Automatic tire changer for assembling solid tire

Abstract

The utility model discloses an automatic tire changer for assembling a solid tire, which comprises an air cylinder mounted on an air cylinder seat, a tire press-in driver positioned below the air cylinder and connected with the air cylinder, and a motor hub base positioned below the tire press-in driver, and each fanning strip is matched with an air cylinder which acts independently. A motor hub is positioned on the motor hub base, and a tire is placed above the periphery of the motor hub. And the plurality of fanning strips are driven by a matched cylinder to sequentially descend one by one in the circumferential direction of the tire, act on the tire and press down the tire in sections, so that the tire is matched with the periphery of the motor hub, and the matching of the tire and the motor hub is completed. The device is simple in structure, convenient to use, high in assembly efficiency, high in assembly achievement rate, safe, reliable, capable of achieving one-key operation and simple in action.

Description

Technical Field

[0001] The utility model relates to the field of electric bicycles, in particular to the assembly of electric bicycle tires. Background Art

[0002] The existing manual installation method of solid core tires for electric vehicles on the market has defects such as complex operation, many steps, tedious process, low efficiency, unsafe operation and low product achievement rate. Utility Model Content

[0003] The technical problem solved by the utility model is that the manual tire changing working method in the prior art has many steps, is cumbersome, has low efficiency and is unsafe to operate.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: an automatic tire changing machine for solid tire assembly, including a cylinder installed on a cylinder seat, a tire pressing driver located below the cylinder and connected to the cylinder, and a motor hub base located below the tire pressing driver. The tire pressing driver is disc-shaped and is composed of several sector-shaped pieces, and each sector-shaped piece is equipped with an independently acting cylinder.

[0005] The motor hub is positioned on the motor hub base, and the tire is placed above the motor hub's periphery. Driven by a matching cylinder, several sector-shaped blades descend sequentially along the tire's circumference, acting on the tire, pressing it down in sections until it fits around the motor hub, completing the fit between the tire and the motor hub.

[0006] The cylinder consists of three upper cylinders and three lower cylinders. The three upper cylinders are mounted on an upper cylinder base, and the three lower cylinders are mounted on a lower cylinder base. The upper and lower cylinder bases are connected by upper and lower cylinder base connecting posts. The upper cylinders are connected to the corresponding segments via long extension push rods of the upper cylinder pistons, while the lower cylinders are connected to the corresponding segments via short extension push rods of the lower cylinder pistons. This totals to six segments, which together form a disc-shaped tire pressing actuator.

[0007] The lower cylinder seat is equipped with a linear guide bearing, which houses a moving guide pin. These pins are connected to the sector. Optionally, each sector can be connected to two moving guide pins to guide the sector's movement.

[0008] A tire pressing pad is provided at the bottom of the sector piece, and the tire pressing pad is in soft contact with the tire to prevent the tire and the wheel hub from being damaged.

[0009] The motor hub base is arranged on the whole machine base, and a fixed guide limiter is provided on the whole machine base; a fixing column connecting the lower cylinder base and the whole machine base is provided between the whole machine base and the lower cylinder base.

[0010] The lower cylinder seat is equipped with a wheel hub positioning and compression cylinder, which is capable of downwardly pressing the tire alignment disc positioned on the motor hub. The motor hub is positioned on the motor hub base, the tire alignment disc is positioned on the motor hub, and the tire is mounted on the alignment disc, positioned above the periphery of the motor hub. The wheel hub positioning and compression cylinder then extends, and the piston rod of the wheel hub positioning and compression cylinder compresses the alignment disc. Subsequently, driven by the associated cylinder, several sector-shaped segments sequentially descend along the circumference of the tire, acting on the tire. Guided by the alignment disc, the tire is pressed downward in sections, engaging the periphery of the wheel hub, completing the tire-to-wheel engagement.

