Grabbing equipment for plastic bottles

Abstract

The utility model provides grabbing equipment for plastic bottles, which comprises an upper sealing plate fixedly mounted on the equipment, the upper sealing plate is communicated with a negative pressure source through a protection mechanism, a lower sealing plate positioned below the upper sealing plate is fixedly mounted in the upper sealing plate through bolts, and an air pipe is sleeved in the bottom of the lower sealing plate in a threaded manner. And the outer side of the top end of the adapter pipe is sleeved with a threaded sleeve which is in threaded connection with the outer side of the bottom end of the air pipe in a sleeving mode. According to the grabbing equipment for the plastic bottles, an upper sealing plate, a lower sealing plate, a bolt, a first sealing ring and sealant are used in cooperation, so that an air cavity communicating with a negative pressure source can be formed between the upper sealing plate and a protection mechanism, and by adopting the structure, an air pipe on each bottle clamp does not need to be independently provided with a hose negative pressure source for communication; the air pipe and the negative pressure source can be communicated through the air cavity, the pipeline structure is simple, and installation is easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic bottle packing technical field, specifically disclose a kind of for plastic bottle's grabbing equipment. BACKGROUND

[0002] The plastic bottle grabbing equipment on the existing installation packing machine needs to be separately installed hose for communicating with negative pressure source for each bottle clamp in the process of use, the pipeline structure is relatively complex, and under the condition of abnormal gas break of negative pressure source pipeline, the plastic bottle inside bottle clamp will fall by gravity, lacking protective measures. INVENTION CONTENTS

[0003] In view of the above defects or deficiencies in the prior art, the present application aims to provide a kind of for plastic bottle's grabbing equipment, including fixedly installed on the equipment upper seal plate and upper seal plate is communicated with negative pressure source by protection mechanism, the inside of the upper seal plate is fixedly installed with lower seal plate located below the upper seal plate by bolt, the inside of the lower seal plate bottom is threadedly connected with air pipe, the inside of the air pipe bottom end is movably sleeved with adapter pipe, the outside of the adapter pipe top end is sleeved with threaded sleeve, which is threadedly connected on the outside of the air pipe bottom end, the outside of the adapter pipe is clamped with buckle, the top of the buckle is connected with the bottom of the threaded sleeve by spring, which is sleeved on the outside of the adapter pipe, the outside of the adapter pipe bottom end is threadedly connected with bottle clamp.

[0004] Preferably, the protection mechanism includes an adapter that is threadedly connected to the top of the upper seal plate, a one-way valve is connected to the top end of the adapter for communication with the negative pressure source, and an electromagnetic valve is connected to one side of the adapter.

[0005] Preferably, the inside of the top of the lower seal plate is provided with a first sealing ring and sealant located below the upper seal plate, respectively, a gas cavity is formed between the lower seal plate and the upper seal plate by the first sealing ring and the sealant, and is in communication with the adapter and the air pipe, respectively.

[0006] Preferably, the top of the lower seal plate is provided with a first groove and a second groove adapted to the first sealing ring and the sealant, respectively.

[0007] Preferably, the outside of the top end of the adapter pipe is provided with an annular boss movably sleeved inside the air pipe, and the outside of the annular boss is sleeved with a second sealing ring movably sleeved inside the air pipe. ADVANTAGEOUS EFFECTS

[0008] 1. The plastic bottle grabbing device, by the cooperation of the upper sealing plate, the lower sealing plate, the bolt, the first sealing ring and the sealing glue, the air cavity connected with the negative pressure source can be formed between the upper sealing plate and the protection mechanism, the air pipe on each bottle clamp does not need to be separately connected with the negative pressure source by the soft tube, the air pipe and the negative pressure source can be connected through the air cavity, the pipeline structure is relatively simple and easy to install.

