Frequency converter rectifier bridge pin bending device

Abstract

The utility model relates to the technical field of rectifier bridge processing equipment, in particular to a frequency converter rectifier bridge pin bending device which adjusts the distance between a first limiting plate and a limiting assembly according to the specification of a rectifier bridge. The rectifier bridge is placed between the first limiting plate and the limiting assembly, meanwhile, the pins on the rectifier bridge enter the bending opening under guiding of the pin opening, then the bending assembly is operated to bend the pins, and the use limitation is reduced; comprising a shell, a bending opening, a first limiting plate, a first bottom plate, a first strip-shaped opening, first bolts and a pin opening, the bending opening and the pin opening are formed in the top end of the shell, the pin opening is communicated with the bending opening, the first bottom plate is arranged at the left end of the first limiting plate, the first strip-shaped opening is formed in the first bottom plate, and a set of first bolts are arranged in the first strip-shaped opening in a penetrating mode. The first bolt is in threaded connection with the top end of the shell, the limiting assembly is arranged at the top end of the shell, and the bending assembly is arranged in the shell.

Description

Technical Field

[0001] The utility model relates to the technical field of rectifier bridge processing equipment, in particular to a frequency converter rectifier bridge pin bending device. Background Art

[0002] A rectifier bridge is an electronic component that usually carries a sufficiently large inductive load, so the rectifier bridge does not have current discontinuity. When a rectifier bridge is generally used, a smoothing reactor is often connected to its load end, so its load can be regarded as a constant current source. A rectifier is required to operate the inverter. During the production and processing of the rectifier bridge, its pins need to be bent, so a bending device is used.

[0003] In the prior art, a patent document with announcement number CN220515284U discloses a high-efficiency bending device for rectifier bridge pins, including a box body, a support column fixedly connected to the bottom of the box body, and a controller fixedly installed on the front of the box body. The top of the box body is provided with an adjustment mechanism extending into the interior thereof, and the top of the box body is provided with a clamping mechanism. The adjustment mechanism includes a servo motor fixedly installed on the top of the box body and a lead screw rotatably connected to the inside of the box body, and a main bevel gear is fixedly connected to the output shaft of the servo motor.

[0004] During use, it was found that the above device could not bend rectifier pins of different specifications when bending the rectifier bridge pins, and its use had certain limitations. At the same time, when bending the pins, there was a lack of protective measures, which made the pins prone to breakage. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a frequency converter rectifier bridge pin bending device which improves the bending efficiency.

[0006] The utility model discloses a pin bending device for a rectifier bridge of a frequency converter, comprising a shell, a bending opening, a No. 1 limiting plate, a No. 1 bottom plate, a No. 1 strip opening, a No. 1 bolt and a pin opening, wherein the top of the shell is provided with a bending opening and a pin opening, the pin opening is communicated with the bending opening, a No. 1 bottom plate is provided at the left end of the No. 1 limiting plate, a No. 1 strip opening is provided on the No. 1 bottom plate, a group of No. 1 bolts are passed through the No. 1 strip opening, the No. 1 bolts are threadedly connected with the top of the shell, and further comprises a bending component and a limiting component, a limiting component is provided at the top of the shell, and a bending component is provided inside the shell; according to the specifications of the rectifier bridge, the spacing between the No. 1 limiting plate and the limiting component is adjusted, when bending, the rectifier bridge is placed between the No. 1 limiting plate and the limiting component, and the pins on the rectifier bridge enter the bending opening under the guidance of the pin opening, and then the bending component is operated to bend the pins, thereby reducing the limitation of use.

[0007] Preferably, the bending assembly includes a fixed plate, a cylinder, a movable plate, a No. 1 bending plate, a No. 2 bending plate and a positioning plate assembly, a fixed plate is arranged at the top end inside the shell, a cylinder is arranged at the right end of the fixed plate, the left movable end of the cylinder extends to the left side of the fixed plate and is connected to the right end of the movable plate, the movable plate is inside the bending opening and the top end of the movable plate is flush with the top end of the shell, a positioning plate assembly is installed at the left end of the movable plate in the bending opening, a No. 1 bending plate and a No. 2 bending plate are arranged at the left end of the movable plate, and the length of the No. 2 bending plate is longer than the length of the No. 1 bending plate The second bending plate is below the first bending plate; when in use, the pin enters the bending mouth under the guidance of the pin mouth, and then the cylinder is operated to extend, so that the cylinder drives the moving plate to move left in the bending mouth, and the positioning plate assembly on the moving plate positions and protects the pin part in the bending mouth, and then the second bending plate pushes and bends the bottom of the pin, and then the first bending plate bends the middle and upper part of the pin, thereby completing the bending of the pin. The pin is protected during the bending process and is bent quickly to improve the bending efficiency.

