CN214185701U - Positioning tool for improving resistance welding quality of transformer - Google Patents
Positioning tool for improving resistance welding quality of transformer Download PDFInfo
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- CN214185701U CN214185701U CN202021937296.7U CN202021937296U CN214185701U CN 214185701 U CN214185701 U CN 214185701U CN 202021937296 U CN202021937296 U CN 202021937296U CN 214185701 U CN214185701 U CN 214185701U
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Abstract
The utility model discloses a promote location frock of transformer resistance welding quality relates to welding equipment's technical field, and it includes positioning fixture, and positioning fixture is provided with the magnetism that is used for fixed transformer and inhales the subassembly and be used for carrying out the location portion of fixing a position to the transformer, is formed with the constant head tank that is used for going on fixing a position PCBA on the loading board, is provided with first magnetism on the loading board and inhales the piece, is provided with on the positioning fixture to inhale the second magnetism that the piece attracted mutually with first magnetism. The welding method that this scheme can replace welding operation personnel to advance line location to the transformer through the hand avoids long-time operation easily tired and mechanical damage's risk to improve the positioning accuracy that the transformer is located PCBA, fix a position it before welding through the frock, can also guarantee the uniformity and the quality of spot welding transformer in batches.
Description
Technical Field
The utility model relates to a welding equipment's technical field especially relates to a promote location frock of transformer resistance welding quality.
Background
The resistance spot welding machine adopts a capacitance energy storage type power supply, and three groups of adjustable welding parameters of welding Force (Force), output Pulse Amplitude/voltage (Pulse Amplitude) and Pulse width/time (Pulse Duration) are set. During welding, three groups of parameters are set according to the different wire diameters of the enameled wires and the different weldment, and when the welding force reaches a set value, the current is conducted. Because the tip of the welding head is provided with the ohm connecting body with a certain resistance value, the tip of the welding head generates electric sparks, one part of the insulating paint contacting with the welding head is burnt, and the rest part of the insulating paint retreats to the two ends to expose metal. Under the continuous action of welding force, a large amount of current flows into the bare metal wire and the metal substrate to realize paint removal welding, and paint removal and welding are completed at the same pulse output.
However, in the process of welding the ring transformer and the PCBA by resistance spot welding, an operator is required to manually press the transformer for positioning, the grasp of the welding point is all based on the experience of the operator, the transformer is not easy to be accurately positioned, and the consistency and the quality of welding are difficult to ensure.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an aim at: the utility model provides a promote location frock of transformer resistance welding quality, on the assigned position with placing the transformer in PCBA through positioning fixture and loading board cooperation, improve the positioning accuracy between transformer and the PCBA, reduce the human labor cost to solve the above-mentioned problem that exists among the prior art.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a positioning tool for improving the resistance welding quality of a transformer comprises a positioning clamp, wherein the positioning clamp is provided with a magnetic suction assembly for fixing the transformer and a positioning part for positioning the transformer, and the magnetic suction assembly and the positioning part are oppositely arranged on the positioning clamp; the positioning fixture comprises a bearing plate, a positioning groove and a first magnetic attraction piece, wherein the positioning groove is formed in the bearing plate and used for positioning the PCBA, the first magnetic attraction piece is arranged on the bearing plate, a second magnetic attraction piece which can be attracted with the first magnetic attraction piece is arranged on the positioning fixture, and the second magnetic attraction piece and the magnetic attraction component are arranged in a staggered mode; the positioning part is positioned between the positioning groove and the positioning clamp in a state that the first magnetic attraction piece and the second magnetic attraction piece are attracted mutually.
Furthermore, the magnetic attraction component comprises two positioning magnets arranged side by side, the two positioning magnets are positioned on the same horizontal plane, and the magnetic poles of the two positioning magnets face opposite directions; in the vertical projection direction of the positioning clamp, the positioning part is arranged between the two positioning magnets.
Furthermore, the positioning part is of a columnar structure and is convexly arranged on the surface of the positioning clamp, and the central axis of the positioning part is perpendicular to the horizontal plane.
Furthermore, the magnetic suction assembly and the positioning part are multiple, and the magnetic suction assembly and the positioning part are in one-to-one correspondence and are sequentially arranged along the length direction of the positioning clamp.
