CN217201418U

CN217201418U - Winding and unwinding devices is used in processing of LED filament

Info

Publication number: CN217201418U
Application number: CN202221042840.0U
Authority: CN
Inventors: 黄尊祥; 李元坚; 戴咏金; 罗廖生; 吕德贵; 李运祥; 梁春生; 朱昌; 唐丽
Original assignee: Ruijin Deyu Photoelectric Co ltd
Current assignee: Ruijin Deyu Photoelectric Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-16
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a winding and unwinding devices is used in LED filament processing belongs to LED filament processing technology field, need the user to carry out the alignment work to the LED filament in advance and be inconvenient for the user to accurately cut the filament into the strip-shaped problem of corresponding length when the existing winding and unwinding devices is used in LED filament processing takes off the filament, including the unable adjustment base, one side at the internal surface top of unable adjustment base is provided with the connecting plate, the opposite side swing joint at the internal surface top of unable adjustment base has the fly leaf, one side swing joint on the external surface of unable adjustment base has the bull stick, one side of bull stick passes the unable adjustment base and is fixed mutually with the surface of connecting plate, the surface that the connecting plate is close to one side of fly leaf is connected with a plurality of sliders in a sliding manner; the utility model discloses avoid the excessive bending of filament to lead to the unable correction of filament to become the straight filament state to can possess certain accuracy nature when needing to carry out corresponding length to the filament and cut off, thereby improve the device's practicality.

Description

Winding and unwinding devices is used in processing of LED filament

Technical Field

The utility model belongs to the technical field of the processing of LED filament, concretely relates to LED filament processing is with winding and unwinding devices.

Background

When the LED lamp filament is produced, the filament material is required to be wound on a shaping mold firstly, and then is annealed and aligned, after cooling, the filament material wound on the disc is required to be shaped and aligned into a straight filament, then the filament is cut, the straight filament is cut and trimmed into a required size, and finally, the cut straight filament is placed on a lamp filament shaping machine to be folded and shaped.

When the winding and unwinding device for LED filament processing among the prior art is winding and unwinding the LED filament, the LED filament needs to be wound to a corresponding take-up mechanism for a long time, so that the filament can be stored, and the following problems exist in the process of actual use:

thereby the filament is coiled for a long time and is accomodate when making the filament take off, is in crooked filiform structure, leads to the filament when carrying out the cutting-off work of corresponding length, needs the user to carry out the alignment work to the LED filament in advance, and the while not convenient to use person rectifies the filament into the straight silk state to reduce the error when cutting off, thereby when in-service use, have certain inconvenient part.

And secondly, when the user needs to cut off the filament, the user is not convenient to accurately cut the filament into strips with corresponding lengths, and the use is not facilitated.

Therefore, a winding and unwinding device for processing an LED filament is needed, and the problems that when the winding and unwinding device for processing the LED filament is used for taking down the filament, a user needs to straighten the LED filament in advance and the user is inconvenient to accurately cut the filament into strips with corresponding lengths in the prior art are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a winding and unwinding devices is used in processing of LED filament to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a winding and unwinding device for processing an LED filament comprises a fixed base, wherein a connecting plate is arranged on one side of the top of the inner surface of the fixed base, a movable plate is movably connected to the other side of the top of the inner surface of the fixed base, a rotating rod is movably connected to one side of the outer surface of the fixed base, one side of the rotating rod penetrates through the fixed base and is fixed to the surface of the connecting plate, a plurality of sliding blocks are slidably connected to the surface of one side, close to the movable plate, of the connecting plate, a central hole is formed in the surface of one side, close to the movable plate, of the movable plate, the outer portion of the central hole is communicated with a plurality of rod grooves, threaded rods are movably connected to the inner portions of the rod grooves, the tops of one threaded rods penetrate through the rod grooves and extend out of the movable plate, rotating handles are fixed to the surfaces, extending out of the movable plate, threaded sleeves are in threaded connection with the outer peripheral surfaces of the threaded rods, and connecting rods are fixed to the positions of the threaded sleeves and the sliding blocks corresponding to the positions, the surface of the threaded rod close to the central hole penetrates through the rod groove and extends into the central hole, and a conical gear is fixedly sleeved on the peripheral surface of the part of the threaded rod extending into the central hole.

