CN111730232A - Automatic welding equipment for automobile steering pull rod assembly - Google Patents
Automatic welding equipment for automobile steering pull rod assembly Download PDFInfo
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- CN111730232A CN111730232A CN202010665735.1A CN202010665735A CN111730232A CN 111730232 A CN111730232 A CN 111730232A CN 202010665735 A CN202010665735 A CN 202010665735A CN 111730232 A CN111730232 A CN 111730232A
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- pull rod
- steering pull
- working
- placing table
- elastic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to the technical field of automobile accessories, in particular to automatic welding equipment for an automobile steering pull rod assembly, which is applied to coaxially welding ball joints at two ends of a steering pull rod, and comprises the following welding equipment: the length of the placing table is smaller than the distance between two ends of the steering pull rod; the elastic clamping radial devices are arranged on the working surface of the placing table at equal intervals; the end part positioners are arranged at the bottoms of the two ends of the placing table, and the working ends of the end part positioners are abutted against the two ends of the steering pull rod to enable the end part positioners to be positioned at the central position of the placing table in a working state; the working end and the two ends of the steering pull rod are coaxially arranged on the two sides of the elastic clamping radial device; the elastic rotary welder is characterized in that a welding working end is arranged at the working end of the axial clamping feeder in a coaxial rotating manner and inclines towards two ends of the steering pull rod; the vertical feeder of ball joint sets up perpendicularly in glassware one side in the axial centre gripping, and this equipment can be through the automatic weld ball joint of the soldered connection that encircles by oneself and pull rod, and welding accuracy is high.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to automatic welding equipment for an automobile steering pull rod assembly.
Background
The automobile steering pull rod mainly comprises: ball joint assembly, the nut, the pull rod closes the piece, the flexible gum cover in a left side, the flexible gum cover in a right side, constitute from tightening spring etc, in the steering linkage assembly production process for the car, need weld the ball joint part at pull rod closes piece and both ends, need utilize fixing device to press from both sides the ball joint part at pull rod closes piece and both ends tight fixedly at welded in-process, however, current car is with steering linkage assembly weld fixture mainly to fix the pull rod closes the piece, utilize anchor clamps centre gripping ball joint part to weld, deviation appears easily in this kind of mode welded steering linkage assembly, cause the quality of follow-up processing to descend, simultaneously, current after fixing the pull rod closes the piece, when need loosen the rotation that carries out the direction in the welding process, need clamping again, reduce welded efficiency.
Chinese patent CN201822141996.4 discloses a welding fixture for a steering rod assembly for an automobile, which can rotate in a clearance manner while fixing a steering rod, but an error is generated during the rotation process, so that the welding effect is not good.
Disclosure of Invention
In order to solve the technical problem, the automatic welding equipment for the automobile steering pull rod assembly is provided, and the technical scheme solves the problem that a welding head rotates relative to a welding seam when the steering pull rod and a ball joint part are fixed.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the utility model provides an automobile steering pull rod assembly automatic weld equipment, is applied to and welds ball joint coaxial welding at steering pull rod both ends, and its welding equipment is including: the length of the placing table is smaller than the distance between two ends of the steering pull rod; the elastic clamping radial devices are arranged on the working surface of the placing table at equal intervals, and in a working state, the abutting parts of the elastic clamping radial devices abut against the outer circumferential surface of the steering pull rod along the moving direction of one end of the elastic clamping radial devices; the end part positioners are arranged at the bottoms of the two ends of the placing table, and the working ends of the end part positioners are abutted against the two ends of the steering pull rod to enable the end part positioners to be positioned at the central position of the placing table in a working state; the working end and the two ends of the steering pull rod are coaxially arranged on the two sides of the elastic clamping radial device; the elastic rotary welder is characterized in that a welding working end is arranged at the working end of the axial clamping feeder in a coaxial rotating manner and inclines towards two ends of the steering pull rod; the ball joint vertical feeder is vertically arranged on one side of the axial clamping feeder.
Preferably, the elastic clamping radial device comprises: the first radial torsion type abutting piece and the first radial torsion type abutting piece are arranged at the bottom of the placing table in parallel at equal intervals, and the abutting part of the first radial torsion type abutting piece penetrates through the working surface of the placing table to be in sliding fit with the working surface of the placing table.
Preferably, the end locator includes: the transverse and longitudinal displacement pieces are arranged at the bottoms of the two sides of the placing table; the first feeding type plate and the second feeding type plate are arranged at the working end of the transverse and longitudinal displacement part towards the elastic clamping radial device, the first feeding type plate concave top is the same as the vertical surface of the straight section of the placing table, and the second feeding type plate concave top is the same as the vertical surface of the bent section of the placing table.
Preferably, the axial clamping feeder comprises: the first ball screw sliding table and two ends of the steering pull rod are coaxially arranged on two sides of the placing table; the transverse elastic piece is fixedly arranged on one side of the moving part of the first ball screw sliding table; the rotary cylinder and two ends of the steering pull rod are coaxially arranged at the elastic end of the transverse elastic piece; the wide finger cylinder is arranged at the rotary working end of the rotary cylinder towards the elastic clamping radial device; the clamp is arranged on the wide finger cylinder working clamping jaw; the vertical feeder of ball joint sets up perpendicularly in first ball screw slip table one side.
