CN218799593U

CN218799593U - Device for removing burrs in pipe orifice of circular pipe

Info

Publication number: CN218799593U
Application number: CN202223269045.8U
Authority: CN
Inventors: 余金林
Original assignee: Wuhan Feituoke Industry Co ltd
Current assignee: Wuhan Feituoke Industry Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-04-07
Anticipated expiration: 2032-12-02

Abstract

The utility model provides a pipe mouth of pipe inner burr remove device, include cutter unit, centre gripping subassembly, compress tightly the subassembly, cutter unit includes three sword chamfer cutters, first guide pin bushing, the centre gripping subassembly includes second guide pin bushing, handle, it includes briquetting, depression bar seat to compress tightly the subassembly, three sword chamfer cutters set up in the first guide pin bushing, first guide pin bushing is connected in the second guide pin bushing, the second guide pin bushing is connected on the handle, the briquetting sets up movably in the second guide pin bushing, the depression bar seat is fixed on the second guide pin bushing, the depression bar connection is in on the depression bar seat, the depression bar can radially press down the briquetting works as the depression bar is radially pushed down during the briquetting, the briquetting compresses tightly treats the pipe. The utility model discloses simple structure, convenient operation, it is light and handy portable, be fit for field operation. And the electric drill is adopted for driving, so that the working efficiency is improved, and the labor intensity is reduced.

Description

Device for removing burrs in pipe orifice of circular pipe

Technical Field

The utility model belongs to pipe burring field, concretely relates to burr remove device in pipe mouth of pipe.

Background

In the field installation work of the fluid control device, there is often an operation of cutting a metal round pipe (precision carbon steel pipe, stainless steel pipe, copper pipe, etc.). Whether cut by a pipe cutter or a saw, burrs inevitably occur on the inner side of the pipe orifice. The existing pipe orifice deburring tool mainly comprises a manual deburring tool and an electric deburring tool, wherein the manual deburring tool needs an operator to exert large wrist force, long-time operation easily causes wrist fatigue, burrs are not removed in place, and the like; most of electric deburring tools are heavy in structure, inconvenient to move, complex in structure and difficult to operate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a burr remove device in pipe orifice of pipe has solved the manual burring instrument that proposes among the background art and has caused wrist fatigue, burr to get rid of not in place easily, and electronic burring instrument is heavy, be not convenient for remove, the difficult technical problem of operation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a burr remove device in pipe mouth of pipe, includes cutter unit, centre gripping subassembly, compresses tightly the subassembly, cutter unit includes three sword chamfer cutters, first guide pin bushing, the centre gripping subassembly includes second guide pin bushing, handle, it includes briquetting, depression bar seat to compress tightly the subassembly, three sword chamfer cutters set up in the first guide pin bushing, first guide pin bushing is connected in the second guide pin bushing, the second guide pin bushing is connected on the handle, the briquetting sets up movably in the second guide pin bushing, the depression bar seat is fixed on the second guide pin bushing, the depression bar connection be in on the depression bar seat, the depression bar can radially press down the briquetting, works as the depression bar radially pushes down during the briquetting, the briquetting compresses tightly treats the burring pipe.

Preferably, a fixing ring is arranged on the three-edge chamfering tool and abutted against the inner end part of the first guide sleeve, and an O-shaped ring is arranged on the inner wall of the fixing ring.

Preferably, a limiting spring is arranged on the three-edge chamfering tool and abuts against the outer end part of the first guide sleeve.

Preferably, an arc protrusion is arranged below the pressure lever, and the arc protrusion is in line contact with the pressure block.

Preferably, a return spring is arranged between the pressing block and the second guide sleeve.

Preferably, the three-edge chamfering tool (1) has a tool tip of 60 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: the cutter assembly is connected with the clamping assembly, so that the three-edge chamfering cutter and the circular tube to be deburred are automatically centered, and the circular tube to be deburred can be radially compressed by pressing the compressing assembly, and the device is simple in structure and convenient to operate. The three-edge chamfering tool is driven by an electric drill, so that the working efficiency is improved, the labor intensity is reduced, and the burr removal rate is high. And simultaneously, the utility model discloses it is light and handy portable, be fit for field operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the present invention showing the internal construction;

