CN111906545A

CN111906545A - Automatic adjustable angle of upset mills chamfer device

Info

Publication number: CN111906545A
Application number: CN202010799827.9A
Authority: CN
Inventors: 张晓慧
Original assignee: Pan'an Radical Electronic Technology Co ltd
Current assignee: Pan'an Radical Electronic Technology Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2020-11-10

Abstract

The invention discloses an automatic-overturning angle-adjustable milling chamfering device, which comprises a milling shell, wherein a milling cavity which is through from left to right is arranged in the milling shell, the inner wall of the milling cavity is fixedly connected with a motor, the lower end of the motor is in power connection with an output shaft, the lower end of the output shaft is fixedly connected with a thick gear, the left end and the right end of the thick gear are in meshing connection with meshing gears which are symmetrical from left to right and take the center line of the thick gear as a symmetrical shaft, and the meshing gears are fixedly connected with concentric rotating shafts.

Description

Automatic adjustable angle of upset mills chamfer device

Technical Field

The invention relates to the field related to cutting equipment, in particular to an automatic-overturning angle-adjustable milling chamfering device.

Background

The automatic-overturning angle-adjustable milling chamfering device can solve the problems that the existing chamfering device is low in efficiency, wastes manpower and risks that people are injured due to falling in the carrying process.

Disclosure of Invention

In order to solve the problems, the automatic-overturning angle-adjustable milling chamfering device comprises a milling shell, wherein a milling cavity which is communicated from left to right is arranged in the milling shell, the upper inner wall of the milling cavity is fixedly connected with a motor, the lower end of the motor is in power connection with an output shaft, the lower end of the output shaft is fixedly connected with a thick gear, the left end and the right end of the thick gear are in meshing connection with a left-right symmetrical meshing gear taking the central line of the thick gear as a symmetrical shaft, the meshing gear is fixedly connected with a concentric rotating shaft, the lower end of the rotating shaft is fixedly connected with a driving bevel gear, the front end of the driving bevel gear is in meshing connection with a double-head bevel gear, the double-head bevel gear is fixedly connected with a concentric inner cavity rotating shaft, the front end and the rear end of the inner cavity rotating shaft are in rotating connection, the rotating shaft in the cavity is rotationally connected to the front inner wall and the rear inner wall of the adjusting cavity, the front end of the double-ended bevel gear is meshed and connected with a front bevel gear, one end, close to each other, of the front bevel gear is fixedly connected with a chamfer shaft, one end, close to each other, of the chamfer shaft is fixedly connected with a chamfering cutter, the periphery of the chamfer shaft is rotationally connected with a connecting ring, two sides of the connecting ring are fixedly connected with annular racks, the upper ends of the annular racks are slidably connected with annular rack supports, the upper ends of the annular rack supports are fixedly connected to the upper inner wall of the adjusting cavity, one ends, far away from each other, of the annular racks are meshed and connected with swing gears, the swing gears are fixedly connected with concentric gear shafts, the gear shafts are rotationally connected to the front inner wall and the rear inner wall of the adjusting cavity, one ends, far away from each other, a swing arc groove is arranged on one side of the adjusting shell, which is close to each other, the chamfering shaft is connected in the swing arc groove in a swing mode, when the angle needs to be adjusted, the poke rod is poked to drive the swing gear to rotate, further the annular rack is driven to rotate, further the connecting ring is driven to rotate, further the chamfering shaft is driven to rotate, further the front bevel gear is driven to rotate, further the chamfering cutter is driven to rotate, so that the function of adjusting the chamfer needing to be cut is achieved, the motor is started, further the output shaft is driven to rotate, further the thick gear is driven to rotate, further the meshing gear is driven to rotate, further the rotating shaft is driven to rotate, further the driving bevel gear is driven to rotate, further the double-end bevel gear is driven to rotate, further the front bevel gear is driven to rotate, further the chamfering shaft is driven to rotate, further the chamfering cutter is driven to, thereby having the function of cutting and chamfering;

