CN212043342U - Multi-action continuous welding device for automobile seat turnover shaft - Google Patents
Multi-action continuous welding device for automobile seat turnover shaft Download PDFInfo
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- CN212043342U CN212043342U CN202020704317.4U CN202020704317U CN212043342U CN 212043342 U CN212043342 U CN 212043342U CN 202020704317 U CN202020704317 U CN 202020704317U CN 212043342 U CN212043342 U CN 212043342U
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Abstract
The utility model relates to a multi-action continuous welding device for automobile seat turnover shafts, which positions each seat supporting piece through a third fixture mechanism before spot welding operation, and then enables the seat supporting piece to be accurately moved away after positioning is completed through fixing of a fixing seat and a pressing piece, so that a sufficient welding operation space is formed between an end fixing piece and a main shaft; then the third fixture mechanism resets seat support piece accuracy, accomplishes the accurate spot welding of seat support piece and main shaft to realize the accurate tack welding of a plurality of seat support piece of car seat trip shaft, improve car seat trip shaft welded accuracy.
Description
Technical Field
The utility model relates to the field of welding technique, especially, relate to a many actions continuous welding device for car seat trip shaft.
Background
In the welding operation, the problem of narrow operation space often appears, for example the welding operation of car seat trip shaft. As shown in fig. 1, the seat reclining shaft for a vehicle includes a main shaft 10, two end fixtures 20 (generally provided with through holes for assembly), and at least two seat supporters 30, the two end fixtures 20 being welded to both ends of the main shaft 10, the seat supporters 30 being uniformly arranged along an extending direction of the main shaft 10, and the main shaft 10 being provided with one seat supporter 30 near an inner side of both ends thereof. When performing the welding operation, it is necessary to weld the two ends of the main shaft 10 with the two end fixtures 20, and then tack-weld the plurality of seat supports 30 to the main shaft 10, wherein two seat supports 30 must be welded at the positions of the two ends of the main shaft 10 close to the two end fixtures 20, so that a plurality of spot welding operations must be performed in a narrow space where the two ends of the main shaft 10 are located.
Since the weldment is deformed in a high-temperature work environment during the spot welding work, if the seat support 30 is first positioned on the main shaft 10, the seat support 30 is easily affected by the high-temperature environment and contaminated by welding slag during the spot welding work of the main shaft 10 and the end fixing 20. However, if the spot welding operation of the main shaft 10 and the end fixing member 20 is performed first, the end of the main shaft 10 is deformed, which affects the accuracy of positioning the seat support 30, and in order to ensure the accuracy of positioning, the seat support 30 must be positioned and matched to the main shaft 10 before welding. On the other hand, when spot welding is performed a plurality of times in a narrow space at both ends of the main shaft 10, a time difference of welding is easily generated by manual operation, and positioning accuracy of the seat supporters 30 at both ends of the main shaft 10 is also affected.
Disclosure of Invention
The utility model aims to solve the problem that a multi-action continuous welding device for car seat trip shaft is provided, this kind of multi-action continuous welding device can realize the accurate tack welding of a plurality of seat support piece of car seat trip shaft, improves car seat trip shaft welded accuracy. The technical scheme is as follows:
the utility model provides a many moves continuous welding set for car seat trip shaft, includes the frame, its characterized in that: the rotary fixture comprises a rack, and is characterized by further comprising a rotary seat, a rotary driving mechanism, at least one first fixture mechanism, two second fixture mechanisms and at least two third fixture mechanisms, wherein the rotary driving mechanism is installed on the rack, and the rotary seat is installed at the power output end of the rotary driving mechanism; each first clamp mechanism, each second clamp mechanism and each third clamp mechanism are arranged on the rotary seat and are arranged along the rotary axis of the rotary seat, the two second clamp mechanisms are respectively arranged at two ends of the rotary seat, and each third clamp mechanism is arranged between the two second clamp mechanisms, wherein the two third clamp mechanisms are respectively arranged at the end parts of the rotary seat and are positioned at the inner sides of the corresponding second clamp mechanisms; the third fixture mechanism comprises a lifting mechanism, a fixed seat, a pressing mechanism and a pressing piece, the lifting mechanism is fixedly installed on the rotating seat, the fixed seat and the pressing mechanism are both connected with the power output end of the lifting mechanism, the pressing piece is installed on the power output end of the pressing mechanism, and the pressing piece is located above the fixed seat.
