CN212903781U

CN212903781U - Pneumatic needle valve detection device

Info

Publication number: CN212903781U
Application number: CN202021632666.6U
Authority: CN
Inventors: 叶建文; 余苏康
Original assignee: Hangzhou Yiluo Fluid Control Technology Co ltd
Current assignee: Hangzhou Yiluo Fluid Control Technology Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-04-06
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a pneumatic needle valve detection device, including frame, slip sealed cabin, inlet pipe, discharging pipe, sealed end, slip sealed cabin front end is provided with the open end, the slip sealed cabin is provided with two and sets up in the frame relatively, inlet pipe, discharging pipe communicate respectively at the rear end of two slip sealed cabins, the sealed end is provided with two and sets up respectively in two slip sealed cabins, inlet pipe, discharging pipe are connected respectively on two sealed ends, be provided with the slide rail in the frame, the slip sealed cabin is installed on the slide rail and is slided through motor control. The utility model discloses pneumatic needle valve detection device, simple and practical, compact structure can detect the gas tightness situation, the flow control precision etc. of pneumatic needle valve, and detection efficiency is fast, and is effectual, with low costs, and the probability of lou examining, false retrieval is little, and work load is low, convenient to use.

Description

Pneumatic needle valve detection device

Technical Field

The utility model relates to a valve processing detects technical field, specifically is a pneumatic needle valve detection device.

Background

The needle valve is a mechanical valve for cutting off and regulating pressure and flow, is widely applied to pneumatic pipelines and measuring pipelines of instruments of petroleum and chemical systems, and is an important component of an instrument measuring pipeline system. The pneumatic needle valve is a pneumatic needle valve, and is very commonly used when the flow is required to be adjusted. At present, some types of pneumatic needle valves on the market mainly comprise a valve body, a valve rod, a left connecting end and a right connecting end which are provided with flange connecting components, and the like.

The pneumatic needle valve has very high requirements on air tightness, precision and the like, and the performance of the pneumatic needle valve is generally distinguished by manual modes such as hand touch, ear listening and the like in the production and processing process of the pneumatic needle valve at present, but the detection efficiency is low, the probability of missed detection and false detection is high, and the labor load is large. Meanwhile, some large-scale professional pneumatic needle valve detection equipment is also arranged on the market at present to detect the air tightness, the precision and the like of the pneumatic needle valve, but the large-scale professional detection equipment is expensive and is not suitable for production detection of general valve manufacturers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: provides a pneumatic needle valve detection device to solve the above defects.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a pneumatic needle valve detection device, includes frame, slip sealed cabin, inlet pipe, discharging pipe, sealed end, slip sealed cabin front end is provided with the open end, the slip sealed cabin is provided with two and sets up in the frame relatively, inlet pipe, discharging pipe communicate respectively in the rear end of two slip sealed cabins, the sealed end is provided with two and sets up respectively in two slip sealed cabins, inlet pipe, discharging pipe are connected respectively on two sealed ends, be provided with the slide rail in the frame, the slip sealed cabin is installed on the slide rail and is slided through motor control.

Preferably, the bottom of the sliding sealed cabin is provided with a discharge port and is provided with a discharge hopper, and the discharge hopper is fixed in the rack through a bolt.

Preferably, all be provided with solenoid valve, flowmeter, digital pressure gauge on inlet pipe, the discharging pipe, the end of inlet pipe, discharging pipe all passes through the hose and connects respectively on raw materials storage tank and ejection of compact storage tank.

Preferably, the sealing end comprises an outer sleeve, an inner sleeve, a lifting ring and a hydraulic lifting rod, the outer sleeve is in a circular tube shape with one open end and one closed end, the inner sleeve and the outer sleeve are coaxial, the inner sleeve is fixed inside the outer sleeve, and the closed end of the outer sleeve is provided with a tube hole for installing a feeding tube or a discharging tube; the lifting ring is arranged between the outer sleeve and the inner sleeve and is controlled to lift through a plurality of hydraulic lifting rods; a plurality of strip-shaped holes which are parallel to each other and are uniformly distributed are formed in the inner sleeve, and a plurality of telescopic clamping blocks facing the strip-shaped holes are arranged on the inner ring surface of the lifting ring; and annular gaskets are arranged on the inner end wall of the outer sleeve on the inner side of the inner sleeve and the outer side of the pipe hole.

Preferably, an outer cover is arranged outside the sliding sealed cabin and is installed on the machine frame.

Preferably, the open ends of the two sliding sealing cabins are provided with sealing rubber pads.

Preferably, a detection probe is arranged in the sliding sealed cabin, and the detection probe comprises a humidity detection probe and a pressure sensor probe.

