CN209050131U - A kind of bias vehicle clamper - Google Patents

Abstract

The utility model discloses a kind of eccentric vehicle clamper, for positioning workpiece to be processed, it includes oild chuck, soft pawl and the positioning sleeve being removably disposed on soft pawl, and soft pawl includes the first soft pawl, the second soft pawl and the soft pawl of third that can move along the radial direction of oild chuck；Positioning sleeve includes the first positioning sleeve of setting, the second positioning sleeve and third positioning sleeve, the 4th groove is offered on first positioning sleeve, the 5th groove is offered on second positioning sleeve, the 6th groove is offered on third positioning sleeve, the 4th groove, the 5th groove and the 6th groove form the space for positioning workpiece to be processed；The center of circle of first circle and the center of circle of the second circle maintain a certain distance in the vertical direction.The utility model positions workpiece to be processed by the way that positioning sleeve is arranged, and corresponding positioning sleeve can be designed according to different workpieces to be processed, without replacing soft pawl, enables and can guarantee its bias accurate positioning when processing to workpiece to be processed, to guarantee machining accuracy.

Description

A kind of bias vehicle clamper

Technical field

The utility model relates to field of machining and machinebuilding technology more particularly to a kind of eccentric vehicle clampers.

Background technique

Off-centre operation disk-like accessory is frequently encountered in production has irregular, eccentric structure, makes zero with eccentric structure Control complexity difference of part during Set and Positioning is very big, while being influenced by human factors such as operator's technical levels Greatly, batch production quality is not easy to control.Eccentric method is routinely processed, operator's technical level requires height, and clamping adjustment takes When it is laborious, more limit the raising of efficiency of numerical control (NC) machining；And traditional soft pawl of chuck needs to customize, the method generallyd use be by Soft pawl is welded on chuck, easy to wear, when leading to replacement frequently, and needing the diameter difference of workpieces processing, then needs to buy new Soft pawl, such mode low efficiency, increased costs and using extremely inconvenient.

Utility model content

In order to solve the problems in the existing technology, the utility model provides a kind of high-precision eccentric vehicle clamper, institute It is as follows to state technical solution:

The utility model provides a kind of eccentric vehicle clamper, and for positioning workpiece to be processed, the bias vehicle clamper includes It oild chuck, the soft pawl being movably disposed in the chuck body of the oild chuck and is removably disposed in described soft Positioning sleeve on pawl, the soft pawl include the first soft pawl that can move along the radial direction of oild chuck, the second soft pawl and Three soft pawls offer the first groove on the first soft pawl, offer on the second soft pawl and offer on the soft pawl of the second groove, third Third groove, the inner sidewall of the first groove, the second groove and third groove are arcuate structure and form the first circle；The positioning Set include the first positioning sleeve being arranged on first groove, the second positioning sleeve for being arranged on second groove and Third positioning sleeve on the third groove is set, offers the 4th groove on first positioning sleeve, on the second positioning sleeve The 5th groove is offered, the 6th groove is offered on third positioning sleeve, the 4th groove, the 5th groove and the 6th groove are spliced to form For positioning the space of workpiece to be processed, and the inside of the inner sidewall of the first groove, the inner sidewall of the second groove and third groove Wall is arcuate structure；What the inner sidewall of the inner sidewall of first groove, the inner sidewall of the second groove and third groove was formed The center of circle for the second circle that the center of circle of first circle is formed with the inner sidewall of the 4th groove, the 5th groove and the 6th groove is vertical It is maintained a certain distance on direction.

Further, two sides of the described first soft pawl far from the first positioning sleeve, the second soft pawl are far from the second positioning The two sides of set and the soft pawl of the third are provided with limited block far from the two sides of third positioning sleeve, the limited block One end extends to positioning sleeve direction.

Further, workpiece to be processed includes turbine case, and the turbine case includes shell ontology and inlet flange.