in the figure: 1. a three-edge chamfering tool; 2. a set screw is fastened at the flat end of the inner hexagon; 3. a collar; 4. a limiting spring; 5. sleeving a ring; 6. a first guide sleeve; 7. a second guide sleeve; 8. a set screw is fastened at the inner hexagonal cone end; 9. an O-shaped ring; 10. a fixing ring; 11. a round tube to be deburred; 12. tightening the screw; 13. a handle; 14. briquetting; 15. a return spring; 16. a pin; 17. a pressure lever; 18. a socket head cap screw; 19. a pressure bar seat; 20. a chip removal port; 21. and (4) arc convex.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-2, the device for removing burrs inside a circular tube orifice of the present embodiment includes a tool assembly, a clamping assembly, and a pressing assembly, where the tool assembly includes a three-edge chamfering tool 1 and a first guide sleeve 6. The three-edge chamfering tool 1 has a cylindrical tool body and a three-edge chamfering tool bit. The cylindrical cutter body is inserted into the first guide sleeve 6 and extends out of the first guide sleeve 6, the three-edge chamfering cutter head is stopped at the inner end part of the first guide sleeve 6, and the three-edge chamfering cutter 1 can rotate in the first guide sleeve 6 to cut burrs at the pipe orifice of the circular pipe. The three-edge chamfering tool bit is preferably 60 degrees, the angle is too large, the front end of the tool bit cannot completely enter the pipe orifice of the circular pipe, and the burr on the pipe orifice cannot be removed easily. The angle is too small, which is liable to damage the tube wall. In order to prevent burrs from entering the interior of the cutter assembly, the three-edged chamfering cutter 1 may be provided with a fixing ring 10. The fixing ring 10 is positioned at the tool bit end of the three-edge chamfering tool 1 and is abutted against the inner end part of the first guide sleeve 6. The fixing ring 10 is provided with an inner hole which is equivalent to the blade body of the three-edge chamfering tool 1, the inner hole is provided with an O-shaped ring 9, the O-shaped ring 9 can prevent burrs falling from chips from entering the first guide sleeve 6, and the rotation of the three-edge chamfering tool 1 is not influenced.

On the other hand, the three-edge chamfering tool 1 can be provided with a limiting spring 4, and the limiting spring 4 is sleeved on the tool body of the three-edge chamfering tool 1 in a ring mode. Still be provided with the axle collar 3 on the three-edge chamfering tool 1, axle collar 3 is cyclic annular, connects on the blade of three-edge chamfering tool 1 through hexagon socket flat end holding screw 2, and axle collar 3 keeps spacing spring 4 on the blade of three-edge chamfering tool 1. One end of the limiting spring 4 is abutted against the collar 3, and the other end of the limiting spring is abutted against the outer end part of the first guide sleeve 6. Spacing spring 4 is initial for compression state, and under the effect of tension, spacing spring 4 can the axial stimulate three sword chamfer cutters 1 left, prevents that three sword chamfer cutters 1 from rocking in first guide pin bushing 6. A ring sleeve 5 can be further arranged between the limiting spring 4 and the first guide sleeve 6, the ring sleeve 5 is L-shaped, the ring sleeve 5 can provide protection between the first guide sleeve 6 and the three-edge chamfering tool 1, and the limiting spring 4 is prevented from being clamped into a gap between the first guide sleeve 6 and the three-edge chamfering tool 1 to influence the rotation of the three-edge chamfering tool 1.

The clamping component comprises a second guide sleeve 7 and a handle 13, an opening is formed in one end of the second guide sleeve 7, and the first guide sleeve 6 is arranged in the opening of the second guide sleeve 7 and connected with the second guide sleeve 7 through a hexagon socket head cap end set screw 8. The handle 13 is arranged at the other end of the second guide sleeve 7 and is connected with the second guide sleeve 7 through a set screw 12. The second guide sleeve 7 and the handle 13 are provided with a through central circular hole in the axial direction, and after the cutter assembly and the clamping assembly are assembled, the tool bit of the three-edge chamfering cutter 1 is aligned with the central circular holes of the second guide sleeve 7 and the handle 13.

