CN105728538A - Manufacturing system and method for Venturi valve - Google Patents

Abstract

The invention relates to a manufacturing system and method for a Venturi valve. The manufacturing system comprises a base, a high-pressure generation device, a Venturi valve manufacturing mold, a supporting frame, an actuator, a controller and a mold locking device and has the beneficial effects that a residual material cavity is formed in the Venturi valve manufacturing mold; by accurately calculating the sizes needed by materials, the finally manufactured Venturi valve can meet the accurate size requirements; different pressure media are selected for the high-pressure generation device according to the different manufacturing materials of the Venturi valve, and the media are injected into the Venturi valve manufacturing mold continuously after the materials are molded for at least 50 seconds, so that material sizing is more thorough, and the accuracy, sealing performance, deformation resistance and other properties of the Venturi valve are improved.

Description

Venturi valve manufacturing system and manufacturing method thereof

technical field

The invention relates to the technical field of Venturi valves, in particular to a Venturi valve manufacturing system with simple and scientific structure and high manufacturing precision and a manufacturing method thereof.

Background technique

Venturi airflow control valves extend airflow control to the highest level thanks to their combination of a mechanical pressure independent regulator with a high speed airflow controller. Through aerodynamic design, the valve has quiet operation performance. The quick-response automatic pressure balance device provides reliable control of fume hood dust collection and indoor pressure. Venturi valve has the characteristics of not being affected by changes in air duct pressure, wide air volume control range from 60m3/h to 10,000m3/h, quick response (less than 1 second), and accurate adjustment (±5%), etc., and is widely used in certain Some biological product production plants, toxic and harmful, chemical laboratories and biological safety laboratories (such as P3 level biological laboratories) that require negative pressure control. Because personal safety needs to be considered, the differential pressure control of the system must be of high precision and high reliability. Therefore, Venturi valves with excellent sealing and deformation resistance are an inevitable trend of market development. However, the Venturi valves currently on the market are mainly made of aluminum alloy, which has insufficient sealing and deformation resistance.

In order to solve the above-mentioned problems, the inventor of this case developed a new type of Venturi valve manufacturing system and its manufacturing method based on his own experience.

Contents of the invention

The Venturi valve manufacturing system and manufacturing method provided by the present invention not only have a scientific and reasonable structure, but also have significant progress in the anti-deformation and sealing ability of the Venturi valve compared with the prior art.

The technical problem solved by the present invention adopts following technical scheme to realize:

A Venturi valve manufacturing system, the system includes a base, a high-pressure generating device, and a controller, and is characterized in that a freely replaceable Venturi valve manufacturing mold and a mold for erecting a Actuator bracket;

Wherein, the actuator suspends a mold locking device for locking the Venturi valve manufacturing mold above the Venturi valve manufacturing mold through a retractable or crimped lifting member;

The high-pressure generating device injects high-pressure water or high-pressure gas from the bottom or top of the Venturi valve manufacturing mold into the Venturi valve manufacturing mold through a high-pressure delivery pipe.

The venturi valve manufacturing mold is an open and close barreled manufacturing mold with a locking structure;

On the inner top of the mold for making the Venturi valve, there is also a residual material chamber for containing the residual material of the Venturi valve.

An intelligent control valve for intelligently controlling the flow of high-pressure water or high-pressure gas into the high-pressure delivery pipe is also provided on the high-pressure generating device.

The actuator is a motor controlled by a frequency converter or a servo driver, or an oil hydraulic power device controlled by an oil hydraulic machine.

The controller is set on the base, or on the high voltage generating device, or on the support, or is a hand-held intelligent terminal controller.

The present invention also provides a method for manufacturing a Venturi valve, the method comprising the following steps:

Step S001, calculating the size of the venturi valve manufacturing material according to the deformation coefficient of the venturi valve manufacturing material, so as to meet the deformation requirement;

Step S002, cutting the Venturi valve manufacturing material according to the size calculated in the above step S001;

Step S003, open the Venturi valve manufacturing mold, put the Venturi valve manufacturing material cut in the above step S002 into the Venturi valve manufacturing mold, close and lock the Venturi valve manufacturing mold;

Step S004, operating the controller to make the actuator on the bracket drive the mold clamping device to descend and tightly lock the Venturi valve to make the mold;

Step S005, operate the controller, open the intelligent control valve on the high-pressure generating device, continuously inject water or air into the venturi valve manufacturing mold through the high-pressure delivery pipe, and make the internal pressure of the venturi valve manufacturing mold When the preset value is reached, the Venturi valve manufacturing material put into the Venturi valve manufacturing mold through the above step S003 is reversed and deformed, and is closely attached to the inner wall of the Venturi valve manufacturing mold;

