CN210305194U - High-precision pipe bender - Google Patents

High-precision pipe bender Download PDF

Info

Publication number
CN210305194U
CN210305194U CN201920797861.5U CN201920797861U CN210305194U CN 210305194 U CN210305194 U CN 210305194U CN 201920797861 U CN201920797861 U CN 201920797861U CN 210305194 U CN210305194 U CN 210305194U
Authority
CN
China
Prior art keywords
unit
pipe
clamping
motor
gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920797861.5U
Other languages
Chinese (zh)
Inventor
邢李
张坚祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhangjiagang Xinmingda Machinery Manufacturing Co ltd
Original Assignee
Zhangjiagang Xinmingda Machinery Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhangjiagang Xinmingda Machinery Manufacturing Co ltd filed Critical Zhangjiagang Xinmingda Machinery Manufacturing Co ltd
Priority to CN201920797861.5U priority Critical patent/CN210305194U/en
Application granted granted Critical
Publication of CN210305194U publication Critical patent/CN210305194U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The utility model belongs to the technical field of the tubular product processingequipment, specifically disclose a high accuracy bending machine, it includes workstation, presss from both sides material unit, pay-off unit and return bend unit, presss from both sides on the material unit is fixed in the pay-off unit, and return bend unit is sent into to tubular product through the pay-off unit. The pipe bending unit comprises a fixing frame, a wheel die, a pipe bending motor, a pipe bending arm and a clamping portion, the fixing frame is connected with the feeding unit, the pipe bending arm and the wheel die are connected with the pipe bending motor and can rotate under the driving of the pipe bending motor, and a pipe passes through the feeding unit and then enters a pipe accommodating groove of the wheel die. The clamping part comprises a clamping cylinder, a clamping part connecting plate and a clamping die, the clamping die is fixed on the clamping part connecting plate, the clamping die and the wheel die are mutually matched to fix the pipe, and the clamping die can rotate along with the pipe bending arm to bend the pipe. The utility model discloses a bending machine precision of bending is high, compact structure, and easily adjusts, can satisfy bending of the tubular product of multiple specification.

