CN112729707A

CN112729707A - Airtightness detection equipment for production of clothing zippers

Info

Publication number: CN112729707A
Application number: CN202110070668.3A
Authority: CN
Inventors: 李琴
Original assignee: Wyse Industrial Shenzhen Co ltd
Current assignee: Wyse Industrial Shenzhen Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-04-30
Anticipated expiration: 2041-01-19
Also published as: CN112729707B

Abstract

The invention discloses air tightness detection equipment for producing a clothes zipper, which belongs to the technical field of air tightness detection equipment for producing a clothes zipper and comprises a workbench, wherein the top of the workbench is fixedly connected with a lower pressing plate, the top of the lower pressing plate is provided with a placing groove, and the top of the workbench is fixedly connected with an L-shaped connecting plate; when the zipper is subjected to hermetic seal detection, the top of the zipper is firstly pressed by the compression rollers, so that the zipper is prevented from being rolled up left and right, when the zipper is pressed downwards by the upper pressing plate, the two compression rollers are driven to move towards the outer side of the zipper, the front side and the rear side of the zipper are rolled and flattened, the upper pressing plate descends and completely presses the periphery of the zipper together with the lower pressing plate, the zipper is prevented from being rolled or deviated when the zipper is pressed downwards by the upper pressing plate, the periphery of the zipper can be completely pressed and sealed when the upper pressing plate and the lower pressing plate are pressed each time, and the accuracy of the airtight detection of the zipper is ensured.

Description

Airtightness detection equipment for production of clothing zippers

Technical Field

The invention relates to the technical field of air tightness detection equipment for production of clothes zippers, in particular to air tightness detection equipment for production of clothes zippers.

Background

The airtight zipper can be used for isolating liquid, air, water vapor, dust and light, and is mainly applied to protective clothing or sealing sleeves in special occasions such as space suits, diving suits, escape suits and the like. The air tightness is an important index for determining the overall performance of the airtight zipper, so that the air tightness test is an essential key step for producing the airtight zipper.

In the invention case of the zipper airtightness testing device disclosed in the prior art, the invention is a Chinese patent with the patent application number of CN201821129867.7, and the zipper airtightness testing device comprises a frame, wherein a lower pressing block for placing a zipper to be tested is arranged on the frame, an upper pressing block movably attached to the surface of the lower pressing block for placing the zipper to be tested is arranged on the frame above the lower pressing block, a moving mechanism for driving the upper pressing block to be attached to or separated from the lower pressing block is connected to the upper pressing block, a through water groove is formed in the upper pressing block, a water inlet and a water outlet communicated with the through water groove are formed in the upper pressing block, the water inlet and the water outlet are connected to a water tank to form a circulating water path through a water pump, an air inlet groove matched with the through water groove is formed in the lower pressing block, an air inlet and an air outlet communicated with the air inlet groove are formed in the lower pressing, the air inlet and the air outlet are connected to an air source.

When the gas tightness zip fastener that will wait to detect among the prior art is placed and is examined time measuring at the holding down plate top, because there is the rolling of certain circumstances in partial gas tightness zip fastener self lateral wall, when personnel place the gas tightness zip fastener at the holding down plate top, zip fastener self rolling leads to the zip fastener edge to move to the inboard, break away from the position that compresses tightly of holding down plate and top board, when the top board is downwards with holding down plate pressfitting sealed zip fastener four weeks, can't thoroughly seal the zip fastener all around, lead to the gas tightness of unable accurate detection zip fastener, influence the detection effect of zip fastener.

Based on the above, the invention designs the air tightness detection equipment for producing the clothes zipper, so as to solve the problems.

Disclosure of Invention

The invention aims to provide air tightness detection equipment for clothing zipper production, and aims to solve the problems that when an air tightness zipper to be detected is placed at the top of a lower pressing plate for detection in the prior art, due to the fact that partial air tightness zippers are rolled under certain conditions on the side walls of the air tightness zippers, when a person places the air tightness zipper at the top of the lower pressing plate, the zipper edges move inwards due to rolling of the zipper, the zipper edges are separated from the pressing position of the lower pressing plate and the upper pressing plate, and when the upper pressing plate is pressed downwards and the lower pressing plate to seal the periphery of the zipper in a sealing mode, the periphery of the zipper cannot be completely sealed, the air tightness of the zipper cannot be accurately detected, and the detection effect of the zipper.

In order to achieve the purpose, the invention provides the following technical scheme: a airtightness detection device for production of clothing zippers comprises a workbench, wherein a lower pressing plate is fixedly connected to the top of the workbench, a placing groove is formed in the top of the lower pressing plate, an L-shaped connecting plate is fixedly connected to the top of the workbench, a telescopic cylinder is fixedly connected to the bottom surface of the L-shaped connecting plate, an upper pressing plate is fixedly connected to the bottom end of the telescopic cylinder, first sliding grooves are formed in the inner side wall of the placing groove, two first sliding blocks are connected to the first sliding grooves in a sliding mode, a compression roller is connected to the two first sliding blocks in the same side in a rotating mode, a pull rope is fixedly connected to the outer side wall of each first sliding block, four L-shaped supporting plates are fixedly connected to the top of the lower pressing plate, two guide wheels are rotatably connected to the side wall of each L-shaped supporting plate, the top end of each pull rope, the top end of the upper pressure plate is fixedly connected with the top of the upper pressure plate, a first spring is sleeved on the part of each pull rope between the first slide block and the first chute, the middle position of the placing chute is communicated with a first through pipe, the bottom end of the first through pipe is fixedly communicated with a cross through pipe, the right side of the cross through pipe is connected with a first sealing valve, the left end of the cross through pipe is fixedly communicated with a second sealing valve, the right end of the cross through pipe is communicated with an air feeder, the left end of the cross through pipe is fixedly communicated with a water collecting tank, the bottom of the workbench is fixedly connected with a placing plate, the air feeder and the water collecting tank are both positioned at the top of the placing plate, the top of the upper pressure plate is provided with an inlet pipe fixedly connected with the top of the workbench, the left side and the right side of the upper pressure plate are both slidably connected with pressure rods, one end of the second spring is fixedly connected to the bottom of the blocking disc, and the other end of the second spring is fixedly connected to the top of the upper pressure plate;

