CN103394933B

CN103394933B - A kind of machining equipment

Info

Publication number: CN103394933B
Application number: CN201310329946.8A
Authority: CN
Inventors: 田晓鹏; 安高灵; 杨永茂; 潘忠明; 邵丹
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Zoomlion Heavy Industry Science and Technology Co Ltd Weinan Branch
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Zoomlion Heavy Industry Science and Technology Co Ltd Weinan Branch
Priority date: 2013-07-31
Filing date: 2013-07-31
Publication date: 2016-02-17
Anticipated expiration: 2033-07-31
Also published as: CN103394933A

Abstract

The invention discloses a kind of machining equipment, this machining equipment comprises workbench (300) and Working piece positioning device, Working piece positioning device comprises centering machine (100) and clamp system (400), wherein, the axial location seat (106) that centering machine comprises contrary the first leading screw (101) of rotation direction and the second leading screw (102) and moves along the axial direction of the first leading screw and the second leading screw for the second screw rod of the first screw rod and the second leading screw that stop the first leading screw, first nut of the first leading screw and the second nut of the second leading screw are separately installed with keeper (103), wherein: when rotation first screw rod or the second screw rod, the keeper on the first nut and the keeper on the second nut can move towards one another and holding workpiece (200), make the holding portion of workpiece symmetrical about longitudinal center's axis (y) of workbench.Above-mentioned centering machine structure is simple and easy to operate, thus shortens alignment time, improves working (machining) efficiency.

Description

A kind of machining equipment

Technical field

The present invention relates to field of machining, particularly, relate to a kind of machining equipment.

Background technology

In the machining process of excavator swing arm, dipper etc., need first to be positioned workpiece by positioner, after Workpiece fixing is complete, by cutter, the processing such as boring, milling is carried out to workpiece again.As shown in Figure 1, the existing Working piece positioning device clamp system 400, vertical location device 600, located lateral block 3 and the supporting screw 2 that generally include two axles 4 for positioning, base 1 and be arranged on this base 1.This Working piece positioning device positions with the hole of two on workpiece 200, and position fixing process comprises following step: two holes of 1) two of Working piece positioning device axles 4 being inserted respectively workpiece 200; 2) by suspender workpiece 200 sling and workpiece 200 is placed on located lateral block 3, axle 4 is made to be supported on located lateral block 3, and make the end face in hole be close to the side of located lateral block 3, prevent workpiece 200 from moving along workbench longitudinal direction by vertical location device 600 in this process; 3) adjust the height of supporting screw 2, make supporting screw 2 withstand workpiece 200, then two axles 4 are extracted out; 4) extract the first bearing pin 5 on located lateral block 3, located lateral block 3 is rotated up certain angle and avoids the end face in two holes; 5) clamp all clamp systems 400, start processing.

There is following defect in above-mentioned existing Working piece positioning device: 1) because the reasons such as welding distortion cause on workpiece 200 two holes to there is larger tolerance, thus cause the distance between on workpiece 200 two holes not fixed, and the distance between two of Working piece positioning device located lateral blocks 3 is fixing, so cause having a hole cannot realize effective location in two holes; 2) need when axle 4 is extracted by supporting screw 2 by workpiece 200 jack-up certain altitude, complex operation; 3) because the end face in the hole on workpiece 200 is close in the side of located lateral block 3, so the first bearing pin 5 on located lateral block 3 is difficult to extract, located lateral block 3 is caused to rotate difficulty.

In addition, existing Working piece positioning device is the following defect of ubiquity also: 1) in the centering process of excavator boom, whether frequent needs are symmetrical about longitudinal center's axis of workbench for benchmark detects two right otic placodes of the otic placode of excavator boom with the main shaft of lathe, time and effort consuming, causes working (machining) efficiency low; 2) existing machinery process equipment is when processing the workpiece of different model, need to adjust the distance between the clamp system being used for clamping work pieces, and when adjusting the distance between clamp system, need the position first determining the required adjustment of clamp system, then to sling clamp system, clamp system is adjusted to suitable position; 3) in existing positioner, only simply by screw or fixed support block workpiece positioned and support, thus causing the defect that the bearing height of workpiece is unadjustable, Workpiece fixing angle is single and Workpiece fixing is unstable.

Summary of the invention

The present invention is intended to overcome the defect that exists in above-mentioned prior art and provides a kind of machining equipment, and the centering machine structure of this machining equipment is simple and easy to operate, and can realize the effective location to workpiece.

To achieve these goals, the invention provides a kind of machining equipment, this machining equipment comprises workbench and is arranged on the Working piece positioning device on this workbench, described Working piece positioning device comprises centering machine and the clamp system for clamping work pieces, wherein, the axial location seat that described centering machine comprises the first contrary leading screw of rotation direction and the second leading screw and moves along the axial direction of described first leading screw and the second leading screw for the second screw rod of the first screw rod and the second leading screw that stop described first leading screw, described first screw rod aligns with described second screw axial and afterbody is connected, first nut of described first leading screw and the second nut of described second leading screw are separately installed with keeper, wherein:

Described first screw rod and the second screw rod are perpendicular to longitudinal center's axis of described workbench, and the keeper on described first nut and the keeper on described second nut lay respectively at the both sides of described workpiece, keeper on first nut described in when rotating described first screw rod or the second screw rod and the keeper on described second nut can move towards one another and clamp described workpiece, make the holding portion of described workpiece symmetrical about longitudinal center's axis of described workbench.

Preferably, described centering machine also comprises bearing block, and described first screw rod and the second screw rod are rotatably installed on described bearing block by bearing.

Preferably, the diameter of described first screw rod and the second screw rod is all equal with pitch; Described keeper has the locating surface for clamping described workpiece, and the distance between the locating surface of the keeper on the second nut described in the Distance geometry between the locating surface of the keeper on described first nut and longitudinal center's axis of described workbench and longitudinal center's axis of described workbench is equal.

Preferably, described first screw rod and the second screw rod entirety are formed as a screw rod.

Preferably, the middle part of a described screw rod is formed with the shaft shoulder, is formed with spatial accommodation and has two confined planes in described axial location seat, and the described shaft shoulder is contained in described spatial accommodation and two of the described shaft shoulder end faces are fitted with described two confined planes respectively.

Preferably, described workpiece is arranged porose, two described keepers are suitable for two end faces clamping described hole; Described keeper is pivotably mounted on the first nut of described first leading screw and the second nut of described second leading screw, and described keeper can rotate between clip position and home position.

Preferably, two described keepers are arranged on described first nut and the second nut respectively by two mount pads, and two described mount pads are separately fixed on described first nut and the second nut, and described keeper is pivotably mounted on described mount pad.

Preferably, described keeper is arranged on described mount pad by the second bearing pin, and described second bearing pin is parallel to described first screw rod and the second screw rod.

Preferably, described keeper comprises turnover panel and locating piece, and one end of described turnover panel is pivotably mounted on described mount pad, and described locating piece is fixed by screws in the other end of described turnover panel.

Preferably, described centering machine also comprises guide and the first guide rail, described first guide rail extends along the axial direction of described first leading screw and the second leading screw, and described mount pad is arranged on described guide, and described guide can move along described first guide rail.

Preferably, described centering machine also comprises the first bearing, and described bearing block, the first guide rail and axial location seat are arranged on described first bearing.

Preferably, described centering machine also comprises the first support member, and this first support member is used for providing support described keeper when described keeper rotates to described clip position.

Preferably, the end of described first screw rod and/or described second screw rod is connected with handle.

Preferably, described workpiece has otic placode pair, described Working piece positioning device also comprises for detecting two right otic placodes of described otic placode whether about the otic placode testing agency of longitudinal center's axis symmetry of described workbench, this otic placode testing agency comprises the second bearing and is arranged on the detection axis on this second bearing, the both sides of described detection axis are respectively arranged with test section, two described test sections are symmetrical about longitudinal center's axis of described workbench, and described detection axis can be contained in the space between two right otic placodes of described otic placode.

Preferably, described detection axis rotatably and/or be removably mounted on described second bearing.

Preferably, described otic placode testing agency also comprises auxiliary installation shaft, this auxiliary installation shaft is perpendicular to longitudinal center's axis of described workbench, described detection axis is fixed on the middle part of described auxiliary installation shaft and vertical with described auxiliary installation shaft, and the two ends of described auxiliary installation shaft are arranged on described second bearing.

Preferably, described second bearing is U-shaped bearing, this U-shaped bearing is two, the two ends of described auxiliary installation shaft are rotatably installed on these two U-shaped bearings respectively, the two ends of described auxiliary installation shaft are formed with stopper section respectively, and two described stopper section difference backstops are on the madial wall of two described U-shaped bearings.

