CN2474553Y - Down charging mechanism of vertical long type high head needle sewing machine - Google Patents

Abstract

Disclosed is a downward feeding structure of an erected and elongated high scalp acupuncture vehicle, wherein an anvil platform supporting pedestal is equipped and rotated on the low shaft, a central portion of the anvil platform supporting pedestal is fixed upwardly with an anvil platform support, an anvil platform, feeding teeth and the like, and a bottom face of the anvil platform supporting pedestal is downwardly combined with a guiding plate vertically, a sliding block slides horizontally immobilizing by a wrist of the horizontal feeding shaft in a groove of the guiding plate, the sliding block is else connected with feeding platform drove by an eccentric wheel of the low shaft and does the up-and-down movement, hereby, when feeding teeth assume the connecting condition with the aforementioned downward feeding structure via a connecting link, the anvil platform supporting pedestal and the anvil platform supporting structure assembly on the upper side can tilt facilely, in order to load or unload sewing objects conveniently and improve the operational efficiency, and can not obstruct the function of the feeding moving structure.

Description

The down charging mechanism of vertical long type high head needle sewing machine

The down charging mechanism of the relevant a kind of vertical long type high head needle sewing machine of the utility model refers to a kind ofly can make three-dimensional sewing piece easily load and unload down charging mechanism at the vertical long type high head needle sewing machine especially.

The feed mechanism of general traditional vertical long type high head needle sewing machine is please consulted shown in Figure 1ly earlier, and it be that last feed mechanism, down charging mechanism and car pin are summed up with step and sent sewing machine; Wherein: go up axle (1) and utilize axle bush (1a), (1b) to support, drive rotation by the motor (not shown), below (5) is a lower shaft, utilize axle bush (5a), (5b) to support rotation, the right-hand member of last axle (1) is equipped with timing gear (2), odontoid belt (4) by interlock during last axle (1) rotation passes to lower shaft (5) through timing gear (3), lower shaft (5) produces the level of down charging mechanism and driving force up and down with eccentric wheel (6), (16), and at the lower shaft left end one helical gear (20) is housed.Vertical pivot (22) utilizes axle bush (22a), (22b) to support rotation, and the upper end is anvil (23), and the lower end is equipped with helical gear (21) and (20) interlock mutually.

Backstitch bar (8) and be connected in the adjusting of doing the just contrary feeding of seam order on the straight feeding axle (12), one eccentric wheel (6) is arranged on the lower shaft, utilize connecting rod (7) driving block (9), slide block (9) can be done and seesaw backstitching the bar internal chute, be transferred to again on the pin feeding rod (11), the pin feeding rod is fixed on the straight feeding axle (12), the straight feeding axle has lining (12a), (12b) support, do oscillating motion, straight feeding axle left end fixedly feeding wrist (13) transmission feeding table (14) is done and is seesawed, the prong of the other end (15) is stuck on the eccentric wheel (16), but eccentric wheel when rotation again transmission feeding table (14) move up and down, after feeding wrist (13) and eccentric wheel (16) Synchronous Transmission, what feeding table (14) was presented is the elliptical orbit motion.

Connecting rod (17) bottom is hinged near the central authorities of feeding table (14), wave by feeding table support and stopper, and this connecting rod (17) central part and hinged combination of slide block (18) that in anvil support seat (not shown) groove, can move as vertical direction, the upper end is fixed with feeding tooth (19).The anvil support seat is fixed on the base plate top, is supporting needle plate (49), anvil (23) and axle bush (22a), (22b).

Last feed spool (27) is by (27b) swinging in the cross rest of axle sleeve (27a), the swing arm (30a) of locking pin column base (30d) lower end and slide block (29) are in pin column base groove, allow the pin post shaketable (30) can swing, last feed spool (27) left end and right-hand member respectively have swing arm (28), (26), connect the wrist (24) of straight feeding axle (12) right-hand member by connecting rod (25), the swing of mat straight feeding axle (12) and moving.

