CN102699404A - Hydraulic cutter lifting and relieving mechanism - Google Patents
Hydraulic cutter lifting and relieving mechanism Download PDFInfo
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- CN102699404A CN102699404A CN2012102062855A CN201210206285A CN102699404A CN 102699404 A CN102699404 A CN 102699404A CN 2012102062855 A CN2012102062855 A CN 2012102062855A CN 201210206285 A CN201210206285 A CN 201210206285A CN 102699404 A CN102699404 A CN 102699404A
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- piston rod
- cylinder block
- bottom cover
- lower bottom
- gear
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Abstract
The invention discloses a hydraulic cutter lifting and relieving mechanism. A cylinder body seat is fixed on a tool rest body; an upper head cover is mounted at the upper end of the cylinder body seat; a stroke adjusting screw is mounted in the center of the upper head cover; a lower bottom cover is mounted at the lower end of the cylinder body seat; a right-angled pipe joint is mounted in an oil outlet hole in the center of the lower bottom cover, so as to connect a hydraulic oil pipe; a guide sleeve is mounted at the upper part on the inner wall of the cylinder body seat; a compression spring is mounted at the lower part on the inner wall of the cylinder body seat; a piston rod is mounted in the middle holes of the guide sleeve and the compression spring; a tool rest cutter beating plate is positioned and mounted on the tool rest body through a gear mandrel, and can overturn around the axle center of the gear mandrel; and a gear arranged at one end of the gear mandrel is meshed with a gear rack on the piston rod. The hydraulic cutter lifting and relieving mechanism has the advantages that cutting lifting stroke and angle are large; the overturn force is large; mechanical operation is smooth and reliable; different overturn angles can be obtained through adjustment; and buffering is exerted at the tail end of the stroke, so as to avoid equipment damage caused by impact.
Description
Technical field
The present invention relates to the machine tool technical field, especially a kind of hydraulic pressure cutter lifting relieving mechanism that is applied in the planer class lathe.
Background technology
Planer class lathe need lift cutter to step down when the lathe withdrawing; The electromagnetism cutter lifting relieving mechanisms that use in the prior art more; Produce electromagnetic force by coil electricity during withdrawing; Promote push rod jack-up and clap knife plate, drive and be installed in the cutter upset of clapping on the knife plate, make point of a knife break away from the effect that finished surface plays the protection point of a knife.But the stroke of electromagnetism cutter lifting relieving mechanism is less, and the cutter lifting stroke angles can only reach about 5 °, can not satisfy the situation that channeling adds need wide-angle cutter lifting cutter relieving in man-hour.And its reliability is relatively poor; Because it is less that solenoid produces thrust; When heavier or lifter internal friction resistance is big when cutter, when lathe withdrawing stroke, just cutter be can not lift in time, effectively, cutter and workpiece damaged thereby make the cutter point of a knife knock the treatment of surfaces of components; Also influence the use of alloy type cutter on planer, can't give full play to its high-speed cutting performance.
Summary of the invention
The shortcoming that the applicant exists to above-mentioned existing electromagnetism cutter lifting relieving mechanism provides a kind of simple and reasonable hydraulic pressure cutter lifting relieving mechanism, and its cutter lifting angle is big, the cutter lifting angular range is adjustable, assembling is easy, operate steadily and dependable performance.
The technical scheme that the present invention adopted is following:
A kind of hydraulic pressure cutter lifting relieving mechanism, cylinder block is fixed on the tool holder body, in the cylinder block upper end upper top cover is installed, and central authorities are equipped with stroke regulating screw at upper top cover; In the cylinder block lower end lower bottom cover is installed, at the central oil outlet of lower bottom cover union elbow is installed and is used for connecting hydraulic oil pipe; In the cylinder block upper inside wall fairlead is installed, the compression spring is installed in cylinder block inwall bottom, in the mesopore of fairlead and compression spring, piston rod is installed; The top of piston rod is provided with tooth bar, and the middle part is a boss, and afterbody is a plug; The compression spring is compressed and pushes against between the middle part of piston rod boss step surface and fairlead; On tool holder body, knife rest is clapped knife plate can make flip-flop movement with the axle center of gear mandrel to knife rest bat knife plate with gear mandrel location and installation, and the gear of gear mandrel one end setting is meshed with the tooth bar on the piston rod.
