Adjustable non-standard boring cutter

Abstract

The utility model discloses an adjustable non-standard boring cutter which comprises a cutter holder and a cutter handle, the cutter handle is slidably mounted in the right side of the cutter holder in a penetrating manner, the right end of the cutter handle extends to the outer side of the right end of the cutter holder in a penetrating manner, a positioning seat is mounted at the right end of the cutter handle in a welding manner, and a blade is mounted in a slotted manner in the positioning seat in a penetrating manner. And the upper and lower ends in the positioning seat are slotted and slidably provided with limiting rods in a penetrating manner. According to the adjustable non-standard boring cutter, limiting rods are arranged, a positioning seat is welded to the outer end of a cutter handle, then a groove is formed in the positioning seat, a blade is installed in the groove in a penetrating mode, and the two limiting rods are installed at the upper end and the lower end of the positioning seat in a groove penetrating and sliding mode; and meanwhile, the inner ends of the two limiting rods penetrate through and extend into empty grooves formed in the upper end and the lower end of the blade, at the moment, the penetrated blade can be positioned and fixed through the two limiting rods, the phenomenon that the blade used in the later period is staggered and deviated is avoided, and the later use cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of boring cutters, in particular to an adjustable non-standard boring cutter. Background Art

[0002] Non-standard boring tools are mainly used for boring processing, usually for internal hole processing, hole expansion, profiling and other occasions. They can perform rough processing, semi-finishing or finishing on existing holes. Because of its versatility, interchangeability, applicability and high precision, it is widely used in the field of mechanical processing.

[0003] When traditional non-standard boring tools are used in processing, they are basically installed on the tool holder by screws. Most of them are fixed in position and there is no adjustable structure to adjust the boring tool. As a result, the boring tool will affect the accuracy of subsequent processing due to drawbacks such as machine tool error and workpiece thermal expansion error, which reduces the efficiency of the use of non-standard boring tools.

[0004] In order to overcome the above-mentioned defects, prior art 1 (application number CN202321743179.0, Chinese patent application date 2023-07-05) is an adjustable double-edged fine boring tool, in which a first turning handle can be held by hand to drive a rotating rod to rotate. At this time, the rotating rod can be driven to move a push plate through a first spiral thread when rotating. At this time, the push plate can cooperate with the working diameter required by the boring tool body to adjust, thereby achieving an adjustable effect and preventing the boring tool body from being inconvenient to cooperate with the working diameter adjustment during use, thereby affecting applicability;

[0005] Although the existing technology can realize the adjustment operation of non-standard boring tools to solve the processing errors and improve the processing accuracy, when the boring tool needs to be disassembled and replaced in the later stage, the entire tool bar needs to be disassembled and replaced, and the blade cannot be replaced separately, which increases the cost of using the non-standard boring tool;

[0006] Therefore, we proposed that adjustable non-standard boring tool can solve the above problems well. Utility Model Content

[0007] The purpose of the utility model is to provide an adjustable non-standard boring tool to solve the problem raised in the above background technology that when the boring tool needs to be disassembled and replaced in the current market, the entire tool rod needs to be disassembled and replaced, and the blade cannot be replaced separately, which increases the cost of using the non-standard boring tool.

[0008] To achieve the above-mentioned object, the present invention provides the following technical solution: an adjustable non-standard boring tool, comprising a tool holder and a tool handle, wherein the tool handle is slidably mounted on the right inner side of the tool holder, and the right end of the tool handle extends through and to the outer side of the right end of the tool holder;

[0009] Also include: the right end of the handle of the welding installation has a positioning seat, and the inside of the positioning seat is grooved and installed with a blade;

[0010] The inside of the positioning seat is grooved and slidably installed with a limiting rod at the upper and lower ends, and the two limiting rods are symmetrically arranged about the transverse center line of the positioning seat, and the inner ends of the two limiting rods are connected with a hollow groove, and the two hollow grooves are symmetrically arranged at the upper and lower ends of the blade.

[0011] Preferably, the inside of the positioning seat is grooved and provided with an extrusion spring at the upper and lower ends, and the two extrusion springs are the same in structure, and the outer ends of the two extrusion springs are connected with a limiting block.

