Automatic polyester fiber crimping machine

Abstract

The invention relates to the technical field of textile equipment, in particular to an automatic polyester fiber crimping machine which comprises a positioning component, a guide device is fixedly mounted at the rear end of the positioning component, a winding drum is placed in the positioning component and comprises six-edge grooves, and the six-edge grooves are formed in the centers of the two ends of the winding drum. The guiding device comprises a supporting frame, chains, chain wheels, first bevel gears, transverse supports, clamping frames and supporting vertical plates, the chain wheels are symmetrically and rotationally installed in the supporting frame, the first bevel gears are fixedly installed at the rear ends of the chain wheels, the chains are connected to the outer rings of the chain wheels in a meshed and sleeved mode, and the transverse supports are symmetrically and fixedly installed at the bottom end in the supporting frame. The clamping frame is slidably connected to the outer ring of the transverse support in a sleeving mode, the supporting vertical plate is fixedly installed at the top end of the clamping frame, and the positioning component comprises a swing device, a supporting device and a transmission device. Through the arrangement of the positioning part, the purposes of circulating replacement and synchronous placement are achieved when the crimping machine is used.

Description

Technical Field

[0001] The invention relates to the technical field of textile equipment transmission, in particular to an automatic crimping machine for polyester fibers. Background Art

[0002] Polyester fiber, also known as polyester fiber, is an important synthetic fiber. Polyester fiber is made from purified terephthalic acid or dimethyl terephthalate and ethylene glycol as raw materials. It is produced by esterification or ester exchange and polycondensation reaction to obtain fiber-forming polymer, and then through spinning and post-processing processes to make fibers.

[0003] The working principle of the curling machine is to rotate the winding device through the driving device, and wind the material at a certain speed and direction. At the same time, according to different machine models and uses, the curling machine may also be equipped with auxiliary equipment such as paper cutting mechanism and control system to ensure the accuracy and quality of curling. Specifically, the raw material is placed flat on the curling work platform, and the curling mechanism is started to make the curling shaft start to rotate, thereby driving the raw material on the curling work platform to curl.

[0004] At present, when the crimping machines on the market are in use, since the collecting cylinder is fixedly installed, the bolts need to be frequently removed during installation and removal of the collecting cylinder. At the same time, after the crimping machine releases the collecting cylinder, it takes a certain amount of time to assemble the collecting cylinder with the inside of the crimping machine. As a result, the existing crimping machines cannot perform the functions of cyclic replacement and synchronous placement when in use. Therefore, a device is needed to improve the above-mentioned problems. Summary of the invention

[0005] In view of the problems in the prior art, the present invention provides an automatic crimping machine for polyester fibers.

[0006] The technical solution adopted by the present invention to solve its technical problems is: a polyester fiber automatic curling machine, including a positioning component, a guide device is fixedly installed at the rear end of the positioning component, a winding drum is placed inside the positioning component, the winding drum includes a hexagonal groove, and the hexagonal groove is opened at the center of both ends of the winding drum, the guide device includes a support frame, a chain, a sprocket, a first bevel gear, a transverse bracket, a bracket and a support vertical plate, the sprocket is symmetrically rotatably installed inside the support frame, the first bevel gear is fixedly installed at the rear end of the sprocket, the chain is meshingly sleeved on the outer ring of the sprocket, the transverse bracket is symmetrically fixedly installed on the inner bottom end of the support frame, the bracket is slidably sleeved on the outer ring of the transverse bracket, and the support vertical plate is fixedly installed on the top of the bracket.

[0007] Specifically, the positioning component includes a swing device, a supporting device and a transmission device. The swing device and the supporting device are fixedly arranged on the top ends of both sides of the transmission device, and the supporting device is located behind the swing device.

