R-shaft assembly capable of achieving internal air passing

Abstract

The utility model relates to the technical field of industrial instruments, in particular to an R-shaft assembly capable of achieving internal gas passing, which comprises a support, a driving assembly is connected to the surface of the support and comprises a stepping motor, a hollow motor shaft, a hollow rotating shaft and a coupler, the stepping motor is fixedly connected to the top end of the support, and the hollow motor shaft is fixedly connected to the hollow rotating shaft. A hollow motor shaft with two through ends is mounted in the stepping motor; an air passing structure is arranged between the support and the hollow motor shaft; an original point sensing assembly is further fixed to the surface of the support. The hollow motor shaft and the hollow rotating shaft are both arranged in a hollow mode, air can enter the air tap, the gap between the hollow motor shaft and the hollow rotating shaft is sealed through the sealing gasket at the bottom, and the hollow rotating shaft and the air tap are sealed through the sealing ring. Therefore, internal air flowing can be achieved while infinite rotation is achieved, and normal use of the air tap is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial appliance technical field, concretely is a kind of R shaft assembly of realization internal air. BACKGROUND

[0002] In industrial production process, product often needs to rotate from one position to another, and usually needs to be first sucked by suction nozzle during handling and then rotated, currently, the existing suction nozzle is all external air pipe to realize air during suction, which can not realize 360 ° infinite rotation function during subsequent rotation of product, and also can not realize closed-loop control, so a kind of R shaft assembly for realizing internal air is needed. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of R shaft assembly for realizing internal air, to solve the problem that the existing technology is all external air pipe to realize air during suction in the above background art, cannot realize 360 ° infinite rotation.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of R shaft assembly for realizing internal air, including support, the surface of the support is connected with driving assembly, the driving assembly is by step motor, hollow motor shaft, hollow rotating shaft and coupling composition, the step motor is fixedly connected at the top of support, and hollow motor shaft is installed in the inside of step motor and penetrates two ends, the lower portion of the support is provided with hollow rotating shaft, and the top of hollow rotating shaft penetrates support;The bottom of hollow motor shaft is installed with air nozzle;Air structure is arranged between the support and hollow motor shaft, and the air structure is used to air to make air nozzle to carry out adsorption work;The surface of the support is also fixed with origin sensing assembly.

[0005] Preferably, the bottom of the step motor is fixedly connected with the coupling, and the top of the hollow rotating shaft is fixedly connected with the coupling, and the top of the step motor is rotatably connected with the air pipe joint, and the air pipe joint is used to connect the air source air pipe.

[0006] Preferably, the origin sensing assembly includes a mounting plate, an origin sensor, a sensing sheet and a locking nut, the mounting plate is fixedly connected to the surface of the support, and the surface of the mounting plate is provided with the origin sensor by screw.

[0007] Preferably, the sensing sheet is sleeved on the surface of the hollow motor shaft, and the sensing sheet cooperates with the origin sensor to sense the origin during the rotation of the hollow motor shaft, and the locking nut is sleeved on the surface of the hollow motor shaft and below the sensing sheet, and the locking nut cooperates with the hollow rotating shaft to fix the sensing sheet.

[0008] Preferably, the air passing structure is composed of an inner shaft sleeve, an outer shaft sleeve, a ball bearing, a bearing pressing plate, a sealing gasket and a sealing ring, the inner shaft sleeve is sleeved on the surface of the hollow motor shaft, and the outer side of the inner shaft sleeve is provided with the outer shaft sleeve.

[0009] Preferably, the upper and lower ends of the inner shaft sleeve and the outer shaft sleeve are both provided with the ball bearing, the surface of the hollow rotating shaft and below the ball bearing is sleeved with the bearing pressing plate, and the bearing pressing plate is fixedly connected with the bottom of the support through screws.

[0010] Preferably, the sealing gasket is arranged between the hollow motor shaft and the hollow rotating shaft inside the shaft coupling, and is used for sealing work when the hollow motor shaft and the hollow rotating shaft are butted; and the sealing ring is arranged between the air nozzle and the hollow rotating shaft, and is used for sealing work when the hollow rotating shaft is connected with the air nozzle.

[0011] Compared with the prior art, the air passing structure of the R shaft assembly is provided, and when the air passing structure is implemented, since the hollow motor shaft and the hollow rotating shaft are both hollow, the gas can enter the inside of the air nozzle, the top end of the hollow motor shaft is provided with the high-speed rotating air pipe joint connected with the air source pipe, the bottom part seals the gap between the hollow motor shaft and the hollow rotating shaft through the sealing gasket, and the hollow rotating shaft and the air nozzle are also sealed by the sealing ring, so that the internal air passing can be realized while the hollow rotating shaft rotates, and the normal use of the air nozzle is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional left view structure schematic diagram of the utility model;

[0013] Figure 2 It is a three-dimensional right view structure schematic diagram of the utility model;

[0014] Figure 3 It is a separation state structure schematic diagram of the utility model;

[0015] Figure 4 It is an explosion structure schematic diagram of the utility model.

