CN217706664U

CN217706664U - Unwinding device for label

Info

Publication number: CN217706664U
Application number: CN202222069026.4U
Authority: CN
Inventors: 王佳林
Original assignee: Jinjiang Haijia Intelligent Equipment Co ltd
Current assignee: Jinjiang Haijia Intelligent Equipment Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-01
Anticipated expiration: 2032-08-08

Abstract

The utility model relates to an unwinding device technical field, concretely relates to an unwinding device for label, its characterized in that: including the material book frame that is used for placing the label, the material is rolled up the frame and is installed in the one end of pivot, the other end of pivot passes the backup pad and rotates with the backup pad to be connected, the backup pad is installed in the fixed plate upper end, the brake disc is installed to the other end of pivot, be equipped with in the backup pad and be used for playing the arrestment mechanism of brake braking effect to the brake disc, one side of fixed plate is equipped with the first guide roll that can make the label walk around in proper order in the below of material book frame on the surface, counter weight roller and second guide roll, the counter weight roller is installed on the lifter plate and is located below between first guide roll and the second guide roll, the lifter plate passes through sliding assembly and fixed plate sliding connection from top to bottom, be equipped with high detection mechanism on the fixed plate. The utility model has the advantages that the whole structure is novel, practical reliable, be convenient for play good control effect to the tension of label when unreeling for the label can realize stable unreeling.

Description

Unwinding device for label

Technical Field

The utility model relates to an unwinding device technical field, specificly relate to an unwinding device for label.

Background

The label, be the printed matter that is used for the relevant explanation of sign oneself product, can post the label on some wet piece of cloth wrapping bags or other wrapping bags usually, in actual production, the staff places the label coil of strip on the material roll frame usually, then with the one end of label coil of strip in proper order around corresponding guide roll and penetrate to between pinch roll and the carry over pinch roll, again by driving motor drive carry over pinch roll rotation, and then draw the label, in order to realize unreeling to the label coil of strip, and tension when unreeling in order to control the label, can keep certain brake dynamics to the material roll frame usually, nevertheless at the in-process of unreeling, because the whole external diameter of label coil of strip can be from big slowly diminishing, thereby make the tension of label when unreeling difficult control, stability when consequently leading to the label unreels is general relatively.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an overall structure is novel, practical reliable, is convenient for play good control effect to the tension of label when unreeling for the label can realize the stable unwinding device who unreels that is used for the label.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an unwinding device for label, including the material book frame that is used for placing the label, the one end in the pivot is installed to the material book frame, the other end of pivot passes the backup pad and rotates with the backup pad to be connected, backup pad fixed mounting is in the fixed plate upper end, the other end fixed mounting of pivot has the brake disc, be equipped with in the backup pad and be used for playing the arrestment mechanism of brake braking effect to the brake disc, a side of fixed plate is equipped with the first guide roll that can make the label walk around in proper order in the below of material book frame on the surface, counter weight roller and second guide roll, the counter weight roller is installed on the lifter plate and is located first guide roll and second guide roll between the below, the lifter plate passes through sliding assembly and fixed plate upper and lower sliding connection, be equipped with the height detection mechanism that is used for detecting the height position of counter weight roller and carries out the action according to the height position control arrestment mechanism of counter weight roller on the fixed plate.

Further, height detection mechanism includes the response piece, go up photoelectric switch and lower photoelectric switch, the response piece is fixed to be located on the lifter plate, go up photoelectric switch and lower photoelectric switch arrange from top to bottom in proper order and locate on the fixed plate, go up photoelectric switch and lower photoelectric switch all with controller electric connection, when photoelectric switch detected the response piece down, the steerable arrestment mechanism of controller played brake to the brake disc, when last photoelectric switch detected the response piece, the steerable arrestment mechanism of controller removed the brake to the brake disc.

Furthermore, the fixed plate is provided with a strip-shaped notch which can enable the induction sheet to pass through, and the strip-shaped notch is vertically arranged.

Furthermore, the upper photoelectric switch and the lower photoelectric switch are fixedly arranged on the surface of one side, far away from the lifting plate, of the fixed plate.

Furthermore, the braking mechanism comprises a driving part and two braking pieces, the driving part is arranged on an installation seat, the installation seat is fixedly arranged on the supporting plate, the two braking pieces are respectively arranged on two sides of the brake disc, and the driving part is used for driving the two braking pieces to synchronously perform reverse movement so as to clamp or loosen the brake disc.

Furthermore, the driving piece is a pneumatic clamping jaw, and the two brake pads are fixedly arranged on the two pneumatic jaws of the pneumatic clamping jaw respectively.