[0008] Specifically, the swing device includes a first gear, a displacement bracket, a hexagonal rod, a connecting rope, a winding wheel, a second gear, a support arm, a connecting shaft, a first drive motor, a support top plate, a first spring, a back plate, a guide rod, an extension support plate and a wire wheel. The connecting shaft is fixedly installed on the side end center of the first drive motor, the support arm is fixedly installed on the end of the connecting shaft away from the first drive motor, the second gear is rotatably installed in front of the side end of the support arm away from the connecting shaft, the winding wheel is fixedly installed on the side end center of the second gear close to the connecting shaft, the connecting rope is fixedly installed on the outer ring of the winding wheel, and the extension support plate is fixedly installed on the side end center of the second gear close to the connecting shaft. The first gear is fixedly installed on the rear end of the support arm, the displacement bracket is slidably inserted on the rear end of the extension support plate, the hexagonal rod is rotatably installed inside the displacement bracket, the first gear is fixedly installed on the left center of the hexagonal rod, the wire wheel is rotatably installed on the inner left side of the extension support plate, the support top plate is fixedly installed on the top and bottom ends of the displacement bracket close to the support arm, the back plate is fixedly installed on the top and bottom ends of the extension support plate away from the support top plate, the first spring is fixedly installed between the support top plate and the back plate, the guide rod slides through the back plate and is connected to the support top plate, and the guide rod is located at the inner circle center of the first spring.

[0009] Specifically, the support device includes a support cavity, a second spring and a support key. The support key is slidably inserted into the side end of the support cavity, and the second spring is fixedly installed at an inner end of the support cavity away from the support key.

[0010] Specifically, the transmission device includes a second bevel gear, an arc frame, a third gear, a second drive motor, a side end bracket, a support base and a placement frame, the side end brackets are fixedly installed on both sides of the top of the support base, the placement frame is fixedly installed on the top of the support base, and the placement frame is located in front of the side end bracket, an arc frame is fixedly installed between the side end bracket and the placement frame, a second drive motor is fixedly installed at the rear of the side end bracket, a third gear is fixedly installed at the side end opposite to the second drive motor, and the second bevel gear is fixedly installed on the outer ring of the third gear close to the second drive motor.

[0011] Specifically, the support frame is fixedly installed at the rear of the support base, the support cavity is fixedly installed on the top of the side end bracket close to the arc frame, the first drive motor is fixedly installed on the top of the side end bracket, and the first drive motor is located between the second drive motor and the placement frame, and the first bevel gear is meshed with the second bevel gear.

[0012] Specifically, a round rod is fixedly installed at the rear of the chain, and a vertical slot is opened in front of the supporting vertical plate, and the round rod is located inside the vertical slot.

[0013] Specifically, a wire hole is opened inside the bracket, a clamping key is symmetrically fixedly installed at the front end of the displacement bracket, and a clamping groove is symmetrically opened at the rear of the support arm, and the end of the connecting rope away from the winding wheel is connected to the end of the displacement bracket close to the first gear.

[0014] Specifically, the inner ring of the arc frame is fixedly installed with teeth, and the teeth are distributed at 180°, the second gear is in contact with the inner ring of the arc frame, the support key is inclined at 45° away from the bottom end of the second spring, and a placement groove is provided at the top of the support base, and a magnetic suction sheet is installed inside the placement groove.

[0015] Specifically, the placing frame includes a connecting transverse plate and a hydraulic cylinder, the connecting transverse plate is fixedly installed on the top of the hydraulic cylinder, and the placing frame is fixedly installed between two connecting transverse plates.

[0016] Beneficial effects of the present invention:

[0017] 1. When the first driving motor of the present invention is started, it can drive the support arm to rotate, so that the first gear can rotate to mesh with the third gear. When the second driving motor is started, it can drive the hexagonal rod and the winding drum to rotate at the same time, so that the winding drum can perform the winding work. At the same time, when the third gear is rotated, the second bevel gear can drive the first bevel gear and the sprocket to rotate at the same time, so that the sprocket can drive the chain to rotate, so that the support vertical plate can be moved back and forth inside the support frame, so that the bracket can drive the silk thread to neatly wrap around the outer ring of the winding drum, completing the work of synchronous placement.

