Vacuum cup automatic leak detection device

Abstract

The utility model provides an automatic leak detection device for a vacuum cup, and belongs to the technical field of vacuum cup production equipment. The vacuum cup air tightness detection device solves the problems that existing vacuum cup air tightness detection is low in automation degree and low in detection accuracy and efficiency. The vacuum cup automatic leak detection device comprises a frame body; the conveying channel is transversely arranged on the frame body and used for intermittently conveying the vacuum cups forwards; the detection mechanism is arranged on the conveying channel, and the detection mechanism can seal the vacuum cup, inflate the sealed vacuum cup and detect the air pressure in the vacuum cup; the removing mechanism is located on the rear side of the detecting mechanism and used for removing the vacuum cups which are detected to be unqualified by the detecting mechanism from the conveying channel. According to the vacuum cup detection device, assembly line design is adopted, inflation and air pressure detection are conducted on vacuum cups through the detection mechanism, unqualified vacuum cups are removed through the removal mechanism, the automation degree is higher, and the detection efficiency and accuracy are higher.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of vacuum cup production equipment, and relates to an automatic leak detection device for vacuum cups. BACKGROUND

[0002] A vacuum cup is a commonly used heat preservation container in life, mainly comprising an inner container and an outer shell, and the inner container and the outer shell are heat insulated through vacuum to delay the heat dissipation speed inside the inner container. The inner container and the outer shell are usually welded by stainless steel, therefore, in order to ensure the welding quality, strict air tightness detection needs to be carried out on each vacuum cup.

[0003] A kind of air tightness detection method for vacuum cup production is disclosed in Chinese patent application (application number: 202510036583.1), mainly including three steps of immersion water air tightness judgment, qualified rate judgment and repair difficulty judgment. However, since the method is to immerse the vacuum cup in water, then observe whether bubbles are generated in the water area where the vacuum cup is located within the specified time to judge whether it is qualified, therefore, it can only rely on manual operation and judgment, leading to low work efficiency, and the accuracy of detection is subject to certain fluctuations depending on the experience level of workers. SUMMARY

[0004] The utility model aims at the above-mentioned problems existing in prior art, and provides an automatic leak detection device for vacuum cup, and the technical problem to be solved by the utility model is how to improve the efficiency and accuracy of vacuum cup air tightness detection.

[0005] The purpose of the utility model can be realized by the following technical scheme: an automatic leak detection device for vacuum cup, characterized by comprising: a frame body;

[0006] A conveying channel is transversely arranged on the frame body and is used for intermittently conveying the vacuum cup forward;

[0007] A detection mechanism is arranged on the conveying channel, the detection mechanism can cover the vacuum cup, inflate the vacuum cup after covering, and detect the air pressure in the vacuum cup;

[0008] A removal mechanism is located at the rear side of the detection mechanism and is used for removing the vacuum cup detected as unqualified by the detection mechanism from the conveying channel.

[0009] The utility model discloses a detection mechanism and removal mechanism are set gradually on conveying channel, and the heat preservation cup after welding is moved to the work station of detection mechanism along conveying channel and stays for a while, then the detection mechanism seals the cup mouth of heat preservation cup and carries out inflation, after a certain time interval, detects its air pressure fluctuation again, judges whether it is qualified or not, then the output channel continues to drive heat preservation cup to move forward and passes the work station of removal mechanism, if the heat preservation cup is unqualified product, then removal mechanism removes it from conveying channel, so that the subsequent repair of the unqualified product by staff is carried out, if the heat preservation cup is qualified product, then removal mechanism does not act, makes heat preservation cup continue to move along conveying channel to the next work station. The utility model realizes the automatic detection of the air tightness of heat preservation cup, and can automatically remove the defective product, and is efficient and reliable.

[0010] In the above-mentioned heat preservation cup automatic leak detection device, the detection mechanism includes a sealing cover, a driving member one and a gas pressure sensor, the sealing cover is located above the conveying channel, the driving member one is connected with the sealing cover and is used for driving the sealing cover to ascend and descend, the sealing cover is provided with an air inlet hole, an air vent hole and an air outlet hole in communication, the air inlet hole is used for being connected with a gas source, the air vent hole is used for being communicated with the inner ring of the heat preservation cup, and the air outlet hole is used for being connected with the gas pressure sensor. The sealing cover can seal the cup mouth of the heat preservation cup on the conveying channel below by descending, and the air inlet hole and the air outlet hole of the sealing cover are connected with the air compressor and the gas pressure sensor through air pipes respectively, so that the sealing cover can inflate the heat preservation cup below and detect the air pressure through the gas pressure sensor to judge whether the heat preservation cup is sealed or not.

