Grooving cutter for pipes
By designing a tube-type grooving tool that combines a boring head body and a boring head slide, and using a boring machine to process annular grooves in one operation, the problems of low production efficiency and poor precision in existing technologies are solved, achieving efficient and precise processing results.
Patent Information
- Application Number
- CN202520348613.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing technology requires two milling processes when machining annular grooves, resulting in low production efficiency, rapid tool wear, poor part machining accuracy, and difficulty in meeting the needs of mass production.
A tool for grooving pipes was designed, which adopts a combination structure of boring head body and boring head slide. The tool bar is driven to move by the transmission screw. Combined with boring machine machining, the annular groove can be machined in one go. The cutting tool is replaceable, the structure is simple, and the cutting edge can be quickly replaced after wear.
It improves processing efficiency, extends the life of cutting tools, ensures processing accuracy, reduces tool change time, and enhances production efficiency and economy.
Smart Images
Figure CN223876095U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to processing cutter technical field especially, it is a kind of for pipe class excavating groove cutter. BACKGROUND
[0002] In mechanical industry, annular groove is processed and is mostly completed using milling, and milling needs to use two milling cutters to complete two processes of rough and fine, resulting in long processing time, low production efficiency, and tool wear during milling, which needs to return to mill tool and adjust processing parameters for multiple times, and both returning to mill tool and adjusting parameters need to spend a lot of time, which is not conducive to the improvement of processing efficiency, and tool tip wears fast, and part processing size precision is poor, which is not conducive to mass production. SUMMARY
[0003] The utility model provides a kind of for pipe class excavating groove cutter to solve the technical problems of the above-mentioned prior art, effectively prolong the service life of blade, while the precision of processing part is high, improve processing efficiency, with the characteristics of convenient to use, strong practicality.
[0004] The utility model discloses a kind of for pipe class excavating groove cutter, including boring head body, the boring head body bottom is equipped with dovetail groove, the inside dovetail groove is slidably connected with boring head sliding block, boring head body and boring head sliding block are threadedly connected with the transmission screw rod for driving boring head sliding block to move, the boring head sliding block is equipped with mounting hole, the mounting hole is equipped with tool bar, the tool bar is fixedly connected with boring head sliding block by fastening screw, the tool bar is provided with integrally formed blade mounting portion in one end, the blade mounting portion is equipped with the installation groove for installing blade, the tool bar is equipped with the clamping slit being communicated with installation groove, the installation groove is equipped with blade, the tool bar is threadedly connected with the locking bolt for locking blade on the one side of clamping slit.
[0005] As further improvement, the one side of the clamping slit is equipped with hollow groove, the side of the hollow groove is equipped with threaded hole, and the locking bolt is threadedly connected in the threaded hole.
[0006] Further, the hollow groove is one of trapezoidal hollow groove or rhombic hollow groove.
[0007] Further, the blade mounting portion on the bottom of the installation groove is equipped with arc-shaped accommodation slot.
[0008] Further, the blade is equipped with symmetrically arranged excavating groove edge at both ends.
[0009] Further, the excavating groove edge is provided with chip guide inclined surface in front section.
[0010] Further, the rear end of the groove cutting blade is provided with an inclined surface, and the inclined angle of the inclined surface is 5-10 degrees.
[0011] Further, the distance between the blade and the blade mounting part is 5-8mm.
[0012] Beneficial effects
[0013] Compared with the prior art, the utility model has the following advantages:
[0014] The utility model discloses a groove cutting tool for pipe, according to the actual to be processed ring groove inner and outer diameter, through the tool to push the cutter bar, make the cutter bar move to the specified length, tighten the fastening screw, lock the cutter bar fixedly, then install the boring head body on the boring machine, in the cutting process, groove cutting blade first processes the annular groove, processes the annular groove to certain depth, can complete the processing of the specified groove inner and outer diameter simultaneously, utilizes the boring machine and can process the groove in place one time, prolongs the service life of blade, and the machining precision of the part is high, and the cutting depth of each tool is deeper than milling cutter, and boring a circle is faster than milling, effectively improves the processing efficiency, and after the wear of groove cutting blade, only needs to take down the blade and replace the groove cutting blade of the other end, reduces the tool changing time, and the overall structure of the tool is simple, and the economic practicality is good, has the characteristics of practicality and wide application range. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the front view structure schematic diagram of the utility model;
[0016] Figure 2 It is the left view structure schematic diagram of the utility model;
[0017] Figure 3 It is the right view structure schematic diagram of the utility model;
[0018] Figure 4 It is the structure enlarged schematic diagram of cutter bar in the utility model.
