CN111055068B - A seat tooling welding part fixture and a seat tooling welding part processing method - Google Patents
A seat tooling welding part fixture and a seat tooling welding part processing method Download PDFInfo
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- CN111055068B CN111055068B CN202010029594.4A CN202010029594A CN111055068B CN 111055068 B CN111055068 B CN 111055068B CN 202010029594 A CN202010029594 A CN 202010029594A CN 111055068 B CN111055068 B CN 111055068B
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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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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Abstract
本发明一种座椅工装焊合件夹具，包括底座台板和设置在底座台板上的工件夹持组件，所述工件夹持组件包括用于支撑定位工件主体部的主体定位组件、用于夹持第一附件的第一夹持单元、用于夹持第二附件的第二夹持单元、用于夹持第三附件的第三夹持单元、用于夹持第四附件和第五附件的第四夹持单元、用于夹持第六附件的第五夹持单元以及用于夹持第七附件的第六夹持单元。本发明结构连接非常稳固、支架强度高、占用空间小并且方便进行焊接操作的座椅工装焊合件夹具，该夹具能够很好的对加工部件进行定位固定，张开闭合都能精确的定位在加工部件相对很好的位置上,通过多个夹紧组件之间相互配合，实现对加工部件的准确定位和夹紧。
The present invention discloses a seat tooling welding fixture, comprising a base plate and a workpiece clamping assembly arranged on the base plate, wherein the workpiece clamping assembly comprises a main body positioning assembly for supporting and positioning the main body of the workpiece, a first clamping unit for clamping a first accessory, a second clamping unit for clamping a second accessory, a third clamping unit for clamping a third accessory, a fourth clamping unit for clamping a fourth accessory and a fifth accessory, a fifth clamping unit for clamping a sixth accessory, and a sixth clamping unit for clamping a seventh accessory. The seat tooling welding fixture of the present invention has a very stable structural connection, high bracket strength, small occupied space, and is convenient for welding operations. The fixture can well position and fix the processing parts, and can be accurately positioned at a relatively good position of the processing parts when opened and closed. The accurate positioning and clamping of the processing parts are achieved through the cooperation between multiple clamping assemblies.
Description
Technical Field
The invention relates to the technical field of clamps, in particular to a seat tool welding piece clamp.
Background
As shown in fig. 1, the seat tooling welding piece comprises a workpiece main body part, and a first accessory, a second accessory, a third accessory, a fourth accessory, a fifth accessory, a sixth accessory and a seventh accessory which are respectively connected with the main body part. All need the welding in the connection between each annex and the work piece main part, and the welding of seat frock among the prior art adopts manual welding generally, welds local part one by one in proper order, but then can increase welding procedure, and every process all needs a welding jig, and many times welded operation process is complicated to the annex location is very easy to produce the error, causes the annex location dislocation, influences the precision of assembly structure.
At present, the automatic welding technology of robots is more and more mature, the positioning accuracy and stability of the clamp are high, the key effect is played in processing parts, the quality of the parts is good or bad, and the service life of products is directly influenced. The seat tool welding piece can be automatically welded through the matching of the clamp and the welding robot, so that the seat tool welding piece clamp is required to adapt to the automatic welding of the robot.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides the seat tool welding piece clamp which is very stable in structural connection, high in support strength, small in occupied space and convenient to weld, the clamp can well position and fix a processing part, the opening and closing can be accurately positioned at a relatively good position of the processing part, and the accurate positioning and clamping of the processing part are realized through the mutual matching of a plurality of clamping assemblies.
The technical scheme adopted by the invention for achieving the purpose is as follows: the seat tool welding piece clamp comprises a base platen and a workpiece clamping assembly arranged on the base platen, wherein the workpiece clamping assembly comprises a main body positioning assembly, a first clamping unit, a second clamping unit, a third clamping unit, a fourth clamping unit, a fifth clamping unit and a sixth clamping unit, the main body positioning assembly is used for supporting and positioning a main body part of a workpiece, the first clamping unit is used for clamping a first accessory, the second clamping unit is used for clamping a second accessory, the third clamping unit is used for clamping a third accessory, the fourth clamping unit is used for clamping a fourth accessory and a fifth accessory, the fifth clamping unit is used for clamping a sixth accessory, and the sixth clamping unit is used for clamping a seventh accessory;
The main body positioning assembly comprises a main body positioning seat I, a main body positioning seat II, a main body positioning seat III, a main body positioning pin column I and a main body positioning pin column II which are sequentially connected to the upper end surface of the base platen from left to right, main body positioning pins corresponding to positioning holes of the main body of the workpiece are respectively arranged on the main body positioning seat I and the main body positioning seat II, the main body positioning pin column I and the main body positioning pin column II respectively correspond to main body pin holes I and main body pin holes II of the main body of the workpiece, and the main body of the workpiece is supported and positioned on the base platen through the main body positioning assembly;
The first clamping unit is positioned at the outer side of the left end of the main body part of the workpiece and comprises a first clamping cylinder, a first cylinder fixing seat, a first clamping arm and a first accessory positioning seat, the first cylinder fixing seat is connected with the upper end surface of the base platen close to the side edge, the first clamping cylinder is fixedly connected with the first cylinder fixing seat, the axis of the first clamping cylinder is vertical to the base platen, one end of the first clamping arm is hinged with a telescopic rod of the first clamping cylinder, the position, close to one side of the first clamping cylinder, of the middle part of the first clamping arm is movably connected with the upper end of the first cylinder fixing seat through a first clamping arm connecting plate, the lower side of the end part, far away from one end of the first clamping cylinder, of the first clamping arm is also connected with an accessory pressing block I used for pressing a first accessory, and the first accessory positioning seat is connected with the upper end face of the base platen and is positioned at the lower side of the accessory pressing block I;
