Automatic clamping device of numerical control lathe

By designing an automatic clamping device on a CNC lathe, and using transmission components and adjustment components to realize automatic positioning of the machining parts, the problem of machining position error is solved and the machining accuracy and efficiency are improved.

CN223210907UActive Publication Date: 2025-08-12JIANGSU MAYU AUTOMOTIVE FASTENER MFG CO LTD
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Patent Information

Application Number
CN202420719641.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-09
Publication Date
2025-08-12
Estimated Expiration
2034-04-09

AI Technical Summary

Technical Problem

The existing CNC lathe machining and clamping device cannot automatically adjust the position of the machining parts, resulting in machining position errors and affecting the use effect of the machining parts.

Method used

A CNC lathe automatic clamping device is designed. Through the first and second transmission components and adjustment components, the electric telescopic rod and bevel gear transmission system is used to realize automatic limiting and fixing of the machining parts to ensure that the machining parts are accurately positioned at the correction angle.

Benefits of technology

Improve the processing accuracy and working efficiency of the machining parts, avoid movement during the processing, and improve factory quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of numerical control lathes, and provides an automatic clamping device of a numerical control lathe, which comprises an operation table, two supporting columns are fixedly connected to the upper end of the operation table, a supporting plate is fixedly connected to the upper ends of the supporting columns, and a first transmission assembly is arranged at the lower end of the right side of the supporting plate and used for performing transmission limiting on machining. A first adjusting assembly is arranged at the lower end of the first transmission assembly and used for conducting limiting adjustment on one side of the machining assembly, a first fixing assembly is arranged at the upper end of the left side of the first adjusting assembly and used for fixing one side of a machined part, and a second transmission assembly is arranged on the left side of the first transmission assembly and used for conducting limiting adjustment on one side of the machined part. And a second adjusting assembly is arranged at the lower end of the second transmission assembly and used for conducting limiting adjustment on the other side of the machined part, so that the machined part can be automatically adjusted without manual adjustment, and the machining accuracy of the machined part in the later period is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled lathes, and in particular to an automatic clamping device for numerically controlled lathes. Background Art

[0002] CNC lathes are one of the most widely used CNC machine tools. They are mainly used for cutting inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with arbitrary taper angles, complex rotating inner and outer curved surfaces, and cylindrical and conical threads. They can also perform grooving, drilling, reaming, reaming and boring, etc.

[0003] A Chinese patent discloses a CNC lathe processing clamping device, with the publication number CN218312077U. The article proposes "a CNC lathe processing clamping device, comprising a bottom plate, a side plate and a top plate, wherein the side plates are mounted on the upper ends of both sides of the bottom plate, and the top plate is mounted on the upper ends of the side plates, and further comprising: a clamping assembly for clamping a workpiece, wherein the clamping assembly is mounted between the bottom plate and the top plate, and the clamping assembly comprises a screw rod 1 and a screw rod 2, wherein the screw rod 1 and the screw rod 2 are respectively rotatably mounted between the bottom plate and the top plate, and a motor is mounted on the upper end of the top plate, wherein two motors are provided, wherein the output end of one motor is connected to the screw rod 1, and the output end of the other motor is connected to the screw rod 2. The beneficial effect of the utility model is that: by clamping the workpiece on the upper side of the clamping assembly The above-mentioned utility model controls the horizontal and vertical movement of the clamping plate, so that the clamping plate can be fixed on the upper end of the workpiece more stably, thereby fixing the workpiece. However, the device fixes the workpiece in the processing position by vertically fixing the workpiece. However, when the workpiece is placed in the wrong position by the operator, the device cannot adjust the position of the workpiece, resulting in an incorrect position in the later processing, which makes the completed workpiece unusable. Therefore, it is very necessary to design an automatic clamping device for CNC lathes. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic clamping device for a CNC lathe, which solves the problem in the related art that when the workpiece is placed in the wrong position by the operator, the device cannot adjust the position of the workpiece, resulting in an incorrect subsequent processing position and the completed workpiece cannot be used.

[0005] The technical solution of the utility model is as follows:

[0006] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other, and said linking rod is pivotally connected to said sliding plate, and said linking rod is pivotally connected to said sliding plate. said linking rod is pivotally connected to said sliding plate

[0007] Preferably, the first transmission assembly includes a working box fixedly connected to the outer wall of the top end of the support plate, a motor is installed inside the working box, the output end of the motor is fixedly connected to a first screw rod, the outer wall of the first screw rod is fixedly connected to a first bevel gear, and a first threaded ring is provided at the front end of the first bevel gear, and the first threaded ring is threadedly connected to the outer wall of the first screw rod.

