Rotary table oil way distributor

Abstract

The utility model discloses a rotary table oil way distributor which comprises an oil way connecting plate, a plurality of first oil ways are distributed in the oil way connecting plate, and the first oil ways are used for oil feeding. The mandrel is arranged on the oil way connecting plate, a plurality of second oil ways communicated with the first oil way in the axial direction are arranged in the mandrel, and a plurality of third oil ways communicated with the second oil ways in the radial direction are arranged in the mandrel; the mandrel is arranged in the central hollow structure of the sleeve in a sleeved mode through the exhaust holes in the end face of the sleeve, and a sealing structure is arranged between the mandrel and the sleeve; a plurality of fourth oil ways communicated with the third oil way in the radial direction are arranged in the side wall of the sleeve, a plurality of fifth oil ways communicated with the fourth oil ways in the axial direction are arranged in the side wall of the sleeve, and the fifth oil ways are used for oil outlet. By optimizing the position of the exhaust hole, the dual-seal design and the mounting structure, the sealing performance, the maintenance convenience and the assembly efficiency are remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of cam turntable technology, and in particular to a turntable oil circuit distributor. Background Technology

[0002] The oil circuit distributor of the cam turntable is a key component in the hydraulic system. It is mainly used to control the flow direction, flow rate and distribution sequence of lubricating oil to ensure that the friction pairs of the cam turntable (such as bearings, gears, guide rails, etc.) are accurately lubricated. However, the existing oil circuit distributor has the following disadvantages: (1) The sleeve needs to be disassembled during maintenance, which is complicated and makes it difficult to find the maintenance point conveniently; (2) Under high pressure conditions, there is a risk of oil leakage due to insufficient sealing; (3) The installation method of the oil circuit connection plate is not uniform and the assembly efficiency is low. Summary of the Invention

[0003] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a turntable oil circuit distributor that significantly improves sealing performance, maintenance convenience, and assembly efficiency by optimizing the vent position, using a double-seal design and installation structure.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a turntable oil circuit distributor, comprising:

[0005] An oil passage connection plate, wherein a plurality of first oil passages are distributed inside the oil passage connection plate, and the first oil passages are used for oil inlet;

[0006] A mandrel is provided on an oil passage connecting plate. The mandrel has a plurality of second oil passages that are axially connected to the first oil passage, and a plurality of third oil passages that are radially connected to the second oil passages.

[0007] The sleeve has a centrally hollow structure, and a sleeve end face vent hole is opened on the lower end face of the sleeve. The mandrel is sleeved in the centrally hollow structure of the sleeve through the sleeve end face vent hole, and a sealing structure is provided between the mandrel and the sleeve. The sealing structure is located at the sleeve end face vent hole. The side wall of the sleeve has a number of fourth oil passages that are radially connected to the third oil passage, and the side wall of the sleeve has a number of fifth oil passages that are axially connected to the fourth oil passages. The fifth oil passages are used for oil outlet.

[0008] As a preferred embodiment, the peripheral wall of the mandrel is provided with a plurality of mandrel grooves, and a Gladger ring is provided in the mandrel grooves. The plurality of Gladger rings are spaced apart between adjacent third oil passages of the mandrel.

[0009] As a preferred embodiment, a first bearing is provided at the upper end of the mandrel, and a bearing cap is locked onto the upper end face of the mandrel, with the bearing cap fixing the inner ring of the first bearing.

[0010] As a preferred embodiment, the sealing structure includes a sealing cover, a bore shaft oil seal, and a sealing cover ring. The sealing cover is located at the lower end face of the sleeve and is fitted onto the lower end of the mandrel. The inner ring of the sealing cover is provided with a sealing inner groove, and the bore shaft oil seal is located in the sealing inner groove. A sealing end groove is provided on the end face of the sealing cover connected to the sleeve, and the sealing cover ring is located in the sealing end groove.

