CN104773563B - It is a kind of to realize the wrap-up that cutting is pinpointed in core - Google Patents

Abstract

The invention provides a winding device capable of realizing fixed-point cutting on the winding core, which includes a base and a winding frame. The winding frame includes a main shaft and several winding shafts. The two side plates are fixedly connected to the main shaft respectively, and the winding shaft rotates relative to the side plates, and the two ends of the main shaft are rotatably installed on the base; the winding shaft is also provided with an adhesive strip axially; The first power mechanism that drives the main shaft to rotate and the second power mechanism that drives several winding shafts to rotate; the winding device also includes a first control mechanism and a second control mechanism. When the rewinding shaft is transferred to the working station where a friction roller is located, the rewinding frame stops rotating; when the second control mechanism controls the sticking strip on the rewinding shaft to go to the position of the film joint on the friction roller, the rewinding shaft stops rotating.

Description

A winding device capable of realizing fixed-point cutting on the winding core

technical field

The invention relates to the technical field of design of a winding device, in particular to a winding device capable of realizing fixed-point cutting on a winding core.

Background technique

Film winders are an essential part of the film production process, and there are various types of film winders. At present, in the film winding process, there are usually multiple winding stations on one winding frame, that is, corresponding to multiple winding shafts; the winding device in the prior art, when changing rolls at multiple stations, different stations When the rewinding shaft is connected to the film, it cannot be connected to the designated position on the surface of the die (that is, the location where the adhesive strip is set); this will easily lead to unevenness of the rewinding joint, which will cause wrinkles on the film after rewinding, which will affect the quality of the product. , and there will be a lot of waste generated.

Contents of the invention

In order to solve the above problems, the present invention provides a winding device capable of realizing fixed-point cutting on the core, including a base and a winding stand, and the winding stand includes a main shaft and several winding shafts, and the several winding shafts wind around The main shaft is evenly arranged in the circumferential direction, the two ends of the plurality of winding shafts are respectively fixedly connected to the main shaft through two side plates, and the winding shaft rotates relative to the side plates, and the two ends of the main shaft are rotatably installed On the base; a winding core is sleeved on the winding shaft, and an adhesive strip is arranged on the outer surface of the winding core in the axial direction; the winding device includes a first power mechanism that drives the main shaft to rotate and a second power mechanism that drives the plurality of rewinding shafts to rotate;

The winding device also includes a first control mechanism and a second control mechanism, the first control mechanism is used to control when each winding shaft on the winding frame turns to a working station where a friction roller is located, the winding frame stop rotating; when the second control mechanism controls the adhesive strip on the core to turn to the position of the film joint, the rewinding shaft stops rotating.

Preferably, the take-up shaft is an expansion shaft, and after the winding core is sleeved on the expansion shaft, the winding core and the expansion shaft are compressed and fixed.

Preferably, the first power mechanism includes a motor B and a worm gear mechanism, and the motor B drives the main shaft to rotate through the worm gear mechanism.

Preferably, the worm gear mechanism includes a worm wheel and a worm, the worm wheel is coaxially fixed on one end of the main shaft, the worm is fixed on the side of the base, and the worm is connected to the worm wheel meshing; the output shaft of the motor B is connected to the worm through a chain drive, and drives the worm to rotate.

Preferably, the second power mechanism includes a motor A and several sprocket gear sets, and a sprocket gear set is arranged on a side plate corresponding to one end of each winding shaft, wherein,

The sprocket gear set includes a sprocket D, a gear A and a second connecting shaft, the sprocket D and the gear A are fixedly sleeved on the second connecting shaft, and the second connecting shaft is rotatable Installed on the side plate; the end of the winding shaft is fixed with a gear B, and the gear B meshes with the gear A; the motor drives each of the sprockets D to rotate, thereby driving the winding The reels spin.

Preferably, the second power mechanism also includes a sprocket set and a bearing sleeve, and several sprocket gear sets share a sprocket set and a bearing sleeve; wherein,

The output shaft of the motor is provided with a sprocket A; the bearing sleeve is set on the main shaft;

The sprocket set includes a sprocket B, a sprocket C and a first connecting shaft, the sprocket B and the sprocket C are fixedly sleeved on the first connecting shaft, and the first connecting shaft is rotatable installed on the base;

The sprocket A is in transmission connection with the sprocket B, the sprocket B is in transmission connection with the outer ring of the bearing sleeve, and the sprocket D in each sprocket gear set is connected with the outer ring of the bearing sleeve. Circle transmission connection.

