Rotatable clamp

Abstract

The utility model provides a rotatable clamp which comprises a core shaft, a rotating shaft, a rotating shaft, a rotating shaft, a rotating shaft and a rotating shaft, the core shaft is provided with a through hole, and a workpiece is placed in the through hole; a driving wheel and a driven gear meshed with the driving wheel are installed in the gearbox, the mandrel is installed at the center of the driven gear in a penetrating and inserting mode, and the driving piece drives the driven gear to rotate through the driving wheel, so that a workpiece in a through hole of the mandrel rotates, and the workpiece can be machined by a milling machine conveniently; the clamp is simple in structure, low in manufacturing cost, free of replacement or debugging, wide in application range, low in requirement for proficiency of operators, high in production efficiency and capable of effectively stabilizing product quality and reducing labor intensity of the operators.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, in particular to a rotatable clamp. Background Art

[0002] With the development of the manufacturing industry, higher requirements are placed on the processing efficiency and precision of parts. Milling machines, as part processing equipment, require fixtures to fix workpieces 1. When the shape and size of the workpiece 1 to be processed changes, or the surface of the workpiece 1 to be processed has a certain slope, the fixture needs to be replaced or debugged, which is time-consuming and labor-intensive, seriously affecting the processing efficiency and increasing the production cost.

[0003] In view of this, it is necessary to provide a new type of rotatable clamp to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of the utility model is to provide a rotatable clamp with a simple structure, low manufacturing cost, no need to replace or debug the clamp, a wide range of applications, low operator proficiency requirements, high production efficiency, and the ability to effectively stabilize product quality and reduce operator labor intensity.

[0005] In order to achieve the above-mentioned object, the utility model provides a rotatable clamp, comprising: a mandrel, the mandrel having a through hole, and a workpiece is placed in the through hole;

[0006] A gear box is provided with a driving wheel and a driven gear meshing with the driving wheel, the core shaft is inserted and installed at the center of the driven gear, and the driving member drives the driven gear to rotate through the driving wheel, so that the workpiece in the through hole of the core shaft rotates, so that the milling machine can process the workpiece.

[0007] Preferably, a front positioning ring is installed at the front end of the through hole, and a rear positioning ring is installed at the rear end of the through hole.

[0008] Preferably, the outer sleeve of the core shaft is provided with a bearing, and the core shaft is rotatably mounted on the gear box via the bearing.

[0009] Preferably, a screw hole is provided on the gear box, the screw hole passes through the gear box and the core shaft, and the screw hole is perpendicular to the central axis of the core shaft.

[0010] Preferably, the rotatable clamp also includes a rotating assembly, which includes a cylinder, a cylinder connecting column, an adapter and a connecting rod; one end of the cylinder connecting column is connected to the cylinder, the adapter is rotatably connected to the other end of the cylinder, the connecting rod is fixedly connected to the adapter, and a rotating wheel is installed on the connecting rod.

[0011] Compared with the prior art, the beneficial effects are that the fixture has a simple structure, low manufacturing cost, no need to replace or debug the fixture, a wide range of applications, low operator proficiency requirements, high production efficiency, and can effectively stabilize product quality and reduce operator labor intensity.

[0012] Other features and advantages of the utility model will be stated in the following description, and some will be apparent from the description, or can be understood through the implementation of the utility model. The features and advantages of the utility model can be realized and obtained by the elements and combinations specifically pointed out in the attached application scope. These and other features of the utility model will become more clearly understood according to the following description and the attached claims, or can be understood through the implementation of the embodiments described in the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a schematic structural diagram of the rotatable clamp provided by the utility model.

[0015] Figure 2 for Figure 1 A schematic structural diagram of the rotatable clamp shown in another angle.

[0016] Figure numerals: 1, workpiece; 2, core shaft; 21, front positioning ring; 22, rear positioning ring; 23, bearing; 3, gear box; 31, driving wheel; 32, driven gear; 33, screw hole; 4, rotating assembly; 41, cylinder; 42, cylinder connecting column; 43, adapter; 44, connecting rod; 441, rotating wheel; 5, bolt. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and beneficial technical effect of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementation methods described in this specification are only for explaining the utility model, and are not intended to limit the utility model.

[0018] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0019] It should also be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be determined according to the specific circumstances.

[0020] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In addition, the meaning of "multiple" and "several" refers to two or more, unless otherwise clearly and specifically defined.

[0021] See also Figure 1 and Figure 2 The utility model provides a rotatable fixture for cooperating with a milling machine to process a workpiece 1 (such as a hub axle tube of an automobile), comprising: a mandrel 2, wherein the mandrel 2 has a through hole, and the workpiece 1 is placed in the through hole;

[0022] The gear box 3 has a driving wheel 31 and a driven gear 32 meshing with the driving wheel 31 installed inside the gear box 3. The mandrel 2 is inserted and installed at the center of the driven gear 32. The driving member (not shown) drives the driven gear 32 to rotate through the driving wheel 31, so that the workpiece 1 in the through hole of the mandrel 2 rotates accordingly, so that the milling machine can process the workpiece 1. It should be noted that in this embodiment, the driving member is a servo motor.

