CN210774532U

CN210774532U - Pressure-pumping type leakage detection device

Info

Publication number: CN210774532U
Application number: CN201921953076.0U
Authority: CN
Inventors: 刘益君
Original assignee: Shanghai Ruofan Biotechnology Co ltd
Current assignee: Shanghai Ruofan Biotechnology Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-16
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a take out and press formula leak hunting device relates to facial mask leak hunting equipment technical field, and it includes frame, leak hunting platform and first conveyer belt, first conveyer belt sets up in the frame, leak hunting platform sets up in the frame, just leak hunting platform sets up one side at first conveyer belt direction of delivery, the top of leak hunting platform is provided with the seal box, the downward sealed chamber of opening has been seted up on the seal box, be provided with the driving piece that is used for driving the seal box up-and-down motion in the frame, leak hunting bench has been seted up and has been taken out and press the mouth, it has the pump of taking out and press to take out the mouth through taking out and pressing the pipe intercommunication. The utility model discloses pass through the air of taking out the pressure mouth extraction sealed intracavity with the help of taking out the pressure air pump for negative pressure appears in the sealed intracavity, and then seals not tight facial mask and take place the weeping phenomenon, through the mode of taking out the pressure promptly, improved detection efficiency.

Description

Pressure-pumping type leakage detection device

Technical Field

The utility model belongs to the technical field of the facial mask leak hunting equipment technique and specifically relates to a take out pressure formula leak hunting device is related to.

Background

With the improvement of the quality of life, more and more people use the bagged facial mask to protect the face. However, the bagged mask needs to be sealed after being filled with materials, defective products with untight package can be generated after sealing, liquid leakage occurs in the subsequent packaging or transportation process, and other products are easily polluted. Therefore, the product needs to be subjected to leakage detection after sealing.

The existing Chinese patent with the publication number of CN207763896U discloses a mask leak detection device, which comprises a leak detection roller, a conveyor belt and a conveying table board, wherein the leak detection roller crosses over the conveyor belt through a rotating shaft, the leak detection roller is electrically connected with a first motor, the conveyor belt is electrically connected with a second motor, two ends of the rotating shaft are welded on support blocks, each support block comprises an upper support plate and a lower support plate, vertical support rods are welded on the upper support plates, and springs are welded below the lower support plates; the upper portion of the supporting rod is connected with a connecting block through a first nut, and a balance rod parallel to the central line of the leakage detection roller is connected onto the connecting block.

By adopting the scheme, the second motor is driven to drive the conveying belt to rotate so as to convey the sealed facial mask to the lower part of the leakage detection roller, and after the leakage detection roller applies force to the facial mask, leakage of the facial mask with an untight seal can occur; however, in this leak detection method, the leak detection roller needs to reasonably apply an extrusion force to the mask, and if the extrusion force is too small, the mask with an untight seal cannot be detected, i.e., the detection efficiency is not high, and there is a place to be improved.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims to provide a take out pressure formula leak hunting device is through taking out the air that presses the mouth extraction sealed intracavity with the help of taking out the compression air pump for negative pressure appears in the sealed intracavity, and then seals not tight facial mask and take place the weeping phenomenon, through the mode of taking out the pressure promptly, improved detection efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a take out pressure formula leak hunting device, includes frame, leak hunting platform and first conveyer belt, first conveyer belt sets up in the frame, leak hunting platform sets up in the frame, just leak hunting platform sets up one side at first conveyer belt direction of delivery, the top of leak hunting platform is provided with the seal box, set up opening downward seal chamber on the seal box, be provided with the driving piece that is used for driving the seal box up-and-down motion in the frame, leak hunting bench has seted up and has taken out the pressure mouth, it has the pump of taking out pressure to take out the pressure mouth through taking out the pressure pipe intercommunication.

Through adopting above-mentioned technical scheme, in-service use, after the face pack was carried to leak hunting bench by first conveyer belt, utilize the driving piece to establish leak hunting bench with the seal box downstream until the cover to make the face pack be located sealed intracavity, later with the help of take out the air of pressure air pump through taking out the pressure mouth extraction in the sealed intracavity, make negative pressure state appear in the sealed intracavity, and then seal not tight face pack and take place the weeping phenomenon, and then accomplish the operation of leak hunting, through the mode of taking out the pressure promptly, detection efficiency has been improved.

