CN110216175B - Bending device and bending process thereof - Google Patents
Bending device and bending process thereof Download PDFInfo
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- CN110216175B CN110216175B CN201910653086.0A CN201910653086A CN110216175B CN 110216175 B CN110216175 B CN 110216175B CN 201910653086 A CN201910653086 A CN 201910653086A CN 110216175 B CN110216175 B CN 110216175B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/022—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment over a stationary forming member only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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Abstract
The invention discloses a bending device which comprises an equipment platform, wherein a vertical main shaft is arranged on the equipment platform, and the lower end of the main shaft is rotatably connected with a bearing hole in the equipment platform through a first bearing; the upper end of the main shaft is coaxially and integrally connected with a first gear, a gear ring body is coaxially arranged on the outer side of the first gear, and a plurality of inner ring tooth bodies are distributed on the inner ring of the gear ring body in a circumferential array along the outline; the bending angle of the bending part of the rod body to be bent is just a preset angle for clockwise circulation of an integrated structure formed by the second gear, the second cylindrical body and the fourth gear around the axis of the third gear; the structure can realize bending of the rod body at any preset angle.
Description
Technical Field
The invention belongs to the field of bending machines.
Background
The existing bar body bending machine can only bend a preset bending angle generally, and can not realize bending at any angle.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a bending device and a bending process thereof.
The technical scheme is as follows: in order to achieve the purpose, the bending device comprises an equipment platform, wherein a vertical main shaft is arranged on the equipment platform, and the lower end of the main shaft is rotatably connected with a bearing hole in the equipment platform through a first bearing; the upper end of the main shaft is coaxially and integrally connected with a first gear, a gear ring body is coaxially arranged on the outer side of the first gear, and a plurality of inner ring tooth bodies are distributed on the inner ring of the gear ring body in a circumferential array along the outline; a second gear is further arranged between the inner ring of the gear ring body and the outer ring of the first gear, the second gear is meshed with the first gear, and the second gear is further meshed with the inner ring gear body of the gear ring body;
the upper side of the first gear is integrally and coaxially connected with a first cylindrical body, and the diameter of the first cylindrical body is the same as the reference circle diameter of the first gear; the upper side of the second gear is integrally and coaxially connected with a second cylindrical body, and the diameter of the second cylindrical body is the same as the diameter of a reference circle of the second gear; the cylindrical surface of the first cylindrical body is tangent to the cylindrical surface of the second cylindrical body; a first annular groove is coaxially arranged at the height of the middle part of the column wall of the first cylindrical body, and a second annular groove is coaxially arranged at the height of the middle part of the column wall of the second cylindrical body; the groove sections of the first annular groove and the second annular groove are semicircular; the intersection of the first annular groove and the second annular groove forms a circular rod body constraint hole.
Furthermore, an annular bearing seat is sleeved on the outer side of the main shaft, and an inner ring of the bearing seat is in rotating close fit connection with the main shaft through a second bearing; the outer wall of the bearing seat is integrally connected with a plurality of gear ring supports in a circumferential array manner, and the tail end of each gear ring support is fixedly supported and connected with the lower side surface of the gear ring body; the upper side of the first cylindrical body is coaxially and integrally connected with a third gear, the upper side of the second cylindrical body is coaxially and integrally connected with a fourth gear, and the third gear and the fourth gear are meshed with each other; the diameters of reference circles of the first gear, the second gear, the third gear and the fourth gear are the same; the upper sides of the third gear and the fourth gear are coaxially and integrally connected with a first linkage shaft and a second linkage shaft; the linkage mechanism is characterized by further comprising a linkage rod, wherein bearing holes at two ends of the linkage rod are in rotating tight fit connection with the first linkage shaft and the second linkage shaft through a third bearing and a fourth bearing respectively.
Furthermore, a vertical braking hole is formed in the middle of the linkage rod; a vertical supporting piece is further arranged on one side of the equipment platform, a cantilever is integrally connected to the top of the supporting piece, a motor is fixedly mounted on the lower side of the root of the cantilever, an output gear is synchronously connected to an output shaft of the motor, and a plurality of outer ring tooth bodies are distributed on the outer ring of the gear ring body in a circumferential array along the outline; the output gear is meshed with the outer ring gear body on the outer ring of the gear ring body.
