Transformer pin forming device
By designing the transformer pin forming device, the pins are shaped by using cylinder-driven extrusion blocks to form a square cavity, which solves the problems of irregular shapes and burrs, and improves welding effect and stability.
Patent Information
- Application Number
- CN202421010349.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The high-frequency transformer pins are irregular in shape after soldering, which affects the stability of subsequent soldering effects, and burrs are prone to occur during soldering.
A transformer pin forming device is designed, including a cylinder, a push rod block, a first extrusion block, a second extrusion block, a slider and a guide rail. The cylinder drive extrusion blocks are connected to each other to form a square cavity to perform the pinning. Extrusion shaping and coat the extrusion block with a layer of PTFE to prevent tin liquid from adhesion.
By forming the pins of the square structure, the welding flatness is improved, the yield of subsequent welding is improved, and the tin liquid is prevented from adhering during the molding process.
Smart Images
Figure CN222359415U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of transformer preparation devices, and in particular relates to a transformer pin forming device. Background Art
[0002] A high-frequency transformer is a power transformer with an operating frequency exceeding the medium frequency (10kHz). It is mainly used as a transformer for high-frequency switching power supplies in high-frequency switching power supplies, and some are used as transformers for high-frequency inverter power supplies in high-frequency inverter power supplies and high-frequency inverter welding machines. According to the operating frequency, it can be divided into several grades: 10kHz~50kHz, 50kHz~100kHz, 100kHz~500kHz, 500kHz~1MHz, and above 10MHz. A high-frequency transformer consists of an iron core (or magnetic core) and a coil, and the coil includes two or more "E"-shaped windings. When making a high-frequency transformer, it mainly includes winding on the I-wheel, wrapping with adhesive tape, wiring, soldering, assembly, inductance testing, wrapping with copper tape, testing, foot calibration and packaging. Soldering is a processing process for high-frequency transformers, which mainly bonds the pins of the high-frequency transformer together, so that the high-frequency transformer can be welded to another mechanism when the high-frequency transformer is used later. Traditionally, a clamp is used to clamp the high-frequency transformer, so that the pins of the high-frequency transformer are inserted into the tin furnace for 2 to 4 seconds, and then taken out vertically. The existing transformer pins have irregular shapes after soldering, which affects the stability of the subsequent welding effect. At the same time, burrs are prone to appear during the soldering process, which also affects the subsequent welding effect. Utility Model Content
[0003] Aiming at the technical problem that the existing transformer pin soldering has irregular shapes, the utility model provides a transformer pin forming device, which can shape the transformer pin after soldering, thereby improving the subsequent welding yield.
[0004] The utility model provides a transformer pin forming device, comprising a cylinder, a push rod block, a first extrusion block, a second extrusion block, a slider and a guide rail, wherein the cylinder is connected to the push rod block, the push rod block is connected to the slider, the slider is slidably arranged on the guide rail, the first extrusion block is connected to the push rod block, the second extrusion block and the first extrusion block are arranged at intervals, the first extrusion block and the second extrusion block are driven by the cylinder to engage with or separate from each other, the end surface of the first extrusion block facing the second extrusion block is provided with a first right-angle groove, the end surface of the second extrusion block facing the first extrusion block is provided with a second right-angle groove, the inner walls of the first right-angle groove and the second right-angle groove are both provided with a polytetrafluoroethylene coating, when the first extrusion block and the second extrusion block are engaged with each other, the two side edges of the first right-angle groove abut against the two inner walls of the second right-angle groove, and the first right-angle groove and the second right-angle groove are mutually enclosed to form a square cavity.
[0005] Furthermore, a square installation frame is included, and the cylinder, the second extrusion block and the guide rail are respectively fixed on three inner walls of the square installation frame.
[0006] Furthermore, it also includes an air inlet and outlet control valve, and an air inlet and outlet pipe is connected between the air inlet and outlet control valve and the cylinder.
[0007] When the transformer pin forming device is performing the transformer pin shaping operation, the transformer pin can be immersed in a tin furnace so that the end of the transformer pin is stained with tin liquid. Before the tin liquid is completely solidified, the transformer pin is placed between the first extrusion block and the second extrusion block, and the first extrusion block and the second extrusion block are driven by the cylinder to engage with each other. The first right-angle groove and the second right-angle groove are surrounded by each other to form a square cavity. The pin is extruded through the square groove, so that the pin stained with tin liquid forms a square structure. The square structure has a larger flat welding surface, which can improve the subsequent welding yield. At the same time, the polytetrafluoroethylene coating can prevent the tin liquid from adhering to the first extrusion block and the second extrusion block during the forming process. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0009] Figure 1 The figure is a schematic diagram of the structure of a transformer pin forming device. DETAILED DESCRIPTION
[0010] The utility model discloses a transformer pin forming device, which can shape the transformer pin after soldering the transformer pin, thereby improving the subsequent welding yield.
