Machine for vacuum package leak detection

Abstract

The utility model aims to provide the vacuum package leak detection machine which is compact in structure, good in compatibility and capable of detecting the leakproofness of a plurality of groups of packaging containers at a time. The floating detection device comprises a fixed seat, a pressing driving device, a floating detection assembly and a sliding assembly, the fixed end of the pressing driving device is arranged on the upper portion of the fixed seat, and the sliding assembly is arranged on the lower portion of the fixed seat. The floating detection assembly is connected with the movable end of the downward pressing driving device and located above the sliding assembly, and the downward pressing driving device drives the floating detection assembly to move in the vertical direction. The utility model is applied to the technical field of vacuum package leak detection machines.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum packaging leak detection machines, in particular to a machine used for vacuum packaging leak detection. Background Art

[0002] Cosmetics refer to chemical industrial products or fine chemical products that are spread on any part of the human body surface, such as skin, hair, nails, lips and teeth, by smearing, spraying or other similar methods, to achieve the purpose of cleaning, maintenance, beautification, modification and change of appearance, or correction of human odor, so as to keep the human body in good condition. Liquid or creamy cosmetics are usually poured into sealed packaging containers. When in use, a part of the packaging is squeezed out by pressing the vacuum pump on the packaging container. Most packaging containers are made of plastic. In the production process of plastic packaging containers and bottles, deformation is prone to occur, resulting in cracks or tiny holes in the packaging bottles. Defective packaging bottles are prone to cosmetics leakage, affecting consumers' daily use. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a vacuum packaging leak detection machine which has a compact structure, good compatibility and can detect the sealing of multiple groups of packaging containers at one time.

[0004] The technical solution adopted by the utility model is: the utility model includes a fixed seat, a downward pressure driving device, a floating detection component and a sliding component, the fixed end of the downward pressure driving device is arranged at the upper part of the fixed seat, the sliding component is arranged at the lower part of the fixed seat, the floating detection component is connected to the movable end of the downward pressure driving device and is located above the sliding component, and the downward pressure driving device drives the floating detection component to move in the vertical direction.

[0005] Furthermore, the floating detection assembly includes a driving connecting rod, a sliding rod, an elastic member, a floating plate and a detection pressure head. The driving connecting rod is connected to the movable end of the pressing driving device through a locking member. The two ends of the sliding rod are respectively engaged with the driving connecting rod and the floating plate. The elastic member is arranged between the driving connecting rod and the floating plate and is sleeved on the middle part of the sliding rod. The detection pressure head is arranged at one end of the sliding rod close to the floating plate, and the detection pressure head performs pressure detection on the product.

[0006] Furthermore, the upper portion of the detection pressure head is threadedly connected to the sliding rod.

[0007] Furthermore, the detection pressure head includes an air pressure detection device, an air pipe joint and a sealing gasket. The air pressure detection device and the air pipe joint are both provided with side walls of the detection pressure head. One end of the air pipe joint is connected to an external gas generating device. The sealing gasket is arranged inside the detection pressure head and fits tightly with the product.

[0008] Furthermore, the detection pressure head is provided with a ventilation cavity and a compression cavity from top to bottom, the air pipe joint and one end of the air pressure detection device are both arranged in the ventilation cavity, and the sealing gasket is arranged on the bottom surface of the compression cavity and is pressed together with the product end cover.

[0009] Furthermore, the sliding assembly includes a slide rail, a slider, a carrier plate and a support plate. The slide rail is arranged at the lower part of the fixed seat, the slider is slidably connected to the slide rail, the carrier plate is arranged on the slider, the carrier plate is provided with a positioning hole, the positioning hole cooperates with the product positioning, the support plate is arranged at the top of the carrier plate, the support plate is provided with a support groove and cooperates with the product support.

[0010] Furthermore, a stepped protrusion is provided at the bottom of the positioning hole.

[0011] Furthermore, the support plate is a flexible plastic plate.

[0012] Furthermore, a limiting groove is provided at the lower portion of the fixing seat, the sliding assembly is provided in the limiting groove, and an in-position detection member is provided on one side of the limiting groove.

[0013] Furthermore, a protective cover is provided on the upper portion of the fixing seat, and the protective cover is provided with a warning light.

