Polishing device

Abstract

The utility model provides a polishing device which comprises a rotating part and at least one polishing part, the rotating part comprises a polishing disc, the polishing part comprises a mounting piece and a polishing piece, the polishing piece is directly or indirectly connected with the mounting piece, the mounting piece is in sliding connection with the polishing disc, and the polishing disc is connected with the mounting piece. The mounting part can move relative to the grinding disc in the radial direction of the grinding disc, and the grinding disc can drive the mounting part and the grinding part to rotate. According to the polishing device, the installation part is connected with the polishing disc in the sliding mode and can move in the radial direction of the polishing disc, the polishing part is directly or indirectly connected with the installation part, and therefore when the pipe fitting is inserted into the polishing device, the installation part can drive the polishing part to move in the radial direction of the polishing disc, obstruction of the polishing part to the pipe fitting is reduced, and the polishing efficiency is improved. The pipe wall of the pipe fitting can make contact with the grinding piece more accurately, and the ground position of the pipe fitting is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe fitting polishing technical field, concretely relates to a polishing device. BACKGROUND

[0002] Before welding part pipe fittings, need to polish the cooperation position of pipe fitting welding to remove surface oxide layer, in addition, in order to guarantee the surface function of pipe fitting and its aesthetic property etc., usually also polish the pipe fitting. When polishing pipe fitting, need to insert pipe fitting into polishing device, let the pipe wall of pipe fitting and polishing piece close contact to polish pipe fitting. In relevant technology, the polishing piece of most polishing devices is fixed, but the polishing piece needs to be in close contact with the outer wall of pipe fitting to polish pipe fitting, which leads to the difficulty of accurate cooperation between pipe fitting and polishing piece when inserting pipe fitting, which may cause the inaccuracy of the polished position of pipe fitting. SUMMARY

[0003] The utility model provides a kind of polishing device, the polishing device includes rotating part and at least one polishing part, the rotating part includes polishing disc, the polishing part includes mounting and polishing piece, the polishing piece is directly or indirectly connected with the mounting, the mounting is slidably connected with the polishing disc, and the mounting can be moved along the radial direction of the polishing disc relative to the polishing disc, and the polishing disc can drive the mounting and the polishing piece rotation.

[0004] The polishing device provided by the utility model is slidably connected with the mounting and the polishing disc and can be moved along the radial direction of the polishing disc, and the polishing piece is directly or indirectly connected with the mounting, so that the mounting can drive the polishing piece to move along the radial direction of the polishing disc when pipe fitting is inserted into the polishing device, to reduce the obstruction of the polishing piece to pipe fitting, so that the pipe wall of pipe fitting can be more accurately contacted with the polishing piece, and the polished position of pipe fitting is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0005] Figure 1 It is the structure schematic of the polishing device of the utility model embodiment Figure 1 ;

[0006] Figure 2 It is the structure schematic of polishing part, sliding piece, reset part and collection box in the utility model embodiment;

[0007] Figure 3 It is part of the structure schematic of rotating part in the utility model embodiment Figure 1 ;

[0008] Figure 4 It is part of the structure schematic of rotating part in the utility model embodiment Figure 2 ;

[0009] Figure 5 is a structural schematic view of the pressing part in the embodiment of the utility model;

[0010] Figure 6 is a structural schematic view of the polishing device in the embodiment of the utility model Figure 2 .

[0011] Reference signs: 1, rotating part; 11, polishing disc, 12, pneumatic motor, 13, driving gear, 14, driven gear, 2, polishing part; 21, mounting piece; 211, arc plate, 212, mounting seat, 213, adjusting block, 22, polishing piece; 3, pressing part; 31, telescopic piece; 32, rotating piece; 33, support frame, 4, sliding piece; 41, slide rail, 42, sliding block, 5, reset part; 51, fixed seat, 52, elastic piece, 6, collecting box; 7, shell; 71, inserting hole; 8, rack; 81, main frame body; 82, auxiliary frame body.

