CN215791907U

CN215791907U - Safety protection emergency stop device for finger-shaped forward-wrapping capsule reverse-wrapping forming machine

Info

Publication number: CN215791907U
Application number: CN202121464526.7U
Authority: CN
Inventors: 王大本
Original assignee: Weihai Jiahang Rubber Technology Co ltd
Current assignee: Weihai Jiahang Rubber Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-11
Anticipated expiration: 2031-06-29

Abstract

The utility model provides a safety protection emergency stop device for a finger-shaped forward-wrapping capsule turn-over forming machine, which is provided with an emergency stop switch, a touch baffle and a transverse bracket, wherein the transverse bracket, the emergency stop switch and the touch baffle are all arranged above a forming drum of the forming machine, and the emergency stop switch and the touch baffle are arranged between the transverse bracket and the forming drum; the touch baffle is hinged with the transverse support, the emergency stop switch is fixedly connected with the transverse support, the emergency stop switch is arranged behind the touch baffle, a contact of the emergency stop switch and the touch baffle are arranged at intervals, and the controller is respectively connected with the emergency stop switch and a driving motor of the forming machine through control circuits; when the touch baffle rotates backwards around the hinging part of the touch baffle and the transverse support, the touch baffle touches the contact of the emergency stop switch, the emergency stop switch generates a sensing signal and transmits the sensing signal to the controller through the control circuit, and the controller controls the driving motor to stop rotating, so that the emergency stop of the forming drum is realized, and the forming drum can be widely applied to the technical field of tire forming.

Description

Safety protection emergency stop device for finger-shaped forward-wrapping capsule reverse-wrapping forming machine

Technical Field

The application belongs to the technical field of tire molding, and particularly relates to a safety protection emergency stop device for a finger-shaped forward-wrapping capsule turn-up molding machine.

Background

The tire building machine is a special machine for manufacturing a tire blank, and the outer tire building is an important process in the tire production process. In the process of forming a small and medium-sized tire blank by using a forming machine, particularly by using a finger-shaped forward-wrapping capsule reverse-wrapping forming machine, in the process of forming the small and medium-sized tire blank, a tire tread needs to be manually attached to the tire blank on a forming drum, in the process of attaching the tire tread, an employee stands in front of the forming drum, needs to attach one end of the tire tread to the tire blank attached to the forming drum, forcibly strains the other end of the tire tread backwards to keep the whole tire tread in a tight state, and simultaneously frequently clicks a foot switch by feet to enable a main shaft of the forming machine to rotate to drive the forming drum to rotate so as to tightly wind the tire tread on the tire blank. When the foot switch is out of order or the manual operation is out of order, the forming machine rotates at full speed, the staff is still in the state of straining the tread backwards with effort, the hands are not loosened, the human body naturally leans forward along with the inertia of tread winding, the human body is easily rolled up to the top of the forming drum along with the tread, even the rear of the forming drum is rolled up, the problem is very dangerous, the production safety accident is easy to happen, and the technical problem needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical defects and provides a safety protection emergency stop device for a finger-shaped forward-wrapping capsule turn-over forming machine, which can be stopped in time when a foot switch fails or manual operation errors occur to cause the forming machine to rotate at full speed, so that the personal safety of staff is ensured.

Therefore, the utility model provides a safety protection emergency stop device for a finger-shaped forward-wrapping capsule turn-over forming machine, which is provided with an emergency stop switch, a touch baffle and a bracket, wherein the bracket is provided with a transverse bracket; the touch baffle is hinged with the transverse support, the emergency stop switch is fixedly connected with the transverse support, the emergency stop switch is arranged behind the touch baffle, a contact of the emergency stop switch and the touch baffle are arranged at intervals, and the controller is respectively connected with the emergency stop switch and a driving motor of the forming machine through control circuits; when the touch baffle rotates backwards around the hinging part of the touch baffle and the transverse support, the touch baffle touches the contact of the emergency stop switch, the emergency stop switch generates a sensing signal and transmits the sensing signal to the controller through the control circuit, and the controller controls the driving motor to stop rotating, so that the emergency stop of the forming drum is realized.

Preferably, the emergency stop switch is fixedly connected to the transverse bracket through a fixing plate.

Preferably, the touching baffle is connected with the transverse support in a hinged mode through a connecting rod, the upper end of the connecting rod is connected with the transverse support in a hinged mode, and the lower end of the connecting rod is connected with the touching baffle.

