Numerical control milling end face drilling machine tool positioning tooling

Abstract

The utility model relates to positioning frock technical field, and disclose numerical control mill end face drilling machine positioning frock, including base, the inner chamber fixed mounting of base has the motor, the other end fixed sleeve joint of motor output shaft has the threaded rod, the other end of threaded rod penetrates base and extends to the inside of base and has the motion block of threaded sleeve joint. The utility model discloses through setting motion block, limit rod, rafter, movable frame and fixed rod, when the motor starts to operate, will make threaded rod rotate, and let motion block be under the limiting effect of limit rod, carry out along the downward movement of the outer surface of limit rod, and let rafter move, at this moment, rafter will extrude and push movable frame, make movable frame along the outer surface of fixed rod upward movement, finally make movable frame from the inner chamber of base stretch out, realized the fixing of different size cylindrical material, improved the application range of the device.

Description

Technical Field

[0001] This utility model relates to the field of positioning tooling technology, and more specifically, to positioning tooling for CNC milling end face drilling machine tools. Background Technology

[0002] Positioning fixtures are auxiliary devices used to fix and precisely position workpieces. They are widely used in machining, assembly, and inspection processes. Their core function is to ensure that workpieces maintain the correct position and orientation during processing or assembly, thereby improving accuracy, repeatability, and production efficiency. Positioning fixtures can be customized according to different product requirements, such as welding fixtures in automobile manufacturing and precision inspection fixtures in the aerospace field. By reducing human error and shortening clamping time, positioning fixtures can significantly improve product quality and consistency while reducing operational difficulty. They are suitable for mass production and industrial scenarios with high precision requirements.

[0003] A search revealed that CN219254807U discloses a positioning fixture for a multi-axis drilling machine tool. The paper addresses the problem that "existing positioning fixtures typically rely on manual positioning and fixing, resulting in slow operation speeds and a high risk of accidents due to the close proximity of the worker's hand to the spindle." The proposed fixture addresses this by automatically controlling the limited feed rates of the first and second positioning plates, achieving high positioning efficiency while avoiding accidents. However, the fixed size of the positioning fixture base limits its applicability to materials with a width smaller than the base. Larger materials are difficult to position accurately and effectively, reducing the device's applicability. Therefore, improvements are needed. Utility Model Content

[0004] This utility model addresses the technical problems existing in the prior art by providing a positioning fixture for a CNC milling end face drilling machine, which has the advantage of wide applicability.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A positioning fixture for a CNC milling end face drilling machine includes a base. A motor is fixedly installed in the inner cavity of the base. A threaded rod is fixedly sleeved at the other end of the motor output shaft. The other end of the threaded rod passes through the base and extends into the interior of the base, and is threadedly sleeved with a moving block. Limiting rods located on the front and rear sides of the threaded rod are fixedly connected to the bottom of the inner cavity of the base. The outer surface of the limiting rod is movably sleeved with the interior of the moving block. A diagonal rod is hinged to the top of the moving block. A movable frame is hinged to the other end of the diagonal rod. The outer surface of the movable frame is movably connected to the interior of the base. A fixing rod is fixedly connected to the bottom of the inner cavity of the base. The other end of the fixing rod passes through the movable frame and extends to the outside of the movable frame, and is movably sleeved with the interior of the movable frame.

[0006] As a preferred embodiment of this utility model, a protective shell is fixedly installed on the outer surface of the motor, and the protective shell is fixedly installed in the inner cavity of the base.

[0007] As a preferred embodiment of this utility model, both the base and the movable frame are movably fitted with telescopic plates inside, and the top of the telescopic plates is fixedly connected with clamping plates. There are two clamping plates, and the bottoms of the two clamping plates are movably connected to the tops of the base and the movable frame, respectively.

[0008] As a preferred embodiment of this utility model, handles are movably sleeved on the left side of the base and the right side of the movable frame. Gears are fixedly sleeved on the outer surface of the handles, and toothed plates are meshed on the outer surface of the gears.

[0009] As a preferred embodiment of this utility model, a connecting block is fixedly connected to the bottom right side of the toothed plate, and the outer surface of the connecting block is movably connected to the base and the interior of the movable frame, respectively. A telescopic plate is fixedly connected to the other end of the connecting block.

[0010] As a preferred technical solution of this utility model, a rectangular plate is fixedly connected to the outer surface of both the base and the movable frame. A pull rod is movably sleeved inside the rectangular plate. The other end of the pull rod passes through the rectangular plate and extends to the outside of the rectangular plate and is fixedly connected to a locking block. The right side of the locking block is engaged with the outer surface of the gear.

