CN208895692U - Disc type tool magazine structure-improved - Google Patents

Abstract

The utility model discloses a kind of disc type tool magazine structure-improveds, include: a tool magazine ontology；One broach shell fixed ring, for broach shell fixed ring with a ring body and several parallel, equidistant pivot joint protrusions with tilt angle, ring body is annular in shape, and pivot joint protrusion is protruded out from the outer peripheral surface of ring body, and is formed with a broach shell turn trough per being pivotally connected between protrusion two-by-two；Most broach shells are hubbed at respectively in each broach shell turn trough；One turntable, for broach shell fixed ring lock ring body interlocking thereon；One tool changing driving device, to provide a rotary power and a linear motion reciprocating forces, rotary power is to drive turntable, broach shell fixed ring and broach shell rotation, a chosen wherein broach shell is set to rotate to a tool change position, and in the range of the fourth quadrant for being located at tool change position on the plane coordinates of broach shell fixed ring rather than be located at immediately below its center of circle, the broach shell for being located at tool change position is stretched to one in a position of returning sword and carries out reciprocal pivot between cutter position by linear motion reciprocating forces.

Description

Disc type tool magazine structure-improved

Technical field

The utility model relates to the technical fields of the tool magazine of automatic processing machine, more specifically refer to a kind of disc type tool magazine Structure-improved.

Background technique

The processing machine automated at present can largely be provided with tool magazine and automatic tool changer, most not by tool magazine storage Same cutting effect, moulding and size cutter, then cutter is carried out between tool magazine and the main shaft of processing machine by automatic tool changer Conversion.

The pattern of tool magazine is numerous, common to have disc type tool magazine, chain-type tool magazine, bamboo hat type tool holder etc..Wherein, disc type knife Library mainly has a broach shell fixed ring 1(in the form of annular discs as shown in Figures 1 and 2) and majority to clamp the broach shell 2(of cutter such as Shown in Fig. 3), several equidistant protrusions 3 is protruded out on the outer peripheral surface of the broach shell fixed ring 1, is formed with per between protrusion 3 two-by-two One turn trough 4, the center of each turn trough 4 are located on the equal cut-off rules 6 for extending radiation to circumference with the center of circle of broach shell fixed ring 1, and two etc. Then constitute first-class segmentation angle θ 1 between cut-off rule 6, each broach shell 2 be then located in each turn trough 4 and with the pivot connected slot 5 in adjacent projection 3 Pivot joint, enables the broach shell 2 to be pivoted when by external force in the turn trough 4.Further, since the broach shell 2 etc. of each tool magazine Spacing setting, 2 total quantity of broach shell of known disc type tool magazine shown in Fig. 3 have 32, so, each broach shell 2 is can average mark The equal part chamfer θ 1 being fitted on is 11.25 degree.

However, since automatic tool changer simultaneously pulls out the cutter on the cutter and main shaft on the disc type tool magazine Knife and set the tool changing operation such as knife, therefore line only perpendicular to the ground just can be carried out tool changing operation in parallel or overlapping broach shell, with For above-mentioned known 1 pattern of broach shell fixed ring, only broach shell 2 of the position immediately below 1 center of circle of broach shell fixed ring just be can be carried out Tool changing operation, so that can be carried out the broach shell 2 of tool changing operation to the distance X1 between 1 forefront of broach shell fixed ring and can be carried out tool changing work The broach shell 2 of industry is equal to the distance X2 between 1 rearmost of broach shell fixed ring.But generally more using the processing machine of disc type tool magazine Small-sized, therefore, main shaft and automatic tool changer are usually located at the position in processing machine close to front, and disc type tool magazine is caused to be bound to Will be located in processing machine close to front position at.Consequently the sky in disc type tool magazine and processing machine between front Between will be quite narrow, not only result in degree of difficulty when assembled.And as the requirement on machining accuracy of processing machine is promoted and is processed The more diversified demand of mode, tool magazine just need to increase the quantity of the broach shell and its cutter that can store, but are limited to disc type Space in tool magazine and processing machine between front is comparable narrow, therefore just can not expand by the outer diameter for increasing disc type tool magazine Increase the quantity of broach shell and its cutter.

In view of this, known disc type tool magazine is when being installed in processing machine, the disc type knife to improve in prior art Gap difficulty that is excessively narrow, and thering is group to load between library front and processing machine, and can not be by the outer of increase disc type tool magazine Diameter is come the problems such as expanding broach shell and its number of cutters, cause has the utility model generation.

