A skip drive spring compression mechanism

Abstract

The utility model discloses a kind of material car transmission spring pressing mechanisms, including the vacuum chamber swing gear structure being arranged on the inner wall of vacuum chamber, sleeve fixed seat is fixed at the inner wall of vacuum chamber close to vacuum chamber swing gear structure, the inside of sleeve fixed seat is fixed with crossbeam, two arc grooves are set in the inside of crossbeam, the inside of arc groove is fixed with sleeve, the inside of sleeve is provided with spring, the inside of one end of sleeve is inserted with the pressure head for supporting vacuum chamber swing gear structure, another end of sleeve away from pressure head is provided with elastic adjusting part. By the adjustable pressing force provided by spring in sleeve, gear swing arm can slightly swing over the dead position when material car enters, avoid material car to be stuck, when material car transmission and move out, pressing force cooperates with swing arm limiting part, restricts gear swing arm to excessively lift, prevent vacuum chamber gear set and material car roller from separating, guarantee power continuous transmission.

Description

Technical Field

[0001] This utility model relates to the field of material cart transmission for vacuum furnaces, specifically a material cart transmission spring clamping mechanism. Background Technology

[0002] In a vacuum chamber material car transport system, the entry and exit of the material car requires power transmission through the meshing of the vacuum chamber swing gear structure and the material car rollers. In the existing transport structure, when the material car enters the vacuum chamber, the material car rollers are prone to jamming with the driven gear in the vacuum chamber gear set, preventing the material car from entering smoothly. When the material car moves out of the vacuum chamber, the reaction force generated by the material car rollers on the driven gear will cause the gear swing arm to lift upward, causing the vacuum chamber gear set to disengage from the material car rollers, resulting in the material car losing power transmission and being unable to discharge normally.

[0003] In addition, the existing structure lacks an adjustable clamping and limiting mechanism, making it impossible to adapt the clamping force according to different working conditions. It is difficult to balance the requirements of the material car passing smoothly through the dead position and the meshing stability during the transmission process, which seriously affects the continuity and reliability of the material car transmission and restricts the operating efficiency of the vacuum chamber material car transmission system. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a material cart transmission spring clamping mechanism.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a material cart transmission spring clamping mechanism, including a vacuum chamber swing gear structure set on the inner wall of the vacuum chamber, a sleeve fixing seat fixed on the inner wall of the vacuum chamber near the vacuum chamber swing gear structure, a crossbeam fixed inside the sleeve fixing seat, two arc-shaped grooves opened inside the crossbeam, a sleeve fixed inside the arc-shaped grooves, a spring set inside the sleeve, a pressure head for supporting the vacuum chamber swing gear structure inserted into one end of the sleeve, and an elastic adjustment component set at the other end of the sleeve away from the pressure head.

[0006] Furthermore, the vacuum chamber swing gear structure includes a gear swing arm rotatably connected to the inner wall of the vacuum chamber via a rotating shaft. A vacuum chamber gear set is rotatably connected inside the gear swing arm. The vacuum chamber gear set is composed of a drive gear and a driven gear. The drive gear is connected to a power unit. A material cart roller meshes below the driven gear. A swing arm limiting member is attached to the bottom side wall of the gear swing arm. The swing arm limiting member is fixedly connected to the inner wall of the vacuum chamber.

[0007] Furthermore, the pressure head is a "T"-shaped cylindrical component, with the thinner end of the cylindrical component penetrating the sleeve and contacting the side wall of the gear swing arm, and the portion of the cylindrical component located inside the sleeve contacting the spring.

[0008] Furthermore, the elastic adjustment component includes a fastener rotatably connected to the top of the sleeve, and the spring force adjustment pad is in contact with the spring.

[0009] The beneficial effects of this utility model are: Solving the problems of jamming and disengagement: With the adjustable clamping force provided by the spring inside the sleeve, the gear swing arm can swing slightly past the jamming position when the material cart enters, avoiding jamming of the material cart. When the material cart is transported and moved out, the clamping force and the swing arm limit component cooperate to limit the excessive lifting of the gear swing arm, prevent the vacuum chamber gear set from disengaging from the material cart roller, and ensure continuous power transmission.

[0010] Improved transmission stability: The sleeve fixing seat, crossbeam and arc groove form a stable support structure to ensure accurate positioning of the sleeve and internal components. Combined with the flexible contact design of the pressure head, it reduces vibration and friction loss, enabling the material cart to enter and exit the vacuum chamber smoothly and reducing the transmission failure rate.

[0011] High adaptability: By rotating the fastener, the spring force adjustment pad can be moved, and the spring compression can be flexibly adjusted to precisely control the clamping force. It can adapt to the transmission needs of different material carts and different working conditions, thus improving the versatility of the mechanism.

[0012] Reliable structure: Each component has a clear division of labor and works in coordination. The sleeve can protect the internal springs, pressure heads and other components from environmental interference, extend the service life of the overall mechanism and reduce maintenance costs. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the present invention.

[0014] Figure 2 yes Figure 1 Detailed cross-sectional view of the connection structure of the middle sleeve.

