Shaft drilling device
By using components such as V-shaped blocks, spline positioning sleeves and bushings in shaft drilling devices, axial positioning and continuous drilling of the workpiece are achieved, solving the problem of frequent loading and unloading adjustments in mechanical processing and improving production Efficiency and prevent workpiece offset.
Patent Information
- Application Number
- CN202421115698.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-21
AI Technical Summary
During the machining process, the end surface drilling of shaft parts requires frequent loading and unloading adjustment, resulting in low production efficiency and inability to achieve continuous work.
A shaft-type drilling device is designed to realize the axial positioning and continuous drilling of the workpiece through the combination of V-shaped blocks, spline positioning sleeves, bushings and positioning pins, avoiding repeated disassembly and position adjustments.
It improves drilling efficiency, prevents workpieces from being offset during drilling, achieves convenient and fast loading and unloading, and solves the problem of frequent loading and unloading adjustments.
Smart Images

Figure CN222243720U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drilling devices, in particular to a shaft drilling device. Background Art
[0002] With the development of time, people need to use drilling devices to drill holes in mechanical parts during the process of mechanical production and processing to facilitate subsequent production work.
[0003] In the actual machining process, it is often necessary to drill holes on the end face of the workpiece. At present, when drilling holes on the end face of shaft parts, there are only two methods: machining center or ordinary drilling machine. However, no matter which method is used, it is necessary to frequently load and unload materials to adjust the position of the workpiece for drilling, and continuous drilling cannot be achieved, resulting in low production efficiency. In view of this, we propose a shaft drilling device. Utility Model Content
[0004] The utility model aims to provide a shaft drilling device, which solves the problem of frequent loading and unloading of materials and adjustment of the position of workpieces for drilling.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shaft drilling device, including a base, the top of the base is threadedly connected with V-block 1, V-block 2, and V-block 3 respectively through screw 1, the top of the base is connected with a drilling template support, a drilling template is arranged above the drilling template support, the drilling template support and the drilling template are positioned and connected by screw 2 and conical pin 2, drill sleeve 1, drill sleeve 2, and bushing are respectively installed in the corresponding holes of the drilling template, the drilling template is connected with a positioning pin, and the top of the base is fixedly connected with a pressure plate support.
[0006] Preferably, a workpiece is connected to the first V-shaped block, an external spline positioning sleeve is provided on the second V-shaped block, a tooth groove is provided on the external spline positioning sleeve, three through holes are provided in the tooth groove of the external spline positioning sleeve, the three through holes are symmetrically distributed, an internal spline is designed on the spline positioning sleeve, and three positioning grooves are provided on the tooth portion of the spline positioning sleeve.
[0007] Preferably, the inner wall of the base is threadedly connected with a stud, and a nut is threadedly connected to the stud. The stud is threadedly connected in the screw hole of the base and fastened by the nut. The threaded installation method facilitates the disassembly of the flat washer and the pressure plate.
[0008] Preferably, a pressure plate is provided on the base, and the pressure plate is installed on the stud, and the stud is connected with a flat washer via a nut. The pressure plate and the nut are used to clamp the workpiece.
[0009] Preferably, the inner spline is matched with the outer spline locating sleeve on the workpiece, and the workpiece is respectively connected with V-block two and V-block three, and the workpiece can be positioned by inserting the locating pin into the spline locating sleeve.
[0010] Preferably, the drilling template support is connected to the top of the base through three screw threads, and the threaded installation method facilitates the installation and disassembly of the drilling template support.
[0011] Preferably, the bushing and the second drill sleeve are designed on the same axis, and during the process of rotating the workpiece, the second drill sleeve is aligned with the tooth groove of the workpiece, so that the workpiece is in a horizontal state.
