CN113844931A - Automatic splicing and belt pressing device - Google Patents
Automatic splicing and belt pressing device Download PDFInfo
- Publication number
- CN113844931A CN113844931A CN202111176930.9A CN202111176930A CN113844931A CN 113844931 A CN113844931 A CN 113844931A CN 202111176930 A CN202111176930 A CN 202111176930A CN 113844931 A CN113844931 A CN 113844931A
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- Prior art keywords
- splicing
- roller
- fixed
- cylinder
- telescopic shaft
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/20—Cutting-off the expiring web
Landscapes
- Replacement Of Web Rolls (AREA)
Abstract
The application discloses automatic splicing and press belt assembly includes: turning over the frame; a first telescopic shaft, a second telescopic shaft, a first fixed roller and a second fixed roller are arranged on the overturning rack; the first telescopic shaft and the second telescopic shaft are arranged in bilateral symmetry along a rotating shaft of the turnover rack; the first fixed roller and the second fixed roller are arranged up and down symmetrically along the rotating shaft of the turnover rack; the overturning rack is also provided with a first belt receiving roller, a first cylinder, a first connecting rod, a second belt receiving roller, a second cylinder and a second connecting rod; one end of the first connecting rod is connected with the first belt receiving roller, and the other end of the first connecting rod is hinged with a piston rod of the first air cylinder; one end of the second connecting rod is connected with the second belt receiving roller, and the other end of the second connecting rod is hinged with a piston rod of the second air cylinder. The invention has simple structure, easy operation and high splicing success rate, and simultaneously has the function of preventing the rolling and pressing belt from loosening.
Description
Technical Field
The application relates to the technical field of lithium battery pole pieces or film production equipment, in particular to an automatic splicing and belt pressing device.
Background
In the lithium battery coating machine or film production industry, in order to realize successful tape splicing, the contact point of a pole piece or film and an adhesive tape and the action time of a cutter need to be accurately controlled.
The trade adopts swing arm cutter splicing as the owner at present, its shortcoming is when unreeling the splicing, because unreel supplied material pole piece or film diameter variation in size, the movement track of swing arm cutter is the circular arc line, it is the circular arc line also exactly to connect the tape point, original swing arm cutter position best splicing position only has a segment circular arc when designing the swing arm rotation point, it can the splicing still respectively to have a section circular arc outside this segment circular arc both ends, it is more easy splicing failure when keeping away from best splicing position more, also be supplied material roll footpath interval big more, fail more easily, the condition of splicing failure appears easily, and whole set of swing arm cutter mechanism cost is higher. In addition, when the winding diameter is larger, the external pole piece or film is easy to loosen during tape splicing due to the tension and taper change of the winding base material, and the tape splicing action needs to be completed in the manual light pressing process.
Disclosure of Invention
The embodiment of the application provides an automatic splicing and pressing belt device, its simple structure, the handling ease, the splicing success rate is high, possesses the rolling simultaneously and presses locking function of area.
In view of this, the present application provides an automatic splicing and tape pressing device, including: turning over the frame;
a first telescopic shaft, a second telescopic shaft, a first fixed roller and a second fixed roller are arranged on the overturning rack;
the first telescopic shaft and the second telescopic shaft are arranged in bilateral symmetry along a rotating shaft of the turnover rack;
the first fixed roller and the second fixed roller are arranged up and down symmetrically along the rotating shaft of the turnover rack;
the overturning machine frame is also provided with a first belt receiving roller, a first cylinder, a first connecting rod, a second belt receiving roller, a second cylinder and a second connecting rod;
one end of the first connecting rod is connected with the first belt splicing roller, and the other end of the first connecting rod is hinged with a piston rod of the first air cylinder;
one end of the second connecting rod is connected with the second belt splicing roller, and the other end of the second connecting rod is hinged with a piston rod of the second air cylinder.
Optionally, a first supporting rod and a second supporting rod are arranged on the overturning rack;
the first supporting rod and the second supporting rod are arranged up and down symmetrically along the rotating shaft of the turnover rack;
the first fixing roller and the second fixing roller are respectively fixed at the top of the first supporting rod and the bottom of the second supporting rod.
Optionally, the first cylinder is fixed on the second support rod through a first mounting seat;
the second cylinder is fixed on the first supporting rod through a second mounting seat.
