CN221101808U

CN221101808U - Magnetizing equipment tilting mechanism

Info

Publication number: CN221101808U
Application number: CN202322668731.0U
Authority: CN
Inventors: 肖立杰
Original assignee: Tianjin Ronghui Electronics Co ltd
Current assignee: Tianjin Ronghui Electronics Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-06-07
Anticipated expiration: 2033-10-07

Abstract

The utility model relates to a turnover mechanism of magnetizing equipment, which comprises a machine tool body, wherein a bearing table is arranged on the machine tool body, a magnetizing bin is arranged at the top end of the machine tool body, a magnetizing coil is arranged in the magnetizing bin, a mounting frame is arranged on one side of the bearing table, a lifting mechanism is arranged at the bottom end of the mounting frame, a turnover device is arranged at the top end of the mounting frame, the turnover device comprises a rotating motor, a first connecting rod, a second connecting rod, an arc-shaped groove, a sliding block, a rotating shaft and a supporting seat, the supporting seat can be movably arranged on the mounting frame, one end of the second connecting rod is movably connected with the bottom end of the supporting seat, the other end of the second connecting rod is movably connected with one end of the first connecting rod, the other end of the first connecting rod is movably connected with the output end of the rotating motor, the rotating shaft is movably arranged on the supporting seat, the sliding block is arranged at one end of the rotating shaft, the arc-shaped groove is arranged on the inner wall of the top end of the mounting frame, a fixing frame is provided with a clamping mechanism, and the bottom end of the machine tool body is provided with a dust removing device.

Description

Magnetizing equipment tilting mechanism

Technical Field

The utility model relates to the technical field of magnetizing equipment, in particular to a turnover mechanism of magnetizing equipment.

Background

The magnetizing equipment is widely applied in the fields of electric power, electronics, motor manufacturing and the like, and has the main functions of generating magnetic fields to meet the magnetizing requirements of different objects, however, because of the diversity of the positions and angles of the magnetic fields required by the objects, the magnetizing equipment needs to have a turnover function to reach various magnetizing angles, and at present, the equipment is turned over mainly by manual operation, so that the efficiency is low, the angle deviation can be caused, the magnetizing effect is influenced, the working pressure of operators is increased, and the application of the magnetizing equipment in special magnetizing tasks is limited.

The magnetizing equipment is used for magnetizing objects made of magnetic materials through an external magnetic field, however, the clamping mechanism in the existing magnetizing equipment is single in structure, is difficult to adapt to magnetizing objects of different shapes and sizes, and the holding force of the objects is difficult to adjust, so that the stability of the magnetizing objects during overturning cannot be guaranteed, and therefore good magnetizing effect is difficult to achieve, in addition, the holding force of the objects is difficult to adjust, the stability of the magnetizing objects during overturning cannot be guaranteed, and good magnetizing effect is difficult to achieve.

Typical equipment that magnetizes is usually by magnetizing mechanism and magnetic field generator constitution, utilizes the magnetic field to magnetize the object, in addition, still is provided with other auxiliary parts in the equipment that magnetizes, and these parts are easy to accumulate dust in the long-term work inside, and the accumulation of dust is too much can influence the operation of equipment, and then shortens the holistic life of equipment, has also increased the maintenance cost in later stage.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model provides a turnover mechanism of magnetizing equipment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a magnetizing equipment tilting mechanism, including the lathe body, be equipped with the plummer on the lathe body, the lathe body top is equipped with the storehouse of magnetizing, be equipped with the coil that magnetizes in the storehouse of magnetizing, plummer one side is equipped with the mounting bracket, the mounting bracket bottom is provided with elevating system, tilting device is installed on the mounting bracket top, tilting device includes rotating electrical machines, head rod, second connecting rod, arc wall, slider, axis of rotation and supporting seat, but the supporting seat movable mounting is on the mounting bracket, but rotating electrical machines pass through bolt demountable installation in the mounting bracket bottom, but second connecting rod one end carries out swing joint with the supporting seat bottom, but second connecting rod other end and head rod one end carry out swing joint, but head rod other end and rotating electrical machines output carry out swing joint, but axis of rotation movable mounting is on the supporting seat, the slider sets up in axis of rotation one end, the arc wall sets up in the mounting bracket top, and the slider agrees with the arc wall mutually, but axis of rotation one end is equipped with the mount, but fixture includes pneumatic cylinder, limiting frame, fly leaf and grip block, movable plate movable mounting in the mount, but the movable mounting in the mount through bolt demountable mounting bracket, but the one end carries out swing joint with the movable connection with the head rod and the movable connection with the movable connection of the movable end.

