Automatic straightening device for spiral straight tube shaft parts and method of use thereof

Abstract

The application discloses a kind of spiral straight tube shaft piece automatic straightening device and its using method, including base, the first linear drive component is arranged in the base outer wall, and the first linear drive component is used to drive linearly moves linearly down pressure component;The upper surface of the base is provided with shaft head drive component and first shaft head limiting component;The application realizes the function of automatically supporting the two ends of spiral straight tube shaft piece, and the discharge and material taking of spiral straight tube shaft piece are more convenient, also realizes the function of automatically bending detection to the outer side wall of spiral straight tube shaft piece, and the detection range can cover the entire outer side wall of spiral straight tube shaft piece, also realizes the function of automatically straightening to the bending part of spiral straight tube shaft piece, and the entire straightening process does not need manual assistance, improves the detection speed and efficiency of spiral straight tube shaft piece, guarantees the product quality of finished product spiral straight tube shaft piece, is suitable for being widely promoted and used.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of spiral straight pipe shaft machining, in particular to a spiral straight pipe shaft automatic straightening device and a use method thereof. BACKGROUND

[0002] The spiral straight pipe shaft is a mechanical part, which is usually used to connect two or more rotating parts so that they can rotate relative to each other. The spiral straight pipe shaft is usually made of steel and has high strength and durability.

[0003] At present, the spiral straight pipe shaft needs to ensure that the bending degree of the shaft meets the standard during use. The existing spiral straight pipe shaft generally adopts semi-automatic detection and manual straightening during bending straightening, which results in extremely low straightening speed and efficiency of the spiral straight pipe shaft, and the product quality of the finished spiral straight pipe shaft cannot be guaranteed, and the labor cost is also high. Therefore, it is necessary to design a spiral straight pipe shaft automatic straightening device and a use method thereof. SUMMARY

[0004] The main purpose of the present application is to solve the problem that the existing spiral straight pipe shaft generally adopts semi-automatic detection and manual straightening during bending straightening, which results in extremely low straightening speed and efficiency of the spiral straight pipe shaft, and the product quality of the finished spiral straight pipe shaft cannot be guaranteed, and the labor cost is also high. The present application provides a spiral straight pipe shaft automatic straightening device and a use method thereof, which realizes the function of automatically limiting and supporting the two ends of the spiral straight pipe shaft, and the feeding and taking of the spiral straight pipe shaft are more convenient. The present application also realizes the function of automatically bending and detecting the outer side wall of the spiral straight pipe shaft, and the detection range can cover the entire outer side wall of the spiral straight pipe shaft. The present application also realizes the function of automatically straightening the bent part of the spiral straight pipe shaft, and the entire straightening process does not require manual assistance, which improves the detection speed and efficiency of the spiral straight pipe shaft and guarantees the product quality of the finished spiral straight pipe shaft.

[0005] To achieve the above purpose, the technical solution adopted by the present application is as follows:

[0006] A spiral straight pipe shaft automatic straightening device and a use method thereof, comprising a base, a first linear drive assembly is arranged on the outer side wall of the base, and the first linear drive assembly is used to drive the linear downward pressing assembly to move linearly;

[0007] A shaft head drive assembly and a first shaft head limiting assembly are arranged on the upper surface of the base, and the first shaft head limiting assembly is located on one side of the shaft head drive assembly. The first shaft head limiting assembly is used to limit the driving end of the spiral straight pipe shaft outside the driving member on the inner side wall of the shaft head drive assembly, and the shaft head drive assembly is used to drive the spiral straight pipe shaft to rotate vertically.

[0008] The upper surface of the base is provided with a second linear drive assembly, and the second linear drive assembly is used to drive the shaft head driven assembly to move linearly, and the outer wall of the shaft head driven assembly is detachably connected with a second shaft head limiting assembly, wherein the second shaft head limiting assembly is used to limit the driven end of the spiral straight pipe shaft to the outer wall of the follower inside the shaft head driven assembly, and the shaft head driven assembly is used to cooperate with the shaft head drive assembly to complete the vertical rotation of the spiral straight pipe shaft;

[0009] The upper surface of the base is provided with a third linear drive assembly, and the third linear drive assembly is used to drive the bottom support assembly to move linearly, wherein the bottom support assembly is used to cooperate with the linear pressing assembly to complete the straightening work of the bending part of the spiral straight pipe shaft;

[0010] The upper surface of the base is provided with a fourth linear drive assembly, and the fourth linear drive assembly is used to drive the bending detection assembly to move linearly, wherein the bending detection assembly is used to detect whether there is a bending part on the outer wall of the spiral straight pipe shaft.

[0011] The foregoing spiral straight pipe shaft automatic straightening device, the first linear drive assembly comprises a first servo motor, the first servo motor is arranged on the outer wall of the base, and the output shaft of the first servo motor is provided with a driving gear, and the outer wall of the base is further provided with a driven gear, wherein the driving gear and the driven gear are connected by a conveyor belt, and the outer wall of the base is provided with a first sliding rail;

[0012] The linear pressing assembly comprises a support frame, the support frame is detachably connected to the outer wall of the conveyor belt, and the inner wall of the support frame is slidably connected to the outer wall of the first sliding rail, the upper surface of the support frame is provided with a first hydraulic cylinder, one end of a first hydraulic rod is slidably connected to the inner wall of the first hydraulic cylinder, and the other end of the first hydraulic rod is fixedly connected with a pressing plate, wherein the outer wall of the bottom surface of the pressing plate is detachably connected with a pressing head, and the outer wall of the bottom surface of the pressing head is provided with a pressing groove;

[0013] The linear pressing assembly further comprises a first limiting rod, the lower end of the first limiting rod is arranged on the upper surface of the pressing plate, and the outer wall of the first limiting rod is slidably connected to the inner wall of the support frame.

[0014] The foregoing spiral straight pipe shaft automatic straightening device, the shaft head drive assembly comprises a first support column, the first support column is arranged on the upper surface of the base, the outer wall of one side of the first support column is provided with a side groove, and the outer wall of the other side of the first support column is detachably connected with a first vertical plate, wherein one end of a spring rod is arranged on the inner wall of the bottom surface of the side groove, and the other end of the spring rod is fixedly connected with a first side plate, one end of a sliding rod is fixedly connected to the outer wall of the bottom surface of the first side plate, and the other end of the sliding rod is slidably connected to the inner wall of the bottom surface of the side groove;

[0015] The first vertical plate upper surface is provided with a shaft head groove, and the first side plate outer side wall is provided with a driving motor, wherein the output shaft of the driving motor is provided with a driving wheel, and the first side plate outer side wall is rotatably connected with a driven wheel;

[0016] The first shaft head limiting assembly comprises a second support column, the second support column is arranged on the upper surface of the base, the outer side wall of the second support column is detachably connected with a gas cylinder, and the inner side wall of the gas cylinder is provided with a pneumatic rod, wherein one end of the pneumatic rod is rotatably connected with one end of a rotating rod, and the other end of the rotating rod is rotatably connected with a limiting wheel, the upper surface of the second support column is provided with a fulcrum shaft, and the inner side wall of the rotating rod is rotatably connected with the outer side wall of the fulcrum shaft.

