CN214382928U - Compound die casting die of cell-phone medium plate - Google Patents

Abstract

The utility model relates to a compound die casting die of cell-phone medium plate, it includes mould and lower mould, all be equipped with the shaping groove that is used for installing frame and shaping panel on the diapire of last mould and the roof of lower mould, circumference along the shaping groove is provided with spacing frame on the roof of lower mould, spacing frame includes four spacing strips that the level slided on the lower mould, the glide direction mutually perpendicular of two adjacent spacing strips, the edge that spacing strip roof and be close to shaping groove on the lower mould is equipped with the spigot surface, be equipped with the elastic component on the lower mould, the diapire of last mould is provided with the locating part. When the staff installed the frame of cell-phone medium plate in the lower mould, the guiding surface contact on frame and the spacing to promote spacing and remove on the lower mould, make the frame can joint smoothly fast on the edge in shaping groove, accomplish the frame installation back, spacing is promoted by the elastic component and resets, go up the mould and the lower mould and merge the back, the locating part is fixed spacing on the lower mould again, this application has the effect that has improved the installation effectiveness of frame in the cell-phone medium plate.

Description

Compound die casting die of cell-phone medium plate

Technical Field

The utility model belongs to the technical field of die casting die's technique and specifically relates to a compound die casting die of cell-phone medium plate is related to.

Background

The composite die-casting process is widely applied to the field of manufacturing of mobile phone accessories due to the advantages of saving cost, reducing the machining amount of CNC (computer numerical control), shortening the machining period and the like.

The patent of grant publication number CN206382537U discloses a compound die casting die of cell-phone shell, including last mould benevolence and lower mould benevolence, be equipped with the die cavity that is used for the shaping cell-phone shell between last mould benevolence and the lower mould benevolence, the lower mould benevolence is equipped with the ring channel that is located the die cavity, still include feeding slider and row's sediment slider, feeding slider, arrange the sediment slider and all stretch into the die cavity, it waters the hole to go up to be equipped with between mould benevolence and the feeding slider, go up mould benevolence and arrange the sediment hole between the sediment slider, feeding slider, arrange the upper end that the sediment slider all covers the metal frame.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the mobile phone outer frame is installed on the lower die, the mobile phone outer frame needs to be completely embedded in the annular groove on the lower die, and the size of the annular groove is fixed and is consistent with that of the mobile phone outer frame, so that the mobile phone outer frame is easy to clamp when being embedded in the annular groove, and the installation is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to improve the installation convenience of cell-phone frame in the lower mould, this application provides a compound die casting die of cell-phone medium plate.

The application provides a compound die casting die of cell-phone medium plate adopts following technical scheme:

the utility model provides a compound die casting die of cell-phone medium plate, includes mould and lower mould, all be equipped with the shaping groove that is used for installing frame and shaping panel on the diapire of last mould and the roof of lower mould, be provided with spacing frame along the circumference in shaping groove on the roof of lower mould, spacing frame includes four spacing of horizontal slip on the lower mould, two adjacent spacing sliding direction mutually perpendicular, the edge that spacing roof and be close to shaping groove on the lower mould is equipped with the spigot surface, be equipped with the elastic component that is used for ordering about spacing to the shaping groove removal of lower mould on the lower mould, the diapire of last mould is provided with the locating part that is used for restricting spacing removal.

Through adopting above-mentioned technical scheme, when the staff installed the frame of cell-phone medium plate in the lower mould, install the frame in the shaping frame, in the installation, the frame contacts with the spigot surface on the spacing, and promote spacing and remove on the lower mould, make the frame joint smoothly fast on the edge in shaping groove, accomplish the frame installation back, under the spring action of elastic component, spacing is promoted to reset, go up the mould and the lower mould is amalgamated after, the locating part is fixed spacing on the lower mould again, make the shaping smoothly of cell-phone medium plate, the installation effectiveness of frame in the cell-phone medium plate has been improved.

Optionally, the spacing is kept away from on the lateral wall in the shaping groove of lower mould along spacing sliding direction rigid coupling and is had the guide bar, be equipped with the bulge loop along the edge of lower mould on the roof of lower mould, the bulge loop is close to and sets up the guiding hole with the guide bar adaptation on the inside wall in the shaping groove of lower mould, the coaxial wearing of guide bar is established in the guiding hole.

