CN2184348Y - Sectional cutter for open type slide fastener teeth - Google Patents

Abstract

The utility model relates to a sectional cutter for slide fastener teeth. The utility model is characterized in that a motive power motor (6), a bearing seat (7), a cam (8) and an eccentric shaft wobble shaft (9) are connected in series through a core shaft; the inner part of the lower cutter seat (5) of a cutting mechanism (2) is provided with a cutter shelf (20), both sides of the upper surface of the lower cutter seat are respectively coated with top seats (28), and the bottom of the lower cutter seat is provided with a support holder (30); the upper side of the upper cutter seat (4) of the cutting mechanism (2) is locked with an upper propping cutter (32) which is corresponding to the top cutter (21) of the lower cutter seat (5), and both sides of the upper cutter seat are respectively provided with curving extending rods (40). The product can make an opening type slide fastener pre-reserve needed semi-teeth in the process of the sectional operation, is convenient to install and use a slide fastener head, and can also prevent the situation of the caused wire disengaging of the slide fastener teeth after the cutter of the sectional cutter cuts sewing wires.

Description

Sectional cutter for open type slide fastener teeth

The utility model relates to a kind of zipper sprocket step cut machine.

Zipper sprocket guillotine structure in the past, improving not to the utmost to possess following shortcoming arranged owing to its design:

At first, it mainly is to carry out cutting of sprocket by the nose part of the cutting device both sides that are positioned at the support top, yet this nose part is a flat shape of the mouth as one speaks point of a knife, therefore, it is on cutting annular sprocket during foot, be in the unified mode that cuts for it with sprocket to be cut, and when hitting acoustic device and cooperate protruding member to rise to remove tooth, then be to treat that cutting removes fully, this mode of going full-depth tooth, it is when making the open-type slide fastener, cause easily and make last puzzlement, and the increase operation procedure, lower the production capacity of position chain manufacturing, its be since the open-type slide fastener when the installation that cooperates slider of zipper fastener, essential half tooth of keeping somewhere a sprocket, with enable clipping within the intermediate plate of open-type slider of zipper fastener both sides as skeleton, use and prevent to form between slider of zipper fastener and the slide fastener cloth cover situation soft easy to break, and it is difficult to make open end zipper fasten in the use, therefore, and generally speaking, the operator all can be behind guillotine step cut sprocket, the last tooth that will cut sprocket one end with nail clipper is cut into half tooth again, and this mode not only has a strong impact on the efficient of processing, and easily owing to the people concerns that for it to cause processing quality bad.Secondly, in guillotine in the past, being positioned at pressing of the guide plate of frame upper surface and inside, to give as security pad mainly be cloth cover in order to clamping slide fastener both sides, cutting and cutting the position that device cut then is two outer ends of pin on sprocket, that is outside the sprocket suture side, this one cuts mode when practical operation, the sprocket suture takes place often owing to may cause the situation that is inclined to the sprocket outside or inboard when making, and suture is cut for cutting the nose part mistake of cutting device under uncovered situation easily, because mistake joint-cutting line then may cause the sprocket generation off-line situation of whole piece slide fastener, and makes this slide fastener cancel.

The purpose of this utility model is to provide a kind of integrality of putting forward energy high workload efficient, keeping the whole piece slide fastener, avoids producing the open-type zipper sprocket step cut machine of off-line.

