Air passage connecting mechanism and polishing device

Abstract

The utility model provides an air channel connecting mechanism which comprises a fixing piece, a plurality of air inlet channels, a plurality of air outlet pipes and a plurality of air outlet pipes. The connecting piece is rotationally connected with the fixing piece and is coaxially arranged with the fixing piece; the rotating piece is connected with the connecting piece and is provided with a plurality of air outlet channels, and the air outlet channels are used for communicating with the air outlet pipes; the ventilation piece is arranged on the connecting piece in a sleeving mode and abuts against the position between the connecting piece and the rotating piece, the ventilation piece is provided with a plurality of ventilation grooves of a concentric annular structure, the multiple ventilation grooves, the multiple air inlet channels and the multiple air outlet channels are in one-to-one correspondence and communicate with one another, and the ventilation grooves, the air inlet channels and the air outlet channels which correspond to one another form a driving air path. According to the air channel connecting mechanism, winding of the multiple air inlet pipes and the multiple air outlet pipes in the grinding process can be avoided to the maximum extent, and therefore the grinding efficiency is improved. The utility model further provides a polishing device comprising a driving mechanism, a polishing mechanism and the air channel connecting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic grinding, and particularly relates to an air passage connecting mechanism and a grinding device. Background Art

[0002] In a pneumatic grinding device, the driving force of the grinding mechanism is compressed air. Therefore, a plurality of air pipes are arranged between the driving mechanism and the grinding mechanism to form a plurality of driving air paths. However, the plurality of air pipes may be wound around each other due to the movement and rotation of the pneumatic grinding device during the grinding process. The mutually wound plurality of air pipes increase the load of the pneumatic grinding device and interfere with the grinding trajectory, resulting in low grinding efficiency of the pneumatic grinding device. Summary of the Utility Model

[0003] In view of the above, it is necessary to provide an air passage connecting mechanism and a grinding device to avoid the winding of air pipes and improve the grinding efficiency.

[0004] An embodiment of the utility model provides an air passage connecting mechanism, including:

[0005] A fixing member, which is provided with a plurality of air inlet channels for communicating a plurality of air inlet pipes;

[0006] A connecting member, which is rotatably connected to the fixing member and coaxially arranged;

[0007] A rotating member, which is connected to the connecting member and is provided with a plurality of air outlet channels for communicating a plurality of air outlet pipes;

[0008] A ventilation member, which is sleeved on the connecting member and abuts between the connecting member and the rotating member. The ventilation member is provided with a plurality of ventilation grooves in a concentric annular structure. The plurality of ventilation grooves, the plurality of air inlet channels, and the plurality of air outlet channels correspond to and communicate with each other one by one, and the mutually corresponding ventilation grooves, air inlet channels, and air outlet channels form a driving air path.

[0009] In some embodiments, each of the air inlet channels includes an air connection hole and an air inlet hole. The air connection hole is opened on the side surface of the fixing member, and the plurality of air connection holes are arranged at intervals along the circumferential direction of the fixing member. The air inlet hole is opened on the surface of the fixing member facing the rotating member and communicates with the air connection hole.

[0010] In some embodiments, the fixing member is of a cylindrical structure, the plurality of air connection holes are arranged at equal intervals along the circumferential direction of the fixing member, each air connection hole is arranged along the radial direction of the fixing member, and each air inlet hole is arranged along the axial direction of the fixing member.

[0011] In some embodiments, each of the air outlet channels includes an air inlet and an air outlet, the air inlet is arranged on the surface of the rotating part facing the fixed part, the air outlet is arranged on the side of the rotating part and connected to the air inlet, and a plurality of the air outlets are arranged at intervals along the circumference of the rotating part.

[0012] In some embodiments, the rotating member is a columnar structure, a plurality of the air outlet holes are arranged at equal intervals along the circumference of the rotating member, each of the air inlet holes is arranged along the axial direction of the rotating member, and each of the air outlet holes is arranged along the radial direction of the rotating member.

[0013] In some embodiments, the fixing member includes a fixing body and a bearing, the plurality of air inlet passages are all opened in the fixing body, the fixing body is abutted against the ventilation member, the bearing is embedded in the fixing body and is coaxially arranged with the fixing body. The connecting member includes a connecting shaft, a mounting body and a fastening body, the connecting shaft passes through the bearing and the rotating member, and the connecting shaft and the rotating member are coaxially arranged, the mounting body is sleeved on the connecting shaft and is used to connect to an external driving mechanism, and the fastening body is connected to the connecting shaft and the rotating member to fix the connecting shaft and the rotating member.

