CN2640664Y

CN2640664Y - Knife sleeve brake

Info

Publication number: CN2640664Y
Application number: CN 03266320
Authority: CN
Inventors: 张庆三
Original assignee: Sanjet International Co Ltd
Current assignee: Sanjet International Co Ltd
Priority date: 2003-07-07
Filing date: 2003-07-07
Publication date: 2004-09-15
Anticipated expiration: 2013-07-07

Abstract

The utility model relates to a knife pouch braking device, which comprises a disc base frame, a knife pouch rack and a braking mechanism. the bottom of the base frame is provided with a gap, which makes the knife pouch corresponding with the gas and pin jointed with the knife pouch rack controlled by the braking mechanism to change the furnishings status, the braking mechanism adopts the linkage mechanism to design, and uses the lever principle to achieve the aim to affect the knife pouch changing between the sidelong setting status and the inverted status.

Description

The broach shell engine device

Technical field

The utility model relates to comprehensive turning centre machine, is meant a kind of broach shell engine device especially.

Background technology

The tool magazine structure of existing turning centre machine mainly can be put frame and a stopper mechanism forms relative to the broach shell that pedestal rotates by a disk pedestal,, broach shell is put the frame periphery ring and is established and be articulated with most broach shells, at ordinary times each broach shell be level to being horizontally set with so that place, when carrying out tool changing, can change specific broach shell into handstand state by the state of being horizontally set with by stopper mechanism and grasp tool changing with the tool change arm that makes things convenient for the turning centre machine when the selected cutter that need use of turning centre machine control.

Commonly use stopper mechanism and be that motion bar with flexible cylinder pressure advances or the action that retreats and directly drive a pawl and collude and pull specific broach shell and do pivot, but this mode that directly drives with cylinder pressure is because of overcoming the gross weight of broach shell and cutter, it is big to make cylinder pressure bear load, and the mode that directly drives with cylinder pressure easily produces disease beginning all standing situation to the pivot of broach shell and produces the shortcoming of bump.

At above-mentioned shortcoming, the pattern that has dealer spy that stopper mechanism is changed into to cooperate with guide wheel with the guide groove with arching trajectory is smooth-going to reach the broach shell pivot, and the load of reduction drive source (as cylinder pressure).This structure is found in No. 86221076 novel patent case of Taiwan application case.Though the structure of this kind form has overcome the shortcoming of the disease beginning all standing of early stage stopper mechanism, but, matching design between arc guide barrel and the guide wheel but increases inconvenience on foot with making, and guide wheel uses afterwards easy to wear for a long time and increases the gap that cooperates with guide groove, can make that so on the contrary the broach shell location is uncertain, guide wheel to be updated is arranged, but and the renewal of guide wheel assembling is to increase inconvenience on foot.

Summary of the invention

At the problems referred to above, main purpose of the present utility model provides a kind of broach shell engine device, and it can pivot by smooth-going area moving knife cover, and can reduce the load of drive source.

Secondary objective of the present utility model is to provide a kind of broach shell engine device, and it adopts the design of linkage, turns and the purpose that reduces the driving load to reach smooth-going.

In order to achieve the above object, a kind of broach shell engine device provided by the utility model, it includes: a disk pedestal, its card have a vertical approaching channel, and approaching channel one end also is communicated to base bottom and forms a breach; One broach shell is put frame, has a pivot in pedestal the place ahead and the round turntable that can rotate relative to pedestal, and the rotating disk periphery ring is around being articulated with most broach shells, and each broach shell rear end has one and affects portion; One stopper mechanism, include a sliding part, one swing component, one moving part and an actuator, wherein sliding part can be on the pedestal approaching channel, move down, and sliding part have the portion of slippaging can with the corresponding broach shell that is positioned at the pedestal indentation, there affect portion's combination, swing component axle pivot is at the pedestal back side, have one first contact and one second contact, moving part one end and swing component first contact articulate, the moving part other end then articulates with sliding part, actuator has a pivot end and is articulated in the pedestal back side, the actuator other end is that a drive end and swing component second contact articulate, and drive end axle pivot end generation front and back displacement relatively.

