Anti-lock device

Abstract

The present invention discloses an anti-locking device. A first sprocket movable plate and a second sprocket movable plate are respectively arranged on both sides of a fixed plate. The sprocket is connected to the front end of the first sprocket movable plate and the second sprocket movable plate through a wheel shaft. The sprocket of the needle conveying system can be lifted up after encountering resistance to avoid the situation of locking. When the striker of the needle conveying system is locked, the reaction force lifts the sprocket upward to ensure the normal operation of the conveying chain. When the hanger passes, the reset spring restores the sprocket to its original state.

Description

Technical Field

[0001] The invention relates to the technical field of logistics conveying systems, in particular to an anti-locking device, and more particularly to a mechanical connection structure thereof. Background Art

[0002] During operation, the needle conveying system may sometimes encounter a situation where the needle and the hook of the hanger collide, which will jam the conveying chain and cause system failure. Manual troubleshooting cannot completely solve this problem, so it is still necessary to further improve the conveying structure at the replacement node of the needle conveying system. Summary of the invention

[0003] The purpose of the present invention is to provide an anti-locking device, which can automatically move up and lift the sprocket of the needle conveying system when it encounters a lock-up situation, thereby avoiding system failure and overcoming the defects and shortcomings of the prior art.

[0004] In order to achieve the above-mentioned purpose, the technical scheme of the present invention is as follows: an anti-locking device comprises a fixed plate, a first sprocket movable plate and a second sprocket movable plate are respectively arranged on both sides of the fixed plate, the sprocket is connected to the front end of the first sprocket movable plate and the second sprocket movable plate through a wheel shaft, an axial hole is provided at the position of the fixed plate corresponding to the wheel shaft, the axial hole is elliptical, the wheel shaft passes through the axial hole of the fixed plate, the wheel shaft displaces in the elliptical axial hole, a first movable plate gap hole is provided at the first sprocket movable plate, a short pin is provided at the second sprocket movable plate, one end of the short pin is fixedly connected to the second sprocket movable plate, a fixed plate gap hole matched with the short pin is provided at the fixed plate, the other end of the short pin passes through the fixed plate gap hole and then passes through the first movable plate gap hole, a nut is provided at the other end of the short pin, the upper part of the second sprocket movable plate near the rear end is movably connected to the fixed plate through a rotating shaft, a first tension spring fixing column is provided at the far end of the fixed plate, a second tension spring fixing column is provided at the lower part of the second sprocket movable plate near the rear end, and a tension spring is provided between the first tension spring fixing column and the second tension spring fixing column.

[0005] The invention discloses an anti-locking device, and the technical effect is that the sprocket of the needle conveying system can be lifted up after encountering an obstacle to avoid the situation of locking. When the striker of the needle conveying system is locked, the reaction force lifts the sprocket upward to ensure the normal operation of the conveying chain. When the hanger passes, the reset spring restores the sprocket to its original state, and the normal working state of the needle conveying system is restored. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 It is a schematic diagram of the structure of the present invention.

[0007] Figure 2 It is a bottom view of the present invention.

[0008] Figure 3 It is a side view of the present invention.

[0009] Figure 4 A state diagram is used for the present invention.

[0010] Figure 5 It is a schematic diagram of the normal working state of the sprocket of the anti-locking device of the present invention.

[0011] Figure 6 It is a schematic diagram of the sprocket locking working state of the anti-locking device of the present invention. DETAILED DESCRIPTION

