CN223879186U - Hose reel pipe device - Google Patents

Abstract

The utility model discloses a hose reeling device which comprises a hose guiding mechanism and a vertical reeling mechanism, wherein the hose guiding mechanism comprises a transverse guiding mechanism, a middle transition roller assembly and a rear shock absorption guiding mechanism which are arranged along the reeling direction of a hose, the vertical reeling mechanism comprises a second lower supporting seat, a second rectangular upright post and a gear motor assembly which are fixed on the second lower supporting seat, a fourth rotating bearing seat and a fifth rotating bearing seat which are arranged on the second rectangular upright post, a first belt pulley which is arranged on the gear motor assembly, a second rotating shaft which penetrates through the fourth rotating bearing seat, the second rectangular upright post and the fifth rotating bearing seat, a second belt pulley which is arranged at the rear end of the second rotating shaft, a first belt which is sleeved between the first belt pulley and the second belt pulley, a first reeling turntable which is arranged at the front end of the second rotating shaft, a plurality of strip-shaped grooves which are formed on the first reeling turntable, and first reeling supporting mechanisms which are arranged in the strip-shaped grooves in a one-to-one correspondence manner.

Description

Hose reel pipe device

Technical Field

The utility model relates to the technical field of hose winding, in particular to a hose winding device.

Background

The hose herein is mainly a medical hose, the diameter of which is relatively thin. At present, the processing process of the medical hose in the prior art mainly comprises rubber mixing, extrusion molding, high-temperature vulcanization, cooling and rolling and the like. Wherein, the formed (high temperature state) hose enters a winding flow after passing through a cooling tank. While the prior art has no medical hose winding device. At present, the traditional winding mode of the medical hose mainly comprises a manual winding and pipe winding mechanism. Wherein, manual rolling is by manual winding hose on spool or reel, and its book holds inefficiency, the inconsistent, crease of elasticity, distortion scheduling problem easily appear. In addition, the pipe coiling mechanism mainly comprises a workbench, a pipe clamping assembly, a reel, a pipe pressing assembly, a pipe releasing box, a pushing device and the like, and has high equipment cost, poor flexibility and the like.

Therefore, it is needed to provide a hose reel device with simple structure and reliable operation.

Disclosure of utility model

In view of the above problems, an object of the present utility model is to provide a hose reel device, which adopts the following technical scheme:

The hose winding device guides and winds the hose and comprises a hose guiding mechanism and a vertical type hose winding mechanism for receiving the hose transmitted by the hose guiding mechanism and winding the hose;

The hose guiding mechanism comprises a first lower supporting seat, a first lower sleeve pipe, a first lower supporting screw rod, a first lower mounting plate, a first vertical plate, a transverse guiding mechanism, a middle transition roller assembly and a rear shock absorption guiding mechanism, wherein the first lower supporting seat is fixed on the first lower supporting seat;

The vertical pipe winding mechanism comprises a second lower supporting seat, a second rectangular upright post, a speed reduction motor assembly, a fourth rotating bearing seat, a fifth rotating bearing seat, a first belt pulley, a second rotating shaft, a second belt pulley, a first winding turntable, a plurality of strip-shaped grooves and a first winding supporting mechanism, wherein the second rectangular upright post and the speed reduction motor assembly are fixed on the second lower supporting seat, the fourth rotating bearing seat and the fifth rotating bearing seat are arranged on the second rectangular upright post, the first belt pulley is arranged at the rear end of the second rotating shaft, the first belt pulley is sleeved between the first belt pulley and the second belt pulley, the first winding turntable is arranged at the front end of the second rotating shaft, the plurality of strip-shaped grooves are formed in the first winding turntable, the first winding supporting mechanism is arranged in the strip-shaped grooves in a one-to-one correspondence mode, and the speed reduction motor assembly drives the first winding turntable to rotate and utilizes the first winding supporting mechanism to wind and support a hose.

Further, a first rotating operation handle is arranged on the first lower supporting screw rod, and the first rotating operation handle is rotated to adjust the heights of the first vertical plate, the transverse guide mechanism, the middle transition roller assembly and the rear shock absorption guide mechanism.

Further, a first mounting plate is arranged on the first vertical plate, and a receiving box is arranged on the first mounting plate.