when the zipper sealing detection device works, when an airtight zipper to be detected is placed at the top of the lower pressing plate for detection in the prior art, due to the fact that the side wall of part of the airtight zipper is rolled under a certain condition, when a person places the airtight zipper at the top of the lower pressing plate, the zipper is rolled to cause the edge of the zipper to move inwards and break away from the pressing position of the lower pressing plate and the upper pressing plate, when the upper pressing plate is pressed with the lower pressing plate downwards to seal the periphery of the zipper downwards, the periphery of the zipper cannot be completely sealed, the airtightness of the zipper cannot be accurately detected, and the detection effect of the zipper is influenced. The zipper is compressed and positioned, the zipper is prevented from being rolled left and right, the zipper is ensured to be in a flat state, the zipper is favorably compressed and sealed by an upper pressing plate and a lower pressing plate, then a telescopic cylinder is controlled to stretch out, the upper pressing plate moves downwards under the driving of the telescopic cylinder and simultaneously pulls four pull ropes, the four pull ropes are guided by corresponding guide wheels, the pull ropes can pull corresponding first sliders to slide outwards along a first sliding groove, meanwhile, a press roller is driven to move outwards together, the press roller can roll and flatten the front and rear side walls of the zipper, the zipper is favorably compressed and sealed by the upper pressing plate and the lower pressing plate, when the pull ropes drive two press rollers to leave the middle position of the zipper, the left and right ends of the zipper are compressed by the left and right press rods at the bottom of the upper pressing plate, the press roller is positioned in a placing groove, the zipper is prevented from moving under the action of the press, the distance between the upper pressing plate and the lower pressing plate is short, the upper pressing plate can perform primary blocking on the side wall of the zipper, the side wall of the zipper is prevented from being wound, the upper pressing plate descends, the pressing roller is separated from the placing groove and enters the first sliding groove, the zipper is not influenced to be pressed downwards by the upper pressing plate, the periphery of the zipper is pressed tightly by the upper pressing plate and the lower pressing plate in a matching mode, an uncompacted area does not exist in the periphery of the zipper, then water enters from the water inlet pipe and is located in a sealing cavity formed by the upper pressing plate and the zipper, the first sealing valve is opened, the air feeder is started, air is introduced into the bottom of the zipper through the cross through pipe and the first through pipe, whether the water surface of the top of the zipper bubbles or not is observed, the air seal of the zipper is detected, if the air seal of the bubbling side zipper is insufficient, the air seal of the bubbling side zipper, the periphery of the zipper is not pressed any more, water at the top of the zipper flows out of the first through pipe from the side wall of the zipper and enters the water collecting tank through the cross through pipe, water is automatically discharged, meanwhile, the tensioning of a pull rope is released when the upper pressing plate rises, the first sliding block slowly moves towards the inner side under the action of the pressed first spring and resets, when the telescopic cylinder returns to the initial position, all mechanisms automatically return to the initial state, the two pressing rollers are opened, the zipper which is detected is taken out, and the detection of the zipper is completed, so that when the zipper is subjected to airtight detection every time, the top of the zipper is pressed by the pressing rollers first, the left side and the right side of the zipper are prevented from being rolled, the left side and the right side of the zipper are ensured to be positioned in the pressing area of the placing groove, when the upper pressing plate presses the zipper downwards, the two pressing rollers are driven to move towards the outer side of the zipper, avoid the zip fastener skew under the compression roller effect, when the compression roller breaks away from the zip fastener, the narrow and small clearance that top board and holding down plate formed blocks earlier around the zip fastener, and the top board descends and thoroughly compresses tightly the zip fastener all around with the holding down plate together, and the zip fastener rolling or skew when avoiding the top board to compress tightly the zip fastener in the downstream, can carry out thorough pressfitting seal all around with the zip fastener when guaranteeing the pressfitting of top board down at every turn, guarantees the accuracy that the gas tightness of zip fastener detected.