the second clamping unit is positioned at the outer side of the workpiece main body and corresponds to the position of the main body positioning seat II, the second clamping unit comprises a second clamping cylinder, a second cylinder fixing seat, a second clamping arm and a second accessory positioning seat, the second cylinder fixing seat is connected with the upper end face of the base platen, the second clamping cylinder is fixedly connected with the second cylinder fixing seat, the axis of the second clamping cylinder is vertical to the base platen, one end of the second clamping arm is hinged with a telescopic rod of the second clamping cylinder, the position, close to one side of the second clamping cylinder, of the middle part of the second clamping arm is movably connected with the upper end of the second cylinder fixing seat through a second clamping arm connecting plate, the end part, far away from one end of the second clamping cylinder, of the second clamping arm is also connected with an accessory pressing block II for pressing a second accessory, and the upper end face of the base platen of the second accessory positioning seat is connected with and positioned at the lower side of the accessory pressing block II;
The third clamping unit is positioned at the outer side of the workpiece main body and corresponds to the position of the main body positioning seat II, the third clamping unit comprises a third clamping cylinder, a third cylinder fixing seat, a third clamping arm and a third accessory positioning seat, the third cylinder fixing seat is connected with the upper end face of the base platen close to the side edge, the third clamping cylinder is fixedly connected with the third cylinder fixing seat, the axis of the third clamping cylinder is vertical to the base platen, one end of the third clamping arm is hinged with a telescopic rod of the third clamping cylinder, the position of the middle part of the third clamping arm, which is close to one side of the third clamping cylinder, is movably connected with the upper end of the third cylinder fixing seat through a third clamping arm connecting plate, the lower side of the end part of the third clamping arm, which is far away from one end of the third clamping cylinder, is also connected with an accessory pressing block III for pressing the third accessory, and the third accessory positioning seat is connected with the upper end face of the base and is positioned at the lower side of the accessory pressing block III;
The fourth clamping unit is positioned at the outer side of the workpiece main body and corresponds to the position of the main body positioning seat III, the fourth clamping unit comprises a fourth clamping cylinder, a fourth cylinder fixing seat, a fourth clamping arm and a fourth accessory positioning seat, the fourth cylinder fixing seat is connected with the upper end face of the base platen close to the side, the fourth clamping cylinder is fixedly connected with the fourth cylinder fixing seat, the axis of the fourth clamping cylinder is vertical to the base platen, one end of the fourth clamping arm is hinged with a telescopic rod of the fourth clamping cylinder, the position of the middle part of the fourth clamping arm, which is close to one side of the fourth clamping cylinder, is movably connected with the upper end of the fourth cylinder fixing seat through a fourth clamping arm connecting plate, the lower side of the end part of the fourth clamping arm, which is far away from one end of the fourth clamping cylinder, is also respectively connected with an accessory pressing block IV and an accessory pressing block V for pressing the fourth accessory and the fifth accessory, the fourth accessory positioning seat is connected with the upper end face of the base platen and is positioned at the lower side of the accessory pressing block IV, the accessory pressing block V extends to the upper side of the workpiece main body, and the lower end face of the accessory pressing block V is provided with a fifth accessory positioning pin for positioning the fifth accessory pressing block;
The fifth clamping unit is positioned at the outer side of the workpiece main body and corresponds to the position of the main body positioning pin I, the fifth clamping unit comprises a fifth clamping cylinder, a fifth cylinder fixing seat, a linkage rod and a fifth accessory positioning seat, a notch is formed in the middle of the fifth cylinder fixing seat, the notch penetrates through the upper end face and the lower end face of the fifth cylinder fixing seat and one side face of the fifth cylinder fixing seat, the fifth cylinder fixing seat is connected with the upper end face of the base platen, the fifth clamping cylinder and the fifth cylinder fixing seat are fixedly connected with the side face, far away from the workpiece main body, of the fifth cylinder fixing seat, the telescopic rod of the fifth clamping cylinder extends into the notch, the rear end of the linkage rod is connected with the telescopic rod of the fifth clamping cylinder, the front end of the linkage rod extends to the side, where the workpiece main body is located, and the fifth accessory positioning seat is positioned at the front side in the telescopic direction of the linkage rod and is fixedly connected with the upper end face of the base platen;
the sixth clamping unit is positioned at the outer side of the workpiece main body and corresponds to the position of the main body positioning pin II, the sixth clamping unit comprises a cylinder sliding block fixedly connected to the base bedplate, a sliding rail matched with the cylinder sliding block and a sixth clamping mechanism connected with the sliding rail, the sixth clamping mechanism comprises a sixth clamping cylinder, a sixth cylinder fixing seat and a sixth clamping arm, the sixth cylinder fixing seat is connected with the front end of the sliding rail through a mounting plate, the sixth clamping cylinder is horizontally arranged at the upper side of the sixth cylinder fixing seat and is fixedly connected with the sixth cylinder fixing seat, the upper end of the sixth clamping arm is hinged with a telescopic rod of the sixth clamping cylinder, the position, close to the upper end, of the middle part of the sixth clamping arm is movably connected with the position, close to the upper end, of the sixth cylinder fixing seat through a sixth clamping arm connecting plate, the end, far away from one end of the sixth clamping cylinder is further connected with an accessory pressing block VI used for pressing the upper end of a seventh accessory on the sixth cylinder fixing seat, and the front side of the sixth cylinder fixing seat is further provided with an accessory pressing block VII used for pressing the seventh accessory on the main body positioning pin II;
The first clamping cylinder, the second clamping cylinder, the third clamping cylinder and the fourth clamping cylinder are connected with the high-pressure gas station through a first gas path valve to form a first working gas path; the fifth clamping cylinder, the cylinder sliding block and the sixth clamping cylinder are connected with the high-pressure gas station through a second gas circuit valve to form a second working gas circuit.
