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CN-224209902-U - Positioning mechanism for blank processing

CN224209902UCN 224209902 UCN224209902 UCN 224209902UCN-224209902-U

Abstract

The utility model relates to the technical field of positioning mechanisms for machining metal casting blanks, in particular to a positioning mechanism for machining blanks, which comprises an operation table, wherein a rotatable disc-shaped object placing seat is arranged at the top of the operation table, a meshing cavity is arranged in the operation table, a transmission assembly for driving the object placing seat to rotate is arranged in the meshing cavity, each group of lifting adjusting assemblies is provided with a positioning clamp capable of sliding up and down, each positioning clamp comprises a sliding seat connected with the lifting adjusting assemblies, two electric telescopic rods horizontally arranged on one side of the sliding seat far away from the lifting adjusting assemblies, an installation seat respectively fixed at the output end of each electric telescopic rod, and a rotary clamping block hinged between the two installation seats through a horizontal rotating shaft, and the positioning mechanism realizes high-precision positioning and self-adaptive clamping force control of special-shaped blanks through a two-way intelligent clamping structure and a two-stage turbine worm transmission system, so that the machining efficiency is improved, and meanwhile, the maintenance cost is reduced.

Inventors

  • WANG YONG
  • LIN BO

Assignees

  • 无锡麦通金属制品有限公司

Dates

Publication Date
20260508
Application Date
20250516

Claims (7)

  1. 1. Positioning mechanism for workblank processing, including operation panel (1), its characterized in that: The top of the operating table (1) is provided with a rotatable disc-shaped object placing seat (2), an engagement cavity (3) is formed in the operating table (1), and a transmission assembly for driving the object placing seat (2) to rotate is arranged in the engagement cavity (3); Two groups of lifting adjusting assemblies (4) are symmetrically arranged on the surface of the object placing seat (2), and a positioning clamp (5) capable of sliding up and down is arranged on each group of lifting adjusting assemblies (4); The positioning clamp (5) comprises a sliding seat (6) connected with the lifting adjusting assembly (4), two electric telescopic rods (7) horizontally arranged on one side, far away from the lifting adjusting assembly (4), of the sliding seat (6), mounting seats (8) respectively fixed at the output ends of the electric telescopic rods (7), and a rotary clamping block (10) hinged between the two mounting seats (8) through a horizontal rotating shaft (9); The rotary clamping block (10) is provided with a first clamping surface (11) and a second clamping surface (12) which are oppositely arranged, the first clamping surface (11) is provided with a V-shaped groove, and the second clamping surface (12) is a plane clamping part; one of the installation seats (8) is provided with a self-locking motor (13) at the outer side, and an output shaft of the self-locking motor (13) is coaxially connected with a rotating shaft (9) of the rotary clamping block (10).
  2. 2. The positioning mechanism for blank processing according to claim 1, wherein the surfaces of the V-shaped groove and the plane clamping part are respectively coated with an elastic pad (14) with anti-skid patterns, a pressure sensor (15) is embedded in the elastic pad (14), and the pressure sensor (15) is connected with a control panel (16) arranged on the operating platform (1).
  3. 3. The positioning mechanism for blank processing according to claim 1, wherein the transmission assembly comprises a worm gear (17) arranged in the meshing cavity (3), a worm member (18) meshed with the worm gear (17), and a rotary table (19) coaxially connected with the worm gear (17), the end part of the worm member (18) penetrates through the side wall of the operating table (1) and is connected with a manual adjusting wheel (20), and the upper end of the rotary table (19) is coaxially fixedly connected with the object placing seat (2).
  4. 4. The positioning mechanism for blank processing according to claim 1, wherein the lifting adjusting assembly (4) comprises a stand column (21) vertically fixed on the surface of the object placing seat (2), a guide groove (22) formed in one side of the stand column (21) along the height direction, and an adjusting screw rod (23) matched with the guide groove (22), and the sliding seat (6) is embedded in the guide groove (22) and forms threaded pair connection with the adjusting screw rod (23).
  5. 5. The positioning mechanism for blank processing according to claim 1, wherein the self-locking motor (13) is a worm gear motor, the worm gear module of the self-locking motor (13) is 1.5-2mm, the worm lead angle is 15-25 degrees, and the motor power is 200-400W.
  6. 6. The positioning mechanism for blank processing according to claim 1, wherein self-lubricating bearings (24) are arranged at two ends of a rotating shaft (9) of the rotating clamping block (10), and a detachable dust cover (25) is arranged outside the self-lubricating bearings (24).
  7. 7. The positioning mechanism for blank processing according to claim 2, wherein the control panel (16) is provided with a pressure threshold setting module and a clamping face angle display module, and the pressure threshold setting module and the self-locking motor (13) form linkage control.

