CN215279911U

CN215279911U - Output shaft capable of being axially and finely adjusted

Info

Publication number: CN215279911U
Application number: CN202121524951.0U
Authority: CN
Inventors: 张天龙
Original assignee: Hangzhou Suneng Machine Co ltd
Current assignee: Hangzhou Suneng Machine Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-24
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a but axial fine setting type output shaft belongs to output shaft technical field, including upper shaft, lower shaft, its characterized in that: the upper shaft central point puts and sets up the mounting hole, and the upper shaft bottom sets up outer step, and outer step surface middle part sets up main draw-in groove, and the upper shaft below sets up fine setting nut, and fine setting nut upper portion central point puts and sets up interior step, and interior step surface middle part sets up vice draw-in groove, sets up the elastic ring between vice draw-in groove and the main draw-in groove, elastic ring and vice draw-in groove, the equal joint of main draw-in groove, and the lower shaft middle part sets up screw thread portion, fine setting nut and last screw thread portion threaded connection, the utility model discloses make the lower shaft can follow the mounting hole and upwards or move down in vertical direction to satisfy more requirements to the depth of processing to the hole, compare in traditional output shaft and can only make the drill bit realize the limitation that moves down, the adaptability of this output shaft obviously promotes, no matter the drill bit shifts up simultaneously, moves down or is in operating condition, and the homoenergetic keeps sufficient stability.

Description

Output shaft capable of being axially and finely adjusted

Technical Field

The utility model relates to an output shaft technical field specifically is a but axial fine setting type output shaft.

Background

In the field of mechanical processing, an output shaft is an indispensable important part in the processing process of holes, the traditional processing of the holes is relatively rough, the requirement of the market on the processing precision is continuously improved, particularly when the requirement on the processing depth of the holes is higher, the drill bit connected with the output shaft is required to realize fine adjustment in the axial direction, the traditional output shaft only can realize downward movement of the drill bit, but cannot move upwards, so the adaptability is not good, in addition, the drill bit and the output shaft are only connected through the screw thread, and the stability is difficult to maintain for a long time, and based on the situation, how to effectively improve the adaptability of the output shaft, therefore, the drill bit connected with the drill bit can move upwards and downwards in the vertical direction, and meanwhile, the drill bit can keep enough stability no matter the drill bit moves upwards, downwards or is in a working state, and the problem which needs to be solved by related technicians is more and more serious.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a but axial fine setting type output shaft.

The utility model provides a but axial fine setting type output shaft, includes upper shaft, lower shaft, its characterized in that: the upper shaft center position sets up the mounting hole, the upper shaft bottom sets up outer step, outer step surface middle part sets up main draw-in groove, the upper shaft below sets up fine setting nut, fine setting nut upper portion center position sets up interior step, interior step surface middle part sets up vice draw-in groove, vice draw-in groove with set up the elastic ring between the main draw-in groove, the elastic ring with vice draw-in groove, the equal joint of main draw-in groove, the lower shaft middle part sets up screw thread portion, fine setting nut with go up screw thread portion threaded connection.

Furthermore, a fastening inclined plane is arranged on one side of the upper portion of the lower shaft, a fastening screw hole penetrates through one side of the upper shaft, the horizontal distance between the fastening inclined plane and the fastening screw hole is gradually reduced from bottom to top, and the fastening screw hole is gradually extended upwards from the outer wall of the upper shaft.

Furthermore, a key groove is formed in one side of the lower shaft, a key is arranged on one side, close to the key groove, of the upper mounting hole, and the key is fixedly connected with the upper shaft.

Furthermore, the top of the upper mounting hole is provided with an exhaust hole, and one end of the exhaust hole penetrates through the upper shaft.

Furthermore, a connecting seat is arranged on the lower portion of the lower shaft, a lower mounting hole is formed in the center of the lower portion of the connecting seat, a lower threaded portion is formed in the lower portion of the connecting seat, a locking nut is arranged below the lower shaft, and the locking nut is in threaded connection with the lower threaded portion.

Further, the lower mounting hole is in a truncated cone shape.

Further, the elastic ring is an elastic metal ring with one point opened.