Description

High-precision pipe bender
Technical Field
The utility model relates to a tubular product processingequipment technical field, concretely relates to high accuracy bending machine.
Background
The bending of the pipe is mostly finished by using a pipe bending machine at present. Most of the existing pipe bending machines are still relatively poor in bending precision, equipment is old and laggard, and a transmission system of the pipe bending machine adopts a hydraulic transmission system, so that hydraulic oil leakage is easily caused due to aging of a sealing rubber ring, and the problems of environmental sanitation and environmental protection are not facilitated. In addition, the bending angle of the existing bending machine at each time is difficult to accurately control, so that the bending degree of the pipe obtained by bending at each time has large errors, and the industrial requirements of aerospace, medical treatment, ships and the like on the precision are difficult to meet. The existing bending machine with higher bending precision is generally complex in structure, the limitation on the size and the shape of a bent pipe suitable for bending is large, the flexibility in use is not enough, and the bending cost is higher.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a high-precision pipe bender.
In order to achieve the above objects, the present invention provides a high precision pipe bender, which comprises a worktable, a clamping unit, a feeding unit and a pipe bending unit, wherein the clamping unit is fixed on the feeding unit, a pipe is fed into the pipe bending unit through the feeding unit, the clamping unit is tubular, the inner diameter of the clamping unit is larger than the outer diameter of the pipe, the pipe bending unit comprises a fixing frame, a wheel mold, a pipe bending motor, a pipe bending arm and a clamping portion, the fixing frame is connected with the feeding unit, the pipe bending motor is fixed on the fixing frame, the pipe bending arm and the wheel mold are respectively connected with the pipe bending motor and can rotate under the driving of the pipe bending motor, the wheel mold is provided with at least one pipe accommodating groove, the pipe enters the pipe accommodating groove of the wheel mold after passing through the feeding unit, still be provided with clamping part on the bent pipe arm, clamping part includes die clamping cylinder, clamping part connecting plate and presss from both sides the mould, it is fixed in to press from both sides the mould on the clamping part connecting plate, press from both sides the mould be provided with the corresponding cell body that is used for tubular product to pass through that sets up of tubular product holding tank of round mould, die clamping cylinder is used for promoting clamping part connecting plate to round mould direction removes. The utility model discloses a bending machine is through being fixed in on the cell body in the middle of pressing from both sides mould and wheel mould with tubular product to control the process and the angle of return bend through the return bend motor, reduce the error of return bend at every turn, the return bend motor can drive the wheel mould rotation again when providing the power of bending, prevents to cause tubular product surface unevenness at the process of bending.
Further, the return bend unit still includes clamping motor, fixing base and clamping part threaded rod, clamping motor is fixed in on the return bend arm, the fixing base has the internal thread and is fixed in on the clamping part connecting plate, the clamping part threaded rod with fixing base looks accordant connection and with the rotation axis of wheel mould sets up perpendicularly, the one end of clamping part threaded rod with clamping motor connects. Therefore, the pipe bending unit moves towards the direction close to or far away from the wheel die along the threaded rod of the clamping part under the action of the clamping motor, so that the pipe is better fixed by the clamping die and the wheel die, and a better bending effect is achieved.
Furthermore, the pipe bending unit further comprises a displacement adjusting mechanism, and the displacement adjusting mechanism can move the pipe bending unit up and down or left and right. Therefore, make the utility model discloses a compact structure of bending machine, the position of return bend unit is adjustable, the return bend operation of being convenient for.
Furthermore, the displacement adjusting mechanism comprises a transverse displacement adjusting mechanism and a longitudinal displacement adjusting mechanism, the transverse displacement adjusting mechanism comprises a transverse carriage, a first transverse displacement adjusting motor, a first transverse slide rail, a first rack and a first gear, the first rack and the first gear are arranged in parallel with the first transverse slide rail, the transverse carriage is arranged in a direction perpendicular to the direction of conveying the pipe material to the pipe bending unit, the first transverse slide rail is provided with two parallel devices on the lower surface of the transverse carriage along the direction perpendicular to the output direction of the pipe material, the first rack is arranged in parallel with the first transverse slide rail, the first transverse displacement adjusting motor is fixed on the fixing frame, the first gear is coaxially connected with the first transverse displacement adjusting motor and meshed with the first rack, and the fixing frame is clamped on the first transverse slide rail through a sliding block, the transverse displacement adjusting mechanism also comprises a transverse displacement adjusting fixing plate, a second transverse displacement adjusting motor, a horizontal transmission screw, a first connecting block connected with the horizontal transmission screw in a matching way and a transverse