High-rigidity numerical control machine tool

By optimizing the structure of high-rigidity CNC machine tools, the problems of rough product surface finish and poor stability in existing technologies have been solved, achieving precision machining and high stability.

CN223670773UActive Publication Date: 2025-12-16DONGGUAN YUANCHI CNC EQUIPMENT CO LTD
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Patent Information

Application Number
CN202423142254.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-16
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

In mass production, existing flat-rail CNC lathes produce products with rough surface finish and poor stability, making it difficult to meet the requirements of precision machining.

Method used

The high-rigidity CNC machine tool structure includes a casting frame, a drive mechanism, a limit mechanism, and an X-axis adjustment mechanism. It is slidably fitted on the tilting seat 12 via a slant slide. The tilting adjustment structure is slidably fitted with a slant slide, and a servo turret is installed on the slant slide. Through the cooperation of the drive mechanism, the limit mechanism, and the X-axis adjustment mechanism, the backlash error of the lead screw is optimized, and the torque and stability between the tool and the workpiece are improved.

Benefits of technology

It enables precision machining of longer workpieces, ensuring the coaxiality and taper of the products, and improving the surface finish, accuracy and stability of the products.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223670773U_ABST
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Abstract

The utility model discloses a high-rigidity numerical control machine tool, and relates to the technical field of numerical control machine tools. The device comprises a casting rack, a driving mechanism, a limiting mechanism and an X-axis adjusting mechanism are arranged on the upper portion of the casting rack, and the driving mechanism and the limiting mechanism are located on one side of the X-axis adjusting mechanism; an inclined seat is arranged on the X-axis adjusting mechanism in a sliding fit mode, an inclined adjusting structure is arranged on the inclined seat, an inclined sliding table is arranged on the inclined adjusting structure in a sliding fit mode, and a servo tool turret is arranged on the inclined sliding table. The inclined sliding table is in sliding fit with the inclined seat, the reverse clearance error of the lead screw can be optimized on the mechanical principle, the torque between a cutter and a workpiece is higher in the production process, the stability is higher, precision machining of a long workpiece can be completed through the limiting mechanism, the coaxiality and the taper of a long product are guaranteed, and the production efficiency is improved. And the smoothness, precision and stability of the product are improved by matching a driving mechanism.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to numerical control machine tool field, specifically, relate to a high rigidity numerical control machine tool. BACKGROUND

[0002] The lathe is the industry mother machine, and the traditional industrial lathe adjusts the tension of the chuck by rotating the manual chuck wrench to add the workpiece.

[0003] At present, the flat rail numerical control lathe suitable for batch processing saves labor, but its efficiency is low, stability is poor, and the product appearance is rough, which is not suitable for batch precision machining.

[0004] Therefore, the utility model is provided. SUMMARY

[0005] The utility model solves the technical problem in the prior art, provides a high rigidity numerical control machine tool, and solves the problems in the background.

[0006] To solve the above technical problems, the basic concept of the technical scheme of the utility model is as follows:

[0007] A high rigidity numerical control machine tool, comprising: a casting frame, a driving mechanism, a limiting mechanism and an X-axis adjusting mechanism are arranged on the upper part of the casting frame, and the driving mechanism and the limiting mechanism are located on one side of the X-axis adjusting mechanism;

[0008] An inclined seat is slidably connected to the X-axis adjusting mechanism, an inclined adjusting structure is arranged on the inclined seat, an inclined sliding table is slidably connected to the inclined adjusting structure, and a servo tool tower is arranged on the upper surface of the inclined sliding table.

[0009] Optionally, the driving mechanism comprises a spindle box arranged on the upper part of the casting frame, a rotary oil cylinder is arranged on one side of the upper part of the spindle box, a main shaft is fixedly connected to the output shaft of the rotary oil cylinder, the main shaft is rotatably connected in the spindle box, a hydraulic chuck is fixedly connected to one end of the main shaft, the spindle box is located between the rotary oil cylinder and the hydraulic chuck, and the hydraulic chuck is located between the spindle box and the limiting mechanism.

[0010] Optionally, the limiting mechanism comprises a sliding base slidably connected to the upper part of the casting frame, a tailstock body is arranged on the upper side of the sliding base, and a hydraulic tailstock is arranged on the upper part of the tailstock body.

[0011] Optionally, two electric guide rails are arranged on the upper part of the casting frame, two output seats are movably connected to the electric guide rails, and the output seats are arranged on the lower part of the sliding base.

[0012] Optionally, the X-axis adjusting mechanism comprises a first machine seat arranged on the upper part of the casting frame, a driving motor is arranged on one side of the first machine seat, a lead screw is fixedly connected to the output shaft of the driving motor, and the lower part of the inclined seat is threadedly connected to the periphery of the lead screw.

[0013] Optionally, the upper part of the casting machine frame is equipped with two track rods, the machine base is located between the two track rods, and the lower part of the tilting seat is slidably fitted on the track rods.

[0014] Optionally, the tilt adjustment structure includes a base two mounted on the upper part of the tilt seat, a drive motor two mounted on the upper part of the base two, a lead screw two fixedly connected to the output shaft of the drive motor two, and the lower part of the tilt slide is threadedly fitted to the periphery of the lead screw two.

