CN210997181U - Sofa spring frame welding jig - Google Patents

Abstract

The utility model relates to a sofa spring frame welding jig, which comprises a first spring horizontal clamp, a second spring horizontal clamp, a third spring horizontal clamp, a fourth spring horizontal clamp, a first spring bending clamp, a second spring bending clamp, a first spring vertical clamp, a second spring vertical clamp, a third spring vertical clamp, a fourth spring vertical clamp and a fifth spring vertical clamp; can press from both sides tight fixedly respectively to each member in the constitution sofa spring frame, then carry out unified welding by welding robot, make the sofa spring frame quality that the welding came out unified, realize also promoting the production efficiency to sofa spring frame simultaneously to sofa spring frame mass production.

Description

Sofa spring frame welding jig

Technical Field

The utility model relates to a sofa spring frame welding jig.

Background

The existing sofa frame is changed from traditional wood to the existing iron or stainless steel, the sofa frame comprises a sofa seat frame, two sofa armrest frames and a sofa backrest frame, in the process of manufacturing the sofa frame, steel rods are firstly used for welding to form the single seat frame, the armrest frames and the backrest frame, and then all the frames are assembled together to form the whole sofa frame.

As shown in fig. 1, the sofa seat frame is divided into a sofa bottom frame, a sofa spring frame and a sofa back support frame; the production of the sofa spring frame is mainly formed by manually holding the steel rods one by one and welding the steel rods into the whole sofa spring frame, the welding efficiency is very low, the quality of the sofa spring frame welded in a handheld mode is not uniform, and batch operation cannot be realized.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a sofa spring frame welding jig, solve the problem that concatenation packaging efficiency is low in the production of present sofa spring frame.

The utility model provides a technical scheme that its technical problem adopted is:

a sofa spring frame welding fixture comprises a first spring cross rod, a second spring cross rod, a third spring cross rod, a fourth spring cross rod, a first spring bent rod, a second spring bent rod, a first spring upright rod, a second spring upright rod, a third spring upright rod, a fourth spring upright rod and a fifth spring upright rod; the first spring cross rod, the second spring cross rod, the third spring cross rod and the fourth spring cross rod form a rectangular frame, and the first spring bent rod and the second spring bent rod are arranged between the first spring cross rod and the second spring cross rod; the first spring upright rod is arranged below the joint of the first spring cross rod and the third spring cross rod; the second spring upright rod is arranged below the joint of the first spring cross rod and the fourth spring cross rod; the third spring vertical rod is arranged below the joint of the second spring cross rod and the third spring cross rod; the fourth spring vertical rod is arranged below the joint of the second spring cross rod; the fifth spring vertical rod is arranged below the joint of the second spring cross rod and the fourth spring cross rod;

the spring frame welding fixture comprises a first spring transverse fixture, a second spring transverse fixture, a third spring transverse fixture, a fourth spring transverse fixture, a first spring bending fixture, a second spring bending fixture, a first spring vertical fixture, a second spring vertical fixture, a third spring vertical fixture, a fourth spring vertical fixture and a fifth spring vertical fixture;

the first spring cross clamp is suitable for limiting the displacement of the first spring cross rod; the second spring cross clamp is suitable for limiting the displacement of the second spring cross rod; the third spring cross clamp is suitable for limiting the displacement of the third spring cross rod; the fourth spring cross clamp is suitable for limiting the displacement of the fourth spring cross rod;

the first spring bent clamp is suitable for limiting the displacement of the first spring bent rod; the second spring bending clamp is suitable for limiting the displacement of the second spring bending rod;

the first spring vertical clamp is suitable for limiting the displacement of the first spring vertical rod; the second spring vertical clamp is suitable for limiting the displacement of the second spring vertical rod; the third spring vertical clamp is suitable for limiting the displacement of the third spring vertical rod; the fourth spring vertical clamp is suitable for limiting the displacement of the fourth spring vertical rod; the fifth spring vertical clamp is suitable for limiting the displacement of the fifth spring vertical rod.

