Quantitative air injection device for tire forming

Abstract

The utility model relates to the technical field of tire forming, in particular to a quantitative air injection device for tire forming, which is convenient for adjusting the amount of added air and improving the practicability and convenience. Comprising a gas storage mechanism; the device further comprises a gas filling mechanism, a first pneumatic mechanism, a gas injection mechanism, a second driving mechanism and an adjusting mechanism, the gas filling mechanism is installed on the side wall of the gas storage mechanism, the first pneumatic mechanism is installed on the gas filling mechanism, the gas injection mechanism is installed on the side wall of the gas storage mechanism, and the second driving mechanism is installed on the gas injection mechanism. The adjusting mechanism is installed at the top end of the gas injection mechanism, gas is conveniently pressurized and stored through the gas storage mechanism, the first pneumatic mechanism drives the gas adding mechanism to add external air into the gas storage mechanism, and the second driving mechanism drives the gas injection mechanism to add gas into a tire mold. And the adjusting mechanism is convenient for adjusting the gas injection amount of the gas injection mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of tire molding, in particular to a quantitative air injection device for tire molding. Background Art

[0002] During tire molding, an appropriate amount of air needs to be injected into the tire mold to assist the tire molding and vulcanization process. The air injection mechanism is usually installed on the tire molding machine or vulcanizer and is closely connected to the mold to ensure precise control of the air injection amount and time.

[0003] Existing tire molding technologies, such as the Chinese utility model patent with application number CN2023104354610, include a workbench, a base plate, a capsule, a top plate, a pressure plate, a hydraulic push rod, an air cavity, a pressurizing device, an air pump, an air filling pipe, and air holes. During the movement of the tire toward the grooves set on the inner side of the mold, the air between the tire and the mold can be discharged, effectively avoiding the situation where air is trapped between the mold and the tire, thereby reducing the occurrence of poor molding such as dents on the tire surface and improving the yield rate of the tire.

[0004] However, the existing technology is not convenient for adjusting and controlling the amount of air injected, which reduces its practicality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a quantitative air injection device for tire molding, which is convenient for adjusting the amount of added gas and improves practicality and convenience.

[0006] The utility model discloses a quantitative air injection device for tire molding, comprising an air storage mechanism; an air filling mechanism, a first pneumatic mechanism, an air injection mechanism, a second driving mechanism and an adjusting mechanism, wherein the air filling mechanism is installed on the side wall of the air storage mechanism, the first pneumatic mechanism is installed on the air filling mechanism, the air injection mechanism is installed on the side wall of the air storage mechanism, the second driving mechanism is installed on the air injection mechanism, and the adjusting mechanism is installed on the top of the air injection mechanism. The air storage mechanism is used to pressurize and store gas, the first pneumatic mechanism drives the air filling mechanism to add external air into the air storage mechanism, the second driving mechanism drives the air injection mechanism to add air to the tire mold, and the adjusting mechanism is used to adjust the amount of gas injected into the air injection mechanism; the air storage mechanism is used to pressurize and store gas, the first pneumatic mechanism drives the air filling mechanism to add external air into the air storage mechanism, the second driving mechanism drives the air injection mechanism to add air to the tire mold, and the adjusting mechanism is used to adjust the amount of gas injected into the air injection mechanism, thereby improving practicality.

[0007] Preferably, the gas storage mechanism comprises a pressure tank and a first pressure sensor, the first pressure sensor is installed in the pressure tank; the gas is stored by pressurization through the pressure tank, and the gas pressure in the pressure tank is detected through the first pressure sensor.

