A gear type automatic unlocking trolley

Abstract

The utility model provides a gear-type automatic unlocking trolley, which comprises: a trolley body, a first rotating shaft and a second rotating shaft, a material roll, a pad cloth roll, a first gear, a second gear, a first brake assembly, a second brake assembly and a manual locking assembly; the automatic unlocking trolley driving and unlocking mechanism is designed as an integrated structure, the first gear and the second gear are used as a driving member and a braking member at the same time, when the trolley enters a working position, a winding or unwinding driving and unlocking integrated device moves downward, wherein an unlocking iron block touches and overcomes the elastic force of a compression spring, so that a rack and a trolley gear are disengaged, and at the same time, the driving gear at the winding or unwinding position is meshed with the trolley gear, thereby driving the trolley I-wheel, so that the trolley performs unwinding or winding operations.

Description

Technical Field

[0001] The utility model belongs to the field of tooling guide trolleys, and in particular relates to a gear-type automatic unlocking trolley. Background Art

[0002] During the tire production process, the tooling trolley needs to be precisely aligned with the molding equipment and cutting equipment. If the assembly quality is not up to standard, it is easy to cause problems such as many trolley failures, short service life, and unsmooth automatic operation. During the use of the tooling trolley, due to insufficient precision and improper maintenance, it is easy to malfunction, affecting production efficiency. At the same time, the service life of the trolley is reduced due to poor assembly quality, and frequent replacement and maintenance are required, increasing the operating costs of the enterprise. Traditional tooling trolleys are manually locked and unlocked trolleys. With the increasing advancement of automation and automatic logistics, there is a great demand for automatically unlocked trolleys. However, the existing brake and drive mechanisms are complex, and most of them are independent mechanisms, resulting in a complex structure on the I-shaped wheel end side. For example, CN109850631A discloses a transmission assembly of a material storage tool winding trolley device, comprising a first transmission chuck (15), a first transmission shaft, a second transmission chuck (25) and a second transmission shaft, wherein the first transmission chuck (15) and the second transmission chuck (25) are respectively connected to the large I-shaped wheel (2) and the small I-shaped wheel (3) through the first transmission shaft and the second transmission shaft, and the brake mechanism comprises a first brake disc (16), a first limiting rod, a second brake disc (27) and a second limiting rod, wherein the first limiting rod (18) and the second limiting rod are mounted on the frame and are removably inserted on the first brake disc (16) and the second brake disc (27), and the first brake disc (16) and the second brake disc (27) are respectively matched with the first transmission shaft and the second transmission shaft in transmission; the draw hook locking mechanism comprises a draw hook and a driving cylinder for driving the draw hook to move horizontally, and the traction pull ring mechanism comprises a mounting seat (20) and a pull ring (21) pivotally connected to the mounting seat (20). Obviously it matches the brake disc and the transmission chuck, and needs to be locked with a hook. Utility Model Content

[0003] In view of this technical problem, in a first aspect, the utility model provides a gear-type automatic unlocking trolley, which comprises:

[0004] A trolley body, the trolley body comprising a frame, the frame comprising a left frame and a right frame, and a guide space is formed between the left frame and the right frame;

[0005] A first rotating shaft and a second rotating shaft, wherein the first rotating shaft and the second rotating shaft extend in the left-right direction and the left and right sides of the first rotating shaft and the second rotating shaft are respectively pivotally mounted on the left frame and the right frame, and one end of the first rotating shaft and the second rotating shaft constitutes a transmission end, and the transmission ends of the first rotating shaft and the second rotating shaft are located at the same left and right sides;

[0006] A material roll and a pad cloth roll, wherein the material roll and the pad cloth roll are respectively sleeved on the first rotating shaft and the second rotating shaft and are located in the guide-out space;

[0007] A first gear and a second gear, wherein the first gear is pivotally mounted on the transmission end of the first rotating shaft, and the second gear is pivotally mounted on the transmission end of the second rotating shaft, and the first gear and the second gear are suitable for cooperating with the gear transmission of the driving motor;

[0008] A first brake assembly and a second brake assembly, wherein the first brake assembly comprises a connecting rod, an upper connecting member rotatably connected to the connecting rod, a rack segment formed above the upper connecting member, a lower connecting member installed on the frame, and a spring member connected between the upper connecting member and the lower connecting member, wherein the lower connecting member is located below the upper connecting member, the rack segment extends along a straight line and is suitable for meshing with the first gear and the second gear to prevent the first gear and the second gear from rotating, the upper connecting member has a locking state meshing with the first gear and the second gear and an unlocking state disengaging from the first gear and the second gear, and the spring member provides a reset power for the upper connecting member so that the upper connecting member is always in a locked state;

[0009] A manual locking assembly includes a first buckle installed on the upper connecting member and a second buckle installed on the lower connecting member. When the first buckle is pulled down, it drives the upper connecting member to rotate downward so that the upper connecting member is converted from a locked state to an unlocked state. The first buckle is suitable for connecting with the second buckle to keep the upper connecting member in the unlocked state.

