CN211052962U - Step-by-step welding die - Google Patents
Step-by-step welding die Download PDFInfo
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- CN211052962U CN211052962U CN201921693480.9U CN201921693480U CN211052962U CN 211052962 U CN211052962 U CN 211052962U CN 201921693480 U CN201921693480 U CN 201921693480U CN 211052962 U CN211052962 U CN 211052962U
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Abstract
The utility model discloses a step-by-step welding mould, which comprises an upper mould and a lower mould, wherein the upper mould can move relative to the lower mould, and the upper mould can position a first workpiece and a second workpiece; the upper die is provided with a first welding area and a second welding area, and the first welding area and the second welding area are both provided with a plurality of laser transmission holes; after the first workpiece and the second workpiece are positioned, the second workpiece is abutted against the recessed wall of the first workpiece; the welding point of the first workpiece and the second workpiece is provided with a plurality of welding points, one part of welding points are welded in the first welding area, the other part of welding points are welded in the second welding area, and the plurality of welding points are welded in a partitioning and stepping mode, so that the generation of insufficient welding is effectively reduced, and the welding quality and efficiency are improved.
Description
Technical Field
The utility model relates to a welding machine technical field, in particular to substep welding mould.
Background
During laser welding, the size of the laser through hole is generally smaller so as to protect a non-welding area from being damaged, welding slag during welding easily blocks the laser through hole to cause phenomena of insufficient welding or poor welding and the like, the laser through hole needs to be frequently cleaned, manpower is wasted, production efficiency is reduced, and particularly when multi-point welding is carried out on the same area, phenomena of insufficient welding and the like are more serious.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a substep welding mould is equipped with two weld zones, carries out subregion substep welding to the different solder joints of work piece welding department, improves welding quality and efficiency, has solved a plurality of solder joints when same solder joint welds, easily produces the problem of bad phenomena such as rosin joint.
To achieve the purpose, the utility model adopts the following technical proposal:
the step-by-step welding die comprises an upper die and a lower die, wherein the upper die can move relative to the lower die, and the upper die can position a first workpiece and a second workpiece;
the upper die is provided with a first welding area and a second welding area, and the first welding area and the second welding area are both provided with a plurality of laser transmission holes;
after the first workpiece and the second workpiece are positioned, the second workpiece is abutted against the recessed wall of the first workpiece;
a plurality of welding spots are arranged at the welding position of the first workpiece and the second workpiece, one part of welding spots are welded in the first welding area, and the other part of welding spots are welded in the second welding area.
Therefore, the second workpiece is welded on the first workpiece through the welding spots, one part of welding spots is welded in the first welding zone in advance, then the two workpieces are synchronously fed to the second welding zone, the other part of the welding spots are welded, the welding spots are divided into two groups to be welded in different welding zones, the problem that poor phenomena such as false welding are prone to occurring when the welding spots are welded in the same welding zone is solved, meanwhile, less welding slag is generated in the zone welding, the frequency of cleaning the welding slag is reduced, the problem that the welding slag blocks laser penetration holes, and poor welding is caused is solved. Moreover, if the first welding area has insufficient welding or bad welding, the second welding area can be subjected to proper repair welding to ensure the welding quality.
In some embodiments, a first transverse welding point, a second transverse welding point, a first vertical welding point and a second vertical welding point are arranged at the welding position of the first workpiece and the second workpiece, the first transverse welding point and the second transverse welding point are welded in the first welding area, and the first vertical welding point and the second vertical welding point are welded in the second welding area.
Therefore, the four welding spots are divided into two parts for step-by-step welding, the first transverse welding spot and the second transverse welding spot are welded in the first welding zone, the first vertical welding spot and the second vertical welding spot are welded in the second welding zone, and the step-by-step welding mode can reduce insufficient welding, reduce welding slag blockage and improve welding quality and welding efficiency.
In some embodiments, the first workpieces are arranged in two rows along the length direction of the big material belt; the second workpieces are orderly arranged in two rows along the length direction of the small material belt; the small material belt is placed above the middle part of the large material belt.
Therefore, the first workpiece and the second workpiece are connected to the corresponding large material belt and the corresponding small material belt in a two-row arrangement mode respectively, feeding of the workpieces is facilitated, and production efficiency is improved.
In some embodiments, the upper die is provided with a first positioning needle and a second positioning needle, the first positioning needle is fixed on the upper die, and the second positioning needle can move relative to the upper die under the driving of the first air cylinder;
the edge part of big material area is equipped with the first locating hole with first pilot pin matched with, and the middle part of little material area is equipped with the second locating hole with second pilot pin matched with.
From this, first pilot pin is used for fixing a position big material area, and the second pilot pin is used for fixing a position little material area, realizes the location to first work piece and second work piece, and first pilot pin is fixed in the mould, along with mould synchronous motion, and the second pilot pin can move for last mould under the drive of first cylinder, and first pilot pin and second pilot pin can fix a position the material area in step, also can fix a position the material area asynchronously, improve welding jig's suitability.
