CN217836398U - Buffer device for label transmission - Google Patents

Abstract

The utility model discloses a buffer that label transmission used belongs to label conveyor field, and it mainly includes unwinding structure, transport structure, frame and buffer structure. The frame includes two fixed plates, and the space that two fixed plate parallel placed formed is the surge chamber, and fixed plate one end is fixed with the fan, and the fan direction of blowing is towards the surge chamber, and the fan can be according to demand height-adjusting and angle. The photoelectric sensing device is arranged at one end, far away from the fan, of the fixing plate, when the material roll is relaxed, the photoelectric sensing device detects that the material roll can be controlled to stop discharging, the conveying structure continues conveying, the pressure of the fan blowing air passing through the buffer chamber is reduced, the pressure of the external atmospheric pressure tensions the relaxed label, and when the photoelectric sensing device cannot detect that the material roll is relaxed, the material roll continues discharging; when the material roll is too tight, the sponge roller made of sponge can buffer the tension. The utility model discloses have buffer tension, improve the surface quality's of label effect.

Description

Buffer that label transmission used

Technical Field

The utility model relates to a buffer, in particular to buffer of transmission usefulness.

Background

In the current society, the use of labels is more and more extensive, and the automatic detection technology of labels is also more and more advanced, and its detection is fast, characteristics that the precision is high are widely applied to label manufacturing enterprise. However, the label detection equipment adopts a loose-roll mode for detection, so that the problems that the tension is too large when the label is pulled, the label is easily broken, the quality of the label is influenced and the like exist.

The current publication No. CN215895486U of the utility model discloses a RFID package label buffer device, which mainly comprises a fan and an electric eye for measuring objects. When the object detection electric eye detects that the label roll is loose, an instruction is sent to stop unwinding, the label is continuously transmitted from the other end, wind generated by the fan blows the label vertically downwards, downward force is applied to the label by utilizing kinetic energy of air flowing generated by the fan, and the provided force is concentrated in one area, so that the stress on the surface of the label is uneven.

The scheme has the defects that the wind action area provided by the fan is limited, so that the stress on all parts of the label roll is uneven, and the surface quality of the label is influenced.

SUMMERY OF THE UTILITY MODEL

In order to alleviate the problem that the wind power action area that provides because of the fan is limited and label everywhere atress inequality leads to influencing label surface quality, this application provides a buffer that label transmission used.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a buffer that label transmission was used, includes unwinding structure, transport structure, frame and buffer structure, unwinding structure fixed connection is in the one end of frame, transport structure fixed connection keeps away from unwinding structure's one end in the frame, and the surge chamber has been seted up to the frame, the surge chamber runs through the frame along the direction of conveyance of label, buffer structure includes the fan, the fan is located surge chamber one end and the fan direction of blowing is the same with label direction of conveyance, and the wind that the fan produced is located the below of label.

Through adopting above-mentioned technical scheme, the fan is bloied and is run through the cushion chamber, and the fast pressure of cushion chamber air flow rate is little, and the cushion chamber is gushed into to the air that is located the opposite side of label under the pressure differential effect, produces decurrent pressure to the label of relaxing and makes the label tensioning, and the air flow that the pressure differential that this application utilized produced reduces the influence of label to label surface quality to the pressure distribution more even that the label was applyed.

Preferably, the frame comprises two fixing plates, and a space between the two fixing plates forms the buffer chamber.

Through adopting above-mentioned technical scheme, can improve buffering effect in can restricting the wind that the fan blew off in the surge chamber space.

Preferably, the buffer structure further comprises a fan seat, the fan seat is mounted on one side of the rack, the fan is rotatably connected to the fan seat, the fan is horizontally arranged relative to the rotation axis direction of the fan seat and perpendicular to the conveying direction of the label, and a locking bolt perpendicular to the shaft is arranged on the fan seat at the same height as the shaft.

Through adopting above-mentioned technical scheme, can change the angle of blowing of fan through the axis of rotation.