The driving force of feeding tooth above-below direction in eccentric wheel (36) generation, eccentric wheel (36) is connected with connecting rod (37), is supported and is swung by wrist (38).Axle (39) is supported and is swung by lining (39a), (39b), and left end combines with wrist (40), and right-hand member is being fixed wrist (38).Last feeding lifting connecting rod (42) is the L type, vertically partly be to utilize connecting rod (41) to combine with wrist (40), horizontal direction is to utilize connecting rod (43) to combine with the last feeding rod (44) of guiding stopper in the hole of pin post shaketable (30), and interior presser feet (48) is being fixed in the below of last feeding rod (44).The fulcrum of lifting connecting rod (42) is brace table (46) swinging in the cross rest that is fixed.Fixedly pressure bar (45) is supported by the inner axle sleeve of installing (45a) of headstock, (45b), and outer presser feet (47) is equipped with in the lower end.Hook together vertical (31) and be linked to the left end of axle (1), the combination in the hole of pin post shaketable (30) (30b), (30c) of pin post fixed axis (33) guiding stopper pin post (34).

Actual sewing machine also has Libra mechanism, feed regulation, feeding reversing gearbox or the like except that said mechanism, these are conventional construction, and the emphasis inquired into of non-the utility model, thereby no longer illustrates at this.

As mentioned above, when last axle (1) rotation, each mechanism driving by being connected in spool (1) is to each position; When eccentric wheel (6) rotates near the central authorities of lower shaft (5), connecting rod (7) is reciprocating motion, connecting rod (10) is oscillating motion with pin feeding rod (11), oscillating motion conversion feeding table (14) through wrist (13) is the motion of horizontal direction again, and eccentric wheel (16) can drive feeding table (14) when rotated and does above-below direction motion near lower shaft (5) left end, so feeding table (14) can be done similar elliptical motion; Feeding tooth (19) is via connecting rod (17) and slide block (18) and move with feeding table (14).

As described in above-mentioned conventional construction, down charging mechanism at perpendicular type high head needle sewing machine includes an anvil (23), drive the vertical pivot (22) of anvil, helical gear (21) and attached anvil mechanism (not shown), slide block (18) is fixed in the guide channel of anvil support.Make three-dimensionally when making thing, even if outer presser feet (47), pin (34) rising of etc.ing, needle plate (49) is still limited with their space, and the loading and unloading sewing piece is difficulty quite, and also possibility is because of being not suitable for making the car pin damage sewing piece.

Main purpose of the present utility model provides a kind of down charging mechanism that can improve the vertical long type high head needle sewing machine of above-mentioned conventional construction defective, it is when the loading and unloading sewing piece, need not remove the interlock of down charging mechanism, just can make the space between outer presser feet (47) and the needle plate (49) become big, sewing operation is easier to carry out and make.

The utility model is achieved in that wherein and upwards is fixed with an anvil support, anvil and feeding tooth in anvil support seat centre, and the feeding tooth is by connecting rod during with following feeding motion binding, and the feeding tooth can be done similar elliptic motion with feeding table; It is characterized in that: the anvil support seat is to be assembled on the rotatable lower shaft, part upwards is fixed with an anvil support in the central, and in anvil support seat bottom surface downward vertically in conjunction with a guide plate with horizontal channel, be provided with a slide block that can slide in the groove of guide plate, this slide block is combined into one by screw and feeding table; Also be provided with the horizontal actuator force that eccentric wheel is produced and be converted to the wrist mechanism that level is shaken, this wrist mechanism and first connecting rod are hinged, and the first connecting rod left side is hinged with second connecting rod, and this second connecting rod utilizes one to be fixed on the slide block right side.

Be hinged on down the left side of axle bush axle with a bootstrap block, and arrange in pairs or groups mutually to guide the direction of motion of this first connecting rod with first connecting rod, bootstrap block one side has horizontal slideway, and first connecting rod be engaged in bootstrap block one end have a chute can with aforementioned slideway fit mutually, and have a slotted hole at the center of the detent ends of first connecting rod and parallel with chute.

