CN212531571U

CN212531571U - Resistance-adjustable unwinding mechanism

Info

Publication number: CN212531571U
Application number: CN202021016955.3U
Authority: CN
Inventors: 韩雪亮
Original assignee: Shenzhen Hanye Intelligent Technology Co ltd
Current assignee: Shenzhen Hanye Intelligent Technology Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-02-12
Anticipated expiration: 2030-06-05

Abstract

The utility model belongs to the technical field of unwinding mechanism, especially, unwinding mechanism of adjustable resistance when unreeling to the paper winder, because it unreels the speed difference, causes the paper in disorder when unreeling speed is too fast easily under the inconvenient condition of resistance, the problem of inconvenient use, the scheme as follows is put forward now, and it includes the base, the top of base is equipped with two backup pads, a backup pad and base fixed connection in two backup pads, another backup pad and base sliding connection, rotate in the backup pad and be connected with the commentaries on classics board, one side sliding connection that two commentaries on classics boards are close to each other has same pivot, and the fixed cover in the outside of pivot is equipped with around establishing the roller. The utility model is simple in operation, convenient to use can be through increasing the contact dynamics between toper ejector pin and the gear, and then increases the dynamics of unreeling of winding roller to increase the tensile tightness of material, can also make things convenient for the dismantlement to the winding roller simultaneously.

Description

Resistance-adjustable unwinding mechanism

Technical Field

The utility model relates to an unwinding mechanism technical field especially relates to an unwinding mechanism of adjustable resistance.

Background

The reel-up is the first finishing equipment after the paper machine. The paper coming off the winder is driven by the self weight of the paper winding roller and the rotating friction force of the cold cylinder to be uniformly wound, so that the paper is more uniform by the winder, and the requirements of different papers can be met.

When the existing paper winder unreels paper, due to the fact that the unreeling speed of the existing paper winder is different, paper is prone to being scattered and inconvenient to use when the unreeling speed is too high under the condition of inconvenient resistance, and therefore the unreeling mechanism with the adjustable resistance is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current winder when unreeling to the paper, because it unreels the speed difference, when unreeling speed when too fast under the inconvenient condition of resistance causes the paper in disorder easily, the shortcoming of inconvenient use, and the adjustable resistance's that proposes unwinding mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an unreeling mechanism with adjustable resistance comprises a base, wherein the top of the base is provided with two supporting plates, one of the two supporting plates is fixedly connected with the base, the other supporting plate is connected with the base in a sliding manner, a rotating plate is rotatably connected onto the supporting plates, one side, close to each other, of the two rotating plates is connected with the same rotating shaft in a sliding manner, a winding roller is fixedly sleeved on the outer side of the rotating shaft, a positioning box is fixedly arranged on one side, far away from each other, of the two supporting plates, a supporting rod is connected onto the positioning box in a sliding manner, the top of the supporting rod is connected with a conical ejector rod in a sliding manner, a gear is fixedly arranged on one side, far away from each other, of the two rotating plates, is matched with the corresponding conical ejector rod, a positioning rod is fixedly arranged on one side, close to each other, of, the rotating rods are in transmission connection with the corresponding supporting rods.

Preferably, the sliding tray has been seted up at the top of base, and the sliding tray internal rotation is connected with the screw rod, screw rod and the backup pad threaded connection that corresponds, and the one end of screw rod runs through sliding tray and fixed mounting has the handle, and the pivoted screw rod can drive the backup pad through the threaded connection with the backup pad and remove, and then conveniently dismantles the winding roller.

Preferably, the equal fixed mounting in one end that two bull sticks kept away from each other has first conical gear, and the outside screw thread cover of bracing piece is equipped with second conical gear, first conical gear and the second conical gear intermeshing that corresponds, and pivoted bull stick can drive second conical gear through the intermeshing of first conical gear and second conical gear and rotate, and then drives the bracing piece through the threaded connection of second conical gear and bracing piece and remove.

