CN201121239Y - Drive device with stripping comb shifted transversely - Google Patents
Drive device with stripping comb shifted transversely Download PDFInfo
- Publication number
- CN201121239Y CN201121239Y CNU2007200419222U CN200720041922U CN201121239Y CN 201121239 Y CN201121239 Y CN 201121239Y CN U2007200419222 U CNU2007200419222 U CN U2007200419222U CN 200720041922 U CN200720041922 U CN 200720041922U CN 201121239 Y CN201121239 Y CN 201121239Y
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- guide
- drive unit
- seat
- bearing
- ball screw
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Abstract
The utility model relates to a driving device for the horizontal movement of a chase comb, the mechanical transmission part comprises a servo motor, a ball bearing screw, a sliding nut, an installing seat and a main guiding shaft, wherein the output shaft of the servo motor is connected with the ball bearing screw through a coupling, the thread of the sliding nut is connected and nested on the ball bearing screw, and one end of the main guiding shaft is fixedly connected with a sliding thread sleeve; The main guiding shaft is provided with a guiding element seat in which a straight line bearing is installed, an auxiliary guiding shaft parallel to the main guiding shaft is also provided, the tail ends of the two guiding shafts are connected through a connecting seat, and is connected with the guide chase comb through the pushing-pulling mechanism of the connecting seat, the auxiliary guiding shaft is provided with a guiding element pedestal in which a straight line bearing is installed, and the guiding element pedestal and the guiding element seat are connected on the installing seat together. The driving device can ensure that the main guiding shaft can do the horizontal straight movement smoothly, thereby, the position of the pushing-pulling mechanism can not generate the excursion, and the needle shifting accuracy of the guide chase comb can be enhanced.
Description
Technical field
The utility model relates to the drive unit of the guide bar shogging on a kind of warp knitting machine.
Background technology
The executing agency of the traversing technology of traditional mechanical type chain piece control flower type sley bar, its structural principle is to utilize the differing heights of chain piece to be converted into laterally mobile by traversing swing arm, every sley bar is driven a lot of chain piece, a then whole warp knitting machine has n will have sley bar n bar chain piece to turn round.This just causes machine run speed slow, safeguard to be difficult for, and occupy that the space is big, noise big and change trivial etc. the shortcoming of flower type zero, and transmission efficiency is low, and precision is low.
For increasing work efficiency, the existing at present mechanical type transverse-moving mechanism that adopts computer technology and Electrical Control Technology control, be that the patent No. is the technical scheme of describing in 200620069044.0, wherein mechanical drive department is divided into: the servomotor output shaft connects with ball screw by shaft coupling, ball screw nut is sleeved on the ball screw and with ball screw and is threaded, slide and fixedly connected with ball screw nut soon, slide block is fixed on push rod one end, and the push rod other end is connected with sley bar.But this device overcomes that ball screw nut brings rotatablely moves that what adopt is the line slideway mode, complex structure, and volume is big, and to mechanical driving part employing oil-bath lubrication, lubricant effect is relatively poor, and oil easily pollutes in the groove, can exert an influence to aspects such as transverse movement precision, control, efficient.
The utility model content
The purpose of this utility model is to provide a kind of simple in structure, mechanical drive department component efficiency height, can effectively overcome by ball screw and rotatablely move and to the radial stress that traversing parts produce, make the traversing reposefully operation of sley bar.
The drive unit of the utility model guide bar shogging comprises the electric control system of mechanical driving part and the work of control mechanical driving part; Wherein, mechanical driving part comprises servomotor, ball screw, sliding nut, mount pad and the main axis of guide, the servomotor output shaft connects with ball screw by shaft coupling, and sliding nut is sleeved on by being threaded on the ball screw and with an end of the main axis of guide and is connected; The guide seat of linear bearing in being provided with, the main axis of guide is housed; In addition, a secondary axis of guide is arranged, it is parallel to the main axis of guide, and the guide bearing of linear bearing is housed in front end is provided with; Major and minor two parallel conductive link to each other by a Connection Block to shaft end, and link to each other with sley bar by the push-pull mechanism of Connection Block, and guide bearing and guide seat are with being connected on the mount pad.
Further improvement of the present utility model is:
The said main axis of guide is provided with the centre bore that supplies ball screw and slip swivel nut to stretch into, and the main axis of guide is fixedlyed connected with the slip swivel nut by the wall portion in this hole, makes the main axis of guide axially consistent with ball screw, helps the main axis of guide and steadily moves, and reduces to rock.
Said push-pull mechanism is push rod and the tension spring hook that is fixed on the Connection Block.
Said servomotor is connected with motor cabinet, and the front end of said guide seat is fixedlyed connected with motor cabinet, guarantees that servomotor and ball screw are concentric to be connected.