Preferably, the both sides of described detection axis are provided with two check-out consoles respectively by screw, and a side of these two check-out consoles and described detection axis cooperatively interact, and another side is formed as described test section.

Preferably, described workpiece is the dipper of excavator, and this dipper has two to described otic placode pair, described Working piece positioning device comprise respectively with two to described otic placode to corresponding two described otic placode testing agencies.

Preferably, described clamp system comprises the first base plate and is mounted opposite two the 4th bearings on described first base plate, grasping part is formed between two described 4th bearings, and two described 4th bearings are threaded the 3rd relative screw rod, the end of the 3rd screw rod is provided with the first briquetting, wherein each described 4th bearing is provided with at least two described 3rd screw rods, these at least two the 3rd screw rods are arranged along the short transverse of described 4th bearing.

Preferably, described Working piece positioning device comprises base, this base comprises spaced apart first base of longitudinal direction along described workbench and the second base, described first base comprises relative to the longitudinal direction moveable slide of described second base along described workbench, and the slide of described first base and the second base are all provided with described clamp system and centering machine.

Preferably, when described slide moves to precalculated position, described slide can be positioned at described precalculated position.

Preferably, described first base also comprises the second guide rail that the longitudinal direction along described workbench extends, and described slide can move along described second guide rail.

Preferably, described first base also comprises the second base plate, and described second guide rails assembling is on described second base plate; Described slide is provided with the first locating hole, described second base plate is provided with positioning seat, this positioning seat is provided with the second locating hole, described slide is positioned on described second base plate by the fastening screw be located in described first locating hole and the second locating hole.

Preferably, described first locating hole is row, and described positioning seat is multiple row, and this multiple row positioning seat is arranged along the longitudinal direction interval of described workbench.

Preferably, described first locating hole is arranged symmetrically with about longitudinal center's axis of described workbench, and described positioning seat is correspondingly arranged symmetrically with about longitudinal center's axis of described workbench.

Preferably, when described slide moves to precalculated position, described slide passes through the first bolted on described second base plate.

Preferably, described second base plate is provided with the first T-shaped groove that the longitudinal direction along described workbench extends, described slide is provided with the first through hole, described first bolt is connected with the nut thread of backstop in described first T-shaped groove through the first through hole on described slide and is fastened on described second base plate by described slide.

Preferably, the two ends of the longitudinal direction along described workbench of described slide are fastened on described second base plate by described first bolt.

The centering machine structure of machining equipment provided by the invention is simple and easy to operate, thus shortens alignment time, improves working (machining) efficiency.In addition, can one, two or more centering machines be set as required on the table, thus realize the effective location to workpiece.

Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.

Accompanying drawing explanation

Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:

Fig. 1 is the structural representation of existing Working piece positioning device;

Fig. 2 is the schematic front view of the machining equipment that the specific embodiment of the invention provides;

Fig. 3 is the schematic top plan view of the machining equipment that the specific embodiment of the invention provides;

Fig. 4 is the schematic front view of the centering machine of the machining equipment that the specific embodiment of the invention provides;

Fig. 5 is the schematic top plan view of the centering machine of the machining equipment that the specific embodiment of the invention provides;

Fig. 6 be the machining equipment that provides of the specific embodiment of the invention with the schematic front view of the otic placode be arranged on the upside of dipper to corresponding otic placode testing agency;

Fig. 7 be the machining equipment that provides of the specific embodiment of the invention with the schematic top plan view of the otic placode be arranged on the upside of dipper to corresponding otic placode testing agency;

Fig. 8 be the machining equipment that provides of the specific embodiment of the invention with the structural representation of the otic placode be arranged on rear side of dipper to corresponding otic placode testing agency;

Fig. 9 is the structural representation of the clamp system of the machining equipment that the specific embodiment of the invention provides;

Figure 10 is the perspective view of the first base of the base of the machining equipment that the specific embodiment of the invention provides;

Figure 11 is the schematic top plan view of the first base of the base of the machining equipment that the specific embodiment of the invention provides;

Figure 12 is the structural representation of the bottom surface detent mechanism of machining equipment provided by the invention;

Figure 13 is the structural representation of the auxiliary support mechanism of machining equipment provided by the invention;

Figure 14 is the structural representation of the vertical location device of the machining equipment that the specific embodiment of the invention provides.

Description of reference numerals

1: base; 2: supporting screw; 3: located lateral block; 4: axle; 5: the first bearing pins; 10: the first bases; 11: the second guide rails; 12: the second base plates; 13: positioning seat; 14: fastening screw; 15: the first bolts; 16: the first T-shaped grooves; 17: slide; 18: rod member; 19: the first stop wall; 20: the second bases; 100: centering machine; 101: the first leading screws; 101a: the first screw rod; 101b: the first nut; 102: the second leading screws; 102a: the second screw rod; 102b: the second nut; 103: keeper; 103a: turnover panel; 103b: locating piece; 104: bearing block; 105: the shaft shoulder; 106: axial location seat; 107: spatial accommodation; 108: confined planes; 109: mount pad; 110: the second bearing pins; 111: guide; 112: the first guide rails; 113: the first bearings; 114: the first support members; 115: handle; 200: workpiece; 201: hole; 202: otic placode pair; 300: workbench; 301: positioning key; 400: clamp system; 401: the first base plates; 402: the four bearings; 403: the three screw rods; 404: the first briquettings; 405: thread bush; 406: grasping part; 407: the first pressing plates; 408: the second support members; 409: the four screw rods; 410: the three nuts; 411: the second briquettings; 412: the five screw rods; 413: spring; 500: otic placode testing agency; 501: the second bearings; 502: detection axis; 503: auxiliary installation shaft; 504: check-out console; 505: stopper section; 506: lightening hole; 600: vertical location device; 601: pedestal; 602: stop block; 603: the second pressing plates; 604: the three support members; 605: the six screw rods; 606: the four nuts; 607: the second elongated holes; 700: bottom surface detent mechanism; 701: the three abutments; 702: the first back-up blocks; 703: the second back-up blocks; 703a: standing part; 703b: moveable part; 704: the second T-shaped grooves; 705: adjustment screw; 706: the second bolts; 707: the second stop wall; 800: auxiliary support mechanism; 801: supporting base; 802: sliding axle; 803: latch assembly; 804: installing hole; 805: elastic component; 806: locking pin; 807: lock-screw; 808: handle; 809: connector; 810: guide pin; 811: guide recess; 812: through hole; Y: longitudinal center's axis; C: locating surface.

Detailed description of the invention

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.

In the present invention, when not doing contrary explanation, the term " longitudinal center's axis " of use refers to the central axis that the length direction along workbench extends; The noun of locality such as " front, rear, left and right " used is undefined in the duty of machining equipment provided by the invention.

As shown in Figures 2 and 3, the invention provides a kind of machining equipment, this machining equipment comprises workbench 300 and is arranged on the Working piece positioning device on this workbench 300, described Working piece positioning device comprise centering machine 100, otic placode testing agency 500, for clamping the clamp system 400 of described workpiece 200, base, bottom surface detent mechanism 700, auxiliary support mechanism 800 and vertical location device 600.

Below each mechanism of Working piece positioning device is described in detail.

One, centering machine

As shown in Figures 2 to 5, the axial location seat 106 that described centering machine 100 comprises the first contrary leading screw 101 of rotation direction and the second leading screw 102 and moves along the axial direction of described first leading screw 101 and the second leading screw 102 for the second screw rod 102a of the first screw rod 101a and the second leading screw 102 that stop described first leading screw 101, described first screw rod 101a axially aligns with described second screw rod 102a and afterbody is connected, first nut 101b of described first leading screw 101 and the second nut 102b of described second leading screw 102 is separately installed with keeper 103, wherein:

Described first screw rod 101a and the second screw rod 102a is perpendicular to the longitudinal center axis y of described workbench 300, and keeper on described first nut 101b 103 lays respectively at the both sides of described workpiece 200 with the keeper 103 on described second nut 102b, keeper 103 on first nut 101b described in when rotating described first screw rod 101a or the second screw rod 102a can move towards one another with the keeper 103 on described second nut 102b and clamp described workpiece 200, make the holding portion of described workpiece 200 symmetrical about the longitudinal center axis y of described workbench 300.

Above-mentioned centering machine 100 operationally, by rotating the first screw rod 101a or the second screw rod 102a, the first nut 101b on the first screw rod 101a and the second nut 102b on the second screw rod 102a is moved towards one another, thus the keeper 103 on the first nut 101b and the keeper 103 on the second nut 102b also move towards one another, final holding workpiece 200 and make the holding portion of described workpiece 200 symmetrical about the longitudinal center axis y of described workbench 300; After workpiece 200 is located, by clamp system 400, workpiece 200 is clamped, then make the first nut 101b and the second nut 102b and the keeper on it 103 turn back to home position by rotation first screw rod 101a or the second screw rod 102a, start to process workpiece 200.

