Positioning device for shaft part machining

Abstract

The utility model discloses a positioning device for shaft part machining, which comprises a supporting seat, a mounting block is mounted at the top of the supporting seat, a protective cover is fixedly connected to the top of the mounting block, a mounting hole is formed in the inner wall of the mounting block, a fastening bolt is mounted on the inner wall of the mounting hole, and the protective cover is fixedly connected to the top of the mounting block. The inner wall of the protective cover is movably connected with a driving worm, and the device is provided with a supporting seat, a mounting block, the protective cover, a mounting hole, a fastening bolt, the driving worm, a supporting shaft, a driven worm gear, a movable disc, an extrusion groove, a guide groove, a sliding block, a sliding shaft, positioning blocks, a convex block and a rolling ball, so that the three positioning blocks are conveniently driven to move in the opposite direction or the opposite direction; according to the positioning device, the rolling balls are arranged on the positioning blocks, so that the positioning blocks conveniently clamp and position the shaft parts through the rolling balls, rotation of the parts can be guaranteed through the rolling balls after clamping, then machining work of the parts at different angles is facilitated, and using convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the shaft parts processing technical direction, concretely relates to a positioning device for shaft parts processing. BACKGROUND

[0002] Shaft parts are one of the typical parts often encountered in hardware fittings, which are mainly used to support transmission parts, transmit torque and bear load. According to different structural forms of shaft parts, they can be generally divided into three categories of smooth shaft, stepped shaft and special-shaped shaft, or solid shaft, hollow shaft, etc. A positioning device is needed when shaft parts are processed.

[0003] Since shaft parts are generally circular structures, the existing positioning device is inconvenient for processing at different angles when processing shaft parts, which leads to inconvenience in processing. This phenomenon has become a problem to be solved by personnel in the field. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a positioning device for shaft parts processing in view of the existing technology to solve the problems in the background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a positioning device for shaft parts processing, comprising a support seat, a mounting block is installed at the top of the support seat, a protective cover is fixedly connected to the top of the mounting block, a mounting hole is formed in the inner wall of the mounting block, a fastening bolt is installed in the inner wall of the mounting hole, a driving worm is movably connected to the inner wall of the protective cover, a support shaft is movably connected to the top of the support seat, a driven worm wheel and a movable disc are fixedly connected to the outer wall of the support shaft from bottom to top, an extrusion groove is formed in the top of the movable disc, a guide groove is formed in the top of the protective cover, a sliding block is movably connected to the inner wall of the guide groove, a slide shaft is fixedly connected to the bottom of the sliding block, a positioning block is fixedly connected to the top of the sliding block, a protruding block is fixedly connected to the inner wall of the positioning block, a rolling ball is movably connected to the inner wall of the protruding block, the support seat, the mounting block, the protective cover, the mounting hole, the fastening bolt, the driving worm, the support shaft, the driven worm wheel, the movable disc, the extrusion groove, the guide groove, the sliding block, the slide shaft, the positioning block, the protruding block and the rolling ball are provided, which facilitates the movement of the three positioning blocks towards or away from each other, thus facilitating the clamping and positioning of the shaft parts by the positioning block through the rolling ball, and after clamping, the rotation of the parts can be ensured by the rolling ball, which is conducive to the processing of the parts at different angles and improves the convenience in use.

[0006] Furthermore, the mounting block is fastened to the support seat by the fastening bolt, and the fastening bolt is connected to the support seat by a threaded groove, which facilitates the installation of the protective cover.

[0007] Furthermore, the active worm is connected to the driven worm wheel, and the movable disk forms a linkage structure with the driven worm wheel through the support shaft, which facilitates the active worm to drive the driven worm wheel to rotate, thereby driving the movable disk to rotate.

[0008] Furthermore, the extrusion grooves are distributed in an inclined shape, and are distributed at equal angles on the top of the movable disk. The bottom of the sliding shaft is located inside the extrusion groove, and the slider is slidably connected to the extrusion groove through the sliding shaft, which facilitates the sliding of the movable disk through the extrusion groove extrusion sliding shaft.

