CN210878344U - Welding tool for clamping piece of transformer core - Google Patents
Welding tool for clamping piece of transformer core Download PDFInfo
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- CN210878344U CN210878344U CN201922051688.7U CN201922051688U CN210878344U CN 210878344 U CN210878344 U CN 210878344U CN 201922051688 U CN201922051688 U CN 201922051688U CN 210878344 U CN210878344 U CN 210878344U
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- 238000003466 welding Methods 0.000 title claims abstract description 59
- 238000003825 pressing Methods 0.000 claims abstract description 68
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000007790 scraping Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- 210000003437 trachea Anatomy 0.000 description 1
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Abstract
The utility model provides a transformer core folder welding frock. Comprises a base, a porous positioning plate, a pneumatic auxiliary pressing device, a spiral pressing device and a positioning device; the porous positioning plate is vertically arranged on the base along the length direction of the base; at least two positioning devices are arranged along the length direction of the porous positioning plate, and one end of each positioning device is detachably connected with the porous positioning plate to realize the fixation of the length direction and the height direction of a workpiece; the pneumatic auxiliary pressing device is arranged on the base, and the distance between the pneumatic auxiliary pressing device and the porous positioning plate is adjustable so as to realize the fixation of the workpiece in the width direction; the spiral pressing devices are arranged at two ends of the base in the length direction and used for pressing two end faces of the workpiece. The utility model discloses an use width adjusting block, distance adjustment pad to carry out position adjustment to positioner, make the positioning accuracy of transformer core folder promote, the location uniformity of same kind of product improves, and this frock is applicable to the welding of transformer core folder of multiple specification.
Description
Technical Field
The utility model relates to a transformer manufacturing technology field, concretely relates to transformer core folder welding frock.
Background
In recent years, with the rapid development of the high-speed rail regaining number, the manufacturing technology of the national railway locomotive is greatly spanned again. With the safety consideration of the country to the tools for the intensive people to travel, such as the railway locomotive, the safety of the products is particularly concerned. The transformer is one of the key components of the high-speed locomotive, and the performance of the transformer directly influences the driving safety, so the welding precision and quality of the iron core clamping piece, which is the key component in the transformer, are important; meanwhile, with the development trend of modern automatic welding, the assembly precision requirement of products before welding is higher than that of the prior art, and the assembly efficiency is required to be higher and higher. The iron core clamping piece consists of a bottom plate, a rib plate I, a rib plate II, a screw hole plate, a web plate and a top plate, the assembling precision requirement of the iron core clamping piece is not more than 1 mm, and meanwhile, in order to meet the requirement of automatic welding equipment, the assembling consistency of the iron core clamping piece needs to be unified.
Because the existing manual assembly has errors, the sizes of the iron core clamping pieces always have errors, the iron core clamping pieces extremely depend on the proficiency and the operating skill of workers, the consistency is not high, and the iron core clamping pieces cannot be continuously improved; on one hand, in order to carry out automatic welding, improve the consistency and the assembly efficiency of workpieces, reduce the labor intensity of workers and reduce the dependence degree of the quality level of the workpieces on the skill of the workers, a welding assembly tool needs to be designed and manufactured; on the other hand, due to the fact that the personalized demands of customers are high, corresponding assembly welding tools are required to be manufactured for different iron core clamping pieces, and therefore the series of problems that the tool cost is high, the utilization rate is low, the occupied area is large, the management difficulty is high and the like are caused. How to solve the above problems, and ensure the assembly consistency and the size precision of each iron core clamping piece and improve the welding efficiency of operators, how to make the clamping piece tool implement generalization to the maximum extent so as to reduce the design and manufacturing cost, and how to improve the market competitiveness to the maximum extent is also the key point of enterprise development.
In summary, a welding tool for a transformer core clamp is urgently needed to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transformer core folder welding frock to solve transformer core folder welding precision and uniformity problem.
