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CN-121988655-A - Integrated stamping equipment of electronic connector shell

CN121988655ACN 121988655 ACN121988655 ACN 121988655ACN-121988655-A

Abstract

The invention relates to the technical field of stamping equipment, in particular to integrated stamping equipment for an electronic connector shell. The automatic punching machine comprises a frame, a punching frame is installed on the frame in a lifting manner, a linear transmission module is further included, the automatic punching machine is fixedly installed on the punching frame, a translation sliding frame is connected to the upper transmission of the automatic punching machine, a rotating shaft is connected to the translation sliding frame in a rotating mode, a swinging shaft is hinged to the end portion of the rotating shaft, a punching column is fixedly installed on the swinging shaft, four limit protruding blocks are connected to the punching column in a sliding mode, a swinging sleeve is sleeved on the swinging shaft in a rotating mode, a blanking cylinder is hinged between the swinging sleeve and the translation sliding frame, a synchronizing unit is arranged to synchronously change the distance between the four limit protruding blocks and the axis of the punching column, the reciprocating sliding frame is connected to the frame in a rotating mode, and two symmetrically arranged forming die bases are hinged to the reciprocating sliding frame. The invention has the beneficial effects that the problems of difficult elimination of ovality deviation caused by material rebound and local uneven stress in static stamping in the prior art are solved by the rotation cooperative cooperation of the reciprocating rotating frame and the stamping column.

Inventors

  • SUN CHAO
  • CHEN JIANFENG
  • ZHAN CHENGYANG
  • WANG LINGPING

Assignees

  • 东莞市优为科精密电子科技有限公司

Dates

Publication Date
20260508
Application Date
20260323

Claims (10)