Preferably, the dust collector comprises an air pump, an air inlet, an air pipe, a collecting box and an air outlet, the collecting box is arranged below the machine tool body, the air inlet is arranged at the top end of the machine tool body, the air pump is arranged at one side of the collecting box, the input end of the air pump is connected with the output end of the air inlet through the air pipe, the output end of the air pump is connected with the bottom end of the collecting box through the air pipe, the air outlet is arranged at the top end of the collecting box, dust can be removed periodically or in real time through the arrangement of the dust collector, dust accumulation can be effectively prevented, and accordingly the service life of each part of the equipment is prolonged.

In a further preferred embodiment, a filter plate is disposed in the collecting box, a gas purifying liquid is disposed under the filter plate, a gas pipe connected to the output end of the gas pump penetrates through the collecting box and extends below the liquid level of the gas purifying liquid, the multi-layer filter plate is detachably mounted in the collecting box, the disposed gas purifying liquid can primarily filter inhaled air, so that the content of dust and impurities in the air is reduced, and the filter plate can secondarily filter inhaled air in the collecting box, so that the dust and impurities are thoroughly filtered.

In a further preferred embodiment, the lifting mechanism comprises a cylinder and a piston rod, the bottom end of the piston rod is connected with the output end of the cylinder, the top end of the piston rod is connected with the bottom end of the mounting frame, and the lifting mechanism can drive the mounting frame to ascend or descend, so that the turnover device and the clamping device are driven to ascend or descend, the manual workload can be effectively reduced, and the production efficiency is improved.

In a further preferred mode, the inner side of the clamping plate is provided with a rubber pad, the rubber pad is detachably arranged on the inner side of the clamping plate, the arrangement of the rubber pad can prevent the sharp edge of the clamping plate from scratching the surface of a magnetized workpiece, and meanwhile, the friction force on the inner side of the clamping plate can be increased, so that the clamping is firmer.

In a further preferred mode, a speed reducer is arranged above the rotating motor, the input end of the speed reducer is detachably connected with the rotating motor, the rotating speed can be reduced by the aid of the speed reducer, the overturning action is smoother and slower, the impact caused by high-speed abrupt change is reduced, the product is prevented from being damaged in the overturning process, the rotating speeds of different levels can be realized by adjusting the speed reduction ratio, and overturning work of different products can be performed more flexibly and conveniently.

In a further preferred mode, the protection cover is arranged on the outer side of the machine tool body and made of transparent materials, the opening and closing door is arranged on one side of the protection cover, the protection cover can effectively block the influence of magnetic fields and electromagnetic waves in the working process of equipment on the outside, the protection of human bodies and other equipment is enhanced, the inside of the equipment is convenient to clean and remove dust in a closed mode, the working environment and the cleanliness of the equipment are improved, and the opening and closing door is convenient for workers to take and place magnetized workpieces.

Compared with the prior art, the utility model provides a turnover mechanism of magnetizing equipment, which comprises the following components

The beneficial effects are that:

Through mounting bracket, rotating electrical machines, head rod, second connecting rod, arc wall, slider, axis of rotation and supporting seat's setting, can realize magnetizing the 180 degrees upset of work piece, specifically speaking, can realize magnetizing the work piece through above-mentioned structure and magnetize the operation under more multi-angle, improve effect and the efficiency of magnetizing, meanwhile, this design has still alleviateed operating personnel's working strength, has simplified the operation degree of difficulty, also can satisfy more extensive requirement of magnetizing simultaneously to improve equipment's suitability.

