CN220131517U

CN220131517U - Ribbon feeding mechanism

Info

Publication number: CN220131517U
Application number: CN202321516443.7U
Authority: CN
Inventors: 覃韬荣; 覃一峰
Original assignee: Guangzhou Tenghao Technology Co ltd
Current assignee: Guangzhou Tenghao Technology Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2023-12-05
Anticipated expiration: 2033-06-14

Abstract

The utility model relates to the technical field of powder puff ribbon seam cutting equipment, and particularly discloses a ribbon feeding mechanism, which comprises a mounting shaft, wherein the mounting shaft is provided with a rotating shaft which is rotationally connected with the mounting shaft and used for mounting an external ribbon reel, a speed limiting mechanism which is fixedly mounted on the mounting shaft and used for controlling the rotating speed of the rotating shaft is arranged on the mounting shaft, and a speed limiting mechanism which is fixedly mounted is arranged on the mounting shaft, so that a locking screw in the speed limiting mechanism is utilized to press down a speed limiting piece to enable the speed limiting piece to be abutted against the rotating shaft, and even when a driving motor stops rotating, the rotating shaft cannot continue rotating due to friction force generated by abutting the surface of the speed limiting piece and the rotating shaft, so that the ribbon wound on the ribbon reel cannot be discharged, and the ribbon can be kept in a certain tensioning state without influencing the processing of a subsequent procedure.

Description

Ribbon feeding mechanism

Technical Field

The utility model relates to the technical field of powder puff ribbon seam cutting equipment, in particular to a ribbon feeding mechanism.

Background

The traditional air cushion powder puff silk ribbon needs to be manually operated with a sewing machine to finish silk ribbon sewing, and then is manually cut by fusing silk ribbon, so that the working procedure has low working efficiency, the reject ratio of products is high, and at present, some full-automatic powder puff silk ribbon sewing cutting machines are developed in the industry, which can fully automatically finish the actions of feeding, sewing, hot cutting, blanking and the like of the powder puff silk ribbon.

However, in the existing automatic ribbon sewing and cutting machine for powder puff ribbon, the ribbon is generally wound on a ribbon disc, when the ribbon needs to be threaded, firstly the ribbon disc needs to be installed on a rotating shaft, then one end of a driving wheel for rotating and dragging the ribbon drives the rotating shaft to rotate so as to drive the ribbon disc to rotate so as to discharge the ribbon, but because the ribbon disc is limitedly installed on the rotating shaft, when the driving wheel drags the ribbon to drive the rotating shaft to rotate so as to discharge the ribbon, if the driving wheel stops rotating or slows down the rotating speed, the inertia of the ribbon disc still continues to drive the rotating shaft to rotate, thereby causing the rotating speeds of the ribbon disc and the driving wheel to be inconsistent, and the ribbon disc still continuously rotates so as to discharge the ribbon, thus the ribbon which is discharged can be loose, and further the next working procedure processing can be affected.

The technical problems to be solved by the utility model are as follows: a ribbon feeding mechanism capable of controlling the rotation speed of a ribbon disc and keeping the tension of the ribbon constantly is designed.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a ribbon feeding mechanism.

The technical scheme adopted by the utility model is as follows: the utility model provides a silk ribbon feeding mechanism, includes the installation axle, and the installation axle is equipped with the axis of rotation that is used for installing external silk tep reel with it to rotate to be connected, is equipped with the speed limiting mechanism that is used for controlling the axis of rotation rotational speed with it fixed mounting on the installation axle, and speed limiting mechanism includes the link with installation axle fixed connection, with link screw thread fit's locking screw and the speed limiting piece of being connected with the link rotation, thereby the one end of locking screw is pressed in the speed limiting piece and is made speed limiting piece and axis of rotation butt.

Through being equipped with speed limiting mechanism, so make the silk tape reel can not drive the axis of rotation and rotate and thereby carry out the blowing to the silk ribbon because of inertia when not having external force to pull the silk ribbon, and then make the silk ribbon can keep certain tensioning state.