[0014] The beneficial effects of the utility model are as follows: since the overall structure of the utility model is compact and easy to use, the carrier plate of the sliding component is provided with multiple groups of detection stations, and vacuum sealing detection of multiple groups of packaging containers can be completed at one time, and the stepped protrusions in the positioning hole, the upper part of each group of stepped protrusions is supported by a supporting plane, so that the positioning hole can complete the positioning of packaging containers of various sizes, and the compatibility is high. The floating detection component uses elastic parts to achieve floating compression, and has a certain buffering effect when the packaging container is compressed and sealed, avoiding the situation where the packaging container is damaged due to hard downward pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the downward pressure drive device and the floating detection component of the utility model;

[0017] Figure 3 It is an exploded view of the floating detection assembly of the utility model;

[0018] Figure 4 It is a cross-sectional view of the detection pressure head of the utility model;

[0019] Figure 5 It is an exploded view of the sliding assembly of the utility model;

[0020] Figure 6 It is a cross-sectional view of the carrier plate of the utility model. DETAILED DESCRIPTION

[0021] like Figures 1 to 6 As shown, in this embodiment, the utility model includes a fixed seat 1, a downward pressure driving device 2, a floating detection component 3 and a sliding component 4, the fixed end of the downward pressure driving device 2 is arranged on the upper part of the fixed seat 1, the sliding component 4 is arranged on the lower part of the fixed seat 1, the floating detection component 3 is connected to the movable end of the downward pressure driving device 2 and is located above the sliding component 4, the downward pressure driving device 2 drives the floating detection component 3 to move in the vertical direction, the limiting groove provided on the fixed seat 1 is used to limit the forward and backward movement range of the sliding component 4, the protective cover 6 provided on the upper part of the fixed seat 1 is used to protect the downward pressure driving device 2, the downward pressure driving device 2 is a telescopic cylinder or a telescopic motor, the staff puts multiple groups of packaging containers into the positioning holes 45 of the sliding component 4 and pushes them to the bottom of the floating detection component 3, the downward pressure driving device 2 drives the floating detection component 3 to move up and down, so that the floating detection The component 3 squeezes downward to seal one end of the packaging container and injects gas. The air pressure detection device 36 in the detection pressure head 35 detects the air pressure in the ventilation chamber 351 in real time. If the internal air pressure is the same as the preset value of the injected air pressure, the vacuum seal is intact. If the internal air pressure is lower than the preset value of the injected air pressure, the container is defective. The prompt light 7 at the corresponding detection position lights up to remind the staff to recycle the defective packaging container. The overall structure is compact and easy to use. The carrier plate 43 of the sliding component 4 is provided with multiple groups of detection stations, which can complete the vacuum seal detection of multiple groups of packaging containers at one time, and the stepped protrusions 47 in the positioning hole 45, the upper part of each group of stepped protrusions 47 is supported by a supporting plane, so that the positioning hole 45 can complete the positioning of packaging containers of various sizes, with high compatibility. The floating detection component 3 uses an elastic member 33 to achieve floating compression, which has a certain buffering effect when the packaging container is compressed and sealed, avoiding damage to the packaging container caused by hard downward pressure.

[0022] In this embodiment, the floating detection assembly 3 includes a driving connecting rod 31, a sliding rod 32, an elastic member 33, a floating plate 34 and a detection pressure head 35. The driving connecting rod 31 is connected to the movable end of the pressing driving device 2 through a locking member. The two ends of the sliding rod 32 are respectively engaged with the driving connecting rod 31 and the floating plate 34. The elastic member 33 is arranged between the driving connecting rod 31 and the floating plate 34 and sleeved on the middle part of the sliding rod 32. The detection pressure head 35 is arranged at one end of the sliding rod 32 close to the floating plate 34. The detection pressure head 35 performs product compression detection. The sliding rod 32 is provided with one or more equally spaced The elastic member 33 is arranged on the driving rod connecting rod, and one or more elastic members are correspondingly arranged and sleeved on the middle part of the sliding rod 32, wherein the elastic member 33 is a spring, and flanges are arranged at both ends of the sliding rod 32, and the two sets of flanges are respectively limited and matched with the driving connecting rod 31 and the floating plate 34, and the driving connecting rod 31 and the movable end of the downward pressing driving device 2 are fixed by screws, and the floating plate 34 is used to connect the lower parts of multiple groups of sliding rods 32 in series and balance the positions of each group of sliding rods 32, and multiple groups of elastic members 33 sleeved on the middle part of the sliding rod 32 are used to realize floating downward pressure, which has a certain buffering effect when the packaging container is pressed and sealed, and avoids the rigid downward pressure of the downward pressing driving device 2 to damage the packaging container, and has the container protection effect.

