CN217551169U

CN217551169U - Hand-operated deep hole inner spherical surface turning device

Info

Publication number: CN217551169U
Application number: CN202221188183.0U
Authority: CN
Inventors: 陈洪波; 周峰
Original assignee: Songyuan Qianxing Petroleum Engineering Technology Service Co ltd
Current assignee: Songyuan Qianxing Petroleum Engineering Technology Service Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-10-11
Anticipated expiration: 2032-05-17

Abstract

The utility model belongs to the technical field of the turning, especially, sphere turning device in hand formula deep hole, including the main part, the positive one side of main part is provided with first round pin, and first round pin bottom is provided with the tool bit, and the main part is located first round pin top and is provided with the second round pin, and second round pin surface is provided with the curved bar, and the curved bar bottom is provided with the third round pin. The utility model discloses during the turning, turning handle, pass to the thread bush through the parallel key in step to the rotation of disc, and the thread bush can only rotate, axial displacement can not, thereby force pull rod axial displacement, when handle clockwise rotation, the pull rod moves backward, pull rod pulling curved bar, curved bar pulling eccentric disc makes it wind round pin clockwise rotation, clockwise turning interior sphere is gone out in the work piece hole of rotation to clockwise tool bit, certainly not turning just can accomplish once, need a plurality of times turning just can car out complete interior sphere, make the interior sphere quality that the turning was gone out better, satisfy the operation requirement, the practicality of device has been improved indirectly.

Description

Hand-operated deep hole inner spherical surface turning device

Technical Field

The utility model relates to a turning technical field specifically is sphere turning device in hand formula deep hole.

Background

Turning, namely lathe machining, which is a part of mechanical machining, mainly uses a lathe tool to perform turning machining on a rotating workpiece, and can also use a drill bit, a reamer, a screw tap, a die, a knurling tool and the like to perform corresponding machining on the lathe.

The prior art has the following problems:

the existing hand-operated deep-hole inner spherical surface turning device is poor in quality of turned inner spherical surfaces, cannot meet the use requirement, and indirectly reduces the practicability of the device.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a sphere turning device in hand formula deep hole has solved the relatively poor problem of interior sphere quality to the turning play that exists now.

In order to achieve the above object, the utility model provides a following technical scheme: spherical turning device in hand formula deep hole, comprising a main body, main part openly one side is provided with first round pin, first round pin bottom is provided with the tool bit, the main part is located first round pin top and is provided with the second round pin, second round pin surface is provided with the curved bar, the curved bar bottom is provided with the third round pin, third round pin surface is provided with the pull rod, the pull rod surface is provided with the cutter arbor, the cutter arbor top is provided with the oil cup, cutter arbor one side is provided with the ring flange, ring flange one side is provided with first screw, the pull rod top is located ring flange one side and is provided with the parallel key, the parallel key top is provided with the disc, disc one side is provided with the handle, the pull rod top is located disc one side and is provided with the second screw, pull rod bottom one side is provided with the thread bush, the thread bush bottom is provided with round nut, first round pin is located the tool bit back and is provided with the eccentric disc, main part bottom one side is provided with the third screw.

As a preferred technical scheme of the utility model, first round pin is connected through rotating and is installed in the main part.

As a preferred technical scheme of the utility model, the position of second round pin and the position of third round pin correspond the setting each other.

As an optimized technical scheme of the utility model, the size looks adaptation of size and the pull rod of ring flange.

As an optimized technical scheme of the utility model, the position of flat key corresponds the setting each other with the position of thread bush.

As a preferred technical scheme of the utility model, the size of disc and the size looks adaptation of pull rod.

As an optimized technical scheme of the utility model, the size looks adaptation of second screw, thread bush and round nut.