In some embodiments, the mounting shaft is provided with a bearing in limited fixed mounting with the mounting shaft, and the rotating shaft is in limited fixed mounting with the bearing, such that the rotating shaft is rotatably connected with the mounting shaft by the limited fixed mounting of the rotating shaft with the bearing.

In some embodiments, the installation shaft is provided with a supporting rod in limiting fixed connection with the installation shaft, the supporting rod is provided with an installation plate in fixed connection with the installation shaft, the installation plate is provided with a limiting mechanism in fixed installation with the installation plate, the limiting mechanism comprises a first connection shaft in fixed installation with the installation plate, a rotating plate in rotating connection with the first connection shaft and a limiting wheel in rotating connection with one end of the rotating plate, the limiting wheel is provided with a limiting groove, and the limiting groove is in limiting fit with the ribbon disc.

In some embodiments, the other end of the rotating plate is provided with a connecting screw fixedly connected with the rotating plate, the connecting screw is provided with a first spring, one end of the first spring is fixedly connected with the connecting screw, the mounting plate is also provided with a first connecting rod fixedly mounted with the mounting plate, and the other end of the first spring is fixedly connected with the first connecting rod.

In some embodiments, the mounting plate is further provided with a first tensioning mechanism and a second tensioning mechanism which are fixedly mounted on the mounting plate, the first tensioning mechanism comprises a second connecting shaft fixedly mounted on the mounting plate, the second connecting shaft is provided with a first tensioning wheel rotatably connected with the second connecting shaft, and the first tensioning mechanism and the second tensioning mechanism are sequentially arranged up and down, so that a certain tensioning state of the ribbon can be maintained.

In some embodiments, the second connecting shaft is provided with a belt-missing photoelectric sensor fixedly installed with the second connecting shaft, the belt-missing photoelectric sensor is located on a belt conveying path of the silk belt, whether the silk belt is broken or whether the blanking of the silk belt on the whole silk belt disc is finished can be timely detected through the belt-missing photoelectric sensor, and accordingly early warning signals can be timely sent to inform workers of timely replacing the silk belt disc.

In some embodiments, the second tensioning mechanism comprises a third connecting shaft fixedly connected with the mounting plate and a mounting frame fixedly mounted with the third connecting shaft, and the mounting frame is provided with two second tensioning wheels rotatably connected with the second tensioning wheel.

In some embodiments, the mounting plate is further provided with an excessive tensioning mechanism fixedly mounted with the mounting plate, the excessive tensioning mechanism comprises a fourth connecting shaft fixedly mounted with the mounting plate and a rotating frame rotationally connected with the fourth connecting shaft, the rotating frame is respectively provided with a ribbon guide wheel and a pressing wheel rotationally connected with the rotating frame, the rotating frame is provided with a handle which is in limit mounting with the rotating frame, one end of the handle is provided with a second spring fixedly connected with the handle, the mounting plate is further provided with a second connecting rod fixedly mounted with the mounting plate, and the other end of the second spring is fixedly connected with the second connecting rod.

In some embodiments, the mounting plate is provided with a drive motor fixedly mounted thereto, the drive motor being provided with a drive wheel in driving connection therewith, the pinch wheel being pressed against the surface of the drive wheel.

In some embodiments, the mounting plate is further provided with a connecting plate fixedly mounted with the mounting plate, the connecting plate is L-shaped, the connecting plate is provided with an electric eye detector fixedly mounted with the connecting plate for controlling the driving motor to rotate, the electric eye detector is in signal connection with the driving motor, the mounting plate is further provided with a mounting seat fixedly mounted with the mounting plate, and the mounting seat is provided with a discharging wheel in running fit with the mounting seat for discharging the traction wire belt.

The utility model has the following technical effects: through being equipped with fixed mounting's speed limiting mechanism on the installation axle, thereby utilize locking screw in the speed limiting mechanism to push down the speed limiting piece and make speed limiting piece and axis of rotation butt, so make even when driving motor stops rotating, because the frictional force that speed limiting piece and axis of rotation surface butt produced makes the reel can not continue to rotate because of inertia to also can not carry out the blowing to the silk ribbon of rolling on the reel, and then can make the silk ribbon keep certain tensioning state and can not influence the processing of later process.