The invention further adopts the technical scheme that: the upper end surface of the first accessory positioning seat is concavely provided with a first accessory positioning groove matched with the first accessory, and the first accessory positioning groove is convexly provided with a first accessory positioning pin; the upper end surface of the second accessory positioning seat is concavely provided with a second accessory positioning groove for positioning a second accessory; the upper end surface of the third accessory positioning seat is concavely provided with three third accessory positioning grooves for positioning the third accessories, and the positions of the three third accessory positioning grooves correspond to the outline of the third accessories; and the upper end surface of the fourth accessory positioning seat is concavely provided with three fourth accessory positioning grooves for positioning the fourth accessories, and the positions of the three fourth accessory positioning grooves correspond to the outline of the fourth accessories.
The invention further adopts the technical scheme that: the side face of the front end of the third clamping arm is also connected with a main body pressing block used for pressing the main body of the workpiece.
The invention further adopts the technical scheme that: the fourth clamping unit further comprises a fourth clamping arm limiting groove block used for limiting the limiting position of the fourth clamping arm when the fourth clamping arm is pressed down, and the fourth clamping arm limiting groove block is located at one side, far away from the fourth clamping cylinder, of the fourth clamping arm connecting plate and fixedly connected with the upper end of the fourth cylinder fixing seat.
The invention further adopts the technical scheme that: the rear end of the linkage rod is connected with the telescopic rod of the fifth clamping cylinder through a T-shaped connecting component, the T-shaped connecting component comprises a first cylindrical connecting part and a second cylindrical connecting part, one end of the first connecting part is provided with a T-shaped groove with a T-shaped section, and one end of the first connecting part far away from the T-shaped groove is connected with the linkage rod; one end of the second connecting part is provided with a T-shaped connector matched with the T-shaped groove, and one end of the second connecting part far away from the T-shaped connector is connected with a telescopic rod of a fifth clamping cylinder; the T-shaped connector is embedded into the T-shaped groove so that the first connecting part is connected with the second connecting part.
The invention further adopts the technical scheme that: the side of the fifth accessory locating seat is provided with a sixth accessory locating groove for locating a sixth accessory, and a sixth accessory locating hole corresponding to the accessory through hole of the sixth accessory is arranged in the sixth accessory locating groove.
The invention further adopts the technical scheme that: the fifth clamping cylinder is a manual cylinder, and the rear end of the fifth clamping cylinder is also connected with a handle capable of manually controlling the telescopic rod to move.
The invention further adopts the technical scheme that: the front end plate and the rear end plate are respectively arranged at two ends of the sliding rail, and the mounting plate is connected with the front end plate of the sliding rail; still be equipped with spacing unit between rear end plate and the cylinder slider, spacing unit includes stopper I and the stopper II of being connected with the terminal surface before the rear end plate that is connected behind the cylinder slider, stopper I is equipped with the spacing recess of "V" font, stopper II and spacing recess cooperation.
The other technical scheme of the invention is as follows: a processing method of a seat tool welding piece comprises the following specific steps:
Step one: positioning a workpiece main body part on a main body positioning assembly, wherein positioning holes of the workpiece main body part correspond to main body part positioning pins on a main body part positioning seat I and a main body part positioning seat II respectively, and a main body part pin hole I and a main body part pin hole II of the workpiece main body part correspond to a main body part positioning pin I and a main body part positioning pin II respectively;
step two: positioning one end of a first accessory on a first accessory positioning groove of a first accessory positioning seat and matching with a first accessory positioning pin; the second accessory is positioned on the second accessory positioning seat through a second accessory positioning groove, and the third accessory is positioned on the third accessory positioning seat through three third accessory positioning grooves; the fourth accessory is positioned on the fourth accessory positioning seat through three fourth accessory positioning grooves, and the fifth accessory is placed at a corresponding position on the main body part of the workpiece;
Step three: the telescopic rods of the first clamping cylinder, the second clamping cylinder, the third clamping cylinder and the fourth clamping cylinder are controlled to extend through the first air circuit valve, so that the first accessory, the second accessory, the third accessory, the fourth accessory and the fifth accessory are respectively pressed and positioned on the corresponding positioning seats through the first clamping arm, the second clamping arm, the third clamping arm and the fourth clamping arm;
Step four: the sixth accessory is placed in a sixth accessory positioning groove of the fifth accessory positioning seat, and a linkage rod at the front end of the fifth clamping cylinder is controlled by a handle to penetrate through an accessory through hole of the sixth accessory and be positioned in a sixth accessory positioning hole of the fifth accessory positioning seat;
Step five: positioning a seventh accessory outside the main body positioning pin II, and driving the sixth clamping mechanism to move to the side where the seventh accessory is positioned by pushing the sliding rail until an accessory pressing block VII at the front side of the sixth cylinder fixing seat compresses the seventh accessory outside the main body positioning pin II;
step six: the fifth clamping cylinder, the cylinder sliding block and the sixth clamping cylinder are controlled to work through the second air circuit valve, and the telescopic rod of the fifth clamping cylinder stretches out, so that the linkage rod is driven to keep the sixth accessory to be pressed and positioned on the fifth accessory positioning seat; meanwhile, the cylinder slide block drives the slide rail to move to the side where the seventh accessory is located until the accessory pressing block VII keeps the seventh accessory pressed on the outer side of the main body part positioning pin II; simultaneously, the telescopic rod of the sixth clamping cylinder stretches out, and the sixth clamping arm presses the upper end of the seventh accessory on the sixth cylinder fixing seat, so that the clamping and positioning of the seventh accessory are realized;
Step seven: starting a welding robot, and welding the first accessory, the second accessory, the third accessory, the fourth accessory, the fifth accessory, the sixth accessory and the seventh accessory on the main body part of the workpiece through the welding robot;
step eight: after the welding robot finishes welding, the first air passage valve and the second air passage valve are closed, the clamping units loosen the clamping of the accessory and the workpiece main body part, and the welded seat tool is taken out.