Through mount, pneumatic cylinder, hydraulic stem, locating part, fly leaf and grip block's setting, can be according to the work piece that magnetizes of different specifications and weight, nimble adjustment holds the dynamics, more stably fixed work piece effectively, avoid the removal in the upset process and drop, thereby the object that magnetizes of different shapes and sizes is handled more easily, application scope has been enlarged, all have promotion to magnetizing equipment automation level and productivity, and can reduce manufacturing cost, in addition, can prevent the grip block edge sharp department to magnetize work piece surface scratch through the rubber pad that sets up, can increase the inboard frictional force of grip block simultaneously, make the centre gripping more firm.

Through setting up of air pump, air inlet, trachea, collecting box and gas outlet, can regularly or real-time clear away the inside dust of equipment to prevent that the dust from piling up and influencing the operation, guarantee the stability of magnetizing effect, can effectively prolong each part life through clear away the dust, reduce later maintenance degree of difficulty and cost, simultaneously, set up filter and gaseous purifying liquid in the collecting box, can thoroughly filter dust and impurity and collect through the multiple filtration with the inhaled air, this makes the gaseous cleaner of emission, both environmental protection, also reduces the influence to the staff.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a structure with a protective cover portion removed in the present utility model;

FIG. 3 is a schematic view of a mounting frame portion of the present utility model;

FIG. 4 is a schematic cross-sectional view of a mounting frame portion of the present utility model;

FIG. 5 is a schematic cross-sectional view of a portion of the collecting tank according to the present utility model.

In the figure: 1. a machine tool body; 2. a carrying platform; 3. magnetizing the bin; 4. magnetizing coils; 5. a mounting frame; 6. a rotating electric machine; 7. a first connecting rod; 8. a second connecting rod; 9. an arc-shaped groove; 10. a slide block; 11. a rotating shaft; 12. a support base; 13. a fixing frame; 14. a hydraulic cylinder; 15. a hydraulic rod; 16. a limiting frame; 17. a movable plate; 18. a clamping plate; 19. an air pump; 20. an air inlet; 21. an air pipe; 22. a collection box; 23. an air outlet; 24. a filter plate; 25. a cylinder; 26. a piston rod; 27. a rubber pad; 28. a speed reducer; 29. a protective cover; 30. and a door is opened and closed.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1 to 5, in an embodiment of the present utility model:

The utility model provides a magnetizing equipment tilting mechanism, includes lathe body 1, be equipped with plummer 2 on the lathe body 1, lathe body 1 top is equipped with the storehouse 3 that magnetizes, be equipped with the coil 4 that magnetizes in the storehouse 3 that magnetizes, plummer 2 one side is equipped with mounting bracket 5, mounting bracket 5 bottom is provided with elevating system, tilting device is installed on mounting bracket 5 top, tilting device includes rotating electrical machines 6, head rod 7, second connecting rod 8, arc wall 9, slider 10, axis of rotation 11 and supporting seat 12, supporting seat 12 movable mounting is on mounting bracket 5, rotating electrical machines 6 pass through the bolt demountable installation in mounting bracket 5 bottom, but second connecting rod 8 one end and supporting seat 12 bottom carry out swing joint, but the swing joint is carried out to second connecting rod 8 other end and head rod 7 one end, but first connecting rod 7 other end and rotating electrical machines 6 output end carry out swing joint, axis of rotation 11 movable mounting is on supporting seat 12, slider 10 sets up in axis of rotation 11 one end, arc wall 9 sets up at 5 top inner walls, and slider 9 and slider 10 have, but the swing joint 11 and 16 in the pneumatic cylinder clamping mechanism is equipped with one side of swing joint 13, 13 in the clamping cylinder clamping frame 13, the one side is connected with the movable cylinder clamping plate 13, and the movable cylinder clamping plate is in the movable clamping frame is equipped with 13, and the movable clamping plate is in the movable clamping frame is equipped with one end 13, and the movable clamping plate is connected with 16, and the movable clamping mechanism is in one side of the movable clamping plate 13, and is connected with the movable clamping plate 13, the bottom of the machine tool body 1 is provided with a dust removing device.

