CN202667669U - Numerical-control lathe - Google Patents
Numerical-control lathe Download PDFInfo
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- CN202667669U CN202667669U CN 201220269978 CN201220269978U CN202667669U CN 202667669 U CN202667669 U CN 202667669U CN 201220269978 CN201220269978 CN 201220269978 CN 201220269978 U CN201220269978 U CN 201220269978U CN 202667669 U CN202667669 U CN 202667669U
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- motor
- lead screw
- numerically controlled
- lathe
- cross lead
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Abstract
The utility model relates to a numerical-control lathe. The numerical-control lathe comprises a lathe body, a spindle box, a screw rod device and a carriage device, wherein the spindle box comprises a spindle, the spindle box, the screw rod device and the carriage device are mounted on the lathe body, and the screw rod device comprises a transverse screw rod and a transverse screw rod motor. The numerical-control lathe is characterized in that the spindle box is provided with an equipment mounting cavity, the transverse screw rod motor is mounted in the equipment mounting cavity, the transverse screw rod motor is connected with the transverse screw rod, and an axis of a motor shaft of the transverse screw rod motor shares the same straight line with an axis of the transverse screw rod. The numerical-control lathe is reasonable in structure design, good in protective performance, and high in transmission efficiency and producing precision.
Description
Technical field
The utility model relates to a kind of lathe, especially relates to a kind of numerically controlled lathe, belongs to the mechanized equipment field.
Background technology
The primary structure of tradition lathe comprises power section (driving main motor), running part (belt pulley, belt), speed governing part (gear pair, shift fork etc.), mechanical main shaft part (main shaft, chuck), feeding part (saddle, middle carriage, upper slide rest, screw mandrel, handwheel, knife rest) and tailstock part etc.Bed ways expose, and vertically middle lead screw is installed, and install in the cross lead screw lathe bed outside, and bed ways, cross lead screw do not have good safeguard procedures.
In recent years, because the development and application of Numeric Control Technology, people adopt step/servo motor to drive to the motion process of cutting tool, thereby have realized automatic numerical control programme-control processing, are elementary numerically controlled lathe.
And then, main shaft power and speed governing part to lathe improve, had again AC servo, variable-frequency motor and multispeed electric machine to replace asynchronous machine, applying encoder has been realized the programme-control to spindle speed, has omitted all or part of gear pair and shift fork etc.
Afterwards, people were again with the mid-installation of cross lead screw, and drive motors is contained in respectively the outer two ends of lathe bed, and the lathe bed left end is installed the length that has increased screw mandrel, has reduced the precision of horizontal processing; Right-hand member is installed the motion that has changed cross lead screw and is subjected to force direction, and is stressed unreasonable, reduced horizontal machining accuracy.Changed screw mandrel lathe bed outside mounting structure, avoid occurring original lathe bed outside the phenomenon that screw mandrel brings asymmetric power is installed, eliminate screw mandrel and be subjected to inclined to one side power situation easy to wear, but, increased the length of screw mandrel, and the motion of irrational screw mandrel screw is subjected to force direction, owing to increased screw mandrel length, thus increased the cost of screw mandrel; Because irrational screw mandrel screw motion is subjected to force direction, thereby has reduced the machining accuracy of lathe.
Then, people explore the various schemes that proposed, spindle drive has been carried out further improvement, electric main shaft has been arranged again, from and reduced the vibration that running part brings to lathe, improved the machining accuracy of lathe, belt and the belt pulley of spindle drive part have been omitted, guide ways on lathe bed has been added various easy protection, existing guide rail, cross lead screw front end protective cover mostly is greatly accordion structure, although improved to a certain extent guide rail, the service life of screw mandrel and the machining accuracy of lathe, but cross lead screw journey controllers etc. also are mounted in outside the lathe bed, be subject to easily cutting the infringement with cutting fluid, protection effect is not good, in addition, and such guide rail, the complex structure of cross lead screw front end protective cover, and fragile, service life is shorter.
Lathe is bulky although technique scheme has solved to a certain extent, and machining accuracy is lower, and transmission process is complicated, and do not have the problems such as safeguard function, still, lathe still exists volume larger, manufacturing cost is high, and barrier propterty is poor, designs the technical problems such as unreasonable.
