Side hole machining device for lower wire outlet assembly

Abstract

The utility model relates to the technical field of lower outgoing line trepanning, and discloses a lower outgoing line assembly side hole machining device which comprises a machining table, a vertical frame fixed to the machining table, a drilling assembly fixed to the vertical frame, a clamping jig fixed to the machining table, and a limiting piece arranged below the clamping jig. Mounting grooves are symmetrically formed in the machining table, and a round hole is formed in the machining table. The clamping jig comprises a fixing block, fixing grooves are symmetrically formed in the fixing block, opening grooves are formed in the fixing grooves, and symmetrically-distributed pressing plates are fixedly connected into the fixing grooves. According to the side hole machining device, the clamping jig is assembled on the machining table to fix the lower wire outlet assembly, the clamping jig adopts the fixing groove formed in the fixing block to assemble the lower wire outlet assembly, feeding and discharging operation is convenient, the side face of the lower wire outlet assembly is locked through the pressing plate, the lower wire outlet assembly cannot tilt, the machining stability is improved, and the machining efficiency is improved. During actual assembly, the mounting angle of the fixing plate and the spline groove can be adjusted, and the feeding and discharging efficiency of the lower wire outlet assembly can be improved conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of lower outlet wire opening holes, in particular to a lower outlet wire component side hole processing device. Background Art

[0002] The lower outlet assembly is an accessory in an outdoor high-voltage vacuum circuit breaker. It is mainly made of copper and has side holes on its surface to meet actual assembly requirements.

[0003] In the prior art, the name disclosed in the application number: CN201621423314.3 is: a lower outlet wire processing positioning device, wherein the processing positioning device includes a base, a positioning ring, a positioning plate, and two side pressure plates; the positioning ring is installed on the surface of the base, and the positioning ring is provided with an annular step surface that can cooperate with the end face of the lower outlet wire for positioning; the surface of the positioning plate is provided with an arc-shaped step surface.

[0004] However, the lower outlet wire processing positioning device mentioned in the prior art adopts a positioning and fixing clamping method for the lower outlet wire. In actual production operations, there are errors in the positioning of the processing position of the lower outlet wire, and the lower discharge operation of the lower outlet wire is cumbersome, which does not meet the production and processing requirements. Therefore, it is necessary to design a side hole processing device for the lower outlet wire assembly. Utility Model Content

[0005] The utility model aims to provide a side hole processing device for a lower outlet assembly to solve the problems in the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A side hole processing device for a lower outlet assembly comprises a processing table, a vertical frame is fixed on the processing table, a drilling assembly is fixed on the vertical frame, a clamping fixture is fixed on the processing table, and a limit piece is provided below the clamping fixture.

[0008] The processing table is symmetrically provided with mounting grooves, and the processing table is provided with round holes for fixing the processing table.

[0009] The clamping fixture comprises a fixing block, on which fixing grooves for clamping the lower outlet assembly are symmetrically arranged, an opening groove is arranged in the fixing groove, and symmetrically distributed pressing plates are fixed in the fixing groove.

[0010] Furthermore, a connecting shaft is fixedly connected to the bottom of the fixing block, a spline shaft is fixedly connected to one end of the connecting shaft, a screw is fixed to one end of the spline shaft away from the connecting shaft, and the screw is connected to a nut for fixing the clamping fixture.

[0011] Furthermore, a locking hole is provided on one side of the fixing slot, and positioning holes are provided on both sides of the fixing block. The positioning hole and the locking hole are coaxially arranged and connected with the two fixing slots. A positioning slot is provided in the positioning hole, and a positioning shaft is fixed in the positioning hole, and the positioning shaft cooperates with the positioning hole and the locking hole.

[0012] Furthermore, a protrusion is fixedly provided at one end of the positioning shaft, and the protrusion cooperates with the positioning groove to fix the positioning shaft, and a through hole is opened on the positioning shaft.

[0013] Furthermore, the limiting member is provided with a spline groove, the spline groove cooperates with the spline shaft, grooves are provided on both sides of the limiting member, sliding grooves are provided in the grooves, and an assembly plate is slidably provided in the grooves.

[0014] Furthermore, a rubber layer is fixedly provided on one side of the assembly plate, and a sliding block is fixedly provided on the other side. The sliding block cooperates with the sliding groove, and the rubber layer abuts against the installation groove.