Optionally, the first support rod faces one side of the first telescopic shaft, and the second support rod faces one side of the second telescopic shaft, and a roll diameter measuring sensor is arranged on each side of the first support rod and the second support rod.
Optionally, the method further comprises: a controller;
the roll diameter measuring sensor is electrically connected with the controller;
the controller is electrically connected with the first cylinder and the second cylinder respectively.
Optionally, the method further comprises: fixing the frame;
and a third fixed roller, a belt splicing rubber roller and a belt splicing cutter are sequentially arranged on the fixed rack from top to bottom.
Optionally, a sliding seat capable of sliding back and forth on the fixed frame along the horizontal direction is arranged on the fixed frame;
the tape splicing rubber roll and the tape splicing cutter are both positioned on the sliding seat, and the sliding seat is provided with a third cylinder for driving the tape splicing rubber roll to move back and forth and a driving device for driving the tape splicing cutter to rotate;
the third cylinder is in driving connection with the tape splicing rubber roll, and the driving device is in driving connection with the tape splicing cutter.
Optionally, a slide rail is arranged on the fixed rack along the horizontal direction;
the sliding seat is connected with the fixed rack in a sliding mode through the sliding rail.
Optionally, a correlation sensor for detecting the position of the substrate is further arranged on the sliding seat;
the correlation sensor is electrically connected with the third cylinder and the driving device respectively.
Optionally, the third fixed roller is fixed on the sliding seat.
According to the technical scheme, the embodiment of the application has the following advantages: this automatic take-up and press belt assembly is through utilizing first cylinder and second cylinder to control the position of first take-up roller and second take-up roller respectively, make first take-up roller and second take-up roller become the live-rollers, the position is variable, thereby the trend of substrate when controlling the take-up easily, guarantee that the roll footpath size is different, take-up point is at central horizontal position all the time, the take-up success rate is higher, and can regard the second take-up roller as the compression roller to use when the rolling, press the automatic pressure down of second take-up roller by second cylinder drive, need not artificial intervention, realize that the rolling is pressed the locking function in area. The automatic splicing and belt pressing device can adapt to pole pieces or films with different winding diameters, contact points of the pole pieces or films with different winding diameters and the adhesive tape are kept consistent, control is convenient, splicing success rate is high, meanwhile, the whole structure is simple, the winding and unwinding structure is universal, and cost is low.
Drawings
FIG. 1 is a schematic structural diagram of an automatic tape splicing and tape pressing device during unwinding in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of an automatic belt splicing and pressing device during winding in the embodiment of the present application;
wherein the reference numerals are:
1-a second telescopic shaft, 2-a first telescopic shaft, 3-a base material, 4-a second fixed roller, 5-a first tape receiving roller, 6-a first air cylinder, 7-a tape receiving cutter, 8-a tape receiving rubber roller, 9-a third fixed roller, 10-a first fixed roller, 11-a second tape receiving roller, 12-a second air cylinder, 13-a roll diameter measuring sensor, 14-a correlation sensor, 15-a first support rod and 16-a second support rod.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The present application provides an embodiment of an automatic belt splicing and pressing device, and particularly refers to fig. 1 and 2.
The automatic belt splicing and pressing device in the embodiment comprises: the frame overturns, be provided with first telescopic shaft 2 in the frame overturns, second telescopic shaft 1, first fixed roll 10 and second fixed roll 4, first telescopic shaft 2 sets up along the pivot bilateral symmetry of frame overturns with second telescopic shaft 1, first fixed roll 10 sets up along the pivot longitudinal symmetry of frame overturns with second fixed roll 4, still be provided with first take over roller 5 in the frame overturns, first cylinder 6, first connecting rod, second take over roller 11, second cylinder 12 and second connecting rod, the one end and the first roller 5 of taking over are connected, the other end is articulated with the piston rod of first cylinder 6, the one end and the second of second connecting rod take over roller 11 to be connected, the other end is articulated with the piston rod of second cylinder 12.
It should be noted that: this automatic take-up and press belt assembly is through utilizing first cylinder 6 and second cylinder 12 to control the position of first take-up roller 5 and second take-up roller 11 respectively, make first take-up roller 5 and second take-up roller 11 become the live-rollers, the position is variable, thereby the trend position of substrate 3 when easy control takes up, guarantee that the roll diameter size is different, the take-up point is at central horizontal position all the time, the take-up success rate is higher, and can regard second take-up roller 11 as the compression roller to use when the rolling (when the great receipts of roll diameter are not tight), drive second take-up roller 11 by second cylinder 12 and push down automatically, supplementary rolling is tightened up, need not manual intervention, realize the locking function of rolling area. The automatic splicing and belt pressing device can adapt to pole pieces or films with different winding diameters, contact points of the pole pieces or films with different winding diameters and the adhesive tape are kept consistent, control is convenient, splicing success rate is high, meanwhile, the whole structure is simple, the winding and unwinding structure is universal, and cost is low.
