Outer circle machining clamp of hollow shaft sleeve

Abstract

The utility model relates to the technical field of clamps, in particular to an outer circle machining clamp of a hollow shaft sleeve, which comprises a base, a supporting plate is fixedly connected above the base, a rotating sleeve is fixedly connected above the supporting plate, a tensioning mechanism is rotatably connected inside the rotating sleeve, and a connecting cover plate is mounted on one side of the tensioning mechanism. A positioning mechanism is installed on one side of the supporting plate and comprises a rotatable positioning ring, and a plurality of clamping grooves are formed in the positioning ring and used for positioning and connecting the cover plate. The positioning ring is designed, the multiple clamping grooves are formed in the positioning ring, and fixed angle gaps are formed between the clamping grooves, so that a user can quickly switch between the multiple clamping grooves through the connecting plate, and a workpiece is driven to quickly rotate and be positioned during machining. And one side of the positioning ring is meshed with the gear, the positioning ring can rotate at a precise angle through the gear, the positioning ring drives a workpiece to be machined at a small angle, and therefore the fineness of outer circle machining is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to an external circle machining clamp for a hollow shaft sleeve. Background Art

[0002] A hollow sleeve is a mechanical part, usually made of metal, used to support and protect the shaft in a mechanical system. It has a hollow interior design that allows the shaft to pass through it and provides good support and friction reduction. During the outer cylindrical machining of the sleeve, attention should be paid to ensuring the flatness, verticality and accuracy of the machined surface to ensure that it meets the design requirements.

[0003] After the existing machining fixture processes the outer circle, it is not convenient to switch between driving the workpiece for rapid face-changing processing and precision processing. Therefore, those skilled in the art provide a hollow sleeve outer circle machining fixture to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a hollow shaft sleeve outer circle processing fixture, including a base, a support plate is fixedly connected to the top of the base, a rotating sleeve is fixedly connected to the top of the support plate, a tensioning mechanism is rotatably connected inside the rotating sleeve, and a connecting cover plate is installed on one side of the tensioning mechanism. A positioning mechanism is installed on one side of the support plate, and the positioning mechanism includes a rotatable positioning ring, and a plurality of slots are opened on the positioning ring, and the slots are used to position the connecting cover plate.

[0005] Preferably: the positioning mechanism also includes a gear, a tooth groove is provided on the outer side of the positioning ring to mesh with the gear, the gear is rotatably connected to one side of the support plate, a worm wheel is fixedly connected to the outer side of the gear, and a worm is rotatably connected to one side of the support plate below the worm wheel.

[0006] Preferably: a cover plate is fixedly connected to one side of the support plate, a positioning ring is slidably connected to the cover plate, and the gear passes through the cover plate and meshes with the positioning ring.

[0007] Preferably, one side of the connecting cover plate is fixedly connected to a connecting plate, one end of the connecting plate is slidably connected to a handle, one side of the handle is fixedly connected to a clamping column, and the clamping column can be clamped in the clamping slot.

[0008] Preferably, the tensioning mechanism comprises a sleeve column, a screw rod is rotatably connected inside the sleeve column, moving blocks are symmetrically threadedly connected outside the screw rod, and a rotating plate is connected between the moving blocks.

[0009] Preferably, threads with opposite rotation directions are arranged at both ends of the screw rod, and the moving blocks are located on different threads.

[0010] Preferably: one end of the screw rod passes through the sleeve column and is equipped with a hand wheel.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model is designed with a positioning ring, and a plurality of slots are provided on the positioning ring. A fixed angle gap is formed between the slots. The user can quickly switch between the plurality of slots through a connecting plate, thereby driving the workpiece to rotate quickly during processing and quickly switching the processing surface.

[0013] 2. The utility model is designed with a positioning ring that meshes with a gear on one side. The positioning ring can be rotated at a precise angle through the gear. The positioning ring drives the workpiece to be processed at a smaller angle, thereby improving the precision of external cylindrical processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure provided by this application;

[0015] Figure 2 It is a structural schematic diagram of the tensioning mechanism provided by the present application;

[0016] Figure 3 It is a structural schematic diagram of the positioning mechanism provided by this application;

[0017] In the figure:

[0018] 1. Base; 2. Support plate; 3. Rotating sleeve; 4. Tensioning mechanism; 41. Sleeve column; 42. Screw rod; 43. Moving block; 44. Rotating plate; 5. Connecting cover plate; 51. Connecting plate; 52. Handle; 6. Positioning mechanism; 61. Gear; 62. Positioning ring; 63. Slot; 64. Worm wheel; 65. Worm. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0020] In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0021] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] See also Figures 1 to 3 In this embodiment, a fixture for machining the outer circle of a hollow shaft sleeve is provided, comprising a base 1, a support plate 2 is fixedly connected to the top of the base 1, a rotating sleeve 3 is fixedly connected to the top of the support plate 2, a tensioning mechanism 4 is rotatably connected inside the rotating sleeve 3, and a connecting cover plate 5 is installed on one side of the tensioning mechanism 4. A positioning mechanism 6 is installed on one side of the support plate 2, and the positioning mechanism 6 comprises a rotatable positioning ring 62, and a plurality of slots 63 are provided on the positioning ring 62, and the slots 63 are used to position the connecting cover plate 5.

