阅读说明：本技术 一种防卡死的机床传送滚筒 (Dead lathe transfer drum of anti-sticking ) 是由 庄建忠 于 2019-11-29 设计创作，主要内容包括：本发明公开的一种防卡死的机床传送滚筒,包括机床外壳,所述机床外壳上端设有滚筒腔,所述滚筒腔内设有滚筒传动机构,所述滚筒传动机构可传送物件,所述机床外壳上矩形阵列设有四个警示杆,所述警示杆内设有警示机构腔,本发明结构简单,维护便利,使用方便,本发明可实现工件的传送功能,同时当滚筒被卡死时,内置的差速装置可迅速启动,进而保护装置内的传动机构和动力装置,不会因为滚筒的意外卡死而损坏,并且当滚筒被卡住时,内置的警报装置可迅速启动,进而提醒工人及时进行检查排除故障。(The invention discloses an anti-jamming machine tool conveying roller, which comprises a machine tool shell, wherein a roller cavity is arranged at the upper end of the machine tool shell, a roller transmission mechanism is arranged in the roller cavity and can convey an object, four warning rods are arranged on the machine tool shell in a rectangular array manner, and warning mechanism cavities are arranged in the warning rods.)

1. A machine tool conveying roller capable of preventing jamming comprises a machine tool shell, wherein a roller cavity is formed in the upper end of the machine tool shell, a roller transmission mechanism is arranged in the roller cavity and can convey an object, four warning rods are arranged on the machine tool shell in a rectangular array mode, warning mechanism cavities are formed in the warning rods, a warning mechanism is arranged in each warning mechanism cavity, and when the roller transmission mechanism is jammed, the warning mechanism can be started to send out an alarm signal to remind workers of rapidly removing faults;

a roller power cavity is arranged in the lower wall of the roller cavity, a roller power mechanism is arranged in the roller power cavity, the roller power mechanism can provide power for the whole device, the upper end of the roller power cavity is communicated with the warning mechanism cavity, a rotatable first belt is arranged in the roller power mechanism, and then the roller power mechanism transmits the power to the warning mechanism through the first belt;

a differential protection cavity is arranged in the left wall of the roller power cavity, a differential protection device is arranged in the differential protection cavity, when the roller transmission mechanism is clamped, the differential protection device can be started immediately, so that the transmission mechanism of the whole device can be protected from being damaged, a rotatable power shaft is arranged in the left wall of the roller power cavity, the left end of the power shaft extends into the differential protection cavity, a rotatable first bevel gear is arranged in the differential protection device, the right end of the first bevel gear is fixedly connected with the left end of the power shaft, and the roller power mechanism transmits the motion to the differential protection device through the power shaft and the first bevel gear;

the differential protection device is characterized in that a rotatable first transmission shaft is arranged in the upper wall of the differential protection cavity, the first transmission shaft extends into the roller cavity, a rotatable second bevel gear is arranged in the roller transmission mechanism, the lower end of the second bevel gear is fixedly connected with the first transmission shaft, and then the differential protection device transmits power to the roller transmission mechanism through the second bevel gear and the first transmission shaft.

2. An anti-seize machine tool transfer drum as claimed in claim 1, wherein: the roller transmission mechanism comprises roller shafts arranged in the front wall and the rear wall of the roller cavity in an array mode, transmission belt wheels are fixedly arranged on the roller shafts, transmission belts are connected to the transmission belt wheels, rollers are fixedly arranged on the roller shafts in an array mode and located at the rear ends of the transmission belt wheels, workpieces can be placed on the rollers, the workpieces can be conveyed when the rollers rotate, third bevel gears are fixedly arranged on the roller shafts located at the leftmost ends, the third bevel gears are located at the front ends of the transmission belt wheels, and the lower ends of the third bevel gears are connected with the second bevel gears in a meshed mode.

