CN201405221Y - Center-frame drive mechanism of large turning and milling combined processing center - Google Patents
Center-frame drive mechanism of large turning and milling combined processing center Download PDFInfo
- Publication number
- CN201405221Y CN201405221Y CN2009200124988U CN200920012498U CN201405221Y CN 201405221 Y CN201405221 Y CN 201405221Y CN 2009200124988 U CN2009200124988 U CN 2009200124988U CN 200920012498 U CN200920012498 U CN 200920012498U CN 201405221 Y CN201405221 Y CN 201405221Y
- Authority
- CN
- China
- Prior art keywords
- slide block
- dovetail guide
- tractor
- centre frame
- tooth bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a center-frame drive mechanism of a large turning and milling combined processing center, which is installed on a large-sized five-axle turning and milling combined processing machine tool, and is provided with an electrical part, a hydraulic part and a control part, which correspond to the systems on the machine tool, and is characterized in that a fixed dovetail guide rail is installed on a machine tool body, wherein a motor drive mechanism is arranged at a number I station, a locking rack mechanism is arranged at a number II station, a dovetail guide rail sliding block with a rack is arranged at a number III station, and a dovetail guide rail sliding block with a plughole is arranged at a number IV station. The most end of the dovetail guide rail is providedwith an overtravel alarming device and an overtravel link stopper and a zero reset switch of the drive mechanism; and a plugging pin which is driven by an oil cylinder is arranged on a center frame.Five crucial technical problems are solved, i.e. the mounting form of the dovetail guide rail, the connection way of the center frame and the guide rail, the power drive of the drive mechanism, the joining of the dovetail guide rail sliding blocks and the movement and the positioning of a second main shaft box.
Description
Technical field
The utility model relates to mechanical production devices, the centre frame tractor on the large-scale turnning and milling Compositions of metal-working machines in the lathe.
Background technology
Usually dispose a plurality of centre frames on the large-scale turnning and milling Compositions of metal-working machines, centre frame quantity is nearly tens when supporting than farm labourer's part, to realize the processing of different workpieces.Centre frame has two kinds usually at the move mode on the lathe bed: a kind of is to install and fix tooth bar on lathe bed, and the motor driven gear on the centre frame rotates, and with the tooth bar engagement, realizes centre frame moving on lathe bed; Another kind of mode is that a rhizoid thick stick is installed on lathe bed, and a folding screw is installed on each centre frame, relies on the rotation of leading screw and each screw and realizes the mobile of centre frame cooperating of leading screw.These two kinds of centre frame move modes all exist the high shortcoming of cost, and in addition, accessory structure volumes such as drive motors of installing on the centre frame or folding screw are bigger, can't realize the closely layout of centre frame.For processing than farm labourer's part, closely arranging of centre frame for realizing that the high pulling torque cutting is very necessary, therefore, the centre frame mobile device that needs a kind of with low cost, convenient and swift, compact conformation of design, shorten the relative distance that centre frame is asked as far as possible, satisfy process requirements in particular cases.
Summary of the invention
The purpose of this utility model provides a kind of centre frame tractor of large-scale turnning and milling Compositions of metal-working machines, is equipped in large-scale 5-axle car and mills on the Compositions of metal-working machines, realizes that a plurality of centre frames move quickly and easily.
The centre frame tractor of large-scale turnning and milling Compositions of metal-working machines, being equipped in large-scale 5-axle car mills on the composite processing machine tool, and supporting electric, hydraulic pressure, control section and the corresponding combination of the system on the lathe arranged, it is characterized in that on bed piece, installing and fixing dovetail guide, I establishes motor-driven mechanism in the position, II establishes the position locking rack mechanism, and III establishes the position dovetail guide slide block that has tooth bar, and IV establishes the position dovetail guide slide block that has pin hole; Least significant end at dovetail guide is provided with excess of stroke warning device 23 and overtravel collision block 24, be provided with zero switch that returns of tractor in the output gear side of driving mechanism, in locking rack mechanism, be provided with locking and throw off two signaling switches, in the centre frame structure, be provided with the latch of hydraulic oil cylinder driving, in the second main spindle box structure, be provided with the tooth bar retaining mechanism.
