A coil winding air expansion shaft

Abstract

The present invention discloses a coil winding air expansion shaft, comprising: a frame for installing the coil winding shaft and a rotation driving device; a coil winding shaft, wherein one side of the coil winding shaft is a driving side, and the other side is a coil winding side, the coil winding side of the coil winding shaft is rotatably connected to the frame and is connected to a rotation driving device, the rotation driving device is used to drive the coil winding shaft to rotate, a cavity is provided in the coil winding shaft, the coil winding side of the coil winding shaft is provided with an insertion groove arranged along the length direction of the coil winding shaft, and the insertion groove is connected to the cavity; a clamping assembly, the clamping assembly comprises a clamping plate and a flip driving device, the clamping plate is located in the cavity, the flip driving device is installed on the clamping plate and connected to the clamping plate, and is used to drive the clamping plate to rotate in the cavity, so as to fix the coil extending into the cavity; an air expansion bearing, the air expansion bearing is installed on the outer side of the coil winding side of the coil winding shaft; the coil winding air expansion shaft can automatically fix the front end of the coil, the fixing efficiency is high and firm, and the overall winding efficiency is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of winding devices, and more particularly to an air expansion shaft for winding coiled materials. Background Art

[0002] In the process of coil production, an air shaft is generally required. The paper tube is put on the air shaft, and then the air shaft is inflated to expand the air shaft to fix the paper tube. Finally, the coil is rolled up on the paper tube of the air shaft through the winding device.

[0003] At present, the existing fixation between the coil and the paper tube is achieved by gluing or tape between the front end of the coil and the paper tube. The fixation method requires manual operation, and the operation process is cumbersome and inefficient. Therefore, it is necessary to design and develop a coil winding air expansion shaft that can automatically fix the coil. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a coil winding air inflation shaft, which can automatically fix the front end of the coil, and has high fixing efficiency and firm fixing, effectively improving the overall winding efficiency. The overall structure is relatively simple and can solve the above-mentioned technical problems.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A coil winding air expansion shaft, comprising:

[0007] A frame, which is used to install the reel and the rotation drive device;

[0008] A reel, one side of the reel is a driving side, and the other side is a reeling side, the reeling side of the reel is rotatably connected to the frame and is connected to a rotation driving device, the rotation driving device is used to drive the reel to rotate, a cavity is provided in the reel, the reeling side of the reel is provided with an insertion groove arranged along the length direction of the reel, and the insertion groove is communicated with the cavity;

[0009] A clamping assembly, the clamping assembly comprising a clamping plate and a flipping drive device, the clamping plate being located in the cavity, the flipping drive device being mounted on the reel and connected to the clamping plate, and being used to drive the clamping plate to rotate in the cavity, so as to fix the coiled material extending into the cavity;

[0010] The inflatable bearing is installed on the outer side of the winding side of the winding shaft.

[0011] Furthermore, the clamping plate is a C-shaped clamping plate, which fits the inner wall of the winding shaft, and the C-shaped clamping plate is distributed on the winding side of the winding shaft along the length direction of the winding shaft.

[0012] Furthermore, a plurality of saw teeth are arranged along the length direction of the C-shaped clamping plate at the opening of the C-shaped clamping plate.

[0013] Furthermore, the flipping drive device includes a mounting frame and a driving cylinder, the mounting frame is fixed on the driving side of the winding shaft, the C-shaped clamping plate is extended and extends out of the end of the driving side of the winding shaft, the driving cylinder body is hinged to the mounting frame, and the piston rod of the driving cylinder is hinged with a connecting plate, and the connecting plate is fixed to the protruding end of the C-shaped clamping plate.

[0014] Furthermore, two mounting seats are arranged on the frame, and mounting holes are arranged on the two mounting seats. The driving side of the winding shaft extends into the mounting holes of the two mounting seats respectively and is equipped with a rotating bearing.

[0015] Furthermore, the rotation drive device includes a driving motor, a driving sprocket, a driven sprocket and a chain. The driving motor is installed on the frame, the driving sprocket is connected to the main shaft of the driving motor, the driven sprocket is installed on the driving side of the winding shaft, and the chain is respectively mounted on the driving sprocket and the driven sprocket.

[0016] Furthermore, a hand wheel is arranged on the driving side of the winding shaft, and the hand wheel is fixedly connected to the winding shaft.

[0017] Further, the inflatable bearing is provided with one piece.

