Laser welding steel sheet positioning jig for blowing argon
By setting up an argon blowing structure and detachable inserts in the laser welding fixture, the problems of insufficient blowing argon and unadjustable compression force in the prior art are solved, and the surface gloss and yield of the steel sheet are improved, which reduces the cost of replacing the fixture.
Patent Information
- Application Number
- CN202422419944.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The existing laser welded steel sheet fixtures cannot blow argon gas into the product surface, resulting in blackening of the steel sheet surface and welding slag, and the compression force cannot be adjusted, resulting in insufficient pulling force for the false welding, low yield rate, and the overall cost of replacing the fixture after damage is high.
A positioning fixture including a base, a support plate, a positioning fixing plate, a movable discharge positioning plate, a movable press plate and a pressing component are designed, and an argon blowing structure and a removable insert are provided. The compression force is adjusted by the spring pressing plate to realize argon welding and removable insert replacement.
It effectively solves the problems of blackening and welding slag on the surface of the steel sheet, improves the gloss, adjusts the compression force, increases the pulling force, reduces the cost of fixture replacement, and improves the yield rate.
Smart Images
Figure CN223172189U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel sheet welding positioning jigs, in particular to a laser welding steel sheet positioning jig for blowing argon gas. Background Art
[0002] At present, for laser welding steel sheet jigs, generally a positioning plate and a pressing plate are used to press the steel sheet component products. During welding, argon gas cannot be blown onto the product surface. When laser welding, the surface of the steel sheet will turn black and welding slag will be generated, affecting the product quality; the pressing force cannot be adjusted, resulting in insufficient virtual welding pulling force and low yield rate; there are no inserts on the positioning plate and the pressing plate, and the whole jig needs to be replaced after damage, with high cost. In view of this, it is necessary to design a laser welding steel sheet positioning jig for blowing argon gas to improve the above problems. Summary of the Utility Model
[0003] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a laser welding steel sheet positioning jig for blowing argon gas, aiming to solve the problems in the prior art that during welding, argon gas cannot be blown onto the product surface, the surface of the steel sheet will turn black during laser welding, welding slag will be generated, affecting the product quality, the pressing force cannot be adjusted, resulting in insufficient virtual welding pulling force, low yield rate, and the whole jig needs to be replaced after damage, with high cost.
[0004] To achieve the above purpose, the utility model provides the following technical solutions:
[0005] A laser welding steel sheet positioning jig for blowing argon gas, comprising a base, two support plates are fixedly connected to the top of the base, the same positioning fixing plate is fixedly connected to the top of the two support plates, an active feeding positioning plate is positioned and installed on the top of the positioning fixing plate, a placing groove is formed on the top surface of the active feeding positioning plate, a steel sheet component is placed in the placing groove, an active pressing plate is positioned and installed on the top of the active feeding positioning plate, two insert installation holes are formed on the active pressing plate corresponding to the steel sheet component, an active pressing plate insert is installed in each insert installation hole, a spring pressing plate is fixedly connected to the top of the active pressing plate at the position of the active pressing plate insert, a spring is installed between the active pressing plate insert and the spring pressing plate, an argon gas blowing structure is arranged on the active pressing plate, and pressing components are installed on both sides of the base.
[0006] Preferably, the argon gas blowing structure includes a gas connection plate fixedly connected to one side of the movable pressure plate. The gas connection plate is provided with an argon gas inlet hole and an argon gas outlet hole. The argon gas inlet hole is used to connect to an external argon gas supply device. The argon gas outlet hole is attached to the side wall of the movable pressure plate. A through hole is opened at the center of the movable pressure plate insert. A first argon gas introduction hole communicating with the argon gas outlet hole of the connection plate is opened between the insert mounting hole and the argon gas outlet hole of the connection plate. A second argon gas introduction hole communicating the first argon gas introduction hole with the through hole is opened on the outer wall of the movable pressure plate insert.
[0007] Preferably, a pressing portion is provided at the bottom of the movable pressure plate insert. The pressing portion passes through the insert mounting hole and presses against the steel sheet component.