In order to achieve the purpose, the utility model provides a welding tool for a clamping piece of a transformer iron core, which comprises a base, a porous positioning plate, a pneumatic auxiliary pressing device and a positioning device; the porous positioning plate is vertically arranged on the base along the length direction of the base; at least two positioning devices are arranged along the length direction of the porous positioning plate, and one end of each positioning device is detachably connected with the porous positioning plate to realize the fixation of the length direction and the height direction of a workpiece; the pneumatic auxiliary pressing device is arranged on the base, and the distance between the pneumatic auxiliary pressing device and the porous positioning plate is adjustable, so that the workpiece is fixed in the width direction.
Preferably, a ball platform is arranged on the base; the ball platform comprises a platform and balls; the platform is installed on the base, and the ball equipartition is on the platform for reduce the resistance that the work piece removed.
Preferably, a plurality of positioning device mounting holes are uniformly formed in the porous positioning plate and used for mounting and adjusting the positions of the positioning devices.
Preferably, at least two reinforcing ribs are arranged on the porous positioning plate; the bottom of the reinforcing rib is connected with the base; one end face of the reinforcing rib is connected with the porous positioning plate so as to enhance the connection stability of the porous positioning plate and the base.
Preferably, the pneumatic auxiliary pressing device comprises a cylinder body, a pressing block and a connecting air pipe; the cylinder body is arranged on the base along the width direction of the base; the cylinder body is provided with a T-shaped groove for enabling the pressing block to be installed at the telescopic end of the cylinder body and to move linearly in the T-shaped groove; one end of the connecting air pipe is connected to the cylinder body, and the other end of the connecting air pipe is connected to the air source, so that the compressing block can move, and the workpiece can be compressed.
Preferably, the welding tool for the transformer core clamp further comprises a spiral pressing device; the spiral pressing devices are installed at two ends of the base in the length direction and used for pressing two end faces of the workpiece.
Preferably, the spiral pressing device comprises a fixed cross beam, a pressing bolt, a pressing nut and a rotary pressing block; the fixed cross beam is arranged along the width direction of the base; at least two compression nuts are uniformly arranged on the fixed cross beam, and the compression bolts are in threaded connection with the compression nuts; and a rotary pressing block is arranged at the contact end of the pressing bolt and the workpiece and is used for pressing two end faces of the workpiece.
Preferably, the base is provided with a mounting groove matched with the pneumatic auxiliary pressing device.
Preferably, the positioning device comprises a positioning body, a width adjusting block, a distance adjusting pad, an electromagnetic plate, a connecting nut, a power line, a positioning locking nut, a positioning pin and an electromagnetic block;
one end of the positioning body is connected with the porous positioning plate through a positioning pin and a positioning locking nut, and the other end of the positioning body is connected with the width adjusting block through a screw to adjust the width of the positioning device;
the positioning body is provided with a mounting groove matched with the electromagnetic block and used for mounting the electromagnetic block; the power line extends into the positioning body and is connected with the electromagnetic block so as to realize the on-off of the electromagnetic force of the electromagnetic block;
the distance adjusting pad is arranged on the side surface of the positioning body, and is provided with a through hole which is the same as that of the positioning body and is used for adjusting the distance between the adjacent rib plates of the workpiece;
the electromagnetic plate is arranged on the side surface of the distance adjusting pad and is in contact with the electromagnetic block; and the electromagnetic plate is provided with a stud, and the stud passes through the distance adjusting pad and the positioning body to be connected with the connecting nut so as to fix the distance adjusting pad and the electromagnetic plate.
Preferably, the locating pin is a stepped shaft, and the diameter of the threaded end, matched with the locating lock nut, on the locating pin is smaller than the size of the matched part of the locating pin and the porous locating plate, so as to prevent threads from scraping the mounting hole of the locating device on the porous locating plate.
