CN215954153U - Flow regulating equipment in nozzle production process - Google Patents
Flow regulating equipment in nozzle production process Download PDFInfo
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- CN215954153U CN215954153U CN202122738655.7U CN202122738655U CN215954153U CN 215954153 U CN215954153 U CN 215954153U CN 202122738655 U CN202122738655 U CN 202122738655U CN 215954153 U CN215954153 U CN 215954153U
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Abstract
The utility model discloses flow regulating equipment in the nozzle production process, which comprises a rack, wherein an upper fixing tool and a nozzle placing base positioned below the upper fixing tool are arranged on the rack, an upper pressure head and an upper sealing positioning mechanism are arranged on the upper fixing tool, a lower sealing tool for sealing and positioning the bottom end of a nozzle is arranged below the nozzle placing base, a lower sealing positioning mechanism is arranged at the bottom end of the lower sealing tool, and a side face jacking mechanism capable of jacking the lower sealing tool to ensure the integral sealing performance of the equipment is arranged at the side part of the lower sealing tool; the gas supply detection system is connected with the inside of the nozzle and used for supplying gas to the inside of the nozzle and detecting the change of the gas flow in the nozzle. The natural gas nozzle can be accurately positioned and flow rate adjusted, the gap between the end face of the spraying orifice plate and the movable iron core and the static iron core in a complete suction state is adjusted by controlling the position of the upper pressure head, and further the flow rate is adjusted, the adjusting precision is high, the adjustment is convenient, and the labor cost is saved.
Description
Technical Field
The utility model relates to the technical field of production of natural gas injection systems, in particular to flow regulating equipment in a nozzle production process.
Background
The natural gas injection system is mainly formed by assembling a natural gas nozzle, an upper rail body, a lower rail body, a gas joint and a PT sensor, and the flow stability of the whole rail body assembly is controlled by controlling the flow consistency of a single nozzle. The nozzle assembly process mainly comprises press fit, three-layer welding, high-pressure injection molding, flow adjustment, orifice plate welding, pre-running, function testing, helium testing and the like. The flow regulation is a core process, the pressure, the temperature and the humidity and the flow of a gas medium need to be monitored and fed back in real time, and meanwhile, the press-fit speed, the step length, the press precision, the response speed of an electric element and the like of a product are also important influencing factors. Therefore, it is necessary to design a flow regulating device in the nozzle production process to realize the regulation of the flow of the nozzle in the natural gas injection system.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a flow regulating device in the nozzle production process, so as to solve the problems in the background art.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.
A flow regulating device in the nozzle production process comprises a rack, wherein an upper fixing tool and a nozzle placing base which is positioned below the upper fixing tool and used for positioning a nozzle are arranged on the rack, an upper pressing head matched with the nozzle and an upper sealing positioning mechanism used for driving the upper pressing head to press downwards to seal the air outlet end of the nozzle are arranged on the upper fixing tool, a lower sealing tool used for sealing and positioning the bottom end of the nozzle is arranged below the nozzle placing base, a lower sealing positioning mechanism used for driving the nozzle placing base to move to seal the air inlet end of the nozzle is arranged at the bottom end of the lower sealing tool, and a side face tightening mechanism capable of tightening the lower sealing tool to guarantee the overall sealing performance of the device is arranged on the side portion of the lower sealing tool; the gas supply detection system is connected with the inside of the nozzle and used for supplying gas to the inside of the nozzle and detecting the change of the gas flow in the nozzle.
Further optimize technical scheme, go up fixed frock and include the fixed middle part fixed plate that sets up in the frame top through the fixing base, set up the through-hole that makes the nozzle pass on the fixed plate of middle part, the top of middle part fixed plate is provided with portable roof through a plurality of telescopic links connection, wear to be equipped with a plurality of bottom location setting guide posts on the fixed plate of middle part on the portable roof, it is provided with the lifter plate to slide on the guide post, go up the fixed middle part that sets up at the lifter plate of pressure head, it establishes the peripheral buffer spring of guide post to be provided with the cover between lifter plate and the fixed plate of middle part.
Further optimize technical scheme, go up sealed positioning mechanism and include that the piston rod end is fixed the servo electric cylinder who sets up on portable roof.
The technical scheme is further optimized, the nozzle placing base is assembled on a sliding column in a sliding mode, and the sliding column is fixedly arranged on the rack; and a spring sleeved on the periphery of the sliding column is arranged between the bottom end of the nozzle placing base and the rack.
