Novel floating end trimming tool apron

Abstract

The utility model discloses a novel floating end trimming tool apron, which belongs to the technical field of steel pipe end groove processing and production and is mounted on an end trimming machine cutterhead for use. Comprising a base, a floating tool table, a middle tool apron, an indexable tool apron, a profiling wheel, a profiling wheel seat, a first machining tool, a second machining tool, a third machining tool, a compression screw, a wedge block, a limiting mechanism, an end baffle, a side baffle, a guide rail pair and a profiling power mechanism. The three sets of machining tools are arranged, the machining tools can be reasonably arranged according to different requirements, a normal single groove can be machined, and machining of a composite groove can be achieved. Meanwhile, due to the fact that the indexable tool aprons on the two sides can rotate by a certain angle according to the change of the pipe diameter, a proper angle is kept between the cutting edge of the machining tool and the cutting direction, good chip rolling, chip breaking and chip discharging functions are guaranteed, scrap iron is prevented from being embedded into the direct area of the blade and the cutting face or the direct area of the contour wheel and the surface of the steel pipe, and the quality of the groove machining surface can be improved.

Description

Technical Field

[0001] This application relates to the field of steel pipe end-cutting technology, and in particular to a novel floating end-cutting tool holder. Background Technology

[0002] Before leaving the factory, steel pipes need to have their ends beveled, a process known in the industry as end finishing, to facilitate butt welding at the application site. The beveling method varies depending on factors such as pipe wall thickness and design requirements. Thinner pipes typically use a "blunt edge + external single bevel" configuration. Thicker pipes often use a "blunt edge + external composite double bevel" configuration. Some structural steel pipes may also use an "internal single bevel + blunt edge + external single bevel" configuration.

[0003] The industry practice for pipe end finishing involves placing a floating end-finishing tool holder on the rotating cutter head of the end-finishing equipment. This floating tool holder can conform to the inner wall of the steel pipe. Beveling and blunting tools are fixed side-by-side on the floating tool table of the tool holder to machine the pipe end beveling. Because steel pipe materials generally have a low carbon equivalent, their hardness is also low, directly leading to difficulty in chip breaking during cutting. Chips easily get stuck around the tools, scratching the finished surface. Furthermore, because the floating end-finishing tool holder is a general-purpose structure, the beveling and blunting tools can only be placed parallel, and the angle between the cutting edge and the cutting direction cannot be adjusted. This results in the chip removal direction not being optimized when processing steel pipes of different specifications, and the chips are still prone to scratching the finished surface.

[0004] For machining external double bevels, the conventional approach is to find larger inserts and cut them to the required bevel shape. Because the inserts are temporary, chip formation, chip breaking, and chip removal at the cutting edge are poor, and the cutting edge wears extremely quickly. Generally, a single insert can only produce a few steel pipes before being scrapped. For machining bevels on both the inner and outer sides, existing floating end-cutting tool holders cannot produce them directly. The usual practice is to weld a machining tool mounting bracket onto the floating tool holder of the floating end-cutting tool holder to install newly added machining tools. However, because all tools can only be fixed in one direction, the aforementioned chipping problem still occurs when the steel pipe specifications and dimensions change. Therefore, this application proposes a new technical solution. Utility Model Content

[0005] To improve the quality of steel pipe end trimming, this application provides a novel floating end trimming tool holder.

[0006] This application provides a novel floating trimming tool holder, which adopts the following technical solution:

[0007] A novel floating end-cutting tool holder includes a base, a floating tool table, a centrally located tool holder, an indexable tool holder, a contour wheel, a contour wheel seat, machining tool one, machining tool two, machining tool three, a clamping screw, a wedge block, a limiting mechanism, an end baffle, a side baffle, a guide rail pair, and a contouring power mechanism.

[0008] Optionally, the base is connected and fixed to the end-cutting machine cutter head. The fixed position can be adjusted when processing steel pipes of different specifications.