Furthermore, a vertical electromagnetic expansion piece is fixedly installed on the lower side of the tail end of the cantilever, and the lower end of a telescopic rod of the electromagnetic expansion piece can extend downwards to be inserted into a braking hole in the linkage rod; a transverse linear motor is fixedly mounted on one side of a shell of the motor, a gear braking jaw is connected to the tail end of a linear telescopic push rod of the linear motor, a braking tooth groove capable of being meshed with the third gear is formed in the gear braking jaw, and the third gear can be braked by the braking tooth groove on the gear braking jaw through the extending motion of the linear telescopic push rod; the equipment platform is also fixedly provided with a vertical supporting pile, and the supporting pile is positioned in the enclosing range of the gear ring body; the top fixed mounting of support stake has horizontal guide post, the guide post link up along the axis and is provided with the bullport, the bullport with the restricted hole of barred body sets up with the axle center, just the internal diameter of bullport with the restricted hole of barred body's internal diameter is the same.
Further, the bending process of the bending device comprises the following steps:
step one, controlling an electromagnetic expansion device to enable an expansion rod to do downward extension movement, and further enabling the lower end of the expansion rod to be inserted into a braking hole in a linkage rod to enable the linkage rod to be in a braking state, so that the linkage rod cannot rotate around a first linkage shaft; meanwhile, the linear motor is controlled, and then the linear telescopic push rod is controlled to enable the gear braking jaw to retract until a braking tooth groove on the gear braking jaw is separated from the third gear, and then the third gear is in a state of freely rotating along the axis; then, one end of the rod body to be bent penetrates through the guide hole, and then the rod body to be bent is continuously pushed until the end of the rod body to be bent, which penetrates through the guide hole, is inserted into the rod body constraint hole;
step two, starting a motor, driving the gear ring body to rotate anticlockwise through the output gear by the motor, driving an integrated structure formed by a second gear, a second cylindrical body and a fourth gear to synchronously rotate anticlockwise along the axis of a second linkage shaft by a plurality of inner ring gear bodies on the gear ring body, and driving a third gear to rotate clockwise along the first linkage shaft by the fourth gear; meanwhile, the first cylindrical body synchronously rotates clockwise along with the third gear, the second cylindrical body synchronously rotates anticlockwise along with the fourth gear, and further the first annular groove and the second annular groove drag the rod body to be bent inserted into the rod body constraint hole to continue to quantitatively advance along the insertion direction through friction force at the rod body constraint hole until the preset bending part on the rod body to be bent reaches the position of the rod body constraint hole; then controlling a linear motor to further control a linear telescopic push rod to enable a gear braking jaw to extend out until a braking tooth groove on the gear braking jaw brakes a third gear, and further enabling the third gear to be in a braking state incapable of rotating along the axis;
step three, controlling the electromagnetic expansion device to enable the expansion link to contract upwards, and further enabling the lower end of the expansion link to be drawn out of a brake hole in the linkage rod upwards, so that the linkage rod is in a non-brake state, and further the linkage rod is in a state of being capable of rotating around the first linkage shaft; at the moment, the motor is controlled, the motor drives the gear ring body to rotate clockwise through the output gear, and then the inner ring gear bodies on the gear ring body drive the integrated structure formed by the second gear, the second cylindrical body and the fourth gear to synchronously rotate clockwise along the axis of the second linkage shaft; in the process that an integrated structure formed by the second gear, the second cylindrical body and the fourth gear rotates clockwise by a preset angle along the third gear, the second cylindrical body rolls along the circumferential direction of the cylindrical surface of the first cylindrical body, so that the position of the rod body constraint hole moves clockwise along with the second cylindrical body along the axis of the first cylindrical body, and further a bending part on the rod body to be bent is bent along the profile radian of the first annular groove under the constraint of the movement of the rod body constraint hole, and the bending part of the rod body to be bent is just the preset angle for clockwise rotation of the integrated structure formed by the second gear, the second cylindrical body and the fourth gear around the axis of the third gear;
