CN86210424U

CN86210424U - Ramie cutter

Info

Publication number: CN86210424U
Application number: CN 86210424
Authority: CN
Inventors: 陈咏生
Original assignee: JIANGFENG MACHINERY PLANT CHANGDE HUNAN
Current assignee: JIANGFENG MACHINERY PLANT CHANGDE HUNAN
Priority date: 1986-12-19
Filing date: 1986-12-19
Publication date: 1987-12-05

Abstract

The utility model discloses a ramie cutter which can replace the existing handiwork ramie cutter. Many hemp materials which has different ramie fiber length of the dissimilar variety can be cut by the ramie cutter, which comprise the prime ramie, the extractive dry ramie, the degumming ramie roll, the extractive combing ramie strip, etc. The utility model coordinates the act and automatically implements the cutting of the ramie which has various ramie fiber length into fixed length according to a fixed time relationship in a cutting off fashion of the cooperation of the reamer and the tool by an interval feeding device which is composed of a series of material transportation, a material feeding, a pressing component and a drop guide. The utility model is provided with the integrated electric control and the protecting tache, and has the advantages of high production efficiency and safe operation. Every machine-team can cut the prime ramie 2 Ton averagely and cut the extractive dry ramie 1.2 Ton averagely.

Description

Ramie cutter

The utility model belongs to before the China grass degumming or the short fiber of all lengths specification or the machinery of the fine bast fibre spinning raw material of middle length are made in the back of coming unstuck.

At present, a large amount of ramie cutting machines mainly is that employing is similar to cut paper, chaffcutter, cuts the prescription formula, cuts fiber crops by chopper, and production efficiency is low, and is dangerous; Also useful two mutual pair rollers of the hobboing cutter with a plurality of or single blade are cut fiber crops, owing to can't realize fitting tightly between the blade, part fiber crops material can not be cut off; Also useful several friction-saw sheet is contained on the main shaft that rotates at a high speed side by side, fiber crops are expected the crossfeed cut-out, this cutting machine often high temperature of coping saw blade high speed rotary motion generation burns out the fiber crops material, cut off not thorough, the part fiber involves constantly, and is also pretty troublesome to the adjustment of fiber crops material shearing length specification.

The purpose of this utility model is: adopt the mechanization mode of production, the ramie that can cut off different cultivars such as raw ramie, degummed ramie, numb cake, numb ball reliably, the accurately fine bast fibre spinning raw material of short fiber, middle length of cutting all lengths specification, the production efficiency height, steady quality, easy maintenance, handling safety.

Structure of the present utility model is as follows: one drives the flywheel belt pulley by motor by belt pulley and bead apex and makes crankshaft rotating, drive kink and in the translot of slide block on the crank of bent axle middle part, make horizontal hunting at slider frame, and make the drift that links to each other with slider frame do vertical punching campaign along the vertical guide rail of fuselage to the bottom knife that is fixed on the fuselage workbench with the top blade that tool is sheared the oblique angle, cut off the fiber crops material; Can make simultaneously the connecting rod rotating disk action that is positioned at the bent axle other end because of the rotation of bent axle, thereby drive and crankshaft crank orientation stagger link pin, the action of connecting rod, Shake bar at rule angle one about 90 ° the time, the driving shaft of sending to that makes the ratchet of An Zai Shake bar end promote ratchet and link to each other with ratchet is done the gap and is rotated, and the sending of fiber crops material cut length and limited and adjusted by the ratchet casing outside the ratchet.The driving shaft other end is equipped with the friction clutch and the driving gear that can prevent the raw material obstruction and skid voluntarily, they are pushed against the moment of friction transmission that is produced by compression spring, make the whole gear train that matches with driving gear (comprise big carrier gear, driven gear, little carrier gear, floating gear, the upper feed roll gear, following feeding roller gear) motion, thereby drive and the feeding roller that links to each other to cog, upper feed roll and following feeding roller cooperate and can fluctuate and light face driven voller that axle is not changeed two ends device for exerting clips the fiber crops material and sends cut-out to the cutter pair, and the fiber crops material after the cut-out is exported by the conveyer belt of workbench below.

