CN108655614B - Automatic spot welding device for assembly line - Google Patents
Automatic spot welding device for assembly line Download PDFInfo
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- CN108655614B CN108655614B CN201810468613.6A CN201810468613A CN108655614B CN 108655614 B CN108655614 B CN 108655614B CN 201810468613 A CN201810468613 A CN 201810468613A CN 108655614 B CN108655614 B CN 108655614B
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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
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Abstract
The invention discloses an automatic spot welding device for a production line, wherein a servo motor is arranged on the left side of the lower part of a device body, the upper part of the servo motor is rotatably connected with an output shaft, and the upper part of the output shaft penetrates through the upper end of the device body and is rotatably connected with a bearing of the device body; the middle part of the output shaft is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with a driven shaft, the two sides of the driven shaft are respectively sleeved on the lower part of a suspender, and the upper end of the suspender is fixedly connected with the upper part of the device body. The device drives the eccentric wheel through the pivoted driven shaft and rotates, realizes the reciprocal up-and-down motion of worker's shape piece under reset spring and eccentric wheel's combined action, and pivoted output shaft utilizes the hold-in range to drive the fixed axle and rotates and then drive step axle synchronous rotation simultaneously, and pivoted step axle drives the lead screw and rotates and then the drive lantern ring constantly moves down along the spout, realizes that reciprocal up-and-down motion spot welding on one side of welding rod moves down the propelling movement welding rod relatively, guarantees that the welding rod homoenergetic at every turn effectively touches the work piece in spot welding process.
Description
Technical Field
The invention relates to industrial automation equipment, in particular to an automatic spot welding device for a production line.
Background
Industrial automation is a general term for information processing and process control of machine equipment or production processes to achieve measurement, manipulation, etc. according to desired objectives without direct manual intervention. Automation technology is a method and technology for exploring and researching the automation process. It is a comprehensive technology in the fields of machinery, microelectronics, computer and other technology. Meanwhile, automation technology has promoted industrial progress, is widely applied to the fields of machine manufacturing, electric power, construction, transportation, information technology and the like nowadays, and becomes a main means for improving labor productivity.
The application of automation equipment is very extensive, often need carry out spot welding on the machine-building processing assembly line and handle, and present spot welding automation equipment utilizes manipulator and PLC and singlechip technique to combine together to realize the automation function mostly, and the cost is expensive, and electronic components fragile, and cost of maintenance is high.
Disclosure of Invention
The invention aims to provide an automatic spot welding device for a production line, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic spot welding device for an assembly line comprises a device body, a servo motor, an output shaft, a driven shaft, an eccentric wheel, an I-shaped block, a telescopic rod, a reset spring and a cross rod, wherein the servo motor is arranged on the left side of the lower portion of the device body, the upper portion of the servo motor is rotatably connected with the output shaft, and the upper portion of the output shaft penetrates through the upper end of the device body and is rotatably connected with a bearing of the device body; the middle part of the output shaft is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with a driven shaft, the two sides of the driven shaft are respectively sleeved on the lower parts of the suspenders, and the upper ends of the suspenders are fixedly connected with the upper part of the device body; the right end of the driven shaft is fixedly connected with an eccentric wheel, the lower part of the eccentric wheel is attached with a rotating wheel, the rotating wheel is rotatably connected with an I-shaped block, telescopic rods are symmetrically arranged on two sides of the lower end of the I-shaped block, the upper end of each telescopic rod is fixedly connected with the lower end of the I-shaped block, the lower part of each telescopic rod is sleeved on the upper part of a sleeve, the lower end of each sleeve is fixedly connected with the bottom of the device body; the upper end of the right side of the device body is rotatably connected with a fixed shaft through a bearing, the fixed shaft is connected with the upper end of an output shaft through a synchronous belt, a step shaft is sleeved at the lower part of the fixed shaft, and the step shaft penetrates through the upper end of the I-shaped block and is rotatably connected with the bearing; the lower end of the step shaft is fixedly connected with the upper end of the screw rod, the lower end bearing of the screw rod is rotatably connected with the I-shaped block, the outer surface of the screw rod is in threaded connection with the lantern ring, one side of the lantern ring is fixedly connected with the cross rod, the other side of the lantern ring is in sliding connection with the sliding groove, and the sliding groove is fixedly connected with the I-.
As a further scheme of the invention: the right end of the cross rod is rotatably connected with the clamping claw.
As a still further scheme of the invention: the outer surface of the step shaft is circumferentially provided with a plurality of convex strips, the inner surface of the fixed shaft is circumferentially provided with an equal number of concave strips, and the convex strips on the outer surface of the step shaft are embedded in the concave strips on the inner surface of the fixed shaft.