As a further scheme of the invention, an air cavity is formed at the top of the lower pressing plate, a rectangular sealing plate is connected on the inner side wall of the air cavity in a sliding manner, an air vent is formed in the middle of the rectangular sealing plate, a third pipe is fixedly communicated with the bottom of the air vent and surrounds the first pipe, a first magnet is arranged in the middle of each of the two pressing rollers, a second magnet corresponding to the first magnet is arranged in the rectangular sealing plate, third springs are fixedly connected on the left side and the right side of the bottom of the rectangular sealing plate, the bottom ends of the third springs are fixedly connected on the bottom surface of the air cavity, four second sliding grooves are formed in the lower pressing plate, an L-shaped positioning plate is connected in the second sliding grooves in a sliding manner, the four L-shaped positioning plates are in contact with the bottom surface of the rectangular sealing plate, and a fourth spring is fixedly connected, the outer ends of the fourth springs are fixedly connected to the inner side wall of the second sliding chute; when the zipper sealing device works, because the zipper is tightly contacted with the bottom of the placing groove when the bottom of the compressed zipper is ventilated through the first through pipe, gas is not favorable for quickly filling a detection plane of the bottom surface of the zipper, the bottom of the zipper cannot be quickly and comprehensively detected, the air cavity is formed in the top of the lower pressing plate, when the zipper is compressed downwards by the upper pressing plate, the rectangular sealing plate forms a horizontal plane with the placing groove under the positioning action and the magnet adsorption action of the four L-shaped positioning plates to support the zipper, the zipper is prevented from falling into the air cavity, the zipper is ensured to be positioned on the horizontal bottom surface, when the compression roller is separated from the rectangular sealing plate and enters the first sliding groove, the L-shaped positioning plate is extruded to compress the fourth spring, so that the L-shaped positioning plate is slowly separated from the rectangular sealing plate, when the upper pressing plate is compressed with the lower pressing plate, the L-shaped positioning plate is separated, break away from the bottom that is compressed tightly the zip fastener, make the zip fastener bottom form certain air intake space, the third tee pipe surrounds first siphunculus, the air feeder supplies air to the zip fastener bottom through first siphunculus and third tee pipe fast, the air intake space is full of gas fast, thereby realize aerifing the zip fastener bottom fast, improve the efficiency that detects the zip fastener at every turn, and avoid the face large tracts of land contact of zip fastener bottom and holding down plate, guarantee can thoroughly detect the zip fastener at every turn, avoid appearing the phenomenon of contact seal.

As a further scheme of the invention, the top of the lower pressure plate is fixedly connected with four L-shaped support frames, first sliding rods are slidably connected inside the four L-shaped support frames, the bottom end of each first sliding rod is fixedly connected with a positioning guide block, the bottom end of each positioning guide block is inserted into a first sliding groove and is contacted with the top of the L-shaped positioning plate, and a fifth spring is sleeved on the part of each first sliding rod, which is positioned between the positioning guide block and the L-shaped support frame; when the device works, after the L-shaped positioning plate is pushed away by the compression roller, when the compression roller returns to the initial position, the L-shaped positioning plate can block the rectangular sealing plate to return to the initial position when being reset under the action of the fourth spring, the positioning guide block is pushed by the top of the L-shaped positioning plate to move upwards by driving the L-shaped positioning plate to move outwards by the compression roller, the fifth spring is compressed, when the L-shaped suction pipe positioning plate is pushed to the outermost side, the L-shaped positioning plate is separated from the positioning guide block, the positioning guide block slides down under the action of the fifth spring to position the L-shaped positioning plate, the phenomenon that the L-shaped positioning plate is reset when the rectangular sealing plate does not return to the initial position is avoided, when the compression roller moves to the top of the rectangular sealing plate, the magnet on the compression roller adsorbs the magnet on the rectangular sealing plate to adsorb the initial position to, the personnel participation is not needed, and the operation is convenient and quick.

As a further scheme of the invention, the top ends of the four first sliding rods are fixedly connected with a C-shaped lifting frame together, the left side and the right side of the bottom of the C-shaped lifting frame are fixedly connected with two first guide blocks, the left side and the right side of the top of the lower pressure plate are respectively provided with a third sliding chute communicated with the first sliding chutes, the top of each first sliding block is fixedly connected with a second guide block, the second guide blocks are connected in the third sliding chutes in a sliding manner, the second guide blocks are acted with the first guide blocks, and the upper pressure plate is provided with a through groove for the C-shaped lifting frame and the positioning guide blocks to pass through; when the zipper is in operation, after the compression roller is separated from the rectangular sealing plate, the adsorption effect of the magnet disappears, and at the moment, the L-shaped positioning plate is still limited by the positioning guide block, so that the rectangular sealing plate cannot be limited, the rectangular sealing plate can move downwards when the upper pressing plate is not pressed with the lower pressing plate, the positions of the peripheral edges of the zipper can be influenced, when the compression roller returns to the initial position, the second guide block is driven to slide inwards, the second guide block extrudes the first guide block to drive the C-shaped lifting plate to move upwards, the C-shaped lifting plate drives the four first slide bars and the positioning guide block to move upwards, when the compression roller completely jacks the C-shaped lifting plate, the rectangular sealing plate is adsorbed to the initial position, the positioning guide block is separated from the L-shaped positioning plate, the L-shaped positioning plate is reset under the action of the fourth spring to limit the bottom of the rectangular sealing plate, when the upper pressing plate and the lower pressing plate are not tightly pressed, the rectangular sealing plate descends.

As a further scheme of the invention, the left and right sides of the outer surfaces of the two compression rollers are fixedly connected with first gears, the left and right sides of the bottom of the first chute are fixedly connected with first racks, and the first gears are meshed with the first racks; the during operation, when both sides roll in the front and back of zip fastener because the compression roller moves to the outside, the zip fastener that follow-up compression roller can not be fine is paved, when moving outward, drives first gear along first rack when moving through the compression roller, and first gear drives the compression roller and rotates, and two compression rollers are outside pulling zip fastener simultaneously around, with the taut paving that goes on of zip fastener, be convenient for pave the zip fastener, make the zip fastener can carry out thorough pressfitting by last holding down plate all around.