Preferably, the elastic rotary welder comprises: the fixing ring and two ends of the steering pull rod are coaxially arranged on the transverse elastic piece fixing part; the outer gear ring is coaxially and rotatably arranged on the outer ring of the fixed ring; the elastic frame deviates from the axis of the fixed ring and is obliquely arranged at one end of the outer gear ring; the welding port is abutted against the welding part of the steering pull rod and is arranged on the elastic frame; and an output shaft of the servo motor and two ends of the steering pull rod are coaxially arranged on the transverse elastic piece, and a gear meshed with the outer gear ring is coaxially arranged on the output shaft of the servo motor.
Preferably, the ball joint vertical feeder comprises: the second ball screw sliding table is vertically arranged on one side of the axial clamping feeder; the placing frame is fixedly arranged at the top end of the movable part of the second ball screw sliding table; the ball joint-shaped box is internally and vertically provided with a plurality of ball joints which are fixedly arranged at the top end of the placing frame; the lifting motor is arranged at the bottom of the top end of the lifting motor, and an output shaft of the lifting motor vertically penetrates through the second ball screw sliding table and is arranged inside the ball joint-shaped box; the supporting plate is arranged at the bottoms of the ball joints, and the bottom ends of the supporting plate are fixedly connected with the top end of the output shaft of the lifting motor.
Preferably, sliding grooves are formed in two sides of the top end of the placing table at equal intervals, and dovetail grooves are formed in two sides of each sliding groove; the first radial torsion type abutting part comprises: the two ends of the sliding block are provided with dovetail wedges in sliding fit with the dovetail grooves; the output shaft of the single-shaft cylinder is fixedly connected with the bottom end of the sliding block through a right-angle connecting plate; the fixed column is vertically arranged at the top end of the sliding block, and a limiting ring is coaxially arranged at the top end of the fixed column; the semicircular abutting block is coaxially and rotatably arranged on the limit ring; the torsion spring is coaxially sleeved at the top end of the fixed column, two ends of the torsion spring are respectively and fixedly connected with the top end of the semicircular abutting block and the bottom end of the limiting ring, and the plane of the semicircular abutting block is parallel to the vertical surface of the straight section of the steering pull rod in a working state; the second radial torsion type abutting part and the first radial torsion type abutting part are arranged in the other side sliding part of the elastic clamping radial device in the same structure.
Preferably, the plane of the semicircular abutting block is provided with a rubber gasket with a rough abutting surface.
Preferably, the lateral and longitudinal displacement member comprises: the placing plates are arranged at the bottoms of the two sides of the placing table; the working end of the first double-shaft double-rod cylinder is vertically upwards arranged at the bottom end of the placing plate, and the working end of the second double-shaft double-rod cylinder is horizontally arranged at the working end of the first double-shaft double-rod cylinder; the balance guide rail, the vertical setting of balance guide rail guide part is on the mounting plate, balance guide rail sliding part and second double shaft double rod cylinder one side fixed connection, first feeding type board and second feeding type board all with second double shaft double rod cylinder working end fixed connection.
Preferably, the lateral elastic member includes: the right-angle frame is arranged at the top end of the moving part of the first ball screw sliding table; the mounting plate is in sliding fit with the right-angle frame side plate through a horizontally arranged pin, and the rotary cylinder is arranged on one side of the mounting plate; and the coaxial sleeve is sleeved on the pin, and two ends of the coaxial sleeve are respectively abutted against the mounting plate and the right-angle frame side plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the device positions the steering pull rod through the end positioner, specifically, the steering pull rod is horizontally placed at the top end of the placing table, the first double-shaft double-rod cylinder and the second double-shaft double-rod cylinder are started, so that the first feeding plate and the second feeding plate are axially lifted and translated along the two ends of the steering pull rod, the two ends of the steering pull rod are respectively guided by the inclined planes of the first feeding plate and the second feeding plate, the straight section of the steering pull rod is superposed with the vertical projection of the central line of the placing table, and the two ends of the steering pull rod are positioned, loaded and welded;
2. the device can synchronously clamp a straight section and a bent section of a steering pull rod through the elastic clamping radial device, specifically, the single-shaft cylinder and the second radial torsion type abutting part driving part are started, so that the sliding block and the second radial torsion type abutting part sliding part slide on the sliding groove, the semi-circle abutting block and the second radial torsion type abutting part abut against the outer circumferential surface of the steering pull rod, and at the bent part of the steering pull rod, the semi-circle abutting block abuts against the outer circumferential surface of the bent part under the action of torsion of a torsion spring, and the rubber gasket can prevent the steering pull rod from rotating under the action of external force at the top end of a placing table, so that the steering pull rod is fixed at the top end of the placing table;
3. the device respectively carries out feeding, loading and welding through a vertical feeder of the ball joint, an axial clamping feeder and an elastic rotary welder, specifically, a second ball screw sliding table is started to enable a ball joint box to move to the front end of a clamping part of the wide finger cylinder, a lifting motor is started to enable an output shaft of the lifting motor to extend out to enable a supporting plate to lift a ball joint group, so that a ball joint at the top end is higher than the top end of the ball joint box, and the wide finger cylinder can be conveniently clamped; starting the first ball screw sliding table to enable the wide finger cylinder to move to the outer edge of the ball joint, starting the wide finger cylinder to clamp the outer circumferential surface of the ball joint, driving the working end of the vertical feeder of the ball joint to reset, starting the first ball screw sliding table again to enable the wide finger cylinder to move axially along the two ends of the steering pull rod in a ball joint clamping state, enabling the ball joint to be elastically inserted at the two ends of the steering pull rod through a transverse elastic piece, starting the rotary cylinder to enable the ball joint to rotate relative to the steering pull rod, and enabling the working end of the welding joint to abut against the outer edge of the welding joint; and starting the servo motor, so that the output shaft of the welding head drives the outer gear ring to rotate on the fixing ring through the gear, and the welding head rotates by taking the axes at the two ends of the steering pull rod as an axis, so that the welding head is started to weld the welding seam in a surrounding manner.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the standing board of the present invention;
FIG. 3 is a top view of the standing board of the present invention;
FIG. 4 is a partial perspective view of the end locator of the present invention;
FIG. 5 is a perspective view of a first radial torsion abutment member of the present invention;
FIG. 6 is a perspective view of the axial clamping feeder of the present invention;
FIG. 7 is a perspective view of a transverse spring and a resilient rotary welder of the present invention;
FIG. 8 is a perspective view of the ball joint vertical feeder of the present invention;
FIG. 9 is a side view of the ball joint vertical feeder of the present invention;
fig. 10 is a sectional view at section C-C of fig. 9.