[0008] Preferably, the first transmission assembly also includes a first sliding groove opened on the outer wall of the bottom end of one side of the support plate, the inner wall of the first sliding groove is slidably connected to the first sliding rod, the bottom end of the first sliding rod is fixedly connected to the outer wall of the first threaded ring, the outer wall of one end of the first screw rod is rotatably connected to the first shaft sleeve, and the top end of the first shaft sleeve is fixedly connected to the outer wall of the bottom end of the support plate.

[0009] Preferably, the first adjustment assembly includes a first connecting rod fixedly connected to the left outer wall of the first threaded ring, the bottom end of the first connecting rod is fixedly connected to the first electric telescopic rod, and the output end of the first electric telescopic rod is fixedly connected to the first adjustment plate.

[0010] Preferably, the first fixing assembly includes a second electric telescopic rod fixedly connected to the outer wall of the top end of the first adjustment plate, the output end of the second electric telescopic rod is fixedly connected to the first U-shaped rod, and the bottom surfaces of both ends of the first U-shaped rod are fixedly connected to the first fixing seat.

[0011] Preferably, the second transmission assembly includes a second bevel gear meshed with an outer wall of one side of the first bevel gear, the inner wall of the second bevel gear is fixedly connected to the second screw rod, the outer wall of the second screw rod is threadedly connected to the second threaded ring, the top outer wall of the second threaded ring is fixedly connected to the second sliding rod, the outer wall of the rear bottom end of the support plate is provided with a second sliding groove, the second sliding rod and the second sliding groove are slidably connected, the outer wall of one end of the second screw rod is rotatably connected to the second shaft sleeve, and the top end of the second shaft sleeve is fixedly connected to the bottom end of the support plate.

[0012] Preferably, the second adjustment assembly includes a second connecting rod fixedly connected to the outer wall of the front end of the second threaded ring, the bottom end of the second connecting rod is fixedly connected to the third electric telescopic rod, and the bottom end of the third electric telescopic rod is fixedly connected to the second adjustment plate.

[0013] Preferably, the second fixing assembly includes a fourth electric telescopic rod fixedly connected to the outer wall of the upper end of the second adjustment plate, the top of the fourth electric telescopic rod is fixedly connected to the second U-shaped rod, and the bottom surfaces of both ends of the second U-shaped rod are fixedly connected to the second fixing seat.

[0014] Beneficial effects of the utility model:

[0015] 1. The front end of the workpiece is pushed and fixed by the first adjustment plate, so that the rear end of the workpiece is fitted with the front inner wall of the correction block. At the same time, the left end of the workpiece is pushed and fixed by the second adjustment plate, so that the right end of the workpiece is fitted with the left inner wall of the correction block, so that the workpiece can be automatically adjusted without manual adjustment, thereby improving the accuracy of the later processing of the workpiece and the working efficiency of the device. At the same time, by fixing the front upper end outer wall of the workpiece and the left upper end outer wall of the workpiece, the movement of the workpiece during the processing is avoided, thereby improving the factory quality of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic diagram of the front-view three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model when viewed from above;

[0019] Figure 3 This is a schematic diagram of the rear-view stereoscopic structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the first transmission assembly and the second transmission assembly of the utility model;

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of the second fixing component of the present invention;

