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CN-121972936-A - Quick-change positioning tool compatible with workpieces with multiple specifications and press riveting tool

CN121972936ACN 121972936 ACN121972936 ACN 121972936ACN-121972936-A

Abstract

The invention relates to the technical field of press riveting tools, in particular to a quick-change positioning tool compatible with workpieces with multiple specifications and a press riveting tool, which comprises a frame, the top of frame is installed pressure loading device, the outside of pressure loading device's main shaft installs the location outer frame, the bottom of frame inboard is fixedly connected with main guide rail. The invention provides a quick-change positioning tool compatible with workpieces of multiple specifications and a press riveting tool, which are provided with a main bracket and a connecting pin matched with a bottom plate, are used for installing and supporting a stress plate, can enable the stress plate to rotate and incline along the connecting pin, can directly install the workpieces in a lower die holder when in use, at the moment, the main shaft can be pressed down through the pressure loading device to perform riveting action through the upper riveting head arranged at the bottom of the main shaft, and when the inclined surface of the special-shaped piece is riveted, the stressed plate is enabled to rotate along the connecting pin to incline to rivet the position and align with the descending position of the upper riveting head.

Inventors

  • YAO GUOQIANG
  • FU WENGUANG
  • Qi Rongze

Assignees

  • 苏州恒腾机械工业有限公司

Dates

Publication Date
20260505
Application Date
20260213

Claims (10)

  1. 1. The quick-change positioning tool compatible with the workpieces with multiple specifications and the press riveting tool comprise a frame (1) and are characterized in that a pressure loading device (2) is arranged at the top of the frame (1), a positioning outer frame (3) is arranged at the outer side of a main shaft of the pressure loading device (2), a main guide rail (4) is fixedly connected to the bottom of the inner side of the frame (1), a bottom plate (5) is arranged at the top of the main guide rail (4), a main support (6) is fixedly connected to the top of the bottom plate (5), a connecting pin (7) is rotatably connected to the top of the inner side of the main support (6), and a die holder component (8) is rotatably connected to the outer side of the connecting pin (7); The die holder assembly (8) comprises a stress plate (81), a replacement seat (82) is fixedly connected to the top of the stress plate (81), a positioning seat (83) is inserted into the inner side of the replacement seat (82), a lower die holder (84) is fixedly connected to the top of the positioning seat (83), locking claws (85) are inserted into the two sides of the replacement seat (82), and one side, close to the positioning seat (83), of the locking claws (85) is clamped with the positioning seat (83); the positioning outer frame (3) comprises a fixed disc (31), a sliding frame (32), a sleeve (33), a sleeve ring (34), two transmission rods (35), two offset frames (36) and two laser emission devices (37); the top of the lower die holder (84) is fixedly connected with a laser receiving device (9).
  2. 2. The quick-change positioning tool and the press riveting tool compatible with the workpieces with multiple specifications according to claim 1, wherein the locking claw (85) comprises an integrally formed inserting block (851), a narrow rod (852) and a U-shaped section (853), a clamping groove matched with the inserting block (851) is formed in the inner side of the positioning seat (83), the top of the inserting block (851) is arc-shaped, a clamping spring (854) is sleeved on the outer side of the narrow rod (852), and two ends of the clamping spring (854) are respectively contacted with the inserting block (851) and the replacing seat (82).
  3. 3. The quick-change positioning tool and the press riveting tool compatible with the workpieces with multiple specifications according to claim 2, wherein the right side of the front side of the left U-shaped section (853) and the left side of the front side of the right U-shaped section (853) are fixedly connected with a holding piece (10), the outer side of the holding piece (10) is provided with anti-slip lines, the front side of the replacing seat (82) is fixedly connected with two limiting frames (11), and the inner sides of the two limiting frames (11) are respectively connected with the two U-shaped sections (853) in a sliding mode.
  4. 4. The quick-change positioning tool and the press riveting tool compatible with the workpieces with multiple specifications, which are disclosed in claim 1, are characterized in that an adjusting electric cylinder (12) is rotatably connected to the bottom of the inner side of the main support (6), and the telescopic end of the adjusting electric cylinder (12) is rotatably connected with the bottom of the stress plate (81).
  5. 5. The quick-change positioning tool and press riveting tool compatible with workpieces with multiple specifications according to claim 1, wherein the bottom of the bottom plate (5) is fixedly connected with a matching block (13), the inner side of the matching block (13) is in threaded connection with a matching screw (14), two ends of the outer side of the matching screw (14) are respectively and rotatably connected with a connecting seat (15), the bottom of the connecting seat (15) is fixedly connected with a station plate (16), the top of the station plate (16) is fixedly connected with a first servo motor (17), and the output end of the first servo motor (17) is fixedly connected with the rear side of the matching screw (14).
  6. 6. The quick-change positioning tool and the press riveting tool compatible with the workpieces with multiple specifications according to claim 5, wherein the top of the main guide rail (4) is fixedly connected with a rack (18), the bottom of the station plate (16) is fixedly connected with a movable frame (19), a second servo motor (20) is mounted on the inner side of the movable frame (19), the output end of the second servo motor (20) is fixedly connected with a transmission gear (21), and the bottom of the transmission gear (21) is in meshed connection with the rack (18).
  7. 7. The quick-change positioning tool and the press riveting tool compatible with the workpieces with multiple specifications according to claim 6, wherein the top parts of the main guide rail (4) and the station plate (16) are fixedly connected with a limit guide rail (22), the outer side of the limit guide rail (22) is slidably connected with a limit slide block (23), the top part of the bottom limit slide block (23) is fixedly connected with the station plate (16), and the top part of the top limit slide block (23) is fixedly connected with the bottom of the bottom plate (5).
  8. 8. The quick-change positioning tool and the press riveting tool compatible with the workpieces with multiple specifications according to claim 1, wherein the fixed disc (31) is fixedly connected to the outer side of a main shaft of the pressure loading device (2), the sliding frame (32) is slidingly connected to the outer side of the fixed disc (31), the sleeve (33) is slidingly connected to the outer side of the main shaft of the pressure loading device (2), the sleeve (33) is fixedly connected to the bottom of the sliding frame (32), the sleeve ring (34) is slidingly connected to the outer side of the main shaft of the pressure loading device (2), two transmission rods (35) are respectively and rotatably connected to two sides of the sleeve (33), the bottoms of the two transmission rods (35) are respectively and rotatably connected to the inner sides of two offset frames (36), one side, close to the sleeve (34), of the offset frames (36) is rotatably connected to the inner sides, far away from the sleeve (34), of the two laser emitting devices (37) are respectively mounted on the inner sides, far away from the sleeve (34).
  9. 9. The quick-change positioning tool and the press riveting tool compatible with the workpieces with multiple specifications according to claim 8, wherein the inner side of the fixed disc (31) is rotationally connected with a plurality of rollers (24), and the outer sides of the rollers (24) are contacted with the inner side of the sliding frame (32); the bottom of sleeve pipe (33) is fixedly connected with cooperation jar (25), the flexible end and the lantern ring (34) fixed connection of cooperation jar (25).
  10. 10. The quick-change positioning tool and the press riveting tool compatible with the workpieces with multiple specifications according to claim 8, wherein an adjusting gear (26) is fixedly connected to the top of the sliding frame (32), an auxiliary frame (27) is fixedly connected to the outer side of a main shaft of the pressure loading device (2), a transmission electric cylinder (28) is fixedly connected to the bottom of the auxiliary frame (27), a toothed plate (29) is fixedly connected to the telescopic end of the transmission electric cylinder (28), and one side, close to the adjusting gear (26), of the toothed plate (29) is in meshed connection with the adjusting gear (26).

