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CN-121972565-A - Mobile phone middle frame metal protection support concave-convex die precision adjusting device

CN121972565ACN 121972565 ACN121972565 ACN 121972565ACN-121972565-A

Abstract

The invention belongs to the technical field of stamping of a die set, and particularly discloses an accuracy adjusting device for a concave-convex die of a metal protection bracket of a middle frame of a mobile phone, which comprises a lower die plate and an upper die plate, wherein the upper die plate is arranged above the lower die plate, a driving die plate is arranged above the upper die plate, the bottoms of the driving die plates are fixedly provided with positioning rods at four corners, the bottoms of a plurality of positioning rods penetrate through the lower part of the upper die plate in a sliding manner, and the tops of the lower die plates are provided with positioning sleeves at four corners.

Inventors

  • Fan Fangquan

Assignees

  • 钇禄智能科技(扬州)有限公司

Dates

Publication Date
20260505
Application Date
20260209

Claims (10)

  1. 1. The utility model provides a mobile phone middle frame metal protection support concave-convex die precision adjusting device, its characterized in that includes lower bolster (1) and cope match-plate pattern (3), cope match-plate pattern (3) are located the top of lower bolster (1), the top of cope match-plate pattern (3) is provided with drive template (2), the bottom of drive template (2) is located four corners and all is fixed with locating lever (7), a plurality of the bottom of locating lever (7) all slides and runs through the below of cope match-plate pattern (3), the top of lower bolster (1) is located four corners and all is provided with positioning sleeve (6), a plurality of locating lever (7) all are located positioning sleeve (6) directly over, the top of lower bolster (1) is fixed with a plurality of hollow guide arms (8), a plurality of all be provided with on hollow guide arms (8) and open and shut the subassembly, the inside of hollow guide arms (8) is provided with locating component; The bottom of driving template (2) is fixed with a plurality of uide bushing (13), a plurality of through-holes (11) have been seted up at the top of cope match-plate pattern (3), and a plurality of the bottom of uide bushing (13) all is located inside through-hole (11), inner ring chamber (40) have been seted up between the inner wall of uide bushing (13), be provided with bridging component in inner ring chamber (40), hollow guide arm (8) are located under uide bushing (13).
  2. 2. The device for adjusting the precision of the concave-convex die of the metal protection support of the mobile phone middle frame according to claim 1 is characterized in that an air supply valve island (5) is arranged on the front side of the lower module (1), a plurality of lower punch blocks (4) are arranged at the top of the lower module (1) at equal intervals, a plurality of upper punch blocks (9) opposite to the lower punch blocks (4) are arranged at the bottom of the upper module (3) at equal intervals, a plurality of reciprocating cavities (14) are formed in the driving module (2), an air channel (16) is formed in the driving module (2), the bottom of the air channel (16) is communicated with the inner top surfaces of the plurality of reciprocating cavities (14), and two air inlets (17) are formed in the inner bottom surface of the air channel (16).
  3. 3. The device for adjusting the precision of the concave-convex die of the metal protection support of the mobile phone middle frame according to claim 2 is characterized in that reciprocating plates (15) are arranged between the inner walls of a plurality of reciprocating cavities (14) in a sliding sealing mode, two-stage punching blocks (10) are fixed at the bottoms of the reciprocating plates (15), the bottoms of the two-stage punching blocks (10) penetrate through the lower portion of an upper die plate (3) in a sliding mode, bayonets (19) are formed in the bottoms of the reciprocating plates (15) on the inner walls of two sides of the two-stage punching blocks (10), first spring pieces (18) are fixed at the positions, close to the edges of two sides, of the inner bottom surfaces of the reciprocating cavities (14), of the two-stage punching blocks (10), and the tops of the first spring pieces (18) are clamped in the bayonets (19) in an extending mode.
  4. 4. The device for adjusting the precision of the concave-convex die of the metal protection support of the mobile phone middle frame according to claim 3, wherein the opening and closing assembly comprises an inner boss pipe (26), an outer boss pipe (28) is fixed between the inner walls of the hollow guide rods (8) near the top edge, the bottom of the outer boss pipe (28) is convex and extends downwards, the inner boss pipe (26) is arranged between the inner walls of the hollow guide rods (8) in a sliding sealing mode, the top of the inner boss pipe (26) is sealed and protrudes in a sealed mode, the sliding sealing extends into the outer boss pipe (28), a plurality of side air ports (27) are formed in the inner walls of the inner boss pipe (26) near the top edge at equal intervals in the circumferential direction, and a plurality of air outlets (29) penetrating to the bottom are formed in the outer boss pipe (28) at equal intervals in the top near the outer surface edge along the circumferential direction.
  5. 5. The device for adjusting the precision of the concave-convex die of the metal protection support of the mobile phone middle frame according to claim 4, wherein a plurality of wedge-shaped openings (30) are formed in the position, close to the top edge, of the outer surface of the hollow guide rod (8) at equal intervals along the circumferential direction, the bottom of the hollow guide rod (8) is connected with the air supply valve island (5), annular grooves (20) are formed in the outer surface of the hollow guide rod (8), side openings (22) penetrating into the hollow guide rod (8) are formed in the inner walls of two sides of the annular grooves (20), containing grooves (23) are formed in the inner walls of the two side walls of the hollow guide rod (8), and the two containing grooves (23) and the side openings (22) are mutually penetrated.
