A new type of grinding machine

By designing simple motor chassis, rotating disc and linkage components in the drill bit grinder, the four linkage direction adjustments of the twist grinder are achieved, which solves the problems of complex structure and high cost of existing drill bit grinders, and improves operating efficiency and use Convenience.

CN111890137BActive Publication Date: 2024-12-20ZHEJIANG MEIRI INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202010933116.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-09-08
Publication Date
2024-12-20
Estimated Expiration
2040-09-08

AI Technical Summary

Technical Problem

The existing drill bit grinder has a complex structure, which increases costs, resulting in a weakening desire for small and medium-sized enterprises and becoming a sales barrier.

Method used

A new grinder with a simple structure was designed, using a motor case, a rotating disc, a linkage component and a linkage unit to realize the adjustment of four linkage directions of the twist grinding seat, including fixed plate seat, connecting plate parts, linkage plate frame, and linkage shaft With the linkage spring, the front and rear inclination movement of the grinding seat is achieved through the cooperation of the rotating disc and the arc-shaped strip.

Benefits of technology

It realizes accurate, fast and simple operation of grinding rotation, reduces costs and improves usage efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN111890137B_ABST
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Abstract

The present invention provides a new type of grinder, belonging to the technical field of grinders. It solves the problems of complex structure and high cost of existing grinders. The new type of grinder includes a machine base, a motor box arranged on the machine base, and a motor arranged in the motor box and having an output shaft, wherein a grinding wheel is arranged on the output shaft of the motor, and a twist grinding seat for grinding twist drills is arranged on one side of the machine base located on the grinding wheel, and the twist grinding seat has a rotating disk whose axis is arranged vertically with the twist grinding seat, and a rotating unit is arranged between the rotating disk and the twist grinding seat to facilitate the rotation of the rotating disk, and a linkage component linked to the twist grinding seat is arranged on the upper end surface of the machine base located on the right side of the twist grinding seat. The present invention has the advantages of simple structure and low cost.
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Description

Technical Field

[0001] The invention belongs to the technical field of grinders and relates to a novel grinder. Background Art

[0002] The drill grinder is a small tool grinder used for industrial drill bit repair. Due to its different functions, it can grind the rake angle, positive rake angle, top angle, back angle, and side edge of various common twist drills, special-shaped drills, Nizhifu drills, thin plate drills, step drills, etc., to achieve the purpose of repairing the drill bit as good as new. It is an indispensable helper for drill bit repair.

[0003] Existing drill grinders generally adjust the grinding angle semi-automatically or electrically, such as the angle direction and the eccentricity direction, but their structure is relatively complex and increases their cost, which is a huge expense and burden for small and medium-sized enterprises, thus weakening consumers' desire to purchase and becoming an obstacle to sales. Summary of the invention

[0004] The purpose of the present invention is to provide a grinding machine with a simple structure, reduced cost and grinding adjustment linkage function in view of the above problems existing in the prior art.

[0005] The objectives of the present invention can be achieved through the following technical solutions: a new type of grinding machine, comprising a machine base, a motor box arranged on the machine base, and a motor arranged in the motor box and having an output shaft, wherein a grinding wheel is arranged on the output shaft of the motor, and wherein the machine base is provided with a twist grinding seat for grinding twist drills on one side of the grinding wheel, wherein the twist grinding seat has a rotating disk whose axis is perpendicular to the twist grinding seat, wherein a rotating unit is provided between the rotating disk and the twist grinding seat for facilitating the rotation of the rotating disk, and wherein a linkage component linked to the twist grinding seat is provided on the upper end surface of the machine base located on the right side of the twist grinding seat.

[0006] In the above-mentioned novel grinding machine, the motor box is horizontally provided with a rear angle grinding seat in the shape of a plate and fixedly connected to the motor box above the grinding wheel.

[0007] In the above-mentioned new type of grinder, the linkage assembly is composed of a fixed plate seat, a connecting plate member that movably connects the fixed plate seat with the twist grinding seat, and a linkage unit, and the connecting plate member is hollow. The fixed plate seat is composed of a base plate and a fixed plate one. The connecting plate member is fixedly connected to the fixed plate one through a fixed shaft. A rotating unit is provided between the fixed shaft and the connecting plate member to facilitate the rotation of the connecting plate member. The connecting plate member is fixedly connected to the twist grinding seat through a plurality of studs.

[0008] In the above-mentioned new type of grinding machine, the linkage unit is composed of a linkage plate frame, a linkage shaft and a linkage tension spring. The linkage plate frame is arranged on the rear end surface of the fixed plate and is located behind the twist grinding seat. The linkage shaft is passed through the linkage plate frame and is located directly behind the rotating disk. The rear end surface of the rotating disk located at the linkage shaft is provided with an arc-shaped strip arranged along its circumferential direction and having an inclined surface. The linkage shaft is provided with a groove toward the front end of the rotating disk, and two symmetrically arranged connecting ears each having a connecting hole are formed. A roller is provided between the two connecting ears, which is engaged with the connecting ears and cooperates with the arc-shaped strip. The two ends of the linkage tension spring are respectively fixedly connected to the twist grinding seat and the linkage plate frame, and the two ends of the linkage tension spring are connected to the corresponding twist grinding seat and the linkage plate frame through a screw.