Above-mentioned centering machine 100 structure is simple and easy to operate, thus shortens alignment time, improves working (machining) efficiency.In addition, can one, two or more centering machines 100 be set on workbench 300 as required, thus realize the effective location to workpiece 200.

In order to stable support can be provided to the first screw rod 101a and the second screw rod 102a, preferably, described centering machine 100 also comprises bearing block 104, and described first screw rod 101a and the second screw rod 102a is rotatably installed on described bearing block 104 by bearing (such as ball bearing).The quantity of bearing block 104 and position can suitably be selected, conveniently arrange and provide stable support by bearing block 104 pairs of screw rods, preferably, described bearing block 104 is two, these two bearing blocks 104 are separately positioned on the two ends of described first screw rod 101a and the second screw rod 102a, and described first screw rod 101a and the second screw rod 102a is rotatably installed on described bearing block 104 by bearing.

Distance between the longitudinal center axis y of the diameter of the first screw rod 101a and the second screw rod 102a and the locating surface C of pitch and keeper 103 and described workbench 300 can suitably design, as long as can ensure that the keeper 103 on the first nut 101b and the keeper 103 on the second nut 102b make the holding portion of described workpiece 200 symmetrical about the longitudinal center axis y of described workbench 300 when clamping workpiece 200.Conveniently design, preferably, the diameter of described first screw rod 101a and the second screw rod 102a is all equal with pitch; Described keeper 103 has the locating surface C for clamping described workpiece 200, and the distance between the locating surface C of the keeper 103 on the second nut 102b described in the Distance geometry between the locating surface C of the keeper 103 on described first nut 101b and the longitudinal center axis y of described the workbench 300 and longitudinal center axis y of described workbench 300 is equal.Like this, the locating surface C of the keeper 103 that just can be ensured on the locating surface C of keeper 103 on the first nut 101b and the second nut 102b by simple design synchronously can be arrived the longitudinal midline axis y of workbench 300 and make the holding portion of described workpiece 200 about the longitudinal center axis y symmetry of described workbench 300.

Conveniently process and assemble and optimize the transmission performance of the first screw rod 101a and the second screw rod 102a, preferably, described first screw rod 101a and the second screw rod 102a entirety are formed as a screw rod.In this case, finished product left-right rotary ball-screw commercially can directly be bought.In addition, as selection, the first screw rod 101a also can be fixedly connected with by the mode being fastenedly connected or welding with the second screw rod 102a.

In addition, in the present invention, first leading screw 101 is contrary with the second leading screw 102 rotation direction, that is, a leading screw in first leading screw 101 and the second screw mandrel 102 is left-handed leading screw, and another one leading screw is dextrorotation leading screw, the object of design is like this to ensure that when rotation first screw rod 101a or the second screw rod 102a the first nut 101b and the second nut 102b can simultaneously toward each other or deviate from and move each other, thus to be clamped by workpiece 200 by keeper 103 or discharge.In addition, the first leading screw 101 and the second leading screw 102 can suitably be selected, and such as, the first leading screw 101 and the second leading screw 102 can select ball-screw.

Axial location seat 106 can be taked various suitable structure and suitably arrange, as long as the first screw rod 101a of described first leading screw 101 and the second screw rod 102a of the second leading screw 102 can be stoped to move along the axial direction of described first leading screw 101 and the second leading screw 102.In order to simplify structure and convenient layout, preferably, the middle part of a described screw rod is formed with the shaft shoulder 105, be formed with spatial accommodation 107 in described axial location seat 106 and have two confined planes 108, the described shaft shoulder 105 is contained in described spatial accommodation 107 and two end faces of the described shaft shoulder 105 are fitted with described two confined planes 108 respectively.

Keeper 103 can the suitable position of holding workpiece 200, to make this position symmetrical about the longitudinal center axis y of described workbench 300.Such as, described workpiece (dipper of such as excavator or swing arm) 200 can arrange porose 201, in this case, usually make two end faces of keeper 103 clamping hole 201, therefore two described keepers 103 should be suitable for two end faces clamping described hole 201; And due to hole 201 be workpiece needs process position, so described keeper 103 needs to be pivotably mounted on the first nut 101b of described first leading screw 101 and the second nut 102b of described second leading screw 102, and described keeper 103 can rotate between clip position and home position, with when positioning described workpiece 200, described keeper 103 is rotated to clip position, and described workpiece 200 is being added to man-hour, described keeper 103 is rotated to home position, thus avoids keeper 103 and cutter to interfere.

The conveniently installation of keeper 103, preferably, two described keepers 103 are arranged on described first nut 101b and the second nut 102b respectively by two mount pads 109, two described mount pads 109 are separately fixed on described first nut 101b and the second nut 102b, and described keeper 103 is pivotably mounted on described mount pad 109.Mount pad 109 such as can be fixed on by the mode be fastenedly connected on the first nut 101b and the second nut 102b.

Such as, described keeper 103 can be arranged on described mount pad 109 by the second bearing pin 110, and conveniently keeper 103 rotates between clip position and home position, preferably, described second bearing pin 110 is parallel to described first screw rod 101a and the second screw rod 102a.

Keeper 103 can take various suitable structure, in order to avoid other position except position to be positioned of keeper 103 and workpiece 200 interferes and alleviates the weight of keeper 103, preferably, described keeper 103 comprises turnover panel 103a and locating piece 103b, one end of described turnover panel 103a is pivotably mounted on described mount pad 109, and described locating piece 103b is fixed on the other end of described turnover panel 103a.Locating piece 103b can take various suitable mode to be fixed on the other end of turnover panel 103a.In order to the distance between the locating surface C to locating piece 103b and the longitudinal center axis y of workbench 300 convenient when the distance be arranged on by centering machine 100 between the locating surface C of locating piece 103b afterwards on the workbench 300 and longitudinal center axis y of described workbench 300 and preset distance exist deviation adjusts, preferably, described locating piece 103b is fixed by screws in the other end of described turnover panel 103a.Like this, the distance between the locating surface C of locating piece 103b and the longitudinal center axis y of workbench 300 can be adjusted by the mode increasing and decreasing pad between locating piece 103b and turnover panel 103a, make this distance meet the requirement of preset distance.Wherein, preset distance is the distance of the longitudinal center axis y symmetry that the locating surface C of locating piece 103b can be made to be clamped by workpiece 200 to make the holding portion of described workpiece 200 about described workbench 300 determined in the design process.

In order to guide the motion of keeper 103 easily, keeper 103 is made to move towards workpiece 200 or move away from workpiece 200, preferably, centering machine 100 also comprises guide 111 and the first guide rail 112, described first guide rail 112 extends along the axial direction of described first leading screw 101 and the second leading screw 102, described mount pad 109 is arranged on described guide 111, and described guide 111 can move along described first guide rail 112.

Guide 111 can take various suitable structure, in order to reduce the frictional force between guide 111 and the first guide rail 112, guide 111 is facilitated to move along the first guide rail 112, preferably, described guide 111 comprise slide plate (not shown) and be arranged on bottom this slide plate can along the slide block of described first guide rail 112 movement or roller (not shown).In the embodiment shown in Fig. 5, the first guide rail 112 is arranged in pairs.Mount pad 109 can be arranged on guide 111 by such as securing member.The structure of the first guide rail 112, slide block and roller and slide block and the mounting means of roller bottom slide plate are conventionally known to one of skill in the art, such as, the structure of the first guide rail 112 needs mutually to mate with the structure of slide block or roller, and the first guide rail 112 and slide block (or roller) can matingly be commercially available from the market.

The conveniently installation of centering machine 100 on workbench 300, preferably, centering machine 100 also comprises the first bearing 113, and described bearing block 104, first guide rail 112 and axial location seat 106 are arranged on described first bearing 113.Like this, by the first bearing 113, centering machine 100 can be arranged on workbench 300.Bearing block 104, first guide rail 112 and axial location seat 106 can be arranged on the first bearing 113 by such as securing member.

In order to provide support with the position of fixed positioning piece 103 to keeper 103 easily when keeper 103 rotates to clip position, preferably, described centering machine 100 also comprises the first support member 114, and this first support member 114 is for providing support described keeper 103 when described keeper 103 rotates to described clip position.First support member 114 can take various suitable structure, and such as the first support member 114 can for being arranged on the block on mount pad 109.Block can be arranged on mount pad 109 by the mode such as welded or be fastenedly connected.

