CN116242542A

CN116242542A - Plastic bottle gas tightness detection device

Info

Publication number: CN116242542A
Application number: CN202310202468.8A
Authority: CN
Inventors: 夏雄峰
Original assignee: Hangzhou Zhenhua Daily Chemical Packaging Technology Co ltd
Current assignee: Hangzhou Zhenhua Daily Chemical Packaging Technology Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-06-09

Abstract

The invention provides a plastic bottle air tightness detection device, which relates to the technical field of air tightness detection and comprises a detection box; the inside of the detection box is fixedly connected with an air supply box; the front side of the air supply box is fixedly connected with an air cylinder; a connecting rod is fixedly arranged at the top of the movable frame; a rack is fixedly arranged at the top of the connecting rod; the separation piece comprises a rotating shaft, the rotating shaft is movably clamped in the air inlet, a gear is fixedly arranged on the rotating shaft and is meshed with the rack, the position of the round hole is correspondingly changed after the movable frame is pushed by the air cylinder to move, the air inlet is closed, meanwhile, the connecting rod synchronously moves along with the movable frame to drive the rack at the top to move, then the gear is driven to rotate, the rotating shaft rotates for half a circle, the rotating shaft synchronously drives the baffle to rotate, the baffle and the sealing ring are sealed after half a circle are rotated, the air inlet is sealed, air supply or closing can be realized at the position of the air inlet, and the problem that opening and closing are difficult to realize at an air supply port is solved.

Description

Plastic bottle gas tightness detection device

Technical Field

The invention relates to the technical field of air tightness detection, in particular to a plastic bottle air tightness detection device.

Background

The plastic bottle is widely used in the fields of food packaging, product packaging, environmental decoration and the like due to the characteristics of light weight, low price, durability and the like, and in order to ensure the quality stability and the safety of packaged foods in the storage and transportation process, the plastic bottle is required to be subjected to air tightness detection in the production process of the plastic bottle and before material packaging, the air tightness detection is required to be carried out after a hydraulic test is qualified, the air tightness test can be carried out simultaneously with the air tightness test, the test pressure is the pressure of the air tightness test, and the air used in the air tightness test is dry and clean air, nitrogen or other inert gases.

However, the traditional air tightness detection of the plastic bottle is difficult to separate the pipeline port for conveying the air, the air pressure is simply pressurized by means of the air conveying pump, the air pressure accuracy is easily affected by the air reserved in the pipeline, and the opening and closing of the air conveying port are difficult to realize; when carrying out the gas tightness to the plastic bottle and examining, need place the plastic bottle fixedly, traditional dependence is placed or is blocked the inside mode of fixing of draw-in groove, is difficult to ensure the stability of placing, causes easily to empty after the atmospheric pressure pressurization, influences the testing result.

Disclosure of Invention

In view of the above, the present invention provides a plastic bottle air tightness detecting device having a blocking member that can block an air inlet so as to achieve air supply or shut-down at the air inlet position.

The invention provides a plastic bottle air tightness detection device, which particularly comprises a detection box; the inside of the detection box is fixedly connected with an air supply box; the top of the air supply box is fixedly provided with an air inlet, the front side of the air supply box is fixedly connected with an air cylinder, the front side of the air supply box is fixedly connected with a connecting plate, the front side and the rear side of the inside of the air supply box are fixedly connected with mounting pieces, and the bottom of the air supply box is connected with a fixing frame in a sealing manner through a flange; the tail end of the pushing rod in the cylinder is fixedly connected with a movable frame; the top of the movable frame is fixedly provided with a connecting rod, and the movable frame is movably clamped in the air supply box; a rack is fixedly arranged at the top of the connecting rod; a blocking piece is arranged in the air inlet; the blocking piece comprises a rotating shaft which is movably clamped in the air inlet, and a gear is fixedly arranged on the rotating shaft and is meshed with the rack; a telescopic rod is arranged at the bottom of the fixing frame; the clamping mechanism is installed to the bottom of telescopic link, and telescopic link and external circuit controller electrical property link to each other.

