CN207508761U - Engineering machinery housing processes positioning clamping device - Google Patents

Abstract

The utility model is related to machining equipment technical fields, it is intended to improve in the prior art because workpiece is needed in process by repeatedly loading and unloading, caused by error it is overproof, the problem of machining accuracy is low, processing efficiency is low, and workpiece the problem of especially housing class workpiece is difficult to clamping, positioning, centering, a kind of engineering machinery housing processing positioning clamping device is provided.Engineering machinery housing processing positioning clamping device provided by the utility model realizes the purpose for the Working position for changing workpiece under the premise of not needing to dismount workpiece, by the way that the first detent mechanism and the second detent mechanism is set to make workpiece that can ensure positioning stablity when being in different Working positions, so as to improve the machining accuracy of workpiece and processing efficiency, and it is convenient for disassembly and assembly easy to operate.

Description

Engineering machinery housing processes positioning clamping device

Technical field

The utility model is related to machining equipment technical fields, are processed in particular to a kind of engineering machinery housing Positioning clamping device.

Background technology

And shape more complicated workpiece (such as gear box casing) very high for required precision, in no good tooling Under the conditions of, it is difficult to ensure that the machining accuracy of product.

In addition, since above-mentioned workpiece generally all has more complicated curve form, need to carry out in machining processes Multiple clamping, each clamping process can all generate certain error, and this error can be gradual with the increase of clamping times Accumulation, the dimensional accuracy for eventually resulting in workpiece are overproof.

Utility model content

The utility model is intended to provide a kind of engineering machinery housing processing positioning clamping device, can be in process Clamping times are reduced, so as to ensure that machining accuracy, improve processing efficiency.

What the embodiment of the utility model was realized in：

A kind of engineering machinery housing processes positioning clamping device, including：Bottom plate；For the fixture of clamping workpiece；Setting In the swing mechanism of bottom plate, swing mechanism is connect with fixture, for driving fixture in the first predeterminated position and the second predeterminated position Between rotate；And it is set to the first detent mechanism and the second detent mechanism of bottom plate；Wherein, the first detent mechanism is used to press from both sides It is detachably connected with fixture when tool is positioned at the first predeterminated position, to secure fixtures to first predeterminated position；Described Two detent mechanisms are pre- to secure fixtures to second for detachably connected with fixture when fixture is located at the second predeterminated position If position.

In one embodiment of the utility model：

First detent mechanism includes the first support portion and retaining mechanism；First support portion is fixedly connected on bottom plate, and is set It puts in the side of the centre of gyration line of fixture；Retaining mechanism is connect with the first support portion and fixture, by clamp pressing first On support portion.

In one embodiment of the utility model：

Retaining mechanism includes tie down screw and locking nut, and fixture offers the first groove worn for tie down screw；Lock Tight screw rod is hinged with the first support portion, with into and out first groove；Locking nut be used for tie down screw thread fitting with By clamp pressing on the first support portion.

In one embodiment of the utility model：

First detent mechanism further includes the second support portion for being used to support fixture, and the second support portion and the first support portion are distinguished Positioned at the both sides of the centre of gyration line of fixture；Second support portion is detachably connected with bottom plate.

In one embodiment of the utility model：

The second groove is offered on fixture；Second support portion have for be inserted into the second groove the first positioning region and It is used to support the first shoulder of fixture.

In one embodiment of the utility model：

Second support portion is retractable structure.

In one embodiment of the utility model：

First detent mechanism further includes adjusting nut, and adjusting nut is bolted in the second support portion, and adjusting nut is supported with bottom plate It leans on；

Third groove is offered on bottom plate, one end of the second support portion is movably inserted into groove.

In one embodiment of the utility model：

Second detent mechanism includes being arranged on ambilateral first clamping part of folder and the second clamping part, the first clamping part and the Two clamping parts are retractable structure.

In one embodiment of the utility model：

First clamping part includes the first grip bolt and the first locating piece；First locating piece is set to bottom plate；First clamping Bolt is threadedly coupled with the first locating piece；

Second clamping part includes the second grip bolt and the second locating piece；Second locating piece is set to bottom plate；Second clamping Bolt is threadedly coupled with the second locating piece.