[0014] In some embodiments, the connecting shaft cooperates with the slot of the rotating part, and the fastening body includes a bushing and a fastening portion, the bushing is embedded in the side of the rotating part away from the fixed part, the fastening portion passes through the bushing and is threadedly connected to the connecting shaft, and the fastening portion presses the bushing onto the rotating part.

[0015] In some embodiments, a guide groove is formed at one end of the fixing member away from the rotating member, and the guide groove is used to accommodate a portion of the driving mechanism.

[0016] In some embodiments, the ventilator comprises a plurality of sealing rings, the plurality of sealing rings are in a concentric ring structure, and each two adjacent sealing rings form a ventilator groove. The fixed member is provided with a plurality of limiting grooves on the surface facing the rotating member, the plurality of limiting grooves correspond to the plurality of sealing rings one by one, and each sealing ring is accommodated in the corresponding limiting groove and has an interference fit with the rotating member.

[0017] The present invention also provides a grinding device, comprising:

[0018] The above-mentioned airway connection mechanism;

[0019] The driving mechanism comprises a driving assembly, a rotating member and a plurality of air intake pipes, wherein the driving assembly is connected to the fixing member, the rotating member is connected to the connecting member, so as to drive the connecting member to rotate under the driving of the driving assembly, and the plurality of air intake pipes correspond to and are connected to the plurality of air intake channels one by one;

[0020] The grinding mechanism includes a grinding component and a plurality of air outlet pipes all connected to the grinding component. The grinding component is connected to the rotating member, and the plurality of air outlet pipes correspond to and communicate with the plurality of air outlet channels one by one.

[0021] In the above air duct connection mechanism and grinding device, the rotating member provided with a plurality of air outlet channels rotates relative to the fixed member provided with a plurality of air inlet channels through a connecting member. The plurality of air inlet channels are used to communicate with a plurality of air inlet pipes, and the plurality of air outlet channels are used to communicate with a plurality of air outlet pipes, which can maximally avoid the entanglement of the plurality of air inlet pipes and the plurality of air outlet pipes during the grinding process, thereby improving the grinding efficiency. Description of the Drawings

[0022] Figure 1 It is a schematic structural diagram of the grinding device according to an embodiment of the present invention.

[0023] Figure 2 is Figure 1 A schematic structural diagram of the air duct connection mechanism in the shown grinding device.

[0024] Figure 3 is Figure 2 An exploded schematic diagram of the shown air duct connection mechanism.

[0025] Figure 4 is Figure 3 A schematic structural diagram of the fixed body in the shown air duct connection mechanism from another angle.

[0026] Figure 5 is Figure 3 A schematic structural diagram of the shown air duct connection mechanism from another angle.

[0027] Description of the Main Component Symbols

[0028] Air duct connection mechanism 100

[0029] Fixed member 110

[0030] Air inlet channel 110a

[0031] Air connection hole 110b

[0032] Air inlet hole 110c

[0033] Guide groove 110d

[0034] Limit groove 110e

[0035] Fixed body 111

[0036] Bearing 112

[0037] Connection sleeve 113

[0038] Connecting member 120

[0039] Connecting shaft 121

[0040] Mounting body 122

[0041] Fastening member 123

[0042] Bushing 1231

[0043] Fastening portion 1232

[0044] Rotating member 130

[0045] Gas outlet channel 130a

[0046] Air inlet hole 130b

[0047] Air outlet hole 130c

[0048] Ventilation member 140

[0049] Ventilation groove 140a

[0050] Sealing ring 141

[0051] Grinding device 1000

[0052] Drive mechanism 200

[0053] Drive assembly 210

[0054] Rotating part 220

[0055] Intake pipe 230

[0056] Grinding mechanism 300

[0057] Grinding assembly 310

[0058] Outlet pipe 320 Detailed implementation manners

[0059] The following details the implementation manners of the present utility model. Examples of the implementation manners are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The implementation manners described below by referring to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0060] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the term "connection" 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, an electrical connection, or a connection that allows mutual communication; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0061] The following will describe each embodiment of this case in detail with reference to the accompanying drawings.

[0062] Please refer to Figure 1 , the embodiment of the present utility model further provides a grinding device 1000, which includes an air passage connection mechanism 100, a driving mechanism 200, and a grinding mechanism 300. Among them, the air passage connection mechanism 100 is used to form a plurality of driving air paths between the driving mechanism 200 and the grinding mechanism 300, so that the power source of the grinding device 1000 is compressed air.

