CN210886416U - Negative cam device of air jet loom - Google Patents
Negative cam device of air jet loom Download PDFInfo
- Publication number
- CN210886416U CN210886416U CN201921830971.3U CN201921830971U CN210886416U CN 210886416 U CN210886416 U CN 210886416U CN 201921830971 U CN201921830971 U CN 201921830971U CN 210886416 U CN210886416 U CN 210886416U
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- cam
- opening
- rotor
- air jet
- transmission shaft
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Abstract
The utility model discloses a negative cam gear of air jet loom, the cam case is spatial structure, the cam incasement portion is located to the opening cam, opening cam and transmission shaft swing joint, the transmission shaft is connected with driving motor, transmission shaft one side is equipped with the locking groove, the inside keyway that is equipped with of locking groove, opening cam one side is equipped with the bolt, the bolt runs through the opening cam and is connected with the keyway, opening cam rear end is equipped with cam rotor, cam rotor rear end is equipped with the opening arm, opening arm one end is connected with cam rotor, the cam incasement portion is located to the opening arm other end, cam incasement portion below is located to the support, the cam incasement is located to the electromagnetism stick parallel, electromagnetism stick one end and support swivelling joint. The utility model discloses an install the electromagnetic rod additional in cam incasement side, prevent that foreign matters such as iron fillings from making the rotor card die and producing the phenomenon of wearing and tearing or damage in getting into the rotor, avoided the wearing and tearing of opening arm, prolonged the life of opening arm, reduced maintenance cost, simple, convenient moreover.
Description
Technical Field
The utility model relates to the technical field of weaving, specifically be a negative cam gear of air jet loom.
Background
The textile industry is competitive and demands on weaving machines are increasing. Air jet looms are mechanical devices commonly used in the textile industry, and are shuttleless looms that use a jet of air to pull the weft through the shed. The working principle is that air is used as a weft insertion medium, the ejected compressed airflow generates friction traction force on weft yarn to pull the weft yarn, the weft yarn is taken through a shed, and the purpose of weft insertion is achieved through jet flow generated by air ejection. However, the cam mechanism of the air jet loom is a wearing part, the cam is the most important component of the cam mechanism, but in the process of cam transmission, the acting force on the cam profile is changed, and the situation of excessive local stress inevitably exists, especially in the junction area of the remote angle of repose and the push motion angle, once the cam profile deforms due to stress concentration or wears due to long-time work, the transmission effect is directly influenced, namely, the driven part cannot complete the motion rule of the expected design. The cam accounts for a large part of the maintenance cost, and how to prolong the service life of the open arm is a problem which the technicians want to solve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a negative cam gear of air jet loom through set up the electromagnetic bar in the cam case, absorbs the iron fillings that drop to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a negative cam device of an air jet loom comprises a cam box, an opening cam, a transmission shaft, a cam rotor, an opening arm, a driving motor, a locking groove, a key groove, a bolt, an electromagnetic rod and a support, wherein the cam box is of a three-dimensional structure, the opening cam is arranged in the cam box, the opening cam is movably connected with the transmission shaft, the transmission shaft is connected with the driving motor, one side of the transmission shaft is provided with the locking groove, the key groove is arranged in the locking groove, one side of the opening cam is provided with the bolt, the bolt penetrates through the opening cam to be connected with the key groove, the rear end of the opening cam is provided with the cam rotor, the rear end of the cam rotor is provided with the opening arm, one end of the opening arm is connected with the cam rotor, the other end of the opening arm is arranged outside the cam box, and the support, the electromagnetic rods are arranged in the cam box in parallel, and one end of each electromagnetic rod is rotatably connected with the support.
Preferably, the shedding cam is a six-cycle plain cam.
Preferably, the cam rotor is connected with an output end of the shedding cam, and the cam rotor is connected with an input end of the shedding arm.
Preferably, the open arm is provided obliquely upward in the cam box.
Preferably, the electromagnetic rod comprises a magnetic rod sleeve, a magnetic block and a plug, the magnetic block is arranged in the magnetic rod sleeve, and the plug is screwed at the rear end of the magnetic rod sleeve.
Preferably, an external thread is arranged at one end of the outer side of the magnetic rod sleeve, an internal thread is arranged inside the middle of the support, and the external thread is matched with the internal thread.
Preferably, the length of the magnet bar sleeve is smaller than the length of the cam box.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses an install the electromagnetic rod additional in cam incasement side, prevent that foreign matters such as iron fillings from making the rotor card die and producing the phenomenon of wearing and tearing or damage in getting into the rotor, avoided the wearing and tearing of opening arm, prolonged the life of opening arm, reduced maintenance cost, simple, convenient moreover.
(2) The utility model discloses a six circulation plain weave cams to expand negative formula shedding cam air jet loom's variety accommodation, improved the utilization ratio of loom.
(3) The utility model discloses a cam rotor to reduce the wearing and tearing of open cam, prolonged open cam's life, improved the fabric quality.
(4) The utility model discloses a set up the support below the cam case for the electromagnetism stick can connect soon on the support, thereby locates the cam incasement.
(5) The utility model discloses a set up the end cap in bar magnet cover rear end, when needing to be changed inside magnetic path, open the end cap, in time change can prevent that the bar magnet from becoming invalid.