[0008] Preferably, the gas injection mechanism comprises a gas injection pipe, a gas injection cylinder, a first one-way valve, a first piston, an air inlet pipe and a second one-way valve, the gas injection pipe is connected with the pressure tank through the gas injection cylinder, the first one-way valve is installed on the gas injection cylinder, the first piston is slidingly installed in the gas injection pipe, the air inlet pipe is installed on the side wall of the gas injection pipe, and the second one-way valve is installed on the air inlet pipe; the first piston is slidingly driven in the gas injection pipe by opening the first pneumatic mechanism, when the first piston slides away from the pressure tank, the second one-way valve opens and the first one-way valve closes, and then the air outside is sucked into the gas injection pipe, when the first piston slides toward the pressure tank, the second one-way valve closes and the first one-way valve opens, and then the gas in the gas injection pipe is added into the pressure tank.

[0009] Preferably, the first pneumatic mechanism comprises a mounting plate, a pull rod, a rotating disc, an eccentric shaft, a connecting rod and a first driving motor, the mounting plate is installed on the side wall of the gas injection pipe, the pull rod is installed on the first piston, the pull rod is slidingly installed on the gas injection pipe, the rotating disc is rotationally installed on the mounting plate, the eccentric shaft is eccentrically installed on the rotating disc, one end of the connecting rod is rotationally installed on the eccentric shaft, and the other end of the connecting rod is rotationally installed on the pull rod, the first driving motor is installed at the bottom end of the mounting plate, and the output end of the first driving motor is connected with the rotating disc; the rotating disc is rotated by opening the first driving motor, then the connecting rod drives the first piston to slide in the gas injection pipe by the eccentric rotation of the eccentric shaft, when the first piston slides away from the pressure tank, the second one-way valve opens and the first one-way valve closes, and then the air outside is sucked into the gas injection pipe, when the first piston slides toward the pressure tank, the second one-way valve closes and the first one-way valve opens, and then the gas in the gas injection pipe is added into the pressure tank.

[0010] Preferably, the gas injection mechanism comprises a gas injection pipe, a gas injection cylinder, a first one-way valve, a first piston, an air inlet pipe and a second one-way valve, the gas injection pipe is connected with the pressure tank through the gas injection cylinder, the first one-way valve is installed on the gas injection cylinder, the first piston is slidingly installed in the gas injection pipe, the air inlet pipe is installed on the side wall of the gas injection pipe, and the second one-way valve is installed on the air inlet pipe; the first piston is slidingly driven in the gas injection pipe by opening the first pneumatic mechanism, when the first piston slides away from the pressure tank, the second one-way valve opens and the first one-way valve closes, and then the air outside is sucked into the gas injection pipe, when the first piston slides toward the pressure tank, the second one-way valve closes and the first one-way valve opens, and then the gas in the gas injection pipe is added into the pressure tank.

[0011] Preferably, the second driving mechanism comprises a lead screw, a first gear, a second driving motor and a driving gear, the lead screw is rotatably installed on the second piston, the first gear is rotatably installed on the top end of the air injection cylinder, the second driving motor is installed on the side wall of the air injection cylinder, the driving gear is installed on the output end of the second driving motor, the driving gear is engaged with the first gear, and the first gear is threadedly connected with the lead screw; by turning on the second driving motor to drive the driving gear to rotate, the first gear is driven to rotate through the engagement relationship, and the second piston is driven to slide in the air injection cylinder through the threaded connection, so that the gas in the pressure tank is added into the air injection cylinder, and then the second piston slides downward in the air injection cylinder, so that the gas is added into the tire mold.

[0012] Preferably, the adjusting mechanism comprises an adjusting frame, a top rod, a sliding plate, a sliding seat, a fixing bolt and a second pressure sensor, the adjusting frame is installed on the top end of the air injection cylinder, one end of the top rod is installed on the top end of the second piston, the top rod is slidably installed on the top end of the air injection cylinder, the sliding plate is slidably installed on the adjusting frame, the sliding plate is installed on the top end of the top rod, the sliding seat is slidably installed in the adjusting frame, the fixing bolt is installed on the sliding seat, and the second pressure sensor is installed on the bottom end of the sliding seat; when the amount of gas to be added is to be adjusted, the sliding seat is slid in the adjusting frame, and then the sliding seat is fixed through the fixing bolt, and then when the second piston slides in the air injection cylinder, the top rod pushes the sliding plate to slide in the adjusting frame, when the sliding plate contacts the second pressure sensor, the pressure is detected through the second pressure sensor, and the second pressure sensor sends an electric signal to control the second driving motor to stop rotating.

