Turning tool for spherical hinge shaft

Abstract

The utility model provides a spherical hinge shaft turning tool which comprises a plurality of chuck jaws which are installed on a tire seat. The tire seat comprises a cylinder, an upper flange and a lower flange are mounted at the top and the bottom of the cylinder respectively, and a ball of the spherical hinge shaft is placed in an inner cavity of the cylinder; a plurality of chuck jaws used for clamping the outer circle of the journal of the spherical hinge shaft are installed on the upper flange, a plurality of vertical ribs distributed on the side wall of the cylinder in the circumferential direction are installed between the upper flange and the lower flange, and the lower flange is installed on a horizontal lathe chuck. According to the turning tool for the spherical hinge shaft, the tire seat can be fixed on a horizontal lathe chuck, a ball head at one end of the spherical hinge shaft is located in the tire seat and clamps a shaft neck of the spherical hinge shaft through the chuck jaw, a ball head at the other end of the spherical hinge shaft is tightly jacked through a lathe center, then the outer circle of the shaft neck at the end, making contact with the lathe center, of the spherical hinge shaft is turned, machining efficiency is high, and cost is low.

Description

Technical Field

[0001] The utility model belongs to the technical field of ball hinge shaft clamping, in particular to a ball hinge shaft turning tool. Background Art

[0002] A large ball joint shaft refers to a shaft with a ball head installed at each end of a long shaft neck. When processing the outer circle of the two ends of the ball joint shaft neck and the ball head, the dimensional accuracy is required to be 0.05mm and the roughness is Ra0.8. However, since the ball head is a precision-machined part with high dimensional accuracy and high surface finish, clamping the spherical surface is not allowed during processing, resulting in the ball joint shaft being unable to be clamped and processed on a horizontal car.

[0003] Conventionally, when machining the outer circle of the two ends of the ball joint shaft journal and the ball head, a radial tool holder is usually used on a large boring machine to bore the outer circle of the two ends, and a rotary table is used to cooperate; however, the large boring machine with a radial tool holder is required to machine the ball joint shaft, which is costly and inefficient. Utility Model Content

[0004] In order to solve the problems existing in the prior art, the utility model aims to provide a ball-joint shaft turning tool, which solves the problem that the ball-joint shaft cannot be clamped and processed on a horizontal lathe.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A ball hinge shaft turning tool, comprising a chuck jaw, a plurality of which are mounted on a tire seat;

[0007] The tire seat includes a cylinder, and an upper flange and a lower flange are respectively installed on the top and bottom of the cylinder, and the ball head of the ball joint shaft is placed in the inner cavity of the cylinder; a plurality of chuck claws for clamping the outer circle of the ball joint shaft neck are installed on the upper flange, and a plurality of vertical ribs circumferentially distributed on the side wall of the cylinder are installed between the upper flange and the lower flange, and the lower flange is installed on the horizontal car chuck.

[0008] Furthermore, the upper flange and the lower flange are arranged in parallel with an error of less than 0.02 mm.

[0009] Furthermore, the upper flange is provided with a plurality of groups of engagement holes respectively matched with a plurality of chuck claws.

[0010] Furthermore, a plurality of mounting holes connected to the carriage chuck are provided on the lower flange.

[0011] Furthermore, the runout error between the outer circle of the lower flange and the end face of the lower flange is less than or equal to 0.05 mm.

[0012] Furthermore, the inner diameter of the cylinder is 10 mm larger than the diameter of the ball head of the ball joint shaft to be processed.

[0013] Furthermore, the vertical ribs are welded to the side walls of the cylinder, and two ends of the vertical ribs are respectively welded to the upper flange and the lower flange.

[0014] Furthermore, the number of the vertical ribs is eight.

[0015] Furthermore, the chuck jaws are standard vertical lathe chuck jaws, and the number is four.

[0016] Furthermore, the chuck claws are connected to the upper flange bolts.

