CN220260218U

CN220260218U - Clamp capable of being adjusted in rotating mode for drilling

Info

Publication number: CN220260218U
Application number: CN202321534856.8U
Authority: CN
Inventors: 梅和奎; 梅奎; 余君弟; 王萍; 梅永兵; 梅朋; 单昌国
Original assignee: Ningguo Yafei Machinery Manufacturing Co ltd
Current assignee: Ningguo Yafei Machinery Manufacturing Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2023-12-29
Anticipated expiration: 2033-06-14

Abstract

The utility model is applicable to the technical field of tool clamps, and provides a rotatable and adjustable drilling clamp which comprises a fixed column, wherein a rotating disc and a fixed ring are arranged on the side wall of the fixed column; the adjusting component comprises a threaded rod, a threaded sleeve is connected to the side wall of the threaded rod in a threaded manner, the clamping component is rotatably arranged at the bottom of the threaded sleeve, and the clamping component can clamp the inner walls of gear rings with different inner diameters by rotating the threaded sleeve; install the fixed column on the workstation, can treat the inner wall of the ring gear of punching through the clamping assembly and carry out the centre gripping in order to fix the ring gear, can remove the centre gripping to the ring gear inner wall through rotatory limiting plate, make things convenient for the ring gear to rotate, need not be through calculating and the number and can confirm rotatory angle according to the angle sign on the angle scale during the rotation, guarantee the precision of follow-up punching.

Description

Clamp capable of being adjusted in rotating mode for drilling

Technical Field

The utility model belongs to the technical field of tool clamps, and particularly relates to a drilling clamp capable of being adjusted in a rotating mode.

Background

For a combination gear, the structure is usually that a gear ring is fixed on a rotating shaft with a large diameter, or the gear ring is fixed on a fluted disc, and the fluted disc is fixed on the rotating shaft. The fluted disc is generally in key connection with the rotating shaft, and for the connection of the gear ring and the rotating shaft, the strength of the gear ring is greatly influenced if the radial thickness of the gear ring is smaller and the gear ring is in key connection with the rotating shaft. Radial holes are typically made in the ring gear and shaft, and bolts are used to fasten the ring gear to the shaft. At present, after the radial punching operation of the gear ring needs to be fixed by using a clamp, the drill bit is used for punching, the gear ring needs to be loosened and clamped once every time when punching, in addition, in order to ensure that radial holes are uniformly distributed in the circumferential direction of the gear ring, the rotation angle of the gear ring needs to be measured every time of clamping, the adjustment is frequently performed, the consumed time is long, and the operation is complex.

Chinese patent publication No. CN210756532U discloses a sliding type boring grab, which comprises a base having a vertical plane, a circular platform protruding forward horizontally from the vertical plane, two supporting blocks symmetrically fixed on the upper side of the circular platform, a fixed shaft installed in the two supporting blocks and perpendicular to the vertical plane, bearings installed on the fixed shaft, horizontal positioning grooves symmetrically arranged on both sides of the circular platform, and a plugboard matched with the horizontal positioning grooves; the rear section of each supporting block is provided with an upward opening, a bearing is arranged on a fixed shaft in the opening, and the front end of the fixed shaft penetrates out of the supporting block and is provided with another bearing; the upper left corner of the left side supporting block and the upper right corner of the right side supporting block are provided with cutting surfaces which are flush with the edges of the round platform, and the outer ring of the bearing protrudes outwards from the cutting surfaces and is contacted with the inner ring of the gear ring. The gear ring is supported by the bearings of the two fixed shafts, and the rotation angle can be determined by the number of teeth of the rotation, so that the gear ring is convenient to use.