[0013] Compared with the prior art, the utility model has the advantages that: the gas storage mechanism is convenient for pressurizing and storing gas, the first pneumatic mechanism drives the gas injection mechanism to add air from the outside into the gas storage mechanism, the second driving mechanism drives the air injection mechanism to add gas to the tire mold, the adjusting mechanism is convenient for adjusting the amount of gas injected by the air injection mechanism, and the practicability is improved. ACCURACY OF DRAWINGS

[0014] Figure 1 is the first axonometric structure schematic diagram of the utility model;

[0015] Figure 2 is the second axonometric structure schematic diagram of the utility model;

[0016] Figure 3 is the third axonometric structure schematic diagram of the utility model;

[0017] Figure 4 is the fourth axonometric structure schematic diagram of the utility model;

[0018] Figure 5 is the front view cross section structure schematic diagram of the utility model;

[0019] Marked in the drawing: 01, gas storage mechanism; 11, pressure tank; 12, first pressure sensor; 02, gas filling mechanism; 21, gas filling pipe; 22, gas filling cylinder; 23, first one-way valve; 24, first piston; 25, air inlet pipe; 26, second one-way valve; 03, first pneumatic mechanism; 31, mounting plate; 32, pull rod; 33, rotary disc; 34, eccentric shaft; 35, connecting rod; 36, first drive motor; 04, gas injection mechanism; 41, gas injection cylinder; 42, second piston; 05, second drive mechanism; 51, lead screw; 52, first gear; 53, second drive motor; 54, drive gear; 06, adjusting mechanism; 61, adjusting frame; 62, jacking rod; 63, sliding plate; 64, sliding seat; 65, fixing bolt; 66, second pressure sensor. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0021] Embodiment 1

[0022] As shown in Figure 4 and Figure 5 , including gas storage mechanism 01, also including gas filling mechanism 02, first pneumatic mechanism 03, gas injection mechanism 04, second drive mechanism 05 and adjusting mechanism 06, gas filling mechanism 02 is installed on the side wall of gas storage mechanism 01, first pneumatic mechanism 03 is installed on gas filling mechanism 02, gas injection mechanism 04 is installed on the side wall of gas storage mechanism 01, second drive mechanism 05 is installed on gas injection mechanism 04, adjusting mechanism 06 is installed at the top end of gas injection mechanism 04;

[0023] Through the gas storage mechanism 01, it is convenient to pressurize and reserve the gas, the first pneumatic mechanism 03 drives the gas filling mechanism 02 to add the air outside to the gas storage mechanism 01, the second drive mechanism 05 drives the gas injection mechanism 04 to fill the tire mold, the adjusting mechanism 06 is convenient for adjusting the amount of gas injection of the gas injection mechanism 04;

[0024] The gas storage mechanism 01 includes a pressure tank 11 and a first pressure sensor 12, and the first pressure sensor 12 is installed in the pressure tank 11;

[0025] The gas filling mechanism 02 comprises a gas filling pipe 21, a gas filling cylinder 22, a first one-way valve 23, a first piston 24, an air inlet pipe 25 and a second one-way valve 26, the gas filling pipe 21 is connected with the pressure tank 11 through the gas filling cylinder 22, the first one-way valve 23 is installed on the gas filling cylinder 22, the first piston 24 is slidingly installed in the gas filling pipe 21, the air inlet pipe 25 is installed on the side wall of the gas filling pipe 21, and the second one-way valve 26 is installed on the air inlet pipe 25;

