Eccentric main shaft device and vertical spherical alloy tooth grinding equipment

Through the combination of the eccentric spindle device and the vertical-mounted ball alloy tooth grinding equipment, the automatic repair of the ball tooth blade is achieved, which solves the problems of high labor intensity, low efficiency and poor pass rate in the prior art, and improves the repair accuracy and adaptability.

CN113134768BActive Publication Date: 2025-06-27MAXDRILL ROCK TOOLS CO LTD
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Patent Information

Application Number
CN202110542064.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-05-18
Publication Date
2025-06-27
Estimated Expiration
2041-05-18

AI Technical Summary

Technical Problem

The existing ball teeth grinding technology has high labor intensity, low grinding efficiency and poor pass rate, which can easily lead to inadequate grinding or over-grinding of ball teeth.

Method used

The eccentric spindle device and vertical-mounted ball alloy tooth grinding equipment are used to perform eccentric movement through the speed control motor and control module drive mounting frame to realize attitude control of the grinding spindle device, thereby automatically repairing the ball tooth brazing head.

Benefits of technology

It reduces labor intensity, improves repair efficiency and pass rate, ensures repair accuracy, and can adapt to ball-toothed drill heads of different angles.

✦ Generated by Eureka AI based on patent content.

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    Figure CN113134768B_ABST
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Abstract

The present application discloses an eccentric main shaft device and a vertical spherical alloy tooth grinding equipment. The eccentric main shaft device includes a fixing plate, a speed regulating motor, a control module and an eccentric main shaft mechanism; the speed regulating motor and the control module are arranged on the fixing plate, and the control module is electrically connected to the speed regulating motor for controlling the speed regulating motor; the speed regulating motor is connected to the eccentric main shaft mechanism, and the eccentric main shaft mechanism is eccentrically provided with a mounting bracket, and the speed regulating motor is configured to drive the mounting bracket to perform eccentric motion through the eccentric main shaft mechanism; the mounting bracket is formed with an arc-shaped mounting hole for adjustably connecting with the grinding main shaft device.
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Description

Technical Field

[0001] This application relates to the technical field of button bit repair, and more specifically, to an eccentric main shaft device and a vertical seat type spherical alloy tooth grinding equipment. Background Art

[0002] When grinding button bits, most of them use handheld button bit grinders to grind each tooth of the button bit. When grinding the arc surface of the button tooth, the handheld button bit grinder is tilted at a certain angle manually, and the handheld button bit grinder is pulled to make a circular motion at a fixed angle to achieve the grinding of the button teeth of the button bit. However, this repair method has a large labor intensity, low grinding efficiency, poor grinding qualification rate, and is prone to problems such as incomplete grinding or over-grinding of the button teeth. Summary of the Invention

[0003] This application provides an eccentric main shaft device and a vertical seat type spherical alloy tooth grinding equipment, which can solve the above problems.

[0004] This application provides an eccentric main shaft device, including a fixing plate, a speed regulating motor, a control module, and an eccentric main shaft mechanism;

[0005] The speed regulating motor and the control module are arranged on the fixing plate, and the control module is electrically connected to the speed regulating motor to control the speed regulating motor;

[0006] The speed regulating motor is connected to the eccentric main shaft mechanism, and the eccentric main shaft mechanism is eccentrically configured with a mounting bracket. The speed regulating motor is configured to drive the mounting bracket to perform an eccentric motion through the eccentric main shaft mechanism;

[0007] The mounting bracket is formed with an arc-shaped mounting hole for adjustably connecting with the grinding main shaft device.

[0008] During the above implementation process, the eccentric main shaft device is used to connect with the grinding main shaft device to perform the grinding work of the button bit. The operator fixes the grinding main shaft device at the appropriate position through bolts in the arc-shaped mounting hole according to the requirements to adapt to button teeth at different angles. The control module is manipulated to control the switch and rotation direction of the speed regulating motor, so that the eccentric motion of the mounting bracket is controllable, that is, the attitude of the grinding main shaft device is controlled, thereby realizing the automatic repair of the button bit. Compared with the prior art, in which the handheld button bit grinder is tilted at a certain angle manually and pulled to make a circular motion at a fixed angle, this technical solution can reduce the labor intensity and ensure the repair qualification rate and repair accuracy; at the same time, since the position of the grinding main shaft device and the mounting bracket is adjustable, the eccentric main shaft device can grind button teeth at different angles.

