CN2771238Y - Palm frame lifting drive device - Google Patents

Abstract

The utility model discloses a palm frame lifting driving device, which comprises a palm lifting connecting rod which is connected to the palm frame, wherein a control box is arranged on a support frame of a loom; an eccentric shaft is arranged in the control box; the end part of the eccentric shaft is provided with a driven bevel gear; a driving bevel gear engaged with the driven bevel gear is connected with a loom main shaft by power; a floating swing arm is sheathed on the eccentric shaft; the lower end of the floating swing arm is arranged in a limiting slide seat arranged on the bottom face of the control box; the upper end of the floating swing arm is controlled by an opposite armature; the armature is controlled by an electromagnet controlled by a microcomputer; the lower part of the floating swing arm is hinged with a connecting rod of a swing arm hinged with a palm lifting swing arm; the lower end of the palm lifting swing arm is supported on a box body of the control box by a swing arm shaft; the upper end of the palm lifting swing arm is hinged with the palm lifting connecting rod. The utility model has the advantages of simple structure and convenient maintenance, and is suitable for the requirements of high-speed running.

Description

Palm fibre frame lifting drive

Technical field

The utility model relates to a kind of Weaving device, particularly a kind of brown frame lifting drive.

Background technology

Shuttleless loom is because the speed height, vibrating noise is little, reed width is wide, the big geometric ratio of package has the shuttle facility that bigger superiority is arranged, represented the developing direction of loom, the used shedding mechanism of shuttleless loom has connecting rod opening, cam shedding, dobby shedding, jacquard weave opening etc. several.The connecting rod shedding mechanism is simple in structure, but can only be used to process plain cloth, and opening process relative quiescent time of scope is little, only uses to some extent on water spray, loom such as jet; Cam shedding mechanism is because cam is easy to wear, and is higher to mechanism's material and requirement on machining accuracy, and fabric variety is limited, can only knit the little fabric of system weft yarn period, greater than 8 o'clock, generally adopts dobby shedding in the weft yarn circulation; There are two kinds of drag hook broaching tool formula and swingings in dobby shedding mechanism according to putting forward brown device difference, and drag hook broaching tool formula is not suitable for running up, and the opening bearing capacity is limited.And be used to drive the drive unit of brown frame lifting, adapt to the requirement that runs up because of need, the general employing has micro-processor controlled electromagnetic actuator device, the innermost being handle device that the eccentric mechanism device of eccentric disc form is arranged and combine with turning cam by driving lever etc., but conventional device complex structure, the maintenance difficulty, the manufacturing cost height.

Summary of the invention

The technical problems to be solved in the utility model provide a kind ofly be fit to run up, brown frame lifting drive simple in structure, easy to maintenance.

For solving the problems of the technologies described above, the utility model comprises and is connected to the brown connecting rod of carrying of brown frame, its design feature is: be provided with control cabinet on the loom support, eccentric shaft is installed in the control cabinet, the end of eccentric shaft is equipped with driven bevel pinion, is connected with loom main shaft power with the driving bevel gear of driven bevel pinion engagement; On eccentric shaft, be set with unsteady swing arm, the lower end of unsteady swing arm places the limiting slide seat that is installed on the control cabinet bottom surface, float the swing arm upper end by opposed armature control, and armature is by micro-processor controlled magnet control, has and carries the hinged swing arm connecting rod of brown swing arm in the lower hinge of the swing arm of floating; Carry brown swing arm lower end and be supported on the control cabinet casing, carry brown swing arm upper end and carry brown rod hinge connection by arm shaft.

Middle part in limiting slide seat has spacing hole, and the lower end of the swing arm of floating is equipped with rotor, and rotor places spacing hole, and the middle part of the upper and lower working face of spacing hole is slidingly equipped with position limiting slide block, and stage clip is installed on the position limiting slide block.

After adopting said structure, work as work of electromagnet, armature blocks when floating the swing arm upper end, under the effect of eccentric shaft, the swing arm lower end edge limiting slide seat left and right horizontal direction of floating moves, drive brown frame upper and lower opening by proposing brown swing arm by carrying brown connecting rod, and when electromagnet was not worked, the swing arm upper end of floating became free end, the lower end is fixed, thereby brown frame is still on a certain position, and it is simple in structure, easy to maintenance, the requirement that suitable loom runs up.

Description of drawings

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail:

Fig. 1 is an overall structure schematic diagram of the present utility model;

Fig. 2 is the structural representation of brown frame lifting drive;

Fig. 3 is the structural representation of limiting slide seat among Fig. 2;

Fig. 4 is the structural representation of eccentric shaft and driven bevel pinion among Fig. 2;

Fig. 5 is the structural representation of unsteady swing arm among Fig. 2.