In order to the first screw rod 101a and the second screw rod 102a can be rotated easily, preferably, the end of described first screw rod 101a and/or described second screw rod 102a is connected with handle 115.The mode that handle 115 can be threaded connection or be fastenedly connected is connected to the end of the first screw rod 101a and/or the second screw rod 102a.

Two, otic placode testing agency

In addition, as Fig. 2, shown in Fig. 3 and Fig. 6 to Fig. 8, described workpiece (such as excavator boom) 200 can have otic placode to 202, now, described Working piece positioning device can also comprise for detect described otic placode to 202 two otic placodes whether about the otic placode testing agency 500 of the longitudinal center axis y symmetry of described workbench 300, the detection axis 502 that this otic placode testing agency 500 comprises the second bearing 501 and is arranged on this second bearing 501, the both sides of described detection axis 502 are respectively arranged with test section D, two described test section D are symmetrical about the longitudinal center axis y of described workbench 300, and described detection axis 502 can be contained in described otic placode to 202 two otic placodes between space in.

Like this, otic placode can be detected whether symmetrical about the longitudinal center axis y of workbench 300 to two otic placodes of 202 conveniently by the detection axis 502 of otic placode testing agency 500, and do not need with the main shaft of lathe for whether benchmark symmetrical about the longitudinal center axis y of workbench 300 to two otic placodes of 202 to detect otic placode, thus time saving and energy saving, improve working (machining) efficiency.

Detection axis 502 can be fixedly mounted on the second bearing 501, also can be rotatably installed on the second bearing 501, and in order to adjust the position of detection axis 502 easily, preferably, described detection axis 502 is rotatably installed on described second bearing 501.Like this, when detecting 202 otic placode, detection axis 502 can be rotated to and detect position, and after detection, detection axis 502 is returned to home position, to avoid the processing affecting otic placode.

In order to the processing preventing detection axis 502 from affecting workpiece, preferably, described detection axis 502 is removably mounted on described second bearing 501.Like this, when detecting 202 otic placode, detection axis 502 can be arranged on the second bearing 501, and after detection, detection axis 502 be pulled down, to avoid the processing affecting workpiece.

Detection axis 502 can suitably be installed, a preferred embodiment of the invention, described otic placode testing agency 500 also comprises auxiliary installation shaft 503, this auxiliary installation shaft 503 is perpendicular to the longitudinal center axis y of described workbench 300, described detection axis 502 is fixed on the middle part of described auxiliary installation shaft 503 and vertical with described auxiliary installation shaft 503, and the two ends of described auxiliary installation shaft 503 are arranged on described second bearing 501.Like this, by auxiliary installation shaft 503, detection axis 502 can be installed on the second bearing 501 easily.Particularly, detection axis 502 can be fixed on the middle part of auxiliary installation shaft 503 by the mode welded or be fastenedly connected.In order to simplify structure, preferably, as shown in Figure 6 to 8, described second bearing 501 is U-shaped bearing, this U-shaped bearing is two, and the two ends of described auxiliary installation shaft 503 are rotatably installed on these two U-shaped bearings respectively, and the two ends of described auxiliary installation shaft 503 are formed with stopper section 505 respectively, two described stopper section 505 difference backstops on the madial wall of two described U-shaped bearings, thus stop auxiliary installation shaft 503 to move along the axial direction of auxiliary installation shaft 503.By this kind of structure, in use, directly auxiliary installation shaft 503 can be placed on two U-shaped bearings and the position of passing through to rotate auxiliary installation shaft 503 and adjusting detection axis 502, and after finishing using, directly auxiliary installation shaft 503 can be taken off, thus rotation and the dismounting of auxiliary installation shaft 503 can be realized easily.Stopper section 505 can be various suitable form, the form of such as flange.In addition, detection axis 502 is fixed on the position, middle of auxiliary installation shaft 503 usually, and two U-shaped bearings are installed symmetrically about the longitudinal center axis y of workbench 300 usually.

In order to convenient when by otic placode testing agency 500 provided by the invention, latter two test section D be arranged on workbench 300 is not in relation to the longitudinal center axis y symmetry of workbench 300 (distance between the longitudinal center axis y of that is test section D and described workbench 300 and preset distance exist deviation), the distance between test section D and the longitudinal center axis y of workbench 300 is adjusted, preferably, the both sides of described detection axis 502 are provided with two check-out consoles 504 respectively by screw, a side of these two check-out consoles 504 and described detection axis 502 cooperatively interact, another side is formed as described test section D.Like this, the distance between the test section D of the check-out console 504 and longitudinal center axis y of workbench 300 can be adjusted by the mode increasing and decreasing pad between check-out console 504 and detection axis 502, this distance is met the requirements.In addition, conveniently judge, preferably, another side described is plane.

In addition, as shown in Figure 8, detection axis 502 can also be provided with lightening hole 506, to alleviate the weight of detection axis 502.

Described workpiece 200 can have the right workpiece of otic placode for various, such as workpiece 200 can be the dipper of excavator, this dipper has two to described otic placode to 202, wherein otic placode described in a pair is arranged on the upside of described dipper to 202, otic placode described in other a pair is arranged on the rear side of described dipper to 202, described Working piece positioning device comprise respectively with two to described otic placode to 202 two corresponding described otic placode testing agencies 500.

In addition, otic placode testing agency 500 suitably can install on workbench 300, as shown in Figures 2 and 3, conveniently install, preferably, with the described otic placode be arranged on the upside of dipper, such as securing member is passed through to 202 corresponding otic placode testing agency 500() be arranged on described clamp system 400, with the described otic placode be arranged on rear side of dipper, such as securing member is passed through to 202 corresponding otic placode testing agency 500() be arranged on base (being the second base 20 in the embodiment shown in Fig. 2 and Fig. 3) that workbench 300 is arranged.

When utilizing above-mentioned otic placode testing agency 500 pairs of otic placodes to detect 202, detection axis 502 can be rotated, make this detection axis 502 be contained in otic placode to 202 two otic placodes between space in, by judge otic placode to the distance between two otic placodes of 202 test section D corresponding to two of detection axis 502 whether equal (can by mode estimate, also can by dip stick) judge otic placode to 202 two otic placodes whether about the longitudinal center axis y symmetry of described workbench 300.That is, when the distance between the test section D that otic placode is corresponding to two of detection axis 502 to two otic placodes of 202 is equal, then illustrate that otic placode is symmetrical about the longitudinal center axis y of workbench 300 to two otic placodes of 202; When distance between the test section D that otic placode is corresponding to two of detection axis 502 to two otic placodes of 202 is unequal, then illustrate otic placode to 202 two otic placodes to be not in relation to the longitudinal center axis y of workbench 300 symmetrical.When otic placode to 202 two otic placodes be not in relation to the longitudinal center axis y of workbench 300 symmetrical time, otic placode can be made symmetrical about the longitudinal center axis y of workbench 300 to two otic placodes of 202 by the orientation angle of adjustment workpiece 200, so by the end face in the hole 201 on processing work in process 200 ensure hole 201 on workpiece 200 and otic placode symmetrical to the longitudinal center axis y of two otic placodes all about workbench 300 of 202.

Three, clamp system:

Clamp system 400 can take various suitable structure.As shown in Figure 9, a preferred embodiment of the invention, described clamp system 400 comprises the first base plate 401 and is mounted opposite two the 4th bearings 402 on described first base plate 401, grasping part 406 is formed between two described 4th bearings 402, and the end of the 3rd relative screw rod the 403, three screw rod 403 that two described 4th bearings 402 are threaded is provided with the first briquetting 404.Now, the end face of two the 4th bearings 402 can be installed on respectively with two U-shaped bearings of the described otic placode be arranged on the upside of dipper to 202 corresponding otic placode testing agencies 500.

Conveniently adjust the clamping angle of workpiece 200, thus facilitate the processing of workpiece 200, preferably, each described 4th bearing 402 is provided with at least two described 3rd screw rods 403, these at least two the 3rd screw rods 403 are arranged along the short transverse of described 4th bearing 402.In the embodiment shown in Fig. 9, each 4th bearing 402 is provided with two the 3rd screw rods 403, these two the 3rd screw rods 403 lay respectively at the upper and lower of the 4th bearing 402.Like this, such as when being detected that by otic placode testing agency 500 two otic placodes of otic placode to 202 are not in relation to the longitudinal center axis y symmetry of described workbench 300, the orientation angle of workpiece 200 can be changed by adjusting the 3rd screw rod 403 being positioned at the 4th bearing 402 top, thus make otic placode symmetrical about the longitudinal center axis y of workbench 300 to two otic placodes of 202, and then by the end face in the hole 201 on processing work in process 200 ensure hole 201 on workpiece 200 and otic placode symmetrical to the longitudinal center axis y of two otic placodes all about workbench 300 of 202.