Preferably, the touch baffle is provided with a metal layer and a buffer layer which are connected with each other, the metal layer faces the rear emergency stop switch, and the buffer layer faces the front.

Preferably, the buffer layer is a silica gel foam material.

Preferably, the support is further provided with a longitudinal support, the lower end of the longitudinal support is used for being mounted on a case of the forming machine, and the upper end of the longitudinal support is connected with the transverse support.

Preferably, the longitudinal support is a telescopic rod structure with a locking device.

The utility model has the beneficial effects that: the utility model provides a safety protection emergency stop device for a finger-shaped forward-wrapping capsule turn-over molding machine, which is provided with an emergency stop switch, a touch baffle and a transverse bracket, wherein the emergency stop switch, the touch baffle and the transverse bracket are arranged above a molding drum, when a foot switch fails or a human misoperation occurs to the full-speed rotation of the molding machine, a worker is still in a state of straining a tread backwards with force to loose two hands, when a human body inclines to the upper part of the molding drum along with the inertia of the wound tread, the human body touches the touch baffle, then the touch baffle touches the emergency stop switch, and the emergency stop switch is transmitted to a controller through a control circuit to control a driving motor of the molding machine to stop rotating, so that the emergency stop of the molding drum is realized, and the personal safety of the worker is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic structural view of the present invention installed on a finger-shaped forward-wrapping capsule reverse-wrapping forming machine;

FIG. 2 is a schematic diagram of the structure of the sensing device and the touch plate of the present invention;

FIG. 3 is a schematic structural diagram of an instant when an operator touches the touch panel to make the touch panel contact with a contact of the sensing device;

FIG. 4 is a schematic structural diagram of the contact connecting end of the sensing device rotating due to the fact that an operator touches the touch plate and violently touches the touch plate;

FIG. 5 is a schematic diagram of a configuration in which an operator touches the touch plate with excessive force, resulting in a large rotational displacement of the touch plate relative to the contact tip;

fig. 6 is a schematic structural diagram of the intelligent control system of the utility model.

Reference numerals: 1. a scram switch; 2. touching a baffle; 3. a transverse support; 4. a forming drum; 5. a contact; 6. a controller; 7. a drive motor; 8. a hinge portion; 9. a fixing plate; 10. a connecting rod; 11. a metal layer; 12. a buffer layer; 13. an inductor; 14. a contact connecting end; 15. a connecting member; 16. a longitudinal support; 17. a chassis; 18. a locking device; 19. connecting ropes; 20. an alarm lamp; 21. and a power supply module.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. The method used in the utility model is a conventional method if no special provisions are made; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.

As shown in fig. 1-3 and 6, the utility model provides a safety protection emergency stop device for a finger-shaped forward-wrapping capsule turn-up forming machine, which is provided with an emergency stop switch 1, a touch baffle 2, an intelligent control system and a bracket, wherein the bracket is provided with a transverse bracket 3, the emergency stop switch 1 and the touch baffle 2 are all arranged above a forming drum 4 of the forming machine, and the emergency stop switch 1 and the touch baffle 2 are arranged between the transverse bracket 3 and the forming drum 4. The intelligent control system is characterized in that the touch baffle 2 is hinged with the transverse support 3, the emergency stop switch 1 is fixedly connected with the transverse support 3, the emergency stop switch 1 is arranged behind the touch baffle 2, the contact 5 of the emergency stop switch 1 is arranged at an interval with the touch baffle 2, the intelligent control system is provided with a controller 6, and the controller 6 is respectively connected with the emergency stop switch 1 and a driving motor 7 of the forming machine through control circuits; the controller 6 acts as an intelligent control device, typically a PLC controller 6, i.e. a programmable logic controller 6. When the touch baffle 2 rotates backwards around the hinge part 8 of the touch baffle and the transverse support 3, the touch baffle 2 touches the contact 5 of the emergency stop switch 1, the emergency stop switch 1 generates a sensing signal and transmits the sensing signal to the controller 6 through a control circuit, and the controller 6 sends an instruction to control the driving motor 7 to stop rotating, so that the emergency stop of the forming drum 4 is realized.

In a preferred embodiment, the emergency stop switch 1 is fixedly connected to the transverse bracket 3 through the fixing plate 9, and the emergency stop switch 1 is more stably fixed to the transverse bracket 3 through the fixing plate 9.