Further, the first lower supporting seat and the second lower supporting seat are both in a cross shape.

The transverse guide mechanism comprises a first L-shaped plate fixed on the first vertical plate and forming a U shape together with the first vertical plate, two sliding rails arranged in the first L-shaped plate, a U-shaped sliding seat which is arranged on the sliding rails in a sliding sleeve mode and is provided with an opening facing the middle transition roller assembly, a left extrusion screw rod which is connected with the first L-shaped plate through threads and is extruded on one side edge of the U-shaped sliding seat, and a right extrusion screw rod which is connected with the first vertical plate through threads and is extruded on the other side edge of the U-shaped sliding seat, wherein the U-shaped sliding seat is slidably adjusted along the sliding rails and is positioned and supported through the left extrusion screw rod and the right extrusion screw rod.

Further, the intermediate transition roller assembly comprises a first rotating shaft bearing seat fixed on the back surface of the first vertical plate, a first rotating shaft penetrating through the first rotating shaft bearing seat and the first vertical plate, and a first U-shaped roller arranged on the first rotating shaft.

Further, the rear shock absorption guide mechanism comprises a second L-shaped plate fixed on the first vertical plate along the longitudinal direction, a second rotary bearing seat and a third rotary bearing seat which are respectively fixed on the front and the rear of the second L-shaped plate, a swing bearing rod which penetrates through the second rotary bearing seat, the second L-shaped plate and the third rotary bearing seat, a swing crank arm, a rear screw and a front screw which are arranged on the second L-shaped plate along the longitudinal direction, a first downward-pressing spring which is arranged between the front screw and the rear end of the swing crank arm, a second U-shaped roller supporting rod which is arranged on the front end of the swing crank arm, a second spring hook which is arranged on the back of the front end of the swing crank arm, a first spring hook which is arranged on the first vertical plate, and a second downward-pressing spring which is arranged between the second spring hook and the first spring hook, wherein the rear screw is pressed on the rear end of the swing crank arm, the rear end of the swing crank arm is provided with a spring mounting hole, and the first downward-pressing part is arranged in the spring mounting hole and is sleeved on the front screw.

Further, the first winding supporting mechanism comprises a second screw rod section, a first supporting rod and a first screw rod section which are integrally formed, a limit column is arranged at the rear end of the first supporting rod, a first gasket and a first connecting nut are sleeved on the first screw rod section, a winding pipe limit disc, a second gasket and a second connecting nut are sleeved on the second screw rod section, the second screw rod section is sleeved on the strip-shaped groove, and the limit column is extruded on the first winding turntable.

Compared with the prior art, the utility model has the following beneficial effects:

(1) According to the utility model, the transverse guide mechanism, the middle transition roller assembly and the rear shock absorption guide mechanism are arranged, so that a hose obtained by processing can conveniently penetrate from the upper part of the transverse guide mechanism and is wound on the middle transition roller assembly, and finally, the hose enters the vertical pipe winding mechanism through the rear shock absorption guide mechanism, so that reliable hose guiding, entering and winding are realized, and the structure is simple.

(2) The utility model adopts the transverse guiding mechanism capable of being transversely adjusted and supports by utilizing the sliding rail, and after the position is adjusted to the required position, the left extrusion screw and the right extrusion screw can be used for extrusion positioning, so that the adjustment is convenient and reliable, and the supporting connection is reliable.

(3) According to the utility model, the rear shock absorption guide mechanism is arranged, the rear end of the swing crank arm is pressed down by the front screw and the first downward-pressing spring, and the front end of the swing crank arm is pulled downward by the first spring hook, the second spring hook and the second downward-pressing spring, so that the swing crank arm is elastically supported by taking the second rotating bearing seat, the third rotating bearing seat and the swing bearing rod as rotating supports (namely, the front end of the swing crank arm is lifted up by the first downward-pressing spring pressing the rear end of the swing crank arm, and the front end of the swing crank arm is pulled downward by the second downward-pressing spring, so that the swing crank arm is in an elastic dynamic balance state). Finally, the utility model limits the limit position of the front end of the swing crank arm by arranging the rear screw.