The utility model is achieved in that this product is made up of transmission mechanism, cutting mechanism and furling mechanism; Transmission mechanism is made of power motor, bearing block, cam and eccentric shaft, equal mat one axle of power motor, bearing block, cam and eccentric shaft is connected in series, wherein, the side is provided with a cam after axle, cam joins with a drive link down, then establish in addition with a pulley at the abutted surface of drive link top and cam, drive link extends to organism bottom and joins with one of active lever end, end in addition at active lever then is provided with plunger, plunger is provided with a platform and buffer spring, in addition, the end in aforementioned axle then is provided with an eccentric shaft; Base inner is provided with a cutoff knife rack under the cutting mechanism, cutoff knife rack cooperates a top cutter that can stretch therein, the top cutter can stretch in the inner tank of cutoff knife rack, secondly, respectively be provided with one liter of piece in the both sides of cutoff knife rack, flange just can be equipped in the draw-in groove of cutter base both sides, top within two liters of pieces bottom, the position that rises piece with restriction; Cutoff knife rack system is a Jiong word moulding, and respectively be provided with an extension in its both sides, be provided with perforation, but mat screw and be locked in lower support inside, it so on cutoff knife rack (20) edge of a knife part of cutoff knife rack, wherein among the edge of a knife centre be one can the cutter lifting of ccontaining top tank, the both sides that are positioned at tank then are provided with the point of a knife of two groups of projectioies, and two groups of points of a knife that are positioned at both sides, edge of a knife two ends are the designs that are front and back, and the distance of its front and back differs one of slide fastener tooth pitch, and the top of top cutter is the moulding of a concave arc shape; Surperficial both sides respectively are covered with a footstock on lower support, retain between two footstocks have suitably between the crack, being equipped with at the bottom of footstock and the relative position that rises piece can chimeric each other clip slot; Be provided with one in the bottom of lower support and support tool, it is sealed each other with top cutter tool rest bottom, and on the support tool and both sides rise between piece and the lower support and be equipped with back-moving spring; Support is locked and is provided with one with respect to supporting cutter on the cutter of lower support top on the cutting mechanism, and blade portion is divided into and is referred to as cone-shaped moulding relatively with the concave arc shape moulding of cutter top, top, and edge of a knife two ends respectively are a location projection; In addition, the side of supporting cutter on upper frame is provided with one group in addition and selects the tooth device, it ties up to a pedestal that is formed by the locking of two-piece type saddle and can be built in pedestal, and mat is located at the pedestal contained spring and its needle selection that can do the elasticity lifting and backstay is formed, wherein, needle selection and location leverage are located at the pole below of being located at pedestal in one, and the bottom of backstay is a planar end surface; Moreover, respectively be provided with crooked boom in the both sides of upper frame.

Below in conjunction with drawings and Examples the utility model is described in detail.

Fig. 1 is a stereo appearance figure of the present utility model.

Fig. 2 is the schematic diagram of transmission mechanism of the present utility model.

Fig. 3 is the exploded view of cutoff knife rack of the present utility model.

Fig. 4 is the plane of upper and lower support of the present utility model.

Fig. 5 is the stereo appearance figure that selects the tooth device of the present utility model.

Fig. 6 is the action diagram of the utility model.

The utility model is made up of transmission mechanism (1), cutting mechanism (2) and furling mechanism (3), drive the interoperation of the upper and lower support of cutting mechanism (2) (4), (5) by transmission mechanism (1) and the thick finished product chain of the slide fastener toothed portion of desire processing is cut segmentation, furling mechanism (3) then ties up to the chain toothed portion furls slide fastener as certain-length mechanism after cutting, and enables really the chain toothed portion of slide fastener to be given the step cut person of equal length.Transmission mechanism (1) is by power motor (6), bearing block (7), cam (8) and eccentric shaft (9) are formed, and equal mat one axle of aforementioned components is connected in series, wherein, the side is provided with a cam (8) after this axle, it can control the lift adjustment of drive link (10) the generation syllogic that is connected with below the cam (8), and be that mat one pulley (11) is so that the more smooth and easy sensitive person of the lifting of drive link (10) between drive link (10) and the cam (8), the bottom that drive link (10) extends to board is the application of an active lever (12), one of drive link (10) end is connected with in one of lever (12) to be held, the end in addition of lever (12) then is provided with can control the plunger (13) that lower support (5) cuts off system's lifting, so on this plunger (13), be provided with a platform (14) and buffer spring (15), make plunger (13) can produce the lifting variation person of elasticity; End in aforementioned axle then is the setting of an eccentric shaft (9) in addition, and it is by one group of drive link and buffer spring mechanism equally, controls the lifting person of upper frame (4) simultaneously to make this eccentric shaft (9) when turning round.