As a still further scheme of the invention: the middle part of the outer side of the clamping claw is rotatably connected with the right end of the connecting rod, and the left end of the connecting rod is rotatably connected with the sliding block.
As a still further scheme of the invention: the slider sliding connection draw-in groove, draw-in groove fixed connection horizontal pole surface is equipped with fastening spring in the draw-in groove, and fastening spring right-hand member butt slider.
As a still further scheme of the invention: the servo motor is fixedly connected with the motor base, and the motor base is fixedly connected with the device body through bolts.
As a still further scheme of the invention: and the servo motor is connected with the power supply and the switch through a lead.
Compared with the prior art, the invention has the beneficial effects that: the device drives the eccentric wheel through the pivoted driven shaft and rotates, realize the reciprocal up-and-down motion of worker's piece under reset spring and eccentric wheel's combined action, pivoted output shaft utilizes the hold-in range to drive the fixed axle and rotates and then drive step axle synchronous rotation simultaneously, pivoted step axle drives the lead screw and rotates and then the drive lantern ring constantly moves down along the spout, realize reciprocating up-and-down motion spot welding on one side of welding rod and move the propelling movement welding rod down relatively on one side, guarantee that spot welding in-process welding rod melts constantly and shorten, the welding rod homoenergetic effectively touches on the work piece at every turn, utilize pure mechanical equipment to realize the automatic spot welding function, the cost is cheap, the fault rate is low.
Drawings
Fig. 1 is a schematic view of the construction of a stitch welding apparatus for a production line.
Fig. 2 is a partially enlarged view of a cross bar and a gripper jaw and a link in the automated spot welding apparatus for a production line.
Fig. 3 is a plan view of a cross bar and a gripper jaw in the automated spot welding apparatus for a production line.
Fig. 4 is a sectional view of a fixing shaft and a step shaft in the automated spot welding apparatus for a production line.
In the figure: 1-the device body; 2-a servo motor; 3-a motor base; 4-an output shaft; 5-a first bevel gear; 6-second bevel gear; 7-a driven shaft; 8-a boom; 9-synchronous belt; 10-eccentric wheel; 11-an i-shaped block; 12-a runner; 13-a telescopic rod; 14-a sleeve; 15-a return spring; 16-a fixed shaft; 17-a step shaft; 18-a cross-bar; 19-a collar; 20-a screw rod; 21-a chute; 22-a gripper jaw; 23-a connecting rod; 24-a slide block; 25-fastening the spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, an automatic spot welding device for a production line includes a device body 1, a servo motor 2, an output shaft 4, a driven shaft 7, an eccentric wheel 10, an i-shaped block 11, an expansion link 13, a return spring 15, and a cross bar 18; the left side of the lower part of the device body 1 is provided with a servo motor 2, the servo motor 2 is fixedly connected with a motor base 3, the motor base 3 is fixedly connected with the device body 1 through bolts, a lead of the servo motor 2 is connected with a power supply and a switch, the upper part of the servo motor 2 is rotatably connected with an output shaft 4, the upper part of the output shaft 4 penetrates through the upper end of the device body 1 and is rotatably connected with a bearing of the device body, the servo motor 2 is electrified to work by pressing the switch in the forward direction to drive the output shaft 4 to rotate in the forward direction; the middle part of the output shaft 4 is fixedly connected with a first bevel gear 5, the first bevel gear 5 is meshed with a second bevel gear 6, the second bevel gear 6 is fixedly connected with a driven shaft 7, the two sides of the driven shaft 7 are respectively sleeved on the lower part of a suspender 8, the upper end of the suspender 8 is fixedly connected with the upper part of the device body 1, and the rotating output shaft 4 drives the first bevel gear 5 to rotate so as to drive the second bevel gear 6 and the driven shaft 7 to rotate; the right end of the driven shaft 7 is fixedly connected with an eccentric wheel 10, the lower portion of the eccentric wheel 10 is attached to a rotating wheel 12, the rotating wheel 12 is rotatably connected with an I-shaped block 11, telescopic rods 13 are symmetrically arranged on two sides of the lower end of the I-shaped block 11, the upper end of each telescopic rod 13 is fixedly connected with the lower end of the I-shaped block 11, the lower portion of each telescopic rod 13 is sleeved with the upper portion of a sleeve 14, the lower end of each sleeve 14 is fixedly connected with the bottom of a device body 1, a reset spring 15 is arranged at the bottom of each sleeve 14, the upper end of each reset spring 15 is abutted to the lower end of each telescopic rod 13, the driven shaft 7 rotates the eccentric wheel 10 to drive the rotating wheel 12 and the I-shaped block 11 to move downwards.
