CN112476074B - Knife sharpening device of numerical control knife sharpening machine tool - Google Patents

Abstract

The invention discloses a knife sharpening device of a numerical control knife sharpening machine tool, which comprises a fixing mechanism, a knife sharpening component and a fixing component, wherein the knife sharpening component is arranged at the top of the front surface of the fixing mechanism, and the fixing component is arranged at the bottom of the front surface of the fixing mechanism; knife sharpening assembly includes the cavity box, driving motor, the dwang, the bistrique, stop gear, the top of cavity box cavity is equipped with driving motor, the one end of driving motor output shaft is provided with the dwang, inside through at the cavity box is provided with knife sharpening assembly, when the bistrique appears damaging, open the guard gate of cavity box surface and anticlockwise rotate the inside thread bush of cavity box and make the one end of threaded rod get into the inner chamber of gag lever post, thereby make the other end of gag lever post break away from the inside of gag lever post, the gag lever post when rotating the cover both sides all breaks away from the inside of gag lever post, staff alright change the bistrique, can effectual reduction staff carry out the time of spending to the bistrique in-process of changing, staff's work efficiency has been improved.

Description

A sharpening device for a CNC sharpening machine tool

technical field

The invention relates to a sharpening device of a numerically controlled sharpening machine tool.

Background technique

A tool is a tool used for cutting in mechanical manufacturing, also known as a cutting tool. Most of the tools are machine-used, but there are also hand-used tools. Since the tools used in mechanical manufacturing are basically used to cut metal materials, the word "tool" is generally understood as a metal cutting tool. Knives for cutting wood are called woodworking knives. Most of the knives are matched with the corresponding equipment. In the process of machining the knives, it is necessary to use a machining machine to sharpen one side of the knives to ensure that the knives can cut the corresponding devices.

In order to improve the efficiency of processing tools, most factories use automatic CNC grinding machines, which can achieve efficient and precise processing, so that the quality of the tools after processing is higher, thus ensuring the sales of tools.

At present, after the sharpening device on the CNC grinding machine grinds the tool for a long time, the grinding head of the sharpening device is prone to damage and other phenomena. In the process of replacing it, the staff needs to use professional tools. Replacement, and the efficiency of replacing the grinding head is low, which ultimately affects the processing efficiency of the CNC grinding machine.

SUMMARY OF THE INVENTION

The present invention provides a sharpening device for a numerically controlled sharpening machine tool, which solves the problems of long time consumption and low work efficiency in the prior art when workers replace the sharpening tool.

In order to solve the above-mentioned problems, the present invention adopts the following technical scheme: a sharpening device of a numerically controlled sharpening machine tool, comprising a numerically controlled machine tool, a sharpening assembly and a fixing mechanism, and the top of the front of the numerically controlled machine tool is provided with the sharpening assembly, The bottom of the front of the CNC machine tool is provided with the fixing mechanism;

The sharpening assembly includes a hollow box, a driving motor, a rotating rod, a grinding head, and a limit mechanism. The top of the hollow box cavity is provided with the driving motor, and one end of the output shaft of the driving motor is provided with the rotary The bottom end of the rotating rod is provided with the grinding head, the top of the outer surface of the rotating rod is provided with the limiting mechanism, and the other end of the limiting mechanism is fixedly connected with the inner wall of the hollow box.

Preferably, the limiting mechanism includes a rotating sleeve, a connecting rod, a threaded rod, a threaded sleeve, a limiting rod and a limiting sleeve, the connecting rod is provided on the outer surface of the rotating sleeve, and one end of the connecting rod is provided with There is the threaded rod, one end of the threaded rod is provided with the threaded sleeve, one side of the threaded sleeve is provided with the limit rod, and one side of the limit rod is provided with the limit sleeve, The other side of the limiting sleeve is fixedly connected with the inner wall of the hollow box, and the rotating sleeve is rotatably sleeved on the outer surface of the rotating rod.

Preferably, the bottom of the front of the CNC machine tool is provided with a groove, and the inner cavity of the groove is provided with a fixing mechanism, one side of the bottom of the front of the CNC machine tool is provided with a fixing frame, and the inner cavity of the fixing frame is provided with a lower A pressing plate, the other side of the front face of the lower pressing plate is provided with a bolt.

Preferably, the front of the hollow box is provided with a protective door, and the bottom of the front of the protective door is provided with a handle.

Preferably, the top end of the rotating rod is provided with a square groove, and the inner cavity of the square groove is adapted to one end of the output shaft of the driving motor.

Preferably, the outer surface of the threaded sleeve is provided with anti-skid threads, and the internal thread on the threaded sleeve corresponds to the external thread on the threaded rod.