The utility model is at the ramie raw materials characteristics, designed the scheme of a series of enhancing functional reliabilities: 1. selected to avoid the crooked the best of fiber crops material to stretch in the plot structure to cut length feeding to cut, 2. have and prevent the feeding pressure mechanism that stub bar scatters and rolls before being contained in top blade, 3. have and be contained in down the hoe scaler that the feeding roller front lower place prevents that fiber from twining, 4. being contained in the blocked up or numb material conglomeration that prevents to feed intake of upper feed roll two ends tops is mingled with, 5. the travel switch that can cut off the electricity supply automatically has upper feed roll is changed with thickness of feed layer and keep the floating gear device of normal engaged relation between the driving gear pair and be contained in each feeding during lifting, both sides, retainer plane between the feeding roller prevent stock stop and the drop guide that the fiber crops material wanders off and diverges.

Below in conjunction with accompanying drawing the utility model is described further:

Fig. 1 is the unitary side view of ramie cutting machine

Fig. 2 is a body parts side-looking structure chart

Fig. 3 is Fig. 2 body parts A-A view

Fig. 4 is punching component side TV structure figure

Fig. 5 is Fig. 4 punching components A-A view

Fig. 6 is that Fig. 5 connecting rod rotating disk A is to view

Fig. 7 is the top blade side view

Fig. 8 is the bottom knife side view

Fig. 9 is Fig. 8 bottom knife C view

Figure 10 is Fig. 7 top blade F position cutaway view

Figure 11 is the cutaway view at Fig. 8 bottom knife F position

Figure 12 is the D-D cutaway view that Figure 14 sends parts to

Figure 13 is that Figure 12 sends components A-A cutaway view to

Figure 14 is that Figure 12 sends the part B view to

Figure 15 is the C-C cutaway view of Fig. 14 Shake bar ratchet mechanisms

Figure 16 is that punching is sent feeding of parts to and cut district's partial enlarged drawing

Figure 17 is the output block side view

Figure 18 is Figure 17 output block A-A view

Fig. 1 is the side view of ramie cutting machine, this machine is based on body parts (I), top dress punching parts (II), right side, middle part dress is sent parts (III) to, the left side is output block (IV), the main distribution board of electric control system (V) is contained in the inner chamber of underbelly, when district's work is cut for feeding by (C) portion, the operator lifts electric button, fiber crops are expected the end from arrow (A) direction input, send parts (II) to and fiber crops can be expected be pushed to punching parts (II) is cut off that the cast tow product after the cut-out is fallen the conveyer belt of output block (IV), send by arrow (B) direction, below describe according to the parts gradation again:

A pair of sliding bearing (2) is arranged at the fuselage of Fig. 2 (1) top, motor (13), support of motor (3), the screw (4) of bead apex (15) and adjusting adhesive tape degree of tightness, there is the plane (1-a) through scraping the fuselage inboard, it forms a guide rail of doing vertical punching campaign for drift with two panels (9) with 55 ° of inclined-planes, the horizontal operation table top (1-b) of waist, (1-c) installs following tool rest (28) respectively and sends parts to, axis hole (1-d) is the rigging position of the output driving shaft (68) of output block, the panel of underbelly (11), switchboard (7) and button (6) are the mounted points of electric control system, big belt housing (5), belt lace cover (8) and door closure (10) are safety shield, and (1-e) locates the installation site into low-voltage lighting.