[0015] Beneficial effects of the utility model:

[0016] 1. The utility model side hole processing device fixes the lower outlet assembly by fixing the clamping fixture on the processing table, and the clamping fixture uses the fixing groove opened on the fixing block to assemble the lower outlet assembly, which is convenient for loading and unloading operations. The lower outlet assembly is locked by the pressing plate, and the lower outlet assembly will not be lifted, thereby improving the processing stability;

[0017] 2. During actual assembly, the side hole processing device of the utility model can adjust the installation angle of the fixed plate and the spline groove according to the convenience of the workers, which is convenient for the workers to perform loading operations, improves the loading and unloading efficiency of the lower outlet assembly, and improves production efficiency. At the same time, the limiter stabilizes the fixed block and improves the firmness of the clamping fixture to fix the lower outlet assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a cross-sectional view of the side hole processing device of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the processing table of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure explosion of the clamping fixture of the utility model;

[0023] Figure 5 It is a cross-sectional view of the structure of the clamping fixture of the utility model;

[0024] Figure 6 It is a schematic diagram of the explosion structure of the limiter of the utility model. 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 of 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] A side hole processing device for a lower outlet assembly, such as Figure 1 As shown, the side hole processing device is used to mill holes on the side of the lower outlet component and is applied to the production and molding process of the lower outlet component.

[0027] like Figure 1 , Figure 2 As shown, the side hole processing device includes a processing table 1, a vertical frame is fixedly provided on the processing table 1, a drilling assembly 10 is installed on the vertical frame, a clamping fixture 2 is fixedly provided on the processing table 1, and a limit piece 3 is provided below the clamping fixture 2.

[0028] like Figure 3 As shown, the processing table 1 is provided with symmetrically distributed mounting grooves 11, and the two mounting grooves 11 are arranged in parallel and penetrate the processing table 1. The processing table 1 is provided with a circular hole 12, and a bolt is installed in the circular hole 12. The bolt passes through the circular hole 12 and is fixedly connected to the equipment workbench, so as to fix the processing table 1. The processing table 1 is provided with a locking hole 13, and the locking hole 13 is used to fix the mounting stand.

[0029] like Figure 4 , Figure 5 As shown, the clamping fixture 2 includes a fixed block 21, a connecting shaft 22 is fixedly connected to the bottom of the fixed block 21, one end of the connecting shaft 22 is connected to the fixed block 21, and the other end is fixedly connected to a spline shaft 23, and a screw is fixedly provided at one end of the spline shaft 23 away from the connecting shaft 22, and a nut for locking is installed on the screw.

[0030] The connecting shaft 22 and the spline shaft 23 are fixed in the installation groove 11. The screw passes through the installation groove 11 and is fixedly connected with the nut, thereby connecting and locking the fixing block 21. The fixing block 21 is provided with symmetrically distributed fixing grooves 24, and the fixing groove 24 is provided with an open groove 25. The fixing groove 24 is fastened with a symmetrically distributed pressure plate 26.

[0031] The lower outlet assembly is inserted into the fixing groove 24 at the side. When the lower outlet assembly is installed in the fixing groove 24, the lower outlet assembly is fixed by the pressing plate 26 to stabilize the lower outlet assembly. The opening groove 25 is located below the lower outlet assembly and can be used for stopping the milling tool. The waste chips generated by cutting fall into the opening groove 25 for easy cleaning and recycling.

[0032] A locking hole 27 is provided on one side of the fixing groove 24, and a positioning hole 28 is provided on the other side. Positioning holes 28 are provided on both sides of the fixing block 21, which are respectively connected to the two fixing grooves 24. The positioning hole 28 and the locking hole 27 are coaxially arranged. A positioning groove 29 is provided in the positioning hole 28. A positioning shaft 20 is installed in the positioning hole 28. After the positioning shaft 20 passes through the positioning hole 28, it cooperates with the locking hole 27 to lock the lower outlet assembly with a larger tail volume, thereby improving the fixing firmness of the lower outlet assembly.

[0033] A protrusion is fixedly provided at one end of the positioning shaft 20, and the protrusion cooperates with the positioning groove 29. The positioning groove 29 is used to lock the positioning shaft 20. A through hole is opened on the positioning shaft 20 to facilitate the passage of a tool to perform through-type side hole processing on the lower outlet assembly.

