Novel PNM mining coupler key groove correction tool

Abstract

The utility model discloses a novel PNM mine coupling keyway correction cutter, which comprises a lengthened cutter handle, an extension rod, a mounting seat and a polishing mechanism arranged on the mounting seat, the extension rod is fixedly connected to the lengthened cutter handle, the mounting seat is connected to one end of the extension rod, and the polishing mechanism is connected to the extension rod through the mounting seat. According to the novel PNM mining coupler key groove correction tool, the grinding mechanism is connected to one end of the extension rod through the mounting base, and the extension rod is connected with the lengthened tool handle, so that enough machining depth can be achieved while the whole tool is moved through a gantry machining center tool; according to the mining coupler key groove correcting device, the linear cutting can be conducted on the mining coupler key groove, the machining precision of the mining coupler key groove can be improved, the product quality is improved, and meanwhile due to the fact that the mining coupler does not need to be moved, the machining safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coupling production and processing, in particular to a novel PNM mining coupling keyway correction tool. Background Art

[0002] A coupling is a device that connects two shafts or a shaft and a rotating part, rotates together during the transmission of motion and power, and does not disengage under normal circumstances. Mining couplings are one type of couplings, used in heavy industrial scenarios such as mining. The overall weight of a mining coupling is about 6 tons, and the keyway processing depth is relatively long, and the keyway processing is generally performed by wire cutting.

[0003] According to the utility model patent application with patent number: CN210919865U and publication date of 2020-07-03, an integrated mining coupling assembly is disclosed, including a first coupling and a second coupling, the first coupling is provided with a plurality of positioning columns, the second coupling is provided with positioning holes cooperating with the positioning columns, a buffer spring is provided in the positioning hole, a sealing gasket is provided between the first coupling and the second coupling, and the surfaces of the first coupling and the second coupling are both provided with a corrosion-resistant layer. Its main technical effects are: a number of positioning columns and positioning holes are provided, and the first coupling component and the second coupling component are positioned through the positioning columns and the positioning holes to ensure that the two connecting shafts are coaxial; a buffer spring is provided in the positioning hole, and the buffer spring buffers the axial force between the first coupling component and the second coupling component to prevent the coupling from being damaged by excessive force and reduce noise at the same time; the first coupling component and the second coupling component are sealed by a sealing gasket to prevent the entry of debris; the surfaces of the first coupling component and the second coupling component are provided with a corrosion-resistant layer to prevent corrosion by debris to increase the service life.

[0004] The mining coupling is heavy and high. During production, the keyway is cut by wire cutting, but the wire cutting accuracy is poor, resulting in unqualified keyway width. Manual repair is time-consuming and laborious. Therefore, a new PNM mining coupling keyway correction tool is proposed to solve the problem of time-consuming and labor-intensive manual repair after wire cutting of keyways in the prior art. Utility Model Content

[0005] The utility model aims to provide a novel PNM mining coupling keyway correction tool, aiming to solve the problem of time-consuming and labor-intensive manual repair after the keyway is machined by wire cutting in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A new type of PNM mining coupling keyway correction tool comprises an extended tool handle, an extension rod, a mounting seat and a grinding mechanism arranged on the mounting seat, the extension rod is fixedly connected to the extended tool handle, the mounting seat is connected to one end of the extension rod, and the grinding mechanism is connected to the extension rod through the mounting seat.

[0008] Preferably, an arc-shaped positioning groove is provided at the end of the extended knife handle, a square positioning groove is symmetrically provided on the outer wall of one end of the extension rod, a threaded connection end is provided at the end of the extended knife handle, a threaded rod is provided at the end of the extension rod, the extended knife handle is connected to the threaded rod via the threaded connection end, a positioning block is connected to the inside of the arc-shaped positioning groove and the square positioning groove, and the positioning block is fixedly connected to the extended knife handle.

[0009] Preferably, the end of the extension rod is connected to a connecting plate, and both the end of the extension rod and the end of the connecting plate are provided with a sliding groove, the extension rod and the connecting plate are connected by the sliding groove and bolts, and the mounting seat is fixedly connected to the connecting plate.

[0010] Preferably, the grinding mechanism comprises a driving motor and a grinding block, the driving motor is fixedly mounted on the connecting plate via a mounting seat, and the grinding block is fixedly mounted on the output end of the driving motor.

[0011] In the above technical scheme, the utility model provides a new type of PNM mining coupling keyway correction tool, which has the following beneficial effects:

[0012] In the utility model, a grinding mechanism is connected to one end of an extension rod through a mounting seat, and the extension rod is connected to an extended tool handle, so that the entire tool can be moved by a gantry machining center tool while having a sufficient machining depth, and thus the keyway of the mining coupling after wire cutting can be corrected, thereby improving the machining accuracy of the keyway of the mining coupling and improving product quality. At the same time, since there is no need to move the mining coupling, the machining safety is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0014] Figure 1 The overall structural diagram provided for the embodiment of the utility model;

[0015] Figure 2 A schematic diagram of the assembly structure of the extension rod provided in an embodiment of the utility model;

[0016] Figure 3This is a schematic diagram of the assembly structure of the grinding mechanism provided in an embodiment of the utility model.

