CN2797394Y

CN2797394Y - Rotary multi-arm open device

Info

Publication number: CN2797394Y
Application number: CN 200520079954
Authority: CN
Inventors: 王兰法
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-07
Filing date: 2005-01-07
Publication date: 2006-07-19
Anticipated expiration: 2015-01-07

Abstract

The utility model discloses a rotary type multi-arm opening device, which comprises a heddle frame which is arranged in a loom wall plate, wherein one end of the heddle frame is provided with a heddle returning spring; a control box is arranged on the loom wall plate; a driving mechanism which causes the heddle frame to be lifted and lowered is arranged in the control box; the free end of a heddle lifting swing arm of the driving mechanism is connected with a pull rope which is arranged on the other end opposite to the heddle frame; the driving mechanism is connected with a loom main shaft by power. The utility model uses the driving mechanism to drive the heddle frame to be lifted and lowered by the heddle returning spring and the pull rope, has the advantages of simple structure, flexible operation, and low failure rate, and has the advantages that the utility model is suitable for high-speed running and improves loom efficiency. Compared with the traditional pull hook and pull knife type dobby looms, the speed is increased by more than two times and dynamic force is saved. Simultaneously, the bearing strength of an opening mechanism is increased. The utility model has the advantages of simple structure, and convenient maintenance, being suitable for the warp opening of various heavy fabrics.

Description

Swinging dobby shedding device

Technical field

The utility model relates to a kind of Weaving device, particularly a kind of swinging dobby shedding device.

Background technology

Shuttleless loom with its speed height, vibrating noise is little, reed width is wide, package is big etc., and huge superiority progressively is substituted with loom, has occupied the staple market of loom, the shedding mechanism supporting with it has connecting rod opening, cam shedding, dobby shedding 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, best with the dobby shedding Technological adaptability.There are two kinds of drag hook broaching tool formula and swingings in dobby shedding mechanism according to putting forward brown device difference, drag hook broaching tool formula is not suitable for running up, the opening bearing capacity is limited, and mechanism's complexity, the maintenance difficulty, card prepares loaded down with trivial details, the reading mechanism complexity of card, influence the running speed of dobbies, and swinging manufacturing cost height.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of speed height, swinging dobby shedding device simple in structure, easy to maintenance.

For solving the problems of the technologies described above, the utility model comprises the brown frame that is installed in the loom side, its design feature is: an end of brown frame is provided with back brown spring, on loom side, be provided with control cabinet, the driving mechanism that makes brown frame lifting is installed in the control cabinet, the free end of proposing brown swing arm of driving mechanism connects with the stay cord that is located at the relative other end of brown frame, and driving mechanism is connected with loom main shaft power.

Described driving mechanism comprises the camshaft that is installed on the casing, and driven bevel pinion is installed on the camshaft, is connected with belt pulley power on being installed in loom main shaft through belt pulley with the driving bevel gear of driven bevel pinion engagement; On wall box, be provided with supporting base, proposing brown swing arm is hinged on the supporting base, the free end of proposing brown swing arm is connected with stay cord, its lower end is hinged with push rod, the other end of push rod is hinged with the push rod extension spring of floating fork and linking to each other with wall box, and the interlude of push rod places and is located in the casing diapire slideway; The middle part of unsteady fork is equipped with the runner corresponding with camshaft, is provided with the fork extension spring between its top and the wall box, and the top of the fork that floats is provided with by micro-processor controlled electromagnet, and electromagnet is provided with the armature that is used to lock a floating pendulum masthead end.

Described driving mechanism is some groups, along the camshaft axially-aligned.

The interlude of described unsteady fork is curved, and described runner is installed in the middle part of this segmental arc.

Described driven bevel pinion is installed in the end of camshaft.

Described time brown spring is installed in the bottom of brown frame, and stay cord is connected the top of brown frame, and control cabinet places the top of loom side.

Described time brown spring is installed in the top of brown frame, and stay cord is connected the bottom of brown frame, and control cabinet places the side-lower of loom side.

After adopting said structure, drive brown frame lifting by returning brown spring and stay cord by driving mechanism, simple in structure, manoeuvrable, fault rate is low, is fit to run up, and has improved loom efficiency, compare with traditional drag hook broaching tool formula dobbies, speed improves more than the twice, saves power, and the shedding mechanism bearing strength improves simultaneously, simple in structure, easy to maintenance, the Warp opening of suitable various heavily fabrics.

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

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the power transmission schematic diagram of Fig. 1;

Fig. 3 is the structural representation of the another kind of embodiment of the utility model;

Fig. 4 is the power transmission schematic diagram of Fig. 3;

Fig. 5 is the structural representation of driving mechanism.

