CN214193602U

CN214193602U - Eccentric wheel opening mechanism of wide and heavy type net blanket weaving machine

Info

Publication number: CN214193602U
Application number: CN202022755388.XU
Authority: CN
Inventors: 刘强; 赵素梅; 徐俊乔
Original assignee: Shijiazhuang Textile Machinery Co ltd
Current assignee: Shijiazhuang Textile Machinery Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-09-14
Anticipated expiration: 2030-11-25

Abstract

The utility model belongs to an auxiliary structure of a loom, in particular to an eccentric wheel opening mechanism of a wide and heavy type net blanket type loom. The device comprises an eccentric wheel in transmission fit with a main shaft of a weaving machine, the eccentric wheel is rotationally assembled with the inner side of a big sleeve, the outer edge of the big sleeve is in transmission fit with the lower end of a connecting rod connector, the upper end of the connecting rod connector is in rotational fit with a first swing arm, the first swing arm and a second swing arm are respectively in transmission fit with a pin shaft, the other end of the second swing arm is rotationally assembled with the lower end of a tappet rod, the upper end of the tappet rod is in transmission fit with an angle arm shaft, one ends of the angle arm and the big angle arm are respectively in transmission fit with two ends of the angle arm shaft, and the other ends of the angle arm and the big angle arm are connected with a pull rod driving a heald frame through a broach and a hook opening big blade. The utility model provides a processing that prior art exists add the stability scheduling problem that the technology is complicated, the weaving has been influenced. Has the advantages of convenient processing, good weaving stability, low production and design cost and the like.

Description

Eccentric wheel opening mechanism of wide and heavy type net blanket weaving machine

Technical Field

The utility model belongs to an auxiliary structure of a loom, in particular to an eccentric wheel opening mechanism of a wide and heavy type net blanket type loom.

Background

The original cam shedding mechanism is that a transmission shaft of a weaving machine drives a cam group placed in a box body to move, a series of link mechanisms and an angle arm are driven by the cam group to swing, and the angle arm pulls a shedding large blade to swing through a connecting rod and a broach, so that a heald frame is driven to achieve shedding movement. The cam processing process of the mechanism is complex, the precision is difficult to realize, the deviation exists between the nominal motion amount of the mechanism and the motion response of the heald frame, and the weaving stability is influenced.

The applicant does not detect any document related to the present application in the domestic patent literature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wide heavy clothing class loom eccentric wheel shedding mechanism, the manufacturing of can being convenient for conveniently realizes adjustment and the open-ended stability of loom opening time simultaneously.

The whole technical concept of the utility model is that:

the wide and heavy type mesh blanket type loom eccentric wheel shedding mechanism comprises an eccentric wheel in transmission fit with a loom main shaft, the eccentric wheel is in rotating fit with the inner side of a large sleeve through a bearing, the outer edge of the large sleeve is connected with the lower end of a connecting rod connector through a large sleeve pin shaft to realize transmission fit, the upper end of the connecting rod connector is in rotating fit with a first swing arm, the first swing arm and a second swing arm are respectively in transmission fit with the pin shaft, the other end of the second swing arm is in rotating fit with the lower end of a tappet, the upper end of the tappet is in transmission fit with an angle arm shaft, one ends of an angle arm and a large angle arm are respectively in transmission fit with the two ends of the angle arm shaft, and the other ends of the angle arm and the large angle arm are connected with a pull rod driving a heald frame through a broach and a hook shedding large blade.

The specific technical concept of the utility model includes:

in order to fix the eccentric wheel and the main shaft of the weaving machine, the eccentric wheel is assembled with the main shaft of the weaving machine through a cam connecting disc and is in transmission fit with the main shaft of the weaving machine.

In order to fix the bearing and further ensure stable matching of the eccentric wheel and the large sleeve, the preferred technical implementation mode is that the eccentric wheel is fixed with the large sleeve through the bearing and two sides of the bearing are fixed through the baffle ring and the large baffle ring.

In order to realize the rotating assembly between the connecting rod connector and the first hundred-percent, the preferable technical realization means is that the upper end of the connecting rod connector is connected with the first swing arm through a joint bearing in a rotating assembly manner.

In order to realize the transmission assembly of the swing arm and the pin shaft, the preferable technical implementation means is that the first swing arm and the second swing arm are respectively matched with the pin shaft key for transmission.

In order to realize the matching of the second swing arm and the tappet, the preferable technical means is that the other end of the second swing arm is rotationally matched with the tappet through a joint bearing.

In order to facilitate the assembly of the tappet and the angle arm shaft, the preferable technical implementation means is that the upper end of the tappet is connected with one end of a tappet connecting arm through a joint bearing, and the other end of the tappet connecting arm is sleeved and fixed on the surface of the angle arm shaft.