slide rail arranged in the horizontal direction, the horizontal transmission screw is arranged in parallel with the transverse slide rail, one end of the horizontal transmission screw is connected with the second transverse displacement adjusting motor, the other end of the horizontal transmission screw is fixed on the transverse displacement adjusting fixing plate through a bearing, the fixing frame is respectively connected with the first connecting block and a slide block clamped with the transverse slide rail, the longitudinal displacement adjusting mechanism comprises a longitudinal displacement adjusting fixing plate, a longitudinal displacement adjusting motor, a longitudinal slide rail arranged perpendicular to the horizontal plane direction, a second rack arranged perpendicular to the horizontal plane and a second gear meshed with the second rack, the transverse displacement adjusting fixing plate is fixed on the second rack and is connected with the slide block clamped on the longitudinal slide rail, the longitudinal displacement adjusting motor is fixed on the longitudinal displacement adjusting fixing plate, and the second gear is connected with an output shaft of the longitudinal displacement adjusting motor and meshed with the second rack. Therefore, the fixing frame of the pipe bending unit can respectively realize the movement in the horizontal direction under the driving of the first transverse displacement adjusting motor and the second transverse displacement adjusting motor, the moving stability of the pipe bending unit is ensured, and the pipe bending unit can be adjusted to the optimal pipe bending position in the horizontal direction. Vertical displacement adjustment mechanism has realized the adjustment to the position of return bend unit in vertical direction through the regulation to the lateral displacement regulating plate in the vertical direction, therefore makes the utility model discloses a structure adjustability of bending machine is strong, uses the flexibility ratio height.
Furthermore, an auxiliary derivation die is fixedly arranged on the upper surface of the transverse dragging plate, semi-cylindrical guide groove bodies are respectively arranged on the left side and the right side of the auxiliary derivation die, and the arrangement direction of the guide groove bodies is consistent with the direction of the central axis of the pipe fed into the pipe bending unit through the feeding unit. The left side and the right side of the auxiliary derivation direction die are respectively provided with the guide groove bodies, so that the wheel die and the auxiliary derivation direction die can still be matched with each other to fix the pipe when the pipe bending unit moves from the left side to the right side of the transverse dragging plate, the structural design of the bending machine is compact, and the application range is wide.
The utility model discloses a high accuracy bending machine pay-off unit includes pay-off connecting plate, first slide rail, third rack, pay-off motor and third gear, the pay-off connecting plate through set up in the slider of its bottom with first slide rail joint, first slide rail with the third rack all is fixed in the workstation upper surface and set up along the pay-off direction of tubular product, the pay-off motor is fixed in on the pay-off connecting plate, the output shaft of pay-off motor with third gear coaxial coupling, the third gear with third rack intermeshing. The feeding unit is driven by the feeding motor to realize feeding through the mutual meshing of the third gear and the third rack, so that the feeding process is stable, and the shaking of the pipe cannot occur.
Further, still include tubular product rotary unit, tubular product rotary unit include rotatory servo motor and cup joint in the bearing of material clamping unit lateral wall, the bearing with rotatory servo motor is connected and is in rotatory servo motor's drive is rotatory down. Drive the stable rotation of pressing from both sides the material unit through rotatory servo motor, both be convenient for to the processing of the different return bend directions of tubular product, can ensure again at the transmission stability of the rotatory in-process of tubular product, make the utility model discloses a bending machine has higher machining precision.
Furthermore, the rotary servo motor is fixed on the feeding connecting plate, the rotary servo motor is connected with the clamping unit through a pipe rotating unit gear set, an output shaft of the rotary servo motor is coaxially connected with an input gear of the pipe rotating unit gear set, and the clamping unit is connected with an output gear of the pipe rotating unit gear set through a bearing. The rotary servo motor is fixed on the feeding connecting plate, so that the structure of the pipe bender is more compact, and the stable rotation of the pipe in the transmission process can be ensured through the rotary unit gear set.
Further, the utility model discloses a high accuracy bending machine still includes and pushes away the material unit, it can with tubular product to push away the material unit the return bend unit direction promotes, it includes pushes away the material connecting plate, pushes away material motor, third gear and pushes away the material dog to push away the material unit, push away the material connecting plate through set up in the slider of its bottom with first slide rail joint, it is fixed in to push away the material motor push away on the material connecting plate, the output shaft that pushes away the material motor with third gear coaxial coupling, the third gear with second rack intermeshing, it is fixed in to push away the material dog push away the upper surface of material connecting plate, the position that corresponds to the tubular product axis that pushes away the material dog is provided with the guiding axle that can stretch into in the tubular product. The pushing unit is driven by the pushing motor, the third gear pushes the pipe to the pipe bending unit along the first sliding rail along the second rack, and the third gear is matched with the feeding unit to ensure that the pipe is continuously and stably pushed into the pipe bending unit.