[0018] Second, when the first gear passes through the third gear, the second gear can rotate on the inner circle of the arc frame, so that the connecting rope can pull the displacement bracket to move, so that the hexagonal rod can release the winding drum, and at the same time, when the support arm rotates to a specified angle, the winding drum can be placed on the placement frame, and when the support arm rotates again to drive the hexagonal rod to contact the winding drum at the bottom end of the support base, the hexagonal rod can be driven to insert into the inside of the hexagonal groove, so that when the support arm rotates again, the winding drum can be driven to rotate upward, completing the work of cyclic replacement of the winding drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the collecting tube in the present invention from the front perspective;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the guide device of the present invention from a front perspective;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the positioning component in the present invention from a front perspective;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the swing device in the present invention from the front perspective;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the swing device in the present invention from a side end perspective;

[0026] Figure 7 For the present invention Figure 6 A local enlarged schematic diagram of point A;

[0027] Figure 8 It is a partial cutaway schematic diagram of the support device in the present invention;

[0028] Fig. 9 It is a schematic diagram of the three-dimensional structure of the transmission device of the present invention from a side end perspective;

[0029] Fig.10 It is a schematic diagram of the three-dimensional structure from the rear perspective of the second embodiment of placing the frame in the present invention.

[0030] In the figure: 1-reeling drum, 2-guide device, 3-positioning component, 4-hexagonal groove, 5-support frame, 6-chain, 7-sprocket, 8-first conical gear, 9-transverse bracket, 10-cage, 11-support vertical plate, 12-swing device, 13-support device, 14-transmission device, 15-first gear, 16-displacement bracket, 17-hexagonal rod, 18-connecting rope, 19-reeling wheel, 20-second gear, 21-support arm, 22- Connecting shaft, 23-first drive motor, 24-support top plate, 25-first spring, 26-back plate, 27-guide rod, 28-extension support plate, 29-wire wheel, 30-support cavity, 31-second spring, 32-support key, 33-second bevel gear, 34-arc frame, 35-third gear, 36-second drive motor, 37-side end bracket, 38-support base, 39-placing frame, 40-connecting cross plate, 41-hydraulic cylinder. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0032] The present invention is further described below in conjunction with the accompanying drawings.

[0033] Example 1

[0034] like Figure 1 , Figure 2 and Figure 3 As shown, an automatic crimping machine for polyester fiber of the present invention comprises a positioning component 3, a guide device 2 is fixedly installed at the rear end of the positioning component 3, a winding drum 1 is placed inside the positioning component 3, the winding drum 1 comprises a hexagonal groove 4, and the hexagonal groove 4 is opened at the centers of both ends of the winding drum 1, the guide device 2 comprises a supporting frame 5, a chain 6, a sprocket 7, a first bevel gear 8, a transverse bracket 9, a bracket 10 and a supporting vertical plate 11, the sprocket 7 is symmetrically rotatably installed inside the supporting frame 5, the first bevel gear 8 is fixedly installed at the rear end of the sprocket 7, the chain 6 is meshed and sleeved on the outer ring of the sprocket 7, the transverse bracket 9 is symmetrically fixedly installed on the inner bottom end of the supporting frame 5, the bracket 10 is slidably sleeved on the outer ring of the transverse bracket 9, and the supporting vertical plate 11 is fixedly installed on the top of the bracket 10.

[0035] like Figure 4 The positioning component 3 includes a swing device 12, a supporting device 13 and a transmission device 14. The swing device 12 and the supporting device 13 are fixedly arranged at the top ends of both sides of the transmission device 14, and the supporting device 13 is located behind the swing device 12 to support the swing device 12 to work.