[0010] In some embodiments, a lower connecting rod is installed below the upper connecting member, an upper connecting rod is installed above the lower connecting member, the upper connecting rod and the lower connecting rod are coaxially arranged, the upper end of the spring member is connected to the upper connecting rod and the lower end is connected to the lower connecting rod, and there is a vertical spacing between the upper connecting rod and the lower connecting rod to provide compression space for the spring member.

[0011] In some embodiments, the first buckle is a closed-loop chain, and the second buckle is an open chain. The open chain buckle drives the upper connecting member to rotate downward in the closed-loop chain.

[0012] In some embodiments, the material roll and the pad cloth roll are I-shaped wheel structures, and there is a height difference between the pad cloth roll and the material roll;

[0013] In some embodiments, the upper connecting member includes an upper connecting plate and a seat body mounted on the upper connecting plate, the seat body having a linearly extending rack segment, one end of the upper connecting plate is rotatably connected to the connecting rod via a pivot seat, and the other end has a first buckle.

[0014] In some embodiments, the spring member is a compression spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 and Figure 2 This is a schematic diagram of the structure of the gear-type automatic unlocking trolley provided by the utility model;

[0017] Figure 3 for Figure 2 A partial enlarged view of

[0018] Among them, the trolley body 1, the first rotating shaft 2, the second rotating shaft 3, the material roll 4, the pad cloth roll 5, the first gear 61, the second gear 62, the left frame 11, the right frame 12, the first brake assembly 7, the second brake assembly 8, the connecting rod 71, the upper connecting member 72, the rack segment 73, the lower connecting member 75, the spring member 74, the first buckle 91, the second buckle 92, the lower connecting rod 77, the upper connecting rod 78, the seat body 70, and the pivot seat 76. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0020] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left” and “right” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-Figure 3The embodiment of the utility model provides a gear-type automatic unlocking trolley, which includes a trolley body 1, a first rotating shaft 2 and a second rotating shaft 3, a material roll 4 and a pad cloth roll 5, a first gear 61 and a second gear 62, a first brake assembly 7, a second brake assembly 8 and a manual locking assembly;

[0023] The vehicle body includes a frame, and the frame includes a left frame 11 and a right frame 12, and a guide space is formed between the left frame 11 and the right frame 12;

[0024] The first rotating shaft 2 and the second rotating shaft 3 extend in the left-right direction and the left and right sides of the two are respectively pivoted on the left frame 11 and the right frame 12. One end of the first rotating shaft 2 and the second rotating shaft 3 constitutes a transmission end, and the transmission ends of the first rotating shaft 2 and the second rotating shaft 3 are located on the left and right sides; the material roll 4 and the pad cloth roll 5 are respectively sleeved on the first rotating shaft 2 and the second rotating shaft 3 and are located in the guide space; the first gear 61 is pivoted on the transmission end of the first rotating shaft 2, and the second gear 62 is pivoted on the transmission end of the second rotating shaft, and the first gear and the second gear are suitable for cooperating with the drive motor gear transmission; wherein, the first gear 61 and the second gear 62 are respectively used for cooperating with the drive motor transmission and the brake assembly, that is, the first gear not only performs the drive transmission function, but also performs the brake function, integrating the drive and brake functions in the same component, reducing the number of components and the occupied space, making the overall design more compact, and suitable for occasions with limited space. By realizing multiple functions through one component, the structure of the entire system is simplified, the connection and matching problems between components are reduced, and the stability and reliability of the system are improved. At the same time, since the brake and drive are on the same component, their actions can be better coordinated, reducing the cost of purchasing and installing parts, as well as the cost of maintenance and replacement of parts.

