CN100516334C - Gear driving depressing cam controlling device - Google Patents
Gear driving depressing cam controlling device Download PDFInfo
- Publication number
- CN100516334C CN100516334C CNB2006100377234A CN200610037723A CN100516334C CN 100516334 C CN100516334 C CN 100516334C CN B2006100377234 A CNB2006100377234 A CN B2006100377234A CN 200610037723 A CN200610037723 A CN 200610037723A CN 100516334 C CN100516334 C CN 100516334C
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- gear
- plate
- rack
- signal
- cam
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Abstract
The invention relates to a horizontal-woven device, which provides a needle-triangle controller of gear transmission of horizontal-woven device. It comprises: on the triangle bottom plate, a signal disc, a gear plate, a sliding block, a signal generator, a signal sensor and a needle triangle. Wherein, the signal disc is arranged at the back of triangle bottom plate, whose rotational shaft has a gear; the gear is meshed with the rack bar on one side of gear plate; the gear plate is connected to the needle triangle at the front of triangle bottom plate via the sliding block sliding mounted in the relative hole groove of triangle bottom plate; the signal sensor is arranged beside the signal disc; and the signal generator is also arranged beside the signal disc. The invention has the advantages that the transmission structure of gear and rack bar can simplify the transmission line, reduce the transmission process, reduce the matching space and improve the transmission accuracy. And the space of whole transmission device is significantly reduced to fully utilize limited space of triangle bottom plate.
Description
Technical field
The present invention relates to flat braiding machine, more specifically to a kind of gear-driven depressing cam controlling device in the flat braiding machine.
Background technology
On flat braiding machine, depressing cam nearly all is to live in being embedded on the cam base plate, can slide up and down along the corresponding chute hole on the cam base plate, to adapt to knitting needle when carrying out the braiding of lopping braiding or barring-on, depressing cam is in the needs that diverse location forms the different Cam Tracks of knitting needle.Moving of depressing cam is to be driven by special depressing cam transmission mechanism.
In the prior art, the transmission mechanism of this depressing cam is a kind of cam swing formula transmission mechanism, its cam is made a cam path, one end and the cam base plate of fork are hinged, form the rotating fulcrum of swing, its hinged bearing in middle part, this bearing places above-mentioned cam path, during cam rotation, the bearing on the fork is swung thereby drive fork along the cam path slippage.The fork front end is provided with a chute, slips a bearing in this chute, this bearing hinge connection with slide block that depressing cam is connected on, slide block places the corresponding chute hole on the above-mentioned cam base plate.When fork rotates, depressing cam is moved along the corresponding chute hole on the above-mentioned cam base plate by bearing, slide block.
Because the helical pitch of cam path has determined the hunting range of fork, so the mobile range of depressing cam is subjected to the restriction of cam path helical pitch, and the helical pitch of cam path is mainly by its physical dimension decision, but its size is subjected to the restriction of placement space on the cam base plate, its physical dimension can not be very big, so its helical pitch is also limited, this has just limited the moving range of depressing cam, thereby has influenced the realization of some functions of depressing cam; In addition, whole cam swing transmission device mechanism relative complex, transmission process is many, exists more fit clearances such as rotating fulcrum, bearing, and the positioning accuracy of depressing cam when the reciprocating motion exerted an influence, and whole transmission device takes up room relatively large simultaneously; Moreover the difficulty of processing of cam path is big, efficient is low, and this has increased production cost again.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, design a kind of simple for structure, volume is little, a kind of gear-driven depressing cam controlling device that drive line is simple, transmission accuracy is high.It is achieved by following technical proposals:
Be installed on the cam base plate, comprise signal panels, rack-plate, slide block, signal generator, signal inductor and depressing cam, signal panels place the rear side of described cam base plate, its rotating shaft is provided with gear, the tooth bar engagement of this wheel and rack plate one side, rack-plate is connected with the depressing cam that places the cam base plate front side by the slide block that slips in the corresponding hole slot of cam base plate, and signal generator places on the position of signal panels week side, and signal inductor places signal panels one side.
Be equipped with slide plate between described rack-plate and slide block, slide plate is connected with slide block, slips with rack-plate, and the two ends of an extension spring connect rack-plate and slide plate respectively, makes both not have relative displacement in the effect that is not subjected to certain force.
