Center swivel joint initial angle aligning device
By designing an initial angle adjustment device for the central rotary joint and utilizing a support plate and positioning connection structure, the problem of difficult angle positioning of the central rotary joint was solved, enabling rapid assembly and efficient production of multiple products while reducing labor intensity and tooling replacement time.
Patent Information
- Application Number
- CN202422945754.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing method for adjusting the initial angle of the central rotary joint has problems such as difficulty in positioning for workers, high labor intensity, and poor adaptability of tooling. In particular, tooling must be frequently replaced during the assembly of multiple products, resulting in low production efficiency.
A central rotary joint initial angle adjustment device is designed, which includes a support plate, a positioning connection structure and a limit block. The support plate is fixed by connecting screws, and the angle of the central rotary joint is adjusted by using a rotating mechanism and a positioning pin to meet the assembly requirements of various products.
It improves the product qualification rate, reduces the labor intensity of operators, reduces the time wasted in changing tooling, improves the production efficiency of the workshop, and is easy to use and widely applicable.
Smart Images
Figure CN223442132U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to central swivel joint adjusting technical field especially relates to a central swivel joint initial angle adjustment device. BACKGROUND
[0002] The central swivel joint initial angle is the mutual angle between the oil distribution shaft and the swivel body of the central swivel joint, which is the main assembly relationship and requirement of the central swivel joint and the main machine. If the main machine factory finds that the initial angle of the central swivel joint being installed does not meet the drawing requirement during assembly, the central swivel joint will not be installed on the main machine, which will cause the main machine factory to stop production, resulting in serious loss of production manpower and material resources. The existing central swivel joint initial angle adjustment method is mainly the tooling of pin hole matching structure.
[0003] The existing central swivel joint initial angle adjustment has the following problems: 1. When using the tooling of pin hole matching structure to adjust the initial angle of the product, the central swivel joint has its own inherent torque, generally 200N.m, which makes it difficult for workers to align the pin on the tooling with the positioning hole on the product. At the same time, the positioning pin on the tooling and the positioning hole on the product are often damaged during operation, resulting in the failure of the tooling positioning function, the frequent displacement of the tooling limiting block, and the need for rework due to unqualified initial angle size of the product, which reduces the efficiency of the central swivel joint initial angle adjustment process and increases the labor intensity. 2. The existing central swivel joint needs to ensure the initial angle of more and more products, so the existing tooling needs to be suitable for the production of multiple products to reduce the frequency of on-site tooling replacement. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem of the prior art, provides a central swivel joint initial angle adjustment device, reduces the labor intensity of the operator, adapts to the assembly of multiple products, reduces the time waste of replacing the tooling during product operation, improves the production efficiency of the workshop, and has the characteristics of convenient use and strong practicality.
[0005] The utility model adopts the technical scheme: a central swivel joint initial angle adjustment device, including the support plate, the support plate middle position is provided with the central through -hole, be equipped with a plurality of pass through the nail hole on the support plate, be equipped with a plurality of with the workbench connection's connecting screw on the pass through the nail hole, be equipped with a plurality of for installing the central swivel joint's screw hole on the support plate, be equipped with a plurality of distribution in different division circle radius's positioning connection structure on the support plate, wherein one Positioning connection structure is equipped with the positioning stand, the positioning stand upper end is equipped with the limiting block, be equipped with the stop screw for positioning the limiting block on the positioning stand.
[0006] As a further improvement, the positioning connection structure comprises a locking screw and two positioning pins, the positioning pins are installed on the support plate, and the locking screw is connected with the positioning column through the support plate.
[0007] Further, the limiting block is rotatably installed on the positioning column through a sleeve, and the sleeve outer circle and the rotating hole of the limiting block are in clearance fit.
[0008] Further, the length of the sleeve is 0.01-0.02 mm larger than that of the limiting block.
[0009] Further, one side of the sleeve is provided with a pressing block, the pressing block is provided with a pressing bolt, and the pressing bolt is connected with the nut through the pressing block, the sleeve and the positioning column in sequence.
[0010] Further, the roughness of the two side surfaces of the pressing block is not less than Ra3.2.