Further improvement as technique scheme: said lower bottom cover side is equipped with the buffering adjustment screw, and buffering adjustment screw afterbody seals the buffering oilhole of lower bottom cover.
The periphery and the fairlead inwall of the non-tooth bar in top of said piston rod are slidingly matched, and middle part boss side face cooperates with cylinder block inwall glade plane space, and is provided with sealing ring; The afterbody plug cooperates with the oil outlet inwall glade plane space of lower bottom cover.
Beneficial effect of the present invention is following:
The present invention adopts the hydraulic drive piston rod; Gear with on the rack and pinion mandrel on the piston rod is meshed; Rectilinear motion is converted into gyration; Drive knife rest by the rotation of gear mandrel and clap knife plate and make flip-flop movement and realize the action of cutter lifting cutter relieving, cutter lifting stroke angles maximum can reach more than 90 °.Adopt hydraulic coupling to replace original electromagnetic force, make that the tilting force that acts on the bat knife plate is bigger, mechanical action is more steadily reliable.And, come the length of regulating piston bar movement travel, thereby make the cutter lifting angle demand that the different flip angle of knife plate acquisition adapts to different processing technologys of clapping through regulating upper top cover up stroke adjustment screw.Also can produce cushion effect when the buffering adjustment screw makes piston rod run to lower dead center simultaneously, avoid producing and impact damage equipment through regulating.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the stereogram of piston rod.
Among the figure: 1, stroke regulating screw; 2, upper top cover; 3, fairlead; 4, gear mandrel; 5, piston rod; 6, compression spring; 7, cylinder block; 8, buffering adjustment screw; 9, lower bottom cover; 10, union elbow; 11, knife rest is clapped knife plate; 12, tool holder body; 13, tooth bar; 14, boss; 15, plug; 16, oil outlet; 17, buffering oilhole.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
Like Fig. 1, shown in Figure 2, the cylinder block 7 of hydraulic pressure cutter lifting relieving mechanism of the present invention is fixed on the tool holder body 12, in cylinder block 7 upper ends upper top cover 2 is installed, and 2 central authorities are equipped with stroke regulating screw 1 at upper top cover; In cylinder block 7 lower ends lower bottom cover 9 is installed; Buffering adjustment screw 8 is installed in lower bottom cover 9 sides; The screw afterbody seals the buffering oilhole 17 of lower bottom cover 9, in oil outlet 16 apertures of lower bottom cover 9 central authorities union elbow 10 is installed and is used for connecting hydraulic oil pipe.In cylinder block 7 upper inside wall fairlead 3 is installed, compression spring 6 is installed in cylinder block 7 inwall bottoms, in the mesopore of fairlead 3 and compression spring 6, piston rod 5 is installed; As shown in Figure 3; The top of piston rod 5 is provided with tooth bar 13, and the middle part is a boss 14, and afterbody is a plug 15.As shown in Figure 1, the periphery of the non-tooth bar in top of piston rod 5 and fairlead 3 inwalls are slidingly matched, and boss 14 side faces in middle part cooperate with cylinder block 7 inwall glade plane spaces, and are provided with sealing ring; Afterbody plug 15 cooperates with the oil outlet 16 inwall glade plane spaces of lower bottom cover 9.Compression spring 6 is compressed and pushes against between the middle part of piston rod 5 boss 14 step surfaces and fairlead 3.Knife rest clap knife plate 11 with gear mandrel 4 location and installation on tool holder body 12, knife rest is clapped knife plate 11 can make flip-flop movement with the axle center of gear mandrel 4, the gear of gear mandrel 4 one end settings is meshed with tooth bar 13 on the piston rod 5.
