CN102505299A

CN102505299A - Slitter edge shear device of rapier loom

Info

Publication number: CN102505299A
Application number: CN2011103334890A
Authority: CN
Inventors: 程垂璋; 程小军; 张澄
Original assignee: CHANGZHOU NUOVOTEC MACHINERY Inc
Current assignee: CHANGZHOU NUOVOTEC MACHINERY Inc
Priority date: 2011-10-27
Filing date: 2011-10-27
Publication date: 2012-06-20
Anticipated expiration: 2031-10-27
Also published as: CN102505299B

Abstract

The invention provides a slitter edge shear device of a rapier loom. The device comprises a fixed cutter body, a moving cutter body and a transmission shaft supported by a rack, wherein blades are respectively arranged at the front parts of the fixed cutter body and the moving cutter body; the front part of the moving cutter body is arranged outside the front part of the fixed cutter body; an eccentric bushing is connected to the transmission shaft; a transmission wheel is connected outside the eccentric bushing by virtue of a bearing; a transmission part is fixed on the end face of the transmission wheel; a first hinge pin is arranged in the intermediate hinge pin hole of the moving cutter body and the upper hinge pin hole of the transmission part, so that the moving cutter body is movably connected with the transmission part; a U-shaped shank is arranged at the rear part of the fixed cutter body; the rear part of the moving cutter body is inserted between inner and outer walls forming the U-shaped shank of the fixed cutter body; a second hinge pin is used for movably connecting the inner and outer walls via rear hinge pin holes on the inner and outer walls forming the shank and a rear hinge pin hole on the moving cutter body; and a spring is arranged on the second hinge pin and positioned between the moving cutter body and the outer wall forming the shank. The device has a simple structure and can be used for shearing slitter edges continuously, stably and reliably.

Description

The waste selvage scissors device of Rapier looms

Technical field

The present invention relates to the parts of Rapier looms, is the waste selvage scissors device of Rapier looms.

Background technology

Chinese patent number is the waste selvage scissors that 00202579.5 utility model patent specification discloses a kind of Rapier looms; Knife rest is provided with fixed cutter body; Be provided with power transmission shaft in the axis hole of knife rest; The one of which end is associated with movable cutter hub, is close proximity to the fixed cutter body outside, is associated with driving lever on the power transmission shaft and is provided with spring.The movable cutter hub of above-mentioned utility model rotates under external force with fixed cutter body and cooperates completion to shear, and after external force disappears, utilizes the torsion of spring, and movable cutter hub resets, and this is resetting of a kind of passive type.After long-time the use, can influence shear action, thereby cause the slitter edge shearing motion to lose efficacy because of spring fatigue.Reset if can continue that the movable cutter hub application of force is carried out movable cutter hub, promptly adopt resetting of active type, then can avoid above-mentioned and take place because of spring fatigue causes slitter edge shearing motion failure phenomenon by the external force of accomplishing shear action.

Summary of the invention

The objective of the invention is to propose a kind of waste selvage scissors device that adopts the Rapier looms that active type resets.

For achieving the above object, the present invention takes following technical scheme.

The waste selvage scissors device of the Rapier looms that the present invention proposes comprises fixed cutter body and movable cutter hub, and the front portion of fixed cutter body and movable cutter hub is respectively equipped with blade; Said fixed cutter body is fixed on the frame, and movable cutter hub front portion is in the anterior outside of fixed cutter body, it is characterized in that: also comprise the power transmission shaft by rack support; Be connected with eccentric bushing on the said power transmission shaft; The outside of eccentric bushing is connected with drive through bearing, is fixed with a driving member on the end face of drive, and the top of driving member is provided with the upper pin hole; The rear portion and the middle part of movable cutter hub are respectively equipped with rear pin shaft hole and middle pin shaft hole; Be provided with first bearing pin in the middle pin shaft hole of movable cutter hub and the upper pin hole of driving member, movable cutter hub and driving member formed be dynamically connected, the rear portion of said fixed cutter body is the U-shaped shank; Respectively be provided with the rear pin shaft hole on the inner and outer wall of formation U-shaped shank; Insert between the inside and outside wall of fixed cutter body at the rear portion of said movable cutter hub, by the rear pin shaft hole of second bearing pin through rear pin shaft hole on the inside and outside wall of fixed cutter body shank and movable cutter hub both is dynamically connected, on second bearing pin and be between the outer wall of movable cutter hub and fixed cutter body shank and be provided with spring.

Be provided with oscillating bearing in the pin shaft hole of said driving member, first bearing pin inserts in the oscillating bearing.

The present invention has following good effect: in this device; The motion of movable cutter hub is by not stopping rotating drive shafts; Drive driving member through the eccentric bushing on it, bearing, drive and produce continuous reciprocating motion, thereby drive activity cutter hub is made shearing and reseting movement continuously, through spring the gap between movable scissors and the fixed blade is adjusted; So the present invention is simple in structure, the slitter edge shear action is continuous, stable, reliable.

Description of drawings

Fig. 1 is a configuration diagram of the present invention.

Fig. 2 is the side view of Fig. 1.