In the scheme, an inner bin is arranged in the middle of one end of the fixed base, a graduated scale is arranged at the top of an inner cavity of the inner bin, and a movable shaft is movably connected to the bottom of the inner cavity of the inner bin.

It is further worth explaining that a rack is fixed at the bottom of the graduated scale, and one side of the movable shaft penetrates through the inner bin and extends out of the fixed base.

It should be further noted that a limiting shaft is inserted through the middle position of the graduated scale, and one end of the limiting shaft is fixed with the inner cavity surface of the inner bin.

It should be further noted that a circular gear is fixedly sleeved on the outer peripheral surface of the movable shaft at the position of the inner part of the inner bin, and the top of the circular gear is meshed with the bottom of the rack.

In a preferred embodiment, a fixing shaft is fixed to the bottom of the inner surface of the fixing base, and an opening is formed in the middle of the fixing shaft.

In a preferred embodiment, the surface of the connecting rod is glued with a rubber pad, and the surface of the rubber pad is provided with multiple groups of anti-skid grains.

Compared with the prior art, the utility model provides a pair of winding and unwinding devices is used in processing of LED filament includes following beneficial effect at least:

(1) through coiling partial filament to the surface of connecting rod, and rotate the bull stick, thereby make the connecting plate be circular motion, thereby make the connecting rod be circular motion with the fly leaf, thereby make the filament whole surface of twining the connecting rod, through rotating the turning handle, thereby make the threaded rod be circular motion, thereby make the screw thread bush to the direction motion of keeping away from the centre bore, thereby make the connecting rod to the direction motion of keeping away from each other, thereby make the filament be in the state of straining, thereby avoid the filament excessively crooked lead to the filament can't rectify into straight silk state, thereby can possess certain accuracy when needing to carry out corresponding length to the filament and cut off, thereby the practicality of the device has been improved.

(2) Through rotating the loose axle, thereby make the loose axle and rack take place the meshing effect, thereby make scale horizontal slip, the scale extends to certain length through the scale mark on scale surface, coil the one end of filament to open-ended inside, drag it to the zero scale mark department with the scale afterwards, cut off the scale mark of filament in corresponding length department again, thereby obtain the filament of corresponding length, thereby convenient to use person obtains the filament of corresponding accurate length, thereby the use convenience of the device has been improved, thereby the practicality of the device has further been improved.

Drawings

Fig. 1 is a schematic structural view of the overall structure of the present invention in the front view direction;

fig. 2 is a schematic structural view of the overall structure of the present invention in the rear view direction;

fig. 3 is a schematic perspective view of a movable plate of the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 5 is a schematic perspective sectional view of the local structure of the present invention.

In the figure: 1. a fixed base; 2. a connecting plate; 3. a movable plate; 4. a rotating rod; 5. a fixed shaft; 6. an opening; 7. a central bore; 8. a rod groove; 9. a threaded rod; 10. a handle is rotated; 11. a threaded sleeve; 12. a bevel gear; 13. a slider; 14. a connecting rod; 15. an inner bin; 16. a limiting shaft; 17. a graduated scale; 18. a rack; 19. a movable shaft; 20. a circular gear.

