A deep hole drilling tool for welding joints

By designing a deep hole drilling fixture for welding joints, the welded joints are lifted by using the chuck to clamp the tapered head optical axis and the adjustable V-shaped bracket to lift the welded joints, the problem of low processing accuracy of deep hole drilling is solved and high-precision deep hole drilling is achieved.

CN222710890UActive Publication Date: 2025-04-04HULUDAO LITIAN HEAVY IND MACHINERY
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Patent Information

Application Number
CN202421484664.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-04
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

In the prior art, the deep hole drilling processing accuracy is low, and the diameter accuracy, roundness, columnarity and surface quality of the workpiece processing hole cannot be guaranteed.

Method used

A welded joint deep hole drilling fixture is designed, which clamps the tapered head optical axis through the chuck, lifts the welded joint with an adjustable V-shaped bracket, and drills with the rear support seat to improve the processing accuracy of deep hole drilling.

Benefits of technology

It effectively improves the accuracy of deep hole drilling for welding joints, ensuring the diameter accuracy, roundness, columnarity and surface quality of the processing holes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model proposes a deep hole drilling jig for welding joints in the field of deep hole drilling processing. It includes a workbench, a chuck frame, a chuck, a support, a rear support seat, a cone head optical axis and an adjustable V-shaped bracket; a clamping tool for clamping and positioning the chuck; the chuck frame is located on the workbench, used to install the chuck and position it; the cone head optical axis is assembled on the chuck and fixed in a cantilever manner, passing through the chuck and extending to both sides, used to support and clamp the welding joint; the support is assembled on one end of the chuck frame on the workbench, used to connect and fix the cone head optical axis, so that the cone head optical axis is clamped and positioned to form two supporting points; the adjustable V-shaped bracket is assembled on the other end of the chuck frame on the workbench, used to lift the welding joint and fix it; the rear support seat is arranged on the outside of the adjustable V-shaped bracket, used to limit the welding joint, and the cone head optical axis cooperates with the rear support seat to clamp and position and perform deep hole drilling processing through a gun drill. It is suitable for use as a deep hole drilling jig for welding joints.
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Description

Technical Field

[0001] The utility model relates to deep hole drilling processing in the mechanical field, in particular to a deep hole drilling jig for welding joints. Background Art

[0002] Deep hole drilling is a high-precision processing method, mainly used for processing deep holes. Deep hole drilling technology includes a variety of methods, usually using gun drilling. The main feature of deep hole drilling is that it can process holes with a large aspect ratio, which usually refers to holes with an aspect ratio greater than 5. In practical applications, deep hole drilling can achieve an accuracy of IT8 to IT10 and a surface roughness of 0.5 to 1.25um.

[0003] However, the inventors of this application found that the above technology has at least the following technical problems in the process of implementing the technical solution of the invention in the embodiment of this application:

[0004] In specific applications, deep hole drilling in the past was done by forming a closed area through the front and rear inner cone seats for drilling, and the drilling was achieved by clamping the chuck in the rear support seat, which could not guarantee the diameter accuracy, roundness, cylindricality and surface quality of the workpiece processing hole. Summary of the invention

[0005] In order to solve the shortcomings of the prior art and address the problem of low processing precision of deep hole drilling for welded joints, the utility model provides a deep hole drilling jig for welded joints. The deep hole drilling jig clamps the cone head optical axis with a chuck, lifts the welded joint with an adjustable V-shaped bracket, and then cooperates with the rear support seat for drilling, thereby improving the processing precision of the deep hole drilling and solving the technical problem of low processing precision of deep hole drilling for welded joints.

[0006] The solution adopted by the utility model to solve the technical problem is:

[0007] A deep hole drilling jig for welding joints comprises a workbench, a chuck frame, a chuck, a support, a rear support seat, a cone head optical axis and an adjustable V-shaped bracket; the workbench is used to place the jig horizontally; the chuck utilizes the radial movement of movable claws evenly distributed on the chuck body to perform clamping and positioning of the clamping tooling; the chuck frame is located on the workbench, used to install the chuck and position it; the cone head optical axis is assembled on the chuck and fixed in a cantilever manner, passes through the chuck and extends to both sides, used to support and clamp the welding joint; the support is assembled on one end of the chuck frame on the workbench, used to connect and fix the cone head optical axis, so that the cone head optical axis is clamped and positioned to form two supporting points; the adjustable V-shaped bracket is assembled on the other end of the chuck frame on the workbench, used to lift the welding joint and fix it; the rear support seat is arranged on the outside of the adjustable V-shaped bracket, used to limit the welding joint, the cone head optical axis cooperates with the rear support seat to clamp and position, and deep hole drilling is performed through a gun drill.