The automobile seat overturning shaft generally comprises a main shaft, two end fixing pieces (generally provided with a plurality of through holes for assembly) and at least two seat supporting pieces, wherein the two end fixing pieces are welded at two ends of the main shaft, the seat supporting pieces are uniformly arranged along the extension direction of the main shaft, and the main shaft is provided with one seat supporting piece close to the inner sides of the two end parts of the main shaft. The main shaft is fixed by the first clamp mechanism, the end fixing piece is fixed by the second clamp mechanism, and the seat supporting piece is fixed by the third clamp mechanism.
Before welding, the setting positions of the third fixture mechanisms can be adjusted and locked according to production requirements, and in the whole welding process of the automobile seat turnover shaft, the relative positions of the first fixture mechanisms, the second fixture mechanisms and the third fixture mechanisms are not changed.
The first clamp mechanism and the second clamp mechanism only need to fix the main shaft and the end fixing piece in the whole spot welding operation process.
The rotary driving mechanism is used for driving the rotary seat to rotate properly and reasonably, and ensures that enough welding operation space is provided. The rotating mechanism can adopt two motors, and two sides of the rotating shaft are connected with output shafts of the motors.
The welding process of the multi-action continuous welding device for the automobile seat overturning shaft is briefly described as follows:
(1) the main shaft is clamped and fixed through a first clamp mechanism, and two end fixing pieces are respectively fixed on second clamp mechanisms on two sides of the main shaft;
(2) placing each seat supporting piece on a corresponding fixed seat, and driving corresponding pressing pieces to descend by each pressing mechanism to press each seat supporting piece; then each lifting mechanism simultaneously drives the corresponding fixed seat and the whole pressing mechanism to ascend, so that each seat supporting piece simultaneously reaches the position to be welded and is tightly contacted with the main shaft under the common limiting action of the fixed seat and the pressing piece, and the positioning of each seat supporting piece is completed;
(3) rotating the rotating seat to a proper position to ensure that enough welding operation space is reserved between the two end parts of the main shaft and the corresponding end part fixing pieces;
(4) each lifting mechanism simultaneously drives each seat supporting piece to be separated from the main shaft, and each fixed seat and each pressing piece keep pressing the seat supporting piece in the process of leaving the main shaft;
(5) welding two end parts of the main shaft and the corresponding end part fixing pieces simultaneously;
(6) each lifting mechanism simultaneously drives the corresponding fixed seat and the corresponding whole pressing mechanism to ascend again, so that each seat support piece simultaneously reaches the position to be welded and is in close contact with the main shaft again;
(7) rotating the rotating seat to a proper position again to enable enough welding operation space to be reserved between the main shaft and each seat supporting piece, and performing welding operation on the main shaft and each seat supporting piece;
(8) each pressing mechanism drives the corresponding pressing piece to loosen each seat supporting seat, each lifting mechanism drives the corresponding fixing seat and the corresponding whole pressing mechanism to reset, and therefore the welding operation of the whole automobile seat overturning shaft is completed.
In the above step (7), since each seat support has already been positioned on the main shaft, it is not necessary to perform simultaneous spot welding work for each seat support.
As a preferred scheme of the utility model, the lifting mechanism comprises a lifting seat and a lifting cylinder, the cylinder body of the lifting cylinder is vertically upwards arranged on the rotating seat, the lifting seat is arranged on the piston rod of the lifting cylinder, and the fixed seat is arranged on the lifting seat; the pressing mechanism comprises a pressing seat and a pressing cylinder, the cylinder body of the pressing cylinder is vertically arranged on the lifting seat upwards, the pressing seat is installed on a piston rod of the pressing cylinder, and the pressing piece is arranged on the pressing seat and located above the fixed seat. Because the lift cylinder still is responsible for whole hold-down mechanism's lift, the lift cylinder can adopt two pole cylinders, improves the stability of whole lift in-process.
In order to improve the stability and the accuracy that seat support piece removed at whole operation in-process, as the utility model discloses further preferred scheme, the lift cylinder all adopts servo cylinder with compressing tightly the cylinder, through the tolerance of electric signal control lift cylinder with compressing tightly the cylinder to control lift cylinder and the stroke that compresses tightly the cylinder.