As a further scheme of the invention, the rear side wall of the water collecting tank is communicated with the water inlet pipe, the top of the placing plate is fixedly connected with a first connecting plate, the rear side wall of the first connecting plate is fixedly connected with a water pump, and the water pump is communicated with the water inlet pipe; during operation, because the water of collecting in the header tank can be utilized once more and detect, through when the inlet tube needs intake, start the water pump and take out water from the header tank for detect once more, avoid the waste of water, save the cost.

Compared with the prior art, the invention has the beneficial effects that:

1. when the invention is used for detecting the air tightness of the zipper, the compression roller is firstly utilized to compress the top of the zipper, so that the zipper is prevented from being rolled up left and right, the left side and the right side of the zipper are ensured to be positioned in the compression area of the placing groove, when the upper pressing plate compresses the zipper downwards, the two compression rollers are driven to move towards the outer side of the zipper, the front side and the rear side of the zipper are rolled and paved, and the left side and the right side of the zipper are compressed by the pressure lever, so that the zipper is prevented from deviating under the action of the pressure roller, when the compression roller breaks away from the zipper, the narrow gap formed by the upper pressing plate and the lower pressing plate firstly blocks the periphery of the zipper, the upper pressing plate descends to thoroughly compress the periphery of the zipper together with the lower pressing plate, the zipper is prevented from being wound or deviated when the zipper is compressed by downward movement of the upper pressing plate, the periphery of the zipper can be thoroughly pressed and sealed when the upper pressing plate and the lower pressing plate are pressed at each time, and the accuracy of air tightness detection of the zipper is ensured.

2. According to the invention, the air cavity is formed at the top of the lower pressing plate, when the zipper is pressed downwards by the upper pressing plate, the rectangular sealing plate is separated from the bottom of the pressed zipper, and a certain air inlet space is formed at the bottom of the zipper, so that the bottom of the zipper is quickly inflated, the zipper detection efficiency is improved, the bottom of the zipper is prevented from being in large-area contact with the surface of the lower pressing plate, the zipper can be completely detected every time, and the phenomenon of contact sealing is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a first perspective view of the general construction of the present invention;

FIG. 2 is a second perspective view of the general construction of the present invention;

FIG. 3 is a first cross-sectional view of the lower platen structure of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a second cross-sectional view of the lower platen structure of the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 5;

FIG. 7 is an enlarged view of the structure at C in FIG. 5;

FIG. 8 is a third perspective view of the upper platen structure of the present invention;

fig. 9 is a schematic structural view of the upper platen.

In the drawings, the components represented by the respective reference numerals are listed below:

a workbench 1, a lower pressing plate 2, a placing groove 3, an L-shaped connecting plate 4, a telescopic cylinder 5, an upper pressing plate 6, a first chute 7, a first slide block 8, a press roller 9, a pull rope 10, an L-shaped supporting plate 11, a guide wheel 12, a first spring 13, a first through pipe 14, a cross through pipe 15, a first sealing valve 16, a second sealing valve 17, an air feeder 18, a water collecting tank 19, a placing plate 20, a water inlet pipe 21, a press rod 22 and a baffle disc 23, the device comprises a second spring 24, an air cavity 25, a rectangular sealing plate 26, an air vent 27, a third tee pipe 28, a third spring 29, a second sliding chute 30, an L-shaped positioning plate 31, a fourth spring 32, an L-shaped support frame 33, a first sliding rod 34, a positioning guide block 35, a fifth spring 36, a C-shaped lifting frame 37, a first guide block 38, a third sliding chute 39, a second guide block 40, a through groove 41, a first gear 42, a first rack 43, a first connecting plate 44 and a water pump 45.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a airtightness detection device for production of clothing zippers comprises a workbench 1, wherein a lower pressing plate 2 is fixedly connected to the top of the workbench 1, a placing groove 3 is formed in the top of the lower pressing plate 2, an L-shaped connecting plate 4 is fixedly connected to the top of the workbench 1, a telescopic cylinder 5 is fixedly connected to the bottom surface of the L-shaped connecting plate 4, an upper pressing plate 6 is fixedly connected to the bottom end of the telescopic cylinder 5, first sliding grooves 7 are formed in the inner side wall of the placing groove 3, two first sliding blocks 8 are respectively and slidably connected into the first sliding grooves 7, a compression roller 9 is respectively and rotatably connected into the two first sliding blocks 8 at the same side, a pull rope 10 is respectively and fixedly connected onto the outer side wall of each first sliding block 8, four L-shaped supporting plates 11 are respectively and rotatably connected onto the top of the lower pressing plate 2, two guide wheels 12 are respectively and rotatably connected onto the side wall of, the top end of the upper pressure plate 6 is fixedly connected with the top of the upper pressure plate 6, a first spring 13 is sleeved on the part of each pull rope 10 between the first slide block 8 and the first chute 7, the middle position of the placing groove 3 is communicated with a first through pipe 14, the bottom end of the first through pipe 14 is fixedly communicated with a cross through pipe 15, the right side of the cross through pipe 15 is connected with a first sealing valve 16, the left end of the cross through pipe 15 is fixedly communicated with a second sealing valve 17, the right end of the cross through pipe 15 is communicated with an air feeder 18, the left end of the cross through pipe is fixedly communicated with a water collecting tank 19, the bottom of the workbench 1 is fixedly connected with a placing plate 20, the air feeder 18 and the water collecting tank 19 are all positioned on the top of the placing plate 20, the top of the upper pressure plate 6 is provided with an inlet pipe 21 fixedly connected with the top of the workbench 1, the left side and the right side of the upper pressure, one end of the second spring 24 is fixedly connected to the bottom of the baffle disc 23, and the other end is fixedly connected to the top of the upper pressure plate 6;

