CN223916756U

CN223916756U - Axial fine adjustment mechanism for end mill of multi-shaft power box

Info

Publication number: CN223916756U
Application number: CN202520375219.3U
Authority: CN
Inventors: 董爱民
Original assignee: Shanghai Jinke Machinery Manufacturing Co ltd
Current assignee: Shanghai Jinke Machinery Manufacturing Co ltd
Priority date: 2025-03-05
Filing date: 2025-03-05
Publication date: 2026-02-17
Anticipated expiration: 2035-03-05

Abstract

This utility model discloses an axial fine-tuning mechanism for end mills using a multi-axis power supply unit. The mechanism includes a housing, with a motor mounted on the upper side of one side. The motor's rotation shaft passes through the housing and is fixedly connected to the power input shaft. Power transmission shafts are located on both sides of the housing below the power input shaft. Four power output shaft tubes are arranged in a matrix below the power transmission shafts within the housing. Long bolts are inserted into each power output shaft tube. A Morse taper shank cutter sleeve is located in the middle of the side of the power output shaft tube away from the motor. An end mill is housed within the Morse taper shank cutter sleeve. Two symmetrical push blocks are located at one end of the Morse taper shank cutter sleeve inside the power output shaft tube. Adjusting bolts are located at the ends of the push blocks on the power output shaft tube. This fine-tuning mechanism is inexpensive to manufacture, facilitates end mill position adjustment, effectively solves the problem of difficult adjustment of multi-axis power supply units, and ensures the accuracy of end mill adjustment.

Description

Axial fine adjustment mechanism for end mill of multi-shaft power box

Technical Field

The utility model relates to the technical field of multi-shaft power box end mills, in particular to an axial fine adjustment mechanism of a multi-shaft power box end mill.

Background

The milling head assembly connected with the power unit needs to adopt a combination mode of a plurality of milling heads, so that the milling head assembly can perform multi-milling process at one time, the processing period of steel or plates is greatly shortened, the existing multi-shaft power box end mill is adjusted in position of a cutter, a worker is required to pull out or push the end mill after loosening a collet, and therefore the aim of adjusting the position of the end mill is achieved.

Disclosure of utility model

In order to solve the problems, the utility model provides an axial fine adjustment mechanism of a multi-shaft power box end mill. The utility model solves the problems that the existing multi-shaft power box end mill is difficult to adjust the end mill to a precise position once and can not ensure that the collet can lock the end mill tightly, thus being unfavorable for the use of the end mill.

The axial fine adjustment mechanism of the multi-shaft power box end mill comprises a box body, wherein a motor is arranged at the upper end of one side of the box body, a rotating shaft of the motor penetrates through a power input shaft of the box body to be fixedly connected, a first gear is arranged at one side, far away from the motor, of the power input shaft, power transmission shafts are arranged at two sides, located below the power input shaft, of the box body, second gears meshed with the first gears are arranged on the power transmission shafts, four power output shaft pipes which are arranged in a matrix mode are arranged below the power transmission shafts in the box body, a third gear matched with the second gears is arranged on the power output shaft pipes, long bolts are inserted into the power output shaft pipes, a Morse handle sleeve is arranged at the middle of one side, far away from the motor, of the power output shaft pipes and is in threaded connection with the Morse handle sleeve, end milling cutters are arranged in the Morse handle sleeve, two symmetrical push blocks are arranged at one ends, guide grooves matched with the push blocks are arranged on the power output shaft pipes, and adjusting bolts are arranged at the ends of the push blocks.

In the scheme, one side, close to each other, of the adjusting bolt and the pushing block is set to be an arc surface.

In the scheme, a torque key pin is arranged between the power output shaft tube and the Morse handle cutter sleeve, and limit grooves matched with the torque key pin are formed in the power output shaft tube and the Morse handle cutter sleeve.

In the scheme, a gasket is arranged between the long bolt and the power output shaft tube.

In the above scheme, the box lower extreme both sides all are equipped with a plurality of mounting holes that the equidistance was arranged.

