CN113492359B

CN113492359B - Grinding machine equipment convenient for replacing grinding tool

Info

Publication number: CN113492359B
Application number: CN202111042090.7A
Authority: CN
Inventors: 肖政
Original assignee: Xuzhou Zhenhai Construction Machinery Co ltd
Current assignee: Xuzhou Jinzun Machinery Co.,Ltd.
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2021-11-16
Anticipated expiration: 2041-09-07
Also published as: CN113492359A

Abstract

The invention relates to the technical field of grinding machines, in particular to a grinding machine device convenient for replacing a grinding tool, which comprises a grinding machine body, wherein a grinding mechanism is arranged on the grinding machine body, a reset mechanism is arranged in the grinding mechanism, a placing mechanism is connected to the grinding machine body, a clamping mechanism is arranged on the placing mechanism, a rotating mechanism is arranged on the clamping mechanism, a locking mechanism is arranged in the clamping mechanism, and a cleaning mechanism is arranged on the placing mechanism; grinding machanism conveniently carries out polishing work to the work piece, conveniently carries out easy to assemble to the grinding apparatus simultaneously, and canceling release mechanical system is convenient to be dismantled the grinding apparatus, and convenient operation has improved production efficiency, and fixture and slewing mechanism are convenient carries out the centre gripping upset to a plurality of cylindrical work pieces, prevent that the work piece from becoming flexible the dislocation, improve the roughness of polishing.

Description

Grinding machine equipment convenient for replacing grinding tool

Technical Field

The invention relates to the technical field of grinding machines, in particular to a grinding machine device convenient for replacing a grinding tool.

Background

The grinding machine is a machine tool for grinding the surface of a workpiece by utilizing a grinding tool, most grinding machines use a grinding wheel rotating at a high speed for grinding, and a few grinding machines use oilstones, abrasive belts and other grinding tools and free grinding materials for processing, so that the surface of the workpiece is smooth, and the grinding machine is convenient for subsequent production and processing.

However, traditional grinding machine carries out the centre gripping through the bolt when carrying out the emery wheel installation fixedly, need pull the operation through the spanner when follow-up dismantlement is changed, consuming time power, and the operation is very inconvenient, has reduced holistic work efficiency to when grinding machine is polishing a plurality of cylinder stick both ends faces, need dismantle the cylinder stick, fasten again after the upset, so cause cylinder stick both ends roughness to produce the error easily, influence subsequent production and use.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides grinding machine equipment which is convenient for replacing a grinding tool.

The technical scheme adopted by the invention for solving the technical problems is as follows: the grinding machine equipment convenient for replacing the grinding tool comprises a grinding machine body, wherein a grinding mechanism is installed on the grinding machine body, a reset mechanism is installed inside the grinding mechanism, a placing mechanism is connected onto the grinding machine body, a clamping mechanism is installed on the placing mechanism, a rotating mechanism is installed on the clamping mechanism, a locking mechanism is installed inside the clamping mechanism, and a cleaning mechanism is installed on the placing mechanism.

Specifically, grinding machanism includes the pivot, power take off end on the grinding machine body is connected with the pivot, install the emery wheel in the pivot, be equipped with the baffle in the pivot, the annular structure of baffle for having the rectangular hole, the baffle is through conflict spring and pivot sliding connection, be equipped with a plurality of movable slots in the pivot, it is connected with a plurality of commentaries on classics pieces to rotate in the pivot, the commentaries on classics piece is located the movable slot outside, be connected with reset spring on the commentaries on classics piece, reset spring and pivot internal connection, the commentaries on classics piece is the triangle-shaped structure, change the piece and install the leather collar respectively with the baffle opposite side.

Specifically, canceling release mechanical system includes the slider, the slider is "T" shape structure, the inside sliding connection of pivot has the slider, it is connected with a plurality of guide pulleys to rotate on the slider, threaded connection has the second screw rod in the pivot, the second screw rod rotates with the slider to be connected, and is a plurality of install the connecting rod on the commentaries on classics piece, the connecting rod passes through the commentaries on classics piece is connected with the inside rotation of pivot, and is a plurality of the guide pulley is contradicted with the connecting rod respectively.

