CN210703047U - Frame skin homonymy bull resistance welding machine - Google Patents
Frame skin homonymy bull resistance welding machine Download PDFInfo
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- CN210703047U CN210703047U CN201921732645.9U CN201921732645U CN210703047U CN 210703047 U CN210703047 U CN 210703047U CN 201921732645 U CN201921732645 U CN 201921732645U CN 210703047 U CN210703047 U CN 210703047U
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Abstract
A multi-head resistance welding machine for the same side of a frame skin comprises a shell, a welding part and a lower cantilever assembly; the welding part comprises a plurality of electrode tips; the lower cantilever assembly comprises a bearing platform; the welding part is arranged at the upper part of the shell, and the lower cantilever assembly is arranged at the lower part of the shell; the plurality of electrode tips are all arranged right above the bearing platform; the welding part comprises a first mounting seat, a sliding chute plate, a first cylinder seat, a first cylinder, a first piston arm, an upper electrode block, a lower electrode block, a middle electrode block, an electrode arm and an electrode tip; have homonymy bull welded advantage, the electrode tip all sets up on upper portion, and the lower part does not have the electrode tip, and the lower part is provided with the cushion cap that is used for the bearing, only carries out the unilateral welding in upper portion, only forms the solder joint at the unilateral, and the back can not form the solder joint to need not the step of polishing after the welding completion, labour saving and time saving.
Description
The technical field is as follows:
the utility model belongs to the technical field of resistance welding machine technique and specifically relates to a frame covering homonymy bull resistance welding machine that says so.
Background art:
resistance welding is a method of welding by applying pressure while locally heating a workpiece by using resistance heat generated at a contact portion of a workpiece by passing a current as a heat source. During welding, metal does not need to be filled, the production efficiency is high, the deformation of a weldment is small, and the automation is easy to realize.
The welding of the tray box frame and the skin of the existing concentration box is usually welded by a two-protection welding machine, the polishing is very inconvenient due to a large heat affected zone after the welding is finished, the welding is performed by a resistance welding mode gradually, if the resistance welding is widely applied to the domestic tray box welding, the welding method is the conventional butt welding, and the workpiece is welded between an upper welding electrode and a lower welding electrode. Welding impressions and welding spatters are left on the upper surface and the lower surface of the workpiece after welding is finished, and the appearance is seriously affected. In order to meet the requirement of appearance, the procedures of grinding and anticorrosion are required to be added. The existing welding machine can only weld one point at a time, workers need to weld dozens of points on one edge, each point needs to move a workpiece once, the labor intensity of the workers is high, the efficiency is low, and the cost of subsequent polishing and corrosion prevention is high.
The utility model has the following contents:
for solving the problem, overcome the not enough of prior art, the utility model provides a simple structure, efficient, can weld a plurality of solder joints simultaneously, only produce solder joint, the back does not have the frame covering homonymy bull resistance welding machine of trace at the single face.
In order to achieve the purpose, the utility model provides a frame skin same-side multi-head resistance welding machine, which comprises a shell, a welding part and a lower cantilever assembly;
the welding part comprises a plurality of electrode tips;
the lower cantilever assembly comprises a bearing platform;
the welding part is arranged at the upper part of the shell, and the lower cantilever assembly is arranged at the lower part of the shell; the plurality of electrode tips are all arranged right above the bearing platform.
Further, the welding part comprises a first mounting seat, a sliding groove plate, a first cylinder seat, a first cylinder, a first piston arm, an upper electrode block, a lower electrode block, a middle electrode block, an electrode arm and an electrode tip; an opening is formed in one side of the shell, and the first mounting seat is arranged on one side of the opening; a sliding groove plate is arranged on one side of the first mounting seat, a plurality of first cylinder seats are arranged on one side of the sliding groove plate in a sliding mode, first cylinders are arranged on the upper portions of the first cylinder seats, first piston arms are connected to the lower portions of the first cylinders, upper electrode blocks are connected to the lower ends of the first piston arms, lower electrode blocks are arranged below the upper electrode blocks, and the upper electrode blocks are connected with the lower electrode blocks through bolts; a middle electrode block is clamped between the upper electrode block and the lower electrode block, an electrode arm penetrates through one end of the middle electrode block, and an electrode tip is arranged at the lower end of the electrode arm.