[0023] In this embodiment, the upper portion of the detection pressure head 35 is threadedly connected to the sliding rod 32 , and the detection pressure head 35 and the sliding rod 32 are fixed by threaded connection, so the connection is stable and easy to use.

[0024] In this embodiment, the detection pressure head 35 includes an air pressure detection device 36, an air pipe joint 37 and a sealing gasket 38. The air pressure detection device 36 and the air pipe joint 37 are both arranged on the side wall of the detection pressure head 35. One end of the air pipe joint 37 is connected to the external gas generating device. The sealing gasket 38 is arranged inside the detection pressure head 35 and fits tightly with the product. The air pressure detection device 36 is a gas pressure sensor. The air pipe joint 37 is connected to the external gas generating device. The sealing gasket 38 is a flexible rubber pad. The sealing gasket 38 is interference fit with the inner wall of the detection pressure head 35. When the gas is blown into the packaging container through the external gas generating device, the sealing performance of the packaging container is good. The air pressure detection device 36 detects that the internal air pressure is stable and equal to the pressure of the blown gas. When the air pressure detection device 36 detects that the internal air pressure is lower than the pressure of the blown gas, the sealing performance of the packaging container is poor, and there are pores or gaps in the packaging container for gas to flow out.

[0025] In this embodiment, the detection pressure head 35 is provided with a ventilation chamber 351 and a pressing chamber 352 from top to bottom, the air pipe joint 37 and one end of the air pressure detection device 36 are both arranged in the ventilation chamber 351, the sealing gasket 38 is arranged on the bottom surface of the pressing chamber 352 and is pressed together with the product end cover, the ventilation chamber 351 and the pressing chamber 352 are connected, the pressing chamber 352 cooperates with the sealing gasket 38 to form a sealing structure with the packaging container, the air pipe joint 37 cooperates with the external gas generating device to blow in gas, and the gas enters from the ventilation chamber 351 and flows into the packaging container.

[0026] In this embodiment, the sliding assembly 4 includes a slide rail 41, a slider 42, a carrier plate 43 and a support plate 44. The slide rail 41 is arranged at the lower part of the fixing seat 1, the slider 42 is slidably connected with the slide rail 41, the carrier plate 43 is arranged on the slider 42, the carrier plate 43 is provided with a positioning hole 45, the positioning hole 45 is matched with the product positioning, the support plate 44 is arranged on the top of the carrier plate 43, the support plate 44 is provided with a support groove 46 and is matched with the product support, and the slide assembly 4 includes a plurality of support grooves 46, and the support plate 44 is provided with a plurality of support grooves 46. The rail 41 and slider 42 structure makes it convenient for the staff to push the carrier plate 43 to make reciprocating motion back and forth in the limiting groove of the fixing seat 1. The positioning holes 45 are arranged in one or more groups at equal intervals. The positioning holes 45 are arranged below the position of the detection pressure head 35. The support plate 44 is a flexible plastic plate structure. After the staff puts the packaging container into the positioning hole 45, the support plate 44 applies a lateral thrust to the side wall of the packaging container to keep it in a vertical state, so that the pressing cavity 352 of the detection pressure head 35 is close to the opening of the packaging container for pressing.

[0027] In this embodiment, a stepped protrusion 47 is provided at the bottom of the positioning hole 45. The stepped protrusion 47 structure can realize positioning processing for various different types of products. The plane of the stepped protrusion 47 has a supporting effect, and cooperates with the clamping cavity 352 of the detection pressure head 35 to press the opening side of the packaging container closely.

[0028] In this embodiment, the support plate 44 is a flexible plastic plate.

[0029] In this embodiment, a limiting groove is provided at the lower portion of the fixed seat 1, the sliding component 4 is provided in the limiting groove, and an in-place detection component 5 is provided on one side of the limiting groove. The in-place detection component 5 is connected to an external control device. When one end of the sliding component 4 contacts the in-place detection component 5, the sliding component 4 has reached the downward pressing inspection station, and the downward pressing driving device 2 pushes the floating detection component 3 to move downward to perform a vacuum sealing test on the packaging container.

[0030] In this embodiment, a protective cover 6 is provided on the upper part of the fixing seat 1, and a warning light 7 is provided on the protective cover 6. The warning light 7 is connected to the external control mechanism. When the air pressure detection device 36 of the floating detection component 3 detects that the air pressure value of the packaging container is not equal to the blown-in air pressure value, the air pressure detection device 36 feeds back the result to the external control mechanism. The external control mechanism determines that the packaging container has defects, and the warning light 7 located above the packaging container emits a bright light to remind the staff to recycle it.