the lower end of the adjusting shell is fixedly connected with a connecting strip, the lower end of the connecting strip is provided with a ratchet bar, the front side of the connecting strip is provided with a ratchet wheel, the ratchet wheel is fixedly connected with a concentric transverse rotating shaft, the end, away from each other, of the transverse rotating shaft is rotatably connected with a bottom bracket, the lower end of the bottom bracket is fixedly connected with the lower inner wall of the milling cavity, the end, close to each other, of the transverse rotating shaft is fixedly connected with a square block, the square block is slidably connected with a turning ring, a square block groove with an opening towards the side away from each other is formed in the turning ring, the square block is slidably connected in the square block groove, a fluid cavity is formed in the turning ring, a floating plate is slidably connected in the fluid cavity, the end, close to each other, of the floating plate is fixedly connected with a moving block, a clamping cavity is formed in the moving block, clamping plates are slidably connected in, a concentric through cavity which is communicated up and down is arranged in the overturning ring, when the connecting strip moves upwards, the ratchet bar is driven to move upwards, the ratchet bar is driven to be meshed with the ratchet wheel to be connected, the front bevel gear is driven to rotate, the transverse rotating shaft is driven to rotate, the square block is driven to rotate by one hundred eighty degrees, the overturning ring is driven to rotate by one hundred eighty degrees, a part to be processed is placed in the through cavity, the part is contacted with the clamping plate, the clamping plate is driven to move towards the end away from each other, the clamping spring is driven to be compressed, the function of clamping the part is achieved, when the overturning ring overturns the non-Newtonian fluid in the fluid cavity, the floating plate is driven to move upwards, the moving block is driven to move upwards, and the function that the part required cutting surface is always kept at the upper end of the through cavity is achieved, and the rotation of the clamp cavity and the overturning ring cannot interfere, and the ratchet bar cannot drive the ratchet wheel to rotate when descending.

Beneficially, the outer periphery of the output shaft is in threaded connection with a threaded sliding block, the left side and the right side of the threaded sliding block are fixedly connected with bilaterally symmetrical connecting cross rods with the central line of the threaded sliding block as a symmetrical axis, one ends, away from each other, of the connecting cross rods are fixedly connected with a fixed block, the lower end of the fixed block is rotatably connected with a rotating shaft, the outer periphery of the rotating shaft is rotatably connected with a connecting plate, an open slot with a downward opening is arranged in the thick gear, a connecting rod is slidably connected in the open slot, the lower end of the connecting rod is fixedly connected with a driving shaft, the driving shaft is rotatably connected in the connecting plate, the lower end of the driving shaft is fixedly connected with a milling cutter, the output shaft rotates to drive the thick gear to rotate, further drive the connecting rod, the output shaft rotates to drive the threaded sliding block to reciprocate up and down, so that the connecting cross rod is driven to reciprocate up and down, the fixing block is driven to reciprocate up and down, the rotating shaft is driven to reciprocate up and down, the meshing gear is driven to reciprocate up and down, and the adjusting shell is driven to reciprocate up and down, so that the function of cutting and chamfering the upper surface of the part for multiple times is achieved.

Beneficially, the periphery of the driving shaft is connected with an internal toothed belt wheel in a meshed mode, the internal toothed belt wheel is provided with internal teeth, the periphery of the driving shaft is provided with external teeth, the internal toothed belt wheel is connected with a gear support in a rotating mode, the rear end of the gear support is fixedly connected to the rear inner wall of the milling cavity, the inner wall of the milling cavity is fixedly connected with a thin rod, the periphery of the thin rod is fixedly connected with a rear belt wheel, a belt is connected between the rear belt wheel and the internal toothed belt wheel, the lower end of the thin rod is fixedly connected with a rear meshed gear, the front end of the rear meshed gear is connected to the rear end of the overturning ring in a meshed mode, the gear support has the function of keeping the position of the internal toothed belt wheel unchanged when the driving shaft reciprocates up and down, the driving shaft rotates to drive the internal toothed belt wheel to rotate to, and then drive back meshing gear rotates, and then drive the upset ring rotates to the function of rotatory part has been played, thereby has played the function that the periphery of part upper surface all was cut out the chamfer.

Beneficially, mill the chamber downside and be equipped with mill shell central line as the bilateral symmetry's of symmetry axis cushion chamber, sliding connection has the buffer block in the cushion chamber, the buffer block lower extreme has linked firmly buffer spring, the buffer spring lower extreme links firmly inner wall under the cushion chamber, the buffer block and buffer spring has played the function of buffering during reciprocating motion about the connecting strip.

Advantageously, the fluid chambers are provided with an anti-leakage plate at the ends adjacent to each other, said anti-leakage plate functioning to prevent the non-Newtonian fluid in said fluid chambers from flowing out.

Advantageously, a flow through hole is formed in the floating plate and extends vertically, and the flow through hole functions to allow the non-Newtonian fluid in the floating plate to flow through the floating plate.

