CN220187957U - Air tightness testing device - Google Patents

Abstract

The utility model discloses an airtight testing device for testing the airtight performance of an infusion connector, which comprises a first pipe part and a second pipe part, and comprises: the test mechanism comprises a test upper die and a test lower die which are oppositely arranged, the test upper die and the test lower die can be mutually close to or far away from each other, and a test space is formed between the test upper die and the test lower die; the turntable mechanism comprises a turntable and a first carrier arranged on the turntable, the first carrier is provided with a plurality of positioning grooves for accommodating different infusion connectors, and the turntable is suitable for driving the first carrier to move into or out of the test space; when the first carrier is located in the test space, the first pipe portion faces the test upper die, the second pipe portion faces the test lower die, the test upper die comprises a plurality of first test connectors corresponding to the first pipe portion one to one, and the test lower die comprises a plurality of second test connectors corresponding to the second pipe portion one to one. The utility model can realize continuous and efficient automatic test of the infusion connector.

Description

Air tightness testing device

Technical Field

The utility model relates to the technical field of automatic assembly equipment, in particular to an airtight testing device.

Background

The infusion connector comprises a body part and two tube parts communicated with the body part, and the two tube parts are arranged in a back way. After the infusion connector is assembled, the air tightness of the infusion connector needs to be tested, so that qualified delivery is ensured. In the prior art, a testing mechanism is generally adopted to perform air tightness test on the infusion connector, the testing mechanism comprises a first testing connector and a second testing connector, the first testing connector and the second testing connector are respectively in butt joint with two pipe parts during operation, preset air is input into the pipe parts, and air pressure in the testing connector is reserved after a certain time, so that whether air leakage exists or not is judged. However, with the above structure, only a single infusion connector can be tested at a time, and full automation of the test cannot be realized, resulting in low test efficiency.

Accordingly, there is a need for an improvement over the prior art to overcome the deficiencies described in the prior art.

Disclosure of Invention

The utility model aims to provide an airtight testing device which is used for efficiently and automatically testing the airtight performance of an infusion connector.

The utility model aims at realizing the following technical scheme: an airtight testing device for testing the airtight properties of an infusion connector, the infusion connector comprising a first tube portion and a second tube portion, comprising:

the test mechanism comprises a test upper die and a test lower die which are oppositely arranged, wherein the test upper die and the test lower die can be mutually close to or far away from each other, and a test space is formed between the test upper die and the test lower die;

the rotary table mechanism comprises a rotary table and a first carrier arranged on the rotary table, the first carrier is provided with a plurality of positioning grooves for accommodating different infusion connectors, and the rotary table is suitable for driving the first carrier to move in or out of the test space;

when the first carrier is located in the test space, the first pipe portion faces the test upper die, the second pipe portion faces the test lower die, the test upper die comprises a plurality of first test connectors corresponding to the first pipe portion one to one, and the test lower die comprises a plurality of second test connectors corresponding to the second pipe portion one to one.

Further, the constant head tank with the body looks adaptation of infusion joint, the constant head tank is followed the up end of first carrier inwards sunken form, a plurality of the constant head tank is arranged side by side along the horizontal direction interval.

Further, the groove bottom of the positioning groove is provided with an avoidance hole penetrating to the bottom of the first carrier along the Z-axis direction, the projection of the avoidance hole on the Z-axis direction is not overlapped with the projection of the turntable on the Z-axis direction, and the second pipe part is penetrated in the avoidance hole and leaks to the outside from the avoidance hole.

Further, the turntable mechanism comprises a feeding station, a testing station, a discharging station and a waste discharging station, wherein the testing mechanism is located at the testing station, and the number of the first carriers is four and corresponds to the feeding station, the testing station, the discharging station and the waste discharging station respectively.

Further, the airtight testing device comprises a transfer mechanism and a feeding mechanism, wherein the transfer mechanism is arranged at the feeding station and is suitable for transferring the infusion connector to the feeding mechanism, and the feeding mechanism is suitable for transferring the infusion connector on the transfer mechanism to the first carrier.

Further, the transfer mechanism includes:

the first carrying module can move along the X-axis direction;

at least one second carrier for accommodating the infusion connector is arranged on the first carrying module;

the first carrying module is suitable for moving the second carrier to the feeding mechanism.

Further, the number of the second carriers is two, the second carriers are arranged at intervals along the Y-axis direction, an adjusting structure is arranged between the second carriers and the first carrying module, and the adjusting structure is suitable for adjusting the positions of the two second carriers along the Y-axis direction.

