CN207710616U

CN207710616U - The accurate straight-putting unit of medical device processing

Info

Publication number: CN207710616U
Application number: CN201721774446.5U
Authority: CN
Inventors: 孙念杰; 蒋涛; 盛义; 顾建伟
Original assignee: Suzhou Elite Pml Precision Mechanism Ltd
Current assignee: Suzhou Elite Pml Precision Mechanism Ltd
Priority date: 2017-12-18
Filing date: 2017-12-18
Publication date: 2018-08-10
Anticipated expiration: 2027-12-18

Abstract

The utility model discloses the accurate straight-putting unit of medical device processing, including bearing, the mounting hole for limiting workpiece is offered on bearing, supporting block is additionally provided on bearing, via is offered in supporting block, a drive link is reciprocally telescopically provided in via, the driving device of its reciprocating movement of one end connection driving of drive link, its other end extends to outside via and is connected with the jacking block of the top face positioned at bearing, there are two contact boss for the first-class high setting of front end face of jacking block, contact boss can with the plane contact of the workpiece in mounting hole and the opposite mounting hole rotation of workpiece is driven to ajust.The utility model makes workpiece rotate by ajusting structure, and by ajusting the position relationship between structure and workpiece, realize ajusting for workpiece, accuracy when to advantageously ensure that workpiece is placed, it can ensure the consistency for repeating to place simultaneously, to improve the accuracy and validity of following process, processing precision of products and consistency are advantageously ensured that.

Description

The accurate straight-putting unit of medical device processing

Technical field

The utility model is related to medical instrument Precision Machining fields, especially medical device processing precision straight-putting unit.

Background technology

To including at least attached structure shown in FIG. 1 medical device or other parts be processed when, it is necessary to make workpiece The fixed reliability of clamping is ajusted and kept, just can ensure that the precision of following process, but existing fixture is without this true Determine the structure whether workpiece is ajusted, staff when placing workpiece completely by rule of thumb and field observation determines whether to put standard Really, precision can not ensure, also, can not also ensure to repeat when processing, the consistency placed per subjob, so as to cause defect rate Increase, the consistency of product reduces.

Meanwhile when carrying out axis region and fixing, conventional axis class binding clasp, by the lateral wall of bolt etc. and workpiece against It compresses, so that workpiece is fixed, the fixing of this fixed form is not high, and since the contact area of bolt and workpiece surface is small, makes Stress is concentrated at workpiece surface, easily causes external lesional.

Utility model content

The purpose of this utility model is exactly to provide medical device processing to solve the above-mentioned problems in the prior art With accurate straight-putting unit.

The purpose of this utility model is achieved through the following technical solutions：

Medical device, which is processed, uses accurate straight-putting unit, including bearing, and the installation for limiting workpiece is offered on the bearing Hole is additionally provided with supporting block on the bearing, via is offered in the supporting block, is reciprocally telescopically arranged in the via There are a drive link, the driving device of its reciprocating movement of one end connection driving of the drive link, the other end to extend to the mistake Outside hole and it is connected with the jacking block of the top face positioned at the bearing, there are two contacts for the first-class high setting of front end face of the jacking block Boss, the contact boss can contact with the side plane of the workpiece in mounting hole and drive the opposite mounting hole of workpiece from switch Just.

Preferably, the driving device includes the transfer block being connect with the supporting block, be provided in the transfer block with The coaxial driving screw hole of the via, the driving screw hole are spirally connected an actuator, the actuator through the driving screw hole simultaneously It is connected to the drive link.

Preferably, one end that the drive link is connect with the actuator has convex shape buckling groove, the actuator Corresponding end is rotationally connected in the convex shape card slot.

Preferably, it is additionally provided on the bearing for the workpiece in state of ajusting in the mounting hole to be clamped Fixed special fixture.

Preferably, the special fixture includes that the elastic clip that is set in the mounting hole is fixed, and the elastic clip is fixed Ontology have for limiting workpiece and the central through hole coaxial with the mounting hole, the elastic clip is fixed to pass through local deformation Face is carried out with the workpiece in the central through hole and contacts holding, and the special fixture further includes that the driving elastic clip is fixed The driving mechanism of local deformation.

Preferably, deformations are formed on the side wall of the ontology, the side of the deformations is connect with the side wall, Other three side keeps gap with the side wall.

Preferably, also set up on the side wall of the ontology there are two it is coaxial and with the matched location hole of through-hole on workpiece, The vertical and intersectant centerline of the center line of two location holes and the central through hole and one of location hole and the shape The free end portion in change portion overlaps, and the fixing threaded hole coaxial with two location holes is provided on the bearing.

