DE1652846C - Device for sucking molten solder from soldered connections - Google Patents

Description

2 Device according to claim 1. thereby ge damage.

know / eiclinei. there is also a rod (11) in the piston (8) to avoid the risk of damage

limited .xial movably arranged on her one already known device of this type

front I nd with a }. ι Extension (14) verse (German) utility model 1 945 047) a

hcn and un its rear end (21) with your lower part of the cylinder surrounding, forward bcwep-

vor.leren linde the reder (1 · ») is connected and 30 bare sleeves are provided, by means of which the piston in

dall the pressure member (15) and the diehting member is moved to its front, locked position. To

(16) / wipe the extension (14) and the front one the sleeve has been pushed forward by hand

whose end face of the piston (8) are arranged. is until they are about drivers the piston up to be in.

3. The device according to claim 2, has moved the locked position, it is under the active cmi / gauge, that the front end of the rod 35 kung a relatively weak teder in its rear (II) pushed back with a rest position in the bore of the suction nozzle. If the piston then (2. 6) insertable extension (12) is provided. is unlocked so that he is under the action of a

4. Apparatus according to claim 2 or 3, because the stronger spring is moved back, it moves through it characterized in that the piston (8) a half no part of the device outside the Zylir.-anterior axial bore (9) in which the rod (II) 40 ders.

is arranged, and a rear axial bore When sucking out solder, it comes down to essential

(10), which the latter goes much further than to the fact that a strong vacuum is generated, wcldie The front hole | 9) is connected to the soldering tin into the interior of the suction device stands and tears the front part of the spring (19). The solder that has been carried away beats itself records. v5 also on the inner wall of the cylinder and

5. The device according to claim 4, thereby damaged, as experience shows, over time indicates that the rear end of the rod is the piston seal, so that the vacuum over time

(11) protrudes into the rear hole (10) and becomes smaller. One is therefore with the well-known Vorein Spring fastening piece (21) carries, on which the directions are forced from the beginning of the cylinder front end of the spring (19) is attached. 50 larger than in and of itself necessary to make it too

6. Device according to one of claims 2 to after prolonged use nn-b a proper S, characterized in that the rod (11) to ensure function. The object of the invention is rotatably arranged in the piston (8) that it is to create an improvement here.
The end cap (20) is connected to the cylinder (1) by a screw connection in a device that is initially indicated and that the 55 type, this object is achieved in that at the rear end of the spring (19) on the end cap-front end an elastic seal (20) is attached to the piston. processing member and a relative to the piston axially

7. Device according to one of the preceding wegbaren pressure member are provided and that the Claims, characterized in that one on the spring is connected to the pressure member in this way Piston (8) attached actuator (26, 27) 60 is that it rxial against this the sealing member protrudes laterally from the cylinder (I) and in the piston presses it radially against the inner surface Expand cylinder in a longitudinal direction of the cylinder.

Slot (24) is guided and that at the front by the solution according to the invention is obtained in At the end of the slot (24) a lateral recess - very simply an automatic radial recess (25) is provided in which the actuation 65 elongation of the piston seal during the suction stroke member is lockable. which provides a secure seal even after a long period of use and thus a good vacuum and a safe function result, so that you can no longer

if

SicTacm retaining piece 18

^ Α ^ Bores 9 and 10 and the through ^ ebewen ^ ^ _{dreWjares B fe} _

deten shoulder ^ tragi : W ws _{tension spring} 19 with the

^ Χ Ed the Zugfe

is forced to oversize the cylinder "TrTeiner preferred embodiment of the embodiment

the connection of the spring with the pressure

member and the piston thereby achieved UaB a

Rod in the grooves limited axially movable angeord- ^ _{tension spring}

net, \ n its front end with an extension β ^ Χ rear end of the tension spring

and at its lower end with the front rod U ^^^ ". Hcap 20 connected, which in

ren end of the spring is connected and that the ^ »^" ^ de zSünder ». 1 is screwed down.

Pressure member and the sealing member between the er- 10 the f ^ f. ^^ "uVwischen the snap ring 14

Extension and the front end face of the piston The ^ι * Φ ™haben £ §; _{18 [st} slightly larger than the ad-

are arranged. Preferably the front end and the V ™ * ^s ™ £ £ _{hahca 1S and i6} , the Boh-

this rod with dnem in the bore of the suctioned length of the ^ cn ^. ^ ₂ l so that

nozzle insertable extension provided. ? " ^g c» ηIf 11 a delineated axial movement

In order to save space, the rod 11 in this 15 is a Degreru

Advantageous embodiment, when the piston traveled a ** "" · _{hintercn Fm} <- is the Kolbenkorp .r-8 forward axial bore in which the rod arranged close to sow ""_{ver; before} -> in which a guide is, and a rear axial bore a-fweis., which ^^ "S" is The rear part of the cylinder 1, the latter is much wider than the front bore, ring 23 emgepam '"·. _h running Schill? with this is in connection and the front part ao is nut ^e ' ^ne _n ^m '"^" Jf "or the end of a side of the spring receives. * ·«

Further advantages emerge from the following description of an exemplary embodiment for the device according to the invention in conjunction with the drawing. It shows

Fig. 1 is a perspective view of the device, wherein the piston is pushed to the front position,.

