Internal grinding wheel frame for internal grinding machine

Abstract

The utility model discloses a grinding wheel frame for an internal grinding machine, which relates to the field of grinding wheel frames, including a frame for mounting a grinding wheel, a circular hole that matches the outer wall of the frame is opened at the center of the grinding wheel, a first limiting mechanism for limiting one end of the grinding wheel is installed inside the frame, and a second limiting mechanism for limiting the other end of the grinding wheel is installed on the outer wall of the frame; the first limiting mechanism includes: a rotating unit and a clamping unit; the rotating unit in a loose state is used to drive the clamping unit to cancel the limit on one end of the grinding wheel, and the rotating unit in a tightened state is used to drive the clamping unit to achieve the limit on one end of the grinding wheel. The utility model provides a rotating unit and a clamping unit, so that when replacing the grinding wheel, the grinding wheel can be removed more conveniently, and there will be no loss, and the problem of local wear of the grinding wheel caused by the contact between the tool and the grinding wheel surface will not occur.

Description

Technical Field

[0001] The utility model relates to the field of grinding wheel frames, in particular to an internal grinding wheel frame for an internal grinding machine. Background Art

[0002] The main component of the grinder is the bed, which is the basic support of the grinder. The grinding wheel frame, workbench, headstock, tailstock and transverse slide saddle are installed on it.

[0003] The grinding wheel frame is a frame for fixing the grinding wheel. In the prior art, two end plates are threadedly connected to the grinding wheel frame, and the two ends of the grinding wheel are limited by tightening the two end plates. When replacing the grinding wheel, it is necessary to completely loosen and remove one end plate before the grinding wheel can be removed. Since the end plate is small (its diameter cannot be larger than the diameter of the grinding wheel, otherwise it will cause grinding interference), it must be placed carefully after removal to prevent loss. Secondly, when installing and fixing, it is necessary to pay attention that metal tools cannot contact the surface of the grinding wheel. Precisely because the end plate is small, if you are not careful during installation, the tool will contact the surface of the grinding wheel, causing local wear of the grinding wheel. Utility Model Content

[0004] The purpose of the utility model is to provide an internal grinding wheel frame for an internal grinding machine in order to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an internal grinding wheel frame for an internal grinding machine, comprising a frame body for mounting a grinding wheel, a circular hole which matches the outer wall of the frame body is opened at the center of the grinding wheel, a first limiting mechanism for limiting one end of the grinding wheel is installed inside the frame body, and a second limiting mechanism for limiting the other end of the grinding wheel is installed on the outer wall of the frame body;

[0006] The first limiting mechanism includes: a rotating unit and a clamping unit;

[0007] The rotating unit in the loosened state is used to drive the clamping unit to cancel the limit on one end of the grinding wheel, and the rotating unit in the tightened state is used to drive the clamping unit to realize the limit on one end of the grinding wheel.

[0008] As a further solution of the utility model: the rotating unit includes a through hole opened at the center of the frame, one end of the through hole is an open structure, a connector is provided at the open end of the through hole, and a hexagonal hole is opened at the center of the connector;

[0009] A connecting column is integrally formed at one end of the connecting head located inside the through hole, an external thread groove is formed at the outer wall end of the connecting column, and a threaded sleeve threadedly connected to the external thread groove is fixedly connected to the inner wall end of the through hole.

[0010] As a further solution of the utility model: the clamping unit includes a circular groove opened inside the grinding wheel, the inner wall of the circular groove is fixedly connected to a fixed disk, and the interior of the fixed disk is provided with a strip groove;

[0011] The outer wall of the connecting column is integrally formed with a protrusion protruding outward, and the connecting column and the outer wall of the protrusion are movably connected with a rotating plate, an arc groove is opened inside the rotating plate, and the strip groove and the inside of the arc groove are movably connected with a movable column, and the end of the movable column is fixedly connected to a No. 1 limit plate.

[0012] As a further solution of the utility model: a sliding groove for the movement of the No. 1 limiting plate is opened in the inner circumference of the frame body, and a receiving groove for the movement of the movable column is opened in the inner circumference of the frame body.

[0013] As a further solution of the utility model: a hole groove which matches with the outer wall of the connecting column and the protrusion is opened at the center of the rotating plate.

[0014] As a further solution of the utility model: the second limiting mechanism includes a second limiting plate threadedly connected to the outer wall of the frame body, and the end of the second limiting plate away from the grinding wheel is fixedly connected to a hexagonal block by bolts.