Compared with the prior art, the utility model provides a sphere turning device in hand formula deep hole possesses following beneficial effect:

this hand formula deep hole inner spherical surface turning device, the clamping of turning front is on the knife rest of lathe and alignment, measure the volume of stretching out of the whole tool bit and fasten according to inner spherical surface diameter size, during the turning, the turning handle, pass to the thread bush in step through the rotation of flat key disc, and the thread bush can only rotate, can not axial displacement, thereby force pull rod axial displacement, when the handle clockwise turning, the pull rod moves backward, pull rod pulling curved bar, curved bar pulling eccentric disc makes it rotate clockwise around the round pin, clockwise pivoted tool bit turns out inner spherical surface in rotatory work piece hole, certainly not once turning can accomplish, it can turn out complete inner spherical surface to need a plurality of lathes, make the inner spherical surface quality that turns out better, satisfy the operation requirement, the practicality of device has been improved indirectly.

Drawings

Fig. 1 shows the inner sphere device of the utility model.

In the figure: 1. a main body; 2. a first round pin; 3. a cutter head; 4. a second round pin; 5. a curved bar; 6. a third round pin; 7. a pull rod; 8. a cutter bar; 9. an oil cup; 10. a flange plate; 11. a first screw; 12. a flat bond; 13. a disc; 14. a handle; 15. a second screw; 16. a threaded sleeve; 17. a round nut; 18. an eccentric disc; 19. and a third screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in the present embodiment: hand-operated deep hole inner spherical surface turning device, which comprises a main body 1, a first round pin 2 is arranged on one side of the front surface of the main body 1, a tool bit 3 is arranged at the bottom end of the first round pin 2, a second round pin 4 is arranged above the first round pin 2 on the main body 1, a curved rod 5 is arranged on the outer surface of the second round pin 4, a third round pin 6 is arranged at the bottom end of the curved rod 5, a pull rod 7 is arranged on the outer surface of the third round pin 6, a tool bar 8 is arranged on the outer surface of the pull rod 7, an oil cup 9 is arranged at the top of the tool bar 8, a flange 10 is arranged on one side of the tool bar 8, a first screw 11 is arranged on one side of the flange 10, a flat key 12 is arranged on one side of the top end of the pull rod 7, a disc 13 is arranged on the top end of the disc 13, a second screw 15 is arranged on one side of the top end of the pull rod 13, a threaded sleeve 16 is arranged on one side of the bottom end of the pull rod 7, a round nut 17 is arranged on the bottom end of the threaded sleeve 16, an eccentric disc 18 is arranged on the back portion of the first round pin 2, an inner hole of the tool bit 3 is arranged on one side of the eccentric disc 18, when the eccentric disc 18 is arranged on the curved rod 5 so that the eccentric disc 18 to drive the eccentric disc to rotate around the first round pin 2, a clockwise spherical surface, and a turning tool bit 3, and a third round pin 1 is arranged on one side of the main body 1.

In the embodiment, the first round pin 2 is rotatably connected and installed on the main body 1, so that the first round pin 2 is convenient to install and fix, and the stability of the first round pin 2 is improved; the position of the second round pin 4 and the position of the third round pin 6 are arranged correspondingly, so that the curved rod 5 can be conveniently installed and supported through the mutual matching of the second round pin 4 and the third round pin 6; the size of the flange plate 10 is matched with that of the pull rod 7, so that the flange plate 10 is convenient to mount and fix, and the stability of the flange plate 10 is improved; the flat key 12 and the threaded sleeve 16 are arranged correspondingly to each other, so that the rotation of the disc 13 is synchronously transmitted to the threaded sleeve 16 through the flat key 12, and the transmission of power is realized; the size of the disc 13 is matched with that of the pull rod 7, so that the disc 13 is convenient to mount and fix, and the stability of the disc 13 is improved; second screw 15, thread bush 16 and round nut 17's size looks adaptation, be convenient for install and fix second screw 15, improve second screw 15's stability.

