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CN-122009812-A - Rim processing and transferring clamp

CN122009812ACN 122009812 ACN122009812 ACN 122009812ACN-122009812-A

Abstract

The invention relates to the technical field of rim processing, in particular to a rim processing transfer clamp which comprises a first clamp and a second clamp which are symmetrically arranged along the middle section of the axial direction of a rim, wherein the second clamp has the same structure as the first clamp, any clamp comprises a lower base, a transverse connecting rod mechanism arranged at the bottom of the lower base, a clamping hand assembly arranged at one side of the transverse connecting rod mechanism, a first driving mechanism and a second driving mechanism arranged above the lower base, an upper base arranged above the driving mechanism, and a clamp mounting seat arranged above the upper base, wherein the upper base is connected with the lower base through a longitudinal connecting rod group and a plurality of rotating shafts, and the clamp mounting seat is connected with the upper base through a trapezoidal screw transmission mechanism. The automatic clamping device realizes automatic clamping of rim transfer, replaces manual work, improves the accuracy of rim alignment, and meets the rim processing and transferring requirements of various sizes.

Inventors

  • YANG ZHAOBIN
  • Wang Fanhu

Assignees

  • 山东奥冠自动化设备有限公司

Dates

Publication Date
20260512
Application Date
20260408

Claims (10)

  1. 1. The utility model provides a clamp is transported in rim processing which characterized in that includes: The first clamp and the second clamp are symmetrically arranged along the middle section of the rim axial direction, wherein the second clamp and the first clamp have the same structure; Any fixture comprises a lower base, a transverse connecting rod mechanism arranged at the bottom of the lower base, a clamping hand assembly arranged at one side of the transverse connecting rod mechanism, a first driving mechanism and a second driving mechanism arranged above the lower base, an upper base arranged above the driving mechanism, and a fixture mounting seat arranged above the upper base, wherein the upper base is connected with the lower base through a longitudinal connecting rod group and a plurality of rotating shafts, and the fixture mounting seat is connected with the upper base through a trapezoidal screw transmission mechanism; The transverse connecting rod mechanism comprises a first connecting rod group and a second connecting rod group, wherein any connecting rod group comprises an inner connecting rod and an outer connecting rod which are arranged in parallel, and a first rotating shaft and a second rotating shaft are arranged inside any connecting rod; The first driving mechanism comprises a pair of clamping cylinders and a cylinder seat, the cylinder seat is fixed below the upper base, the fixed ends of the clamping cylinders are respectively arranged on two sides of the cylinder seat through trunnions, the movable ends of the clamping cylinders are provided with rotating shafts and jacking blocks sleeved with the rotating shafts, and the jacking blocks are fixedly connected with the upper parts of the inner side connecting rods; The second driving mechanism comprises a closing oil cylinder and a pair of guide plates, wherein the guide plates are fixed at the bottom of the upper base, one end of the closing oil cylinder is connected with the guide plates, and the other end of the closing oil cylinder is connected with the lower base.
  2. 2. The rim machining transfer fixture of claim 1, wherein two ends of the first rotating shaft are fixed on the side wall of the bottom of the lower base, the second rotating shaft is arranged below the first rotating shaft in parallel, and connecting rods in the transverse connecting rod mechanism are connected with the rotating shafts through bearings.
  3. 3. The rim machining transfer jig of claim 2, wherein the longitudinal linkage comprises a first link and a fourth link on a side closer to the rim and a second link and a third link on a side farther from the rim.
  4. 4. A rim machining transfer jig according to claim 3, wherein the grip assembly comprises a first grip holder and a second grip holder respectively connected to the first and second linkages, the first grip holder being provided with a first grip and the second grip holder being provided with a second grip.
  5. 5. The rim machining transfer fixture of claim 4, wherein the trapezoidal screw drive mechanism comprises a pair of hard rails transversely arranged on two sides of the top of the upper base, a nut seat arranged in the center of the top of the upper base, a trapezoidal screw transversely penetrating through the nut seat and having two ends fixed to the bottom of the fixture mounting seat, and a slider respectively connected with the fixture mounting seat and the hard rails.
  6. 6. The rim machining transfer jig of claim 5, wherein the clamping fingers are in toothed surface connection with the clamping finger seats.
  7. 7. The rim machining transfer clamp according to claim 6, wherein the first clamp and the second clamp are symmetrically arranged, and a plurality of oblong holes are formed in any clamp.
  8. 8. The rim processing transfer clamp according to claim 7, wherein the bottom of the guide plate is connected with the cylinder body of the closing cylinder through a trunnion, and the piston rod of the closing cylinder is connected with the lower base through a pin shaft and a connecting joint.
  9. 9. The rim machining transfer jig of claim 1, further comprising: the closing detection module is connected with the closing oil cylinder and used for detecting the liquid pressure of the closing oil cylinder and the displacement of the extending end of the closing oil cylinder in real time so as to judge the closing condition of the rim; The clamping hand detection module is arranged on the clamping hand of each clamping hand assembly and used for detecting the relative displacement between the rim and each clamping hand and detecting the response speed of the piston action of each clamping cylinder; The clamping analysis module is connected with the clamping hand detection module and used for analyzing the clamping gesture based on the acquired relative displacement between the rim and the clamping hand so as to determine the consistency of the clamping hand actions and judge the abrasion condition of the clamping hand; and the clamping adjustment module is connected with the clamping analysis module and the clamping oil cylinder and used for controlling the corresponding clamping oil cylinder to adjust the clamping hand action based on the clamping gesture.
  10. 10. The rim machining transfer jig of claim 9, wherein the clamping analysis module calculates a docking deviation value of a rim docking surface based on the relative displacement, and makes a comparison decision based on the docking deviation value and a preset deviation threshold to determine a clamping hand action consistency; The clamping adjustment module determines a delay oil cylinder based on the butt-joint deviation value and the response speed of the piston action of each clamping oil cylinder so as to adjust the clamping hand action based on the delay oil cylinder.

