EP2556897A2 - Pistolet de pulvérisation de couleur doté d'un corps de base - Google Patents

Pistolet de pulvérisation de couleur doté d'un corps de base Download PDF

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Publication number
EP2556897A2
EP2556897A2 EP12007524A EP12007524A EP2556897A2 EP 2556897 A2 EP2556897 A2 EP 2556897A2 EP 12007524 A EP12007524 A EP 12007524A EP 12007524 A EP12007524 A EP 12007524A EP 2556897 A2 EP2556897 A2 EP 2556897A2
Authority
EP
European Patent Office
Prior art keywords
spray gun
farbleiteinrichtung
paint
paint spray
color
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12007524A
Other languages
German (de)
English (en)
Other versions
EP2556897A3 (fr
EP2556897B1 (fr
Inventor
Martin Ruda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hsm Lackiersysteme 1patentverwertungs Ug (haftung
Original Assignee
Individual
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Filing date
Publication date
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Application filed by Individual filed Critical Individual
Priority to PL12007524T priority Critical patent/PL2556897T3/pl
Publication of EP2556897A2 publication Critical patent/EP2556897A2/fr
Publication of EP2556897A3 publication Critical patent/EP2556897A3/fr
Application granted granted Critical
Publication of EP2556897B1 publication Critical patent/EP2556897B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2435—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together by parallel conduits placed one inside the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/14—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts
    • B05B15/18—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts for improving resistance to wear, e.g. inserts or coatings; for indicating wear; for handling or replacing worn parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2478—Gun with a container which, in normal use, is located above the gun
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/01—Spray pistols, discharge devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter

Definitions

  • the invention relates to a paint spray gun with a base body to which a colorable ink guide is detachably arranged for directing a color from a paint inlet of the paint spray gun to a paint outlet of the paint spray gun, wherein the base body and / or attachments of the body with the interchangeable Farbleit responded a pressure medium leading region of Form paint spray gun and the interchangeable Farbleit noise is a sealant, by means of which the pressure medium leading area against the main body and / or the attachments of the body is compressed air-tight sealable.
  • the invention relates to an exchangeable Farbleit observed for attachment to a paint spray gun.
  • the invention relates to an arrangement of a paint spray gun, a replaceable Farbleit issued and a paint spray gun cup.
  • the invention proposes a generic paint spray gun, which is characterized in that the sealing means extends axially by more than one Dichtstoff devismesser with respect to an axial displacement axis of a paint needle.
  • the base body has a main contact area for the exchangeable color guide, which is formed by an outer body surface.
  • the contact area provides on the main body a receiving area, in particular a main investment area, for the interchangeable Farbleit issued, at which the interchangeable Farbleit responded is firmly but releasably secured to the outside of the body.
  • the replaceable Farbleit noise is therefore not introduced, for example, in a hole or in a cavity of the body to thereby be securely attached to the body. Therefore, the Farbleit responded can also quickly and easily attach to the body and take off after use just as quickly and easily.
  • outer body surface describes an outer and substantially outwardly directed surface of the body, which can serve as a particularly well-accessible main investment area for the interchangeable Farbleit Road.
  • the main investment area on the outer body surface is also preferably characterized in that at least one surface provided by it does not face another surface formed by it.
  • the outer body surface is thus not to be equated with a body surface, which is formed for example by an inner surface of a cavity or a bore in the body. Such an inner surface forms an inner body surface.
  • main body describes that part of the paint spray gun which essentially forms the grip part of the paint spray gun, on which a receptacle or the main contact area for the replaceable ink guide is provided in the region of the ink nozzle.
  • the interchangeable Farbleit Vietnamese component is formed as a disposable component, but it can also be designed as a reusable component.
  • the object of the invention is also achieved independently of the other features of the invention of a paint spray gun with a body on which for directing a color from a paint inlet of the paint spray gun to a paint outlet of the paint spray gun a replaceable Farbleit Nurson issued from a paint spray gun with a body on which for directing a color from a paint inlet of the paint spray gun to a paint outlet of the paint spray gun a replaceable Farbleit responded is detachably arranged, and which thereby characterized in that the main body has a main investment area for the exchangeable Farbleit Nur, which is different from a cavity, such as a bore in the base body of the paint spray gun.
  • the interchangeable Farbleit If the main investment area for the interchangeable Farbleit addressed not designed as a cavity, the interchangeable Farbleit responded must not be plugged into the body of a paint spray gun. Thus, the interchangeable Farbleit responded can be attached particularly quickly and easily outside of the body of the paint spray gun and taken off again as quickly.
  • the term "cavity” describes a receiving area, in particular a main investment area, for the exchangeable color guide, which is typically surrounded by an envelope, wherein the envelope can form an annularly closed inner surface of the cavity.
  • the exchangeable Farbleit nails can be inserted substantially only from a main direction and stored on the inner surface of the cavity and so with in the body.
  • a further embodiment provides that the main investment area for the replaceable Farbleit Vietnamese is different from a cavity with a shell. Through the shell of the cavity is only partially accessible. If the main investment area differs from this, the exchangeable Farbleit styles can be attached to the body faster.
  • the main abutment area of the replaceable color guide body has access, the access of the main abutment area being different from an opening of a cavity, the main abutment area or the color guide abutment area is lighter, easier and quicker to access, thereby changeable Farbleit vibration can be made even more uncomplicated.
  • the main investment area for the interchangeable Farbleit worn on an access is different from a closed-edged opening of a cavity behind it.
  • the interchangeable Farbleit styles can be better attached to the body.
  • the access is designed so that the main system area for the replaceable color guide is accessible from more than one direction. So it is not necessary to perform the interchangeable Farbleit issued from a particular direction to the body.
  • an open recess is advantageously provided on the base body, to which the exchangeable color guide device can be fastened quickly.
  • a self-centering can advantageously already be achieved if the main investment area is concave.
  • a main bearing area opening angle of more than 180 ° is provided between two bearing limbs, in contrast to an opening angle of less than 180 °, a main bearing area can be realized in a structurally simple manner with partial contact surfaces pointing away from one another.
  • the ink guide when attached to the main body of the paint spray gun, directly seals the pressure medium-carrying areas of the paint spray gun itself.
  • additional sealing means such as used in the prior art O-rings, superfluous, whereby the construction of such Farbleit stylesen is substantially simplified.
  • a paint spray gun, in which a pressure medium leading area between a body of the paint spray guns and a replaceable mobile Farbleit styles is sealed by means of such O-rings is disclosed in the publication DE 43 02 911 A1 described. Although the paint is kept away from the body of the paint spray gun. However, the structure of the paint spray gun described there is very complex and not practical designed.
  • the Farbleit adopted is a sealant, by means of which the pressure medium leading area against the base body and / or the attachment parts of the body is pressure-free sealable.
  • the term "pressure loss-free" describes that regions in which the ink-conducting device corresponds to the main body and / or the attachment parts of the main body are so dense that no pressure medium can escape from the pressure medium-carrying region.
