CN101797652A - Pneumatic high-power drill unit - Google Patents
Pneumatic high-power drill unit Download PDFInfo
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- CN101797652A CN101797652A CN200910096117A CN200910096117A CN101797652A CN 101797652 A CN101797652 A CN 101797652A CN 200910096117 A CN200910096117 A CN 200910096117A CN 200910096117 A CN200910096117 A CN 200910096117A CN 101797652 A CN101797652 A CN 101797652A
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- main shaft
- piston bar
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Abstract
The invention discloses a pneumatic high-power drill unit, which comprises a motor. A motor shaft is connected with a transmission shaft through a transmission mechanism; and the lower part of the transmission shaft is connected with a main shaft. The transmission shaft and the main shaft are positioned in a hollow piston rod; a shell is arranged outside the hollow piston rod; a bearing is arranged between the main shaft and the hollow piston rod; and a drill bit is arranged at the lower end of the main shaft. The pneumatic high-power drill unit is characterized in that: a cylinder is arranged outside the middle part of the hollow piston rod; a cylinder piston is connected with the hollow piston rod; the lower end of the shell is provided with a cover; the cover and the upper end of the cylinder body are sealed; the cylinder piston contacts the lower end face of the cover; a cylinder sleeve is arranged outside the cylinder; and two ends of the cylinder sleeve are connected with the shell and the hollow piston rod respectively. The upper end of the hollow piston rod is fixedly connected with a rocker arm; the main shaft passes through the rocker arm; a collision head is arranged on the lower part of the outside of the rocker arm; the cylinder sleeve is connected with a hydraulic cylinder body of a speed controller; and a hydraulic piston rod contacts the collision head. The pneumatic high-power drill unit can realize automatic advance of a tool, feeding and tool withdrawal, and has low labor intensity. Meanwhile, the main shaft is fed at a balanced speed, and the drilling precision is greatly improved.
Description
Technical field
The present invention relates to drilling hole machine tool, particularly relate to Pneumatic high-power drill unit, belong to machine tool field.
Background technology
When the workpiece of drilling major diameter (as 60 millimeters of Φ), must adopt large-scale radial drilling machine; radial drilling machine is divided into hand-operated rocker arm drilling machine and numerical control rocker arm drilling machine; but the hand-operated rocker arm drilling machine needs manual feed, the worker advances and withdrawing; troublesome poeration, production efficiency is low, and labour intensity is big; and the manual operation instability, easily cause the machining accuracy in hole poor; And numerical control rocker arm drilling machine exists the manufacturing cost height, and the worker advances the back reset speed and waits shortcoming slowly.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming that prior art exists, provide a kind of can autofeed, the worker advances and withdrawing, labour intensity is little, low cost of manufacture, high efficiency, and guarantee the speed feeding of main shaft with equilibrium, improve borehole accuracy greatly, compact conformation, the Pneumatic high-power drill unit of good stability.
The technical scheme of Pneumatic high-power drill unit of the present invention is: comprise motor, motor shaft connects power transmission shaft through transmission mechanism, the bottom of power transmission shaft connects main shaft, power transmission shaft and main shaft are positioned at the hollow piston bar, the hollow piston bar is installed housing outward, between main shaft and the hollow piston bar bearing is installed, following of main shaft installed drill bit, it is characterized in that outside the middle part of described hollow piston bar cylinder being installed, cylinder piston is connected with the hollow piston bar, the lower end of housing is shaped on headkerchief, headkerchief seals mutually with the upper end of cylinder block, and cylinder piston contacts with the lower surface of headkerchief, and cylinder is installed cylinder sleeve outward, the higher authorities of cylinder sleeve are connected with housing, and following of cylinder sleeve is connected with the hollow piston bar; The affixed rocking arm in the upper end of hollow piston bar, main shaft passes rocking arm, and the outer lower portion of rocking arm is installed and is met and discussed, and cylinder sleeve connects the hydraulic cylinder body of speed regulator, and the hydraulic cylinder piston rod of speed regulator contacts with meeting and discussing.