[0012] Preferably, the inside of the positioning seat is grooved and rotatably installed with a limiting block at the upper and lower ends, and the two limiting blocks are in the shape of a circular arc, and the outer sides of the two limiting blocks correspond to a row of limiting grooves, and the two rows of limiting grooves are equidistantly arranged on the outer sides of the two limiting rods.

[0013] Preferably, the inside of the two limiting blocks is grooved and provided with a torsion spring, and the two torsion springs are the same in structure, and the inner sides of the two torsion springs are woundly connected with a rotating rod, and the two rotating rods are rotatably installed at the inside of the positioning seat at the upper and lower ends.

[0014] Preferably, the bottom inside of the tool holder is grooved and rotatably installed with a worm, and the right end of the worm extends to the right side of the bottom of the tool holder, and the right end of the worm is rotatably installed with a rotating handle.

[0015] Preferably, the outer side of the worm is meshingly connected with a worm wheel, and the worm wheel is rotatably installed in the inside of the tool holder, and the rear side of the worm wheel corresponds to a rotating gear, the center point of the worm wheel is rotatably installed with a transmission shaft, and the rear end of the transmission shaft is rotatably installed with a rotating gear.

[0016] Preferably, the top of the rotating gear is meshingly connected with a handle through a row of tooth blocks, and the row of tooth blocks are equidistantly arranged on the bottom outside of the handle.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] (1) the limiting rod is arranged, the positioning seat is welded and arranged at the outer end of the handle, then the blade is arranged in the inside of the positioning seat, then the two limiting rods are slidably arranged at the upper and lower ends of the positioning seat, and the inner ends of the two limiting rods extend to the hollow grooves arranged at the upper and lower ends of the blade, so that the two limiting rods can fix the blade, the dislocation and deviation of the blade during use can be avoided, and the use cost is reduced.

[0019] (2) Furthermore, by using the slots at the upper and lower ends of the inner portion of the positioning seat to rotate and install the limit blocks through the extrusion spring, when the limit rod is pressed to retract and move, the extrusion spring will use its own elastic force to pop out the limit blocks in sequence into a row of limit slots. At this time, the limit rod that is pressed and retracted can be slid and limited, avoiding the phenomenon of the limit rod being misaligned and offset during use, thereby improving the stability of the blade;

[0020] (3) Furthermore, by using the slots at the upper and lower ends of the interior of the positioning seat to rotate and install a rotating rod through a torsion spring, and then connecting the limiting blocks through the inner ends of the two rotating rods, when the blade needs to be disassembled and replaced in the later stage, it is only necessary to manually rotate the rotating rod to drive the limiting block to separate from the limiting slot, so that the positioning seat can be separated from the blade, and then the blade can be quickly disassembled and replaced, which is more time-saving and labor-saving;

[0021] (4) A rotating gear is provided, and the rotating gear is installed by rotating the internal groove of the tool holder, and then the tool handle is connected to the top of the rotating gear through the tooth block. When the use position of the blade needs to be adjusted later, it is only necessary to rotate the rotating gear to drive the tool handle through the tooth block to drive the blade to adjust the position, thereby solving the processing error, improving the processing accuracy, and improving practicality;

[0022] (5) Furthermore, a worm is rotatably installed in the internal slot of the knife seat, and then a turning handle is connected to the knife seat at the right end of the worm, and a worm wheel is meshed and connected to the outer side of the worm. The worm can be rotated and the rotating gear connected to the worm wheel transmission shaft can be driven to rotate. Not only can the use position of the blade be adjusted, but the position of the worm can also be self-locked after rotation, so as to avoid the phenomenon that the worm accidentally touches and rotates during use later. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0024] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0025] Figure 3 This is a schematic diagram of the partial three-dimensional structure of the worm and the rotating gear of the utility model;

[0026] Figure 4 This is a schematic diagram of the side cross-section structure of the positioning seat and the blade of the utility model;

[0027] Figure 5 For this utility model Figure 4 The enlarged structural diagram at B in the middle;

[0028] Figure 6The utility model discloses a local three-dimensional structure schematic diagram of blade and limiting rod.