Drawings

FIG. 1 is a schematic view of a ribbon feeding mechanism of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 in a portion A of the ribbon feeding mechanism of the present utility model;

FIG. 3 is a schematic view of the speed limiting mechanism of the ribbon feeding mechanism of the present utility model;

FIG. 4 is a schematic view of a ribbon feeding mechanism of the present utility model;

fig. 5 is a schematic view of the structure of fig. 4B of the ribbon feeding mechanism of the present utility model.

The reference numbers and designations in the figures correspond to the following: 1. a mounting shaft; 2. a rotating shaft; 20. a reel; 21. a limiting block; 22. a limit screw; 3. a speed limiting mechanism; 30. a connecting frame; 31. a locking screw; 32. a speed limiting sheet; 10. a bearing; 11. a mounting plate; 12. a support rod; 4. a limiting mechanism; 40. a first connecting shaft; 41. a rotating plate; 42. a limiting wheel; 43. a limit groove; 44. a connecting screw; 45. a first spring; 46. a first connecting rod; 5. a first tensioning mechanism; 6. a second tensioning mechanism; 50. a second connecting shaft; 51. a first tensioning wheel; 52. a belt-missing photoelectric sensor; 60. a third connecting shaft; 61. a mounting frame; 62. a second tensioning wheel; 7. an overstretching mechanism; 70. a fourth connecting shaft; 71. a rotating frame; 72. a ribbon guide wheel; 73. a pinch roller; 74. a handle; 75. a second spring; 76. a second connecting rod; 8. a driving motor; 80. a driving wheel; 9. a connecting plate; 90. an electric eye detector; 91. a mounting base; 92. and a discharging wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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. 1-5, the present utility model provides a technical solution: the utility model provides a silk ribbon feeding mechanism, including installation axle 1, be equipped with the axis of rotation 2 of rotating connection with it on installation axle 1, be equipped with two with its spacing fixed mounting's bearing 10 on installation axle 1, thereby through making axis of rotation 2 and two bearing 10 spacing fixed mounting make axis of rotation 2 and installation axle 1 rotate and be connected, silk ribbon dish 20 spacing fixed mounting is on axis of rotation 2, the rolling has the silk ribbon on the silk ribbon dish 20, be equipped with one with axis of rotation 2 spacing complex stopper 21 in one side of silk ribbon dish 20, be equipped with one with its screw-thread complex stop screw 22 on stopper 21, stop screw 22's one end passes stopper 21 and silk ribbon dish 20 counterbalance, can make silk ribbon dish 20 keep stability when following axis of rotation 2 through utilizing stop screw 22 to support silk ribbon dish 20.

The installation shaft 1 is provided with a speed limiting mechanism 3 fixedly installed on the installation shaft and used for controlling the rotating speed of the rotating shaft 2, the speed limiting mechanism 3 comprises a connecting frame 30 fixedly connected with the installation shaft 1, a locking screw 31 in threaded fit with the connecting frame 30 and a speed limiting piece 32 in rotating connection with the connecting frame 30, the speed limiting piece 32 can be pressed down by the locking screw 31 through threaded fit of the locking screw 31 and the connecting frame 30, so that the speed limiting piece 32 is in frictional contact with the rotating shaft 2 in a propping way, and therefore the ribbon disc 20 can not drive the rotating shaft 2 to rotate due to inertia, and continuous discharging of ribbons is achieved.