[0011] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solution in the utility model. Obviously, what is described is only a 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 making creative work are within the scope of protection of the utility model.
[0012] See also Figure 1As shown, the utility model discloses a transformer pin forming device, including a cylinder 1, a push rod block 3, a first extrusion block 5, a second extrusion block 8, a slider 4 and a guide rail 2, the cylinder 1 is connected to the push rod block 3, the push rod block 3 is connected to the slider 4, the slider 4 is slidably set on the guide rail 2, the first extrusion block 5 is connected to the push rod block 3, the second extrusion block 8 and the first extrusion block 5 are arranged at intervals, the first extrusion block 5 and the second extrusion block 8 are driven by the cylinder 1 to engage with or separate from each other, the first extrusion block 5 is provided with a first right-angle groove 6 on the end surface facing the second extrusion block 8, the second extrusion block 8 is provided with a second right-angle groove 10 on the end surface facing the first extrusion block 5, the inner walls of the first right-angle groove 6 and the second right-angle groove 10 are both provided with a polytetrafluoroethylene coating, when the first extrusion block 5 and the second extrusion block 8 are engaged with each other, the two side edges of the first right-angle groove 6 abut against the two inner walls of the second right-angle groove 10, and the first right-angle groove 6 and the second right-angle groove 10 are mutually enclosed to form a square cavity 9.
[0013] The transformer pin forming device further comprises a square mounting frame 7 , and the cylinder 1 , the second extrusion block 8 and the guide rail 2 are respectively fixed on three inner walls of the square mounting frame 7 .
[0014] The transformer pin forming device further includes an inlet and outlet air control valve 11 , and an inlet and outlet air pipe is connected between the inlet and outlet air control valve 11 and the cylinder 1 .
[0015] When the transformer pin forming device is performing the transformer pin shaping operation, the transformer pin can be immersed in a tin furnace so that the end of the transformer pin is stained with tin liquid. Before the tin liquid is completely solidified, the transformer pin is placed between the first extrusion block 5 and the second extrusion block 8. The first extrusion block 5 and the second extrusion block 8 are driven by the cylinder 1 to engage with each other. The first right-angle groove 6 and the second right-angle groove 10 are surrounded by each other to form a square cavity 9. The pin is extruded by the square groove, so that the pin stained with tin liquid forms a square structure. The square structure has a larger flat welding surface, which can improve the subsequent welding yield. At the same time, the polytetrafluoroethylene coating can prevent the tin liquid from adhering to the first extrusion block 5 and the second extrusion block 8 during the forming process.
[0016] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.
Claims
1. A transformer pin forming device, characterized in that: It includes a cylinder, a push rod block, a first extrusion block, a second extrusion block, a slider and a guide rail, the cylinder is connected to the push rod block, the push rod block is connected to the slider, the slider is slidably set on the guide rail, the first extrusion block is connected to the push rod block, the second extrusion block and the first extrusion block are arranged at intervals, the first extrusion block and the second extrusion block are driven by the cylinder to engage with or separate from each other, the end surface of the first extrusion block facing the second extrusion block is provided with a first right-angle groove, the end surface of the second extrusion block facing the first extrusion block is provided with a second right-angle groove, the inner walls of the first right-angle groove and the second right-angle groove are both provided with a polytetrafluoroethylene coating, when the first extrusion block and the second extrusion block are engaged with each other, the two side edges of the first right-angle groove abut against the two inner walls of the second right-angle groove, and the first right-angle groove and the second right-angle groove surround each other to form a square cavity.
2. A transformer pin forming device according to claim 1, characterized in that: It also includes a square installation frame, and the cylinder, the second extrusion block and the guide rail are respectively fixed on three inner walls of the square installation frame.
3. A transformer pin forming device according to claim 1, characterized in that: It also includes an air inlet and outlet control valve, and an air inlet and outlet pipe is connected between the air inlet and outlet control valve and the cylinder.