Further, first positioning sleeve has the first plane and the second plane lower than the first plane, the second positioning Set has third plane and the fourth plane lower than third plane, and third positioning sleeve has the 5th plane and lower than the 5th plane The shell ontology of 6th plane, the turbine case is arranged in second plane, fourth plane and the 6th plane；When first soft After pawl, the second soft pawl and the soft pawl of third move a certain distance along the radial direction of oild chuck, the 4th groove, the 5th groove It is equal with the diameter of circular hole of shell body bottom portion of the turbine case with the inner sidewall of the 6th groove the second diameter of a circle formed.

Further, the described first soft pawl has the first upper surface and the second upper surface lower than the first upper surface, described Second soft pawl has third upper surface and the 4th upper surface lower than third upper surface, and the soft pawl of third has the 5th upper surface And the 6th upper surface lower than the 5th upper surface；First plane of first positioning sleeve and the first upper surface of the first soft pawl are neat Flat, the third plane of the second positioning sleeve is flushed with the third upper surface of the second soft pawl, the 5th plane and third of third positioning sleeve 5th upper surface of soft pawl flushes.

Further, the junction of first plane and the second plane, third plane and fourth plane junction and The junction of 5th plane and the 6th plane is arc-shaped structure.

Further, the described second soft pawl is connect far from one end of the second positioning sleeve with support, and the support passes through positioning Support column is connect with the left side of the inlet flange of the turbine case；The support is connect with supporting plate, the air inlet of the turbine case The leading flank of flange is connect with the supporting plate by the second fastener.

Further, the width of the described first soft pawl, the second soft pawl and the soft pawl of third is positioned with the first positioning sleeve, second Set is of same size with third positioning sleeve.

Further, between the front end of the described first soft pawl and the front end of the second soft pawl, the front end of the second soft pawl and third Between the front end of the soft pawl and front end of the first soft pawl and the front end of the soft pawl of third maintain a certain distance.

Further, the front end of the soft pawl and the front end of positioning sleeve are disposed as V-structure.

Technical solution bring provided by the utility model has the beneficial effect that:

A. the utility model positions workpiece to be processed by the way that positioning sleeve is arranged, and can be according to different works to be processed Part designs corresponding positioning sleeve, can guarantee it partially without replacing soft pawl, when so that carrying out metalworking to workpiece to be processed The heart can accurate positioning reduce difficulty of processing to guarantee machining accuracy, improve processing quality, save process time；And soft pawl It is not easy to wear, it is reusable；

B. easy to operate, it is easy to use, can be mass, replace positioning sleeve component is convenient, improve efficiency, saves integrate at This.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is the top view for not installing workpieces processing of eccentric vehicle clamper provided by the embodiment of the utility model；

Fig. 2 is the top view of the installation workpieces processing of eccentric vehicle clamper provided by the embodiment of the utility model；

Fig. 3 is the top view of the provided by the embodiment of the utility model first soft pawl；

Fig. 4 is the sectional view of the main view of the provided by the embodiment of the utility model first soft pawl；

Fig. 5 is the top view of positioning sleeve provided by the embodiment of the utility model；

Fig. 6 is the perspective view of turbine case provided by the embodiment of the utility model.

Wherein, appended drawing reference includes: 1- oild chuck, the soft pawl of 2-, the soft pawl of 21- first, the soft pawl of 22- second, and 23- third is soft Pawl, 3- positioning sleeve, the first positioning sleeve of 31-, the second positioning sleeve of 32-, 33- third positioning sleeve, 4- limited block, 5- turbine case, 51- shell Ontology, 52- inlet flange, 6- support, 7- positioning support column, 8- supporting plate, the second fastener of 9-.

Specific embodiment

In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered When the range for belonging to the utility model protection.

It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing, " second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this In illustrate or description those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, meaning Figure be to cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, device, product or equipment Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, Other intrinsic step or units of method, product or equipment.

