CN210071269U - High-frequency discharge leak detection device - Google Patents

Abstract

The utility model relates to a high frequency discharge leak hunting device belongs to medical equipment's technical field, and its technical scheme main points are including a workstation that has the mesa, set up in the conveyer of mesa one side and set up in the detection device of mesa opposite side, detection device includes first detection device, second detection device and the third detection device that sets gradually along the length direction of workstation, and first detection device, second detection device and third detection device are used for carrying out the substep leak source to the two room bags on the conveyer and detect. The utility model has the advantages that can be accurate carry out the leak source to two room bags and detect.

Description

High-frequency discharge leak detection device

Technical Field

The utility model belongs to the technical field of medical equipment's technique and specifically relates to a high frequency discharge leak hunting device is related to.

Background

The high-frequency discharge leak detection is to increase the voltage outside the product to be detected and judge whether the product to be detected has micro cracks and unqualified sealing according to electrical parameters.

In the prior art, the chinese patent with the publication number of CN202236306U discloses a multilayer co-extrusion transfusion dual-chamber bag, which comprises a bag body made of a multilayer co-extrusion transfusion film, a combined cover (transfusion container interface) and a cover body, wherein the bottom end of the combined cover and the bag body are welded and fixed, the top end of the combined cover and the cover body are connected and fixed by hot melting, and the sealing integrity of the dual-chamber bag must be confirmed because the powder and liquid in the bag body need to be mixed aseptically before use.

To the above-mentioned double-chamber bag for multilayer coextrusion infusion, the utility model provides a high-frequency discharge leak detection device to ensure that the leakproofness of double-chamber bag is complete.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high frequency discharge leak hunting device, its advantage can be accurate carry out the leak source to two rooms bag and detect.

The above technical purpose of the present invention can be achieved by the following technical solutions: a high-frequency discharge leak detection device comprises a workbench with a table board, a conveying device arranged on one side of the table board and a detection device arranged on the other side of the table board, wherein the detection device comprises a first detection device, a second detection device and a third detection device which are sequentially arranged along the length direction of the workbench, and the first detection device, the second detection device and the third detection device are used for performing step-by-step leak point detection on a double-chamber bag on the conveying device.

Through adopting above-mentioned technical scheme, conveyer will wait to detect two rooms bag and transport to workstation department, and two rooms bag are at the in-process of workstation top motion, carry out preliminary leak source detection to the welded junction of combination lid and the bag body through first detection device, further detect the welding of combination lid and the bag body through second detection device, and dual detection ensures that the welded junction leakproofness of combination lid and the bag body is good. The hot-melt welding position between the combined cover and the cover body is detected through the third detection device, so that the good integral sealing performance of the double-chamber bag is ensured, and the use requirement can be met.

The utility model discloses further set up to: the conveying device comprises two chains, the two chains are arranged in parallel along the length direction of the workbench, a plurality of placing plates are arranged between the two chains at equal intervals, and two sides of the placing plates are fixedly connected with the chains through fixing pieces.

Through adopting above-mentioned technical scheme, place the both sides of board and pass through mounting and chain fixed connection, the chain is at driven in-process, and the carrier places the two rooms bag on the board and moves to the other end by the one end of workstation, and in the motion process, detection device carries out the leak source to two rooms bag and detects easy operation, convenience.

The utility model discloses further set up to: first detection device includes first probe and second probe, and first probe and second probe are the carbon brush form, in the first mounting groove of seting up on the mesa is fixed in to first probe, first probe is vertical upwards and stretch out first mounting groove, the vertical downward setting of second probe to fix on the first support of mesa top, high frequency power is all connected to first probe, the respective one end of second probe, other end ground connection.

By adopting the technical scheme, when the double-chamber bag passes through the first detection device, the welding position of the combined cover and the lower surface of the bag body wipes the first probe, meanwhile, the first probe wipes the welding position of the combined cover and the lower surface of the bag body to detect the leakage point, the welding position of the combined cover and the upper surface of the bag body wipes the second probe, and meanwhile, the second probe wipes the welding position of the combined cover and the upper surface of the bag body to detect the leakage point.