Optionally, the roof top surface of detection case is fixed and is provided with the handle, and the right side outside of detection case is equipped with fixation nut, fixation nut cooperation screw rod fixed connection air feed box, and the roof of detection case is through the automatically controlled magnetism of external circuit controller and inhale sealing connection to the top of detection case.

Optionally, the left side of the air feed box is fixedly connected with a mounting plate through a bolt assembly, the inside of the mounting plate is penetrated by the movable frame, an air inlet at the top of the air feed box penetrates through a top plate of the detection box, the mounting plate is fixedly connected to a connecting plate through the bolt assembly, and the connecting plate is fixedly connected with a cylinder body of the cylinder through the connecting assembly.

Optionally, the movable frame is also provided with a round hole, the aperture of the round hole is equal to the aperture of the air inlet, and the top surface of the connecting rod is fixed and vertically provided with two groups of clamping plates.

Optionally, the mounting comprises link plate and slide, and the link plate passes through the inboard of bolt assembly fixed connection to the connecting plate, and slide fixed connection is in the inboard of link plate, and the inboard of slide is equipped with the groove, and the slip joint removes the frame in the groove.

Optionally, the separation piece further comprises a baffle and a sealing ring, wherein the baffle is fixedly connected to the rotating shaft, and the sealing ring is fixedly connected to the inner wall of the air inlet.

Optionally, clamping mechanism is including push rod, sleeve pipe, jack catch and placing the dish, the top fixed connection of push rod is to the bottom of telescopic link, and push rod activity joint is inside the sheathed tube, and the telescopic bottom is inside the jack catch through axle activity joint, and the jack catch is located the top of placing the dish.

Optionally, the bottom fixed of push rod is provided with the link, and the outside activity joint of link has the pull rod, and the outside wall inslot of pull rod activity joint at the push rod, the bottom of pull rod is through axle swing joint to the jack catch.

Advantageous effects

According to the air tightness detection device disclosed by the embodiment of the invention, compared with the traditional air tightness detection device, after the movable frame is pushed by the air cylinder to move, the position of the round hole is correspondingly changed, so that the air inlet is closed, meanwhile, the connecting rod synchronously moves along with the movable frame, the rack at the top is driven to move, then the driving gear is driven to rotate, the rotating shaft is enabled to rotate for half a circle, the rotating shaft synchronously drives the baffle to rotate, and the sealing between the baffle and the sealing ring is realized after half a circle of rotation, so that the air inlet is closed, and air supply or closing can be realized at the position of the air inlet.

In addition, when the telescopic link moves down the back and drives the push rod and move down, promote the sleeve pipe and move down to detect the inside bottom surface of case after, the sleeve pipe can't continue to move down, and the push rod continues to move down and promotes the pull rod and move down while the bottom to the centre, promotes then that the jack catch closes to the centre, presss from both sides tightly fixedly the bottom of the plastic bottle that treats the detection, and it emptys after avoiding atmospheric pressure pressurization, influences the testing result.

In addition, after the movable frame moves to open and close the air inlet in the air supply box, the rack and the clamping plate move synchronously, the clamping plate plays a limiting role on the gear, and the gear is prevented from rotating in a non-working state of the air cylinder, so that self-locking is realized.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.

In the drawings:

fig. 1 shows a schematic structural view of a detection box according to the present invention;

FIG. 2 is a schematic view showing the structure of the air supply cassette according to the present invention;

FIG. 3 shows a schematic view of the front side angular structure of FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view showing a structure of an air supply cassette according to the present invention;

FIG. 5 shows a schematic partial construction of a push rod and sleeve according to the present invention;

FIG. 6 shows an enlarged schematic view of the structure of FIG. 4 at A in accordance with the present invention;

FIG. 7 is an enlarged schematic view of the structure of FIG. 5B according to the present invention;

fig. 8 shows an enlarged schematic view of the structure of fig. 4 at C according to the present invention.