[0008] Preferably, the limiting assembly includes a No. 2 limiting plate, a No. 2 bottom plate, a No. 2 strip opening and a No. 2 bolt, a No. 2 bottom plate is provided at the right end of the No. 2 limiting plate, a No. 2 strip opening is provided on the No. 2 bottom plate, a group of No. 2 bolts are passed through the No. 2 strip opening, and the No. 2 bolts are threadedly connected to the top of the shell; according to the specifications of the rectifier bridge, the position of the No. 2 limiting plate is adjusted, and then the No. 2 bolts are passed through the No. 2 strip opening and threadedly connected to the top of the shell, thereby completing the adjustment of the No. 2 limiting plate and improving flexibility.

[0009] Preferably, the positioning plate assembly includes a telescopic rod, a spring and a positioning plate body, the left end of the movable plate is provided with a telescopic rod and a spring, the left end of the telescopic rod and the spring is provided with a positioning plate body, and the spring is sleeved on the outside of the telescopic rod; when the movable plate moves to the right, the left end of the positioning plate body contacts the pin, as the movable plate continues to move, the telescopic rod and the spring shorten, and the positioning plate body tightens the pin, thereby fixing the pin while protecting the pin.

[0010] Preferably, it also includes adjustable feet, and a group of adjustable feet are respectively arranged at the four corners of the bottom end of the shell; multiple groups of adjustable feet cooperate with each other to stably support the shell.

[0011] Preferably, it also includes handles, and a group of handles are respectively provided at the left and right ends of the shell; the staff moves the shell through the handles to improve convenience.

[0012] Preferably, it further comprises a light bar, the right end of the movable plate is provided with the light bar, and the light bar is slidably connected to the fixed plate; the movable plate can stably move left and right with the cooperation of the light bar.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: according to the specifications of the rectifier bridge, the spacing between the No. 1 limit plate and the limit assembly is adjusted. When bending, the rectifier bridge is placed between the No. 1 limit plate and the limit assembly, and the pins on the rectifier bridge enter the bending opening under the guidance of the pin opening. Then, the bending assembly is operated to bend the pins, thereby reducing usage limitations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0016] Figure 3 yes Figure 2 A partial enlarged structural diagram of the middle part;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 5 It is an enlarged structural diagram of structures such as cylinders and springs.

[0019] Markings in the attached drawings: 1. Shell; 2. Bending opening; 3. Limiting plate No. 1; 4. Bottom plate No. 1; 5. Strip opening No. 1; 6. Bolt No. 1; 7. Fixed plate; 8. Cylinder; 9. Moving plate; 10. Bending plate No. 1; 11. Bending plate No. 2; 12. Limiting plate No. 2; 13. Bottom plate No. 2; 14. Strip opening No. 2; 15. Bolt No. 2; 16. Telescopic rod; 17. Spring; 18. Positioning plate body; 19. Adjustable foot; 20. Handle; 21. Light bar; 22. Pin opening. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figure 1 , Figure 2 and Figure 4As shown, a frequency converter rectifier bridge pin bending device of the utility model comprises a shell 1, a bending opening 2, a No. 1 limiting plate 3, a No. 1 bottom plate 4, a No. 1 strip opening 5, a No. 1 bolt 6 and a pin opening 22, the top of the shell 1 is provided with a bending opening 2 and a pin opening 22, the pin opening 22 is communicated with the bending opening 2, the left end of the No. 1 limiting plate 3 is provided with a No. 1 bottom plate 4, the No. 1 bottom plate 4 is provided with a No. 1 strip opening 5, a group of No. 1 bolts 6 are passed through the No. 1 strip opening 5, the No. 1 bolts 6 are threadedly connected with the top of the shell 1, and also comprises a bending component and a limiting component, the top of the shell 1 is provided with a limiting component, and the inside of the shell 1 is provided with a bending component;

[0023] like Figures 1 to 5 As shown, the bending assembly includes a fixed plate 7, a cylinder 8, a movable plate 9, a first bending plate 10, a second bending plate 11 and a positioning plate assembly. The fixed plate 7 is arranged at the top of the inner part of the shell 1, and the cylinder 8 is arranged at the right end of the fixed plate 7. The left movable end of the cylinder 8 extends to the left side of the fixed plate 7 and is connected to the right end of the movable plate 9. The movable plate 9 is inside the bending opening 2 and the top of the movable plate 9 is flush with the top of the shell 1. The left end of the movable plate 9 is installed with a positioning plate assembly in the bending opening 2. The left end of the movable plate 9 is provided with a first bending plate 10 and a second bending plate 11. The length of the second bending plate 11 is longer than that of the first bending plate 10 and the second bending plate 11 is below the first bending plate 10.