  • a variant embodiment provides that the ink-guiding device is the only sealing means by means of which the pressure medium-carrying region can be compressed in a compressed air-tight manner relative to the base body and / or the attachment parts of the base body. That a Farbleit shark serves as a sealant for a pressure medium leading portion of the paint spray gun, in particular as a single sealant of the pressure medium leading area, is also not known from the prior art. Not even from the above-mentioned and to be regarded as the closest prior art document DE 43 02 911 A1 , In particular, from the sectional view ( FIG.
  • the cylindrical body 11a of the nozzle 11 is inserted as a Farbleit worn in a paint spray gun body 3.
  • the cylindrical body 11a forms with the paint spray gun body 3, an annular cavity 19a, which is in communication with the compressed air supply line 4 via channels, not shown.
  • the annular cavity 19 a compressed air is provided at the nozzle head.
  • two O-rings r3 and r4 are provided between the cylindrical body 11a and the paint spray gun body. The O-ring r3 serves to seal the annular cavity 19a with respect to the interior of the paint spray gun.
  • the O-ring r4 is provided for airtight completion of the annular cavity 19a to the outside. Without the two O-rings r3 and r4 as sealing means for a pressure medium leading portion of the paint spray gun, it would not be possible to seal the annular cavity 19a.
  • the O-rings r3, r4 described here even complicate the use of a mobile color guide on a paint spray gun and also form a source of error because they are easily damaged as a separate components, can be lost or slip during installation of the cylindrical body 11 a. All these sources of error require that a paint spray gun could not be used properly.
  • the present invention is characterized by sealing means of a pressure medium leading portion of the paint spray gun, which are formed by the Farbleit styles.
  • a preferred embodiment provides that sealing means of a printing medium leading portion of the paint spray gun consist of a material identical to the Farbleit styles.
  • sealing means can be provided in a structurally particularly simple manner.
  • the sealing means between the base body of the paint spray gun and the Farbleit can be arranged in different areas of the corresponding surfaces of the base body of the paint spray gun and the FarbleitINA the paint spray gun.
  • the color guide and the base body are made of different materials. This makes it possible to achieve a particularly high sealing quality.
  • the color guide is made of a softer material than the main body.
  • the softer material of the color guide can adapt to the shape of the body particularly advantageous when inserted into the body of the paint spray gun. Thus, a particularly high sealing security is achieved.
  • the color guide is resistant to most colors, it is advantageous if the color guide is made of a solvent resistant material.
  • Suitable materials for producing the color guide are, for example, polypropylene, polyethylene, POM, HDPE and LDPE. It is understood that the present Farbleit nails can also be made of other than the aforementioned materials, as long as they allow a sufficiently good tightness compared to the main body or against attachments of the body.
  • a particularly preferred embodiment provides that sealing means, in particular for a compressed air leading portion of the paint spray gun having a Farbleit Road. If sealants on the paint spray gun are also used as a color guide, the paint spray gun can be built very compact.
  • At least one color guide is arranged within sealing means for a compressed air leading region of the paint spray gun.
  • Farbleit Entry can be passed within a seal color so from a paint inlet of the paint spray gun to a paint outlet of the paint spray gun without the color comes into contact with the main body of the paint spray gun substantially.
  • Such Farbleit operation can be introduced in many ways in sealants. For example, they can be drilled into the sealant. Or they are designed as an appropriate material recesses in an injection-molded component.
  • the sealing means preferably differ from the base body and are instead compressed air sealingly against this base body.
  • the Farbleit Taiwan ⁇ ество can be made very good sealing in the region of its ink nozzle relative to a paint needle, it is advantageous if the Farbleit spur is made in the paint nozzle of a material particularly suitable for this purpose.
  • this area may consist of an at least pressure and wear-resistant material than the other areas of the Farbleit issued.
  • the color guide may be made for example of a two-component material. Or a harder ink jet area, for example of metal, is injected into the Farbleit responded during their production.
  • the paint spray gun has means for fixing the Farbleit observed on the main body of the paint spray gun, by means of which the Farbleit noise is firmly but releasably fixed to the body.
  • the fixing means comprise a first fixing device, which is arranged in the region of the paint outlet. Since, in particular, air can escape to the pressure-medium-carrying areas between the base body and the color-guiding device in the front region of the paint spray gun, it is advantageous if a fixing device is also provided there.
  • the area of the paint outlet is particularly compact, when the first fixing device consists essentially of a retaining ring, a first Garringfact and another Garring recording.
  • a variant provided for this purpose provides that the first retaining ring receptacle is arranged on the base body. As a result, the retaining ring can be mechanically fastened to the base body.
  • a retaining ring may be used, which is already used in conventional paint spray guns for attaching a color horn in the region of a paint nozzle.
  • first retaining ring receiving and the second retaining ring receiving together form a thread.
  • the fixing means comprise a further fixing device which is arranged in the region of the ink inlet of the ink guide.
  • the further fixing device at the paint inlet the Farbleit nails can additionally fixed but releasably fixed to the present body, so that even higher loads can be taken by a filled paint cup safely on the paint spray gun.
  • the further fixing device in the region of the ink inlet consists essentially of a clamping body with a first clamping element on the color guide and a second clamping element on the main body.
  • such a clamping body can be designed in many ways in order to be suitable to brace the color guide and the body exclusively or additionally with each other.
  • the clamping body is provided in a particularly cost-effective manner if the clamping body comprises a paint spray gun cup. If it is possible to construct a paint spray gun cup such that with this the base body and the Farbleit styles can be clamped together, the clamping body is provided without additional components and thus structurally particularly simple means of the paint spray gun cup.
  • the clamping body can correspond to the color guide
