CN217121762U

CN217121762U - Electric spindle with heat dissipation function

Info

Publication number: CN217121762U
Application number: CN202220782435.6U
Authority: CN
Inventors: 单佳荣
Original assignee: Changzhou Furuide Motor Co ltd
Current assignee: Changzhou Furuide Motor Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-08-05
Anticipated expiration: 2032-04-01

Abstract

The utility model relates to the technical field of electric spindles, in particular to an electric spindle with heat dissipation function, which comprises an electric spindle body, wherein a shell is sleeved outside the electric spindle body; one side of the shell is fixedly connected with an installation block; a positioning mechanism is arranged inside the mounting block; the positioning mechanism comprises a first rod, a worm wheel and a clamping plate; a cavity is formed in the mounting block, and the first rod penetrates through and is rotatably connected to the side wall of the mounting block; the worm is sleeved and fixedly connected to the outer part of the first rod; the worm wheel is rotatably connected inside the cavity, and the worm wheel are meshed with each other; a second rod is fixedly connected to the periphery of the worm wheel; one side of the mounting block is provided with a positioning groove; the inner wall of the positioning groove is penetrated and connected with a pressing block in a sliding manner; after the mounting block is positioned, the annular plate is conveniently and subsequently connected with the rack by adopting screws, and the fixing effect of the electric spindle body and the rack is improved.

Description

Electric spindle with heat dissipation function

Technical Field

The utility model relates to an electricity main shaft technical field specifically is an electricity main shaft with heat dissipation function.

Background

The electric spindle is a device integrating a machine tool spindle and a spindle motor, is widely applied to the field of numerical control machines, can realize the processing of workpieces after a cutter is installed at the output end of the electric spindle, and can realize the cooling of the electric spindle by arranging a cooling pipeline inside the electric spindle.

The existing electric spindle is generally installed on a machine tool through a threaded connection mode.

However, the electric spindle is large in size, and when one person operates the electric spindle, one hand is used for supporting the electric spindle, and the other hand is used for screwing a screw, so that the electric spindle is inconvenient to operate, and the phenomenon that the electric spindle slides off from a machine tool easily occurs; therefore, an electric spindle with a heat dissipation function is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, solve current electric main shaft and generally install on the lathe through threaded connection's mode, but electric main shaft itself is great in size, when operating alone, one hand is used for supporting electric main shaft, and the other hand is used for twisting the screw, and it is inconvenient to operate like this, appears the problem of the phenomenon that electric main shaft slided from the lathe easily, the utility model provides an electric main shaft with heat dissipation function.

The utility model provides a technical scheme that its technical problem adopted is: the electric spindle with the heat dissipation function comprises an electric spindle body, wherein a shell is sleeved outside the electric spindle body; one side of the shell is fixedly connected with an installation block; a positioning mechanism is arranged inside the mounting block; the positioning mechanism comprises a first rod, a worm wheel and a clamping plate; a cavity is formed in the inner part of the mounting block, and the first rod penetrates through and is rotatably connected to the side wall of the mounting block; the worm is sleeved and fixedly connected to the outer part of the first rod; the worm wheel is rotatably connected inside the cavity, and the worm wheel are meshed with each other; a second rod is fixedly connected to the periphery of the worm wheel; one side of the mounting block is provided with a positioning groove; the inner wall of the positioning groove is penetrated and is connected with a pressing block in a sliding mode, one side of the clamping plate is fixedly connected to one side, located in the cavity, of the pressing block, and the other side of the clamping plate is connected with the inner wall of the cavity through a spring; after the mounting block is positioned, the annular plate is conveniently and subsequently connected with the rack by adopting screws, and the fixing effect of the electric spindle body and the rack is improved.

Preferably, the outer side wall of the mounting block is fixedly connected with an annular plate, and a plurality of threaded holes are formed in the side wall of the annular plate at equal intervals; the electric spindle body can be tightly connected to the frame.

Preferably, the number of the worms is two, and the gear teeth of the two worms are opposite in rotation direction; the worm gears are also provided with two worm gears, and the gear teeth of the two worm gears are opposite in rotation direction; the positioning block is conveniently clamped.

