CN2338128Y

CN2338128Y - Structural improvement of pneumatic die-making machine

Info

Publication number: CN2338128Y
Application number: CN 98224593
Authority: CN
Inventors: 方再容
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-07-16
Filing date: 1998-07-16
Publication date: 1999-09-15
Anticipated expiration: 2008-07-16

Abstract

The utility model relates to a structural improvement of a pneumatic die-making machine, which takes a blade motor as a rotating mechanism. A rotating shaft of the rotating mechanism comprises a compression part, a load bearing part and an eccentric part. A blade which is arranged on the compression part of the rotating shaft bears high-pressure gas, and the rotating shaft is pushed by the blade to rotate. Through the pivot connection of a linking mechanism, the eccentric rotating motion which the eccentric part of the rotating shaft makes is converted to the reciprocating motion of a clamping head. An ejecting spring is additionally arranged between a blade which is arranged on the blade motor and the rotating shaft, and a closed air chamber is formed by the ejecting spring, a bearing and a flow guide sleeve cylinder. Thereby, high-pressure gas which enters is effectively utilized to push the rotating shaft to rotate.

Description

The structure improvement of pneumatic carving machine

The utility model relates to a kind of structure improvement of pneumatic carving machine; more particularly; the eccentric motion that it is produced by the rotating shaft eccentric part in the sealed mode fan blade motor; through bearing and double-action mechanism; the drive chuck moves reciprocatingly, the mirror ultrafinish of processing action and low speed such as can be used on file, saw, hammer into shape, hit.

The reciprocating type pneumatic carving machine of commonly seeing is to promote its inner blade structure and drive the rotating shaft rotation with pressurized gas; be linked to eccentric mounting by rotating shaft with belt or box of tricks again; make the chuck that is connected in eccentric mounting make front-rear reciprocation movement, to reach reciprocal processing effect.

Yet aforesaid carving machine structure must have many parts to match, and man-hour and operation when therefore not only increasing assembling also can make the kinetic energy that rotating shaft is transmitted be subjected to loss simultaneously; In addition, utilize the high-pressure air various flows road of flowing through to force valve body, propulsion element to seesaw and drive the reciprocating mode of chuck, when the high-pressure air amount that enters hour, the operator is if when firmly pressing on the file tool of chuck clamping or saw blade on the machining object, and chuck easily runs out of steam and can't move, and probes into its reason, mainly be because the tightness of pneumatic carving machine itself is not good, in air inflow hour, portion of energy can drive file tool or saw blade action and lack enough thrust because of running off; In addition, when running up, the thrust deficiency is also arranged, rotating speed reaches shortcomings such as noise is too big inadequately.

Be subjected to the restriction of high, low speed based on the aforementioned pneumatic carving machine of commonly using; therefore exhaust intelligence and create a kind of reciprocating pneumatic carving machine that possesses; it also can be handled the mirror ultrafinish of low speed, thereby enlarge using scope except can bearing 20,000 rpms high rotating speed.

Main purpose of the present utility model provides a kind of pneumatic carving machine that processing action and low speed mirror ultrafinish such as is applied to file, saw, hammer into shape, hit; the tightness that is possessed by fan blade motor itself increases the utilization efficiency of pressurized gas, and the off-centre that the to-and-fro motion that its chuck is done is produced by this fan blade motor shaft eccentric part rotatablely moves and drives chuck through double-action mechanism and formed.

To achieve the above object, the structure improvement aspect of the pneumatic carving machine of the utility model is arranged at the rotating mechanism in the frame and formed by the double-action mechanism of this rotation mechanism transmission by one, it is characterized in that: the rotating shaft of rotating mechanism includes a compression zone at least on it is axial, bearing part and eccentric part, this compression zone has an identical and fixing axis of rotation with bearing part, this eccentric part has a different eccentric shaft, this compression zone outer rim equidistantly is equipped with plurality of vanes and rotates this rotating shaft to accept pressurized gas, makes this eccentric part make an off-centre with respect to aforesaid axis of rotation and rotatablely moves; This double-action mechanism comprises at least that the connecting rod and that is connected on the aforementioned eccentric part is subjected to the connecting rod interlock and the operating bar that moves reciprocatingly.

This rotating mechanism is one to have the fan blade motor of sealed gas chamber, and this sealed gas chamber is made up of sleeve, bearing, blade and above-mentioned rotating shaft, the chimeric place of this rotating mechanism rotating shaft and blade is provided with a plurality of ejector springs, in order to eject this blade, keep the driving fit between blade and this fair water sleeves under normal conditions.