The placing mechanism comprises a collecting box, the collecting box is arranged on a grinding machine body, a magnetic block is fixedly arranged on the collecting box, two fixing shells are arranged on the collecting box, the fixing shells are of a hollow rectangular structure, a drain pipe is arranged on the fixing shells, through grooves are formed in the collecting box, the through grooves are communicated with the inside of the fixing shells, a blowoff valve is arranged on the fixing shells, two guide plates are arranged inside the fixing shells, a 45-degree included angle is formed between each guide plate and the corresponding fixing shell, a partition plate is arranged inside the fixing shells and located at the bottom of one of the guide plates, and the included angle is 45-degree between each partition plate and the corresponding fixing shell.

Specifically, clearance mechanism includes the spread groove, the magnetic path both sides are equipped with the spread groove, inside difference sliding connection of spread groove has the loose axle, install the installation piece on the loose axle, two be connected with the connecting block on the installation piece, install the mounting panel on the connecting block, the mounting panel passes through loose axle and magnetic path sliding connection, be connected with the brush on the mounting panel, the brush is contradicted with the magnetic path.

Specifically, be connected with the connecting rod on the installation piece, the connecting rod is "T" shape structure, be equipped with on the connecting rod respectively the connecting block, the connecting rod through extrusion spring with the inside sliding connection of connecting block, install the ejector pad on the mounting panel.

Specifically, fixture includes the fixing base, the fixing base has been adsorbed on the magnetic path, the fixing base is "U" font structure, the inside block of fixing base is connected with fixed frame, the inside sliding connection of fixed frame has splint, threaded connection has first screw rod on the fixed frame, first screw rod extends to fixed frame inside and rotates with splint to be connected.

Specifically, four groups of guide grooves are formed in the fixing frame, four guide rods are arranged inside the fixing seat, and the guide rods are respectively clamped with the insides of the four guide grooves.

Specifically, slewing mechanism includes the spout, be equipped with two spouts on the fixing base, the inside sliding connection of spout has the slide, be connected with expanding spring on the slide, expanding spring and fixing base internal connection, two rotate on the slide and be connected with the bull stick, the bull stick respectively with fixed frame fixed connection.

Specifically, blocked mechanical system includes the arm-tie, be equipped with the arm-tie of two symmetries on the fixing base, the arm-tie is "T" shape structure, compression spring and the inside sliding connection of fixing base are passed through to arm-tie one end, be equipped with the draw-in groove on the slide respectively, be connected with the bayonet lock on the arm-tie respectively, the bayonet lock is contradicted with the draw-in groove is inside, the bayonet lock passes through arm-tie and fixing base sliding connection.

The invention has the beneficial effects that:

(1) according to the grinding machine equipment convenient for replacing the grinding tool, the grinding tool and the grinding machine body are conveniently installed through the matched connection of the grinding mechanism and the grinding machine body, the mould is conveniently detached under the action of the reset mechanism, the operation is simple and convenient, and the production efficiency is improved.

(2) According to the grinding machine equipment convenient for replacing the grinding tool, the placing mechanism is connected with the grinding machine body in a matched mode, so that a workpiece can be placed conveniently, sundries can be cleaned and recovered conveniently, the placing mechanism can be cleaned conveniently under the action of the cleaning mechanism, and stable placement of subsequent workpieces is facilitated.

(3) The grinding machine equipment convenient for replacing the grinding tool is convenient for clamping and fixing the workpiece under the action of the clamping mechanism, is stable in placement and is convenient for grinding of the tool.

(4) According to the grinding machine equipment convenient for replacing the grinding tool, the workpiece can be conveniently turned over under the action of the rotating mechanism, the two ends of the workpiece can be conveniently polished, the flatness of the two ends of the workpiece is guaranteed, the rotating mechanism can be conveniently limited under the action of the locking mechanism, and the clamping mechanism is more stable.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a grinding machine apparatus for conveniently replacing a grinding tool according to the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is an enlarged view of the structure of the portion B shown in FIG. 1;

FIG. 4 is a schematic view of a connection structure of the grinding mechanism and the reset mechanism shown in FIG. 2;

FIG. 5 is a schematic view of the connection structure of the clamping mechanism, the rotating mechanism and the locking mechanism shown in FIG. 2;

FIG. 6 is an enlarged view of the structure of the portion C shown in FIG. 5;

FIG. 7 is a schematic view of a connection structure of the fixing frame and the first screw shown in FIG. 2;

FIG. 8 is a schematic view of the connection structure of the connection block and the mounting block shown in FIG. 3;

fig. 9 is a schematic view of a connection structure of the collecting case and the fixing case shown in fig. 1.