Preferably, the fixing mechanism includes a fixing rod, a movable sleeve, a fixing block and a spring, the movable sleeve is provided in the middle of the outer surface of the fixing rod, the fixing block is provided on the outer surface of the movable sleeve, and the One side of the movable sleeve is provided with the spring.

The beneficial effect of the present invention is that, by arranging a sharpening assembly inside the hollow box, when the grinding head is damaged, the protective door on the outer surface of the hollow box is opened and the threaded sleeve inside the hollow box is rotated counterclockwise to make one end of the threaded rod open. Enter the inner cavity of the limit rod, so that the other end of the limit rod is separated from the inside of the limit sleeve. When the limit rods on both sides of the rotating sleeve are separated from the inside of the limit sleeve, the staff can replace the grinding head. The time spent by the staff in the process of replacing the grinding head can be effectively reduced, and the work efficiency of the staff is improved.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the schematic diagram of numerical control machine tool of the present invention;

Fig. 2 is the schematic diagram of the hollow box of the present invention;

Fig. 3 is the schematic diagram of the limiting mechanism of the present invention;

FIG. 4 is a schematic diagram of the fixing mechanism of the present invention.

Description of the symbols in the figure: 1, CNC machine tool; 2, hollow box; 3, drive motor; 4, rotating rod; 5, grinding head; 6, limit mechanism; 61, rotating sleeve; 62, connecting rod; 63, threaded rod ;64, threaded sleeve; 65, limit rod; 66, limit sleeve; 7, groove; 8, fixed mechanism; 81, fixed rod; 82, movable sleeve; 83, fixed block; 84, spring; 9, fixed frame; 10, lower pressure plate; 11, bolts; 12, protective door.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to Figures 1-4, a sharpening device for a CNC sharpening machine tool includes a CNC machine tool 1, a sharpening assembly and a fixing mechanism 8. The top of the front of the CNC machine tool 1 is fixedly installed with the sharpening assembly, and the bottom of the front of the CNC machine tool 1 is fixed A fixing mechanism 8 is installed;

The sharpening assembly includes a hollow box 2, a driving motor 3, a rotating rod 4, a grinding head 5, and a limiting mechanism 6. The top of the cavity of the hollow box 2 is fixedly installed with a driving motor 3, and one end of the output shaft of the driving motor 3 is movably sleeved with a The bottom end of the rotating rod 4 is fixedly connected with the grinding head 5 , the top of the outer surface of the rotating rod 4 is fixedly installed with a limiting mechanism 6 , and the other end of the limiting mechanism 6 is fixedly connected with the inner wall of the hollow box 2 .

The limiting mechanism 6 includes a rotating sleeve 61, a connecting rod 62, a threaded rod 63, a threaded sleeve 64, a limiting rod 65 and a limiting sleeve 66. The outer surface of the rotating sleeve 61 is fixedly connected with the connecting rod 62. One end of the threaded rod 63 is fixedly connected, and one end of the threaded rod 63 is threadedly sleeved with a threaded sleeve 64. One side of the threaded sleeve 64 is fixedly connected to a limit rod 65, and one side of the limit rod 65 is movably sleeved with a limit sleeve 66. The other side of the bit sleeve 66 is fixedly connected with the inner wall of the hollow box 2, and the rotating sleeve 61 is rotatably connected to the outer surface of the rotating rod 4, so as to better limit the grinding head 5 located inside the hollow box 2, which is convenient for the staff The grinding head 5 is quickly replaced when it is damaged.

Among them, the bottom of the front of the CNC machine tool 1 is provided with a groove 7, and the inner cavity of the groove 7 is fixedly installed with a fixing mechanism 8, and one side of the bottom of the front of the CNC machine tool 1 is fixedly installed with a fixing frame 9, and the inner cavity of the fixing frame 9 rotates A lower pressing plate 10 is connected, and the other side of the front of the lower pressing plate 10 is threadedly sleeved with a bolt 11, which realizes the limitation of the fixing mechanism 8 and achieves a better fixing effect.

A protective door 12 is fixedly installed on the front of the hollow box 2 , and a handle is installed on the bottom of the front of the protective door 12 .

The top end of the rotating rod 4 is provided with a square groove, and the inner cavity of the square groove is matched with one end of the output shaft of the driving motor 3, so that the driving motor 3 and the rotating rod 4 can be better connected together, so as to achieve a better connection effect.

Among them, the outer surface of the threaded sleeve 64 is provided with anti-skid lines, and the inner thread on the threaded sleeve 64 corresponds to the outer thread on the threaded rod 63, which realizes the length value of the connection limit mechanism 6 and ensures that the limit rod 65 can be smoothly Enter the interior of the limiting sleeve 66 .

