Clamp for machining automobile steering column

Abstract

The utility model provides a fixture for processing an automobile steering column, which comprises a base, a fixing plate, an end part clamping assembly, a side edge positioning assembly, a middle support frame, a side edge clamping assembly and an end part clamping cylinder, the two end clamping assemblies, the two side edge positioning assemblies, the two middle supporting frames, the two side edge clamping assemblies and the two end clamping cylinders are symmetrically arranged along the central axis of the base and fixed to the base. The end clamping assembly is used for clamping the head of the automobile steering column, the side edge positioning assembly is used for positioning the side edge of the automobile steering column, the middle supporting frame is used for supporting a pipe body of the automobile steering column, and the side edge clamping assembly is used for clamping the side edge of the tail of the automobile steering column. The end clamping cylinder is used for clamping the tail of the automobile steering column, two-end positioning is designed, the stability of the clamped steering column can be guaranteed, and the machining precision is high.

Description

Technical Field

[0001] The utility model relates to the technical field of a steering column processing fixture, in particular to a fixture for processing an automobile steering column. Background Art

[0002] The automobile steering column is a steering mechanism used to connect the steering wheel and the steering gear. It is an important component of the automobile. After the automobile steering column is cast, the end faces on both sides are relatively rough, so workers will fine-process the end faces of the automobile steering column.

[0003] The existing Chinese patent document CN202320463437.3 discloses an auxiliary fixture for steering column processing, including a base, an air pump is arranged in the base, two air cylinders are arranged on the base, a push rod is arranged in the cylinder, the top of the push rod is hingedly connected to a connecting platform, a fixed ring platform is fixedly connected to the top of the connecting platform, a rotating ring platform is rotatably arranged on the inner side of the fixed ring platform, a ventilation groove is arranged on the inner side of the fixed ring platform, a plurality of air guide holes are arranged in the rotating ring platform, the air guide holes are connected with the ventilation grooves, a fixture is slidably arranged in the air guide holes, the steering column can be adjusted and rotated at an angle when clamped, so that the steering column processing is convenient and the processing efficiency of the steering column is improved. The buffer structure designed by the fixture can be more stable when clamping the steering column, and the spacing between the two rotating ring platforms can be adjusted, so that the operator can grasp the best clamping position, which is convenient to adapt to steering columns of different sizes.

[0004] However, the above patent has certain defects when in use. The device can only clamp the two ends of the steering column, and there is no force point in the middle, which is prone to shaking during processing. Moreover, this method can only process one steering column at a time, and the processing efficiency is low.

[0005] For this reason, a kind of automobile steering column processing fixture is proposed here to solve the above-mentioned problems. Utility Model Content

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a clamp for machining an automobile steering column.

[0007] The utility model is implemented by the following technical solutions:

[0008] A fixture for machining an automobile steering column, comprising a base and a fixing plate, wherein the fixing plate is fixed to the left side of the base, and further comprising an end clamping assembly, a side positioning assembly, a middle support frame, a side clamping assembly and an end clamping cylinder;

[0009] The end clamping assembly, the side positioning assembly, the middle support frame, the side clamping assembly and the end clamping cylinder are each provided with two, symmetrically arranged along the central axis of the base, and are all fixed on the base;

[0010] The end clamping assembly is used for clamping the head of the automobile steering column, the side positioning assembly is used for positioning the side of the automobile steering column, the middle support frame is used for supporting the body of the automobile steering column, the side clamping assembly is used for clamping the side of the rear of the automobile steering column, and the end clamping cylinder is used for clamping the rear of the automobile steering column.

[0011] Through the above technical solution, not only the two ends of the automobile steering column can be clamped, but also the automobile steering column can be clamped and positioned in multiple directions through the side positioning assembly, the middle support frame and the side clamping assembly to ensure the processing accuracy.

[0012] The end clamping assembly is fixed on the side wall of the pressure block, and the end clamping assembly includes an upper clamping block, an upper clamping buckle, a positioning block and a side clamping buckle. The upper clamping block is arranged at the upper end of the positioning block, and two side clamping buckles are provided, which are symmetrically fixed on both sides of the positioning block. The upper clamping buckle is arranged on the right side of the upper clamping block.

[0013] Through the above technical solution, the upper clamping block limits the end of the steering column, and the upper clamp and the side clamp clamp the end of the steering column in multiple directions to ensure stability during processing.