[0008] Preferably, two symmetrically arranged limiting blocks are fixedly connected to both sides of the top of the movable pressure plate insert. Limiting grooves for the limiting blocks to be inserted are symmetrically opened at both sides of the inner top end of the insert mounting hole.
[0009] Preferably, a spring limiting hole corresponding to the spring is opened on the spring pressure plate. The spring limiting hole penetrates the spring pressure plate and is a stepped hole. One end of the spring is placed in the spring limiting hole, and the other end presses against the top end of the movable pressure plate insert.
[0010] Preferably, a movable material placing positioning plate insert is provided in the placing groove of the movable material placing positioning plate corresponding to the welding position of the steel sheet component. The movable material placing positioning plate insert is detachably installed in the placing groove.
[0011] Preferably, a conical guide pin of the positioning and fixing plate is fixedly connected to the top surface of the positioning and fixing plate. Four conical guide pins of the positioning and fixing plate are arranged in a rectangular distribution. A first guide hole for the conical guide pin of the positioning and fixing plate to be inserted is opened on the movable material placing positioning plate.
[0012] Preferably, a movable positioning plate guide pin is fixedly connected to the top of the movable material placing positioning plate. Four movable positioning plate guide pins are arranged in a rectangular distribution. A second guide hole for the movable positioning plate guide pin to be inserted is opened on the movable pressure plate.
[0013] Preferably, the pressing assembly includes a rotary downward pressing cylinder fixedly connected to the base. A clamping jaw is fixedly connected to the output end of the rotary downward pressing cylinder.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] (1) By providing the argon gas blowing structure in the present utility model, argon gas is blown onto the surface of the steel sheet component, thereby achieving the effect of argon arc welding, effectively solving the problems of blackening on the surface of the welded steel sheet component and welding slag, and improving the surface gloss of the welded steel sheet component.
[0016] (2) The utility model is provided with a movable feeding positioning plate insert, which is detachably installed in the storage groove. When the movable feeding positioning plate insert is damaged during laser welding, only the movable feeding positioning plate insert needs to be replaced separately, effectively reducing the fixture cost.
[0017] (3) The utility model is provided with a spring pressing plate, a spring and a movable pressing plate insert. Under the action of the spring, the movable pressing plate insert is pushed to press tightly on the steel sheet component, fixing the steel sheet component firmly. The fixing effect on the steel sheet component is good, avoiding the problems of offset and shaking of the steel sheet component during welding. The pressing force of the movable pressing plate insert on the steel sheet component can be adjusted by replacing the spring, compensating for the poor soldering of the steel sheet component and increasing the pulling force, thereby improving the product qualification rate. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic three-dimensional structure diagram of the laser welding steel sheet positioning fixture for blowing argon gas;
[0019] Figure 2 It is a schematic exploded structure diagram of the laser welding steel sheet positioning fixture for blowing argon gas;
[0020] Figure 3 It is a schematic structure diagram of the movable feeding positioning plate;
[0021] Figure 4 It is a schematic combined structure diagram of the movable feeding positioning plate, the movable pressing plate and the spring pressing plate;
[0022] Figure 5 For Figure 2 the schematic structure diagram of area A in
[0023] In the figure: 1. Base; 2. Support plate; 3. Positioning fixing plate; 301. Conical guide pin of the positioning fixing plate; 4. Movable feeding positioning plate; 401. Guide pin of the movable positioning plate; 402. Insert of the movable feeding positioning plate; 5. Steel sheet component; 6. Movable pressing plate; 601. Insert mounting hole; 602. Limit groove; 7. Insert of the movable pressing plate; 701. Limit block; 8. Spring; 9. Spring pressing plate; 901. Spring limit hole; 10. Gas connection plate; 11. Pressing component; 1101. Rotary pressing cylinder; 1102. Claw. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model. Embodiment