3. An anti-seize machine tool transfer drum as claimed in claim 1, wherein: differential protection device including set firmly in the epaxial first spur gear of first transmission, first spur gear right-hand member meshing connection is equipped with the second spur gear, second spur gear axle center has set firmly the location axle, the rotatable locating of location axle in the differential protection chamber upper wall, the second spur gear right-hand member has set firmly magnet, set firmly current generator on the differential protection chamber right side wall, work as can drive when the second spur gear rotates magnet rotates, and then makes produce current signal in the current generator, current generator right-hand member electric connection is equipped with the signal line, the signal line lower extreme extends into the cylinder power intracavity.

4. An anti-seize machine tool transfer drum as claimed in claim 3, wherein: first transmission shaft lower extreme has set firmly first differential gear, the meshing connection of first differential gear lower extreme bilateral symmetry is equipped with second differential gear, second differential gear axle center has set firmly the differential axle, meshing connection is equipped with third differential gear between the second differential gear, third differential gear is located second differential gear lower extreme, third differential gear axle center has set firmly the second transmission shaft, rotatable the locating of second transmission shaft in the differential protection chamber lower wall, the master gear has set firmly on the second transmission shaft, wall bilateral symmetry is equipped with two spliced poles on the master gear, rotatable the locating of differential axle in the spliced pole of master gear, the master gear right-hand member with first bevel gear meshing connection.

5. An anti-seize machine tool transfer drum as claimed in claim 1, wherein: the roller power mechanism comprises a main motor fixedly arranged on the left wall of the roller power cavity, the main motor is in power connection with the power shaft, a sliding shaft is sleeved at the right end of the power shaft, the sliding shaft is connected with the power shaft through a spline, a sliding ring is fixedly arranged on the sliding shaft, a magnetic slider is slidably connected to the upper end of the sliding ring, a spring is elastically connected to the left end of the magnetic slider, an electromagnet is elastically connected to the left end of the spring, the upper end of the electromagnet is electrically connected with the signal wire, a first friction wheel is fixedly arranged at the right end of the sliding shaft, a rotatable transverse transmission shaft is arranged in the roller power cavity and is positioned at the right end of the first friction wheel, a second friction wheel is fixedly arranged at the left end of the transverse transmission shaft, the second friction wheel can be in friction connection with the first friction wheel, and first belt wheels are symmetrically arranged on the transverse transmission shaft left and right, the roller power cavity is characterized in that a second belt is connected to the first belt wheel, first belt wheel shafts are symmetrically arranged in the front wall and the rear wall of the roller power cavity, a second belt wheel is fixedly arranged on the first belt wheel shafts, the front end and the rear end of the second belt are connected with the second belt wheel, a fourth bevel gear is fixedly arranged on the first belt wheel shafts and located at the right end of the second belt wheel, one end, far away from the transverse transmission shaft, of the second belt wheel is meshed and connected with a fifth bevel gear, the axis of the fifth bevel gear is fixedly provided with a second belt wheel shaft, the second belt wheel shafts are rotatably arranged in the front wall and the rear wall of the roller power cavity, a third belt wheel is fixedly arranged on the second belt wheel shafts, and the third belt wheel is connected with the first belt.

6. An anti-seize machine tool transfer drum as claimed in claim 1, wherein: the warning mechanism comprises a third belt wheel shaft which is rotatably arranged in a cavity of the warning mechanism, a fourth belt wheel is fixedly arranged on the third belt wheel shaft, the fourth belt wheel is connected with the upper end of a first belt, a sixth bevel gear is fixedly arranged on the third belt wheel shaft, a seventh bevel gear is arranged on the upper end of the sixth bevel gear in a meshed connection mode, a generator shaft is fixedly arranged at the axle center of the seventh bevel gear, a generator is connected to the upper end of the generator shaft, the generator is fixedly arranged on the top wall of the cavity of the warning mechanism, an electric wire is arranged on the upper end of the generator in an electrically connected mode, a bulb is arranged on the upper end of the electric wire in an electrically connected mode, a lampshade is sleeved on the outer end of.