Further, the utility model discloses a high accuracy bending machine press from both sides the inside tubular product of being provided with of material unit and transfer crack portion, tubular product transfers crack portion to include connecting portion and joint portion, connecting portion are located and keep away from the one end of return bend unit, joint portion is located and is close to the one end of return bend unit, the internal diameter size of joint portion is less than the internal diameter size of connecting portion, joint portion is being provided with at least one open slot along its axial direction, connecting portion with the one end that joint portion connects corresponds the open slot department correspondence of joint portion is provided with "U" shape groove. The inner diameter of the clamping portion is set to be smaller than that of the connecting portion, so that the pipe can be prevented from shaking inside the clamping unit, an open slot is formed in the clamping portion, certain buffering and adjusting space is formed when the pipe is bent, and the clamping unit is prevented from scratching the outer wall of the pipe.
Drawings
FIG. 1 is a schematic external view of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the hood removed according to a preferred embodiment of the present invention;
FIG. 3 is a schematic structural view of a gap adjusting portion of a tube according to a preferred embodiment of the present invention;
fig. 4 is a schematic structural view of a elbow unit according to a preferred embodiment of the present invention;
fig. 5 is a schematic structural view of a lateral displacement adjusting mechanism of the elbow unit according to a preferred embodiment of the present invention;
fig. 6 is a schematic structural view of a longitudinal displacement adjusting mechanism of the elbow unit according to a preferred embodiment of the present invention;
fig. 7 is a schematic structural diagram of a feeding unit and a pipe rotating unit according to a preferred embodiment of the present invention.
In the figure:
1-hood, 2-workbench, 3-material clamping pipe, 31-pipe gap adjusting part, 311-connecting part, 3111-U-shaped groove, 312-clamping part, 3121-open groove, 4-feeding unit, 41-feeding connecting plate, 42-first slide rail, 43-third rack, 44-feeding motor, 45-third gear, 5-elbow unit, 51-fixed frame, 52-wheel die, 521-pipe accommodating groove, 53-elbow motor, 54-elbow arm, 55-clamping part, 551-clamping cylinder, 552-clamping part connecting plate, 553-clamping die, 56-clamping motor, 57-fixed seat, 58-clamping part threaded rod, 591 transverse planker, 592-first transverse displacement adjusting motor, 593-first transverse slide rail, 594-a first rack, 595-a first gear, 596-a transverse displacement adjusting fixing plate, 597-a second transverse displacement adjusting motor, 598-a horizontal transmission screw, 599-a transverse sliding rail, 5101-a longitudinal displacement adjusting fixing plate, 5102-a longitudinal sliding rail, 5103-a second rack, 5104-a second gear, 6-a control panel, 7-an auxiliary derivation die, 71-a guide groove body, 8-a pipe rotating unit, 81-a rotary servo motor, 82-a bearing, 83-a pipe rotating unit gear set, 91-a material pushing connecting plate, 92-a material pushing motor and 93-a material pushing stop block.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
As the utility model discloses a high accuracy bending machine of a preferred embodiment, the utility model discloses a pay-off motor 44, return bend motor 53, the clamp motor 56 of bending machine push away material motor 92, rotatory servo motor 81, first lateral displacement accommodate motor 592, second lateral displacement accommodate motor 597 are servo motor. As shown in fig. 1 and fig. 2, the pipe bender of the present invention comprises a housing 1, a working table 2, a clamping unit, a feeding unit 4, a pipe bending unit 5 and a control panel 6, wherein the clamping unit 3 is fixed on the feeding unit 4, a pipe is fed into the pipe bending unit 5 by the feeding unit, the clamping unit of the present embodiment is a clamping pipe 3, an inner diameter of the clamping pipe 3 is larger than an outer diameter of the pipe, a pipe gap adjusting portion 31 is disposed on an inner sidewall of an end portion of the clamping pipe 3 close to the pipe bending unit 5, as shown in fig. 3, the pipe gap adjusting portion 31 includes a connecting portion 311 and a clamping portion 312, the connecting portion 311 and the clamping portion 312 are both hollow cylinders, the connecting portion 311 is located at an end far away from the pipe bending unit 5, the clamping portion 312 is located at an end close to the pipe bending unit 5, an inner diameter of the clamping portion 312 is smaller than an inner diameter of the connecting, from this joint portion 312 is divided into four parts, and the one end of connecting portion 311 that is connected with joint portion 312 is provided with four U-shaped grooves 3111 corresponding to joint portion 312's open slot 3121 department correspondingly, and from this, joint portion 312 can have certain radial adjustment space, when carrying out the return bend operation, can provide certain return bend buffering space through tubular product accent crack portion 31.
