Annular tread polishing and gluing all-in-one machine

Abstract

According to the grinding and gluing all-in-one machine for the annular tread, automatic equipment for implementing grinding and gluing in a one-stop mode is provided, the grinding and gluing procedures can be completed through one-time clamping, and the purposes of remarkably saving the operation space and improving the production efficiency are achieved. The grinding and gluing all-in-one machine for the annular tread comprises a rack assembly, and a supporting, tensioning and rotating assembly used for winding and driving the annular tread to operate in a closed loop mode, a grinding assembly used for grinding the tread and a gluing assembly used for coating the surface of the tread with glue are arranged on the same side of the rack assembly in the axial direction.

Description

Technical Field

[0001] The utility model relates to a fully automatic device for integrated operations of annular tread grinding and gluing, belonging to the field of tire manufacturing and retreading. Background Art

[0002] The transmission tire retreading industry typically uses strip treads bonded to scrap tire bodies for retreading and reuse. With the rapid advancement of tire manufacturing and retreading technology, tire carcass-tread bonding techniques are constantly evolving. The emergence of seamless, annular treads has further improved the control precision and tightness of tread preload on retreaded tires.

[0003] Prior to laminating the annular tread to the polished tire body, the tread must be polished and coated with glue to improve adhesion between the two tires. Because the annular tread is a new tread type, there is currently no automated equipment on the market that combines polishing and gluing. The annular tread must be transported and clamped multiple times between multiple machines, resulting in low production efficiency and requiring a large production site.

[0004] In view of this, this patent application is filed. Utility Model Content

[0005] The present application proposes an all-in-one machine for grinding and gluing annular treads, which aims to solve the problems and shortcomings of the above-mentioned prior art and proposes automated equipment for one-stop grinding and gluing, so that the grinding and gluing processes can be completed through a single clamping process, thereby achieving the purpose of significantly saving working space and improving production efficiency.

[0006] In order to achieve the above-mentioned design purpose, the annular tread grinding and gluing machine includes a frame assembly, on the same side of which are axially arranged a supporting and tensioning rotating assembly for winding and driving the annular tread in a closed loop, a grinding assembly for grinding the tread, and a glue brushing assembly for applying glue on the tread surface.

[0007] Furthermore, the supporting and tensioning rotating assembly includes a group of driving rollers, at least one group of driven rollers and at least one group of tread tensioning rollers axially arranged on the frame assembly; the driving roller is axially connected to one end of the driving shaft, and a tread baffle for limiting the annular tread from one side is sleeved between the driving roller and the driving shaft, and the other end of the driving shaft is connected to the motor reducer through a coupling; the driven roller is axially connected to one end of the driven shaft, the tread baffle is sleeved between the driven roller and the driven shaft, and the other end of the driven shaft is axially arranged on the frame assembly; the tread tensioning roller is axially connected to one end of the tread tensioning roller support shaft, the second tread baffle is sleeved between the tread tensioning roller and the tread tensioning roller support shaft, the other end of the tread tensioning roller support shaft is fixedly connected to the tread tensioning bracket, one end of the tread tensioning bracket is connected to the output end of the lifting cylinder of the tread tensioning assembly, and the other end of the tread tensioning bracket is fixedly connected to the slider on the sliding buckle on the linear guide rail.

[0008] Furthermore, the tire grinding assembly includes a group of wire grinding wheels axially arranged on the frame assembly and at least one group of tread pressure rollers; the wire grinding wheel is axially connected to one end of the grinding spindle, and the other end of the grinding spindle is fixedly connected to the grinding motor reducer installed on the frame assembly through the grinding spindle support seat; the tread pressure roller shaft end is connected to the table pressure roller seat, and the tread pressure roller seat is connected to the cylinder rod of the tread pressure roller lifting cylinder installed on the frame assembly; the grinding spindle support seat is slidably buckled on the grinding linear guide rail, and the cylinder rod of the grinding assembly lifting cylinder is connected to the grinding spindle support seat.

[0009] Furthermore, the polishing linear guide rail is installed on the polishing device seat, the polishing device seat is fixed on the frame assembly, and a polishing assembly lifting cylinder is provided on the polishing device seat.