[0009] Optionally, the floating tool table is connected to the base via a guide rail pair. The floating tool table can move linearly along the guide rail pair. One end of the contouring power mechanism is fixed on the base, and the other end is fixed on the floating tool table. During processing, the inner wall of the steel pipe presses down on the contouring wheel, forcing the contouring power mechanism to be compressed. The rebound force of the compression keeps the contouring wheel close to the inner wall of the steel pipe during the processing.

[0010] Optionally, the central tool holder and the indexable tool holder are mounted and fixed on the floating tool table. The indexable tool holder can rotate within a certain angle range to adapt to the appropriate angle between the tool cutting edge and the cutting direction.

[0011] Optionally, the machining tool one, machining tool two, and machining tool three can be freely arranged and installed on the central tool holder and the indexable tool holder. The machining tool installed on the central tool holder is fixed with clamping screws, and the machining tool installed on the indexable tool holder is fixed with wedge blocks.

[0012] Optionally, the contour wheel holder is fixed to the floating tool holder, and the contour wheel is mounted on the front end of the contour wheel holder. The contour power mechanism can drive the contour wheel to fit tightly against the inner wall of the steel pipe to adapt to changes in the roundness of the steel pipe. This ensures that the positions of machining tools one, machining tools two, and machining tools three are relatively fixed to the steel pipe wall.

[0013] Optionally, the end baffles are fixed at both ends of the floating tool holder, and the side baffles are fixed on both sides of the floating tool holder.

[0014] Optionally, one end of the limiting mechanism is fixed to the base and the other end is fixed to the floating tool holder, which is used to limit the extreme stroke of the floating tool holder.

[0015] In summary, this application includes the following beneficial technical effects: the design of three independently arranged tool holders, with the tool holders on both sides being indexable, allows for optimization of the angle between the tool and the cutting direction according to requirements, which is beneficial for chip curling, chip breaking, and chip removal. Furthermore, the design of multiple tool holders is advantageous for simultaneous machining of composite bevels and internal and external bevels. Attached Figure Description

[0016] Figure 1 This is an isometric drawing of this application;

[0017] Figure 2 This is a top view of this application.

[0018] Figure 3 This is a front view of this application.

[0019] Explanation of reference numerals in the attached diagram: 1. Base; 2. Floating tool post; 3. Central tool holder; 4. Indexable tool holder; 5. Copying wheel; 6. Copying wheel seat; 7. Machining tool one; 8. Machining tool two; 9. Machining tool three; 10. Clamping screw; 11. Wedge block; 12. Limiting mechanism; 13. End baffle; 14. Side baffle; 15. Guide rail pair; 16. Copying power mechanism. Detailed Implementation

[0020] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0021] This application discloses a novel floating trimming tool holder.

[0022] Reference Figure 1 , Figure 2 and Figure 3 The new floating end trimming tool holder is installed on the end trimming machine tool disc and includes a base 1, a floating tool table 2, a centrally located tool holder 3, an indexable tool holder 4, a contour wheel 5, a contour wheel seat 6, a first machining tool 7, a second machining tool 8, a third machining tool 9, a clamping screw 10, a wedge block 11, a limiting mechanism 12, an end baffle 13, a side baffle 14, a guide rail pair 15, and a contouring power mechanism 16.

[0023] The base 1 is directly connected and fixed to the end-cutting machine cutter head. When processing steel pipes of different specifications, the fixing position needs to be readjusted.

[0024] The floating tool holder 2 is connected to the base 1 via a guide rail pair 15. The floating tool holder 2 can move linearly along the guide rail. One end of the contouring power mechanism 16 is fixed to the base 1, and the other end is fixed to the floating tool holder 2. During machining, the inner wall of the steel pipe presses against the contouring wheel 5, forcing the contouring power mechanism 16 to be compressed. The rebound force of the compression keeps the contouring wheel 5 close to the inner wall of the steel pipe throughout the machining process.

