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CN-122007948-A - Quick positioning and clamping tool and method for machine tool suitable for machining irregular parts

CN122007948ACN 122007948 ACN122007948 ACN 122007948ACN-122007948-A

Abstract

The invention relates to the technical field of part processing, and particularly discloses a quick positioning clamping tool and a quick positioning clamping method for a machine tool suitable for irregular part processing, wherein the quick positioning clamping tool comprises a base, a bolt connecting piece is fixedly arranged on the side wall of the base through a bolt; the piston reset assembly is used for quickly keeping the piston rod flush and recovering to the initial position, so that the next round of clamping and processing are facilitated, the clamping efficiency is improved, the processing efficiency is further improved, the position of the part clamped at the top of the sliding seat and the processing table is accurately adjusted through the position adjusting assembly, the processing precision is improved, and the finished product rate and the qualification rate of part processing are further improved.

Inventors

  • DU YINGLIU
  • LIN XIN
  • MA ZHIAN

Assignees

  • 安徽应流机电股份有限公司

Dates

Publication Date
20260512
Application Date
20260319

Claims (10)

  1. 1. The quick positioning and clamping tool for the machine tool suitable for machining irregular parts comprises a base (1), wherein a bolt connecting piece (2) is fixedly arranged on the side wall of the base (1) through a bolt, and the quick positioning and clamping tool is characterized in that two first sliding grooves (3) are formed in the inner side of the base (1), the same sliding seat (4) is embedded in the inner walls of the first sliding grooves (3) in a sliding manner, and a machining table (5) is fixedly arranged at the top of the sliding seat (4); The novel clamping device comprises a machining table (5), and is characterized by further comprising a coarse clamping assembly (6), wherein the coarse clamping assembly (6) is arranged on the surface of the machining table (5), the coarse clamping assembly (6) comprises a first servo motor (61), the first servo motor (61) is fixedly arranged on the outer wall of the machining table (5), the output end of the first servo motor (61) is fixedly connected with a threaded rod (62), the outer wall of the threaded rod (62) penetrates through two threaded sliders (63) and is in threaded connection with the threaded rod, two opposite threads are formed on the outer wall of the threaded rod (62) corresponding to the two threaded sliders (63), the threaded sliders (63) are in sliding connection with the inner wall of the machining table (5), two threaded connecting plates (64) are fixedly connected to the two ends of the threaded sliders (63), and two clamping blocks (65) are fixedly connected with the threaded sliders (63) through the threaded connecting plates (64) in a sliding mode; Still include self-adaptation laminating subassembly (7), self-adaptation laminating subassembly (7) are including array inlay dress a plurality of inflator (71) in two opposite sides of clamp splice (65) to and set up in inside air cavity (72) of clamp splice (65), spacing groove (73) have been seted up to the inner wall of inflator (71), the one end sliding connection of inflator (71) has piston rod (74), the one end fixedly connected with piston head (75) of piston rod (74), the outside cover of piston head (75) is equipped with sealing ring (76), the outside of sealing ring (76) is sealed with the inner wall sliding of spacing groove (73), solenoid valve (77) are installed to the one end that piston rod (74) was kept away from to inflator (71), all inflator (71) are through corresponding solenoid valve (77) control and air cavity (72) intercommunication or isolation.
  2. 2. The quick positioning and clamping tool for the machine tool for machining irregular parts according to claim 1, wherein the coarse clamping assembly (6) further comprises a second sliding groove (66) formed in the machining table (5), the upper inner wall and the lower inner wall of the second sliding groove (66) are respectively connected with the upper end and the lower end of the threaded sliding block (63) in a sliding mode, and the inner wall of the second sliding groove (66) is rotatably connected with one end, away from the first servo motor (61), of the threaded rod (62).
  3. 3. The quick positioning and clamping tool for the machine tool, which is suitable for machining irregular parts, according to claim 1, is characterized in that the self-adaptive fitting assembly (7) is integrated in the rough clamping assembly (6), and the self-adaptive fitting assembly (7) is used for realizing accurate fitting and positioning by being matched with the surface of an irregular workpiece.
  4. 4. The quick positioning and clamping tool for the machine tool for machining irregular parts according to claim 1, wherein a buffer pad (78) is wrapped at one end, far away from a piston head (75), of the piston rod (74), and anti-slip lines are arranged on the surface of the buffer pad (78).
