Vacuum pressure attenuation detection device

Abstract

The utility model discloses a vacuum pressure attenuation detection device which comprises a base, the base is provided with a moving seat, a lifting seat, a moving driving mechanism and a lifting driving mechanism, the moving seat is detachably provided with a lower die, the lifting seat is detachably provided with an upper die, the upper die is located above the lower die, and the lifting driving mechanism is located above the lower die. The moving driving mechanism is used for driving the moving seat to move so as to carry out feeding and discharging on the lower mold, the lifting driving mechanism is used for driving the lifting seat to lift so as to open and close the upper mold and the lower mold, and after the upper mold and the lower mold are closed, a closed detection cavity is formed; and a vacuum pressure attenuation detection mechanism communicated with the closed detection cavity is arranged on the upper mold. The feeding and discharging device has the advantages of facilitating feeding and discharging, being compatible with detection of different bottle types and improving the detection precision.

Description

Technical Field

[0001] The utility model relates to the technical field of food and medicine packaging, in particular to a vacuum pressure decay detection device. Background Art

[0002] In the past, traditional vacuum pressure leak detection equipment was a turntable type, which means that the product to be inspected must be transported to the center of the cavity to complete the inspection, which is inconvenient for loading and unloading. In addition, the vacuum pressure decay detection equipment currently on the market cannot simultaneously detect the vacuum pressure decay of BFS row bottles and round bottles. One reason is that the shapes of the two bottles are too different to be compatible with the feeding. The second reason is that the two bottle types on the market actually have their own models that can be tested, and there is no consideration of integrating this part into one model. In addition, similar detection equipment on the market is basically dynamic detection, that is, the detection module is in motion during detection, which affects the detection accuracy. 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 pressure decay detection device which is convenient for loading and unloading, can be compatible with the detection of different bottle types, and improves the detection accuracy.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A vacuum pressure attenuation detection device comprises a base, on which a moving seat, a lifting seat, a moving drive mechanism and a lifting drive mechanism are provided, a lower mold is detachably mounted on the moving seat, an upper mold is detachably mounted on the lifting seat, the upper mold is located above the lower mold, the moving drive mechanism is used to drive the moving seat to move so as to load and unload the lower mold, the lifting drive mechanism is used to drive the lifting seat to lift and lower so as to open and close the upper mold and the lower mold, after the upper mold and the lower mold are closed, a closed detection cavity is formed, and a vacuum pressure attenuation detection mechanism connected to the closed detection cavity is provided on the upper mold.

[0006] As a further improvement of the above technical solution:

[0007] The vacuum pressure attenuation detection device also includes a workbench, on which a loading and unloading robot is provided, and a plurality of bases are provided. The plurality of bases are respectively arranged on both sides of the loading and unloading robot, and protective covers are respectively provided on the outer sides. The protective covers are provided with loading and unloading avoidance openings for the moving seat to pass through.

[0008] The movable seat is provided with a positioning groove, and the lower mold is installed in the positioning groove.

[0009] Positioning pins are provided at both ends of the positioning groove, and positioning holes corresponding to the positioning pins are provided on the lower mold to position the lower mold.

[0010] The lifting seat is provided with a positioning stop, and the upper mold is provided with a positioning step surface matched with the positioning stop.

[0011] The positioning stop is provided with a positioning column, and the upper mold is provided with a positioning screw, and the positioning screw is used to be threadedly connected with the positioning column to position the upper mold.

[0012] The base is provided with a moving guide rail and a lifting guide rail, the moving seat is slidably arranged on the moving guide rail, and the lifting seat is slidably arranged on the lifting guide rail.

[0013] A limit block for limiting the moving range of the moving seat is arranged on the base.

[0014] The lower mold is threadedly connected to the movable seat, and the upper mold is threadedly connected to the lifting seat.

[0015] The vacuum pressure decay detection mechanism comprises an air extraction pipeline, one end of which is connected to the detection cavity and the other end is connected to the air extraction pump. The air extraction pipeline is provided with a pressure sensor.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model discloses a vacuum pressure decay detection device, in which the movable seat is of "drawer type", which extends to the front end of the base when loading and unloading materials, providing an operating space for loading and unloading materials, and retracts to the rear end of the base for reset after loading materials, which is convenient for the mold closing of the upper mold and the lower mold, and can avoid interference caused by the extension of the movable seat during detection. During detection, the vacuum pressure decay detection mechanism is in a static state, which improves the detection accuracy. After unloading materials, it retracts to the rear end of the base for reset, which can reduce the overall space occupied by the device, and the lower mold and the movable seat, as well as the upper mold and the lifting seat are all detachably connected, which is convenient for the disassembly and replacement of the upper mold and the lower mold, so as to adapt to the vacuum pressure decay detection of different bottle types, and has strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the vacuum pressure decay detection device of the utility model.

[0019] Figure 2 for Figure 1 Schematic diagram of the explosion structure.

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the vacuum pressure decay detection device of the utility model.

