High-precision inner hole grinding and polishing device

Abstract

The utility model discloses a high-precision inner hole grinding and polishing device which is characterized in that a sleeve a is arranged at the front end of a shaft, a grinding wheel is arranged outside the sleeve a, and a screw I is in threaded connection with the front end of the shaft and positions the grinding wheel; on the rear side of the grinding wheel, the sleeve b is cooperatively mounted outside the shaft; a plurality of bearings I are mounted on the shaft at the front end of the sleeve b; a plurality of bearings II are mounted on the shaft at the rear end of the sleeve b; the shell is installed outside the bearing I, the sleeve b and the bearing II in a matched mode, the nut B is screwed at the front end of the interior of the shell and attached to the adjacent bearing I, and the nut A4 is screwed on the shaft and surrounds the outer portion of the front end of the shell; the nut C is screwed at the rear end of the interior, the nut D is screwed on the shaft and surrounds the exterior of the rear end of the shell, and the nut D abuts against the bearing II; a belt pulley is installed at the tail end of the shaft outside one axial side of the nut D. A screw II is in threaded connection with the tail end of the shaft and positions the belt pulley. According to the utility model, the part processing becomes simple and fast, and the consistency of each processing size of the part is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a high-precision inner hole grinding and polishing device and belongs to the mechanical technical field. BACKGROUND

[0002] The inner hole grinding and polishing is through mechanical, electric spark, electrochemistry and other processing methods to reduce the inner hole surface roughness, and the cutting action is generated through the grinding wheel (the abrasive cloth wheel), the grinding wheel (the abrasive cloth wheel) generates the rolling pressure, the sliding, the pushing and the impact, the plastic deformation is generated on the small undulating surface of the part, the convex part is "flattened" and filled in the recess, under the comprehensive action of the above factors, the processing marks left by the part surface in the previous process are gradually removed and finished.

[0003] At present, the part is processed by the manual polishing, needs the high speed cutting on the ordinary lathe, and the sand grain scratch phenomenon often appears in the processing. UTILITY MODEL CONTENTS

[0004] In order to overcome the insufficient of prior art, the utility model provides a high-precision inner hole grinding and polishing device, which makes the part processing simple and fast, and can ensure the consistency of each processing size of the part.

[0005] The utility model discloses a high-precision inner hole grinding and polishing device, including plug screw I, grinding wheel, sleeve a, nut A, nut B, bearing I, sleeve b, shaft, shell, bearing II, nut C, nut D, belt pulley and screw II, the front end on the shaft is equipped with a sleeve a, the sleeve a outside is equipped with a grinding wheel, and the screw I is connected in the screw thread and is positioned with the grinding wheel.

[0006] The shell is cooperatively installed on the outside of bearing I, sleeve b and bearing II, the nut B is tightly screwed on the front end in the shell interior and is attached to the adjacent bearing I, and the nut A4 is tightly screwed on the shaft and is surrounded on the outside of the shell front end.

[0007] On the outside of the nut D axial side, the end of the shaft is installed with a belt pulley, and the screw II is connected in the screw thread and is positioned with the belt pulley.

[0008] Further, six springs are arranged in the sleeve b at the end position, and the two ends of the spring are respectively abutted on the inner sleeve b and the gasket on the side of bearing II.

[0009] Further, the shaft is a stepped shaft.

[0010] Further, a pin is arranged in the sleeve b and the shell in the vertical direction.

[0011] Further, the nut B and the nut C are both external thread nuts.

[0012] The beneficial effects of the utility model are: the utility model is installed quickly and accurately, the consistency of the size is ensured after the part is processed; the clamping is convenient, the labor intensity of the operator is reduced; the complex work is simplified, the processing threshold is reduced; the process requirement and the batch production requirement are met, the production efficiency is high, there is no safety hidden danger, the manufacturing difficulty is small, the operability is strong, the utility model has been successfully applied to the polishing of product barrel parts, the polishing device has been widely applied, the production efficiency is improved by several times or more than several times compared with the traditional processing method through the practice verification, the economic benefit of the enterprise is greatly increased; the design concept of the inner hole grinding and polishing device is also worth being widely promoted in the mechanical industry, the processing is simple and fast, the processing precision can be effectively ensured, and the work efficiency and the work quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further illustrated below in combination with the drawings and specific embodiments.

[0014] Figure 1 It is the structural schematic diagram of the utility model.

[0015] Figure 2 It is the schematic diagram of the shell of the utility model.

[0016] Figure 3 It is the schematic diagram of the shaft of the utility model.

[0017] Figure 4 It is the A-A direction schematic diagram of Figure 3 .

[0018] Figure 5 It is the schematic diagram of the sleeve b of the utility model.

[0019] Figure 6 It is the side view of Figure 5 .

[0020] Figure 7 It is the schematic diagram of the sleeve a of the utility model.

[0021] Figure 8 It is the schematic diagram of the nut A of the utility model.

[0022] Figure 9 is a schematic view of the nut B of the utility model.

[0023] Figure 10 is Figure 9 a side view.

[0024] Figure 11 is a schematic view of the nut C of the utility model.

[0025] Figure 12 is Figure 11 a side view.

[0026] Figure 13 is a schematic view of the nut D of the utility model.