[0011] As a preferred embodiment, a second bearing is fitted at the lower end of the mandrel, the second bearing is located at the upper end of the sealing cover, and a shaft retainer is provided between the second bearing and the sealing cover. The shaft retainer is embedded in the annular groove of the mandrel, and its two sides respectively limit the inner ring of the second bearing and the inner groove of the sealing groove.

[0012] As a preferred embodiment, an oil passage sealing ring is provided between the lower end face of the mandrel and the upper end face of the oil passage connecting plate, and the oil passage sealing ring is located at the connection between the first oil passage and the second oil passage.

[0013] As a preferred embodiment, the lower end face of the mandrel and the oil circuit connecting plate are connected by a locating pin and a mounting screw, which are arranged at intervals and crosswise.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] (1) Place the vent hole of the sleeve on the lower end face of the sleeve. During maintenance, the step of removing the sleeve from the equipment panel can be eliminated. The mandrel can be directly removed from the sleeve to find the maintenance point.

[0016] (2) An external sealing cap is installed to prevent oil leakage, which greatly reduces the risk of oil leakage;

[0017] (3) The outer diameter of the shaft retaining ring is used to limit the inner ring of the second bearing and the inner ring of the sealing cover, thereby improving the sealing performance;

[0018] (4) The directional cross design of the positioning pins and mounting screws ensures that there is only one way to install the oil circuit connection plate, which improves the assembly speed. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is the explosive of this utility model. Figure 1 ;

[0021] Figure 3 This is the explosive of this utility model. Figure 2 ;

[0022] Figure 4 This is a cross-sectional view of the oil circuit connection plate in this utility model;

[0023] Figure 5 This is a cross-sectional view of the mandrel in this utility model;

[0024] Figure 6 This is a cross-sectional view of the sleeve in this utility model;

[0025] The attached diagram lists the following components: 1. Oil circuit connecting plate; 2. First oil circuit; 3. Mandrel; 4. Second oil circuit; 5. Third oil circuit; 6. Sleeve; 7. Sleeve end face vent hole; 8. Sealing structure; 9. Fourth oil circuit; 10. Fifth oil circuit; 11. First oil inlet; 12. First oil outlet; 13. Oil pipe adapter; 14. Connecting plate vent hole; 15. Connecting plate fixing screw; 16. Second oil inlet; 17. Second oil outlet; 18. Third oil inlet; 19. Third oil outlet; 20. Fourth oil inlet; 21. Fifth oil inlet; 22. Fifth... 23. Oil outlet, 24. Vent hole on the side of the sleeve, 25. Sleeve retaining screw, 26. Mandrel groove, 27. Glyd ring, 28. First bearing, 29. Bearing cap, 30. Cap retaining screw, 31. Cap cup head screw, 32. Sealing cap, 33. Hole shaft oil seal, 34. Sealing cap ring, 35. Sealing inner groove, 36. Sealing end groove, 37. Sealing cap cup head screw, 38. Second bearing, 39. Shaft retaining ring, 40. Annular groove, 41. Oil passage sealing ring, 42. Positioning pin, 43. Mounting screw, 44. Sleeve center hole, 45. Nylon plug. Detailed Implementation

[0026] The present invention will be further described below with reference to specific embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the protection scope of the present invention.

[0027] Example:

[0028] like Figures 1-6 As shown, a rotary table oil circuit distributor includes:

[0029] Oil circuit connection plate 1, wherein a plurality of first oil circuits 2 are distributed inside the oil circuit connection plate 1, and the first oil circuits 2 are used for oil inlet;

[0030] The mandrel 3 is mounted on the oil passage connecting plate 1. The mandrel 3 has a plurality of second oil passages 4 that are axially connected to the first oil passage 2, and a plurality of third oil passages 5 that are radially connected to the second oil passages 4.