The utility model discloses further set up to: the second detection device comprises a third probe and a fourth probe, the third probe and the fourth probe are in a windmill shape, the third probe is rotatably connected in a second mounting groove formed in the table board, the fourth probe is rotatably connected on a second support above the table board, the third probe and the fourth probe are driven by a driving motor and rotate around respective rotating shafts, one end of each of the third probe and the fourth probe is connected with a high-frequency power supply, and the other end of each of the third probe and the fourth probe is grounded.

Through adopting above-mentioned technical scheme, third probe and fourth probe are rotatory fast under driving motor's effect, and the continuous welded junction with bag body lower surface of third probe is wiped and is bumped to the welded junction that combines lid and bag body lower surface advances a leak source and detects, and the continuous welded junction with bag body upper surface of the fourth probe of rotatory fast wipes and bumps, thereby further leak source detection to the welded junction that combines lid and bag body lower surface.

The utility model discloses further set up to: the third detection device comprises a first shifting wheel and a second shifting wheel which are identical in structure composition, the first shifting wheel is rotatably connected in a third mounting groove formed in the table board, the second shifting wheel is rotatably connected on a third support above the table board, the first shifting wheel comprises two wheel discs which are identical in shape and size, a gap is reserved between the two wheel discs, four impellers are formed in a sectioning structure which is equidistant along the circumferential direction of the wheel discs, the two adjacent impellers are sunken inwards to form an arc, the curvature radius of the arc is identical to the radius of the double-chamber bag cover body, one of the wheel discs is connected with a high-frequency power supply, and the other wheel disc is grounded.

The utility model discloses further set up to: the pressure lever is hung above the placing plate through the connecting assembly, and when leakage point detection is carried out, the pressure lever is pressed on the surface of the double-chamber bag.

Through adopting above-mentioned technical scheme, detection device carries out the contact detection to two rooms bag in the transportation process of two rooms bag, and the depression bar is pressed and is held at the upper surface of two rooms bag, carries out the spacing of vertical direction to two rooms bag, prevents that the contact in-process, two rooms bag takes place to beat in vertical direction, and the detection position takes place to squint.

The utility model discloses further set up to: coupling assembling is provided with a plurality ofly in the dorsal part of workstation along the length direction of workstation, including horizontal pole and montant, the one end rigid coupling of horizontal pole is on the workstation, and other end level extends the mesa top, and the cover is equipped with the regulating block on the horizontal pole, runs through on the regulating block and has seted up the mounting hole downwards to supplying inserting of montant, the screw hole that communicates with the mounting hole is seted up to one side of regulating block, and threaded hole female connection has fastening bolt, the bottom of montant is provided with the pole cover, the pole cover on every montant is passed in proper order by one side of workstation to the depression bar.

Through adopting above-mentioned technical scheme, loosen fastening bolt soon, the vertical height of montant with the adjusting rod cover that slides from top to bottom, adjust the same high back with the pole cover on a plurality of montants, pass the depression bar in proper order again, highly adjust the height of depression bar through the adjusting rod cover, can make the depression bar hold the stable pressure of two rooms bag on placing the board.

To sum up, the utility model discloses a beneficial technological effect does:

1. conveying the double-chamber bag to a table board through a chain of a conveying device for leak point detection, and performing primary detection on a welding position of a bag body and a combined cover by a first detection device when the double-chamber bag passes through the first detection device; when the double-chamber bag passes through the second detection device, the second detection device further detects the welding position of the bag body and the combined cover, so that the sealing integrity of the welding position of the bag body and the combined cover is ensured; when the double-chamber bag passes through the third detection device, the third detection device detects the hot-melting welding position of the cover body and the combined cover, so that the integrity of the sealing property between the cover body and the combined cover is ensured, and the first detection device, the second detection device and the third detection device are matched for use, so that the double-chamber bag can be accurately detected;

2. through being provided with the depression bar in the top of mesa, in the testing process, the depression bar carries out the spacing of vertical direction to the two room bags on the chain to guarantee to wait that the detection point of two room bags contacts with detection device is stable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is a schematic view of the connection structure between the placing plate and the clamping member of the present invention.

Fig. 4 is a schematic view of the mounting structure of the second probe of the first detecting device of the present invention.

Fig. 5 is a schematic view of an installation structure of a fourth probe of the second detecting device of the present invention.

Fig. 6 is a schematic view of an installation structure of the second thumb wheel of the third detecting device of the present invention.