Utility model content

The one of the utility model is designed to provide a kind of disc type tool magazine structure-improved, can change and carry out tool changing operation Broach shell position, and then adjust disc type tool magazine structure-improved be installed in the position in processing machine, to avoid disc type tool magazine The problem for having gap excessively narrow between processing machine in front of structure-improved, and reach the effect of being easy assembling.

The another object of the utility model is to provide a kind of disc type tool magazine structure-improved, can not increase original processing Under the volume of machine, and increase the quantity of broach shell and cutter that disc type tool magazine structure-improved can be stored.

Based on this, the utility model mainly uses utilising techniques, Lai Shixian above-mentioned purpose.

A kind of disc type tool magazine structure-improved includes: a tool magazine ontology, has an ontology ring；One broach shell fixed ring, should Broach shell fixed ring is in annulus with a ring body and several parallel, equidistant pivot joint protrusions with tilt angle, the ring body Shape, the pivot joint protrusion are protruded out from the outer peripheral surface of the ring body, and are formed with a broach shell turn per being pivotally connected between protrusion two-by-two Slot；Most broach shells are hubbed at respectively in each broach shell turn trough of the broach shell fixed ring, the articulated section of each broach shell and the phase for its pivot joint Neighbour two is pivotally connected perpendicular relationship between protrusion, and one end of each broach shell has a holding tank；One turntable has a ring body, several First bearing and several second bearings, the first bearing is annularly according to spaced set in the one side of the ring body On, the second bearing is annularly according to spaced set on the another side of the ring body, and the turntable is for broach shell fixed ring Ring body interlocking in the ring body inner circumferential on one side, making the first bearing be located at the broach shell fixed ring, and second axis It holds, surround and be resisted against on the ontology ring of the tool magazine ontology；One tool changing driving device provides a rotary power and straight line fortune Dynamic reciprocating forces, the rotary power driven and the contact with the first bearing turntable, broach shell fixed ring and broach shell into Row rotation, enables a chosen wherein broach shell to rotate to a tool change position, and tool change position is made to be located at the flat of broach shell fixed ring In the range of fourth quadrant on areal coordinate rather than it is located at immediately below its center of circle, the linear motion reciprocating forces, will be located at and change The broach shell of cutter position is stretched to one in a position of returning sword and carries out reciprocal pivot between cutter position.

Further, the ring body of the broach shell fixed ring, which is integrated, is made.

Further, the ring body of the broach shell fixed ring is formed by connecting by most arc-shaped arc blocks, and the pivot joint is convex Portion is protruded out from the outer peripheral surface of each arc block.

Further, respectively pivot joint protrusion in being formed with a pivot connected slot on the side of adjacent each broach shell turn trough；The two of each broach shell Side has protruded out a driving rod respectively, is articulated in each pivot connected slot by each driving rod, this is pivotally connected for adjacent the two of the pivot joint of same broach shell The relationship perpendicular with the two pivot joints protrusion between the pivot connected slot of protrusion.

Further, the disc type tool magazine structure-improved also includes most margining tablets, and each margining tablet is locked on respectively It on the pivot joint protrusion of the broach shell fixed ring, and will be covered on the outside of the pivot connected slot, the driving rod of the broach shell be limited to In the pivot connected slot.

Further, respectively pivot joint protrusion and the center of circle of broach shell fixed ring to circumference extend angle folded by the equal cut-off rules of radiation For the tilt angle of each pivot joint protrusion.

Further, respectively the tilt angle of pivot joint protrusion is one or several equal part chamfers.

Further, which there is a pedestal, several rolling members, a motor, a screw rod and a straight line to drive Dynamic device；The rolling member be with can original place be rotatably arranged on the pedestal, and abutted with the turntable, which is set to the base On seat, to export the rotary power, which is hubbed on the pedestal, and is contacted with the first bearing of the turntable, the screw rod It is acted on and is rotated by the rotary power of the motor, when which rotates, constantly pushed the first bearing on the turntable and drive The turntable, broach shell fixed ring and broach shell rotate simultaneously, which is set on the pedestal, to generate the linear motion Reciprocating forces.

Further, which also has a belt, which is connected between the motor and the screw rod, by the skin The rotary power that the motor is exported is transferred on the screw rod by band.

Further, which is a pneumatic cylinder.

