Supporting and protecting device for machine tool spindle

Abstract

The utility model discloses a supporting and protecting device for a machine tool spindle, which comprises a mounting seat, a bearing seat is fixedly mounted at the top end of the mounting seat, an auxiliary rotating mechanism is arranged on the inner wall of the bearing seat, a dismounting and mounting mechanism is movably mounted at the top end of the bearing seat, and a supporting plate is fixedly connected to the outer side wall of the mounting seat. The outer wall of the machine tool spindle is wrapped and protected through matching of the supporting sleeve and the shaft sleeve, the inner wall of the shaft sleeve is attached to the outer wall of the machine tool spindle, the machine tool spindle can be assisted to rotate through the rotating wheel when the machine tool spindle rotates at a high speed, the friction force is reduced, the abrasion degree is reduced, and the service life is prolonged; the clamping seat and the pressing plate are fixedly installed at the top end of the bearing seat, the supporting sleeve is fixed and limited, when the machine tool spindle is overhauled, the fixing nut is screwed, the pressing plate is separated from the bearing seat, then the clamping seat is taken down, the machine tool spindle is disassembled for overhauling work, and more time and labor are saved when the machine tool spindle is overhauled.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe technical field especially, relates to a support protection device for lathe main shaft. BACKGROUND

[0002] The lathe main shaft refers to the shaft that rotates the workpiece or the cutter on the lathe. It is usually composed of the main shaft, bearing and transmission part (gear or pulley) to form the main shaft component. It is mainly used to support transmission parts such as gears and pulleys in the machine, and transmit motion and torque, such as the lathe main shaft. Some are used to clamp workpieces, such as mandrels.

[0003] The existing support protection device for lathe main shaft mostly adopts the device that the lathe main shaft is wrapped to support the lathe main shaft. This brings great inconvenience when overhauling the lathe main shaft, and the whole needs to be disassembled and the lathe main shaft needs to be removed, which is time-consuming and laborious. Moreover, the surface of the lathe main shaft is seriously worn during high-speed rotation, which reduces the service life, so that the best support protection effect cannot be achieved. UTILITY MODEL CONTENT

[0004] The utility model provides a support protection device for lathe main shaft to solve the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a support protection device for lathe main shaft, including the mounting seat, the top of mounting seat is fixedly installed with bearing seat, and the inner wall of bearing seat is provided with auxiliary rotating mechanism, the top of bearing seat is movably installed with dismounting mechanism, the outer side wall of mounting seat is fixedly connected with support plate, and the upper surface of one end of support plate is fixedly installed with stand column, the top of stand column is fixedly connected with righting sleeve a, and the outer wall of righting sleeve a is fixedly installed with electric push rod on both sides, the side of righting sleeve a is provided with righting mechanism, and the inner wall of support plate is provided with sliding slot.

[0006] As a further description of the above technical scheme: the auxiliary rotating mechanism includes a support sleeve, a plurality of rotating wheels are rotatably installed on the inner side wall of the support sleeve, and the outer wall of the rotating wheels is rotatably connected with a shaft sleeve.

[0007] As a further description of the above technical scheme: the shaft sleeve is wrapped on the outer wall of the lathe main shaft, and the shaft sleeve is rotatably installed on the inner wall of the support sleeve through the rotating wheel.

[0008] As a further description of the above technical scheme: the dismounting mechanism includes a clamping seat, the outer wall of the clamping seat is fixedly connected with a pressing plate on both sides, the upper surface of the pressing plate is fixedly installed with a threaded sleeve, and the inner wall of the threaded sleeve is provided with a fixing nut.

[0009] As a further description of the above technical solution: the lower surface of the card seat is engaged with the top end of the supporting sleeve, and the two ends of the card seat are connected to the top end of the bearing seat through the pressing plate.

[0010] As a further description of the above technical solution: the bottom end of the fixing nut is threadedly connected with the top end of the bearing seat through the pressing plate, and the threaded wire is arranged at the penetrating part of the fixing nut and the sleeve.

[0011] As a further description of the above technical solution: the righting mechanism comprises a righting sleeve b, the bottom end of the righting sleeve b is fixedly connected with a sliding plate, and the outer wall of the righting sleeve b is fixedly connected with a connecting head on both sides.

[0012] As a further description of the above technical solution: the bottom end of the righting sleeve b is slidably connected with the sliding groove through the sliding plate, and the outer wall of the righting sleeve b is fixedly connected with the output end of the electric push rod through the connecting head.

[0013] The utility model has the advantages of:

[0014] 1. Compared with the prior art, the supporting and protecting device for machine tool spindle is wrapped and protected by the cooperation of the supporting sleeve and the shaft sleeve, the inner wall of the shaft sleeve is in close contact with the outer wall of the machine tool spindle, the rotating wheel can assist the machine tool spindle to rotate when the machine tool spindle rotates at high speed, the friction is reduced, the wear degree is reduced, and the service life is prolonged.