Description

Quick-change positioning tool compatible with workpieces with multiple specifications and press riveting tool Technical Field The invention relates to the technical field of press riveting tools, in particular to a quick-change positioning tool compatible with workpieces with multiple specifications and a press riveting tool. Background It is known that in mass production scenes such as automobile parts, electronic equipment, hardware products and the like, workpieces often have the characteristics of multiple specifications and multiple models, the traditional positioning tool and the press riveting tool are custom made in a single specification, the tool is required to be integrally disassembled and replaced when the workpiece models are replaced, and particularly, when the electronic components in medical equipment or automobile parts are riveted, the special-shaped electronic component shells or printed circuit boards are limited to be suitable for installation spaces, inclined flanging or supporting surfaces are designed, and nuts or screws are pressed on the inclined surfaces, so that the process of fixing the shells and the PCB supports is troublesome. The jig is required to be integrally disassembled and replaced when the workpiece model is replaced in a press riveting mode in the prior art, the efficiency is low when the machined parts are required to be replaced frequently, a die is required to be customized to adapt to the machined parts when the inclined surface is riveted, the cost is high, and the positioning of the press riveting position is troublesome when the press die head and the lower die holder are assembled and disassembled; based on the above mentioned situation, we find that the press riveting device in the prior art is difficult to avoid the above problems at the same time, so we propose a quick-change positioning tool and press riveting tool compatible with multiple specifications of workpieces, which can quickly mount and dismount a die holder to match with a press riveting head when replacing a machined workpiece, can assist in positioning and improve the flexibility of press riveting action. Disclosure of Invention (One) solving the technical problems Aiming at the defects of the prior art, the quick-change positioning tool and the press riveting tool compatible with workpieces with multiple specifications have the advantages that the die holder can be quickly assembled and disassembled to be matched with the press riveting head when the machined workpieces are replaced, positioning can be assisted, and the flexibility of press riveting action is improved. (II) technical scheme The technical aim of the invention is achieved by the following technical scheme that the quick-change positioning tool and the press riveting tool compatible with workpieces with multiple specifications comprise a rack, wherein a pressure loading device is arranged at the top of the rack, a positioning outer frame is arranged at the outer side of a main shaft of the pressure loading device, a main guide rail is fixedly connected to the bottom of the inner side of the rack, a bottom plate is arranged at the top of the main guide rail, a main support is fixedly connected to the top of the bottom plate, a connecting pin is rotationally connected to the top of the inner side of the main support, and a die holder component is rotationally connected to the outer side of the connecting pin; The die holder assembly comprises a stress plate, the top of the stress plate is fixedly connected with a replacement seat, the inner side of the replacement seat is inserted with a positioning seat, the top of the positioning seat is fixedly connected with a lower die holder, both sides of the replacement seat are inserted with locking claws, and one side of the locking claw, which is close to the positioning seat, is clamped with the positioning seat; The positioning outer frame comprises a fixed disc, a sliding frame, a sleeve ring, two transmission rods, two offset frames and two laser emission devices; and the top of the lower die holder is fixedly connected with a laser receiving device. By adopting the technical scheme, the main bracket and the connecting pin are matched through the bottom plate, the main bracket and the connecting pin are used for installing and supporting the stress plate, the stress plate can be rotated and inclined along the connecting pin, a workpiece can be directly installed in the lower die holder during use, the main shaft can be pressed down through the pressure loading device to perform riveting action through the upper riveting head arranged at the bottom of the main shaft, when the inclined surface of the special-shaped piece is riveted, the stress plate is rotated and inclined along the connecting pin to align with the riveting position and the descending position of the upper riveting head, when workpieces with different specifications need to be replaced, two groups of locking claws c