Preferably, a turntable is fixedly connected to one end of the first rod, which is located outside the cavity, and a third rod is fixedly connected to the top of the turntable; the top of the mounting block is fixedly connected with a supporting block, and the top of the supporting block is provided with a groove; the top and the right side of the groove are both in an open state; a limiting plate is rotationally connected in the groove; the top of the limiting plate is provided with a limiting groove, and the limiting groove is in sliding fit with the third rod; a first magnet piece is fixedly connected to the left side of the limiting plate; a second magnet piece is fixedly connected to the inner wall of the left side of the groove; the clamping effect on the positioning block is improved.

Preferably, a plurality of heat dissipation holes are formed in the surface of the shell at equal intervals, heat dissipation fins are fixedly connected to the surface of the shell, and the heat dissipation holes are located between the two heat dissipation fins; the heat dissipation of the electric spindle body is conveniently realized.

Preferably, the housing is made of a silicon material; the heat radiating fins are made of aluminum material; has better heat dissipation effect on the electric spindle body.

The utility model discloses an useful part lies in:

1. the utility model discloses set up casing and installation piece, drive the worm through a pole and rotate for No. two pole extrusion splint, make two briquetting produce the opposite motion, can press from both sides the locating piece tightly, and then make the installation piece fix in the frame, conveniently realize the location to electric main shaft, through fixing a position the back to the installation piece, convenient follow-up adoption screw is connected annular plate and frame, has also improved the fixed effect of electric main shaft body and frame moreover, and it is also very convenient when operating alone.

2. The utility model discloses set up carousel, No. three poles, supporting shoe and limiting plate, rotated the limiting plate right after a pole rotates appointed angle for No. three poles are blocked in the spacing groove on limiting plate surface, and the motion of No. three poles is restricted this moment, can avoid a pole to produce the rotation at will, is favorable to improving the tight effect of clamp to the locating piece.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic partial cross-sectional view illustrating a structure according to a first embodiment;

fig. 2 is a schematic structural diagram of a limiting plate according to a first embodiment;

FIG. 3 is an enlarged view of a portion of the area A in FIG. 1;

FIG. 4 is an enlarged view of a portion of the area B in FIG. 1;

fig. 5 is a drawing of the second embodiment.

In the figure: 1. an electric spindle body; 2. a housing; 3. mounting blocks; 4. a first rod; 5. a worm; 6. a worm gear; 7. a splint; 8. a second rod; 9. briquetting; 10. a spring; 11. an annular plate; 12. a turntable; 13. a third rod; 14. a support block; 15. a limiting plate; 16. a first magnet piece; 17. a second magnet piece; 18. a heat dissipating fin; 19. a wire arranging plate; 20. a frame; 21. and (5) positioning the blocks.

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 efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, an electric spindle with heat dissipation function includes an electric spindle body 1, wherein a housing 2 is sleeved outside the electric spindle body 1; a mounting block 3 is fixedly connected to one side of the shell 2; a positioning mechanism is arranged inside the mounting block 3; the positioning mechanism comprises a first rod 4, a worm 5, a worm wheel 6 and a clamping plate 7; a cavity is formed in the mounting block 3, and the first rod 4 penetrates through and is rotatably connected to the side wall of the mounting block 3; the worm 5 is sleeved and fixedly connected outside the first rod 4; the worm wheel 6 is rotatably connected inside the cavity, and the worm 5 is meshed with the worm wheel 6; a second rod 8 is fixedly connected to the periphery of the worm wheel 6; one side of the mounting block 3 is provided with a positioning groove; the inner wall of the positioning groove is penetrated and is connected with a pressing block 9 in a sliding mode, one side of the clamping plate 7 is fixedly connected to one side, located in the cavity, of the pressing block 9, and the other side of the clamping plate 7 is connected with the inner wall of the cavity through a spring 10; when the electric spindle body 1 is installed, a positioning block 21 is fixedly connected to the frame 20, then the positioning groove on one side of the installation block 3 is aligned to the positioning block 21, the positioning block 21 is clamped in the positioning groove, then the first rod 4 is rotated, the first rod 4 drives the worm 5 to rotate, the worm 5 drives the worm wheel 6 to rotate, the worm wheel 6 drives the second rod 8 to rotate, the second rod 8 extrudes the clamping plate 7, the clamping plate 7 drives the pressing blocks 9 to move towards the positioning block 21, at the moment, the two pressing blocks 9 move oppositely, the positioning block 21 can be clamped, the installation block 3 is fixed on the frame 20, the installation block 3 is conveniently positioned, after the installation block 3 is positioned, the annular plate 11 is conveniently and subsequently connected with the frame 20 through screws, and the fixing effect of the electric spindle body 1 and the frame 20 is also improved; wherein the spring 10 has a supporting function for the clamping plate 7 and the pressing block 9 and can also reset the clamping plate and the pressing block.

