High-precision drilling auxiliary tool for mechanical parts
By designing auxiliary plates and positioning mechanisms to adapt to the truncated cone surface, the positioning and drilling problems of traditional drilling fixtures on the truncated cone surface are solved, achieving high-precision and high-efficiency drilling results.
Patent Information
- Application Number
- CN202511257703.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-04
- Publication Date
- 2026-01-02
AI Technical Summary
Traditional drilling fixtures are difficult to adapt to the shape of a truncated cone, resulting in drilling position deviation, rough hole walls, and low efficiency.
A high-precision drilling auxiliary tooling was designed, comprising an auxiliary plate, a movable seat, a positioning mechanism, and a moving mechanism. It adapts to the truncated cone surface by sliding and deflecting, and uses guide holes for precise drilling.
It improves the precision and efficiency of drilling on the truncated cone surface, resulting in smooth hole walls and accurate positioning.
Smart Images

Figure CN121245047A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of drilling equipment, in particular to a high-precision drilling auxiliary tool for mechanical parts. BACKGROUND
[0002] In the field of mechanical processing, a high-precision drilling auxiliary tool is an important tool for ensuring drilling precision and efficiency. However, in the prior art, there are still significant technical defects in the drilling operation of a circular truncated cone arc surface workpiece. Since the circular truncated cone arc surface has the characteristics of large curvature and complex surface shape, the traditional drilling tool is difficult to effectively adapt to the arc surface shape in the positioning, clamping and drilling process, resulting in problems such as drilling position deviation, rough hole wall and low drilling efficiency. Therefore, a high-precision drilling auxiliary tool for mechanical parts is provided. SUMMARY
[0003] In order to solve the problem that the traditional drilling tool is difficult to effectively adapt to the arc surface shape in the positioning, clamping and drilling process, resulting in problems such as drilling position deviation, rough hole wall and low drilling efficiency, the application provides a high-precision drilling auxiliary tool for mechanical parts.
[0004] The high-precision drilling auxiliary tool for mechanical parts provided by the application adopts the following technical scheme:
[0005] A high-precision drilling auxiliary tool for mechanical parts comprises an auxiliary plate, the auxiliary plate is a rectangular frame plate, a plurality of groups of moving seats are slidably connected to the surface of the auxiliary plate, a guide hole is formed in the center of each moving seat, an adjusting bolt is inserted into the surface of the moving seat, one end of the adjusting bolt abuts against the surface of the auxiliary plate, a sliding seat is connected to the upper end of the auxiliary plate through a moving mechanism, a positioning mechanism is arranged at one end of the sliding seat, the positioning mechanism can be mounted on the upper end surface of the circular truncated cone and make the sliding seat located in the radial direction of the upper end surface of the circular truncated cone, and the moving mechanism can drive the auxiliary plate to move to the arc surface side of the circular truncated cone and adaptively deflect.
[0006] Preferably, the positioning mechanism comprises a fixed frame, the lower surface of the fixed frame has at least three vertical parts, the vertical parts of the fixed frame are arranged in a ring array around the fixed frame, and a positioning rod capable of moving horizontally is inserted into each vertical part of the fixed frame.
[0007] Preferably, one end of the positioning rod away from the vertical part of the fixed frame is fixedly connected with a connecting plate, a first spring is sleeved on the outer surface of the positioning rod, one end of the first spring is fixedly connected with the connecting plate, the other end of the first spring is fixedly connected with the vertical part of the fixed frame, a vertical rod is fixedly connected with the center of the upper surface of the fixed frame, a sliding sleeve is sleeved on the outer surface of the vertical rod, a pull rope is fixedly connected between the connecting plate and the sliding sleeve, a plurality of guide sleeves are fixedly connected with the upper surface of the fixed frame, the guide sleeves correspond to the pull ropes one by one, and the pull ropes pass through the corresponding guide sleeves, a fixing bolt is inserted into the sliding sleeve, and one end of the fixing bolt abuts against the outer surface of the vertical rod.
[0008] Preferably, when the first spring is not subjected to external force, one end of the positioning rod is flush with the vertical part of the fixed frame.
[0009] Preferably, the moving mechanism comprises a sliding block, the sliding block is arranged in a 'j' shape, the sliding seat is hollow, sliding grooves are formed in the two sides of the sliding seat, the two ends of the sliding block are slidably installed in the two sliding grooves respectively, a rotating shaft is fixedly connected with the upper end of the auxiliary plate, the rotating shaft is rotatably installed in the sliding block, one end of the rotating shaft penetrates to the outside of the sliding block and is fixedly connected with a side plate, a torsional spring is sleeved on the outer surface of the rotating shaft, and the two ends of the torsional spring are fixedly connected with the side plate and the sliding block respectively, and a power mechanism is arranged in the sliding groove.