The two ends of guide seat are provided with oil sealing respectively, and the guide seat is provided with oil-in and oil-out, form an annular seal space in the whole guide seat, and have adopted the mode of fuel feeding to make mechanical part sufficient lubrication in the chamber.
The oil-in of said guide seat is located at downside, and oil-out is located at upside, can make lubricating oil fully fill up the inner chamber of guide seat, overflows from last oil outlet then.
Make axial float in order to limit ball screw along bearing, and limit it and rotate, its inside of an end that is connected with motor at the guide seat also is provided with a bearing block, adorns two angle touch thrust bearings that are provided with in opposite directions in described bearing block; At above-mentioned angle touch thrust bearing lateral surface chuck is housed, the cake cap is set, like this ball screw is fixed on the guide seat, it can only be rotated in the outside of chuck.
Major advantage of the present utility model is: simple in structure, and convenient operation and control, the servomotor output shaft directly connects by shaft coupling with ball screw, improves transmission efficiency greatly; Designed the secondary main axis of guide, and under the main linear bearing acting in conjunction of pair, eliminated the radial stress that rotatablely moves the main axis of guide is produced effectively because of ball screw, guarantee that the main axis of guide makes horizontal rectilinear motion reposefully, thereby make the push-pull mechanism position not produce skew, improve the degree of accuracy that sley bar moves pin, improved transmission efficiency simultaneously; And take oil feeding type lubricated to mechanical driving part, and in the chamber in lubricating oil for time advance, on go out mobile mode, so promptly allow the mechanical driving part sufficient lubrication, again fricative heat is taken away, improved traversing speed and precision.
Description of drawings
Fig. 1 is drive unit leading to shaft mechanical drive mechanism schematic diagram of guide bar shogging of the present utility model;
Fig. 2 represents the integral body assembling schematic diagram of the drive unit of guide bar shogging of the present utility model.
Among the above-mentioned figure: 1 is that servomotor, 2 is that motor cabinet, 3 is that ball screw, 4 is the guide seat, 5 for bearing block, 6 for ball screw nut, 7 for mount pad, 8 be main linear bearing, 9 for oil-out, 10 for oil sealing, 10 for oil sealing, the 11 main axis of guides, 12 for Connection Block, 13 for tension spring hook, 14 for the top, 15 for the secondary axis of guide, 16 for the guide bearing, 17 for secondary linear bearing, 18 for angle touch thrust bearing, 19 for chuck, 20 for cake cap, 21 is shaft coupling, 22 is oil-in.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
As shown in Figure 1, 2, 3, the mechanical driving part of the drive unit of this guide bar shogging comprises servomotor 1, motor cabinet 2, mount pad 7, guide seat 4, Connection Block 12, guide bearing 16, ball screw 3, ball screw nut 6 and the main axis of guide 11, the secondary axis of guide 15; Motor cabinet 2 is servomotor 1 fixedly, servomotor 1 output shaft connects with ball screw 3 by shaft coupling 21, sliding nut 6 is sleeved on the ball screw 3 and with ball screw 3 and is threaded, one end of the main axis of guide 11 is provided with the centre bore that supplies ball screw 3 and slip swivel nut 6 to stretch into, and said slip swivel nut 4 is fixedlyed connected with the wall portion in this hole; The guide seat 4 of linear bearing 8 in being provided with, the main axis of guide 11 is housed; The guide bearing 16 of linear bearing 17 is housed in the secondary axis of guide 15 is provided with, and the end of the main axis of guide 11 and the secondary axis of guide 15 is fixed on the Connection Block 12, and Connection Block 12 links to each other with sley bar with tension spring hook 13 by push rod 14.
The front end of guide seat 4 is fixedlyed connected with motor cabinet 2.Whole mechanical driving part is bearing on the mount pad 7 by guide seat 4 and guide bearing 16.
In this device, the interference that produces by the main axis of guides 11 of 6 pairs of sliding nuts that rotatablely moves of ball screw 3 is eliminated by 8,17 and two guide seat 4,16 major parts of two linear bearings, makes the axis of guide 11 along main linear bearing 8 moving linearly reposefully.Simultaneously, the parallel with it and continuous secondary axis of guide 15 of end is further guaranteed the main axis of guide 11 easy motions.
On guide seat 4, offer oil-in 22 and oil-out 9, wherein oil-in 22 is opened the downside at guide seat 4, oil-out 9 is opened the upside at guide seat 4, the two ends of guide seat 4 be provided with respectively oil sealing 10 and 10 ', whole guide seat 4 forms an annular seal space, and has adopted the mode of fuel feeding to make mechanical part sufficient lubrication in the chamber, provides the lubricating oil with certain pressure in guide seat chamber, lubricating oil fully fills up the inner chamber of guide seat, overflows from last oil outlet then.
