CN218776064U

CN218776064U - Cutting device for inner and outer grooves of nut

Info

Publication number: CN218776064U
Application number: CN202222600162.1U
Authority: CN
Inventors: 傅梅林; 林传雄; 蒋佳铭
Original assignee: Nan'an Yuezhizhi Machinery Development Co ltd
Current assignee: Nan'an Yuezhizhi Machinery Development Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-03-31
Anticipated expiration: 2032-09-29

Abstract

The utility model provides a simple structure, can be under the condition of not unloading or not changing the cutter cut nut inside and outside groove cutting device of groove in the nut, including the lathe bed, set up in lathe main body on the lathe bed, set up and be used for mounting nut and drive nut pivoted chuck under lathe main body's drive, be provided with the cutter loading board that can slide all around through drive arrangement on the lathe bed, transversely be provided with the first cutter mount pad that is used for installing the cutter of cutting nut outside groove on the cutter loading board, the vertical second cutter mount pad that is used for the installation to penetrate the cutter of nut through-hole inside cutting inside groove that is provided with on the cutter loading board.

Description

Cutting device for inner and outer grooves of nut

Technical Field

The utility model relates to the technical field of machining, in particular to inner and outer groove cutting device of nut.

Background

The nut is screwed together with bolt or screw rod and is used for playing the part of fastening effect, one of the most commonly used nut on the hexagon nut, in the production and processing of hexagon nut, in order to avoid the closed angle of hexagon nut tip too sharply and influence the staff and use, often can chamfer in hexagon and the through-hole of hexagon nut, thereby be convenient for the staff to use hexagon nut, but present cutting device, often only have a cutter can only process hexagon nut outside or hole, need change the cutter or will process half hexagon nut and take off, load again and just can accomplish processing on other cutting device, very inconvenience, influence production efficiency.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a simple structure, can be under the condition of not unloading or not changing the cutter cutting nut inner and outer groove cutting device in the nut.

In order to realize the above object, the technical scheme of the utility model a nut inside and outside groove cutting device is provided, including the lathe bed, set up in lathe main body on the lathe bed, set up and be used for mounting nut and drive nut pivoted chuck under lathe main body's drive, be provided with the cutter loading plate that can slide all around through drive arrangement on the lathe bed, transversely be provided with the first cutter mount pad that is used for installing the cutter of cutting nut outside groove on the cutter loading plate, the vertical second cutter mount pad that is used for the installation to penetrate the cutter of nut through-hole inside cutting inside groove that is provided with on the cutter loading plate.

The further improvement is that: the driving device includes: the tool loading device comprises a tool loading plate, a sliding plate arranged on the tool body through a front-back sliding device, and a left-right sliding device arranged between the tool loading plate and the sliding plate.

The further improvement is that: the back and forth sliding device comprises: the sliding device comprises a sliding rail arranged between the lathe bed and the sliding plate on the lathe bed, and a sliding block arranged at the bottom of the sliding plate and used for enabling the sliding plate to move smoothly on the sliding rail, wherein a first driving device used for driving the sliding plate to slide back and forth is further arranged on the lathe bed.

The further improvement is that: the first driving device includes: the servo telescopic cylinder is arranged on the lathe bed, and a telescopic rod of the servo telescopic cylinder is connected with the sliding plate and used for accurately adjusting the position of the sliding plate on the sliding rail.

The further improvement is that: the left-right sliding device comprises: the tool loading device comprises a sliding groove arranged on the sliding plate, and a sliding convex block arranged on the tool loading plate and used for being matched with the sliding groove, wherein the sliding plate is also provided with an anti-deviation driving device which is used for driving the tool loading plate to slide left and right and can not deviate when being subjected to strong impact.

The further improvement is that: the deviation prevention driving device includes: the tool loading plate comprises a plurality of fixing blocks, a threaded hole, a threaded rod and a driving self-locking device, wherein the fixing blocks are fixedly arranged on the tool loading plate, the threaded hole is formed in the fixing blocks, the threaded rod is arranged on the sliding plate through a rotating device, penetrates through the threaded hole and is meshed with the thread in the threaded hole, and the driving self-locking device is used for driving the threaded rod to rotate and avoiding the threaded rod to rotate.

The further improvement is that: the driving self-locking device comprises: the worm is arranged on the threaded rod and used for driving the threaded rod to rotate, and the worm is arranged on the sliding plate through a second driving device and used for being meshed with the worm wheel so as to drive the worm wheel to rotate and prevent the worm wheel from rotating when the worm is not rotated.

The further improvement is that: the rotating device includes: the two supporting blocks are fixedly arranged on the left side and the right side of the sliding plate, the rotating holes are formed in the supporting blocks, bearings are arranged in the rotating holes, and the threaded rods are arranged in the bearings.

The further improvement is that: the second driving device includes: the speed reduction gear box is fixedly arranged on the sliding plate, one end of the speed reduction gear box is connected with a rotating shaft of the servo rotating motor, and the other end of the speed reduction gear box is connected with the worm and used for accurately controlling the rotation of the worm.