[0008] In order to further solve the technical problem to be solved by the utility model, in the cone head optical axis provided in this embodiment, a cone head is provided at one end of the cone head optical axis, and the cone head is inserted into the inner hole of the welding joint and supports and locks it; a thread is provided at the other end of the cone head optical axis for connecting and fixing with the support.

[0009] Furthermore, the support includes a seat plate and a nut. The seat plate is a rectangular plate structure. The lower part is assembled on the workbench and the upper part is connected with a nut. The nut is screwed to the thread of the cone head optical axis to lock the cone head optical axis on the support. The cone head optical axis is cantilever-supported by the chuck to form a two-point stable support.

[0010] Furthermore, the adjustable V-shaped bracket includes a bracket base, a V-shaped block, a guide column and a threaded shaft; the bracket base is a rectangular plate, which is installed on a workbench and is used to position the adjustable V-shaped bracket; the V-shaped block is a rectangular block, and a V-shaped groove is provided on the upper part for supporting the welding joint; one end of the threaded shaft is connected to the workbench, and the other end is interconnected with the lower center of the V-shaped block, which is used to adjust the height of the V-shaped block; the guide column is arranged on both sides of the threaded shaft, one end of which is connected to the workbench, and the other end is connected to the lower part of the V-shaped block; when the threaded shaft rotates, the V-shaped block slides along the guide column, and the height of the V-shaped block is adjusted so that the center of the welding joint is collinear with the center of the cone head optical axis.

[0011] Specifically, the chuck is a three-jaw chuck.

[0012] Positive effects: The technical solution provided in the embodiments of the present application has at least the following technical effects or advantages:

[0013] 1. Since the embodiment of the present application adopts the cone head optical axis technology, the cone head optical axis is inserted into the inner hole of the welding joint and is clamped and positioned together with the support seat; it effectively solves the technical problem of low deep hole drilling processing accuracy in the prior art, thereby achieving the technical effect of improving the deep hole drilling processing accuracy of the welding joint.

[0014] 2. Since the embodiment of the present application adopts the technical means that the cone head optical axis extends out of the chuck and is connected and fixed to the support, the cone head optical axis is cantilevered by the chuck to form a two-point stable support; it effectively solves the technical problem of low deep hole drilling processing accuracy in the prior art, and thus achieves the technical effect of improving the stability of the cone head optical axis.

[0015] 3. Since the embodiment of the present application adopts a V-shaped block with a threaded shaft at the bottom and guide pillars on both sides of the threaded shaft, when the threaded shaft rotates, the V-shaped block slides along the guide pillars, and the height of the V-shaped block is adjusted to ensure that the center of the welding joint is in line with the center of the cone head optical axis; the technical problem of low deep hole drilling processing accuracy in the prior art is effectively solved, thereby achieving the technical effect of improving the deep hole drilling processing accuracy of the welding joint.

[0016] The invention is suitable for use as a deep hole drilling jig for welding joints. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 This is a three-dimensional structural diagram of this embodiment;

[0019] Figure 2 This is the front view of the present embodiment;

[0020] Figure 3 It is a top view of this embodiment;

[0021] Figure 4 It is a left view of this embodiment;

[0022] Figure 5 It is the right view of this embodiment.

[0023] In the figure:

[0024] 1. Workbench,

[0025] 2. Chuck rack,

[0026] 3. Chuck,

[0027] 4. Support, 41. Seat plate, 42. Nut,

[0028] 5. Rear support seat,

[0029] 6. Gun drill,

[0030] 7. Cone head optical axis,

[0031] 8. Adjustable V-shaped bracket,

[0032] 81. Bracket base, 82. V-shaped block, 83. Guide column, 84. Threaded shaft,

[0033] 9. Welded joints. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of the utility model.