Fig. 4 and Fig. 5 are the punching parts of ramie cutting machine, motor (13) drives belt pulley (14) and drives flywheel belt pulley (16) by three bead apexes (15), make crank (12-a) rotation at bent axle (12) middle part, driving slide block (18) makes horizontal hunting and makes the drift (17) that links to each other with slider frame in the translot of slider frame (19), upper cutter head (25) is done vertical punching campaign along the fuselage guide rail to the fiber crops material with the top blade with the angle of shear (φ) (26), punching speed is 120～160 times/minute, throw of crankshaft (R1) is 27.5 millimeters, bottom knife (27) is installed on the fuselage workbench by following tool rest (28), cooperate top blade to finish the cut-out work that fiber crops are expected, on, the applying situation of bottom knife cutting edge is by screw (24), (29) adjust, upper cutter head can adjust top blade the high and low position (t) of vertical direction and the angle of shear (φ) down tool rest can adjust bottom knife in the horizontal direction front and back position and the depth of parallelism between blade, making up and down, blade can often keep close fit-state mutually.

The bent axle left end is equipped with a cover and is exclusively used in to drive and sends parts to (32 〕 are with the toggle that Shake bar (33) is formed by connecting rod rotating disk (30), link pin (31), connecting rod, the radius of gyration that is positioned at the link pin on the connecting rod rotating disk is 100 millimeters, in order to make raw material send action to and to cut off close look at the swing, the time rule angle (λ) of must staggering with the orientation of crank (12-a), the position of link pin (31) on connecting rod rotating disk (30), present embodiment is 90 ° by the time rule angle of bent axle rotation direction.Being contained in 30 ° of inclined-planes that are subjected to spring guide (20) and binder spring control kink to have a bootable fiber crops material to enter the edge of a knife in holding pad (22) lower end at the outstanding position of drift (17) before the top blade also can stretch with the lifting of top blade, when top blade is descending when cutting fiber crops, holding pad contacts and compresses with the fiber crops material earlier, cutting off the back holding pad is subjected to spring action to continue to push down the fiber crops material, after top blade breaks away from the fiber crops material fully, just rise with drift.

Fig. 7～Figure 11 is cutter auxiliary structure figure, the cutter pair comprises top blade (26) and bottom knife (27), all adopt device of shifting block type cutter hub and linear pattern chisel edge structure, make through the heat treatment fine grinding that hardens with tool steel, long 260～300 millimeters of cutter hub, thick is 20 millimeters, wide is 70 millimeters of top blades, 60 millimeters of bottom knife, on, the point of a knife relief angle (α) of bottom knife is 3 °, 57 ° of the point of a knife angle of wedge (β) top blades, 87 ° of bottom knife, on during installation, the angle of shear (φ) that keeps between the following edge line is 2 °, because it is last, the fixing angle of shear is arranged between the bottom knife, make the cutter pair not only remain the contact of point at work, and can even dash the cut-out fiber crops material that band be cut, bump the cutter accident when preventing toolsetting, one end of fitting at first at bottom knife and top blade has ground the importing inclined-plane of a little sector (27-a) as top blade, and the cross section of bottom knife is made the symmetric shape that can change sides and use.

To be structure chart Shake bar (33) kink of sending parts to go up Shake bar end at driving shaft (48) to Figure 12～Figure 15 ratchet (63) is housed presses to ratchet (46) by sheet spring (47), when connecting rod (32) the Dai Dong of punching parts Shake bar moves, it is 118 millimeters together with main shaft with feeding roller (35) the rotation one Ge angle Shake bar pendulum radius identical Yu Shake bar angle of oscillation (ε) that ratchet just promotes ratchet (46), the radius of gyration of link pin is that 100 millimeters Shake bar pivot angles are 116 °, the ratchet number of teeth is 36 teeth, the feeding roller angle of circumference that is the per tooth correspondence is 10 °, the feeding roller external diameter is 114.5 millimeters, so the moving tooth of ratchet revolution can be sent the fiber crops material to 10 millimeters, 116 ° of the level characteristics Shang Shu Shake bar angles of oscillation that have according to the ratchet transmission can only be dialled 11 teeth of commentaries on classics ratchet at most, be that maximum feed is 110 millimeters, in order to produce the short fiber of many different size class, middle long fine bast fibre spinning raw material, added the ratchet casing (45) of an adjustable restriction ratchet action scope in the ratchet periphery, leave the opening that can allow ratchet and ratchet come in contact on the cover; the ratchet number of teeth that the swing of Shake bar is driven reduces, what fiber crops were expected sends length to also with regard to corresponding minimizing, just can realize the production of all lengths specification product, screw (61) is used for fixing the ratchet casing orientation, and index board (62) can be indicated the product specification in orientation, ratchet place.