Detailed Description

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

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical solution of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative labor are within the scope of the protection of the present invention based on the described embodiments of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-5, the utility model provides a winding and unwinding device for processing an LED filament, which comprises a fixed base 1, a connecting plate 2 is arranged on one side of the top of the inner surface of the fixed base 1, a movable plate 3 is movably connected on the other side of the top of the inner surface of the fixed base 1, a rotating rod 4 is movably connected on one side of the outer surface of the fixed base 1, one side of the rotating rod 4 passes through the fixed base 1 and is fixed with the surface of the connecting plate 2, a plurality of sliders 13 are slidably connected on the surface of the connecting plate 2 close to one side of the movable plate 3, a central hole 7 is arranged on the surface of the movable plate 3 close to one side of the connecting plate 2, a plurality of rod grooves 8 are communicated with the outside of the central hole 7, a threaded rod 9 is movably connected inside the rod groove 8, the top of one of the threaded rod 9 passes through the rod groove 8 and extends out of the movable plate 3, a rotating handle 10 is fixed on the surface of the threaded rod 9 extending out of the movable plate 3, the outer peripheral face threaded connection of threaded rod 9 has thread bush 11, thread bush 11 is fixed with connecting rod 14 with the intermediate position department that corresponds position slider 13, the surface that threaded rod 9 is close to centre bore 7 position department passes pole groove 8 and extends to the inside of centre bore 7, the fixed cover of outer peripheral face that threaded rod 9 extends to the inside part of centre bore 7 is equipped with bevel gear 12, through rotating turning handle 10, thereby make thread bush 11 slide along the inner chamber that corresponds position pole groove 8, and then under connecting rod 14's connecting action, can drive connecting rod 14 and the slider 13 direction motion of keeping away from each other, thereby improve the interval between the connecting rod 14, thereby make the filament that coils to connecting rod 14 surface be in the state of tightening, thereby avoid the filament to appear the condition of overbending.

Further as shown in fig. 4 and 5, it is worth specifically explaining that an inner bin 15 is arranged at the middle position of one end of the fixing base 1, a scale 17 is arranged at the top of an inner cavity of the inner bin 15, a movable shaft 19 is movably connected to the bottom of the inner cavity of the inner bin 15, a limiting shaft 16 is inserted at the middle position of the scale 17 in a penetrating manner, one end of the limiting shaft 16 is fixed to the inner cavity surface of the inner bin 15, the scale 17 extends out of the inner bin 15, the scale 17 extends to a certain length through a scale mark on the surface of the scale 17, when the scale 17 extends out of the inner bin 15, the scale 17 can only slide along the outer peripheral surface of the limiting shaft 16, so that a certain limiting effect is achieved on the movement track of the scale 17, and the scale 17 can be more stable in the horizontal movement process.

Further as shown in fig. 4 and 5, it is worth specifically explaining that a rack 18 is fixed at the bottom of the scale 17, one side of the movable shaft 19 penetrates through the inner bin 15 and extends out of the fixing base 1, a circular gear 20 is fixedly sleeved at a position where the outer peripheral surface of the movable shaft 19 is located at the inner portion of the inner bin 15, the top of the circular gear 20 is meshed with the bottom of the rack 18, and by rotating the movable shaft 19, the movable shaft 19 drives the circular gear 20 to do circular motion, so that the scale 17 is driven to slowly move horizontally towards the outer portion of the inner bin 15 under the meshing action between the circular gear 20 and the rack 18, and the length of the scale 17 extending out of the inner bin 15 can be accurately adjusted.