Further, the lower cantilever assembly comprises a bearing platform, a connecting block, a second cylinder seat, a second cylinder, a second piston arm and a second mounting seat; one side of second mount pad is provided with a plurality of second cylinder block, and a plurality of second cylinder block lower parts all are provided with the second cylinder, and a plurality of second cylinder upper portions all are connected with second piston arm, and the upper end of a plurality of second piston arms all is provided with the connecting block, and a plurality of connecting block upper ends all link to each other with the cushion cap.
Furthermore, the welding part also comprises a conductive structure and a transformer, wherein the conductive structure comprises a copper strip, a fixed copper block and a copper bar; one end of the transformer is provided with a copper bar, the copper bar is connected with a fixed copper block, the fixed copper block is connected with a copper strip, and the copper strip is connected with a lower electrode block.
Furthermore, the connecting block can be made of non-conductive materials.
Furthermore, a plurality of controllers are arranged on one side of the shell, and supporting legs are arranged on the lower portion of the shell.
The utility model has the advantages that:
the utility model provides a frame covering homonymy bull resistance welding machine has homonymy bull welded advantage, and the electrode tip all sets up on upper portion, and the lower part does not have the electrode tip, and the lower part is provided with the cushion cap that is used for the bearing, only carries out unilateral welding in upper portion, only forms the solder joint at the unilateral, and the back can not form the solder joint to the step of polishing after the welding completion, labour saving and time saving does not need;
the upper portion is provided with a plurality of electrode tips, and per two electrode tips are a set of to be connected with a transformer, the electric current passes through galvanized mask to another electrode tip from an electrode tip, because the electrode tip all is in the homonymy, so the solder joint that forms also all is in the homonymy, and the back of galvanized mask and frame can not produce the solder joint, has removed the step of polishing from and also can satisfy the outward appearance requirement.
Meanwhile, the upper part of the welding head is provided with a plurality of groups of electrode tips, so that multiple points can be welded simultaneously, and the efficiency is greatly improved.
The sliding chute plate is provided with a transverse sliding chute, and the first cylinder seat can transversely slide in the sliding chute, so that the transverse position of the electrode tips can be adjusted, and the position and the distance between the electrode tips can be adjusted;
be provided with first cylinder on the first cylinder seat, first piston arm can be controlled to first cylinder and reciprocates to control electrode tip reciprocates, move down the electrode tip in the welded and can push down the mask, has welded and has moved up the electrode tip and conveniently get and put the mask, convenient operation.
The transformer is connected with the copper bar, the copper bar is connected with the fixed copper block, the copper bar is made of hard materials, and the fixed copper block is fixedly arranged on the shell, so that the advantages that wires in the shell are neat and orderly, the position is fixed, and meanwhile, the maintenance, the assembly and the disassembly are convenient; the fixed copper block and the lower electrode block are connected through a soft copper strip, so that the up-and-down movement of the electrode tip is not influenced; the upper electrode block, the lower electrode block, the middle electrode block, the electrode arm and the electrode tip are all detachable, and assembly and maintenance are convenient.
The second cylinder drives the bearing platform to move up and down, and the height of the bearing platform can be adjusted when the bearing platform is used.
Be provided with first guard shield and second guard shield, because of reasons such as colliding with damage when protecting first cylinder and second cylinder and can not reuse.
