A primary and secondary coil arrangement structure of a medium frequency resistance welding transformer

Abstract

The utility model relates to the technical field of coil arrangement structure, and discloses a primary and secondary coil arrangement structure of a medium-frequency resistance welding transformer, including a secondary intermediate connecting plate, the back of the secondary intermediate connecting plate is fixedly connected with a first secondary lead-out plate, the front of the secondary intermediate connecting plate is fixedly connected with a second secondary lead-out plate, and cooling mechanisms are arranged on the right sides of the secondary intermediate connecting plate, the first secondary lead-out plate and the second secondary lead-out plate, and a fixing mechanism is arranged inside the cooling mechanism, and the fixing mechanism includes a fixing assembly and a connecting assembly. The rotation of the bidirectional screw drives the positioning frame to move, and the position of the positioning frame is adjusted according to the size of the secondary coil, and then the clamping rod is clamped into the inside of the clamping groove of the first connecting plate, and then the second bolt is twisted to close the second connecting plate, and the position of the positioning sliding seat can be positioned to connect the second connecting plate and the first connecting plate, thereby stably fixing the position of the secondary coil and the primary coil to prevent the secondary coil from loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of coil arrangement structures, in particular to a primary and secondary coil arrangement structure of a medium-frequency resistance welding transformer. Background Art

[0002] Resistance welding equipment is an important equipment for realizing welding automation in the welding field. With the development of industry and the continuous improvement of product quality requirements in modern society, higher requirements are placed on the performance and process of resistance welding equipment. The welding transformer is one of the core of resistance welding equipment. Resistance welding transformers generally adopt a water-cooled structure, and the cooling water channel is arranged inside the secondary coil of the transformer. In order to better cool the primary and secondary coils, a coil arrangement mechanism is required.

[0003] According to the description of a primary and secondary coil arrangement structure of a medium-frequency resistance welding transformer disclosed on the patent website (authorization announcement number: CN 212625108 U), "The utility model discloses a primary and secondary coil arrangement structure of a medium-frequency resistance welding transformer, including: a right secondary lead-out plate, a secondary intermediate connecting plate, a left secondary lead-out plate, a primary lead-out copper sheet A, a primary connecting copper sheet A, a secondary coil, a primary coil A, a primary coil B, a primary input terminal, a primary lead-out copper sheet B and a primary connecting copper sheet B, characterized in that: the right secondary lead-out plate and the left secondary lead-out plate are respectively arranged on both sides of the secondary intermediate connecting plate, the right secondary lead-out plate and the left secondary lead-out plate are respectively fixedly connected to the secondary intermediate connecting plate, the right secondary lead-out plate and the left secondary lead-out plate are the positive output terminals of the transformer, and the secondary intermediate connecting plate is the negative output terminal of the transformer. The arrangement structure of the utility model increases the contact surface between the primary coil of the transformer and the water-passing secondary coil, greatly enhances the heat dissipation effect of the copper flat wire of the primary coil, improves the current output capacity of the transformer, and prolongs the service life."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During the use of the utility model, since the device has four groups of secondary coils arranged in an interlaced manner and cooling water is passed through the secondary interior to cool the coils, but the multiple groups of coils are only connected through the secondary lead-out plate, when the device is in use, one side is heavier and thermal expansion and contraction will cause the coils to loosen, resulting in an unstable connection. If the connection is unstable and shakes for a long time during use, the coils will fall off. Therefore, it is necessary to improve the primary and secondary coil arrangement structure of a medium-frequency resistance welding transformer to solve the above problem. Utility Model Content

[0006] The purpose of the utility model is to provide a primary and secondary coil arrangement structure of a medium frequency resistance welding transformer to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a primary and secondary coil arrangement structure of a medium-frequency resistance welding transformer, comprising a secondary intermediate connecting plate, a first secondary lead-out plate being fixedly connected to the back of the secondary intermediate connecting plate, a second secondary lead-out plate being fixedly connected to the front of the secondary intermediate connecting plate, a cooling mechanism being arranged on the right side of the secondary intermediate connecting plate, the first secondary lead-out plate and the second secondary lead-out plate, and a fixing mechanism being arranged inside the cooling mechanism.

[0008] The fixing mechanism comprises a fixing component and a connecting component. The fixing component is arranged inside the cooling mechanism, and the connecting component is arranged inside the fixing component.