Conveniently process, preferably, described 4th bearing 402 is installed with thread bush 405, described 3rd screw rod 403 is threaded with described thread bush 405 through described 4th bearing 402.Thread bush 405 can be fixed on the 4th bearing 402 by the mode such as welded or be fastenedly connected.In the embodiment shown in Fig. 9, thread bush 405 is arranged on the inner side of the 4th bearing 402.

In order to workpiece 200 be compressed above workpiece 200, preferably, described clamp system 400 also comprises the first pressing plate 407, the 4th screw rod 409 end face of described 4th bearing 402 being provided with the second support member 408 and vertically arranging, described first pressing plate 407 is enclosed within described 4th screw rod 409, the 3rd nut 410 4th screw rod 409 is threaded for compressing described first pressing plate 407, one end of described first pressing plate 407 is supported on described second support member 408, and the other end of described first pressing plate 407 is for compressing described workpiece 200.Second support member 408 can be various suitable structure, and such as, the second support member 408 can for being threaded in the screw on the 4th bearing 402.4th screw rod 409 can be fixed on the 4th bearing 402 by the mode of welding.In addition, preferably, the part be positioned at below described first pressing plate 407 of described 4th screw rod 409 is arranged with spring 413.Like this, after the 3rd nut 410 unscrews, the first pressing plate 407 can automatically reset, thus saves manpower.

A preferred embodiment of the invention, the described other end of described first pressing plate 407 is threaded the 5th screw rod 412 of band second briquetting 411.Like this, by the 5th screw rod 412 being screwed in or screwed out the crush pad adjusting the first pressing plate 407, thus the workpiece of differing heights can be adapted to.Second briquetting 411 can be fixed on the end of the 5th screw rod 412 by the mode be such as threaded.

A preferred embodiment of the invention, described first pressing plate 407 is provided with the first elongated hole that the length direction along described first pressing plate 407 extends, described 4th screw rod 409 is arranged in described first elongated hole, and described first pressing plate 407 can be moved along the length direction of described first pressing plate 407.Like this, after work pieces process, the first pressing plate 407 can be made to move along its length direction and retract, to avoid the placement affecting next workpiece.

4th bearing 402 can be arranged on the first base plate 401 by the mode of such as welding.First briquetting 404 can be fixed on the end of the 3rd screw rod 403 by the mode be such as threaded.

The left and right sides of workpiece 200 in use, is clamped by the 3rd relative screw rod 403 by above-mentioned clamp system 400, and by the first pressing plate 407 by the upper side compression of workpiece 200, thus play the effect of good clamping work pieces.

Four, base

Described Working piece positioning device generally includes base.As shown in Fig. 2, Fig. 3, Figure 10 and Figure 11, a preferred embodiment of the invention, described base comprises spaced apart first base 10 and the second base 20 of longitudinal direction along described workbench 300, described first base 10 comprises relative to the longitudinal direction moveable slide 17 of described second base 20 along described workbench 300, and the slide 17 of described first base 10 and the second base 20 are all provided with described clamp system 400 and centering machine 100.

In order to avoid slide 17 moves in the location and process of workpiece 200, preferably, when described slide 17 moves to precalculated position, described slide 17 can be positioned at described precalculated position.The motion of slide 17 can be realized by the promotion of staff.Wherein, precalculated position refers to the position in order to the workpiece and predetermined slide 17 adapting to different model.

In order to guide the movement of slide 17, preferably, described first base 10 also comprises the second guide rail 11 that the longitudinal direction along described workbench 300 extends, and described slide 17 can move along described second guide rail 11.As shown in Figure 10 and Figure 11, the second guide rail 11 is installed in couples.

Conveniently slide 17 moves along the second guide rail 11, reducing friction resistance, and preferably, the bottom of described slide 17 is provided with can along the slide block of described second guide rail 11 movement or roller.The structure of the second guide rail 11, slide block and roller and slide block and the mounting means of roller bottom slide 17 are conventionally known to one of skill in the art, such as, the structure of the second guide rail 11 needs mutually to mate with the structure of slide block or roller, and the second guide rail 11 and slide block (or roller) can matingly be commercially available from the market.

The conveniently installation of the first base 10, preferably, described first base 10 also comprises the second base plate 12, and described second guide rail 11 is arranged on described second base plate 12.Like this, can by the second base plate 12 by the first base 10 integral installation on workbench 300.Second guide rail 11 such as can be arranged on the second base plate 12 by securing member.

Slide 17 can be positioned at precalculated position by various suitable mode, the conveniently location of slide 17, preferably, described slide 17 is provided with the first locating hole (not shown), described second base plate 12 is provided with positioning seat 13, this positioning seat 13 is provided with the second locating hole (not shown), described slide 17 is positioned on described second base plate 12 by the fastening screw 14 be located in described first locating hole and the second locating hole.Positioning seat 13 can be arranged on the second base plate 12 by such as securing member.

Conveniently arrange, preferably, described first locating hole is row, and described positioning seat 13 is multiple row, and this multiple row positioning seat 13 is arranged along the longitudinal direction interval of described workbench 300.Like this, when positioning the workpiece of different model (length), can moving sliding base 17, make the first locating hole move to the position at positioning seat 13 place corresponding to selected model workpiece, thus by the fastening screw 14 be located in described first locating hole and the second locating hole, slide 17 is positioned on described second base plate 12.It should be noted that at this, the spacing between adjacent two positioning seats 13 is workpiece according to different model and predetermined.In addition, the columns of positioning seat 13 type kind of workpiece of locating as required and determining, as long as can satisfy the demand.As selection, also the first locating hole can be set to multiple row along the longitudinal direction of workbench 300, and positioning seat 13 is set to row.Like this, different first locating hole corresponding from different model workpiece can be made by moving sliding base 17 to align with the second locating hole on positioning seat 3 and position, thus adapt to the location of different model workpiece.

Often the quantity of row first locating hole can suitably be selected, such as one or two, and often the quantity of row positioning seat 13 and position are corresponding with position to the quantity of every row first locating hole.In order to be stably positioned at by slide 17 on second base plate 12, preferably, described first locating hole is arranged symmetrically with about the longitudinal center axis y of described workbench 300, and described positioning seat 13 is correspondingly arranged symmetrically with about the longitudinal center axis y of described workbench 300.

In order to the position of fixing slide carriage 17, preferably, when described slide 17 moves to precalculated position, described slide 17 is fastened on described second base plate 12 by the first bolt 15.

Conveniently slide 17 is fastened on the second base plate 12 by the first bolt 15, preferably, described second base plate 12 is provided with the first T-shaped groove 16 that the longitudinal direction along described workbench 300 extends, described slide 17 is provided with the first through hole, and described first bolt 15 is connected with the nut thread of backstop in described first T-shaped groove 16 through the first through hole on described slide 17 and is fastened on described second base plate 12 by described slide 17.First T-shaped groove 16 can take various suitable mode to be formed, and such as, the rod member 18 that the first T-shaped groove 16 can be relative by two of being arranged on the second base plate 12 is formed, and rod member 18 such as can be fixed on the second base plate 12 by securing member.As shown in Figure 10, nut is by the first stop wall 19 backstop of the first T-shaped groove 16.

In order to can the position of more stably fixing slide carriage 17, preferably, the two ends of the longitudinal direction along described workbench 300 of described slide 17 be fastened on described second base plate 12 by described first bolt 15.

In addition, described first base 10 can be front base, also can be rear base, and described second base 20 can be front base, also can be rear base.According to one embodiment of the present invention, described first base 10 is front base, and described second base 20 is rear base.

Second base 20 can take various suitable structure, and its structure is conventionally known to one of skill in the art, does not repeat them here.In addition, the first base 10 and the mounting means of the second base 20 on workbench 300 are conventionally known to one of skill in the art, and such as, the first base 10 and the second base 20 can be located by positioning key 301, are then bolted.In addition, on clamp system 400 and centering machine 100 slide 17 that such as can be arranged on the first base 10 by securing member and the second base 20.

When needing the workpiece by Working piece positioning device location different model (length) provided by the invention, first the position of the required movement of slide 17 is determined, then slide 17 is moved to this position, and then by fastening screw 14, slide 17 is positioned at this position, by the first bolt 15, slide 17 is fastened on the second base plate 12, completes the operation of remodeling of Working piece positioning device.Visible, by above-mentioned base, only need the longitudinal direction moving sliding base 17 along workbench 300 just can change clamp system 400 on the slide 17 of the first base 10 and centering machine 100 position relative to the clamp system 400 on the second base 20 and centering machine 100, thus can by the Workpiece fixing of different model on workbench 300, and do not need to sling clamp system as prior art, thus simplify the adjustment of the position of clamping mechanism, save labour, improve production efficiency.

