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CN-224223128-U - Support positioning and clamping mechanism

CN224223128UCN 224223128 UCN224223128 UCN 224223128UCN-224223128-U

Abstract

The utility model relates to the field of welding automation, in particular to a bracket positioning and clamping mechanism which comprises a base, a guide piece arranged on the base, a vertical first guide groove, a vertical second guide groove and a vertical third guide groove which are arranged on the guide piece, wherein the second guide groove comprises a vertical first groove section and a second groove section which divergently extends outwards, the depth of the first groove section is larger than or equal to that of the third guide groove, the third guide groove is arranged at the top end of the guide piece and communicated with the outside through an opening at the upper end, the extending directions of the first guide groove, the first groove section and the third guide groove are consistent, a core rod which is telescopically arranged in the first guide groove is hinged with a sliding block through a first connecting block, the first connecting block is in sliding fit in the first guide groove, and the sliding block is in sliding fit with the second guide groove through a second connecting block. The utility model has simple and compact structure, and can meet the requirements of the bracket on the aspects of compound motion, precision maintenance, space adaptation and the like in the welding process.

Inventors

  • YANG KAI
  • WANG YANGYANG
  • WANG HONGWEI

Assignees

  • 艾瑞(成都)排放控制技术有限公司

Dates

Publication Date
20260512
Application Date
20250509

Claims (9)

  1. 1. A bracket positioning and clamping mechanism, comprising: a base (100); a guide (110) provided on the base (100); A first (111), a second (112) and a third (113) vertical guide groove provided on the guide (110), wherein: The second guide groove (112) comprises a vertical first groove section (1121) and a second groove section (1122) which divergently extends outwards; The depth of the first groove section (1122) is greater than or equal to the depth of the third guide groove (113); The third guide groove (113) is arranged at the top end of the guide piece (110) and is communicated with the outside through an upper end opening (1131); The extending directions of the first guide groove (111), the first groove section (1121) and the third guide groove (113) are consistent; A core bar (200) telescopically arranged in the first guide groove (111), the end part of the core bar is hinged with the sliding block (300) through a first connecting block (210), and the first connecting block (210) is in sliding fit in the first guide groove (111); A slider (300) slidably engaged with the second guide groove (112) through a second connection block (320) and slidably engaged with the third guide groove (113) through a third connection block (330); the support arm (400) is connected with the far end of the sliding block (300), and the tail end of the support arm is provided with a support positioning chuck (500).
  2. 2. The bracket positioning and clamping mechanism according to claim 1, wherein the guide member (110) is plate-shaped, each guide groove transversely penetrates through the guide member, the sliding block (300) comprises an upper base (310), a first sliding plate (311) and a second sliding plate (312) are arranged on two sides of the upper base, and a gap (313) matched with the guide member (110) is reserved between the two sliding plates.
  3. 3. The bracket positioning and clamping mechanism according to claim 1 or 2, further comprising a sliding sleeve (211) connected with the core bar (200) through a bolt (212) in an axial inner hole of the sliding sleeve, wherein the first connecting block (210) transversely penetrates through the sliding sleeve (211), and the sliding sleeve (211) is hinged with the sliding block (300) through two shaft ends of the first connecting block (210).
  4. 4. The bracket positioning and clamping mechanism according to claim 1, wherein, The bracket positioning chuck (500) comprises a positioning block (510), and a positioning groove (511) is formed at the distal end of the positioning block; a positioning pin (5111) is arranged at the bottom of the positioning groove (511), and clamping jaws (520) capable of swinging are arranged at the notches at the two sides; The claw heads (521) of the clamping claws (520) extend into the positioning grooves (511), and the claw arms (522) are hinged to the outer walls of the positioning blocks (510); The claw tail (523) and the support of the positioning block (510) are provided with elastic elements (530), so that the claw tail (523) has a trend of being far away from the positioning block (510).
  5. 5. The bracket positioning and clamping mechanism according to claim 4, wherein the two outer side walls of the clamping jaw (520) are connected with clamping pieces (540), and the support arm (400) is provided with a strip hole (410) for the clamping pieces (540) to pass through.
  6. 6. The bracket positioning and clamping mechanism according to claim 1, wherein the upper end of the base (100) is detachably connected with a wear block (600), and a clamping groove (610) is formed at the top end of the wear block for clamping the arm body of the support arm (400).
  7. 7. The bracket positioning and clamping mechanism according to claim 1, wherein a limiting block (340) is arranged on the sliding block (300), a bending part (341) is arranged at the far end of the sliding block, a first limiting surface (3411) and a first guiding surface (3412) are respectively arranged on the outer surfaces of two sides of the bending part (341), a limiting claw is arranged on the base, and a second limiting surface (554) is arranged on the back side of the claw tip of the limiting claw and matched with the first limiting surface (3411).
  8. 8. The bracket positioning and clamping mechanism of claim 1, wherein the connecting block is cylindrical.
  9. 9. The bracket positioning and clamping mechanism according to claim 1, wherein a telescopic cylinder is arranged on the base, and the movable end of the telescopic cylinder is connected with the core rod.

