Special groove milling clamp for oil drainage joint of oil drainage pipe

Abstract

The utility model relates to a special milling groove clamp for an oil drainage joint of an oil drainage pipe, which comprises a bottom plate and a positioning and clamping assembly, and is characterized in that the positioning and clamping assembly comprises a supporting seat, a positioning seat and an adjusting seat which are fixed on the front side of the upper surface of the bottom plate, and a left clamping seat and a right clamping seat which are fixed on the rear side of the upper surface of the bottom plate; the adjusting seat and the positioning seat are located on the left side and the right side of the supporting seat, the upper surface of the positioning seat is higher than the upper surface of the supporting seat, a positioning pin is fixed to the upper surface of the positioning seat, the adjusting seat is a cantilever seat, an adjusting bolt is arranged between the middle of a cantilever of the adjusting seat and the bottom plate, and the tail end of the cantilever is located above the supporting seat and higher than the positioning pin. Horizontal compression screws are respectively arranged on the left clamping seat and the right clamping seat, and the tips of the two horizontal compression screws are oppositely arranged and are respectively used for fixing the smooth pressing blocks. The clamp solves the problems that time and labor are wasted and machining precision is low when a groove is milled in the oil drainage connector of the oil drainage pipe, machining efficiency is remarkably improved, accuracy and stability of the machining size are guaranteed, and consistency of products is good.

Description

Technical Field

[0001] The utility model relates to the technical field of manufacturing parts of aviation engines, in particular to a special milling groove fixture for an oil drain pipe oil drain joint. Background Art

[0002] The oil drain pipe and oil drain joint are important parts in the operation of aircraft engines, and their quality directly affects the quality of aircraft engines. Due to the irregular shape of the oil drain pipe and oil drain joint, it is not conducive to clamping and positioning, and the tolerance requirements are strict. The accuracy of the size cannot be guaranteed when milling the groove, resulting in low processing accuracy and time-consuming and labor-intensive. Utility Model Content

[0003] The purpose of the utility model is to provide a special groove milling fixture for oil drain pipe and oil drain joint with reasonable structure and reliable use, so as to solve the problems of time-consuming and labor-intensive milling of grooves for oil drain pipe and oil drain joint and low processing precision, significantly improve the processing efficiency, ensure the accuracy and stability of processing dimensions, and ensure good product consistency.

[0004] The technical solution of the utility model is:

[0005] The camming assembly comprises a support seat, a positioning seat and an adjusting seat, and a left clamping seat and a right clamping seat fixed to the rear side of the upper surface of the base plate. The adjusting seat and the positioning seat are respectively located on the left and right sides of the support seat, the upper surface of the positioning seat is higher than the upper surface of the support seat, and a positioning pin for cooperating with the connecting ear of the oil drain pipe and the oil drain joint is fixed on the upper surface of the positioning seat. The adjusting seat is a cantilever seat and an adjusting bolt is provided between the middle part of the cantilever and the base plate, the end of the cantilever is located above the support seat and higher than the positioning pin, and a longitudinal clamping portion corresponding to the middle part of the oil drain pipe and the oil drain joint is formed between the end of the cantilever and the upper surface of the support seat, and horizontal clamping screws are respectively provided on the left clamping seat and the right clamping seat, the tips of the two horizontal clamping screws are arranged facing each other and respectively fix smooth surface pressing blocks, and a horizontal clamping portion corresponding to the port of the oil drain pipe and the oil drain joint is formed between the two smooth surface pressing blocks.

[0006] The above-mentioned special milling groove fixture for the oil drain pipe and oil drain joint, the adjustment seat includes a cantilever, a vertical adjustment rod connected to the fixed end of the cantilever, the lower end of the vertical adjustment rod is threadedly connected to the base plate, and the lower part of the vertical adjustment rod is further connected to a first fixing nut, the lower end surface of the first fixing nut is in contact with the upper surface of the base plate, a long hole corresponding to the adjusting bolt is provided in the middle part of the cantilever, the tip of the adjusting bolt is threadedly connected to the base plate after passing through the long hole, and a spherical washer and a conical washer are provided between the nut of the adjusting bolt and the upper surface of the cantilever.

[0007] The above-mentioned special milling groove clamp for the oil drain pipe and oil drain joint, the left clamping seat and the right clamping seat are respectively right-angle seats, the horizontal section of the right-angle seat is fixedly connected to the base plate, and the vertical section of the right-angle seat is provided with a screw hole corresponding to the horizontal clamping screw.