Further, the positioning clamp comprises an upper plate and a pressing strip, and the upper plate is detachably connected with the pressing strip; the magnetic attraction component is arranged on the upper plate, and the positioning portion is arranged on one side, far away from the upper plate, of the pressing strip.
Furthermore, an embedding groove penetrating through two opposite ends of the upper plate is formed in the surface of one side, close to the pressing strip, of the upper plate, and the embedding groove is located between the two positioning magnets in the vertical projection direction of the upper plate; the pressing strip is detachably arranged in the embedding groove, the thickness of the pressing strip is smaller than or equal to the depth of the embedding groove, and the positioning part extends towards the direction far away from the embedding groove and protrudes out of the surface of the upper plate.
Furthermore, fixing parts are arranged at two opposite ends of the upper plate, and connecting parts which are opposite to the fixing parts and can be detachably matched with the fixing parts are arranged at two opposite ends of the pressing strip; the fixing part and/or the connecting part are/is provided with the second magnetic suction piece.
Furthermore, the connecting part extends to a direction away from the upper plate to form a bump, and the extending thickness of the bump is greater than or equal to the thickness of the transformer.
Furthermore, a surrounding plate is arranged at the edge of the bearing plate, and the positioning groove is formed in the surrounding plate; the enclosing plate and the positioning groove are provided with the first magnetic attraction piece, and the first magnetic attraction piece is respectively used for being matched with the second magnetic attraction piece in a magnetic attraction manner.
Further, the detent depth is equal to the thickness of the PCAB.
The utility model has the advantages that: in the welding process of the transformer and the PCBA, the transformer is magnetically attracted to the positioning fixture by the magnetic attraction component and is kept in a positioning part state, the positioning fixture can be magnetically attracted to the first magnetic attraction piece on the bearing plate with the PCBA through the second magnetic attraction piece and can be in magnetic attraction matching with the first magnetic attraction piece on the bearing plate with the PCBA, the distance between the second magnetic attraction piece on the positioning fixture and the positioning part can be correspondingly designed according to the position of the transformer on the PCBA, after the positioning fixture is matched with the bearing plate, the transformer can be accurately placed on the position of the PCBA for welding the transformer, the positioning fixture is fixed to the upper portion of the PCBA, and the traditional manual positioning method is replaced.
Through this frock, replace welding operation personnel to carry out the welding method of location to the transformer through the hand, can avoid long-time operation easily tired and mechanical damage's risk to improve the positioning accuracy that the transformer is located PCBA, fix a position it before welding through the frock, can also guarantee the uniformity and the quality of spot welding transformer in batches.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
FIG. 1 is a schematic view of the overall structure of the positioning tool for improving the quality of resistance welding of the transformer in the use state of the positioning tool of the present invention;
fig. 2 is a top view of the positioning fixture of the present invention;
fig. 3 is a side view of the positioning jig of the present invention;
fig. 4 is a bottom view of the positioning fixture of the present invention;
fig. 5 is a schematic diagram of states of steps S9-S10 of a welding method for improving transformer resistance welding quality according to an embodiment of the present invention;
fig. 6 is a second schematic diagram of states of steps S9-S10 of the welding method for improving the quality of transformer resistance welding according to the embodiment of the present invention;
fig. 7 is a schematic diagram of a state of step S20 of a welding method for improving the quality of transformer resistance welding according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a state of a step S30 of a welding method for improving the quality of transformer resistance welding according to an embodiment of the present invention;
fig. 9 is a second state diagram of the welding method for improving the quality of the transformer resistance welding according to the embodiment of the present invention in step S30;
fig. 10 is a schematic view of a state of a step S31 of a welding method for improving the quality of transformer resistance welding according to an embodiment of the present invention;
fig. 11 is a second state diagram of the welding method for improving the quality of transformer resistance welding according to the embodiment of the present invention in step S31.
