CN116901505A - Method for locking mold washing position of upper pressing plate of vulcanizing machine - Google Patents
Method for locking mold washing position of upper pressing plate of vulcanizing machine Download PDFInfo
- Publication number
- CN116901505A CN116901505A CN202310825953.0A CN202310825953A CN116901505A CN 116901505 A CN116901505 A CN 116901505A CN 202310825953 A CN202310825953 A CN 202310825953A CN 116901505 A CN116901505 A CN 116901505A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- upper pressing
- mold
- vulcanizing machine
- parameters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 59
- 238000005406 washing Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000010009 beating Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0662—Accessories, details or auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0662—Accessories, details or auxiliary operations
- B29D2030/0663—Mould maintenance, e.g. cleaning, washing, repairing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a mold washing position locking method for an upper pressing plate of a vulcanizing machine, and belongs to the field of tire vulcanizing equipment. When the mold washing requirement exists, the operation state is automatically switched to touch, and an operator needs to press the mold opening button to drive the upper pressing plate to drive the mold to ascend; observing the lifting height of the upper pressing plate, and determining the value of the rotary encoder by an operator when the upper pressing plate is lifted to the mold washing pause position, so as to determine the parameters of the rotary encoder required to be set when the upper pressing plate is lifted to the position; after the parameters of the rotary encoder are determined, the mold opening button is pressed, the upper pressing plate drives the mold to ascend, when the upper pressing plate moves to the mold washing pause position, the PLC control system compares the stroke parameters, when the parameters are reached, the PLC control system controls the telescopic cylinder to extend out, the cylinder rod of the telescopic cylinder is inserted into the mold washing pause hole position, at the moment, when the cylinder rod extends out to the magnetic switch position, the magnetic switch feeds back signals to the PLC control system, and the PLC control system stops the extending action of the telescopic cylinder, so that the upper pressing plate is kept at the mold washing pause position.
Description
Technical Field
The invention relates to the field of tire vulcanizing equipment, in particular to a mold washing position locking method for an upper pressing plate of a vulcanizing machine.
Background
As is well known, a hot plate type tire vulcanizer is a mainstream type of a tire vulcanizing device at present, a used mold is up to 5 tons, the mold is fixed on an upper pressing plate, the vertical lifting height of the mold can be up to eight meters by an oil cylinder, in the daily use process, an all-steel mold can cause mold dirt along with the increase of the use times, dry ice cleaning and steel ring cleaning are needed for the mold to keep the mold clean, the mold needs to be lowered to a position suitable for a person to stand in the process of cleaning the mold, and the person entering the mold needs to be in the position for a long time in the process, because the oil cylinder is sealed and the oil pressure causes the mold to slide slowly along with the time, and potential damage hidden danger can be caused to the person because the person is in the mold due to the sliding. Therefore, the mold washing locking device is added on the upright posts at two sides of the vulcanizing machine, and the mold weighing several tons can be firmly fixed at the mold washing position, so that the hidden danger of personal injury caused by the downward sliding of the mold is avoided.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the method for locking the mold washing position of the upper pressing plate of the vulcanizing machine, which can realize the safety of the operation of entering the mold, increase the safety coefficient and eliminate the hidden danger of potential injury.