Furthermore, a wear pad is fixedly arranged on the surface of one side, close to the brake disc, of the brake pad.

Further, the sliding assembly comprises a sliding rail and a sliding block, the sliding rail is vertically arranged and fixedly mounted on the surface of one side of the fixed plate, the sliding block is fixedly mounted on the lifting plate, and the sliding block is matched with the sliding rail in a sliding mode.

Furthermore, all install two annular stoppers on first guide roll, second guide roll and the counter weight roller, be formed with the annular spacing groove with label looks adaptation between two annular stoppers.

Furthermore, the rotating shaft is rotatably connected with the supporting plate through a bearing with a seat, a through hole through which the rotating shaft can pass is formed in the supporting plate, and the bearing with the seat is fixedly arranged on the surface of one side of the supporting plate.

As can be seen from the above description, the unwinding device for labels provided by the present invention is novel in overall structure, practical and reliable, and is convenient to control the rotation of the material roll frame by the arrangement of the braking mechanism, when the braking mechanism releases the braking action on the brake disc, at this time, under the traction action of the traction device and the gravity action of the counterweight roller, the material roll frame can rotate and unwind the label, and at the same time, under the gravity action of the counterweight roller, the tension of the label can be well maintained, and along with the unwinding of the label, the counterweight roller can slowly move downwards, when the photoelectric switch detects the sensing piece, the controller can control the braking mechanism to brake the brake disc, at this time, the material roll frame will not rotate and unwind the label any more, then, under the traction effect of the traction device, the label can be dragged to continue to be supplied to subordinate equipment, meanwhile, under the gravity effect of the counterweight roller, the tension of the label can be well kept, the counterweight roller can slowly move upwards along with traction of the traction device on the label, when the photoelectric switch detects the induction sheet, the brake of the brake disc can be relieved by the brake mechanism controlled by the controller, at the moment, under the traction effect of the traction device and the gravity effect of the counterweight roller, the material winding frame can rotate and can wind the label, and the label can be wound repeatedly.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of an angle of an unwinding device for labels.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic view of a three-dimensional structure of another angle of the unwinding device for labels of the present invention.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Fig. 5 is a partially enlarged schematic view of C in fig. 3.

Fig. 6 is a schematic view illustrating the direction of the label on the unwinding device for the label of the present invention.

In the figure: 1-a coil rack; 11-a label; 2-a rotating shaft; 21-a pedestal bearing; 31-a support plate; 32-a fixed plate; 321-a strip-shaped notch; 4-a brake disc; 5-a braking mechanism; 51-a drive member; 511-gas claw; 52-brake pads; 53-wear pads; 54-a mounting seat; 61-a first guide roll; 62-counterweight roll; 63-a second guide roll; 7-a lifting plate; 71-a slide assembly; 711-a slide rail; 712-a slider; 8-a height detection mechanism; 81-induction piece; 82-upper photoelectric switch; 83-lower photoelectric switch; 9-an annular limiting block; 91-annular limiting groove.

Detailed Description

The present invention will be further described with reference to the following detailed description.

As shown in fig. 1 to 6, a unwinding device for label, including the coil rack 1 that is used for placing label 11, coil rack 1 installs in the one end of pivot 2, the other end of pivot 2 pass backup pad 31 and with backup pad 31 rotates to be connected, backup pad 31 fixed mounting is in fixed plate 32 upper end, the other end fixed mounting of pivot 2 has brake disc 4, be equipped with in backup pad 31 and be used for right brake disc 4 plays the brake mechanism 5 of brake braking effect, one side of fixed plate 32 on the surface in the below of coil rack 1 is equipped with can make first guide roll 61, counter weight roller 62 and the second guide roll 63 that label 11 walked around in proper order, counter weight roller 62 installs on lifter plate 7 and is located below between first guide roll 61 and the second guide roll 63, lifter plate 7 through sliding assembly 71 with fixed plate 32 upper and lower sliding connection, be equipped with on the fixed plate 32 and be used for detecting the height position of counter weight roller 62 and according to the height position control of counter weight roller 62 brake mechanism 5 carries out the height detection mechanism 8 of action.

As shown in fig. 2 and 5, specifically, the height detecting mechanism 8 includes a sensing piece 81, an upper photoelectric switch 82 and a lower photoelectric switch 83, the sensing piece 81 is fixedly disposed on the lifting plate 7, the upper photoelectric switch 82 and the lower photoelectric switch 83 are sequentially disposed on the fixing plate 32 in an up-down manner, both the upper photoelectric switch 82 and the lower photoelectric switch 83 are electrically connected to a controller, when the lower photoelectric switch 83 detects the sensing piece 81, the controller may control the braking mechanism 5 to brake the brake disc 4, and when the upper photoelectric switch 82 detects the sensing piece 81, the controller may control the braking mechanism 5 to release the brake on the brake disc 4.

