CN202388363U

CN202388363U - Device used for processing surface of workpiece

Info

Publication number: CN202388363U
Application number: CN2011202637001U
Authority: CN
Inventors: H.格根海默
Original assignee: Otec Praezisionsfinish GmbH
Current assignee: Otec Praezisionsfinish GmbH
Priority date: 2010-07-23
Filing date: 2011-07-25
Publication date: 2012-08-22
Anticipated expiration: 2021-07-25
Also published as: ITMI20110236U1; TR201107136U; DE202010010546U1

Abstract

The utility model relates to a device (1) used for processing the surface of a workpiece through the movement of the workpiece relative to grinding particles and/or polishing particles in a material composed of the grinding particles and/or polishing particles, and in particular relates to a tractor polishing machine. The device is provided with at least one workpiece frame (6) used for clamping the workpiece to be processed and a container (8) used for containing the grinding and/or polishing particles, wherein the workpiece frame (6) and the container (8) can move relative to each other; the container (8) is provided with at least one outlet (10) used for a liquid processing medium; and the outlet is communicated with a pressure fluid source (15), so as to wash the outlet (10) with pressure fluid.

Description

The device that is used for the processing work surface

Technical field

The utility model relates to a kind of through making the workpiece motion of said relatively grinding particle and/or polishing particles and device that surface of the work is processed in the material of being made up of grinding particle and/or polishing particles; Especially form is pull-alongs light polishing machine (Schleppfinishmaschine); Said device has at least one work rest and the container that is used to hold grinding particle and/or polishing particles of being used to clamp workpiece to be processed; Wherein, said work rest and said container can move relative to each other.

Background technology

This device that is used for processing work surface is for example known with the form of so-called pull-alongs light polishing machine.Its operation principle is, workpiece to be processed is imbedded and is arranged in material container, that be made up of grinding and/or polishing particles and makes the relative movement of particles of workpiece, and therefore, relevant ground with grain type, the surface of workpiece is by grinding and/or polishing.The pull-alongs light polishing machine is a kind of special shape of vibrating burnisher (Gleitschleifmaschinen), and wherein, workpiece to be processed for example is suspended on separately on one or more work rests of work piece holder.Work rest usually comprises common rotatable bracket component, and form is the dish that is for example driven through appropriate transmission mechanism rotation by motor basically, and its circumference is provided with a plurality of carriers, is used for the clamping work pieces anchor clamps.If the rotation of the support unit of pull-alongs light polishing machine, work piece holder or its work rest of then being fixed on this support unit scanned a geometric locus.At this, be clamped in workpiece on the work rest and submerge in the process vessel, this process vessel uses the material of being made up of granular grinding particle or polishing particles to fill, and also adds liquid machining medium usually, like water, surfactant etc.Because the relative motion of the relative machining medium of workpiece, the form that realized are the Surface Machining of vibration finishing processing.This pull-alongs light polishing machine is for example open by DE10204267C1 and DE20005361U1.As substituting or replenishing, the container that holds machining medium can move or static workpiece motion s relatively equally, for example moves around its own axis and/or along geometric locus (for example annular trace).

For except the translation of the granular relatively machining medium of workpiece also realization can cause especially the workpiece of effectively grinding or polishing effect to rotatablely move; Known have such work piece holder that is used for the pull-alongs light polishing machine, and its work rest rotatably supports and through be bearing in the axle rotation in the work piece holder with rotating mode.For this reason; Work piece holder for example has the planetary transmission that has central sun gear; This sun gear and one or the engagement of especially a plurality of planetary gear; Said planetary gear itself is connected with the bolster of each work rest again antitorquely, and said work rest is arranged around the circumference of the sun gear of work piece holder dispersedly.Since be clamped in workpiece on the work rest of work piece holder this by translational motion (promptly; Rotation direction along support unit) and rotatablely move (promptly; Axis or axis of workpiece around each work rest) motion formed, comparing pure flat moving motion to realize very uniform processing quality obviously short process time through machining medium.In addition, can be used as what substitute or replenish is that anchor clamps itself correspondingly are fixed on the support unit of pull-alongs light polishing machine with rotating mode.