[0014] The side positioning assembly is arranged on the right side of the end clamping assembly, and the middle support frame is arranged on the right side of the side positioning assembly.

[0015] Through the above technical solution, the middle support frame supports the tube body of the steering column to prevent bending and damage during the processing.

[0016] The side clamping assembly includes a side clamping buckle and a side support limit block;

[0017] A positioning column is arranged on the upper side of the side support limit block, and a limit column and a support column are also arranged on the base.

[0018] Through the above technical solution, the positioning column, the limiting column and the supporting column can quickly position the steering column.

[0019] An electric lifting and retracting cylinder is provided on the right side of the base, and the output end of the electric lifting and retracting cylinder is fixedly connected to the right side wall of the base. A slider is provided at the bottom of the base. Two sliders are provided and arranged in parallel at the bottom of the base and fixedly connected thereto.

[0020] Through the above technical solution, the steering column can be processed by a vertical machining center, thereby reducing production costs.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] 1. It can process two automobile steering columns at the same time, set up side positioning components, middle support frames and side clamping components, and design two-end positioning to ensure the stability of the steering column after being clamped, with high processing accuracy;

[0023] 2. Normal pipe strings are produced by horizontal machining centers or five-axis, but this device can make full use of vertical machining center equipment to reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the installation structure of the utility model and the steering column of an automobile;

[0025] Figure 2 It is a schematic diagram of the front three-dimensional structure of the utility model;

[0026] Figure 3 It is a front structural schematic diagram of the utility model;

[0027] Figure 4 It is a schematic diagram of the structure of the utility model from top view;

[0028] Figure 5 It is a schematic diagram of the three-dimensional structure of the side of the utility model;

[0029] Figure 6 It is a schematic diagram of the three-dimensional structure of the bottom surface of the utility model;

[0030] In the figure: 1. base; 11. slider; 12. electric lifting and retracting cylinder; 13. pressure block; 2. end clamping assembly; 21. upper clamping block; 22. upper clamping buckle; 23. positioning block; 24. side clamping buckle; 3. side positioning assembly; 4. middle support frame; 5. side clamping assembly; 51. side clamping buckle; 52. side support limit block; 6. end clamping cylinder; 7. fixing plate; 71. connecting block; 8. positioning column; 81. limit column; 82. support column. DETAILED DESCRIPTION

[0031] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0032] The utility model is further described below in conjunction with the accompanying drawings.

[0033] like Figures 1 to 6 As shown, a fixture for processing a steering column of an automobile comprises a base 1 and a fixing plate 7, wherein the fixing plate 7 is fixed to the left side of the base 1, and further comprises an end clamping assembly 2, a side positioning assembly 3, a middle support frame 4, a side clamping assembly 5 and an end clamping cylinder 6;

[0034] The end clamping assembly 2, the side positioning assembly 3, the middle support frame 4, the side clamping assembly 5 and the end clamping cylinder 6 are each provided with two, symmetrically arranged along the central axis of the base 1, and are all fixed on the base 1;

[0035] The end clamping assembly 2 is used for clamping the head of the automobile steering column, the side positioning assembly 3 is used for positioning the side of the automobile steering column, the middle support frame 4 is used for supporting the body of the automobile steering column, the side clamping assembly 5 is used for clamping the side of the rear of the automobile steering column, and the end clamping cylinder 6 is used for clamping the rear of the automobile steering column. Not only the two ends of the automobile steering column are clamped, but also the side positioning assembly 3, the middle support frame 4 and the side clamping assembly 5 can clamp and position the automobile steering column in multiple directions to ensure processing accuracy.

[0036] The end clamping assembly 2 is fixed on the side wall of the pressure block 13, and the end clamping assembly 2 includes an upper clamping block 21, an upper clamping buckle 22, a positioning block 23 and a side clamping buckle 24. The upper clamping block 21 is arranged at the upper end of the positioning block 23, and two side clamping buckles 24 are provided, which are symmetrically fixed on both sides of the positioning block 23. The upper clamping buckle 22 is arranged on the right side of the upper clamping block 21. The upper clamping block 21 limits the end of the steering column, and the upper clamping buckle 22 and the side clamping buckle 24 clamp the end of the steering column in multiple directions to ensure stability during processing.

[0037] The side positioning assembly 3 is arranged on the right side of the end clamping assembly 2 , and the middle support frame 4 is arranged on the right side of the side positioning assembly 3 .