The pressing assembly comprises a pressing block 14, a pressing rod 17 and a pressing rod seat 19, the pressing rod seat 19 is fixed at the upper end of the second guide sleeve 7 through an inner hexagonal cylindrical head screw 18, and the pressing rod seat 19 is approximately positioned above the tool bit of the three-edge chamfering tool 1 in the radial direction. The pressure lever 17 is hinged on the pressure lever seat 19 through a pin 16, and the pressure lever 17 is in a strip shape. The second guide sleeve 7 is provided with a radial elliptical hole communicated with the axial central circular hole, and the pressing block 14 is arranged in the radial elliptical hole. The pressing piece 14 is T-shaped, and a radial portion thereof can move up and down in the elliptical hole. The pressing block 14 is positioned below the pressing rod 17, the tail end of the pressing rod 17 is gripped, and the pressing rod 17 pushes the pressing block 14 downwards. In a preferred embodiment, the lower end of the pressing rod 17 is provided with a circular arc protrusion 21, the circular arc protrusion 21 is in line contact with the pressing block 14, and the circular arc protrusion 21 provides a fulcrum for the rotation of the pressing rod 17 so as to press the pressing block 14 downwards. Furthermore, a return spring 15 can be arranged between the pressing block 14 and the second guide sleeve 7, and the return spring 15 is positioned on two sides of the T-shaped head of the pressing block 14. When the holding force on the pressure rod 17 is removed, the pressing block 14 is reset upwards under the action of the reset spring 15. During initial installation, the return spring 15 is preferably in a compressed state, so that the pressure piece 14 does not contact the round tube to be deburred under the condition of no pressure.

The device for removing burrs in the pipe orifice of the round pipe comprises the following specific use processes: the cutter assembly, the clamping assembly and the pressing assembly are assembled in sequence. The electric drill is held by the right hand, and the round tube 11 to be deburred is held by the left hand. The round tube 11 to be deburred is inserted into the central round hole of the handle 13 until the round tube is inserted to the cutter head which is propped against the three-edge chamfering cutter 1. Then the left hand holds the handle 13 and pinches the pressure rod 17, the pressure rod 17 forces the pressing block 14 to move downwards relative to the second guide sleeve 7, and the pressing block 14 contacts and presses the round tube 11 to be deburred. And starting the right-hand electric hand drill, driving the three-edge chamfering tool 1 to rotate by the power station, applying axial feeding thrust to the electric hand drill, starting to cut burrs on the inner side of the pipe orifice of the circular pipe 11 to be deburred by the tool bit on the right side of the three-edge chamfering tool 1, and discharging the removed burrs from the chip removal ports 20 on the two sides of the second guide sleeve 7. And stopping applying the feeding thrust to the electric hand drill after 3-5 s, closing the electric hand drill, loosening the pressure lever 17, and taking out the circular tube.

The foregoing has outlined the principles and advantages of the present invention so that those skilled in the art may better understand the present invention without further elaboration. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some or all of the technical features by reading the present specification. Any obvious replacement is within the scope of the present invention without departing from the concept of the present invention.

Claims

1. The device for removing burrs in the pipe orifice of the round pipe comprises a cutter assembly, a clamping assembly and a pressing assembly, wherein the cutter assembly comprises a three-edge chamfering cutter (1) and a first guide sleeve (6), the clamping assembly comprises a second guide sleeve (7) and a handle (13), the pressing assembly comprises a pressing block (14), a pressing rod (17) and a pressing rod seat (19), the three-edge chamfering cutter (1) is arranged in the first guide sleeve (6), the first guide sleeve (6) is connected in the second guide sleeve (7), the second guide sleeve (7) is connected on the handle (13), the pressing block (14) is movably arranged in the second guide sleeve (7), the pressing rod seat (19) is fixed on the second guide sleeve (7), the pressing rod (17) is connected on the pressing rod seat (19), the pressing block (14) can be pressed downwards in the radial direction, and when the pressing rod (17) presses the pressing block (14) downwards in the radial direction, the pressing block (14) is pressed to be deburred.

2. The round tube orifice inner burr removing device according to claim 1, characterized in that a fixing ring (10) is arranged on the three-edge chamfering tool (1), the fixing ring (10) abuts against the inner end part of the first guide sleeve (6), and the inner wall of the fixing ring (10) is provided with an O-ring (9).

3. The round pipe orifice internal burr removing device according to claim 2, characterized in that a limiting spring (4) is arranged on the three-edge chamfering tool (1), and the limiting spring (4) abuts against the outer end of the first guide sleeve (6).

4. The round tube orifice burr removing device according to the claim 3, characterized in that the circular arc bulge (21) is arranged under the pressure lever (17), and the circular arc bulge (21) is in line contact with the pressure block (14).

5. The round tube orifice inner burr removing device according to claim 4, characterized in that a return spring (15) is arranged between the pressing block (14) and the second guide sleeve (7).

6. The round pipe orifice internal burr removing device according to any one of claims 1 to 5, wherein the cutting head of the three-edge chamfering tool (1) is 60 degrees.