Further, feed mechanism is located transfer mechanism top, it includes:

the second carrying module can move along the X-axis, the Y-axis and the Z-axis;

the rotating module is arranged on the second carrying module and can rotate around the Y axis;

the clamping assemblies are arranged on the rotating modules and correspond to the second carriers one by one;

the second carrying module is suitable for driving the clamping assembly to reciprocate between the transfer mechanism and the first carrier, and the rotating module is suitable for rotating the clamping assembly so as to adjust the position of the infusion connector.

Further, the airtight testing device comprises a blanking mechanism arranged at the blanking station, and the blanking mechanism is suitable for taking the infusion connector at the blanking station away from the first carrier.

Further, the air tightness testing device comprises a waste discharging mechanism and a waste box, wherein the waste discharging mechanism is arranged at the waste discharging station and is suitable for conveying the infusion connector at the waste discharging station to the waste box.

Compared with the prior art, the utility model has the following beneficial effects: the utility model adopts the turntable mechanism, the infusion connector can be arranged on the first carrier of the turntable mechanism, and the turntable of the turntable mechanism can rotate the first carrier to the testing mechanism or away from the testing mechanism, thereby realizing the automatic test of the infusion connector; in addition, the first carrier is equipped with a plurality of constant head tanks that hold different infusion and connects, and testing mechanism is gone up mould and test lower mould including the test, and the test is gone up the mould and is included a plurality of first test joints with first pipe portion one-to-one, and the test lower mould includes a plurality of second test joints with second pipe portion one-to-one, and when first carrier was in testing mechanism's test space, testing mechanism can test a plurality of infusion joints simultaneously, effectively improves efficiency of software testing.

Drawings

FIG. 1 is a schematic diagram of the structure of the airtight testing apparatus of the present utility model.

Fig. 2 is a schematic view of the structure of fig. 1 in the other direction.

FIG. 3 is a schematic diagram of the airtight testing apparatus of the present utility model after the transfer mechanism and the loading mechanism are removed.

Fig. 4 is a schematic structural diagram of a first carrier according to the present utility model.

FIG. 5 is a schematic view of the structure of the infusion set of the present utility model.

Figure 6 is a schematic view of the structure of the transfer mechanism in the present utility model,

fig. 7 is a schematic structural view of a blanking mechanism in the present utility model.

Reference numerals illustrate:

100. an infusion connector; 110. a body portion; 120. a first pipe section; 130. a second pipe section; 200. a testing mechanism; 210. testing an upper die; 211. a first test joint; 212. an upper template; 220. testing a lower die; 221. a second test joint; 222. a lower template; 230. a driving structure; 300. a turntable mechanism; 310. a turntable; 320. a first carrier; 321. a positioning groove; 322. avoidance holes; 400. a detection sensor; 500. a transfer mechanism; 510. a first handling module; 520. a second carrier; 530. an adjustment structure; 600. a feeding mechanism; 610. a second carrying module; 620. a rotating module; 630. a clamping assembly; 631. a clamping cylinder; 632. a clamping jaw; 700. a blanking mechanism; 810. a waste discharging mechanism; 820. waste material box.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terms "comprising" and "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1 to 5, an airtight testing apparatus according to a preferred embodiment of the present utility model is used for testing the airtight performance of an infusion set 100. The infusion set 100 includes a body portion 110, a first tube portion 120 and a second tube portion 130 in communication with the body portion 110, the first tube portion 120 and the second tube portion 130 being disposed opposite each other. The airtight testing device includes: the test mechanism 200 comprises a test upper die 210 and a test lower die 220 which are oppositely arranged, wherein the test upper die 210 and the test lower die 220 can be mutually close to or far away from each other, and a test space is formed between the test upper die 210 and the test lower die 220; the turntable mechanism 300 comprises a turntable 310 and a first carrier 320 arranged on the turntable 310, wherein the first carrier 320 is provided with a plurality of positioning grooves 321 for accommodating different infusion connectors 100, and the turntable 310 is suitable for driving the first carrier 320 to move into or out of the test space; when the first carrier 320 is located in the test space, the first pipe portion 120 faces the test upper die 210, the second pipe portion 130 faces the test lower die 220, the test upper die 210 includes a plurality of first test connectors 211 corresponding to the first pipe portion 120 one by one, and the test lower die 220 includes a plurality of second test connectors 221 corresponding to the second pipe portion 130 one by one.