[0036] like Figure 5 , Figure 6 and Figure 7The swing device 12 includes a first gear 15, a displacement bracket 16, a hexagonal rod 17, a connecting rope 18, a winding wheel 19, a second gear 20, a support arm 21, a connecting shaft 22, a first drive motor 23, a support top plate 24, a first spring 25, a back plate 26, a guide rod 27, an extension support plate 28 and a wire wheel 29. The connecting shaft 22 is fixedly mounted on the side end center of the first drive motor 23, the support arm 21 is fixedly mounted on the end of the connecting shaft 22 away from the first drive motor 23, the second gear 20 is rotatably mounted in front of the side end of the support arm 21 away from the connecting shaft 22, the winding wheel 19 is fixedly mounted on the side end center of the second gear 20 close to the connecting shaft 22, the connecting rope 18 is fixedly mounted on the outer ring of the winding wheel 19, the extension support plate 28 is fixedly mounted on the rear end of the support arm 21, and the displacement bracket 16 It is slidably inserted on the rear end of the extension support plate 28, the hexagonal rod 17 is rotatably installed inside the displacement bracket 16, the first gear 15 is fixedly installed on the left center of the hexagonal rod 17, the wire wheel 29 is rotatably installed on the left side inside the extension support plate 28, the support top plate 24 is fixedly installed on the top and bottom ends of the displacement bracket 16 close to the support arm 21, the back plate 26 is fixedly installed on the top and bottom ends of the extension support plate 28 away from the support top plate 24, the first spring 25 is fixedly installed between the support top plate 24 and the back plate 26, the guide rod 27 slides through the back plate 26 and is connected to the support top plate 24, and the guide rod 27 is located at the inner circle center of the first spring 25, and is on the same axis as the arc frame 34 through the second gear 20, so that when the support arm 21 rotates, it can drive the second gear 20 to rotate along the inside of the arc frame 34.

[0037] like Figure 8 The supporting device 13 includes a supporting cavity 30, a second spring 31 and a supporting key 32. The supporting key 32 is slidably inserted into the side end of the supporting cavity 30. The second spring 31 is fixedly installed at the inner end of the supporting cavity 30 away from the supporting key 32. When the supporting arm 21 is kept in a working state, the bottom end can be fitted with the top end of the supporting key 32, so that the supporting arm 21 can be supported to work normally. At the same time, the surfaces of both ends of the winding drum 1 are arranged in an arc state, so that the hexagonal rod 17 can be easily moved through the surface of the winding drum 1 close to the hexagonal groove 4. At the same time, when the hexagonal rod 17 moves to be vertically aligned with the hexagonal groove 4, the hexagonal rod 17 can be adjusted to an angle aligned with the hexagonal groove 4, so that the hexagonal rod 17 can be inserted into the inside of the hexagonal groove 4.

[0038] like Fig. 9The transmission device 14 includes a second bevel gear 33, an arc frame 34, a third gear 35, a second drive motor 36, a side end bracket 37, a support base 38 and a placement frame 39. The side end bracket 37 is fixedly installed on both sides of the top of the support base 38, and the placement frame 39 is fixedly installed on the top of the support base 38, and the placement frame 39 is located in front of the side end bracket 37. The arc frame 34 is fixedly installed between the side end bracket 37 and the placement frame 39. The second drive motor 36 is fixedly installed at the rear of the side end bracket 37, and the third gear 35 is fixedly installed on the side end opposite to the second drive motor 36. The second bevel gear 33 is fixedly installed on the outer ring of the third gear 35 close to the second drive motor 36. When the winding drum 1 is driven to rotate by the support arm 21, the winding drum 1 can be driven to disengage from the arc groove on the support base 38, so that the winding drum 1 can be prevented from getting stuck.

[0039] The support frame 5 is fixedly mounted at the rear of the support base 38, the support cavity 30 is fixedly mounted on the top of the side end bracket 37 near the arc frame 34, the first drive motor 23 is fixedly mounted on the top of the side end bracket 37, and the first drive motor 23 is located between the second drive motor 36 and the placement frame 39, the first bevel gear 8 is meshed with the second bevel gear 33, a round rod is fixedly mounted at the rear of the chain 6, and a vertical card slot is opened in front of the support vertical plate 11, the round rod is located inside the vertical card slot, and the inside of the card frame 10 is opened The wire placement hole, the front end of the displacement bracket 16 is symmetrically fixed with a card key, and the rear of the support arm 21 is symmetrically provided with a card slot, the end of the connecting rope 18 away from the winding wheel 19 is connected to the end of the displacement bracket 16 close to the first gear 15, the inner ring of the arc frame 34 is fixedly installed with teeth, and the teeth are distributed at 180°, the second gear 20 is fitted with the inner ring of the arc frame 34, the support key 32 is inclined at 45° away from the bottom end of the second spring 31, and a placement groove is provided at the top of the support base 38, and a magnetic suction sheet is installed inside the placement groove.