(4) The utility model is convenient for the height adjustment of the first vertical plate, the transverse guiding mechanism, the middle transition roller assembly and the rear shock absorption guiding mechanism by arranging the first lower sleeve, the first lower supporting screw and the first rotating operation handle.

(5) The utility model is convenient for adjusting the diameter of the coiled hose by arranging the strip-shaped groove and the first coiling supporting mechanism, and is also convenient for dismantling after coiling the hose so as to take down the coiled hose, and the operation is simple and reliable.

In conclusion, the utility model has the advantages of simple structure, reliable action and the like, and has high practical value and popularization value in the technical field of hose winding.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings to be used in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope of protection, and other related drawings may be obtained according to these drawings without the need of inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of a hose guide mechanism according to the present utility model.

Fig. 3 is a first partial schematic view of the hose guide mechanism of the present utility model.

Fig. 4 is a second partial schematic view of the hose guide mechanism of the present utility model.

Fig. 5 is an enlarged partial schematic view of the hose guide mechanism of the present utility model.

Fig. 6 is a schematic view of a first angle structure of the vertical pipe coiling mechanism in the present utility model.

Fig. 7 is a schematic view of a second angle structure of the vertical pipe coiling mechanism in the present utility model.

Fig. 8 is an enlarged partial schematic view of a vertical roller tube mechanism according to the present utility model.

In the above figures, the reference numerals correspond to the component names as follows:

1. A hose guide mechanism; 2, a vertical pipe coiling mechanism; 101, a first lower supporting seat; 102, a first lower sleeve, 103, a first lower supporting screw, 104, a first rotating operation handle, 105, a first lower mounting plate, 106, a first vertical plate, 107, a first mounting plate, 108, a material receiving box, 109, a transverse guide mechanism, 110, a middle transition roller assembly, 112, a rear shock absorption guide mechanism, 1091, a first L-shaped plate, 1092, a sliding rail, 1093, a U-shaped sliding seat, 1094, a left extrusion screw, 1095, a right extrusion screw, 1101, a first rotating bearing seat, 1102, a first rotating shaft, 1103, a first U-shaped roller, 1121, a second L-shaped plate, 1122, a second rotating bearing seat, 1123, a third rotating bearing seat, 1124, a swinging crank arm, 1125, a front screw, 1126, a first pressing spring, 1127, a rear screw, 1128, a second U-shaped roller support rod, 1129, a second U-shaped roller, 1131, a first spring hook, 1132, a second spring hook, 3, a second pulling spring, 201, a second lower supporting seat, 202, a second rectangular upright post, 203, a second motor, 2122, a first pulley, 2123, a second rotating bearing seat, 2128, a first pulley, a second pulley, 2127, a second rotating support groove, 2128, a second pulley, 2128, a first rolling support groove, 2128, a second pulley, 2128, a second rotating support groove, 2128, a second leading screw, a first rolling support groove, a lower spring, a lower than, lower than lower, lower, upper,.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described with reference to the accompanying drawings and examples, which include, but are not limited to, the following examples. 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.

In this embodiment, the term "and/or" is merely an association relation describing the association object, and indicates that three kinds of relations may exist, for example, a and/or B may indicate that a exists alone, and a and B exist together, and B exists alone.

The terms first and second and the like in the description and in the claims of the present embodiment are used for distinguishing between different objects and not for describing a particular sequential order of objects. For example, the first target object and the second target object, etc., are used to distinguish between different target objects, and are not used to describe a particular order of target objects.

In embodiments of the application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more. For example, a plurality of processing units refers to two or more processing units, and a plurality of systems refers to two or more systems.

As shown in fig. 1 to 8, the present embodiment provides a hose reel apparatus that guides and reels up a hose. The hose reel device comprises a hose guiding mechanism 1 and a vertical type hose reel mechanism 2 for receiving and winding the hose transmitted by the hose guiding mechanism 1.

In this embodiment, the hose guiding mechanism 1 includes a first lower support base 101, a first lower sleeve 102 fixed to the first lower support base 101, a first lower support screw 103 having a lower end screwed to the first lower sleeve 102, a first lower mounting plate 105 provided on the first lower support screw 103, a first riser 106 provided on the first lower mounting plate 105, and a lateral guiding mechanism 109, an intermediate transition roller assembly 110, and a rear shock absorbing guiding mechanism 112 provided on the first riser 106 and arranged in a hose winding direction.