The utility model has the advantages and the beneficial effects that:

1. simple structure is provided with the first cutter mount pad that is used for installing the outer groove of cutting nut and is used for installing the second cutter mount pad of cutting nut through-hole, and the loading has two cutters simultaneously, can be under the condition of not changing the cutter or will process half hexagon nut and take off, loading in addition cutting device again, accomplishes the cutting process to the outer groove in the nut, has reduced work burden, has promoted user's work efficiency, has improved production rate.

2. The deviation-preventing driving device is arranged, the cutter loading plate is pushed through the transmission of the lead screw, so that the cutter is pushed, the cutter loading plate cannot be driven to rotate unless the threaded rod is rotated, and the possibility of deviation of the cutter loading plate caused by overlarge stress between the cutter and the nut is reduced.

Drawings

Fig. 1 is a schematic top view of a nut inner and outer groove cutting device according to the present invention;

FIG. 2 is a schematic side view of a sliding plate of the nut inner and outer groove cutting device of the present invention;

FIG. 3 is a schematic side view of a tool loading plate of a nut inner and outer groove cutting device according to the present invention;

FIG. 4 is an enlarged schematic view of the cutting device A for the inner and outer grooves of the nut of the present invention;

in the figure: 1. a bed body; 2. a lathe body; 3. a chuck; 4. a tool loading plate; 5. a first tool mount; 6. a second tool mount; 7. a sliding plate; 8. a slide rail; 9. a slider; 10. a servo telescopic cylinder; 11. a sliding groove; 12. a sliding projection; 13. a fixed block; 14. a threaded hole; 15. a threaded rod; 16. a support block; 17. rotating the hole; 18. a bearing; 19. a worm gear; 20. a worm; 21. a servo rotating motor; 22. a reduction gear box.

Detailed description of the preferred embodiments

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-4, a nut inner and outer groove cutting device includes a lathe bed 1, a lathe body 2 disposed on the lathe bed 1, and a chuck 3 disposed on the lathe body 2 for mounting a nut and driving the nut to rotate under the driving of the lathe body 2, wherein a tool loading plate 4 capable of sliding back and forth and left and right is disposed on the lathe bed 1 through a driving device, a first tool mounting seat 5 for mounting a tool for cutting an outer groove of the nut is transversely disposed on the tool loading plate 4, a second tool mounting seat 6 for mounting a tool penetrating into an inner groove of a nut through hole is vertically disposed on the tool loading plate, and the driving device includes: and a sliding plate 7 arranged on the lathe bed 1 through a front-back sliding device, and a left-right sliding device is also arranged between the cutter loading plate 4 and the sliding plate 7.

In order to facilitate the user to control the forward and backward sliding of the tool loading plate 4, the forward and backward sliding apparatus includes: the sliding rail 8 is arranged on the bed body 1 and between the bed body 1 and the sliding plate 7, the sliding block 9 is arranged at the bottom of the sliding plate 7 and used for enabling the sliding plate 7 to move smoothly on the sliding rail 8, the bed body 1 is further provided with a first driving device used for driving the sliding plate 7 to slide back and forth, and the first driving device comprises: the servo telescopic cylinder 10 is arranged on the lathe bed 1, and a telescopic rod of the servo telescopic cylinder 10 is connected with the sliding plate 7 and used for accurately adjusting the position of the sliding plate 7 on the sliding rail 8.

In order to facilitate the user to control the left and right sliding of the cutter loading plate 4, the left and right sliding device includes: the tool loading device comprises a sliding groove 11 arranged on the sliding plate, and a sliding convex block 12 which is arranged on the tool loading plate 4 and is used for being matched with the sliding groove 11, wherein the sliding plate 7 is also provided with an anti-deviation driving device which is used for driving the tool loading plate 4 to slide left and right and can not deviate when being subjected to strong impact.

In order to avoid the sliding of the tool loading plate 4 caused by the overlarge stress applied to the tool during cutting, the anti-deviation driving device comprises: the tool loading device comprises a plurality of fixed blocks 13 fixedly arranged on the tool loading plate 4, threaded holes 14 formed in the fixed blocks 13, threaded rods 15 arranged on the sliding plate 7 through rotating devices and penetrating through the threaded holes 14 to be meshed with the threads in the threaded holes 14, and driving self-locking devices used for driving the threaded rods 15 to rotate and avoiding the threaded rods 15 from rotating are further arranged on the sliding plate 7.

In order to reduce the friction when the screw is rotated, the rotating means comprises: the two support blocks 16 are fixedly arranged on the left side and the right side of the sliding plate 7, the rotating holes 17 are formed in the support blocks 16, bearings 18 are arranged in the rotating holes 17, and the threaded rods are arranged in the bearings 18.

In order to avoid the nut from being damaged due to the fact that the cutting process of the nut is disturbed as the threaded rod 15 rotates freely, the driving self-locking device comprises: a worm wheel 19 provided on the threaded rod 15 for driving the threaded rod 15 to rotate, and a worm 20 provided on the sliding plate 7 for engaging with the worm wheel 19 to drive the worm wheel 19 to rotate and preventing the worm wheel 19 from rotating when not rotating, the second driving device comprising: a servo rotating motor 21 fixedly arranged on the sliding plate 7, and a reduction gear box 22 with one end connected with the rotating shaft of the servo rotating motor 21 and the other end connected with the worm 20 for precisely controlling the rotation of the worm 20.