Through the setting of brake mechanism 5, be convenient for control the rotation of material roll frame 1, work as brake mechanism 5 removes right when the brake braking of brake disc 4, at this moment, under draw gear's traction and under the action of gravity of counterweight roller 62, material roll frame 1 can rotate, and right the label 11 unreels, simultaneously, under counterweight roller 62's action of gravity, can be fine keep the tension of label 11, and along with going on that label 11 unreels, counterweight roller 62 can slowly move down, work as lower photoelectric switch 83 detects when response piece 81, the controller is steerable brake mechanism 5 is right brake disc 4 plays brake, at this moment, material roll frame 1 will not rotate, and no longer unreel label 11, then, under draw gear's traction, can pull label 11 continues to supply to the lower level equipment, simultaneously under counterweight roller 62's action of gravity, can be fine keep label 11's tension, and along with draw gear is to label 11, can make when the action of gravity control pay off label roll frame 11 and the last optical switch is enough to move, the tension of label 11 is enough removed when the brake is good when the brake braking is done so, draw gear 62, drag gear is good under the action of gravity to the brake roll frame 62, can make the control the tension of label 11, draw gear 14, can make it is good to carry out when the brake roll up-and go on the reciprocating control to the label, drag gear is good under the drag gear, drag gear is good to drag gear, drag gear 62, drag gear is enough, drag gear 62, drag gear is convenient for the label 4 to carry out the drag gear, drag gear is good when the drag gear is enough, drag gear is good to drag gear is enough.

In addition, the upper photoelectric switch 82, the lower photoelectric switch 83 and the controller may be commercially available products.

As shown in fig. 5, the fixing plate 32 is further provided with a strip notch 321 through which the sensing piece 81 can pass, and the strip notch 321 is vertically arranged, so that the upper photoelectric switch 82 and the lower photoelectric switch 83 are conveniently mounted on the other side surface of the fixing plate 32, the mounting is convenient, the first guide roller 61, the counterweight roller 62 or the second guide roller 63 are not easily interfered with each other at the mounting position, and the sensing detection of the upper photoelectric switch 82 and the lower photoelectric switch 83 is more facilitated.

As shown in fig. 5, the upper photoelectric switch 82 and the lower photoelectric switch 83 are both fixedly mounted on a surface of the fixing plate 32 on a side away from the lifting plate 7.

As shown in fig. 4, specifically, the braking mechanism 5 includes a driving member 51 and two brake pads 52, the driving member 51 is disposed on a mounting seat 54, the mounting seat 54 is fixedly mounted on the supporting plate 31, the two brake pads 52 are respectively disposed on two sides of the brake disc 4, and the driving member 51 is configured to drive the two brake pads 52 to synchronously move in opposite directions so as to clamp or unclamp the brake disc 4, so that when the two brake pads 52 clamp the brake disc 4, a corresponding braking effect can be achieved, at this time, the reel stand 1 will not unreel any more, and when the two brake pads 52 unclamp the brake disc 4, a braking effect will not be achieved on the brake disc 4, at this time, under the traction of a traction device and under the gravity of the counterweight roller 62, the label 11 on the reel stand 1 can be unreeled again, and under the gravity of the counterweight roller 62, the tension when the label 11 is unreeled can be well maintained.

As shown in fig. 4, it is preferable that the driving member 51 is a pneumatic clamping jaw, and the two brake pads 52 are respectively fixedly mounted on the two pneumatic claws 511 of the pneumatic clamping jaw, so that when the two pneumatic claws 511 of the pneumatic clamping jaw perform reverse movement, the two brake pads 52 can be conveniently driven to perform the reverse movement synchronously, and the pneumatic clamping jaw can be selected from commercially available products.

As shown in fig. 4, a wear pad 53 is fixedly disposed on a surface of the brake pad 52 close to the brake disc 4, so as to provide a better braking effect for the brake disc 4, and preferably, the wear pad 53 is made of rubber.

As shown in fig. 2, specifically, the sliding assembly 71 includes a sliding rail 711 and a sliding block 712, the sliding rail 711 is vertically disposed and fixedly mounted on a side surface of the fixing plate 32, the sliding block 712 is fixedly mounted on the lifting plate 7, the sliding block 712 is matched with the sliding rail 711, and the sliding block and the sliding rail 711 are in sliding fit with each other.