Furthermore, the first spring transverse clamp comprises a plurality of first spring transverse supporting seats, a first spring transverse cylinder and a second spring transverse cylinder, each first spring transverse supporting seat is suitable for supporting a first spring cross rod, the first spring transverse cylinder is suitable for abutting the first spring cross rod on the first spring transverse supporting seat in the horizontal direction, and the second spring transverse cylinder is suitable for abutting the first spring cross rod on the first spring transverse supporting seat in the vertical direction;

the second spring transverse clamp comprises a plurality of second spring transverse supporting seats, second spring transverse cylinders and second spring transverse electromagnets, each second spring transverse supporting seat is suitable for supporting a second spring transverse rod, each second spring transverse cylinder is suitable for abutting the second spring transverse rod against the corresponding second spring transverse supporting seat in the horizontal direction, and each second spring transverse electromagnet is suitable for adsorbing and fixing the corresponding second spring transverse rod on the corresponding second spring transverse supporting seat in the vertical direction;

the third spring transverse clamp comprises two third spring transverse supporting seats, two third spring transverse cylinders I and a third spring transverse cylinder II, each third spring transverse supporting seat is suitable for supporting a third spring cross rod, the third spring transverse cylinders I are suitable for abutting the third spring cross rods on the third spring transverse supporting seats in the horizontal direction, the third spring transverse cylinders II are suitable for abutting the third spring cross rods on the third spring transverse supporting seats in the vertical direction,

the fourth spring transverse clamp comprises two fourth spring transverse supporting seats, two fourth spring transverse cylinders I and a fourth spring transverse cylinder II, each fourth spring transverse supporting seat is suitable for supporting a fourth spring cross rod, the fourth spring transverse cylinders I are suitable for abutting the fourth spring cross rods on the fourth spring transverse supporting seats in the horizontal direction, the fourth spring transverse cylinders II are suitable for abutting the fourth spring cross rods on the fourth spring transverse supporting seats in the vertical direction,

the first spring bending clamp comprises four first spring bending supporting seats and a first spring bending air cylinder, the four first spring bending supporting seats are suitable for supporting a first spring bending rod, and the first spring bending air cylinder is suitable for enabling the first spring bending rod to be tightly abutted on the first spring bending supporting seats in the vertical direction;

the second spring bending clamp comprises four second spring bending supporting seats and a second spring bending cylinder, the second spring bending supporting seats are suitable for supporting second spring bending rods, and the second spring bending cylinder is suitable for abutting the second spring bending rods against the second spring bending supporting seats in the vertical direction;

the first spring vertical clamp comprises a first spring vertical cylinder, a first spring vertical cylinder and a first spring vertical electromagnet, a first push rod of the first spring vertical cylinder is connected with the first spring vertical electromagnet, the first spring vertical electromagnet is suitable for adsorbing and fixing the first spring vertical rod, so that the first spring vertical rod is arranged at the joint of the first spring cross rod and the third spring cross rod, and the first spring vertical cylinder is suitable for pressing the first spring vertical rod on the first spring vertical electromagnet in the horizontal direction;

the second spring vertical clamp comprises a first spring vertical cylinder, a second spring vertical cylinder and a second spring vertical electromagnet, a first push rod of the second spring vertical cylinder is connected with the second spring vertical electromagnet, the second spring vertical electromagnet is suitable for adsorbing and fixing a second spring vertical rod, so that the second spring vertical rod is arranged at the joint of the first spring cross rod and the fourth spring cross rod, and the second spring vertical cylinder is suitable for pressing the second spring vertical rod on the second spring vertical electromagnet in the horizontal direction;

the third spring vertical clamp comprises a first third spring vertical cylinder, a second third spring vertical cylinder and a third spring vertical electromagnet, a push rod of the first third spring vertical cylinder is connected with the third spring vertical electromagnet, the third spring vertical electromagnet is suitable for adsorbing and fixing the third spring vertical rod, so that the third spring vertical rod is arranged at the joint of the second spring cross rod and the third spring cross rod, and the second third spring vertical cylinder is suitable for pressing the third spring vertical rod on the third spring vertical electromagnet in the horizontal direction;

the fourth spring vertical clamp is a finger cylinder, and the finger cylinder is suitable for clamping a fourth spring vertical rod so as to vertically arrange the fourth spring vertical rod on the second spring cross rod;

the fifth spring vertical fixture comprises a fifth spring vertical cylinder and a fifth spring vertical electromagnet, and the fifth spring vertical electromagnet is suitable for adsorbing and fixing the fifth spring vertical rod so that the fifth spring vertical rod is arranged at the joint of the second spring cross rod and the fourth spring cross rod.

Furthermore, the device also comprises a first end angle supporting block, a second end angle supporting block, a third end angle supporting block and a fourth end angle supporting block;

the first end corner support block is suitable for supporting the joint of the first spring cross bar and the third spring cross bar;

the second end angle support block is suitable for supporting the joint of the first spring cross bar and the fourth spring cross bar;

the third end corner support block is suitable for supporting the joint of the second spring cross bar and the third spring cross bar;

and the fourth end corner support block is suitable for supporting the joint of the second spring cross bar and the fourth spring cross bar.

