Quick switching welding clamp

Abstract

The invention discloses a quick switching welding fixture which comprises a bottom plate, a supporting seat is mounted in the middle of the bottom plate, a fixture is mounted at the top of the supporting seat, a plurality of side positioning seats are adjustably mounted on the outer side of the fixture, and a plurality of lifting positioning mechanisms are mounted on the portions, located on the two sides of the fixture, of the bottom plate. A first supporting plate is installed on the bottom plate and located on the outer side of the side positioning seat, and a hoisting column is installed on the bottom plate and located on the first supporting plate. According to the welding device, the multiple through holes are formed in the position, located on the clamp, of the supporting base, the dust collection pipeline communicating with the through holes is installed on the supporting base, and welding powder can be removed through the dust collection pipeline; each row of clamps comprises a plurality of S-pole magnets and a plurality of N-pole magnets, and the S-pole magnets and the N-pole magnets in each row are alternately arranged; the S-pole magnets in one row and the N-pole magnets in the other row are correspondingly arranged; when a plurality of electromagnet clamps are continuously spliced, the problem that a gap between plate tails becomes large during welding is solved by changing two stages of two adjacent clamps.

Description

Technical Field

[0001] The invention relates to the technical field of welding fixtures, in particular to a fast-switching welding fixture. Background Art

[0002] The door ring welding machine is a device that can automatically weld the welds of door rings. It has the advantages of good welding effect and fast production rate. The door ring welding machine mainly consists of a welding table, a workbench, a support frame and a laser gun head.

[0003] The existing publication number CN114713983B discloses an automatic assembly fixture and operation method for laser-welded steel plates for automobile door rings, including a workbench, on which multiple sets of fixture assembly components, multiple sets of visual camera mechanisms and multiple sets of welding drive mechanisms are fixedly installed on the upper surface of the workbench; the specific installation is: including multiple sets of electric fixture assembly components fixed on the workbench at intervals, each set of fixture assembly components is installed on the workbench next to the welding drive mechanism, each set of fixture assembly components is installed on both sides of the visual camera mechanism, and the workpiece to be welded is placed above the fixture assembly component. By combining the number of fixture assembly components, visual camera mechanisms and welding drive mechanisms, it can be applied to the automatic assembly of four, five, and six welds. The laser welding work of the automobile door ring can be conveniently completed by the mutual cooperation of the fixture assembly components, the welding drive mechanism and the visual camera components, which can be freely combined to adapt to the assembly of different plate thicknesses and different shapes, and has strong versatility. However, the existing technology does not have the function of dust removal. This application is used to solve the problem that the market fast welding fixture does not have the dust removal function. Summary of the invention

[0004] The purpose of the present invention is to provide a fast-switching welding fixture to solve the problems in the prior art.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a quick-switching welding fixture, comprising a base plate, a support seat is installed in the middle of the base plate, a fixture is installed on the top of the support seat, a plurality of side positioning seats are adjustably installed on the outside of the fixture, a plurality of lifting and positioning mechanisms are installed on both sides of the base plate located on the side positioning seat, a first support plate is installed on the outside of the base plate located on the side positioning seat, and a lifting column is installed on the first support plate of the base plate.

[0006] Preferably, at least two lifting and positioning mechanisms are provided on both sides of the clamp.

[0007] Preferably, the lifting and positioning mechanism includes a lifting frame, a lifting cylinder and a guide rail seat, the lifting frame is slidably connected to the guide rail seat through a slider and a guide rail, the lifting frame is driven by the lifting cylinder, and a second support plate is installed on the top of the lifting frame.

[0008] Preferably, a limit block is installed on one side of the lifting frame, and a lower buffer block and an upper buffer block are respectively installed on both sides of the limit block of the guide rail seat.

[0009] Preferably, the first support plate is installed on the top of the base plate through a support frame, and a side plate is installed on the outer side of the support frame.

[0010] Preferably, the support base is provided with a plurality of through holes at the clamp, and a dust collection duct connected with the through holes is installed at the support base.

[0011] Preferably, a manual positioning frame is installed at the clamp.

[0012] Preferably, the clamps are arranged in two rows, and air curtain plates are installed at corresponding surfaces of the two rows of clamps, and an air inlet pipe is installed at the bottom of the air curtain plates.

[0013] Preferably, each row of the clamps is composed of a plurality of S-pole magnets and a plurality of N-pole magnets, and the S-pole magnets and N-pole magnets in each row are alternately arranged; and the S-pole magnets in one row and the N-pole magnets in another row are correspondingly arranged.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The support seat is provided with a plurality of through holes at the fixture, and a dust suction pipe connected with the through holes is installed at the support seat, and welding powder can be removed through the dust suction pipe.

