阅读说明：本技术 一种用于清除锅炉管焊缝的倒角机 (Chamfering machine for removing boiler pipe welding seam ) 是由 吴洋 于 2021-09-03 设计创作，主要内容包括：本发明公开了一种用于清除锅炉管焊缝的倒角机,包括：驱动装置；旋转盘,所述旋转盘可绕自身轴线旋转的配置于所述驱动装置的一侧,所述旋转盘被配置于受所述驱动装置驱动旋转；一对切削刀片,两个所述切削刀片对称配置于所述旋转盘远离所述驱动装置的一侧,所述切削刀片的内侧可与焊接块接触,以实现切削动作；定位柱,所述定位柱固定配置于所述旋转盘中部,其用于伸入锅炉管内,使得所述旋转盘轴线与锅炉管轴线重合。本发明中,通过在旋转盘上对称设置两个切削刀片,由于切削刀片的旋转轨迹为完整圆形,进而可将工整的切削焊接块,同时切削效率比较高。(The invention discloses a chamfering machine for removing a boiler tube weld joint, which comprises: a drive device; a rotating disk, which is arranged on one side of the driving device and can rotate around the axis of the rotating disk, and the rotating disk is arranged to be driven by the driving device to rotate; the two cutting blades are symmetrically arranged on one side of the rotating disc, which is far away from the driving device, and the inner sides of the cutting blades can be contacted with the welding block so as to realize cutting action; and the positioning column is fixedly arranged in the middle of the rotating disc and is used for extending into the boiler tube, so that the axis of the rotating disc is coincident with the axis of the boiler tube. According to the invention, the two cutting blades are symmetrically arranged on the rotating disk, and the rotating track of the cutting blades is a complete circle, so that a welding block can be accurately cut, and the cutting efficiency is high.)

1. A chamfering machine for removing a boiler tube weld, comprising: a drive device (1);

a rotating disc (4), wherein the rotating disc (4) can rotate around the axis of the rotating disc (4) and is arranged at one side of the driving device (1), and the rotating disc (4) is arranged to be driven by the driving device (1) to rotate;

a pair of cutting blades (5), two cutting blades (5) are symmetrically arranged on one side of the rotating disc (4) far away from the driving device (1), and the inner sides of the cutting blades (5) can be in contact with a welding block to realize cutting action;

the positioning column (3) is fixedly arranged in the middle of the rotating disc (4) and is used for extending into a boiler tube, so that the axis of the rotating disc (4) is coincident with the axis of the boiler tube;

the upper end of the cutting blade (5) is connected with the rotating disc (4) in a sliding way, and the feeding assembly can push the cutting blade (5) to slide towards the midpoint of the rotating disc (4) during the rotation of the rotating disc (4);

be provided with locating component on reference column (3), locating component is including adjusting structure and a pair of slider (17), slider (17) can be followed the reference column and radially slided, and the symmetry set up in reference column (3) both sides, adjust the structure and can when reference column (3) are rotatory, order about slider (17) to the reference column (3) outside slides.

2. The chamfering machine for removing boiler tube welds according to claim 1, characterized in that the driving device (1) includes a driving motor (11) and a mounting housing, the driving motor (11) is fixedly disposed inside the mounting housing, the rotating disk (4) is rotatably disposed on the mounting housing, and an output shaft of the driving motor (11) is coaxially and fixedly connected with the rotating disk (4).

3. The chamfering machine for removing boiler pipe welds according to claim 1, characterized in that a pair of sliding grooves (6) are opened on the rotating disk (4), the sliding grooves (6) extend along the radial direction of the rotating disk (4), a sliding seat (7) is slidably arranged in the sliding grooves (6), and the upper end of the cutting blade (5) is fixedly connected with the sliding seat (7).