Preferably, one group is provided on the bearing keeps the elastic clip being located in the mounting hole fixed for through-hole bolt Fixed threaded hole, the location dislocation of the position of the threaded hole and the deformations.

Preferably, the driving mechanism include on the side wall and supporting block of the bearing the coaxial and position that opens up respectively with It the corresponding bolt apertures of the deformations and is spirally connected with two bolt apertures and them can be run through and abut to the deformations Lateral wall bolt.

Preferably, the driving mechanism include on the side wall and supporting block of the bearing the coaxial and position that opens up respectively with The corresponding through-hole of the deformations and through the through-hole and abut to the lateral walls of the deformations by power plant driving Push rod.

The advantages of technical solutions of the utility model, is mainly reflected in：

The deft design of the utility model, simple in structure, ajust structure by setting makes its rotation to workpiece application thrust, And by ajusting the position relationship between structure and workpiece, ajusting for workpiece is realized, when to advantageously ensure that workpiece is placed Accuracy, while can ensure that the consistency for repeating to place is conducive to protect to improve the accuracy and validity of following process Demonstrate,prove processing precision of products and consistency.

Since driving device and drive link is flexible connection, it is convenient for detachable maintaining, is conducive to the maintenance of equipment, Lower equipment cost.

The elastic clip of the utility model is fixed to carry out locking in such a way that face contacts by workpiece, is directly used relative to conventional Bolt, against fixed mode, has the contact area of bigger so as to ensure fixed fixing and validity with workpiece, Be conducive to improve machining accuracy, while being conducive to protect workpiece, avoiding workpiece side wall stress from concentrating on certain point causes Workpiece damage advantageously ensures that processing quality, reduces defect ware and occurs.

It is provided with plane contact area in deformations, bolt can be conducive to and deformations keep reliable and contradict, avoided The lateral wall of deformations is caused to damage.

By bolt against flexible connection form it is fixed to fix elastic clip, be conducive to be assembled and repaired replacement, Reduce equipment cost.

Elastic clip is fixed and bearing on be provided with pore structure with work piece match, can be effective by bolt, pin etc. Prevent the axial movement of workpiece, while limiting the placing direction of workpiece, realize repeated clamping when, clamping workpiece position it is consistent Property, improve machining accuracy.

Description of the drawings

Fig. 1 is the partial structural diagram of workpiece；

Fig. 2 is the exploded view of the utility model；

Fig. 3 is the bearing stereogram of the utility model；

Fig. 4 is the bearing and the fixed assembled state stereogram of elastic clip of the utility model；

Fig. 5 is the first fixed view stereo figure of the elastic clip of the utility model；

Fig. 6 is the second fixed view stereo figure of the elastic clip of the utility model.

Specific implementation mode

The purpose of this utility model, advantage and feature will carry out figure by the non-limitative illustration of preferred embodiment below Show and explains.These embodiments are only the prominent examples using technical solutions of the utility model, all to take equivalent replacement or wait Effect transformation and formed technical solution, all fall within the requires of the utility model protection within the scope of.

The utility model discloses the accurate straight-putting unit of medical device processing, shown as shown in attached drawing 2, attached drawing 3, including Bearing 7 offers the mounting hole 71 for limiting workpiece, the center line of the mounting hole 71 and the bearing 7 on the bearing Top surface 75 it is parallel with bottom surface, be additionally provided with supporting block 8 on the bearing 7, the supporting block 8 is whole to be rendered as zigzag, thereon Via 9 is offered, the via 9 is located at the top of the bearing top surface 75, is inside reciprocally telescopically provided with a drive link 20, the driving device 30 of its reciprocating movement of one end connection driving of the drive link 20, the other end extends to outside the via And it is connected with the jacking block 40 above the top surface of the bearing 7 75, the width of the jacking block 40 is more than the width of the supporting block 8 Degree, there are two contact boss 50, the contact boss 50 is cylindric, institute for the contour setting in both ends of the front end face of the jacking block 40 Stating contact boss 50 can contact with the side plane of the workpiece in mounting hole 71 and drive the opposite mounting hole 71 of workpiece from switch Just.

In a preferred embodiment, as shown in Fig. 2, the driving device 30 includes being connect with the supporting block 8 Transfer block 301 is provided with the driving screw hole 302 coaxial with the via 9,302 spiral shell of driving screw hole in the transfer block 301 An actuator 303 is connect, the actuator 303 is through the driving screw hole 302 and is connected to the drive link 20；Also, it is described One end that drive link 20 is connect with the actuator 303 has convex shape buckling groove 201, and the corresponding end of the actuator 303 can It is rotationally connected in the convex shape card slot 201.