[0009] 2. The plastic bottle grabbing device, by the one-way valve, the gas between the adapter and the negative pressure source can only flow in one direction, ensuring that the internal air cavity is still in a low pressure state when the negative pressure source pipeline is in an abnormal gas-off state, and the plastic bottle inside the bottle clamp can be prevented from falling by itself under the action of atmospheric pressure. BRIEF DESCRIPTION OF DRAWINGS

[0010] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0011] Figure 1 The structure of the present application is shown in the schematic diagram;

[0012] Figure 2 The structure of the present application is shown in the schematic diagram; Figure 1 The structure of the present application is shown in the schematic diagram;

[0013] Figure 3 The structure of the present application is shown in the schematic diagram;

[0014] Figure 4 The structure of the present application is shown in the schematic diagram; Figure 1 The structure of the present application is shown in the schematic diagram.

[0015] In the figure: 1, upper sealing plate; 2, protection mechanism; 21, adapter; 22, one-way valve; 23, electromagnetic valve; 3, negative pressure source; 4, bolt; 5, lower sealing plate; 6, air pipe; 7, adapter pipe; 8, threaded sleeve; 9, buckle; 10, spring; 11, bottle clamp; 12, first sealing ring; 13, sealing glue; 14, first groove; 15, second groove; 16, annular boss; 17, second sealing ring. DETAILED DESCRIPTION

[0016] The present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only intended to explain the related utility model, and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description.

[0017] The drawings in the embodiments of the present application: different kinds of section lines in the figure are not marked according to the national standard, nor do they require the material of the element, but they distinguish the section view of the element in the figure.

[0018] Please refer to Figures 1-4 A kind of grabbing equipment for plastic bottle, including fixedly installed on the equipment upper seal plate 1 and upper seal plate 1 is communicated with negative pressure source 3 by protection mechanism 2, the inside of upper seal plate 1 is fixedly installed with lower seal plate 5 located below upper seal plate 1 by bolt 4, the inside of the bottom of lower seal plate 5 is threadedly sleeved with air pipe 6, the inside of the bottom end of air pipe 6 is movably sleeved with adapter pipe 7, the outside of the top end of adapter pipe 7 is sleeved with threaded sleeve 8 that is threadedly sleeved on the outside of the bottom end of air pipe 6, buckle 9 is clamped on the outside of adapter pipe 7, the top of buckle 9 is drivenly connected with the bottom of threaded sleeve 8 by spring 10 that is sleeved on the outside of adapter pipe 7, bottle clamp 11 is threadedly sleeved on the outside of the bottom end of adapter pipe 7.

[0019] Wherein, protection mechanism 2 includes adapter 21 that is threadedly sleeved on the top of upper seal plate 1, the inside of the top end of adapter 21 is communicated with one-way valve 22 communicated with negative pressure source 3, and the side of adapter 21 is communicated with electromagnetic valve 23, by starting electromagnetic valve 23, after negative pressure source 3 is closed, the passage on the side of adapter 21 can be opened, so that the air of outside can enter the inside of adapter pipe 7 in sequence through electromagnetic valve 23, adapter 21, air cavity and air pipe 6, so that the plastic bottle in the inside of bottle clamp 11 can be dropped to the inside of carton under the action of gravity.

[0020] Wherein, the inside of the top of lower seal plate 5 is respectively provided with first sealing ring 12 and sealing glue 13 located below upper seal plate 1, air cavity is formed between lower seal plate 5 and upper seal plate 1 through first sealing ring 12 and sealing glue 13, which is communicated with adapter 21 and air pipe 6 respectively, the contact part between upper seal plate 1 and lower seal plate 5 can be sealed by first sealing ring 12 and sealing glue 13, to ensure that the air cavity formed does not leak, and a certain pressure gas can be stored in the inside of air cavity.

[0021] Wherein, the top of lower seal plate 5 is respectively provided with first recess 14 and second recess 15 matched with first sealing ring 12 and sealing glue 13, first sealing ring 12 and sealing glue 13 are respectively sleeved and glued by first recess 14 and second recess 15.

