Packing belt unwinding device

Abstract

The utility model discloses a packing belt unwinding device which comprises a base, a first vertical plate is fixed to the top of the base, a first rotating shaft is installed in the first vertical plate in a penetrating mode, the inner wall of an inner cavity is provided with a through groove, a groove and a second fixing plate, and the second fixing plate and the groove form a sliding structure. The connecting rod can rotate by a certain angle on the third rotating shaft, a first fixing plate can be sleeved with a groove in the connecting rod conveniently, rapid sleeving connection of the connecting rod and the second rotating shaft is facilitated, and after sleeving connection of the connecting rod and the second rotating shaft is completed, a first motor is started to drive the third rotating shaft to rotate; and then a third rotating shaft can drive a second rotating shaft to rotate through a second fixing plate, a groove, a connecting rod and a first fixing plate, so that four supporting rods can move away from one another or move close to one another, steel strip coils with different inner diameters can be fixed, manual driving is not needed, and the situation that heavy steel strip coils cannot be fixed is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of strapping tape unwinding, in particular to a strapping tape unwinding device. Background Art

[0002] After the photovoltaic bracket is processed, it is generally necessary to package the product for the convenience of storage and transportation. Since the photovoltaic bracket is large in size and heavy in weight, steel belts are generally used to package the photovoltaic bracket, so a photovoltaic bracket packaging belt unwinding device is required.

[0003] For example, the utility model with the authorization announcement number CN217626565U discloses a photovoltaic bracket strapping unwinding device, including a base, a fourth gear installed at the end of the fourth rotating shaft, and the fourth gear is connected to the first gear. The photovoltaic bracket strapping unwinding device is provided with a first rotating shaft, and the second rotating shaft can be driven to rotate by rotating the handle, so that the second gear on the second rotating shaft drives four third gears to rotate, thereby causing the third rotating shaft to rotate. Since the outer wall of the third rotating shaft is provided with positive and negative threads, the connecting sleeve can raise the support rod through the connecting rod, thereby limiting the inner wall of the steel strip roll, and a movable disk is provided. Since the outer wall of the first rotating shaft is provided with threads, the movable disk can be threadedly connected to the first rotating shaft, and the two ends of the steel strip roll can be limited by the fixed disk on the first rotating shaft. The position of the movable disk can also be adjusted to limit the steel strip rolls of different thicknesses, thereby ensuring the stability of the device.

[0004] Although the above-mentioned authorized patent can make four support rods move towards or away from each other at the same time, so as to fix steel strips with different inner diameters and prevent the steel strips from slipping when unwinding, the above-mentioned authorized patent achieves the simultaneous movement of the four support rods towards or away from each other by manually rotating the handle. The manual operation can only fix lighter steel strips, but cannot fix heavier steel pipes, resulting in great limitations in use.

[0005] In view of the above problems, an innovative design is carried out on the basis of the original unwinding device. Utility Model Content

[0006] The utility model aims to provide a packing tape unwinding device to solve the problems raised by the above-mentioned background technology.

[0007] The utility model is realized by the following technical solutions:

[0008] A strapping unwinding device comprises a base, a first vertical plate is fixed on the top of the base, a first rotating shaft is installed through the inside of the first vertical plate, an inner cavity is formed inside the first rotating shaft, a through slot is formed on the inner wall of the inner cavity, a second rotating shaft is installed inside the inner cavity, a movable ring is provided on the outer side of the second rotating shaft, a movable rod is rotatably installed on the outer wall of the movable ring, and an end of the movable rod passes through the through slot and is rotatably installed with a support rod;

[0009] The outer wall of the second rotating shaft end is located outside the first rotating shaft, and a first fixing plate is fixed thereon; a second vertical plate is fixed to one side of the top of the base; a first motor is fixedly installed inside one side of the second vertical plate; a third rotating shaft is fixed to the output end of the first motor; the third rotating shaft is located inside the through hole; the through hole is opened in the middle of the connecting rod; a groove is opened on the inner wall of the through hole; a second fixing plate is installed inside the groove; and a side of the second fixing plate is fixedly connected to the outer wall of the third rotating shaft;

[0010] A second motor is fixed inside one side of the first vertical plate, a second gear is fixed to the output end of the second motor, a first gear is meshed on the top of the second gear, and an inner wall of the first gear is fixedly connected to an outer wall of the first rotating shaft.