[0009] Furthermore, the slider is an I-shaped structure, and the slider is slidably connected to the protective cover through a guide groove, which facilitates guiding the slider.

[0010] Furthermore, the rolling ball is rotatably connected to the positioning block via the protrusions, and the protrusions are distributed at equal angles on the inner wall of the positioning block, which facilitates rotation after clamping.

[0011] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0012] (1) By providing a support seat, a mounting block, a protective cover, a mounting hole, a fastening bolt, an active worm, a support shaft, a driven worm gear, a movable plate, an extrusion groove, a guide groove, a slider, a sliding shaft, a positioning block, a protrusion and a rolling ball, it is convenient to drive the three positioning blocks to move toward or away from each other, so that the positioning blocks can clamp and position the shaft parts through the rolling ball. After clamping, the rolling ball can ensure the rotation of the parts, which is conducive to processing the parts at different angles and improves the convenience during use. 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 schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the protective cover of the utility model when viewed from above;

[0016] Figure 3 This is a top view of the movable disk of the utility model;

[0017] Figure 4 It is a three-dimensional schematic diagram of the positioning block of the utility model.

[0018] In the figure: 1, support seat; 2, mounting block; 3, protective cover; 4, mounting hole; 5, fastening bolt; 6, driving worm; 7, support shaft; 8, driven worm wheel; 9, movable disc; 10, extrusion groove; 11, guide groove; 12, sliding block; 13, sliding shaft; 14, positioning block; 15, protruding block; 16, rolling ball. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model will be further and non-restrictively described in detail in combination with preferred embodiments and drawings thereof. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides technical scheme: a kind of positioning device for shaft parts machining, including support seat 1, the top of support seat 1 is equipped with mounting block 2, and the top of mounting block 2 is fixedly connected with protective cover 3, and the inner wall of mounting block 2 is equipped with mounting hole 4, and the inner wall of mounting hole 4 is equipped with fastening bolt 5, and the inner wall of protective cover 3 is movably connected with driving worm 6, and the top of support seat 1 is movably connected with support shaft 7, and the outer wall of support shaft 7 is fixedly connected with driven worm wheel 8 and movable disc 9 from bottom to top respectively, and the top of movable disc 9 is equipped with extrusion groove 10, and the top of protective cover 3 is equipped with guide groove 11, and the inner wall of guide groove 11 is movably connected with sliding block 12, and the bottom of sliding block 12 is fixedly connected with sliding shaft 13, and the top of sliding block 12 is fixedly connected with positioning block 14, and the inner wall of positioning block 14 is fixedly connected with protruding block 15, and the inner wall of protruding block 15 is movably connected with rolling ball 16, by being equipped with support seat 1, mounting block 2, protective cover 3, mounting hole 4, fastening bolt 5, driving worm 6, support shaft 7, driven worm wheel 8, movable disc 9, extrusion groove 10, guide groove 11, sliding block 12, sliding shaft 13, positioning block 14, protruding block 15 and rolling ball 16, it is convenient to drive three positioning blocks 14 to move towards or away, so as to facilitate positioning block 14 to be clamped and positioned to shaft parts by rolling ball 16, and after clamping, the rotation of part can be guaranteed by rolling ball 16, thereby facilitating the machining of parts at different angles, improve the convenience when using.

[0021] Further, mounting block 2 is fastened and connected with support seat 1 by fastening bolt 5, and fastening bolt 5 is connected with support seat 1 by thread groove, so as to facilitate the installation of protective cover 3.

[0022] Further, driving worm 6 is connected with driven worm wheel 8, and movable disc 9 forms a linkage structure with driven worm wheel 8 through support shaft 7, so as to facilitate driving worm 6 to drive driven worm wheel 8 to rotate, thereby driving movable disc 9 to rotate.