At this; Grinding particle or polishing particles can be decided according to various attributes, pending workpiece; And for example be that natural origin (for example is derived from organic material; Like walnut shell or cocoanut shell, wood, cherry stone etc.), mineral sources (for example being derived from silicate, oxide etc.) and/or synthetic source (for example being derived from plastics).In addition, as stated, can carry out vibration finishing processing dryly or the processing of especially under interpolation has the situation of liquid machining medium (like water) of additive (like surfactant), wetting.At this; The problem of vibration finishing processing is; Especially, liquid machining medium forming the pollution that machining medium is increased gradually under the situation of the wet processing of often using when existing during in workpiece and grinding particle or polishing particles CONTACT WITH FRICTION; Said pollution not only requires often to change more or less machining medium, and causes the sediment of the adhesion on workpiece, makes workpiece next must be cleaned or even has the inadequate danger of Surface Machining.Pollute on the one hand and can directly cause, but possibly cause that also said grinding particle or polishing particles are that stand to go forward one by one along with the increase of service time, short grained wearing and tearing by grinding particle or polishing particles itself by grinding thing to be processed.If use for example plastic grain (have the grinding medium of imbedding wherein or do not have the grinding medium); Plastic grain is because it can be with the accurate characteristic (like hardness, granular size, grain shape etc.) of adjustment but particularly suitable of simple mode; Therefore in the process of this particle and workpiece CONTACT WITH FRICTION to be processed, understand the plastic components that from particle, come off; For example resinous principle, plastic additive; Like plasticizer etc., said plastic additive can cause on workpiece, forming layer quickly and be difficult to the caking property deposit that has no to remove difficultly.In order to overcome this problem, add various additives to machining medium,, yet showed already that surfactant only can reduce said deposition very limitedly like the surfactant that can buy.

Summary of the invention

Therefore; The utility model technical problem to be solved is; With simple and cheap mode and under the situation of avoiding aforesaid drawbacks at least to a great extent the corresponding device that further expands the said type of design beginning, make that adding liquid machining medium at workpiece wet that pollution can keep as far as possible for a short time under the situation of processing.

According to the utility model; This technical problem is through solve at the device said type of beginning, that be used for the processing work surface as follows, that is, container has at least one outlet that is used for liquid machining medium; This outlet is communicated with pressure fluid source, so that spray outlet with pressure fluid.

Container makes it possible to perhaps completely or partially change liquid machining medium basically together with accumulating in wherein, especially granular pollutant with periodic intervals continuously according to the design structure of the utility model; Wearer like grinding particle and/or polishing particles and workpiece itself to be processed; Mode is that the machining medium that has pollutant is discharged from the outlet of container; Wherein, container can add the fresh machining medium of respective amount certainly.The pressure fluid source that is connected with outlet prevents that at this pollutant from stopping up outlet; Mode be accumulate in the outlet zone, usually also be the particle assembled refunds is in container and also maybe the dissolved particles piece at this under pressure, contamination particle can be discharged from outlet equally afterwards.At this, the spray that outlet is carried out with pressure fluid equally can be periodically to carry out at interval.Under any circumstance, can realize lasting grinding and/or polishing processing, and the downtime of machine can not occur owing to the machining medium of changing and/or cleaning is liquid to workpiece.

In suitable design structure, be designed to, in the bottom of container at least one outlet be set, wherein, at least one outlet is arranged on the middle section of the bottom of container.

Can also be designed at this, container is towards the contraction that is directed downwards of said outlet, so that can discharge granular pollutant reliably.

Pressure source preferably can especially be formed by compressed air source by compressed gas source, though can certainly use the fluid (like water) that is under the pressure to wash outlet in principle.

In a kind of favourable design structure, also be designed to, the outlet of container has screen element, so that grinding particle and/or polishing particles are remained in the container.The mesh width of this screen element should be slightly less than the grinding particle of use respectively and/or the granular size of polishing particles at this; So that can grinding particle and/or polishing particles be remained in the container, and granular pollution can be through said screen element under as far as possible little resistance.Screen element advantageously is arranged in the outlet of container with the mode that can change, so that can clean or after wearing and tearing increase, change with simple mode.

In preferred form of implementation, can be designed as, between the outlet of container and pressure fluid source, at least one valve is being set, so that wash outlet with pressure fluid when needed.Therefore for example can use periodically that the time interval loads outlet with pressure fluid, so that prevent to stop up outlet and therefore make granular pollutant discharge reliably with the liquid machining medium of at least a portion.At this, for example can connect and discharge conduit at the outlet of container, the catheter pressure that is communicated with pressure fluid source imports in this discharge conduit, and this catheter pressure especially can be connected with pressure fluid source or separate with pressure fluid source by means of valve.This valve can be simple stop valve or also can be choke valve for example, so that can regulate the flushing pressure of hope.