[0011] Preferably, a first baffle is fixed to one end of the outer wall of the first rotating shaft close to the supporting rod, and a second baffle is arranged on the other end of the outer wall of the first rotating shaft close to the supporting rod.

[0012] Preferably, the first rotating shaft and the second baffle are threadedly connected.

[0013] Preferably, opposite threads are provided at both ends of the second rotating shaft located inside the inner cavity, and the second rotating shaft and the movable ring are threadedly connected, and there are two movable rings symmetrically distributed about the central axis of the inner cavity, the movable rods are symmetrically distributed about the central axis of the support rod, and there are four support rods distributed at equal angles about the central axis of the first rotating shaft.

[0014] Preferably, the diameters of the second rotating shaft and the third rotating shaft are the same, and the third rotating shaft and the through hole form a sliding structure.

[0015] Preferably, the ends of the first fixing plate and the second fixing plate are of the same size, and the second fixing plate and the groove form a sliding structure.

[0016] In summary, the beneficial technical effects of the utility model are:

[0017] A groove and a second fixed plate are provided, and the second fixed plate and the groove form a sliding structure, so that the connecting rod can rotate a certain angle on the third rotating shaft, which is convenient for the groove on the connecting rod to be sleeved on the first fixed plate, which is beneficial to the quick sleeve connection of the connecting rod and the second rotating shaft. When the connecting rod and the second rotating shaft are sleeved, the first motor is started to drive the third rotating shaft to rotate, and then the third rotating shaft can drive the second rotating shaft to rotate through the second fixed plate, the groove, the connecting rod and the first fixed plate, so that the four support rods can move away from each other or move towards each other, thereby fixing steel strip rolls with different inner diameters. It does not require manual drive, avoiding the situation where heavier steel strip rolls cannot be fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 2 This utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 3 This is a schematic diagram of the installation structure of the second fixing plate of the utility model from a side view;

[0021] Figure 4 It is a schematic diagram of the installation structure of the second rotating shaft from the side of the utility model.

[0022] Figure numerals: 1. base; 2. first vertical plate; 3. first rotating shaft; 4. inner cavity; 5. through groove; 6. second rotating shaft; 7. movable ring; 8. movable rod; 9. support rod; 10. first fixed plate; 11. second vertical plate; 12. first motor; 13. third rotating shaft; 14. through hole; 15. connecting rod; 16. groove; 17. second fixed plate; 18. second motor; 19. first gear; 20. second gear; 21. first baffle; 22. second baffle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] Reference Figure 1-4 , a packing tape unwinding device disclosed in the utility model comprises a base 1, a first vertical plate 2 is fixed on the top of the base 1, a first rotating shaft 3 is installed through the inside of the first vertical plate 2, an inner cavity 4 is provided inside the first rotating shaft 3, a through groove 5 is provided on the inner wall of the inner cavity 4, a second rotating shaft 6 is installed inside the inner cavity 4, a movable ring 7 is provided on the outer side of the second rotating shaft 6, a movable rod 8 is rotatably installed on the outer wall of the movable ring 7, and an end of the movable rod 8 passes through the through groove 5 and a support rod 9 is rotatably installed inside the inner cavity 4;