[0012] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0013] The present invention discloses an anti-locking device, such as Figure 1-Figure 3 As shown in, it is different from the prior art in that: it includes a fixed plate 1, a first sprocket movable plate 2 and a second sprocket movable plate 3 are respectively arranged on both sides of the fixed plate 1, a sprocket 4 is connected to the front ends of the first sprocket movable plate 2 and the second sprocket movable plate 3 through a wheel shaft 5, an axial hole 6 is opened at the position of the fixed plate 1 corresponding to the wheel shaft 5, and the axial hole 6 is elliptical, the wheel shaft 5 passes through the axial hole 6 of the fixed plate 1, and the wheel shaft 5 moves in the elliptical axial hole 6, a first movable plate gap hole 7 is opened at the first sprocket movable plate 2, a short pin 9 is arranged at the second sprocket movable plate 3, one end of the short pin 9 is fixedly connected to the second sprocket movable plate 3, and a fixed plate gap hole 19 matching the short pin 9 is arranged at the fixed plate 1, There is a gap between the short pin 9 and the gap hole of the fixed plate, and the short pin 9 can be displaced in the gap hole. The other end of the short pin 9 passes through the gap hole of the fixed plate and then passes through the gap hole 7 of the first movable plate. A nut is provided at the other end of the short pin 9. The upper part of the second sprocket movable plate 3 near the rear end is movably connected with the fixed plate 1 through a rotating shaft 10. A first tension spring fixing column 11 is provided at the far end of the fixed plate 1, and a second tension spring fixing column 12 is provided at the lower part of the second sprocket movable plate 3 near the rear end. A tension spring 13 is provided between the first tension spring fixing column 11 and the second tension spring fixing column 12. The tension spring 13 is used to reset the second sprocket movable plate 3. The height of the rear part of the second sprocket movable plate 3 is greater than the height of the front part of the second sprocket movable plate 3.

[0014] In a specific implementation, the upper edge of the fixed plate 1 forms a folded edge 14 toward the second sprocket movable plate 3 , which helps to increase the overall mechanical strength of the fixed plate 1 .

[0015] In a specific implementation, the first sprocket movable plate 2 forms a protruding short pin assembly portion 15 and a sprocket assembly area 16, and a height difference is formed between the sprocket assembly area 16 and the short pin assembly portion 15. A bottom plate 17 is formed at the lower edge of the first sprocket movable plate 2, and the bottom plate 17 extends from the lower part of the short pin assembly portion 15 to the lower part of the sprocket assembly area 16.

[0016] In a specific implementation, a bearing 8 is provided at the axle 5, and the sprocket 4 is connected to the axle 5 via the bearing 8.

[0017] In a specific implementation, when the needle-type conveying system is in operation, it is sometimes encountered that the needle and the hook of the hanger 18 collide with each other, such as Figure 6 As shown in , when the striker is stuck, the reaction force lifts the sprocket upward, and the first sprocket movable plate 2 and the second sprocket movable plate 3 at both ends of the wheel shaft are synchronously moved up and lifted to ensure the normal operation of the conveyor chain.

[0018] The above content is a further detailed description of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to the above descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the scope of protection of the present invention.

Claims

1. Anti-locking device, characterized by: The invention comprises a fixed plate (1), wherein a first sprocket movable plate (2) and a second sprocket movable plate (3) are respectively arranged on both sides of the fixed plate (1), a sprocket (4) is connected to the front ends of the first sprocket movable plate (2) and the second sprocket movable plate (3) through a wheel shaft (5), an axial hole (6) is provided at a position of the fixed plate (1) corresponding to the wheel shaft (5), the axial hole (6) is elliptical, the wheel shaft (5) passes through the axial hole (6) of the fixed plate (1), the wheel shaft (5) moves in the elliptical axial hole (6), a first movable plate clearance hole (7) is provided at the first sprocket movable plate (2), a short pin (9) is provided at the second sprocket movable plate (3), one end of the short pin (9) is fixedly connected to the second sprocket movable plate (3), and a fixed plate clearance hole (19) matching with the short pin (9) is provided at the fixed plate (1). The other end of the short pin (9) passes through the gap hole of the fixed plate and then passes through the gap hole (7) of the first movable plate. A nut is provided at the other end of the short pin (9). The upper part of the second sprocket movable plate (3) near the rear end is movably connected to the fixed plate (1) through a rotating shaft (10). A first tension spring fixing column (11) is provided at the far end of the fixed plate (1). A second tension spring fixing column (12) is provided at the lower part of the second sprocket movable plate (3) near the rear end. A tension spring (13) is provided between the first tension spring fixing column (11) and the second tension spring fixing column (12).

2. The anti-locking device according to claim 1, characterized in that: The upper edge of the fixed plate (1) forms a folded edge (14) in the direction of the second sprocket movable plate (3).

3. The anti-locking device according to claim 1, characterized in that: The first sprocket movable plate (2) forms a convex short pin assembly portion (15) and a sprocket assembly area (16), a height difference is formed between the sprocket assembly area (16) and the short pin assembly portion (15), and a bottom plate (17) is formed at the lower edge of the first sprocket movable plate (2), and the bottom plate (17) extends from the lower part of the short pin assembly portion (15) to the lower part of the sprocket assembly area (16).

Images