[0011] Beneficial effects
[0012] Compared with the prior art, the utility model has the following advantages:
[0013] The utility model discloses a central rotary joint initial angle adjusting device, uses the connecting screw and installs the support plate on the workbench, when operating, the big end of the central rotary joint that needs to adjust the initial angle is passed through the central through -hole of support plate, and the central rotary joint is fixed on the tool with screw, then starts the rotating mechanism rotation central rotary joint on the workbench, makes the angle positioning surface of central rotary joint and the positioning surface of the limiting block of tool fit, so can reach the adjustment of product initial angle, when needing to adjust other model's product, places the central rotary joint all on the positioning connection structure of another division circle, uses two positioning pins and then locks and installs to it with locking screw, thereby realizes the positioning surface of limiting block and the angle positioning surface of central rotary joint fit, utilizes this device and can quickly adjust the initial position of central rotary joint, and product qualified rate improves obviously, and product adjustment angle qualified rate effectively improves, and this method solves the angle difficult positioning problem of central rotary joint of prior art, and the labor intensity of operator is reduced obviously, through setting up a plurality of positioning connection structures on the support plate, the tool can adapt to the assembly of multiple products, reduces the time waste of changing tool when changing product operation, improves the production efficiency of workshop, has convenient to use, wide application range's characteristics. ACCURACY OF DRAWINGS
[0014] Fig. 1 It is the explosion structure schematic diagram of the utility model;
[0015] Fig. 2 It is the main view structure schematic diagram of the utility model;
[0016] Fig. 3 The practical application structure amplification schematic view of the utility model.
[0017] Among them: 1 - support plate, 2 - positioning connection structure, 3 - connecting screw, 4 - positioning column, 5 - through bolt hole, 6 - limit block, 7 - gear screw, 8 - sleeve, 9 - pressure block, 10 - compression bolt, 11 - nut, 12 - threaded hole, 13 - central rotary joint, 14 - central through hole, 21 - positioning pin, 22 - locking screw. DETAILED DESCRIPTION
[0018] The utility model makes further explanation in combination with specific embodiment in the drawing.
[0019] Refer to Figs. 1-3 As shown in the utility model discloses a central rotary joint initial angle corrector, including support plate 1, the central through hole 14 of being provided with in the middle position of support plate 1, be provided with a plurality of through bolt holes 5 on support plate 1, be equipped with a plurality of connecting screw 3 that worktable is connected on through bolt hole 5, be equipped with a plurality of threaded holes 12 for installing central rotary joint 13 on support plate 1, one of positioning connection structure 2 is equipped with positioning column 4 on positioning connection structure 2, limit block 6 is rotatably equipped with on the upper end of positioning column 4, be equipped with the gear screw 7 for positioning limit block 6 on positioning column 4, use connecting screw 3 and install support plate 1 on worktable, when operating, the big end of the central rotary joint 13 that needs to correct initial angle is passed through the central through hole 14 of support plate 1, with screw central rotary joint 13 is fixed on tooling, limit block 6 is arranged 90 ° under the check of gear screw 7, then start the rotating mechanism on worktable and rotate central rotary joint 13, let the angle positioning surface of central rotary joint 13 and the positioning surface of limit block 6 of tooling are pasted, so it can reach the correct of product initial angle, when needing to adjust other model product, place central rotary joint 13 on the positioning connection structure 2 of another index circle, after using two positioning pins 21 and aligning, use locking screw 22 and lock and install it, so that the positioning surface of limit block 6 and the angle positioning surface of central rotary joint are pasted, using this device can quickly correct the initial position of central rotary joint 13, and the product qualification rate is obviously improved, and the product qualification rate of angle correction is effectively improved, this method solves the angle difficult positioning of the prior art to central rotary joint, and the labor intensity of operator is obviously reduced, by setting up a plurality of positioning connection structures on the support plate, the tooling can adapt to the assembly of multiple products, reduce the time waste of replacing tooling when replacing product operation, improve the production efficiency of workshop, have convenient to use, the characteristics such as wide range of application.
[0020] Specifically, the positioning connecting structure 2 comprises locking screws 22 and two positioning pins 21, the positioning pins 21 are installed on the support plate 1, the locking screws 22 are connected with the positioning column 4 through the support plate 1, and the positioning column 4 is positioned and fixed on the support plate 1 through the positioning pins 21 and the locking screws 22.
[0021] Preferably, the limiting block 6 is rotatably installed on the positioning column 4 through the sleeve 8, the outer circle of the sleeve 8 is in clearance fit with the rotating hole of the limiting block 6, so that the limiting block 6 can be accurately positioned and easily rotated.