In another optional embodiment, the driving device 30 can also be other feasible structures, a cylinder in this way （It is not shown in figure）, the cylinder connects one end of the drive link 20, and drives its reciprocating movement.

After workpiece is ajusted, it is also necessary to which workpiece, which is fixed, can just be processed, corresponding, also be set on the bearing 7 It is equipped with for the special fixture ajusted the workpiece of state and gripped will to be in the mounting hole 71, as shown in Fig. 4, The special fixture includes that the elastic clip fixed 10 being set in the mounting hole 71 and the driving elastic clip fixed 10 become Shape simultaneously carries out the driving mechanism that face contacts holding with the workpiece in the central through hole 2.

Specifically, as shown in attached drawing 5, attached drawing 6, the elastic clip fixed 10 includes ontology 1, the entirety of the ontology 1 Outer profile is the shape that the coaxial setting of cylinder of two different-diameters, different height is formed, naturally it is also possible to be that other are feasible Shape, such as cuboid, square are not limited thereto.

The ontology 1 has the central through hole 2 for placing and limiting workpiece, and the central through hole 2 can be according to workpiece Shape be designed, such as its cross section is round, ellipse or arbitrary polygon, as shown in Fig. 5, the central through hole 2 cross section includes circle and the protrusion area positioned at circle opposite sides, the design of such shape, can assist carrying out work The determination of the placement status of part.

It is formed with to contact with the outside wall surface of workpiece in central through hole 2 and apply workpiece on the side wall 3 of the ontology 1 and press The deformations 4 of power, as shown in Fig. 5, the deformations 4 are arc, and plane contact area is formed on lateral wall（Do not show in figure Go out）, as shown in attached drawing 5, attached drawing 6, the side of the deformations 4 is connect with the side wall 3, other three side of the deformations 4 Gap 5 is kept with the side wall 3, to which when the lateral wall of the deformations 4 is under pressure, the deformations 4 can be with it Join domain with the side wall 3 is that support is bent to 2 direction of the central through hole.

Meanwhile as shown in attached drawing 5, attached drawing 6, also set up on the side wall 3 there are two it is coaxial and with the through-hole on workpiece The location hole 6 matched, two location holes 6 are connected to the central through hole 2, and the line of their the hole heart and the center are logical The vertical and intersectant centerline in hole 2 and one of location hole 6 and the free end 41 of the deformations 4 partially overlap.

Specifically the elastic clip fixed 10 is fixed in the circular mounting hole 71, is by institute as shown in Fig. 4 State and be provided with one group of threaded hole 72 on bearing 7, the threaded hole 72 and 71 vertical connection of the mounting hole, and their position with The location dislocation of the deformations 4 of the elastic clip fixed 10, and threaded hole 72 described in through-hole bolt-through and it is resisted against the bullet On the lateral wall of property gripping sleeve 10.

In one embodiment, as shown in attached drawing 2, attached drawing 4, the driving mechanism includes side wall and the support of the bearing 7 On block 8 the coaxial position opened up bolt apertures 73 corresponding with the plane contact area in the deformations 4 and with two spiral shells It connects hole 73 to be spirally connected and two bolt apertures 73 can be run through and abut to the bolt of the lateral wall of the deformations 4, further also set up There are an actuating unit for driving the bolt rotation, such as motor, specific actuating unit can be various feasible configurations or equipment, This is not construed as limiting.

In another embodiment, the driving mechanism can also be other structures, as described in it includes the side wall of bearing 7 and It the coaxial position opened up through-hole corresponding with the plane contact area in the deformations 4 and is driven by power plant in supporting block 8 The push rod of the dynamic lateral wall for running through two through-holes and abutting to the deformations 4（It is not shown in figure）.

Further, as shown in Fig. 4, it is provided on the bearing 7 and two location holes 6 of the ontology 1 are coaxial consolidates Screw hole 74 is determined, so as to realize the further limit of workpiece by two location holes 6 of bolt-through and fixing threaded hole 74 Position, and two fixing threaded holes 74 are located in the opposite two side walls of the bearing 7.