After above-mentioned technological means, the utility model passes through tool magazine ontology, broach shell fixed ring, broach shell, turntable and tool changing The structure of driving device designs, and when the utility model is set to the inside of automatic processing machine, and is located at an automatic tool changer Side.Whereby, can be first by the tool changing driving device outputting rotary power when tool changing operation to be carried out, which passes through Contact with the first bearing and drive the turntable, broach shell fixed ring and broach shell to be rotated, make a chosen wherein broach shell Can rotation to a tool change position, and in the range of the fourth quadrant for being located at tool change position on the plane coordinates of broach shell fixed ring and Non- to be located at immediately below its center of circle, which returns sword position to one in one for the broach shell for being located at tool change position It stretches and carries out reciprocal pivot between cutter position, the effect of to reach tool changing, since the plane that tool change position is located at broach shell fixed ring is sat In the range of target fourth quadrant, i.e., so that be located at tool change position broach shell between broach shell fixed ring forefront distance be located at The broach shell of tool change position is unequal to the distance X2 between broach shell fixed ring rearmost, therefore, need not change processing machine remaining zero In the case of module position and design, singly the tool change position of broach shell can be adjusted to non-position in broach shell fixed ring by the utility model Design immediately below the center of circle, and enable the utility model to be set in processing machine with being more biased to rear, and processing machine is inclined Rearward locate the component that can't usually arrange palpus activity displacement, so, it is installed in the disc type knife that processing machine is biased to rear Library structure-improved is the normal operating that will not influence processing machine, in this way, which the utility model is when being assemblied in processing machine, just It can be relatively easy to assemble because construction space increases, moreover, due to the sky between disc type tool magazine structure-improved and processing machine front door After gap increases, the broach shell fixed ring of larger diameter just can be used, to install more broach shells and cutter, and promotes the function of processing machine Energy property, to meet the requirement of complicated processing, whereby to reach the quantity for being easy assembling and increasing foldable broach shell and cutter.

Detailed description of the invention

Fig. 1 is a kind of known perspective view of broach shell fixed ring.

Fig. 2 is a kind of known plan view of broach shell fixed ring.

Fig. 3 is schematic diagram when known broach shell is set to progress tool change position in broach shell fixed ring.

Fig. 4 provides the stereogram exploded view of a preferred embodiment by the utility model.

Fig. 5 is the three-dimensional combination figure of embodiment illustrated in fig. 4.

Fig. 6 is the left side end plan constitutional diagram of Fig. 5.

Fig. 7 is the partial component exploded view in embodiment illustrated in fig. 4.

Fig. 8 is the partial component plan view in embodiment illustrated in fig. 4.

Fig. 9 is the partial component stereogram exploded view in embodiment illustrated in fig. 4.

Figure 10 is the flat assembly drawing that broach shell and cutterhead is only presented.

Figure 11 is the action schematic diagram that single broach shell is only presented.

Figure 12 is the action schematic diagram that single broach shell is only presented.

Figure 13 is the schematic top plan view of the rigging position of known disc type tool magazine.

Figure 14 is the schematic top plan view of the rigging position of the utility model disc type tool magazine.

Figure 15 is another state sample implementation perspective view of broach shell fixed ring in the utility model.

[symbol description]

" known "

1 broach shell 2 of broach shell fixed ring

3 turn trough 4 of protrusion

The cut-off rules 6 such as pivot connected slot 5

Distance X1 distance X2

Equal part chamfer θ 1

" the utility model "

Disc type tool magazine structure-improved 100

Tool magazine ontology 10

Ontology ring 11

Broach shell fixed ring 20

21 arc block 211 of ring body

It is pivotally connected 22 broach shell turn trough 221 of protrusion

Pivot connected slot 222

Broach shell 30

31 driving rod 32 of holding tank

Cutter 33

Margining tablet 40

Turntable 50

51 first bearing 52 of ring body

Second bearing 53

Limit dust hood 60

Tool changing driving device 70

71 rolling member 72 of pedestal

73 screw rod 74 of motor

75 linear actuator 76 of belt

Automatic tool changer 80

Tiltangleθ 2

Distance X1 distance X2

The gap gap L1 L2

Equal cut-off rules 90.

Specific embodiment

For can feature to the utility model and its feature have it is further understand and approval, hereby enumerate implementation below Example simultaneously cooperates schema to be described as follows:

Fig. 4 to Figure 15 is please referred to, is a kind of disc type tool magazine improvement knot provided by one preferred embodiment of the utility model Structure 100 mainly includes a tool magazine ontology 10, a broach shell fixed ring 20, most broach shells 30, most margining tablets 40, one Turntable 50, a dust cover 60 and a tool changing driving device 70, in which:

Fig. 4 to Figure 10 is please referred to, which is fixed on the inside of processing machine, the one side of the tool magazine ontology 10 It is upper that there is an ontology ring 11.

