Numerical control deep hole machining mechanism
By using an air inlet pipe and a fixed air cushion structure in the deep hole machining equipment, the vibration and stability problems in deep hole machining are solved, achieving high-precision and high-efficiency drilling results.
Patent Information
- Application Number
- CN202422973059.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing deep hole machining equipment experiences prolonged vibrations at deep drilling depths, resulting in poor stability of cylindrical parts. Traditional clamping devices are ineffective in securing the parts, affecting drilling accuracy and efficiency.
The system employs an air inlet pipe and a fixed air cushion structure. Gas is introduced through an air pump to expand the fixed air cushion and clamp the middle of the rod to be drilled. The gas is discharged through a control valve, thereby improving the separation efficiency between the rod and the fixed cylinder.
It effectively reduces the shaking amplitude during drilling, improves drilling accuracy and efficiency, and enhances the stability of the device.
Smart Images

Figure CN223441160U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of numerical control processing, in particular to a numerical control deep hole processing mechanism. Background Art
[0002] CNC lathes are one of the most widely used CNC machine tools. They are primarily used for machining internal and external cylindrical surfaces of shafts and disks, internal and external conical surfaces of arbitrary taper angles, complex internal and external rotational curved surfaces, and cylindrical and conical threads. They can also perform grooving, drilling, reaming, reaming, and boring. Deep hole machining equipment primarily performs deep hole drilling operations on these cylindrical parts.
[0003] However, due to the deeper drilling depth, the vibration duration of existing deep hole processing equipment is longer and the vibration range is larger, which requires higher stability in the placement of columnar parts. Traditional clamping devices only fix part of the columnar parts, resulting in poor stability of the columnar parts. Utility Model Content
[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide a CNC deep hole machining mechanism. The device is provided with an air inlet pipe and a fixed air cushion. An air pump can pass gas into the fixed air cushion through the air inlet pipe, thereby causing the fixed air cushion to expand and effectively clamp the middle part of the rod to be drilled, thereby effectively reducing the shaking amplitude of the rod during the drilling process and greatly improving the drilling accuracy of the device.
[0005] The device is provided with a first control valve, a second control valve and an air outlet pipe. During the fixed air cushion exhaust process, the first control valve is disconnected and the second control valve is closed. The gas in the fixed air cushion is discharged through the air inlet branch pipe and the air outlet pipe, which can effectively improve the separation efficiency of the rod and the fixed cylinder, thereby improving the drilling efficiency of the device.
[0006] The utility model also provides a CNC deep hole processing mechanism as described above, comprising: a support base, the upper side wall of the support base is fixedly connected to a processing chamber, the left inner wall of the processing chamber is installed with a positioning base, the right side wall of the positioning base is fixedly connected to a fixed cylinder, the inner side wall of the fixed cylinder is fixedly connected to a plurality of fixed air cushions, and the upper side wall of the processing chamber is installed with an air pump;
[0007] The output end of the air pump is fixedly connected to an air inlet pipe, the side wall of the air inlet pipe is fixedly connected to an air outlet pipe, the lower end of the air inlet pipe is fixedly connected to several air inlet branches, the lower inner wall of the processing chamber is installed with a sliding base, and the upper side wall of the sliding base is slidably connected to a drilling assembly.
[0008] According to the described CNC deep hole processing mechanism, the front side wall of the support base is rotatably connected to two cabinet doors, and the front side wall of each cabinet door is fixedly connected to a handle for facilitating opening the cabinet door.
[0009] According to the deep hole machining mechanism, the front side wall of the machining bin is rotationally connected with a sealing cover, and the front side wall of the sealing cover is fixedly connected with a handle, so that the sealing cover is conveniently pulled open.
[0010] According to the deep hole machining mechanism, the inside of the positioning base is screwedly connected with an adjusting screw, and the end, close to the center of the positioning base, of the adjusting screw is rotationally connected with a positioning piece for clamping one end of the rod.
[0011] According to the deep hole machining mechanism, the outside wall of the fixing cylinder is fixedly connected with a fixing sleeve, the outside wall of the fixing sleeve is fixedly connected with a supporting leg, and the end, away from the fixing cylinder, of the supporting leg is fixedly connected with a supporting base, so that the stability of the supporting leg is improved.
