Automatic umbrella winding equipment and automatic winding method thereof

Abstract

The invention provides an automatic umbrella winding device and an automatic winding method thereof, and relates to the technical field of umbrella equipment.The automatic umbrella winding device comprises at least two placing stations used for placing umbrellas and defined as a first station and a second station respectively, the station exchange device is connected with the first station and the second station to drive the first station and the second station to be alternately switched between an umbrella placing area and an umbrella folding area, and the outer pull rod assembly, the assembly lifting assembly, the upper rotating shaft assembly, the outer umbrella rib clamping sleeve lifting assembly and the outer umbrella rib flexible ribbon assembly are arranged above the umbrella folding area. After an umbrella is automatically clamped by the up-down rotating shaft assembly in the umbrella folding area, the inner pressing rod assembly is matched with the outer pull rod assembly, the outer umbrella rib clamping sleeve lifting assembly and the outer umbrella rib flexible ribbon assembly to achieve the efficient umbrella rolling process, the production efficiency can be greatly improved, and meanwhile the umbrella rolling quality is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of umbrella equipment, and in particular to an automatic umbrella rolling device and an automatic rolling method thereof. Background Art

[0002] At present, in the production of folding umbrellas, the storage of folding umbrellas is usually carried out by manual rewinding, because there is no fully automatic umbrella rewinding equipment. However, the manual rewinding method has the problems of low efficiency and poor rewinding uniformity, and often requires repeated rewinding, which seriously affects the production efficiency. At present, although there are some simple auxiliary tools to assist in rewinding, it is still impossible to achieve an automated rewinding process. Summary of the invention

[0003] The invention discloses an automatic umbrella rolling device, aiming to solve the above-mentioned problems.

[0004] The present invention adopts the following scheme:

[0005] An automatic umbrella winding device comprises: at least two placing stations for placing umbrellas, which are defined as a first station and a second station respectively, and a station exchange device connecting the first station and the second station to drive the first station and the second station to switch alternately between an umbrella placing area and an umbrella collecting area, and an outer pull rod assembly arranged above the umbrella placing area; wherein each of the placing stations comprises a rotating installation device suitable for placing an umbrella, and an umbrella positioning center sleeve and an inner pressure rod assembly having the same number as the ribs are arranged on the peripheral side of the rotating installation device, and the inner pressure rod assembly is used to press the ribs of the umbrella onto the umbrella rod, and a strap fixing assembly is arranged on one side of each of the placing stations for fixing the strap; the strap fixing assembly is suitable for following along the radial direction of the umbrella rotation axis during the umbrella winding process;

[0006] The outer pull rod assembly is suitable for lifting and lowering above the umbrella folding area, and includes an outer pull rod group with the same number as the ribs. The outer pull rod group is suitable for extending into the umbrella cloth and moving outward along the radius of the umbrella's rotating shaft to cooperate with the inner pressure rod assembly to smooth the umbrella cloth; and can shrink and move inward along the radius of the umbrella's rotating shaft during the rotation and rolling process to roll up the umbrella cloth; the umbrella cloth is suitable for driving the strap to roll up during the rotation process so that the strap is automatically rolled up on the outside of the umbrella cloth.

[0007] Furthermore, the internal pressure rod assembly includes a claw device which rotates synchronously with the umbrella and has a number equal to that of the outer ribs, and an internal pressure rod connected to the claw device and having the same number as that of the outer ribs. The claw device is connected to a swinging device, which is suitable for driving the claw device to swing synchronously with the internal pressure rod to tighten or loosen the outer ribs.

[0008] Furthermore, the swing device includes an opening and closing motor, and a rack installed on the circumferential side of the umbrella positioning center sleeve, the opening and closing motor is suitable for driving the rack to move up and down, one end of the claw device is connected to a gear meshing with the rack, and the gear is hinged on the placement station. The rack is driven up and down by the opening and closing motor to control the claw device and the inner pressure rod to swing.

[0009] Furthermore, it also includes a flexible tie assembly arranged above the umbrella folding area and an outer rib clamp suitable for being mounted above the umbrella pole to fix the upper end of the umbrella; wherein the outer rib clamp is provided with a clamp lifting structure to independently drive the outer rib clamp to lift and lower, and the outer rib clamp is connected with a clamp rotating shaft to drive the outer rib clamp to rotate; the flexible tie assembly includes a tie lifting mechanism, a tensioning motor connected to the tie lifting mechanism, and the tensioning motor is connected with an elastic rack structure to control the expansion diameter and tightening diameter of the flexible tie installed on the elastic rack structure, the expansion diameter is suitable for covering all ribs at the handle end of the umbrella, and the tightening diameter enables the outer rib clamp to clamp all ribs at the handle end of all umbrellas.