Five, bottom surface detent mechanism:

Under normal circumstances, described first base 10 and/or the second base 20 are also provided with the bottom surface detent mechanism 700 for supporting described workpiece 200.

As shown in figure 12, described bottom surface detent mechanism 700 comprises three abutments 701, first back-up block 702 and the second back-up block 703, described first back-up block 702 and the second back-up block 703 are arranged on described three abutments 701 along the horizontal direction compartment of terrain of described workbench 300, and the bearing height of wherein said second back-up block 703 is adjustable.Wherein, the first back-up block 702 and the second back-up block 703 can suitably set along the spacing distance of the horizontal direction of workbench 300.

The bearing height of the second back-up block 703 can be adjusted by various suitable mode, in order to the bearing height of the second back-up block 703 can be adjusted easily, preferably, described second back-up block 703 comprises standing part 703a and moveable part 703b, described standing part 703a is fixed on described three abutments 701, and described moveable part 703b is liftably arranged on described standing part 703a.

Moveable part 703b can take various suitable mode to be liftably arranged on standing part 703a, in order to simplify the structure of moveable part 703b and facilitate the setting of moveable part 703b, preferably, the bottom surface of described moveable part 703b tilts from inside to outside from the top down, the end face of described standing part 703a and the bottom surface of described moveable part 703b match and bonded to each other, the arranged outside of described standing part 703a has connecting portion, this connecting portion is connected with adjustment screw 705, the end of this adjustment screw 705 is resisted against on the lateral wall of described moveable part 703b.Wherein, the angle of inclination of the bottom surface of moveable part 703b can suitably set.Like this, when needing the bearing height making the second back-up block 703 to rise, then screw in adjustment screw 705 inwards, moveable part 703b is moved up along the end face of standing part 703a; And when needing the bearing height making the second back-up block 703 to decline, then outwards screwing out adjustment screw 705, moveable part 703b moves down along the end face of standing part 703a under gravity.Visible, the adjustment of the bearing height of the second back-up block 703 can be realized easily by the screw-in of adjustment screw 705 or back-out.

The standing part 703a of the first back-up block 702 and the second back-up block 703 can take various suitable mode to be fixed on three abutments 701, conveniently the first back-up block 702 and the second back-up block 703 standing part 703a fixing and facilitate the first back-up block 702 and the second back-up block 703 to move to adjust the Support Position of the first back-up block 702 and the second back-up block 703 along the longitudinal direction of workbench 300, preferably, described three abutments 701 is provided with two the second T-shaped grooves 704 that the longitudinal direction along described workbench 300 extends, the standing part 703a of described first back-up block 702 and the second back-up block 703 installs respectively by the second bolt 706, described second bolt 706 is each passed through described first back-up block 702 and is connected with the nut thread of backstop in described second T-shaped groove 704 with the standing part 703a of the second back-up block 703 and is fastened on described three abutments 701 by the standing part 703a of described first back-up block 702 and the second back-up block 703 respectively.As shown in figure 12, nut is by the second stop wall 707 backstop of the second T-shaped groove 704.

In addition, the end face of described first back-up block 702 and the second back-up block 703 should be suitable for supporting described workpiece 200, and this end face is formed as the form of plane usually.

Bottom surface detent mechanism 700 in use, by the end face of the first back-up block 702 and the second back-up block 703, workpiece 200 is provided support, when workpiece bottom is uneven or need the orientation angle adjusting workpiece, can workpiece 200 maintenance level be made by the bearing height of adjustment second back-up block 703 or tilt a little, thus adapt to the demand of different operating mode.In addition, compared with the structure provided support workpiece by screw, above-mentioned bottom surface detent mechanism 700 can provide stable support to workpiece 200.

Six, auxiliary support mechanism:

Auxiliary support mechanism 800 is for providing supplemental support to workpiece 200.As shown in figure 13, described auxiliary support mechanism 800 comprises supporting base 801, sliding axle 802 and latch assembly 803, vertical installing hole 804 is provided with in described supporting base 801, the bottom of this installing hole 804 is provided with elastic component 805, described sliding axle 802 to insert movably in described installing hole 804 and is supported on described elastic component 805, and described latch assembly 803 is for locking described sliding axle 802.

Latch assembly 803 is for locking sliding axle 802, and it can adopt various suitable structure.In order to can easily sliding axle 802 be locked, preferably, described latch assembly 803 comprises locking pin 806 and lock-screw 807, the side of described supporting base 801 is provided with the side opening communicated with described installing hole 804, described locking pin 806 and lock-screw 807 are all arranged in described side opening, described locking pin 806 is positioned at the inner side of described lock-screw 807, described lock-screw 807 is threaded with described side opening and for being locked by described locking pin 806, make the end surface of described locking pin 806 prop up described sliding axle 802, thus sliding axle 802 is locked.Particularly, promote locking pin 806 by rotational lock screw 807 and do rectilinear motion, thus make the end surface of locking pin 806 prop up sliding axle 802.

In order to certain support force can be provided to sliding axle 802 while utilizing the axial thrust of lock-screw 807 to be locked by sliding axle 802, make the position of sliding axle 802 more firm, preferably, the end surface of described locking pin 806 from inside to outside tilts from bottom to top, and described sliding axle 802 is formed with the surface cooperatively interacted with this end surface.

In order to can easily lock-screw 807 be screwed in or be screwed out, preferably, described lock-screw 807 be connected with handle 808.Handle 808 can be connected with lock-screw 807 by the mode such as welded or be fastenedly connected.

Conveniently lock-screw 807 is connected with supporting base 801, preferably, the side of described supporting base 801 is provided with connector 809, this connector 809 inserts in described side opening, and this connector 809 is provided with the second through hole, described locking pin 806 and lock-screw 807 are all arranged in described second through hole, and described lock-screw 807 is connected with described second through hole whorl.Connector 809 such as can be formed as the form of flange, is arranged on the side of supporting base 801 by such as securing member.

In addition, conveniently arrange, preferably, the central axis of described side opening and the central axis upright of described installing hole 804.

In order to can move up and down along vertical direction and avoid sliding axle 802 to rotate by guided slidable axle 802, preferably, the side of described sliding axle 802 is provided with the guide recess 811 that the axial direction along described sliding axle 802 extends, the side of described supporting base 801 is provided with the guide pin 810 corresponding to described guide recess 811 position, and described guide pin 810 is inserted in described guide recess 811 and the end surface of described guide pin 810 contacts with the basal surface of described guide recess 811.Guide pin 810 can be arranged on the side of supporting base 801 by various suitable mode, such as, the side of supporting base 801 can be provided with the through hole 812 communicated with guide recess 811, and guide pin 810 is inserted in guide recess 811 through this through hole 812.

Elastic component 805 can be various suitable form, such as helical spring form.In addition, in the embodiment shown in Figure 13, installing hole 804 is through hole, like this, directly supporting base 801 and elastic component 805 can be placed on workbench 300, facilitate putting into and taking-up of elastic component 805.

Auxiliary support mechanism 800 in use, first makes sliding axle 802 be in free state, and free state aspect ratio first back-up block 702 of sliding axle 802 and the second back-up block 703 exceed 5 to 10mm.Therefore, when place work piece, workpiece can by sliding axle 802 to pressing down, until workpiece is positioned on the first back-up block 702 and the second back-up block 703, at this moment the top surface of sliding axle 802 can be close to workpiece, locked by sliding axle 802 by latch assembly 803, then sliding axle can not move up and down in the locked condition, plays the effect of support.Work pieces process complete and from workbench remove after, sliding axle 802 is returned to home position under the elastic force effect of elastic component 805.According to auxiliary support mechanism 800 of the present invention, can support workpiece easily, and more easily support the privileged sites of workpiece.

Seven, vertical location device:

In order to prevent workpiece 200 from moving along the longitudinal direction of workbench 300, preferably, described first base 10 is provided with for stoping described workpiece 200 along the vertical location device 600 of the longitudinal direction movement of described workbench 300.

Vertical location device 600 can take various suitable structure.As shown in figure 14, such as, vertical location device 600 second pressing plate 603 that can comprise pedestal 601, be arranged on the stop block 602 of described pedestal 601 side and be arranged on described pedestal 601.Vertical location device 600 is arranged on the front of workpiece 200, and described stop block 602 is for the front surface of backstop workpiece 200, and the second pressing plate 603 is for pushing down workpiece 200 from top.