[0016] 2. The gas enters the air curtain plate from the air inlet pipe; the air curtain plate evenly sprays the gas from the upper nozzle through the internal pipeline to form an air curtain; the air curtain then flows along the magnet (clamp) to the welding melting pool to protect the weld from reacting with oxygen and taking away the smoke; there can be multiple air curtain plates and air inlet pipes, which are designed and used according to the required air volume; this mechanism can be used alone or in combination; it can be used in a variety of combinations and scenarios; when used in combination, the shielding gas can also be controlled separately through multiple pipelines and control units to save the use cost; this structure is simple in design, low in cost, and does not interfere with each other, solving the problem of weld protection in different welding positions in the industry.

[0017] 3. Each row of fixtures consists of multiple S-pole magnets and multiple N-pole magnets, and each row of S-pole magnets and N-pole magnets are arranged alternately; and the S-pole magnets in one row are arranged correspondingly to the N-pole magnets in another row; because multiple fixtures are arranged and combined continuously, the splicing quality of materials will be affected, and the gap at the tail of the plate will become larger during welding, affecting the welding quality and causing an increase in the defective rate; therefore, this problem is solved by changing the two levels of two adjacent fixtures when multiple electromagnet fixtures are continuously spliced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the structure of the present invention;

[0020] Figure 2 The present invention Figure 1 Schematic diagram of the structure when the side panels are removed;

[0021] Figure 3 The present invention Figure 2 A schematic diagram of the structure when the first support plate is removed;

[0022] Figure 4 The present invention Figure 3 The structural diagram of the middle part;

[0023] Figure 5 It is a structural schematic diagram of the support seat and the clamp of the present invention;

[0024] Figure 6 It is a structural schematic diagram of the lifting and positioning mechanism of the present invention;

[0025] Figure 7 It is a structural schematic diagram of the clamp of the present invention;

[0026] Figure 8 The present invention Figure 7 The main view of

[0027] Fig. 9 It is a structural schematic diagram of the wind curtain plate of the present invention;

[0028] Fig.10 It is a schematic diagram of the structure of the welding fixture transformed into other multiple weld seams of the present invention.

[0029] In the figure: 1. bottom plate; 2. side plate; 3. support seat; 4. first support plate; 5. lifting column; 6. clamp; 7. manual positioning frame; 8. side positioning seat; 9. support frame; 10. lifting and positioning mechanism; 11. dust suction duct; 12. air intake pipe; 13. air curtain plate; 101. lifting frame; 102. lifting cylinder; 103. guide rail seat; 104. lower buffer block; 105. limit block; 106. upper buffer block; 601. S pole magnet; 602. N pole magnet. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention.

[0031] See also Figure 1-5 In an embodiment of the present invention, a quick-switching welding fixture includes a base plate 1, a support seat 3 is installed in the middle of the base plate 1, a fixture 6 is installed on the top of the support seat 3, a manual positioning frame 7 is installed at the fixture 6, and a plurality of side positioning seats 8 are adjustably installed on the outside of the fixture 6, a plurality of lifting and positioning mechanisms 10 are installed on both sides of the base plate 1 located on the clamp 6, and at least two lifting and positioning mechanisms 10 are arranged on both sides of the clamp 6, a first support plate 4 is installed on the outside of the side positioning seat 8 of the base plate 1, and a lifting column 5 is installed on the base plate 1 at the first support plate 4.

[0032] like Figure 1-5 The first support plate 4 is installed on the top of the base plate 1 through the support frame 9, and the side plate 2 is installed on the outer side of the support frame 9; the support seat 3 is provided with a plurality of through holes at the clamp 6, and a dust suction pipe 11 connected with the through holes is installed at the support seat 3; the support seat is provided with a plurality of through holes at the clamp, and a dust suction pipe connected with the through holes is installed at the support seat, and welding powder can be removed through the dust suction pipe.

[0033] like Figure 6 The lifting and positioning mechanism 10 includes a lifting frame 101, a lifting cylinder 102 and a guide rail seat 103. The lifting frame 101 is slidably connected to the guide rail seat 103 through a slider and a guide rail. The lifting frame 101 is driven by the lifting cylinder 102, and a second support plate is installed on the top of the lifting frame 101; a limit block 105 is installed on one side of the lifting frame 101, and a lower buffer block 104 and an upper buffer block 106 are respectively installed on both sides of the limit block 105 of the guide rail seat 103.