Between this frame and operating bar, be arranged with a sleeve pipe, on this sleeve pipe outer rim, be equipped with a plurality of linear bearings, and be provided with a plurality of wear-resistant sleeves at this sleeve pipe inner edge.Be equipped with a dust cloth ring at this operating bar front end sleeve.

Relevant summary of the invention of the present utility model and embodiment are explained as follows with conjunction with figs.:

Be brief description of drawings below:

Fig. 1 is the schematic representation of structural profile of the present utility model.

Fig. 2 is three-dimensional exploded view of the present utility model.

Fig. 3 is stroke action schematic representation of the present utility model, and the travel position of this creation rotating shaft, bearing, connecting rod and operating bar is described.

Fig. 4 is the sectional schematic diagram that concerns between chimeric rotating shaft of blade of the present utility model and sleeve.

Please consulting Fig. 1 and Fig. 2 simultaneously, is the structure of each one of the utility model shown in the figure, and can recognize the relative position of each element in the utility model from figure.As shown in the figure, the utility model structure can probably be divided into the rotating mechanism 2 that is constituted with a fan blade motor that is configured in the frame 1 and two parts of double-action mechanism 3, this rotating mechanism 2 is the sleeve 21 that is disposed at pneumatic carving machine frame 1 inner edge by basically, the lid 212 that this sleeve 21 is located on the body 211 by the body 211 and an envelope of a hollow is formed, and wherein correspondence offers a perforation 213 on this body 211 and lid 212; And configuration one rotating shaft 4 in this sleeve 21, this rotating shaft 4 includes compression zone 41, be positioned at the bearing part 42 that compression zone 41 both sides and outer rim dispose bearing 216,217,42 ', and from bearing part 42,42 ' outwards extends axially three parts of the eccentric part 43,43 ' that passes aforementioned perforation; Wherein the compression zone 41 circumferential outer edge five equilibriums in this rotating shaft 4 are embedded with a plural number blade 45, and ejector spring 44 is set at the chimeric place of this rotating shaft 4 and blade 45, eject blade 45 in the outer rim of rotating shaft 4 with this ejector spring 44 under normal conditions and support on the inner edge wall that ends at aforementioned sleeve 21.As can also be seen from Figure, aforementioned bearings 216,217 forms a sealed gas chamber with sleeve 21, and can be subjected to the air-flow promotion and rotating shaft 4 is rotated between the blade 45 of 4 of aforementioned sleeve 21 and rotating shafts.

Secondly, this double-action mechanism 3 is by two connecting rods (30,31), a plurality of bearings (32,33,34 and 35), and a driving piece 36 and an operating bar 37 are formed; Wherein round-meshed joint (301 is respectively offered at connecting

rod

30 and 31 two ends, 302,311,312), two connecting rods 30 wherein, the circular hole of 31 1 ends is used for aforesaid bearing 32,33 scarf loose joints are on the eccentric part 43,43 ' of aforementioned rotating shaft 4, and the circular hole of the other end is used for other two

bearings

34,35 scarves are on driving piece 36, be screwed together on the driving piece 36 with a nut 361 again, aforementioned operating bar 37 is located between two connecting

rods

30,31 with the relation that articulates, allow this start make aforementioned operating bar 37 establish two connecting rods 30 with the relation folder that articulates, between 31, allow this operating bar 37 be subjected to connecting

rod

30,31 interlocks and move simultaneously, wherein extend to outside the frame 1, but and be formed with the chuck 38 of clamping frotton (not shown) in the tail end at these operating bar 37 the other ends.

Please consulting Fig. 3 and Fig. 4 again, order about the principle of this fan blade motor rotation, mainly is that the suction port 214 of pressurized gas through being arranged on sleeve 21 rears is blown between the inner and rotating shaft 4 of sleeve 21, then blows out via the exhaust port 215 in sleeve 21 the place aheads again.Owing to blade 45 can promote to force rotating shaft 4 rotations via high pressure draught, and this sleeve 21 is by bearing 216,217 setting and the bearing part 42,42 ' that makes this rotating shaft 4 are around a fixing axle center rotation, therefore, eccentric part 43 in the rotating shaft 4,43 ' can do an off-centre to above-mentioned axis of rotation rotatablely moves, and again via connecting

rod

30,31 and bearing 32,33,34 and 35 drive operating bar 37 moves reciprocatingly.

Also disclosed operating state of the present utility model in the drawings, its expression drives eccentric part 43 when rotating shaft 4 rotations, the bearing 32 of 43 ' outer rim, the 33 maximum eccentric circumferential positions that had, and double-action mechanism 3 concern the position, the stroke range of driving piece 36 can be considered operating bar 37 reciprocating tracks, with the mirror ultrafinish of processing action and low speed such as be engaged in file, saw, hammer into shape, hit.

