Lathe clamping device

By designing a lathe clamping assembly driven by a single electric push rod, the problem of the complex structure of the existing lathe clamp is solved, achieving stable fixation of the workpiece and ease of operation.

CN222386381UActive Publication Date: 2025-01-24TIANJIN GUANGYU CNC EQUIP MFG CO LTD
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Patent Information

Application Number
CN202420073936.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-12
Publication Date
2025-01-24
Estimated Expiration
2034-01-12

AI Technical Summary

Technical Problem

The existing lathe fixture has a complex structure and requires two electric push rods to drive two clamping plates close to the inner wall of the workpiece, resulting in inconvenient operation.

Method used

Design a lathe clamping device. By setting the holding component, a electric push rod is used to drive the clipplane to fix the inner wall of the workpiece. The structure is simple and convenient to operate.

Benefits of technology

The workpiece is achieved stable and fixed, avoiding the movement or rotation of the workpiece during processing, and simplifying the operating process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a lathe clamping device, and belongs to the technical field of lathes. Comprising a lathe workbench, a containing cylinder is fixedly connected to the lathe workbench through a fixing plate, a clamping assembly is arranged between the lathe workbench and the containing cylinder, and the clamping assembly comprises a connecting rod, a fixing column, two moving plates, a clamping plate, an electric push rod and an auxiliary assembly. The fixed column is fixedly connected to a lathe workbench, the connecting rod is arranged above the fixed column and rotationally connected with the fixed column, the two movable plates are arranged on the two sides of the upper end of the connecting rod respectively and rotationally connected with the connecting rod, and the lower ends of the movable plates are slidably connected with the lathe workbench. Through the arrangement of the clamping assembly, the electric push rod is used for driving the clamping plate to fix the inner wall of the workpiece, the structure is simple, and operation is convenient.
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Description

Technical Field

[0001] The utility model provides a lathe clamping device and belongs to the technical field of lathes. Background Art

[0002] Lathe is one of the most widely used machine tools. It is mainly used for cutting inner and outer cylindrical surfaces of shaft parts or disk parts, inner and outer conical surfaces of arbitrary taper angles, complex rotational inner and outer curved surfaces, and cylindrical and conical threads. It can also perform grooving, drilling, reaming, reaming and boring. The clamping device of the lathe is usually used to fasten the workpiece to maintain a stable processing position. Its main purpose is to ensure that the workpiece remains in a fixed position during the turning process to prevent the workpiece from moving or rotating.

[0003] Based on the above, the inventors found that:

[0004] Most of the clamps in the prior art are external clamps, that is, the outer wall of the workpiece is clamped and fixed with a clamping plate. There are also clamps on the inner side of the workpiece, but most of them are double-controlled, that is, two electric push rods respectively drive two clamping plates close to the inner wall of the workpiece, and the structure is complex.

[0005] Therefore, in view of this, the existing structure is studied and improved, and a lathe clamping device is proposed to solve the above-mentioned problems. Summary of the invention

[0006] The utility model provides a lathe clamping device, which, through the arrangement of a clamping assembly, utilizes an electric push rod to drive a clamping plate to fix the inner wall of a workpiece, has a simple structure and is easy to operate.

[0007] In order to solve the above-mentioned problem, the utility model proposes a technical solution: a lathe clamping device, including a lathe worktable, characterized in that a placing cylinder is fixedly connected to the lathe worktable through a fixed plate, a clamping assembly is arranged between the lathe worktable and the placing cylinder, the clamping assembly includes a connecting rod, a fixed column, two movable plates, a clamping plate, an electric push rod, and an auxiliary assembly, the fixed column is fixedly connected to the lathe worktable and the connecting rod is placed above the fixed column and rotatably connected to the fixed column, the two movable plates are respectively placed on both sides of the upper end of the connecting rod and are rotatably connected to the connecting rod, and the lower end of the movable plate is slidably connected to the lathe worktable.

[0008] Furthermore, the two movable plates respectively include plate one, a connecting plate, and a fixed block. The two connecting plates are respectively rotatably connected to the two ends of the connecting rod. The connecting plate is placed on one side of plate one and fixedly connected thereto. The fixed block is placed on the upper end of plate one and fixedly connected thereto.