[0012] According to the deep hole machining mechanism, the center of the drill bit of the drilling assembly is aligned with the center of the fixing cylinder, so that the drilling precision of the drilling assembly is improved.
[0013] According to the deep hole machining mechanism, each fixing air cushion is connected with an air inlet branch pipe, the middle part of the air inlet pipe is fixedly connected with a first control valve for controlling the air inlet of the air inlet pipe, and the middle part of the air outlet pipe is fixedly connected with a second control valve for controlling the air inlet of the air outlet pipe.
[0014] According to the deep hole machining mechanism, the right inner wall of the machining bin is provided with an electric push rod, and the output end of the electric push rod is fixedly connected with the drilling assembly, so that the electric push rod can drive the drilling assembly to move left and right.
[0015] Additional aspects and advantages of the present application will be further understood from the following detailed description and from the specific written description of the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0016] The present application will be further described below in conjunction with the drawings and embodiments.
[0017] Figure 1 It is a structural schematic view of the deep hole machining mechanism of the present application;
[0018] Figure 2 It is an internal schematic view of the deep hole machining mechanism of the present application;
[0019] Figure 3 It is a sectional view of the deep hole machining mechanism of the present application;
[0020] Figure 4 It is a top view of the deep hole machining mechanism of the present application.
[0021] Legend:
[0022] 1, processing bin; 101, sealing cover; 102, handle; 2, support base; 201, cabinet door; 202, handle; 3, air pump; 301, air inlet pipe; 302, first control valve; 303, air inlet branch pipe; 304, fixed air cushion; 4, air outlet pipe; 401, second control valve; 5, positioning base; 501, positioning piece; 502, adjusting screw; 6, support leg; 601, fixing sleeve; 602, support seat; 7, fixed cylinder; 8, drilling assembly; 801, sliding base; 802, electric push rod. DETAILED DESCRIPTION
[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0024] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the limitation of the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0025] Reference Figures 1-4 , the utility model embodiment a numerical control deep hole processing mechanism, it includes: support base 2, the front side wall of support base 2 is rotatably connected with two cabinet doors 201, the front side wall of each cabinet door 201 is fixedly connected with handle 202, to facilitate pulling open cabinet door 201.
[0026] The upper side wall of support base 2 is fixedly connected with processing bin 1, the front side wall of processing bin 1 is rotatably connected with sealing cover 101, the front side wall of sealing cover 101 is fixedly connected with handle 102, to facilitate pulling open sealing cover 101.
[0027] The left inner wall of the processing bin 1 is provided with a positioning base 5, the inside of the positioning base 5 is threadedly connected with an adjusting screw rod 502, the end of the adjusting screw rod 502 close to the center of the positioning base 5 is rotatably connected with a positioning sheet 501, which is used for clamping one end of the rod.
[0028] The right side wall of the positioning base 5 is fixedly connected with a fixed cylinder 7, the inner side wall of the fixed cylinder 7 is fixedly connected with a plurality of fixed air cushions 304, each of the fixed air cushions 304 is connected with an air inlet branch pipe 303, the middle part of the air inlet pipe 301 is fixedly connected with a first control valve 302, which is used for controlling the air inlet of the air inlet pipe 301, the middle part of the air outlet pipe 4 is fixedly connected with a second control valve 401, which is used for controlling the air inlet of the air outlet pipe, the upper side wall of the processing bin 1 is provided with an air pump 3, the outer side wall of the fixed cylinder 7 is fixedly connected with a fixed sleeve 601, the outer side wall of the fixed sleeve 601 is fixedly connected with a supporting leg 6, the end of the supporting leg 6 away from the fixed cylinder 7 is fixedly connected with a supporting seat 602, which improves the stability of the supporting leg 6.
[0029] The output end of the air pump 3 is fixedly connected with the air inlet pipe 301, the side wall of the air inlet pipe 301 is fixedly connected with the air outlet pipe 4, the lower end of the air inlet pipe 301 is fixedly connected with a plurality of air inlet branch pipes 303, the lower inner wall of the processing bin 1 is provided with a sliding base 801, the upper side wall of the sliding base 801 is slidingly connected with a drilling assembly 8, the center of the drill bit of the drilling assembly 8 is aligned with the center of the fixed cylinder 7, which improves the accuracy of drilling of the drilling assembly 8, the right inner wall of the processing bin 1 is provided with an electric push rod 802, the output end of the electric push rod 802 is fixedly connected with the drilling assembly 8, the electric push rod 802 can drive the drilling assembly 8 to move left and right.