[0017] The second linear drive assembly comprises a second servo motor, the second servo motor is arranged on the upper surface of the base, one end of a first lead screw is arranged on the output shaft of the second servo motor, and the other end of the first lead screw is rotatably connected to the inner side wall of a first groove, the first groove is arranged on the upper surface of a first bottom plate, wherein the inner wall of the bottom surface of the first groove is provided with a second sliding rail, and the outer side wall of the first lead screw is provided with a first ball nut.

[0018] The shaft head driven assembly comprises a third support column, the third support column is detachably connected to the outer side wall of the first ball nut, and the upper surface of the third support column is provided with a second side plate and a second vertical plate, wherein the inner side wall of the third support column is slidably connected to the outer side wall of the second sliding rail;

[0019] The second shaft head limiting assembly comprises a sliding block, the inner side wall of the sliding block is slidably connected to the outer side wall of the second sliding rail, and the upper surface of the sliding block is provided with a fourth support column;

[0020] The shaft head driven assembly further comprises a first connecting plate, the outer side wall of the first connecting plate is detachably connected to the outer side wall of the third support column, and the outer side wall of the first connecting plate is further detachably connected to the outer side wall of the sliding block.

[0021] The third linear drive assembly comprises a third servo motor, the third servo motor is arranged on the upper surface of the base, one end of a second lead screw is arranged on the output shaft of the third servo motor, and the other end of the second lead screw is rotatably connected to the inner side wall of a second groove, wherein the second groove is arranged on the upper surface of a second bottom plate, and the upper surface of the second bottom plate is provided with a third sliding rail, and the outer side wall of the second lead screw is provided with a second ball nut;

[0022] The bottom support assembly comprises a driving sliding plate and a fourth sliding rail, the inner wall of the driving sliding plate is slidably connected with the outer wall of the third sliding rail, and the fourth sliding rail is arranged on the upper surface of the base, wherein the outer wall of the fourth sliding rail is slidably connected with a driven sliding plate, the upper surface of the driving sliding plate and the driven sliding plate is detachably connected with a horizontal plate, the outer wall of the bottom surface of the horizontal plate is provided with a second hydraulic cylinder, and the inner wall of the second hydraulic cylinder is provided with a second hydraulic rod, wherein the upper end of the second hydraulic rod is detachably connected with a bottom support plate, the upper surface of the bottom support plate is provided with a bottom support groove, and the outer wall of the bottom surface of the bottom support plate is detachably connected with a second limiting rod, and the outer wall of the second limiting rod is slidably connected with the upper surface of the horizontal plate.

[0023] The number of the bottom support assembly is two, and the two bottom support assemblies are symmetrically distributed on the upper surface of the base.

[0024] The fourth linear drive assembly comprises a third hydraulic cylinder, the third hydraulic cylinder is arranged on the upper surface of the base, one end of a third hydraulic rod is arranged on the inner wall of the third hydraulic cylinder, and the other end of the third hydraulic rod is provided with a sliding seat, the upper surface of the base is provided with a guide rod, and the outer wall of the guide rod is slidably connected with the inner wall of the sliding seat.

[0025] The number of the sliding seat is multiple, and the multiple sliding seats are detachably connected by a second connecting plate.

[0026] The bending detection assembly comprises a fourth hydraulic cylinder, the fourth hydraulic cylinder is arranged on the upper surface of the sliding seat, one end of a fourth hydraulic rod is arranged on the inner wall of the fourth hydraulic cylinder, and the other end of the fourth hydraulic rod is provided with a top plate, the inner wall of the top plate is provided with a rotating shaft, and the outer wall of the rotating shaft is rotatably connected with a rotating plate, wherein one end of an elastic measuring rod is rotatably connected with the inner wall of the bottom surface of the rotating plate, and the other end of the elastic measuring rod is rotatably connected with the outer wall of the bottom surface of the rotating plate, and the outer wall of the rotating plate is provided with a detection column.

[0027] The number of the first linear drive assembly is two, and the two first linear drive assemblies are symmetrically distributed on the outer wall of the base.

[0028] The structure of the outer surface of the second side plate is the same as that of the outer surface of the first side plate, the structure of the outer surface of the second vertical plate is the same as that of the outer surface of the first vertical plate, and the structure of the outer surface of the fourth supporting column is the same as that of the outer surface of the second supporting column.

[0029] Preferably, the method comprises the following steps:

[0030] Step (A), adjust the distance between the shaft head driving assembly and the shaft head driven assembly as needed, drive the first lead screw to rotate along the inner wall of the first groove by the second servo motor, so that the third support column and the sliding block can be driven to linearly slide along the second sliding rail to approach or move away from the first support column under the action of the first ball nut, thereby adapting the distance between the third support column and the first support column to the straight pipe shaft to be straightened;

[0031] Step (B), limit the spiral straight pipe shaft, move the two shaft heads of the spiral straight pipe shaft to be straightened to the middle position between the shaft head driving assembly and the shaft head driven assembly and preliminarily engage, then drive the pneumatic rod to extend and slide by the operation of the cylinder, so that the rotating rod can be driven to rotate along the fulcrum shaft, thereby the limiting wheel can cooperate with the shaft head driving assembly to limit one end of the spiral straight pipe shaft to be straightened, and similarly the other end of the spiral straight pipe shaft to be straightened can be limited under the action of the second shaft head limiting assembly and the shaft head driven assembly.

[0032] Step (C), select the number of bending detection assemblies as needed, select the number of sliding seats to select the number of bending detection assemblies, and then detachably connect multiple sliding seats through the second connecting plate.

[0033] Step (D), detect whether the spiral straight pipe shaft has a bending part, the specific steps are as follows,

[0034] Step (D1), circular driving, drive the output shaft to rotate by the operation of the driving motor, so that the driving wheel can be driven to rotate, and then under the cooperative rotating action of the driven wheel and the limiting wheel, the spiral straight pipe shaft can be circularly rotated.

[0035] Step (D2), local spiral straight pipe shaft bending detection, drive the fourth hydraulic rod to operate by the operation of the fourth hydraulic cylinder, so that the top plate can be extended and retracted and the detection column can be attached to the outer side wall of the spiral straight pipe shaft, if the outer side wall of the spiral straight pipe shaft has a bending part, the rotating plate can be rotated downward along the rotating shaft, thereby the elastic measuring rod can be lengthened, and then the measuring data can be output to the external control system through the elastic measuring rod.

[0036] Step (D3), complete the detection of the entire spiral straight pipe shaft, drive the third hydraulic rod to extend and slide by the operation of the third hydraulic cylinder, so that the sliding seat can be driven to linearly slide along the guide rod, thereby the bending detection assembly can be driven to complete the coverage detection of the outer side wall of the entire spiral straight pipe shaft.