[0012] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments consistent with the present application and, together with the description, further serve to explain the principles of the application. DETAILED DESCRIPTION

[0013] In order to better understand the technical scheme of the present application, the embodiments of the present application will be described in detail below with reference to the drawings.

[0014] It should be clear that the described embodiments are only part of the technical solutions of the present application, not all. Based on the technical solutions in the present application, all other technical solutions obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0015] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0016] It should be understood that the term "and / or" used herein is only to describe the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.

[0017] It should be noted that the "upper", "lower", "left", "right" and other orientation words described in the embodiments of the present application are described in the angle shown in the drawings, and should not be understood as a limitation on the embodiments of the present application. In addition, it should also be understood in the context that when referring to one element connected to another element "on" or "under", it can not only be directly connected to another element "on" or "under", but also indirectly connected to another element "on" or "under" through an intermediate element.

[0018] As Figures 1-6 shown, the polishing device of the utility model embodiment includes rotating part 1 and at least one polishing part 2, rotating part 1 includes polishing disc 11, polishing part 2 includes mounting piece 21 and polishing piece 22, polishing piece 22 is directly or indirectly connected with mounting piece 21, mounting piece 21 is connected with polishing disc 11 slidingly, and mounting piece 21 can move along the radial direction of polishing disc 11 relative to polishing disc 11, and polishing disc 11 can drive mounting piece 21 and polishing piece 22 to rotate.

[0019] The polishing device of the utility model embodiment, mounting piece 21 is directly or indirectly connected with polishing disc 11 and can move along the radial direction of polishing disc 11, and polishing piece 22 is directly or indirectly connected with mounting piece 21, therefore, when the pipe is inserted into the polishing device, mounting piece 21 can drive polishing piece 22 to move along the radial direction of polishing disc 11, thereby reducing the obstruction generated by polishing piece 22 to the pipe, so that the pipe wall can be more accurately contacted with polishing piece 22, thereby making the polished position of the pipe more accurate.

[0020] In addition, the polishing device further includes at least one pressing part 3, the pressing part 3 is located on the outer side of the polishing disc 11, the pressing part 3 includes telescopic piece 31 and rotating piece 32, the rotating piece 32 is directly or indirectly connected with the telescopic piece 31, the telescopic piece 31 can drive the rotating piece 32 to move along the radial direction of the polishing disc 11, and the rotating piece 32 can abut against the outer wall of the mounting piece 21.

[0021] Specifically, as Figures 1-6 shown, the rotating part 1 includes the polishing disc 11, the polishing disc 11 is provided with at least one polishing part 2 on the top and can drive the polishing part 2 to rotate around the up-down direction. The polishing part 2 includes the mounting piece 21 and the polishing piece 22, the mounting piece 21 is slidingly connected on the top of the polishing disc 11 and can move along the radial direction of the polishing disc 11 relative to the polishing disc 11, the mounting piece 21 is provided with the polishing piece 22, preferably, the mounting piece 21 and the axis of the polishing disc 11 are arranged in the radial direction of the polishing disc 11, and the polishing piece 22 is arranged at one end of the mounting piece 21 towards the axis of the polishing disc 11. The position of the polishing piece 22 can be adjusted by moving the mounting piece 21, so that the polishing piece 22 can abut against the pipe body and polish the pipe body, and the polishing piece 22 can be cloth, sandpaper, grinding stone, etc., preferably, the polishing piece 22 is a scouring pad.

[0022] The outer side of the polishing disc 11 is provided with at least one pressing part 3. The pressing part 3 comprises an extension piece 31 and a rotating piece 32, the extension piece 31 is provided with the rotating piece 32 at one end of the corresponding mounting piece 21, the rotating piece 32 is rotatable relative to the extension piece 31 in the vertical direction, and the extension piece 31 is movable along the radial direction of the polishing disc 11, so that the rotating piece 32 can abut against the outer wall of the mounting piece 21 and further push the mounting piece 21 to move along the radial direction of the rotating part 1, thereby adjusting the position of the polishing piece 22. When the polishing disc 11 rotates, the mounting piece 21 rotates synchronously with the polishing disc 11 and applies a friction force to the abutting rotating piece 32, so that the rotating piece 32 rotates accordingly. The extension piece 31 can be a linear drive module, a telescopic cylinder or the like, and is preferably a telescopic cylinder. The rotating piece 32 can be a bearing, a roller, a ball or the like, and is preferably a bearing.