[0035] The embodiment of the present application solves the problem of low deep hole drilling processing accuracy that is easily occurred in the application of the prior art by providing a deep hole drilling jig for welding joints. In the deep hole drilling process, a cone head optical axis 7 is used and fixed with a chuck 3 and a support 4 at the same time, and a two-point support is formed by a cantilever support. The cone head optical axis 7 and the rear support seat 5 are jointly clamped to position the welding joint 9, thereby improving the accuracy of deep hole drilling.

[0036] As shown in the figure, a deep hole drilling jig for welding joints includes a workbench 1, a chuck frame 2, a chuck 3, a support 4, a rear support seat 5, a cone head optical axis 7 and an adjustable V-shaped bracket 8;

[0037] The workbench 1 is used to place the jig flatly;

[0038] The chuck 3 is a clamping tool for clamping and positioning by radial movement of movable jaws evenly distributed on the chuck body; in this embodiment, the chuck 3 can be a manual chuck or a power chuck, preferably a three-jaw chuck;

[0039] The chuck frame 2 is located on the workbench 1 and is used to install the chuck 3 and position it;

[0040] The cone head optical axis 7 is assembled on the chuck 3 and fixed in a cantilever manner, passes through the chuck 3 and extends to both sides, and is used to support and clamp the welding joint 9;

[0041] The support 4 is assembled on one end of the chuck frame 2 on the workbench 1, and is used to connect and fix the cone head optical axis 7, so that the cone head optical axis 7 is clamped and positioned to form two supporting points;

[0042] The adjustable V-shaped bracket 8 is assembled on the other end of the chuck frame 2 on the workbench 1, and is used to lift the welding joint 9 and fix it;

[0043] The rear support seat 5 is arranged outside the adjustable V-shaped bracket 8 and is used to limit the welding joint 9. The cone head optical axis 7 cooperates with the rear support seat 5 to clamp and position and perform deep hole drilling through the gun drill 6.

[0044] In order to ensure the stability of the structure of this embodiment, a cone head is provided at one end of the cone head optical axis 7, and the cone head is inserted into the inner hole of the welding joint 9 to support and lock it; a thread is provided at the other end of the cone head optical axis 7 for connecting and fixing with the support 4.

[0045] In order to further ensure the stability of the structure of this embodiment, the support 4 includes a seat plate 41 and a nut 42. The seat plate 41 is a rectangular plate structure. The lower part is assembled on the workbench 1, and the upper part is connected with a nut 42. The nut 42 is screwed with the thread of the cone head optical axis 7 to lock the cone head optical axis 7 on the support 4. The cone head optical axis 7 is cantilevered by the chuck 3 to form a two-point stable support, thereby enhancing the stability of the cone head optical axis 7.

[0046] In order to optimize the structure of this embodiment, the adjustable V-shaped bracket 8 includes a bracket base 81, a V-shaped block 82, a guide column 83 and a threaded shaft 84;

[0047] The bracket base 81 is a rectangular plate, mounted on the workbench 1, and used for positioning the adjustable V-shaped bracket 8;

[0048] The V-shaped block 82 is a rectangular block with a V-shaped groove on the upper portion for supporting the welding joint 9;

[0049] One end of the threaded shaft 84 is connected to the workbench 1, and the other end is connected to the lower center of the V-shaped block 82, and is used to adjust the height of the V-shaped block 82 so that the center of the welding joint 9 is collinear with the center of the cone head optical axis 7;

[0050] The guide column 83 is arranged on both sides of the threaded shaft 84, one end of which is connected to the workbench 1, and the other end is connected to the lower part of the V-shaped block 82; when the threaded shaft 84 rotates, the V-shaped block 82 slides along the guide column 83, so that the height of the V-shaped block 82 can be adjusted to ensure that the center of the welding joint 9 is in line with the center of the cone head optical axis 7, thereby improving the accuracy of deep hole drilling of the welding joint 9.

[0051] In this embodiment, the welding joint 9 is located on the V-shaped block 82 of the adjustable V-shaped bracket 8, and a clamp can be applied to clamp the welding joint 9 on the V-shaped block 82 to lock and fix the welding joint 9.

[0052] Preferably, when there is no inner hole before the welding joint 9 is processed, a section of the inner hole is processed first, and then the cone head optical axis 7 and the support seat 5 are clamped and positioned together to perform deep hole drilling.