Description of reference numerals:
a-a steering tie rod;
a B-ball joint;
1-placing a table; 1 a-a sliding groove; 1a 1-dovetail groove;
2-elastic clamping of the radial device; 2 a-a first radial twist abutment; 2a1 — slider; 2a 2-dovetail wedge; 2a 3-single shaft cylinder; 2a 4-right angle web; 2a 5-fixed posts; 2a 6-stop collar; 2a 7-semicircular abutment block; 2a 8-torsion spring; 2a 9-rubber gasket; 2 b-a second radial twist abutment;
3-an end locator; 3 a-a transverse and longitudinal displacement member; 3a 1-setting plate; 3a 2-first double-shaft double-rod cylinder; 3a 3-second double-shaft double-rod cylinder; 3a 4-balance rail; 3 b-a first feeding plate; 3 c-a second feeding plate;
4-axially clamping the feeder; 4 a-a first ball screw sliding table; 4 b-a transverse elastic member; 4b 1-right angle stand; 4b 2-mounting plate; 4b 3-pin; 4b 4-spring; 4 c-a rotary cylinder; 4 d-wide finger cylinder; 4 e-a clamp;
5-elastic rotary welding device; 5 a-a retainer ring; 5 b-an outer gear ring; 5 c-an elastic frame; 5 d-welding head; 5 e-a servo motor; 5 f-gear;
6-ball joint vertical feeder; 6 a-a second ball screw sliding table; 6 b-placing the rack; 6 c-ball joint shaped box; 6 d-a lifting motor; 6 e-pallet.
Detailed Description
The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1, an automatic welding device for an automobile steering tie rod assembly is applied to coaxially welding a ball joint B at two ends of a steering tie rod A, and comprises:
the length of the placing table 1 is smaller than the distance between two ends of the steering pull rod A;
the elastic clamping radial devices 2 are arranged on the working surface of the placing table 1 at equal intervals, and in a working state, the abutting parts of the elastic clamping radial devices 2 abut against the outer circumferential surface of the steering pull rod A along the moving direction of one end of the elastic clamping radial devices;
the end part positioning devices 3 are arranged at the bottoms of the two ends of the placing table 1, and in a working state, the working ends of the end part positioning devices 3 abut against the two ends of the steering pull rod A to enable the end part positioning devices to be positioned at the center of the placing table 1;
the material loading device 4 is axially clamped, and the working end and the two ends of the steering pull rod A are coaxially arranged at the two sides of the elastic clamping radial device 2;
the elastic rotary welder 5 is arranged at the working end of the axial clamping feeder 4, and the welding working end of the elastic rotary welder inclines towards the two ends of the steering pull rod A and coaxially rotates;
and the ball joint vertical feeder 6 is vertically arranged on one side of the axial clamping feeder 4.
The steering pull rod A is provided with a straight section and a bent section, when the steering pull rod A is placed on the placing table 1, the steering pull rod A is flush with the horizontal plane of the placing table 1 and needs to be positioned and then fixedly clamped, so that two ends of the steering pull rod A extend out of two sides of the placing table 1, and loading and welding are facilitated;
starting the end positioner 3, so that the working ends of the end positioner position and clamp two ends of a steering pull rod A, the axis of the steering pull rod A is superposed with the vertical projection of the central line of the placing table 1, starting the elastic clamping radial devices 2, so that the working ends of the elastic clamping radial devices 2 are abutted against two sides of the outer circumferential surface of the straight section and the bent section of the steering pull rod A, so that the steering pull rod A is fixed on the placing table 1, and the two ends of the steering pull rod A extend out of two sides of the placing table 1, so that the loading and welding are facilitated;
resetting the working end of the end positioner 3, avoiding affecting the axial feeding of the working end of the elastic rotary welder 5 along the two ends of the steering rod A, starting the vertical feeder 6 of the ball joint, moving the working end of the vertical feeder 6 of the ball joint to the clamping part of the elastic rotary welder 5, so that the clamping part of the elastic rotary welder 5 clamps the ball joint B, then resetting the working end of the vertical feeder 6 of the ball joint, driving the clamping part of the elastic rotary welder 5 to move axially along the two ends of the steering rod A, so that the ball joint B is inserted into the two ends of the steering rod A, wherein the welding part of the vertical feeder 6 of the ball joint is coaxially arranged outside the clamping part of the elastic rotary welder 5, the welding working end of the vertical feeder is abutted against the outer edge of the connecting seam, when the ball joint B is abutted against the two ends of the steering rod A, the vertical feeder 6 of the ball joint is started, so that the welding part rotates relatively to, thereby make the vertical feeder 6 welding part of ball joint along tie rod A both ends axis rotation, thereby accomplish ball joint B and tie rod A joint seam welding is automatic, thereby realize automatic weld operation.
