CN110142651B

CN110142651B - Cutting edge grinding device for machining tool

Info

Publication number: CN110142651B
Application number: CN201910529775.0A
Authority: CN
Inventors: 赵言
Original assignee: Anhui Jiayi Precision Electronic Technology Co Ltd
Current assignee: Anhui Jiayi Precision Electronic Technology Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-12-11
Anticipated expiration: 2039-06-19
Also published as: CN110142651A

Abstract

The invention discloses a cutting edge polishing device for a machining tool, and particularly relates to a device which is characterized in that a rotating turntable drives a sliding plate to reciprocate by utilizing a connecting rod so as to drive a grinding wheel to move continuously, and the device is matched with the rotation of the grinding wheel to realize the effect of multi-directional polishing, so that the problem that no special tool for machining a tool edge angle is provided is effectively solved. The grinding device comprises a base for bearing, a movable plate hinged above the base, a driving motor, a reciprocating mechanism and a grinding mechanism, wherein the driving motor is installed on one side of the base and connected with a power supply and a switch through a lead; the first bevel gear is respectively connected with the reciprocating mechanism and the grinding mechanism.

Description

Cutting edge grinding device for machining tool

Technical Field

The invention relates to machining equipment, in particular to a cutting edge polishing device for a machining tool.

Background

A cutting tool is a tool used for cutting work in machine manufacturing. Most knives are machine, but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool.

The working part of the cutter is a part for generating and treating the cutting chips, and comprises a cutting edge, a structure for breaking or rolling up the cutting chips, a space for discharging or storing the cutting chips, a channel of cutting fluid and other structural elements. The working part of some tools is a cutting part, such as a turning tool, a planing tool, a boring tool, a milling tool and the like.

Can have certain wearing and tearing after the cutter live time is longer for the angle of cutter cutting edge changes, needs the calibration this moment, grinds the cutter sword head, and the reuse of being convenient for prolongs the life of cutter, but the cutter cutting edge processing that has now mostly passes through the abrasive tool processing, can not realize automatic diversified grinding, does not have special cutter sword angle processingequipment.

Disclosure of Invention

Based on the defects in the prior art mentioned in the background art, the invention provides a cutting edge grinding device for a machining tool.

The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:

a cutting edge polishing device for a machining tool comprises a base for bearing, a movable plate hinged above the base, a driving motor, a reciprocating mechanism and a grinding mechanism, wherein the driving motor, the reciprocating mechanism and the grinding mechanism are installed on one side of the base and connected with a power supply and a switch through a lead; the first bevel gear is respectively connected with the reciprocating mechanism and the grinding mechanism.

As a further scheme of the invention: a reciprocating mechanism connected with a first bevel gear is arranged below the movable plate, the reciprocating mechanism comprises a rotary table rotatably arranged below the movable plate, a sliding plate slidably connected to the movable plate and a grinding wheel rotatably arranged on the sliding plate, and the rotary table is connected with the first bevel gear through a second transmission piece; the outer edge of one side of the rotary table is hinged with one end of a connecting rod, and the other end of the connecting rod is hinged on the sliding plate.

As a still further scheme of the invention: the two sides of the upper part of the sliding plate are provided with convex blocks, the two sides of the upper part of the movable plate are fixedly connected with guide grooves embedded with the convex blocks, and the movable plate is provided with a hollow groove for the sliding plate to pass through.

As a still further scheme of the invention: the base is hinged to the bottom of the air cylinder, the upper portion of the air cylinder is connected with the piston rod in a sliding mode, and the upper end of the piston rod is hinged to the movable plate.

As a still further scheme of the invention: the grinding mechanism comprises a second bevel gear meshed with the first bevel gear and fixed at one end of the sleeve and a telescopic rod sleeved on the sleeve, wherein the sleeve is rotatably arranged on the movable plate, the telescopic rod penetrates through the upper part of the sliding plate and is connected with a bearing of the sliding plate, and the end part of the telescopic rod is connected with a grinding wheel through a third transmission piece.

As a still further scheme of the invention: the sleeve both sides all are provided with the spacing arch that is used for preventing the sleeve removal, have seted up the spout on the telescopic inner wall, be provided with on the outer wall of telescopic link with the sand grip of the spout looks adaptation on the sleeve inner wall.

As a still further scheme of the invention: and the base is fixedly connected with a workbench for mounting a cutter.

After adopting the structure, compared with the prior art, the invention has the following advantages: the device thereby drives the fly leaf lifting through the cylinder subassembly and realizes processing different cutting angle's sword angle, the pivoted worm drives worm wheel and first bevel gear and rotates, first bevel gear drives carousel and second bevel gear rotation simultaneously, wherein, thereby second bevel gear drives sleeve and telescopic link and rotates and utilize the third driving medium to drive the emery wheel and rotate, realize the efficiency of polishing, thereby the pivoted carousel utilizes the connecting rod to drive slide reciprocating motion and drive the continuous shift position of emery wheel, cooperate its rotation to realize diversified efficiency of polishing.