[0037] Step (E), straighten the spiral straight pipe shaft, the specific steps are as follows,

[0038] Step (E1), linear bottom support, the specific steps are as follows,

[0039] Step (E11), linear drive, the third servo motor drives the second lead screw to rotate along the inner wall of the second groove, so that under the action of the second ball nut, the active slide can slide linearly along the third slide rail, and then drive the driven slide to slide linearly along the fourth slide rail, thus driving the cross plate to move linearly;

[0040] Step (E12): The bottom support fits in place. The second hydraulic cylinder drives the second hydraulic rod to extend and slide, thereby limiting the movement of the second limit rod and causing the bottom support plate to move linearly upward, so that the inner wall of the bottom surface of the bottom support groove fits in place with the outer wall of the spiral straight tube shaft.

[0041] Step (E2), linear compression, the specific steps are as follows:

[0042] In step (E21), the first servo motor drives the drive gear to rotate, which in turn drives the conveyor belt to rotate circumferentially under the action of the driven gear, thereby driving the support frame to slide linearly along the first slide rail.

[0043] Step (E22): The first hydraulic cylinder drives the first hydraulic rod to extend and slide, and the first limit rod can move the pressure plate linearly up and down under the sliding action, which in turn can move the pressure head linearly down. This allows the pressure groove to cooperate with the bottom support groove to complete the bending and straightening operation of the spiral straight tube shaft.

[0044] Step (E23) involves pressing down to protect the drive wheel and driven wheel. The specific steps are as follows:

[0045] Step (E231), passive protection under pressure: when the spiral straight tube shaft is under pressure, the first side plate and the second side plate are also under pressure. At this time, the first side plate can press down the spring rod and, with the cooperation of the slide rod, make the first side plate move linearly downward. Similarly, the second side plate also moves linearly downward. In this way, the bearing capacity at both ends of the spiral straight tube shaft is borne by the shaft head groove.

[0046] Step (E232), unpressurized reset: when the spiral straight tube shaft is not pressurized, the first and second side plates can move linearly upwards to reset under the action of the spring bar.

[0047] Compared with the prior art, the present invention has the following beneficial effects:

[0048] 1、First, adjust the distance between the shaft head drive assembly and the shaft head driven assembly as needed, the second servo motor runs to drive the first lead screw to rotate along the first groove inside wall, so that under the action of the first ball nut can drive the third support column and the slider to linearly slide close to or away from the first support column, and then make the distance between the third support column and the first support column suitable for the straightening spiral straight pipe shaft, then move the two shaft heads of the spiral straight pipe shaft to be straightened to be placed in the middle position of the shaft head drive assembly and the shaft head driven assembly and preliminary clamping, and then through the cylinder operation to drive the pneumatic rod to extend and slide so as to drive the rotating rod to rotate along the fulcrum shaft, and then the limiting wheel can cooperate with the shaft head drive assembly to limit one end of the spiral straight pipe shaft to be straightened, and the other end of the spiral straight pipe shaft to be straightened can be limited under the action of the second shaft head limiting assembly and the shaft head driven assembly, effectively realizing the function of the device to automatically limit and support the two ends of the spiral straight pipe shaft, and the feeding and taking of the spiral straight pipe shaft is more convenient, improving the straightening speed of the spiral straight pipe shaft, and under the action of the second linear limiting assembly, the device is suitable for spiral straight pipe shafts of different lengths, realizing the wide range of application of the device to spiral straight pipe shafts.

[0049] 2、First, select the number of slides as needed to select the number of bending detection assemblies, and then detachably connect the plurality of slides through the second connecting plate, then detect whether the spiral straight pipe shaft has a bending part, and then drive the output shaft to rotate through the driving motor to drive the driving wheel to rotate, and then under the cooperative rotating action of the driven wheel and the limiting wheel, the spiral straight pipe shaft can rotate circumferentially, and then the fourth hydraulic cylinder drives the fourth hydraulic rod to drive the top plate to extend and make the detection column adhere to the outer side wall of the spiral straight pipe shaft, if the outer side wall of the spiral straight pipe shaft has a bending part, the rotating plate will rotate downward along the rotating shaft, and then the elastic measuring rod will be lengthened, and then the measurement data can be output to the external control system through the elastic measuring rod, and then the third hydraulic cylinder drives the third hydraulic rod to extend and slide to drive the slide to linearly slide along the guide rod, and then drive the bending detection assembly to complete the coverage detection of the entire outer side wall of the spiral straight pipe shaft, effectively realizing the function of the device to automatically detect the bending of the outer side wall of the spiral straight pipe shaft, and the detection range can cover the entire outer side wall of the spiral straight pipe shaft, ensuring the product quality of the finished spiral straight pipe shaft, and the number of bending detection assemblies can also be selected according to the length of the spiral straight pipe shaft, improving the bending detection speed.

[0050] 3、First by the third servo motor operation drive second screw rod rotates along the second groove inside wall under the action of the second ball nut can drive the driven slide plate along the fourth slide linear sliding, so as to drive the horizontal plate linearly moves, then through the second hydraulic cylinder operation drive second hydraulic rod telescopic sliding under the limit of the second limit rod can drive the bottom support plate linearly upward, in turn can make the bottom support groove bottom wall fit spiral straight pipe shaft piece outside wall, then by the first servo motor operation drive driving gear rotation under the cooperation of the driven gear can drive the conveyor belt rotation, in turn can drive the support frame along the first slide linear sliding, again through the first hydraulic cylinder operation drive first hydraulic rod telescopic sliding under the cooperation of the first limit rod can drive the pressure plate linearly up and down, in turn can drive the pressure head linearly downward, so that the pressure groove can complete the bottom support groove to the spiral straight pipe shaft bending straightening work, then when the spiral straight pipe shaft is pressed, the first side plate and the second side plate are also pressed, at this time the first side plate can press the spring rod and under the cooperation of the slide rod makes the first side plate can linearly downward, similarly the second side plate also linearly downward, so that the bearing capacity of the spiral straight pipe shaft at both ends is borne by the shaft head groove, when the spiral straight pipe shaft is not pressed, at this time under the action of the spring rod the first side plate and the second side plate can linearly upward reset, effectively realize the device has the function of automatic straightening of the spiral straight pipe shaft bending part, and the whole straightening process does not need manual assistance, improves the straightening efficiency, reduces the labor cost, meets the standard of modern full automatic processing production. BRIEF DESCRIPTION OF DRAWINGS

[0051] Figure 1 It is the overall structure schematic diagram of the present application;

[0052] Figure 2 It is the first linear drive assembly structure schematic diagram of the present application;

[0053] Figure 3 It is the Figure 2 Amplification structure schematic diagram in the present application;

[0054] Figure 4 It is the Figure 2 Amplification structure schematic diagram in the present application;

[0055] Figure 5 It is the Figure 2 Amplification structure schematic diagram in the present application;

[0056] Figure 6 It is the third linear drive assembly structure schematic diagram of the present application;

[0057] Figure 7 It is the Figure 6 Amplification structure schematic diagram in the present application;

[0058] Figure 8 Structure diagram of fourth linear drive assembly of the present application;

[0059] Figure 9 Structure diagram of bending detection assembly of the present application;

[0060] Figure 10 Structure diagram of fourth linear drive assembly of the present application; Figure 9 Enlarged structure diagram of the present application.