[0010] Preferably, a reinforcing bolt is inserted into the sliding block, and one end of the reinforcing bolt abuts against the outer surface of the rotating shaft.
[0011] Preferably, the power mechanism comprises a guide rod fixedly installed in one of the sliding grooves, the guide rod slidably penetrates the sliding block, a second spring is sleeved on the outer surface of the guide rod, one end of the second spring is fixedly connected with the guide rod, the other end of the second spring is fixedly connected with the inner surface of the sliding groove, an extension plate is fixedly connected with one side of the top of the sliding block, a positioning bolt is inserted into the extension plate, and the positioning bolt abuts against the upper surface of the sliding seat.
[0012] Preferably, when the sliding block is located on the side, away from the fixed frame, of the sliding seat, the second spring is in a stretched state.
[0013] In summary, the present application has the following beneficial technical effects:
[0014] In the present application, when linear punching is needed on the arc surface of the circular table, the positioning mechanism is installed on the upper end surface of the circular table, the moving mechanism is used to drive the auxiliary plate and the moving seat to move to one side of the circular table, the auxiliary plate is driven to rotate, the auxiliary plate is parallel to the generatrix of the circular table, the drill bit of the drilling machine is inserted through the guide hole to punch, the guide hole can guide the punching, and the punching is more accurate. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structural schematic diagram of the whole application embodiment;
[0016] Figure 2 is a structural schematic diagram of the local application embodiment;
[0017] Figure 3 is a structural schematic diagram of the positioning mechanism of the application embodiment;
[0018] Figure 4 is a partial structural schematic diagram of the moving structure of the application embodiment.
[0019] Explanation of reference numerals: 1, fixed frame; 2, connecting plate; 3, positioning rod; 4, first spring; 5, pull rope; 6, guide sleeve; 7, vertical rod; 8, sliding sleeve; 9, fixing bolt; 10, sliding seat; 11, sliding groove; 12, sliding block; 13, guide rod; 14, second spring; 15, positioning bolt; 16, extension plate; 17, auxiliary plate; 18, moving seat; 19, adjusting bolt; 20, guide hole; 21, rotating shaft; 22, side plate; 23, torsional spring; 24, reinforcing bolt. DETAILED DESCRIPTION
[0020] The following will be described in detail in combination with the accompanying Figures 1-4 The application is further described in detail.
[0021] The application embodiment discloses a high-precision drilling auxiliary tool for mechanical parts, which comprises an auxiliary plate 17, the auxiliary plate 17 is a rectangular frame plate, a plurality of moving seats 18 are slidably connected to the surface of the auxiliary plate 17, a guide hole 20 is formed in the center of each moving seat 18, an adjusting bolt 19 is inserted into the surface of the moving seat 18, one end of the adjusting bolt 19 abuts against the surface of the auxiliary plate 17, a sliding seat 10 is connected to the upper end of the auxiliary plate 17 through a moving mechanism, one end of the sliding seat 10 is provided with a positioning mechanism, the positioning mechanism can be installed on the upper end face of a circular table, and the sliding seat 10 is located in the radial direction of the upper end face of the circular table, and the moving mechanism can drive the auxiliary plate 17 to move to the side of the curved surface of the circular table and to adaptively deflect.
[0022] In the embodiment, the surface of the auxiliary plate 17 can be provided with corresponding scale lines, the distance between adjacent moving seats 18 can be displayed, and the hole distance can be controlled; in actual use, the adjusting bolt 19 is loosened, the moving seat 18 is slid, and the distance between adjacent moving seats 18 is adjusted to meet different processing requirements.
[0023] In this embodiment, when linear drilling is required on the arc surface of the frustum, the positioning mechanism is installed on the upper end surface of the frustum. The moving mechanism is used to drive the auxiliary plate 17 and the moving seat 18 to move towards one side of the frustum, and the auxiliary plate 17 is rotated to make the auxiliary plate 17 parallel to the generatrix of the frustum. The worker passes the drill bit of the drill through the guiding hole 20 for drilling. The guiding hole 20 can guide the drilling, making the drilling more accurate.
[0024] Further, the positioning mechanism includes a fixing frame 1. The lower surface of the fixing frame 1 has at least three vertical parts. The vertical parts of the fixing frame 1 are distributed in a circular array centered on the fixing frame 1. Positioning rods 3 that can move horizontally are inserted on the vertical parts of the fixing frame 1.
