A webbing winding device

Abstract

The utility model provides a webbing winding device, comprising a fixedly arranged base, a bracket is arranged on the base, a horizontally arranged rotating shaft is rotatably connected to the bracket, a plurality of transmission limit mechanisms are movably connected to the rotating shaft, each transmission limit mechanism is connected to a tensioning rod, each tensioning rod is always parallel to the rotating shaft under the action of the transmission limit mechanism, and a synchronous driving mechanism is also arranged on the rotating shaft that is transmission-connected to the plurality of transmission limit mechanisms. The utility model has a convenient adjustment function, can realize the winding work of winding rolls with different inner diameters, and is conducive to the rapid unloading of winding rolls.

Description

Technical Field

[0001] The utility model relates to the technical field of webbing winding equipment, in particular to a webbing winding device. Background Art

[0002] After the webbing is processed, in order to facilitate storage and transportation, the webbing needs to be wound into a roll and stored to reduce the space occupied. The existing winding device generally uses a reel for winding, but this winding method cannot be adjusted during use. The inner diameter of the winding roll formed by the webbing is fixed and cannot be adjusted, and it is not easy to adjust the tensioning effect of the webbing. On the other hand, after the winding is completed, the winding roll formed by the webbing is not convenient to unload from the reel. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a webbing winding device, which is easy to adjust and conducive to the rapid unloading of the winding roll.

[0004] According to an embodiment of the utility model, a webbing winding device comprises a fixed base, the base is provided with a bracket, the bracket is rotatably connected to a horizontally arranged rotating shaft, a plurality of groups of transmission limiting mechanisms are movably connected to the rotating shaft, each group of the transmission limiting mechanisms is connected to a tensioning rod, each of the tensioning rods is always parallel to the rotating shaft under the action of the transmission limiting mechanisms, and a synchronous driving mechanism is also provided on the rotating shaft that is transmission-connected to the plurality of groups of the transmission limiting mechanisms.

[0005] Preferably, each group of the transmission limiting mechanism includes connecting rods arranged at both ends of the tensioning rod, the two connecting rods are arranged in parallel and of equal length, one end of the two connecting rods is rotatably connected to the tensioning rod, and the other end is rotatably connected to the rotating shaft, and the synchronous drive mechanism is transmission connected to the connecting rods.

[0006] Further preferably, the synchronous drive mechanism includes a telescopic cylinder fixed on the rotating shaft and a transmission sleeve movably mounted on the rotating shaft, the telescopic rod of the telescopic cylinder is parallel to the rotating shaft and connected to the transmission sleeve, the transmission sleeve is rotatably connected to a transmission rod, and the transmission rod is rotatably connected to the middle part of the connecting rod.

[0007] Further preferably, the telescopic cylinder is arranged between the two connecting rods, the telescopic cylinder is a telescopic air cylinder, an air supply channel is provided in the rotating shaft, one end of the rotating shaft is connected to an air pipe connected to the air supply channel through a rotating joint, and an air pipe connecting the air supply channel and the cylinder is provided in the middle of the rotating shaft.

[0008] Further preferably, a lifting mechanism is provided on the base, and the bracket is provided on the lifting mechanism.

[0009] Further preferably, a power mechanism is provided on the bracket, and the power mechanism is transmission-connected to the rotating shaft and can drive the rotating shaft to rotate.

[0010] Further preferably, a limiting rod is connected to a side of the tensioning rod away from the rotating shaft, the limiting rod is parallel to the tensioning rod, and both ends of the limiting rod are bent outward to form a raised limiting portion.

[0011] Still further preferably, the end of the limiting portion is bent toward the tensioning rod to form a connecting portion, the connecting portion is arranged radially along the rotating shaft, both ends of the tensioning rod are fixedly connected to a connecting seat, a connecting hole is provided on the connecting seat, and the connecting portion extends into the connecting hole and is connected thereto through an elastic member.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] A plurality of tensioning rods parallel to the rotating shaft are provided, and the plurality of tensioning rods are evenly distributed around the rotating shaft. The tensioning rods are connected to the rotating shaft through a transmission limiting mechanism, and the transmission limiting mechanism is also connected to a synchronous driving mechanism. The synchronous driving mechanism can drive the plurality of tensioning rods to move synchronously, and the plurality of tensioning rods synchronously approach or move away from the rotating shaft in a posture parallel to the rotating shaft to adjust the distance between the tensioning rod and the rotating shaft, which is convenient for adjusting the tensioning effect and is also beneficial for unloading the winding roll. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structural schematic diagram of a webbing winding device.