[0015] 2. Compared with the prior art, the supporting and protecting device for machine tool spindle is fixedly installed on the top end of the bearing seat through the cooperation of the card seat and the pressing plate, and the supporting sleeve is fixed and limited, when the machine tool spindle is overhauled, the pressing plate is separated from the bearing seat by rotating the fixing nut, then the card seat is removed, and the machine tool spindle is disassembled for overhaul, which saves time and labor when the machine tool spindle is overhauled.

[0016] 3. Compared with the prior art, the supporting and protecting device for machine tool spindle can support one end of the machine tool spindle by the cooperation of the righting sleeve a and the righting sleeve b, and try to prevent the two sides from shaking under pressure, the righting sleeve b is extended and retracted by starting the electric push rod, the distance between the righting sleeve b and the righting sleeve a is adjusted, the supporting and protecting of the machine tool spindle can be facilitated according to the length of the machine tool spindle, and the practicability is high, so that the best supporting and protecting effect is achieved. DRAWINGS

[0017] Figure 1 The rear structure diagram of the supporting and protecting device for machine tool spindle is shown in the utility model;

[0018] Figure 2 The structure diagram of the auxiliary rotating mechanism is shown in the utility model;

[0019] Figure 3The utility model provides a dismounting mechanism's structure schematic view for the utility model.

[0020] Figure 4 The utility model provides a righting mechanism's structure schematic view for the utility model.

[0021] Legend:

[0022] 1, mounting seat, 2, bearing seat, 3, auxiliary rotating mechanism, 31, support sleeve, 32, runner, 33, shaft sleeve, 4, dismounting mechanism, 41, clamping seat, 42, pressing plate, 43, screw sleeve, 44, fixed nut, 5, support plate, 6, stand, 7, righting sleeve a, 8, electric push rod, 9, righting mechanism, 91, righting sleeve b, 92, sliding plate, 93, connector, 10, sliding slot. Specific embodiments

[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0024] Reference Figures 1-4 The utility model provides a kind of support protection device for lathe spindle: including mounting seat 1, the top of mounting seat 1 is fixedly installed with bearing seat 2, and auxiliary rotating mechanism 3 is arranged on the inner wall of bearing seat 2, and the top of bearing seat 2 is movably installed with dismounting mechanism 4, the outer side wall of mounting seat 1 is fixedly connected with support plate 5, and the upper surface of support plate 5 one end is fixedly installed with stand 6, and the top of stand 6 is fixedly connected with righting sleeve a 7, and electric push rod 8 is fixedly installed on the outer wall of righting sleeve a 7, and righting mechanism 9 is arranged on the side of righting sleeve a 7, and sliding slot 10 is opened on the inner wall of support plate 5.

[0025] Auxiliary rotating mechanism 3 includes support sleeve 31, and multiple groups of runners 32 are rotatably installed on the inner side wall of support sleeve 31, and the outer wall of runner 32 is rotatably connected with shaft sleeve 33, and the outer wall of lathe spindle is wrapped and protected by the cooperation of support sleeve 31 and shaft sleeve 33, the inner wall of shaft sleeve 33 is in conformity with the outer wall of lathe spindle, and runner 32 can assist lathe spindle to rotate when lathe spindle rotates at high speed, reduce its friction, reduce the degree of wear, and shaft sleeve 33 is wrapped on the outer wall of lathe spindle, and shaft sleeve 33 is rotatably installed on the inner wall of support sleeve 31 by runner 32.

[0026] The disassembling mechanism 4 comprises a clamping seat 41, the outer wall of the clamping seat 41 is fixedly connected with a pressing plate 42 on both sides, and the upper surface of the pressing plate 42 is fixedly installed with a threaded sleeve 43, the inner wall of the threaded sleeve 43 is provided with a fixing nut 44, the clamping seat 41 and the pressing plate 42 are fixedly installed at the top end of the bearing seat 2, and the support sleeve 31 is fixed and limited, when the machine tool spindle is overhauled, the fixing nut 44 is screwed, the pressing plate 42 is separated from the bearing seat 2, then the clamping seat 41 is taken off, the machine tool spindle is disassembled for overhaul, the lower surface of the clamping seat 41 is clamped with the top end of the support sleeve 31, the two ends of the clamping seat 41 are connected with the top ends of the bearing seat 2 through the pressing plate 42 on both sides, the bottom end of the fixing nut 44 is threadedly connected with the top end of the bearing seat 2 through the pressing plate 42, and threads are arranged at the penetrating positions of the fixing nut 44 and the threaded sleeve 43.