[0061] In the figure: 1, base; 2, first linear drive assembly; 201, first servo motor; 202, driving gear; 203, driven gear; 204, conveying belt; 205, first sliding rail; 3, linear pressing assembly; 301, support frame; 302, first hydraulic cylinder; 303, first hydraulic rod; 304, pressing plate; 305, first limiting rod; 306, pressing head; 307, pressing groove; 4, shaft head driving assembly; 401, first support column; 402, side groove; 403, sliding rod; 404, first side plate; 405, spring rod; 406, first vertical plate; 407, shaft head groove; 408, driving motor; 409, driving wheel; 4010, driven wheel; 5, first shaft head limiting assembly; 501, second support column; 502, air cylinder; 503, pneumatic rod; 504, rotating rod; 505, fulcrum shaft; 506, limiting wheel; 6, second linear drive assembly; 601, second servo motor; 602, first lead screw; 603, first bottom plate; 604, first recess; 605, second sliding rail; 606, first ball nut; 7, shaft head driven assembly; 701, third support column; 702, first connecting plate; 703, second side plate; 704, second vertical plate; 8, second shaft head limiting assembly; 801, sliding block; 802, fourth support column; 9, third linear drive assembly; 901, third servo motor; 902, second lead screw; 903, second bottom plate; 904, second recess; 905, third sliding rail; 906, second ball nut; 10, bottom support assembly; 1001, driving sliding plate; 1002, horizontal plate; 1003, second hydraulic cylinder; 1004, second hydraulic rod; 1005, bottom support plate; 1006, second limiting rod; 1007, bottom support groove; 1008, driven sliding plate; 1009, fourth sliding rail; 11, fourth linear drive assembly; 1101, third hydraulic cylinder; 1102, third hydraulic rod; 1103, guide rod; 1104, sliding seat; 1105, second connecting plate; 12, bending detection assembly; 1201, fourth hydraulic cylinder; 1202, fourth hydraulic rod; 1203, top plate; 1204, rotating shaft; 1205, rotating plate; 1206, detection column; 1207, elastic measuring rod. DETAILED DESCRIPTION

[0062] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in conjunction with specific embodiments.

[0063] As Figure 1 shown, a spiral straight pipe shaft automatic straightening device and its using method, including base 1, the outer side wall of base 1 is provided with first linear drive assembly 2, and the first linear drive assembly 2 is used to drive linearly moving linearly downward pressure assembly 3;The upper surface of base 1 is provided with shaft head drive assembly 4 and first shaft head limiting assembly 5, and the first shaft head limiting assembly 5 is located on one side of shaft head drive assembly 4, wherein the first shaft head limiting assembly 5 is used to limit the driving end of the spiral straight pipe shaft in the outer side wall of the driving member inside the shaft head drive assembly 4, and the shaft head drive assembly 4 is used to drive the vertical rotation of the spiral straight pipe shaft;The upper surface of base 1 is provided with second linear drive assembly 6, and the second linear drive assembly 6 is used to drive the linear movement of shaft head driven assembly 7, and the outer side wall of shaft head driven assembly 7 is detachably connected with second shaft head limiting assembly 8, wherein the second shaft head limiting assembly 8 is used to limit the driven end of the spiral straight pipe shaft in the outer side wall of the driven member inside the shaft head driven assembly 7, and the shaft head driven assembly 7 is used to complete the vertical rotation of the spiral straight pipe shaft with the shaft head drive assembly 4;The upper surface of base 1 is provided with third linear drive assembly 9, and the third linear drive assembly 9 is used to drive the linear movement of bottom support assembly 10, wherein the bottom support assembly 10 is used to complete the straightening work of the bending part of the spiral straight pipe shaft with linearly downward pressure assembly 3;The upper surface of base 1 is provided with fourth linear drive assembly 11, and the fourth linear drive assembly 11 is used to drive the linear movement of bending detection assembly 12, wherein the bending detection assembly 12 is used to detect whether there is a bending part on the outer side wall of the spiral straight pipe shaft, the first hydraulic cylinder 302 is driven to run the first hydraulic rod 303 to slide, so that the first limiting rod 305 can drive the pressure plate 304 to move linearly up and down under the cooperation of sliding action, and then the pressure head 306 can move linearly downward, so that the pressure groove 307 can cooperate with the bottom support groove 1007 to complete the bending straightening work of the spiral straight pipe shaft.

[0064] As Figure 2 and Figure 3As shown, the first linear drive assembly 2 comprises a first servo motor 201, the first servo motor 201 is arranged on the outer side wall of the base 1, and the output shaft of the first servo motor 201 is provided with a driving gear 202, and the outer side wall of the base 1 is further provided with a driven gear 203, wherein the driving gear 202 and the driven gear 203 are connected by a conveying belt 204, and the outer side wall of the base 1 is provided with a first sliding rail 205; the linear pressing assembly 3 comprises a support frame 301, the support frame 301 is detachably connected to the outer side wall of the conveying belt 204, and the inner side wall of the support frame 301 is slidably connected to the outer side wall of the first sliding rail 205, the upper surface of the support frame 301 is provided with a first hydraulic cylinder 302, one end of a first hydraulic rod 303 is slidably connected to the inner side wall of the first hydraulic cylinder 302, and the other end of the first hydraulic rod 303 is fixedly connected with a pressing plate 304, wherein the outer wall of the bottom surface of the pressing plate 304 is detachably connected with a pressing head 306, and the bottom surface of the pressing head 306 is provided with a pressing groove 307; the linear pressing assembly 3 further comprises a first limiting rod 305, the lower end of the first limiting rod 305 is arranged on the upper surface of the pressing plate 304, and the outer side wall of the first limiting rod 305 is slidably connected to the inner side wall of the support frame 301, by driving the driving gear 202 to rotate through the operation of the first servo motor 201, the conveying belt 204 can be driven to rotate in circumference under the cooperation of the driven gear 203, and then the support frame 301 can be driven to linearly slide along the first sliding rail 205.

[0065] As Figure 4As shown, the shaft head drive assembly 4 includes a first support column 401, which is disposed on the upper surface of the base 1. A side groove 402 is formed on one outer wall of the first support column 401, and a first vertical plate 406 is detachably connected to the other outer wall of the first support column 401. One end of a spring rod 405 is disposed on the inner wall of the bottom surface of the side groove 402, and the other end of the spring rod 405 is fixedly connected to a first side plate 404. One end of a sliding rod 403 is fixedly connected to the outer wall of the bottom surface of the first side plate 404, and the other end of the sliding rod 403 is slidably connected to the inner wall of the bottom surface of the side groove 402. A shaft head groove 407 is formed on the upper surface of the first vertical plate 406, and a drive motor 408 is disposed on the outer wall of the first side plate 404. A drive wheel 409 is disposed on the output shaft of the drive motor 408, and a driven wheel 4010 is rotatably connected to the outer wall of the first side plate 404. The first shaft head limit... Positioning component 5 includes a second support column 501, which is disposed on the upper surface of the base 1. A cylinder 502 is detachably connected to the outer wall of the second support column 501, and a pneumatic rod 503 is disposed on the inner wall of the cylinder 502. The upper end of the pneumatic rod 503 is rotatably connected to one end of a rotating rod 504, and the other end of the rotating rod 504 is rotatably connected to a limiting wheel 506. A fulcrum shaft 505 is disposed on the upper surface of the second support column 501, and the inner wall of the rotating rod 504 is rotatably connected to the outer wall of the fulcrum shaft 505. By moving the two shaft ends of the spiral straight tube shaft to be straightened to be placed in the middle position of the shaft head drive component 4 and the shaft head driven component 7 and initially engaging them, the cylinder 502 drives the pneumatic rod 503 to extend and slide, thereby driving the rotating rod 504 to rotate along the fulcrum shaft 505. This allows the limiting wheel 506 to cooperate with the shaft head drive component 4 to limit one end of the spiral straight tube shaft to be straightened.