[0023] Preferably, the polishing disc 11 and the extension piece 31 of the pressing part 3 are arranged on the top of the rack 8, and the rack 8 comprises a main rack body 81 and a sub-rack body 82, the main rack body 81 is provided with the polishing disc 11 and the sub-rack body 82 arranged at intervals, the polishing disc 11 is horizontally arranged on the top of the main rack body 81 and is rotatable relative to the main rack body 81 about the axial direction of the polishing disc 11, and the polishing disc 11 is preferably circular, and the sub-rack body 82 is provided with the extension piece 31 at one end thereof facing the polishing disc 11.

[0024] The polishing device of the embodiment of the utility model, the polishing disc 11 of the rotating part 1 drives the polishing part 2 to rotate, so that the polishing piece 22 of the polishing part 2 polishes the pipe fitting. The extension piece 31 of the pressing part 3 drives the rotating piece 32 to move along the radial direction of the polishing disc 11, so that the rotating piece 32 can abut against the mounting piece 21 and drive the mounting piece 21 to move along the radial direction of the polishing disc 11, thereby adjusting the position of the polishing piece 22 along the radial direction of the polishing disc 11, so that the position of the polishing piece 22 can accurately cooperate with the position of the pipe fitting, on the one hand, the pipe fitting is conveniently inserted into the polishing device, and the polishing piece 22 does not hinder the pipe fitting, on the other hand, the polishing device is suitable for pipe fittings of various sizes and models. At the same time, since the extension piece 31 abuts against the outer wall of the mounting piece 21 through the rotating piece 32, when the polishing part rotates, the rotating piece 32 rotates under the friction of the mounting piece 21, so that the mounting piece 21 and the pressing part 3 are not damaged due to sliding friction.

[0025] In some embodiments, the number of polishing parts 2 is at least two, and the at least two polishing parts 2 are arranged at intervals. The mounting piece 21 comprises an arc-shaped plate 211, the arc-shaped plate 211 is located on the side of the mounting piece 21 facing the rotating piece 32, and the at least two arc-shaped plates 211 can be in contact and connected to form a circular ring. When the polishing disc 11 rotates, the at least one pressing part 3 abuts against the arc-shaped plate 211.

[0026] As Figure 1 , Figure 2 and Figure 5As shown, the polishing disc 11 is provided with two polishing portions 2, which are arranged in the left-right direction and can be relatively close and relatively far apart. The pipe body is arranged between the polishing members 22 of the two polishing portions 2 to be polished by the two polishing members 22 at the same time. Specifically, first, the two polishing portions 2 are relatively far apart to facilitate the insertion of the pipe body between the polishing members 22 of the two polishing portions 2, and then the two polishing portions 2 are relatively close and the polishing members 22 abut the pipe body to polish the pipe body. After the pipe body is polished, the two polishing portions 2 are again relatively far apart to facilitate the removal of the pipe body.

[0027] Meanwhile, the distance between the polishing members 22 of the two polishing portions 2 can be controlled by the movement distance of the two mounting members 21 to adapt to pipe bodies of different diameters. It can be understood that in other embodiments, the polishing portion 2 can also be provided as two or more, and the two or more polishing portions 2 are arranged in the up-down direction.

