CN212892917U

CN212892917U - Adhesive tape unwinding mechanism with brake

Info

Publication number: CN212892917U
Application number: CN202021774589.8U
Authority: CN
Inventors: 付宗生
Original assignee: Qingdao Yulong Packaging Equipment Co ltd
Current assignee: Qingdao Yulong Packaging Equipment Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-06
Anticipated expiration: 2030-08-21

Abstract

The utility model relates to the technical field of unwinding equipment, in particular to a rubber belt unwinding mechanism with a brake, which comprises an unwinding unit, a fixed support, a movable support, a driving unit, a brake unit and a splicing frame, wherein the fixed support and the movable support are respectively connected at two ends of the splicing frame in a matching way; two ends of the unreeling unit are respectively connected to the fixed support and the movable support; the driving unit is in transmission connection with the unreeling unit; the driving unit is connected to the brake unit; the brake unit is connected to the assembling frame; an object of the utility model is to provide a sticky tape unwinding mechanism of area brake can unreel the in-process at the sticky tape and realize stable brake, and the sticky tape keeps dragging tight state after the brake, improves the quality of electric core rubberizing.

Description

Adhesive tape unwinding mechanism with brake

Technical Field

The utility model relates to an unwinding equipment technical field, more specifically say, relate to a sticky tape unwinding mechanism of area brake.

Background

The adhesive tape is pasted on the pole piece through the adhesive tape pasting device in the existing automatic lithium battery winding machine or the existing lithium battery flaker, so that the adhesive tape unwinding mechanism is required to convey the adhesive tape to the adhesive tape pasting device, the adhesive tape is required to be prepared on the adhesive tape pasting device, time intervals are provided for the adhesive tape preparation, the adhesive tape is not required to be continuously unwound, the adhesive tape is required to be periodically braked to stop unwinding, and the adhesive tape unwinding mechanism in the prior art is inconvenient for stable braking operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sticky tape unwinding mechanism of area brake can unreel the in-process at the sticky tape and realize stable brake, and the sticky tape keeps dragging tight state after the brake, improves the quality of electric core rubberizing.

In order to achieve the purpose, the application provides a tape unwinding mechanism with a brake, which comprises an unwinding unit, a fixed support, a movable support, a driving unit, a brake unit and a splicing frame, wherein the fixed support and the movable support are respectively connected to two ends of the splicing frame in a matched manner; two ends of the unreeling unit are respectively connected to the fixed support and the movable support; the driving unit is in transmission connection with the unreeling unit; the driving unit is connected to the brake unit; the brake unit is connected to the assembling frame.

Optionally, the unwinding unit comprises an unwinding roller, a fixed blocking disc, a movable blocking disc, a worm wheel, a worm, a rod seat and a friction linkage disc; two ends of the unwinding roller are respectively and rotatably connected to the fixed support and the movable support; a fixed baffle disc is fixedly connected to the unwinding roller and is arranged close to the fixed support; the unwinding roller is connected with a movable baffle disc in a threaded fit manner, and the movable baffle disc is arranged close to the movable support; one end of the unwinding roller is fixedly connected with a worm wheel; the worm is in meshed transmission connection with the worm wheel; the worm is rotationally connected to the rod seat; the rod seat is fixedly connected to the fixed support; the friction linkage disc is fixedly connected to one end of the worm; the driving unit is in transmission connection with the friction linkage disc.

Optionally, a screwing nut is fixedly connected to the outer end face of the movable baffle disc; the screwing nut is sleeved on the unwinding roller.

Optionally, the movable support comprises a lifting support, a lifting carriage, a linkage block, a lifting screw and a lifting rotating block; the lifting support is fixedly connected to the lifting carriage; the middle part of the lifting sliding frame is in sliding fit with the assembling frame; the lower end of the lifting sliding frame is fixedly connected with a linkage block; the linkage block is matched with the middle part of the lifting screw rod through threads; the upper end of the lifting screw is connected to the assembling frame in a rotating fit manner; the top end of the lifting screw is fixedly connected with the lifting rotating block; one end of the unwinding roller is connected in an opening groove in the top of the lifting support in a rotating fit mode.