The utility model content
The purpose of this utility model is to overcome above shortcomings in the prior art, and a kind of reasonable in design is provided, and barrier propterty is good, and transmission efficiency is high, the numerically controlled lathe that machining accuracy is high.
The technical scheme in the invention for solving the above technical problem is: this numerically controlled lathe comprises the body of lathe bed, main spindle box, lead screw device and carriage device, described main spindle box comprises main shaft, described main spindle box, lead screw device and carriage device all are installed on the body of lathe bed, described lead screw device comprises cross lead screw and cross lead screw motor, its design feature is: described main spindle box is provided with the equipment installation cavity, described cross lead screw motor is installed in the equipment installation cavity, this cross lead screw motor is connected with cross lead screw, and the axis of motor shaft and the axis of cross lead screw are located on the same line in the described cross lead screw motor.Thus so that compact conformation of the present utility model, cross lead screw and cross lead screw motor can be point-blank, reduced diametrically stressed of cross lead screw, cross lead screw vibrations have in the course of the work been reduced, improve the machining accuracy of numerically controlled lathe, increased the service life of cross lead screw motor, shortened the length of cross lead screw, save the attaching parts of cross lead screw and cross lead screw motor, reduced cost.
As preferably, carriage device described in the utility model comprises saddle, middle carriage and two protective covers, and described middle carriage is installed on the saddle, and described two protective covers are installed in respectively the front-end and back-end of saddle.So that barrier propterty of the present utility model is better, no matter which position saddle moves in the horizontal thus, and two protective covers can effectively protect the parts such as cross lead screw, and barrier propterty is better.
As preferably, main spindle box described in the utility model also comprises encoder and controller, and the described body of lathe bed also comprises spindle motor, and this spindle motor links to each other with main shaft, and described encoder and main shaft match, and described encoder and spindle motor all are electrically connected with controller.So that the angular displacement that the main shaft in the utility model main spindle box rotates can be transformed into the signal of telecommunication, more be conducive to realize controller to the accurate control of spindle motor thus, improve machining accuracy.
As preferably, be provided with a slip slide rail on the body of lathe bed described in the utility model, be provided with sliding tray on the described carriage device, this sliding tray and slip slide rail match.Thus so that the carriage device in the utility model can in the slip slide rail, slide, because the difficulty of processing of two or more parallel slip slide rails is large, in case two or more slip slide rail depth of parallelisms are inadequate, will increase the wearing and tearing between slip slide rail and the sliding tray, reduce service life.
As preferably, the body of lathe bed described in the utility model also comprises motor mount, described spindle motor is installed on the motor mount, this motor mount comprises base plate, locating support mechanism, regulates bracket institution and motor base, described spindle motor is installed on the motor base, one end and the locating support mechanism of described motor base are rotationally connected, the other end of this motor base and adjusting bracket institution are flexibly connected, have groove on the described base plate, described locating support mechanism is fixed on the base plate, and described adjusting bracket institution is fixed on the base plate.So that the utility model can be regulated the position relationship between spindle motor and the main shaft easily, motor shaft and the main shaft effectively controlled in the spindle motor parallel thus, reduce vibrations, prolong the service life of spindle motor.
As preferably, numerically controlled lathe described in the utility model also comprises tail frame device, and described tail frame device is installed on the body of lathe bed, and described tail frame device is provided with the protection chamber, and this protection chamber and lathe bed rear defence guard shield match.Thus so that the protective cover in the utility model can pass the protection chamber, when tail frame device in work time, carriage device can also be mobile at the body of lathe bed, protective cover can also be protected the parts such as cross lead screw motor.
As preferably, protective cover matches before equipment installation cavity described in the utility model and the lathe bed.Thus so that the protective cover in the utility model can extend in the equipment installation cavity, thereby the equipment in the safeguard installation cavity such as the cross lead screw motor etc., promotes barrier propterty greatly.
As preferably, lathe base described in the utility model also comprises sieve plate, becomes 20-70 degree angle between this sieve plate and the horizontal plane.Thus so that the sieve plate in the utility model has the cutting fluid that will produce in the process and the metal object of cutting is separated, be convenient to reclaim metal object, also be convenient to cutting fluid is processed, become 20-70 degree angle between sieve plate and the horizontal plane, can guarantee that cutting fluid is past dirty under Action of Gravity Field along sieve plate, be convenient to collect.