[0010] Furthermore, the flexible cable tie assembly is arranged on one side of the outer pull rod assembly, and the flexible cable tie is sleeved on the outside of the outer rib sleeve.

[0011] Furthermore, the outer pull rod assembly is connected to a lifting assembly, and the lifting assembly includes a lifting sliding mechanism, and the outer pull rod assembly, the flexible cable tie assembly, and the outer rib clamping sleeve are all connected to the lifting sliding mechanism.

[0012] Furthermore, the outer tie rod assembly includes a synchronous motion mechanism, and the outer tie rod groups are evenly distributed on the synchronous motion mechanism, and the outer tie rod groups are driven to rotate synchronously through the synchronous motion mechanism.

[0013] Furthermore, a rod moving motor is connected to the outer rod assembly, and the rod moving motor is suitable for controlling the outer rod to move inwards and outwards along the radial direction of the umbrella rotation axis.

[0014] The present invention also provides an automatic umbrella rolling method, using the automatic umbrella rolling device, comprising the following steps:

[0015] Insert the umbrella into the umbrella positioning center sleeve of the first station, and place the umbrella strap on the strap fixing assembly, then the station exchange device is electrically started to automatically exchange the first station with the second station, and the first station enters the reeling position;

[0016] The lifting assembly automatically descends to allow the outer rib clamp to clamp the umbrella, and the inner pressure rod assembly swings to compress and position the outer rib; the outer pull rod assembly inserts the outer pull rod into the umbrella cloth, and the outer pull rod group moves outward along the radius direction of the umbrella rotation axis to smooth the umbrella cloth;

[0017] During the reeling process, the rotating installation device and the outer umbrella rib clamping device drive the umbrella to rotate in a set direction, and during the rotation process, the outer pull rod group moves inward according to a preset motion relationship so that the umbrella cloth is gradually reeled in with a suitable tension to ensure that the umbrella cloth is rolled up flatly and tightly; during the reeling process, the strap fixing assembly is pulled to move a preset distance in the radial direction of the umbrella rotation axis, and the strap is wound around the outside of the umbrella cloth, and after the umbrella is reeled in, the strap is pulled off the strap fixing assembly, so that the Velcro (or snaps, etc.) on the strap is automatically tightened (fastened).

[0018] While the first workstation moves into the umbrella collection area to roll up the umbrella, another umbrella is inserted into the umbrella positioning center sleeve of the second workstation. When the first workstation completes the umbrella rolling process and the second workstation completes the umbrella loading, the workstation exchange device starts again to exchange the first workstation with the second workstation, and the cycle is repeated to achieve uninterrupted production of rolled umbrellas.

[0019] Furthermore, after the outer rib clamping sleeve clamps the umbrella, the inner pressure rod assembly first clamps the outer rib to a diameter of A, and then the flexible tie assembly loosens the flexible tie to a diameter greater than A. Then the tie lifting motor controls the flexible tie to descend to the outer rib position, so that the flexible tie is sleeved on the outside of the outer rib, and then the flexible tie motor tightens the flexible tie to tighten the outer rib, so that the diameter of the outer rib after tightening is smaller than the diameter of the outer rib clamping sleeve, and finally the outer rib clamping sleeve is driven to continue to descend to clamp on the outside of the outer rib.

[0020] Beneficial effects:

[0021] Through the setting of this scheme, the automatic rolling of umbrellas can be realized. By setting up double-station automatic exchange, uninterrupted production of rolled umbrellas can be realized, greatly improving the efficiency of umbrella collection. By setting up multiple external pull rods with the same number of umbrella strands to synchronously pull outward and pull inward, and multiple internal pressure rods to press inward and stretch outward, the automatic cloth pulling, winding and strapping actions can be realized, so that the umbrellas can be rolled neatly and efficiently, and it is suitable for the rolling process requirements of various folding umbrellas. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view structural schematic diagram of an automatic umbrella rolling device according to an embodiment of the present invention;

[0023] Figure 2 It is a schematic diagram of the side structure of an automatic umbrella rolling device according to an embodiment of the present invention;