[0009] Compared with the prior art, this new grinding machine has the following advantages:

[0010] 1. This grinder is used for adjustment during the drill bit grinding process. When it is grinding and rotating, the grinding seat can be linked to tilt forward or backward. Compared with traditional grinders, its structure is relatively simple, so it has four linkage directions. Moreover, this grinder is accurate and fast, easy to operate, and can be easily ground without any skills, saving costs and improving the use efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the three-dimensional structure of the novel grinding machine.

[0012] Figure 2 This new grinding machine Figure 1 Schematic diagram of the three-dimensional structure without the rear angle grinding seat.

[0013] Figure 3 It is a three-dimensional structural schematic diagram of the novel grinding machine located at the linkage unit.

[0014] In the figure, 1, machine base; 2, motor box; 3, grinding wheel; 4, twist grinding seat; 5, rotating disk; 6, rotating unit; 7, rear angle grinding seat; 8, fixed plate seat; 9, connecting plate; 10, linkage unit; 11, fixed shaft; 12, linkage plate frame; 13, linkage shaft; 14, linkage tension spring; 15, arc strip; 16, groove; 17, connecting ear; 18, roller; 19, bottom plate; 20, fixed plate one. DETAILED DESCRIPTION

[0015] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0016] like Figure 1 , Figure 2 , Figure 3As shown, the new grinding machine comprises a machine base 1, a motor box 2 arranged on the machine base 1, and a motor arranged in the motor box 2 and having an output shaft, wherein a grinding wheel 3 is arranged on the output shaft of the motor, and a twist grinding seat 4 for grinding twist drills is arranged on one side of the grinding wheel 3 of the machine base 1, and a rotating disk 5 whose axis is arranged perpendicular to the twist grinding seat 4 is provided in the twist grinding seat 4, and a rotating unit 6 for facilitating the rotation of the rotating disk 5 is arranged between the outer peripheral wall of the rotating disk 5 and the inner peripheral wall of the twist grinding seat 4, and a card slot is provided on the front end surface of the rotating disk 5, and a linkage component linked to the twist grinding seat 4 is arranged on the upper end surface of the machine base 1 located on the right side of the twist grinding seat 4, and the lower end surface of the twist grinding seat 4 is connected to the upper end surface of the machine base 1 through the linkage component. There is a gap. When the rotating disk 5 rotates clockwise through the rotating unit 6, the linkage assembly drives the twist grinding seat 4 to tilt backward through the cooperation of the rotating disk 5 and the linkage assembly. When the rotating disk 5 rotates counterclockwise through the rotating unit 6, the linkage assembly drives the twist grinding seat 4 to tilt forward through the cooperation of the rotating disk 5 and the linkage assembly. The linkage assembly is composed of a fixed plate seat 8 arranged on the machine base 1 and fixedly connected thereto, a connecting plate 9 that makes the fixed plate seat 8 and the twist grinding seat 4 movably connected, and a linkage unit 10, and the connecting plate 9 is hollow. The fixed plate seat 8 is composed of a bottom plate 19 and a fixed plate 20. A rotation gap is left between the upper end surface of the bottom plate 19 and the lower end surface of the twist grinding seat 4. A fixed plate 20 is provided on the bottom plate 19. 0 is installed and used to adjust the position of the fixed plate 20. The lower end surface of the fixed plate 20 is provided with a protrusion embedded in the slide groove. The connecting plate 9 is fixedly connected to the fixed plate 20 through a fixed shaft 11. The fixed plate 20 is provided with an axial hole for the fixed shaft 11 to pass through. A limiting unit is provided at the end of the fixed shaft 11 passing through the axial hole. The limiting unit is composed of a limiting ring and a locking stud. A rotating unit is provided between the outer peripheral wall of the fixed shaft 11 and the inner peripheral wall of the corresponding connecting plate 9 to facilitate the rotation of the connecting plate 9 relative to the central axis of the fixed shaft 11. The rotating unit is composed of a plurality of rotating bearings. The connecting plate 9 is fixedly connected to the twist grinding seat 4 through a plurality of studs. The linkage unit 10 is composed of a linkage plate frame 12, a linkage shaft 13 and a linkage tension spring. 14, a linkage plate frame 12 is arranged on the rear end surface of the fixed plate 20 and is located behind the twist grinding seat 4, a linkage shaft 13 is penetrated on the linkage plate frame 12 and is located directly behind the rotating disk 5, the central axis of the linkage shaft 13 is perpendicular to the linkage plate frame 12, and the rear end surface of the rotating disk 5 located at the linkage shaft 13 is provided with an arc strip 15 arranged along its circumferential direction and having an inclined surface arranged along its arc direction, the height of the inclined surface gradually increases from top to bottom, a front end portion of the linkage shaft 13 facing the rotating disk 5 is provided with a L-shaped groove 16, and two symmetrically arranged connecting ears 17 each having a connecting hole are formed, and a roller 18 that is engaged with the connecting ears 17 and cooperates with the arc strip 15 and can rotate is provided between the two connecting ears 17,The roller 18 is located above the arc strip 15, and the roller 18 is connected to the connecting ear 17 through a pin shaft. The two ends of the linkage tension spring 14 are respectively fixedly connected to the twist grinding seat 4 and the linkage plate frame 12. Both ends of the linkage tension spring 14 are connected to the corresponding twist grinding seat 4 and the linkage plate frame 12 through a screw. One end of the linkage tension spring 14 located at the twist grinding seat 4 is arranged directly below the connecting plate 9, and one end of the linkage tension spring 14 located at the linkage plate frame 12 is arranged directly below the linkage plate frame 12.