[0015] As a further solution of the utility model: the inner circumference of the hexagonal block is larger than the outer circumference of the frame.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. By setting the rotating unit and the clamping unit, the grinding wheel can be removed more conveniently when replacing the grinding wheel, without losing it or causing local wear of the grinding wheel due to contact between the tool and the grinding wheel surface. 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 structural schematic diagram of another viewing angle of the utility model;

[0020] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0021] Figure 4 For the utility model Figure 3 A partial enlarged view of the middle part;

[0022] Figure 5 A schematic diagram of the internal structure of the utility model from another perspective;

[0023] Figure 6 For the utility model Figure 5 A partial enlarged view of point B in the middle.

[0024] In the figure: 1, frame; 2, grinding wheel; 3, connector; 4, hexagonal hole; 5, limit plate No. 1; 6, limit plate No. 2; 7, hexagonal block; 8, slide groove; 9, connecting column; 10, protrusion; 11, external thread groove; 12, screw sleeve; 13, fixed plate; 14, strip groove; 15, rotating plate; 16, receiving groove; 17, movable column; 18, circular groove; 19, arc groove; 20, through hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1 to Figure 6 In the embodiment of the utility model, an internal grinding wheel frame for an internal grinding machine includes a frame body 1 for mounting a grinding wheel 2, a circular hole that matches the outer wall of the frame body 1 is opened at the center of the grinding wheel 2, a first limiting mechanism for limiting one end of the grinding wheel 2 is installed inside the frame body 1, and a second limiting mechanism for limiting the other end of the grinding wheel 2 is installed on the outer wall of the frame body 1;

[0027] The first limiting mechanism includes: a rotating unit and a clamping unit;

[0028] The rotating unit in the loosened state is used to drive the clamping unit to cancel the limit on one end of the grinding wheel 2, and the rotating unit in the tightened state is used to drive the clamping unit to realize the limit on one end of the grinding wheel 2.

[0029] In this embodiment: by rotating the rotating unit, the rotating unit rotates to release the restriction on one end of the grinding wheel 2, and the grinding wheel 2 can be pulled apart from the outer wall of the frame 1. After replacing a new grinding wheel 2, the rotating unit is rotated in the opposite direction to drive the rotating unit to limit one end of the grinding wheel 2. If the grinding wheel 2 is still in a rotating state at this time, the second limiting mechanism is rotated to apply a squeezing force to the other end of the grinding wheel 2, thereby firmly clamping the grinding wheel 2.

[0030] Please refer to Figure 3 and Figure 4 The rotating unit includes a through hole 20 opened at the center of the frame 1, one end of the through hole 20 is an open structure, a connector 3 is provided at the open end of the through hole 20, and a hexagonal hole 4 is opened at the center of the connector 3;

[0031] A connecting column 9 is integrally formed at one end of the connector 3 located inside the through hole 20 , an external thread groove 11 is formed at the outer wall end of the connecting column 9 , and a screw sleeve 12 threadedly connected to the external thread groove 11 is fixedly connected to the inner wall end of the through hole 20 .

[0032] In this embodiment: by connecting the hexagonal wrench with the hexagonal hole 4 and rotating the hexagonal wrench, the hexagonal wrench drives the connecting head 3 to rotate through the hexagonal hole 4, and the connecting head 3 drives the connecting column 9 and the external thread groove 11 to rotate. At this time, the external thread groove 11 and the threaded sleeve 12 are in a loosened state, so the connecting head 3 will move axially toward the outside.

[0033] Please refer to Figure 5 and Figure 6 The clamping unit includes a circular groove 18 opened inside the grinding wheel 2, the inner wall of the circular groove 18 is fixedly connected to a fixed plate 13, and the interior of the fixed plate 13 is provided with a strip groove 14;

[0034] The outer wall of the connecting column 9 is integrally formed with a protrusion 10 protruding outward, and the connecting column 9 and the outer wall of the protrusion 10 are movably connected with a rotating plate 15, an arc groove 19 is opened inside the rotating plate 15, and the strip groove 14 and the arc groove 19 are movably connected inside with a movable column 17, and the end of the movable column 17 is fixedly connected to the first limit plate 5.

[0035] In this embodiment: when the connector 3 moves outward, the connector 3 drives the connecting column 9 and the protruding portion 10 to move synchronously, and at this time, the protruding portion 10, the connecting column 9 and the rotating plate 15 slide relative to each other, and the connecting column 9 and the protruding portion 10 drive the rotating plate 15 to rotate while sliding, and the rotating plate 15 drives the arc groove 19 to rotate;

[0036] The rotating arc groove 19 squeezes the movable column 17, and the movable column 17 subjected to the squeezing force moves axially along the strip groove 14. Therefore, the end of the movable column 17 can pull the No. 1 limit plate 5 to move outward or inward. The No. 1 limit plate 5 can move outward to limit one end of the grinding wheel 2, and the No. 1 limit plate 5 can move inward to release the limit on the grinding wheel 2.