[0028] The mounting member 21 includes an arc-shaped plate 211 extending in the circumferential direction of the polishing disc 11, and the arc-shaped plate 211 is located on the side of the mounting member 21 away from the axis of the polishing disc 11. By moving the two mounting members 21, the arc-shaped plates 211 of the two mounting members 21 can be brought into contact and connected into a circular ring. Preferably, the arc-shaped plates 211 of the two mounting members 21 are each a semicircular arc. When the polishing disc 11 rotates, at least one pressing portion 3 abuts the arc-shaped plate 211, and specifically, the rotating member 32 of the pressing portion 3 abuts the outer circumferential surface of the arc-shaped plate 211. The pressing portion 3 cooperates with the arc-shaped plate 211 to maintain the positions of the mounting member 21 and the polishing member 22 during the rotation of the polishing disc 11.

[0029] It can be understood that the mounting member is not limited to having an arc-shaped plate, and in other embodiments, the polishing portion is provided with only one, at which time the mounting member includes a ring-shaped plate, or the mounting member is provided in a cylindrical or columnar shape, and the pressing portion abuts the ring-shaped plate or the cylindrical or columnar mounting member.

[0030] Further, the pressing portion 3 is at least two, and the at least two pressing portions 3 are arranged in the circumferential direction of the polishing disc 11. Preferably, the pressing portion 3 is two, the main frame body 81 is provided with two sub-frame bodies 82, the two sub-frame bodies 82 are arranged in the left-right direction, and the polishing disc 11 is located between the two sub-frame bodies 82. Each sub-frame body 82 is provided with a corresponding telescopic member 31 at one end thereof facing the polishing disc 11.

[0031] In some embodiments, the mounting member 21 can be moved between a first position and a second position of the polishing disc 11, and the first position is located on the side of the second position toward the axis of the polishing disc 11. In the first position, the arc-shaped plates 211 of the at least two mounting members 21 are in contact and connected into a circular ring, and in the second position, the arc-shaped plates 211 of the at least two mounting members 21 are arranged in the circumferential direction of the polishing disc 11.

[0032] As shown in Figure 1 and Figure 2 , the mounting member 21 moves along the radial direction of the polishing disc 11 between a first position and a second position, the first position being located on the side of the second position towards the axis of the polishing disc 11. As shown in Figure 1 , the mounting member 21 is located at the first position, at this time, the arc-shaped plates 211 of the two mounting members 21 are in contact and connected as a circular ring, the polishing disc 11 can rotate to perform polishing work, in the process of rotation of the polishing disc 11, the rotating members 32 of the two pressing parts 3 cyclically pass through the arc-shaped plates 211 of the two mounting members 21, so that the arc-shaped plates 211 of the mounting member 21 rotate, the rotating members 32 of the two pressing parts 3 alternately abut to stably maintain the mounting member 21 at the first position, while ensuring that the rotating members 32 can pass smoothly between the two arc-shaped plates 211, avoiding vibration of the rotating members 32 when passing between the two arc-shaped plates 211.

[0033] As shown in Figure 2 , the mounting member 21 is located at the second position, at this time, the arc-shaped plates 211 of the two mounting members 21 are arranged in a spaced manner along the circumferential direction of the polishing disc 11, the polishing disc 11 is stationary, at this time, the polished pipe body is taken out from between the two polishing members 22, and the pipe body to be polished is inserted between the two polishing members 22.

[0034] It can be understood that in the first position, the at least two arc-shaped plates are not limited to being connected as a circular ring, in other embodiments, in the first position, the at least two arc-shaped plates are arranged in a spaced manner along the circumferential direction of the rotating part, the pressing part includes a plurality of rotating members, the plurality of rotating members are arranged in a spaced manner along the circumferential direction of the arc-shaped plate, when one of the rotating members of the pressing part is located between the adjacent two arc-shaped plates, the other rotating members are in abutment with the corresponding arc-shaped plates.

[0035] In some embodiments, the polishing device further comprises a sliding member 4, the sliding member 4 is arranged on the side of the polishing disc 11 towards the mounting member 21. The mounting member 21 comprises a mounting seat 212, the mounting seat 212 is connected with the sliding member 4. As shown in Figure 1 and Figure 2 , the sliding member 4 is connected between the mounting member 21 and the polishing disc 11, specifically, the top of the polishing disc 11 is provided with the sliding member 4, the sliding member 4 is two sliding members 4 corresponding to the mounting member 21, the two sliding members 4 are arranged in a spaced manner along the left-right direction, and the sliding member 4 extends along the radial direction of the polishing disc 11.