[0015] Optionally, two track rods are installed on the upper side of the inclined seat, the machine base is located between the two track rods, and the lower part of the inclined slide is slidably fitted on the track rods.

[0016] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the following advantages at the same time:

[0017] By sliding the inclined slide table onto the tilting seat, the backlash error of the lead screw can be optimized in terms of mechanical principle. During the production process, the torque between the tool and the workpiece is stronger and the stability is higher. The limiting mechanism can complete the precision machining of longer workpieces, ensuring the coaxiality and taper of longer products. By combining it with the drive mechanism, the surface finish, precision and stability of the product can be improved.

[0018] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0019] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings:

[0020] Figure 1 This is a top-down structural diagram;

[0021] Figure 2 This is a schematic diagram of the side view structure.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] Casting frame 1, spindle box 2, rotary cylinder 3, spindle 4, electric guide rail 5, output seat 501, sliding base 6, tailstock body 7, hydraulic tail jack 8, base 1 9, bearing seat 1 10, track rod 1 11, tilting seat 12, base 2 13, bearing seat 2 14, inclined slide 15, track rod 2 16, servo turret 17.

[0024] It should be noted that the drawings and the text description are not intended to limit the concept range of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0025] The utility model will be explained in further detail in combination with the drawings.

[0026] Please refer to Figures 1-2 As shown in the figure, in the embodiment, a high-rigidity numerical control machine tool is provided, comprising: a casting frame 1, a driving mechanism, a limiting mechanism and an X-axis adjusting mechanism are arranged on the upper part of the casting frame 1, the driving mechanism and the limiting mechanism are located on one side of the X-axis adjusting mechanism;

[0027] An inclined seat 12 is slidably fitted on the X-axis adjusting mechanism, an inclined adjusting structure is arranged on the inclined seat 12, an inclined sliding table 15 is slidably fitted on the inclined adjusting structure, and a servo tool tower 17 is arranged on the upper surface of the inclined sliding table 15.

[0028] An aspect of the embodiment is applied as follows: in use, the workpiece is clamped by the driving mechanism, then the limiting mechanism is controlled to abut against the workpiece to limit it, the numerical control program is input into the numerical control system according to the product drawing, the required tool is arranged on the servo tool tower 17, after the tool is completed, the protective door is closed, and finally the machine tool is started to automatically process, at this time, the numerical control system controls the driving mechanism to work to drive the workpiece to rotate, controls the X-axis adjusting mechanism to work to drive the inclined seat 12 to slide transversely, and controls the inclined adjusting structure to work to drive the inclined sliding table 15 to slide along the inclined direction of the inclined seat 12. It should be noted that all the electrical equipment involved in the present application can be powered by a storage battery or an external power source.

[0029] By slidably fitting the inclined sliding table 15 on the inclined seat 12, the reverse gap error of the screw rod can be optimized in mechanical principle, the torque between the tool and the workpiece is stronger and the stability is higher in the production process, the limiting mechanism can complete the precision machining of a long workpiece, the coaxiality and the taper of the long product are ensured, and the driving mechanism is matched to improve the smoothness, the precision and the stability of the product.

[0030] As Figure 1 As shown in the figure, the driving mechanism of the embodiment comprises a spindle box 2 arranged on the upper part of the casting frame 1, a rotary oil cylinder 3 is arranged on one side of the upper part of the spindle box 2, the output shaft of the rotary oil cylinder 3 is fixedly connected with a main shaft 4, the main shaft 4 is rotatably fitted in the spindle box 2, one end of the main shaft 4 is fixedly connected with a hydraulic chuck, the hydraulic chuck is located between the rotary oil cylinder 3 and the limiting mechanism, the workpiece can be clamped and fixed by the hydraulic chuck, then the rotary oil cylinder 3 is controlled to work to drive the main shaft 4 and the hydraulic chuck to rotate, so as to realize the rotation of the workpiece.

[0031] AsFigure 1 As shown in the drawings, the position limiting mechanism of the embodiment comprises a sliding base 6 slidingly fitted on the upper part of the casting frame 1, a tailstock body 7 is arranged on the upper side of the sliding base 6, and a hydraulic tailstock 8 is arranged on the upper part of the tailstock body 7. The workpiece is abutted by the hydraulic tailstock 8, so as to improve the stability of the workpiece during rotation.

[0032] As shown in the drawings, Figure 1 The upper part of the casting frame 1 of the embodiment is provided with two electric guide rails 5, two output seats 501 are movably fitted on the electric guide rails 5, the output seats 501 are arranged on the lower part of the sliding base 6, and the length of the workpiece can be controlled to drive the sliding base 6 and the tailstock body 7 to displace, so as to adjust the distance between the hydraulic tailstock 8 and the hydraulic chuck.

