Semi-steel secondary forming machine matching inflatable expansion and contraction forming drum

Abstract

The present invention discloses an inflatable expansion and contraction forming drum matched with a semi-steel secondary forming machine, which includes a main shaft. At the front end of the main shaft, an inflatable expansion and contraction forming drum body is fixedly installed. A gas distribution disc assembly is arranged outside the main shaft. The gas distribution disc assembly includes a main gas distribution disc, a spacer, and a sealing ring. The main gas distribution disc is arranged outside the main shaft, the spacer is arranged outside the main shaft, and the sealing ring is arranged outside the main shaft. At the rear end of the main shaft, a main pulley is fixedly installed. A connecting head is inserted into the interior of the main shaft, a fixing block is fixedly connected to the connecting head, and a limiting mechanism is arranged on the main pulley. The present invention relates to an inflatable expansion and contraction forming drum matched with a semi-steel secondary forming machine, which has the characteristics of facilitating the installation of the connecting head, reducing the length of the main machine, reducing the weight of the main machine, and reducing the manufacturing cost of the first-stage main machine.

Description

Technical Field

[0001] The present invention belongs to the technical field of semi-steel secondary forming machines, and specifically relates to an air-inflated expansion and contraction forming drum matched with a semi-steel secondary forming machine. Background Art

[0002] A tire is a circular elastic rubber product that rolls on the ground and is assembled on various vehicles or machinery. It is usually installed on a metal rim, can support the vehicle body, buffer external impacts, achieve contact with the road surface, and ensure the driving performance of the vehicle. Tires are often used under complex and harsh conditions. When driving, they are subjected to various deformations, loads, forces, and high and low temperatures. Therefore, they must have high load-bearing performance, traction performance, and buffering performance. At the same time, they are also required to have high wear resistance and flex resistance, as well as low rolling resistance and heat generation. When manufacturing tires, a semi-steel secondary forming machine is needed. Currently, for semi-steel secondary forming machines, the forming drums of the first-stage main machines generally use mechanical expansion and contraction type forming drums. The push-pull rod installed inside the main shaft of the forming machine is connected to the expansion and contraction drive shaft of the forming drum, and the push-pull rod is driven to move forward and backward by the cylinder assembly installed at the rear side of the main shaft to achieve the expansion and contraction of the forming drum. This structure is relatively complex, has more components, occupies a large space, increases the overall weight and size of the main machine, has a high manufacturing cost, and is too inconvenient when connecting the connector to the main shaft. Therefore, it is necessary to design an air-inflated expansion and contraction forming drum matched with a semi-steel secondary forming machine. Summary of the Invention

[0003] The purpose of the present invention is to provide an air-inflated expansion and contraction forming drum matched with a semi-steel secondary forming machine to solve the problems mentioned in the above background art.

[0004] To solve the above problems, the present invention provides the following technical solution for an air-inflated expansion and contraction forming drum matched with a semi-steel secondary forming machine:

[0005] The air-inflated expansion and contraction forming drum matched with a semi-steel secondary forming machine includes a main shaft. An air-inflated expansion and contraction forming drum body is fixedly installed at the front end of the main shaft. A gas distribution disc assembly is arranged outside the main shaft. The gas distribution disc assembly includes a main gas distribution disc, a spacer, and a sealing ring. The main gas distribution disc is arranged outside the main shaft. The spacer is arranged outside the main shaft. The sealing ring is arranged outside the main shaft. A main belt pulley is fixedly installed at the rear end of the main shaft. A connector is inserted into the main shaft. A fixing block is fixedly connected to the connector. A limiting mechanism is arranged on the main belt pulley.

[0006] Preferably, the spacer contacts the main gas distribution disc and the sealing ring. Through the design of the spacer, the main gas distribution disc can be separated from the sealing ring.