The technical scheme adopted for solving the technical problems is as follows: a method for locking a mold washing position of an upper pressing plate of a vulcanizing machine uses a PLC control system to control the action of the vulcanizing machine, the vulcanizing machine comprises two vulcanizing machine upright posts and two lifting cylinders, an upper pressing plate is arranged between telescopic rods of the two lifting cylinders, a rolling gear is arranged at the bottom of the upper pressing plate and meshed with racks on the vulcanizing machine upright posts, the mold washing locking method is characterized in that mold washing pause holes are uniformly distributed on the vulcanizing machine upright posts along the vertical direction, telescopic cylinders are respectively arranged at two sides of the upper pressing plate, cylinder rods of the telescopic cylinders point to the mold washing pause holes, a magnetic switch is positioned on the telescopic cylinders, a rotary encoder is fixed on the rolling gear at the bottom of the upper pressing plate, and the rotary encoder, the magnetic switch, the lifting cylinders and the telescopic cylinders are connected with the PLC system, and the PLC control system is positioned in a power distribution cabinet and comprises the following steps:
dividing the operation gear of the vulcanizing machine into a manual position, an automatic position and a touch position, when the mold washing requirement exists, switching the operation state from automatic to touch, and pressing a mold opening button by an operator to enable an upper pressing plate to drive the mold to ascend;
an operator observes the lifting height of the upper pressing plate, and when the upper pressing plate is lifted to the mold washing pause position, the operator determines the value of the rotary encoder at the moment so as to determine the parameters of the rotary encoder required to be set when the upper pressing plate is lifted to the position;
after the parameters of the rotary encoder are determined, setting position parameters on an operation interface of a vulcanizing machine industrial personal computer, automatically writing the parameters into a PLC control system and recording the parameters, beating the vulcanizing machine operation gear to a touch gear, pressing a mold opening button, driving a mold to ascend by an upper pressing plate, comparing the stroke parameters when the vulcanizing machine operation gear is driven to a mold washing pause position by the PLC control system, controlling a telescopic cylinder to stretch out by the PLC controller when the parameters are reached, inserting a cylinder rod of the telescopic cylinder into the mold washing pause hole position, and feeding back signals to the PLC control system by the magnetic switch when the cylinder rod stretches out to a magnetic switch position, wherein the PLC control system stops the stretching action of the telescopic cylinder, so that the upper pressing plate is kept at the mold washing pause position.
The invention has the beneficial effects that the hidden danger of falling of the die is eliminated by additionally arranging the die washing locking devices on the two sides of the upright post and the upper pressing plate.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present invention.
In the figure, the mold washing pause hole is formed in the position of the mold opening top, the rotary encoder is formed in the position of the mold opening top, the telescopic cylinder is formed in the position of the rotary encoder, the telescopic cylinder is formed in the position of the upper pressing plate, the lifting cylinder is formed in the position of the lifting cylinder, the vulcanizing machine upright post is formed in the position of the mold washing pause position, and the mold washing pause position is formed in the position of the vulcanizing machine upright post.
Detailed Description
In the figure, the invention is provided with two vulcanizing machine stand columns 7 and two lifting cylinders 6, an upper pressing plate 5 is arranged between telescopic rods of the two lifting cylinders 6, a rolling gear is arranged at the bottom of the upper pressing plate 5 and meshed with racks on the vulcanizing machine stand columns 7, mold washing pause holes 1 are uniformly distributed on the vulcanizing machine stand columns 7 along the vertical direction, hoverable positions are provided for the upper pressing plate 5, telescopic cylinders 4 are respectively arranged at two sides of the upper pressing plate 5, cylinder rods of the telescopic cylinders 4 point to the mold washing pause holes 1, a magnetic switch is positioned on the telescopic cylinders 4, a rotary encoder 3 is fixed on the rolling gear at the bottom of the upper pressing plate 5, and the rotary encoder 3, the magnetic switch, the lifting cylinders 6 and the telescopic cylinders 4 are connected with a PLC system, and the PLC control system is positioned in a power distribution cabinet.
The die is fixed on the upper pressing plate 5, the die is driven by the lifting oil cylinder 6 to rise to the die opening top position 2 during working, when the die is required to be cleaned by dry ice and the steel ring is required to be cleaned, the die is driven by the lifting oil cylinder 6 to fall to the die washing pause position 8, the telescopic air cylinder 4 stretches out of the cylinder rod and is inserted into the die washing pause hole 1, the upper pressing plate weighing several tons is fixed at a hovering position together with the die, and the rotary encoders 3 are fixed on rolling gears at two sides of the upper pressing plate 5 and are used for identifying the travelling path of the upper pressing plate 5 in the lifting process of the die; the magnetic switch is positioned on the telescopic cylinder 4 and used for identifying whether the cylinder rod is inserted into the mold washing pause hole 1, and the PLC control system is used for controlling the action of the system.
The operation gear of the vulcanizing machine is divided into a manual position, an automatic position and a touch position (the position can hover after being switched to the position), when the mold washing requirement exists, an operator operates the vulcanizing machine, the operation state is automatically switched to touch, and the operator needs to press the mold opening button to enable the upper pressing plate 5 to drive the mold to ascend.
Determining a mold washing position flow: after an operator presses the mold opening button, a special person is set to observe the lifting height of the upper pressing plate 5, and when the upper pressing plate 5 is lifted to a mold washing pause position 8 shown in fig. 1, the operator determines the numerical value of the rotary encoder 3 at the moment and is used for determining the parameters of the rotary encoder which need to be set when the upper pressing plate 5 is lifted to the position.