[0024] like Figure 1 and Figure 2 As shown, the limiting assembly includes a No. 2 limiting plate 12, a No. 2 bottom plate 13, a No. 2 strip opening 14 and a No. 2 bolt 15. The No. 2 bottom plate 13 is provided at the right end of the No. 2 limiting plate 12. The No. 2 bottom plate 13 is provided with a No. 2 strip opening 14. A group of No. 2 bolts 15 are passed through the No. 2 strip opening 14. The No. 2 bolts 15 are threadedly connected to the top end of the shell 1.

[0025] In this embodiment, according to the specifications of the rectifier bridge, the spacing between the No. 1 limit plate 3 and the No. 2 limit plate 12 is adjusted, and the rectifier bridge is placed between the No. 1 limit plate 3 and the No. 2 limit plate 12. At the same time, the pins on the rectifier bridge enter the bending mouth 2 under the guidance of the pin mouth 22, and the operating cylinder 8 is extended, so that the cylinder 8 drives the movable plate 9 to move to the left in the bending mouth 2. The positioning plate assembly on the movable plate 9 positions and protects the pin part in the bending mouth 2, and then the No. 2 bending plate 11 pushes and bends the bottom of the pin, and then the No. 1 bending plate 10 bends the upper and middle part of the pin, thereby completing the bending of the pin, and the pin is protected during the bending process. Rapid bending is performed.

[0026] Example 2

[0027] like Figure 1 , Figure 2 and Figure 4As shown, a frequency converter rectifier bridge pin bending device of the utility model comprises a shell 1, a bending opening 2, a No. 1 limiting plate 3, a No. 1 bottom plate 4, a No. 1 strip opening 5, a No. 1 bolt 6 and a pin opening 22, the top of the shell 1 is provided with a bending opening 2 and a pin opening 22, the pin opening 22 is communicated with the bending opening 2, the left end of the No. 1 limiting plate 3 is provided with a No. 1 bottom plate 4, the No. 1 bottom plate 4 is provided with a No. 1 strip opening 5, a group of No. 1 bolts 6 are passed through the No. 1 strip opening 5, the No. 1 bolts 6 are threadedly connected with the top of the shell 1, and also comprises a bending component and a limiting component, the top of the shell 1 is provided with a limiting component, and the inside of the shell 1 is provided with a bending component;

[0028] like Figures 1 to 5 As shown, the bending assembly includes a fixed plate 7, a cylinder 8, a movable plate 9, a first bending plate 10, a second bending plate 11 and a positioning plate assembly. The fixed plate 7 is arranged at the top of the inner part of the shell 1, and the cylinder 8 is arranged at the right end of the fixed plate 7. The left movable end of the cylinder 8 extends to the left side of the fixed plate 7 and is connected to the right end of the movable plate 9. The movable plate 9 is inside the bending opening 2 and the top of the movable plate 9 is flush with the top of the shell 1. The left end of the movable plate 9 is installed with a positioning plate assembly in the bending opening 2. The left end of the movable plate 9 is provided with a first bending plate 10 and a second bending plate 11. The length of the second bending plate 11 is longer than that of the first bending plate 10 and the second bending plate 11 is below the first bending plate 10.

[0029] like Figure 1 and Figure 2 As shown, the limiting assembly includes a No. 2 limiting plate 12, a No. 2 bottom plate 13, a No. 2 strip opening 14 and a No. 2 bolt 15. The No. 2 bottom plate 13 is provided at the right end of the No. 2 limiting plate 12. The No. 2 bottom plate 13 is provided with a No. 2 strip opening 14. A group of No. 2 bolts 15 are passed through the No. 2 strip opening 14. The No. 2 bolts 15 are threadedly connected to the top of the housing 1.

[0030] like Figure 4 and Figure 5 As shown, the positioning plate assembly includes a telescopic rod 16, a spring 17 and a positioning plate body 18. The left end of the movable plate 9 is provided with the telescopic rod 16 and the spring 17. The left end of the telescopic rod 16 and the spring 17 is provided with the positioning plate body 18. The spring 17 is sleeved on the outside of the telescopic rod 16.

[0031] like Figure 4 As shown, it also includes adjustable feet 19, handles 20 and optical bars 21. A group of adjustable feet 19 are respectively provided at the four corners of the bottom end of the shell 1, a group of handles 20 are respectively provided at the left and right ends of the shell 1, and an optical bar 21 is provided at the right end of the movable plate 9, and the optical bar 21 is slidably connected to the fixed plate 7.