Step S006, after the Venturi valve production material in the Venturi valve production mold is fully deformed and formed, keep the high pressure and constant pressure in the Venturi valve production mold for not less than 50 seconds, and then operate the controller to The Venturi valve is used to release pressure in the mold and turn off the intelligent control valve;

Step S007, operating the controller to make the actuator on the support drive the clamping device to rise above the Venturi valve manufacturing mold as a whole;

Step S008, opening the Venturi valve manufacturing mold, and taking out the formed Venturi valve.

The invention has the beneficial effects that: in the manufacturing mold of the Venturi valve manufacturing system, there is a residual material cavity, and the required size is calculated through the deformation coefficient of the material, so that the finally manufactured Venturi valve can meet the precise size requirements; For different venturi valve materials, the high-pressure device selects different pressure media, and continuously injects the above media into the Venturi valve mold for not less than 50 seconds after the material is formed, so that the material can be shaped more thoroughly and the accuracy of the Venturi valve can be improved. , sealing, anti-deformation and other properties.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only These are some implementations of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative efforts.

Fig. 1 is the overall structure schematic diagram of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of the remaining material chamber 32 in Embodiment 1 and Embodiment 2 of the present invention;

FIG. 3 is a schematic diagram of the overall structure of Embodiment 2 of the present invention.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

Embodiment 1, the Venturi valve is made of stainless steel, and the injection medium is water.

Referring to the Venturi valve manufacturing system shown in FIG. 1 , the system includes a base 1 , a high-pressure generator 2 , a Venturi valve manufacturing mold 3 , a bracket 4 , an actuator 5 , a controller 6 , and a mold clamping device 7 .

The high-pressure generating device 2 injects high-pressure water from the bottom or top of the Venturi valve manufacturing mold 3 through a high-pressure delivery pipe 8, and injects water with a volume of about 200-500 tons into the venturi valve manufacturing mold 3. Water, the stainless steel Venturi valve manufacturing material represented by 304 is reversed and deformed until the stainless steel material is completely attached to the inner wall of the Venturi valve manufacturing mold 3 . An intelligent control valve 9 for intelligently controlling the flow of high-pressure water into the high-pressure delivery pipe 8 is also provided on the high-pressure generating device 2 .

The Venturi valve manufacturing mold 3 is an open-close barreled manufacturing mold with a locking structure 31, and the Venturi valve manufacturing mold 3 can be freely detachably installed on the base 1 to realize different manufacturing methods. Free replacement when venturi valve. The Venturi valve manufacturing mold 3 is installed in the mold fixture on the base 1 (the fixture is a common component in this technical field, and is not shown in the drawings in this embodiment). A residual material cavity 32 (as shown in FIG. 2 ) for accommodating the residual material of the Venturi valve is also provided at the inner top of the mold 3 for making the Venturi valve.

A bracket 4 for erecting an actuator 5 is also installed on the base 1. The actuator 5 is an oil hydraulic power device controlled by an oil hydraulic machine. The actuator 5 passes a telescopic or The crimped lifting member 10 suspends a clamping device 7 for locking the Venturi valve manufacturing mold 3 above the Venturi valve manufacturing mold 3 .

The controller 6 is installed on the base 1, or on the high-voltage generating device 2, or on the bracket 4, or is a hand-held intelligent terminal controller for controlling the high-voltage Parameters such as water injection time, duration, and pressure, as well as intelligent control of the rising or falling time and locking pressure of the mold clamping device 7 .

Corresponding to Embodiment 1, the present invention also proposes a method for manufacturing a Venturi valve, which method includes the following steps:

Step S001, calculate the size of the Venturi valve manufacturing material according to the deformation coefficient of the Venturi valve manufacturing material to meet the deformation requirements (the selected Venturi valve manufacturing materials in the present invention are mainly 304, 308 and other stainless steel materials to meet high The strength of the compressive needs);

Step S002, cutting the Venturi valve manufacturing material according to the size calculated in the above step S001;

Step S003, open the Venturi valve manufacturing mold 3, put the Venturi valve manufacturing materials cut in the above step S002 into the Venturi valve manufacturing mold 3, close and lock the Venturi valve manufacturing mold 3 ;