[0025] The outer wall of the end of the second rotating shaft 6 is located outside the first rotating shaft 3 and is fixed with a first fixing plate 10, a second vertical plate 11 is fixed to one side of the top of the base 1, a first motor 12 is fixedly installed inside one side of the second vertical plate 11, a third rotating shaft 13 is fixed to the output end of the first motor 12, the third rotating shaft 13 is located inside the through hole 14, the through hole 14 is opened in the middle of the connecting rod 15, a groove 16 is opened on the inner wall of the through hole 14, a second fixing plate 17 is installed inside the groove 16, and the side of the second fixing plate 17 is fixedly connected to the outer wall of the third rotating shaft 13;

[0026] A second motor 18 is fixed inside one side of the first vertical plate 2 , a second gear 20 is fixed to the output end of the second motor 18 , a first gear 19 is meshed on the top of the second gear 20 , and an inner wall of the first gear 19 is fixedly connected to an outer wall of the first rotating shaft 3 .

[0027] A first baffle plate 21 is fixed to one end of the outer wall of the first rotating shaft 3 close to the supporting rod 9 , and a second baffle plate 22 is arranged on the other end of the outer wall of the first rotating shaft 3 close to the supporting rod 9 .

[0028] The first rotating shaft 3 and the second baffle 22 are threadedly connected, which is convenient for disassembly and installation of the second baffle 22, and the first baffle 21 and the second baffle 22 can limit the steel strip roll to prevent it from falling off.

[0029] The second rotating shaft 6 is located inside the inner cavity 4 and is provided with opposite threads at both ends, and the second rotating shaft 6 and the movable ring 7 are threadedly connected, and there are two movable rings 7 symmetrically distributed about the central axis of the inner cavity 4, and the movable rod 8 is symmetrically distributed about the central axis of the support rod 9, and there are four support rods 9 distributed at equal angles about the central axis of the first rotating shaft 3, which ensures that when the second rotating shaft 6 rotates, the two movable rings 7 can move towards or away from each other, so that the two movable rings 7 can drive the four support rods 9 to move away from or towards each other through the movable rod 8, thereby fixing steel strip rolls with different inner diameters.

[0030] The diameters of the second rotating shaft 6 and the third rotating shaft 13 are the same, and the third rotating shaft 13 and the through hole 14 form a sliding structure, which ensures that when the connecting rod 15 moves to the right, the through hole 14 inside the connecting rod 15 can be sleeved on the outside of the second rotating shaft 6.

[0031] The ends of the first fixing plate 10 and the second fixing plate 17 are the same size, and the second fixing plate 17 and the groove 16 form a sliding structure, such as Figure 2-3As shown, it is ensured that the connecting rod 15 can rotate a certain angle on the third rotating shaft 13, which is beneficial for the groove 16 in the connecting rod 15 to be connected with the first fixed plate 10 when the connecting rod 15 moves to the right, thereby facilitating the connecting rod 15 to be sleeved on the second rotating shaft 6, ensuring that when the third rotating shaft 13 rotates, it can drive the second rotating shaft 6 to rotate through the connecting rod 15, the groove 16, the second fixed plate 17 and the first fixed plate 10.

[0032] The working principle and beneficial effects of the utility model are as follows: firstly, the second baffle 22 is rotated, and since the second baffle 22 and the first rotating shaft 3 are threadedly connected, the second baffle 22 is removed from the first rotating shaft 3, and then the steel belt is rolled around the outside of the four supporting rods 9, according to Figure 2-3 As shown, the connecting rod 15 is rotated, and then the connecting rod 15 drives the groove 16 to rotate until the groove 16 moves to the right and can be sleeved on the outside of the first fixed plate 10. After the connecting rod 15 is rotated to a good position, the connecting rod 15 is moved to the right so that the groove 16 on the connecting rod 15 is sleeved on the outside of the first fixed plate 10. Then the first motor 12 is started, and then the first motor 12 drives the third shaft 13 and the second fixed plate 17 to rotate. At the same time, the second fixed plate 17 drives the connecting rod 15 to rotate through the groove 16. Then the connecting rod 15 drives the second shaft 6 to rotate through the groove 16 and the first fixed plate 10.