[0025] Please refer to Figures 1-5 In this embodiment, a positioning jig for laser welding steel sheets for blowing argon gas is provided, which includes a base 1. Two support plates 2 are fixedly connected to the top of the base 1. The same positioning fixing plate 3 is fixedly connected to the top of the two support plates 2. An active feeding positioning plate 4 is positioned and installed on the top of the positioning fixing plate 3. A placing groove is formed on the top surface of the active feeding positioning plate 4. A steel sheet component 5 is placed in the placing groove. An active pressing plate 6 is positioned and installed on the top of the active feeding positioning plate 4. Two insert mounting holes 601 are formed on the active pressing plate 6 corresponding to the steel sheet component 5. An active pressing plate insert 7 is installed in each insert mounting hole 601. A spring pressing plate 9 is fixedly connected to the top of the active pressing plate 6 at the position of the active pressing plate insert 7. A spring 8 is installed between the active pressing plate insert 7 and the spring pressing plate 9. An argon gas blowing structure is arranged on the active pressing plate 6. Pressing components 11 are installed on both sides of the base 1. When in use, the active feeding positioning plate 4 is positioned and installed on the positioning fixing plate 3, then the steel sheet component 5 is placed in the placing groove, and then the active pressing plate 6 is positioned and installed on the active feeding positioning plate 4. The active pressing plate 6 is pressed from top to bottom by the pressing components 11. Under the action of the spring 8, the active pressing plate insert 7 is pushed to press on the steel sheet component 5, so as to press and fix the steel sheet component 5, and the fixing effect on the steel sheet component 5 is good, avoiding the problems of offset and shaking of the steel sheet component 5 during welding.
[0026] In this embodiment, the pressing force of the active pressing plate insert 7 on the steel sheet component 5 can be adjusted by replacing the spring 8, making up for the insufficient soldering of the steel sheet component 5 and increasing the pulling force, thereby improving the product qualification rate.
[0027] In this embodiment, as Figure 2 and Figure 5 shown, the argon gas blowing structure includes a gas receiving plate 10 fixedly connected to one side of the active pressing plate 6. An argon gas inlet hole and an argon gas outlet hole are arranged on the gas receiving plate 10. The argon gas inlet hole is used to connect an external argon gas supply device. The argon gas outlet hole is attached to the side wall of the active pressing plate 6. A through hole is formed at the center of the active pressing plate insert 7. A first argon gas introduction hole communicating with the argon gas outlet hole of the gas receiving plate 10 is formed between the insert mounting hole 601 and the argon gas outlet hole of the gas receiving plate 10. A second argon gas introduction hole communicating the first argon gas introduction hole with the through hole is formed on the outer wall of the active pressing plate insert 7. When the laser welding machine works, the argon gas is transported into the argon gas inlet hole through the argon gas supply device, and then transported into the through hole of the active pressing plate insert 7 through the argon gas outlet hole, the first argon gas introduction hole and the second argon gas introduction hole, so that the argon gas blows to the surface of the steel sheet component, thereby achieving the effect of argon arc welding, effectively solving the problems of blackening and welding slag on the surface of the welded steel sheet component, and improving the surface gloss of the welded steel sheet component.
[0028] In this embodiment, a pressing portion is provided at the bottom of the movable platen insert 7. The pressing portion passes through the insert mounting hole 601 and presses against the steel sheet component 5. By providing the pressing portion on the movable platen insert 7, the pressing effect on the steel sheet component 5 is improved.
[0029] In this embodiment, as Figure 5 shown, two symmetrically fixed limiting blocks 701 are provided on both sides of the top of the movable platen insert 7. Limiting grooves 602 for the limiting blocks 701 to be inserted into are symmetrically formed on both sides of the inner top end of the insert mounting hole 601. Through the arrangement of the limiting blocks 701 and the limiting grooves 602, the movable platen insert 7 is limited, preventing the movable platen insert 7 from detaching from the insert mounting hole 601.
[0030] In the embodiment, as Figure 2 and Figure 4 shown, a spring limiting hole 901 corresponding to the spring 8 is formed in the spring pressing plate 9. The spring limiting hole 901 penetrates through the spring pressing plate 9 and is a stepped hole. One end of the spring 8 is placed in the spring limiting hole 901, and the other end presses against the top end of the movable platen insert 7. The provided spring limiting hole 901 is used for limiting and installing the spring 8 on one hand, and on the other hand, the spring limiting hole 901 and the through hole of the movable platen insert 7 tend to be coaxially arranged, which can be used as an avoidance hole for the laser during welding, for the laser during laser welding to pass through the spring limiting hole 901 and the through hole and irradiate the surface of the steel sheet component 5 to realize argon gas injection welding.