Step S004, in order to meet the requirements of forming and locking metal materials, the present invention preferably selects the hydraulic power device 5A controlled by the hydraulic press as the actuator 5, and operates the controller 6 to make the hydraulic power device on the bracket 4 5A (as shown in Figure 1) drives the clamping device 7 to descend and tightly locks the Venturi valve to make the mold 3, wherein the oil pressure volume for maintaining pressure is about 500-1000 tons;

Step S005, operate the controller 6, open the intelligent control valve 9 on the high-pressure generating device 2, and continuously inject high-pressure water into the Venturi valve manufacturing mold 3 through the high-pressure delivery pipe 8, and the volume of water injected is about 200- 500 tons, and make the internal pressure of the Venturi valve manufacturing mold 3 reach the preset value, and then the Venturi valve manufacturing material put into the Venturi valve manufacturing mold 3 through the above step S003 is reversed and deformed, and is combined with The venturi valve making mold 3 inner wall is close to;

Step S006, after the Venturi valve production material in the Venturi valve production mold 3 is fully deformed and formed, maintain the high pressure and constant pressure in the Venturi valve production mold 3 for not less than 50 seconds, and then operate the control The device 6 releases the pressure in the mold 3 for making the Venturi valve, and turns off the intelligent control valve 9;

Step S007, operating the controller 6 to make the actuator 5 on the support 4 drive the clamping device 7 to rise above the Venturi valve manufacturing mold 3 as a whole;

Step S008, opening the Venturi valve manufacturing mold 3, and taking out the formed Venturi valve.

Embodiment 2, the Venturi valve is made of plastic, and the injection medium is air.

Referring to the Venturi valve manufacturing system shown in FIG. 3 , the system includes a base 1 , a high-pressure generating device 2 , a Venturi valve manufacturing mold 3 , a bracket 4 , an actuator 5 , a controller 6 , and a mold clamping device 7 .

The high-pressure generating device 2 injects high-pressure air from the bottom or top of the Venturi valve manufacturing mold 3 into the Venturi valve manufacturing mold 3 through a high-pressure delivery pipe 8, and the Venturi valve manufacturing material of non-metallic material Deformation is performed until the non-metallic material is completely attached to the inner wall of the Venturi valve manufacturing mold 3 . An intelligent control valve 9 for intelligently controlling the flow of high-pressure water into the high-pressure delivery pipe 8 is also provided on the high-pressure generating device 2 .

The Venturi valve manufacturing mold 3 is an open-close barreled manufacturing mold with a locking structure 31, and the Venturi valve manufacturing mold 3 can be freely detachably installed on the base 1 to realize different manufacturing methods. Free replacement when venturi valve. The Venturi valve manufacturing mold 3 is installed in the mold fixture on the base 1 (the fixture is a common component in this technical field, and is not shown in the drawings in this embodiment). A residual material cavity 32 (as shown in FIG. 2 ) for accommodating the residual material of the Venturi valve is also provided at the inner top of the mold 3 for making the Venturi valve.

Also installed on the base 1 is a support 4 for erecting the actuator 5, the actuator 5 is a motor 5B controlled by a frequency converter or a servo drive (as shown in Figure 3), and the actuator 5 is controlled by a frequency converter or a servo drive. The actuator 5 suspends a mold clamping device 7 for locking the venturi valve manufacturing mold 3 above the venturi valve manufacturing mold 3 through a retractable or crimped lifting member 10 .

The controller 6 is installed on the base 1, or on the high-voltage generating device 2, or on the bracket 4, or is a hand-held intelligent terminal controller for controlling the high-voltage Water injection time, duration, pressure and other parameters, as well as intelligent control of the rising or falling time and locking pressure of the clamping device 7.

Corresponding to Embodiment 2, the present invention also proposes a method for making a Venturi valve, which method includes the following steps:

Step S001, calculate the size of the Venturi valve manufacturing material according to the deformation coefficient of the Venturi valve manufacturing material to meet the deformation requirements (the selected Venturi valve manufacturing material in the present invention is mainly non-metallic materials);

Step S002, cutting the Venturi valve manufacturing material according to the size calculated in the above step S001;

Step S003, open the Venturi valve manufacturing mold 3, put the Venturi valve manufacturing materials cut in the above step S002 into the Venturi valve manufacturing mold 3, close and lock the Venturi valve manufacturing mold 3 ;

Step S004, in order to meet the requirements of non-metallic material charging forming and locking, the present invention preferably selects the motor 5B controlled by a frequency converter or a servo driver as the actuator 5, and operates the controller 6 to make the motor on the bracket 4 power The device 5B drives the clamping device 7 to descend and tightly locks the Venturi valve to make the mold 3;

