CN215919111U

CN215919111U - Boring bar telescoping device

Info

Publication number: CN215919111U
Application number: CN202122305319.3U
Authority: CN
Inventors: 孙奇; 宋宪龙
Original assignee: Qiqihar Shutong Precision Manufacturing Co ltd
Current assignee: Qiqihar Shutong Precision Manufacturing Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-01
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a boring bar telescoping device, which comprises a motor fixedly connected with one end of the bottom in a box body, wherein the output end of the motor is fixedly connected with one end of a worm, one side in the box body is rotatably connected with a screw, the periphery of the screw is fixedly connected with a worm wheel, one end of the periphery of the screw penetrates through the inner side of a groove in the middle of a connecting plate and is in threaded connection with the inner side of a second boring bar, one end of the periphery of the second boring bar is in sliding connection with the inner side of a sliding cylinder, the other end of the periphery of the second boring bar penetrates through the sliding cylinder and extends outwards, two bolts are in threaded connection with the top and the bottom of one end of the second boring bar, the inner side of a sliding groove is in sliding connection with a first boring bar, and grooves are formed in the top and the bottom of the sliding groove. According to the utility model, the second boring rod is adjusted to realize large-distance adjustment, the first boring rod is adjusted to realize small-distance fine adjustment, and the device is very convenient to use and high in practicability.

Description

Boring bar telescoping device

Technical Field

The utility model relates to the technical field of boring bars of boring machines, in particular to a boring bar telescopic device.

Background

The boring bar is a connecting bar of a boring machine, a deep hole drilling and boring machine, a corresponding drill bit, a corresponding boring, a corresponding rolling head and a corresponding combined boring and rolling head, the length of a single-section bar is 0.5 meter, 1.2 meters, 1.5 meters, 1.7 meters and 2 meters, so that the boring bar is suitable for different machine tools and different processing depths, and the processing technology of the boring bar needs rough turning, boring, external grinding, heat treatment, electroplating and nitriding chemical heat treatment.

The length of the traditional boring rod is usually fixed and unchangeable, and cannot be adjusted according to requirements, so that the boring rod is very inconvenient to use and low in practicability.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a boring bar telescopic device.

In order to achieve the purpose, the utility model adopts the following technical scheme: the boring bar telescoping device comprises a box body, wherein one end of the bottom in the box body is fixedly connected with a motor, the output end of the motor is fixedly connected with one end of a worm, the other end of the worm is rotatably connected with the bottom of a fixed block, one side in the box body is rotatably connected with a screw, the periphery of the screw is fixedly connected with a worm wheel, one end of the periphery of the screw penetrates through the inner side of a slot in the middle of a connecting plate and is in threaded connection with the inner side of a second boring bar, one end of the periphery of the second boring bar is slidably connected with the inner side of a sliding cylinder, one end of the periphery of the sliding cylinder penetrates through the other side in the box body and extends, the other end of the periphery of the second boring bar penetrates through the sliding cylinder and extends outwards, the top and the bottom of one end of the second boring bar are both in threaded connection with two bolts, one side of the second boring bar is provided with a sliding groove, and the inner side of the sliding groove is slidably connected with a first boring bar, the top and the bottom of spout all are provided with the recess.

As a further description of the above technical solution:

the periphery of the bolt penetrates through the second boring bar and extends to the inner side of the groove.

As a further description of the above technical solution:

the top of the fixed block is fixedly connected to one end of the top in the box body.

As a further description of the above technical solution:

the top and the bottom of the connecting plate are respectively and fixedly connected with the top and the bottom in the box body.

As a further description of the above technical solution:

the top and the bottom of slide cartridge all fixed connection are in the one end of fixing base, the equal fixed connection of the other end of fixing base is in the inboard of box.

As a further description of the above technical solution:

the worm and the worm wheel are in meshed connection.

As a further description of the above technical solution:

the inner cavity of the sliding cylinder and the second boring bar are square.