Preferably, the fan seat comprises a fan seat main body and convex plates fixedly connected to two sides of the fan seat main body, a sliding groove is vertically formed in the end face, close to the buffering structure, of one end of the fixing plate along the fan seat, the convex plates are arranged in the sliding groove, a through groove connected with the sliding groove is formed in the side, opposite to the fixing plate, of the fixing plate, and the length direction of the through groove is the same as that of the sliding groove; the convex plate is in threaded connection with a positioning bolt, and the positioning bolt penetrates through the through groove and the convex plate and abuts against the side wall of the sliding groove.

By adopting the technical scheme, the convex plate slides in the sliding groove and is fixed by the positioning bolt, so that the vertical position of the fan seat can be adjusted to control the blowing height of the fan.

Preferably, one end of the fixing plate, which is far away from the fan, is provided with a photoelectric sensing device, and when the photoelectric sensing device is triggered, the unwinding structure stops working.

Through adopting above-mentioned technical scheme, relax flagging to the photoelectric sensing device and trigger when the label book, photoelectric sensing device can control the structure of unreeling and stop the unreeling.

Preferably, the conveying structure comprises a first shaft, a first motor and a driven shaft, the first shaft is connected to one end of the rack through a bearing and is perpendicular to a plane where the fixing plate is located, the first motor is fixedly connected to the fixing plate, and an output shaft of the first motor is connected with the first shaft through a coupling.

Through adopting above-mentioned technical scheme, the fan during operation, the buffer chamber interior gas flow rate is fast, and buffer chamber atmospheric pressure is less than atmospheric pressure, can increase the area that the label received atmospheric pressure like this, and the better label tension of alleviating, first motor can drive the primary shaft rotation and transmit the label.

Preferably, a spongy cushion is sleeved on the driven shaft, and the outer wall of the spongy cushion is in contact with the first shaft.

Through adopting above-mentioned technical scheme, when the tension that the label was drawn, the driven shaft volume is compressible, can alleviate tension, reduces the too big damage to the label of tension.

Preferably, the unwinding structure comprises a second shaft and a second motor, the second shaft is parallel to the first shaft, a target disc is arranged at one end of the second shaft and is concentrically and fixedly connected with the second shaft, the radius of the target disc is larger than that of the second shaft, and an output shaft of the second motor is fixedly connected to the fixing plate and is connected with the second shaft through a coupler.

Through adopting above-mentioned technical scheme, the second motor drive second shaft rotates and unwinds, and the label dish can avoid the label to roll up to one end axial displacement, makes the working process stable.

Preferably, a removable end cover is arranged at one end of the second shaft far away from the target disc, and the radius of the end cover is larger than that of the second shaft.

Through adopting above-mentioned technical scheme, the axial fixity of label book can be realized to end cover cooperation mark dish.

In summary, the present application has the following beneficial effects:

one is as follows: the fan is bloied and is run through the surge chamber, and the surge chamber air flow rate is fast pressure little, and the surge chamber is gushed to the outside air, produces decurrent pressure to the label that relaxes and makes the label tensioning, and pressure evenly distributed, can not make label surface quality influential.

The second step is as follows: the fan seat is connected with the rack in a sliding mode, the blowing height can be adjusted by adjusting the relative position of the fan seat and the rack, and the buffering effect is improved.

And thirdly: the photoelectric detection device can detect abnormal conveying in time and stop unwinding.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a partial schematic view of an embodiment rack;

FIG. 3 is a partial schematic view of an unwinding structure according to an embodiment;

FIG. 4 is a partial schematic view of an embodiment delivery structure;

FIG. 5 is a partial schematic view of an embodiment cushioning structure;

fig. 6 is a schematic diagram of the working principle of the embodiment.

Reference numerals are as follows: 1. an unwinding structure; 2. a conveying structure; 3. a frame; 4. a buffer structure; 5. a fixing plate; 6. a buffer chamber; 7. a fan; 8. a photoelectric sensing device; 9. a first shaft; 10. a driven shaft; 11. a second shaft; 12. marking a plate; 13. An end cap; 14. a fan base; 15. a through groove; 16. a chute; 17. a convex plate; 18. a first motor; 19. a second motor; 20. a fan base main body; 21. positioning the bolt; 22. and locking the bolt.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Example (b): as shown in fig. 1, the present invention discloses a buffer device for label transmission.