As shown in fig. 2, the elastic clamping radial device 2 comprises: the first radial torsion type abutting pieces 2a and the first radial torsion type abutting pieces 2a are arranged at the bottom of the placing table 1 in parallel at equal intervals, and abutting portions of the torsion type abutting pieces penetrate through a working face of the placing table 1 to be in sliding fit with the working face.
To place platform 1 and place on end locator 3 and after the location via end locator 3, start first radial formula butt piece 2a of turning round and second radial formula butt piece 2b of turning round, can make its butt portion along tie a radial displacement, thereby make butt portion butt on tie a straight section and bend segment outer circumference, thereby make tie a can not place platform 1 relatively and receive external force influence and move, thereby be convenient for material loading and welding.
As shown in fig. 2, the end locator 3 includes: the transverse and longitudinal displacement pieces 3a are arranged at the bottoms of the two sides of the placing table 1; first feeding type plate 3b and second feeding type plate 3c, feeding type plate concave part and setting up in the violently indulge displacement piece 3a work end towards elasticity centre gripping radial device 2, first feeding type plate 3b concave top with place the same vertical face of 1 straight sections of platform, second feeding type plate 3c concave top with place the same vertical face of 1 bending segment of platform.
The steering pull rod A is placed at the top end of the placing table 1, the steering pull rod A is inevitably deviated from the feeding and welding positions of the steering pull rod A, and the transverse and longitudinal displacement pieces 3a on the two sides of the placing table 1 are started, so that the first feeding plate 3b and the second feeding plate 3c are lifted and then axially move along the straight section of the steering pull rod A, the concave top of the first feeding plate 3b and the straight section of the placing table 1 are in the same vertical plane, the concave top of the second feeding plate 3c and the curved section of the placing table 1 are in the same vertical plane, and therefore the two ends of the steering pull rod A are respectively guided by the inclined planes of the feeding plates, and therefore the steering pull rod A is positioned and abutted.
As shown in fig. 6, the axial clamping loader 4 comprises: the first ball screw sliding table 4a and two ends of the steering pull rod A are coaxially arranged at two sides of the placing table 1; a transverse elastic piece 4b fixedly arranged on one side of the moving part of the first ball screw sliding table 4 a; the rotary cylinder 4c and the two ends of the steering pull rod A are coaxially arranged at the elastic end of the transverse elastic piece 4 b; the wide finger cylinder 4d is arranged at the rotary working end of the rotary cylinder 4c towards the elastic clamping radial device 2; the clamp 4e is arranged on the working clamping jaw of the wide finger cylinder 4 d; the vertical ball joint feeder 6 is vertically arranged on one side of the first ball screw sliding table 4 a.
Start first ball screw slip table 4a for broad finger cylinder 4d clamping jaw portion moves to the outer edge of 6 pay-off ends of the vertical feeder of ball joint, start broad finger cylinder 4d and make its clamping jaw portion carry ball joint B through anchor clamps 4e, order about the vertical feeder of ball joint 6 pay-off portions and reset, start first ball screw slip table 4a again and make ball joint B follow turn-around draw bar A both ends axial displacement under clamping status, thereby make ball joint B peg graft at turn-around draw bar A both ends through horizontal elastic component 4B elasticity, and revolving cylinder 4c is used for making ball joint B rotatory relatively turn-around draw bar A, thereby be convenient for adjust required welding requirement.
As shown in fig. 7, the elastic rotary welder 5 includes: the fixing ring 5a is coaxially arranged at the fixing part of the transverse elastic piece 4b with the two ends of the steering pull rod A; the outer gear ring 5b is coaxially and rotatably arranged on the outer ring of the fixed ring 5 a; the elastic frame 5c is obliquely arranged at one end of the outer gear ring 5b deviating from the axis of the fixed ring 5 a; a welding head 5d, the welding port is abutted against the welding part of the steering pull rod A and is arranged on the elastic frame 5 c; and an output shaft of the servo motor 5e and two ends of the steering pull rod A are coaxially arranged on the transverse elastic piece 4b, and a gear 5f meshed with the outer gear ring 5b is coaxially arranged on the output shaft of the servo motor 5 e.
When ball joint B is coaxially inserted at two ends of steering rod A, welding head 5d overcomes limitation of the working end of feeder 4 in axial clamping through elastic frame 5c, and accordingly abuts against the outer edge of the welding seam of steering rod A, servo motor 5e is started, the output shaft of the servo motor drives outer gear ring 5B to rotate on the outer ring of fixing ring 5a through gear 5f, accordingly, welding head 5d rotates along the axis of two ends of steering rod A, and welding head 5d is started to weld ball joint B at two ends of steering rod A.