[0010] Furthermore, the grinding air blow pipe is installed on the grinding head shield, the grinding head shield is installed on the grinding spindle support seat, and the grinding air blow pipe is connected to the dust suction device.

[0011] Furthermore, the grinding limit assembly is installed on one side of the grinding device seat.

[0012] Furthermore, the glue brushing assembly includes an air knife assembly, a glue brush roller and a profiling roller whose shaft is arranged on the frame assembly, a slurry box connected by a hydraulic pipeline and a slurry mixing barrel with glue built in; the grouting pump and the mixer are respectively connected to the slurry mixing barrel, and the grouting pump is used to inject the slurry into the slurry box through the hydraulic pipeline; the glue brush roller is axially connected to one end of the glue brush roller main shaft, and the other end of the glue brush roller shaft is arranged on the frame assembly; the profiling roller shaft is arranged on the profiling roller bracket, the profiling roller bracket is installed on the profiling roller sliding seat, the profiling roller sliding seat is slidably buckled on the profiling roller linear guide rail, the cylinder rod of the profiling roller assembly lifting cylinder drives the profiling roller sliding seat, and the profiling roller assembly lifting cylinder is installed on the frame assembly through the glue coating and pressing cylinder seat.

[0013] Furthermore, the telescopic cylinder of the rubber brush roller guard is installed on the frame assembly, and its cylinder rod is connected to the rubber brush roller guard, and the rubber brush roller guard is slidably buckled on the rubber brush linear guide rail.

[0014] As mentioned above, the advantage of the annular tread grinding and gluing integrated machine is that this application is a one-stop automated equipment process for annular tread grinding and gluing operations, which not only saves space and reduces the number of clamping, lifting and transportation times, but also significantly improves the production efficiency of the overall operation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present application will now be further described with reference to the following drawings;

[0016] Figure 1 This is a schematic structural diagram of the annular tread grinding and gluing machine described in this application;

[0017] Figure 2 It is a structural diagram of the frame assembly and the supporting tensioning rotating assembly;

[0018] Figure 3 It is a schematic diagram of the structure of the polishing component;

[0019] Figure 4 It is a structural diagram of the glue brushing component; DETAILED DESCRIPTION

[0020] In order to further illustrate the technical means adopted by this application to achieve the predetermined design objectives, the following preferred implementation scheme is proposed in conjunction with the accompanying drawings.

[0021] The following description sets forth specific details to facilitate a thorough understanding of the present application. However, the present application can be implemented in a variety of other ways than those described herein, and those skilled in the art may make similar generalizations without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0022] Example 1, as Figures 1 to 4 As shown, the annular tread grinding and gluing machine described in the present application includes a frame assembly 1, on the same side of the frame assembly 1 are axially arranged a supporting tensioning rotating assembly 2 for winding and transmitting the annular tread closed loop operation, a grinding assembly 3 for grinding the tread, and a glue brushing assembly 4 for applying glue liquid on the tread surface.

[0023] The supporting and tensioning rotating assembly 2 includes a group of driving rollers 2-1, at least one group of driven rollers 2-7 and at least one group of tread tensioning rollers 2-11, which are axially arranged on the frame assembly 1;

[0024] The driving roller 2-1 is axially connected to one end of the driving shaft 2-3. The tread baffle 2-2 for limiting the annular tread from one side is sleeved between the driving roller 2-1 and the driving shaft 2-3. The other end of the driving shaft 2-3 is connected to the motor reducer 2-4 through a coupling. Driven by the motor reducer 2-4, the driving roller 2-1 rotates to drive the annular tread to operate. The driven roller 2-7 and the tread tensioning roller 2-11 rotate synchronously during the tread operation to jointly realize the closed-loop operation of the annular tread.