[0015] Figure 2 The utility model is a schematic diagram of the matching structure of a limit rod and a tension rod in a webbing winding device.

[0016] In the above drawings: 1. base; 2. bracket; 3. rotating shaft; 4. transmission limit mechanism; 401. connecting rod; 5. tensioning rod; 501. connecting seat; 502. connecting hole; 6. synchronous drive mechanism; 601. telescopic cylinder; 602. transmission sleeve; 603. transmission rod; 7. lifting mechanism; 8. power mechanism; 9. limit rod; 901. limit part; 902. connecting part; 903. elastic member. DETAILED DESCRIPTION

[0017] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] The utility model provides an embodiment, such as Figure 1As shown, a webbing winding device comprises a fixedly arranged base 1, a through hole is arranged on the base 1, and the base 1 is fixedly connected to the mounting platform by bolts, a bracket 2 is arranged on the base 1, a horizontally arranged rotating shaft 3 is rotatably connected to the bracket 2, and a plurality of transmission limiting mechanisms 4 are movably connected to the rotating shaft 3. In this embodiment, four transmission limiting mechanisms 4 are arranged, and the four transmission limiting mechanisms 4 are evenly distributed along the circumference of the rotating shaft 3. Each group of the transmission limiting mechanisms 4 is connected to a tensioning rod 5, and each tensioning rod 5 is always parallel to the rotating shaft 3 under the action of the transmission limiting mechanism 4, and the vertical spacing between each tensioning rod 5 and the rotating shaft 3 is the same, and the rotating shaft 3 is also provided with a synchronous driving mechanism 6 which is transmission-connected to the plurality of transmission limiting mechanisms 4;

[0019] The synchronous driving mechanism 6 can drive the multiple tensioning rods 5 to synchronously approach or move away from the rotating shaft 3 through the transmission limiting mechanism 4. When the webbing is wound, the size of the inner diameter of the winding roll can be adjusted. After the winding work is completed, the multiple tensioning rods 5 move close to the rotating shaft 3, which can facilitate the removal of the winding roll.

[0020] In order to facilitate the control of the posture of the tensioning rod 5, specifically, each group of the transmission limiting mechanism 4 includes a connecting rod 401 arranged at both ends of the tensioning rod 5, the two connecting rods 401 are arranged in parallel and of equal length, one end of the two connecting rods 401 is rotatably connected to the tensioning rod 5, and the other end thereof is rotatably connected to the rotating shaft 3, and the four positions where the connecting rod 401, the tensioning rod 5, and the rotating shaft 3 are rotatably connected form a parallelogram structure, and the synchronous drive mechanism 6 is transmission-connected to the connecting rod 401. When the connecting rod 401 is rotated by the synchronous drive mechanism 6, the tensioning rod 5 will approach or move away from the rotating shaft 3 in a posture parallel to the rotating shaft 3;

[0021] Specifically, the synchronous drive mechanism 6 includes a telescopic cylinder 601 fixed on the rotating shaft 3, and a transmission sleeve 602 movably sleeved on the rotating shaft 3. The telescopic rod of the telescopic cylinder 601 is parallel to the rotating shaft 3 and connected to the transmission sleeve 602. The transmission sleeve 602 is rotatably connected with a transmission rod 603. The transmission rod 603 is rotatably connected to the middle part of the connecting rod 401. The telescopic cylinder 601 pushes and pulls the transmission sleeve 602 to make it move linearly along the axial direction of the rotating shaft 3. The transmission sleeve 602 drives the connecting rod 401 to rotate through the transmission rod 603.

[0022] In order to ensure that the telescopic cylinder 601 can normally realize the telescopic movement when the rotating shaft 3 rotates, in a further embodiment, the telescopic cylinder 601 is arranged between the two connecting rods 401, and the telescopic cylinder 601 is a telescopic cylinder. An air supply channel is provided in the rotating shaft 3, and an end of the rotating shaft 3 close to the bracket 2 is connected to an air pipe connected to the air supply channel through a rotating joint, and an air pipe connecting the air supply channel and the cylinder is provided in the middle of the rotating shaft 3;

[0023] In order to facilitate the adjustment of the height during winding, in a further embodiment, a lifting mechanism 7 is provided on the base 1, and the bracket 2 is provided on the lifting mechanism 7. The lifting mechanism 7 includes a telescopic member fixed on the base 1 and a guide member connecting the bracket 2 and the base 1;