In order to facilitate the assembly of the angle arm and the large angle arm with the angle arm shaft, the preferable technical implementation means is that the angle arm and the large angle arm are assembled with the angle arm shaft through splines and are in transmission fit.

In order to conveniently realize the driving of the angle arm and the large angle arm to the heald frame, the preferable and common technical implementation means is that two ends of the angle arm and the large angle arm are respectively and correspondingly connected with one end of a first connecting rod and one end of a second connecting rod through joint bearings, the other ends of the first connecting rod and the second connecting rod are correspondingly connected with connecting arms, a pulling handle is fixed, two groups of connecting arms and pulling handles are arranged at two ends of a broach, a hook is matched with a hook of the broach, and the hook is connected with a pull rod which drives the heald frame to move through a large opening blade.

The working principle of the utility model is as follows:

the main shaft of the weaving machine drives the eccentric wheel to run at a constant speed, the outer edge of the eccentric wheel pushes the large sleeve to reciprocate when running, the large sleeve drives the connecting rod connector to reciprocate up and down, and the connecting rod connector drives the rotating shaft to run in a reciprocating mode through the joint bearing and the first swing arm. The rotating shaft drives the second swing arm to perform reciprocating operation, the second swing arm drives the tappet connecting arm to perform reciprocating motion through the tappet rod, the tappet connecting arm drives the angle arms and the large angle arms on two sides to perform reciprocating swing through the angle arm shaft, the angle arms and the large angle arms respectively drive the first connecting rod and the connecting arm, the second connecting rod drives the hand puller to perform reciprocating motion, the first connecting rod, the connecting arm, the second connecting rod and the hand puller drive the broach to perform reciprocating motion, a hook of the broach is matched with a hook of the hook, the hook is pulled to perform reciprocating motion, and the hook pulls the large opening blade to perform reciprocating swing, so that a series of pull rods connected with the heald frame are driven to perform opening motion, and opening motion.

The applicant needs to state that:

in the description of the present invention, the terms "inside", "outer edge", "lower end", "upper end", "both ends", "both sides", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of simplifying the description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first" and "second" in the present application are used only for describing the differences of the components, and are not to be construed as implying importance.

The technical progress of the utility model lies in:

the utility model discloses in because the eccentric wheel is made conveniently, simple process, and the transmission power is more stable, overcome the easy wearing and tearing of cam mechanism, make the difficulty, produce shortcoming such as machining error easily, so this mechanism has reduced production and design cost by a wide margin, has improved the stability of loom and the weaving efficiency of loom.

Drawings

The attached drawings of the utility model are as follows:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a right side view of fig. 1.

The reference numbers in the drawings are as follows:

1. a loom main shaft; 2. an eccentric wheel; 3. a large sleeve; 4. a cam connecting disc; 5. pressing a plate; 6. a connecting rod binder; 7. a rotating shaft; 8. a first swing arm; 9. a second swing arm; 10. a tappet; 11. a tappet connecting arm; 12. an angular arm shaft; 13. an angle arm; 14. a large-angle arm; 15. a first link; 16. a connecting arm; 17. a second link; 18. carrying out hand pulling; 19. broaching; 20. a large opening blade; 21. and (4) hanging hooks.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited thereto. The protection scope of the present invention is subject to the content described in the claims, and any replacement by equivalent technical means made according to the specification does not depart from the protection scope of the present invention.

Examples

The integral structure of the embodiment is as shown in the figure, wherein the integral structure comprises an eccentric wheel 2 in transmission fit with a loom main shaft 1, the eccentric wheel 2 is rotatably assembled with the inner side of a large sleeve 3 through a bearing, the outer edge of the large sleeve 3 is connected with the lower end of a connecting rod connector 6 through a large sleeve pin shaft and realizes transmission assembly, the upper end of the connecting rod connector 6 is rotatably fitted with a first swing arm 7, the first swing arm 7 and a second swing arm 9 are respectively in sleeve transmission fit with a pin shaft 8, the other end of the second swing arm 9 is rotatably assembled with the lower end of a tappet 10, the upper end of the tappet 10 is in transmission fit with an angle arm shaft 12, one ends of an angle arm 13 and a large angle arm 14 are respectively in transmission fit with two ends of the angle arm shaft 12, and the other ends of the angle arm 13 and the large angle arm 14 are connected with a pull rod driving a heald frame through a broach 19 and a hook 21 opening large blade 20.

The eccentric wheel 2 is assembled with the loom main shaft 1 through the cam connecting disc 4 and realizes transmission fit.