As a further description of the above technical solution:

and the inner side of the second boring bar is provided with internal threads corresponding to the peripheral threads of the screw.

The utility model has the following beneficial effects:

according to the utility model, the output end is driven by the positive and negative driving of the motor to drive the worm, the worm drives the worm wheel, the worm wheel drives the screw to rotate, the rotation of the screw enables the second boring rod to slide left and right in the sliding cylinder, so that the second boring rod can stretch and adjust the length to realize large-distance adjustment, meanwhile, the bolt is screwed to separate from the second boring rod, so that the first boring rod can slide in the sliding groove and is pressed in the groove after sliding to a proper position, then the bolt is connected through threads and penetrates through the second boring rod to fix the first boring rod, and the first boring rod is finely adjusted at a small distance.

Drawings

FIG. 1 is a structural view of a boring bar retracting device according to the present invention;

FIG. 2 is a cross-sectional view of the boring bar retracting device according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an enlarged view at B in fig. 2.

Illustration of the drawings:

1. a box body; 2. a slide cylinder; 3. a bolt; 4. a first boring bar; 5. a second boring bar; 6. a fixed block; 7. a screw; 8. a fixed seat; 9. a connecting plate; 10. a motor; 11. a worm; 12. a worm gear; 13. grooving; 14. a chute; 15. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: a boring bar telescoping device comprises a box body 1, wherein one end of the bottom in the box body 1 is fixedly connected with a motor 10, the output end of the motor 10 is fixedly connected with one end of a worm 11, the other end of the worm 11 is rotatably connected with the bottom of a fixed block 6, the output end is driven by the motor 10 in a positive and negative mode, the worm 11 is driven by the rotation of the output end, one side in the box body 1 is rotatably connected with a screw 7, the periphery of the screw 7 is fixedly connected with a worm wheel 12, the worm 11 can drive the worm wheel 12, the worm wheel 12 drives the screw 7 to rotate, one end of the periphery of the screw 7 penetrates through the inner side of a slot 13 in the middle of a connecting plate 9 and is in threaded connection with the inner side of a second boring bar 5, one end of the periphery of the second boring bar 5 is slidably connected with the inner side of a sliding barrel 2, one end of the periphery of the sliding barrel 2 penetrates through the other side in the box body 1 and extends, and the second boring bar 5 slides left and right in the sliding barrel 2 due to the rotation of the screw 7, thereby the length of the second boring bar 5 is adjusted in a telescopic way, the large distance adjustment is realized, meanwhile, the bulge on one side of the periphery of the second boring bar 5 is matched with one side inside the sliding cylinder 2 to play a limiting role, the failure caused by the fact that the second boring bar 5 slides out of the sliding cylinder 2 is avoided, the other end of the periphery of the second boring bar 5 penetrates through the sliding cylinder 2 and extends outwards, the top and the bottom of one end of the second boring bar 5 are both connected with two bolts 3 in a threaded way, one side of the second boring bar 5 is provided with a sliding groove 14, the inner side of the sliding groove 14 is connected with a first boring bar 4 in a sliding way, the top and the bottom of the sliding groove 14 are both provided with grooves 15, the bolts 3 are screwed to separate from the second boring bar 5, the first boring bar 4 can slide in the sliding groove 14, and when the first boring bar slides to a proper position, the first boring bar 4 is connected through the bolt 3 and penetrates through the second boring bar 5 to be pressed in the groove 15 in a pressing mode, so that the first boring bar 4 is fixed, and fine adjustment of the first boring bar 4 at a small distance is achieved.