The utility model has the advantages that:

the utility model provides a sofa spring frame welding jig can press from both sides tight fixedly respectively to each member in the constitution sofa spring frame, then carries out unified welding by welding robot, makes the sofa spring frame quality that the welding came out unified, realizes the mass production to sofa spring frame, also promotes the production efficiency to sofa spring frame simultaneously.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic view of a sofa base frame, a sofa spring frame and a sofa back support frame forming a sofa seat frame;

FIG. 2 is a schematic view of a sofa spring frame welding fixture;

FIG. 3 is a schematic view of the individual clamp-supporting sofa spring frames;

FIG. 4 is a schematic view of each clamp;

wherein,

1. a sofa seat frame;

11. a sofa bottom frame;

111. a first bottom cross bar, 112, a second bottom cross bar, 113, a third bottom cross bar, 114, a fourth bottom cross bar, 115, a fifth bottom cross bar, 116, a first bottom upright, 117, a second bottom upright, 118, a third bottom upright;

12. a sofa spring frame;

1201. a first spring crossbar 1202, a second spring crossbar 1203, a third spring crossbar 1204, a fourth spring crossbar 1205, a first spring bent rod 1206, a second spring bent rod 1207, a first spring upright rod 1208, a second spring upright rod 1209, a third spring upright rod 1210, a fourth spring upright rod 1211 and a fifth spring upright rod;

13. a sofa back support frame;

1301. first rear support cross bar, 1302, second rear support cross bar, 1303, third rear support cross bar, 1304, fourth rear support cross bar, 1305, fifth rear support cross bar, 1306, first rear support upright, 1307, second rear support upright, 1308, third rear support upright, 1309, fourth rear support upright, 1310, fifth rear support upright, 1311, sixth rear support upright, 1312, seventh rear support upright, 1313, first rear support diagonal, 1314, second rear support diagonal;

21. the device comprises a first spring transverse clamp 211, a first spring transverse support seat 212, a first spring transverse cylinder I, a first spring transverse cylinder 213 and a first spring transverse cylinder II;

22. a second spring transverse clamp 221, a second spring transverse support seat 222, a second spring transverse cylinder 223 and a second spring transverse electromagnet;

23. a third spring transverse clamp 231, a third spring transverse support seat 232, a third spring transverse cylinder I, 233 and a third spring transverse cylinder II;

24. a fourth spring transverse clamp 241, a fourth spring transverse support base 242, a fourth spring transverse cylinder I, 243 and a fourth spring transverse cylinder II;

25. a first spring bending clamp 251, a first spring bending support seat 252 and a first spring bending cylinder;

26. a second spring bending clamp 261, a second spring bending support base 262 and a second spring bending cylinder;

27. the first spring vertical clamp 271, the first spring vertical cylinder I, 272, the first spring vertical cylinder II, 273 and the first spring vertical electromagnet;

28. a second spring vertical clamp 281, a first spring vertical cylinder 282, a second spring vertical cylinder 283 and a second spring vertical electromagnet;

29. a third spring vertical clamp 291, third spring vertical cylinders I and 292, third spring vertical cylinders II and 293 and a third spring vertical electromagnet;

210. a fourth spring vertical clamp 2101 and a finger cylinder;

31. a fifth spring vertical clamp; 311. a fifth spring vertical cylinder 312 and a fifth spring vertical electromagnet;

32. welding a bottom plate; 33. a first slide plate, 34, a second slide plate, 35, a third slide plate, 36, a fourth slide plate;

381. a first end corner support block;

382. a second end corner support block;

383. a third corner support block;

384. and a fourth end corner support block.

Detailed Description

The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, a sofa seat frame 1 includes a sofa bottom frame 11, a sofa spring frame 12 and a sofa back support frame 13;

the sofa bottom frame 11 comprises a first bottom cross bar 111, a second bottom cross bar 112, a third bottom cross bar 113, a fourth bottom cross bar 114, a fifth bottom cross bar 115, a first bottom vertical rod 116, a second bottom vertical rod 117 and a third bottom vertical rod 118; the first bottom upright stanchion 116 is vertically arranged at the joint of the second bottom upright stanchion and the fourth bottom upright stanchion, the second bottom upright stanchion 117 is vertically arranged on the second bottom cross stanchion 112, the third bottom upright stanchion 118 is vertically arranged at the joint of the second bottom cross stanchion and the fifth bottom cross stanchion, and the third bottom cross stanchion 113 is transversely arranged at the upper ends of the first bottom upright stanchion, the second bottom upright stanchion and the third bottom cross stanchion;