Drawings

Fig. 1 is a schematic structural view of a cutting edge grinding apparatus for a machining tool.

Fig. 2 is a schematic view showing a structure of a protrusion and a guide groove in a cutting edge grinding apparatus for a machining tool.

Fig. 3 is a schematic structural view of a limiting protrusion and a sleeve in the cutting edge grinding device for a machining tool.

In the figure: 1-a base; 2-a workbench; 3-a movable plate; 4-driving the motor; 5-a worm; 6-a worm gear; 7-a first transmission member; 8-a first bevel gear; 9-a second transmission member; 10-a turntable; 11-a connecting rod; 12-a slide plate; 13-a guide groove; 14-a grinding wheel; 15-a second bevel gear; 16-a sleeve; 17-a telescopic rod; 18-a third transmission member; 19-a cylinder; 20-a piston rod; 21-a bump; 22-limit bump.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a cutting edge polishing device for a machining tool includes a base 1 for supporting, a movable plate 3 hinged above the base 1, a driving motor 4 installed at one side of the base 1 and connected to a power supply and a switch through a wire, a reciprocating mechanism, and a grinding mechanism;

specifically, the output end of the driving motor 4 is connected with a worm 5 rotatably arranged on the base 1, a worm wheel 6 rotatably arranged on the base 1 is meshed above the worm 5, it should be noted that the rotation center of the worm wheel 6 is overlapped with the rotation center of the movable plate 3, the worm wheel 6 is connected with a first bevel gear 8 rotatably arranged on the movable plate 3 through a first transmission piece 7, the driving motor 4 is powered on to work through pressing a switch to drive the worm 5 to rotate, so as to drive the worm wheel 6 to rotate simultaneously, and the worm wheel 6 drives the first bevel gear 8 to rotate through the first transmission piece 7;

further, a reciprocating mechanism connected with a first bevel gear 8 is arranged below the movable plate 3, the reciprocating mechanism comprises a rotary table 10 rotatably arranged below the movable plate 3, a sliding plate 12 slidably connected to the movable plate 3, and a grinding wheel 14 rotatably arranged on the sliding plate 12, the rotary table 10 is connected with the first bevel gear 8 through a second transmission member 9, and the rotary table 10 is driven to rotate by the second transmission member 9 driven by the rotating first bevel gear 8; the outer edge of one side of the rotary table 10 is hinged to one end of a connecting rod 11, the other end of the connecting rod 11 is hinged to a sliding plate 12, the two sides of the upper portion of the sliding plate 12 are provided with bumps 21, the two sides of the upper portion of the movable plate 3 are fixedly connected with guide grooves 13 embedded with the bumps 21, obviously, the movable plate 3 is provided with hollow grooves for the sliding plate 12 to pass through, the rotary table 10 drives the sliding plate 12 to reciprocate through the connecting rod 11, so that the grinding wheel 14 is driven to move along with the sliding plate, and the.

Still further, the first bevel gear 8 is connected with a grinding mechanism for driving the grinding wheel 14 to rotate, the base 1 is fixedly connected with a workbench 2 for mounting a tool, the base 1 is hinged to the bottom of the cylinder 19, the upper portion of the cylinder 19 is slidably connected with the piston rod 20, the upper end of the piston rod 20 is hinged to the movable plate 3, the cylinder 19 drives the piston rod 20 to stretch and retract so as to drive the movable plate 3 to swing, and the cutting angle is adjusted.

Example 2

In order to further explain the grinding mechanism in the cutting edge grinding device for the machining tool, in another embodiment of the present invention, the grinding mechanism includes a second bevel gear 15 engaged with the first bevel gear 8 and fixed at one end of the sleeve 16, and a telescopic rod 17 sleeved on the sleeve 16, wherein the sleeve 16 is rotatably disposed on the movable plate 3, it should be noted that, both sides of the sleeve 16 are provided with a limiting protrusion 22 for preventing the sleeve 16 from moving, an inner wall of the sleeve 16 is provided with a sliding groove, an outer wall of the telescopic rod 17 is provided with a protruding strip adapted to the sliding groove on the inner wall of the sleeve 16, the telescopic rod 17 passes through an upper portion of the sliding plate 12 and is connected to a bearing thereof, an end of the telescopic rod 17 is connected to the grinding wheel 14 through a third transmission element 18, the rotating first bevel gear 8 drives the second bevel gear 15 and the sleeve 16 to rotate, the sleeve 16 drives the telescopic rod 17, and the reciprocating slide plate 12 drives the telescopic rod 17 to continuously extend and retract in the sleeve 16, and the telescopic rod 17 drives the grinding wheel 14 to rotate by using the third transmission piece 18, namely the grinding wheel 14 rotates and moves in a reciprocating manner at the same time, so that the grinding tool has the function of reciprocating and rotating the tool bit for grinding.