fourthly, controlling the motor, driving the gear ring body to rotate anticlockwise through the output gear by the motor, and driving an integrated structure formed by the second gear, the second cylindrical body and the fourth gear to synchronously rotate anticlockwise along the axis of the second linkage shaft by a plurality of inner ring gear bodies on the gear ring body; further, the integral structure formed by the second gear, the second cylindrical body and the fourth gear rotates anticlockwise along the axis of the third gear to the state when the step two is finished, and at the moment, the side, away from the guide column, of the rod body in the rod body constraint hole is a bent part which is bent; then controlling the electromagnetic expansion device to enable the expansion rod to do downward extending movement, and further enabling the lower end of the expansion rod to be inserted into the braking hole in the linkage rod again to enable the linkage rod to be in a braking state, and further enabling the linkage rod not to rotate around the first linkage shaft; meanwhile, the linear motor is controlled, and then the linear telescopic push rod is controlled to enable the gear braking jaw to retract until the braking tooth groove on the gear braking jaw is separated from the third gear, and then the third gear is in a state of being capable of freely rotating along the axis again;
step five, controlling a motor, driving a gear ring body to rotate anticlockwise through an output gear by the motor, driving an integrated structure formed by a second gear, a second cylindrical body and a fourth gear to synchronously rotate anticlockwise along the axis of a second linkage shaft by a plurality of inner ring gear bodies on the gear ring body, and driving a third gear to rotate clockwise along a first linkage shaft by the fourth gear; meanwhile, the first cylindrical body synchronously rotates clockwise along with the third gear, the second cylindrical body synchronously rotates anticlockwise along with the fourth gear, and then the first annular groove and the second annular groove are enabled to continuously drag the rod body penetrating through the rod body constraint hole at the rod body constraint hole through friction force to continuously push in the inserting direction until the tail end of the rod body reaches and is separated from the rod body constraint hole, and at the moment, blanking of the bent rod body is completed.
Has the advantages that: the bending angle of the bending part of the rod body to be bent is just a preset angle for clockwise circulation of an integrated structure formed by the second gear, the second cylindrical body and the fourth gear around the axis of the third gear; the structure can realize bending of the rod body at any preset angle.
Drawings
FIG. 1 is a general front view of the bending apparatus;
FIG. 2 is a perspective view of the bending apparatus;
FIG. 3 is a schematic view of a bent rod passing through both a guide hole and a rod restraining hole;
FIG. 4 is a front view of the drive portion of the device;
FIG. 5 is a first perspective view of FIG. 4;
FIG. 6 is a second perspective view of FIG. 5;
FIG. 7 is a top view of the transmission portion of the device;
FIG. 8 is a schematic view of the driving portion of the device bending a bent bar;
FIG. 9 is a schematic view of a first step of the bending process;
FIG. 10 is a schematic view of a second step of the bending process;
FIG. 11 is a schematic view of step three of the bending process;
FIG. 12 is a schematic diagram of step four of the bending process.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The bending device shown in fig. 1 to 12 comprises an equipment platform 16, wherein a vertical main shaft 18 is arranged on the equipment platform 16, and the lower end of the main shaft 18 is rotatably connected with a bearing hole 19 on the equipment platform 16 through a first bearing 42; the upper end of the main shaft 18 is coaxially and integrally connected with a first gear 32, a gear ring body 27 is coaxially arranged on the outer side of the first gear 32, and a plurality of inner ring gear bodies 29 are distributed on the inner ring of the gear ring body 27 in a circumferential array along the outline; a second gear 31 is further arranged between the inner ring of the gear ring body 27 and the outer ring of the first gear 32, the second gear 31 is meshed with the first gear 32, and the second gear 31 is further meshed with the inner ring gear body 29 of the gear ring body 27;
a first cylindrical body 33 is integrally and coaxially connected to the upper side of the first gear 32, and the diameter of the first cylindrical body 33 is the same as the pitch circle diameter of the first gear 32; a second cylindrical body 30 is integrally and coaxially connected to the upper side of the second gear 31, and the diameter of the second cylindrical body 30 is the same as the reference circle diameter of the second gear 31; the cylindrical surface of the first cylindrical body 33 is tangent to the cylindrical surface of the second cylindrical body 30; a first annular groove 36 is coaxially arranged at the height of the middle of the column wall of the first cylindrical body 33, and a second annular groove 35 is coaxially arranged at the height of the middle of the column wall of the second cylindrical body 30; the groove sections of the first annular groove 36 and the second annular groove 35 are semicircular; the intersection of the first annular groove 36 and the second annular groove 35 forms a circular rod restraining hole 43.
