Solid tire assembling equipment

A solid tire and assembly equipment technology, applied in tire installation, tire parts, transportation and packaging, etc., can solve the problems of high tire damage rate and uneven force on the rim, so as to avoid damage to the tire, apply uniform pressure and avoid impact Effect

Pending Publication Date: 2022-04-08
JINAN CJR ELECTRICS CO LTD
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AI-Extracted Technical Summary

Problems solved by technology

In the process of pressing the tire and the rim of this kind of assembly equip...
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Abstract

The invention relates to solid tire assembling equipment which comprises a C-shaped rack, a lifting pressure head assembly, a core expanding mold and a controller, the C-shaped rack comprises a base, a stand column and a top box body which are integrally welded, a workbench is arranged on the base, and a mold falling hole is formed in the workbench; the lifting pressure head assembly is fixed on a top box body of the C-shaped rack and comprises a lifting device and a pressure head assembly, the action of the lifting device is controlled by a controller, the pressure head assembly comprises a fixed plate, a retaining disc and a pressure head, and the retaining disc is used for being in contact with a spoke of a wheel to apply pressure; a ring groove and a force bearing ring table are arranged on the core expansion mold, the ring groove is used for placing a rim of a wheel, and the force bearing ring table is used for bearing pressure applied by the pressure head; by the adoption of the technical scheme, the core expanding mold can enable the mounting hole of the solid tire to be evenly expanded so as to achieve smooth assembly of the wheel and the solid tire, the rim of the wheel is not subjected to pressure output by equipment in the whole press-fitting process, and the tire is effectively prevented from being damaged.

Application Domain

Tyre repairing

Technology Topic

Structural engineeringManufacturing engineering +1

Image

  • Solid tire assembling equipment
  • Solid tire assembling equipment
  • Solid tire assembling equipment

Examples

  • Experimental program(1)