[0033] Since the second rotating shaft 6 is provided with opposite threads at both ends inside the inner cavity 4, and the second rotating shaft 6 and the movable ring 7 are threadedly connected, and there are two movable rings 7 symmetrically distributed about the central axis of the inner cavity 4, and the movable rods 8 are symmetrically distributed about the central axis of the support rods 9, and there are four support rods 9 distributed at equal angles about the central axis of the first rotating shaft 3, the four support rods 9 move away from each other, so that the outer walls of the four support rods 9 are in close contact with the inner wall of the steel strip roll, so that the steel strip roll is fixed;

[0034] When it is necessary to unwind the steel strip roll, the connecting rod 15 is moved to the left to separate the connecting rod 15 from the second rotating shaft 6, and then the second motor 18 is started. The second motor 18 then drives the second gear 20, the first gear 19 and the first rotating shaft 3 to rotate. At the same time, the first rotating shaft 3 drives the steel strip roll to rotate through the four support rods 9, thereby completing the unwinding of the steel strip roll.

[0035] The above description is only a preferred specific implementation method of the present invention, and does not limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A strapping unwinding device, characterized in that: The invention comprises a base (1), a first vertical plate (2) is fixed on the top of the base (1), a first rotating shaft (3) is installed through the inside of the first vertical plate (2), an inner cavity (4) is provided inside the first rotating shaft (3), a through groove (5) is provided on the inner wall of the inner cavity (4), a second rotating shaft (6) is installed inside the inner cavity (4), a movable ring (7) is provided on the outer side of the second rotating shaft (6), a movable rod (8) is rotatably installed on the outer wall of the movable ring (7), and a support rod (9) is rotatably installed on the end of the movable rod (8) through the through groove (5); The outer wall of the end of the second rotating shaft (6) is located outside the first rotating shaft (3), and a first fixing plate (10) is fixed thereto; a second vertical plate (11) is fixed to one side of the top of the base (1); a first motor (12) is fixedly installed inside one side of the second vertical plate (11); a third rotating shaft (13) is fixed to the output end of the first motor (12); the third rotating shaft (13) is located inside a through hole (14); the through hole (14) is opened in the middle of a connecting rod (15); a groove (16) is opened on the inner wall of the through hole (14); a second fixing plate (17) is installed inside the groove (16); and the side of the second fixing plate (17) is fixedly connected to the outer wall of the third rotating shaft (13); A second motor (18) is fixed inside one side of the first vertical plate (2), a second gear (20) is fixed to the output end of the second motor (18), a first gear (19) is meshed at the top of the second gear (20), and an inner wall of the first gear (19) is fixedly connected to an outer wall of the first rotating shaft (3).

2. A strapping tape unwinding device according to claim 1, characterized in that: A first baffle (21) is fixed to one end of the outer wall of the first rotating shaft (3) close to the support rod (9), and a second baffle (22) is provided to the other end of the outer wall of the first rotating shaft (3) close to the support rod (9).

3. A strapping tape unwinding device according to claim 1, characterized in that: The first rotating shaft (3) and the second baffle (22) are threadedly connected.

4. The strapping tape unwinding device according to claim 1, characterized in that: The second rotating shaft (6) is provided with opposite threads at both ends located inside the inner cavity (4), and the second rotating shaft (6) and the movable ring (7) are threadedly connected, and there are two movable rings (7) symmetrically distributed about the central axis of the inner cavity (4), and the movable rod (8) is symmetrically distributed about the central axis of the support rod (9), and there are four support rods (9) distributed at equal angles about the central axis of the first rotating shaft (3).

5. The strapping tape unwinding device according to claim 1, characterized in that: The second rotating shaft (6) and the third rotating shaft (13) have the same diameter, and the third rotating shaft (13) and the through hole (14) form a sliding structure.

6. The strapping tape unwinding device according to claim 1, characterized in that: The ends of the first fixing plate (10) and the second fixing plate (17) are of the same size, and the second fixing plate (17) and the groove (16) form a sliding structure.

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