The above is a first embodiment of an automatic belt splicing and pressing device provided in the embodiments of the present application, and the following is a second embodiment of an automatic belt splicing and pressing device provided in the embodiments of the present application, and refer to fig. 1 and fig. 2 specifically.
The automatic belt splicing and pressing device in the embodiment comprises: the overturning machine frame can overturn by 360 degrees by taking a rotating shaft of the overturning machine frame as a central point, so that the overturning and roll changing functions are realized; be provided with first telescopic shaft 2 in the upset frame, second telescopic shaft 1, first fixed roll 10 and the fixed roller 4 of second, first telescopic shaft 2 sets up along the pivot bilateral symmetry of upset frame with second telescopic shaft 1, first fixed roll 10 sets up along the pivot longitudinal symmetry of upset frame with the fixed roller 4 of second, still be provided with first tape splicing roller 5 in the upset frame, first cylinder 6, first connecting rod, second tape splicing roller 11, second cylinder 12 and second connecting rod, the one end and the first tape splicing roller 5 of first connecting rod are connected, the other end is articulated with the piston rod of first cylinder 6, the one end and the second of second connecting rod take roller 11 to be connected, the other end is articulated with the piston rod of second cylinder 12.
Specifically, a first supporting rod 15 and a second supporting rod 16 are arranged on the overturning rack, the first supporting rod 15 and the second supporting rod 16 are arranged in an up-down symmetrical mode along a rotating shaft of the overturning rack, and the first fixing roller 10 and the second fixing roller 4 are fixed to the top of the first supporting rod 15 and the bottom of the second supporting rod 16 respectively.
The first cylinder 6 is fixed on the second support bar 16 through a first mounting seat, and the second cylinder 12 is fixed on the first support bar 15 through a second mounting seat.
The side of the first support rod 15 facing the first telescopic shaft 2 and the side of the second support rod 16 facing the second telescopic shaft 1 are both provided with a roll diameter measuring sensor 13.
Further comprising: the controller is electrically connected with the roll diameter measuring sensor 13, the controller is electrically connected with the first air cylinder 6 and the second air cylinder 12 respectively, when the roll diameter measuring sensor 13 detects that the base material 3 on the second telescopic shaft 1 reaches a set value, a feedback signal is sent to the controller, the controller controls the first air cylinder 6 or the second air cylinder 12 to move so as to adjust the positions of the first tape receiving roller 5 and the second tape receiving roller 11, and automatic tape receiving action during unreeling or reeling is achieved.
Further comprising: the device comprises a fixed frame, wherein a third fixed roller 9, a tape splicing rubber roller 8 and a tape splicing cutter 7 are sequentially arranged on the fixed frame from top to bottom.
A sliding seat which can slide back and forth on the fixed frame along the horizontal direction is arranged on the fixed frame; the tape splicing rubber roll 8 and the tape splicing cutter 7 are both positioned on the sliding seat, and the sliding seat is provided with a third cylinder for driving the tape splicing rubber roll 8 to move back and forth and a driving device for driving the tape splicing cutter 7 to rotate; the third cylinder is in driving connection with a belt splicing rubber roller 8, and the driving device is in driving connection with a belt splicing cutter 7. The tape splicing rubber roll 8 can move towards the first telescopic shaft 2 under the driving of the third cylinder, and has the function of tightly pressing the base material 3 and the adhesive tape on the new and old (correspondingly unreeled and reeled) rolls during tape splicing so as to splice the tapes; the tape splicing cutter 7 can cut off the base material 3 under the driving of the driving device to separate the old roll.
It can be understood that: the positions of the first tape receiving roller 5 and the second tape receiving roller 11 are respectively controlled by the first air cylinder 6 and the second air cylinder 12, so that the tape receiving point is always in the central horizontal position when the sizes of the roll diameters are different, the advancing time of the tape receiving rubber roller 8 can be determined by measuring the detection value of the roll diameter sensor 13, the tape receiving cutter 7 starts to act when the opposite jet sensor 14 in front of the tape receiving rubber roller 8 detects a roll material, and the tape receiving success rate is higher.