[0007] Preferably, the limiting mechanism includes a mounting plate, a pulling plate, a sliding rod, a limiting ring, a spring, a limiting sleeve, a sliding block, a ring groove, and a clamping block. The mounting plate is fixedly connected to the main pulley. The pulling plate is in contact with the mounting plate. The sliding rod is fixedly connected to the pulling plate. The limiting ring is fixedly connected to the mounting plate. The limiting ring is in contact with the pulling plate. A spring is arranged on the outer side of the sliding rod. The limiting sleeve is slidably connected to the inner side of the mounting plate. The sliding block is fixedly connected to the limiting sleeve. The sliding block is movably connected to the inside of the mounting plate. The ring groove is formed in the sliding block. The clamping block is fixedly connected to the pulling plate. Through the design of the limiting mechanism, the connecting head can be limited.

[0008] Preferably, the sliding rod is slidably connected to the inside of the limiting ring, and the sliding rod is slidably connected to the inside of the mounting plate. Through the design of the sliding rod, the spring can drive the pulling plate to move.

[0009] Preferably, one end of the spring is in contact with the limiting ring, and the other end of the spring is in contact with the sliding rod. Through the design of the spring, the pulling plate can be driven to move.

[0010] Preferably, the limiting sleeve is in contact with the main pulley, and the limiting sleeve and the fixing block are connected by threads. Through the design of the limiting sleeve, the connecting head can be limited.

[0011] Preferably, the clamping block is slidably connected to the inside of the mounting plate, and the clamping block is slidably connected to the inside of the ring groove. Through the design of the clamping block, the sliding block can be limited.

[0012] Preferably, the fixing block is in contact with the main shaft and the main pulley. Through the design of the fixing block, the connecting head can be limited in cooperation with the limiting sleeve.

[0013] The beneficial effects of the present invention are as follows: The present invention relates to a matching inflatable expansion and contraction forming drum for a semi-steel secondary forming machine, which has the characteristics of facilitating the installation of the connecting head, reducing the length of the main machine, reducing the weight of the main machine, and reducing the manufacturing cost of the first-stage main machine. In specific use, compared with the traditional semi-steel secondary forming machine, the matching inflatable expansion and contraction forming drum of the present semi-steel secondary forming machine has the following two beneficial effects:

[0014] First, by redesigning the main shaft mechanism of the first-stage forming main machine, including adding internal air holes to the first-stage main machine spindle, designing a rotating inflatable air distribution disc and a sealing component, the requirements for rotating inflation of the forming drum are met, and the problems of the existing semi-steel secondary forming machine, such as relatively complex structure, more components, large occupied space, and at the same time, the overall weight and size of the main machine are increased, and the manufacturing cost is high, are solved.

[0015] Secondly, by setting components such as a finite position sleeve and a fixed block, when the connecting head is inserted into the main shaft, by rotating the limit sleeve, the connection between the limit sleeve and the connecting head can be made more stable, and the connection between the connecting head and the main shaft can be made more convenient. Brief Description of the Drawings

[0016] For ease of explanation, the present invention will be described in detail by the following specific embodiments and accompanying drawings.

[0017] Figure 1 Schematic diagram of the overall structure of the present invention;

[0018] Figure 2 Of the present invention Figure 1 Schematic diagram of the partial structure;

[0019] Figure 3 Of the present invention Figure 1 Enlarged view of the structure of part A in;

[0020] Figure 4 Of the present invention Figure 2 Schematic diagram of the main air distribution plate in;

[0021] Figure 5 Of the present invention Figure 2 Schematic diagram of the spacer in;

[0022] Figure 6 Of the present invention Figure 2 Schematic diagram of the sealing ring in.