[0018] Furthermore, the inflatable bearing is provided with a plurality of pieces, and the plurality of inflatable bearings are all installed on the winding side of the winding shaft and arranged side by side.

[0019] Furthermore, a receiving component and a discharging component are arranged below the reeling side of the reeling shaft.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The present invention provides a winding shaft, a cavity and an insertion slot connected to the cavity are provided in the winding shaft, a C-shaped clamping plate is provided in the cavity, and a turning drive device is provided between the C-shaped clamping plate and the winding shaft, so that the front end of the coil can be inserted into the insertion slot, and then the turning drive device drives the C-shaped clamping plate to rotate, so that the C-shaped clamping plate closes the notch of the insertion slot and clamps the front end of the coil located in the insertion slot, so as to clamp and fix the coil, and there is no need to fix the coil by paper tube and adhesive tape (glue) as in the existing air expansion shaft, and the whole fixing process of the front end of the coil is automatic fixing, no manual operation is required, and the fixing process is short in time and high in efficiency, which can effectively improve the overall winding efficiency and is suitable for the existing fully automated production process. At the same time, the structure of the overall air expansion shaft is relatively simple and the cost is relatively low.

[0022] In addition, a hand wheel is provided in the air expansion shaft of the present invention, and the angle of the air expansion shaft can be adjusted by the hand wheel, which is convenient for manual adjustment when the insertion groove is not aligned with the front end of the coil and for later maintenance; at the same time, a receiving component and a discharging component are provided, which cooperate with the winding shaft to realize the winding, rolling receiving and unloading of the coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0024] Figure 1 A schematic diagram of the structure of a coil winding air expansion shaft Figure 1 ;

[0025] Figure 2 Cross-section view of the reel (when the feed is being clamped) Figure 1 ;

[0026] Figure 3 Cross-section view of the reel (when it is just tightened) Figure 2 ;

[0027] Figure 4 Cross-section view of the reel (when clamped and reeled) Figure 3 ;

[0028] Figure 5 Cross-sectional view of the reel (when reeling is completed and unwinding) Figure 4 ;

[0029] Figure 6 A schematic diagram of the structure of a coil winding air expansion shaft Figure 2 ;

[0030] Figure 7 A schematic diagram of the structure of a coil winding air expansion shaft Figure 3 ;

[0031] Figure 8 A schematic diagram of the structure of a coil winding air expansion shaft Figure 4 ;

[0032] Fig. 9 A schematic diagram of the structure of a coil winding air expansion shaft Figure 5 ;

[0033] Fig.10 for Figure 6 The enlarged view of point A in the middle;

[0034] Fig.11 for Figure 7The enlarged view of point B in the middle;

[0035] Fig.12 for Figure 8 Enlarged view of point C in the middle;

[0036] Fig.13 for Fig. 9 Enlarged view of point D in the middle.

[0037] The markings in the figure are: 1. frame; 2. winding shaft; 201. driving side; 202. winding side; 203. cavity; 204. extension slot; 3. driving motor; 4. receiving assembly; 401. receiving seat; 402. first auxiliary roller; 403. second auxiliary roller; 404. flip cylinder; 405. flip lifting frame; 5. discharging assembly; 501. discharging seat; 502. discharging motor; 503. discharging track; 504. U-shaped baffle; 505. driving gear; 506. rack; 6. driving sprocket; 7. driven sprocket; 8. chain; 9. handwheel; 10. mounting frame; 11. driving cylinder; 12. clamping plate; 13. connecting plate; 14. mounting seat; 15. air bearing. DETAILED DESCRIPTION

[0038] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present invention.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the present invention, "several" and "a number" mean two or more, unless otherwise clearly and specifically defined.

[0040] Embodiment 1:

[0041] A coil winding air expansion shaft, such as Figure 1 As shown, including:

[0042] A frame 1, which is used to install a reel 2 and a rotation drive device;

[0043] A reel 2, one side of the reel 2 is a driving side 201, and the other side is a reel side 202, the reel side 202 of the reel 2 is rotatably connected to the frame 1, and is connected to a rotation driving device, the rotation driving device is used to drive the reel 2 to rotate, a cavity 203 is provided in the reel 2, the reel side 202 of the reel 2 is provided with an insertion groove 204 arranged along the length direction of the reel 2, and the insertion groove 204 is communicated with the cavity 203;

[0044] A clamping assembly, the clamping assembly comprising a clamping plate 12 and a flipping drive device, the clamping plate 12 is located in the cavity 203, the flipping drive device is installed on the reel 2 and connected to the clamping plate 12, and is used to drive the clamping plate 12 to rotate in the cavity 203, so as to fix the coiled material extending into the cavity 203;

[0045] The inflatable bearing 15 is installed on the outer side of the winding side 202 of the winding shaft 2.