In the figure: 1. grinding machine body, 2, grinding mechanism, 21, grinding wheel, 22, rotating shaft, 23, rotating block, 24, movable groove, 25, return spring, 26, baffle plate, 27, leather collar, 28, abutting spring, 3, placing mechanism, 31, collecting box, 32, magnetic block, 33, through groove, 34, fixed shell, 35, guide plate, 36, partition plate, 37, drain pipe, 38, blow-off valve, 4, clamping mechanism, 41, fixed seat, 42, fixed frame, 43, first screw rod, 44, guide groove, 45, guide rod, 46, clamping plate, 5, return mechanism, 51, second screw rod, 52, slide block, 53, guide wheel, 54, connecting rod, 6, rotating mechanism, 61, sliding groove, 62, slide plate, 63, rotating rod, 64, telescopic spring, 7, locking mechanism, 71, pull plate, 72, compression spring, 73, bayonet lock pin, 74, clamping groove, 8, cleaning mechanism, 81, mounting plate, 82, brush, 83, clamping plate, 74, brush, Connecting block, 84, mounting block, 85, movable shaft, 86, connecting groove, 87, extrusion spring, 88, push block, 89 and connecting rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 9, the grinding machine equipment convenient for replacing a grinding tool provided by the invention comprises a grinding machine body 1, wherein a grinding mechanism 2 is installed on the grinding machine body 1, a reset mechanism 5 is installed inside the grinding mechanism 2, a placing mechanism 3 is connected to the grinding machine body 1, a clamping mechanism 4 is installed on the placing mechanism 3, a rotating mechanism 6 is installed on the clamping mechanism 4, a locking mechanism 7 is installed inside the clamping mechanism 4, and a cleaning mechanism 8 is installed on the placing mechanism 3.

Specifically, grinding machanism 2 includes pivot 22, the last power take off end of grinding machine body 1 is connected with pivot 22, install emery wheel 21 in the pivot 22, be equipped with baffle 26 in the pivot 22, baffle 26 is the circular ring shape structure who has the rectangular hole, baffle 26 is through conflict spring 28 and pivot 22 sliding connection, be equipped with a plurality of movable slots 24 in the pivot 22, it is connected with a plurality of commentaries on classics pieces 23 to rotate in the pivot 22, it is located the movable slot 24 outside to change piece 23, be connected with reset spring 25 on the commentaries on classics piece 23, reset spring 25 and pivot 22 internal connection, it is the triangle-shaped structure to change piece 23, change piece 23 and baffle 26 opposite side and install apron 27 respectively.

Specifically, the reset mechanism 5 includes a slider 52, the slider 52 is a "T" shaped structure, the slider 52 is slidably connected inside the rotating shaft 22, the slider 52 is rotatably connected with a plurality of guide wheels 53, the rotating shaft 22 is threadedly connected with a second screw 51, the second screw 51 is rotatably connected with the slider 52, a plurality of rotating blocks 23 are provided with connecting rods 54, the connecting rods 54 are rotatably connected with the inside of the rotating shaft 22 through the rotating blocks 23, and the plurality of guide wheels 53 are respectively abutted against the connecting rods 54.

Specifically, placing mechanism 3 is including collecting box 31, be equipped with on the grinding machine body 1 and collect box 31, fixed mounting has magnetic path 32 on collecting box 31, collect and install two set casing 34 on the box 31, set casing 34 is inside hollow rectangle structure, install drain pipe 37 on the set casing 34, collect the inside logical groove 33 that is equipped with of box 31, lead to the inside intercommunication of groove 33 and set casing 34, install blowoff valve 38 on the set casing 34, set casing 34 internally mounted has two baffle 35, the contained angle is 45 degrees between baffle 35 and the set casing 34, set casing 34 internally mounted has baffle 36, baffle 36 is located one of them baffle 35 bottom, the contained angle is 45 degrees between baffle 36 and the set casing 34.

Specifically, clearance mechanism 8 includes connecting groove 86, magnetic block 32 both sides are equipped with connecting groove 86, inside difference sliding connection of connecting groove 86 has loose axle 85, install installation piece 84, two on the loose axle 85 be connected with connecting block 83 on the installation piece 84, install mounting panel 81 on the connecting block 83, mounting panel 81 passes through loose axle 85 and magnetic block 32 sliding connection, be connected with brush 82 on mounting panel 81, brush 82 contradicts with magnetic block 32.

Specifically, be connected with connecting rod 89 on the installation piece 84, connecting rod 89 is "T" shape structure, be equipped with respectively on the connecting rod 89 connecting block 83, connecting rod 89 through extrusion spring 87 with the inside sliding connection of connecting block 83, install ejector pad 88 on the mounting panel 81.