[0009] Furthermore, a groove is provided in the middle of the placing tube, a workpiece is placed in the groove, limiting grooves are provided on both sides of the inner wall of the workpiece and a clamping plate is placed in the limiting grooves, and the clamping plate is placed on the upper end of the fixing block and fixedly connected to it.

[0010] Furthermore, the auxiliary component includes mounting plate one, mounting plate two, a slide rod, and a spring. The two fixed blocks are provided with through holes and the slide rod is placed in the through holes. The two ends of the slide rod are respectively fixedly connected to mounting plate one and mounting plate two. The spring is placed on the outside of the slide rod and the two ends of the spring are respectively fixedly connected to the two fixed blocks.

[0011] Furthermore, a slide groove is provided on the lathe workbench, and a slider adapted to the slide groove is fixedly connected to a lower end of the plate, and the slider is slidably connected in the slide groove. The electric push rod is fixedly connected to one side of the mounting plate and the other end of the electric push rod is fixedly connected to one side of the plate.

[0012] Due to the adoption of the above technical scheme, the beneficial effect of the lathe clamping device of the utility model is: by starting an electric push rod to cooperate with the movement of the movable plate, and then placing the workpiece into the inner side of the groove, the inner side of the workpiece is fixed by the clamping plate, and there is no need for two electric push rods to drive separately, the structure is simple, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a three-dimensional diagram of a lathe clamping device of the utility model.

[0015] Figure 2 It is a partial three-dimensional diagram of a lathe clamping device of the utility model.

[0016] Figure 3 The utility model is a three-dimensional lathe clamping device for placing a cylinder Figure 1 .

[0017] Figure 4 The utility model is a three-dimensional lathe clamping device for placing a cylinder Figure 2 .

[0018] Figure 5 The utility model is a top view of a lathe clamping device.

[0019] In the figure:

[0020] 1. Lathe workbench; 2. Fixed plate; 3. Placement cylinder; 4. Connecting rod; 5. Fixed column; 6. Moving plate; 7. Clamping plate; 8. Electric push rod; 9. Groove; 10. Workpiece; 11. Limiting groove; 12. Mounting plate 1; 13. Mounting plate 2; 14. Slide rod; 15. Spring; 16. Slide groove; 17. Plate 1; 18. Connecting plate; 19. Fixed block; 19. Fixed block. Implementation

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The present application fully explains the problems of the prior art in the technical background, and there are no superordinate or general problems. The problems to be solved by the present application are described in detail in the following utility model content and specific implementation methods, the technical problems to be solved by the technical scheme are clarified, and it is determined that the technical scheme of the present application has beneficial effects relative to the objective prior art.

[0023] See also Figure 1-5 As shown: the utility model provides a lathe clamping device: it includes a lathe workbench 1, a placing cylinder 3 is fixedly connected to the lathe workbench 1 through a fixed plate 2, a clamping assembly is arranged between the lathe workbench 1 and the placing cylinder 3, the clamping assembly includes a connecting rod 4, a fixed column 5, two movable plates 6, a clamping plate 7, an electric push rod 8, and an auxiliary assembly, the fixed column 5 is fixedly connected to the lathe workbench 1 and the connecting rod 4 is placed above the fixed column 5 and is rotatably connected to the fixed column 5, a groove 9 is arranged in the middle of the placing cylinder 3, a workpiece 10 is placed in the groove 9, limiting grooves 11 are respectively arranged on both sides of the inner wall of the workpiece 10 and the clamping plate 7 is placed in the limiting groove 11, the clamping plate 7 is placed on the upper end of the fixed block 19 and is fixedly connected to it, the two movable plates 6 are respectively placed on both sides of the upper end of the connecting rod 4 and are rotatably connected to the connecting rod 4, and the lower end of the movable plate 6 is slidably connected to the lathe workbench 1.

[0024] The two movable plates 6 respectively include a plate 17, a connecting plate 18, and a fixed block 19. The two connecting plates 18 are respectively rotatably connected to the two ends of the connecting rod 4. The connecting plate 18 is placed on one side of the plate 17 and fixedly connected thereto. The fixed block 19 is placed on the upper end of the plate 17 and fixedly connected thereto. A slide groove 16 is provided on the lathe workbench. A slider adapted to the slide groove 16 is fixedly connected to the lower end of the plate 17. The slider is slidably connected in the slide groove 16. The electric push rod 8 is fixedly connected to the side of the mounting plate 12 and the other end of the electric push rod 8 is fixedly connected to the side of the plate 17.