In one embodiment of the utility model：

First clamping part includes the first grip bolt being threadedly coupled with the first support portion；

Second clamping part includes the second grip bolt and the second locating piece；Second locating piece is set to bottom plate；Second clamping Bolt is threadedly coupled with the second locating piece.

In one embodiment of the utility model：

Fixture includes pressing plate, hold-down bolt, clamp nut and returning face plate；Pressing plate and the setting of returning face plate relative spacing；Pressing plate The accommodation space for accommodating workpiece is formed between returning face plate；Hold-down bolt one end is connect with returning face plate, and the other end is through pressure Plate is threadedly coupled with clamp nut；

Returning face plate is connect with swing mechanism.

In one embodiment of the utility model：

Fixture further includes locating piece, and locating piece one end is fixedly connected with returning face plate, the other end be used for in accommodation space Inner cavity, groove and/or the inner hole of workpiece.

In one embodiment of the utility model：

Fixture further includes the pushing mechanism for being set to returning face plate；Pushing mechanism is used to support with the workpiece in the accommodation space It leans on.

In one embodiment of the utility model：

Swing mechanism includes shaft, support axle bed and revolving support seat；One end of support axle bed is fixedly connected with bottom plate, separately One end is rotatably coupled with shaft；The both ends of revolving support seat are fixedly connected respectively with shaft and returning face plate；The axis of shaft Centre of gyration line for swing mechanism.

The advantageous effect of the utility model embodiment is：

The embodiment of the utility model is intended to provide a kind of engineering machinery housing processing positioning clamping device, existing to improve In technology because processing efficiency is low, machining accuracy is low caused by workpiece needs to load and unload repeatedly in process the problem of.Engineering Mechanical hull processing positioning clamping device includes swing mechanism, the first detent mechanism, the second detent mechanism and fixture, and fixture is by work Part is fixed on swing mechanism, and workpiece is driven between the first predeterminated position and the second predeterminated position by the rotation of swing mechanism Conversion has achieved the purpose that the Working position of workpiece can be changed by not having to carry out repeatedly handling, and the processing efficiency of workpiece is carried It is 1 times or more high；And there is provided the first detent mechanism and the second detent mechanisms, and workpiece is made to be in the first predeterminated position or second It can be fixed during predeterminated position, ensure that the accuracy and stability of workpiece positioning, further reduce mismachining tolerance, improved Machining accuracy.

Description of the drawings

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is that the engineering machinery housing that the utility model embodiment 1 provides processes positioning clamping device at the first visual angle Under partial sectional view；

Fig. 2 is that the engineering machinery housing that the utility model embodiment 1 provides processes positioning clamping device at second of visual angle Under structure diagram；

Fig. 3 is that the engineering machinery housing that the utility model embodiment 1 provides processes the second support portion in positioning clamping device Structure diagram；

Fig. 4 is that the engineering machinery housing that provides of the utility model embodiment 1 processes fixture in positioning clamping device and is located at the The structure diagram of two predeterminated positions；

Fig. 5 is that the engineering machinery housing that the utility model embodiment 2 provides processes the second support portion in positioning clamping device Structure diagram.

Icon：010- engineering machinery housing processes positioning clamping device；100- bottom plates；110- positioning splines；10a- is turned round Center line；200- swing mechanisms；210- supports axle bed；220- shafts；230- revolving support seats；240- driving mechanisms；300- is pressed from both sides Tool；310- returning face plates；320- pressing plates；321- strip holes；330- hold-down bolts；340- clamp nuts；350- locating pieces；360- is pushed away Motivation structure；361- positioning seats；362- adjusting bolts；The first detent mechanisms of 400-；The first support portions of 411-；412- retaining mechanisms； 4121- tie down screws；4122- locking nuts；The first grooves of 414-；The second support portions of 421-；422- adjusting nuts；423- second Groove；424- third grooves；The first positioning regions of 4211-；The first shoulders of 4212-；The second positioning regions of 4213-；It is supported on 4214- Portion；Support portion under 4215-；4216- adjusting nuts；4217- thirds positioning region；4218- third shoulders；The second shoulders of 4219-； The second detent mechanisms of 500-；The first grip bolts of 510-；The second clamping parts of 520-；The second grip bolts of 521-；522- second is fixed Position block；600- workpiece.

Specific embodiment

Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be configured to arrange and design with a variety of different.

Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work, all Belong to the range of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.