Optionally, the driving unit includes a driving motor, a driving shaft, a friction transmission disc, an adjusting screw and a fixing seat; an output shaft of the driving motor is in transmission connection with a driving shaft through a coupler; the middle part of the driving shaft is connected with a friction transmission disc in a sliding fit manner; the upper end and the lower end of the driving shaft are respectively fixedly connected with a fixed seat; the middle part of the adjusting screw is matched on the friction drive disc through threads, and the upper end and the lower end of the adjusting screw are rotatably connected to the two fixed seats; the friction transmission disc is vertically connected with the friction linkage disc in a friction transmission manner; the driving motor is fixedly connected to the brake unit.

Optionally, the drive unit further comprises a tension spring; the tensioning spring is sleeved on the adjusting screw rod, and two ends of the tensioning spring are fixedly connected with the friction transmission disc and the fixed seat respectively.

Optionally, the brake unit includes a motor bracket, a vertical shaft, a reset compression spring and a limit nut; the driving motor is fixedly connected to the motor bracket; the motor bracket is in sliding fit with the three vertical shafts, the lower ends of the three vertical shafts are fixedly connected to the assembling frame, the upper ends of the three vertical shafts are respectively connected with a limiting nut in a threaded fit manner, and the limiting nut is blocked on the top surface of the motor bracket; and the three vertical shafts are respectively sleeved with a reset pressure spring, and the reset pressure springs are positioned between the motor bracket and the assembling frame.

Optionally, the outer end of the motor bracket is fixedly connected with the brake pressure plate.

The utility model has the advantages that: the utility model discloses a tape unwinding mechanism with brake can realize stable brake in the tape unwinding process, the tape keeps the state of pulling tightly after braking, and the quality of battery core rubberizing is improved; the utility model discloses when using, can change drive unit through the brake unit with unreel the contact position of unit to change the speed of unreeling of sticky tape.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first overall schematic diagram provided in an embodiment of the present invention;

fig. 2 is a second overall schematic diagram provided in the embodiment of the present invention;

fig. 3 is a schematic view of an unwinding unit according to an embodiment of the present invention;

fig. 4 is a schematic view of a movable support provided in an embodiment of the present invention;

fig. 5 is a schematic view of a driving unit according to an embodiment of the present invention;

fig. 6 is a schematic view of a brake unit according to an embodiment of the present invention;

fig. 7 is a schematic view of a mounting frame according to an embodiment of the present invention.

Icon: an unwinding unit 1; an unwinding roller 101; a fixed catch tray 102; a movable catch tray 103; a worm gear 104; a worm 105; a rod seat 106; a friction linkage disc 107; a screw nut 108 is screwed; a fixed bracket 2; a movable bracket 3; a lifting support 301; a lifting carriage 302; a linkage block 303; a lifting screw 304; a lifting rotating block 305; a drive unit 4; a drive motor 401; a drive shaft 402; a friction drive plate 403; an adjusting screw 404; a fixed base 405; a tension spring 406; a brake unit 5; a motor bracket 501; a vertical shaft 502; a return compression spring 503; a limit nut 504; a brake pressure plate 505; and a mounting frame 6 is mounted.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element 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 "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present application, and changes or modifications in the relative relationship may be made without substantial technical changes.

The present invention will be described in further detail with reference to the accompanying fig. 1-7.

The specific implementation mode is as follows:

as shown in fig. 1 to 7, a tape unwinding mechanism with a brake includes an unwinding unit 1, a fixed bracket 2, a movable bracket 3, a driving unit 4, a brake unit 5, and a splicing frame 6, wherein the fixed bracket 2 and the movable bracket 3 are respectively connected to two ends of the splicing frame 6 in a matching manner; two ends of the unreeling unit 1 are respectively connected to the fixed support 2 and the movable support 3; the driving unit 4 is in transmission connection with the unreeling unit 1; the driving unit 4 is connected to the braking unit 5; the brake unit 5 is connected to the mounting frame 6. The utility model discloses a sticky tape unwinding mechanism of area brake, when using, install the sticky tape book on unreeling unit 1, start the back with drive unit 4, drive unit 4 can drive and unreel unit 1 and carry out the work of unreeling of sticky tape, when needs stop unreeling or reduce unreeling speed, step on brake unit 5 or adjust brake unit 5 and drive unit 4 certain distance of downstream, change transmission speed or make drive unit 4 break away from to unreel unit 1 and stop to unreel the work.