[0009] Optionally, in a possible implementation, the eccentric main shaft mechanism includes a rotating main shaft, an eccentric shaft bearing fixing seat, and a bearing;

[0010] The eccentric shaft bearing fixing seat is fixed to the fixing plate, and the bearing is arranged on the eccentric shaft bearing fixing seat;

[0011] The rotating main shaft is connected to the output shaft of the speed control motor, and the rotating main shaft is supported in the bearing and connected to the mounting frame.

[0012] In the above implementation process, the eccentric main shaft mechanism includes a rotating main shaft, an eccentric shaft bearing fixing seat, and a bearing. The rotating main shaft is connected to the output shaft of the speed control motor through a shaft sleeve. Through the cooperation of the rotating main shaft and the bearing, the power output by the speed control motor can be effectively transmitted to the mounting frame, and the grinding main shaft device can be stably driven to perform eccentric circular motion, avoiding axial crosstalk and ensuring the safety of button bit repair.

[0013] Optionally, in a possible implementation, the eccentric shaft bearing fixing seat is configured with two precision lock nuts, two O-rings, and two TC skeleton oil seals;

[0014] One of the precision lock nuts, the O-ring, and the TC skeleton oil seal is respectively arranged above and below the bearing;

[0015] An eccentric shaft bearing gland is fixed below the eccentric shaft bearing fixing seat.

[0016] In the above implementation process, by arranging the precision lock nuts, the O-ring, and the TC skeleton oil seal above and below the bearing, the stability and sealing performance of the bearing can be effectively guaranteed, which is beneficial to the safe and stable rotation of the rotating main shaft.

[0017] Optionally, in a possible implementation, the mounting frame includes an eccentric fixing plate and two eccentric side plates. The two eccentric side plates are respectively fixed on opposite sides of the eccentric fixing plate, and the two eccentric side plates are both formed with the arc-shaped mounting holes;

[0018] The eccentric fixing plate is eccentrically connected to the rotating main shaft.

[0019] In the above implementation process, the grinding main shaft device is installed between the two eccentric side plates. By adjusting the position of the bolt in the arc-shaped mounting hole, the eccentric angle of the grinding main shaft device relative to the eccentric main shaft device can be adjusted, so as to adapt to different button bit drill steels.

[0020] Optionally, in a possible implementation, the speed control motor is configured with a motor mounting seat. The motor mounting seat is fixed to the front of the fixing plate, and the speed control motor is fixed on the motor mounting seat;

[0021] A fixing plate connecting plate is provided on the back surface of the fixing plate, and the fixing plate connecting plate is used for connecting with a lifting device.

[0022] During the above implementation process, the speed-regulating motor can be stably installed on the fixing plate through the motor mounting seat, ensuring that the speed-regulating motor stably delivers power. By connecting with the lifting device through the fixing plate connecting plate, the lifting device can drive the entire eccentric main shaft device to perform a lifting motion, which is beneficial to the grinding work of the button bit. It should be noted that the speed-regulating motor can be a Zhongda 5IK120RGU-CF motor, which can be installed and fixed on the motor mounting seat through inner hexagonal cylindrical screws.

[0023] Optionally, in a possible implementation manner, the control module includes a control panel, a motor cover, and a handle;

[0024] The motor cover is fixed on the fixing plate and the speed-regulating motor is located in the motor cover;

[0025] The control panel is arranged on the front surface of the motor cover, and the control panel is electrically connected to the speed-regulating motor;

[0026] Two handles are respectively arranged on both sides of the motor cover.

[0027] During the above implementation process, the motor cover can effectively protect the speed-regulating motor by supporting the control panel. The operator can hold the handle to control the entire eccentric main shaft device. The operator can switch on and regulate the speed-regulating motor by operating the control panel.

[0028] Optionally, in a possible implementation manner, the control panel is configured with a power indicator light, a digital display time-delay relay, a first start-stop button, a selection switch, and an emergency stop button.