Preferably, the first control mechanism includes a matching sending plate A and a proximity switch A, the sending plate A is fixedly sleeved on one end of the main shaft, and the proximity switch is set on the base On the side of the seat and opposite to the sending plate A;

A number of induction parts are evenly arranged in the axial direction on the sending plate A, and the number of induction parts corresponds to a number of winding shafts one by one. When each winding shaft on the winding rack rotates to the working position of the friction roller, the The proximity switch senses the sensor at the corresponding position, the winding frame stops rotating, and the winding shaft at this station on the winding frame is located at the position of the friction roller.

Preferably, the second control mechanism includes a sending plate B and a proximity switch B. The proximity switch B is fixedly sleeved on the second connecting shaft and rotates together with the gear A. The proximity switch B is set on the side plate and is opposite to the sending plate B;

There is a notch on the sending disc B. During the self-propagation process of the rewinding shaft, the proximity switch B senses the notch on the sending disc B, and the rewinding shaft stops rotating. The adhesive strips correspond to the film joints on the friction roller.

Compared with the prior art, the present invention has the following advantages and positive effects due to the adoption of the above technical solutions:

The winding device provided by the present invention capable of realizing fixed-point cutting on the winding core, through the setting of the first control mechanism and the second control mechanism, ensures that when changing rolls at multiple stations, the winding shafts at different stations can be connected at the same time when the film is connected. The same position prevents wrinkles and other phenomena on the film after winding, ensures the quality and efficiency of film splicing, reduces the generation of waste, and improves product quality.

Description of drawings

The above and other features and advantages of the present invention can be more clearly understood through the following detailed description in conjunction with the accompanying drawings, wherein:

Fig. 1 is the front view of the winding device of the present invention;

Fig. 2 is a side view of the winding device of the present invention;

Fig. 3 is a partially enlarged schematic diagram in Fig. 1 of the present invention.

Symbol Description:

1-Rewinding shaft 2-Spool disk A 3-Proximity switch A

4-Sprocket A 5-Sprocket B 6-Sprocket C

7-Sprocket D 8-Chain 9-Gear A

10-Gear B 11-Motor A 12-Motor B

13-sprocket E 14-sprocket F 15-worm gear mechanism

151-worm gear 152-worm 16-winding frame

161-Spindle 162-Side plate 17-Sending tray B

18-proximity switch B 19-die 20-double-sided tape

21-Bottom frame 22-Wallboard 23-Bearing seat

24-cutting device 25-friction roller 26-first connecting shaft

27-second connecting shaft 28-bearing sleeve.

Detailed ways

The invention will be described in more detail hereinafter with reference to the accompanying drawings showing embodiments of the invention. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In these drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.

Referring to Figures 1-3, the present invention provides a winding device that can realize fixed-point cutting on the core, including a base and a winding frame (16) arranged on the base, used to place the friction roller (24) The film and other products on the film are wound onto the winding shaft of the winding rack (16); the present invention can ensure that the winding shafts of different stations can be connected at the same position when the film is connected to the film during multi-station roll change, ensuring that the film is connected smoothly. The quality and efficiency are reduced, and the generation of waste is reduced.

Specifically, the base includes a bottom frame (21) and two wall panels (22), the two wall panels (22) are vertically fixed on the bottom frame (21), and the two wall panels (22) are arranged symmetrically. The winding frame (16) includes a main shaft (161) and several winding shafts (1), and several winding shafts 162 are evenly arranged around the circumference of the main shaft (161), and the winding shaft (1) is parallel to the main shaft (161); The two ends of the main shaft (161) are respectively fixed with side plates 163, and the two ends of several winding shafts (1) are respectively connected to the side plates (162), so that several winding shafts (1) and the main shaft (161) are composed of One overall structure; the two ends of each winding shaft (1) can rotate relative to the connection with the side plate (162), that is, each winding shaft (1) can rotate relative to the entire winding frame (16), and the details can be Install by means of bearings, etc.; the winding shaft (1) adopts an expansion shaft, and each winding shaft (1) is sleeved with a pipe core (19). The pipe core (19) can specifically adopt a plastic pipe, etc.; when the pipe core ( 19) After being sleeved on the winding shaft (1), the winding shaft (1) expands so that the tube core (19) is closely attached to the winding shaft (1), thereby ensuring that the tube core (19) can rotate together with the winding shaft (1) ;The outer surface of the tube core (19) is provided with an adhesive strip (20) along its axial direction, and the adhesive strip (20) is used to stick the joint of the film; the friction roller (24) is pressed on the tube core (19) with the film , under the action of friction, the friction roller (24) rotates to drive the winding shaft (1) and the tube core (19) to rotate, so that the film is rolled onto the core (19); the adhesive strip (20) can be double-sided Adhesive tape, etc., are not limited here; the two ends of the main shaft (161) are respectively installed on the upper end faces of the two wallboards (22) through bearing seats 23, so that the winding frame (16) can rotate relative to the base as a whole.