4. The chamfering machine for removing boiler pipe welds according to claim 3, characterized in that the feed assembly includes a drive ring (8) and a driving structure, the drive ring (8) is disposed coaxially with the rotating disk (4) and can slide along its own axis, the outer side wall of the cutting blade (5) is disposed obliquely to form an inclined surface (9), the inclined surface (9) is in sliding contact with the inner side of the drive ring (8), there is a magnetic attraction force between the drive ring (8) and the cutting blade (5), and the driving structure can drive the drive ring (8) to move along its own axis.

5. The chamfering machine for removing boiler pipe welds according to claim 4, characterized in that the driving structure comprises a telescopic rod, the telescopic rod is parallel to the axis of the rotating disk (4), the upper end rotating disk (4) of the telescopic rod is fixedly connected, the lower end of the telescopic rod is connected with the driving ring (8), and the telescopic rod drives the driving ring (8) to move by self-expansion.

6. The chamfering machine for removing boiler pipe welds according to claim 5, characterized in that the driving structure further includes a driving chamber (12) and a pair of first counterweights (13) and a reset member, the driving chamber (12) is disposed in the rotating disk (4) and extends along the radial line of the rotating disk (4), two of the first counterweights (13) are symmetrically disposed in the driving chamber (12) and connected therebetween by an elastic member (14), the first counterweights (13) are in sliding sealing contact with the driving chamber (12), the middle portion of the driving chamber (12) is communicated with the outside, the telescopic rod includes a driving pipe (15) and a driving rod (16), the upper end of the driving pipe (15) is communicated with the outer end of the driving chamber (12), the driving rod (16) is in sealing insertion in the driving pipe (15), and the lower end is fixedly connected with the driving ring (8), the upper end of the inclined surface (9) is closer to the vertical distance of the positioning column (3).

7. The chamfering machine for removing boiler pipe welds according to claim 1, characterized in that a ball is embedded in the side of the slider (17) away from the positioning post (3).

8. The chamfering machine for removing the boiler pipe weld according to claim 1, characterized in that a sliding cavity is arranged on the positioning column (3), the sliding cavity extends along the radial direction of the positioning column (3) and penetrates through the positioning column (3), and the two sliding blocks (17) are symmetrically arranged at two ends of the sliding cavity in a sliding manner.

9. The chamfering machine for removing the welding seam of the boiler pipe according to claim 1, wherein the adjusting structure comprises a threaded rod (18) and a winding wheel (19) and a connecting wire (20) and a second balancing weight (21), one end of the two sliding blocks (17) close to each other is provided with a threaded groove, the threaded rod (18) is rotatably arranged in the threaded groove, the threaded rod (18) is of a double-end threaded structure, two ends of the threaded rod are respectively and threadedly mounted in the two threaded grooves, the winding wheel (19) is fixedly sleeved in the middle of the threaded rod (18), the positioning column (3) is further provided with a through cavity, the through cavity radially extends along the positioning column (3) and penetrates through the positioning column (3), the two second balancing weights (21) are symmetrically arranged in the through cavity, and the second balancing weights (21) are in sliding sealing contact with the inner wall of the through cavity, the lower end of the connecting wire (20) is wound on the winding wheel (19), the upper end of the connecting wire is forked and is connected with the two second balancing weights (21), the threaded rod (18) is further sleeved with a return spring (22), one end of the return spring (22) is fixedly connected with the threaded rod (18), and the other end of the return spring is fixedly connected with the inner wall of the sliding cavity.

Technical Field

The invention belongs to the technical field of chamfering machines, and particularly relates to a chamfering machine for removing a boiler pipe weld joint.

Background

In the production and processing of boiler or the in-process of examining and repairing the change pipe fitting, need with boiler pipe and steel sheet welded fastening, the welding piece can appear in the welding position of boiler pipe and steel sheet, and the shape size of welding piece is irregular, and the great or more outstanding welding piece of shape easily influences the use of boiler, and then needs polish to it.

In the prior art, an operator generally holds a polishing device by hand, and polishes welding blocks distributed on the periphery of a boiler tube by controlling the position of a polishing head in the polishing device. But manual control grinding device is difficult to accomplish accurate removal, and then is difficult to polish the welding piece into regular shape, polishes simultaneously and gets very low in efficiency.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a chamfering machine for removing a boiler tube weld joint.