[0011] The utility model solves the technical problem of difficult assembly of solid tires for electric bicycles and fills the market gap. The utility model has a simple structure, is easy to use, has high assembly efficiency, high assembly completion rate, is safe and reliable, and can be operated with one button and in one go. The tire changing machine of the utility model only takes about 40 seconds. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described below with reference to the accompanying drawings:

[0013] Figure 1 Schematic diagram of an automatic tire changer for solid tires;

[0014] Figure 2 This is a schematic diagram of an automatic tire changer for solid tires as viewed from the front;

[0015] Figure 3 Schematic diagram of another perspective of the automatic tire changer for solid tires;

[0016] Figure 4 Exploded view of an automatic tire changer for solid tires;

[0017] Figure 5 Schematic diagram of the electronic control part of the automatic tire changer for solid tires;

[0018] Figure 6 Schematic diagram of the power supply for the electronic control part of the automatic tire changer for solid tires;

[0019] Figure 7 Flowchart of assembling solid tires with an automatic tire changer;

[0020] Figure 8 This is a flowchart of the first section of the partitioned pressing of solid core tires;

[0021] Figure 9 This is a flow chart for the second section of zoned pressing of solid core tires;

[0022] Explanation of symbols in the figure:

[0023] 10. Tire pressing driver; 11. First sector; 12. Second sector; 13. Third sector; 14. Fourth sector; 15. Fifth sector; 16. Sixth sector; 17. Tire pressing pad; 18. Guide limit column locking sleeve;

[0024] 20. Motor hub base; 21. Complete machine base; 22. Tire guide plate; 23. Tire press compartment outer protection plate; 24. Fixed guide limiter;

[0025] 30, upper cylinder seat; 32, upper cylinder two; 34, upper cylinder four; 36, upper cylinder six;

[0026] 40. Lower cylinder seat; 41. Lower cylinder 1; 43. Lower cylinder 3; 45. Lower cylinder 5; 46. Wheel hub positioning and pressing cylinder;

[0027] 51. Connecting and fixing columns for the upper and lower cylinder seats; 52. Long extension push rod for the upper cylinder piston; 53. Short extension push rod for the lower cylinder piston; 54. Linear sliding bearing for the guide limit column; 55. Motion guide limit column; 56. Connecting and fixing columns for the entire machine base;

[0028] 60. PLC electric control box; 61. Double control start button switch;

[0029] 70. Tire; 71. Motor hub. DETAILED DESCRIPTION

[0030] Combine Figures 1 to 4 The automatic tire changing machine for solid tire assembly includes a cylinder installed on a cylinder seat, a tire pressing driver 10 located below the cylinder and connected to the cylinder, and a motor hub base 20 located below the tire pressing driver. The tire pressing driver is disc-shaped and is composed of several sector-shaped pieces. Each sector-shaped piece is equipped with an independently acting cylinder.

[0031] The cylinders consist of three upper cylinders and three lower cylinders. The three upper cylinders are mounted on an upper cylinder base 30, and the three lower cylinders are mounted on a lower cylinder base 40. The upper and lower cylinder bases are connected by upper and lower cylinder base connecting posts 51. The upper cylinders are connected to their corresponding segments via long extension push rods 52 of the upper cylinder pistons, while the lower cylinders are connected to their corresponding segments via short extension push rods 53 of the lower cylinder pistons. Thus, there are six segments, which together form a disc-shaped tire pressing actuator. The three upper cylinders are upper cylinder six 36, upper cylinder four 34, and upper cylinder two 32; the three lower cylinders are lower cylinder five 45, lower cylinder three 43, and lower cylinder one 41. The six segments are respectively the first segment 11, the second segment 12, the third segment 13, the fourth segment 14, the fifth segment 15, and the sixth segment 16. The first sector piece is connected to lower cylinder one, the second sector piece is connected to upper cylinder two, the third sector piece is connected to lower cylinder three, the fourth sector piece is connected to upper cylinder four, the fifth sector piece is connected to lower cylinder five, and the sixth sector piece is connected to upper cylinder six.

[0032] The lower cylinder seat 40 is provided with a guide limit column linear sliding bearing 54, which is provided with a motion guide limit column 55 in the guide limit column linear sliding bearing. The motion guide limit column is connected to the sector. Each sector is connected to two motion guide limit columns 55 to guide the lifting and lowering of the sector.

[0033] A tire pressing pad 17 is provided at the bottom of the sector piece, and the tire pressing pad is in soft contact with the tire to prevent the tire and the motor hub 71 from being damaged.

[0034] The motor hub base 20 is arranged on the complete machine base 21 , and a fixed guide limiter 24 is provided on the complete machine base; a fixing column 56 connecting the lower cylinder base and the complete machine base is provided between the complete machine base and the lower cylinder base 40 .

[0035] A wheel hub positioning and pressing cylinder 46 is provided on the lower cylinder seat 40 , and the wheel hub positioning and pressing cylinder can press downward the tire guide disc 22 positioned on the motor hub 71 .