List of reference numerals

1. A detection box; 101. a handle; 102. a fixing nut; 2. an air supply box; 201. an air inlet; 202. a mounting plate; 203. a cylinder; 3. a moving rack; 301. a connecting rod; 3011. a rack; 3012. a clamping plate; 302. a round hole; 4. a connecting plate; 5. a mounting member; 51. a connecting plate; 52. a slideway; 6. a barrier; 61. a rotating shaft; 6101. a gear; 62. a baffle; 63. a seal ring; 7. a fixing frame; 701. a telescopic rod; 8. a clamping mechanism; 81. a push rod; 8101. a connecting frame; 8102. a pull rod; 82. a sleeve; 83. a claw; 84. the tray is placed.

Detailed Description

In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.

Examples: please refer to fig. 1 to 8:

the invention provides a plastic bottle air tightness detection device, which comprises a detection box 1; the inside of the detection box 1 is fixedly connected with an air supply box 2; the top of the air feed box 2 is fixedly provided with an air inlet 201, the front side of the air feed box 2 is fixedly connected with an air cylinder 203, the front side of the air feed box 2 is fixedly connected with a connecting plate 4, the front side and the rear side of the inside of the air feed box 2 are fixedly connected with mounting pieces 5, and the bottom of the air feed box 2 is connected with a fixing frame 7 through a flange in a sealing way; the tail end of the pushing rod in the cylinder 203 is fixedly connected with a movable frame 3; the top of the movable frame 3 is fixedly provided with a connecting rod 301, and the movable frame 3 is movably clamped in the air supply box 2; a rack 3011 is fixedly arranged at the top of the connecting rod 301; the inside of the air inlet 201 is provided with a blocking member 6; the blocking piece 6 comprises a rotating shaft 61, the rotating shaft 61 is movably clamped in the air inlet 201, a gear 6101 is fixedly arranged on the rotating shaft 61, and the gear 6101 is in meshed connection with the rack 3011; the bottom of the fixed frame 7 is provided with a telescopic rod 701; the clamping mechanism 8 is installed at the bottom end of the telescopic rod 701, and the telescopic rod 701 is electrically connected with an external circuit controller.

In addition, as shown in fig. 6, the blocking member 6 further includes a baffle 62 and a sealing ring 63, the baffle 62 is fixedly connected to the rotating shaft 61, the sealing ring 63 is fixedly connected to the inner wall of the air inlet 201, when the rotating shaft 61 is meshed with the gear 6101 through the rack 3011 to drive rotation, the rotating shaft 61 synchronously drives the baffle 62 to rotate, the baffle 62 and the sealing ring 63 are sealed after half of rotation, the gear 6101 is limited by the clamping plate 3012 and cannot rotate, and then self-locking is achieved, so that opening and closing of the air inlet 201 are achieved.

In addition, as shown in fig. 2 and fig. 3, the left side of the air feeding box 2 is fixedly connected with a mounting plate 202 through a bolt assembly, the inside of the mounting plate 202 is penetrated by the movable frame 3, an air inlet 201 at the top of the air feeding box 2 penetrates through the top plate of the detection box 1, the mounting plate 202 is fixedly connected to a connecting plate 4 through the bolt assembly, the connecting plate 4 is fixedly connected with the cylinder body of the air cylinder 203 through the connecting assembly, the top plate of the detection box 1 can be opened in a rotating way by taking the air inlet 201 as the center of a circle and can not fall after being opened through the handle 101, the air inlet 201 provides an air charging channel for the inside of the air feeding box 2, the air feeding box 2 can detect the air tightness of the plastic bottle, and the connecting plate 4 provides a fixed foundation for the installation of the air cylinder 203.

In addition, as shown in fig. 3, a circular hole 302 is further formed in the moving frame 3, the aperture of the circular hole 302 is equal to the aperture of the air inlet 201, two groups of clamping plates 3012 are fixedly and vertically arranged on the top surface of the connecting rod 301, after the moving frame 3 is pushed by the air cylinder 203 to move, the position of the circular hole 302 is correspondingly changed, the air inlet 201 is smooth or blocked, the opening and closing functions of the air supply box 2 are realized, when the connecting rod 301 moves synchronously with the moving frame 3, the rack 3011 at the top is driven to move, then the gear 6101 is driven to rotate, the rotating shaft 61 is driven to rotate for half a circle, the clamping plates 3012 play a limiting role on the gear 6101, and the gear 6101 rotates under the state that the air cylinder 203 does not work, so as to realize self-locking.