Please refer to Fig. 4 to Figure 10, the broach shell fixed ring 20, with a ring body 21 and it is several it is parallel, equidistant, have and incline The pivot joint protrusion 22 of rake angle, in this present embodiment, each tilt angle for being pivotally connected protrusion 22 is assigned by each broach shell 30 Two times of equal part chamfer；That is, 30 quantity of broach shell of the present embodiment is 32, then equal part chamfer assigned by each broach shell 30 is 11.25 degree, so, each center of circle for being pivotally connected protrusion 22 and broach shell fixed ring 20 extends folded by the equal cut-off rules 90 of radiation to circumference Angle, the tiltangleθ 2 of as each pivot joint protrusion 22, i.e. θ 2 is 22.5 degree (as shown in Fig. 8, Figure 10).The ring body 21 is by more The arc-shaped arc blocks 211 of number connect and annular in shape；The pivot joint protrusion 22 is 211 periphery of arc block from the ring body 21 It is integrally protruded out on face, and is formed with a broach shell turn trough 221 per being pivotally connected between protrusion 22 two-by-two.Each pivot joint protrusion 22 is in adjacent On the side of each broach shell turn trough 221 and it is formed with a pivot connected slot 222, i.e., respectively has one on each side of each pivot joint protrusion 22 Pivot connected slot 222, and be in upper and lower positional relationship.

Fig. 4 to Figure 10, each broach shell 30 are please referred to, one end has a holding tank 31, and two sides have protruded out a driving rod 32 respectively. The holding tank 31 of each broach shell 30 is placed in clamping (as shown in Figure 11, Figure 12) for a cutter 33, and each broach shell 30 is respectively setting in this It in the broach shell turn trough 221 of broach shell fixed ring 20, and is articulated in the pivot connected slot 222 by the driving rod 32, this supplies same broach shell 30 The relationship perpendicular with the two pivot joints protrusion 22 between the pivot connected slot 222 of the adjacent two pivot joint protrusion 22 of pivot joint.

Fig. 4 to Figure 10 is please referred to, each margining tablet 40 is locked on respectively on the pivot joint protrusion 22 of the broach shell fixed ring 20, and will Pivot connected slot 222 is covered, and the driving rod 32 of the broach shell 30 is limited in the pivot connected slot 222, to prevent the broach shell 30 Voluntarily it is detached from the broach shell fixed ring 20.

Fig. 4 to Figure 10 is please referred to, the turntable 50, with a ring body 51, several first bearings 52 and several the Two bearings 53.The first bearing 52 is annularly according to spaced set on the one side of the ring body 51, second axis 53 are held annularly according to spaced set on the another side of the ring body 51.Ring body of the turntable 50 for broach shell fixed ring 20 21 interlockings are in 21 inner circumferential of ring body on one side, making the first bearing 52 be located at the broach shell fixed ring 20, and described second Bearing 53 can make when the turntable 50 is by external force, the turntable around being resisted against on the ontology ring 11 of the tool magazine ontology 10 50 can be rotated relative to the tool magazine ontology 10, and the broach shell fixed ring 20 and broach shell 30 is driven to rotate synchronously.

Fig. 4 to Figure 10 is please referred to, which is set between the tool magazine ontology 10 and the turntable 50, to prevent foreign matter Into in the turntable 50 and the broach shell fixed ring 20.

Fig. 4 to Figure 10 is please referred to, which has a pedestal 71, several rolling members 72, a motor 73, a screw rod 74, a belt 75 and a linear actuator 76.The rolling member 72 with can original place be rotatably arranged in the pedestal 71 On, and abutted with the turntable 50, make turntable 50 that can not be detached from tool magazine ontology 10；The motor 73 is set on the pedestal 71, to Export a rotary power；The screw rod 74 is hubbed on the pedestal 71, and contacts with the first bearing of the turntable 50 52；The belt 75 It is connected between the motor 73 and the screw rod 74, makes that the rotary power that the motor 73 is exported is transferred to the screw rod by the belt 75 On 74, when so that the screw rod 74 rotating, the first bearing 52 on the turntable 50 is constantly pushed, and drives the turntable 50, broach shell 30 synchronous rotary of fixed ring 20 and broach shell；The linear actuator 76 is set on the pedestal 71, to generate a linear motion Reciprocating forces, the linear actuator 76 is a pneumatic cylinder in this present embodiment, to apply to the broach shell 30 for being located at tool change position Active force is given, to drive the broach shell 30 to stretch to one in a state of returning sword and carry out reciprocal pivot between cutter position.