[0066] like Figure 2 and Figure 5 As shown, the second linear drive assembly 6 includes a second servo motor 601, which is disposed on the upper surface of the base 1. The output shaft of the second servo motor 601 is provided with one end of a first lead screw 602, and the other end of the first lead screw 602 is rotatably connected to the inner wall of a first groove 604. The first groove 604 is formed on the upper surface of the first base plate 603. The inner wall of the bottom surface of the first groove 604 is provided with a second slide rail 605, and the outer wall of the first lead screw 602 is provided with a first ball nut 606. The second servo motor 601 drives the first lead screw 602 to rotate along the inner wall of the first groove 604. Under the action of the first ball nut 606, the third support column 701 and the slider 801 can be driven to slide linearly along the second slide rail 605 to approach or move away from the first support column 401. This makes the distance between the third support column 701 and the first support column 401 suitable for the straightened spiral tube shaft.

[0067] As shown in Figure 5 The shaft head driven assembly 7 includes a third support column 701 which is detachably connected to the outer side wall of the first ball nut 606, and the upper surface of the third support column 701 is provided with a second side plate 703 and a second vertical plate 704, wherein the inner side wall of the third support column 701 is in sliding connection with the outer side wall of the second sliding rail 605; the second shaft head limiting assembly 8 includes a sliding block 801, the inner side wall of the sliding block 801 is in sliding connection with the outer side wall of the second sliding rail 605, and the upper surface of the sliding block 801 is provided with a fourth support column 802; the shaft head driven assembly 7 further includes a first connecting plate 702, the outer side wall of the first connecting plate 702 is detachably connected to the outer side wall of the third support column 701, and the outer side wall of the first connecting plate 702 is further detachably connected with the outer side wall of the sliding block 801, and the first connecting plate 702 is provided to enable the third support column 701 to drive the linear movement of the sliding block 801.

[0068] As shown in Figure 6 and Figure 7As shown, the third linear drive assembly 9 comprises a third servo motor 901, the third servo motor 901 is arranged on the upper surface of the base 1, one end of the output shaft of the third servo motor 901 is provided with a second screw rod 902, and the other end of the second screw rod 902 is rotatably connected with the inner side wall of a second groove 904, wherein the second groove 904 is opened on the upper surface of a second bottom plate 903, and the upper surface of the second bottom plate 903 is provided with a third sliding rail 905, and the outer side wall of the second screw rod 902 is provided with a second ball nut 906; the bottom support assembly 10 comprises a driving sliding plate 1001 and a fourth sliding rail 1009, the inner side wall of the driving sliding plate 1001 is slidably connected with the outer side wall of the third sliding rail 905, and the fourth sliding rail 1009 is arranged on the upper surface of the base 1, wherein the outer side wall of the fourth sliding rail 1009 is slidably connected with a driven sliding plate 1008, the upper surfaces of the driving sliding plate 1001 and the driven sliding plate 1008 are detachably connected with a cross plate 1002, the outer wall of the bottom surface of the cross plate 1002 is provided with a second hydraulic cylinder 1003, and the inner side wall of the second hydraulic cylinder 1003 is provided with a second hydraulic rod 1004, wherein the upper end of the second hydraulic rod 1004 is detachably connected with a bottom support plate 1005, the upper surface of the bottom support plate 1005 is provided with a bottom support groove 1007, the outer wall of the bottom surface of the bottom support plate 1005 is detachably connected with a second limiting rod 1006, and the outer side wall of the second limiting rod 1006 is slidably connected with the upper surface of the cross plate 1002; the number of the bottom support assembly 10 is two, and the two bottom support assemblies 10 are symmetrically distributed on the upper surface of the base 1, the third servo motor 901 is driven to rotate the second screw rod 902 along the inner side wall of the second groove 904, so that the driving sliding plate 1001 can be driven to linearly slide along the third sliding rail 905 under the action of the second ball nut 906, and then the driven sliding plate 1008 can be driven to linearly slide along the fourth sliding rail 1009, so that the cross plate 1002 is driven to linearly move.

[0069] As Figures 7-10As shown, the fourth linear drive assembly 11 includes a third hydraulic cylinder 1101, the third hydraulic cylinder 1101 is arranged on the upper surface of the base 1, one end of the third hydraulic rod 1102 is arranged on the inner side wall of the third hydraulic cylinder 1101, and the other end of the third hydraulic rod 1102 is arranged with a sliding seat 1104, the upper surface of the base 1 is arranged with a guide rod 1103, and the outer side wall of the guide rod 1103 is in sliding connection with the inner side wall of the sliding seat 1104; The number of the sliding seat 1104 is multiple, and the multiple sliding seats 1104 are detachably connected by a second connecting plate 1105; The bending detection assembly 12 includes a fourth hydraulic cylinder 1201, the fourth hydraulic cylinder 1201 is arranged on the upper surface of the sliding seat 1104, one end of the fourth hydraulic rod 1202 is arranged on the inner side wall of the fourth hydraulic cylinder 1201, and the other end of the fourth hydraulic rod 1202 is arranged with a top plate 1203, the inner side wall of the top plate 1203 is arranged with a rotating shaft 1204, and the outer side wall of the rotating shaft 1204 is rotatably connected with a rotating plate 1205, wherein one end of the elastic measuring rod 1207 is rotatably connected with the bottom inner wall of the rotating plate 1205, and the other end of the elastic measuring rod 1207 is rotatably connected with the bottom outer wall of the rotating plate 1205, the outer side wall of the rotating plate 1205 is arranged with a detection column 1206, the fourth hydraulic cylinder 1201 is driven to operate the fourth hydraulic rod 1202 to operate to drive the top plate 1203 to stretch and make the detection column 1206 fit the outer side wall of the spiral straight pipe shaft, if there is a bending part on the outer side wall of the spiral straight pipe shaft, the rotating plate 1205 will rotate downward along the rotating shaft 1204, thereby lengthening the elastic measuring rod 1207, and then the elastic measuring rod 1207 can output measurement data to the external control system.

[0070] As shown in Figure 2 and Figure 8 As shown, the number of the first linear drive assembly 2 is two, and the two first linear drive assemblies 2 are symmetrically distributed on the outer side wall of the base 1, and the number of the first linear drive assembly 2 is two, which makes the linear horizontal movement of the linear downward pressing assembly 3 more stable.