The invention has the beneficial effects that: the surface milling can be automatically carried out on the part, the angle of the chamfer can be adjusted, the part is cut and chamfered, the part can be automatically turned over after one face is cut, the functions of milling and chamfering can be carried out on the same machine, the time and the danger of carrying are saved, and the efficiency and the labor are improved.

Drawings

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

FIG. 1 is a schematic overall structure diagram of an automatic-overturning angle-adjustable milling chamfering device according to the present invention;

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

FIG. 3 is an enlarged schematic view of the "B" position of FIG. 1;

FIG. 4 is a schematic view of the structure in the direction "C" of FIG. 1;

FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 3;

FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 4.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, 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 automatic-overturning angle-adjustable milling chamfering device, which comprises a milling shell 11, wherein a milling cavity 12 which is through from left to right is arranged in the milling shell 11, the inner wall of the milling cavity 12 is fixedly connected with a motor 18, the lower end of the motor 18 is in power connection with an output shaft 19, the lower end of the output shaft 19 is fixedly connected with a thick gear 16, the left end and the right end of the thick gear 16 are in meshing connection with a meshing gear 23 which is symmetrical about the central line of the thick gear 16, the meshing gear 23 is fixedly connected with a concentric rotating shaft 25, the lower end of the rotating shaft 25 is fixedly connected with a driving bevel gear 62, the front end of the driving bevel gear 62 is in meshing connection with a double-head bevel gear 63, the double-head bevel gear 63 is fixedly connected with a concentric intracavity rotating shaft 44, the front end and the rear end of the intracavity rotating shaft 44 are in rotating connection with an adjusting shell 55, an adjusting, the front end of the double-end bevel gear 63 is connected with a front bevel gear 64 in a meshing manner, one end of the front bevel gear 64, which is close to each other, is fixedly connected with a chamfer shaft 67, one end of the chamfer shaft 67, which is close to each other, is fixedly connected with a chamfering cutter 57, the periphery of the chamfer shaft 67 is rotatably connected with a connecting ring 66, two sides of the connecting ring 66 are fixedly connected with annular racks 65, the upper ends of the annular racks 65 are slidably connected with annular rack supports 53, the upper ends of the annular rack supports 53 are fixedly connected with the upper inner wall of the adjusting cavity 56, one ends of the annular racks 65, which are far away from each other, are connected with swing gears 60 in a meshing manner, the swing gears 60 are fixedly connected with concentric gear shafts 61, the gear shafts 61 are rotatably connected onto the front and rear inner walls of the adjusting cavity 56, one ends of the adjusting shell 55, which are far away from each other, are provided with, the adjusting shell 55 is provided with a swing arc groove 33 on one side adjacent to each other, the chamfer shaft 67 is connected in the swing arc groove 33 in a swing manner, when an angle needs to be adjusted, the poke rod 58 is poked to drive the swing gear 60 to rotate, so that the annular rack 65 is driven to rotate, so that the connecting ring 66 is driven to rotate, so that the chamfer shaft 67 is driven to rotate, so that the front bevel gear 64 is driven to rotate, so that the chamfering cutter 57 is driven to rotate, so that the function of adjusting the chamfer needing to be cut is achieved, the motor 18 is started, so that the output shaft 19 is driven to rotate, so that the thick gear 16 is driven to rotate, so that the meshing gear 23 is driven to rotate, so that the rotating shaft 25 is driven to rotate, so that the driving bevel gear 62 is driven to rotate, so that the double-head bevel gear 63 is driven to rotate, so that the front, the chamfering shaft 67 is driven to rotate, and the chamfering cutter 57 is driven to rotate, so that the chamfering function is achieved;