[0009] Preferably, the cooling mechanism includes a sealing mounting plate, which is fixedly connected to the right side of the first secondary lead-out plate and the second secondary lead-out plate, the internal thread of the sealing mounting plate is connected to a first bolt, the first bolt is threadedly connected to the inside of the first secondary lead-out plate and the second secondary lead-out plate, a secondary coil is fixedly connected between the sealing mounting plate and the secondary intermediate connecting plate, a primary coil is fixedly connected between the sealing mounting plate and the secondary intermediate connecting plate, a primary lead-out copper sheet is arranged on the outside of the secondary coil and the primary coil, and the inside of the primary lead-out copper sheet is fixedly connected to a primary input terminal for cooling the coil.

[0010] Preferably, two primary lead-out copper sheets are provided, and the two primary lead-out copper sheets are symmetrically arranged outside the secondary coil and the primary coil, the primary coil is in contact with the secondary coil, a groove is opened inside the secondary coil, and cooling water passes through the groove to facilitate heat absorption by the cooling water.

[0011] Preferably, the fixing assembly includes a slot plate, which is arranged inside the secondary coil, and the slot plate is rotatably connected to a bidirectional screw inside, and the top and bottom of the bidirectional screw are fixedly connected to a rotating block, and the rotating block is rotatably connected to the inside of the slot plate, and the external thread of the bidirectional screw is connected to a slide plate, and the slide plate is slidably connected to the inside of the slot plate, and the outer side of the slide plate is fixedly connected to a positioning frame, and the right side of the positioning frame is fixedly connected to a connecting seat for positioning the coil position.

[0012] Preferably, the groove plate is provided with sliding grooves at corresponding positions of the slide plate and the positioning frame, and the slide plate and the positioning frame slide in the sliding grooves respectively, so as to limit the positions of the slide plate and the positioning frame.

[0013] Preferably, the connecting assembly includes a first connecting plate, the first connecting plate is rotatably connected to the inside of the connecting seat, the connecting seat is rotatably connected to the second connecting plate, the second connecting plate is slidably connected to the inside of the sliding seat, a spring is fixedly connected between the sliding seat and the second connecting plate, the sliding seat is internally threaded with a second bolt, the sliding seat is internally rotatably connected to a rotating rod, and the bottom of the rotating rod is fixedly connected to a clamping rod for connecting to a positioning frame.

[0014] Preferably, the second connecting plate has a groove at a position corresponding to the second bolt, and the second bolt passes through the groove, the first connecting plate has a slot at a position corresponding to the clamping rod, and the clamping rod is clamped in the slot to locate the positions of the first connecting plate and the second connecting plate.

[0015] Compared with the prior art, the utility model provides a primary and secondary coil arrangement structure of a medium frequency resistance welding transformer, which has the following beneficial effects:

[0016] 1. The primary and secondary coil arrangement structure of the medium-frequency resistance welding transformer, during use, the bidirectional screw is rotated to drive the positioning frame to move, the position of the positioning frame is adjusted according to the size of the secondary coil, and then the clamping rod is clamped into the inside of the first connecting plate slot, and then the second bolt is twisted to close the second connecting plate, the position of the positioning sliding seat can be connected to the second connecting plate, so as to stably fix the position of the secondary coil and the primary coil to prevent the secondary coil from loosening.

[0017] 2. The primary and secondary coils of the medium-frequency resistance welding transformer are arranged in a structure in which, during use, the coolant passes through the slots provided inside the secondary coil, and the secondary coil and the primary coil are staggered and overlapped, so that the secondary coil and the primary coil can be cooled simultaneously, thereby improving the cooling effect and preventing the secondary coil and the primary coil from being damaged due to overheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cooling mechanism structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the fixed component of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the connection assembly of the utility model;

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the connection component of the utility model.

[0024] In the figure: 1. secondary intermediate connecting plate; 2. first secondary lead-out plate; 3. second secondary lead-out plate; 4. cooling mechanism; 41. sealing mounting plate; 42. first bolt; 43. secondary coil; 44. primary coil; 45. primary lead-out copper sheet; 46. primary input terminal; 5. fixing mechanism; 51. fixing assembly; 511. slot plate; 512. bidirectional screw; 513. rotating block; 514. slide plate; 515. positioning frame; 516. connecting seat; 52. connecting assembly; 521. first connecting plate; 522. second connecting plate; 523. sliding seat; 524. spring; 525. second bolt; 526. rotating rod; 527. clamping rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] See also Figure 1-5 The utility model provides a technical solution: a primary and secondary coil arrangement structure of a medium-frequency resistance welding transformer, including a secondary intermediate connecting plate 1, a first secondary lead-out plate 2 is fixedly connected to the back of the secondary intermediate connecting plate 1, a second secondary lead-out plate 3 is fixedly connected to the front of the secondary intermediate connecting plate 1, a cooling mechanism 4 is arranged on the right side of the secondary intermediate connecting plate 1, the first secondary lead-out plate 2 and the second secondary lead-out plate 3, and a fixing mechanism 5 is arranged inside the cooling mechanism 4.