[0071] As shown in Figure 4 and Figure 5 The structure of the outer surface of the second side plate 703 is the same as that of the outer surface of the first side plate 404, the structure of the outer surface of the second vertical plate 704 is the same as that of the outer surface of the first vertical plate 406, and the structure of the outer surface of the fourth support column 802 is the same as that of the outer surface of the second support column 501, and the other end of the spiral straight pipe shaft to be straightened can be limited under the action of the second shaft head limiting assembly 8 and the shaft head driven assembly 7.

[0072] Specifically, it includes the following steps:

[0073] Step (A), adjust the distance between the shaft head driving assembly 4 and the shaft head driven assembly 7 as needed, the first lead screw 602 is driven to rotate along the inner wall of the first groove 604 by the second servo motor 601, so that the third support column 701 and the sliding block 801 can be driven to linearly slide along the second sliding rail 605 to approach or move away from the first support column 401 under the action of the first ball nut 606, thereby making the distance between the third support column 701 and the first support column 401 suitable for the straight pipe shaft to be straightened, that is, making the device have the function of being suitable for various lengths of straight pipe shafts;

[0074] Step (B), limit the spiral straight pipe shaft, move the two shaft heads of the straight pipe shaft to be straightened to be placed in the middle position of the shaft head driving assembly 4 and the shaft head driven assembly 7 and preliminarily clamped, and then the pneumatic rod 503 is driven to extend and slide by the cylinder 502, so that the rotating rod 504 can be driven to rotate along the fulcrum shaft 505, thereby the limiting wheel 506 can limit one end of the straight pipe shaft to be straightened in cooperation with the shaft head driving assembly 4, and the other end of the straight pipe shaft to be straightened can be limited under the action of the second shaft head limiting assembly 8 and the shaft head driven assembly 7, that is, the device has the function of automatically limiting and supporting the straight pipe shaft;

[0075] Step (C), select the number of bending detection assemblies 12 as needed, select the number of sliding seats 1104 to select the number of bending detection assemblies 12, and then the second connecting plate 1105 can detachably connect the plurality of sliding seats 1104, that is, the device has the function of selecting the number of bending detection assemblies 12 according to the length of the straight pipe shaft to improve the bending detection efficiency;

[0076] Step (D), detect whether the straight pipe shaft has a bending part, the specific steps are as follows,

[0077] Step (D1), circumferential driving, the output shaft is driven to rotate by the driving motor 408, so that the driving wheel 409 can be driven to rotate, and under the cooperative rotating action of the driven wheel 4010 and the limiting wheel 506, the straight pipe shaft can be circumferentially rotated, that is, the device has the function of driving the straight pipe shaft to rotate circumferentially, which provides a basis for the subsequent bending part detection;

[0078] Step (D2), local spiral straight tube shaft bending detection, the fourth hydraulic cylinder 1201 runs to drive the fourth hydraulic rod 1202 to run, which can drive the top plate 1203 to stretch and make the detection column 1206 adhere to the outer side wall of the spiral straight tube shaft. If there is a bending part on the outer side wall of the spiral straight tube shaft, the rotating plate 1205 will rotate downward along the rotating shaft 1204, thereby lengthening the elastic measuring rod 1207, and then the elastic measuring rod 1207 can output the measurement data to the external control system, so that the device has the function of automatically detecting whether the outer side wall of the spiral straight tube shaft has a bending part.

[0079] Step (D3), complete detection of the entire spiral straight tube shaft, the third hydraulic cylinder 1101 runs to drive the third hydraulic rod 1102 to stretch and slide, thereby driving the sliding seat 1104 to linearly slide along the guide rod 1103, and then driving the bending detection assembly to complete the coverage detection of the outer side wall of the spiral straight tube shaft, so that the device has the function of covering the spiral straight tube shaft for detection.

[0080] Step (E), straightening operation of the spiral straight tube shaft, the specific steps are as follows,

[0081] Step (E1), linear bottom support, the specific steps are as follows,

[0082] Step (E11), linear drive, the third servo motor 901 runs to drive the second screw rod 902 to rotate along the inner side wall of the second groove 904, thereby driving the driven sliding plate 1008 to linearly slide along the fourth sliding rail 1009 under the action of the second ball nut 906, and then driving the horizontal plate 1002 to linearly move, so that the device has the function of moving the bottom support as needed, and provides a basis for the subsequent downward pressing.

[0083] Step (E12), bottom support adhesion, the second hydraulic cylinder 1003 runs to drive the second hydraulic rod 1004 to stretch and slide, thereby driving the bottom support plate 1005 to linearly move upward under the limiting cooperation of the second limiting rod 1006, and then making the inner wall of the bottom surface of the bottom support groove 1007 adhere to the outer side wall of the spiral straight tube shaft, so that the device has the design function of supporting the bottom of the spiral straight tube shaft.

[0084] Step (E2), linear pressing, the specific steps are as follows,

[0085] Step (E21), the first servo motor 201 runs to drive the driving gear 202 to rotate, thereby driving the conveyor belt 204 to rotate under the cooperation of the driven gear 203, and then driving the support frame 301 to linearly slide along the first sliding rail 205, so that the device has the function of linearly driving the linear pressing assembly 3.

[0086] Step (E22), the first hydraulic cylinder 302 is operated to drive the first hydraulic rod 303 to slide, so that the first limiting rod 305 can drive the pressing plate 304 to linearly move up and down, and then the pressure head 306 can linearly move downward, so that the pressing groove 307 can cooperate with the bottom support groove 1007 to complete the bending and straightening operation of the spiral straight pipe shaft, that is, the device has the function of straightening the bent part of the spiral straight pipe shaft;

[0087] Step (E23), the driving wheel 409 and the driven wheel 4010 are pressed down, and the specific steps are as follows,

[0088] Step (E231), the first side plate 404 and the second side plate 703 are pressed, and the first side plate 404 can press the spring rod 405 and linearly move downward under the cooperation of the slide rod 403, and the second side plate 703 also linearly moves downward, so that the bearing capacity of the ends of the spiral straight pipe shaft is borne by the shaft head groove 407, that is, the spiral straight pipe shaft can be pressed down;

[0089] Step (E232), when the spiral straight pipe shaft is not pressed, the first side plate 404 and the second side plate 703 can linearly move upward under the action of the spring rod 405, that is, the driving wheel 409 and the driven wheel 4010 of the device can always play their designed functions.

[0090] The electronic components used in the present application are all general standard components or components known to those skilled in the art, and their structure and principle can be known by the technical personnel through the technical manual or through the conventional experimental method.