  5. 5. The quick positioning and clamping tool for the machine tool for machining irregular parts according to claim 1, further comprising a piston reset assembly (8), wherein the piston reset assembly (8) is arranged in the clamping block (65), and the piston reset assembly (8) is used for quickly resetting the piston rod (74).
  6. 6. The quick positioning and clamping tool for the machine tool for machining irregular parts according to claim 5, wherein the piston resetting assembly (8) comprises an air cylinder (81), a push plate (82), a sealing sleeve (83) and an air vent (84), the air cylinder (81) is arranged on one side, far away from the piston rod (74), of the clamping block (65), the push plate (82) is slidably connected to the inner wall of the clamping block (65), the sealing sleeve (83) wraps the edge of the push plate (82), the outer side of the sealing sleeve (83) is slidably sealed with the inner wall of the clamping block (65), and the air vent (84) is arranged on one side, close to the air cylinder (81), of the clamping block (65).
  7. 7. The quick positioning and clamping tool for the machine tool for machining irregular parts according to claim 1, further comprising a position adjusting assembly (9), wherein the position adjusting assembly (9) is arranged on the inner side of the base (1), and the position adjusting assembly (9) is used for driving the sliding seat (4) to slide along the first sliding groove (3).
  8. 8. The quick positioning and clamping tool for the machine tool for machining irregular parts according to claim 7, wherein the position adjusting assembly (9) comprises a second servo motor (91), a driving shaft (92), a worm (93), a worm wheel (94), a rotating shaft (95), gears (96) and racks (97), the second servo motor (91) is arranged on one side of the sliding seat (4), the driving shaft (92) and the worm (93) are both rotationally connected to the inner wall of the sliding seat (4), two ends of the driving shaft (92) are fixedly connected with one end of the worm (93) and the output end of the second servo motor (91), the worm wheel (94) is meshed with the outer edge of the worm (93), the number of the rotating shaft (95), the gears (96) and the racks (97) is two, the two rotating shafts (95) are both rotationally connected to the bottom of an inner cavity of the sliding seat (4), the outer wall of one rotating shaft (95) is fixedly connected with the inner wall of the worm wheel (94), the two gears (96) are respectively fixedly connected to the outer walls of the two rotating shafts (95), the two racks (96) are respectively meshed with the two sliding grooves (3) respectively, the tooth surfaces of the two racks (97) are respectively meshed with the outer edges of the two gears (96).
  9. 9. The quick positioning and clamping tool for the machine tool, which is suitable for machining irregular parts, according to claim 1 or 5, is characterized in that the sealing ring (76) and the sealing sleeve (83) are made of rubber materials with high temperature resistance and wear resistance, so that the sealing effect of the inflator and the piston is ensured.
  10. 10. The method for using the quick positioning and clamping tool for the machine tool for machining irregular parts, which is disclosed by any one of claims 1-9, is characterized by comprising the following specific operation steps: the method comprises the steps of clamping, namely, fixedly mounting a base (1) on a machine tool through a bolt connecting piece (2), and enabling a cylinder (81) to retract to drive a push plate (82) to reset through a piston resetting assembly (8), wherein an air cavity (72) forms negative pressure to adsorb all piston rods (74) and piston heads (75) to an initial position, so that the end parts of all the piston rods (74) are kept on the same plane; Step two, coarse positioning and clamping, namely placing an irregular part on the top of a processing table (5), and driving a clamping block (65) to move in opposite directions through a coarse clamping assembly (6), so that a piston rod (74) drives a cushion pad (78) to preliminarily contact the part, and coarse positioning is completed; Step three, self-adaptive lamination positioning, namely, extruding part piston rods (74) on irregular surfaces of parts to retract through a self-adaptive lamination assembly (7), pushing other part piston rods (74) to extend through an air cavity (72) by air until all cushion pads (78) are tightly laminated with the parts, closing an electromagnetic valve (77) to lock the positions of the piston rods (74), and finishing accurate clamping; Step four, position adjustment, namely driving the sliding seat (4) to slide along the first sliding groove (3) through the position adjustment assembly (9) so as to drive the part to move to a preset processing position for processing; Step five, the workpiece is taken down and reset, an electromagnetic valve (77) is opened after the processing is completed, a push plate (82) is pulled firstly through a piston reset assembly (8) to enable gas in the air cavity (72) to form negative pressure, an adsorption piston head (75) is retracted to the tail end of a limiting groove (73), the end parts of all piston rods (74) are located on the same plane, a clamping block (65) is moved back to back through a coarse clamping assembly (6), the workpiece is taken down, the push plate (82) is pushed to squeeze the gas, and the piston rods (74) are pushed to reset.