Described rack-plate one side has a torsion spring, and this torsion spring is fixed on the described cam base plate, and its free end is resisted against rack-plate one side.
The upside of described signal panels is equipped with the planetary gear reducing gear.
Described planetary gear reducing gear is made up of a ring gear and four lines star gear, ring gear is connected with described cam base plate, four lines star gear is distributed on all sides of ring gear, and respectively with ring gear on internal tooth engagement, four lines star gear is hinged with axle separately respectively, and an end of planet pin is connected on the signal panels.
The invention has the beneficial effects as follows: utilize the drive mechanism of wheel and rack to make drive line succinct, reduced transmission process, thereby reduced various fit clearances, improved transmission accuracy; In addition, the shared space of whole transmission device reduces greatly, and the confined space on the cam base plate is used more effectively.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is that the A of Fig. 1 is to view.
Fig. 4 is the structural representation of one embodiment of the invention.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the B-B cutaway view of Fig. 5.
Fig. 7 is the middle structural representation that increases the planetary gear reducing gear embodiment illustrated in fig. 2.
Among the figure, the 1st, Hall element, the 2nd, magnet steel, the 3rd, signal panels, the 4th, rack-plate, the 5th, slide plate, the 6th, slide block, the 7th, depressing cam, the 8th, gear, the 9th, extension spring, the 10th, torsion spring, the 13, the 14th, tension spring pin, the 15th, steady pin, the 16th, mounting hole, the 17th, cam base plate, the 18th, chute hole, the 19th, elongated slot, the 20th, stepper motor, the 21st, motor fixing seat, the 22nd, holding screw, the 23rd, motor gear, the 30th, planetary gear reducing gear, the 31st, ring gear, the 32nd, planetary gear, the 33rd, axle, the 40th, pin bell.
The specific embodiment
The present invention will be further described below in conjunction with drawings and Examples.
See also Fig. 1, Fig. 2, Fig. 3, signal panels 3 place the rear side of cam base plate 17, and the gear 8 of a center of rotation is altogether arranged in the rotating shaft of its downside.Tooth bar engagement on the rack-plate 4 of gear 8 and one side.Slide block places the chute hole 18 on the cam base plate, and its two ends connect the depressing cam that places the cam base plate front side respectively and place the slide plate of cam base plate rear side, and depressing cam and rack-plate are fused.The i.e. magnet steel 2 of signal generator is installed on the circumference of signal panels 3, the i.e. Hall element 1 of a signal inductor is installed on the cam base plate of signal panels 3 one sides.Stepper motor 20 is connected on the motor fixing seat 21,21 rear sides that are fixed on cam base plate 17 of motor fixing seat.The rotating shaft of stepper motor 20 is plugged in the hole of signal panels center, and connects with holding screw 22, and both coaxial lines are rotated.
During work, stepper motor 20 rotates and drives signal panels 3 and rotate, and the signal that magnet steel 2 produces is by signal inductor---and the processing through the coherent signal processing apparatus is accepted in Hall element 1 induction, and with the rotation of this control step motor 20.The signal that Hall element 1 produces mainly is that original position (zeroing), rotation direction and the rotational angle of signal panels 3 are controlled.Signal panels 3 rotate, the gear 8 of its downside by with rack-plate 4 on the tooth bar engagement drive rack-plate 4 and move, slide block 6 slides and drives depressing cam along chute hole 18 thereupon and moves together.Its mobile range is by the decision of the tooth bar length on the rack-plate, and the length of tooth bar is to design according to the function that depressing cam will be finished, and is not subjected to the restriction of other driving member.
Head moves on needle-bar; sometimes might depressing cam pin heel 40 be formed and impact or bottom gear 8 that slide block 6 moves to chute hole 18 also may form the impact of slide block to cam base plate rotating; in order to have slowed down these above-mentioned impacts and effectively protection pin heel, increase by one slide plate between rack-plate and slide block.See also Fig. 4, Fig. 5, Fig. 6, slide plate is fixedlyed connected with slide block, is slidingly connected with rack-plate.The downside of rack-plate 4 has an elongated slot 19, grafting slide plate 5 in it, tension spring pin 14 is riveted on the rack-plate 4, rack-plate 4 is provided with two mounting holes 16 that step is arranged, steady pin 15, tension spring pin 13 pass two mounting holes 16 respectively and are riveted on the slide plate of rack-plate downside, two ends of extension spring 9 are connected on the tension spring pin 13,14, and rack-plate and slide plate are linked into an integrated entity.Be not hit the masterpiece time spent, both are one, and nothing relatively moves; When being subjected to impact force action, generation between the two relatively moves, and extension spring 9 is stretched, and impulsive force is effectively slowed down.
