CN218964065U

CN218964065U - Small hole boring cutter

Info

Publication number: CN218964065U
Application number: CN202223143737.8U
Authority: CN
Inventors: 胡健; 杜月琴; 王勇
Original assignee: Suzhou Fengrui Precision Electromechanical Co ltd
Current assignee: Suzhou Fengrui Precision Electromechanical Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-05
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a small hole boring cutter, which comprises a handle, wherein a first mounting hole is formed in the handle, a boring cutter main body is detachably connected in the first mounting hole, a second mounting hole is formed at one end of the upper surface of the handle, a third mounting hole corresponding to the second mounting hole is formed in the middle of the surface of the boring cutter main body, screws are connected in the second mounting hole and the third mounting hole in a threaded manner, a fourth mounting hole is formed at one end of the surface of the boring cutter main body, a strip-shaped hole is formed at one end, close to the fourth mounting hole, of the surface of the boring cutter main body, and a fifth mounting hole corresponding to the fourth mounting hole is formed at one end of the upper surface of the handle.

Description

Small hole boring cutter

Technical Field

The utility model belongs to the technical field of small hole boring cutters, and particularly relates to a small hole boring cutter.

Background

The boring cutter is a hole processing cutter, is generally a round handle, and is also provided with a cutter bar for a larger workpiece, which is generally seen in a vertical lathe, and the most common occasions are inner hole processing, reaming, profiling and the like, but the boring cutter is not only capable of processing an inner hole, but also capable of processing an outer circle of an end face, and is only used conventionally, not so, and the boring cutter has the following publication number: CN203030931U discloses a boring cutter, including tool bit and handle of a knife, handle of a knife and tool bit separately make, and the tool bit passes through the locating hole and is connected with the handle of a knife, and the tool bit contains cutting edge and chamfer sword, and this structure has overcome the manual work and has processed the feed according to experience, and the precision is not high, cuts and chamfer and need change the defect of cutter, provides a boring cutter after improving, and tool bit, handle of a knife pass through the location fritter and connect, and the location fritter has the function of location feed, can improve the precision of processing, cuts simultaneously and chamfer one shot forming, has saved process time.

However, the prior art has some problems: the locating pin of the existing cutter is arranged below the small hole cutter, so that a locating point, a cutter point and a locating surface are not arranged in the same machining process, machining is difficult and the requirement is higher, a locating plane is arranged on the upper side of the small hole cutter, the locating pin is arranged on the locating surface, the locating device is clamped by a screw, the locating pin is protected for convenient use and preventing unintentional damage of the locating pin, however, the conventional device cannot meet the daily work requirement of people, and therefore, a small hole boring cutter is proposed.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides the small hole boring cutter, which has the advantages of convenient positioning and protection of the positioning pin, solves the problems that the positioning pin of the existing cutter is arranged below the small hole cutter, so that the positioned point, the cutter point and the positioning surface are not in the same processing procedure, the processing is difficult and the requirement is higher, a positioning plane is opened on the upper side of the small hole cutter, the positioning pin is arranged on the positioning surface, the positioning is realized by clamping by a screw, and the positioning pin is required to be protected for the convenience of use and the prevention of unintentional damage of the positioning pin, but the conventional device cannot meet the daily work requirement of people.

The boring cutter comprises a handle, wherein a first mounting hole is formed in the handle, a boring cutter main body is detachably connected in the first mounting hole, a second mounting hole is formed in one end of the upper surface of the handle, a third mounting hole corresponding to the second mounting hole is formed in the middle of the surface of the boring cutter main body, screws are connected in the second mounting hole and the third mounting hole in a threaded mode, a fourth mounting hole is formed in one end of the surface of the boring cutter main body, a strip-shaped hole is formed in one end, close to the fourth mounting hole, of the surface of the boring cutter main body, a fifth mounting hole corresponding to the fourth mounting hole is formed in one end of the upper surface of the handle, a positioning assembly is arranged in the fifth mounting hole, and a protection assembly is arranged on the surface of the positioning assembly.

As the preferable mode of the utility model, the positioning component comprises a fixed rod, the fixed rod penetrates through the fifth mounting hole and the fourth mounting hole and is fixedly connected to the inner bottom of the handle, the fixed rod corresponds to the strip-shaped hole, threads are arranged on the surface of the fixed rod, a positioning pin is movably connected to the surface of the fixed rod, a sliding groove is formed in the upper end of the positioning pin, and two groups of rollers are movably connected in the sliding groove.