However, the above patent has some disadvantages:

1. the angle of each tooth of gears with different teeth numbers is different, a specific numerical value of the angle of rotating one tooth is calculated by dividing 360 degrees by the tooth number of the gears, the angle value can be obtained by multiplying the tooth number by the angle value corresponding to each tooth when the rotation angle of the gear ring is calculated, and operators not only need to calculate the corresponding tooth number before rotating the gear ring, but also need to count the tooth number during rotation, so that the method is complicated and easy to deviate;

2. according to the utility model, the inner wall of the gear ring is supported by the four bearings, so that the gear ring can automatically rotate in a vertical plane, the bearings are arranged on the fixed shafts, and if the gear rings with different inner diameters are required to be supported, the distance between the fixed shafts is required to be adjusted, the operation is complicated, the working efficiency is low, and the practicability of the device is reduced.

Disclosure of Invention

The utility model provides a rotatable and adjustable drilling clamp, and aims to solve the problems that calculation and counting are needed to ensure the drilling precision when a gear ring is drilled and a constant fixed shaft is needed to be adjusted when the gear ring with different inner diameters is drilled in the prior art.

The utility model discloses a rotatable and adjustable clamp for drilling, which comprises a fixed column, wherein spiral threads are arranged on the side wall of the fixed column, a rotating disc and a fixed ring are arranged on the side wall of the fixed column, an angle disc is arranged at the top of the rotating disc, an adjusting component is arranged at the bottom of the fixed ring, and a clamping component is arranged on the adjusting component; in the scheme, the fixed column can be connected to the workbench through spiral threads; the rotating angle of the gear ring is accurately grasped through the arrangement of the angle dial; the adjusting component can ensure that the device can be used for gear rings with different inner diameters; the clamping assembly clamps the inner wall of the gear ring, so that the subsequent punching operation of the gear ring is facilitated.

Preferably, the adjusting component comprises a threaded rod, a threaded sleeve is connected to the side wall of the threaded rod in a threaded manner, the clamping component is rotatably arranged at the bottom of the threaded sleeve, and the clamping component can clamp the inner walls of gear rings with different inner diameters by rotating the threaded sleeve; in this scheme, through the position of rotating the screw sleeve adjustable screw sleeve on the threaded rod, can make the screw sleeve drive clamping assembly outside or inboard and remove promptly.

Preferably, the bottom of the fixing ring is provided with a groove, the adjusting component is rotatably installed in the groove, and the length direction of the groove is perpendicular to the axial direction of the fixing column.

Preferably, a fixed rod is connected in the groove, a rotating block is rotatably arranged on the fixed rod, and the threaded rod is connected to the bottom of the rotating block; in the scheme, the threaded rod can rotate from a vertical state to a horizontal state through the rotating block, namely, the axial direction of the threaded rod is consistent with the axial direction of the fixed column and is converted into mutually perpendicular.

Preferably, the clamping assembly comprises a connecting plate, the connecting plate is rotatably arranged at the bottom of the threaded sleeve, the bottom of the connecting plate is connected with a fixed plate, and the side wall of the fixed plate is connected with a screw rod; the side wall of the screw rod is in threaded connection with a limiting plate, a ferrule is rotatably arranged on the side wall of the screw rod, and the ferrules are positioned on two sides of the limiting plate; in the scheme, the limiting plate can rotate on the screw rod to move upwards or downwards, so that the limiting plate is matched with the fixing plate to clamp the inner wall of the gear ring.

Preferably, a clamping block is arranged at the top of the rotating disc, and the angle disc is placed at the top of the rotating disc through the clamping block; in this scheme, the angle scale passes through the fixture block to be placed at the top of rolling disc, can make the angle scale can remove simultaneously when guaranteeing rotatory rolling disc.

Compared with the prior art, the utility model has the beneficial effects that:

1. the fixing column is arranged on the workbench, the inner wall of the gear ring to be punched can be clamped through the clamping assembly to fix the gear ring, the clamping of the inner wall of the gear ring can be released through the rotation limiting plate, the gear ring can be rotated conveniently, the rotation angle can be confirmed according to the angle mark on the angle disc without calculation and counting during rotation, and the accuracy of subsequent punching is guaranteed;

2. the adjusting component can adjust the distance between the clamping component and the axis of the fixed shaft through the rotary threaded sleeve, so that the clamping component can fix the inner walls of gear rings with different inner diameters conveniently, the device is convenient and quick, and the practicability of the device is improved.