In the figure, 1, a workbench; 11. a table top; 15. a first support; 16. a second support; 17. a third support; 2. a conveying device; 21. a chain; 22. placing the plate; 23. a clamping member; 231. a vertical plate; 232. a transverse plate; 233. a baffle plate; 234. positioning pins; 3. a first detection device; 31. a first probe; 32. a second probe; 4. a second detection device; 41. a third probe; 42. a fourth probe; 43. a drive motor; 5. a third detection device; 51. a first thumb wheel; 52. a second thumb wheel; 53. a wheel axle; 521. a wheel disc; 522. an impeller; 523. a circular arc; 6. a pressure lever; 7. a connecting assembly; 71. a cross bar 72, a vertical bar 73 and an adjusting block; 74. a rod sleeve; 75. and fastening the bolt.

Detailed Description

Referring to fig. 1, for the utility model discloses a high frequency discharge leak hunting device, including workstation 1, workstation 1 is the rectangle form, and workstation 1's top has a horizontally mesa 11, and one side that the operator was kept away from to mesa 11 is provided with conveyer 2, and conveyer 2 is carrying a plurality of and is waiting to detect the two rooms bag that wait to pass through in proper order from mesa 11. One side of the table board 11 close to an operator is provided with a detection device, the detection device comprises a first detection device 3, a second detection device 4 and a third detection device 5, the first detection device 3, the second detection device 4 and the third detection device 5 are sequentially arranged along the length direction of the table board 11, and when a double-chamber bag to be detected passes through the upper part of the table board 11, the first detection device 3, the second detection device 4 and the third detection device 5 jointly carry out step-by-step leak source detection on the double-chamber bag.

Referring to fig. 1 and 3, in particular, the conveying device 2 includes two chains 21 arranged in parallel along the length direction of the table top 11, the width between the two chains 21 is smaller than the length of the dual-chamber bag, a plurality of placing plates 22 are arranged between the two chains 21 at equal intervals, a horizontal placing surface is formed by upward bending and protruding the middle of the placing plate 22 so as to place the dual-chamber bag to be detected, two sides of the placing plate 22 are fixed between the two chains 21 through clamping pieces 23, and the dual-chamber bag on the placing plate 22 is driven to move together in the transmission process of the chains 21. The clamping piece 23 comprises two vertical plates 231 and a transverse plate 232 connecting the top ends of the two vertical plates 231, the two vertical plates 231 are clamped and fixed on the chain 21 from one side of each vertical plate 231, two sides of the transverse plate 232 extend upwards vertically to form baffle plates 233, and the width between the two baffle plates 233 is the same as that of the double-chamber bag so as to limit the double-chamber bag laterally. Two positioning pins 234 are fixedly connected to the transverse plate 232 of the clamping member 23 far away from the operator, and the bottom ends of the dual-chamber bags are inserted and fixed on the positioning pins 234 through positioning holes formed in the dual-chamber bags.

Further, the whole conveying device 2 can form a certain angle with the table top 11, so that the tail end of the bag body is higher than one side of the cover body, the inner pipe at the joint of the combined cover is filled with liquid in the bag body, and the liquid leakage detection accuracy is facilitated.

Referring to fig. 1 and 4, the first detection device 3 is mainly used for detecting a leak point at a welding position between the upper side and the lower side of the combined cover and the bag body, and includes a first probe 31 and a second probe 32, the first probe 31 and the second probe 32 are in a carbon brush shape, a first mounting groove is formed in the table top 11, the first probe 31 is inserted and fixed in the first mounting groove, and the top end of the first probe 31 extends out of the first mounting groove. The second probe 32 is fixed on the first support 15 above the table board 11, the end of the second probe 32 faces downwards to the table board 11, the first probe 31 and the second probe 32 are arranged at intervals, the double-chamber bag firstly passes through the first probe 31 and then passes through the second probe 32 in the conveying process, when passing through the first probe 31, the welding part of the lower surface of the bag body rubs over the first probe 31, the first probe 31 performs leak detection on the welding part of the lower surface of the bag body, when passing through the second probe 32, the welding part of the upper half part of the bag body rubs over the second probe 32, and meanwhile, the second probe 32 performs leak detection on the welding part of the upper surface of the bag body.