the lower end of the adjusting shell 55 is fixedly connected with a connecting bar 31, the lower end of the connecting bar 31 is provided with a ratchet bar 35, the front side of the connecting bar 31 is provided with a ratchet wheel 34, the ratchet wheel 34 is fixedly connected with a concentric traverse shaft 32, the mutually far end of the traverse shaft 32 is rotatably connected with a bottom bracket 39, the lower end of the bottom bracket 39 is fixedly connected with the lower inner wall of the milling cavity 12, the mutually close end of the traverse shaft 32 is fixedly connected with a block 52, the block 52 is slidably connected with a turning ring 13, the turning ring 13 is internally provided with a block groove 54 with an opening towards the mutually far side, the block 52 is slidably connected in the block groove 54, the turning ring 13 is internally provided with a fluid cavity 43, the fluid cavity 43 is slidably connected with a floating plate 51, the mutually close end of the floating plate 51 is fixedly connected with a moving block 49, the moving block 49 is internally provided with a clamp cavity 48, and the clamp plate, a clamp spring 47 is fixedly connected to the end of the clamp plate 46 away from each other, the right end of the clamp spring 47 is fixedly connected to the inner wall of the clamp cavity 48, a concentric through cavity 40 which is through up and down is arranged in the flip ring 13, when the connecting bar 31 moves upwards, the ratchet bar 35 is driven to move upwards, the ratchet bar 35 is driven to be meshed with the ratchet wheel 34, the front bevel gear 64 is driven to rotate, the transverse rotating shaft 32 is driven to rotate, the block 52 is driven to rotate by one hundred eighty degrees, the flip ring 13 is driven to rotate by one hundred eighty degrees, a part to be processed is put into the through cavity 40, the part contacts the clamp plate 46, the clamp plate 46 is driven to move towards the end away from each other, the clamp spring 47 is driven to compress, the function of clamping the part is achieved, when the flip ring 13 flips the non-newtonian fluid in the fluid cavity 43, the non-newtonian fluid also flips are simultaneously, and then the floating plate 51 is driven to move upwards, and further the moving block 49 is driven to move upwards, so that the part required cutting surface is always kept at the upper end of the through cavity 40, the rotation of the clamp cavity 48 and the overturning ring 13 cannot interfere, and the ratchet bar 35 cannot drive the ratchet wheel 34 to rotate when descending.

Beneficially, a threaded slider 20 is connected to the periphery of the output shaft 19 in a threaded manner, a connecting cross rod 21 which is symmetrical left and right and takes the central line of the threaded slider 20 as a symmetry axis is fixedly connected to the left and right sides of the threaded slider 20, a fixing block 22 is fixedly connected to one end, away from each other, of the connecting cross rod 21, a rotating shaft 25 is rotatably connected to the lower end of the fixing block 22, a connecting plate 24 is rotatably connected to the periphery of the rotating shaft 25, an open slot 17 with a downward opening is formed in the thick gear 16, a connecting rod 15 is slidably connected in the open slot 17, a driving shaft 29 is fixedly connected to the lower end of the connecting rod 15, the driving shaft 29 is rotatably connected in the connecting plate 24, a milling cutter 30 is fixedly connected to the lower end of the driving shaft 29, the output, and then the milling cutter 30 is driven to rotate, so that the function of milling the upper surface of the part is achieved, the output shaft 19 rotates, and then the threaded slider 20 is driven to reciprocate up and down, so that the connecting cross rod 21 is driven to reciprocate up and down, and further the fixing block 22 is driven to reciprocate up and down, so that the rotating shaft 25 is driven to reciprocate up and down, and further the meshing gear 23 is driven to reciprocate up and down, so that the adjusting shell 55 is driven to reciprocate up and down, and therefore the function of cutting and chamfering the upper surface of the part for multiple times is achieved.

Beneficially, driving shaft 29 periphery meshing is connected with internal toothed belt wheel 27, internal toothed belt wheel 27 is equipped with the internal tooth, driving shaft 29 periphery is equipped with the external tooth, internal toothed belt wheel 27 rotates and is connected with gear support 28, gear support 28 rear end is solid link on milling chamber 12 rear inner wall, milling chamber 12 upper inner wall has linked firmly thin pole 14, thin pole 14 periphery has linked firmly rear pulley 41, rear pulley 41 with be connected with belt 26 between the internal toothed belt wheel 27, thin pole 14 lower extreme has linked firmly rear meshing gear 42, rear meshing gear 42 front end meshing is connected in turn-over ring 13 rear end, gear support 28 has played the function that the position of internal toothed belt wheel 27 keeps unchangeable when driving shaft 29 reciprocates from top to bottom, driving shaft 29 rotates, and then drives internal toothed belt wheel 27 rotates, and then drives belt 26 rotates, and then the rear belt wheel 41 is driven to rotate, so that the thin rod 14 is driven to rotate, and then the rear meshing gear 42 is driven to rotate, so that the turnover ring 13 is driven to rotate, and therefore the function of rotating the part is achieved, and the function of cutting chamfers on the periphery of the upper surface of the part is achieved.