In the figure: 10. positioning a clamp; 11. a magnetic component; 111. positioning a magnet; 12. a positioning part; 13. a second magnetic attraction member; 14. an upper plate; 141. an embedding groove; 142. a fixed part; 143. a handle; 15. layering; 151. a connecting portion; 152. a bump; 153. pressing a plate; 16. a first surface; 17. a second surface; 20. a carrier plate; 21. positioning a groove; 22. enclosing plates; 23. the first magnetic attraction piece.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the embodiments of the present invention are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 4, in order to improve the positioning and welding precision between the transformer, in particular, the ring transformer and the PCBA to which the transformer needs to be welded, the present embodiment provides a positioning tool for improving the quality of transformer resistance welding, and the tool is used for positioning and fixing the transformer on the PCBA to which the transformer needs to be welded, so as to omit the step of manually pressing and positioning the transformer.
This promote location frock of transformer resistance welding quality includes positioning fixture 10, positioning fixture 10 is used for carrying out the prepositioning to the voltmeter before transformer and PCBA welding, positioning fixture 10 is provided with magnetism subassembly 11 and the location portion 12 that is used for going on fixing a position the transformer of inhaling that is used for the fixed transformer, it is the same with location portion 12 relative setting and quantity on positioning fixture 10 to inhale subassembly 11, it is concrete, as shown in FIG. 2 be positioning fixture 10's vertical projection direction, it coincides with location portion 12 to inhale subassembly 11 with magnetism, as shown in FIG. 3, on positioning fixture 10's the projection direction that looks sideways at, it is upper and lower setting to inhale subassembly 11 and location portion 12 to inhale the magnetism, so that the transformer of arranging on location portion 12 in can be inhaled subassembly 11 magnetism by magnetism, let the transformer can be kept on location portion 12, prepositioning it, be convenient for subsequent welding.
Still including being used for with positioning fixture 10 complex loading board 20, be formed with the constant head tank 21 that is used for advancing the location to PCBA on the loading board 20, before the welding, need arrange PCBA in constant head tank 21 earlier, the size of constant head tank 21 can be designed according to PCBA's size, its size and PCBA periphery shape phase-match, can play when PCBA arranges constant head tank 21 in, can't move on the horizontal direction can, guarantee that the relative position of follow-up welding process PCBA and transformer can not change or be unlikely to the degree that leads to welding process failure.
In order to ensure the positioning accuracy of the transformer and the PCBA to be welded, the bearing plate 20 is provided with a first magnetic attraction piece 23, the positioning fixture 10 is provided with a second magnetic attraction piece 13 which can attract the first magnetic attraction piece 23, after the transformer is placed in the positioning portion 12 and the PCBA is placed in the positioning slot 21, and after the welding earlier stage work, the bearing plate 20 is magnetically attracted and matched with the second magnetic attraction piece 13 through the first magnetic attraction piece 23, and the positioning portion 12 is located between the positioning slot 21 and the positioning fixture 10 in a state that the first magnetic attraction piece 23 and the second magnetic attraction piece 13 are attracted, so that the transformer is fixed on the upper portion or the surface of the PCBA, and a method for manually pressing the transformer on the PCBA is replaced, thereby saving manpower, wherein the second magnetic attraction piece 13 and the magnetic attraction piece 11 are arranged in a staggered manner, and avoiding mutual interference of magnetic fields of the second magnetic attraction piece 13 and the magnetic attraction piece 11 and influencing the stability of the transformer on the positioning portion 12. The distance between the second magnetic part 13 and the positioning part 12 and the magnetic part 11 will determine the position of the transformer in the positioning slot 21, so the distance between the second magnetic part 13 and the positioning part 12 and the magnetic part 11 can be designed by calculating the position of the transformer to be welded according to the size specification of the PCBA.