An annular bearing seat 20 is sleeved on the outer side of the main shaft 18, and the inner ring of the bearing seat 20 is in rotating tight fit connection with the main shaft 18 through a second bearing 91; a plurality of gear ring supports 21 are integrally connected to the outer wall of the bearing seat 20 in a circumferential array manner, and the tail end of each gear ring support 21 is fixedly supported and connected with the lower side surface of the gear ring body 27; a third gear 7 is coaxially and integrally connected to the upper side of the first cylindrical body 33, a fourth gear 13 is coaxially and integrally connected to the upper side of the second cylindrical body 30, and the third gear 7 and the fourth gear 13 are meshed with each other; the diameters of reference circles of the first gear 32, the second gear 31, the third gear 7 and the fourth gear 13 are the same; the upper sides of the third gear 7 and the fourth gear 13 are coaxially and integrally connected with a first linkage shaft 25 and a second linkage shaft 26; the linkage device is characterized by further comprising a linkage rod 12, wherein bearing holes at two ends of the linkage rod 12 are in rotating tight-fit connection with the first linkage shaft 25 and the second linkage shaft 26 through a third bearing 22 and a fourth bearing 24 respectively.
A vertical braking hole 23 is formed in the middle of the linkage rod 12; a vertical supporting piece 3 is further arranged on one side of the equipment platform 16, a cantilever 1 is integrally connected to the top of the supporting piece 3, a motor 2 is fixedly mounted on the lower side of the root of the cantilever 1, an output shaft 40 of the motor 2 is synchronously connected with an output gear 4, and a plurality of outer ring tooth bodies 28 are distributed on the outer ring of the gear ring body 27 along the outline in a circumferential array manner; the output gear 4 is meshed with an outer ring gear body 28 on the outer ring of the gear ring body 27.
A vertical electromagnetic expansion piece 5 is fixedly installed on the lower side of the tail end of the cantilever 1, and the lower end of an expansion rod 6 of the electromagnetic expansion piece 5 can extend downwards to be inserted into a brake hole 23 on the linkage rod 12; a transverse linear motor 11 is fixedly installed on one side of a machine shell of the motor 2, a gear braking jaw 8 is connected to the tail end of a linear telescopic push rod 10 of the linear motor 11, a braking tooth groove capable of being meshed with the third gear 7 is formed in the gear braking jaw 8, and the third gear 7 can be braked by the braking tooth groove on the gear braking jaw 8 through the extending motion of the linear telescopic push rod 10; a vertical supporting pile 41 is further fixedly mounted on the equipment platform 16, and the supporting pile 41 is located within the enclosing range of the gear ring body 27; a transverse guide post 37 is fixedly mounted at the top of the support pile 41, a guide hole 38 is formed in the guide post 37 in a penetrating manner along the axis, the guide hole 38 and the rod body restriction hole 43 are coaxially arranged, and the inner diameter of the guide hole 38 is the same as that of the rod body restriction hole 43.