Drawings
FIG. 1 is an overall view of a cam apparatus;
fig. 2 is a side view of the shedding cam.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a negative cam device of an air-jet loom comprises a cam box 1, an open cam 2, a transmission shaft 3, a cam rotor 4, an open arm 5, a driving motor 6, a locking groove 7, a key groove 8, a bolt 9, an electromagnetic rod 10 and a bracket 11, wherein the cam box 1 is of a three-dimensional structure, the open cam 2 is arranged inside the cam box 1, the open cam 2 is movably connected with the transmission shaft 3, the open cam 2 is a six-cycle plain cam, and a six-cycle plain cam is adopted, so that the variety adaptation range of a passive open cam air-jet loom is expanded, the utilization rate of the loom is improved, the transmission shaft 3 is connected with the driving motor 6, the locking groove 7 is arranged on one side of the transmission shaft 3, the key groove 8 is arranged inside the locking groove 7, the bolt 9 is arranged on one side of the open cam 2, the bolt 9 penetrates through the open cam 2 to be connected with the key groove 8, the cam rotor, the cam rotor 4 is connected with the output end of the shedding cam 2, the cam rotor 4 is connected with the input end of the shedding arm 5, the cam rotor 4 is adopted, thereby reducing the abrasion of the shedding cam 2, prolonging the service life of the shedding cam 2 and improving the fabric quality, one end of the shedding arm 5 is connected with the cam rotor 4, the other end of the shedding arm 5 is arranged outside the cam box 1, the shedding arm 5 is obliquely and upwards arranged in the cam box 1, the bracket 11 is arranged below the inner part of the cam box 1, the electromagnetic rod 10 can be screwed on the bracket 11 by arranging the bracket 11 below the cam box 1, thereby being arranged in the cam box 1, the electromagnetic rod 10 is arranged in the cam box 1 in parallel, one end of the electromagnetic rod 10 is rotatably connected with the bracket 11, the electromagnetic rod 10 comprises a magnetic rod sleeve 101, a magnetic block 102 and a plug 103, the magnetic block 102 is arranged in the magnetic rod sleeve 101, the plug 103 is screwed on the rear end of the magnetic rod sleeve 101, one end outside the, inside being equipped with the internal thread in the middle of the support 11, external screw thread and internal thread looks adaptation, the length of bar magnet cover 101 is less than the length of cam case 1, through set up end cap 103 in bar magnet cover 101 rear end, when needing to change inside magnetic path 102, opens end cap 103, and in time the change can prevent that bar magnet 10 from becoming invalid.
Application method
Start driving motor 6, driving motor 6 drives transmission shaft 3 and rotates, and transmission shaft 3 rotates the in-process and drives opening cam 2 and rotate, and opening cam 2 rotates, drives cam rotor 4 and rolls on opening cam 2 profile to drive opening arm 5 and realize the luffing motion, the iron fillings that drop in the operation process can be adsorbed by electromagnetic bar 10 and live.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A negative cam device of an air jet loom is characterized in that: the electromagnetic bar locking device comprises a cam box, an opening cam, a transmission shaft, a cam rotor, an opening arm, a driving motor, a locking groove, a key groove, a bolt, an electromagnetic bar and a support, wherein the cam box is of a three-dimensional structure, the opening cam is arranged in the cam box, the opening cam is movably connected with the transmission shaft, the transmission shaft is connected with the driving motor, one side of the transmission shaft is provided with the locking groove, the inside of the locking groove is provided with the key groove, one side of the opening cam is provided with the bolt, the bolt penetrates through the opening cam to be connected with the key groove, the rear end of the opening cam is provided with the cam rotor, the rear end of the cam rotor is provided with the opening arm, one end of the opening arm is connected with the cam rotor, the other end of the opening arm is arranged outside the cam box, the support is arranged below the, one end of the electromagnetic rod is rotatably connected with the bracket.
2. An air jet passive cam arrangement according to claim 1, wherein: the shedding cam is a six-cycle plain cam.
3. An air jet passive cam arrangement according to claim 1, wherein: the cam rotor is connected with the output end of the shedding cam, and the cam rotor is connected with the input end of the shedding arm.
4. An air jet passive cam arrangement according to claim 1, wherein: the opening arm is obliquely and upwards arranged in the cam box.
5. An air jet passive cam arrangement according to claim 1, wherein: the electromagnetic rod comprises a magnetic rod sleeve, a magnetic block and a plug, the magnetic block is arranged in the magnetic rod sleeve, and the plug is connected to the rear end of the magnetic rod sleeve in a screwing mode.
6. An air jet passive cam arrangement according to claim 5, wherein: the magnetic rod sleeve is characterized in that one end of the outer side of the magnetic rod sleeve is provided with an external thread, an internal thread is arranged inside the middle of the support, and the external thread is matched with the internal thread.
7. An air jet passive cam arrangement according to claim 5, wherein: the length of the magnetic rod sleeve is smaller than that of the cam box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921830971.3U CN210886416U (en) | 2019-10-29 | 2019-10-29 | Negative cam device of air jet loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921830971.3U CN210886416U (en) | 2019-10-29 | 2019-10-29 | Negative cam device of air jet loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210886416U true CN210886416U (en) | 2020-06-30 |
Family
ID=71314797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921830971.3U Expired - Fee Related CN210886416U (en) | 2019-10-29 | 2019-10-29 | Negative cam device of air jet loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210886416U (en) |
-
2019
- 2019-10-29 CN CN201921830971.3U patent/CN210886416U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200630 Termination date: 20211029 |