Combined vacuum chuck

Abstract

The utility model discloses a combined vacuum chuck. Comprising a connector, a connecting pipe, a corrugated pipe, a contact piece and a filtering piece, the connector is fixed to an air pipe of the vacuum generation equipment, the connecting pipe is in threaded connection with the connector, a clamping space is formed between the connector and the connecting pipe, the top end of the corrugated pipe is arranged in the clamping space to be fixed, and the bottom end of the corrugated pipe is connected with the contact piece in a clamped mode; a continuous gas channel is formed in the connecting pipe, the corrugated pipe and the contact piece, the gas channel is communicated with a gas pipe of vacuum generation equipment, and a filtering piece is arranged on the gas channel. According to the utility model, the connector and the connecting pipe are designed to be separated, so that the whole sucker can be separated from the vacuum generating equipment only by separating the connecting pipe from the connector, and an air pipe of the vacuum generating equipment cannot be damaged. And the filtering piece is arranged in the gas channel, impurities are prevented from entering the vacuum generation equipment, and the service life of the vacuum generation equipment is prolonged.

Description

Technical field:

[0001] The utility model belongs to the technical field of suction cups, and particularly relates to a combined vacuum suction cup. Background technology:

[0002] Vacuum suction cup is a commonly used device for material handling. The vacuum suction cup is connected to the vacuum generating device, and the vacuum generating device generates negative pressure or positive pressure. The vacuum suction cup absorbs or puts down the material to complete the material handling.

[0003] Existing vacuum suction cups are generally connected to vacuum generating equipment through the connection part on the top. When different vacuum suction cups are selected according to the material, the vacuum suction cups need to be removed from the vacuum generating equipment as a whole and replaced with suitable vacuum suction cups. After the vacuum generating equipment has been used for a period of time, due to frequent disassembly and assembly, the connection between the vacuum generating equipment and the vacuum suction cup will wear out, resulting in a decrease in the sealing effect and affecting the service life of the vacuum generating equipment. In addition, when the vacuum suction cup absorbs the material, it often sucks debris into the vacuum generating equipment, causing damage to the vacuum generating equipment.

[0004] How to design a vacuum suction cup that can reduce the wear of the connection of the vacuum generating equipment caused by frequent disassembly and assembly, reduce the amount of debris sucked in, and extend the service life of the vacuum generating equipment is a problem that needs to be solved.

[0005] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility model content:

[0006] The purpose of the utility model is to provide a combined vacuum suction cup, so as to overcome the defects in the above-mentioned prior art.

[0007] To achieve the above-mentioned purpose, the utility model provides a combined vacuum suction cup, including a connecting head, a connecting tube, a bellows, a contact piece, and a filter piece. The connecting head is fixed on the air pipe of a vacuum generating device, the connecting tube is threadedly connected to the connecting head, a clamping space is formed between the connecting head and the connecting tube, the top end of the bellows is fixed in the clamping space, and the bottom end of the bellows is snap-connected with the contact piece; a continuous gas channel is formed inside the connecting tube, the bellows, and the contact piece, the gas channel is connected to the air pipe of the vacuum generating device, and a filter piece is provided on the gas channel.

[0008] Preferably, in the technical solution, the connecting head includes a head and a clamping cover, the head and the clamping cover are connected as one body, the head is fixed on the air pipe of the vacuum generating equipment, the head is provided with an internal thread, the connecting head is sleeved on the connecting pipe, and the head is threadedly connected to the connecting pipe, so that a clamping space is formed between the clamping cover and the connecting pipe.

[0009] Preferably, in the technical solution, the connecting tube includes a tube body and a clamping lower cover. The outer surface of the tube body is provided with an external thread and a clamping lower cover. The clamping lower cover has the same diameter as the clamping upper cover. The tube body is inserted into the connecting head. The tube body is connected to the internal thread of the head through the external thread. The clamping upper cover and the clamping lower cover are arranged opposite to each other, and a clamping space is formed between the clamping upper cover and the clamping lower cover.

[0010] Preferably, in the technical solution, the length of the external thread on the tube body matches the length of the internal thread of the head, and an inward-retracted portion is provided on the outer surface of the tube body. The inward-retracted portion is located between the external thread and the clamping lower cover, and the inward-retracted portion does not contact the connecting head, thereby improving the efficiency of disassembly and assembly of the connecting tube.