  • the first clamping element comprises an internal thread or an external thread, preferably at the color inlet of the color guide, to which the clamping body can be screwed.
  • the paint spray gun cup can also attach in the usual way to the present paint spray gun, in particular to the Farbleit gear.
  • the second clamping element comprises a support, preferably on the base body of the paint spray gun, on which the clamping body rests. If the clamping body rests on the base body, it is ensured that the paint spray gun cup is gradually braced against the support of the base body when being screwed into the intended thread of the paint inlet. As a result, clamping forces between the body and the FarbleitINA be applied and the Farbleit responded braced against the body.
  • the color guide in particular a color inlet of the color guide, has a depth stop for a paint spray gun cup.
  • the present Farbleit Vietnamese spray gun components such as a retaining ring of a spray head or a spray gun cup, on the body of existing paint spray gun.
  • conventional spray gun components such as a retaining ring of a spray head or a spray gun cup
  • additional connecting bolts can be dispensed with.
  • a further fixing device of the present fixing is, for example structurally simply realized by the Farbleit observed at its end facing the color outlet end having a locking lug, which can be arranged in an undercut and / or groove of the main body latching.
  • the color guide engages by means of the latching nose snapping into the undercut on the main body of the paint spray gun.
  • the Farbleit noise is fixed to the main body but releasably at least pre-fixed.
  • the main body has a main investment area for the replaceable Farbleit issued, wherein the main investment area comprises a substantially planar contact surface.
  • a related embodiment provides that the planar contact surface extends in or parallel to a plane in which an axially displaceable main axis of a paint needle of the paint spray gun is arranged.
  • a curved contact surface is provided cumulatively to the plane contact surface, it is advantageous if the essentially planar contact surface differs from the curved contact surface of the main contact region and the curved contact surface is concave. Due to the curved contact surface is advantageously a pre-centering on the body implemented the paint spray gun, so that when a color guide in the paint spray gun, the Farbleit coupled is already done something.
  • the curved contact surface extends along a semicircle extending radially to the axially displaceable main axis of the paint needle extends.
  • a structurally simple sealing of the pressure medium-carrying areas with respect to the planar and the curved contact surface is ensured when the planar contact surface and the curved contact surface merge into one another in a transitional region which extends along the axially displaceable main axis.
  • an advantageous embodiment provides that the curved contact surface and the planar contact surface jointly provide the system region of the base body.
  • the color guide can be adjusted particularly easily with respect to the main body of the spray gun and in particular advantageously seal against the main body in its side regions.
  • the Farbleit nerve is particularly well performed when inserted into the base body, when the first plane part contact surface and the second plane Generalstrom Chemistry are employed at an angle to each other, which is smaller than 180 °.
  • the smaller the angle is selected the more likely and stronger the color guide is guided through the body.
  • the selected angle In order to introduce the color guide into the present body, however, the selected angle must be equal to or greater than 90 °.
  • the main investment area has an opening through which the color inlet of the Farbleit styles can be arranged.
  • the color guide and the body of the paint spray gun can be made symmetrical. In this way, sealing forces between the color guide and the body can be distributed evenly.
  • the main investment area comprises a receptacle for sealing means of the color guide.
  • sealing means or areas of the color-guiding device engage in receptacles provided on the main body for this purpose. If sealing means are provided on the main body of the paint spray gun, the receptacles corresponding thereto can also be provided on the exchangeable ink guide.
  • the Farbleit nerve and the main body of the paint spray gun can be placed defined to each other, when the main investment area corresponds to a counter investment area of the Farbleit responded.
  • the main investment area of the body and the counter investment area can always be placed to each other reliable, it is advantageous if the counter investment area of the Farbleit adopted is mirror-inverted to the main investment area of the Grundköpers.
  • the object of the invention is also achieved by an exchangeable Farbleit adopted for attaching to a paint spray gun, wherein the interchangeable Farbleit issued characterized by a counter-investment area for receiving a corresponding main investment area of a body of the paint spray gun. It is understood that this counter-investment area abuts particularly well on the main investment area of the base body, so that the tightness of the pressure-medium leading areas is reliably ensured.
  • an embodiment variant provides that the counter contact area of the color guide device has a plane counter-contact surface.
  • the counter investment area has a curved contact surface, in particular if the main investment area described above also comprises a curved contact surface.
  • the curved counter-contact surface of the color guide is convex.
  • the curved counter-contact surface extends along a semicircular arc which extends radially about an axially displaceable main axis of a paint needle. If the curved counter-contact surface extends along the axial displacement axis, a sealing surface can be formed over a large area between the ink-guiding device and the main body of the paint spray gun.
  • the color inlet of the exchangeable color guide device can correspond to an opening in the abutment region of the base body if the color inlet of the exchangeable color guide is arranged on the opposite abutment region, in particular on a curved counter abutment surface of the opposing abutment region.
  • a further embodiment variant provides that the color guide device and a paint spray gun cup form a single disposable component or a disposable component group of the paint spray gun. This ensures that the Farbleit issued and the spray gun cup as a single disposable component are particularly easy to handle.
  • the paint spray gun is characterized by a pin on which a receptacle for a paint spray gun cup, in particular a receptacle for a gravity cup, is provided, wherein the pin with proper assembly of Farbleit recognized on the body within a conventional Color channel of a paint spray gun is arranged.
  • the pin can advantageously be formed by the color inlet of the exchangeable color guide device.