The invention provides a chamfering machine for removing a boiler tube weld joint, which comprises: a drive device;

a rotating disk, which is arranged on one side of the driving device and can rotate around the axis of the rotating disk, and the rotating disk is arranged to be driven by the driving device to rotate;

the two cutting blades are symmetrically arranged on one side of the rotating disc, which is far away from the driving device, and the inner sides of the cutting blades can be contacted with the welding block so as to realize cutting action;

and the positioning column is fixedly arranged in the middle of the rotating disc and is used for extending into the boiler tube, so that the axis of the rotating disc is coincident with the axis of the boiler tube.

Preferably, the driving device comprises a driving motor and a mounting housing, the driving motor is fixedly arranged inside the mounting housing, the rotating disc is rotatably arranged on the mounting housing, and an output shaft of the driving motor is coaxially and fixedly connected with the rotating disc.

Preferably, the chamfering machine further comprises a feeding assembly, the upper end of the cutting blade is connected with the rotating disc in a sliding mode, and the feeding assembly can push the cutting blade to slide towards the middle point of the rotating disc during the rotation of the rotating disc.

Preferably, the rotating disc is provided with a pair of sliding grooves, the sliding grooves extend along the radial direction of the rotating disc, sliding seats are arranged in the sliding grooves in a sliding mode, and the upper end of the cutting blade is fixedly connected with the sliding seats.

Preferably, the feeding assembly comprises a driving ring and a driving structure, the driving ring and the rotating disk are coaxially arranged and can slide along the axis of the driving ring, the outer side wall of the cutting blade is obliquely arranged to form an inclined surface, the inclined surface is in sliding contact with the inner side of the driving ring, a magnetic attraction acting force is arranged between the driving ring and the cutting blade, and the driving structure can drive the driving ring to move along the axis of the driving ring.

Preferably, the driving structure comprises an expansion link, the expansion link is parallel to the axis of the rotating disc, the rotating disc at the upper end of the expansion link is fixedly connected, the lower end of the expansion link is connected with the driving ring, and the expansion link drives the driving ring to move through self expansion and contraction.

Preferably, the drive structure still includes drive chamber and a pair of first balancing weight and the piece that resets, the drive chamber set up in the rotary disk, and follow the rotary disk radial line extends, two first balancing weight symmetry set up in the drive intracavity, and connect through the elastic component between the two, first balancing weight with drive chamber sliding seal contacts, drive chamber middle part and outside intercommunication, the telescopic link includes driving tube and actuating lever, the driving tube upper end with drive chamber outer end intercommunication, the actuating lever seal peg graft in the driving tube, and the lower extreme with drive ring fixed connection, the upper end on inclined plane with the vertical distance of reference column is nearer.

Preferably, the positioning column is provided with a positioning assembly, the positioning assembly comprises a pair of sliding blocks, the sliding blocks are symmetrically arranged on two sides of the positioning column, and a ball is embedded in one side, away from the positioning column, of each sliding block.

Preferably, the locating component still includes the regulation structure, be provided with smooth chamber on the reference column, smooth chamber is followed the reference column radially extends, and link up the reference column, two the slider symmetry slide set up in smooth chamber both ends, the regulation structure can when the reference column is rotatory, order about the slider to the reference column outside slides.

Preferably, the adjusting structure comprises a threaded rod, a winding wheel, a connecting wire and a second balancing weight, a threaded groove is formed in one end, close to each other, of each of the two sliding blocks, the threaded rod is rotatably arranged in the sliding cavity and is of a double-end threaded structure, two ends of the threaded rod are respectively in the two threaded grooves, the winding wheel is fixedly sleeved in the middle of the threaded rod, a through cavity is further formed in the positioning column and extends along the radial direction of the positioning column and penetrates through the positioning column, the two second balancing weights are symmetrically arranged in the through cavity and are in sliding sealing contact with the inner wall of the through cavity, the lower end of the connecting wire is wound on the winding wheel, upper branches of the connecting wire are respectively connected with the two second balancing weights, a return spring is further sleeved on the threaded rod, and one end of the return spring is fixedly connected with the threaded rod, the other end is fixedly connected with the inner wall of the sliding cavity.