The utility model discloses further set up to: the driving piece is a telescopic cylinder, the telescopic cylinder is arranged on the rack, a piston rod of the telescopic cylinder is vertically arranged downwards, and the lower end of the piston rod is fixed on the upper side of the seal box.

Through adopting above-mentioned technical scheme, in the in-service use, adopt telescopic cylinder drive seal box to carry out elevating movement, guarantee the normal elevating movement of seal box.

The utility model discloses further set up to: the leak detection table is provided with a sealing groove matched with the shape of the opening of the sealing box, and the edge of the opening of the sealing box is embedded into the sealing groove.

Through adopting above-mentioned technical scheme, in the in-service use, with the edgewise embedding seal groove of seal box opening part, improve the leakproofness in seal box inner seal chamber, guarantee the normal clear of pumping operation.

The utility model discloses further set up to: and check rings are arranged on the periphery of the pressure extraction port of the leakage detection table.

Through adopting above-mentioned technical scheme, in the in-service use, when the pump is pressed the air of sealing chamber through the pump pressure mouth to take out, if seal not tight facial mask emergence weeping, the retaining ring of pump pressure mouth week side can prevent effectively that the liquid that the facial mask spilt from flowing into the pump pressure mouth, and then guarantees the normal clear of pump pressure operation.

The utility model discloses further set up to: the seal box is a transparent box body.

Through adopting above-mentioned technical scheme, at the actual extraction and compression in-process, the staff is direct to observe the facial mask of seal chamber through the seal box of transparent box to the real-time developments of direct observation facial mask guarantee not excessively to extract and press, and then guarantee the normal clear of leak hunting operation.

The utility model discloses further set up to: one side that the leak hunting platform deviates from first conveyer belt is provided with the second conveyer belt, the last rotation connection of leak hunting platform is provided with the fly leaf, the axis that the fly leaf rotated the junction with the leak hunting platform is perpendicular with direction of delivery, the fly leaf rotates one side that the pivot setting of junction is close to the second conveyer belt at the fly leaf with the leak hunting platform, the leak hunting bench is provided with driving motor, driving motor's output shaft and the coaxial fixed of pivot on the fly leaf, leak hunting bench and be provided with the sealing member between the fly leaf.

By adopting the technical scheme, in actual use, after the leak detection operation is finished, a worker drives the telescopic cylinder to lift the seal box upwards, then the driving motor drives the movable plate to rotate, the mask with a normal seal on the movable plate is turned over to the second conveying belt, and the second conveying belt can convey the mask to the next position, so that the labor intensity of workers is reduced; and the normal operation of the pumping operation is ensured by using a sealing element between the leakage detecting table and the movable plate.

The utility model discloses further set up to: the leak detection table is provided with a discharge chute below the movable plate, and a collection box is arranged below the discharge chute.

Through adopting above-mentioned technical scheme, in-service use, the weeping phenomenon appears in the facial mask on the fly leaf, and the staff drives the fly leaf to the blowpit internal rotation to make the facial mask on the fly leaf fall into the collection box of blowpit below from the blowpit, realized the letter sorting operation of facial mask promptly, simultaneously, reduced artifical intensity of labour.

The utility model discloses further set up to: the sealing element is arranged as a sealing glue.

Through adopting above-mentioned technical scheme, set up the sealing member into sealed glue, when guaranteeing the sealed effect between fly leaf and the leak hunting platform, do not influence the rotation of fly leaf.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the air in the sealing cavity is pumped through the pumping port by the pumping air pump, so that negative pressure occurs in the sealing cavity, and the leakage phenomenon of the mask with an untight seal occurs, namely the detection efficiency is improved in a pumping mode;

the edge at the opening of the seal box is embedded into the seal groove, and the sealant is arranged between the movable plate and the leak detection table, so that the sealing property in the seal cavity is improved, and the normal operation of the pumping operation is ensured;

utilize to rotate the fly leaf of connection on the leak hunting bench, realize convenient and fast to the letter sorting operation of facial mask.