[0011] As a preferred embodiment of this utility model, a spring is movably sleeved on the outer surface of the pull rod, the left side of the spring is fixedly connected to the right side of the rectangular plate, and the right side of the spring is fixedly connected to the left side of the locking block.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] This invention, by setting up a moving block, a limiting rod, a diagonal rod, a movable frame, and a fixed rod, causes the threaded rod to rotate when the motor starts running. This causes the moving block to move downwards along the outer surface of the limiting rod under the limiting action, while the diagonal rod moves. At this time, the diagonal rod will squeeze and push the movable frame, causing the movable frame to move upwards along the outer surface of the fixed rod. Finally, the movable frame extends out of the inner cavity of the base, realizing the fixation of cylindrical materials of different sizes and improving the applicability of the device. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the gear structure of this utility model;

[0016] Figure 3This is a cross-sectional view of the motor of this utility model;

[0017] Figure 4 This is a cross-sectional view of the telescopic plate of this utility model;

[0018] Figure 5 This is a cross-sectional structural diagram of the diagonal bar of this utility model.

[0019] The attached diagram lists the components represented by each number as follows:

[0020] 1. Base; 2. Motor; 3. Threaded rod; 4. Moving block; 5. Limiting rod; 6. Diagonal rod; 7. Movable frame; 8. Fixed rod; 9. Protective shell; 10. Telescopic plate; 11. Handle; 12. Gear; 13. Toothed plate; 14. Connecting block; 15. Rectangular plate; 16. Pull rod; 17. Locking block; 18. Spring; 19. Clamping plate. Detailed Implementation

[0021] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0022] like Figures 1 to 5 As shown, this utility model provides a positioning fixture for a CNC milling end face drilling machine, including a base 1. A motor 2 is fixedly installed in the inner cavity of the base 1. A threaded rod 3 is fixedly sleeved at the other end of the output shaft of the motor 2. The other end of the threaded rod 3 passes through the base 1 and extends into the interior of the base 1, and is threadedly sleeved with a moving block 4. Limiting rods 5 located on the front and rear sides of the threaded rod 3 are fixedly connected to the bottom of the inner cavity of the base 1. The outer surface of the limiting rods 5 is movably sleeved with the interior of the moving block 4. A diagonal rod 6 is hinged to the top of the moving block 4. A movable frame 7 is hinged to the other end of the diagonal rod 6. The surface is movably connected to the interior of the base 1. A fixed rod 8 is fixedly connected to the bottom of the inner cavity of the base 1. The other end of the fixed rod 8 passes through the movable frame 7 and extends to the outside of the movable frame 7 and is movably sleeved with the interior of the movable frame 7. When the motor 2 starts running, it will cause the threaded rod 3 to rotate and the moving block 4 to move downward along the outer surface of the limit rod 5 under the limiting action of the limit rod 5, and cause the inclined rod 6 to move. At this time, the inclined rod 6 will squeeze and push the movable frame 7, causing the movable frame 7 to move upward along the outer surface of the fixed rod 8 under the limiting action of the fixed rod 8.

[0023] The outer surface of the motor 2 is fixedly fitted with a protective shell 9, which is fixedly installed in the inner cavity of the base 1. Due to the design of the protective shell 9, the motor 2 is sealed, preventing the debris generated during drilling from entering the interior of the motor 2.

[0024] Both the base 1 and the movable frame 7 are equipped with telescopic plates 10. The top of the telescopic plates 10 is fixedly connected to clamping plates 19. There are two clamping plates 19, and the bottoms of the two clamping plates 19 are movably connected to the tops of the base 1 and the movable frame 7, respectively. When the telescopic plates 10 move, they will drive the clamping plates 19 to move vertically upward under the limiting action of the base 1 or the movable frame 7.

[0025] Handles 11 are movably sleeved on the left side of the base 1 and the right side of the movable frame 7. A gear 12 is fixedly sleeved on the outer surface of the handle 11, and a toothed plate 13 is meshed on the outer surface of the gear 12. When the handle 11 is rotated, the gear 12 will rotate synchronously, thereby causing the toothed plate 13 to move upward.

[0026] A connecting block 14 is fixedly connected to the bottom right side of the toothed plate 13. The outer surface of the connecting block 14 is movably connected to the interior of the base 1 and the movable frame 7. The other end of the connecting block 14 is fixedly connected to the telescopic plate 10. When the toothed plate 13 moves upward, the telescopic plate 10 will move inside the base 1 and the movable frame 7 through the connecting block 14. Due to the limiting effect of the connecting block 14, the telescopic plate 10 is prevented from detaching from the interior of the base 1 or the movable frame 7 during subsequent movements.

[0027] The base 1 and the movable frame 7 are both fixedly connected to the outer surfaces of rectangular plates 15. A pull rod 16 is movably sleeved inside the rectangular plate 15. The other end of the pull rod 16 passes through the rectangular plate 15 and extends to the outside of the rectangular plate 15 and is fixedly connected to a locking block 17. The right side of the locking block 17 is engaged with the outer surface of the gear 12. When the pull rod 16 is pulled, the locking block 17 is disengaged from the outer surface of the gear 12, which will release the fixing effect on the gear 12 and the handle 11.

[0028] Among them, a spring 18 is movably sleeved on the outer surface of the pull rod 16. The left side of the spring 18 is fixedly connected to the right side of the rectangular plate 15, and the right side of the spring 18 is fixedly connected to the left side of the locking block 17. Due to the design of the spring 18, the locking block 17 has a good reset effect during subsequent movement.