[0025] The driven roller 2-7 is axially connected to one end of the driven shaft 2-6, the tread baffle 2-2 is sleeved between the driven roller 2-7 and the driven shaft 2-6, and the other end of the driven shaft 2-6 is axially connected to the frame assembly 1;

[0026] The tread tensioning roller 2-11 is axially connected to one end of the tread tensioning roller support shaft 2-12, and the second tread baffle 2-10 is sleeved between the tread tensioning roller 2-11 and the tread tensioning roller support shaft 2-12. The other end of the tread tensioning roller support shaft 2-12 is fixedly connected to the tread tensioning bracket 2-9. One end of the tread tensioning bracket 2-9 is connected to the output end of the lifting cylinder of the tread tensioning assembly 2-5. The other end of the tread tensioning bracket 2-9 is fixedly connected to the slider that slides and snaps onto the linear guide rail 2-8. The linear guide rail 2-8 is fixed to the frame assembly 1; under the drive of the lifting cylinder of the tread tensioning assembly 2-5, the tread tensioning roller 2-11 can move vertically to play the role of tensioning the annular tread.

[0027] The tire grinding assembly 3 includes a set of wire grinding wheels 3-3 and at least one set of tread pressing rollers 3-11, the shafts of which are arranged on the frame assembly 1;

[0028] The wire grinding wheel 3-3 is axially connected to one end of the grinding spindle 3-8, and the other end of the grinding spindle 3-8 is fixedly connected to the grinding motor reducer 3-9 installed on the frame assembly 1 through the grinding spindle support seat 3-7; under the drive of the grinding motor reducer 3-9, the wire grinding wheel 3-3 rotates and rubs against the tread surface to complete the grinding operation;

[0029] The grinding spindle support seat 3-7 is slidably snapped onto the grinding linear guide 3-2, and the cylinder rod of the grinding assembly lifting cylinder 3-6 is connected to the grinding spindle support seat 3-7; specifically, the grinding linear guide 3-2 is installed on the grinding device seat 3-1, the grinding device seat 3-1 is fixed on the 3-11 frame assembly, and the grinding assembly lifting cylinder 3-6 is provided on the grinding device seat 3-1; under the drive of the grinding assembly lifting cylinder 3-6, the grinding spindle support seat 3-7 can move linearly back and forth along the grinding linear guide 3-2, for example, it can move back and forth in a direction with an angle of 55° to the ground, thereby adjusting the contact pressure between the wire grinding wheel 3-3 and the tread;

[0030] The shaft end of the tread pressing roller 3-11 is connected to the table pressing roller seat 3-12, and the tread pressing roller seat 3-12 is connected to the cylinder rod of the tread pressing roller lifting cylinder 3-13 installed on the frame assembly 1; when grinding, the cylinder rod of the tread pressing roller lifting cylinder 3-13 is extended, and the tread pressing roller 3-11 and the wire grinding wheel 3-3 are pressed together and rotated on the annular tread surface to jointly implement and improve the grinding efficiency and quality;

[0031] In order to facilitate the cleaning and collection of rubber powder generated during the grinding process, the grinding air pipe 3-5 is installed on the grinding head shield 3-4, and the grinding head shield 3-4 is installed on the grinding spindle support 3-7. The grinding air pipe 3-5 is connected to the dust suction device. During the grinding process, the rubber powder ground off the tread will be blown toward the grinding head shield 3-4 by the grinding air pipe 3-5, so that the rubber powder can be better sucked away by the dust suction device.

[0032] In order to play a buffering and limiting role in the downward movement of the grinding spindle support seat 3-7, the grinding limit assembly 3-10 is installed on one side of the grinding device seat 3-1.

[0033] The glue brushing assembly 4 includes an air knife assembly 4-1 axially mounted on the frame assembly 1, a glue brushing roller 4-4 and a pressing roller 4-7, as well as a glue box 4-3 and a mixing barrel 4-8 with glue built in connected by hydraulic pipes;

[0034] The air knife assembly 4-1 is used to blow air toward the tread surface during the rubber brushing operation of the rubber brushing roller 4-4;

[0035] The grouting pump 4-9 and the mixer 4-10 are respectively connected to the mixing barrel 4-8. The mixer is used to mix the slurry evenly. The grouting pump 4-9 is used to inject the slurry into the slurry box 4-3 through the hydraulic pipeline.