[0027] The righting mechanism 9 comprises a righting sleeve b91, the bottom end of the righting sleeve b91 is fixedly connected with a sliding plate 92, and the outer wall of the righting sleeve b91 is fixedly installed with a connecting head 93 on both sides, the cooperation of the righting sleeve a7 and the righting sleeve b91 can support one end of the machine tool spindle, and the shaking of both sides when being pressed is prevented as much as possible, the righting sleeve b91 is pushed and retracted by starting the electric push rod 8, the distance between the righting sleeve b91 and the righting sleeve a7 is adjusted, the support and protection according to the length of the machine tool spindle are facilitated, the bottom end of the righting sleeve b91 is slidably connected with the sliding groove 10 through the sliding plate 92, and the outer wall of the righting sleeve b91 is fixedly connected with the output end of the electric push rod 8 through the connecting head 93 on both sides.

[0028] Working principle: the outer wall of the machine tool spindle is wrapped and protected through the cooperation of the support sleeve 31 and the shaft sleeve 33, the inner wall of the shaft sleeve 33 is attached to the outer wall of the machine tool spindle, the machine tool spindle is rotated through the rotating wheel 32 when the machine tool spindle rotates at high speed, the friction is reduced, the abrasion degree is reduced, the support sleeve 31 is fixedly installed at the top end of the bearing seat 2 through the clamping seat 41 and the pressing plate 42, the machine tool spindle is fixed and limited, when the machine tool spindle is overhauled, the fixing nut 44 is screwed, the pressing plate 42 is separated from the bearing seat 2, then the clamping seat 41 is taken off, the machine tool spindle is disassembled for overhaul, one end of the machine tool spindle is supported through the cooperation of the righting sleeve a7 and the righting sleeve b91, the shaking of both sides when being pressed is prevented as much as possible, the righting sleeve b91 is pushed and retracted by starting the electric push rod 8, the distance between the righting sleeve b91 and the righting sleeve a7 is adjusted, and the support and protection according to the length of the machine tool spindle are facilitated.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A support guard device for machine tool spindles comprising a mounting base (1), characterised in that: The top end of the mounting seat (1) is fixedly provided with a bearing seat (2), and the inner wall of the bearing seat (2) is provided with an auxiliary rotating mechanism (3), the top end of the bearing seat (2) is movably provided with a dismounting mechanism (4), the outer side wall of the mounting seat (1) is fixedly connected with a supporting plate (5), and the upper surface of one end of the supporting plate (5) is fixedly provided with a stand column (6), the top end of the stand column (6) is fixedly connected with a righting sleeve a (7), and the outer wall of the righting sleeve a (7) is fixedly provided with an electric push rod (8) on both sides, one side of the righting sleeve a (7) is provided with a righting mechanism (9), and the inner wall of the supporting plate (5) is provided with a sliding groove (10).

2. A support guard for a machine tool spindle as claimed in claim 1, characterised in that: The auxiliary rotating mechanism (3) comprises a supporting sleeve (31), a plurality of rotating wheels (32) are rotatably installed on the inner side wall of the supporting sleeve (31), and the outer wall of the rotating wheel (32) is rotatably connected with a shaft sleeve (33).

3. A support guard for a machine tool spindle as claimed in claim 2, characterised in that: The shaft sleeve (33) is wrapped on the outer wall of the machine tool spindle, and the shaft sleeve (33) is rotatably installed on the inner wall of the supporting sleeve (31) through the rotating wheel (32).

4. A support guard for a machine tool spindle as claimed in claim 1, characterised in that: The dismounting mechanism (4) comprises a clamping seat (41), the outer wall of the clamping seat (41) is fixedly connected with a pressing plate (42) on both sides, and the upper surface of the pressing plate (42) is fixedly provided with a screw sleeve (43), the inner wall of the screw sleeve (43) is provided with a fixing nut (44).

5. A support guard for a machine tool spindle as claimed in claim 4, characterised in that: The lower surface of the clamping seat (41) is clamped with the top end of the supporting sleeve (31), and the two ends of the clamping seat (41) are connected with the top end of the bearing seat (2) through the pressing plate (42).

6. A support guard for a machine tool spindle as claimed in claim 4, characterised in that: The bottom end of the fixing nut (44) is threadedly connected with the top end of the bearing seat (2) through the pressing plate (42), and the threaded wire is arranged at the penetrating position of the fixing nut (44) and the screw sleeve (43).

7. A support guard for a machine tool spindle as claimed in claim 1, characterised in that: The righting mechanism (9) comprises a righting sleeve b (91), the bottom end of the righting sleeve b (91) is fixedly connected with a sliding plate (92), and the outer wall of the righting sleeve b (91) is fixedly provided with a connecting head (93) on both sides.

8. A support guard for a machine tool spindle as claimed in claim 7, characterised in that: The bottom end of the righting sleeve b (91) is slidably connected with the sliding groove (10) through the sliding plate (92), and the outer wall of the righting sleeve b (91) is fixedly connected with the output end of the electric push rod (8) through the connecting head (93).

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