[0011] In the above-mentioned heat preservation cup automatic leak detection device, the removal mechanism includes a swing rod provided with a clamping jaw at the front end and a driving member two used for driving the swing rod to swing, and the clamping jaw is provided with a clamping groove recessed inward and used for cooperating with the defective heat preservation cup. The clamping jaw on the swing rod can be clamped with the defective heat preservation cup and push the defective heat preservation cup out of the conveying channel by driving the swing rod to swing through the driving member two.

[0012] In the above-mentioned heat preservation cup automatic leak detection device, a defective product channel used for conveying the defective heat preservation cup is further included, the defective product channel is located on one side of the conveying channel and at the rear side of the detection mechanism, and the removal mechanism can move the defective heat preservation cup to the defective product channel by swinging the swing rod. In this way, the unqualified heat preservation cup can be collected through the defective product channel, and subsequent processing is facilitated.

[0013] In the above-mentioned heat preservation cup automatic leak detection device, the frame body is provided with a conveying belt, the conveying channel is two and is arranged in the same direction at intervals, the defective product channel and the two conveying channels are all located on the conveying belt, and the defective product channel is located between the two conveying channels. Two conveying channels can detect simultaneously, and the detection efficiency is higher; and the layout is more reasonable, the defective products of the two conveying channels can be collected in the same defective product channel, and the utilization rate of the defective product channel is higher.

[0014] The tail part of the conveying belt is provided with a material blocking frame, three holding grooves are arranged on the material blocking frame at intervals, the three holding grooves are respectively opposite to the substandard product channel and two conveying channels one by one, and the qualified heat preservation cups and the substandard heat preservation cups can enter the corresponding holding grooves respectively.

[0015] The upper part of the conveying channel is also provided with a first material blocking mechanism, the first material blocking mechanism is used for blocking the heat preservation cup below the sealing cover or allowing the heat preservation cup to pass, and the first material blocking mechanism comprises a blocking rod arranged along the width direction of the conveying channel and a driving piece three used for driving the blocking rod to reciprocate along the axial direction of the blocking rod.

[0016] The front side of the first material blocking mechanism is also provided with a level sensor used for sensing the heat preservation cup.

[0017] The conveying channel is also provided with a second material blocking mechanism, and the second material blocking mechanism is located at the front side of the detection mechanism.

[0018] The second material blocking mechanism is the same in structure as the first material blocking mechanism.

[0019] Compared with the prior art, the automatic heat preservation cup leak detection device has the following advantages:

[0020] 1、The automatic heat preservation cup leak detection device adopts an automatic assembly line design, can seal, inflate and detect the air pressure of the heat preservation cup conveyed by the conveying channel through the detection mechanism, and can remove the unqualified heat preservation cup through the removing mechanism, so that the automatic level is high, and the working continuity, detection efficiency and performance are also higher.

[0021] 2、The automatic heat preservation cup leak detection device is provided with two parallel detection channels on the same conveying belt, can detect two heat preservation cups at the same time, and can move the unqualified heat preservation cup to the same qualified product channel, so that the layout is more reasonable, and the equipment utilization rate and production efficiency are higher.

[0022] 3、The automatic heat preservation cup leak detection device is provided with the second material blocking mechanism and the first material blocking mechanism on the conveying channel in sequence, adjusts the position of the heat preservation cup to be detected into the detection mechanism through the second material blocking mechanism, and guarantees the cooperation between the heat preservation cup and the sealing cover through the first material blocking mechanism, so that the cooperation between the positions of the whole assembly line is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of the utility model;

[0024] Figure 2 is a structural schematic view of another perspective of the utility model;

[0025] Figure 3 is a structural schematic view of the sealing cover lifting mechanism;

[0026] Figure 4 is a structural schematic view of the removing mechanism;