[0053] The technical solutions in the above embodiments of the present application have at least the following technical effects or advantages:

[0054] Since the cone head optical axis 7 is clamped in the chuck 3, the cone head optical axis 7 is inserted into the inner hole of the welding joint 9 and is clamped and positioned together with the support seat 5, thereby expanding the scope of use and being convenient and practical.

[0055] Since the cone head optical axis 7 extends out of the chuck 3 and is connected and fixed to the support 4, the cone head optical axis 7 is cantilever-supported by the chuck 3 to form a two-point stable support, and the stability of the cone head optical axis 7 is enhanced.

[0056] Since a threaded shaft 84 is provided at the bottom of the V-shaped block 82 and guide columns 83 are provided on both sides of the threaded shaft 84, when the threaded shaft 84 rotates, the V-shaped block 82 slides along the guide columns 83, and the height of the V-shaped block 82 can be adjusted, thereby ensuring that the center of the welding joint 9 is in line with the center of the cone head optical axis 7, thereby improving the accuracy of deep hole drilling of the welding joint 9.

[0057] It is worth noting that the contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of the chuck 3 and the gun drill 6 are not specifically limited, and conventional technical selection can be used. In the present technical solution, the rear support seat 5 mentioned belongs to the prior art, so it is not shown in the figure and will not be described here.

[0058] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A deep hole drilling jig for welding joints, characterized by: include: A workbench (1), wherein the workbench (1) is used to place the jig horizontally; A chuck (3), the chuck (3) being a clamping tool for clamping and positioning by radial movement of movable jaws evenly distributed on a chuck body; A chuck frame (2), the chuck frame (2) being located on the workbench (1) and being used for mounting the chuck (3) and positioning it; A cone head optical axis (7), the cone head optical axis (7) being mounted on the chuck (3) and fixed in a cantilever manner, penetrating the chuck (3) and extending to both sides, and being used for supporting and clamping the welding joint (9); A support (4), the support (4) being mounted on one end of the chuck frame (2) on the workbench (1) and being used to connect and fix the cone head optical axis (7) so that the cone head optical axis (7) is clamped and positioned to form two supporting points; An adjustable V-shaped bracket (8), the adjustable V-shaped bracket (8) being mounted on the workbench (1) at the other end of the chuck frame (2) and used for supporting and fixing the welding joint (9); and A rear support seat (5) is arranged outside the adjustable V-shaped bracket (8) and is used to limit the welding joint (9); the cone head optical axis (7) cooperates with the rear support seat (5) to be clamped and positioned and deep hole drilling is performed through a gun drill (6).

2. A deep hole drilling jig for welding joints according to claim 1, characterized in that: A cone head is provided at one end of the cone head optical axis (7), and the cone head is inserted into the inner hole of the welding joint (9) to support and lock it; a thread is provided at the other end of the cone head optical axis (7) for connecting and fixing with the support (4).

3. The deep hole drilling tool for welding joints according to claim 1 is characterized by: The support (4) comprises a seat plate (41) and a nut (42); The seat plate (41) is a rectangular plate structure, the lower part of which is assembled on the workbench (1), and the upper part of which is connected to the nut (42). The nut (42) is screwed to the thread of the cone head optical axis (7) to lock and fix the cone head optical axis (7) on the support (4). The cone head optical axis (7) is cantilever-supported by the chuck (3) to form a two-point stable support.

4. The deep hole drilling jig for welding joints according to claim 1 is characterized by: The adjustable V-shaped bracket (8) comprises: A support base (81), the support base (81) being a rectangular plate, mounted on the workbench (1) and used for positioning the adjustable V-shaped support (8); A V-shaped block (82), the V-shaped block (82) being a rectangular block with a V-shaped groove on the upper portion for supporting the welding joint (9); a threaded shaft (84), one end of which is connected to the workbench (1), and the other end of which is connected to the lower center of the V-shaped block (82) for adjusting the height of the V-shaped block (82); and A guide column (83) is arranged on both sides of the threaded shaft (84), one end of which is connected to the workbench (1) and the other end is connected to the lower part of the V-shaped block (82); when the threaded shaft (84) rotates, the V-shaped block (82) slides along the guide column (83), and the height of the V-shaped block (82) is adjusted so that the center of the welding joint (9) is collinear with the center of the cone head optical axis (7).

5. The deep hole drilling jig for welding joints according to claim 1 is characterized by: The chuck (3) is a three-jaw chuck.