As shown in fig. 4 and 5, the tube bending unit 5 of the present embodiment includes a fixing frame 51, a wheel mold 52, a tube bending motor 53, a tube bending arm 54 and a clamping portion 55, the fixing frame 51 is connected to the feeding unit 4, the tube bending motor 53 is fixed on the fixing frame 51, the tube bending arm 54 and the wheel mold 52 are connected to the tube bending motor 53 and can rotate under the driving of the tube bending motor 53, a plurality of tube accommodating grooves 521 are sequentially arranged on the wheel mold 52 from top to bottom, a tube passes through the feeding unit 4 and enters the tube accommodating groove 521 of the wheel mold, the clamp 55 is provided on the elbow arm 54, the clamp 55 includes a clamp cylinder 551, a clamp connecting plate 552, and a clamp die 553, the clamp die 553 is fixed to the clamp connecting plate, the clamp die 553 is provided with a groove for passing the pipe correspondingly provided to the pipe receiving groove 521 of the wheel die 52, and the clamp cylinder 551 is used to push the clamp connecting plate 552 to move toward the wheel die 52. The pipe is pushed out from the material clamping pipe 3 and enters a groove body between the clamping die 553 and the wheel die 52, and the pipe bending arm 54 rotates under the action of the pipe bending motor 53 and bends the pipe.
As shown in fig. 5, the output shaft of the pipe bending motor 53 is perpendicular to the rotation axis of the wheel 52, and the pipe bending motor 53 is connected to the wheel 52 through a bevel gear set and drives the wheel 52 to rotate. The tube bending unit 5 of this embodiment further includes a clamping motor 56, a fixing seat 57, and a clamping portion threaded rod 58, the clamping motor 56 is fixed to the tube bending arm 54, the fixing seat 57 has an internal thread and is fixed to the clamping portion connecting plate 552, the clamping portion threaded rod 58 is connected to the fixing seat 57 in a matching manner and is perpendicular to the rotation axis of the wheel mold 52, one end of the clamping portion threaded rod 58 is connected to the clamping motor 56 and is driven by the clamping motor 56 to rotate, and further drives the clamping portion connecting plate 552 to move toward the direction close to the wheel mold 52, so that the tube can be better clamped and fixed to the wheel mold 52.
As shown in fig. 5 again, the tube bending unit 5 further includes a displacement adjusting mechanism, the displacement adjusting mechanism can move the tube bending unit up and down or left and right, the displacement adjusting mechanism includes a transverse displacement adjusting mechanism and a longitudinal displacement adjusting mechanism, the transverse displacement adjusting mechanism includes a transverse carriage 591, a first transverse displacement adjusting motor 592, a first transverse sliding rail 593, a first rack 594 and a first gear 595, the first rack 594 and the first gear 595 are parallel to the first transverse sliding rail 593, the transverse carriage 591 is perpendicular to the direction of conveying the tubes to the tube bending unit 5, two first transverse sliding rails 593 are parallel to the direction of outputting the tubes on the lower surface of the transverse carriage 591, the first rack 594 is parallel to the first transverse sliding rail 593, the first transverse displacement adjusting motor 592 is fixed on the fixing frame 51, the first gear 595 is coaxially connected with the first transverse displacement adjusting motor 592 and is meshed with the first rack 594, the upper surface of the fixing frame 51 is connected to the first transverse sliding rail 593 through a sliding block, so that the first gear 595 moves along the first rack 594 under the driving of the first transverse displacement adjusting motor 592, and the movement of the elbow unit 5 in the horizontal direction is further realized.
The lateral displacement adjusting mechanism of this embodiment further includes a lateral displacement adjusting fixing plate 596, a second lateral displacement adjusting motor 597, a horizontal transmission screw 598, a first connecting block (not shown in the figure) connected with the horizontal transmission screw 598 in a matching manner, and a lateral slide rail 599 arranged in the horizontal direction, the horizontal transmission screw 598 is arranged in parallel with the lateral slide rail 599, one end of the horizontal transmission screw 598 is connected with the second lateral displacement adjusting motor 597, the other end is fixed on the lateral displacement adjusting fixing plate 596 through a bearing, the fixing frame 51 is respectively connected with the first connecting block and a slide block clamped on the lateral slide rail 599, the horizontal transmission screw 598 can be driven by the second lateral displacement adjusting motor 597 to rotate, therefore, the first connecting block drives the fixing frame 51 to move along the horizontal direction under the rotation of the second lateral displacement adjusting motor 597, and further drives the pipe bending unit 5 to move along the horizontal direction.
As shown in fig. 6, the longitudinal displacement adjusting mechanism of this embodiment includes a longitudinal displacement adjusting fixing plate 5101, a longitudinal displacement adjusting motor (not shown in the figure), a longitudinal sliding rail 5102 perpendicular to the horizontal plane, a second rack 5103 perpendicular to the horizontal plane, and a second gear 5104 engaged with the second rack 5103, the lateral displacement adjusting fixing plate 596 is fixed on the second rack 5103 and connected to a slider clamped to the longitudinal sliding rail 5102, the longitudinal displacement adjusting motor is fixed on the longitudinal displacement adjusting fixing plate 5101, and the second gear 5104 is connected to an output shaft of the longitudinal displacement adjusting motor and engaged with the second rack 5103, so that the lateral displacement adjusting fixing plate 596 can vertically move along the longitudinal sliding rail 5102 under the driving of the longitudinal displacement adjusting motor, and further drives the elbow unit 5 to move in the direction perpendicular to the horizontal plane.