[0027] Figure 5 is a partial enlarged view of A part in Figure 2

[0028] In the figure, 1, frame body; 2, conveying belt; 21, conveying channel; 22, defective product channel; 3, detection mechanism; 31, driving part one; 32, sealing cover; 32a, air inlet hole; 32b, air hole; 32c, air outlet hole; 33, air pressure sensor; 4, mounting frame; 5, removing mechanism; 51, driving part two; 52, swing lever; 53, clamping jaw; 53a, clamping groove; 6, material blocking frame; 61, accommodation groove; 7, material blocking mechanism one; 71, driving part three; 72, stop lever; 73, material level sensor; 8, material blocking mechanism two. DETAILED DESCRIPTION

[0029] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0030] An automatic leakage testing device for vacuum cup, as shown in Figure 1 , Figure 2 , comprises a frame body 1, the frame body 1 is provided with a conveying belt 2 in the transverse direction, the conveying belt 2 is formed with a conveying channel 21 for conveying vacuum cups, the conveying channel 21 is sequentially provided with a detection station and a removing station along the conveying direction, the conveying channel 21 can intermittently convey the vacuum cups forward, so that the vacuum cups can sequentially enter the detection station and the removing station and can temporarily stay in the detection station and the removing station, wherein the detection station is provided with a detection mechanism 3, the detection mechanism 3 can cover the cup mouth of the vacuum cup, and the vacuum cup after covering is inflated and the air pressure in the vacuum cup is detected, so as to judge whether it is qualified through a control system; the removing station is located at the rear side of the detection station, the removing station is provided with a removing mechanism 5, which is used for removing the vacuum cup detected as unqualified by the detection mechanism 3 from the conveying channel 21, and releasing the qualified vacuum cup, so that the qualified vacuum cup continues to move along the conveying channel 21.

[0031] Specifically, as shown in Figure 1 , Figure 3 ​As shown, the frame body 1 is provided with a mounting frame 4, the mounting frame 4 is erected above the conveying belt 2, the detection mechanism 3 includes a sealing cover 32, a driving member one 31 and a gas pressure sensor 33, the driving member one 31 is fixedly arranged on the mounting frame 4 and connected with the sealing cover 32, so that the sealing cover 32 is located above the conveying channel 21 and can be lifted up and down, so that the sealing cover 32 can cover the cup mouth of the vacuum cup on the conveying channel 21 below, in the embodiment, the driving member one 31 is a gas cylinder; the sealing cover 32 is disc-shaped, the sealing cover 32 is provided with an air inlet hole 32a, an air vent hole 32b and an air outlet hole 32c which are connected in communication, wherein the air inlet hole 32a and the air outlet hole 32c are located at the side of the sealing cover 32, the air vent hole 32b is located on the downward end face of the sealing cover 32, the air inlet hole 32a is connected with a gas source through a gas pipe, in the embodiment, the gas source is an air compressor arranged in the frame body 1 and located below the conveying belt 2, the gas pressure sensor 33 is fixedly arranged on the frame body 1, the air outlet hole 32c is connected with the gas pressure sensor 33 through a gas pipe, and the gas pipe connected with the air inlet hole 32a and the gas pipe connected with the gas pressure sensor 33 are both provided with solenoid valves, so as to cut off the gas source after the vacuum cup is inflated, and then detect the change of the air pressure in the vacuum cup after a certain time interval, so as to ensure the accuracy of detection.

[0032] Further, as shown in Figure 2 、 Figure 4 , the conveying belt 2 also has a substandard product channel 22 for conveying substandard product vacuum cups, the substandard product channel 22 is located at one side of the conveying channel 21 and at the rear side of the detection mechanism 3. The removal mechanism 5 is also located at the rear side of the detection mechanism 3, including a swing rod 52 and a driving member two 51, the swing rod 52 is long rod-shaped, the front end of the swing rod 52 is provided with a clamping jaw 53, the clamping jaw 53 has a clamping groove 53a which is recessed inward and used for cooperating with the substandard product vacuum cup, the driving member two 51 is fixedly arranged on the side of the conveying channel 21 away from the substandard product channel 22 and connected with the rear end of the clamping jaw 53, used for driving the swing rod 52 to swing in the horizontal direction, in the embodiment, the driving member two 51 is a rotary gas cylinder. Under normal circumstances, the swing rod 52 is located at one side of the conveying channel 21 and arranged in the same direction as the conveying channel 21, so as to avoid interference with the passing of qualified vacuum cups, when the substandard product vacuum cup passes through the removal station, the driving member two 51 can drive the swing rod 52 to swing, so that the clamping jaw 53 is clamped with the substandard product vacuum cup and pushes the substandard product vacuum cup to the substandard product channel 22, so that the substandard product vacuum cup is removed from the conveying channel 21.