Specifically, the clamping mechanism 4 includes a fixing base 41, the fixing base 41 is adsorbed on the magnetic block 32, the fixing base 41 is of a u-shaped structure, a fixing frame 42 is connected to the inside of the fixing base 41 in a clamping manner, a clamping plate 46 is connected to the inside of the fixing frame 42 in a sliding manner, a first screw 43 is connected to the fixing frame 42 in a threaded manner, and the first screw 43 extends into the fixing frame 42 and is rotatably connected to the clamping plate 46.

Specifically, be equipped with four groups of guide slots 44 on the fixed frame 42, fixing base 41 internally mounted has four guide arms 45, guide arm 45 respectively with the inside block of four guide slots 44 among them, fixed frame 42 is put into behind the inside block of fixing base 41, through four guide arm 45 with make under the effect of guide slot 44 fixing base 41 is inside fixed frame 42 block is stable difficult for sliding, is favorable to polishing work to the work piece.

Specifically, slewing mechanism 6 includes spout 61, be equipped with two spouts 61 on the fixing base 41, the inside sliding connection of spout 61 has slide 62, be connected with expanding spring 64 on the slide 62, expanding spring 64 and fixing base 41 internal connection, two rotate on the slide 62 and be connected with bull stick 63, bull stick 63 respectively with fixed frame 42 fixed connection.

Specifically, blocked mechanical system 7 includes arm-tie 71, be equipped with the arm-tie 71 of two symmetries on the fixing base 41, arm-tie 71 is "T" shape structure, compression spring 72 and the inside sliding connection of fixing base 41 are passed through to arm-tie 71 one end, be equipped with draw-in groove 74 on the slide 62 respectively, be connected with bayonet lock 73 on the arm-tie 71 respectively, bayonet lock 73 conflicts with draw-in groove 74 is inside, bayonet lock 73 passes through arm-tie 71 and fixing base 41 sliding connection.