The specific embodiment

Fig. 1, Fig. 2, swinging dobby shedding device shown in Figure 5, comprise the brown frame 2 that is installed in the loom side 1, the lower end of palm fibre frame 2 is provided with back brown spring 3, return brown spring 3 other ends fixedly on the loom base plate, stay cord 16 is connected the top of brown frame 2, above loom side 1, be provided with control cabinet 17, the driving mechanism that makes brown frame lifting is installed in the control cabinet 17, this driving mechanism comprises the camshaft 9 that is installed on the casing, camshaft 9 can be a circular shaft, turning cam is installed on it, driven bevel pinion 20 is installed on the camshaft 9, with the driving bevel gear 21 of driven bevel pinion 20 engagement through belt pulley 22, belt 23 is connected with belt pulley 24 power on being installed in loom main shaft 25, and driven bevel pinion 20 is installed in the end of camshaft 9; On wall box, be provided with supporting base 18, proposing brown swing arm 15 is hinged on the supporting base 18, the free end of proposing brown swing arm 15 is connected with stay cord 16, stay cord 16 is by directive wheel 26 guiding that are supported on the loom frame, carry brown swing arm 15 lower ends and be hinged with push rod 14, the other end of push rod 14 is hinged with the push rod extension spring 11 of floating fork 10 and linking to each other with wall box, and the interlude of push rod 14 places and is located in the casing diapire slideway 13; The float position, upper middle of fork 10 is equipped with the runner 12 corresponding with camshaft 9, be provided with fork extension spring 8 between its top and the wall box, the top of unsteady fork 10 is provided with by micro-processor controlled electromagnet 7, electromagnet 7 is provided with the armature 6 that is used to lock unsteady fork 10 tops, electromagnet 7 is supported by the supporting base 19 that is installed on the control cabinet 17, is provided with armature tensioning spring 5 between the support arm of supporting base 19 and armature 6.The interlude of unsteady fork 10 is curved, and described runner 12 is installed in the middle part of this segmental arc.Fig. 1, Fig. 2, Fig. 5 have only provided the structure connection status of one group of palm fibre frame and driving mechanism, this driving mechanism is real to be some groups, be generally the 2-32 group, be generally 16 groups, along camshaft 9 with the certain interval axially-aligned, corresponding with the quantity of brown frame 2, when camshaft 9 has at two high (camshaft 9 is symmetrical cam), loom main shaft 25 takes two turns, camshaft 9 turns around, when camshaft 9 has only at one high (camshaft 9 is eccentric cam), loom main shaft 25 turns around, and camshaft 9 turns around.And the size of the opening amount of every group of palm fibre frame 2 is determined in the installation site of carrying in the brown swing arm 15 by stay cord 16.

Fig. 3, swinging dobby shedding device shown in Figure 4, basic identical with aforementioned structure, difference is that described time brown spring 3 is by carrying the top that brown bar 4 is connected to brown frame 2, return brown spring 3 and carry rod hinge connection between the brown bar 4 on loom frame, stay cord 16 is connected the bottom of brown frame 2, and by directive wheel 26 guiding that are supported on the loom frame, and control cabinet 17 places the below, right side of loom side 1.

Claims

1, a kind of swinging dobby shedding device, comprise the brown frame (2) that is installed in the loom side (1), it is characterized in that: an end of brown frame (2) is provided with back brown spring (3), on loom side (1), be provided with control cabinet (17), control cabinet is equipped with the driving mechanism that makes brown frame lifting in (17), the free end of proposing brown swing arm (15) of driving mechanism connects with the stay cord (16) that is located at the relative other end of brown frame (2), and driving mechanism is connected with loom main shaft (25) power.

2, swinging dobby shedding device according to claim 1, it is characterized in that: described driving mechanism comprises the camshaft (9) that is installed on the casing, driven bevel pinion (20) is installed on the camshaft (9), is connected with belt pulley (24) power on being installed in loom main shaft (25) through belt pulley (22) with the driving bevel gear (21) of driven bevel pinion (20) engagement; On wall box, be provided with supporting base (18), proposing brown swing arm (15) is hinged on the supporting base (18), the free end of proposing brown swing arm (15) is connected with stay cord (16), its lower end is hinged with push rod (14), the push rod extension spring (11) that the other end of push rod (14) is hinged with unsteady fork (10) and links to each other with wall box, the interlude of push rod (14) places and is located in the casing diapire slideway (13); The middle part of unsteady fork (10) is equipped with the runner (12) corresponding with camshaft (9), be provided with fork extension spring (8) between its top and the wall box, the top of unsteady fork (10) is provided with by micro-processor controlled electromagnet (7), and electromagnet (7) is provided with the armature (6) that is used to lock unsteady fork (10) top.

3, swinging dobby shedding device according to claim 2, it is characterized in that: described driving mechanism is some groups, along camshaft (9) axially-aligned.

4, swinging dobby shedding device according to claim 2, it is characterized in that: the interlude of described unsteady fork (10) is curved, and described runner (12) is installed in the middle part of this segmental arc.

5, swinging dobby shedding device according to claim 2, it is characterized in that: described driven bevel pinion (20) is installed in the end of camshaft (9).

6, swinging dobby shedding device according to claim 1, it is characterized in that: described time brown spring (3) is installed in the bottom of brown frame (2), and stay cord (16) is connected the top of brown frame (2), and control cabinet (17) places the top of loom side (1).

7, swinging dobby shedding device according to claim 1, it is characterized in that: described time brown spring (3) is installed in the top of brown frame (2), and stay cord (16) is connected the bottom of brown frame (2), and control cabinet (17) places the side-lower of loom side (1).