In the description of the utility model embodiment, it should be noted that term " first ", " second " etc. are only used for distinguishing Description, and it is not intended that instruction or hint relative importance.

Embodiment 1

Referring to Fig.1 and 2, present embodiments provide a kind of engineering machinery housing processing positioning clamping device 010, packet Include bottom plate 100, swing mechanism 200, fixture 300, the first detent mechanism 400 and the second detent mechanism 500.Swing mechanism 200, One detent mechanism 400 and the second detent mechanism 500 are arranged at 100 upper surface of bottom plate, and fixture 300 is used for clamping workpiece 600.It returns Rotation mechanism 200 is connect with fixture 300, for fixture 300 to be driven to rotate (figure between the first predeterminated position and the second predeterminated position In 1, fixture 300 is located at the first predeterminated position；In Fig. 4, fixture 300 is located at the second predeterminated position).First detent mechanism 400 is used In detachably connected with fixture 300 when fixture 300 is located at the first predeterminated position, fixture 300 is fixed on first and is preset Position；Second detent mechanism 500, will for detachably connected with fixture 300 when fixture 300 is located at the second predeterminated position Fixture 300 is fixed on the second predeterminated position.

Engineering machinery housing processing positioning clamping device 010 provided in this embodiment is realized without carrying out repeatedly handling just The purpose of the Working position of workpiece 600 can be changed, improve processing efficiency, reduce mismachining tolerance；And there is provided first 400 and second detent mechanism 500 of detent mechanism, can be by when so that the workpiece 600 is in the first predeterminated position or the second predeterminated position It is fixed, by, with the use of the location accuracy and stability that ensure that workpiece 600, further reducing and adding with fixture 300 Work error, improves machining accuracy.

Engineering machinery housing provided in this embodiment processing positioning clamping device 010 is further illustrated below：

Referring to Fig.1 and 2, in the present embodiment, the upper surface and lower face of bottom plate 100 are plane, and lower face is set There is positioning spline 110, positioning spline 110 is used to coordinate with the key on machining tool, clamps the processing positioning of engineering machinery housing Device 010 is fixed on machining tool so that in process, engineering machinery housing processing positioning clamping device 010 is not Relative motion can occur with machining tool.

In the present embodiment, swing mechanism 200 includes support axle bed 210, shaft 220 and revolving support seat 230, supports axle bed 210 are bolted to connection together with bottom plate 100, and shaft 220 is arranged in the other end and bearing axle seat of support axle bed 210 Rotation connection, one end of revolving support seat 230 are fixedly connected with shaft 220, make revolving support seat 230 that can turn with shaft 220 Dynamic to rotate together, the other end of revolving support seat 230 is fixedly connected with fixture 300.The axis of shaft 220 is as swing mechanism 200 centre of gyration line 10a.

Further, on bottom plate 100, two swing mechanisms 200 are arranged with along the centre of gyration line 10a of device, are pressed from both sides Tool 300 is folded between two swing mechanisms 200.By setting 200 common propclip of swing mechanism respectively in 300 both sides of fixture Tool 300 so that the support of fixture 300 is more stablized, and during being processed to workpiece 600, workpiece 600 is not in shake It is dynamic, it ensure that machining accuracy.

Further, swing mechanism 200 further includes driving mechanism 240, and driving mechanism 240 is operation handwheel, operates handwheel Be fixedly connected with shaft 220, rotating operation handwheel can drive shaft 220 rotate.In other embodiments, driving mechanism 240 It can also be the device that motor etc. can export rotational motion automatically, to reduce labor intensity, make the processing of engineering machinery housing fixed The operation of position clamping device 010 is simpler, convenient.