Preferably, the movable groove has all been seted up to one side that two commentaries on classics boards are close to each other, two movable grooves and pivot sliding connection, and equal fixed mounting has the locating piece on the top inner wall of movable groove and the bottom inner wall, and two constant head tanks have all been seted up at the pivot both ends, and constant head tank and the locating piece sliding connection that corresponds, the movable groove can fix a position the spool through locating piece and constant head tank, and then fixes the winding roller.

Preferably, the buffer slot has been seted up on the top of bracing piece, buffer slot and the toper ejector pin sliding connection that corresponds, and the bottom fixed mounting of toper ejector pin has supporting spring, and supporting spring's one end and the bottom inner wall fixed connection of buffer slot, the bracing piece that removes can support the gear through supporting spring and toper ejector pin, and then increases unreeling resistance of gear.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, due to the arrangement of the matching of the conical ejector rod and the gear and the action of the supporting spring on the conical ejector rod, the supporting spring positions the gear through the conical ejector rod, so that the resistance between the gear and the rotating shaft is increased, and the stretching tightness of the material is increased;

(2) because the first bevel gear and the second bevel gear are meshed with each other, and the second bevel gear is in threaded connection with the supporting rod, the rotating rod can drive the supporting rod to move, and then the supporting of the supporting spring on the conical ejector rod is increased, and the resistance of the conical ejector rod on the gear is increased.

The utility model is simple in operation, convenient to use can be through increasing the contact dynamics between toper ejector pin and the gear, and then increases the dynamics of unreeling of winding roller to increase the tensile tightness of material, can also make things convenient for the dismantlement to the winding roller simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an unwinding mechanism with adjustable resistance according to the present invention;

fig. 2 is a schematic side view of the unwinding mechanism with adjustable resistance according to the present invention;

fig. 3 is a schematic structural diagram of a part a of the unwinding mechanism with adjustable resistance according to the present invention.

In the figure: the device comprises a base 1, a supporting plate 2, a rotating plate 3, a rotating shaft 4, a winding roller 5, a movable groove 6, a positioning groove 7, a positioning block 8, a gear 9, a positioning box 10, a supporting rod 11, a buffer groove 12, a conical ejector rod 13, a supporting spring 14, a positioning rod 15, a first conical gear 16, a second conical gear 17, a rotating rod 18, a connecting rod 19, a sliding groove 20 and a screw rod 21.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-3, an unwinding mechanism with adjustable resistance comprises a base 1, two supporting plates 2 are arranged at the top of the base 1, one supporting plate 2 of the two supporting plates 2 is fixedly connected with the base 1, the other supporting plate 2 is slidably connected with the base 1, a rotating plate 3 is rotatably connected with the supporting plate 2, one side, close to each other, of the two rotating plates 3 is slidably connected with a same rotating shaft 4, a winding roller 5 is fixedly sleeved outside the rotating shaft 4, a positioning box 10 is fixedly arranged at one side, far away from each other, of the two supporting plates 2, a supporting rod 11 is slidably connected on the positioning box 10, a conical ejector rod 13 is slidably connected at the top of the supporting rod 11, a gear 9 is fixedly arranged at one side, far away from each other, of the two rotating plates 3, the gear 9 is matched with a corresponding conical ejector rod 13, a positioning rod 15 is fixedly arranged at one side, close, the two support plates 2 are rotatably connected with rotating rods 18, the two rotating rods 18 are slidably connected with the same connecting rod 19, and the rotating rods 18 are in transmission connection with the corresponding support rods 11.

In this embodiment, the top of the base 1 is provided with a sliding groove 20, a screw rod 21 is rotatably connected in the sliding groove 20, the screw rod 21 is in threaded connection with the corresponding support plate 2, and one end of the screw rod 21 penetrates through the sliding groove 20 and is fixedly provided with a handle.

In this embodiment, the two rotating rods 18 are fixedly mounted at the ends far away from each other with first bevel gears 16, the outer threads of the supporting rod 11 are sleeved with second bevel gears 17, and the first bevel gears 16 are meshed with the corresponding second bevel gears 17.