[0046] Preferably, Figure 2-Figure 5 As shown, the clamping plate 12 is a C-shaped clamping plate, which fits the inner wall of the winding shaft 2, and the C-shaped clamping plate is distributed along the length direction of the winding shaft 2 on the winding side 202 of the winding shaft 2, so that the coil can be completely clamped and fixed in width.

[0047] Specifically, Figure 2-Figure 5 As shown, there are, in sequence, the states of the winding shaft 2 when the feeding is waiting to be clamped, the state when the clamping begins, the state when the clamping and winding is completed, and the state when the winding is completed and released. The clamping of the coil is achieved by rotating the C-shaped pallet; when the feeding is waiting to be clamped, the C-shaped pallet is in place and the inflatable belt of the inflatable bearing 15 is not inflated; when the clamping begins, the coil is inserted into the insertion groove 204, and the C-shaped pallet rotates to clamp the coil and the inflatable belt of the inflatable bearing 15 is inflated to expand the inflatable bearing 15 and increase the size of the entire winding shaft 2; when the winding is completed and released, the C-shaped pallet flips over and returns to the original position to feed the front end of the coil, and the inflatable belt of the inflatable bearing 15 is deflated to release the tension on the coil.

[0048] Preferably, Fig.12 As shown, the flipping drive device includes a mounting frame 10 and a driving cylinder 11, the mounting frame 10 is fixed on the driving side 201 of the winding shaft 2, the C-shaped card plate is extended and extends out of the end of the driving side 201 of the winding shaft 2, the driving cylinder 11 body is hinged to the mounting frame 10, and the piston rod of the driving cylinder 11 is hinged with a connecting plate 13, and the connecting plate 13 is fixed to the protruding end of the C-shaped card plate.

[0049] Preferably, Figure 1As shown, the frame 1 is provided with two mounting seats 14, both mounting seats 14 are provided with mounting holes, and the driving side 201 of the winding shaft 2 extends into the mounting holes of the two mounting seats 14 respectively and is equipped with a rotating bearing.

[0050] Preferably, Fig.11 As shown, the rotation drive device includes a driving motor 3, a driving sprocket 6, a driven sprocket 7 and a chain 8. The driving motor 3 is installed on the frame 1, the driving sprocket 6 is connected to the main shaft of the driving motor 3, the driven sprocket 7 is installed on the driving side 201 of the winding shaft 2, and the chain 8 is respectively mounted on the driving sprocket 6 and the driven sprocket 7.

[0051] Preferably, Figure 1 As shown, a hand wheel 9 is provided on the driving side 201 of the winding shaft 2 , and the hand wheel 9 is fixedly connected to the winding shaft 2 .

[0052] Embodiment 2:

[0053] A coil winding air expansion shaft, the other features of which are the same as those of embodiment 1, except that: a plurality of saw teeth arranged along the length direction of the C-shaped pallet are provided at the opening of the C-shaped pallet, so that the fixing effect of the coil can be enhanced by the plurality of saw teeth to ensure that the coil will not fall off.

[0054] Embodiment three:

[0055] A coil winding air expansion shaft, the other features of which are the same as those of the first or second embodiment, except that: the air expansion bearing 15 is provided with one piece, so that the overall structure of the winding shaft 2 is relatively simple and the cost is relatively low.

[0056] Embodiment 4:

[0057] A coil winding air expansion shaft, such as Figure 2-Figure 5 As shown, the remaining features are the same as those of implementation one or two, except that: the pneumatic bearing 15 is provided with a plurality of pieces, and the plurality of pneumatic bearings 15 are all installed on the winding side 202 of the winding shaft 2 and arranged side by side.

[0058] Embodiment five:

[0059] A coil winding air expansion shaft, such as Figure 6-Figure 9 As shown, the remaining features are the same as those of implementation one, two, three or four, except that a receiving component 4 and a discharging component 5 are provided below the winding side 202 of the winding shaft 2.

