CN222242674U - Main shaft mechanism for five-axis machining center - Google Patents

Abstract

The application relates to the technical field of machining centers and discloses a spindle mechanism for a five-axis machining center, which comprises a mounting plate, a mounting shell and an electric spindle, wherein the mounting shell is arranged on the mounting plate, the electric spindle is arranged on the mounting shell, the mounting plate is provided with a first driving piece for driving the mounting shell to rotate on a horizontal plane, a second driving piece for driving the electric spindle to rotate on a vertical plane is arranged in the mounting shell, the electric spindle is provided with a first synchronous wheel positioned in the mounting shell, an output shaft of the second driving piece is provided with a second synchronous wheel, the first synchronous wheel and the second synchronous wheel are in transmission connection through a synchronous belt, and an adjusting piece for adjusting the second driving piece is arranged in the mounting shell, so that the distance between the first synchronous wheel and the second synchronous wheel can be adjusted according to the requirements of different stages, the installation personnel can conveniently install the synchronous belt, and meanwhile, the transmission efficiency of the first synchronous wheel and the second synchronous wheel is ensured.

Description

Main shaft mechanism for five-axis machining center

Technical Field

The application belongs to the technical field of machining centers, and particularly relates to a spindle mechanism for a five-axis machining center.

Background

With the development and progress of technology, five-axis machining centers gradually enter the market, and the rotary motion of a main shaft mechanism on a horizontal plane and a vertical plane is increased on the basis of three axes, so that high-precision machining of workpieces with complex molded surfaces is realized.

In the related art, the spindle mechanism of the five-axis machining center comprises a mounting plate arranged on a Z-axis bracket, a mounting shell arranged on the mounting plate and an electric spindle arranged on the mounting shell, a drill bit is arranged at the bottom of the electric spindle, the mounting plate is provided with a first driving piece used for driving the mounting shell to rotate on a horizontal plane, a second driving piece used for driving the electric spindle to rotate on a vertical plane is arranged in the mounting shell, synchronous wheels are arranged on output shafts of the electric spindle and the second driving piece, and the two synchronous wheels are in transmission connection through a synchronous belt.

Disclosure of utility model

The application provides a main shaft mechanism for a five-axis machining center, which achieves the effect of being convenient for installing synchronous belts on the premise of ensuring the transmission efficiency of two synchronous wheels.

The technical scheme adopted by the application is as follows:

The utility model provides a five spindle mechanism for machining center, includes the mounting panel, locates the mounting shell of mounting panel and locates the electric main shaft of mounting shell, the mounting panel is provided with and is used for the drive the first driving piece of mounting shell in horizontal plane rotation, the inside second driving piece that is used for driving the electric main shaft in vertical plane rotation that is provided with of mounting shell, the electric main shaft is provided with and is located the inside first synchronizing wheel of mounting shell, the output shaft of second driving piece is provided with the second synchronizing wheel, first synchronizing wheel with the second synchronizing wheel passes through the hold-in range transmission and connects, be provided with in the mounting shell be used for right the regulating part that the second driving piece was adjusted, so that distance between first synchronizing wheel with the second synchronizing wheel can be adjusted.

Through adopting above-mentioned technical scheme, when installing the hold-in range, install the hold-in range to the outside of first synchronizing wheel and second synchronizing wheel earlier, then operate the regulating part, then make the regulating part adjust the second driving piece to make the second driving piece drive the second synchronizing wheel motion, thereby the distance between second synchronizing wheel and the first synchronizing wheel increases gradually, so that the hold-in range tensioning gradually, in order to avoid the condition that the slack influence of hold-in range transmission efficiency between first synchronizing wheel and the second synchronizing wheel.

It can be understood that the adjusting piece is arranged, so that the distance between the first synchronous wheel and the second synchronous wheel can be adjusted by the adjusting piece, the distance between the first synchronous wheel and the second synchronous wheel can be kept in a smaller state when the synchronous belt is installed, then the synchronous belt is installed to the first synchronous wheel and the second synchronous wheel, and then the second driving piece is adjusted, finally the synchronous belt is kept in a tensioning state, and the effect of being convenient for installing the synchronous belt is achieved, so that the installation difficulty of the synchronous belt is reduced, and meanwhile, the assembly efficiency of the spindle mechanism is improved.

Optionally, the second driving piece is provided with the fixed plate, the fixed plate is provided with the waist type hole that length direction is on a parallel with vertical direction, the installation shell is provided with wears to locate the fastener in waist type hole, the regulating part acts on the fixed plate.