In order to optimize the above solution and make the welding precision between the PCBA and the transformer higher, the magnetic assembly 11 includes two positioning magnets 111 arranged side by side, the two positioning magnets 111 are in the same horizontal plane and the magnetic poles are opposite, the N pole of one magnet and the S pole of the other magnet are in the same plane, so as to solve the problem that the transformer is side-standing caused by uneven stress of the single magnet, in this example, for the convenience of understanding of the solution, the positioning fixture 10 includes two first surfaces 16 and second surfaces 17 which are opposite up and down and arranged horizontally, the first surface 16 is the upper surface of the positioning fixture 10, the second surface 17 is the lower surface of the positioning fixture 10, two fixing grooves matching with the positioning magnets 111 are opened on the first surface 16, the positioning magnets 111 adopted in this example are cake-shaped, the depth of the fixing grooves is the same as the thickness of the positioning magnets 111, so that the positioning magnets 111 are embedded on the fixing grooves, the surface of the positioning magnet 111 and the first surface 16 are kept as the same plane as possible, the positioning part 12 is arranged on the second surface 17 opposite to the positioning magnet 111, the magnetic force of the positioning magnet 111 passes through the positioning fixture 10, and the transformer arranged on the positioning part 12 of the second surface 17 is absorbed and abutted against the second surface 17, so that the positioning fixture 10 is arranged in the mutual attraction direction of the transformer and the positioning magnet 111, and the transformer and the positioning magnet 111 can be kept in a relatively stable state on the positioning fixture 10.
On the basis of the above scheme, in order to further promote the stability under the transformer location state, on the vertical projection direction of positioning fixture 10, location portion 12 sets up between two location magnet 111, and two magnetic poles orientation opposite location magnet 111 can carry out magnetism to the transformer that is in middle part under its both vertical directions under the state side by side, lets the transformer body atress even, remain stable.
This scheme mainly used ring transformer and PCBA's fixed-position welding, consequently, location portion 12 is columnar structure and protrusion setting in positioning fixture 10 surface, connects the aforesaid, here positioning fixture 10 surface be second surface 17, the axis and the horizontal plane mutually perpendicular of location portion 12, the preferred through-hole that is less than ring transformer middle part a little of diameter of reference column, it is specific, under positioning fixture 10's vertical projection direction, the center of reference column is located the tangency point of two fixed slots for supply ring transformer cover to establish on the reference column and be inhaled by two location magnet 111 magnetism.
In order to improve the welding efficiency of the transformer or avoid redesigning the positioning fixture 10 when welding PCBAs of different specifications and sizes, the magnetic components 11 and the positioning portions 12 are multiple, the magnetic components 11 and the positioning portions 12 are in one-to-one correspondence and are sequentially arranged along the length direction of the positioning fixture 10, and the distance between any two adjacent magnetic components 11 is preferably equal to the distance between any two adjacent positioning portions 12. Can once cross a plurality of transformers and weld, simultaneously, when carrying out transformer welding to different specification and dimension's PCBA, operating personnel only need arrange the transformer in required welding transformer and arrange in on the location portion 12 that corresponds the position, can accomplish the process of transformer location on the position of the required welding transformer of PCBA with positioning fixture 10 and the actuation of loading board 20 afterwards.
The welding positioning clamp 10 comprises an upper plate 14 and a pressing strip 15, wherein the upper plate 14 is detachably connected with the pressing strip 15, a magnetic suction assembly 11 is arranged on the upper plate 14, a positioning part 12 is arranged on one side of the pressing strip 15, which is far away from the upper plate 14, after the upper plate 14 is matched with the pressing strip 15, one side of the upper plate 14, which is far away from the pressing strip 15, forms a first surface 16, one side of the pressing strip 15, which is far away from the upper plate 14, forms a second surface 17, because the magnetic suction assembly 11 is a positioning magnet 111 arranged on two sides side by side, the occupied horizontal width area is larger, the width of the pressing strip 15 is preferably smaller than the diameter of a ring-shaped transformer body and larger than or equal to the diameter of a ring-shaped transformer through hole, after the positioning clamp 10 is matched with a bearing plate 20, the part (namely the upper plate 14) provided with the magnetic suction assembly 11 can shield the positioning part (namely the pressing strip 15) used for fixing and positioning the transformer, therefore, with upper plate 14 and layering 15 split type setting, can let positioning fixture 10 magnetism inhale after on loading board 20, separate upper plate 14 and layering 15, inhale piece 13 and the first magnetism of loading board 20 through the second magnetism on layering 15 and inhale piece 23 mutual actuation, or only inhale the piece 23 through the first magnetism of loading board 20 and keep the actuation to layering 15 in order to keep layering 15 to be fixed in the state on PCBA with the transformer, and the relative both sides of transformer also can expose and can go on more convenient and fast in order to supply subsequent welding. Moreover, when transformers with different specifications are welded, the transformer can be corresponded to the corresponding transformer by only replacing the upper plate 14 or the batten 15.