[0026] The first pneumatic mechanism 03 comprises a mounting plate 31, a pull rod 32, a rotating disc 33, an eccentric shaft 34, a connecting rod 35 and a first driving motor 36, the mounting plate 31 is installed on the side wall of the gas filling pipe 21, the pull rod 32 is installed on the first piston 24, the pull rod 32 is slidingly installed on the gas filling pipe 21, the rotating disc 33 is rotationally installed on the mounting plate 31, the eccentric shaft 34 is eccentrically installed on the rotating disc 33, one end of the connecting rod 35 is rotationally installed on the eccentric shaft 34, the other end of the connecting rod 35 is rotationally installed on the pull rod 32, and the first driving motor 36 is installed at the bottom end of the mounting plate 31, and the output end of the first driving motor 36 is connected with the rotating disc 33;

[0027] The pressure tank 11 is convenient for pressurizing and storing gas, the first pressure sensor 12 is convenient for detecting the air pressure in the pressure tank 11, the first driving motor 36 is turned on to drive the rotating disc 33 to rotate, then the eccentric shaft 34 is driven to rotate eccentrically to drive the connecting rod 35 to drive the first piston 24 to slide in the gas filling pipe 21, when the first piston 24 slides away from the pressure tank 11, the second one-way valve 26 is opened and the first one-way valve 23 is closed, and then the air outside is sucked into the gas filling pipe 21, when the first piston 24 slides toward the pressure tank 11, the second one-way valve 26 is closed and the first one-way valve 23 is opened, and then the gas in the gas filling pipe 21 is added into the pressure tank 11, the second driving mechanism 05 drives the gas injection mechanism 04 to fill the tire mold with gas, and the adjusting mechanism 06 is convenient for adjusting the amount of gas injected by the gas injection mechanism 04, thereby improving the practicability.

[0028] Embodiment 2

[0029] As shown in Figure 2 , Figure 3 and Figure 5 , the device comprises a gas storage mechanism 01, a gas filling mechanism 02, a first pneumatic mechanism 03, a gas injection mechanism 04, a second driving mechanism 05 and an adjusting mechanism 06, the gas filling mechanism 02 is installed on the side wall of the gas storage mechanism 01, the first pneumatic mechanism 03 is installed on the gas filling mechanism 02, the gas injection mechanism 04 is installed on the side wall of the gas storage mechanism 01, the second driving mechanism 05 is installed on the gas injection mechanism 04, and the adjusting mechanism 06 is installed at the top end of the gas injection mechanism 04;

[0030] The gas is reserved by the gas storage mechanism 01, the first pneumatic mechanism 03 drives the air adding mechanism 02 to add the air outside into the gas storage mechanism 01, the second driving mechanism 05 drives the air injection mechanism 04 to add the air to the tire mold, and the adjusting mechanism 06 adjusts the amount of the air injected by the air injection mechanism 04.

[0031] The air injection mechanism 04 comprises an air injection cylinder 41 and a second piston 42, the air injection cylinder 41 is connected with the pressure tank 11 through a pipeline, a one-way valve is arranged on the pipeline, and the second piston 42 is slidingly installed in the air injection cylinder 41.

[0032] The second driving mechanism 05 comprises a lead screw 51, a first gear 52, a second driving motor 53 and a driving gear 54, the lead screw 51 is rotationally installed on the second piston 42, the first gear 52 is rotationally installed at the top end of the air injection cylinder 41, the second driving motor 53 is installed on the side wall of the air injection cylinder 41, the driving gear 54 is installed on the output end of the second driving motor 53, the driving gear 54 is engaged with the first gear 52, and the first gear 52 is threadedly connected with the lead screw 51.

[0033] The adjusting mechanism 06 comprises an adjusting frame 61, a top rod 62, a sliding plate 63, a sliding seat 64, a fixing bolt 65 and a second pressure sensor 66, the adjusting frame 61 is installed at the top end of the air injection cylinder 41, one end of the top rod 62 is installed at the top end of the second piston 42, the top rod 62 is slidingly installed at the top end of the air injection cylinder 41, the sliding plate 63 is slidingly installed on the adjusting frame 61, the sliding plate 63 is installed at the top end of the top rod 62, the sliding seat 64 is slidingly installed in the adjusting frame 61, the fixing bolt 65 is installed on the sliding seat 64, and the second pressure sensor 66 is installed at the bottom end of the sliding seat 64.