As shown in fig. 8, 9 and 10, the ball joint vertical feeder 6 comprises: the second ball screw sliding table 6a is vertically arranged on one side of the axial clamping feeder 4; the placing frame 6b is fixedly arranged at the top end of the movable part of the second ball screw sliding table 6 a; the ball joint-shaped box 6c is internally and vertically provided with a plurality of ball joints B which are fixedly arranged at the top end of the placing frame 6B; the lifting motor 6d is arranged at the bottom of the top end of the lifting motor 6d, and an output shaft of the lifting motor vertically penetrates through the second ball screw sliding table 6a and is arranged inside the ball joint-shaped box 6 c; and the supporting plate 6e is arranged at the bottoms of the ball joints B and the bottom end of the supporting plate is fixedly connected with the top end of an output shaft of the lifting motor 6 d.
When 4 work ends of glassware need centre gripping ball joint B in the axial centre gripping, start second ball screw slip table 6a, make its work end drive rack 6B remove 4 centre gripping end one side bottoms of glassware in the axial centre gripping, start elevator motor 6d and make its output shaft rise, thereby through the inside ball joint B of layer board 6e support ball joint box 6c, make ball joint B along axial vertical movement to between the 4 centre gripping of glassware in the axial centre gripping, thereby be convenient for glassware 4 carries out the centre gripping to top ball joint B in the axial centre gripping, order about again second ball screw slip table 6a and reset, thereby prevent to influence glassware 4 normal material loading in the axial centre gripping.
As shown in fig. 2 and 5, sliding grooves 1a are arranged at equal intervals on both sides of the top end of the placing table 1, and dovetail grooves 1a1 are arranged on both sides of the sliding grooves 1 a; the first radial torsion abutment 2a comprises: the slide block 2a1 is provided with a dovetail wedge 2a2 which is in sliding fit with the dovetail groove 1a1 at two ends; the output shaft of the single-shaft cylinder 2a3 is fixedly connected with the bottom end of the sliding block 2a1 through a right-angle connecting plate 2a 4; the fixed column 2a5 is vertically arranged at the top end of the sliding block 2a1, and the top end of the fixed column 2a5 is coaxially provided with a limit ring 2a 6; the semicircular abutting block 2a7 is coaxially and rotatably arranged on the limiting ring 2a 6; the torsion spring 2a8 is coaxially sleeved at the top end of the fixed column 2a5, two ends of the torsion spring are fixedly connected with the top end of the semicircular abutting block 2a7 and the bottom end of the limiting ring 2a6 respectively, and in a working state, the plane of the semicircular abutting block 2a7 is parallel to the vertical plane of the straight section of the steering pull rod A; the second radial torsion type abutting piece 2b and the first radial torsion type abutting piece 2a are arranged in the other side sliding part of the elastic clamping radial device 2 in the same structure.
After the placing table 1 is placed on the end positioner 3 and positioned by the end positioner 3, the single-shaft cylinder 2a3 and the driving part of the second radial torsion type abutting piece 2b are started, so that the sliding block 2a1 and the sliding part of the second radial torsion type abutting piece 2b slide on the sliding groove 1a, the dovetail wedge 2a2 is slidably arranged on the dovetail groove 1a1 for preventing the sliding block 2a1 from being separated from the sliding groove 1a, so that the semi-circular abutting block 2a7 and the abutting part of the second radial torsion type abutting piece 2b abut against the outer circumferential surface of the steering rod a, and at the bending part of the steering rod a, the semi-circular abutting block 2a7 abuts against the outer circumferential surface of the bending part under the action of the torsion force of the torsion spring 2a8, and the rubber gasket 2a9 can prevent the steering rod a from rotating under the external force at the top end of the placing table 1, so that the steering rod a is fixed at the top end of the placing table 1; the right-angle connecting plate 2a4 is used for fixedly connecting the output shaft of the single-shaft cylinder 2a3 and the sliding block 2a1, the fixed column 2a5 is used for rotatably arranging the semicircular abutting block 2a7, and the limiting ring 2a6 is used for preventing the torsion spring 2a8 from being separated from the fixed column 2a 5.
As shown in fig. 5, the semicircular abutment block 2a7 is provided with a rubber pad 2a9 having a rough abutment surface on a flat surface.
The rubber washer 2a9 is used to make the semicircular abutment block 2a7 abut against the outer circumferential surface of the tie rod a, the rubber washer 2a9 can prevent scratching of the tie rod a and can increase the frictional force.
As shown in fig. 4, the lateral and longitudinal displacement member 3a includes: the placing plates 3a1 are arranged at the bottoms of the two sides of the placing table 1; the working end of the first double-shaft double-rod cylinder 3a2 is vertically upwards arranged at the bottom end of the placing plate 3a1, and the working end of the second double-shaft double-rod cylinder 3a3 is horizontally arranged at the working end of the first double-shaft double- rod cylinder 3a 2; the balance guide rail 3a4, the guide part of the balance guide rail 3a4 is vertically arranged on the setting plate 3a1, the sliding part of the balance guide rail 3a4 is fixedly connected with one side of the second double-shaft double-rod cylinder 3a3, and the first feeding plate 3b and the second feeding plate 3c are both fixedly connected with the working end of the second double-shaft double-rod cylinder 3a 3.