The fixing mechanism 8 includes a fixing rod 81, a movable sleeve 82, a fixing block 83 and a spring 84. A movable sleeve 82 is rotatably connected to the middle of the outer surface of the fixing rod 81, and a fixing block 83 is fixedly installed on the outer surface of the movable sleeve 82. A spring 84 is fixedly connected to one side of the sleeve 82 , which can effectively fix the tool located on the front of the CNC machine tool 1 .

When working, first place the tool to be processed on the front of the CNC machine tool 1, and make the rear end surface of the fixed block 83 closely fit on the outer surface of the tool under the action of the spring 84, and then press the lower platen 10 by the staff. Rotate the bolt 11 on the other side of the front of the lower pressing plate 10 counterclockwise, so that the lower pressing plate 10 can fix the movable sleeve 82, so as to achieve the fixing of the fixed block 83, which can effectively ensure that the tool on the front of the CNC machine tool 1 will not be offset and other phenomena, then open the CNC machine tool 1 so that the drive motor 3 inside the hollow box 2 drives the grinding head 5 to rotate at a high speed, and controls the lifting and left-right movement of the grinding head 5 through the CNC machine tool 1, and then grinds the tool. After the head 5 is damaged, the staff will open the protective door 12 and turn the threaded sleeve 64 inside the hollow box 2 counterclockwise to make one end of the limit rod 65 break away from the inside of the limit sleeve 66, and replace the grinding head 5. To ensure the convenience of the staff when changing the grinding head 5.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (4)

1. A tool sharpening device for a CNC tool sharpening machine tool, characterized in that it comprises a CNC machine tool (1), a tool sharpening assembly and a fixing mechanism (8), wherein the CNC machine tool (1) is provided with the sharpening tool on the top of the front surface the assembly, the fixing mechanism (8) is provided at the bottom of the front of the numerical control machine tool (1); The sharpening assembly includes a hollow box (2), a driving motor (3), a rotating rod (4), a grinding head (5), and a limiting mechanism (6), and the top of the cavity of the hollow box (2) is fixedly installed There is the drive motor (3), one end of the output shaft of the drive motor (3) is movably sleeved with the rotating rod (4), and the bottom end of the rotating rod (4) is fixedly provided with the grinding head ( 5), the top of the outer surface of the rotating rod (4) is provided with the limiting mechanism (6); A groove (7) is provided on the bottom of the front of the numerical control machine tool (1), and a fixing mechanism (8) is fixedly installed in the inner cavity of the groove (7), and one side of the bottom of the front of the numerical control machine tool (1) is fixedly installed There is a fixing frame (9), the inner cavity of the fixing frame (9) is rotatably connected with a lower pressing plate (10), and the other side of the front face of the lower pressing plate (10) is threadedly sleeved with a bolt (11); The fixing mechanism (8) includes a fixing rod (81), a movable sleeve (82), a fixing block (83) and a spring (84), and the movable sleeve is rotatably sleeved in the middle of the outer surface of the fixing rod (81). (82), the fixing block (83) is fixedly arranged on the outer surface of the movable sleeve (82), and the spring (84) is fixedly connected to one side of the movable sleeve (82); The limiting mechanism (6) includes a rotating sleeve (61), a connecting rod (62), a threaded rod (63), a threaded sleeve (64), a limiting rod (65) and a limiting sleeve (66). The outer surface of the sleeve (61) is fixedly connected with the connecting rod (62), one end of the connecting rod (62) is fixedly provided with the threaded rod (63), and one end of the threaded rod (63) is threadedly sleeved There is the threaded sleeve (64), one side of the threaded sleeve (64) is fixedly connected to the limit rod (65), and one side of the limit rod (65) is movably sleeved with the limit sleeve (65). 66), the other side of the limiting sleeve (66) is fixedly connected with the inner wall of the hollow box (2), and the rotating sleeve (61) is rotatably sleeved on the outer surface of the rotating rod (4). 2 . The sharpening device of a CNC sharpening machine tool according to claim 1 , wherein a protective door ( 12 ) is provided on the front of the hollow box ( 2 ), and a protective door ( 12 ) is provided on the front of the protective door ( 12 ). 3 . There is a handle at the bottom. 3 . The sharpening device of a CNC sharpening machine tool according to claim 1 , wherein a square groove is formed at the top of the rotating rod ( 4 ), and the inner cavity of the square groove is connected to the driving motor ( 3 . 3) One end of the output shaft is matched. 4 . The sharpening device for a CNC sharpening machine tool according to claim 1 , wherein the outer surface of the threaded sleeve ( 64 ) is provided with anti-skid lines, and the internal thread on the threaded sleeve ( 64 ) Corresponding to the external thread on the threaded rod (63).

Images