The bearing at the upper end of the right side of the device body 1 is rotatably connected with a fixed shaft 16, the fixed shaft 16 is connected with the upper end of an output shaft 4 through a synchronous belt 9, the lower part of the fixed shaft 16 is sleeved with a step shaft 17, the step shaft 17 penetrates through the upper end of the I-shaped block 11 and is rotatably connected with the bearing, a plurality of convex strips are arranged on the outer surface of the step shaft 17 in the circumferential direction, an equal number of concave strips are arranged on the inner surface of the fixed shaft 16 in the circumferential direction, the convex strips on the outer surface of the step shaft 17 are embedded in the concave strips on the inner surface of the fixed shaft 16, the step shaft 17 can slide up and down along the inner part of the fixed shaft 16 through the matching of the convex strips and the; the lower end of the step shaft 17 is fixedly connected with the upper end of a screw rod 20, a bearing at the lower end of the screw rod 20 is rotatably connected with the I-shaped block 11, the outer surface of the screw rod 20 is in threaded connection with a lantern ring 19, one side of the lantern ring 19 is fixedly connected with a cross rod 18, the other side of the lantern ring 19 is in sliding connection with a sliding groove 21, the sliding groove 21 is fixedly connected with the I-shaped block 11, the rotating step shaft 17 drives the screw rod 20 to rotate so as to drive the lantern ring 19 to continuously move downwards along the sliding groove 21, the I-shaped block 11 reciprocates.
The right end of the cross rod 18 is rotatably connected with the clamping claw 22, the middle part of the outer side of the clamping claw 22 is rotatably connected with the right end of the connecting rod 23, the left end of the connecting rod 23 is rotatably connected with the sliding block 24, the sliding block 24 is slidably connected with the clamping groove, the clamping groove is fixedly connected with the outer surface of the cross rod 18, the fastening spring 25 is arranged in the clamping groove, the right end of the fastening spring 25 is abutted to the sliding block 24, the clamping claw 22 is pulled to rotate and open, the upper end of a welding rod is placed in the middle of the clamping claw 22, the clamping claw 22 is loosened, the fastening spring 25 drives the sliding block 24 to move rightwards to drive the connecting rod 23 to move to drive the clamping claw 22 to clamp the welding rod, when the servo motor 2 works, the output shaft 4 is driven to rotate, the industrial block 11 reciprocates, the lantern ring 19 drives the cross rod 18.
The working principle of the invention is as follows: the servo motor 2 is electrified to work by pressing the switch in the forward direction to drive the output shaft 4 to rotate in the forward direction, the output shaft 4 is rotated in the reverse direction by pressing the switch in the reverse direction, the rotating output shaft 4 drives the first bevel gear 5 to rotate so as to drive the second bevel gear 6 and the driven shaft 7 to rotate, the driven shaft 7 drives the eccentric wheel 10 to rotate so as to drive the rotating wheel 12 and the I-shaped block 11 to move downwards, the I-shaped block 11 moves downwards to drive the telescopic rod 13 to move downwards to compress the reset spring 15, the reciprocating up-and-down motion of the I-shaped block 11 is realized under the combined action of the reset spring 15 and the eccentric wheel 10, the step shaft 17 can slide up and down along the inner part of the fixed shaft 16 and cannot rotate relatively through the matching of the convex strips and the concave strips, the rotating output shaft 4 drives the fixed shaft 16 to rotate by using the synchronous belt, the welding rod welding machine is characterized in that an I-shaped block 11 reciprocates up and down, a lantern ring 19 drives a cross rod 18 to move downwards relative to the I-shaped block 11 continuously, a clamping claw 22 is broken off to rotate and open, the upper end of a welding rod is placed in the middle of the clamping claw 22, the clamping claw 22 is loosened, a fastening spring 25 drives a sliding block 24 to move in right to drive a connecting rod 23 to move to drive the clamping claw 22 to clamp the welding rod, when a servo motor 2 works, an output shaft 4 is driven to rotate, the I-shaped block 11 reciprocates up and down, the lantern ring 19 drives the cross rod 18, the clamping claw 22 and the welding rod to move downwards relative to the I-shaped block 11 continuously, the welding rod is guaranteed to be molten and shortened continuously, the welding rod can effectively touch a workpiece each time, after the welding rod is completely molten.