Description

Support positioning and clamping mechanism Technical Field The utility model relates to the field of welding automation, in particular to a bracket positioning and clamping mechanism. Background In the course of working at automobile exhaust system, need carry out support welding on the casing, in welding process, need be through anchor clamps will be fixed a position with the support butt joint, need fix a position and press from both sides tightly the support simultaneously, present generally adopt cylinder and locating piece complex mode, only can realize the vertical lift motion of support arm, this kind of mode is used, the position precision of locating piece is relatively poor, simultaneously after support welding finishes, can't deviate in the direction of giving for, make welding major structure, in getting a direction, receive great restriction, can't give arm and main part work piece and step down, if need increase and keep away the barrier structure, must not only increase equipment complexity through the secondary location or additionally increase rotary drive unit, still result in the location cumulative error great. Disclosure of utility model The utility model aims at overcoming the defects of the prior art, and provides a bracket positioning and clamping mechanism which is simple and compact in structure and can meet the requirements of the bracket on the aspects of compound motion, precision maintenance, space adaptation and the like in the welding process. The utility model aims to realize the bracket positioning and clamping mechanism, which comprises: A base; a guide member provided on the base; Vertical first, second and third guide grooves provided on the guide, wherein: The second guide groove comprises a vertical first groove section and a second groove section which divergently extends outwards; the depth of the first groove section is greater than or equal to the depth of the third groove; the third guide groove is arranged at the top end of the guide piece and is communicated with the outside through an upper end opening; The extending directions of the first guide groove, the first groove section and the third guide groove are consistent; the end part of the core rod is hinged with the sliding block through a first connecting block, and the first connecting block is in sliding fit in the first guide groove; The sliding block is in sliding fit with the second guide groove through the second connecting block and in sliding fit with the third guide groove through the third connecting block; The support arm is connected to the far end of the sliding block, and the tail end of the support arm is provided with a support positioning chuck. The sliding block comprises an upper base, a first sliding plate and a second sliding plate are arranged on two sides of the upper base, and a gap matched with the guide piece is reserved between the two sliding plates. The sliding sleeve is connected with the core rod through a bolt in an axial inner hole of the sliding sleeve, the first connecting block transversely penetrates through the sliding sleeve, and the sliding sleeve is hinged with the sliding block through two shaft ends of the first connecting block. The bracket positioning chuck comprises a positioning block, and a positioning groove is formed in the far end of the positioning block; The bottom of the positioning groove is provided with a positioning pin, and the notches at the two sides are provided with clamping jaws capable of swinging; the claw heads of the clamping claws extend into the positioning grooves, and the claw arms are hinged to the outer walls of the positioning blocks; the claw tail and the positioning block support are provided with elastic elements, so that the claw tail has a trend of being far away from the positioning block. The two outer side walls of the clamping jaw are connected with clamping pieces, and the support arm is provided with a strip hole for the clamping pieces to pass through. The upper end of the base is detachably connected with the abrasion block, and the top end of the base is provided with a clamping groove for clamping the arm body of the support arm. The sliding block is provided with a limiting block, the far end of the sliding block is provided with a bending part, the outer surfaces of two sides of the bending part are respectively provided with a first limiting surface and a first guiding surface, the base is provided with a limiting claw, and the back side of the claw tip of the limiting claw is provided with a second limiting surface which is matched with the first limiting surface. The connecting block is cylindrical. The base is provided with a telescopic cylinder, and the movable end of the telescopic cylinder is connected with the core rod. By adopting the scheme, the main body support is provided for the whole clamping mechanism through the base, wherein the guide piece plays a role in guiding, limiting and guiding the sliding bl