In some embodiments, the upper mold is provided with a top break block, and the top break block is connected with the output end of the third cylinder. Therefore, the workpiece is ejected and separated from the material belt by the ejection breaking block, and the workpiece is conveniently taken out and the material belt is conveniently recycled.
In some embodiments, the upper die is further provided with a second air cylinder, and an output end of the second air cylinder is connected with the upper die. Therefore, the upper die realizes die opening and die closing movement through the driving of the second air cylinder.
In some embodiments, the upper mold is provided with argon gas holes. Therefore, the argon hole can release argon, the welding position is protected from being oxidized easily, and the welding quality is improved.
In some embodiments, the upper mold is provided with an argon gas flow channel, one end of the argon gas hole is communicated with the argon gas flow channel, and the other end of the argon gas hole is communicated with the laser penetration hole. Therefore, argon is directly sprayed out of the laser transmission hole from the argon hole through the argon flow channel, and the welding part can be protected more quickly and fully.
The utility model has the advantages that: the second workpiece is connected to the first workpiece through four welding spots, the first transverse welding spot and the second transverse welding spot are welded in the first welding area, and the first vertical welding spot and the second vertical welding spot are welded in the second welding area, so that the partitioned step-by-step welding is realized, the insufficient welding is reduced, the blockage of welding slag is reduced, the welding quality is ensured, and the welding efficiency is improved;
moreover, the second welding area can repair welding the phenomena of insufficient soldering and the like of the first welding area, so that the welding quality is further improved, and the welding drawing force is improved.
Drawings
FIG. 1 is a front view of the step-by-step welding mold of the present invention;
FIG. 2 is a top view of the step welding mold of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a structural diagram of the first workpiece and the large band of the step-by-step welding mold of the present invention;
FIG. 5 is a drawing of a feed structure of the first and second workpieces of the step-by-step welding die of the present invention;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
FIG. 7 is a view of the welding structure of the first and second workpieces of the step-by-step welding mold of the present invention;
FIG. 8 is a view of a partially enlarged solder joint at C of FIG. 7;
wherein: 1, mounting a mold; 11-laser through holes; 12-argon vent; 13-a first locator pin; 14-a first cylinder; 15-a second locator pin; 16-argon gas flow channel; 2-lower mould; 21-a second cylinder; 22-top breaking block; 23-a third cylinder; 31-a first workpiece; 311-a recessed wall; 32-big material belt; 321-a first locating hole; 41-a second workpiece; 42-small material belt; 421-second positioning hole; 51-a first land; 52-second land; 61-a first transverse weld; 62-second transverse welding points; 71-a first vertically positioned solder joint; 72-second vertical solder joint.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, the step welding die includes an upper die 1 and a lower die 2, the upper die 1 is capable of moving relative to the lower die 2, and the upper die 1 is capable of positioning a first workpiece 31 and a second workpiece 41;
the upper die 1 is provided with a first welding area 51 and a second welding area 52, and the first welding area 51 and the second welding area 52 are both provided with a plurality of laser transmission holes 11;
after the first workpiece 31 and the second workpiece 41 are both positioned, the second workpiece 41 abuts against the recessed wall 311 of the first workpiece 31;
a plurality of welding spots are arranged at the welding position of the first workpiece 31 and the second workpiece 41, one part of the welding spots is welded at the first welding area 51, and the other part of the welding spots is welded at the second welding area 52.
Further, as shown in fig. 8, a first transverse welding point 61, a second transverse welding point 62, a first vertical welding point 71 and a second vertical welding point 72 are arranged at the welding position of the first workpiece 31 and the second workpiece 41, the first transverse welding point 61 and the second transverse welding point 62 are welded at the first welding area 51, and the first vertical welding point 71 and the second vertical welding point 72 are welded at the second welding area 52.
Further explaining, as shown in fig. 4 to 6, the first workpieces 31 are arranged in two rows in order along the length direction of the large belt 32; the second workpieces 41 are orderly arranged in two rows along the length direction of the small material belt 42; the small strip of material 42 is placed over the middle of the large strip of material 32.
Further, the upper die 1 is provided with a first positioning pin 13 and a second positioning pin 15, the first positioning pin 13 is fixed on the upper die 1, and the second positioning pin 15 can move relative to the upper die 1 under the driving of the first cylinder 14;
the edge of the large material belt 32 is provided with a first positioning hole 321 matched with the first positioning needle 13, and the middle of the small material belt 42 is provided with a second positioning hole 421 matched with the second positioning needle 15.
Further, as shown in fig. 1, the upper mold 1 is provided with a blocking block 22, and the blocking block 22 is connected with an output end of a third cylinder 23.
Further, the upper die 1 is further provided with a second cylinder 21, and an output end of the second cylinder 21 is connected with the upper die 1.
Further, as shown in fig. 2 and 3, the upper mold 1 is provided with an argon gas hole 12.