[0023] In the figure: 1, main shaft; 11, inflatable expansion and forming drum body; 2, air distribution plate assembly; 21, main air distribution plate; 22, spacer; 23, sealing ring; 3, main pulley; 4, connecting head; 41, fixed block; 5, limiting mechanism; 51, mounting plate; 52, pulling plate; 53, sliding rod; 54, limiting ring; 55, spring; 56, limit sleeve; 57, slider; 58, annular groove; 59, clamping block. Detailed Description of the Preferred Embodiments

[0024] As Figures 1-6 shown, the following technical solutions are adopted in this specific embodiment:

[0025] Example:

[0026] The semi-steel secondary forming machine is matched with an inflatable expansion and contraction forming drum, including a main shaft 1. At the front end of the main shaft 1, an inflatable expansion and contraction forming drum body 11 is fixedly installed. A gas distribution plate assembly 2 is arranged outside the main shaft 1. The gas distribution plate assembly 2 includes a main gas distribution plate 21, a spacer 22, and a sealing ring 23. The main gas distribution plate 21 is arranged outside the main shaft 1, the spacer 22 is arranged outside the main shaft 1, and the sealing ring 23 is arranged outside the main shaft 1. A main belt pulley 3 is fixedly installed at the rear end of the main shaft 1. A connecting head 4 is inserted into the main shaft 1. A fixing block 41 is fixedly connected to the connecting head 4. A limiting mechanism 5 is arranged on the main belt pulley 3.

[0027] Among them, the spacer 22 contacts the main gas distribution plate 21, and the spacer 22 contacts the sealing ring 23. Through the design of the spacer 22, the main gas distribution plate 21 can be separated from the sealing ring 23.

[0028] Among them, the limiting mechanism 5 includes a mounting plate 51, a pulling plate 52, a sliding rod 53, a limiting ring 54, a spring 55, a limiting sleeve 56, a slider 57, a ring groove 58, and a clamping block 59. The mounting plate 51 is fixedly connected to the main belt pulley 3. The pulling plate 52 contacts the mounting plate 51. The sliding rod 53 is fixedly connected to the pulling plate 52. The limiting ring 54 is fixedly connected to the mounting plate 51. The limiting ring 54 contacts the pulling plate 52. The spring 55 is arranged outside the sliding rod 53. The limiting sleeve 56 is slidably connected to the inner side of the mounting plate 51. The slider 57 is fixedly connected to the limiting sleeve 56. The slider 57 is movably connected to the inside of the mounting plate 51. The ring groove 58 is formed in the slider 57. The clamping block 59 is fixedly connected to the pulling plate 52. Through the design of the limiting mechanism 5, the connecting head 4 can be limited.

[0029] Among them, the sliding rod 53 is slidably connected to the inside of the limiting ring 54, and the sliding rod 53 is slidably connected to the inside of the mounting plate 51. Through the design of the sliding rod 53, the spring 55 can drive the pulling plate 52 to move.

[0030] Among them, one end of the spring 55 contacts the limiting ring 54, and the other end of the spring 55 contacts the sliding rod 53. Through the design of the spring 55, the pulling plate 52 can be driven to move.

[0031] Among them, the limiting sleeve 56 contacts the main belt pulley 3, and the limiting sleeve 56 is threadedly connected to the fixing block 41. Through the design of the limiting sleeve 56, the connecting head 4 can be limited.

[0032] Among them, the clamping block 59 is slidably connected to the inside of the mounting plate 51, and the clamping block 59 is slidably connected to the inside of the ring groove 58. Through the design of the clamping block 59, the slider 57 can be limited.

[0033] Among them, the fixed block 41 contacts the main shaft 1, and the fixed block 41 contacts the main pulley 3. Through the design of the fixed block 41, the connecting head 4 can be limited by cooperating with the limiting sleeve 56.