[0034] like Figure 7-9; The clamps 6 are arranged in two rows, and wind curtain plates 13 are installed on the corresponding surfaces of the two rows of clamps 6, and an air intake pipe 12 is installed at the bottom of the wind curtain plates 13; the gas enters the wind curtain plates through the air intake pipe; the wind curtain plates evenly eject the gas from the upper nozzle through the internal pipeline to form a wind curtain; the wind curtain then flows along the magnet (clamp) to the welding melting pool position, protecting the weld from reacting with oxygen and taking away smoke and dust; there can also be multiple wind curtain plates and air intake pipes, which are designed and used according to the required air volume; this mechanism can be used alone or in combination; it can be used in a variety of combinations and scenarios; when used in combination, the shielding gas can also be controlled separately through multiple pipelines and control units to save the use cost; this structure is simple in design, low in cost, and does not interfere with each other, solving the problem of weld protection in different positions in the industry.

[0035] like Figure 7 ; Each row of the clamps 6 is composed of multiple S-pole magnets 601 and multiple N-pole magnets 602, and the S-pole magnets 601 and N-pole magnets 602 in each row are arranged alternately; and the S-pole magnets 601 in one row and the N-pole magnets 602 in another row are arranged correspondingly; since multiple clamps are arranged and combined continuously, the splicing quality of the materials will be affected, and the gap at the tail of the plate will become larger during welding, affecting the welding quality and causing an increase in the defective rate; therefore, this problem is solved by changing the two levels of two adjacent clamps when multiple electromagnet clamps are continuously spliced.

[0036] like Fig.10 This fixture can be transformed into a fixture for welding multiple welds as needed.

[0037] The working principle of the present invention is that a plurality of through holes are opened on the support seat at the clamp, and a dust suction pipe connected with the through holes is installed at the support seat, and welding powder can be removed through the dust suction pipe.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fast switching welding fixture, comprising a base plate (1), characterized in that: A support seat (3) is installed in the middle of the base plate (1), a clamp (6) is installed on the top of the support seat (3), a plurality of side positioning seats (8) are adjustably installed on the outer side of the clamp (6), a plurality of lifting and positioning mechanisms (10) are installed on both sides of the base plate (1) located on the clamp (6), a first support plate (4) is installed on the outer side of the side positioning seat (8) of the base plate (1), and a hanging column (5) is installed on the base plate (1) at the first support plate (4).

2. A fast switching welding fixture according to claim 1, characterized in that: At least two lifting and positioning mechanisms (10) are arranged on both sides of the clamp (6).

3. A fast switching welding fixture according to claim 1 or 2, characterized in that: The lifting and positioning mechanism (10) comprises a lifting frame (101), a lifting cylinder (102) and a guide rail seat (103); the lifting frame (101) is slidably connected to the guide rail seat (103) via a slider and a guide rail; the lifting frame (101) is driven by the lifting cylinder (102); and a second support plate is installed on the top of the lifting frame (101).

4. The fast switching welding fixture according to claim 3 is characterized in that: A limit block (105) is installed on one side of the lifting frame (101), and a lower buffer block (104) and an upper buffer block (106) are installed on both sides of the limit block (105) of the guide rail seat (103).

5. The fast switching welding fixture according to claim 1, characterized in that: The first support plate (4) is mounted on the top of the base plate (1) via a support frame (9), and a side plate (2) is mounted on the outer side of the support frame (9).

6. The fast switching welding fixture according to claim 1, characterized in that: The support seat (3) is provided with a plurality of through holes at the clamp (6), and a dust collection pipe (11) connected to the through holes is installed at the support seat (3).

7. The fast switching welding fixture according to claim 1, characterized in that: A manual positioning frame (7) is installed on the clamp (6).

8. The fast switching welding fixture according to claim 1, characterized in that: The clamps (6) are arranged in two rows, and air curtain plates (13) are installed at the corresponding surfaces of the two rows of clamps (6), and an air intake pipe (12) is installed at the bottom of the air curtain plates (13).

9. The fast switching welding fixture according to claim 8, characterized in that: Each row of the clamps (6) comprises a plurality of S-pole magnets (601) and a plurality of N-pole magnets (602), and the S-pole magnets (601) and the N-pole magnets (602) in each row are arranged alternately; and the S-pole magnets (601) in one row and the N-pole magnets (602) in another row are arranged correspondingly.

Images