As a further preferable scheme of the present invention, the lifting mechanism further comprises two first proximity switches, the two first proximity switches are located at one side of the lifting seat and are arranged oppositely from top to bottom, and signal output ends of the two first proximity switches are electrically connected with a control end of the lifting cylinder; a first touch block is further arranged on the edge of one side of the lifting seat and located between the two first proximity switches.
As a still further preferable scheme of the present invention, the pressing mechanism further includes two second proximity switches, the two second proximity switches are located on one side of the pressing base and are arranged oppositely from top to bottom, and signal output ends of the two second proximity switches are both electrically connected with a control end of the pressing cylinder; one side edge of the pressing seat is also provided with a second touch block, and the second touch block is positioned between the two second proximity switches.
Above-mentioned two first proximity switches and second proximity switch are used for controlling the lift cylinder and compress tightly the stroke of cylinder, improve the lift cylinder and compress tightly the accuracy of cylinder stroke, make seat support piece can more accurate location on the main shaft.
Compared with the prior art, the utility model, have following advantage:
the utility model discloses a many moves continuous welding set for car seat trip shaft is fixed a position each seat support piece through third fixture mechanism before spot welding operation, then through the fixed of fixing base and compressing tightly piece, makes seat support piece can accurately put aside after accomplishing the location, makes to have sufficient welding operation space between end fixing spare and the main shaft; then the third fixture mechanism resets seat support piece accuracy, accomplishes the accurate spot welding of seat support piece and main shaft to realize the accurate tack welding of a plurality of seat support piece of car seat trip shaft, improve car seat trip shaft welded accuracy.
Drawings
FIG. 1 is a schematic structural view of a roll-over shaft of an automobile seat;
FIG. 2 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 3 is a top view of FIG. 2;
fig. 4 is a schematic structural view of the lifting mechanism 601 of the third clamping mechanism 6;
fig. 5 is a schematic structural view of the pressing mechanism 603 of the third clamping mechanism 6;
fig. 6 is a schematic structural view of the second clamping mechanism 5.
Detailed Description
The following further describes the preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 2 to 3, a multi-action continuous welding device for a car seat roll-over shaft comprises a frame 1, a rotary base 2, a rotary driving mechanism 3, two first clamp mechanisms 4, two second clamp mechanisms 5 and at least two third clamp mechanisms 6; the rotary driving mechanism 3 is installed on the rack 1, the rotary driving mechanism 3 comprises two servo motors 301, the two servo motors 301 are respectively and oppositely arranged on the left side and the right side of the rotary base 2, output shafts of the two servo motors 301 are in a straight line, and two ends of the rotary base 2 are respectively connected with output shafts of the corresponding servo motors 301; each of the first clamp mechanism 4, the second clamp mechanism 5 and the third clamp mechanism 6 is mounted on the rotary base 2 and arranged along the rotation axis of the rotary base 2; two second fixture mechanisms 5 are respectively arranged at two ends of the rotary base 2, and each third fixture mechanism 6 is arranged between the two second fixture mechanisms 5, wherein the two third fixture mechanisms 6 are respectively arranged at the end part of the rotary base 2 and are positioned at the inner side of the corresponding second fixture mechanism 5.
As shown in fig. 4 and 5, the third clamp mechanism 6 includes a lifting mechanism 601, a fixing base 602, a pressing mechanism 603, and a pressing piece 604; the lifting mechanism 601 comprises a lifting seat 6011, a lifting cylinder 6012 and two first proximity switches 6013, wherein a cylinder body of the lifting cylinder 6012 is vertically and upwards fixedly installed on the rotating seat 2, the lifting cylinder 6012 adopts a double-rod servo cylinder, the lifting seat 6011 and the pressing mechanism 603 are both connected with a piston rod of the lifting cylinder 6012, and the fixed seat 602 is arranged on the lifting seat 6011; the two first proximity switches 6013 are located on one side of the lifting seat 6011 and are arranged oppositely up and down, and signal output ends of the two first proximity switches 6013 are electrically connected with a control end of the lifting cylinder 6012; a first touch block 6014 is further disposed at an edge of one side of the lifting seat 6011, and the first touch block 6014 is located between the two first proximity switches 6013; the pressing mechanism 603 comprises a pressing seat 6031, a pressing cylinder 6032 and two second proximity switches 6033, the cylinder body of the pressing cylinder 6032 is vertically arranged on the lifting seat 6011 upwards, the pressing cylinder 6032 also adopts a servo cylinder, the pressing seat 6031 is arranged on the piston rod of the pressing cylinder 6032, and the pressing piece 604 is arranged on the pressing seat 6031 and is positioned above the fixed seat 602; the two second proximity switches 6033 are located on one side of the pressing seat 6031 and are arranged oppositely up and down, and signal output ends of the two second proximity switches 6033 are electrically connected with a control end of the pressing cylinder 6032; a second touch block (not shown) is further disposed at an edge of one side of the pressing base 6031, and the second touch block is located between the two second proximity switches 6033.
