the upper die plate, a first fixing block is fixedly connected to the front side and the rear side of the upper die plate, a second fixing block is fixedly connected to the front side and the rear side of the lower die plate, a movable groove is formed in the top of the second fixing block, a movable block is fixedly connected to the bottom of the first fixing block, a movable hole is formed in one side, far away from the lower die plate, and a limiting rod is movably inserted in the movable hole, the limiting device is characterized in that one end of the limiting rod, far away from the lower template, is fixedly connected with a pull ring, one end of the pull ring, close to the limiting rod, is fixedly connected with an extension spring, a limiting hole which penetrates through the limiting rod is formed in the movable block, and an insertion rod is fixedly connected with the interior of the pull ring.

Preferably, the inside of lower bolster is provided with the circulation water course, the inlet outlet has all been seted up to both sides around the lower bolster, the inside of lower bolster is seted up the intercommunication water course that runs through from beginning to end, the inside fixedly connected with seal block of intercommunication water course.

Preferably, two ends of the circulating water channel are respectively communicated with the two water inlets and the two water outlets, and the communicating water channel is communicated with the circulating water channel.

Preferably, the top of the lower die holder is fixedly connected with a guide sleeve, the bottom of the upper die holder is fixedly connected with a guide pillar, the bottom of the upper die holder is fixedly connected with a compression spring, the compression spring is movably sleeved with the guide pillar, the bottom of the compression spring is fixedly connected with a movable ring, the guide pillar is movably inserted into the guide sleeve, the movable ring is movably sleeved with the guide pillar, and the bottom of the movable ring is overlapped with the top of the guide sleeve.

Preferably, the bottom of the upper template is in lap joint with the top of the lower template, the mold core is located inside the cavity, injection molding channels are arranged inside the upper mold base and the upper template, the injection molding port is communicated with the injection molding channels, the transverse flow channel is communicated with the injection molding channels, the top end of the longitudinal flow channel is communicated with the inside of the transverse flow channel, and the bottom end of the longitudinal flow channel is communicated with the bottom of the mold core.

Preferably, the bottom of the first fixed block is in lap joint with the top of the second fixed block, the movable block is movably inserted into the movable groove, and the movable hole is communicated with the inside of the movable groove.

Preferably, the extension spring is movably sleeved with the inside of the limiting rod, one end of the extension spring, far away from the pull ring, is fixedly connected with the side surface of the second fixing block, and one end of the limiting rod, far away from the pull ring, is movably inserted into the inside of the limiting hole.

Compared with the prior art, the utility model provides a DDR shield cover anti-cracking wrinkling efficient die which has the following beneficial effects:

1. this DDR shield cover prevents ftractureing high-efficient mould that corrugates, through the mold core, a groove, the die cavity, the mouth of moulding plastics, horizontal runner, vertical runner, first fixed block, the second fixed block, the activity groove, the movable block, the activity hole, the gag lever post, the pull ring, extension spring, mutually supporting between spacing hole and the inserted bar, thereby can carry out injection moulding to a plurality of products simultaneously, and can fix first fixed block and second fixed block, prevent the skew from appearing between cope match-plate pattern and the lower bolster, make the mold core more stable in the inside of die cavity, and then can improve the fashioned effect of product, avoid the phenomenon of corrugating to appear in the product surface.

2. This DDR shield cover prevents ftractureing high-efficient mould that corrugates through the mutually supporting between circulation water course, inlet outlet, intercommunication water course and the seal piece to make the cooling water carry out the circulation runner in the inside of circulation water course and intercommunication water course, thereby can cool off around every die cavity, improved the cooling effect, and then accelerated the shaping speed of product, improved production efficiency.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a side sectional view of the first and second fixing blocks of the present invention;

FIG. 4 is a sectional view of the lower template of the present invention in a top view;

FIG. 5 is a schematic side view of the upper plate according to the present invention.