the sofa spring frame 12 comprises a first spring crossbar 1201, a second spring crossbar 1202, a third spring crossbar 1203, a fourth spring crossbar 1204, a first spring bent bar 1205, a second spring bent bar 1206, a first spring upright 1207, a second spring upright 1208, a third spring upright 1209, a fourth spring upright 1210, and a fifth spring upright 1211; the first spring cross bar 1201, the second spring cross bar 1202, the third spring cross bar 1203 and the fourth spring cross bar 1204 form a rectangular frame, and the first spring curved bar 1205 and the second spring curved bar 1206 are arranged between the first spring cross bar 1201 and the second spring cross bar 1202; the first spring upright 1207 is arranged below the joint of the first spring cross bar 1201 and the third spring cross bar 1203; the second spring upright 1208 is arranged below the joint of the first spring cross rod 1201 and the fourth spring cross rod 1204; the third spring upright 1209 is disposed below the junction of the second spring crossbar 1202 and the third spring crossbar 1203; the fourth spring upright 1210 is disposed below the junction of the second spring cross bar 1202; the fifth spring upright 1211 is disposed below the intersection of the second spring rail 1202 and the fourth spring rail 1204;

the sofa back-support frame 13 comprises a first back-support cross bar 1301, a second back-support cross bar 1302, a third back-support cross bar 1303, a fourth back-support cross bar 1304, a fifth back-support cross bar 1305, a first back-support upright bar 1306, a second back-support upright bar 1307, a third back-support upright bar 1308, a fourth back-support upright bar 1309, a fifth back-support upright bar 1310, a sixth back-support upright bar 1311, a seventh back-support upright bar 1312, a first back-support inclined bar 1313 and a second back-support inclined bar 1314;

the first rear support cross bar 1301, the second rear support cross bar 1302, the third rear support cross bar 1303 and the fifth rear support cross bar 1305 form a rectangular frame, and the fourth rear support cross bar 1304 is arranged between the first rear support cross bar 1301 and the second rear support cross bar 1302;

the first rear support upright 1306 is arranged below the joint of the first rear support cross bar 1301 and the third rear support cross bar 1303;

the second rear support upright 1307 is disposed below the first rear support cross bar 1301;

the third rear support upright 1308 is arranged below the joint of the first rear support cross bar 1301 and the fifth rear support cross bar 1305;

the fourth rear support upright 1309 is arranged below the joint of the second rear support cross bar 1302 and the third rear support cross bar 1303;

the fifth rear support upright 1310 is disposed below the junction of the second rear support crossbar 1302 and the fifth rear support crossbar 1305;

the sixth rear support upright 1311 is disposed below the second rear support cross bar 1302, and the first rear support diagonal 1313 is connected to the sixth rear support upright 1311;

the seventh rear supporting vertical rod 1312 is arranged below the second rear supporting cross rod 1302, and the second rear supporting inclined rod 1314 is connected with the seventh rear supporting vertical rod 1312;

the present embodiment is mainly directed to the clamping operation of each rod of the sofa spring frame 12;

as shown in fig. 2 to 4, a sofa spring frame welding jig comprises a first spring cross bar 1201, a second spring cross bar 1202, a third spring cross bar 1203, a fourth spring cross bar 1204, a first spring bent bar 1205, a second spring bent bar 1206, a first spring upright 1207, a second spring upright 1208, a third spring upright 1209, a fourth spring upright 1210 and a fifth spring upright 1211; the first spring cross bar 1201, the second spring cross bar 1202, the third spring cross bar 1203 and the fourth spring cross bar 1204 form a rectangular frame, and the first spring curved bar 1205 and the second spring curved bar 1206 are arranged between the first spring cross bar 1201 and the second spring cross bar 1202; the first spring upright 1207 is arranged below the joint of the first spring cross bar 1201 and the third spring cross bar 1203; the second spring upright 1208 is arranged below the joint of the first spring cross rod 1201 and the fourth spring cross rod 1204; the third spring upright 1209 is disposed below the junction of the second spring crossbar 1202 and the third spring crossbar 1203; the fourth spring upright 1210 is disposed below the junction of the second spring cross bar 1202; the fifth spring upright 1211 is disposed below the intersection of the second spring rail 1202 and the fourth spring rail 1204;

