阅读说明：本技术 实心轮胎成型机及其成型方法 (Solid tire forming machine and forming method thereof ) 是由 赵先知 钟亮 于 2020-06-11 设计创作，主要内容包括：本发明公开了一种实心轮胎成型机及其成型方法,成型机至少包括出胶机构,还包括PLC电控系统和可控动力机构；所述出胶机构的两侧分别设置有第一胶刀架和第二胶刀架,用于切割胶片的第一胶刀和第二胶刀分别设置于所述第一胶刀架和所述第二胶刀架上,所述可控动力机构包括为向轮辋安装盘上的胶片施加径向力的施力机构、输送机构、翻转机构和成型机构,所述输送机构的一端与所述出胶机构连接。本发明的轮胎成型机自动化程度高、安全可靠且成品质量稳定。(The invention discloses a solid tire forming machine and a forming method thereof, wherein the forming machine at least comprises a rubber discharging mechanism, a PLC electric control system and a controllable power mechanism; the two sides of the glue outlet mechanism are respectively provided with a first glue knife rest and a second glue knife rest, a first glue knife and a second glue knife for cutting the film are respectively arranged on the first glue knife rest and the second glue knife rest, the controllable power mechanism comprises a force application mechanism, a conveying mechanism, a turnover mechanism and a forming mechanism, the force application mechanism is used for applying radial force to the film on the rim mounting disc, and one end of the conveying mechanism is connected with the glue outlet mechanism. The tire building machine has the advantages of high automation degree, safety, reliability and stable quality of finished products.)

1. A solid tyre forming machine at least comprises a rubber discharging mechanism, and is characterized by also comprising a PLC electric control system and a controllable power mechanism; a first rubber knife rest and a second rubber knife rest are respectively arranged on two sides of the rubber discharging mechanism, and a first rubber knife and a second rubber knife for cutting the rubber sheet are respectively arranged on the first rubber knife rest and the second rubber knife rest;

the controllable power mechanism comprises a force application mechanism, a conveying mechanism, a turnover mechanism and a forming mechanism, wherein the force application mechanism is used for applying radial force to a film on the rim mounting disc; the overturning structure is fixedly arranged on the forming mechanism and can rotate along with the machine body of the forming mechanism, and the rim mounting disc is fixedly arranged on the overturning mechanism and can overturn along with the overturning mechanism; the PLC electric control system is electrically connected with the glue outlet mechanism and the controllable power mechanism.

2. The solid tire building machine according to claim 1 wherein said glue dispensing mechanism further comprises a glue cutter control mechanism for adjusting the relative position between said first glue cutter carriage and said second glue cutter carriage, said glue cutter control mechanism being driven by an electric drive mechanism.

3. A solid tire building machine according to claim 2 wherein said rubber-cutter control mechanism is a screw and a guide rod, said screw and said guide rod being driven by a servo motor.

4. A solid tire building machine according to claim 3 wherein said screw comprises a first screw for controlling a first rubber blade and a second screw for controlling a second rubber blade, said first screw and said second screw being driven by different drive mechanisms, respectively.

5. A solid tyre building machine according to claim 4, characterised in that the said rubber blade control means are cylinders provided with limit switches or gear structures provided with servomotors.

6. A solid tyre building machine according to any one of claims 1 to 5, wherein the force applying mechanism of the power controllable mechanism is a rotatable roller with adjustable position, and the rotatable roller is driven by a variable frequency motor.

7. The solid tire building machine according to claim 6, wherein one end of the rotary roller is provided with a pulley structure, the pulley of the pulley structure is fixedly arranged at one side of the power mechanism body, one end of the pulley structure is connected to the rotary roller through a steel wire rope, and the other end of the pulley structure is provided with a balancing weight.

8. The solid tire building machine according to claim 7, wherein the controllable power mechanism further comprises a coupler, a bearing seat, a guide rod and a variable frequency motor, the motor of the controllable power mechanism is communicated with the bearing seat through the coupler, and the rotary roller is arranged in the bearing seat and can rotate along with the bearing seat; the machine body of the controllable power mechanism is also provided with a guide rod fixing frame, and the guide rod is arranged on the guide rod fixing frame.

9. A solid tyre building machine according to claim 7 wherein the inverting mechanism is driven by a hydraulic or pneumatic pump.