So above-mentioned is each portion of the provided disc type tool magazine structure-improved 100 of one preferred embodiment of the utility model Its handling characteristics is then described below by the introduction of component and its assembling mode again:

Firstly, the utility model is set to the inside of automatic processing machine, and it is located at the side of an automatic tool changer 80. It whereby, can be first by 73 outputting rotary power of motor of the tool changing driving device 70 to drive the screw rod when tool changing operation to be carried out 74 rotations, and the first bearing 52 on the turntable 50 is constantly pushed by the screw rod 74, and drive the turntable 50, broach shell fixed ring 20 and broach shell 30 rotate simultaneously, make at this time should at preset broach shell 30 and its rotation a to tool change position of clamped cutter 33 Motor 73 stop output, and by the linear actuator 76 to be located at tool change position broach shell 30 bestow active force, with drive this one Broach shell 30 is switched to by the state of returning sword (as shown in figure 11) stretches knife-like state (as shown in figure 12).At this point, just by the automatic cutter changing machine Structure 80 simultaneously hands over the cutter (not shown) on a main shaft with the cutter 33 for stretching knife-like state positioned at tool change position and being switched to Operation (its exchanging operation is known techniques, and appearance is not added to repeat) is changed, the effect of to reach tool changing.

Please refer to shown in Fig. 8, Figure 10, due to the utility model have 32 broach shells 33 embodiment in, in the broach shell Each pivot joint protrusion 22 in fixed ring 20 tilts 22.5 degree clockwise, that is, has tilted the angle of two equal part chamfers Degree moves the position of two equal part chamfers counterclockwise again immediately below the center of circle that each broach shell 30 turns to broach shell fixed ring 20 When setting, two pivot joint protrusions 22 of the broach shell 30 for going to the position are that can be articulated in two pivot joint protrusions with ground at vertical relation What 22 broach shell 30 can not then be interfered drives the broach shell 30 to stretch between cutter position in a state of returning sword to one with linear actuator 76 Carry out reciprocal pivot, that is, the tool change position of the present embodiment will not be located at the center of circle following position directly of broach shell fixed ring 20 (as schemed Shown in 10), and it is located at the position that center of circle following location directly is counterclockwise displaced two equal part chamfers again, that is, tool changing Position is located in the range of the fourth quadrant of the plane coordinates of broach shell fixed ring 20, i.e., so that be located at tool change position broach shell 30 to Distance X1 between 20 forefront of broach shell fixed ring and positioned at tool change position broach shell 30 between 20 rearmost of broach shell fixed ring away from It is unequal from X2, and be X1 as shown in Figure 10 less than X2().Wherein, respectively the tiltangleθ 2 of pivot joint protrusion 22 can be changed according to selected Cutter position, and the angle of one or several equal part chamfers should be tilted with the condition of 30 quantity of broach shell each pivot joint protrusion 22 of being converted.

Therefore, it in the case of need not change remaining spare part position of processing machine and design, can singly be incited somebody to action by the utility model The tool change position of broach shell 30 adjusts the design to non-position immediately below 20 center of circle of broach shell fixed ring, and enable the utility model with compared with To be set in processing machine with being biased to rear, and can't usually arrange at the deviation rear of processing machine must the movable structure being displaced Part, so, being installed in processing machine and being biased to the disc type tool magazine structure-improved 100 at rear is the normal behaviour that will not influence processing machine Make.It please refers to shown in Figure 13, the gap L1 between known disc type tool magazine and processing machine front door is comparable short, please refers to Figure 14 institute Show, but the gap L2 between the disc type tool magazine structure-improved 100 and processing machine front door of the utility model can then be increased.Such one Come, the utility model will be relatively easy to assemble when being assemblied in processing machine because construction space increases.Moreover due to circle After gap between disc tool magazine structure-improved 100 and processing machine front door increases, the broach shell fixed ring 20 of larger diameter just can be used, To install more broach shells and cutter, and promote the functionality of processing machine, to meet the requirement of complicated processing.

In addition, though the ring body 21 of the broach shell fixed ring 20 is made of most arc blocks 211 in above-described embodiment. But in fact, the ring body 21 of broach shell fixed ring 20 can also be one of the forming (as shown in figure 15), not only same it can reach identical Effect, integrally formed ring body 21 more can increase intensity and rigidity.