[0029] In the figure: 1, the tool holder; 2, the tool handle; 3, the positioning seat; 4, the blade; 5, the worm; 6, the rotating handle; 7, the limiting rod; 8, the rotating rod; 9, the worm wheel; 10, the transmission shaft; 11, the rotating gear; 12, the tooth block; 13, the empty slot; 14, the limiting block; 15, the limiting slot; 16, the extrusion spring; 17, the torsion spring. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] The utility model provides the following technical scheme:

[0032] Embodiment one, to solve the problem that the whole tool rod needs to be disassembled and replaced when the existing boring tool is disassembled and replaced, and the blade 4 cannot be replaced alone, the use cost of the non-standard boring tool is improved, discloses:

[0033] The tool holder 1 is connected with the tool handle 2, wherein the tool handle 2 is slidably installed in the right side of the tool holder 1, and the right end of the tool handle 2 extends to the outside of the right end of the tool holder 1.

[0034] Further comprising: the right end of the tool handle 2 is welded with the positioning seat 3, and the inside of the positioning seat 3 is installed with the blade 4 through grooving;

[0035] The inside of the positioning seat 3 is slidably installed with the limiting rod 7 through grooving at the upper and lower ends, and the two are symmetrically arranged about the transverse center line of the positioning seat 3, and the inner ends of the two limiting rods 7 are connected with the empty slot 13, and the two empty slots 13 are symmetrically arranged at the upper and lower ends of the blade 4.

[0036] The inside of the positioning seat 3 is provided with the extrusion spring 16 through grooving at the upper and lower ends, and the structures of the two extrusion springs 16 are the same, and the outer ends of the two extrusion springs 16 are connected with the limiting block 14, the inside of the positioning seat 3 is rotatably installed with the limiting block 14 through grooving at the upper and lower ends, and the two limiting blocks 14 are in the shape of a circular arc, and the outer side of the two limiting blocks 14 corresponds to a row of limiting slots 15, and the two rows of limiting slots 15 are equidistantly arranged on the outer side of the two limiting rods 7.

[0037] The inside of the two limiting blocks 14 is provided with torsion springs 17, the structures of the two torsion springs 17 are the same, the inner sides of the two torsion springs 17 are wound and connected with rotating rods 8, and the two rotating rods 8 are rotatably installed on the upper and lower ends of the inside of the positioning seat 3.

[0038] As shown in Figures 1-6 When the blade 4 needs to be quickly disassembled and replaced, the two rotating rods 8 are manually rotated to drive the two limiting blocks 14 to rotate, so that the limiting blocks 14 are separated from the limiting grooves 15, at this time, the two limiting rods 7 can be conveniently reset and extracted to move, so that the two limiting rods 7 are separated from the two empty grooves 13, thereby the blade 4 can be disassembled and replaced alone, which is more time-saving and labor-saving, thereby reducing the use cost in the later period;

[0039] The new blade 4 is extended to the inside of the positioning seat 3, and then the two limiting rods 7 are manually pressed to extend to the upper and lower ends of the inside of the positioning seat 3, so that the inner ends of the two limiting rods 7 extend to the empty grooves 13 opened on the upper and lower ends of the blade 4, thereby the position of the installed blade 4 can be positioned and fixed, and at the same time the two limiting rods 7 are pressed and moved, the two extrusion springs 16 will pop out the two limiting blocks 14 into the two rows of limiting grooves 15 by the elastic force of the extrusion springs 16, thereby the two limiting rods 7 which are pressed and moved can be slid and limited, avoiding the misalignment and deviation of the two limiting rods 7 in the later period, improving the stability of the blade 4 in the later period.

[0040] In the second embodiment, the position of the blade 4 can be adjusted to solve the machining error and improve the machining precision, which is different from the first embodiment, and the application discloses:

[0041] The bottom inside of the tool holder 1 is rotatably installed with a worm 5, the right end of the worm 5 extends to the right side of the bottom of the tool holder 1, and the right end of the worm 5 is rotatably installed with a rotating handle 6.