[0036] The mounting member 21 further comprises a mounting base 212 extending in the vertical direction, the bottom of the mounting base 212 is connected with the sliding member 4 to move along the radial direction of the polishing disc 11. Preferably, the end of the mounting base 212 away from the axis of the polishing disc 11 is provided with an arc-shaped plate 211, since the arc-shaped plate 211 is a semicircular arc extending along the circumferential direction of the polishing disc 11, the mounting base 212 is located in the space surrounded by the arc-shaped plate 211. The other end of the mounting base 212 towards the axis of the polishing disc 11 is provided with the polishing member 22, in the horizontal projection plane, the projection of the polishing member 22 is located in the projection of the space surrounded by the arc-shaped plate 211, preferably, the polishing member 22 is arranged at the top of the mounting base 212.

[0037] It can be understood that the polishing device is not limited to having the sliding member, in other embodiments, the top surface of the rotating part is provided with a sliding groove extending along the radial direction of the rotating part, the bottom of the mounting base is arranged in the sliding groove and can slide along the extending direction of the sliding groove.

[0038] In some embodiments, the mounting member 21 further comprises an adjusting block 213 arranged on the mounting base 212, the adjusting block 213 can move along the radial direction of the polishing disc 11 relative to the mounting base 212, and the polishing member 22 is directly connected with the adjusting block 213.

[0039] As shown in FIG. 1, the mounting member 21 further comprises an adjusting block 213 arranged on the top of the mounting base 212 and can move along the radial direction of the polishing disc 11 relative to the mounting base 212, and the polishing member 22 is arranged at the end of the adjusting block 213 towards the axis of the polishing disc 11. Figure 2

[0040] The adjusting block 213 comprises a connecting end, an abutting part and a bearing end arranged in sequence along the left-right direction, the abutting part extends in the vertical direction, the bottom end of the abutting part is connected with the bearing end extending towards the axis of the polishing disc 11, and the top end of the abutting part is connected with the connecting end extending away from the axis of the polishing disc 11.

[0041] The bearing end is connected with and bears the polishing member 22, and the abutting part at least abuts against the polishing member 22 when the polishing member 22 polishes the pipe body to maintain the posture and position of the polishing member 22 and ensure the polishing effect of the polishing member 22.

[0042] The connecting end is provided with a strip-shaped hole extending along the radial direction of the polishing disc 11, the strip-shaped hole penetrates through the connecting end in the vertical direction, for example, a connecting member such as a bolt is arranged in the strip-shaped hole and is detachably connected with the top pipe of the mounting base 212, by adjusting the position of the connecting member in the strip-shaped hole, the position of the adjusting block 213 relative to the mounting base 212 can be adjusted, so as to adjust the distance between the two polishing members 22 in the first position to adapt to the polishing of pipe bodies with various diameters.

[0043] ​Preferably, the top surface of the mounting seat 212 is provided with a limiting groove which extends through the mounting seat 212 along the radial direction of the polishing disc 11, and the connecting end is embedded in the limiting groove to limit and fix the connecting end, and to guide the adjusting block 213 when the adjusting block 213 is adjusted.

[0044] In some embodiments, the sliding member 4 comprises a sliding rail 41 and a sliding block 42, the length direction of the sliding rail 41 extends along the radial direction of the polishing disc 11, and the sliding block 42 is in sliding connection with the sliding rail 41, and the mounting seat 212 is connected with the sliding block 42.

[0045] As shown in Figure 2 , the sliding member 4 comprises a sliding rail 41 and a sliding block 42, the length direction of the sliding rail 41 extends along the radial direction of the polishing disc 11, and the sliding block 42 is provided on the sliding rail 41 and in sliding connection with the sliding rail 41, the top of the sliding block 42 is provided with a mounting groove, and the bottom of the mounting seat 212 is provided in the mounting groove and connected with the sliding block 42 through a connecting member, so that the mounting seat 212 can move along the radial direction relative to the polishing disc 11 through the sliding rail 41 and the sliding block 42. It can be understood that the sliding member is not limited to comprising a sliding rail and a sliding block, and in other embodiments, the sliding member is a sliding screw.

