CN220244932U

CN220244932U - Unreeling mechanism

Info

Publication number: CN220244932U
Application number: CN202321211423.9U
Authority: CN
Inventors: 史靓靓
Original assignee: Qingdao Qinhong Automation Equipment Co ltd
Current assignee: Qingdao Qinhong Automation Equipment Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-12-26
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses an unreeling mechanism, which relates to the field of automatic equipment, and the technical scheme is that the unreeling mechanism comprises a master batch frame, wherein a clamping structure for clamping the two axial ends of a film master batch is arranged on the master batch frame; the unreeling roller set comprises a plurality of unreeling rollers, wherein the unreeling rollers are rotating rollers and are distributed from a master batch frame towards the unreeling discharging direction; the master batch rack is in sliding connection with the master batch rack in the horizontal direction, and the unreeling rollers in the unreeling roller group are in rotary connection with the master unreeling rack; the first adjusting mechanism is arranged between the master batch rack and the main unreeling rack and can drive the master batch rack to translate. The film master batch unreeling base structure is formed by combining the master batch frame, the main unreeling frame and the unreeling roller set. Film master batch is borne by the master batch frame, and a rotating roller in the unreeling roller set is used as a guide structure of the film master batch. In addition, this scheme can realize the level adjustment to master batch frame is holistic through first adjustment mechanism.

Description

Unreeling mechanism

Technical Field

The utility model relates to the field of automatic equipment, in particular to an unreeling mechanism.

Background

The film products have wide application in various aspects, most of the film products are obtained by reprocessing film master batch, for example, a film with glue is obtained by sticking double faced adhesive tape on the film master batch. Therefore, most of the film processing is started by discharging the film master batch, and the master batch is also called unreeling because the master batch is stored in a roll.

As a first link of automatic processing, it is necessary to ensure that no deviation can occur during unreeling, otherwise, the whole subsequent processing is affected, and because the production standard of the coiled material of the film master batch during processing is not too high, how to timely adjust considering how to deviate materials. Furthermore, it is necessary to ensure clamping of the master batch coil throughout the process, which also affects the subsequent processing if loosening occurs. Based on the above problems, the scheme provides an unreeling mechanism.

Disclosure of Invention

Aiming at one of the defects in the prior art, the utility model provides an unreeling mechanism which solves the problem of master batch unreeling during self-driven production of film materials.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an unwind mechanism comprising:

the master batch rack is used for placing a film master batch coiled material, and clamping structures for clamping the two axial ends of the film master batch are arranged on the master batch rack;

the unreeling roller set comprises a plurality of unreeling rollers, wherein the unreeling rollers are rotating rollers and are distributed from a master batch frame towards the unreeling discharging direction;

the master batch rack is in sliding connection with the master batch rack in the horizontal direction, and the unreeling rollers in the unreeling roller group are in rotary connection with the master unreeling rack;

the first adjusting mechanism is arranged between the master batch rack and the main unreeling rack and can drive the master batch rack to translate.

Preferably, the master batch holder comprises:

the lower side of the underframe is provided with a sliding part, and the underframe is in sliding connection with the main unreeling frame through the sliding part;

the first side frame is fixedly connected with the underframe;

the second side frame is connected with the underframe in a sliding way, and can move towards or away from the first side frame; and the film master batch is clamped between the first side frame and the second side frame.

Preferably, the sliding parts are arranged in a plurality and distributed on the lower side of the underframe; each of the sliders includes:

the lower side of the underframe sliding rail is fixedly connected with the main unreeling frame;

the chassis slide block is arranged on the chassis slide rail and is in sliding connection with the chassis slide rail, and the upper side of the chassis slide block is fixedly connected with the chassis.

Preferably, the first adjusting mechanism includes:

the first adjusting piece is a telescopic cylinder body;

the first fixing seat is fixedly connected with the main unreeling frame and is rotationally connected with the cylinder body shell of the first adjusting piece;

the first connecting piece is fixedly connected with the underframe and is rotationally connected with the movable end of the first adjusting piece.

Preferably, the master batch holder further comprises:

the side frame sliding rail is arranged at one end of the underframe corresponding to the second side frame, and the lower end of the second side frame is fixedly arranged on the side frame sliding block which is connected with the side frame sliding rail in a sliding way.

