Numerical control machine tool additionally provided with power device
By adding a power unit to a CNC machine tool and utilizing a servo motor and linear motion mechanism, the problems of low precision and efficiency in spiral oil groove machining have been solved, achieving efficient and precise spiral oil groove machining.
Patent Information
- Application Number
- CN202520034878.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing CNC machine tools suffer from limited accuracy and low efficiency when machining spiral oil grooves, especially when multi-axis motion generates cumulative errors and requires multiple clamping and adjustments.
The CNC machine tool equipped with a power unit includes a servo motor, a first linear motion mechanism, and a second linear motion mechanism. Through the cooperation of the lead screw and lead screw seat, the precise movement of the servo motor is achieved, reducing manual operation and improving machining accuracy and efficiency.
It achieves efficient and precise machining of spiral oil grooves, reduces manual operation, and improves machining efficiency and accuracy.
Smart Images
Figure CN223748629U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to numerical control machine tool field, especially a numerical control machine tool of power device is added. BACKGROUND
[0002] In recent years, with the rapid development of mechanical manufacturing industry, numerical control machine tool has been widely applied because of its high precision, high efficiency and high automation degree. In the oil machinery, hydraulic equipment and other industries, spiral oil groove as a kind of key structure has important functions such as guiding lubrication and friction reduction, and its processing quality directly affects the performance and service life of products. However, due to the complex geometry of spiral oil groove and high processing precision requirement, traditional processing method has many limitations.
[0003] In the prior art, numerical control machine tool is mainly used for conventional straight line or curve trajectory processing, but when processing spiral oil groove, it often needs to rely on special equipment or complex accessory device, and there are problems such as limited processing precision caused by cumulative error of multi-axis movement, long processing time and low processing efficiency caused by multiple clamping and adjustment of spiral oil groove.
[0004] Based on the above problems, a numerical control machine tool capable of more efficient and accurate milling of spiral oil groove is needed. Utility model content
[0005] Therefore, the utility model provides a numerical control machine tool of power device is added to solve the above problems.
[0006] The application discloses a numerical control machine tool with a power device, which comprises a machine tool body, a servo motor arranged on the machine tool body, a first linear moving mechanism arranged between the servo motor and the machine tool body, and a second linear moving mechanism arranged on the first linear moving mechanism. The machine tool body comprises a box body, and a rotating shaft is rotatably arranged in the box body. A machining hole is arranged through the rotating shaft. A milling cutter is arranged on the side of the servo motor facing the machining hole. The first linear moving mechanism comprises a first driving motor arranged on the machine tool body, a lead screw arranged on the output end of the first driving motor, a lead screw seat arranged on the lead screw, and a guide rail arranged on the machine tool body. The lead screw seat is connected with the second linear moving mechanism, and the second linear moving mechanism is driven to move by the lead screw, so that adjustment in one direction is realized. The extending direction of the guide rail is parallel to the axial direction of the rotating shaft. The second linear moving mechanism comprises a moving slider arranged on the guide rail, a receiving slider arranged on the moving slider, a second driving motor arranged on the side of the moving slider, a second lead screw arranged on the output shaft of the second driving motor, and a second lead screw seat arranged on the second lead screw. The moving slider is connected with the lead screw seat through a mounting plate. The receiving slider is arranged above the servo motor through a display stand. The second lead screw is perpendicular to the guide rail. The second lead screw seat is connected with the receiving slider. The second driving motor drives the second lead screw, controls the servo motor to move along the moving slider, and realizes adjustment in another direction.
[0007] Further, the machine tool body comprises a table body.
[0008] Further, the rotating shaft is controlled to rotate in the box body by a rotating device.
[0009] Further, a shaft sleeve to be machined is arranged in the machining hole, and a positioning clamping step is arranged in the machining hole to fix and determine the machining position of the shaft sleeve.
[0010] Further, the display stand comprises a rotating table for fixing the servo motor through a connecting piece, and a fixing table connected with the rotating table and the second linear moving mechanism. The rotating table and the fixing table are connected through a rotating connecting piece. A rotating groove is arranged on the outer side edge of the rotating table and divided by the servo motor. A plurality of fixing holes are uniformly arranged on the outer side edge of the fixing table and correspond to the rotating groove. When the orientation of the servo motor needs to be changed, the rotating table is rotated to the required position, the fixing holes at the two ends of the rotating groove are locked by the connecting piece, and the position of the rotating table arranged on the fixing table is determined.
[0011] Further, the mobile slider is arranged in a block shape on both sides of the first linear movement mechanism, and the shape of the contact surface of the mobile slider is matched with the shape of the first linear movement mechanism.
[0012] Compared with the prior art, the numerical control machine tool provided by the utility model is equipped with a power device, and the first linear movement mechanism, the second linear movement mechanism and the servo motor are arranged, so that the spiral oil groove is processed with light, high efficiency and high precision. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The utility model provides a kind of numerical control machine tool of power device of additional installation for the structure schematic diagram of the utility model.
[0014] Figure 2 For Figure 1 The numerical control machine tool of power device of additional installation of the first linear movement mechanism of the utility model has the structure schematic diagram.