The utility model adopts the turntable mechanism 300, the infusion connector 100 can be arranged on the first carrier 320 of the turntable mechanism 300, and the turntable 310 of the turntable mechanism 300 can rotate the first carrier 320 to the testing mechanism 200 or away from the testing mechanism 200, thereby realizing the automatic test of the infusion connector 100; in addition, the first carrier 320 is provided with a plurality of positioning slots 321 for accommodating different infusion connectors 100, the test mechanism 200 includes an upper test die 210 and a lower test die 220, the upper test die 210 includes a plurality of first test connectors 211 corresponding to the first pipe portions 120 one by one, the lower test die 220 includes a plurality of second test connectors 221 corresponding to the second pipe portions 130 one by one, and when the first carrier 320 is in the test space of the test mechanism 200, the test mechanism 200 can test a plurality of infusion connectors 100 at the same time, so as to effectively improve the test efficiency.

Further, the test upper die 210 includes an upper die plate 212 perpendicular to the Z-axis direction, and a plurality of first test joints 211 are fixed on the upper die plate 212. The test lower die 220 includes a lower die plate 222 perpendicular to the Z-axis direction, and a plurality of second test joints 221 are fixed to the lower die plate 222. In addition, a driving structure 230 is drivingly connected to the upper die plate 212 and/or the lower die plate 222, and the driving structure 230 is adapted to drive the upper die plate 212 and/or the lower die plate 222 to move along the Z-axis direction. The driving structure 230 may be specifically a lifting cylinder, in this embodiment, the number of driving structures 230 is two, and the driving structures are respectively connected to the upper template 212 and the lower template 222 to drive the upper template 212 and the lower template 222 to lift respectively.

Further, the positioning groove 321 is adapted to the body 110 of the infusion connector 100, the positioning groove 321 is formed by recessing inwards from the upper end surface of the first carrier 320, and the plurality of positioning grooves 321 are arranged side by side at intervals along the horizontal direction. When the body 110 is placed on the positioning groove 321, the axial direction of the first tube 120 and/or the second tube 130 is consistent with the Z-axis direction, so that the first tube 120 and the first test connector 211 are coaxially disposed, and the second tube 130 and the second test connector 221 are coaxially disposed.

The tank bottom of constant head tank 321 has seted up dodges the hole 322, dodges the hole 322 and link up to first carrier 320 bottom along the Z axle direction, and second pipe portion 130 wears to establish in dodging the hole 322 to leak to the external world from dodging the hole 322. The projection of the avoidance hole 322 in the Z-axis direction does not coincide with the projection of the turntable 310 in the Z-axis direction, so that the second pipe portion 130 can be located outside the turntable 310, and the turntable 310 is prevented from obstructing the butt joint of the test lower die 220 and the second pipe portion 130.

Further, the turntable mechanism 300 includes a loading station, a testing station, a discharging station and a waste discharging station, the testing mechanism 200 is located at the testing station, and the number of the first carriers 320 is four and corresponds to the loading station, the testing station, the discharging station and the waste discharging station respectively. The turntable 310 is driven by the divider, and rotates a fixed angle each time, so that different first carriers 320 sequentially pass through the loading station, the testing station, the unloading station and the waste discharging station.

Preferably, the loading station is provided with a plurality of detection sensors 400, and the detection sensors 400 are in one-to-one correspondence with the positioning grooves 321 at the loading stations, so as to detect the carrying state in the first carrier 320, and ensure that the turntable 310 can reliably transport the first carrier 320 after being fully loaded. In addition, the blanking station is also provided with a plurality of detection sensors 400 which are in one-to-one correspondence with the positioning grooves 321 at the blanking station, so as to improve the blanking precision.

Further, in order to achieve docking of the air tightness testing device with the upstream equipment, the air tightness testing device comprises a transfer mechanism 500 and a feeding mechanism 600, which are arranged at the feeding station, the transfer mechanism 500 is adapted to transfer the infusion connector 100 to the feeding mechanism 600, and the feeding mechanism 600 is adapted to transfer the infusion connector 100 on the transfer mechanism 500 to the first carrier 320.

Referring to fig. 6, the transfer mechanism 500 includes a first carrying module 510 and a second carrier 520 disposed on the first carrying module 510 for accommodating the infusion connector 100, where the first carrying module 510 can move along the X-axis direction and move the second carrier 520 toward the feeding mechanism 600. Preferably, the infusion set 100 is transported for convenience. In this embodiment, after the infusion connector 100 is placed on the second carrier 520, the axial direction of the first tube portion 120 and/or the second tube portion 130 coincides with the horizontal direction.