[0029] During the above implementation process, the power indicator light, the digital display time-delay relay, the first start-stop button, the selection switch, and the emergency stop button are used to display the working state of the speed-regulating motor and control the speed-regulating motor.

[0030] Optionally, in a possible implementation manner, the handle is configured with a second start-stop button, and the second start-stop button is connected to the control panel.

[0031] During the above implementation process, the operator controls the operation of the debugging motor through the second start-stop button on the handle, ensuring that the operator can conveniently and safely regulate the speed-regulating motor.

[0032] Optionally, in a possible implementation manner, the vertical spherical alloy tooth grinding equipment has the eccentric main shaft device described in any one of the above. Description of the Drawings

[0033] To more clearly illustrate the technical solutions of the embodiments of the present application, the accompanying drawings required for the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0034] Figure 1 It is a three-dimensional schematic diagram of an eccentric main shaft device;

[0035] Figure 2 It is the front view of the eccentric main shaft device in this embodiment;

[0036] Figure 3 It is a three-dimensional exploded schematic diagram of the eccentric main shaft device in this embodiment.

[0037] Icon: 100 - fixed plate;

[0038] 200 - speed control motor; 201 - motor mounting seat; 202 - fixed plate connecting plate; 203 - hexagon socket head cap screw;

[0039] 300 - control module; 301 - control panel; 302 - motor cover; 303 - handle; 304 - power indicator light; 305 - digital display delay relay; 306 - first start / stop button; 307 - selector switch; 308 - emergency stop button; 309 - second start / stop button;

[0040] 400 - eccentric main shaft mechanism; 401 - rotating main shaft; 402 - eccentric shaft bearing fixing seat; 403 - bearing; 404 - precision locking nut; 405 - O-ring; 406 - TC skeleton oil seal; 407 - eccentric shaft bearing gland;

[0041] 500 - mounting bracket; 501 - arc-shaped mounting hole; 502 - eccentric fixing plate; 503 - eccentric side plate. Detailed implementation manners

[0042] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. Usually, the components of the embodiments of the present application described and shown in the accompanying drawings here can be arranged and designed in various different configurations.

[0043] Accordingly, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but merely represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts fall within the scope of protection of the present application.

[0044] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0045] In the description of the embodiments of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this application is customarily placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0046] In the description of the embodiments of the present application, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0047] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0048] Next, the technical solutions in the present application will be described in conjunction with the accompanying drawings.

[0049] This embodiment provides an eccentric main shaft device, which is applied to a vertical spherical alloy tooth grinding device.

[0050] See Figures 1 - 3 , Figure 1 which is a three-dimensional schematic diagram of the eccentric main shaft device; Figure 2 which is the front view of the eccentric main shaft device in this embodiment; Figure 3 which is a three-dimensional exploded schematic diagram of the eccentric main shaft device in this embodiment.

[0051] The eccentric main shaft device includes a fixing plate 100, a speed regulating motor 200, a control module 300, and an eccentric main shaft mechanism 400;

[0052] The speed-regulating motor 200 and the control module 300 are arranged on the fixed plate 100, and the control module 300 is electrically connected to the speed-regulating motor 200 for controlling the speed-regulating motor 200;

[0053] The speed-regulating motor 200 is connected to the eccentric main shaft mechanism 400, and the eccentric main shaft mechanism 400 is eccentrically configured with a mounting bracket 500. The speed-regulating motor 200 is configured to drive the mounting bracket 500 to perform eccentric motion through the eccentric main shaft mechanism 400;

[0054] The mounting bracket 500 is formed with an arc-shaped mounting hole 501 for adjustably connecting with the grinding spindle device.

[0055] In the above implementation process, the eccentric main shaft device is used to connect with the grinding spindle device to perform the grinding work of the button bit. The operator fixes the grinding spindle device on the arc-shaped mounting hole 501 at an appropriate position according to the needs to adapt to button teeth at different angles. Manipulate the control module 300 to control the switch and rotation direction of the speed-regulating motor 200, so that the eccentric motion of the mounting bracket 500 is controllable, that is, control the posture of the grinding spindle device, thereby realizing the automatic repair of the button bit. Compared with the prior art, in which the handheld bit grinding machine is tilted at a certain angle and the handheld bit grinding machine is pulled to make a circular motion at a fixed angle, this technical solution can reduce the labor intensity and ensure the repair qualification rate and repair accuracy; at the same time, since the position of the grinding spindle device and the mounting bracket 500 is adjustable, the eccentric main shaft device can grind button teeth at different angles.