Compared with the prior art, the invention has the beneficial effects that:

1. the two cutting blades are symmetrically arranged on the rotating disc, and the rotating track of the cutting blades is complete circular, so that a welding block can be cut neatly, and the cutting efficiency is high;

2. through setting up the feeding subassembly, realize the feeding action of cutting blade in cutting process, when the cutting welding piece, the cutting blade gradually moves to the inboard to cut away the welding piece of certain thickness.

3. When the positioning column rotates, the adjusting structure drives the sliding block to slide towards the outer side of the positioning column until the ball abuts against the inner wall of the boiler pipe, and therefore the chamfering machine can be suitable for boiler pipes of different sizes within a certain range.

Drawings

FIG. 1 is a schematic perspective view of a chamfering machine for removing a weld of a boiler tube according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic plan view of the chamfering machine for removing the weld of the boiler tube according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is a schematic structural view of a positioning column of the chamfering machine for removing the weld of the boiler tube according to the present invention.

In the figure: the device comprises a driving device 1, a dustproof sleeve 2, a positioning column 3, a rotating disk 4, a cutting blade 5, a sliding groove 6, a sliding seat 7, a driving ring 8, an inclined plane 9, a limiting rod 10, a driving motor 11, a driving cavity 12, a first balancing weight 13, an elastic part 14, a driving tube 15, a driving rod 16, a sliding block 17, a threaded rod 18, a winding wheel 19, a connecting wire 20, a second balancing weight 21 and a return spring 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, a chamfering machine for removing a weld of a boiler tube includes: a drive device 1; a rotary plate 4, the rotary plate 4 being disposed on one side of the driving device 1 so as to be rotatable about its own axis, the rotary plate 4 being disposed so as to be driven to rotate by the driving device 1; a pair of cutting blades 5, two cutting blades 5 are symmetrically arranged on one side of the rotating disc 4 far away from the driving device 1, and the inner sides of the cutting blades 5 can be contacted with a welding block to realize cutting action; and the positioning column 3 is fixedly arranged in the middle of the rotating disc 4 and used for extending into the boiler tube, so that the axis of the rotating disc 4 is superposed with the axis of the boiler tube.

In the embodiment applying the technical scheme, when the positioning device is used, the positioning column 3 extends into a boiler tube, so that the axis of the rotating disc 4 is consistent with the axis of the boiler tube, then the driving device 1 is started, the driving device 1 drives the rotating disc 4 to rotate, then the two cutting blades 5 are driven to symmetrically rotate around the axis of the rotating disc 4, and the inner sides of the two cutting blades 5 cut a welding block adhered to the peripheral side of the boiler tube; because the rotating track of the cutting blade 5 is a complete circle, the welding block can be cut neatly, and the cutting efficiency is high.

In the preferred technical solution in this embodiment, the driving device 1 includes a driving motor 11 and an installation housing, the driving motor 11 is fixedly disposed inside the installation housing, the rotating disk 4 is rotatably disposed on the installation housing, and an output shaft of the driving motor 11 is coaxially and fixedly connected with the rotating disk 4; specifically, the rotary disk 4 is driven to rotate at a high speed by the driving motor 11, so as to realize the cutting action of the cutting blade 5.

In the preferable technical scheme of the embodiment, the chamfering machine further comprises a feeding assembly, the upper end of the cutting blade 5 is connected with the rotating disc 4 in a sliding manner, and the feeding assembly can push the cutting blade 5 to slide towards the midpoint of the rotating disc 4 in the rotating process of the rotating disc 4; in the specific embodiment, the feeding assembly is arranged to realize the feeding action of the cutting blade 5 in the cutting process, and when a welding block is cut, the cutting blade 5 gradually moves inwards, so that the welding block with a certain thickness is cut.