When the seat tool welding piece clamp is used for welding the seat tool, the clamp can simultaneously position and clamp the main part of the workpiece and all accessories, so that automatic welding of a robot is realized, the operation procedure is simpler, the welding of the whole seat tool can be finished by only one clamp, the labor is effectively saved, the labor intensity is reduced, and the production efficiency is improved; in addition, the fixture can simultaneously position a plurality of sites, thereby ensuring the accuracy and stability of positioning and ensuring the precision of products; and the fixture has the advantages of simple structure, convenient assembly and disassembly and proper space utilization, yields a welding space, effectively meets the requirement of a welding gun on the welding space, and is more convenient to weld.
The invention relates to a seat tool welding part fixture and a seat tool welding part processing method, and further provides a seat tool welding part fixture and a seat tool welding part processing method.
Drawings
FIG. 1 is a schematic structural view of a seat tooling weld;
FIG. 2 is a schematic view of a seat tooling weld fixture according to the present invention;
FIG. 3 is a top view of a seat tooling weld fixture of the present invention;
FIG. 4 is a schematic view of the structure in which the body portion of the workpiece is positioned on the base platen by the body positioning assembly;
fig. 5 is a schematic structural view of the first clamping unit;
FIG. 6 is a schematic view of the structure of the first accessory positioning socket;
Fig. 7 is a schematic structural view of the second clamping unit and the third clamping unit;
FIG. 8 is a schematic view of the structure of FIG. 7 in another direction;
FIG. 9 is a schematic view of a second accessory detent;
FIG. 10 is a schematic structural view of a third accessory shoe;
fig. 11 is a schematic structural view of a fourth clamping unit;
FIG. 12 is a schematic view of the structure of FIG. 11 in another direction;
FIG. 13 is a schematic structural view of a fourth accessory shoe;
FIG. 14 is a top view of a fourth accessory shoe;
fig. 15 is a schematic structural view of a fifth clamping unit;
FIG. 16 is a schematic view of a fifth accessory shoe;
FIG. 17 is a schematic view of a linkage rod connected to the front end of the fifth clamping cylinder by a T-shaped connecting assembly;
FIG. 18 is an exploded view of FIG. 17;
FIG. 19 is a schematic view of the sixth clamping unit positioned on the base platen;
fig. 20 is a schematic structural view of a sixth clamping unit;
FIG. 21 is a schematic view of the structure of the cylinder block and slide rail (clamping attachment state);
FIG. 22 is a schematic view of the structure of the cylinder block and slide rail (non-clamping attachment state);
Reference numerals illustrate: 11-workpiece body, 111-body pin hole I, 112-body pin hole II, 12-first accessory, 13-second accessory, 14-third accessory, 15-fourth accessory, 16-fifth accessory, 161-fifth accessory positioning hole, 17-sixth accessory, 171-accessory through hole, 18-seventh accessory, 2-base platen, 3-first clamping unit, 31-first clamping cylinder, 32-first clamping arm connecting plate, 33-first clamping arm, 34-accessory press block I, 35-first cylinder fixing seat, 36-first accessory positioning seat, 361-first accessory positioning groove, 362-first accessory positioning pin, 4-second clamping unit, 41-second clamping cylinder, 42-second accessory positioning seat, 421-second attachment positioning groove, 43-second clip arm connecting plate, 44-second clip arm, 45-attachment pressing block II, 46-second cylinder fixing base, 5-third clip unit, 51-third clip cylinder, 52-third cylinder fixing base, 53-third attachment positioning base, 531-third attachment positioning groove, 54-main body portion pressing block, 55-third clip arm connecting plate, 56-third clip arm, 57-attachment pressing block III, 6-fourth clip unit, 61-fourth clip cylinder, 62-fourth cylinder fixing base, 63-fourth clip arm limiting groove block, 64-fourth attachment positioning base, 641-fourth attachment positioning groove, 65-attachment pressing block IV, 66-attachment pressing block V, 67-fourth clip arm connecting plate, 68-fourth clamp arm, 69-fifth accessory positioning pin, 7-fifth clamp unit, 71-fifth clamp cylinder, 711-handle, 72-fifth cylinder holder, 721-notch, 73-linkage rod, 74-fifth accessory positioning seat, 741-sixth accessory positioning groove, 742-sixth accessory positioning hole, 75-T-shaped connecting assembly, 751-first connecting portion, 751-T-shaped groove, 752-second connecting portion, 7521-T-shaped connector, 8-sixth clamp unit, 81-cylinder slider, 82-slide rail, 821-front end plate, 822-rear end plate, 83-mounting plate, 84-sixth cylinder holder, 85-accessory press block VII, 86-accessory press block VI, 87-sixth clamp arm, 88-sixth clamp arm connecting plate, 89-sixth clamp cylinder, 90-limit unit, 901-limit block I, 9011-limit groove, 902-limit block II, 91-main body portion positioning seat I, 92-main body portion positioning seat II, 93-main body portion positioning seat III, 94-main body portion positioning pin I, 96-main body portion positioning pin II.
Detailed Description
As shown in fig. 2 to 22, the seat tool seam element clamp of the present invention includes a base platen 2 and a workpiece clamping assembly provided on the base platen 2, the workpiece clamping assembly including a main body positioning assembly for supporting and positioning a main body portion 11 of a workpiece, a first clamping unit 3 for clamping a first accessory 12, a second clamping unit 4 for clamping a second accessory 13, a third clamping unit 5 for clamping a third accessory 14, a fourth clamping unit 6 for clamping a fourth accessory 15 and a fifth accessory 16, a fifth clamping unit 7 for clamping a sixth accessory 17, and a sixth clamping unit 8 for clamping a seventh accessory 18.
