CN217454601U - Flat vulcanizing machine - Google Patents

Abstract

The utility model discloses a vulcanizing press, include: a first mold; a second mold disposed opposite to the first mold and allowing the second mold to be closed with the first mold; a power device connected to the first mold and the second mold; the electric control device is electrically connected to the power device so as to drive the first mold and the second mold to be closed or opened; and the crosslinking degree testing device is electrically connected with the electric control device. The utility model discloses a plate vulcanizing machine can improve the performance stability of rubber vulcanization yields and rubber products.

Description

Flat vulcanizing machine

Technical Field

The utility model relates to a vulcanizer technical field, in particular to plate vulcanizer.

Background

The vulcanizing machine is processing equipment for vulcanizing uncrosslinked rubber, and through a vulcanization process, a crosslinked network structure is formed among molecular chains of the rubber, so that high elasticity is endowed to a product. The operation process of the vulcanizing machine comprises the stages of closing the upper mold and the lower mold, vacuumizing, pressurizing, timing vulcanizing, opening the mold and the like, and the uncrosslinked rubber is heated and vulcanized in the mold to form a crosslinked network structure. The positive vulcanization time for the same batch of uncrosslinked rubber to reach a predetermined crosslinking degree in the mold of the vulcanizer is also different due to the difference in storage time, the difference in storage conditions, the difference in mixing uniformity, the difference in temperature and humidity in the ambient production environment, and the difference in the time for the operator to swing the rubber in the mold.

At present, the vulcanization time of the same batch of uncrosslinked rubber in a mold is fixed, and the vulcanization time cannot be dynamically adjusted according to the crosslinking degree of rubber in the vulcanization mold every time, so that the mechanical property of a rubber product is unstable, and even quality defects such as bubbles, layering, mold closing line width or radial flow marks occur. Therefore, the design of a vulcanizing machine capable of adjusting the positive vulcanization time is a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plate vulcanizing machine can real time monitoring sizing material cross-linking degree in the vulcanizer, and the positive vulcanization time of intelligent control improves the stability of rubber products.

The utility model provides a vulcanizing press, it includes at least:

a first mold;

a second mold disposed opposite to the first mold and allowing the second mold to be closed with the first mold;

a power device connected to the first mold and the second mold;

the electric control device is electrically connected to the power device so as to drive the first mold and the second mold to be closed or opened; and

and the crosslinking degree testing device is electrically connected with the electric control device.

In an embodiment of the present invention, the press vulcanizer includes a first mold base and a second mold base, and the first mold base and the second mold base are relatively disposed at both ends of the press vulcanizer.

In an embodiment of the present invention, the power device is fixedly disposed on the first mold base and/or the second mold base.

In an embodiment of the present invention, the vulcanizing press includes a first heating device, and the first heating device is fixedly connected to the power device.

In an embodiment of the present invention, a first heating sensor and a vacuum pumping pipeline are disposed in the first heating device.

In an embodiment of the present invention, the vulcanizing press includes a second heating device, and the second heating device is disposed opposite to the first heating device.

In an embodiment of the present invention, a second heating sensor and a cooling gas circuit pipeline are disposed in the second heating device.

In an embodiment of the present invention, the cross-linking degree testing device is a torque sensor, and the torque sensor is disposed in the first mold and/or the second mold.

In an embodiment of the present invention, the torque sensor is perpendicular to the plane where the first mold or the second mold is located, and allows the torque sensor to swing back and forth with a swing angle of 0.3-1 °.

In an embodiment of the present invention, the vulcanizing press includes an exhaust device, and the exhaust device is fixedly disposed on the top of the vulcanizing press.

The utility model provides a pair of plate vulcanizing machine can detect the cross-linking degree of rubber in the mould in real time, adjusts positive vulcanization time in real time. The optimal positive vulcanization time of each vulcanization is intelligently set, so that the problem that the product quality is unstable due to overlong positive vulcanization time or the fact that the positive vulcanization time cannot reach the positive vulcanization time due to errors of manpower, machines, sizing materials, environment and operation methods is solved. The instrument is simple to use, has no requirement on the proficiency of operators, can improve the yield of finished products, avoids the waste of production energy consumption, and improves the production efficiency. To sum up, the utility model provides a pair of plate vulcanizing machine can intelligent adjustment the vulcanization time of every batch sizing material, improves the yields of rubber production and the stability of rubber products performance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a press vulcanizer according to an embodiment.

FIG. 2 is a partial schematic view of a press vulcanizer according to an embodiment.