The utility model is the down charging mechanism of vertical long type high head needle sewing machine, be to go up after axle rotation is changed to oscillating motion, the feeding campaign that the formation level is waved and pumped, down charging mechanism combines with the anvil support seat, and the pivot point of anvil support seat is the axle center of lower shaft.When using according to above-mentioned improvement structure, the down charging mechanism of this vertical long type high head needle sewing machine needn't be removed each portion mechanism that constitutes the feeding campaign, and the anvil support seat of assembling vertical pivot etc. promptly can rotate, so that the loading and unloading scope of Sewing machines increases.

Below in conjunction with a kind of possible embodiments and conjunction with figs. structure of the present utility model and effect thereof are described:

Fig. 1 is traditional simple and easy schematic diagram of perpendicular type high head needle sewing machine feed mechanism.

Fig. 2 is the simple and easy schematic diagram of down charging mechanism of the present utility model.

Fig. 3 (A), (B) are the key diagram of anvil support seat spinning movement embodiment of the present utility model.

Fig. 4 is the flat assembly drawing of down charging mechanism of the present utility model.

Fig. 5 is the three-dimensional combination figure of down charging mechanism of the present utility model.

Fig. 6 is the three-dimensional exploded view of the horicontal motion mechanism among Fig. 5.

Please consult the embodiment of Fig. 2 to " feed mechanism of vertical long type high head needle sewing machine " of the present utility model shown in Figure 5 earlier, the dash number among the figure is identical with the conventional construction of Fig. 1 or corresponding.Upper and lower feed mechanism of the present utility model is when connection status, and anvil support seat (50) can rotate; Anvil support seat (50) is assembled on the lower shaft (5), lower shaft (5) is by axle bush (5b), (5c) support rotation, anvil support seat (50) is subjected to axle bush (50a), (50b), and part upwards is fixed with an anvil support (56) in the central, vertical pivot (22) is to be combined in anvil support (56) inside, and support rotation by axle bush (22a), and in the bottom surface downward vertically in conjunction with a guided plate (55) with horizontal channel (55a), slide block (54) slides in the groove (55a) of guide plate, the prong (15) of eccentric wheel (16) the transmission feeding table of slide block (54) other end and lower shaft (5), produce the driving force up and down of down charging mechanism, and feeding table (14) is combined with slide block (54) with screw (54a).In view of the above, feeding tooth (19) when being connection status by connecting rod (17) and following feeding motion, anvil support seat (50) and on anvil support structural assemblies such as (56) can tilt easily.Wherein wrist (13) transmits by eccentric wheel (6) and produces horizontal actuator force and be converted to horizontal head motion; The pivot that anvil support seat (50) tilts is concentric with the axle center of lower shaft (5), bootstrap block (51) is hinged on the left side of lining axle (50a), and arrange in pairs or groups mutually with first connecting rod (52), the direction of motion with guiding first connecting rod (52), and first connecting rod (52) can be by wrist (13) stopper, and be hinged with a second connecting rod (53) in first connecting rod (52) left side, this second connecting rod (53) utilizes one (54b) to be fixed on slide block (54) right side, utilizes slide block (54) to be transformed to the rectilinear motion of level with groove (55a) structure of guided plate exerting oneself of above-mentioned head motion.

Connecting rod (17) be by its bottom-hinged in the nearly centre of feeding table (14), by feeding table (14) stopper, also by in anvil support (56) but the slide block (18) that the central part vertical direction moves restriction and do oscillating motion; The upper end of connecting rod (17) is provided with feeding tooth (19), makes feeding tooth (19) do similar elliptic motion with feeding table (14).

As mentioned above, please consult Fig. 6 again, above-mentioned bootstrap block (51) one sides have horizontal slideway (57), and has a chute (58a) at the end that first connecting rod (52) is matched with bootstrap block, can with aforementioned slideway fit mutually, and have a slotted hole (58b) at the center of the detent ends of first connecting rod (52) and parallel with chute (58a), cause when wrist (13), first connecting rod (52), second connecting rod (53) and slide block (54), when guided plate (55) etc. links together, but the effect of mat bootstrap block (51) and make anvil support seat (50) when tilting and can keep the relevant position and the motor function of above-mentioned each part.

