Grinding machine main shaft capable of being axially positioned

Abstract

The utility model relates to the technical field of grinding machine spindles, and discloses a grinding machine spindle capable of being axially positioned, which comprises a spindle box, a base is fixedly mounted on the outer wall of the spindle box, a mounting seat is fixedly mounted on the outer wall of the spindle box, and a fixing frame is fixedly mounted on the outer wall of the mounting seat. A sliding plate is slidably connected to the inner wall of the fixing frame, a threaded rod is rotatably connected to the outer wall of the sliding plate, the threaded rod is in threaded connection with the interior of the fixing frame, a positioning mechanism is arranged in the mounting base, a stopping mechanism is arranged on the positioning mechanism, and the positioning mechanism comprises a connecting rod. According to the grinding machine main shaft capable of being axially positioned, the outer wall of the main shaft is extruded through balls in the positioning mechanism, positioning can be conducted, the main shaft is prevented from deviating in the axial direction in the using process, and meanwhile when the clamping plates are attached to the outer wall of the fixing box, the clamping plates can drive the balls to position the main shaft in the stable direction.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grinding machine main shaft, concretely to a grinding machine main shaft of axial positioning. BACKGROUND

[0002] Grinding machine is a kind of common processing equipment, not only can the surface of workpiece be ground, but also can the workpiece be processed in groove, curved surface, with the requirement of workpiece processing technology of people more and more high, the requirement of people to grinding machine is also more and more high.

[0003] Grinding machine needs to support and fix the main shaft in the process of processing, the existing only through simple metal baffle ring to limit the axial movement range of main shaft, baffle ring is prone to wear in the process of use, and then axial positioning may appear deviation, in view of this, we need a kind of grinding machine main shaft of axial positioning. UTILITY MODEL CONTENT

[0004] The utility model is provided with a grinding machine main shaft of axial positioning to solve the problems in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a grinding machine main shaft of axial positioning, including main shaft box, the outer wall of main shaft box is fixedly installed with base, the outer wall of main shaft box is fixedly installed with mounting seat, the outer wall of mounting seat is fixedly installed with fixed frame, the inner wall of fixed frame is slidably connected with sliding plate, the outer wall of sliding plate is rotatably connected with threaded rod, the inside screw connection of threaded rod and fixed frame, the inside of mounting seat is provided with positioning mechanism, the positioning mechanism is provided with stop mechanism, the positioning mechanism includes:

[0006] Connecting rod, the connecting rod is fixedly installed on the outer wall of sliding plate, and the connecting rod penetrates the inside of mounting seat;

[0007] Fixed box, the fixed box is fixedly installed at the end of connecting rod;

[0008] Extrusion rod, the extrusion rod is slidably penetrated into the inside of fixed box, the end of extrusion rod is fixedly installed with clamping plate, and the clamping plate is arranged as arc shape.

[0009] Preferably, the inside of the clamping plate is rotatably connected with a plurality of balls, and the balls are arrayed on the clamping plate, the outer wall of the main shaft is extruded by the balls to be positioned, and the axial deviation of the main shaft in use is prevented.

[0010] Preferably, the end of the extrusion rod is fixedly connected with one end of a bearing spring, and the other end of the bearing spring is fixedly connected with the inner wall of the fixed box.

[0011] Preferably, the stop mechanism comprises a rotating rod, the rotating rod is rotatably connected with the inner wall of the fixed box, the outer wall of the rotating rod is fixedly connected with one end of a torsion spring, the other end of the torsion spring is fixedly connected with the inner wall of the fixed box, and the elastic force of the torsion spring can drive the fixed block to rotate back.

[0012] Preferably, the outer wall of the rotating rod is fixedly connected with an extrusion plate, the extrusion plate is arranged in a bent shape, the end of the extrusion plate is extruded by the extrusion rod, the extrusion plate is rotated around the rotating rod, and the outer wall of the extrusion plate is fixedly connected with a fixed block.

[0013] Preferably, the inner wall of the mounting seat is fixedly connected with a horizontal plate, the horizontal plate is located above the fixed block, the fixed block is flipped upwards and extruded and attached to the bottom wall of the horizontal plate, and the friction force caused by the continued clamping of the ball on the main shaft can be prevented.

[0014] Compared with the prior art, the axial positioning grinding machine spindle has the following beneficial effects:

[0015] 1. The axial positioning grinding machine spindle is positioned by extruding the outer wall of the main shaft by the ball in the positioning mechanism, the axial direction of the main shaft is prevented from deviating during use, and when the clamping plate is attached to the outer wall of the fixed box, the clamping plate drives the ball to position the main shaft in a stable direction.