[0021] Figure 4 for Figure 3 Schematic diagram of the explosion structure.

[0022] The numbers in the figure represent: 1. base; 11. moving guide rail; 12. lifting guide rail; 13. limit block; 2. moving seat; 21. positioning groove; 22. positioning pin; 3. lifting seat; 31. positioning stop; 311. positioning column; 4. moving drive mechanism; 5. lifting drive mechanism; 6. lower mold; 7. upper mold; 71. positioning step surface; 72. positioning screw; 8. vacuum pressure attenuation detection mechanism; 9. workbench; 91. manipulator; 92. protective cover; 921. loading and unloading avoidance opening. DETAILED DESCRIPTION

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "assemble", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Figures 1 to 4An embodiment of the utility model is shown. The vacuum pressure attenuation detection device of this embodiment includes a base 1. The base 1 is provided with a moving seat 2, a lifting seat 3, a moving drive mechanism 4 and a lifting drive mechanism 5. The moving seat 2 is detachably mounted with a lower mold 6. The lifting seat 3 is detachably mounted with an upper mold 7. The upper mold 7 is located above the lower mold 6. The moving drive mechanism 4 is used to drive the moving seat 2 to move so as to load and unload the lower mold 6. The lifting drive mechanism 5 is used to drive the lifting seat 3 to lift and lower so as to open and close the upper mold 7 and the lower mold 6. After the upper mold 7 and the lower mold 6 are closed, a closed detection cavity is formed. The upper mold 7 is provided with a vacuum pressure attenuation detection mechanism 8 connected to the closed detection cavity.

[0028] The detection process of the vacuum pressure decay detection device is as follows: the moving drive mechanism 4 drives the moving seat 2 to move on the base 1 and move to the front end of the base 1 to put the material to be detected into the lower mold 6, and then the moving drive mechanism 4 drives the moving seat 2 to retract and reset, and the lifting drive mechanism 5 drives the lifting seat 3 to descend, thereby driving the upper mold 7 and the lower mold 6 to close the mold to form a closed detection cavity. At this time, the vacuum pressure decay detection mechanism 8 can detect the pressure decay of the sealed detection cavity. After the detection is completed, the lifting drive mechanism 5 drives the lifting seat 3 to rise, driving the upper mold 7 and the lower mold 6 to open the mold, and then the moving drive mechanism 4 drives the moving seat 2 to move to the front end of the base 1 again to remove the material from the lower mold 6.

[0029] The vacuum pressure decay detection device has a "drawer-type" movable seat 2, which extends to the front end of the base 1 during loading and unloading, providing an operating space for loading and unloading, and retracts to the rear end of the base 1 after loading to facilitate the closing of the upper mold 7 and the lower mold 6. At the same time, it can avoid interference caused by the extension of the movable seat 2 during detection. The vacuum pressure decay detection mechanism 8 is in a static state during detection, which improves the detection accuracy. After unloading, it retracts to the rear end of the base 1 to reset, which can reduce the overall space occupied by the device. The lower mold 6 and the movable seat 2 and the upper mold 7 and the lifting seat 3 are all detachably connected, which is convenient for the disassembly and replacement of the upper mold 7 and the lower mold 6 to adapt to the vacuum pressure decay detection of different bottle types, and has strong adaptability. Preferably, in this embodiment, the lower mold 6 is threadedly connected to the movable seat 2, and the upper mold 7 is threadedly connected to the lifting seat 3.

[0030] like Figure 1 and Figure 2As shown, in this embodiment, the vacuum pressure decay detection device further includes a workbench 9, on which a loading and unloading manipulator 91 is provided, and a plurality of bases 1 are provided, and the plurality of bases 1 are respectively arranged on both sides of the loading and unloading manipulator 91, and the outer sides are respectively covered with protective covers 92, and the protective covers 92 are provided with loading and unloading avoidance openings 921 for the moving seat 2 to pass through. The loading and unloading manipulator 91 loads and unloads the lower molds 6 on both sides, and the protective covers 92 can protect the structure of the device, and the loading and unloading avoidance openings 921 are reserved, which will not interfere with loading and unloading.

[0031] like Figure 4 As shown, in this embodiment, the movable seat 2 is provided with a positioning groove 21, and the lower mold 6 is installed in the positioning groove 21. This facilitates the positioning and installation of the lower mold 6.

[0032] like Figure 4 As shown, in this embodiment, positioning pins 22 are provided at both ends of the positioning groove 21, and positioning holes corresponding to the positioning pins 22 are provided on the lower mold 6 to position the lower mold 6. The positioning pins 22 and the positioning holes (not shown in the figure) are matched and positioned, and the structure is simple and the positioning is accurate.

[0033] like Figure 3 and 4 As shown, in this embodiment, the lifting seat 3 is provided with a positioning stop 31, and the upper mold 7 is provided with a positioning step surface 71 that cooperates with the positioning stop 31, so as to facilitate the positioning of the upper mold 7.