Use the technical scheme of the utility model, following beneficial effect has:
(1) in the utility model, a plurality of groups of positioning holes with the same space are arranged on the porous positioning plate, and the positioning device is matched with the porous positioning plate, so that the positioning device can be installed at any position and can be suitable for welding transformer core clamps with various specifications; the positioning device is subjected to position adjustment by using the width adjusting block and the distance adjusting pad, so that the positioning precision of the transformer iron core clamping piece is improved, the positioning consistency of the same product is improved, and the device has the characteristics of replaceability and high precision; the electromagnetic block and the electromagnetic plate are used for adsorbing and fixing the rib plate of the workpiece, so that the workpiece can be automatically assembled and disassembled; through spiral closing device and pneumatic supplementary closing device, utilize the mode cooperation of screw thread and atmospheric pressure to fix the work piece, the free slip of cooperation ball platform can be fast, effectual each work piece of assurance quick, accurately clamping, prevents welding deformation.
(2) The utility model discloses in, be connected with external atmospheric pressure through connecting the trachea, utilize gaseous control to make the compact heap carry out reciprocating motion, every pneumatic supplementary closing device exclusive action, can be quick carry out the automation to the work piece of different shapes and different positions and compress tightly, realize the automation, the work piece moves the resistance little on the ball platform simultaneously, greatly reduced workman's intensity of labour.
(3) The utility model discloses in, utilize positioner's removal, width adjusting block's regulation or the mode of local change apart from the adjustment pad, can be suitable for the iron core folder of different models, need not redesign and make whole welding frock, greatly shortened production cycle, greatly reduced production manufacturing cost and welding frock manufacturing cost.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic structural view of a transformer core clamp welding tool;
FIG. 2 is a schematic diagram of a transformer core clamp configuration;
FIG. 3 is a schematic view of a ball platform configuration;
FIG. 4 is a schematic view of a porous positioning plate;
FIG. 5 is a schematic view of a screw press;
FIG. 6 is a schematic view of a pneumatic auxiliary pressing device;
FIG. 7 is a schematic view of a base structure;
FIG. 8 is an exploded view of the positioning device structure;
FIG. 9 is a schematic view of the positioning device;
FIG. 10 is a schematic view of a welding tool used in cooperation with a workpiece base plate;
FIG. 11 is a schematic view of a welding tool used for welding a workpiece rib plate;
FIG. 12 is a schematic view of a welding tool used to weld a work piece, a threaded hole plate;
FIG. 13 is a schematic view of a welding tool used for welding a web of a workpiece;
FIG. 14 is a schematic view of a welding tool used to weld a workpiece top plate.
The pneumatic auxiliary pressing device comprises a base, 1.1, a ball platform, 1.1.1, a platform, 1.1.2, balls, 2, a porous positioning plate, 2.1, a positioning device mounting hole, 2.2, a reinforcing rib, 3, a pneumatic auxiliary pressing device, 3.1, a cylinder body, 3.2, a pressing block, 3.3, a connecting air pipe, 4, a positioning device, 4.1, a positioning body, 4.2, a width adjusting block, 4.3, a distance adjusting pad, 4.4, an electromagnetic plate, 4.5, a connecting nut, 4.6, a power line, 4.7, a positioning locking nut, 4.8, a positioning pin, 4.9, an electromagnetic block, 5, a spiral pressing device, 5.1, a fixed cross beam, 5.2, a pressing bolt, 5.3, a pressing nut, 5.4, a rotary pressing block, 6, a workpiece, 6.1, a bottom plate, 6.2, a first rib plate, 6.3, a second rib plate, 6.4, a spiral plate, a top plate, 6.5.5, a web plate and a top plate.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1 to 14, a transformer core clamp welding tool is applied to welding a transformer core clamp in the present embodiment.
A welding tool for a transformer core clamping piece comprises a base 1, a porous positioning plate 2, a pneumatic auxiliary pressing device 3, a positioning device 4 and a spiral pressing device 5; the porous positioning plate 2 is vertically arranged on the base 1 along the length direction of the base 1; at least two positioning devices 4 are arranged along the length direction of the porous positioning plate 2, and one end of each positioning device 4 is detachably connected with the porous positioning plate 2 to fix the length direction and the height direction of a workpiece; the pneumatic auxiliary pressing device 3 is arranged on the base 1, and the distance between the pneumatic auxiliary pressing device 3 and the porous positioning plate 2 is adjustable; the fixing device is used for realizing the fixing of the width direction of the workpiece; the spiral pressing devices 5 are arranged at two ends of the base 1 in the length direction and used for fixing two end faces of the workpiece 6 in the welding process.