Please consult shown in Figure 5ly again, plate washer (59) is fixed on the right side of anvil support seat (50), and the middle body of plate washer (59) front end vertical direction has narrow ditch (59a) in the axle (60) that long axis direction moves; During sewing operation, the screw (61) that the narrow interior vertical direction of ditch (59a) disposes in the axle (60) can be fixing with axle (60), and anvil support (56) can not toppled over.

Please cooperate Fig. 1 again as above-mentioned structure, during last axle (1) rotation through timing gear (2), the time rule belts (4) in time advise gear (3) and be sent to lower shaft (5), and when making the eccentric wheel (6) that is fixed on lower shaft (5) and (16) rotation, the rotation of eccentric wheel (6) is converted to oscillating motion through connecting rod (7), slide block (8), connecting rod (10), is sent to wrist (13) through wrist (11), straight feeding axle (12) again; And the utility model (as shown in Figure 5) is to be sent to the first connecting rod (52) that connects stopper in the oscillating motion with wrist (13), by the cooperation of guiding block (51) on the axle bush (50a) that is attached at the same axle center of lower shaft (5) and second connecting rod (53), do horizontal movement again and directly drive slide block (54).

According to the above, see also Fig. 3 (a) expression sewing operation state, and the state of Fig. 3 (b) expression loading and unloading sewing piece, when anvil support seat (50) wherein rotates, the levelness of slide block (54) can be forced into minimum with the skew of guide plate (55), can under feeding tooth (19) and state that a series of horicontal motion mechanism is connected, anvil support seat (50) be tilted.

Again, the rotation of eccentric wheel (16) makes slide block (54) can drive the connecting rod (17) that is connected with the central portion of feeding table (14) and moves up and down, slide block (54) is done horizontal movement by the connecting rod (52) and the stopper of (53) simultaneously, cause above-mentioned connecting rod (17) to do simultaneously and reach horizontal movement up and down, and the feeding tooth (19) that is fixed on above the connecting rod also can be done similar elliptic motion as former technology.

The utility model as mentioned above, the connecting rod of following feeding motion is under the state that connects, the anvil support of feeding tooth is the displacement of direction lopsidedness under the car pin, metric space between pin and the feeding tooth is strengthened, load and unload three-dimensional sewing piece easily, can alleviate simultaneously the car pin and give the damage of sewing piece, and improve efficiency of operation.

Claims (2)

1, a kind of down charging mechanism of vertical long type high head needle sewing machine, wherein upwards be fixed with an anvil support, anvil and feeding tooth in anvil support seat centre, and the feeding tooth is by connecting rod during with the binding of following feeding motion, and the feeding tooth can be done similar elliptic motion with feeding table; It is characterized in that: the anvil support seat is to be assembled on the rotatable lower shaft, part upwards is fixed with an anvil support in the central, and in anvil support seat bottom surface downward vertically in conjunction with a guide plate with horizontal channel, be provided with a slide block that can slide in the groove of guide plate, this slide block is combined into one by screw and feeding table; Also be provided with the horizontal actuator force that eccentric wheel is produced and be converted to the wrist mechanism that level is shaken, this wrist mechanism and first connecting rod are hinged, and the first connecting rod left side is hinged with second connecting rod, and this second connecting rod utilizes one to be fixed on the slide block right side.

2, the feed mechanism of vertical long type high head needle sewing machine as claimed in claim 1, it is characterized in that: the left side that is hinged on down the axle bush axle with a bootstrap block, and arrange in pairs or groups mutually to guide the direction of motion of this first connecting rod with first connecting rod, bootstrap block one side has horizontal slideway, and first connecting rod be engaged in bootstrap block one end have a chute can with aforementioned slideway fit mutually, and have a slotted hole at the center of the detent ends of first connecting rod and parallel with chute.

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