[0034] like Figure 3 and 4 As shown, in this embodiment, a positioning post 311 is provided on the positioning stop 31, and a positioning screw 72 is provided on the upper mold 7. The positioning screw 72 is used to be threadedly connected with the positioning post 311 to position the upper mold 7. After the upper mold 7 is positioned by cooperating with the positioning stop 31 on the lifting seat 3 through the positioning step surface 71, the positioning screw 72 is connected with the positioning post 311 to fix the upper mold 7.

[0035] like Figure 4 As shown, in this embodiment, the base 1 is provided with a moving guide rail 11 and a lifting guide rail 12, the moving seat 2 is slidably arranged on the moving guide rail 11, and the lifting seat 3 is slidably arranged on the lifting guide rail 12. The moving guide rail 11 and the lifting guide rail 12 provide guidance for the movement of the moving seat 2 and the lifting of the lifting seat 3, respectively.

[0036] like Figure 4 As shown, in this embodiment, a limit block 13 is provided on the base 1 for limiting the moving range of the moving seat 2. The limit block 13 ensures that the moving seat 2 moves within a reasonable range and does not collide with other components.

[0037] like Figure 3 and 4As shown, in this embodiment, the vacuum pressure decay detection mechanism 8 includes an exhaust pipe, one end of which is connected to the detection cavity, and the other end is connected to the exhaust pump, and the exhaust pipe is provided with a pressure sensor. After the upper mold 7 and the lower mold 6 are molded together, the exhaust pump exhausts air to the detection cavity through the exhaust pipe. After the exhaust is completed, the pressure decay of the detection cavity is detected by the pressure sensor.

[0038] Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with the art can use the above disclosed technical content to make many possible changes and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A vacuum pressure decay detection device, characterized in that: The invention comprises a base (1), wherein the base (1) is provided with a movable seat (2), a lifting seat (3), a movable driving mechanism (4) and a lifting driving mechanism (5); a lower mold (6) is detachably mounted on the movable seat (2); an upper mold (7) is detachably mounted on the lifting seat (3); the upper mold (7) is located above the lower mold (6); the movable driving mechanism (4) is used to drive the movable seat (2) to move so as to load and unload the lower mold (6); the lifting driving mechanism (5) is used to drive the lifting seat (3) to move so as to open and close the upper mold (7) and the lower mold (6); after the upper mold (7) and the lower mold (6) are closed, a closed detection cavity is formed; and a vacuum pressure decay detection mechanism (8) connected to the closed detection cavity is provided on the upper mold (7).

2. The vacuum pressure decay detection device according to claim 1, characterized in that: The vacuum pressure decay detection device also includes a workbench (9), on which a loading and unloading manipulator (91) is provided, and a plurality of bases (1) are provided. The plurality of bases (1) are respectively arranged on both sides of the loading and unloading manipulator (91), and are respectively covered with protective covers (92) on the outer sides. The protective covers (92) are provided with loading and unloading avoidance openings (921) for the moving seat (2) to pass through.

3. The vacuum pressure decay detection device according to claim 1, characterized in that: The movable seat (2) is provided with a positioning groove (21), and the lower mold (6) is installed in the positioning groove (21).

4. The vacuum pressure decay detection device according to claim 3, characterized in that: Positioning pins (22) are provided at both ends of the positioning groove (21), and positioning holes corresponding to the positioning pins (22) are provided on the lower mold (6) to position the lower mold (6).

5. The vacuum pressure decay detection device according to claim 1, characterized in that: The lifting seat (3) is provided with a positioning stop (31), and the upper mold (7) is provided with a positioning step surface (71) that matches the positioning stop (31).

6. The vacuum pressure decay detection device according to claim 5, characterized in that: The positioning stop (31) is provided with a positioning column (311), and the upper mold (7) is provided with a positioning screw (72). The positioning screw (72) is used to be threadedly connected with the positioning column (311) to position the upper mold (7).

7. The vacuum pressure decay detection device according to any one of claims 1 to 6, characterized in that: The base (1) is provided with a movable guide rail (11) and a lifting guide rail (12); the movable seat (2) is slidably arranged on the movable guide rail (11); and the lifting seat (3) is slidably arranged on the lifting guide rail (12).

8. The vacuum pressure decay detection device according to any one of claims 1 to 6, characterized in that: The base (1) is provided with a limit block (13) for limiting the moving range of the movable seat (2).

9. The vacuum pressure decay detection device according to any one of claims 1 to 6, characterized in that: The lower mold (6) is threadedly connected to the movable seat (2), and the upper mold (7) is threadedly connected to the lifting seat (3).

10. The vacuum pressure decay detection device according to any one of claims 1 to 6, characterized in that: The vacuum pressure decay detection mechanism (8) comprises an air extraction pipeline, one end of which is connected to the detection cavity and the other end is connected to the air extraction pump, and the air extraction pipeline is provided with a pressure sensor.

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