In this embodiment, in order to facilitate the height adjustment of the lateral guide mechanism 109, the intermediate transfer roller assembly 110 and the rear shock absorbing guide mechanism 112, a first rotation operation handle 104 is provided on the first lower support screw 103, and the heights of the first vertical plate 106, the lateral guide mechanism 109, the intermediate transfer roller assembly 110 and the rear shock absorbing guide mechanism 112 can be adjusted by rotating the first rotation operation handle 104. In addition, a first mounting plate 107 is provided on the first upright plate 106, and a receiving box 108 is placed on the first mounting plate 107. For example, after the formed hose is cooled in a water bath, cooling water may remain on the surface of the hose, and the cooling water on the surface of the hose is received by the receiving box 108. Wherein the formed hose enters from the upper part of the transverse guiding mechanism 109 and bypasses the intermediate transition roller assembly 110, and when the transverse guiding mechanism 109 and the intermediate transition roller assembly 110 are positioned, the hose is positioned at the lowest position, and the cooling water on the surface of the hose can fall into the receiving box 108.

In this embodiment, the transverse guiding mechanism 109 includes a first L-shaped plate 1091 fixed on the first vertical plate 106 and forming a U shape with the first vertical plate 106, two sliding rails 1092 disposed in the first L-shaped plate 1091, a U-shaped sliding seat 1093 slidably sleeved on the sliding rails 1092 and having an opening facing the middle transition roller assembly 110, a left extrusion screw 1094 screwed with the first L-shaped plate 1091 and extruded on one side of the U-shaped sliding seat 1093, and a right extrusion screw 1095 screwed with the first vertical plate 106 and extruded on the other side of the U-shaped sliding seat 1093. Here, the U-shaped slider 1093 is slidably adjusted along the slide rail 1092, and is positioned and supported by the left and right extrusion screws 1094 and 1095. In this embodiment, the position of the U-shaped slider 1093 is adjusted so as to adjust the position of the hose winding and feeding.

The intermediate transfer roller assembly 110 of the present embodiment includes a first rotation bearing housing 1101 fixed to the rear surface of the first riser 106, a first rotation shaft 1102 provided through the first rotation bearing housing 1101 and the first riser 106, and a first U-shaped roller 1103 provided on the first rotation shaft 1102.

In the present embodiment, since the vertical tube rolling mechanism 2 vibrates the hose and transmits the vibration to the hose guiding mechanism 1 when rolling up, and at the same time, the hose guiding mechanism 1 is pulled when rolling up the vertical tube rolling mechanism 2. In order to provide shock absorption support, the rear shock absorption guide mechanism 112 includes a second L-shaped plate 1121 fixed on the first riser 106 in the longitudinal direction, a second and third rotational bearing housing 1122 and 1123 fixed on the front and rear of the second L-shaped plate 1121, respectively, a swing bearing rod provided through the second rotational bearing housing 1122, the second L-shaped plate 1121 and the third rotational bearing housing 1123, a swing crank arm 1124 fixed on the swing bearing rod at the lower portion, a rear screw 1127 and a front screw 1125 provided on the second L-shaped plate 1121 in the longitudinal direction, a first push-down spring 1126 provided between the front screw 1125 and the rear end of the swing crank arm 1124, a second U-shaped roller support rod 1128 provided on the front end of the swing crank arm 1124, a second U-shaped roller 1129 provided on the second U-shaped roller support rod 1128, a second spring hook 1132 provided on the back of the front end of the swing crank arm 1124, a first spring hook 1131 provided on the first riser 106, and a second pull-down spring hook 1133 provided between the second spring hook 1132 and the first spring hook 1131. Rear screw 1127 is pressed against the rear end of swing lever 1124. A spring mounting hole is provided at the rear end of the swing crank arm 1124, the lower part of the first pressing spring 1126 is disposed in the spring mounting hole, and the upper end is sleeved on the front screw 1125. In the present embodiment, the first pressing spring 1126 and the second pulling spring 1133 are utilized to provide elastic balance support of the swing crank arm 1124, that is, the pressing force of the hose on the second U-shaped roller support rod 1128, the pressing force of the second pulling spring 1133 and the compression force of the first pressing spring 1126 are balanced, so that the hose is elastically supported on the second U-shaped roller support rod 1128. Finally, rear screw 1127 is utilized to define the maximum distance that the front end of swing lever 1124 is depressed.