Preferably, the second adjusting mechanism is disposed between the second side frame and the bottom frame, and the second adjusting mechanism includes:

the second adjusting piece is a telescopic cylinder body;

the second fixing seat is fixedly connected with the underframe and is rotationally connected with the cylinder body shell of the second adjusting piece;

the second connecting piece is fixedly connected with the second side frame and is rotationally connected with the movable end of the second adjusting piece.

Preferably, the master batch holder further comprises,

the master batch clamping blocks are arranged in two and are respectively arranged on the first side frame and the second side frame, and the two master batch clamping blocks are oppositely arranged and are respectively connected with the first side frame and the second side frame in a rotating way.

Preferably, the master batch clamping block includes:

the block connecting end is rotationally connected with the first side frame or the second side frame;

the block clamping end is used for clamping the film master batch, and the block connecting end is of a gradually reduced gradual change structure to the block clamping end.

The master batch clamping block is of a truncated cone-shaped structure, and the clamping end of the block body is one end with a small area.

Preferably, the master batch holder further comprises a stop mechanism, the stop mechanism comprising:

the stopping shaft is rotatably arranged on the first side frame;

the stop transmission assembly is a transmission assembly between the master batch clamping block and the stop shaft of the first side frame and is used for enabling the stop shaft and the master batch clamping block to synchronously move;

and the stop piece is connected with the stop shaft and used for limiting or releasing the rotation movement of the stop piece.

Preferably, the method further comprises the steps of,

the master batch sensing assembly is arranged on the discharging side of the master batch frame; the masterbatch sensing assembly includes:

the master batch sensing bracket is fixedly connected with the main unreeling bracket;

and the master batch sensor is in sliding connection with the master batch sensing bracket, and the sensing end faces the discharging side of the master batch frame.

Compared with the prior art, the method has the following beneficial effects: the film master batch unreeling base structure is formed by combining the master batch frame, the main unreeling frame and the unreeling roller set. Film master batch is borne by the master batch frame, and a rotating roller in the unreeling roller set is used as a guide structure of the film master batch. In addition, this scheme can realize the level adjustment to master batch frame is holistic through first adjustment mechanism. Thereby ensuring adjustability of the masterbatch feed and reducing problems with subsequent production being adversely affected by feed offset. Through second adjustment mechanism, can realize the masterbatch frame and press from both sides tight to film masterbatch coiled material, and have better adaptability to the masterbatch of equidimension not.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

fig. 2 is a schematic diagram of a master batch holder according to an embodiment of the present application;

fig. 3 is a schematic diagram of a master batch holder according to an embodiment of the present disclosure;

FIG. 4 is an enlarged view of part of A of FIG. 2;

fig. 5 is a partial enlarged view of B of fig. 2.

In the figure:

11. a master batch rack; 111. a chassis; 112. a slider; 113. a first side frame; 114. a second side frame; 115. a side frame rail; 116. a master batch clamping block; 117. a stop assembly;

12. an unreeling roller set; 13. a main unreeling frame;

14. a first adjustment mechanism; 141. a first adjustment member; 142. a first fixing seat; 143. a first connector;

15. a second adjustment mechanism; 151. a second adjusting member; 152. the second fixing seat; 153. a second connector;

16. a masterbatch sensing component.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present application provides the following technical solutions:

an unreeling mechanism comprises a main unreeling frame 13 as a main bearing structure, wherein a master batch frame 11 is arranged on the main unreeling frame 13. The master batch frame 11 is used for placing film master batch coiled materials, the master batch frame 11 is provided with clamping structures for clamping the two axial ends of the film master batch, and the master batch frame 11 is in sliding connection with the main unreeling frame 13 in the horizontal direction. The main unreeling frame 13 is also provided with an unreeling roller set 12, the unreeling roller set 12 comprises a plurality of unreeling rollers, the unreeling rollers are rotating rollers, the unreeling rollers are distributed towards the unreeling discharging direction by the master batch frame 11, and the unreeling rollers are rotatably connected with the main unreeling frame 13. A first adjusting mechanism 14 is arranged between the master batch holder 11 and the main unreeling holder 13, and the first adjusting mechanism 14 can drive the master batch holder 11 to translate.