[0023] In a preferred embodiment, the front end of the through hole is equipped with a front positioning ring 21, and the rear end of the through hole is equipped with a rear positioning ring 22. When the workpiece 1 is placed in the through hole, the workpiece 1 can be kept balanced, and the workpiece 1 can be kept balanced in the through hole. Different positioning rings can also be replaced to meet the processing needs of different workpieces 1.

[0024] In a preferred embodiment, the outer sleeve of the mandrel 2 is provided with a bearing 23, and the mandrel 2 is rotatably mounted on the gear box 3 through the bearing 23. It should be noted that in this embodiment, the number of the bearings 23 is two, and the two bearings 23 are respectively located at the front end of the mandrel 2 and the rear end of the mandrel 2, so as to facilitate the balanced installation of the mandrel 2.

[0025] In a preferred embodiment, a screw hole 33 is formed on the gear box 3 , and the screw hole 33 passes through the gear box 3 and the core shaft 2 , and the screw hole 33 is perpendicular to the central axis of the core shaft 2 .

[0026] In a preferred embodiment, the rotatable clamp also includes a rotating assembly 4, which includes a cylinder 41, a cylinder connecting column 42, an adapter seat 43 and a connecting rod 44; one end of the cylinder connecting column 42 is connected to the cylinder 41, the adapter seat 43 is rotatably connected to the other end of the cylinder 41, the connecting rod 44 is fixedly connected to the adapter seat 43, and a rotating wheel 441 is installed on the connecting rod 44.

[0027] Clamping of workpiece 1: cylinder 41 extends through cylinder connecting column 42 to drive adapter 43 and connecting rod 44 to move in the direction close to screw hole 33, and inserts the head of connecting rod 44 into screw hole 33 and contacts bolt 5, then drives the head of connecting rod 44 to contact bolt 5 in screw hole 33 by rotating wheel 441 on connecting rod 44, and drives bolt 5 to tighten and clamp workpiece 1, and cylinder 41 pulls connecting rod 44 back through cylinder connecting column 42. Adapter 43 is fixedly connected to one end of connecting rod 44, and adapter 43 is rotatably connected to one end of cylinder connecting column 42, so that it can be ensured that when connecting rod 44 is driven to rotate by rotating wheel 441, cylinder connecting column 42 does not rotate.

[0028] Loosening the workpiece 1: After the milling machine completes processing of the workpiece 1, the cylinder 41 extends through the cylinder connecting column 42 to drive the head of the connecting rod 44 to be inserted into the bolt 5, and the wheel 441 is manually rotated to loosen the bolt 5 and separate from the workpiece 1.

[0029] The present invention is not limited to what is described in the specification and implementation modes, and therefore, additional advantages and modifications can be easily realized by those familiar with the art. Therefore, without departing from the spirit and scope of the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details, representative devices, and illustrative examples shown and described herein.

Claims

1. A rotatable clamp, characterized in that: include: A mandrel (2), wherein the mandrel (2) has a through hole, and the workpiece (1) is placed in the through hole; A gear box (3) is provided with a driving wheel (31) and a driven gear (32) meshing with the driving wheel (31). The core shaft (2) is inserted and installed at the center of the driven gear (32). The driving member drives the driven gear (32) to rotate through the driving wheel (31), so that the workpiece (1) in the through hole of the core shaft (2) rotates, so that the milling machine can process the workpiece (1).

2. The rotatable clamp according to claim 1, characterized in that A front positioning ring (21) is installed at the front end of the through hole, and a rear positioning ring (22) is installed at the rear end of the through hole.

3. The rotatable clamp according to claim 1, characterized in that: The outer sleeve of the core shaft (2) is provided with a bearing (23), and the core shaft (2) is rotatably mounted on the gear box (3) via the bearing (23).

4. The rotatable clamp according to claim 1, characterized in that: The gear box (3) is provided with a screw hole (33), the screw hole (33) passes through the gear box (3) and the core shaft (2), and the screw hole (33) is perpendicular to the central axis of the core shaft (2).

5. The rotatable clamp according to claim 1, characterized in that: The rotatable clamp also includes a rotating assembly (4), which includes a cylinder (41), a cylinder connecting column (42), an adapter seat (43) and a connecting rod (44); one end of the cylinder connecting column (42) is connected to the cylinder (41), the adapter seat (43) is rotatably connected to the other end of the cylinder (41), the connecting rod (44) is fixedly connected to the adapter seat (43), and a rotating wheel (441) is installed on the connecting rod (44).

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