The utility model discloses a theory of operation and use flow: the front part of the device is a circular rod, the front end of the device is a spherical surface, the diameters of the circular rod and the spherical surface are determined according to the diameters of a deep hole and an inner spherical surface, the diameter is small as much as possible on the premise of enough rigidity so as to smoothly discharge chips, the rear part of the device is square, the size of the circular rod and the spherical surface is determined according to the structural requirement and the size of a tool rest so as to be clamped on the tool rest, the device is clamped and aligned on the tool rest of a lathe before turning, the extension amount of a tool bit 3 is measured and fastened according to the diameter of the inner spherical surface, when turning, a handle 14 is rotated, the rotation of a circular disc 13 is synchronously transmitted to a threaded sleeve 16 through a flat key 12, the threaded sleeve 16 can only rotate but cannot axially move, so that a pull rod 7 is forced to axially move, when the handle 14 rotates clockwise, the pull rod 7 moves backwards, the pull rod 7 pulls a curved rod 5, the curved rod 5 pulls an eccentric disc 18 to rotate clockwise around a first round pin 2, the inner spherical surface is turned in an inner hole of a rotating workpiece by the tool bit 3 rotating clockwise, turning can be finished without once turning, and complete inner spherical surfaces can be turned only by turning for a plurality of times, in the design of the turning device, the tool tip of the tool bit 3 needs to pass through a central line of an SR ball of the turned inner spherical surface, the tool bit 3 needs to have a certain eccentric amount, and can be determined by the size of the tool bit 3 and related parts, the pull rod 7 is offset in the tool bar 8, the sizes of the eccentric amounts L1 and L2, and the L1 and L2 directly influence the movement of the pull rod 7 and the rotation of the eccentric disc 18 in the horizontal and vertical directions, the basic sizes of the L1 and the L2 are determined according to the size calculation of the related parts, the tolerance is +/-0.03 mm, the fit size D1 of the pull rod 7 and the tool bar 8 adopts clearance fit H7/g6, and two holes of the D1 and the D2 need to have higher coaxiality requirements, so that the rotation and the movement are not forceful.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Spherical turning device in hand formula deep hole, its characterized in that: comprises a main body (1), a first round pin (2) is arranged on one side of the front surface of the main body (1), a tool bit (3) is arranged at the bottom end of the first round pin (2), a second round pin (4) is arranged on the upper portion of the main body (1) above the first round pin (2), a curved rod (5) is arranged on the outer surface of the second round pin (4), a third round pin (6) is arranged at the bottom end of the curved rod (5), a pull rod (7) is arranged on the outer surface of the third round pin (6), a tool bar (8) is arranged on the outer surface of the pull rod (7), an oil cup (9) is arranged at the top of the tool bar (8), a flange (10) is arranged on one side of the tool bar (8), a first screw (11) is arranged on one side of the flange (10), a flat key (12) is arranged on one side of the top of the pull rod (7), a disc (13) is arranged on the top of the flat key (12), a handle (14) is arranged on one side of the disc (13), a threaded sleeve (16) is arranged on one side of the top of the pull rod (7), a threaded sleeve (16) is arranged on the bottom end of the first round pin (16), and a first eccentric sleeve (16) is arranged on the back end of the tool bit (3), and a third screw (19) is arranged on one side of the bottom of the main body (1).

2. The hand-operated deep-hole internal spherical surface turning device according to claim 1, characterized in that: the first round pin (2) is installed on the main body (1) through rotating connection.

3. The hand-operated deep-hole internal spherical surface turning device according to claim 1, characterized in that: the position of the second round pin (4) and the position of the third round pin (6) are arranged correspondingly.

4. The hand-operated deep-hole internal spherical surface turning device according to claim 1, characterized in that: the size of the flange (10) is matched with that of the pull rod (7).

5. The hand-operated deep-hole internal spherical surface turning device according to claim 1, characterized in that: the position of the flat key (12) and the position of the threaded sleeve (16) are arranged correspondingly.

6. The hand-operated deep-hole internal spherical surface turning device according to claim 1, characterized in that: the size of the disc (13) is matched with that of the pull rod (7).

7. The hand-operated deep-hole internal spherical surface turning device according to claim 1, characterized in that: the second screw (15) and the threaded sleeve (16) are matched with the round nut (17) in size.