A through-shaft device for molded case circuit breaker housing

Abstract

This application provides a shaft-passing device for molded case circuit breaker housings, including a positioning assembly, a feeding assembly, and a shaft-passing assembly arranged side by side. The positioning assembly has a positioning groove suitable for accommodating the housing to be passed through the shaft. The feeding assembly has a shaft-passing station and a feeding station for conveying a fixed shaft to the shaft-passing station. The shaft-passing assembly includes a pin and a drive component, which can drive the pin to reciprocate in a direction closer to or away from the shaft-passing station. The housing to be passed through the shaft is placed in the positioning groove, and the positioning groove limits the housing to be passed through the shaft to be passed through the shaft to be passed through the positioning groove. The fixed shaft is conveyed to the shaft-passing station through the feeding station. The drive component drives the pin to pass the fixed shaft located at the shaft-passing station into the assembly hole of the housing to be passed through the shaft, thus completing the shaft-passing operation of the housing. The structure is simple and the operation is convenient, which can effectively improve the installation efficiency and reduce the labor intensity of workers.

Description

Technical Field

[0001] This invention relates to the field of low-voltage component assembly, and specifically to a shaft-through device for a molded case circuit breaker housing. Background Technology

[0002] Molded case circuit breakers are among the most commonly used low-voltage components. In low-voltage power distribution systems, they are often used as terminal switches or branch switches. They are widely used due to their compact structure, moderate price, and stable and reliable performance.

[0003] Currently, most molded case circuit breakers use a faceplate and shaft assembly method for their housings. This method offers high strength and reliability, effectively preventing the housing from cracking during high-current interruption. However, this assembly method typically requires manual shaft installation, and to prevent loosening and detachment, an interference fit is needed between the shaft and the housing. This makes the shaft installation process time-consuming, labor-intensive, and inefficient.

[0004] Therefore, it is necessary to develop a shaft-through device for molded case circuit breakers to solve the above-mentioned technical problems. Summary of the Invention

[0005] The present invention provides a shaft-passing device for molded case circuit breakers to solve the technical problems of time-consuming, labor-intensive, and inefficient shaft-passing process.

[0006] An embodiment of the present invention provides a through-shaft device for a molded case circuit breaker housing, comprising:

[0007] A positioning component having a positioning groove suitable for accommodating the housing to be pierced;

[0008] The feeding assembly includes a shaft-passing station and a feeding station for conveying a fixed shaft to the shaft-passing station; and

[0009] A shaft-passing assembly includes a ejector pin and a driving component, wherein the driving component is used to drive the ejector pin to reciprocate in a direction toward or away from the shaft-passing station;

[0010] The positioning component, the feeding component, and the shaft-passing component are arranged side by side in sequence. When the shaft-passing housing is housed in the positioning groove, the assembly hole on the shaft-passing housing is collinear with the axis of the shaft-passing station and the ejector pin, so that the driving component can drive the ejector pin to pass the fixed shaft located at the shaft-passing station into the assembly hole of the shaft-passing housing.

[0011] Optionally, the positioning component includes a pad and a side baffle, the side baffle being disposed on the side of the pad away from the feeding component and protruding from the upper surface of the pad to define the positioning groove on the pad.

[0012] Optionally, the pad is provided with positioning blocks on the front and / or rear sides.

[0013] Optionally, the pad is provided with a positioning groove and / or positioning protrusion that are adapted to the housing of the shaft to be pierced.

[0014] Optionally, the feeding assembly includes a feeding plate, one end of which is provided with a material-blocking protrusion, and the connection between the feeding plate and the material-blocking protrusion forms the shaft-passing station; the feeding plate is inclined toward the material-blocking protrusion so that the fixed shaft placed on the feeding plate can enter the shaft-passing station along the feeding plate.

[0015] Optionally, guide strips are provided on both sides of the feeding plate, and the two guide strips are parallel and spaced apart to define the feeding station on the feeding plate; an opening corresponding to the through shaft station is provided between the two guide strips and the material blocking protrusion.

