CN217666485U

CN217666485U - Groove knife handle and blade for bearing

Info

Publication number: CN217666485U
Application number: CN202221360684.2U
Authority: CN
Inventors: 崔小波; 崔文哲; 崔成立
Original assignee: Jiangsu Yisidaer Precision Technology Co ltd
Current assignee: Jiangsu Yisidaer Precision Technology Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-10-28
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses a channel handle and blade for bearing, including handle, tool bit and gland, the upper surface of tool bit has seted up first mounting groove and second mounting groove, be 90 settings and all be used for installing the blade between first mounting groove and the second mounting groove; the tool bit is rotationally arranged on the surface of the tool handle through a rotating shaft, and the tool bit rotates forwards by 90 degrees or rotates backwards by 90 degrees each time, so that the first mounting groove or the second mounting groove is located at a working position; the pressing cover presses the blade and is fixedly connected to the cutter head. The utility model discloses match two blades with a handle of a knife, utilize the rotation of tool bit to make two blades replace between operating position and idle position, give the sufficient cooling time of blade, guarantee the quality in lathe groove.

Description

Groove knife handle and blade for bearing

Technical Field

The utility model relates to a bearing processing cutter specifically is a channel handle of a knife and blade for bearing.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision.

The inner wall of the bearing ring needs to be turned into a channel groove by a channel cutter, and because the volume of the blade is small, high heat can be generated due to continuous rotation in the groove turning process, the replacement time of the ring is short, the blade cannot be cooled within a short time, and the quality of the next ring can be influenced by the high-temperature blade.

SUMMERY OF THE UTILITY MODEL

For solving the defect of above-mentioned prior art, the utility model provides a trench handle of a knife and blade for bearing, the utility model discloses match two blades with a handle of a knife, utilize the rotation of tool bit to make two blades replace between operating position and idle position, give the sufficient cooling time of blade, guarantee the quality of grooving.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: a groove knife handle for a bearing comprises a knife handle, a knife head and a gland, wherein a first mounting groove and a second mounting groove are formed in the upper surface of the knife head, are arranged at an angle of 90 degrees and are used for mounting a blade; the tool bit is rotatably arranged on the surface of the tool handle through a rotating shaft, and the tool bit rotates forwards by 90 degrees or rotates backwards by 90 degrees each time, so that the first mounting groove or the second mounting groove is located at a working position; the gland presses the blade and is fixedly connected with the cutter head.

Furthermore, a sinking groove is formed in one end part of the surface of the cutter handle, and the cutter head is embedded in the sinking groove; the tool comprises a tool body, a tool bit and a sinking groove, wherein the tool body is provided with a tool handle shaft center hole, the tool bit is provided with a tool bit shaft center hole, and the tool handle shaft center hole is in shaft connection with the tool bit shaft center hole, so that the tool bit can rotate in the sinking groove.

Furthermore, an arc-shaped limiting groove is formed in the bottom wall of the sinking groove, a guide block is arranged on the bottom surface of the cutter head, and the guide block is located in the arc-shaped limiting groove and rotates along with the rotation of the cutter head.

Further, the shape of tool bit is cylindrical, the shape of heavy groove is the cylindrical that matches.

Furthermore, a threaded hole is formed in the cutter head, a fixing hole is formed in the gland, and the fixing hole is connected with the threaded hole through a bolt.

A channel blade for a bearing comprises a blade, wherein two end parts of the blade are respectively provided with a blade surface, a chip removal groove is formed in the joint of the blade surfaces and the blade, and two sides of each blade surface are respectively provided with a limiting surface; the cutter face and the limiting face are jointly provided with a heat dissipation groove; the blade is applied to the grooved tool shank for the bearing.

Furthermore, the side surface of the blade is provided with a vent hole, and the vent hole extends into the blade and then is communicated with the heat dissipation groove.

Further, the heat dissipation groove is S-shaped.

To sum up, the utility model discloses following technological effect has been gained:

1. the utility model arranges two blades on one handle, to realize alternate operation of two blades, to provide enough cooling time for the other blade;

2. the utility model discloses a blade does benefit to the cooling in the timely effluvium of heat that will produce after during operation and work, guarantees the quality of turning groove.