The fixed frame is provided with a slide rail along the horizontal direction, and the sliding seat is connected with the fixed frame in a sliding manner through the slide rail.
The sliding seat is further provided with a correlation sensor 14 for detecting the position of the substrate 3, the correlation sensor 14 is electrically connected with the third cylinder and the driving device respectively, the third cylinder and the driving device can be controlled by the controller, namely, the correlation sensor 14 is electrically connected with the controller, and the controller is electrically connected with the third cylinder and the driving device respectively. When the correlation sensor 14 detects the substrate 3 on the first telescopic shaft 2, the piston rod of the third cylinder extends out to press the tape splicing rubber roll 8 and the substrate 3 on the first telescopic shaft 2, and meanwhile, the driving device drives the tape splicing cutter 7 to rotate clockwise to complete automatic tape splicing.
It can be understood that the third fixed roller 9 may be fixed on the sliding seat and move together with the splicing rubber roller 8, the splicing cutter 7 and the correlation sensor 14, or the third fixed roller 9 may be fixed on the fixed frame separately, which may be specifically configured according to the actual situation, and is not limited herein.
In the specific implementation, the substrate 3 is introduced into the next step through the second fixing roller 4, the first tape splicing roller 5 and the third fixing roller 9.
When unreeling: when the roll diameter measuring sensor 13 detects that the base material 3 of the second telescopic shaft 1 is smaller than a set value, the first air cylinder 6 is controlled to drive the first tape receiving roller 5 to reach a proper position (as shown in fig. 1), at the moment, the sliding seat is controlled to move towards the direction of the first telescopic shaft 2, when the opposite jet sensor 14 detects the base material 3 on the first telescopic shaft 2, the piston rod of the third air cylinder is controlled to extend out, the tape receiving rubber roller 8 is tightly pressed against the base material 3 on the first telescopic shaft 2, and meanwhile, the driving device drives the tape receiving cutter 7 to rotate clockwise, so that automatic tape receiving is completed.
During rolling: when a roll diameter measuring sensor 13 detects that a base material 3 of a second telescopic shaft 1 reaches a set value, a second air cylinder 12 drives a second tape receiving roller 11 to reach a proper position (shown in figure 2), and further the base material 3 on the second telescopic shaft 1 is compressed to assist in rolling, when the roll is continuously rolled to be changed, the second air cylinder 12 drives the second tape receiving roller 11 to be separated from the base material 3, then a first air cylinder 6 drives a first tape receiving roller 5 to reach the proper position, a sliding seat is controlled to move towards the direction of a first telescopic shaft 2, when an opposite-jet sensor 14 detects the base material 3 on the first telescopic shaft 2, a piston rod of a third air cylinder is controlled to extend out, so that a tape receiving rubber roller 8 is compressed with the base material 3 on the first telescopic shaft 2, and meanwhile, a driving device drives a tape receiving cutter 7 to rotate clockwise, and automatic tape receiving action is completed.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. The utility model provides an automatic splicing and press belt assembly, its characterized in that includes: turning over the frame;
a first telescopic shaft, a second telescopic shaft, a first fixed roller and a second fixed roller are arranged on the overturning rack;
the first telescopic shaft and the second telescopic shaft are arranged in bilateral symmetry along a rotating shaft of the turnover rack;
the first fixed roller and the second fixed roller are arranged up and down symmetrically along the rotating shaft of the turnover rack;
the overturning machine frame is also provided with a first belt receiving roller, a first cylinder, a first connecting rod, a second belt receiving roller, a second cylinder and a second connecting rod;
one end of the first connecting rod is connected with the first belt splicing roller, and the other end of the first connecting rod is hinged with a piston rod of the first air cylinder;
one end of the second connecting rod is connected with the second belt splicing roller, and the other end of the second connecting rod is hinged with a piston rod of the second air cylinder.
2. The automatic splicing and taping device of claim 1, wherein the flipping frame is provided with a first support bar and a second support bar;
the first supporting rod and the second supporting rod are arranged up and down symmetrically along the rotating shaft of the turnover rack;
the first fixing roller and the second fixing roller are respectively fixed at the top of the first supporting rod and the bottom of the second supporting rod.