Drawings

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic view of a clamping assembly for clamping an inner wall of a ring gear according to the present utility model;

FIG. 3 is a schematic top view of the device of the present utility model clamping a ring gear (with the angle plate removed);

FIG. 4 is a schematic top view of the device of the present utility model clamping a ring gear;

in the figure:

1. fixing the column; 2. a rotating disc; 3. a clamping block; 4. a fixing ring; 5. spiral lines; 6. a groove;

7. an adjustment assembly; 71. a rotating block; 72. a fixed rod; 73. a threaded rod; 74. a threaded sleeve;

8. a clamping assembly; 81. a connecting plate; 82. a fixing plate; 83. a screw rod; 84. a ferrule; 85. a limiting plate;

9. an angle scale; 10. and a gear ring.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a rotatable anchor clamps for drilling of adjusting, includes fixed column 1, is provided with spiral line 5 on the lateral wall of fixed column 1, installs rolling disc 2 and retainer plate 4 on the lateral wall of fixed column 1, and the top of rolling disc 2 is provided with angle scale 9, and adjusting part 7 is installed to the bottom of retainer plate 4, installs clamping assembly 8 on the adjusting part 7.

As shown in fig. 1, the rotating disc 2 is disposed above the fixed ring 4, the rotating disc 2 is rotatably mounted on a side wall of the fixed column 1, and the fixed ring 4 can be fixedly mounted on the side wall of the fixed column 1 or be screwed on the side wall of the fixed column 1 (corresponding threads are required to be disposed on the side wall of the fixed column 1); the spiral lines 5 are arranged on the side wall of the fixed column 1 and close to the bottom, so that the fixed column 1 is conveniently connected to a workbench in a threaded manner.

Further, the adjusting component 7 comprises a threaded rod 73, a threaded sleeve 74 is connected to the side wall of the threaded rod 73 in a threaded mode, the clamping component 8 is rotatably installed at the bottom of the threaded sleeve 74, and the clamping component 8 can clamp the inner walls of gear rings 10 with different inner diameters through rotating the threaded sleeve 74.

Specifically, rotating the threaded sleeve 74 causes the threaded sleeve 74 to move in the threaded direction on the threaded rod 73, i.e., to move toward the side away from the axis of the fixed column 1 (increase in length) or toward the axis of the fixed column 1 (decrease in length).

Further, a groove 6 is formed in the bottom of the fixed ring 4, the adjusting component 7 is rotatably arranged in the groove 6, and the length direction of the groove 6 is mutually perpendicular to the axial direction of the fixed column 1; a fixed rod 72 is connected in the groove 6, a rotating block 71 is rotatably arranged on the fixed rod 72, and a threaded rod 73 is connected to the bottom of the rotating block 71.

Specifically, the length direction of the groove 6 is perpendicular to the radial direction of the rotating disc 2; at least three grooves 6 are formed in the bottom of the fixing ring 4, and an adjusting assembly 7 is arranged in each groove 6, namely, the inner wall of the gear ring 10 is clamped at least through three clamping assemblies 8, so that concentricity of the fixing column 1 and the gear ring 10 is kept.

Further, the clamping assembly 8 comprises a connecting plate 81, the connecting plate 81 is rotatably arranged at the bottom of the threaded sleeve 74, the bottom of the connecting plate 81 is connected with a fixed plate 82, and the side wall of the fixed plate 82 is connected with a screw 83; the side wall of the screw 83 is connected with a limiting plate 85 in a threaded manner, a ferrule 84 is rotatably arranged on the side wall of the screw 83, and the ferrules 84 are located on two sides of the limiting plate 85.

As shown in fig. 2, the right side wall of the connecting plate 81 is connected with two fixing plates 82, a screw rod 83 is connected between the two fixing plates 82, and a ferrule 84 is rotatably arranged on the screw rod 83 near the side wall of the fixing plate 82, so that the gear ring 10 can rotate conveniently; the position of the limiting plate 85 on the screw 83 can be adjusted by rotating the limiting plate 85 to clamp the inner wall of the ring gear 10.