Technical Field

The invention relates to the field of machine tool parts, in particular to an anti-blocking machine tool transmission roller.

Background

A transfer conveyor is a mechanism common in machine tools and is a continuous conveyor machine that uses flexible conveyor belts or rollers as the material carrying and pulling members. Traditional cylinder structure, although the circumference is smooth, the material can be inevitable in carrying and fall into the gap between the cylinder, causes the cylinder card to die, and then leads to the drive disk assembly of lathe to damage for production line shut down has led to the fact huge loss for the mill, so need develop a lathe conveying roller that can the anti-sticking is dead, and then when making the material block the cylinder, can not cause the harm to the drive disk assembly of lathe.

Disclosure of Invention

The technical problem is as follows: traditional cylinder structure, although the circumference is smooth, the material can inevitably fall into the gap between the cylinder in carrying, causes the cylinder card to die, and then leads to the drive disk assembly of lathe to damage for production line shut down has caused huge loss for the mill.

In order to solve the problems, the anti-jamming machine tool conveying roller is designed in the embodiment, and comprises a machine tool shell, wherein a roller cavity is formed in the upper end of the machine tool shell, a roller transmission mechanism is arranged in the roller cavity and can convey objects, four warning rods are arranged on the machine tool shell in a rectangular array mode, warning mechanism cavities are formed in the warning rods, and warning mechanisms are arranged in the warning mechanism cavities;

a roller power cavity is arranged in the lower wall of the roller cavity, a roller power mechanism is arranged in the roller power cavity, the roller power mechanism can provide power for the whole device, the upper end of the roller power cavity is communicated with the warning mechanism cavity, a rotatable first belt is arranged in the roller power mechanism, and then the roller power mechanism transmits the power to the warning mechanism through the first belt;

a differential protection cavity is arranged in the left wall of the roller power cavity, a differential protection device is arranged in the differential protection cavity, when the roller transmission mechanism is clamped, the differential protection device can be started immediately, so that the transmission mechanism of the whole device can be protected from being damaged, a rotatable power shaft is arranged in the left wall of the roller power cavity, the left end of the power shaft extends into the differential protection cavity, a rotatable first bevel gear is arranged in the differential protection device, the right end of the first bevel gear is fixedly connected with the left end of the power shaft, and the roller power mechanism transmits the motion to the differential protection device through the power shaft and the first bevel gear;

the differential protection device is characterized in that a rotatable first transmission shaft is arranged in the upper wall of the differential protection cavity, the first transmission shaft extends into the roller cavity, a rotatable second bevel gear is arranged in the roller transmission mechanism, the lower end of the second bevel gear is fixedly connected with the first transmission shaft, and then the differential protection device transmits power to the roller transmission mechanism through the second bevel gear and the first transmission shaft.

The roller transmission mechanism comprises roller shafts arranged in the front wall and the rear wall of the roller cavity in an array mode, transmission belt wheels are fixedly arranged on the roller shafts, transmission belts are connected to the transmission belt wheels, rollers are fixedly arranged on the roller shafts in an array mode and located at the rear ends of the transmission belt wheels, workpieces can be placed on the rollers, the workpieces can be conveyed when the rollers rotate, third bevel gears are fixedly arranged on the roller shafts located at the leftmost ends of the rollers, the third bevel gears are located at the front ends of the transmission belt wheels, and the lower ends of the third bevel gears are connected with the second bevel gears in a meshed mode.

Wherein, differential protection device including set firmly in the epaxial first spur gear of first transmission, first spur gear right-hand member meshing connection is equipped with the second spur gear, second spur gear axle center has set firmly the location axle, the rotatable locating of location axle in the differential protection chamber upper wall, the second spur gear right-hand member has set firmly magnet, current generator has set firmly on the differential protection chamber right side wall, works as can drive when the second spur gear rotates magnet rotates, and then makes produce current signal in the current generator, current generator right-hand member electric connection is equipped with the signal line, the signal line lower extreme extends into in the cylinder power intracavity.