[0037] Please refer to Figure 4 A sliding groove 8 for the movement of the first limiting plate 5 is opened in the inner circumference of the frame body 1, and a receiving groove 16 for the movement of the movable column 17 is opened in the inner circumference of the frame body 1.

[0038] In this embodiment: when the movable column 17 moves, the receiving groove 16 provides a moving space for the movable column 17, and the receiving groove 16 can limit the moving direction of the movable column 17;

[0039] The movable column 17 pulls the first limiting plate 5 to move along the sliding groove 8.

[0040] Please refer to Figure 6 A hole groove that matches the outer wall of the connecting column 9 and the protrusion 10 is opened at the center of the rotating plate 15.

[0041] In this embodiment, the hole groove drives the rotating plate 15 to rotate as the protrusion 10 rotates, and the protrusion 10 can slide relative to the hole groove, so that the rotating plate 15 rotates without moving.

[0042] Please refer to Figure 2 The second limiting mechanism includes a second limiting plate 6 threadedly connected to the outer wall of the frame 1. The end of the second limiting plate 6 away from the grinding wheel 2 is fixedly connected to a hexagonal block 7 by bolts. The inner circumference of the hexagonal block 7 is larger than the outer circumference of the frame 1.

[0043] In this embodiment: after the No. 1 limiting mechanism limits one end of the grinding wheel 2, when the grinding wheel 2 is still relatively loose, the hexagonal block 7 is driven to rotate by the wrench, and the hexagonal block 7 drives the No. 2 limiting plate 6 to rotate, thereby realizing the tightening of the No. 2 limiting plate 6 and realizing the limiting of the grinding wheel 2.

[0044] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A grinding wheel frame for an internal grinding machine, comprising a frame (1) for mounting a grinding wheel (2), wherein a circular hole is provided at the center of the grinding wheel (2) and matches the outer wall of the frame (1), wherein: A first limiting mechanism for limiting one end of the grinding wheel (2) is installed inside the frame (1), and a second limiting mechanism for limiting the other end of the grinding wheel (2) is installed on the outer wall of the frame (1); The first limiting mechanism includes: a rotating unit and a clamping unit; The rotating unit in the loosened state is used to drive the clamping unit to cancel the limit on one end of the grinding wheel (2), and the rotating unit in the tightened state is used to drive the clamping unit to realize the limit on one end of the grinding wheel (2); The rotating unit comprises a through hole (20) opened at the center of the frame (1), one end of the through hole (20) is an open structure, a connector (3) is provided at the open end of the through hole (20), and a hexagonal hole (4) is opened at the center of the connector (3); A connecting column (9) is integrally formed at one end of the connecting head (3) located inside the through hole (20), an external thread groove (11) is formed at the end of the outer wall of the connecting column (9), and a screw sleeve (12) threadedly connected to the external thread groove (11) is fixedly connected to the end of the inner wall of the through hole (20); The clamping unit comprises a circular groove (18) formed inside the grinding wheel (2); a fixed plate (13) is fixedly connected to the inner wall of the circular groove (18); and a strip groove (14) is formed inside the fixed plate (13); The outer wall of the connecting column (9) is integrally formed with a protrusion (10) protruding outward, the connecting column (9) and the outer wall of the protrusion (10) are movably connected to a rotating plate (15), an arc groove (19) is provided inside the rotating plate (15), the strip groove (14) and the inside of the arc groove (19) are movably connected to a movable column (17), and the end of the movable column (17) is fixedly connected to a first limit plate (5).

2. The internal grinding wheel frame for an internal grinding machine according to claim 1, characterized in that: The frame body (1) is provided with a sliding groove (8) on the circumference of its interior for the movement of the first limiting plate (5), and the frame body (1) is provided with a receiving groove (16) on the interior for the movement of the movable column (17).

3. The internal grinding wheel frame for an internal grinding machine according to claim 1, characterized in that: A hole groove is provided at the center of the rotating plate (15) and matches the outer wall of the connecting column (9) and the protruding part (10).

4. The internal grinding wheel frame for an internal grinding machine according to claim 1, characterized in that: The second limiting mechanism comprises a second limiting plate (6) threadedly connected to the outer wall of the frame (1); one end of the second limiting plate (6) away from the grinding wheel (2) is fixedly connected to a hexagonal block (7) via bolts.

5. The internal grinding wheel frame for an internal grinding machine according to claim 4, characterized in that: The inner circumference of the hexagonal block (7) is larger than the outer circumference of the frame (1).

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