Referring to fig. 1 and 3, the base 1 is formed by welding profile steels, and a ball platform 1.1 is arranged on the base 1; the ball platform 1.1 comprises a platform 1.1.1 and balls 1.1.2; the platform 1.1.1 is installed on the base 1, the balls 1.1.2 are uniformly distributed on the platform 1.1.1, and when the workpiece 6 moves on the base 1, the resistance of the workpiece 6 to move can be reduced through the rolling of the balls 1.1.2, and the labor intensity of workers is reduced.
Referring to fig. 4, the porous positioning plate 2 is formed by processing a high-strength wear-resistant steel plate, a plurality of positioning device mounting holes 2.1 are uniformly formed in the porous positioning plate 2, the distance between every two rows of positioning device mounting holes 2.1 is the same, the distance between every two rows of positioning device mounting holes 2.1 is also the same, and the positioning device mounting holes 2.1 are formed by processing high-precision numerical control equipment, have high repeated positioning precision and are used for mounting and adjusting the positions of the positioning devices 4 so as to match the distance between the rib plates of the positioning workpiece 6.
Referring to fig. 4, at least two reinforcing ribs 2.2 are arranged on the porous positioning plate 2; the bottom of the reinforcing rib 2.2 is connected with the base 1; an end face of the reinforcing rib 2.2 is connected with the porous positioning plate 2 to enhance the stability of the connection of the porous positioning plate 2 and the base 1, and a corresponding position of the reinforcing rib 2.2 and the positioning device mounting hole 2.1 is provided with a groove to avoid interference with the positioning device 4 when the positioning device 4 is mounted on the porous positioning plate 2.
Referring to fig. 5, the pneumatic auxiliary pressing device 3 comprises a cylinder 3.1, a pressing block 3.2 and a connecting air pipe 3.3; the cylinder body 3.1 is arranged on the base 1 along the width direction of the base 1; a T-shaped groove is formed in the cylinder body 3.1, so that the pressing block 3.2 is arranged at the telescopic end of the cylinder body 3.1 and moves linearly in the T-shaped groove; one end of the connecting air pipe 3.3 is connected to the cylinder body 3.1, and the other end of the connecting air pipe is connected to an air source, so that the compressing block 3.2 can move, and the workpiece 6 can be compressed.
Referring to fig. 6, the screw pressing device 5 includes a fixed beam 5.1, a pressing bolt 5.2, a pressing nut 5.3 and a rotary pressing block 5.4; the fixed cross beams 5.1 are arranged at two ends of the base 1 in the length direction; at least two compression nuts 5.3 are uniformly arranged on the fixed cross beam 5.1, and the compression bolts 5.2 are in threaded connection with the compression nuts 5.3; and a rotating pressing block 5.4 is arranged at the contact end of the pressing bolt 5.2 and the workpiece 6, and the pressing bolt 5.2 is screwed in or out to press the two end faces of the workpiece 6.
Referring to fig. 7, the base 1 is provided with a mounting groove matched with the pneumatic auxiliary pressing device 3, so that the upper surface of the pneumatic auxiliary pressing device 3 is flush with the upper surface of the ball platform 1.1, the workpiece 6 is kept in a horizontal state when placed on the base 1, and welding errors are avoided.