[0032] In this embodiment, according to the specifications of the rectifier bridge, the spacing between the No. 1 limit plate 3 and the No. 2 limit plate 12 is adjusted, and the rectifier bridge is placed between the No. 1 limit plate 3 and the No. 2 limit plate 12. At the same time, the pins on the rectifier bridge enter the bending mouth 2 under the guidance of the pin mouth 22, and the operating cylinder 8 is extended, so that the cylinder 8 drives the movable plate 9 to move to the left in the bending mouth 2. When the movable plate 9 moves to the right, the left end of the positioning plate body 18 contacts the pin. As the movable plate 9 continues to move, the telescopic rod 16 and the spring 17 shorten, and the positioning plate body 18 tightens the pin. Then the No. 2 bending plate 11 pushes the bottom of the pin to bend it, and then the No. 1 bending plate 10 bends the middle and upper part of the pin, thereby completing the bending of the pin. Rapid bending is performed under the premise of protecting the pin during the bending process.

[0033] The cylinder 8 of the inverter rectifier bridge pin bending device of the utility model is purchased on the market, and the technicians in the industry only need to install and operate it according to the accompanying instruction manual, without the need for the technicians in the field to make creative labor.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A frequency converter rectifier bridge pin bending device, comprising a shell (1), a bending opening (2), a No. 1 limiting plate (3), a No. 1 bottom plate (4), a No. 1 strip opening (5), a No. 1 bolt (6) and a pin opening (22), wherein the top of the shell (1) is provided with a bending opening (2) and a pin opening (22), the pin opening (22) is communicated with the bending opening (2), the left end of the No. 1 limiting plate (3) is provided with a No. 1 bottom plate (4), the No. 1 bottom plate (4) is provided with a No. 1 strip opening (5), a group of No. 1 bolts (6) are passed through the No. 1 strip opening (5), and the No. 1 bolts (6) are threadedly connected to the top of the shell (1), characterized in that: It also comprises a bending component and a limiting component. The limiting component is arranged at the top of the shell (1), and the bending component is arranged inside the shell (1).

2. The inverter rectifier bridge pin bending device according to claim 1, characterized in that: The bending assembly comprises a fixed plate (7), a cylinder (8), a movable plate (9), a first bending plate (10), a second bending plate (11) and a positioning plate assembly. The fixed plate (7) is arranged at the top end of the housing (1). The cylinder (8) is arranged at the right end of the fixed plate (7). The left movable end of the cylinder (8) extends to the left side of the fixed plate (7) and is connected to the right end of the movable plate (9). The movable plate (9) is inside the bending opening (2) and the top end of the movable plate (9) is flush with the top end of the housing (1). The left end of the movable plate (9) is installed with a positioning plate assembly in the bending opening (2). The left end of the movable plate (9) is arranged with a first bending plate (10) and a second bending plate (11). The length of the second bending plate (11) is longer than that of the first bending plate (10) and the second bending plate (11) is below the first bending plate (10).

3. The inverter rectifier bridge pin bending device according to claim 1, characterized in that: The limiting assembly comprises a No. 2 limiting plate (12), a No. 2 bottom plate (13), a No. 2 strip opening (14) and a No. 2 bolt (15); the No. 2 bottom plate (13) is arranged at the right end of the No. 2 limiting plate (12); the No. 2 bottom plate (13) is arranged on the No. 2 strip opening (14); a group of No. 2 bolts (15) are passed through the No. 2 strip opening (14); and the No. 2 bolts (15) are threadedly connected to the top end of the housing (1).

4. The inverter rectifier bridge pin bending device according to claim 2, characterized in that: The positioning plate assembly comprises a telescopic rod (16), a spring (17) and a positioning plate body (18); the telescopic rod (16) and the spring (17) are arranged at the left end of the movable plate (9); the positioning plate body (18) is arranged at the left end of the telescopic rod (16) and the spring (17); and the spring (17) is sleeved on the outer side of the telescopic rod (16).

5. The inverter rectifier bridge pin bending device according to claim 1, characterized in that: It also comprises adjustable feet (19), and a group of adjustable feet (19) are respectively arranged at the four corners of the bottom end of the shell (1).

6. The inverter rectifier bridge pin bending device according to claim 2, characterized in that: It also comprises handles (20), with a group of handles (20) being respectively arranged at the left and right ends of the shell (1).

7. The inverter rectifier bridge pin bending device according to claim 6, characterized in that: It also comprises a light bar (21), the right end of the movable plate (9) is provided with the light bar (21), and the light bar (21) is slidably connected to the fixed plate (7).

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