[0016] In the drawing: 1, support; 2, driving assembly; 21, stepping motor; 22, hollow motor shaft; 221, air pipe joint; 23, hollow rotating shaft; 24, shaft coupling; 3, air nozzle; 4, origin sensing assembly; 41, mounting plate; 42, origin sensor; 43, sensing sheet; 44, locking nut; 5, air passing structure; 51, inner shaft sleeve; 52, outer shaft sleeve; 53, ball bearing; 54, bearing pressing plate; 55, sealing gasket; 56, sealing ring. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. In addition, the terms "first", "second", "third", "upper", "lower", "left", "right" and the like are only used for description purposes, and cannot be understood as indicating or implying relative importance. Meanwhile, in the description of the present application, unless explicitly specified and limited, the terms "connected" and "linked" should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0018] The structure of the R-axis assembly for realizing internal air flow provided by the present application is shown in Figure 1 and Figure 4 , which comprises a support 1, the surface of the support 1 is connected with a driving assembly 2, the driving assembly 2 is composed of a stepping motor 21, a hollow motor shaft 22, a hollow rotating shaft 23 and a coupling 24, the stepping motor 21 is fixedly connected to the top end of the support 1, and the hollow motor shaft 22 penetrating through both ends is installed in the interior of the stepping motor 21, the hollow rotating shaft 23 is arranged below the support 1, and the top end of the hollow rotating shaft 23 penetrates through the support 1, the bottom end of the stepping motor 21 is fixedly connected with the coupling 24, and the top end of the hollow rotating shaft 23 is fixedly connected with the coupling 24, the top end of the stepping motor 21 is rotatably connected with an air pipe joint 221, and the air pipe joint 221 is used for connecting an air source air pipe; the bottom end of the hollow motor shaft 22 is installed with an air nozzle 3.

[0019] In the implementation, the hollow motor shaft 22 and the hollow rotating shaft 23 are both hollow, which can realize the air entering the interior of the air nozzle 3.

[0020] Further, as shown in Figure 3 and Figure 4As shown, the support 1 and the hollow motor shaft 22 are provided with an air passing structure 5 for air passing to promote the suction work of the air nozzle 3. The air passing structure 5 is composed of an inner shaft sleeve 51, an outer shaft sleeve 52, a ball bearing 53, a bearing pressing plate 54, a sealing gasket 55 and a sealing ring 56. The inner shaft sleeve 51 is sleeved on the surface of the hollow motor shaft 22, and the outer side of the inner shaft sleeve 51 is provided with the outer shaft sleeve 52. The upper and lower ends of the inner shaft sleeve 51 and the outer shaft sleeve 52 are both provided with the ball bearing 53. The bearing pressing plate 54 is sleeved on the surface of the hollow rotating shaft 23 below the ball bearing 53, and is fixed to the bottom of the support 1 by screws. The sealing gasket 55 is arranged between the hollow motor shaft 22 and the hollow rotating shaft 23 inside the shaft coupling 24, and is used for sealing work when the hollow motor shaft 22 and the hollow rotating shaft 23 are connected. The sealing ring 56 is arranged between the air nozzle 3 and the hollow rotating shaft 23, and is used for sealing work when the hollow rotating shaft 23 is connected with the air nozzle 3.

[0021] In implementation, the top end of the hollow motor shaft 22 is provided with a high-speed rotating air pipe joint 221 connected with the air source pipe. The gap between the hollow motor shaft 22 and the hollow rotating shaft 23 is sealed by the sealing gasket 55 at the bottom. The gap between the hollow rotating shaft 23 and the air nozzle 3 is also sealed by the sealing ring 56.

[0022] Further, as shown in Figure 2 and Figure 4 The surface of the support 1 is also fixed with an origin sensing assembly 4. The origin sensing assembly 4 includes a mounting plate 41, an origin sensor 42, a sensing sheet 43 and a locking nut 44. The mounting plate 41 is fixed to the surface of the support 1, and the surface of the mounting plate 41 is provided with the origin sensor 42 by screws. The sensing sheet 43 is sleeved on the surface of the hollow motor shaft 22, and cooperates with the origin sensor 42 to sense the origin when the hollow motor shaft 22 rotates. The locking nut 44 is sleeved on the surface of the hollow motor shaft 22 below the sensing sheet 43, and cooperates with the hollow rotating shaft 23 to fix the sensing sheet 43.

[0023] In implementation, the origin is sensed by the cooperation of the origin sensor 42 on the surface of the mounting plate 41 and the sensing sheet 43 on the surface of the hollow rotating shaft 23.