[0036] The rubber brush roller 4-4 is axially connected to one end of the main shaft of the rubber brush roller 4-5, and the other end of the main shaft of the rubber brush roller 4-5 is axially arranged on the frame assembly 1. The rubber brush roller 4-4 rotates along with the closed loop operation of the annular tread, and at the same time, brushes the rubber slurry onto the annular tread;

[0037] The axis of the profiling roller 4-7 is arranged on the profiling roller bracket 4-6, the profiling roller bracket 4-6 is installed on the profiling roller sliding seat 4-11, the profiling roller sliding seat 4-11 is slidably buckled on the profiling roller linear guide 4-15, the cylinder rod of the profiling roller assembly lifting cylinder 4-13 drives the profiling roller sliding seat 4-11, and the profiling roller assembly lifting cylinder 4-13 is installed on the frame assembly 1 through the gluing and pressing cylinder seat 4-12; under the drive of the profiling roller assembly lifting cylinder 4-13, the profiling roller sliding seat 4-11 moves linearly back and forth along the profiling roller linear guide 4-15 to drive the profiling roller 4-7 to press the tread when brushing glue, thereby achieving more uniform glue brushing.

[0038] The rubber brush roller guard telescopic cylinder 4-14 is installed on the frame assembly 1, and its cylinder rod is connected to the rubber brush roller guard 4-16, and the rubber brush roller guard 4-16 is slidably buckled into the rubber brush linear guide 4-2; during the grinding process, the rubber brush roller guard 4-16 is driven by the rubber brush roller guard telescopic cylinder 4-14 to telescope synchronously with the rubber brush roller 4-4 to prevent the rubber powder from falling.

[0039] Based on the structural design of the above-mentioned integrated grinding and gluing machine, this application can realize the following grinding and gluing process for the annular tread:

[0040] Step 1: All motors stop and the cylinders return to their initial positions.

[0041] Step 2: Hoist the annular tread to be polished and glued onto the supporting tensioning rotating assembly 2, close to the tread baffle 2-2, extend the tread tensioning assembly lifting cylinder 2-5 to tension the annular tread, and extend the rubber brushing roller guard telescopic cylinder 4-14; start the motor reducer 2-4 at the set speed to make the annular tread rotate at a uniform speed; start the polishing motor reducer 3-9 at the set speed to drive the wire polishing wheel 3-3 to rotate; start the dust suction device; extend the polishing assembly lifting cylinder 3-6 to move the wire polishing wheel 3-3 to the limited position, extend the tread pressing roller lifting cylinder 3-13, and the wire polishing wheel 3-3 presses the annular tread while polishing and dusting.

[0042] Step 3: After the annular tread grinding is completed, the grinding assembly lifting cylinder 3-6, the tread pressing roller lifting cylinder 3-13 and the brush rubber roller guard telescopic cylinder 4-14 all return to their initial positions, the grinding motor reducer 3-9 stops rotating, and the dust collection device stops working.

[0043] Step 4: Start the mixer 4-10 to mix the slurry evenly, then turn it off. Start the grouting pump 4-9 to inject the slurry into the slurry box 4-3. When the slurry in the slurry box 4-3 reaches the specified position, turn off the grouting pump 4-9. Retract the profiling roller assembly lifting cylinder 4-13 to allow the profiling roller 4-7 to press the annular tread. The brush roller 4-4 rotates with the drive roller 2-1 to evenly apply the slurry to the annular tread. Start the air knife assembly 4-1 to dry the slurry applied to the annular tread.

[0044] Step 5: The pressing roller assembly lifting cylinder 4-13 extends to the initial position.

[0045] Step 6: The motor reducer 2-4 stops rotating, and the tread tensioning assembly lifting cylinder 2-5 retracts to its initial position.

[0046] Step 7: Lift the annular tread to the next process.

[0047] In summary, the embodiments described above, combined with the accompanying drawings, are merely preferred solutions for achieving the objectives of this utility model. Those skilled in the art will be able to draw inspiration from these solutions and directly deduce other alternative structures that are consistent with the design concepts of this utility model. Other structural features derived from these solutions should also fall within the scope of the solutions described in this utility model.