[0031] The sleeve 6 has a central hollow structure. The lower end face of the sleeve 6 has a sleeve end face vent hole 7. The mandrel 3 is sleeved in the central hollow structure of the sleeve 6 through the sleeve end face vent hole 7. A sealing structure 8 is provided between the mandrel 3 and the sleeve 6. The sealing structure 8 is located at the sleeve end face vent hole 7. The side wall of the sleeve 6 has a plurality of fourth oil passages 9 that are radially connected to the third oil passage 5. The side wall of the sleeve 6 has a plurality of fifth oil passages 10 that are axially connected to the fourth oil passages 9. The fifth oil passages 10 are used for oil outlet.

[0032] Specifically, in the oil circuit connection plate 1, one end of the first oil circuit 2 is the first oil inlet 11, and the other end of the first oil circuit 2 is the first oil outlet 12. The first oil inlet 11 leads to one side of the oil circuit connection plate 1, and the first oil outlet 12 leads to the upper surface of the oil circuit connection plate 1.

[0033] More specifically, eight distributed oil passages are machined inside the oil passage connection plate 1. The first oil inlet 11 is connected to the oil passage through the oil pipe adapter 13. High-pressure oil enters the first oil passage 2 from the first oil inlet 11 through the oil pipe adapter 13, and then comes out from the first oil outlet 12 to deliver the high-pressure oil to the second oil passage 4 inside the spindle 3.

[0034] Furthermore, the oil circuit connecting plate 1 is also provided with a connecting plate vent hole 14 leading to its other side. The connecting plate vent hole 14 is connected to the first oil circuit 2, and a connecting plate fixing screw 15 is provided in the connecting plate vent hole 14. The connecting plate fixing screw 15 plays a sealing role to prevent leakage of liquid or gas under high pressure.

[0035] Specifically, in the mandrel 3, one end of the second oil passage 4 is the second oil inlet 16, and the other end of the second oil passage 4 is the second oil outlet 17. The second oil inlet 16 leads to the lower end face of the mandrel 3 and is connected to the first oil outlet 12. One end of the third oil passage 5 is the third oil inlet 18, and the other end of the third oil passage 5 is the third oil outlet 19. The third oil inlet 18 is connected to the second oil outlet 17, and the third oil outlet 19 leads to the outer wall of the mandrel 3.

[0036] More specifically, the end face and side face of the spindle 3 are opened, and the third oil passage 5 and the fourth oil passage 9 are arranged in an alternating manner, so that high-pressure oil is sent to the fourth oil passage 9 of the sleeve 6 through the second oil passage 4 and the third oil passage 5.

[0037] Specifically, in the sleeve 6, one end of the fourth oil passage 9 is the fourth oil inlet 20, and the other end of the fourth oil passage 9 is the fourth oil outlet 21. The fourth oil inlet 20 leads to the inner wall of the sleeve 6 and is connected to the third oil outlet 19. One end of the fifth oil passage 10 is the fifth oil inlet 22, and the other end of the fifth oil passage 10 is the fifth oil outlet 23. The fifth oil inlet 22 is connected to the fourth oil outlet 21, and the fifth oil outlet 23 leads to the upper end face of the sleeve 6.

[0038] More specifically, the sleeve 6 is provided with a sleeve side vent 24 leading to the outer side wall. The sleeve side vent 24 is connected to the fourth oil passage 9, and a sleeve stop screw 25 is provided in the sleeve side vent 24. The sleeve stop screw 25 is used to block the liquid or gas in the sleeve side vent 24.

[0039] Preferably, the peripheral wall of the mandrel 3 is provided with a plurality of mandrel grooves 26, and a glyph 27 is provided in the mandrel groove 26. The plurality of glyphs 27 are spaced apart between adjacent third oil passages 5 of the mandrel 3.

[0040] Specifically, in this utility model, there are eight oil passages. A Gladley ring 27 is provided at intervals between the third oil passages 5 on the periphery of the mandrel 3, which can effectively achieve bidirectional sealing between the sleeve 6 and the mandrel 3 and prevent leakage of liquid or gas under high pressure.