The buffer device mainly comprises an unwinding structure 1, a conveying structure 2, a rack 3 and a buffer structure 4. An unwinding arrangement 1 is located above one end of the frame 3 for paying out labels. The conveying structure 2 is positioned at the top of one end of the frame 3 far away from the unwinding structure 1 and is used for conveying the label unwound by the unwinding structure 1. The buffer structure 4 is arranged at the same end of the unwinding structure 1 on the frame 3, and when the label roll is unwound, the label roll is tensioned by changing the air pressure at the upper side and the lower side of the label roll.

Referring to fig. 2, the frame 3 includes two fixing plates 5, and the two fixing plates 5 are disposed in parallel and form a buffer chamber. The equal vertical spout 16 of having seted up of one end terminal surface of fixed plate 5, the vertical logical groove 15 is seted up to one side that fixed plate 5 carried on the back mutually, leads to groove 15 and spout 16 intercommunication. The fixed plate 5 is far away from the position that leans on of the one end that is equipped with spout 16 and is installed photoelectric sensing device 8, can detect whether the label is rolled up and relax, and when the label was rolled up and is relaxed, the label droops till photoelectric sensing device 8 triggers, and photoelectric sensing device 8 can control unwinding structure 1 and stop the unwinding, treats that the label is rolled up and controls unwinding structure 1 and continue the unwinding when taut.

Referring to fig. 3, the unwinding structure 1 comprises a second motor 19, a second shaft 11, a target 12 and an end cap 13. The lateral wall fixedly connected with support on the frame 3 keeps away from the one end of transport structure 2, and second shaft 11 rotates and connects in the support.

The second motor 19 is fixedly connected to the bracket and drives the second shaft 11 to rotate. The label plate 12 is coaxially and fixedly connected with the second shaft 11, and the radius of the label plate 12 is larger than that of the second shaft 11, so that the axial movement of the label roll can be better limited. The end cover 13 is positioned at one end of the second shaft 11 far away from the target disc 12, the end cover 13 is in threaded connection with the second shaft 11, and the radius of the end cover 13 is larger than that of the second shaft 11. The end cover 13 is matched with the label disc 12, so that the axial position of the label roll can be better fixed, and the label roll is stably uncoiled and conveyed.

With reference to fig. 4, the conveying structure 2 comprises a first shaft 9, a driven shaft 10 and a first motor 18. The first axle 9 and the driven shaft 10 are connected at the top of frame 3 one end through the bearing, and the first axle 9 receives the effect of the power of first motor 18 to rotate and carries the label, and the surface cover of driven shaft 10 is equipped with the foam-rubber cushion, and the foam-rubber cushion contacts with first axle 9, and the driven shaft 10 rotates along with first axle 9 and carries the label. When the label is too tight, the driven shaft 10 may deform slightly to relieve the tension.

Referring to fig. 5, the buffer structure 4 includes a fan base 14 and a fan 7, the fan 7 is mounted at one end of the fan base through a horizontally disposed shaft, the fan 7 can adjust the blowing angle with the rotation of the shaft, and is fixed by a locking bolt 22.

The fan seat 14 comprises a fan seat main body 20 and convex plates 17 fixedly connected to two sides of the fan seat main body 20, the convex plates 17 are arranged in the sliding groove 16, the convex plates 17 are in threaded connection with positioning bolts 21, and the positioning bolts penetrate through the through grooves 15 and the convex plates 17 and abut against the side walls of the sliding groove 16. This allows the required blowing height to be adjusted by sliding the protruding plate 17 in the sliding slot 16.

Referring to fig. 6, the fan 7 blows towards and through the buffer chamber 6, the air in the buffer chamber 6 flows fast and has small pressure, the outside air rushes into the buffer chamber 6 to generate pressure on the label, so that the label is tensioned, and the label is uniformly stressed everywhere without affecting the surface quality of the label.

The implementation principle of the buffer device for the label disclosed by the embodiment of the application is as follows:

before the device starts to work, the blowing height and the blowing angle of the fan 7 are adjusted according to actual requirements. The roll of labels placed on the second shaft 11 is secured by the end cap 13. One end of the label roll is placed extended over the first shaft 9 and the driven shaft 10 and tensioned.