[0022] The outer side of the top end of the adapter pipe 7 is provided with an annular boss 16 which is movably sleeved in the gas pipe 6. When the device is used to sleeve the bottle clamp 11 outside the plastic bottle, the bottle clamp 11 can move along the axial direction of the annular boss 16. At this time, the spring 10 is compressed by the buckle 9 while buffering the bottle clamp 11, so as to ensure that the bottle clamp 11 does not directly impact the plastic bottle. The outer side of the annular boss 16 is sleeved with a second sealing ring 17 which is movably sleeved in the inner side of the gas pipe 6. The second sealing ring 17 is used to prevent gas leakage when the annular boss 16 moves in the inner side of the gas pipe 6.

[0023] When the device is assembled, the first sealing ring 12 is sleeved in the inner side of the first groove 14, the sealing glue 13 is filled in the inner side of the second groove 15, the lower sealing plate 5 is fixedly installed below the upper sealing plate 1 by the bolt 4, the gas pipe 6 is installed in the inner side of the lower sealing plate 5, the annular boss 16 is sleeved in the inner side of the gas pipe 6 after the second sealing ring 17 is sleeved in the outer side of the annular boss 16, the threaded sleeve 8 is threadedly sleeved in the outer side of the bottom end of the gas pipe 6, the bottle clamp 11 is threadedly sleeved in the outer side of the bottom end of the adapter pipe 7, the adapter head 21 is threadedly sleeved in the inner side of the top of the upper sealing plate 1, the one-way valve 22 is threadedly sleeved in the inner side of the top of the adapter head 21, the one-way valve 22 is communicated with the negative pressure source 3, and the electromagnetic valve 23 is communicated on one side of the adapter head 21. The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0025] The above description is only the preferred embodiments of the present application and the explanation of the applied technical principles. Those skilled in the art should understand that the utility model range involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or equivalent features without departing from the utility model concept. For example, the technical solutions formed by replacing the above features with the technical features disclosed in the present application (but not limited to) having similar functions.

Claims

1. A gripping device for plastic bottles, comprising an upper sealing plate (1) fixedly installed on the device and the upper sealing plate (1) being connected to a negative pressure source (3) through a protective mechanism (2), characterized in that: The lower sealing plate (5) located below the upper sealing plate (1) is installed inside the upper sealing plate (1) by bolts (4). The lower sealing plate (5) has an internal threaded connection to the bottom of the lower sealing plate (5), and an adapter pipe (7) is installed inside the bottom end of the air pipe (6). The outer side of the top end of the adapter pipe (7) is fitted with a threaded sleeve (8) that is threaded onto the outer side of the bottom end of the air pipe (6). The outer side of the adapter pipe (7) is fitted with a buckle (9). The top of the buckle (9) is connected to the bottom of the threaded sleeve (8) through a spring (10) fitted onto the outer side of the adapter pipe (7). The outer side of the bottom end of the adapter pipe (7) is threaded with a bottle clamp (11).

2. The gripping device for plastic bottles according to claim 1, characterized in that: The protective mechanism (2) includes an adapter (21) threaded onto the top of the upper sealing plate (1), the top of the adapter (21) is connected to a one-way valve (22) that communicates with the negative pressure source (3), and one side of the adapter (21) is connected to a solenoid valve (23).

3. The gripping device for plastic bottles according to claim 1, characterized in that: The inner side of the top of the lower sealing plate (5) is provided with a first sealing ring (12) and a sealant (13) located below the upper sealing plate (1). The lower sealing plate (5) and the upper sealing plate (1) form an air cavity that communicates with the adapter (21) and the air pipe (6) respectively through the first sealing ring (12) and the sealant (13).

4. The gripping device for plastic bottles according to claim 1, characterized in that: The top of the lower sealing plate (5) is provided with a first groove (14) and a second groove (15) that are adapted to the first sealing ring (12) and the sealant (13).

5. A gripping device for plastic bottles according to claim 1, characterized in that: The outer side of the top of the adapter tube (7) is provided with an annular boss (16) that fits inside the trachea (6), and the outer side of the annular boss (16) is fitted with a second sealing ring (17) that fits inside the trachea (6).

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