The beneficial effects of the utility model reside in that:

the utility model is provided with sealing ends at the ends of the feeding pipe and the discharging pipe, and the left and right connecting ends of the pneumatic needle valve are fixed through the sealing ends; the air tightness condition of the pneumatic needle valve can be detected by detecting the pressure of the feeding pipe and the discharging pipe at the two ends of the pneumatic needle valve in real time; the sealing and detection of the external environment of the pneumatic needle valve are realized through the sliding sealing cabins arranged at the sealing end and the outer side of the pneumatic needle valve, and the air tightness condition of the pneumatic needle valve is monitored; the flow regulation function of the pneumatic needle valve can be verified by monitoring the flow change of the feeding pipe and the discharging pipe in real time. The utility model discloses pneumatic needle valve detection device, simple and practical, compact structure can detect the gas tightness situation, the flow control precision etc. of pneumatic needle valve, and detection efficiency is fast, and is effectual, with low costs, and the probability of lou examining, false retrieval is little, and work load is low, convenient to use.

Drawings

FIG. 1: the utility model has a schematic structure;

FIG. 2: the utility model discloses seal end structure sketch map.

Detailed Description

The following description of the embodiments of the present invention is made with reference to the accompanying drawings 1-2:

as shown in figures 1 and 2, the pneumatic needle valve detection device comprises a rack 1, a sliding sealed cabin 2, a feeding pipe 3, a discharging pipe 4 and a sealed end 5, wherein the front end of the sliding sealed cabin 2 is provided with an opening end, the sliding sealed cabin 2 is provided with two sliding sealed cabins and is oppositely arranged on the rack 1, a sliding rail is arranged on the rack 1, and the sliding sealed cabin 2 is arranged on the sliding rail and slides under the control of a motor.

The inlet pipe 3, the discharging pipe 4 communicate respectively in the rear end of two slip sealed cabins 2, all are provided with solenoid valve 31, flowmeter 32, digital pressure gauge 33 on inlet pipe 3, the discharging pipe 4, and the end of inlet pipe 3, discharging pipe 4 all connects respectively on raw materials storage tank and ejection of compact storage tank through hose 34.

The sealing end 5 is provided with two sealing ends which are respectively arranged in the two sliding sealing cabins 2, the feeding pipe 3 and the discharging pipe 4 are respectively connected to the two sealing ends 5, the sealing end 5 comprises an outer sleeve 51, an inner sleeve 52, a lifting ring 53 and a hydraulic lifting rod 54, the outer sleeve 51 is in a circular pipe shape with one open end and one closed end, the inner sleeve 52 and the outer sleeve 51 are coaxial, the inner sleeve 52 is fixed in the outer sleeve 51, and the closed end of the outer sleeve 51 is provided with a pipe hole for installing the feeding pipe 3 or the discharging pipe 4; the lifting ring 53 is arranged between the outer sleeve 51 and the inner sleeve 52, and is controlled to lift through a plurality of hydraulic lifting rods 54; a plurality of strip-shaped holes which are parallel to each other and are uniformly distributed are formed in the inner sleeve 52, and a plurality of telescopic fixture blocks 55 facing the strip-shaped holes are arranged on the inner annular surface of the lifting ring 53; an annular seal 56 is provided on the inner end wall of the outer sleeve 51 inside the inner sleeve 52 and outside the pipe hole.

An outer cover 6 is arranged on the outer side of the sliding sealed cabin 2, and the outer cover 6 is arranged on the rack 1; a discharge port is formed in the bottom of the sliding sealed cabin 2, a discharge hopper 7 is installed on the bottom of the sliding sealed cabin, and the discharge hopper 7 is fixed in the rack 1 through bolts; the opening ends of the two sliding sealed cabins 2 are provided with a sealing rubber gasket 9; a detection probe 8 is arranged in the sliding sealed cabin 2, and the detection probe 8 comprises a humidity detection probe and a pressure sensor probe.