Referring to fig. 6, during operation, if the photoelectric sensing device 8 detects that the label roll is unwound, the second shaft 11 is automatically triggered and controlled to stop rotating, and the first shaft 9 and the driven shaft 10 continue to convey the labels forward. The fan 7 blows to the buffer chamber 6, so that the air flow speed of the buffer chamber 6 is accelerated, the pressure is reduced, the outside air flows into the buffer chamber, downward pressure is formed on the upper surface of the label, and the label roll is tensioned. Until the photoelectric sensing device 8 can not detect that the label roll is loosened, the second shaft 11 is controlled to rotate to continue unwinding. If the tension of the label roll is too high, the driven shaft 10 made of sponge material will generate slight deformation to buffer the tension.

The above-mentioned embodiments are not intended to limit the scope of the present application, and all equivalent changes in structure, shape and principle of the present application should be covered by the present application.

Claims (9)

1. A buffer device for label transfer, comprising: including unwinding structure (1), transport structure (2), frame (3) and buffer structure (4), unwinding structure (1) fixed connection is in the one end of frame (3), transport structure (2) fixed connection keeps away from the one end of unwinding structure (1) in frame (3), and surge chamber (6) have been seted up in frame (3), surge chamber (6) run through frame (3) along the direction of conveyance of label, buffer structure (4) include fan (7), fan (7) are located surge chamber (6) one end and fan (7) and blow the direction the same with label direction of conveyance, and the wind that fan (7) produced is located the below of label.

2. A buffer device for label transfer according to claim 1, wherein: the frame (3) comprises two fixing plates (5), and the space between the two fixing plates (5) forms the buffer chamber (6).

3. A buffer device for label transfer according to claim 2, wherein: buffer structure (4) still include fan seat (14), fan seat (14) are installed in frame (3) one side, fan (7) rotate to be connected in fan seat (14), and fan (7) become the horizontal setting and perpendicular to label's direction of delivery relative with the axis of rotation direction of fan seat (14), and the same height of axle is provided with the locking bolt (22) of perpendicular to axle on fan seat (14).

4. A buffer device for label transfer according to claim 3, wherein: the fan seat (14) comprises a fan seat main body (20) and convex plates (17) fixedly connected to two sides of the fan seat main body (20), a sliding groove (16) is vertically formed in the end face, close to the buffering structure (4), of one end of the fixing plate (5) along the fan seat (14), the convex plates (17) are arranged in the sliding groove (16), a through groove (15) connected with the sliding groove (16) is formed in the side, opposite to the fixing plate (5), of the fixing plate, and the length direction of the through groove (15) is the same as that of the sliding groove (16); the convex plate (17) is in threaded connection with a positioning bolt (21), and the positioning bolt (21) penetrates through the through groove (15) and the convex plate (17) and abuts against the side wall of the sliding groove (16).

5. A buffer device for label transfer according to claim 3, wherein: one end of the fixing plate (5) far away from the fan (7) is provided with a photoelectric sensing device (8), and when the photoelectric sensing device (8) is triggered, the unwinding structure (1) stops working.

6. A buffer device for label transfer according to claim 1, wherein: conveying structure (2) include primary shaft (9), first motor (18) and driven shaft (10), and primary shaft (9) pass through the bearing and connect the one end in frame (3) and the plane that perpendicular to fixed plate (5) are located, and first motor (18) fixed connection is on fixed plate (5), and the output shaft and primary shaft (9) of first motor (18) pass through the coupling joint.

7. The buffering mechanism for label transmission according to claim 6, wherein: a spongy cushion is sleeved on the driven shaft (10), and the outer wall of the spongy cushion is in contact with the first shaft (9).

8. A buffer device for label transfer according to claim 1, wherein: unwinding structure (1) includes second shaft (11) and second motor (19), and second shaft (11) are on a parallel with primary shaft (9), and second shaft (11) one end is equipped with mark dish (12) rather than concentric fixed connection, and mark dish (12) radius is greater than the radius of second shaft (11), and the output shaft fixed connection of second motor (19) just passes through coupling joint second shaft (11) on fixed plate (5).

9. A buffer device for label transfer according to claim 8, wherein: one end of the second shaft (11) far away from the scale plate (12) is provided with a removable end cover (13), and the radius of the end cover (13) is larger than that of the second shaft (11).

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