The installation axle 1 is equipped with the bracing piece 12 with its spacing fixed connection, bracing piece 12 is equipped with the mounting panel 11 with its fixed connection, be equipped with the stop gear 4 with its fixed mounting on mounting panel 11, this stop gear 4 includes first connecting axle 40 with mounting panel 11 fixed mounting, rotating plate 41 and the spacing wheel 42 of being connected with the rotation of rotating plate 41 one end rotation, be equipped with spacing groove 43 on this spacing wheel 42, the silk ribbon dish 20 card is in spacing cooperation with it in the middle of spacing groove 43, be equipped with the connecting screw 44 with its fixed connection at the rotating plate 41 other end, connecting screw 44 is equipped with one end and its fixed connection's first spring 45, mounting panel 11 still be equipped with its fixed mounting's head rod 46, the first spring 45 other end and head rod 46 fixed connection, when silk ribbon on silk ribbon dish 20 need put the material, first install silk ribbon 20 on axis of rotation 2, the one end of pulling the silk ribbon is walked around spacing wheel 42 and is by spacing wheel 42 to its trend, because rotating plate 41 is with first connecting axle 40 normal running into a running into with the rotation, through using first spring 45 and the spacing wheel 45 to keep the silk ribbon dish 20 to be able to change the diameter with the first spring 45 when the silk ribbon dish 20 is just like this, can not be with the diameter of the first connecting plate 42, and can change the silk ribbon dish 20, and can be kept the diameter of the silk ribbon is kept to change with the head rod 42.

The first tensioning mechanism 5 and the second tensioning mechanism 6 which are fixedly installed on the mounting plate 11 are further arranged on the mounting plate 11, the first tensioning mechanism 5 comprises a second connecting shaft 50 fixedly installed on the mounting plate 11, the second connecting shaft 50 is provided with a first tensioning wheel 51 which is rotatably connected with the second connecting shaft, a belt-lacking photoelectric sensor 52 which is fixedly installed on the second connecting shaft 50 is arranged on a belt-moving path of the silk belt, when the silk belt is pulled by the limiting wheel 42 to move backwards, the first tensioning wheel 51 continues to pull the silk belt to keep the tension degree, and the silk belt is pulled by the first tensioning wheel 51 to move backwards and further passes through the belt-lacking photoelectric sensor 52, whether the silk belt is broken or whether the silk belt wound on the silk belt disc 20 is completely discharged or not can be timely detected by the belt-lacking photoelectric sensor 52, so that early warning signals can be timely sent out to inform a worker to timely replace the silk belt disc 20.

The second tensioning mechanism 6 comprises a third connecting shaft 60 fixedly connected with the mounting plate 11 and a mounting frame 61 fixedly mounted with the third connecting shaft 60, the mounting frame 61 is provided with two second tensioning wheels 62 rotatably connected with the mounting frame 61, and the silk ribbon is pulled by the first tensioning wheels 51 to move backwards and then is pulled by passing through the two second tensioning wheels 62 in an S-shaped manner, so that the tension degree of the silk ribbon is continuously maintained.

The mounting plate 11 is further provided with an overstretching mechanism 7 fixedly mounted with the overstretching mechanism 7, the overstretching mechanism 7 is positioned below the second tensioning mechanism 6, the overstretching mechanism 7 comprises a fourth connecting shaft 70 fixedly mounted with the mounting plate 11 and a rotating frame 71 rotatably connected with the fourth connecting shaft 70, the rotating frame 71 is L-shaped, the rotating frame 71 is respectively provided with a ribbon guide wheel 72 and a hold-down wheel 73 which are rotatably connected with the rotating frame 71, the rotating frame 71 is provided with a handle 74 which is in limiting mounting with the rotating frame, the ribbon guide wheel 72 is positioned at one end close to the handle 74, one end of the handle 74 is provided with a second spring 75 fixedly connected with the handle 74, the mounting plate 11 is further provided with a second connecting rod 76 fixedly mounted with the mounting plate, the other end of the second spring 75 is fixedly connected with the second connecting rod 76, the mounting plate 11 is provided with a driving motor 8 fixedly mounted with the driving wheel 80 in a driving way, the driving motor 8 is provided with a driving wheel 80 in driving way, the hold-down wheel 73 is pressed on the surface of the driving wheel 80, when a ribbon passes through the second tensioning mechanism 6, at the moment, one end of the rotating frame 71 is pressed down by the handle 74, the rotating frame 71 is made to rotate around the fourth connecting shaft 70, the driving wheel 73 is separated from the driving wheel 73 by the driving wheel 80, the driving wheel 80 is separated from the driving wheel, the driving wheel 80, the driving wheel is wound around the driving wheel 80, the driving wheel is pressed by the driving wheel 80, and finally, the driving wheel 80 is pressed by the driving wheel 80 through the driving wheel and the driving wheel 80.