The working process of the bending mechanism and the bar body bending process are as follows:
step one, controlling an electromagnetic expansion device 5 to enable an expansion rod 6 to do downward extension movement, and further enabling the lower end of the expansion rod 6 to be inserted into a braking hole 23 on a linkage rod 12 to enable the linkage rod 12 to be in a braking state, and further enabling the linkage rod 12 not to rotate around a first linkage shaft 25; meanwhile, the linear motor 11 is controlled, and then the linear telescopic push rod 10 is controlled to enable the gear braking jaw 8 to retract until the braking tooth grooves on the gear braking jaw 8 are separated from the third gear 7, and then the third gear 7 is in a state of freely rotating along the axis; then, one end of the rod 39 to be bent passes through the guide hole 38, and then the rod 39 to be bent continues to be pushed in until the end of the rod 39 to be bent, which passes through the guide hole 38, is inserted into the rod restraining hole 43;
step two, starting the motor 2, driving the gear ring body 27 to rotate anticlockwise through the output gear 4, driving an integrated structure formed by the second gear 31, the second cylindrical body 30 and the fourth gear 13 to synchronously rotate anticlockwise along the axis of the second linkage shaft 26 through a plurality of inner ring gear bodies 29 on the gear ring body 27, and driving the third gear 7 to rotate clockwise along the first linkage shaft 25 through the fourth gear 13; meanwhile, the first cylindrical body 33 synchronously rotates clockwise along with the third gear 7, the second cylindrical body 30 synchronously rotates anticlockwise along with the fourth gear 13, and further the first annular groove 36 and the second annular groove 35 drag the rod 39 to be bent inserted into the rod restraining hole 43 to continue to advance quantitatively along the inserting direction at the rod restraining hole 43 through friction force until the preset bending part 39.1 on the rod 39 to be bent reaches the position of the rod restraining hole 43; then controlling a linear motor 11 to further control a linear telescopic push rod 10 to enable the gear braking jaw 8 to extend until a braking tooth groove on the gear braking jaw 8 brakes the third gear 7, and further enabling the third gear 7 to be in a braking state incapable of rotating along the axis;
step three, controlling the electromagnetic expansion device 5 to enable the expansion rod 6 to contract upwards, further enabling the lower end of the expansion rod 6 to be drawn out of the brake hole 23 in the linkage rod 12 upwards, enabling the linkage rod 12 to be in a non-braking state, and further enabling the linkage rod 12 to be in a state of being capable of rotating around the first linkage shaft 25; at this time, the motor 2 is controlled, the motor drives the gear ring body 27 to rotate clockwise through the output gear 4, and then the inner ring gear bodies 29 on the gear ring body 27 drive the integral structure formed by the second gear 31, the second cylindrical body 30 and the fourth gear 13 to synchronously rotate clockwise along the axis of the second linkage shaft 26, meanwhile, as the fourth gear 13 and the third gear 7 are in a meshed state and the third gear 7 is in a braked state, the integral structure formed by the second gear 31, the second cylindrical body 30 and the fourth gear 13 also rotates clockwise around the axis of the third gear 7 at the same time of self-rotation by a preset angle, and the preset angle is a preset bending angle of the rod body 39 to be bent; in the process that the integral structure formed by the second gear 31, the second cylindrical body 30 and the fourth gear 13 rotates clockwise by a preset angle along the third gear 7, the second cylindrical body 30 rolls along the cylindrical surface of the first cylindrical body 33 in the circumferential direction, so that the position of the rod body restriction hole 43 moves clockwise along the axis of the first cylindrical body 33 along with the second cylindrical body 30, the bending part 39.1 of the rod body 39 to be bent bends along the profile radian of the first annular groove 36 under the restriction of the movement of the rod body restriction hole 43, and the bending angle of the bending part 39.1 of the rod body 39 to be bent is just the preset angle of the integral structure formed by the second gear 31, the second cylindrical body 30 and the fourth gear 13 rotating clockwise around the axis of the third gear 7;
step four, controlling the motor 2, driving the gear ring body 27 to rotate anticlockwise through the output gear 4, and driving an integrated structure formed by the second gear 31, the second cylindrical body 30 and the fourth gear 13 to synchronously rotate anticlockwise along the axis of the second linkage shaft 26 by the inner ring gear bodies 29 on the gear ring body 27; further, the integral structure formed by the second gear 31, the second cylindrical body 30 and the fourth gear 13 is rotated anticlockwise along the axis of the third gear 7 to the state at the end of the step two, and at this time, the rod 39 is a bent part 39.1 which is bent at the side of the rod constraint hole 43 far away from the guide column 37; then, the electromagnetic expansion device 5 is controlled to enable the expansion rod 6 to do downward extending movement, so that the lower end of the expansion rod 6 is inserted into the braking hole 23 in the linkage rod 12 again, the linkage rod 12 is in a braking state, and the linkage rod 12 cannot rotate around the first linkage shaft 25; meanwhile, the linear motor 11 is controlled, and then the linear telescopic push rod 10 is controlled to enable the gear braking jaw 8 to retract until the braking tooth grooves on the gear braking jaw 8 are separated from the third gear 7, and then the third gear 7 is in a state of being capable of freely rotating along the axis again;