[0024] Figure 3 It is a schematic diagram of the top view of the structure of an automatic umbrella rolling device according to an embodiment of the present invention;

[0025] Figure 4 It is a schematic diagram of the local structure of a placement station of an automatic umbrella rolling device according to an embodiment of the present invention;

[0026] Figure numerals: outer shell 1, umbrella folding area 101, umbrella unfolding area 102, control panel 103, first station 2, second station 3, rotating installation device 21, umbrella positioning center sleeve 22, inner pressure rod assembly 4, inner pressure rod 41, swinging device 42, opening and closing motor 421, rack 422, gear 423, outer pull rod assembly 5, synchronous motion mechanism 51, outer pull rod group 52, outer pull rod moving mechanism 53, outer umbrella rib clamping sleeve 6, clamping sleeve lifting structure 61, lifting assembly 7, lifting sliding mechanism 71, strap fixing assembly 8, flexible cable tie assembly 9, cable tie lifting mechanism 91, flexible cable tie 92, elastic rack structure 93, elastic motor 94, umbrella 10, outer umbrella rib 11, umbrella cloth 12. DETAILED DESCRIPTION

[0027] Example 1

[0028] Combination Figures 1 to 4 As shown, the present embodiment provides an automatic umbrella winding device, comprising: at least two placement stations for placing umbrellas 10, which are defined as a first station 2 and a second station 3, respectively; a station exchange device connecting the first station and the second station 3 to drive the first station 2 and the second station 3 to switch alternately between an umbrella placing area 102 and an umbrella folding area 101, and an outer pull rod assembly 5 arranged above the umbrella placing area 102; wherein each of the placement stations comprises a rotating installation device 21 suitable for placing an umbrella 10, and the inner pressure rod assembly 4 with the same number of umbrella ribs is arranged on the circumference of the rotating installation device 21, and an umbrella positioning center sleeve is used to place the umbrella 10 The ribs are pressed onto the umbrella pole, and a strap fixing assembly 8 is provided on one side of each of the placement stations for fixing the straps; the strap fixing assembly 8 is suitable for following along the radial direction of the rotating shaft of the umbrella 10 during the rolling process of the umbrella 10; the outer pull rod assembly 5 is suitable for lifting and lowering above the umbrella folding area 101, and comprises an outer pull rod group 52 having the same number as the ribs, the outer pull rod group 52 is suitable for extending into the umbrella cloth 12 and moving outward along the radial direction of the rotating shaft of the umbrella 10 to cooperate with the inner pressure rod assembly 4 to smooth the umbrella cloth 12; and can be retracted and moved inward along the radial direction of the rotating shaft of the umbrella 10 during the rotation and rolling process to roll up the umbrella cloth 12.

[0029] Combination Figures 1 to 3As shown, in this embodiment, the automatic umbrella winding device includes an outer shell 1, a control panel 103 is provided on the outer shell 1, and an electrical cabinet assembly is provided inside. The control panel 103 can be used to control the operation of the automatic umbrella winding device 10, and control and adjust the corresponding parameters. An umbrella folding area 101 and an umbrella placing area 102 are formed in the outer shell 1, and a partition is provided between the umbrella folding area 101 and the umbrella placing area 102. The first station 2 and the second station 3 are respectively suitable for switching between the umbrella folding area 101 and the umbrella placing area 102. When in the umbrella folding area 101, the umbrella cloth 12 can be rolled up. When in the umbrella placing area 102, the umbrella 10 to be rolled up can be placed on the umbrella positioning center sleeve 22 of the placing station, and the straps on the umbrella 10 are placed on the strap fixing assembly 8 for fixing.

[0030] Combination Figures 1 to 4 As shown, in this embodiment, an umbrella positioning center sleeve 22 is provided on the placement station for installing and placing the umbrella 10. Specifically, the end of the umbrella pole of the umbrella 10 can be placed in the umbrella positioning center sleeve 22 for preliminary positioning. A rotating shaft connected to a rotating motor is provided below the umbrella positioning center sleeve 22 for driving the umbrella positioning center sleeve 22 to rotate and driving the umbrella 10 placed on the umbrella positioning center sleeve 22 to rotate. An inner pressure rod assembly 4 is provided on the circumference of the umbrella positioning center sleeve 22. The inner pressure rod assembly 4 includes a claw device that rotates synchronously with the umbrella 10 and is equal to the number of outer ribs 11, and inner pressure rods 41 connected to the claw device and the same number as the outer ribs 11 of the umbrella 10. The claw device is connected to a swing device 42, and the swing device 42 is suitable for driving the claw device together with the inner pressure rod 41 to swing to press or loosen the outer ribs 11.