The utility model discloses a but beneficial effect of axial fine setting type output shaft does:

1. under the support of the elastic ring, a worker only needs to screw the fine adjustment nut, and the fine adjustment nut can be connected with the upper thread part through threads, so that the lower shaft can move upwards or downwards along the upper mounting hole in the vertical direction, more requirements on the processing depth of the hole are met, and compared with the traditional output shaft, the limitation that the drill bit can only move downwards is realized, and the adaptability of the output shaft is obviously improved;

2. the lower shaft is kept stable by threaded connection of the fine adjustment nut and the upper threaded part, and a worker only needs to screw the concave end set screw into the set screw hole, so that the stability of the lower shaft can be enhanced by abutting the concave end set screw and the set inclined plane, the stability of the lower shaft is further enhanced by the fit of a key inside the upper shaft and a key groove on one side of the lower shaft and the pressure on the lower shaft generated by the fit, so that the drill bit can keep enough stability no matter the drill bit moves up and down or is in a working state;

3. when the drill bit top is thick, the staff only need place the drill bit top in down the mounting hole inside, with lock nut by the drill bit bottom move up until twist lock nut and make its and lower screw thread portion zonulae occludens, can be through the drill bit top with mounting hole upper portion extrusion deformation down to the stability of drill bit installation is showing and is promoted.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the protection scope of the present invention is not limited thereto.

Fig. 1 is a schematic structural view of an output shaft of the present invention, which can be axially fine-tuned;

fig. 2 is a schematic structural diagram of an upper shaft of an axially fine-adjustable output shaft according to the present invention;

fig. 3 is a schematic structural view of a lower shaft of an output shaft capable of being axially finely adjusted according to the present invention;

fig. 4 is a schematic structural view of a fine adjustment nut of an axially fine-adjustable output shaft according to the present invention;

fig. 5 is a partially enlarged view of a portion a in fig. 1.

The locking mechanism comprises a base, a locking nut, a locking screw, a locking bevel and a locking bevel, wherein the locking bevel is 1-upper shaft, 2-fine-tuning nut, 3-lower shaft, 4-locking nut, 11-outer step, 9-upper mounting hole, 12-upper threaded part, 13-connecting seat, 14-lower threaded part, 15-lower mounting hole, 16-inner step, 17-auxiliary clamping groove and 18-elastic ring.

Detailed Description

For the sake of clarity, the present invention will be further described with reference to fig. 1 to 5 of the drawings.

The utility model provides a but axial fine setting type output shaft, includes upper shaft 1, lower shaft 3, its characterized in that: the utility model discloses an upper shaft, including upper shaft 1, step 16, upper shaft 1, lower shaft 1, upper shaft 1, fine setting nut 2, step 16 in the 2 upper portions central points of position sets up, 16 surperficial middle parts of interior step set up vice draw-in groove 17, vice draw-in groove 17 with set up elastic ring 18 between the main draw-in groove 7, elastic ring 18 with vice draw-in groove 17, the equal joint of main draw-in

groove

7, 3 middle parts of lower shaft set up screw thread portion 12, fine setting nut 2 with go up screw thread portion 12 threaded connection.

Furthermore, a fastening inclined plane 11 is arranged on one side of the upper portion of the lower shaft 3, a fastening screw hole 6 is arranged on one side of the upper shaft 1 in a penetrating mode, the horizontal distance between the fastening inclined plane 11 and the fastening screw hole 6 is gradually reduced from bottom to top, and the fastening screw hole 6 gradually extends upwards from the outer wall of the upper shaft 1.

Furthermore, a key groove is formed in one side of the lower shaft 3, a key 5 is arranged on one side, close to the key groove, of the upper mounting hole 9, and the key 5 is fixedly connected with the upper shaft 1.

Furthermore, the top of the upper mounting hole 9 is provided with an exhaust hole 10, and one end of the exhaust hole 10 penetrates through the upper shaft 1.

Further, a connecting seat 13 is arranged at the lower part of the lower shaft 3, a lower mounting hole 15 is arranged at the central position of the lower part of the connecting seat 13, a lower threaded part 14 is arranged at the lower part of the connecting seat 13, a locking nut 4 is arranged below the lower shaft 3, and the locking nut 4 is in threaded connection with the lower threaded part 14.

