CN207095781U - Valve element air tightness test machine - Google Patents

Abstract

The utility model discloses a valve core air tightness testing machine, which comprises a case and a control panel arranged on the top of the case. The device includes four detection mechanisms arranged in sequence from right to left, each detection mechanism includes a plurality of air detectors located above the conveying table and a compression assembly located above the air detectors, the feeding mechanism includes a valve for placing The conveyor belt of the core, the right end of the conveyor belt is connected with the conveyor table, and the right end of the conveyor table is provided with a moving mechanism for moving the valve core on the conveyor belt to the conveyor table. The valve core air tightness testing machine thus designed has high detection speed and high working efficiency.

Description

Valve Core Air Tightness Testing Machine

technical field

The utility model relates to an air tightness testing machine, in particular to a water tap valve core air tightness testing machine.

Background technique

The spool is a valve part that uses its movement to realize the basic functions of direction control, pressure control or flow control. After the spool is assembled, it needs to be tested for air tightness. At present, the airtightness of the spool is often tested by people, that is, one by one, the detection speed is slow, and the work efficiency is low.

Utility model content

In view of the above-mentioned defects in the prior art, the purpose of this utility model is to provide a valve core air tightness testing machine which can improve the detection efficiency.

The technical solution of the utility model is: a valve core air tightness testing machine, including a casing and a control panel arranged on the top of the casing, the top of the casing is provided with a feeding mechanism, a conveying platform, a detection device and a discharging mechanism, the The detection device includes four detection mechanisms arranged in sequence from right to left, each detection mechanism includes a plurality of air detectors located above the conveying table and a compression assembly located above the air detectors, and the feeding mechanism includes The conveyor belt on which the spool is placed, the right end of the conveyor belt is connected to the conveyor table, and the right end of the conveyor table is provided with a moving mechanism for moving the valve core on the conveyor belt to the conveyor table.

Further, the feeding mechanism also includes transmission wheels arranged at both ends of the cabinet, and a feeding motor connected to the transmission wheels at the right end of the cabinet, and the conveyor belt is arranged on the transmission wheels.

Further, the moving mechanism includes a moving cylinder fixed on the chassis, a slide plate connected to the piston rod of the moving cylinder, a bar above the conveyor belt, and a slide rail arranged on the top of the bar and matched with the slide plate. One part of the slide plate A pull plate is arranged on the side, and an opening is formed between the conveyor belt and the conveying platform, and the bottom end of the pull plate is inserted into the opening.

Further, the pressing assembly includes a supporting frame, a lifting cylinder arranged at the top of the supporting frame, and a lifting platform arranged in the supporting frame and connected with the piston rod of the lifting cylinder, and a pressing plate is provided at the bottom of the lifting platform.

Further, a control cylinder for controlling the forward and backward movement of the lifting platform is connected to the outside of the lifting platform of the two detection mechanisms located in the middle.

Further, the discharging mechanism includes a discharging rack, a discharging moving assembly arranged on the discharging rack, a plurality of clamps arranged at the bottom of the discharging moving assembly, and a discharging hopper located below the clamps.

The beneficial effect of applying the sealing performance detection device for the inner core of the air pump nozzle provided by the utility model is that the feeding mechanism transports a plurality of valve cores to the conveying platform, and the conveying platform transports the valve cores to the ventilation detector of the detection mechanism , The compression component compresses the valve core, and the air detector conducts an air tightness test on the valve core. After four times of testing, a valve core is discharged through the discharge mechanism after passing the test. The detection speed is fast and the work efficiency is high.

Description of drawings

Fig. 1 is a whole mechanism schematic diagram of the present utility model;

Fig. 2 is a schematic diagram of another overall mechanism of the present invention.

As shown in the figure: 1—chassis, 2—control panel, 3—feeding mechanism, 31—conveyor belt, 32—drive wheel, 33—feeding motor, 4—conveying platform, 5—detection mechanism, 51—ventilation detection Device, 52—pressing assembly, 521—supporting frame, 522—lifting cylinder, 523—lifting platform, 5231—pressing plate, 6—discharging mechanism, 61—discharging rack, 62—discharging moving assembly, 63—fixture, 64—hopper, 7—moving mechanism, 71—moving cylinder, 72—slider, 73—block, 74—slide rail, 75—pull plate, 8—opening, 9—control cylinder, 10—spool, 11— fixed frame.

Detailed ways

In order to understand the technical scheme of the utility model more intuitively and completely, the non-limiting feature descriptions are as follows in conjunction with the accompanying drawings of the utility model:

As shown in Figures 1 and 2, the spool air tightness testing machine includes a cabinet 1 and a control panel 2 arranged on the top of the cabinet 1, and the top of the cabinet 1 is provided with a feeding mechanism 3, a conveying platform 4, a detection device and an outlet. Material mechanism 6, the detection device includes four detection mechanisms 5 arranged in sequence from right to left, each detection mechanism 5 includes a plurality of air detectors 51 located above the conveying table 4 and a compression assembly 52 located above the air detector 51 , the feeding mechanism 3 includes a conveyor belt 31 for placing the valve core 10, the right end of the conveyor belt 31 is connected with the conveyor table 4, and the right end of the conveyor table 4 is provided with a belt to move the valve core 10 on the conveyor belt 31 to the conveyor table 4. The moving mechanism7. Each group of spools 10 is placed on a fixed frame 11, and the fixed frame 11 is transported to the conveying table 4 through the conveyor belt 31.