[0041] Preferably, a first bearing 28 is provided at the upper end of the mandrel 3, and a bearing cover 29 is locked onto the upper end face of the mandrel 3, and the bearing cover 29 fixes the inner ring of the first bearing 28.

[0042] Specifically, a cap retaining screw 30 is provided between the bearing cap 29 and the upper end face of the spindle 3. The cap retaining screw 30 is used to block the flow of liquid or gas from the vent hole 24 on the side of the sleeve to the end face. The bearing cap 29 is firmly fixed to the end face of the spindle 3 by the cap cup screw 31. The first bearing 28 is provided to reduce friction and wear between components by rolling or sliding, thereby improving the operating accuracy.

[0043] Preferably, the sealing structure 8 includes a sealing cover 32, a bore shaft oil seal 33, and a sealing cover ring 34. The sealing cover 32 is located at the lower end face of the sleeve 6 and is sleeved on the lower end of the spindle 3. The inner ring of the sealing cover 32 is provided with a sealing inner groove 35, and the bore shaft oil seal 33 is located in the sealing inner groove 35. The end face of the sealing cover 32 connected to the sleeve 6 is provided with a sealing end groove 36, and the sealing cover ring 34 is located in the sealing end groove 36.

[0044] Specifically, a sealing groove 35 is provided in the inner ring of the sealing cover 32, and the bore oil seal 33 therein can strictly seal the sealing cover 32 and the spindle 3. A sealing end groove 36 is provided on the end face of the sealing cover 32, and the sealing cover ring 34 therein can strictly seal the sealing cover 32 and the sleeve 6, further preventing liquid or gas from leaking from the lower end of the sleeve 6 under high pressure.

[0045] More specifically, the sealing cap 32 is firmly fixed to the lower end face of the sleeve 6 by the sealing cap cup head screw 37.

[0046] Preferably, a second bearing 38 is sleeved on the lower end of the mandrel 3. The second bearing 38 is located at the upper end of the sealing cover 32. A shaft retainer 39 is provided between the second bearing 38 and the sealing cover 32. The shaft retainer 39 is embedded in the annular groove 40 of the mandrel 3, and its two sides respectively limit the inner ring of the second bearing 38 and the sealing groove 35.

[0047] Specifically, the second bearing 38 reduces friction and wear between components and improves operating accuracy by rolling or sliding. The shaft retainer 39 is clamped on the spindle 3, and the sealing cover 32 and the second bearing 38 limit the vertical position.

[0048] Preferably, an oil passage sealing ring 41 is provided between the lower end face of the mandrel 3 and the upper end face of the oil passage connecting plate 1, and the oil passage sealing ring 41 is located at the connection between the first oil passage 2 and the second oil passage 4.

[0049] Specifically, the oil circuit sealing ring 41 is used to seal the oil circuit connecting plate 1 and the spindle 3.

[0050] Preferably, the lower end face of the mandrel 3 and the oil circuit connecting plate 1 are connected by a positioning pin 42 and a mounting screw 43, which are arranged at intervals and cross each other.

[0051] Specifically, the oil circuit connecting plate 1 and the spindle 3 are connected by directional positioning pin 42, which improves the overall assembly speed, while the mounting screw 43 plays a locking role.

[0052] Preferably, a sleeve center hole 44 is provided at the center of the upper end face of the sleeve 6, and a nylon plug 45 is provided in the sleeve center hole 44.

[0053] More specifically, the nylon plug 45 is made of nylon and can prevent collisions when the mandrel 3 is installed.