[0042] The outside of the worm 5 is meshingly connected with a worm wheel 9, the worm wheel 9 is rotatably installed in the tool holder 1, the rear side of the worm wheel 9 corresponds to a rotating gear 11, the center point of the worm wheel 9 is rotatably installed with a transmission shaft 10, the rear end of the transmission shaft 10 is rotatably installed with the rotating gear 11, the top of the rotating gear 11 is meshingly connected with a blade handle 2 through a row of tooth blocks 12, and the row of tooth blocks 12 are equidistantly arranged on the bottom outside of the blade handle 2.

[0043] As shown in Figures 1-3As shown, when the position of the blade 4 needs to be adjusted for use, the worm 5 is rotated by manually rotating the rotating handle 6, which simultaneously rotates the worm wheel 9 connected to the outside of the worm 5. The center point of the worm wheel 9 is connected to the rotating gear 11 through the transmission shaft 10, so that the rotating gear 11 is rotated by the worm wheel 9 while the worm 5 is rotating. Thus, the position of the tool holder 2 is simultaneously moved by the row of tooth blocks 12, so that the position of the blade 4 is better adjusted for use, thereby solving the machining error, improving the machining precision, and saving time and effort for operation.

[0044] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. An adjustable non-standard boring cutter, comprising a cutter seat (1) and a cutter handle (2), wherein the cutter handle (2) is slidably installed through the right side of the inside of the cutter seat (1), and the right end of the cutter handle (2) extends through to the outside of the right end of the cutter seat (1); characterized in that Further comprising: a positioning seat (3) is welded to the right end of the cutter handle (2), and a blade (4) is slidably installed through the slot in the inside of the positioning seat (3); limiting rods (7) are slidably installed through the slots in the upper and lower ends of the inside of the positioning seat (3), and the two limiting rods (7) are symmetrically arranged about the transverse center line of the positioning seat (3), and the inner ends of the two limiting rods (7) are connected with hollow grooves (13), and the two hollow grooves (13) are symmetrically arranged at the upper and lower ends of the blade (4).

2. The adjustable non-boring cutter according to claim 1, wherein: extrusion springs (16) are arranged in the slots in the upper and lower ends of the inside of the positioning seat (3), and the two extrusion springs (16) are the same in structure, and the outer ends of the two extrusion springs (16) are connected with limiting blocks (14).

3. The adjustable non-boring cutter according to claim 2, wherein: limiting blocks (14) are rotatably installed in the slots in the upper and lower ends of the inside of the positioning seat (3), and the two limiting blocks (14) are in the shape of a circular arc, and the outer sides of the two limiting blocks (14) correspond to a row of limiting grooves (15), and the two rows of limiting grooves (15) are equidistantly arranged on the outer sides of the two limiting rods (7).

4. The adjustable non-boring cutter according to claim 3, wherein: torsion springs (17) are arranged in the slots in the interiors of the two limiting blocks (14), and the two torsion springs (17) are the same in structure, and the inner sides of the two torsion springs (17) are woundly connected with rotating rods (8), and the two rotating rods (8) are rotatably installed in the upper and lower ends of the inside of the positioning seat (3).

5. The adjustable non-boring cutter of claim 1, wherein: a worm (5) is rotatably installed in the slot in the bottom inner side of the cutter seat (1), and the right end of the worm (5) extends through to the bottom right side of the cutter seat (1), and the right end of the worm (5) is positioned with a rotating handle (6).

6. The adjustable non-boring cutter according to claim 5, wherein: a worm wheel (9) is meshingly connected to the outer side of the worm (5), and the worm wheel (9) is rotatably installed in the inside of the cutter seat (1), and the rear side of the worm wheel (9) corresponds to a rotating gear (11), the center point of the worm wheel (9) is connected with a transmission shaft (10), and the rear end of the transmission shaft (10) is connected with the rotating gear (11).

7. The adjustable non-boring cutter according to claim 6, wherein: the top of the rotating gear (11) is meshingly connected with the cutter handle (2) through a row of tooth blocks (12), and the row of tooth blocks (12) are equidistantly arranged on the bottom outer side of the cutter handle (2).

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