In order to guarantee kinematic accuracy and the positioning accuracy of depressing cam when the reciprocating motion, fix a torsion spring 10 at the rear side of cam base plate, its free end tightly is resisted against a side of rack-plate 4, eliminate the back lash of gear 8 and rack-plate 4 with this, improve the kinematic accuracy and the positioning accuracy of depressing cam, see also Fig. 5.
If the rotating speed of stepper motor 20 outputs is slowed down, can delegation's star wheel reducer structure 30 be installed in the upside of signal panels, see also Fig. 7.Planetary gear reducing gear 30 is made up of a ring gear 31 and four lines star gear 32, ring gear 31 is made of one with motor fixing seat 21, four lines star gear 32 is distributed on interior all sides of ring gear 31, and respectively with ring gear on internal tooth engagement, four lines star gear 32 is hinged with axle 33 separately, and an end of axle 33 is fixedly connected on the upside of signal panels 3.Stepper motor 20 is fixed on the motor fixing seat 21, and the motor gear 23 in its rotating shaft places four lines star gear 32 centers, and meshes with four lines star gear 32.The rotating shaft of motor 20 is rotated, and the motor gear 23 on it drives four lines star gear 32 simultaneously and rotates around separately axle 33, and simultaneously with the ring gear engagement around the ring gear revolution, rotate thereby drive signal panels.The signal that the rotation original position of same signal panels 3, rotational angle, rotation direction are sent by the magnet steel 2 that is positioned at signal panels 3 one sides is also realized this control by the Hall element 1 of accepting this signal.
Planetary gear reducing gear among the present invention is not limited to the above embodiments.
Claims (5)
1, a kind of gear-driven depressing cam controlling device, be installed on the cam base plate, it is characterized in that comprising signal panels, rack-plate, slide block, signal generator, signal inductor and depressing cam, signal panels place the rear side of described cam base plate, its rotating shaft is provided with gear, the tooth bar engagement of this wheel and rack plate one side, rack-plate is connected with the depressing cam that places the cam base plate front side by the slide block that slips in the corresponding hole slot of cam base plate, signal generator places on the position of signal panels week side, and signal inductor places signal panels one side.
2, gear-driven depressing cam controlling device according to claim 1, it is characterized in that between described rack-plate and slide block, being equipped with slide plate, slide plate is connected with slide block, slip with rack-plate, the two ends of one extension spring connect rack-plate and slide plate respectively, make both not have relative displacement in the effect that is not subjected to certain force.
3, gear-driven depressing cam controlling device according to claim 1 is characterized in that described rack-plate one side has a torsion spring, and this torsion spring is fixed on the described cam base plate, and its free end is resisted against rack-plate one side.
4, gear-driven depressing cam controlling device according to claim 1 is characterized in that the upside of described signal panels is equipped with the planetary gear reducing gear.
5, gear-driven depressing cam controlling device according to claim 4, it is characterized in that described planetary gear reducing gear is made up of a ring gear and four lines star gear, ring gear is connected with described cam base plate, four lines star gear is distributed on all sides of ring gear, and respectively with ring gear on internal tooth engagement, four lines star gear is hinged with axle separately respectively, and an end of planet pin is connected on the signal panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100377234A CN100516334C (en) | 2006-01-11 | 2006-01-11 | Gear driving depressing cam controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100377234A CN100516334C (en) | 2006-01-11 | 2006-01-11 | Gear driving depressing cam controlling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1800467A CN1800467A (en) | 2006-07-12 |
| CN100516334C true CN100516334C (en) | 2009-07-22 |
Family
ID=36810661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100377234A Expired - Fee Related CN100516334C (en) | 2006-01-11 | 2006-01-11 | Gear driving depressing cam controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100516334C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619013A (en) * | 2012-01-13 | 2012-08-01 | 宁波慈星股份有限公司 | Transmission mechanism of stitch density cam |
-
2006
- 2006-01-11 CN CNB2006100377234A patent/CN100516334C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1800467A (en) | 2006-07-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20160111 |
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| EXPY | Termination of patent right or utility model |