CN202701428U

CN202701428U - Cutterhead positioner

Info

Publication number: CN202701428U
Application number: CN 201220242202
Authority: CN
Inventors: 陆志伟; 陈军
Original assignee: ZHEJIANG MOTORBACS AUTOPARTS CO Ltd
Current assignee: Zhejiang Motorbacs Technology Co Ltd
Priority date: 2012-05-23
Filing date: 2012-05-23
Publication date: 2013-01-30
Anticipated expiration: 2022-05-23

Abstract

Disclosed is a cutterhead positioner, wherein a cutterhead is rotatably connected to a fixed plate, and a plurality of cutters are arranged on the cutterhead along the circumference of the cutterhead. The cutterhead positioner is characterized in that the position on the periphery of the cutterhead corresponding to each cutter is respectively provided with an inductor; the periphery of the fixed plate is provided with an induction contact respectively and correspondingly contacted to each of the inductors; and a locking device is arranged between the fixed plate and the cutterhead and is used for preventing the cutterhead from rotating relative to the fixed plate when the induction contact is corresponding contacted to the inductors. According to the utility model, whether the cutterhead is rotated in place can be detected through the cooperation of the electronic induction contact and the inductors, not only is a work efficiency raised, but also the rotation positioning precision of the cutterhead is guaranteed, thereby the rotation deviation of the cutterhead relative to the fixed plate is prevented in processing, and the rotation positioning reliability of the cutterhead is guaranteed.

Description

The cutterhead positioner

Technical field

The utility model relates to a kind of cutterhead positioner.

Background technology

For rotary knife rest, usually the much knives tool to be installed on its knife rest, each cutter installs in advance by processing sequence, after the cutting once, realizes the replacement of cutter by the transposition of knife rest.

In the prior art, be that the Chinese utility model " vertical turret " of ZL90208161.6 is a kind of improvement invention to the used knife rest of present engine lathe such as the patent No., its structure mainly is at main shaft rotating vertical tool holder to be housed, lathe tool more than 3 can be housed according to the different cutter of at any time conversion of needs of machining on the knife rest, its conversion location is to insert positioning groove by slide jaw to realize.

The rotational positioning of above-mentioned patent intermediate slide is that the cooperation by positioning groove and alignment pin realizes, need the manual detection knife rest whether to rotate in place at every turn, and then alignment pin inserted in the corresponding positioning groove, this locate mode inefficiency, the length that expends time in, and in the situation that do not rotate in place, also can't realize the cooperation of positioning groove and alignment pin, cause and reliably to locate or to locate the problems such as not firm, therefore, await to do further improvement.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of simple in structure, reliable cutterhead positioner of accurate positioning for above-mentioned prior art present situation.

The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of cutterhead positioner, described cutterhead is rotationally connected with on the fixed head, the edge circumferentially is equipped with the much knives tool on this cutterhead, it is characterized in that: be respectively arranged with an inductor in the position of corresponding each cutter on the periphery of described cutterhead, being provided with one on the periphery of described fixed head can be respectively and the induction contact of the corresponding contact of each described inductor, also is provided with between described fixed head and the cutterhead under described induction contact and the corresponding state that contact of inductor and prevents that described cutterhead is with respect to the locking device of fixed head rotation.

Consider easy to process and simple in structure, as preferably, described locking device includes drive unit, the front of described fixed head offers the first locating hole, the front of described cutterhead is along the second locating hole that circumferentially offers a plurality of intervals that can be respectively align with described the first locating hole and arrange, the interval angle of described the second locating hole is the interval angle that described cutter distributes along described cutterhead, under the corresponding state that contacts of described induction contact and inductor, described drive unit has telescopic connecting rod, and this connecting rod is realized being fixedly connected with of described fixed head and cutterhead with the second locating hole stretching out the first locating hole that passes mutual alignment under the state.

Compared with prior art, the utility model has the advantage of: the cooperation by electronic induction contact and inductor realizes the detection whether cutterhead rotate in place, namely after cutterhead rotate in place, induced signal triggers the hydraulic cylinder action, hydraulic cylinder control piston rod inserts within first locating hole and the second locating hole of mutually alignment, thereby realizes being fixedly connected with of cutterhead and fixed head; When cutterhead will be rotated further, hydraulic cylinder control piston rod was retracted, and cutterhead can be realized rotating with respect to fixed head again; This cutterhead positioner adopts the mode of detection of electrons and machine automatization locking to combine, not only improved operating efficiency, also guaranteed the precision of cutterhead rotational positioning, thereby prevented that in process cutterhead with respect to the fixed head skew that rotates, guarantees the reliability of cutterhead rotational positioning.

Description of drawings

Fig. 1 is one of the cutter frame structure schematic diagram that the cutterhead positioner of the utility model embodiment is installed.

Fig. 2 be equipped with the utility model embodiment the cutterhead positioner the cutter frame structure schematic diagram two.