As the preferable mode of the utility model, the upper ends of the two groups of rollers are fixedly connected with threaded blocks together, the upper ends of the fixing rods are fixedly connected with baffle plates, and the upper ends of the two sides of the locating pin are fixedly connected with connecting rods.

As the utility model is preferable, one end of each of the two groups of connecting rods is fixedly connected with a sliding block, the two groups of sliding blocks are movably connected with sliding rods, the surfaces of the two groups of sliding rods are fixedly connected with a fixed shell, and springs are fixedly connected between the two groups of sliding blocks and the inner bottoms of the fixed shells.

As the preferable mode of the utility model, the protection component comprises a mounting shell, two groups of mounting shells are fixedly connected to one end, close to the positioning component, of the upper surface of the handle, two groups of screw rods are fixedly connected to one side of each mounting shell, and two groups of limiting rods are fixedly connected to the upper surface of each mounting shell.

As the optimal selection of the utility model, the surfaces of the four groups of limiting rods are detachably connected with the protective shell, two groups of hinges are arranged on two sides of the protective shell, and the surfaces of the two groups of hinges are movably connected with the mounting plate.

As preferable in the utility model, the surfaces of the four groups of mounting plates are respectively provided with a sixth mounting hole corresponding to the screw rod, and the surfaces of the four groups of screw rods are respectively connected with nuts in a threaded manner.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the boring cutter body positioning device, through the design of the handle, the first mounting hole, the boring cutter body, the second mounting hole, the third mounting hole, the screw, the fourth mounting hole, the strip-shaped hole, the fifth mounting hole, the positioning component and the protection component, in the process of mounting the boring cutter body in the handle, the fixing rod penetrates through the strip-shaped hole to be mounted in the fourth mounting hole, the screw penetrates through the second mounting hole to be connected in the third mounting hole through threads, when the boring cutter body is positioned, when the threaded block is positioned at the upper end of the fixing rod, the spring pulls the sliding block to slide downwards, so that the positioning pin is driven to slide downwards, when the threaded block slides downwards to a threaded position, the threaded block can be rotated, because the roller is movably connected in the sliding groove, the positioning pin can not rotate when the threaded block drives the positioning pin to descend to a certain distance, the positioning pin can be inserted into the fourth mounting hole, when the positioning component is protected, the protection shell is mounted on the four groups of limiting rods, and then the sixth mounting plate is rotated through the hinge, and the positioning component is mounted on the surface of the boring cutter body, and then the boring cutter body is conveniently screwed by the screw, and the protection component is positioned.

2. According to the boring cutter body positioning device, through the design of the fixing rod, the fifth mounting hole, the fourth mounting hole, the handle, the strip-shaped hole, the positioning pin, the sliding groove and the roller, the roller can move in the sliding groove, and the positioning pin can move on the surface of the fixing rod, so that the effect of conveniently inserting the positioning pin into the fourth mounting hole and positioning the boring cutter body is achieved.

3. According to the utility model, through the design of the roller, the thread block, the fixing rod, the baffle, the locating pin and the connecting rod, the thread block can directly move on the upper end of the surface of the fixing rod, and can move only by rotating at the threaded position, when the thread block drives the locating pin to move downwards, the connecting rod can be driven to move, and the baffle can effectively limit the thread block, so that the effect of conveniently fixing the position of the locating pin after positioning is achieved.

4. According to the utility model, through the design of the connecting rod, the sliding block, the sliding rod, the fixing shell and the spring, when the threaded block is arranged at a place without threads at the upper end of the fixing rod, the spring can drive the sliding block to slide on the surface of the sliding rod, so that the effect of conveniently driving the threaded block and the positioning pin to automatically slide at the upper end of the fixing rod is achieved.

5. According to the utility model, through the design of the mounting shell, the grip, the screw rod and the limiting rod, the limiting rod is used for mounting the protective shell, and the screw rod is used for mounting the mounting plate, so that the effect of effectively protecting the positioning assembly is achieved.

6. According to the utility model, through the design of the limiting rod, the protective shell, the hinge and the mounting plate, the mounting plate can rotate on two sides of the protective shell by using the hinge, so that the effect of conveniently driving the sixth mounting hole to be mounted on the surface of the screw rod is achieved.