Pneumatic high-power drill unit of the present invention, compare with the hand-operated rocker arm drilling machine, automatically control the lifting of hollow piston bar (driving the hollow piston bar by cylinder piston) by cylinder, the hollow piston bar drives drill bit by main shaft, realizes autofeed, the worker advances and withdrawing, thereby reduce labour intensity greatly, increase work efficiency, and cylinder is stable, reliable, makes the hollow piston bar stressed steadily, improve borehole accuracy, the error of avoiding manual operation to cause; Compare with numerical control rocker arm drilling machine, only adopt a cylinder can operate low cost of manufacture automatically.The end cap of the headkerchief of housing as cylinder, compact conformation helps sealing again again; Cylinder is installed cylinder sleeve outward, can effectively protect cylinder; Fixedly meet and discuss through rocking arm in the upper end of hollow piston bar, cylinder sleeve connects the hydraulic cylinder body of speed regulator, the hydraulic cylinder piston rod of speed regulator contacts with meeting and discussing, and has had speed regulator can guarantee that main shaft advances with the feed speed of equilibrium, further improves borehole accuracy, and speed regulator and cylinder sleeve are fixed, make the fixed-site of speed regulator motionless, and promote to meet and discuss, control the hollow piston bar by hydraulic cylinder piston rod, this upside-down mounting fixed form good stability prevents to produce vibrations.The structure of speed regulator (also claiming damper) belongs to prior art, is to utilize air pressure to come the pressure of regulator solution cylinder pressure and then the movement velocity of regulating hydraulic cylinder piston as 200620107542.X number disclosed speed regulator of Chinese patent ZL.
Pneumatic high-power drill unit of the present invention, its described cylinder piston and hollow piston bar are made one, closely link to each other between cylinder piston and the hollow piston bar, and be simple in structure, avoids pressure release again.Its described cylinder piston is connected by connector after the split manufacturing with the hollow piston bar, the sealing ring first is installed between cylinder piston and the hollow piston bar, processing is convenient in cylinder piston and the split manufacturing separately of hollow piston bar, and the sealing ring first can prevent pressure release between the two.Sealing ring second is installed between the inwall of its described cylinder piston and cylinder block, prevents pressure release.Its described housing guide post is housed between two up and down, rocking arm cooperates with guide post is movable, makes the speed regulator transferring power reliable.Its described transmission mechanism is belt wheel transmission or gear drive.
Description of drawings
Fig. 1 is that the master of Pneumatic high-power drill unit of the present invention looks schematic diagram;
Fig. 2 is the A-A cross-sectional schematic of Fig. 1.
The specific embodiment
The invention discloses a kind of Pneumatic high-power drill unit, as Fig. 1, shown in Figure 2, comprise motor 1, motor shaft 11 connects power transmission shaft 12 through transmission mechanism 8, the bottom of power transmission shaft 12 connects main shaft 13, power transmission shaft 12 and main shaft 13 are positioned at hollow piston bar 2, the hollow piston bar 2 outer housings 3 of installing, bearing 4 is installed between main shaft 13 and the hollow piston bar 2, following of main shaft 13 installed drill bit, it is characterized in that outside the middle part of described hollow piston bar 2 cylinder being installed, and cylinder piston 51 is connected with hollow piston bar 2, the lower end of housing 3 is shaped on headkerchief 31, headkerchief 31 seals mutually with the upper end of cylinder block 52, and cylinder piston 51 contacts with the lower surface of headkerchief 31, and cylinder is installed cylinder sleeve 54 outward, the higher authorities of cylinder sleeve 54 are connected with housing 3, and following of cylinder sleeve 54 is connected with hollow piston bar 2; The affixed rocking arm 61 in the upper end of hollow piston bar 2, main shaft 13 passes rocking arm 61, and the outer lower portion of rocking arm 61 is installed and is met and discussed 62, and cylinder sleeve 54 connects the hydraulic cylinder body 71 of speed regulators 7, and the hydraulic cylinder piston rod 72 of speed regulator 7 62 contacts with meeting and discussing.Compare with the hand-operated rocker arm drilling machine, automatically control the lifting of hollow piston bar 2 (driving hollow piston bar 2) by cylinder piston 51 by cylinder, hollow piston bar 2 drives drill bit by main shaft 13, realize autofeed, the worker advances and withdrawing, thereby reduce labour intensity greatly, increase work efficiency, and cylinder is stable, reliable, make hollow piston bar 2 stressed steady, improve borehole accuracy, the error of avoiding manual operation to cause; Compare with numerical control rocker arm drilling machine, only adopt a cylinder can operate low cost of manufacture automatically.The end cap of the headkerchief 31 of housing 3 as cylinder, compact conformation helps sealing again again; Cylinder is installed cylinder sleeve 54 outward, can effectively protect cylinder; The upper end of hollow piston bar 2 fixedly meets and discusses 62 through rocking arm 61, cylinder sleeve 54 connects the hydraulic cylinder body 71 of speed regulator 7, the hydraulic cylinder piston rod 72 of speed regulator 7 62 contacts with meeting and discussing, there has been speed regulator 7 can guarantee that main shaft 13 advances with stable feed speed, further improve borehole accuracy, and speed regulator 7 and cylinder sleeve 54 are fixed, make the fixed-site of speed regulator motionless, and promote to meet and discuss 62 by hydraulic cylinder piston rod 72, control hollow piston bar 2, this upside-down mounting fixed form good stability prevents to produce vibrations.The structure of speed regulator (also claiming damper) belongs to prior art, is to utilize air pressure to come the pressure of regulator solution cylinder pressure and then the movement velocity of regulating hydraulic cylinder piston as Chinese patent ZL200620107542.X number disclosed speed regulator.Its described cylinder piston 51 is made one with hollow piston bar 2, closely links to each other between cylinder piston and the hollow piston bar, and is simple in structure, avoids pressure release again.Its described cylinder piston 51 is connected by connector after the split manufacturing with hollow piston bar 2, sealing ring first 53 is installed between cylinder piston 51 and the hollow piston bar 2, processing is convenient in cylinder piston and the split manufacturing separately of hollow piston bar, and the sealing ring first can prevent pressure release between the two.Sealing ring second 56 is installed between the inwall of its described cylinder piston 51 and cylinder block 52, prevents pressure release.Its described housing 3 guide post 37 is housed between two up and down, rocking arm 61 and 37 movable cooperations of guide post, make the speed regulator transferring power reliable.Its described transmission mechanism 8 is belt wheel transmission or gear drive, and the belt wheel transmission is at an end of motor shaft and power transmission shaft synchronizing wheel to be installed separately, with being with synchronously two synchronizing wheels is coupled together again.