Its inside of an end that is connected with motor at the guide seat also is provided with a bearing block 5, adorns two angle touch thrust bearings 18 that are provided with in opposite directions in bearing block; At above-mentioned angle touch thrust bearing 18 lateral surfaces chuck 19 is housed, cake cap 20 is set, like this ball screw 3 is fixed on the guide seat, it can only be rotated in the outside of chuck 19.
When servomotor 1 drives ball screw 3 rotations, sliding nut 4 moves axially along ball screw, the main simultaneously axis of guide 11 drives the guide bar shogging motion by tension spring hook on the Connection Block 12 13 and top 14 simultaneously with sliding nut 4 moving linearly on linear bearing 8.When linear bearing 8 moving linearlies, the continuous secondary axis of guide 15 of end is not made same moved further with it.
Claims (8)
1. the drive unit of a guide bar shogging comprises mechanical driving part and the electric control system of controlling mechanical driving part work; Mechanical driving part comprises servomotor (1), ball screw (3), sliding nut (6), mount pad (7) and the main axis of guide (11), servomotor (1) output shaft connects with ball screw (3) by shaft coupling (21), in addition, sliding nut (6) is sleeved on to be threaded that ball screw (3) is gone up and is connected with an end of the main axis of guide (11), it is characterized in that the main axis of guide (11) is equipped with the guide seat (4) of linear bearing (8) in being provided with; Other has a secondary axis of guide (15), and it is parallel to the main axis of guide (11), and the guide bearing (16) of linear bearing (17) is housed in front end is provided with; Major and minor two parallel conductive link to each other by a Connection Block (12) to shaft end, and link to each other with sley bar by the push-pull mechanism of Connection Block, and guide bearing (16) is connected on the mount pad (7) together with guide seat (4).
2. the drive unit of guide bar shogging according to claim 1 is characterized in that the main axis of guide (11) is provided with the centre bore that supplies ball screw (3) and slip swivel nut (6) to stretch into, and the axis of guide (11) is fixedlyed connected with slip swivel nut (6) by the wall portion in this hole.
3. the drive unit of guide bar shogging according to claim 1 is characterized in that said push-pull mechanism is top (14) and the extension spring (13) that is fixed on the Connection Block.
4. the drive unit of guide bar shogging according to claim 1 is characterized in that servomotor (1) is provided with motor cabinet (2), and the front end of said guide seat (4) is fixedlyed connected with motor cabinet (2).
5. the drive unit of guide bar shogging according to claim 1 is characterized in that the two ends of said guide seat (4) are provided with oil sealing (10), (10 ') respectively, forms an annular seal space in the whole guide seat.
6. the drive unit of guide bar shogging according to claim 1 is characterized in that said guide seat (4) is provided with oil-in and oil-out, and oil-in (22) is located at downside, and oil-out (9) is located at upside.
7. according to the drive unit of claim 1 or 2 or 3 or 4 or 5 or 6 described guide bar shoggings, it is characterized in that its inside of an end that said guide seat (4) is connected with motor also is provided with a bearing block (5), in described bearing block (5), adorn two angle touch thrust bearing guide seats that are provided with in opposite directions, its inside of an end that is connected with motor also is provided with a bearing block, adorns two angle touch thrust bearings (18) that are provided with in opposite directions in described bearing block.
8. the drive unit of guide bar shogging according to claim 7 is characterized in that at angle touch thrust bearing (18) lateral surface chuck (19) being housed, and cake cap (20) is set in the outside of chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200419222U CN201121239Y (en) | 2007-11-29 | 2007-11-29 | Drive device with stripping comb shifted transversely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200419222U CN201121239Y (en) | 2007-11-29 | 2007-11-29 | Drive device with stripping comb shifted transversely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201121239Y true CN201121239Y (en) | 2008-09-24 |
Family
ID=40008465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200419222U Expired - Fee Related CN201121239Y (en) | 2007-11-29 | 2007-11-29 | Drive device with stripping comb shifted transversely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201121239Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121168A (en) * | 2011-03-23 | 2011-07-13 | 王占洪 | Guide bar shogging mechanism in warp knitting machine |
| CN102788084A (en) * | 2012-03-19 | 2012-11-21 | 张俊 | Linear bearing |
| CN102864574A (en) * | 2012-09-06 | 2013-01-09 | 常州市武进五洋纺织机械有限公司 | Warp knitting machine guide bar return device |
-
2007
- 2007-11-29 CN CNU2007200419222U patent/CN201121239Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121168A (en) * | 2011-03-23 | 2011-07-13 | 王占洪 | Guide bar shogging mechanism in warp knitting machine |
| CN102121168B (en) * | 2011-03-23 | 2013-09-11 | 王占洪 | Guide bar shogging mechanism in warp knitting machine |
| CN102788084A (en) * | 2012-03-19 | 2012-11-21 | 张俊 | Linear bearing |
| CN102864574A (en) * | 2012-09-06 | 2013-01-09 | 常州市武进五洋纺织机械有限公司 | Warp knitting machine guide bar return device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20131129 |