Second pressing plate 603 can take various suitable mode to be arranged on pedestal 601.Easily workpiece 200 is compressed in order to the second pressing plate 603 can be made, preferably, the 6th screw rod 605 end face of described pedestal 601 being provided with the 3rd support member 604 and vertically arranging, described second pressing plate 603 is enclosed within described 6th screw rod 605, the 4th nut 606 6th screw rod 605 is threaded for compressing described second pressing plate 603, one end of described second pressing plate 603 is supported on described 3rd support member 604, and the other end of described second pressing plate 603 is for compressing described workpiece 200.3rd support member 604 can be various suitable structure, and such as, the 3rd support member 604 can for being threaded in the screw on pedestal 601.6th screw rod 605 can be fixed on pedestal 601 by the mode of welding.Like this, by screwing the 4th nut 606, the other end of the second pressing plate 603 can be pressed on workpiece 200.In addition, stop part 602 can be arranged on pedestal 601 side by securing member.

In addition, preferably, described second pressing plate 603 is provided with the second elongated hole 607 that the length direction along described second pressing plate 603 extends, described 6th screw rod 605 is arranged in described second elongated hole 607, and described second pressing plate 603 can be moved along the length direction of described second pressing plate 603.Like this, after work pieces process, the second pressing plate 603 can be made to move along its length direction and retract, to avoid the placement affecting next workpiece.

Above-mentioned vertical location device 600 in use, by the front surface of stop block 602 backstop workpiece 200, is pushed down workpiece 200 by the second pressing plate 603 from top, thus is effectively prevented workpiece 200 from moving along the longitudinal direction of workbench 300.

As shown in Figures 2 and 3, in the specific embodiment of the present invention, centering machine 100 is two, and these two centering machines 100 are arranged on the first base 10 and the second base 20 respectively by securing member; Clamp system 400 is three, and one of them clamp system 400 is arranged on the first base 10 by securing member, and two other clamp system 400 is arranged on the second base 20 by securing member; Otic placode testing agency 500 is two, be arranged on clamp system 400 on to 202 corresponding otic placode testing agencies 500 by securing member with the described otic placode be arranged on the upside of dipper, be arranged on second base 20 on to 202 corresponding otic placode testing agencies 500 by securing member with the otic placode be arranged on rear side of dipper; Bottom surface detent mechanism 700 is two, and these two bottom surface detent mechanisms 700 are arranged on the first base 10 and the second base 20 respectively by securing member; Auxiliary support mechanism 800 is one, and this auxiliary support mechanism 800 is arranged on the first base 10; Vertical location device 600 is one, and this vertical location device 600 is arranged on the first base 10 by securing member.In addition, the second base 20 is also provided with supporting screw 2, to provide support workpiece 200.In addition, the position of each mechanism above-mentioned and quantity also can change according to actual needs.

The mounting means of Working piece positioning device on workbench 300 is conventionally known to one of skill in the art, does not repeat them here.In addition, structure and the set-up mode of the other parts (such as cutter) of machining equipment are conventionally known to one of skill in the art, do not repeat them here.

By reference to the accompanying drawings the position fixing process of the machining equipment that the specific embodiment of the invention provides is described to process excavator boom below.

As shown in Fig. 2 to Figure 14, position fixing process comprises following step: 1) to be sling by workpiece 200 by suspender and be placed on bottom surface detent mechanism 700 by workpiece 200, simultaneously by vertical location device 600 positioning workpieces 200, move along the longitudinal direction of described workbench 300 to prevent workpiece 200; 2) keeper 103 is rotated to clip position, rotate the first screw rod 101a or the second screw rod 102a and the first nut 101b on the first screw rod 101a and the second nut 102b on the second screw rod 102a is moved towards one another, thus the keeper 103 on the first nut 101b and the keeper 103 on the second nut 102b also move towards one another, final holding workpiece 200 and make the holding portion of described workpiece 200 symmetrical about the longitudinal center axis y of described workbench 300; 3) otic placode is detected by the detection axis 502 of otic placode testing agency 500 whether symmetrical about the longitudinal center axis y of workbench 300 to two otic placodes of 202, when otic placode to 202 two otic placodes be not in relation to the longitudinal center axis y of described workbench 300 symmetrical time, the 3rd screw rod 403 being positioned at the 4th bearing 402 top by adjustment makes workpiece 200 slight inclination, thus makes otic placode symmetrical about the longitudinal center axis y of workbench 300 to two otic placodes of 202; 4) adjust the bearing height of the second back-up block 703 of bottom surface detent mechanism 700, the second back-up block 703 is close to workpiece 200, and then auxiliary support mechanism 800 and supporting screw 2 are held out against; 5) by clamp system 400, workpiece 200 is clamped; 6) rotate the first screw rod 101a or the second screw rod 102a and make the first nut 101b and the second nut 102b and the keeper on it 103 turn back to home position, then rotatable positioning member 103, make keeper 103 turn back to home position, start afterwards to process workpiece 200.

It should be noted that at this, the Working piece positioning device provided due to the specific embodiment of the invention comprises Liang Ge otic placode testing agency 500, so can only ensure in practice process the otic placode corresponding with otic placode testing agency 500 to 202 two otic placodes about the longitudinal center axis y symmetry of workbench 300, and the symmetry of another one otic placode to two otic placodes of 202 is realized by extra processing; In addition, when two otic placodes to 202 error little time, can be ensured by the orientation angle suitably adjusting workpiece 200 that (that is two otic placodes meet processing request all substantially to 202, otic placode is not completely about the longitudinal center axis y symmetry of workbench 300 to two otic placodes of 202, but there is a little error, but meet processing request).

In addition, when a kind of work pieces process of model is complete, and need to add man-hour to the workpiece of another model, first the position of the required movement of slide 17 is determined, then slide 17 is moved to this position, and then by fastening screw 14, slide 17 is positioned at this position, by the first bolt 15, slide 17 is fastened on the second base plate 12, completes the operation of remodeling of Working piece positioning device.

The machining equipment that the specific embodiment of the invention provides has following advantage:

1) centering machine 100 structure for machining equipment provided by the invention is simple and easy to operate, can arrange on workbench 300 as required one, two or more, thus realize effective location to workpiece 200;

2) otic placode can be detected conveniently by the detection axis 502 of otic placode testing agency 500 whether symmetrical about the longitudinal center axis y of workbench 300 to two otic placodes of 202, and do not need with the main shaft of lathe for whether benchmark symmetrical about the longitudinal center axis y of workbench 300 to two otic placodes of 202 to detect otic placode, thus time saving and energy saving, improve working (machining) efficiency;

3) the longitudinal direction moving sliding base 17 along workbench 300 is only needed just can to change clamp system 400 on the slide 17 of the first base 10 and centering machine 100 position relative to the clamp system 400 on the second base 20 and centering machine 100, thus can by the Workpiece fixing of different model on workbench 300, and do not need to sling clamp system as prior art, thus simplify the adjustment of the position of clamping mechanism, save labour, improve production efficiency;

4) bottom surface detent mechanism 700 in use, by the end face of the first back-up block 702 and the second back-up block 703, workpiece 200 is provided support, when workpiece bottom is uneven or need the orientation angle adjusting workpiece, can workpiece 200 maintenance level be made by the bearing height of adjustment second back-up block 703 or tilt a little, thus adapt to the demand of different operating mode, in addition, compared with the structure provided support workpiece by screw, above-mentioned bottom surface detent mechanism 700 can provide stable support to workpiece 200;

5) according to auxiliary support mechanism 800 of the present invention, can regulate the bearing height of workpiece easily, thus adapt to the processing of the workpiece of different model, and more easily support the privileged sites of workpiece.

In addition, Working piece positioning device provided by the invention goes for the location of various workpiece, especially excavator swing arm and dipper.

Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.

It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.