[0034] The gas is reserved by the gas storage mechanism 01, the first pneumatic mechanism 03 drives the air adding mechanism 02 to add the air outside into the gas storage mechanism 01, through the opening of the second driving motor 53 to drive the driving gear 54 to rotate, then through the engagement relationship to drive the first gear 52 to rotate, then through the threaded relationship to drive the second piston 42 to slide in the air injection cylinder 41, and then the gas in the pressure tank 11 is added into the air injection cylinder 41, and then the second piston 42 slides downward in the air injection cylinder 41, and then the gas is added into the tire mold, when the amount of the air added is to be adjusted, the sliding seat 64 is slid in the adjusting frame 61, then the sliding seat 64 is fixed through the fixing bolt 65, then when the second piston 42 slides in the air injection cylinder 41, the top rod 62 pushes the sliding plate 63 to slide in the adjusting frame 61, when the sliding plate 63 contacts the second pressure sensor 66, the pressure is detected through the second pressure sensor 66, and the second pressure sensor 66 sends an electric signal to control the second driving motor 53 to stop rotating.

[0035] As Figures 1 to 5As shown, the quantitative air injection device for tire forming, when working, the pressure tank 11 is convenient for pressurizing and reserving the gas, the first pressure sensor 12 is convenient for detecting the gas pressure in the pressure tank 11, the first driving motor 36 is driven to rotate the rotating disc 33, then the eccentric shaft 34 is driven to rotate the connecting rod 35 to drive the first piston 24 to slide in the gas filling pipe 21, when the first piston 24 slides away from the pressure tank 11, the second one-way valve 26 opens the first one-way valve 23 to close, and then the air outside is sucked into the gas filling pipe 21, when the first piston 24 slides to the pressure tank 11, the second one-way valve 26 is closed, the first one-way valve 23 is opened, and then the gas in the gas filling pipe 21 is added to the pressure tank 11, the second driving motor 53 is driven to rotate the driving gear 54, then the first gear 52 is driven to rotate through the meshing relationship, then the second piston 42 is driven to slide in the air injection cylinder 41 through the threaded relationship, and then the gas in the pressure tank 11 is added to the air injection cylinder 41, then the second piston 42 slides downward in the air injection cylinder 41, and then the gas is added to the tire mold, when the amount of gas to be added is adjusted, the sliding seat 64 is slid in the adjusting frame 61, then the sliding seat 64 is fixed through the fixing bolt 65, then when the second piston 42 slides in the air injection cylinder 41, the top rod 62 pushes the sliding plate 63 to slide in the adjusting frame 61, when the sliding plate 63 contacts the second pressure sensor 66, the pressure is detected through the second pressure sensor 66, and the second pressure sensor 66 sends an electric signal to control the second driving motor 53 to stop rotating.

[0036] The first pressure sensor 12, the first one-way valve 23, the second one-way valve 26, the first driving motor 36, the second driving motor 53 and the second pressure sensor 66 are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the technical personnel in the field paying creative labor.

[0037] The main function realized by the utility model is that the amount of added gas can be adjusted in the tire forming process, and the practicality and convenience are improved.

[0038] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a plurality of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A quantitative air injection device for tire molding, comprising an air storage mechanism (01); characterized in that: The device further comprises an air filling mechanism (02), a first pneumatic mechanism (03), an air injection mechanism (04), a second driving mechanism (05) and an adjusting mechanism (06), wherein the air filling mechanism (02) is mounted on the side wall of the air storage mechanism (01), the first pneumatic mechanism (03) is mounted on the air filling mechanism (02), the air injection mechanism (04) is mounted on the side wall of the air storage mechanism (01), the second driving mechanism (05) is mounted on the air injection mechanism (04), and the adjusting mechanism (06) is mounted on the top of the air injection mechanism (04); The gas storage mechanism (01) is convenient for pressurizing and storing gas; the first pneumatic mechanism (03) drives the gas filling mechanism (02) to add external air into the gas storage mechanism (01); the second driving mechanism (05) drives the gas injection mechanism (04) to add gas to the tire mold; and the regulating mechanism (06) is convenient for regulating the amount of gas injected into the gas injection mechanism (04).

