Hole grinding tool for circular ring part

Abstract

The utility model provides a hole grinding tool of a circular ring part, mainly relates to hole grinding tool technical field, including internal grinding machine sucker and bearing base, the bearing base is provided with locking subassembly, the locking subassembly is used for tightly pressing the circular part in the bearing base, the locking nut is installed on the bearing base, the locking subassembly is used for locking the circular part in the bearing base, the locking nut is used for locking the circular part in the bearing base, and the locking subassembly is used for locking the circular part in the bearing base. The clamping ring is fixedly connected into the locking nut, the locking nut drives the clamping ring to fix the circular ring part into the bearing base, the rotating pin is fixedly connected to the locking nut, the circular ring part is embedded into the bearing base, the locking nut is connected to the bearing base, and the clamping ring is fixedly connected to the bearing base. The clamping ring on the locking nut tightly presses the outer wall of the circular ring part, the bearing base, the locking nut and the clamping ring are used for installing the circular ring part, the problem of clamping deformation during hole grinding of the circular ring part is effectively solved, and the hole grinding clamp is simple in structure, economical, feasible and suitable for hole grinding machining of the circular ring parts of various thicknesses.

Description

Technical Field

[0001] The utility model relates to the technical field of hole grinding tools, in particular to a hole grinding tool for annular parts. Background Art

[0002] There are many bead-jointed shaft systems in the machinery industry, among which the key parts are bead-jointed bearing seats. However, due to structural limitations, many bead-jointed bearing seats are thin-walled structures with high hardness, and the cylindricality requirements of the parts are high. During the grinding process, clamping deformation is very likely to occur. Since the wall thickness of such annular parts is small, they cannot be directly adsorbed by the magnetic suction cup of the grinder, and a special hole grinding tool is required to achieve the functions of clamping and positioning. Therefore, we propose a hole grinding tool for annular parts. Utility Model Content

[0003] The purpose of the utility model is to provide a hole grinding tool for an annular part. The hole grinding tool for an annular part can complete the clamping and positioning of the annular part by using a bearing base, a locking nut and a retaining ring, and prevent the deformation of the annular part during the grinding process.

[0004] The utility model provides a hole grinding tool for annular parts, comprising an internal grinding machine suction cup and a bearing base, wherein a locking assembly is arranged on the bearing base, and the locking assembly is used to press the circular parts into the bearing base;

[0005] The locking assembly includes a locking nut, a snap ring and a turn pin;

[0006] The locking nut is mounted on the bearing base, the snap ring is fixedly connected to the locking nut, the locking nut drives the snap ring to fix the annular part in the bearing base, and the rotating pin is fixedly connected to the locking nut.

[0007] Preferably, the bearing base further comprises a stepped hole and a threaded pair;

[0008] The step hole is used to receive the annular part, and the bearing base is connected via the thread pair and the locking nut.

[0009] Preferably, an adjustment component is installed on the bearing base, and the adjustment component is used to adjust the distance between the annular part and the suction cup of the internal grinder;

[0010] The adjustment assembly includes a connecting pipe, a mounting piece and a connecting piece;

[0011] The connecting pipe is sleeved in the bearing base, the connecting pipe is connected to the internal grinding machine suction cup through the mounting member, and the bearing base is connected to the connecting pipe through the connecting member.

[0012] Preferably, the connecting pipe comprises an internal thread groove, and the internal thread groove is used to connect with the connecting piece.

[0013] Preferably, the connecting member is a threaded pin.

[0014] Preferably, the mounting member comprises a mounting plate and a guide rod;

[0015] The mounting plate is fixedly connected to the connecting pipe, the connecting pipe is connected to the internal grinder suction cup through the mounting plate, the guide rod is fixedly connected to the mounting plate, and the guide rod is sleeved with the bearing base.