[0029] Working principle and usage process of this utility model:

[0030] First, start motor 2 to rotate threaded rod 3, causing moving block 4 to move downward along the outer surface of limit rod 5 under the limiting action of limit rod 5, and causing inclined rod 6 to move. At this time, inclined rod 6 will squeeze and push movable frame 7, causing movable frame 7 to move upward along the outer surface of fixed rod 8, and finally causing movable frame 7 to extend out of the inner cavity of base 1. When movable frame 7 moves to the maximum distance, stop, and put the cylindrical material that needs to be positioned and clamped into the top of base 1, ensuring that the cylindrical material and the top of base 1 are in double-line contact. Then start motor 2 again, and similarly make movable frame 7 and cylindrical material in double-line contact, thus realizing the fixation of cylindrical materials of different sizes and improving the applicability of the device.

[0031] When the cylindrical material is relatively tall and the initial clamping position of the clamping plate 19 is not in the middle area, first pull the lever 16 to disengage the locking block 17 from the outer surface of the gear 12. Then rotate the handle 11 to make the gear 12 rotate synchronously, and let the toothed plate 13 drive the connecting block 14 to move vertically upward under the limiting action of the base 1 and the movable frame 7. Finally, the telescopic plate 10 will drive the clamping plate 19 to move upward, thereby realizing the function of adjusting the clamping position of the clamping plate 19, avoiding the problem that the clamping position of the cylindrical material is too low, resulting in insufficient clamping stability and easy shaking or deformation of the material.

[0032] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0033] In the description of this application, the term "for example" is used to mean "used as an example, illustration, or description." Any embodiment described as "for example" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is provided to enable any person skilled in the art to implement and use the present invention. Details are set forth in the following description for purposes of explanation. It should be understood that those skilled in the art will recognize that the present invention can be implemented without using these specific details. In other instances, well-known structures and processes will not be described in detail to avoid obscuring the description of the present invention with unnecessary detail. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the broadest scope of the principles and features disclosed in this application.

Claims

1. A positioning fixture for a CNC milling and drilling machine, comprising a base (1), characterized in that: A motor (2) is fixedly installed in the inner cavity of the base (1). A threaded rod (3) is fixedly sleeved on the other end of the output shaft of the motor (2). The other end of the threaded rod (3) passes through the base (1) and extends into the interior of the base (1) and is threadedly sleeved with a moving block (4). A limiting rod (5) located on the front and rear sides of the threaded rod (3) is fixedly connected to the bottom of the inner cavity of the base (1). The outer surface of the limiting rod (5) is movably sleeved with the interior of the moving block (4). A diagonal rod (6) is hinged to the top of the moving block (4). A movable frame (7) is hinged to the other end of the diagonal rod (6). The outer surface of the movable frame (7) is movably connected to the interior of the base (1). A fixed rod (8) is fixedly connected to the bottom of the inner cavity of the base (1). The other end of the fixed rod (8) passes through the movable frame (7) and extends to the outside of the movable frame (7) and is movably sleeved with the interior of the movable frame (7).

2. The positioning fixture for a CNC milling and drilling machine tool according to claim 1, characterized in that: A protective shell (9) is fixedly installed on the outer surface of the motor (2), and the protective shell (9) is fixedly installed in the inner cavity of the base (1).

3. The positioning fixture for a CNC milling and drilling machine tool according to claim 1, characterized in that: Both the base (1) and the movable frame (7) are fitted with telescopic plates (10), and the top of the telescopic plates (10) is fixedly connected with clamping plates (19). There are two clamping plates (19), and the bottoms of the two clamping plates (19) are respectively movably connected to the tops of the base (1) and the movable frame (7).

4. The positioning fixture for a CNC milling and drilling machine tool according to claim 1, characterized in that: Handles (11) are movably sleeved on the left side of the base (1) and the right side of the movable frame (7). A gear (12) is fixedly sleeved on the outer surface of the handle (11), and a toothed plate (13) is meshed on the outer surface of the gear (12).

5. The positioning fixture for a CNC milling and drilling machine tool according to claim 4, characterized in that: A connecting block (14) is fixedly connected to the bottom right side of the toothed plate (13). The outer surface of the connecting block (14) is movably connected to the base (1) and the movable frame (7) respectively. A telescopic plate (10) is fixedly connected to the other end of the connecting block (14).

6. The positioning fixture for a CNC milling and drilling machine tool according to claim 1, characterized in that: A rectangular plate (15) is fixedly connected to the outer surface of both the base (1) and the movable frame (7). A pull rod (16) is movably sleeved inside the rectangular plate (15). The other end of the pull rod (16) passes through the rectangular plate (15) and extends to the outside of the rectangular plate (15) and is fixedly connected to a locking block (17). The right side of the locking block (17) meshes with the outer surface of the gear (12).

7. The positioning fixture for a CNC milling and drilling machine tool according to claim 6, characterized in that: A spring (18) is movably sleeved on the outer surface of the pull rod (16). The left side of the spring (18) is fixedly connected to the right side of the rectangular plate (15), and the right side of the spring (18) is fixedly connected to the left side of the locking block (17).

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