[0031] Specifically, the swing device 42 includes an opening and closing motor 421, and a rack 422 installed on the circumferential side of the umbrella positioning center sleeve 22. The opening and closing motor 421 is suitable for driving the rack 422 to move up and down. One end of the claw device is connected to a gear 423 meshing with the rack 422. The gear 423 is hinged on the placement station. The rack 422 is driven up and down by the opening and closing motor 421 to control the claw device and the inner pressure rod 41 to swing. Here, one end of the inner pressure rod 41 is provided with a pressure head for pressing the outer ribs 11 of the umbrella 10 toward the umbrella pole, so that each outer rib 11 is close to the umbrella pole, thereby facilitating winding; the other end of the inner pressure rod 41 is connected to the end of the claw device, and the opening and closing motor 421 can be provided with a driving gear 423. When the opening and closing motor 421 rotates, the rack 422 can be controlled to move upward or downward, and the rack 422 is installed on the placement station and has a certain displacement gap. When the rack 422 moves up and down, it drives the gear 423 to rotate, thereby causing the claw device and the inner pressure rod 41 to swing around the central axis of the gear 423. If it swings outward, the inner pressure rod 41 loosens the pressure on the outer ribs 11, and if it swings inward, the inner pressure rod 41 presses the outer ribs 11. By setting the displacement gap, the swing angle of the inner pressure rod 41 can be expanded. The structure is simple to control and can fix the outer ribs 11 before the umbrella 10 is rolled up, keeping the outer ribs 11 in a fixed position during the rolling process.

[0032] Continue to combine Figures 1 to 4 As shown, a strap fixing assembly 8 is provided on one side of the placement station, and the strap fixing assembly 8 is suitable for being displaced a certain distance along the radial direction of the rotation axis of the umbrella 10 under the drive of the umbrella cloth 12 when rolling up. Specifically, the strap fixing assembly 8 can be provided on any side of the placement station, and is located outside the inner pressure rod assembly 4, and a sliding track (not shown) for its movement is provided on the placement station, and the strap fixing assembly 8 can slide inward along the sliding track, and a spring member (not shown) is provided on the sliding track, and the spring member is connected to the strap fixing assembly 8, and can drive the strap fixing assembly 8 to reset when the strap is detached from the strap fixing assembly 8. During the rolling process, the umbrella 10 rotates to drive the strap to roll up together, and the strap fixing assembly 8 moves to a certain position. When the umbrella cloth 12 is rolled up, the Velcro on the strap is automatically connected to the connecting part on the umbrella 10 to complete the tightening of the strap. At this time, the umbrella 10 continues to rotate, so that the pulling force of the umbrella cloth 12 on the strap is greater than the friction force of the strap fixing assembly 8 on the strap, and the strap automatically disengages from the clamp of the strap fixing assembly 8, and then the strap fixing assembly 8 automatically resets.

[0033] A flexible tie assembly 9 and an outer rib sleeve 6 for being set on the top of the umbrella rod to fix the upper end of the umbrella 10 are also arranged above the umbrella folding area 101; a lifting assembly 7 is arranged above the umbrella folding area 101, and the lifting assembly 7 includes a lifting sliding mechanism 71, and the outer tie rod assembly 5 is connected to the lifting sliding mechanism 71 with the flexible tie assembly 9 and the outer rib sleeve 6. The lifting assembly 7 can control the outer tie rod assembly 5 to be lifted and lowered synchronously and quickly with the flexible tie assembly 9 and the outer rib sleeve 6. Here, the outer tie rod assembly 5 is provided with a synchronous motion mechanism 51, and the outer tie rod group 52 is evenly distributed on the synchronous motion mechanism 51, and the outer tie rod group 52 is driven to move synchronously through the synchronous motion mechanism 51. At the same time, an outer tie rod moving mechanism 53 is arranged on the synchronous motion mechanism 51, and the outer tie rod moving mechanism 53 is used to control the outer tie rod group 52 to move inward and outward along the radial direction of the rotating axis of the umbrella 10 on the synchronous motion mechanism 51. The outer pull rod moving mechanism 53 can be realized by means of a motor-driven rack or other methods, or by other existing mechanisms, for example, the pull rod moving mechanisms 53 corresponding to the number of umbrella ribs are uniformly distributed inside the outer pull rod assembly 5, and the outer pull rod mechanisms 53 are respectively fixed on the corresponding tracks to move linearly along the radial direction. The pull rod moving mechanism 53 includes a driving motor and a gear structure, and the driving motor drives the gear to mesh the gear ring to synchronously push the pull rod moving mechanism. When the driving motor rotates forward, multiple pull rod moving mechanisms move inward synchronously, and when the driving motor rotates reversely, they move outward synchronously. It should be noted that the outer pull rod group 52 is uniformly distributed on the outside of the outer rib clamp 6 along the circumferential direction. When the outer pull rod of the outer pull rod assembly 5 is inserted into the umbrella cloth 12, it can move outward to straighten the umbrella cloth 12, and then during the winding process, the outer pull rod moves inward at the same time during the rotation according to the given motion relationship, so as to ensure that the umbrella cloth 12 is neat and beautiful during winding. The motion relationship can be adaptively adjusted according to the length of the umbrella cloth 12 of the umbrella 10.