[0025] The structures of the first brake assembly 7 and the second brake assembly 8 are basically the same, and the only difference is the different position settings. Therefore, only the first brake assembly is taken as an example to explain the structures of the two. The first brake assembly 7 and the second brake assembly 8 both include a connecting rod 71 installed on the frame, an upper connecting member 72 rotatably connected to the connecting rod, a rack segment 73 formed above the upper connecting member, a lower connecting member 75 installed on the frame, and a spring member 74 connected between the upper connecting member and the lower connecting member. The lower connecting member 75 is located below the upper connecting member 74. The rack segment extends in a straight line and is suitable for meshing with the first gear and the second gear to prevent the first gear and the second gear from rotating. The upper connecting member has a locked state in which it is meshed with the first gear and the second gear. At this time, the rack segment extends horizontally in the left and right directions. The upper connecting member 72 has an unlocked state in which it is disengaged from the first gear 61 and the second gear 62. At this time, the rack segment 7 extends downwardly and tilts. The spring member 74 provides a reset force for the upper connecting member 72 so that the upper connecting member 72 It is often in a locked state, that is, the upper connecting member 72 can rotate compared with the upper connecting rod 71, so that the rack segment 73 on the upper connecting rod 71 can be displaced with the rotation of the upper connecting member 72. When the upper connecting member is exerted downward, the upper connecting member overcomes the upward elastic force of the spring member 74 and rotates downward, and the rack segment moves away from the first gear 61 and the second gear 62. At this time, the first gear 61 and the second gear 62 can be driven by the driving motor to rotate, that is, the first rotating shaft 2 and the second rotating shaft 3 drive the material roll and the pad cloth roll to rotate, and guide or reel them up; when the external pressure is removed, the spring member provides the upper connecting member with the power to rotate upward until the rack segment 73 is engaged with the first gear 61 and the second gear 62, thereby preventing the first gear 61 and the second gear 62 from rotating, that is, the spring member 74 makes the upper connecting member 72 often in a locked state. As mentioned above, when the upper connecting member 72 is in an unlocked state, the first gear 61 and the second gear 62 are connected to the driving motor by gear transmission. In this way, the first gear 61 and the second gear 62 of the utility model integrate braking and driving, which greatly simplifies the structure of the vehicle.

[0026] In this embodiment, the action mode under the downward force exerted on the upper connecting member includes automatic and manual, that is, the upper brake assembly and the lower brake assembly provided in this embodiment combine manual and automatic functions into one, and the structure is also significantly simplified. It is understandable that manual and automatic functions are necessary and must be equipped on the existing tooling trolley at the same time. The trolley may need to manually unload materials offline at non-stations. When designing the utility model, a manual design is made for this situation. When unwinding the winding station, it is inevitably inconvenient to do it manually, so automatic unlocking and locking are more necessary designs.

[0027] Preferably, a lower connecting rod 77 is installed below the upper connecting member, and an upper connecting rod 78 is installed above the lower connecting member. The upper connecting rod 78 and the lower connecting rod 77 are coaxially arranged. The upper end of the spring member 74 is connected to the upper connecting rod 78 and the lower end is connected to the lower connecting rod 77. There is a vertical spacing between the upper connecting rod 78 and the lower connecting rod 77 in the vertical direction to provide compression space for the spring member, and the spring member is deformed as the upper connecting member rotates. It is worth noting that, with the upper connecting rod 78 and the lower connecting rod 77 of this embodiment, which are far from each other, one end of the spring member 74 is sleeved on the upper connecting rod 78, and the other end is sleeved on the lower connecting rod 77. The upper connecting rod 78 and the lower connecting rod 77 are coaxial and have a gap, that is, the spring member 74 has a hollow section. In this way, when the upper connecting member 72 rotates downward, the hollow section of the spring member 74 is rotated and deformed. In this way, it matches the downward rotation direction of the upper connecting member 72, which can reduce unnecessary resistance and friction, make the unlocking action smoother, and avoid stress concentration in a specific part to cause wear and damage to the part. When the upper connecting rod 78 and the lower connecting rod 77 are against each other, the spring reaches the compression limit, avoiding excessive compression to cause spring failure or system damage.

[0028] Exemplarily, the material roll 4 and the pad cloth roll 5 are I-wheel structures, and there is a height difference between the pad cloth roll 5 and the material roll 4; the upper connecting member 72 includes an upper connecting plate and a seat body 70 mounted on the upper connecting plate, and the seat body 70 has a linearly extending rack segment 73, one end of the upper connecting plate is rotatably connected to the connecting rod through a pivot seat 76, and the other end has a first buckle. The spring member 74 is a compression spring.