  6. 6. The device for adjusting the precision of the concave-convex die of the metal protection support of the mobile phone middle frame according to claim 5, wherein sealing plates (24) are slidably arranged in the accommodating grooves (23), connecting blocks (25) are fixedly arranged on the outer surfaces of two sides of the two sealing plates (24), the connecting blocks (25) are slidably and hermetically connected between the inner walls of two sides of the side opening (22), an annular ring (21) is slidably arranged in the annular groove (20), the connecting blocks (25) positioned on the outer sides of the two sealing plates (24) are correspondingly fixed on the inner walls of the annular ring (21), and the connecting blocks (25) positioned on the inner sides of the two sealing plates (24) are correspondingly fixed on the outer surfaces of the inner boss pipes (26) close to the bottom edge.
  7. 7. The device for adjusting the precision of the concave-convex die of the metal protection support for the mobile phone middle frame according to claim 6, wherein the positioning assembly comprises two positioning blocks (32), adjusting cavities (31) are formed in the side wall of the hollow guide rod (8) close to the edges of two sides, the positioning blocks (32) are correspondingly arranged in the two adjusting cavities (31), one ends of the two positioning blocks (32) are slidably penetrated into the hollow guide rod (8) and positioned below the inner boss pipe (26), the other ends of the two positioning blocks (32) are slidably penetrated into the outer surface of the hollow guide rod (8), baffle strips (33) are fixedly arranged at the top and the bottom of the two positioning blocks (32) close to one side, trapezoid openings (34) are formed in the top and the bottom of the two positioning blocks (32) close to the other side, two second spring pieces (35) are fixedly arranged at one sides of the two adjusting cavities (31), and one ends of the two second spring pieces (35) are respectively and integrally clamped into the trapezoid openings (34).
  8. 8. The device for adjusting the precision of the concave-convex die of the metal protection support of the mobile phone middle frame according to claim 7, wherein the bridging component comprises a lantern ring (41), an outer fixing ring (38) is fixed on the outer surface of the guide sleeve (13) close to the bottom edge, an inner fixing ring (39) is fixed on the inner wall of the through hole (11) close to the bottom edge, the top of the outer fixing ring (38) is attached to the bottom of the inner fixing ring (39), an annular clamping groove (36) is formed between the inner walls of the through hole (11) close to the bottom, positioning openings (37) are formed in the inner walls of the two sides of the guide sleeve (13) close to the bottom edge, air cavities (12) are formed in the inner portions of the driving template (2) and are correspondingly communicated with the air inlet holes (17), and a plurality of bridging holes (52) are formed in the inner bottom surfaces of the air cavities (12) and the edges.
  9. 9. The device for adjusting the precision of the concave-convex die of the metal protection support of the mobile phone middle frame according to claim 8, wherein an annular inner groove (50) is formed in the side wall of the guide sleeve (13) close to the top edge, the bottoms of the bridging holes (52) penetrate into the annular inner groove (50), sliding rings (55) are arranged between the inner walls of the two sides of the annular inner groove (50) in a sliding sealing mode, grid openings (51) penetrating into the annular inner groove (50) are formed in the inner wall of the guide sleeve (13) close to the top edge at equal intervals along the circumferential direction, a plurality of guide holes (48) are formed in the inner bottom surface of the annular inner groove (50) at equal intervals along the circumferential direction, and the bottoms of the guide holes (48) penetrate into the inner top surface of the inner ring cavity (40).
  10. 10. The device for adjusting the precision of the concave-convex die of the metal protection support for the middle frame of the mobile phone according to claim 9, wherein the lantern ring (41) is slidably arranged between the inner walls of the inner ring cavity (40), a plurality of guide posts (49) are fixed at the top of the lantern ring (41) along the circumferential direction at equal intervals, the guide posts (49) are positioned inside the guide holes (48), a filament spring (47) is fixed between the top of the lantern ring (41) and the inner top surface of the inner ring cavity (40), a containing opening (43) is arranged between the inner walls of the lantern ring (41) and near the bottom edge, a square opening (42) penetrating to the outside is arranged at the bottom edge of the inner wall of the inner ring cavity (40), a plurality of square openings (42) are all positioned below the containing opening (43), a limit plate (46) is fixed at the edge near one side between the inner walls of the containing opening (43), double-bending springs (44) are rotatably arranged between the inner walls at two sides of the containing opening (43), one side of the double-bending opening (44) is close to the top edge, the inner side of the double-bending opening (43) is close to the inner side of the annular spring piece (36) and is pressed against the inner side of the annular spring piece (36), the bottom of sliding ring (55) is located the inboard annular transition mouth (54) of having seted up, a plurality of runner (53) of bending have been seted up to the inner wall of one side of annular transition mouth (54), a plurality of the top of runner (53) of bending all runs through to the top of sliding ring (55).