[0034] In this embodiment, the outer rib clamp 6 is provided with a clamp lifting structure 61 to independently drive the outer rib clamp 6 to lift, and the outer rib clamp 6 is connected to a clamp rotating shaft to drive the outer rib clamp 6 to rotate; through the outer rib clamp 6, the outer rib 11 can be limited in cooperation with the inner pressure rod 41 before winding, so that the outer rib 11 can be tightened when it is out of the limit of the inner pressure rod 41 due to the displacement of the position of the outer rib 11 during the winding process. The clamp rotating shaft rotates synchronously with the rotating motor that drives the umbrella positioning center sleeve 22 to rotate, and jointly drives the umbrella 10 to rotate. Here, the outer rib clamp 6 is also sleeved on the end of the umbrella pole, which is used to position and fix the umbrella pole.

[0035] The flexible cable tie assembly 9 includes a cable tie lifting mechanism 91, a tensioning motor 94 connected to the cable tie lifting mechanism 91, and the tensioning motor 94 is connected to a tensioning rack structure 93 for controlling the unfolding diameter of a flexible cable tie 92 installed on the tensioning rack structure. Here, the flexible cable tie assembly 9 is arranged on one side of the outer pull rod assembly 5, and the flexible cable tie 92 is sleeved on the outside of the outer rib clamp 6. The flexible cable tie 92 is used to be sleeved on the outside of the outer rib 11, and is used to tighten the outer rib 11 when rolling up. On the one hand, it assists the outer rib clamp 6 to be sleeved on the outside of the outer rib 11, and on the other hand, it can also keep the outer rib 11 in a tightened state during the rolling process.

[0036] By means of the automatic rolling device for the umbrella 10 of the present embodiment, the rolling operation of the umbrella 10 can be performed uninterruptedly with high efficiency, and the umbrella 10 is arranged in a high degree of neatness after rolling.

[0037] It should be noted that, in this embodiment, the outer pull rod and the inner pressure rod 41 can be replaced to adapt to umbrellas of different sizes 10. The umbrella 10 described in this embodiment can be a folding umbrella, and can be rolled up after being folded, and can also be used for rolling up a long straight umbrella.

[0038] Example 2

[0039] The present invention also provides an automatic umbrella rolling method, using the automatic umbrella rolling device, comprising the following steps:

[0040] Insert the umbrella 10 into the umbrella positioning center sleeve 22 of the first station 2, and place the strap of the umbrella 10 on the strap fixing assembly 8, then the station exchange device is electrically started to automatically exchange the first station 2 with the second station 3, and the first station 2 enters the winding position;

[0041] The lifting assembly 7 automatically descends to allow the outer rib clamping sleeve 6 to clamp the umbrella 10, and the inner pressure rod assembly 4 swings to compress and position the outer rib 11; the outer pull rod assembly 5 inserts the outer pull rod into the umbrella cloth 12, and the outer pressure rod assembly moves outward along the radial direction of the rotation axis of the umbrella 10 to smooth the umbrella 10 cloth;