In connection with the above, the surface of the upper plate 14 close to the pressing strip 15 is provided with the embedding groove 141 penetrating through the two opposite ends of the upper plate 14, in the vertical projection direction of the upper plate 14, the embedding groove 141 is located between the two positioning magnets 111, the pressing strip 15 is detachably disposed in the embedding groove 141, the thickness of the pressing strip 15 is less than or equal to the depth of the embedding groove 141, in this example, the thickness of the pressing strip 15 is equal to the depth of the embedding groove 141, so that the second surface 17 of the pressing strip 15 is flush with the upper surface of the embedding groove 141, and the positioning portion 12 extends to the direction far away from the embedding groove 141 and protrudes out of the lower surface of the upper plate 14.
The fixing portions 142 are disposed at two opposite ends of the upper plate 14, the connecting portions 151 are disposed at two opposite ends of the pressing strip 15, opposite to the fixing portions 142, and detachably engaged with the fixing portions 142, the connecting portions 151 are disposed at two opposite ends of the pressing strip 15 and located at two opposite ends of the insertion groove 141, in this example, the connecting portions 151 have protrusions 152 extending in a direction away from the upper plate 14, and the extending thickness of the protrusions 152 is preferably the same as the thickness of the ring transformer to be welded. The fixing portion 142 and/or the connecting portion 151 are/is provided with a second magnetic attraction element 13, preferably, the upper plate 14 and the pressing bar 15 are made of metal, and if the fixing portion 142 is provided with the second magnetic attraction element 13, after the upper plate 14 is separated from the pressing bar 15, the pressing bar 15 can be positioned and magnetically attracted to the pressing bar 15 through the first magnetic attraction element 23 on the bearing plate 20, in this example, the two connecting portions 151 are provided with the second magnetic attraction element 13, the second magnetic attraction element 13 is embedded on a side surface of the connecting portion 151 away from the upper plate 14, and after being magnetically attracted and matched with the bearing plate 20, because the connecting portion 151 protrudes out of the pressing bar 15 and the protruding length is equal to or slightly greater than the thickness of the transformer, the two connecting portions 151 can mainly play a role of supporting the pressing bar 15, and when the transformer is positioned on the PCBA, the transformer body is prevented from being crushed by excessive magnetic force of the bearing plate 20.
In this example, in order to facilitate the separation of the upper plate 14 from the pressing strip 15, the handle 143 extends from the fixing portion 142 at one end of the upper plate 14 in the direction away from the pressing strip 15, the pressing strip 15 is located at the connecting portion 151 at the end provided with the handle 143, and the pressing plate 153 extends in the horizontal direction, and a separation space is formed between the pressing plate 153 and the handle 143, so that an operator can press the pressing plate 153 with one hand and hold the handle 143 with the other hand in the process of separating the upper plate 14 from the pressing strip 15, and can separate the upper plate 14 from the pressing strip 15 by pulling the handle 143.
Specifically, the edge of loading board 20 is provided with bounding wall 22, encloses in the bounding wall 22 and establishes and form foretell constant head tank 21, all is provided with first magnetism on bounding wall 22 and the constant head tank 21 and inhales a 23, and first magnetism is inhaled a 23 and is used for respectively inhaling the cooperation of inhaling with the second magnetism 13, makes the relative both ends of positioning fixture 10, layering 15 respectively with bounding wall 22 and see through PCBA and constant head tank 21 magnetism and inhale the location, guarantees positioning fixture 10's stability.
