CN2284119Y - Pen-shape pneumatic diesinker with front exhaust - Google Patents

Abstract

The utility model relates to a pen-shaped pneumatic engraving machine with front exhaust. The utility model is characterized in that a concave ring and a concave flute are arranged on an inner diameter circle of a hollow pipe-shaped shell body. A rotary piston is sheathed in the shell body, and a main body of the rotary piston comprises a bearing, an air conducting ring and a blade. The rotary piston is pivoted in a main body. The front end of the rotary piston is provided with a screw thread portion and a clamping portion with a clamping slot. A grinding rod is inserted in the clamping portion, and a fixing element is used for fixing the grinding rod on the screw thread portion. A front cover is fixed by screws on the shell body, and a through hole, a notch and concave points are arranged on the front cover. An air inlet body and an air conducting element are arranged on the shell body. When the pen-shaped pneumatic engraving machine with front exhaust operates, a majority of air is led into the shell body through the air inlet body to drive the rotary piston to rotate, so as to drive the grinding rod to work. A minority of air is exhausted forth from the concave points of the front cover, so as to remove engraving powdered scrap. The grinding rod can be fixed at a deeper position.

Description

The pneumatic diesinker of the pen type of tool front exhaust

The utility model relates to the instrument that a kind of grinding is used, particularly a kind of grinding instrument that has frotton.

In the die sinking operation; the kind of hand-held tool is a lot, and is wherein more effective with the grinding operation of diesinker, and it can make goods modify more smoothly; avoid the appearance of acute angle and cause scratch; but during this class diesinker operation, regular meeting runs into the frotton abnormality vibration that is interposed on the diesinker; this be since the frotton exposed parts long due to; even careless slightly, therefore frotton ruptures probably, must change a new frotton again.Simultaneously, because in use, the grinding meeting constantly produces break flour, causes operator's obstacle and can't continuous action visually, must must do at set intervals and remove action, and operating efficiency is descended.Parts continuous service temperature constantly raises, and easily causes parts to damage.

The purpose of this utility model is the pneumatic diesinker of pen type that a kind of tool front exhaust will be provided, the break flour that it can make parts move reliably continuously and produce when removing die sinking, and undesired the rocking that produces can avoid the frotton rotation time.

Utility model is achieved in that the pneumatic diesinker of the pen type of tool front exhaust establishes one and be the hollow tubular housing, has a scrobicular ring and the groove of one or more on housing internal diameter circle; One is set in the rotary-piston in the housing, the outer rim of rotary-piston is connected to the housing inner edge, the one end forms a main body, be arranged with guide ring and that a plurality of bearings, have an angular cut on the main body and be embedded in blade on guide ring and the main body simultaneously, the other end of rotary-piston forms a clamping part, clamping part offers a slotted eye that axially is through in the bearing, and has a threaded portion at front end, also is provided with more than one clip slot on it; One is plugged on the frotton in the clamping part; One spiral shell solid on the threaded portion in order to the fixing retaining element of frotton; One spiral shell is consolidated the protecgulum at housing, the concave point that protecgulum has a through hole, more than one breach and justifies at internal diameter more than; The solid air inlet body of one spiral shell in the housing rear end; One is socketed in the air guide element of air inlet body.

The utility model mat orders about a part of gas of rotary-piston rotation and discharges from housing to protecgulum; can constantly cool off parts in the housing; make the not too high temperature rise of reason and damaging of these parts; the break flour that produces during simultaneously with die sinking is disposed; improve operating condition and remove the removing action of specializing in from; improve the die sinking operating efficiency; it is darker that the while mat is located at the slotted eye of spinner member; make frotton can be fixed on deeper position; the frotton exposed parts is shorter, when operation, and undesired the rocking of being caused in the time of can avoiding rotating; guarantee the die sinking quality, also can avoid frotton owing to expose the long easy generation fault that wrecks.

The concrete structure of utility model is provided by following examples and accompanying drawing thereof.

Fig. 1 is the axonometric exploded view of the pneumatic diesinker of pen type of the utility model tool front exhaust.

Fig. 2 is Fig. 1 structure assembling broken section axonometric drawing.

Fig. 3 is Fig. 2 longitudinal section.

Fig. 4 is the air-flow conduct schematic diagram of Fig. 1 structure.

Fig. 5 is Fig. 1 structure operation schematic diagram.

With reference to Fig. 1,2, the pneumatic diesinker of the pen type of tool front exhaust includes: a housing 1, is sheathed on air inlet body 6, that rotary-piston 2 in the housing 1, a retaining element 3, the solid protecgulum 4, at housing 1 front end of a spiral shell be screwed onto housing 1 trailing edge and is socketed in an air guide element 7 and a frotton 5 on the air inlet body 6.