Further, the upper die 1 is provided with an argon gas flow channel 16, one end of the argon gas hole 12 is communicated with the argon gas flow channel 16, and the other end of the argon gas hole 12 is communicated with the laser transmission hole 11.
The working principle is as follows:
the upper die 1 of the step-by-step welding die is driven by a second cylinder 21 to open the die, a first workpiece 31 and a second workpiece 41 are driven by a corresponding large material belt 32 and a corresponding small material belt 42 to move in parallel, when the first workpiece 31 and the second workpiece 41 are fed to corresponding positions of a first welding area 51, the upper die 1 is closed, a first positioning pin 13 and a second positioning pin 15 are respectively inserted into a first positioning hole 321 and a second positioning hole 421 to position the first workpiece 31 and the second workpiece 41, when the closing of the die is completed, the second workpiece 41 is abutted against the first workpiece 31, then a first transverse welding point 61 and a second transverse welding point 62 are welded through a laser welding head, then a top breaking block 22 is driven by a third cylinder 23 to move upwards and lift the first workpiece 31 and the second workpiece 41 off the large material belt 32 and the small material belt 42, after the top breaking, the first workpiece 31 and the second workpiece 41 continue to be synchronously fed to a second welding area 52, the first vertical welding point 71 and the second vertical welding point 72 are welded, so that the welding of four welding points is completed in a partition and step mode. And the top breaking operation can also be carried out after the four welding spots are welded.
If the first bonding area 51 has a cold joint or poor bonding, the second bonding area 52 can be subjected to repair bonding, so as to ensure the bonding quality and further improve the bonding drawing force.
In the welding process, the same laser welding head is driven by control elements such as P L C and the like to weld the first welding area 51 and the second welding area 52 in sequence
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (8)
1. The step-by-step welding die is characterized by comprising an upper die (1) and a lower die (2), wherein the upper die (1) can move relative to the lower die (2), and the upper die (1) can position a first workpiece (31) and a second workpiece (41);
the upper die (1) is provided with a first welding area (51) and a second welding area (52), and the first welding area (51) and the second welding area (52) are both provided with a plurality of laser transmission holes (11);
after the first workpiece (31) and the second workpiece (41) are both positioned, the second workpiece (41) abuts against a recessed wall (311) of the first workpiece (31);
a plurality of welding spots are arranged at the welding position of the first workpiece (31) and the second workpiece (41), one part of welding spots are welded in the first welding area (51), and the other part of welding spots are welded in the second welding area (52).
2. The step welding die according to claim 1, wherein a first transverse welding point (61), a second transverse welding point (62), a first vertical welding point (71) and a second vertical welding point (72) are arranged at the welding position of the first workpiece (31) and the second workpiece (41), the first transverse welding point (61) and the second transverse welding point (62) are welded in the first welding area (51), and the first vertical welding point (71) and the second vertical welding point (72) are welded in the second welding area (52).
3. Step welding die according to claim 1, characterised in that said first work pieces (31) are arranged in two rows in order along the length of the strip (32); the second workpieces (41) are orderly arranged in two rows along the length direction of the small material belt (42); the small material belt (42) is placed above the middle part of the large material belt (32).
4. Step welding mould according to claim 3, characterised in that said upper mould (1) is provided with a first positioning pin (13) and a second positioning pin (15), said first positioning pin (13) being fixed to said upper mould (1), said second positioning pin (15) being movable with respect to said upper mould (1) driven by a first cylinder (14);
the edge of the big material belt (32) is provided with a first positioning hole (321) matched with the first positioning needle (13), and the middle of the small material belt (42) is provided with a second positioning hole (421) matched with the second positioning needle (15).
5. Step welding mould according to claim 3, characterised in that the upper mould (1) is provided with a top break block (22), which top break block (22) is connected to the output of a third cylinder (23).
6. Step welding mould according to any of the claims 1-5, characterised in that the upper mould (1) is further provided with a second cylinder (21), the output of which second cylinder (21) is connected to the upper mould (1).
7. Progressive welding die according to any of claims 1 to 5, characterised in that the upper die (1) is provided with argon vents (12).
8. The step welding die according to claim 7, characterised in that the upper die (1) is provided with an argon gas flow channel (16), one end of the argon gas hole (12) is communicated with the argon gas flow channel (16), and the other end of the argon gas hole (12) is communicated with the laser transmission hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693480.9U CN211052962U (en) | 2019-10-11 | 2019-10-11 | Step-by-step welding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693480.9U CN211052962U (en) | 2019-10-11 | 2019-10-11 | Step-by-step welding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211052962U true CN211052962U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921693480.9U Active CN211052962U (en) | 2019-10-11 | 2019-10-11 | Step-by-step welding die |
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| Country | Link |
|---|---|
| CN (1) | CN211052962U (en) |
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2019
- 2019-10-11 CN CN201921693480.9U patent/CN211052962U/en active Active
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