When the invention is used, firstly, the rotating shaft 22 is conveniently driven to rotate under the action of the grinding machine body 1, when the grinding wheel 21 is installed, the positioning hole on the grinding wheel 21 is aligned to the positioning pin on the baffle 26, then the grinding wheel 21 and the rotating shaft 22 are sleeved and slid, the grinding wheel 21 can abut against the rotating block 23 to break away from the action of the return spring 25 and rotate and be accommodated in the movable groove 24, thereby being beneficial to enabling the grinding wheel 21 to penetrate through the rotating block 23 to abut against the baffle 26, the baffle 26 can slide under the action of the abutment spring 28, so that the grinding wheel 21 can completely slide through the rotating block 23, after the rotating block 23 has no external force abutment, the rotating block can rotate and reset under the action of the return spring 25, thereby enabling the grinding wheel 21 to be positioned between the rotating block 23 and the baffle 26, the baffle 26 can abut against and clamp the grinding wheel 21 under the action of the abutment spring 28, the grinding wheel 21 can be stably clamped and can not slide under the action of the leather ring 27, and the sliding section of the rotating shaft 22 and the baffle 26 is in a cuboid structure, the grinding wheel 21 is driven to rotate to perform grinding work through the rotating shaft 22, when the grinding wheel 21 needs to be dismounted, the grinding wheel 21 is pushed firstly, the grinding wheel 21 is separated from the rotating block 23, then the second screw 51 is rotated through a wrench, the second screw 51 drives the sliding block 52 to slide, the sliding block 52 abuts against a plurality of connecting rods 54 through guide wheels 53, the connecting rods 54 drive the rotating block 23 to rotate under the action of a reset spring 25 and are contained in the movable groove 24, so that the grinding wheel 21 can conveniently slide out, then the rotating block 23 is reset through reversely rotating the second screw 51, the subsequent installation work of the grinding wheel 21 is facilitated, through the work of the grinding machine body 1, the collecting box 31 and the magnetic block 32 can slide, the grinding work of workpieces installed on the magnetic block 32 is facilitated, meanwhile, the downstream cooling liquid and the ground chips can fall into the collecting box 31 to be stored, and the chips and the cooling liquid can swing to one side through the swing of the collecting box 31 during the work, and fall inside the fixed box through the through groove 33, the chips and the cooling liquid are enabled to flow into the bottom of the fixed shell 34 by avoiding the drain pipe 37 under the action of the two guide plates 35 and to be precipitated, the cooling liquid can be discharged through the drain pipe 37 after reaching a certain amount, the precipitated chips can not flow back and be led out under the action of the partition plate 36, the precipitated chips can be conveniently discharged under the control of the drain valve 38, the secondary pollution is reduced, when the chips and the cooling liquid are remained on the magnetic block 32, the brush 82 slides on the magnetic block 32 under the action of the movable shaft 85 by pushing the mounting plate 81, the cooling liquid and the chips on the magnetic block 32 are cleaned, the subsequent better workpiece placement is facilitated, the stability of the workpiece placement is ensured, the mounting block 84 and the connecting block 83 can be stretched under the action of the connecting rod 89, and the mounting plate 81 and the brush 82 can be conveniently rotated, the fixing frame 42 is hidden at the side wall of the magnetic block 32, so that the workpiece cannot be blocked when being processed or placed, the mounting plate 81 can be conveniently held and controlled under the action of the push block 88, the fixing base 41 can be conveniently adsorbed and fixed under the action of the magnetic block 32, a plurality of cylindrical workpieces are placed into the end part of the fixing frame 42 to be aligned, the two ends of each workpiece extend to the outside of the fixing frame 42 respectively, the first screw 43 is rotated through a wrench, the clamping plate 46 is driven by the screw to clamp and fix the workpiece inside the fixing frame 42, then the fixing frame 42 provided with the workpiece is placed into the fixing base 41 to be clamped, so that the workpiece can be conveniently polished, the workpiece can be conveniently turned and processed through the disassembly of the fixing frame 42 and the fixing base 41, the flatness of the two ends of the workpiece is ensured, after the fixing frame 42 is placed into the fixing base 41 to be clamped, the fixing frame 42 inside the fixing base 41 is stably clamped and difficultly slides through the four guide rods 45 and the guide grooves 44, when the fixed frame 42 is turned over, the two rotating rods 63 are lifted upwards, so that the rotating rods 63 drive the sliding plate 62 to slide under the action of the expansion spring 64 and the fixed frame 42 slides out of the fixed seat 41, after the fixed frame 42 slides for a certain position, the rotating rods 63 drive the fixed frame 42 to turn over by rotating the rotating rods 63, bottom polishing of a workpiece in the fixed frame 42 is facilitated, finally, external force is removed to reset the sliding plate 62 under the action of the expansion spring 64, the fixed frame 42 is driven to be clamped stably and firmly in the fixed seat 41 and not to shake easily, polishing work is facilitated, the clamping pin 73 is driven by the pull plate 71 to abut against the inside of the clamping groove 74 under the action of the compression spring 72, the sliding plate 62 is facilitated to be limited, the sliding plate 62 and the fixed frame 42 cannot shake in the fixed seat 41 when the workpiece is machined, the pull plate 71 is pulled in advance when the workpiece is turned over, the pulling plate 71 is free from the action of the compression spring 72 to drive the bayonet lock 73 to be separated from the bayonet lock 74, so that the sliding plate 62 is convenient to slide.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a conveniently change grinding machine equipment of grinding apparatus which characterized in that: the grinding machine comprises a grinding machine body (1), wherein a grinding mechanism (2) is installed on the grinding machine body (1), a reset mechanism (5) is installed inside the grinding mechanism (2), a placing mechanism (3) is connected onto the grinding machine body (1), a clamping mechanism (4) is installed on the placing mechanism (3), a rotating mechanism (6) is installed on the clamping mechanism (4), a locking mechanism (7) is installed inside the clamping mechanism (4), and a cleaning mechanism (8) is installed on the placing mechanism (3);

the grinding mechanism (2) comprises a rotating shaft (22), a power output end on the grinding machine body (1) is connected with the rotating shaft (22), a grinding wheel (21) is installed on the rotating shaft (22), a baffle (26) is arranged on the rotating shaft (22), the baffle (26) is of a circular ring-shaped structure with a rectangular hole, the baffle (26) is in sliding connection with the rotating shaft (22) through a butting spring (28), a plurality of movable grooves (24) are formed in the rotating shaft (22), a plurality of rotating blocks (23) are connected to the rotating shaft (22) in a rotating mode, the rotating blocks (23) are located on the outer sides of the movable grooves (24), a reset spring (25) is connected to each rotating block (23), and the reset spring (25) is connected with the rotating shaft (22) internally;

the reset mechanism (5) comprises a sliding block (52), the sliding block (52) is connected inside the rotating shaft (22) in a sliding mode, a second screw rod (51) is connected to the rotating shaft (22) in a threaded mode, the second screw rod (51) is rotatably connected with the sliding block (52), a plurality of rotating blocks (23) are provided with connecting rods (54), and the connecting rods (54) are rotatably connected with the inside of the rotating shaft (22) through the rotating blocks (23);