In one embodiment of the utility model, a kind of eccentric vehicle clamper is provided, referring to Fig. 1 and Fig. 2, eccentric vehicle folder Tool for clamping and positioning workpiece to be processed, the bias vehicle clamper include oild chuck 1, be movably disposed at it is described hydraulic Soft pawl 2 in the chuck body of chuck 1 and the positioning sleeve 3 being removably disposed on the soft pawl 2, the soft pawl 2 include First soft pawl 21, the second soft pawl 22 and the soft pawl 23 of third, the first soft pawl 21, the second soft pawl 22 and the soft pawl 23 of third are removable It is arranged in the chuck body of the oild chuck 1 dynamicly, and the first soft pawl 21, the second soft pawl 22 and the soft pawl 23 of third can edges The radial direction of oild chuck 1 is mobile, and the first soft pawl 21, the second soft pawl 22 keep certain between the soft pawl 23 of third Distance, and between the first soft pawl 21 and the second soft pawl 22, between the second soft pawl 22 and the soft pawl 23 of third, the first soft pawl 21 and third Shape forms an angle between soft pawl 23, and angle is preferably 120 degree；The first groove, second soft is offered on the first soft pawl 21 Pawl 22 is equipped with the second groove, the soft pawl 23 of third is equipped with third groove, the inside of the first groove, the second groove and third groove Wall is arcuate structure and forms the first circle.

The positioning sleeve 3 includes the first positioning sleeve 31 being arranged on first groove, is arranged in second groove On the second positioning sleeve 32 and the third positioning sleeve 33 that is arranged on the third groove, the specific structure of positioning sleeve 3 referring to Fig. 5 offers the 4th groove on first positioning sleeve 31, the 5th groove, third positioning sleeve is offered on the second positioning sleeve 32 The 6th groove is offered on 33, the 4th groove, the 5th groove and the 6th groove are spliced to form the sky for positioning workpiece to be processed Between, and the inner sidewall of the 4th groove, the inner sidewall of the 5th groove and the inner sidewall of the 6th groove are arcuate structure.

The first circle that the inner sidewall of the inner sidewall of first groove, the inner sidewall of the second groove and third groove is formed The center of circle of the chuck body of the center of circle and oild chuck 1 is on same vertical line；The inner sidewall of first groove, the second groove The center of circle for the first circle that the inner sidewall of inner sidewall and third groove is formed and the 4th groove, the 5th groove and the 6th groove Inner sidewall formed second circle the center of circle maintain a certain distance in the vertical direction, i.e., described 4th groove, the 5th groove and The center of circle of the chuck body in the center of circle and oild chuck 1 for the second circle that the inner sidewall of the 6th groove is formed is not in same vertical line On, enabling can guarantee its bias accurate positioning when carrying out metalworking to workpiece to be processed, to guarantee machining accuracy, reduce Difficulty of processing improves processing quality, saves process time (because of the circle and the circular hole at top of the circular hole of workpiece to be processed bottom The center of circle will appear when to work pieces process not on same vertical line and be difficult to be aligned eccentric situation).

Workpiece to be processed includes turbine case and off-centre operation disk-like accessory etc., in one embodiment of the utility model, to Workpieces processing is turbine case 5, and the turbine case 5 includes shell ontology 51 and inlet flange 52, and the specific structure of turbine case is referring to figure 6。