In this embodiment, in order to roll up hose rolls with different diameters, the vertical pipe winding mechanism 2 includes a second lower support base 201, a second rectangular column 202 and a gear motor assembly 203 fixed on the second lower support base 201, a fourth rotary bearing block 208 and a fifth rotary bearing block 209 provided on the second rectangular column 202, a first pulley 204 provided on the gear motor assembly 203, a second rotary shaft 207 provided through the fourth rotary bearing block 208, the second rectangular column 202 and the fifth rotary bearing block 209, a second pulley 206 provided at a rear end of the second rotary shaft 207, a first belt 205 sleeved between the first pulley 204 and the second pulley 206, a first winding turntable 210 provided at a front end of the second rotary shaft 207, a plurality of bar grooves 211 provided on the first winding turntable 210, and a first winding support mechanism 212 provided in one-to-one correspondence within the bar grooves 211. Here, by adjusting the position of the first winding support mechanism 212 in the bar-shaped groove 211, the winding of the hose rolls with different diameters is realized, that is, if the hose rolls with larger diameters need to be wound, the first winding support mechanism 212 is adjusted to be close to the edge of the first winding turntable 210, and similarly, if the hose rolls with smaller diameters need to be wound, the first winding support mechanism 212 is adjusted to be close to the center direction of the first winding turntable 210. In the present embodiment, the first winding turntable 210 is driven to rotate by the gear motor assembly 203, and the hose is wound and supported by the first winding support mechanism 212.

In this embodiment, the first winding support mechanism 212 includes a second screw section 2124, a first support rod 2121, a first screw section 2123, a limit post 2122 disposed at the rear end of the first support rod 2121, a first washer 2125 and a first connection nut 2126 sleeved on the first screw section 2123, and a winding tube limit plate 2127, a second washer 2128 and a second connection nut 2129 sleeved on the second screw section 2124. The second screw section 2124 is sleeved on the strip-shaped groove 211, and the limit post 2122 is extruded on the first rolling turntable 210. Here, first support bar 2121 is secured within bar slot 211 using stop post 2122, first screw segment 2123, first washer 2125, and first coupling nut 2126. In this embodiment, the second pad 2128 is used to support the outside of the hose, so as to prevent the hose from sliding off the first support bar 2121.

The above embodiments are only preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, but all changes made by adopting the design principle of the present utility model and performing non-creative work on the basis thereof shall fall within the scope of the present utility model.

Claims (8)

1. The hose winding device is used for guiding and winding a hose and is characterized by comprising a hose guiding mechanism (1) and a vertical type hose winding mechanism (2) for receiving the hose transmitted by the hose guiding mechanism (1) and winding the hose;

The hose guide mechanism (1) comprises a first lower supporting seat (101), a first lower sleeve (102) fixed on the first lower supporting seat (101), a first lower supporting screw (103) with the lower end in threaded connection with the first lower sleeve (102), a first lower mounting plate (105) arranged on the first lower supporting screw (103), a first vertical plate (106) arranged on the first lower mounting plate (105), and a transverse guide mechanism (109), a middle transition roller assembly (110) and a rear shock absorption guide mechanism (112) which are arranged on the first vertical plate (106) and distributed along the hose winding direction;

The vertical pipe winding mechanism (2) comprises a second lower supporting seat (201), a second rectangular upright post (202) and a gear motor assembly (203) which are fixed on the second lower supporting seat (201), a fourth rotating bearing seat (208) and a fifth rotating bearing seat (209) which are arranged on the second rectangular upright post (202), a first belt pulley (204) which is arranged on the gear motor assembly (203), a second rotating shaft (207) which penetrates through the fourth rotating bearing seat (208), the second rectangular upright post (202) and the fifth rotating bearing seat (209), a second belt pulley (206) which is arranged at the rear end of the second rotating shaft (207), a first belt (205) which is sleeved between the first belt pulley (204) and the second belt pulley (206), a first winding turntable (210) which is arranged at the front end of the second rotating shaft (207), a plurality of strip-shaped grooves (211) which are arranged on the first winding turntable (210) and a first winding supporting mechanism (212) which is arranged in the strip-shaped grooves (211) in a one-to-one correspondence mode, and the gear motor assembly (203) drives the first winding turntable (210) to rotate and supports a hose by means of the first supporting mechanism (212).