As preferably, the top of protective cover described in the utility model is for falling " V " character form structure.Thus so that the protective cover in the utility model has self-cleaning function, cutting fluid in the process can flow away along falling the protective cover hypotenuse of " V " character form structure, in addition, can also be so that the chip that produces in the working angles be drained convenient the collection and recycling under the effect of gravity and cutting fluid.
The utility model compared with prior art has the following advantages and effect: structural design is compact, reasonable, and performance safety is reliable, and machining accuracy is high, is conducive to energy-conserving and environment-protective.Cross lead screw and cross lead screw motor can be point-blank, reduced diametrically stressed of cross lead screw, alleviate cross lead screw vibrations in the course of the work, improved the machining accuracy of numerically controlled lathe, increased the service life of cross lead screw motor, shorten the length of cross lead screw, saved the attaching parts of cross lead screw and cross lead screw motor, reduced cost.
Main shaft in the utility model can link to each other with the motor shaft of spindle motor by belt or chain etc., spindle motor is positioned at the below of main spindle box, shortened the length of the attaching parts of belt or chain etc., improved transmission efficiency, vibrations have been reduced, improve the service life of equipment, also made things convenient for the installation of the drive disk assemblies such as belt or chain.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of the numerically controlled lathe among the utility model embodiment 1.
Fig. 2 is the plan structure schematic diagram of the numerically controlled lathe among the utility model embodiment 1.
Fig. 3 is the right TV structure schematic diagram of the numerically controlled lathe among the utility model embodiment 1.
Fig. 4 is the sectional structure schematic diagram of the numerically controlled lathe among the utility model embodiment 1.
Fig. 5 is the sectional structure schematic diagram of the numerically controlled lathe among the utility model embodiment 1.
Fig. 6 is the cross-sectional schematic of Fig. 3.
Fig. 7 is the perspective view of the numerically controlled lathe among the utility model embodiment 1.
Fig. 8 is the perspective view of another angle of the numerically controlled lathe among the utility model embodiment 1.
Fig. 9 is the main TV structure schematic diagram of the numerically controlled lathe among the utility model embodiment 2.
Figure 10 is the right TV structure schematic diagram of the numerically controlled lathe among the utility model embodiment 2.
Figure 11 is the plan structure schematic diagram of the numerically controlled lathe among the utility model embodiment 2.
Figure 12 is the cross-sectional schematic of the numerically controlled lathe among the utility model embodiment 2.
Figure 13 is the cross-sectional schematic of the numerically controlled lathe among the utility model embodiment 2.
Figure 14 is the partial schematic sectional view of the numerically controlled lathe among the utility model embodiment 2.
Figure 15 is the perspective view of the numerically controlled lathe among the utility model embodiment 2.
Figure 16 is the perspective view of another angle of the numerically controlled lathe among the utility model embodiment 2.
Figure 17 is the structural representation of the tail frame device among the utility model embodiment 1 and the embodiment 2.
Figure 18 is the structural representation of the motor mount among the utility model embodiment 1 and the embodiment 2.
Figure 19 is the part-structure schematic diagram of the motor mount among the utility model embodiment 1 and the embodiment 2.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Referring to Fig. 1 to Fig. 8 and Figure 17 to Figure 19, the numerically controlled lathe in the present embodiment comprises the body of lathe bed 1, main spindle box 2, lead screw device 3, carriage device 4 and tail frame device 5.
The body of lathe bed 1 in the present embodiment comprises spindle motor 11, motor mount 12 and sieve plate 13, and this body of lathe bed 1 is provided with a slip slide rail 14 and a spindle motor installation cavity 15.Motor mount 12 in the present embodiment comprises base plate 121, locating support mechanism 122, regulates bracket institution 123 and motor base 124, wherein, regulate bracket institution 123 and comprise adjusting support 1231, adjusting rod 1232, regulate bracket pins 1233 and two adjusting nuts 1234, locating support mechanism 122 comprises locating support 1221 and locating support pin 1222.