Referring to fig. 8 and 9, the positioning device 4 includes a positioning body 4.1, a width adjusting block 4.2, a distance adjusting pad 4.3, an electromagnetic plate 4.4, a connecting nut 4.5, a power line 4.6, a positioning lock nut 4.7, a positioning pin 4.8 and an electromagnetic block 4.9;
one end of the positioning body 4.1 is connected with the porous positioning plate 2 through a positioning pin 4.8 and a positioning lock nut 4.7, and the other end is connected with the width adjusting block 4.2 through a screw to adjust the width of the positioning device 4;
the positioning body 4.1 is provided with an installation groove matched with the electromagnetic block 4.9 and used for installing the electromagnetic block 4.9; the power line 4.6 extends into the positioning body 4.1 and is connected with the electromagnetic block 4.9 to realize the on-off of the electromagnetic force of the electromagnetic block 4.9, so that the electromagnetic force is used for adsorbing, fixing and unloading the rib plate of the workpiece 6 in the welding process;
the distance adjusting pad 4.3 is arranged on the side face of the positioning body 4.1, through holes which are the same as those of the positioning body 4.1 are formed in the distance adjusting pad 4.3, fine adjustment of the distance between adjacent rib plates of the workpiece 6 is achieved by selecting the distance adjusting pad 4.3 with proper thickness, and the accuracy of positioning the rib plates is improved;
the electromagnetic plate 4.4 is arranged on the side surface of the distance adjusting pad 4.3, and the electromagnetic plate 4.4 is in contact with the electromagnetic block 4.9; and a stud is arranged on the electromagnetic plate 4.4, penetrates through the distance adjusting pad 4.3 and the positioning body 4.1 and is connected with a connecting nut 4.5 so as to fix the distance adjusting pad 4.3 and the electromagnetic plate 4.4.
The locating pin 4.8 is the step shaft, and the threaded end diameter size of 4.7 complex with the location lock nut on the locating pin 4.8 is less than locating pin 4.8 and 2 cooperation portions sizes of porous locating plate for prevent that the screw thread from scraping positioner mounting hole 2.1 on the porous locating plate 2, prevent to produce the influence to the positioning accuracy of positioner mounting hole 2.1.
The transformer core clamping piece welding method using the transformer core clamping piece welding tool comprises the following steps:
the method comprises the following steps: referring to fig. 1 and 2, according to the size requirement of the iron core clamp of the required type, the hole pitch of the positioning device mounting holes 2.1 on the porous positioning plate 2 and the mounting size of the positioning device 4 are combined for calculation, the mounting position of the positioning device 4 is determined, and coarse adjustment is performed; then, fine adjustment is carried out by utilizing a distance adjusting pad 4.3 and a width adjusting block 4.2, and the connecting nut 4.5 can be screwed down after the drawing requirements of a workpiece 6 are met; and checking the verticality of each mounting surface of the welding tool, and after the welding tool is ensured to be error-free, electrifying a power supply and an air source to detect whether the electromagnetic block 4.9 and the pneumatic auxiliary pressing device 3 are flexible or not.
Step two: referring to fig. 10, an iron core clamp bottom plate 6.1 is placed on a ball platform 1.1 and is compressed by the combined action of a spiral compressing device 5 and a pneumatic auxiliary compressing device 3;
step three: referring to fig. 11, a rib plate I6.2 and a rib plate II 6.3 of a workpiece 6 are placed on a welding tool according to the position requirements of the drawing, the rib plate I6.2 and the rib plate II 6.3 are required to be close to a bottom plate 6.1, and adsorption and automatic fixation are carried out by the electromagnetic force of a positioning device 4; welding spot welding is carried out on the crossed positions of the rib plate I6.2, the rib plate II 6.3 and the bottom plate 6.1;
step four: referring to fig. 12, the screw hole plate 6.4 is placed on a welding tool according to the position requirement of the drawing, the screw hole plate is required to be close to the positioning device 4 and the rib plate I6.2 at the same time, and then the cross position of the screw hole plate 6.4, the bottom plate 6.1 and the rib plate I6.2 is welded and tack-welded;
step five: referring to fig. 13, the web 6.5 is placed on a welding tool according to the drawing position, and is required to be close to the second rib plate 6.3 and the second base plate 6.1, and then the cross position of the web 6.5, the second base plate 6.1 and the second rib plate 6.3 is welded and tack welded;
step six: referring to fig. 14, the power connection and the gas source of the electromagnetic block 4.9 are disconnected, the spiral pressing device 5 is loosened, the welded workpiece 6 is pulled out until the top plate 6.6 can be installed on the top surface of the workpiece 6, the gas source is communicated again after the drawing requirements are met, the workpiece 6 is pressed by the aid of the air pressure auxiliary pressing device 3.2 and the end face of the positioning device 4, and then the intersection positions of the top plate 6.6, the bottom plate 6.1, the rib plate I6.2 and the rib plate II 6.3 are welded; and the workpiece 6 can be taken out by loosening the air pressure valve, so that the high-precision transformer iron core clamping piece is provided for the subsequent automatic welding process.