7. According to the utility model, through the design of the mounting plate, the screw rod, the sixth mounting hole and the nut, after the sixth mounting hole on the surface of the mounting plate is mounted on the screw rod, the screw rod can be screwed down by the nut, so that the effect of firmly fixing the protective shell is achieved.

Drawings

FIG. 1 is a schematic perspective view of a grip structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a boring tool body according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of a third mounting hole provided in an embodiment of the present utility model;

FIG. 4 is a schematic perspective view of a second mounting hole provided by an embodiment of the present utility model;

fig. 5 is a schematic perspective view of a protective assembly provided by an embodiment of the present utility model;

fig. 6 is a schematic perspective view of a positioning assembly provided by an embodiment of the present utility model.

In the figure: 1. a grip; 2. a protective assembly; 201. a mounting shell; 202. a nut; 203. a screw; 204. a limit rod; 205. a mounting plate; 206. a sixth mounting hole; 207. a hinge; 208. a protective shell; 3. a first mounting hole; 4. a boring cutter body; 5. a second mounting hole; 6. a positioning assembly; 601. a fixed rod; 602. a positioning pin; 603. a chute; 604. a roller; 605. a connecting rod; 606. a slide bar; 607. a slide block; 608. a spring; 609. a screw block; 610. a baffle; 611. a fixed case; 7. a third mounting hole; 8. a fourth mounting hole; 9. a bar-shaped hole; 10. a screw; 11. and a fifth mounting hole.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the small hole boring tool provided by the embodiment of the utility model comprises a handle 1, a first mounting hole 3 is formed in the handle 1, a boring tool main body 4 is detachably connected in the first mounting hole 3, a second mounting hole 5 is formed at one end of the upper surface of the handle 1, a third mounting hole 7 corresponding to the second mounting hole 5 is formed in the middle of the surface of the boring tool main body 4, screws 10 are connected in the second mounting hole 5 and the third mounting hole 7 in a threaded manner, a fourth mounting hole 8 is formed at one end of the surface of the boring tool main body 4, a strip-shaped hole 9 is formed at one end, close to the fourth mounting hole 8, of the surface of the boring tool main body 4, a fifth mounting hole 11 corresponding to the fourth mounting hole 8 is formed at one end of the upper surface of the handle 1, a positioning component 6 is arranged in the fifth mounting hole 11, and a protection component 2 is arranged on the surface of the positioning component 6.

The scheme is adopted: through the design of handle 1, first mounting hole 3, boring cutter main part 4, second mounting hole 5, third mounting hole 7, screw 10, fourth mounting hole 8, bar hole 9, fifth mounting hole 11, locating component 6 and protection component 2, in the in-process of installing boring cutter main part 4 in handle 1, bar hole 9 is installed to dead lever 601, pass second mounting hole 5 threaded connection in third mounting hole 7 with screw 10, when boring cutter main part 4 is fixed a position, when screw block 609 is located the dead lever 601 upper end, slider 607 is drawn to slide downwards, make it drive locating pin 602 and slide down, when screw block 609 slides down to the position of screw thread, can rotate screw block 609 because roller 604 swing joint is in spout 603, so when screw block 609 rotates, locating pin 602 can not follow the rotation, can peg graft in fourth mounting hole 8 after the locating pin 602 descends to a certain distance, accomplish and install the locating hole 206 to boring cutter main part 4, install the locating nut 206 at the side of the four-piece 6 with the four-way set of locating nut 206, when the four-way set of locating nut 206 is installed to the four-way set, and the protection component is installed at the side of the four-piece 6, and the protection component is then is installed at the side of the four-piece, the installation hole 206 is convenient, and the protection component is installed to the four-piece is installed, and the protection device is mounted on the side of the four-piece 6, and is mounted on the installation hole is convenient.

Referring to fig. 6, the positioning assembly 6 includes a fixing rod 601, the fixing rod 601 penetrates through the fifth mounting hole 11 and the fourth mounting hole 8 to be fixedly connected to the inner bottom of the grip 1, the fixing rod 601 corresponds to the bar-shaped hole 9, threads are arranged on the surface of the fixing rod 601, a positioning pin 602 is movably connected to the surface of the fixing rod 601, a sliding groove 603 is formed in the upper end of the positioning pin 602, and two groups of rollers 604 are movably connected in the sliding groove 603.