The scheme has the following working processes: in the practical use process, when the LED filament needs to be accommodated and fixed, part of the filament is coiled on the surface of the connecting rod 14, and then the rotating rod 4 is rotated, so that the connecting plate 2 makes circular motion, and the movable plate 3 is driven to make circular motion under the connecting action of the connecting rod 14, in the process, the filament is integrally wound on the surface of the connecting rod 14, and then one of the threaded rods 9 makes circular motion by rotating the rotating handle 10, so that one of the conical gears 12 makes circular motion, and then one of the conical gears 12 makes circular motion, in the process that one of the conical gears 12 makes circular motion, the plurality of conical gears 12 simultaneously generate meshing action, so that the plurality of threaded rods 9 simultaneously make circular motion under the driving of the conical gears 12, and because the threaded sleeve 11 is subjected to the collision limiting effect of the inner cavity of the rod groove 8 on the threaded sleeve, the threaded sleeve 11 can only slide along the track of the inner cavity of the threaded rod 9, in the process of circular motion of the threaded rod 9, under the matching action of the internal thread structure on the inner wall of the threaded sleeve 11 and the external thread structure on the outer peripheral surface of the threaded rod 9, so that the threaded sleeve 11 can move away from each other, thereby driving the connecting rod 14 and the sliding block 13 to move away from each other, so that the distance between the connection rods 14 is increased and the filament is thus in a tensioned state, and when it is desired to cut the filament to a corresponding length, by rotating the movable shaft 19, so that the circular gear 20 makes circular motion, thereby the circular gear 20 is meshed with the rack 18, thereby driving the graduated scale 17 to slowly move horizontally towards the outside of the inner chamber 15, and through the graduation lines on the surface of the graduated scale 17, so that the length of the graduated scale 17 extending out of the inner chamber 15 can be accurately adjusted, thereby facilitating the user to cut the filament into corresponding lengths.

According to the working process, the following steps are known: by rotating the rotating handle 10, one of the threaded rods 9 makes circular motion, and then drives one of the bevel gears 12 to make circular motion, and then the engagement between the bevel gears 12, so that the threaded rod 9 makes circular motion at the same time, and further the connecting rod 14 can move in the direction away from each other, so that the distance between the connecting rods 14 is increased, and the filament is in a tightened state, thereby preventing the filament from being corrected to a straight state due to excessive bending of the filament, and having certain accuracy when the filament is cut off in a corresponding length, by rotating the movable shaft 19, the circular gear 20 and the rack 18 are engaged, so that the graduated scale 17 is driven to slowly move horizontally towards the outside of the inner bin 15, and the graduated scale 17 can be accurately extended to a certain length through the graduation lines on the surface of the graduated scale 17, by dragging one end of the filament to the zero graduation line of the graduated scale 17, and then cutting off the scale marks of the lamp filament at the corresponding length to obtain the lamp filament with the corresponding length, so that a user can conveniently obtain the lamp filament with the corresponding accurate length, and the use convenience of the device is improved.

Further as shown in fig. 1, 2 and 5, it should be specifically described that a fixing shaft 5 is fixed at the bottom of the inner surface of the fixing base 1, an opening 6 is formed at the middle position of the fixing shaft 5, and one end of the filament is wound around the surface of the fixing shaft 5 and extends into the opening 6, so that when the filament is dragged to the corresponding position of the scale mark on the surface of the scale 17, the filament can be prevented from being in a skew state during measurement, and the accuracy of the filament during cutting off is further improved.

Further as shown in fig. 4, it is worth specifically explaining that a rubber pad is glued on the surface of the connecting rod 14, a plurality of sets of anti-slip threads are arranged on the surface of the rubber pad, and the rubber pad is glued on the surface of the connecting rod 14, so that the friction force generated when the connecting rod 14 moves in the direction away from each other and collides with the filament is improved, and the stability of the filament during storage is improved.