In the embodiment of the utility model, the dust removing device comprises an air pump 19, an air inlet 20, an air pipe 21, a collecting box 22 and an air outlet 23, wherein the collecting box 22 is arranged below the machine tool body 1, the air inlet 20 is arranged at the top end of the machine tool body 1, the air pump 19 is arranged at one side of the collecting box 22, the input end of the air pump 19 is connected with the output end of the air inlet 20 through the air pipe 21, the output end of the air pump 19 is connected with the bottom end of the collecting box 22, the air outlet 23 is arranged at the top end of the collecting box 22, the air pump 19 is opened, the air in the protective cover 29 can be sucked together through the air pipe 21 connected with the input end and the air inlet 20 connected with the other end of the air pipe 21, then the sucked air and dust are conveyed into the collecting box 22 through the air pipe 21 connected with the output end of the air pump 19, and then discharged through the air outlet 23 arranged at the top end of the collecting box 22.

In the embodiment of the present utility model, the collecting box 22 is provided with the filter plates 24, the gas purifying liquid is placed under the filter plates 24, the filter plates 24 are detachably installed in the collecting box 22, the air conveyed into the collecting box 22 will firstly reach below the liquid level of the gas purifying liquid placed in the collecting box 22 through the air pipe 21, after preliminary filtration of the gas purifying liquid, the air will be discharged upwards in a bubble manner, and then the impurities and dust contained in the air are thoroughly filtered and collected through filtration of the multi-layer filter plates 24.

In this embodiment of the present utility model, the lifting mechanism includes an air cylinder 25 and a piston rod 26, the bottom end of the piston rod 26 is connected with the output end of the air cylinder 25, the top end of the piston rod 26 is connected with the bottom end of the mounting frame 5, the air cylinder 25 is opened, and the air cylinder 25 drives the mounting frame 5 to lift or descend through the piston rod 26 connected with the output end, so as to drive the turnover device and the clamping device to lift or descend.

In the embodiment of the utility model, the inner side of the clamping plate 18 is provided with the rubber pad 27, the rubber pad 27 is detachably arranged on the inner side of the clamping plate 18, the arrangement of the rubber pad 27 can prevent the sharp edge of the clamping plate 18 from scratching the surface of a magnetized workpiece, and meanwhile, the friction force on the inner side of the clamping plate 18 can be increased, so that the clamping is more stable.

In the embodiment of the utility model, the speed reducer 28 is arranged above the rotating motor 6, the input end of the speed reducer 28 is detachably connected with the rotating motor 6, the speed reduction ratio of the speed reducer 28 is adjusted in advance according to the characteristics of different workpieces, the speed reducer 28 can reduce the rotating speed, so that the overturning action is smoother and slower, the impact caused by high-speed abrupt change is reduced, the product is prevented from being damaged in the overturning process, the rotating speeds of different levels can be realized by adjusting the speed reduction ratio, and the overturning work of different products can be more flexibly and conveniently carried out.

In the embodiment of the utility model, the protection cover 29 is arranged on the outer side of the machine tool body 1, the protection cover 29 is made of transparent materials, the opening and closing door 30 is arranged on one side of the protection cover 29, the protection cover 29 can effectively block the influence of magnetic fields and electromagnetic waves in the working process of equipment on the outside, the protection of human bodies and other equipment is enhanced, the inside of the equipment is convenient to clean and remove dust in a closed manner, the improvement of the working environment and the self cleanliness of the equipment is facilitated, and staff can realize the taking and placing of magnetized workpieces through the arranged opening and closing door 30.

Example 2:

referring to fig. 1 to 5, in an embodiment of the present utility model:

When in use, firstly, the opening and closing door 30 arranged on the protective cover 29 is opened, then a workpiece needing to be magnetized is placed on the bearing table 2, then a hand is pulled out, then the opening and closing door 30 is closed again, then the cylinder 25 arranged on the machine tool body 1 is opened, the cylinder 25 drives the mounting frame 5 to ascend or descend through the piston rod 26 connected with the output end, thereby driving the turnover device and the clamping device to ascend or descend, when the horizontal plane of the clamping plate 18 is higher than the plane of the bearing table 2, the cylinder 25 is closed briefly, then the rotating motor 6 arranged in the mounting frame 5 is opened, the rotating motor 6 rotates to drive the first connecting rod 7 connected with the output end to rotate, thereby driving the second connecting rod 8 connected with the other end of the first connecting rod 7 to move, and driving the supporting seat 12 to move in the mounting frame 5, at the moment, the sliding block 10 arranged at one end of the rotating shaft 11 moves along the track of the arc-shaped groove 9, when the clamping plate 18 rotates ninety degrees, the side surface of the clamping plate 18 is parallel to the bearing table 2, the rotating motor 6 is turned off briefly, then the air cylinder 25 is turned on again, the air cylinder 25 drives the mounting frame 5 to descend through the piston rod 26 connected with the output end, thereby driving the turnover device and the clamping device to descend, when the horizontal plane of the clamping plate 18 is approximately coincident with the plane of the bearing table 2, the air cylinder 25 is turned off briefly, then opening the hydraulic cylinder 14 installed in the fixed frame 13, driving the movable plate 17 to move by the hydraulic rod 15 connected with the output end of the hydraulic cylinder 14, driving the clamping plate 18 connected with the other end of the movable plate 17 to move in the limiting frame 16, closing the hydraulic cylinder 14 after the two clamping plates 18 perfectly clamp the part to be magnetized, then re-opening the air cylinder 25, driving the mounting frame 5 to lift by the air cylinder 25 through the piston rod 26 connected with the output end, driving the turnover device and the clamping device to lift, when the horizontal plane of the clamping plate 18 is higher than the plane of the bearing table 2, briefly closing the air cylinder 25, then re-opening the rotating motor 6, the rotating motor 6 rotates to drive the first connecting rod 7 connected with the output end to rotate, so as to drive the second connecting rod 8 connected with the other end of the first connecting rod 7 to move, and further drive the supporting seat 12 to move in the mounting frame 5, at the moment, the sliding block 10 arranged at one end of the rotating shaft 11 moves along the track of the arc-shaped groove 9, when the clamping device is retracted to the original position, the rotating motor 6 is closed briefly, then the air cylinder 25 is opened again, the air cylinder 25 drives the mounting frame 5 to ascend through the piston rod 26 connected with the output end, so as to drive the turnover device and the clamping device to ascend, when the height of the clamping device is adjusted to be opposite to the magnetizing bin 3, the cylinder 25 is closed briefly, the magnetizing coil 4 arranged in the magnetizing bin 3 is opened, the reduction ratio of the speed reducer 28 is adjusted in advance according to the characteristics of the workpiece, then the rotating motor 6 is opened again, the rotating motor 6 drives the first connecting rod 7 connected with the output end to rotate after the speed reduction effect of the speed reducer 28, so as to drive the second connecting rod 8 connected with the other end of the first connecting rod 7 to move, and further drive the supporting seat 12 to move in the mounting frame 5, at the moment, the sliding block 10 arranged at one end of the rotating shaft 11 moves forwards along the track of the arc-shaped groove 9 and drives the magnetizing workpiece to be conveyed forwards and turned over, the rotating motor 6 drives the magnetizing workpiece to retract through the first connecting rod 7 and the second connecting rod 8, magnetizing work on the magnetizing workpiece is completed at the moment, the magnetizing workpiece after magnetizing is taken out by referring to the steps, and when magnetizing by using the equipment is needed again, the magnetizing workpiece is operated by referring to the steps.

Example 3:

referring to fig. 1 to 5, in an embodiment of the present utility model:

Based on embodiment 2, the rubber pad 27 that the grip block 18 inboard set up can prevent grip block 18 edge sharp department to magnetizing work piece surface scratch, can increase the inboard frictional force of grip block 18 simultaneously, make the centre gripping more firm, after the equipment is used one end time, also in magnetizing, can selectively open air pump 19, air pump 19 is through the air inlet 20 that the air pipe 21 that the input is connected and the air pipe 21 other end is connected will protect 29 inside the dust and inhale together, then carry the air of suction and dust to collecting box 22 inside through the air pipe 21 that the air pump 19 output is connected, afterwards, the air by the inside air of collecting box 22 can reach below the gaseous purifying liquid level of placing in the collecting box 22 through the air pipe 21 at first, after the preliminary filtration of gaseous purifying liquid, the air can upwards discharge with the mode of bubble, then the filtration of multi-layer filter board 24, thoroughly filter impurity and dust contained in the air and dust and collect, finally, through the air outlet 23 that the collecting box 22 top set up are discharged, can regularly or real-time clear the dust inside the equipment dust together, thereby prevent that the dust from piling up from running, the air that the air of collecting box 19 output end is connected, the noise can also thoroughly filter effect through the filter effect of the dust, and the filter effect is thoroughly discharged to the dust is guaranteed, the dust is guaranteed to the noise is more thoroughly to the filter is guaranteed simultaneously.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a magnetizing equipment tilting mechanism, includes lathe body (1), its characterized in that: be equipped with plummer (2) on lathe body (1), lathe body (1) top is equipped with magnetizing storehouse (3), be equipped with in magnetizing storehouse (3) and magnetize coil (4), plummer (2) one side is equipped with mounting bracket (5), mounting bracket (5) bottom is provided with elevating system, tilting device is installed on mounting bracket (5) top, tilting device includes rotating electrical machines (6), head rod (7), second connecting rod (8), arc groove (9), slider (10), axis of rotation (11) and supporting seat (12), but supporting seat (12) movable mounting is on mounting bracket (5), but second connecting rod (8) one end and supporting seat (12) bottom carry out swing joint, but second connecting rod (8) other end and head rod (7) one end carry out swing joint, but head rod (7) other end and rotating electrical machines (6) output end movable connection, axis of rotation (11) movable mounting is on supporting seat (12), slider (10) set up in axis of rotation (11) one end, but arc groove (9) are equipped with in supporting seat (13) one end, but fixed frame (13) are set up to one end, clamping mechanism includes pneumatic cylinder (14), hydraulic stem (15), spacing (16), fly leaf (17) and grip block (18), but pneumatic cylinder (14) are installed in mount (13), grip block (18) movable mounting is in spacing (16), but hydraulic stem (15) one end is connected with pneumatic cylinder (14) output, but pneumatic cylinder (14) other end and fly leaf (17) one end carry out swing joint, but fly leaf (17) other end carries out swing joint with grip block (18) one side, lathe body (1) bottom is provided with dust collector.

2. A magnetizing apparatus turning mechanism according to claim 1, characterized in that: dust collector includes air pump (19), air inlet (20), trachea (21), collection box (22) and gas outlet (23), collection box (22) are installed in lathe body (1) below, air inlet (20) set up in lathe body (1) top, air pump (19) are installed in collection box (22) one side, air pump (19) input is connected through trachea (21) and air inlet (20) output, air pump (19) output and collection box (22) bottom are connected, gas outlet (23) are seted up on collection box (22) top.

3. A magnetizing apparatus turning mechanism according to claim 2, characterized in that: the collecting box (22) is internally provided with a filter plate (24), a gas purifying liquid is placed below the filter plate (24), and a plurality of filter plates (24) are detachably arranged inside the collecting box (22).

4. A magnetizing apparatus turning mechanism according to claim 1, characterized in that: the lifting mechanism comprises an air cylinder (25) and a piston rod (26), the bottom end of the piston rod (26) is connected with the output end of the air cylinder (25), and the top end of the piston rod (26) is connected with the bottom end of the mounting frame (5).

5. A magnetizing apparatus turning mechanism according to claim 1, characterized in that: the inner side of the clamping plate (18) is provided with a rubber pad (27), and the rubber pad (27) is detachably arranged on the inner side of the clamping plate (18).

6. A magnetizing apparatus turning mechanism according to claim 1, characterized in that: a speed reducer (28) is arranged above the rotating motor (6), and the input end of the speed reducer (28) is detachably connected with the rotating motor (6).

7. A magnetizing apparatus turning mechanism according to claim 1, characterized in that: the machine tool is characterized in that a protective cover (29) is arranged on the outer side of the machine tool body (1), and an opening and closing door (30) is arranged on one side of the protective cover (29).