[0025] Further, connecting plates 2 are fixedly connected to one ends of the positioning rods 3 far away from the vertical parts of the fixing frame 1. A first spring 4 is sleeved on the outer surface of the positioning rod 3. One end of the first spring 4 is fixedly connected to the connecting plate 2, and the other end of the first spring 4 is fixedly connected to the vertical part of the fixing frame 1. A vertical rod 7 is fixedly connected to the center of the upper surface of the fixing frame 1. A sliding sleeve 8 is sleeved on the outer surface of the vertical rod 7. A pulling rope 5 is fixedly connected between the connecting plate 2 and the sliding sleeve 8. Multiple guiding sleeves 6 are fixedly connected to the upper surface of the fixing frame 1. The guiding sleeves 6 correspond to the pulling ropes 5 one by one, and the pulling rope 5 passes through the corresponding guiding sleeve 6. A fixing bolt 9 is inserted on the sliding sleeve 8, and one end of the fixing bolt 9 abuts against the outer surface of the vertical rod 7.
[0026] Further, when the first spring 4 is not subjected to an external force, one end of the positioning rod 3 is flush with the vertical part of the fixing frame 1.
[0027] In this embodiment, the fixing frame 1 is placed on the upper end surface of the frustum. The fixing bolt 9 is loosened and the sliding sleeve 8 is moved upward, so that the pulling rope 5 can be pulled to drive the connecting plate 2 and the positioning rod 3 to move towards the outer surface side of the frustum. When one end of the positioning rod 3 abuts against the outer surface of the frustum, the fixing bolt 9 is tightened to fix the positioning rod 3.
[0028] Further, the moving mechanism includes a slider 12. The slider 12 is set in a "ji" shape. The inside of the sliding seat 10 is hollow. Chute 11s are opened on both sides of the sliding seat 10. The two ends of the slider 12 are respectively slidably installed inside the two chute 11s. The upper end of the auxiliary plate 17 is fixedly connected with a rotating shaft 21. The rotating shaft 21 is rotatably installed inside the slider 12. One end of the rotating shaft 21 penetrates to the outside of the slider 12 and is fixedly connected with a side plate 22. A torsion spring 23 is sleeved on the outer surface of the rotating shaft 21. The two ends of the torsion spring 23 are respectively fixedly connected with the side plate 22 and the slider 12. A power mechanism is arranged inside the chute 11. The power mechanism can drive the slider 12 to move towards the positioning mechanism side. [[ID=ST17]]
[0029] Further, a reinforcing bolt 24 is inserted on the slider 12, and one end of the reinforcing bolt 24 abuts against the outer surface of the rotating shaft 21.
[0030] Further, the power mechanism comprises a guide rod 13 fixedly installed in one of the sliding grooves 11, the guide rod 13 slidingly penetrates the sliding block 12, the outer surface of the guide rod 13 is sleeved with a second spring 14, one end of the second spring 14 is fixedly connected with the guide rod 13, the other end of the second spring 14 is fixedly connected with the inner surface of the sliding groove 11, the top side of the sliding block 12 is fixedly connected with an extension plate 16, the extension plate 16 is inserted with a positioning bolt 15, and the positioning bolt 15 abuts against the upper surface of the sliding seat 10.
[0031] Further, when the sliding block 12 is located at the side of the sliding seat 10 away from the fixed frame 1, the second spring 14 is in a stretched state.
[0032] In the embodiment, before drilling, the sliding block 12 is moved to the side of the sliding seat 10 away from the fixed frame 1, and the positioning bolt 15 is tightened to fix the sliding block 12, when the upper end surface of the circular table is positioned by the positioning mechanism, the positioning bolt 15 is loosened, the stretched second spring 14 is contracted, and the sliding block 12 and the auxiliary plate 17 are driven to move to the side of the circular table, since the auxiliary plate 17 is rotationally connected with the sliding block 12 through the rotating shaft 21, when the auxiliary plate 17 moves to the side of the circular table, adaptive deflection occurs according to the arc surface of the circular table, and then the positioning bolt 15 and the reinforcing bolt 24 are tightened to fix the positions of the sliding block 12 and the auxiliary plate 17.
[0033] Finally, it should be noted that, in the description of the present application, unless otherwise specified and limited, the terms “installation”, “connection”, “linkage” should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication between the internal elements, or direct connection, and “up”, “down”, “left”, “right” are only used to represent relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;
[0034] Secondly, in the drawings of the disclosed embodiments, only the structures related to the disclosed embodiments are involved, and other structures can be referred to the general design, and the same embodiments and different embodiments of the present application can be combined with each other under the condition of no conflict;
[0035] Finally, the above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
[0036] The above are the preferred embodiments of the present application, and are not used to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be included in the protection scope of the present application.