when the zipper sealing detection device works, when an airtight zipper to be detected is placed at the top of the lower pressing plate 2 for detection in the prior art, due to the fact that the side wall of a part of the airtight zipper is rolled under a certain condition, when a person places the airtight zipper at the top of the lower pressing plate 2, the zipper is rolled up to cause the edge of the zipper to move inwards and separate from the pressing position of the lower pressing plate 2 and the upper pressing plate 6, when the upper pressing plate 6 presses the periphery of the sealed zipper downwards and the lower pressing plate 2, the periphery of the zipper cannot be completely sealed, the airtightness of the zipper cannot be accurately detected, and the detection effect of the zipper is influenced, the zipper sealing detection device provides a technical scheme for solving the above problems, when the airtight detection of the zipper is required, two pressing rollers 9 are opened towards two sides, the zipper to be detected is placed in the placing groove 3 after being leveled, the two pressing rollers 9 are loosened, and the two pressing rollers 9 move to the middle, the zipper is compressed and positioned, the zipper is prevented from being rolled left and right, the zipper is ensured to be in a flat state, the zipper is favorably compressed and sealed by an upper pressing plate 6 and a lower pressing plate 2, then a telescopic cylinder 5 is controlled to stretch out, the upper pressing plate 6 moves downwards under the driving of the telescopic cylinder 5 and simultaneously pulls four pull ropes 10, the four pull ropes 10 are guided by corresponding guide wheels 12, the pull ropes 10 can pull corresponding first sliders 8 to slide outwards along a first chute 7, meanwhile, a compression roller 9 is driven to move outwards together, the compression roller 9 can roll and flatten the front and rear side walls of the zipper, the zipper is favorably compressed and sealed by the upper pressing plate 6 and the lower pressing plate 2, when the pull ropes 10 drive two compression rollers 9 to leave the middle position of the zipper, the left and right compression rods 22 at the bottom of the upper pressing plate 6 compress the left and right ends of the zipper, the compression roller 9 is positioned in a placing groove 3, and the zipper is, when the front and the rear sides of the zipper are rolled by two pressing rollers 9 and then are about to be separated, the distance between the upper pressing plate 6 and the lower pressing plate 2 is short, the upper pressing plate 6 can primarily block the side wall of the zipper, the side wall of the zipper is prevented from being rolled, the upper pressing plate 6 descends, the pressing rollers 9 are separated from the placing groove 3 and enter the first sliding groove 7, the zipper is not influenced to be pressed downwards by the upper pressing plate 6, the upper pressing plate 6 is matched with the lower pressing plate 2 to press the periphery of the zipper, an uncompacted area does not exist around the zipper, then the water inlet pipe 21 starts to feed water, the water is located in a sealed cavity formed by the upper pressing plate 6 and the zipper, the first sealing valve 16 is opened, the air feeder 18 is started, air is introduced into the bottom of the zipper through the cross through pipe 15 and the first through pipe 14, whether the water surface of the top of the zipper is bubbled or not, so, after the detection is finished, the first sealing valve 16 is closed, the second sealing valve 17 is opened, the telescopic cylinder 5 is controlled to contract, the upper pressing plate 6 is driven to rise, the periphery of the zipper is not pressed any more, water at the top of the zipper flows out from the side wall of the zipper through the first through pipe 14 and enters the water collecting tank 19 through the cross through pipe 15, the water is automatically discharged, meanwhile, the upper pressing plate 6 releases the tension on the pull rope 10 when rising, the first slider 8 slowly moves to the inner side under the action of the pressed first spring 13 to reset, when the telescopic cylinder 5 returns to the initial position, all mechanisms automatically return to the initial state, the two compression rollers 9 are opened, the detected zipper is taken out, the detection of the zipper is finished once, and therefore, when the airtight detection of the zipper is carried out each time, the compression rollers 9 are firstly used for compressing the top of the zipper, the rolling of the left side and the right side of the zipper is avoided, when the upper press plate 6 compresses tightly the zipper downwards, drive two compression rollers 9 and remove to the outside of zipper, the equal roll-in of front and back side to the zipper is paved, utilize depression bar 22 to compress tightly the left and right sides of zipper simultaneously, avoid the zip fastener skew under the compression roller 9 effect, when compression roller 9 breaks away from the zip fastener, the narrow and small clearance that upper press plate 6 and lower press plate 2 formed blocks earlier all around the zip fastener, upper press plate 6 descends and carries out thorough compressing tightly all around the zip fastener with lower press plate 2 together, avoid upper press plate 6 zip fastener rolling or skew when the downward movement compresses tightly the zip fastener, can carry out thorough pressfitting all around the zip fastener when guaranteeing upper press plate 2 pressfitting at every turn and seal, guarantee the accuracy that the gas tightness of zip fastener detected.