[0012] By means of the above technical solution, the utility model provides a shaft drilling device, which has at least the following beneficial effects:
[0013] (i) The utility model has a spline locating sleeve that limits the workpiece, has a V-shaped block 1, a V-shaped block 2, and a V-shaped block 3 that axially locate the workpiece, and has a locating pin that is inserted into the locating groove of the spline locating sleeve to locate the axial position of the workpiece, thereby preventing the workpiece from being offset during the drilling process.
[0014] (ii) The utility model provides a locating pin inserted into the bushing to achieve a common steering effect on the spline locating sleeve. The locating pin can be inserted into another locating groove of the spline locating sleeve to locate the workpiece and then another hole can be drilled. The drilling process can be performed in the same manner, which can improve the drilling efficiency, achieve convenient and quick loading and unloading, and solve the problem of repeated disassembly of the workpiece for drilling. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is the front view of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the second conical pin and the positioning pin in the utility model;
[0019] Figure 4 It is a structural schematic diagram of a conical pin 1 in the utility model.
[0020] In the figure: 1. base; 2. V-shaped block 1; 3. stud; 4. nut; 5. pressure plate; 6. flat washer; 7. drilling template; 8. drill sleeve 1; 9. drill sleeve 2; 10. bushing; 11. locating pin; 12. spline locating sleeve; 13. V-shaped block 2; 14. conical pin 1; 15. screw 1; 16. drilling template support; 17. conical pin 2; 18. screw 2; 19. screw 3; 20. pressure plate support; 21. V-shaped block 3; 22. workpiece. DETAILED DESCRIPTION
[0021] 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. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0023] Example 1
[0024] See also Figure 1-Figure 3A shaft drilling device includes a base 1, the top of the base 1 is threadedly connected with a V-shaped block 1 2, a V-shaped block 2 13, and a V-shaped block 3 21 through a screw 15, a drilling template support 16 is connected to the top of the base 1 through a screw 3 19, and the installation method of the threaded connection is convenient for installing and disassembling the drilling template support 16, a drilling template 7 is arranged above the drilling template support 16, the drilling template support 16 and the drilling template 7 are positioned and connected by a screw 2 18 and a conical pin 2 17, and a drill sleeve 1 8, a drill sleeve 2 9, and a bushing 10 are respectively installed in the corresponding holes of the drilling template 7, and the bushing 10 and the drill sleeve 2 9 are designed on the same axis. During the process of rotating the workpiece 22, the drill sleeve 9 is aligned with the tooth groove of the workpiece 22, so that the workpiece 22 is in a horizontal state. A positioning pin 11 is connected to the drill template 7, and a pressure plate pillar 20 is fixedly connected to the top of the base 1. The inner wall of the base 1 is threaded with a stud 3, and a nut 4 is threaded on the stud 3. The stud 3 is threaded in the screw hole of the base 1 and fastened by the nut 4. The threaded installation method facilitates the disassembly of the flat washer 6 and the pressure plate 5. A pressure plate 5 is provided on the base 1, and the pressure plate 5 is installed on the stud 3. The stud 3 is connected to the flat washer 6 through the nut 4. The set pressure plate 5 and nut 4 are used to clamp the workpiece 22.
[0025] Furthermore, the spline locating sleeve 12 is provided to limit the workpiece 22, the V-block 1 2, the V-block 2 13, and the V-block 3 21 are provided to axially locate the workpiece 22, and the locating pin 11 is inserted into the locating groove of the spline locating sleeve 12 to locate the axial position of the workpiece 22, thereby preventing the workpiece 22 from being offset during the drilling process.
[0026] Example 2
[0027] See also Figure 2-Figure 4 A workpiece 22 is connected to the V-shaped block 1 2, an external spline locating sleeve 12 is provided on the V-shaped block 2 13, a conical pin 14 is connected to the external spline locating sleeve 12, a tooth groove is provided on the external spline locating sleeve 12, three through holes are provided in the tooth groove of the external spline locating sleeve 12, and the three through holes are symmetrically distributed. An internal spline is designed on the spline locating sleeve 12, and three locating grooves are provided on the tooth portion of the spline locating sleeve 12. The internal spline is matched with the external spline locating sleeve 12 on the workpiece 22, and the workpiece 22 is respectively connected to the V-shaped block 2 13 and the V-shaped block 3 21, and the workpiece 22 can be positioned by inserting the locating pin 11 into the spline locating sleeve 12 so that the other locating groove can be used to position the workpiece 22.