The scheme is adopted: through the design of dead lever 601, fifth mounting hole 11, fourth mounting hole 8, handle 1, bar hole 9, locating pin 602, spout 603 and roller 604, roller 604 can move about in spout 603 to locating pin 602 can move about at the dead lever 601 surface, has reached the effect that makes things convenient for locating pin 602 to peg graft in fourth mounting hole 8, carries out the location to boring cutter main part 4.

Referring to fig. 6, screw blocks 609 are fixedly connected to the upper ends of the two sets of rollers 604, a baffle 610 is fixedly connected to the upper end of the fixing rod 601, and connecting rods 605 are fixedly connected to the upper ends of the two sides of the locating pin 602.

The scheme is adopted: through the design of roller 604, screw block 609, dead lever 601, baffle 610, locating pin 602 and connecting rod 605, screw block 609 can directly move on the dead lever 601 surface upper end, in threaded position, need just can remove through rotating, when screw block 609 drives locating pin 602 and moves down, can drive connecting rod 605 and remove to baffle 610 can effectively carry out the spacing to screw block 609, has reached the effect of conveniently carrying out the position fixing to locating pin 602 after the location.

Referring to fig. 6, one end of each of the two sets of connecting rods 605 is fixedly connected with a sliding block 607, sliding rods 606 are movably connected in the two sets of sliding blocks 607, the surfaces of the two sets of sliding rods 606 are fixedly connected with a fixed shell 611, and springs 608 are fixedly connected between the two sets of sliding blocks 607 and the inner bottoms of the fixed shell 611.

The scheme is adopted: through the design of connecting rod 605, slider 607, slide bar 606, fixed shell 611 and spring 608, when screw block 609 is in the place that the upper end of dead lever 601 does not have the screw, spring 608 can drive slider 607 and slide on the slide bar 606 surface, has reached the effect that conveniently drives screw block 609 and locating pin 602 and carries out automatic sliding in the dead lever 601 upper end.

Referring to fig. 5, the protection component 2 includes a mounting shell 201, two sets of mounting shells 201 are all fixedly connected to one end of the upper surface of the grip 1, which is close to the positioning component 6, two sets of screws 203 are all fixedly connected to one side of the two sets of mounting shells 201, and two sets of limiting rods 204 are all fixedly connected to the upper surface of the two sets of mounting shells 201.

The scheme is adopted: through the design of installation shell 201, handle 1, screw 203 and gag lever post 204, gag lever post 204 is used for the installation of protecting crust 208, and screw 203 is used for the installation of mounting panel 205, has reached the effect that can effectually protect locating component 6.

Referring to fig. 5, the surfaces of the four sets of limiting rods 204 are detachably connected with a protecting shell 208, two sets of hinges 207 are arranged on two sides of the protecting shell 208, and the surfaces of the two sets of hinges 207 are movably connected with a mounting plate 205.

The scheme is adopted: through the design of gag lever post 204, protecting crust 208, hinge 207 and mounting panel 205, mounting panel 205 can utilize hinge 207 to rotate in protecting crust 208 both sides, has reached the effect that conveniently drives sixth mounting hole 206 to install at screw 203 surface.

Referring to fig. 5, the surfaces of the four sets of mounting plates 205 are provided with sixth mounting holes 206 corresponding to the screws 203, and the surfaces of the four sets of screws 203 are connected with nuts 202 in a threaded manner.

The scheme is adopted: through the design of mounting plate 205, screw 203, sixth mounting hole 206 and nut 202, when the sixth mounting hole 206 on mounting plate 205 surface is installed on screw 203, can screw it with nut 202, has reached the effect that can firmly fix protective housing 208.