[0046] In some embodiments, the polishing device further comprises a reset part 5, the reset part 5 comprises a fixing seat 51 and an elastic member 52, the fixing seat 51 is arranged on the polishing disc 11, and the fixing seat 51 is located on the side of the mounting member 21 away from the polishing member 22, and the elastic member 52 is connected between the fixing seat 51 and the mounting member 21, and the elastic member 52 can drive the mounting member 21 to move towards the side of the fixing seat 51.

[0047] As shown in Figure 2 , the polishing device further comprises a reset part 5, the reset part 5 is arranged on the polishing disc 11 and is arranged in one-to-one correspondence with the polishing part 2 to drive the polishing part 2 to move away from the axis of the polishing disc 11. Specifically, the reset part 5 comprises a fixing seat 51 and an elastic member 52, the fixing seat 51 is arranged on the top of the polishing disc 11 and located on the side of the corresponding mounting member 21 away from the polishing member 22, the elastic member 52 extends along the radial direction of the polishing disc 11 and is connected between the fixing seat 51 and the corresponding mounting member 21 to drive the mounting member 21 to move towards the side of the fixing seat 51, in other words, when the stretching member 31 drives the rotating member 32 to move away from the axis of the polishing disc 11, the mounting member 21 is driven by the elastic member 52 to move from the first position to the second position. The elastic member 52 can be a spring, a rubber strip or the like, and is preferably a spring.

[0048] Furthermore, the fixing seat 51 is located on the side of the corresponding slide rail 41 away from the grinding part 22, and the top of the fixing seat 51 is higher than the top of the slide rail 41, so that the fixing seat 51 can limit the slider 42. On the one hand, it can prevent the slider 42 from leaving the slide rail 41, and on the other hand, by limiting the slider 42, it can also limit the mounting part 21 and the grinding part 22.

[0049] It is understood that the structure of the reset part is not limited to including a fixed seat and an elastic member. In some other embodiments, the outer peripheral surface of the arc plate is provided with a groove extending along its circumference. In the first position, the grooves of at least two arc plates are connected in sequence to form an annular shape. The end of the telescopic member is provided with a snap-fit ​​member. The snap-fit ​​member snaps into the groove of the arc plate and can slide along the extension direction of the groove. When the telescopic member retracts, the snap-fit ​​member drives the arc plate to move away from the axis of the rotating part.

[0050] In some embodiments, the rotating part 1 further includes a pneumatic motor 12, a drive gear 13 and a driven gear 14. The drive gear 13 is connected to the output end of the pneumatic motor 12, the driven gear 14 is connected to the grinding disc 11, and the driven gear 14 meshes with the drive gear 13.

[0051] like Figure 1 , Figure 3 and Figure 4 As shown, the rotating part 1 also includes a pneumatic motor 12, a driving gear 13, and a driven gear 14. The grinding disc 11 is horizontally mounted on the top of the main frame 81 and can rotate about the axial direction of the grinding disc 11 relative to the main frame 81. The driven gear 14 is coaxially mounted on the bottom of the grinding disc 11. Preferably, the main frame 81 is provided with a base flange, and the base flange is connected to the driven gear 14 through a thrust ball bearing, so that the driven gear 14 and the grinding disc 11 can rotate about the vertical direction.

[0052] A pneumatic motor 12 is mounted on the top of the main frame 81 via a support plate. The pneumatic motor 12 is connected to a drive gear 13, which is preferably located above the support plate. The drive gear 13 meshes with a driven gear 14. The pneumatic motor 12 drives the drive gear 13 to rotate vertically. The drive gear 13 and driven gear 14 are connected in a transmission relationship to drive the grinding disc 11 to rotate vertically, thereby achieving the grinding action. Preferably, the base flange has a clearance to avoid interference with the drive gear 13. Preferably, a foot switch is provided at the bottom of the main frame 81, which is electrically connected to the pneumatic motor 12 to control the opening and closing of the pneumatic motor 12 and the telescopic member 31. It is understood that the rotating part is not limited to including a drive gear and a driven gear; in other embodiments, the pneumatic motor is directly connected to the grinding disc.