The periphery of the bolt 3 penetrates through the second boring bar 5 and extends to the inner side of the groove 15, the bolt 3 is in threaded connection and penetrates through the second boring bar 5 to be abutted against and pressed in the groove 15, the first boring bar 4 is fixed, the top of the fixing block 6 is fixedly connected to one end of the top in the box body 1, the top and the bottom of the connecting plate 9 are fixedly connected to the top and the bottom in the box body 1 respectively, the top and the bottom of the sliding cylinder 2 are fixedly connected to one end of the fixing seat 8, the other end of the fixing seat 8 is fixedly connected to the inner side of the box body 1, the stability of the sliding cylinder 2 is enhanced through the fixing seat 8, the phenomenon that the sliding cylinder 2 shakes after long-term use is avoided, the worm 11 and the worm wheel 12 are in meshed connection, the inner cavity of the sliding cylinder 2 and the second boring bar 5 are both square, the square second boring bar 5 slides in the square inner cavity of the sliding cylinder 2 to play a limiting role, and the second boring bar 5 is prevented from rotating along with the rotation of the screw 7, the inner side of the second boring bar 5 is provided with an internal thread corresponding to the outer peripheral thread of the screw 7.

The working principle is as follows: the output end is driven forwards and backwards through the motor 10, the worm 11 is driven by the rotation of the output end, the worm 11 drives the worm wheel 12, the rotating worm wheel 12 can drive the screw 7 to rotate, the second boring rod 5 slides left and right in the sliding cylinder 2 due to the rotation of the screw 7, the second boring rod 5 is made to stretch and adjust the length, large-distance adjustment is achieved, meanwhile, the bolt 3 is screwed to be separated from the second boring rod 5, the first boring rod 4 can slide in the sliding groove 14 to be slid to a proper position, the bolt 3 is connected through threads and penetrates through the second boring rod 5 to be pressed in the groove 15, the first boring rod 4 is fixed, small-distance fine adjustment of the first boring rod 4 is achieved, and the use is very convenient.

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 or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a boring bar telescoping device, includes box (1), its characterized in that: one end of the bottom in the box body (1) is fixedly connected with a motor (10), the output end of the motor (10) is fixedly connected with one end of a worm (11), the other end of the worm (11) is rotatably connected with the bottom of a fixed block (6), one side in the box body (1) is rotatably connected with a screw rod (7), the periphery of the screw rod (7) is fixedly connected with a worm wheel (12), one end of the periphery of the screw rod (7) penetrates through the inner side of a slot (13) in the middle of a connecting plate (9) and is connected with the inner side of a second boring bar (5) in a threaded manner, one end of the periphery of the second boring bar (5) is slidably connected with the inner side of a sliding cylinder (2), one end of the periphery of the sliding cylinder (2) penetrates through the other side in the box body (1) and extends, the other end of the periphery of the second boring bar (5) penetrates through the sliding cylinder (2) and extends outwards, and the top and the bottom of one end of the second boring bar (5) are both in a threaded manner connected with two bolts (3), one side of the second boring bar (5) is provided with a sliding groove (14), the inner side of the sliding groove (14) is connected with the first boring bar (4) in a sliding mode, and the top and the bottom of the sliding groove (14) are provided with grooves (15).

2. The boring bar retracting device of claim 1, wherein: the periphery of the bolt (3) penetrates through the second boring bar (5) and extends to the inner side of the groove (15).

3. The boring bar retracting device of claim 1, wherein: the top of the fixed block (6) is fixedly connected with one end of the top in the box body (1).

4. The boring bar retracting device of claim 1, wherein: the top and the bottom of the connecting plate (9) are respectively and fixedly connected with the top and the bottom in the box body (1).

5. The boring bar retracting device of claim 1, wherein: the top and the bottom of the sliding cylinder (2) are fixedly connected to one end of the fixing seat (8), and the other end of the fixing seat (8) is fixedly connected to the inner side of the box body (1).

6. The boring bar retracting device of claim 1, wherein: the worm (11) and the worm wheel (12) are in meshed connection.

7. The boring bar retracting device of claim 1, wherein: the inner cavity of the sliding cylinder (2) and the second boring bar (5) are square.

8. The boring bar retracting device of claim 1, wherein: the inner side of the second boring bar (5) is provided with internal threads corresponding to the peripheral threads of the screw (7).