According to the specific technical scheme in the embodiment, a pair of sliding grooves 6 are formed in a rotating disc 4, the sliding grooves 6 extend along the radial direction of the rotating disc 4, sliding seats 7 are arranged in the sliding grooves 6 in a sliding mode, and the upper ends of cutting blades 5 are fixedly connected with the sliding seats 7; in particular, by providing a sliding slot 6 cooperating with a slide 7, a sliding connection between the cutting blade 5 and the rotary disk 4 is achieved.

In the preferred technical scheme of the embodiment, the feeding assembly comprises a driving ring 8 and a driving structure, the driving ring 8 and the rotating disk 4 are coaxially arranged and can slide along the axis of the driving ring 8, the outer side wall of the cutting blade 5 is obliquely arranged to form an inclined surface 9, the inclined surface 9 is in sliding contact with the inner side of the driving ring 8, a magnetic attraction acting force is arranged between the driving ring 8 and the cutting blade 5, and the driving structure can drive the driving ring 8 to move along the axis of the driving ring 8; in the specific embodiment, in the initial state, the driving ring 8 is located at one end of the inclined surface 9, which is closer to the vertical distance of the positioning column 3, and in the using process, the driving ring 8 is driven by the driving mechanism to move to the other end of the inclined surface 9, so that the two cutting blades 5 slide inwards synchronously, the feeding action of the cutting blades 5 is realized, after the cutting is completed, the driving ring 8 resets through magnetic attraction acting force, and meanwhile, the cutting blades 5 slide outwards and reset, wherein the cutting blades 5 are generally made of metal, and the driving ring 8 is made of magnetic material, so that the magnetic attraction acting force exists between the two.

In the preferred technical scheme of the embodiment, the driving structure comprises an expansion link, the expansion link is parallel to the axis of the rotating disk 4, the rotating disk 4 at the upper end of the expansion link is fixedly connected, the lower end of the expansion link is connected with the driving ring 8, and the expansion link drives the driving ring 8 to move through self expansion and contraction; specifically, the telescopic rod can be an electric telescopic rod, and the telescopic rod can control the driving ring 8 to move along the axis of the telescopic rod.

In the preferred technical scheme of this embodiment, the driving structure further includes a driving cavity 12, a pair of first balancing weights 13 and a reset member, the driving cavity 12 is disposed in the rotating disk 4 and extends along the radial line of the rotating disk 4, the two first balancing weights 13 are symmetrically disposed in the driving cavity 12 and are connected with each other through an elastic member 14, the first balancing weights 13 are in sliding sealing contact with the driving cavity 12, the middle of the driving cavity 12 is communicated with the outside, the telescopic rod includes a driving tube 15 and a driving rod 16, the upper end of the driving tube 15 is communicated with the outer end of the driving cavity 12, the driving rod 16 is inserted in the driving tube 15 in a sealing manner, the lower end of the driving tube is fixedly connected with the driving ring 8, and the vertical distance between the upper end of the inclined plane 9 and the positioning column 3 is closer; in the specific embodiment, when the rotating disc 4 is stationary, under the action of the elastic member 14, the two first counter weight blocks 13 are at initial positions, at this time, the telescopic rod is in a contracted state, the driving ring 8 is at the upper end position of the inclined surface 9, when the rotating disc 4 rotates at a high speed in a working process, due to centrifugal force, the two first counter weight blocks 13 have a tendency of being away from each other, and further, in the air machine driving pipes 15 at the two ends of the driving cavity 12, more driving rods 16 are pushed out, so that the driving ring 8 has a downward movement tendency, by extruding the inclined surface 9, the cutting blade 5 has a tendency of moving towards the position column 3, and further, in a polishing process, the inner side of the cutting blade 5 is always in close contact with a welding surface, and the welding block is gradually polished from an outer layer to an inner layer; the elastic member 14 may be a linear spring or an elastic string.