The outer side wall of the mounting block 3 is fixedly connected with an annular plate 11, and a plurality of threaded holes are formed in the side wall of the annular plate 11 at equal intervals; during operation, when the electric spindle body 1 is installed, the installation block 3 is tightly attached to the side wall of the rack 20, the annular plate 11 is also tightly attached to the side wall of the rack 20, and after the two pressing blocks 9 clamp the positioning block 21, the screw is screwed into the threaded hole to realize connection between the annular plate 11 and the rack 20, so that the electric spindle body 1 is tightly connected to the rack 20.

The number of the worms 5 is two, and the gear teeth of the two worms 5 are opposite in rotation direction; the worm gears 6 are also provided with two worm gears 6, and the gear teeth of the two worm gears 6 are opposite in rotation direction; during operation, through the setting of the teeth of a cogwheel of two worms 5 and worm wheel 6 revolve to for worm wheel 6 of both sides produces opposite direction's rotation about installation piece 3, and then makes No. two poles 8 extrude splint 7 simultaneously, makes two briquetting 9 produce the relative motion, realizes pressing from both sides tight to locating piece 21.

One end of the first rod 4, which is positioned outside the cavity, is fixedly connected with a rotary table 12, and the top of the rotary table 12 is fixedly connected with a third rod 13; a supporting block 14 is fixedly connected to the top of the mounting block 3, and a groove is formed in the top of the supporting block 14; the top and the right side of the groove are both in an open state; a limiting plate 15 is rotationally connected in the groove; the top of the limiting plate 15 is provided with a limiting groove, and the limiting groove is in sliding fit with the third rod 13; a first magnet piece 16 is fixedly connected to the left side of the limiting plate 15; a second magnet piece 17 is fixedly connected to the inner wall of the left side of the groove; when the rotary table works, the first rod 4 can be conveniently rotated by arranging the rotary table 12 and the third rod 13; when the first rod 4 rotates to a specified angle, the limiting plate 15 is rotated rightwards, so that the third rod 13 is clamped in the limiting groove on the surface of the limiting plate 15, the movement of the third rod 13 is limited, the first rod 4 can be prevented from rotating randomly, and the clamping effect on the positioning block 21 is improved; the magnetism of the first magnet piece 16 and the second magnet piece 17 on the surfaces contacting with each other is opposite, and when the first magnet piece 16 and the second magnet piece 17 are adsorbed together, the limiting plate 15 can be prevented from automatically rotating.

A plurality of heat dissipation holes are formed in the surface of the shell 2 at equal intervals, heat dissipation fins 18 are fixedly connected to the surface of the shell 2, and the heat dissipation holes are located between the two heat dissipation fins 18; during operation, the radiating holes are formed in the surface of the shell 2, so that the electric spindle body 1 is radiated, and the radiating fins 18 are also favorable for radiating the electric spindle body 1.

The housing 2 is made of silicon material; the heat radiating fins 18 are made of an aluminum material; during operation, silicon is a non-metal material with good heat conducting performance, the shell 2 made of silicon has a good heat dissipation effect on the electric spindle body 1, and aluminum is a metal material with good heat conducting performance.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a wire arranging plate 19 is fixedly connected to the top of the housing 2, and a wire releasing hole is formed on the surface of the wire arranging plate 19; during operation, through setting up reason line board 19 at the top of casing 2 to set up the unwrapping wire hole on arranging line board 19, make cable and the pipeline of electricity main shaft pass the unwrapping wire hole, can avoid cable and pipeline phenomenon that the confusion interweaves to appear, improved the whole result of use of this device.