According to the technical scheme, the lower sealing positioning mechanism comprises a lower positioning air cylinder arranged on the frame and a lower sealing tool arranged above the lower positioning air cylinder in a positioning mode, a penetrating hole enabling a piston rod of the lower positioning air cylinder to penetrate through is formed in the middle of the lower sealing tool, and a positioning hole communicated with the penetrating hole is transversely formed in the side portion of the lower sealing tool.
According to the technical scheme, the lateral jacking mechanism comprises a lateral jacking cylinder which is transversely positioned on the rack, and a piston rod of the lateral jacking cylinder extends out of the positioning hole and can position the lower sealing tool on the rack.
Further optimize technical scheme, the air feed detecting system includes the air supply that is linked together with the intake pipe that sets up in the nozzle lateral part, set up solenoid valve, the proportional valve of setting in the intake pipe and set up the flowmeter and the barometer at the nozzle end of giving vent to anger in the intake pipe.
Due to the adoption of the technical scheme, the technical progress of the utility model is as follows.
The natural gas nozzle flow regulating device can accurately position and regulate the flow of the natural gas nozzle, the gap between the end face of the spray orifice plate and the movable iron core and the static iron core in a complete suction state is regulated by controlling the position of the upper pressure head, so that the flow is regulated, the regulating precision is high, the regulation is convenient, the labor cost is saved, and whether the product flow regulation is qualified or not is judged by retesting the product flow and judging whether the product flow is in the range or not.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic structural view of the present invention;
FIG. 3 is a schematic diagram of the gas supply detection system of the present invention;
FIG. 4 is a schematic structural view of a nozzle of the present invention;
FIG. 5 is a schematic view of a portion of the nozzle of the present invention;
FIG. 6 is a cross-sectional view of a nozzle of the present invention;
FIG. 7 is a flow chart of an HFI nozzle press-fitting process according to the utility model.
Wherein: 1. servo electric cylinder, 2, the nozzle, 21, spout the orifice plate, 22, move the iron core, 23, quiet iron core, 24, the end of giving vent to anger, 25, the end of admitting air, 26, the intake pipe, 3, go up the pressure head, 4, go up fixed frock, 41, the guide post, 42, portable roof, 43, the telescopic link, 44, the lifter plate, 45, the fixing base, 46, the middle part fixed plate, 5, the base is placed to the nozzle, 51, the sliding column, 6, lower sealed positioning mechanism, 62, lower positioning cylinder, 7, the tight mechanism in side top, 71, the tight cylinder in side top, 8, the frame, 9, lower sealed frock.
Detailed Description
The utility model will be described in further detail below with reference to the figures and specific examples.
A flow regulating device in the nozzle production process is shown in a combined drawing 1-6 and comprises a rack 8, an upper fixing tool 4, a nozzle placing base 5, an upper pressure head 3, an upper sealing positioning mechanism, a lower sealing positioning mechanism 6, a side face jacking mechanism 7 and an air supply detection system.
The frame 8 is provided with an upper fixing tool 4 and a nozzle placing base 5. Last fixed frock 4 is last be provided with the last pressure head 3 of nozzle looks adaptation and be used for driving pressure head 3 and push down in order to go out the nozzle with the end go on sealed last sealed positioning mechanism. And a lower sealing tool 9 is arranged below the nozzle placing base 5 and used for sealing and positioning the bottom end of the nozzle. The bottom of lower sealed frock 9 is provided with down sealed positioning mechanism 6, and lower sealed positioning mechanism 6 is used for driving the nozzle and places base 5 and remove to seal the nozzle inlet end. The lateral part of the lower sealing tool 9 is provided with a lateral surface jacking mechanism 7, and the lateral surface jacking mechanism 7 can jack the lower sealing tool 9 tightly so as to ensure the overall sealing performance of the equipment.
Go up fixed frock 4 and include the fixed middle part fixed plate 46 that sets up in frame 8 top through fixing base 45, set up the through-hole that makes the nozzle pass on the fixed plate 46 of middle part, the top of middle part fixed plate 46 is provided with portable roof 42 through the connection of a plurality of telescopic links 43, wear to be equipped with a plurality of bottom location on the portable roof 42 and set up guide post 41 on the fixed plate 46 of middle part, it is provided with lifter plate 44 to slide on the guide post 41, go up the fixed middle part that sets up at lifter plate 44 of pressure head 3, it establishes the peripheral buffer spring in guide post 41 to be provided with the cover between lifter plate 44 and the fixed plate 46 of middle part.