[0017] Description of reference numerals:

[0018] 1. Extended shank; 11. Arc-shaped positioning groove; 12. Threaded connection end; 2. Extension rod; 21. Square positioning groove; 22. Threaded rod; 23. Mounting plate; 24. Slide groove; 3. Mounting seat; 4. Grinding mechanism; 41. Drive motor; 42. Grinding block; 5. Positioning block; 6. Connecting plate. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] See also Figure 1 —3. A new type of PNM mining coupling keyway correction tool, including an extended tool handle 1, an extension rod 2, a mounting seat 3 and a grinding mechanism 4 arranged on the mounting seat 3. The extension rod 2 is fixedly connected to the extended tool handle 1, the mounting seat 3 is connected to one end of the extension rod 2, and the grinding mechanism 4 is connected to the extension rod 2 through the mounting seat 3.

[0021] Specifically, one end of the extended tool handle 1 is the same as the tool handle in the prior art, so that the fixture of the gantry machining center can clamp the extended tool handle 1, and the extension rod 2 is fixedly connected to the extended tool handle 1 to ensure reliability during processing. The grinding mechanism 4 is connected to the extension rod 2 through the mounting seat 3, so that the grinding mechanism 4 can be clamped by the gantry machining center. The extended tool handle 1 is clamped by the clamping mechanism of the gantry machining center and is driven to move, and the inner wall of the keyway on the coupling is ground by the grinding mechanism 4.

[0022] In the utility model, a grinding mechanism 4 is connected to one end of an extension rod 2 through a mounting seat 3, and the extension rod 2 is connected to an extended tool handle 1, so that the entire device can be moved by a gantry machining center tool while having a sufficient machining depth, thereby being able to correct the keyway of the mining coupling after wire cutting, thereby improving the machining accuracy of the keyway of the mining coupling and improving product quality. At the same time, since there is no need to move the mining coupling, the machining safety is improved.

[0023] As an embodiment provided by the utility model, Figure 1 and Figure 2As shown, an arc-shaped positioning groove 11 is symmetrically opened on the axial outer wall at one end of the extended shank 1, and a square positioning groove 21 is symmetrically opened on the circumferential outer wall at one end of the extension rod 2. A threaded connection end 12 is fixedly provided on the outer wall at the end of the extended shank 1, and a threaded rod 22 is provided at the end of the extension rod 2. When connecting, the threaded connection end 12 on the extended shank 1 is first threadedly connected with the threaded rod 22 provided at the end of the extension rod 2. After connection, the positioning block 5 is fixed to the arc-shaped positioning groove 11 by screws, and the other end of the positioning block 5 is embedded in the square positioning groove 21, which can enhance the connection strength and prevent loosening during use.

[0024] As an embodiment provided by the utility model, further, a mounting plate 23 is fixedly provided at one end of the extension rod 2 away from the extended knife handle 1, the mounting plate 23 is adapted to the connecting plate 6, and sliding grooves 24 are opened on the outer wall of the mounting plate 23. The number of the sliding grooves 24 is several, and the several sliding grooves 24 are distributed in a circular array. The mounting seat 3 is fixedly connected to the connecting plate 6, and the mounting plate 23 and the connecting plate 6 are connected by bolts. The angle of the connecting plate 6 can be adjusted by the bolts and the sliding grooves 24, and the grinding angle can be corrected.

[0025] As an embodiment provided by the utility model, Figure 3 As shown, the grinding mechanism 4 includes a driving motor 41 and a grinding block 42 . The driving motor 41 is fixedly mounted on the connecting plate 6 through the mounting seat 3 , and the grinding block 42 is fixedly mounted on the output end of the driving motor 41 .

[0026] Those skilled in the art will appreciate that other similar connection methods may also be used to implement the present invention, such as welding, bonding or screwing.

[0027] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A new type of PNM mining coupling keyway correction tool, comprising an extended tool handle (1), characterized in that: The invention also comprises an extension rod (2), a mounting seat (3) and a grinding mechanism (4) arranged on the mounting seat (3); the extension rod (2) is fixedly connected to the extended handle (1); the mounting seat (3) is connected to one end of the extension rod (2); and the grinding mechanism (4) is connected to the extension rod (2) via the mounting seat (3).

2. A new type of PNM mining coupling keyway correction tool according to claim 1, characterized in that: The end of the extended knife handle (1) is provided with an arc-shaped positioning groove (11), the outer wall of one end of the extension rod (2) is symmetrically provided with a square positioning groove (21), the end of the extended knife handle (1) is provided with a threaded connection end (12), the end of the extension rod (2) is provided with a threaded rod (22), the extended knife handle (1) is connected to the threaded rod (22) via the threaded connection end (12), the arc-shaped positioning groove (11) and the square positioning groove (21) are internally connected with a positioning block (5), and the positioning block (5) is fixedly connected to the extended knife handle (1).

3. A new type of PNM mining coupling keyway correction tool according to claim 1, characterized in that: It also includes a connecting plate (6), the end of the extension rod (2) is connected to a mounting plate (23), a sliding groove (24) is provided on the outer wall of the mounting plate (23), the sliding groove (24) and the connecting plate (6) are connected via the sliding groove (24) and bolts, and the mounting seat (3) is fixedly connected to the connecting plate (6).

4. A new type of PNM mining coupling keyway correction tool according to claim 1, characterized in that: The grinding mechanism (4) comprises a driving motor (41) and a grinding block (42); the driving motor (41) is fixedly mounted on the connecting plate (6) via a mounting seat (3); and the grinding block (42) is fixedly mounted on the output end of the driving motor (41).

Images