The feeding mechanism 3 also includes transmission wheels 32 arranged at both ends of the cabinet 1 , and a feed motor 33 connected to the transmission wheels 32 at the right end of the cabinet 1 , and the conveyor belt 31 is arranged on the transmission wheels 32 . The feeding motor 33 drives the transmission wheel 32 to rotate, and the transmission wheel 32 drives the conveyor belt 31 to move.

The moving mechanism 7 includes a moving cylinder 71 fixed on the cabinet 1, a slide plate 72 connected to the piston rod of the moving cylinder 71, a bar 73 above the conveyor belt 31, and a slide rail that is arranged on the top of the bar 73 and cooperates with the slide plate 72 74 , one side of the sliding plate 72 is provided with a pull plate 75 , an opening 8 is formed between the conveyor belt 31 and the conveying platform 4 , and the bottom end of the pull plate 75 is inserted into the opening 8 . At the beginning, the piston rod of the moving cylinder 71 stretches out and pushes the pull plate 75 to the side of the conveyor belt 31 away from the conveyor table 4, and the fixed frame 11 is conveyed by the conveyor belt 31 and is blocked by the retaining strip 73. At this time, the moving cylinder The piston rod of 71 is retracted, and the pull plate 75 pushes the fixed mount 11 into the delivery table 4.

The pressing assembly 52 includes a support frame 521, a lift cylinder 522 arranged at the top of the support frame, and a lift platform 523 arranged in the support frame 521 and connected to the piston rod of the lift cylinder 522. The bottom end of the lift platform 523 has a pressing plate 5231. The lifting cylinder 522 controls the lifting platform 523 to descend.

The control air cylinder 9 for controlling the front and rear movement of the lifting platform 523 is connected to the outside of the lifting platform 523 of the two detection mechanisms 5 located in the middle. Because the valve core has an open state and a closed state, and the open state is divided into a cold water state and a hot water state, so the detection mechanism 5 on the far right is used to detect the airtightness of the closed state of the valve core, and the detection mechanism on the right in the middle 5 Turn the stem of the spool to the state of cold water, and then test the airtightness in the state of cold water, and then the detection mechanism on the left in the middle 5 Turn the stem of the spool to the state of hot water, and then detect the airtightness in the state of hot water Air-tightness, and then the detection mechanism 5 on the left side carries out an air-tightness detection to the valve core again. After the pressing plate 5231 at the bottom of the lifting platform 523 pressed the valve core, the control cylinder 9 controlled the moving of the lifting platform 523, and the pressing plate 5231 moved the valve stem to adjust the position of the valve stem.

The discharge mechanism 6 includes a discharge frame 61 , a discharge moving assembly 62 arranged on the discharge frame 61 , a plurality of grippers 63 arranged at the bottom of the discharge movement assembly 62 , and a discharge hopper 64 located below the gripper 63 . The discharge moving assembly 62 adjusts the position of the clamp 63, and the clamp 63 clamps the detected valve core to the discharge hopper 64 for discharge.

In the air pump air nozzle inner core sealing detection device provided by the utility model, the feeding mechanism 3 transports a plurality of valve cores 10 to the delivery platform 4, and the delivery platform 4 transports the valve cores 10 to the detection mechanism 5 and the ventilation detector 51 On the top, the pressing assembly 52 compresses the valve core, and the air detector 51 performs air tightness testing on the valve core. A valve core is tested four times, and after passing the test, it is discharged through the discharge mechanism 6. The detection speed is fast and the work efficient.

Of course, the above are only preferred embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. All simple modifications and equivalent structural changes made by using the description and drawings of the present utility model shall be the same The theory is included in the patent protection scope of the present utility model.

Claims (6)

1. Spool air tightness testing machine, comprising a casing and a control panel arranged on the top of the casing, characterized in that: the top of the casing is provided with a feeding mechanism, a delivery platform, a detection device and a discharge mechanism, and the detection device It includes four detection mechanisms arranged in sequence from right to left, each detection mechanism includes a plurality of air detectors located above the conveying table and a pressing assembly located above the air detectors, the feeding mechanism includes a valve core for placing The conveyor belt, the right end of the conveyor belt is connected with the conveyor table, and the right end of the conveyor table is provided with a moving mechanism for moving the valve core on the conveyor belt to the conveyor table. 2. The valve core air tightness testing machine according to claim 1, characterized in that: the feeding mechanism also includes transmission wheels arranged at both ends of the casing, a feeding motor connected to the transmission wheel at the right end of the casing, and a conveyor belt Set on the transmission wheel. 3. The valve core air tightness testing machine according to claim 2, characterized in that: the moving mechanism includes a moving cylinder fixed on the chassis, a slide plate connected to the piston rod of the moving cylinder, and a stopper located above the conveyor belt. Bar and the slide rail that is arranged on the top of the retaining bar and cooperates with the slide plate, a pull plate is provided on one side of the slide plate, an opening is formed between the conveyor belt and the conveying platform, and the bottom end of the pull plate is snapped into the opening. 4. The valve core air tightness testing machine according to claim 3, characterized in that: the pressing assembly includes a support frame, a lifting cylinder arranged at the top of the support, and a piston arranged in the support frame and connected to the lifting cylinder The lifting platform connected by the rod has a pressing plate at the bottom of the lifting platform. 5 . The valve core air tightness testing machine according to claim 4 , wherein a control cylinder for controlling the forward and backward movement of the lifting platform is connected to the outside of the lifting platform of the two detection mechanisms located in the middle. 5 . 6. The valve core air tightness testing machine according to claim 5, characterized in that: the discharge mechanism includes a discharge rack, a discharge moving assembly arranged on the discharge rack, and a discharge moving assembly arranged at the bottom of the discharge moving assembly. Multiple grippers at the end and a discharge hopper below the grippers.