FIG. 3 is a partial schematic view of a press vulcanizer according to an embodiment.

Description of reference numerals:

1 a vulcanizer base; 2 a first mold base; 3, a frame; 4, a protective door; 5, a shell; 6 a first power device; 7 a first heating device; 701 vacuumizing a pipeline; 702 a first heating sensor; 8 a first mold; a 801 mould cavity; 9 a cross-linking degree testing device; 10 a second mold; 11 a second heating device; 111 cooling gas circuit pipelines; 112 a second heating sensor; 12 a second power plant; 13 an electric control device; 14 a power plant; 15 a second mold base; 16 exhaust ports; 17 an exhaust duct; 18 exhaust means.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the conditions that the present disclosure can be implemented, so that the present disclosure has no technical essence, and any modification of the structures, changes of the ratio relationships, or adjustment of the sizes, should fall within the scope that the present disclosure can cover without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms may be changed or adjusted without substantial technical change.

Referring to fig. 1, the flat vulcanizing machine of the present invention includes a first mold 8, a second mold 10, a cross-linking degree testing device 9, an electric control device 13, and a power device 14. The crosslinking degree testing device 9 is arranged in the first mold 8 or the second mold 10, monitors the crosslinking degree of the rubber between the first mold 8 and the second mold 10 in real time, and feeds data back to the electric control device 13, so that the vulcanization time is adjusted. The electric control device 13 can control the opening and closing of the first mold 8 and the second mold 10 through the power device 14, the molds are arranged on the heating platform, the rubber materials are vulcanized under certain temperature and pressure, and the vulcanization time is regulated and controlled according to the crosslinking degree of the rubber materials.

Referring to fig. 1, in an embodiment of the present invention, the vulcanizing press includes a vulcanizing press base 1, and the vulcanizing press base 1 can be placed on the ground or set on other equipment, which can be specifically selected according to actual application scenarios. In the present embodiment, the vulcanizer base 1 is configured to be rectangular, for example, and the vulcanizer base 1 is made of a metal material, for example, in other embodiments, the shape and the material of the vulcanizer base 1 can be flexibly selected. Frames 3 having equal heights are provided at four corners of the vulcanizer base 1, and the frames 3 are fixed to the vulcanizer base 1 by, for example, welding, integral molding, bolting, or bonding. The utility model discloses do not restrict the material and the fixed mode of frame 3, in this embodiment, metal frame is selected for example to frame 3, fixes at vulcanizer base 1 through welding mode.

Referring to fig. 1, in an embodiment of the present invention, a housing 5 is disposed between the frames 3, i.e. the periphery of the press is surrounded by the housing 5 to form a chamber for accommodating a vulcanizing mold and other components. In the present embodiment, the housing 5 is made of, for example, a metal material, and the housing 5 is fixed to the frame 3 by, for example, providing a sliding groove (not shown) in the frame 3 and providing the sliding groove with the housing 5. In other embodiments, the housing 5 is fixed to the frame 3, for example by welding or the like. Be provided with guard gate 4 on shell 5, and guard gate 4 sets up on shell 5 with the adjacent one side that sets up electrically controlled device 13, sets up the windowing promptly on shell 5, sets up guard gate 4 in the windowing. In the present embodiment, the protection door 4 is made of, for example, organic glass material, and for example, organic glass material with light transmittance of, for example, 92-98% and elastic modulus of, for example, 400-600 psi is selected, and for example, polymethyl methacrylate and other materials are selected. The protective door 4 is opened and closed by, for example, sliding up and down. In other embodiments, the protective door 4 may be made of other transparent materials, and may be opened and closed in other manners. Through setting up shell 5 and guard gate 4, in vulcanizer working process, guarantee staff's safety, and set up transparent guard gate 4, can look over the vulcanization state of vulcanizer in real time, get material and blowing.

Referring to fig. 1 and 2, in an embodiment of the present invention, a first mold base 2 is disposed on a vulcanizer base 1, and the first mold base 2 is made of a metal material, for example, and the first mold base 2 is fixed on the vulcanizer base 1 by welding or the like. At the end of the vulcanizer opposite to the first mold base 2, a second mold base 15 is provided, and the second mold base 15 is made of, for example, a metal material, and the second mold base 15 is fixed to the frame 3, for example, by welding or the like.