[0054] In specific implementation of this utility model, the vent hole of the sleeve 6 is placed on the lower end face of the sleeve 6. During maintenance, the step of removing the sleeve 6 from the equipment panel can be eliminated, and the mandrel 3 can be directly detached from the sleeve 6 to locate the maintenance point. Specifically, the steps for quickly detaching the mandrel 3 from the sleeve 6 are as follows: first, remove the sealing cap cup head screw 37 of the sealing cap 32 to release the axial pressure of the sealing cap 32 on the mandrel 3; then, release the limiting position of the shaft retaining ring 39, and the mandrel 3 can be pulled out. Then, check whether the oil passage of the mandrel 3 is blocked, and observe the Gladius ring 27 and the sealing cap ring 34. Check if the oil circuit sealing ring 41 is aged or damaged. Test the gas flow through the vent hole 7 on the sleeve end face below the sleeve 6 to ensure that the sleeve retaining screw 25 is tightened. After inspection and repair, quickly reset the mandrel 3 by pushing it back into the sleeve 6 axially, ensuring that the oil circuit hole of the mandrel 3 is aligned with the oil circuit hole of the sleeve 6. Tighten the shaft retainer 39 and the second bearing 38, reinstall the sealing cover 32, and then insert the nylon plug 45 into the center hole of the sleeve 6. The nylon plug 45 can prevent the mandrel 3 from colliding with the upper end face of the sleeve 6 during installation.

[0055] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A turret fluid circuit distributor characterized by, include: An oil passage connection plate, wherein a plurality of first oil passages are distributed inside the oil passage connection plate, and the first oil passages are used for oil inlet; A mandrel is disposed on an oil passage connecting plate. The mandrel has a plurality of second oil passages that are axially connected to the first oil passage, and a plurality of third oil passages that are radially connected to the second oil passages. The sleeve has a centrally hollow structure, and a sleeve end face vent hole is opened on the lower end face of the sleeve. The mandrel is sleeved in the centrally hollow structure of the sleeve through the sleeve end face vent hole, and a sealing structure is provided between the mandrel and the sleeve. The sealing structure is located at the sleeve end face vent hole. The side wall of the sleeve has a number of fourth oil passages that are radially connected to the third oil passage, and the side wall of the sleeve has a number of fifth oil passages that are axially connected to the fourth oil passages. The fifth oil passages are used for oil outlet.

2. A rotary table oil circuit distributor according to claim 1, wherein: The mandrel has several mandrel grooves on its peripheral wall, and a Gladger ring is provided in each of the mandrel grooves. The Gladger rings are spaced apart between adjacent third oil passages of the mandrel.

3. A rotary table oil circuit distributor according to claim 1, wherein: The upper end of the mandrel is provided with a first bearing, and a bearing cover is locked onto the upper end face of the mandrel, and the bearing cover fixes the inner ring of the first bearing.

4. A turntable oil circuit distributor according to claim 1, characterized in that: The sealing structure includes a sealing cover, a bore shaft oil seal, and a sealing cover ring. The sealing cover is located at the lower end face of the sleeve and is fitted onto the lower end of the mandrel. The inner ring of the sealing cover is provided with a sealing inner groove, and the bore shaft oil seal is located in the sealing inner groove. A sealing end groove is provided on the end face of the sealing cover connected to the sleeve, and the sealing cover ring is located in the sealing end groove.

5. A rotary table oil circuit distributor according to claim 4, characterized in that: The lower end of the mandrel is fitted with a second bearing, which is located at the upper end of the sealing cover. A shaft retainer is provided between the second bearing and the sealing cover. The shaft retainer is embedded in the annular groove of the mandrel, and its two sides respectively limit the inner ring of the second bearing and the inner groove of the sealing cover.

6. A rotary table oil circuit distributor according to claim 1, characterized in that: An oil passage sealing ring is provided between the lower end face of the mandrel and the upper end face of the oil passage connecting plate, and the oil passage sealing ring is located at the connection between the first oil passage and the second oil passage.

7. A rotary table oil circuit distributor according to claim 1, characterized in that: The lower end face of the mandrel and the oil circuit connecting plate are connected by a locating pin and a mounting screw, which are arranged at intervals and cross each other.

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