The first clamping mechanism 4 is used for fixing a main shaft 10 of the vehicle seat overturning shaft, the second clamping mechanism 5 is used for fixing an end fixing piece 20 of the vehicle seat overturning shaft, and the third clamping mechanism 6 is used for fixing a seat supporting piece 30 of the vehicle seat overturning shaft. The first and second clamp mechanisms 4 and 5 are only required to fix the main shaft 10 and the end fixing member 20 during the whole spot welding operation, and therefore, the specific structure and the embodiment are not required, and the present clamp can be used according to the actual operation requirement. The present embodiment provides a specific implementation of the second clamping mechanism 5:
as shown in fig. 6, the second fixture mechanism 5 includes a translation cylinder 501, a translation base 502, a guide rail 503, and an end clamping base 504, a cylinder body of the translation cylinder 501 is horizontally disposed on the rotating base 2, a piston rod of the translation cylinder 501 and the guide rail 503 are both consistent with a rotating shaft of the rotating base 2, the translation base 502 is mounted on a rigid piston rod and can move along the guide rail 503, the end clamping base 504 is mounted on the translation base 502, and an end clamping block 505 is disposed on the end clamping base 504. The end fixture block 505 is used for clamping the through hole on the end fixing member 20, and the translation cylinder 501 drives the translation seat 502 to move along the guide rail 503, so that the end fixing member 20 is fixed with the spindle 10.
The welding process of the multi-action continuous welding device of the present invention is further described with reference to the accompanying drawings and the preferred embodiments of the present invention:
(1) the main shaft 10 is clamped and fixed through a first clamp mechanism 4, two end fixing pieces 20 are respectively fixed on corresponding end clamping seats 504 through end clamping blocks 505 on second clamp mechanisms 5 on two sides of the main shaft 10, a translation cylinder 501 drives a translation seat 502 to move along a guide rail 503, and the end fixing pieces 20 are in close contact with two ends of the main shaft 10;
(2) placing each seat support 30 on the corresponding fixed seat 602, and simultaneously driving the corresponding pressing piece 604 to descend by each pressing cylinder 6032 to press each seat support 30; then, each lifting cylinder 6012 drives the corresponding fixing seat 602 and the whole pressing mechanism 603 to ascend simultaneously, so that each seat supporting part 30 reaches the respective position to be welded and is in close contact with the main shaft 10 under the common limiting action of the fixing seat 602 and the pressing piece 604, thereby completing the positioning of each seat supporting part 30;
(3) rotating the rotary base 2 to a proper position to ensure that enough welding operation space is reserved between the two end parts of the main shaft 10 and the corresponding end fixing parts 20;
(4) each lifting cylinder 6012 drives each seat support 30 to separate from the main shaft 10 at the same time, and each fixing seat 602 and the pressing piece 604 keep the pressing seat 6031 on the seat support 30 in the process of leaving the main shaft 10;
(5) welding work is simultaneously performed on both end portions of the main shaft 10 and the corresponding end fixing pieces 20;
(6) each lifting cylinder 6012 simultaneously drives the corresponding fixed seat 602 and the corresponding whole pressing mechanism 603 to ascend again, so that each seat support 30 simultaneously reaches the position to be welded and is in close contact with the main shaft 10 again;
(7) rotating the rotary base 2 to a proper position again to ensure that enough welding operation space is reserved between the main shaft 10 and each seat support 30, and performing welding operation on the main shaft 10 and each seat support 30; since each seat support 30 is already positioned on the spindle 10, the spindle 10 and each seat support 30 do not need to be worked simultaneously;
(8) each pressing cylinder 6032 drives the corresponding pressing piece 604 to loosen each seat supporting seat, each lifting cylinder 6012 drives the corresponding fixing seat 602 and the corresponding whole pressing mechanism 603 to reset, and thus, the welding operation of the whole automobile seat overturning shaft is completed.