The main body positioning assembly comprises a main body positioning seat I91, a main body positioning seat II 92, a main body positioning seat III 93, a main body positioning pin I94 and a main body positioning pin II 95 which are sequentially connected to the upper end face of the base platen 2 from left to right, main body positioning pins 96 corresponding to positioning holes of the workpiece main body 11 are respectively arranged on the main body positioning seat I91 and the main body positioning seat II 92, the main body positioning pin I94 and the main body positioning pin II 95 correspond to main body pin holes I111 and main body pin holes II 112 of the workpiece main body 11 respectively, and the workpiece main body 11 is supported on the base platen 2 through the main body positioning assembly and is accurately positioned through the main body positioning pins 96 and the two main body positioning pins.
The first clamping unit 3 is located outside the left end of the workpiece main body 11, the first clamping unit 3 comprises a first clamping cylinder 31, a first cylinder fixing seat 35, a first clamping arm 33 and a first accessory locating seat 36, the first cylinder fixing seat 35 is connected with the upper end face of the base platen 2 close to the side, the first clamping cylinder 31 is fixedly connected with the first cylinder fixing seat 35, the axis of the first clamping cylinder 31 is perpendicular to the base platen 2, one end of the first clamping arm 33 is hinged with a telescopic rod of the first clamping cylinder 31, the position of the middle part of the first clamping arm 33 close to one side of the first clamping cylinder 31 is movably connected with the upper end of the first cylinder fixing seat 35 through a first clamping arm connecting plate 32, the lower side of the end of the first clamping arm 33 far away from one end of the first clamping cylinder 31 is also connected with an accessory pressing block I34 used for pressing the first accessory 12, the first accessory locating seat 36 is connected with the upper end face of the base platen 2 and located at the lower side of the accessory pressing block I34, the upper end face of the first accessory locating seat 36 is provided with a first accessory pressing block 361 matched with the first accessory 12, and the first accessory positioning pin 362 is provided with a first accessory positioning groove 361. One end of the first accessory 12 is positioned on a first accessory positioning groove 361 of the first accessory positioning seat 36 and is matched with a first accessory positioning pin 362, the telescopic rod of the first clamping cylinder 31 extends out, and under the leverage of the first clamping arm 33, an accessory pressing block I34 at the front end of the first clamping arm 33 presses and positions the first accessory 12 on the first accessory positioning seat 36.
The second clamping unit 4 is located at the outer side of the workpiece main body 11 and corresponds to the position of the main body positioning seat II 92, the second clamping unit 4 comprises a second clamping cylinder 41, a second cylinder fixing seat 46, a second clamping arm 44 and a second accessory positioning seat 42, the second cylinder fixing seat 46 is connected with the upper end face of the base platen 2, the second clamping cylinder 41 is fixedly connected with the second cylinder fixing seat 46, the axis of the second clamping cylinder 41 is perpendicular to the base platen 2, one end of the second clamping arm 44 is hinged to a telescopic rod of the second clamping cylinder 41, the middle part of the second clamping arm 44 is movably connected with the upper end of the second cylinder fixing seat 46 through a second clamping arm connecting plate 43, the end part of the second clamping arm 44, which is far away from one end of the second clamping cylinder 41, is also connected with an accessory pressing block II 45 for pressing the second accessory 13, the upper end face of the base platen 2 of the second accessory positioning seat 42 is connected with the lower side of the accessory pressing block II 45, and the upper end face of the second accessory positioning seat 42 is concavely provided with a second accessory positioning groove 421 for positioning the second platen 13. The second accessory 13 is precisely positioned on the second accessory positioning seat 42 through the second accessory positioning groove 421, the telescopic rod of the second clamping cylinder 41 extends out, and under the leverage of the second clamping arm 44, the accessory pressing block II 45 at the front end of the second clamping arm 44 tightly presses and positions the second accessory 13 on the second accessory positioning seat 42.
The third clamping unit 5 is located at the outer side of the workpiece main body 11 and corresponds to the position of the main body positioning seat II 92, the third clamping unit 5 comprises a third clamping cylinder 51, a third cylinder fixing seat 52, a third clamping arm 56 and a third accessory positioning seat 53, the third cylinder fixing seat 52 is connected with the upper end face of the side close to the base platen 2, the third clamping cylinder 51 is fixedly connected with the third cylinder fixing seat 52, the axis of the third clamping cylinder 51 is perpendicular to the base platen 2, one end of the third clamping arm 56 is hinged to a telescopic rod of the third clamping cylinder 51, the position of the middle part of the third clamping arm 56 close to one side of the third clamping cylinder 51 is movably connected with the upper end of the third cylinder fixing seat 52 through a third clamping arm connecting plate 55, the lower side of the end part of the third clamping arm 56 far away from one end of the third clamping cylinder 51 is further connected with an accessory pressing block III 57 used for pressing the third accessory 14, and the third accessory positioning seat 53 is connected with the upper end face of the base platen 2 and located at the lower side of the accessory pressing block III 57. The upper end surface of the third accessory positioning seat 53 is concavely provided with three third accessory positioning grooves 531 for positioning the third accessory 14, and the positions of the three third accessory positioning grooves 531 correspond to the outline of the third accessory 14. The third accessory 14 is positioned on the third accessory positioning seat 53 through the three third accessory positioning grooves 531, and the three third accessory positioning grooves 531 position the third accessory 14, so that the influence of displacement of the third accessory 14 on product precision during welding is effectively avoided; the telescopic rod of the third clamping cylinder 51 extends out, and under the leverage of the third clamping arm 56, the accessory pressing block III 57 at the front end of the third clamping arm 56 compresses and positions the third accessory 14 on the third accessory positioning seat 53.