[0060] Specifically, by providing the receiving assembly 4, when the coil is finished winding or the coil is large, the receiving assembly 4 contacts the coil and bears the force on the coil, thereby preventing the winding shaft 2 from bearing a large force alone and affecting the function of the winding shaft 2;

[0061] The discharging assembly 5 is provided to discharge the coiled material after winding, so that the coiled material is discharged from the winding shaft 2 .

[0062] Preferably, Fig.10 As shown, the receiving assembly 4 includes a receiving seat 401 , a first auxiliary roller 402 and a second auxiliary roller 403 , wherein the first auxiliary roller 402 and the second auxiliary roller 403 are symmetrically arranged below the winding side 202 of the winding shaft 2 and are rotatably connected to the receiving seat 401 .

[0063] Preferably, Fig.10 As shown, a lifting assembly is provided between the second auxiliary roller 403 and the receiving seat 401, and the lifting assembly includes a flip lifting frame 405, and the flip lifting frame 405 is rotatably connected to both sides of the receiving seat 401, and both ends of the second auxiliary roller 403 are connected to one side of the flip lifting frame 405, and a flip cylinder 404 is provided on one side of the receiving seat 401, and the flip cylinder 404 body is hinged to the receiving seat 401, and the piston rod of the flip cylinder 404 is hinged to the side of the flip lifting frame 405 away from the connection with the second auxiliary roller 403;

[0064] Specifically, by setting up a lifting component, after the coil is wound, the flip cylinder 404 is started to drive the flip lifting frame 405 to rotate, so that the second auxiliary roller 403 is lifted upward, so that the end of the coil is firmly attached to the coil itself, which can prevent the end of the coil from falling off and prevent the coil from loosening.

[0065] Preferably, Figure 6 and Fig.13 As shown, the discharging assembly 5 includes a discharging seat 501, a discharging track 503 and a discharging driving device. A guide wheel is provided at the bottom of the discharging seat 501, and the guide wheel cooperates with the discharging track 503. The receiving seat 401 is installed on the discharging seat 501. U-shaped baffles 504 are provided at both ends of the discharging seat 501. The discharging driving device is used to move and drive the discharging seat 501.

[0066] Specifically, the discharging track 503 is provided to limit and guide the movement of the discharging seat 501, and the U-shaped baffle 504 is provided to limit the wound coil to be located in the discharging seat 501, thereby ensuring smooth discharging.

[0067] Preferably, Fig.13 As shown, the discharging drive device includes a discharging motor 502, a driving gear 505 and a rack 506. The discharging motor 502 is fixedly connected to the discharging seat 501, the driving gear 505 is connected to the main shaft of the discharging motor 502, the rack 506 is installed on the discharging guide rail and arranged parallel to the discharging guide rail, and the driving gear 505 is meshed with the rack 506;

[0068] Specifically, when the coil is unloaded after winding, the unloading motor 502 starts, driving the driving gear 505 to rotate, and under the action of the driving gear 505 and the rack 506, the unloading seat 501 is finally driven to move along the unloading track 503, thereby realizing the unloading movement of the coil.

[0069] Working process and advantages:

[0070] When the coil is being wound, the preceding device horizontally feeds the front end of the coil to the winding side 202 of the winding shaft 2 and into the insertion slot 204, then drives the cylinder 11 to start, drives the C-shaped clamping plate to rotate, so that the C-shaped clamping plate closes the notch of the insertion slot 204 and clamps the front end of the coil in the insertion slot 204, thereby clamping and fixing the coil, then the air bearing 15 starts and expands, then drives the motor 3 to start, drives the driving sprocket 6, the chain 8 and the driven sprocket 7 to rotate in sequence, and finally drives the winding shaft 2 to rotate, starts to wind the coil, and finally completes the winding;

[0071] When the coil is completely rolled up, the cutting device cuts off the end of the coil so that the end of the coil is also completely rolled up, and then the lifting assembly is started, the flip cylinder 404 is started, and the flip lifting frame 405 is driven to rotate, so that the second auxiliary roller 403 is lifted upward, so that the end of the coil is firmly attached to the coil itself, which can prevent the end of the coil from falling off and prevent the coil from loosening;

[0072] Finally, the air-expanding bearing 15 is deflated so that the coil can detach from the winding shaft 2, and then the discharge component 5 is opened, and the discharge motor 502 is started. The discharge motor 502 drives the driving gear 505 to rotate, and with the cooperation of the driving gear 505 and the rack 506, the entire discharge seat 501 is driven to move along the discharge track 503. At the same time, under the action of the U-shaped baffle 504, the coil is limited on the receiving component 4 of the discharge seat 501, and finally moved out of the winding shaft 2 to complete the discharge and unloading.