[0031] The working principle of this utility model:

[0032] Before use, the sliding assembly 4 is located at the loading station, and the staff or the manipulator vertically places the packaging container to be inspected into the positioning hole 45. After the placement is completed, the sliding assembly 4 is pushed until it is in place with the detection part 5. The downward pressure driving device 2 drives the floating detection assembly 3 to move downward, squeezes and seals the open end of the packaging container and injects gas. The air pressure detection device 36 in the detection pressure head 35 detects the air pressure in the ventilation chamber 351 in real time. If the internal air pressure is the same as the preset value of the injected air pressure, the vacuum seal is intact. If the internal air pressure is lower than the preset value of the injected air pressure, the container is defective, and the prompt light 7 at the corresponding detection position lights up to remind the staff to recycle the defective packaging container.

[0033] Although the embodiments of the present invention are described with practical solutions, they do not constitute limitations on the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.

Claims

1. A machine for leak detection of vacuum packaging, Features: The invention comprises a fixed seat (1), a downward pressing driving device (2), a floating detection component (3) and a sliding component (4); the fixed end of the downward pressing driving device (2) is arranged on the upper part of the fixed seat (1); the sliding component (4) is arranged on the lower part of the fixed seat (1); the floating detection component (3) is connected to the movable end of the downward pressing driving device (2) and is located above the sliding component (4); the downward pressing driving device (2) drives the floating detection component (3) to move in the vertical direction.

2. A machine for vacuum packaging leak detection according to claim 1, Features: The floating detection assembly (3) comprises a driving connecting rod (31), a sliding rod (32), an elastic member (33), a floating plate (34) and a detection pressure head (35); the driving connecting rod (31) is connected to the movable end of the pressing driving device (2) through a locking member; the two ends of the sliding rod (32) are respectively engaged with the driving connecting rod (31) and the floating plate (34); the elastic member (33) is arranged between the driving connecting rod (31) and the floating plate (34) and is sleeved on the middle part of the sliding rod (32); the detection pressure head (35) is arranged at one end of the sliding rod (32) close to the floating plate (34); and the detection pressure head (35) performs a compression detection on the product.

3. A machine for vacuum packaging leak detection according to claim 2, Features: The upper part of the detection pressure head (35) is threadedly connected to the sliding rod (32).

4. A machine for vacuum packaging leak detection according to claim 2, Features: The detection pressure head (35) comprises an air pressure detection device (36), an air pipe joint (37) and a sealing gasket (38); the air pressure detection device (36) and the air pipe joint (37) are both arranged on the side wall of the detection pressure head (35); one end of the air pipe joint (37) is connected to an external gas generating device; the sealing gasket (38) is arranged inside the detection pressure head (35) and is tightly fitted with the product.

5. A machine for vacuum packaging leak detection according to claim 4, Features: The detection pressure head (35) is provided with a ventilation cavity (351) and a pressing cavity (352) from top to bottom, the air pipe joint (37) and one end of the air pressure detection device (36) are both arranged in the ventilation cavity (351), and the sealing gasket (38) is arranged on the bottom surface of the pressing cavity (352) and is pressed and matched with the product end cover.

6. A machine for vacuum packaging leak detection according to claim 1, Features: The sliding assembly (4) comprises a slide rail (41), a slider (42), a carrier plate (43) and a support plate (44); the slide rail (41) is arranged at the lower part of the fixing seat (1); the slider (42) is slidably connected to the slide rail (41); the carrier plate (43) is arranged on the slider (42); a positioning hole (45) is provided on the carrier plate (43); the positioning hole (45) is matched with the product positioning; the support plate (44) is arranged on the top of the carrier plate (43); the support plate (44) is provided with a support groove (46) and is matched with the product support.

7. A machine for vacuum packaging leak detection according to claim 6, Features: A stepped protrusion (47) is provided at the bottom of the positioning hole (45).

8. A machine for vacuum packaging leak detection according to claim 6, Features: The support plate (44) is a flexible plastic plate.

9. A machine for vacuum packaging leak detection according to claim 1, Features: A limiting groove is provided at the lower part of the fixing seat (1), the sliding assembly (4) is arranged in the limiting groove, and an in-position detection member (5) is provided on one side of the limiting groove.

10. A machine for vacuum packaging leak detection according to claim 1, Features: A protective cover (6) is provided on the upper part of the fixing seat (1), and a warning light (7) is provided on the protective cover (6).

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