Furling mechanism is made up of tightening device (16) and power roller (17), wherein tightening device (16) is used so that the slide fastener location, two power rollers (17) then mat one motor (18) drive and in order to furl the isometric slide fastener that cuts, to carry out the device that next cuts operation, both all are the application of located by prior art.

Cutting mechanism (2) can prevent that slide fastener (19) from avoiding that off-line takes place and can reserve half required tooth person of open-type slide fastener, yet, so-called half tooth, promptly refer in the open-type slide fastener,, and prevent to take place between slider of zipper fastener and the slide fastener cloth cover situation soft easy to break for the folder that cooperates slider of zipper fastener is pulled, so the end at complete sprocket need add half tooth, folder for slide fastener both sides slider of zipper fastener is pulled, and improves aforementioned shortcoming, so being arranged in the open-type slide fastener of half tooth is indispensable person; The utility model ties up to that support (5) inside is provided with a cutoff knife rack (20) under the cutting mechanism (2), cutoff knife rack (20) cooperates a top cutter (21) that can stretch therein, and top cutter (21) can be stretched in the inner tank of cutoff knife rack (20), secondly, respectively be provided with one liter of piece (22) in the both sides of cutoff knife rack (20), two liters of pieces (22) but within the bottom flange just clip rise the position of piece (22) with restriction in the draw-in groove of top cutter (21) base both sides; Cutoff knife rack (20) is a Jiong word moulding, and respectively be provided with an extension in its both sides, be provided with perforation (23), but mat screw and be locked in lower support (5) inside, so then the edge of a knife (24) part of cutoff knife rack on cutoff knife rack (20), wherein among the edge of a knife (24) centre be one can ccontaining top cutter (21) lifting tank (25), the both sides that are positioned at tank then are provided with the point of a knife (26) of two groups of projectioies, (27), and be positioned at two groups of points of a knife (26) of the edge of a knife (24) both sides, two ends, (27) be the design that is front and back, and the distance of its front and back differs one of slide fastener tooth pitch person, it mainly is to make the institute's slide fastener that cuts (19) both sides sprockets (41) can distinctly reserve half tooth, to be convenient to the installation of slider of zipper fastener, and two groups of points of a knife (26), (27) design of front and back, then be to make slide fastener both sides sprockets (41) just be the tooth of being separated by, so that slide fastener can close by relative chain; The top of top cutter (21) then is the moulding of a concave arc shape; Because being positioned at two groups of points of a knife (26), (27) at cutoff knife rack (20) two ends is the design that is bilateral symmetry and front and back formula, therefore, can make this cutoff knife rack (20) do that 180 degree revolutions are adjusted and lock places in the lower support (5), make this cutoff knife rack (20) open that the plant direction of difference is opened on the right side and the adjustment of making interchangeability, to change the position that half tooth cuts according to a slider of zipper fastener left side.

Surperficial both sides respectively are covered with a footstock (28) on lower support (5), crack between retention has suitably between two footstocks (28), what enable to allow top cutter (21) supports link feed tooth (41) protrusion person, in the bottom of footstock (28) with the relative position that rises piece (22) be equipped with can be chimeric each other clip slot (29), when rising piece (22) rising, the suture (42) of zipper sprocket (41) both sides is just covered by clip slot (29) with order; As for, be provided with one in the bottom of lower support (5) and support tool (30), itself and top cutter (21) tool rest bottom is sealed each other, and is supporting tool (30) to go up and both sides rise between piece (22) and the lower support (5) and are equipped with back-moving spring (31), the cushioning effect of the tool that provides support (30).