The design's tractor is used in large-scale 5-axle car and mills on the Compositions of metal-working machines lathe, realize the locomotive function of a plurality of centre frames and second main spindle box, solved five key problem in technology problems, promptly the splicing of the power drive of the interface mode of the installation form of dovetail guide, centre frame and guide rail slide block, tractor, dovetail guide slide block, second main spindle box moves and the location.
The design's dovetail guide can limit five frees degree, and both three rotational freedoms and two one-movement-freedom-degrees no matter be to realize moving of the centre frame and second main spindle box like this, were still realized the fixing of second main spindle box, had all simplified project organization greatly.
Centre frame normally installs and fixes tooth bar in moving on the lathe bed on lathe bed, the motor driven gear axle rotation on the centre frame with the tooth bar engagement, realizes centre frame moving on lathe bed.The design's creativeness has been to use the principle of relative motion, and tooth bar is mobile by fixedly changing into, drags centre frame and moves the position adjustment that realizes centre frame thereby laterally moved by driven by servomotor dovetail rack slide.
Description of drawings
Fig. 1 is the location drawing of tractor on lathe bed;
Fig. 2 is that guide rail is arranged and centre frame interface schematic diagram;
Fig. 3 is the power drive schematic diagram of tractor;
Fig. 4 is a tractor locking device schematic diagram;
Fig. 5 is the splicing schematic diagram of dovetail guide slide block;
The specific embodiment
The centre frame tractor of large-scale turnning and milling Compositions of metal-working machines is contained in large-scale 5-axle car and mills on the composite processing machine tool, and supporting electric, hydraulic pressure, control section and the corresponding combination of the system on the lathe are arranged, and it is characterized in that mechanical part comprises following five aspects:
1. the installation form of dovetail guide
As can be seen from Figure 2: dovetail guide 2 is fixed on the lathe bed 28 by screw, and in order to make its installation more reliable, the inclined-plane by wedge 3 front ends cooperates with the inclined-plane of dovetail guide 2 upper ends leans against on lathe bed 28 end faces guide rail 2.The shape of pressing plate 4 is identical with notch geometry between slide block 1 and the dovetail guide 2, pressing plate 4 is connected by screw with slide block 1 and is moving with slide block 1, be equipped with in the screwed hole of pressing plate 4 and adjust screw 26, the panel 25 that floats is housed between the last side rails of pressing plate 4 and dovetail guide 2, by adjusting the fit clearance that screw 26 is regulated panel and dovetail guide 2, the slide block 1 that has pressing plate 4 can slide on dovetail guide 2, is stained with the guide rail plate on three working faces of dovetail guide 2 and carries out match grinding, processing oil duct realization lubricating guide rail 2.
2. the interface mode of centre frame and slide block
Be being connected of centre frame 27 and 1 of slide block to cooperate with notch on the slide block 1 and realize by the latch on the centre frame 27 6, have notch on the left side facade of slide block 1, when needing follow rest 27, slide block 1 begins to move, when the notch on the slide block 1 moves on to below near switch 5, switch 5 sends signal, and slide block 1 stops; The latch 6 that hydraulic jack drives on the centre frame 27 stretches out the notch space that enters on the slide block (1); When slide block 1 begins just to drag centre frame 27 to destination locations when mobile once more; Latch 6 on the centre frame 27 is withdrawn under hydraulic-driven, and slide block 1 returns dead-center position; Whole process has just been finished the position adjustment of centre frame 27 on lathe bed 28.