[0023] Furthermore, the extrusion grooves 10 are distributed in an inclined shape, and the extrusion grooves 10 are distributed at equal angles on the top of the movable disk 9. The bottom of the sliding shaft 13 is located inside the extrusion groove 10, and the slider 12 is slidably connected to the extrusion groove 10 through the sliding shaft 13, which facilitates the sliding of the movable disk 9 through the extrusion groove 10 to extrude the sliding shaft 13.

[0024] Furthermore, the slider 12 is an I-shaped structure, and the slider 12 is slidably connected to the protective cover 3 through the guide groove 11, which facilitates guiding the slider 12.

[0025] Furthermore, the rolling ball 16 is rotatably connected to the positioning block 14 via the protrusions 15 , and the protrusions 15 are distributed at equal angles on the inner wall of the positioning block 14 , which facilitates rotation after clamping.

[0026] When in use, first turn the active worm 6 to rotate, so that the active worm 6 drives the driven worm gear 8 to rotate, and the threaded connection between the active worm 6 and the driven worm gear 8 is conducive to self-locking work, thereby improving the firmness of subsequent clamping. When the driven worm gear 8 rotates, it drives the movable disk 9 to rotate through the support shaft 7, so that the movable disk 9 drives the sliding shaft 13 to slide through the extrusion groove 10, so that the sliding shaft 13 drives the slider 12 to slide under the guidance of the guide groove 11, and then the slider 12 drives the three positioning blocks 14 to slide toward each other, so that the positioning block 14 clamps the shaft parts through the ball 16, and after clamping, the ball 16 rotates inside the protrusion 15, so that the angle of the shaft parts can be adjusted, thereby facilitating the processing of shaft parts at different angles and improving the convenience of processing.

[0027] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0028] Finally, it should be pointed out that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the above embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A positioning device for machining of shaft parts, comprising a support seat (1), characterized in that: The top of the support seat (1) is provided with a mounting block (2), the top of the mounting block (2) is fixedly connected to a protective cover (3), the inner wall of the mounting block (2) is provided with a mounting hole (4), the inner wall of the mounting hole (4) is provided with a fastening bolt (5), the inner wall of the protective cover (3) is movably connected to a driving worm (6), the top of the support seat (1) is movably connected to a support shaft (7), and the outer wall of the support shaft (7) is fixedly connected to a driven worm gear (8) and a movable worm gear (8) from bottom to top. The movable disk (9) is provided with an extrusion groove (10) on the top of the movable disk (9), and a guide groove (11) is provided on the top of the protective cover (3). The inner wall of the guide groove (11) is movably connected with a slider (12), the bottom of the slider (12) is fixedly connected with a sliding shaft (13), the top of the slider (12) is fixedly connected with a positioning block (14), the inner wall of the positioning block (14) is fixedly connected with a protrusion (15), and the inner wall of the protrusion (15) is movably connected with a rolling ball (16).

2. The positioning device for machining shaft parts according to claim 1, characterized in that: The mounting block (2) is fastened to the support seat (1) via a fastening bolt (5), and the fastening bolt (5) is connected to the support seat (1) via a threaded groove.

3. The positioning device for machining shaft parts according to claim 1, characterized in that: The active worm (6) is connected to the driven worm wheel (8), and the movable disc (9) forms a linkage structure with the driven worm wheel (8) through the support shaft (7).

4. The positioning device for machining shaft parts according to claim 1, characterized in that: The extrusion grooves (10) are distributed in an inclined shape, and the extrusion grooves (10) are distributed at equal angles on the top of the movable disk (9).

5. The positioning device for machining of shaft parts according to claim 1, characterized in that: The slider (12) is an I-shaped structure, and the slider (12) is slidably connected to the protective cover (3) through the guide groove (11).

6. The positioning device for machining of shaft parts according to claim 1, characterized in that: The bottom of the sliding shaft (13) is located inside the extrusion groove (10), and the sliding block (12) is slidably connected to the extrusion groove (10) via the sliding shaft (13).

7. The positioning device for machining of shaft parts according to claim 1, characterized in that: The rolling ball (16) is rotatably connected to the positioning block (14) via the protrusions (15), and the protrusions (15) are distributed at equal angles on the inner wall of the positioning block (14).

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