From the above detailed description of the embodiments, it is easy to understand that the working principle of the present invention is: the worm 5 is driven to rotate by pressing a switch to enable the driving motor 4 to work electrically, and then the worm wheel 6 is driven to rotate simultaneously, the worm wheel 6 drives the first bevel gear 8 to rotate by the aid of the first transmission piece 7, the second transmission piece 9 is driven by the first bevel gear 8 to drive the rotary table 10 to rotate, the sliding plate 12 is driven to move back and forth by the aid of the rotary table 10 through the connecting rod 11 so as to drive the grinding wheel 14 to move along with the rotary table, a multi-direction grinding function for a cutting edge of the tool is achieved, the piston rod 20 is driven to stretch out and draw back by the aid of the air cylinder 19 so as to drive the movable plate 3 to swing, cutting angles are adjusted, the rotary first bevel gear 8 drives the second bevel gear 15 and the sleeve 16 to rotate, the sleeve 16 drives the telescopic rod 17 to rotate along with the sliding groove and the convex strip, that is, the grinding wheel 14 reciprocates while rotating, and has a function of rotationally grinding the tool bit while reciprocating.

It should be noted that, driving motor is prior art's application in this application, thereby utilize the cylinder subassembly to drive the fly leaf lifting and realize processing the sword angle of different cutting angles, the pivoted worm drives worm wheel and first bevel gear rotation, first bevel gear drives carousel and second bevel gear rotation simultaneously, wherein, thereby second bevel gear drives sleeve and telescopic link rotation and utilizes the third driving medium to drive the emery wheel and rotate, realize the efficiency of polishing, thereby the pivoted carousel utilizes the connecting rod to drive the slide reciprocating motion and drive the continuous shift position of emery wheel, it is the innovation point of this application to cooperate its rotation to realize diversified efficiency of polishing, it has effectively solved the problem that does not have special cutter sword angle of cut processing instrument.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims

1. A cutting edge polishing device for a machining tool comprises a base (1) for bearing, a movable plate (3) hinged above the base (1), a driving motor (4) installed on one side of the base (1) and connected with a power supply and a switch through a lead, a reciprocating mechanism and a grinding mechanism, and is characterized in that the output end of the driving motor (4) is connected with a worm (5) rotatably arranged on the base (1), a worm wheel (6) rotatably arranged on the base (1) is meshed above the worm (5), the rotating center of the worm wheel (6) is overlapped with the rotating center of the movable plate (3), and the worm wheel (6) is connected with a first bevel gear (8) rotatably arranged on the movable plate (3) through a first transmission piece (7); the first bevel gear (8) is respectively connected with the reciprocating mechanism and the grinding mechanism;

a reciprocating mechanism connected with a first bevel gear (8) is arranged below the movable plate (3), the reciprocating mechanism comprises a rotary table (10) rotatably arranged below the movable plate (3) and a sliding plate (12) slidably connected to the movable plate (3), a grinding wheel (14) is rotatably arranged on the sliding plate (12), and the rotary table (10) is connected with the first bevel gear (8) through a second transmission piece (9); the outer edge of one side of the rotary table (10) is hinged with one end of a connecting rod (11), and the other end of the connecting rod (11) is hinged on a sliding plate (12); the base (1) is hinged to the bottom of the air cylinder (19), the upper part of the air cylinder (19) is connected with the piston rod (20) in a sliding mode, and the upper end of the piston rod (20) is hinged to the movable plate (3); the grinding mechanism comprises a second bevel gear (15) which is meshed with the first bevel gear (8) and fixed at one end of the sleeve (16) and an expansion rod (17) sleeved on the sleeve (16), wherein the sleeve (16) is rotatably arranged on the movable plate (3), the expansion rod (17) penetrates through the upper part of the sliding plate (12) and is in bearing connection with the sliding plate, and the end part of the expansion rod (17) is connected with the grinding wheel (14) through a third transmission piece (18).

2. The cutting edge grinding device for the machining tool according to claim 1, wherein the sliding plate (12) is provided with a protrusion (21) at both sides of the upper portion thereof, the movable plate (3) is fixedly connected with a guide groove (13) engaged with the protrusion (21) at both sides of the upper portion thereof, and the movable plate (3) is provided with a hollow groove for the sliding plate (12) to pass through.

3. The cutting edge grinding device for the machining tool as claimed in claim 1, wherein limiting protrusions (22) for preventing the sleeve (16) from moving are arranged on both sides of the sleeve (16), a sliding groove is formed in the inner wall of the sleeve (16), and a convex strip matched with the sliding groove in the inner wall of the sleeve (16) is arranged on the outer wall of the telescopic rod (17).

4. A cutting edge grinding device for a machining tool according to any one of claims 1 to 3, characterized in that a table (2) for mounting a tool is fixedly connected to the base (1).