Referring to fig. 1 and 5, the second detecting device 4 is mainly used for further leak point detection of the welded part of the combined cover and the bag body, and includes a third probe 41 and a fourth probe 42, the third probe 41 and the fourth probe 42 are in a windmill shape, a second mounting groove is formed on the table 11, the third probe 41 is rotatably connected in the second mounting groove through a rotating shaft of the third probe, the central axis of the rotating shaft is perpendicular to the moving direction of the dual-chamber bag, the fourth probe 42 is rotatably connected on the second support 16 above the table 11 through a rotating shaft of the fourth probe 42, the third probe 41 and the fourth probe 42 are arranged at intervals, the dual-chamber bag firstly passes through the third probe 41 and then the fourth probe 42 during the conveying process, when passing through the rapidly rotating third probe 41, the third probe 41 repeatedly contacts and rubs against the welded part of the lower half part of the bag body, thereby performing sufficient leak point detection of the welded part of the lower half part of the bag body, when the fourth probe 42 rapidly rotates, the fourth probe 42 repeatedly contacts and rubs the welding position of the upper half part of the bag body, so that the sufficient leak point detection is carried out on the welding position of the upper half part of the bag body.

Referring to fig. 1 and 6, the third detection device 5 is mainly used for performing leak detection on a hot-melt connection portion of the combined cover and the cover body, and includes a first dial wheel 51 and a second dial wheel 52, the first dial wheel 51 includes two wheel discs 521 with the same shape and size, a gap is left between the two wheel discs 521, a shaft hole is formed in the center of the wheel disc 521, four impellers 522 are formed in a sectioning structure of the wheel disc 521 at equal intervals in the circumferential direction, an arc 523 is formed by inward sinking between the two adjacent impellers 522, the curvature radius of the arc 523 is the same as the radius of the cover body, one wheel disc 521 is connected with a high-voltage power supply, and the other wheel disc 521 is grounded. The first thumb wheel 51 is rotatably connected in a third mounting groove arranged on the table top 11 through a rotating shaft of the first thumb wheel 51, the structure composition of the second impeller and the first thumb wheel 51 is the same, the second thumb wheel 52 is rotatably connected on a third support 17 above the table top 11 through a wheel shaft 53 of the second thumb wheel 52, the first thumb wheel 51 and the second thumb wheel 52 are arranged at intervals, the double-chamber bag firstly passes through the first thumb wheel 51 and then passes through the second thumb wheel 52 in the conveying process, when passing through the first thumb wheel 51, one side card of lid bottom is at the circular arc 523 section between two adjacent impellers 522, and the lid falls on the gap between two rim plates 521 with the orificial hot melt junction of infusion container, and the lid drives first thumb wheel 51 and rotates the half week along with the removal in-process of conveyer belt, is separated with first thumb wheel 51 by the opposite side of lid bottom at last, and first thumb wheel 51 carries out the leak source detection to the latter half that lid and infusion container orificial hot melt are connected simultaneously rotating the in-process. Similarly, when the dual-chamber bag passes through the second thumb wheel 52, the second thumb wheel 52 simultaneously detects the leakage point of the upper half part of the combined cover and the cover body in the rotating process.

Referring to fig. 1 and 2, a pressure lever 6 is arranged above the table top 11 through a plurality of connecting pieces, the height of the connecting pieces can be adjusted, and in the detection process, the pressure lever 6 is pressed on the upper surface of the double-chamber bag through adjusting the vertical height of the pressure lever 6, so that the situation that the double-chamber bag is jumped in the vertical direction in the contact process with a detection device to cause the detection position to deviate is avoided. A plurality of coupling assembling 7 set up along the length direction interval of workstation 1, coupling assembling 7 includes horizontal pole 71, the dorsal part at workstation 1 is fixed to the one end of horizontal pole 71, another pot head is equipped with regulating block 73, the vertical downwardly running through in top of regulating block 73 has seted up the mounting hole, mounting hole and horizontal pole 71 dislocation set, wear to be equipped with a montant 72 in the mounting hole, the screw hole that communicates with the mounting hole is seted up to one side of regulating block 73, screw hole female connection has fastening bolt 75, fastening bolt 75 screws makes it support tightly in one side of montant 72, avoid montant 72 to slide from top to bottom in the regulating block, the bottom welded fastening of montant 72 has pole cover 74, depression bar 6 passes a plurality of pole covers 74 backs in proper order from one side, the upper surface at a plurality of two rooms bag is.