The mounting plate 11 is also provided with a connecting plate 9 fixedly arranged on the mounting plate 11, the connecting plate 9 is L-shaped, the connecting plate 9 is provided with an electric eye detector 90 fixedly arranged on the connecting plate 9, the electric eye detector 90 is in signal connection with the driving motor 8, the electric eye detector 90 is used for detecting the length of the belt traction blanking, because the surface of the belt is provided with a plurality of belt marks, the distances between the adjacent belt marks are equal, the electric eye detector 90 is used for detecting the forward traction conveying quantity of the belt marks, for example, the distance between each belt mark is 60MM, if 60MM of the belt is required to be blanked, when the driving motor 8 rapidly drives the driving wheel 80 to traction the belt to convey 55MM, the rotation speed of the rest 5MM driving motor 8 is reduced, and when the electric eye detector 90 detects the belt marks, a signal is sent to control the driving motor 8 to stop rotating; the mounting plate 11 is also provided with a mounting seat 91 fixedly mounted with the mounting plate, and the mounting seat 91 is provided with two discharging wheels 92 which are arranged in a vertical mirror image manner and are in rotary fit with the mounting seat for drawing the discharge of the silk ribbon.

The working principle of the utility model is as follows: firstly, the ribbon reel 20 on which the ribbon is wound is fixedly and limitedly arranged on the rotating shaft 2, then one end of the ribbon is pulled to sequentially pass through the limiting mechanism 4, the first tensioning mechanism 5, the second tensioning mechanism 6, the excessive tensioning mechanism 7 and the discharging wheel 92 in an S shape, the driving motor 8 is utilized to drive the driving wheel 80 to rotate, so that the ribbon is pulled to drive the rotating shaft 2 and the ribbon reel 20 to rotate, the ribbon is further discharged, the speed limiting mechanism 3 fixedly arranged on the mounting shaft 1 and used for controlling the rotating speed of the rotating shaft 2 is arranged, and the speed limiting piece 32 is pressed down by the locking screw 31 in the speed limiting mechanism 3, so that the speed limiting piece 32 is abutted against the rotating shaft 2, even when the driving motor 8 stops rotating, the rotating shaft 2 can not continue to rotate due to the friction force generated by the abutting of the speed limiting piece 32 and the surface of the rotating shaft 2, and the ribbon reel 20 can not rotate due to self inertia, so that the ribbon wound on the ribbon reel 20 can not be discharged, and further the ribbon can be kept in a certain tensioning state and the subsequent processing procedure can not be influenced.

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 to the foregoing embodiments, but may be modified or substituted for some of the features described in 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. The utility model provides a silk ribbon feeding mechanism, includes installation axle (1), installation axle (1) are equipped with rotation axis (2) that are used for installing external silk tape dish (20) with it swivelling joint, a serial communication port, be equipped with speed limiting mechanism (3) that are used for controlling axis of rotation (2) rotational speed with fixed mounting on installation axle (1), speed limiting mechanism (3) include with installation axle (1) fixed connection's link (30), with link (30) screw thread fit's locking screw (31) and with link (30) swivelling joint's speed limiting piece (32), thereby the one end pressure of locking screw (31) makes speed limiting piece (32) and axis of rotation (2) butt in speed limiting piece (32).

2. Ribbon feeding mechanism according to claim 1, characterized in that the mounting shaft (1) is provided with a bearing (10) in a limited fixed mounting with the mounting shaft, and the rotating shaft (2) is in a limited fixed mounting with the bearing (10).