[0053] In some embodiments, the pressure applying part 3 further comprises a support frame 33, the support frame 33 is connected to the telescopic member 31 and the rotating member 32, the number of the rotating member 32 is plural, the plural rotating members 32 are arranged along the circumference of the polishing disc 11 on the support frame 33, and the rotating member 32 can rotate coaxially with the polishing disc 11.

[0054] As shown in Figure 1 and Figure 5 , the pressure applying part 3 further comprises a support frame 33, the support frame 33 is arranged at one end of the telescopic member 31 towards the arc-shaped plate 211, and can move along the radial direction of the polishing disc 11 under the driving of the telescopic member 31, the support frame 33 is provided with plural rotating members 32, the plural rotating members 32 are arranged along the circumference of the arc-shaped plate 211, and each rotating member 32 can rotate relative to the support frame 33 in the vertical direction.

[0055] Preferably, the support frame 33 is provided with three rotating members 32, the support frame 33 comprises a main rod body extending along the direction perpendicular to the telescopic direction of the telescopic member 31, a middle part of the main rod body extending direction is provided with one rotating member 32, the support frame 33 further comprises a secondary rod body, the two ends of the main rod body extending direction are respectively provided with a secondary rod body, the secondary rod body extends along the telescopic direction of the telescopic member 31, and away from the telescopic member 31 along the main rod body, and the end of each secondary rod body away from the telescopic member 31 is provided with a rotating member 32.

[0056] The plural rotating members 32 uniformly apply pressure on the arc-shaped plate 211, which on one hand ensures the polishing part 2 to be stable during the rotating polishing, and on the other hand avoids the situation that the polishing part 2 deviates when the pressure applying part 3 applies pressure on the polishing part 2. Meanwhile, the plural rotating members 32 are arranged along the circumference of the arc-shaped plate 211, and during the rotating polishing, the arc-shaped plate 211 can be abutted by at least one rotating member 32.

[0057] In some embodiments, the polishing device further comprises a collecting box 6 and a shell 7, the collecting box 6 is arranged on the polishing disc 11, and the collecting box 6 is located in the extension direction of the center line of the polishing disc 11, and the shell 7 is provided with a material insertion hole 71, the material insertion hole 71 is arranged opposite to the collecting box 6.

[0058] As shown in Figure 1 and Figure 6 , the top of the polishing disc 11 is provided with a collecting box 6, the collecting box 6 is located in the extension direction of the axis of the polishing disc 11, and the top of the collecting box 6 is open, when the pipe body is polished, the pipe body is located between the two polishing members 22, and at the same time, the pipe body and the polishing member 22 at least abutting the pipe body are located above the collecting box 6, and the debris generated during polishing falls down and is collected by the collecting box 6.

[0059] The top of the main frame body 81 is further provided with a shell 7 covering the top and outer periphery of the rotating part 1, the polishing part 2, the pressing part 3, the sliding part 4, the resetting part 5 and the collecting box 6. The top of the shell 7 is provided with a material inserting hole 71 opposite to the collecting box 6. A pipe body extends into the shell 7 through the material inserting hole 71 and is located between the two polishing parts 22, so as to limit the pipe body through the material inserting hole 71, so that the pipe body can be accurately moved between the two polishing parts 22 to avoid interference, and at the same time, it is ensured that the debris generated by polishing can fall into the collecting box 6. Further, in order to facilitate the placement of the pipe, the top of the main frame body 81 is provided with a workbench, and the shell 7 is arranged on the workbench.