[0022] In the figure: 1. Operating table; 2. Support pillar; 3. Support plate; 4. First transmission assembly; 401. Motor; 402. First bevel gear; 403. First screw rod; 404. First threaded ring; 405. First slide rod; 406. First slide groove; 407. First sleeve; 5. First adjustment assembly; 501. First connecting rod; 502. First electric telescopic rod; 503. First adjustment plate; 6. First fixing assembly; 601. Second electric telescopic rod; 602. First U-shaped rod ; 603, first fixed seat; 7, second transmission assembly; 701, second bevel gear; 702, second screw rod; 703, second threaded ring; 704, second slide rod; 705, second slide groove; 706, second sleeve; 8, second adjustment assembly; 801, second connecting rod; 802, third electric telescopic rod; 803, second adjustment plate; 9, second fixed assembly; 901, fourth electric telescopic rod; 902, second U-shaped rod; 903, second fixed seat; 10, correction. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] like Figure 1-5 As shown, this embodiment proposes an automatic clamping device for a CNC lathe, including an operating table 1, the upper end of the operating table 1 is fixedly connected to two pillars 2, the upper ends of the pillars 2 are fixedly connected to a support plate 3, the lower right end of the support plate 3 is provided with a first transmission component 4 for transmission limit of processing, the lower end of the first transmission component 4 is provided with a first adjustment component 5 for limit adjustment of one side of the processing component, the upper left end of the first adjustment component 5 is provided with a first fixing component 6 for fixing one side of the workpiece, and the left side of the first transmission component 4 is provided with a second transmission component 7 , used to limit the transmission of the other side of the workpiece, the lower end of the second transmission component 7 is provided with a second adjustment component 8, which is used to limit and adjust the other side of the workpiece, and the front upper end of the second adjustment component 8 is provided with a second fixing component 9, which is used to fix the other side of the workpiece. The outer wall of the bottom end of the right side of the operating table 1 is fixedly connected with a correction angle 10, which is a corner fixed to the rear end of the right side of the operating table 1. At the same time, the internal surfaces of the correction angle 10 are two vertical surfaces, which makes it convenient for the workpiece to fit with the inner wall of the correction angle 10 when it automatically moves and returns to its position, thereby facilitating positioning.

[0025] like Figure 2-4 As shown, the first transmission assembly 4 includes a working box fixedly connected to the outer wall of the top end of the support plate 3, and a motor 401 is installed inside the working box. The output end of the motor 401 is fixedly connected to the first screw rod 403, and the outer wall of the first screw rod 403 is fixedly connected to the first bevel gear 402. The front end of the first bevel gear 402 is provided with a first threaded ring 404, and the first threaded ring 404 is threadedly connected to the outer wall of the first screw rod 403. The first transmission assembly 4 also includes a first sliding groove 406 opened on the outer wall of the bottom end of one side of the support plate 3, and the inner wall of the first sliding groove 406 is slidably connected to the first sliding rod 405. The bottom end of the first sliding rod 405 is fixedly connected to the outer wall of the first threaded ring 404, and the outer wall of one end of the first screw rod 403 is rotatably connected to the first shaft sleeve 407. The top of the first shaft sleeve 407 is fixedly connected to the outer wall of the bottom end of the support plate 3. The first adjustment assembly 5 includes a first connecting rod 501 fixedly connected to the left outer wall of the first threaded ring 404 The bottom end of the first connecting rod 501 is fixedly connected to the first electric telescopic rod 502, and the output end of the first electric telescopic rod 502 is fixedly connected to the first adjustment plate 503. The first fixing assembly 6 includes a second electric telescopic rod 601 fixedly connected to the outer wall of the top end of the first adjustment plate 503, and the output end of the second electric telescopic rod 601 is fixedly connected to the first U-shaped rod 602. The bottom surfaces of both ends of the first U-shaped rod 602 are fixedly connected to the first fixing seats 603, and the bottom surfaces of both ends of the first U-shaped rod 602 are fixed to the first fixing seats 603. At the same time, the bottom surface of the first fixing seat 603 is fixedly connected to the buffer pad to avoid damage caused by excessive extrusion when the workpiece is fixed. By fixing the front end and left end of the workpiece, the workpiece can automatically move to the correction angle 10 under the movement of the first adjustment plate 503 and the second adjustment plate 803, thereby avoiding displacement of the workpiece caused during the processing and positioning the workpiece at the same time.