Fig. 1 is please referred to, fixture 300 includes returning face plate 310, pressing plate 320, hold-down bolt 330 and clamp nut 340, overturning Revolving support seat 230 of the both ends of plate 310 respectively with two swing mechanisms 200 is fixedly connected, when the driving of rotating operation handwheel turns When axis 220 rotates, revolving support seat 230 is rotated with shaft 220, and then returning face plate 310 is driven to turn around revolution center line 10a Dynamic, returning face plate 310 is set with 320 relative spacing of pressing plate, and workpiece 600 is placed in 310 upper surface of returning face plate, and pressing plate 320 is placed in workpiece On 600 1 side end faces, make in the accommodation space that workpiece 600 is accommodated between pressing plate 320 and returning face plate 310, hold-down bolt 330 For studs, one end passes through pressing plate 320 and workpiece 600 to be spirally connected with returning face plate 310, and the other end is bolted with clamp nut 340, Workpiece 600 is made to be pinched on returning face plate 310 by tightening clamp nut 340 so that workpiece 600 is in processing and rotation process In all fixed, will not with engineering machinery housing process positioning clamping device 010 relatively move.The axis of hold-down bolt 330 Line processes the positioning datum of positioning clamping device 010 for engineering machinery housing.Workpiece 600 is folded in returning face plate by setting Installation way between 310 and pressing plate 320 makes the even housing class workpiece of workpiece 600 be attained by good clamping effect.

Optionally, fixture 300 further includes the locating piece 350 being arranged on returning face plate 310, in the present embodiment, locating piece 350 be positioning convex platform, and when workpiece 600 is mounted on returning face plate 310, positioning convex platform is fastened in the inner cavity of workpiece 600, is ensured Workpiece 600 will not move on returning face plate 310, and the fixation for making workpiece 600 is more secured, and positioning is more accurate.It should be understood that In other embodiments, size and the position of locating piece 350 can be specifically set according to the groove on workpiece 600 or endoporus etc., Locating piece 350 can be set as locating shaft, positioning pin etc..

Further, Fig. 4 is please referred to, is additionally provided on pressing plate 320 along the radius of pressing plate 320 and is extended to from 320 circumference of pressing plate The strip hole 321 at 320 center of pressing plate so that fixture 300 is not needed to clamp nut 340 in dismounting from hold-down bolt 330 It disassembles, only need to turn clamp nut 340, make it that can remove pressing plate 320 with the disengaging of pressing plate 320, the dress of fixture 300 It unloads more efficient and convenient.

Further, fixture 300 further includes pushing mechanism 360, in the present embodiment, symmetrical about centre of gyration line 10a Setting there are two pushing mechanism 360, and two pushing mechanisms 360 are fixedly connected on one end of returning face plate 310；Pushing mechanism 360 include positioning seat 361 and adjusting bolt 362, and positioning seat 361 is fixedly connected with returning face plate 310, and adjusting bolt 362 is spirally connected simultaneously Through positioning seat 361, the axis of adjusting bolt 362 is parallel with centre of gyration line 10a, can ejection by rotating adjusting bolt 362 Workpiece 600 adjusts the position of workpiece 600, and the true edge for making workpiece 600 is parallel with the reference axis of machining tool, and workpiece 600 is determined Position is more accurate, reduces error.

It needs what is illustrated, in the present embodiment, two pushing mechanisms 360 is symmetrically arranged with about centre of gyration line 10a, So that the positioning of workpiece 600 is more accurate, reduce mismachining tolerance, it is possible to understand that, it, can also root in other specific embodiments According to the quantity and specific location of the demand setting pushing mechanism 360 of user.Referring to Fig.1 and 2, in the revolution of returning face plate 310 The side of center line 10a is equipped with the first detent mechanism 400, and the first detent mechanism 400 includes the first support portion 411 and retaining mechanism 412, the first support portion 411 is " fall T " the font support base being fixedly installed on bottom plate 100, the upper surface of the first support portion 411 It is arranged in parallel with 100 end face of bottom plate, first one end of support portion 411 far from bottom plate 100 is supported on 310 lower face of returning face plate, turns over The first groove 414 extended from 310 1 side end face of returning face plate edge perpendicular to centre of gyration line 10a directions is offered on flap 310, First groove 414 is the "u"-shaped groove through returning face plate 310.In the present embodiment, retaining mechanism 412 includes tie down screw 4121 With locking nut 4122,4121 one end of tie down screw is hinged with the first support portion 411, can make lock by rotation lock screw rod 4121 4121 into and out first groove 414 of tight screw rod, locking nut 4122 are bolted on tie down screw 4121, tighten locking nut 4122 can be such that returning face plate 310 is pressed on the first support portion 411.At this point, returning face plate 310 is in the first predeterminated position.It needs It is noted that retaining mechanism 412 is not limited to above-mentioned structure type, in other embodiments, those skilled in the art can To be voluntarily configured according to specific operating mode, such as retaining mechanism 412 is set as latch segment and clamping screw, the both ends of latch segment It is clamped respectively with 310 and first support portion 411 of returning face plate, clamping screw is spirally connected with latch segment, tightens clamping screw, makes locking screw Bolt is tightly against on returning face plate 310, is pressed on the first support portion 411 so as to fulfill by returning face plate 310.