Assembling process of the present invention is following: at first fairlead 3, compression spring 6 are directly installed in the cylinder block 7 with piston rod 5, cylinder block 7 two ends are installed top cover 2 and lower bottom cover 9 respectively; Coat a little lubricating oil in the piston rod 5 and the cooperation place of cylinder block 7 and fairlead 3 endoporus during installation, it is smooth and easy to guarantee that piston rod 5 slides in cylinder block 7, guarantees no stuck phenomenon.Be installed in stroke regulating screw 1 on the upper top cover 2 then; Be installed in buffering adjustment screw 8 respectively on the lower bottom cover 9 with union elbow 10.Gear mandrel 4 each knife rest of tool holder body 12 of packing into are clapped in the hole of knife plates 11, and it is fixing with holding screw gear mandrel 4 and knife rest to be clapped knife plate 11.Peace is enclosed within gear mandrel 4 with good cylinder block 7 assemblies stretches out on the gear shaft of tool holder body 12, guarantee that gear and the tooth bar 13 on the piston rod 5 on the gear mandrel 4 accurately meshes, simultaneously cylinder block 7 assemblies are fixedly mounted on the tool holder body 12.
During real work, the present invention is adorned on the planer head, be connected with Hydraulic Station through hydraulic hose.When planer gets into the withdrawing stroke; Hydraulic oil gets into piston rod 5 belows through union elbow 10; Promoting piston rod 5 rises; The gear that the tooth bar 13 on piston rod 5 tops promotes gear mandrel 4 ends rotates up, and the drive knife rest bat knife plate 11 that rotates up of gear mandrel 4 outwards overturns, thereby makes the cutter that is installed on the knife rest bat knife plate 11 do the motion of cutter lifting cutter relieving.Thereby come the stroke size of control piston bar 5 to make knife rest clap knife plate 11 through adjustment stroke adjustment screw 1 and obtain different flip angles.When the withdrawing stroke finishes; Hydraulic fluid pressure is removed and is passed through union elbow 10 emptyings from oil outlet 16; Compress spring 6 and promote piston rods 5 declines, piston rod 5 upper racks 13 promotion gear mandrels 4 cog and are rotated down, and the drive knife rest bat knife plate 11 that is rotated down of gear mandrel 4 overturns downwards; The cutter that drive is installed on the knife rest bat knife plate 11 is got back to the operating position, guarantees that the feed stroke carries out smoothly.Knife rest is clapped knife plate 11 and is produced with tool holder body 12 and impact when avoiding resetting; When piston rod 5 descends near the lower dead center of cylinder block 7 bottoms constantly, the plug 15 of piston rod 5 afterbodys gets into and the oil outlet 16 of sealing lower bottom cover 9, and the excess oil of piston rod 5 bottoms can only be discharged through the thinner buffering oilhole 17 of diameter; And the outlet size of buffering oilhole 17 can be regulated by the buffering adjustment screw 8 of installing in the lower bottom cover 9; Thereby limited the speed that resets, produced cushion effect, avoided producing and impact.
More than describing is to explanation of the present invention, is not that institute of the present invention restricted portion is referring to claim to the qualification of invention, and under the situation of spirit of the present invention, the present invention can do any type of modification.