[0011] Preferably, in the technical solution, the filter element includes a base, a bottom plate, and a support member. The base is arranged in the contact member, the base is provided with a bottom plate, the bottom plate is provided with a support member, the bottom plate is located at the entrance of the gas channel in the contact member, the diameter of the base is larger than the diameter of the gas channel in the contact member, and the diameter of the bottom plate matches the diameter of the gas channel in the contact member; filter holes are evenly distributed on the bottom plate, the bottom plate forms a filter mesh structure, the support member contacts the inner wall of the gas channel, and the support member supports the gas channel in the contact member.

[0012] Preferably, in the technical solution, the support member extends upward from the bottom plate, and the top of the support member extends into the bellows, and the support member supports the gas channel in the contact member as a whole.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] Through the separation design between the connector and the connecting pipe, each time the suction cup is disassembled, it is only necessary to separate the connecting pipe from the connector, and the suction cup can be separated from the vacuum generating device as a whole, without causing damage to the air pipe of the vacuum generating device. A filter is set in the gas channel to block the debris sucked by the suction cup at the entrance of the gas channel, preventing the debris from entering the vacuum generating device, thereby extending the service life of the vacuum generating device. Description of the drawings:

[0015] Figure 1 This is a schematic diagram of the structure of the combined vacuum suction cup of the utility model;

[0016] Figure 2 This is the front view of the combined vacuum suction cup of the utility model;

[0017] Figure 3 for Figure 2 AA section view;

[0018] Figure 4 This is a schematic diagram of the assembly structure of the connector and the connecting pipe of the utility model;

[0019] Figure 5 for Figure 4 BB section view;

[0020] Figure 6 This is a schematic diagram of the structure of the connecting pipe of the utility model;

[0021] Figure 7 This is a schematic diagram of the structure of the filter element of the utility model. Specific implementation method:

[0022] The specific implementation modes of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific implementation modes.

[0023] Unless explicitly stated otherwise, throughout the specification and claims, the term “comprise” or variations such as “include” or “comprising”, etc., will be understood to include the stated elements or components but not to exclude other elements or components.

[0024] like Figure 1-3 As shown, a combined vacuum suction cup includes a connecting head 1, a connecting tube 2, a bellows 3, a contact piece 4, and a filter 5. The connecting head 1 is fixed on the air pipe of the vacuum generating equipment. The connecting tube 2 is threadedly connected to the connecting head 1. A clamping space 6 is formed between the connecting head 1 and the connecting tube 2. The top end of the bellows 3 is fixed in the clamping space 6, and the bottom end of the bellows 3 is snap-connected with the contact piece 4. A continuous gas channel is formed inside the connecting tube 2, the bellows 3, and the contact piece 4. The gas channel is connected to the air pipe of the vacuum generating equipment, and a filter 5 is arranged on the gas channel.

[0025] like Figure 4-6 As shown, the connector 1 includes a head 10 and a clamping upper cover 11. The head 10 and the clamping upper cover 11 are connected as a whole. The head 10 is fixed on the air pipe of the vacuum generating equipment. The head 10 is provided with an internal thread. The connector 1 is sleeved on the connecting pipe 2. The connecting pipe 2 includes a tube body 20 and a clamping lower cover 21. The outer surface of the tube body 20 is provided with an external thread and a clamping lower cover 21. The clamping lower cover 21 has the same diameter as the clamping upper cover 11. The tube body 20 is inserted into the connector 1. The tube body 20 is connected to the inner thread of the head 10 through an external thread. The clamping upper cover 11 and the clamping lower cover 21 are arranged opposite to each other, and a clamping space 6 is formed between the clamping upper cover 11 and the clamping lower cover 21. The length of the external thread on the tube body 20 matches the length of the internal thread of the head 10. The outer surface of the tube body 20 is provided with an inward portion 22. The inward portion 22 is located between the external thread and the clamping lower cover 21. The inward portion 22 does not contact the connector 1, thereby improving the efficiency of disassembly and assembly of the connecting pipe 2.

[0026] like Figure 7As shown, the filter element 5 includes a base 50, a bottom plate 51, and a support member 52. The base 50 is arranged in the contact element 4, and the bottom plate 51 is arranged on the base 50. The support member 52 is arranged on the bottom plate 51. The bottom plate 50 is located at the entrance of the gas channel in the contact element 4. The diameter of the base 50 is larger than the diameter of the gas channel in the contact element 4, and the diameter of the bottom plate 51 matches the diameter of the gas channel in the contact element 4; filter holes 53 are evenly distributed on the bottom plate 50, and the bottom plate 50 forms a filter mesh structure. The support member 52 contacts the inner wall of the gas channel in the contact element 4, and the support member 52 extends upward from the bottom plate 51. The top of the support member 52 extends into the bellows 3, and the support member 52 supports the gas channel in the contact element 4 as a whole; a lap platform 54 is arranged on the top of the support member 52, and a card slot is arranged on the top of the gas channel in the contact element 4. The lap platform 54 matches the card slot, and the support member 52 is fixed in the gas channel in the contact element 4.