As a preferred embodiment, the touch baffle 2 is hinged with the transverse bracket 3 through a connecting rod 10, the upper end of the connecting rod 10 is hinged with the transverse bracket 3, and the lower end of the connecting rod 10 is connected with the touch baffle 2; the touch screen 2 is usually hinged to the cross frame 3 by a connecting rod 10 at each of its left and right ends.

In a preferred embodiment, the touch panel 2 is provided with a metal layer 11 and a buffer layer 12 which are connected with each other, the metal layer 11 faces the rear emergency stop switch 1, the buffer layer 12 faces the front, an operator is in front of the buffer layer 12, when an accident occurs, the head or the shoulder of the operator usually collides with the touch panel 2, and the buffer layer 12 has the function of protecting the human body. More preferably, the buffer layer 12 is a silicone foam.

As a preferred embodiment, the emergency stop switch 1 may be a commercially available product, or may have the following structure: the emergency stop switch 1 is provided with an inductor 13, one end of the inductor 13 is connected with the controller 6 through a control circuit, the other end of the inductor 13 is set to be a contact connecting end 14, and the contact connecting end 14 is connected with the contact 5 through a connecting piece 15.

As a preferred embodiment, the frame is further provided with a longitudinal frame 16, the lower end of the longitudinal frame 16 being intended to be mounted on the machine box 17 of the machine, and the upper end of the longitudinal frame 16 being connected to the transverse frame 3. Further preferably, the longitudinal support 16 is a telescopic rod structure with a locking device 18. The height of the longitudinal support 16 can be conveniently adjusted according to different heights of staff, and then the height of the touch baffle 2 can be adjusted. Further preferably, the transverse support 3 and the longitudinal support 16 are both tubular structures and are communicated with each other, and the bottom of the longitudinal support 16 is communicated with the case 17; the control circuit of the emergency stop switch 1, such as a signal wire and the like, can enter through an opening at one end of the transverse bracket 3 adjacent to the signal wire, sequentially pass through the transverse bracket 3 and the longitudinal bracket 16 inside, and finally enter the case 17 to be connected with the controller 6, so that the control circuit is protected, and the emergency stop switch is simple in structure and high in practicability.

As a preferred embodiment, the intelligent control system may further include an alarm lamp and a power module, the controller 6 is further connected to the alarm lamp 20 and the power module 21 through a control line, when the controller 6 receives the sensing signal of the emergency stop switch 1, the controller 6 sends an instruction to the alarm lamp 20, and the alarm lamp 20 sends out a striking light and a loud alarm sound after receiving the instruction, so as to achieve the purpose of warning. The power module 21 is mainly a power supply and supplies power to the controller 6, the emergency stop switch 1, the driving motor 7, the alarm lamp 20 and other components requiring power.

The working principle of the utility model is as follows: in the process of tire tread fitting, a worker stands in front of the forming drum 4, attaches one end of the tire tread to the tire blank attached to the forming drum 4, tightens the other end of the tire tread backwards with force to keep the whole tire tread in a tight state, and simultaneously frequently clicks a foot switch with feet, under the power output of a driving motor 7 of a forming machine, a main shaft of the forming machine rotates to drive the forming drum 4 to rotate, so that the tire tread is tightly wound on the tire blank. In the process, when the full-speed rotation of the forming machine occurs due to the failure of the foot switch or the human misoperation, the staff is still in a state of straining the tread backwards with force, so that the hands cannot be loosened, the human body naturally leans forward along with the inertia body wound by the tread and touches the touch baffle 2 above the forming drum 4, the touch baffle 2 rotates backwards around the hinging part 8 between the touch baffle and the transverse support 3, the touch baffle 2 touches the contact 5 of the emergency stop switch 1, the sensor 13 transmits a sensing signal to the controller 6 through a control circuit, and the controller 6 controls the driving motor 7 to stop rotating, so that the emergency stop of the forming drum 4 is realized, and the personal safety of the staff is ensured.