3. the power drive of tractor
As Fig. 1, shown in Figure 3, the power resources of tractor are in the servomotor 7 that is installed on the I position.Servomotor 7 connects reductor 8, gear 10 is installed on the decelerator 8, gear 10 is pressed reduction of speed than engagement in 1: 1 by gear 11, power is transferred to gear shaft 12, gear shaft 12 drives laterally moving of slide block 1 with slide block tooth bar 14 engagements that are installed on the dovetail guide 2, drags centre frame 27 by structure shown in Figure 1.Finish after the moving an of centre frame 27, the rolling piece on the slide block tooth bar 14 moves to the below near switch 13, and switch 13 sends signals, shows that the slide block tooth bar turns back to dead-center position.Output gear shaft 12 is adjusted by screw 9 with the fit clearance of slide block tooth bar 14.
4. second main spindle box moves and the location
Tractor is provided with the tooth bar retaining mechanism in the II position, mainly comprise oil cylinder piston 15, base 16 and 17 3 main parts of short tooth bar, as Fig. 1, shown in Figure 4.Base 16 is directly installed on the lathe bed 28, its built-in a plurality of oil cylinders, piston 15 is connected by the T type groove structure with short tooth bar 17, piston 15 is reciprocating in oil cylinder under hydraulic-driven, stretching of the short tooth bar 17 of control, when short tooth bar 17 stretches out,, reach the purpose of locking tractor with the tooth bar engagement on the slide block 18.When second main spindle box needs were mobile, the locking rack on it stretched out under hydraulic-driven, and the slide block tooth bar engagement on (locking rack is not in this structure) locking rack and the dovetail guide relies on the servomotor 7 of tractor to drag it to assigned address; Second main spindle box is in working order the time, the locking rack on it same with slide block on the tooth bar engagement, the locking device in the tractor is locked tractor, reaches the purpose of fixing second main spindle box.
5. the splicing between the dovetail slide block
Because mechanism head, the splicing precision of multistage tooth bar and rigidity seem particularly important.As shown in Figure 5, two adjacent sliders tooth bars 20 of tractor and step of 22 end processing, two adjacent tooth bar steps snap over together mutually, and when splicing, each slide block tooth bar 20 and 22 adjacent regions add adjusting pad 19 and adjusting pad 21 is finished splicing.Adjusting pad 19 is used for adjusting the whole number of teeth of tooth bar splicing, and adjusting pad 21 is used for strengthening the splicing rigidity.
In the design, the driving of tractor relies on the servomotor that is installed on the lathe bed side supports to finish, and servomotor drives the output gear rotation, and the tooth bar engagement on output gear and the dovetail guide slide block drives the dovetail slide block and realizes laterally moving.Centre frame needs when mobile, and the hydraulic oil cylinder driving latch stretches out, and cooperates with pin clamp on the dovetail slide block, along with moving of slide block realized the mobile of self; When second main spindle box needs were mobile, the locking rack on it stretched out under hydraulic-driven, with the tooth bar engagement on the dovetail slide block, relied on the servomotor of tractor to drag it to assigned address; Second main spindle box is in working order the time, the locking rack on it same with slide block on tooth bar mesh, the locking rack in the tractor strains at actuation mechanism with dovetail slide block tooth bar engaging lock under hydraulic-driven, reach the purpose of fixing second main spindle box; When the needs follow rest, the locking rack on second main spindle box will be thrown off with the slide block tooth bar under hydraulic-driven.
Claims (5)
1, the centre frame tractor of large-scale turnning and milling Compositions of metal-working machines, being equipped in large-scale 5-axle car mills on the composite processing machine tool, and supporting electric, hydraulic pressure, control section and the corresponding combination of the system on the lathe arranged, it is characterized in that on bed piece, installing and fixing dovetail guide, I establishes motor-driven mechanism in the position, II establishes the position locking rack mechanism, III establishes the position dovetail guide slide block that has tooth bar, IV establishes the position dovetail guide slide block that has pin hole, is provided with excess of stroke warning device (23) and stroke collision block (24) at the least significant end of dovetail guide; Be provided with zero switch that returns of tractor in the output gear side of driving mechanism; In the locking rack device of tractor, be provided with locking and throw off two signaling switches; In the centre frame structure, be provided with the latch of hydraulic oil cylinder driving.