[0040] The working principle of embodiment 1 is as follows: when in use, first place the winding drum 1 in the arc groove at the bottom end of the inner side of the support base 38 until the two ends of the winding drum 1 are in contact with the magnetic suction sheet in the arc groove, so that the winding drum 1 can be adsorbed and placed at a specified angle, which is convenient for the hexagonal rod 17 to dock with the hexagonal groove 4. Subsequently, the polyester fiber yarn from the outside can be connected to the surface of the winding drum 1 in the installed state through the inside of the bracket 10, and then the second drive motor 36 is started to drive the third gear 35 to rotate. When the third gear 35 rotates, it can drive the second bevel gear 33 and the first bevel gear 8 to rotate at the same time, and when the first bevel gear 8 rotates, it can drive the sprocket 7 and the chain 6 to rotate. When the chain 6 rotates, it can drive the round rod at the rear to rotate at the same time, and the round rod is plugged into the support In the vertical slot inside the front end of the vertical plate 11, when the chain 6 drives the round rod to move, it can simultaneously drive the supporting vertical plate 11 and the bracket 10 to rotate, so that the bracket 10 can drive the polyester fiber to move back and forth, so that the polyester fiber can be arranged according to a predetermined path, and the polyester fiber can be prevented from being knotted when curled. In addition, the bracket 10 is slidably sleeved on the horizontal bracket 9, so that the bracket 10 can be supported to move in a straight line. At the same time, when the third gear 35 rotates, it can drive the first gear 15 to rotate at the same time, and when the first gear 15 rotates, it can drive the hexagonal rod 17 and the winding drum 1 to rotate at the same time, so that the winding drum 1 can reel in the polyester fiber. When the polyester fiber is reeled in, the first drive motor 23 can be started to drive the support arm 21 The second gear 20 meshes with the teeth of the inner circle of the arc frame 34, so that when the support arm 21 rotates, it can drive the second gear 20 to rotate along the inner circle of the arc frame 34, so that the second gear 20 can rotate. When the second gear 20 rotates, it can drive the winding wheel 19 to wind up the connecting rope 18 and drive the displacement bracket 16 to move toward one end close to the extension support plate 28, so that the hexagonal rod 17 can be slowly drawn out from the inside of the hexagonal groove 4. Through the setting of the wire wheel 29, the connecting rope 18 can pull the displacement bracket 16 to move with the wire wheel 29 as the base point. Subsequently, when the support arm 21 rotates to be horizontally aligned with the placement frame 39, the hexagonal rod 17 can be completely taken out from the inside of the hexagonal groove 4. At the same time, the winding drum 1 is placed on the top of the placement frame 39 to complete the winding drum. 1 is placed, and then, when the support arm 21 continues to rotate, it can drive the second gear 20 to pass through the inside of the arc frame 34, so that the second gear 20 will lose the meshing force. At this time, the elasticity of the first spring 25 will drive the support top plate 24 to move toward one end close to the support arm 21, so that the displacement bracket 16 can be quickly reset, and the key at the front end of the displacement bracket 16 slides in the groove inside the rear end of the support arm 21, so that the displacement bracket 16 can be ensured to move in a straight line. At the same time, when the support top plate 24 is displaced, the guide rod 27 can be driven to move at the same time, so that the bending of the first spring 25 can be avoided. When the support arm 21 rotates downward, it can drive the hexagonal rod 17 to slide along the side end surface of the winding drum 1. Through the setting of the first spring 25,This allows the displacement bracket 16 to drive the hexagonal rod 17 to move toward one end close to the extension support plate 28, so that the hexagonal rod 17 can move to the side end of the winding drum 1. Subsequently, when the hexagonal rod 17 rotates to be vertically aligned with the center of the hexagonal groove 4, the first spring 25 can drive the support top plate 24 and the displacement bracket 16 to move again, so that the hexagonal rod 17 can be inserted into the inside of the hexagonal groove 4, completing the docking and assembly of the hexagonal rod 17 and the winding drum 1. Subsequently, when the support arm 21 continues to rotate, the winding drum 1 can be driven to rotate at the same time, so that the support arm 21 can contact the bottom end of the support key 32. The bottom end of the support key 32 is inclined at 45 degrees, so that The smoothness of the support arm 21 passing through the support key 32 can be improved. When the support arm 21 passes through the support key 32, the support key 32 can be squeezed to move toward the inside of the support cavity 30 until the support arm 21 completely passes through the support key 32. The elasticity of the second spring 31 can drive the support key 32 to reset, so that the support key 32 can be located below the support arm 21. Subsequently, the support key 32 is located below the support arm 21, so that the support arm 21 can be supported to work in a horizontal state. Moreover, when the support arm 21 is in a horizontal state, the first gear 15 can be driven to mesh with the third gear 35 again, so that the polyester fiber winding work can be carried out again.

