Rolling cutter

Abstract

The utility model provides a rolling cutter, which relates to the technical field of cutters, and comprises a connecting piece, a rolling cutter and a rolling cutter, the inner shaft body is inserted into the inserting groove, the inner shaft body moves along the guide strip until the inserting rod is connected with the inner shaft body in an inserting mode, the inner shaft body can be fixedly installed through the second locking screw, looseness of the inner shaft body in the using process is reduced, the contact area between the interior of the inserting groove and the inner shaft body can be increased through the guide strip and the inserting rod, and therefore the inner shaft body can be fixed. The position deviation of the inner shaft body during mounting is reduced, so that the inner shaft body is convenient to mount, demount and replace, a cutter does not need to be integrally replaced, the center position and the rolling depth of a connecting piece do not need to be recalibrated, the downtime can be shortened, and the production efficiency is guaranteed; and the installation of the cylindrical ball can be reinforced, so that the looseness of the cylindrical ball and the ball positioning sleeve in the use process can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool technology field especially relates to rolling cutter. BACKGROUND

[0002] The rolling cutter is a tool for metal processing, which processes the metal surface through rolling. In the processing, the working part of the rolling cutter contacts with the surface of the metal workpiece, and under certain pressure, the surface of the workpiece is plastically deformed, so as to improve the quality, size accuracy and physical properties of the workpiece surface.

[0003] In the prior art, the tool head is easy to wear during the rolling process. When the tool head is worn to a certain extent, it needs to be disassembled and replaced. When the tool is replaced as a whole, the center position, rolling depth and other parameters of the tool need to be recalibrated, which prolongs the downtime of the equipment and reduces the production efficiency. UTILITY MODEL CONTENT

[0004] The utility model mainly provides a kind of rolling cutter of convenient disassembly and replacement, which can reduce looseness.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: the rolling cutter comprises a connecting piece, an installation thread is formed in the connecting piece, an installation mechanism is arranged on one side of the installation thread, the installation mechanism comprises a locking screw No.2, a plug-in rod and a guide strip, a plug-in slot is formed on one side of the connecting piece, the plug-in slot is fixedly connected with the plug-in rod on one side, the plug-in rod is inserted into the inner shaft body at one end, the inner shaft body is connected with the locking screw No.2 through threads, the locking screw No.2 is connected with the connecting piece through threads, and a guide groove is formed on the outer ring surface of the inner shaft body, the guide groove is slidably connected with the guide strip, and the guide strip is fixedly connected with the inner wall of the connecting piece on one side. The guide strip and the plug-in rod can guide the installation of the inner shaft body, so as to facilitate the stable installation of the inner shaft body in the connecting piece. By rotating the locking screw No.2, the inner shaft body can be quickly disassembled, so that the tool does not need to be replaced as a whole when the tool head is worn, the workload during parameter calibration is reduced, and the working efficiency of the equipment is ensured.

[0006] Preferably, a ball positioning sleeve is lapped on one side of the connecting piece, the ball positioning sleeve is penetrated by the inner shaft body, and a locking screw No.1 is connected with the ball positioning sleeve through threads, one end of the locking screw No.1 is lapped with the inner shaft body. The locking screw No.1 is used to lock the connection between the inner shaft body and the ball positioning sleeve, reduce the looseness of the ball positioning sleeve outside the inner shaft body, and realize the stable installation and use of the ball positioning sleeve.

[0007] Preferably, one side of the ball positioning sleeve is fixedly connected with a plug-in block, one side of the plug-in block is plugged with a limiting piece, so that the connection between the inner shaft body and the ball positioning sleeve is assisted by the limiting piece and the plug-in block, and the installation position of the inner shaft body in the ball positioning sleeve is limited.

[0008] Preferably, the limiting piece is arc-shaped, and one side of the limiting piece is fixedly connected with the outer ring surface of the inner shaft body, so that the installation of the inner shaft body is supported by the limiting piece, the insertion position of the inner shaft body in the ball positioning sleeve is limited by the limiting piece, and the assembly of the inner shaft body and the ball positioning sleeve is realized.

[0009] Preferably, one side of the inner shaft body is provided with a mounting hole, and a cylindrical ball is mounted in the mounting hole, so that the connection of the cylindrical ball and the inner shaft body is assisted by the mounting hole, and the combined use of the cylindrical ball and the inner shaft body is ensured.