the spring frame welding fixture comprises a first spring transverse fixture 21, a second spring transverse fixture 22, a third spring transverse fixture 23, a fourth spring transverse fixture 24, a first spring bending fixture 25, a second spring bending fixture 26, a first spring vertical fixture 27, a second spring vertical fixture 28, a third spring vertical fixture 29, a fourth spring vertical fixture 210 and a fifth spring vertical fixture 31;

the first spring cross clamp 21 is adapted to limit displacement of the first spring crossbar 1201; the second spring cross clamp 22 is adapted to limit displacement of the second spring cross bar 1202; the third spring cross clamp 23 is adapted to limit the displacement of the third spring crossbar 1203; the fourth spring cross clamp 24 is adapted to limit the displacement of the fourth spring cross bar 1204;

the first spring bending clamp 25 is adapted to limit displacement of the first spring bending rod 1205; the second spring bending clamp 26 is suitable for limiting the displacement of the second spring bending rod 1206;

the first spring upright clamp 27 is adapted to limit the displacement of the first spring upright 1207; the second spring vertical clamp 28 is adapted to limit the displacement of the second spring vertical rod 1208; the third spring vertical clamp 29 is adapted to limit the displacement of the third spring vertical pole 1209; the fourth spring vertical clamp 210 is suitable for limiting the displacement of the fourth spring vertical rod 1210; the fifth spring upright clamp 31 is adapted to limit the displacement of the fifth spring upright 1211.

Specifically, the first spring transverse clamp 21 includes a plurality of first spring transverse support seats 211, first spring transverse cylinders 212 and first spring transverse cylinders 213, each of the first spring transverse support seats 211 is linearly distributed, each of the first spring transverse support seats 211 is adapted to support a first spring cross bar 1201, the first spring transverse cylinders 212 are adapted to horizontally abut the first spring cross bars 1201 against the first spring transverse support seats 211, and the first spring transverse cylinders 213 are adapted to vertically abut the first spring cross bars 1201 against the first spring transverse support seats 211;

the second spring lateral clamp 22 includes a plurality of second spring lateral support bases 221, second spring lateral cylinders 222, and second spring lateral electromagnets 223, each of the second spring lateral support bases 221 is linearly distributed, each of the second spring lateral support bases 221 is adapted to support a second spring lateral rod 1202, the second spring lateral cylinders 222 are adapted to tightly abut the second spring lateral rods 1202 on the second spring lateral support bases 221 in the horizontal direction, and the second spring lateral electromagnets 223 are adapted to fixedly attach the second spring lateral rods 1202 on the second spring lateral support bases 221 in the vertical direction;

the third spring horizontal clamp 23 comprises two third spring horizontal supporting seats 231, two third spring horizontal cylinders one 232 and a third spring horizontal cylinder two 233, each of the third spring horizontal supporting seats 231 is adapted to support a third spring crossbar 1203, the third spring horizontal cylinders one 232 are adapted to horizontally abut the third spring crossbar 1203 against the third spring horizontal supporting seats 231, the third spring horizontal cylinders two 233 are adapted to vertically abut the third spring crossbar 1203 against the third spring horizontal supporting seats 231,

the fourth spring lateral clamp 24 includes two fourth spring lateral support seats 241, two fourth spring lateral cylinders one 242, and a fourth spring lateral cylinder two 243, each of the fourth spring lateral support seats 241 is adapted to support the fourth spring cross bar 1204, the fourth spring lateral cylinders one 242 is adapted to horizontally abut the fourth spring cross bar 1204 against the fourth spring lateral support seats 241, the fourth spring lateral cylinders two 243 is adapted to vertically abut the fourth spring cross bar 1204 against the fourth spring lateral support seats 241,

the first spring bending clamp 25 comprises four first spring bending supporting seats 251 and a first spring bending air cylinder 252, wherein the four first spring bending supporting seats 251 are suitable for supporting the first spring bending rod 1205, and the first spring bending air cylinder 252 is suitable for pressing the first spring bending rod 1205 against the first spring bending supporting seats 251 in the vertical direction;

the second spring bending clamp 26 comprises four second spring bending supporting seats 261 and a second spring bending cylinder 262, the second spring bending supporting seats 261 are suitable for supporting a second spring bending rod 1206, and the second spring bending cylinder 262 is suitable for abutting the second spring bending rod 1206 on the second spring bending supporting seats 261 in the vertical direction;