Referring to fig. 7, the feeding mechanism 600 is located above the transferring mechanism 500, and includes a second carrying module 610, a rotating module 620 disposed on the second carrying module 610, and at least one clamping assembly 630 disposed on the rotating module 620, where the second carrying module 610 can move along the X-axis, the Y-axis, and the Z-axis directions, and the rotating module 620 can rotate around the Y-axis. The second carrying module 610 is adapted to drive the clamping assembly 630 to reciprocate between the transfer mechanism 500 and the first carrier 320, and the rotating module 620 is adapted to rotate the clamping assembly 630 to adjust the position of the infusion connector 100, so as to ensure that the axial direction of the first tube portion 120 and/or the second tube portion 130 is consistent with the Z-axis direction. The clamping assembly 630 comprises a clamping cylinder 631 and a clamping jaw 632 fixed at the output end of the clamping cylinder 631, wherein the clamping cylinder 631 can drive the clamping jaw 632 to open or close so as to clamp the peripheral side of the body 110 of the infusion connector 100.

In order to improve the carrying efficiency, in the present embodiment, the number of the second carriers 520 is two, and the second carriers 520 are arranged at intervals along the Y-axis direction, and correspondingly, the number of the clamping assemblies 630 is also two, and the clamping assemblies correspond to the two second carriers 520 one by one. The two clamping assemblies 630 can respectively clamp the infusion connector 100 on the two second carriers 520 for being transported into different positioning slots 321. Because the interval between two adjacent positioning grooves 321 is smaller, the interval between two clamping assemblies 630 in the Y-axis direction is smaller, and the two clamping assemblies are difficult to match with the blanking clamping structure of upstream equipment. Preferably, an adjusting structure 530 is disposed between the second carriers 520 and the first carrying module 510, the adjusting structure 530 is adapted to adjust the positions of the two second carriers 520 in the Y-axis direction, and when the second carriers 520 move to the feeding end, the adjusting structure 530 can adjust the distance between the two second carriers 520, so as to be convenient for docking with the feeding device; when the second carriers 520 move to the discharging end, the adjusting structure 530 can adjust the distance between the two second carriers 520 to be convenient for docking with the clamping assembly 630. The adjusting structure 530 may specifically employ a linear cylinder or an electric cylinder disposed along the Y-axis direction to drive the at least one second carrier 520 to move along the Y-axis direction.

Further, returning to fig. 1 and 3, the air tightness testing device comprises a blanking mechanism 700 arranged at the blanking station, and when the infusion connector 100 is tested to be qualified, the blanking mechanism 700 is suitable for taking the infusion connector 100 at the blanking station away from the first carrier 320. The structure of the discharging mechanism 700 is similar to that of the feeding mechanism 600, and the present utility model is not repeated here.

Further, the air tightness testing device comprises a waste mechanism 810 and a waste box 820 arranged at the waste station, wherein the waste mechanism 810 is adapted to carry the infusion connector 100 at the waste station to the waste box 820.

The waste discharging mechanism 810 is disposed above the waste box 820, and the waste discharging mechanism 810 includes a third carrying module (not shown) and a clamping component (not shown) disposed on the third carrying module, where the third carrying module can drive the clamping component to move along the X-axis, Z-axis and Y-axis directions, so as to throw the infusion connector 100 that is unqualified for testing into the waste box 820.

The working process of the utility model is as follows: the upstream equipment carries the infusion connector 100 to be tested into the second carrier 520, and then the second carrier 520 moves to the feeding mechanism 600; the feeding mechanism 600 rotates and carries the infusion connector 100 to the first carrier 320, and when the first carrier 320 is fully loaded, the turntable 310 drives the first carrier 320 to move to the testing station; the upper test die 210 and the lower test die 220 of the test mechanism 200 are close to each other, the first test joint 211 is butted with the first pipe portion 120, and the second test joint 221 is butted with the second pipe portion 130 to test air tightness; after the test is finished, the upper test die 210 and the lower test die 220 are reset, the turntable 310 drives the first carrier 320 to move to a blanking station, and the blanking mechanism 700 performs blanking on the infusion connector 100 which is qualified in the test; then, the turntable 310 drives the first carrier 320 to move to the waste discharging station, and the waste discharging mechanism 810 moves the infusion connector 100 which is unqualified in test to the waste box 820; the turntable 310 drives the first carrier 320 to be turned back to the feeding station again, and the above actions are repeated, so that continuous testing is realized.