  • the term "conventional color channel” is also understood in the present case to mean a modified color channel of a conventional paint spray gun.
  • This modified color channel one
  • the paint spray gun may be drilled if the diameter of the stud of the paint guide is greater than or equal to the inner diameter of the original paint channel of the paint spray gun.
  • the pin of the Farbleit boots is inserted within the color channel of a paint spray gun and thus arranged therein, the Farbleit responded is particularly reliable and comprehensively fixed to or in the main body of the paint spray gun.
  • the pin of Farbleit Hughes can be structurally particularly simple introduced into the color channel of the paint spray gun when the Farbleit Spur is introduced from below into the paint spray gun or brought from below to a dedicated receptacle on the body and attached. It is understood that not only gravity cup but also suction cup and Lackierstoffzu GmbHschläuche or other Lackierstoffmaschinellougoriss spuren can be attached to the pin.
  • the paint spray gun has a color needle axially displaceable along an axial displacement axis and color needle displacement means axially displaceable along the axial displacement axis, the color needle and the color needle displacement means being connected to one another.
  • An embodiment variant which is advantageous in this context provides a paint needle with a displacement means coupling part, which can be coupled with a paint needle coupling part of axial displacement means.
  • a displacement means coupling part By means of the displacement means coupling part and the color needle coupling part, an exchangeable color needle of an exchangeable color guide device can be coupled quickly and easily with color needle displacement means or uncoupled from color needle displacement means.
  • the color needle displacement means can also be referred to as the rear color needle part and the interchangeable color needle as the front color needle part, so that there is a two-part color needle in the sense of the spray gun described here, wherein the rear color needle part and the front color needle part are coupled together by means of a coupling.
  • the displacement means coupling part and the color needle coupling part correspond structurally particularly simply to one another, it is advantageous if the displacement means coupling part is arranged on a color needle end facing away from the color needle tip.
  • an embodiment variant in this respect provides that the displacement means coupling part of the paint needle has a diameter which is different from a color needle diameter.
  • a gripping of the paint needle is particularly well feasible if the displacement means coupling part has a diameter which is greater than the color needle diameter.
  • the color needle as well as the color guide can be made of a low-cost material, if the color needle is made of a material which is different from the material of the axial displacement means.
  • the paint needle and the displacement means diverse couplings such as quick-release couplings, can be used.
  • a structurally particularly simple and secure coupling is provided when the paint needle, in particular the displacement means coupling part, comprises a magnet or a magnetizable ble range.
  • the displacement means coupling part has a spring for a groove of the color needle coupling part of the axial displacement means coupling part.
  • the present displacement means may be provided in a particularly compact design when an axial displacement center axis and an axial color needle displacement axis are aligned with each other.
  • the axial color needle displacement means are mounted on the main body of the paint spray gun.
  • the axial color needle displacement means are mounted against rotation with respect to the axial displacement axis.
  • the axial color needle displacement means have a coupling device for gripping the paint needle.
  • the term "gripping" particularly encompasses any suitable form-fit and non-positive connection possibilities.
  • a further embodiment provides for a pneumatic muscle by means of which the moving components and / or component groups of the paint spray gun can be driven and / or moved at least in supportive fashion.
  • a pneumatic muscle is advantageous in connection with a paint spray gun without the other features of the present invention, as this advantageously further develops conventional paint spray guns.
  • such a trough can be arranged at the end of the exchangeable color guide device facing away from the color outlet.
  • the object of the invention is also achieved by an arrangement of a paint spray gun, a replaceable Farbleit styles and a paint spray gun cup, wherein the paint spray gun and the interchangeable Farbleit styles are clamped together by means of the paint spray gun cup.
  • paint spray gun 1 has a base body 2, which has a receptacle 4 for a mobile interchangeable Farbleit responded 5 in the front region 3.
  • the replaceable Farbleit responded 5 is brought from below to the Lackierstofffact 4 and finally locked to the main body 2 of the paint spray gun 1.
  • the in the FIGS. 3 and 4 shown interchangeable Farbleit driving 10 has in its upper portion a pin 11 which is inserted into a conventional paint channel (not shown here) of a modified paint spray gun (not shown here).
  • the Farbleit listening 10 has an omega-shaped nose 12 (shown hatched here), by means of which the interchangeable Farbleit driving 10 is engaged in the modified paint spray gun and thus fixed to the modified paint spray gun.
  • the omega-shaped nose 12 is arranged in the front region 13, which is designed as a nozzle 14.
  • the nose 12 consists in the present case of the same material as other areas of the exchangeable Farbleit listening 10.
  • the complete interchangeable Farbleit driving 10 is injected in this embodiment of the material polypropylene.
  • the nose 12 is at the same time a sealing means, by means of which a pressure medium leading area (not shown here) of the modified paint spray gun is sealed.
  • the interchangeable Farbleit stimulating 21 includes a U-shaped downwardly formed nose 22, by means of which the interchangeable Farbleit responded 21 is clicked into the main body 23 of the paint spray gun 20.
  • the interchangeable Farbleit responded 21 is clicked into the main body 23 of the paint spray gun 20.
  • two compressed air channels 24 and 25, which are provided in the base body 23 of the paint spray gun 20.
  • the in the FIGS. 7 and 8 shown mobile Farbleit driving 30 comprises a pin 31 which is introduced in a color channel (not shown here) or a paint inlet of a modified paint spray gun (not shown here).
  • the mobile exchangeable Farbleit driving 30 is already pre-centered and is stably supported on the modified paint spray gun.
  • the replaceable Farbleit prepared 30 includes in the nozzle portion 32 a nose 33 which is U-shaped.