Drawings

FIG. 1 is a top view of a handle with two blades according to an embodiment of the present invention;

FIG. 2 is a schematic view of a grooved shank for a bearing;

FIG. 3 is a schematic view of a tool shank;

FIG. 4 is a schematic view of a tool tip;

FIG. 5 is a schematic view of another angle of the tool tip;

FIG. 6 is a schematic view of a blade;

fig. 7 is a schematic view of a blade with S-grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example (b):

as shown in fig. 1 and fig. 2, fig. 1 shows a top view of a handle of a table blade 4, fig. 2 shows a hidden blade, and fig. 2 shows a trench handle for a bearing, which includes a handle 1, a tool bit 2 and a gland 3, wherein the tool bit 2 is embedded in one end portion of the surface of the handle 1, and after the blade 4 is installed, the gland 3 is pressed on the blade 4 and fixed on the tool bit 2 by bolts.

As shown in fig. 3, a sinking groove 101 is formed at one end of the surface of the tool shank 1, and the tool bit 2 is embedded in the sinking groove 101; the center of the sink groove 101 is provided with a tool shank axial hole 102, as shown in fig. 4, the center of the tool bit 2 is provided with a tool bit axial hole 201, and the tool shank axial hole 102 and the tool bit axial hole 201 are coupled to each other, so that the tool bit 2 can rotate in the sink groove 101. Wherein the rotation is forward rotation by 90 ° or reverse rotation by 90 °.

As shown in fig. 3, the bottom wall of the sinking groove 101 is provided with an arc-shaped limiting groove 103, as shown in fig. 5, the bottom surface of the cutter head 2 is provided with a guide block 205, and the guide block 205 is located in the arc-shaped limiting groove 103 and rotates along with the rotation of the cutter head 2. The existence of the arc-shaped limiting groove 103 enables the rotation of the cutter head 2 to be circumferential rotation, and further, the angle of the arc-shaped limiting groove 103 is 90 degrees, so that the maximum rotation angle of the cutter head 2 is 90 degrees, and the angle of the blade 4 on the cutter head 2 is changed.

Of course, the shape of the cutting head 2 is cylindrical, and the shape of the sink 101 is a matching cylindrical shape, so as to facilitate the rotation of the cutting head 2.

In addition, a servo motor or other components (not shown) capable of driving the tool bit 2 to rotate are further arranged and installed on the bottom surface of the tool holder 1, after the tool bit 2 is coupled to the tool holder 1 in a shaft coupling mode, the rotating shaft penetrates through the tool holder 1 and then is connected to the servo motor, and the servo motor drives the rotating shaft to rotate forwards or backwards by 90 degrees. Servo motor precision is high, can be with the accurate rotation of tool bit 2 to fixed 90 angles.

As shown in fig. 4, the upper surface of the cutter head 2 is provided with a first mounting groove 202 and a second mounting groove 203, and the first mounting groove 202 and the second mounting groove 203 are arranged at 90 ° and are used for mounting the blade 4; tool bit 2 sets up on the surface of handle of a knife 1 through the pivot rotary type, tool bit 2 is by servo motor drive corotation 90 or reversal 90 at every turn, so that first mounting groove 202 or second mounting groove 203 are located the work position, wherein, as shown in fig. 1, the blade 4 of downside is in the work position, left blade 4 is in idle position, after blade 4 when the station position carries out one or more grooving, tool bit 2 anticlockwise rotation 90, make left blade 4 be located the work position, carry out subsequent grooving work, treat that this blade grooving is once or after many times, tool bit 2 clockwise rotation 90, make two blade exchange positions, alternate work, alternate in-process can let idle blade dispel the heat, generate heat more quality that influences the bearing during the grooving and the quality in channel groove.

In addition, the gland 3 presses the blade 4 to be fixedly connected with the cutter head 2. As shown in fig. 4, a threaded hole 204 is formed in the cutter head 2, as shown in fig. 2, a fixing hole 301 is formed in the gland 3, and the fixing hole 301 is connected with the threaded hole 204 through a bolt for pressing the blade 4 on the cutter head 2. In this embodiment, the pressing cover 4 may be a flat plate, or a groove matching with the blade 4 may be formed in the bottom surface of the flat plate, and the groove is pressed against the blade to avoid shaking.

As shown in fig. 1, after the above components are installed, the first installation groove 202 and the lower blade 4 are located at the working positions, the grooving is started, after the grooving is performed for one time or for multiple times, the servo motor is started to drive the cutter head 2 to rotate by 90 degrees, the working blade 4 is rotated to the right 90 degrees, the left blade 4 is rotated to the working position, and the subsequent grooving is started. In the left idle position, or in the right idle position, the blade 4 can be heat-dissipating, trimmed. One knife handle is provided with two blades, so that the two blades can work alternately, and the other blade is left with enough cooling time.