Through adopting above-mentioned technical scheme, when installing the second driving piece, place the installation shell with the second driving piece earlier in, then wear the fastener to locate in the waist type hole again, simultaneously with fastener threaded connection in the installation shell, in order to accomplish the pre-fixation to the second driving piece, then operate the regulating part, so that the regulating part adjusts the fixed plate, then make the fixed plate move in vertical direction, the fastener takes place the relative slip with the fixed plate this moment, so that the fixed plate has driven the second driving piece motion, thereby make the hold-in range be in tensioning state gradually, because the fastener has realized pre-fixation to the fixed plate earlier, then the regulating part is used to adjust the fixed plate again, and then the stability of second driving piece has been increased, in order to guarantee that the hold-in range keeps tensioning state for a long time.

Optionally, the adjusting piece includes locating the regulating plate of installation shell and threaded connection in the regulating rod of regulating plate, adjust the pole and act on the fixed plate, so that when adjusting the pole and rotate, the fixed plate moves in vertical direction.

Through adopting above-mentioned technical scheme, when adjusting the second driving piece, rotate the regulation pole to make regulation pole and regulating plate take place relative rotation, then make the fixed plate move in vertical direction, the fixed plate is driving the second driving piece motion, so that the fixed plate is driving the second driving piece motion, thereby make the distance between second synchronizing wheel and the first synchronizing wheel change, so that the hold-in range is in the tensioning state gradually, in order to realize the regulation to the distance between second synchronizing wheel and the first synchronizing wheel.

Optionally, the fixed plate extends and is provided with the atress board, the regulating plate has the support section that is located atress board bottom, adjust pole threaded connection in the support section and act on the atress board.

Through adopting above-mentioned technical scheme, because the support section is located the bottom of atress board, and adjust pole threaded connection in the support section, then make to rotate the regulation pole, when making the distance between second synchronizing wheel and the first synchronizing wheel increase, the regulating lever is upwards pushed to the atress board, in order to make the atress board drive the fixed plate and rise in vertical direction, in order to realize the distance between second synchronizing wheel and the first synchronizing wheel increase, through locating the bottom of atress board with adjusting the pole, make the regulation pole bear the pressure of fixed plate always, in order to increase the connection stability of regulation pole and support section, in order to avoid adjusting the pole and take place relative pivoted condition with the support section under the effect of vibrations.

Optionally, the adjusting part includes the via the top of installation shell stretches into the dwang in the installation shell and locate the top of dwang and with installation shell backstop complex backstop piece, the bottom one end threaded connection of dwang in the fixed plate.

Through adopting above-mentioned technical scheme, because the dwang stretches into in the installation shell via the top of installation shell, and the backstop piece cooperates with the installation shell backstop, then make when adjusting the distance between second synchronizing wheel and the first synchronizing wheel, only need rotate the backstop piece can, so that the backstop piece drives the dwang and rotates, thereby make dwang and fixed plate take place relative rotation, so that the fixed plate moves in vertical direction, thereby realize the regulation to the distance between second synchronizing wheel and the first synchronizing wheel, and then reach the effect of being convenient for adjust the tensioning degree of hold-in range. Meanwhile, as the service time of the spindle mechanism is continuously increased, the synchronous belt may be gradually lengthened, and the stop block can be directly adjusted at the moment so as to keep the synchronous belt in a tensioning state.

Optionally, the fixed plate is provided with a mating block, and the rotating rod is in threaded connection with the mating block.

Through adopting above-mentioned technical scheme, because dwang screw thread is in the cooperation piece, that is to say, the dwang passes through cooperation piece threaded connection in the fixed plate to avoid connecting in the condition of fixed plate thickness in the fixed plate between the dwang, with the thickness of reduction fixed plate, thereby reduce spindle unit's weight, and then reach the effect of being convenient for move spindle unit.

Optionally, the inner wall of the installation shell is provided with a fixing rib, and the fastener is in threaded connection with the fixing rib.

Through adopting above-mentioned technical scheme, owing to be provided with the fixed muscle in the inside of installation shell, realize on the one hand that the fastener is connected with the installation shell, on the other hand fixed muscle has increased the structural strength of installation shell to increase spindle unit's life.