Beneficially, milling cavity 12 downside is equipped with the bilateral symmetry's that uses milling shell 11 central line as the symmetry axis cushion chamber 38, sliding connection has cushion block 36 in cushion chamber 38, cushion block 36 lower extreme is linked firmly buffer spring 37, cushion spring 37 lower extreme is linked firmly inner wall under cushion chamber 38, cushion block 36 and buffer spring 37 have played the function of buffering when connecting strip 31 reciprocates from top to bottom.

Advantageously, the fluid chambers 43 are provided with an anti-leakage plate 45 at the ends adjacent to each other, and the anti-leakage plate 45 functions to prevent the non-Newtonian fluid in the fluid chambers 43 from flowing out.

Advantageously, a flow through hole 50 is formed in the floating plate 51, and the flow through hole 50 functions to allow the non-newtonian fluid in the chamber 43 to flow through the floating plate 51.

The following describes in detail the use steps of an automatic-turning adjustable-angle milling chamfering device in conjunction with fig. 1 to 6:

in the initial state, the ratchet bar 35 and the ratchet wheel 34 are not in the engaged state, and the threaded sliding block 20 is positioned at the uppermost end of the lifting output shaft 19;

when the angle needs to be adjusted, the poke rod 58 is poked to drive the swing gear 60 to rotate, so as to drive the annular rack 65 to rotate, so as to drive the connecting ring 66 to rotate, so as to drive the chamfering shaft 67 to rotate, so as to drive the front bevel gear 64 to rotate, so as to drive the chamfering cutter 57 to rotate, so as to achieve the function of adjusting the chamfer to be cut, the motor 18 is started, so as to drive the output shaft 19 to rotate, so as to drive the thick gear 16 to rotate, so as to drive the meshing gear 23 to rotate, so as to drive the rotating shaft 25 to rotate, so as to drive the driving bevel gear 62 to rotate, so as to drive the double-end bevel gear 63 to rotate, so as to drive the front bevel gear 64 to rotate, so as to drive the chamfering shaft 67 to rotate, so as to drive the chamfering cutter 57 to rotate, so as to achieve the function of cutting the chamfer, when the connecting strip 31, the front bevel gear 64 is driven to rotate, the transverse rotating shaft 32 is driven to rotate, the square 52 is driven to rotate one hundred eighty degrees, the overturning ring 13 is driven to rotate one hundred eighty degrees, a part to be processed is placed in the through cavity 40, the part contacts the clamping plate 46, the clamping plate 46 is driven to move towards one end away from each other, the clamping spring 47 is driven to compress, and therefore the function of clamping the part is achieved, when the overturning ring 13 overturns the non-Newtonian fluid in the fluid cavity 43, the floating plate 51 is driven to move upwards, the moving block 49 is driven to move upwards, the situation that the part needs to be cut is always kept at the upper end of the through cavity 40 is achieved, the rotation of the cavity 48 and the overturning ring 13 cannot interfere, and the ratchet bar 35 cannot drive the ratchet wheel 34 to rotate when descending;