The bearing platform is made of copper and has conductive capability, and the upper part of the bearing platform can be covered with insulating materials such as nylon plates and the like for isolation; and selecting the bearing platform to be in a conductive state or a non-conductive state according to different welding materials. When the thickness of the material is small, the material can be in a conductive state to realize welding and increase the electrode distance, and when the contact area of the material and the bearing platform is small and irregular, the material can be in a non-conductive state to avoid generating welding spots.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the welding part of the present invention;
FIG. 3 is a schematic side view of the structure of the welding part of the present invention;
FIG. 4 is an enlarged schematic view of the lower cantilever assembly structure of the present invention;
in the drawings: 1. the device comprises a shell, 2, a welding part, 3, a lower cantilever assembly, 4, a controller, 5, a support leg, 6, a first shield, 7, a first mounting seat, 8, a sliding chute plate, 9, a first cylinder seat, 10, a first cylinder, 11, a first piston arm, 12, an upper electrode block, 13, a lower electrode block, 14, a middle electrode block, 15, an electrode arm, 16, an electrode tip, 17, a copper strip, 18, a fixed copper block, 19, a copper bar, 20, a transformer, 21, a bearing platform, 22, a connecting block, 23, a second shield, 24, a second cylinder seat, 25, a second cylinder, 26, a second piston arm, 27 and a second mounting seat.
The specific implementation mode is as follows:
in order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the attached drawings 1, 2, 3 and 4 of the present invention to perform more detailed description of the present invention.
The utility model provides a frame skin same-side multi-head resistance welding machine, which comprises a shell 1, a welding part 2 and a lower cantilever assembly 3; the weld 2 comprises several electrode tips 16; the lower cantilever assembly 3 comprises a bearing platform 21; the welding part 2 is arranged at the upper part of the shell 1, and the lower cantilever assembly 3 is arranged at the lower part of the shell 1; the plurality of electrode heads 16 are all arranged right above the bearing platform 21; the welding part 2 comprises a first mounting seat 7, a chute plate 8, a first cylinder seat 9, a first cylinder 10, a first piston arm 11, an upper electrode block 12, a lower electrode block 13, a middle electrode block 14, an electrode arm 15 and an electrode tip 16; an opening is formed in one side of the shell 1, and the first mounting seat 7 is arranged on one side of the opening; a sliding groove plate 8 is arranged on one side of the first mounting seat 7, a plurality of first cylinder seats 9 are arranged on one side of the sliding groove plate 8 in a sliding mode, first cylinders 10 are arranged on the upper portions of the first cylinder seats 9, first piston arms 11 are connected to the lower portions of the first cylinders 10, upper electrode blocks 12 are connected to the lower ends of the first piston arms 11, lower electrode blocks 13 are arranged below the upper electrode blocks 12, and the upper electrode blocks 12 are connected with the lower electrode blocks 13 through bolts; a middle electrode block 14 is clamped between the upper electrode block 12 and the lower electrode block 13, an electrode arm 15 penetrates through one end of the middle electrode block 14, and an electrode tip 16 is arranged at the lower end of the electrode arm 15; the lower cantilever assembly 3 comprises a bearing platform 21, a connecting block 22, a second cylinder seat 24, a second cylinder 25, a second piston arm 26 and a second mounting seat 27; a plurality of second cylinder seats 24 are arranged on one side of the second mounting seat 27, second cylinders 25 are arranged on the lower portions of the second cylinder seats 24, second piston arms 26 are connected to the upper portions of the second cylinders 25, connecting blocks 22 are arranged at the upper ends of the second piston arms 26, and the upper ends of the connecting blocks 22 are connected with the bearing platform 21; the welding part 2 also comprises a conductive structure and a transformer 20, wherein the conductive structure comprises a copper strip 17, a fixed copper block 18 and a copper bar 19; one end of the transformer 20 is provided with a copper bar 19, the copper bar 19 is connected with a fixed copper block 18, the fixed copper block 18 is connected with a copper strip 17, and the copper strip 17 is connected with the lower electrode block 13; the connecting block 22 is made of a non-conductive material; a plurality of controllers 4 are arranged on one side of the shell 1, and supporting legs 5 are arranged on the lower portion of the shell 1.