[0025] The central tool holder 3 and the indexable tool holder 4 are mounted and fixed on the floating tool table 2. The indexable tool holder 4 can rotate within a certain angle range to adapt to the appropriate angle between the tool cutting edge and the cutting direction.

[0026] Machining tools 1 (7), 2 (8), and 3 (9) can be customized according to order requirements and freely arranged for installation on the central tool holder 3 and the indexable tool holder 4. The machining tools installed on the central tool holder 3 are secured with clamping screws 10. The machining tools installed on the indexable tool holder 4 are secured with wedge blocks 11.

[0027] The contour wheel holder 6 is fixed on the floating tool holder 2, and the contour wheel 5 is installed at the front end of the contour wheel holder 6. The contour power mechanism 16 can drive the contour wheel 5 to fit tightly against the inner wall of the steel pipe to adapt to changes in the roundness of the steel pipe. This makes the positions of machining tools 1 7, machining tools 2 8, and machining tools 3 9 relatively fixed with respect to the steel pipe wall.

[0028] End baffles 13 are fixed at both ends of the floating tool holder 2. Side baffles 14 are fixed on both sides of the floating tool holder 2. Both serve to prevent chips and dust from entering the interior of the floating end trimmer.

[0029] The limiting mechanism 12 is fixed at one end to the base 1 and at the other end to the floating tool post 2. It is used to limit the extreme stroke of the floating tool post 2.

[0030] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A novel floating trimming tool holder, characterized in that: Includes a base (1), a floating tool holder (2), a centrally located tool holder (3), an indexable tool holder (4), a contour wheel (5), a contour wheel holder (6), a first machining tool (7), a second machining tool (8), a third machining tool (9), a clamping screw (10), a wedge block (11), a limiting mechanism (12), an end baffle (13), a side baffle (14), a guide rail pair (15), and a contour power mechanism (16). The central tool holder (3) and the indexable tool holder (4) are mounted and fixed on the floating tool table (2). The indexable tool holder (4) can rotate within a certain angle range to adapt to the appropriate angle between the tool cutting edge and the cutting direction. The first machining tool (7), the second machining tool (8), and the third machining tool (9) can be freely arranged and installed on the central tool holder (3) and the indexable tool holder (4). The machining tool installed on the central tool holder (3) is fixed with a clamping screw (10), and the machining tool installed on the indexable tool holder (4) is fixed with a wedge block (11).

2. The novel floating trimmer holder according to claim 1, characterized in that: The base (1) is connected and fixed to the end-cutting machine cutter head. The fixed position can be adjusted when processing steel pipes of different specifications.

3. The novel floating trimmer holder according to claim 1, characterized in that: The floating tool table (2) is connected to the base (1) through the guide rail pair (15). The floating tool table (2) can move linearly along the guide rail pair (15). One end of the contouring power mechanism (16) is fixed on the base (1) and the other end is fixed on the floating tool table (2). During processing, the inner wall of the steel pipe presses down on the contouring wheel (5), forcing the contouring power mechanism (16) to be compressed. The rebound force of the compression makes the contouring wheel (5) close to the inner wall of the steel pipe during the processing.

4. The novel floating trimmer holder according to claim 1, characterized in that: The contour wheel seat (6) is fixed on the floating tool table (2), and the contour wheel (5) is installed at the front end of the contour wheel seat (6). The contour power mechanism (16) can drive the contour wheel (5) to fit tightly against the inner wall of the steel pipe to adapt to the change in the roundness of the steel pipe, so that the positions of the first machining tool (7), the second machining tool (8), and the third machining tool (9) relative to the steel pipe wall are fixed.

5. The novel floating trimmer holder according to claim 1, characterized in that: The end baffle (13) is fixed at both ends of the floating tool table (2), and the side baffle (14) is fixed on both sides of the floating tool table (2).

6. The novel floating trimmer holder according to claim 1, characterized in that: The limiting mechanism (12) is fixed at one end to the base (1) and at the other end to the floating tool table (2), and is used to limit the limit stroke of the floating tool table (2).

Images