Wherein: 1. an upper die holder; 2. a lower die holder; 3. mounting a template; 4. a lower template; 5. a mold core; 6. a groove; 7. a cavity; 8. an injection molding port; 9. a transverse flow passage; 10. a longitudinal flow passage; 11. a first fixed block; 12. a second fixed block; 13. a movable groove; 14. a movable block; 15. a movable hole; 16. a limiting rod; 17. a pull ring; 18. an extension spring; 19. a limiting hole; 20. inserting a rod; 21. a circulating water channel; 22. a water inlet and outlet; 23. a water channel is communicated; 24. sealing blocks; 25. a guide sleeve; 26. a guide post; 27. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a DDR shield anti-cracking and anti-wrinkling high-efficiency die comprises an upper die holder 1 and a lower die holder 2, wherein the bottom of the upper die holder 1 is fixedly connected with an upper die plate 3, the top of the lower die holder 2 is fixedly connected with a lower die plate 4, the bottom of the upper die plate 3 is fixedly connected with a plurality of die cores 5, the top of the lower die plate 4 is provided with a groove 6, the groove 6 and the die cores 5 are in the same number, a cavity 7 is arranged inside the groove 6, the cavity 7 is fixed inside the groove 6, the top of the upper die holder 1 is provided with an injection port 8, the upper die plate 3 is internally provided with a transverse runner 9, the upper die plate 3 is internally provided with a longitudinal runner 10, the longitudinal runner 10 is in the same number as the die cores 5, so that materials can enter the die cores 5 from the longitudinal runner 10, and the bottom of the upper die plate 3 is overlapped with the top of the lower die plate 4, the mold core 5 is positioned in the cavity 7, the injection molding channels are respectively arranged in the upper mold base 1 and the upper mold plate 3, the injection molding port 8 is communicated with the injection molding channel, the transverse flow channel 9 is communicated with the injection molding channel, the top end of the longitudinal flow channel 10 is communicated with the inside of the transverse flow channel 9, the bottom end of the longitudinal flow channel 10 is communicated with the bottom of the mold core 5, materials enter from the injection molding port 8 and sequentially enter the injection molding channel, the transverse flow channel 9 and the longitudinal flow channel 10, enter the mold core 5 from the longitudinal flow channel 10 and finally enter the cavity 7 from the bottom of the mold core 5, the front side and the rear side of the upper mold plate 3 are respectively and fixedly connected with a first fixing block 11, the front side and the rear side of the upper mold plate 3 are respectively and fixedly connected with three first fixing blocks 11, the front side and the rear side of the lower mold plate 4 are respectively and fixedly connected with a second fixing block 12, the front side and the rear side of the lower mold plate 4 are respectively and fixedly connected with three second fixing blocks 12, activity groove 13 has been seted up at the top of second fixed block 12, the bottom fixedly connected with movable block 14 of first fixed block 11, the inside mutual adaptation of movable block 14 and activity groove 13, one side that lower bolster 4 was kept away from to second fixed block 12 has seted up movable hole 15, the bottom of first fixed block 11 and the top overlap joint of second fixed block 12, movable block 14 is pegged graft with the inside activity of activity groove 13, movable hole 15 communicates each other with the inside of activity groove 13, the inside activity of movable hole 15 is pegged graft and is had gag lever post 16, the one end fixedly connected with pull ring 17 of lower bolster 4 is kept away from to gag lever post 16, pull ring 17 is close to the one end fixedly connected with extension spring 18 of gag lever post 16, can prevent that pull ring 17 and gag lever post 16 from removing through extension spring 18, spacing hole 19 that runs through around the inside of movable block 14 is seted up, spacing hole 19 is corresponding with the position of movable hole 15.