In this embodiment, the winding device includes a first power mechanism, which is used to drive the winding frame (16) to rotate as a whole. Specifically, the first power mechanism includes a motor B (12) and a worm gear mechanism (15), and the worm gear machine (15) includes a worm gear (151) and a worm (152); the motor B (12) is fixedly installed on the bottom frame (21), the worm gear (151) is coaxially fixedly connected with one end of the main shaft (161), the worm (152) is mounted on the outer wall of the wallboard 22 through the worm bracket, and the worm gear (151) is meshed with the worm (152) ; The output shaft of the motor B (12) is provided with a sprocket E (13), the motor B (12) drives the worm (152) to rotate through the sprocket E (13), and the worm (152) drives the worm (151) to rotate, and the worm (151) drives the main shaft (161) to rotate again, thereby drives the whole winding stand (16) to rotate.

In this embodiment, the winding device further includes a second power mechanism, which is used to drive the winding shaft (1) to rotate itself. Specifically, the second power mechanism includes motor A (11), sprocket A (4), sprocket B (5), sprocket C (6), sprocket D (7), gear A (9) and gear B (10), motor A (11) is fixed on the bottom frame (21), and the output shaft of motor A (11) is connected with sprocket A (4); sprocket B (5) and sprocket C (6 ) is coaxially set and connected through the first connecting shaft (26) to form an integral structural sprocket group, and is fixed to the wallboard (22) through the first connecting shaft (26), and the first connecting shaft (26) passes through bearings, etc. installed on the wallboard (22) in the same way; sprocket B (5) and sprocket C (6) are fixedly sleeved on the first connecting shaft (26), and sprocket B (5) and sprocket C (6) They are respectively located on both sides of the wallboard (22); the sprocket D (7) and the gear A (9) are connected coaxially through the second connecting shaft (27) to form an integral structure, and are fixed by the second connecting shaft (27) On the side plate (162) on one side of the winding frame, the second connecting shaft (27) is installed on the side plate (162) through bearings, etc., and the sprocket D (7) and gear A (9) are fixedly sleeved On the second connecting shaft; the gear B (10) is fixedly sleeved on one end of the winding shaft (1), and the gear B (10) is meshed with the gear A (9).

At least one rewinding shaft (1) is provided on the rewinding rack, and in this embodiment, four rewinding shafts (1) are provided, corresponding to four rewinding stations; All are provided with gear B (10), and one end of each winding shaft (1) is provided with a set of integral mechanism composed of sprocket D (7) and gear A (9) at the corresponding position of side plate (162). Sprocket gear set; the sprocket D (7) connected to the ends of the four winding shafts (1) is connected to a set of outer rings of the bearing sleeve (28) on the main shaft (161) to realize transmission; the bearing sleeve ( The outer ring of 28) is also connected with the sprocket C (6) to realize transmission, so as to achieve the effect that four winding shafts (1) can be rotated by one motor A (11).

The sprocket A (4) drives the sprocket B (5) to rotate through the chain. Since the sprocket C (6) and the sprocket B (5) are coaxially fixed to the first connecting shaft (26), the sprocket C ( 6) Rotate together with the sprocket B (5); the sprocket B (5) drives the outer ring of the bearing sleeve (28) to rotate through the chain, thereby driving the sprocket D (7) corresponding to each winding shaft (1) to rotate ; Since sprocket D (7) and gear A (9) are coaxially fixed on the second connecting shaft (27), each gear A (9) rotates with each sprocket D (7); each gear B (10 ) meshes with each gear A (9), and gear A (9) drives gear B (10) to rotate, so that each gear B (10) drives each rewinding shaft (1) to rotate, so that the film can be wound into the tube Core 19 on. Among them, sprocket B (5) and sprocket C (6) play a transitional role. Of course, the implementation of the second power mechanism is not limited thereto, and can also be adjusted according to specific conditions.