[0016] 2. The axial positioning grinding machine spindle is flipped upwards by the fixed block on the outer wall of the extrusion plate driven by the bottom end of the extrusion plate in the stop mechanism, the fixed block on the outer wall is flipped upwards by the extrusion plate and extruded and attached to the bottom wall of the horizontal plate, the fixed box cannot move to the right, and the friction force caused by the continued clamping of the ball on the main shaft is prevented from affecting use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the overall front structure of the utility model;

[0018] Figure 2 It is a schematic view of part of the structure of the utility model;

[0019] Figure 3 It is a schematic view of part of the structure of the utility model; Figure 2 It is an enlarged schematic view of structure A in the utility model;

[0020] Figure 4 It is an enlarged schematic view of structure B in the utility model; Figure 3 It is an enlarged schematic view of structure B in the utility model.

[0021] In the figure: 1, main shaft box; 2, base; 3, mounting seat; 4, fixed frame; 5, positioning mechanism; 51, connecting rod; 52, fixed box; 53, extrusion rod; 54, clamping plate; 55, ball; 56, bearing spring; 6, threaded rod; 7, sliding plate; 8, stop mechanism; 81, rotating rod; 82, torsional spring; 83, extrusion plate; 84, fixed block; 85, cross plate. DETAILED DESCRIPTION

[0022] As Figures 1-4 shown, the utility model provides a kind of technical scheme: an axial positioning grinding machine main shaft, including main shaft box 1, base 2 is fixedly installed on the outer wall of main shaft box 1, mounting seat 3 is fixedly installed on the outer wall of main shaft box 1, fixed frame 4 is fixedly installed on the outer wall of mounting seat 3, slidingly connected with sliding plate 7 on the inner wall of fixed frame 4, threaded rod 6 is rotatably connected on the outer wall of sliding plate 7, by screwing threaded rod 6 can drive sliding plate 7 to move right, threaded rod 6 is screw-threaded connected with the inside of fixed frame 4, positioning mechanism 5 is provided in the inside of mounting seat 3, and stop mechanism 8 is provided on positioning mechanism 5.

[0023] In the embodiment, the inside of mounting seat 3 is provided with positioning mechanism 5, and the outer wall of main shaft is extruded by ball 55 in positioning mechanism 5 to be positioned, to prevent the axial direction of main shaft from deviating during use, and when clamping plate 54 is attached to the outer wall of fixed box 52, clamping plate 54 can drive ball 55 to position the main shaft in a stable direction.

[0024] In the embodiment, stop mechanism 8 is provided on positioning mechanism 5, the bottom end of extrusion plate 83 in stop mechanism 8 is extruded, the fixed block 84 on the outer wall of extrusion plate 83 is driven upward, the fixed block 84 on the outer wall of extrusion plate 83 is driven upward and extruded and attached to the bottom wall of cross plate 85, so that fixed box 52 cannot move rightward any more, to prevent ball 55 from continuing to clamp the main shaft, causing excessive friction and affecting use.

[0025] The above positioning mechanism 5 includes connecting rod 51, connecting rod 51 is fixedly installed on the outer wall of sliding plate 7, connecting rod 51 penetrates the inside of mounting seat 3, the end of connecting rod 51 is fixedly installed with fixed box 52, extrusion rod 53 is slidably penetrated in the inside of fixed box 52, the end of extrusion rod 53 is fixedly installed with clamping plate 54, clamping plate 54 is arranged in arc shape, ball 55 is rotatably connected in the inside of clamping plate 54, ball 55 is arranged in array on clamping plate 54, the outer wall of clamping plate 54 is extruded and positioned by ball 55 in the outer wall of extrusion rod 53, to prevent the axial direction of main shaft from deviating during use, the end of extrusion rod 53 is fixedly connected with one end of bearing spring 56, the other end of bearing spring 56 is fixedly connected with the inner wall of fixed box 52.

[0026] The stop mechanism 8 comprises a rotating rod 81, the rotating rod 81 is rotatably connected with the inner wall of the fixed box 52, the outer wall of the rotating rod 81 is fixedly connected with one end of a torsion spring 82, the other end of the torsion spring 82 is fixedly connected with the inner wall of the fixed box 52, the extrusion plate 83 can drive the fixed block 84 to rotate and reset through the elastic force of the torsion spring 82, the extrusion plate 83 is fixedly installed on the outer wall of the rotating rod 81, the extrusion plate 83 is arranged in a bent shape, the extrusion plate 83 can rotate around the rotating rod 81 through the extrusion of the bottom end of the extrusion plate 83 by the extrusion rod 53, the fixed block 84 is fixedly installed on the outer wall of the extrusion plate 83, the inner wall of the mounting seat 3 is fixedly installed with a horizontal plate 85, the horizontal plate 85 is located above the fixed block 84, the fixed block 84 on the outer wall is turned up and extruded and attached to the bottom wall of the horizontal plate 85 through the extrusion plate 83, so that the fixed box 52 cannot move to the right any more, preventing the friction force from being too large due to the continued clamping of the ball 55 to the main shaft.