2. A hose reel device according to claim 1, characterized in that the first lower support screw (103) is provided with a first rotating handle (104), rotating the first rotating handle (104) and adjusting the height of the first riser (106), the transverse guiding means (109), the intermediate transition roller assembly (110) and the rear shock absorbing guiding means (112).

3. A hose reel device according to claim 1 or 2, characterized in that the first riser (106) is provided with a first mounting plate (107), and that the first mounting plate (107) is provided with a receiving box (108).

4. A hose reel device according to claim 1, characterized in that the first lower support seat (101) and the second lower support seat (201) are both cross-shaped.

5. The hose reel device according to claim 1, wherein the transverse guiding mechanism (109) comprises a first L-shaped plate (1091) fixed on the first vertical plate (106) and jointly forming a U shape with the first vertical plate (106), two sliding rails (1092) arranged in the first L-shaped plate (1091), a U-shaped sliding seat (1093) which is arranged on the sliding rails (1092) in a sliding manner and is opened towards the middle transition roller assembly (110), a left extrusion screw (1094) which is connected with the first L-shaped plate (1091) in a threaded manner and is extruded on one side of the U-shaped sliding seat (1093), and a right extrusion screw (1095) which is connected with the first vertical plate (106) in a threaded manner and is extruded on the other side of the U-shaped sliding seat (1093), wherein the U-shaped sliding seat (1093) is slidingly adjusted along the sliding rails (1092) and is positioned and supported by the left extrusion screw (1094) and the right extrusion screw (1095).

6. A hose reel arrangement according to claim 1 or 5, characterized in that the intermediate transfer roller assembly (110) comprises a first rotational bearing (1101) fixed to the back of the first riser (106), a first rotational shaft (1102) arranged through the first rotational bearing (1101) and the first riser (106), and a first U-roller (1103) arranged on the first rotational shaft (1102).

7. A hose reel device according to claim 1 or 5, wherein the rear shock absorbing guide mechanism (112) comprises a second L-shaped plate (1121) fixed to the first riser plate (106) in the longitudinal direction, a second and a third rotational bearing housing (1122) and (1123) fixed to the front and rear of the second L-shaped plate (1121), respectively, a swing bearing rod provided through the second rotational bearing housing (1122), the second L-shaped plate (1121) and the third rotational bearing housing (1123), a swing crank arm (1124) fixed to the swing bearing rod at the lower portion, a rear screw (1127) and a front screw (1125) provided to the second L-shaped plate (1121) in the longitudinal direction, a first push-down spring (1126) provided between the front screw (1125) and the rear end of the swing crank arm (1124), a second U-shaped roller support rod (1128) provided to the front end of the swing crank arm (1124), a second U-shaped roller support rod (1129) provided to the second U-shaped roller support rod (1128), a swing crank arm (1139) provided to the front end of the swing crank arm (1124) provided to the first hook (1131) provided to the front end of the first riser plate (1131), the rear screw rod (1127) is extruded at the rear end of the swinging crank arm (1124), a spring mounting hole is formed in the rear end of the swinging crank arm (1124), the lower portion of the first downward-pressing spring (1126) is arranged in the spring mounting hole, and the upper end of the first downward-pressing spring is sleeved on the front screw rod (1125).

8. The hose reel device of claim 1, wherein the first reel supporting mechanism (212) comprises a second screw section (2124), a first supporting rod (2121) and a first screw section (2123) which are integrally formed, a limit post (2122) arranged at the rear end of the first supporting rod (2121), a first spacer (2125) and a first connecting nut (2126) sleeved on the first screw section (2123), and a reel limit disc (2127), a second spacer (2128) and a second connecting nut (2129) sleeved on the second screw section (2124), wherein the second screw section (2124) is sleeved on the strip-shaped groove (211), and the limit post (2122) is extruded on the first reel turntable (210).