Further, the front end of the soft pawl 2 and the front end of positioning sleeve 3 are disposed as V-structure, in favor of saving material Material, and it is conducive to processing；First positioning sleeve 31 has the first plane and the second plane lower than the first plane, the second positioning sleeve 32 have third plane and the fourth plane lower than third plane, and third positioning sleeve 33 has the 5th plane and is lower than the 5th plane The 6th plane, the junction of the first plane and the second plane, the junction of third plane and fourth plane and the 5th plane and The junction of 6th plane be it is arc-shaped, the setting of the shell ontology 51 of the turbine case 5 second plane, fourth plane and In 6th plane；When the first soft pawl 21, the second soft pawl 22 and the soft pawl 23 of third move centainly along the radial direction of oild chuck 1 Distance (for distance according to the diameter design of the circular hole of the shell body bottom portion of turbine case, the distance of different turbine case settings is different) Afterwards, the junction of the first plane and the second plane, the junction of third plane and fourth plane and the 5th plane and the 6th plane To form the second diameter of a circle with the diameter of circular hole of shell body bottom portion of turbine case equal for junction so that turbine case Accurate positioning.

The first soft pawl 21 have the first upper surface and lower than the second upper surface of the first upper surface (the first soft pawl 21 Top view is detailed in Fig. 3, and the section of the main view of the first soft pawl 21 is detailed in Fig. 4), first positioning sleeve 31 is arranged in the second upper end On face, the second soft pawl 22 has third upper surface and the 4th upper surface lower than third upper surface, second positioning sleeve 32 are arranged on the 4th upper surface, and the soft pawl 23 of third has the 5th upper surface and the 6th upper end lower than the 5th upper surface Face, the third positioning sleeve 33 are arranged on the 6th upper surface, junction, the third upper end of the first upper surface and the second upper surface The junction of the junction of face and the 4th upper surface, the 5th upper surface and the 6th upper surface is arc-shaped.

Further, the outer end in contact of the arc end of the first soft pawl 21 and the first positioning sleeve 31, the arc of the second soft pawl 22 The outer end in contact at end and the second positioning sleeve 32, the arc end of the soft pawl 23 of third and the outer end in contact of third positioning sleeve 33；Described First plane of one positioning sleeve 31 is flushed with the upper surface of the first soft pawl 21, the third plane of the second positioning sleeve 32 and the second soft pawl 22 upper surface flushes, and the 5th plane of third positioning sleeve 33 is flushed with the upper surface of the soft pawl 23 of third, workpiece easy to process It is steady to place, and processing and material saving convenient for soft pawl.

In the present invention, two sides of the described first soft pawl 21 far from the first positioning sleeve 31, the second soft pawl 22 Two sides and the soft pawl 23 of the third far from the second positioning sleeve 32 are respectively provided with limited far from the two sides of third positioning sleeve 32 Position block 4, referring to Fig. 1 and Fig. 2, one end of the limited block 4 extends the specific structure of limited block to 3 direction of positioning sleeve, the limit Position block 4 is for stationary positioned set and corresponding soft pawl, to guarantee the eccentric distance accurate positioning of turbine case.

Between the first soft pawl 21 and the first positioning sleeve 31, between the second soft pawl 22 and the second positioning sleeve 32, institute It states and is connected by least one first fastener between the soft pawl 23 of third and third positioning sleeve 33, first fastener is preferred For screw, three screws are preferably provided on the first positioning sleeve 31, the second positioning sleeve 32 and third positioning sleeve 33, position is arranged in screw It sets and is configured according to workpiece to be processed bottom circular aperture diameter.

The width of the first soft pawl 21, the second soft pawl 22 and the soft pawl 23 of third is positioned with the first positioning sleeve 31, second Set 32 and third positioning sleeve 33 it is of same size so that the front end face of the first soft pawl 21 and the front end with the first positioning sleeve 31 Face is in same vertical plane, the rear end face of the first soft pawl 21 and is in same vertical with the rear end face of the first positioning sleeve 31 Face；The front end face of second soft pawl 22 and the front end face of the second positioning sleeve 32 are in same vertical plane, the rear end face of the second soft pawl 22 Same vertical plane is in the rear end face of the second positioning sleeve 32；The front end face of the soft pawl 23 of third and the front end face of third positioning sleeve 33 In same vertical plane, the rear end face of the soft pawl 23 of third and the rear end face of third positioning sleeve 33 are in same vertical plane, thus just In processing and fabricating.