[0029] The fixing mechanism 5 includes a fixing component 51 and a connecting component 52 . The fixing component 51 is arranged inside the cooling mechanism 4 , and the connecting component 52 is arranged inside the fixing component 51 .

[0030] Furthermore, the fixing assembly 51 includes a slot plate 511, which is arranged inside the secondary coil 43. The slot plate 511 is rotatably connected to a bidirectional screw 512 inside, and the top and bottom of the bidirectional screw 512 are fixedly connected to a rotating block 513, which is rotatably connected to the inside of the slot plate 511. The external thread of the bidirectional screw 512 is connected to a slide plate 514, and the slide plate 514 is slidably connected to the inside of the slot plate 511. The outer side of the slide plate 514 is fixedly connected to a positioning frame 515, and the right side of the positioning frame 515 is fixedly connected to a connecting seat 516 for positioning the coil position.

[0031] Furthermore, the groove plate 511 is provided with sliding grooves at corresponding positions of the slide plate 514 and the positioning frame 515 , and the slide plate 514 and the positioning frame 515 slide in the sliding grooves respectively, so as to limit the slide plate 514 and the positioning frame 515 .

[0032] Furthermore, the connecting assembly 52 includes a first connecting plate 521, which is rotatably connected to the inside of the connecting seat 516, the inside of the connecting seat 516 is rotatably connected to the second connecting plate 522, the inside of the second connecting plate 522 is slidably connected to the sliding seat 523, a spring 524 is fixedly connected between the sliding seat 523 and the second connecting plate 522, the internal thread of the sliding seat 523 is connected to the second bolt 525, the internal rotation of the sliding seat 523 is connected to the rotating rod 526, and the bottom of the rotating rod 526 is fixedly connected to the clamping rod 527 for connecting to the positioning frame 515.

[0033] Furthermore, the second connecting plate 522 has a groove at a corresponding position of the second bolt 525, and the second bolt 525 passes through the groove. The first connecting plate 521 has a slot at a corresponding position of the clamping rod 527, and the clamping rod 527 is clamped inside the slot to locate the positions of the first connecting plate 521 and the second connecting plate 522.

[0034] Embodiment 2:

[0035] See also Figure 1-2, and combined with Example 1, it is further obtained that the cooling mechanism 4 includes a sealing mounting plate 41, the sealing mounting plate 41 is fixedly connected to the right side of the first secondary lead-out plate 2 and the second secondary lead-out plate 3, the internal thread of the sealing mounting plate 41 is connected with a first bolt 42, the first bolt 42 is threadedly connected to the inside of the first secondary lead-out plate 2 and the second secondary lead-out plate 3, a secondary coil 43 is fixedly connected between the sealing mounting plate 41 and the secondary intermediate connecting plate 1, a primary coil 44 is fixedly connected between the sealing mounting plate 41 and the secondary intermediate connecting plate 1, a primary lead-out copper sheet 45 is arranged outside the secondary coil 43 and the primary coil 44, and a primary input terminal 46 is fixedly connected inside the primary lead-out copper sheet 45 for cooling the coil.

[0036] Furthermore, two primary lead-out copper sheets 45 are provided, and the two primary lead-out copper sheets 45 are symmetrically arranged outside the secondary coil 43 and the primary coil 44. The primary coil 44 is in contact with the secondary coil 43. A groove is opened inside the secondary coil 43, and cooling water passes through the groove to facilitate heat absorption by the cooling water.

[0037] In actual operation, when the device is used, the primary coil 44 and the secondary coil 43 are positioned through the sealing mounting plate 41, and then the first bolt 42 is connected to the inside of the sealing mounting plate 41 and the first secondary lead-out plate 2 and the second secondary lead-out plate 3, so that the position of the sealing mounting plate 41 can be positioned, thereby positioning the position of the primary coil 44 and the secondary coil 43. A groove is provided inside the secondary coil 43, and cooling water passes through the groove to cool the secondary coil 43 and the primary coil 44. The rotating block 513 rotates to drive the bidirectional screw 512, the bidirectional screw 512 drives the slide plate 514, the slide plate 514 drives the positioning frame 515, and the positioning frame 515 drives The connecting seat 516 and the positioning frame 515 are pressed against the outside of the secondary coil 43 to perform the first step of positioning thereof, and then the sliding seat 523 can be pulled to slide by the second bolt 525, and the sliding seat 523 slides to stretch the spring 524, and the sliding seat 523 descends to drive the rotating rod 526, and the rotating rod 526 drives the clamping rod 527, and then the clamping rod 527 is rotated to drive the rotating rod 526 to rotate, and the clamping rod 527 is clamped into the inside of the clamping groove of the first connecting plate 521, and then the second bolt 525 is twisted, and the second bolt 525 is screwed into the inside of the sliding seat 523, so that the second bolt 525 contacts the second connecting plate 522, and the position of the sliding seat 523 can be fixed.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A primary and secondary coil arrangement structure of a medium frequency resistance welding transformer, comprising a secondary intermediate connecting plate (1), characterized in that: The back of the secondary intermediate connecting plate (1) is fixedly connected to the first secondary lead-out plate (2), the front of the secondary intermediate connecting plate (1) is fixedly connected to the second secondary lead-out plate (3), a cooling mechanism (4) is arranged on the right side of the secondary intermediate connecting plate (1), the first secondary lead-out plate (2) and the second secondary lead-out plate (3), and a fixing mechanism (5) is arranged inside the cooling mechanism (4); The fixing mechanism (5) comprises a fixing component (51) and a connecting component (52); the fixing component (51) is arranged inside the cooling mechanism (4); and the connecting component (52) is arranged inside the fixing component (51).