[0016] Optionally, the top of the material stop protrusion is provided with a pin pressure plate extending above the shaft insertion station.

[0017] Optionally, the through-shaft assembly further includes a fixed mounting base and a movable base slidably mounted on the slide rail; the driving member is fixedly mounted to the mounting base, the driving end of the driving member is connected to the movable base and can drive the movable base to slide along the slide rail; the ejector pin is fixedly mounted to the movable base.

[0018] Optionally, a guide seat is installed at one end of the slide rail near the feeding assembly. The guide seat has a guide hole for the ejector pin to pass through, and the axis of the guide hole is collinear with the axis of the shaft-passing station.

[0019] Optionally, a buffer is installed on the side of the guide seat facing the movable seat.

[0020] The embodiments of the present invention have the following beneficial effects: the housing to be inserted is placed in the positioning groove, the positioning groove is used to limit the housing to be inserted at a predetermined assembly station, and a fixed shaft is conveyed to the insertion station through the feeding station. The fixed shaft located at the insertion station is inserted into the assembly hole of the housing to be inserted by the driving component, thus completing the insertion operation of the housing. The structure is simple and the operation is convenient, which can effectively improve the installation efficiency and reduce the labor intensity of workers. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying 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 effort.

[0022] Figure 1 This is a schematic diagram of the structure of an embodiment of the present invention;

[0023] Figure 2 This is a top view of an embodiment of the present invention;

[0024] Figure 3 This is a cross-sectional view of the feeding assembly in an embodiment of the present invention;

[0025] Figure 4 This is a usage state diagram of an embodiment of the present invention;

[0026] The numbers in the diagram represent:

[0027] 1. Base plate; 2. Positioning assembly; 21. Pad plate; 22. Side baffle; 23. Positioning stop; 3. Feeding assembly; 31. Feeding plate; 32. Stopping protrusion; 33. Guide strip; 34. Ejector pin pressure plate; 4. Through-shaft assembly; 41. Ejector pin; 42. Drive component; 43. Mounting base; 44. Slide rail; 45. Moving base; 46. Guide base; 47. Buffer; 48. Protective cover; 5. Housing to be inserted shaft; 6. Fixed shaft. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Furthermore, it should be understood that the specific embodiments described herein are only for illustration and explanation of the present invention and are not intended to limit the present invention. In the present invention, unless otherwise stated, directional terms such as "front" and "rear" generally refer to the front and rear of the device in its actual use or working state, specifically the drawing direction in the accompanying drawings; while "inner" and "outer" refer to the outline of the device.

[0029] Please see Figure 1 , Figure 2 As shown, this embodiment of the invention provides a shaft-passing device for a molded case circuit breaker housing, including a positioning assembly 2, a feeding assembly 3, and a shaft-passing assembly 4 arranged side-by-side on a base plate 1. The positioning assembly 2 has a positioning groove suitable for accommodating the housing 5 to be passed through, thus confining the housing 5 at a predetermined assembly position for convenient shaft-passing operation. The feeding assembly 3 has a shaft-passing position and a feeding position, the feeding position being able to convey a fixed shaft 6 to the shaft-passing position. The shaft-passing assembly 4 includes a ejector pin 41 and a driving member 42, the driving member 42 being able to drive the ejector pin 41 to reciprocate in a direction approaching or away from the shaft-passing position.

[0030] like Figure 4 As shown, when the housing 5 to be inserted is placed in the positioning groove, the assembly hole on the housing 5 to be inserted is collinear with the axis of the shaft insertion station and the ejector pin 41. When the drive unit 42 is activated, the ejector pin 41 can be driven by the drive unit 42 to insert the fixed shaft 6 located at the shaft insertion station into the assembly hole of the housing 5 to be inserted, thus completing the shaft insertion operation of the housing. The structure is simple and the operation is convenient, which can effectively improve the installation efficiency and reduce the labor intensity of workers.