As shown in fig. 2, in addition, two annular limiting blocks 9 are installed on the first guide roller 61, the second guide roller 63 and the counterweight roller 62, and an annular limiting groove 91 matched with the label 11 is formed between the annular limiting blocks 9, so that the label 11 in unwinding can be well limited, the deviation in the unwinding process is avoided, and the stability and smoothness of the label 11 in unwinding are further ensured.

As shown in fig. 4, specifically, the rotating shaft 2 is rotatably connected to the supporting plate 31 through a bearing with seat 21, a through hole through which the rotating shaft 2 can pass is formed in the supporting plate 31, and the bearing with seat 21 is fixedly mounted on a side surface of the supporting plate 31, so that the rotating shaft 2 is rotatably connected to the supporting plate 31.

The aforesaid does only the utility model discloses a plurality of embodiment, nevertheless the utility model discloses a design concept is not limited to this, and all utilize this to think about right the utility model discloses carry out immaterial change, all shall belong to the infringement the action of the scope of protection of the utility model.

Claims

1. The utility model provides an unwinding device for label which characterized in that: including the material roll frame that is used for placing the label, the material roll frame is installed in the one end of pivot, the other end of pivot pass the backup pad and with the backup pad rotates to be connected, backup pad fixed mounting is in the fixed plate upper end, the other end fixed mounting of pivot has the brake disc, it is right to be equipped with in the backup pad brake mechanism that the brake disc played the brake braking effect, one side of fixed plate on the surface in the below of material roll frame is equipped with and can makes first guide roll, counter weight roller and the second guide roll that the label walked around in proper order, the counter weight roller is installed on the lifter plate and is located first guide roll reaches below between the second guide roll, the lifter plate pass through sliding assembly with sliding connection about the fixed plate, be equipped with on the fixed plate and be used for detecting the high position of counter weight roller and according to the high position control of counter weight roller brake mechanism carries out the height detection mechanism who moves.

2. The unwinding device for labels of claim 1, wherein: height detection mechanism includes response piece, last photoelectric switch and lower photoelectric switch, the response piece is fixed to be located on the lifter plate, go up photoelectric switch with photoelectric switch arranges from top to bottom in proper order down and locates on the fixed plate, go up photoelectric switch with photoelectric switch all with controller electric connection down, work as photoelectric switch detects down during the response piece, the controller is steerable arrestment mechanism is right brake disc plays brake, works as go up photoelectric switch detects during the response piece, the controller is steerable arrestment mechanism removes right brake disc's brake braking.

3. The unwinding device for labels of claim 2, wherein: the fixed plate is provided with a strip-shaped notch through which the induction sheet can pass, and the strip-shaped notch is vertically arranged.

4. The unwinding device for labels as claimed in claim 3, characterized in that: the upper photoelectric switch and the lower photoelectric switch are fixedly arranged on the surface of one side, far away from the lifting plate, of the fixing plate.

5. The unwinding device for labels of claim 1, wherein: the brake mechanism comprises a driving part and two brake pieces, the driving part is arranged on an installation seat, the installation seat is fixedly arranged on the supporting plate, the two brake pieces are respectively arranged on two sides of the brake disc, and the driving part is used for driving the two brake pieces to synchronously move in the opposite direction so as to clamp or loosen the brake disc.

6. The unwinding device for labels of claim 5, wherein: the driving piece is a pneumatic clamping jaw, and the two brake pads are fixedly arranged on the two pneumatic jaws of the pneumatic clamping jaw respectively.

7. The unwinding device for labels of claim 5, wherein: and a wear-resistant pad is fixedly arranged on the surface of one side, close to the brake disc, of the brake pad.

8. The unwinding device for labels of claim 1, wherein: the sliding assembly comprises a sliding rail and a sliding block, the sliding rail is vertically arranged and fixedly mounted on the surface of one side of the fixed plate, the sliding block is fixedly mounted on the lifting plate, and the sliding block is matched with the sliding rail in a sliding mode.

9. The unwinding device for labels as claimed in claim 1, characterized in that: the first guide roll, the second guide roll and the counterweight roll are all provided with two annular limiting blocks, and an annular limiting groove matched with the label is formed between the two annular limiting blocks.

10. The unwinding device for labels as claimed in claim 1, characterized in that: the rotating shaft is rotatably connected with the supporting plate through a bearing with a seat, a through hole through which the rotating shaft can pass is formed in the supporting plate, and the bearing with the seat is fixedly arranged on the surface of one side of the supporting plate.