[0008] The above-mentioned special milling groove fixture for the oil drain pipe and oil drain joint, the positioning seat is low on both sides and high in the middle, the low ends on both sides are connected and fixed to the bottom plate, and the positioning pin is located on the middle high surface.

[0009] The above-mentioned special milling groove fixture for the oil drain pipe and oil drain joint, the lower end of the support seat is threadedly connected to the base plate, and a second fixing nut is provided at the lower part of the support seat, and the lower end surface of the second fixing nut is in contact with the upper surface of the base plate.

[0010] The beneficial effects of the utility model are:

[0011] When in use, the positioning pin is used to cooperate with the connecting ear of the oil drain pipe and the oil drain joint to realize the azimuth positioning of the oil drain pipe and the oil drain joint, and then the longitudinal clamping part formed by the cantilever and the support seat is used to clamp the middle of the oil drain pipe and the oil drain joint, and the horizontal clamping part formed by the horizontal clamping screws on the left clamping seat and the right clamping seat and the smooth pressure block is used to clamp one port of the oil drain pipe and the oil drain joint, thereby realizing the stable clamping and positioning of the oil drain pipe and the oil drain joint. The problem of time-consuming and labor-intensive milling of grooves for the oil drain pipe and the low processing accuracy is solved, the processing efficiency is significantly improved, and the accuracy and stability of the processing size are guaranteed, the consistency of the product is guaranteed, the production cost is saved, and the practicality and operability are strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 yes Figure 1 Middle AA section view;

[0014] Figure 3 yes Figure 1 A top view of

[0015] Figure 4 1. It is a structural schematic diagram of an oil drain pipe and an oil drain joint;

[0016] Figure 5 yes Figure 4 Middle BB section.

[0017] In the figure: 1. conical washer, 2. spherical washer, 3. adjusting bolt, 4. cantilever, 5. long hole, 6. positioning pin, 7. positioning seat, 8. horizontal clamping screw, 9. right clamping seat, 10. second fixing nut, 11. supporting seat, 12. smooth pressure block, 13. left clamping seat, 14. first fixing nut, 15. vertical adjusting rod, 16. bottom plate, 17. oil drain pipe oil drain joint, 1701. connecting ear. DETAILED DESCRIPTION

[0018] The utility model is described in detail according to the accompanying drawings of the specification.

[0019] like Figure 1 to Figure 5 As shown, the special milling groove fixture for the oil drain pipe and oil drain joint includes a base plate 16 and a positioning clamping component.

[0020] The positioning and clamping assembly includes a support seat 11, a positioning seat 7 and an adjustment seat fixed to the front side of the upper surface of the bottom plate 16, and a left clamping seat 13 and a right clamping seat 9 fixed to the rear side of the upper surface of the bottom plate 16. The adjustment seat and the positioning seat 7 are respectively located on the left and right sides of the support seat 11. The upper surface of the positioning seat 7 is higher than the upper surface of the support seat 11, and a positioning pin 6 for cooperating with the connecting ear 1701 of the oil drain pipe oil drain joint 17 is fixed on the upper surface of the positioning seat 7. The adjustment seat is a cantilever seat and an adjustment bolt 3 is provided between the middle part of the cantilever 4 and the bottom plate 16. The end of the cantilever 4 is located above the support seat 11 and higher than the positioning pin 6. A longitudinal clamping portion corresponding to the middle part of the oil drain pipe oil drain joint 17 is formed between the end of the cantilever 4 and the upper surface of the support seat 11. The left clamping seat 13 and the right clamping seat 9 are respectively provided with a horizontal clamping screw 8, the tips of the two horizontal clamping screws 8 are arranged facing each other and respectively fix the smooth pressure blocks 12, and a horizontal clamping portion corresponding to the port of the oil drain pipe oil drain joint 17 is formed between the two smooth pressure blocks 12.

[0021] In this embodiment, the adjustment seat includes a cantilever 4 and a vertical adjustment rod 15 connected to the fixed end of the cantilever 4. The lower end of the vertical adjustment rod 15 is threadedly connected to the bottom plate 16, and a first fixing nut 14 is further connected to the lower part of the vertical adjustment rod 15, and the lower end surface of the first fixing nut 14 is in contact with the upper surface of the bottom plate 16. A long hole 5 corresponding to the adjustment bolt 3 is provided in the middle of the cantilever 4, and the tip of the adjustment bolt 3 passes through the long hole 5 and is threadedly connected to the bottom plate 16. A spherical washer 2 and a conical washer 1 are provided between the nut of the adjustment bolt 3 and the upper surface of the cantilever 4. The lower end of the support seat 11 is threadedly connected to the bottom plate 16, and a second fixing nut 10 is provided at the lower part of the support seat 11, and the lower end surface of the second fixing nut 10 is in contact with the upper surface of the bottom plate 16. The left clamping seat 13 and the right clamping seat 9 are right-angle seats respectively, and the horizontal section of the right-angle seat is fixedly connected to the bottom plate 16, and the vertical section of the right-angle seat is provided with a screw hole corresponding to the horizontal clamping screw 8. The positioning seat 7 is low on both sides and high in the middle, and the low ends on both sides are connected and fixed to the bottom plate 16, and the positioning pin 6 is located on the middle high surface.