An auxiliary pushing guide die 7 is fixedly arranged on the upper surface of the transverse planker 591, semi-cylindrical guide groove bodies 71 are respectively arranged on the left side and the right side of the auxiliary pushing guide die 7, and the arrangement direction of the guide groove bodies 71 is consistent with the direction of the central axis of the pipe fed into the pipe bending unit 5 through the feeding unit 4. The tube passing through the feeding unit 4 can thus enter the elbow unit 5 through the guide groove body 71.
As shown in fig. 7, the utility model discloses a feeding unit 4 of bending machine includes feeding connecting plate 41, first slide rail 42, third rack 43, feeding motor 44 and third gear 45, feeding connecting plate 41 is through setting up in the slider and the first slide rail 42 joint of its bottom, first slide rail 42 and third rack 43 all are fixed in the upper surface of workstation 2 and set up along the pay-off direction of tubular product, feeding motor is fixed in on feeding connecting plate 41, feeding motor 44's output shaft and third gear 45 coaxial coupling, third gear 45 and third rack 43 intermeshing, it passes feeding unit 4 and fixes with feeding unit 4 to press from both sides material pipe 3, therefore it can move to feeding unit 5 under feeding motor 44's drive. The pipe bender of this embodiment further includes a pipe rotating unit 8, the pipe rotating unit 8 is fixed on the feeding connecting plate 41, the pipe rotating unit 8 includes a rotary servo motor 81, the bearing 82 and the pipe rotating unit gear train 83 are sleeved on the outer side wall of the material clamping pipe 3, the rotary servo motor 81 is connected with the material clamping unit through the pipe rotating unit gear train 83, the output shaft of the rotary servo motor 81 is coaxially connected with the input gear of the pipe rotating unit gear train 83, and the material clamping unit is connected with the output gear of the pipe rotating unit gear train 83 through the bearing 82. The bearing 82 is connected with the rotary servo motor 81 and driven by the rotary servo motor to rotate and further drive the material clamping pipe 3 to rotate. Therefore, different rotation angles can be adjusted according to requirements when the pipe bending is carried out so as to meet different pipe bending requirements.
As shown in fig. 2 again, the utility model discloses a bending machine is still including pushing away the material unit, it sets up in the one end of keeping away from return bend unit 5 of first slide rail 43 to push away the material unit, it includes pushes away material connecting plate 91 to push away the material unit, push away material motor 92, fourth gear and push away material dog 93, it is through setting up in the slider and the first slide rail 42 joint of its bottom to push away material connecting plate 91, it is fixed in on pushing away material connecting plate 91 to push away material motor 92, the output shaft and the fourth gear coaxial coupling that push away the material motor, fourth gear and third rack 43 intermeshing, it is fixed in the upper surface that pushes away the material dog 93, the position that corresponds to the tubular product axis that pushes away material dog 93. Therefore, under the action of the pushing motor 92, the pushing connecting plate 91 can move along the third rack 43 toward the pipe bending unit 5, so as to push the pipe toward the pipe bending unit 5.
The utility model discloses a high accuracy bending machine's working process does: the pipe bender is started, the feeding motor 44 of the feeding unit 4 and the pushing motor 92 of the pushing unit start to operate and move to the pipe bending unit 5 along the third rack 43 under the driving of the third gear 45 and the fourth gear respectively, at this time, the transverse displacement adjusting mechanism and the longitudinal displacement adjusting mechanism drive the pipe bending unit 5 to move in the horizontal direction and the vertical direction, then the pipe enters the pipe accommodating groove 521 of the wheel mold 52 after passing through the guide groove 71 on the auxiliary pushing guide mold 7, then, the clamping cylinder 551 pushes the clamping part connecting plate 552 to move towards the wheel mold 52, the clamping motor 56 rotates and drives the pipe bending unit 5 to move towards the wheel mold 52, therefore, the wheel mold 52 and the clamping mold 553 are matched with each other and form a groove body for fixing the pipe between the wheel mold 52 and the clamping mold 553, the pipe bending motor 53 drives the pipe bending arm 54 to rotate, and the clamping mold 553 rotates around the wheel mold 52, the rotation angle can be controlled by the pipe bending motor 53, so that the pipe can be bent.
The utility model discloses a high accuracy bending machine has following beneficial effect:
① the utility model discloses a bending machine compact structure uses the flexibility ratio height, can be applicable to the processing to multiple return bend, especially can carry out the removal of level and vertical direction to the return bend unit, has both reduced the area of bending machine and also brought very big facility, easily adjustment for the return bend operation.
② the utility model discloses a high accuracy bending machine adopts servo motor transmission control system, and its machining precision and transmission stability are high, the utility model discloses a bending machine can satisfy the trade demand that space flight, medical treatment, chemical industry etc. have higher precision processing requirement.
③ the utility model discloses a bending machine long service life can not appear lubricating oil along with the extension of live time and reveal the scheduling phenomenon, has greatly improved the pipe bending environment.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims (10)