[0056] In the present disclosure, the eccentric main shaft mechanism 400 includes a rotating main shaft 401, an eccentric shaft bearing fixing seat 402, and a bearing 403;

[0057] The eccentric shaft bearing fixing seat 402 is fixed on the fixed plate 100, and the bearing 403 is arranged on the eccentric shaft bearing fixing seat 402;

[0058] The rotating main shaft 401 is connected to the output shaft of the speed-regulating motor 200, and the rotating main shaft 401 is supported in the bearing 403 and connected to the mounting bracket 500.

[0059] In the above implementation process, the eccentric main shaft mechanism 400 includes a rotating main shaft 401, an eccentric shaft bearing fixing seat 402, and a bearing 403. The rotating main shaft 401 is connected to the output shaft of the speed-regulating motor 200 through a shaft sleeve. Through the cooperation of the rotating main shaft 401 and the bearing 403, the power output by the speed-regulating motor 200 can be effectively transmitted to the mounting bracket 500, and the grinding spindle device can be stably driven to perform eccentric circular motion, avoiding axial movement and ensuring the safety of button bit repair.

[0060] In the present disclosure, the eccentric shaft bearing fixing seat 402 is configured with two precision lock nuts 404, two O-rings 405, and two TC skeleton oil seals 406;

[0061] Above and below the bearing 403, there are respectively provided a precision lock nut 404, an O-ring 405, and a TC skeleton oil seal 406;

[0062] Below the eccentric shaft bearing fixing seat 402, an eccentric shaft bearing gland 407 is fixed.

[0063] In the above implementation process, by providing the precision lock nut 404, the O-ring 405, and the TC skeleton oil seal 406 above and below the bearing 403, the stability and sealing performance of the bearing 403 can be effectively ensured, which is beneficial to the safe and stable rotation of the rotating main shaft 401.

[0064] In the present disclosure, the mounting bracket 500 includes an eccentric fixing plate 502 and two eccentric side plates 503. The two eccentric side plates 503 are respectively fixed on the opposite sides of the eccentric fixing plate 502, and both of the two eccentric side plates 503 are formed with arc-shaped mounting holes 501;

[0065] The eccentric fixing plate 502 is eccentrically connected to the rotating main shaft 401.

[0066] In the above implementation process, the grinding spindle device is installed between the two eccentric side plates 503. By adjusting the position of the adjusting bolt in the arc-shaped mounting hole 501, the eccentric angle of the grinding spindle device relative to the eccentric main shaft device can be adjusted, so as to adapt to different button bits.

[0067] In the present disclosure, the speed-regulating motor 200 is configured with a motor mounting seat 201. The motor mounting seat 201 is fixed to the front surface of the fixing plate 100, and the speed-regulating motor 200 is fixed on the motor mounting seat 201;

[0068] On the back surface of the fixing plate 100, a fixing plate 100 connecting plate 202 is provided. The fixing plate 100 connecting plate 202 is used to connect with the lifting device.

[0069] In the above implementation process, the speed-regulating motor 200 can be stably installed on the fixing plate 100 through the motor mounting seat 201, ensuring that the speed-regulating motor 200 stably transmits power. By connecting the fixing plate 100 connecting plate 202 with the lifting device, the lifting device can drive the entire eccentric main shaft device to perform a lifting movement, which is beneficial to the grinding work of the button bit. It should be noted that the speed-regulating motor 200 can be a Zhongda 5IK120RGU-CF motor, and it can be installed and fixed on the motor mounting seat 201 through the hexagon socket head cap screws 203.

[0070] In the present disclosure, the control module 300 includes a control panel 301, a motor cover 302, and a handle 303;

[0071] The motor cover 302 is fixed to the fixed plate 100, and the speed control motor 200 is located in the motor cover 302;

[0072] The control panel 301 is arranged on the front of the motor cover 302, and the control panel 301 is electrically connected to the speed control motor 200;

[0073] Two handles 303 are respectively arranged on both sides of the motor cover 302.