The extension spring 18 is movably sleeved with the inside of the limiting rod 16, one end of the extension spring 18, which is far away from the pull ring 17, is fixedly connected with the side surface of the second fixed block 12, one end of the limiting rod 16, which is far away from the pull ring 17, is movably inserted into the limiting hole 19, and is inserted into the limiting hole 19 together with the limiting rod 16, so that the movable block 14 can be fixed, the movable block 14 is prevented from moving inside the movable groove 13, and further the first fixed block 11 and the second fixed block 12 can be fixed, and therefore, the stability between the upper template 3 and the lower template 4 can be improved, and the mold core 5 is more stable inside the cavity 7, and further, the surface of the product after being formed can be prevented from wrinkling, the inside of the pull ring 17 is fixedly connected with two insert rods 20, and each insert rod 20 is fixedly connected with the inside of three pull rings 17 on the same side at the same time, and further, the pull rings can drive the three pull rings 17 to move together by moving the insert rods 20, the lower template 4 is internally provided with a circulating water channel 21, the position height of the circulating water channel 21 corresponds to the position height of the cavity 7, so that the device is convenient to cool, the front side and the rear side of the lower template 4 are respectively provided with a water inlet and a water outlet 22, the water inlet and the water outlet 22 are respectively communicated with an external water source, so that cooling water in the circulating water channel 21 can circulate, the lower template 4 is internally provided with a front-rear through communicating water channel 23, the number of the communicating water channels 23 is four, each communicating water channel 23 is respectively positioned between two adjacent left and right cavities 7, so that the cooling effect of products in the cavities 7 can be improved, the inside of each communicating water channel 23 is fixedly connected with two sealing blocks 24, the front end and the rear end of each communicating water channel 23 can be sealed by the two sealing blocks 24, and the two ends of the circulating water channel 21 are respectively communicated with the two water inlet and outlet 22, the communicating water channel 23 is communicated with the circulating water channel 21, the top of the lower die holder 2 is fixedly connected with a guide sleeve 25, the bottom of the upper die holder 1 is fixedly connected with a guide pillar 26, the bottom of the upper die holder 1 is fixedly connected with a compression spring 27, the number of the guide sleeve 25, the number of the guide pillar 26 and the number of the compression spring 27 are four, the compression spring 27 is movably sleeved with the guide pillar 26, the bottom of the compression spring 27 is fixedly connected with a movable ring, the guide pillar 26 is movably inserted into the guide sleeve 25, the movable ring is movably sleeved with the guide pillar 26, and the bottom of the movable ring is overlapped with the top of the guide sleeve 25.

When the die is used, the insert rod 20 is pulled first, the pull ring 17 is driven to move through the insert rod 20, the extension spring 18 extends, the limiting rod 16 is driven to move inside the movable hole 15, one end, far away from the pull ring 17, of the limiting rod 16 moves from the inside of the movable groove 13 to the inside of the movable hole 15, then the upper die base 1 moves downwards to drive the upper die plate 3 to move downwards together, the die core 5 is located inside the die cavity 7, the bottom of the upper die plate 3 is in lap joint with the top of the lower die plate 4, the movable block 14 is located inside the movable groove 13, the bottom of the first fixed block 11 is in lap joint with the top of the second fixed block 12, the positions of the limiting hole 19 and the movable hole 15 are equivalent to each other, the insert rod 20 is released, the extension spring 18 is restored and contracts under the action of the extension spring 18, and the pull ring 17 is driven to move towards the direction of the lower die plate 4, and drive gag lever post 16 to the direction of activity groove 13 and remove, thereby make gag lever post 16 keep away from the one end of pull ring 17 and the inside activity grafting of spacing hole 19, and then can fix first fixed block 11 and second fixed block 12, prevent to appear moving between cope match-plate pattern 3 and the lower bolster 4, and make mold core 5 more stable in the inside of die cavity 7, then mould plastics through mouth 8 department of moulding plastics, make the material enter into the inside of the passageway of moulding plastics from mouth 8 department of moulding plastics, and enter into the inside of horizontal runner 9, then flow into the inside of vertical runner 10 through horizontal runner 9, flow out from the bottom of mold core 5 at last, and enter into the inside of die cavity 7, finally make the product shaping.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a DDR shield cover prevents high-efficient mould that ftractures and corrugates, includes upper die base (1) and die holder (2), its characterized in that: an upper template (3) is fixedly connected to the bottom of the upper template (1), a lower template (4) is fixedly connected to the top of the lower template (2), a mold core (5) is fixedly connected to the bottom of the upper template (3), a groove (6) is formed in the top of the lower template (4), a cavity (7) is formed in the groove (6), an injection molding port (8) is formed in the top of the upper template (1), a transverse runner (9) is formed in the upper template (3), a longitudinal runner (10) is formed in the upper template (3), first fixing blocks (11) are fixedly connected to the front side and the rear side of the upper template (3), second fixing blocks (12) are fixedly connected to the front side and the rear side of the lower template (4), a movable groove (13) is formed in the top of the second fixing blocks (12), and a movable block (14) is fixedly connected to the bottom of the first fixing blocks (11), the utility model discloses a drawing die, including second fixed block (12), lower bolster (4), activity hole (15) have been seted up to one side that second fixed block (12) kept away from lower bolster (4), the inside activity of activity hole (15) is pegged graft and is had gag lever post (16), the one end fixedly connected with pull ring (17) of lower bolster (4) are kept away from in gag lever post (16), one end fixedly connected with extension spring (18) that pull ring (17) are close to gag lever post (16), spacing hole (19) that run through around the inside of movable block (14) is seted up, the inside fixedly connected with inserted bar (20) of pull ring (17).

