Manipulator multi-gas-path quick-change connector

Abstract

The multi-gas-path quick-change connector comprises a lower shell body and an upper shell body, the lower shell body is fixedly installed on a base, a plurality of first gas paths are arranged on the top face of the lower shell body in a penetrating mode, second gas paths are arranged on the bottom face of the upper shell body at the positions corresponding to the first gas paths in a penetrating mode, and the first gas paths are communicated with the second gas paths. A rubber sealing piece is embedded in an air outlet of the first air channel, and the top end of the rubber sealing piece is tightly attached to the inner wall of an air inlet of the second air channel; by arranging the lower shell, the upper shell, the first air channel, the second air channel, the retainer, the steel ball, the limiting cylinder, the inner sleeve ring, the clamping groove, the linear driving mechanism and the like, the upper shell can be quickly disassembled and assembled on the lower shell only by driving the limiting cylinder to move through the linear driving mechanism, so that separation or communication of the first air channel and the second air channel is realized, and the working efficiency is improved. Quick connection between the pneumatic clamp and an air source is achieved, operation is easy and convenient, and the replacement efficiency of the multi-air-path pneumatic clamp is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic components, in particular to a multi-airway quick-change joint for a manipulator. Background Technique

[0002] With the continuous development of pneumatic technology, the pneumatic fixtures configured by many manipulators are becoming more and more complex, and the number of air passage channels required is also increasing. The current conventional air supply method is to connect each air pipe joint on the pneumatic fixture to the air source by using several air supply hoses with quick-release joints. Although it is simple and reliable, when it is necessary to replace the pneumatic fixture of the manipulator, it is necessary to repeatedly disassemble and assemble each air supply hose, which is more cumbersome and has low efficiency. For this reason, we propose a multi-airway quick-change joint for a manipulator. Content of the Utility Model

[0003] The purpose of the utility model is to provide a multi-airway quick-change joint for a manipulator to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution:

[0005] A multi-airway quick-change joint for a manipulator, including a lower housing and an upper housing. The lower housing is fixedly installed on a base, and a plurality of first airways are arranged through the top surface of the lower housing. Second airways are arranged through the corresponding positions of the bottom surface of the upper housing and each first airway. A rubber seal is embedded at the air outlet of the first airway, and the top of the rubber seal is closely attached to the inner wall of the air inlet of the second airway. A linear driving mechanism is arranged in the lower housing, and a limiting cylinder is fixedly connected to the linear driving mechanism. A retaining frame is fixedly connected to the top opening of the lower housing. A plurality of steel balls are movably arranged through the outer peripheral wall of the retaining frame. The limiting cylinder is located in the retaining frame. An inner collar is fixedly embedded at the bottom of the upper housing. The top of the retaining frame and the steel balls are both located inside the inner collar, and an annular clamping groove is arranged at the corresponding position of the inner wall of the inner collar and the steel balls.

[0006] As a further scheme of the utility model: The linear driving mechanism includes a piston slidably passing through the bottom of the retaining frame. The retaining frame is hermetically connected to the piston. The top of the piston is fixedly connected to the limiting cylinder. The piston is located in the lower housing. The piston is hermetically connected to the inner wall of the lower housing. The lower housing is divided into a first air chamber and a second air chamber by the piston. A first air guide hole and a second air guide hole are arranged on the outer wall of the lower housing. The first air guide hole is communicated with the first air chamber, and the second air guide hole is communicated with the second air chamber.

[0007] As a further scheme of the utility model: A first sealing ring is sleeved on the outer wall of the piston located in the lower housing, and the outer wall of the first sealing ring is attached to the inner wall of the lower housing.

[0008] As a further solution of the present utility model: a perforation adapted to the top end of the piston is provided through the center of the bottom of the cage, a second sealing ring is embedded in the perforation, the piston passes through the perforation, and the inner wall of the second sealing ring fits against the outer wall of the piston.

[0009] As a still further solution of the present utility model: a plurality of guide pins are fixedly installed on the top of the lower housing, and guide sleeves are fixedly embedded at the corresponding positions of the bottom of the upper housing and the guide pins, and the guide sleeves are adapted to the guide pins.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] By providing the lower housing, the upper housing, the first air passage, the second air passage, the cage, the steel balls, the limiting cylinder, the inner sleeve ring, the card slot and the linear driving mechanism, etc., the upper housing can be quickly disassembled and assembled on the lower housing only by driving the limiting cylinder to move through the linear driving mechanism, so as to realize the separation or connection of the first air passage and the second air passage, so as to realize the quick connection between the pneumatic fixture and the air source. The operation is simple and convenient, and the replacement efficiency of the multi-air passage pneumatic fixture is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an exploded view of a multi-air passage quick-change joint for a manipulator.