Claims (6)
1. Pneumatic high-power drill unit, comprise motor (1), motor shaft (11) connects power transmission shaft (12) through transmission mechanism (8), the bottom of power transmission shaft (12) connects main shaft (13), power transmission shaft (12) and main shaft (13) are positioned at hollow piston bar (2), the outer housing (3) of installing of hollow piston bar (2), between main shaft (13) and the hollow piston bar (2) bearing (4) is installed, following of main shaft (13) installed drill bit, it is characterized in that outside the middle part of described hollow piston bar (2) cylinder being installed, cylinder piston (51) is connected with hollow piston bar (2), the lower end of housing (3) is shaped on headkerchief (31), headkerchief (31) seals mutually with the upper end of cylinder block (52), cylinder piston (51) contacts with the lower surface of headkerchief (31), cylinder is installed cylinder sleeve (54) outward, and the higher authorities of cylinder sleeve (54) are connected with housing (3), and following of cylinder sleeve (54) is connected with hollow piston bar (2); The affixed rocking arm in upper end (61) of hollow piston bar (2), main shaft (13) passes rocking arm (61); the outer lower portion of rocking arm (61) is installed and met and discussed (62), and cylinder sleeve (54) connects the hydraulic cylinder body (71) of speed regulator (7), and the hydraulic cylinder piston rod (72) of speed regulator (7) contacts with meet and discuss (62).
2. Pneumatic high-power drill unit as claimed in claim 1 is characterized in that described cylinder piston (51) and hollow piston bar (2) make one.
3. Pneumatic high-power drill unit as claimed in claim 1, it is characterized in that described cylinder piston (51) is connected by connector after the split manufacturing with hollow piston bar (2), sealing ring first (53) is installed between cylinder piston (51) and the hollow piston bar (2).
4. Pneumatic high-power drill unit as claimed in claim 1 is characterized in that installing between the inwall of described cylinder piston (51) and cylinder block (52) sealing ring second (56).
5. Pneumatic high-power drill unit as claimed in claim 1, what it is characterized in that described housing (3) is equipped with guide post (37) up and down between two, and rocking arm (61) cooperates with guide post (37) is movable.
6. Pneumatic high-power drill unit as claimed in claim 1 is characterized in that described transmission mechanism (8) is belt wheel transmission or gear drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910096117A CN101797652A (en) | 2009-02-10 | 2009-02-10 | Pneumatic high-power drill unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910096117A CN101797652A (en) | 2009-02-10 | 2009-02-10 | Pneumatic high-power drill unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101797652A true CN101797652A (en) | 2010-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910096117A Pending CN101797652A (en) | 2009-02-10 | 2009-02-10 | Pneumatic high-power drill unit |
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| Country | Link |
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| CN (1) | CN101797652A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378596A (en) * | 2017-08-31 | 2017-11-24 | 黄石华旦机械制造有限公司 | Suitable for the multiple adjustable delivering gear of feed speed of compressor crankcase processing |
-
2009
- 2009-02-10 CN CN200910096117A patent/CN101797652A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378596A (en) * | 2017-08-31 | 2017-11-24 | 黄石华旦机械制造有限公司 | Suitable for the multiple adjustable delivering gear of feed speed of compressor crankcase processing |
| CN107378596B (en) * | 2017-08-31 | 2023-09-22 | 黄石华旦机械制造有限公司 | Feed mechanism with multiple adjustable feed speed suitable for processing crankcase of compressor |
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Application publication date: 20100811 |