step five, controlling the motor 2, driving the gear ring body 27 to rotate anticlockwise through the output gear 4, driving an integrated structure formed by the second gear 31, the second cylindrical body 30 and the fourth gear 13 to synchronously rotate anticlockwise along the axis of the second linkage shaft 26 through a plurality of inner ring gear bodies 29 on the gear ring body 27, and driving the third gear 7 to rotate clockwise along the first linkage shaft 25 through the fourth gear 13; at the same time, the first cylindrical body 33 rotates clockwise synchronously with the third gear 7, the second cylindrical body 30 rotates anticlockwise synchronously with the fourth gear 13, and the first annular groove 36 and the second annular groove 35 are further dragged by friction force at the rod body restriction hole 43 to further advance the rod body 39 passing through the rod body restriction hole 43 in the insertion direction until the tail end of the rod body 39 reaches and is separated from the rod body restriction hole 43, and then blanking of the bent rod body 39 is completed.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (2)
1. Bending device, characterized in that: the device comprises a device platform (16), wherein a vertical main shaft (18) is arranged on the device platform (16), and the lower end of the main shaft (18) is rotatably connected with a bearing hole (19) in the device platform (16) through a first bearing (42); the upper end of the main shaft (18) is coaxially and integrally connected with a first gear (32), a gear ring body (27) is coaxially arranged on the outer side of the first gear (32), and a plurality of inner ring gear bodies (29) are distributed on the inner ring of the gear ring body (27) along the contour in a circumferential array manner; a second gear (31) is further arranged between the inner ring of the gear ring body (27) and the outer ring of the first gear (32), the second gear (31) is meshed with the first gear (32), and the second gear (31) is further meshed with an inner ring gear body (29) of the gear ring body (27);
a first cylindrical body (33) is integrally and coaxially connected to the upper side of the first gear (32), and the diameter of the first cylindrical body (33) is the same as the reference circle diameter of the first gear (32); a second cylindrical body (30) is integrally and coaxially connected to the upper side of the second gear (31), and the diameter of the second cylindrical body (30) is the same as the reference circle diameter of the second gear (31); the cylindrical surface of the first cylindrical body (33) is tangent to the cylindrical surface of the second cylindrical body (30); a first annular groove (36) is coaxially arranged at the height of the middle of the column wall of the first column body (33), and a second annular groove (35) is coaxially arranged at the height of the middle of the column wall of the second column body (30); the groove sections of the first annular groove (36) and the second annular groove (35) are semicircular; the intersection of the first annular groove (36) and the second annular groove (35) forms a circular rod body restriction hole (43);
an annular bearing seat (20) is sleeved on the outer side of the main shaft (18), and the inner ring of the bearing seat (20) is in rotating tight fit connection with the main shaft (18) through a second bearing (91); the outer wall of the bearing seat (20) is connected with a plurality of gear ring supports (21) in a circumferential array integrated mode, and the tail end of each gear ring support (21) is fixedly supported and connected with the lower side face of the gear ring body (27); a third gear (7) is coaxially and integrally connected to the upper side of the first cylindrical body (33), a fourth gear (13) is coaxially and integrally connected to the upper side of the second cylindrical body (30), and the third gear (7) and the fourth gear (13) are meshed with each other; the diameters of reference circles of the first gear (32), the second gear (31), the third gear (7) and the fourth gear (13) are the same; the upper sides of the third gear (7) and the fourth gear (13) are coaxially and integrally connected with a first linkage shaft (25) and a second linkage shaft (26); the linkage mechanism is characterized by further comprising a linkage rod (12), wherein bearing holes at two ends of the linkage rod (12) are respectively connected with the first linkage shaft (25) and the second linkage shaft (26) in a rotating and tight-fitting manner through a third bearing (22) and a fourth bearing (24);
a vertical braking hole (23) is formed in the middle of the linkage rod (12); a vertical supporting piece (3) is further arranged on one side of the equipment platform (16), a cantilever (1) is integrally connected to the top of the supporting piece (3), a motor (2) is fixedly mounted on the lower side of the root of the cantilever (1), an output shaft (40) of the motor (2) is synchronously connected with an output gear (4), and a plurality of outer ring gear bodies (28) are distributed on the outer ring of the gear ring body (27) in a circumferential array along the outline; the output gear (4) is meshed with an outer ring gear body (28) on the outer ring of the gear ring body (27);
a vertical electromagnetic expansion piece (5) is fixedly installed on the lower side of the tail end of the cantilever (1), and the lower end of a telescopic rod (6) of the electromagnetic expansion piece (5) can extend downwards to be inserted into a brake hole (23) in the linkage rod (12); a transverse linear motor (11) is fixedly mounted on one side of a machine shell of the motor (2), a gear braking jaw (8) is connected to the tail end of a linear telescopic push rod (10) of the linear motor (11), a braking tooth groove capable of being meshed with the third gear (7) is formed in the gear braking jaw (8), and the third gear (7) can be braked by the braking tooth groove in the gear braking jaw (8) through the extending movement of the linear telescopic push rod (10); the equipment platform (16) is also fixedly provided with a vertical supporting pile (41), and the supporting pile (41) is positioned in the enclosing range of the gear ring body (27); the top of the support pile (41) is fixedly provided with a transverse guide column (37), the guide column (37) is provided with a guide hole (38) along the axis in a penetrating manner, the guide hole (38) and the rod body constraint hole (43) are coaxially arranged, and the inner diameter of the guide hole (38) is the same as that of the rod body constraint hole (43).