The unwinding unit 1 comprises an unwinding roller 101, a fixed baffle disc 102, a movable baffle disc 103, a worm wheel 104, a worm 105, a rod seat 106 and a friction linkage disc 107; two ends of the unwinding roller 101 are respectively and rotatably connected to the fixed support 2 and the movable support 3; a fixed baffle disc 102 is fixedly connected to the unwinding roller 101, and the fixed baffle disc 102 is arranged close to the fixed support 2; the unwinding roller 101 is connected with a movable blocking disc 103 in a threaded fit manner, and the movable blocking disc 103 is arranged close to the movable support 3; one end of the unwinding roller 101 is fixedly connected with a worm wheel 104; the worm 105 is in meshing transmission connection with the worm wheel 104; the worm 105 is rotatably connected to the rod seat 106; the rod seat 106 is fixedly connected to the fixed bracket 2; the friction linkage disc 107 is fixedly connected to one end of the worm 105; the drive unit 4 is in driving connection with the friction linkage disc 107. When the unwinding unit 1 is used, an adhesive tape roll can be mounted on the unwinding roller 101, and two ends of the adhesive tape roll are blocked and limited by the fixed blocking disc 102 and the movable blocking disc 103, so that the adhesive tape roll can be driven by the unwinding roller 101 to rotate, and the position of the movable blocking disc 103 can be adjusted, so that the adhesive tape rolls with different lengths can be fixed conveniently; friction linkage disk 107 can rotate under drive unit 4's the drive, drives worm 105 when friction linkage disk 107 rotates and rotates, drives worm wheel 104 when worm 105 rotates and rotates, and worm wheel 104 drives unreels roller 101 and rotates the work of unreeling that realizes unreeling roller 101 when drive unit 4 stops the transmission, the structure setting of worm wheel 104 and worm 105 for the sticky tape unreels the in-process and realizes stable brake, and the sticky tape keeps dragging tight state after the brake, improves the quality of electric core rubberizing.

A screwing nut 108 is fixedly connected to the outer end face of the movable baffle disc 103; the screwing nut 108 is sleeved on the unwinding roller 101.

The movable support 3 comprises a lifting support 301, a lifting carriage 302, a linkage block 303, a lifting screw 304 and a lifting rotating block 305; the lifting support 301 is fixedly connected to the lifting carriage 302; the middle part of the lifting carriage 302 is in sliding fit with the mounting frame 6; the lower end of the lifting carriage 302 is fixedly connected with a linkage block 303; the linkage block 303 is matched with the middle part of the lifting screw rod 304 through threads; the upper end of the lifting screw 304 is connected to the assembling frame 6 in a rotating fit manner; the top end of the lifting screw 304 is fixedly connected with the lifting rotating block 305; one end of the unwinding roller 101 is connected in an opening groove at the top of the lifting support 301 in a rotating fit manner. The height of the lifting support 301 in the movable support 3 can be adjusted, the lifting support is convenient to install or detach the adhesive tape roll, the lifting rotating block 305 is rotated during adjustment to drive the lifting screw 304 to rotate, the lifting screw 304 drives the lifting sliding frame 302 to slide up and down through the linkage block 303 during rotation, the lifting sliding frame 302 drives the height of the lifting support 301 to be adjusted, and the lifting support 301 is convenient to support the unwinding roller 101 or release the support of the unwinding roller 101.