The utility model discloses a one of them embodiment as follows:
the utility model can be divided into two parts, namely a welding part 2 and a lower cantilever assembly 3; the welding part 2 is arranged at the upper part of the shell 1, and the lower cantilever assembly 3 is arranged at the lower part of the shell 1;
the welding part 2 comprises a first shield 6, a first mounting seat 7, a sliding chute plate 8, a first cylinder seat 9, a first cylinder 10, a first piston arm 11, an upper electrode block 12, a lower electrode block 13, a middle electrode block 14, an electrode arm 15, an electrode tip 16, a copper strip 17, a fixed copper block 18, a copper bar 19 and a transformer 20;
the lower cantilever assembly 3 comprises a bearing platform 21, a connecting block 22, a second shield 23, a second cylinder seat 24, a second cylinder 25, a second piston arm 26 and a second mounting seat 27;
the welding part 2 is a main welding mechanism, the upper motor assembly comprises six electrode tips 16 and three transformers 20, the six electrode tips are arranged in a positive, negative, positive and negative interval mode, every two adjacent positive and negative electrode tips 16 are in a group and are connected with one transformer 20 to form a three-group welding structure, and six welding spots can be formed during welding.
The six electrode tips 16 are all arranged on the same side of the upper portion, and in a welded configuration, current passes from one electrode tip 16 through the mask into the other electrode tip 16, forming two weld points on the same side.
The lower cantilever assembly 3 is arranged at the lower part, and the bearing platform 21 is arranged right below the electrode tip 16 and mainly plays a role in bearing; the bearing platform 21 is made of copper materials and has conductive capability, and the upper part of the bearing platform 21 can be covered with insulating materials such as nylon plates and the like for isolation; the platform 21 is selected to be in a conductive state or a non-conductive state according to different welding materials. When the square tube is welded with the mask and the thickness of the mask is small, the electrical conductivity is poor due to the small thickness of the mask, so that the distance between the electrode tips 16 is limited; at this time, the bearing platform 21 can conduct electricity, current can flow to the bearing platform 21 from the mask square tube and flow through the bearing platform 21 to assist in conducting electricity, so that the limitation of the distance between the electrode tips 16 can be removed, the distance between the electrode tips 16 is enlarged, and because the square tube has a large contact area with the bearing platform 21, a high-heat gathering point cannot be formed on the back surface of the square tube, so that welding spots cannot be generated; when the angle bar plus the mask is welded, since the contact area between the angle bar and the bearing platform 21 is small, and a welding spot is easily formed at the contact point due to heat accumulation, it is necessary to cover the bearing platform 21 with an insulating material such as a nylon plate, so that current flows only through the mask and the angle bar.
An opening is formed in the upper portion of the shell 1, a conductive structure penetrates through the opening, the copper bar 19, the transformer 20 and other components are arranged inside the shell 1, the first shield 6, the first mounting seat 7, the sliding chute plate 8, the first cylinder seat 9, the first cylinder 10, the first piston arm 11, the upper electrode block 12, the lower electrode block 13, the middle electrode block 14, the electrode arm 15, the electrode tip 16 and other components are arranged outside the shell 1 and are connected with the fixed copper block 18 through a copper strip 17, the copper strip 17 penetrates through the opening, one end of the copper strip is connected with the fixed copper block 18, and the other end of the copper strip is connected with the lower electrode block 13.
Outside the shell 1, a first mounting seat 7 is arranged on one side of the opening, a chute plate 8 is arranged on the first mounting seat 7, a transverse chute is arranged on the chute plate 8, a first cylinder seat 9 is connected with the chute plate 8 in a transverse sliding mode through the chute, and six first cylinder seats 9 are arranged; the upper part of the first cylinder seat 9 is provided with six first cylinders 10; a first piston arm 11 is arranged at the lower part of the first air cylinder 10, the first air cylinder 10 can extend and contract, the first piston arm 11 moves downwards when the first air cylinder 10 extends, and the first piston arm 11 moves upwards when the first air cylinder 10 contracts; when the first cylinder 10 contracts to the shortest, the lowest end of the first piston arm 11 and the lowest end of the chute plate 8 are at the same height;
six first cylinder seats 9 are arranged on the chute plate 8, the first cylinder seats 9 can transversely slide on the chute plate 8, and can be fixed in position by screwing bolts when sliding to any position, so that the distance between adjacent electrode tips 16 can be adjusted, and generally, the distance between adjacent electrode tips 16 is 70-120 mm.