Through adopting above-mentioned technical scheme, when the frame of cell-phone medium plate promoted spacing and moved on the lower mould, under the guiding action of guiding hole on guide bar and the bulge loop, spacing parallel translation on the lower mould made the frame of spacing ability laminating cell-phone medium plate remove, improved the installation stability of cell-phone medium plate frame.

Optionally, the elastic member is a spring, the spring is sleeved on the guide rod, one end of the spring is abutted against the inner wall of the convex ring, and the other end of the spring is abutted against the limiting strip.

Through adopting above-mentioned technical scheme, install the frame of cell-phone medium plate back on the shaping inslot of lower mould, under the elastic action of spring, promote four spacing respectively butt around the frame, promote the frame and stably install in the shaping inslot, improve the frame installation effectiveness of cell-phone medium plate.

Optionally, an air flow channel is arranged in the protruding ring along the circumferential direction of the protruding ring, the guide holes are communicated with the air flow channel, a cooling flow channel is arranged in the limiting strip along the length direction of the limiting strip, the guide rods are hollow, two guide rods are arranged in parallel along the length direction of the limiting strip, one end of each guide rod is communicated with the cooling flow channel, and the other end of each guide rod is communicated with the guide hole.

Through adopting above-mentioned technical scheme, fill into the molten metal after in the shaping inslot between upper die and lower mould, the molten metal fills full shaping groove, at this moment, lets in the cold air again in the air runner in the bulge loop, and the frame of the cell-phone medium plate of spacing strip of laminating is cooled off to the cooling runner in the spacing strip of cold air process, improves the panel cooling edge cooling rate with the frame contact, improves cell-phone medium plate machining efficiency.

Optionally, the locating part includes the stopper of rigid coupling on last mould diapire, when going up mould and lower mould and merging, the stopper is close to the lateral wall in shaping groove and the laminating of the lateral wall of keeping away from the shaping groove of spacing, and the edge in shaping groove on the lower mould is laminated to spacing.

Through adopting above-mentioned technical scheme, at last mould and lower mould laminating in-process, the lateral wall looks butt that the shaping groove was kept away from to stopper and spacing on going up the mould can effectively keep spacing stable when pouring into the molten metal in the shaping inslot, improves cell-phone medium plate shaping quality.

Optionally, the bottom wall of the limiting block and the edge close to the forming groove in the upper die are provided with inclined surfaces.

Through adopting above-mentioned technical scheme, when the cope match-die is close to the lower mould, inclined plane and spacing butt on the stopper to promote spacing shaping groove on to the lower mould and be close to, effectively prevent spring fatigue, improve cell-phone medium plate shaping quality.

Optionally, the rigid coupling has the one-tenth shape seat on the roof of lower mould, the one-tenth shape groove of lower mould sets up on the one-tenth shape seat, seted up the spread groove along self circumference on the lateral wall of one-tenth shape seat, spacing rigid coupling has the connecting block with the spread groove adaptation on being close to the lateral wall of one-tenth shape seat, the connecting block slides along one-tenth shape groove depth direction and connects in the spread groove.

Through adopting above-mentioned technical scheme, when the shaping seat removal on the constant head tank lower mould was drawn close, the connecting block on the shaping seat slided in the spread groove on spacing for spacing with the shaping seat butt after, be connected inseparabler between spacing and the connecting seat, prevent effectively in the gap between spacing and the connecting seat of molten metal infiltration, the spacing removal of being convenient for.

Optionally, sliding grooves are formed in the end faces of the two ends of each limiting strip along the length direction of the limiting strip, the sliding grooves are formed along the length direction of the limiting strips, adjacent two sliding plates are arranged between the limiting strips, each sliding plate comprises two plate bodies perpendicular to each other, and the plate bodies are connected in the sliding grooves in a sliding mode.