In addition, the tool bit 2 is connected with the tool shank 1 through a rotating shaft, a bearing or a rotary support and the like, and the tool bit 2 cannot be separated from the tool shank 1 on the tool shank 1 all the time, so that the stability of the operation is ensured.

As shown in fig. 6, a channeling blade for a bearing comprises a blade 4, and is installed on the handle, wherein two end portions of the blade 4 are respectively provided with a blade surface 401, an arc-shaped edge of the blade surface 401 is a working edge for turning a channel of a bearing ring, a chip removal groove 402 is formed at the joint of the blade surface 401 and the blade 4 for discharging scraps, and both sides of the blade surface 401 are respectively provided with a limiting surface 403 for realizing limiting by abutting against the inner wall of the bearing ring and preventing the depth of the turning groove from being too large.

As shown in fig. 7, the knife surface 401 and the limiting surface 403 are jointly provided with a heat dissipation groove 404 for dissipating heat during or after work and dissipating heat in time, and the S groove is formed on the surface, so that work is not affected. The blade 4 is provided with a vent 405 on a side surface thereof, and the vent 405 extends into the blade 4 and is communicated with the heat dissipation groove 404 for dissipating heat generated therein. The heat dissipation groove 404 is S-shaped, and the width of the inner wall of the S-shape is smaller than that of the opening, so that the S-shaped groove has a structure with a small bottom, and accumulated waste chips can be discharged conveniently.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a trench handle of a knife for bearing which characterized in that: the cutter comprises a cutter handle (1), a cutter head (2) and a gland (3), wherein a first mounting groove (202) and a second mounting groove (203) are formed in the upper surface of the cutter head (2), and the first mounting groove (202) and the second mounting groove (203) are arranged in a 90-degree manner and are used for mounting a blade (4); the tool bit (2) is rotatably arranged on the surface of the tool handle (1) through a rotating shaft, and the tool bit (2) rotates forwards by 90 degrees or rotates backwards by 90 degrees each time, so that the first installation groove (202) or the second installation groove (203) is located at a working position; the pressing cover (3) presses the blade (4) and is fixedly connected with the cutter head (2).

2. The groove tool shank for the bearing according to claim 1, characterized in that: a sinking groove (101) is formed in one end of the surface of the cutter handle (1), and the cutter head (2) is embedded in the sinking groove (101); a knife handle shaft center hole (102) is formed in the center of the sinking groove (101), a knife head shaft center hole (201) is formed in the center of the knife head (2), the knife handle shaft center hole (102) is in shaft connection with the knife head shaft center hole (201), and the knife head (2) can rotate in the sinking groove (101).

3. The groove tool shank for the bearing according to claim 2, characterized in that: arc-shaped limiting grooves (103) are formed in the bottom walls of the sunken grooves (101), guide blocks (205) are arranged on the bottom surfaces of the cutter heads (2), and the guide blocks (205) are located in the arc-shaped limiting grooves (103) and rotate along with the rotation of the cutter heads (2).

4. The groove tool shank for the bearing according to claim 3, characterized in that: the shape of the tool bit (2) is cylindrical, and the shape of the sink groove (101) is matched with that of the cylinder.

5. The groove tool shank for the bearing according to claim 4, characterized in that: threaded holes (204) are formed in the tool bit (2), fixing holes (301) are formed in the gland (3), and the fixing holes (301) are connected with the threaded holes (204) through bolts.

6. A channeled blade for bearings, characterized in that: the cutting blade comprises a cutting blade (4), wherein two end parts of the cutting blade (4) are respectively provided with a cutting surface (401), a chip groove (402) is formed in the joint of the cutting surface (401) and the cutting blade (4), and two sides of the cutting surface (401) are respectively provided with a limiting surface (403); the cutter surface (401) and the limiting surface (403) are jointly provided with a heat dissipation groove (404); the blade (4) is applied in a grooved shank for bearings according to any of claims 1-5.

7. The channel blade for bearings according to claim 6, wherein: bleeder vent (405) have been seted up to the side of blade (4), bleeder vent (405) extend to inside back of blade (4) with heat dissipation groove (404) intercommunication.

8. A channeled blade for bearings according to claim 7, characterized in that: the heat dissipation groove (404) is S-shaped.