[0025] The auxiliary component includes a mounting plate 12, a mounting plate 13, a slide rod 14, and a spring 15. The two fixing blocks 19 are provided with a through hole 20 and the slide rod 14 is placed in the through hole 20. The two ends of the slide rod 14 are respectively fixedly connected to the mounting plate 12 and the mounting plate 2 13. The spring 15 is placed on the outside of the slide rod 14 and the two ends of the spring 15 are respectively fixedly connected to the two fixing blocks 19.

[0026] The principle of the lathe clamping device of the utility model is as follows: when the utility model is used, it needs to be matched with the main structure of the workpiece processing, the fixing plates are respectively placed on both sides of the lower end of the placing cylinder and fixedly connected thereto, and the lower end of the fixing plate is fixedly connected to the lathe workbench, such as Figure 1 , 2 As shown, the electric push rod is started to lengthen, and the push plate moves. Because the connecting rod is forwardly connected to the fixed column, the two connecting plates are respectively connected to the two ends of the connecting rod in rotation. Therefore, when the plate is pushed, the two moving plates approach each other, and the two fixed blocks move on the slide rod to squeeze the spring, and the slide block moves in the slide slot, and then the workpiece is placed in the groove, and the electric push rod returns to normal, and the clamping plate is stuck in the limit slot to fix the inner side of the workpiece. The utility model uses an electric push rod to drive the clamping plate to fix the inner wall of the workpiece through the setting of the clamping component, and the structure is simple and easy to operate.

[0027] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A lathe clamping device, comprising a lathe worktable (1), characterized in that: A placement cylinder (3) is fixedly connected to the lathe workbench (1) via a fixed plate (2); a clamping assembly is arranged between the lathe workbench (1) and the placement cylinder (3); the clamping assembly comprises a connecting rod (4), a fixed column (5), two movable plates (6), a clamping plate (7), an electric push rod (8), and an auxiliary assembly; the fixed column (5) is fixedly connected to the lathe workbench (1) and the connecting rod (4) is placed above the fixed column (5) and is rotatably connected to the fixed column (5); the two movable plates (6) are respectively placed on both sides of the upper end of the connecting rod (4) and are rotatably connected to the connecting rod (4); and the lower end of the movable plate (6) is slidably connected to the lathe workbench (1).

2. A lathe clamping device according to claim 1, characterized in that: The two movable plates (6) respectively comprise a plate one (17), a connecting plate (18), and a fixed block (19); the two connecting plates (18) are respectively rotatably connected to the two ends of the connecting rod (4); the connecting plate (18) is placed on one side of the plate one (17) and fixedly connected thereto; and the fixed block (19) is placed on the upper end of the plate one (17) and fixedly connected thereto.

3. A lathe clamping device according to claim 2, characterized in that: A groove (9) is provided in the middle of the placement cylinder (3), a workpiece (10) is placed in the groove (9), limiting grooves (11) are provided on both sides of the inner wall of the workpiece (10), and a clamping plate (7) is placed in the limiting grooves (11), and the clamping plate (7) is placed on the upper end of the fixing block (19) and fixedly connected thereto.

4. A lathe clamping device according to claim 2, characterized in that: The auxiliary component comprises a mounting plate 1 (12), a mounting plate 2 (13), a slide bar (14), and a spring (15); the two fixing blocks (19) are provided with through holes (20) and the slide bar (14) is placed in the through holes (20); the two ends of the slide bar (14) are respectively fixedly connected to the mounting plate 1 (12) and the mounting plate 2 (13); the spring (15) is placed outside the slide bar (14) and the two ends of the spring (15) are respectively fixedly connected to the two fixing blocks (19).

5. A lathe clamping device according to claim 2, characterized in that: A slide groove (16) is provided on the lathe workbench, a slider adapted to the slide groove (16) is fixedly connected to the lower end of the plate one (17), the slider is slidably connected in the slide groove (16), the electric push rod (8) is fixedly connected to the side of the mounting plate one (12) and the other end of the electric push rod (8) is fixedly connected to the side of the plate one (17).