[0091] The basic principles and main features of the present application and the advantages of the present application are shown and described. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic straightening device for spiral straight tube shafts, comprising a base (1), characterized in that: The outer wall of the base (1) is provided with a first linear drive assembly (2), and the first linear drive assembly (2) is used to drive the linear pressing assembly (3) to move linearly; The upper surface of the base (1) is provided with a shaft head drive assembly (4) and a first shaft head limiting assembly (5), and the first shaft head limiting assembly (5) is located on one side of the shaft head drive assembly (4). The first shaft head limiting assembly (5) is used to limit the active end of the spiral straight tube shaft to the outer wall of the drive component inside the shaft head drive assembly (4). The shaft head drive assembly (4) is used to drive the spiral straight tube shaft to rotate vertically. The upper surface of the base (1) is provided with a second linear drive assembly (6), and the second linear drive assembly (6) is used to drive the shaft head driven assembly (7) to move linearly. The outer wall of the shaft head driven assembly (7) is detachably connected with a second shaft head limiting assembly (8), wherein the second shaft head limiting assembly (8) is used to limit the driven end of the spiral straight tube shaft to the outer wall of the driven member inside the shaft head driven assembly (7). The shaft head driven assembly (7) is used to cooperate with the shaft head drive assembly (4) to complete the vertical rotation of the spiral straight tube shaft. The upper surface of the base (1) is provided with a third linear drive assembly (9), and the third linear drive assembly (9) is used to drive the bottom support assembly (10) to move linearly. The bottom support assembly (10) is used to cooperate with the linear pressing assembly (3) to complete the straightening operation of the bent part of the spiral straight tube shaft. The upper surface of the base (1) is provided with a fourth linear drive assembly (11), and the fourth linear drive assembly (11) is used to drive the bending detection assembly (12) to move linearly, wherein the bending detection assembly (12) is used to detect whether there is a bending part on the outer wall of the spiral straight tube shaft. The shaft head drive assembly (4) includes a first support column (401), which is disposed on the upper surface of the base (1). A side groove (402) is provided on one side outer wall of the first support column (401), and a first vertical plate (406) is detachably connected to the other side outer wall of the first support column (401). One end of a spring rod (405) is provided on the bottom inner wall of the side groove (402), and the other end of the spring rod (405) is fixedly connected to a first side plate (404). One end of a sliding rod (403) is fixedly connected to the bottom outer wall of the first side plate (404), and the other end of the sliding rod (403) is slidably connected to the bottom inner wall of the side groove (402). The upper surface of the first vertical plate (406) is provided with a shaft head groove (407), and the outer wall of the first side plate (404) is provided with a drive motor (408), wherein the output shaft of the drive motor (408) is provided with a drive wheel (409), and the outer wall of the first side plate (404) is rotatably connected with a driven wheel (4010). The first shaft head limiting assembly (5) includes a second support column (501), which is disposed on the upper surface of the base (1). A cylinder (502) is detachably connected to the outer wall of the second support column (501), and a pneumatic rod (503) is disposed on the inner wall of the cylinder (502). The upper end of the pneumatic rod (503) is rotatably connected to one end of a rotating rod (504), and the other end of the rotating rod (504) is rotatably connected to a limiting wheel (506). A fulcrum shaft (505) is disposed on the upper surface of the second support column (501), and the inner wall of the rotating rod (504) is rotatably connected to the outer wall of the fulcrum shaft (505).

2. The automatic straightening device for spiral straight tube shafts according to claim 1, characterized in that: The first linear drive assembly (2) includes a first servo motor (201), which is disposed on the outer side wall of the base (1). The output shaft of the first servo motor (201) is provided with a drive gear (202), and the outer side wall of the base (1) is also provided with a driven gear (203). The drive gear (202) and the driven gear (203) are connected by a conveyor belt (204), and the outer side wall of the base (1) is provided with a first slide rail (205). The linear pressing assembly (3) includes a support frame (301), which is detachably connected to the outer wall of the conveyor belt (204), and the inner wall of the support frame (301) is slidably connected to the outer wall of the first slide rail (205). A first hydraulic cylinder (302) is provided on the upper surface of the support frame (301). One end of a first hydraulic rod (303) is slidably connected to the inner wall of the first hydraulic cylinder (302), and the other end of the first hydraulic rod (303) is fixedly connected to a pressure plate (304). A pressure head (306) is detachably connected to the outer wall of the bottom surface of the pressure plate (304), and a pressure groove (307) is provided on the outer wall of the bottom surface of the pressure head (306). The linear pressing assembly (3) further includes a first limiting rod (305), the lower end of which is disposed on the upper surface of the pressure plate (304), and the outer side wall of the first limiting rod (305) is slidably connected to the inner side wall of the support frame (301).

3. The automatic straightening device for spiral straight tube shafts according to claim 2, characterized in that: The second linear drive assembly (6) includes a second servo motor (601), which is disposed on the upper surface of the base (1). The output shaft of the second servo motor (601) is provided with one end of a first lead screw (602), and the other end of the first lead screw (602) is rotatably connected to the inner side wall of a first groove (604). The first groove (604) is opened on the upper surface of the first base plate (603). The inner wall of the bottom surface of the first groove (604) is provided with a second slide rail (605), and the outer side wall of the first lead screw (602) is provided with a first ball nut (606).

4. The automatic straightening device for spiral straight tube shafts according to claim 3, characterized in that: The driven shaft assembly (7) includes a third support column (701), which is detachably connected to the outer wall of the first ball nut (606), and a second side plate (703) and a second vertical plate (704) are provided on the upper surface of the third support column (701), wherein the inner wall of the third support column (701) is slidably connected to the outer wall of the second slide rail (605); The second shaft head limiting assembly (8) includes a slider (801), the inner sidewall of the slider (801) is slidably connected to the outer sidewall of the second slide rail (605), and a fourth support column (802) is provided on the upper surface of the slider (801). The shaft head driven assembly (7) further includes a first connecting plate (702), the outer wall of the first connecting plate (702) is detachably connected to the outer wall of the third support column (701), and the outer wall of the first connecting plate (702) is also detachably connected to the outer wall of the slider (801).

5. The automatic straightening device for spiral straight tube shafts according to claim 4, characterized in that: The third linear drive assembly (9) includes a third servo motor (901), which is disposed on the upper surface of the base (1). The output shaft of the third servo motor (901) is provided with one end of a second lead screw (902), and the other end of the second lead screw (902) is rotatably connected to the inner wall of the second groove (904). The second groove (904) is opened on the upper surface of the second base plate (903), and a third slide rail (905) is provided on the upper surface of the second base plate (903). A second ball nut (906) is provided on the outer wall of the second lead screw (902). The base support assembly (10) includes an active sliding plate (1001) and a fourth sliding rail (1009). The inner wall of the active sliding plate (1001) is slidably connected to the outer wall of the third sliding rail (905), and the fourth sliding rail (1009) is disposed on the upper surface of the base (1). A driven sliding plate (1008) is slidably connected to the outer wall of the fourth sliding rail (1009). A horizontal plate (1002) is detachably connected to the upper surfaces of the active sliding plate (1001) and the driven sliding plate (1008). The bottom of the horizontal plate (1002) is... A second hydraulic cylinder (1003) is provided on the outer wall of the surface, and a second hydraulic rod (1004) is provided on the inner side wall of the second hydraulic cylinder (1003). The upper end of the second hydraulic rod (1004) is detachably connected to a bottom support plate (1005). A bottom support groove (1007) is provided on the upper surface of the bottom support plate (1005). A second limiting rod (1006) is detachably connected to the outer wall of the bottom surface of the bottom support plate (1005), and the outer side wall of the second limiting rod (1006) is slidably connected to the upper surface of the horizontal plate (1002). The number of the bottom support components (10) is two, and the two bottom support components (10) are symmetrically distributed on the upper surface of the base (1).