The eccentric wheel 2 is fixed with the big sleeve 3 through a bearing and two sides of the bearing are fixed through a baffle ring and a big baffle ring.

The upper end of the connecting rod conjunction 6 is rotatably assembled and connected with the first swing arm 7 through a joint bearing.

The first swing arm 7 and the second swing arm 9 are in key fit transmission with the pin shaft 8 respectively; the other end of the second swing arm 9 is in running fit with the tappet 10 through a joint bearing.

The upper end of the tappet 10 is connected with one end of a tappet connecting arm 11 through a joint bearing, and the other end of the tappet connecting arm 11 is sleeved and fixed on the surface of an angle arm shaft 12.

The angle arm 13 and the large angle arm 14 are assembled with the two ends of the angle arm shaft 12 by splines and realize transmission fit. The two ends of the angle arm 13 and the big angle arm 14 are correspondingly connected with one end of a first connecting rod 15 and one end of a second connecting rod 17 through knuckle bearings respectively, the other ends of the first connecting rod 15 and the second connecting rod 17 are correspondingly connected with a connecting arm 16, a pull handle 18 is fixed, two groups of connecting arms 16 and pull handles 18 are installed at two ends of a broach 19, a hook 21 is matched with a hook of the broach 19, and the hook 21 is connected with a pull rod which drives a control heald frame to move through a big opening blade 20.

Claims

1. The eccentric wheel opening mechanism of the wide and heavy type mesh blanket weaving machine is characterized by comprising an eccentric wheel (2) in transmission fit with a weaving machine main shaft (1), the eccentric wheel (2) is rotatably assembled with the inner side of a large sleeve (3) through a bearing, the outer edge of the large sleeve (3) is connected with the lower end of a connecting rod connector (6) through a large sleeve pin shaft to realize transmission assembly, the upper end of the connecting rod connector (6) is rotatably fitted with a first swing arm (7), the first swing arm (7) and a second swing arm (9) are respectively in sleeved transmission fit with a pin shaft (8), the other end of the second swing arm (9) is rotatably assembled with the lower end of a tappet (10), the upper end of the tappet (10) is in transmission fit with an angle arm shaft (12), one ends of an angle arm (13) and a large angle arm (14) are respectively in transmission fit with two ends of the angle arm shaft (12), the other ends of the angle arm (13) and the large angle arm (14) are connected with a pull rod driving the heald frame through a broach (19) and a hook (21) with a large opening blade (20).

2. The eccentric opening mechanism of wide and heavy type clothing loom as claimed in claim 1, characterized in that the eccentric (2) is assembled with the loom main shaft (1) through the cam connecting disc (4) and realizes transmission fit.

3. The eccentric opening mechanism of wide and heavy clothing loom as claimed in claim 1, wherein the bearing is fixed on both sides by a stop ring and a large stop ring.

4. The eccentric opening mechanism of wide and heavy clothing loom as claimed in claim 1, characterized in that the upper end of the connecting rod connector (6) is connected with the first swing arm (7) by a joint bearing.

5. The eccentric opening mechanism of wide and heavy clothing loom as claimed in claim 1, characterized in that the first swing arm (7) and the second swing arm (9) are respectively in key fit transmission with the pin shaft (8).

6. Wide and heavy clothing loom eccentric opening mechanism according to claim 1, characterized in that the other end of the second swing arm (9) is rotatably fitted with the tappet (10) through a joint bearing.

7. The wide and heavy clothing loom eccentric wheel shedding mechanism as claimed in claim 1, characterized in that the upper end of the tappet (10) is connected with one end of a tappet connecting arm (11) through a joint bearing, and the other end of the tappet connecting arm (11) is fixed on the surface of the angle arm shaft (12) in a sleeving manner.

8. The eccentric opening mechanism of wide and heavy clothing loom as claimed in claim 1, characterized in that the angle arm (13) and the large angle arm (14) are spline-fitted and drive-fitted to both ends of the angle arm shaft (12).

9. The eccentric shedding mechanism of wide and heavy clothing loom as claimed in claim 1, wherein the two ends of the angle arm (13) and the wide angle arm (14) are respectively connected with one end of a first connecting rod (15) and one end of a second connecting rod (17) through joint bearings, the other ends of the first connecting rod (15) and the second connecting rod (17) are correspondingly connected with a connecting arm (16), a pulling handle (18) is fixed, two groups of connecting arms (16) and pulling handles (18) are installed at two ends of a pulling knife (19), a hook (21) is adapted to a hook of the pulling knife (19), and the hook (21) is connected with a pulling rod which drives the heald frame to move through the shedding large blade (20).