Description of drawings

Fig. 1 is the exploded perspective view of the utility model one preferred embodiment;

Fig. 2 is the exploded perspective view of above-mentioned another angle of preferred embodiment of the utility model;

Fig. 3 is the assembled sectional view of the above-mentioned preferred embodiment of the utility model, illustrates that broach shell is the state of being horizontally set with;

Fig. 4 is the schematic rear view of the above-mentioned preferred embodiment of the utility model, illustrates that stopper mechanism do not move;

Fig. 5 is Fig. 4 roughly the same, and the state of stopper mechanism action is described;

Fig. 6 is Fig. 3 roughly the same, illustrates that the broach shell that is positioned at the below is handstand state.

The specific embodiment

Now enumerate preferred embodiment of the present utility model, and conjunction with figs. is elaborated.

As Fig. 1～shown in Figure 3, the utility model broach shell engine device is put frame 20, most broach shells 30 and a stopper mechanism 40 by a disk pedestal 10, a broach shell and is formed jointly; Wherein:

Disk pedestal 10 has a disc 11, a ring frame 12 and an axle bed 13, below being positioned at axle bed 13, the front of disc 11 locates to be recessed to form a vertical approaching channel 14, approaching channel 14 1 ends are stretched down and are established and form a breach 15 at place, ring frame 12 bottoms, one guide hole 16 is opened in disc 11 back sides and is communicated with approaching channel 14, outstandingly at disc 11 back sides be formed with a pivot seat 17, also be formed with a pivot seat 18 at disc 11 back sides.

Broach shell is put frame 20 and is had a pivot on disc 11 axle beds 13 and the round turntable 21 that can rotate relative to pedestal 10, rotating disk 21 peripheries in equally spaced mode around being articulated with each broach shell 30, as shown in Figure 2, broach shell 30 is articulated on the projection 22 of rotating disk 21 by axostylus axostyle 31, make broach shell 30 to do pivot point in axle pivot place, and for example shown in Figure 3, each broach shell 30 is the state of being horizontally set with at ordinary times, and broach shell 30 rear ends have an outstanding portion 32 that affects.

Stopper mechanism 40 is made up of a sliding part 41, a swing component 42, a moving part 43 and an actuator 44, wherein:

Sliding part 41 is plate-like, its positive bottom is extruded with forward by two projections 411, the 412 common portions of slippaging that constitute, two projections 411,412 just be clipping shape correspondence up and down be positioned at pedestal 10 breach 15 places broach shell 30 affect portion 32 (as shown in Figure 3), sliding part 41 back sides then are extruded with one and have the cylinder 413 that connects the hole, when sliding part 41 is placed in the approaching channel 14, and when cylinder 413 protrudes in disc 11 back sides from guide hole 16, with two pressing plates 45 sliding part 41 is locked in the front of disc 11, both can avoid sliding part 41 from the approaching channel 14 of pedestal 10, to break away from, and can make the sliding part 41 can only be on approaching channel 14 again, move down.

Swing component 42 is installed in disc 11 back sides, and it has the length of the length of be connected a L-shaped the first arm 421 and one second arm, 422, the second arms 422 greater than the first arm 421.Swing component 42 has an articulated section 423 that is circular hole, wears and locks knot on axle pivot seat 17 for an interlocking assembly 46, makes that swing component 42 can the articulated section be that swing is done in the axle center.One is the end that round first contact 424 that connects the hole is arranged on the first arm 421, and one is similarly the end that round second contact 425 that connects the hole is arranged on second arm 422.

Moving part 43 is the long slab piece, and the one end utilizes first contact 424 of double pointed nail 431 and fastener 432 and swing component 42 to articulate, and moving part 43 other ends articulate with the cylinder 413 at double pointed nail 433 and the fastener 434 and sliding part 41 back sides equally.