Fig. 2 a longitudinal section through the device, Fig. 3 a part n-.iJ.i in the longitudinal section of the KoI-30 see bens, the sealing member free from the axially compressive Force is, and

F i g. 4 one of the F i g. 3 similar partial views, wöbe. D ^g ichtungsglied by the force of the tension spring dükt t

> 5 days in oen

Pin piston, "dcr in

das Dichtungsg FuJ jgJ

axially zi is pressed. 35 duich \ .erscnic

According to the drawing, the device has a gung gl f't ^ l
tubular cylinder 1, in the front of which d Bt

The end of a nozzle 2 is attached. The nozzle is provided with a through hole 3, the rear part of which is widened, so that a shoulder is formed 40. A flange 5 of a uüseninnenrohres from 6 ^ ^dl plastic such. B. Mytetrafluorathan, is in the extended part 4 Gegc .. the shoulder by means of a Ge-Windingopfens? clamped around there. Inside shower

pipe set. . .

A movable piston in the cylinder 1 has a

Piston body 8, the rrit a front, relatively

narrow hole 9 and a rear, more fit drilling

tion 10 has passed. In the front hole 9 is

a rod 11 slidably arranged, the one

forward thinner extension 12 aufwe.st

which fits into the bore of the nozzle male tube 6

_n ^ Jf orderem ine lateral

* · H "." Dm is the piston in its front recess in L _Bes wHten position Festge-F ig. 1 and L represent "fj" _{body s is} with a Be ^ ¹ f ^^^^ Ä from the piston body * ^e ^ ^ne ^ _nindurcbge ht and from a ^ ghhte 24 ^ ^ _{n and liilt one}

^ol * "* ° ^ _{r K} ⁸ _uge | 27 provided curves beteth to reduce the friction between ^" ^ "^ and the edges of the ^ ^ ^ _{Rjng M from}

with low coefficient of friction

rotatable bebsüg. _{becomes the} device

FuJ «nenLjgJ.gM ^ ^ _d provision and insertion

gg g ft ^ l ^ L in the lateral recess, it _{makes the actuation energy so that the}

25 des bcfi Λ rt »^ s ** ^^ _{ ^ _

G. ^ _{You can do it} now

i " _from the melted

_{and wen} n the actuator

^ _wjrd ^^ _d , _e

^ B »8 J _{backwards so that}

* 010 _d ^. ^ _Drawn

Train spring ^

⁴⁵ .

w.rd _Bohrun " _the nozzle remaining soldering

About w ^ * J * J ™ _{extension 12 of the} rod-Il te be chen _major η _{VQM moves}

completely made of d- * nozzle drilling ° itliche recess 25 des

so that the piston _{moves another g out}

1 sheet of drawings

Claims (1)

The invention relates to a device for reducing patent claims: JjJ yon geJhmoJzencm solder from soldered connection 1. Device for sucking off melted bonds, with one at its front end zenem * Lot of soldered connections, a cylinder provided with a suction nozzle, a one at its front end that can be reciprocated with a cylinder and with its Zylin & jr, a pipe that is in tight contact in this inner surface! Cylinder reciprocable and with its ben and one between the binter end of the cylinder Inner surface in tight contact with Jinder and the piston provided spring, against Piston and one between the rear end of the pistons' action up to a front, of the cylinder and the piston provided Fe- io locked position and under their action the piston the. against the action of the piston up to one after release of the tension from the front position front, locked position and under the WIR lung "oh back is movable to the suction nozzle m kung of the Ko.ben after releasing the lock to generate a suction. the front position can be moved backwards In a known device of this type in order to generate suction in the suction nozzle, d a - 15 the forward movement of the piston takes place by characterized by the fact that on the front action one attached to the piston, is different from this «. . I-end d «. Piston (8) a resilient seal extending backwards and out of the cylinder hc member (16) and a rod projecting axially with respect to the piston. This rod makes it s; · ¹ . ak- Eghurcs pressure member (15) are provided and rig, the device under limited space daL! handle the spring (19) with the pressure ao nisscn / u, since the length of the device member (15) is connected. ά · Ι \ you about this that is almost doubled when the piston and di. Dtchtunus member (16) axially against the piston (8) rod n ;; ch are moved rearward. In addition, you can> presses it radially against the inner surface of the cylinder as it moves rapidly backwards. linders (1) / u expand the user or injure the device