[0042] During the reeling process, the rotating installation device and the outer rib clamp drive the umbrella to rotate in a set direction, and the outer pull rod assembly 5 moves inward according to a preset motion relationship so that the umbrella cloth is gradually reeled in with a suitable tension to ensure that the umbrella cloth is rolled up flatly and tightly; and during the reeling process, the rotating installation device 21 and the outer rib clamp 6 drive the umbrella 10 to rotate in the opposite direction to increase the reeling speed; during the reeling process of the umbrella cloth 12, the strap fixing assembly 8 is pulled to move a preset distance in the radial direction of the rotating axis of the umbrella 10, so that the strap is wound around the outside of the umbrella cloth 12, so that the Velcro on the strap is automatically tightened, and after the reeling of the umbrella 10 is completed, the strap is pulled off the strap fixing assembly 8;

[0043] While the first station 2 turns to the umbrella folding area 101 to roll up the umbrella 10, another umbrella 10 is inserted into the umbrella positioning center sleeve 22 of the second station 3. When the first station 2 completes the umbrella 10 rolling process and the second station 3 completes the umbrella loading, the station exchange device starts again to exchange the first station 2 with the second station 3, and the cycle is repeated to achieve uninterrupted production of rolled umbrellas 10.

[0044] In a preferred embodiment, when fixing the outer rib 11, after the outer rib clamping sleeve 6 clamps the end of the umbrella pole of the umbrella 10, the inner pressure rod assembly 4 first clamps the outer rib 11 to the diameter A, and the flexible tie assembly 9 first loosens the flexible tie 92 to a diameter greater than the diameter A, and then the tie lifting motor controls the flexible tie 92 to descend to the position of the outer rib 11, so that the flexible tie 92 is sleeved on the outside of the outer rib 11, and then the flexible tie 92 motor tightens the flexible tie 92 to tighten the outer rib 11, so that the diameter of the outer rib 11 after tightening is smaller than the diameter of the outer rib clamping sleeve 6, and then the outer rib clamping sleeve 6 is driven to continue to descend to clamp on the outside of the outer rib 11. In this way, each outer rib 11 can be ensured to remain in a predetermined position during the fixing and winding process. When the winding is completed, the motor of the flexible cable tie 92 controls the flexible cable tie 92 to loosen, and drives the cable tie assembly to move upward through the cable tie lifting mechanism 91 to leave the area of ​​the umbrella 10, so as to facilitate the next winding work.

[0045] Through the scheme of this embodiment, the steps are simple and easy to execute, and through the automatic exchange of the double stations, uninterrupted production of the rolled umbrella 10 can be achieved, which greatly improves the rolling efficiency and the appearance after rolling.

[0046] It should be understood that the above are only preferred implementations of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention.

[0047] The above description of the drawings used in the implementation manner only illustrates certain embodiments of the present invention and should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

Claims

1. An automatic umbrella rolling device, characterized in that: include: At least two placement stations for placing umbrellas, which are defined as a first station and a second station, respectively, also include a station exchange device connecting the first station and the second station to drive the first station and the second station to switch alternately between an umbrella placing area and an umbrella folding area, and an external pull rod assembly arranged above the umbrella placing area; wherein, Each of the placement stations comprises a rotating installation device suitable for placing an umbrella, and the rotating installation device is provided with an umbrella positioning center sleeve and an inner pressure rod assembly having the same number as the ribs of the umbrella, and the inner pressure rod assembly is used to press the ribs of the umbrella onto the umbrella rod, and a strap fixing assembly is provided on one side of each of the placement stations for fixing the strap; the strap fixing assembly is suitable for following along the radial direction of the umbrella rotation axis during the umbrella rolling process; The outer pull rod assembly is suitable for lifting and lowering above the umbrella folding area, and includes an outer pull rod group with the same number as the ribs. The outer pull rod group is suitable for extending into the umbrella cloth and moving outward along the radius of the umbrella's rotating shaft to cooperate with the inner pressure rod assembly to smooth the umbrella cloth; and can shrink and move inward along the radius of the umbrella's rotating shaft during the rotation and rolling process to roll up the umbrella cloth; the umbrella cloth is suitable for driving the strap to roll up during the rotation process so that the strap is automatically rolled up on the outside of the umbrella cloth.

2. The automatic umbrella retracting device according to claim 1, characterized in that: The inner pressure rod assembly comprises inner pressure rods having the same number as the outer ribs of the umbrella and a swing device, wherein the swing device is suitable for driving the inner pressure rods to swing so as to tighten or loosen the outer ribs.

3. The automatic umbrella retracting device according to claim 2, characterized in that: The swinging device includes an opening and closing motor, which is suitable for driving the rack to move up and down. One end of the internal pressure rod is connected to a gear meshing with the rack. The gear is hinged on the placement station. The rack is driven up and down by the opening and closing motor to control the internal pressure rod to swing.

