CN201881181U - Main shaft servo clamping device for double-sided vehicle - Google Patents
Main shaft servo clamping device for double-sided vehicle Download PDFInfo
- Publication number
- CN201881181U CN201881181U CN2010206157973U CN201020615797U CN201881181U CN 201881181 U CN201881181 U CN 201881181U CN 2010206157973 U CN2010206157973 U CN 2010206157973U CN 201020615797 U CN201020615797 U CN 201020615797U CN 201881181 U CN201881181 U CN 201881181U
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- Prior art keywords
- clamp mechanism
- main shaft
- clamping device
- car owner
- processed
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- Expired - Lifetime
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Abstract
The utility model provides a main shaft servo clamping device for a double-sided vehicle, comprising a rotating main shaft in which parts to be processed can be placed, a synchronous wheel, a servo motor, a locking mechanism and a clamping mechanism, wherein the synchronous wheel is sheathed on the rotating main shaft, the locking mechanism locks the clamping mechanism and stops the clamping mechanism rotating, when the servo motor drives the rotating main shaft to rotate and the locking mechanism locks rotation of the clamping mechanism, the locking mechanism clamps or loosens the parts to be processed radially. In the clamping device, the servo motor controls the rotating main shaft to rotate, so as to achieve the purpose of clamping or loosening the parts to be processed, so that the role of the servo motor can be fully played, the phenomenon that the oil (gas) leakage caused by sealing abrasion which can happen possibly when an oil (gas) clamping mode is adopted is avoided, the rotating speed can be improved and the cutting speed can be accelerated; different parts deformed by stress can be clamped by adjusting the output torque of the servo motor; furthermore, the rotating speed of a selected bearing can be met.
Description
Technical field
The utility model relates to the Workpiece clamping device on a kind of lathe, particularly, relates to a kind of main axle servo clamping device that is applied to two-sided car.
Background technology
Turning attachment is the anchor clamps that being used for of using on lathe workpiece to be processed clamped.The clamping device structure of traditional machine tool generally all adopts manually-operated, its clamping troublesome poeration, inefficiency.And in the middle of the numerically controlled lathe that uses at present, clamping device has and adopts horizontal type to make bar, there is employing to make bar immediately, also have and adopt the angling cylinder structure, these three kinds of structures have had very big improvement than traditional manual structure, but also have the manufacturing cost height simultaneously, the shortcoming of operation effort, trouble more and more can not satisfy the automatically needs of processing of Digit Control Machine Tool.And the lathe of present two-sided turning form processing both domestic and external, more main shaft adopts oil (gas) to press and clamps, this mode causes leakage of oil (gas) phenomenon too high when main axis rotation speed or work long hours and all can cause oil (gas) sealing wear, makes lathe operate as normal for a long time.
A kind of improvement as existing turning attachment, for example Chinese patent application number has disclosed a kind of such structure for CN200720033551.3 " the tight hydraulic pressure centre frame of numerically controlled lathe double fastener ": the tight hydraulic pressure centre frame of a kind of numerically controlled lathe double fastener, it is characterized in that by briquetting, screw rod, bearing, holder, rest pad, the hydraulic pressure centre frame, screw rod, the centre frame base plate, screw rod and pressing plate are formed, two briquettings lay respectively at the slideway both sides of holder, screw rod passes the bearing that is positioned at upper end, holder axis and connects rest pad, each both sides that lay respectively at holder about the hydraulic pressure centre frame, holder is installed on the centre frame base plate, and the screw rod that is positioned at centre frame base plate front end passes pressing plate with the screw rod that is positioned at centre frame base plate middle-end by the centre frame base plate numerically controlled lathe centre frame is fixed in the body of lathe bed.Just there is above-mentioned defective in this patent.
In sum, the traditional lathe anchor clamps also can be further improved.
The utility model content
Technical problem to be solved in the utility model is the situation at prior art, a kind of can the clamping stress deformation different part is provided and can avoids sealing wear to cause the servo clamping device of two-sided car owner's axle of leakage of oil (gas) phenomenon.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the servo clamping device of a kind of two-sided car owner's axle, comprise that inside can place the rotary main shaft of part to be processed, it is characterized in that: also comprise synchronizing wheel, servomotor, trivial tight mechanism and clamp mechanism, described synchronizing wheel is sheathed on the described rotary main shaft, described servomotor drives described rotary main shaft by described synchronizing wheel and rotates, described clamp mechanism comprises left clamp mechanism and the right clamp mechanism that can radially clamp or radially unclamp part to be processed that is arranged on described rotary main shaft two ends, described retaining mechanism can the described clamp mechanism of locking rotate, it comprises left retaining mechanism and the right retaining mechanism that is arranged on the servo clamping device of two-sided car owner's axle both sides respectively with described left clamp mechanism and right clamp mechanism accordingly, when the described rotary main shaft of described driven by servomotor rotates and during the described clamp mechanism rotation of described retaining mechanism locking, described left clamp mechanism and right clamp mechanism radially clamp simultaneously or radially unclamp.