When the pneumatic needle valve detection device of the utility model is used for detecting the pneumatic needle valve, firstly, the two sliding sealed cabins 2 move oppositely on the sliding rail of the frame 1 under the action of the motor; secondly, the pneumatic needle valve enters the two sliding sealed cabins 2 through an opening arranged at the top end of an outer cover 6 at the outer side of the sliding sealed cabins 2, and one connecting end of the pneumatic needle valve is arranged in a sealed end 5; thirdly, a telescopic fixture block 55 on the lifting ring 53 of the sealing end 5 extends out under the action of a motor or pneumatics, passes through a strip-shaped hole on the inner sleeve 52 and is clamped on a flange connecting component at one connecting end of the pneumatic needle valve, the lifting ring 53 is controlled to descend through a plurality of hydraulic lifting rods 54, and the flange connecting component at the connecting end of the pneumatic needle valve and an annular sealing gasket 56 on the inner end wall of the outer sleeve 51 are in tight contact and are sealed; then, the two sliding sealed cabins 2 move relatively on the slide rail of the frame 1 under the action of the motor, so that the flange connecting component at the other connecting end of the pneumatic needle valve is clamped and sealed in the sealed end 5 in the other sliding sealed cabin 2; then, the electromagnetic valves 31 on the feeding pipe 3 and the discharging pipe 4 are opened, the pressure change of the digital pressure gauges 33 on the feeding pipe 3 and the discharging pipe 4 is checked by controlling the feeding and discharging sizes of the feeding pipe 3 and the discharging pipe 4, the sealing condition of the pneumatic needle valve can be detected, the adjustment precision of the pneumatic needle valve can be verified by adjusting the size of the pneumatic needle valve and comparing the adjustment precision with the reading change of the flow meters 32 on the feeding pipe 3 and the discharging pipe 4, and the product quality of the pneumatic needle valve can be detected in many aspects; and finally, after the project detection of the pneumatic needle valve is finished, closing the electromagnetic valves 31 on the feeding pipe 3 and the discharging pipe 4, loosening the fixation of the sealing end 5 on the pneumatic needle valve, and outputting the pneumatic needle valve from the discharging hopper 7 below, thereby realizing the whole process of detecting the pneumatic needle valve.

The utility model discloses pneumatic needle valve detection device, simple and practical, compact structure can detect the gas tightness situation, the flow control precision etc. of pneumatic needle valve, and detection efficiency is fast, and is effectual, with low costs, and the probability of lou examining, false retrieval is little, and work load is low, convenient to use.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. The utility model provides a pneumatic needle valve detection device, its characterized in that, includes frame (1), slip sealed cabin (2), inlet pipe (3), discharging pipe (4), seal end (5), slip sealed cabin (2) front end is provided with the open end, slip sealed cabin (2) are provided with two and relative setting on frame (1), inlet pipe (3), discharging pipe (4) communicate respectively at the rear end of two slip sealed cabins (2), seal end (5) are provided with two and set up respectively in two slip sealed cabins (2), inlet pipe (3), discharging pipe (4) are connected respectively on two seal end (5), be provided with the slide rail on frame (1), slip sealed cabin (2) are installed on the slide rail and are slided through motor control.

2. The pneumatic needle valve detection device according to claim 1, wherein a discharge port is arranged at the bottom of the sliding sealed cabin (2) and a discharge hopper (7) is installed, and the discharge hopper (7) is fixed in the frame (1) through a bolt.

3. The pneumatic needle valve detection device according to claim 1, wherein the feeding pipe (3) and the discharging pipe (4) are respectively provided with a solenoid valve (31), a flowmeter (32) and a digital pressure gauge (33), and the tail ends of the feeding pipe (3) and the discharging pipe (4) are respectively connected to the raw material storage tank and the discharging storage tank through hoses.

4. The pneumatic needle valve detection device according to claim 1, wherein the sealing end (5) comprises an outer sleeve (51), an inner sleeve (52), a lifting ring (53) and a hydraulic lifting rod (54), the outer sleeve (51) is in a circular tube shape with one open end and one closed end, the inner sleeve (52) is coaxial with the outer sleeve (51), the inner sleeve (52) is fixed inside the outer sleeve (51), and the closed end of the outer sleeve (51) is provided with a pipe hole for installing the feeding pipe (3) or the discharging pipe (4); the lifting ring (53) is arranged between the outer sleeve (51) and the inner sleeve (52) and is controlled to lift through a plurality of hydraulic lifting rods (54); a plurality of strip-shaped holes which are parallel to each other and are uniformly distributed are formed in the inner sleeve (52), and a plurality of telescopic fixture blocks (55) which are opposite to the strip-shaped holes are arranged on the inner ring surface of the lifting ring (53); and annular gaskets (56) are arranged on the inner end wall of the outer sleeve (51) at the inner side of the inner sleeve (52) and the outer side of the pipe hole.

5. A pneumatic needle valve detection device according to claim 1, wherein a housing (6) is arranged outside the sliding sealed cabin (2), and the housing (6) is mounted on the machine frame (1).

6. A pneumatic needle valve detection device according to claim 1, wherein sealing rubber gaskets (9) are arranged at the open ends of the two sliding sealing chambers (2).

7. A pneumatic needle valve detection device according to claim 1, wherein a detection probe (8) is arranged in the sliding sealed cabin (2), and the detection probe (8) comprises a humidity detection probe and a pressure sensor probe.