[0038] The middle support frame 4 supports the body of the steering column to prevent the body from bending and causing damage during processing.

[0039] The side clamping assembly 5 includes a side clamping buckle 51 and a side support limit block 52;

[0040] A positioning column 8 is disposed on the upper side of the side support limit block 52 , and a limit column 81 and a support column 82 are also disposed on the base 1 .

[0041] An electric lifting and retraction cylinder 12 is provided on the right side of the base 1, and the output end of the electric lifting and retraction cylinder 12 is fixedly connected to the right side wall of the base 1. A slider 11 is provided at the bottom of the base 1. Two sliders 11 are provided, which are arranged in parallel at the bottom of the base 1 and fixedly connected thereto. The lifting and retraction rod of the electric lifting and retraction cylinder 12 can be extended and retracted back and forth, thereby driving the base 1 and the slider 11 to move back and forth on the machine tool. The slider 11 reduces the wear of the base 1 and extends the service life of the device.

[0042] The use principle of the utility model is: when in use, the steering column is placed on the base 1, two steering columns can be placed at one time, the column body of the steering column is placed on the middle support frame 4, and the positioning column 8 and the limiting column 81 are used to quickly position and limit the end thereof;

[0043] The end clamping assembly 2 positions the end of the steering column. The end of the steering column is plugged into the positioning block 23. The upper clamping block 21 clamps the upper end thereof. The upper clamping buckle 22 and the side clamping buckles 24 at both ends clamp and fasten the end of the steering column.

[0044] The end clamping cylinder 6 at the other end clamps the other end of the steering column. At this time, the two ends of the steering column are clamped, and the side clamps 51 on the side clamp and position the side of the steering column. The side support limit block 52 can quickly detect whether the position of the steering column is correctly placed, which is very convenient and fast. Normal columns are all produced by horizontal machining centers or five-axis, and this device can make full use of vertical machining center equipment for production, thereby reducing production costs.

[0045] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A fixture for machining a steering column of an automobile, comprising a base (1) and a fixing plate (7), wherein the fixing plate (7) is fixed on the left side of the base (1), and characterized in that: It also includes an end clamping assembly (2), a side positioning assembly (3), a middle support frame (4), a side clamping assembly (5) and an end clamping cylinder (6); The end clamping assembly (2), the side positioning assembly (3), the middle support frame (4), the side clamping assembly (5) and the end clamping cylinder (6) are each provided with two, symmetrically arranged along the central axis of the base (1), and are all fixed on the base (1); The end clamping assembly (2) is used for clamping the head of the automobile steering column, the side positioning assembly (3) is used for positioning the side of the automobile steering column, the middle support frame (4) is used for supporting the body of the automobile steering column, the side clamping assembly (5) is used for clamping the side of the rear of the automobile steering column, and the end clamping cylinder (6) is used for clamping the rear of the automobile steering column.

2. The fixture for machining an automobile steering column according to claim 1, characterized in that: The end clamping assembly (2) is fixed on the side wall of the pressing block (13), and the end clamping assembly (2) comprises an upper clamping block (21), an upper clamping buckle (22), a positioning block (23) and a side clamping buckle (24). The upper clamping block (21) is arranged at the upper end of the positioning block (23), and two side clamping buckles (24) are provided and symmetrically fixed on both sides of the positioning block (23). The upper clamping buckle (22) is arranged on the right side of the upper clamping block (21).

3. The fixture for machining an automobile steering column according to claim 2, characterized in that: The side positioning assembly (3) is arranged on the right side of the end clamping assembly (2), and the middle support frame (4) is arranged on the right side of the side positioning assembly (3).

4. The fixture for machining an automobile steering column according to claim 3, characterized in that: The side clamping assembly (5) comprises a side clamping buckle (51) and a side support limit block (52); A positioning column (8) is provided on the upper side of the side support limit block (52), and a limit column (81) and a support column (82) are also provided on the base (1).

5. The fixture for machining an automobile steering column according to claim 4, characterized in that: An electric lifting and retracting cylinder (12) is provided on the right side of the base (1), and the output end of the electric lifting and retracting cylinder (12) is fixedly connected to the right side wall of the base (1). A slider (11) is provided at the bottom of the base (1), and two sliders (11) are arranged in parallel at the bottom of the base (1) and fixedly connected thereto.

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