Between the front end of the first soft pawl 21 and the front end of the second soft pawl 22, the front end of the second soft pawl 22 and the soft pawl of third Between the 23 front end and front end of the first soft pawl 21 and the front end of the soft pawl 23 of third maintain a certain distance, and are convenient for Position that first soft pawl 21, the second soft pawl 22 and the soft pawl 23 of third need to process after being positioned according to workpieces processing it is mobile accordingly away from From.

The second soft pawl 22 is connect far from one end of the second positioning sleeve 32 with support 6, and the support 6 passes through positioning support Column 7 is connect with the left side of the inlet flange 52 of the turbine case 5；The support 6 includes the first positioning plate and determines higher than first Second positioning plate of position plate so that the at L-shaped structure of the support, the one end of the second soft pawl 22 far from the second positioning sleeve 32 with The connection of first positioning plate, the positioning support column 7 are arranged on the second positioning plate；The support 6 is connect with supporting plate 8, the whirlpool The leading flank of the inlet flange 52 of wheel shell 5 is connect with the supporting plate 8 by the second fastener 9, and second fastener 9 is preferably Fastening nail.

In the present invention, the specific embodiment of eccentric vehicle clamper positioning turbine case is as follows: first turbine case being placed On positioning sleeve 3 (top view that such as Fig. 1 does not install workpieces processing), the left side of the shell ontology to turbine case is close to positioning support After anchor point on column 7, the soft pawl of driving first of driving mechanism (driving mechanism is angling cylinder, is that numerically controlled lathe is included) 21, the second soft pawl 22 and the soft pawl 23 of third move identical distance along the radial direction of oild chuck 1, i.e. the first soft pawl of clamping 21, the second soft pawl 22 and the soft pawl 23 of third, then tight second fastener 9 is propped up, so that the leading flank and second of the shell ontology of turbine case Fastener 9 connects；After to be clamped and positioning turbine case (top view of such as Fig. 2 installation workpieces processing), turbine case can be carried out Metalworking.

In actual production on corresponding soft pawl and positioning sleeve carve a piece number in order to identify, mistake proofing, be also convenient for replacing.

In the present invention, the quantity of positioning sleeve is determined according to the quantity of soft pawl, such as when soft pawl is provided with 4, fixed Position, which is covered, is divided into 4 in processing.

The utility model positions workpiece to be processed by the way that positioning sleeve is arranged, and can be according to different workpieces to be processed Corresponding positioning sleeve is designed, without replacing soft pawl, so that can guarantee it partially when carrying out metalworking to workpiece to be processed The heart can accurate positioning reduce difficulty of processing to guarantee machining accuracy, improve processing quality, save process time；Soft pawl is not It is easy to wear, it is reusable；It is easy to operate, it is easy to use；It can be mass, replace positioning sleeve component convenience, improve efficiency, save About overall cost.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (10)

1. a kind of bias vehicle clamper, for positioning workpiece to be processed, which is characterized in that the bias vehicle clamper includes oild chuck (1), it the soft pawl (2) that is movably disposed in the chuck body of the oild chuck (1) and is removably disposed in described Positioning sleeve (3) on soft pawl (2), the soft pawl (2) include the first soft pawl that can be mobile along the radial direction of oild chuck (1) (21), the second soft pawl (22) and the soft pawl of third (23) offer the first groove, the second soft pawl (22) on the first soft pawl (21) On offer and offer third groove on the soft pawl of the second groove, third (23), the first groove, the second groove and third groove it is interior Side wall is arcuate structure and forms the first circle；

The positioning sleeve (3) includes the first positioning sleeve (31) being arranged on first groove, is arranged in second groove On the second positioning sleeve (32) and the third positioning sleeve (33) that is arranged on the third groove, first positioning sleeve (31) the 4th groove is offered on, the 5th groove is offered on the second positioning sleeve (32), and is offered on third positioning sleeve (33) Six grooves, the 4th groove, the 5th groove and the 6th groove are spliced to form the space for positioning workpiece to be processed, and the 4th groove Inner sidewall, the inner sidewall of the 5th groove and the inner sidewall of the 6th groove be arcuate structure；

The center of circle for the first circle that the inner sidewall of the inner sidewall of first groove, the inner sidewall of the second groove and third groove is formed The center of circle of the second circle formed with the inner sidewall of the 4th groove, the 5th groove and the 6th groove keeps one in the vertical direction Fixed distance.