In addition, the side surface of the front end of the third clamping arm 56 is also connected with a main body pressing block 54 for pressing the main body 11 of the workpiece, the main body pressing block 54 extends to the upper side of the main body 11 of the workpiece, and when the third clamping arm 56 presses the third accessory 14, the main body pressing block 54 also presses the main body 11 of the workpiece on the main body positioning assembly, so that the influence on the product quality caused by displacement of the main body 11 of the workpiece in the welding process is avoided.
The fourth clamping unit 6 is located at the outer side of the workpiece main body 11 and corresponds to the position of the main body positioning seat III 93, the fourth clamping unit 6 comprises a fourth clamping cylinder 61, a fourth cylinder fixing seat 62, a fourth clamping arm 68 and a fourth accessory positioning seat 64, the fourth cylinder fixing seat 62 is connected with the upper end face close to the side of the base platen 2, the fourth clamping cylinder 61 is fixedly connected with the fourth cylinder fixing seat 62, the axis of the fourth clamping cylinder 61 is perpendicular to the base platen 2, one end of the fourth clamping arm 68 is hinged with a telescopic rod of the fourth clamping cylinder 61, the position of the middle part of the fourth clamping arm 68 close to one side of the fourth clamping cylinder 61 is movably connected with the upper end of the fourth cylinder fixing seat 62 through a fourth clamping arm connecting plate 67, the lower side of the end part of the fourth clamping arm 68 far away from one end of the fourth clamping cylinder 61 is also respectively connected with an accessory pressing block IV 65 and an accessory pressing block V66 for pressing the fourth accessory 15 and the fifth accessory 16, the fourth accessory positioning seat 64 is connected with the upper end face of the base platen 2 and is located at the lower side of the accessory pressing block IV 65, the upper end face of the fourth accessory pressing block 64 is provided with a fourth accessory positioning groove 641 corresponding to the position 641 of the fourth accessory positioning groove 641; the accessory pressing block V66 extends to the upper side of the workpiece main body 11, and a fifth accessory positioning pin 69 for positioning the fifth accessory 16 is arranged on the lower end face of the accessory pressing block V66. The fourth accessory 15 is positioned on the fourth accessory positioning seat 64 through three fourth accessory positioning grooves 641, the fifth accessory 16 is placed on a corresponding position on the workpiece main body 11, the telescopic rod of the fourth clamping cylinder 61 extends out, the accessory pressing block IV 65 at the front end of the fourth clamping arm 68 presses and positions the fourth accessory 15 on the fourth accessory positioning seat 64 under the leverage of the fourth clamping arm 68, and meanwhile, the fifth accessory positioning pin 69 at the lower end of the accessory pressing block V66 is matched with the fifth accessory positioning hole 161 of the fifth accessory 16, so that the fifth accessory 16 is pressed and positioned on the workpiece main body 11, and the fourth accessory 15 and the fifth accessory 16 are welded.
The fourth clamping unit 6 further includes a fourth clamping arm limiting groove block 63 for limiting the limiting position of the fourth clamping arm 68 when being pressed down, the fourth clamping arm limiting groove block 63 is located at one side of the fourth clamping arm connecting plate 67 far away from the fourth clamping cylinder 61 and fixedly connected with the upper end of the fourth cylinder fixing seat 62, and by the arrangement of the fourth clamping arm limiting groove block 63, the fifth accessory 16 can be prevented from being damaged by excessive pressing down of the fourth clamping arm 68.
The fifth clamping unit 7 is located at the outer side of the workpiece main body 11 and corresponds to the position of the main body positioning pin i 94, and the fifth clamping unit 7 includes a fifth clamping cylinder 71, a fifth cylinder fixing seat 72, a linkage rod 73 and a fifth accessory positioning seat 74, in this embodiment, the fifth clamping cylinder 71 is a manual cylinder, and a handle 711 capable of manually controlling the movement of the telescopic rod of the fifth clamping cylinder 71 is further connected to the rear end thereof; The middle part of the fifth cylinder fixing seat 72 is provided with a notch 721, the notch 721 penetrates through the upper end face and the lower end face of the fifth cylinder fixing seat 72 and one side face of the notch, the fifth cylinder fixing seat 72 is connected with the upper end face of the base platen 2, the fifth clamping cylinder 71 is fixedly connected with the side face of the fifth cylinder fixing seat 72, which is far away from the workpiece main body part 11, the telescopic rod of the fifth clamping cylinder 71 extends into the notch 721, the rear end of the linkage rod 73 is connected with the telescopic rod of the fifth clamping cylinder 71 through a T-shaped connecting component 75, the front end of the linkage rod 73 extends to the side of the workpiece main body part 11, the T-shaped connecting component 75 comprises a first cylindrical connecting part 751 and a second connecting part 752, one end of the first connecting part 751 is provided with a T-shaped groove 7511 with a T-shaped cross section, and one end of the first connecting part 751 far away from the T-shaped groove 7511 is connected with the linkage rod 73; One end of the second connecting part 752 is provided with a T-shaped connector 7521 matched with the T-shaped groove 7511, and one end of the second connecting part 752 far away from the T-shaped connector 7511 is connected with a telescopic rod of the fifth clamping cylinder 71; the T-shaped connector 751 is inserted into the T-shaped groove 7511 so that the first connecting section 751 is connected to the second connecting section 752, thereby connecting the link bar 73 to the telescopic bar of the fifth clamping