[0033] As shown in the drawings, Figure 1 The X-axis adjusting mechanism of the embodiment comprises a base one 9 arranged on the upper part of the casting frame 1, a driving motor one is arranged on one side of the base one 9, a lead screw one is fixedly connected to the output shaft of the driving motor one, an inclined seat 12 is threadedly fitted on the circumferential side of the lead screw one at the lower part, two bearing seats one 10 are arranged on the upper part of the casting frame 1, and the end part of the lead screw one is rotatably fitted in the bearing seat one 10. The driving motor one is controlled to work to drive the lead screw one to rotate, so as to drive the inclined seat 12 to slide and displace, and the stability of the lead screw one during rotation is improved by the bearing seat one 10.

[0034] As shown in the drawings, Figure 1 , 2 The upper part of the casting frame 1 of the embodiment is provided with two track rods one 11, the base one 9 and the bearing seat one 10 are located between the two track rods one 11, and the lower part of the inclined seat 12 is slidingly fitted on the track rod one 11. The stability of the inclined seat 12 during sliding is improved by the track rod one 11, and the stress on the lead screw one is reduced.

[0035] As shown in the drawings, Figure 1 , 2 The inclined adjusting structure of the embodiment comprises a base two 13 arranged on the upper part of the inclined seat 12, a driving motor two is arranged on the upper part of the base two 13, a lead screw two is fixedly connected to the output shaft of the driving motor two, an inclined sliding table 15 is threadedly fitted on the circumferential side of the lead screw two at the lower part, two bearing seats two 14 are arranged on the upper side of the inclined seat 12, and the end part of the lead screw two is rotatably fitted in the bearing seat two 14. The driving motor two is controlled to work to drive the lead screw two to rotate, so as to drive the inclined sliding table 15 to slide and displace, and the stability of the lead screw two during rotation is improved by the bearing seat two 14.

[0036] As shown in the drawings, Figure 1As shown, two rail rods two 16 are arranged on the upper side of the inclined seat 12 of the embodiment, the seat two 13 and the bearing seat two 14 are located between the two rail rods two 16, and the lower part of the inclined sliding table 15 is slidingly fitted on the rail rods two 16, so that the stability of the inclined sliding table 15 during sliding is improved, and the stress on the screw rod two is reduced.

[0037] The utility model is not limited to the above-mentioned embodiment, any person should know the structural change made under the inspiration of the utility model, any technical scheme with the same or similar to the utility model falls into the protection scope of the utility model. The utility model is not described in detail, and the technical, shape and structure parts are all known technologies.

Claims

1. A high-rigidity CNC machine tool, characterized in that, The utility model relates to a casting frame (1), the upper portion of casting frame (1) is equipped with drive mechanism, limiting mechanism and X axle adjusting mechanism, and drive mechanism and limiting mechanism are located X axle adjusting mechanism one side, X axle adjusting mechanism upper sliding cooperation has the inclined seat (12), and the inclined seat (12) is equipped with the inclination adjusting structure, and the inclination adjusting structure upper sliding cooperation has the inclined slide (15), and the inclined slide (15) upper face is equipped with servo tool turret (17). Drive mechanism includes the main shaft box (2) equipped in the upper portion of casting frame (1), and the main shaft box (2) upper portion one side is equipped with rotary oil cylinder (3), and the rotary oil cylinder (3) output shaft is fixedly connected with main shaft (4), and one end of main shaft (4) is fixedly connected with hydraulic chuck.

2. A numerically controlled machine tool having high rigidity according to claim 1, wherein Limiting mechanism includes the sliding base (6) of sliding cooperation in the upper portion of casting frame (1), and the sliding base (6) upper side is equipped with tailstock body (7), and the tailstock body (7) upper portion is equipped with hydraulic tailstock (8).

3. A numerically controlled machine tool having high rigidity according to claim 1, wherein Casting frame (1) upper portion is equipped with two electric guide rails (5), and two output seats (501) are movably connected on the electric guide rails (5), and the output seat (501) is equipped in the lower portion of sliding base (6).

4. A numerically controlled machine tool having high rigidity according to claim 3, wherein X axle adjusting mechanism includes the machine base one (9) equipped in the upper portion of casting frame (1), and one side of machine base one (9) is equipped with drive motor one, and the output shaft of drive motor one is fixedly connected with screw rod one, and the lower portion of inclined seat (12) is threadedly connected on the circumferential side of screw rod one.

5. A high rigidity CNC machine tool according to claim 1, wherein Casting frame (1) upper portion is equipped with two track rods one (11), and the lower portion of inclined seat (12) is slidingly connected on the track rods one (11).

6. A numerically controlled machine tool having high rigidity according to claim 5, wherein Inclination adjusting structure includes the machine base two (13) equipped in the upper portion of inclined seat (12), and the upper portion of machine base two (13) is equipped with drive motor two, and the output shaft of drive motor two is fixedly connected with screw rod two, and the lower portion of inclined slide (15) is threadedly connected on the circumferential side of screw rod two.

7. A high rigidity CNC machine tool according to claim 1, wherein The upper side of inclined seat (12) is equipped with two track rods two (16), and the lower portion of inclined slide (15) is slidingly connected on the track rods two (16).

8. A numerically controlled machine tool having high rigidity according to claim 7, wherein ​