As shown in fig. 5 to 11, the present embodiment further provides a welding method for improving transformer resistance welding quality, specifically, a method for using the positioning tool for improving transformer resistance welding quality, which includes the following steps:
s9, the pressing strip 15 is configured in the embedding groove 141 of the upper plate 14, and the upper plate 14 and the pressing strip 15 are magnetically matched through the magnetic component 11 and the second magnetic component 13 to form the positioning fixture 10;
s10, placing the toroidal transformer on the positioning portion 12 of the positioning fixture 10, specifically, sleeving the toroidal transformer on the positioning post of the pressing bar 15, and magnetically attracting the toroidal transformer body by the magnetic attraction component 11 on the positioning fixture 10 (the upper plate 14) to keep the toroidal transformer on the positioning portion 12;
s20, placing the PCBA in the bearing plate 20 and clamping the PCBA in the positioning groove 21, wherein the periphery of the PCBA is surrounded by the coaming 22, and the surface of the PCBA is flush with the surface of the coaming 22;
s30, arranging the positioning fixture 10 on the bearing plate 20 and magnetically attracting and matching the first magnetic attraction piece 23 and the second magnetic attraction piece 13 to fix the ring transformer on the upper part of the PCBA by the positioning fixture 10 and position the ring transformer on a corresponding position;
s31, separating the upper plate 14 of the positioning clamp 10 from the batten 15, so that the ring transformer is fixed on the upper part of the PCBA through the batten 15;
and S40, the positioning fixture 10 is separated from the bearing plate 20 after the annular transformer is welded on the PCBA in a spot welding mode.
The tool and the welding method can be used in a scene that a transformer needs to be welded on a PCB in the manufacturing process of products such as a micro-power module, a bus communication module, a data acquisition module and the like, and the current industry commonly adopts a resistance welding mode to assemble the transformer on the PCB. Resistance spot welding needs operating personnel to press the transformer at the welding in-process and fixes a position, and the assurance of butt welding point relies on operating personnel's experience entirely, is difficult for fixing a position the transformer, hardly guarantees the uniformity and the quality of product.
The utility model utilizes the suction effect of the positioning magnet 111 on the transformer core and the positioning columns to position the transformer, so that when the transformer is welded, an operator does not need to press the transformer by hand, thereby avoiding fatigue and mechanical damage caused by long-time operation of the operator; the positioning column can accurately position the transformer, and the consistency and the quality of the transformers subjected to spot welding in batches are guaranteed.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used merely for convenience in description and simplicity in operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The utility model provides a promote location frock of transformer resistance welding quality which characterized in that includes:
the transformer positioning device comprises a positioning clamp (10), wherein the positioning clamp (10) is provided with a magnetic suction assembly (11) for fixing a transformer and a positioning part (12) for positioning the transformer, and the magnetic suction assembly (11) and the positioning part (12) are oppositely arranged on the positioning clamp (10) and are consistent in quantity;
the positioning fixture comprises a bearing plate (20), wherein a positioning groove (21) for positioning the PCBA is formed in the bearing plate (20), a first magnetic attraction piece (23) is arranged on the bearing plate (20), a second magnetic attraction piece (13) capable of attracting the first magnetic attraction piece (23) is arranged on a positioning fixture (10), and the second magnetic attraction piece (13) and the magnetic attraction piece (11) are arranged in a staggered mode;
under the state that the first magnetic part (23) and the second magnetic part (13) are attracted, the positioning part (12) is positioned between the positioning groove (21) and the positioning clamp (10).
2. The positioning tool for improving the resistance welding quality of the transformer according to claim 1, wherein the magnetic attraction component (11) comprises two positioning magnets (111) arranged side by side, the two positioning magnets (111) are positioned on the same horizontal plane, and the magnetic poles of the two positioning magnets are opposite in direction;
the positioning part (12) is arranged between the two positioning magnets (111) in the vertical projection direction of the positioning clamp (10).
3. The positioning tool for improving the resistance welding quality of the transformer according to claim 2, wherein the positioning portion (12) is of a columnar structure and is convexly arranged on the surface of the positioning clamp (10), and a central axis of the positioning portion (12) is perpendicular to a horizontal plane.
4. The positioning tool for improving the resistance welding quality of the transformer according to claim 3, wherein the number of the magnetic components (11) and the number of the positioning portions (12) are multiple, and the magnetic components (11) and the positioning portions (12) are in one-to-one correspondence and are sequentially arranged along the length direction of the positioning fixture (10).
5. The positioning tool for improving the quality of transformer resistance welding according to any one of claims 2-4, characterized in that the positioning fixture (10) comprises an upper plate (14) and a pressing strip (15), wherein the upper plate (14) is detachably connected with the pressing strip (15);
the magnetic attraction component (11) is arranged on the upper plate (14), and the positioning portion (12) is arranged on one side, far away from the upper plate (14), of the pressing strip (15).