When the binding clasp of operational version, workpiece is placed in the central through hole 2 and is limited, at this point, the side plane of workpiece with Two front end face localized contacts for contacting boss 50 do not contact, and workpiece is in and does not ajust state, is driven by driving device The dynamic drive link 20 is mobile to the workpiece direction and contact boss 50 is made to be contacted with the side plane of workpiece, with drive link 20 Lasting stretching, the contact boss 50 applies thrust to the workpiece makes its relatively described central through hole rotation, and when two When the front end face of a contact boss 50 is bonded with the same side plane of workpiece, the drive link 20 can not continue to protract, Workpiece is ajusted, at this point, applying pressure to the fixed deformations of the elastic clip by driving mechanism, it is made to be moved to workpiece direction And its inner wall is bonded with workpiece lateral wall realizes locking.

Still there are many embodiment, all technologies formed using equivalents or equivalent transformation for the utility model Scheme is all fallen within the scope of protection of the utility model.

Claims

1. the accurate straight-putting unit of medical device processing, it is characterised in that：Including bearing（7）, offer for limiting on the bearing The mounting hole of position workpiece（71）, the bearing（7）On be additionally provided with supporting block（8）, the supporting block（8）On offer via （9）, the via（9）Inside reciprocally telescopically it is provided with a drive link（20）, the drive link（20）One end connection driving Its driving device moved back and forth（30）, it is outer and be connected with positioned at the bearing that the other end extends to the via（7）Top Face（75）The jacking block of top（40）, the jacking block（40）The first-class high setting of front end face there are two contact boss（50）, described to connect Touch boss（50）Can with positioned at mounting hole（71）The side plane of interior workpiece contacts and drives workpiece with respect to mounting hole（71）Rotation It ajusts.

2. the accurate straight-putting unit of medical device processing according to claim 1, it is characterised in that：The driving device（30） Including with the supporting block（8）The transfer block of connection（301）, the transfer block（301）On be provided with and the via（9）It is coaxial Driving screw hole（302）, the driving screw hole（302）Be spirally connected an actuator（303）, the actuator（303）Through the drive Dynamic screw hole（302）And it is connected to the drive link（20）.

3. the accurate straight-putting unit of medical device processing according to claim 2, it is characterised in that：The drive link（20）With The actuator（303）One end of connection has convex shape buckling groove（201）, the actuator（303）Corresponding end it is rotatable Ground is connected in the convex shape buckling groove（201）In.

4. according to the accurate straight-putting unit of any medical device processing of claim 1-3, it is characterised in that：The bearing （7）On be additionally provided with for by the mounting hole（71）In in ajusting the special fixture that the workpiece of state is gripped.

5. the accurate straight-putting unit of medical device processing according to claim 4, it is characterised in that：The special fixture includes It is set to the mounting hole（71）Interior elastic clip is fixed（10）, the elastic clip is fixed（10）Ontology（1）With for limiting Position workpiece and with the mounting hole（71）Coaxial central through hole（2）, the elastic clip is fixed（10）Pass through local deformation and position In the central through hole（2）In workpiece carry out face contact and hold tightly, the special fixture further includes that the driving elastic clip is fixed （10）The driving mechanism of local deformation.

6. the accurate straight-putting unit of medical device processing according to claim 5, it is characterised in that：The ontology（1）Side Wall（3）On be formed with deformations（4）, the deformations（4）Side and the side wall（3）Connection, in addition three sides with it is described Side wall（3）Keep gap（5）.

7. the accurate straight-putting unit of medical device processing according to claim 6, it is characterised in that：The ontology（1）Side Wall（3）On also set up there are two it is coaxial and with the matched location hole of through-hole on workpiece（6）, two location holes（6）In Heart line and the central through hole（2）Vertical and intersectant centerline and one of location hole（6）With the deformations（4）Freedom End（41）It partially overlaps, the bearing（7）On be provided with and two location holes（6）Coaxial fixing threaded hole（74）.

8. the accurate straight-putting unit of medical device processing according to claim 6, it is characterised in that：The bearing（7）On set Being equipped with one group makes to be located at the mounting hole for through-hole bolt（71）In elastic clip it is fixed（10）Fixed threaded hole（72）, institute State threaded hole（72）Position and the deformations（4）Location dislocation.

9. the accurate straight-putting unit of medical device processing according to claim 6, it is characterised in that：The driving mechanism includes The bearing（7）Side wall and supporting block（8）The upper coaxial and position opened up respectively and the deformations（4）Corresponding bolt apertures （73）And with two bolt apertures（73）It is spirally connected and them can be run through and abut to the deformations（4）Lateral wall spiral shell Bolt.

10. the accurate straight-putting unit of medical device processing according to claim 6, it is characterised in that：The driving mechanism packet Include the bearing（7）Side wall and supporting block（8）The upper coaxial and position opened up respectively and the deformations（4）Corresponding through-hole And through two through-holes and abut to the deformations by power plant driving（4）Lateral wall push rod.