the first spring vertical clamp 27 comprises a first spring vertical cylinder 271, a second spring vertical cylinder 272 and a first spring vertical electromagnet 273, wherein a push rod of the first spring vertical cylinder 271 is connected with the first spring vertical electromagnet 273, the first spring vertical electromagnet 273 is suitable for adsorbing and fixing a first spring vertical rod 1207, so that the first spring vertical rod 1207 is arranged at the joint of the first spring cross rod 1201 and the third spring cross rod 1203, and the first spring vertical cylinder 272 is suitable for pressing the first spring vertical rod 1207 on the first spring vertical electromagnet 273 in the horizontal direction;

the second spring vertical clamp 28 comprises a second spring vertical cylinder 281, a second spring vertical cylinder 282 and a second spring vertical electromagnet 283, a push rod of the second spring vertical cylinder 281 is connected with the second spring vertical electromagnet 283, the second spring vertical electromagnet 283 is suitable for adsorbing and fixing a second spring vertical rod 1208, so that the second spring vertical rod 1208 is arranged at the joint of the first spring cross rod 1201 and the fourth spring cross rod 1204, and the second spring vertical cylinder 282 is suitable for pressing the second spring vertical rod 1208 on the second spring vertical electromagnet 283 in the horizontal direction;

the third spring vertical clamp 29 comprises a third spring vertical cylinder 291, a third spring vertical cylinder 292 and a third spring vertical electromagnet 293, the push rod of the third spring vertical cylinder 291 is connected with the third spring vertical electromagnet 293, the third spring vertical electromagnet 293 is suitable for adsorbing and fixing the third spring vertical rod 1209, so that the third spring vertical rod 1209 is arranged at the joint of the second spring cross rod 1202 and the third spring cross rod 1203, and the third spring vertical cylinder 292 is suitable for pressing the third spring vertical rod 1209 on the third spring vertical electromagnet 293 in the horizontal direction;

the fourth spring vertical clamp 210 is a finger cylinder 2101, and the finger cylinder 2101 is suitable for clamping a fourth spring vertical rod 1210 so that the fourth spring vertical rod 1210 is vertically arranged on the second spring cross rod 1202;

the fifth spring vertical clamp 31 includes a fifth spring vertical cylinder 311 and a fifth spring vertical electromagnet 312, and the fifth spring vertical electromagnet 312 is adapted to fixedly attract the fifth spring vertical rod 1211, so that the fifth spring vertical rod 1211 is disposed at the joint of the second spring transverse rod 1202 and the fourth spring transverse rod 1204.

In order to realize stable support of each spring crossbar, the welding fixture of the present invention further comprises a first end angle support block 381, a second end angle support block 382, a third end angle support block 383, and a fourth end angle support block 384;

the first end corner support block 381 is adapted to support the intersection of the first spring crossbar 1201 and the third spring crossbar 1203;

the second end corner support block 382 is adapted to support the intersection of the first spring crossbar 1201 and the fourth spring crossbar 1204;

the third corner support block 383 is adapted to support the junction of the second spring rail 1202 and the third spring rail 1203;

the fourth end corner support block 384 is adapted to support the intersection of the second spring crossbar 1202 and the fourth spring crossbar 1204.

The welding jig of the embodiment, in order to adapt to sofa spring frames with different lengths, further comprises a welding bottom plate 32, a first sliding plate 33, a second sliding plate 34, a third sliding plate 35 and a fourth sliding plate 36, wherein the welding bottom plate 32 is provided with sliding rails on which the four sliding plates move,

the second vertical spring clamp 28, the fourth vertical spring clamp 210, the fourth transverse spring clamp 24, the fifth vertical spring clamp 31, the second end angle supporting block 382 and the fourth end angle supporting block 384 are all arranged on the first sliding plate 33;

the second spring bending clamp 26 is mounted on the second slide plate 34; the first spring bending clamp 25 is mounted on the second sliding plate 34;

the first spring vertical clamp 27, the third spring vertical clamp 29, the third spring transverse clamp 23, the first end angle supporting block 381 and the third end angle supporting block 383 are all installed on the fourth sliding plate 36;

during operation, the feeding robot firstly places the first spring cross bar 1201 on each first spring cross support seat 211 of the first spring cross clamp 21, and the first spring cross cylinder one 212 and the first spring cross cylinder two 213 tightly press the first spring cross bar 1201;

then, a third spring cross rod 1203 is placed on the third spring cross support seat 231, and the third spring cross cylinder I232 and the third spring cross cylinder II 233 clamp the third spring cross rod 1203 on the third spring cross support seat 231;