2. A quantitative air injection device for tire building according to claim 1, characterized in that: The gas storage mechanism (01) comprises a pressure tank (11) and a first pressure sensor (12), wherein the first pressure sensor (12) is installed in the pressure tank (11).

3. A quantitative air injection device for tire building according to claim 2, characterized in that: The gas filling mechanism (02) comprises a gas filling pipe (21), a gas filling cylinder (22), a first one-way valve (23), a first piston (24), an air intake pipe (25) and a second one-way valve (26); the gas filling pipe (21) is connected to the pressure tank (11) through the gas filling cylinder (22); the first one-way valve (23) is installed on the gas filling cylinder (22); the first piston (24) is slidably installed in the gas filling pipe (21); the air intake pipe (25) is installed on the side wall of the gas filling pipe (21); and the second one-way valve (26) is installed on the air intake pipe (25).

4. A quantitative air injection device for tire building according to claim 3, characterized in that: The first pneumatic mechanism (03) includes a mounting plate (31), a pull rod (32), a turntable (33), an eccentric shaft (34), a connecting rod (35) and a first drive motor (36). The mounting plate (31) is mounted on the side wall of the gas filling pipe (21), the pull rod (32) is mounted on the first piston (24), the pull rod (32) is slidably mounted on the gas filling pipe (21), the turntable (33) is rotatably mounted on the mounting plate (31), the eccentric shaft (34) is eccentrically mounted on the turntable (33), one end of the connecting rod (35) is rotatably mounted on the eccentric shaft (34), and the other end of the connecting rod (35) is rotatably mounted on the pull rod (32). The first drive motor (36) is mounted on the bottom end of the mounting plate (31), and the output end of the first drive motor (36) is connected to the turntable (33).

5. The quantitative air injection device for tire building according to claim 2, characterized in that: The gas injection mechanism (04) comprises a gas injection cylinder (41) and a second piston (42). The gas injection cylinder (41) is connected to the pressure tank (11) through a pipeline, a one-way valve is provided on the pipeline, and the second piston (42) is slidably installed in the gas injection cylinder (41).

6. A quantitative air injection device for tire building according to claim 5, characterized in that: The second driving mechanism (05) includes a lead screw (51), a first gear (52), a second driving motor (53) and a driving gear (54), wherein the lead screw (51) is rotatably mounted on the second piston (42), the first gear (52) is rotatably mounted on the top end of the gas injection cylinder (41), the second driving motor (53) is mounted on the side wall of the gas injection cylinder (41), and the driving gear (54) is mounted on the output end of the second driving motor (53), the driving gear (54) is meshed with the first gear (52), and the first gear (52) is threadedly matched with the lead screw (51).

7. A quantitative air injection device for tire building according to claim 5, characterized in that: The regulating mechanism (06) comprises a regulating frame (61), a push rod (62), a sliding plate (63), a sliding seat (64), a fixing bolt (65) and a second pressure sensor (66), wherein the regulating frame (61) is mounted on the top end of the gas injection cylinder (41), one end of the push rod (62) is mounted on the top end of the second piston (42), the push rod (62) is slidably mounted on the top end of the gas injection cylinder (41), the sliding plate (63) is slidably mounted on the regulating frame (61), the sliding plate (63) is mounted on the top end of the push rod (62), the sliding seat (64) is slidably mounted in the regulating frame (61), the fixing bolt (65) is mounted on the sliding seat (64), and the second pressure sensor (66) is mounted on the bottom end of the sliding seat (64).

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