[0027] Mark in the figure:

[0028] 1, screw I, 2, grinding wheel, 3, sleeve a, 4, nut A, 5, nut B, 6, bearing I, 7, sleeve b, 8, shaft, 9, shell, 10, pin, 11, spring, 12, bearing II, 13, nut C, 14, nut D, 15, pulley, 16, screw II. Specific implementation

[0029] As Figure 1 -13 shows, a high-precision inner hole grinding and polishing device, including screw I 1, grinding wheel 2, sleeve a 3, nut A 4, nut B 5, bearing I 6, sleeve b 7, shaft 8, shell 9, bearing II 12, nut C 13, nut D 14, pulley 15 and screw II 16, the shaft 8 is a stepped shaft, the front end on shaft 8 is equipped with a sleeve a 3, the outside of sleeve a 3 is equipped with a grinding wheel 2, screw I 1 is connected with the front end of shaft 8 and positions grinding wheel 2;In the rear side of grinding wheel 2, sleeve b 7 is cooperatively installed on the outside of shaft 8;In the front end of sleeve b 7, a plurality of bearing I 6 is installed on shaft 8, and a gasket is arranged between bearing I 6;In the rear end of sleeve b 7, a plurality of bearing II 12 is installed on shaft 8, and a gasket is arranged between bearing II 12.

[0030] Shell 9 is cooperatively installed on the outside of bearing I 6, sleeve b 7 and bearing II 12, nut B 5 is an external thread nut, nut B 5 is tightened in the front end inside shell 9 and is attached to adjacent bearing I 6, nut A 4 is tightened on shaft 8 and is surrounded outside the front end of shell 9;Nut C 13 is an external thread nut, nut C 13 is tightened in the rear end inside, nut D 14 is tightened on shaft 8 and is surrounded outside the rear end of shell 9, nut D 14 is pressed against bearing II 12;Shell 9 and sleeve b 7 are installed with a pin 10, and the pin 10 is arranged in the vertical direction with shell 9 and sleeve b 7.

[0031] On the outside of the nut D14 axial side, the end of the shaft 8 is installed with a pulley 15, screw II 16 is threaded to the end of the shaft 8 and the pulley 15 is positioned.

[0032] The end position in the sleeve b7 is equipped with six springs 11 arranged in the circumferential direction and uniformly spaced, the two ends of the spring 11 are respectively abutted on the inner sleeve b7 and the gasket on the side of the bearing II 12.

[0033] The device is designed for machining inner hole (diameter greater than Φ65mm, length not more than 500mm) of the cylinder parts grinding and polishing tool, can ensure the center of the grinding wheel 2 (sand cloth wheel) and the center position of the parts and the center position of the equipment.

[0034] In use, the inner hole grinding and polishing device is installed on the common lathe tool table, using external motor through the belt transmission components and the pulley 15 connection, and drive the pulley 15 rotation at the same time drive the grinding wheel 2 (sand cloth wheel) rotation, using different granularity of grinding wheel 2 (sand cloth wheel) to complete the polishing work of parts, make the parts processing become simple and fast; grinding and polishing device can also be directly installed in the inner hole grinding sleeve on the cylindrical grinding machine, ensure the center of the grinding wheel 2 (sand cloth wheel) and the center position of the parts and the cylindrical grinding machine, the inner hole grinding and polishing device after installation runs stably, safe and reliable.

Claims

1. A high-precision inner hole grinding and polishing device, characterized in that: It includes screw I (1), grinding wheel (2), sleeve a (3), nut A (4), nut B (5), bearing I (6), sleeve b (7), shaft (8), shell (9), bearing II (12), nut C (13), nut D (14), pulley (15) and screw II (16), the front end of the shaft (8) is provided with a sleeve a (3), the outer part of the sleeve a (3) is provided with a grinding wheel (2), the screw I (1) is threadedly connected to the front end of the shaft (8) and positions the grinding wheel (2); behind the grinding wheel (2), the sleeve b (7) is cooperatively installed on the outer part of the shaft (8); in front of the sleeve b (7), a plurality of bearing I (6) are installed on the shaft (8), and a gasket is arranged between the bearing I (6); in the rear end of the sleeve b (7), a plurality of bearing II (12) are installed on the shaft (8), and a gasket is arranged between the bearing II (12); The shell (9) is cooperatively installed on the outer part of the bearing I (6), the sleeve b (7) and the bearing II (12), the nut B (5) is tightly screwed in the front end of the inner part of the shell (9) and is attached to the adjacent bearing I (6), the nut A (4) is tightly screwed on the shaft (8) and surrounds the outer part of the front end of the shell (9); the nut C (13) is tightly screwed in the rear end of the inner part, the nut D (14) is tightly screwed on the shaft (8) and surrounds the outer part of the rear end of the shell (9), and the nut D (14) abuts against the bearing II (12); On the outer part of the axial side of the nut D (14), the end of the shaft (8) is provided with a pulley (15), and the screw II (16) is threadedly connected to the end of the shaft (8) and positions the pulley (15).

2. The high-precision inner hole grinding and polishing device according to claim 1, characterized in that: Six springs (11) are arranged in the end position of the sleeve b (7) and are uniformly spaced in the circumferential direction, and the two ends of the spring (11) are respectively abutted against the inner part of the sleeve b (7) and the gasket on one side of the bearing II (12).

3. The high-precision inner hole grinding and polishing device according to claim 1, characterized in that: The shaft (8) is a stepped shaft.

4. The high-precision inner hole grinding and polishing device according to claim 1, characterized in that: A pin (10) is installed in the shell (9) and the sleeve b (7), and the pin (10) is arranged in a vertical direction with the shell (9) and the sleeve b (7).

5. The high-precision inner hole grinding and polishing device according to claim 1, characterized in that: The nut B (5) and the nut C (13) are both external thread nuts.

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