Optionally, the motorized spindle is provided with a rotating shaft extending into the installation shell, the installation shell is provided with a fixed sleeve sleeved outside the rotating shaft, a protective cover covering the outside of the synchronous belt is arranged in the installation shell, and two ends of the protective cover are respectively connected with the fixed plate and the fixed sleeve.

By adopting the technical scheme, the fixing sleeve is sleeved outside the rotating shaft, so that the connection stability of the electric main shaft and the mounting shell is improved, the protective cover is sleeved outside the synchronous belt, the protective cover is used for protecting the synchronous belt, so that the safety of the main shaft mechanism is improved, two ends of the protective cover are respectively connected with the fixing plate and the fixing sleeve, the distance between the first synchronous wheel and the second synchronous wheel can be kept constant under the action of the protective cover, the stability of the first synchronous wheel and the second synchronous wheel is improved, and the synchronous belt is kept in a tensioning state.

Optionally, the installation shell is provided with the rotation axis of wearing to locate the mounting panel, the output shaft of first driving piece is provided with first gear, the rotation axis be provided with first gear meshing transmission connection's second gear.

Through adopting above-mentioned technical scheme, when driving the installation shell, the output shaft of first driving piece is driving first gear rotation to make the second gear rotate under the effect of first gear, the rotation axis is being driven to the second gear and is rotating, and the rotation axis is driving the installation shell rotation, in order to realize the rotation of drive installation shell.

Optionally, the installation shell has the installation section that extends along vertical direction and the linkage segment that extends along the horizontal direction, the rotation axis is located the linkage segment, the electricity main shaft is located the installation section just is located the bottom of linkage segment, so that the electricity main shaft with the coaxial setting of rotation axis.

By adopting the technical scheme, the motorized spindle and the rotating shaft are coaxially arranged, so that the rotating position of the motorized spindle can be conveniently controlled, the control program of the spindle mechanism is simplified, the control cost of the spindle mechanism is reduced, the stability of the spindle mechanism during working is improved, and the failure rate of the spindle mechanism is reduced.

By adopting the technical scheme, the application has the following beneficial effects:

1. The spindle mechanism comprises a mounting plate, a mounting shell arranged on the mounting plate and an electric spindle arranged on the mounting shell, wherein the mounting plate is provided with a first driving piece used for driving the mounting shell to rotate on a horizontal plane, a second driving piece used for driving the electric spindle to rotate on a vertical plane is arranged inside the mounting shell, the electric spindle is provided with a first synchronous wheel positioned inside the mounting shell, an output shaft of the second driving piece is provided with a second synchronous wheel, the first synchronous wheel and the second synchronous wheel are in transmission connection through a synchronous belt, an adjusting piece used for adjusting the second driving piece is arranged in the mounting shell, so that the distance between the first synchronous wheel and the second synchronous wheel can be adjusted, the distance between the first synchronous wheel and the second synchronous wheel can be kept in a small state when the synchronous belt is mounted, then the synchronous belt is mounted on the first synchronous wheel and the second synchronous wheel, the second driving piece is adjusted, the synchronous belt is finally kept in a tensioning state, the effect of facilitating the mounting of the synchronous belt is achieved, the mounting difficulty of the synchronous belt is reduced, meanwhile, the assembly efficiency of the spindle mechanism of the synchronous belt is improved, and the efficiency between the first synchronous wheel and the second synchronous wheel is guaranteed.

2. The second driving piece is provided with the fixed plate, the fixed plate is provided with the waist-shaped hole with the length direction parallel to the vertical direction, the installation shell is provided with the fastener penetrating through the waist-shaped hole, the adjusting piece acts on the fixed plate, when the second driving piece is installed, the second driving piece is firstly placed into the installation shell, then the fastener penetrates through the waist-shaped hole, meanwhile, the fastener is connected with the installation shell in a threaded mode, so that the second driving piece is pre-fixed, then the adjusting piece is operated, the adjusting piece is used for adjusting the fixed plate, then the fixed plate moves in the vertical direction, at the moment, the fastener and the fixed plate relatively slide, so that the fixed plate drives the second driving piece to move, and the synchronous belt is in a tensioning state gradually.