[0074] In the above implementation process, the motor cover 302 can effectively protect the speed control motor 200 by playing a role in supporting the control panel 301. The operator can hold the handle 303 to control the entire eccentric main shaft device. The operator can turn on / off and adjust the speed control motor 200 by operating the control panel 301.

[0075] In the present disclosure, the control panel 301 is configured with a power indicator light 304, a digital display time delay relay 305, a first start / stop button 306, a selection switch 307, and an emergency stop button 308.

[0076] In the above implementation process, the power indicator light 304, the digital display time delay relay 305, the first start / stop button 306, the selection switch 307, and the emergency stop button 308 are used to display the working state of the speed control motor 200 and control the speed control motor 200.

[0077] In the present disclosure, the handle 303 is configured with a second start / stop button 309, and the second start / stop button 309 is connected to the control panel 301.

[0078] In the above implementation process, the operator controls the operation of the debugging motor through the second start / stop button 309 on the handle 303, ensuring that the operator can conveniently and safely adjust the speed control motor 200.

[0079] In the present disclosure, a vertical spherical alloy tooth grinding device is further provided, which has the eccentric main shaft device described above.

[0080] The above are only the preferred embodiments of the present application and are not used to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An eccentric main shaft device, characterized in that, It includes a fixed plate, a speed-regulating motor, a control module, and an eccentric main shaft mechanism; The speed-regulating motor and the control module are arranged on the fixed plate, and the control module is electrically connected to the speed-regulating motor to control the speed-regulating motor; The speed-regulating motor is connected to the eccentric main shaft mechanism, and the eccentric main shaft mechanism is eccentrically configured with a mounting bracket. The speed-regulating motor is configured to drive the mounting bracket to perform eccentric motion through the eccentric main shaft mechanism; The mounting bracket is formed with an arc-shaped mounting hole for adjustably connecting with the grinding spindle device; The eccentric main shaft mechanism includes a rotating main shaft, an eccentric shaft bearing fixing seat, and a bearing; The eccentric shaft bearing fixing seat is fixed on the fixed plate, and the bearing is arranged on the eccentric shaft bearing fixing seat; The rotating main shaft is connected to the output shaft of the speed-regulating motor, and the rotating main shaft is supported in the bearing and connected to the mounting bracket; The eccentric shaft bearing fixing seat is configured with two precision locking nuts, two O-rings, and two TC skeleton oil seals; One of the precision locking nuts, the O-ring, and the TC skeleton oil seal is respectively arranged above and below the bearing; An eccentric shaft bearing gland is fixed below the eccentric shaft bearing fixing seat; The mounting bracket includes an eccentric fixing plate and two eccentric side plates. The two eccentric side plates are respectively fixed on opposite sides of the eccentric fixing plate, and both of the two eccentric side plates are formed with the arc-shaped mounting hole; The eccentric fixing plate is eccentrically connected to the rotating main shaft; The speed-regulating motor is configured with a motor mounting seat. The motor mounting seat is fixed on the front surface of the fixed plate, and the speed-regulating motor is fixed on the motor mounting seat; A fixed plate connecting plate is arranged on the back surface of the fixed plate, and the fixed plate connecting plate is used for connecting with a lifting device.

2. The eccentric main shaft device according to claim 1, wherein The control module includes a control panel, a motor cover, and a handle; The motor cover is fixed on the fixed plate, and the speed-regulating motor is located in the motor cover; The control panel is arranged on the front surface of the motor cover, and the control panel is electrically connected to the speed-regulating motor; The two handles are respectively arranged on both sides of the motor cover.

3. The eccentric main shaft device according to claim 2, wherein The control panel is configured with a power indicator light, a digital display time-delay relay, a first start-stop button, a selection switch, and an emergency stop button.

4. The eccentric main shaft device according to claim 3, wherein The handle is configured with a second start-stop button, and the second start-stop button is connected to the control panel.

5. A vertical ball-type alloy tooth grinding device, wherein The vertical ball-type alloy tooth grinding device has the eccentric main shaft device according to any one of claims 1-4.

Citation Information

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