As a further scheme of the invention, the top of the lower pressing plate 2 is provided with an air cavity 25, the inner side wall of the air cavity 25 is connected with a rectangular sealing plate 26 in a sliding manner, the middle part of the rectangular sealing plate 26 is provided with an air vent 27, the bottom of the air vent 27 is fixedly communicated with a third pipe 28, the third pipe 28 surrounds the first pipe 14, the middle parts of the two pressing rollers 9 are both provided with first magnets, a part of second magnets corresponding to the first magnets are arranged inside the rectangular sealing plate 26, the left side and the right side of the bottom of the rectangular sealing plate 26 are both fixedly connected with third springs 29, the bottom ends of the third springs 29 are both fixedly connected to the bottom surface of the air cavity 25, the lower pressing plate 2 is internally provided with four second sliding chutes 30, the inside of each second sliding chute 30 is connected with an L-shaped positioning plate 31 in a sliding manner, the four L-shaped positioning, the outer ends of the fourth springs 32 are fixedly connected to the inner side wall of the second chute 30; when the zipper sealing device works, because the zipper is tightly contacted with the bottom of the placing groove 3 when the compressed zipper bottom is ventilated through the first through pipe 14, the gas is not favorable for quickly filling the detection plane of the zipper bottom with gas, the comprehensive detection on the zipper bottom can not be quickly carried out, the air cavity 25 is arranged at the top of the lower pressing plate 2, when the zipper is compressed downwards by the upper pressing plate 6, the rectangular sealing plate 26 forms a horizontal plane with the placing groove 3 under the positioning and magnet adsorption actions of the four L-shaped positioning plates 31 to support the zipper, the zipper is prevented from falling into the air cavity 25, the zipper is ensured to be positioned on the horizontal bottom surface, when the compression roller 9 is separated from the rectangular sealing plate 26 and enters the first sliding groove 7, the L-shaped positioning plate 31 is extruded, the fourth spring 32 is compressed, the L-shaped positioning plate 31 is slowly separated from the rectangular sealing plate 26, when the upper pressing plate 6 is compressed with the lower pressing plate 2, the, rectangle closing plate 26 moves down under two third spring 29 effects, break away from the bottom that is compressed tightly the zip fastener, make the zip fastener bottom form certain air intake space, third tee pipe 28 surrounds first siphunculus 14, air feeder 18 supplies air to the zip fastener bottom through first siphunculus 14 and third tee pipe 28 fast, air intake space is full of gas fast, thereby realize aerifing the zip fastener bottom fast, the efficiency of the zip fastener of detecting at every turn is improved, and avoid the face large tracts of land contact of zip fastener bottom and holding down plate 2, guarantee to detect the zip fastener thoroughly at every turn, avoid appearing the phenomenon of contact seal.

As a further scheme of the present invention, the top of the lower pressing plate 2 is fixedly connected with four L-shaped supporting frames 33, the insides of the four L-shaped supporting frames 33 are all slidably connected with first sliding rods 34, the bottom end of each first sliding rod 34 is fixedly connected with a positioning guide block 35, the bottom end of the positioning guide block 35 is inserted into the first sliding chute 7 and contacts with the top of the L-shaped positioning plate 31, and a fifth spring 36 is sleeved on the part of the first sliding rod 34 between the positioning guide block 35 and the L-shaped supporting frame 33; in operation, after the L-shaped positioning plate 31 is pushed away by the pressing roller 9, when the pressing roller 9 returns to the initial position, the L-shaped positioning plate 31 is reset under the action of the fourth spring 32, and the rectangular sealing plate 26 is blocked from returning to the initial position, when the pressing roller 9 drives the L-shaped positioning plate 31 to move outwards, the top of the L-shaped positioning plate 31 presses the positioning guide block 35, so that the positioning guide block 35 moves upwards, the fifth spring 36 is compressed, when the L-shaped straw positioning plate is pushed to the outermost side, the L-shaped positioning plate 31 is separated from the positioning guide block 35, the positioning guide block 35 slides downwards under the action of the fifth spring 36, the L-shaped positioning plate 31 is positioned, the phenomenon that the L-shaped positioning plate 31 is reset when the rectangular sealing plate 26 does not return to the initial position is avoided, when the pressing roller 9 moves to the top of the rectangular sealing plate 26, the magnet on the pressing roller 9 adsorbs the magnet on the, adsorb rectangle closing plate 26 to initial position, reset, need not personnel and participate in convenient and fast.