Driving shaft (48) other end is equipped with and when feeding roller or feeding roller are stuck by fiber driving gear is skidded to stop the circular cone type friction clutch (54) that the fiber crops material is sent to, it and driving gear (52) push against the moment of friction that is produced by compression spring (53) and drive the whole parts of sending to, comprise big carrier gear (57), driven gear (56), little carrier gear (44), floating gear (37), upper feed roll gear (40), following feeding roller gear (43) and the feeding roller (35) that links to each other with above each gear, upper feed roll (41), following feeding roller (42), using carrier gear is in order to make each roller feeding direction unanimity, and using clutch is to prevent when the fiber crops material blocks to cause overload to make parts impaired.Following feeding roller is by the direct transmission of little carrier gear, upper feed roll is by same small offence axle gear process floating gear indirect drive, it is on the floating bracket (39) at commentaries on classics center that floating gear is installed in little bridge gear shaft, and push the upper feed roll gear to spring (38), make upper feed roll on-stream with thickness of feed layer change and during lifting gear pair can remain normal meshing relation.The cylindrical of two feeding rollers and upper and lower feeding roller is shaped on reliability is sent in increase to the bed of material teeth groove, the nip rolls (36) of feeding roller top is the plain roller of servo-actuated, its axle (51) is not rotated, fluctuate but can change with thickness of feed layer, the axle two ends are by binder spring (50) compacting fiber crops material and impel the bed of material accurately to send to the push rolls surface, and upper feed roll also can upper and lowerly float and by being fixed on the adjustment of exerting pressure of screw (49) on the casing (34).In order to prevent to feed intake blocked up or to block because of the raw material conglomeration is mingled with; except that aforesaid clutch protection is arranged; also respectively installed an electric travel switch (59) at upper feed roll (41) two ends; when the bed of material is allowed thickness above the maximum of design code; or because of the raw material conglomeration, be mingled with when breaking down and can cut off the electricity supply automatically, machine works is ended.

Sending the fiber crops material input port of parts to locates to be equipped with to reduce the back roller (55) of sending resistance to, both sides, retainer plane between each roller of front and back are provided with stock stop (58) and drop guide (60) forms a fiber crops material passageway of shrinking gradually, the fiber crops material from laterally squeezing, is prevented that fork from wandering off.

Figure 16 feeds to cut the local figure in district, from last, following feeding roller is to last, Title between the bottom knife connects the zone and is called " feed and cut the district ", from last, following feeding roller (41,42) center is to last, bottom knife (26,27) horizontal range between the edge of a knife line (S) is " stretches and cut length " that the fiber crops material must rely on the stiff ability support of self directly to advance, in order to make the ramie stripes that passes through combing from last, do not loose after following feeding roller spues and do not stretch into the edge of a knife not curvedly, stretch that to cut length must be foundation to feed straight and upright length and the following feeding roller diameter cut the fiber crops material, choose possible minimum of a value 60～70 millimeter, the following feeding roller diameter of present embodiment is 43 millimeters, (S) value is 66 millimeters, the hoe scaler (23) that keeps minimum gap (0.05～0.08 millimeter) to block automatically breaking the winding fiber with following feeding roller cylindrical is housed feeding to cut in the district on the tool rest (28) down, feeding roller was about 1/2nd of the maximum thickness of feed layer of regulation under hoe scaler was lower than, and the hoe scaler ramp keeps vertical substantially with following feeding roller cylindrical tangent line.