The lower end of the first piston arm 11 is connected with an upper electrode block 12, a lower electrode block 13 is arranged below the upper electrode block 12, the upper electrode block 12 is connected with the lower electrode block 13 through bolts, a middle electrode block 14 is clamped between the upper electrode block 12 and the lower electrode block 13, one end, far away from the chute plate 8, of the middle electrode block 14 extends out of the upper electrode block 12 and the lower electrode block 13, an electrode arm 15 penetrates through the end, and the lower end of the electrode arm 15 is connected with an electrode tip 16;
in casing 1, transformer 20 is fixed through a plurality of supports and sets up in casing 1, and transformer 20 is provided with threely altogether, and transformer 20 is connected with copper bar 19, and through being connected with fixed copper bar 18, copper bar 19 is made for the stereoplasm material, and fixed copper bar 18 is fixed to be set up at casing 1's opening part, and fixed copper bar 18 passes through copper strips 17 and is connected with lower electrode block 13, and copper strips 17 are made for soft material.
Three controllers 4 are arranged outside the shell 1, respectively correspond to the three transformers 20, and different transformers 20 are controlled to work by different controllers 4 when the device is used.
The lower part of the shell 1 is provided with two second cylinder seats 24, and the number of the second cylinder seats 24 is two; a second cylinder 25 is arranged at the lower part of the second cylinder seat 24, a second piston arm 26 is connected to the upper part of the second cylinder 25, the second cylinder 25 can extend and contract, the second piston arm 26 moves upwards when the second cylinder 25 extends, and the second piston arm 26 moves downwards when the second cylinder 25 contracts; the upper part of the second piston arm 26 is provided with a connecting block 22, and the upper part of the connecting block 22 is provided with a bearing platform 21;
a platform 21 is provided directly below the electrode tip 16, the platform 21 and the electrode tip 16 sandwiching the mask and the frame during the welding operation.
The lower part of the shell 1 is provided with a supporting leg 5 which plays a role of supporting the shell 1 and enables the shell 1 to be more stable.
Holistic insulating is that it realizes to set up the insulation board in three different positions:
① the connecting block 22 is made of insulating material, the connecting block 22 is arranged between the set 21 and the second piston arm 26;
② an insulating plate is arranged between the first piston arm 11 and the upper electrode block 12;
③ an insulating plate is arranged between the fixed copper block 18 and the shell;
through three insulation boards, each part participating in the electric conduction is separated from the shell in an insulation way, and the danger of short circuit or electric shock and the like is avoided.
In actual operation, the bearing platform 21 is firstly lifted to a proper position through the second air cylinder 25, and then the assembled frame and the mask are placed on the bearing platform 21; thereafter, the first cylinder 10 is operated to move laterally to a proper position, and the electrode tip 16 is brought into contact with the mask while extending the first cylinder 10, sandwiching the mask and the frame by the electrode tip 16 and the platform 21; when the electrode tips 16 discharge, the mask and the frame are both conductive, and because the thickness of the mask is smaller than that of the frame, most of the current enters the frame through the mask and then enters the other electrode tip 16 after entering the mask, so that two welding spots are formed below the two electrode tips 16, and the welding is completed; the finished product can be taken down by moving the electrode tip 16 upwards.
When multiple welding heads are required to be welded simultaneously, the electrode heads 16 are only required to be pressed down and electrified simultaneously.
In other embodiments, the number of electrode heads 16 may also be 2 or 4, and the number of corresponding transformers 20 is 1 or 2; forming 1 group or 2 groups of welding structures.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A multi-head resistance welding machine for frame skin on the same side comprises a shell (1), a welding part (2) and a lower cantilever assembly (3); the method is characterized in that:
the welding part (2) comprises a plurality of electrode tips (16);
the lower cantilever assembly (3) comprises a bearing platform (21);
the welding part (2) is arranged at the upper part of the shell (1), and the lower cantilever assembly (3) is arranged at the lower part of the shell (1); the electrode heads (16) are all arranged right above the bearing platform (21).