The lower surface of regulating the upper surface of support 1231 and base plate 121 in the present embodiment is affixed the merga pass fixed screw and fixes, the lower end of regulating support 1231 and adjusting rod 1232 is rotationally connected by regulating bracket pins 1233, the left end of motor base 124 is provided with locating part, adjusting rod 1232 is sleeved in the locating part, two adjusting nuts 1234 all are sleeved on outside the adjusting rod 1232, wherein, an adjusting nut 1234 is positioned at the top of locating part, and another adjusting nut 1234 is positioned at the below of locating part.
The right-hand member of motor base 124 is rotatably installed on the locating support 1221 by locating support pin 1222 in the present embodiment, the two ends of locating support 1221 all have the adjusting groove, also have corresponding two base plates on the base plate 121 and regulate groove, the adjusting groove that base plate is regulated on groove and the locating support 1221 matches, and the fixed screw cross-under is regulated in the adjusting groove of groove and locating support 1221 at base plate.
Cross lead screw 31 in the present embodiment is connected with cross lead screw motor 32 by shaft joint, X-direction screw mandrel 33 is connected with X-direction lead screw motor 34 by shaft joint, cross lead screw motor 32 is installed in the equipment installation cavity 24, the axis of the axis of motor shaft and cross lead screw 31 point-blank in the cross lead screw motor 32, cross lead screw motor 32 can be directly with transmission of power to cross lead screw 31, reduced drive disk assembly, also shortened the length of cross lead screw 31, improve the positioning accuracy of carriage device 4, improved the machining accuracy of numerically controlled lathe.
Be provided with sliding tray 45 on the saddle in the present embodiment, be provided with slip slide rail 14 on the body of lathe bed 1, slip slide rail 14 and sliding tray 45 match, and saddle can slide at slip slide rail 14 by sliding tray 45.Middle carriage 41 in the present embodiment is movably arranged on the saddle, and middle carriage 41 can move along X-direction on saddle, and knife rest 43 is installed on the middle carriage 41.
The quantity of protective cover 44 can be one in the present embodiment, also can be two even polylith, if the quantity of protective cover 44 is two, then two protective covers 44 are installed in respectively the front-end and back-end of saddle, front end herein refers to saddle near an end of cross lead screw motor 32, and rear end herein refers to that saddle is away from an end of cross lead screw motor 32.Protective cover 44 in the present embodiment is not accordion structure, and protective cover 44 tops be shaped as inverted V character form structure, what the structure at protective cover 44 tops also can be in semicircle, arch, half elliptic and the rectangle in the utility model is a kind of or two or more combined.Match in protective cover 44 in the present embodiment and protection chamber 54, protective cover 44 and equipment installation cavity 24 match, and protective cover 44 can pass protection chamber 54, and protective cover 44 also can extend in the equipment installation cavity 24.
Be provided with external screw thread on the cross lead screw 31 in the present embodiment, be provided with internal thread on the saddle 42, external screw thread on the cross lead screw 31 and the internal thread on the saddle match, cross lead screw 31 rotations just can drive saddle and move, thereby realize controlling by the angular displacement of control cross lead screw motor 32 displacement of saddle, control carriage device 4 is at the horizontal displacement of the body of lathe bed 1.In like manner, be provided with external screw thread in the X-direction screw mandrel 33, be provided with internal thread on the middle carriage 41, the internal thread on the external screw thread on the X-direction screw mandrel 33 and the middle carriage 41 matches, by the displacement of control middle carriage 41 in X-direction.
When using, workpiece is clamped by grip device, this grip device can be hydraulically operated fixture device or air clamp device etc., then with the ejector pin mechanism 51 in the tail frame device 5 workpiece is fixed, start spindle motor 11, spindle motor 11 drives main shaft 21 rotations, main shaft 21 drives workpiece rotating, the control controller starts X-direction lead screw motor 34 and cross lead screw motor 32, knife rest 43 on the carriage device 4 is adjusted on the needed position, processes so that the position that needs on the cutter on the knife rest 43 and the workpiece to process contacts.