The mounting plate 3a1 is used for fixedly mounting a first double-shaft double-rod cylinder 3a2 and a second double-shaft double-rod cylinder 3a3, the first double-shaft double-rod cylinder 3a2 is started to enable the first feeding plate 3b and the second feeding plate 3c to vertically lift, the balance guide rail 3a4 is used for enabling the second double-shaft double-rod cylinder 3a3 to be more stable in structure during vertical lifting, and the second double-shaft double-rod cylinder 3a3 is started to enable concave portions of the first feeding plate 3b and the second feeding plate 3c to abut against two ends of the steering pull rod A, so that positioning is facilitated.
As shown in fig. 7, the lateral elastic member 4b includes: the right-angle frame 4b1 is arranged at the top end of the moving part of the first ball screw sliding table 4 a; the mounting plate 4b2, the mounting plate 4b2 is in sliding fit with the side plate of the right-angle frame 4b1 through a horizontally arranged pin 4b3, and the rotary cylinder 4c is arranged on one side of the mounting plate 4b 2; 4d4, coaxially sleeved on the pin 4b3, and two ends of the pin are respectively abutted on the mounting plate 4b2 and the side plate of the right- angle stand 4b 1.
When the ball joints B abut against the two ends of the steering tie rod A, the mounting plate 4B2 overcomes the elasticity of the spring 4B4 and slides on the right-angle bracket 4B1 through the spring 4a3, so that the steering tie rod A is prevented from axially moving due to the fact that the two ends of the steering tie rod A abut against each other in the axial direction, and the ball joints B are convenient to insert and weld.
The working principle of the invention is as follows:
the device realizes the functions of the invention through the following steps, thereby solving the technical problems provided by the invention:
the method comprises the following steps: horizontally placing a steering pull rod A at the top end of a placing table 1, starting a first double-shaft double-rod cylinder 3a2 and a second double-shaft double-rod cylinder 3a3, and enabling a first feeding plate 3b and a second feeding plate 3c to axially lift and translate along two ends of the steering pull rod A, so that two ends of the steering pull rod A respectively pass through the inclined surfaces of the first feeding plate 3b and the second feeding plate 3c, and a straight section of the steering pull rod A is overlapped with the vertical projection of the central line of the placing table 1, thereby facilitating the positioning, feeding and welding of two ends of the steering pull rod A;
step two: starting the single-shaft cylinder 2a3 and the second radial torsion type abutting piece 2b driving part, so that the sliding block 2a1 and the sliding part of the second radial torsion type abutting piece 2b slide on the sliding groove 1a again, and the semi-circular abutting piece 2a7 and the abutting part of the second radial torsion type abutting piece 2b abut against the outer circumferential surface of the steering pull rod A and at the bent part of the steering pull rod A, the semi-circular abutting piece 2a7 abuts against the outer circumferential surface of the bent part under the action of overcoming the torsion force of the torsion spring 2a8, and the rubber gasket 2a9 can prevent the steering pull rod A from rotating at the top end of the placing table 1 under the action of external force, so that the steering pull rod A is fixed at the top end of the placing table 1;
step three: starting a second ball screw sliding table 6a to enable the ball joint shaped box 6c to move to the front end of the clamping part of the wide finger cylinder 4d, starting a lifting motor 6d to enable an output shaft of the lifting motor to extend out to enable a supporting plate 6e to lift a ball joint B group to ascend, so that a top end ball joint B is higher than the top end of the ball joint shaped box 6c, and clamping of the wide finger cylinder 4d is facilitated;
step four: starting a first ball screw sliding table 4a to enable a wide finger cylinder 4d to move to the outer edge of a ball joint B, starting the wide finger cylinder 4d to clamp the outer circumferential surface of the ball joint B to drive the working end of a ball joint vertical feeder 6 to reset, starting the first ball screw sliding table 4a again to enable the wide finger cylinder 4d to move axially along the two ends of a steering pull rod A in a state of clamping the ball joint B, enabling the ball joint B to be elastically inserted into the two ends of the steering pull rod A through a transverse elastic piece 4B, starting a rotary cylinder 4c to enable the ball joint B to rotate relative to the steering pull rod A, and enabling the working end of a welding joint 5d to abut against the outer edge of a welding seam at the moment;
step five: starting the servo motor 5e, so that an output shaft of the welding head 5d drives the outer gear ring 5b to rotate on the fixed ring 5a through the gear 5f, and the welding head 5d rotates by taking the axes of the two ends of the steering pull rod A as an axis, so that the welding head 5d is started to weld a welding seam in a surrounding manner;
step six: after the welding is finished, the wide finger cylinder 4d is driven to loosen the ball joint B, so that the working end of the first ball screw sliding table 4a is reset, and the automatic welding of the steering pull rod A and the ball joint B is finished.