In this embodiment, the winding device further includes a first control mechanism and a second control mechanism. The first control mechanism is used to control when the winding shaft (1) on each station on the winding rack (16) turns to When the friction roller (24) is at the position, the winding frame 26 stops rotating; the second control mechanism is used to control the sticking strip on each winding shaft (1) to turn to the position of the film joint, and the winding shaft (1) stops rotating.

Specifically, the second control mechanism includes a sending plate B (17) and a proximity switch B (18). The sending plate B (17) is fixedly sleeved on one end of the main shaft (161), and is connected with the main shaft (161). Turn; the proximity switch B (18) is set on the side plate (163), and is opposite to the sending plate B (17); the side of the sending plate B (17) opposite to the proximity switch B (18) is evenly arranged A plurality of induction parts, each induction part corresponds to the winding shaft (1) on each station (there are several work positions, there will be several induction parts), and the induction parts can specifically adopt devices such as induction screws. The motor B (12) drives the winding frame (16) to rotate one station, when the sensor on the sending plate B (17) senses the proximity switch B (18), the winding frame (16) stops moving, at this time The winding shaft (1) is transferred from the waiting station to the position of the friction roller (24) (i.e. the working station), so as to ensure that the film on the friction roller (24) can be quickly transferred to the tube core ( 19) On.

A second control mechanism is provided at the corresponding position at one end of each winding shaft (1), and the second control mechanism includes a sending plate A (2) and a proximity switch A (3), and the sending plate A (2) is fixed Installed on the first connecting shaft (26) at the corresponding position of each winding shaft (1), and rotates together with the gear A (9); the proximity switch A (3) is fixed on the side plate (162), and is connected with The sending disk A (2) is opposite, and there is a gap on the sending disk A (2); during the rotation process, the gap on the sending disk A (2) turns to the proximity switch A (3), and the proximity switch A (3) ) senses the gap on the sending disk A (2), and the rewinding shaft (1) stops moving. At this time, the adhesive strip (20) on the outer surface of the tube core (19) of the winding shaft (1) is just facing the position of the joint of the film on the friction roller (24), so as to ensure that the friction roller (24) rotates and works At the same time, the joint pressing the film is pasted on the sticking strip (20) of the tube core (19); thereby ensuring that when changing rolls at multiple stations (that is, the winding shaft (1) repeats changing rolls N times), the different positions of the winding Reel (1) When the film is connected, the film joint can be connected to the same position on the reel (that is, the position where the adhesive strip is set), so as to prevent wrinkles and other phenomena on the film after rewinding, reduce the generation of waste, and improve product quality.

The present invention provides a winding device that can realize fixed-point cutting, and its working principle is as follows:

The winding device provided by the present invention works together with the cutting device and the friction roller (24) driving the film. Station.

First, the motor B (12) is started, and the winding frame (16) is driven to rotate through the worm gear mechanism (15), and at the same time, the sending plate B (17) rotates together with the main shaft (161); when the proximity switch B (18) senses After one of the induction parts is installed on the sending plate B (17), the winding frame (16) stops rotating, and at this time, a winding shaft (1) in the winding frame (1) moves to the position where the friction roller (24) is located .

Then, start the motor A (11), and the motor A (11) drives the winding shaft (1) to rotate through the second transmission mechanism. When the proximity switch A3 senses the gap on the sending disk A2, the winding shaft 1 stops rotating. When the adhesive tape (20) on the winding shaft (1) is just opposite to the film joint on the friction roller (24); the friction roller (24) is pressed on the core surface of the winding shaft (1) with the film, and makes the film The joint is pressed on the adhesive tape (20); after the film joint is connected to the adhesive tape (20), the friction roller (24) rotates, and under the action of friction, the winding shaft (1) and the tube core (19) are driven to rotate together , the tube core (19) rotates so that the film is wound onto the tube core (19) on the winding shaft (1);

Until a tube core (19) is finished winding, the friction roller (24) stops working, and then starts the motor B (12), so that the next winding shaft is transferred from the waiting station to the working station, and passes through the cutting device ( 24) Cut the film at the designated position of the working station (that is, ensure that the position of the film interface is uniform); then start the motor A (11) and repeat the above steps.

The design and control method of this mechanism provided by the present invention can ensure that the winding shafts of different stations can be connected at the same position when the film is spliced during multi-station roll change, ensuring the quality and efficiency of the film splicing and reducing the generation of waste.