the placing mechanism (3) comprises a collecting box (31), the collecting box (31) is arranged on the grinding machine body (1), a magnetic block (32) is fixedly mounted on the collecting box (31), two fixing shells (34) are mounted on the collecting box (31), a drain pipe (37) is mounted on each fixing shell (34), a through groove (33) is formed in the collecting box (31), the through groove (33) is communicated with the inside of each fixing shell (34), a blow-down valve (38) is mounted on each fixing shell (34), two guide plates (35) are mounted in each fixing shell (34), and a partition plate (36) is mounted in each fixing shell (34);

the cleaning mechanism (8) comprises connecting grooves (86), the connecting grooves (86) are arranged on two sides of the magnetic block (32), the connecting grooves (86) are respectively and slidably connected with a movable shaft (85), mounting blocks (84) are mounted on the movable shaft (85), connecting blocks (83) are connected to the two mounting blocks (84), a mounting plate (81) is mounted on the connecting block (83), the mounting plate (81) is slidably connected with the magnetic block (32) through the movable shaft (85), a brush (82) is connected to the mounting plate (81), and the brush (82) is abutted to the magnetic block (32);

the mounting block (84) is connected with a connecting rod (89), the connecting rod (89) is of a T-shaped structure, the connecting blocks (83) are respectively arranged on the connecting rods (89), the connecting rod (89) is connected with the inside of the connecting block (83) in a sliding mode through an extrusion spring (87), and a push block (88) is mounted on the mounting plate (81);

the clamping mechanism (4) comprises a fixed seat (41), the fixed seat (41) is adsorbed on the magnetic blocks (32), the fixed seat (41) is of a U-shaped structure, and a fixed frame (42) is clamped and connected in the fixed seat (41);

the rotating mechanism (6) comprises sliding grooves (61), two sliding grooves (61) are formed in the fixed seat (41), a sliding plate (62) is connected to the inside of each sliding groove (61) in a sliding mode, an expansion spring (64) is connected to each sliding plate (62), each expansion spring (64) is connected to the inside of the corresponding fixed seat (41), rotating rods (63) are rotatably connected to the two sliding plates (62), and the rotating rods (63) are fixedly connected with the fixed frame (42) respectively;

blocked mechanical system (7) include arm-tie (71), be equipped with arm-tie (71) of two symmetries on fixing base (41), arm-tie (71) are "T" shape structure, compression spring (72) and the inside sliding connection of fixing base (41) are passed through to arm-tie (71) one end, be equipped with draw-in groove (74) on slide (62) respectively, be connected with bayonet lock (73) on arm-tie (71) respectively, bayonet lock (73) and the inside conflict of draw-in groove (74), bayonet lock (73) are through arm-tie (71) and fixing base (41) sliding connection.

2. A grinding machine apparatus for facilitating the replacement of grinding tools as claimed in claim 1, wherein: the rotating block (23) is of a triangular structure, and leather rings (27) are respectively arranged on the opposite sides of the rotating block (23) and the baffle (26).

3. A grinding machine apparatus for facilitating the replacement of grinding tools as claimed in claim 1, wherein: the sliding block (52) is of a T-shaped structure, a plurality of guide wheels (53) are rotatably connected to the sliding block (52), and the guide wheels (53) are respectively abutted to the connecting rod (54).

4. A grinding machine apparatus for facilitating the replacement of grinding tools as claimed in claim 1, wherein: the fixed shell (34) is a hollow rectangular structure, an included angle between the guide plate (35) and the fixed shell (34) is 45 degrees, the partition plate (36) is located at the bottom of one of the guide plate (35), and the included angle between the partition plate (36) and the fixed shell (34) is 45 degrees.

5. A grinding machine apparatus for facilitating the replacement of grinding tools as claimed in claim 1, wherein: the fixed frame (42) is inside sliding connection to have splint (46), threaded connection has first screw rod (43) on fixed frame (42), first screw rod (43) extend to fixed frame (42) inside and rotate with splint (46) and be connected.

6. A grinding machine apparatus for facilitating the replacement of grinding tools as claimed in claim 1, wherein: four groups of guide grooves (44) are arranged on the fixing frame (42), four guide rods (45) are installed inside the fixing seat (41), and the guide rods (45) are respectively clamped with the insides of the four guide grooves (44).