[0013] Figure 2 It is one of the cross-sectional views of a multi-air passage quick-change joint for a manipulator.

[0014] Figure 3 It is the second cross-sectional view of a multi-air passage quick-change joint for a manipulator.

[0015] Among them, the lower housing 1, the base 2, the first air passage 3, the piston 4, the first air chamber 5, the first air guide hole 6, the second air chamber 7, the second air guide hole 8, the cage 9, the steel balls 10, the limiting cylinder 11, the upper housing 12, the inner sleeve ring 13, the card slot 14, the second air passage 15, the rubber seal 16, the guide pin 17, the guide sleeve 18. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below in conjunction with embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0017] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0018] It should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation in the specification. Therefore, it should not be construed as a limitation to the present invention.

[0019] In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features.

[0020] Please refer to Figures 1 to 3 In an embodiment of the present invention, a multi-airway quick-change joint for a manipulator includes a lower housing 1 and an upper housing 12. The lower housing 1 is fixedly installed on a base 2, and the base 2 is fixedly installed at the end of the manipulator. A plurality of first airways 3 are provided through the top surface of the lower housing 1. The upper housing 12 is fixedly connected to a pneumatic fixture. Second airways 15 are provided through the corresponding positions of the bottom surface of the upper housing 12 and each of the first airways 3. A rubber seal 16 is embedded at the air outlet of the first airway 3, and the top end of the rubber seal 16 is in close contact with the inner wall of the air inlet of the second airway 15. A linear driving mechanism is provided in the lower housing 1, and a limiting cylinder 11 is fixedly connected to the linear driving mechanism. A retaining frame 9 is fixedly connected to the top opening of the lower housing 1. A plurality of steel balls 10 are movably provided through the outer peripheral wall of the retaining frame 9. The limiting cylinder 11 is located within the retaining frame 9. An inner collar 13 is fixedly embedded at the bottom of the upper housing 12. The top end of the retaining frame 9 and the steel balls 10 are both located inside the inner collar 13, and an annular card slot 14 is provided at the corresponding position of the inner wall of the inner collar 13 and the steel balls 10.

[0021] By adopting the above scheme, the utility model connects the air inlet of the first air passage 3 with the air source by means of pipelines and valves, and connects the air outlet of the second air passage 15 with each air pipe joint on the pneumatic fixture by means of a hose, so as to realize the connection between the air source and the pneumatic fixture. When it is necessary to replace the pneumatic fixture, only need to drive the limiting cylinder 11 to move downward to the lower housing 1 through the linear driving mechanism, so that the limiting cylinder 11 is separated from each steel ball 10. At this time, move the upper housing 12 upward relative to the lower housing 1, and the inner wall of the clamping groove 14 can be used to push the steel balls 10 towards the inside of the cage 9, so that the inner sleeve ring 13 can be smoothly removed from the top of the cage 9, so as to realize the separation of the upper housing 12 and the lower housing 1, and realize the separation of the pneumatic fixture and the manipulator. The inner sleeve ring 13 at the bottom of the upper housing 12 of the required pneumatic fixture is sleeved on the top of the holding strip 9, and after the steel balls 10 are aligned with the clamping grooves 14, start the linear driving mechanism to push the limiting cylinder 11 to move away from the lower housing 1, and the limiting cylinder 11 can be used to push each steel ball 10 to move, so that the steel balls 10 are re-inserted into the clamping grooves 14, so as to realize the fixed connection between the lower housing 1 and the upper housing 12, and connect the pneumatic fixture with the air source. The operation is simple and convenient.

[0022] Specifically combined with Figure 1 and Figure 2 In an embodiment of the present utility model, the linear driving mechanism includes a piston 4 slidably disposed through the bottom of the cage 9. The cage 9 is hermetically connected to the piston 4. The top of the piston 4 is fixedly connected to the limiting cylinder 11. The piston 4 is located inside the lower housing 1. The piston 4 is hermetically connected to the inner wall of the lower housing 1, and the inside of the lower housing 1 is divided into a first air chamber 5 and a second air chamber 7 by the piston 4. The outer wall of the lower housing 1 is provided with a first air guide hole 6 and a second air guide hole 8. The first air guide hole 6 is communicated with the first air chamber 5, and the second air guide hole 8 is communicated with the second air chamber 7.