Those skilled in the art will appreciate that the present invention may be embodied in many other specific forms without departing from the spirit or scope of the invention. Although embodiments of the present invention have been described, it should be understood that the present invention should not be limited to these embodiments, and that changes and modifications may be made by those skilled in the art within the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A winding device that can realize fixed-point cutting on the winding core, it is characterized in that it includes a base and a winding stand, and the winding stand includes a main shaft and several winding shafts, and the several winding shafts wind around the main shaft Evenly arranged in the circumferential direction, the two ends of the plurality of winding shafts are respectively fixedly connected to the main shaft through two side plates, and the winding shafts rotate relative to the side plates, and the two ends of the main shaft are rotatably installed on the on the base; the winding shaft is covered with a roll core, and an adhesive strip is arranged on the outer surface of the roll core in the axial direction; the roll-up device includes a first power mechanism that drives the main shaft to rotate and drives the Describe the second power mechanism for the rotation of several rewinding shafts; The winding device also includes a first control mechanism and a second control mechanism, the first control mechanism is used to control when each winding shaft on the winding frame turns to a working station where a friction roller is located, the winding frame stop rotating; when the second control mechanism controls the adhesive strip on the core to turn to the position of the film joint, the rewinding shaft stops rotating; The second power mechanism includes a motor A and several sprocket gear sets, and a sprocket gear set is arranged on a side plate corresponding to one end of each winding shaft, wherein the sprocket gear set includes a chain Wheel D, gear A and the second connecting shaft, the sprocket D and gear A are fixedly sleeved on the second connecting shaft, and the second connecting shaft is rotatably mounted on the side plate; The fixed sleeve on the end of the rewinding shaft is provided with a gear B, and the gear B meshes with the gear A; the motor drives each of the sprockets D to rotate, thereby driving the rewinding shaft to rotate; The second control mechanism includes a sending plate B and a proximity switch B. The proximity switch B is fixedly sleeved on the second connecting shaft and rotates together with the gear A. The proximity switch B is set on the The side plate is opposite to the sending plate B; there is a gap on the sending plate B, and the proximity switch B senses the gap on the sending plate B during the self-propagation process of the winding shaft , the winding shaft stops rotating, and the adhesive strip on the winding shaft corresponds to the film joint on the friction roller. 2. The winding device capable of realizing fixed-point cutting on the winding core according to claim 1, wherein the winding shaft adopts an expansion shaft, and after the winding core is sleeved on the expansion shaft, the winding The core and the expansion shaft are compressed and fixed. 3. The winding device capable of realizing fixed-point cutting on the winding core according to claim 1, wherein the first power mechanism includes a motor B and a worm gear mechanism, and the motor B drives the motor through the worm gear mechanism. The spindle turns. 4. The winding device capable of realizing fixed-point cutting on the winding core according to claim 3, wherein the worm gear mechanism comprises a worm wheel and a worm, and the worm wheel is coaxially fixed on one end of the main shaft, so that The worm is fixed on the side of the base, and the worm is meshed with the worm wheel; the output shaft of the motor B is connected to the worm through a chain drive, and drives the worm to rotate. 5. The winding device capable of realizing fixed-point cutting on the winding core according to claim 1, wherein the second power mechanism also includes a sprocket set and a bearing sleeve, and several sprocket gear sets share a sprocket group and bearing housing; where, The output shaft of the motor is provided with a sprocket A; the bearing sleeve is set on the main shaft; The sprocket set includes a sprocket B, a sprocket C and a first connecting shaft, the sprocket B and the sprocket C are fixedly sleeved on the first connecting shaft, and the first connecting shaft is rotatable installed on the base; The sprocket A is in transmission connection with the sprocket B, the sprocket B is in transmission connection with the outer ring of the bearing sleeve, and the sprocket D in each sprocket gear set is connected with the outer ring of the bearing sleeve. Circle transmission connection. 6. The winding device capable of fixed-point cutting on the core according to claim 1, wherein the first control mechanism includes a matching sending plate A and a proximity switch A, and the sending plate A is fixedly sleeved on one end of the main shaft, and the proximity switch is arranged on the side of the base and opposite to the sending plate A; A number of induction parts are evenly arranged in the axial direction on the sending plate A, and the number of induction parts corresponds to a number of winding shafts one by one. When each winding shaft on the winding rack rotates to the working position of the friction roller, the The proximity switch senses the sensor at the corresponding position, the winding frame stops rotating, and the winding shaft at this station on the winding frame is located at the position of the friction roller.