Beneficially, first differential gear has been set firmly to first transmission shaft lower extreme, the meshing connection of first differential gear lower extreme bilateral symmetry is equipped with second differential gear, differential axle has been set firmly in second differential gear axle center, the meshing connection is equipped with third differential gear between the second differential gear, third differential gear is located the second differential gear lower extreme, third differential gear axle center has set firmly the second transmission shaft, rotatable locating of second transmission shaft in the differential protection chamber lower wall, the master gear has been set firmly on the second transmission shaft, wall bilateral symmetry is equipped with two spliced poles on the master gear, rotatable locating of differential axle in the spliced pole of master gear, the master gear right-hand member with first bevel gear meshing connection.

Wherein, the roller power mechanism comprises a main motor fixedly arranged on the left wall of the roller power cavity, the main motor is in power connection with the power shaft, the right end of the power shaft is sleeved with a sliding shaft, the sliding shaft is connected with the power shaft through a spline, a sliding ring is fixedly arranged on the sliding shaft, the upper end of the sliding ring is provided with a magnetic slider in a sliding connection manner, the left end of the magnetic slider is elastically connected with a spring, the left end of the spring is elastically connected with an electromagnet, the upper end of the electromagnet is electrically connected with the signal wire, the right end of the sliding shaft is fixedly provided with a first friction wheel, a rotatable transverse transmission shaft is arranged in the roller power cavity and is positioned at the right end of the first friction wheel, the left end of the transverse transmission shaft is fixedly provided with a second friction wheel which can be in friction connection with the first friction wheel, and the transverse transmission shaft is symmetrically provided with a first belt wheel, the roller power cavity is characterized in that a second belt is connected to the first belt wheel, first belt wheel shafts are symmetrically arranged in the front wall and the rear wall of the roller power cavity, a second belt wheel is fixedly arranged on the first belt wheel shafts, the front end and the rear end of the second belt are connected with the second belt wheel, a fourth bevel gear is fixedly arranged on the first belt wheel shafts and located at the right end of the second belt wheel, one end, far away from the transverse transmission shaft, of the second belt wheel is meshed and connected with a fifth bevel gear, the axis of the fifth bevel gear is fixedly provided with a second belt wheel shaft, the second belt wheel shafts are rotatably arranged in the front wall and the rear wall of the roller power cavity, a third belt wheel is fixedly arranged on the second belt wheel shafts, and the third belt wheel is connected with the first belt.

The warning mechanism comprises a third belt wheel shaft which is rotatably arranged in a cavity of the warning mechanism, a fourth belt wheel is fixedly arranged on the third belt wheel shaft, the fourth belt wheel is connected with the upper end of a first belt, a sixth bevel gear is fixedly arranged on the third belt wheel shaft, the upper end of the sixth bevel gear is meshed with and connected with a seventh bevel gear, the axle center of the seventh bevel gear is fixedly provided with a generator shaft, the upper end of the generator shaft is connected with a generator, the generator is fixedly arranged on the top wall of the cavity of the warning mechanism, the upper end of the generator is electrically connected with an electric wire, the upper end of the electric wire is electrically connected with a bulb, the outer end of the bulb is sleeved with a lampshade, and the lower wall of the lampshade is fixedly.