  • the nose 33 is formed substantially in the manner of a downwardly directed U-shaped member.
  • the nose 33 clicks when attaching to the paint spray gun in a recording of a body of the paint spray gun, which was previously modified, and at the same time seals a pressure medium leading portion of the paint spray gun.
  • the in the FIGS. 11 and 12 shown interchangeable Farbleit Vietnamese 50 has a pin 51 which in a color channel (not shown here) of a modified paint spray gun (not shown here) is introduced.
  • the exchangeable Farbleit driving 50 For clicking into a receiving area (not shown here) of a spray gun, the exchangeable Farbleit driving 50 comprises a U-shaped to the side shaped nose 52, which is arranged in the nozzle portion 53 of the interchangeable Farbleit responded 50.
  • the in the FIG. 13 shown conventional paint spray gun 60 is not yet modified in the area of a nozzle holder 61 for the inventive interchangeable Farbleit noise 62.
  • the replaceable color guide 62 is presently not formed to scale. Much more it is a prototype, by means of which the mode of operation should be clarified.
  • the interchangeable Farbleit noise 62 comprises a pin 63 which is inserted in properly attached to the paint spray gun 60 Farbleit Vietnamese 62 in a ink-carrying channel 64 of the paint spray gun 60.
  • a Farbdüse 65 is arranged at the interchangeable Farbleit input 62 .
  • the exchangeable color guide 62 has a nose 66, by means of which the interchangeable Farbleit adopted 62 is finally locked to a modified paint spray gun.
  • an air distributor ring 67 is placed in front of the nozzle 65.
  • the interchangeable Farbleit acquired 62, the paint nozzle 65 and the air distribution ring 67 are locked by means of a ring nut 68 on the modified paint spray gun.
  • the locking means of the ring nut 68 is achieved by the ring nut 68 is screwed onto an external thread 69, which is indicated on the not yet modified spray gun 60, and an external thread 70 of the interchangeable Farbleit Rhein 62. As a result, the modified paint spray gun and the color guide 62 are additionally pressed against each other and thus locked together.
  • the in the FIG. 14 shown paint spray gun 100 has a base 101, which is substantially subdivided into a handle portion 102 and a Farbleit adoptedsability Suite 103.
  • the exchangeable color guide 104 comprises a plastic body 105, which comprises a color nozzle area 106, a color needle area 107 and a color inlet area 108.
  • the ink jet area 106 forms the paint outlet nozzle 106A of the paint spray gun 100.
  • the Farbaustrittdüse 106A is part of the interchangeable Farbleit gear 104 and thus advantageously does not need to be cleaned after use.
  • an axially displaceable paint needle 109 of the paint spray gun 100 is mounted along an axial displacement axis 110 on the exchangeable ink guide 104.
  • the exchangeable Farbleit Vietnamese 104 can be easily replaced with a preassembled paint needle 109, which is also designed here as a disposable component
  • the Farbnade1109 is sufficiently safe stored on the interchangeable Farbleit responded 104 in a color needle 109 as a color needle bearing bush 109A radially enclosing bearing parts.
  • the paint needle 109 In the area of the bearing bush 110, the paint needle 109 a bearing diameter larger than the diameter of the front color needle portion facing the paint needle tip 111.
  • the control of the paint needle 109 in the use of the paint spray gun 100 with respect to an axial displacement along the axial displacement axis 110 is ensured by means of a Farbnadelverlagerungsffens 112, which is mounted in the body 101 of the paint spray gun 100.
  • the Farbnadelverlagerungsffen112 is also moved in a known manner by a finger-trigger mechanism (not shown here for clarity) along the axial displacement axis 110.
  • the ink needle displacement means 112 has a paint needle coupling part 113, which can be coupled to a corresponding displacement means coupling part 114 of the paint needle 109.
  • the displacement means coupling part 114 is formed in this embodiment as a radially encircling rotationally symmetrical elevation at the end of the paint needle 109 opposite the paint needle tip 111, so that it can easily engage the paint needle coupling part 113 of the paint needle displacement means 112 and be "gripped" by it.
  • the Farbnadelverlagerungsstoff112 mounted against rotation on the base 101 and thereby ensures trouble-free insertion of the Farbleit responded 104, moves an upper portion of the Farbnadelkupplungsteils 113 in a provided in the base 101 for this purpose guide groove 115.
  • both the paint needle move 109th and the paint needle displacement means 112 along the axial displacement axis 110.
  • the ink inlet portion 108 is used to attach a spray gun cup or, as shown in this embodiment, for attaching a spray gun cup lid 116 directly to the interchangeable Farbleit Rhein 104.
  • a spray gun cup lid 116 directly to the interchangeable Farbleit Rhein 104.
  • the interchangeable Farbleit Chinese 104 is also drawn by means of the spray gun cup lid 116 to the main body 101 of the paint spray gun 100 zoom and so fixed to this. This is done by the spray gun cup lid 116, while it is screwed into an internal thread 117 of the paint inlet 108 successively provided with a spray gun cup lid 116 depth stop 118 at one provided paragraph 119 of the body 101 is supported.
  • the depth stop 118 on the one hand over-rotation of the mutually corresponding threads of the spray gun cup lid 116 and the Farbleit styles 104 and on the other hand application to high contact forces between the interchangeable Farbleit styles 104 and the base 101 is prevented.
  • the spray gun cup lid 116 is in the present case a clamping body of a fixing device for fixing or clamping the exchangeable Farbleit prepared 104 relative to the main body 101, wherein the internal thread 117 of the spray gun cup 116 is a first clamping element and the shoulder 119 as a support a second clamping element of said fixing device.
  • the fixation of the exchangeable color guide 104 can take place exclusively in the ink nozzle region 106.
  • a retaining ring 120 by means of which on the one hand a Lucasverteilerring 121, a Lsymmetricdüsenring 122 and an air cap 123 on the paint spray gun 100 and on the other hand the interchangeable Farbleit noise 104 on the main body 101 of the paint spray gun 100 are releasably fixed.
  • the air distributor ring 121 and the air nozzle ring 122 are loosely attached to the ink jet area 106 and fixed by means of the retaining ring 120.
  • the air cap 123 is rotatably mounted in the retaining ring 120 by means of a retaining spring, not shown here in detail.
  • a first threaded half 120A is attached to the main body 101 of the paint spray gun 100 and a second threaded half 1208 corresponding to the first threaded half 120A is attached to the exchangeable ink guide 104.
  • the air distributor ring 120 distributes process air fed through the main body 101 so that the process air can be provided on the one hand via the air nozzle ring 122 and on the other hand via the air cap 123 at the paint outlet nozzle 106A.