The working principle of the utility model is as follows:

in the process of installing the boring cutter body 4 in the grip 1, the fixing rod 601 passes through the strip-shaped hole 9 and is installed in the fourth installation hole 8, the fixing rod 10 passes through the second installation hole 5 and is connected in the third installation hole 7 in a threaded manner, when the boring cutter body 4 is positioned, when the threaded block 609 is positioned at the upper end of the fixing rod 601, the spring 608 pulls the sliding block 607 to slide downwards so as to drive the positioning pin 602 to slide downwards, when the threaded block 609 slides downwards to a threaded position, the threaded block 609 can be rotated, because the roller 604 is movably connected in the sliding groove 603, the positioning pin 602 does not rotate along with the sliding groove 603 when the threaded block 609 rotates, the positioning pin 602 is inserted in the fourth installation hole 8 after the threaded block 609 drives the positioning pin 602 to descend to a certain distance, positioning of the boring cutter body 4 is completed, when the positioning assembly 6 is protected, the protecting shell 208 is installed on the four groups of limiting rods 204, then the mounting plate 205 is rotated by the hinge 207, the sixth installation hole 206 is installed on the surface of the screw 203, and then the nut 202 is screwed down.

To sum up: the small hole boring cutter solves the problems that the positioning pin of the existing cutter is arranged below the small hole cutter, so that the positioned point, the cutter point and the positioning surface are not in the same processing procedure, the processing is difficult and the requirement is higher, a positioning plane is required to be opened on the upper side of the small hole cutter, the positioning pin is arranged on the positioning surface, the positioning is realized by means of screw clamping, and the positioning pin needs to be protected for the convenience of use and the prevention of unintentional damage of the positioning pin, however, the conventional device cannot meet the daily working requirement of people.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The small hole boring cutter comprises a handle (1), and is characterized in that: the novel boring tool comprises a handle (1), wherein a first mounting hole (3) is formed in the handle (1), a boring tool main body (4) is detachably connected in the first mounting hole (3), a second mounting hole (5) is formed in one end of the upper surface of the handle (1), a third mounting hole (7) corresponding to the second mounting hole (5) is formed in the middle of the surface of the boring tool main body (4), screws (10) are uniformly and commonly connected in the second mounting hole (5) and the third mounting hole (7), a fourth mounting hole (8) is formed in one end of the surface of the boring tool main body (4), a strip-shaped hole (9) is formed in one end, close to the fourth mounting hole (8), of the surface of the boring tool main body (4), a fifth mounting hole (11) corresponding to the fourth mounting hole (8) is formed in one end of the upper surface of the handle (1), a positioning component (6) is arranged in the fifth mounting hole (11), and a protective component (2) is arranged on the surface of the positioning component (6).

2. The small hole boring tool according to claim 1, wherein: the locating component (6) comprises a fixing rod (601), the fixing rod (601) penetrates through a fifth mounting hole (11) and a fourth mounting hole (8) to be fixedly connected with the inner bottom of the handle (1), the fixing rod (601) corresponds to the strip-shaped hole (9), threads are arranged on the surface of the fixing rod (601), a locating pin (602) is movably connected to the surface of the fixing rod (601), a sliding groove (603) is formed in the upper end of the locating pin (602), and two groups of rollers (604) are movably connected in the sliding groove (603).

3. The small hole boring tool according to claim 2, wherein: the upper ends of the two groups of rollers (604) are fixedly connected with threaded blocks (609) together, the upper ends of the fixing rods (601) are fixedly connected with baffle plates (610), and the upper ends of the two sides of the locating pins (602) are fixedly connected with connecting rods (605).

4. A small hole boring tool according to claim 3, wherein: two groups connecting rod (605) one end all fixedly connected with slider (607), two groups all swing joint has slide bar (606) in slider (607), two groups slide bar (606) surface all fixedly connected with fixed shell (611), two groups between slider (607) and fixed shell (611) in bottom all fixedly connected with spring (608).

5. The small hole boring tool according to claim 1, wherein: the protection assembly (2) comprises mounting shells (201), wherein two groups of mounting shells (201) are fixedly connected to one end, close to the positioning assembly (6), of the upper surface of the handle (1), two groups of screw rods (203) are fixedly connected to one side of each mounting shell (201), and two groups of limit rods (204) are fixedly connected to the upper surface of each mounting shell (201).

6. The small hole boring tool according to claim 5, wherein: four groups the guard casing (208) are all detachably connected with on gag lever post (204) surface, guard casing (208) both sides all are provided with two sets of hinges (207), two sets of hinge (207) surface all swing joint have mounting panel (205).

7. The small hole boring tool according to claim 6, wherein: the surfaces of the four groups of mounting plates (205) are provided with sixth mounting holes (206) corresponding to the screws (203), and the surfaces of the four groups of screws (203) are in threaded connection with nuts (202).