3. The adjusting piece comprises an adjusting piece arranged on the mounting shell and an adjusting rod connected with the adjusting piece in a threaded mode, the adjusting rod acts on the fixed plate, so that when the adjusting rod rotates, the fixed plate moves in the vertical direction, and then the fixed plate drives the second driving piece to move, so that the distance between the second synchronous wheel and the first synchronous wheel is changed, the synchronous belt is in a tensioning state gradually, and the distance between the second synchronous wheel and the first synchronous wheel is adjusted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a schematic view of a spindle mechanism according to an embodiment of the present application;

FIG. 2 is a schematic view of a portion of a spindle mechanism according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of the spindle mechanism according to one embodiment of the present application;

FIG. 4 is a schematic view of another view angle structure of the spindle mechanism according to an embodiment of the present application;

FIG. 5 is a schematic view of the structure of the housing according to an embodiment of the present application;

Fig. 6 is a schematic diagram of a connection structure between the first driving member and the mounting plate according to an embodiment of the application.

Reference numerals:

1. The device comprises a mounting plate, 11 parts of a first driving piece, 111 parts of a first gear, 2 parts of a mounting shell, 21 parts of a housing, 211 parts of a second driving piece, 212 parts of a second synchronizing wheel, 213 parts of a synchronous belt, 214 parts of a fixed plate, 215 parts of a waist-shaped hole, 216 parts of a stress plate, 217 parts of a matching block, 218 parts of a fixed rib, 219 parts of a rotating shaft, 22 parts of a cover body, 221 parts of a second gear, 3 parts of an electric spindle, 31 parts of a drill bit, 32 parts of the first synchronizing wheel, 33 parts of the rotating shaft, 331 parts of the fixed sleeve, 4 parts of an adjusting piece, 41 parts of an adjusting piece, 411 parts of a supporting section, 42 parts of the adjusting piece, 43 parts of the rotating rod, 44 parts of the stop block, 5 parts of a protective cover.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present application and features in each embodiment may be combined with each other.

In addition, in the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or in communication, directly connected, or indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present application. In this specification, schematic representations of the above terms are not necessarily directed 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.

Referring to fig. 1 to 6, a spindle mechanism for a five-axis machining center is disclosed, which comprises a mounting plate 1, a mounting shell 2 arranged on the mounting plate 1 and an electric spindle 3 arranged on the side part of the mounting shell 2, wherein a drill bit 31 is arranged at the bottom of the electric spindle 3, the mounting plate 1 is provided with a first driving piece 11 for driving the mounting shell 2 to rotate on a horizontal plane, a second driving piece 211 for driving the electric spindle 3 to rotate on a vertical plane is arranged inside the mounting shell 2, the electric spindle 3 is provided with a first synchronizing wheel 32 positioned inside the mounting shell 2, an output shaft of the second driving piece 211 is provided with a second synchronizing wheel 212, the first synchronizing wheel 32 and the second synchronizing wheel 212 are in transmission connection through a synchronizing belt 213, and an adjusting piece 4 for adjusting the second driving piece 211 is arranged in the mounting shell 2, so that the distance between the first synchronizing wheel 32 and the second synchronizing wheel 212 can be adjusted.

When the synchronous belt 213 is installed, the synchronous belt 213 is installed outside the first synchronous wheel 32 and the second synchronous wheel 212, then the adjusting piece 4 is operated, and then the adjusting piece 4 adjusts the second driving piece 211, so that the second driving piece 211 drives the second synchronous wheel 212 to move, and the distance between the second synchronous wheel 212 and the first synchronous wheel 32 is gradually increased, so that the synchronous belt 213 is gradually tensioned, and the condition that the transmission efficiency between the first synchronous wheel 32 and the second synchronous wheel 212 is influenced by the looseness of the synchronous belt 213 is avoided.

It can be understood that, in the present application, by arranging the adjusting member 4, the distance between the first synchronous wheel 32 and the second synchronous wheel 212 can be adjusted by the adjusting member 4, so that when the synchronous belt 213 is installed, the distance between the first synchronous wheel 32 and the second synchronous wheel 212 can be kept in a smaller state, then the synchronous belt 213 is installed to the first synchronous wheel 32 and the second synchronous wheel 212, and then the second driving member 211 is adjusted, finally, the synchronous belt 213 is kept in a tensioned state, so as to ensure the transmission efficiency between the first synchronous wheel 32 and the second synchronous wheel 212, thereby achieving the effect of facilitating the installation of the synchronous belt 213, reducing the installation difficulty of the synchronous belt 213, and improving the assembly efficiency of the spindle mechanism.

Preferably, referring to fig. 2, 3 and 4, the first and second synchronizing wheels 32 and 212 are sequentially disposed in a vertical direction, and the second synchronizing wheel 212 is located above the first synchronizing wheel 32.