In this embodiment, movable groove 6 has all been seted up to one side that two commentaries on classics boards 3 are close to each other, two

movable grooves

5 and 4 sliding connection of pivot, and equal fixed mounting has locating piece 8 on the top inner wall of movable groove 6 and the bottom inner wall, and two constant head tanks 7 have all been seted up at 4 both ends of pivot, constant head tank 7 and the 8 sliding connection of locating piece that correspond.

In this embodiment, buffer slot 12 has been seted up on the top of bracing piece 11, buffer slot 12 and the toper ejector pin 13 sliding connection that corresponds, and the bottom fixed mounting of toper ejector pin 13 has supporting spring 14, and supporting spring 14's one end and the bottom inner wall fixed connection of buffer slot 12.

Example two

Referring to fig. 1-3, an unwinding mechanism with adjustable resistance comprises a base 1, two supporting plates 2 are arranged at the top of the base 1, one supporting plate 2 of the two supporting plates 2 is fixedly connected with the base 1, the other supporting plate 2 is slidably connected with the base 1, a rotating plate 3 is rotatably connected on the supporting plate 2, one side, close to each other, of the two rotating plates 3 is slidably connected with a rotating shaft 4, a winding roller 5 is fixedly sleeved outside the rotating shaft 4, a positioning box 10 is welded at one side, far away from each other, of the two supporting plates 2, a supporting rod 11 is slidably connected on the positioning box 10, a conical ejector rod 13 is slidably connected at the top of the supporting rod 11, a gear 9 is welded at one side, far away from each other, of the two rotating plates 3, the gear 9 is matched with a corresponding conical ejector rod 13, a positioning rod 15 is welded at one side, close to, the two support plates 2 are rotatably connected with rotating rods 18, the two rotating rods 18 are slidably connected with the same connecting rod 19, and the rotating rods 18 are in transmission connection with the corresponding support rods 11.

In this embodiment, sliding tray 20 has been seted up at base 1's top, and the internal rotation of sliding tray 20 is connected with screw rod 21, screw rod 21 and the 2 threaded connection of backup pad that correspond, and the one end of screw rod 21 runs through sliding tray 20 and the welding has the handle, and pivoted screw rod 21 can drive backup pad 2 through the threaded connection with backup pad 2 and remove, and then conveniently dismantle wire winding roller 5.

In this embodiment, first conical gear 16 has all been welded to the one end that two bull sticks 18 kept away from each other, and the outside screw thread cover of bracing piece 11 is equipped with second conical gear 17, first conical gear 16 and the second conical gear 17 intermeshing that corresponds, and pivoted bull stick 18 can drive second conical gear 17 through the intermeshing of first conical gear 16 with second conical gear 17 and rotate, and then drives bracing piece 11 through the threaded connection of second conical gear 17 with bracing piece 11 and remove.

movable grooves

5 and 4 sliding connection of pivot, and all weld on the top inner wall of movable groove 6 and the bottom inner wall has locating piece 8, two constant head tanks 7 have all been seted up at 4 both ends of pivot, constant head tank 7 and the 8 sliding connection of locating piece that correspond, movable groove 6 can fix a position spool 4 through locating piece 8 and constant head tank 7, and then fixes winding roller 5.

In this embodiment, buffer slot 12 has been seted up on the top of bracing piece 11, buffer slot 12 and the toper ejector pin 13 sliding connection that corresponds, and the bottom welding of toper ejector pin 13 has supporting spring 14, and supporting spring 14's one end and the bottom inner wall fixed connection of buffer slot 12, the bracing piece 11 that removes can support gear 9 through supporting spring 14 and toper ejector pin 13, and then increases the resistance that unreels of gear 9.