[0041] Example 2

[0042] On the basis of Example 1, Fig.10 As shown, the placement frame 39 includes a connecting cross plate 40 and a hydraulic cylinder 41 . The connecting cross plate 40 is fixedly mounted on the top of the hydraulic cylinder 41 , and the placement frame 39 is fixedly mounted between the two connecting cross plates 40 .

[0043] When implementing this embodiment, a hydraulic cylinder 41 is installed at the top front end of the support base 38. When the winding drum 1 on the placement frame 39 needs to be taken, the hydraulic cylinder 41 can be started to drive the placement frame 39 to move downward until the winding drum 1 is placed on the external support structure, thereby completing the work of taking out the winding drum 1. At the same time, a plastic pad is fixedly installed on the top of the placement frame 39 to avoid rigid collision between the winding drum 1 and the placement frame 39. Subsequently, when the winding drum 1 is taken out, the hydraulic cylinder 41 can be started again to drive the placement frame 39 to reset upward, so that the placement frame 39 can easily receive the winding drum 1 again to complete the work.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic crimping machine for polyester fibers, comprising a positioning component (3), a guide device (2) being fixedly mounted at the rear end of the positioning component (3), a winding drum (1) being placed inside the positioning component (3), characterized in that: The winding drum (1) comprises a hexagonal groove (4), wherein the hexagonal groove (4) is arranged at the center of both ends of the winding drum (1); the guiding device (2) comprises a supporting frame (5), a chain (6), a sprocket (7), a first bevel gear (8), a transverse bracket (9), a bracket (10) and a supporting vertical plate (11); the sprocket (7) is symmetrically rotatably mounted inside the supporting frame (5); the first bevel gear (8) is fixedly mounted on the rear end of the sprocket (7); the chain (6) is meshingly sleeved on the outer ring of the sprocket (7); the transverse bracket (9) is symmetrically fixedly mounted on the inner bottom end of the supporting frame (5); the bracket (10) is slidably sleeved on the outer ring of the transverse bracket (9); and the supporting vertical plate (11) is fixedly mounted on the top of the bracket (10).

2. The polyester fiber automatic crimping machine according to claim 1, characterized in that: The positioning component (3) comprises a swing device (12), a supporting device (13) and a transmission device (14); the swing device (12) and the supporting device (13) are fixedly arranged at the top ends of both sides of the transmission device (14), and the supporting device (13) is located behind the swing device (12).