6. The positioning tool for improving the resistance welding quality of the transformer according to claim 5, wherein an embedding groove (141) penetrating through two opposite ends of the upper plate (14) is formed in one side surface of the upper plate (14) close to the pressing bar (15), and in the vertical projection direction of the upper plate (14), the embedding groove (141) is positioned between the two positioning magnets (111);
the pressing strip (15) is detachably arranged in the embedding groove (141), the thickness of the pressing strip (15) is smaller than or equal to the depth of the embedding groove (141), and the positioning part (12) extends towards the direction far away from the embedding groove (141) and protrudes out of the surface of the upper plate (14).
7. The positioning tool for improving the resistance welding quality of the transformer according to claim 6, wherein fixing portions (142) are arranged at two opposite ends of the upper plate (14), and connecting portions (151) which are opposite to the fixing portions (142) and detachably matched with the fixing portions (142) are arranged at two opposite ends of the pressing strip (15); the fixing part (142) and/or the connecting part (151) are/is provided with the second magnetic suction piece (13).
8. The positioning tool for improving the resistance welding quality of the transformer according to claim 7, wherein a bump (152) extends from the connecting portion (151) in a direction away from the upper plate (14), and the thickness of the extending bump (152) is greater than or equal to the thickness of the transformer.
9. The positioning tool for improving the resistance welding quality of the transformer according to claim 7, wherein a coaming (22) is arranged at the edge of the bearing plate (20), and the positioning groove (21) is formed in the coaming (22) in a surrounding manner;
the enclosing plate (22) and the positioning groove (21) are provided with the first magnetic attracting piece (23), and the first magnetic attracting piece (23) is respectively used for being matched with the second magnetic attracting piece (13) in a magnetic attracting mode.
10. The positioning tool for improving the quality of resistance welding of transformers according to claim 9, characterized in that the depth of the positioning groove (21) is equal to the thickness of PCAB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021937296.7U CN214185701U (en) | 2020-09-07 | 2020-09-07 | Positioning tool for improving resistance welding quality of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021937296.7U CN214185701U (en) | 2020-09-07 | 2020-09-07 | Positioning tool for improving resistance welding quality of transformer |
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| Publication Number | Publication Date |
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| CN214185701U true CN214185701U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021937296.7U Withdrawn - After Issue CN214185701U (en) | 2020-09-07 | 2020-09-07 | Positioning tool for improving resistance welding quality of transformer |
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| Country | Link |
|---|---|
| CN (1) | CN214185701U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122757A (en) * | 2020-09-07 | 2020-12-25 | 广州致远电子有限公司 | Positioning tool for improving transformer resistance welding quality and welding method thereof |
| CN113950239A (en) * | 2021-11-04 | 2022-01-18 | 深圳市兆驰光元科技有限公司 | LED lamp panel fixing tool |
-
2020
- 2020-09-07 CN CN202021937296.7U patent/CN214185701U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122757A (en) * | 2020-09-07 | 2020-12-25 | 广州致远电子有限公司 | Positioning tool for improving transformer resistance welding quality and welding method thereof |
| CN112122757B (en) * | 2020-09-07 | 2023-10-27 | 广州致远电子股份有限公司 | Positioning tool for improving resistance welding quality of transformer and welding method thereof |
| CN113950239A (en) * | 2021-11-04 | 2022-01-18 | 深圳市兆驰光元科技有限公司 | LED lamp panel fixing tool |
| CN113950239B (en) * | 2021-11-04 | 2023-08-15 | 深圳市兆驰光元科技有限公司 | LED lamp panel fixing tool |
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Address after: 510000 room 306, 3rd floor, 43 Sicheng Road, software park, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU ZHIYUAN ELECTRONICS Co.,Ltd. Address before: 510000 room 517, 1023 Gaopu Road, Tianhe Software Park, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ZHIYUAN ELECTRONICS Co.,Ltd. |
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Granted publication date: 20210914 Effective date of abandoning: 20231027 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210914 Effective date of abandoning: 20231027 |