The upper seal positioning mechanism comprises a servo electric cylinder 1 with a piston rod end fixedly arranged on a movable top plate 42.
The nozzle placing base 5 is located below the upper fixing tool 4 and used for positioning the nozzle 2.
The nozzle placement base 5 is slidably fitted on a sliding column 51 which is fixedly provided on the frame 8. A spring sleeved on the periphery of the sliding column is arranged between the bottom end of the nozzle placing base 5 and the frame 8.
The lower sealing positioning mechanism 6 comprises a lower positioning cylinder 62 arranged on the frame 8 and a lower sealing tool 9 positioned above the lower positioning cylinder 62, a through hole for the piston rod of the lower positioning cylinder 62 to pass through is formed in the middle of the lower sealing tool 9, and a positioning hole communicated with the through hole is transversely formed in the side part of the lower sealing tool 9.
The side surface jacking mechanism 7 comprises a side surface jacking air cylinder 71 which is transversely positioned on the rack 8, and a piston rod of the side surface jacking air cylinder 71 extends into the positioning hole and can position the lower sealing tool 9 on the rack 8.
The air supply detection system is communicated with the inside of the nozzle and used for supplying air to the inside of the nozzle and detecting the change of the air flow in the nozzle.
The gas supply detection system comprises a gas source communicated with a gas inlet pipe 26 arranged at the side part of the nozzle, an electromagnetic valve arranged on the gas inlet pipe, a proportional valve arranged on the gas inlet pipe, and a flow meter and a barometer arranged at the gas outlet end of the nozzle.
Fig. 3 depicts the main gas path diagram: the air supply supplies compressed air for the product, and the cleanliness and the oil-water separation barometer of medium and the gas pressure and the flow of flowmeter control entry end are guaranteed to the trigeminy piece, reduce or increase atmospheric pressure through the proportional valve, guarantee the stability of adjustment in-process air current.
The working process of the utility model is as follows.
Putting the nozzle part into a fixture, pressing a start button, driving an upper pressure head 3 to press down and seal a nozzle gas outlet end by a servo electric cylinder 1, and driving a nozzle placing base 5 to jack up and seal the nozzle gas inlet end by a lower positioning cylinder 62; the side face tightly-pushing cylinder 71 tightly pushes the lower sealing tool 9, so that the sealing performance is ensured.
The air source supplies air, the probe jacks an electric plug to contact with an electrode of the nozzle, the programmable power supply is started to supply power to a product, a large current is started to fully open the electromagnetic valve, then the small current is switched to keep the electromagnetic valve normally open and not to be scalded, the air flow and the pressure of the air inlet end of the product are monitored in real time, the air inlet pressure of a control part is continuously adjusted to be 6bar +/-0.006 bar through a proportional valve, a PLC acquires signals and communicates, the servo electric cylinder is controlled to be pressed down through a set program, the speed is increased first and then the speed is reduced, the pressing force, the air flow and the pressure head ballast displacement are monitored and a curve is fitted, the flow is adjusted by changing the lift (the gap between the end surface of the injection hole plate 21 and the movable iron core 22 and the static iron core 23 in a complete suction state), and the general rules of the flow and the lift are shown in figure 7. The lift is changed in the utility model by adjusting the position of the upper pressure head through the servo electric cylinder 1, so that the lift is adjusted.
And setting a flow threshold, and correspondingly setting the step length, the speed and the flow target value of the press in sections, so that the flow change caused by the rebound quantity of the orifice plate and the subsequent welding deformation under different press-fit forces can be ensured, and the consistency and the stability of the flow of the nozzle are finally controlled. After the flow is adjusted to the target flow, the upper pressure head is slightly lifted without contacting with the product, the flow of the product is retested, if the flow is within the set range, the product is qualified, and if the flow is not within the range, the product is scrapped or readjusted.