[0031] In this embodiment, as Figure 2 shown, a movable blanking positioning plate insert 402 is provided in the placement groove of the movable blanking positioning plate 4 corresponding to the welding position of the steel sheet component 5. The movable blanking positioning plate insert 402 is detachably installed in the placement groove. When the movable blanking positioning plate insert 402 is damaged during laser welding, only the movable blanking positioning plate insert 402 needs to be replaced separately, effectively reducing the fixture cost.
[0032] In this embodiment, as Figure 2As shown in the figure, a positioning fixed plate conical guide pin 301 is fixedly connected to the top surface of the positioning fixed plate 3. Four positioning fixed plate conical guide pins 301 are arranged in a rectangular distribution. A first guide hole for inserting the positioning fixed plate conical guide pin 301 is provided on the movable feeding positioning plate 4. A movable positioning plate guide pin 401 is fixedly connected to the top of the movable feeding positioning plate 4. Four movable positioning plate guide pins 401 are arranged in a rectangular distribution. A second guide hole for inserting the movable positioning plate guide pin 401 is provided on the movable pressing plate 6. By providing the fixed plate conical guide pin 301, it is convenient for the positioning and assembly of the movable feeding positioning plate 4 and the positioning fixed plate 3. By providing the movable positioning plate guide pin 401, it is convenient for the positioning and assembly of the movable pressing plate 6 and the movable feeding positioning plate 4, so as to ensure the accuracy of the assembly position, and it is convenient for the replacement of the movable feeding positioning plate 4, which can be applied to the welding of different steel sheets, improve the equipment utilization rate, and shorten the conversion product debugging time.
[0033] In this embodiment, as Figure 1 and Figure 2 shown, the pressing component 11 includes a rotary pressing cylinder 1101 fixedly connected to the base 1. A clamping jaw 1102 is fixedly connected to the output end of the rotary pressing cylinder 1101. After the movable feeding positioning plate 4 and the positioning fixed plate 3, and the movable pressing plate 6 and the movable feeding positioning plate 4 are assembled, the clamping jaw 1102 is pressed against the top of the movable pressing plate 6 by the operation of the rotary pressing cylinder 1101, so as to improve the fixing effect of the assembly fit therebetween.
[0034] Working principle: When in use, the movable feeding positioning plate 4 is positioned and installed on the positioning fixed plate 3, then the steel sheet component 5 is placed in the storage groove, and then the movable pressing plate 6 is positioned and installed on the movable feeding positioning plate 4. The clamping jaw 1102 is pressed against the top of the movable pressing plate 6 by the operation of the rotary pressing cylinder 1101. Under the action of the spring 8, the movable pressing plate insert 7 is pushed to press against the steel sheet component 5, and the steel sheet component 5 is pressed and fixed. When the laser welding machine works, the argon gas is supplied by the argon gas supply device and is transported into the argon gas inlet hole through the argon gas inlet hole, and then is transported into the through hole of the movable pressing plate insert 7 through the argon gas outlet hole, the first argon gas introduction hole and the second argon gas introduction hole, so that the argon gas blows to the surface of the steel sheet component. The laser during laser welding passes through the spring limit hole 901 and the through hole and irradiates the surface of the steel sheet component 5 to realize the welding with argon gas blown in. The utility model can make up for the insufficient soldering of the steel sheet component 5 and increase the pulling force, improve the product qualification rate, effectively solve the problem of the surface blackening and welding slag of the welded steel sheet component, and improve the surface glossiness of the welded steel sheet component.
[0035] The above embodiments are the preferred implementation solutions of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the technical solution is within the protection scope of the present invention.