  1. 1. An electronic connector housing integrated stamping device, comprising a frame (1) on which a stamping frame (2) is liftably mounted, characterized in that it further comprises: The linear transmission module (201) is fixedly arranged on the stamping frame (2), the linear transmission module is connected with the translation sliding frame (202) in a transmission manner, the translation sliding frame (202) is rotationally connected with the rotating shaft (203), the end part of the rotating shaft (203) is hinged with the swinging shaft (204), the stamping column (205) is fixedly arranged on the swinging shaft (204), the stamping column (205) is slidingly connected with four limit lugs (206), the swinging shaft (204) is rotationally sleeved with the swinging sleeve (207), and a blanking cylinder (208) is hinged between the swinging sleeve (207) and the translation sliding frame (202); a synchronization unit configured to synchronously change the spacing of the four limit bumps (206) relative to the axis of the punching column (205); The reciprocating rotating frame (3) is rotationally connected to the frame (1), two symmetrically arranged forming die holders (301) are hinged to the reciprocating rotating frame (3), a punching section (3011), a rough polishing section (3012), a fine polishing section (3013) and a detection section (3014) are sequentially arranged on the forming die holders (301) along the axial direction of the reciprocating rotating frame (3), a roundness detection sensor (302) is fixedly arranged on the detection section (3014), an arc gear ring (303) is fixedly arranged at the bottom of the reciprocating rotating frame (3), two guide rollers (304) are rotationally connected to the frame (1), rotary torsion springs (305) are respectively arranged at the rotational connection positions of the two guide rollers (304) and the frame (1), and the two guide rollers (304) are in butt joint with the reciprocating rotating frame (3); two incomplete gears (306) are rotatably connected to the frame (1), and the two incomplete gears (306) are in fit engagement with the arc gear ring (303); the elastic pressing seat (307) is connected to the reciprocating rotating frame (3) in a sliding manner, and four elastic limiting assemblies (311) are arranged between the elastic pressing seat and the reciprocating rotating frame in an array manner; and a motor (4) fixedly arranged on the frame (1) and configured to drive the two incomplete gears (306) and the punching column (205) to synchronously rotate.
  2. 2. The integrated stamping equipment for the electronic connector shell according to claim 1, wherein two stamping driving cylinders (101) are installed on the frame (1), the top ends of the two stamping driving cylinders (101) are fixedly connected with the stamping frame (2), a microcontroller (102) is fixedly installed on the front end face of the frame (1), an elastic pressing seat (307) is arranged below the forming die seat (301) and is abutted to the forming die seat (301), a proximity switch (308) opposite to the elastic pressing seat (307) is fixedly installed on the reciprocating rotating frame (3), the data ends of the proximity switch (308) and the two roundness detection sensors (302) are connected with the microcontroller (102) in a wireless signal transmission mode, and a material receiving box (5) with an open top end is clamped on the frame (1).
  3. 3. The integrated stamping equipment for the electronic connector shell according to claim 1, wherein coarse grinding bristles are fixedly arranged on the coarse polishing section (3012), fine grinding bristles are fixedly arranged on the fine polishing section (3013), the length of the coarse polishing section (3012) is 1.5-2 times that of the fine polishing section (3013), the length of the coarse polishing section (3012) is 1.2-1.4 times that of the stamping section (3011), and forming cambered surfaces are fixedly arranged on the inner wall of the stamping section (3011) and the outer circumferential surfaces of the forming cambered surfaces and the stamping columns (205) are smooth.
  4. 4. An electronic connector housing integrated punching device according to claim 3, characterized in that the axis of the roundness detection sensor (302) is perpendicular to the axis of the forming cambered surface, two symmetrically arranged feeding clamping plates (6) are mounted on the reciprocating rotating frame (3) at positions corresponding to the punching section (3011), and the cross sections of the two feeding clamping plates (6) are all L-shaped.
  5. 5. The integrated stamping equipment for the electronic connector shell according to claim 1, wherein a positioning shaft (309) is fixedly installed on the reciprocating rotating frame (3), the positioning shaft (309) is rotationally connected with the frame (1), the central angles corresponding to the effective meshing tooth sections on the two incomplete gears (306) are 120 degrees, the phase difference of the effective meshing tooth sections on the two incomplete gears (306) is 180 degrees, the two incomplete gears (306) are symmetrically arranged by taking the vertical plane where the axis of the positioning shaft (309) is located as an axis, two guide ring grooves are formed in the reciprocating rotating frame (3), and guide wheels are fixedly installed on the guide rollers (304) and correspond to the positions of the two guide ring grooves.
  6. 6. The integrated stamping equipment for the electronic connector shell according to claim 1, wherein the synchronization unit comprises a pneumatic booster pump (209) fixedly arranged on the translation carriage (202), a first air passage is formed in the axial position of the rotating shaft (203), a second air passage is formed in the axial position of the swinging shaft (204), an air outlet port of the pneumatic booster pump (209) is communicated with an air supply pipe (210), the other end of the air supply pipe (210) is rotationally communicated with the first air passage, a corrugated hose is communicated between the first air passage and the second air passage, four limit guide grooves are formed in the stamping column (205), the four limit guide grooves are communicated with the second air passage, the four limit projections (206) are respectively connected with the four limit guide grooves in a sliding mode, and two symmetrically arranged tension springs (211) are respectively arranged between each limit projection (206) and the corresponding limit guide groove.
  7. 7. The integrated stamping equipment for the electronic connector shell according to claim 6, wherein the air supply pipe (210) is fixedly provided with an air pressure sensor (212) and a pressure relief valve, a data end of the air pressure sensor (212) is in data connection with the microcontroller (102), the limit projection (206) is fixedly provided with a sealing ring matched with a limit guide groove, and the notch direction of the limit guide groove is perpendicular to the axis of the stamping column (205).
  8. 8. The integrated stamping equipment for the electronic connector shell according to claim 1, wherein a first synchronous belt is connected to the output shaft end of the motor (4) in a transmission manner, two incomplete gears (306) are connected with the first synchronous belt in a transmission manner, a first spline shaft (401) is rotatably connected to the frame (1), a first bevel gear is fixedly installed on the output shaft end of the motor (4) and the first spline shaft (401), two first bevel gears are in orthogonal engagement, a second spline shaft (402) and a first spline sleeve (403) are rotatably connected to the stamping frame (2), a second bevel gear is installed on each of the second spline shaft (402) and the first spline sleeve (403), two second bevel gears are in orthogonal engagement, a first spline hole which is slidably connected with the first spline shaft (401) is formed in the first spline sleeve (403), a second spline sleeve (404) is rotatably installed in the second spline sleeve (202), and a second spline hole (404) is slidably connected with the second spline shaft (203) is formed in the second spline sleeve.
  9. 9. The electronic connector housing integrated punching device according to claim 8, wherein cross sections of the first spline shaft (401), the second spline shaft (402), the first key hole and the second key hole are all regular hexagons, the first spline shaft (401) is arranged perpendicular to the punching driving cylinder (101), and an axis of the second spline shaft (402) is perpendicular to an axis of the first spline shaft (401).
  10. 10. An electronic connector housing integrated stamping device as claimed in claim 2, characterized in that the forming die holder (301) is integrated with an electric heating tube (310) and a temperature sensing probe, and the data end of the temperature sensing probe is in data connection with the microcontroller (102).