[0028] Furthermore, by inserting the locating pin 11 into the provided bushing 10, the spline locating sleeve 12 can be used for common steering. Only by rotating the workpiece 22, the locating pin 11 can be inserted into another locating groove of the spline locating sleeve 12 to locate the workpiece 22 and then another hole can be drilled. The drilling process can be performed in the same manner, which can improve the drilling efficiency, achieve convenient and quick loading and unloading, and solve the problem of repeated disassembly of the workpiece 22 for drilling.
[0029] Working principle: Put the spline locating sleeve 12 on the workpiece 22 and install it on the V-block 1 2, V-block 2 13, and V-block 3 21, and use the V-block 3 21 to axially position it; insert the locating pin 11 into the bushing 10 to rotate the workpiece 22 while the spline locating sleeve 12 rotates accordingly, and insert the locating pin 11 into a locating groove of the spline locating sleeve 12 to position the workpiece 22; at this time, the drill sleeve 2 9 is just aligned with the tooth groove of the workpiece 22, and the workpiece 22 can be drilled after clamping it with the pressure plate 5 and the nut 4; after drilling one hole, rotate the workpiece 22, insert the locating pin 11 into another locating groove of the spline locating sleeve 12 to position the workpiece 22, and then drill another hole, and the third hole is processed in the same way.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A shaft drilling device, comprising a base (1), characterized in that: The top of the base (1) is threadedly connected with V-shaped block one (2), V-shaped block two (13), and V-shaped block three (21) through screw one (15), and the top of the base (1) is connected with a drilling template support (16). A drilling template (7) is arranged above the drilling template support (16). The drilling template support (16) and the drilling template (7) are positioned and connected through screw two (18) and conical pin two (17). Drill sleeve one (8), drill sleeve two (9), and bushing (10) are respectively installed in corresponding holes of the drilling template (7). A positioning pin (11) is connected to the drilling template (7). The top of the base (1) is fixedly connected with a pressure plate support (20).
2. A shaft drilling device according to claim 1, characterized in that: The V-shaped block 1 (2) is connected to a workpiece (22), the V-shaped block 2 (13) is provided with an external spline positioning sleeve (12), the external spline positioning sleeve (12) is connected to a conical pin 1 (14), the external spline positioning sleeve (12) is provided with a tooth groove, three through holes are provided in the tooth groove of the external spline positioning sleeve (12), the three through holes are symmetrically distributed, the spline positioning sleeve (12) is designed with an internal spline, and the tooth portion of the spline positioning sleeve (12) is provided with three positioning grooves.
3. The shaft drilling device according to claim 1, characterized in that: The inner wall of the base (1) is threadedly connected with a stud bolt (3), a nut (4) is threadedly connected to the stud bolt (3), and the stud bolt (3) is threadedly connected in a screw hole of the base (1) and is fastened by the nut (4).
4. A shaft drilling device according to claim 3, characterized in that: A pressure plate (5) is provided on the base (1), and the pressure plate (5) is mounted on a stud bolt (3), and the stud bolt (3) is connected to a flat washer (6) via a nut (4).
5. The shaft drilling device according to claim 2, characterized in that: The internal spline is matched with the external spline positioning sleeve (12) on the workpiece (22), and the workpiece (22) is connected to the second V-shaped block (13) and the third V-shaped block (21) respectively.
6. The shaft drilling device according to claim 1, characterized in that: The drilling template support (16) is threadedly connected to the top of the base (1) via screw three (19).
7. The shaft drilling device according to claim 1, characterized in that: The bushing (10) and the second drill sleeve (9) are designed on the same axis.