Through adopting above-mentioned technical scheme, the fly leaf between spacing can effectively reduce the gap between the spacing, effectively prevents in the gap between the molten metal infiltration spacing, makes things convenient for spacing to slide on the lower mould.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a worker installs the frame of the mobile phone middle plate in the lower die, the frame is in contact with the guide surface on the limiting strip and pushes the limiting strip to move on the lower die, so that the frame can be quickly and smoothly clamped on the edge of the forming groove;

2. after the forming groove between the upper die and the lower die is filled with the molten metal, the molten metal is filled in the forming groove, at the moment, cold air is introduced into the air flow channel in the convex ring, and the cold air passes through the cooling flow channel in the limiting strip to cool the frame of the mobile phone middle plate attached with the limiting strip, so that the cooling speed of the cooling edge of the plate in contact with the frame is increased, and the processing efficiency of the mobile phone middle plate is improved;

3. in the process of laminating the upper die and the lower die, the limiting blocks on the upper die are abutted to the side walls of the limiting strips far away from the forming grooves, so that the limiting strips can be effectively kept stable when metal liquid is poured into the forming grooves, and the forming quality of the middle plate of the mobile phone is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of a die casting mold according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a die casting mold according to an embodiment of the present application in a state where an upper mold and a lower mold are separated from each other.

Fig. 3 is a schematic sectional view a-a of the die-casting mold of fig. 1.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a partial cross-sectional structural schematic view of a lower die of the die casting mold according to the embodiment of the present application.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.

Description of reference numerals: 1. an upper die; 2. a lower die; 21. forming a base; 22. connecting grooves; 3. forming a groove; 4. a limiting frame; 41. a limiting strip; 411. a guide surface; 412. a cooling flow channel; 413. connecting blocks; 414. a sliding groove; 42. a guide bar; 43. a movable plate; 431. a plate body; 5. an elastic member; 6. a limiting block; 61. an inclined surface; 7. a convex ring; 71. a guide hole; 72. an air flow passage; 73. an air inlet; 74. and an air outlet.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses compound die casting die of cell-phone medium plate. Referring to fig. 1 and 2, the die casting mold includes an upper mold 1 and a lower mold 2, the upper mold 1 being positioned directly above the lower mold 2 and vertically sliding over the lower mold 2. The roof of lower mould 2 and all be equipped with the shaping groove 3 that is arranged in the frame of installation cell-phone medium plate and is used for the panel of shaping play cell-phone medium plate on the diapire of last mould 1, on the roof of lower mould 2, enclose into type groove 3 a week, be equipped with spacing frame 4 for the position of the frame of location cell-phone medium plate.

Referring to fig. 2 and 5, the limiting frame 4 includes four limiting strips 41, the four limiting strips 41 are perpendicular to each other end to end and enclose a square shape, and are respectively in one-to-one correspondence with four sides of a frame of the mobile phone middle plate, and after the four limiting strips 41 are connected with each other end to end, the internal size of the limiting frame 4 is consistent with the external size of the mobile phone middle plate. On the roof of lower mould 2, be equipped with round bulge loop 7 along the circumference edge of lower mould 2, bulge loop 7 is inside still to be equipped with the shaping seat 21 with mould body coupling, and shaping groove 3 on the lower mould 2 is located the roof of shaping seat 21. The limit frame 4 is arranged between the convex ring 7 and the forming seat 21.

Referring to fig. 3 and 4, a circle of connecting groove 22 is arranged on the side wall of the forming seat 21 along the circumferential direction of the forming seat 21, a connecting block 413 which is matched with the connecting groove 22 in position and height is integrally fixed on the side wall of the limiting strip 41 close to the forming seat 21, the connecting block 413 is connected in the connecting groove 22 in a sliding manner, and the limiting strip 41 is enabled to horizontally slide close to or far away from the forming seat 21 along the depth direction of the connecting groove 22.

Referring to fig. 5 and 6, a circle of air flow passages 72 are annularly arranged in the convex ring 7 along the circumferential direction, an air inlet 73 communicated with the air flow passages 72 is arranged on the side wall of the lower die 2, a quick-connection plug is connected to the air inlet 73, and the quick-connection plug can be communicated with cold flow equipment, such as an air compressor. The air flow passage 72 is disconnected at one side of the air inlet 73, and the air flow passage 72 is located at the other end far away from the air inlet 73 and is provided with an air outlet 74 which opens to the outside of the lower mold 2.