[0015] Figure 3 For Figure 1 The numerical control machine tool of power device of additional installation of the second linear movement mechanism of the utility model has the structure schematic diagram.
[0016] Figure 4 For Figure 1 The numerical control machine tool of power device of additional installation of the structure schematic diagram of exhibition stand of the utility model. DETAILED DESCRIPTION
[0017] The specific embodiments of the utility model are further described in detail below.It should be understood that the description of the embodiments of the utility model herein is not used to limit the protection scope of the utility model.
[0018] The terms used herein are intended to explain the embodiments, and are not intended to limit and / or limit the utility model.It needs to be understood that the orientation or position relationship indicated by the terms "front", "back", "left", "right", "up", "down" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship that the utility model product is usually placed, or is the orientation or position relationship that the person skilled in the art usually understands, and is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0019] Please refer to Figures 1 to 4It is the structure schematic view of numerical control machine tool of power device of the utility model provides. The numerical control machine tool of power device of the utility model includes a machine tool main body 10, a servo motor 20 arranged on the machine tool main body 10, a first linear movement mechanism 30 arranged between the servo motor 20 and the machine tool main body 10 and a second linear movement mechanism 40 arranged on the first linear movement mechanism 30. It is conceivable that the numerical control machine tool of power device also includes other functional modules, such as fixed shaft sleeve, and the like, which are known to those skilled in the art, and will not be described here.
[0020] The machine tool main body 10 includes a table body 11 and a box body 12 installed on the table body 11. The table body 11 is used to set the first and second linear movement mechanisms 30 and 40. The box body 12 is used to set the shaft sleeve. The machine tool main body 10 is used to support various functional components, so the machine tool main body 10 is provided with a plurality of functional connectors, such as screws, bolts, bearings, etc., which will not be described here.
[0021] The box body 12 is provided with a rotating shaft 121 rotatably installed in the box body 12. The rotating shaft 121 is provided with a machining hole 122 inside. The shaft sleeve to be machined is placed in the machining hole 122, and the machining hole 122 is provided with a positioning clamping step to fix and determine the machining position of the shaft sleeve. The rotating shaft 121 is controlled to rotate in the box body 12 by a rotating device, which assists the servo motor 20 in machining the inner side surface of the shaft sleeve.
[0022] The servo motor 20 is installed on the second linear movement mechanism 40 through the setting of the exhibition stand 21. The servo motor 20 is provided with a milling cutter towards the side of the machining hole 122. The servo motor 20 is used to control the milling cutter to process the helical oil groove on the inner wall of the shaft sleeve. When the servo motor 20 controls the milling cutter to mill the helical oil groove, the shaft sleeve in the rotating shaft 121 rotates, and the milling cutter controlled by the first and second linear movement mechanisms 30, 40 moves axially inside the shaft sleeve, so that the milling cutter moves on the shaft sleeve in a helical trajectory, and the helical oil groove is milled. The exhibition stand 21 includes a rotating table 211 for fixing the servo motor 20 through a connecting piece, and a fixed table 212 for connecting the rotating table 211 and the second linear movement mechanism 40. The rotating table 211 is connected with the fixed table 212 through a rotating connecting piece. On the outer edge of the rotating table 211, a rotating fixed groove 2111 is respectively arranged on both sides of the servo motor 20. The outer edge of the fixed table 212 is uniformly provided with a plurality of fixed holes 2121. The fixed holes 2121 are arranged corresponding to the rotating fixed grooves 2111. When it is needed to change the orientation of the servo motor 20, the rotating table 211 is rotated to the desired position, and the fixed holes 2121 closest to both ends of the rotating fixed grooves 2111 are locked by using the connecting piece, so as to determine the position of the rotating table 211 arranged on the fixed table 212.
[0023] The first linear movement mechanism 30 includes a first driving motor 31 arranged on the machine tool body 10, a lead screw 32 arranged on the output end of the first driving motor 31, a lead screw seat 33 arranged on the lead screw 32, and a guide rail 34 arranged on the machine tool body 10.
[0024] The first driving motor 31 is used to drive the lead screw 32 to rotate, and the lead screw 32 is a transmission part for converting rotary motion into linear motion, thereby driving the lead screw seat 33 to move linearly. The lead screw seat 33 is connected with the second linear movement mechanism 40, and the second linear movement mechanism 40 is driven to move by the lead screw 32, so as to control the second linear movement mechanism 40 to move along the guide rail 34, and realize adjustment in one direction.
[0025] The extension direction of the guide rail 34 is parallel to the axial direction of the rotating shaft 121. The guide rail 34 is used to limit the sliding direction of the exhibition stand 21 and the servo motor 20 slidingly arranged on the guide rail 34, so that the exhibition stand 21 and the servo motor 20 can move close to or away from the machining hole 122, thereby moving the machining tool to process the bearing in the machining hole 122, such as auxiliary helical oil groove processing.
[0026] The second linear moving mechanism 40 comprises a moving slider 41 arranged on the guide rail 34, a receiving slider 42 slidingly arranged on the moving slider 41, a second driving motor 43 arranged on the side of the moving slider 41, a second screw rod 44 arranged on the output shaft of the second driving motor 43, and a second screw rod base 45 arranged on the second screw rod 44.