Because the scram switch 1 is fixed on the transverse bracket 3, when the touch baffle 2 touches the scram switch 1 too violently, the scram switch 1 is easy to be damaged, in order to protect the scram switch 1 from being damaged, the utility model is further improved, and the following two solutions are adopted:

as shown in fig. 4, the contact 5 is configured as a roller, the contact connection end 14 is a strip-shaped structure, the contact 5 is connected to one end of the contact connection end 14, the contact connection end 14 is connected to the inductor 13 through a connection piece 15, the connection piece 15 is a bolt, the bolt is fastened by rotating a tool, so that the contact connection end 14 has a certain pressure and abuts against the inductor 13, when the contact 5 of the touch baffle 2 touching the emergency stop switch 1 is too violent, the formed acting force is greater than the friction force between the contact connection end 14 and the inductor 13, so that the contact connection end 14 rotates around the connection piece 15 along the trend, part of the force is buffered, and the emergency stop switch 1 is protected from being damaged to a certain extent. In the process, the contact 5 rolls for a distance at one end of the touch baffle, so that the contact 5 is protected from being damaged, and the touch baffle 2 is prevented from being scratched by the contact 5.

As shown in fig. 5, the contact 5 is configured as a roller, the contact connecting end 14 is a strip-shaped structure, the contact 5 is connected to one end of the contact connecting end 14, and the contact connecting end 14 is connected to the inductor 13 through a connecting piece 15. The connecting rod 10 is replaced by a connecting rope 19, at the moment, the touch baffle 2 is in a vertical static state under the action of gravity, and the connecting rope 19 is also in a vertical tight state. When the touch baffle 2 touches the contact 5 of the emergency stop switch 1 too hard, the formed acting force is buffered by the connecting rope 19, and the emergency stop switch 1 is protected from being damaged to a certain extent. In the process, the contact 5 rolls for a distance at one end of the touch baffle, so that the contact 5 is protected from being damaged, and the touch baffle 2 is prevented from being scratched by the contact 5.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A safety protection emergency stop device for a finger-shaped forward-wrapping capsule turn-wrapping forming machine is provided with an emergency stop switch (1), a touch baffle (2) and an intelligent control system, and is characterized by further comprising a support, wherein the support is provided with a transverse support (3), the emergency stop switch (1) and the touch baffle (2) are all arranged above a forming drum (4) of the forming machine, and the emergency stop switch (1) and the touch baffle (2) are arranged between the transverse support (3) and the forming drum (4); the touch baffle (2) is hinged with the transverse support (3), the emergency stop switch (1) is fixedly connected with the transverse support (3), the emergency stop switch (1) is arranged behind the touch baffle (2), a contact (5) of the emergency stop switch (1) is arranged at an interval with the touch baffle (2), the intelligent control system is provided with a controller (6), and the controller (6) is respectively connected with the emergency stop switch (1) and a driving motor (7) of the forming machine through control lines; when the touch baffle (2) rotates backwards around the hinge part (8) of the touch baffle and the transverse support (3), the touch baffle (2) touches the contact (5) of the emergency stop switch (1), the emergency stop switch (1) generates a sensing signal and transmits the sensing signal to the controller (6) through a control circuit, and the controller (6) controls and drives the driving motor (7) to stop rotating so as to realize emergency stop of the forming drum (4).

2. The safety protection emergency stop device for the finger forward-wrapping capsule backward-wrapping forming machine is characterized in that the emergency stop switch (1) is fixedly connected to the transverse bracket (3) through a fixing plate (9).

3. The safety protection emergency stop device for the finger forward-wrapping capsule backward-wrapping forming machine is characterized in that the touch baffle (2) is hinged with the transverse bracket (3) through a connecting rod (10), the upper end of the connecting rod (10) is hinged with the transverse bracket (3), and the lower end of the connecting rod (10) is connected with the touch baffle (2).

4. The safety protection emergency stop device for the finger forward-wrapping capsule backward-wrapping forming machine is characterized in that the touch baffle (2) is provided with a metal layer (11) and a buffer layer (12) which are connected with each other, the metal layer (11) faces to the rear part of the emergency stop switch (1), and the buffer layer (12) faces to the front part.

5. The safety protection emergency stop device for the finger-shaped forward-covering capsule backward-covering forming machine is characterized in that the buffer layer (12) is made of a silica gel foaming material.

6. The safety protection emergency stop device for the finger-shaped forward-wrapping capsule backward-wrapping forming machine is characterized in that the bracket is further provided with a longitudinal bracket (16), the lower end of the longitudinal bracket (16) is used for being installed on a machine box (17) of the forming machine, and the upper end of the longitudinal bracket (16) is connected with the transverse bracket (3).

7. The safety protection emergency stop device for the finger-shaped forward-wrapping capsule backward-wrapping forming machine is characterized in that the longitudinal support (16) is a telescopic rod structure with a locking device (18).