[0033] Further, as shown in Figure 1 、 Figure 2As shown, in the embodiment, the conveying channels 21 are two spaced and same direction arranged, the substandard product channel 22 and the two conveying channels 21 are located on the same conveying belt 2, and the substandard product channel 22 is located between the two conveying channels 21, and each conveying channel 21 is provided with a detection station and a removal station, so that the two conveying channels 21 can synchronously detect the vacuum cup, and the substandard product vacuum cup is pushed to the substandard product channel 22 between them, so as to improve the detection efficiency and the utilization rate of the equipment.

[0034] In the embodiment, the tail of the conveying belt 2 is further provided with a material blocking frame 6, three holding grooves 61 are arranged on the material blocking frame 6, the three holding grooves 61 are located on the same side of the material blocking frame 6 and respectively correspond to the substandard product channel 22 and the two conveying channels 21, so that the qualified vacuum cup on the two conveying channels 21 and the substandard product vacuum cup on the substandard product channel 22 can enter the corresponding holding grooves 61 for collection, and then be transferred to the subsequent station for further processing.

[0035] As shown in Figure 1 , Figure 2 , Figure 5 , the conveying channel 21 is further provided with a first material blocking mechanism 7 and a second material blocking mechanism 8, the first material blocking mechanism 7 is located at the detection station and located at the rear side of the sealing cover 32, and includes a blocking rod 72 and a third driving piece 71, the blocking rod 72 is arranged along the width direction of the conveying channel 21, and the third driving piece 71 is fixedly arranged on the frame body 1 and located at one side of the conveying channel 21, in the embodiment, the third driving piece 71 is a pneumatic cylinder, the driving piece is connected with the blocking rod 72, under the driving of the third driving piece 71, the blocking rod 72 can reciprocate along the axial direction of the blocking rod 72, so that the blocking rod 72 can block the vacuum cup below the sealing cover 32 for detection or release the detected vacuum cup. The second material blocking mechanism 8 is the same as the first material blocking mechanism 7 and is located at the front side of the detection station, so that the second material blocking mechanism 8 can block the passing vacuum cup and adjust the distance between the vacuum cup and the front vacuum cup, so that the previous vacuum cup is just stopped at the removal station when the vacuum cup is stopped at the detection station. In the embodiment, the front side of the first material blocking mechanism 7 and the second material blocking mechanism 8 is provided with a level sensor 73 for sensing the vacuum cup, and the level sensor 73 can be a photoelectric sensor, so as to judge whether the vacuum cup is moved to the position.

[0036] Further, the utility model also has a control system, the control system is connected with the conveying belt 2, the first material blocking mechanism 7, the second material blocking mechanism 8, the detection mechanism 3 and the removal mechanism 5 and controls the cooperation between each mechanism, so that the whole assembly line runs stably.

[0037] The working process of the utility model is: the measured heat preservation cup after welding enters the conveying channel 21 from the front end in turn, when the heat preservation cup enters the detection station and abuts against the stop lever 72 of the material blocking mechanism one 7, the heat preservation cup is located directly below the sealing cover 32 and triggers the material level sensor 73 of the material blocking mechanism one 7, the material level sensor 73 sends the signal to the control system and makes the conveying channel 21 pause, the sealing cover 32 moves downwards and closes the heat preservation cup mouth, then fills air into the heat preservation cup, the air pressure in the heat preservation cup is raised, after a certain interval, the air pressure sensor 33 detects the air pressure in the heat preservation cup and judges whether the heat preservation cup is qualified through the control system, then the sealing cover 32 moves upwards and separates from the heat preservation cup, the material blocking mechanism one 7 releases the heat preservation cup, the conveying channel 21 runs again and continues to convey the heat preservation cup, so that the heat preservation cup enters the removal station, if the heat preservation cup is qualified, the heat preservation cup is released and enters the corresponding qualified product storage room, if the heat preservation cup is unqualified, the removal mechanism 5 removes the heat preservation cup to the defective product channel 22 and enters the corresponding defective product storage room.