The driving unit 4 comprises a driving motor 401, a driving shaft 402, a friction driving disc 403, an adjusting screw rod 404 and a fixed seat 405; an output shaft of the driving motor 401 is in transmission connection with a driving shaft 402 through a coupler; the middle part of the driving shaft 402 is connected with a friction transmission disc 403 in a sliding fit manner; the upper end and the lower end of the driving shaft 402 are respectively fixedly connected with a fixed seat 405; the middle part of the adjusting screw rod 404 is matched on the friction drive disc 403 through threads, and the upper end and the lower end of the adjusting screw rod 404 are rotatably connected to the two fixed seats 405; the friction driving disc 403 is vertically connected with the friction linkage disc 107 in a friction driving manner; the driving motor 401 is fixedly connected to the brake unit 5. After the driving motor 401 inside the driving unit 4 is started, the driving shaft 402 can be driven to rotate, when the driving shaft 402 rotates, the friction driving disc 403 can be driven to rotate around the axis of the friction driving disc 403 through the matching of the adjusting screw rod 404 and the fixing seat 405, and when the friction driving disc 403 rotates, the friction driving disc 107 is driven to rotate through friction driving.

The drive unit 4 further comprises a tension spring 406; the tension spring 406 is sleeved on the adjusting screw 404, and two ends of the tension spring 406 are respectively and fixedly connected with the friction driving disc 403 and one of the fixed seats 405.

The brake unit 5 comprises a motor bracket 501, a vertical shaft 502, a reset pressure spring 503 and a limit nut 504; the driving motor 401 is fixedly connected to the motor bracket 501; the motor bracket 501 is in sliding fit with the three vertical shafts 502, the lower ends of the three vertical shafts 502 are fixedly connected to the assembling frame 6, the upper ends of the three vertical shafts 502 are respectively in threaded fit with a limit nut 504, and the limit nut 504 is blocked on the top surface of the motor bracket 501; a reset compression spring 503 is sleeved on each of the three vertical shafts 502, and the reset compression springs 503 are located between the motor bracket 501 and the assembling frame 6. When the motor bracket 501 in the brake unit 5 is pressed to move downwards, the driving unit 4 is driven to move downwards, the transmission speed between the friction transmission disc 403 and the friction linkage disc 107 is reduced when the friction transmission disc moves downwards, so that the unwinding speed of the adhesive tape is reduced, when the friction transmission disc 403 is separated from the friction linkage disc 107, thorough braking is realized, and the unwinding operation is stopped; the contact position of the friction drive disc 403 and the friction linkage disc 107 can also be adjusted by rotating the limit nut 504 to change the contact position of the limit nut with the vertical shaft 502, so that complete braking or variable speed drive is realized.

The outer end of the motor bracket 501 is fixedly connected with a brake pressure plate 505.

The principle is as follows: the utility model discloses a sticky tape unwinding mechanism of area brake, when using, install the sticky tape book on unreeling unit 1, start the back with drive unit 4, drive unit 4 can drive and unreel unit 1 and carry out the work of unreeling of sticky tape, when needs stop unreeling or reduce unreeling speed, step on brake unit 5 or adjust brake unit 5 and drive unit 4 certain distance of downstream, change transmission speed or make drive unit 4 break away from to unreel unit 1 and stop to unreel the work.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a sticky tape unwinding mechanism of area brake, includes unreel unit (1), fixed bolster (2), movable support (3), drive unit (4), brake unit (5) and connects dress frame (6), its characterized in that: the fixed support (2) and the movable support (3) are respectively connected to two ends of the assembling frame (6) in a matching manner; two ends of the unreeling unit (1) are respectively connected to the fixed support (2) and the movable support (3); the driving unit (4) is in transmission connection with the unreeling unit (1); the driving unit (4) is connected to the brake unit (5); the brake unit (5) is connected to the assembling frame (6).