Claims (7)
1. A flow regulating device in the production process of a nozzle is characterized in that: the sealing device comprises a rack (8), wherein an upper fixing tool (4) and a nozzle placing base (5) which is positioned below the upper fixing tool (4) and used for positioning a nozzle (2) are arranged on the rack (8), an upper pressure head (3) matched with the nozzle and an upper sealing positioning mechanism used for driving the upper pressure head (3) to press downwards to seal an air outlet end of the nozzle are arranged on the upper fixing tool (4), a lower sealing tool (9) used for sealing and positioning the bottom end of the nozzle is arranged below the nozzle placing base (5), a lower sealing positioning mechanism (6) used for driving the nozzle placing base (5) to move to seal an air inlet end of the nozzle is arranged at the bottom end of the lower sealing tool (9), and a side face tightening mechanism (7) capable of tightening the lower sealing tool (9) to guarantee the integral sealing performance of the device is arranged on the side portion of the lower sealing tool (9); the gas supply detection system is connected with the inside of the nozzle and used for supplying gas to the inside of the nozzle and detecting the change of the gas flow in the nozzle.
2. A flow regulating device in a nozzle production process according to claim 1, characterized in that: go up fixed frock (4) and include middle part fixed plate (46) of fixed setting in frame (8) top through fixing base (45), set up the through-hole that makes the nozzle pass on middle part fixed plate (46), the top of middle part fixed plate (46) is provided with portable roof (42) through connecting a plurality of telescopic links (43), wear to be equipped with guide post (41) that a plurality of bottom location set up on middle part fixed plate (46) on portable roof (42), it is provided with lifter plate (44) to slide on guide post (41), it sets up the middle part at lifter plate (44) to go up fixed pressure head (3), it establishes at guide post (41) outlying buffer spring to be provided with the cover between lifter plate (44) and middle part fixed plate (46).
3. A flow rate regulating apparatus in a nozzle production process according to claim 2, wherein: the upper sealing and positioning mechanism comprises a servo electric cylinder (1) with a piston rod end fixedly arranged on a movable top plate (42).
4. A flow regulating device in a nozzle production process according to claim 1, characterized in that: the nozzle placing base (5) is assembled on a sliding column (51) in a sliding mode, and the sliding column is fixedly arranged on the rack (8); a spring sleeved on the periphery of the sliding column is arranged between the bottom end of the nozzle placing base (5) and the rack (8).
5. A flow regulating device in a nozzle production process according to claim 1, characterized in that: the lower sealing positioning mechanism (6) comprises a lower positioning cylinder (62) arranged on the frame (8) and a lower sealing tool (9) arranged above the lower positioning cylinder (62) in a positioning mode, a penetrating hole enabling a piston rod of the lower positioning cylinder (62) to penetrate through is formed in the middle of the lower sealing tool (9), and a positioning hole communicated with the penetrating hole is transversely formed in the side portion of the lower sealing tool (9).
6. A flow regulating device in a nozzle production process according to claim 5, characterized in that: the side jacking mechanism (7) comprises a side jacking cylinder (71) which is transversely positioned on the rack (8), and a piston rod of the side jacking cylinder (71) extends out of a positioning hole and can position the lower sealing tool (9) onto the rack (8).
7. A flow regulating device in a nozzle production process according to claim 1, characterized in that: the air supply detection system comprises an air source communicated with an air inlet pipe arranged at the side part of the nozzle, an electromagnetic valve arranged on the air inlet pipe, a proportional valve arranged on the air inlet pipe, and a flowmeter and an air pressure gauge arranged at the air outlet end of the nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122738655.7U CN215954153U (en) | 2021-11-10 | 2021-11-10 | Flow regulating equipment in nozzle production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122738655.7U CN215954153U (en) | 2021-11-10 | 2021-11-10 | Flow regulating equipment in nozzle production process |
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| Publication Number | Publication Date |
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| CN215954153U true CN215954153U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122738655.7U Active CN215954153U (en) | 2021-11-10 | 2021-11-10 | Flow regulating equipment in nozzle production process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060722A (en) * | 2021-11-17 | 2022-02-18 | 无锡隆盛科技股份有限公司 | Closed-loop control and regulation method for flow in nozzle production process |
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2021
- 2021-11-10 CN CN202122738655.7U patent/CN215954153U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060722A (en) * | 2021-11-17 | 2022-02-18 | 无锡隆盛科技股份有限公司 | Closed-loop control and regulation method for flow in nozzle production process |
| CN114060722B (en) * | 2021-11-17 | 2023-09-01 | 无锡隆盛科技股份有限公司 | Flow closed-loop control and regulation method in nozzle production process |
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