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. An automatic spot welding device for an assembly line comprises a device body (1), a servo motor (2), an output shaft (4), a driven shaft (7), an eccentric wheel (10), an I-shaped block (11), a telescopic rod (13), a reset spring (15) and a cross rod (18), and is characterized in that the servo motor (2) is arranged on the left side of the lower portion of the device body (1), the upper portion of the servo motor (2) is rotatably connected with the output shaft (4), and the upper portion of the output shaft (4) penetrates through the upper end of the device body (1) and is rotatably connected with a bearing of the device body; the middle part of the output shaft (4) is fixedly connected with a first bevel gear (5), the first bevel gear (5) is meshed with a second bevel gear (6), the second bevel gear (6) is fixedly connected with a driven shaft (7), the two sides of the driven shaft (7) are respectively sleeved on the lower part of a suspender (8), and the upper end of the suspender (8) is fixedly connected with the upper part of the device body (1); the right end of the driven shaft (7) is fixedly connected with an eccentric wheel (10), the lower portion of the eccentric wheel (10) is attached to a rotating wheel (12), the rotating wheel (12) is rotatably connected with an I-shaped block (11), telescopic rods (13) are symmetrically arranged on two sides of the lower end of the I-shaped block (11), the upper end of each telescopic rod (13) is fixedly connected with the lower end of the I-shaped block (11), the lower portion of each telescopic rod (13) is sleeved on the upper portion of a sleeve (14), the lower end of each sleeve (14) is fixedly connected with the bottom of the device body (1), a reset spring (15) is arranged at the bottom of; the device is characterized in that a bearing at the upper end of the right side of the device body (1) is rotatably connected with a fixed shaft (16), the fixed shaft (16) is connected with the upper end of an output shaft (4) through a synchronous belt (9), a step shaft (17) is sleeved at the lower part of the fixed shaft (16), and the step shaft (17) penetrates through the upper end of the I-shaped block (11) and is rotatably connected with the bearing; the lower end of the step shaft (17) is fixedly connected with the upper end of a screw rod (20), a bearing at the lower end of the screw rod (20) is rotatably connected with an I-shaped block (11), the outer surface of the screw rod (20) is in threaded connection with a lantern ring (19), one side of the lantern ring (19) is fixedly connected with a cross rod (18), the other side of the lantern ring (19) is in sliding connection with a sliding chute (21), the sliding chute (21) is fixedly connected with the I-shaped block (11), a plurality of convex strips are arranged on the outer surface of the step shaft (17) in the circumferential direction, an equal number of concave strips are arranged on the inner surface of the fixed shaft (16) in the circumferential direction, the convex strips on the outer surface of the step shaft (17) are embedded in the concave strips on the inner surface of the fixed shaft (16), the right end of the cross rod (18) is rotatably connected with a clamping claw (22), the middle part of the, a fastening spring (25) is arranged in the clamping groove, and the right end of the fastening spring (25) is abutted to the sliding block (24).
2. The automatic spot welding device for the production line according to claim 1, wherein the servo motor (2) is fixedly connected with the motor base (3), and the motor base (3) is fixedly connected with the device body (1) through bolts.
3. A stitch-welding device for flow lines according to any of claims 1-2, characterized in that said servo motor (2) is wired to a power supply and a switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810468613.6A CN108655614B (en) | 2018-05-16 | 2018-05-16 | Automatic spot welding device for assembly line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810468613.6A CN108655614B (en) | 2018-05-16 | 2018-05-16 | Automatic spot welding device for assembly line |
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| CN108655614A CN108655614A (en) | 2018-10-16 |
| CN108655614B true CN108655614B (en) | 2021-02-05 |
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| CN201810468613.6A Active CN108655614B (en) | 2018-05-16 | 2018-05-16 | Automatic spot welding device for assembly line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109158826B (en) * | 2018-11-22 | 2024-03-22 | 武汉市恒信泰采油设备制造有限公司 | Welding chuck |
| CN110201805B (en) * | 2019-05-16 | 2020-12-18 | 嘉兴觅特电子商务有限公司 | Long service life's colliery processing equipment that has anti-blocking function |
| CN111688351A (en) * | 2020-07-17 | 2020-09-22 | 周余英 | Clamping device for printing and coating process |
| CN112388110A (en) * | 2020-11-03 | 2021-02-23 | 彭冰 | Feeding structure and automatic processing equipment |
| CN113410434B (en) * | 2021-06-18 | 2022-09-09 | 山西贝特瑞新能源科技有限公司 | Production equipment and production method of composite lithium battery negative electrode material |
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