The inner wall of the convex ring 7 is also provided with guide holes 71 corresponding to the sliding direction of each limit strip 41 in parallel, the guide holes 71 are communicated with the air flow channel 72, the side wall of each limit strip 41 close to the convex ring 7 is vertically welded and fixed with a guide rod 42, and the guide rods 42 are coaxially and slidably arranged in the guide holes 71 in a penetrating manner. Be equipped with cooling runner 412 along self length direction in the spacing strip 41, the both ends of cooling runner 412 have seted up the blow vent to the one side that spacing strip 41 is close to bulge loop 7 respectively, guide bar 42 is the inside cavity and the hollow body of rod that both ends run through, the one end that guide bar 42 is close to spacing strip 41 and spacing strip 41 welded fastening, and guide bar 42 is inside to be communicated with cooling runner 412 through the blow vent. Cold air is injected from the air inlet 73 on the lower die 2, passes through the guide hole 71 and the guide rod 42 and then enters the cooling flow passage 412, the temperature of the mobile phone middle plate frame in contact with the limiting strip 41 is reduced, and finally, hot air is discharged from the air outlet 74 on the lower die 2.

Referring to fig. 3 and 4, in order to facilitate installation of the frame of the mobile phone middle plate, the edge of the top wall of the limiting strip 41 close to the forming groove 3 is provided with a guide surface 411, and the limiting strip 41 can be pushed to be close to the convex ring 7 in the installation process, so that the size of the limiting frame 4 is expanded, and the installation of the frame of the mobile phone middle plate is facilitated. An elastic piece 5 is further arranged between the limiting strip 41 and the convex ring 7, in this embodiment, the elastic piece 5 is a spring, the spring is sleeved on the guide rod 42, one end of the spring abuts against the wall surface of the limiting strip 41 close to the convex ring 7, and the other end of the spring abuts against the inner wall of the convex ring 7. The spring is used for pushing the limiting strip 41 to be close to and abut against the side wall of the forming seat 21, and the frame of the collecting middle plate is clamped and installed in the forming groove 3.

In order to keep the position and the size of the limiting strip 41 and the limiting frame 4 fixed after the upper die 1 and the lower die 2 are combined, a limiting piece which limits the movement of the limiting strip 41 after the two dies are combined is arranged on the bottom wall of the upper die 1. In this embodiment, the limiting member is a limiting block 6. The stopper 6 is located the diapire of last mould 1, and with last mould 1 integrated into one piece. On the diapire of stopper 6, and be close to the edge of going up the shaping groove 3 on the mould 1 and establish to inclined plane 61, in last mould 1 and lower mould 2 merging process, inclined plane 61 on the stopper 6 can promote the spacing 41 that has not reset completely and be close to shaping groove 3. And, after upper die 1, lower mould 2 merge completely, the vertical lateral wall that stopper 6 is close to the moulded die contacts with the vertical lateral wall that spacing strip 41 kept away from shaping groove 3, effectively prevents to cause the frame of cell-phone medium plate to remove at the injection molten metal in-process, improves the processingquality of cell-phone medium plate.

Referring to fig. 5 and 6, in order to prevent molten metal from leaking at the included angle of the position-limiting frame 4, i.e. the joint of adjacent position-limiting strips 41, a movable plate 43 is further disposed between the adjacent position-limiting strips 41. The movable plate 43 is formed by two plate bodies 431 vertically connected to each other to form an "L" shape. The two ends of the limiting strips 41 are respectively provided with a sliding groove 414 matched with the size of the plate body 431 along the length direction of the limiting strips 41, the movable plate 43 is arranged between the two limiting strips 41, and the two plate bodies 431 of the movable plate 43 are respectively connected in the sliding grooves 414 on the adjacent limiting strips 41 in a sliding manner.