The foregoing has described the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an automobile steering pull rod assembly automatic weld equipment, is applied to ball joint (B) coaxial welding at steering pull rod (A) both ends, its characterized in that, including:
the length of the placing table (1) is less than the distance between two ends of the steering pull rod (A);
the elastic clamping radial devices (2) are arranged on the working surface of the placing table (1) at equal intervals, and in a working state, the abutting parts of the elastic clamping radial devices (2) abut against the outer circumferential surface of the steering pull rod (A) along the moving direction of one end of the elastic clamping radial devices;
the end part positioning devices (3) are arranged at the bottoms of the two ends of the placing table (1), and in a working state, the working ends of the end part positioning devices (3) are abutted against the two ends of the steering pull rod (A) so as to enable the end part positioning devices to be positioned at the central position of the placing table (1);
the working end and the two ends of the steering pull rod (A) are coaxially arranged at the two sides of the elastic clamping radial device (2);
the elastic rotary welder (5) is arranged at the working end of the axial clamping feeder (4) in a manner that the welding working end inclines towards the two ends of the steering pull rod (A) and coaxially rotates;
and the ball joint vertical feeder (6) is vertically arranged on one side of the axial clamping feeder (4).
2. The automatic welding equipment of an automobile steering tie rod assembly according to claim 1, characterized in that the elastic clamping radial device (2) comprises: the clamping device comprises a first radial torsion type abutting piece (2 a) and a first radial torsion type abutting piece (2 a), wherein the torsion type abutting pieces are arranged at the bottom of the placing table (1) in parallel at equal intervals, and abutting portions of the torsion type abutting pieces penetrate through a working face of the placing table (1) to be in sliding fit with the working face of the placing table.
3. The automatic welding equipment of an automobile steering linkage assembly according to claim 1, characterized in that the end positioner (3) comprises: the transverse and longitudinal displacement pieces (3 a) are arranged at the bottoms of the two sides of the placing table (1); first feeding type plate (3 b) and second feeding type plate (3 c), feeding type plate concave part and setting up in violently indulging displacement piece (3 a) work end towards elasticity centre gripping radial device (2), first feeding type plate (3 b) concave top with place the same vertical face of platform (1) straight section, second feeding type plate (3 c) concave top with place the same vertical face of platform (1) bending section.
4. The automatic welding equipment of automobile steering linkage assembly according to claim 1, characterized in that the axial clamping loader (4) comprises: the first ball screw sliding table (4 a) and two ends of the steering pull rod (A) are coaxially arranged at two sides of the placing table (1); the transverse elastic piece (4 b) is fixedly arranged on one side of the moving part of the first ball screw sliding table (4 a); the rotary cylinder (4 c) and the two ends of the steering pull rod (A) are coaxially arranged at the elastic end of the transverse elastic piece (4 b); the wide finger cylinder (4 d) is arranged at the rotary working end of the rotary cylinder (4 c) towards the elastic clamping radial device (2); the clamp (4 e) is arranged on the working clamping jaw of the wide finger cylinder (4 d); the vertical ball joint feeder (6) is vertically arranged on one side of the first ball screw sliding table (4 a).
5. The automatic welding equipment of automobile steering linkage assembly according to claim 1, characterized in that the elastic rotary welder (5) comprises: the fixing ring (5 a) and two ends of the steering pull rod (A) are coaxially arranged on the fixing part of the transverse elastic piece (4 b); the outer gear ring (5 b) is coaxially and rotatably arranged on the outer ring of the fixed ring (5 a); the elastic frame (5 c) is obliquely arranged at one end of the outer gear ring (5 b) deviating from the axis of the fixed ring (5 a); a welding head (5 d) provided on the elastic frame (5 c) with a welding port abutting against the welding portion of the steering tie rod (A); and an output shaft of the servo motor (5 e) and two ends of the steering pull rod (A) are coaxially arranged on the transverse elastic piece (4 b), and a gear (5 f) meshed with the outer gear ring (5 b) is coaxially arranged on the output shaft of the servo motor (5 e).
6. The automatic welding equipment of automobile steering linkage assembly according to claim 1, characterized in that the ball joint vertical feeder (6) comprises: the second ball screw sliding table (6 a) is vertically arranged on one side of the axial clamping feeder (4); the placing frame (6 b) is fixedly arranged at the top end of the movable part of the second ball screw sliding table (6 a); the ball joint-shaped box (6 c) is internally and vertically provided with a plurality of ball joints (B) which are fixedly arranged at the top end of the placing rack (6B); the lifting motor (6 d) is arranged at the bottom of the top end of the lifting motor (6 d), and an output shaft of the lifting motor vertically penetrates through the second ball screw sliding table (6 a) and is arranged inside the ball joint-shaped box (6 c); and the supporting plate (6 e) is arranged at the bottoms of the ball joints (B) and the bottom end of the supporting plate is fixedly connected with the top end of an output shaft of the lifting motor (6 d).
7. The automatic welding equipment for the automobile steering linkage assembly according to claim 2 is characterized in that sliding grooves (1 a) are formed in two sides of the top end of a placing table (1) at equal intervals, and dovetail grooves (1 a 1) are formed in two sides of each sliding groove (1 a); the first radial torsion abutment (2 a) comprises: the sliding block (2 a 1) is provided with a dovetail wedge (2 a 2) which is in sliding fit with the dovetail groove (1 a 1) at two ends; the single-shaft cylinder (2 a 3), the output shaft is fixedly connected with the bottom end of the sliding block (2 a 1) through a right-angle connecting plate (2 a 4); the fixed column (2 a 5) is vertically arranged at the top end of the sliding block (2 a 1), and the top end of the fixed column (2 a 5) is coaxially provided with a limiting ring (2 a 6); the semicircular abutting block (2 a 7) is coaxially and rotatably arranged on the limiting ring (2 a 6); the torsion spring (2 a 8) is coaxially sleeved at the top end of the fixed column (2 a 5), two ends of the torsion spring are respectively and fixedly connected with the top end of the semicircular abutting block (2 a 7) and the bottom end of the limiting ring (2 a 6), and in a working state, the plane of the semicircular abutting block (2 a 7) is parallel to the vertical surface of the straight section of the steering pull rod (A); the second radial torsion type abutting piece (2 b) and the first radial torsion type abutting piece (2 a) are arranged in the other side sliding part of the elastic clamping radial device (2) in the same structure.