[0029] In this embodiment, the connecting rod 71 and the lower connecting member 75 of the first brake assembly 7 and the second brake assembly 8 are simultaneously installed on the left frame or the right frame. The lower connecting member 75 includes a connecting seat and a connecting plate connected to the connecting seat, and the connecting rod is connected to the connecting plate.

[0030] Specifically, the manual locking method is as follows: the manual locking assembly includes a first buckle 91 installed on the upper connecting member and a second buckle 92 installed on the lower connecting member, and the first buckle 91 is pulled down to drive the upper connecting member 72 to rotate downward, thereby converting the upper connecting member 72 from a locked state to an unlocked state, and the first buckle 91 is suitable for connecting with the second buckle 92 so that the upper connecting member 72 remains in an unlocked state. In this embodiment, the first buckle 91 is a closed-loop chain, and the second buckle 92 is an open chain, and the open chain buckles the upper connecting member downward when the closed-loop chain is engaged. Specifically, the closed-loop chain is manually pulled to drive the upper connecting member 72 to rotate downward compared to the connecting rod 71, and at this time, the rack segment is disengaged from the locking engagement with the first gear 61 and the second gear 62, and the closed-loop chain is buckled in the open-loop chain so that the upper connecting member 72 remains in an unlocked state tilted downward. Correspondingly, the closed chain and the open chain are manually disengaged, and the rack segment automatically moves upward under the elastic force of the compression spring 74, and finally the rack segment is meshed with the first gear 61 and the second gear 62, thereby implementing manual locking.

[0031] The key to this embodiment is to provide a driving device that integrates braking and driving, which is convenient for automatic unlocking and automatic driving at the same time, and specifically includes the following structure: the braking and driving mechanism is installed at the guide-off station. More specifically, it includes a first driving brake assembly for driving and braking the first gear 61, and a second driving brake assembly for driving and braking the second gear 62. Since the first driving brake assembly and the second driving brake assembly have the same structure, the only difference is that they are different in order to adapt to the positions of the second gear 62, the first brake assembly and the second brake assembly. Therefore, only the first driving brake assembly will be described in detail below. The first brake assembly includes a lifting drive mechanism, a driving motor, a driving gear and a pressing member. The lifting drive mechanism includes a lifting module, which is used to drive the lifting of the driving motor, the driving gear and the pressing member. The driving gear is connected to the driving motor shaft, so that the rotation of the driving motor shaft drives the rotation of the driving gear. The lifting drive mechanism is connected to the driving motor to drive the driving motor to move up and down, so that the driving gear is meshed with the first gear and the second gear for transmission or disengagement. The pressing member is connected to the lifting drive mechanism to drive the lifting and movement of the driving pressing member. When the trolley enters the guide-off station, the projection of the pressing member in the vertical direction falls on the upper connecting member. In this way, the lifting module can drive the pressing member to move downward and press against the upper connecting member. The downward movement of the pressing member drives the upper connecting member to overcome the elastic force of the spring member and rotate downward, so that the upper connecting member switches from a locked state to an unlocked state. At this time, the driving gear of the driving motor is meshed with the first gear and the second gear to cause a driving process. It can be understood that the driving work of the driving motor is slightly later than the unlocking work of the pressing member, that is, after the pressing member completes the unlocking work, the driving motor starts to drive the first gear and the second gear.

[0032] In this embodiment, the lifting module includes but is not limited to a driving cylinder, the driving cylinder piston rod is connected to a driving motor, or other lifting modules are used.

[0033] Exemplarily, the pressing member is an iron pressing block extending downward.

[0034] The utility model provides a winding and unwinding method of the aforementioned system, wherein the trolley enters the molding machine station and specifically includes an unlocking driving method and a locking method:

[0035] The unlocking driving method comprises the following steps: the lifting cylinder drives the driving motor and the pressing member to move downward at the same time, until the pressing member presses the upper connecting member to rotate downward, until the rack segment 73 is disengaged from the first gear 61 and the second gear 62; at this time, the driving gear of the driving motor cooperates with the first gear 61 and the second gear 62 to drive the rotation of the material roll 4 and the pad cloth roll 5;

[0036] The locking method includes: the lifting cylinder drives the driving motor and the pressing piece to move upward at the same time, the pressing piece moves away from the upper connecting piece 72, and the spring piece 74 provides a reset power for the upper connecting piece until the rack segment is engaged with the first gear 61 and the second gear 62 to prevent the first gear 61 and the second gear 62 from rotating; at this time, the driving gear of the driving motor moves away from the first gear 61 and the second gear 62, completing the locking of the automatic unlocking trolley.