In addition, the lifting cylinder 6012 and the pressing cylinder 6032 both adopt servo cylinders, and the strokes of the lifting cylinder 6012 and the pressing cylinder 6032 are accurately controlled through two first proximity switches 6013 and two second proximity switches 6033, so that the accuracy of the strokes of the lifting cylinder 6012 and the pressing cylinder 6032 is improved, and the seat support piece 30 can be positioned on the main shaft 10 more accurately. Meanwhile, the lifting cylinder 6012 adopts a double-rod cylinder, which improves the stability of the seat support 30 in the whole lifting process.
In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides a many moves continuous welding set for car seat trip shaft, includes the frame, its characterized in that: the rotary fixture comprises a rack, and is characterized by further comprising a rotary seat, a rotary driving mechanism, at least one first fixture mechanism, two second fixture mechanisms and at least two third fixture mechanisms, wherein the rotary driving mechanism is installed on the rack, and the rotary seat is installed at the power output end of the rotary driving mechanism; each first clamp mechanism, each second clamp mechanism and each third clamp mechanism are arranged on the rotary seat and are arranged along the rotary axis of the rotary seat, the two second clamp mechanisms are respectively arranged at two ends of the rotary seat, and each third clamp mechanism is arranged between the two second clamp mechanisms, wherein the two third clamp mechanisms are respectively arranged at the end parts of the rotary seat and are positioned at the inner sides of the corresponding second clamp mechanisms; the third fixture mechanism comprises a lifting mechanism, a fixed seat, a pressing mechanism and a pressing piece, the lifting mechanism is fixedly installed on the rotating seat, the fixed seat and the pressing mechanism are both connected with the power output end of the lifting mechanism, the pressing piece is installed on the power output end of the pressing mechanism, and the pressing piece is located above the fixed seat.
2. The multi-motion continuous welding apparatus for the roll-over shaft of the seat for the automobile of claim 1, wherein: the lifting mechanism comprises a lifting seat and a lifting cylinder, the cylinder body of the lifting cylinder is vertically upwards arranged on the rotating seat, the lifting seat is arranged on a piston rod of the lifting cylinder, and the fixed seat is arranged on the lifting seat; the pressing mechanism comprises a pressing seat and a pressing cylinder, the cylinder body of the pressing cylinder is vertically arranged on the lifting seat upwards, the pressing seat is installed on a piston rod of the pressing cylinder, and the pressing piece is arranged on the pressing seat and located above the fixed seat.
3. The multi-motion continuous welding apparatus for the roll shaft of the seat for the automobile according to claim 2, wherein: and the lifting cylinder and the pressing cylinder both adopt servo cylinders.
4. The multi-motion continuous welding apparatus for the roll-over shaft of the seat for the automobile of claim 3, wherein: the lifting mechanism further comprises two first proximity switches, the two first proximity switches are located on one side of the lifting seat and are arranged oppositely up and down, and signal output ends of the two first proximity switches are electrically connected with a control end of the lifting cylinder; a first touch block is further arranged on the edge of one side of the lifting seat and located between the two first proximity switches.
5. The multi-motion continuous welding apparatus for the roll-over shaft of the seat for the automobile of claim 4, wherein: the pressing mechanism further comprises two second proximity switches, the two second proximity switches are located on one side of the pressing seat and are arranged oppositely up and down, and signal output ends of the two second proximity switches are electrically connected with a control end of the pressing cylinder; one side edge of the pressing seat is also provided with a second touch block, and the second touch block is positioned between the two second proximity switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020704317.4U CN212043342U (en) | 2020-04-30 | 2020-04-30 | Multi-action continuous welding device for automobile seat turnover shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020704317.4U CN212043342U (en) | 2020-04-30 | 2020-04-30 | Multi-action continuous welding device for automobile seat turnover shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212043342U true CN212043342U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020704317.4U Active CN212043342U (en) | 2020-04-30 | 2020-04-30 | Multi-action continuous welding device for automobile seat turnover shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212043342U (en) |
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2020
- 2020-04-30 CN CN202020704317.4U patent/CN212043342U/en active Active
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