[0022] Further, the length of the sleeve 8 is 0.01-0.02 mm longer than that of the limiting block 6, so that the limiting block 6 is limited and can be flexibly rotated.
[0023] Further, the sleeve 8 is provided with a pressing block 9 on one side, the pressing block 9 is provided with a pressing bolt 10, the pressing bolt 10 is connected with a nut 11 through the pressing block 9, the sleeve 8 and the positioning column 4 in sequence, and the roughness of the two side surfaces of the pressing block 9 is not less than Ra3.2, so that when the pressing block 9 presses the sleeve 8, the limiting block 6 is not interfered by friction.
[0024] In use, the support plate 1 is installed on the workbench by using the connecting screws 3, the large end of the central rotary joint 13 whose initial angle needs to be adjusted is inserted through the central through hole 14 of the support plate 1, the central rotary joint 13 is fixed on the tool by using screws, the limiting block 6 is rotated, the limiting block 6 is arranged at 90° under the blocking of the blocking screw 7, then the rotating mechanism on the workbench is started to rotate the central rotary joint 13, and the angle positioning surface of the central rotary joint 13 is attached to the positioning surface of the limiting block 6, so that the initial angle of the product can be adjusted, when other models of products need to be adjusted, the central rotary joint 13 is placed on the positioning connecting structure 2 of another index circle, the two positioning pins 21 are used for positioning, and the locking screws 22 are used for locking and installing, so that the positioning surface of the limiting block 6 is attached to the angle positioning surface of the central rotary joint, the initial position of the central rotary joint 13 can be quickly adjusted by using the device, the product qualification rate is obviously improved, the product qualification rate of the adjusted angle is effectively improved, the device solves the problem of difficult positioning of the angle of the central rotary joint in the prior art, obviously reduces the labor intensity of the operator, the tool can adapt to the assembly of multiple products by arranging multiple positioning connecting structures on the support plate, the time waste of replacing the tool when the product is replaced is reduced, the production efficiency of the workshop is improved, and the device has the characteristics of convenient use and wide application range.
[0025] The above merely is preferred implementation manner of the present application, it should be pointed out that for the person skilled in the art without departing from the premise of the structure of the present application, still can make several deformation and improvement, these will not influence the effect and the practicality of the patent of the present application implementation.
Claims
1. A central rotary joint initial angle adjustment device, characterized in that: The invention comprises a support plate (1), wherein a central through hole (14) is provided in the middle of the support plate (1), a plurality of nail holes (5) are provided on the support plate (1), a plurality of connecting screws (3) connected to the workbench are provided on the nail holes (5), a plurality of threaded holes (12) for installing a central rotary joint (13) are provided on the support plate (1), a plurality of positioning connection structures (2) distributed at different pitch circle radii are provided on the support plate (1), a positioning column (4) is provided on one of the positioning connection structures (2), a limit block (6) is provided on the upper end of the positioning column (4), and a stop screw (7) for positioning the limit block (6) is provided on the positioning column (4).
2. The central rotary joint initial angle adjustment device according to claim 1, characterized in that: The positioning connection structure (2) comprises a locking screw (22) and two positioning pins (21), wherein the positioning pins (21) are mounted on the support plate (1), and the locking screw (22) passes through the support plate (1) and is connected to the positioning column (4).
3. The central rotary joint initial angle adjustment device according to claim 1, characterized in that: The limit block (6) is rotatably mounted on the positioning column (4) via a sleeve (8), and the outer circle of the sleeve (8) and the rotation hole of the limit block (6) are clearance-matched.
4. The central rotary joint initial angle adjustment device according to claim 3, characterized in that: The length of the sleeve (8) is 0.01 to 0.02 mm longer than that of the limit block (6).
5. The central rotary joint initial angle adjustment device according to claim 3, characterized in that: A pressure block (9) is provided on one side of the sleeve (8), and a clamping bolt (10) is provided on the pressure block (9). The clamping bolt (10) passes through the pressure block (9), the sleeve (8), the positioning column (4) and the nut (11) in sequence.
6. The central rotary joint initial angle adjustment device according to claim 5, characterized in that: The roughness of both side surfaces of the pressing block (9) is not less than Ra3.2.