Please refer to Fig. 1 to Fig. 3, in the present embodiment, the first detent mechanism 400 further includes the second support portion 421, the second support Portion 421 is oppositely arranged with the first support portion 411, and returning face plate 310 is between the first support portion 411 and the second support portion 421.The Two support portions 421 are supporting rod, and both ends are respectively arranged with the first positioning region 4211 and the second positioning region 4213, the first positioning region 4211 are arranged in the second groove 423 being arranged on returning face plate 310, and the second groove 423 is from 310 1 side end face of returning face plate along hanging down Directly in the "u"-shaped groove of centre of gyration line 10a directions extension, the first positioning region 4211 has opposite two planes being arranged in parallel can The inner wall with the second groove 423 abuts respectively, and the third groove 424 being arranged on bottom plate 100 is inserted into the second positioning region 4213, the There is inner wall that can be respectively with third groove 424 with respect to two planes being arranged in parallel to abut for two positioning regions 4213, make first to determine Position portion 4211 is that face contacts with the second groove 423, the second positioning region 4213 with third groove 424, improves the second support portion 421 Stability of strutting system.Second support portion 421 is additionally provided with the first shoulder 4212 and the second shoulder 4219, the first shoulder 4212 and second Shoulder 4219 is arranged in parallel, and the first shoulder 4212 is supported on the lower face of returning face plate 310.Pass through the first support portion 411 and second The common supporting role of support portion 421 so that the fixation of fixture 300 is more stablized.

Further, the second support portion 421 is bolted with adjusting nut 422, adjusting nut 422 close to one end of bottom plate 100 The upper surface of bottom plate 100 is resisted against, the axial height of the second support portion 421 is adjusted by turning adjusting nut 422, and then adjust 310 lower face of returning face plate is adjusted the levelness of returning face plate 310 to the distance of bottom plate 100 so that the positioning of workpiece 600 It is more accurate, improve machining accuracy.In order to smoothly be adjusted to the levelness of returning face plate 310 and conveniently be supported to second Portion 421 is dismantled, and the distance of second the 4219 to the first shoulder of shoulder 4212 should be less than the height of the first support portion 411.

Need what is illustrated, in the present embodiment, in order to make positioning more stable and simple in structure, retaining mechanism 412 and second Support portion 421 is set to two, it is possible to understand that, in other embodiments, it will can also lock according to the demand of user The quantity of 412 and second support portion 421 of tight mechanism is set as one or more.

Please refer to Fig. 1, Fig. 2 and Fig. 4, the second detent mechanism 500 includes two and is oppositely arranged on the of 310 both sides of returning face plate One clamping part and the second clamping part 520, in order to make the structure of engineering machinery housing processing positioning clamping device 010 simpler tight It gathers, be laid out more reasonable, in the present embodiment, the first clamping part is arranged on the first support portion 411, and the first clamping part includes first Grip bolt 510, the first grip bolt 510 are connected through a screw thread through the first support portion 411 and with the first support portion 411, Axis extends along perpendicular to the direction of centre of gyration line 10a；Second clamping part 520 includes the second locating piece 522 and the second clamping Bolt 521, the second locating piece 522 are fixedly mounted on bottom plate 100, the second grip bolt 521 through the second locating piece 522 and with Second locating piece 522 is connected through a screw thread, and axis extends along perpendicular to the direction of centre of gyration line 10a.By 310 turns of returning face plate It is 90 ° dynamic, when being placed in position as shown in Figure 4, the first grip bolt 510 and the second grip bolt 521 are rotated, makes the first clamping spiral shell 510 and second grip bolt 521 of bolt abuts respectively with workpiece 600 or fixture 300, passes through the first grip bolt 510 and the second folder The collective effect of bolt 521 is held, fixes workpiece 600.At this point, returning face plate 310 is in the second predeterminated position.