Step S005, operate the controller 6, open the intelligent control valve 9 on the high-pressure generating device 2, continuously inject high-pressure air into the Venturi valve manufacturing mold 3 through the high-pressure delivery pipe 8, and make the Venturi valve manufacturing The internal pressure of the mold 3 reaches the preset value, and then the venturi valve production material put into the Venturi valve production mold 3 through the above step S003 is reversed and deformed, and is in close contact with the inner wall of the Venturi valve production mold 3 ;

Step S006, after the Venturi valve production material in the Venturi valve production mold 3 is fully deformed and formed, maintain the high pressure and constant pressure in the Venturi valve production mold 3 for not less than 50 seconds, and then operate the control The device 6 releases the pressure in the mold 3 for making the Venturi valve, and turns off the intelligent control valve 9;

Step S007, operating the controller 6 to make the actuator 5B on the support 4 drive the clamping device 7 to rise above the Venturi valve manufacturing mold 3 as a whole;

Step S008, opening the Venturi valve manufacturing mold 3, and taking out the formed Venturi valve.

The Venturi valve manufacturing system and manufacturing method involved in the present invention, for different manufacturing materials, the required flushing molding pressure and mold clamping pressure are different, so the high pressure generating device uses different pressure media, and the actuator also uses different pressures. The driving equipment; and in the design process of the Venturi valve manufacturing mold, the remaining material cavity is considered, so that the accuracy of the Venturi valve can be more accurately guaranteed.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. Venturi valve manufacturing system, the system includes a base, a high-pressure generating device, and a controller, and is characterized in that: a freely replaceable Venturi valve manufacturing mold and a mold for erecting are also provided on the base. A bracket for an actuator; Wherein, the actuator suspends a mold locking device for locking the Venturi valve manufacturing mold above the Venturi valve manufacturing mold through a retractable or crimped lifting member; The high-pressure generating device injects high-pressure water or high-pressure gas from the bottom or top of the Venturi valve manufacturing mold into the Venturi valve manufacturing mold through a high-pressure delivery pipe. 2. The Venturi valve manufacturing system according to claim 1, characterized in that: said Venturi valve manufacturing mold is an open-close barreled manufacturing mold with a locking structure; On the inner top of the mold for making the Venturi valve, there is also a residual material chamber for containing the residual material of the Venturi valve. 3. The Venturi valve production system according to claim 1, characterized in that an intelligent control valve for intelligently controlling the flow of high-pressure water or high-pressure gas into the high-pressure delivery pipe is also provided on the high-pressure generating device. 4. The Venturi valve production system according to claim 1, wherein the actuator is a motor controlled by a frequency converter or a servo driver, or an oil hydraulic power device controlled by an oil press. 5. The Venturi valve manufacturing system according to claim 1, characterized in that: the controller is arranged on the base, or on the high-pressure generating device, or on the bracket, or It is a handheld smart terminal controller. 6. Venturi valve manufacture method, it is characterized in that: this manufacture method comprises the following steps: Step S001, calculating the size of the venturi valve manufacturing material according to the deformation coefficient of the venturi valve manufacturing material, so as to meet the deformation requirement; Step S002, cutting the Venturi valve manufacturing material according to the size calculated in the above step S001; Step S003, open the Venturi valve manufacturing mold, put the Venturi valve manufacturing material cut in the above step S002 into the Venturi valve manufacturing mold, close and lock the Venturi valve manufacturing mold; Step S004, operating the controller to make the actuator on the bracket drive the mold clamping device to descend and tightly lock the Venturi valve to make the mold; Step S005, operate the controller, open the intelligent control valve on the high-pressure generating device, continuously inject water or air into the venturi valve manufacturing mold through the high-pressure delivery pipe, and make the internal pressure of the venturi valve manufacturing mold When the preset value is reached, the Venturi valve manufacturing material put into the Venturi valve manufacturing mold through the above step S003 is reversed and deformed, and is closely attached to the inner wall of the Venturi valve manufacturing mold; Step S006, after the Venturi valve production material in the Venturi valve production mold is fully deformed and formed, keep the high pressure and constant pressure in the Venturi valve production mold for not less than 50 seconds, and then operate the controller to The Venturi valve is used to release pressure in the mold and turn off the intelligent control valve; Step S007, operating the controller to make the actuator on the support drive the clamping device to rise above the Venturi valve manufacturing mold as a whole; Step S008, opening the Venturi valve manufacturing mold, and taking out the formed Venturi valve.