Preferably, described left clamp mechanism and right clamp mechanism include binding nut, collet and positioning sleeve, an end and its outside outer wall that described collet is arranged at described rotary main shaft are round table-like that the bottom surface radius increases laterally, described positioning sleeve be sheathed on the described collet and its outside inwall and described collet outside the round table-like of outer wall be complementary, the outer wall of described positioning sleeve is provided with screw thread, described binding nut is set on the described positioning sleeve and inwall is provided with and the described positioning sleeve screw thread that is complementary, the outside inwall of described binding nut is formed with an inwardly protruded clamping ring, described clamping ring is close to the outer end of described collet, and the direction of rotation of the screw thread of the binding nut of described left clamp mechanism and right clamp mechanism is opposite.
Preferably, described left retaining mechanism and right retaining mechanism include locking cylinder and latch segment, described locking cylinder is fixed on the servo clamping device of two-sided car owner's axle can the described latch segment of push-and-pull, rotation that can the corresponding binding nut of locking when described latch segment is released by described locking cylinder.
Further, the servo clamping device of two-sided car owner's axle comes the part different to be processed of clamping stress deformation by the moment of regulating described servomotor.
The rotation that the servo clamping device of the two-sided car owner's axle of the utility model is controlled rotary main shaft by servomotor reaches the mode of clamping and release part to be processed, give full play to the servomotor function, avoided adopting oil (gas) press clamping mode leakage of oil (gas) phenomenon of contingent sealing wear, and can improve rotating speed, accelerate cutting speed; Can also be by regulating the output torque of servomotor, make the different parts that the utility model can the clamping stress deformation; In addition, the utility model also can satisfy the rotary speed of selected bearing.
Description of drawings
Fig. 1 is the cutaway view of the servo clamping device of two-sided car owner's axle of the utility model embodiment;
Fig. 2 is the structural representation of the applied two-sided turning lathe of the servo clamping device of two-sided car owner's axle of the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Embodiment: as shown in Figures 1 and 2, the utility model relates to the servo clamping device of a kind of two-sided car owner's axle, it is applied on the numerically controlled lathe, especially be applied on the double-pole tower both-end lathe, as shown in Figure 2, this lathe mainly comprises lathe bed 1, main spindle box 3, feeder 5, cutter tower and delivering gear, and be divided into the workspace A that is positioned at the lathe front portion of mutual isolation and be positioned at the drive area B at lathe rear portion by dividing plate, main spindle box 3, feeder 5 and cutter tower are arranged among the A of workspace, delivering gear is arranged among the drive area B, the cutter tower is provided with towards the direction with main spindle box 3 axis normal, main spindle box 3 is arranged on the middle part of workspace A, the cutter tower comprises left-hand cutter tower 4 and the dextrad cutter tower 8 that is separately positioned on main spindle box 3 both sides, and delivering gear comprises that correspondence is arranged on the left-hand workbench 6 and the dextrad workbench 9 at left-hand cutter tower 4 and dextrad cutter tower 8 rear portions.
The servo clamping device of the two-sided car owner's axle of the utility model is arranged in the main spindle box 3 of above-mentioned lathe, it comprises rotary main shaft 17, synchronizing wheel 11, servomotor 2, retaining mechanism and clamp mechanism, can realize feeder 5 is transported to the clamping work of circle to be processed (side) the post part of main spindle box 3 by the servo clamping device of two-sided car owner's axle.
Rotary main shaft 17 inside are hollow, can by and place the part to be processed that feeder 5 is transported to main spindle box 3.
Synchronizing wheel 11 is sheathed on the rotary main shaft 17 and the servomotor 2 that is in transmission connection.
Servomotor 2 drives rotary main shaft 17 by synchronizing wheel 11 and rotates, and the servo clamping device of two-sided car owner's axle comes the part different to be processed of clamping stress deformation by the moment of regulating servomotor 2.
Clamp mechanism comprises left clamp mechanism and the right clamp mechanism that can radially clamp or radially unclamp part to be processed simultaneously, this left side clamp mechanism and right clamp mechanism are arranged on rotary main shaft 17 two ends, its structure is corresponding to, and be the two ends that are arranged on rotary main shaft 17 symmetrically, so when servomotor 2 drove rotary main shaft 17 rotations and the rotation of retaining mechanism locking clamp mechanism, left clamp mechanism and right clamp mechanism radially clamped simultaneously or radially unclamp.Left side clamp mechanism comprises left binding nut 14, left spring chuck 13 and left positioning sleeve 12, right clamp mechanism correspondence comprise right binding nut 20, right collet 21 and right positioning sleeve 22.