The specific embodiment

Brown frame lifting drive shown in the drawings, brown frame 2 is installed in loom side 1, loom side 1 top is equipped with support, be provided with the brown bar 27 of carrying that is connected with brown frame 2 in the support, the upper end of carrying brown bar 27 is hinged through connecting rod 25 by left and right sides swing arm (26,24), left and right sides swing arm (26,24) is supported on the rack side wall by back shaft, is hinged with on the right swing arm 24 to carry brown connecting rod 19.On the loom support, be provided with control cabinet 18, eccentric shaft 9 is installed in the control cabinet 18, the two end supports of eccentric shaft 9 is on control cabinet 18 sidewalls, the end of eccentric shaft 9 is equipped with driven bevel pinion 8, and the timing belt pulley 4 of driving bevel gear 7 on its timing belt pulley 6 and loom main shaft 3 that meshes with driven bevel pinion 8 linked together by synchronous belt 5; On eccentric shaft 9, be set with the swing arm 10 of floating, the swing arm 10 of floating is provided with slotted eye 28, eccentric shaft 9 is sleeved in this slotted eye 28, the lower end of unsteady swing arm 10 places the limiting slide seat 12 that is installed on control cabinet 18 bottom surfaces, by limiting slide seat 12 restriction swing arm 10 lower ends the moving in the horizontal direction of floating, specific constructive form is: have spacing hole 29 in the middle part of limiting slide seat 12, spacing hole 29 is two, the middle perforation, the lower end of unsteady swing arm 10 is equipped with rotor 11, this rotor 11 can be a bearing, rotor 11 places spacing hole 29, on the spacing hole 29, the middle part of following working face is slidingly equipped with position limiting slide block 13, but position limiting slide block 13 in the vertical directions move, stage clip 14 is installed on the position limiting slide block 13, the spacing slideway of being made up of position limiting slide block 13 and spacing hole 29 is dumbbell shaped, be subjected to setting under the situation of active force at rotor 11, spacing hole from an end slides into the spacing hole of the other end in the horizontal direction, the process that the swing arm 10 lower end left and right horizontal of floating move is exactly the process of brown frame upper and lower opening.Certainly, the combination of limiting slide seat 12 and unsteady swing arm 10 lower ends can be adopted other version, as the Electromagnetic Control mode.Float swing arm 10 upper ends by opposed armature 22 controls, and armature 22 is installed on the electromagnet stent 20, and electromagnet stent 20 is supported on the rack side wall, is connected with extension spring 21 between armature 22 and the electromagnet stent 20, and armature 22 is by micro-processor controlled electromagnet 23 controls.In the lower hinge of the swing arm 10 of floating the swing arm connecting rod 15 hinged with proposing brown swing arm 17 arranged; Carry brown swing arm 17 lower ends and be supported on control cabinet 18 casings, carry brown swing arm 17 upper ends and to carry brown connecting rod 19 hinged by arm shaft 16.Fig. 1, Fig. 2 have only provided the connection status of one group of palm fibre frame and brown frame lifting drive, some groups of this palm fibre frame lifting drives, be generally 16 groups, corresponding with the quantity of brown frame 2, float swing arm 10 along eccentric shaft 9 with the certain interval axially-aligned, and limiting slide seat 12, armature 22 etc. and unsteady swing arm 10 corresponding settings.

Claims (2)

1, a kind of brown frame lifting drive, comprise and be connected to the brown connecting rod of carrying of brown frame (19), it is characterized in that: on the loom support, be provided with control cabinet (18), eccentric shaft (9) is installed in the control cabinet (18), the end of eccentric shaft (9) is equipped with driven bevel pinion (8), is connected with loom main shaft (3) power with the driving bevel gear (7) of driven bevel pinion (8) engagement; On eccentric shaft (9), be set with unsteady swing arm (10), the lower end of unsteady swing arm (10) places the limiting slide seat (12) that is installed on control cabinet (18) bottom surface, unsteady swing arm (10) upper end is controlled by opposed armature (22), armature (22) is by micro-processor controlled electromagnet (23) control, has and carries the hinged swing arm connecting rod (15) of brown swing arm (17) in the lower hinge of the swing arm (10) of floating; Carry brown swing arm (17) lower end and be supported on control cabinet (18) casing, carry brown swing arm (17) upper end and carry brown connecting rod (19) hinged by arm shaft (16).

2, brown frame lifting drive according to claim 1, it is characterized in that: have spacing hole (29) in the middle part of limiting slide seat (12), the lower end of unsteady swing arm (10) is equipped with rotor (11), rotor (11) places spacing hole (29), the middle part of the upper and lower working face of spacing hole (29) is slidingly equipped with position limiting slide block (13), and stage clip (14) is installed on the position limiting slide block (13).

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