Further, the top of the rotating disc 2 is provided with a clamping block 3, and an angle disc 9 is placed on the top of the rotating disc 2 through the clamping block 3.

Specifically, the clamping groove corresponding to the clamping block 3 is formed in the bottom of the angle disc 9, so that the angle disc 9 is conveniently clamped at the top of the rotating disc 2.

The working principle and the using flow of the utility model are as follows: after the utility model is installed, the fixed column 1 is spirally installed on a workbench, the threaded rod 73 is rotated from a vertical state to a horizontal state, the threaded sleeve 74 is rotated to a proper position, and the inside of the gear ring 10 is clamped by the rotation limiting plate 85 (at the moment, the inner wall of the gear ring 10 is contacted with the outer wall of the ferrule 84);

when it is necessary to rotate the ring gear 10:

when the puncher is movable, firstly punching a position (0 DEG) on the outer wall of the gear ring 10, marking the position (0 DEG) on the angle disc 9, then rotating the rotating disc 2 by a corresponding set angle (such as 30 DEG), and punching the side wall of the gear ring 10 at the marked position again (the position (0 DEG) corresponds to the punching position and the position (30 DEG) before punching) until the punching is finished;

when the puncher is not movable, firstly, one part (0 degree) of the outer wall of the gear ring 10 is punched, the angle disc 9 is marked with a mark (0 degree), then the limit of the limiting plate 85 on the inner wall of the gear ring 10 is released, the gear ring 10 is rotated, the punched part is rotated to the angle of 30 degrees, and the side wall of the gear ring 10 at the 0 degree is punched again until the punching is finished.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a but boring anchor clamps of rotation regulation, includes fixed column (1), its characterized in that: the novel fixing device is characterized in that spiral threads (5) are formed in the side wall of the fixing column (1), a rotating disc (2) and a fixing ring (4) are arranged on the side wall of the fixing column (1), an angle disc (9) is arranged at the top of the rotating disc (2), an adjusting component (7) is arranged at the bottom of the fixing ring (4), and a clamping component (8) is arranged on the adjusting component (7);

the adjusting component (7) comprises a threaded rod (73), a threaded sleeve (74) is connected to the side wall of the threaded rod (73) in a threaded mode, the clamping component (8) is rotatably installed at the bottom of the threaded sleeve (74), and the clamping component (8) can clamp the inner walls of gear rings (10) with different inner diameters through rotating the threaded sleeve (74).

2. A rotationally adjustable drilling jig according to claim 1, wherein: the bottom of retainer plate (4) has seted up recess (6), adjusting part (7) rotate install in recess (6), the length direction of recess (6) with the axial direction of fixed column (1) mutually perpendicular.

3. A rotationally adjustable drilling jig according to claim 2, wherein: a fixed rod (72) is connected in the groove (6), a rotating block (71) is rotatably arranged on the fixed rod (72), and the threaded rod (73) is connected to the bottom of the rotating block (71).

4. A rotationally adjustable drilling jig according to claim 1, wherein: the clamping assembly (8) comprises a connecting plate (81), the connecting plate (81) is rotatably arranged at the bottom of the threaded sleeve (74), a fixing plate (82) is connected to the bottom of the connecting plate (81), and a screw rod (83) is connected to the side wall of the fixing plate (82).

5. A rotationally adjustable drilling jig according to claim 4, wherein: the side wall of the screw rod (83) is in threaded connection with a limiting plate (85), a ferrule (84) is rotatably arranged on the side wall of the screw rod (83), and the ferrules (84) are located on two sides of the limiting plate (85).

6. A rotationally adjustable drilling jig according to claim 1, wherein: the top of rolling disc (2) is provided with fixture block (3), angle scale (9) are through fixture block (3) place in the top of rolling disc (2).