[0073] The present invention provides a winding shaft 2, a cavity 203 and an insertion slot 204 connected to the cavity 203 are provided in the winding shaft 2, and a C-shaped card plate is provided in the cavity 203, and a flip driving device is provided between the C-shaped card plate and the winding shaft 2, so that the front end of the coil can be inserted into the insertion slot 204, and then the flip driving device drives the C-shaped card plate to rotate, so that the C-shaped card plate closes the notch of the insertion slot 204 and clamps the front end of the coil located in the insertion slot 204, so as to clamp and fix the coil, and there is no need to fix the coil by paper tube and tape (glue) as in the existing air expansion shaft, and the whole process of fixing the front end of the coil is automatic fixing, without manual operation, and the fixing process is short in time and high in efficiency, which can effectively improve the overall winding efficiency and is suitable for the existing fully automated production process. At the same time, the structure of the overall air expansion shaft is relatively simple and the cost is relatively low.

[0074] In addition, the air expansion shaft in the present invention is also provided with a hand wheel 9, and the angle of the air expansion shaft can be adjusted by the hand wheel 9, which is convenient for manual adjustment when the insertion groove 204 is not aligned with the front end of the coil and for later maintenance; at the same time, a receiving component 4 and a discharging component 5 are provided, which cooperate with the winding shaft 2 to realize the winding, rolling receiving and unloading of the coil.

[0075] The above is only a preferred embodiment 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. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A coil winding air expansion shaft, characterized in that: include: A frame, which is used to install the reel and the rotation drive device; A reel, one side of the reel is a driving side, and the other side is a reeling side, the reeling side of the reel is rotatably connected to the frame and is connected to a rotation driving device, the rotation driving device is used to drive the reel to rotate, a cavity is provided in the reel, the reeling side of the reel is provided with an insertion groove arranged along the length direction of the reel, and the insertion groove is communicated with the cavity; A clamping assembly, the clamping assembly comprising a clamping plate and a flipping drive device, the clamping plate is located in the cavity, the flipping drive device is installed on the winding shaft and connected to the clamping plate, and is used to drive the clamping plate to rotate in the cavity to fix the coiled material extending into the cavity, the clamping plate is a C-shaped clamping plate, the C-shaped clamping plate is in contact with the inner wall of the winding shaft, and the C-shaped clamping plate is distributed along the winding side of the winding shaft along the length direction of the winding shaft; The flip driving device includes a mounting frame and a driving cylinder, wherein the mounting frame is fixed at the driving side of the winding shaft, the C-shaped card plate is extended and extends out of the end of the driving side of the winding shaft, the driving cylinder body is hinged to the mounting frame, and the piston rod of the driving cylinder is hinged with a connecting plate, and the connecting plate is fixed to the extending end of the C-shaped card plate; A hand wheel is provided on the driving side of the winding shaft, and the hand wheel is fixedly connected to the winding shaft; The inflatable bearing is installed on the outer side of the winding side of the winding shaft.

2. The air expansion shaft for coil winding according to claim 1, characterized in that: The opening of the C-shaped clamping plate is provided with a plurality of saw teeth arranged along the length direction of the C-shaped clamping plate.

3. The air expansion shaft for coil winding according to claim 1, characterized in that: The frame is provided with two mounting seats, both of which are provided with mounting holes, and the driving side of the winding shaft extends into the mounting holes of the two mounting seats respectively and is equipped with a rotating bearing.

4. The air expansion shaft for coil winding according to claim 1, characterized in that: The rotation drive device includes a driving motor, a driving sprocket, a driven sprocket and a chain. The driving motor is installed on a frame, the driving sprocket is connected to the main shaft of the driving motor, the driven sprocket is installed on the driving side of the winding shaft, and the chain is respectively mounted on the driving sprocket and the driven sprocket.

5. The air expansion shaft for coil winding according to claim 1, characterized in that: The gas expansion bearing bush is provided with one piece.

6. The air expansion shaft for coil winding according to claim 1, characterized in that: The inflatable bearing is provided with a plurality of pieces, and the plurality of inflatable bearings are all installed on the winding side of the winding shaft and arranged side by side.

7. The air expansion shaft for coil winding according to claim 1, characterized in that: A receiving assembly and a discharging assembly are arranged below the reeling side of the reeling shaft.

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