CN106694983A

CN106694983A - Cutting mechanism

Info

Publication number: CN106694983A
Application number: CN201710126668.4A
Authority: CN
Inventors: 李军计
Original assignee: Suichang County Rui Ding Science And Technology Service Co Ltd
Current assignee: Xuzhou Tiancheng Intelligent Technology Co.,Ltd.
Priority date: 2017-03-03
Filing date: 2017-03-03
Publication date: 2017-05-24
Anticipated expiration: 2037-03-03
Also published as: CN106694983B

Abstract

The invention discloses a cutting mechanism. The cutting mechanism comprises a box body mounted on the upper surface of a middle fixed plate; a cutter shaft is horizontally mounted in the box body; a plane bearing 1 is mounted at one end, towards a feed port, of the cutter shaft; the outer periphery of the plane bearing 1 is sleeved with a movable sleeve; guide columns and cutter frames are arranged on the outer end surface of the plane bearing 1; a plane bearing 2 and a combination cap are mounted at one end, toward a discharge port, of the cutter shaft; the outer periphery of the middle part of the cutter shaft is fixedly sleeved with a belt wheel; two connecting rods are inserted in the middle fixed plate; an upper fixed plate is fixedly mounted at the upper ends of the two connecting rods; a limiting screw rod is downwards mounted on the center line of the upper fixed plate; taper cutter feeding rods are respectively hung on two edges of the upper fixed plate; the two taper cutter feeding rods are downwards connected with two guide columns; each guide column is in transmission connection with one corresponding cutter frame; a bearing bracket is mounted at the lower ends of the two connecting rods; and a bearing 2 in the bearing bracket is in rolling contact with the outer peripheral surface of a cam. The device is standard in cutting surface and stable in product quality.

Description

Material cutting mechanism

Technical field

The invention belongs to mechanical equipment technical field, for processing elastic cylindrical pin, it is related to a kind of material cutting mechanism.

Background technology

Existing elastic cylindrical pin product purpose is very wide, and in various locksets, stainless steel furniture connecting component, consumption reaches spiral shell / 10th of silk nut.But in the production of conventional elastic cylindrical pin, the tubular raw material long for cracking is difficult directly cutting, otch It is easily deformed so that product cut surface is nonstandard, influences overall crudy.

The content of the invention

The invention provides a kind of material cutting mechanism, solve the tubular raw material long that prior art cracks and be difficult directly cutting, Otch is easily deformed, and influences the problem of finished product total quality.

The technical scheme is that, a kind of material cutting mechanism is included in worktable upper surface and is installed with middle fixed plate, in Fixed plate upper surface is provided with casing, and horizontal direction is provided with cutter shaft by two groups of bearings one in casing, and cutter shaft is towards charging aperture One end is provided with plane bearing one, and the excircle of plane bearing one is set with movable sleeve, and the outer face of plane bearing one is provided with guide pillar And knife rest；Cutter shaft is provided with plane bearing two and simultaneously cap towards discharging opening one end, and cutter shaft middle part excircle fixed cover is equipped with belt Wheel, knife rest is equipped with left-handed rotor and dextrorotation rotor, and cutter shaft front sets inclined ejecting plate；

Two connecting rods are installed with vertically in middle fixed plate, the upper end of two connecting rods is installed with upper mounted plate jointly, The center line of upper mounted plate is provided with downwards Limit screw, and the both sides that upper mounted plate is symmetrical in Limit screw are hung with one respectively Taper feed rod, two taper feed rods are connected downwards with two guide pillars in casing, and each guide pillar is corresponding with knife rest to be passed Dynamic connection；Two lower ends of connecting rod are installed with the support of bearing jointly after passing workbench downwards, the water in the support of bearing Bearing two is set with flat axle, bearing two is in rolling contact with peripheral cam surface.

The beneficial effects of the invention are as follows, automatic machinery processing is realized, cut surface standard, product quality stabilization is saved Human cost, substantially increases operating efficiency, is easy to promote.

Brief description of the drawings

Fig. 1 is the partial structural diagram one of apparatus of the present invention；

Fig. 2 is the partial structural diagram two of apparatus of the present invention；

Fig. 3 is the structural representation of the material cutting mechanism D in the present invention；

Fig. 4 is the structural representation of the blade holder part in material cutting mechanism D of the present invention.

In figure, 1, knife rest, 2, guide pillar, 3, movable sleeve, 4, plane bearing one, 5, belt pulley, 6, bearing one, 7, plane bearing Two, 8 and cap, 9, cutter shaft, 10, lower spring, 11, upper spring, 12, Limit screw, 13, taper feed rod, 14, casing, 15, convex Wheel, 16, bearing two, the 17, support of bearing, 18, connecting rod, 19, upper mounted plate, 20, middle fixed plate, 21 inclined ejecting plates, 22 anticlockwises Knife, 23 dextrorotation rotors, 24 rotary handles.

In addition, A is stretching head pressure arm, B is stretching head section mechanism, and C is hold-down mechanism, and D is material cutting mechanism, and E is Shedding mechanism, F is actuating unit.

Specific embodiment

Reference picture 1, Fig. 2, the overall structure of elastic cylindrical pin processing unit (plant) where the present invention is, according to walking to expect route, Stretching head pressure arm A, stretching head section mechanism B, hold-down mechanism C, material cutting mechanism D, shedding mechanism E are disposed with, wherein Stretching head section mechanism B, hold-down mechanism C, material cutting mechanism D, shedding mechanism E respectively pass through respective drive disk assembly and actuating unit F is connected.