When the mechanism is used, the unreeling frame 13 is arranged at a position where film master batch unreels are required, and then the master batch is placed on the master batch frame 11. The position of the master batch frame 11 is controlled through the first adjusting mechanism 14 to align the discharging direction of the master batch frame with the feeding direction required by subsequent production, then the film on the master batch coiled material is pulled out, the film bypasses each roller of the unreeling roller set 12, and the setting of the unreeling mechanism is completed.

On the basis of the above embodiment, referring to fig. 2 and 3, the master batch holder 11 includes a base frame 111 and two side frames provided on the base frame 111: the underframe 111 is of a rectangular frame structure, a sliding piece 112 is arranged at the lower side of the underframe 111, and the underframe 111 is in sliding connection with the main unreeling frame 13 through the sliding piece 112; the two side frames are a first side frame 113 and a second side frame 114, respectively, the first side frame 113 is fixedly connected with the chassis 111, and is arranged at one end of the chassis 111. The second side frame 114 is slidably connected to the chassis 111 and is disposed at the other end of the chassis 111, and the second side frame 114 can move toward or away from the first side frame 113; the film master batch is sandwiched between the first side frame 113 and the second side frame 114.

On the basis of the above embodiment, the slider 112 is provided with four, four corner regions distributed on the underside of the chassis 111.

Referring to fig. 4, each slider 112 includes a chassis rail and a chassis slider: the lower side of the underframe slide rail is fixedly connected with the main unreeling frame 13; the chassis slider sets up on the chassis slide rail, with chassis slide rail sliding connection, chassis slider upside and chassis 111 downside fixed connection. The length direction of the underframe sliding rail is perpendicular to the discharging direction of the unreeling mechanism in the moving direction of the underframe sliding block. The horizontal sliding of the master batch holder 11 is achieved by the sliding member 112, thereby providing a movable basis for the feed direction adjustment of the master batch holder 11.

On the basis of the above embodiment, the first adjusting mechanism 14 includes a first adjusting member 141, which is a telescopic cylinder, and the first adjusting member 141 may be a pneumatic cylinder, a hydraulic cylinder, or an electric push rod structure. Only the requirement that the master batch rack 11 can be driven to move is met. A first fixing seat 142 is provided between the main unwind stand 13 and the first regulating member 141. The first fixing seat 142 is fixedly connected with the main unreeling frame 13 and is rotationally connected with the cylinder body shell of the first adjusting piece 141; a first connecting piece 143 is arranged between the chassis 111 and the first adjusting piece 141, and the first connecting piece 143 is fixedly connected with the chassis 111 and is rotatably connected with the movable end of the first adjusting piece 141.

By this structure, the first adjusting member 141 is used as a driving power source of the whole master batch holder 11, and the movable connection between the first fixing base 142 and the first connecting member 143 can greatly reduce the difficulty of installing the first adjusting member 141. Because chassis 111 and main unreeling frame 13 are both great in volume, if want to ensure completely that the direction of motion of first regulating part 141 and slider 112 is parallel, the debugging degree of difficulty is slightly high, through the connected form of this scheme, can satisfy under the circumstances that there is certain error, first regulating part 141 still can normally move, and the condition that the card is dead is difficult to appear.

On the basis of the above embodiment, referring to fig. 3 and 5, the master batch frame 11 further includes a side frame rail 115, the side frame rail 115 is disposed at one end of the bottom frame 111 corresponding to the second side frame 114, and the lower end of the second side frame 114 is fixedly disposed on a side frame slider slidingly connected to the side frame rail 115.