As a further scheme of the invention, the top ends of the four first sliding rods 34 are fixedly connected with a C-shaped lifting frame 37 together, the left side and the right side of the bottom of the C-shaped lifting frame 37 are both fixedly connected with two first guide blocks 38, the left side and the right side of the top of the lower pressing plate 2 are both provided with third sliding chutes 39 communicated with the first sliding chutes 7, the top of each first sliding block 8 is fixedly connected with a second guide block 40, the second guide blocks 40 are slidably connected in the third sliding chutes 39, the second guide blocks 40 are acted with the first guide blocks 38, and the upper pressing plate 6 is provided with a through groove 41 for the C-shaped lifting frame 37 and the positioning guide blocks 35 to pass through; in operation, after the pressing roller 9 is separated from the rectangular sealing plate 26, the adsorption effect of the magnet disappears, and at this time, the L-shaped positioning plate 31 is still limited by the positioning guide block 35, and the rectangular sealing plate 26 cannot be limited, so that the rectangular sealing plate 26 moves downward when the upper pressing plate 6 is not pressed against the lower pressing plate 2, and the position of the peripheral edge of the zipper may be affected, by driving the second guide block 40 to slide inward when the pressing roller 9 returns to the initial position, the second guide block 40 presses the first guide block 38 to drive the C-shaped lifting plate to move upward, the C-shaped lifting plate drives the four first sliding rods 34 and the positioning guide block 35 to move upward, when the pressing roller 9 completely pushes the C-shaped lifting plate, the rectangular sealing plate 26 is adsorbed to the initial position, the positioning guide block 35 is separated from the L-shaped positioning plate 31, the L-shaped positioning plate 31 is reset under the action of the fourth spring 32 to limit the bottom of the rectangular, the phenomenon that the rectangular sealing plate 26 descends when the upper pressing plate 6 and the lower pressing plate 2 are not pressed after the pressing roller 9 is separated from the rectangular sealing plate 26 is avoided.

As a further scheme of the invention, the left and right sides of the outer surfaces of the two compression rollers 9 are fixedly connected with first gears 42, the left and right sides of the bottom of the first chute 7 are fixedly connected with first racks 43, and the first gears 42 are meshed with the first racks 43; in operation, when the compression roller 9 moves outwards and rolls in the front and back sides of the zipper, the zipper which cannot be well rolled by the follow-up compression roller 9 is paved, when the compression roller 9 moves upwards and outwards, the first gear 42 is driven to move along the first rack 43, the first gear 42 drives the compression roller 9 to rotate, the zipper is pulled outwards by the front and back compression rollers 9, the zipper is tensioned and paved, the zipper is convenient to pave, and the periphery of the zipper can be thoroughly laminated by the upper pressing plate and the lower pressing plate 2.

As a further scheme of the invention, the rear side wall of the water collecting tank 19 is communicated with the water inlet pipe 21, the top of the placing plate 20 is fixedly connected with a first connecting plate 44, the rear side wall of the first connecting plate 44 is fixedly connected with a water pump 45, and the water pump 45 is communicated with the water inlet pipe 21; during operation, because the water that collects in the header tank 19 can be utilized once more and detect, through when inlet tube 21 needs intake, start water pump 45 and take out water from header tank 19 for detect once more, avoid the waste of water, save the cost.

The working principle is as follows: when the zipper needs to be subjected to air-tight seal detection, the two compression rollers 9 are opened towards two sides, the zipper to be detected is placed in the placing groove 3 after being leveled, the two compression rollers 9 are loosened, the two compression rollers 9 move to the middle position of the top of the zipper under the action of the first spring 13, the zipper is compressed and positioned, the zipper is prevented from being wound left and right, the zipper is ensured to be in a flat state, the zipper is favorably compressed and sealed by the upper pressing plate 6 and the lower pressing plate 2, then the telescopic cylinder 5 is controlled to stretch out, the upper pressing plate 6 moves downwards under the driving of the telescopic cylinder 5 and simultaneously pulls the four pull ropes 10, the four pull ropes 10 are guided by the corresponding guide wheels 12, the pull ropes 10 can pull the corresponding first sliding blocks 8 to slide outwards along the first sliding grooves 7, meanwhile, the compression rollers 9 are driven to move outwards together, the compression rollers 9 can move to roll and flatten the front and rear side walls of the zipper, and the compression and sealing of the upper, when the pull rope 10 drives the two press rollers 9 to leave the middle position of the zipper, the left and right press rods 22 at the bottom of the upper press plate 6 press the left and right ends of the zipper tightly, the press rollers 9 are positioned in the placing groove 3, the zipper is prevented from moving under the action of the press rollers 9, when the two press rollers 9 press the front and rear sides of the zipper to be separated, the distance between the upper press plate 6 and the lower press plate 2 is short, the upper press plate 6 can preliminarily block the side wall of the zipper, the side wall of the zipper is prevented from being wound, the upper press plate 6 descends, the press rollers 9 are separated from the placing groove 3 and enter the first sliding groove 7, the zipper is not influenced to be pressed downwards by the upper press plate 6, the periphery of the zipper is pressed by the upper press plate 6 and the lower press plate 2 in a matching manner, an uncompacted area does not exist around the zipper, then the water inlet pipe 21 starts to enter water, the, gas is introduced into the bottom of the zipper through the cross through pipe 15 and the first through pipe 14, whether the water surface at the top of the zipper bubbles or not is observed, so that the hermetic seal of the zipper is detected, if the hermetic seal of the bubbling side zipper is insufficient and the hermetic seal of the non-bubbling side zipper is qualified, after the detection is finished, the first sealing valve 16 is closed, the second sealing valve 17 is opened, the telescopic cylinder 5 is controlled to contract, the upper pressing plate 6 is driven to rise, the periphery of the zipper is not pressed, water at the top of the zipper flows out of the first through pipe 14 from the side wall of the zipper and enters the water collecting tank 19 through the cross through pipe 15, the water is automatically discharged, meanwhile, when the upper pressing plate 6 rises, the tensioning of the pulling rope 10 is released, the first sliding block 8 slowly moves inwards to reset under the action of the pressed first spring 13, when the telescopic cylinder 5 returns to the initial position, all mechanisms automatically return to the, and finishing the detection of the zipper for one time.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a gas tightness check out test set is used in clothing zip fastener production, includes workstation (1), workstation (1) top fixedly connected with holding down plate (2), standing groove (3) have been seted up at holding down plate (2) top, workstation (1) top fixedly connected with L type connecting plate (4), L type connecting plate (4) bottom surface fixedly connected with telescopic cylinder (5), telescopic cylinder (5) bottom fixedly connected with top board (6), its characterized in that: the inner side wall of the placing groove (3) is provided with first sliding grooves (7) all around, the first sliding grooves (7) are internally and slidably connected with two first sliding blocks (8), the two first sliding blocks (8) at the same side are internally and jointly and rotatably connected with a compression roller (9), the outer side wall of each first sliding block (8) is fixedly connected with a pull rope (10), the top of the lower pressing plate (2) is fixedly connected with four L-shaped supporting plates (11), the side wall of each L-shaped supporting plate (11) is rotatably connected with two guide wheels (12), the top end of each pull rope (10) penetrates through the lower pressing plate (2) and bypasses the two guide wheels (12), the top end of each pull rope (10) is fixedly connected with the top of the upper pressing plate (6), and the part of each pull rope (10) between the first sliding blocks (8) and the first sliding grooves (7) is sleeved with a first spring (13), the middle of the placing groove (3) is communicated with a first through pipe (14), the bottom of the first through pipe (14) is fixedly communicated with a cross through pipe (15), the right side of the cross through pipe (15) is connected with a first sealing valve (16), the left end of the cross through pipe (15) is fixedly communicated with a second sealing valve (17), the right end of the cross through pipe (15) is communicated with an air feeder (18), the left end of the cross through pipe is fixedly communicated with a water collecting tank (19), the bottom of the workbench (1) is fixedly connected with a placing plate (20), the air feeder (18) and the water collecting tank (19) are both positioned at the top of the placing plate (20), the top of the upper pressing plate (6) is provided with an inlet pipe (21) fixedly connected to the top of the workbench (1), the left side and the right side of the upper pressing plate (6) are both slidably connected with pressing rods (22), and the top ends of the two pressing rods, the pressing rod (22) is sleeved with a second spring (24), one end of the second spring (24) is fixedly connected to the bottom of the blocking disc (23), and the other end of the second spring is fixedly connected to the top of the upper pressing plate (6).