Step seven: repeating the first step to the sixth step to complete the welding of the next workpiece 6; if a product of another model is replaced, the welding tool can be used universally for iron core clamps of transformers of different models only by adjusting the distance between the positioning devices 4 in the step one, replacing the corresponding distance adjusting pads 4.3 and width adjusting blocks 4.2, moving the positioning devices 4, the spiral pressing devices 5 and the like.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A welding tool for a transformer core clamping piece is characterized by comprising a base (1), a porous positioning plate (2), a pneumatic auxiliary pressing device (3) and a positioning device (4); the porous positioning plate (2) is vertically arranged on the base (1) along the length direction of the base (1); at least two positioning devices (4) are arranged along the length direction of the porous positioning plate (2), and one end of each positioning device (4) is detachably connected with the porous positioning plate (2) to fix the length direction and the height direction of a workpiece; the pneumatic auxiliary pressing device (3) is arranged on the base (1), and the distance between the pneumatic auxiliary pressing device (3) and the porous positioning plate (2) is adjustable so as to fix the workpiece in the width direction.
2. The transformer core clamp welding tool according to claim 1, wherein a ball platform (1.1) is arranged on the base (1); the ball platform (1.1) comprises a platform (1.1.1) and balls (1.1.2); the platform (1.1.1) is arranged on the base (1), and the balls (1.1.2) are uniformly distributed on the platform (1.1.1) to reduce the resistance of the movement of the workpiece.
3. The transformer core clamp welding tool according to claim 1, wherein a plurality of positioning device mounting holes (2.1) are uniformly formed in the porous positioning plate (2) and used for mounting and adjusting the positions of the positioning devices (4).
4. The transformer core clamp welding tool according to claim 3, wherein at least two reinforcing ribs (2.2) are arranged on the porous positioning plate (2); the bottom of the reinforcing rib (2.2) is connected with the base (1); one end face of the reinforcing rib (2.2) is connected with the porous positioning plate (2) so as to enhance the connection stability of the porous positioning plate (2) and the base (1).
5. The transformer core clamp welding tool according to claim 1, wherein the pneumatic auxiliary pressing device (3) comprises a cylinder body (3.1), a pressing block (3.2) and a connecting air pipe (3.3); the cylinder body (3.1) is arranged on the base (1) along the width direction of the base (1); the cylinder body (3.1) is provided with a T-shaped groove, so that the pressing block (3.2) is arranged at the telescopic end of the cylinder body (3.1) and moves linearly in the T-shaped groove; one end of the connecting air pipe (3.3) is connected to the cylinder body (3.1), and the other end of the connecting air pipe is connected to an air source so as to realize the movement of the pressing block (3.2) and the pressing of the workpiece.
6. The transformer core clamp welding tool according to claim 1, further comprising a spiral pressing device (5); the spiral pressing devices (5) are installed at two ends of the base (1) in the length direction and used for pressing two end faces of a workpiece.
7. The transformer core clamp welding tool according to claim 6, wherein the spiral compression device (5) comprises a fixed cross beam (5.1), a compression bolt (5.2), a compression nut (5.3) and a rotary pressing block (5.4); the fixed cross beam (5.1) is installed along the width direction of the base (1); at least two compression nuts (5.3) are uniformly arranged on the fixed cross beam (5.1), and the compression bolts (5.2) are in threaded connection with the compression nuts (5.3); and a rotating pressing block (5.4) is arranged at the contact end of the pressing bolt (5.2) and the workpiece and is used for pressing two end faces of the workpiece.
