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CN-122007870-A - Lock pair equipment

CN122007870ACN 122007870 ACN122007870 ACN 122007870ACN-122007870-A

Abstract

The application relates to the technical field of screw locking equipment, in particular to locking equipment which comprises an equipment body, wherein a screw gun main body and a magnetic screwdriver head are arranged on the equipment body, the magnetic screwdriver head is arranged on the screw gun main body and comprises a screwdriver head main body, a trigger component and a magnetic assembly, the trigger component and the magnetic assembly are arranged on the screwdriver head main body, the trigger component can elastically slide along the axial direction of the screwdriver head main body, the magnetic screwdriver head moves downwards to lock a screw to drive the trigger component to abut against the surface of a workpiece and then move upwards, and the magnetic assembly comprises a rotating piece for regulating and controlling the on-off of a magnetic circuit of the magnetic screwdriver head main body so as to control the screwdriver head main body to release or adsorb the screw. Through the linkage of the trigger component and the magnetic component, the dynamic switching of the magnetic adsorption and release state along with the screw locking process is realized, the problem that the existing shallow thread screw is reversed and loosened due to continuous adsorption after the locking is completed is solved, and the screw locking precision and long-term reliability are improved.

Inventors

  • YANG GANG

Assignees

  • 苏州钧闳智能化设备有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (8)

  1. 1. A locking device comprises a device body (1) and is characterized in that the device body (1) is provided with a screw gun main body (2) and a magnetic screwdriver head (3), the magnetic screwdriver head (3) is arranged on the screw gun main body (2), the magnetic screwdriver head (3) comprises a screwdriver head main body (311), a trigger component (321) and a magnetic screwdriver component (331), the trigger component (321) and the magnetic screwdriver component (331) are arranged on the screwdriver head main body (311), the trigger component (321) can elastically slide along the axial direction of the screwdriver head main body (311), the magnetic screwdriver head (3) moves downwards to lock a screw to drive the trigger component (321) to move upwards after being in contact with the surface of a workpiece, the magnetic screwdriver component (331) comprises a rotating piece (332) for controlling the magnetic circuit of the screwdriver head main body (311) to release or adsorb the screw, the trigger component (332) is triggered to rotate upwards, the magnetic circuit of the trigger component (331) is enabled to be conducted, the trigger component (321) is enabled to release, and the magnetic circuit of the trigger component (331) is enabled to reversely rotate after the magnetic circuit is released, and the magnetic circuit component (331) is enabled to reversely rotate after being separated from the workpiece (332) and is enabled to synchronously rotate downwards.
  2. 2. The device of claim 1, wherein the trigger assembly (321) comprises a trigger piece (322), a limiting piece (323) and an elastic piece (324), an inner cavity (314) extending along the axial direction is formed in the head main body (311), the limiting piece (323) is fixedly sleeved on the periphery of the trigger piece (322) and limited in the inner cavity (314), the elastic piece (324) is sleeved on the periphery of the trigger piece (322) and located between the limiting piece (323) and the top wall of the inner cavity (314), the bottom end of the trigger piece (322) protrudes out of the adsorption end of the head main body (311), and the bottom end of the trigger piece (322) is propped against the surface of a workpiece to move upwards and drive the limiting piece (323) to move upwards to squeeze the elastic piece (324).
  3. 3. The device as set forth in claim 2, wherein the rotating member (332) has a guide rod (3321) mounted at one end thereof, the triggering member (322) includes a triggering end (3222) and a pushing end (3221), the triggering end (3222) is provided with an arc-shaped guide groove (3223) for sliding fit of the guide rod (3321), the pushing end (3221) pushes against the surface of the workpiece to drive the triggering end (3222) to move upwards, and the guide rod (3321) slides along the arc-shaped guide groove (3223) along with the upward movement of the triggering end (3222) and drives the rotating member (332) to rotate.
  4. 4. The locking device according to claim 1, wherein the magnetic attraction component (331) comprises a magnetic conduction sleeve (334), a magnetism isolating sleeve (335) and a magnet (333), the magnetic conduction sleeve (334) and the magnetism isolating sleeve (335) are coaxially sleeved on the periphery of the magnet (333), the magnetism isolating sleeve (335) is used for separating the magnetic conduction sleeve (334) into independent magnetic conduction sections, the magnet (333) is fixedly connected with the rotating piece (332), the rotating piece (332) rotates to drive the magnet (333) to rotate so as to change the relative position between the magnetic pole of the magnet (333) and the magnetism isolating sleeve (335), the magnetic circuit is conducted when the magnetic pole of the magnet (333) is opposite to the magnetism isolating sleeve (335) to release a screw, and the magnetic circuit is disconnected when the magnetic circuit of the magnet (333) is opposite to the position of the magnetic conduction sleeve (334) to adsorb the screw.
  5. 5. The device as set forth in claim 4, wherein the magnetic sleeve (334) is provided with a magnetic shielding strip (3341), the magnetic shielding strip (3341) extends along the circumference of the magnetic sleeve (334), and the magnetic shielding strip (3341) separates the magnetic sleeve (334) into a plurality of magnetic conductive units to block residual magnetic force conduction among the magnetic conductive units.
  6. 6. The locking equipment according to claim 1, wherein the equipment body (1) is provided with a conveying belt (4) and a jacking assembly (5), the conveying belt (4) is used for bearing and conveying workpieces, and the jacking assembly (5) is used for jacking the workpieces upwards and separating from the conveying belt (4) so as to be used for locking the magnetic chuck (3).
  7. 7. A locking device according to claim 6, wherein the jacking component (5) comprises a guide rod (541), a jacking plate (531), a fixed plate (511) and a driving piece (521), one end of the guide rod (541) is fixedly connected with the jacking plate (531), the other end of the guide rod is in sliding fit with the fixed plate (511), the driving piece (521) is fixedly arranged on the fixed plate (511), and the driving piece (521) drives the jacking plate (531) to axially move along the guide rod (541) so as to stably jack and position a workpiece.
  8. 8. The locking device of claim 1, wherein the device body (1) is provided with a mechanical arm (6) and a control system, the mechanical arm (6) is fixedly installed on the device body (1), the end part of the mechanical arm (6) is fixedly connected with the screw gun main body (2), the control system is electrically connected with the mechanical arm (6) and the screw gun main body (2), and the control system controls the mechanical arm (6) to drive the screw gun main body (2) to move to a workpiece locking position according to a preset program.