  • process air guidance within the main body 101 in particular within the grip region 102, and their control by means of finger finger mechanism not explained in detail here, since such by means of bores (not explicitly numbered here) arranged in the main body 101 process air ducts from the prior art are known.
  • a leading to the axial displacement axis 109 concentrically circulating process air leading portion 124 is advantageously formed on the one hand by the base 101 and the other by means of the interchangeable Farbleit gear 104.
  • the process air-guiding region 124 is thus divided into two, with a first half of the process air leading portion 124 of the main body 101 of the paint spray gun 100, in particular of the Farbleit adoptedssuit Scheme 103, and another half of the process air leading portion 124 formed by the interchangeable Farbleit responded 104 of the paint spray gun 100 becomes.
  • the region 125 of the main body 101 which is of particular interest in this context has a hatch which differs from the rest of the main body 101, in order to make it clear in the present case that a special main abutment region 126 (see FIG FIG. 15 ) is provided.
  • the main body portion 125 and the remaining main body 101 of the present paint spray gun 100 are made in one piece in this embodiment. However, they can also be divided into two parts in order to be able to attach, for example, differently designed color guide devices 104 to a single main body 101. For this purpose, only the area 125 having the main system area 126 would then have to be exchanged.
  • the air distributor ring 120 comprises a concentric ring seal 127.
  • the concentric ring seal 127 can be separated from a region of the exchangeable ink guide 104 be formed. Further ring seals, for example, between the air nozzle ring 122 and the air distributor ring 120 or the ink jet area 106 can be provided if necessary to further ensure the tightness. For the sake of clarity, in the present case an explicit representation has been dispensed with, since Sealing areas with such ring seals from the prior art are well known.
  • a receiving groove 128 extending in the main contact area 126 is provided there, ie between the main body 101 and the exchangeable color guide 104 (see also FIG. 15 ), in which, with proper use of the paint spray gun 100 in the present embodiment, a formed by the interchangeable Farbleit noisy 104 seal 129 (see also FIG. 16 ).
  • a receiving groove 128 is provided depending on the shape of the seal 129 can be dispensed with a corresponding with their receiving groove 128. In the present embodiment, however, such a receiving groove 128 is provided.
  • the seal 129 is presently formed by a survey of the replaceable paint spray gun 100.
  • the interchangeable color guide 104 seals the region 124 leading the process air with respect to the main body 101 particularly well and reliably. Since the replaceable Farbleit responded 104 consists of the plastic body 105, it can particularly well with their collection cling to the main body 101 of the paint spray gun 100, whereby the interchangeable Farbleit responded 104 relative to the main body 101 inherently particularly good sealing properties.
  • the seal 129 extends from the direction of the paint exit nozzle 106A on both sides of the ink inlet 108 and parallel to the axial displacement axis 110 until it is disposed behind the ink inlet 108 transverse to the axial displacement axis 110.
  • the seal 129 can also extend transversely to the axial displacement axis 110 in front of the paint inlet 108, ie between the ink inlet 108 and the ink outlet opening 106A, so that on the one hand the space to be sealed is reduced and on the other hand the paint inlet 108 outside the space to be sealed lies.
  • an additional ring seal 108A on the inner wall of the paint inlet 108 could be dispensed with.
  • the ring seal 108A is in this embodiment provided to preclude any loss of compressed air along the paint inlet 108 for safety's sake.
  • the interchangeable Farbleit prepared 104 on the main body 1011ösbaraberden can still be securely and firmly attached
  • the interchangeable Farbleit prepared 104 includes a counter-investment area 130 which is formed mirror-inverted to the contact surface 126 of the main body 101 substantially.
  • the abutment surface 126 has a first planar partial abutment surface 131 and a second partial abutment surface 132, which together form a planar abutment surface of the main abutment region 126.
  • the planar contact surface lies parallel to a plane 133 in which an axially displaceable main axis 110 of a paint needle 109 of the paint spray gun 100 extends. After the presentation of the FIG. 15 this level 133 coincides with the paper plane.
  • a structurally simple pre-centering for the replaceable ink guide 104 is provided on the main body 101.
  • a further and stronger pre-centering for the exchangeable color guide 104 may be provided on the base body 104, if the first plane sectionstrom materials 131 and the second plane Generalstrom materials 132 would be unilaterally out of the plane 133 so that they would be folded out of the paper plane out here.
  • the two partial contact surfaces 131, 132 would be less than 180 ° to each other at an angle (not explicitly shown here). In the present case, however, both planar partial contact surfaces 131, 132 lie in the planes 133, the angle described above having a value of 180 °.
  • the concavely curved contact surface 134 extends along a semicircular arc (not shown here) which radially surrounds the axial displacement axis 110. Consequently On the base body 101, a concave precentering for the exchangeable color-guiding device 104, which runs in the direction of the axial displacement axis 110, is provided in a structurally simple manner.
  • the first planar contact surface 131 merges into the curved contact surface 134 in a first transition region 135 and the second planar contact surface 132 merges into the curved contact surface 134 in a second transition region 136, the two transition regions 135, 136 extending in the direction of the axial displacement axis 110.
  • the counter investment area 130 comprises a first plane Operamenddling substances 137 and a second plane Operaurgigeutical substances 138, between which a convexly curved counter abutment surface 139 is arranged.
  • the first plane partial abutment surface 137 and the second plane partial abutment surface 138 together form the plane opposing abutment surface of the exchangeable color guide 104.
  • the interchangeable Farbleit prepared 104 with its color inlet 108 which projects as a "pin" inclined by the interchangeable Farbleit Vietnamese 104 in the direction of the axial displacement axis 110, can be attached to the main body 101 such that the paint inlet 108 in the body 101 at least a little way projects into the main investment area 126, preferably on the curved contact surface 134, an opening 140.