In a preferred embodiment, referring to fig. 2, 3 and 4, the second driving member 211 is provided with a fixing plate 214, the fixing plate 214 is provided with a waist-shaped hole 215 having a length direction parallel to a vertical direction, the mounting case 2 is provided with a fastener penetrating the waist-shaped hole 215, and the adjusting member 4 acts on the fixing plate 214.

Specifically, when the second driving piece 211 is installed, the second driving piece 211 is placed into the installation shell 2, then the fastening piece is penetrated into the waist-shaped hole 215, meanwhile, the fastening piece is connected to the installation shell 2 in a threaded mode, so that the second driving piece 211 is pre-fixed, then the adjusting piece 4 is operated, the adjusting piece 4 is used for adjusting the fixing plate 214, then the fixing plate 214 moves in the vertical direction, at the moment, the fastening piece and the fixing plate 214 relatively slide, so that the fixing plate 214 drives the second driving piece 211 to move, and the synchronous belt 213 is in a tensioning state gradually.

The structure of the fastener is not particularly limited in the present application, and preferably, the fastener is a bolt penetrating through the waist-shaped hole 215 and being screwed with the installation housing 2, so as to increase the connection stability of the fixing plate 214 and the installation housing 2. In other embodiments, the fastener may also be a screw.

The present application does not specifically limit the structure of the regulating member 4, and any of the following embodiments may be adopted:

In embodiment 1, referring to fig. 2 and 3, in the present embodiment, the adjusting member 4 includes an adjusting piece 41 provided to the mounting case 2 and an adjusting rod 42 screwed to the adjusting piece 41, and the adjusting rod 42 acts on the fixing plate 214 so that the fixing plate 214 moves in the vertical direction when the adjusting rod 42 rotates.

Specifically, when the second driving member 211 is adjusted, the adjusting lever 42 is rotated to enable the adjusting lever 42 and the adjusting plate 41 to rotate relatively, and then the fixing plate 214 moves in the vertical direction, the fixing plate 214 drives the second driving member 211 to move, and the fixing plate 214 drives the second driving member 211 to move, so that the distance between the second synchronizing wheel 212 and the first synchronizing wheel 32 is changed, and the synchronous belt 213 is gradually in a tensioning state, so that the adjustment of the distance between the second synchronizing wheel 212 and the first synchronizing wheel 32 is realized.

In the present application, the adjusting manner of the adjusting lever 42 on the fixing plate 214 is not specifically limited, preferably, referring to fig. 2 and 3, the fixing plate 214 is provided with the force plate 216 in an extending manner, the adjusting plate 41 has a supporting section 411 located at the bottom of the force plate 216, the adjusting lever 42 is connected to the supporting section 411 by threads and acts on the force plate 216, so that when the adjusting lever 42 is rotated to increase the distance between the second synchronizing wheel 212 and the first synchronizing wheel 32, the adjusting lever 42 pushes the force plate 216 upwards, so that the force plate 216 drives the fixing plate 214 to vertically lift, thereby increasing the distance between the second synchronizing wheel 212 and the first synchronizing wheel 32, and the adjusting lever 42 always bears the pressure of the fixing plate 214 by arranging the adjusting lever 42 at the bottom of the force plate 216, so as to increase the connection stability of the adjusting lever 42 and the supporting section 411, so as to avoid the situation that the adjusting lever 42 rotates relative to the supporting section 411 under the action of vibration.

In other embodiments, the supporting section 411 may be disposed on top of the fixing plate 214, and the adjusting rod 42 is disposed through the supporting section 411 and is screwed to the fixing plate 214, so that the second synchronizing wheel 212 moves upwards in the vertical direction under the pulling action of the adjusting rod 42.

Preferably, referring to fig. 2 and 3, the adjusting plate 41 and the adjusting rod 42 are respectively provided with two adjusting plates and are respectively located at two opposite sides of the fixing plate 214, so that the two opposite sides of the fixing plate 214 are in stress balance, and the stability of the second driving member 211 is increased.