10. The molding method with the solid tire building machine according to any one of claims 1 to 9, characterized by: the method comprises the following steps:

1) mounting a rim on a rim mounting plate;

2) starting a PLC (programmable logic controller) electric control system to enable a rim mounting disc arranged on the turnover mechanism to turn out of one side of the rubber sheet, and adjusting a gap between the controllable power mechanism and the rim to a set value;

3) the PLC electric control system is started to control the rubber discharging mechanism and the conveying mechanism, the well-mixed rubber sheet is conveyed to the rim through the rubber discharging mechanism and the conveying mechanism, the position between the tire rim on the power mechanism and the turnover mechanism is automatically adjusted through the controllable power mechanism, the rubber sheet is pressed on the rim, and the curling forming is automatically completed.

Technical Field

The invention relates to the technical field of tire production equipment, in particular to a solid tire forming machine and a forming method thereof.

Background

The solid tyre has solid tyre body, no cord as skeleton and no need of inflation, and thus no need of inner tube or inner liner. Solid tires are currently used not only for high-load vehicles or machines traveling at low speeds, but also for fixed-position machines. The current solid tire processing process mainly comprises the following steps: the method comprises the steps of rim processing, rubber mixing, molding, vulcanization and the like.

However, in the existing solid tire, the mode of the rubber sheet discharged from the open mill is controlled by manpower, the thickness and the width of the rubber sheet are unstable, the operation is inconvenient, the working efficiency is low, during the molding process, the side force is still provided by manpower, so that the rear roller of the molding machine is driven by the motor to rotate, and the rubber sheet is wound on the steel ring layer by layer under the driving of the friction force, thereby completing the molding process.

The existing structural design needs a plurality of workers for assistance when the tire is molded, the workload is large, the quality stability of finished products is poor, the working efficiency is low, and safety accidents easily occur due to the fact that the workers are near the equipment in the molding process.

Therefore, there is an urgent need for a tire building machine with high automation, safety and reliability, and stable and reliable quality of finished products.

Disclosure of Invention

The invention aims to solve the technical problems of low automation degree, unstable product quality, low safety coefficient and the like of the conventional tire building machine, and provides a novel tire building machine which has high automation degree, safety, reliability and stable finished product quality.

In order to achieve the purpose, the invention provides a tire building machine, which at least comprises a rubber outlet mechanism and is characterized by also comprising a PLC (programmable logic controller) electric control system and a controllable power mechanism; a first rubber knife rest and a second rubber knife rest are respectively arranged on two sides of the rubber discharging mechanism, and a first rubber knife and a second rubber knife for cutting the rubber sheet are respectively arranged on the first rubber knife rest and the second rubber knife rest;

the controllable power mechanism comprises a force application mechanism, a conveying mechanism, a turnover mechanism and a forming mechanism, wherein the force application mechanism is used for applying radial force to a film on the rim mounting disc; the overturning structure is fixedly arranged on the forming mechanism and can rotate along with the machine body of the forming mechanism, and the rim mounting disc is fixedly arranged on the overturning mechanism and can overturn along with the overturning mechanism; the PLC electric control system is electrically connected with the glue outlet mechanism and the controllable power mechanism.

In some embodiments, the glue discharging mechanism further comprises a glue cutter control mechanism for adjusting the relative position between the first glue cutter frame and the second glue cutter frame, and the glue cutter control mechanism is driven by an electric driving mechanism.

In some embodiments, the glue cutter control mechanism is a lead screw and a guide rod, and the lead screw and the guide rod are driven by a servo motor.

In some embodiments, the lead screw includes a first lead screw for controlling a first rubber cutter and a second lead screw for controlling a second rubber cutter, and the first lead screw and the second lead screw are respectively driven by different driving mechanisms.

In some embodiments, the rubber blade control mechanism is a cylinder provided with a limit switch or a gear structure provided with a servo motor.

In some embodiments, the force applying mechanism of the controllable power mechanism is a rotary roller with an adjustable position, and the rotary roller is driven by a variable frequency motor.

In some specific embodiments, one end of the rotating roller is provided with a pulley structure, a pulley of the pulley structure is fixedly arranged on one side of the power mechanism body, one end of the pulley structure is connected to the rotating roller through a steel wire rope, and the other end of the pulley structure is provided with a balancing weight.