1. A high-precision pipe bender comprises a workbench, a clamping unit, a feeding unit and a pipe bending unit, and is characterized in that the clamping unit is fixed on the feeding unit, a pipe is fed into the pipe bending unit through the feeding unit, the clamping unit is tubular, the inner diameter of the clamping unit is larger than the outer diameter of the pipe,
the return bend unit includes mount, round mould, return bend motor, return bend arm and clamping part, the mount with the pay-off unit is connected, the return bend motor is fixed in on the mount, the return bend arm with the round mould with the return bend motor is connected and can the drive of return bend motor is rotatory down, be provided with at least one tubular product holding tank on the round mould, tubular product get into behind the pay-off unit in the tubular product holding tank of round mould still be provided with clamping part on the return bend arm, clamping part includes die clamping cylinder, clamping part connecting plate and presss from both sides the mould, it is fixed in to press from both sides the mould on the clamping part connecting plate, press from both sides the mould be provided with the corresponding cell body that is used for tubular product to pass through that sets up of the tubular product holding tank of round mould, die clamping cylinder is used for promoting the clamping part connecting plate to round.
2. The high-precision pipe bender according to claim 1, wherein the pipe bending unit further includes a clamping motor, a fixing base and a clamping portion threaded rod, the clamping motor is fixed on the pipe bending arm, the fixing base is internally threaded and fixed on the clamping portion connecting plate, the clamping portion threaded rod is connected with the fixing base in a matching manner and is perpendicular to the rotation axis of the wheel die, and one end of the clamping portion threaded rod is connected with the clamping motor.
3. The high-precision pipe bender according to claim 2, wherein said pipe bending unit further comprises a displacement adjusting mechanism, said displacement adjusting mechanism can move said pipe bending unit up and down or left and right.
4. The high-precision pipe bender according to claim 3, wherein said displacement adjustment mechanism includes a lateral displacement adjustment mechanism and a longitudinal displacement adjustment mechanism, said lateral displacement adjustment mechanism includes a lateral carriage, a first lateral displacement adjustment motor, a first lateral slide rail, a first rack and a first gear, said first rack and said first gear are disposed in parallel with said first lateral slide rail, said lateral carriage is disposed perpendicular to the direction of conveying the pipe material to said pipe bending unit, said first lateral slide rail is disposed with two parallel arrangements along the direction perpendicular to the pipe material output direction on the lower surface of said lateral carriage, said first rack is disposed in parallel with said first lateral slide rail, said first lateral displacement adjustment motor is fixed on said fixed frame, said first gear is coaxially connected with said first lateral displacement adjustment motor and is engaged with said first rack, the fixed frame is clamped on the first transverse slide rail through a slide block,
the transverse displacement adjusting mechanism also comprises a transverse displacement adjusting fixing plate, a second transverse displacement adjusting motor, a horizontal transmission screw rod, a first connecting block connected with the horizontal transmission screw rod in a matching way and a transverse slide rail arranged in the horizontal direction, the horizontal transmission screw rod is arranged in parallel with the transverse slide rail, one end of the horizontal transmission screw rod is connected with the second transverse displacement adjusting motor, the other end of the horizontal transmission screw rod is fixed on the transverse displacement adjusting fixing plate through a bearing, the fixing frame is respectively connected with the first connecting block and a slide block clamped with the transverse slide rail,
the longitudinal displacement adjusting mechanism comprises a longitudinal displacement adjusting fixing plate, a longitudinal displacement adjusting motor, a longitudinal sliding rail, a second rack and a second gear, the longitudinal sliding rail is arranged in a direction perpendicular to the horizontal plane, the second rack is arranged in a direction perpendicular to the horizontal plane, the second gear is meshed with the second rack, the transverse displacement adjusting fixing plate is fixed on the second rack and connected with a sliding block of the longitudinal sliding rail in a clamping mode, the longitudinal displacement adjusting motor is fixed on the longitudinal displacement adjusting fixing plate, and the second gear is connected with an output shaft of the longitudinal displacement adjusting motor and meshed with the second rack.
5. The high-precision pipe bender according to claim 4, wherein an auxiliary direction-guiding die is fixedly arranged on the upper surface of the transverse carriage, semi-cylindrical guide groove bodies are respectively arranged on the left side and the right side of the auxiliary direction-guiding die, and the arrangement direction of the guide groove bodies is consistent with the direction of the central axis of the pipe fed into the pipe bending unit through the feeding unit.
6. The high-precision pipe bending machine according to claim 5, wherein the feeding unit includes a feeding connecting plate, a first slide rail, a third rack, a feeding motor and a third gear, the feeding connecting plate is clamped with the first slide rail through a slide block arranged at the bottom of the feeding connecting plate, the first slide rail and the third rack are both fixed on the upper surface of the workbench and arranged along the feeding direction of the pipe, the feeding motor is fixed on the feeding connecting plate, an output shaft of the feeding motor is coaxially connected with the third gear, and the third gear is meshed with the third rack.
7. The high-precision pipe bender according to claim 6, further comprising a pipe rotating unit, wherein the pipe rotating unit comprises a rotating servo motor and a bearing sleeved on an outer side wall of the clamping unit, and the bearing is connected with the rotating servo motor and driven by the rotating servo motor to rotate.
8. The high-precision pipe bender according to claim 7, wherein said rotary servo motor is fixed on said feeding connection plate, said rotary servo motor is connected with said clamping unit through a pipe rotation unit gear set, an output shaft of said rotary servo motor is coaxially connected with an input gear of said pipe rotation unit gear set, and said clamping unit is connected with an output gear of said pipe rotation unit gear set through a bearing.
9. The high-precision pipe bending machine according to claim 6, further comprising a pushing unit, wherein the pushing unit can push the pipe towards the pipe bending unit, the pushing unit comprises a pushing connecting plate, a pushing motor, a third gear and a pushing stopper, the pushing connecting plate is connected with the first slide rail in a clamping manner through a slider arranged at the bottom of the pushing connecting plate, the pushing motor is fixed on the pushing connecting plate, an output shaft of the pushing motor is coaxially connected with the third gear, the third gear is meshed with the second rack, the pushing stopper is fixed on the upper surface of the pushing connecting plate, and a guide shaft which can stretch into the pipe is arranged at a position of the pushing stopper corresponding to a central axis of the pipe.
10. The high-precision pipe bending machine according to claim 1, wherein a pipe gap adjusting portion is disposed inside the clamping unit, the pipe gap adjusting portion includes a connecting portion and a clamping portion, the connecting portion is located at an end far away from the pipe bending unit, the clamping portion is located at an end close to the pipe bending unit, an inner diameter of the clamping portion is smaller than an inner diameter of the connecting portion, the clamping portion is provided with at least one open slot along an axial direction of the clamping portion, and a U-shaped slot is correspondingly disposed at an end of the connecting portion, which is connected to the clamping portion, corresponding to the open slot of the clamping portion.
CN201920797861.5U 2019-05-30 2019-05-30 High-precision pipe bender Expired - Fee Related CN210305194U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920797861.5U CN210305194U (en) 2019-05-30 2019-05-30 High-precision pipe bender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920797861.5U CN210305194U (en) 2019-05-30 2019-05-30 High-precision pipe bender