2. The tape unwinding mechanism with the brake as claimed in claim 1, wherein: the unwinding unit (1) comprises an unwinding roller (101), a fixed baffle disc (102), a movable baffle disc (103), a worm wheel (104), a worm (105), a rod seat (106) and a friction linkage disc (107); two ends of the unwinding roller (101) are respectively and rotatably connected to the fixed support (2) and the movable support (3); a fixed baffle disc (102) is fixedly connected to the unwinding roller (101), and the fixed baffle disc (102) is arranged close to the fixed support (2); the unwinding roller (101) is connected with a movable blocking disc (103) in a threaded fit mode, and the movable blocking disc (103) is arranged close to the movable support (3); one end of the unwinding roller (101) is fixedly connected with a worm wheel (104); the worm (105) is in meshed transmission connection with a worm wheel (104); the worm (105) is rotationally connected to the rod seat (106); the rod seat (106) is fixedly connected to the fixed support (2); the friction linkage disc (107) is fixedly connected to one end of the worm (105); the driving unit (4) is in transmission connection with the friction linkage disc (107).

3. The tape unwinding mechanism with the brake as claimed in claim 2, wherein: a screwing nut (108) is fixedly connected to the outer end face of the movable baffle disc (103); the screwing nut (108) is sleeved on the unwinding roller (101).

4. The tape unwinding mechanism with the brake as claimed in claim 3, wherein: the movable support (3) comprises a lifting support (301), a lifting carriage (302), a linkage block (303), a lifting screw (304) and a lifting rotating block (305); the lifting support (301) is fixedly connected to the lifting carriage (302); the middle part of the lifting sliding frame (302) is in sliding fit with the assembling frame (6); the lower end of the lifting sliding frame (302) is fixedly connected with a linkage block (303); the linkage block (303) is matched with the middle part of the lifting screw rod (304) through threads; the upper end of the lifting screw (304) is connected to the assembling frame (6) in a rotating fit manner; the top end of the lifting screw (304) is fixedly connected with the lifting rotating block (305); one end of the unwinding roller (101) is connected in an opening groove in the top of the lifting support (301) in a rotating fit mode.

5. The tape unwinding mechanism with the brake as claimed in claim 4, wherein: the driving unit (4) comprises a driving motor (401), a driving shaft (402), a friction transmission disc (403), an adjusting screw rod (404) and a fixed seat (405); an output shaft of the driving motor (401) is in transmission connection with a driving shaft (402) through a coupler; the middle part of the driving shaft (402) is connected with a friction transmission disc (403) in a sliding fit manner; the upper end and the lower end of the driving shaft (402) are respectively fixedly connected with a fixed seat (405); the middle part of the adjusting screw rod (404) is matched on the friction driving disc (403) through threads, and the upper end and the lower end of the adjusting screw rod (404) are rotatably connected to the two fixed seats (405); the friction drive disc (403) is in vertical friction drive connection with the friction linkage disc (107); the driving motor (401) is fixedly connected to the brake unit (5).

6. The tape unwinding mechanism with the brake as claimed in claim 5, wherein: the drive unit (4) further comprises a tension spring (406); the tensioning spring (406) is sleeved on the adjusting screw rod (404), and two ends of the tensioning spring (406) are respectively and fixedly connected with the friction driving disc (403) and the fixed seat (405).

7. The tape unwinding mechanism with the brake as claimed in claim 6, wherein: the brake unit (5) comprises a motor bracket (501), a vertical shaft (502), a reset pressure spring (503) and a limit nut (504); the driving motor (401) is fixedly connected to the motor bracket (501); the motor bracket (501) is in sliding fit with the three vertical shafts (502), the lower ends of the three vertical shafts (502) are fixedly connected to the assembling frame (6), the upper ends of the three vertical shafts (502) are respectively connected with a limiting nut (504) in a threaded fit manner, and the limiting nut (504) is blocked on the top surface of the motor bracket (501); and the three vertical shafts (502) are respectively sleeved with a reset pressure spring (503), and the reset pressure springs (503) are positioned between the motor bracket (501) and the assembling frame (6).

8. The tape unwinding mechanism with the brake as claimed in claim 7, wherein: the outer end of the motor bracket (501) is fixedly connected with a brake pressure plate (505).