2. The airtightness detection apparatus for manufacturing a slide fastener for clothing according to claim 1, wherein: an air cavity (25) is formed in the top of the lower pressing plate (2), a rectangular sealing plate (26) is connected to the inner side wall of the air cavity (25) in a sliding mode, an air vent (27) is formed in the middle of the rectangular sealing plate (26), a third pipe (28) is fixedly communicated with the bottom of the air vent (27), the third pipe (28) surrounds a first through pipe (14), first magnets are arranged in the middle of two pressing rollers (9), second magnets corresponding to the first magnets are arranged in the rectangular sealing plate (26), third springs (29) are fixedly connected to the left side and the right side of the bottom of the rectangular sealing plate (26), the bottom ends of the third springs (29) are fixedly connected to the bottom surface of the air cavity (25), four second sliding grooves (30) are formed in the lower pressing plate (2), and an L-shaped positioning plate (31) is connected to the inside of each second sliding groove (30) in, the four L-shaped positioning plates (31) are all in contact with the bottom surface of the rectangular sealing plate (26), each of the outer side walls of the L-shaped positioning plates (31) is fixedly connected with a fourth spring (32), and the outer end of each fourth spring (32) is fixedly connected to the inner side wall of the corresponding second sliding groove (30).

3. The airtightness detection apparatus for manufacturing a slide fastener for clothing according to claim 2, wherein: four L type support frames (33), four of holding down plate (2) top fixed connection first slide bar (34), every the inside equal sliding connection of L type support frame (33) location guide block (35) of first slide bar (34) bottom equal fixed connection, the top that inserts in first spout (7) and with L type locating plate (31) of location guide block (35) bottom contacts, the cover is equipped with fifth spring (36) on the part that first slide bar (34) are located between location guide block (35) and L type support frame (33).

4. The airtightness detection apparatus for manufacturing a slide fastener for clothing according to claim 3, wherein: four the common fixedly connected with C type crane (37) in first slide bar (34) top, two first guide blocks (38) of the equal fixedly connected with in C type crane (37) bottom left and right sides, third spout (39) communicating pipe with first spout (7) are all seted up in the both sides about holding down plate (2) top, every the equal fixedly connected with second guide block (40) in first slider (8) top, second guide block (40) sliding connection is in third spout (39), second guide block (40) act on with first guide block (38) mutually, logical groove (41) that supply C type crane (37) and location guide block (35) to pass through are seted up in top board (6).

5. The airtightness detection apparatus for manufacturing a slide fastener for clothing according to claim 1, wherein: two equal fixedly connected with first gear (42) about on compression roller (9) surface, first spout (7) bottom left and right sides equal fixedly connected with first rack (43), first gear (42) and first rack (43) meshing.

6. The airtightness detection apparatus for manufacturing a slide fastener for clothing according to claim 1, wherein: the water collecting tank (19) rear side wall is communicated with the water inlet pipe (21), a first connecting plate (44) is fixedly connected to the top of the placing plate (20), a water pump (45) is fixedly connected to the rear side wall of the first connecting plate (44), and the water pump (45) is communicated with the water inlet pipe (21).