[0027] When the main shaft needs to be installed, the main shaft is inserted into the inside of the main shaft box 1, then the sliding plate 7 is moved to the right by rotating the threaded rod 6, then the fixed box 52 at the end of the connecting rod 51 is moved to the right by the sliding plate 7, then the inside extrusion rod 53 is moved to the right by the fixed box 52, then the ball 55 on the outer wall of the clamping plate 54 is moved to the main shaft by the extrusion rod 53, the outer wall of the main shaft is extruded and positioned by the ball 55, preventing the main shaft from deviating in the axial direction during use, and the clamping plate 54 is moved to the left relative to the fixed box 52 by extrusion, the bottom end of the extrusion plate 83 is extruded by the extrusion rod 53 moving into the inside of the fixed box 52, the extrusion plate 83 rotates around the rotating rod 81, then the fixed block 84 on the outer wall is turned up by the extrusion plate 83, when the clamping plate 54 is attached to the outer wall of the fixed box 52, the fixed block 84 on the outer wall is turned up and extruded and attached to the bottom wall of the horizontal plate 85 by the extrusion plate 83, so that the fixed box 52 cannot move to the right any more, preventing the friction force from being too large due to the continued clamping of the ball 55 to the main shaft, when the main shaft needs to be disassembled after use, the clamping plate 54 drives the ball 55 to reset and no longer clamps the main shaft by reversing the threaded rod 6, and the extrusion plate 83 drives the fixed block 84 to reset by the elastic force of the torsion spring 82, thereby facilitating the disassembly of the main shaft.

[0028] The above is a detailed description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the scope of the present application.

Claims

1. An axially positionable grinding machine spindle comprising a spindle housing (1) to the outer wall of which a base (2) is fixedly attached, characterized in that: The outer wall of the main shaft box (1) is fixedly installed with a mounting seat (3), the outer wall of the mounting seat (3) is fixedly installed with a fixing frame (4), the inner wall of the fixing frame (4) is slidably connected with a sliding plate (7), the outer wall of the sliding plate (7) is rotatably connected with a threaded rod (6), the threaded rod (6) is threadedly connected with the inside of the fixing frame (4), the inside of the mounting seat (3) is provided with a positioning mechanism (5), the positioning mechanism (5) is provided with a stop mechanism (8), and the positioning mechanism (5) comprises: A connecting rod (51) is fixedly installed on the outer wall of the sliding plate (7), and the connecting rod (51) penetrates the inside of the mounting seat (3); A fixed box (52) is fixedly installed on the end of the connecting rod (51); An extrusion rod (53) slidably penetrates the inside of the fixed box (52), and the end of the extrusion rod (53) is fixedly installed with a clamping plate (54), which is arranged in an arc shape.

2. An axially positionable grinder spindle as claimed in claim 1, characterized in that: The inside of the clamping plate (54) is rotatably connected with a plurality of balls (55) arranged in an array on the clamping plate (54).

3. An axially positionable grinder spindle as claimed in claim 2, characterized in that: The end of the extrusion rod (53) is fixedly connected with one end of a bearing spring (56), and the other end of the bearing spring (56) is fixedly connected with the inner wall of the fixed box (52).

4. An axially positionable grinder spindle as claimed in claim 3, characterized in that: The stop mechanism (8) comprises a rotating rod (81), the rotating rod (81) is rotatably connected with the inner wall of the fixed box (52), the outer wall of the rotating rod (81) is fixedly connected with one end of a torsional spring (82), and the other end of the torsional spring (82) is fixedly connected with the inner wall of the fixed box (52).

5. An axially positionable grinder spindle as claimed in claim 4, characterised in that: The outer wall of the rotating rod (81) is fixedly installed with an extrusion plate (83), which is arranged in a bent shape, and the outer wall of the extrusion plate (83) is fixedly installed with a fixed block (84).

6. An axially positionable grinder spindle as claimed in claim 5, characterised in that: The inner wall of the mounting seat (3) is fixedly installed with a transverse plate (85), and the transverse plate (85) is located above the fixed block (84).

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