Claims
1. A positioning jig for a laser-welded steel sheet for blowing argon, characterized in that: It includes a base (1). At the top of the base (1), two support plates (2) are fixedly connected. At the top of the two support plates (2), the same positioning and fixing plate (3) is fixedly connected. On the top of the positioning and fixing plate (3), a movable feeding and positioning plate (4) is positioned and installed. A placing groove is formed on the top surface of the movable feeding and positioning plate (4). A steel sheet component (5) is placed in the placing groove. On the top of the movable feeding and positioning plate (4), a movable pressing plate (6) is positioned and installed. Two insert mounting holes (601) are formed on the movable pressing plate (6) corresponding to the steel sheet component (5). A movable pressing plate insert (7) is installed in each insert mounting hole (601). At the top of the movable pressing plate (6) at the position of the movable pressing plate insert (7), a spring pressing plate (9) is fixedly connected. A spring (8) is installed between the movable pressing plate insert (7) and the spring pressing plate (9). An argon gas blowing structure is arranged on the movable pressing plate (6). Compressing components (11) are installed on both sides of the base (1).
2. The laser welding steel sheet positioning jig for blowing argon according to claim 1, characterized in that: The argon gas blowing structure includes a gas receiving plate (10) fixedly connected to one side of the movable pressing plate (6). An argon gas inlet hole and an argon gas outlet hole are arranged on the gas receiving plate (10). The argon gas inlet hole is used to connect an external argon gas supply device. The argon gas outlet hole is attached to the side wall of the movable pressing plate (6). A through hole is formed at the center of the movable pressing plate insert (7). A first argon gas guiding hole communicating with the argon gas outlet hole of the gas receiving plate (10) is formed between the insert mounting hole (601) and the gas receiving plate (10). A second argon gas guiding hole communicating the first argon gas guiding hole with the through hole is formed on the outer wall of the movable pressing plate insert (7).
3. The laser welding steel sheet positioning jig for blowing argon according to claim 2, wherein: A pressing part is arranged at the bottom of the movable pressing plate insert (7). The pressing part passes through the insert mounting hole (601) and presses on the steel sheet component (5).
4. A positioning jig for laser welding steel sheets for blowing argon according to claim 2, characterized in that: On both sides at the top of the movable pressing plate insert (7), limiting blocks (701) are symmetrically and fixedly connected. On both sides at the inner top end of the insert mounting hole (601), limiting grooves (602) for the limiting blocks (701) to be inserted are symmetrically formed.
5. A positioning jig for laser welding steel sheets for blowing argon according to claim 1, characterized in that: A spring limiting hole (901) corresponding to the spring (8) is formed on the spring pressing plate (9). The spring limiting hole (901) penetrates through the spring pressing plate (9) and is a stepped hole. One end of the spring (8) is placed in the spring limiting hole (901), and the other end presses on the top end of the movable pressing plate insert (7).
6. The positioning jig for laser welding steel sheets for argon injection according to claim 1, characterized in that: A movable feeding and positioning plate insert (402) corresponding to the welding position of the steel sheet component (5) is arranged in the placing groove of the movable feeding and positioning plate (4). The movable feeding and positioning plate insert (402) is detachably installed in the placing groove.
7. A positioning jig for laser welding steel sheets for blowing argon according to claim 1, characterized in that: A positioning and fixing plate conical guide pin (301) is fixedly connected to the top surface of the positioning and fixing plate (3). Four positioning and fixing plate conical guide pins (301) are arranged in a rectangular distribution. A first guide hole for the positioning and fixing plate conical guide pin (301) to be inserted is formed on the movable feeding and positioning plate (4).
8. A positioning jig for laser welding steel sheets for blowing argon according to claim 1, characterized in that: The top of the movable feeding positioning plate (4) is fixedly connected with a movable positioning plate guide pin (401). Four movable positioning plate guide pins (401) are arranged in a rectangular distribution. A second guide hole for inserting the movable positioning plate guide pin (401) is formed on the movable pressing plate (6).
9. The laser welding steel sheet positioning fixture for blowing argon according to claim 1, wherein: The pressing assembly (11) includes a rotary pressing cylinder (1101) fixedly connected to the base (1). The output end of the rotary pressing cylinder (1101) is fixedly connected with a clamping jaw (1102).