[0015] Figure 3 yes Figure 1 Detailed diagram of the connection structure between the middle sleeve and the end face of the sleeve fixing seat.

[0016] Figure 4 yes Figure 2 Detailed top-view cross-sectional view of the connection structure.

[0017] Explanation of reference numerals in the attached drawings: 1. Gear swing arm, 2. Vacuum chamber gear set, 3. Material cart roller, 4. Swing arm limiting component, 5. Sleeve fixing seat, 6. Sleeve, 7. Spring, 8. Pressure head, 9. Spring force adjusting pad, 10. Fastener. Detailed Implementation

[0018] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0019] See Figures 1-4 This is a schematic diagram of the structure of this utility model, a material cart transmission spring clamping mechanism, including a vacuum chamber swing gear structure set on the inner wall of the vacuum chamber. A sleeve fixing seat 5 is fixed to the inner wall of the vacuum chamber near the swing gear structure. The sleeve fixing seat 5 provides a stable mounting base for the entire spring clamping mechanism, ensuring the positioning of each component and its firm connection to the inner wall of the vacuum chamber, preventing displacement of the mechanism during material cart transmission. A crossbeam is fixed inside the sleeve fixing seat 5, which separates and positions two arc-shaped grooves, enhancing the overall structural strength of the sleeve fixing seat 5 and preventing deformation due to force. Two arc-shaped grooves are formed inside the crossbeam, adapting to the shape of the sleeve 6, providing a close and stable mounting space for the sleeve 6, preventing wobbling of the sleeve during operation. The sleeve 6 is fixed inside the arc-shaped grooves, serving as a spring 7, pressure head 8, and elastic adjustment mechanism. The mounting carrier of the components limits the movement trajectory of each part, while isolating the vacuum chamber from external environmental interference and protecting the internal components from dust and other influences. The sleeve 6 is equipped with a spring 7, which is the main component that generates the clamping force of the mechanism. Through its own elastic deformation, it stores and releases elastic force to provide continuous and adjustable pressure to the pressure head 8, ensuring that the gear swing arm always remains under force. One end of the sleeve 6 is inserted with a pressure head 8 to support the swing gear structure of the vacuum chamber. The pressure head 8 is responsible for transmitting the elastic force of the spring 7, smoothly transmitting the elastic force of the spring 7 to the gear swing arm 1. At the same time, through flexible contact with the gear swing arm 1, it avoids rigid impact on the swing arm. The other end of the sleeve 6 away from the pressure head 8 is equipped with an elastic force adjustment component, which is used to precisely control the compression of the spring 7, thereby adjusting the clamping force to adapt to the force requirements of the material cart transmission stage.

[0020] The vacuum chamber oscillating gear structure includes a gear swing arm 1 rotatably connected to the inner wall of the vacuum chamber via a rotating shaft. The gear swing arm 1 provides mounting support for the vacuum chamber gear set 2 and can swing around the rotating shaft. With the help of spring clamping force, it adjusts the engagement and disengagement of the gears with the material cart rollers 3. The vacuum chamber gear set 2 is rotatably connected inside the gear swing arm 1. The vacuum chamber gear set 2 is the main component for power transmission. The vacuum chamber gear set 2 consists of a drive gear and a driven gear. The drive gear receives power from the power unit and transmits it to the driven gear. The driven gear transmits power to the material cart through meshing with the material cart rollers 3, thus realizing the transmission and drive of the material cart. The driven gear is connected to the power unit, which provides a continuous power source for the gear set to operate, ensuring that the gear set has stable transmission capability. The material cart roller 3 is meshed below the driven gear. The material cart roller 3 is the force-bearing contact component between the material cart and the gear set. It receives power through meshing with the driven gear, driving the material cart to move inside and outside the vacuum chamber. The bottom side wall of the gear swing arm 1 is attached to the swing arm limiting component 4. The swing arm limiting component 4 is used to limit the swing amplitude of the gear swing arm 1, preventing the swing arm from disengaging from the gear and roller or jamming due to excessive swing. The swing arm limiting component 4 is fixedly connected to the inner wall of the vacuum chamber to ensure the stability and reliability of the limiting function.

[0021] The pressure head 8 is a "T"-shaped cylindrical component. The "T"-shaped structure ensures the stability of the pressure head installation inside the sleeve and prevents it from coming out of the sleeve. It also forms a surface contact with the spring to ensure uniform force distribution. The thinner end of the cylindrical component penetrates the sleeve 6 and contacts the side wall of the gear swing arm 1. The thinner end facilitates the connection with the force-bearing point of the gear swing arm, improving the force transmission efficiency and reducing frictional loss between the pressure head 8 and the swing arm. At the same time, it avoids vibration and noise caused by rigid contact between the two. The part of the cylindrical component located inside the sleeve 6 contacts the spring 7, ensuring that the elastic force of the spring 7 can directly act on the pressure head 8 to achieve effective force transmission.