2. The bending process of the bending device according to claim 1, wherein: the method comprises the following steps:
step one, controlling an electromagnetic expansion device (5) to enable an expansion rod (6) to do downward extension movement, further enabling the lower end of the expansion rod (6) to be inserted into a braking hole (23) on a linkage rod (12), enabling the linkage rod (12) to be in a braking state, and further enabling the linkage rod (12) not to rotate around a first linkage shaft (25); meanwhile, the linear motor (11) is controlled, and then the linear telescopic push rod (10) is controlled to enable the gear braking jaw (8) to retract until a braking tooth groove on the gear braking jaw (8) is separated from the third gear (7), and then the third gear (7) is in a state of being capable of freely rotating along the axis; then, one end of the rod body (39) to be bent penetrates through the guide hole (38), and then the rod body (39) to be bent is continuously pushed until the rod body (39) to be bent penetrates through one end of the guide hole (38) and is inserted into the rod body restraining hole (43);
step two, starting the motor (2), driving the gear ring body (27) to rotate anticlockwise through the output gear (4), driving an integrated structure formed by the second gear (31), the second cylindrical body (30) and the fourth gear (13) to synchronously rotate anticlockwise along the axis of the second linkage shaft (26) through a plurality of inner ring gear bodies (29) on the gear ring body (27), and driving the third gear (7) to rotate clockwise along the first linkage shaft (25) through the fourth gear (13); meanwhile, the first cylindrical body (33) synchronously rotates clockwise along with the third gear (7), the second cylindrical body (30) synchronously rotates anticlockwise along with the fourth gear (13), and further the first annular groove (36) and the second annular groove (35) drag the rod body (39) to be bent inserted into the rod body constraint hole (43) to continuously advance quantitatively along the insertion direction at the rod body constraint hole (43) through friction force until the preset bending part (39.1) on the rod body (39) to be bent reaches the position of the rod body constraint hole (43); then controlling a linear motor (11) to further control a linear telescopic push rod (10) to enable a gear braking jaw (8) to extend out until a braking tooth groove on the gear braking jaw (8) brakes a third gear (7), and further enabling the third gear (7) to be in a braking state that the third gear cannot rotate along the axis;
step three, controlling the electromagnetic expansion device (5) to enable the expansion link (6) to contract upwards, further enabling the lower end of the expansion link (6) to be drawn out of a brake hole (23) in the linkage rod (12) upwards, enabling the linkage rod (12) to be in a non-braking state, and further enabling the linkage rod (12) to be in a state of being capable of rotating around a first linkage shaft (25); at the moment, the motor (2) is controlled, the motor drives the gear ring body (27) to rotate clockwise through the output gear (4), then the plurality of inner ring gear bodies (29) on the gear ring body (27) drive the integrated structure formed by the second gear (31), the second cylindrical body (30) and the fourth gear (13) to synchronously rotate clockwise along the axis of the second linkage shaft (26), meanwhile, the fourth gear (13) and the third gear (7) are in a meshed state, the third gear (7) is in a braked state, and then the integrated structure formed by the second gear (31), the second cylindrical body (30) and the fourth gear (13) rotates clockwise around the axis of the third gear (7) while rotating automatically, wherein the preset angle is a preset bending angle of the rod body (39) to be bent; in the process that the integral structure formed by the second gear (31), the second cylindrical body (30) and the fourth gear (13) rotates clockwise along the third gear (7) by a preset angle, the second cylindrical body (30) rolls along the circumferential direction of the cylindrical surface of the first cylindrical body (33), so that the position