Description

Integrated stamping equipment of electronic connector shell Technical Field The invention relates to the technical field of stamping equipment, in particular to integrated stamping equipment for an electronic connector shell. Background The electronic connector is taken as an indispensable component in electronic equipment, the machining quality of a shell directly influences the mechanical strength, the signal shielding effect and the assembly precision of the connector, at present, the machining of the metal shell of the electronic connector generally adopts a stamping forming process, for example, a patent document with the publication number of CN120838910A discloses an electronic connector shell machining device, and the device is spliced to form a forming die through two sub-dies, so that after the metal shell is stamped and formed, a driving assembly is started to drive the two sub-dies to be separated, the sub-dies and the metal shell can be separated quickly, and an ejection assembly can eject the formed shell after the two sub-dies are separated, so that the formed shell is convenient to take out; According to the technical scheme, separation and ejection of the sub-die are realized through the double-shaft motor, the demolding mode is improved, the forming process is still static stamping, after the stamping head retreats, a workpiece is only naturally shaped by virtue of a die cavity, ovality deviation caused by material rebound or partial stress unevenness cannot be eliminated, the technical scheme only has a single stamping function, and subsequent polishing and detection are required to be transferred to other equipment, so that the process is complicated, the positioning precision is poor, and the production efficiency is low; based on the above, the present invention provides an electronic connector housing integrated stamping device to solve the above-mentioned problems in the background art. Disclosure of Invention Aiming at the technical problems in the prior art, the invention provides an integrated stamping device for an electronic connector shell, which solves the problems that the prior art scheme can not eliminate ovality deviation caused by material rebound or local stress unevenness, has only a single stamping function, and needs to be transferred to other devices for subsequent polishing and detection, so that the procedures are complicated, the positioning precision is poor and the production efficiency is low. The technical scheme for solving the technical problems is that the electronic connector shell integrated stamping equipment comprises a frame, a stamping frame and a pressing device, wherein the stamping frame is arranged on the frame in a lifting manner, and the electronic connector shell integrated stamping equipment further comprises: The linear transmission module is fixedly arranged on the stamping frame, the linear transmission module is in transmission connection with a translation sliding frame, the translation sliding frame is rotationally connected with a rotating shaft, the end part of the rotating shaft is hinged with a swinging shaft, the swinging shaft is fixedly provided with a stamping column, the stamping column is slidingly connected with four limit lugs, a swinging sleeve is rotationally sleeved on the swinging shaft, and a blanking cylinder is hinged between the swinging sleeve and the translation sliding frame; the synchronous unit is configured to synchronously change the distance between the four limit lugs and the axis of the punching column; The reciprocating rotating frame is rotationally connected to the frame, two symmetrically arranged forming die holders are hinged to the reciprocating rotating frame, a punching section, a rough polishing section, a fine polishing section and a detecting section are sequentially arranged on the forming die holders along the axial direction of the reciprocating rotating frame, a roundness detecting sensor is fixedly arranged on the detecting section, an arc gear ring is fixedly arranged at the bottom of the reciprocating rotating frame, two guide rollers are rotationally connected to the frame, rotary torsion springs are arranged at the rotational connection positions of the two guide rollers and the frame, and the two guide rollers are in butt joint with the reciprocating rotating frame; The two incomplete gears are rotationally connected to the frame, and are both in fit engagement with the arc gear ring; The elastic pressing seat is connected to the reciprocating rotating frame in a sliding manner, four elastic limiting assemblies are arranged between the elastic pressing seat and the reciprocating rotating frame in an array manner, the elastic pressing seat is arranged below the molding die holder and is in butt joint with the molding die holder, and a proximity switch opposite to the elastic pressing seat is fixedly arranged on the reciprocating rotating frame; And the motor is fixedly arranged on the fr