cylinder 71; the fifth accessory positioning seat 74 is located at the front side of the telescopic direction of the linkage rod 73 and fixedly connected with the upper end surface of the base platen 2, and a sixth accessory positioning groove 741 for positioning the sixth accessory 17 is provided on the side surface of the fifth accessory positioning seat 74, and a sixth accessory positioning hole 742 corresponding to the accessory through hole 171 of the sixth accessory 17 is provided in the sixth accessory positioning groove 741. When clamping the sixth accessory 17, the sixth accessory 17 is placed in the sixth accessory positioning groove 741 of the fifth accessory positioning seat 74, the linkage rod 73 at the front end of the fifth clamping cylinder 71 is controlled to pass through the accessory through hole 171 of the sixth accessory 17 and is positioned in the sixth accessory positioning hole 742 of the fifth accessory positioning seat 74 through the handle 711, the preliminary clamping and positioning of the sixth accessory 17 are realized, then the fifth clamping cylinder 71 is started to work, and the telescopic rod and the linkage rod 73 of the fifth clamping cylinder 71 keep the sixth accessory 17 pressed and positioned on the fifth accessory positioning seat 74 so as to weld the sixth accessory 17. Because the accessory through hole 171 of the sixth accessory 17 is relatively smaller, the sixth accessory 17 is initially positioned by the linkage rod 73 through manual control, and then the sixth accessory 17 is kept pressed and positioned by the fifth clamping cylinder 71, so that the clamping efficiency and the clamping precision of the sixth accessory 17 can be effectively improved; In addition, the linkage rod 73 is connected with the telescopic rod of the fifth clamping cylinder 71 through the T-shaped connecting assembly 75, the T-shaped connecting assembly 75 is flexibly and adjustably connected, and when the linkage rod 73 is not coaxial with the telescopic rod of the fifth clamping cylinder 71, the linkage rod can be connected in a fine adjustment mode through the T-shaped connecting assembly 75, so that the machining precision requirement on the fifth cylinder fixing seat 72 is reduced.
The sixth clamping unit 8 is located outside the workpiece main body 11 and corresponds to the position of the main body positioning pin II 95, the sixth clamping unit 8 comprises an air cylinder sliding block 81 fixedly connected to the base platen 2, a sliding rail 82 matched with the air cylinder sliding block 81, and a sixth clamping mechanism connected with the sliding rail 82, two ends of the sliding rail 82 are respectively provided with a front end plate 821 and a rear end plate 822, the sixth clamping mechanism comprises a sixth clamping air cylinder 89, a sixth air cylinder fixing seat 84 and a sixth clamping arm 87, the sixth air cylinder fixing seat 84 is connected with the front end plate 821 of the sliding rail 82 through a mounting plate 83, the sixth clamping air cylinder 89 is horizontally arranged on the upper side of the sixth air cylinder fixing seat 84 and fixedly connected with the sixth air cylinder fixing seat 84, the upper end of the sixth clamping arm 87 is hinged with a telescopic rod of the sixth clamping air cylinder 89, the position of the middle part of the sixth clamping arm 87 near the upper end is movably connected with the position of the front side near the upper end of the sixth air cylinder fixing seat 84 through a sixth clamping arm connecting plate 88, the end part of the sixth clamping arm 87 far away from one end of the sixth clamping air cylinder 89 is also connected with a pressing block 84 used for pressing the seventh accessory 18 on the side of the sixth air cylinder fixing seat 84, and the pressing block 84 is further provided with the sixth air cylinder fixing seat 84 is used for pressing the accessory 18 on the front end of the positioning pin II. When the seventh accessory 18 is clamped, the seventh accessory 18 is positioned at the outer side of the main body positioning pin II 95, and then the sliding rail 82 is driven by the air cylinder sliding block 81 to drive the sixth clamping mechanism to move towards the side where the seventh accessory 18 is positioned until the accessory pressing block VII 85 at the front side of the sixth air cylinder fixing seat 84 presses the seventh accessory 18 at the outer side of the main body positioning pin II 95, meanwhile, the telescopic rod of the sixth clamping air cylinder 89 extends out, and under the leverage of the sixth clamping arm 87, the accessory pressing block VI 86 at the front end of the sixth clamping arm 87 presses the upper end of the seventh accessory 18 on the sixth air cylinder fixing seat 84, so that the clamping and positioning of the seventh accessory 18 are realized.
In addition, a limiting unit 90 is further arranged between the rear end plate 822 and the air cylinder sliding block 81, the limiting unit 90 comprises a limiting block I901 connected with the rear end surface of the air cylinder sliding block 81 and a limiting block II 902 connected with the front end surface of the rear end plate 822, the limiting block I901 is provided with a V-shaped limiting groove 9011, and when the sliding rail 82 moves to one side of the main body positioning pin II 95 to compress the seventh accessory 18 outside the main body positioning pin II 95, the limiting block II 902 is matched with the limiting groove 9011 to avoid excessive travel of the sliding rail 82.
It should be noted that the seat tool welding fixture of the present invention adopts two working air paths to control each clamping cylinder, wherein the first clamping cylinder 31, the second clamping cylinder 41, the third clamping cylinder 51 and the fourth clamping cylinder 61 are connected with the high-pressure air station through a first air path valve to form a first working air path, and the fifth clamping cylinder 71, the cylinder sliding block 81 and the sixth clamping cylinder 89 are connected with the high-pressure air station through a second air path valve to form a second working air path.