It is above to be taken off, preferred embodiment only provided by the utility model, not to limit the utility model Practical range, all those skilled in the art should all belong to the utility model institute according to the equivalent change carried out by the utility model The range covered.

Claims (10)

1. a kind of disc type tool magazine structure-improved, characterized by comprising:

One tool magazine ontology has an ontology ring；

One broach shell fixed ring, the broach shell fixed ring is with a ring body and several pivot joints parallel, equidistant, with tilt angle Protrusion, the ring body is annular in shape, and the pivot joint protrusion is protruded out from the outer peripheral surface of the ring body, and is often pivotally connected protrusion two-by-two Between be formed with a broach shell turn trough；

Most broach shells are hubbed at respectively in each broach shell turn trough of the broach shell fixed ring, and the articulated section of each broach shell is pivotally connected with it is supplied Perpendicular relationship between adjacent two pivot joint protrusion, one end of each broach shell have a holding tank；

One turntable, have a ring body, several first bearings and several second bearings, the first bearing annularly according to Spaced set is on the one side of the ring body, and the second bearing is annularly according to spaced set in the ring body On another side, the turntable for broach shell fixed ring ring body interlocking on one side, so that the first bearing is located at the broach shell The ring body inner circumferential of fixed ring, and the second bearing then surround and is resisted against on the ontology ring of the tool magazine ontology；

One tool changing driving device, provides a rotary power and a linear motion reciprocating forces, the rotary power by with this The contact of one bearing and drive the turntable, broach shell fixed ring and broach shell to be rotated, so that a chosen wherein broach shell is rotated To a tool change position, and in the range of the fourth quadrant for being located at tool change position on the plane coordinates of broach shell fixed ring rather than it is located at Immediately below its center of circle, which stretches knife position to one in a position of returning sword for the broach shell for being located at tool change position Reciprocal pivot is carried out between setting.

2. disc type tool magazine structure-improved according to claim 1, it is characterised in that: the ring body of the broach shell fixed ring is one System at.

3. disc type tool magazine structure-improved according to claim 1, it is characterised in that: the ring body of the broach shell fixed ring be by Most arc-shaped arc blocks are formed by connecting, and the pivot joint protrusion is protruded out from the outer peripheral surface of each arc block.

4. disc type tool magazine structure-improved according to claim 1, it is characterised in that: each pivot joint protrusion is in adjacent each knife It covers and is formed with a pivot connected slot on the side of turn trough；Two sides of each broach shell have protruded out a driving rod respectively, are articulated in by each driving rod In each pivot connected slot, this is pivotally connected between the pivot connected slot of protrusion perpendicular with the two pivot joints protrusion for adjacent the two of the pivot joint of same broach shell Relationship.

5. disc type tool magazine structure-improved according to claim 4, it is characterised in that: also include most margining tablets, respectively Margining tablet is locked on respectively on the pivot joint protrusion of the broach shell fixed ring, and will be covered on the outside of the pivot connected slot, by the knife The driving rod of set is limited in the pivot connected slot.

6. disc type tool magazine structure-improved according to claim 1, it is characterised in that: each pivot joint protrusion and broach shell fixed ring To extend angle folded by the equal cut-off rules of radiation to circumference be each tilt angle for being pivotally connected protrusion in the center of circle.

7. disc type tool magazine structure-improved according to claim 6, it is characterised in that: respectively the tilt angle of pivot joint protrusion is One or several equal part chamfers.

8. disc type tool magazine structure-improved according to claim 1, it is characterised in that: the tool changing driving device has a base Seat, several rolling members, a motor, a screw rod and a linear actuator；The rolling member be with can original place be rotatably arranged in It on the pedestal, and is abutted with the turntable, which is set on the pedestal, and to export the rotary power, which is hubbed at It on the pedestal, and is contacted with the first bearing of the turntable, which is acted on by the rotary power of the motor and rotated, screw rod rotation When turning, constantly pushes the first bearing on the turntable and drive the turntable, broach shell fixed ring and broach shell while rotating, the straight line Driver is set on the pedestal, to generate the linear motion reciprocating forces.

9. disc type tool magazine structure-improved according to claim 8, it is characterised in that: the tool changing driving device also has one Belt, the belt are connected between the motor and the screw rod, and the rotary power that the motor is exported is transferred to the spiral shell by the belt On bar.

10. disc type tool magazine structure-improved according to claim 8, it is characterised in that: the linear actuator is an air pressure Cylinder.