[0030] The electrical components in this article are all electrically connected with the external main controller, and the main controller can be a conventional known device such as a computer, and the electrical components in this article are all electrically connected with the external power supply.
[0031] Working principle: the device is provided with an air inlet pipe 301 and a fixed air cushion 304, the air pump 3 can introduce gas into the fixed air cushion 304 through the air inlet pipe 301, so as to make the fixed air cushion 304 expand and effectively clamp the middle part of the rod to be drilled, when the air pressure in the fixed air cushion 304 is greater than the preset value, the deformation of the fixed air cushion 304 under pressure can be reduced, thereby effectively reducing the shaking amplitude of the rod during drilling, greatly improving the drilling accuracy of the device; the device is provided with a first control valve 302, a second control valve 401 and an air outlet pipe 4, during the exhaust process of the fixed air cushion 304, the first control valve 302 is opened and the second control valve 401 is closed, the gas in the fixed air cushion 304 is discharged through the air inlet branch pipe 303 and the air outlet pipe 4, which can effectively improve the separation efficiency of the rod and the fixed cylinder 7, thereby improving the drilling efficiency of the device.
[0032] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range that the person skilled in the art has possesses without departing from the utility model's tenet under the precondition that the utility model is not limited to the above -mentioned embodiment.
Claims
1. A CNC deep hole processing mechanism, characterized in that: include: A support base (2), the upper side wall of the support base (2) is fixedly connected to a processing chamber (1), a positioning base (5) is installed on the left inner wall of the processing chamber (1), a fixed cylinder (7) is fixedly connected to the right side wall of the positioning base (5), a plurality of fixed air cushions (304) are fixedly connected to the inner side wall of the fixed cylinder (7), and an air pump (3) is installed on the upper side wall of the processing chamber (1); The output end of the air pump (3) is fixedly connected to an air inlet pipe (301), the side wall of the air inlet pipe (301) is fixedly connected to an air outlet pipe (4), the lower end of the air inlet pipe (301) is fixedly connected to a plurality of air inlet branches (303), the lower inner wall of the processing chamber (1) is installed with a sliding base (801), and the upper side wall of the sliding base (801) is slidably connected to a drilling assembly (8).
2. A CNC deep hole machining mechanism according to claim 1, characterized in that: The front side wall of the support base (2) is rotatably connected to two cabinet doors (201), and the front side wall of each cabinet door (201) is fixedly connected to a handle (202).
3. A CNC deep hole machining mechanism according to claim 1, characterized in that: The front side wall of the processing chamber (1) is rotatably connected to a sealing cover (101), and the front side wall of the sealing cover (101) is fixedly connected to a handle (102).
4. A CNC deep hole machining mechanism according to claim 1, characterized in that: The internal thread of the positioning base (5) is connected to an adjusting screw (502), and one end of the adjusting screw (502) close to the center of the positioning base (5) is rotatably connected to a positioning piece (501).
5. The CNC deep hole machining mechanism according to claim 1, characterized in that: The outer wall of the fixed cylinder (7) is fixedly connected to a fixed sleeve (601), the outer wall of the fixed sleeve (601) is fixedly connected to a support leg (6), and one end of the support leg (6) away from the fixed cylinder (7) is fixedly connected to a support seat (602).
6. The CNC deep hole machining mechanism according to claim 1, characterized in that: The center of the drill bit of the drilling assembly (8) is aligned with the center of the fixing cylinder (7).
7. The CNC deep hole machining mechanism according to claim 1, characterized in that: Each fixed air cushion (304) is connected to an air inlet branch pipe (303), a first control valve (302) is fixedly connected to the middle of the air inlet pipe (301), and a second control valve (401) is fixedly connected to the middle of the air outlet pipe (4).
8. The CNC deep hole machining mechanism according to claim 1, characterized in that: An electric push rod (802) is installed on the right inner wall of the processing chamber (1), and the output end of the electric push rod (802) is fixedly connected to the drilling assembly (8).