Drawings

Fig. 1 is a schematic axial view of the overall structure of the suction-pressure leak detection apparatus according to the present embodiment;

fig. 2 is a sectional view mainly showing the structure of the pressure-pumping leak detection apparatus in the state where the movable plate is opened.

Reference numerals: 1. a frame; 2. a leak detection table; 21. a pressure extraction port; 22. a retainer ring; 23. a discharge chute; 24. a collection box; 25. a sealing groove; 3. a first conveyor belt; 4. a sealing box; 41. sealing the cavity; 5. a drive member; 6. a pressure air pump is pumped; 7. a second conveyor belt; 8. a movable plate; 9. a drive motor; 10. and (7) sealing the glue.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1 and 2, a pumping pressure type leak detection device includes a frame 1, a leak detection table 2 and a first conveyor belt 3, the leak detection table 2 is rectangular, the leak detection table 2 is mounted on the frame 1, the first conveyor belt 2 is mounted on the frame 1, the leak detection table 2 is located on one side of the first conveyor belt 3 in the conveying direction, and the height of the leak detection table 2 is equal to the height of the first conveyor belt 3; a seal box 4 is arranged right above the leak detection table 2, and a seal cavity 41 with a downward opening is formed in the seal box 4; be provided with the driving piece 5 that is used for the vertical direction motion of drive seal box 4 on the frame 1, seted up on leak hunting platform 2 and taken out pressure mouth 21, taken out pressure mouth 21 and had the pump 6 of taking out pressure through taking out the pressure pipe intercommunication. In practical use, after the facial mask is conveyed to leak detection platform 2 by first conveyer belt 3, utilize driving piece 5 to move seal box 4 downwards until covering establish leak detection platform 2 on to make the facial mask be located seal chamber 41, later with the help of take out the air that pressure air pump 6 passed through take out pressure mouth 21 and extracted seal chamber 41, make the facial mask that seals not tight appear the weeping, and then accomplish the leak detection operation.

The driving piece 5 is a telescopic cylinder, the telescopic cylinder is installed on the rack 1, a piston rod of the telescopic cylinder is vertically arranged downwards, and the lower end of the piston rod is fixed at the center of the upper side of the seal box 4. In actual use, the staff utilizes telescopic cylinder to realize the motion of seal box 4 vertical direction.

A retainer ring 22 is vertically fixed on the peripheral side of the pressure extraction opening 21 to prevent the leakage of the facial mask from flowing into the pressure extraction opening 21.

In order to ensure that excessive pressure is not pumped, the sealing box 4 is set to be a transparent box body, and a worker observes the condition of the facial mask in the sealing cavity 41 in the process of pressure pumping in real time.

A second conveying belt 7 is arranged on one side of the leak detection table 2, which is far away from the first conveying belt 3, and the height of the second conveying belt 7 is equal to that of the leak detection table 2; a discharge chute 23 is formed in the leak detection table 2, and a collection box 24 is arranged right below the discharge chute 23; a movable plate 8 is rotatably connected in the discharge chute 23, the axis of the rotary joint of the movable plate 8 and the leak detection table 2 is perpendicular to the conveying direction of the first conveying belt 3, and the rotating shaft of the rotary joint of the movable plate 8 and the leak detection table 2 is positioned on one side of the movable plate 8 close to the second conveying belt 7; two pressure extraction ports 21 are arranged, and the two pressure extraction ports 21 are respectively positioned at two sides of the movable plate 8 in the width direction; the leak detection table 2 is provided with a driving motor 9, and the output end of the driving motor 9 is coaxially fixed with the rotating shaft of the movable plate 8. In practical use, when the edge sealing of the facial mask on the movable plate 8 is normal, the driving motor 9 drives the movable plate 8 to turn towards the second conveyor belt 7, so that the facial mask on the movable plate 8 falls on the second conveyor belt 7, and the facial mask delivery operation is completed; when the facial mask on the movable plate 8 leaks, the driving motor 9 drives the movable plate 8 to rotate towards the discharging slot 23, so that the facial mask on the movable plate 8 falls into the collecting box 24 below from the discharging slot 23, and the facial mask sorting operation is completed.