2. The primary and secondary coil arrangement structure of a medium frequency resistance welding transformer according to claim 1, characterized in that: The cooling mechanism (4) comprises a sealing mounting plate (41), wherein the sealing mounting plate (41) is fixedly connected to the right side of the first secondary lead-out plate (2) and the second secondary lead-out plate (3), wherein the internal thread of the sealing mounting plate (41) is connected to a first bolt (42), wherein the first bolt (42) is threadedly connected to the inside of the first secondary lead-out plate (2) and the second secondary lead-out plate (3), wherein a secondary coil (43) is fixedly connected between the sealing mounting plate (41) and the secondary intermediate connecting plate (1), wherein a primary coil (44) is fixedly connected between the sealing mounting plate (41) and the secondary intermediate connecting plate (1), wherein primary lead-out copper sheets (45) are arranged outside the secondary coil (43) and the primary coil (44), and wherein the inside of the primary lead-out copper sheet (45) is fixedly connected to a primary input terminal (46).

3. The primary and secondary coil arrangement structure of a medium frequency resistance welding transformer according to claim 2, characterized in that: Two primary lead-out copper sheets (45) are provided, and the two primary lead-out copper sheets (45) are symmetrically arranged outside the secondary coil (43) and the primary coil (44), the primary coil (44) is in contact with the secondary coil (43), a groove is provided inside the secondary coil (43), and cooling water passes through the groove.

4. The primary and secondary coil arrangement structure of a medium frequency resistance welding transformer according to claim 2, characterized in that: The fixing assembly (51) comprises a slot plate (511), wherein the slot plate (511) is arranged inside the secondary coil (43), the slot plate (511) is rotatably connected to a bidirectional screw rod (512) inside, the top and bottom of the bidirectional screw rod (512) are fixedly connected to a rotating block (513), the rotating block (513) is rotatably connected to the inside of the slot plate (511), the external thread of the bidirectional screw rod (512) is connected to a slide plate (514), the slide plate (514) is slidably connected to the inside of the slot plate (511), the outer side of the slide plate (514) is fixedly connected to a positioning frame (515), and the right side of the positioning frame (515) is fixedly connected to a connecting seat (516).

5. The arrangement structure of primary and secondary coils of a medium frequency resistance welding transformer according to claim 4, characterized in that: The groove plate (511) is provided with sliding grooves at corresponding positions of the slide plate (514) and the positioning frame (515), and the slide plate (514) and the positioning frame (515) slide inside the sliding grooves respectively.

6. The arrangement structure of primary and secondary coils of a medium frequency resistance welding transformer according to claim 4, characterized in that: The connecting assembly (52) includes a first connecting plate (521), the first connecting plate (521) is rotatably connected to the inside of a connecting seat (516), the inside of the connecting seat (516) is rotatably connected to a second connecting plate (522), the inside of the second connecting plate (522) is slidably connected to a sliding seat (523), a spring (524) is fixedly connected between the sliding seat (523) and the second connecting plate (522), the inside of the sliding seat (523) is threadedly connected to a second bolt (525), the inside of the sliding seat (523) is rotatably connected to a rotating rod (526), ​​and the bottom of the rotating rod (526) is fixedly connected to a clamping rod (527).

7. The arrangement structure of primary and secondary coils of a medium frequency resistance welding transformer according to claim 6, characterized in that: The second connecting plate (522) is provided with a groove at a position corresponding to the second bolt (525), and the second bolt (525) passes through the groove; the first connecting plate (521) is provided with a slot at a position corresponding to the clamping rod (527), and the clamping rod (527) is clamped inside the slot.

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