In an optional technical scheme in this embodiment, the driving structure further includes a limiting rod 10, the limiting rod 10 is parallel to the telescopic rod, a sliding opening is formed in the outer side of the driving ring 8, the limiting rod 10 is slidably disposed in the sliding opening, and the upper end of the limiting rod is fixedly connected with the rotating disk 4; specifically, the limiting rod 10 can improve the moving stability of the driving ring 8, and meanwhile, the limiting rod 10 can enable the rotating disk 4 and the driving ring 8 to rotate synchronously, so that the radial stress of the telescopic rod is greatly reduced.

According to the preferable technical scheme of the embodiment, the positioning column 3 is provided with a positioning assembly, the positioning assembly comprises a pair of sliding blocks 17, the sliding blocks 17 are symmetrically arranged on two sides of the positioning column 3, and a ball is embedded in one side, away from the positioning column 3, of each sliding block 17; specifically, when the positioning column 3 extends into the boiler pipe, the balls on the two sides are in rolling contact with the inner wall of the boiler pipe, so that the resistance of the positioning column 3 during rotation can be greatly reduced.

According to the preferable technical scheme in the embodiment, the positioning assembly further comprises an adjusting structure, a sliding cavity is formed in the positioning column 3, the sliding cavity extends along the radial direction of the positioning column 3 and penetrates through the positioning column 3, the two sliding blocks 17 are symmetrically arranged at two ends of the sliding cavity in a sliding mode, and the adjusting structure can drive the sliding blocks 17 to slide towards the outer side of the positioning column 3 when the positioning column 3 rotates; when the locating column 3 does not rotate, the sliding block 17 is located at an initial position, when the locating column 3 rotates, the adjusting structure drives the sliding block 17 to slide towards the outer side of the locating column 3 until the ball supports against the inner wall of the boiler pipe, and therefore the chamfering machine can be suitable for boiler pipes of different sizes within a certain range.

In the preferred technical solution of this embodiment, the adjusting structure includes a threaded rod 18, a winding wheel 19, a connecting wire 20 and a second balancing weight 21, a threaded groove is provided at one end of the two sliding blocks 17 close to each other, the threaded rod 18 is rotatably disposed in the sliding cavity, the threaded rod 18 is a double-thread structure, two ends of the threaded rod are respectively installed in two thread grooves in a threaded manner, the winding wheel 19 is fixedly sleeved in the middle of the threaded rod 18, the positioning column 3 is also provided with a through cavity which extends along the radial direction of the positioning column 3, the positioning column 3 is penetrated, the two second balancing weights 21 are symmetrically arranged in the through cavity, the second balancing weights 21 are in sliding sealing contact with the inner wall of the through cavity, the lower end of the connecting wire 20 is wound on the winding wheel 19, the upper end of the connecting wire is forked and is respectively connected with the two second balancing weights 21, the threaded rod 18 is further sleeved with a return spring 22, one end of the return spring 22 is fixedly connected with the threaded rod 18, and the other end of the return spring 22 is fixedly connected with the inner wall of the sliding cavity; in specific embodiment, when the positioning column 3 is rotatory, because two second balancing weights 21 of centrifugal force keep away from each other, thereby it is rotatory to drive threaded rod 18 through connecting wire 20, and then make two sliders 17 slide to the outside, until the ball supports boiler tube inner wall, wherein because threaded connection has the auto-lock effect, only threaded rod 18 is rotatory to order about slider 17 to remove, slider 17 self direct atress can't remove, so slider 17's position only receives second balancing weight 21 position determination, thereby can make positioning column 3 remain the unanimity with boiler tube axis all the time at the during operation, even the beveler has received horizontal external force, whole machinery can not squint yet, because this effort can't change slider 17's position, when positioning column 3 stops rotatory, at the effort of return spring 22, threaded rod 18 resets and circles round.

In the preferred technical scheme of this embodiment, the chamfering machine further includes a dust-proof sleeve 2, and the dust-proof sleeve 2 is disposed outside the rotating disk 4 and fixedly connected with the mounting housing.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.