In some specific embodiments, the controllable power mechanism further comprises a coupler, a bearing seat, a guide rod and a variable frequency motor, the motor of the controllable power mechanism is communicated with the bearing seat through the coupler, and the rotary roller is arranged in the bearing seat and can rotate along with the bearing seat; the machine body of the controllable power mechanism is also provided with a guide rod fixing frame, and the guide rod is arranged on the guide rod fixing frame.

In some embodiments, the turnover mechanism is driven by a hydraulic pump or an air pump.

Another object of the present invention is to provide a method for forming a solid tire having the above characteristics, comprising the steps of:

1) mounting a rim on a rim mounting plate;

2) starting a PLC (programmable logic controller) electric control system to enable a rim mounting disc arranged on the turnover mechanism to turn out of one side of the rubber sheet, and adjusting a gap between the controllable power mechanism and the rim to a set value;

3) the PLC electric control system is started to control the rubber discharging mechanism and the conveying mechanism, the well-mixed rubber sheet is conveyed to the rim through the rubber discharging mechanism and the conveying mechanism, the position between the tire rim on the power mechanism and the turnover mechanism is automatically adjusted through the controllable power mechanism, the rubber sheet is pressed on the rim, and the curling forming is automatically completed.

The invention has the beneficial effects that:

according to the structural design, the automatic forming machine is adopted in the rubber sheet conveying process and the forming process, the tire blank is integrally formed at one time, the rubber sheet quality is stable and reliable, the rubber sheet compaction density is stable and reliable in the forming process, the manpower is reduced, the safety coefficient is improved, and meanwhile, the product quality is ensured.

The width and the thickness of the film can be automatically controlled by changing the parameters of the PLC electric control system, and the stability and the consistency of the quality of the film of the tire molding embryo process are ensured.

Automated transport mechanisms ensure line consistency and stability in film transport. The speed of the conveying mechanism and the rotating speed parameters of the controllable power mechanism are set through the program logic relationship in the PLC electric control system, so that the film discharging speed of the film discharging mechanism is consistent with the forming and curling speed, and the phenomenon that the front and back speed differences of the film are wrinkled is avoided.

The driving roller of the controllable power mechanism can provide constant load force F for the film on the rim, so that the automation of combination and separation of the controllable power structure and the rim is realized, the uniformity of film forming compaction is ensured, and bubbles are not easy to generate in the forming process.

The overturning structure provides multidirectional selection for the rim mounting disc, simplifies the operation, improves the safety of the operation process and improves the mounting efficiency.

Drawings

Fig. 1 is a schematic structural diagram according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the glue discharging mechanism in fig. 1.

Fig. 3 is a schematic structural diagram of the controllable power mechanism in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the present embodiment provides a solid tire building machine, which includes a rubber discharging mechanism 1, a PLC electronic control system 8, and a controllable power mechanism 4.

The controllable power mechanism 4 comprises a force application mechanism, a conveying mechanism 2, a turnover mechanism 6 and a forming mechanism, wherein the force application mechanism is used for applying radial force to the film on the rim mounting disc 5, one end of the conveying mechanism 2 is connected with the film discharging mechanism 1, and the other end of the conveying mechanism 2 is connected with the forming mechanism.

Tilting mechanism 6 is fixed to be set up on forming mechanism and can rotate along with forming mechanism's fuselage, and rim mounting disc 5 is fixed to be set up on tilting mechanism 6 and can overturn along with tilting mechanism 6, can realize tilting mechanism 6 at the upset action of 0 ~ 120 within range, satisfies the demand that rim horizontal installation and embryo level hung and get, has practiced thrift the time greatly. The PLC electric control system 8 is electrically connected with the glue outlet mechanism 1 and the controllable power mechanism 4.

As shown in fig. 2, a first glue knife rest 11 and a second glue knife rest 21 are respectively arranged on two sides of the glue discharging mechanism 1, and a first glue knife 16 and a second glue knife 26 for cutting the film are respectively arranged on the first glue knife rest 11 and the second glue knife rest 21.

In order to expand the application range of products and meet the requirements of products with different sizes on the width of a film, the film discharging mechanism 1 further comprises a rubber blade control mechanism for adjusting the relative position between the first rubber blade holder 11 and the second rubber blade holder 21, and the rubber blade control mechanism is driven by an electric driving mechanism, such as a motor 15.