Claims (3)
1. hydraulic pressure cutter lifting relieving mechanism, it is characterized in that: cylinder block (7) is fixed on the tool holder body (12), in cylinder block (7) upper end upper top cover (2) is installed, and central authorities are equipped with stroke regulating screw (1) at upper top cover (2); In cylinder block (7) lower end lower bottom cover (9) is installed, at the central oil outlet (16) of lower bottom cover (9) union elbow (10) is installed and is used for connecting hydraulic oil pipe; In cylinder block (7) upper inside wall fairlead (3) is installed, compression spring (6) is installed in cylinder block (7) inwall bottom, in the mesopore of fairlead (3) and compression spring (6), piston rod (5) is installed; The top of piston rod (5) is provided with tooth bar (13), and the middle part is boss (14), and afterbody is plug (15); Compression spring (6) is compressed and pushes against between middle part boss (14) step surface and fairlead (3) of piston rod (5); Knife rest clap knife plate (11) with gear mandrel (4) location and installation on tool holder body (12); Knife rest is clapped knife plate (11) can make flip-flop movement with the axle center of gear mandrel (4), and the gear that gear mandrel (4) one ends are provided with is meshed with the tooth bar (13) on the piston rod (5).
2. according to the described hydraulic pressure cutter lifting of claim 1 relieving mechanism, it is characterized in that: said lower bottom cover (9) side is equipped with buffering adjustment screw (8), and buffering adjustment screw (8) afterbody seals the buffering oilhole (17) of lower bottom cover (9).
3. according to the described hydraulic pressure cutter lifting of claim 1 relieving mechanism; It is characterized in that: the periphery of the non-tooth bar in top of said piston rod (5) and fairlead (3) inwall are slidingly matched; Middle part boss (14) side face cooperates with cylinder block (7) inwall glade plane space, and is provided with sealing ring; Afterbody plug (15) cooperates with oil outlet (16) the inwall glade plane space of lower bottom cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102062855A CN102699404A (en) | 2012-06-21 | 2012-06-21 | Hydraulic cutter lifting and relieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102062855A CN102699404A (en) | 2012-06-21 | 2012-06-21 | Hydraulic cutter lifting and relieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102699404A true CN102699404A (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102062855A Pending CN102699404A (en) | 2012-06-21 | 2012-06-21 | Hydraulic cutter lifting and relieving mechanism |
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| CN (1) | CN102699404A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856835A (en) * | 2018-07-27 | 2018-11-23 | 徐州昊隆工具有限公司 | A kind of planer head for processing long deep trouth |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2622744A1 (en) * | 1976-05-21 | 1977-11-24 | Wabco Westinghouse Gmbh | Tooth play adjuster in pneumatic or hydraulic motors - has pressure rod which engages in gear and which is moved by pistons in tubes |
| CN1077147A (en) * | 1992-12-24 | 1993-10-13 | 张瑞龙 | Reciprocal three planings of carpenter and metal two-way planing multiple purpose aeroplane |
| CN102108990A (en) * | 2010-07-23 | 2011-06-29 | 三一重工股份有限公司 | Hydraulic cylinder and related devices thereof, hydraulic buffer system, excavator and concrete pump truck |
| CN202667767U (en) * | 2012-06-21 | 2013-01-16 | 无锡华联科技集团有限公司 | Hydraulic cutter lifting and relieving mechanism |
-
2012
- 2012-06-21 CN CN2012102062855A patent/CN102699404A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2622744A1 (en) * | 1976-05-21 | 1977-11-24 | Wabco Westinghouse Gmbh | Tooth play adjuster in pneumatic or hydraulic motors - has pressure rod which engages in gear and which is moved by pistons in tubes |
| CN1077147A (en) * | 1992-12-24 | 1993-10-13 | 张瑞龙 | Reciprocal three planings of carpenter and metal two-way planing multiple purpose aeroplane |
| CN102108990A (en) * | 2010-07-23 | 2011-06-29 | 三一重工股份有限公司 | Hydraulic cylinder and related devices thereof, hydraulic buffer system, excavator and concrete pump truck |
| CN202667767U (en) * | 2012-06-21 | 2013-01-16 | 无锡华联科技集团有限公司 | Hydraulic cutter lifting and relieving mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 顾松石: "刨床液压高抬刀装置", 《机床》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856835A (en) * | 2018-07-27 | 2018-11-23 | 徐州昊隆工具有限公司 | A kind of planer head for processing long deep trouth |
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Application publication date: 20121003 |