[0060] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sharpening device characterized by, The polishing device comprises a rotating part (1) and at least one polishing part (2), the rotating part (1) comprises a polishing disc (11), the polishing part (2) comprises a mounting member (21) and a polishing member (22), the polishing member (22) is directly or indirectly connected with the mounting member (21), the mounting member (21) is in sliding connection with the polishing disc (11), and the mounting member (21) can move relative to the polishing disc (11) along the radial direction of the polishing disc (11), and the polishing disc (11) can drive the mounting member (21) and the polishing member (22) to rotate. The polishing device further comprises at least one pressing part (3), the pressing part (3) is located on the outer side of the polishing disc (11), the pressing part (3) comprises an expansion member (31) and a rotating member (32), the rotating member (32) is directly or indirectly connected with the expansion member (31), the expansion member (31) can drive the rotating member (32) to move along the radial direction of the polishing disc (11), and the rotating member (32) can abut against the outer wall of the mounting member (21).

2. The sharpening device of claim 1, wherein The number of the polishing parts (2) is at least two, and the at least two polishing parts (2) are arranged at intervals; the mounting member (21) comprises an arc-shaped plate (211), the arc-shaped plate (211) is located on the side of the mounting member (21) facing the rotating member (32), and the at least two arc-shaped plates (211) can be in contact and connected to form a circular ring; when the polishing disc (11) rotates, the at least one rotating member (32) abuts against the arc-shaped plate (211).

3. The sharpening device of claim 2, wherein, The mounting member (21) can move between a first position and a second position of the polishing disc (11), the first position is located on the side of the second position facing the axis of the polishing disc (11); in the first position, the arc-shaped plates (211) of the at least two mounting members (21) are in contact and connected to form a circular ring, and in the second position, the arc-shaped plates (211) of the at least two mounting members (21) are arranged at intervals along the circumferential direction of the polishing disc (11).

4. The sharpening device of claim 3, wherein, The polishing device further comprises a sliding member (4), the sliding member (4) is arranged on the side of the polishing disc (11) facing the mounting member (21); the mounting member (21) comprises a mounting seat (212), and the mounting seat (212) is connected with the sliding member (4).

5. The sharpening device of any one of claims 1-4, wherein, The mounting member (21) further comprises an adjusting block (213), the adjusting block (213) is arranged on the mounting seat (212), the adjusting block (213) can move relative to the mounting seat (212) along the radial direction of the polishing disc (11), and the polishing member (22) is directly connected with the adjusting block (213).

6. The sharpening device of claim 5, wherein, The sliding member (4) comprises a sliding rail (41) and a sliding block (42), the length direction of the sliding rail (41) extends along the radial direction of the polishing disc (11), the sliding block (42) is in sliding connection with the sliding rail (41), and the mounting seat (212) is connected with the sliding block (42).

7. The sharpening device of claim 5, wherein, ​ 8. The sharpening device of any one of claims 1-4 or 6-7, wherein, The polishing device further comprises a reset part (5), the reset part (5) comprises a fixing base (51) and an elastic member (52), the fixing base (51) is arranged on the polishing disc (11), and the fixing base (51) is located on the side of the mounting part (21) away from the polishing part (22), the elastic member (52) connects the fixing base (51) and the mounting part (21), and the elastic member (52) can drive the mounting part (21) to move towards the side of the fixing base (51).

9. The sharpening device of any one of claims 1-4 or 6-7, wherein, The rotating part (1) further comprises a pneumatic motor (12), a driving gear (13) and a driven gear (14), the driving gear (13) is connected with the output end of the pneumatic motor (12), the driven gear (14) is connected with the polishing disc (11), and the driven gear (14) is engaged with the driving gear (13).

10. The sharpening device of any one of claims 2-4, wherein, The pressure applying part (3) further comprises a support frame (33), the support frame (33) connects the telescopic part (31) and the rotating part (32), the number of the rotating part (32) is plural, the plurality of rotating parts (32) are arranged on the support frame (33) in a circumferential direction of the polishing disc (11), and the rotating part (32) can rotate coaxially with the polishing disc (11).

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