The application method of engineering machinery housing processing positioning clamping device 010 provided in the embodiment 1 of the utility model It is as follows：

Engineering machinery housing processing positioning clamping device 010 is installed on the workbench of machining tool, and make processing machine The Cutter coordinate system origin of bed is overlapped with the positioning datum of engineering machinery housing processing positioning clamping device 010.Rotating operation hand Wheel makes returning face plate 310 be resisted against on the first support portion 411；Adjusting nut 422 is screwed onto on the second support portion 421, second The second groove 423 is inserted into first positioning region 4211 of support part 421, and the first shoulder 4212 is made to be supported on the lower end of returning face plate 310 Third groove 424 is inserted into face, the second positioning region 4213 of the second support portion 421, and adjusting nut 422 is resisted against on bottom plate 100, is turned Dynamic tie down screw 4121, makes tie down screw 4121 enter the first groove 414, locking nut 4122 is screwed onto tie down screw 4121 On, turn locking nut 4122 makes locking nut 4122 contact but not tighten with returning face plate 310, and rotation adjusting nut 422 is adjusted Returning face plate 310 arrives the distance of bottom plate 100, and the levelness of returning face plate 310 is made to be less than 0.02, locking nut 4122 is tightened at this time and then turns over Flap 310 is firmly fixed in the first predeterminated position.Workpiece 600 is placed in 310 upper surface of returning face plate, and set convex decometer In the inner cavity of workpiece 600, pressing plate 320 is installed in 600 end face of workpiece, workpiece 600 is made to be folded in returning face plate 310 and pressing plate 320 Centre, one end of hold-down bolt 330 pass through pressing plate 320 and workpiece 600 to be spirally connected with returning face plate 310, clamp nut 340 are set in 330 other end of hold-down bolt；Adjusting bolt 362 is rotated, adjusting bolt 362 is made to be resisted against on the positioning reference plane of workpiece 600, it is right The positioning datum side of workpiece 600 is adjusted, until positioning datum side is parallel with the reference axis of lathe；Tighten clamp nut 340 Workpiece 600 is made to be clamped by pressing plate 320 and returning face plate 310, so as to which workpiece 600 is fixed on the first predeterminated position.

When workpiece 600 needs to go to the second predeterminated position, locking nut 4122 and rotation lock screw rod 4121 are unclamped, is made Tie down screw 4121 is detached from from the first groove 414, rotates adjusting nut 422, the second support portion 421 is fallen naturally, recessed with second Slot 423 is detached from, and the second support portion 421 with adjusting nut 422 is processed from engineering machinery housing in positioning clamping device 010 and is dismantled Get off, returning face plate 310 is overturn 90 ° and reaches state as shown in Figure 4,510 He of the first grip bolt of turn by rotating operation handwheel Second grip bolt 521 makes the first grip bolt 510 and the second grip bolt 521 push against returning face plate 310 or workpiece 600 respectively, Workpiece 600 is made to be fixed on the second predeterminated position by the collective effect of the first grip bolt 510 and the second grip bolt 521.

Embodiment 2

The present embodiment also provides a kind of engineering machinery housing processing positioning clamping device 010, and the present embodiment is to implement Being further improved on the basis of the technical solution of example 1, the technical solution that embodiment 1 describes are equally applicable to the present embodiment, real The technical solution that example 1 has been recorded is applied to be not repeated to describe.

Specifically, the present embodiment is with embodiment 1, difference lies in the second support portion 421 is split type knot in the present embodiment Structure, length are adjustable.Please refer to Fig. 5, structure diagrams of the Fig. 5 for the second support portion 421 in the present embodiment, the second support portion 421 include upper support portion 4214, lower support portion 4215 and adjusting nut 4216, and one end of upper support portion 4214 is equipped with the first positioning 4211 and first shoulder 4212 of portion, the first positioning region 4211 can be inserted into the second groove 423, and the first shoulder 4212 is supported on overturning 310 lower face of plate, the other end are equipped with screw thread and are bolted with adjusting nut 4216, and upper support portion 4214 can be from lower support portion 4215 One end is inserted into, and adjusting nut 4216 is resisted against on lower support portion 4215, and the other end of lower support portion 4215 is equipped with third positioning region 4217 and third shoulder 4218, third positioning region 4217 is inserted into third groove 424, and third shoulder 4218 is resisted against bottom plate 100 On, by rotating the axial length of i.e. adjustable second support portion 421 of adjusting nut 4216, and then adjust returning face plate 310 and bottom The distance of plate 100 achievees the purpose that adjust 310 levelness of returning face plate.