[0026] like Figure 3-5As shown, the second transmission assembly 7 includes a second bevel gear 701 meshingly connected to the outer wall of one side of the first bevel gear 402, the inner wall of the second bevel gear 701 is fixedly connected to the second screw rod 702, the outer wall of the second screw rod 702 is threadedly connected to the second threaded ring 703, the top outer wall of the second threaded ring 703 is fixedly connected to the second slide rod 704, the outer wall of the rear bottom end of the support plate 3 is provided with a second slide groove 705, the second slide rod 704 and the second slide groove 705 are slidably connected, the outer wall of one end of the second screw rod 702 is rotatably connected to the second shaft sleeve 706, the top of the second shaft sleeve 706 is fixedly connected to the bottom end of the support plate 3, the second adjustment assembly 8 includes a second connecting rod 801 fixedly connected to the outer wall of the front end of the second threaded ring 703, and the bottom end of the second connecting rod 801 is fixedly connected to the third electric telescopic rod 802 The bottom end of the third electric telescopic rod 802 is fixedly connected to the second adjustment plate 803. The second fixing assembly 9 includes a fourth electric telescopic rod 901 fixedly connected to the outer wall of the upper end of the second adjustment plate 803. The top of the fourth electric telescopic rod 901 is fixedly connected to the second U-shaped rod 902. The bottom surfaces of both ends of the second U-shaped rod 902 are fixedly connected to the second fixing seats 903. The bottom surfaces of both ends of the second U-shaped rod 902 are fixed to the second fixing seats 903. At the same time, the bottom end of the second fixing seat 903 is fixedly connected to the buffer member to reduce damage to the workpiece caused by excessive extrusion. The upper outer wall of the front end and the upper outer wall of the left end of the workpiece are fixed by the first fixing seat 603 and the second fixing seat 903, so that the fixing range of the first fixing seat 603 and the second fixing seat 903 form a triangular area to prevent the workpiece from sliding.

[0027] In this embodiment, when in use, the workpiece to be processed is first placed on the operating table 1, and the first electric telescopic rod 502 is controlled to make the output end of the first electric telescopic rod 502 move downward, and the output end of the first electric telescopic rod 502 drives the first adjustment plate 503 to move downward, so that the bottom surface of the first adjustment plate 503 is in contact with the top surface of the operating table 1. At the same time, the output end of the third electric telescopic rod 802 is controlled to move downward, so that the output end of the third electric telescopic rod 802 drives the second adjustment plate 803 to move downward, so that the right outer wall of the second adjustment plate 803 is in contact with the left surface of the workpiece, and the motor 401 is started, so that the motor 401 drives the first screw rod 4 03 rotates, drives the first threaded ring 404 to move through the first screw rod 403, drives the first sliding rod 405 to move on the first sliding groove 406 through the first threaded ring 404, and at the same time drives the first connecting rod 501 to move backward through the first threaded ring 404, drives the first electric telescopic rod 502 to move backward through the first connecting rod 501, drives the first adjusting plate 503 to move backward through the first electric telescopic rod 502, so that the first adjusting plate 503 drives the workpiece to move backward, and at the same time the first screw rod 403 drives the first bevel gear 402 to rotate, drives the second bevel gear 701 to mesh and rotate through the first bevel gear 402, and drives the second bevel gear 701 to mesh and rotate through the second bevel gear 701. The second screw rod 702 rotates, and the second screw rod 702 drives the second threaded ring 703 to move, and the second threaded ring 703 drives the second slide rod 704 to move rightward on the second slide groove 705. At the same time, the second threaded ring 703 drives the second connecting rod 801 to move rightward, and the second connecting rod 801 drives the third electric telescopic rod 802 to move rightward, and the third electric telescopic rod 802 drives the second adjustment plate 803 to move rightward, and the second adjustment plate 803 drives the workpiece to move rightward, so that the workpiece moves backward and rightward at the same time, so that the workpiece automatically moves toward the correction angle 10, so that one corner of the workpiece fits the inner angle of the correction angle 10. The motor 401 is turned off, and the output end of the second electric telescopic rod 601 is controlled to move downward. The second electric telescopic rod 601 drives the first U-shaped rod 602 to move downward, so that the first fixing seats 603 at both ends of the first U-shaped rod 602 move downward until they are in contact with the top surface of the front end of the workpiece, thereby fixing the top surface of the front end of the workpiece. At the same time, the output end of the fourth electric telescopic rod 901 is controlled to move downward. The output end of the fourth electric telescopic rod 901 drives the second U-shaped rod 902 to move downward, and the second fixing seats 903 at both ends of the second U-shaped rod 902 are driven by the second U-shaped rod 902 to move downward until they are in contact with the top surface of the left side of the workpiece, thereby fixing the left side of the workpiece.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic clamping device for a CNC lathe, comprising an operating table (1), characterized in that: The upper end of the operating table (1) is fixedly connected to two pillars (2), the upper end of the pillar (2) is fixedly connected to a support plate (3), the lower end of the right side of the support plate (3) is provided with a first transmission component (4) for transmission limiting the processing, the lower end of the first transmission component (4) is provided with a first adjustment component (5) for limiting the adjustment of one side of the processing component, the upper left end of the first adjustment component (5) is provided with a first fixing component (6) for fixing one side of the processing part, the left side of the first transmission component (4) is provided with a second transmission component (7) for transmission limiting the other side of the processing part, the lower end of the second transmission component (7) is provided with a second adjustment component (8) for limiting the adjustment of the other side of the processing part, the upper front end of the second adjustment component (8) is provided with a second fixing component (9) for fixing the other side of the processing part, and the outer wall of the bottom end of the right side of the operating table (1) is fixedly connected with a correction angle (10).