In order to improve the sealing performance in the sealing cavity 41, a sealing groove 25 matched with the shape of the opening of the sealing box 4 is formed in the leakage detection table 2, and the edge of the opening of the sealing box 4 is completely embedded into the sealing groove 25; in addition, a sealing element is arranged between the movable plate 8 and the leak detection table 2, and the sealing element is provided with sealing glue 10, so that the rotation of the movable plate 8 is not hindered while the sealing performance in the sealing cavity 41 is ensured.

The present embodiment is further described below with reference to specific actions:

in practical use, when a mask is conveyed to the movable plate 8 on the leak detection table 2 by the first conveying belt 3, the telescopic cylinder is driven to drive the seal box 4 to vertically move downwards until the edge of the opening of the seal box 4 is completely embedded into the seal groove 25 on the leak detection table 2, and at the moment, the mask is positioned in the seal cavity 41; then, the air in the sealed cavity 41 is pumped out through the pumping port 21 by the pumping air pump 6, and the sealed box 4 is a transparent box body, so that a worker can directly observe the real-time condition of the inner surface film of the sealed cavity 41 in the pumping process;

when the interior of the sealed cavity 41 is in a negative pressure state, pressure pumping is finished, then the telescopic cylinder is driven to vertically lift the sealed box 4 upwards, and for the facial mask with an untight seal, a worker drives the driving motor 9 to enable the movable plate 8 to rotate towards the direction of the collecting box 24, so that the facial mask with the untight seal falls into the collecting box 24 from the discharging chute 23; for the normal facial mask that seals, staff's drive driving motor 9 makes fly leaf 8 rotate to second conveyer belt 7 direction and then will seal normal facial mask upset to second conveyer belt 7 on, transport the facial mask to next position.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a suction pressure formula leak hunting device, includes frame (1), leak hunting platform (2) and first conveyer belt (3), its characterized in that, first conveyer belt (3) set up in frame (1), leak hunting platform (2) set up in frame (1), just leak hunting platform (2) set up in one side of first conveyer belt (3) direction of delivery, the top of leak hunting platform (2) is provided with seal box (4), opening downwardly sealed chamber (41) have been seted up on seal box (4), be provided with driving piece (5) that are used for driving seal box (4) up-and-down motion on frame (1), it takes out pressure mouth (21) to have been seted up on leak hunting platform (2), it has suction pressure air pump (6) to take out pressure mouth (21) through the suction pressure pipe intercommunication.

2. An extraction leak detection device according to claim 1, characterized in that the drive element (5) is a telescopic cylinder, which is arranged on the machine frame (1), the piston rod of which is arranged vertically downwards and the lower end of which is fixed on the upper side of the seal box (4).

3. An evacuation leak detection apparatus according to claim 2, wherein the leak detection table (2) is provided with a sealing groove (25) adapted to the shape of the opening of the seal box (4), and the rim of the opening of the seal box (4) is embedded in the sealing groove (25).

4. A vacuum leak detection device according to claim 3, wherein the leak detection stage (2) is provided with a stopper (22) on the peripheral side of the vacuum port (21).

5. A vacuum leak detection apparatus according to claim 3, characterized in that the sealing box (4) is provided as a transparent box.

6. A suction leak detection device according to claim 5, characterized in that one side of the leak detection stage (2) facing away from the first conveyor belt (3) is provided with a second conveyor belt (7), the leak detection stage (2) is rotatably connected with a movable plate (8), the axis of the rotary joint of the movable plate (8) and the leak detection stage (2) is perpendicular to the conveying direction, the rotary shaft of the rotary joint of the movable plate (8) and the leak detection stage (2) is arranged on one side of the movable plate (8) close to the second conveyor belt (7), the leak detection stage (2) is provided with a driving motor (9), the output shaft of the driving motor (9) is coaxially fixed with the rotary shaft on the movable plate (8), and a sealing member is arranged between the leak detection stage (2) and the movable plate (8).

7. An evacuated leak detection device according to claim 6, characterized in that the leak detection station (2) is provided with a discharge chute (23) below the movable plate (8), and a collection box (24) is provided below the discharge chute (23).

8. An apparatus according to claim 6, characterized in that the sealing element is provided as a sealing compound (10).