As shown in fig. 2, the lead screw and guide bar structure used as the glue cutter control mechanism, wherein the lead screw comprises a first lead screw 17 for controlling the first glue cutter 16 and a second lead screw 27 for controlling the second glue cutter 26, the guide bar comprises a first guide bar 12 matched with the first lead screw 17 and a second guide bar 22 matched with the second lead screw, and the first lead screw 17 and the second lead screw 27 can be driven by the same driving mechanism or different driving mechanisms respectively.

Because the first rubber cutter control mechanism and the second rubber cutter control mechanism can be respectively set, different parameters are adopted, the purposes of taking the central line of the film as a boundary and having different widths at two sides are realized, and the application range of the product is greatly enlarged. In addition, the width of the film can be changed by changing the speed of the motor, the operation is simple, and the quality is stable and reliable.

When different driving mechanisms are adopted for driving, the rotating speed, the starting and stopping time, the motor output frequency and the like of the driving mechanisms can be different, and the requirements of the forming machine on different film sections are met.

In other embodiments, the rubber blade control mechanism may also be a cylinder equipped with a limit switch, or a gear structure equipped with a servo motor, and the invention is not limited to other specific control mechanisms.

As shown in fig. 3, the controllable power mechanism 4 includes a body 47 of the controllable power mechanism, and the force applying mechanism rotating roller 46 of the controllable power mechanism is rotatably disposed on the body 47 of the controllable power mechanism. The position of the rotary roller 46 can be adjusted as desired, and the rotary roller 46 is driven by a variable frequency motor 44.

The motor 44 of the controllable power mechanism drives the bearing seat to rotate through the coupler 45, and then drives the rotary roller 46 to synchronously rotate, the rotary roller 46 can continuously and stably provide a constant load force F for the radial direction of the rim, the film is only fit on the rim under the action of the force F, the controllable power mechanism and the tire rim can be automatically contacted and separated like a clutch, the power device 3 of the turnover mechanism realizes the automatic rotation of the tire rim installed on the tire rim installing disc 5 on the automatic control turnover mechanism 6 according to set parameters, and the tire embryo molding and coiling are realized. The film has stable and reliable compaction density, no air bubble and stable product quality.

The force application mechanism of the controllable power mechanism further comprises a pulley structure arranged at one end of the rotary roller 46, one end of the pulley structure is connected to the rotary roller 46, and a balancing weight is arranged at the other end of the pulley structure. The weight block moves to drive the rotary roller 46 to move, and the weight of the weight block is adjusted to change the external force applied to the film on the rim, so that the compactness of the molded tire is changed.

In addition, the controllable power mechanism is driven by the servo motor, and required parameters can be modified by the PLC control system, so that the requirements of tires of different models and rubber compactness in the market can be met.

In other embodiments, other force application means may be used to vary the external force applied to the film on the rim.

The solid tire forming machine of the embodiment adopts integral forming, and has high automation degree and stable and reliable quality.

The invention also provides a molding method of the solid tire with the characteristics, which comprises the following specific steps:

1) mounting a rim on a rim mounting plate; and starting the PLC electric control system to control the glue discharging mechanism and the conveying mechanism.

2) Starting a first motor 15, driving a first synchronous wheel 13 to rotate by a first synchronous belt 14, further driving a first screw rod 17 to rotate, and guiding the refined rubber sheets to move to the conveying mechanism 2; and starting the second motor 25, driving the second synchronous wheel 23 to rotate by the second synchronous belt 24, further driving the second screw rod 27 to rotate, and guiding the film to move to the conveying mechanism 2, wherein the first motor 15 and the second motor 25 can be the same motor.

3) The motor 44 of the controllable power mechanism 4 is started, the bearing seat is driven to rotate through the coupler 45, the transmission roller 46 is further driven to rotate, meanwhile, the turnover mechanism is started, the rim mounting disc mounted on the turnover mechanism is made to turn to one side where the film is located, the gap between the controllable power mechanism and the rim is adjusted to a set value, the film is conveyed to the conveying mechanism 2, and under the driving of the transmission roller 46 of the controllable power mechanism 4, the film is wound on the rim, and the curling forming is automatically completed.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.