3. The ribbon feeding mechanism according to claim 1, characterized in that the mounting shaft (1) is provided with a supporting rod (12) in limiting fixed connection with the mounting shaft, the supporting rod (12) is provided with a mounting plate (11) in fixed connection with the supporting rod, the mounting plate (11) is provided with a limiting mechanism (4) in fixed mounting with the mounting plate, the limiting mechanism (4) comprises a first connecting shaft (40) in fixed mounting with the mounting plate (11), a rotating plate (41) in rotating connection with the first connecting shaft (40) and a limiting wheel (42) in rotating connection with one end of the rotating plate (41), the limiting wheel (42) is provided with a limiting groove (43), and the limiting groove (43) is in limiting fit with the ribbon disc (20).

4. A ribbon feeding mechanism according to claim 3, wherein the other end of the rotating plate (41) is provided with a connecting screw (44) fixedly connected with the rotating plate, the connecting screw (44) is provided with a first spring (45) with one end fixedly connected with the connecting screw, the mounting plate (11) is further provided with a first connecting rod (46) fixedly mounted with the mounting plate, and the other end of the first spring (45) is fixedly connected with the first connecting rod (46).

5. A ribbon feeding mechanism according to claim 3, wherein the mounting plate (11) is further provided with a first tensioning mechanism (5) and a second tensioning mechanism (6) fixedly mounted thereon, the first tensioning mechanism (5) comprises a second connecting shaft (50) fixedly mounted with the mounting plate (11), and the second connecting shaft (50) is provided with a first tensioning wheel (51) rotatably connected therewith.

6. The ribbon feeding mechanism as defined by claim 5, wherein the second connecting shaft (50) is provided with a ribbon-lacking photoelectric sensor (52) fixedly installed thereon, and the ribbon-lacking photoelectric sensor (52) is located on a ribbon travelling path of the ribbon.

7. The ribbon feeding mechanism according to claim 5, wherein the second tensioning mechanism (6) comprises a third connecting shaft (60) fixedly connected with the mounting plate (11), and a mounting frame (61) fixedly mounted with the third connecting shaft (60), and the mounting frame (61) is provided with two second tensioning wheels (62) rotatably connected with the second tensioning wheels.

8. A ribbon feeding mechanism according to claim 3, characterized in that the mounting plate (11) is further provided with an excessive tensioning mechanism (7) fixedly mounted with the mounting plate, the excessive tensioning mechanism (7) comprises a fourth connecting shaft (70) fixedly mounted with the mounting plate (11) and a rotating frame (71) rotatably connected with the fourth connecting shaft (70), the rotating frame (71) is respectively provided with a ribbon guide wheel (72) and a hold-down wheel (73) rotatably connected with the rotating frame, the rotating frame (71) is provided with a handle (74) in limiting mounting with the rotating frame, one end of the handle (74) is provided with a second spring (75) fixedly connected with the handle, the mounting plate (11) is further provided with a second connecting rod (76) fixedly mounted with the mounting plate, and the other end of the second spring (75) is fixedly connected with the second connecting rod (76).

9. Ribbon feeding mechanism according to claim 8, characterized in that the mounting plate (11) is provided with a driving motor (8) fixedly mounted therewith, the driving motor (8) is provided with a driving wheel (80) in transmission connection therewith, and the pinch wheel (73) is pressed against the surface of the driving wheel (80).

10. The ribbon feeding mechanism according to claim 9, wherein the mounting plate (11) is further provided with a connecting plate (9) fixedly mounted with the mounting plate, the connecting plate (9) is in an L shape, the connecting plate (9) is provided with an electric eye detector (90) fixedly mounted with the connecting plate for controlling the rotation of the driving motor (8), the electric eye detector (90) is in signal connection with the driving motor (8), the mounting plate (11) is further provided with a mounting seat (91) fixedly mounted with the mounting plate, and the mounting seat (91) is provided with a discharging wheel (92) which is in running fit with the mounting seat for drawing ribbon discharging.