Description

Positioning mechanism for blank processing Technical Field The utility model relates to the technical field of positioning mechanisms for machining metal casting blanks, and particularly discloses a positioning mechanism for machining blanks. Background The accurate positioning before the blank processing is a key link for ensuring the processing quality and efficiency, and at present, the common blank processing positioning machine on the market has a plurality of limitations. On the one hand, the traditional positioning machine is single in clamping structure, most of the traditional positioning machine only has a fixed clamping mode, for example, only a plane clamping part or a V-shaped groove clamping structure is arranged, so that the traditional positioning machine is only suitable for blanks with specific shapes, and cannot realize effective clamping and positioning for the blanks with irregular or diversified shapes, so that the universality and the application range of equipment are greatly limited, on the other hand, most of the positioning machines lack of real-time monitoring and effective control on clamping force, when the blanks are clamped, the situation that the surfaces of the blanks are damaged due to overlarge clamping force or the blanks slide in the machining process due to overlarge clamping force easily occurs, and the machining quality and the safety are influenced. Therefore, a positioning machine for blank processing, which can solve the above problems, realize multifunctional clamping, accurate positioning and control, and has convenient operation and reliable structure, is needed. Disclosure of utility model The positioning mechanism for blank processing provided by the utility model can adapt to blanks of different shapes through the multifunctional clamping structure, realizes accurate positioning and control, is convenient to operate, has a reliable structure, solves the problems of single clamping mode, insufficient positioning precision, complex operation, easiness in wearing parts and the like of the traditional positioning machine, and improves the processing quality, safety and working efficiency. The utility model discloses a positioning mechanism for workblank processing, which comprises an operation table, wherein a rotatable disc-shaped object placing seat is arranged at the top of the operation table, a meshing cavity is formed in the operation table, and a transmission assembly for driving the object placing seat to rotate is arranged in the meshing cavity; Two groups of lifting adjusting components are symmetrically arranged on the surface of the object placing seat, and each group of lifting adjusting components is provided with a positioning clamp capable of sliding up and down; The positioning clamp comprises a sliding seat connected with the lifting adjusting assembly, two electric telescopic rods horizontally arranged on one side of the sliding seat far away from the lifting adjusting assembly, mounting seats respectively fixed at the output ends of the electric telescopic rods, and a rotary clamping block hinged between the two mounting seats through a horizontal rotating shaft; the rotary clamping block is provided with a first clamping surface and a second clamping surface which are oppositely arranged, the first clamping surface is provided with a V-shaped groove, and the second clamping surface is a plane clamping part; One of the mounting seats is provided with a self-locking motor on the outer side, and an output shaft of the self-locking motor is coaxially connected with a rotating shaft of the rotating clamping block. As a preferable positioning mechanism for blank processing, the surfaces of the V-shaped groove and the plane clamping part are respectively covered with an elastic pad with anti-skid patterns, a pressure sensor is embedded in the elastic pad, and the pressure sensor is connected with a control panel arranged on an operation table. As a positioning mechanism for blank processing, the transmission assembly comprises a worm gear arranged in a meshing cavity, a worm rod meshed with the worm gear, and a rotary table coaxially connected with the worm gear, wherein the end part of the worm rod penetrates through the side wall of the operating table to be connected with a manual adjusting wheel, and the upper end of the rotary table is coaxially and fixedly connected with a storage seat. As a positioning mechanism for blank processing, the lifting adjusting assembly comprises an upright post vertically fixed on the surface of the object placing seat, a guide groove formed in one side of the upright post along the height direction, and an adjusting screw rod matched with the guide groove, wherein the sliding seat is embedded in the guide groove and is connected with the adjusting screw rod in a threaded pair. As the positioning mechanism for blank processing, the self-locking motor is preferably a worm gear speed reducing motor, the worm gear m