The axial fine adjustment mechanism for the multi-shaft power box end mill has the advantages that when the power output shaft tube rotates, the Morse handle cutter sleeve can drive the end mill to rotate through the transmission of the torque key pin, the long bolt is rotated, the long bolt is separated from the Morse handle cutter sleeve, the adjusting bolt rotates clockwise, the inner end of the adjusting bolt can be in contact with the pushing block, the Morse handle cutter sleeve and the end mill can move towards one side of the power output shaft tube at the moment, when the end mill moves to a set position, the long bolt is rotated, the long bolt is connected with the Morse handle cutter sleeve again, the internal shrinkage adjustment of the end mill can be completed, and when the adjusting bolt rotates reversely, the adjusting bolt pushes the pushing block, and the external shrinkage adjustment of the end mill can be completed. The fine adjustment mechanism is simple in structure, low in manufacturing cost, easy to popularize, convenient to adjust in the position of the end mill, and capable of effectively solving the problem that the multi-shaft power box is not easy to adjust, and guaranteeing the adjustment accuracy of the end mill.

Drawings

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a first cross-sectional view of the present utility model;

FIG. 3 is a second cross-sectional view of the present utility model;

Fig. 4 is a schematic diagram of a portion a of the present utility model.

In the figure, 1, a box body 2, a motor 3, a power input shaft 4 and a first gear

5. Power transmission shaft 6, second gear 7, power output shaft tube 8, third gear

9. Long bolt 10, morse shank cutter 11, end mill 12, push block

13. Guide groove 14, adjusting bolt 15, torque key pin 16 and gasket

17. And (5) mounting holes.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

As shown in figures 1-4, the axial fine adjustment mechanism of the multi-shaft power box end mill comprises a box body 1, wherein the upper end of one side of the box body 1 is provided with a motor 2, a rotating shaft of the motor 2 penetrates through a power input shaft 3 of the box body 1 to be fixedly connected, one side, far away from the motor 2, of the power input shaft 3 is provided with a first gear 4, two sides, positioned below the power input shaft 3, of the box body 1 are respectively provided with a power transmission shaft 5, the power transmission shafts 5 are respectively provided with a second gear 6 meshed with the first gear 4, four power output shaft pipes 7 which are arranged in a matrix are arranged below the power transmission shafts 5, the power output shaft pipes 7 are respectively provided with a third gear 8 matched with the second gears 6, two ends of the power input shaft 3, the power transmission shafts 5 and the power output shaft pipes 7 are respectively movably connected with the box body 1 through bearings, and when the motor 2 works, the motor 2 drives the power input shaft 3 to rotate, the power input shaft 3 drives the first gear 4 to rotate, the first gear 4 drives the second gear 6 to rotate, the third gear 8 can drive the power output shaft tube 7 to rotate through the transmission of the second gear 6, the long bolt 9 is inserted into the power output shaft tube 7 and is in threaded connection with the power output shaft tube 7, the middle part of one side of the power output shaft tube 7 far away from the motor 2 is provided with a Morse handle cutter sleeve 10, the long bolt 9 is in threaded connection with the Morse handle cutter sleeve 10, an end mill 11 is arranged in the Morse handle cutter sleeve 10, two symmetrical push blocks 12 are arranged at one end of the Morse handle cutter sleeve 10, a guide groove 13 matched with the push blocks 12 is formed in the power output shaft tube 7, an adjusting bolt 14 is arranged at the end part of the power output shaft tube cutter 7, and when the position of the opposite cutter 11 is adjusted, the long bolt 9 is rotated, so that the long bolt 9 is separated from the Morse handle cutter sleeve 10, the adjusting bolt 14 is rotated clockwise, the inner end of the adjusting bolt 14 and the pushing block 12 can be contacted, at the moment, the Morse handle cutter sleeve 10 and the end mill 11 can move towards the side of the power output shaft tube 7, when the end mill 11 moves to a set position, the long bolt 9 is rotated, the long bolt 9 is connected with the Morse handle cutter sleeve 10 again, the inward shrinkage adjustment of the end mill 11 can be completed, and when the adjusting bolt 14 is rotated reversely, the adjusting bolt 14 pushes the pushing block 12, and the outward stretching adjustment of the end mill 11 can be completed.