[0023] When in use, through the slots 63 and the fixed angle gap formed between the slots 63, the user can quickly switch between multiple slots 63 by connecting the cover plate 5, thereby driving the workpiece to rotate quickly during processing and quickly switching the processing surface.

[0024] The positioning ring 62 is designed to be rotatable, thereby driving the connecting cover plate 5 to rotate together, the connecting cover plate 5 thereby drives the tensioning mechanism 4 to rotate, the tensioning mechanism 4 thereby drives the workpiece to rotate, and the positioning ring 62 is rotated at a precise angle, the positioning ring 62 thereby drives the workpiece to be processed at a smaller angle, thereby improving the precision of external cylindrical processing.

[0025] In further embodiments, see Figure 3 The positioning mechanism 6 also includes a gear 61, a tooth groove is provided on the outer side of the positioning ring 62 to mesh with the gear 61, the gear 61 is rotatably connected to one side of the support plate 2, a worm wheel 64 is fixedly connected to the outer side of the gear 61, and a worm 65 is rotatably connected to one side of the support plate 2 below the worm wheel 64. The worm 65 rotates to drive the worm wheel 64 to rotate, the worm wheel 64 rotates to drive the gear 61 to rotate, and the gear 61 rotates to drive the positioning ring 62 to rotate.

[0026] In further embodiments, see Figure 1 The support plate 2 is fixedly connected to one side with a cover plate, a positioning ring 62 is slidably connected to the cover plate, and a gear 61 passes through the cover plate and meshes with the positioning ring 62. The positioning ring 62 is limited and supported by the cover plate.

[0027] In further embodiments, see Figure 1The connecting cover plate 5 is fixedly connected to a connecting plate 51 on one side, a handle 52 is slidably connected to one end of the connecting plate 51, and a clamping column is fixedly connected to one side of the handle 52, and the clamping column can be clamped in the clamping groove 63. By moving the handle 52 toward the center of the connecting cover plate 52, the clamping column can be separated from the clamping groove 63, so that the connecting cover plate 52 can be rotated.

[0028] In further embodiments, see Figure 2 The tensioning mechanism 4 includes a sleeve column 41, a screw rod 42 is rotatably connected inside the sleeve column 41, a moving block 43 is symmetrically threadedly connected outside the screw rod 42, and a rotating plate 44 is connected between the moving blocks 43. The moving blocks 43 can be moved by rotating the screw rod 42, and the moving blocks 43 move closer to each other, so that the middle of the rotating plate 44 bulges, and the middle of the rotating plate 44 bulges to clamp the inside of the hollow sleeve.

[0029] In a further embodiment, threads with opposite rotation directions are arranged at both ends of the screw rod 42, and the moving blocks 43 are located on different threads, so that the moving blocks 43 move toward each other.

[0030] In further embodiments, see Figure 1 One end of the screw rod 42 passes through the sleeve column 41 and is provided with a hand wheel. The screw rod 42 is conveniently driven to rotate by the hand wheel.

[0031] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A fixture for machining the outer circle of a hollow sleeve, comprising a base (1), characterized in that: A support plate (2) is fixedly connected to the top of the base (1), a rotating sleeve (3) is fixedly connected to the top of the support plate (2), a tensioning mechanism (4) is rotatably connected inside the rotating sleeve (3), a connecting cover plate (5) is mounted on one side of the tensioning mechanism (4), a positioning mechanism (6) is mounted on one side of the support plate (2), the positioning mechanism (6) comprises a rotatable positioning ring (62), a plurality of slots (63) are formed on the positioning ring (62), and the slots (63) are used to position the connecting cover plate (5).

2. The outer circle machining fixture of a hollow sleeve according to claim 1, characterized in that: The positioning mechanism (6) further comprises a gear (61), a tooth groove is provided on the outer side of the positioning ring (62) and meshes with the gear (61), the gear (61) is rotatably connected to one side of the support plate (2), a worm wheel (64) is fixedly connected to the outer side of the gear (61), and a worm (65) is rotatably connected to one side of the support plate (2) below the worm wheel (64).

3. The outer circle machining fixture of a hollow sleeve according to claim 2, characterized in that: A cover plate is fixedly connected to one side of the support plate (2), a positioning ring (62) is slidably connected to the cover plate, and a gear (61) passes through the cover plate and meshes with the positioning ring (62).

4. The outer circle machining fixture of a hollow sleeve according to claim 1, characterized in that: One side of the connecting cover plate (5) is fixedly connected to a connecting plate (51), one end of the connecting plate (51) is slidably connected to a handle (52), one side of the handle (52) is fixedly connected to a clamping column, and the clamping column can be clamped in the clamping groove (63).

5. The outer circle machining fixture of a hollow sleeve according to claim 1, characterized in that: The tensioning mechanism (4) comprises a sleeve column (41), the sleeve column (41) is rotatably connected to a screw rod (42) inside, the screw rod (42) is symmetrically threadedly connected to a moving block (43) outside, and a rotating plate (44) is connected between the moving blocks (43).

6. The outer circle machining fixture of a hollow sleeve according to claim 5, characterized in that: The two ends of the screw rod (42) are provided with threads with opposite rotation directions, and the moving block (43) is located on different threads.

7. The outer circle machining fixture of a hollow sleeve according to claim 5, characterized in that: One end of the screw rod (42) passes through the sleeve column (41) and is equipped with a hand wheel.

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