In addition, the invention also provides a processing method for processing the seat tool welding piece by adopting the seat tool welding piece clamp, which comprises the following specific steps:
Step one: positioning the workpiece main body 11 on a main body positioning assembly, wherein positioning holes of the workpiece main body 11 correspond to main body positioning pins 96 on a main body positioning seat I91 and a main body positioning seat II 92 respectively, and a main body pin hole I111 and a main body pin hole II 112 of the workpiece main body 11 correspond to a main body positioning pin I94 and a main body positioning pin II 95 respectively;
step two: positioning one end of the first accessory 12 on the first accessory positioning groove 361 of the first accessory positioning seat 36 and cooperating with the first accessory positioning pin 362; the second accessory 13 is positioned on the second accessory positioning seat 42 through the second accessory positioning groove 421, and the third accessory 14 is positioned on the third accessory positioning seat 53 through the three third accessory positioning grooves 531; the fourth accessory 15 is positioned on the fourth accessory positioning seat 64 through the three fourth accessory positioning grooves 641, and the fifth accessory 16 is placed at a corresponding position on the workpiece main body 11;
Step three: the telescopic rods of the first clamping cylinder 31, the second clamping cylinder 41, the third clamping cylinder 51 and the fourth clamping cylinder 61 are controlled to extend through the first air circuit valve, so that the first accessory 12, the second accessory 13, the third accessory 14, the fourth accessory 15 and the fifth accessory 16 are respectively pressed and positioned on corresponding positioning seats through the first clamping arm 33, the second clamping arm 44, the third clamping arm 56 and the fourth clamping arm 68;
step four: the sixth accessory 17 is placed in a sixth accessory positioning groove 741 of the fifth accessory positioning seat 74, and the linkage rod 73 at the front end of the fifth clamping cylinder 71 is controlled by the handle 711 to pass through the accessory through hole 171 of the sixth accessory 17 and be positioned in a sixth accessory positioning hole 742 of the fifth accessory positioning seat 74;
Step five: positioning the seventh accessory 18 outside the main body positioning pin II 95, and driving the sixth clamping mechanism to move towards the side where the seventh accessory 18 is positioned by pushing the sliding rail 82 until an accessory pressing block VII 85 at the front side of the sixth cylinder fixing seat 84 presses the seventh accessory 18 outside the main body positioning pin II 95;
Step six: the second air circuit valve controls the fifth clamping air cylinder 71, the air cylinder sliding block 81 and the sixth clamping air cylinder 89 to work, and the telescopic rod of the fifth clamping air cylinder 71 stretches out, so that the linkage rod 73 is driven to keep the sixth accessory 17 to be pressed and positioned on the fifth accessory positioning seat 74; simultaneously, the cylinder sliding block 81 drives the sliding rail 82 to move to the side of the seventh accessory 18 until the accessory pressing block VII 85 keeps the seventh accessory 18 pressed on the outer side of the main body part positioning pin II 95; simultaneously, the telescopic rod of the sixth clamping cylinder 89 extends out, and the upper end of the seventh accessory 18 is pressed on the sixth cylinder fixing seat 84 by the sixth clamping arm 87, so that the clamping and positioning of the seventh accessory 18 are realized;
step seven: starting a welding robot, and welding the first accessory 12, the second accessory 13, the third accessory 14, the fourth accessory 15, the fifth accessory 16, the sixth accessory 17 and the seventh accessory 18 on the workpiece main body part 11 through the welding robot;
step eight: after the welding robot finishes welding, the first air passage valve and the second air passage valve are closed, the clamping units loosen the clamping of the accessory and the workpiece main body part, and the welded seat tool is taken out.
According to the invention, each clamping cylinder is controlled through two working air paths, and the first working air path directly clamps the first accessory 12, the second accessory 13, the third accessory 14, the fourth accessory 15 and the fifth accessory 16, so that the clamping is accurate and quick; the sixth accessory 17 and the seventh accessory 18 are initially positioned manually, and then the second working air circuit controls the corresponding air cylinders to keep clamping the two accessories, so that the clamping precision is effectively improved.
The seat tool welding piece clamp is used for welding the seat tool, and can simultaneously position and clamp the workpiece main body 11 and all accessories, so that automatic welding of a robot is realized, the working efficiency is greatly improved, and the machining precision of products is ensured.
The above embodiments are merely preferred embodiments of the present invention, the structure of the present invention is not limited to the forms of the above embodiments, and any modifications, equivalents, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
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| CN202010029594.4A CN111055068B (en) | 2020-01-13 | 2020-01-13 | A seat tooling welding part fixture and a seat tooling welding part processing method |
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| CN112676743B (en) * | 2020-11-21 | 2022-07-15 | 元创机械(开封)有限公司 | Error-proofing mechanism of pressing clamp and using method thereof |
| CN112935544B (en) * | 2021-02-03 | 2023-06-13 | 佛山市顺德区蚬华多媒体制品有限公司 | Laser welding equipment |
| CN113182749B (en) * | 2021-04-20 | 2023-05-23 | 重庆金丰机械有限公司 | Efficient forming device for trailer hook and processing technology thereof |
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| CN211939625U (en) * | 2020-01-13 | 2020-11-17 | 柳州职业技术学院 | A seat tooling welding fixture |
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| JP4395631B2 (en) * | 2002-09-12 | 2010-01-13 | テイ・エス テック株式会社 | Set jig for welding work of seat back frame |
| CN105458585A (en) * | 2015-12-25 | 2016-04-06 | 重庆瑞霆塑胶有限公司 | Welding fixture for back seat support stiffener |
| CN105834642A (en) * | 2016-04-29 | 2016-08-10 | 柳州煜华科技有限公司 | Method for welding lower connecting plate of driver' seat of automobile |
| CN107825052B (en) * | 2017-12-13 | 2019-07-09 | 重庆朝旺机械制造有限公司 | Six points of seat back frame assembly welding fixtures |
| US20190321924A1 (en) * | 2018-04-19 | 2019-10-24 | Spec Seats Technologies Inc. | Clamp fixture for assembling a foldable chair |
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| CN211939625U (en) * | 2020-01-13 | 2020-11-17 | 柳州职业技术学院 | A seat tooling welding fixture |
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