The working principle is as follows: when the electric spindle body 1 is installed, a positioning block 21 is fixedly connected to the frame 20, and then the positioning groove on one side of the installation block 3 is aligned with the positioning block 21, so that the positioning block 21 is clamped in the positioning groove, then the first rod 4 is rotated, the first rod 4 drives the worm 5 to rotate, the worm 5 drives the worm wheel 6 to rotate, the worm wheel 6 drives the second rod 8 to rotate, the second rod 8 extrudes the clamping plate 7, so that the clamping plate 7 drives the pressing blocks 9 to move towards the positioning block 21, at the moment, the two pressing blocks 9 generate opposite movement, the positioning block 21 can be clamped tightly, thereby fixing the mounting block 3 on the frame 20, conveniently realizing the positioning of the mounting block 3, conveniently connecting the annular plate 11 with the frame 20 by screws subsequently after positioning the mounting block 3, thereby enabling the electric spindle body 1 to be tightly connected to the frame 20 and improving the fixing effect of the electric spindle body 1 and the frame 20;

the first rod 4 is convenient to rotate by arranging the rotary disc 12 and the third rod 13; when the first rod 4 rotates to a specified angle, the limiting plate 15 is rotated rightwards, so that the third rod 13 is clamped in the limiting groove on the surface of the limiting plate 15, the movement of the third rod 13 is limited, the first rod 4 can be prevented from rotating randomly, and the clamping effect on the positioning block 21 is improved; the magnetism of the first magnet piece 16 and the second magnet piece 17 on the surfaces contacting with each other is opposite, and when the first magnet piece 16 and the second magnet piece 17 are adsorbed together, the limiting plate 15 can be prevented from automatically rotating.

The electric spindle body 1 is a conventional one, the specific structure thereof is not described herein, and the spindle is FRD103x120-6 KW.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides an electricity main shaft with heat dissipation function, includes electricity main shaft body (1), its characterized in that: a shell (2) is sleeved outside the electric spindle body (1); a mounting block (3) is fixedly connected to one side of the shell (2); a positioning mechanism is arranged inside the mounting block (3); the positioning mechanism comprises a first rod (4), a worm (5), a worm wheel (6) and a clamping plate (7); a cavity is formed in the mounting block (3), and the first rod (4) penetrates through and is rotatably connected to the side wall of the mounting block (3); the worm (5) is sleeved and fixedly connected with the outer part of the first rod (4); the worm wheel (6) is rotatably connected inside the cavity, and the worm (5) is meshed with the worm wheel (6); a second rod (8) is fixedly connected to the periphery of the worm wheel (6); one side of the mounting block (3) is provided with a positioning groove; the constant head tank inner wall runs through and sliding connection has briquetting (9), one side rigid coupling of splint (7) is located one side of cavity at briquetting (9), and the opposite side of splint (7) passes through spring (10) and cavity inner wall connection.

2. An electric spindle with heat dissipation function according to claim 1, characterized in that: the outer side wall of the mounting block (3) is fixedly connected with an annular plate (11), and a plurality of threaded holes are formed in the side wall of the annular plate (11) at equal intervals.

3. An electric spindle with heat dissipation function according to claim 2, characterized in that: the two worms (5) are arranged, and the gear teeth of the two worms (5) are opposite in rotation direction; the worm gears (6) are also provided with two worm gears, and the gear teeth of the two worm gears (6) are opposite in rotation direction.

4. An electric spindle with heat dissipation function according to claim 3, characterized in that: a turntable (12) is fixedly connected to one end, located outside the cavity, of the first rod (4), and a third rod (13) is fixedly connected to the top of the turntable (12); a supporting block (14) is fixedly connected to the top of the mounting block (3), and a groove is formed in the top of the supporting block (14); the top and the right side of the groove are both in an open state; a limiting plate (15) is rotationally connected in the groove; the top of the limiting plate (15) is provided with a limiting groove, and the limiting groove is in sliding fit with the third rod (13); a first magnet piece (16) is fixedly connected to the left side of the limiting plate (15); the inner wall of the left side of the groove is fixedly connected with a second magnet piece (17).

5. An electric spindle with heat dissipation function according to claim 4, characterized in that: a plurality of radiating holes are formed in the surface of the shell (2) at equal intervals, radiating fins (18) are fixedly connected to the surface of the shell (2), and the radiating holes are located between the two radiating fins (18).

6. An electric spindle with heat dissipation function according to claim 5, characterized in that: the housing (2) is made of silicon material; the heat radiating fins (18) are made of an aluminum material.