To sum up: when the LED lamp filament needs to be accommodated and fixed, the lamp filament is coiled on the surface of the connecting rod 14, then the rotating handle 10 is rotated, so that one of the threaded rods 9 makes circular motion, and then one of the bevel gears 12 is driven to make circular motion, and in the process that one of the bevel gears 12 makes circular motion, the plurality of bevel gears 12 are simultaneously engaged, so that the plurality of threaded rods 9 are simultaneously driven to make circular motion by the bevel gears 12, because the threaded sleeve 11 is subjected to the collision limiting effect of the inner cavity of the rod groove 8 on the threaded sleeve and the matching effect of the internal thread structure of the inner wall of the threaded sleeve 11 and the external thread structure of the outer peripheral surface of the threaded rod 9, the threaded sleeve 11 can move towards the direction away from each other, so as to drive the connecting rod 14 and the sliding block 13 to move towards the direction away from each other, and further improve the distance between the connecting rods 14, thereby make the filament be in the state of tightening, when needs cut the filament into corresponding length, through rotating loose axle 19, thereby make circle gear 20 do circular motion, thereby make circle gear 20 and rack 18 take place the meshing effect, thereby drive the outside horizontal movement of scale 17 slow inside storehouse 15, and through the scale mark on scale 17 surface, thereby can the accurate length that adjusts scale 17 extension inside storehouse 15 outside, through the surface of winding fixed axle 5 with filament one end, and extend it to the inside of opening 6, thereby can avoid the filament to be in crooked state and continue to drag the filament when measuring, until drag the one end of filament to the zero scale mark position department on scale 17 surface, and cut off the filament LED filament in the scale mark department of corresponding length, thereby the user of being convenient for cuts the filament into corresponding length.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art, and the use of the term "including" or "comprising" in the present application shall mean that the element or item preceding the term covers the element or item listed after the term and its equivalents, but does not exclude other elements or items, and the term "connected" or "connected" is not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. merely indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may be changed accordingly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A winding and unwinding device for processing an LED filament comprises a fixed base (1) and is characterized in that a connecting plate (2) is arranged on one side of the top of the inner surface of the fixed base (1), a movable plate (3) is movably connected to the other side of the top of the inner surface of the fixed base (1), a rotating rod (4) is movably connected to one side of the outer surface of the fixed base (1), one side of the rotating rod (4) penetrates through the fixed base (1) and is fixed with the surface of the connecting plate (2), a plurality of sliding blocks (13) are slidably connected to the surface of one side, close to the movable plate (3), of the connecting plate (2) of the connecting plate (3) in a surface mode, a center hole (7) is formed in the surface of one side, close to the connecting plate (2), of the center hole (7) is communicated with a plurality of rod grooves (8), and a threaded rod (9) is movably connected to the inside of the rod grooves (8), the top of one of them threaded rod (9) passes pole groove (8) and extends the outside of fly leaf (3), threaded rod (9) extend outside fly leaf (3) fixed surface have turning handle (10), the outer peripheral face threaded connection of threaded rod (9) has thread bush (11), intermediate position department that thread bush (11) and corresponding position slider (13) is fixed with connecting rod (14), the surface that threaded rod (9) are close to centre bore (7) position department passes pole groove (8) and extends to the inside of centre bore (7), the fixed cover of outer peripheral face that threaded rod (9) extend to centre bore (7) inside part is equipped with conical gear (12).

2. The winding and unwinding device for processing the LED filament according to claim 1, wherein: interior storehouse (15) have been seted up to the intermediate position department of unable adjustment base (1) one end, the top of interior storehouse (15) inner chamber is provided with scale (17), the bottom swing joint of interior storehouse (15) inner chamber has loose axle (19).

3. The winding and unwinding device for processing the LED filament according to claim 2, wherein: the bottom of the graduated scale (17) is fixed with a rack (18), and one side of the movable shaft (19) penetrates through the inner bin (15) and extends out of the fixed base (1).

4. The winding and unwinding device for processing the LED filament according to claim 2, wherein: a limiting shaft (16) is inserted in the middle of the graduated scale (17) in a penetrating mode, and one end of the limiting shaft (16) is fixed to the inner cavity face of the inner bin (15).

5. The winding and unwinding device for processing the LED filament according to claim 3, wherein: the outer peripheral surface of the movable shaft (19) is fixedly sleeved with a circular gear (20) at the position of the inner part of the inner bin (15), and the top of the circular gear (20) is meshed with the bottom of the rack (18).

6. The winding and unwinding device for processing the LED filament according to claim 1, wherein: the bottom of unable adjustment base (1) internal surface is fixed with fixed axle (5), open-ended (6) have been seted up to the intermediate position department of fixed axle (5).

7. The winding and unwinding device for processing the LED filament according to claim 1, wherein: the surface of the connecting rod (14) is glued with a rubber pad, and the surface of the rubber pad is provided with a plurality of groups of anti-skid grains.