Referring to Fig. 9 to Figure 16, the numerically controlled lathe in the present embodiment is compared with the numerically controlled lathe among the embodiment 1, has lacked a tail frame device 5, other structure and annexation all with embodiment 1 in identical or close, so locate no longer to describe in detail.
In addition, need to prove, the specific embodiment described in this specification, the shape of its parts and components, institute's title of being named etc. can be different, and the above content described in this specification only is to the explanation of the utility model structure example.Allly conceive equivalence variation or the simple change that described structure, feature and principle are done according to the utility model patent, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (9)
1. numerically controlled lathe, comprise the body of lathe bed, main spindle box, lead screw device and carriage device, described main spindle box comprises main shaft, described main spindle box, lead screw device and carriage device all are installed on the body of lathe bed, described lead screw device comprises cross lead screw and cross lead screw motor, it is characterized in that: described main spindle box is provided with the equipment installation cavity, described cross lead screw motor is installed in the equipment installation cavity, this cross lead screw motor is connected with cross lead screw, and the axis of motor shaft and the axis of cross lead screw are located on the same line in the described cross lead screw motor.
2. numerically controlled lathe according to claim 1, it is characterized in that: described carriage device comprises saddle, middle carriage and two protective covers, and described middle carriage is installed on the saddle, and described two protective covers are installed in respectively the front-end and back-end of saddle.
3. numerically controlled lathe according to claim 1 and 2, it is characterized in that: described main spindle box also comprises encoder and controller, the lathe base also comprises spindle motor, this spindle motor links to each other with main shaft with belt pulley by belt, described encoder and main shaft match, and described encoder and spindle motor all are electrically connected with controller.
4. numerically controlled lathe according to claim 1 and 2, it is characterized in that: be provided with guide rail on the described body of lathe bed, be provided with guide-track groove on the described carriage device, this guide-track groove and lathe bed upper rail match.
5. numerically controlled lathe according to claim 1, it is characterized in that: the described body of lathe bed also comprises motor mount, described spindle motor is installed on the motor mount, this motor mount comprises base plate, locating support mechanism, regulate bracket institution and motor base, described spindle motor is installed on the motor base, one end and the locating support mechanism of described motor base are rotationally connected, the other end of this motor base and adjusting bracket institution are flexibly connected, have groove on the described base plate, described locating support mechanism is fixed on the base plate, and described adjusting bracket institution is fixed on the base plate.
6. numerically controlled lathe according to claim 2, it is characterized in that: described numerically controlled lathe also comprises tail frame device, and described tail frame device is installed on the body of lathe bed, and described tail frame device is provided with the protection chamber, and this protection chamber and lathe bed rear defence guard shield match.
7. numerically controlled lathe according to claim 2 is characterized in that: protective cover matches before described equipment installation cavity and the lathe bed.
8. numerically controlled lathe according to claim 2, it is characterized in that: described lathe base also comprises sieve plate, becomes 20-70 degree angle between this sieve plate and the horizontal plane.
9. numerically controlled lathe according to claim 2 is characterized in that: the top of described protective cover is for falling " V " character form structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220269978 CN202667669U (en) | 2012-06-10 | 2012-06-10 | Numerical-control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220269978 CN202667669U (en) | 2012-06-10 | 2012-06-10 | Numerical-control lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202667669U true CN202667669U (en) | 2013-01-16 |
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ID=47488602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220269978 Expired - Fee Related CN202667669U (en) | 2012-06-10 | 2012-06-10 | Numerical-control lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202667669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394709A (en) * | 2013-07-30 | 2013-11-20 | 无锡市协清机械制造有限公司 | Modified precision gang-tool numerical control lathe |
| CN103394718A (en) * | 2013-08-21 | 2013-11-20 | 苏州罗兰机电设备有限公司 | Engine lathe with spindle speed capable of being adjusted at any time |
-
2012
- 2012-06-10 CN CN 201220269978 patent/CN202667669U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394709A (en) * | 2013-07-30 | 2013-11-20 | 无锡市协清机械制造有限公司 | Modified precision gang-tool numerical control lathe |
| CN103394718A (en) * | 2013-08-21 | 2013-11-20 | 苏州罗兰机电设备有限公司 | Engine lathe with spindle speed capable of being adjusted at any time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20180610 |