[0016] The utility model provides a hole grinding tool for annular parts through improvement, which has the following improvements and advantages compared with the prior art:

[0017] The ring part is embedded into the bearing base through the coordinated use of the bearing base, the locking nut, the snap ring, the turn pin and the like, the locking nut is connected to the bearing base, the locking nut is rotated by the turn pin, and then the snap ring on the locking nut presses the outer wall of the ring part to complete the fixation of the ring part. The bearing base, the locking nut and the snap ring are used to install the ring part, which effectively solves the problem of clamping deformation during hole grinding of the ring part. The utility model has a simple structure, is economical and feasible, and is suitable for hole grinding of ring parts of various thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the locking nut, the bearing base and the connecting piece of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the locking nut, the rotating pin and the snap ring of the utility model;

[0021] Figure 4 The utility model is a schematic structural diagram of the connecting pipe, the mounting plate and the guide rod.

[0022] Description of reference numerals:

[0023] 1- internal grinder suction cup, 2- bearing base, 21- step hole, 22- thread pair, 3- locking assembly, 31- locking nut, 32- retaining ring, 33- turn pin, 4- adjusting assembly, 41- connecting pipe, 411- internal thread groove, 42- mounting part, 421- mounting plate, 422- guide rod, 43- connecting part. DETAILED DESCRIPTION

[0024] In this embodiment, if Figure 1 and Figure 2As shown, a hole grinding tool for an annular part comprises an internal cylindrical grinder suction cup 1 and a bearing base 2, a locking assembly 3 is arranged on the bearing base 2, the locking assembly 3 is used to press the circular part into the bearing base 2, the locking assembly 3 comprises a locking nut 31, a retaining ring 32 and a rotating pin 33, the locking nut 31 is mounted on the bearing base 2, the retaining ring 32 is fixedly connected to the locking nut 31, the locking nut 31 drives the retaining ring 32 to fix the annular part in the bearing base 2, and the rotating pin 33 is fixedly connected to the locking nut 31.

[0025] Furthermore, the bearing base 2 is hollow, and the annular part needs to be installed in the bearing base 2 for processing. The interior of the locking nut 31 is processed with an internal thread, and the retaining ring 32 is used to tighten the annular part. The design of the four rotating pins 33 facilitates the rotation of the locking nut 31 and the bearing base 2 for connection.

[0026] In some embodiments, Figure 1 As shown, the bearing base 2 further includes a step hole 21 and a thread pair 22 . The step hole 21 is used to receive the annular part. The bearing base 2 is connected via the thread pair 22 and the locking nut 31 .

[0027] Furthermore, the depth of the step hole 21 is smaller than the thickness of the annular part, the inner diameter of the step hole 21 is slightly larger than the diameter of the hole to be ground in the annular part, and the thread pair 22 serves to connect the bearing base 2 and the locking nut 31 .

[0028] In some embodiments, Figure 2 and Figure 3 As shown, an adjustment component 4 is installed on the bearing base 2, and the adjustment component 4 is used to adjust the distance between the annular part and the internal cylindrical grinder suction cup 1. The adjustment component 4 includes a connecting pipe 41, a mounting member 42 and a connecting member 43. The connecting pipe 41 is sleeved in the bearing base 2, and the connecting pipe 41 is connected to the internal cylindrical grinder suction cup 1 through the mounting member 42, and the bearing base 2 is connected to the connecting pipe 41 through the connecting member 43.

[0029] Furthermore, the connecting tube 41 moves laterally in the bearing base 2, and the mounting member 42 is placed between the bearing base 2 and the internal cylindrical grinder suction cup 1. The distance between the annular part in the bearing base 2 and the internal cylindrical grinder suction cup 1 is adjusted by the mounting member 42, so as to facilitate the internal cylindrical grinding wheel to grind the annular part.

[0030] In some embodiments, Figure 1 and Figure 2 As shown, the connecting pipe 41 includes an internal thread groove 411 , and the internal thread groove 411 is used to connect with the connecting piece 43 .

[0031] Furthermore, the internal thread grooves 411 are evenly distributed along the connecting tube 41 . The arrangement of the internal thread grooves 411 facilitates connection with the connecting piece 43 to fix the use position of the supporting base 2 .

[0032] In some embodiments, Figure 1 As shown, the connecting member 43 is a threaded pin.