Description

Rim processing and transferring clamp Technical Field The invention relates to the technical field of rim processing, in particular to a rim processing transfer clamp. Background The rim butt welding machine is key equipment in a modern wheel manufacturing production line, and has the functions of butt welding and welding the rolled rim plates to form, and the quality of welding seams directly determines the structural strength, air tightness and dynamic balance performance of the wheel. Therefore, the rim butt welding process has extremely severe requirements on the butt welding precision, namely, the gap between the butt welding sections is required to be strictly controlled within a certain range, the butt welding on the whole circumference is required to be uniform, and any small dislocation or uneven gap can cause welding defects, so that the welding process becomes a great hidden danger of product quality and driving safety. However, the feeding and aligning processes of the rim butt welding machine at present are seriously dependent on manual operation, and automation is difficult to realize, so that the method becomes a key bottleneck for limiting the improvement of the efficiency and quality of the full-automatic production line. CN107931946a discloses a rim clamp, which comprises a base, wherein a U-shaped plate is connected in a sliding fit manner in the base, a running gear for driving the U-shaped plate to slide in the base is arranged below the U-shaped plate, mounting plates are arranged on two vertical plates of the U-shaped plate, an L-shaped bracket is connected on one side of a bottom plate of the U-shaped plate in a matching manner, a stem is fixedly connected on a column of the L-shaped bracket through a connecting shaft, a group of first through holes are arranged on the bottom plate of the U-shaped plate, a first clamping device is arranged at each first through hole, a group of second through holes are arranged on each mounting plate, and a second clamping device is arranged at each second through hole. Therefore, in the prior art, the clamp can only achieve grabbing and rough positioning of the rim, the positioning precision and the repeated positioning precision of the clamp are insufficient for achieving accurate butt joint of the coiled plate interface of the rim, and the problems that the butt joint is inconsistent and the machining and transferring of rims of various types cannot be met due to manual butt joint operation cannot be solved. Disclosure of Invention Therefore, the invention provides a rim processing and transferring clamp which is used for solving the problems that in the prior art, the clamp cannot realize accurate alignment of rims, so that automatic feeding is difficult to realize, alignment consistency is poor, and product quality cannot be guaranteed. In order to achieve the aim, the invention provides a rim processing transfer clamp, which comprises a first clamp and a second clamp, wherein the first clamp and the second clamp are symmetrically arranged along the middle section of the axial direction of a rim, and the second clamp has the same structure as the first clamp; Any fixture comprises a lower base, a transverse connecting rod mechanism arranged at the bottom of the lower base, a clamping hand assembly arranged at one side of the transverse connecting rod mechanism, a first driving mechanism and a second driving mechanism arranged above the lower base, an upper base arranged above the driving mechanism, and a fixture mounting seat arranged above the upper base, wherein the upper base is connected with the lower base through a longitudinal connecting rod group and a plurality of rotating shafts, and the fixture mounting seat is connected with the upper base through a trapezoidal screw transmission mechanism; The transverse connecting rod mechanism comprises a first connecting rod group and a second connecting rod group, wherein any connecting rod group comprises an inner connecting rod and an outer connecting rod which are arranged in parallel, and a first rotating shaft and a second rotating shaft are arranged inside any connecting rod; The first driving mechanism comprises a pair of clamping cylinders and a cylinder seat, the cylinder seat is fixed below the upper base, the fixed ends of the clamping cylinders are respectively arranged on two sides of the cylinder seat through trunnions, the movable ends of the clamping cylinders are provided with rotating shafts and jacking blocks sleeved with the rotating shafts, and the jacking blocks are fixedly connected with the upper parts of the inner side connecting rods; The second driving mechanism comprises a closing oil cylinder and a pair of guide plates, wherein the guide plates are fixed at the bottom of the upper base, one end of the closing oil cylinder is connected with the guide plates, and the other end of the closing oil cylinder is connected with the lower base. Further, the two ends of the fi