The invention has the beneficial effects that: the invention has simple structure, convenient maintenance and convenient use, can realize the function of conveying workpieces, can quickly start the built-in differential device when the roller is stuck, further protects the transmission mechanism and the power device in the device from being damaged due to the accidental sticking of the roller, and can quickly start the built-in alarm device when the roller is stuck, thereby reminding workers to check and remove faults in time.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure "A-A" of FIG. 1;

FIG. 3 is a schematic view of the structure "B" of FIG. 1;

fig. 4 is a schematic view of the structure "C" of fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to an anti-blocking machine tool transmission roller, which is mainly applied to the field of machine tool parts, and the invention is further explained by combining the attached drawings of the invention:

the invention relates to an anti-jamming machine tool conveying roller, which comprises a machine tool shell 11, wherein a roller cavity 100 is arranged at the upper end of the machine tool shell 11, a roller transmission mechanism 101 is arranged in the roller cavity 100, the roller transmission mechanism 101 can convey an object, four warning rods 12 are arranged on the machine tool shell 11 in a rectangular array mode, a warning mechanism cavity 400 is arranged in each warning rod 12, a warning mechanism 401 is arranged in each warning mechanism cavity 400, when the roller transmission mechanism 101 is jammed, the warning mechanism 401 can be started to send out a warning signal to remind workers of rapidly removing faults, a roller power cavity 300 is arranged in the lower wall of the roller cavity 100, a roller power mechanism 301 is arranged in the roller power cavity 300, the roller power mechanism 301 can provide power for the whole device, the upper end of the roller power cavity 300 is communicated with the warning mechanism cavity 400, and a rotatable first belt 49 is arranged in the roller power mechanism 301, the roller power mechanism 301 transmits power to the warning mechanism 401 through the first belt 49, a differential protection chamber 200 is arranged in the left wall of the roller power chamber 300, a differential protection device 201 is arranged in the differential protection chamber 200, when the roller transmission mechanism 101 is stuck, the differential protection device 201 can be immediately started, so that the transmission mechanism of the whole device can be protected from being damaged, a rotatable power shaft 27 is arranged in the left wall of the roller power chamber 300, the left end of the power shaft 27 extends into the differential protection chamber 200, a rotatable first bevel gear 26 is arranged in the differential protection device 201, the right end of the first bevel gear 26 is fixedly connected with the left end of the power shaft 27, the roller power mechanism 301 transmits power to the differential protection device 201 through the power shaft 27 and the first bevel gear 26, and a rotatable first transmission shaft 19 is arranged in the upper wall of the differential protection chamber 200, the first transmission shaft 19 extends into the roller cavity 100, a rotatable second bevel gear 18 is arranged in the roller transmission mechanism 101, the lower end of the second bevel gear 18 is fixedly connected with the first transmission shaft 19, and then the differential protection device 201 transmits power to the roller transmission mechanism 101 through the second bevel gear 18 and the first transmission shaft 19.

According to an embodiment, the drum transmission mechanism 101 is described in detail below, where the drum transmission mechanism 101 includes drum shafts 16 arranged in an array in front and rear walls of the drum chamber 100, a transmission pulley 15 is fixedly arranged on the drum shafts 16, a transmission belt 14 is connected to the transmission pulley 15, drums 13 are fixedly arranged in an array on the drum shafts 16, the drums 13 are located at rear ends of the transmission pulleys 15, workpieces can be placed on the drums 13, the workpieces can be conveyed when the drums 13 rotate, a third bevel gear 17 is fixedly arranged on the drum shaft 16 located at the leftmost end, the third bevel gear 17 is located at a front end of the transmission pulley 15, and a lower end of the third bevel gear 17 is engaged with the second bevel gear 18.

According to the embodiment, it is right below differential protection device 201 explains in detail, differential protection device 201 including set firmly in first spur gear 21 on the first transmission shaft 19, the meshing connection of first spur gear 21 right-hand member is equipped with second spur gear 34, second spur gear 34 axle has set firmly location axle 33, the rotatable locating of location axle 33 in the differential protection chamber 200 upper wall, second spur gear 34 right-hand member has set firmly magnet 38, current generator 37 has set firmly on the wall of differential protection chamber 200 right side, works as second spur gear 34 can drive when rotating magnet 38 rotates, and then makes produce the current signal in the current generator 37, current generator 37 right-hand member electric connection is equipped with signal line 36, signal line 36 lower extreme extends into in the power cylinder chamber 300.