[0019] Wherein: 1-boring head body, 2-boring head sliding block, 3-dovetail groove, 4-mounting hole, 5-cutter bar, 6-fastening screw, 7-blade mounting part, 8-mounting groove, 9-clamping seam, 10-blade, 11-locking bolt, 12-hollow groove, 13-threaded hole, 14-arc-shaped accommodation groove, 15-groove cutting blade, 16-chip guide inclined surface, 17-inclined surface. CONCRETE EMBODIMENT
[0020] The utility model will be further explained in connection with the specific embodiment in the drawings.
[0021] Reference Figures 1-4As shown, the utility model relates to a kind of pipe class groove cutting tool, including boring head body 1, boring head body 1 bottom is equipped with dovetail groove 3, boring head body 1 is slidably connected with boring head sliding block 2 in the inside of dovetail groove 3, transmission screw rod for driving boring head sliding block 2 to move is threadedly connected between boring head body 1 and boring head sliding block 2, boring head sliding block 2 is equipped with mounting hole 4, boring head sliding block 2 is equipped with tool bar 5 in mounting hole 4, tool bar 5 is fixedly connected with boring head sliding block 2 by fastening screw 6, one end of tool bar 5 is provided with integrally formed blade mounting portion 7, blade mounting portion 7 is equipped with installation groove 8 for installing blade, tool bar 5 is equipped with clamping slit 9 with installation groove 8 intercommunication, tool bar 5 is equipped with blade 10 in installation groove 8, tool bar 5 is threadedly connected with locking bolt 11 for locking blade 10 on the side of clamping slit 9, according to actual to be processed ring groove inner and outer diameter, tool bar 5 is moved to specified length by tool pushing, tight fastening screw 6, blade 10 is locked and fixed, then boring head body is installed on boring machine, the position of boring head sliding block 2 is fine-tuned by rotating transmission screw rod, so that blade 10 is accurately located at to be processed ring groove, in cutting process, groove cutting edge 15 first processes annular groove, processes annular groove to certain depth, while can complete the processing of specified groove inner and outer diameter, boring machine can process groove in place at a time, extend the service life of blade, while the machining precision of part is high, and the depth of each tool is greater than milling cutter, boring is faster than milling in a circle, effectively improve processing efficiency, and after groove cutting edge wears, only need to disassemble blade, replace another end groove cutting edge 15, reduce tool changing time, while the overall structure of tool is simple, and it is good in economy and practicability.
[0022] Specifically, the side of the clamping slit 9 is provided with a hollow groove 12, the side surface of the hollow groove 12 is provided with a threaded hole 13, the locking bolt 11 is threadedly connected in the threaded hole 13, and the hollow groove 12 facilitates clamping of the blade and also releases stress.
[0023] Preferably, the hollow groove 12 is one of a trapezoidal hollow groove or a rhombic hollow groove, and the trapezoidal or rhombic shape can better cooperate with the locking bolt 11, so that the clamping tool is more stable and reliable.
[0024] Further, the blade mounting portion 7 on the bottom of the installation groove 8 is provided with an arc-shaped accommodation groove 14, which plays an accommodation role for the blade 10 and avoids hindering the installation of the blade 10.
[0025] Further, the blade 10 is provided with symmetrically arranged groove cutting edges 15 at both ends, the width of the groove cutting edge 15 is less than the width of the machined groove, so that the groove cutting edge 15 can accurately groove, and the groove cutting edges 15 at both ends can be used, which is economical.