[0022] The elastic adjustment component includes a fastener 10 rotatably connected to the top of the sleeve 6. The fastener 10 moves axially through a threaded structure, providing adjustment power to the spring force adjustment pad 9. Rotating the fastener 10 changes the position of the adjustment pad. The fastener 10 is threadedly connected to the spring force adjustment pad 9 on the outer wall inside the sleeve 6. The spring force adjustment pad 9 contacts the end face of the spring 7, converting the axial displacement of the fastener 10 into a change in the compression of the spring 7, thereby adjusting the clamping force of the spring 7. The contact between the spring force adjustment pad 9 and the spring 7 ensures that the positional change of the adjustment pad can directly act on the spring 7, thereby achieving the adjustment of the clamping force.

[0023] When using this utility model: When the material cart is about to enter the vacuum chamber, the power unit drives the drive gear in the vacuum chamber gear set 2 to rotate, causing the driven gear to rotate synchronously. At this time, the roller 3 of the material cart gradually approaches the driven gear and attempts to engage. If the roller and gear become jammed, the gear swing arm 1 will be pushed by the roller and tend to swing upward around the axis of rotation. The spring 7 in the sleeve 6 transmits the clamping force to the gear swing arm 1 through the pressure head 8. This clamping force allows the gear swing arm 1 to swing slightly upward, so that the driven gear can smoothly pass the jammed position and prevent the material cart from getting stuck and unable to enter. As the material cart continues to enter, the roller 3 of the material cart fully meshes with the driven gear of the vacuum chamber gear set 2. At this time, the clamping force of the spring 7 continues to act on the gear swing arm 1 through the pressure head 8, limiting the upward swing amplitude of the gear swing arm 1 and ensuring that the swing amplitude does not exceed the critical position of transmission meshing failure. At the same time, the swing arm limiting component 4 further constrains the movement range of the gear swing arm 1, ensuring that the driven gear and the roller 3 of the material cart always maintain a stable meshing state. The power of the power unit is transmitted to the roller 3 of the material cart through the drive gear and the driven gear, driving the material cart to smoothly enter the vacuum chamber.

[0024] When the material cart completes its work and needs to be moved out of the vacuum chamber, the power unit reverses the rotation of the vacuum chamber gear set 2. The material cart roller 3 moves out of the vacuum chamber under the drive of the driven gear. During this process, the roller generates a reaction force on the driven gear, which may cause the gear swing arm 1 to tend to lift upward. At this time, the sleeve fixing seat 5 stably supports the sleeve 6 through the crossbeam and the arc groove. The spring 7 in the sleeve 6 continuously provides a stable clamping force through the pressure head 8 to prevent the gear swing arm 1 from lifting excessively and to avoid the vacuum chamber gear set 2 from disengaging from the material cart roller 3, ensuring continuous power transmission until the material cart roller 3 completely disengages from the driven gear. The material cart is then smoothly moved out of the vacuum chamber. By rotating the fastener 10 in the elastic adjustment component, the spring force adjustment pad 9 can be driven to move axially within the sleeve 6 to adjust the compression of the spring 7, thereby precisely controlling the clamping force to meet the needs of material cart transmission.

Claims

1. A material cart transmission spring clamping mechanism, comprising a vacuum chamber swing gear structure disposed on the inner wall of a vacuum chamber, characterized in that, A sleeve fixing seat (5) is fixed on the inner wall of the vacuum chamber near the vacuum chamber swing gear structure. A crossbeam is fixed inside the sleeve fixing seat (5). Two arc-shaped grooves are opened inside the crossbeam. A sleeve (6) is fixed inside the arc-shaped grooves. A spring (7) is provided inside the sleeve (6). A pressure head (8) for supporting the vacuum chamber swing gear structure is inserted into one end of the sleeve (6). An elastic adjustment component is provided at the other end of the sleeve (6) away from the pressure head (8).

2. The material cart transmission spring clamping mechanism according to claim 1, characterized in that: The vacuum chamber swing gear structure includes a gear swing arm (1) rotatably connected to the inner wall of the vacuum chamber via a rotating shaft. The inner side of the gear swing arm (1) is rotatably connected to a vacuum chamber gear set (2). The vacuum chamber gear set (2) is composed of a drive gear and a driven gear. The drive gear is connected to a power unit. A material cart roller (3) meshes with the lower side of the driven gear. A swing arm limiting member (4) is attached to the bottom side wall of the gear swing arm (1). The swing arm limiting member (4) is fixedly connected to the inner wall of the vacuum chamber.

3. The material cart transmission spring clamping mechanism according to claim 1, characterized in that: The pressure head (8) is a "T" shaped cylindrical part. The thinner end of the cylindrical part passes through the sleeve (6) and contacts the side wall of the gear swing arm (1). The part of the cylindrical part located inside the sleeve (6) contacts the spring (7).

4. The material cart transmission spring clamping mechanism according to claim 1, characterized in that: The elastic adjustment component includes a fastener (10) rotatably connected to the top of the sleeve (6), and a spring force adjustment pad (9) is threadedly connected to the outer wall inside the sleeve (6), and the spring force adjustment pad (9) is in contact with the spring (7).

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