3. The automatic splicing and taping device of claim 2, wherein the first cylinder is fixed to the second support rod by a first mount;
the second cylinder is fixed on the first supporting rod through a second mounting seat.
4. The automatic splicing and pressing device of claim 2, wherein a roll diameter measuring sensor is disposed on one side of the first support rod facing the first telescopic shaft and one side of the second support rod facing the second telescopic shaft.
5. The automatic splicing and taping device of claim 4, further comprising: a controller;
the roll diameter measuring sensor is electrically connected with the controller;
the controller is electrically connected with the first cylinder and the second cylinder respectively.
6. The automatic splicing and taping device of claim 1, further comprising: fixing the frame;
and a third fixed roller, a belt splicing rubber roller and a belt splicing cutter are sequentially arranged on the fixed rack from top to bottom.
7. The automatic splicing and taping device of claim 6, wherein the fixed frame is provided with a sliding seat which can slide back and forth on the fixed frame in a horizontal direction;
the tape splicing rubber roll and the tape splicing cutter are both positioned on the sliding seat, and the sliding seat is provided with a third cylinder for driving the tape splicing rubber roll to move back and forth and a driving device for driving the tape splicing cutter to rotate;
the third cylinder is in driving connection with the tape splicing rubber roll, and the driving device is in driving connection with the tape splicing cutter.
8. The automatic splicing and pressing device of claim 7, wherein a slide rail is horizontally disposed on the fixed frame;
the sliding seat is connected with the fixed rack in a sliding mode through the sliding rail.
9. The automatic splicing and taping device of claim 7, wherein the slide base is further provided with an opposite-direction sensor for detecting the position of the substrate;
the correlation sensor is electrically connected with the third cylinder and the driving device respectively.
10. The automated splicing and taping apparatus of claim 7, wherein the third fixed roller is fixed to the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176930.9A CN113844931A (en) | 2021-10-09 | 2021-10-09 | Automatic splicing and belt pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176930.9A CN113844931A (en) | 2021-10-09 | 2021-10-09 | Automatic splicing and belt pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113844931A true CN113844931A (en) | 2021-12-28 |
Family
ID=78977867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111176930.9A Pending CN113844931A (en) | 2021-10-09 | 2021-10-09 | Automatic splicing and belt pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113844931A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0930692A (en) * | 1995-07-18 | 1997-02-04 | Toshiba Mach Co Ltd | Film takeup device |
| JPH09124195A (en) * | 1995-11-06 | 1997-05-13 | Toshiba Mach Co Ltd | Contact pressure roll controlling method for rolling machine and device therefor |
| CN102658987A (en) * | 2012-04-28 | 2012-09-12 | 广东达诚机械有限公司 | Central winding machine |
| CN106395473A (en) * | 2016-10-15 | 2017-02-15 | 深圳市海目星激光科技有限公司 | Automatic reel changing and tape splicing device for unreeling of coil material |
| CN206494556U (en) * | 2016-12-08 | 2017-09-15 | 佛山市金银河智能装备股份有限公司 | A kind of automatic turning tape splicing receives coil replacing mechanism |
| CN110104485A (en) * | 2019-06-11 | 2019-08-09 | 深圳市恒捷自动化有限公司 | A kind of lower cutter on coating machine unreels tape splicing mechanism |
-
2021
- 2021-10-09 CN CN202111176930.9A patent/CN113844931A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0930692A (en) * | 1995-07-18 | 1997-02-04 | Toshiba Mach Co Ltd | Film takeup device |
| JPH09124195A (en) * | 1995-11-06 | 1997-05-13 | Toshiba Mach Co Ltd | Contact pressure roll controlling method for rolling machine and device therefor |
| CN102658987A (en) * | 2012-04-28 | 2012-09-12 | 广东达诚机械有限公司 | Central winding machine |
| CN106395473A (en) * | 2016-10-15 | 2017-02-15 | 深圳市海目星激光科技有限公司 | Automatic reel changing and tape splicing device for unreeling of coil material |
| CN206494556U (en) * | 2016-12-08 | 2017-09-15 | 佛山市金银河智能装备股份有限公司 | A kind of automatic turning tape splicing receives coil replacing mechanism |
| CN110104485A (en) * | 2019-06-11 | 2019-08-09 | 深圳市恒捷自动化有限公司 | A kind of lower cutter on coating machine unreels tape splicing mechanism |
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