[0017] As a preferred structure, the motor box 2 is horizontally provided with a plate-shaped rear angle grinding seat 7 fixedly connected to the motor box 2 above the grinding wheel 3, and a grinding hole is provided on the upper end face of the rear angle grinding seat 7 located at the front end, and a slider is provided on the upper end face of the rear angle grinding seat 7 located at the rear end, and a grinding hole is provided on the upper end face of the slider. The rotating unit 6 is a connecting sleeve with an internal thread, which rotates with the rotating disk 5 through threaded cooperation, and an external thread matching the internal thread is provided on the inner circumferential wall of the rotating disk 5.

[0018] The operating principle of the present new grinding machine is as follows: when the rotating disk 5 rotates clockwise, the arc strip 15 is driven to rotate clockwise together and conflicts with the roller 18. At the same time, since the twist grinding seat 4 is movably connected with the linkage plate frame 12 through the connecting plate 9, the twist grinding seat 4 tilts backward, and the linkage tension spring 14 is pulled apart due to the backward tilt. When it rotates back counterclockwise, the arc strip 15 gradually separates from the roller 18, and is pulled back by the elastic force of the linkage tension spring 14, so the twist grinding seat 4 tilts forward.

[0019] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A novel grinding machine, comprising a machine base (1), a motor box (2) arranged on the machine base (1), and a motor arranged in the motor box (2) and having an output shaft, wherein a grinding wheel (3) is arranged on the output shaft of the motor. It is characterized in that The machine base (1) is located on one side of the grinding wheel (3) and is provided with a twist grinding seat (4) for grinding a twist drill. The twist grinding seat (4) has a rotating disk (5) whose axis is vertically arranged with the twist grinding seat (4). A rotating unit (6) is arranged between the rotating disk (5) and the twist grinding seat (4) to facilitate the rotation of the rotating disk (5). The upper end surface of the machine base (1) located on the right side of the twist grinding seat (4) is provided with a linkage component linked to the twist grinding seat (4). The motor box (2) is located above the grinding wheel (3) and is horizontally provided with a plate The invention relates to a rear angle surface grinding seat (7) which is shaped and fixedly connected to the motor box (2), wherein the linkage assembly is composed of a fixed plate seat (8), a connecting plate member (9) which movably connects the fixed plate seat (8) and the twist grinding seat (4), and a linkage unit (10), and the connecting plate member (9) is hollow. The fixed plate seat (8) is composed of a bottom plate (19) and a fixed plate 1 (20), and the connecting plate member (9) is fixedly connected to the fixed plate 1 (20) via a fixed shaft (11), and a rotating shaft is provided between the fixed shaft (11) and the connecting plate member (9) to facilitate the rotation of the connecting plate member (9). The connecting plate (9) is fixedly connected to the twist grinding seat (4) through a plurality of studs. The linkage unit (10) is composed of a linkage plate frame (12), a linkage shaft (13) and a linkage tension spring (14). The linkage plate frame (12) is arranged on the rear end surface of the fixed plate (20) and is located behind the twist grinding seat (4). The linkage shaft (13) is passed through the linkage plate frame (12) and is located directly behind the rotating disk (5). The rear end surface of the rotating disk (5) located at the linkage shaft (13) is provided with a spring arranged along its circumferential direction and having a An arc-shaped strip (15) with an inclined surface, a groove (16) is provided on the front end of the linkage shaft (13) facing the rotating disk (5), and two symmetrically arranged connecting ears (17) are formed, each having a connecting hole, and a roller (18) is arranged between the two connecting ears (17) and is engaged with the arc-shaped strip (15). The two ends of the linkage tension spring (14) are respectively fixedly connected to the twist grinding seat (4) and the linkage plate frame (12), and the two ends of the linkage tension spring (14) are connected to the corresponding twist grinding seat (4) and the linkage plate frame (12) through a screw.

Citation Information

Patent Citations

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