According to a kind of enforcement modification simple in structure, can be designed as, valve is formed by especially controlled triple valve, this triple valve or the outlet of container is communicated with the pressure fluid edge, or with the outflow conduit or and the environmental communication of the outlet and the container of container.As replacement scheme, for example can be designed as, valve is formed by especially controlled stop valve, and wherein, the outflow conduit of container is connected between the outlet and stop valve of container, and this outflow conduit is equipped with especially controlled stop valve.Under two kinds of situation; Be connected container outlet the discharge conduit otherwise can be connected with pressure fluid source; With environment or be connected discharge supravasal, is connected from the outflow conduit of container, so that or wash outlet or uncleanly machining medium is discharged from the container with pressure fluid.

Can be designed as according to a kind of expansion design; The discharge conduit of container perhaps flows out conduit and imports in the solid/liquid separator, so that main particulate contaminants for example is transported to waste treatment device (Entsorgung) from the machining medium separation of liquid state and with it.Separator can be the structure type of any conventional and for example form be precipitation equipment, sieve, centrifugal separator etc.

If this solid/liquid separator is set, then especially can on this separator, connect the circulation conduit that imports container, be transmitted back in the container so that will remove the liquid machining medium of granular solids, and therefore reuse.Therefore for example also can under the situation that continues the cyclic process medium, perhaps semi-continuously clean machining medium continuously.

Circulation conduit is equipped with pump worthily, so that the machining medium of cleaning is transmitted back in the container.

Produce and the control flushing pressure down of the valve in the middle of being connected can be according to employed grinding particle and/or polishing particles change in case of necessity by pressure fluid source; Wherein, Usually being proved to be suitable is; Pressure fluid source be created in about 0.5 cling to about 20 the crust, especially about 1 cling to about 10 the crust between flushing pressure.

As start said; As disclosed in forming the pull-alongs light polishing machine of type, can certainly be that work rest is arranged on the work piece holder; This work piece holder can be clamped on the support unit that the turn of device drives, so that work piece holder is for example moved along circuit orbit.In addition; Work piece holder and work rest preferably are clamped on the support unit of device rotationally or are clamped on so-called " dish "; Make another circus movement stack of the circus movement that causes through support unit by work piece holder; Wherein, work rest is arranged with the pivot center of the relative work piece holder of spaced radial in this case worthily.In addition, work rest can be arranged on the work piece holder rotationally, so that also realize being clamped in the rotation of workpiece in grinding and/or polishing processing on the work piece holder.

Description of drawings

The explanation to embodiment draws with reference to accompanying drawing by following for further feature of the utility model and advantage.Shown in the drawings:

Fig. 1 be used for processing work surface, form is the schematic sectional view of a kind of embodiment of the device of pull-alongs light polishing machine;

Fig. 2 is the schematic sectional view of the process vessel of device shown in Figure 1 along the II of partial cross section of Fig. 1, schematically shows the fluid connector of the pressure fluid source that is used for the eluant container outlet;

Fig. 3 is the detailed view of the process vessel of device shown in Figure 1 corresponding to Fig. 2, schematically show the pressure fluid source that is used for the eluant container outlet, with the heteroid fluid coupling of Fig. 2.

The specific embodiment

A kind of form of implementation of pull-alongs light polishing machine 1 has been shown, as known by prior art in Fig. 1.Pull-alongs light polishing machine 1 is equipped with work piece holder 2, and removably to be fixed on pull-alongs light polishing machine 1 mobilizable by means of clamping connector 3 for this work piece holder, is on the rotating support unit 4 at this, just so-called " dish ".Work piece holder 2 is clamped on the support unit at the pivot center 4a of this relative support unit 4 prejudicially, and therefore, work piece holder scanned a geometric locus when support unit 4 rotations.Work piece holder 2 can center on axis 2a at this; As being rotatably mounted on the support unit 4 around its longitudinal axis; This for example can realize that this planetary transmission rotates around it at support unit 4 and causes work piece holder 2 to rotate around it the rotation of axis 2a when axis 4a rotates by means of the planetary transmission that is arranged in the support unit 4.Correspondingly be applicable to other work piece holder (not shown) that is provided with in case of necessity, the said work piece holder pivot center 4a of support unit 4 equally relatively is clamped on the bottom side of support unit 4 prejudicially.The rotary driver of support unit 4 is realized through the motor/transmission device 5 that in Fig. 1, only is shown in dotted line.