The implementation principle of the compound die casting die of cell-phone medium plate of this application embodiment is: when the staff installs the frame of cell-phone medium plate in lower mould 2, install the frame in the shaping frame. In the installation, the frame contacts with the guide surface 411 on the limiting strip 41 and pushes the limiting strip 41 to move on the lower die 2, so that the frame can be fast and smoothly clamped on the edge of the forming groove 3. After the frame is installed, the limiting bar 41 is pushed to reset under the elastic force of the spring. After the upper die 1 and the lower die 2 are combined, the limiting block 6 limits the limiting strips 41 to move away from the forming groove 3, so that the limiting strips 41 are fixed on the lower die 2, and the middle plate of the mobile phone can be formed smoothly. The installation efficiency of frame in the cell-phone medium plate has been improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a compound die casting die of cell-phone medium plate, includes mould (1) and lower mould (2), all be equipped with on the diapire of mould (1) and the roof of lower mould (2) and be used for installing shaping groove (3) of frame and shaping panel, its characterized in that: be provided with spacing frame (4) along the circumference of shaping groove (3) on the roof of lower mould (2), four spacing (41) on lower mould (2) are slided including the level in spacing frame (4), the direction mutually perpendicular of sliding of two adjacent spacing (41), the edge that spacing (41) roof and be close to shaping groove (3) on lower mould (2) is equipped with spigot surface (411), be equipped with on lower mould (2) and be used for ordering about elastic component (5) that spacing (41) removed to shaping groove (3) of lower mould (2), the diapire of going up mould (1) is provided with the locating part that is used for restricting spacing (41) removal.

2. The compound die casting die of cell-phone medium plate of claim 1 characterized in that: spacing strip (41) are kept away from on the lateral wall of shaping groove (3) of lower mould (2) along spacing strip (41) slip direction rigid coupling and are had guide bar (42), be equipped with bulge loop (7) along the edge of lower mould (2) on the roof of lower mould (2), set up guiding hole (71) with guide bar (42) adaptation on bulge loop (7) are close to the inside wall of shaping groove (3) of lower mould (2), guide bar (42) are coaxial to be worn to establish in guiding hole (71).

3. The compound die casting die of cell-phone medium plate of claim 2 characterized in that: the elastic piece (5) is a spring, the spring is sleeved on the guide rod (42), one end of the spring is abutted against the inner wall of the convex ring (7), and the other end of the spring is abutted against the limiting strip (41).

4. The compound die casting die of cell-phone medium plate of claim 2 characterized in that: an air flow channel (72) is arranged in the convex ring (7) along the circumferential direction of the convex ring (7), the guide holes (71) are communicated with the air flow channel (72), the limiting strips (41) are internally provided with cooling flow channels (412) along the length direction of the limiting strips, the guide rods (42) are hollow, two guide rods (42) are arranged in parallel along the length direction of the limiting strips (41), one ends of the guide rods (42) are communicated with the cooling flow channels (412), and the other ends of the guide rods (42) are communicated with the guide holes (71).

5. The composite die-casting die for the mobile phone middle plate as claimed in any one of claims 1 to 4, wherein the die-casting die comprises: the locating part includes stopper (6) of rigid coupling on last mould (1) diapire, go up mould (1) and when lower mould (2) merge, stopper (6) are close to the lateral wall of shaping groove (3) and the lateral wall laminating of keeping away from shaping groove (3) of spacing (41), and the edge of shaping groove (3) on lower mould (2) is laminated to spacing (41).

6. The compound die casting die of cell-phone medium plate of claim 5 characterized in that: the bottom wall of the limiting block (6) and the edge close to the upper die (1) upper forming groove (3) are provided with inclined surfaces (61).

7. The compound die casting die of cell-phone medium plate of claim 5 characterized in that: the rigid coupling has one-tenth die holder (21) on the roof of lower mould (2), one-tenth die holder (2) become die holder (21) in shaping groove (3) setting, connecting groove (22) have been seted up along self circumference on the lateral wall that becomes die holder (21), spacing (41) be close to on the lateral wall that becomes die holder (21) rigid coupling have with connecting block (413) of connecting groove (22) adaptation, connecting block (413) are followed one-tenth die holder (3) degree of depth direction and are slided and are connected in connecting groove (22).

8. The compound die casting die of cell-phone medium plate of claim 5 characterized in that: sliding tray (414) have all been seted up on the both ends terminal surface along self length direction of spacing strip (41), sliding tray (414) are seted up along the length direction of spacing strip (41), adjacent two be provided with between spacing strip (41) fly leaf (43), fly leaf (43) include two mutually perpendicular's plate body (431), connection is slided in sliding tray (414) plate body (431).

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