[0026] Further, the groove cutting edge 15 is provided with a chip guiding inclined surface 16 in front, which effectively helps to remove chips and prevent chips from winding on the tool or the workpiece surface.
[0027] Further, the rear end of the groove cutting blade 15 is provided with an inclined surface 17, the inclination angle of the inclined surface 17 is 5°-10°, which reduces the friction of the cutter, reduces the tangential force and vibration in the cutting process, reduces the wear of the cutter, and prolongs the service life.
[0028] Further, the distance of the blade 10 extending out of the blade mounting portion 7 is 5-8 mm, so that the blade 10 can effectively groove.
[0029] In use, according to the actual inner and outer diameters of the ring groove to be machined, the tool pushes the cutter bar 5 to move to a specified length, tightens the fastening screw 6 to lock and fix the cutter bar 5, then installs the boring head body on the boring machine, adjusts the position of the boring head slide block 2 through the rotating transmission screw rod, so that the blade 10 is accurately located at the ring groove to be machined, in the cutting process, the groove cutting blade 15 first processes the ring groove, and processes the ring groove to a certain depth, and at the same time, the machining of the specified inner and outer diameters of the groove is completed, the boring machine can process the groove in place at one time, prolongs the service life of the blade, and the machining precision of the part is high, and the cutting amount of each tool is deeper than that of the milling cutter, the boring time is faster than the milling time, the machining efficiency is effectively improved, and after the groove cutting blade is worn, only the blade needs to be disassembled and replaced with another groove cutting blade 15, the tool changing time is reduced, the overall structure of the cutter is simple, and the economy and practicability are good.
[0030] The above only describes the preferred embodiments of the utility model, and it should be noted that for those skilled in the art, without departing from the structure of the utility model, a number of modifications and improvements can be made, which will not affect the effect and practicability of the utility model.
Claims
1. A grooving tool for pipes, comprising a boring head body (1), wherein the bottom of the boring head body (1) is provided with a dovetail groove (3), a boring head slider (2) is slidably connected inside the dovetail groove (3), and a transmission screw for driving the boring head slider (2) to move is threaded between the boring head body (1) and the boring head slider (2), characterized in that, The boring head slider (2) is provided with a mounting hole (4), the mounting hole (4) is provided with a cutter bar (5), the cutter bar (5) is fixedly connected with the boring head slider (2) through a fastening screw (6), one end of the cutter bar (5) is provided with an integrally formed blade mounting portion (7), the blade mounting portion (7) is provided with a mounting groove (8) for mounting a blade, the cutter bar (5) is provided with a clamping slot (9) in communication with the mounting groove (8), the mounting groove (8) is provided with a blade (10), and the cutter bar (5) on one side of the clamping slot (9) is threadedly connected with a locking bolt (11) for locking the blade (10).
2. A pipe slotting tool according to claim 1, wherein The clamping slot (9) is provided with a hollow groove (12) on one side, the hollow groove (12) is provided with a threaded hole (13) on the side, and the locking bolt (11) is threadedly connected in the threaded hole (13).
3. A pipe-slotting tool according to claim 2, wherein The hollow groove (12) is one of a trapezoidal hollow groove or a rhombic hollow groove.
4. A pipe-slotting tool according to claim 1, wherein The blade mounting portion (7) at the bottom of the mounting groove (8) is provided with an arc-shaped accommodation groove (14).
5. A pipe-slotting tool according to claim 4, wherein The blade (10) is provided with symmetrically arranged groove digging blades (15) at both ends.
6. A pipe-slotting tool according to claim 5, wherein The groove digging blade (15) is provided with a chip guiding inclined surface (16) at the front section.
7. A pipe-slotting tool according to claim 5, wherein The groove digging blade (15) is provided with an inclined surface (17) at the rear end, and the inclination angle of the inclined surface (17) is 5-10°.
8. A pipe-slotting tool according to claim 1, wherein The blade (10) extends out of the blade mounting portion (7) by a distance of 5-8 mm.