[0024] In order to facilitate the control of the rotation of the rotating shaft 3, in a further embodiment, a power mechanism 8 is provided on the bracket 2, and the power mechanism 8 is transmission-connected with the rotating shaft 3 and can drive the rotating shaft 3 to rotate. The power mechanism 8 includes a servo motor fixed on the bracket 2, and the output end of the servo motor is transmission-connected with the rotating shaft 3;

[0025] In order to prevent the webbing from falling off the tension rod 5 during winding, Figure 2 As shown, in a further embodiment, a limit rod 9 is connected to a side of the tension rod 5 away from the rotating shaft 3, the limit rod 9 is parallel to the tension rod 5, and both ends of the limit rod 9 are bent outward to form a raised limit portion 901, and when the webbing is wound, the webbing is always located between the two limit portions 901;

[0026] In order to prevent excessive tensioning of the webbing, in a further embodiment, the end of the limiting portion 901 is bent toward the tensioning rod 5 to form a connecting portion 902, and the connecting portion 902 is radially arranged along the rotating shaft 3. The two ends of the tensioning rod 5 are fixedly connected to a connecting seat 501, and a connecting hole 502 is provided on the connecting seat 501. The connecting portion 902 extends into the connecting hole 502 and is connected thereto through an elastic member 903. In this embodiment, the elastic member 903 is a rigid spring.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A webbing winding device, comprising a fixed base (1), characterized in that: The base (1) is provided with a bracket (2), the bracket (2) is rotatably connected to a horizontally arranged rotating shaft (3), the rotating shaft (3) is movably connected to a plurality of transmission limiting mechanisms (4), each of the transmission limiting mechanisms (4) is connected to a tensioning rod (5), and each of the tensioning rods (5) is always parallel to the rotating shaft (3) under the action of the transmission limiting mechanisms (4), and the rotating shaft (3) is also provided with a synchronous driving mechanism (6) which is transmission-connected to the plurality of transmission limiting mechanisms (4).

2. A webbing winding device according to claim 1, characterized in that: Each group of the transmission limiting mechanisms (4) comprises connecting rods (401) arranged at both ends of the tensioning rod (5); the two connecting rods (401) are arranged in parallel and of equal length; one end of the two connecting rods (401) is rotationally connected to the tensioning rod (5), and the other end thereof is rotationally connected to the rotating shaft (3); and the synchronous driving mechanism (6) is transmission-connected to the connecting rods (401).

3. A webbing winding device according to claim 2, characterized in that: The synchronous drive mechanism (6) comprises a telescopic cylinder (601) fixed on the rotating shaft (3) and a transmission sleeve (602) movably sleeved on the rotating shaft (3); a telescopic rod of the telescopic cylinder (601) is parallel to the rotating shaft (3) and connected to the transmission sleeve (602); a transmission rod (603) is rotatably connected to the transmission sleeve (602); and the transmission rod (603) is rotatably connected to the middle part of the connecting rod (401).

4. A webbing winding device according to claim 3, characterized in that: The telescopic cylinder (601) is arranged between the two connecting rods (401). The telescopic cylinder (601) is a telescopic air cylinder. An air supply channel is arranged in the rotating shaft (3). One end of the rotating shaft (3) is connected to an air pipe connected to the air supply channel via a rotating joint. An air pipe connecting the air supply channel and the air cylinder is arranged in the middle of the rotating shaft (3).

5. A webbing winding device according to claim 1, characterized in that: A lifting mechanism (7) is provided on the base (1), and the bracket (2) is provided on the lifting mechanism (7).

6. A webbing winding device according to claim 1, characterized in that: The bracket (2) is provided with a power mechanism (8), and the power mechanism (8) is in driving connection with the rotating shaft (3) and can drive the rotating shaft (3) to rotate.

7. A webbing winding device according to any one of claims 1 to 6, characterized in that: A limiting rod (9) is connected to the side of the tensioning rod (5) away from the rotating shaft (3); the limiting rod (9) is parallel to the tensioning rod (5); and both ends of the limiting rod (9) are bent outwards to form a protruding limiting portion (901).

8. A webbing winding device according to claim 7, characterized in that: The end of the limiting portion (901) is bent toward the tensioning rod (5) to form a connecting portion (902), and the connecting portion (902) is arranged radially along the rotating shaft (3). The two ends of the tensioning rod (5) are fixedly connected to a connecting seat (501), and a connecting hole (502) is provided on the connecting seat (501). The connecting portion (902) extends into the connecting hole (502) and is connected thereto via an elastic member (903).

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