the output shaft 19 rotates to drive the thick gear 16 to rotate, the connecting rod 15 to rotate, the driving shaft 29 to rotate, the milling cutter 30 to rotate, the function of milling the upper surface of the part is achieved, the output shaft 19 rotates to drive the threaded slider 20 to reciprocate up and down, the connecting cross rod 21 to reciprocate up and down, the fixing block 22 to reciprocate up and down, the rotating shaft 25 to reciprocate up and down, the meshing gear 23 to reciprocate up and down, the adjusting shell 55 to reciprocate up and down, the function of cutting and chamfering the upper surface of the part for multiple times is achieved, the driving shaft 29 rotates to drive the internal toothed belt wheel 27 to rotate, the belt 26 to rotate, the rear belt wheel 41 to rotate, the thin rod 14 to rotate, the rear meshing gear 42 to rotate, and the turning ring 13 to rotate, thereby, the function of rotating the part is achieved, and the function of cutting the chamfer on the periphery of the upper surface of the part is achieved.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides an automatic adjustable angle's of upset mills chamfer device, includes and mills the shell, its characterized in that: a milling cavity which is communicated left and right is arranged in the milling shell, a motor is fixedly connected to the inner wall of the milling cavity, the lower end of the motor is in power connection with an output shaft, a thick gear is fixedly connected to the lower end of the output shaft, the left end and the right end of the thick gear are in meshing connection with meshing gears which are symmetrical left and right and take the central line of the thick gear as a symmetrical axis, the meshing gears are fixedly connected with concentric rotating shafts, a driving bevel gear is fixedly connected to the lower end of the rotating shafts, the front end of the driving bevel gear is in meshing connection with a double-ended bevel gear, the double-ended bevel gear is fixedly connected with a concentric inner rotating shaft, the front end and the rear end of the inner rotating shaft are in rotating connection with an adjusting shell, an adjusting cavity is arranged in the adjusting shell, the inner rotating shaft is rotatably connected to the, the chamfering tool is fixedly connected to one end, close to each other, of each chamfering shaft, a connecting ring is rotatably connected to the periphery of each chamfering shaft, annular racks are fixedly connected to two sides of each connecting ring, annular rack supports are slidably connected to the upper ends of the annular racks, the upper ends of the annular rack supports are fixedly connected to the inner wall of the adjusting cavity, the ends, far away from each other, of the annular racks are meshed and connected with swing gears, the swing gears are fixedly connected with concentric gear shafts, the gear shafts are rotatably connected to the front inner wall and the rear inner wall of the adjusting cavity, a vertical swing cavity is formed in one end, far away from each other, of the adjusting shell, a poking rod is fixedly connected to one end, far away from each other, of the swing gears, the poking rod is connected in the vertical swing cavity in a swinging mode, a swinging; the lower end of the adjusting shell is fixedly connected with a connecting strip, the lower end of the connecting strip is provided with a ratchet bar, the front side of the connecting strip is provided with a ratchet wheel, the ratchet wheel is fixedly connected with a concentric transverse rotating shaft, the end, away from each other, of the transverse rotating shaft is rotatably connected with a bottom bracket, the lower end of the bottom bracket is fixedly connected with the lower inner wall of the milling cavity, the end, close to each other, of the transverse rotating shaft is fixedly connected with a square block, the square block is slidably connected with a turning ring, a square block groove with an opening towards the side away from each other is formed in the turning ring, the square block is slidably connected in the square block groove, a fluid cavity is formed in the turning ring, a floating plate is slidably connected in the fluid cavity, the end, close to each other, of the floating plate is fixedly connected with a moving block, a clamping cavity is formed in the moving block, clamping plates are slidably connected in, and a concentric through cavity which is communicated up and down is arranged in the overturning ring.

2. The automatic-overturning angle-adjustable milling chamfering device according to claim 1, wherein: output shaft periphery threaded connection has the screw thread slider, the screw thread slider left and right sides link firmly with the screw thread slider central line is the bilateral symmetry's of symmetry axis connection horizontal pole, the one end that the connection horizontal pole was kept away from each other has linked firmly the fixed block, the fixed block lower extreme rotates and is connected with the axis of rotation, the axis of rotation periphery rotates and is connected with the connecting plate, be equipped with the open slot that opens downwards in the thick gear, sliding connection has the connecting rod in the open slot, the connecting rod lower extreme has linked firmly the driving shaft, the driving shaft rotates to be connected in the connecting plate, the driving shaft lower extreme has.

3. The automatic-overturning angle-adjustable milling chamfering device according to claim 2, wherein: the meshing of driving shaft periphery is connected with the internal toothed belt wheel, the internal toothed belt wheel is equipped with the internal tooth, the driving shaft periphery is equipped with the external tooth, the internal toothed belt wheel rotates and is connected with gear support, gear support rear end is solid even mill on the chamber rear inner wall, mill the chamber and go up the inner wall and linked firmly the pin, the pin periphery has linked firmly the rear belt wheel, the rear belt wheel with be connected with the belt between the internal toothed belt wheel, the pin lower extreme has linked firmly the back meshing gear, the meshing of back meshing gear front end is connected the upset ring rear end.

4. The automatic-overturning angle-adjustable milling chamfering device according to claim 3, wherein: the milling device is characterized in that a buffer cavity which is symmetrical left and right is arranged on the lower side of the milling cavity, the central line of the milling shell serves as a symmetrical axis, a buffer block is connected in the buffer cavity in a sliding mode, a buffer spring is fixedly connected to the lower end of the buffer block, and the lower end of the buffer spring is fixedly connected to the lower inner wall of the buffer cavity.

5. The automatic-overturning angle-adjustable milling chamfering device according to claim 2, wherein: and one end of the fluid cavities, which is close to each other, is provided with a leakage-proof plate.

6. The automatic-overturning angle-adjustable milling chamfering device according to claim 2, wherein: and a flow through hole which is communicated up and down is arranged in the floating plate.