Claims

1. A ring-shaped tread grinding and gluing machine, characterized by: It includes a frame assembly, on the same side of which are axially arranged a support and tensioning rotating assembly for winding and driving the annular tread in a closed loop, a grinding assembly for grinding the tread, and a glue brushing assembly for applying glue on the tread surface.

2. The annular tread grinding and gluing machine according to claim 1, characterized in that: The support and tensioning rotating assembly includes a group of driving rollers, at least one group of driven rollers and at least one group of tread tensioning rollers, all of which are axially mounted on the frame assembly; The driving roller is axially connected to one end of the driving shaft. A tread baffle for limiting the annular tread from one side is sleeved between the driving roller and the driving shaft. The other end of the driving shaft is connected to the motor reducer through a coupling. The driven roller is axially connected to one end of the driven shaft, the tread baffle is sleeved between the driven roller and the driven shaft, and the other end of the driven shaft is axially connected to the frame assembly; The tread tensioning roller is axially connected to one end of the tread tensioning roller support shaft, the second tread baffle is arranged between the tread tensioning roller and the tread tensioning roller support shaft, the other end of the tread tensioning roller support shaft is fixedly connected to the tread tensioning bracket, one end of the tread tensioning bracket is connected to the output end of the lifting cylinder of the tread tensioning assembly, and the other end of the tread tensioning bracket is fixedly connected to the slider that is slidably buckled on the linear guide rail.

3. The annular tread grinding and gluing machine according to claim 1, characterized in that: The grinding assembly includes a set of steel wire grinding wheels and at least one set of tread pressing rollers axially arranged on the frame assembly; The wire grinding wheel is axially connected to one end of the grinding spindle, and the other end of the grinding spindle is fixedly connected to the grinding motor reducer installed on the frame assembly through the grinding spindle support seat; The tread pressing roller shaft end is connected to the table pressing roller seat, and the tread pressing roller seat is connected to the cylinder rod of the tread pressing roller lifting cylinder installed on the frame assembly; The grinding spindle support seat is slidably buckled on the grinding linear guide rail, and the cylinder rod of the grinding component lifting cylinder is connected to the grinding spindle support seat.

4. The annular tread grinding and gluing machine according to claim 3, characterized in that: The grinding linear guide rail is installed on the grinding device seat, the grinding device seat is fixed on the frame assembly, and a grinding assembly lifting cylinder is arranged on the grinding device seat.

5. The annular tread grinding and gluing integrated machine according to claim 3, characterized in that: The grinding air blowing pipe is arranged on the grinding head guard, the grinding head guard is arranged on the grinding spindle supporting seat, and the grinding air blowing pipe is connected with the dust collecting device.

6. The annular tread grinding and gluing integrated machine according to claim 3, characterized in that: The grinding limit assembly is installed on one side of the grinding device seat.

7. The annular tread grinding and gluing machine according to claim 1, characterized in that: The glue brushing assembly includes an air knife assembly axially arranged on the frame assembly, a glue brushing roller and a pressing roller, as well as a glue box and a mixing barrel with glue built in connected by a hydraulic pipeline; The grouting pump and the mixer are respectively connected to the slurry mixing barrel. The grouting pump is used to inject the slurry into the slurry box through the hydraulic pipeline. The rubber brush roller is axially connected to one end of the rubber brush roller main shaft, and the other end of the rubber brush roller shaft is axially arranged on the frame assembly; The profiling roller shaft is arranged on the profiling roller bracket, the profiling roller bracket is installed on the profiling roller sliding seat, the profiling roller sliding seat is slidably buckled on the profiling roller linear guide rail, the cylinder rod of the profiling roller assembly lifting cylinder drives the profiling roller sliding seat, and the profiling roller assembly lifting cylinder is installed on the frame assembly by gluing and pressing the cylinder seat.

8. The annular tread grinding and gluing integrated machine according to claim 7, characterized in that: The telescopic cylinder of the rubber brush roller guard is installed on the frame assembly, and the cylinder rod thereof is connected to the rubber brush roller guard, and the rubber brush roller guard is slidably buckled on the rubber brush linear guide rail.

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