The foregoing description is only of embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims (10)

1. An airtight testing device for testing the airtight properties of an infusion connector (100), the infusion connector (100) comprising a first tube part (120) and a second tube part (130), characterized by comprising:

the test mechanism (200) comprises a test upper die (210) and a test lower die (220) which are arranged oppositely, wherein the test upper die (210) and the test lower die (220) can be mutually close to or far away from each other, and a test space is formed between the test upper die (210) and the test lower die (220);

the turntable mechanism (300) comprises a turntable (310) and a first carrier (320) arranged on the turntable (310), wherein the first carrier (320) is provided with a plurality of positioning grooves (321) for accommodating different infusion connectors (100), and the turntable (310) is suitable for driving the first carrier (320) to move into or out of the test space;

when the first carrier (320) is located in the test space, the first pipe portion (120) faces the test upper die (210), the second pipe portion (130) faces the test lower die (220), the test upper die (210) comprises a plurality of first test connectors (211) corresponding to the first pipe portion (120) one by one, and the test lower die (220) comprises a plurality of second test connectors (221) corresponding to the second pipe portion (130) one by one.

2. The airtight testing device according to claim 1, wherein the positioning groove (321) is adapted to the body portion (110) of the infusion connector (100), the positioning groove (321) is formed by recessing inwards from an upper end surface of the first carrier (320), and the positioning grooves (321) are arranged side by side at intervals along a horizontal direction.

3. The airtight testing device according to claim 2, wherein the bottom of the positioning groove (321) is provided with a avoidance hole (322) penetrating to the bottom of the first carrier (320) along the Z-axis direction, the projection of the avoidance hole (322) in the Z-axis direction is not overlapped with the projection of the turntable (310) in the Z-axis direction, and the second pipe portion (130) is penetrated in the avoidance hole (322) and leaks from the avoidance hole (322) to the outside.

4. The air tightness testing device according to claim 1, wherein the turntable mechanism (300) comprises a loading station, a testing station, a discharging station and a waste discharging station, the testing mechanism (200) is located at the testing station, and the number of the first carriers (320) is four and corresponds to the loading station, the testing station, the discharging station and the waste discharging station respectively.

5. The air tightness testing device according to claim 4, comprising a transfer mechanism (500) and a loading mechanism (600) arranged at the loading station, the transfer mechanism (500) being adapted to transfer the infusion connector (100) to the loading mechanism (600), the loading mechanism (600) being adapted to transfer the infusion connector (100) on the transfer mechanism (500) to the first carrier (320).

6. The air tightness testing device according to claim 5, wherein said transit mechanism (500) comprises:

a first carrying module (510) movable along the X-axis direction;

at least one second carrier (520) for accommodating the infusion connector (100) and arranged on the first carrying module (510);

wherein the first handling module (510) is adapted to move the second carrier (520) towards the feeding mechanism (600).

7. The air tightness testing device according to claim 6, wherein the number of the second carriers (520) is two, and the second carriers (520) and the first carrying module (510) are arranged at intervals along the Y-axis direction, and an adjusting structure (530) is arranged between the second carriers (520) and the first carrying module (510), and the adjusting structure (530) is suitable for adjusting the positions of the two second carriers (520) along the Y-axis direction.

8. The air tightness testing device of claim 6, wherein said feeding mechanism (600) is located above said transit mechanism (500), comprising:

a second carrying module (610) movable along the X-axis, Y-axis and Z-axis directions;

a rotation module (620) disposed on the second carrying module (610) and rotatable about a Y-axis;

at least one clamping assembly (630) arranged on the rotating module (620) and corresponding to the second carriers (520) one by one;

the second carrying module (610) is suitable for driving the clamping assembly (630) to reciprocate between the transfer mechanism (500) and the first carrier (320), and the rotating module (620) is suitable for rotating the clamping assembly (630) so as to adjust the position of the infusion connector (100).

9. The air tightness testing device of claim 4, comprising a blanking mechanism (700) arranged at the blanking station, the blanking mechanism (700) being adapted to take the infusion connector (100) at the blanking station off the first carrier (320).

10. The air tightness testing device of claim 4, comprising a waste mechanism (810) and a waste cartridge (820) disposed at the waste station, the waste mechanism (810) being adapted to carry the infusion connector (100) at the waste station to the waste cartridge (820).