Work piece holder 2 for example can be designed for and hold a plurality of workpiece (not shown) that can vertically clamp basically and have a plurality of (current is three) work rest 6 back to bottom side clamping connector 3, in Fig. 1 that has support unit 4 at it for this reason, and being used for removably clamping respectively, a workpiece perhaps has the workpiece support that is used for clamping the one or more workpiece of difference (not illustrating respectively).Work rest 6 is just arranged about its pivot center 2a around the circle distribution of work piece holder 2 prejudicially.For make work rest 6 except translational motion also because the rotation of support unit 4 and work piece holder 2 is rotated motion around its corresponding longitudinal axis 6a, work rest 6 can be bearing on the work piece holder 2 and for example can be rotated by means of the planetary transmission (not shown) that is arranged in the work piece holder 2 again with rotating mode.

In service at pull-alongs light polishing machine 1; Workpiece on the work rest 6 that can be fixed on work piece holder 2 is submerged in the process vessel 8, and this process vessel is filled with the machining medium that do not illustrate in the drawings, that be added with liquid machining medium (like water, surfactant etc.), that form is powder or granular grinding particle and/or polishing particles.Clamp the surface of the workpiece on work rest 6 for fixed processing; The support unit 4 of pull-alongs light polishing machine 1 is rotated by means of motor/transmission device 5, so work piece holder 2 is upward perhaps dragged through the machining medium that comprises in the process vessel by process vessel 8 at the movement locus of confirming (is circular trace at this) linearly.In addition; Be contained in planetary transmission in support unit 4 or the work piece holder 2 and be used to make work piece holder 2 and work rest 6 or be fixed on workpiece on the work rest around the axis rotation of this perpendicular, however the also vertical direction limited angle layout that tilts relatively of said axis.Because the relative motion between workpiece and the material be made up of the grinding particle and/or the polishing particles of machining medium is processed on this surface to workpiece.This relative motion can be alternatively or the motion through process vessel 8 extraly guarantee, as especially guaranteeing through rotation around its medial axis.

In Fig. 2 and Fig. 3 at the II of partial cross section of the bottom 8a that omits the container 8 that pull-alongs light polishing machine shown in Figure 1 has been shown under the situation of support in viewgraph of cross-section.As shown in Figure 2, the zone line of container 8 8a in its bottom is equipped with the outlet 10 of the uncleanly liquid machining medium that is used for especially having wear particle.In an illustrated embodiment; Outlet 10 has down or towards the section 10a of portion of the lateral direction constriction of container 8; This Duan Zaiqi lower end stops with the step 10b of its cross section of constriction; This step is formed for being placed in the bearing of removable screen element 11 in the outlet 10, preferred, so that stop grinding particle and/or the polishing particles that is arranged in container 8.

Substitute flat basically container bottom 8, container bottom for example also can be integrally, be directed downwards the constriction (not shown) like about infundibulate ground towards outlet 10.

The upper reaches at screen element 11 are connected with discharge conduit 12 at outlet 10, and this discharge conduit imports controllable two position three-way valve 13.An end is connected with and flows out conduit 14 on two position three-way valve 13; The other end is connected with the catheter pressure 16 that imports pressure fluid source 15; Thereby make the outlet 10 of container 8 perhaps be communicated with pressure fluid source 15 through catheter pressure 16 through discharging conduit 12 and flowing out conduit 14; So that the outflow direction flushing outlet 10 that for example marks by means of arrow P against the machining mediums of discharging from container 8, pollute with pressure fluid when needed, with periodic interval.Pressure fluid source 15 is for example formed by compressed air source, and this compressed air source is with the for example pressure store compressed air of about 2 crust to 10 crust.In position shown in Figure 2, two position three-way valve 13 is connected outlet 10 through discharging conduit 12 with pressure fluid source 15, make outlet 10 be rinsed.(not shown) in the position relative with it, this two position three-way valve 13 will be discharged conduit 12 and be connected with outflow conduit 14.In addition; Discharge conduit 12 and can be equipped with another valve; For example form is simple stop valve or choke valve (not shown), so that terminate in the position shown in Figure 2 of two position three-way valve by discharging conduit 12 and therefore complete closed outlet 10 and/or in flushing process, will be reduced to the degree of hope by the pressure that pressure fluid source 15 produces.

Discharge conduit 14 and import again in the solid/liquid separator 17 in an illustrated embodiment,, and be transported to treating apparatus through conduit 18 in case of necessity from the liquid machining medium of being discharged by container 8 so that contamination particle is isolated.In solid/liquid separator 18, obtain, form is that the liquid fraction of having removed the machining medium of contaminant particle then can be transmitted back to through the circulation conduit 20 of being furnished with pump 19 in the container 8 once more, therefore liquid machining medium is guided in the loop all the time.