Further, the lower mounting hole 15 has a truncated cone shape.

Further, the elastic ring 18 is an elastic metal ring with one point opened.

The utility model discloses a but theory of operation of axial fine setting type output shaft does: the elastic ring 18 is arranged in the main clamping groove 7 and is attached to the main clamping groove 7, the fine adjustment nut 2 moves upwards from the bottom of the upper shaft 1 until the inner step 16 is completely attached to the outer step 8, at the moment, the elastic ring 18 recovers to the original state and is respectively connected with the auxiliary clamping groove 17 and the main clamping groove 7 in a clamping manner, the lower shaft 3 is screwed into the upper mounting hole 9 through the fine adjustment nut 2 until the required height is reached, the concave end set screw is screwed into the set screw hole 6 until the concave end set screw is abutted to the set inclined surface 11, the horizontal distance between the set inclined surface 11 and the set screw hole 6 is gradually reduced from bottom to top, the set screw hole 6 gradually extends upwards from the outer wall of the upper shaft 1, so that the lower shaft 3 is always subjected to upward force from the concave end set screw, the lower shaft 3 is always kept stable in combination with extrusion between the key 5 and the key groove, the selected drill bit top is arranged in the lower mounting hole 15, the drill bit 4 moves upwards from the bottom and screws the locking nut 4 to be tightly connected with the lower thread part 14, can make drill bit and connecting seat 13 stable connection, and then can begin the processing work in hole, when the drill bit height is adjusted to needs, take off concave end holding screw, twist and move fine setting nut 2, can make lower shaft 3 upwards or move down together with the drill bit, when the drill bit reaches required height, twist concave end holding screw into inside holding screw 6 again, can begin processing work again, twist the in-process and get into the air of last mounting hole 9 by the gap between 12 screw threads of last screw portion in time by exhaust hole 10 discharges, it leads to twisting the process not smooth to avoid last mounting hole 9 inside to have the air.

The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a but axial fine setting type output shaft, includes upper shaft (1), lower shaft (3), its characterized in that: go up axle (1) central point and put mounting hole (9) of setting up, go up axle (1) bottom sets up outer step (8), outer step (8) surface middle part sets up main slot (7), go up axle (1) below sets up fine setting nut (2), fine setting nut (2) upper portion central point puts and sets up interior step (16), interior step (16) surface middle part sets up vice draw-in groove (17), vice draw-in groove (17) with set up elastic ring (18) between main slot (7), elastic ring (18) with vice draw-in groove (17), the equal joint of main slot (7), lower shaft (3) middle part sets up screw thread portion (12), fine setting nut (2) with go up screw thread portion (12) threaded connection.

2. The output shaft capable of being finely adjusted in the axial direction according to claim 1, wherein a fastening inclined surface (11) is arranged on one side of the upper portion of the lower shaft (3), a fastening screw hole (6) is arranged on one side of the upper shaft (1) in a penetrating manner, the horizontal distance between the fastening inclined surface (11) and the fastening screw hole (6) is gradually reduced from bottom to top, and the fastening screw hole (6) gradually extends upwards from the outer wall of the upper shaft (1).

3. An output shaft of the axially fine-adjustable type according to claim 1, wherein a key groove is formed on one side of the lower shaft (3), a key (5) is formed on one side of the upper mounting hole (9) close to the key groove, and the key (5) is fixedly connected with the upper shaft (1).

4. An output shaft of the axially fine-adjustable type as claimed in claim 1, wherein a vent hole (10) is provided on the top of the upper mounting hole (9), and one end of the vent hole (10) penetrates through the upper shaft (1).

5. An output shaft capable of being finely adjusted axially according to claim 1, wherein a connecting seat (13) is provided at the lower part of the lower shaft (3), a lower mounting hole (15) is provided at the lower central position of the connecting seat (13), a lower threaded part (14) is provided at the lower part of the connecting seat (13), a locking nut (4) is provided below the lower shaft (3), and the locking nut (4) is in threaded connection with the lower threaded part (14).

6. An axially vernier output shaft according to claim 5, wherein the lower mounting hole (15) is frusto-conical in shape.

7. An axially vernier type output shaft according to claim 1, wherein the resilient ring (18) is a resilient metal ring with one of its points open.