The high-frequency power supply is used at multiple positions of the detection device, the safety of the detection process is considered, the glass protection cover can be covered above the workbench 1, the detection device is separated from the external environment through the glass protection cover, and the accidental touch of an operator is avoided, so that the danger is generated.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. A high-frequency discharge leak detection device is characterized in that: the detection device comprises a workbench (1) with a workbench surface (11), a conveying device (2) arranged on one side of the workbench surface (11) and a detection device arranged on the other side of the workbench surface (11), wherein the detection device comprises a first detection device (3), a second detection device (4) and a third detection device (5) which are sequentially arranged along the length direction of the workbench (1), and the first detection device (3), the second detection device (4) and the third detection device (5) are used for detecting the stepped leakage points of the double-chamber bag on the conveying device (2).

2. The high-frequency discharge leak detection apparatus according to claim 1, characterized in that: the conveying device (2) comprises two chains (21), the two chains (21) are arranged in parallel along the length direction of the workbench (1), a plurality of placing plates (22) are arranged between the two chains (21) at equal intervals, and two sides of the placing plates (22) are fixedly connected with the chains (21) through fixing pieces.

3. The high-frequency discharge leak detection apparatus according to claim 1, characterized in that: first detection device (3) are including first probe (31) and second probe (32), and first probe (31) and second probe (32) are the carbon brush form, in first mounting groove of seting up on mesa (11) is fixed in first probe (31), first probe (31) are vertical upwards and stretch out first mounting groove, second probe (32) are vertical to be set up downwards to fix on first support (15) of mesa (11) top, high frequency power source, other end ground are connected to first probe (31), second probe (32) respective one end.

4. A high-frequency discharge leak detection apparatus according to claim 1 or 3, characterized in that: the second detection device (4) comprises a third probe (41) and a fourth probe (42), the third probe (41) and the fourth probe (42) are in a windmill shape, the third probe (41) is rotatably connected in a second mounting groove formed in the table top (11), the fourth probe (42) is rotatably connected on a second support (16) above the table top (11), the third probe (41) and the fourth probe (42) are driven by a driving motor (43) and rotate around respective rotating shafts, one end of each of the third probe (41) and the fourth probe (42) is connected with a high-frequency power supply, and the other end of each of the third probe (41) and the fourth probe (42) is grounded.

5. The high-frequency discharge leak detection apparatus according to claim 4, characterized in that: the third detection device (5) comprises a first thumb wheel (51) and a second thumb wheel (52) which are identical in structure composition, the first thumb wheel (51) is rotatably connected in a third mounting groove formed in the table board (11), the second thumb wheel (52) is rotatably connected on a third support (17) above the table board (11), the first thumb wheel (51) comprises two wheel discs (521) which are identical in shape and size, a gap is reserved between the two wheel discs (521), four impeller (522) are formed in a sectioning structure which is equidistant along the circumferential direction of the wheel discs (521), an arc (523) is formed between every two adjacent impeller (522) in an inwards recessed mode, the curvature radius of the arc (523) is identical to the radius of a double-chamber bag cover body, one of the wheel discs (521) is connected with a high-frequency power supply, and the other wheel disc (521) is grounded.

6. The high-frequency discharge leak detection apparatus according to claim 2, characterized in that: a pressure lever (6) is hung above the placing plate (22) through a connecting component (7), and when leakage point detection is carried out, the pressure lever (6) is pressed on the surface of the double-chamber bag.

7. The high-frequency discharge leak detection apparatus according to claim 6, characterized in that: coupling assembling (7) are provided with a plurality ofly in the dorsal part of workstation (1) along the length direction of workstation (1), including horizontal pole (71) and montant (72), the one end rigid coupling of horizontal pole (71) is on workstation (1), and other end level extends mesa (11) top, and the cover is equipped with regulating block (73) on horizontal pole (71), runs through on regulating block (73) and has seted up the mounting hole downwards to supply inserting of montant (72), the screw hole that communicates mutually with the mounting hole is seted up to one side of regulating block (73), and screw hole female connection has fastening bolt (75), the bottom of montant (72) is provided with rod cover (74), pole cover (74) on every montant (72) are passed in proper order by one side of workstation (1) in depression bar (6).

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