Be at embodiment shown in Fig. 3 and difference embodiment illustrated in fig. 2; Substitute two position three-way valve 13 (Fig. 2) two controlled stop valves 21 are set; 22, wherein, stop valve 21 is arranged between outlet 10 and the pressure fluid source 15 (at this in catheter pressure 16) of container 8; And stop valve 22 is arranged in the outflow conduit 14, and this flows out conduit and between stop valve 21 and outlet 10, imports discharge conduit 12.If stop valve 21 is positioned at open position, and stop valve 22 is positioned at the closed position, then outlet 10 is connected with pressure fluid source 15, so that wash with pressure fluid.If stop valve 21 is positioned at the closed position, and stop valve 22 is positioned at open position, then outlet 10 is communicated with discharge conduit 14, so that uncleanly machining medium is discharged from container 8.If two

stop valves

21,22 are all in the closed position, then can complete closed discharge conduit 12 and so complete closed outlet 10.

Claims

1. one kind through making the workpiece motion of said relatively grinding particle and/or polishing particles and device (1) on processing work surface in the material of being made up of grinding particle and/or polishing particles; Especially form is the pull-alongs light polishing machine; This device (1) has at least one work rest that is used to clamp workpiece to be processed (6) and is used to hold the container (8) of grinding and/or polishing particles, and wherein, said work rest (6) and said container (8) can move relative to each other; It is characterized in that; Said container (8) has at least one outlet that is used for liquid machining medium (10), and this outlet is communicated with pressure fluid source (15), so that wash said outlet (10) with pressure fluid.

2. device as claimed in claim 1 is characterized in that, in the bottom of container (8) (8a) at least one outlet (10) is set.

3. device as claimed in claim 2 is characterized in that, the zone line in the bottom of said container (8) (8a) is provided with at least one outlet (10).

4. like claim 2 or 3 described devices, it is characterized in that said container (8) is towards the constriction that is directed downwards of said outlet (10).

5. according to claim 1 or claim 2 device is characterized in that said pressure fluid source (15) is a compressed gas source, especially compressed air source.

6. according to claim 1 or claim 2 device is characterized in that the outlet (10) of said container (8) has screen element (11), so that said grinding particle and/or polishing particles are remained in the said container (8).

7. device as claimed in claim 6 is characterized in that, said screen element (11) is arranged in the outlet (10) of said container (8) with removable mode.

8. device as claimed in claim 1 is characterized in that, between the outlet (10) of said container (8) and said pressure fluid source (15), at least one valve (13,21) is set, so that wash said outlet (10) with pressure fluid when needed.

9. device as claimed in claim 1 is characterized in that, on the outlet (10) of said container (8), is connected with to discharge conduit (12), and the catheter pressure (16) that is communicated with said pressure fluid source (15) imports in the said discharge conduit.

10. like claim 8 or 9 described devices; It is characterized in that; Said valve (13; 21) form by especially controlled, three-position valve (13), this three-position valve or the outlet (10) of container (8) is communicated with pressure fluid source (15), or with the outflow conduit (14) or and the environmental communication of outlet (10) with the container (8) of container (8).

11. like claim 8 or 9 described devices; It is characterized in that; Said valve (13,21) is formed by especially controlled stop valve (21), wherein; Between the outlet (10) of said container (8) and said stop valve (21), be connected with the outflow conduit (14) of container (8), this outflow conduit is equipped with especially controlled stop valve (22).

12. device as claimed in claim 9 is characterized in that, the discharge conduit (12) of said container (8) imports in the solid/liquid separator (17).

13. device as claimed in claim 11 is characterized in that, the said outflow conduit (14) of said container (8) imports in the solid/liquid separator (17).

14. like claim 12 or 13 described devices; It is characterized in that; On said solid/liquid separator (17), be connected with the circulation conduit (20) that imports said container (8), be transmitted back in the said container (8) so that will remove the liquid machining medium of granular solids.

15. device as claimed in claim 14 is characterized in that, said circulation conduit (20) is equipped with pump (19).

16. device according to claim 1 or claim 2 is characterized in that, said pressure fluid source (15) be created in 0.5 cling to 20 the crust between, especially 1 cling to 10 the crust between flushing pressure.

17. device according to claim 1 or claim 2 is characterized in that, said work rest (6) is arranged on the work piece holder (2), and this work piece holder can be clamped on the support unit (4) that the turn of said device (1) drives.

18. device as claimed in claim 17 is characterized in that, said work piece holder (2) is arranged on the said support unit (4) with rotating mode.

19. device as claimed in claim 17 is characterized in that, said work rest (6) is arranged on the said work piece holder (2) with rotating mode.