[0027] The moving slider 41 is arranged in a block shape on the two sides of the guide rail 34, and the contact surface between the moving slider 41 and the guide rail 34 is arranged in a shape matched with the shape of the guide rail 34, so as to increase the contact area with the first linear moving mechanism 30 and increase the stability during the movement of the moving slider 41. The moving slider 41 is connected with the screw rod base 33 through a mounting plate, so that the moving slider 41 is controlled to move on the guide rail 34 by the screw rod 32. The servo motor 20 is arranged on the receiving slider 42. The second screw rod 44 is arranged in the moving slider 41 in a penetrating mode, and the second screw rod 44 is perpendicular to the guide rail 34. The second screw rod base 45 is connected with the receiving slider 42. The second driving motor 43 drives the second screw rod 44, so that the second screw rod base 45 drives the receiving slider 42 to move, so as to control the servo motor 20 to move along the moving slider 41, and realize the adjustment in another direction.
[0028] When the helical oil groove is milled, the sleeve in the rotating shaft 121 rotates, the first driving motor 31 and the second driving motor 43 control the servo motor 20 to move, so that the milling cutter moves axially in the sleeve, the milling cutter moves on the sleeve in a helical track, the servo motor 20 controls the milling cutter to rotate, and the helical oil groove is milled.
[0029] Compared with the prior art, the numerical control machine tool provided by the utility model is provided with the first linear moving mechanism 30, the second linear moving mechanism 40 and the servo motor 20, so that the helical oil groove is processed in a light, accurate and efficient mode. The arrangement of the screw rod 32, the second screw rod 44, the screw rod base 33 and the second screw rod base 45 is used for accurately adjusting the moving position of the servo motor 20, reduces the manual operation, and enhances the accuracy of the helical oil groove processing.
[0030] The above is only a preferred embodiment of the utility model, and is not used for limiting the protection scope of the utility model, and any modification, equivalent replacement or improvement in the spirit of the utility model is covered in the claim scope of the utility model.
Claims
1. A CNC machine tool retrofitted with a power unit, characterized by: The numerical control machine tool with the power device includes a machine tool body, a servo motor arranged on the machine tool body, a first linear movement mechanism arranged between the servo motor and the machine tool body, and a second linear movement mechanism arranged on the first linear movement mechanism.
2. The retrofitted power device-equipped numerical control machine tool according to claim 1, characterized by: The machine tool body includes a box body, the box body is provided with a rotating shaft rotatably arranged in the box body, the rotating shaft is provided with a machining hole penetrating through the inside, the servo motor is provided with a milling cutter towards the machining hole side, the first linear movement mechanism includes a first driving motor arranged on the machine tool body, a lead screw arranged on the output end of the first driving motor, a lead screw seat arranged on the lead screw, and a guide rail arranged on the machine tool body, the lead screw seat is connected with the second linear movement mechanism, the second linear movement mechanism is driven to move by the lead screw, and adjustment in one direction is realized, the extension direction of the guide rail is parallel to the axial direction of the rotating shaft, the second linear movement mechanism includes a moving slider arranged on the guide rail, a receiving slider arranged on the moving slider, a second driving motor arranged on the side of the moving slider, a second lead screw arranged on the output shaft of the second driving motor, and a second lead screw seat arranged on the second lead screw, the moving slider is connected with the lead screw seat through a mounting plate, the receiving slider is provided above the servo motor through a setting exhibition stand, the second lead screw is perpendicular to the guide rail, the second lead screw seat is connected with the receiving slider, the second driving motor drives the second lead screw, controls the servo motor to move along the moving slider, and realizes adjustment in another direction.
3. The retrofitted power device-equipped numerical control machine tool according to claim 2, characterized by: The machine tool body includes a table body.
4. The retrofitted CNC machine tool of claim 2, wherein: The rotating shaft is controlled to rotate in the box body by a rotating device.
5. The retrofitted CNC machine tool of claim 1, wherein: The shaft sleeve to be machined is placed in the machining hole, and a positioning clamping step is arranged in the machining hole to fix and determine the machining position of the shaft sleeve.
6. The retrofitted CNC machine tool of claim 1, wherein: The exhibition stand includes a rotating table for fixing the servo motor through a connecting piece, and a fixing table connected with the rotating table and the second linear movement mechanism, the rotating table and the fixing table are connected through a rotating connecting piece, a rotating groove is arranged on the outer side edge of the rotating table and separated by the servo motor, a plurality of fixing holes are uniformly arranged on the outer side edge of the fixing table, the fixing holes are arranged corresponding to the rotating groove, when the orientation of the servo motor needs to be changed, the rotating table is rotated to the required position, the fixing holes at both ends of the rotating groove are locked by the connecting piece, and the position of the rotating table arranged on the fixing table is determined. The moving slider is arranged in a block shape on both sides of the first linear movement mechanism, and the shape of the contact surface of the moving slider and the first linear movement mechanism is matched with the shape of the first linear movement mechanism.