[0033] Furthermore, the connecting member 43 is a threaded pin, which is convenient for fixing the bearing base 2 and the connecting pipe 41 .

[0034] In some embodiments, Figure 1 As shown, the mounting member 42 includes a mounting plate 421 and a guide rod 422. The mounting plate 421 is fixedly connected to the connecting tube 41. The connecting tube 41 is connected to the internal grinder suction cup 1 through the mounting plate 421. The guide rod 422 is fixedly connected to the mounting plate 421. The guide rod 422 is sleeved on the supporting base 2.

[0035] Furthermore, two guide rods 422 are provided, and the guide rods 422 are symmetrically distributed in the mounting plate 421. The setting of the guide rods 422 enables the bearing base 2 to move horizontally, and the mounting plate 421 is provided for connecting with the suction cup 1 of the internal cylindrical grinder.

[0036] Working principle:

[0037] First, the annular part is embedded into the stepped hole 21 of the bearing base 2, and the locking nut 31 is connected to the bearing base 2 through the threaded pair 22. The locking nut 31 is rotated by the turn pin 33, and the clamping ring 32 on the locking nut 31 presses the outer wall of the annular part to complete the fixation of the annular part. Then, it is connected to the internal grinder suction cup 1 through the mounting plate 421, and the hollow inner hole of the bearing base 2 is calibrated to ensure that the axis of the bearing base 2 coincides with the rotation center of the internal grinder suction cup 1. The annular part is hole-grinded using the internal grinding wheel, and the bearing base 2 is moved on the outer wall of the connecting tube 41. The bearing base 2 moves horizontally along the outer wall of the guide rod 422, and the bearing base 2 and the connecting tube 41 are re-fixed using the connecting piece 43, and then the distance between the annular part in the bearing base 2 and the internal grinder suction cup 1 is adjusted to facilitate the adjustment of the grinding position of the annular part by the internal grinding wheel.

Claims

1. A hole grinding tool for an annular part, comprising an internal grinding machine suction cup (1) and a bearing base (2), characterized in that: A locking assembly (3) is provided on the bearing base (2), and the locking assembly (3) is used to press the circular part into the bearing base (2); The locking assembly (3) comprises a locking nut (31), a snap ring (32) and a turn pin (33); The locking nut (31) is mounted on the bearing base (2), the retaining ring (32) is fixedly connected to the locking nut (31), the locking nut (31) drives the retaining ring (32) to fix the annular part in the bearing base (2), and the rotating pin (33) is fixedly connected to the locking nut (31).

2. A hole grinding tool for annular parts according to claim 1, characterized in that: The bearing base (2) further comprises a stepped hole (21) and a threaded pair (22); The step hole (21) is used to receive the annular part, and the bearing base (2) is connected via the thread pair (22) and the locking nut (31).

3. The hole grinding tool for annular parts according to claim 1, characterized in that: An adjustment component (4) is installed on the bearing base (2), and the adjustment component (4) is used to adjust the distance between the annular part and the internal grinding machine suction cup (1); The adjustment assembly (4) comprises a connecting pipe (41), a mounting member (42) and a connecting member (43); The connecting tube (41) is sleeved in the bearing base (2); the connecting tube (41) is connected to the internal grinding machine suction cup (1) via the mounting member (42); and the bearing base (2) is connected to the connecting tube (41) via the connecting member (43).

4. A hole grinding tool for annular parts according to claim 3, characterized in that: The connecting pipe (41) comprises an internal thread groove (411), and the internal thread groove (411) is used to be connected to the connecting piece (43).

5. The hole grinding tool for annular parts according to claim 3, characterized in that: The connecting piece (43) is a threaded pin.

6. A hole grinding tool for annular parts according to claim 3, characterized in that: The mounting member (42) comprises a mounting plate (421) and a guide rod (422); The mounting plate (421) is fixedly connected to the connecting tube (41), the connecting tube (41) is connected to the internal grinding machine suction cup (1) via the mounting plate (421), the guide rod (422) is fixedly connected to the mounting plate (421), and the guide rod (422) is sleeved with the supporting base (2).

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