4. The automatic umbrella retracting device according to claim 1, characterized in that: It also includes a flexible tie assembly arranged above the umbrella folding area and an outer rib clamp suitable for being sleeved above the umbrella pole to fix the upper end of the umbrella; wherein the outer rib clamp is provided with a clamp lifting structure to independently drive the outer rib clamp to lift, and the outer rib clamp is connected with a clamp rotating shaft to drive the outer rib clamp to rotate; the flexible tie assembly includes a tie lifting mechanism, a tensioning motor connected to the tie lifting mechanism, and the tensioning motor is connected with an elastic rack structure to control the expansion diameter and tightening diameter of the flexible tie installed on the elastic rack structure, the expansion diameter is suitable for covering all ribs at the handle end of the umbrella, and the tightening diameter enables the outer rib clamp to clamp all ribs at the handle end of all umbrellas.

5. The automatic umbrella retracting device according to claim 4, characterized in that: The flexible cable tie assembly is arranged on one side of the outer pull rod assembly, and the flexible cable tie is sleeved on the outside of the outer rib sleeve.

6. The automatic umbrella retracting device according to claim 4, characterized in that: The outer pull rod assembly is connected to the lifting assembly, and the lifting assembly includes a lifting sliding mechanism. The outer pull rod assembly, the flexible cable tie assembly, and the outer rib clamping sleeve are all connected to the lifting sliding mechanism.

7. The automatic umbrella retracting device according to claim 6, characterized in that: The outer tie rod assembly includes a synchronous motion mechanism, and the outer tie rod groups are evenly distributed on the synchronous motion mechanism. The outer tie rod groups are driven to rotate synchronously through the synchronous motion mechanism.

8. The automatic umbrella retracting device according to claim 7, characterized in that: The outer pull rod assembly is connected to a pull rod moving motor, and the pull rod moving motor is suitable for controlling the outer pull rod to move inward and outward along the radial direction of the umbrella rotation axis.

9. A method for automatically rolling up an umbrella, characterized in that: The automatic umbrella retracting device according to claim 7 comprises the following steps: Insert the umbrella into the umbrella positioning center sleeve of the first station, and place the umbrella strap on the strap fixing assembly, then the station exchange device is electrically started to automatically exchange the first station with the second station, and the first station enters the reeling position; The lifting assembly automatically descends to allow the outer rib clamp to clamp the umbrella, and the inner pressure rod assembly swings to compress and position the outer rib; the outer pull rod assembly inserts the outer pull rod into the umbrella cloth, and the outer pressure rod group moves outward along the radius direction of the umbrella rotation axis to smooth the umbrella cloth; During the reeling process, the rotating installation device and the outer umbrella rib clamping device drive the umbrella to rotate in a set direction, and during the rotation process, the outer pull rod group moves inward according to a preset motion relationship so that the umbrella cloth is gradually reeled in with a suitable tension to ensure that the umbrella cloth is rolled up flatly and tightly; during the reeling process, the strap fixing assembly is pulled to move a preset distance in the radial direction of the umbrella rotation axis so that the strap is wound around the outside of the umbrella cloth, and after the umbrella is reeled in, the strap can be pulled off the strap fixing assembly so that the strap is automatically tightened; While the first workstation moves into the umbrella collection area to roll up the umbrella, another umbrella is inserted into the umbrella positioning center sleeve of the second workstation. When the first workstation completes the umbrella rolling process and the second workstation completes the umbrella loading, the workstation exchange device starts again to exchange the first workstation with the second workstation, and the cycle is repeated to achieve uninterrupted production of rolled umbrellas.

10. The method for automatically rolling up an umbrella according to claim 9, characterized in that: After the outer rib clamping sleeve clamps the umbrella, the inner pressure rod assembly first clamps the outer rib to the diameter A, and then the flexible tie assembly loosens the flexible tie to a diameter greater than A. Then the tie lifting motor controls the flexible tie to descend to the outer rib position, so that the flexible tie is sleeved on the outside of the outer rib. Then the flexible tie motor tightens the flexible tie to tighten the outer rib, so that the diameter of the outer rib after tightening is smaller than the diameter of the outer rib clamping sleeve. Finally, the outer rib clamping sleeve is driven to continue to descend to clamp on the outside of the outer rib.

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