2, the centre frame tractor of large-scale turnning and milling Compositions of metal-working machines according to claim 1, the installation form that it is characterized in that dovetail guide: dovetail guide (2) is fixed on the lathe bed (28) by screw, and the inclined-plane by wedge (3) front end cooperates with the inclined-plane of dovetail guide (2) upper end guide rail (2) is leaned against on lathe bed (28) end face; The shape of pressing plate (4) is identical with notch geometry between slide block (1) and the dovetail guide (2), pressing plate (4) is connected by screw with slide block (1) and is moving with slide block (1), be equipped with in the screwed hole of pressing plate (4) and adjust screw (26), unsteady panel (25) is housed between the last side rails of pressing plate (4) and dovetail guide (2), regulate the fit clearance of panel and dovetail guide (2) by adjusting screw (26), the slide block (1) that has pressing plate (4) can be gone up slip at dovetail guide (2), is stained with the guide rail plate on three working faces of dovetail guide (2) and carries out match grinding, the processing oil duct is realized lubricating dovetail guide (2).
3, the centre frame tractor of large-scale turnning and milling Compositions of metal-working machines according to claim 1, the interface mode that it is characterized in that centre frame and slide block: have notch on the left side facade of slide block (1), slide block (1) begins to move when needing follow rest (27), when the notch on the slide block (1) moves on to below near switch (5), switch (5) sends signal, and slide block (1) stops; The latch (6) that hydraulic jack drives on the centre frame (27) stretches out the notch space that enters on the slide block (1); When slide block (1) begins just to drag centre frame (27) to destination locations when mobile once more; Latch (6) on the centre frame (27) is withdrawn under hydraulic-driven, and slide block (1) returns dead-center position; Whole process has just been finished the position of a centre frame (27) on lathe bed (28) and has been adjusted.
4, the centre frame tractor of large-scale turnning and milling Compositions of metal-working machines according to claim 1, it is characterized in that in the II position, being provided with the tooth bar retaining mechanism, base (16) is directly installed on the lathe bed (28), its built-in a plurality of oil cylinders, the piston of oil cylinder (15) is connected by the T type groove structure with short tooth bar (17) and controls and lack the flexible of tooth bar (17), when short tooth bar (17) when stretching out with the engagement of the tooth bar on the slide block (18), lock tractor; Second main spindle box needs when mobile, and the locking rack on it stretches out under hydraulic-driven, with the tooth bar engagement on the dovetail slide block, drags it to assigned address by the servomotor (7) of tractor; Second main spindle box is in working order the time, the locking rack on it same with slide block on tooth bar mesh, the locking device in the tractor is locked tractor, to fix second main spindle box.
5, the centre frame tractor of large-scale turnning and milling Compositions of metal-working machines according to claim 1, it is characterized in that splicing the position, two adjacent sliders tooth bars (20) and step of 22 end processing, when splicing, the tooth bar step of two adjacent sliders tooth bars (20) and (22) snaps over together mutually, and adds adjusting pad (19) and adjusting pad (21); Adjusting pad (19) is used for adjusting the whole number of teeth of tooth bar splicing, and adjusting pad (21) is used for strengthening the splicing rigidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200124988U CN201405221Y (en) | 2009-03-27 | 2009-03-27 | Center-frame drive mechanism of large turning and milling combined processing center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200124988U CN201405221Y (en) | 2009-03-27 | 2009-03-27 | Center-frame drive mechanism of large turning and milling combined processing center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201405221Y true CN201405221Y (en) | 2010-02-17 |
Family