3. The polyester fiber automatic crimping machine according to claim 2, characterized in that: The swing device (12) comprises a first gear (15), a displacement bracket (16), a hexagonal rod (17), a connecting rope (18), a winding wheel (19), a second gear (20), a support arm (21), a connecting shaft (22), a first driving motor (23), a supporting top plate (24), a first spring (25), a back plate (26), a guide rod (27), an extending support plate (28) and a guide wheel (29), wherein the connecting shaft (22) is fixedly mounted at the center of a side end of the first driving motor (23), the support arm (21) is fixedly mounted at an end of the connecting shaft (22) away from the first driving motor (23), the second gear (20) is rotatably mounted in front of the side end of the support arm (21) away from the connecting shaft (22), the winding wheel (19) is fixedly mounted at the center of a side end of the second gear (20) close to the connecting shaft (22), and the connecting rope (18) is fixedly mounted on the outer ring of the winding wheel (19). The extension support plate (28) is fixedly mounted on the rear end of the support arm (21); the displacement bracket (16) is slidably inserted on the rear end of the extension support plate (28); the hexagonal rod (17) is rotatably mounted inside the displacement bracket (16); the first gear (15) is fixedly mounted on the left center of the hexagonal rod (17); the guide wheel (29) is rotatably mounted on the left inside the extension support plate (28); the support top plate (24) is fixedly mounted on the top and bottom ends of the displacement bracket (16) close to the support arm (21); the back plate (26) is fixedly mounted on the top and bottom ends of the extension support plate (28) away from the support top plate (24); the first spring (25) is fixedly mounted between the support top plate (24) and the back plate (26); the guide rod (27) slides through the back plate (26) and is connected to the support top plate (24); and the guide rod (27) is located at the inner circle center of the first spring (25).

4. The polyester fiber automatic crimping machine according to claim 3, characterized in that: The supporting device (13) comprises a supporting cavity (30), a second spring (31) and a supporting key (32); the supporting key (32) is slidably inserted into the side end of the supporting cavity (30); and the second spring (31) is fixedly mounted at an inner end of the supporting cavity (30) away from the supporting key (32).

5. The polyester fiber automatic crimping machine according to claim 4, characterized in that: The transmission device (14) comprises a second bevel gear (33), an arc frame (34), a third gear (35), a second drive motor (36), a side end bracket (37), a support base (38) and a placement frame (39), wherein the side end bracket (37) is fixedly mounted on both sides of the top of the support base (38), the placement frame (39) is fixedly mounted on the top of the support base (38), and the placement frame (39) is located in front of the side end bracket (37), the arc frame (34) is fixedly mounted between the side end bracket (37) and the placement frame (39), the second drive motor (36) is fixedly mounted at the rear of the side end bracket (37), the third gear (35) is fixedly mounted on the side end opposite to the second drive motor (36), and the second bevel gear (33) is fixedly mounted on the outer ring of the third gear (35) close to the second drive motor (36).

6. The polyester fiber automatic crimping machine according to claim 5, characterized in that: The support frame (5) is fixedly mounted at the rear of the support base (38), the support cavity (30) is fixedly mounted on the top of the side end bracket (37) close to the arc frame (34), the first drive motor (23) is fixedly mounted on the top of the side end bracket (37), and the first drive motor (23) is located between the second drive motor (36) and the placement frame (39), and the first bevel gear (8) is meshed with the second bevel gear (33).

7. The polyester fiber automatic crimping machine according to claim 6, characterized in that: A round rod is fixedly installed at the rear of the chain (6), and a vertical slot is provided in front of the supporting vertical plate (11), and the round rod is located inside the vertical slot.

8. The polyester fiber automatic crimping machine according to claim 7, characterized in that: A wire hole is provided inside the bracket (10), a clamping key is symmetrically fixedly installed at the front end of the displacement bracket (16), and a clamping slot is symmetrically provided at the rear of the support arm (21), and one end of the connecting rope (18) away from the winding wheel (19) is connected to one end of the displacement bracket (16) close to the first gear (15).

9. The polyester fiber automatic crimping machine according to claim 8, characterized in that: The inner ring of the arc frame (34) is fixedly mounted with teeth, and the teeth are distributed at 180 degrees. The second gear (20) fits the inner ring of the arc frame (34). The support key (32) is arranged at a 45 degree inclination away from the bottom end of the second spring (31). The top of the support base (38) is provided with a placement groove, and a magnetic attraction sheet is installed inside the placement groove.

10. The polyester fiber automatic crimping machine according to claim 9, characterized in that: The placement frame (39) comprises a connecting transverse plate (40) and a hydraulic cylinder (41), wherein the connecting transverse plate (40) is fixedly mounted on the top of the hydraulic cylinder (41), and the placement frame (39) is fixedly mounted between the two connecting transverse plates (40).

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