Publications (1)

Publication Number Publication Date
CN210305194U true CN210305194U (en) 2020-04-14

Family

ID=70141083

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920797861.5U Expired - Fee Related CN210305194U (en) 2019-05-30 2019-05-30 High-precision pipe bender

Country Status (1)

Country Link
CN (1) CN210305194U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113680865A (en) * 2021-08-27 2021-11-23 上海发那科机器人有限公司 Robot pipe bending machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113680865A (en) * 2021-08-27 2021-11-23 上海发那科机器人有限公司 Robot pipe bending machine

Similar Documents

Publication Publication Date Title
CN201291275Y (en) Box shell bending device
CN101780498B (en) Multifunctional pipe bending machine
CN103846481A (en) Combined processing production line for rack steel billet
CN210907528U (en) Car pipe fitting processing is with equipment of bending fast
CN207873238U (en) A kind of steel plate conveying stock-cutter
CN210305194U (en) High-precision pipe bender
CN110180926A (en) High-precision bending machine
CN206731868U (en) A kind of automatic bending machine of adjustable-angle and bending distance
CN201823981U (en) Flat double-end milling machine for roller carrier shaft groove
CN209969269U (en) Automatic pipe bending device
CN215509776U (en) Welding device suitable for auto-parts
CN108637514A (en) A kind of conllinear flexible welding device of multi-vehicle-type white body
CN111496030A (en) Angle-adjustable clamp of pipe bending machine for pipeline machining
CN212168638U (en) Hydraulic pipeline swan neck system
CN114918829A (en) Double-layer servo tailstock structure of numerical control cylindrical grinding machine
CN203778818U (en) Combined machining production line for rack steel billet
CN113894194A (en) Pipeline shaping all-in-one
CN204182714U (en) Tubing mechanized production system
CN208437616U (en) A kind of forging roll
CN221539268U (en) Mould processing cambered surface grinding device
CN105710486A (en) Steel pipe cutting mechanism
CN116765305B (en) Conveying device for gear forging
CN219025529U (en) Multi-axis linkage high-speed numerical control pipe bending system
CN114378182B (en) Novel aluminum product surface machining equipment
CN214559138U (en) Quick adjustable clamping device is used in spare part processing

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200414

Termination date: 20210530