Example Embodiment

[0038] Example
[0039] A solid tire assembling equipment is applicable to the structure of the wheel 3: a plurality of spokes are arranged between the rim and the hub, and there are intervals between adjacent spokes. The wheel 3 in this embodiment includes three spokes. The solid tire assembly equipment of this embodiment includes a C-shaped frame, a lifting and lowering head assembly 2 , a core expanding mold 4 and a controller 6 .
[0040] The C-shaped frame includes an integrally welded base 11, a column 12 and a top box. The base 11 is provided with a worktable 8, which is used to place the solid tire 5. The worktable 8 is provided with a die hole 801, and the die The hole 801 is used to pass the core expanding die 4; the base 11 is also provided with a die drop ramp 7, which is located below the die drop hole 801 and used to receive the core expanding die dropped from the drop die hole 801 4. Soft material is laid on the upper surface of the drop-die inclined table 7, and the rubber sheet is selected in this embodiment; the bottom four corners of the base 11 are provided with height-adjusting pads 9, which are used to adjust the levelness of the C-shaped frame. ; There are a plurality of positioning members 10 on the workbench 8, and a plurality of positioning members 10 are evenly distributed around the circumference of the die hole 801 for rough positioning of the solid tire 5.
[0041] The lifting and lowering head assembly 2 includes a lifting device and a pressing head assembly, and the lifting, lowering and stopping of the lifting device are controlled by the controller 6 .
[0042] The lifting device in this embodiment is an electric type. Under the teaching of this embodiment, those skilled in the art can also set the lifting device to be a hydraulic type, so as to realize the function of lifting and lowering and providing downward pressure. The lifting device includes a telescopic rod assembly 206, the telescopic rod assembly 206 includes a power input shaft and a telescopic shaft 207, the power input shaft is fixedly connected with the output shaft of the reducer through a coupling, the reducer is connected with the motor 201, and the motor 201 and the reducer are connected together. It is fixed on the motor fixing base 202, and the fixed parts of the motor fixing base 202 and the telescopic rod assembly 206 are fixed on the mounting plate 203, and the mounting plate 203 is fixed on the upper jaw plate 1 of the top box of the C-shaped frame.
[0043]The indenter assembly includes a fixed plate 205, a stop plate 213, a pressure head 218 and a hydraulic buffer 214. The fixed plate 205 is fixedly connected to the telescopic shaft 207; The fixing plate 205 is fixedly connected, and the backstop plate 213 is used for contacting the spokes of the wheel 3; the backstop plate 213 is provided with an escape hole A215, and the escape hole A215 is used to accommodate the upper part of the wheel hub of the wheel 3; the number of the indenters 218 is 3, equal to the number of spokes of the wheel 3, the indenter 218 is arranged below the stop plate 213 and is fixedly connected with the stop plate 213, and the three indenters 218 are evenly distributed around the circumference of the abdication hole A215; each indenter 218 A hydraulic buffer 214 is embedded in the middle, and the telescopic part of the hydraulic buffer 214 includes an integrally connected telescopic rod and a buffer head. below 218.
[0044] The lift head assembly 2 also includes a first guide rod 209 and a second guide rod 204. The lower ends of the first guide rod 209 and the second guide rod 204 are both fixed on the pressure head; the mounting plate 203 is provided with a first guide hole. The hole and the second guide through hole, the first guide through hole is coaxially matched with the first guide rod 209, and the second guide through hole is coaxially matched with the second guide rod 204, and is used for lifting and guiding.
[0045] A switch sensing block 210 is fixed on the top of the first guide rod 209. The switch sensing block 210 is used to sense the upper limit switch 211 and the lower limit switch 208. The upper limit switch 211 and the lower limit switch 208 are both fixed on the switch fixing frame 212. The switch holder 212 is fixed on the mounting plate 203, and the upper limit switch 211 and the lower limit switch 208 are both connected to the controller 6; when the indenter is at the lower limit, the switch sensing block 210 senses the lower limit switch 208, and when the indenter is at the upper limit When it is in position, the switch sensing block 210 senses the upper limit switch 211 .
[0046] The lift head assembly 2 also includes a displacement sensor 216, which is connected to the controller 6 for sensing the real-time position of the indenter. The displacement sensor 216 can be selected as a pull-string displacement sensor or a magnetostrictive displacement sensor. In this embodiment, a pull-string displacement sensor is selected. Under the guidance of this embodiment, those skilled in the art can also select the displacement sensor 216. It is a magnetostrictive displacement sensor. When the displacement sensor 216 is selected as the cable-pulling displacement sensor, the main body of the cable-pulling displacement sensor is fixed on the mounting plate 203, the cable of the cable-pulling displacement sensor is fastened on the small mounting plate 217, and the small mounting plate 217 is fixed on the mounting plate 203. The top of the second guide rod 204 . When the displacement sensor 216 is selected as the magnetostrictive displacement sensor, the main body of the magnetostrictive displacement sensor is fixed on the mounting plate 203, the position magnet of the magnetostrictive displacement sensor is fixed on the small mounting plate 217, and the small mounting plate 217 is fixed on the top of the second guide rod 204 .
[0047] The core expansion die 4 is used to be placed in the mounting hole of the solid tire 5 to expand the mounting hole of the solid tire 5; the core expansion die 4 has a conical shape, the lower end is a small diameter, and the upper end is a large diameter; A person skilled in the art can set different tapers according to different tire materials and specifications, so that the mounting hole of the solid tire 5 is expanded within the set stroke range; The bearing ring platform 402 and the give-away hole B403, the ring groove 401 is used to place the rim of the wheel 3, the bearing ring platform 402 is used to receive the pressure exerted by the pressure head 218; the give-away hole B403 is used to accommodate the lower part of the wheel hub of the wheel 3 .
[0048] The core expanding mold 4 can be reused.
[0049] The controller 6 includes manual "switch", "up", "down" and "stop" buttons, and manual control is realized through the manual buttons.
[0050] Use of this example:
[0051] (1) Place the solid tire 5 on the workbench 8 , and perform rough positioning of the solid tire 5 through the positioning member 10 .
[0052] (2) Place the core expanding mold 4 in the mounting hole of the solid tire 5 of the solid tire 5 .
[0053] (3) Place the hub of the wheel 3 in the escape hole B403 of the core expanding die 4 , and place the rim of the wheel 3 in the ring groove 401 of the core expanding die 4 .
[0054] (4) The lifting device of the lifting and lowering head assembly 2 is actuated by the controller 6, the pressing head 218 is lowered, and the lowering of the pressing head 218 is divided into four stages:
[0055] The first stage: the buffer heads of the three hydraulic buffers 214 are in contact with the bearing ring table 402 of the core expanding die 4. During the descending process of the indenter 218, the buffer heads of the three hydraulic buffers 214 are slowly moved toward the indenter 218 The inside of the core is pressed in, so that the core expanding die 4 is gradually adjusted to a horizontal state;
[0056] The second stage: the pressure head 218 continues to descend, the buffer heads of the three hydraulic buffers 214 are all pressed into the inside of the pressure head 218, the pressure head 218 contacts the bearing ring platform 402, and applies pressure to the bearing ring platform 402, and the pressure rises. The core mold 4 descends under the action of pressure, so that the mounting hole of the solid tire 5 expands, and the wheel 3 naturally descends with the core mold 4;
[0057] The third stage: the indenter 218 continues to descend, the core expansion mold 4 is gradually pressed out of the solid tire 5, and the backstop 213 contacts the spokes of the wheel 3 to apply pressure to keep the wheel 3 in a horizontal state;
[0058] The fourth stage: the pressure head 218 continues to descend. When the pressure head 218 falls to the lower limit position, the switch sensing block 210 senses the lower limit switch 208, and the controller 6 controls the lifting device of the lifting and lowering head assembly 2 to stop descending; the hydraulic buffer 214 The natural rebound of the buffer head makes the core expansion mold 4 and the solid tire 5 separate from each other.
[0059] (5) The lifting device of the lifting and lowering ram assembly 2 is actuated by the controller 6, the ram rises, and when the ram rises to the upper limit, the switch sensing block 210 senses the upper limit switch 211, and the controller 6 controls the lifting and lowering of the ram. The lifting device of module 2 stops rising.
[0060] For the assembly of solid tires 5 and wheels 3 of different specifications, it is only necessary to replace the core expanding mold 4 and the indenter 218 with a suitable size.

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