Beneficially, a first differential gear 22 is fixedly arranged at the lower end of the first transmission shaft 19, a second differential gear 24 is arranged at the lower end of the first differential gear 22 in a bilaterally symmetrical meshed connection manner, a differential shaft 23 is fixedly arranged at the axis of the second differential gear 24, a third differential gear 68 is arranged between the second differential gears 24 in a meshed connection manner, the third differential gear 68 is located at the lower end of the second differential gear 24, a second transmission shaft 69 is fixedly arranged at the axis of the third differential gear 68, the second transmission shaft 69 is rotatably arranged in the lower wall of the differential protection cavity 200, a main gear 25 is fixedly arranged on the second transmission shaft 69, two connecting columns are symmetrically arranged on the upper wall surface of the main gear 25 in a bilaterally symmetrical manner, the differential shaft 23 is rotatably arranged in the connecting column of the main gear 25, and the right end of the main gear 25 is meshed with the first bevel gear 26.

According to the embodiment, the drum power mechanism 301 will be described in detail below, the drum power mechanism 301 includes a main motor 28 fixedly disposed on the left wall of the drum power cavity 300, the main motor 28 is in power connection with the power shaft 27, a sliding shaft 64 is sleeved on the right end of the power shaft 27, the sliding shaft 64 is connected with the power shaft 27 through a spline, a sliding ring 65 is fixedly disposed on the sliding shaft 64, a magnetic slider 63 is slidably connected to the upper end of the sliding ring 65, a spring 62 is elastically connected to the left end of the magnetic slider 63, an electromagnet 61 is elastically connected to the left end of the spring 62, the upper end of the electromagnet 61 is electrically connected to the signal line 36, a first friction wheel 66 is fixedly disposed on the right end of the sliding shaft 64, a rotatable transverse transmission shaft 32 is disposed in the drum power cavity 300, and the transverse transmission shaft 32 is located at the right end of the first friction wheel 66, a second friction wheel 67 is fixedly arranged at the left end of the transverse transmission shaft 32, the second friction wheel 67 can be in friction connection with the first friction wheel 66, first belt wheels 29 are symmetrically arranged on the transverse transmission shaft 32 in a left-right manner, a second belt 31 is connected to the first belt wheels 29, first belt wheel shafts 56 are symmetrically arranged in the front wall and the rear wall of the roller power cavity 300, second belt wheels 55 are fixedly arranged on the first belt wheel shafts 56, the front ends and the rear ends of the second belt wheels 31 are connected with the second belt wheels 55, fourth bevel gears 54 are fixedly arranged on the first belt wheel shafts 56, the fourth bevel gears 54 are positioned at the right ends of the second belt wheels 55, a fifth bevel gear 53 is engaged and connected to one end of the second belt wheels 55 far away from the transverse transmission shaft 32, a second belt wheel shaft 52 is fixedly arranged at the axle center of the fifth bevel gear 53, and the second belt wheel shafts 52 are rotatably arranged in the front wall and the rear wall of the roller power cavity 300, a third pulley 51 is fixedly arranged on the second pulley shaft 52, and the third pulley 51 is connected with the first belt 49.

In accordance with an exemplary embodiment, the warning mechanism 401 is described in detail below, the warning mechanism 401 includes a third pulley shaft 47 rotatably disposed within the warning mechanism cavity 400, a fourth belt pulley 48 is fixedly arranged on the third belt pulley shaft 47, the fourth belt pulley 48 is connected with the upper end of the first belt 49, a sixth bevel gear 46 is fixedly arranged on the third pulley shaft 47, a seventh bevel gear 45 is arranged at the upper end of the sixth bevel gear 46 in a meshing connection manner, a generator shaft 44 is fixedly arranged at the axle center of the seventh bevel gear 45, a generator 43 is connected and arranged at the upper end of the generator shaft 44, the generator 43 is fixedly arranged on the top wall of the warning mechanism cavity 400, the upper end of the generator 43 is electrically connected with an electric wire 42, the upper end of the wire 42 is electrically connected with a bulb 41, a lampshade 39 is sleeved at the outer end of the bulb 41, and the lower wall of the lampshade 39 is fixedly connected with the upper wall of the warning rod 12.