In embodiment 2, referring to fig. 4, in this embodiment, the adjusting member 4 includes a rotating rod 43 extending into the installation shell 2 through the top of the installation shell 2, and a stop block 44 disposed on the top of the rotating rod 43 and matched with the stop of the installation shell 2, where one end of the bottom of the rotating rod 43 is screwed to the fixing plate 214, so that when the distance between the second synchronizing wheel 212 and the first synchronizing wheel 32 is adjusted, only the stop block 44 needs to be rotated, so that the stop block 44 drives the rotating rod 43 to rotate, and the rotating rod 43 and the fixing plate 214 rotate relatively, so that the fixing plate 214 moves in the vertical direction, thereby adjusting the distance between the second synchronizing wheel 212 and the first synchronizing wheel 32, and further achieving the effect of adjusting the tensioning degree of the synchronous belt 213 conveniently. Meanwhile, as the service time of the spindle mechanism increases, the timing belt 213 may become longer, and the stop block 44 can be directly adjusted at this time, so that the timing belt 213 is kept in a tensioned state.

Further, referring to fig. 4, the fixing plate 214 is provided with a matching block 217, and the rotating rods 43 are screwed to the matching block 217, that is, the rotating rods 43 are screwed to the fixing plate 214 through the matching block 217, so that the situation that the thickness of the fixing plate 214 needs to be increased due to the fact that the rotating rods 43 are connected to the fixing plate 214 is avoided, the thickness of the fixing plate 214 is reduced, the weight of the spindle mechanism is reduced, and the effect of moving the spindle mechanism is achieved conveniently.

In a preferred embodiment, referring to fig. 2 and 5, the inner wall of the mounting shell 2 is provided with a fixing rib 218, and a fastener is screwed to the fixing rib 218, so that on one hand, the fastener is connected with the mounting shell 2, and on the other hand, the fixing rib 218 increases the structural strength of the mounting shell 2, so as to increase the service life of the spindle mechanism. And the adjusting plate 41 is fixedly connected to the fixing rib 218 to increase the stability of the adjusting plate 41.

In a preferred embodiment, referring to fig. 2, 3 and 4, the electric spindle 3 is provided with a rotating shaft 33 extending into the mounting case 2, the mounting case 2 is provided with a fixed sleeve 331 sleeved outside the rotating shaft 33, and thus the connection stability of the electric spindle 3 and the mounting case 2 is increased, the mounting case 2 is provided with a protective cover 5 covered outside a synchronous belt 213, both ends of the protective cover 5 are respectively connected with a fixed plate 214 and the fixed sleeve 331, and the protective cover 5 is covered outside the synchronous belt 213, so that the protective cover 5 protects the synchronous belt 213 to increase the safety of the spindle mechanism, and meanwhile, the distance between the first synchronous wheel 32 and the second synchronous wheel 212 can be kept constant under the action of the protective cover 5 to increase the stability of the first synchronous wheel 32 and the second synchronous wheel 212, and further the synchronous belt 213 is kept in a tensioned state.

In a preferred embodiment, referring to fig. 6, the mounting case 2 is provided with a rotation shaft 219 penetrating the mounting plate 1, the output shaft of the first driving member 11 is provided with a first gear 111, and the rotation shaft 219 is provided with a second gear 221 in meshing driving connection with the first gear 111.

Specifically, when the mounting case 2 is driven, the output shaft of the first driving member 11 drives the first gear 111 to rotate, so that the second gear 221 rotates under the action of the first gear 111, the second gear 221 drives the rotating shaft 219 to rotate, and the rotating shaft 219 drives the mounting case 2 to rotate, so as to drive the mounting case 2 to rotate.

Further, referring to fig. 1, 2 and 3, the installation housing 2 has an installation section extending in a vertical direction and a connection section extending in a horizontal direction, the rotation shaft 219 is disposed at the connection section, the electric spindle 3 is disposed at the installation section and at the bottom of the connection section, so that the electric spindle 3 and the rotation shaft 219 are coaxially disposed, and then the rotation position of the electric spindle 3 can be conveniently controlled, so that the control program of the spindle mechanism is simplified, the control cost of the spindle mechanism is reduced, and meanwhile, the stability of the spindle mechanism during operation is increased and the failure rate of the spindle mechanism is reduced.

The connection mode of the rotation shaft 219 and the installation shell 2 is not particularly limited, and it may be fixedly connected to the installation shell 2 by a structure such as a screw, a bolt, etc., or may be integrally formed to the installation shell 2.

The structure of the first driving member 11 and the second driving member 211 is not particularly limited, and preferably, the first driving member 11 and the second driving member 211 are both stepper motors so as to realize accurate control on the rotation of the motorized spindle 3. In other embodiments, the first driver 11 and the second driver 211 may also be pneumatic motors.