then, the fourth spring cross rod 1204 is placed on the fourth spring cross support 241, and the fourth spring cross cylinder one 242 and the fourth spring cross cylinder two 243 clamp the fourth spring cross rod 1204 on the fourth spring cross support 241;

then, the first spring bent rods 1205 are placed on the first spring bent support bases 251, and the first spring bent air cylinders 252 press the first spring bent rods 1205 on the first spring bent support bases 251;

then, the second spring bent rods 1206 are placed on the second spring bent supporting seats 261, and the second spring bent cylinders 262 press the second spring bent rods 1206 on the second spring bent supporting seats 261;

then, the second spring cross bars 1202 are placed on the second spring cross support seats 221 of the second spring cross clamp 22, the second spring cross cylinders 222 fix the second spring cross bars 1202 in the horizontal direction, and the second spring cross electromagnets 223 fix the second spring cross bars 1202 in the vertical direction in an adsorption manner;

two ends of the third spring cross bar 1203, the fourth spring cross bar 1204, the first spring bent bar 1205 and the second spring bent bar 1206 are abutted between the first spring cross bar 1201 and the second spring cross bar 1202;

finally, the five spring upright rods are placed at corresponding positions and clamped by respective spring upright clamps.

The utility model discloses a sofa spring frame welding jig can press from both sides tight fixedly respectively to each member in the constitution sofa spring frame, then carries out unified welding by welding robot, makes the sofa spring frame quality that the welding came out unified, realizes the sofa spring frame mass production, also promotes the production efficiency to sofa spring frame simultaneously.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (3)

1. A sofa spring frame welding clamp is characterized in that,

the sofa spring frame comprises a first spring cross rod, a second spring cross rod, a third spring cross rod, a fourth spring cross rod, a first spring bent rod, a second spring bent rod, a first spring vertical rod, a second spring vertical rod, a third spring vertical rod, a fourth spring vertical rod and a fifth spring vertical rod; the first spring cross rod, the second spring cross rod, the third spring cross rod and the fourth spring cross rod form a rectangular frame, and the first spring bent rod and the second spring bent rod are arranged between the first spring cross rod and the second spring cross rod; the first spring upright rod is arranged below the joint of the first spring cross rod and the third spring cross rod; the second spring upright rod is arranged below the joint of the first spring cross rod and the fourth spring cross rod; the third spring vertical rod is arranged below the joint of the second spring cross rod and the third spring cross rod; the fourth spring vertical rod is arranged below the joint of the second spring cross rod; the fifth spring vertical rod is arranged below the joint of the second spring cross rod and the fourth spring cross rod;

the spring frame welding fixture comprises a first spring transverse fixture, a second spring transverse fixture, a third spring transverse fixture, a fourth spring transverse fixture, a first spring bending fixture, a second spring bending fixture, a first spring vertical fixture, a second spring vertical fixture, a third spring vertical fixture, a fourth spring vertical fixture and a fifth spring vertical fixture;

the first spring cross clamp is suitable for limiting the displacement of the first spring cross rod; the second spring cross clamp is suitable for limiting the displacement of the second spring cross rod; the third spring cross clamp is suitable for limiting the displacement of the third spring cross rod; the fourth spring cross clamp is suitable for limiting the displacement of the fourth spring cross rod;

the first spring bent clamp is suitable for limiting the displacement of the first spring bent rod; the second spring bending clamp is suitable for limiting the displacement of the second spring bending rod;

the first spring vertical clamp is suitable for limiting the displacement of the first spring vertical rod; the second spring vertical clamp is suitable for limiting the displacement of the second spring vertical rod; the third spring vertical clamp is suitable for limiting the displacement of the third spring vertical rod; the fourth spring vertical clamp is suitable for limiting the displacement of the fourth spring vertical rod; the fifth spring vertical clamp is suitable for limiting the displacement of the fifth spring vertical rod.

2. The sofa spring frame welding jig of claim 1,

the first spring transverse clamp comprises a plurality of first spring transverse supporting seats, a first spring transverse cylinder I and a first spring transverse cylinder II, each first spring transverse supporting seat is suitable for supporting a first spring cross rod, the first spring transverse cylinder I is suitable for abutting the first spring cross rod on the first spring transverse supporting seat in the horizontal direction, and the first spring transverse cylinder II is suitable for abutting the first spring cross rod on the first spring transverse supporting seat in the vertical direction;