2. The DDR shield anti-cracking wrinkling efficient die as claimed in claim 1, wherein: the improved water-saving and water-saving device is characterized in that a circulating water channel (21) is arranged inside the lower template (4), water inlets and water outlets (22) are formed in the front side and the rear side of the lower template (4), a communicating water channel (23) which penetrates through the lower template (4) from front to rear is formed in the lower template (4), and a sealing block (24) is fixedly connected inside the communicating water channel (23).

3. The DDR shield anti-cracking wrinkling efficient die as claimed in claim 2, wherein: two ends of the circulating water channel (21) are respectively communicated with the two water inlets and the two water outlets (22), and the communicating water channel (23) is communicated with the circulating water channel (21).

4. The DDR shield anti-cracking wrinkling efficient die as claimed in claim 1, wherein: the die comprises a lower die holder (2), a guide sleeve (25) is fixedly connected to the top of the lower die holder (2), a guide pillar (26) is fixedly connected to the bottom of the upper die holder (1), a compression spring (27) is fixedly connected to the bottom of the upper die holder (1), the compression spring (27) is movably sleeved with the guide pillar (26), a movable ring is fixedly connected to the bottom of the compression spring (27), the guide pillar (26) is movably inserted into the guide sleeve (25), the movable ring is movably sleeved with the guide pillar (26), and the bottom of the movable ring is overlapped with the top of the guide sleeve (25).

5. The DDR shield anti-cracking wrinkling efficient die as claimed in claim 1, wherein: the bottom of cope match-plate pattern (3) and the top overlap joint of lower bolster (4), mold core (5) are located the inside of die cavity (7), the inside of upper die base (1) and cope match-plate pattern (3) all is provided with the passageway of moulding plastics, mouth (8) and the passageway intercommunication of moulding plastics, horizontal runner (9) and the passageway intercommunication of moulding plastics, the top of vertical runner (10) and the inside intercommunication of horizontal runner (9), the bottom of vertical runner (10) and the bottom intercommunication of mold core (5).

6. The DDR shield anti-cracking wrinkling efficient die as claimed in claim 1, wherein: the bottom of first fixed block (11) and the top overlap joint of second fixed block (12), the inside activity grafting of activity piece (14) and activity groove (13), the inside intercommunication each other of activity hole (15) and activity groove (13).

7. The DDR shield anti-cracking wrinkling efficient die as claimed in claim 1, wherein: extension spring (18) and the inside activity of gag lever post (16) cup joint, extension spring (18) keep away from the one end of pull ring (17) and the side surface fixed connection of second fixed block (12), the inside activity grafting of the one end and spacing hole (19) that pull ring (17) were kept away from in gag lever post (16).