Description

Quick positioning and clamping tool and method for machine tool suitable for machining irregular parts Technical Field The invention relates to the technical field of part machining, in particular to a quick positioning and clamping tool and method for a machine tool suitable for irregular part machining. Background In fields such as machine-building, aerospace, automobile parts processing, etc., irregular parts are increasingly widely applied, and in order to improve the accuracy of processing when processing parts, clamping and fixing are needed, so that the accuracy and the high efficiency of part clamping and positioning directly determine the processing accuracy, the production efficiency and the product percent of pass. The existing processing machine tool is mainly provided with a rigid clamping tool when processing parts, the tool is high in structural stability, but is extremely poor in universality due to shape limitation, and when processing irregular parts, a customized clamp needs to be frequently designed and replaced, so that the production cost is increased, the machine tool is required to be stopped for each replacement, the processing efficiency is seriously influenced, and the quick positioning clamping tool for the machine tool suitable for processing the irregular parts is provided for the problems. Disclosure of Invention The invention aims to provide a quick positioning and clamping tool and a quick positioning and clamping method for a machine tool suitable for irregular part machining, so as to solve the problems of poor universality, increased cost and reduced machining efficiency of the rigid clamping tool provided by the background technology. The quick positioning and clamping tool for the machine tool suitable for machining irregular parts comprises a base, wherein a bolt connecting piece is fixedly arranged on the side wall of the base through a bolt, two first sliding grooves are formed in the inner side of the base, the same sliding seat is embedded in the inner walls of the first sliding grooves in a sliding manner, and a machining table is fixedly arranged at the top of the sliding seat; The device comprises a processing table, and is characterized by further comprising a coarse clamping assembly, wherein the coarse clamping assembly is arranged on the surface of the processing table and comprises a first servo motor, the first servo motor is fixedly arranged on the outer wall of the processing table, the output end of the first servo motor is fixedly connected with a threaded rod, the outer wall of the threaded rod penetrates through two threaded sliders and is in threaded connection with the threaded rod, two opposite threads are formed on the outer wall of the threaded rod corresponding to the two threaded sliders, the threaded sliders are in sliding connection with the inner wall of the processing table, two ends of the threaded sliders are fixedly connected with threaded connection plates, two clamping blocks are in sliding fit with the top end of the processing table, and the clamping blocks are fixedly connected with the threaded sliders through the threaded connection plates; Still include self-adaptation laminating subassembly, self-adaptation laminating subassembly includes that the array inlays the dress in a plurality of inflator of two opposite sides of clamp splice and sets up the air cavity in the clamp splice is inside, the spacing groove has been seted up to the inner wall of inflator, the one end sliding connection of inflator has the piston rod, the one end fixedly connected with piston head of piston rod, the outside cover of piston head is equipped with the sealing ring, the outside of sealing ring and the inner wall sliding seal of spacing groove, the solenoid valve is installed to the one end that the piston rod was kept away from to the inflator, all the inflator communicates or is isolated with the air cavity through corresponding solenoid valve control. Preferably, the thick clamping assembly further comprises a second chute arranged in the processing table, the upper inner wall and the lower inner wall of the second chute are respectively connected with the upper end and the lower end of the threaded sliding block in a sliding mode, and the inner wall of the second chute is rotationally connected with one end, far away from the first servo motor, of the threaded rod. Preferably, the self-adaptive laminating assembly is integrated in the thick clamping assembly, and the self-adaptive laminating assembly is used for adapting to the surface of the irregular workpiece to realize accurate laminating and positioning. Preferably, one end of the piston rod, which is far away from the piston head, is wrapped with a buffer pad, and the surface of the buffer pad is provided with anti-skid lines. Preferably, the quick positioning and clamping tool for the machine tool suitable for machining irregular parts further comprises a piston reset assembly, wherein t