[0010] Preferably, one end of the cylindrical ball is butt-jointed with the ball positioning sleeve, so that one side of the cylindrical ball is limited by the ball positioning sleeve, the mounting hole of the inner shaft body is prevented from being damaged due to the too large space of the cylindrical ball, and the abrasion between the cylindrical ball and the inner shaft body is reduced.

[0011] Compared with the prior art, the utility model has the advantages and positive effects that,

[0012] 1、In the utility model, one end of the plug-in rod is plugged with the inner shaft body, the guide strip is slidably connected with the inner shaft body, the inner shaft body is inserted into the plug-in slot, the inner shaft body moves along the guide strip until the plug-in rod is plugged with the inner shaft body, the installation of the inner shaft body is fixed by the locking screw two, the looseness of the inner shaft body during use is reduced, the contact area between the plug-in slot and the inner shaft body is increased by the guide strip and the plug-in rod, the position deviation of the inner shaft body during installation is reduced, the installation and dismounting and replacement of the inner shaft body are facilitated, the whole cutter does not need to be replaced, the central position of the connecting piece and the rolling depth do not need to be recalibrated, the downtime is shortened, and the production efficiency is ensured.

[0013] 2、In the utility model, the inner shaft body is inserted into the ball positioning sleeve, the limiting piece is plugged with the plug-in block, the cylindrical ball is mounted in the mounting hole of the inner shaft body, the inner shaft body is inserted into the ball positioning sleeve, and is fixed by the locking screw one, the insertion depth of the inner shaft body in the ball positioning sleeve is limited by the limiting piece and the plug-in block, the connection of the inner shaft body and the ball positioning sleeve is reinforced by the locking screw one, the installation of the cylindrical ball is reinforced by the abutting of the two inclined surfaces of the ball positioning sleeve and the inner shaft body, the looseness of the cylindrical ball and the ball positioning sleeve during use is reduced, and the stable use of the whole cutter head is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1The utility model provides a perspective view of rolling cutter;

[0015] Figure 2 The utility model provides a plug -in block structure installation schematic drawing of rolling cutter;

[0016] Figure 3 The utility model provides a plug -in rod structure section schematic drawing of rolling cutter;

[0017] Figure 4 The utility model provides a mounting hole structure schematic drawing of rolling cutter.

[0018] Legend: 1, inner shaft body, 2, cylindrical ball, 3, ball positioning sleeve, 4, locking screw one, 5, locking screw two, 6, connecting piece, 7, mounting thread, 8, plug -in rod, 9, limiting piece, 10, plug -in block, 11, plug -in groove, 12, guide strip, 13, mounting hole. Specific embodiments

[0019] In order to more clearly understand the above -mentioned purpose, features and advantages of the utility model, the utility model is further explained below with the help of drawings and examples.It needs to be explained that the embodiment of the present application and the features in the embodiment can be combined with each other without conflict.

[0020] In the following description, a lot of specific details are set forth in order to fully understand the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following disclosure.

[0021] Please refer to Figures 1-4 The utility model provides a technical scheme: rolling cutter, include: connecting piece 6, connecting piece 6 inside is set with mounting thread 7, and the one side of mounting thread 7 is provided with mounting mechanism, and the mounting mechanism includes locking screw two 5, plug -in rod 8 and guide strip 12, and the one side of connecting piece 6 is set with plug -in groove 11, and the one side of plug -in groove 11 is fixedly connected with plug -in rod 8, and the one end of plug -in rod 8 is connected with inner shaft body 1, and inner shaft body 1 is connected with locking screw two 5 through thread, and locking screw two 5 is connected with connecting piece 6 through thread, and the outer ring surface of inner shaft body 1 is set with guide groove, and guide groove is slidably connected with guide strip 12, and the one side of guide strip 12 is fixedly connected with the inner wall of connecting piece 6, and the installation of inner shaft body 1 can be guided through guide strip 12 and plug -in rod 8, to facilitate the stable installation of inner shaft body 1 in connecting piece 6, and the quick disassembly of inner shaft body 1 can be realized through the rotation of locking screw two 5, so that the overall replacement of cutter is not needed when the cutter head wears, reduce the workload when parameter calibration, guarantee the work efficiency of equipment.

[0022] As Figure 1 AndFigure 3 As shown, the connecting piece 6 is overlapped with the ball positioning sleeve 3 on one side, the ball positioning sleeve 3 is penetrated by the inner shaft body 1, and the ball positioning sleeve 3 is connected with the locking screw I 4 through threads, and the locking screw I 4 is overlapped with the inner shaft body 1 on one end, so as to lock the connection of the inner shaft body 1 and the ball positioning sleeve 3 by the locking screw I 4, reduce the looseness of the ball positioning sleeve 3 outside the inner shaft body 1, and realize the stable installation and use of the ball positioning sleeve 3.