The left spring chuck 13 of left side clamp mechanism is arranged at an end of rotary main shaft 17 and its outside outer wall is round table-like that the bottom surface radius increases laterally, and left positioning sleeve 12 is sheathed on the left spring chuck 13 and its outside inwall and left spring chuck 13 the round table-like of outside outer wall are complementary.The outer wall of left side positioning sleeve 12 is provided with screw thread, left side binding nut 14 is set on the left positioning sleeve 12 and inwall is provided with and left positioning sleeve 12 screw thread that is complementary, the outside inwall of left side binding nut 14 is formed with an inwardly protruded left clamping ring, left side clamping ring is close to the outer end of left spring chuck 13, makes left binding nut 14 be the opening profile of tooth that left spring chuck 13 is locked in inside outwardly generally.When utilizing relative to rotary main shaft 17, rotates to the inside when moving by left binding nut 14, the left clamping ring of left side binding nut 14 is inwardly pushed left spring chuck 13, because left spring chuck 13 has tapering with the contact-making surface of left positioning sleeve 12, make left spring chuck 13 inwardly push part to be processed simultaneously, thereby finish the work that clamps part to be processed; Accordingly, when (left) outside left binding nut 14 directions moved, left spring chuck 13 outwards unclamped part to be processed.
The right binding nut 20 of right clamp mechanism, right collet 21 and right positioning sleeve 22 are arranged at the other end of rotary main shaft 17, its structure is identical with left clamp mechanism, and be symmetrically arranged, the direction of rotation of screw thread that is the right binding nut 20 of the left binding nut 14 of left clamp mechanism and right clamp mechanism is opposite, make when rotary main shaft 17 rotations, the left binding nut 14 of left side clamp mechanism and the right binding nut 20 of right clamp mechanism can move simultaneously to the inside or simultaneously laterally, thereby make left spring chuck 13 and right collet 21 can radially clamp or unclamp part to be processed simultaneously.
Retaining mechanism can the locking clamp mechanism rotate, and it comprises left retaining mechanism and the right retaining mechanism that is arranged on the servo clamping device of two-sided car owner's axle both sides respectively with left clamp mechanism and right clamp mechanism accordingly.Left side retaining mechanism comprises left locking cylinder 16 and left latch segment 15, left side locking cylinder 16 is fixed on the servo clamping device of two-sided car owner's axle can push-and-pull left side latch segment 15, rotation that can the corresponding left binding nut 14 of locking when left latch segment 15 is released by left locking cylinder 16.Accordingly, right retaining mechanism comprises right locking cylinder 18 and right latch segment 19, right locking cylinder 18 is fixed on the servo clamping device of two-sided car owner's axle can the right latch segment 19 of push-and-pull, rotation that can the corresponding right binding nut 20 of locking when right latch segment 19 is released by right locking cylinder 18.Described left locking cylinder 16 and right locking cylinder 18 can be cylinders, also can be oil cylinders.
Utilizing the utility model to treat processing parts, to clamp the course of work of work as described below:
At first, when left spring chuck 13 and right collet 21 open, will justify (side) post part to be processed by feeder 5 and send the center of main spindle box 3 to and position.
Then, drive synchronizing wheels 11 rotations on the main shafts 17 synchronously by servomotor 2, left locking cylinder 16 and right locking cylinder 18 advance left latch segment 15 and right latch segment 19 simultaneously, thereby pin left binding nut 14 and right binding nut 20 stops the rotation; (screw thread according to binding nut is determined direction of rotation to servomotor 2 clockwise at this moment, make the inside rotational slide of binding nut get final product) decide moment (in advance servomotor being set) rotation according to part pressurized deformation situation to be processed, under the driving of left-handed positioning sleeve 12 and dextrorotation positioning sleeve 22, left side binding nut 14 and right binding nut 20 all axially relatively move to the inside, promote left spring chuck 13 and right collet 21 clampings part to be processed.
At last, the clamping force for the treatment of processing parts when left clamp mechanism and right clamp mechanism is to a certain degree the time, because the effect of resistance, presets servomotor 2 stalls of moment, no longer drives rotary main shaft 17 simultaneously and is rotated; Left locking cylinder 16 locking cylinders and the right locking cylinder 18 left latch segments 15 of pulling and right latch segment 19 withdraw from and leave simultaneously, no longer include CONTACT WITH FRICTION with left binding nut 14 and right binding nut 20; Thereby finish the clamping work for the treatment of processing parts.
After the clamping work for the treatment of processing parts was finished, lathe utilized servomotor 2 to rotate once more and drives part rotation to be processed, and carries out part processing by lathe programming in advance, after follow procedure is treated processing parts and is machined, and servomotor 2 stall once more.