2. bias vehicle clamper according to claim 1, which is characterized in that the first soft pawl (21) is far from the first positioning sleeve (31) two sides and the third soft pawl (23) of the two sides, the second soft pawl (22) far from the second positioning sleeve (32) Two sides far from third positioning sleeve (33) are provided with limited block (4), and one end of the limited block (4) is square to positioning sleeve (3) To extension.

3. bias vehicle clamper according to claim 1, which is characterized in that workpiece to be processed includes turbine case (5), the whirlpool Wheel shell (5) includes shell ontology (51) and inlet flange (52).

4. bias vehicle clamper according to claim 3, which is characterized in that first positioning sleeve (31) has the first plane And the second plane lower than the first plane, the second positioning sleeve (32) have third plane and the fourth plane lower than third plane, Third positioning sleeve (33) has the 5th plane and the 6th plane lower than the 5th plane, the shell ontology (51) of the turbine case (5) It is arranged in second plane, fourth plane and the 6th plane；

When the first soft pawl (21), the second soft pawl (22) and the soft pawl of third (23) are along the radial direction of oild chuck (1) mobile one After fixed distance, the second diameter of a circle and the turbine case that the inner sidewall of the 4th groove, the 5th groove and the 6th groove is formed Shell body bottom portion circular hole diameter it is equal.

5. bias vehicle clamper according to claim 4, which is characterized in that the first soft pawl (21) has the first upper surface And the second upper surface lower than the first upper surface, the second soft pawl (22) have third upper surface and lower than third upper surfaces 4th upper surface, the soft pawl of third (23) have the 5th upper surface and the 6th upper surface lower than the 5th upper surface；Described First plane of one positioning sleeve (31) is flushed with the first upper surface of the first soft pawl (21), the third plane of the second positioning sleeve (32) It is flushed with the third upper surface of the second soft pawl (22), in the 5th plane of third positioning sleeve (33) and the 5th of the soft pawl of third (23) End face.

6. bias vehicle clamper according to claim 4, which is characterized in that the connection of first plane and the second plane The junction of place, the junction of third plane and fourth plane and the 5th plane and the 6th plane is arc-shaped structure.

7. bias vehicle clamper according to claim 3, which is characterized in that the second soft pawl (22) is far from the second positioning sleeve (32) one end is connect with support (6), and the support (6) passes through the inlet flange of positioning support column (7) and the turbine case (5) (52) left side connection；The support (6) connect with supporting plate (8), the leading flank of the inlet flange (52) of the turbine case (5) It is connect with the supporting plate (8) by the second fastener (9).

8. bias vehicle clamper according to claim 1, which is characterized in that the first soft pawl (21), the second soft pawl (22) Width phase with the width of the soft pawl of third (23) with the first positioning sleeve (31), the second positioning sleeve (32) and third positioning sleeve (33) Together.

9. bias vehicle clamper according to claim 1, which is characterized in that the front end of the first soft pawl (21) and second soft Between the front end of pawl (22), between the front end of the second soft pawl (22) and the front end of the soft pawl of third (23) and the first soft pawl (21) front end and the front end of the soft pawl of third (23) maintain a certain distance.

10. bias vehicle clamper according to claim 1, which is characterized in that the front end of the soft pawl (2) and positioning sleeve (3) Front end be disposed as V-structure.