In this embodiment, in operation, a material wound on the winding roller 5 is unwound under the action of a force, so that the rotating winding roller 5 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the rotating plate 3 to rotate through the sliding connection between the positioning groove 7 and the positioning block 8, the rotating plate 3 drives the gear 9 to rotate, the conical mandril 13 performs reverse resistance on the gear 9 under the action of the supporting spring 14, when the speed of the unwound material needs to be reduced and the resistance needs to be increased, the connecting rod 19 is rotated, the connecting rod 19 drives the rotating rod 18 to rotate, the rotating rod 18 drives the first conical gear 16 to rotate, the first conical gear 16 drives the second conical gear 17 to rotate, the second conical gear 17 drives the supporting rod 11 to move upwards through the threaded connection with the supporting rod 11, the supporting rod 11 drives the conical mandril 13 to support the gear 9 through the supporting spring 14, and further increases the resistance of the conical mandril 13, make winding roller 5 unreel speed and slow down, when needs are dismantled winding roller 5, the twist grip, the handle drives screw rod 21 and rotates, screw rod 21 drives backup pad 2 through the threaded connection with corresponding backup pad 2 and removes for pivot 4 shifts out the activity inslot 6 in the commentaries on classics board, also can conveniently install pivot 4 simultaneously, does benefit to people and uses. All structures in this application can carry out the selection of material and length according to actual use condition, and the attached drawing is the schematic diagram, and its specific size and proportion need adjust according to actual conditions.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides an unwinding mechanism of adjustable resistance, includes base (1), its characterized in that, the top of base (1) is equipped with two backup pads (2), and one backup pad (2) in two backup pads (2) and base (1) fixed connection, another backup pad (2) and base (1) sliding connection, rotating connection has commentaries on classics board (3) on backup pad (2), and one side sliding connection that two commentaries on classics board (3) are close to each other has same pivot (4), and the outside fixed cover of pivot (4) is equipped with around establishing roller (5), and one side that two backup pads (2) keep away from each other all fixed mounting has location case (10), and sliding connection has bracing piece (11) on location case (10), and the top sliding connection of bracing piece (11) has toper ejector pin (13), and one side that two commentaries on classics board (3) keep away from each other all fixed mounting has, gear (9) and the toper ejector pin (13) that corresponds cooperate, the equal fixed mounting in one side that two bracing pieces (11) are close to each other has locating lever (15), locating lever (15) and the backup pad (2) sliding connection that corresponds all rotate on two backup pads (2) and are connected with bull stick (18), sliding connection has same connecting rod (19) on two bull sticks (18), bull stick (18) are connected with the bracing piece (11) transmission that corresponds.

2. The unwinding mechanism with adjustable resistance as claimed in claim 1, wherein a sliding groove (20) is formed at the top of the base (1), a screw (21) is rotatably connected in the sliding groove (20), the screw (21) is in threaded connection with the corresponding support plate (2), and one end of the screw (21) penetrates through the sliding groove (20) and is fixedly provided with a handle.

3. The unwinding mechanism with adjustable resistance as claimed in claim 1, wherein one end of each of the two rotating rods (18) away from each other is fixedly provided with a first bevel gear (16), the outer side of the support rod (11) is threaded and sleeved with a second bevel gear (17), and the first bevel gear (16) is meshed with the corresponding second bevel gear (17).

4. The unwinding mechanism with adjustable resistance as claimed in claim 1, wherein the two rotating plates (3) are provided with a movable groove (6) at one side close to each other, the two movable grooves (6) are slidably connected with the rotating shaft (4), the inner walls of the top and the bottom of the movable grooves (6) are respectively and fixedly provided with a positioning block (8), the two ends of the rotating shaft (4) are provided with two positioning slots (7), and the positioning slots (7) are slidably connected with the corresponding positioning blocks (8).

5. The unwinding mechanism with adjustable resistance as claimed in claim 1, wherein a buffer slot (12) is formed at the top end of the support rod (11), the buffer slot (12) is slidably connected with a corresponding conical ejector rod (13), a support spring (14) is fixedly mounted at the bottom end of the conical ejector rod (13), and one end of the support spring (14) is fixedly connected with the inner wall of the bottom of the buffer slot (12).