Referring to fig. 1, in an embodiment of the present invention, an exhaust device 18 is disposed on the second mold base 15, and the exhaust device 18 includes an exhaust port 16 and an exhaust duct 17. Wherein the exhaust opening 16 is provided with a conical shape, such as a conical shape or a pyramidal shape, and the exhaust opening 16 is fixedly connected to the second mold base 15, and the exhaust opening 16 is made of the same material as the housing 5. In this embodiment, the exhaust device 18 and the housing 5 can be replaced according to the wear situation. An exhaust pipeline 17 is arranged at the air outlet end of the exhaust port 16, and the exhaust pipeline 17 conveys gas generated in the vulcanization process to an exhaust gas treatment device so as to perform exhaust gas treatment. Through setting up exhaust apparatus 18, avoid generating the gathering of output waste gas in the workshop to can be better carry out exhaust-gas treatment, guarantee staff's personal safety promptly, accord with the state again and to exhaust-gas treatment's management regulation, realize green and generate.

Referring to fig. 1, in an embodiment of the present invention, an electric control device 13 is disposed on a housing 5 of a vulcanizer, and the electric control device 13 is disposed near a vulcanizer base 1. The electric control device 13 can control the closing and opening of the upper and lower molds, display the temperature, pressure, time of vulcanization and analyze the degree of crosslinking, and the like of the vulcanizing machine can be controlled by the electric control device 13. In this embodiment, the housing of the electric control device 13 is provided with an exhaust grid to prevent the risk of personnel injury or equipment short circuit caused by overheating of the electric control device during the operation of the vulcanizing machine.

Referring to fig. 1 and 2, in an embodiment of the present invention, a power device 14 is disposed between the mold base and the mold, and the power device 14 is electrically connected to the electric control device 13 to control the mold closing and opening of the mold. In the present embodiment, the power device 14 includes a first power device 6 and a second power device 12, wherein the first power device 6 is fixedly connected to the first mold base 2, and the second power device 12 is fixedly connected to the second mold base 15, and the fixing manner is, for example, a bolt connection or the like. In this embodiment, for example, the first power device 6 and the second power device 12 are hydraulic cylinders, and the hydraulic cylinders can provide hydraulic pressure of 240 to 350Kg, for example, in the vulcanization process, the second power device 12 can work to perform mold closing or mold opening, and similarly, the first power device 6 and the second power device 12 can work together to perform mold closing or mold opening. In other embodiments, the power unit 14 is provided with only one first power unit 6, for example, and the first power unit 6 is a hydraulic cylinder or a slide rail, for example, and mold closing or mold opening is controlled by the first power unit 6, and similarly, the power unit 14 is provided with only one second power unit 12, for example, and the second power unit 12 is a hydraulic cylinder or a slide rail, for example, and mold closing or mold opening is controlled by the second power unit 12. The utility model discloses in, the number and the type of power device can be selected according to concrete equipment.

Referring to fig. 1 and 3, in an embodiment of the present invention, a first heating device 7 is disposed on the first power device 6, the first heating device 7 is electrically connected to the electric control device 13, and the first heating device 7 is fixed on the first power device 6 by a fixing method such as bolting. The vacuum-pumping pipeline 701 and the first heating sensor 702 are arranged in the first heating device 7, and the vacuum-pumping pipeline 701 and the first heating sensor 702 can be arranged at any position in the first heating device 7, in this embodiment, the vacuum-pumping pipeline 701 and the first heating sensor 702 are symmetrically arranged. The vacuum line 701 and the first heating sensor 702 are electrically connected to the electronic control device 13, and can perform heating and vacuum operations. After the vulcanization is completed, the vacuumizing pipeline 701 can also be used as an air pipeline, so that the mold can be rapidly cooled, the cooling time is shortened, and the working efficiency is improved.

Referring to fig. 1 and 3, in an embodiment of the present invention, a second heating device 11 is disposed on the second power device 12, the second heating device 11 is electrically connected to the electric control device 13, and the second heating device 11 is fixed on the second power device 12 by a fixing method such as bolt connection. A cooling gas circuit 111 and a second heating sensor 112 are disposed in the second heating device 11, and the cooling gas circuit 111 and the second heating sensor 112 may be disposed at any position in the second heating device 11, in this embodiment, the cooling gas circuit 111 and the second heating sensor 112 are symmetrically disposed. The cooling gas circuit pipeline 111 and the second heating sensor 112 are electrically connected to the electric control device 13, so that the heating temperature of the mold can be controlled, and the temperature reduction of the rubber material is promoted after the vulcanization is completed.