In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims

1. a machining equipment, the Working piece positioning device that this machining equipment comprises workbench (300) and is arranged on this workbench (300), described Working piece positioning device comprises centering machine (100) and the clamp system (400) for clamping work pieces (200), it is characterized in that, described centering machine (100) comprise contrary the first leading screw (101) of rotation direction and the second leading screw (102) and for second screw rod (102a) of the first screw rod (101a) and the second leading screw (102) that stop described first leading screw (101) along the axial location seat (106) of the axial direction motion of described first leading screw (101) and the second leading screw (102), described first screw rod (101a) is axially aligned with described second screw rod (102a) and afterbody is connected, first nut (101b) of described first leading screw (101) and second nut (102b) of described second leading screw (102) are separately installed with keeper (103), wherein:

Described first screw rod (101a) and the second screw rod (102a) are perpendicular to longitudinal center's axis (y) of described workbench (300), and keeper (103) on described first nut (101b) lays respectively at the both sides of described workpiece (200) with the keeper (103) on described second nut (102b), keeper (103) on first nut (101b) described in when rotating described first screw rod (101a) or the second screw rod (102a) can move towards one another with the keeper (103) on described second nut (102b) and clamp described workpiece (200), make the holding portion of described workpiece (200) symmetrical about longitudinal center's axis (y) of described workbench (300),

Described workpiece (200) has otic placode to (202), described Working piece positioning device also comprises for detecting described otic placode to two of (202) otic placodes whether about the otic placode testing agency (500) that longitudinal center's axis (y) of described workbench (300) is symmetrical, this otic placode testing agency (500) comprises the second bearing (501) and is arranged on the detection axis (502) on this second bearing (501), the both sides of described detection axis (502) are respectively arranged with test section (D), two described test sections (D) are symmetrical about longitudinal center's axis (y) of described workbench (300), and described detection axis (502) can be contained in described otic placode in the space between two of (202) otic placodes.

2. machining equipment according to claim 1, it is characterized in that, described centering machine (100) also comprises bearing block (104), and described first screw rod (101a) and the second screw rod (102a) are rotatably installed on described bearing block (104) by bearing.

3. machining equipment according to claim 2, is characterized in that, the diameter of described first screw rod (101a) and the second screw rod (102a) is all equal with pitch; Described keeper (103) has the locating surface (C) for clamping described workpiece (200), and the distance between the locating surface (C) of the keeper (103) on the second nut (102b) described in the Distance geometry between the locating surface (C) of the keeper (103) on described first nut (101b) and longitudinal center's axis (y) of described workbench (300) and longitudinal center's axis (y) of described workbench (300) is equal.

4. machining equipment according to claim 3, is characterized in that, described first screw rod (101a) and the second screw rod (102a) entirety are formed as a screw rod.

5. machining equipment according to claim 4, it is characterized in that, the middle part of a described screw rod is formed with the shaft shoulder (105), be formed with spatial accommodation (107) in described axial location seat (106) and have two confined planes (108), the described shaft shoulder (105) is contained in described spatial accommodation (107) and two end faces of the described shaft shoulder (105) are fitted with described two confined planes (108) respectively.

6. machining equipment as claimed in any of claims 2 to 5, it is characterized in that, described workpiece (200) is arranged porose (201), and two described keepers (103) are suitable for two end faces clamping described hole (201); Described keeper (103) is pivotably mounted on first nut (101b) of described first leading screw (101) and second nut (102b) of described second leading screw (102), and described keeper (103) can rotate between clip position and home position.

7. machining equipment according to claim 6, it is characterized in that, two described keepers (103) are arranged on described first nut (101b) and the second nut (102b) respectively by two mount pads (109), two described mount pads (109) are separately fixed on described first nut (101b) and the second nut (102b), and described keeper (103) is pivotably mounted on described mount pad (109).

8. machining equipment according to claim 7, it is characterized in that, described keeper (103) is arranged on described mount pad (109) by the second bearing pin (110), and described second bearing pin (110) is parallel to described first screw rod (101a) and the second screw rod (102a).

9. machining equipment according to claim 7, it is characterized in that, described keeper (103) comprises turnover panel (103a) and locating piece (103b), one end of described turnover panel (103a) is pivotably mounted on described mount pad (109), and described locating piece (103b) is fixed by screws in the other end of described turnover panel (103a).

10. machining equipment according to claim 7, it is characterized in that, described centering machine (100) also comprises guide (111) and the first guide rail (112), described first guide rail (112) extends along the axial direction of described first leading screw (101) and the second leading screw (102), described mount pad (109) is arranged on described guide (111), and described guide (111) can be mobile along described first guide rail (112).

11. machining equipments according to claim 10, it is characterized in that, described centering machine (100) also comprises the first bearing (113), and described bearing block (104), the first guide rail (112) and axial location seat (106) are arranged on described first bearing (113).

12. machining equipments according to claim 6, it is characterized in that, described centering machine (100) also comprises the first support member (114), and this first support member (114) is for providing support described keeper (103) when described keeper (103) rotates to described clip position.

13. machining equipments according to claim 6, is characterized in that, the end of described first screw rod (101a) and/or described second screw rod (102a) is connected with handle (115).

14. machining equipments according to claim 1, is characterized in that, described detection axis (502) rotatably and/or be removably mounted on described second bearing (501).

15. machining equipments according to claim 1, it is characterized in that, described otic placode testing agency (500) also comprises auxiliary installation shaft (503), this auxiliary installation shaft (503) is perpendicular to longitudinal center's axis (y) of described workbench (300), described detection axis (502) is fixed on the middle part of described auxiliary installation shaft (503) and vertical with described auxiliary installation shaft (503), and the two ends of described auxiliary installation shaft (503) are arranged on described second bearing (501).

16. machining equipments according to claim 15, it is characterized in that, described second bearing (501) is U-shaped bearing, this U-shaped bearing is two, the two ends of described auxiliary installation shaft (503) are rotatably installed on these two U-shaped bearings respectively, the two ends of described auxiliary installation shaft (503) are formed with stopper section (505) respectively, and two described stopper section (505) difference backstops are on the madial wall of two described U-shaped bearings.

17. machining equipments according to claim 1, it is characterized in that, the both sides of described detection axis (502) are provided with two check-out consoles (504) respectively by screw, a side and the described detection axis (502) of these two check-out consoles (504) cooperatively interact, and another side is formed as described test section (D).

18. machining equipments according to claim 1, it is characterized in that, the dipper that described workpiece (200) is excavator, this dipper has two to described otic placode to (202), and described Working piece positioning device comprises two corresponding to (202) to described otic placode with two respectively described otic placode testing agencies (500).

19. machining equipments according to claim 1, it is characterized in that, described clamp system (400) comprises the first base plate (401) and is mounted opposite two the 4th bearings (402) on described first base plate (401), grasping part (406) is formed between two described 4th bearings (402), and two described 4th bearings (402) are threaded the 3rd relative screw rod (403), the end of the 3rd screw rod (403) is provided with the first briquetting (404), wherein each described 4th bearing (402) is provided with at least two described 3rd screw rods (403), these at least two the 3rd screw rods (403) are arranged along the short transverse of described 4th bearing (402).

20. machining equipments according to claim 1, it is characterized in that, described Working piece positioning device comprises base, this base comprises spaced apart first base (10) of longitudinal direction along described workbench (300) and the second base (20), described first base (10) comprises relative to the longitudinal direction moveable slide (17) of described second base (20) along described workbench (300), the slide (17) of described first base (10) and the second base (20) are all provided with described clamp system (400) and centering machine (100).

21. machining equipments according to claim 20, is characterized in that, when described slide (17) moves to precalculated position, described slide (17) can be positioned at described precalculated position.

22. machining equipments according to claim 21, it is characterized in that, described first base (10) also comprises the second guide rail (11) that the longitudinal direction along described workbench (300) extends, and described slide (17) can be mobile along described second guide rail (11).

23. machining equipments according to claim 22, it is characterized in that, described first base (10) also comprises the second base plate (12), and described second guide rail (11) is arranged on described second base plate (12); (17) are provided with the first locating hole to described slide, described second base plate (12) is provided with positioning seat (13), (13) are provided with the second locating hole to this positioning seat, and described slide (17) is positioned on described second base plate (12) by the fastening screw (14) be located in described first locating hole and the second locating hole.

24. machining equipments according to claim 23, it is characterized in that, described first locating hole is row, and described positioning seat (13) is multiple row, and this multiple row positioning seat (13) is arranged along the longitudinal direction interval of described workbench (300).

25. machining equipments according to claim 24, it is characterized in that, described first locating hole is arranged symmetrically with about longitudinal center's axis (y) of described workbench (300), and described positioning seat (13) is correspondingly arranged symmetrically with about longitudinal center's axis (y) of described workbench (300).

26. machining equipments according to claim 23, it is characterized in that, when described slide (17) moves to precalculated position, described slide (17) is fastened on described second base plate (12) by the first bolt (15).

27. machining equipments according to claim 26, it is characterized in that, described second base plate (12) is provided with the first T-shaped groove (16) that the longitudinal direction along described workbench (300) extends, (17) are provided with the first through hole to described slide, and described slide (17) is fastened on described second base plate (12) through the first through hole on described slide (17) is connected with the nut thread of backstop in described first T-shaped groove (16) by described first bolt (15).

28. machining equipments according to claim 26, it is characterized in that, the two ends of the longitudinal direction along described workbench (300) of described slide (17) are fastened on described second base plate (12) by described first bolt (15).