Landscapes

  • Nozzles (AREA)
EP12007524.7A 2007-02-27 2008-02-26 Pistolet de pulvérisation de couleur doté d'un corps de base Revoked EP2556897B1 (fr)

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Application Number Priority Date Filing Date Title
PL12007524T PL2556897T3 (pl) 2007-02-27 2008-02-26 Pistolet natryskowy do malowania z podstawowym korpusem

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102007009926 2007-02-27
DE102007053855A DE102007053855A1 (de) 2007-02-27 2007-11-09 Farbspritzpistole mit einem Grundkörper, auswechselbare Farbleiteinrichtung und Anordnung aus einer Farbspritzpistole, einer auswechselbaren Farbleiteinrichtung und einem Farbspritzpistolenbecher
EP11006422.7A EP2386360B1 (fr) 2007-02-27 2008-02-26 Pistolet à peinture doté d'un corps de base et d'une conduite de peinture interchangeable
EP08003426A EP1964616B1 (fr) 2007-02-27 2008-02-26 Pistolet de pulvérisation de peinture doté d'un corps de base, tête de peinture interchangeable et installation dotée d'un pistolet de pulvérisation, d'une tête de peinture interchangeable et d'un réservoir de peinture

Related Parent Applications (4)

Application Number Title Priority Date Filing Date
EP08003426.7 Division 2008-02-26
EP11006422.7A Division EP2386360B1 (fr) 2007-02-27 2008-02-26 Pistolet à peinture doté d'un corps de base et d'une conduite de peinture interchangeable
EP08003426A Division EP1964616B1 (fr) 2007-02-27 2008-02-26 Pistolet de pulvérisation de peinture doté d'un corps de base, tête de peinture interchangeable et installation dotée d'un pistolet de pulvérisation, d'une tête de peinture interchangeable et d'un réservoir de peinture
EP11006422.7 Division 2011-08-04

Publications (3)

Publication Number Publication Date
EP2556897A2 true EP2556897A2 (fr) 2013-02-13
EP2556897A3 EP2556897A3 (fr) 2013-04-10
EP2556897B1 EP2556897B1 (fr) 2014-04-09

Family

ID=39284157

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Application Number Title Priority Date Filing Date
EP13001392.3A Revoked EP2617495B1 (fr) 2007-02-27 2008-02-26 Pistolet de pulvérisation de peinture doté d'un corps de base et d'une conduite de peinture interchangeable
EP12007524.7A Revoked EP2556897B1 (fr) 2007-02-27 2008-02-26 Pistolet de pulvérisation de couleur doté d'un corps de base
EP12001302.4A Revoked EP2486985B1 (fr) 2007-02-27 2008-02-26 Pistolet de pulvérisation de peinture doté d'un corps de base et d'une conduite de peinture interchangeable
EP08003426A Active EP1964616B1 (fr) 2007-02-27 2008-02-26 Pistolet de pulvérisation de peinture doté d'un corps de base, tête de peinture interchangeable et installation dotée d'un pistolet de pulvérisation, d'une tête de peinture interchangeable et d'un réservoir de peinture
EP11006422.7A Revoked EP2386360B1 (fr) 2007-02-27 2008-02-26 Pistolet à peinture doté d'un corps de base et d'une conduite de peinture interchangeable

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EP13001392.3A Revoked EP2617495B1 (fr) 2007-02-27 2008-02-26 Pistolet de pulvérisation de peinture doté d'un corps de base et d'une conduite de peinture interchangeable

Family Applications After (3)

Application Number Title Priority Date Filing Date
EP12001302.4A Revoked EP2486985B1 (fr) 2007-02-27 2008-02-26 Pistolet de pulvérisation de peinture doté d'un corps de base et d'une conduite de peinture interchangeable
EP08003426A Active EP1964616B1 (fr) 2007-02-27 2008-02-26 Pistolet de pulvérisation de peinture doté d'un corps de base, tête de peinture interchangeable et installation dotée d'un pistolet de pulvérisation, d'une tête de peinture interchangeable et d'un réservoir de peinture
EP11006422.7A Revoked EP2386360B1 (fr) 2007-02-27 2008-02-26 Pistolet à peinture doté d'un corps de base et d'une conduite de peinture interchangeable

Country Status (5)

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EP (5) EP2617495B1 (fr)
AT (1) ATE552914T1 (fr)
DE (1) DE102007053855A1 (fr)
ES (2) ES2384352T3 (fr)
PL (1) PL2556897T3 (fr)

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Also Published As

Publication number Publication date
EP2617495A3 (fr) 2013-09-11
EP2556897A3 (fr) 2013-04-10
EP2486985A3 (fr) 2013-04-10
EP2617495A2 (fr) 2013-07-24
ATE552914T1 (de) 2012-04-15
EP1964616B1 (fr) 2012-04-11
DE102007053855A1 (de) 2008-09-04
ES2384352T3 (es) 2012-07-04
EP1964616A2 (fr) 2008-09-03
EP2486985B1 (fr) 2014-06-18
EP2386360B1 (fr) 2013-07-31
ES2429500T3 (es) 2013-11-15
EP2386360A1 (fr) 2011-11-16
EP2486985A2 (fr) 2012-08-15
EP2617495B1 (fr) 2014-07-30
EP2556897B1 (fr) 2014-04-09
EP1964616A3 (fr) 2010-04-07
PL2556897T3 (pl) 2014-08-29

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