Referring to fig. 1 and 3, in an embodiment of the present invention, a first mold 8 is disposed on a first heating device 7, a second mold 10 is disposed on a second heating device 11, the first mold 8 and the second mold 10 are disposed opposite to each other, and the first mold 8 and the second mold 10 are matched. The first mold 8 is fixed to the first heating device 7 in a detachable manner, for example, by bolting, and the second mold 10 is fixed to the second heating device 11 in a detachable manner, for example, by bolting. The mould can be replaced according to the requirements of the size and the shape of the manufactured rubber. In this embodiment, the first mold 8 and the second mold 10 are metal molds, and the metal molds are subjected to an annealing process and a metal plating process is performed on the surfaces of the molds, for example, a plating process is used to plate chrome on the surfaces of the molds, so as to improve the chemical stability of the molds and reduce the friction coefficient of the surfaces of the molds. The mechanical property, heat resistance, chemical stability and the like of the die are improved by annealing and coating the die.

Referring to fig. 1 and 3, in an embodiment of the present invention, a maximum distance between the first mold 8 and the second mold 10 is, for example, 450 to 700mm, that is, a sum of strokes of the first mold 8 and the second mold 10 during mold closing and mold opening is, for example, 450 to 700 mm. The first mold 8 is provided with a mold cavity 801 for placing rubber, and the shape of the mold cavity 801 is not limited, for example, the mold cavity 801 is circular, rectangular or polygonal, and is specifically selected according to the preparation requirement of rubber.

Referring to fig. 1 and 3, in an embodiment of the present invention, a plurality of cross-linking degree testing devices 9 are uniformly disposed in the mold, and the cross-linking degree testing devices 9 are electrically connected to the electric control device 13. And the crosslinking degree testing device 9 is disposed in the first mold 8, in other embodiments, the crosslinking degree testing device 9 may also be disposed in the second mold 10, or disposed in both the first mold 8 and the second mold 10. In the present embodiment, the cross-linking degree testing device 9 is, for example, a torque sensor, and the shape of the torque sensor is, for example, a cylinder, and the diameter of the cylinder is, for example, 0.4-1 mm. The torque sensor is arranged perpendicular to the plane of the first mold 8, and allows the torque sensor to swing back and forth at a swing angle of 0.3-1 DEG, for example, 0.5 DEG, so as to detect the degree of crosslinking of rubber in the mold. In other embodiments, the crosslinking degree testing device 9 may also be provided as other devices, for example, as an X-ray testing device or a nuclear magnetic measuring device, etc. In the working process of the vulcanizing machine, the crosslinking degree testing device 9 detects the crosslinking degree of crosslinking, synchronizes the detected information into the electric control device 13, synchronously processes data through the electric control device 13, and regulates and controls the positive vulcanization time of the rubber material in real time according to the crosslinking degree of the rubber material. When the positive vulcanization time of the rubber is reached, the electric control device 13 gives a die opening instruction, the first power device 6 and the second power device 12 are started, the first die 8 and the second die 10 are opened, after the dies reach the preset position, the protective door 4 of the vulcanizing machine is opened, the electric control device 13 opens the cooling gas circuit pipeline 111 in the second heating device 11, the vulcanized rubber is cooled, and the vulcanized rubber material in the die cavity 801 is taken out. Through setting up the crosslinking degree testing arrangement, but the crosslinking degree of real-time detection sizing material in the mould, just vulcanization time is adjusted according to the crosslinking degree of sizing material, improves the stability of performance of rubber products, reduces because of just vulcanization time overlength or can not reach the unstable product quality that leads to of just vulcanization time. And the vulcanizing machine can intelligently set the optimal positive vulcanization time of each batch of rubber, so that the influence of manual work, machines, rubber, environment or operation method errors on the rubber vulcanization time is reduced. And the positive vulcanization time of the rubber material in the mold is dynamically adjusted, so that the method is simple to use, has no requirement on the proficiency of operators, can improve the yield of finished products, avoids the waste of rubber production energy consumption, and improves the production efficiency.

In order to further explain the flat vulcanizing machine of the present invention, two methods of using the flat vulcanizing machine of the present invention are specifically explained below.