[0027] During assembly, the connector 1 is installed on the air pipe of the vacuum generating device, the connecting pipe 2 is installed from the lower part of the bellows 3, the front end of the tube body 20 extends from the upper opening of the bellows 3, the upper opening of the bellows 3 is placed on the clamping lower cover 21, the tube body 20 is installed into the connector 1, the tube body 20 is threadedly connected and fixed with the head 10, during the connection process, the clamping upper cover 11 gradually moves toward the clamping lower cover 21, the upper opening of the bellows 3 is gradually clamped and fixed, the lower part of the bellows 3 is clamped and fixed with the contact piece 4, the filter 5 is installed at the opening of the gas channel, and the assembly is completed. During use, the vacuum generating device is started, negative pressure is generated, the gas channel generates suction, the contact piece 4 adsorbs and fixes the material, and the support of the support piece 52 increases the stability of the contact piece 4. When the material needs to be released, the vacuum generating device generates positive pressure, the contact piece 4 releases the material, and the material handling is completed. Through the separation design between the connector 1 and the connecting tube 2, each time the suction cup is disassembled, it is only necessary to separate the connecting tube 2 from the connector 1, so that the suction cup can be separated from the vacuum generating device as a whole, without causing damage to the air pipe of the vacuum generating device. A filter 5 is arranged in the gas channel to block the debris sucked by the suction cup at the entrance of the gas channel, preventing the debris from entering the vacuum generating device, thereby extending the service life of the vacuum generating device.

[0028] The foregoing description of specific exemplary embodiments of the utility model is for the purpose of illustration and illustration. These descriptions are not intended to limit the utility model to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the utility model and various different options and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.

Claims

1. A combined vacuum suction cup, characterized in that: It includes a connector, a connecting pipe, a bellows, a contact piece, and a filter. The connector is fixed on the air pipe of the vacuum generating equipment. The connecting pipe is threadedly connected to the connector. A clamping space is formed between the connector and the connecting pipe. The top end of the bellows is fixed in the clamping space, and the bottom end of the bellows is snap-connected with the contact piece. A continuous gas channel is formed inside the connecting pipe, the bellows, and the contact piece. The gas channel is connected to the air pipe of the vacuum generating equipment, and a filter is provided on the gas channel.

2. The combined vacuum suction cup according to claim 1, characterized in that: The connecting head includes a head and a clamping upper cover. The head and the clamping upper cover are connected as a whole. The head is fixed on the air pipe of the vacuum generating equipment. The head is provided with an internal thread. The connecting head is sleeved on the connecting pipe. The head is threadedly connected to the connecting pipe to form a clamping space between the clamping upper cover and the connecting pipe.

3. The combined vacuum suction cup according to claim 2, characterized in that: The connecting pipe includes a pipe body and a clamping lower cover. The outer surface of the pipe body is provided with an external thread and a clamping lower cover. The clamping lower cover has the same diameter as the clamping upper cover. The pipe body is inserted into the connecting head. The pipe body is connected to the internal thread of the head through the external thread. The clamping upper cover and the clamping lower cover are arranged opposite to each other, and a clamping space is formed between the clamping upper cover and the clamping lower cover.

4. The combined vacuum suction cup according to claim 3, characterized in that: The length of the external thread on the body matches the length of the internal thread on the head. An inwardly-retracted portion is provided on the outer surface of the tube body. The inwardly-retracted portion is located between the external thread and the clamping lower cover, and the inwardly-retracted portion does not contact the connector.

5. The combined vacuum suction cup according to claim 1, characterized in that: The filter element includes a base, a bottom plate, and a support element. The base is arranged in the contact element, the bottom plate is arranged on the base, the support element is arranged on the bottom plate, the bottom plate is located at the entrance of the gas channel in the contact element, the diameter of the base is larger than the diameter of the gas channel in the contact element, and the diameter of the bottom plate matches the diameter of the gas channel in the contact element; filter holes are evenly distributed on the bottom plate, the bottom plate forms a filter mesh structure, the support element contacts the inner wall of the gas channel, and the support element supports the gas channel in the contact element.

6. The combined vacuum suction cup according to claim 5, characterized in that: The support member extends upward from the bottom plate, and the top of the support member extends into the bellows. The support member supports the gas channel in the contact member as a whole.

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