Fig. 3 is the vertical view of Fig. 1.

The specific embodiment

Embodiment 1

Present embodiment comprises fixed cutter body 1 and movable cutter hub 2; The anterior releasable connection of fixed cutter body 1 has blade 3-1; The anterior releasable connection of movable cutter hub 2 has blade 3-2, and movable cutter hub 2 front portions are in the outside of fixed cutter body 1 front portion, and both blades are near forming scissors.On the frame 10 of Rapier looms, be provided with gripper shoe 10-1, said fixed cutter body 1 rear portion is fixed on the gripper shoe 10-1 of frame 10, and frame 10 upper supports have power transmission shaft 4, and power transmission shaft 4 is by the actuating unit driven rotary of complete machine.Be connected with eccentric bushing 5 on the said power transmission shaft 4, eccentric bushing 5 is fixed on the power transmission shaft 4 by lock-screw 14.The outside of eccentric bushing 5 is connected with drive 7 through bearing 6, and bearing 6 adopts deep groove ball bearing.Be fixed with a driving member 8 on the end face of drive 7, driving member 8 is the racket shape, and the bottom is enclosed within the outside of eccentric bushing 5 for the ring-type pine, and driving member 8 is to be fixed on the end face of drive 7 with screw 15.The top of driving member 8 is provided with the upper pin hole; The rear portion and the middle part of movable cutter hub 2 are respectively equipped with rear pin shaft hole and middle pin shaft hole; Be provided with oscillating bearing 13 in the pin shaft hole of driving member 8; Be provided with first bearing pin 11 in the middle pin shaft hole of movable cutter hub 2 and the oscillating bearing 13 of driving member 8, movable cutter hub 2 formed with driving member 8 be dynamically connected, first bearing pin 11 adopts bolt and nut secondary.The rear portion of said fixed cutter body 1 is U-shaped shank 1-1; U-shaped shank 1-1 comprises inwall 1-1a and outer wall 1-1b; The rear portion of main body is inwall 1-1a; The rear portion of main body connects panel-like member as outer wall 1-1b, respectively is provided with the rear pin shaft hole on inwall 1-1a and the outer wall 1-1b, between the inside and outside wall 1-1a of the rear portion insertion fixed cutter body 1 of said movable cutter hub 2, the 1-1b; Both are dynamically connected through the last rear pin shaft hole of inside and outside wall 1-1a, the 1-1b of fixed cutter body shank 1-1 and the rear pin shaft hole of movable cutter hub 1 by second bearing pin 12, on second bearing pin 12 and be between the outer wall 1-1b of movable cutter hub 2 and fixed cutter body shank 1-1 and be provided with spring 13.Spring 13 is used for the gap between the blade 3-2 of blade 3-2 and fixed cutter body 1 of adjustment activity cutter hub 2.

When power transmission shaft 4 rotations; Drive eccentric bushing 5 rotations,, cut off the transmission of torque between eccentric bushing 5 and the drive 7 owing to connect by bearing 6 between eccentric bushing 5 and the drive 7; Drive drives driving member and does continuous reciprocating motion, and drive activity cutter hub is done to shear and reseting movement continuously.

Claims

1. the waste selvage scissors device of a Rapier looms; Comprise fixed cutter body (1) and movable cutter hub (2); The front portion of fixed cutter body (1) and movable cutter hub (2) is respectively equipped with blade (3-1,3-2); Said fixed cutter body (1) is fixed on the frame (10); Movable cutter hub (2) front portion is in the anterior outside of fixed cutter body (1); It is characterized in that: comprise also that by the power transmission shaft (4) of frame (10) supporting be connected with eccentric bushing (5) on the said power transmission shaft (4), the outside of eccentric bushing (5) is connected with drive (7) through bearing (6); Be fixed with a driving member (8) on the end face of drive (7); The top of driving member (8) is provided with the upper pin hole, and the rear portion of movable cutter hub (2) and middle part are respectively equipped with rear pin shaft hole and middle pin shaft hole, is provided with first bearing pin (11) in the upper pin hole of the middle pin shaft hole of movable cutter hub (2) and driving member (8); Movable cutter hub (2) and driving member (8) are formed to be dynamically connected; The rear portion of said fixed cutter body (1) is U-shaped shank (1-1), respectively is provided with the rear pin shaft hole on the inwall (1-1a) of formation U-shaped shank (1-1) and the outer wall (1-1b), and insert between the inside and outside wall (1-1a, 1-1b) of fixed cutter body (1) at the rear portion of said movable cutter hub (2); Both are dynamically connected through the rear pin shaft hole on the inside and outside wall (1-1a, 1-1b) of fixed cutter body shank (1-1) and the rear pin shaft hole of movable cutter hub (1) by second bearing pin (12), second bearing pin (12) is gone up and is between the outer wall (1-1b) of movable cutter hub (2) and fixed cutter body shank (1-1) and is provided with spring (13).

2. the waste selvage scissors device of Rapier looms according to claim 1 is characterized in that: be provided with oscillating bearing (13) in the pin shaft hole of said driving member (8), in first bearing pin (11) the insertion oscillating bearing (13).