It is as described below to utilize the utility model to unclamp the course of work of part to be processed: left locking cylinder 16 locking cylinders and right locking cylinder 18 advance left latch segments 15 and right latch segment 19 to pin left binding nut 14 and right binding nuts 20, servomotor 2 drives rotary main shaft 17 and is rotated counterclockwise, thereby unclamp left binding nut 14 and right binding nut 20, its process is just in time treated processing parts to clamp the course of work of work opposite with above-mentioned.In the time of after unclamping part to be processed, feeder 5 is sent into new circle to be processed (side) post part and is released the part that processes, and can repeat above-mentioned clamping, processing work then.
Claims (4)
1. servo clamping device of two-sided car owner's axle, comprise that inside can place the rotary main shaft of part to be processed (17), it is characterized in that: also comprise synchronizing wheel (11), servomotor (2), retaining mechanism and clamp mechanism, described synchronizing wheel (11) is sheathed on the described rotary main shaft (17), described servomotor (2) drives described rotary main shaft (17) by described synchronizing wheel (11) and rotates, described clamp mechanism comprises left clamp mechanism and the right clamp mechanism that can radially clamp or radially unclamp part to be processed that is arranged on described rotary main shaft (17) two ends, described retaining mechanism can the described clamp mechanism of locking rotate, it comprises left retaining mechanism and the right retaining mechanism that is arranged on the servo clamping device of two-sided car owner's axle both sides respectively with described left clamp mechanism and right clamp mechanism accordingly, when described servomotor (2) drives that described rotary main shaft (17) rotates and during the described clamp mechanism rotation of described retaining mechanism locking, described left clamp mechanism and right clamp mechanism radially clamp simultaneously or radially unclamp.
2. the servo clamping device of two-sided car owner's axle according to claim 1, it is characterized in that: described left clamp mechanism and right clamp mechanism include binding nut (14,20), collet (13,21) and positioning sleeve (12,22), described collet (13,21) be arranged at an end of described rotary main shaft (17) and its outside outer wall is round table-like that the bottom surface radius increases laterally, described positioning sleeve (12,22) be sheathed on described collet (13,21) last and its outside inwall and described collet (13,21) outside the round table-like of outer wall is complementary, described positioning sleeve (12,22) outer wall is provided with screw thread, described binding nut (14,20) be set in described positioning sleeve (12,22) last and inwall is provided with and described positioning sleeve (12,22) screw thread that is complementary, described binding nut (14,20) outside inwall is formed with an inwardly protruded clamping ring, described clamping ring is close to described collet (13,21) outer end, the binding nut (14 of described left clamp mechanism and right clamp mechanism, the direction of rotation of screw thread 20) is opposite.
3. the servo clamping device of two-sided car owner's axle according to claim 2, it is characterized in that: described left retaining mechanism and right retaining mechanism include locking cylinder (16,18) and latch segment (15,19), described locking cylinder (16,18) is fixed on the servo clamping device of two-sided car owner's axle can the described latch segment of push-and-pull (15,19), rotation that can the corresponding binding nut of locking (14,20) when described latch segment (15,19) is released by described locking cylinder (16,18).
4. according to claim 1 or the servo clamping device of 2 or 3 described two-sided car owner's axles, it is characterized in that: the servo clamping device of two-sided car owner's axle comes the part different to be processed of clamping stress deformation by the moment of regulating described servomotor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206157973U CN201881181U (en) | 2010-11-11 | 2010-11-11 | Main shaft servo clamping device for double-sided vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206157973U CN201881181U (en) | 2010-11-11 | 2010-11-11 | Main shaft servo clamping device for double-sided vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201881181U true CN201881181U (en) | 2011-06-29 |
Family
ID=44178713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206157973U Expired - Lifetime CN201881181U (en) | 2010-11-11 | 2010-11-11 | Main shaft servo clamping device for double-sided vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201881181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059571A (en) * | 2010-11-11 | 2011-05-18 | 彭洪富 | Main shaft servo clamping device of double-sided vehicle |
| CN108581786A (en) * | 2018-03-23 | 2018-09-28 | 舟山市敏瑞科技咨询有限公司 | A kind of cutter device of belt |
-
2010
- 2010-11-11 CN CN2010206157973U patent/CN201881181U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059571A (en) * | 2010-11-11 | 2011-05-18 | 彭洪富 | Main shaft servo clamping device of double-sided vehicle |
| CN108581786A (en) * | 2018-03-23 | 2018-09-28 | 舟山市敏瑞科技咨询有限公司 | A kind of cutter device of belt |
| CN108581786B (en) * | 2018-03-23 | 2019-07-02 | 舟山市敏瑞科技咨询有限公司 | A kind of cutter device of belt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110629 Effective date of abandoning: 20130424 |
|
| RGAV | Abandon patent right to avoid regrant |