The second adjusting mechanism 15 is arranged between the second side frame 114 and the underframe 111, the second adjusting mechanism 15 comprises a second adjusting piece 151, the second adjusting piece 141 is a telescopic cylinder body, and similar to the first adjusting piece 151, the second adjusting piece 151 can also adopt a pneumatic cylinder body, a hydraulic rod body or an electric cylinder body structure. The second adjusting member 151 is required to drive the second side frame 114 to translate and ensure the clamping force with respect to the film master batch. A second fixing seat 152 is arranged between the second adjusting piece 151 and the underframe 111, and the second fixing seat 152 is fixedly connected with the underframe 111 and is rotationally connected with the cylinder shell of the second adjusting piece 151; a second connecting member 153 is disposed between the second adjusting member 151 and the second side frame 114, and the second connecting member 153 is fixedly connected to the second side frame 114 and rotatably connected to the movable end of the second adjusting member 151. This structure has similar advantages to the first adjustment mechanism 14.

The first side frame 113 and the second side frame 114 are of a herringbone structure, the bottom end of the first side frame 113 is directly fixed on the bottom frame 111, a horizontal side frame bottom plate is arranged at the bottom end of the second side frame 114, and the lower side of the side frame bottom plate is fixedly connected with the side frame sliding block. And a side frame connecting plate is arranged on one side of the side frame bottom plate, and the lower side of the side frame connecting plate is fixedly connected with the second connecting piece 153.

Through the mechanism of this scheme, realize the centre gripping to film masterbatch coiled material, through the translation of second side bearer 114, can satisfy the adaptability to different length masterbatches and adjust, can provide sufficient clamping force again simultaneously.

On the basis of the above embodiment, the master batch holder 11 further includes master batch holding blocks 116 respectively provided on the first side frame 113 and the second side frame 114, and the two master batch holding blocks 116 are oppositely provided and are respectively rotatably connected with the first side frame 113 and the second side frame 114.

The master batch clamping block 116 is of a truncated cone structure, and one large-area end of the master batch clamping block is a block connecting end which is rotationally connected with the first side frame 113 or the second side frame 114; the small-area one end is a block clamping end, the block clamping end is used for clamping the film master batch, and the block connecting end is of a gradually-reduced gradual change structure to the block clamping end. By the master batch clamping block 116 of this structure, clamping of the film master batch core material can be achieved, and by means of the truncated cone-like structure and the movement of the second regulating member 15, a good clamping force can be provided.

On the basis of the above embodiment, the master batch holder 11 further comprises a stop mechanism 117, and stopping in the process of feeding the master batch is achieved by the stop mechanism 117. The stopping mechanism 117 comprises a stopping shaft which is rotatably arranged on the first side frame 113; a stop transmission assembly is arranged between the stop shaft and the master batch clamping block 116 of the first side frame 113, the stop transmission assembly is a chain wheel and chain assembly, two chain wheels are fixedly connected with the stop shaft and the rotating shaft of the master batch clamping block 116 respectively, and the two chain wheels are provided with chains so far. The stop shaft is connected with a stop piece, the stop piece is used for limiting or releasing the rotation movement of the stop piece, and the magnetic powder brake is used for stopping the stop piece. The stopping action of the stopping shaft is realized through the magnetic powder brake, so that the master batch rack 11 stops feeding.

On the basis of the above embodiment, the present solution further includes a masterbatch sensing component 16, and the masterbatch sensing component 16 is disposed on the discharge side of the masterbatch frame 11. The master batch sensing assembly 16 comprises a master batch sensing bracket fixedly connected with the main unreeling frame 13, the master batch sensing bracket comprises a connecting part connected with the main unreeling frame 13, and a cross rod is arranged on the connecting part. The sensor support is connected to the sliding on the cross rod, a master batch sensor is arranged on the sensor support, and the sensing end of the master batch sensor faces the discharging side of the master batch frame 11. Different master batch sensor structures, such as optical sensors, ultrasonic sensors and the like, can be arranged according to actual use requirements. The ultrasonic sensor is selected for use in this scheme, and masterbatch sensing support is "" font structure, and the upper and lower both ends of its opening part set up the transmitting terminal and the receiving terminal of sensor respectively, and during the masterbatch feed, the limit portion of film extends to in the opening of masterbatch sensing support, if the receiving terminal receives the signal of transmitting terminal, the condition that the disconnected material of feedback appears or masterbatch emergence skew. The masterbatch sensor assembly 16 may be disposed on one side of the feed direction or symmetrically on both sides, depending on the actual requirements.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An unreeling mechanism, comprising:

the master batch frame (11) is used for placing a film master batch coiled material, and is provided with clamping structures for clamping the two axial ends of the film master batch;

the unreeling roller set (12) comprises a plurality of unreeling rollers, wherein the unreeling rollers are rotating rollers and are distributed from a master batch frame (11) towards the unreeling discharging direction;

the master batch rack (11) is in sliding connection with the master batch rack (13) in the horizontal direction, and the unreeling rollers in the unreeling roller group (12) are in rotary connection with the master batch rack (13);

the first adjusting mechanism (14) is arranged between the master batch frame (11) and the main unreeling frame (13) and can drive the master batch frame (11) to translate.

2. Unreeling mechanism according to claim 1, characterized in that the masterbatch holder (11) comprises:

the lower side of the underframe (111) is provided with a sliding part (112), and the underframe (111) is in sliding connection with the main unreeling frame (13) through the sliding part (112);

a first side frame (113) fixedly connected with the bottom frame (111);

a second side frame (114) slidably connected to the chassis (111), the second side frame (114) being movable toward or away from the first side frame (113); the film master batch is clamped between the first side frame (113) and the second side frame (114).

3. Unreeling mechanism according to claim 2, characterized in that the number of the sliding members (112) is several, distributed on the underside of the underframe (111); each of the sliders (112) includes:

the lower side of the underframe sliding rail is fixedly connected with the main unreeling frame (13);

the chassis sliding block is arranged on the chassis sliding rail and is in sliding connection with the chassis sliding rail, and the upper side of the chassis sliding block is fixedly connected with the chassis (111).

4. Unreeling mechanism according to claim 2, characterized in that the first adjusting mechanism (14) comprises:

a first adjusting member (141) which is a telescopic cylinder;

the first fixing seat (142) is fixedly connected with the main unreeling frame (13) and is rotationally connected with the cylinder body shell of the first adjusting piece (141);

the first connecting piece (143) is fixedly connected with the underframe (111) and is rotatably connected with the movable end of the first adjusting piece (141).

5. Unreeling mechanism according to claim 2, characterized in that the masterbatch rack (11) further comprises:

the side frame sliding rail (115) is arranged at one end of the underframe (111) corresponding to the second side frame (114), and the lower end of the second side frame (114) is fixedly arranged on the side frame sliding block which is connected with the side frame sliding rail (115) in a sliding way.

6. Unreeling mechanism according to claim 2, further comprising a second adjusting mechanism (15) arranged between the second side frame (114) and the undercarriage (111), the second adjusting mechanism (15) comprising:

the second adjusting piece (151) is a telescopic cylinder body;

the second fixing seat (152) is fixedly connected with the underframe (111) and is rotationally connected with the cylinder body shell of the second adjusting piece (151);

and the second connecting piece (153) is fixedly connected with the second side frame (114) and is rotationally connected with the movable end of the second adjusting piece (151).

7. Unreeling mechanism according to claim 2, characterized in that the master batch holder (11) further comprises,

the master batch clamping blocks (116) are arranged, are respectively arranged on the first side frame (113) and the second side frame (114), are oppositely arranged, and are respectively connected with the first side frame (113) and the second side frame (114) in a rotating mode.

8. Unreeling mechanism according to claim 7, characterized in that the master batch clamping block (116) comprises:

the block connecting end is rotationally connected with the first side frame (113) or the second side frame (114);

9. Unreeling mechanism according to claim 8, characterized in that the master batch holder (11) further comprises a stop mechanism (117), the stop mechanism (117) comprising:

a stop shaft rotatably provided to the first side frame (113);

the stop transmission assembly is a transmission assembly between the master batch clamping block (116) of the first side frame (113) and the stop shaft and is used for enabling the stop shaft and the master batch clamping block (116) to synchronously move;

10. The unwind mechanism of any of claims 1-9, further comprising,

the master batch sensing assembly (16) is arranged on the discharging side of the master batch frame (11); the masterbatch sensing assembly (16) includes:

the master batch sensing bracket is fixedly connected with the main unreeling bracket (13);

and the master batch sensor is in sliding connection with the master batch sensing bracket, and the sensing end faces the discharging side of the master batch frame (11).