[0024] Working principle: In use, since the hollow motor shaft 22 and the hollow rotating shaft 23 are both provided in a hollow manner, the gas can enter the inside of the air nozzle 3. The top end of the hollow motor shaft 22 is provided with a high-speed rotating air pipe joint 221 connected with the air source pipe. The gap between the hollow motor shaft 22 and the hollow rotating shaft 23 is sealed by the sealing gasket 55 at the bottom. The gap between the hollow rotating shaft 23 and the air nozzle 3 is also sealed by the sealing ring 56. Thus, the internal air passing can be realized while the hollow rotating shaft 23 rotates infinitely, ensuring the normal use of the air nozzle 3.

[0025] In the transmission, the hollow motor shaft 22 is driven to rotate by the stepping motor 21, and the hollow rotating shaft 23 is driven to rotate by the hollow motor shaft 22 under the action of the shaft coupling 24, and the hollow rotating shaft 23 rotates under the cooperation of the inner shaft sleeve 51, the outer shaft sleeve 52 and the ball bearing 53, so as to transmit power and motion, thereby realizing the rotating work of the air nozzle 3; meanwhile, in the motion, the origin sensing is realized by the origin sensing assembly 4, and the origin sensing is realized by the cooperation of the origin sensor 42 on the surface of the mounting plate 41 and the sensing sheet 43 on the surface of the hollow rotating shaft 23.

[0026] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An R-shaft assembly implementing internal air venting, comprising a carrier (1), characterized in that: The surface of the support (1) is connected with a driving assembly (2), the driving assembly (2) is composed of a stepping motor (21), a hollow motor shaft (22), a hollow rotating shaft (23) and a shaft coupling (24), the stepping motor (21) is fixedly connected to the top end of the support (1), and the hollow motor shaft (22) penetrating through both ends is arranged in the stepping motor (21), the bottom of the support (1) is provided with the hollow rotating shaft (23), and the top end of the hollow rotating shaft (23) penetrates through the support (1); the bottom end of the hollow motor shaft (22) is provided with an air nozzle (3); a gas passing structure (5) is arranged between the support (1) and the hollow motor shaft (22), and the gas passing structure (5) is used for passing gas to make the air nozzle (3) adsorb; the surface of the support (1) is also fixed with an origin sensing assembly (4).

2. The R-shaft assembly of claim 1, wherein: The bottom end of the stepping motor (21) is fixedly connected with the shaft coupling (24), and the top end of the hollow rotating shaft (23) is fixedly connected with the shaft coupling (24), and the top end of the stepping motor (21) is rotatably connected with an air pipe joint (221), which is used for connecting the air source pipe.

3. The R-shaft assembly of claim 1, wherein: The origin sensing assembly (4) comprises a mounting plate (41), an origin sensor (42), an induction sheet (43) and a locking nut (44), the mounting plate (41) is fixedly connected to the surface of the support (1), and the surface of the mounting plate (41) is provided with the origin sensor (42) through screws.

4. The R-shaft assembly of claim 3, wherein: The induction sheet (43) is sleeved on the surface of the hollow motor shaft (22), and the induction sheet (43) cooperates with the origin sensor (42) to sense the origin when the hollow motor shaft (22) rotates, and the locking nut (44) is sleeved on the surface of the hollow motor shaft (22) below the induction sheet (43), which cooperates with the hollow rotating shaft (23) to fix the induction sheet (43).

5. The R-shaft assembly of claim 1, wherein: The gas passing structure (5) is composed of an inner shaft sleeve (51), an outer shaft sleeve (52), a ball bearing (53), a bearing pressing plate (54), a sealing gasket (55) and a sealing ring (56), the inner shaft sleeve (51) is sleeved on the surface of the hollow motor shaft (22), and the outer side of the inner shaft sleeve (51) is provided with the outer shaft sleeve (52).

6. The R-shaft assembly of claim 5, wherein: The upper and lower ends of the inner shaft sleeve (51) and the outer shaft sleeve (52) are both provided with the ball bearing (53), the surface of the hollow rotating shaft (23) below the ball bearing (53) is sleeved with the bearing pressing plate (54), and the bottom of the bearing pressing plate (54) is fixedly connected with the support (1) by screws.

7. The R-shaft assembly of claim 6, wherein: The sealing gasket (55) is arranged between the hollow motor shaft (22) and the hollow rotating shaft (23) in the shaft coupling (24), and the sealing gasket (55) is used for sealing when the hollow motor shaft (22) and the hollow rotating shaft (23) are connected; a sealing ring (56) is arranged between the air nozzle (3) and the hollow rotating shaft (23), and the sealing ring (56) is used for sealing when the hollow rotating shaft (23) is connected with the air nozzle (3).

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