The utility model is being done in the process of motion with respect to frame 1 in order to make this operating bar 37, operating bar 37 not reason rubs mutually and wears away, therefore, at this frame 1 and 37 of operating bars is to be arranged with a sleeve pipe 6, on these sleeve pipe 6 outer rims, be equipped with a plurality of linear bearings 7, and be provided with a plurality of wear-resistant sleeves 8 at these sleeve pipe 6 inner edges, 8 ' (as depicted in figs. 1 and 2), still can add lubricant oil 8 of this wear-resistant sleeves, when operating bar 37 is reciprocating with respect to frame 1, the situation that can reduce abrasion takes place, and the noise that is produced in the time of also can making mutual the friction simultaneously reaches minimum; In addition, enter in the frame 1 for fear of the break flour that when grinding work, is produced, and influence the normal operation of internal works, therefore be equipped with a dust cloth ring 5 (as wool felt etc.) at these operating bar 37 front end sleeves, enter inside to stop the gap of break flour between frame 1 front opening and operating bar 37.

At last, from Fig. 4, also can see the state that blade 45 and rotating shaft 4 are chimeric, and the motion characteristic of this fan blade motor of low speed start, this fan blade motor is under normality, by ejector spring 44 blade 45 is ejected edge outside the rotating shaft 4, make blade 45 under the micro-air-flow of low speed promotes, also can start this rotating shaft 4 and begin rotation.

In sum, architecture advances of the present utility model can be finished following effect:

1, the mirror ultrafinish of low speed, in this fan blade motor, rotating shaft 4, sleeve and bearing 216,217 cooperatively interact, the common sealed gas chamber that forms can make full use of the pressurized gas that enter, and by the effect that is used for reaching low speed start and low-speed running of the ejector spring 44 in this rotating shaft 4.

2, rotating shaft 4 has three parts; be respectively compression zone 41; blade 45 these rotating shaft 4 ' bearing parts 42 of rotation on it; 42 '; its supporting revolving shaft 4 is done a fixedly rotation in axle center; eccentric part 43,43 ' does an off-centre to above-mentioned fixedly axle center rotatablely moves, thus the operating bar 37 that drives this pneumatic carving machine is done a to-and-fro motion.

3, the connecting rod of double-action mechanism 3 (30,31), driving piece 36 can be made reciprocal high-speed motion by bearing 34,35, and the cooperation of operating bar 37.

The structure improvement of the pneumatic carving machine that the utility model proposed; have practicability and creativeness in fact concurrently; with comparing of commonly using; enhancement on function is conspicuous; any variation and improvement that any those skilled in the art of knowing have done the utility model all can not exceed the desired scope of patent request of the present utility model.

Claims

1, a kind of structure improvement of pneumatic carving machine; especially refer to a kind of reciprocating pneumatic carving machine that possesses, can bear outside the high rotating speed, also can handle the mirror ultrafinish of low speed; it is characterized in that by being arranged at the rotating mechanism in the frame and formed by the double-action mechanism of rotating mechanism transmission:

The rotating shaft of this rotating mechanism includes a compression zone at least on it is axial, bearing part and eccentric part, this compression zone has an identical and fixing axis of rotation with bearing part, this eccentric part has a different eccentric shaft, this compression zone outer rim equidistantly is equipped with plurality of vanes and rotates this rotating shaft to accept pressurized gas, makes this eccentric part do an off-centre with respect to aforesaid axis of rotation and rotatablely moves;

This double-action mechanism comprises the connecting rod that is connected on the aforementioned eccentric part at least, and one is subjected to the connecting rod interlock and the operating bar that moves reciprocatingly.

2, the structure improvement of pneumatic carving machine as claimed in claim 1 is characterized in that, this rotating mechanism is one to have the fan blade motor of sealed gas chamber, and this sealed gas chamber is made up of sleeve, bearing, blade and above-mentioned rotating shaft.

3, the structure improvement of pneumatic carving machine as claimed in claim 1 is characterized in that, the chimeric place of this rotating mechanism rotating shaft and blade is equipped with a plurality of ejector springs, in order to eject this blade, keeps the driving fit between blade and this fair water sleeves under normality.

4, the structure improvement of pneumatic carving machine as claimed in claim 1 is characterized in that, is arranged with a sleeve pipe between this frame and operating bar, is equipped with a plurality of linear bearings on this sleeve pipe outer rim, and is provided with a plurality of wear-resistant sleeves at this sleeve pipe inner edge.

5, the structure improvement of pneumatic carving machine as claimed in claim 1 is characterized in that, is equipped with a dust cloth ring at this operating bar front end sleeve.