Housing 1 is hollow tubular, has a scrobicular ring 11 and be uniform groove 12 with one or more at the internal diameter circle on the internal diameter circle;

One is set in the rotary-piston 2 in the housing 1, rotary-piston 2 outer rims are connected to the housing inner edge, the one end forms a main body 21, be arranged with leading of a plurality of bearings 21, a tool angular cut 2121 on the main body 21 and beg ring 212, with a blade 213 that is embedded in simultaneously on guide ring 212 and the main body 21, the other end of rotary-piston 2 forms a clamping part 22, clamping part 22 offers a slotted eye 221 that axially is through in the bearing 211, and have a threaded portion 222 at front end, also be provided with more than one clip slot 223 on it;

Protecgulum 4 is a beloid hollow cover shape, and protecgulum 4 has one axially and through hole 41, more than one breach 42 and be positioned at the concave point 43 of internal diameter on justifying more than one;

Air inlet body 6 has an air admission hole that runs through 61 in axial centre, and is provided with a plurality of steam vents 62 that circularize arrangement around air admission hole 61;

Air guide element 7 axially has a perforation 71, and has a junction 72 in the rear end; Connecting portion 72 can be engaged on the air admission hole 61, makes air guide element 7 be undertaken on air inlet body 6 front ends;

With reference to Fig. 3, frotton 5 can be sleeved in the slotted eye 221, and retaining element 3 spiral shells are solid on threaded portion 222, uses to force clamping part 22 frotton 5 that is fixedly clamped, and makes frotton 5 unlikely idle running when start;

With reference to Fig. 4; pneumatic diesinker imports air-flow in the housing 1 through air admission hole 61 in air inlet body 6 rear ends; the perforation 71 that air communication is crossed air guide element 7 enters in the rotary-piston 2; when air pressure arrives certain value; most of air-flow can promote blade 213 to be ordered about to execute and changes piston 2 and guide ring 212 rotations; because gas constantly imports; make its perseveration; most of air-flow flows backward; steam vent 62 from air inlet body 6 is discharged outside diesinker, but wherein small part of gas can enter protecgulum 4 through the scrobicular ring 11 of housing 1 and along groove 12 again from the tangent plane on the guide ring 212 2121; forwards discharge from the concave point 43 of protecgulum 4 again, and reach the purpose of removing break flour.

The long-time continuous running of pneumatic diesinker, its internal work temperature can continue to raise, fragile parts, existing before the structure of air draft, utilize the mode of air cooling, absorb heat constantly, discharge then outside the machine, internal works is maintained in the normal running conditions.

With reference to Fig. 5, when using, frotton 5 mat spinner members 22 drive, and ceaselessly rotation reaches and carves the mill effect, and the break flour that produces in the die sinking process can constantly be fallen by the gas clean-up of discharging in through hole 41.

Because it is darker to be opened in the slotted eye 221 of clamping part 22, makes frotton 5 can be fixed on darker position, its exposed parts is shorter, when work, and undesired the rocking of being caused in the time of can avoiding rotating.

Claims (1)

1. the pneumatic diesinker new construction of pen type comprises housing, makes kinetoplast and frotton, it is characterized in that:

A. a housing (1) that is hollow tubular has a scrobicular ring (11) and the groove of one or more (12) on housing (1) internal diameter circle;

B. a rotary-piston (2) that is set in the housing (1), the outer rim of rotary-piston (2) is connected to the housing inner edge, the one end forms a main body (21), be arranged with a plurality of bearings (211) on the main body (21), one has the guide ring (212) of angular cut (2121), with a blade (213) that is embedded in simultaneously on guide ring (212) and the main body (21), the other end of rotary-piston (2) forms a clamping part (22), clamping part (22) offers a slotted eye (221) that axially is through in the bearing (211), and have a threaded portion (222) at front end, also be provided with more than one clip slot (223) on it;

C. a frotton (5) that is plugged in the clamping part (223);

D. a spiral shell solid in the threaded portion (222) go up in order to the fixing retaining element (3) of frotton (5);

E. a spiral shell is consolidated the protecgulum (4) in housing (1), the concave point (43) that protecgulum (4) has through hole (41), more than one breach (42) and justifies at internal diameter more than;

F. a spiral shell is consolidated the air inlet body (6) in housing (1) rear end;

G. an air guide element (7) that is socketed on air inlet body (6) front end.

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