[0023] By inflating the first air chamber 5, the piston 4 and the limiting cylinder 11 can be pushed to move upward, and the air in the second air chamber 7 is discharged through the second air guide hole 8. By inflating the second air chamber 7 through the second air guide hole 8, the piston 4 and the limiting cylinder 11 can be pushed to move downward, and the gas in the first air chamber 5 is discharged through the first air guide hole 6. Its structure is simple, the work is stable, and it is easy to be controlled by pneumatic control elements.

[0024] On the basis of the previous embodiment, further, a first sealing ring is sleeved on the outer wall of the piston 4 located inside the lower housing 1, and the outer wall of the first sealing ring fits with the inner wall of the lower housing 1, so as to ensure the sealing between the piston 4 and the inside of the lower housing 1 by means of the first sealing ring.

[0025] On the basis of the previous embodiment, further, a sealing gasket is provided between the inner wall of the cage 9 and the lower housing 1. A perforation adapted to the top end of the piston 4 is provided through the center of the bottom of the cage 9. A second sealing ring is embedded in the perforation. The piston 4 passes through the perforation, and the inner wall of the second sealing ring fits against the outer wall of the piston 4, thereby ensuring the sealing between the piston 4 and the cage 9 by means of the second sealing ring.

[0026] Specifically, in combination with Figure 1 , in an embodiment of the present invention, a plurality of guide pins 17 are fixedly installed at the top of the lower housing 1, and guide sleeves 18 are fixedly embedded at the corresponding positions of the bottom of the upper housing 12 and the guide pins 17. The guide sleeves 18 are adapted to the guide pins 17.

[0027] Through the cooperation of the guide sleeves 18 and the guide pins 17, it is convenient to position and install the upper housing 12 on the lower housing 1.

[0028] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A multi-airway quick-change joint for a manipulator, characterized in that: It includes a lower housing (1) and an upper housing (12). The lower housing (1) is fixedly installed on a base (2), and a plurality of first air ducts (3) are provided through the top surface of the lower housing (1). At the corresponding positions of the bottom surface of the upper housing (12) and each of the first air ducts (3), second air ducts (15) are provided through. A rubber seal (16) is embedded at the air outlet of the first air duct (3), and the top end of the rubber seal (16) is in close contact with the inner wall of the air inlet of the second air duct (15). A linear drive mechanism is arranged in the lower housing (1), and a limiting cylinder (11) is fixedly connected to the linear drive mechanism. A retaining cage (9) is fixedly connected to the top opening of the lower housing (1). A plurality of steel balls (10) are movably provided through the outer peripheral wall of the retaining cage (9). The limiting cylinder (11) is located inside the retaining cage (9). An inner collar (13) is fixedly embedded at the bottom of the upper housing (12). The top end of the retaining cage (9) and the steel balls (10) are both located inside the inner collar (13), and an annular card slot (14) is provided at the corresponding position of the inner wall of the inner collar (13) and the steel balls (10).

2. The multi-air circuit quick-change joint of a manipulator according to claim 1, characterized in that: The linear drive mechanism includes a piston (4) slidably passing through the bottom of the retaining cage (9). The retaining cage (9) is hermetically connected to the piston (4). The top end of the piston (4) is fixedly connected to the limiting cylinder (11). The piston (4) is located inside the lower housing (1). The piston (4) is hermetically connected to the inner wall of the lower housing (1). The inside of the lower housing (1) is separated into a first air chamber (5) and a second air chamber (7) by the piston (4). A first air guide hole (6) and a second air guide hole (8) are provided on the outer wall of the lower housing (1). The first air guide hole (6) is communicated with the first air chamber (5), and the second air guide hole (8) is communicated with the second air chamber (7).

3. The multi-air path quick-change joint of a manipulator according to claim 2, characterized in that: A first sealing ring is sleeved on the outer wall of the piston (4) located inside the lower housing (1), and the outer wall of the first sealing ring is attached to the inner wall of the lower housing (1).

4. The multi-air circuit quick-change joint of a manipulator according to claim 2, characterized in that: A through hole adapted to the top end of the piston (4) is provided through the center of the bottom of the retaining cage (9). A second sealing ring is embedded in the through hole. The piston (4) passes through the through hole, and the inner wall of the second sealing ring is attached to the outer wall of the piston (4).

5. The multi-air circuit quick-change joint of a manipulator according to claim 1, characterized in that: A plurality of guide pins (17) are fixedly installed at the top of the lower housing (1). Guide sleeves (18) are fixedly embedded at the corresponding positions of the bottom of the upper housing (12) and the guide pins (17). The guide sleeves (18) are adapted to the guide pins (17).

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