2. The frame skin same-side multi-head resistance welding machine as claimed in claim 1, wherein: the welding part (2) comprises a first mounting seat (7), a sliding chute plate (8), a first cylinder seat (9), a first cylinder (10), a first piston arm (11), an upper electrode block (12), a lower electrode block (13), a middle electrode block (14), an electrode arm (15) and an electrode tip (16); an opening is formed in one side of the shell (1), and the first mounting seat (7) is arranged on one side of the opening; a sliding groove plate (8) is arranged on one side of the first mounting seat (7), a plurality of first cylinder seats (9) are arranged on one side of the sliding groove plate (8) in a sliding mode, first cylinders (10) are arranged on the upper portions of the first cylinder seats (9), first piston arms (11) are connected to the lower portions of the first cylinders (10), upper electrode blocks (12) are connected to the lower ends of the first piston arms (11), lower electrode blocks (13) are arranged below the upper electrode blocks (12), and the upper electrode blocks (12) are connected with the lower electrode blocks (13) through bolts; a middle electrode block (14) is clamped between the upper electrode block (12) and the lower electrode block (13), the electrode arm (15) penetrates through one end of the middle electrode block (14), and the electrode tip (16) is arranged at the lower end of the electrode arm (15).
3. The frame skin same-side multi-head resistance welding machine as claimed in claim 1, wherein: the lower cantilever assembly (3) comprises a bearing platform (21), a connecting block (22), a second cylinder seat (24), a second cylinder (25), a second piston arm (26) and a second mounting seat (27); one side of the second mounting seat (27) is provided with a plurality of second cylinder seats (24), the lower parts of the second cylinder seats (24) are provided with second cylinders (25), the upper parts of the second cylinders (25) are connected with second piston arms (26), the upper ends of the second piston arms (26) are provided with connecting blocks (22), and the upper ends of the connecting blocks (22) are connected with a bearing platform (21).
4. The frame skin same-side multi-head resistance welding machine as claimed in claim 2, wherein: the welding part (2) further comprises a conductive structure and a transformer (20), wherein the conductive structure comprises a copper strip (17), a fixed copper block (18) and a copper bar (19); the transformer (20) one end is provided with copper bar (19), copper bar (19) are connected with fixed copper billet (18), fixed copper billet (18) are connected with copper strips (17), copper strips (17) link to each other with lower electrode block (13).
5. The frame skin same-side multi-head resistance welding machine as claimed in claim 3, wherein: the connecting block (22) is made of non-conductive materials.
6. The frame skin same-side multi-head resistance welding machine as claimed in claim 1, wherein: a plurality of controllers (4) are arranged on one side of the shell (1), and supporting legs (5) are arranged on the lower portion of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921732645.9U CN210703047U (en) | 2019-10-16 | 2019-10-16 | Frame skin homonymy bull resistance welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921732645.9U CN210703047U (en) | 2019-10-16 | 2019-10-16 | Frame skin homonymy bull resistance welding machine |
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| Publication Number | Publication Date |
|---|---|
| CN210703047U true CN210703047U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921732645.9U Active CN210703047U (en) | 2019-10-16 | 2019-10-16 | Frame skin homonymy bull resistance welding machine |
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| Country | Link |
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| CN (1) | CN210703047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576247A (en) * | 2019-10-16 | 2019-12-17 | 山东海特沃德自动化焊接装备有限公司 | Frame skin homonymy bull resistance welding machine |
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2019
- 2019-10-16 CN CN201921732645.9U patent/CN210703047U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576247A (en) * | 2019-10-16 | 2019-12-17 | 山东海特沃德自动化焊接装备有限公司 | Frame skin homonymy bull resistance welding machine |
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