8. The transformer core clamp welding tool according to claim 7, wherein an installation groove matched with the pneumatic auxiliary pressing device (3) is formed in the base (1).
9. The transformer core clamp welding tool according to claim 1, wherein the positioning device (4) comprises a positioning body (4.1), a width adjusting block (4.2), a distance adjusting pad (4.3), an electromagnetic plate (4.4), a connecting nut (4.5), a power line (4.6), a positioning locking nut (4.7), a positioning pin (4.8) and an electromagnetic block (4.9);
one end of the positioning body (4.1) is connected with the porous positioning plate (2) through a positioning pin (4.8) and a positioning lock nut (4.7), and the other end of the positioning body is connected with the width adjusting block (4.2) through a screw to adjust the width of the positioning device (4);
the positioning body (4.1) is provided with a mounting groove matched with the electromagnetic block (4.9) for mounting the electromagnetic block (4.9); the power line (4.6) extends into the positioning body (4.1) and is connected with the electromagnetic block (4.9) so as to realize the on-off of the electromagnetic force of the electromagnetic block (4.9);
the distance adjusting pad (4.3) is arranged on the side face of the positioning body (4.1), and the distance adjusting pad (4.3) is provided with a through hole which is the same as that of the positioning body (4.1) and is used for adjusting the distance between adjacent rib plates of the workpiece;
the electromagnetic plate (4.4) is arranged on the side surface of the distance adjusting pad (4.3), and the electromagnetic plate (4.4) is in contact with the electromagnetic block (4.9); the electromagnetic plate (4.4) is provided with a stud which passes through the distance adjusting pad (4.3) and the positioning body (4.1) to be connected with the connecting nut (4.5) so as to fix the distance adjusting pad (4.3) and the electromagnetic plate (4.4).
10. The transformer core clamp welding tool according to claim 9, wherein the positioning pin (4.8) is a stepped shaft, and the diameter of a threaded end of the positioning pin (4.8) engaged with the positioning lock nut (4.7) is smaller than the size of an engaging portion of the positioning pin (4.8) and the porous positioning plate (2) so as to prevent threads from scraping a positioning device mounting hole (2.1) of the porous positioning plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922051688.7U CN210878344U (en) | 2019-11-25 | 2019-11-25 | Welding tool for clamping piece of transformer core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922051688.7U CN210878344U (en) | 2019-11-25 | 2019-11-25 | Welding tool for clamping piece of transformer core |
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| Publication Number | Publication Date |
|---|---|
| CN210878344U true CN210878344U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922051688.7U Active CN210878344U (en) | 2019-11-25 | 2019-11-25 | Welding tool for clamping piece of transformer core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948157A (en) * | 2019-11-25 | 2020-04-03 | 湖南联诚轨道装备有限公司 | Welding tool for clamping piece of transformer core |
| CN112589349A (en) * | 2020-12-11 | 2021-04-02 | 重庆中车长客轨道车辆有限公司 | Welding tool, welding system, positioning method and welding method |
-
2019
- 2019-11-25 CN CN201922051688.7U patent/CN210878344U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948157A (en) * | 2019-11-25 | 2020-04-03 | 湖南联诚轨道装备有限公司 | Welding tool for clamping piece of transformer core |
| CN112589349A (en) * | 2020-12-11 | 2021-04-02 | 重庆中车长客轨道车辆有限公司 | Welding tool, welding system, positioning method and welding method |
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Effective date of registration: 20240321 Address after: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000 Patentee after: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. Country or region after: Zhong Guo Patentee after: Hunan Liancheng Special Equipment Co.,Ltd. Address before: 412001 office building of Tianxin Liancheng company, Shifeng District, Zhuzhou City, Hunan Province Patentee before: Hunan Medex Electric Co.,Ltd. Country or region before: Zhong Guo Patentee before: Hunan Liancheng Special Equipment Co.,Ltd. |