Description

Lock pair equipment Technical Field The application relates to the technical field of screw locking equipment, in particular to locking equipment. Background In the production process of control assemblies such as an automobile electronic control unit and an industrial controller, precise screw locking is required to be carried out on a plurality of products so as to ensure the structural strength of the products, and the precision of the screw locking directly determines the assembly quality of the products. For optimizing the screw installation flow, solve the easy skew of small-size screw when aiming at the screw hole, the pain point that drops, current locking device's screw rifle is criticized the head and is generally integrated the magnetism and inhale the function, inhale the stable magnetic force that the structure produced with the help of the magnetism, criticize the head and can adsorb the screw fast and accomplish the prepositioning, reduced the degree of difficulty that artifical assistance aimed at, supplementary screw is accurate to be led into the screw hole, effectively reduce the smooth tooth that leads to because of the screw skew, lock attach the failure scheduling problem, showing the smoothness and the initial positioning accuracy that have promoted the locking process. However, the magnetic attraction strength of the screwdriver head is fixed and not adjustable, the magnetic force can only realize single-state switching of 'adsorption' or 'no adsorption', the dynamic adaptation requirement along with the locking process cannot be met, for a shallow thread screw, the screw is still continuously adsorbed by the magnetic force of the screwdriver head after the screw is completely screwed up due to small thread engagement area and limited axial locking force, when the screwdriver head is upwards far away after the locking is completed, the situation that the magnetic force is converted into reverse traction force and drives the screw to slightly reversely rotate is caused, the screw engagement generates a tiny gap, the phenomenon that the torque is qualified but the screw is actually not locked is caused, and the final locking precision and long-term reliability of the screw are seriously influenced. Disclosure of Invention In order to enable the magnetic attraction of the screwdriver head of the locking device to be dynamically adjusted along with the locking process, and accordingly reverse traction of the magnetic force on the locked shallow thread screw is avoided, the application provides the locking device. The application provides a locking device, which adopts the following technical scheme: The locking equipment comprises an equipment body, wherein a screw gun main body and a magnetic chuck head are arranged on the equipment body, the magnetic chuck head is arranged on the screw gun main body, the magnetic chuck head comprises a chuck main body, a triggering component and a magnetic chuck component, the triggering component and the magnetic chuck component are arranged on the chuck main body, the triggering component can elastically slide along the axial direction of the chuck main body, a magnetic chuck head moves downwards to lock a screw to drive the triggering component to abut against the surface of a workpiece and then move upwards, the magnetic chuck component comprises a rotating piece which regulates and controls the on-off of a magnetic circuit of the magnetic chuck head main body to control the release or adsorption of the screw, the triggering component moves upwards to trigger the rotating piece to rotate so as to lead the magnetic circuit of the magnetic chuck component to be conducted so as to release the screw, and after the triggering component is separated from the workpiece, the elastic downward movement synchronously drives the rotating piece to reversely reset so that the magnetic circuit of the magnetic chuck component is disconnected so as to adsorb the screw. Through the technical scheme, when the magnetic chuck moves down to lock the chuck, the trigger component is abutted against the surface of the workpiece and moves upwards along the axial direction of the chuck main body, so that the rotating piece of the magnetic chuck component is triggered to rotate, the magnetic circuit of the magnetic chuck component is conducted, the magnetic force of the magnetic chuck component can be conducted without an external screw, the magnetic field can not outwards extend to adsorb the screw, so that the screw is released, after the chuck is completed, the chuck is far away from the workpiece, the trigger component moves downwards to reset, the synchronous driving rotating piece reversely rotates to disconnect the magnetic circuit of the magnetic chuck component, the magnetic field can outwards extend, a complete magnetic circuit is formed by virtue of the external screw, the screw can be adsorbed by the chuck head end, the pre-positioning of the screw is realized, an