8. The automatic welding equipment of automobile steering linkage assembly according to claim 2, characterized in that the plane of the semicircular abutting block (2 a 7) is provided with a rubber gasket (2 a 9) with rough abutting surface.
9. The automatic welding equipment of automobile steering linkage assembly according to claim 3, characterized in that the transverse and longitudinal displacement member (3 a) comprises: the placing plates (3 a 1) are arranged at the bottoms of the two sides of the placing table (1); the device comprises a first double-shaft double-rod cylinder (3 a 2) and a second double-shaft double-rod cylinder (3 a 3), wherein the working end of the first double-shaft double-rod cylinder (3 a 2) is vertically arranged at the bottom end of a placing plate (3 a 1) upwards, and the working end of the second double-shaft double-rod cylinder (3 a 3) is horizontally arranged at the working end of the first double-shaft double-rod cylinder (3 a 2); the balance guide rail (3 a 4), the vertical setting of balanced guide rail (3 a 4) guide part is on mounting plate (3 a 1), balanced guide rail (3 a 4) sliding part and second double shaft double rod cylinder (3 a 3) one side fixed connection, first feeding board (3 b) and second feeding board (3 c) all with second double shaft double rod cylinder (3 a 3) working end fixed connection.
10. The automatic welding equipment of an automobile steering linkage assembly according to claim 4, characterized in that the transverse elastic member (4 b) comprises: the right-angle frame (4 b 1) is arranged at the top end of the moving part of the first ball screw sliding table (4 a); the mounting plate (4 b 2), the mounting plate (4 b 2) is in sliding fit with a side plate of the right-angle stand (4 b 1) through a horizontally arranged pin (4 b 3), and the rotary cylinder (4 c) is arranged on one side of the mounting plate (4 b 2); 4d4, coaxially sleeved on the pin (4 b 3) and respectively abutted against the mounting plate (4 b 2) and the side plate of the right-angle stand (4 b 1) at two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010665735.1A CN111730232A (en) | 2020-07-11 | 2020-07-11 | Automatic welding equipment for automobile steering pull rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010665735.1A CN111730232A (en) | 2020-07-11 | 2020-07-11 | Automatic welding equipment for automobile steering pull rod assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111730232A true CN111730232A (en) | 2020-10-02 |
Family
ID=72654375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010665735.1A Withdrawn CN111730232A (en) | 2020-07-11 | 2020-07-11 | Automatic welding equipment for automobile steering pull rod assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111730232A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113327760A (en) * | 2021-06-01 | 2021-08-31 | 安徽省和翰光电科技股份有限公司 | Automatic rubber coating machine for transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004039529A1 (en) * | 2002-10-24 | 2004-05-13 | ZF Lemförder Metallwaren AG | Method for producing a steering tie-rod housing |
| US20130062396A1 (en) * | 2011-09-13 | 2013-03-14 | Imt Partnership | Method of friction welding axles in finished form |
| CN204913175U (en) * | 2015-07-16 | 2015-12-30 | 福建汪洋自动化设备有限公司 | Rotatory welding mechanism in car steering linkage double -end automatic weld machine |
| CN109014722A (en) * | 2018-08-23 | 2018-12-18 | 佘娟 | A kind of automatic fixing tool of car steering tube column welding |
| CN109514077A (en) * | 2018-12-06 | 2019-03-26 | 张宜民 | A kind of laser-beam welding machine for each specification steering linkage of car |
| CN209157530U (en) * | 2018-12-20 | 2019-07-26 | 江西荣成机械制造有限公司 | A kind of automobile steering linkage assembly weld fixture apparatus |
-
2020
- 2020-07-11 CN CN202010665735.1A patent/CN111730232A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004039529A1 (en) * | 2002-10-24 | 2004-05-13 | ZF Lemförder Metallwaren AG | Method for producing a steering tie-rod housing |
| US20130062396A1 (en) * | 2011-09-13 | 2013-03-14 | Imt Partnership | Method of friction welding axles in finished form |
| CN204913175U (en) * | 2015-07-16 | 2015-12-30 | 福建汪洋自动化设备有限公司 | Rotatory welding mechanism in car steering linkage double -end automatic weld machine |
| CN109014722A (en) * | 2018-08-23 | 2018-12-18 | 佘娟 | A kind of automatic fixing tool of car steering tube column welding |
| CN109514077A (en) * | 2018-12-06 | 2019-03-26 | 张宜民 | A kind of laser-beam welding machine for each specification steering linkage of car |
| CN209157530U (en) * | 2018-12-20 | 2019-07-26 | 江西荣成机械制造有限公司 | A kind of automobile steering linkage assembly weld fixture apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113327760A (en) * | 2021-06-01 | 2021-08-31 | 安徽省和翰光电科技股份有限公司 | Automatic rubber coating machine for transformer |
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Application publication date: 20201002 |