[0031] Specifically, in this embodiment, the positioning component 2 includes a pad 21 and a side baffle 22. The side baffle 22 is disposed on the side of the pad 21 away from the feeding component 3 and protrudes from the upper surface of the pad 21, thereby defining a positioning groove on the pad 21. More precisely, when the ejector pin 41 inserts the fixed shaft 6 into the assembly hole of the shaft housing 5 to be inserted, the side baffle 22 can block and position the shaft housing 5 to be inserted from the side of the pad 21, preventing the shaft housing 5 to be inserted from moving during the insertion process and affecting the insertion effect.

[0032] To improve positioning reliability, positioning blocks 23 can be provided on the front and / or rear sides of the pad 21. The side baffles 22 and positioning blocks 23 can be used to block and position the shaft housing 5 to be inserted from different directions. Of course, since most shaft housings 5 ​​to be inserted are designed with protrusions and / or recesses, positioning grooves and / or positioning protrusions that are compatible with the shaft housing 5 to be inserted can also be provided on the pad 21 to further enhance the positioning effect and ensure that the shaft housing 5 to be inserted can be accurately and stably confined in the predetermined assembly position.

[0033] Specifically, such as Figure 3 As shown, the feeding assembly 3 in this embodiment includes a feeding plate 31, one end of which is provided with a material-stopping protrusion 32. The connection between the feeding plate 31 and the material-stopping protrusion 32 forms the aforementioned shaft-passing station. The feeding plate 31 needs to be inclined towards the material-stopping protrusion 32, and the inclined surface of the feeding plate 31 is used as the feeding station, so that the fixed shaft 6 placed on the feeding plate 31 can automatically enter the shaft-passing station along the feeding plate 31 under the action of gravity. The structure is simple and the operation is convenient.

[0034] As some optional implementations, guide strips 33 can be provided on both sides of the feeding plate 31. The two guide strips 33 are parallel and spaced apart, and the guide strips 33 define the feeding station on the feeding plate 31, which can effectively prevent the fixed shaft 6 from deviating during its descent along the feeding plate 31, ensuring that the fixed shaft 6 can accurately enter the shaft insertion station. An opening corresponding to the shaft insertion station needs to be left between the two guide strips 33 and the stop protrusion 32, so that the ejector pin 41 can pass through and push the fixed shaft 6 of the shaft insertion station into the shaft housing 5 to be inserted. In addition, an ejector pin pressure plate 34 extending above the shaft insertion station can be provided on the top of the stop protrusion 32, and the ejector pin pressure plate 34 can be used to prevent the fixed shaft 6 and the ejector pin 41 from tilting upwards during the shaft insertion process.

[0035] Specifically, the through-shaft assembly 4 in this embodiment further includes a mounting base 43 fixedly mounted on the base plate 1 and a movable seat 45 slidably mounted on the slide rail 44. The driving component 42 is fixedly mounted to the mounting base 43, and the driving end of the driving component 42 is connected to the movable seat 45 via a floating joint or other connecting component. The ejector pin 41 is fixedly mounted to the movable seat 45 via a mounting plate or other connecting component. The slide rail 44 is mounted on the base plate 1 along the driving direction of the driving component 42. The driving component 42 can drive the movable seat 45 to slide along the slide rail 44, thereby improving the stability of the ejector pin 41's movement.

[0036] As some optional implementations, a guide seat 46 can be installed at one end of the slide rail 44 near the feeding assembly 3, and a guide hole for the ejector pin 41 to pass through can be opened on the guide seat 46. The axis of the guide hole needs to be collinear with the axis of the through-shaft station to guide the movement of the ejector pin 41 and further improve its stability. Alternatively, a buffer 47 can be installed on the side of the guide seat 46 facing the moving seat 45 to limit and buffer the movement of the moving seat 45. Additionally, as... Figure 4 As shown, in this embodiment, a protective cover 48 is also installed around the ejector pin 41 and the movable seat 45 to prevent the movement of the ejector pin 41 from being affected by human collisions during operation.