In addition, as shown in fig. 3, fig. 4 and fig. 5, the clamping mechanism 8 comprises a push rod 81, a sleeve 82, a claw 83 and a placing disc 84, the top end of the push rod 81 is fixedly connected to the bottom end of the telescopic rod 701, the push rod 81 is movably clamped inside the sleeve 82, the bottom of the sleeve 82 is movably clamped inside the claw 83 through a shaft, the claw 83 is located above the placing disc 84, when the telescopic rod 701 moves downwards, the push rod 81 is driven to move downwards, after the sleeve 82 is pushed to move downwards to the bottom surface inside the detection box 1, the sleeve 82 cannot move downwards continuously, and the claw 83 can be pushed to rotate inwards by the push rod 81 continuously downwards, so that a plastic bottle to be detected is clamped and fixed on the top surface of the placing disc 84.

In addition, as shown in fig. 7, a connecting frame 8101 is fixedly arranged at the bottom end of the push rod 81, a pull rod 8102 is movably clamped outside the connecting frame 8101, the pull rod 8102 is movably clamped in an outer wall groove of the push rod 81, the bottom end of the pull rod 8102 is movably connected to a claw 83 through a shaft, after the claw 83 contacts the bottom surface inside the detection box 1, the push rod 81 continuously moves downwards to push the pull rod 8102 to move downwards, meanwhile, the bottom end moves towards the middle, then the claw 83 is pushed to retract towards the middle, and the bottom of a plastic bottle to be detected is clamped and fixed.

In addition, as shown in fig. 8, the mounting member 5 is composed of a connecting plate 51 and a slide way 52, the connecting plate 51 is fixedly connected to the inner side of the connecting plate 4 through a bolt assembly, the slide way 52 is fixedly connected to the inner side of the connecting plate 51, a groove is formed in the inner side of the slide way 52, the moving frame 3 is clamped in the groove in a sliding manner, and the mounting member 5 is used for providing a moving and clamping foundation of the moving frame 3, so that the moving frame 3 can move in an oriented manner.

In addition, as shown in fig. 1, a handle 101 is fixedly arranged on the top surface of a top plate of the detection box 1, a fixing nut 102 is arranged outside the right side of the detection box 1, the fixing nut 102 is fixedly connected with the air supply box 2 in cooperation with a screw rod, the top plate of the detection box 1 is connected to the top of the detection box 1 in an electric-controlled magnetic-attraction sealing manner through an external circuit controller, and the detection box 1 and the top plate are matched to enable the inside of the detection box 1 to form a closed space so as to perform air tightness detection, and meanwhile, the handle 101 enables the top plate to be conveniently opened after being demagnetized through the control of the external circuit.

Specific use and action of the embodiment: in the invention, when the telescopic rod 701 moves downwards to drive the push rod 81 to move downwards, after the sleeve 82 is pushed to move downwards to the bottom surface inside the detection box 1, the sleeve 82 cannot move downwards continuously, the push rod 81 continues to move downwards to push the pull rod 8102 to move downwards while the bottom end moves towards the middle, and then the claw 83 is pushed to retract towards the middle, so that the bottom of a plastic bottle to be detected is clamped and fixed;

after the movable frame 3 is pushed by the air cylinder 203 to move, the position of the round hole 302 is correspondingly changed, so that the air inlet 201 is closed, meanwhile, the connecting rod 301 synchronously moves along with the movable frame 3, then drives the gear 6101 to rotate, the rotating shaft 61 rotates for half a circle, the rotating shaft 61 synchronously drives the baffle 62 to rotate, the baffle 62 and the sealing ring 63 are sealed after half a circle of rotation, the air inlet 201 is closed, the clamping plate 3012 plays a limiting role on the gear 6101, the gear 6101 rotates under the state that the air cylinder 203 is prevented from working, self-locking is realized, the air inlet 201 provides an air charging channel for the inside of the air feeding box 2, and the air feeding box 2 can perform air tightness detection on plastic bottles.