[0023] As shown in Figure 1 and Figure 2 shown, the ball positioning sleeve 3 is fixedly connected with the plug-in block 10 on one side, and the plug-in block 10 is plugged with the limiting piece 9 on one side, so as to assist the connection between the inner shaft body 1 and the ball positioning sleeve 3 through the limiting piece 9 and the plug-in block 10, and limit the installation position of the inner shaft body 1 inside the ball positioning sleeve 3.

[0024] As shown in Figure 1 , the limiting piece 9 is arc-shaped, and the limiting piece 9 is fixedly connected with the outer ring surface of the inner shaft body 1 on one side, so as to support the installation of the limiting piece 9 by the inner shaft body 1, limit the insertion position of the inner shaft body 1 inside the ball positioning sleeve 3 through the limiting piece 9, and realize the assembly of the inner shaft body 1 and the ball positioning sleeve 3.

[0025] As shown in Figure 4 , the inner shaft body 1 is provided with a mounting hole 13 on one side, and the cylindrical ball 2 is installed in the mounting hole 13, so as to assist the connection of the cylindrical ball 2 and the inner shaft body 1 by the mounting hole 13, and ensure the combined use of the cylindrical ball 2 and the inner shaft body 1.

[0026] As shown in Figure 1 and Figure 3 shown, one end of the cylindrical ball 2 is overlapped with the ball positioning sleeve 3, so as to limit one side of the cylindrical ball 2 by the ball positioning sleeve 3, prevent the cylindrical ball 2 from damaging the mounting hole 13 of the inner shaft body 1 due to excessive space, and further reduce the wear between the cylindrical ball 2 and the inner shaft body 1.

[0027] The use method and working principle of the device are as follows: first, install the cylindrical ball 2 in the inner shaft body 1, insert the inner shaft body 1 into the ball positioning sleeve 3 from the left side, make the limiting piece 9 and the plug-in block 10 plug-in, at this time the inclined surface of the ball positioning sleeve 3 is closely combined with the inclined surface of the inner shaft body 1, one end of the cylindrical ball 2 is overlapped with the ball positioning sleeve 3, the ball positioning sleeve 3 and the inner shaft body 1 are locked by the locking screw I 4, then the inner shaft body 1 is inserted into the plug-in slot 11, the guide groove of the inner shaft body 1 moves along the guide strip 12, until the end of the inner shaft body 1 is plugged with the plug-in rod 8, the inner shaft body 1 and the connecting piece 6 are locked by the locking screw II 5, then the whole tool is installed into the machine tool through the mounting thread 7 for use.

[0028] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A rolling cutter, characterized in that, include: The connector (6) has an installation thread (7) inside. An installation mechanism is provided on one side of the installation thread (7). The installation mechanism includes a locking screw (5), a plug rod (8), and a guide bar (12). A plug groove (11) is provided on one side of the connector (6). One side of the plug groove (11) is fixedly connected to the plug rod (8). One end of the plug rod (8) is plugged into the inner shaft body (1). The inner shaft body (1) is connected to the locking screw (5) by a thread. The locking screw (5) is connected to the connector (6) by a thread. A guide groove is provided on the outer ring surface of the inner shaft body (1). The guide groove is slidably connected to the guide bar (12). One side of the guide bar (12) is fixedly connected to the inner wall of the connector (6).

2. The rolling cutter according to claim 1, characterized in that: The connector (6) has a ball positioning sleeve (3) attached to one side. The ball positioning sleeve (3) is penetrated by the inner shaft body (1). The ball positioning sleeve (3) is connected to a locking screw (4) by a thread. One end of the locking screw (4) is attached to the inner shaft body (1).

3. The rolling cutter according to claim 2, characterized in that: The ball positioning sleeve (3) is fixedly connected to one side of a plug block (10), and a limit member (9) is inserted into one side of the plug block (10).

4. The rolling cutter according to claim 3, characterized in that: The limiting member (9) is arc-shaped, and one side of the limiting member (9) is fixedly connected to the outer ring surface of the inner shaft body (1).

5. The rolling cutter according to claim 1, characterized in that: The inner shaft body (1) has a mounting hole (13) on one side, and a cylindrical ball bearing (2) is installed in the mounting hole (13).

6. The rolling cutter according to claim 5, characterized in that: One end of the cylindrical ball (2) overlaps with the ball positioning sleeve (3).

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