Claims
1. A high-precision drilling auxiliary tool for mechanical parts, comprising an auxiliary plate (17), characterized in that, The auxiliary plate (17) is a rectangular frame plate, a plurality of groups of moving seats (18) are slidably connected to the surface of the auxiliary plate (17), a guide hole (20) is formed in the center of the moving seat (18), an adjusting bolt (19) is inserted on the surface of the moving seat (18), one end of the adjusting bolt (19) abuts against the surface of the auxiliary plate (17), a sliding seat (10) is connected to the upper end of the auxiliary plate (17) through a setting moving mechanism, one end of the sliding seat (10) is provided with a positioning mechanism, the positioning mechanism can be mounted on the upper end surface of the circular table, and the sliding seat (10) is located in the radial direction of the upper end surface of the circular table, and the moving mechanism can drive the auxiliary plate (17) to move to the arc surface side of the circular table and adaptively deflect.
2. The high-precision drilling auxiliary tool for mechanical parts according to claim 1, characterized in that, The positioning mechanism comprises a fixed frame (1), the lower surface of the fixed frame (1) has at least three vertical parts, the vertical parts of the fixed frame (1) are arranged in a ring shape around the fixed frame (1), and a positioning rod (3) capable of moving horizontally is inserted on each vertical part of the fixed frame (1).
3. The high-precision drilling auxiliary tool for mechanical parts according to claim 2, characterized in that, One end of the positioning rod (3) away from the vertical part of the fixed frame (1) is fixedly connected with a connecting plate (2), a first spring (4) is sleeved on the outer surface of the positioning rod (3), one end of the first spring (4) is fixedly connected with the connecting plate (2), the other end of the first spring (4) is fixedly connected with the vertical part of the fixed frame (1), a vertical rod (7) is fixedly connected to the center of the upper surface of the fixed frame (1), a sliding sleeve (8) is sleeved on the outer surface of the vertical rod (7), a pull rope (5) is fixedly connected between the connecting plate (2) and the sliding sleeve (8), a plurality of guide sleeves (6) are fixedly connected to the upper surface of the fixed frame (1), the guide sleeves (6) correspond to the pull ropes (5) one by one, and the pull ropes (5) pass through the corresponding guide sleeves (6), a fixing bolt (9) is inserted on the sliding sleeve (8), and one end of the fixing bolt (9) abuts against the outer surface of the vertical rod (7).
4. The high-precision drilling auxiliary tool for mechanical parts according to claim 3, characterized in that, When the first spring (4) is not subjected to external force, one end of the positioning rod (3) is flush with the vertical part of the fixed frame (1).
5. The high-precision drilling auxiliary tool for mechanical parts according to claim 3, characterized in that, The moving mechanism comprises a sliding block (12), the sliding block (12) is arranged in a "J" shape, the sliding seat (10) is hollow, sliding grooves (11) are formed on the two sides of the sliding seat (10), the two ends of the sliding block (12) are slidably installed in the two groups of sliding grooves (11), respectively, a rotating shaft (21) is fixedly connected to the upper end of the auxiliary plate (17), the rotating shaft (21) is rotatably installed in the sliding block (12), one end of the rotating shaft (21) penetrates to the outside of the sliding block (12) and is fixedly connected with a side plate (22), a torsional spring (23) is sleeved on the outer surface of the rotating shaft (21), and the two ends of the torsional spring (23) are fixedly connected with the side plate (22) and the sliding block (12), respectively, and a power mechanism is arranged in the sliding groove (11), which can drive the sliding block (12) to move to one side of the positioning mechanism.
6. The high-precision drilling auxiliary tool for mechanical parts according to claim 5, characterized in that, A reinforcing bolt (24) is inserted on the sliding block (12), and one end of the reinforcing bolt (24) abuts against the outer surface of the rotating shaft (21).
7. The high-precision drilling auxiliary tool for mechanical parts according to claim 5, characterized in that, Said power mechanism comprises a guide rod (13) fixedly installed inside one of the sliding grooves (11), said guide rod (13) slidingly penetrating through the sliding block (12), a second spring (14) sleeved on the outer surface of said guide rod (13), one end of said second spring (14) fixedly connected with the guide rod (13), the other end of said second spring (14) fixedly connected with the inner surface of the sliding groove (11), an extension plate (16) fixedly connected on one side of the top of said sliding block (12), a positioning bolt (15) inserted on said extension plate (16), said positioning bolt (15) abutting against the upper surface of the sliding seat (10).
8. The high-precision drilling auxiliary tool for mechanical parts according to claim 7, characterized in that, When said sliding block (12) is located on the side of the sliding seat (10) away from the fixing frame (1), said second spring (14) is in a stretched state.