[0063] Please refer to Figure 2 and Figure 3 , the air passage connection mechanism 100 includes a fixing member 110, a connecting member 120, a rotating member 130, and a ventilation member 140. The fixing member 110 is provided with a plurality of air inlet channels 110a, and the plurality of air inlet channels 110a are used to communicate with a plurality of air inlet pipes 230. The connecting member 120 is rotatably connected to the fixing member 110 and is coaxially arranged. The rotating member 130 is connected to the connecting member 120 and is provided with a plurality of air outlet channels 130a, and the plurality of air outlet channels 130a are used to communicate with a plurality of air outlet pipes 320. The ventilation member 140 is sleeved on the connecting member 120 and abuts between the connecting member 120 and the rotating member 130. The ventilation member 140 is provided with a plurality of ventilation grooves 140a in a concentric ring structure. The plurality of ventilation grooves 140a, the plurality of air inlet channels 110a, and the plurality of air outlet channels 130a respectively correspond to and communicate with each other, and the mutually corresponding ventilation grooves 140a, air inlet channels 110a, and air outlet channels 130a form a driving air path.

[0064] It should be noted that the formed plurality of driving air paths can meet the requirements of different grinding powers of the grinding mechanism 300. Among them, the grinding principle and working process of the grinding mechanism 300 realized through the driving air path can be directly obtained from the published literature and will not be elaborated here.

[0065] Please refer to Figure 4, in some embodiments, each intake passage 110a includes an air intake hole 110b and an air inlet hole 110c. The air intake hole 110b is formed in the side surface of the fixing member 110, and a plurality of air intake holes 110b are arranged at intervals along the circumferential direction of the fixing member 110. The air inlet hole 110c is formed in the surface of the fixing member 110 facing the rotating member 130 and communicates with the air intake hole 110b.

[0066] Therefore, the air intake hole 110b and the air inlet hole 110c are located on different surfaces of the fixing member 110, which is beneficial to the separate installation of the fixing member 110 with the intake pipe 230 and the ventilation member 140.

[0067] In some embodiments, the fixing member 110 is of a cylindrical structure, and a plurality of air intake holes 110b are arranged at equal intervals along the circumferential direction of the fixing member 110. Each air intake hole 110b is arranged along the radial direction of the fixing member 110, and each air inlet hole 110c is arranged along the axial direction of the fixing member 110. In this embodiment, the distances between the plurality of air inlet holes 110c and the center of the fixing member 110 are different.

[0068] Therefore, through the above arrangement, each intake passage 110a is generally L-shaped, which is beneficial to reducing the processing difficulty of the plurality of intake passages 110a.

[0069] Please refer to Figure 3 , in some embodiments, each exhaust passage 130a includes an air inlet hole 130b and an air outlet hole 130c. The air inlet hole 130b is formed in the surface of the rotating member 130 facing the fixing member 110, the air outlet hole 130c is formed in the side surface of the rotating member 130 and communicates with the air inlet hole 130b, and a plurality of air outlet holes 130c are arranged at intervals along the circumferential direction of the rotating member 130.

[0070] Therefore, the air inlet hole 130b and the air outlet hole 130c are located on different surfaces of the rotating member 130, which is beneficial to the separate installation of the rotating member 130 with the ventilation member 140 and the exhaust pipe 320.

[0071] In some embodiments, the rotating member 130 is of a columnar structure, and a plurality of air outlet holes 130c are arranged at equal intervals along the circumferential direction of the rotating member 130. Each air inlet hole 130b is arranged along the axial direction of the rotating member 130, and each air outlet hole 130c is arranged along the radial direction of the rotating member 130. In this embodiment, the distances between the plurality of air inlet holes 130b and the center of the rotating member 130 are different.

[0072] Therefore, through the above arrangement, each exhaust passage 130a is generally L-shaped, which is beneficial to reducing the processing difficulty of the plurality of exhaust passages 130a.