The structure of the installation shell 2 is not particularly limited in the present application, and preferably, referring to fig. 1 and 3, the installation shell 2 includes a housing 21 and a cover 22 disposed on the housing 21, where the housing 21 is disposed at an opening on a side facing away from the motorized spindle 3, and the cover 22 is detachably connected to the opening of the housing 21, so as to achieve the effect of facilitating installation of the second driving member 211 and the timing belt 213, and simultaneously the cover 22 can seal the opening of the housing 21, so as to increase the cleanliness of the interior of the installation shell 2.

The application can be realized by adopting or referring to the prior art at the places which are not described in the application.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a five spindle mechanism for machining center, its characterized in that includes mounting panel (1), locates mounting panel (1) install shell (2) and locate install electric main shaft (3) of shell (2), mounting panel (1) are provided with and are used for the drive install first driving piece (11) of shell (2) in the horizontal plane rotation, install inside second driving piece (211) that are used for driving electric main shaft (3) in vertical face rotation, electric main shaft (3) are provided with and are located install inside first synchronizing wheel (32) of shell (2), the output shaft of second driving piece (211) is provided with second synchronizing wheel (212), first synchronizing wheel (32) with second synchronizing wheel (212) are connected through hold-in range (213) transmission, be provided with in install shell (2) be used for right second driving piece (211) adjust piece (4), so that first synchronizing wheel (32) with distance between second synchronizing wheel (212) can be adjusted.

2. The spindle mechanism for a five-axis machining center according to claim 1, wherein the second driving member (211) is provided with a fixing plate (214), the fixing plate (214) is provided with a waist-shaped hole (215) having a length direction parallel to a vertical direction, the mounting case (2) is provided with a fastener penetrating through the waist-shaped hole (215), and the adjusting member (4) acts on the fixing plate (214).

3. The spindle mechanism for a five-axis machining center according to claim 2, wherein the adjusting member (4) includes an adjusting piece (41) provided to the mounting case (2) and an adjusting rod (42) screwed to the adjusting piece (41), the adjusting rod (42) acting on the fixing plate (214) so that the fixing plate (214) moves in a vertical direction when the adjusting rod (42) rotates.

4. A spindle mechanism for a five-axis machining center according to claim 3, wherein the fixing plate (214) is provided with a force-receiving plate (216) in an extending manner, the adjusting plate (41) has a support section (411) located at the bottom of the force-receiving plate (216), and the adjusting rod (42) is screwed to the support section (411) and acts on the force-receiving plate (216).

5. The spindle mechanism for a five-axis machining center according to claim 2, wherein the adjusting member (4) includes a rotating rod (43) that protrudes into the mounting case (2) via a top portion of the mounting case (2), and a stopper (44) that is provided at the top portion of the rotating rod (43) and that is in stopper engagement with the mounting case (2), and a bottom end of the rotating rod (43) is screwed to the fixing plate (214).

6. The spindle mechanism for a five-axis machining center according to claim 5, wherein the fixing plate (214) is provided with a fitting block (217), and the rotating rod (43) is screwed to the fitting block (217).

7. The spindle mechanism for a five-axis machining center according to claim 2, wherein the inner wall of the mounting case (2) is provided with a fixing rib (218), and the fastener is screwed to the fixing rib (218).

8. The spindle mechanism for a five-axis machining center according to claim 2, wherein the electric spindle (3) is provided with a rotating shaft (33) extending into the installation shell (2), the installation shell (2) is provided with a fixed sleeve (331) sleeved outside the rotating shaft (33), the installation shell (2) is provided with a protective cover (5) covering the outside of the synchronous belt (213), and two ends of the protective cover (5) are respectively connected with the fixed plate (214) and the fixed sleeve (331).

9. The spindle mechanism for a five-axis machining center according to claim 1, wherein the mounting case (2) is provided with a rotation shaft (219) penetrating through the mounting plate (1), the output shaft of the first driving member (11) is provided with a first gear (111), and the rotation shaft (219) is provided with a second gear (221) in meshing transmission connection with the first gear (111).

10. The spindle mechanism for a five-axis machining center according to claim 9, wherein the mounting case (2) has a mounting section extending in a vertical direction and a connecting section extending in a horizontal direction, the rotation shaft (219) is provided to the connecting section, and the electric spindle (3) is provided to the mounting section and is provided to a bottom of the connecting section such that the electric spindle (3) is coaxially provided with the rotation shaft (219).