Claims

1. The air tightness detection device for the plastic bottle is characterized by comprising a detection box (1); an air supply box (2) is fixedly connected inside the detection box (1); an air inlet (201) is fixedly arranged at the top of the air supply box (2), an air cylinder (203) is fixedly connected to the front side of the air supply box (2), a connecting plate (4) is fixedly connected to the front side of the air supply box (2), mounting pieces (5) are fixedly connected to the front side and the rear side of the inside of the air supply box (2), and a fixing frame (7) is connected to the bottom of the air supply box (2) in a sealing manner through a flange; the tail end of a pushing rod in the cylinder (203) is fixedly connected with a movable frame (3); the top of the movable frame (3) is fixedly provided with a connecting rod (301), and the movable frame (3) is movably clamped in the air supply box (2); a rack (3011) is fixedly arranged at the top of the connecting rod (301); a blocking piece (6) is arranged in the air inlet (201); the blocking piece (6) comprises a rotating shaft (61), the rotating shaft (61) is movably clamped in the air inlet (201), a gear (6101) is fixedly arranged on the rotating shaft (61), and the gear (6101) is in meshed connection with the rack (3011); a telescopic rod (701) is arranged at the bottom of the fixing frame (7); the bottom end of the telescopic rod (701) is provided with a clamping mechanism (8), and the telescopic rod (701) is electrically connected with an external circuit controller.

2. The plastic bottle air tightness detection device according to claim 1, wherein: the top plate top surface of detection case (1) is fixed and is provided with handle (101), and the right side outside of detection case (1) is equipped with fixation nut (102), and fixation nut (102) cooperation screw rod fixed connection air feed box (2), the top plate of detection case (1) is through the automatically controlled magnetism of external circuit controller and is inhaled sealing connection to the top of detection case (1).

3. The plastic bottle air tightness detection device according to claim 1, wherein: the left side of the air feed box (2) is fixedly connected with a mounting plate (202) through a bolt assembly, the inside of the mounting plate (202) is penetrated by the movable frame (3), an air inlet (201) at the top of the air feed box (2) penetrates through the top plate of the detection box (1), the mounting plate (202) is fixedly connected to a connecting plate (4) through the bolt assembly, and the connecting plate (4) is fixedly connected with the cylinder body of the cylinder (203) through the connecting assembly.

4. The plastic bottle air tightness detection device according to claim 1, wherein: the movable frame (3) is also provided with a round hole (302), the aperture of the round hole (302) is equal to the aperture of the air inlet (201), and the top surface of the connecting rod (301) is fixed and vertically provided with two groups of clamping plates (3012).

5. The plastic bottle air tightness detection device according to claim 1, wherein: the installation piece (5) is composed of a connecting plate (51) and a slide way (52), the connecting plate (51) is fixedly connected to the inner side of the connecting plate (4) through a bolt assembly, the slide way (52) is fixedly connected to the inner side of the connecting plate (51), a groove is formed in the inner side of the slide way (52), and the groove is in sliding clamping connection with the movable frame (3).

6. A plastic bottle air tightness detection device according to claim 3, wherein: the blocking piece (6) further comprises a baffle plate (62) and a sealing ring (63), the baffle plate (62) is fixedly connected to the rotating shaft (61), and the sealing ring (63) is fixedly connected to the inner wall of the air inlet (201).

7. The plastic bottle air tightness detection device according to claim 1, wherein: clamping mechanism (8) is including push rod (81), sleeve pipe (82), jack catch (83) and place dish (84), the top fixed connection of push rod (81) is to the bottom of telescopic link (701), and push rod (81) activity joint is inside sleeve pipe (82), and the bottom of sleeve pipe (82) is inside jack catch (83) through axle activity joint, and jack catch (83) are located the top of placing dish (84).

8. The plastic bottle air tightness detection device according to claim 7, wherein: the bottom end fixing of push rod (81) is provided with link (8101), and the outside activity joint of link (8101) has pull rod (8102), and in the outer wall groove of push rod (81) was pressed in to pull rod (8102) activity joint, the bottom of pull rod (8102) was through axle swing joint to jack catch (83).