After the parameters of the rotary encoder 3 are determined, setting position parameters on an operation interface of a vulcanizing machine industrial personal computer, automatically writing the parameters into a PLC control system and recording the parameters, beating the vulcanizing machine operation gear to a touch gear, pressing a die opening button, enabling an upper pressing plate 5 to drive a die to ascend, recording the stroke parameters of the upper pressing plate 5 by the rotary encoder 3, comparing the stroke parameters by the PLC control system when the parameters are reached, enabling a control electromagnetic valve to send an extension command to a telescopic cylinder 4 shown in FIG. 1 by the PLC control system, enabling a cylinder rod of the telescopic cylinder 4 to be inserted into a die washing pause hole 1, enabling a signal to be fed back to the PLC control system after the magnetic switch detects that the cylinder rod extends to a magnetic switch position, stopping the extending action of the telescopic cylinder 4, enabling the upper pressing plate 5 to be kept at the die washing pause position 8 shown in FIG. 1, and preventing the upper pressing plate 5 from sliding down integrally due to the fact that the cylinder rod of the telescopic cylinder 4 is fixed with the die washing pause hole 1 when the oil pressure of the lifting cylinder 6 is changed.
Claims (1)
1. A method for locking a mold washing position of an upper pressing plate of a vulcanizing machine uses a PLC control system to control the action of the vulcanizing machine, the vulcanizing machine comprises two vulcanizing machine upright posts and two lifting cylinders, an upper pressing plate is arranged between telescopic rods of the two lifting cylinders, a rolling gear is arranged at the bottom of the upper pressing plate and meshed with racks on the vulcanizing machine upright posts, the mold washing locking method is characterized in that mold washing pause holes are uniformly distributed on the vulcanizing machine upright posts along the vertical direction, telescopic cylinders are respectively arranged at two sides of the upper pressing plate, cylinder rods of the telescopic cylinders point to the mold washing pause holes, a magnetic switch is positioned on the telescopic cylinders, a rotary encoder is fixed on the rolling gear at the bottom of the upper pressing plate, and the rotary encoder, the magnetic switch, the lifting cylinders and the telescopic cylinders are connected with the PLC system, and the PLC control system is positioned in a power distribution cabinet and comprises the following steps:
dividing the operation gear of the vulcanizing machine into a manual position, an automatic position and a touch position, when the mold washing requirement exists, switching the operation state from automatic to touch, and pressing a mold opening button by an operator to enable an upper pressing plate to drive the mold to ascend;
an operator observes the lifting height of the upper pressing plate, and when the upper pressing plate is lifted to the mold washing pause position, the operator determines the value of the rotary encoder at the moment so as to determine the parameters of the rotary encoder required to be set when the upper pressing plate is lifted to the position;
after the parameters of the rotary encoder are determined, setting position parameters on an operation interface of a vulcanizing machine industrial personal computer, automatically writing the parameters into a PLC control system and recording the parameters, beating the vulcanizing machine operation gear to a touch gear, pressing a mold opening button, driving a mold to ascend by an upper pressing plate, comparing the stroke parameters when the vulcanizing machine operation gear is driven to a mold washing pause position by the PLC control system, controlling a telescopic cylinder to stretch out by the PLC controller when the parameters are reached, inserting a cylinder rod of the telescopic cylinder into the mold washing pause hole position, and feeding back signals to the PLC control system by the magnetic switch when the cylinder rod stretches out to a magnetic switch position, wherein the PLC control system stops the stretching action of the telescopic cylinder, so that the upper pressing plate is kept at the mold washing pause position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310825953.0A CN116901505A (en) | 2023-07-07 | 2023-07-07 | Method for locking mold washing position of upper pressing plate of vulcanizing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310825953.0A CN116901505A (en) | 2023-07-07 | 2023-07-07 | Method for locking mold washing position of upper pressing plate of vulcanizing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116901505A true CN116901505A (en) | 2023-10-20 |
Family
ID=88365963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310825953.0A Pending CN116901505A (en) | 2023-07-07 | 2023-07-07 | Method for locking mold washing position of upper pressing plate of vulcanizing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116901505A (en) |
-
2023
- 2023-07-07 CN CN202310825953.0A patent/CN116901505A/en active Pending
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