Fig. 3 is cutterhead and the fixed head part-structure three-dimensional exploded view of knife rest shown in Figure 1.

Fig. 4 is the use state diagram of the cutterhead positioner of the utility model embodiment.

The specific embodiment

Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.

Such as Fig. 1～shown in Figure 4, the cutterhead positioner of the present embodiment is a kind of for the detent mechanism on the rotary tower type knife rest 3 of tube end maching equipment, wherein, this rotary tower type knife rest 3 includes the fixed head 31 of vertical setting and is connected in rotationally cutterhead 32 on this fixed head 31, on the cutterhead 32 along the cutter 6 that many handles circumferentially are installed are used for the processing of pipe fitting end face.

The cutterhead 32 of the present embodiment is a disc structure, can be once along circumferentially installing 12 cutter 6, the periphery of cutterhead 32 offers the through hole 322 of radially arranging in the installation site of corresponding each cutter 6, be inserted with the spacer pin 7 that can prevent that cutter 6 from rotating in the through hole 322.

More accurate in order to guarantee that cutterhead 32 rotated after the angle location, prevent simultaneously in process, cutterhead 32 skew that rotates, be provided with the electronic induction locking device on the knife rest 3 of the present embodiment, concrete structure is: the periphery of cutterhead 32 is respectively arranged with an inductor 323 in the position of corresponding each cutter 6, and fixed head 31 is provided with one at periphery can be respectively and the induction contact 311 of each inductor 323 corresponding contact;

Also be provided with locking device between fixed head 31 and the cutterhead 32, this locking device includes two hydraulic cylinders 54, the front of fixed head 31 respectively offers the first locating hole 312 along the two ends of any radial line direction, the position of each the first locating hole 312 is equipped with a hydraulic cylinder 54, the front of cutterhead 32 is that cutter 6 on the cutterhead 32 is along the interval angle that circumferentially distributes along the interval angle that circumferentially then offers the second locating hole 324, the second locating holes 324 that a plurality of intervals that can be respectively align with the first locating hole 312 arrange;

In order to improve connection reliability, simultaneously convenient wearing and tearing are changed, in each first locating hole 312, be provided with the first axle sleeve 541, in each second locating hole 324, be provided with the second axle sleeve 542, under induction contact 311 and states that any one inductor 323 contacts relatively, the electronic induction switch conduction, and send a signal to two hydraulic cylinders 54, the piston rod 543 of each hydraulic cylinder 54 stretches out and penetrates in the second axle sleeve 542 of the first axle sleeve 541 of one group of first locating hole 312 that aligns and the second locating hole 324, thereby realize the locking between cutterhead 32 and the fixed head 31, whether inductor 323 and induction contact 311 can detect cutterhead 32 and rotate in place, improve the accuracy that cutterhead 32 rotates, locking device can be realized the fixing of cutterhead 32 after cutterhead 32 rotate in place, prevent cutter 6 skews, guarantee precision (pipe end circularity machining accuracy can guarantee in 0.05mm) and the reliability of cutter 6 work, promote the product processing quality of pipe fitting.

During work, as shown in Figure 4, after cutterhead 32 rotate in place, inductor 323 and corresponding induction contact 311 alignment, and sending electronic signal to hydraulic cylinder 54, the piston rod 543 of hydraulic cylinder 54 stretches out and fixed head 31 and cutterhead 32 is fixed in one, thereby realizes the rotational positioning of cutterhead.The hydraulic cylinder 54 of the present embodiment also can substitute with other drive units such as cylinder or motors.

Claims

1. cutterhead positioner, described cutterhead (32) is rotationally connected with on the fixed head (31), this cutterhead (32) is upper along much knives tool (6) circumferentially is installed, it is characterized in that: be respectively arranged with an inductor (323) in the position of corresponding each cutter (6) on the periphery of described cutterhead (32), being provided with one on the periphery of described fixed head (31) can be respectively and the induction contact (311) of the corresponding contact of each described inductor (323), also is provided with between described fixed head (31) and the cutterhead (32) under described induction contact (311) and the corresponding state that contacts of inductor (323) and prevents that described cutterhead (32) is with respect to the locking device of fixed head (31) rotation.

2. cutterhead positioner according to claim 1, it is characterized in that: described locking device includes drive unit, the front of described fixed head (31) offers the first locating hole (312), the front of described cutterhead (32) is along the second locating hole (324) that circumferentially offers a plurality of intervals that can be respectively align with described the first locating hole (312) and arrange, the interval angle of described the second locating hole (324) is the interval angle that described cutter (6) distributes along described cutterhead (32), under the corresponding state that contacts of described induction contact (311) and inductor (323), described drive unit has telescopic connecting rod (543), and this connecting rod (543) is realized being fixedly connected with of described fixed head (31) and cutterhead (32) with the second locating hole (324) stretching out the first locating hole (312) that passes mutual alignment under the state.