[0034] The usage state of the present invention is as follows: during use, the connecting head 4 is inserted into the main shaft 1, and then the limiting sleeve 56 is rotated, so that the limiting sleeve 56 drives the slider 57 to rotate in the mounting plate 51, causing a threaded movement between the limiting sleeve 56 and the fixed block 41, thereby limiting the fixed block 41 by the limiting sleeve 56, that is, the connecting head 4 can be limited by the limiting sleeve 56, so that the connection between the connecting head 4 and the main shaft 1 can be kept stable and the connection between the connecting head 4 and the main shaft 1 is more convenient. By installing the inflatable expansion and contraction forming drum body 11 at the front end of the main shaft 1 and installing the main pulley 3 at the rear end of the main shaft 1 and connecting it to the motor, rotational power is provided for the main shaft 1 and the inflatable expansion and contraction forming drum body 11. The air distribution disc assembly 2 is installed and fixed on the outside of the main shaft 1, and a sealing ring 23 is installed inside the air distribution disc assembly 2. The air source enters the main air distribution disc 21 through the lower interface of the main air distribution disc 21, and then enters the forming drum expansion and contraction cylinder through the air holes inside the main shaft 1 and the inflatable expansion and contraction forming drum body 11, so as to provide the expansion and contraction air source power for the inflatable expansion and contraction forming drum body 11 during the rotation of the main shaft 1.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

Claims

1. The semi-steel secondary forming machine is matched with an inflatable expansion and contraction forming drum, including a main shaft (1), and is characterized in that: The front end of the main shaft (1) is fixedly installed with an inflatable expansion and forming drum body (11). A gas distribution disc assembly (2) is arranged outside the main shaft (1). The gas distribution disc assembly (2) includes a main gas distribution disc (21), a spacer (22), and a sealing ring (23). The main gas distribution disc (21) is arranged outside the main shaft (1). The spacer (22) is arranged outside the main shaft (1). The sealing ring (23) is arranged outside the main shaft (1). The rear end of the main shaft (1) is fixedly installed with a main pulley (3). A connecting head (4) is inserted into the inside of the main shaft (1). A fixing block (41) is fixedly connected to the connecting head (4). A limiting mechanism (5) is arranged on the main pulley (3); The spacer (22) is in contact with the main gas distribution disc (21), and the spacer (22) is in contact with the sealing ring (23); The limiting mechanism (5) includes a mounting plate (51), a pulling plate (52), a sliding rod (53), a limiting ring (54), a spring (55), a limiting sleeve (56), a slider (57), a ring groove (58), and a clamping block (59). The mounting plate (51) is fixedly connected to the main pulley (3). The pulling plate (52) is in contact with the mounting plate (51). The sliding rod (53) is fixedly connected to the pulling plate (52). The limiting ring (54) is fixedly connected to the mounting plate (51). The limiting ring (54) is in contact with the pulling plate (52). The spring (55) is arranged outside the sliding rod (53). The limiting sleeve (56) is slidably connected to the inner side of the mounting plate (51). The slider (57) is fixedly connected to the limiting sleeve (56). The slider (57) is movably connected to the inside of the mounting plate (51). The ring groove (58) is formed in the slider (57). The clamping block (59) is fixedly connected to the pulling plate (52).

2. The inflatable expansion and contraction forming drum matched with the semi-steel secondary forming machine according to claim 1, characterized in that: The sliding rod (53) is slidably connected to the inside of the limiting ring (54), and the sliding rod (53) is slidably connected to the inside of the mounting plate (51).

3. The inflatable expansion and contraction forming drum matched with the semi-steel secondary forming machine according to claim 1, characterized in that: One end of the spring (55) is in contact with the limiting ring (54), and the other end of the spring (55) is in contact with the sliding rod (53).

4. The semi-steel secondary forming machine-matched inflatable expansion and contraction forming drum according to claim 1, characterized in that: The limiting sleeve (56) is in contact with the main pulley (3), and the limiting sleeve (56) is threadedly connected to the fixing block (41).

5. The inflatable expansion and contraction forming drum matched with the semi-steel secondary forming machine according to claim 1, characterized in that: The clamping block (59) is slidably connected to the inside of the mounting plate (51), and the clamping block (59) is slidably connected to the inside of the ring groove (58).

6. The inflatable expansion and contraction forming drum matched with the semi-steel secondary forming machine according to claim 1, characterized in that: The fixing block (41) is in contact with the main shaft (1), and the fixing block (41) is in contact with the main pulley (3).

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