[0073] Please refer to Figure 3 and Figure 5In some embodiments, the fixing member 110 includes a fixing body 111 and a bearing 112. The plurality of air inlet passages 110a are all opened in the fixing body 111. The fixing body 111 abuts against the ventilator 140. The bearing 112 is embedded in the fixing body 111 and is coaxially arranged with the fixing body 111. The connecting member 120 includes a connecting shaft 121, a mounting body 122 and a fastening body 123. The connecting shaft 121 passes through the bearing 112 and the rotating member 130, and the connecting shaft 121 and the rotating member 130 are coaxially arranged. The mounting body 122 is sleeved on the connecting shaft 121 and is used to connect the driving mechanism 200. The fastening body 123 is connected to the connecting shaft 121 and the rotating member 130 to fix the connecting shaft 121 and the rotating member 130.

[0074] In this embodiment, the fixing body 111 is a hollow structure, and there are two bearings 112. The two bearings 112 are arranged at intervals along the axial direction of the fixing body 111 and are located between the mounting body 122 and the ventilator 140. In addition, the fixing member 110 further includes a connecting sleeve 113 arranged between the two bearings 112. The connecting sleeve 113 is sleeved on the connecting shaft 121 and abuts against the two bearings 112 respectively.

[0075] In some embodiments, the connecting shaft 121 is engaged with the rotating member 130 by a slot, and the fastening body 123 includes a bushing 1231 and a fastening portion 1232. The bushing 1231 is embedded in the side of the rotating member 130 away from the fixed member 110, and the fastening portion 1232 passes through the bushing 1231 and is threadedly connected to the connecting shaft 121, and the fastening portion 1232 presses the bushing 1231 to the rotating member 130. In this embodiment, the fastening portion 1232 is a bolt, wherein the head of the bolt presses the bushing 1231 to the rotating member 130.

[0076] Therefore, through the above configuration, the difficulty of installing the connecting member 120 can be reduced, thereby improving the assembly efficiency of the connecting member 120, the rotating member 130 and the fixing member 110.

[0077] See also Figure 3 In some embodiments, a guide groove 110d is formed at one end of the fixing member 110 away from the rotating member 130. The guide groove 110d is used to accommodate part of the driving mechanism 200, which is beneficial to improving the connection efficiency between the airway connecting mechanism 100 and the driving mechanism 200.

[0078] See also Figure 3 and Figure 4, in some embodiments, the venting member 140 includes a plurality of sealing rings 141. The plurality of sealing rings 141 are arranged in a concentric ring structure, and each adjacent pair of sealing rings 141 forms a venting groove 140a. The surface of the fixing member 110 facing the rotating member 130 is provided with a plurality of limiting grooves 110e. The plurality of limiting grooves 110e correspond to the plurality of sealing rings 141 one by one, and each sealing ring 141 is received in the corresponding limiting groove 110e and is in interference fit with the rotating member 130.

[0079] Specifically, a part of each sealing ring 141 is received in the corresponding limiting groove 110e, and the other end of each sealing ring 141 protrudes from the corresponding limiting groove 110e and abuts against the rotating member 130.

[0080] In this embodiment, there is no connection relationship between the plurality of sealing rings 141, and the positions of the plurality of sealing rings 141 are defined by the plurality of limiting grooves 110e.

[0081] Please refer to again Figure 1 , in some embodiments, the driving mechanism 200 includes a driving component 210, a rotating member 220, and a plurality of intake pipes 230. The driving component 210 is connected to the fixing member 110, and the rotating member 220 is connected to the connecting member 120 to drive the connecting member 120 to rotate under the drive of the driving component 210. The plurality of intake pipes 230 correspond to and communicate with the plurality of intake channels 110a one by one. The grinding mechanism 300 includes a grinding component 310 and a plurality of outlet pipes 320 both connected to the grinding component 310. The grinding component 310 is connected to the rotating member 130, and the plurality of outlet pipes 320 correspond to and communicate with the plurality of outlet channels 130a one by one.

[0082] It should be noted that Figure 1 only shows the setting manner of one intake pipe 230 and one outlet pipe 320. During the actual assembly process of the grinding device 1000, the setting manners of the plurality of intake pipes 230 and the plurality of outlet pipes 320 can be adjusted in a timely manner based on the working space, the working range of the grinding component 310, etc.

[0083] In the above airway connection mechanism 100 and grinding device 1000, the rotating member 130 provided with a plurality of outlet channels 130a rotates relative to the fixing member 110 provided with a plurality of intake channels 110a through the connecting member 120. The plurality of intake channels 110a are used to connect the plurality of intake pipes 230, and the plurality of outlet channels 130a are used to connect the plurality of outlet pipes 320, which can maximize the avoidance of entanglement of the plurality of intake pipes 230 and the plurality of outlet pipes 320 during the grinding process, thereby improving the grinding efficiency.