[0037] Please continue to refer to Figure 4 As shown, in use, multiple fixed shafts 6 are simply placed side-by-side on the feeding plate 31. The lowest fixed shaft 6 will automatically enter the shaft-passing station under gravity. Then, the housing 5 to be passed through is placed into the positioning slot, and the drive unit 42 is activated. The drive unit 42 drives the ejector pin 41 to pass the fixed shaft 6 located at the shaft-passing station into the assembly hole of the housing 5 to be passed through. After the shaft is passed through, the drive unit 42 drives the ejector pin 41 back to the initial position, and the next fixed shaft 6 on the feeding plate 31 continues to enter the shaft-passing station under gravity for the next shaft-passing operation. It is understood that the drive unit 42 can be a common linear reciprocating drive mechanism such as a cylinder, linear motor, or lead screw. This embodiment does not impose too many limitations.

[0038] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the technical solutions and core ideas of the present invention. Those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A shaft-through device for a molded case circuit breaker housing, characterized in that, include: A positioning component having a positioning groove suitable for accommodating the housing to be pierced; The feeding assembly is equipped with a shaft-passing station and a feeding station that feeds a fixed shaft to the shaft-passing station; as well as A shaft-passing assembly includes a ejector pin and a driving component, wherein the driving component is used to drive the ejector pin to reciprocate in a direction toward or away from the shaft-passing station; The positioning component, the feeding component, and the shaft-passing component are arranged side by side in sequence. When the shaft-passing housing is housed in the positioning groove, the assembly hole on the shaft-passing housing is collinear with the axis of the shaft-passing station and the ejector pin, so that the driving component can drive the ejector pin to pass the fixed shaft located at the shaft-passing station into the assembly hole of the shaft-passing housing. The positioning component includes a pad and a side baffle. The side baffle is disposed on the side of the pad away from the feeding component and protrudes from the upper surface of the pad to define the positioning groove on the pad. The feeding assembly includes a feeding plate, one end of which is provided with a material-blocking protrusion. The connection between the feeding plate and the material-blocking protrusion forms the shaft-passing station. The feeding plate is inclined toward the material-blocking protrusion so that the fixed shaft placed on the feeding plate can enter the shaft-passing station along the feeding plate.

2. The through-shaft device for a molded case circuit breaker according to claim 1, characterized in that: The pad is provided with positioning blocks on the front and / or rear sides.

3. The through-shaft device for a molded case circuit breaker according to claim 1, characterized in that: The pad is provided with a positioning groove and / or positioning protrusion that are adapted to the housing of the shaft to be inserted.

4. The through-shaft device for a molded case circuit breaker according to claim 1, characterized in that: Guide strips are provided on both sides of the feeding plate. The two guide strips are parallel and spaced apart to define the feeding station on the feeding plate. An opening corresponding to the through-shaft station is provided between the two guide strips and the material blocking protrusion.

5. The through-shaft device for a molded case circuit breaker according to claim 1, characterized in that: The top of the material-stopping protrusion is provided with a pin pressure plate that extends above the shaft-passing station.

6. The through-shaft device for a molded case circuit breaker according to claim 1, characterized in that: The through-shaft assembly further includes a fixed mounting base and a movable base slidably mounted on the slide rail; the driving member is fixedly mounted to the mounting base, the driving end of the driving member is connected to the movable base and can drive the movable base to slide along the slide rail; the ejector pin is fixedly mounted to the movable base.

7. A through-shaft device for a molded case circuit breaker housing according to claim 6, characterized in that: A guide seat is installed at one end of the slide rail near the feeding assembly. The guide seat has a guide hole for the ejector pin to pass through, and the axis of the guide hole is collinear with the axis of the shaft-passing station.

8. The through-shaft device for a molded case circuit breaker according to claim 7, characterized in that: A buffer is installed on the side of the guide seat facing the movable seat.

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