[0036] In actual operation, refer to Figure 7, the motor hub 71 is positioned on the motor hub base 20, the tire guide disc 22 is positioned on the motor hub 71, the tire is mounted on the tire guide disc 22, and the tire is located above the periphery of the motor hub. Afterwards, the hub positioning and clamping cylinder 46 is extended, and the piston rod of the hub positioning and clamping cylinder clamps the tire guide disc 22. Upper cylinder six 36, upper cylinder four 34, upper cylinder two 32, lower cylinder five 45, lower cylinder three 43, and lower cylinder one 41 respectively drive the sixth sector 16, the fourth sector 14, the second sector 12, the fifth sector 15, the third sector 13, and the first sector 11 to descend, and the tire pressing driver 10 composed of six sector pieces is located above the tire. Afterwards, the three upper cylinders and the three lower cylinders perform the first section of partitioned downward pressure, refer to Figure 8 The first stage of zone pressing sequence is: lower cylinder 1 41 → upper cylinder 2 32 → lower cylinder 3 43 → upper cylinder 4 34 → lower cylinder 5 45 → upper cylinder 6 36 press down 20mm in sequence, then wait for 3 seconds, and then press down the second stage of zone pressing after the tension of the solid tire stabilizes. Figure 9 The second section of the zoned downward pressure timing process: lower cylinder one 41 → upper cylinder two 32 → lower cylinder three 43 → upper cylinder four 34 → lower cylinder five 45 → upper cylinder six 36 press down 10 mm in sequence, the lower eaves of the solid tire is pressed into the wheel hub, and the solid tire assembly is completed.

[0037] All cylinders of the tire changer are driven by solenoid valves controlled by PLC controller. Figure 5 This is a schematic diagram of the PLC electronic control part.

[0038] This automatic tire changing machine for solid tire assembly is controlled by a programmable logic controller (PLC). It only requires manual assistance and can complete all tire changes with one click. It is simple, safe, and fast, with a high yield rate of 99.8%. It changes the current manual tire changing method in the market: manual operation has many steps, is cumbersome, inefficient, and unsafe.

[0039] The above content is only a preferred embodiment of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there may be changes in the specific implementation method and application scope. The content of this specification should not be understood as limiting the present invention.

Claims

1. An automatic tire changing machine for assembling solid tires, comprising a cylinder mounted on a cylinder seat, a tire pressing driver (10) located below the cylinder and connected to the cylinder, and a motor hub base (20) located below the tire pressing driver, characterized in that: The tire pressing driver is disc-shaped and is composed of several sector-shaped pieces. Each sector-shaped piece is equipped with an independently actuated cylinder.

2. The automatic tire changing machine for solid tire assembly according to claim 1, characterized in that: The cylinder comprises three upper cylinders and three lower cylinders, wherein the three upper cylinders are mounted on an upper cylinder seat (30), and the three lower cylinders are mounted on a lower cylinder seat (40), and the upper cylinder seat and the lower cylinder seat are connected via upper and lower cylinder seat connecting fixing columns (51); the upper cylinders are connected to corresponding sector pieces via long extension push rods (52) of upper cylinder pistons, and the lower cylinders are connected to corresponding sector pieces via short extension push rods (53) of lower cylinder pistons.

3. The automatic tire changing machine for solid tire assembly according to claim 2, characterized in that: A guide limit column linear sliding bearing (54) is provided on the lower cylinder seat (40), a motion guide limit column (55) is provided in the guide limit column linear sliding bearing, and the motion guide limit column is connected to the sector piece.

4. The automatic tire changing machine for solid tire assembly according to claim 1, characterized in that: The bottom of the sector piece is provided with a tire pressing pad (17).

5. The automatic tire changing machine for solid tire assembly according to claim 2, characterized in that: The motor hub base (20) is arranged on the complete machine base (21), and a fixed guide limiter (24) is provided on the complete machine base; a fixing column (56) for connecting the lower cylinder base and the complete machine base is provided between the complete machine base and the lower cylinder base (40).

6. The automatic tire changing machine for solid tire assembly according to claim 2, characterized in that: A wheel hub positioning and pressing cylinder (46) is provided on the lower cylinder seat (40), and the wheel hub positioning and pressing cylinder can press downwards the tire guide disc (22) positioned on the motor wheel hub (71).

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