The side, close to each other, of the adjusting bolt 14 and the pushing block 12 is set to be an arc surface.

Torque key pins 15 are arranged between the power output shaft tube 7 and the Morse handle cutter sleeve 10, limit grooves matched with the torque key pins 15 are formed in the power output shaft tube 7 and the Morse handle cutter sleeve 10, the torque key pins 15 are clamped between the power output shaft tube 7 and the Morse handle cutter sleeve 10, and when the power output shaft tube 7 rotates, the Morse handle cutter sleeve 10 can drive the end mill 11 to rotate through transmission of the torque key pins 15.

A gasket 16 is arranged between the long bolt 9 and the power output shaft tube 7.

The two sides of the lower end of the box body 1 are respectively provided with a plurality of mounting holes 17 which are distributed at equal intervals, and the fine adjustment mechanism can be fixedly mounted through the mounting holes 17.

Specifically, in the utility model, when the motor 2 works, the motor 2 drives the power input shaft 3 to rotate, the power input shaft 3 drives the first gear 4 to rotate, the first gear 4 drives the second gear 6 to rotate, the third gear 8 can drive the power output shaft tube 7 to rotate through the transmission of the second gear 6, the Morse handle cutter sleeve 10 can drive the end mill 11 to rotate through the transmission of the torque key pin 15 when the power output shaft tube 7 rotates, the long bolt 9 is rotated, the long bolt 9 is separated from the Morse handle cutter sleeve 10, the adjusting bolt 14 rotates clockwise, the inner end of the adjusting bolt 14 and the pushing block 12 can move towards the side of the power output shaft tube 7 at the moment, the Morse handle cutter sleeve 10 and the end mill 11 are rotated when the end mill 11 moves to a set position, the long bolt 9 and the Morse handle cutter sleeve 10 are connected again, the adjustment of the inner shrinkage of the opposite mill 11 can be completed, the adjusting bolt 14 pushes the pushing block 12 when the adjusting bolt 14 rotates reversely, and the outer extension adjustment of the opposite mill 11 can be completed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The axial fine adjustment mechanism for the multi-shaft power box end mill comprises a box body (1), and is characterized in that a motor (2) is arranged at the upper end of one side of the box body (1), a rotating shaft of the motor (2) penetrates through a power input shaft (3) of the box body (1), a first gear (4) is arranged on one side, far away from the motor (2), of the power input shaft (3), power transmission shafts (5) are arranged on two sides, which are positioned below the power input shaft (3), of the box body (1), a second gear (6) meshed with the first gear (4) is arranged on the power transmission shafts (5), four power output shaft tubes (7) which are arranged in a matrix are arranged below the power transmission shafts (5) in the box body (1), a third gear (8) matched with the second gear (6) is arranged on the power output shaft tubes (7), a long bolt (9) is inserted into the power output shaft tubes (7), a Morse handle sleeve (10) is arranged in the middle of one side, far away from the motor (2), the long bolt (9) is connected with the Morse handle sleeve (10), two Morse handle sleeves (10) are arranged at one ends of the Morse handle sleeve (10), the power output shaft tube (7) is provided with a guide groove (13) matched with the pushing block (12), and the end part of the power output shaft tube (7) positioned on the pushing block (12) is provided with an adjusting bolt (14).

2. The axial fine adjustment mechanism of a multi-shaft power box end mill according to claim 1, wherein a side of the adjusting bolt (14) and the push block (12) which are close to each other is formed as an arc surface.

3. The axial fine adjustment mechanism of the multi-shaft power box end mill according to claim 1, wherein a torque key pin (15) is arranged between the power output shaft tube (7) and the Morse handle cutter sleeve (10), and limit grooves matched with the torque key pin (15) are formed in the power output shaft tube (7) and the Morse handle cutter sleeve (10).

4. The axial fine adjustment mechanism of the multi-shaft power box end mill according to claim 1, characterized in that a spacer (16) is provided between the long bolt (9) and the power take-off shaft tube (7).

5. The axial fine adjustment mechanism of the multi-shaft power box end mill according to claim 1, wherein a plurality of mounting holes (17) which are equidistantly distributed are arranged on two sides of the lower end of the box body (1).