Reference picture 3, Fig. 4, the structure of material cutting mechanism D is to be included in worktable upper surface to be installed with middle fixed plate 20, The upper surface of middle fixed plate 20 is provided with casing 14, and horizontal direction is provided with cutter shaft 9, cutter shaft 9 by two groups of bearings 1 in casing 14 Plane bearing 1 is installed towards charging aperture one end, the excircle of plane bearing 1 is set with movable sleeve 3, outside plane bearing 1 End face is provided with guide pillar 2 and knife rest 1；Cutter shaft 9 is provided with plane bearing 27 and and cap 8, the middle part of cutter shaft 9 towards discharging opening one end Excircle fixed cover is equipped with belt pulley 5；Knife rest 1 is equipped with left-handed rotor 22 and dextrorotation rotor 23, left-handed rotor 22 and dextrorotation Rotor 23 transfers cutting straight pin by quick left-right rotary, is one of critical component；The front of cutter shaft 9 sets inclined ejecting plate 21, cant The balance thrust that plate 21 is moved forward to the straight pin one of processing, it is one of critical component to be also.

Two connecting rods 18 are installed with middle fixed plate 20 vertically, two upper ends of connecting rod 18 are installed with solid jointly Fixed board 19, the center line of upper mounted plate 19 is provided with downwards Limit screw 12, and upper mounted plate 19 is symmetrical in the two of Limit screw 12 Side is hung with a taper feed rod 13 respectively, and two taper feed rods 13 are connected downwards with the guide pillar 2 in casing 14, guide pillar 2 It is connected with knife rest 1, two knife rests 1 drive left-handed rotor 22 and dextrorotation rotor 23 to rotate respectively, realizes cutting；Two connections The lower end of bar 18 is installed with the support of bearing 17 jointly after passing workbench downwards, is set with the trunnion axis in the support of bearing 17 There is bearing 2 16, bearing 2 16 is in rolling contact with the outer peripheral face of cam 15；The hypomere of two connecting rods 18 is respectively installed with one Spring 10, the two ends apical grafting of each lower spring 10 is between the support of bearing 17 and workbench lower surface；Two connecting rods 18 it is upper Section is respectively installed with a upper spring 11, and the two ends apical grafting of spring 11 is between upper mounted plate 19 and middle fixed plate 20 on each.

When the major axis of cam 15 goes to uppermost position in fig-ure, bearing 2 16 does not stress, and the support of bearing 17, upper mounted plate 19 are upward together Top is moved to, two taper feed rods 13 are driven and moved on guide pillar 2 and knife rest 1, realize that cutter is separated, and tubular material is moved forward；When The major axis of cam 15 goes to lowermost position and puts, and the stress of bearing 2 16, the support of bearing 17, upper mounted plate 19 move to bottom, two downwardly together Root taper feed rod 13 drives guide pillar 2 to be moved down with knife rest 1.

Limit screw 12 is used to limit the lower pan position of the support of bearing 17, upper mounted plate 19, when upper mounted plate 19 is moved down into Constantly, the apical grafting of Limit screw 12 prevents upper and lower cutter hypotelorism to preset distance in the upper surface of casing 14.

Belt pulley 5 is connected with transmission mechanism, for driving guide pillar 2 to be rotated with knife rest 1, rupturing operation is carried out to tubular material, Obtain the finished parts of well cutting.

Actuating unit F is connected with eccentric drive shaft, and above-mentioned cam 15 and belt pulley 5 is provided with the eccentric drive shaft, So that cam 15 and belt pulley 5 carry out eccentric motion, the chi that predetermined interval time passes through major axis of cam in predetermined angular It is very little to determine, realize the reach of tubular material each step-length and corresponding cutting operation.

Two upper ends of connecting rod 18 are also equipped with rotary handle 24, and the setting of rotary handle 24 facilitates manual adjustment to grasp Make.

Claims

1. a kind of material cutting mechanism, it is characterized in that：It is included in worktable upper surface and is installed with middle fixed plate (20), middle fixed plate (20) upper surface is provided with casing (14), and horizontal direction is provided with cutter shaft (9), knife by two groups of bearings one (6) in casing (14) Axle (9) is provided with plane bearing one (4) towards charging aperture one end, and the excircle of plane bearing one (4) is set with movable sleeve (3), puts down The outer face of spherical bearing one (4) is provided with guide pillar (2) and knife rest (1)；Cutter shaft (9) is provided with plane bearing two towards discharging opening one end (7) and and cap (8), cutter shaft (9) middle part excircle fixed cover is equipped with belt pulley (5)；Knife rest (1) is equipped with left-handed rotor (22) With dextrorotation rotor (23), cutter shaft (9) front sets inclined ejecting plate (21)；

Two connecting rods (18) are installed with vertically in middle fixed plate (20), the upper end of two connecting rods (18) is installed with jointly Fixed plate (19), the center line of upper mounted plate (19) is provided with downwards Limit screw (12), and upper mounted plate (19) is symmetrical in spacing The both sides of screw rod (12) are hung with a taper feed rod (13) respectively, two taper feed rods (13) downwards with casing (14) in The connection of two guide pillars (2), each guide pillar (2) is corresponding with knife rest (1) to be connected；Two lower ends of connecting rod (18) to Under pass workbench after be installed with the support of bearing (17) jointly, be set with bearing two on the trunnion axis in the support of bearing (17) (16), bearing two (16) is in rolling contact with cam (15) outer peripheral face.

2. material cutting mechanism according to claim 1, it is characterized in that：The hypomere of two described connecting rods (18) is set with There is a lower spring (10), the two ends apical grafting of each lower spring (10) is between the support of bearing (17) and workbench lower surface；Two The epimere of root connecting rod (18) is respectively installed with a upper spring (11), and the two ends apical grafting of spring (11) is in upper mounted plate on each (19) between middle fixed plate (20).

3. material cutting mechanism according to claim 1, it is characterized in that：Two connecting rod (18) upper ends are also equipped with rotation hand Handle (24).