[0034] like Figure 6 As shown, the limit member 3 is a rectangular block, and a spline groove 31 is provided on the limit member 3, and the spline groove 31 cooperates with the spline shaft 23, and grooves 32 are provided on both sides of the limit member 3, and a slide groove 33 is provided in the groove 32, and an assembly plate 34 is slidably provided in the groove 32, a rubber layer is fixed on one side of the assembly plate 34, and a slider 35 is fixed on the other side, the slider 35 is slidably connected to the slide groove 33, and the rubber layer abuts against the inner wall of the mounting groove 11.

[0035] Working principle:

[0036] The connecting shaft 22 and the spline shaft 23 are fixed in the installation groove 11, and then the spline shaft 23 passes through the spline groove 31 and is connected to the limit piece 3. The different installation and connection methods of the spline shaft 23 and the spline groove 31 can adjust the angle of the fixed block 21 to facilitate the adjustment of the loading and unloading direction of the lower outlet assembly, which is convenient for the workers at the workstation to operate. After the screw passes through the installation groove 11 and the spline groove 31, it is connected to the nut located under the processing table 1 to lock the fixed block 21 and the limit piece 3.

[0037] The assembly plate 34 on the limit member 3 is in contact with the inner wall of the installation groove 11 at the required installation position through the rubber layer, so as to prevent the limit member 3 from shifting at the fixed installation position, thereby improving the installation accuracy of the clamping fixture 2, facilitating the assembly of the clamping fixture 2 under the drilling component 10, and providing the accuracy of the side hole processing of the lower outlet component. The drilling component 10 controls the milling tool to move downward to drill a hole for the lower outlet component inserted in the fixing groove 24 on the opposite side. During the drilling process, the lower outlet component is firmly fixed, the processing process is stable and reliable, the loading and unloading operations of the lower outlet component are convenient, and the production efficiency is high.

[0038] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A side hole processing device for a lower outlet assembly, the side hole processing device comprising a processing table (1), characterized in that: A stand is fixed on the processing table (1), a drilling assembly (10) is fixed on the stand, a clamping fixture (2) is fixed on the processing table (1), and a limiter (3) is provided below the clamping fixture (2); The processing table (1) is symmetrically provided with mounting grooves (11), and the processing table (1) is provided with a circular hole (12) for fixing the processing table (1); The clamping fixture (2) comprises a fixing block (21), on which fixing grooves (24) for clamping the lower outlet assembly are symmetrically arranged, an opening groove (25) is arranged in the fixing groove (24), and symmetrically distributed pressing plates (26) are fixedly connected in the fixing groove (24).

2. A side hole processing device for a lower outlet assembly according to claim 1, characterized in that: A connecting shaft (22) is fixedly connected below the fixing block (21), one end of the connecting shaft (22) is fixedly connected to a spline shaft (23), and one end of the spline shaft (23) away from the connecting shaft (22) is fixed with a screw rod, which is connected to a nut for fixing the clamping fixture (2).

3. A side hole processing device for a lower outlet assembly according to claim 1, characterized in that: A locking hole (27) is provided on one side of the fixing groove (24), and positioning holes (28) are provided on both sides of the fixing block (21). The positioning hole (28) and the locking hole (27) are coaxially arranged and communicate with the two fixing grooves (24). A positioning groove (29) is provided in the positioning hole (28), and a positioning shaft (20) is fixedly provided in the positioning hole (28). The positioning shaft (20) cooperates with the positioning hole (28) and the locking hole (27).

4. A side hole processing device for a lower outlet assembly according to claim 3, characterized in that: A convex block is fixedly provided at one end of the positioning shaft (20), and the convex block cooperates with the positioning groove (29) to fix the positioning shaft (20). A through hole is provided on the positioning shaft (20).

5. The side hole processing device of the lower outlet assembly according to claim 2, characterized in that: The limiting member (3) is provided with a spline groove (31), the spline groove (31) cooperates with the spline shaft (23), both sides of the limiting member (3) are provided with grooves (32), a sliding groove (33) is provided in the groove (32), and an assembly plate (34) is slidably provided in the groove (32).

6. A side hole processing device for a lower outlet assembly according to claim 5, characterized in that: A rubber layer is fixedly provided on one side of the assembly plate (34), and a slider (35) is fixedly provided on the other side. The slider (35) cooperates with the slide groove (33), and the rubber layer abuts against the installation groove (11).

Images