[0017] Compared with the prior art, the ball hinge shaft turning tooling described in the utility model has the following advantages:

[0018] Compared with the prior art, the ball joint shaft turning tooling described in the utility model is composed of a tire seat and a chuck claw. The tire seat can be fixed on the horizontal lathe chuck, so that the ball head at one end of the ball joint shaft is located in the tire seat and the outer circle of the ball joint shaft neck is clamped by the chuck claw, and the ball head at the other end is tightened by the lathe center, and then the outer circle of the neck of the ball joint shaft and the lathe center contact end is turned, with high processing efficiency and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0020] Figure 1 A front view of the overall structure provided for an embodiment of the utility model;

[0021] Figure 2 A top view of the overall structure provided for an embodiment of the utility model;

[0022] Figure 3 A schematic diagram of a placenta structure provided in an embodiment of the utility model;

[0023] Figure 4 A front view of a placenta provided in an embodiment of the utility model;

[0024] Figure 5 for Figure 4 Middle AA section;

[0025] Figure 6 It is a schematic diagram of the lower flange structure;

[0026] Figure 7 Schematic diagram of ball joint shaft.

[0027] Description of reference numerals:

[0028] 1. Chuck claw; 2. Fetal seat; 3. Cylinder; 4. Upper flange; 41. Handle hole; 5. Lower flange; 51. Mounting hole; 6. Vertical rib; B. The outer circle of the joint between the two ends of the ball joint shaft neck and the ball head. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0030] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0032] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0033] like Figures 1 to 7 As shown, a ball joint shaft turning tool comprises a chuck jaw 1, and a plurality of the chuck jaws 1 are mounted on a seat 2;

[0034] The tire seat 2 includes a cylinder 3, and an upper flange 4 and a lower flange 5 are respectively installed on the top and bottom of the cylinder 3, and the ball head of the ball joint shaft is placed in the inner cavity of the cylinder 3; a plurality of chuck claws 1 for clamping the outer circle of the ball joint shaft neck are installed on the upper flange 4, and a plurality of vertical ribs 6 circumferentially distributed on the side wall of the cylinder 3 are installed between the upper flange 4 and the lower flange 5, and the lower flange 5 is installed on the horizontal car chuck.

[0035] In a preferred embodiment of the present invention, the upper flange 4 and the lower flange 5 are arranged in parallel with an error of less than 0.02 mm.

[0036] In actual use, the upper flange 4 and the lower flange 5 are arranged in parallel with an error of less than 0.02 mm, thereby ensuring the stability of the tooling and improving the processing accuracy.

[0037] In a preferred embodiment of the present invention, the upper flange 4 is provided with a plurality of groups of engagement holes 41 respectively matched with a plurality of chuck jaws 1 .

[0038] In actual use, the upper flange 4 is provided with a handle hole 41 to facilitate installation and removal of the chuck jaw 1 .

[0039] In a preferred embodiment of the present invention, a plurality of mounting holes 51 connected to the horizontal car chuck are provided on the lower flange 5 .

[0040] In actual use, a mounting hole 51 is provided on the lower flange 5 to facilitate the connection between the lower flange 5 and the carriage chuck.

[0041] In a preferred implementation manner of the present invention, the runout error between the outer circle of the lower flange 5 and the end face of the lower flange 5 is less than or equal to 0.05 mm.

[0042] In actual use, the runout error between the outer circle of the lower flange 5 and the end face of the lower flange 5 is less than or equal to 0.05 mm, which ensures the stability of the tire seat 2 and improves the processing accuracy.

[0043] In a preferred embodiment of the present invention, the inner diameter of the cylinder 3 is 10 mm larger than the diameter of the ball head of the ball joint shaft to be processed.

[0044] In actual use, the inner diameter of the cylinder 3 is 10 mm larger than the diameter of the ball head of the ball joint shaft to be processed, which is convenient for placing the ball head of the ball joint shaft and is not easy to damage the ball head; the height of the tire seat 2 is designed according to the length of the ball head of the ball joint shaft.

[0045] In a preferred embodiment of the present invention, the vertical rib 6 is welded to the side wall of the cylinder 3 , and two ends of the vertical rib 6 are respectively welded to the upper flange 4 and the lower flange 5 .

[0046] The number of the vertical ribs 6 is eight.

[0047] In actual use, the tire seat 2 is designed with eight vertical ribs 6, which are welded to the upper flange 4, the lower flange 5 and the cylinder 3 to improve the strength and rigidity of the tire seat 2.