6. The automatic straightening device for spiral straight tube shafts according to claim 5, characterized in that: The fourth linear drive assembly (11) includes a third hydraulic cylinder (1101), which is disposed on the upper surface of the base (1). One end of a third hydraulic rod (1102) is disposed on the inner wall of the third hydraulic cylinder (1101), and the other end of the third hydraulic rod (1102) is disposed on a slide (1104). A guide rod (1103) is disposed on the upper surface of the base (1), and the outer wall of the guide rod (1103) is slidably connected to the inner wall of the slide (1104). The number of the slides (1104) is multiple, and the multiple slides (1104) are detachably connected by a second connecting plate (1105); The bending detection assembly (12) includes a fourth hydraulic cylinder (1201), which is disposed on the upper surface of the slide (1104). One end of a fourth hydraulic rod (1202) is disposed on the inner side wall of the fourth hydraulic cylinder (1201), and the other end of the fourth hydraulic rod (1202) is disposed on a top plate (1203). A rotating shaft (1204) is disposed on the inner side wall of the top plate (1203), and a rotating plate (1205) is rotatably connected to the outer side wall of the rotating shaft (1204). One end of an elastic measuring rod (1207) is rotatably connected to the inner side wall of the bottom surface of the rotating plate (1205), and the other end of the elastic measuring rod (1207) is rotatably connected to the outer side wall of the bottom surface of the rotating plate (1205). A detection column (1206) is disposed on the outer side wall of the rotating plate (1205).

7. The automatic straightening device for spiral straight tube shafts according to claim 6, characterized in that: The number of the first linear drive components (2) is two, and the two first linear drive components (2) are symmetrically distributed on the outer side wall of the base (1).

8. The automatic straightening device for spiral straight tube shafts according to claim 6, characterized in that: The structure of the outer surface of the second side plate (703) is the same as that of the outer surface of the first side plate (404), the structure of the outer surface of the second vertical plate (704) is the same as that of the outer surface of the first vertical plate (406), and the structure of the outer surface of the fourth support column (802) is the same as that of the outer surface of the second support column (501).

9. A method of using the automatic straightening device for spiral straight tube shafts according to any one of claims 6-8, characterized in that, Includes the following steps: Step (A): Adjust the distance between the shaft head drive assembly (4) and the shaft head driven assembly (7) as needed. The second servo motor (601) drives the first lead screw (602) to rotate along the inner wall of the first groove (604). Under the action of the first ball nut (606), the third support column (701) and the slider (801) can slide linearly along the second slide rail (605) to approach or move away from the first support column (401). This makes the distance between the third support column (701) and the first support column (401) suitable for the straightened spiral tube shaft. Step (B): Limit the spiral straight tube shaft. Move the two shaft ends of the spiral straight tube shaft to be straightened and place them in the middle of the shaft head drive assembly (4) and the shaft head driven assembly (7) respectively and engage them initially. Then, the cylinder (502) drives the pneumatic rod (503) to extend and slide, thereby driving the rotating rod (504) to rotate along the fulcrum shaft (505). This allows the limiting wheel (506) to cooperate with the shaft head drive assembly (4) to limit one end of the spiral straight tube shaft to be straightened. Similarly, under the action of the second shaft head limiting assembly (8) and the shaft head driven assembly (7), the other end of the spiral straight tube shaft to be straightened can be limited. Step (C): Select the number of bending detection components (12) and the number of slides (1104) as needed to select the number of bending detection components (12). Then, the multiple slides (1104) can be detachably connected through the second connecting plate (1105). Step (D) involves inspecting the spiral straight tube shaft for bends. The specific steps are as follows: Step (D1), circumferential drive, the drive motor (408) drives the output shaft to rotate, thereby driving the drive wheel (409) to rotate, and then the spiral straight tube shaft can rotate circumferentially under the combined rotation of the driven wheel (4010) and the limit wheel (506); Step (D2) involves detecting the bending of a local spiral straight tube shaft. The operation of the fourth hydraulic cylinder (1201) drives the fourth hydraulic rod (1202) to extend and retract the top plate (1203), causing the detection column (1206) to fit against the outer wall of the spiral straight tube shaft. If there is a bend in the outer wall of the spiral straight tube shaft, the rotating plate (1205) rotates downward along the rotating shaft (1204), which in turn lengthens the elastic measuring rod (1207). The measurement data can then be output to the external control system through the elastic measuring rod (1207). Step (D3) completes the inspection of the entire spiral straight tube shaft. The third hydraulic cylinder (1101) drives the third hydraulic rod (1102) to extend and slide, thereby driving the slide block (1104) to slide linearly along the guide rod (1103), which in turn drives the bending detection component to complete the coverage inspection of the outer wall of the entire spiral straight tube shaft. Step (E) involves straightening the spiral straight tube shaft. The specific steps are as follows: Step (E1), linear bottom support, the specific steps are as follows: Step (E11), linear drive, the third servo motor (901) drives the second lead screw (902) to rotate along the inner wall of the second groove (904), so that under the action of the second ball nut (906), the active slide plate (1001) can slide linearly along the third slide rail (905), and then drive the driven slide plate (1008) to slide linearly along the fourth slide rail (1009), thus driving the horizontal plate (1002) to move linearly; Step (E12), the bottom support is attached. The second hydraulic cylinder (1003) drives the second hydraulic rod (1004) to extend and slide, thereby the second limit rod (1006) can limit the bottom support plate (1005) to move linearly upward, so that the inner wall of the bottom surface of the bottom support groove (1007) can be attached to the outer wall of the spiral straight tube shaft. Step (E2), linear compression, the specific steps are as follows: In step (E21), the first servo motor (201) drives the drive gear (202) to rotate, which in turn drives the conveyor belt (204) to rotate in a circular motion under the action of the driven gear (203), and then drives the support frame (301) to slide linearly along the first slide rail (205); In step (E22), the first hydraulic cylinder (302) drives the first hydraulic rod (303) to extend and slide, thereby enabling the pressure plate (304) to move linearly up and down under the sliding action of the first limit rod (305), which in turn enables the pressure head (306) to move linearly down. This allows the pressure groove (307) to cooperate with the bottom support groove (1007) to complete the bending and straightening operation of the spiral straight tube shaft. Step (E23) involves pressing down to protect the drive wheel (409) and driven wheel (4010). The specific steps are as follows: Step (E231), passive protection under pressure: when the spiral straight tube shaft is under pressure, the first side plate (404) and the second side plate (703) are also under pressure. At this time, the first side plate (404) can press down the spring rod (405) and, with the cooperation of the slide rod (403), the first side plate (404) can move linearly downward. Similarly, the second side plate (703) also moves linearly downward. In this way, the bearing capacity at both ends of the spiral straight tube shaft is borne by the shaft head groove (407). Step (E232), unpressurized reset: when the spiral straight tube shaft is not pressurized, the first side plate (404) and the second side plate (703) can move linearly upward to reset under the action of the spring bar (405).

Images