The use steps of an anti-seize machine tool transfer drum herein will be described in detail with reference to fig. 1 to 4: in the initial state, the main motor 28 is started, the main motor 28 drives the power shaft 27 to rotate, the power shaft 27 drives the second transmission shaft 69 to rotate through the first bevel gear 26 and the main gear 25, the main gear 25 drives the differential shaft 23 to start rotating, the second transmission shaft 69 drives the third differential gear 68 to rotate, the third differential gear 68 drives the first transmission shaft 19 to rotate through the second differential gear 24 and the first differential gear 22, at this time, the second differential gear 24, the third differential gear 68 and the first differential gear 22 do not generate relative rotation, the first transmission shaft 19 drives the roller shaft 16 to rotate through the second bevel gear 18 and the third bevel gear 17, the roller shaft 16 drives the roller 13 to rotate through the transmission belt pulley 15 and the transmission belt 14, so as to transmit the workpiece, the first straight gear 21 drives the second straight gear 34 to rotate, the second straight gear 34 drives the magnet 38 to rotate, so as to generate induced current in the current generator 37, at this time, the electromagnet 61 is not started, the spring 62 is in a relaxation state, the first friction wheel 66 is separated from the second friction wheel 67, and the bulb 41 is not lighted;

when the roller 13 is jammed, the roller 13 stops rotating, so that the transmission belt 14, the transmission belt wheel 15 and the roller shaft 16 stop rotating, further the third bevel gear 17, the second bevel gear 18 and the first transmission shaft 19 stop rotating, at this time, the first straight gear 21 and the first differential gear 22 stop rotating, the second differential gear 24 starts to rotate relatively under the action of the third differential gear 68, meanwhile, the second straight gear 34 and the magnet 38 stop rotating, so that the current in the current generator 37 disappears, at this time, the electromagnet 61 is activated and started, further magnetism is generated, the magnetic slide block 63 is driven to slide to one end close to the second friction wheel 67, so that the first friction wheel 66 and the second friction wheel 67 are connected through friction, the power shaft 27 drives the transverse transmission shaft 32 to rotate through the sliding shaft 64, the first friction wheel 66 and the second friction wheel 67, and the transverse transmission shaft 32 starts to rotate through the first belt wheel 29, The second belt 31 and the second belt wheel 55 drive the first belt wheel shaft 56 to rotate, the first belt wheel shaft 56 drives the second belt wheel shaft 52 to rotate through the fourth bevel gear 54 and the fifth bevel gear 53, the second belt wheel shaft 52 drives the third belt wheel shaft 47 to rotate through the third belt wheel 51, the first belt 49 and the fourth belt wheel 48, the third belt wheel shaft 47 drives the generator shaft 44 to rotate through the sixth bevel gear 46 and the seventh bevel gear 45, the generator shaft 44 can further drive the generator 43 to operate, the generator 43 can further generate electric energy to light the bulb 41 through the electric wire 42, and then the warning is sent out to remind workers of timely checking and eliminating hidden dangers.

The invention has the beneficial effects that: the invention has simple structure, convenient maintenance and convenient use, can realize the function of conveying workpieces, can quickly start the built-in differential device when the roller is stuck, further protects the transmission mechanism and the power device in the device from being damaged due to the accidental sticking of the roller, and can quickly start the built-in alarm device when the roller is stuck, thereby reminding workers to check and remove faults in time.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.