ID=41676143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200124988U Expired - Lifetime CN201405221Y (en) | 2009-03-27 | 2009-03-27 | Center-frame drive mechanism of large turning and milling combined processing center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201405221Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836068A (en) * | 2014-01-21 | 2014-06-04 | 燕山大学 | Stepless accurate positioning and locking device for large-scale heavy-load guide-rail type mobile platform |
| CN106996869A (en) * | 2017-05-27 | 2017-08-01 | 北京中汽寰宇机动车检验中心有限公司 | The retracting power experimental rig and method of automobile safety Webbing retractor |
| CN107520633A (en) * | 2017-07-21 | 2017-12-29 | 宁波海天精工股份有限公司 | A kind of programmable automatic center frame |
-
2009
- 2009-03-27 CN CN2009200124988U patent/CN201405221Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836068A (en) * | 2014-01-21 | 2014-06-04 | 燕山大学 | Stepless accurate positioning and locking device for large-scale heavy-load guide-rail type mobile platform |
| CN103836068B (en) * | 2014-01-21 | 2016-03-02 | 燕山大学 | The stepless accurate positioning locking device of large-scale heavy duty mobile platform guide rail class |
| CN106996869A (en) * | 2017-05-27 | 2017-08-01 | 北京中汽寰宇机动车检验中心有限公司 | The retracting power experimental rig and method of automobile safety Webbing retractor |
| CN106996869B (en) * | 2017-05-27 | 2023-08-29 | 中机寰宇认证检验股份有限公司 | Device and method for testing winding force of motor vehicle safety belt winding device |
| CN107520633A (en) * | 2017-07-21 | 2017-12-29 | 宁波海天精工股份有限公司 | A kind of programmable automatic center frame |
| CN107520633B (en) * | 2017-07-21 | 2023-06-30 | 宁波海天精工股份有限公司 | Automatic centre frame of programmability |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103507537B (en) | A kind of four axle solid carving machines | |
| CN201405221Y (en) | Center-frame drive mechanism of large turning and milling combined processing center | |
| CN204179920U (en) | Linear electric motors module | |
| CN201070638Y (en) | Edge milling device of rough rolling edger mill | |
| CN201692994U (en) | Rolling mill capable of being switched between horizontal and vertical states | |
| CN104044510A (en) | Electrically-folded outside rear-view mirror for passenger car | |
| CN207839880U (en) | A kind of steel plate punching apparatus | |
| CN201573970U (en) | Movable prying body positioning device | |
| CN103009072B (en) | Direct driving motor slide unit supports the movable gantry milling-boring machine be integrated with self-locking | |
| CN200954691Y (en) | Hydraulic machine with safety protection device | |
| CN202438710U (en) | Numerical-control deep hole boring machine for machining motor base | |
| CN102189432A (en) | Transverse transmission mechanism of numerically controlled drilling and milling machine | |
| CN202684234U (en) | Rotary working table for numerically controlled tooth-punching machine of large cylindrical gear | |
| CN200960620Y (en) | Feeding mechanism for digital control gear milling machine | |
| CN204869760U (en) | Plane press | |
| CN204868118U (en) | Carpenter's machine with novel guide rail | |
| CN202062927U (en) | CNC (computerized numerical control) engraving and milling machine | |
| CN205253812U (en) | Reaming flanger of pneumatic actuator spring | |
| CN205271703U (en) | Big layer board actuating mechanism of numerically control grinder | |
| CN202377788U (en) | Numerical control milling machine | |
| CN201950472U (en) | Workbench exchange mechanism | |
| CN102172789A (en) | Machine tool for processing screw of compressor | |
| CN201833221U (en) | Machine tool with combined functions of jacking and boring | |
| CN203995961U (en) | Passenger car electric retractable outer mirror | |
| CN202763657U (en) | Grinding carriage assembly of numerically-controlled crankshaft following-up grinding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171206 Address after: 110042 the development zone of Shenyang economic and Technological Development Zone, Shenyang, Shenyang, Liaoning Province, No. 17 A No. 1-2 Patentee after: Shenyang machine tool (Group) Co., Ltd. precision NC Machine Tool Branch Company Address before: 110142 the development zone of Shenyang Economic Development Zone, Shenyang, Liaoning Province, No. 1, No. 1 Patentee before: Shenyang Machine Tools Plant No. 1 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100217 |
|
| CX01 | Expiry of patent term |