of the rod body constraint hole (43) also moves clockwise along the axis of the first cylindrical body (33) along with the second cylindrical body (30), the bending part (39.1) on the rod body (39) to be bent bends along the profile radian of the first annular groove (36) under the constraint of the movement of the rod body constraint hole (43), and the bending angle of the bending part (39.1) of the rod body (39) to be bent is just the preset angle of the clockwise rotation of the integral structure formed by the second gear (31), the second cylindrical body (30) and the fourth gear (13) around the axis of the third gear (7);
fourthly, controlling the motor (2), driving the gear ring body (27) to rotate anticlockwise through the output gear (4), and driving an integrated structure formed by the second gear (31), the second cylindrical body (30) and the fourth gear (13) to synchronously rotate anticlockwise along the axis of the second linkage shaft (26) through a plurality of inner ring gear bodies (29) on the gear ring body (27); further, the integral structure formed by the second gear (31), the second cylindrical body (30) and the fourth gear (13) is rotated anticlockwise along the axis of the third gear (7) to a state at the end of the step two, and at the moment, the rod body (39) is a bent part (39.1) which is bent at one side of the rod body constraint hole (43) far away from the guide column (37); then controlling the electromagnetic expansion device (5) to enable the expansion rod (6) to do downward extension movement, further enabling the lower end of the expansion rod (6) to be inserted into a braking hole (23) on the linkage rod (12) again, enabling the linkage rod (12) to be in a braking state, and further enabling the linkage rod (12) not to rotate around a first linkage shaft (25); meanwhile, the linear motor (11) is controlled, and then the linear telescopic push rod (10) is controlled to enable the gear braking jaw (8) to retract until a braking tooth groove on the gear braking jaw (8) is separated from the third gear (7), and then the third gear (7) is in a state of being capable of freely rotating along the axis again;
fifthly, controlling the motor (2), driving the gear ring body (27) to rotate anticlockwise through the output gear (4), driving an integrated structure formed by the second gear (31), the second cylindrical body (30) and the fourth gear (13) to synchronously rotate anticlockwise along the axis of the second linkage shaft (26) through a plurality of inner ring gear bodies (29) on the gear ring body (27), and driving the third gear (7) to rotate clockwise along the first linkage shaft (25) through the fourth gear (13); meanwhile, the first cylindrical body (33) synchronously rotates clockwise along with the third gear (7), the second cylindrical body (30) synchronously rotates anticlockwise along with the fourth gear (13), and further the first annular groove (36) and the second annular groove (35) are dragged to pass through the rod body (39) in the rod body constraint hole (43) at the rod body constraint hole (43) through friction force to continuously advance along the inserting direction until the tail end of the rod body (39) reaches and is separated from the rod body constraint hole (43), and blanking of the bent rod body (39) is completed.
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| CN113458199B (en) * | 2021-09-06 | 2021-11-16 | 立之达(徐州)智能装备有限公司 | Metal pipe bending device |
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| CN2146315Y (en) * | 1991-09-27 | 1993-11-17 | 张肇强 | Section-bending machine |
| CN102864352B (en) * | 2012-09-04 | 2014-02-26 | 古交市银河镁业有限公司 | Magnesium alloy and device and method for machining magnesium alloy handrail ring of wheelchair |
| TWM498068U (en) * | 2014-09-26 | 2015-04-01 | P & M Refrigeration Ind Co Ltd | Tube bending device with enlarged force |
| CN206474537U (en) * | 2017-01-09 | 2017-09-08 | 新疆磐石钢材科技有限公司 | A kind of large diameter steel pipe swan neck system |
| CN208810864U (en) * | 2018-09-19 | 2019-05-03 | 兴发铝业（成都）有限公司 | A kind of automation aluminum profile bending apparatus with reinforcing space |
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