[0084] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced by the present utility model.

[0085] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present utility model.

Claims

1. An airway connection mechanism, characterized in that, include: The fixing member is provided with a plurality of air inlet passages, wherein the plurality of air inlet passages are used to connect the plurality of air inlet pipes; A connecting member, rotatably connected to the fixing member and coaxially arranged; A rotating member connected to the connecting member and provided with a plurality of air outlet channels, wherein the plurality of air outlet channels are used to connect a plurality of air outlet pipes; A vent member is sleeved on the connecting member and supported between the connecting member and the rotating member. The vent member is provided with a plurality of vent grooves in a concentric ring structure. The plurality of vent grooves, the plurality of air inlet channels, and the plurality of air outlet channels correspond to each other and are connected, and the corresponding vent grooves, the air inlet channels, and the air outlet channels form a driving air path.

2. The airway connection mechanism according to claim 1, characterized in that: Each of the air inlet channels comprises an air connection hole and an air inlet hole. The air connection hole is opened on the side of the fixing member. A plurality of the air connection holes are arranged at intervals along the circumference of the fixing member. The air inlet hole is opened on the surface of the fixing member facing the rotating member and is connected to the air connection hole.

3. The airway connection mechanism according to claim 2, characterized in that: The fixing member is a cylindrical structure, and a plurality of air receiving holes are arranged at equal intervals along the circumference of the fixing member, each of the air receiving holes is arranged along the radial direction of the fixing member, and each of the air inlet holes is arranged along the axial direction of the fixing member.

4. The airway connection mechanism according to claim 1, characterized in that: Each of the air outlet channels comprises an air inlet and an air outlet. The air inlet is arranged on the surface of the rotating member facing the fixed member, and the air outlet is arranged on the side of the rotating member and connected to the air inlet. A plurality of the air outlets are arranged at intervals along the circumference of the rotating member.

5. The airway connection mechanism according to claim 4, characterized in that: The rotating member is a columnar structure, a plurality of the air outlet holes are arranged at equal intervals along the circumference of the rotating member, each of the air inlet holes is arranged along the axial direction of the rotating member, and each of the air outlet holes is arranged along the radial direction of the rotating member.

6. The airway connection mechanism according to claim 1, characterized in that: The fixing member includes a fixing body and a bearing, the plurality of air inlet passages are all opened in the fixing body, the fixing body and the ventilator are abutted against each other, and the bearing is embedded in the fixing body and is coaxially arranged with the fixing body; The connecting member includes a connecting shaft, a mounting body and a fastening body. The connecting shaft passes through the bearing and the rotating member, and the connecting shaft and the rotating member are coaxially arranged. The mounting body is sleeved on the connecting shaft and is used to connect to an external driving mechanism. The fastening body is connected to the connecting shaft and the rotating member to fix the connecting shaft and the rotating member.

7. The airway connection mechanism according to claim 6, characterized in that: The connecting shaft cooperates with the slot of the rotating part, and the fastening body includes a bushing and a fastening part. The bushing is embedded in the side of the rotating part away from the fixed part, and the fastening part passes through the bushing and is threadedly connected to the connecting shaft, and the fastening part presses the bushing onto the rotating part.

8. The airway connection mechanism according to claim 6, characterized in that: One end of the fixing member facing away from the rotating member is provided with a guiding groove for accommodating a part of the driving mechanism.

9. The airway connection mechanism according to claim 1, wherein the ventilation member includes a plurality of sealing rings, and the plurality of sealing rings are in a concentric circular ring structure, and each adjacent two of the sealing rings form a ventilation groove; a plurality of limiting grooves are provided on the surface of the fixing member facing the rotating member, and the plurality of limiting grooves correspond to the plurality of sealing rings one by one, and each sealing ring is accommodated in the corresponding limiting groove and is in interference fit with the rotating member.

10. A grinding device, characterized in that, including: the airway connection mechanism according to any one of claims 1 to 9; a driving mechanism, including a driving component, a rotating member and a plurality of intake pipes, the driving component is connected to the fixing member, the rotating member is connected to the connecting member to drive the connecting member to rotate under the drive of the driving component, and the plurality of intake pipes correspond to and communicate with the plurality of intake channels one by one; a grinding mechanism, including a grinding component and a plurality of outlet pipes both connected to the grinding component, the grinding component is connected to the rotating member, and the plurality of outlet pipes correspond to and communicate with the plurality of outlet channels one by one.

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