Figure 17, Figure 18 are the output block structure charts, drive output main shaft (68) and output drive roll (69) that is attached thereto and conveyer belt (70) by a small size motor (64) by belt pulley (65) bead apex (66) and output belt pulley (67), fiber crops material after the cut-out is sent outside the machine with the about 1.5 meters speed of per second, screw (71) can be adjusted the conveyer belt degree of tightness by driven voller (73), and dust cover (72) can prevent the fiber that flies upward and can direct product enter subsequent handling.

Electric control system also is provided with limit switch, the unidirectional unified control systems such as low-voltage lighting, tutorial light except the protective devices such as general surpassing carried, decompression, short circuit.

The utility model is saved 50 of labours than cutting by hand fiber crops, saves the area 150 square metres, and average every machine-team is cut 2 tons of raw ramies, cuts 1.2 tons of degummed ramies, and constant product quality is safe and reliable.

Claims

1, a kind of ramie cutting machine by power drive system (comprising the big little carrier gear of carrier gear [57] driven gear [56] [44] floating gear [37] of motor [13] belt pulley [14] bead apex [15] flywheel belt pulley [16] bent axle [12] connecting rod rotating disk [30] link pin [31] connecting rod [32] rocking bar [33] ratchet [46] driving shaft [48] friction clutch [54] driving gear [52]) and raw material punching system (comprising slide block [18] slide block [19] drift [17] top blade [26] bottom knife [27]) raw material feeding system (comprising back roller [55] feeding roller [35] nip rolls [36] binder spring [50] holding pad [22] upper feed roll [41] feeding roller [42] down) and product output system formation, it is characterized in that: the useful tool steel is made through the grinding of hardening has the horizontal cutter of straight line, point of a knife has and is maintained fixed the angle of shear between the little relief angle edge line and is made of the cutter pair of having only a contact point all the time top blade [26] and bottom knife [27], the hoe scaler [23] that can prevent that fiber from twining is arranged, the holding pad [22] that can avoid the fiber crops material to be taken up by cutter is arranged, have and borrow spring [38] to push upper feed roll gear [40] to make upper feed roll [41] change and remain the floating gear [37] of gear pair normal engaged relation during lifting in thickness of feed layer, to feed the straight and upright length cut the fiber crops material and following feeding roller diameter serves as that to cut length [S] according to stretching of designing be 60～70 millimeter, must stagger with the orientation of crank [12-a] and advise angle [λ] one the time in the position of link pin [31] on connecting rod rotating disk [30].

2, ramie cutting machine according to claim 1 is characterized in that ratchet (46) periphery added one the opening that can allow ratchet (63) contact with ratchet is arranged, thereby adjusts the ratchet casing (45) of cutting numb length specification at any time in order to restriction ratchet action scope.

3, ramie cutting machine according to claim 1 is characterized in that driving shaft (48) one ends are equipped with when feeding roller or feeding roller are stuck by fiber driving gear (52) to be skidded to stop the circular cone type friction clutch (54) that the fiber crops material is sent to.

4, ramie cutting machine according to claim 1, it is characterized in that being lower than down that feeding roller (42) is about the maximum thickness of feed layer 1/2nd of regulation, ramp is basic vertical with following feeding roller cylindrical tangent line and keep minimum gap to block automatically breaking the hoe scaler (23) of winding fiber with following feeding roller cylindrical.

5, ramie cutting machine according to claim 1, it is characterized in that cylindrical is shaped on can increase feeding roller (35), upper feed roll (41) and the following feeding roller (42) that fiber crops material is sent the teeth groove of reliability to, has to fluctuate and axle is not changeed, two ends are provided with the numb materials device of compacting light face nip rolls (36) with the thickness of feed layer variation.

6, ramie cutting machine according to claim 1 or 5 is characterized in that both sides, retainer plane between each roller have can prevent that fiber crops material fork from wandering off and from laterally the fiber crops material is squeezed the stock stop (58) and the drop guide (60) that hold together toward the centre.

7, ramie cutting machine according to claim 1, it is characterized in that upper feed roll (41) two ends tops respectively be equipped with one can feed intake blocked up or because of the raw material conglomeration, be mingled with the electric travel switch that can cut off the electricity supply automatically when breaking down.