For having the pneumatic cylinder of an expansion link 441, the outstanding pivot ear 443 of the end of pneumatic cylinder cylinder body 442 is as axle pivot end in the present embodiment for actuator 44, and pivot ear 443 passes and is articulated on the pivot seat 18 for a pivot pin 47, makes actuator 44 be combined in disc 11 back sides.In addition, the front end that actuator 44 is set in the expansion link 441 in the cylinder body 442 is to articulate by second contact 425 of a switching piece 444 with swing component 42, and at this end formation drive end, that is, and this drive end axle pivot end generation front and back displacement relatively when pneumatic cylinder moves.

More than be the explanation of each member of the utility model broach shell engine device and associated location thereof, then, structure of the present utility model can be reached affect the action of broach shell 30 switchings to be described below again:

As shown in Figure 4, the state that produces action is not opened by expression stopper mechanism 40, at this moment, the expansion link 441 of actuator 44 maintains the state of stretching out, put each broach shell 30 on the frame 20 and be level to being horizontally set with (as shown in Figure 3) and be articulated in broach shell, and the portion 32 that affects of the broach shell 30 below just drops between two projections 411,412.

In the time will carrying out tool changing, must be earlier broach shell 30 be changed into handstand state by the state of being horizontally set with, to make things convenient for tool change arm to grasp tool changing, expansion link 441 by control actuator 44 is retracted into cylinder body 442 inside (as shown in Figure 5), to affect swing component 42 with the counter clockwise direction swing, cause simultaneously on the position of first contact 424 of the first arm 421 and move, by affecting between two parties of moving part 43, will be carrying on the sliding part 41, as shown in Figure 6, broach shell 30 this moment is a pivot point with axostylus axostyle 31, will be gone to handstand state by plate with mild speed; Otherwise, when expansion link 441 stretches out, 30 of broach shells by the plate reply to the state of being horizontally set with (as shown in Figure 3).

From the above, the utility model stopper mechanism 40 connects design with linkage, use lever principle dexterously, and the length of second arm 422 is greater than the length of the first arm 421, therefore actuator 44 (pneumatic cylinder) only can drive and change the ornaments state of broach shell 30 with the less application of force, purpose with reduction drive source (being pneumatic cylinder) load, and can reach the effect that smooth-going drive broach shell pivots, and, the utility model structural design is simple, and is all easy than commonly using mechanism in processing and fabricating and assembling.

Claims

1, a kind of broach shell engine device is characterized in that including:

One disk pedestal, its card have a vertical approaching channel, and described approaching channel one end is communicated to base bottom and forms a breach;

One broach shell is put frame, has a pivot in described pedestal the place ahead and the round turntable that can rotate relative to pedestal, and described rotating disk periphery ring is around being articulated with most broach shells, and described each broach shell rear end has one and affects portion;

One stopper mechanism, include a sliding part, one swing component, one moving part and an actuator, wherein said sliding part can be on the pedestal approaching channel, move down, and described sliding part have the portion of slippaging can with the corresponding broach shell that is positioned at the pedestal indentation, there affect portion's combination, described swing component axle pivot is at the described pedestal back side, and described swing component has one first contact and one second contact, described moving part one end and described swing component first contact articulate, the described moving part other end then articulates with described sliding part, described actuator has a pivot end and is articulated in the pedestal back side, the described actuator other end is a drive end and articulates with described swing component second contact, displacement before and after described drive end can described relatively axle pivot end produces.

2, broach shell engine device as claimed in claim 1 is characterized in that: described actuator is the cylinder pressure with an expansion link, and the cylinder body end of described cylinder pressure is an axle pivot end, and described expansion link is set in the cylinder body and the expansion link front end is described drive end.

3, broach shell engine device as claimed in claim 2 is characterized in that: described swing component has a first arm and one second arm that is connected, and described the first arm end is described first contact, and described second arm end is described second contact.

4, broach shell engine device as claimed in claim 3, it is characterized in that: the length of described second arm is greater than the length of described the first arm.