In conclusion the embodiment of the utility model provides a kind of engineering machinery housing processing positioning clamping device, purport Improve in the prior art because workpiece configurations complexity, needed in process by repeatedly loading and unloading, caused by error it is overproof, add The problem of work precision is low, processing efficiency is not high and workpiece the problem of especially housing class workpiece is difficult to clamping, positioning, centering. It has slewing equipment, can change the Working position of workpiece by rotation, processing can be completed without multiple clamping.Pass through setting First detent mechanism and the second detent mechanism, make that workpiece is in the first predeterminated position or the second predeterminated position can be by very Good fixation, the first detent mechanism and the second detent mechanism are realized by the cooperation with fixture to workpiece respectively at work The accuracy and stability of workpiece positioning has been effectively ensured in precise positioning and stabilizing grip, so as to ensure that the processing of workpiece essence Degree.Engineering machinery housing processing positioning clamping device realizes the quick despatch of workpiece, positioning, and positioning stablity, with tradition Processing method improves 1 times or more compared to processing efficiency, has good application value and economic benefit.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of engineering machinery housing processes positioning clamping device, which is characterized in that including：

Bottom plate；

Fixture, the fixture are used for clamping workpiece；

The swing mechanism of the bottom plate is set to, the swing mechanism is connect with the fixture, for driving the fixture It is rotated between one predeterminated position and the second predeterminated position；And

It is set to the first detent mechanism and the second detent mechanism of the bottom plate.

2. engineering machinery housing according to claim 1 processes positioning clamping device, it is characterised in that：First positioning The fixture is fixed on for detachably connected with the fixture when the fixture is located at the first predeterminated position by mechanism First predeterminated position；Second detent mechanism is used for can with the fixture when the fixture is located at the second predeterminated position It releasably connects, the fixture is fixed on second predeterminated position.

3. engineering machinery housing according to claim 1 or 2 processes positioning clamping device, it is characterised in that：

First detent mechanism includes the first support portion and retaining mechanism；First support portion is fixedly connected on the bottom plate On, and it is arranged on the side of the centre of gyration line of the fixture；The retaining mechanism and first support portion and the fixture Connection, by the clamp pressing on first support portion.

4. engineering machinery housing according to claim 3 processes positioning clamping device, it is characterised in that：

The retaining mechanism includes tie down screw and locking nut, and the fixture offers first worn for the tie down screw Groove；The tie down screw is hinged with first support portion, with into and out first groove；The locking nut is used In with the tie down screw thread fitting with by the clamp pressing on first support portion.

5. engineering machinery housing according to claim 3 processes positioning clamping device, it is characterised in that：

First detent mechanism further includes the second support portion for being used to support the fixture, second support portion and described the One support portion is respectively positioned at the both sides of the centre of gyration line of the fixture；Second support portion detachably connects with the bottom plate It connects.

6. engineering machinery housing according to claim 5 processes positioning clamping device, it is characterised in that：

Second support portion is retractable structure.

7. engineering machinery housing according to claim 1 or 2 processes positioning clamping device, it is characterised in that：

Second detent mechanism includes being arranged on ambilateral first clamping part of folder and the second clamping part, first clamping part It is retractable structure with second clamping part.

8. engineering machinery housing according to claim 1 or 2 processes positioning clamping device, it is characterised in that：

The fixture includes pressing plate, hold-down bolt, clamp nut and returning face plate；The pressing plate and the returning face plate relative spacing are set It puts；The accommodation space for accommodating workpiece is formed between the pressing plate and the returning face plate；Described hold-down bolt one end with it is described Returning face plate connects, and the other end is threadedly coupled through the pressing plate with the clamp nut；

The returning face plate is connect with the swing mechanism.

9. engineering machinery housing according to claim 8 processes positioning clamping device, it is characterised in that：

The fixture further includes locating piece, and described locating piece one end is fixedly connected with the returning face plate, the other end be used for it is described Inner cavity, groove and/or the inner hole of workpiece in accommodation space.

10. engineering machinery housing according to claim 8 processes positioning clamping device, it is characterised in that：

The fixture further includes the pushing mechanism for being set to the returning face plate；The pushing mechanism be used for in the accommodation space Workpiece against.