Moreover, be positioned at support (4) part on cutting mechanism (2) top, it is locked and is provided with one with respect to supporting cutter (32) on lower support (5) the top cutter (21), the edge of a knife partly is the relative cone-shaped moulding that is referred to as with top cutter (21) top concave arc shape moulding, and edge of a knife two ends respectively are a location projection (33), can cooperate top cutter (21) and form the folder effect of pulling and make to cutter (32).

In addition, the last side of supporting cutter (32) of upper frame (4) is provided with one group in addition and selects tooth device (34), it ties up to one and is provided with the pull needle selection (37) that can make elastic telescopic in spring (36) in pedestal (35) inside of a spring (36) and top by the sealed pedestal that forms of two-piece type saddle (35) inside and is formed with backstay (38), wherein, needle selection (37) and backstay (38) are to be located at side under the pole (39), mat pole (39) is in pedestal (35) inside that has than the large space enough and to spare, and about can doing with the rocking action of above-below direction, yet, when this selects tooth device (34) to be installed on upper frame (4), move under the upper frame (4) and needle selection (37) is had to shake choosing to insert in the function in zipper sprocket (41) slit, and backstay (38) is because bottom system forms a planar end surface, therefore can smooth surface on lower support (5) and make needle selection (37) location; Moreover the both sides in upper frame (4) in addition respectively are provided with crooked boom (40), and can make slide fastener place cutting mechanism (2) time, can utilize this bending boom (40) that the both sides of slide fastener supports and put down, and make the sprocket of slide fastener be easier to cut.

The situation of the utility model operation, at first, the thick finished product of slide fastener placed lower support (5) both sides footstocks (28) and rise gap between the piece (22), and make the chain toothed portion place the edge of a knife (24) central portion of cutoff knife rack (20), in order to carrying out cutting of zipper sprocket (41) segmentation; Secondly, starter (6) power, pushing up pulls supports tool (30) to rise and the platform (14) that makes plunger (13) moves up, support tool (30) and then the piece (22) that rises of the removable lifting in cutoff knife rack (20) both sides is risen through spring (31), and make both sides rise piece (22) slide fastener (28) that is fixedly clamped, and the suture (42) of sprocket (41) both sides is covered by footstock (28) both sides clip slots (29); Again secondly, because the eccentric shaft (9) of transmission mechanism (1) can produce the down maneuver of supporting cutter (32) simultaneously when dynamic start, at first make the needle selection that selects tooth device (34) (37) that is positioned to cutter (32) side can probably shake selected precalculated position zipper sprocket (41) owing to the effect of spring (36), and at upper frame (4) when continuing to move down, make backstay (38) be resisted against surface on the upper frame (4), make needle selection (37) determine its position, fix the predetermined effect that cuts sprocket (41) length and reach, yet, be butted on zipper sprocket (41) and press down can and then making to cutter (32) simultaneously of moving down of upper frame (4), till the edge of a knife (24) that therefore can cause foot under the sprocket (41) to be divided into cutoff knife rack (20) cuts off, and the protrusion point of a knife (26) of the edge of a knife (24) both sides, (27) part, then can make to form half tooth fully with single sprocket (41) cut-out of its correspondence position; Afterwards, the top cutter (21) that is positioned at cutoff knife rack (20) is because of supporting the upward top that continues of tool (30), and top cutter (21) is connected to cutter (32), and this moment, go up the action of liter on cutter (32) then produces oppositely, and sprocket (41) rising that cooperates top cutter (21) folder to pull cut-out leftover bits and pieces, and then this sprocket (41) is drawn except that the purpose that reaches tooth to cloth cover place, slide fastener both sides, yet, the sprocket (41) that has broken away from cloth cover is after continuing rising one suitable distance, then the pressure-air that can blow out with the pneumatics seat (43) on design lower support (5) table top is with sprocket (41) table top that blows off, top cutter (21) in the lower support (5) and rises piece (22) then because cam (8) period effects is to support tool (30) drive generation down maneuver, and then returning back to ortho states, upper frame (4) is then also because the effect of eccentric shaft (9) and homing.