Referring to fig. 1, a method for using a press vulcanizer is as follows: the vulcanizing press equipment is powered on, the first power unit 6 to which the first mold 8 is connected is run to the bottom of the vulcanizing press, the second power unit 12 to which the second mold 10 is connected is run to the top of the vulcanizing press, and the stroke of the first mold 8 and the second mold 10 is, for example, 500 mm. The first heating sensor 702 is activated to heat the first mold 8, the second heating sensor 112 is activated to heat the second mold 10, and the first mold 8 and the second mold 10 are heated to a predetermined temperature. The cross-linking degree test device 9 is activated and the uncross-linked gum material is placed in the cavity 801 of the first mould 8 and the venting device 18 is opened. And starting the first power device 6 and the second power device 12, closing the first mold 8 and the second mold 10, opening the protective door 4, opening the vacuumizing pipeline 701, and enabling the rubber to enter a vulcanization stage. The crosslinking degree testing device 9 transmits the data of the detected crosslinking degree to the electric control device 13, and according to the analysis of the electric control device 13, if the positive vulcanization time of the rubber is reached, the first mold 8 and the second mold 10 of the vulcanizing machine are opened under the operation of the upper power device 14. After the mold reaches a preset position, the protective door 4 of the vulcanizing machine is opened, the electric control device 13 starts the cooling gas circuit pipeline 111 on the second heating device 11, the vulcanized rubber material in the mold cavity 801 is taken out after cooling, and the steps are repeated to produce the rubber products of the next batch.

Referring to fig. 1, another method of using the press is as follows: the power supply of the press machine apparatus is turned on, the first power unit 6 is operated to the bottom of the press, the second power unit 12 is kept in a stationary state, and the stroke of the first power unit 6 is 450mm, for example. The first mold 8 and the second mold 10 are placed in a press vulcanizer and fixed by bolts. The first heating sensor 702 is activated to heat the first mold 8, the second heating sensor 112 is activated to heat the second mold 10, and the first mold 8 and the second mold 10 are heated to a predetermined temperature. When the first mold 8 and the second mold 10 reach the predetermined temperature, the crosslinking degree testing device 9 in the mold cavity 801 is started, the uncrosslinked rubber is placed in the mold cavity 801 in the first mold 8, and the exhaust device 18 is started. And starting the first power device 6, closing the first mold 8 and the second mold 10, opening the protective door 4, opening the vacuumizing pipeline 701, and enabling the rubber to enter a vulcanization stage. The crosslinking degree testing device 9 transmits the data of the detected crosslinking degree to the electric control device 13, and according to the analysis of the electric control device 13, if the positive vulcanization time of the rubber is reached, the first mold 8 and the second mold 10 of the vulcanizing machine are opened under the operation of the upper power device 14. After the mold reaches a predetermined position, the protective door 4 of the vulcanizing machine is opened, the electric control device 13 opens the cooling air circuit pipeline 111 on the second heating device 11, and simultaneously opens the vacuum-pumping pipeline 701, a large amount of cooling air is introduced to accelerate the cooling of the mold, after cooling, the rubber material vulcanized in the mold cavity 801 is taken out, and the first mold 8 and the second mold 10 are taken out from the flat vulcanizing machine. And (5) replacing a new mold, and repeating the steps to produce rubber products of other models.

To summer up, the embodiment of the utility model provides a pair of curing press adds the cross-linking degree testing arrangement in the curing press, implements the vulcanization time of regulating and controlling every batch sizing material through electrically controlled device, realizes intelligent regulation and control vulcanization time, reduces the rubber production yields decline problem that vulcanization time deviation caused, improves production efficiency.

The embodiment of the present invention disclosed above is only used to help illustrate the present invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. A press vulcanizer characterized by comprising:

a first mold;

a second mold disposed opposite to the first mold and allowing the second mold to be closed with the first mold;

a power device connected to the first mold and the second mold;

the electric control device is electrically connected to the power device so as to drive the first mold and the second mold to be closed or opened; and

the cross-linking degree testing device is electrically connected with the electric control device;

wherein: the cross-linking degree testing device is a torque sensor, and the torque sensor is arranged in the first mold and/or the second mold.

The torque sensor is perpendicular to the plane where the first mold or the second mold is located, and the torque sensor is allowed to swing back and forth at a swing angle of 0.3-1 degrees.

2. A press as claimed in claim 1, characterized in that the press comprises a first and a second mold base, and the first and the second mold base are oppositely disposed at both ends of the press.

3. A press as claimed in claim 2, characterised in that the power unit is fixedly arranged on the first and/or second mould base.

4. A press as claimed in claim 1, characterized in that it comprises a first heating device, and in that said first heating device is fixedly connected to said power unit.

5. The press according to claim 4, wherein a first heating sensor and a vacuum line are provided in said first heating device.

6. A press as claimed in claim 4, characterized in that it comprises a second heating device, and the second heating device is disposed opposite to the first heating device.

7. The press according to claim 6, wherein a second heating sensor and a cooling gas circuit are provided in the second heating device.

8. The press according to claim 1, characterized in that it comprises an exhaust device, and in that said exhaust device is fixedly arranged on top of said press.

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