2. The automatic clamping device for a CNC lathe according to claim 1, characterized in that: The first transmission assembly (4) comprises a working box fixedly connected to the outer wall of the top end of the support plate (3); a motor (401) is installed inside the working box; an output end of the motor (401) is fixedly connected to a first screw rod (403); an outer wall of the first screw rod (403) is fixedly connected to a first bevel gear (402); a first threaded ring (404) is provided at the front end of the first bevel gear (402); and the first threaded ring (404) is threadedly connected to the outer wall of the first screw rod (403).

3. The automatic clamping device for a CNC lathe according to claim 2, characterized in that: The first transmission assembly (4) further comprises a first slide groove (406) provided on the outer wall of the bottom end of one side of the support plate (3); the inner wall of the first slide groove (406) is slidably connected to a first slide rod (405); the bottom end of the first slide rod (405) is fixedly connected to the outer wall of the first threaded ring (404); the outer wall of one end of the first screw rod (403) is rotatably connected to a first shaft sleeve (407); the top end of the first shaft sleeve (407) is fixedly connected to the outer wall of the bottom end of the support plate (3).

4. The automatic clamping device for a CNC lathe according to claim 2, characterized in that: The first adjustment assembly (5) comprises a first connecting rod (501) fixedly connected to the left outer wall of the first threaded ring (404); the bottom end of the first connecting rod (501) is fixedly connected to a first electric telescopic rod (502); and the output end of the first electric telescopic rod (502) is fixedly connected to a first adjustment plate (503).

5. The automatic clamping device for a CNC lathe according to claim 4, characterized in that: The first fixing assembly (6) comprises a second electric telescopic rod (601) fixedly connected to the outer wall of the top end of the first adjustment plate (503); the output end of the second electric telescopic rod (601) is fixedly connected to the first U-shaped rod (602); and the outer sides of the bottom surfaces of both ends of the first U-shaped rod (602) are fixedly connected to the first fixing seat (603).

6. The automatic clamping device for a CNC lathe according to claim 2, characterized in that: The second transmission assembly (7) includes a second bevel gear (701) meshedly connected to the outer wall of one side of the first bevel gear (402), the inner wall of the second bevel gear (701) is fixedly connected to a second screw rod (702), the outer wall of the second screw rod (702) is threadedly connected to a second threaded ring (703), the top outer wall of the second threaded ring (703) is fixedly connected to a second slide rod (704), the rear bottom outer wall of the support plate (3) is provided with a second slide groove (705), the second slide rod (704) and the second slide groove (705) are slidably connected, the outer wall of one end of the second screw rod (702) is rotatably connected to a second shaft sleeve (706), and the top end of the second shaft sleeve (706) is fixedly connected to the bottom end of the support plate (3).

7. The automatic clamping device for a CNC lathe according to claim 6, characterized in that: The second adjustment assembly (8) comprises a second connecting rod (801) fixedly connected to the outer wall of the front end of the second threaded ring (703); the bottom end of the second connecting rod (801) is fixedly connected to a third electric telescopic rod (802); and the bottom end of the third electric telescopic rod (802) is fixedly connected to a second adjustment plate (803).

8. The automatic clamping device for a CNC lathe according to claim 7, characterized in that: The second fixing assembly (9) comprises a fourth electric telescopic rod (901) fixedly connected to the outer wall of the upper end of the second adjustment plate (803); the top end of the fourth electric telescopic rod (901) is fixedly connected to the second U-shaped rod (902); and the bottom surfaces of both ends of the second U-shaped rod (902) are fixedly connected to the second fixing base (903).

Citation Information

Patent Citations

  • Clamping device for numerical control lathe machining

    CN218312077U