The open-type zipper sprocket step cut machine that the utility model provided, can make the open-type slide fastener when the segmentation operation, can reserve half required tooth, to make things convenient for installing and using of slider of zipper fastener, and the cut-out suture that also can prevent the guillotine cutting knife causes the situation of sprocket off-line.

Claims (3)

1, a kind of open-type zipper sprocket step cut machine, it is made up of transmission mechanism (1), cutting mechanism (2) and furling mechanism (3), and wherein, furling mechanism (3) comprises tightening device (16) and power roller (17), it is characterized in that:

A. described transmission mechanism (1) is by power motor (6), bearing block (7), cam (8) and eccentric shaft (9) constitute, power motor (6), bearing block (7), cam (8) and eccentric shaft (9) all mat one axle are connected in series, wherein, the side is provided with a cam (8) after axle, cam (8) joins with a drive link (10) down, then establish in addition with a pulley (11) at the abutted surface of drive link (10) top and cam (8), drive link (10) extends to one of organism bottom face and active lever (12) end and joins, end in addition at active lever (12) then is provided with plunger (13), plunger (13) is provided with a platform (14) and buffer spring (15), in addition, the end in aforementioned axle then is provided with an eccentric shaft (9);

B. support (5) inside is provided with a cutoff knife rack (20) under the described cutting mechanism (2), cutoff knife rack (20) cooperates a top cutter (21) that can stretch therein, top cutter (21) can stretch in the inner tank of cutoff knife rack (20), secondly, respectively be provided with one liter of piece (22) in the both sides of cutoff knife rack (20), flange just can be equipped in the draw-in groove of top cutter (21) base both sides within two liters of pieces (22) bottom, rises the position of piece (22) with restriction; Surperficial both sides respectively are covered with a footstock (28) on lower support (5), retain between two footstocks (28) have suitably between the crack, the bottom of footstock (28) and the relative position that rises piece (22) be equipped with can be chimeric each other clip slot (29); Be provided with one in the bottom of lower support (5) and support tool (30), it is sealed each other with top cutter (21) tool rest bottom, and is supporting on the tool (30) and both sides rise between piece (22) and the lower support (5) and are equipped with back-moving spring (31); Support (4) is locked and is provided with one with respect to supporting cutter (32) on lower support (5) the top cutter (21) on the cutting mechanism (2), and blade portion is divided into and is referred to as cone-shaped moulding relatively with top cutter (21) top concave arc shape moulding, and edge of a knife two ends respectively are a location projection (33); Moreover, respectively be provided with crooked boom (40) in the both sides of upper frame (4).

2, open-type zipper sprocket step cut machine according to claim 1, it is characterized in that cutoff knife rack (20) is to be a Jiong word moulding, and respectively be provided with an extension in its both sides, be provided with perforation (23), but nationality screw and be locked in lower support (5) inside, it so on cutoff knife rack (20) edge of a knife (24) part of cutoff knife rack (20), wherein among the edge of a knife (24) centre be one can ccontaining top cutter (21) lifting tank (25), the both sides that are positioned at tank (25) then are provided with the point of a knife (26) of two groups of projectioies, (27), and be positioned at two groups of points of a knife (26) of the edge of a knife (24) both sides, two ends, (27) be the design that is front and back, and the distance of its front and back differs one of slide fastener tooth pitch, and the top of top cutter (21) is the moulding of a concave arc shape.

3, open-type zipper sprocket step cut machine according to claim 1, it is characterized in that side to cutter (32) is provided with one group in addition and selects tooth device (34), it ties up to a pedestal (35) that is formed by the locking of two-piece type saddle and can be built in pedestal (35), and mat is located at pedestal (35) contained spring (36) and its needle selection that can do the elasticity lifting (37) and backstay (38) is formed, wherein, needle selection (37) and backstay (38) are to be located at pole (39) below of being located at pedestal (35) in one, and the bottom of backstay (38) is a planar end surface.

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