[0048] In a preferred embodiment of the present invention, the chuck jaws 1 are standard vertical lathe chuck jaws, and the number is four.

[0049] The chuck jaws 1 are connected to the upper flange 4 by bolts.

[0050] In actual use, the chuck jaw 1 is a C512A vertical lathe jaw, which is bolted to the upper flange 4 for easy installation and removal; each chuck jaw 1 is located between two vertical ribs 6, which is convenient for installing the chuck jaw and improving the rigidity of the chuck jaw. The C512A vertical lathe jaw includes a jaw seat and a slider slidably arranged in the jaw seat. The ball joint shaft journal is clamped by controlling the sliding of the slider to increase the stability of the ball joint shaft.

[0051] Working principle of ball hinge shaft turning tooling:

[0052] Fix the lower flange 5 of this tooling on the horizontal lathe chuck with bolts, and clamp the lower flange 5 of the tire seat 2 with the lathe claws, and press down the outer circle of the flange 5 for alignment, with an error of no more than 0.02mm; install center plugs on the inner holes of the ball heads at both ends of the ball joint shaft respectively, and insert the ball head at one end into the inner cavity of the cylinder 3, and then adjust the four chuck claws 1 so that the four chuck claws 1 clamp the outer circle of the journal of the ball joint shaft; use the lathe top to push the center plug of the ball head at the other end of the ball joint shaft, and align it according to the alignment reference of the outer circle of the ball joint shaft, with an error of no more than 0.02mm; then turn the outer circle of the journal at the contact end of the ball joint shaft and the lathe top, machine the outer circle of the journal to size, and form a step at the journal end; replace the ball heads at both ends of the ball joint shaft for clamping, so that the slider of the chuck claw 1 abuts against the step at the journal end after turning, increase the stability of the ball joint shaft, turn the outer circle of the other end to size, and complete the processing of the ball joint shaft.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ball joint shaft turning tool, characterized in that: It comprises a chuck jaw (1), wherein a plurality of the chuck jaws (1) are mounted on a placenta (2); The seat (2) comprises a cylinder (3), an upper flange (4) and a lower flange (5) are respectively installed on the top and bottom of the cylinder (3), and the ball head of the ball joint shaft is placed in the inner cavity of the cylinder (3); a plurality of chuck claws (1) for clamping the outer circle of the ball joint shaft neck are installed on the upper flange (4), and a plurality of vertical ribs (6) circumferentially distributed on the side wall of the cylinder (3) are installed between the upper flange (4) and the lower flange (5), and the lower flange (5) is installed on the horizontal car chuck.

2. The ball joint shaft turning tool according to claim 1 is characterized in that: The upper flange (4) and the lower flange (5) are arranged in parallel with an error of less than 0.02 mm.

3. The ball joint shaft turning tool according to claim 1, characterized in that: The upper flange (4) is provided with a plurality of groups of engagement holes (41) respectively matched with a plurality of chuck claws (1).

4. The ball joint shaft turning tool according to claim 1, characterized in that: The lower flange (5) is provided with a plurality of mounting holes (51) connected to the carriage chuck.

5. The ball joint shaft turning tool according to claim 1, characterized in that: The runout error between the outer circle of the lower flange (5) and the end face of the lower flange (5) is less than or equal to 0.05 mm.

6. The ball joint shaft turning tool according to claim 1, characterized in that: The inner diameter of the cylinder (3) is 10 mm larger than the diameter of the ball head of the ball joint shaft to be processed.

7. The ball joint shaft turning tool according to claim 1, characterized in that: The vertical rib (6) is welded to the side wall of the cylinder (3), and two ends of the vertical rib (6) are respectively welded to the upper flange (4) and the lower flange (5).

8. The ball joint shaft turning tool according to claim 1, characterized in that: The number of the vertical ribs (6) is eight.

9. The ball joint shaft turning tool according to claim 1, characterized in that: The chuck jaws (1) are standard vertical lathe chuck jaws (1), and the number is four.

10. The ball joint shaft turning tool according to claim 1, characterized in that: The chuck claw (1) is bolted to the upper flange (4).

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