[0022] Directions:

[0023] 1. Place the oil drain pipe oil drain joint 17 to be processed on the support seat 11, and sleeve its connecting ear 1701 on the positioning pin 6 to achieve azimuth positioning.

[0024] 2. The end of the cantilever 4 of the adjustment seat is rotated to above the drain pipe oil drain joint 17 and is positioned using the first fixing nut 14. After the adjusting bolt 3 is fitted with the spherical washer 2 and the conical washer 1, the tip passes through the long hole 5 and is threadedly connected to the bottom plate 16, and the end of the cantilever 4 is pressed down, thereby tightening the middle of the drain pipe oil drain joint 17.

[0025] 3. Rotate the horizontal clamping screws 8 on the left clamping seat 13 and the right clamping seat 9 to make the two smooth pressure blocks 12 move toward each other and press the port of the oil pipe drain joint 17 to achieve stable clamping and positioning of the oil pipe drain joint 17.

[0026] The above is a detailed description of the embodiments of the utility model, but the above contents are only preferred embodiments of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of the invention of the utility model should still fall within the scope of this patent.

Claims

1. A special milling groove fixture for an oil drain pipe and an oil drain joint, comprising a base plate and a positioning clamping assembly, characterized in that: The camming assembly comprises a support seat fixed to the front side of the upper surface of the base plate, a positioning seat and an adjusting seat, a left clamping seat and a right clamping seat fixed to the rear side of the upper surface of the base plate, the adjusting seat and the positioning seat are respectively located on the left and right sides of the support seat, the upper surface of the positioning seat is higher than the upper surface of the support seat, and a positioning pin is fixed on the upper surface of the positioning seat for cooperating with the connecting ear of the oil drain pipe and the oil drain joint. The adjusting seat is a cantilever seat and an adjusting bolt is provided between the middle part of the cantilever and the base plate. The end of the cantilever is located above the support seat and higher than the positioning pin, and a longitudinal clamping portion corresponding to the middle part of the oil drain pipe and the oil drain joint is formed between the end of the cantilever and the upper surface of the support seat. Horizontal tightening screws are respectively provided on the left clamping seat and the right clamping seat, the tips of the two horizontal tightening screws are arranged facing each other and respectively fix the smooth pressure blocks, and a horizontal clamping portion corresponding to the port of the oil drain pipe and the oil drain joint is formed between the two smooth pressure blocks.

2. The special groove milling fixture for the oil drain pipe and oil drain joint according to claim 1 is characterized in that: The adjustment seat includes a cantilever and a vertical adjustment rod connected to the fixed end of the cantilever. The lower end of the vertical adjustment rod is threadedly connected to the base plate. A first fixing nut is further connected to the lower part of the vertical adjustment rod. The lower end surface of the first fixing nut is in contact with the upper surface of the base plate. A long hole corresponding to the adjusting bolt is provided in the middle of the cantilever. The tip of the adjusting bolt passes through the long hole and is threadedly connected to the base plate. A spherical washer and a conical washer are provided between the nut of the adjusting bolt and the upper surface of the cantilever.

3. The special groove milling fixture for the oil drain pipe and oil drain joint according to claim 1 is characterized in that: The left clamping seat and the right clamping seat are respectively right-angle seats, the horizontal sections of the right-angle seats are fixedly connected to the bottom plate, and the vertical sections of the right-angle seats are provided with screw holes corresponding to the horizontal clamping screws.

4. The special groove milling fixture for the oil drain pipe and oil drain joint according to claim 1 is characterized in that: The positioning seat is low on both sides and high in the middle, the low ends on both sides are connected and fixed to the bottom plate, and the positioning pin is located on the middle high surface.

5. The special groove milling fixture for the oil drain pipe and oil drain joint according to claim 1 is characterized in that: The lower end of the support seat is threadedly connected to the bottom plate, and a second fixing nut is provided at the lower part of the support seat, and the lower end surface of the second fixing nut is in contact with the upper surface of the bottom plate.

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