The working principle is as follows: when the nut is installed, a proper cutter is selected according to the size of the nut and different materials, then the cutter for cutting the outer groove is installed on the first cutter installation seat 5, and then the cutter for cutting the nut through hole is installed on the second cutter installation seat 6.

Subsequently, the nut is installed on the chuck 3, the lathe body 2 works to drive the chuck 3 to start rotating, at the moment, the servo telescopic motor works to drive the sliding plate 7 to slide along the sliding rail 8 to be close to the nut on the chuck 3, meanwhile, the servo rotating motor 21 works to drive the worm 20 to rotate, so that the worm wheel 19 and the threaded rod 15 are driven to rotate, the cutter loading plate 4 slides left and right along the sliding groove 11, and the cutter on the first cutter installation seat 5 gradually approaches to the nut to cut the outer groove of the nut.

After the outer groove is cut, the servo telescopic cylinder 10 works to drive the sliding plate 7 to slide, so that the outer groove of the nut stops being cut, then the servo rotating motor 21 works to enable the cutter on the second cutter seat to be aligned with the through hole in the nut, the servo telescopic cylinder 10 works again to enable the cutter to penetrate into the through hole of the nut, and finally the servo rotating motor 21 works to enable the cutter to gradually approach the inner wall of the through hole of the nut to cut the inner groove of the nut, so that the outer groove in the nut can be cut.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents.

Claims

1. The utility model provides an inside and outside groove cutting device of nut, includes the lathe bed, set up in lathe body on the lathe bed, set up and be used for the mounting nut on lathe body and drive nut pivoted chuck under lathe body's drive, its characterized in that: the lathe body is provided with a cutter loading plate capable of sliding front and back, left and right through a driving device, a first cutter mounting seat used for mounting a cutter for cutting the outer groove of the nut is transversely arranged on the cutter loading plate, and a second cutter mounting seat used for mounting a cutter for cutting the inner groove in the through hole of the nut is vertically arranged on the cutter transferring plate.

2. The nut inside and outside groove cutting device according to claim 1, characterized in that: the driving device includes: the front and back sliding devices are arranged on the sliding plate on the lathe bed, and the left and right sliding devices are arranged between the cutter loading plate and the sliding plate.

3. The nut inside and outside groove cutting device according to claim 2, characterized in that: the back and forth sliding device comprises: the sliding device comprises a sliding rail arranged between the lathe bed and the sliding plate on the lathe bed, and a sliding block arranged at the bottom of the sliding plate and used for enabling the sliding plate to move smoothly on the sliding rail, wherein a first driving device used for driving the sliding plate to slide back and forth is further arranged on the lathe bed.

4. A nut inner and outer groove cutting device according to claim 3, characterized in that: the first driving device includes: the servo telescopic cylinder is arranged on the lathe bed, and a telescopic rod of the servo telescopic cylinder is connected with the sliding plate and used for accurately adjusting the position of the sliding plate on the sliding rail.

5. The nut inside and outside groove cutting device according to claim 2, characterized in that: the left-right sliding device comprises: the tool loading device comprises a sliding groove arranged on the sliding plate, and a sliding convex block arranged on the tool loading plate and used for being matched with the sliding groove, wherein the sliding plate is also provided with an anti-deviation driving device which is used for driving the tool loading plate to slide left and right and can not deviate when being subjected to strong impact.

6. The nut inside and outside groove cutting device according to claim 5, characterized in that: the deviation prevention driving device includes: the tool loading plate comprises a plurality of fixing blocks, a threaded hole, a threaded rod and a driving self-locking device, wherein the fixing blocks are fixedly arranged on the tool loading plate, the threaded hole is formed in the fixing blocks, the threaded rod is arranged on the sliding plate through a rotating device, penetrates through the threaded hole and is meshed with the thread in the threaded hole, and the driving self-locking device is used for driving the threaded rod to rotate and avoiding the threaded rod to rotate.

7. The nut inner and outer groove cutting device according to claim 6, wherein: the driving self-locking device comprises: the worm is arranged on the threaded rod and used for driving the threaded rod to rotate, and the worm is arranged on the sliding plate through a second driving device and used for being meshed with the worm wheel so as to drive the worm wheel to rotate and prevent the worm wheel from rotating when the worm is not rotated.

8. The nut inner and outer groove cutting device according to claim 6, wherein: the rotating device includes: the two supporting blocks are fixedly arranged on the left side and the right side of the sliding plate, the rotating holes are formed in the supporting blocks, bearings are arranged in the rotating holes, and the threaded rods are arranged in the bearings.

9. The nut inside and outside groove cutting device according to claim 7, wherein: the second driving device includes: the speed reduction gear box is fixedly arranged on the sliding plate, one end of the speed reduction gear box is connected with a rotating shaft of the servo rotating motor, and the other end of the speed reduction gear box is connected with the worm and used for accurately controlling the rotation of the worm.