[0037] In this way, when the trolley goes up to the work station, it is automatically unlocked; when the trolley goes down to the work station, it is automatically locked, thereby improving automation and realizing machine replacement.

[0038] The present application integrates the manual and rotation unlocking structures into one through the above structure, and integrates the braking and driving structures into one, which greatly simplifies the driving and braking structures of the trolley, and simultaneously completes the functions of driving, manual unlocking and locking, and automatic unlocking and locking. The automatic unlocking trolley driving and unlocking mechanism provided by the utility model is designed as an integrated structure, and the first gear and the second gear serve as both the driving member and the braking member. Correspondingly, when the trolley enters the workstation, the driving and unlocking integrated device for winding or unwinding moves downward, wherein the unlocking iron block touches and overcomes the elastic force of the compression spring, disengaging the rack and the gear (i.e., automatically unlocking), and at the same time, the driving gear at the winding or unwinding position is meshed with the trolley gear, thereby driving the trolley I-wheel, so that the trolley performs unwinding or winding operations.

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A gear-type automatic unlocking trolley, characterized in that: The unlocked car includes: A trolley body, the trolley body comprising a frame, the frame comprising a left frame and a right frame, and a guide space is formed between the left frame and the right frame; A first rotating shaft and a second rotating shaft, wherein the first rotating shaft and the second rotating shaft extend in the left-right direction and the left and right sides of the first rotating shaft and the second rotating shaft are respectively pivotally mounted on the left frame and the right frame, and one end of the first rotating shaft and the second rotating shaft constitutes a transmission end, and the transmission ends of the first rotating shaft and the second rotating shaft are located at the same left and right sides; A material roll and a pad cloth roll, wherein the material roll and the pad cloth roll are respectively sleeved on the first rotating shaft and the second rotating shaft and are located in the guide-out space; A first gear and a second gear, wherein the first gear is pivotally mounted on the transmission end of the first rotating shaft, and the second gear is pivotally mounted on the transmission end of the second rotating shaft, and the first gear and the second gear are suitable for cooperating with the gear transmission of the driving motor; A first brake assembly and a second brake assembly, wherein the first brake assembly comprises a connecting rod mounted on the frame, an upper connecting member rotatably connected to the connecting rod, a rack segment formed above the upper connecting member, a lower connecting member mounted on the frame, and a spring member connected between the upper connecting member and the lower connecting member, wherein the lower connecting member is located below the upper connecting member, the rack segment extends in a straight line and is adapted to mesh with the first gear and the second gear to prevent the first gear and the second gear from rotating, the upper connecting member has a locked state meshed with the first gear and the second gear and an unlocked state disengaged from the first gear and the second gear, and the spring member provides a reset force for the upper connecting member so that the upper connecting member is always in a locked state; A manual locking assembly includes a first buckle installed on the upper connecting member and a second buckle installed on the lower connecting member. When the first buckle is pulled down, it drives the upper connecting member to rotate downward so that the upper connecting member is converted from a locked state to an unlocked state. The first buckle is suitable for connecting with the second buckle to keep the upper connecting member in the unlocked state.

2. The gear type automatic unlocking trolley according to claim 1, characterized in that: A lower connecting rod is installed below the upper connecting member, and an upper connecting rod is installed above the lower connecting member. The upper connecting rod and the lower connecting rod are coaxially arranged. The upper end of the spring member is connected to the upper connecting rod and the lower end is connected to the lower connecting rod. There is a vertical spacing between the upper connecting rod and the lower connecting rod to provide compression space for the spring member.

3. The gear type automatic unlocking trolley according to claim 1, characterized in that: The first buckle is a closed-loop chain, and the second buckle is an open chain. The open chain buckle drives the upper connecting piece to rotate downward in the closed-loop chain.

4. The gear type automatic unlocking trolley according to claim 1, characterized in that: The material roll and the pad cloth roll are I-shaped wheel structures, and there is a height difference between the pad cloth roll and the material roll.

5. The gear type automatic unlocking trolley according to claim 1, characterized in that: The upper connecting member includes an upper connecting plate and a seat body mounted on the upper connecting plate, the seat body is provided with a linearly extending rack segment, one end of the upper connecting plate is rotatably connected to the connecting rod through a pivot seat, and the other end is provided with a first buckle.

6. The gear type automatic unlocking trolley according to claim 1, characterized in that: The spring element is a compression spring.

Images