the second spring transverse clamp comprises a plurality of second spring transverse supporting seats, second spring transverse cylinders and second spring transverse electromagnets, each second spring transverse supporting seat is suitable for supporting a second spring transverse rod, each second spring transverse cylinder is suitable for abutting the second spring transverse rod against the corresponding second spring transverse supporting seat in the horizontal direction, and each second spring transverse electromagnet is suitable for adsorbing and fixing the corresponding second spring transverse rod on the corresponding second spring transverse supporting seat in the vertical direction;

the third spring transverse clamp comprises two third spring transverse supporting seats, two third spring transverse cylinders I and a third spring transverse cylinder II, each third spring transverse supporting seat is suitable for supporting a third spring cross rod, the third spring transverse cylinders I are suitable for abutting the third spring cross rods on the third spring transverse supporting seats in the horizontal direction, the third spring transverse cylinders II are suitable for abutting the third spring cross rods on the third spring transverse supporting seats in the vertical direction,

the fourth spring transverse clamp comprises two fourth spring transverse supporting seats, two fourth spring transverse cylinders I and a fourth spring transverse cylinder II, each fourth spring transverse supporting seat is suitable for supporting a fourth spring cross rod, the fourth spring transverse cylinders I are suitable for abutting the fourth spring cross rods on the fourth spring transverse supporting seats in the horizontal direction, the fourth spring transverse cylinders II are suitable for abutting the fourth spring cross rods on the fourth spring transverse supporting seats in the vertical direction,

the first spring bending clamp comprises four first spring bending supporting seats and a first spring bending air cylinder, the four first spring bending supporting seats are suitable for supporting a first spring bending rod, and the first spring bending air cylinder is suitable for enabling the first spring bending rod to be tightly abutted on the first spring bending supporting seats in the vertical direction;

the second spring bending clamp comprises four second spring bending supporting seats and a second spring bending cylinder, the second spring bending supporting seats are suitable for supporting second spring bending rods, and the second spring bending cylinder is suitable for abutting the second spring bending rods against the second spring bending supporting seats in the vertical direction;

the first spring vertical clamp comprises a first spring vertical cylinder, a first spring vertical cylinder and a first spring vertical electromagnet, a first push rod of the first spring vertical cylinder is connected with the first spring vertical electromagnet, the first spring vertical electromagnet is suitable for adsorbing and fixing the first spring vertical rod, so that the first spring vertical rod is arranged at the joint of the first spring cross rod and the third spring cross rod, and the first spring vertical cylinder is suitable for pressing the first spring vertical rod on the first spring vertical electromagnet in the horizontal direction;

the second spring vertical clamp comprises a first spring vertical cylinder, a second spring vertical cylinder and a second spring vertical electromagnet, a first push rod of the second spring vertical cylinder is connected with the second spring vertical electromagnet, the second spring vertical electromagnet is suitable for adsorbing and fixing a second spring vertical rod, so that the second spring vertical rod is arranged at the joint of the first spring cross rod and the fourth spring cross rod, and the second spring vertical cylinder is suitable for pressing the second spring vertical rod on the second spring vertical electromagnet in the horizontal direction;

the third spring vertical clamp comprises a first third spring vertical cylinder, a second third spring vertical cylinder and a third spring vertical electromagnet, a push rod of the first third spring vertical cylinder is connected with the third spring vertical electromagnet, the third spring vertical electromagnet is suitable for adsorbing and fixing the third spring vertical rod, so that the third spring vertical rod is arranged at the joint of the second spring cross rod and the third spring cross rod, and the second third spring vertical cylinder is suitable for pressing the third spring vertical rod on the third spring vertical electromagnet in the horizontal direction;

the fourth spring vertical clamp is a finger cylinder, and the finger cylinder is suitable for clamping a fourth spring vertical rod so as to vertically arrange the fourth spring vertical rod on the second spring cross rod;

the fifth spring vertical fixture comprises a fifth spring vertical cylinder and a fifth spring vertical electromagnet, and the fifth spring vertical electromagnet is suitable for adsorbing and fixing the fifth spring vertical rod so that the fifth spring vertical rod is arranged at the joint of the second spring cross rod and the fourth spring cross rod.

3. The sofa spring frame welding jig of claim 2, further comprising a first end corner support block, a second end corner support block, a third end corner support block, and a fourth end corner support block;

the first end corner support block is suitable for supporting the joint of the first spring cross bar and the third spring cross bar;

the second end angle support block is suitable for supporting the joint of the first spring cross bar and the fourth spring cross bar;

the third end corner support block is suitable for supporting the joint of the second spring cross bar and the third spring cross bar;

and the fourth end corner support block is suitable for supporting the joint of the second spring cross bar and the fourth spring cross bar.

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