[0038] The specific embodiments described herein merely exemplify the utility model spirit. The person skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the utility model spirit or exceed the range defined by the attached claims.

[0039] Although the utility model uses the terms frame body 1, conveying belt 2, conveying channel 21, defective product channel 22, detection mechanism 3, removal mechanism 5 and the like more frequently, but does not exclude the possibility of using other terms. Using these terms is only for more conveniently describing and explaining the essence of the utility model; explaining them as any kind of additional limitation is contrary to the utility model spirit.

Claims

1. An automatic leak detection device for thermos cups, characterized in that, include: Frame (1); The conveying channel (21) is set horizontally on the frame (1) and is used to intermittently convey the thermos cup forward; The detection mechanism (3) is set on the conveying channel (21). The detection mechanism (3) can seal the thermos cup, inflate the sealed thermos cup with air, and detect the air pressure inside the thermos cup. The removal mechanism (5), located behind the detection mechanism (3), is used to remove the thermos cups that the detection mechanism (3) has detected as unqualified from the conveying channel (21).

2. The automatic leak detection device for thermos cups according to claim 1, characterized in that, The detection mechanism (3) includes a sealing cover (32), a driving component (31), and a pressure sensor (33). The sealing cover (32) is located above the conveying channel (21). The driving component (31) is connected to the sealing cover (32) and is used to drive the sealing cover (32) to move up and down. The sealing cover (32) is provided with an air inlet (32a), a vent (32b), and an air outlet (32c). The air inlet (32a) is used to connect with an air source. The vent (32b) is used to connect with the inner ring of the thermos cup. The air outlet (32c) is used to connect with the pressure sensor (33).

3. The automatic leak detection device for thermos cups according to claim 2, characterized in that, The removal mechanism (5) includes a swing arm (52) with a claw (53) at the front end and a second driving member (51) for driving the swing arm (52) to swing. The claw (53) has an inwardly recessed groove (53a) for engaging with the defective thermos cup. The swing arm (52) is driven to swing by the second driving member (51), and the claw (53) on the swing arm (52) can engage with the defective thermos cup and push it out of the conveying channel (21).

4. The automatic leak detection device for thermos cups according to claim 3, characterized in that, It also includes a defective channel (22) for conveying defective thermos cups, the defective channel (22) being located on one side of the conveying channel (21) and behind the detection mechanism (3), the removal mechanism (5) being able to move the defective thermos cups onto the defective channel (22) by swinging the swing arm (52).

5. The automatic leak detection device for thermos cups according to claim 4, characterized in that, The frame (1) is provided with a conveyor belt (2), and the conveying channels (21) are two channels arranged at intervals and in the same direction. The defective channel (22) and the two conveying channels (21) are both located on the conveyor belt (2), and the defective channel (22) is located between the two conveying channels (21).

6. The automatic leak detection device for thermos cups according to claim 5, characterized in that, The tail end of the conveyor belt (2) is provided with a baffle (6), and the baffle (6) is provided with three retention slots (61) spaced apart. The three retention slots (61) are respectively directly opposite the defective product channel (22) and the two conveying channels (21).

7. The automatic leak detection device for thermos cups according to claim 2 or 3, characterized in that, The conveying channel (21) is also provided with a material blocking mechanism (7), which is used to block the thermos cup under the sealing cap (32) or to allow the thermos cup to pass through. It includes a baffle (72) arranged along the width direction of the conveying channel (21) and a driving component (71) for driving the baffle (72) to move back and forth along the axial direction of the baffle (72).

8. The automatic leak detection device for thermos cups according to claim 7, characterized in that, The front side of the material blocking mechanism (7) is also provided with a level sensor (73) for sensing the thermos cup.

9. The automatic leak detection device for thermos cups according to claim 7, characterized in that, The conveying channel (21) is also provided with a second material blocking mechanism (8) on one side, which is located in front of the detection mechanism (3).

10. The automatic leak detection device for thermos cups according to claim 9, characterized in that, The second material blocking mechanism (8) has the same structure as the first material blocking mechanism (7).

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