Description

Mobile phone middle frame metal protection support concave-convex die precision adjusting device Technical Field The invention relates to the technical field of stamping of die sets, in particular to a device for adjusting the precision of a concave-convex die of a metal protection bracket of a mobile phone middle frame. Background When the metal protection support of the mobile phone middle frame is processed, a concave-convex die set is required to be used for continuous stamping, and the die set is a die type used for a metal stamping process in the field of mechanical manufacturing. At present, when a continuous stamping die set is used for stamping a mobile phone middle frame metal protection support, a secondary stamping is needed after an upper die pressing block stamps a workpiece, a secondary stamping template is arranged on a driving template, the driving template is easy to shake during secondary stamping, and the final stamping precision deviation is large. Disclosure of Invention The invention provides a device for adjusting the concave-convex die precision of a metal protection bracket of a mobile phone middle frame, which aims to solve the problems in the prior art. The mobile phone middle frame metal protection support concave-convex die precision adjusting device comprises a lower die plate and an upper die plate, wherein the upper die plate is arranged above the lower die plate, a driving die plate is arranged above the upper die plate, positioning rods are fixed at the bottoms of the driving die plate at four corners, the bottoms of the positioning rods slide and penetrate through the lower part of the upper die plate, positioning sleeves are arranged at the tops of the lower die plate at the four corners, the positioning rods are all arranged right above the positioning sleeves, a plurality of hollow guide rods are fixed at the top of the lower die plate, an opening and closing assembly is arranged on the plurality of hollow guide rods, and a positioning assembly is arranged inside the hollow guide rods; The bottom of drive template is fixed with a plurality of uide bushing, and a plurality of through-holes have been seted up at the top of cope match-plate pattern, and the bottom of a plurality of uide bushings all is located inside the through-hole, has seted up the inner loop chamber between the inner wall of uide bushing, is provided with bridging component in the inner loop chamber, and hollow guide arm is located under the uide bushing. Preferably, the front side of lower module is provided with the air supply valve island, and the top equidistance of lower bolster is provided with a plurality of undershoot pieces, and the bottom equidistance of cope match-plate pattern is provided with a plurality of undershoot pieces relative with undershoot piece, and a plurality of reciprocating chambeies have been seted up to the inside of drive template, and the air flue has been seted up to the inside of drive template, and the bottom of air flue communicates with each other with a plurality of inside top surfaces of reciprocating chambeies, and two inlet ports have been seted up to the inside bottom surface of air flue. Preferably, sliding seal is provided with the reciprocating plate between the inner wall in a plurality of reciprocating chamber, and the bottom of a plurality of reciprocating plates all is fixed with the second grade towards the piece, and the bottom of a plurality of second grade towards the piece all slides and runs through the below of cope match-plate pattern, and the bayonet socket has all been seted up to the both sides inner wall that a plurality of second grade towards the piece in the reciprocating plate bottom, and the inside bottom surface in a plurality of reciprocating chamber is close to both sides edge department all and is fixed with first spring leaf, and the equal extension block in bayonet socket in the top of a plurality of first spring leaves. Preferably, the opening and closing assembly comprises an inner boss pipe, an outer boss pipe is fixed between the inner walls of the hollow guide rods and close to the top edge, the bottom of the outer boss pipe is in a convex shape and extends downwards, the inner boss pipe is arranged between the inner walls of the hollow guide rods in a sliding sealing mode, the top of the inner boss pipe is in a sealed convex shape, the sliding sealing extends to the inside of the outer boss pipe, a plurality of side air ports are formed between the inner walls of the inner boss pipe, close to the top edge, along the circumferential direction at equal intervals, and a plurality of air outlets penetrating to the bottom are formed at the top of the outer boss pipe, close to the outer surface edge, along the circumferential direction at equal intervals. Preferably, a plurality of wedge-shaped openings are formed in the outer surface of the hollow guide rod, close to the top edge, at equal intervals in the circumferential directi